diff options
189 files changed, 12384 insertions, 3233 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 3985f35aee06..a4ca63ba7faa 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -309,7 +309,7 @@ static struct omap2_hsmmc_info mmc[] = { .gpio_wp = 63, .deferred = true, }, -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA { .name = "wl1271", .mmc = 2, @@ -450,7 +450,7 @@ static struct regulator_init_data omap3evm_vio = { .consumer_supplies = omap3evm_vio_supply, }; -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA #define OMAP3EVM_WLAN_PMENA_GPIO (150) #define OMAP3EVM_WLAN_IRQ_GPIO (149) @@ -563,7 +563,7 @@ static struct omap_board_mux omap35x_board_mux[] __initdata = { OMAP_PIN_OFF_NONE), OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_NONE), -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA /* WLAN IRQ - GPIO 149 */ OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), @@ -601,7 +601,7 @@ static struct omap_board_mux omap36x_board_mux[] __initdata = { OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE), -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA /* WLAN IRQ - GPIO 149 */ OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), @@ -637,7 +637,7 @@ static struct gpio omap3_evm_ehci_gpios[] __initdata = { static void __init omap3_evm_wl12xx_init(void) { -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA int ret; /* WL12xx WLAN Init */ diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index ab363f34b4df..a78afa98c650 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -1613,6 +1613,10 @@ ath5k_hw_update_noise_floor(struct ath5k_hw *ah) ah->ah_cal_mask |= AR5K_CALIBRATION_NF; ee_mode = ath5k_eeprom_mode_from_channel(ah->ah_current_channel); + if (WARN_ON(ee_mode < 0)) { + ah->ah_cal_mask &= ~AR5K_CALIBRATION_NF; + return; + } /* completed NF calibration, test threshold */ nf = ath5k_hw_read_measured_noise_floor(ah); diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index 4084b1076286..e2d8b2cf19eb 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -985,6 +985,8 @@ ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah, return; ee_mode = ath5k_eeprom_mode_from_channel(channel); + if (WARN_ON(ee_mode < 0)) + return; /* Adjust power delta for channel 14 */ if (channel->center_freq == 2484) diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 4225cca0f198..752ffc4f4166 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -427,6 +427,30 @@ static bool ath6kl_is_tx_pending(struct ath6kl *ar) return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; } +static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, + bool enable) +{ + int err; + + if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) + return; + + if (vif->nw_type != INFRA_NETWORK) + return; + + if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, + vif->ar->fw_capabilities)) + return; + + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", + enable ? "enable" : "disable"); + + err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, + vif->fw_vif_idx, enable); + if (err) + ath6kl_err("failed to %s enhanced bmiss detection: %d\n", + enable ? "enable" : "disable", err); +} static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) @@ -616,13 +640,13 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, vif->req_bssid, vif->ch_hint, ar->connect_ctrl_flags, nw_subtype); - /* disable background scan if period is 0 */ - if (sme->bg_scan_period == 0) + if (sme->bg_scan_period == 0) { + /* disable background scan if period is 0 */ sme->bg_scan_period = 0xffff; - - /* configure default value if not specified */ - if (sme->bg_scan_period == -1) + } else if (sme->bg_scan_period == -1) { + /* configure default value if not specified */ sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; + } ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); @@ -767,7 +791,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", nw_type & ADHOC_CREATOR ? "creator" : "joiner"); cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(ar->wiphy, bss); return; } @@ -778,7 +802,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, assoc_req_ie, assoc_req_len, assoc_resp_ie, assoc_resp_len, WLAN_STATUS_SUCCESS, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(ar->wiphy, bss); } else if (vif->sme_state == SME_CONNECTED) { /* inform roam event to cfg80211 */ cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, @@ -1454,10 +1478,10 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, return -EIO; if (pmgmt) { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); mode.pwr_mode = REC_POWER; } else { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); mode.pwr_mode = MAX_PERF_POWER; } @@ -1509,7 +1533,7 @@ static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, list_del(&vif->list); spin_unlock_bh(&ar->list_lock); - ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); + ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); ath6kl_cfg80211_vif_cleanup(vif); @@ -1559,17 +1583,13 @@ static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, set_iface_type: switch (type) { case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: vif->next_mode = INFRA_NETWORK; break; case NL80211_IFTYPE_ADHOC: vif->next_mode = ADHOC_NETWORK; break; case NL80211_IFTYPE_AP: - vif->next_mode = AP_NETWORK; - break; - case NL80211_IFTYPE_P2P_CLIENT: - vif->next_mode = INFRA_NETWORK; - break; case NL80211_IFTYPE_P2P_GO: vif->next_mode = AP_NETWORK; break; @@ -1778,14 +1798,14 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, if (vif->target_stats.rx_byte) { sinfo->rx_bytes = vif->target_stats.rx_byte; - sinfo->filled |= STATION_INFO_RX_BYTES; + sinfo->filled |= STATION_INFO_RX_BYTES64; sinfo->rx_packets = vif->target_stats.rx_pkt; sinfo->filled |= STATION_INFO_RX_PACKETS; } if (vif->target_stats.tx_byte) { sinfo->tx_bytes = vif->target_stats.tx_byte; - sinfo->filled |= STATION_INFO_TX_BYTES; + sinfo->filled |= STATION_INFO_TX_BYTES64; sinfo->tx_packets = vif->target_stats.tx_pkt; sinfo->filled |= STATION_INFO_TX_PACKETS; } @@ -2673,30 +2693,6 @@ static int ath6kl_set_ies(struct ath6kl_vif *vif, return 0; } -void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) -{ - int err; - - if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) - return; - - if (vif->nw_type != INFRA_NETWORK) - return; - - if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, - vif->ar->fw_capabilities)) - return; - - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", - enable ? "enable" : "disable"); - - err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, - vif->fw_vif_idx, enable); - if (err) - ath6kl_err("failed to %s enhanced bmiss detection: %d\n", - enable ? "enable" : "disable", err); -} - static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, u8 *rsn_capab) { @@ -2776,9 +2772,11 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, ar->ap_mode_bkey.valid = false; - /* TODO: - * info->interval - */ + ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, + info->beacon_interval); + + if (ret) + ath6kl_warn("Failed to set beacon interval: %d\n", ret); ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, info->dtim_period); @@ -3557,6 +3555,37 @@ static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) return 0; } +void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) +{ + static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + bool discon_issued; + + netif_stop_queue(vif->ndev); + + clear_bit(WLAN_ENABLED, &vif->flags); + + if (wmi_ready) { + discon_issued = test_bit(CONNECTED, &vif->flags) || + test_bit(CONNECT_PEND, &vif->flags); + ath6kl_disconnect(vif); + del_timer(&vif->disconnect_timer); + + if (discon_issued) + ath6kl_disconnect_event(vif, DISCONNECT_CMD, + (vif->nw_type & AP_NETWORK) ? + bcast_mac : vif->bssid, + 0, NULL, 0); + } + + if (vif->scan_req) { + cfg80211_scan_done(vif->scan_req, true); + vif->scan_req = NULL; + } + + /* need to clean up enhanced bmiss detection fw state */ + ath6kl_cfg80211_sta_bmiss_enhance(vif, false); +} + void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) { struct ath6kl *ar = vif->ar; diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.h b/drivers/net/wireless/ath/ath6kl/cfg80211.h index e5e70f3a8ca8..b59becd91aea 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.h +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.h @@ -61,7 +61,5 @@ void ath6kl_cfg80211_cleanup(struct ath6kl *ar); struct ath6kl *ath6kl_cfg80211_create(void); void ath6kl_cfg80211_destroy(struct ath6kl *ar); -/* TODO: remove this once ath6kl_vif_cleanup() is moved to cfg80211.c */ -void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable); #endif /* ATH6KL_CFG80211_H */ diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index 189d8faf8c87..61b2f98b4e77 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -940,7 +940,7 @@ void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, bool wait_fot_compltn, bool cold_reset); void ath6kl_init_control_info(struct ath6kl_vif *vif); struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar); -void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready); +void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready); int ath6kl_init_hw_start(struct ath6kl *ar); int ath6kl_init_hw_stop(struct ath6kl *ar); int ath6kl_init_fetch_firmwares(struct ath6kl *ar); diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c index ba6bd497b787..281390178e3d 100644 --- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c +++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c @@ -509,9 +509,7 @@ static void destroy_htc_txctrl_packet(struct htc_packet *packet) { struct sk_buff *skb; skb = packet->skb; - if (skb != NULL) - dev_kfree_skb(skb); - + dev_kfree_skb(skb); kfree(packet); } @@ -969,6 +967,22 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u16 payload_len; int status = 0; + /* + * ar->htc_target can be NULL due to a race condition that can occur + * during driver initialization(we do 'ath6kl_hif_power_on' before + * initializing 'ar->htc_target' via 'ath6kl_htc_create'). + * 'ath6kl_hif_power_on' assigns 'ath6kl_recv_complete' as + * usb_complete_t/callback function for 'usb_fill_bulk_urb'. + * Thus the possibility of ar->htc_target being NULL + * via ath6kl_recv_complete -> ath6kl_usb_io_comp_work. + */ + if (WARN_ON_ONCE(!target)) { + ath6kl_err("Target not yet initialized\n"); + status = -EINVAL; + goto free_skb; + } + + netdata = skb->data; netlen = skb->len; @@ -1054,6 +1068,7 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb, dev_kfree_skb(skb); skb = NULL; + goto free_skb; } @@ -1089,8 +1104,7 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb, skb = NULL; free_skb: - if (skb != NULL) - dev_kfree_skb(skb); + dev_kfree_skb(skb); return status; @@ -1184,7 +1198,7 @@ static void reset_endpoint_states(struct htc_target *target) INIT_LIST_HEAD(&ep->pipe.tx_lookup_queue); INIT_LIST_HEAD(&ep->rx_bufq); ep->target = target; - ep->pipe.tx_credit_flow_enabled = (bool) 1; /* FIXME */ + ep->pipe.tx_credit_flow_enabled = true; } } diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index f21fa322e5ca..5d434cf88f35 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -1715,38 +1715,6 @@ void ath6kl_init_hw_restart(struct ath6kl *ar) } } -/* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */ -void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready) -{ - static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - bool discon_issued; - - netif_stop_queue(vif->ndev); - - clear_bit(WLAN_ENABLED, &vif->flags); - - if (wmi_ready) { - discon_issued = test_bit(CONNECTED, &vif->flags) || - test_bit(CONNECT_PEND, &vif->flags); - ath6kl_disconnect(vif); - del_timer(&vif->disconnect_timer); - - if (discon_issued) - ath6kl_disconnect_event(vif, DISCONNECT_CMD, - (vif->nw_type & AP_NETWORK) ? - bcast_mac : vif->bssid, - 0, NULL, 0); - } - - if (vif->scan_req) { - cfg80211_scan_done(vif->scan_req, true); - vif->scan_req = NULL; - } - - /* need to clean up enhanced bmiss detection fw state */ - ath6kl_cfg80211_sta_bmiss_enhance(vif, false); -} - void ath6kl_stop_txrx(struct ath6kl *ar) { struct ath6kl_vif *vif, *tmp_vif; @@ -1766,7 +1734,7 @@ void ath6kl_stop_txrx(struct ath6kl *ar) list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) { list_del(&vif->list); spin_unlock_bh(&ar->list_lock); - ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); + ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); rtnl_lock(); ath6kl_cfg80211_vif_cleanup(vif); rtnl_unlock(); @@ -1801,8 +1769,6 @@ void ath6kl_stop_txrx(struct ath6kl *ar) "attempting to reset target on instance destroy\n"); ath6kl_reset_device(ar, ar->target_type, true, true); - clear_bit(WLAN_ENABLED, &ar->flag); - up(&ar->sem); } EXPORT_SYMBOL(ath6kl_stop_txrx); diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c index 62bcc0d5bc23..5fcd342762de 100644 --- a/drivers/net/wireless/ath/ath6kl/usb.c +++ b/drivers/net/wireless/ath/ath6kl/usb.c @@ -159,10 +159,8 @@ static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe, static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context) { - if (urb_context->skb != NULL) { - dev_kfree_skb(urb_context->skb); - urb_context->skb = NULL; - } + dev_kfree_skb(urb_context->skb); + urb_context->skb = NULL; ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); } diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c index 998f8b0f62fd..d76b5bd81a0d 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.c +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -751,6 +751,23 @@ int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid) NO_SYNC_WMIFLAG); } +int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx, + u32 beacon_intvl) +{ + struct sk_buff *skb; + struct set_beacon_int_cmd *cmd; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + cmd = (struct set_beacon_int_cmd *) skb->data; + + cmd->beacon_intvl = cpu_to_le32(beacon_intvl); + return ath6kl_wmi_cmd_send(wmi, if_idx, skb, + WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG); +} + int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period) { struct sk_buff *skb; @@ -1108,7 +1125,7 @@ static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len, kfree(mgmt); if (bss == NULL) return -ENOMEM; - cfg80211_put_bss(bss); + cfg80211_put_bss(ar->wiphy, bss); /* * Firmware doesn't return any event when scheduled scan has @@ -2480,16 +2497,11 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx) free_cmd_skb: /* free up any resources left over (possibly due to an error) */ - if (skb) - dev_kfree_skb(skb); + dev_kfree_skb(skb); free_data_skb: - for (index = 0; index < num_pri_streams; index++) { - if (data_sync_bufs[index].skb != NULL) { - dev_kfree_skb((struct sk_buff *)data_sync_bufs[index]. - skb); - } - } + for (index = 0; index < num_pri_streams; index++) + dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb); return ret; } diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h index 98b1755e67f4..b5f226503baf 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.h +++ b/drivers/net/wireless/ath/ath6kl/wmi.h @@ -1660,6 +1660,10 @@ struct roam_ctrl_cmd { u8 roam_ctrl; } __packed; +struct set_beacon_int_cmd { + __le32 beacon_intvl; +} __packed; + struct set_dtim_cmd { __le32 dtim_period; } __packed; @@ -2649,6 +2653,8 @@ int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx, int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi); int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi); int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period); +int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx, + u32 beacon_interval); int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid); int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode); int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on); diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 97c90b21e1cb..a56b2416e2f9 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -389,6 +389,7 @@ struct ath_beacon_config { u16 bmiss_timeout; u8 dtim_count; bool enable_beacon; + bool ibss_creator; }; struct ath_beacon { diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index dd3771954bd7..5f05c26d1ec4 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -407,12 +407,17 @@ void ath9k_beacon_tasklet(unsigned long data) } } -static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt, u32 intval) +/* + * Both nexttbtt and intval have to be in usecs. + */ +static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt, + u32 intval, bool reset_tsf) { struct ath_hw *ah = sc->sc_ah; ath9k_hw_disable_interrupts(ah); - ath9k_hw_reset_tsf(ah); + if (reset_tsf) + ath9k_hw_reset_tsf(ah); ath9k_beaconq_config(sc); ath9k_hw_beaconinit(ah, nexttbtt, intval); sc->beacon.bmisscnt = 0; @@ -442,10 +447,12 @@ static void ath9k_beacon_config_ap(struct ath_softc *sc, else ah->imask &= ~ATH9K_INT_SWBA; - ath_dbg(common, BEACON, "AP nexttbtt: %u intval: %u conf_intval: %u\n", + ath_dbg(common, BEACON, + "AP (%s) nexttbtt: %u intval: %u conf_intval: %u\n", + (conf->enable_beacon) ? "Enable" : "Disable", nexttbtt, intval, conf->beacon_interval); - ath9k_beacon_init(sc, nexttbtt, intval); + ath9k_beacon_init(sc, nexttbtt, intval, true); } /* @@ -586,17 +593,45 @@ static void ath9k_beacon_config_adhoc(struct ath_softc *sc, ath9k_reset_beacon_status(sc); intval = TU_TO_USEC(conf->beacon_interval); - nexttbtt = intval; + + if (conf->ibss_creator) { + nexttbtt = intval; + } else { + u32 tbtt, offset, tsftu; + u64 tsf; + + /* + * Pull nexttbtt forward to reflect the current + * sync'd TSF. + */ + tsf = ath9k_hw_gettsf64(ah); + tsftu = TSF_TO_TU(tsf >> 32, tsf) + FUDGE; + offset = tsftu % conf->beacon_interval; + tbtt = tsftu - offset; + if (offset) + tbtt += conf->beacon_interval; + + nexttbtt = TU_TO_USEC(tbtt); + } if (conf->enable_beacon) ah->imask |= ATH9K_INT_SWBA; else ah->imask &= ~ATH9K_INT_SWBA; - ath_dbg(common, BEACON, "IBSS nexttbtt: %u intval: %u conf_intval: %u\n", + ath_dbg(common, BEACON, + "IBSS (%s) nexttbtt: %u intval: %u conf_intval: %u\n", + (conf->enable_beacon) ? "Enable" : "Disable", nexttbtt, intval, conf->beacon_interval); - ath9k_beacon_init(sc, nexttbtt, intval); + ath9k_beacon_init(sc, nexttbtt, intval, conf->ibss_creator); + + /* + * Set the global 'beacon has been configured' flag for the + * joiner case in IBSS mode. + */ + if (!conf->ibss_creator && conf->enable_beacon) + set_bit(SC_OP_BEACONS, &sc->sc_flags); } bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif) @@ -639,6 +674,7 @@ static void ath9k_cache_beacon_config(struct ath_softc *sc, cur_conf->dtim_period = bss_conf->dtim_period; cur_conf->listen_interval = 1; cur_conf->dtim_count = 1; + cur_conf->ibss_creator = bss_conf->ibss_creator; cur_conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval; @@ -666,34 +702,59 @@ void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, { struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf; + unsigned long flags; + bool skip_beacon = false; if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) { ath9k_cache_beacon_config(sc, bss_conf); ath9k_set_beacon(sc); set_bit(SC_OP_BEACONS, &sc->sc_flags); - } else { - /* - * Take care of multiple interfaces when - * enabling/disabling SWBA. - */ - if (changed & BSS_CHANGED_BEACON_ENABLED) { - if (!bss_conf->enable_beacon && - (sc->nbcnvifs <= 1)) { - cur_conf->enable_beacon = false; - } else if (bss_conf->enable_beacon) { - cur_conf->enable_beacon = true; - ath9k_cache_beacon_config(sc, bss_conf); - } + return; + + } + + /* + * Take care of multiple interfaces when + * enabling/disabling SWBA. + */ + if (changed & BSS_CHANGED_BEACON_ENABLED) { + if (!bss_conf->enable_beacon && + (sc->nbcnvifs <= 1)) { + cur_conf->enable_beacon = false; + } else if (bss_conf->enable_beacon) { + cur_conf->enable_beacon = true; + ath9k_cache_beacon_config(sc, bss_conf); } + } - if (cur_conf->beacon_interval) { + /* + * Configure the HW beacon registers only when we have a valid + * beacon interval. + */ + if (cur_conf->beacon_interval) { + /* + * If we are joining an existing IBSS network, start beaconing + * only after a TSF-sync has taken place. Ensure that this + * happens by setting the appropriate flags. + */ + if ((changed & BSS_CHANGED_IBSS) && !bss_conf->ibss_creator && + bss_conf->enable_beacon) { + spin_lock_irqsave(&sc->sc_pm_lock, flags); + sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON; + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); + skip_beacon = true; + } else { ath9k_set_beacon(sc); - - if (cur_conf->enable_beacon) - set_bit(SC_OP_BEACONS, &sc->sc_flags); - else - clear_bit(SC_OP_BEACONS, &sc->sc_flags); } + + /* + * Do not set the SC_OP_BEACONS flag for IBSS joiner mode + * here, it is done in ath9k_beacon_config_adhoc(). + */ + if (cur_conf->enable_beacon && !skip_beacon) + set_bit(SC_OP_BEACONS, &sc->sc_flags); + else + clear_bit(SC_OP_BEACONS, &sc->sc_flags); } } diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 5432f1247e2e..6e66f9c6782b 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -320,28 +320,25 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, struct ieee80211_vif *vif) { struct ath_node *an; - u8 density; an = (struct ath_node *)sta->drv_priv; an->sc = sc; an->sta = sta; an->vif = vif; - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { - ath_tx_node_init(sc, an); + ath_tx_node_init(sc, an); + + if (sta->ht_cap.ht_supported) { an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + sta->ht_cap.ampdu_factor); - density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density); - an->mpdudensity = density; + an->mpdudensity = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density); } } static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) { struct ath_node *an = (struct ath_node *)sta->drv_priv; - - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) - ath_tx_node_cleanup(sc, an); + ath_tx_node_cleanup(sc, an); } void ath9k_tasklet(unsigned long data) diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index faa752b95d5a..96ac433ba7f6 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1204,7 +1204,7 @@ static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta) caps |= WLAN_RC_TS_FLAG | WLAN_RC_DS_FLAG; else if (sta->ht_cap.mcs.rx_mask[1]) caps |= WLAN_RC_DS_FLAG; - if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { + if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { caps |= WLAN_RC_40_FLAG; if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) caps |= WLAN_RC_SGI_FLAG; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 2d0fd17a1917..ee156e543147 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -533,7 +533,7 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb) if (sc->ps_flags & PS_BEACON_SYNC) { sc->ps_flags &= ~PS_BEACON_SYNC; ath_dbg(common, PS, - "Reconfigure Beacon timers based on timestamp from the AP\n"); + "Reconfigure beacon timers based on synchronized timestamp\n"); ath9k_set_beacon(sc); } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index feacaafee959..89a64411b82e 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1233,7 +1233,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, * in HT IBSS when a beacon with HT-info is received after the station * has already been added. */ - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { + if (sta->ht_cap.ht_supported) { an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + sta->ht_cap.ampdu_factor); density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density); @@ -1904,8 +1904,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb, struct ath_buf *bf; u8 tidno; - if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && txctl->an && - ieee80211_is_data_qos(hdr->frame_control)) { + if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) { tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; tid = ATH_AN_2_TID(txctl->an, tidno); diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index ef82751722e0..f293b3ff4756 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -1853,7 +1853,7 @@ void *carl9170_alloc(size_t priv_size) IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | - IEEE80211_HW_NEED_DTIM_PERIOD | + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SIGNAL_DBM; if (!modparam_noht) { diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 002851fceb2f..9ecc1968262c 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -341,7 +341,7 @@ static int wil_cfg80211_connect(struct wiphy *wiphy, } out: - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); return rc; } diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index c8aca3d50089..0bb3b76b4b58 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -338,7 +338,7 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len) if (bss) { wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid); - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); } else { wil_err(wil, "cfg80211_inform_bss() failed\n"); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile index 1a6661a9f008..756e19fc2795 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile +++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile @@ -26,6 +26,7 @@ brcmfmac-objs += \ wl_cfg80211.o \ fwil.o \ fweh.o \ + p2p.o \ dhd_cdc.o \ dhd_common.o \ dhd_linux.o @@ -37,4 +38,4 @@ brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \ brcmfmac-$(CONFIG_BRCMFMAC_USB) += \ usb.o brcmfmac-$(CONFIG_BRCMDBG) += \ - dhd_dbg.o
\ No newline at end of file + dhd_dbg.o diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index a2f32fb990fa..ef6f23be6d32 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -72,6 +72,7 @@ #define BRCMF_C_SET_WSEC 134 #define BRCMF_C_GET_PHY_NOISE 135 #define BRCMF_C_GET_BSS_INFO 136 +#define BRCMF_C_SET_SCB_TIMEOUT 158 #define BRCMF_C_GET_PHYLIST 180 #define BRCMF_C_SET_SCAN_CHANNEL_TIME 185 #define BRCMF_C_SET_SCAN_UNASSOC_TIME 187 @@ -149,6 +150,7 @@ #define BRCMF_E_REASON_MINTXRATE 9 #define BRCMF_E_REASON_TXFAIL 10 +#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4 #define BRCMF_E_REASON_FAST_ROAM_FAILED 5 #define BRCMF_E_REASON_DIRECTED_ROAM 6 #define BRCMF_E_REASON_TSPEC_REJECTED 7 @@ -375,6 +377,28 @@ struct brcmf_join_params { struct brcmf_assoc_params_le params_le; }; +/* scan params for extended join */ +struct brcmf_join_scan_params_le { + u8 scan_type; /* 0 use default, active or passive scan */ + __le32 nprobes; /* -1 use default, nr of probes per channel */ + __le32 active_time; /* -1 use default, dwell time per channel for + * active scanning + */ + __le32 passive_time; /* -1 use default, dwell time per channel + * for passive scanning + */ + __le32 home_time; /* -1 use default, dwell time for the home + * channel between channel scans + */ +}; + +/* extended join params */ +struct brcmf_ext_join_params_le { + struct brcmf_ssid_le ssid_le; /* {0, ""}: wildcard scan */ + struct brcmf_join_scan_params_le scan_le; + struct brcmf_assoc_params_le assoc_le; +}; + struct brcmf_wsec_key { u32 index; /* key index */ u32 len; /* key length */ @@ -451,6 +475,19 @@ struct brcmf_sta_info_le { __le32 rx_decrypt_failures; /* # of packet decrypted failed */ }; +/* + * WLC_E_PROBRESP_MSG + * WLC_E_P2P_PROBREQ_MSG + * WLC_E_ACTION_FRAME_RX + */ +struct brcmf_rx_mgmt_data { + __be16 version; + __be16 chanspec; + __be32 rssi; + __be32 mactime; + __be32 rate; +}; + /* Bus independent dongle command */ struct brcmf_dcmd { uint cmd; /* common dongle cmd definition */ @@ -489,9 +526,6 @@ struct brcmf_pub { struct mutex proto_block; unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; - atomic_t pend_8021x_cnt; - wait_queue_head_t pend_8021x_wait; - struct brcmf_fweh_info fweh; #ifdef DEBUG struct dentry *dbgfs_dir; @@ -515,9 +549,11 @@ struct brcmf_cfg80211_vif; * @vif: points to cfg80211 specific interface information. * @ndev: associated network device. * @stats: interface specific network statistics. - * @idx: interface index in device firmware. + * @ifidx: interface index in device firmware. * @bssidx: index of bss associated with this interface. * @mac_addr: assigned mac address. + * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. + * @pend_8021x_wait: used for signalling change in count. */ struct brcmf_if { struct brcmf_pub *drvr; @@ -526,9 +562,11 @@ struct brcmf_if { struct net_device_stats stats; struct work_struct setmacaddr_work; struct work_struct multicast_work; - int idx; + int ifidx; s32 bssidx; u8 mac_addr[ETH_ALEN]; + atomic_t pend_8021x_cnt; + wait_queue_head_t pend_8021x_wait; }; @@ -547,9 +585,10 @@ extern int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, extern int brcmf_proto_hdrpull(struct brcmf_pub *drvr, u8 *ifidx, struct sk_buff *rxp); -extern int brcmf_net_attach(struct brcmf_if *ifp); -extern struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, - s32 bssidx, char *name, u8 *mac_addr); -extern void brcmf_del_if(struct brcmf_pub *drvr, int ifidx); +extern int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); +extern struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, + s32 ifidx, char *name, u8 *mac_addr); +extern void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx); +extern u32 brcmf_get_chip_info(struct brcmf_if *ifp); #endif /* _BRCMF_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h index 64c38f4226a3..ad25c3408b59 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h @@ -24,18 +24,6 @@ enum brcmf_bus_state { BRCMF_BUS_DATA /* Ready for frame transfers */ }; -struct dngl_stats { - unsigned long rx_packets; /* total packets received */ - unsigned long tx_packets; /* total packets transmitted */ - unsigned long rx_bytes; /* total bytes received */ - unsigned long tx_bytes; /* total bytes transmitted */ - unsigned long rx_errors; /* bad packets received */ - unsigned long tx_errors; /* packet transmit problems */ - unsigned long rx_dropped; /* packets dropped by dongle */ - unsigned long tx_dropped; /* packets dropped by dongle */ - unsigned long multicast; /* multicast packets received */ -}; - struct brcmf_bus_dcmd { char *name; char *param; @@ -72,11 +60,12 @@ struct brcmf_bus_ops { * @drvr: public driver information. * @state: operational state of the bus interface. * @maxctl: maximum size for rxctl request message. - * @drvr_up: indicates driver up/down status. * @tx_realloc: number of tx packets realloced for headroom. * @dstats: dongle-based statistical data. * @align: alignment requirement for the bus. * @dcmd_list: bus/device specific dongle initialization commands. + * @chip: device identifier of the dongle chip. + * @chiprev: revision of the dongle chip. */ struct brcmf_bus { union { @@ -87,10 +76,10 @@ struct brcmf_bus { struct brcmf_pub *drvr; enum brcmf_bus_state state; uint maxctl; - bool drvr_up; unsigned long tx_realloc; - struct dngl_stats dstats; u8 align; + u32 chip; + u32 chiprev; struct list_head dcmd_list; struct brcmf_bus_ops *ops; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c index bb454cdab29d..a2354d951dd7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c @@ -303,6 +303,14 @@ int brcmf_proto_hdrpull(struct brcmf_pub *drvr, u8 *ifidx, brcmf_err("rx data ifnum out of range (%d)\n", *ifidx); return -EBADE; } + /* The ifidx is the idx to map to matching netdev/ifp. When receiving + * events this is easy because it contains the bssidx which maps + * 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd. + * bssidx 1 is used for p2p0 and no data can be received or + * transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0 + */ + if (*ifidx) + (*ifidx)++; if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) != BDC_PROTO_VER) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 14b8fdde6954..c06cea88df0d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -26,6 +26,8 @@ #include "dhd_bus.h" #include "dhd_proto.h" #include "dhd_dbg.h" +#include "fwil_types.h" +#include "p2p.h" #include "wl_cfg80211.h" #include "fwil.h" @@ -40,6 +42,12 @@ MODULE_LICENSE("Dual BSD/GPL"); int brcmf_msg_level; module_param(brcmf_msg_level, int, 0); +/* P2P0 enable */ +static int brcmf_p2p_enable; +#ifdef CONFIG_BRCMDBG +module_param_named(p2pon, brcmf_p2p_enable, int, 0); +MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); +#endif char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) { @@ -70,9 +78,10 @@ static void _brcmf_set_multicast_list(struct work_struct *work) u32 buflen; s32 err; - brcmf_dbg(TRACE, "enter\n"); - ifp = container_of(work, struct brcmf_if, multicast_work); + + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); + ndev = ifp->ndev; /* Determine initial value of allmulti flag */ @@ -129,9 +138,10 @@ _brcmf_set_mac_address(struct work_struct *work) struct brcmf_if *ifp; s32 err; - brcmf_dbg(TRACE, "enter\n"); - ifp = container_of(work, struct brcmf_if, setmacaddr_work); + + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); + err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, ETH_ALEN); if (err < 0) { @@ -168,7 +178,7 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, struct brcmf_pub *drvr = ifp->drvr; struct ethhdr *eh; - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); /* Can the device send data? */ if (drvr->bus_if->state != BRCMF_BUS_DATA) { @@ -179,8 +189,8 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, goto done; } - if (!drvr->iflist[ifp->idx]) { - brcmf_err("bad ifidx %d\n", ifp->idx); + if (!drvr->iflist[ifp->bssidx]) { + brcmf_err("bad ifidx %d\n", ifp->bssidx); netif_stop_queue(ndev); dev_kfree_skb(skb); ret = -ENODEV; @@ -192,14 +202,14 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, struct sk_buff *skb2; brcmf_dbg(INFO, "%s: insufficient headroom\n", - brcmf_ifname(drvr, ifp->idx)); + brcmf_ifname(drvr, ifp->bssidx)); drvr->bus_if->tx_realloc++; skb2 = skb_realloc_headroom(skb, drvr->hdrlen); dev_kfree_skb(skb); skb = skb2; if (skb == NULL) { brcmf_err("%s: skb_realloc_headroom failed\n", - brcmf_ifname(drvr, ifp->idx)); + brcmf_ifname(drvr, ifp->bssidx)); ret = -ENOMEM; goto done; } @@ -217,19 +227,21 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, if (is_multicast_ether_addr(eh->h_dest)) drvr->tx_multicast++; if (ntohs(eh->h_proto) == ETH_P_PAE) - atomic_inc(&drvr->pend_8021x_cnt); + atomic_inc(&ifp->pend_8021x_cnt); /* If the protocol uses a data header, apply it */ - brcmf_proto_hdrpush(drvr, ifp->idx, skb); + brcmf_proto_hdrpush(drvr, ifp->ifidx, skb); /* Use bus module to send data frame */ ret = brcmf_bus_txdata(drvr->bus_if, skb); done: - if (ret) - drvr->bus_if->dstats.tx_dropped++; - else - drvr->bus_if->dstats.tx_packets++; + if (ret) { + ifp->stats.tx_dropped++; + } else { + ifp->stats.tx_packets++; + ifp->stats.tx_bytes += skb->len; + } /* Return ok: we always eat the packet */ return NETDEV_TX_OK; @@ -270,12 +282,13 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) skb_queue_walk_safe(skb_list, skb, pnext) { skb_unlink(skb, skb_list); - /* process and remove protocol-specific header - */ + /* process and remove protocol-specific header */ ret = brcmf_proto_hdrpull(drvr, &ifidx, skb); - if (ret < 0) { - if (ret != -ENODATA) - bus_if->dstats.rx_errors++; + ifp = drvr->iflist[ifidx]; + + if (ret || !ifp || !ifp->ndev) { + if ((ret != -ENODATA) && ifp) + ifp->stats.rx_errors++; brcmu_pkt_buf_free_skb(skb); continue; } @@ -295,21 +308,11 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) eth = skb->data; len = skb->len; - ifp = drvr->iflist[ifidx]; - if (ifp == NULL) - ifp = drvr->iflist[0]; - - if (!ifp || !ifp->ndev || - ifp->ndev->reg_state != NETREG_REGISTERED) { - brcmu_pkt_buf_free_skb(skb); - continue; - } - skb->dev = ifp->ndev; skb->protocol = eth_type_trans(skb, skb->dev); if (skb->pkt_type == PACKET_MULTICAST) - bus_if->dstats.multicast++; + ifp->stats.multicast++; skb->data = eth; skb->len = len; @@ -325,8 +328,13 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) ifp->ndev->last_rx = jiffies; } - bus_if->dstats.rx_bytes += skb->len; - bus_if->dstats.rx_packets++; /* Local count */ + if (!(ifp->ndev->flags & IFF_UP)) { + brcmu_pkt_buf_free_skb(skb); + continue; + } + + ifp->stats.rx_bytes += skb->len; + ifp->stats.rx_packets++; if (in_interrupt()) netif_rx(skb); @@ -348,36 +356,31 @@ void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) u16 type; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; + struct brcmf_if *ifp; brcmf_proto_hdrpull(drvr, &ifidx, txp); + ifp = drvr->iflist[ifidx]; + if (!ifp) + return; + eh = (struct ethhdr *)(txp->data); type = ntohs(eh->h_proto); if (type == ETH_P_PAE) { - atomic_dec(&drvr->pend_8021x_cnt); - if (waitqueue_active(&drvr->pend_8021x_wait)) - wake_up(&drvr->pend_8021x_wait); + atomic_dec(&ifp->pend_8021x_cnt); + if (waitqueue_active(&ifp->pend_8021x_wait)) + wake_up(&ifp->pend_8021x_wait); } + if (!success) + ifp->stats.tx_errors++; } static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_bus *bus_if = ifp->drvr->bus_if; - - brcmf_dbg(TRACE, "Enter\n"); - /* Copy dongle stats to net device stats */ - ifp->stats.rx_packets = bus_if->dstats.rx_packets; - ifp->stats.tx_packets = bus_if->dstats.tx_packets; - ifp->stats.rx_bytes = bus_if->dstats.rx_bytes; - ifp->stats.tx_bytes = bus_if->dstats.tx_bytes; - ifp->stats.rx_errors = bus_if->dstats.rx_errors; - ifp->stats.tx_errors = bus_if->dstats.tx_errors; - ifp->stats.rx_dropped = bus_if->dstats.rx_dropped; - ifp->stats.tx_dropped = bus_if->dstats.tx_dropped; - ifp->stats.multicast = bus_if->dstats.multicast; + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); return &ifp->stats; } @@ -431,7 +434,7 @@ static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr) u32 toe_cmpnt, csum_dir; int ret; - brcmf_dbg(TRACE, "Enter\n"); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); /* all ethtool calls start with a cmd word */ if (copy_from_user(&cmd, uaddr, sizeof(u32))) @@ -454,13 +457,7 @@ static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr) sprintf(info.driver, "dhd"); strcpy(info.version, BRCMF_VERSION_STR); } - - /* otherwise, require dongle to be up */ - else if (!drvr->bus_if->drvr_up) { - brcmf_err("dongle is not up\n"); - return -ENODEV; - } - /* finally, report dongle driver type */ + /* report dongle driver type */ else sprintf(info.driver, "wl"); @@ -534,9 +531,9 @@ static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr, struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_pub *drvr = ifp->drvr; - brcmf_dbg(TRACE, "ifidx %d, cmd 0x%04x\n", ifp->idx, cmd); + brcmf_dbg(TRACE, "Enter, idx=%d, cmd=0x%04x\n", ifp->bssidx, cmd); - if (!drvr->iflist[ifp->idx]) + if (!drvr->iflist[ifp->bssidx]) return -1; if (cmd == SIOCETHTOOL) @@ -548,17 +545,12 @@ static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr, static int brcmf_netdev_stop(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - if (drvr->bus_if->drvr_up == 0) - return 0; + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); brcmf_cfg80211_down(ndev); /* Set state and stop OS transmissions */ - drvr->bus_if->drvr_up = false; netif_stop_queue(ndev); return 0; @@ -572,7 +564,7 @@ static int brcmf_netdev_open(struct net_device *ndev) u32 toe_ol; s32 ret = 0; - brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx); + brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); /* If bus is not ready, can't continue */ if (bus_if->state != BRCMF_BUS_DATA) { @@ -580,9 +572,7 @@ static int brcmf_netdev_open(struct net_device *ndev) return -EAGAIN; } - atomic_set(&drvr->pend_8021x_cnt, 0); - - memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN); + atomic_set(&ifp->pend_8021x_cnt, 0); /* Get current TOE mode from dongle */ if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 @@ -593,7 +583,6 @@ static int brcmf_netdev_open(struct net_device *ndev) /* Allow transmit calls */ netif_start_queue(ndev); - drvr->bus_if->drvr_up = true; if (brcmf_cfg80211_up(ndev)) { brcmf_err("failed to bring up cfg80211\n"); return -1; @@ -612,29 +601,18 @@ static const struct net_device_ops brcmf_netdev_ops_pri = { .ndo_set_rx_mode = brcmf_netdev_set_multicast_list }; -static const struct net_device_ops brcmf_netdev_ops_virt = { - .ndo_open = brcmf_cfg80211_up, - .ndo_stop = brcmf_cfg80211_down, - .ndo_get_stats = brcmf_netdev_get_stats, - .ndo_do_ioctl = brcmf_netdev_ioctl_entry, - .ndo_start_xmit = brcmf_netdev_start_xmit, - .ndo_set_mac_address = brcmf_netdev_set_mac_address, - .ndo_set_rx_mode = brcmf_netdev_set_multicast_list -}; - -int brcmf_net_attach(struct brcmf_if *ifp) +int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) { struct brcmf_pub *drvr = ifp->drvr; struct net_device *ndev; + s32 err; - brcmf_dbg(TRACE, "ifidx %d mac %pM\n", ifp->idx, ifp->mac_addr); + brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, + ifp->mac_addr); ndev = ifp->ndev; /* set appropriate operations */ - if (!ifp->idx) - ndev->netdev_ops = &brcmf_netdev_ops_pri; - else - ndev->netdev_ops = &brcmf_netdev_ops_virt; + ndev->netdev_ops = &brcmf_netdev_ops_pri; ndev->hard_header_len = ETH_HLEN + drvr->hdrlen; ndev->ethtool_ops = &brcmf_ethtool_ops; @@ -645,7 +623,14 @@ int brcmf_net_attach(struct brcmf_if *ifp) /* set the mac address */ memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - if (register_netdev(ndev) != 0) { + INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); + INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); + + if (rtnl_locked) + err = register_netdevice(ndev); + else + err = register_netdev(ndev); + if (err != 0) { brcmf_err("couldn't register the net device\n"); goto fail; } @@ -659,16 +644,78 @@ fail: return -EBADE; } -struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx, - char *name, u8 *addr_mask) +static int brcmf_net_p2p_open(struct net_device *ndev) +{ + brcmf_dbg(TRACE, "Enter\n"); + + return brcmf_cfg80211_up(ndev); +} + +static int brcmf_net_p2p_stop(struct net_device *ndev) +{ + brcmf_dbg(TRACE, "Enter\n"); + + return brcmf_cfg80211_down(ndev); +} + +static int brcmf_net_p2p_do_ioctl(struct net_device *ndev, + struct ifreq *ifr, int cmd) +{ + brcmf_dbg(TRACE, "Enter\n"); + return 0; +} + +static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, + struct net_device *ndev) +{ + if (skb) + dev_kfree_skb_any(skb); + + return NETDEV_TX_OK; +} + +static const struct net_device_ops brcmf_netdev_ops_p2p = { + .ndo_open = brcmf_net_p2p_open, + .ndo_stop = brcmf_net_p2p_stop, + .ndo_do_ioctl = brcmf_net_p2p_do_ioctl, + .ndo_start_xmit = brcmf_net_p2p_start_xmit +}; + +static int brcmf_net_p2p_attach(struct brcmf_if *ifp) +{ + struct net_device *ndev; + + brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, + ifp->mac_addr); + ndev = ifp->ndev; + + ndev->netdev_ops = &brcmf_netdev_ops_p2p; + + /* set the mac address */ + memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); + + if (register_netdev(ndev) != 0) { + brcmf_err("couldn't register the p2p net device\n"); + goto fail; + } + + brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); + + return 0; + +fail: + return -EBADE; +} + +struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, + char *name, u8 *mac_addr) { struct brcmf_if *ifp; struct net_device *ndev; - int i; - brcmf_dbg(TRACE, "idx %d\n", ifidx); + brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); - ifp = drvr->iflist[ifidx]; + ifp = drvr->iflist[bssidx]; /* * Delete the existing interface before overwriting it * in case we missed the BRCMF_E_IF_DEL event. @@ -680,7 +727,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx, netif_stop_queue(ifp->ndev); unregister_netdev(ifp->ndev); free_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; + drvr->iflist[bssidx] = NULL; } else { brcmf_err("ignore IF event\n"); return ERR_PTR(-EINVAL); @@ -697,16 +744,15 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx, ifp = netdev_priv(ndev); ifp->ndev = ndev; ifp->drvr = drvr; - drvr->iflist[ifidx] = ifp; - ifp->idx = ifidx; + drvr->iflist[bssidx] = ifp; + ifp->ifidx = ifidx; ifp->bssidx = bssidx; - INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); - INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); - if (addr_mask != NULL) - for (i = 0; i < ETH_ALEN; i++) - ifp->mac_addr[i] = drvr->mac[i] ^ addr_mask[i]; + init_waitqueue_head(&ifp->pend_8021x_wait); + + if (mac_addr != NULL) + memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", current->pid, ifp->ndev->name, ifp->mac_addr); @@ -714,19 +760,18 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx, return ifp; } -void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) +void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) { struct brcmf_if *ifp; - brcmf_dbg(TRACE, "idx %d\n", ifidx); - - ifp = drvr->iflist[ifidx]; + ifp = drvr->iflist[bssidx]; if (!ifp) { - brcmf_err("Null interface\n"); + brcmf_err("Null interface, idx=%d\n", bssidx); return; } + brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); if (ifp->ndev) { - if (ifidx == 0) { + if (bssidx == 0) { if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { rtnl_lock(); brcmf_netdev_stop(ifp->ndev); @@ -736,12 +781,14 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) netif_stop_queue(ifp->ndev); } - cancel_work_sync(&ifp->setmacaddr_work); - cancel_work_sync(&ifp->multicast_work); + if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { + cancel_work_sync(&ifp->setmacaddr_work); + cancel_work_sync(&ifp->multicast_work); + } unregister_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; - if (ifidx == 0) + drvr->iflist[bssidx] = NULL; + if (bssidx == 0) brcmf_cfg80211_detach(drvr->config); free_netdev(ifp->ndev); } @@ -781,8 +828,6 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) INIT_LIST_HEAD(&drvr->bus_if->dcmd_list); - init_waitqueue_head(&drvr->pend_8021x_wait); - return ret; fail: @@ -797,6 +842,7 @@ int brcmf_bus_start(struct device *dev) struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; struct brcmf_if *ifp; + struct brcmf_if *p2p_ifp; brcmf_dbg(TRACE, "\n"); @@ -812,6 +858,13 @@ int brcmf_bus_start(struct device *dev) if (IS_ERR(ifp)) return PTR_ERR(ifp); + if (brcmf_p2p_enable) + p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); + else + p2p_ifp = NULL; + if (IS_ERR(p2p_ifp)) + p2p_ifp = NULL; + /* signal bus ready */ bus_if->state = BRCMF_BUS_DATA; @@ -830,16 +883,22 @@ int brcmf_bus_start(struct device *dev) if (ret < 0) goto fail; - ret = brcmf_net_attach(ifp); + ret = brcmf_net_attach(ifp, false); fail: if (ret < 0) { brcmf_err("failed: %d\n", ret); if (drvr->config) brcmf_cfg80211_detach(drvr->config); - free_netdev(drvr->iflist[0]->ndev); + free_netdev(ifp->ndev); drvr->iflist[0] = NULL; + if (p2p_ifp) { + free_netdev(p2p_ifp->ndev); + drvr->iflist[1] = NULL; + } return ret; } + if ((brcmf_p2p_enable) && (p2p_ifp)) + brcmf_net_p2p_attach(p2p_ifp); return 0; } @@ -865,12 +924,13 @@ void brcmf_dev_reset(struct device *dev) if (drvr == NULL) return; - brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); + if (drvr->iflist[0]) + brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); } void brcmf_detach(struct device *dev) { - int i; + s32 i; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; @@ -897,19 +957,18 @@ void brcmf_detach(struct device *dev) kfree(drvr); } -static int brcmf_get_pend_8021x_cnt(struct brcmf_pub *drvr) +static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) { - return atomic_read(&drvr->pend_8021x_cnt); + return atomic_read(&ifp->pend_8021x_cnt); } int brcmf_netdev_wait_pend8021x(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; int err; - err = wait_event_timeout(drvr->pend_8021x_wait, - !brcmf_get_pend_8021x_cnt(drvr), + err = wait_event_timeout(ifp->pend_8021x_wait, + !brcmf_get_pend_8021x_cnt(ifp), msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); WARN_ON(!err); @@ -917,6 +976,16 @@ int brcmf_netdev_wait_pend8021x(struct net_device *ndev) return !err; } +/* + * return chip id and rev of the device encoded in u32. + */ +u32 brcmf_get_chip_info(struct brcmf_if *ifp) +{ + struct brcmf_bus *bus = ifp->drvr->bus_if; + + return bus->chip << 4 | bus->chiprev; +} + static void brcmf_driver_init(struct work_struct *work) { brcmf_debugfs_init(); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 6d786a281f1e..4469321c0eb3 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -1096,7 +1096,6 @@ static int brcmf_sdio_hdparser(struct brcmf_sdio *bus, u8 *header, if (len > MAX_RX_DATASZ && rd->channel != SDPCM_CONTROL_CHANNEL && type != BRCMF_SDIO_FT_SUPER) { brcmf_err("HW header length too long\n"); - bus->sdiodev->bus_if->dstats.rx_errors++; bus->sdcnt.rx_toolong++; brcmf_sdbrcm_rxfail(bus, false, false); rd->len = 0; @@ -1298,7 +1297,6 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq) if (errcode < 0) { brcmf_err("glom read of %d bytes failed: %d\n", dlen, errcode); - bus->sdiodev->bus_if->dstats.rx_errors++; sdio_claim_host(bus->sdiodev->func[1]); if (bus->glomerr++ < 3) { @@ -1477,7 +1475,6 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) { brcmf_err("%d-byte control read exceeds %d-byte buffer\n", rdlen, bus->sdiodev->bus_if->maxctl); - bus->sdiodev->bus_if->dstats.rx_errors++; brcmf_sdbrcm_rxfail(bus, false, false); goto done; } @@ -1485,7 +1482,6 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) if ((len - doff) > bus->sdiodev->bus_if->maxctl) { brcmf_err("%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", len, len - doff, bus->sdiodev->bus_if->maxctl); - bus->sdiodev->bus_if->dstats.rx_errors++; bus->sdcnt.rx_toolong++; brcmf_sdbrcm_rxfail(bus, false, false); goto done; @@ -1633,7 +1629,6 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) if (!pkt) { /* Give up on data, request rtx of events */ brcmf_err("brcmu_pkt_buf_get_skb failed\n"); - bus->sdiodev->bus_if->dstats.rx_dropped++; brcmf_sdbrcm_rxfail(bus, false, RETRYCHAN(rd->channel)); sdio_release_host(bus->sdiodev->func[1]); @@ -1651,7 +1646,6 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) brcmf_err("read %d bytes from channel %d failed: %d\n", rd->len, rd->channel, sdret); brcmu_pkt_buf_free_skb(pkt); - bus->sdiodev->bus_if->dstats.rx_errors++; sdio_claim_host(bus->sdiodev->func[1]); brcmf_sdbrcm_rxfail(bus, true, RETRYCHAN(rd->channel)); @@ -1939,10 +1933,6 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes) datalen = pkt->len - SDPCM_HDRLEN; ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true); - if (ret) - bus->sdiodev->bus_if->dstats.tx_errors++; - else - bus->sdiodev->bus_if->dstats.tx_bytes += datalen; /* In poll mode, need to check for other events */ if (!bus->intr && cnt) { @@ -1961,8 +1951,7 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes) } /* Deflow-control stack if needed */ - if (bus->sdiodev->bus_if->drvr_up && - (bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) && + if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) && bus->txoff && (pktq_len(&bus->txq) < TXLOW)) { bus->txoff = false; brcmf_txflowblock(bus->sdiodev->dev, false); @@ -2709,9 +2698,10 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus, * address of sdpcm_shared structure */ sdio_claim_host(bus->sdiodev->func[1]); + brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); rv = brcmf_sdbrcm_membytes(bus, false, shaddr, (u8 *)&addr_le, 4); - sdio_claim_host(bus->sdiodev->func[1]); + sdio_release_host(bus->sdiodev->func[1]); if (rv < 0) return rv; @@ -2730,10 +2720,8 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus, } /* Read hndrte_shared structure */ - sdio_claim_host(bus->sdiodev->func[1]); rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&sh_le, sizeof(struct sdpcm_shared_le)); - sdio_release_host(bus->sdiodev->func[1]); if (rv < 0) return rv; @@ -2835,14 +2823,12 @@ static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh, if ((sh->flags & SDPCM_SHARED_TRAP) == 0) return 0; - sdio_claim_host(bus->sdiodev->func[1]); error = brcmf_sdbrcm_membytes(bus, false, sh->trap_addr, (u8 *)&tr, sizeof(struct brcmf_trap_info)); if (error < 0) return error; nbytes = brcmf_sdio_dump_console(bus, sh, data, count); - sdio_release_host(bus->sdiodev->func[1]); if (nbytes < 0) return nbytes; @@ -3307,9 +3293,6 @@ static int brcmf_sdbrcm_download_nvram(struct brcmf_sdio *bus) { int ret; - if (bus->sdiodev->bus_if->drvr_up) - return -EISCONN; - ret = request_firmware(&bus->firmware, BRCMF_SDIO_NV_NAME, &bus->sdiodev->func[2]->dev); if (ret) { @@ -3940,6 +3923,8 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) /* Assign bus interface call back */ bus->sdiodev->bus_if->dev = bus->sdiodev->dev; bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops; + bus->sdiodev->bus_if->chip = bus->ci->chip; + bus->sdiodev->bus_if->chiprev = bus->ci->chiprev; /* Attach to the brcmf/OS/network interface */ ret = brcmf_attach(SDPCM_RESERVE, bus->sdiodev->dev); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c index ba0b22512f12..e9d6f91a1f2b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c @@ -189,24 +189,24 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, return; } - ifp = drvr->iflist[ifevent->ifidx]; + ifp = drvr->iflist[ifevent->bssidx]; if (ifevent->action == BRCMF_E_IF_ADD) { brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname, emsg->addr); - ifp = brcmf_add_if(drvr, ifevent->ifidx, ifevent->bssidx, + ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx, emsg->ifname, emsg->addr); if (IS_ERR(ifp)) return; if (!drvr->fweh.evt_handler[BRCMF_E_IF]) - err = brcmf_net_attach(ifp); + err = brcmf_net_attach(ifp, false); } err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data); if (ifevent->action == BRCMF_E_IF_DEL) - brcmf_del_if(drvr, ifevent->ifidx); + brcmf_del_if(drvr, ifevent->bssidx); } /** @@ -250,8 +250,6 @@ static void brcmf_fweh_event_worker(struct work_struct *work) drvr = container_of(fweh, struct brcmf_pub, fweh); while ((event = brcmf_fweh_dequeue_event(fweh))) { - ifp = drvr->iflist[event->ifidx]; - brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n", brcmf_fweh_event_name(event->code), event->code, event->emsg.ifidx, event->emsg.bsscfgidx, @@ -283,6 +281,7 @@ static void brcmf_fweh_event_worker(struct work_struct *work) goto event_free; } + ifp = drvr->iflist[emsg.bsscfgidx]; err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg, event->data); if (err) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h index 36901f76a3b5..8c39b51dcccf 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h @@ -83,6 +83,7 @@ struct brcmf_event; BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \ BRCMF_ENUM_DEF(TRACE, 52) \ BRCMF_ENUM_DEF(IF, 54) \ + BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \ BRCMF_ENUM_DEF(RSSI, 56) \ BRCMF_ENUM_DEF(PFN_SCAN_COMPLETE, 57) \ BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \ @@ -96,8 +97,11 @@ struct brcmf_event; BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \ BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \ BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \ + BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \ + BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \ BRCMF_ENUM_DEF(DCS_REQUEST, 73) \ - BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) + BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \ + BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) #define BRCMF_ENUM_DEF(id, val) \ BRCMF_E_##id = (val), diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c index d8d8b6549dc5..8d1def935b8d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c @@ -45,9 +45,10 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set) if (data != NULL) len = min_t(uint, len, BRCMF_DCMD_MAXLEN); if (set) - err = brcmf_proto_cdc_set_dcmd(drvr, ifp->idx, cmd, data, len); + err = brcmf_proto_cdc_set_dcmd(drvr, ifp->ifidx, cmd, data, + len); else - err = brcmf_proto_cdc_query_dcmd(drvr, ifp->idx, cmd, data, + err = brcmf_proto_cdc_query_dcmd(drvr, ifp->ifidx, cmd, data, len); if (err >= 0) @@ -100,6 +101,7 @@ brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data) __le32 data_le = cpu_to_le32(data); mutex_lock(&ifp->drvr->proto_block); + brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, data); err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true); mutex_unlock(&ifp->drvr->proto_block); @@ -116,6 +118,7 @@ brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data) err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false); mutex_unlock(&ifp->drvr->proto_block); *data = le32_to_cpu(data_le); + brcmf_dbg(FIL, "cmd=%d, value=%d\n", cmd, *data); return err; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h new file mode 100644 index 000000000000..0f2c83bc95dc --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + + +#ifndef FWIL_TYPES_H_ +#define FWIL_TYPES_H_ + +#include <linux/if_ether.h> + + +#define BRCMF_FIL_ACTION_FRAME_SIZE 1800 + + +enum brcmf_fil_p2p_if_types { + BRCMF_FIL_P2P_IF_CLIENT, + BRCMF_FIL_P2P_IF_GO, + BRCMF_FIL_P2P_IF_DYNBCN_GO, + BRCMF_FIL_P2P_IF_DEV, +}; + +struct brcmf_fil_p2p_if_le { + u8 addr[ETH_ALEN]; + __le16 type; + __le16 chspec; +}; + +struct brcmf_fil_chan_info_le { + __le32 hw_channel; + __le32 target_channel; + __le32 scan_channel; +}; + +struct brcmf_fil_action_frame_le { + u8 da[ETH_ALEN]; + __le16 len; + __le32 packet_id; + u8 data[BRCMF_FIL_ACTION_FRAME_SIZE]; +}; + +struct brcmf_fil_af_params_le { + __le32 channel; + __le32 dwell_time; + u8 bssid[ETH_ALEN]; + u8 pad[2]; + struct brcmf_fil_action_frame_le action_frame; +}; + +struct brcmf_fil_bss_enable_le { + __le32 bsscfg_idx; + __le32 enable; +}; + +#endif /* FWIL_TYPES_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c new file mode 100644 index 000000000000..4166e642068b --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -0,0 +1,2277 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <net/cfg80211.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include <defs.h> +#include <dhd.h> +#include <dhd_dbg.h> +#include "fwil.h" +#include "fwil_types.h" +#include "p2p.h" +#include "wl_cfg80211.h" + +/* parameters used for p2p escan */ +#define P2PAPI_SCAN_NPROBES 1 +#define P2PAPI_SCAN_DWELL_TIME_MS 80 +#define P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS 40 +#define P2PAPI_SCAN_HOME_TIME_MS 60 +#define P2PAPI_SCAN_NPROBS_TIME_MS 30 +#define P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS 100 +#define WL_SCAN_CONNECT_DWELL_TIME_MS 200 +#define WL_SCAN_JOIN_PROBE_INTERVAL_MS 20 + +#define BRCMF_P2P_WILDCARD_SSID "DIRECT-" +#define BRCMF_P2P_WILDCARD_SSID_LEN (sizeof(BRCMF_P2P_WILDCARD_SSID) - 1) + +#define SOCIAL_CHAN_1 1 +#define SOCIAL_CHAN_2 6 +#define SOCIAL_CHAN_3 11 +#define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ + (channel == SOCIAL_CHAN_2) || \ + (channel == SOCIAL_CHAN_3)) +#define SOCIAL_CHAN_CNT 3 +#define AF_PEER_SEARCH_CNT 2 + +#define BRCMF_SCB_TIMEOUT_VALUE 20 + +#define P2P_VER 9 /* P2P version: 9=WiFi P2P v1.0 */ +#define P2P_PUB_AF_CATEGORY 0x04 +#define P2P_PUB_AF_ACTION 0x09 +#define P2P_AF_CATEGORY 0x7f +#define P2P_OUI "\x50\x6F\x9A" /* P2P OUI */ +#define P2P_OUI_LEN 3 /* P2P OUI length */ + +/* Action Frame Constants */ +#define DOT11_ACTION_HDR_LEN 2 /* action frame category + action */ +#define DOT11_ACTION_CAT_OFF 0 /* category offset */ +#define DOT11_ACTION_ACT_OFF 1 /* action offset */ + +#define P2P_AF_DWELL_TIME 200 +#define P2P_AF_MIN_DWELL_TIME 100 +#define P2P_AF_MED_DWELL_TIME 400 +#define P2P_AF_LONG_DWELL_TIME 1000 +#define P2P_AF_TX_MAX_RETRY 1 +#define P2P_AF_MAX_WAIT_TIME 2000 +#define P2P_INVALID_CHANNEL -1 +#define P2P_CHANNEL_SYNC_RETRY 5 +#define P2P_AF_FRM_SCAN_MAX_WAIT 1500 +#define P2P_DEFAULT_SLEEP_TIME_VSDB 200 + +/* WiFi P2P Public Action Frame OUI Subtypes */ +#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */ +#define P2P_PAF_GON_RSP 1 /* Group Owner Negotiation Rsp */ +#define P2P_PAF_GON_CONF 2 /* Group Owner Negotiation Confirm */ +#define P2P_PAF_INVITE_REQ 3 /* P2P Invitation Request */ +#define P2P_PAF_INVITE_RSP 4 /* P2P Invitation Response */ +#define P2P_PAF_DEVDIS_REQ 5 /* Device Discoverability Request */ +#define P2P_PAF_DEVDIS_RSP 6 /* Device Discoverability Response */ +#define P2P_PAF_PROVDIS_REQ 7 /* Provision Discovery Request */ +#define P2P_PAF_PROVDIS_RSP 8 /* Provision Discovery Response */ +#define P2P_PAF_SUBTYPE_INVALID 255 /* Invalid Subtype */ + +/* WiFi P2P Action Frame OUI Subtypes */ +#define P2P_AF_NOTICE_OF_ABSENCE 0 /* Notice of Absence */ +#define P2P_AF_PRESENCE_REQ 1 /* P2P Presence Request */ +#define P2P_AF_PRESENCE_RSP 2 /* P2P Presence Response */ +#define P2P_AF_GO_DISC_REQ 3 /* GO Discoverability Request */ + +/* P2P Service Discovery related */ +#define P2PSD_ACTION_CATEGORY 0x04 /* Public action frame */ +#define P2PSD_ACTION_ID_GAS_IREQ 0x0a /* GAS Initial Request AF */ +#define P2PSD_ACTION_ID_GAS_IRESP 0x0b /* GAS Initial Response AF */ +#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comback Request AF */ +#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */ + +/** + * struct brcmf_p2p_disc_st_le - set discovery state in firmware. + * + * @state: requested discovery state (see enum brcmf_p2p_disc_state). + * @chspec: channel parameter for %WL_P2P_DISC_ST_LISTEN state. + * @dwell: dwell time in ms for %WL_P2P_DISC_ST_LISTEN state. + */ +struct brcmf_p2p_disc_st_le { + u8 state; + __le16 chspec; + __le16 dwell; +}; + +/** + * enum brcmf_p2p_disc_state - P2P discovery state values + * + * @WL_P2P_DISC_ST_SCAN: P2P discovery with wildcard SSID and P2P IE. + * @WL_P2P_DISC_ST_LISTEN: P2P discovery off-channel for specified time. + * @WL_P2P_DISC_ST_SEARCH: P2P discovery with P2P wildcard SSID and P2P IE. + */ +enum brcmf_p2p_disc_state { + WL_P2P_DISC_ST_SCAN, + WL_P2P_DISC_ST_LISTEN, + WL_P2P_DISC_ST_SEARCH +}; + +/** + * struct brcmf_p2p_scan_le - P2P specific scan request. + * + * @type: type of scan method requested (values: 'E' or 'S'). + * @reserved: reserved (ignored). + * @eparams: parameters used for type 'E'. + * @sparams: parameters used for type 'S'. + */ +struct brcmf_p2p_scan_le { + u8 type; + u8 reserved[3]; + union { + struct brcmf_escan_params_le eparams; + struct brcmf_scan_params_le sparams; + }; +}; + +/** + * struct brcmf_p2p_pub_act_frame - WiFi P2P Public Action Frame + * + * @category: P2P_PUB_AF_CATEGORY + * @action: P2P_PUB_AF_ACTION + * @oui[3]: P2P_OUI + * @oui_type: OUI type - P2P_VER + * @subtype: OUI subtype - P2P_TYPE_* + * @dialog_token: nonzero, identifies req/rsp transaction + * @elts[1]: Variable length information elements. + */ +struct brcmf_p2p_pub_act_frame { + u8 category; + u8 action; + u8 oui[3]; + u8 oui_type; + u8 subtype; + u8 dialog_token; + u8 elts[1]; +}; + +/** + * struct brcmf_p2p_action_frame - WiFi P2P Action Frame + * + * @category: P2P_AF_CATEGORY + * @OUI[3]: OUI - P2P_OUI + * @type: OUI Type - P2P_VER + * @subtype: OUI Subtype - P2P_AF_* + * @dialog_token: nonzero, identifies req/resp tranaction + * @elts[1]: Variable length information elements. + */ +struct brcmf_p2p_action_frame { + u8 category; + u8 oui[3]; + u8 type; + u8 subtype; + u8 dialog_token; + u8 elts[1]; +}; + +/** + * struct brcmf_p2psd_gas_pub_act_frame - Wi-Fi GAS Public Action Frame + * + * @category: 0x04 Public Action Frame + * @action: 0x6c Advertisement Protocol + * @dialog_token: nonzero, identifies req/rsp transaction + * @query_data[1]: Query Data. SD gas ireq SD gas iresp + */ +struct brcmf_p2psd_gas_pub_act_frame { + u8 category; + u8 action; + u8 dialog_token; + u8 query_data[1]; +}; + +/** + * struct brcmf_config_af_params - Action Frame Parameters for tx. + * + * @mpc_onoff: To make sure to send successfully action frame, we have to + * turn off mpc 0: off, 1: on, (-1): do nothing + * @search_channel: 1: search peer's channel to send af + * extra_listen: keep the dwell time to get af response frame. + */ +struct brcmf_config_af_params { + s32 mpc_onoff; + bool search_channel; + bool extra_listen; +}; + +/** + * brcmf_p2p_is_pub_action() - true if p2p public type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p public action type + */ +static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len) +{ + struct brcmf_p2p_pub_act_frame *pact_frm; + + if (frame == NULL) + return false; + + pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2p_pub_act_frame) - 1) + return false; + + if (pact_frm->category == P2P_PUB_AF_CATEGORY && + pact_frm->action == P2P_PUB_AF_ACTION && + pact_frm->oui_type == P2P_VER && + memcmp(pact_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) + return true; + + return false; +} + +/** + * brcmf_p2p_is_p2p_action() - true if p2p action type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p action type + */ +static bool brcmf_p2p_is_p2p_action(void *frame, u32 frame_len) +{ + struct brcmf_p2p_action_frame *act_frm; + + if (frame == NULL) + return false; + + act_frm = (struct brcmf_p2p_action_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2p_action_frame) - 1) + return false; + + if (act_frm->category == P2P_AF_CATEGORY && + act_frm->type == P2P_VER && + memcmp(act_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) + return true; + + return false; +} + +/** + * brcmf_p2p_is_gas_action() - true if p2p gas action type frame. + * + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Determine if action frame is p2p gas action type + */ +static bool brcmf_p2p_is_gas_action(void *frame, u32 frame_len) +{ + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + + if (frame == NULL) + return false; + + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + if (frame_len < sizeof(struct brcmf_p2psd_gas_pub_act_frame) - 1) + return false; + + if (sd_act_frm->category != P2PSD_ACTION_CATEGORY) + return false; + + if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_IRESP || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_CREQ || + sd_act_frm->action == P2PSD_ACTION_ID_GAS_CRESP) + return true; + + return false; +} + +/** + * brcmf_p2p_print_actframe() - debug print routine. + * + * @tx: Received or to be transmitted + * @frame: action frame data. + * @frame_len: length of action frame data. + * + * Print information about the p2p action frame + */ + +#ifdef DEBUG + +static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) +{ + struct brcmf_p2p_pub_act_frame *pact_frm; + struct brcmf_p2p_action_frame *act_frm; + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + + if (!frame || frame_len <= 2) + return; + + if (brcmf_p2p_is_pub_action(frame, frame_len)) { + pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; + switch (pact_frm->subtype) { + case P2P_PAF_GON_REQ: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Req Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_GON_RSP: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Rsp Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_GON_CONF: + brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Confirm Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_INVITE_REQ: + brcmf_dbg(TRACE, "%s P2P Invitation Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_INVITE_RSP: + brcmf_dbg(TRACE, "%s P2P Invitation Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_DEVDIS_REQ: + brcmf_dbg(TRACE, "%s P2P Device Discoverability Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_DEVDIS_RSP: + brcmf_dbg(TRACE, "%s P2P Device Discoverability Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_PROVDIS_REQ: + brcmf_dbg(TRACE, "%s P2P Provision Discovery Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_PAF_PROVDIS_RSP: + brcmf_dbg(TRACE, "%s P2P Provision Discovery Response Frame\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P Public Action Frame\n", + (tx) ? "TX" : "RX"); + break; + } + } else if (brcmf_p2p_is_p2p_action(frame, frame_len)) { + act_frm = (struct brcmf_p2p_action_frame *)frame; + switch (act_frm->subtype) { + case P2P_AF_NOTICE_OF_ABSENCE: + brcmf_dbg(TRACE, "%s P2P Notice of Absence Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_PRESENCE_REQ: + brcmf_dbg(TRACE, "%s P2P Presence Request Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_PRESENCE_RSP: + brcmf_dbg(TRACE, "%s P2P Presence Response Frame\n", + (tx) ? "TX" : "RX"); + break; + case P2P_AF_GO_DISC_REQ: + brcmf_dbg(TRACE, "%s P2P Discoverability Request Frame\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P Action Frame\n", + (tx) ? "TX" : "RX"); + } + + } else if (brcmf_p2p_is_gas_action(frame, frame_len)) { + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + switch (sd_act_frm->action) { + case P2PSD_ACTION_ID_GAS_IREQ: + brcmf_dbg(TRACE, "%s P2P GAS Initial Request\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_IRESP: + brcmf_dbg(TRACE, "%s P2P GAS Initial Response\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_CREQ: + brcmf_dbg(TRACE, "%s P2P GAS Comback Request\n", + (tx) ? "TX" : "RX"); + break; + case P2PSD_ACTION_ID_GAS_CRESP: + brcmf_dbg(TRACE, "%s P2P GAS Comback Response\n", + (tx) ? "TX" : "RX"); + break; + default: + brcmf_dbg(TRACE, "%s Unknown P2P GAS Frame\n", + (tx) ? "TX" : "RX"); + break; + } + } +} + +#else + +static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) +{ +} + +#endif + + +/** + * brcmf_p2p_chnr_to_chspec() - convert channel number to chanspec. + * + * @channel: channel number + */ +static u16 brcmf_p2p_chnr_to_chspec(u16 channel) +{ + u16 chanspec; + + chanspec = channel & WL_CHANSPEC_CHAN_MASK; + + if (channel <= CH_MAX_2G_CHANNEL) + chanspec |= WL_CHANSPEC_BAND_2G; + else + chanspec |= WL_CHANSPEC_BAND_5G; + + chanspec |= WL_CHANSPEC_BW_20; + chanspec |= WL_CHANSPEC_CTL_SB_NONE; + + return chanspec; +} + + +/** + * brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation. + * + * @ifp: ifp to use for iovars (primary). + * @p2p_mac: mac address to configure for p2p_da_override + */ +static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac) +{ + s32 ret = 0; + + brcmf_fil_iovar_int_set(ifp, "apsta", 1); + + /* In case of COB type, firmware has default mac address + * After Initializing firmware, we have to set current mac address to + * firmware for P2P device address + */ + ret = brcmf_fil_iovar_data_set(ifp, "p2p_da_override", p2p_mac, + ETH_ALEN); + if (ret) + brcmf_err("failed to update device address ret %d\n", ret); + + return ret; +} + +/** + * brcmf_p2p_generate_bss_mac() - derive mac addresses for P2P. + * + * @p2p: P2P specific data. + * + * P2P needs mac addresses for P2P device and interface. These are + * derived from the primary net device, ie. the permanent ethernet + * address of the device. + */ +static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p) +{ + struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + struct brcmf_if *p2p_ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp; + + /* Generate the P2P Device Address. This consists of the device's + * primary MAC address with the locally administered bit set. + */ + memcpy(p2p->dev_addr, pri_ifp->mac_addr, ETH_ALEN); + p2p->dev_addr[0] |= 0x02; + memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN); + + /* Generate the P2P Interface Address. If the discovery and connection + * BSSCFGs need to simultaneously co-exist, then this address must be + * different from the P2P Device Address, but also locally administered. + */ + memcpy(p2p->int_addr, p2p->dev_addr, ETH_ALEN); + p2p->int_addr[4] ^= 0x80; +} + +/** + * brcmf_p2p_scan_is_p2p_request() - is cfg80211 scan request a P2P scan. + * + * @request: the scan request as received from cfg80211. + * + * returns true if one of the ssids in the request matches the + * P2P wildcard ssid; otherwise returns false. + */ +static bool brcmf_p2p_scan_is_p2p_request(struct cfg80211_scan_request *request) +{ + struct cfg80211_ssid *ssids = request->ssids; + int i; + + for (i = 0; i < request->n_ssids; i++) { + if (ssids[i].ssid_len != BRCMF_P2P_WILDCARD_SSID_LEN) + continue; + + brcmf_dbg(INFO, "comparing ssid \"%s\"", ssids[i].ssid); + if (!memcmp(BRCMF_P2P_WILDCARD_SSID, ssids[i].ssid, + BRCMF_P2P_WILDCARD_SSID_LEN)) + return true; + } + return false; +} + +/** + * brcmf_p2p_set_discover_state - set discover state in firmware. + * + * @ifp: low-level interface object. + * @state: discover state to set. + * @chanspec: channel parameters (for state @WL_P2P_DISC_ST_LISTEN only). + * @listen_ms: duration to listen (for state @WL_P2P_DISC_ST_LISTEN only). + */ +static s32 brcmf_p2p_set_discover_state(struct brcmf_if *ifp, u8 state, + u16 chanspec, u16 listen_ms) +{ + struct brcmf_p2p_disc_st_le discover_state; + s32 ret = 0; + brcmf_dbg(TRACE, "enter\n"); + + discover_state.state = state; + discover_state.chspec = cpu_to_le16(chanspec); + discover_state.dwell = cpu_to_le16(listen_ms); + ret = brcmf_fil_bsscfg_data_set(ifp, "p2p_state", &discover_state, + sizeof(discover_state)); + return ret; +} + +/** + * brcmf_p2p_deinit_discovery() - disable P2P device discovery. + * + * @p2p: P2P specific data. + * + * Resets the discovery state and disables it in firmware. + */ +static s32 brcmf_p2p_deinit_discovery(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + + brcmf_dbg(TRACE, "enter\n"); + + /* Set the discovery state to SCAN */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + (void)brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + + /* Disable P2P discovery in the firmware */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + (void)brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 0); + + return 0; +} + +/** + * brcmf_p2p_enable_discovery() - initialize and configure discovery. + * + * @p2p: P2P specific data. + * + * Initializes the discovery device and configure the virtual interface. + */ +static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + s32 ret = 0; + + brcmf_dbg(TRACE, "enter\n"); + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (!vif) { + brcmf_err("P2P config device not available\n"); + ret = -EPERM; + goto exit; + } + + if (test_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status)) { + brcmf_dbg(INFO, "P2P config device already configured\n"); + goto exit; + } + + /* Re-initialize P2P Discovery in the firmware */ + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + ret = brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 1); + if (ret < 0) { + brcmf_err("set p2p_disc error\n"); + goto exit; + } + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + ret = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + if (ret < 0) { + brcmf_err("unable to set WL_P2P_DISC_ST_SCAN\n"); + goto exit; + } + + /* + * Set wsec to any non-zero value in the discovery bsscfg + * to ensure our P2P probe responses have the privacy bit + * set in the 802.11 WPA IE. Some peer devices may not + * initiate WPS with us if this bit is not set. + */ + ret = brcmf_fil_bsscfg_int_set(vif->ifp, "wsec", AES_ENABLED); + if (ret < 0) { + brcmf_err("wsec error %d\n", ret); + goto exit; + } + + set_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status); +exit: + return ret; +} + +/** + * brcmf_p2p_escan() - initiate a P2P scan. + * + * @p2p: P2P specific data. + * @num_chans: number of channels to scan. + * @chanspecs: channel parameters for @num_chans channels. + * @search_state: P2P discover state to use. + * @action: scan action to pass to firmware. + * @bss_type: type of P2P bss. + */ +static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans, + u16 chanspecs[], s32 search_state, u16 action, + enum p2p_bss_type bss_type) +{ + s32 ret = 0; + s32 memsize = offsetof(struct brcmf_p2p_scan_le, + eparams.params_le.channel_list); + s32 nprobes; + s32 active; + u32 i; + u8 *memblk; + struct brcmf_cfg80211_vif *vif; + struct brcmf_p2p_scan_le *p2p_params; + struct brcmf_scan_params_le *sparams; + struct brcmf_ssid ssid; + + memsize += num_chans * sizeof(__le16); + memblk = kzalloc(memsize, GFP_KERNEL); + if (!memblk) + return -ENOMEM; + + vif = p2p->bss_idx[bss_type].vif; + if (vif == NULL) { + brcmf_err("no vif for bss type %d\n", bss_type); + ret = -EINVAL; + goto exit; + } + + switch (search_state) { + case WL_P2P_DISC_ST_SEARCH: + /* + * If we in SEARCH STATE, we don't need to set SSID explictly + * because dongle use P2P WILDCARD internally by default + */ + /* use null ssid */ + ssid.SSID_len = 0; + memset(ssid.SSID, 0, sizeof(ssid.SSID)); + break; + case WL_P2P_DISC_ST_SCAN: + /* + * wpa_supplicant has p2p_find command with type social or + * progressive. For progressive, we need to set the ssid to + * P2P WILDCARD because we just do broadcast scan unless + * setting SSID. + */ + ssid.SSID_len = BRCMF_P2P_WILDCARD_SSID_LEN; + memcpy(ssid.SSID, BRCMF_P2P_WILDCARD_SSID, ssid.SSID_len); + break; + default: + brcmf_err(" invalid search state %d\n", search_state); + ret = -EINVAL; + goto exit; + } + + brcmf_p2p_set_discover_state(vif->ifp, search_state, 0, 0); + + /* + * set p2p scan parameters. + */ + p2p_params = (struct brcmf_p2p_scan_le *)memblk; + p2p_params->type = 'E'; + + /* determine the scan engine parameters */ + sparams = &p2p_params->eparams.params_le; + sparams->bss_type = DOT11_BSSTYPE_ANY; + if (p2p->cfg->active_scan) + sparams->scan_type = 0; + else + sparams->scan_type = 1; + + memset(&sparams->bssid, 0xFF, ETH_ALEN); + if (ssid.SSID_len) + memcpy(sparams->ssid_le.SSID, ssid.SSID, ssid.SSID_len); + sparams->ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); + sparams->home_time = cpu_to_le32(P2PAPI_SCAN_HOME_TIME_MS); + + /* + * SOCIAL_CHAN_CNT + 1 takes care of the Progressive scan + * supported by the supplicant. + */ + if (num_chans == SOCIAL_CHAN_CNT || num_chans == (SOCIAL_CHAN_CNT + 1)) + active = P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS; + else if (num_chans == AF_PEER_SEARCH_CNT) + active = P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS; + else if (wl_get_vif_state_all(p2p->cfg, BRCMF_VIF_STATUS_CONNECTED)) + active = -1; + else + active = P2PAPI_SCAN_DWELL_TIME_MS; + + /* Override scan params to find a peer for a connection */ + if (num_chans == 1) { + active = WL_SCAN_CONNECT_DWELL_TIME_MS; + /* WAR to sync with presence period of VSDB GO. + * send probe request more frequently + */ + nprobes = active / WL_SCAN_JOIN_PROBE_INTERVAL_MS; + } else { + nprobes = active / P2PAPI_SCAN_NPROBS_TIME_MS; + } + + if (nprobes <= 0) + nprobes = 1; + + brcmf_dbg(INFO, "nprobes # %d, active_time %d\n", nprobes, active); + sparams->active_time = cpu_to_le32(active); + sparams->nprobes = cpu_to_le32(nprobes); + sparams->passive_time = cpu_to_le32(-1); + sparams->channel_num = cpu_to_le32(num_chans & + BRCMF_SCAN_PARAMS_COUNT_MASK); + for (i = 0; i < num_chans; i++) + sparams->channel_list[i] = cpu_to_le16(chanspecs[i]); + + /* set the escan specific parameters */ + p2p_params->eparams.version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); + p2p_params->eparams.action = cpu_to_le16(action); + p2p_params->eparams.sync_id = cpu_to_le16(0x1234); + /* perform p2p scan on primary device */ + ret = brcmf_fil_bsscfg_data_set(vif->ifp, "p2p_scan", memblk, memsize); + if (!ret) + set_bit(BRCMF_SCAN_STATUS_BUSY, &p2p->cfg->scan_status); +exit: + kfree(memblk); + return ret; +} + +/** + * brcmf_p2p_run_escan() - escan callback for peer-to-peer. + * + * @cfg: driver private data for cfg80211 interface. + * @ndev: net device for which scan is requested. + * @request: scan request from cfg80211. + * @action: scan action. + * + * Determines the P2P discovery state based to scan request parameters and + * validates the channels in the request. + */ +static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct cfg80211_scan_request *request, + u16 action) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + s32 err = 0; + s32 search_state = WL_P2P_DISC_ST_SCAN; + struct brcmf_cfg80211_vif *vif; + struct net_device *dev = NULL; + int i, num_nodfs = 0; + u16 *chanspecs; + + brcmf_dbg(TRACE, "enter\n"); + + if (!request) { + err = -EINVAL; + goto exit; + } + + if (request->n_channels) { + chanspecs = kcalloc(request->n_channels, sizeof(*chanspecs), + GFP_KERNEL); + if (!chanspecs) { + err = -ENOMEM; + goto exit; + } + vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; + if (vif) + dev = vif->wdev.netdev; + if (request->n_channels == 3 && + request->channels[0]->hw_value == SOCIAL_CHAN_1 && + request->channels[1]->hw_value == SOCIAL_CHAN_2 && + request->channels[2]->hw_value == SOCIAL_CHAN_3) { + /* SOCIAL CHANNELS 1, 6, 11 */ + search_state = WL_P2P_DISC_ST_SEARCH; + brcmf_dbg(INFO, "P2P SEARCH PHASE START\n"); + } else if (dev != NULL && vif->mode == WL_MODE_AP) { + /* If you are already a GO, then do SEARCH only */ + brcmf_dbg(INFO, "Already a GO. Do SEARCH Only\n"); + search_state = WL_P2P_DISC_ST_SEARCH; + } else { + brcmf_dbg(INFO, "P2P SCAN STATE START\n"); + } + + /* + * no P2P scanning on passive or DFS channels. + */ + for (i = 0; i < request->n_channels; i++) { + struct ieee80211_channel *chan = request->channels[i]; + + if (chan->flags & (IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_PASSIVE_SCAN)) + continue; + + chanspecs[i] = channel_to_chanspec(chan); + brcmf_dbg(INFO, "%d: chan=%d, channel spec=%x\n", + num_nodfs, chan->hw_value, chanspecs[i]); + num_nodfs++; + } + err = brcmf_p2p_escan(p2p, num_nodfs, chanspecs, search_state, + action, P2PAPI_BSSCFG_DEVICE); + } +exit: + if (err) + brcmf_err("error (%d)\n", err); + return err; +} + + +/** + * brcmf_p2p_find_listen_channel() - find listen channel in ie string. + * + * @ie: string of information elements. + * @ie_len: length of string. + * + * Scan ie for p2p ie and look for attribute 6 channel. If available determine + * channel and return it. + */ +static s32 brcmf_p2p_find_listen_channel(const u8 *ie, u32 ie_len) +{ + u8 channel_ie[5]; + s32 listen_channel; + s32 err; + + err = cfg80211_get_p2p_attr(ie, ie_len, + IEEE80211_P2P_ATTR_LISTEN_CHANNEL, + channel_ie, sizeof(channel_ie)); + if (err < 0) + return err; + + /* listen channel subel length format: */ + /* 3(country) + 1(op. class) + 1(chan num) */ + listen_channel = (s32)channel_ie[3 + 1]; + + if (listen_channel == SOCIAL_CHAN_1 || + listen_channel == SOCIAL_CHAN_2 || + listen_channel == SOCIAL_CHAN_3) { + brcmf_dbg(INFO, "Found my Listen Channel %d\n", listen_channel); + return listen_channel; + } + + return -EPERM; +} + + +/** + * brcmf_p2p_scan_prep() - prepare scan based on request. + * + * @wiphy: wiphy device. + * @request: scan request from cfg80211. + * @vif: vif on which scan request is to be executed. + * + * Prepare the scan appropriately for type of scan requested. Overrides the + * escan .run() callback for peer-to-peer scanning. + */ +int brcmf_p2p_scan_prep(struct wiphy *wiphy, + struct cfg80211_scan_request *request, + struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + int err = 0; + + if (brcmf_p2p_scan_is_p2p_request(request)) { + /* find my listen channel */ + err = brcmf_p2p_find_listen_channel(request->ie, + request->ie_len); + if (err < 0) + return err; + + p2p->afx_hdl.my_listen_chan = err; + + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); + + err = brcmf_p2p_enable_discovery(p2p); + if (err) + return err; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + + /* override .run_escan() callback. */ + cfg->escan_info.run = brcmf_p2p_run_escan; + } + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG, + request->ie, request->ie_len); + return err; +} + + +/** + * brcmf_p2p_discover_listen() - set firmware to discover listen state. + * + * @p2p: p2p device. + * @channel: channel nr for discover listen. + * @duration: time in ms to stay on channel. + * + */ +static s32 +brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) +{ + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + u16 chanspec; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (!vif) { + brcmf_err("Discovery is not set, so we have nothing to do\n"); + err = -EPERM; + goto exit; + } + + if (test_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status)) { + brcmf_err("Previous LISTEN is not completed yet\n"); + /* WAR: prevent cookie mismatch in wpa_supplicant return OK */ + goto exit; + } + + chanspec = brcmf_p2p_chnr_to_chspec(channel); + err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN, + chanspec, (u16)duration); + if (!err) { + set_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status); + p2p->remain_on_channel_cookie++; + } +exit: + return err; +} + + +/** + * brcmf_p2p_remain_on_channel() - put device on channel and stay there. + * + * @wiphy: wiphy device. + * @channel: channel to stay on. + * @duration: time in ms to remain on channel. + * + */ +int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *channel, + unsigned int duration, u64 *cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + s32 err; + u16 channel_nr; + + channel_nr = ieee80211_frequency_to_channel(channel->center_freq); + brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n", channel_nr, + duration); + + err = brcmf_p2p_enable_discovery(p2p); + if (err) + goto exit; + err = brcmf_p2p_discover_listen(p2p, channel_nr, duration); + if (err) + goto exit; + + memcpy(&p2p->remain_on_channel, channel, sizeof(*channel)); + *cookie = p2p->remain_on_channel_cookie; + cfg80211_ready_on_channel(wdev, *cookie, channel, duration, GFP_KERNEL); + +exit: + return err; +} + + +/** + * brcmf_p2p_notify_listen_complete() - p2p listen has completed. + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: payload of message. Not used. + * + */ +int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + + brcmf_dbg(TRACE, "Enter\n"); + if (test_and_clear_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, + &p2p->status)) { + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + brcmf_dbg(INFO, "Listen DONE, wake up wait_next_af\n"); + complete(&p2p->wait_next_af); + } + + cfg80211_remain_on_channel_expired(&ifp->vif->wdev, + p2p->remain_on_channel_cookie, + &p2p->remain_on_channel, + GFP_KERNEL); + } + return 0; +} + + +/** + * brcmf_p2p_cancel_remain_on_channel() - cancel p2p listen state. + * + * @ifp: interfac control. + * + */ +void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp) +{ + if (!ifp) + return; + brcmf_p2p_set_discover_state(ifp, WL_P2P_DISC_ST_SCAN, 0, 0); + brcmf_p2p_notify_listen_complete(ifp, NULL, NULL); +} + + +/** + * brcmf_p2p_act_frm_search() - search function for action frame. + * + * @p2p: p2p device. + * channel: channel on which action frame is to be trasmitted. + * + * search function to reach at common channel to send action frame. When + * channel is 0 then all social channels will be used to send af + */ +static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) +{ + s32 err; + u32 channel_cnt; + u16 *default_chan_list; + u32 i; + + brcmf_dbg(TRACE, "Enter\n"); + + if (channel) + channel_cnt = AF_PEER_SEARCH_CNT; + else + channel_cnt = SOCIAL_CHAN_CNT; + default_chan_list = kzalloc(channel_cnt * sizeof(*default_chan_list), + GFP_KERNEL); + if (default_chan_list == NULL) { + brcmf_err("channel list allocation failed\n"); + err = -ENOMEM; + goto exit; + } + if (channel) { + /* insert same channel to the chan_list */ + for (i = 0; i < channel_cnt; i++) + default_chan_list[i] = + brcmf_p2p_chnr_to_chspec(channel); + } else { + default_chan_list[0] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_1); + default_chan_list[1] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_2); + default_chan_list[2] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_3); + } + err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list, + WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START, + P2PAPI_BSSCFG_DEVICE); + kfree(default_chan_list); +exit: + return err; +} + + +/** + * brcmf_p2p_afx_handler() - afx worker thread. + * + * @work: + * + */ +static void brcmf_p2p_afx_handler(struct work_struct *work) +{ + struct afx_hdl *afx_hdl = container_of(work, struct afx_hdl, afx_work); + struct brcmf_p2p_info *p2p = container_of(afx_hdl, + struct brcmf_p2p_info, + afx_hdl); + s32 err; + + if (!afx_hdl->is_active) + return; + + if (afx_hdl->is_listen && afx_hdl->my_listen_chan) + /* 100ms ~ 300ms */ + err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan, + 100 * (1 + (random32() % 3))); + else + err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan); + + if (err) { + brcmf_err("ERROR occurred! value is (%d)\n", err); + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&afx_hdl->act_frm_scan); + } +} + + +/** + * brcmf_p2p_af_searching_channel() - search channel. + * + * @p2p: p2p device info struct. + * + */ +static s32 brcmf_p2p_af_searching_channel(struct brcmf_p2p_info *p2p) +{ + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmf_cfg80211_vif *pri_vif; + unsigned long duration; + s32 retry; + + brcmf_dbg(TRACE, "Enter\n"); + + pri_vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + + INIT_COMPLETION(afx_hdl->act_frm_scan); + set_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + afx_hdl->is_active = true; + afx_hdl->peer_chan = P2P_INVALID_CHANNEL; + + /* Loop to wait until we find a peer's channel or the + * pending action frame tx is cancelled. + */ + retry = 0; + duration = msecs_to_jiffies(P2P_AF_FRM_SCAN_MAX_WAIT); + while ((retry < P2P_CHANNEL_SYNC_RETRY) && + (afx_hdl->peer_chan == P2P_INVALID_CHANNEL)) { + afx_hdl->is_listen = false; + brcmf_dbg(TRACE, "Scheduling action frame for sending.. (%d)\n", + retry); + /* search peer on peer's listen channel */ + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, duration); + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + + if (afx_hdl->my_listen_chan) { + brcmf_dbg(TRACE, "Scheduling listen peer, channel=%d\n", + afx_hdl->my_listen_chan); + /* listen on my listen channel */ + afx_hdl->is_listen = true; + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, + duration); + } + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + retry++; + + /* if sta is connected or connecting, sleep for a while before + * retry af tx or finding a peer + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &pri_vif->sme_state) || + test_bit(BRCMF_VIF_STATUS_CONNECTING, &pri_vif->sme_state)) + msleep(P2P_DEFAULT_SLEEP_TIME_VSDB); + } + + brcmf_dbg(TRACE, "Completed search/listen peer_chan=%d\n", + afx_hdl->peer_chan); + afx_hdl->is_active = false; + + clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + + return afx_hdl->peer_chan; +} + + +/** + * brcmf_p2p_scan_finding_common_channel() - was escan used for finding channel + * + * @cfg: common configuration struct. + * @bi: bss info struct, result from scan. + * + */ +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi) + +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + u8 *ie; + s32 err; + u8 p2p_dev_addr[ETH_ALEN]; + + if (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status)) + return false; + + if (bi == NULL) { + brcmf_dbg(TRACE, "ACTION FRAME SCAN Done\n"); + if (afx_hdl->peer_chan == P2P_INVALID_CHANNEL) + complete(&afx_hdl->act_frm_scan); + return true; + } + + ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); + memset(p2p_dev_addr, 0, sizeof(p2p_dev_addr)); + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_INFO, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if (err < 0) + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_ID, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if ((err >= 0) && + (!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) { + afx_hdl->peer_chan = bi->ctl_ch ? bi->ctl_ch : + CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n", + afx_hdl->tx_dst_addr, afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return true; +} + +/** + * brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete. + * + * @cfg: common configuration struct. + * + */ +static void +brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct net_device *ndev = cfg->escan_info.ndev; + + if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) && + (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) || + test_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status))) { + brcmf_dbg(TRACE, "*** Wake UP ** abort actframe iovar\n"); + /* if channel is not zero, "actfame" uses off channel scan. + * So abort scan for off channel completion. + */ + if (p2p->af_sent_channel) + brcmf_notify_escan_complete(cfg, ndev, true, true); + } else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n"); + /* So abort scan to cancel listen */ + brcmf_notify_escan_complete(cfg, ndev, true, true); + } +} + + +/** + * brcmf_p2p_gon_req_collision() - Check if go negotiaton collission + * + * @p2p: p2p device info struct. + * + * return true if recevied action frame is to be dropped. + */ +static bool +brcmf_p2p_gon_req_collision(struct brcmf_p2p_info *p2p, u8 *mac) +{ + struct brcmf_cfg80211_info *cfg = p2p->cfg; + struct brcmf_if *ifp; + + brcmf_dbg(TRACE, "Enter\n"); + + if (!test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) || + !p2p->gon_req_action) + return false; + + brcmf_dbg(TRACE, "GO Negotiation Request COLLISION !!!\n"); + /* if sa(peer) addr is less than da(my) addr, then this device + * process peer's gon request and block to send gon req. + * if not (sa addr > da addr), + * this device will process gon request and drop gon req of peer. + */ + ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp; + if (memcmp(mac, ifp->mac_addr, ETH_ALEN) < 0) { + brcmf_dbg(INFO, "Block transmit gon req !!!\n"); + p2p->block_gon_req_tx = true; + /* if we are finding a common channel for sending af, + * do not scan more to block to send current gon req + */ + if (test_and_clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&p2p->afx_hdl.act_frm_scan); + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status)) + brcmf_p2p_stop_wait_next_action_frame(cfg); + return false; + } + + /* drop gon request of peer to process gon request by this device. */ + brcmf_dbg(INFO, "Drop received gon req !!!\n"); + + return true; +} + + +/** + * brcmf_p2p_notify_action_frame_rx() - received action frame. + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: payload of message, containing action frame data. + * + */ +int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct wireless_dev *wdev; + u32 mgmt_frame_len = e->datalen - sizeof(struct brcmf_rx_mgmt_data); + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u8 *frame = (u8 *)(rxframe + 1); + struct brcmf_p2p_pub_act_frame *act_frm; + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; + u16 chanspec = be16_to_cpu(rxframe->chanspec); + struct ieee80211_mgmt *mgmt_frame; + s32 freq; + u16 mgmt_type; + u8 action; + + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_ACTION & IEEE80211_FCTL_STYPE) >> 4; + if ((ifp->vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + brcmf_p2p_print_actframe(false, frame, mgmt_frame_len); + + action = P2P_PAF_SUBTYPE_INVALID; + if (brcmf_p2p_is_pub_action(frame, mgmt_frame_len)) { + act_frm = (struct brcmf_p2p_pub_act_frame *)frame; + action = act_frm->subtype; + if ((action == P2P_PAF_GON_REQ) && + (brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) { + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status) && + (memcmp(afx_hdl->tx_dst_addr, e->addr, + ETH_ALEN) == 0)) { + afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return 0; + } + /* After complete GO Negotiation, roll back to mpc mode */ + if ((action == P2P_PAF_GON_CONF) || + (action == P2P_PAF_PROVDIS_RSP)) + brcmf_set_mpc(ifp->ndev, 1); + if (action == P2P_PAF_GON_CONF) { + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } + } else if (brcmf_p2p_is_gas_action(frame, mgmt_frame_len)) { + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + action = sd_act_frm->action; + } + + if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + (p2p->next_af_subtype == action)) { + brcmf_dbg(TRACE, "We got a right next frame! (%d)\n", action); + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + /* Stop waiting for next AF. */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } + + mgmt_frame = kzalloc(offsetof(struct ieee80211_mgmt, u) + + mgmt_frame_len, GFP_KERNEL); + if (!mgmt_frame) { + brcmf_err("No memory available for action frame\n"); + return -ENOMEM; + } + memcpy(mgmt_frame->da, ifp->mac_addr, ETH_ALEN); + brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mgmt_frame->bssid, + ETH_ALEN); + memcpy(mgmt_frame->sa, e->addr, ETH_ALEN); + mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION); + memcpy(&mgmt_frame->u, frame, mgmt_frame_len); + mgmt_frame_len += offsetof(struct ieee80211_mgmt, u); + + freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), + CHSPEC_IS2G(chanspec) ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + wdev = ifp->ndev->ieee80211_ptr; + cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, + GFP_ATOMIC); + + kfree(mgmt_frame); + return 0; +} + + +/** + * brcmf_p2p_notify_action_tx_complete() - transmit action frame complete + * + * @ifp: interfac control. + * @e: event message. Not used, to make it usable for fweh event dispatcher. + * @data: not used. + * + */ +int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + + brcmf_dbg(INFO, "Enter: event %s, status=%d\n", + e->event_code == BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE ? + "ACTION_FRAME_OFF_CHAN_COMPLETE" : "ACTION_FRAME_COMPLETE", + e->status); + + if (!test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status)) + return 0; + + if (e->event_code == BRCMF_E_ACTION_FRAME_COMPLETE) { + if (e->status == BRCMF_E_STATUS_SUCCESS) + set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, + &p2p->status); + else { + set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + /* If there is no ack, we don't need to wait for + * WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE event + */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } + + } else { + complete(&p2p->send_af_done); + } + return 0; +} + + +/** + * brcmf_p2p_tx_action_frame() - send action frame over fil. + * + * @p2p: p2p info struct for vif. + * @af_params: action frame data/info. + * + * Send an action frame immediately without doing channel synchronization. + * + * This function waits for a completion event before returning. + * The WLC_E_ACTION_FRAME_COMPLETE event will be received when the action + * frame is transmitted. + */ +static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p, + struct brcmf_fil_af_params_le *af_params) +{ + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + s32 timeout = 0; + + brcmf_dbg(TRACE, "Enter\n"); + + INIT_COMPLETION(p2p->send_af_done); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params, + sizeof(*af_params)); + if (err) { + brcmf_err(" sending action frame has failed\n"); + goto exit; + } + + p2p->af_sent_channel = le32_to_cpu(af_params->channel); + p2p->af_tx_sent_jiffies = jiffies; + + timeout = wait_for_completion_timeout(&p2p->send_af_done, + msecs_to_jiffies(P2P_AF_MAX_WAIT_TIME)); + + if (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status)) { + brcmf_dbg(TRACE, "TX action frame operation is success\n"); + } else { + err = -EIO; + brcmf_dbg(TRACE, "TX action frame operation has failed\n"); + } + /* clear status bit for action tx */ + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); + clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + +exit: + return err; +} + + +/** + * brcmf_p2p_pub_af_tx() - public action frame tx routine. + * + * @cfg: driver private data for cfg80211 interface. + * @af_params: action frame data/info. + * @config_af_params: configuration data for action frame. + * + * routine which transmits ation frame public type. + */ +static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, + struct brcmf_fil_af_params_le *af_params, + struct brcmf_config_af_params *config_af_params) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_p2p_pub_act_frame *act_frm; + s32 err = 0; + u16 ie_len; + + action_frame = &af_params->action_frame; + act_frm = (struct brcmf_p2p_pub_act_frame *)(action_frame->data); + + config_af_params->extra_listen = true; + + switch (act_frm->subtype) { + case P2P_PAF_GON_REQ: + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status set\n"); + set_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + config_af_params->mpc_onoff = 0; + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + p2p->gon_req_action = true; + /* increase dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_GON_RSP: + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time to wait for CONF frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_GON_CONF: + /* If we reached till GO Neg confirmation reset the filter */ + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + /* turn on mpc again if go nego is done */ + config_af_params->mpc_onoff = 1; + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_INVITE_REQ: + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_INVITE_RSP: + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_DEVDIS_REQ: + config_af_params->search_channel = true; + p2p->next_af_subtype = act_frm->subtype + 1; + /* maximize dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_LONG_DWELL_TIME); + break; + case P2P_PAF_DEVDIS_RSP: + /* minimize dwell time */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; + break; + case P2P_PAF_PROVDIS_REQ: + ie_len = le16_to_cpu(action_frame->len) - + offsetof(struct brcmf_p2p_pub_act_frame, elts); + if (cfg80211_get_p2p_attr(&act_frm->elts[0], ie_len, + IEEE80211_P2P_ATTR_GROUP_ID, + NULL, 0) < 0) + config_af_params->search_channel = true; + config_af_params->mpc_onoff = 0; + p2p->next_af_subtype = act_frm->subtype + 1; + /* increase dwell time to wait for RESP frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + break; + case P2P_PAF_PROVDIS_RSP: + /* wpa_supplicant send go nego req right after prov disc */ + p2p->next_af_subtype = P2P_PAF_GON_REQ; + /* increase dwell time to MED level */ + af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + config_af_params->extra_listen = false; + break; + default: + brcmf_err("Unknown p2p pub act frame subtype: %d\n", + act_frm->subtype); + err = -EINVAL; + } + return err; +} + +/** + * brcmf_p2p_send_action_frame() - send action frame . + * + * @cfg: driver private data for cfg80211 interface. + * @ndev: net device to transmit on. + * @af_params: configuration data for action frame. + */ +bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct brcmf_fil_af_params_le *af_params) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_config_af_params config_af_params; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + u16 action_frame_len; + bool ack = false; + u8 category; + u8 action; + s32 tx_retry; + s32 extra_listen_time; + uint delta_ms; + + action_frame = &af_params->action_frame; + action_frame_len = le16_to_cpu(action_frame->len); + + brcmf_p2p_print_actframe(true, action_frame->data, action_frame_len); + + /* Add the default dwell time. Dwell time to stay off-channel */ + /* to wait for a response action frame after transmitting an */ + /* GO Negotiation action frame */ + af_params->dwell_time = cpu_to_le32(P2P_AF_DWELL_TIME); + + category = action_frame->data[DOT11_ACTION_CAT_OFF]; + action = action_frame->data[DOT11_ACTION_ACT_OFF]; + + /* initialize variables */ + p2p->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; + p2p->gon_req_action = false; + + /* config parameters */ + config_af_params.mpc_onoff = -1; + config_af_params.search_channel = false; + config_af_params.extra_listen = false; + + if (brcmf_p2p_is_pub_action(action_frame->data, action_frame_len)) { + /* p2p public action frame process */ + if (brcmf_p2p_pub_af_tx(cfg, af_params, &config_af_params)) { + /* Just send unknown subtype frame with */ + /* default parameters. */ + brcmf_err("P2P Public action frame, unknown subtype.\n"); + } + } else if (brcmf_p2p_is_gas_action(action_frame->data, + action_frame_len)) { + /* service discovery process */ + if (action == P2PSD_ACTION_ID_GAS_IREQ || + action == P2PSD_ACTION_ID_GAS_CREQ) { + /* configure service discovery query frame */ + config_af_params.search_channel = true; + + /* save next af suptype to cancel */ + /* remaining dwell time */ + p2p->next_af_subtype = action + 1; + + af_params->dwell_time = + cpu_to_le32(P2P_AF_MED_DWELL_TIME); + } else if (action == P2PSD_ACTION_ID_GAS_IRESP || + action == P2PSD_ACTION_ID_GAS_CRESP) { + /* configure service discovery response frame */ + af_params->dwell_time = + cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + } else { + brcmf_err("Unknown action type: %d\n", action); + goto exit; + } + } else if (brcmf_p2p_is_p2p_action(action_frame->data, + action_frame_len)) { + /* do not configure anything. it will be */ + /* sent with a default configuration */ + } else { + brcmf_err("Unknown Frame: category 0x%x, action 0x%x\n", + category, action); + return false; + } + + /* if connecting on primary iface, sleep for a while before sending + * af tx for VSDB + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTING, + &p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->sme_state)) + msleep(50); + + /* if scan is ongoing, abort current scan. */ + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) + brcmf_abort_scanning(cfg); + + memcpy(afx_hdl->tx_dst_addr, action_frame->da, ETH_ALEN); + + /* To make sure to send successfully action frame, turn off mpc */ + if (config_af_params.mpc_onoff == 0) + brcmf_set_mpc(ndev, 0); + + /* set status and destination address before sending af */ + if (p2p->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { + /* set status to cancel the remained dwell time in rx process */ + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); + } + + p2p->af_sent_channel = 0; + set_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + /* validate channel and p2p ies */ + if (config_af_params.search_channel && + IS_P2P_SOCIAL_CHANNEL(le32_to_cpu(af_params->channel)) && + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->saved_ie.probe_req_ie_len) { + afx_hdl = &p2p->afx_hdl; + afx_hdl->peer_listen_chan = le32_to_cpu(af_params->channel); + + if (brcmf_p2p_af_searching_channel(p2p) == + P2P_INVALID_CHANNEL) { + brcmf_err("Couldn't find peer's channel.\n"); + goto exit; + } + + /* Abort scan even for VSDB scenarios. Scan gets aborted in + * firmware but after the check of piggyback algorithm. To take + * care of current piggback algo, lets abort the scan here + * itself. + */ + brcmf_notify_escan_complete(cfg, ndev, true, true); + + /* update channel */ + af_params->channel = cpu_to_le32(afx_hdl->peer_chan); + } + + tx_retry = 0; + while (!p2p->block_gon_req_tx && + (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) { + ack = !brcmf_p2p_tx_action_frame(p2p, af_params); + tx_retry++; + } + if (ack == false) { + brcmf_err("Failed to send Action Frame(retry %d)\n", tx_retry); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } + +exit: + clear_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + + /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. + * if we coundn't get the next action response frame and dongle does + * not keep the dwell time, go to listen state again to get next action + * response frame. + */ + if (ack && config_af_params.extra_listen && !p2p->block_gon_req_tx && + test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + p2p->af_sent_channel == afx_hdl->my_listen_chan) { + delta_ms = jiffies_to_msecs(jiffies - p2p->af_tx_sent_jiffies); + if (le32_to_cpu(af_params->dwell_time) > delta_ms) + extra_listen_time = le32_to_cpu(af_params->dwell_time) - + delta_ms; + else + extra_listen_time = 0; + if (extra_listen_time > 50) { + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + brcmf_dbg(INFO, "Wait more time! actual af time:%d, calculated extra listen:%d\n", + le32_to_cpu(af_params->dwell_time), + extra_listen_time); + extra_listen_time += 100; + if (!brcmf_p2p_discover_listen(p2p, + p2p->af_sent_channel, + extra_listen_time)) { + unsigned long duration; + + extra_listen_time += 100; + duration = msecs_to_jiffies(extra_listen_time); + wait_for_completion_timeout(&p2p->wait_next_af, + duration); + } + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + } + } + + if (p2p->block_gon_req_tx) { + /* if ack is true, supplicant will wait more time(100ms). + * so we will return it as a success to get more time . + */ + p2p->block_gon_req_tx = false; + ack = true; + } + + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); + /* if all done, turn mpc on again */ + if (config_af_params.mpc_onoff == 1) + brcmf_set_mpc(ndev, 1); + + return ack; +} + +/** + * brcmf_p2p_notify_rx_mgmt_p2p_probereq() - Event handler for p2p probe req. + * + * @ifp: interface pointer for which event was received. + * @e: even message. + * @data: payload of event message (probe request). + */ +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct wireless_dev *wdev; + struct brcmf_cfg80211_vif *vif = ifp->vif; + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u16 chanspec = be16_to_cpu(rxframe->chanspec); + u8 *mgmt_frame; + u32 mgmt_frame_len; + s32 freq; + u16 mgmt_type; + + brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, + e->reason); + + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && + (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) { + afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + + /* Firmware sends us two proberesponses for each idx one. At the */ + /* moment anything but bsscfgidx 0 is passed up to supplicant */ + if (e->bsscfgidx == 0) + return 0; + + /* Filter any P2P probe reqs arriving during the GO-NEG Phase */ + if (test_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status)) { + brcmf_dbg(INFO, "Filtering P2P probe_req in GO-NEG phase\n"); + return 0; + } + + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4; + if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + mgmt_frame = (u8 *)(rxframe + 1); + mgmt_frame_len = e->datalen - sizeof(*rxframe); + freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), + CHSPEC_IS2G(chanspec) ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + wdev = ifp->ndev->ieee80211_ptr; + cfg80211_rx_mgmt(wdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); + + brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", + mgmt_frame_len, e->datalen, chanspec, freq); + + return 0; +} + + +/** + * brcmf_p2p_attach() - attach for P2P. + * + * @cfg: driver private data for cfg80211 interface. + */ +s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_if *pri_ifp; + struct brcmf_if *p2p_ifp; + struct brcmf_cfg80211_vif *p2p_vif; + struct brcmf_p2p_info *p2p; + struct brcmf_pub *drvr; + s32 bssidx; + s32 err = 0; + + p2p = &cfg->p2p; + p2p->cfg = cfg; + + drvr = cfg->pub; + + pri_ifp = drvr->iflist[0]; + p2p_ifp = drvr->iflist[1]; + + p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif; + + if (p2p_ifp) { + p2p_vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_P2P_DEVICE, + false); + if (IS_ERR(p2p_vif)) { + brcmf_err("could not create discovery vif\n"); + err = -ENOMEM; + goto exit; + } + + p2p_vif->ifp = p2p_ifp; + p2p_ifp->vif = p2p_vif; + p2p_vif->wdev.netdev = p2p_ifp->ndev; + p2p_ifp->ndev->ieee80211_ptr = &p2p_vif->wdev; + SET_NETDEV_DEV(p2p_ifp->ndev, wiphy_dev(cfg->wiphy)); + + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif; + + brcmf_p2p_generate_bss_mac(p2p); + brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); + + /* Initialize P2P Discovery in the firmware */ + err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); + if (err < 0) { + brcmf_err("set p2p_disc error\n"); + brcmf_free_vif(p2p_vif); + goto exit; + } + /* obtain bsscfg index for P2P discovery */ + err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); + if (err < 0) { + brcmf_err("retrieving discover bsscfg index failed\n"); + brcmf_free_vif(p2p_vif); + goto exit; + } + /* Verify that firmware uses same bssidx as driver !! */ + if (p2p_ifp->bssidx != bssidx) { + brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n", + bssidx, p2p_ifp->bssidx); + brcmf_free_vif(p2p_vif); + goto exit; + } + + init_completion(&p2p->send_af_done); + INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); + init_completion(&p2p->afx_hdl.act_frm_scan); + init_completion(&p2p->wait_next_af); + } +exit: + return err; +} + + +/** + * brcmf_p2p_detach() - detach P2P. + * + * @p2p: P2P specific data. + */ +void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif != NULL) { + brcmf_p2p_cancel_remain_on_channel(vif->ifp); + brcmf_p2p_deinit_discovery(p2p); + /* remove discovery interface */ + brcmf_free_vif(vif); + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; + } + /* just set it all to zero */ + memset(p2p, 0, sizeof(*p2p)); +} + +/** + * brcmf_p2p_get_current_chanspec() - Get current operation channel. + * + * @p2p: P2P specific data. + * @chanspec: chanspec to be returned. + */ +static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p, + u16 *chanspec) +{ + struct brcmf_if *ifp; + struct brcmf_fil_chan_info_le ci; + s32 err; + + ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + + *chanspec = 11 & WL_CHANSPEC_CHAN_MASK; + + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL, &ci, sizeof(ci)); + if (!err) { + *chanspec = le32_to_cpu(ci.hw_channel) & WL_CHANSPEC_CHAN_MASK; + if (*chanspec < CH_MAX_2G_CHANNEL) + *chanspec |= WL_CHANSPEC_BAND_2G; + else + *chanspec |= WL_CHANSPEC_BAND_5G; + } + *chanspec |= WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; +} + +/** + * Change a P2P Role. + * Parameters: + * @mac: MAC address of the BSS to change a role + * Returns 0 if success. + */ +int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, + enum brcmf_fil_p2p_if_types if_type) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + struct brcmf_fil_p2p_if_le if_request; + s32 err; + u16 chanspec; + + brcmf_dbg(TRACE, "Enter\n"); + + vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + if (!vif) { + brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n"); + return -EPERM; + } + brcmf_notify_escan_complete(cfg, vif->ifp->ndev, true, true); + vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; + if (!vif) { + brcmf_err("vif for P2PAPI_BSSCFG_CONNECTION does not exist\n"); + return -EPERM; + } + brcmf_set_mpc(vif->ifp->ndev, 0); + + /* In concurrency case, STA may be already associated in a particular */ + /* channel. so retrieve the current channel of primary interface and */ + /* then start the virtual interface on that. */ + brcmf_p2p_get_current_chanspec(p2p, &chanspec); + + if_request.type = cpu_to_le16((u16)if_type); + if_request.chspec = cpu_to_le16(chanspec); + memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr)); + + brcmf_cfg80211_arm_vif_event(cfg, vif); + err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request, + sizeof(if_request)); + if (err) { + brcmf_err("p2p_ifupd FAILED, err=%d\n", err); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + return err; + } + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_CHANGE, + msecs_to_jiffies(1500)); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + if (!err) { + brcmf_err("No BRCMF_E_IF_CHANGE event received\n"); + return -EIO; + } + + err = brcmf_fil_cmd_int_set(vif->ifp, BRCMF_C_SET_SCB_TIMEOUT, + BRCMF_SCB_TIMEOUT_VALUE); + + return err; +} + +static int brcmf_p2p_request_p2p_if(struct brcmf_p2p_info *p2p, + struct brcmf_if *ifp, u8 ea[ETH_ALEN], + enum brcmf_fil_p2p_if_types iftype) +{ + struct brcmf_fil_p2p_if_le if_request; + int err; + u16 chanspec; + + /* we need a default channel */ + brcmf_p2p_get_current_chanspec(p2p, &chanspec); + + /* fill the firmware request */ + memcpy(if_request.addr, ea, ETH_ALEN); + if_request.type = cpu_to_le16((u16)iftype); + if_request.chspec = cpu_to_le16(chanspec); + + err = brcmf_fil_iovar_data_set(ifp, "p2p_ifadd", &if_request, + sizeof(if_request)); + if (err) + return err; + + return err; +} + +static int brcmf_p2p_disable_p2p_if(struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); + struct net_device *pri_ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(pri_ndev); + u8 *addr = vif->wdev.netdev->dev_addr; + + return brcmf_fil_iovar_data_set(ifp, "p2p_ifdis", addr, ETH_ALEN); +} + +static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); + struct net_device *pri_ndev = cfg_to_ndev(cfg); + struct brcmf_if *ifp = netdev_priv(pri_ndev); + u8 *addr = vif->wdev.netdev->dev_addr; + + return brcmf_fil_iovar_data_set(ifp, "p2p_ifdel", addr, ETH_ALEN); +} + +/** + * brcmf_p2p_add_vif() - create a new P2P virtual interface. + * + * @wiphy: wiphy device of new interface. + * @name: name of the new interface. + * @type: nl80211 interface type. + * @flags: TBD + * @params: TBD + */ +struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); + struct brcmf_cfg80211_vif *vif; + enum brcmf_fil_p2p_if_types iftype; + enum wl_mode mode; + int err; + + if (brcmf_cfg80211_vif_event_armed(cfg)) + return ERR_PTR(-EBUSY); + + brcmf_dbg(INFO, "adding vif \"%s\" (type=%d)\n", name, type); + + switch (type) { + case NL80211_IFTYPE_P2P_CLIENT: + iftype = BRCMF_FIL_P2P_IF_CLIENT; + mode = WL_MODE_BSS; + break; + case NL80211_IFTYPE_P2P_GO: + iftype = BRCMF_FIL_P2P_IF_GO; + mode = WL_MODE_AP; + break; + default: + return ERR_PTR(-EOPNOTSUPP); + } + + vif = brcmf_alloc_vif(cfg, type, false); + if (IS_ERR(vif)) + return (struct wireless_dev *)vif; + brcmf_cfg80211_arm_vif_event(cfg, vif); + + err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr, + iftype); + if (err) { + brcmf_cfg80211_arm_vif_event(cfg, NULL); + goto fail; + } + + /* wait for firmware event */ + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD, + msecs_to_jiffies(1500)); + brcmf_cfg80211_arm_vif_event(cfg, NULL); + if (!err) { + brcmf_err("timeout occurred\n"); + err = -EIO; + goto fail; + } + + /* interface created in firmware */ + ifp = vif->ifp; + if (!ifp) { + brcmf_err("no if pointer provided\n"); + err = -ENOENT; + goto fail; + } + + strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); + err = brcmf_net_attach(ifp, true); + if (err) { + brcmf_err("Registering netdevice failed\n"); + goto fail; + } + cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif; + /* Disable firmware roaming for P2P interface */ + brcmf_fil_iovar_int_set(ifp, "roam_off", 1); + if (iftype == BRCMF_FIL_P2P_IF_GO) { + /* set station timeout for p2p */ + brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCB_TIMEOUT, + BRCMF_SCB_TIMEOUT_VALUE); + } + return &ifp->vif->wdev; + +fail: + brcmf_free_vif(vif); + return ERR_PTR(err); +} + +/** + * brcmf_p2p_del_vif() - delete a P2P virtual interface. + * + * @wiphy: wiphy device of interface. + * @wdev: wireless device of interface. + * + * TODO: not yet supported. + */ +int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct brcmf_cfg80211_vif *vif; + unsigned long jiffie_timeout = msecs_to_jiffies(1500); + bool wait_for_disable = false; + int err; + + brcmf_dbg(TRACE, "delete P2P vif\n"); + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + + switch (vif->wdev.iftype) { + case NL80211_IFTYPE_P2P_CLIENT: + if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state)) + wait_for_disable = true; + break; + + case NL80211_IFTYPE_P2P_GO: + if (!brcmf_p2p_disable_p2p_if(vif)) + wait_for_disable = true; + break; + + case NL80211_IFTYPE_P2P_DEVICE: + default: + return -ENOTSUPP; + break; + } + + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); + + if (wait_for_disable) + wait_for_completion_timeout(&cfg->vif_disabled, + msecs_to_jiffies(500)); + + brcmf_vif_clear_mgmt_ies(vif); + + brcmf_cfg80211_arm_vif_event(cfg, vif); + err = brcmf_p2p_release_p2p_if(vif); + if (!err) { + /* wait for firmware event */ + err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_DEL, + jiffie_timeout); + if (!err) + err = -EIO; + else + err = 0; + } + brcmf_cfg80211_arm_vif_event(cfg, NULL); + brcmf_free_vif(vif); + p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; + + return err; +} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h new file mode 100644 index 000000000000..6821b26224be --- /dev/null +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h @@ -0,0 +1,183 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef WL_CFGP2P_H_ +#define WL_CFGP2P_H_ + +#include <net/cfg80211.h> + +struct brcmf_cfg80211_info; + +/** + * enum p2p_bss_type - different type of BSS configurations. + * + * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg. + * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg. + * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg. + * @P2PAPI_BSSCFG_MAX: used for range checking. + */ +enum p2p_bss_type { + P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */ + P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */ + P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */ + P2PAPI_BSSCFG_MAX +}; + +/** + * struct p2p_bss - peer-to-peer bss related information. + * + * @vif: virtual interface of this P2P bss. + * @private_data: TBD + */ +struct p2p_bss { + struct brcmf_cfg80211_vif *vif; + void *private_data; +}; + +/** + * enum brcmf_p2p_status - P2P specific dongle status. + * + * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle. + * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED? + * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle. + * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle. + * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle. + * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed. + * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. + * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. + * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. + * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. + * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. + * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. + * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. + */ +enum brcmf_p2p_status { + BRCMF_P2P_STATUS_ENABLED, + BRCMF_P2P_STATUS_IF_ADD, + BRCMF_P2P_STATUS_IF_DEL, + BRCMF_P2P_STATUS_IF_DELETING, + BRCMF_P2P_STATUS_IF_CHANGING, + BRCMF_P2P_STATUS_IF_CHANGED, + BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, + BRCMF_P2P_STATUS_ACTION_TX_NOACK, + BRCMF_P2P_STATUS_GO_NEG_PHASE, + BRCMF_P2P_STATUS_DISCOVER_LISTEN, + BRCMF_P2P_STATUS_SENDING_ACT_FRAME, + BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL +}; + +/** + * struct afx_hdl - action frame off channel storage. + * + * @afx_work: worker thread for searching channel + * @act_frm_scan: thread synchronizing struct. + * @is_active: channel searching active. + * @peer_chan: current channel. + * @is_listen: sets mode for afx worker. + * @my_listen_chan: this peers listen channel. + * @peer_listen_chan: remote peers listen channel. + * @tx_dst_addr: mac address where tx af should be sent to. + */ +struct afx_hdl { + struct work_struct afx_work; + struct completion act_frm_scan; + bool is_active; + s32 peer_chan; + bool is_listen; + u16 my_listen_chan; + u16 peer_listen_chan; + u8 tx_dst_addr[ETH_ALEN]; +}; + +/** + * struct brcmf_p2p_info - p2p specific driver information. + * + * @cfg: driver private data for cfg80211 interface. + * @status: status of P2P (see enum brcmf_p2p_status). + * @dev_addr: P2P device address. + * @int_addr: P2P interface address. + * @bss_idx: informate for P2P bss types. + * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state. + * @ssid: ssid for P2P GO. + * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state. + * @remain_on_channel: contains copy of struct used by cfg80211. + * @remain_on_channel_cookie: cookie counter for remain on channel cmd + * @next_af_subtype: expected action frame subtype. + * @send_af_done: indication that action frame tx is complete. + * @afx_hdl: action frame search handler info. + * @af_sent_channel: channel action frame is sent. + * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. + * @wait_next_af: thread synchronizing struct. + * @gon_req_action: about to send go negotiation requets frame. + * @block_gon_req_tx: drop tx go negotiation requets frame. + */ +struct brcmf_p2p_info { + struct brcmf_cfg80211_info *cfg; + unsigned long status; + u8 dev_addr[ETH_ALEN]; + u8 int_addr[ETH_ALEN]; + struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX]; + struct timer_list listen_timer; + struct brcmf_ssid ssid; + u8 listen_channel; + struct ieee80211_channel remain_on_channel; + u32 remain_on_channel_cookie; + u8 next_af_subtype; + struct completion send_af_done; + struct afx_hdl afx_hdl; + u32 af_sent_channel; + unsigned long af_tx_sent_jiffies; + struct completion wait_next_af; + bool gon_req_action; + bool block_gon_req_tx; +}; + +s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg); +void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); +struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params); +int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); +int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, + enum brcmf_fil_p2p_if_types if_type); +int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); +void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); +int brcmf_p2p_scan_prep(struct wiphy *wiphy, + struct cfg80211_scan_request *request, + struct brcmf_cfg80211_vif *vif); +int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *channel, + unsigned int duration, u64 *cookie); +int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); +int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct brcmf_fil_af_params_le *af_params); +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi); +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); +#endif /* WL_CFGP2P_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index bc5a042c9a96..42289e9ea886 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -420,10 +420,6 @@ static void brcmf_usb_tx_complete(struct urb *urb) brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, req->skb); brcmf_usb_del_fromq(devinfo, req); - if (urb->status == 0) - devinfo->bus_pub.bus->dstats.tx_packets++; - else - devinfo->bus_pub.bus->dstats.tx_errors++; brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); @@ -450,10 +446,7 @@ static void brcmf_usb_rx_complete(struct urb *urb) req->skb = NULL; /* zero lenght packets indicate usb "failure". Do not refill */ - if (urb->status == 0 && urb->actual_length) { - devinfo->bus_pub.bus->dstats.rx_packets++; - } else { - devinfo->bus_pub.bus->dstats.rx_errors++; + if (urb->status != 0 || !urb->actual_length) { brcmu_pkt_buf_free_skb(skb); brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); return; @@ -1256,6 +1249,8 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) bus->bus_priv.usb = bus_pub; dev_set_drvdata(dev, bus); bus->ops = &brcmf_usb_bus_ops; + bus->chip = bus_pub->devid; + bus->chiprev = bus_pub->chiprev; /* Attach to the common driver interface */ ret = brcmf_attach(0, dev); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 62a528e8b958..cecc3eff72e9 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -26,6 +26,8 @@ #include <brcmu_wifi.h> #include "dhd.h" #include "dhd_dbg.h" +#include "fwil_types.h" +#include "p2p.h" #include "wl_cfg80211.h" #include "fwil.h" @@ -41,16 +43,13 @@ #define BRCMF_PNO_SCAN_COMPLETE 1 #define BRCMF_PNO_SCAN_INCOMPLETE 0 -#define BRCMF_IFACE_MAX_CNT 2 +#define BRCMF_IFACE_MAX_CNT 3 -#define TLV_LEN_OFF 1 /* length offset */ -#define TLV_HDR_LEN 2 /* header length */ -#define TLV_BODY_OFF 2 /* body offset */ -#define TLV_OUI_LEN 3 /* oui id length */ #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ #define WPA_OUI_TYPE 1 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ #define WME_OUI_TYPE 2 +#define WPS_OUI_TYPE 4 #define VS_IE_FIXED_HDR_LEN 6 #define WPA_IE_VERSION_LEN 2 @@ -76,13 +75,15 @@ #define VNDR_IE_PKTFLAG_OFFSET 8 #define VNDR_IE_VSIE_OFFSET 12 #define VNDR_IE_HDR_SIZE 12 -#define VNDR_IE_BEACON_FLAG 0x1 -#define VNDR_IE_PRBRSP_FLAG 0x2 -#define MAX_VNDR_IE_NUMBER 5 +#define VNDR_IE_PARSE_LIMIT 5 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ +#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 +#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 +#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 + #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) @@ -271,13 +272,6 @@ static const u32 __wl_cipher_suites[] = { WLAN_CIPHER_SUITE_AES_CMAC, }; -/* tag_ID/length/value_buffer tuple */ -struct brcmf_tlv { - u8 id; - u8 len; - u8 data[1]; -}; - /* Vendor specific ie. id = 221, oui and type defines exact ie */ struct brcmf_vs_tlv { u8 id; @@ -294,7 +288,7 @@ struct parsed_vndr_ie_info { struct parsed_vndr_ies { u32 count; - struct parsed_vndr_ie_info ie_info[MAX_VNDR_IE_NUMBER]; + struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; }; /* Quarter dBm units to mW @@ -381,7 +375,7 @@ static u8 brcmf_mw_to_qdbm(u16 mw) return qdbm; } -static u16 channel_to_chanspec(struct ieee80211_channel *ch) +u16 channel_to_chanspec(struct ieee80211_channel *ch) { u16 chanspec; @@ -393,19 +387,92 @@ static u16 channel_to_chanspec(struct ieee80211_channel *ch) else chanspec |= WL_CHANSPEC_BAND_5G; - if (ch->flags & IEEE80211_CHAN_NO_HT40) { - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; - } else { - chanspec |= WL_CHANSPEC_BW_40; - if (ch->flags & IEEE80211_CHAN_NO_HT40PLUS) - chanspec |= WL_CHANSPEC_CTL_SB_LOWER; - else - chanspec |= WL_CHANSPEC_CTL_SB_UPPER; - } + chanspec |= WL_CHANSPEC_BW_20; + chanspec |= WL_CHANSPEC_CTL_SB_NONE; + return chanspec; } +/* Traverse a string of 1-byte tag/1-byte length/variable-length value + * triples, returning a pointer to the substring whose first element + * matches tag + */ +struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) +{ + struct brcmf_tlv *elt; + int totlen; + + elt = (struct brcmf_tlv *)buf; + totlen = buflen; + + /* find tagged parameter */ + while (totlen >= TLV_HDR_LEN) { + int len = elt->len; + + /* validate remaining totlen */ + if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) + return elt; + + elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); + totlen -= (len + TLV_HDR_LEN); + } + + return NULL; +} + +/* Is any of the tlvs the expected entry? If + * not update the tlvs buffer pointer/length. + */ +static bool +brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len, + u8 *oui, u32 oui_len, u8 type) +{ + /* If the contents match the OUI and the type */ + if (ie[TLV_LEN_OFF] >= oui_len + 1 && + !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && + type == ie[TLV_BODY_OFF + oui_len]) { + return true; + } + + if (tlvs == NULL) + return false; + /* point to the next ie */ + ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; + /* calculate the length of the rest of the buffer */ + *tlvs_len -= (int)(ie - *tlvs); + /* update the pointer to the start of the buffer */ + *tlvs = ie; + + return false; +} + +static struct brcmf_vs_tlv * +brcmf_find_wpaie(u8 *parse, u32 len) +{ + struct brcmf_tlv *ie; + + while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { + if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, + WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) + return (struct brcmf_vs_tlv *)ie; + } + return NULL; +} + +static struct brcmf_vs_tlv * +brcmf_find_wpsie(u8 *parse, u32 len) +{ + struct brcmf_tlv *ie; + + while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { + if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, + WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) + return (struct brcmf_vs_tlv *)ie; + } + return NULL; +} + + static void convert_key_from_CPU(struct brcmf_wsec_key *key, struct brcmf_wsec_key_le *key_le) { @@ -438,11 +505,153 @@ send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key) return err; } +static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, + const char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) +{ + brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); + switch (type) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_MESH_POINT: + return ERR_PTR(-EOPNOTSUPP); + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + return brcmf_p2p_add_vif(wiphy, name, type, flags, params); + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_P2P_DEVICE: + default: + return ERR_PTR(-EINVAL); + } +} + +void brcmf_set_mpc(struct net_device *ndev, int mpc) +{ + struct brcmf_if *ifp = netdev_priv(ndev); + s32 err = 0; + + if (check_vif_up(ifp->vif)) { + err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); + if (err) { + brcmf_err("fail to set mpc\n"); + return; + } + brcmf_dbg(INFO, "MPC : %d\n", mpc); + } +} + +s32 +brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + bool aborted, bool fw_abort) +{ + struct brcmf_scan_params_le params_le; + struct cfg80211_scan_request *scan_request; + s32 err = 0; + + brcmf_dbg(SCAN, "Enter\n"); + + /* clear scan request, because the FW abort can cause a second call */ + /* to this functon and might cause a double cfg80211_scan_done */ + scan_request = cfg->scan_request; + cfg->scan_request = NULL; + + if (timer_pending(&cfg->escan_timeout)) + del_timer_sync(&cfg->escan_timeout); + + if (fw_abort) { + /* Do a scan abort to stop the driver's scan engine */ + brcmf_dbg(SCAN, "ABORT scan in firmware\n"); + memset(¶ms_le, 0, sizeof(params_le)); + memset(params_le.bssid, 0xFF, ETH_ALEN); + params_le.bss_type = DOT11_BSSTYPE_ANY; + params_le.scan_type = 0; + params_le.channel_num = cpu_to_le32(1); + params_le.nprobes = cpu_to_le32(1); + params_le.active_time = cpu_to_le32(-1); + params_le.passive_time = cpu_to_le32(-1); + params_le.home_time = cpu_to_le32(-1); + /* Scan is aborted by setting channel_list[0] to -1 */ + params_le.channel_list[0] = cpu_to_le16(-1); + /* E-Scan (or anyother type) can be aborted by SCAN */ + err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SCAN, + ¶ms_le, sizeof(params_le)); + if (err) + brcmf_err("Scan abort failed\n"); + } + /* + * e-scan can be initiated by scheduled scan + * which takes precedence. + */ + if (cfg->sched_escan) { + brcmf_dbg(SCAN, "scheduled scan completed\n"); + cfg->sched_escan = false; + if (!aborted) + cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); + brcmf_set_mpc(ndev, 1); + } else if (scan_request) { + brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", + aborted ? "Aborted" : "Done"); + cfg80211_scan_done(scan_request, aborted); + brcmf_set_mpc(ndev, 1); + } + if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) + brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); + + return err; +} + +static +int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct net_device *ndev = wdev->netdev; + + /* vif event pending in firmware */ + if (brcmf_cfg80211_vif_event_armed(cfg)) + return -EBUSY; + + if (ndev) { + if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && + cfg->escan_info.ndev == ndev) + brcmf_notify_escan_complete(cfg, ndev, true, + true); + + brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); + } + + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_MESH_POINT: + return -EOPNOTSUPP; + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + return brcmf_p2p_del_vif(wiphy, wdev); + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_P2P_DEVICE: + default: + return -EINVAL; + } + return -EOPNOTSUPP; +} + static s32 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_cfg80211_vif *vif = ifp->vif; s32 infra = 0; @@ -462,10 +671,23 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, infra = 0; break; case NL80211_IFTYPE_STATION: + /* Ignore change for p2p IF. Unclear why supplicant does this */ + if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || + (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) { + brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); + /* WAR: It is unexpected to get a change of VIF for P2P + * IF, but it happens. The request can not be handled + * but returning EPERM causes a crash. Returning 0 + * without setting ieee80211_ptr->iftype causes trace + * (WARN_ON) but it works with wpa_supplicant + */ + return 0; + } vif->mode = WL_MODE_BSS; infra = 1; break; case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: vif->mode = WL_MODE_AP; ap = 1; break; @@ -475,8 +697,14 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, } if (ap) { - set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state); - brcmf_dbg(INFO, "IF Type = AP\n"); + if (type == NL80211_IFTYPE_P2P_GO) { + brcmf_dbg(INFO, "IF Type = P2P GO\n"); + err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); + } + if (!err) { + set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state); + brcmf_dbg(INFO, "IF Type = AP\n"); + } } else { err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); if (err) { @@ -495,21 +723,6 @@ done: return err; } -static void brcmf_set_mpc(struct net_device *ndev, int mpc) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err = 0; - - if (check_vif_up(ifp->vif)) { - err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); - if (err) { - brcmf_err("fail to set mpc\n"); - return; - } - brcmf_dbg(INFO, "MPC : %d\n", mpc); - } -} - static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, struct cfg80211_scan_request *request) { @@ -590,69 +803,6 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, } static s32 -brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - bool aborted, bool fw_abort) -{ - struct brcmf_scan_params_le params_le; - struct cfg80211_scan_request *scan_request; - s32 err = 0; - - brcmf_dbg(SCAN, "Enter\n"); - - /* clear scan request, because the FW abort can cause a second call */ - /* to this functon and might cause a double cfg80211_scan_done */ - scan_request = cfg->scan_request; - cfg->scan_request = NULL; - - if (timer_pending(&cfg->escan_timeout)) - del_timer_sync(&cfg->escan_timeout); - - if (fw_abort) { - /* Do a scan abort to stop the driver's scan engine */ - brcmf_dbg(SCAN, "ABORT scan in firmware\n"); - memset(¶ms_le, 0, sizeof(params_le)); - memset(params_le.bssid, 0xFF, ETH_ALEN); - params_le.bss_type = DOT11_BSSTYPE_ANY; - params_le.scan_type = 0; - params_le.channel_num = cpu_to_le32(1); - params_le.nprobes = cpu_to_le32(1); - params_le.active_time = cpu_to_le32(-1); - params_le.passive_time = cpu_to_le32(-1); - params_le.home_time = cpu_to_le32(-1); - /* Scan is aborted by setting channel_list[0] to -1 */ - params_le.channel_list[0] = cpu_to_le16(-1); - /* E-Scan (or anyother type) can be aborted by SCAN */ - err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SCAN, - ¶ms_le, sizeof(params_le)); - if (err) - brcmf_err("Scan abort failed\n"); - } - /* - * e-scan can be initiated by scheduled scan - * which takes precedence. - */ - if (cfg->sched_escan) { - brcmf_dbg(SCAN, "scheduled scan completed\n"); - cfg->sched_escan = false; - if (!aborted) - cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); - brcmf_set_mpc(ndev, 1); - } else if (scan_request) { - brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", - aborted ? "Aborted" : "Done"); - cfg80211_scan_done(scan_request, aborted); - brcmf_set_mpc(ndev, 1); - } - if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("Scan complete while device not scanning\n"); - return -EPERM; - } - - return err; -} - -static s32 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, struct cfg80211_scan_request *request, u16 action) { @@ -703,11 +853,12 @@ brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, s32 err; u32 passive_scan; struct brcmf_scan_results *results; + struct escan_info *escan = &cfg->escan_info; brcmf_dbg(SCAN, "Enter\n"); - cfg->escan_info.ndev = ndev; - cfg->escan_info.wiphy = wiphy; - cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANNING; + escan->ndev = ndev; + escan->wiphy = wiphy; + escan->escan_state = WL_ESCAN_STATE_SCANNING; passive_scan = cfg->active_scan ? 0 : 1; err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_SET_PASSIVE_SCAN, passive_scan); @@ -721,7 +872,7 @@ brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, results->count = 0; results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; - err = brcmf_run_escan(cfg, ndev, request, WL_ESCAN_ACTION_START); + err = escan->run(cfg, ndev, request, WL_ESCAN_ACTION_START); if (err) brcmf_set_mpc(ndev, 1); return err; @@ -758,6 +909,12 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, return -EAGAIN; } + /* If scan req comes for p2p0, send it over primary I/F */ + if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) { + ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; + ndev = ifp->ndev; + } + /* Arm scan timeout timer */ mod_timer(&cfg->escan_timeout, jiffies + WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); @@ -776,6 +933,11 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, cfg->scan_request = request; set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); if (escan_req) { + cfg->escan_info.run = brcmf_run_escan; + err = brcmf_p2p_scan_prep(wiphy, request, ifp->vif); + if (err) + goto scan_out; + err = brcmf_do_escan(cfg, wiphy, ndev, request); if (err) goto scan_out; @@ -933,31 +1095,6 @@ static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) memset(prof, 0, sizeof(*prof)); } -static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, - size_t *join_params_size) -{ - u16 chanspec = 0; - - if (ch != 0) { - if (ch <= CH_MAX_2G_CHANNEL) - chanspec |= WL_CHANSPEC_BAND_2G; - else - chanspec |= WL_CHANSPEC_BAND_5G; - - chanspec |= WL_CHANSPEC_BW_20; - chanspec |= WL_CHANSPEC_CTL_SB_NONE; - - *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + - sizeof(u16); - - chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); - join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); - join_params->params_le.chanspec_num = cpu_to_le32(1); - - brcmf_dbg(CONN, "channel %d, chanspec %#X\n", ch, chanspec); - } -} - static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) { s32 err = 0; @@ -988,6 +1125,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, s32 err = 0; s32 wsec = 0; s32 bcnprd; + u16 chanspec; brcmf_dbg(TRACE, "Enter\n"); if (!check_vif_up(ifp->vif)) @@ -1091,8 +1229,11 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, params->chandef.chan->center_freq); if (params->channel_fixed) { /* adding chanspec */ - brcmf_ch_to_chanspec(cfg->channel, - &join_params, &join_params_size); + chanspec = channel_to_chanspec(params->chandef.chan); + join_params.params_le.chanspec_list[0] = + cpu_to_le16(chanspec); + join_params.params_le.chanspec_num = cpu_to_le32(1); + join_params_size += sizeof(join_params.params_le); } /* set channel for starter */ @@ -1155,7 +1296,7 @@ static s32 brcmf_set_wpa_version(struct net_device *ndev, else val = WPA_AUTH_DISABLED; brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "wpa_auth", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); if (err) { brcmf_err("set wpa_auth failed (%d)\n", err); return err; @@ -1194,7 +1335,7 @@ static s32 brcmf_set_auth_type(struct net_device *ndev, break; } - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "auth", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); if (err) { brcmf_err("set auth failed (%d)\n", err); return err; @@ -1258,7 +1399,12 @@ brcmf_set_set_cipher(struct net_device *ndev, } brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "wsec", pval | gval); + /* In case of privacy, but no security and WPS then simulate */ + /* setting AES. WPS-2.0 allows no security */ + if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && + sme->privacy) + pval = AES_ENABLED; + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", pval | gval); if (err) { brcmf_err("error (%d)\n", err); return err; @@ -1280,8 +1426,8 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) s32 err = 0; if (sme->crypto.n_akm_suites) { - err = brcmf_fil_iovar_int_get(netdev_priv(ndev), - "wpa_auth", &val); + err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), + "wpa_auth", &val); if (err) { brcmf_err("could not get wpa_auth (%d)\n", err); return err; @@ -1315,8 +1461,8 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) } brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), - "wpa_auth", val); + err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), + "wpa_auth", val); if (err) { brcmf_err("could not set wpa_auth (%d)\n", err); return err; @@ -1393,9 +1539,28 @@ brcmf_set_sharedkey(struct net_device *ndev, return err; } +static +enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, + enum nl80211_auth_type type) +{ + u32 ci; + if (type == NL80211_AUTHTYPE_AUTOMATIC) { + /* shift to ignore chip revision */ + ci = brcmf_get_chip_info(ifp) >> 4; + switch (ci) { + case 43236: + brcmf_dbg(CONN, "43236 WAR: use OPEN instead of AUTO\n"); + return NL80211_AUTHTYPE_OPEN_SYSTEM; + default: + break; + } + } + return type; +} + static s32 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_connect_params *sme) + struct cfg80211_connect_params *sme) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_if *ifp = netdev_priv(ndev); @@ -1403,7 +1568,12 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, struct ieee80211_channel *chan = sme->channel; struct brcmf_join_params join_params; size_t join_params_size; - struct brcmf_ssid ssid; + struct brcmf_tlv *rsn_ie; + struct brcmf_vs_tlv *wpa_ie; + void *ie; + u32 ie_len; + struct brcmf_ext_join_params_le *ext_join_params; + u16 chanspec; s32 err = 0; @@ -1416,15 +1586,46 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, return -EOPNOTSUPP; } + if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { + /* A normal (non P2P) connection request setup. */ + ie = NULL; + ie_len = 0; + /* find the WPA_IE */ + wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); + if (wpa_ie) { + ie = wpa_ie; + ie_len = wpa_ie->len + TLV_HDR_LEN; + } else { + /* find the RSN_IE */ + rsn_ie = brcmf_parse_tlvs((u8 *)sme->ie, sme->ie_len, + WLAN_EID_RSN); + if (rsn_ie) { + ie = rsn_ie; + ie_len = rsn_ie->len + TLV_HDR_LEN; + } + } + brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); + } + + err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, + sme->ie, sme->ie_len); + if (err) + brcmf_err("Set Assoc REQ IE Failed\n"); + else + brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); + set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); if (chan) { cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); - brcmf_dbg(CONN, "channel (%d), center_req (%d)\n", - cfg->channel, chan->center_freq); - } else + chanspec = channel_to_chanspec(chan); + brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", + cfg->channel, chan->center_freq, chanspec); + } else { cfg->channel = 0; + chanspec = 0; + } brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); @@ -1434,6 +1635,7 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, goto done; } + sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); err = brcmf_set_auth_type(ndev, sme); if (err) { brcmf_err("wl_set_auth_type failed (%d)\n", err); @@ -1458,27 +1660,88 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, goto done; } + profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID), + (u32)sme->ssid_len); + memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); + if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { + profile->ssid.SSID[profile->ssid.SSID_len] = 0; + brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID, + profile->ssid.SSID_len); + } + + /* Join with specific BSSID and cached SSID + * If SSID is zero join based on BSSID only + */ + join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + + offsetof(struct brcmf_assoc_params_le, chanspec_list); + if (cfg->channel) + join_params_size += sizeof(u16); + ext_join_params = kzalloc(join_params_size, GFP_KERNEL); + if (ext_join_params == NULL) { + err = -ENOMEM; + goto done; + } + ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); + memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, + profile->ssid.SSID_len); + /*increase dwell time to receive probe response or detect Beacon + * from target AP at a noisy air only during connect command + */ + ext_join_params->scan_le.active_time = + cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); + ext_join_params->scan_le.passive_time = + cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); + /* Set up join scan parameters */ + ext_join_params->scan_le.scan_type = -1; + /* to sync with presence period of VSDB GO. + * Send probe request more frequently. Probe request will be stopped + * when it gets probe response from target AP/GO. + */ + ext_join_params->scan_le.nprobes = + cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / + BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); + ext_join_params->scan_le.home_time = cpu_to_le32(-1); + + if (sme->bssid) + memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); + else + memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN); + + if (cfg->channel) { + ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); + + ext_join_params->assoc_le.chanspec_list[0] = + cpu_to_le16(chanspec); + } + + err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, + join_params_size); + kfree(ext_join_params); + if (!err) + /* This is it. join command worked, we are done */ + goto done; + + /* join command failed, fallback to set ssid */ memset(&join_params, 0, sizeof(join_params)); join_params_size = sizeof(join_params.ssid_le); - profile->ssid.SSID_len = min_t(u32, - sizeof(ssid.SSID), (u32)sme->ssid_len); memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); - memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); - memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); - - if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) - brcmf_dbg(CONN, "ssid \"%s\", len (%d)\n", - ssid.SSID, ssid.SSID_len); + if (sme->bssid) + memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); + else + memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); - brcmf_ch_to_chanspec(cfg->channel, - &join_params, &join_params_size); + if (cfg->channel) { + join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); + join_params.params_le.chanspec_num = cpu_to_le32(1); + join_params_size += sizeof(join_params.params_le); + } err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, &join_params, join_params_size); if (err) - brcmf_err("WLC_SET_SSID failed (%d)\n", err); + brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); done: if (err) @@ -1937,7 +2200,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, goto done; } /* Report the current tx rate */ - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); + err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); if (err) { brcmf_err("Could not get rate (%d)\n", err); goto done; @@ -2060,7 +2323,7 @@ static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, if (!bss) return -ENOMEM; - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); return err; } @@ -2166,7 +2429,7 @@ static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, goto CleanUp; } - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); CleanUp: @@ -2182,78 +2445,10 @@ static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) return vif->mode == WL_MODE_IBSS; } -/* - * Traverse a string of 1-byte tag/1-byte length/variable-length value - * triples, returning a pointer to the substring whose first element - * matches tag - */ -static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) -{ - struct brcmf_tlv *elt; - int totlen; - - elt = (struct brcmf_tlv *) buf; - totlen = buflen; - - /* find tagged parameter */ - while (totlen >= TLV_HDR_LEN) { - int len = elt->len; - - /* validate remaining totlen */ - if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) - return elt; - - elt = (struct brcmf_tlv *) ((u8 *) elt + (len + TLV_HDR_LEN)); - totlen -= (len + TLV_HDR_LEN); - } - - return NULL; -} - -/* Is any of the tlvs the expected entry? If - * not update the tlvs buffer pointer/length. - */ -static bool -brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len, - u8 *oui, u32 oui_len, u8 type) -{ - /* If the contents match the OUI and the type */ - if (ie[TLV_LEN_OFF] >= oui_len + 1 && - !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && - type == ie[TLV_BODY_OFF + oui_len]) { - return true; - } - - if (tlvs == NULL) - return false; - /* point to the next ie */ - ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; - /* calculate the length of the rest of the buffer */ - *tlvs_len -= (int)(ie - *tlvs); - /* update the pointer to the start of the buffer */ - *tlvs = ie; - - return false; -} - -static struct brcmf_vs_tlv * -brcmf_find_wpaie(u8 *parse, u32 len) +static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp) { - struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { - if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - -static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg) -{ - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); struct brcmf_bss_info_le *bi; struct brcmf_ssid *ssid; struct brcmf_tlv *tim; @@ -2309,7 +2504,7 @@ update_bss_info_out: return err; } -static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) +void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) { struct escan_info *escan = &cfg->escan_info; @@ -2328,8 +2523,7 @@ static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) container_of(work, struct brcmf_cfg80211_info, escan_timeout_work); - brcmf_notify_escan_complete(cfg, - cfg->escan_info.ndev, true, true); + brcmf_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } static void brcmf_escan_timeout(unsigned long data) @@ -2406,11 +2600,6 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, brcmf_err("Invalid escan result (NULL pointer)\n"); goto exit; } - if (!cfg->scan_request) { - brcmf_dbg(SCAN, "result without cfg80211 request\n"); - goto exit; - } - if (le16_to_cpu(escan_result_le->bss_count) != 1) { brcmf_err("Invalid bss_count %d: ignoring\n", escan_result_le->bss_count); @@ -2418,6 +2607,14 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, } bss_info_le = &escan_result_le->bss_info_le; + if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) + goto exit; + + if (!cfg->scan_request) { + brcmf_dbg(SCAN, "result without cfg80211 request\n"); + goto exit; + } + bi_length = le32_to_cpu(bss_info_le->length); if (bi_length != (le32_to_cpu(escan_result_le->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { @@ -2456,6 +2653,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, list->count++; } else { cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) + goto exit; if (cfg->scan_request) { cfg->bss_list = (struct brcmf_scan_results *) cfg->escan_info.escan_buf; @@ -2464,7 +2663,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, brcmf_notify_escan_complete(cfg, ndev, aborted, false); } else - brcmf_err("Unexpected scan result 0x%x\n", status); + brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", + status); } exit: return err; @@ -2968,9 +3168,8 @@ static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) } #endif -static s32 brcmf_configure_opensecurity(struct net_device *ndev, s32 bssidx) +static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) { - struct brcmf_if *ifp = netdev_priv(ndev); s32 err; /* set auth */ @@ -3229,7 +3428,7 @@ brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, parsed_info->vndrie.oui[2], parsed_info->vndrie.oui_type); - if (vndr_ies->count >= MAX_VNDR_IE_NUMBER) + if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) break; next: remaining_len -= (ie->len + TLV_HDR_LEN); @@ -3263,7 +3462,6 @@ brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) return ie_len + VNDR_IE_HDR_SIZE; } -static s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, const u8 *vndr_ie_buf, u32 vndr_ie_len) { @@ -3295,24 +3493,28 @@ s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, if (!iovar_ie_buf) return -ENOMEM; curr_ie_buf = iovar_ie_buf; - if (ifp->vif->mode == WL_MODE_AP) { - switch (pktflag) { - case VNDR_IE_PRBRSP_FLAG: - mgmt_ie_buf = saved_ie->probe_res_ie; - mgmt_ie_len = &saved_ie->probe_res_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); - break; - case VNDR_IE_BEACON_FLAG: - mgmt_ie_buf = saved_ie->beacon_ie; - mgmt_ie_len = &saved_ie->beacon_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); - break; - default: - err = -EPERM; - brcmf_err("not suitable type\n"); - goto exit; - } - } else { + switch (pktflag) { + case BRCMF_VNDR_IE_PRBREQ_FLAG: + mgmt_ie_buf = saved_ie->probe_req_ie; + mgmt_ie_len = &saved_ie->probe_req_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); + break; + case BRCMF_VNDR_IE_PRBRSP_FLAG: + mgmt_ie_buf = saved_ie->probe_res_ie; + mgmt_ie_len = &saved_ie->probe_res_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); + break; + case BRCMF_VNDR_IE_BEACON_FLAG: + mgmt_ie_buf = saved_ie->beacon_ie; + mgmt_ie_len = &saved_ie->beacon_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); + break; + case BRCMF_VNDR_IE_ASSOCREQ_FLAG: + mgmt_ie_buf = saved_ie->assoc_req_ie; + mgmt_ie_len = &saved_ie->assoc_req_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); + break; + default: err = -EPERM; brcmf_err("not suitable type\n"); goto exit; @@ -3421,6 +3623,49 @@ exit: return err; } +s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) +{ + s32 pktflags[] = { + BRCMF_VNDR_IE_PRBREQ_FLAG, + BRCMF_VNDR_IE_PRBRSP_FLAG, + BRCMF_VNDR_IE_BEACON_FLAG + }; + int i; + + for (i = 0; i < ARRAY_SIZE(pktflags); i++) + brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); + + memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); + return 0; +} + +static s32 +brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, + struct cfg80211_beacon_data *beacon) +{ + s32 err; + + /* Set Beacon IEs to FW */ + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, + beacon->tail, beacon->tail_len); + if (err) { + brcmf_err("Set Beacon IE Failed\n"); + return err; + } + brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); + + /* Set Probe Response IEs to FW */ + err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, + beacon->proberesp_ies, + beacon->proberesp_ies_len); + if (err) + brcmf_err("Set Probe Resp IE Failed\n"); + else + brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); + + return err; +} + static s32 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *settings) @@ -3433,7 +3678,8 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct brcmf_tlv *rsn_ie; struct brcmf_vs_tlv *wpa_ie; struct brcmf_join_params join_params; - s32 bssidx = 0; + enum nl80211_iftype dev_role; + struct brcmf_fil_bss_enable_le bss_enable; brcmf_dbg(TRACE, "channel_type=%d, beacon_interval=%d, dtim_period=%d,\n", cfg80211_get_chandef_type(&settings->chandef), @@ -3443,10 +3689,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, settings->ssid, settings->ssid_len, settings->auth_type, settings->inactivity_timeout); - if (!test_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state)) { - brcmf_err("Not in AP creation mode\n"); - return -EPERM; - } + dev_role = ifp->vif->wdev.iftype; memset(&ssid_le, 0, sizeof(ssid_le)); if (settings->ssid == NULL || settings->ssid_len == 0) { @@ -3467,21 +3710,6 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, } brcmf_set_mpc(ndev, 0); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); - if (err < 0) { - brcmf_err("BRCMF_C_DOWN error %d\n", err); - goto exit; - } - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); - if (err < 0) { - brcmf_err("SET INFRA error %d\n", err); - goto exit; - } - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); - if (err < 0) { - brcmf_err("setting AP mode failed %d\n", err); - goto exit; - } /* find the RSN_IE */ rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, @@ -3507,27 +3735,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, } } else { brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); - brcmf_configure_opensecurity(ndev, bssidx); + brcmf_configure_opensecurity(ifp); } - /* Set Beacon IEs to FW */ - err = brcmf_vif_set_mgmt_ie(ndev_to_vif(ndev), - VNDR_IE_BEACON_FLAG, - settings->beacon.tail, - settings->beacon.tail_len); - if (err) - brcmf_err("Set Beacon IE Failed\n"); - else - brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); - /* Set Probe Response IEs to FW */ - err = brcmf_vif_set_mgmt_ie(ndev_to_vif(ndev), - VNDR_IE_PRBRSP_FLAG, - settings->beacon.proberesp_ies, - settings->beacon.proberesp_ies_len); - if (err) - brcmf_err("Set Probe Resp IE Failed\n"); - else - brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); + brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); if (settings->beacon_interval) { err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, @@ -3545,22 +3756,62 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, goto exit; } } - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); - if (err < 0) { - brcmf_err("BRCMF_C_UP error (%d)\n", err); - goto exit; + + if (dev_role == NL80211_IFTYPE_AP) { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); + if (err < 0) { + brcmf_err("BRCMF_C_DOWN error %d\n", err); + goto exit; + } + brcmf_fil_iovar_int_set(ifp, "apsta", 0); } - memset(&join_params, 0, sizeof(join_params)); - /* join parameters starts with ssid */ - memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); - /* create softap */ - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, sizeof(join_params)); + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); if (err < 0) { - brcmf_err("SET SSID error (%d)\n", err); + brcmf_err("SET INFRA error %d\n", err); goto exit; } + if (dev_role == NL80211_IFTYPE_AP) { + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); + if (err < 0) { + brcmf_err("setting AP mode failed %d\n", err); + goto exit; + } + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); + if (err < 0) { + brcmf_err("BRCMF_C_UP error (%d)\n", err); + goto exit; + } + + memset(&join_params, 0, sizeof(join_params)); + /* join parameters starts with ssid */ + memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); + /* create softap */ + err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, + &join_params, sizeof(join_params)); + if (err < 0) { + brcmf_err("SET SSID error (%d)\n", err); + goto exit; + } + brcmf_dbg(TRACE, "AP mode configuration complete\n"); + } else { + err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, + sizeof(ssid_le)); + if (err < 0) { + brcmf_err("setting ssid failed %d\n", err); + goto exit; + } + bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); + bss_enable.enable = cpu_to_le32(1); + err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, + sizeof(bss_enable)); + if (err < 0) { + brcmf_err("bss_enable config failed %d\n", err); + goto exit; + } + + brcmf_dbg(TRACE, "GO mode configuration complete\n"); + } clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); @@ -3574,10 +3825,11 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); s32 err = -EPERM; + struct brcmf_fil_bss_enable_le bss_enable; brcmf_dbg(TRACE, "Enter\n"); - if (ifp->vif->mode == WL_MODE_AP) { + if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { /* Due to most likely deauths outstanding we sleep */ /* first to make sure they get processed by fw. */ msleep(400); @@ -3591,18 +3843,41 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) brcmf_err("BRCMF_C_UP error %d\n", err); goto exit; } - brcmf_set_mpc(ndev, 1); - clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); - clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); + } else { + bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); + bss_enable.enable = cpu_to_le32(0); + err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, + sizeof(bss_enable)); + if (err < 0) + brcmf_err("bss_enable config failed %d\n", err); } + brcmf_set_mpc(ndev, 1); + set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); + clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); + exit: return err; } +static s32 +brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_beacon_data *info) +{ + struct brcmf_if *ifp = netdev_priv(ndev); + s32 err; + + brcmf_dbg(TRACE, "Enter\n"); + + err = brcmf_config_ap_mgmt_ie(ifp->vif, info); + + return err; +} + static int brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, u8 *mac) { + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_scb_val_le scbval; struct brcmf_if *ifp = netdev_priv(ndev); s32 err; @@ -3612,6 +3887,8 @@ brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, brcmf_dbg(TRACE, "Enter %pM\n", mac); + if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) + ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; if (!check_vif_up(ifp->vif)) return -EIO; @@ -3626,7 +3903,147 @@ brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, return err; } + +static void +brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, + struct wireless_dev *wdev, + u16 frame_type, bool reg) +{ + struct brcmf_if *ifp = netdev_priv(wdev->netdev); + struct brcmf_cfg80211_vif *vif = ifp->vif; + u16 mgmt_type; + + brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); + + mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; + if (reg) + vif->mgmt_rx_reg |= BIT(mgmt_type); + else + vif->mgmt_rx_reg &= ~BIT(mgmt_type); +} + + +static int +brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *chan, bool offchan, + unsigned int wait, const u8 *buf, size_t len, + bool no_cck, bool dont_wait_for_ack, u64 *cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + const struct ieee80211_mgmt *mgmt; + struct brcmf_if *ifp; + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + s32 ie_offset; + s32 ie_len; + struct brcmf_fil_action_frame_le *action_frame; + struct brcmf_fil_af_params_le *af_params; + bool ack; + s32 chan_nr; + + brcmf_dbg(TRACE, "Enter\n"); + + *cookie = 0; + + mgmt = (const struct ieee80211_mgmt *)buf; + + if (!ieee80211_is_mgmt(mgmt->frame_control)) { + brcmf_err("Driver only allows MGMT packet type\n"); + return -EPERM; + } + + if (ieee80211_is_probe_resp(mgmt->frame_control)) { + /* Right now the only reason to get a probe response */ + /* is for p2p listen response or for p2p GO from */ + /* wpa_supplicant. Unfortunately the probe is send */ + /* on primary ndev, while dongle wants it on the p2p */ + /* vif. Since this is only reason for a probe */ + /* response to be sent, the vif is taken from cfg. */ + /* If ever desired to send proberesp for non p2p */ + /* response then data should be checked for */ + /* "DIRECT-". Note in future supplicant will take */ + /* dedicated p2p wdev to do this and then this 'hack'*/ + /* is not needed anymore. */ + ie_offset = DOT11_MGMT_HDR_LEN + + DOT11_BCN_PRB_FIXED_LEN; + ie_len = len - ie_offset; + ifp = netdev_priv(wdev->netdev); + vif = ifp->vif; + if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + err = brcmf_vif_set_mgmt_ie(vif, + BRCMF_VNDR_IE_PRBRSP_FLAG, + &buf[ie_offset], + ie_len); + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, + GFP_KERNEL); + } else if (ieee80211_is_action(mgmt->frame_control)) { + af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); + if (af_params == NULL) { + brcmf_err("unable to allocate frame\n"); + err = -ENOMEM; + goto exit; + } + action_frame = &af_params->action_frame; + /* Add the packet Id */ + action_frame->packet_id = cpu_to_le32(*cookie); + /* Add BSSID */ + memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); + memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); + /* Add the length exepted for 802.11 header */ + action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); + /* Add the channel */ + chan_nr = ieee80211_frequency_to_channel(chan->center_freq); + af_params->channel = cpu_to_le32(chan_nr); + + memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], + le16_to_cpu(action_frame->len)); + + brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", + *cookie, le16_to_cpu(action_frame->len), + chan->center_freq); + + ack = brcmf_p2p_send_action_frame(cfg, wdev->netdev, + af_params); + + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, + GFP_KERNEL); + kfree(af_params); + } else { + brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); + brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); + } + +exit: + return err; +} + + +static int +brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + int err = 0; + + brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); + + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif == NULL) { + brcmf_err("No p2p device available for probe response\n"); + err = -ENODEV; + goto exit; + } + brcmf_p2p_cancel_remain_on_channel(vif->ifp); +exit: + return err; +} + static struct cfg80211_ops wl_cfg80211_ops = { + .add_virtual_intf = brcmf_cfg80211_add_iface, + .del_virtual_intf = brcmf_cfg80211_del_iface, .change_virtual_intf = brcmf_cfg80211_change_iface, .scan = brcmf_cfg80211_scan, .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, @@ -3650,28 +4067,43 @@ static struct cfg80211_ops wl_cfg80211_ops = { .flush_pmksa = brcmf_cfg80211_flush_pmksa, .start_ap = brcmf_cfg80211_start_ap, .stop_ap = brcmf_cfg80211_stop_ap, + .change_beacon = brcmf_cfg80211_change_beacon, .del_station = brcmf_cfg80211_del_station, .sched_scan_start = brcmf_cfg80211_sched_scan_start, .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, + .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, + .mgmt_tx = brcmf_cfg80211_mgmt_tx, + .remain_on_channel = brcmf_p2p_remain_on_channel, + .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, #ifdef CONFIG_NL80211_TESTMODE .testmode_cmd = brcmf_cfg80211_testmode #endif }; -static s32 brcmf_mode_to_nl80211_iftype(s32 mode) +static s32 brcmf_nl80211_iftype_to_mode(enum nl80211_iftype type) { - s32 err = 0; - - switch (mode) { - case WL_MODE_BSS: - return NL80211_IFTYPE_STATION; - case WL_MODE_IBSS: - return NL80211_IFTYPE_ADHOC; + switch (type) { + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_MESH_POINT: + return -ENOTSUPP; + case NL80211_IFTYPE_ADHOC: + return WL_MODE_IBSS; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + return WL_MODE_BSS; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + return WL_MODE_AP; + case NL80211_IFTYPE_P2P_DEVICE: + return WL_MODE_P2P; + case NL80211_IFTYPE_UNSPECIFIED: default: - return NL80211_IFTYPE_UNSPECIFIED; + break; } - return err; + return -EINVAL; } static void brcmf_wiphy_pno_params(struct wiphy *wiphy) @@ -3683,6 +4115,56 @@ static void brcmf_wiphy_pno_params(struct wiphy *wiphy) wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; } +static const struct ieee80211_iface_limit brcmf_iface_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE) + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) + }, +}; +static const struct ieee80211_iface_combination brcmf_iface_combos[] = { + { + .max_interfaces = BRCMF_IFACE_MAX_CNT, + .num_different_channels = 1, /* no multi-channel for now */ + .n_limits = ARRAY_SIZE(brcmf_iface_limits), + .limits = brcmf_iface_limits + } +}; + +static const struct ieee80211_txrx_stypes +brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + } +}; + static struct wiphy *brcmf_setup_wiphy(struct device *phydev) { struct wiphy *wiphy; @@ -3695,10 +4177,16 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) } set_wiphy_dev(wiphy, phydev); wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; + wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE); + wiphy->iface_combinations = brcmf_iface_combos; + wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set * it as 11a by default. @@ -3710,10 +4198,11 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wiphy->cipher_suites = __wl_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); - wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power - * save mode - * by default - */ + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + wiphy->mgmt_stypes = brcmf_txrx_stypes; + wiphy->max_remain_on_channel_duration = 5000; brcmf_wiphy_pno_params(wiphy); err = wiphy_register(wiphy); if (err < 0) { @@ -3724,31 +4213,25 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) return wiphy; } -static struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, - struct net_device *netdev, - s32 mode, bool pm_block) + enum nl80211_iftype type, + bool pm_block) { struct brcmf_cfg80211_vif *vif; if (cfg->vif_cnt == BRCMF_IFACE_MAX_CNT) return ERR_PTR(-ENOSPC); + brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", + sizeof(*vif)); vif = kzalloc(sizeof(*vif), GFP_KERNEL); if (!vif) return ERR_PTR(-ENOMEM); vif->wdev.wiphy = cfg->wiphy; - vif->wdev.netdev = netdev; - vif->wdev.iftype = brcmf_mode_to_nl80211_iftype(mode); - - if (netdev) { - vif->ifp = netdev_priv(netdev); - netdev->ieee80211_ptr = &vif->wdev; - SET_NETDEV_DEV(netdev, wiphy_dev(cfg->wiphy)); - } + vif->wdev.iftype = type; - vif->mode = mode; + vif->mode = brcmf_nl80211_iftype_to_mode(type); vif->pm_block = pm_block; vif->roam_off = -1; @@ -3759,7 +4242,7 @@ struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, return vif; } -static void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) +void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) { struct brcmf_cfg80211_info *cfg; struct wiphy *wiphy; @@ -3833,9 +4316,9 @@ static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) conn_info->resp_ie_len = 0; } -static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) +static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, + struct brcmf_if *ifp) { - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); struct brcmf_cfg80211_assoc_ielen_le *assoc_info; struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); u32 req_len; @@ -3911,9 +4394,9 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, brcmf_dbg(TRACE, "Enter\n"); - brcmf_get_assoc_ies(cfg); + brcmf_get_assoc_ies(cfg, ifp); memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg); + brcmf_update_bss_info(cfg, ifp); buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); if (buf == NULL) { @@ -3968,9 +4451,11 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { if (completed) { - brcmf_get_assoc_ies(cfg); + brcmf_get_assoc_ies(cfg, ifp); memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg); + brcmf_update_bss_info(cfg, ifp); + set_bit(BRCMF_VIF_STATUS_CONNECTED, + &ifp->vif->sme_state); } cfg80211_connect_result(ndev, (u8 *)profile->bssid, @@ -3981,9 +4466,6 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, completed ? WLAN_STATUS_SUCCESS : WLAN_STATUS_AUTH_TIMEOUT, GFP_KERNEL); - if (completed) - set_bit(BRCMF_VIF_STATUS_CONNECTED, - &ifp->vif->sme_state); brcmf_dbg(CONN, "Report connect result - connection %s\n", completed ? "succeeded" : "failed"); } @@ -3996,38 +4478,38 @@ brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, const struct brcmf_event_msg *e, void *data) { - s32 err = 0; + static int generation; u32 event = e->event_code; u32 reason = e->reason; - u32 len = e->datalen; - static int generation; - struct station_info sinfo; brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); - memset(&sinfo, 0, sizeof(sinfo)); + if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && + ndev != cfg_to_ndev(cfg)) { + brcmf_dbg(CONN, "AP mode link down\n"); + complete(&cfg->vif_disabled); + return 0; + } - sinfo.filled = 0; if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && - reason == BRCMF_E_STATUS_SUCCESS) { + (reason == BRCMF_E_STATUS_SUCCESS)) { + memset(&sinfo, 0, sizeof(sinfo)); sinfo.filled = STATION_INFO_ASSOC_REQ_IES; if (!data) { brcmf_err("No IEs present in ASSOC/REASSOC_IND"); return -EINVAL; } sinfo.assoc_req_ies = data; - sinfo.assoc_req_ies_len = len; + sinfo.assoc_req_ies_len = e->datalen; generation++; sinfo.generation = generation; - cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_ATOMIC); + cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); } else if ((event == BRCMF_E_DISASSOC_IND) || (event == BRCMF_E_DEAUTH_IND) || (event == BRCMF_E_DEAUTH)) { - generation++; - sinfo.generation = generation; - cfg80211_del_sta(ndev, e->addr, GFP_ATOMIC); + cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); } - return err; + return 0; } static s32 @@ -4064,6 +4546,8 @@ brcmf_notify_connect_status(struct brcmf_if *ifp, } brcmf_link_down(ifp->vif); brcmf_init_prof(ndev_to_prof(ndev)); + if (ndev != cfg_to_ndev(cfg)) + complete(&cfg->vif_disabled); } else if (brcmf_is_nonetwork(cfg, e)) { if (brcmf_is_ibssmode(ifp->vif)) clear_bit(BRCMF_VIF_STATUS_CONNECTING, @@ -4112,6 +4596,57 @@ brcmf_notify_mic_status(struct brcmf_if *ifp, return 0; } +static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + struct brcmf_cfg80211_vif *vif; + + brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n", + ifevent->action, ifevent->flags, ifevent->ifidx, + ifevent->bssidx); + + mutex_lock(&event->vif_event_lock); + event->action = ifevent->action; + vif = event->vif; + + switch (ifevent->action) { + case BRCMF_E_IF_ADD: + /* waiting process may have timed out */ + if (!cfg->vif_event.vif) + return -EBADF; + + ifp->vif = vif; + vif->ifp = ifp; + vif->wdev.netdev = ifp->ndev; + ifp->ndev->ieee80211_ptr = &vif->wdev; + SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); + mutex_unlock(&event->vif_event_lock); + wake_up(&event->vif_wq); + return 0; + + case BRCMF_E_IF_DEL: + ifp->vif = NULL; + mutex_unlock(&event->vif_event_lock); + /* event may not be upon user request */ + if (brcmf_cfg80211_vif_event_armed(cfg)) + wake_up(&event->vif_wq); + return 0; + + case BRCMF_E_IF_CHANGE: + mutex_unlock(&event->vif_event_lock); + wake_up(&event->vif_wq); + return 0; + + default: + mutex_unlock(&event->vif_event_lock); + break; + } + return -EINVAL; +} + static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) { conf->frag_threshold = (u32)-1; @@ -4143,6 +4678,18 @@ static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) brcmf_notify_connect_status); brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, brcmf_notify_sched_scan_results); + brcmf_fweh_register(cfg->pub, BRCMF_E_IF, + brcmf_notify_vif_event); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, + brcmf_p2p_notify_rx_mgmt_p2p_probereq); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, + brcmf_p2p_notify_listen_complete); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, + brcmf_p2p_notify_action_frame_rx); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, + brcmf_p2p_notify_action_tx_complete); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, + brcmf_p2p_notify_action_tx_complete); } static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) @@ -4198,7 +4745,7 @@ static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) mutex_init(&cfg->usr_sync); brcmf_init_escan(cfg); brcmf_init_conf(cfg->conf); - + init_completion(&cfg->vif_disabled); return err; } @@ -4209,6 +4756,12 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) brcmf_deinit_priv_mem(cfg); } +static void init_vif_event(struct brcmf_cfg80211_vif_event *event) +{ + init_waitqueue_head(&event->vif_wq); + mutex_init(&event->vif_event_lock); +} + struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, struct device *busdev) { @@ -4232,25 +4785,41 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, cfg = wiphy_priv(wiphy); cfg->wiphy = wiphy; cfg->pub = drvr; + init_vif_event(&cfg->vif_event); INIT_LIST_HEAD(&cfg->vif_list); - vif = brcmf_alloc_vif(cfg, ndev, WL_MODE_BSS, false); + vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); if (IS_ERR(vif)) { wiphy_free(wiphy); return NULL; } + vif->ifp = ifp; + vif->wdev.netdev = ndev; + ndev->ieee80211_ptr = &vif->wdev; + SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); + err = wl_init_priv(cfg); if (err) { brcmf_err("Failed to init iwm_priv (%d)\n", err); goto cfg80211_attach_out; } - ifp->vif = vif; + + err = brcmf_p2p_attach(cfg); + if (err) { + brcmf_err("P2P initilisation failed (%d)\n", err); + goto cfg80211_p2p_attach_out; + } + return cfg; +cfg80211_p2p_attach_out: + wl_deinit_priv(cfg); + cfg80211_attach_out: brcmf_free_vif(vif); + wiphy_free(wiphy); return NULL; } @@ -4489,3 +5058,57 @@ s32 brcmf_cfg80211_down(struct net_device *ndev) return err; } +u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state) +{ + struct brcmf_cfg80211_vif *vif; + bool result = 0; + + list_for_each_entry(vif, &cfg->vif_list, list) { + if (test_bit(state, &vif->sme_state)) + result++; + } + return result; +} + +static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, + u8 action) +{ + u8 evt_action; + + mutex_lock(&event->vif_event_lock); + evt_action = event->action; + mutex_unlock(&event->vif_event_lock); + return evt_action == action; +} + +void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + + mutex_lock(&event->vif_event_lock); + event->vif = vif; + event->action = 0; + mutex_unlock(&event->vif_event_lock); +} + +bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + bool armed; + + mutex_lock(&event->vif_event_lock); + armed = event->vif != NULL; + mutex_unlock(&event->vif_event_lock); + + return armed; +} +int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, + u8 action, ulong timeout) +{ + struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; + + return wait_event_timeout(event->vif_wq, + vif_event_equals(event, action), timeout); +} + diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h index e4d9cc7a8e63..8b5d4989906c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h @@ -41,6 +41,38 @@ #define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ #define IE_MAX_LEN 512 +/* IE TLV processing */ +#define TLV_LEN_OFF 1 /* length offset */ +#define TLV_HDR_LEN 2 /* header length */ +#define TLV_BODY_OFF 2 /* body offset */ +#define TLV_OUI_LEN 3 /* oui id length */ + +/* 802.11 Mgmt Packet flags */ +#define BRCMF_VNDR_IE_BEACON_FLAG 0x1 +#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 +#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 +#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 +#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 +#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 +/* vendor IE in IW advertisement protocol ID field */ +#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 +/* allow custom IE id */ +#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 + +/* P2P Action Frames flags (spec ordered) */ +#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 +#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 +#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 +#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 +#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 +#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 +#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 +#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 +#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 + +#define BRCMF_VNDR_IE_P2PAF_SHIFT 12 + + /** * enum brcmf_scan_status - dongle scan status * @@ -52,11 +84,19 @@ enum brcmf_scan_status { BRCMF_SCAN_STATUS_ABORT, }; -/* wi-fi mode */ +/** + * enum wl_mode - driver mode of virtual interface. + * + * @WL_MODE_BSS: connects to BSS. + * @WL_MODE_IBSS: operate as ad-hoc. + * @WL_MODE_AP: operate as access-point. + * @WL_MODE_P2P: provide P2P discovery. + */ enum wl_mode { WL_MODE_BSS, WL_MODE_IBSS, - WL_MODE_AP + WL_MODE_AP, + WL_MODE_P2P }; /* dongle configuration */ @@ -108,6 +148,7 @@ struct brcmf_cfg80211_profile { * @BRCMF_VIF_STATUS_READY: ready for operation. * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully. + * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation. * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. */ @@ -115,6 +156,7 @@ enum brcmf_vif_status { BRCMF_VIF_STATUS_READY, BRCMF_VIF_STATUS_CONNECTING, BRCMF_VIF_STATUS_CONNECTED, + BRCMF_VIF_STATUS_DISCONNECTING, BRCMF_VIF_STATUS_AP_CREATING, BRCMF_VIF_STATUS_AP_CREATED }; @@ -122,16 +164,22 @@ enum brcmf_vif_status { /** * struct vif_saved_ie - holds saved IEs for a virtual interface. * + * @probe_req_ie: IE info for probe request. * @probe_res_ie: IE info for probe response. * @beacon_ie: IE info for beacon frame. + * @probe_req_ie_len: IE info length for probe request. * @probe_res_ie_len: IE info length for probe response. * @beacon_ie_len: IE info length for beacon frame. */ struct vif_saved_ie { + u8 probe_req_ie[IE_MAX_LEN]; u8 probe_res_ie[IE_MAX_LEN]; u8 beacon_ie[IE_MAX_LEN]; + u8 assoc_req_ie[IE_MAX_LEN]; + u32 probe_req_ie_len; u32 probe_res_ie_len; u32 beacon_ie_len; + u32 assoc_req_ie_len; }; /** @@ -145,6 +193,7 @@ struct vif_saved_ie { * @sme_state: SME state using enum brcmf_vif_status bits. * @pm_block: power-management blocked. * @list: linked list. + * @mgmt_rx_reg: registered rx mgmt frame types. */ struct brcmf_cfg80211_vif { struct brcmf_if *ifp; @@ -156,6 +205,7 @@ struct brcmf_cfg80211_vif { bool pm_block; struct vif_saved_ie saved_ie; struct list_head list; + u16 mgmt_rx_reg; }; /* association inform */ @@ -189,6 +239,9 @@ struct escan_info { u8 escan_buf[WL_ESCAN_BUF_SIZE]; struct wiphy *wiphy; struct net_device *ndev; + s32 (*run)(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + struct cfg80211_scan_request *request, u16 action); }; /** @@ -273,10 +326,27 @@ struct brcmf_pno_scanresults_le { }; /** + * struct brcmf_cfg80211_vif_event - virtual interface event information. + * + * @vif_wq: waitqueue awaiting interface event from firmware. + * @vif_event_lock: protects other members in this structure. + * @vif_complete: completion for net attach. + * @action: either add, change, or delete. + * @vif: virtual interface object related to the event. + */ +struct brcmf_cfg80211_vif_event { + wait_queue_head_t vif_wq; + struct mutex vif_event_lock; + u8 action; + struct brcmf_cfg80211_vif *vif; +}; + +/** * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface * * @wiphy: wiphy object for cfg80211 interface. * @conf: dongle configuration. + * @p2p: peer-to-peer specific information. * @scan_request: cfg80211 scan request object. * @usr_sync: mainly for dongle up/down synchronization. * @bss_list: bss_list holding scanned ap information. @@ -304,10 +374,12 @@ struct brcmf_pno_scanresults_le { * @escan_ioctl_buf: dongle command buffer for escan commands. * @vif_list: linked list of vif instances. * @vif_cnt: number of vif instances. + * @vif_event: vif event signalling. */ struct brcmf_cfg80211_info { struct wiphy *wiphy; struct brcmf_cfg80211_conf *conf; + struct brcmf_p2p_info p2p; struct cfg80211_scan_request *scan_request; struct mutex usr_sync; struct brcmf_scan_results *bss_list; @@ -335,6 +407,21 @@ struct brcmf_cfg80211_info { u8 *escan_ioctl_buf; struct list_head vif_list; u8 vif_cnt; + struct brcmf_cfg80211_vif_event vif_event; + struct completion vif_disabled; +}; + +/** + * struct brcmf_tlv - tag_ID/length/value_buffer tuple. + * + * @id: tag identifier. + * @len: number of bytes in value buffer. + * @data: value buffer. + */ +struct brcmf_tlv { + u8 id; + u8 len; + u8 data[1]; }; static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) @@ -389,4 +476,26 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); s32 brcmf_cfg80211_up(struct net_device *ndev); s32 brcmf_cfg80211_down(struct net_device *ndev); +struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, + enum nl80211_iftype type, + bool pm_block); +void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); + +s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, + const u8 *vndr_ie_buf, u32 vndr_ie_len); +s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); +struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key); +u16 channel_to_chanspec(struct ieee80211_channel *ch); +u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state); +void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, + struct brcmf_cfg80211_vif *vif); +bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); +int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, + u8 action, ulong timeout); +s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, + struct net_device *ndev, + bool aborted, bool fw_abort); +void brcmf_set_mpc(struct net_device *ndev, int mpc); +void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); + #endif /* _wl_cfg80211_h_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c index cdb62b8ccc79..10ee314c4229 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c @@ -183,8 +183,7 @@ static bool brcms_c_country_valid(const char *ccode) * chars. */ if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A && - (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A && - ccode[2] == '\0')) + (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A)) return false; /* diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 62be5502b95d..8ef02dca8f8c 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -101,8 +101,6 @@ #define DOT11_RTS_LEN 16 #define DOT11_CTS_LEN 10 #define DOT11_BA_BITMAP_LEN 128 -#define DOT11_MIN_BEACON_PERIOD 1 -#define DOT11_MAX_BEACON_PERIOD 0xFFFF #define DOT11_MAXNUMFRAGS 16 #define DOT11_MAX_FRAG_LEN 2346 @@ -3140,8 +3138,7 @@ void brcms_c_reset(struct brcms_c_info *wlc) brcms_c_statsupd(wlc); /* reset our snapshot of macstat counters */ - memset((char *)wlc->core->macstat_snapshot, 0, - sizeof(struct macstat)); + memset(wlc->core->macstat_snapshot, 0, sizeof(struct macstat)); brcms_b_reset(wlc->hw); } @@ -4054,7 +4051,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, return; } - memset((char *)&acp_shm, 0, sizeof(struct shm_acparams)); + memset(&acp_shm, 0, sizeof(struct shm_acparams)); /* fill in shm ac params struct */ acp_shm.txop = params->txop; /* convert from units of 32us to us for ucode */ @@ -4770,7 +4767,7 @@ static void brcms_c_bss_default_init(struct brcms_c_info *wlc) struct brcms_bss_info *bi = wlc->default_bss; /* init default and target BSS with some sane initial values */ - memset((char *)(bi), 0, sizeof(struct brcms_bss_info)); + memset(bi, 0, sizeof(*bi)); bi->beacon_period = BEACON_INTERVAL_DEFAULT; /* fill the default channel as the first valid channel @@ -5299,7 +5296,7 @@ int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config) brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER, gmode); /* Clear rateset override */ - memset(&rs, 0, sizeof(struct brcms_c_rateset)); + memset(&rs, 0, sizeof(rs)); switch (gmode) { case GMODE_LEGACY_B: @@ -5522,7 +5519,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) if (rs->count > BRCMS_NUMRATES) return -ENOBUFS; - memset(&internal_rs, 0, sizeof(struct brcms_c_rateset)); + memset(&internal_rs, 0, sizeof(internal_rs)); /* Copy only legacy rateset section */ internal_rs.count = rs->count; @@ -5548,8 +5545,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period) { - if (period < DOT11_MIN_BEACON_PERIOD || - period > DOT11_MAX_BEACON_PERIOD) + if (period == 0) return -EINVAL; wlc->default_bss->beacon_period = period; @@ -5626,7 +5622,7 @@ int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, for (i = 0; i < BRCMS_MAXMODULES; i++) { if (!strcmp(wlc->modulecb[i].name, name) && (wlc->modulecb[i].hdl == hdl)) { - memset(&wlc->modulecb[i], 0, sizeof(struct modulecb)); + memset(&wlc->modulecb[i], 0, sizeof(wlc->modulecb[i])); return 0; } } @@ -6446,10 +6442,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, if ((txrate[k]->flags & IEEE80211_TX_RC_MCS) && (!is_mcs_rate(rspec[k]))) { - brcms_err(wlc->hw->d11core, - "wl%d: %s: IEEE80211_TX_" - "RC_MCS != is_mcs_rate(rspec)\n", - wlc->pub->unit, __func__); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: IEEE80211_TX_RC_MCS != is_mcs_rate(rspec)\n", + wlc->pub->unit, __func__); } if (is_mcs_rate(rspec[k])) { @@ -6682,11 +6677,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, (struct ofdm_phy_hdr *) rts_plcp) : rts_plcp[0]) << 8; } else { - memset((char *)txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); - memset((char *)&txh->rts_frame, 0, - sizeof(struct ieee80211_rts)); - memset((char *)txh->RTSPLCPFallback, 0, - sizeof(txh->RTSPLCPFallback)); + memset(txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); + memset(&txh->rts_frame, 0, sizeof(struct ieee80211_rts)); + memset(txh->RTSPLCPFallback, 0, sizeof(txh->RTSPLCPFallback)); txh->RTSDurFallback = 0; } @@ -6841,21 +6834,19 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, wlc->fragthresh[queue] = (u16) newfragthresh; } else { - brcms_err(wlc->hw->d11core, - "wl%d: %s txop invalid " - "for rate %d\n", - wlc->pub->unit, fifo_names[queue], - rspec2rate(rspec[0])); + brcms_warn(wlc->hw->d11core, + "wl%d: %s txop invalid for rate %d\n", + wlc->pub->unit, fifo_names[queue], + rspec2rate(rspec[0])); } if (dur > wlc->edcf_txop[ac]) - brcms_err(wlc->hw->d11core, - "wl%d: %s: %s txop " - "exceeded phylen %d/%d dur %d/%d\n", - wlc->pub->unit, __func__, - fifo_names[queue], - phylen, wlc->fragthresh[queue], - dur, wlc->edcf_txop[ac]); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: %s txop exceeded phylen %d/%d dur %d/%d\n", + wlc->pub->unit, __func__, + fifo_names[queue], + phylen, wlc->fragthresh[queue], + dur, wlc->edcf_txop[ac]); } } @@ -7330,7 +7321,7 @@ brcms_c_bcn_prb_template(struct brcms_c_info *wlc, u16 type, *len = hdr_len + body_len; /* format PHY and MAC headers */ - memset((char *)buf, 0, hdr_len); + memset(buf, 0, hdr_len); plcp = (struct cck_phy_hdr *) buf; @@ -7401,9 +7392,13 @@ brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg, bool suspend) { - u16 prb_resp[BCN_TMPL_LEN / 2]; + u16 *prb_resp; int len = BCN_TMPL_LEN; + prb_resp = kmalloc(BCN_TMPL_LEN, GFP_ATOMIC); + if (!prb_resp) + return; + /* * write the probe response to hardware, or save in * the config structure @@ -7437,6 +7432,8 @@ brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, if (suspend) brcms_c_enable_mac(wlc); + + kfree(prb_resp); } void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend) diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index 83856d1a6101..3630a41df50d 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -572,26 +572,11 @@ il3945_tx_skb(struct il_priv *il, il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id); /* Total # bytes to be transmitted */ - len = (u16) skb->len; - tx_cmd->len = cpu_to_le16(len); + tx_cmd->len = cpu_to_le16((u16) skb->len); - il_update_stats(il, true, fc, len); tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; - if (!ieee80211_has_morefrags(hdr->frame_control)) { - txq->need_update = 1; - } else { - wait_write_ptr = 1; - txq->need_update = 0; - } - - D_TX("sequence nr = 0X%x\n", le16_to_cpu(out_cmd->hdr.sequence)); - D_TX("tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); - il_print_hex_dump(il, IL_DL_TX, tx_cmd, sizeof(*tx_cmd)); - il_print_hex_dump(il, IL_DL_TX, (u8 *) tx_cmd->hdr, - ieee80211_hdrlen(fc)); - /* * Use the first empty entry in this queue's command buffer array * to contain the Tx command and MAC header concatenated together @@ -610,14 +595,8 @@ il3945_tx_skb(struct il_priv *il, * within command buffer array. */ txcmd_phys = pci_map_single(il->pci_dev, &out_cmd->hdr, len, PCI_DMA_TODEVICE); - /* we do not map meta data ... so we can safely access address to - * provide to unmap command*/ - dma_unmap_addr_set(out_meta, mapping, txcmd_phys); - dma_unmap_len_set(out_meta, len, len); - - /* Add buffer containing Tx command and MAC(!) header to TFD's - * first entry */ - il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0); + if (unlikely(pci_dma_mapping_error(il->pci_dev, txcmd_phys))) + goto drop_unlock; /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ @@ -626,10 +605,34 @@ il3945_tx_skb(struct il_priv *il, phys_addr = pci_map_single(il->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); + if (unlikely(pci_dma_mapping_error(il->pci_dev, phys_addr))) + goto drop_unlock; + } + + /* Add buffer containing Tx command and MAC(!) header to TFD's + * first entry */ + il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0); + dma_unmap_addr_set(out_meta, mapping, txcmd_phys); + dma_unmap_len_set(out_meta, len, len); + if (len) il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0, U32_PAD(len)); + + if (!ieee80211_has_morefrags(hdr->frame_control)) { + txq->need_update = 1; + } else { + wait_write_ptr = 1; + txq->need_update = 0; } + il_update_stats(il, true, fc, skb->len); + + D_TX("sequence nr = 0X%x\n", le16_to_cpu(out_cmd->hdr.sequence)); + D_TX("tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); + il_print_hex_dump(il, IL_DL_TX, tx_cmd, sizeof(*tx_cmd)); + il_print_hex_dump(il, IL_DL_TX, (u8 *) tx_cmd->hdr, + ieee80211_hdrlen(fc)); + /* Tell device the write idx *just past* this latest filled TFD */ q->write_ptr = il_queue_inc_wrap(q->write_ptr, q->n_bd); il_txq_update_write_ptr(il, txq); diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 9741ac10a334..7941eb3a0166 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -1793,8 +1793,7 @@ il4965_tx_skb(struct il_priv *il, memcpy(tx_cmd->hdr, hdr, hdr_len); /* Total # bytes to be transmitted */ - len = (u16) skb->len; - tx_cmd->len = cpu_to_le16(len); + tx_cmd->len = cpu_to_le16((u16) skb->len); if (info->control.hw_key) il4965_tx_cmd_build_hwcrypto(il, info, tx_cmd, skb, sta_id); @@ -1804,7 +1803,6 @@ il4965_tx_skb(struct il_priv *il, il4965_tx_cmd_build_rate(il, tx_cmd, info, sta, fc); - il_update_stats(il, true, fc, len); /* * Use the first empty entry in this queue's command buffer array * to contain the Tx command and MAC header concatenated together @@ -1826,18 +1824,8 @@ il4965_tx_skb(struct il_priv *il, txcmd_phys = pci_map_single(il->pci_dev, &out_cmd->hdr, firstlen, PCI_DMA_BIDIRECTIONAL); - dma_unmap_addr_set(out_meta, mapping, txcmd_phys); - dma_unmap_len_set(out_meta, len, firstlen); - /* Add buffer containing Tx command and MAC(!) header to TFD's - * first entry */ - il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0); - - if (!ieee80211_has_morefrags(hdr->frame_control)) { - txq->need_update = 1; - } else { - wait_write_ptr = 1; - txq->need_update = 0; - } + if (unlikely(pci_dma_mapping_error(il->pci_dev, txcmd_phys))) + goto drop_unlock; /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ @@ -1846,8 +1834,24 @@ il4965_tx_skb(struct il_priv *il, phys_addr = pci_map_single(il->pci_dev, skb->data + hdr_len, secondlen, PCI_DMA_TODEVICE); + if (unlikely(pci_dma_mapping_error(il->pci_dev, phys_addr))) + goto drop_unlock; + } + + /* Add buffer containing Tx command and MAC(!) header to TFD's + * first entry */ + il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0); + dma_unmap_addr_set(out_meta, mapping, txcmd_phys); + dma_unmap_len_set(out_meta, len, firstlen); + if (secondlen) il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, secondlen, 0, 0); + + if (!ieee80211_has_morefrags(hdr->frame_control)) { + txq->need_update = 1; + } else { + wait_write_ptr = 1; + txq->need_update = 0; } scratch_phys = @@ -1860,6 +1864,8 @@ il4965_tx_skb(struct il_priv *il, tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); tx_cmd->dram_msb_ptr = il_get_dma_hi_addr(scratch_phys); + il_update_stats(il, true, fc, skb->len); + D_TX("sequence nr = 0X%x\n", le16_to_cpu(out_cmd->hdr.sequence)); D_TX("tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); il_print_hex_dump(il, IL_DL_TX, (u8 *) tx_cmd, sizeof(*tx_cmd)); @@ -5733,7 +5739,7 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length) /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_NEED_DTIM_PERIOD | IEEE80211_HW_SPECTRUM_MGMT | + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; if (il->cfg->sku & IL_SKU_N) diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c index f3b8e91aa3dc..e8324b5e5bfe 100644 --- a/drivers/net/wireless/iwlegacy/4965-rs.c +++ b/drivers/net/wireless/iwlegacy/4965-rs.c @@ -1183,8 +1183,7 @@ il4965_rs_switch_to_mimo2(struct il_priv *il, struct il_lq_sta *lq_sta, if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported) return -1; - if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) == - WLAN_HT_CAP_SM_PS_STATIC) + if (sta->smps_mode == IEEE80211_SMPS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index 1f598604a79c..e006ea831320 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -1830,32 +1830,30 @@ il_set_ht_add_station(struct il_priv *il, u8 idx, struct ieee80211_sta *sta) { struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap; __le32 sta_flags; - u8 mimo_ps_mode; if (!sta || !sta_ht_inf->ht_supported) goto done; - mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; D_ASSOC("spatial multiplexing power save mode: %s\n", - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? "static" : - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? "dynamic" : + (sta->smps_mode == IEEE80211_SMPS_STATIC) ? "static" : + (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) ? "dynamic" : "disabled"); sta_flags = il->stations[idx].sta.station_flags; sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); - switch (mimo_ps_mode) { - case WLAN_HT_CAP_SM_PS_STATIC: + switch (sta->smps_mode) { + case IEEE80211_SMPS_STATIC: sta_flags |= STA_FLG_MIMO_DIS_MSK; break; - case WLAN_HT_CAP_SM_PS_DYNAMIC: + case IEEE80211_SMPS_DYNAMIC: sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; break; - case WLAN_HT_CAP_SM_PS_DISABLED: + case IEEE80211_SMPS_OFF: break; default: - IL_WARN("Invalid MIMO PS mode %d\n", mimo_ps_mode); + IL_WARN("Invalid MIMO PS mode %d\n", sta->smps_mode); break; } @@ -3162,18 +3160,23 @@ il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd) idx, il->cmd_queue); } #endif - txq->need_update = 1; - - if (il->ops->txq_update_byte_cnt_tbl) - /* Set up entry in queue's byte count circular buffer */ - il->ops->txq_update_byte_cnt_tbl(il, txq, 0); phys_addr = pci_map_single(il->pci_dev, &out_cmd->hdr, fix_size, PCI_DMA_BIDIRECTIONAL); + if (unlikely(pci_dma_mapping_error(il->pci_dev, phys_addr))) { + idx = -ENOMEM; + goto out; + } dma_unmap_addr_set(out_meta, mapping, phys_addr); dma_unmap_len_set(out_meta, len, fix_size); + txq->need_update = 1; + + if (il->ops->txq_update_byte_cnt_tbl) + /* Set up entry in queue's byte count circular buffer */ + il->ops->txq_update_byte_cnt_tbl(il, txq, 0); + il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, fix_size, 1, U32_PAD(cmd->len)); @@ -3181,6 +3184,7 @@ il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd) q->write_ptr = il_queue_inc_wrap(q->write_ptr, q->n_bd); il_txq_update_write_ptr(il, txq); +out: spin_unlock_irqrestore(&il->hcmd_lock, flags); return idx; } diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h index f41ae79e6bc0..41ec27cb6efe 100644 --- a/drivers/net/wireless/iwlwifi/dvm/agn.h +++ b/drivers/net/wireless/iwlwifi/dvm/agn.h @@ -338,7 +338,7 @@ int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - struct ieee80211_sta_ht_cap *ht_cap); + struct ieee80211_sta *sta); static inline int iwl_sta_id(struct ieee80211_sta *sta) { diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h index 8bce4b0148e0..02c9ebb3b340 100644 --- a/drivers/net/wireless/iwlwifi/dvm/commands.h +++ b/drivers/net/wireless/iwlwifi/dvm/commands.h @@ -3897,6 +3897,24 @@ struct iwlagn_wowlan_kek_kck_material_cmd { __le64 replay_ctr; } __packed; +#define RF_KILL_INDICATOR_FOR_WOWLAN 0x87 + +/* + * REPLY_WOWLAN_GET_STATUS = 0xe5 + */ +struct iwlagn_wowlan_status { + __le64 replay_ctr; + __le32 rekey_status; + __le32 wakeup_reason; + u8 pattern_number; + u8 reserved1; + __le16 qos_seq_ctr[8]; + __le16 non_qos_seq_ctr; + __le16 reserved2; + union iwlagn_all_tsc_rsc tsc_rsc; + __le16 reserved3; +} __packed; + /* * REPLY_WIPAN_PARAMS = 0xb2 (Commands and Notification) */ diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index c2f03ecd4bf8..323e4a33fcac 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -145,14 +145,13 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_NEED_DTIM_PERIOD | + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_QUEUE_CONTROL | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | - IEEE80211_HW_WANT_MONITOR_VIF | - IEEE80211_HW_SCAN_WHILE_IDLE; + IEEE80211_HW_WANT_MONITOR_VIF; hw->offchannel_tx_hw_queue = IWL_AUX_QUEUE; hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FMT; @@ -442,52 +441,154 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, return ret; } +struct iwl_resume_data { + struct iwl_priv *priv; + struct iwlagn_wowlan_status *cmd; + bool valid; +}; + +static bool iwl_resume_status_fn(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_resume_data *resume_data = data; + struct iwl_priv *priv = resume_data->priv; + u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + + if (len - 4 != sizeof(*resume_data->cmd)) { + IWL_ERR(priv, "rx wrong size data\n"); + return true; + } + memcpy(resume_data->cmd, pkt->data, sizeof(*resume_data->cmd)); + resume_data->valid = true; + + return true; +} + static int iwlagn_mac_resume(struct ieee80211_hw *hw) { struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct ieee80211_vif *vif; - unsigned long flags; - u32 base, status = 0xffffffff; - int ret = -EIO; + u32 base; + int ret; + enum iwl_d3_status d3_status; + struct error_table_start { + /* cf. struct iwl_error_event_table */ + u32 valid; + u32 error_id; + } err_info; + struct iwl_notification_wait status_wait; + static const u8 status_cmd[] = { + REPLY_WOWLAN_GET_STATUS, + }; + struct iwlagn_wowlan_status status_data = {}; + struct iwl_resume_data resume_data = { + .priv = priv, + .cmd = &status_data, + .valid = false, + }; + struct cfg80211_wowlan_wakeup wakeup = { + .pattern_idx = -1, + }; +#ifdef CONFIG_IWLWIFI_DEBUGFS + const struct fw_img *img; +#endif IWL_DEBUG_MAC80211(priv, "enter\n"); mutex_lock(&priv->mutex); - iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + /* we'll clear ctx->vif during iwlagn_prepare_restart() */ + vif = ctx->vif; + + ret = iwl_trans_d3_resume(priv->trans, &d3_status); + if (ret) + goto out_unlock; + + if (d3_status != IWL_D3_STATUS_ALIVE) { + IWL_INFO(priv, "Device was reset during suspend\n"); + goto out_unlock; + } base = priv->device_pointers.error_event_table; - if (iwlagn_hw_valid_rtc_data_addr(base)) { - if (iwl_trans_grab_nic_access(priv->trans, true, &flags)) { - iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, base); - status = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); - iwl_trans_release_nic_access(priv->trans, &flags); - ret = 0; + if (!iwlagn_hw_valid_rtc_data_addr(base)) { + IWL_WARN(priv, "Invalid error table during resume!\n"); + goto out_unlock; + } + + iwl_trans_read_mem_bytes(priv->trans, base, + &err_info, sizeof(err_info)); + + if (err_info.valid) { + IWL_INFO(priv, "error table is valid (%d, 0x%x)\n", + err_info.valid, err_info.error_id); + if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + wakeup.rfkill_release = true; + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); } + goto out_unlock; + } #ifdef CONFIG_IWLWIFI_DEBUGFS - if (ret == 0) { - const struct fw_img *img; - - img = &(priv->fw->img[IWL_UCODE_WOWLAN]); - if (!priv->wowlan_sram) { - priv->wowlan_sram = - kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len, - GFP_KERNEL); - } + img = &priv->fw->img[IWL_UCODE_WOWLAN]; + if (!priv->wowlan_sram) + priv->wowlan_sram = + kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len, + GFP_KERNEL); + + if (priv->wowlan_sram) + iwl_trans_read_mem(priv->trans, 0x800000, + priv->wowlan_sram, + img->sec[IWL_UCODE_SECTION_DATA].len / 4); +#endif - if (priv->wowlan_sram) - iwl_trans_read_mem( - priv->trans, 0x800000, - priv->wowlan_sram, - img->sec[IWL_UCODE_SECTION_DATA].len / 4); + /* + * This is very strange. The GET_STATUS command is sent but the device + * doesn't reply properly, it seems it doesn't close the RBD so one is + * always left open ... As a result, we need to send another command + * and have to reset the driver afterwards. As we need to switch to + * runtime firmware again that'll happen. + */ + + iwl_init_notification_wait(&priv->notif_wait, &status_wait, status_cmd, + ARRAY_SIZE(status_cmd), iwl_resume_status_fn, + &resume_data); + + iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_GET_STATUS, CMD_ASYNC, 0, NULL); + iwl_dvm_send_cmd_pdu(priv, REPLY_ECHO, CMD_ASYNC, 0, NULL); + /* an RBD is left open in the firmware now! */ + + ret = iwl_wait_notification(&priv->notif_wait, &status_wait, HZ/5); + if (ret) + goto out_unlock; + + if (resume_data.valid && priv->contexts[IWL_RXON_CTX_BSS].vif) { + u32 reasons = le32_to_cpu(status_data.wakeup_reason); + struct cfg80211_wowlan_wakeup *wakeup_report; + + IWL_INFO(priv, "WoWLAN wakeup reason(s): 0x%.8x\n", reasons); + + if (reasons) { + if (reasons & IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET) + wakeup.magic_pkt = true; + if (reasons & IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH) + wakeup.pattern_idx = status_data.pattern_number; + if (reasons & (IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | + IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE)) + wakeup.disconnect = true; + if (reasons & IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL) + wakeup.gtk_rekey_failure = true; + if (reasons & IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ) + wakeup.eap_identity_req = true; + if (reasons & IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE) + wakeup.four_way_handshake = true; + wakeup_report = &wakeup; + } else { + wakeup_report = NULL; } -#endif - } - /* we'll clear ctx->vif during iwlagn_prepare_restart() */ - vif = ctx->vif; + ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL); + } priv->wowlan = false; @@ -497,6 +598,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) iwl_connection_init_rx_config(priv, ctx); iwlagn_set_rxon_chain(priv, ctx); + out_unlock: mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index a131227c49e9..abe304267261 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -1289,8 +1289,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported) return -1; - if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) - == WLAN_HT_CAP_SM_PS_STATIC) + if (sta->smps_mode == IEEE80211_SMPS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ @@ -1305,7 +1304,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, tbl->max_search = IWL_MAX_SEARCH; rate_mask = lq_sta->active_mimo2_rate; - if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(priv, ctx, sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; @@ -1345,8 +1344,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv, if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported) return -1; - if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) - == WLAN_HT_CAP_SM_PS_STATIC) + if (sta->smps_mode == IEEE80211_SMPS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ @@ -1361,7 +1359,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv, tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH; rate_mask = lq_sta->active_mimo3_rate; - if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(priv, ctx, sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; @@ -1410,7 +1408,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv, tbl->max_search = IWL_MAX_SEARCH; rate_mask = lq_sta->active_siso_rate; - if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(priv, ctx, sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c index e8d5b90abf5c..a4eed2055fdb 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rx.c +++ b/drivers/net/wireless/iwlwifi/dvm/rx.c @@ -790,7 +790,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats)); - ieee80211_rx(priv->hw, skb); + ieee80211_rx_ni(priv->hw, skb); } static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index 9fabd26997ca..23be948cf162 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1545,10 +1545,9 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, bss_conf->bssid); } - if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_ADHOC && - priv->beacon_ctx) { + if (changes & BSS_CHANGED_BEACON && priv->beacon_ctx == ctx) { if (iwlagn_update_beacon(priv, vif)) - IWL_ERR(priv, "Error sending IBSS beacon\n"); + IWL_ERR(priv, "Error updating beacon\n"); } mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index ab768045696b..94ef33838bc6 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -77,7 +77,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", sta_id); - spin_lock(&priv->sta_lock); + spin_lock_bh(&priv->sta_lock); switch (add_sta_resp->status) { case ADD_STA_SUCCESS_MSK: @@ -119,7 +119,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, priv->stations[sta_id].sta.mode == STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", addsta->sta.addr); - spin_unlock(&priv->sta_lock); + spin_unlock_bh(&priv->sta_lock); return ret; } @@ -173,7 +173,7 @@ int iwl_send_add_sta(struct iwl_priv *priv, bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct iwl_rxon_context *ctx, - struct ieee80211_sta_ht_cap *ht_cap) + struct ieee80211_sta *sta) { if (!ctx->ht.enabled || !ctx->ht.is_40mhz) return false; @@ -183,20 +183,11 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, return false; #endif - /* - * Remainder of this function checks ht_cap, but if it's - * NULL then we can do HT40 (special case for RXON) - */ - if (!ht_cap) + /* special case for RXON */ + if (!sta) return true; - if (!ht_cap->ht_supported) - return false; - - if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) - return false; - - return true; + return sta->bandwidth >= IEEE80211_STA_RX_BW_40; } static void iwl_sta_calc_ht_flags(struct iwl_priv *priv, @@ -205,7 +196,6 @@ static void iwl_sta_calc_ht_flags(struct iwl_priv *priv, __le32 *flags, __le32 *mask) { struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap; - u8 mimo_ps_mode; *mask = STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK | @@ -217,26 +207,24 @@ static void iwl_sta_calc_ht_flags(struct iwl_priv *priv, if (!sta || !sta_ht_inf->ht_supported) return; - mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; - IWL_DEBUG_INFO(priv, "STA %pM SM PS mode: %s\n", sta->addr, - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? + (sta->smps_mode == IEEE80211_SMPS_STATIC) ? "static" : - (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? + (sta->smps_mode == IEEE80211_SMPS_DYNAMIC) ? "dynamic" : "disabled"); - switch (mimo_ps_mode) { - case WLAN_HT_CAP_SM_PS_STATIC: + switch (sta->smps_mode) { + case IEEE80211_SMPS_STATIC: *flags |= STA_FLG_MIMO_DIS_MSK; break; - case WLAN_HT_CAP_SM_PS_DYNAMIC: + case IEEE80211_SMPS_DYNAMIC: *flags |= STA_FLG_RTS_MIMO_PROT_MSK; break; - case WLAN_HT_CAP_SM_PS_DISABLED: + case IEEE80211_SMPS_OFF: break; default: - IWL_WARN(priv, "Invalid MIMO PS mode %d\n", mimo_ps_mode); + IWL_WARN(priv, "Invalid MIMO PS mode %d\n", sta->smps_mode); break; } @@ -246,7 +234,7 @@ static void iwl_sta_calc_ht_flags(struct iwl_priv *priv, *flags |= cpu_to_le32( (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); - if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(priv, ctx, sta)) *flags |= STA_FLG_HT40_EN_MSK; } diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index f4a013675947..d1dccb361391 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -1117,7 +1117,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> IWLAGN_TX_RES_RA_POS; - spin_lock(&priv->sta_lock); + spin_lock_bh(&priv->sta_lock); if (is_agg) iwl_rx_reply_tx_agg(priv, tx_resp); @@ -1207,7 +1207,15 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, freed++; } - WARN_ON(!is_agg && freed != 1); + if (tid != IWL_TID_NON_QOS) { + priv->tid_data[sta_id][tid].next_reclaimed = + next_reclaimed; + IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", + next_reclaimed); + } + + if (!is_agg && freed != 1) + IWL_ERR(priv, "Q: %d, freed %d\n", txq_id, freed); /* * An offchannel frame can be send only on the AUX queue, where @@ -1228,11 +1236,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, le16_to_cpu(tx_resp->seq_ctl)); iwl_check_abort_status(priv, tx_resp->frame_count, status); - spin_unlock(&priv->sta_lock); + spin_unlock_bh(&priv->sta_lock); while (!skb_queue_empty(&skbs)) { skb = __skb_dequeue(&skbs); - ieee80211_tx_status(priv->hw, skb); + ieee80211_tx_status_ni(priv->hw, skb); } if (is_offchannel_skb) @@ -1279,12 +1287,12 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, tid = ba_resp->tid; agg = &priv->tid_data[sta_id][tid].agg; - spin_lock(&priv->sta_lock); + spin_lock_bh(&priv->sta_lock); if (unlikely(!agg->wait_for_ba)) { if (unlikely(ba_resp->bitmap)) IWL_ERR(priv, "Received BA when not expected\n"); - spin_unlock(&priv->sta_lock); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -1298,7 +1306,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, IWL_DEBUG_TX_QUEUES(priv, "Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n", scd_flow, sta_id, tid, agg->txq_id); - spin_unlock(&priv->sta_lock); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -1367,11 +1375,11 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, } } - spin_unlock(&priv->sta_lock); + spin_unlock_bh(&priv->sta_lock); while (!skb_queue_empty(&reclaimed_skbs)) { skb = __skb_dequeue(&reclaimed_skbs); - ieee80211_tx_status(priv->hw, skb); + ieee80211_tx_status_ni(priv->hw, skb); } return 0; diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h index dc792584f401..4a680019e117 100644 --- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h +++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h @@ -113,13 +113,13 @@ struct iwl_cfg; * May sleep * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the * HCMD the this Rx responds to. - * Must be atomic and called with BH disabled. + * This callback may sleep, it is called from a threaded IRQ handler. * @queue_full: notifies that a HW queue is full. * Must be atomic and called with BH disabled. * @queue_not_full: notifies that a HW queue is not full any more. * Must be atomic and called with BH disabled. * @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that - * the radio is killed. Must be atomic. + * the radio is killed. May sleep. * @free_skb: allows the transport layer to free skbs that haven't been * reclaimed by the op_mode. This can happen when the driver is freed and * there are Tx packets pending in the transport layer. @@ -130,8 +130,7 @@ struct iwl_cfg; * called with BH disabled. * @nic_config: configure NIC, called before firmware is started. * May sleep - * @wimax_active: invoked when WiMax becomes active. Must be atomic and called - * with BH disabled. + * @wimax_active: invoked when WiMax becomes active. May sleep */ struct iwl_op_mode_ops { struct iwl_op_mode *(*start)(struct iwl_trans *trans, @@ -178,6 +177,7 @@ static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { + might_sleep(); return op_mode->ops->rx(op_mode, rxb, cmd); } @@ -196,6 +196,7 @@ static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode, static inline void iwl_op_mode_hw_rf_kill(struct iwl_op_mode *op_mode, bool state) { + might_sleep(); op_mode->ops->hw_rf_kill(op_mode, state); } @@ -223,6 +224,7 @@ static inline void iwl_op_mode_nic_config(struct iwl_op_mode *op_mode) static inline void iwl_op_mode_wimax_active(struct iwl_op_mode *op_mode) { + might_sleep(); op_mode->ops->wimax_active(op_mode); } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 0a3d4df5f434..8c7bec6b9a0b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -65,6 +65,7 @@ #include <linux/ieee80211.h> #include <linux/mm.h> /* for page_address */ +#include <linux/lockdep.h> #include "iwl-debug.h" #include "iwl-config.h" @@ -526,6 +527,10 @@ struct iwl_trans { struct dentry *dbgfs_dir; +#ifdef CONFIG_LOCKDEP + struct lockdep_map sync_cmd_lockdep_map; +#endif + /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ char trans_specific[0] __aligned(sizeof(void *)); @@ -602,12 +607,22 @@ static inline int iwl_trans_d3_resume(struct iwl_trans *trans, } static inline int iwl_trans_send_cmd(struct iwl_trans *trans, - struct iwl_host_cmd *cmd) + struct iwl_host_cmd *cmd) { + int ret; + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, "%s bad state = %d", __func__, trans->state); - return trans->ops->send_cmd(trans, cmd); + if (!(cmd->flags & CMD_ASYNC)) + lock_map_acquire_read(&trans->sync_cmd_lockdep_map); + + ret = trans->ops->send_cmd(trans, cmd); + + if (!(cmd->flags & CMD_ASYNC)) + lock_map_release(&trans->sync_cmd_lockdep_map); + + return ret; } static inline struct iwl_device_cmd * @@ -791,4 +806,14 @@ iwl_trans_release_nic_access(struct iwl_trans *trans, unsigned long *flags) int __must_check iwl_pci_register_driver(void); void iwl_pci_unregister_driver(void); +static inline void trans_lockdep_init(struct iwl_trans *trans) +{ +#ifdef CONFIG_LOCKDEP + static struct lock_class_key __key; + + lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map", + &__key, 0); +#endif +} + #endif /* __iwl_trans_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 9a95c374990d..c64d864799cd 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -97,14 +97,14 @@ void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, struct inet6_ifaddr *ifa; int idx = 0; - read_lock(&idev->lock); + read_lock_bh(&idev->lock); list_for_each_entry(ifa, &idev->addr_list, if_list) { mvmvif->target_ipv6_addrs[idx] = ifa->addr; idx++; if (idx >= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS) break; } - read_unlock(&idev->lock); + read_unlock_bh(&idev->lock); mvmvif->num_target_ipv6_addrs = idx; } @@ -490,7 +490,7 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return -EIO; } - ret = iwl_mvm_sta_add_to_fw(mvm, ap_sta); + ret = iwl_mvm_sta_send_to_fw(mvm, ap_sta, false); if (ret) return ret; rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta); @@ -763,6 +763,146 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) return ret; } +static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + u32 base = mvm->error_event_table; + struct error_table_start { + /* cf. struct iwl_error_event_table */ + u32 valid; + u32 error_id; + } err_info; + struct cfg80211_wowlan_wakeup wakeup = { + .pattern_idx = -1, + }; + struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup; + struct iwl_host_cmd cmd = { + .id = WOWLAN_GET_STATUSES, + .flags = CMD_SYNC | CMD_WANT_SKB, + }; + struct iwl_wowlan_status *status; + u32 reasons; + int ret, len; + bool pkt8023 = false; + struct sk_buff *pkt = NULL; + + iwl_trans_read_mem_bytes(mvm->trans, base, + &err_info, sizeof(err_info)); + + if (err_info.valid) { + IWL_INFO(mvm, "error table is valid (%d)\n", + err_info.valid); + if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + wakeup.rfkill_release = true; + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); + } + return; + } + + /* only for tracing for now */ + ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, CMD_SYNC, 0, NULL); + if (ret) + IWL_ERR(mvm, "failed to query offload statistics (%d)\n", ret); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + IWL_ERR(mvm, "failed to query status (%d)\n", ret); + return; + } + + /* RF-kill already asserted again... */ + if (!cmd.resp_pkt) + return; + + len = le32_to_cpu(cmd.resp_pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + if (len - sizeof(struct iwl_cmd_header) < sizeof(*status)) { + IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); + goto out; + } + + status = (void *)cmd.resp_pkt->data; + + if (len - sizeof(struct iwl_cmd_header) != + sizeof(*status) + le32_to_cpu(status->wake_packet_bufsize)) { + IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); + goto out; + } + + reasons = le32_to_cpu(status->wakeup_reasons); + + if (reasons == IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) { + wakeup_report = NULL; + goto report; + } + + if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET) { + wakeup.magic_pkt = true; + pkt8023 = true; + } + + if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN) { + wakeup.pattern_idx = + le16_to_cpu(status->pattern_number); + pkt8023 = true; + } + + if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)) + wakeup.disconnect = true; + + if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE) { + wakeup.gtk_rekey_failure = true; + pkt8023 = true; + } + + if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED) { + wakeup.rfkill_release = true; + pkt8023 = true; + } + + if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST) { + wakeup.eap_identity_req = true; + pkt8023 = true; + } + + if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE) { + wakeup.four_way_handshake = true; + pkt8023 = true; + } + + if (status->wake_packet_bufsize) { + u32 pktsize = le32_to_cpu(status->wake_packet_bufsize); + u32 pktlen = le32_to_cpu(status->wake_packet_length); + + if (pkt8023) { + pkt = alloc_skb(pktsize, GFP_KERNEL); + if (!pkt) + goto report; + memcpy(skb_put(pkt, pktsize), status->wake_packet, + pktsize); + if (ieee80211_data_to_8023(pkt, vif->addr, vif->type)) + goto report; + wakeup.packet = pkt->data; + wakeup.packet_present_len = pkt->len; + wakeup.packet_len = pkt->len - (pktlen - pktsize); + wakeup.packet_80211 = false; + } else { + wakeup.packet = status->wake_packet; + wakeup.packet_present_len = pktsize; + wakeup.packet_len = pktlen; + wakeup.packet_80211 = true; + } + } + + report: + ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL); + kfree_skb(pkt); + + out: + iwl_free_resp(&cmd); +} + int iwl_mvm_resume(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); @@ -770,14 +910,8 @@ int iwl_mvm_resume(struct ieee80211_hw *hw) .mvm = mvm, }; struct ieee80211_vif *vif = NULL; - u32 base; int ret; enum iwl_d3_status d3_status; - struct error_table_start { - /* cf. struct iwl_error_event_table */ - u32 valid; - u32 error_id; - } err_info; mutex_lock(&mvm->mutex); @@ -800,27 +934,7 @@ int iwl_mvm_resume(struct ieee80211_hw *hw) goto out_unlock; } - base = mvm->error_event_table; - - iwl_trans_read_mem_bytes(mvm->trans, base, - &err_info, sizeof(err_info)); - - if (err_info.valid) { - IWL_INFO(mvm, "error table is valid (%d)\n", - err_info.valid); - if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) - IWL_ERR(mvm, "this was due to RF-kill\n"); - goto out_unlock; - } - - /* TODO: get status and whatever else ... */ - ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_GET_STATUSES, CMD_SYNC, 0, NULL); - if (ret) - IWL_ERR(mvm, "failed to query status (%d)\n", ret); - - ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, CMD_SYNC, 0, NULL); - if (ret) - IWL_ERR(mvm, "failed to query offloads (%d)\n", ret); + iwl_mvm_query_wakeup_reasons(mvm, vif); out_unlock: mutex_unlock(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 9fd49db32a32..23eebda848b0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -633,6 +633,9 @@ struct iwl_binding_cmd { __le32 phy; } __packed; /* BINDING_CMD_API_S_VER_1 */ +/* The maximal number of fragments in the FW's schedule session */ +#define IWL_MVM_MAX_QUOTA 128 + /** * struct iwl_time_quota_data - configuration of time quota per binding * @id_and_color: ID and color of the relevant Binding diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 90473c2ba1c7..d3d959db03a9 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -621,10 +621,6 @@ int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, (flags & CT_KILL_CARD_DISABLED) ? "Reached" : "Not reached"); - if (flags & CARD_DISABLED_MSK) - iwl_write32(mvm->trans, CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index c08a17a3cab9..0854dc338881 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -584,7 +584,11 @@ static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mac_data_sta *ctxt_sta) { - ctxt_sta->is_assoc = cpu_to_le32(vif->bss_conf.assoc ? 1 : 0); + /* We need the dtim_period to set the MAC as associated */ + if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) + ctxt_sta->is_assoc = cpu_to_le32(1); + else + ctxt_sta->is_assoc = cpu_to_le32(0); ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int); ctxt_sta->bi_reciprocal = diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index a6b05a02cfd4..e27eb9724112 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -113,8 +113,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_QUEUE_CONTROL | IEEE80211_HW_WANT_MONITOR_VIF | - IEEE80211_HW_SCAN_WHILE_IDLE | - IEEE80211_HW_NEED_DTIM_PERIOD | + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | IEEE80211_HW_AMPDU_AGGREGATION; @@ -475,7 +474,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, if (mvm->vif_count > 1) { IWL_DEBUG_MAC80211(mvm, "Disable power on existing interfaces\n"); - ieee80211_iterate_active_interfaces( + ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_pm_disable_iterator, mvm); @@ -671,8 +670,6 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, IWL_ERR(mvm, "failed to update quotas\n"); return; } - iwl_mvm_remove_time_event(mvm, mvmvif, - &mvmvif->time_event_data); } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { /* remove AP station now that the MAC is unassoc */ ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); @@ -684,6 +681,13 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (ret) IWL_ERR(mvm, "failed to update quotas\n"); } + } else if (changes & BSS_CHANGED_DTIM_PERIOD) { + /* + * We received a beacon _after_ association so + * remove the session protection. + */ + iwl_mvm_remove_time_event(mvm, mvmvif, + &mvmvif->time_event_data); } else if (changes & BSS_CHANGED_PS) { /* * TODO: remove this temporary code. @@ -922,8 +926,10 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, ret = 0; } else if (old_state == IEEE80211_STA_AUTH && new_state == IEEE80211_STA_ASSOC) { - iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band); - ret = 0; + ret = iwl_mvm_update_sta(mvm, vif, sta); + if (ret == 0) + iwl_mvm_rs_rate_init(mvm, sta, + mvmvif->phy_ctxt->channel->band); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTHORIZED) { ret = 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 983dca3f888a..aa59adf87db3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -536,25 +536,28 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; - if (rx_h->cmd_id == pkt->hdr.cmd) { - struct iwl_async_handler_entry *entry; - if (!rx_h->async) - return rx_h->fn(mvm, rxb, cmd); - - entry = kzalloc(sizeof(*entry), GFP_ATOMIC); - /* we can't do much... */ - if (!entry) - return 0; - - entry->rxb._page = rxb_steal_page(rxb); - entry->rxb._offset = rxb->_offset; - entry->rxb._rx_page_order = rxb->_rx_page_order; - entry->fn = rx_h->fn; - spin_lock(&mvm->async_handlers_lock); - list_add_tail(&entry->list, &mvm->async_handlers_list); - spin_unlock(&mvm->async_handlers_lock); - schedule_work(&mvm->async_handlers_wk); - } + struct iwl_async_handler_entry *entry; + + if (rx_h->cmd_id != pkt->hdr.cmd) + continue; + + if (!rx_h->async) + return rx_h->fn(mvm, rxb, cmd); + + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + /* we can't do much... */ + if (!entry) + return 0; + + entry->rxb._page = rxb_steal_page(rxb); + entry->rxb._offset = rxb->_offset; + entry->rxb._rx_page_order = rxb->_rx_page_order; + entry->fn = rx_h->fn; + spin_lock(&mvm->async_handlers_lock); + list_add_tail(&entry->list, &mvm->async_handlers_list); + spin_unlock(&mvm->async_handlers_lock); + schedule_work(&mvm->async_handlers_wk); + break; } return 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 63628739cf4a..5a92a4978795 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -194,7 +194,7 @@ int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif) cmd.id_and_color, iwlmvm_mod_params.power_scheme, le16_to_cpu(cmd.flags)); - return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC, + return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_ASYNC, sizeof(cmd), &cmd); } diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c index 2d4611a563c5..925628468146 100644 --- a/drivers/net/wireless/iwlwifi/mvm/quota.c +++ b/drivers/net/wireless/iwlwifi/mvm/quota.c @@ -131,7 +131,7 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac, int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) { struct iwl_time_quota_cmd cmd; - int i, idx, ret; + int i, idx, ret, num_active_bindings, quota, quota_rem; struct iwl_mvm_quota_iterator_data data = { .n_interfaces = {}, .colors = { -1, -1, -1, -1 }, @@ -156,20 +156,39 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) iwl_mvm_quota_iterator(&data, newvif->addr, newvif); } + /* + * The FW's scheduling session consists of + * IWL_MVM_MAX_QUOTA fragments. Divide these fragments + * equally between all the bindings that require quota + */ + num_active_bindings = 0; + for (i = 0; i < MAX_BINDINGS; i++) { + cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID); + if (data.n_interfaces[i] > 0) + num_active_bindings++; + } + + if (!num_active_bindings) + goto send_cmd; + + quota = IWL_MVM_MAX_QUOTA / num_active_bindings; + quota_rem = IWL_MVM_MAX_QUOTA % num_active_bindings; + for (idx = 0, i = 0; i < MAX_BINDINGS; i++) { if (data.n_interfaces[i] <= 0) continue; cmd.quotas[idx].id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(i, data.colors[i])); - cmd.quotas[idx].quota = cpu_to_le32(100); - cmd.quotas[idx].max_duration = cpu_to_le32(1000); + cmd.quotas[idx].quota = cpu_to_le32(quota); + cmd.quotas[idx].max_duration = cpu_to_le32(IWL_MVM_MAX_QUOTA); idx++; } - for (i = idx; i < MAX_BINDINGS; i++) - cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID); + /* Give the remainder of the session to the first binding */ + le32_add_cpu(&cmd.quotas[0].quota, quota_rem); +send_cmd: ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 60a4291ca221..56b636d9ab30 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -1209,23 +1209,9 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm, return new_rate; } -static bool iwl_is_ht40_tx_allowed(struct iwl_mvm *mvm, - struct ieee80211_sta_ht_cap *ht_cap) +static bool iwl_is_ht40_tx_allowed(struct ieee80211_sta *sta) { - /* - * Remainder of this function checks ht_cap, but if it's - * NULL then we can do HT40 (special case for RXON) - */ - if (!ht_cap) - return true; - - if (!ht_cap->ht_supported) - return false; - - if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) - return false; - - return true; + return sta->bandwidth >= IEEE80211_STA_RX_BW_40; } /* @@ -1243,8 +1229,7 @@ static int rs_switch_to_mimo2(struct iwl_mvm *mvm, if (!sta->ht_cap.ht_supported) return -1; - if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) - == WLAN_HT_CAP_SM_PS_STATIC) + if (sta->smps_mode == IEEE80211_SMPS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ @@ -1258,7 +1243,7 @@ static int rs_switch_to_mimo2(struct iwl_mvm *mvm, tbl->max_search = IWL_MAX_SEARCH; rate_mask = lq_sta->active_mimo2_rate; - if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; @@ -1296,8 +1281,7 @@ static int rs_switch_to_mimo3(struct iwl_mvm *mvm, if (!sta->ht_cap.ht_supported) return -1; - if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) - == WLAN_HT_CAP_SM_PS_STATIC) + if (sta->smps_mode == IEEE80211_SMPS_STATIC) return -1; /* Need both Tx chains/antennas to support MIMO */ @@ -1311,7 +1295,7 @@ static int rs_switch_to_mimo3(struct iwl_mvm *mvm, tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH; rate_mask = lq_sta->active_mimo3_rate; - if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; @@ -1356,7 +1340,7 @@ static int rs_switch_to_siso(struct iwl_mvm *mvm, tbl->max_search = IWL_MAX_SEARCH; rate_mask = lq_sta->active_siso_rate; - if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + if (iwl_is_ht40_tx_allowed(sta)) tbl->is_ht40 = 1; else tbl->is_ht40 = 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index 52da375e5740..3f3ce91ad5c2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -121,7 +121,7 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats)); - ieee80211_rx(mvm->hw, skb); + ieee80211_rx_ni(mvm->hw, skb); } /* diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 69603c3b2b39..a1eb692d7fad 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -81,8 +81,9 @@ static int iwl_mvm_find_free_sta_id(struct iwl_mvm *mvm) return IWL_MVM_STATION_COUNT; } -/* add a NEW station to fw */ -int iwl_mvm_sta_add_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta) +/* send station add/update command to firmware */ +int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + bool update) { struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; struct iwl_mvm_add_sta_cmd add_sta_cmd; @@ -94,8 +95,11 @@ int iwl_mvm_sta_add_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta) add_sta_cmd.sta_id = mvm_sta->sta_id; add_sta_cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); - add_sta_cmd.tfd_queue_msk = cpu_to_le32(mvm_sta->tfd_queue_msk); - memcpy(&add_sta_cmd.addr, sta->addr, ETH_ALEN); + if (!update) { + add_sta_cmd.tfd_queue_msk = cpu_to_le32(mvm_sta->tfd_queue_msk); + memcpy(&add_sta_cmd.addr, sta->addr, ETH_ALEN); + } + add_sta_cmd.add_modify = update ? 1 : 0; /* STA_FLG_FAT_EN_MSK ? */ /* STA_FLG_MIMO_EN_MSK ? */ @@ -181,7 +185,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, /* for HW restart - need to reset the seq_number etc... */ memset(mvm_sta->tid_data, 0, sizeof(mvm_sta->tid_data)); - ret = iwl_mvm_sta_add_to_fw(mvm, sta); + ret = iwl_mvm_sta_send_to_fw(mvm, sta, false); if (ret) return ret; @@ -195,6 +199,13 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, return 0; } +int iwl_mvm_update_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + return iwl_mvm_sta_send_to_fw(mvm, sta, true); +} + int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool drain) { @@ -1116,7 +1127,8 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, if (WARN_ON_ONCE(mvm_sta->vif != vif)) return -EINVAL; - key_flags = cpu_to_le16(keyconf->keyidx & STA_KEY_FLG_KEYID_MSK); + key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) & + STA_KEY_FLG_KEYID_MSK); key_flags |= cpu_to_le16(STA_KEY_FLG_NO_ENC | STA_KEY_FLG_WEP_KEY_MAP); key_flags |= cpu_to_le16(STA_KEY_NOT_VALID); @@ -1154,14 +1166,26 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 iv32, u16 *phase1key) { - struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + struct iwl_mvm_sta *mvm_sta; u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta); - if (sta_id == IWL_INVALID_STATION) + if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION)) return; + rcu_read_lock(); + + if (!sta) { + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + if (WARN_ON(IS_ERR_OR_NULL(sta))) { + rcu_read_unlock(); + return; + } + } + + mvm_sta = (void *)sta->drv_priv; iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, sta_id, iv32, phase1key, CMD_ASYNC); + rcu_read_unlock(); } void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm, int sta_id) diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 1bf301097984..bdd7c5ed8222 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -309,10 +309,14 @@ struct iwl_mvm_int_sta { u32 tfd_queue_msk; }; -int iwl_mvm_sta_add_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta); +int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + bool update); int iwl_mvm_add_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta); +int iwl_mvm_update_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); int iwl_mvm_rm_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta); diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index b9f076f4f17c..c09b71f23759 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -76,6 +76,15 @@ #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies((_tu) * 1024)) #define MSEC_TO_TU(_msec) (_msec*1000/1024) +/* For ROC use a TE type which has priority high enough to be scheduled when + * there is a concurrent BSS or GO/AP. Currently, use a TE type that has + * priority similar to the TE priority used for action scans by the FW. + * TODO: This needs to be changed, based on the reason for the ROC, i.e., use + * TE_P2P_DEVICE_DISCOVERABLE for remain on channel without mgmt skb, and use + * TE_P2P_DEVICE_ACTION_SCAN + */ +#define IWL_MVM_ROC_TE_TYPE TE_P2P_DEVICE_ACTION_SCAN + void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, struct iwl_mvm_time_event_data *te_data) { @@ -175,9 +184,11 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, */ if (te_data->vif->type == NL80211_IFTYPE_STATION && (!te_data->vif->bss_conf.assoc || - !te_data->vif->bss_conf.dtim_period)) + !te_data->vif->bss_conf.dtim_period)) { IWL_ERR(mvm, "No assocation and the time event is over already...\n"); + ieee80211_connection_loss(te_data->vif); + } iwl_mvm_te_clear_data(mvm, te_data); } else if (le32_to_cpu(notif->action) == TE_NOTIF_HOST_START) { @@ -219,57 +230,86 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, return 0; } -static bool iwl_mvm_time_event_notif(struct iwl_notif_wait_data *notif_wait, - struct iwl_rx_packet *pkt, void *data) +static bool iwl_mvm_time_event_response(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) { struct iwl_mvm *mvm = container_of(notif_wait, struct iwl_mvm, notif_wait); struct iwl_mvm_time_event_data *te_data = data; - struct ieee80211_vif *vif = te_data->vif; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_time_event_notif *notif; struct iwl_time_event_resp *resp; + int resp_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; - u32 mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); + if (WARN_ON(pkt->hdr.cmd != TIME_EVENT_CMD)) + return true; - /* until we do something else */ - WARN_ON(te_data->id != TE_BSS_STA_AGGRESSIVE_ASSOC); + if (WARN_ON_ONCE(resp_len != sizeof(pkt->hdr) + sizeof(*resp))) { + IWL_ERR(mvm, "Invalid TIME_EVENT_CMD response\n"); + return true; + } - switch (pkt->hdr.cmd) { - case TIME_EVENT_CMD: - resp = (void *)pkt->data; - /* TODO: I can't check that since the fw is buggy - it doesn't - * put the right values when we remove a TE. We can be here - * when we remove a TE because the remove TE command is sent in - * ASYNC... - * WARN_ON(mac_id_n_color != le32_to_cpu(resp->id_and_color)); - */ - te_data->uid = le32_to_cpu(resp->unique_id); - IWL_DEBUG_TE(mvm, "Got response - UID = 0x%x\n", te_data->uid); - return false; - - case TIME_EVENT_NOTIFICATION: - notif = (void *)pkt->data; - WARN_ON(le32_to_cpu(notif->status) != 1); - WARN_ON(mac_id_n_color != le32_to_cpu(notif->id_and_color)); - /* check if this is our Time Event that is starting */ - if (le32_to_cpu(notif->unique_id) != te_data->uid) - return false; - IWL_DEBUG_TE(mvm, "Event %d is starting - time is %d\n", - te_data->uid, le32_to_cpu(notif->timestamp)); - - WARN_ONCE(!le32_to_cpu(notif->status), - "Failed to schedule protected session TE\n"); + resp = (void *)pkt->data; + te_data->uid = le32_to_cpu(resp->unique_id); + IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", + te_data->uid); + return true; +} - te_data->running = true; - te_data->end_jiffies = jiffies + - TU_TO_JIFFIES(te_data->duration); - return true; +static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_time_event_data *te_data, + struct iwl_time_event_cmd *te_cmd) +{ + static const u8 time_event_response[] = { TIME_EVENT_CMD }; + struct iwl_notification_wait wait_time_event; + int ret; + + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->time_event_lock); + if (WARN_ON(te_data->id != TE_MAX)) { + spin_unlock_bh(&mvm->time_event_lock); + return -EIO; + } + te_data->vif = vif; + te_data->duration = le32_to_cpu(te_cmd->duration); + te_data->id = le32_to_cpu(te_cmd->id); + list_add_tail(&te_data->list, &mvm->time_event_list); + spin_unlock_bh(&mvm->time_event_lock); + + /* + * Use a notification wait, which really just processes the + * command response and doesn't wait for anything, in order + * to be able to process the response and get the UID inside + * the RX path. Using CMD_WANT_SKB doesn't work because it + * stores the buffer and then wakes up this thread, by which + * time another notification (that the time event started) + * might already be processed unsuccessfully. + */ + iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, + time_event_response, + ARRAY_SIZE(time_event_response), + iwl_mvm_time_event_response, te_data); - default: - WARN_ON(1); - return false; - }; + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, + sizeof(*te_cmd), te_cmd); + if (ret) { + IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); + iwl_remove_notification(&mvm->notif_wait, &wait_time_event); + goto out_clear_te; + } + + /* No need to wait for anything, so just pass 1 (0 isn't valid) */ + ret = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); + /* should never fail */ + WARN_ON_ONCE(ret); + + if (ret) { + out_clear_te: + spin_lock_bh(&mvm->time_event_lock); + iwl_mvm_te_clear_data(mvm, te_data); + spin_unlock_bh(&mvm->time_event_lock); + } + return ret; } void iwl_mvm_protect_session(struct iwl_mvm *mvm, @@ -278,11 +318,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - static const u8 time_event_notif[] = { TIME_EVENT_CMD, - TIME_EVENT_NOTIFICATION }; - struct iwl_notification_wait wait_time_event; struct iwl_time_event_cmd time_cmd = {}; - int ret; lockdep_assert_held(&mvm->mutex); @@ -309,12 +345,6 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, iwl_mvm_stop_session_protection(mvm, vif); } - iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, - time_event_notif, - ARRAY_SIZE(time_event_notif), - iwl_mvm_time_event_notif, - &mvmvif->time_event_data); - time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); time_cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); @@ -322,6 +352,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, time_cmd.apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG)); + time_cmd.dep_policy = TE_INDEPENDENT; time_cmd.is_present = cpu_to_le32(1); time_cmd.max_frags = cpu_to_le32(TE_FRAG_NONE); @@ -333,33 +364,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, time_cmd.repeat = cpu_to_le32(1); time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END); - te_data->vif = vif; - te_data->duration = duration; - - spin_lock_bh(&mvm->time_event_lock); - te_data->id = le32_to_cpu(time_cmd.id); - list_add_tail(&te_data->list, &mvm->time_event_list); - spin_unlock_bh(&mvm->time_event_lock); - - ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, - sizeof(time_cmd), &time_cmd); - if (ret) { - IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); - goto out_remove_notif; - } - - ret = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1 * HZ); - if (ret) { - IWL_ERR(mvm, "%s - failed on timeout\n", __func__); - spin_lock_bh(&mvm->time_event_lock); - iwl_mvm_te_clear_data(mvm, te_data); - spin_unlock_bh(&mvm->time_event_lock); - } - - return; - -out_remove_notif: - iwl_remove_notification(&mvm->notif_wait, &wait_time_event); + iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } /* @@ -424,43 +429,12 @@ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, iwl_mvm_remove_time_event(mvm, mvmvif, te_data); } -static bool iwl_mvm_roc_te_notif(struct iwl_notif_wait_data *notif_wait, - struct iwl_rx_packet *pkt, void *data) -{ - struct iwl_mvm *mvm = - container_of(notif_wait, struct iwl_mvm, notif_wait); - struct iwl_mvm_time_event_data *te_data = data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); - struct iwl_time_event_resp *resp; - - u32 mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); - - /* until we do something else */ - WARN_ON(te_data->id != TE_P2P_DEVICE_DISCOVERABLE); - - switch (pkt->hdr.cmd) { - case TIME_EVENT_CMD: - resp = (void *)pkt->data; - WARN_ON(mac_id_n_color != le32_to_cpu(resp->id_and_color)); - te_data->uid = le32_to_cpu(resp->unique_id); - IWL_DEBUG_TE(mvm, "Got response - UID = 0x%x\n", te_data->uid); - return true; - - default: - WARN_ON(1); - return false; - }; -} - int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int duration) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - static const u8 roc_te_notif[] = { TIME_EVENT_CMD }; - struct iwl_notification_wait wait_time_event; struct iwl_time_event_cmd time_cmd = {}; - int ret; lockdep_assert_held(&mvm->mutex); if (te_data->running) { @@ -474,16 +448,10 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, */ flush_work(&mvm->roc_done_wk); - iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, - roc_te_notif, - ARRAY_SIZE(roc_te_notif), - iwl_mvm_roc_te_notif, - &mvmvif->time_event_data); - time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); time_cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); - time_cmd.id = cpu_to_le32(TE_P2P_DEVICE_DISCOVERABLE); + time_cmd.id = cpu_to_le32(IWL_MVM_ROC_TE_TYPE); time_cmd.apply_time = cpu_to_le32(0); time_cmd.dep_policy = cpu_to_le32(TE_INDEPENDENT); @@ -492,7 +460,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, time_cmd.interval = cpu_to_le32(1); /* - * TE_P2P_DEVICE_DISCOVERABLE can have lower priority than other events + * IWL_MVM_ROC_TE_TYPE can have lower priority than other events * that are being scheduled by the driver/fw, and thus it might not be * scheduled. To improve the chances of it being scheduled, allow it to * be fragmented. @@ -505,33 +473,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, time_cmd.repeat = cpu_to_le32(1); time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END); - /* Push the te data to the tracked te list */ - te_data->vif = vif; - te_data->duration = MSEC_TO_TU(duration); - - spin_lock_bh(&mvm->time_event_lock); - te_data->id = le32_to_cpu(time_cmd.id); - list_add_tail(&te_data->list, &mvm->time_event_list); - spin_unlock_bh(&mvm->time_event_lock); - - ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, - sizeof(time_cmd), &time_cmd); - if (ret) { - IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); - goto out_remove_notif; - } - - ret = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1 * HZ); - if (ret) { - IWL_ERR(mvm, "%s - failed on timeout\n", __func__); - iwl_mvm_te_clear_data(mvm, te_data); - } - - return ret; - -out_remove_notif: - iwl_remove_notification(&mvm->notif_wait, &wait_time_event); - return ret; + return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } void iwl_mvm_stop_p2p_roc(struct iwl_mvm *mvm) diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index cada8efe0cca..6b67ce3f679c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -620,7 +620,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, seq_ctl = le16_to_cpu(hdr->seq_ctrl); } - ieee80211_tx_status(mvm->hw, skb); + ieee80211_tx_status_ni(mvm->hw, skb); } if (txq_id >= IWL_FIRST_AMPDU_QUEUE) { @@ -663,12 +663,12 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; - spin_lock(&mvmsta->lock); + spin_lock_bh(&mvmsta->lock); tid_data->next_reclaimed = next_reclaimed; IWL_DEBUG_TX_REPLY(mvm, "Next reclaimed packet:%d\n", next_reclaimed); iwl_mvm_check_ratid_empty(mvm, sta, tid); - spin_unlock(&mvmsta->lock); + spin_unlock_bh(&mvmsta->lock); } #ifdef CONFIG_PM_SLEEP @@ -832,7 +832,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, return 0; } - spin_lock(&mvmsta->lock); + spin_lock_bh(&mvmsta->lock); __skb_queue_head_init(&reclaimed_skbs); @@ -886,13 +886,13 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, } } - spin_unlock(&mvmsta->lock); + spin_unlock_bh(&mvmsta->lock); rcu_read_unlock(); while (!skb_queue_empty(&reclaimed_skbs)) { skb = __skb_dequeue(&reclaimed_skbs); - ieee80211_tx_status(mvm->hw, skb); + ieee80211_tx_status_ni(mvm->hw, skb); } return 0; diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 5f6bb4e09d42..aa2a39a637dd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -249,7 +249,6 @@ struct iwl_trans_pcie { int ict_index; u32 inta; bool use_ict; - struct tasklet_struct irq_tasklet; struct isr_statistics isr_stats; spinlock_t irq_lock; @@ -330,7 +329,7 @@ void iwl_trans_pcie_free(struct iwl_trans *trans); * RX ******************************************************/ int iwl_pcie_rx_init(struct iwl_trans *trans); -void iwl_pcie_tasklet(struct iwl_trans *trans); +irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id); int iwl_pcie_rx_stop(struct iwl_trans *trans); void iwl_pcie_rx_free(struct iwl_trans *trans); diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index a9ca1d35fa93..b0ae06d2456f 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -81,10 +81,10 @@ * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, * detached from the iwl->rxq. The driver 'processed' index is updated. - * + The Host/Firmware iwl->rxq is replenished at tasklet time from the rx_free - * list. If there are no allocated buffers in iwl->rxq->rx_free, the READ - * INDEX is not incremented and iwl->status(RX_STALLED) is set. If there - * were enough free buffers and RX_STALLED is set it is cleared. + * + The Host/Firmware iwl->rxq is replenished at irq thread time from the + * rx_free list. If there are no allocated buffers in iwl->rxq->rx_free, + * the READ INDEX is not incremented and iwl->status(RX_STALLED) is set. + * If there were enough free buffers and RX_STALLED is set it is cleared. * * * Driver sequence: @@ -214,9 +214,9 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) /* * If the device isn't enabled - not need to try to add buffers... * This can happen when we stop the device and still have an interrupt - * pending. We stop the APM before we sync the interrupts / tasklets - * because we have to (see comment there). On the other hand, since - * the APM is stopped, we cannot access the HW (in particular not prph). + * pending. We stop the APM before we sync the interrupts because we + * have to (see comment there). On the other hand, since the APM is + * stopped, we cannot access the HW (in particular not prph). * So don't try to restock if the APM has been already stopped. */ if (!test_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status)) @@ -796,11 +796,14 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans) clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status); wake_up(&trans_pcie->wait_command_queue); + local_bh_disable(); iwl_op_mode_nic_error(trans->op_mode); + local_bh_enable(); } -void iwl_pcie_tasklet(struct iwl_trans *trans) +irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id) { + struct iwl_trans *trans = dev_id; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct isr_statistics *isr_stats = &trans_pcie->isr_stats; u32 inta = 0; @@ -811,6 +814,8 @@ void iwl_pcie_tasklet(struct iwl_trans *trans) u32 inta_mask; #endif + lock_map_acquire(&trans->sync_cmd_lockdep_map); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Ack/clear/reset pending uCode interrupts. @@ -855,7 +860,7 @@ void iwl_pcie_tasklet(struct iwl_trans *trans) handled |= CSR_INT_BIT_HW_ERR; - return; + goto out; } #ifdef CONFIG_IWLWIFI_DEBUG @@ -1005,6 +1010,10 @@ void iwl_pcie_tasklet(struct iwl_trans *trans) /* Re-enable RF_KILL if it occurred */ else if (handled & CSR_INT_BIT_RF_KILL) iwl_enable_rfkill_int(trans); + +out: + lock_map_release(&trans->sync_cmd_lockdep_map); + return IRQ_HANDLED; } /****************************************************************************** @@ -1127,7 +1136,7 @@ static irqreturn_t iwl_pcie_isr(int irq, void *data) /* Disable (but don't clear!) interrupts here to avoid * back-to-back ISRs and sporadic interrupts from our NIC. - * If we have something to service, the tasklet will re-enable ints. + * If we have something to service, the irq thread will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ inta_mask = iwl_read32(trans, CSR_INT_MASK); iwl_write32(trans, CSR_INT_MASK, 0x00000000); @@ -1167,9 +1176,9 @@ static irqreturn_t iwl_pcie_isr(int irq, void *data) #endif trans_pcie->inta |= inta; - /* iwl_pcie_tasklet() will service interrupts and re-enable them */ + /* the thread will service interrupts and re-enable them */ if (likely(inta)) - tasklet_schedule(&trans_pcie->irq_tasklet); + return IRQ_WAKE_THREAD; else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) iwl_enable_interrupts(trans); @@ -1277,9 +1286,10 @@ irqreturn_t iwl_pcie_isr_ict(int irq, void *data) trans_pcie->inta |= inta; /* iwl_pcie_tasklet() will service interrupts and re-enable them */ - if (likely(inta)) - tasklet_schedule(&trans_pcie->irq_tasklet); - else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && + if (likely(inta)) { + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); + return IRQ_WAKE_THREAD; + } else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) { /* Allow interrupt if was disabled by this handler and * no tasklet was schedules, We should not enable interrupt, diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 56d4f72500bc..17bedc50e753 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -760,7 +760,6 @@ void iwl_trans_pcie_free(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); synchronize_irq(trans_pcie->pci_dev->irq); - tasklet_kill(&trans_pcie->irq_tasklet); iwl_pcie_tx_free(trans); iwl_pcie_rx_free(trans); @@ -1480,6 +1479,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans->ops = &trans_ops_pcie; trans->cfg = cfg; + trans_lockdep_init(trans); trans_pcie->trans = trans; spin_lock_init(&trans_pcie->irq_lock); spin_lock_init(&trans_pcie->reg_lock); @@ -1567,15 +1567,12 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->inta_mask = CSR_INI_SET_MASK; - tasklet_init(&trans_pcie->irq_tasklet, (void (*)(unsigned long)) - iwl_pcie_tasklet, (unsigned long)trans); - if (iwl_pcie_alloc_ict(trans)) goto out_free_cmd_pool; - err = request_irq(pdev->irq, iwl_pcie_isr_ict, - IRQF_SHARED, DRV_NAME, trans); - if (err) { + if (request_threaded_irq(pdev->irq, iwl_pcie_isr_ict, + iwl_pcie_irq_handler, + IRQF_SHARED, DRV_NAME, trans)) { IWL_ERR(trans, "Error allocating IRQ %d\n", pdev->irq); goto out_free_ict; } diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 041127ad372a..8e9e3212fe78 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -926,7 +926,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, if (WARN_ON(txq_id == trans_pcie->cmd_queue)) return; - spin_lock(&txq->lock); + spin_lock_bh(&txq->lock); if (txq->q.read_ptr == tfd_num) goto out; @@ -970,7 +970,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, if (iwl_queue_space(&txq->q) > txq->q.low_mark) iwl_wake_queue(trans, txq); out: - spin_unlock(&txq->lock); + spin_unlock_bh(&txq->lock); } /* @@ -1371,7 +1371,7 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, return; } - spin_lock(&txq->lock); + spin_lock_bh(&txq->lock); cmd_index = get_cmd_index(&txq->q, index); cmd = txq->entries[cmd_index].cmd; @@ -1405,7 +1405,7 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, meta->flags = 0; - spin_unlock(&txq->lock); + spin_unlock_bh(&txq->lock); } #define HOST_COMPLETE_TIMEOUT (2 * HZ) diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index a7dcb2e5eccc..116f4aba08d6 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -657,7 +657,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy, capa, intvl, ie, ielen, LBS_SCAN_RSSI_TO_MBM(rssi), GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); } } else lbs_deb_scan("scan response: missing BSS channel IE\n"); @@ -1444,7 +1444,7 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev, done: if (bss) - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret); return ret; } @@ -1766,7 +1766,7 @@ static void lbs_join_post(struct lbs_private *priv, params->beacon_interval, fake_ie, fake - fake_ie, 0, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->wdev->wiphy, bss); memcpy(priv->wdev->ssid, params->ssid, params->ssid_len); priv->wdev->ssid_len = params->ssid_len; @@ -2011,7 +2011,7 @@ static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev, if (bss) { ret = lbs_ibss_join_existing(priv, params, bss); - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); } else ret = lbs_ibss_start_new(priv, params); diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index b73e497fe770..cffdf4fbf161 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2247,6 +2247,7 @@ static int __init init_mac80211_hwsim(void) /* ask mac80211 to reserve space for magic */ hw->vif_data_size = sizeof(struct hwsim_vif_priv); hw->sta_data_size = sizeof(struct hwsim_sta_priv); + hw->chanctx_data_size = sizeof(struct hwsim_chanctx_priv); memcpy(data->channels_2ghz, hwsim_channels_2ghz, sizeof(hwsim_channels_2ghz)); diff --git a/drivers/net/wireless/mwifiex/Kconfig b/drivers/net/wireless/mwifiex/Kconfig index b2e27723f801..4f614aad9ded 100644 --- a/drivers/net/wireless/mwifiex/Kconfig +++ b/drivers/net/wireless/mwifiex/Kconfig @@ -20,12 +20,12 @@ config MWIFIEX_SDIO mwifiex_sdio. config MWIFIEX_PCIE - tristate "Marvell WiFi-Ex Driver for PCIE 8766" + tristate "Marvell WiFi-Ex Driver for PCIE 8766/8897" depends on MWIFIEX && PCI select FW_LOADER ---help--- This adds support for wireless adapters based on Marvell - 8766 chipset with PCIe interface. + 8766/8897 chipsets with PCIe interface. If you choose to build it as a module, it will be called mwifiex_pcie. diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 8ba48192cd2f..dc5357c0098f 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1430,7 +1430,7 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 0, ie_buf, ie_len, 0, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->wdev->wiphy, bss); memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); return 0; diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index df88e65595c8..492655c048d1 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -62,6 +62,10 @@ static bool mwifiex_pcie_ok_to_access_hw(struct mwifiex_adapter *adapter) { u32 *cookie_addr; struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + + if (!reg->sleep_cookie) + return true; if (card->sleep_cookie_vbase) { cookie_addr = (u32 *)card->sleep_cookie_vbase; @@ -94,6 +98,13 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev, card->dev = pdev; + if (ent->driver_data) { + struct mwifiex_pcie_device *data = (void *)ent->driver_data; + card->pcie.firmware = data->firmware; + card->pcie.reg = data->reg; + card->pcie.blksz_fw_dl = data->blksz_fw_dl; + } + if (mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops, MWIFIEX_PCIE)) { pr_err("%s failed\n", __func__); @@ -230,13 +241,16 @@ static int mwifiex_pcie_resume(struct pci_dev *pdev) return 0; } -#define PCIE_VENDOR_ID_MARVELL (0x11ab) -#define PCIE_DEVICE_ID_MARVELL_88W8766P (0x2b30) - static DEFINE_PCI_DEVICE_TABLE(mwifiex_ids) = { { PCIE_VENDOR_ID_MARVELL, PCIE_DEVICE_ID_MARVELL_88W8766P, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + .driver_data = (unsigned long) &mwifiex_pcie8766, + }, + { + PCIE_VENDOR_ID_MARVELL, PCIE_DEVICE_ID_MARVELL_88W8897, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + .driver_data = (unsigned long) &mwifiex_pcie8897, }, {}, }; @@ -289,8 +303,10 @@ static int mwifiex_read_reg(struct mwifiex_adapter *adapter, int reg, u32 *data) static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) { int i = 0; + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; - while (mwifiex_pcie_ok_to_access_hw(adapter)) { + while (reg->sleep_cookie && mwifiex_pcie_ok_to_access_hw(adapter)) { i++; usleep_range(10, 20); /* 50ms max wait */ @@ -364,25 +380,268 @@ static int mwifiex_pcie_enable_host_int(struct mwifiex_adapter *adapter) } /* - * This function creates buffer descriptor ring for TX + * This function initializes TX buffer ring descriptors */ -static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter) +static int mwifiex_init_txq_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; + int i; + + for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { + card->tx_buf_list[i] = NULL; + if (reg->pfu_enabled) { + card->txbd_ring[i] = (void *)card->txbd_ring_vbase + + (sizeof(*desc2) * i); + desc2 = card->txbd_ring[i]; + memset(desc2, 0, sizeof(*desc2)); + } else { + card->txbd_ring[i] = (void *)card->txbd_ring_vbase + + (sizeof(*desc) * i); + desc = card->txbd_ring[i]; + memset(desc, 0, sizeof(*desc)); + } + } + + return 0; +} + +/* This function initializes RX buffer ring descriptors. Each SKB is allocated + * here and after mapping PCI memory, its physical address is assigned to + * PCIE Rx buffer descriptor's physical address. + */ +static int mwifiex_init_rxq_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + struct sk_buff *skb; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; + dma_addr_t buf_pa; + int i; + + for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { + /* Allocate skb here so that firmware can DMA data from it */ + skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE); + if (!skb) { + dev_err(adapter->dev, + "Unable to allocate skb for RX ring.\n"); + kfree(card->rxbd_ring_vbase); + return -ENOMEM; + } + + if (mwifiex_map_pci_memory(adapter, skb, + MWIFIEX_RX_DATA_BUF_SIZE, + PCI_DMA_FROMDEVICE)) + return -1; + + MWIFIEX_SKB_PACB(skb, &buf_pa); + + dev_dbg(adapter->dev, + "info: RX ring: skb=%p len=%d data=%p buf_pa=%#x:%x\n", + skb, skb->len, skb->data, (u32)buf_pa, + (u32)((u64)buf_pa >> 32)); + + card->rx_buf_list[i] = skb; + if (reg->pfu_enabled) { + card->rxbd_ring[i] = (void *)card->rxbd_ring_vbase + + (sizeof(*desc2) * i); + desc2 = card->rxbd_ring[i]; + desc2->paddr = buf_pa; + desc2->len = (u16)skb->len; + desc2->frag_len = (u16)skb->len; + desc2->flags = reg->ring_flag_eop | reg->ring_flag_sop; + desc2->offset = 0; + } else { + card->rxbd_ring[i] = (void *)(card->rxbd_ring_vbase + + (sizeof(*desc) * i)); + desc = card->rxbd_ring[i]; + desc->paddr = buf_pa; + desc->len = (u16)skb->len; + desc->flags = 0; + } + } + + return 0; +} + +/* This function initializes event buffer ring descriptors. Each SKB is + * allocated here and after mapping PCI memory, its physical address is assigned + * to PCIE Rx buffer descriptor's physical address + */ +static int mwifiex_pcie_init_evt_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + struct mwifiex_evt_buf_desc *desc; + struct sk_buff *skb; + dma_addr_t buf_pa; int i; + for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) { + /* Allocate skb here so that firmware can DMA data from it */ + skb = dev_alloc_skb(MAX_EVENT_SIZE); + if (!skb) { + dev_err(adapter->dev, + "Unable to allocate skb for EVENT buf.\n"); + kfree(card->evtbd_ring_vbase); + return -ENOMEM; + } + skb_put(skb, MAX_EVENT_SIZE); + + if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE, + PCI_DMA_FROMDEVICE)) + return -1; + + MWIFIEX_SKB_PACB(skb, &buf_pa); + + dev_dbg(adapter->dev, + "info: EVT ring: skb=%p len=%d data=%p buf_pa=%#x:%x\n", + skb, skb->len, skb->data, (u32)buf_pa, + (u32)((u64)buf_pa >> 32)); + + card->evt_buf_list[i] = skb; + card->evtbd_ring[i] = (void *)(card->evtbd_ring_vbase + + (sizeof(*desc) * i)); + desc = card->evtbd_ring[i]; + desc->paddr = buf_pa; + desc->len = (u16)skb->len; + desc->flags = 0; + } + + return 0; +} + +/* This function cleans up TX buffer rings. If any of the buffer list has valid + * SKB address, associated SKB is freed. + */ +static void mwifiex_cleanup_txq_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + struct sk_buff *skb; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; + int i; + + for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { + if (reg->pfu_enabled) { + desc2 = card->txbd_ring[i]; + if (card->tx_buf_list[i]) { + skb = card->tx_buf_list[i]; + pci_unmap_single(card->dev, desc2->paddr, + skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb_any(skb); + } + memset(desc2, 0, sizeof(*desc2)); + } else { + desc = card->txbd_ring[i]; + if (card->tx_buf_list[i]) { + skb = card->tx_buf_list[i]; + pci_unmap_single(card->dev, desc->paddr, + skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb_any(skb); + } + memset(desc, 0, sizeof(*desc)); + } + card->tx_buf_list[i] = NULL; + } + + return; +} + +/* This function cleans up RX buffer rings. If any of the buffer list has valid + * SKB address, associated SKB is freed. + */ +static void mwifiex_cleanup_rxq_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; + struct sk_buff *skb; + int i; + + for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { + if (reg->pfu_enabled) { + desc2 = card->rxbd_ring[i]; + if (card->rx_buf_list[i]) { + skb = card->rx_buf_list[i]; + pci_unmap_single(card->dev, desc2->paddr, + skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb_any(skb); + } + memset(desc2, 0, sizeof(*desc2)); + } else { + desc = card->rxbd_ring[i]; + if (card->rx_buf_list[i]) { + skb = card->rx_buf_list[i]; + pci_unmap_single(card->dev, desc->paddr, + skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb_any(skb); + } + memset(desc, 0, sizeof(*desc)); + } + card->rx_buf_list[i] = NULL; + } + + return; +} + +/* This function cleans up event buffer rings. If any of the buffer list has + * valid SKB address, associated SKB is freed. + */ +static void mwifiex_cleanup_evt_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + struct mwifiex_evt_buf_desc *desc; + struct sk_buff *skb; + int i; + + for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) { + desc = card->evtbd_ring[i]; + if (card->evt_buf_list[i]) { + skb = card->evt_buf_list[i]; + pci_unmap_single(card->dev, desc->paddr, MAX_EVENT_SIZE, + PCI_DMA_FROMDEVICE); + dev_kfree_skb_any(skb); + } + card->evt_buf_list[i] = NULL; + memset(desc, 0, sizeof(*desc)); + } + + return; +} + +/* This function creates buffer descriptor ring for TX + */ +static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + /* * driver maintaines the write pointer and firmware maintaines the read * pointer. The write pointer starts at 0 (zero) while the read pointer * starts at zero with rollover bit set */ card->txbd_wrptr = 0; - card->txbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND; + + if (reg->pfu_enabled) + card->txbd_rdptr = 0; + else + card->txbd_rdptr |= reg->tx_rollover_ind; /* allocate shared memory for the BD ring and divide the same in to several descriptors */ - card->txbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) * - MWIFIEX_MAX_TXRX_BD; + if (reg->pfu_enabled) + card->txbd_ring_size = sizeof(struct mwifiex_pfu_buf_desc) * + MWIFIEX_MAX_TXRX_BD; + else + card->txbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) * + MWIFIEX_MAX_TXRX_BD; + dev_dbg(adapter->dev, "info: txbd_ring: Allocating %d bytes\n", card->txbd_ring_size); card->txbd_ring_vbase = pci_alloc_consistent(card->dev, @@ -399,40 +658,15 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter) card->txbd_ring_vbase, (unsigned int)card->txbd_ring_pbase, (u32)((u64)card->txbd_ring_pbase >> 32), card->txbd_ring_size); - for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { - card->txbd_ring[i] = (struct mwifiex_pcie_buf_desc *) - (card->txbd_ring_vbase + - (sizeof(struct mwifiex_pcie_buf_desc) - * i)); - - card->tx_buf_list[i] = NULL; - card->txbd_ring[i]->paddr = 0; - card->txbd_ring[i]->len = 0; - card->txbd_ring[i]->flags = 0; - } - - return 0; + return mwifiex_init_txq_ring(adapter); } static int mwifiex_pcie_delete_txbd_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - struct sk_buff *skb; - int i; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; - for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { - if (card->tx_buf_list[i]) { - skb = card->tx_buf_list[i]; - pci_unmap_single(card->dev, card->txbd_ring[i]->paddr, - skb->len, PCI_DMA_TODEVICE); - dev_kfree_skb_any(skb); - } - card->tx_buf_list[i] = NULL; - card->txbd_ring[i]->paddr = 0; - card->txbd_ring[i]->len = 0; - card->txbd_ring[i]->flags = 0; - card->txbd_ring[i] = NULL; - } + mwifiex_cleanup_txq_ring(adapter); if (card->txbd_ring_vbase) pci_free_consistent(card->dev, card->txbd_ring_size, @@ -440,7 +674,7 @@ static int mwifiex_pcie_delete_txbd_ring(struct mwifiex_adapter *adapter) card->txbd_ring_pbase); card->txbd_ring_size = 0; card->txbd_wrptr = 0; - card->txbd_rdptr = 0 | MWIFIEX_BD_FLAG_ROLLOVER_IND; + card->txbd_rdptr = 0 | reg->tx_rollover_ind; card->txbd_ring_vbase = NULL; card->txbd_ring_pbase = 0; @@ -453,9 +687,7 @@ static int mwifiex_pcie_delete_txbd_ring(struct mwifiex_adapter *adapter) static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - struct sk_buff *skb; - int i; - dma_addr_t buf_pa; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; /* * driver maintaines the read pointer and firmware maintaines the write @@ -463,10 +695,15 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter) * starts at zero with rollover bit set */ card->rxbd_wrptr = 0; - card->rxbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND; + card->rxbd_rdptr = reg->rx_rollover_ind; + + if (reg->pfu_enabled) + card->rxbd_ring_size = sizeof(struct mwifiex_pfu_buf_desc) * + MWIFIEX_MAX_TXRX_BD; + else + card->rxbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) * + MWIFIEX_MAX_TXRX_BD; - card->rxbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) * - MWIFIEX_MAX_TXRX_BD; dev_dbg(adapter->dev, "info: rxbd_ring: Allocating %d bytes\n", card->rxbd_ring_size); card->rxbd_ring_vbase = pci_alloc_consistent(card->dev, @@ -485,39 +722,7 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter) (u32)((u64)card->rxbd_ring_pbase >> 32), card->rxbd_ring_size); - for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { - card->rxbd_ring[i] = (struct mwifiex_pcie_buf_desc *) - (card->rxbd_ring_vbase + - (sizeof(struct mwifiex_pcie_buf_desc) - * i)); - - /* Allocate skb here so that firmware can DMA data from it */ - skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE); - if (!skb) { - dev_err(adapter->dev, - "Unable to allocate skb for RX ring.\n"); - kfree(card->rxbd_ring_vbase); - return -ENOMEM; - } - if (mwifiex_map_pci_memory(adapter, skb, - MWIFIEX_RX_DATA_BUF_SIZE, - PCI_DMA_FROMDEVICE)) - return -1; - - MWIFIEX_SKB_PACB(skb, &buf_pa); - - dev_dbg(adapter->dev, "info: RX ring: add new skb base: %p, " - "buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n", - skb, skb->data, (u32)buf_pa, (u32)((u64)buf_pa >> 32), - skb->len); - - card->rx_buf_list[i] = skb; - card->rxbd_ring[i]->paddr = buf_pa; - card->rxbd_ring[i]->len = (u16)skb->len; - card->rxbd_ring[i]->flags = 0; - } - - return 0; + return mwifiex_init_rxq_ring(adapter); } /* @@ -526,23 +731,9 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter) static int mwifiex_pcie_delete_rxbd_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - struct sk_buff *skb; - int i; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; - for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) { - if (card->rx_buf_list[i]) { - skb = card->rx_buf_list[i]; - pci_unmap_single(card->dev, card->rxbd_ring[i]->paddr , - MWIFIEX_RX_DATA_BUF_SIZE, - PCI_DMA_FROMDEVICE); - dev_kfree_skb_any(skb); - } - card->rx_buf_list[i] = NULL; - card->rxbd_ring[i]->paddr = 0; - card->rxbd_ring[i]->len = 0; - card->rxbd_ring[i]->flags = 0; - card->rxbd_ring[i] = NULL; - } + mwifiex_cleanup_rxq_ring(adapter); if (card->rxbd_ring_vbase) pci_free_consistent(card->dev, card->rxbd_ring_size, @@ -550,7 +741,7 @@ static int mwifiex_pcie_delete_rxbd_ring(struct mwifiex_adapter *adapter) card->rxbd_ring_pbase); card->rxbd_ring_size = 0; card->rxbd_wrptr = 0; - card->rxbd_rdptr = 0 | MWIFIEX_BD_FLAG_ROLLOVER_IND; + card->rxbd_rdptr = 0 | reg->rx_rollover_ind; card->rxbd_ring_vbase = NULL; card->rxbd_ring_pbase = 0; @@ -563,9 +754,7 @@ static int mwifiex_pcie_delete_rxbd_ring(struct mwifiex_adapter *adapter) static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - struct sk_buff *skb; - int i; - dma_addr_t buf_pa; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; /* * driver maintaines the read pointer and firmware maintaines the write @@ -573,10 +762,11 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter) * starts at zero with rollover bit set */ card->evtbd_wrptr = 0; - card->evtbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND; + card->evtbd_rdptr = reg->evt_rollover_ind; + + card->evtbd_ring_size = sizeof(struct mwifiex_evt_buf_desc) * + MWIFIEX_MAX_EVT_BD; - card->evtbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) * - MWIFIEX_MAX_EVT_BD; dev_dbg(adapter->dev, "info: evtbd_ring: Allocating %d bytes\n", card->evtbd_ring_size); card->evtbd_ring_vbase = pci_alloc_consistent(card->dev, @@ -595,39 +785,7 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter) (u32)((u64)card->evtbd_ring_pbase >> 32), card->evtbd_ring_size); - for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) { - card->evtbd_ring[i] = (struct mwifiex_pcie_buf_desc *) - (card->evtbd_ring_vbase + - (sizeof(struct mwifiex_pcie_buf_desc) - * i)); - - /* Allocate skb here so that firmware can DMA data from it */ - skb = dev_alloc_skb(MAX_EVENT_SIZE); - if (!skb) { - dev_err(adapter->dev, - "Unable to allocate skb for EVENT buf.\n"); - kfree(card->evtbd_ring_vbase); - return -ENOMEM; - } - skb_put(skb, MAX_EVENT_SIZE); - - if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE, - PCI_DMA_FROMDEVICE)) - return -1; - - MWIFIEX_SKB_PACB(skb, &buf_pa); - dev_dbg(adapter->dev, "info: Evt ring: add new skb. base: %p, " - "buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n", - skb, skb->data, (u32)buf_pa, (u32)((u64)buf_pa >> 32), - skb->len); - - card->evt_buf_list[i] = skb; - card->evtbd_ring[i]->paddr = buf_pa; - card->evtbd_ring[i]->len = (u16)skb->len; - card->evtbd_ring[i]->flags = 0; - } - - return 0; + return mwifiex_pcie_init_evt_ring(adapter); } /* @@ -636,29 +794,16 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter) static int mwifiex_pcie_delete_evtbd_ring(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - struct sk_buff *skb; - int i; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; - for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) { - if (card->evt_buf_list[i]) { - skb = card->evt_buf_list[i]; - pci_unmap_single(card->dev, card->evtbd_ring[i]->paddr, - MAX_EVENT_SIZE, PCI_DMA_FROMDEVICE); - dev_kfree_skb_any(skb); - } - card->evt_buf_list[i] = NULL; - card->evtbd_ring[i]->paddr = 0; - card->evtbd_ring[i]->len = 0; - card->evtbd_ring[i]->flags = 0; - card->evtbd_ring[i] = NULL; - } + mwifiex_cleanup_evt_ring(adapter); if (card->evtbd_ring_vbase) pci_free_consistent(card->dev, card->evtbd_ring_size, card->evtbd_ring_vbase, card->evtbd_ring_pbase); card->evtbd_wrptr = 0; - card->evtbd_rdptr = 0 | MWIFIEX_BD_FLAG_ROLLOVER_IND; + card->evtbd_rdptr = 0 | reg->evt_rollover_ind; card->evtbd_ring_size = 0; card->evtbd_ring_vbase = NULL; card->evtbd_ring_pbase = 0; @@ -771,12 +916,13 @@ static int mwifiex_pcie_delete_sleep_cookie_buf(struct mwifiex_adapter *adapter) static int mwifiex_clean_pcie_ring_buf(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; u32 rdptr; /* Read the TX ring read pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_TXBD_RDPTR, &rdptr)) { + if (mwifiex_read_reg(adapter, reg->tx_rdptr, &rdptr)) { dev_err(adapter->dev, - "Flush TXBD: failed to read REG_TXBD_RDPTR\n"); + "Flush TXBD: failed to read reg->tx_rdptr\n"); return -1; } @@ -800,31 +946,35 @@ static int mwifiex_clean_pcie_ring_buf(struct mwifiex_adapter *adapter) */ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter) { - const u32 num_tx_buffs = MWIFIEX_MAX_TXRX_BD; struct sk_buff *skb; dma_addr_t buf_pa; - u32 wrdoneidx, rdptr, unmap_count = 0; + u32 wrdoneidx, rdptr, num_tx_buffs, unmap_count = 0; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; if (!mwifiex_pcie_ok_to_access_hw(adapter)) mwifiex_pm_wakeup_card(adapter); /* Read the TX ring read pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_TXBD_RDPTR, &rdptr)) { + if (mwifiex_read_reg(adapter, reg->tx_rdptr, &rdptr)) { dev_err(adapter->dev, - "SEND COMP: failed to read REG_TXBD_RDPTR\n"); + "SEND COMP: failed to read reg->tx_rdptr\n"); return -1; } dev_dbg(adapter->dev, "SEND COMP: rdptr_prev=0x%x, rdptr=0x%x\n", card->txbd_rdptr, rdptr); + num_tx_buffs = MWIFIEX_MAX_TXRX_BD << reg->tx_start_ptr; /* free from previous txbd_rdptr to current txbd_rdptr */ - while (((card->txbd_rdptr & MWIFIEX_TXBD_MASK) != - (rdptr & MWIFIEX_TXBD_MASK)) || - ((card->txbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) != - (rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) { - wrdoneidx = card->txbd_rdptr & MWIFIEX_TXBD_MASK; + while (((card->txbd_rdptr & reg->tx_mask) != + (rdptr & reg->tx_mask)) || + ((card->txbd_rdptr & reg->tx_rollover_ind) != + (rdptr & reg->tx_rollover_ind))) { + wrdoneidx = (card->txbd_rdptr & reg->tx_mask) >> + reg->tx_start_ptr; skb = card->tx_buf_list[wrdoneidx]; if (skb) { @@ -845,25 +995,38 @@ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter) } card->tx_buf_list[wrdoneidx] = NULL; - card->txbd_ring[wrdoneidx]->paddr = 0; - card->txbd_ring[wrdoneidx]->len = 0; - card->txbd_ring[wrdoneidx]->flags = 0; - card->txbd_rdptr++; - if ((card->txbd_rdptr & MWIFIEX_TXBD_MASK) == num_tx_buffs) + if (reg->pfu_enabled) { + desc2 = (void *)card->txbd_ring[wrdoneidx]; + memset(desc2, 0, sizeof(*desc2)); + } else { + desc = card->txbd_ring[wrdoneidx]; + memset(desc, 0, sizeof(*desc)); + } + switch (card->dev->device) { + case PCIE_DEVICE_ID_MARVELL_88W8766P: + card->txbd_rdptr++; + break; + case PCIE_DEVICE_ID_MARVELL_88W8897: + card->txbd_rdptr += reg->ring_tx_start_ptr; + break; + } + + + if ((card->txbd_rdptr & reg->tx_mask) == num_tx_buffs) card->txbd_rdptr = ((card->txbd_rdptr & - MWIFIEX_BD_FLAG_ROLLOVER_IND) ^ - MWIFIEX_BD_FLAG_ROLLOVER_IND); + reg->tx_rollover_ind) ^ + reg->tx_rollover_ind); } if (unmap_count) adapter->data_sent = false; if (card->txbd_flush) { - if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) == - (card->txbd_rdptr & MWIFIEX_TXBD_MASK)) && - ((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) != - (card->txbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) + if (((card->txbd_wrptr & reg->tx_mask) == + (card->txbd_rdptr & reg->tx_mask)) && + ((card->txbd_wrptr & reg->tx_rollover_ind) != + (card->txbd_rdptr & reg->tx_rollover_ind))) card->txbd_flush = 0; else mwifiex_clean_pcie_ring_buf(adapter); @@ -883,9 +1046,12 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb, struct mwifiex_tx_param *tx_param) { struct pcie_service_card *card = adapter->card; - u32 wrindx; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + u32 wrindx, num_tx_buffs, rx_val; int ret; dma_addr_t buf_pa; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; __le16 *tmp; if (!(skb->data && skb->len)) { @@ -897,6 +1063,7 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb, if (!mwifiex_pcie_ok_to_access_hw(adapter)) mwifiex_pm_wakeup_card(adapter); + num_tx_buffs = MWIFIEX_MAX_TXRX_BD << reg->tx_start_ptr; dev_dbg(adapter->dev, "info: SEND DATA: <Rd: %#x, Wr: %#x>\n", card->txbd_rdptr, card->txbd_wrptr); if (mwifiex_pcie_txbd_not_full(card)) { @@ -913,25 +1080,46 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb, PCI_DMA_TODEVICE)) return -1; - wrindx = card->txbd_wrptr & MWIFIEX_TXBD_MASK; + wrindx = (card->txbd_wrptr & reg->tx_mask) >> reg->tx_start_ptr; MWIFIEX_SKB_PACB(skb, &buf_pa); card->tx_buf_list[wrindx] = skb; - card->txbd_ring[wrindx]->paddr = buf_pa; - card->txbd_ring[wrindx]->len = (u16)skb->len; - card->txbd_ring[wrindx]->flags = MWIFIEX_BD_FLAG_FIRST_DESC | - MWIFIEX_BD_FLAG_LAST_DESC; - if ((++card->txbd_wrptr & MWIFIEX_TXBD_MASK) == - MWIFIEX_MAX_TXRX_BD) + if (reg->pfu_enabled) { + desc2 = (void *)card->txbd_ring[wrindx]; + desc2->paddr = buf_pa; + desc2->len = (u16)skb->len; + desc2->frag_len = (u16)skb->len; + desc2->offset = 0; + desc2->flags = MWIFIEX_BD_FLAG_FIRST_DESC | + MWIFIEX_BD_FLAG_LAST_DESC; + } else { + desc = card->txbd_ring[wrindx]; + desc->paddr = buf_pa; + desc->len = (u16)skb->len; + desc->flags = MWIFIEX_BD_FLAG_FIRST_DESC | + MWIFIEX_BD_FLAG_LAST_DESC; + } + + switch (card->dev->device) { + case PCIE_DEVICE_ID_MARVELL_88W8766P: + card->txbd_wrptr++; + break; + case PCIE_DEVICE_ID_MARVELL_88W8897: + card->txbd_wrptr += reg->ring_tx_start_ptr; + break; + } + + if ((card->txbd_wrptr & reg->tx_mask) == num_tx_buffs) card->txbd_wrptr = ((card->txbd_wrptr & - MWIFIEX_BD_FLAG_ROLLOVER_IND) ^ - MWIFIEX_BD_FLAG_ROLLOVER_IND); + reg->tx_rollover_ind) ^ + reg->tx_rollover_ind); - /* Write the TX ring write pointer in to REG_TXBD_WRPTR */ - if (mwifiex_write_reg(adapter, REG_TXBD_WRPTR, - card->txbd_wrptr)) { + rx_val = card->rxbd_rdptr & reg->rx_wrap_mask; + /* Write the TX ring write pointer in to reg->tx_wrptr */ + if (mwifiex_write_reg(adapter, reg->tx_wrptr, + card->txbd_wrptr | rx_val)) { dev_err(adapter->dev, - "SEND DATA: failed to write REG_TXBD_WRPTR\n"); + "SEND DATA: failed to write reg->tx_wrptr\n"); ret = -1; goto done_unmap; } @@ -971,9 +1159,11 @@ done_unmap: MWIFIEX_SKB_PACB(skb, &buf_pa); pci_unmap_single(card->dev, buf_pa, skb->len, PCI_DMA_TODEVICE); card->tx_buf_list[wrindx] = NULL; - card->txbd_ring[wrindx]->paddr = 0; - card->txbd_ring[wrindx]->len = 0; - card->txbd_ring[wrindx]->flags = 0; + if (reg->pfu_enabled) + memset(desc2, 0, sizeof(*desc2)); + else + memset(desc, 0, sizeof(*desc)); + return ret; } @@ -984,32 +1174,35 @@ done_unmap: static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - u32 wrptr, rd_index; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + u32 wrptr, rd_index, tx_val; dma_addr_t buf_pa; int ret = 0; struct sk_buff *skb_tmp = NULL; + struct mwifiex_pcie_buf_desc *desc; + struct mwifiex_pfu_buf_desc *desc2; if (!mwifiex_pcie_ok_to_access_hw(adapter)) mwifiex_pm_wakeup_card(adapter); /* Read the RX ring Write pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) { + if (mwifiex_read_reg(adapter, reg->rx_wrptr, &wrptr)) { dev_err(adapter->dev, - "RECV DATA: failed to read REG_TXBD_RDPTR\n"); + "RECV DATA: failed to read reg->rx_wrptr\n"); ret = -1; goto done; } card->rxbd_wrptr = wrptr; - while (((wrptr & MWIFIEX_RXBD_MASK) != - (card->rxbd_rdptr & MWIFIEX_RXBD_MASK)) || - ((wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) == - (card->rxbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) { + while (((wrptr & reg->rx_mask) != + (card->rxbd_rdptr & reg->rx_mask)) || + ((wrptr & reg->rx_rollover_ind) == + (card->rxbd_rdptr & reg->rx_rollover_ind))) { struct sk_buff *skb_data; u16 rx_len; __le16 pkt_len; - rd_index = card->rxbd_rdptr & MWIFIEX_RXBD_MASK; + rd_index = card->rxbd_rdptr & reg->rx_mask; skb_data = card->rx_buf_list[rd_index]; MWIFIEX_SKB_PACB(skb_data, &buf_pa); @@ -1047,32 +1240,44 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) "RECV DATA: Attach new sk_buff %p at rxbd_rdidx=%d\n", skb_tmp, rd_index); card->rx_buf_list[rd_index] = skb_tmp; - card->rxbd_ring[rd_index]->paddr = buf_pa; - card->rxbd_ring[rd_index]->len = skb_tmp->len; - card->rxbd_ring[rd_index]->flags = 0; - if ((++card->rxbd_rdptr & MWIFIEX_RXBD_MASK) == + if (reg->pfu_enabled) { + desc2 = (void *)card->rxbd_ring[rd_index]; + desc2->paddr = buf_pa; + desc2->len = skb_tmp->len; + desc2->frag_len = skb_tmp->len; + desc2->offset = 0; + desc2->flags = reg->ring_flag_sop | reg->ring_flag_eop; + } else { + desc = card->rxbd_ring[rd_index]; + desc->paddr = buf_pa; + desc->len = skb_tmp->len; + desc->flags = 0; + } + + if ((++card->rxbd_rdptr & reg->rx_mask) == MWIFIEX_MAX_TXRX_BD) { card->rxbd_rdptr = ((card->rxbd_rdptr & - MWIFIEX_BD_FLAG_ROLLOVER_IND) ^ - MWIFIEX_BD_FLAG_ROLLOVER_IND); + reg->rx_rollover_ind) ^ + reg->rx_rollover_ind); } dev_dbg(adapter->dev, "info: RECV DATA: <Rd: %#x, Wr: %#x>\n", card->rxbd_rdptr, wrptr); - /* Write the RX ring read pointer in to REG_RXBD_RDPTR */ - if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR, - card->rxbd_rdptr)) { + tx_val = card->txbd_wrptr & reg->tx_wrap_mask; + /* Write the RX ring read pointer in to reg->rx_rdptr */ + if (mwifiex_write_reg(adapter, reg->rx_rdptr, + card->rxbd_rdptr | tx_val)) { dev_err(adapter->dev, - "RECV DATA: failed to write REG_RXBD_RDPTR\n"); + "RECV DATA: failed to write reg->rx_rdptr\n"); ret = -1; goto done; } /* Read the RX ring Write pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) { + if (mwifiex_read_reg(adapter, reg->rx_wrptr, &wrptr)) { dev_err(adapter->dev, - "RECV DATA: failed to read REG_TXBD_RDPTR\n"); + "RECV DATA: failed to read reg->rx_wrptr\n"); ret = -1; goto done; } @@ -1093,6 +1298,7 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) { dma_addr_t buf_pa; struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; if (!(skb->data && skb->len)) { dev_err(adapter->dev, @@ -1106,9 +1312,10 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) MWIFIEX_SKB_PACB(skb, &buf_pa); - /* Write the lower 32bits of the physical address to scratch - * register 0 */ - if (mwifiex_write_reg(adapter, PCIE_SCRATCH_0_REG, (u32)buf_pa)) { + /* Write the lower 32bits of the physical address to low command + * address scratch register + */ + if (mwifiex_write_reg(adapter, reg->cmd_addr_lo, (u32)buf_pa)) { dev_err(adapter->dev, "%s: failed to write download command to boot code.\n", __func__); @@ -1117,9 +1324,10 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) return -1; } - /* Write the upper 32bits of the physical address to scratch - * register 1 */ - if (mwifiex_write_reg(adapter, PCIE_SCRATCH_1_REG, + /* Write the upper 32bits of the physical address to high command + * address scratch register + */ + if (mwifiex_write_reg(adapter, reg->cmd_addr_hi, (u32)((u64)buf_pa >> 32))) { dev_err(adapter->dev, "%s: failed to write download command to boot code.\n", @@ -1129,10 +1337,10 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) return -1; } - /* Write the command length to scratch register 2 */ - if (mwifiex_write_reg(adapter, PCIE_SCRATCH_2_REG, skb->len)) { + /* Write the command length to cmd_size scratch register */ + if (mwifiex_write_reg(adapter, reg->cmd_size, skb->len)) { dev_err(adapter->dev, - "%s: failed to write command len to scratch reg 2\n", + "%s: failed to write command len to cmd_size scratch reg\n", __func__); pci_unmap_single(card->dev, buf_pa, MWIFIEX_UPLD_SIZE, PCI_DMA_TODEVICE); @@ -1158,11 +1366,14 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) static int mwifiex_pcie_init_fw_port(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + int tx_wrap = card->txbd_wrptr & reg->tx_wrap_mask; - /* Write the RX ring read pointer in to REG_RXBD_RDPTR */ - if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR, card->rxbd_rdptr | 0)) { + /* Write the RX ring read pointer in to reg->rx_rdptr */ + if (mwifiex_write_reg(adapter, reg->rx_rdptr, card->rxbd_rdptr | + tx_wrap)) { dev_err(adapter->dev, - "RECV DATA: failed to write REG_RXBD_RDPTR\n"); + "RECV DATA: failed to write reg->rx_rdptr\n"); return -1; } return 0; @@ -1174,6 +1385,7 @@ static int mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; int ret = 0; dma_addr_t cmd_buf_pa, cmdrsp_buf_pa; u8 *payload = (u8 *)skb->data; @@ -1206,7 +1418,7 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) /* To send a command, the driver will: 1. Write the 64bit physical address of the data buffer to - SCRATCH1 + SCRATCH0 + cmd response address low + cmd response address high 2. Ring the door bell (i.e. set the door bell interrupt) In response to door bell interrupt, the firmware will perform @@ -1218,7 +1430,7 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) MWIFIEX_SKB_PACB(card->cmdrsp_buf, &cmdrsp_buf_pa); /* Write the lower 32bits of the cmdrsp buffer physical address */ - if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO, + if (mwifiex_write_reg(adapter, reg->cmdrsp_addr_lo, (u32)cmdrsp_buf_pa)) { dev_err(adapter->dev, "Failed to write download cmd to boot code.\n"); @@ -1227,7 +1439,7 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) } /* Write the upper 32bits of the cmdrsp buffer physical address */ - if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI, + if (mwifiex_write_reg(adapter, reg->cmdrsp_addr_hi, (u32)((u64)cmdrsp_buf_pa >> 32))) { dev_err(adapter->dev, "Failed to write download cmd to boot code.\n"); @@ -1237,15 +1449,16 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) } MWIFIEX_SKB_PACB(card->cmd_buf, &cmd_buf_pa); - /* Write the lower 32bits of the physical address to REG_CMD_ADDR_LO */ - if (mwifiex_write_reg(adapter, REG_CMD_ADDR_LO, (u32)cmd_buf_pa)) { + /* Write the lower 32bits of the physical address to reg->cmd_addr_lo */ + if (mwifiex_write_reg(adapter, reg->cmd_addr_lo, + (u32)cmd_buf_pa)) { dev_err(adapter->dev, "Failed to write download cmd to boot code.\n"); ret = -1; goto done; } - /* Write the upper 32bits of the physical address to REG_CMD_ADDR_HI */ - if (mwifiex_write_reg(adapter, REG_CMD_ADDR_HI, + /* Write the upper 32bits of the physical address to reg->cmd_addr_hi */ + if (mwifiex_write_reg(adapter, reg->cmd_addr_hi, (u32)((u64)cmd_buf_pa >> 32))) { dev_err(adapter->dev, "Failed to write download cmd to boot code.\n"); @@ -1253,10 +1466,11 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) goto done; } - /* Write the command length to REG_CMD_SIZE */ - if (mwifiex_write_reg(adapter, REG_CMD_SIZE, card->cmd_buf->len)) { + /* Write the command length to reg->cmd_size */ + if (mwifiex_write_reg(adapter, reg->cmd_size, + card->cmd_buf->len)) { dev_err(adapter->dev, - "Failed to write cmd len to REG_CMD_SIZE\n"); + "Failed to write cmd len to reg->cmd_size\n"); ret = -1; goto done; } @@ -1283,6 +1497,7 @@ done: static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; struct sk_buff *skb = card->cmdrsp_buf; int count = 0; u16 rx_len; @@ -1304,8 +1519,8 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) if (adapter->ps_state == PS_STATE_SLEEP_CFM) { mwifiex_process_sleep_confirm_resp(adapter, skb->data, skb->len); - while (mwifiex_pcie_ok_to_access_hw(adapter) && - (count++ < 10)) + while (reg->sleep_cookie && (count++ < 10) && + mwifiex_pcie_ok_to_access_hw(adapter)) usleep_range(50, 60); } else { dev_err(adapter->dev, @@ -1328,14 +1543,14 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) /* Clear the cmd-rsp buffer address in scratch registers. This will prevent firmware from writing to the same response buffer again. */ - if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO, 0)) { + if (mwifiex_write_reg(adapter, reg->cmdrsp_addr_lo, 0)) { dev_err(adapter->dev, "cmd_done: failed to clear cmd_rsp_addr_lo\n"); return -1; } /* Write the upper 32bits of the cmdrsp buffer physical address */ - if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI, 0)) { + if (mwifiex_write_reg(adapter, reg->cmdrsp_addr_hi, 0)) { dev_err(adapter->dev, "cmd_done: failed to clear cmd_rsp_addr_hi\n"); return -1; @@ -1380,9 +1595,11 @@ static int mwifiex_pcie_cmdrsp_complete(struct mwifiex_adapter *adapter, static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; u32 rdptr = card->evtbd_rdptr & MWIFIEX_EVTBD_MASK; u32 wrptr, event; dma_addr_t buf_pa; + struct mwifiex_evt_buf_desc *desc; if (!mwifiex_pcie_ok_to_access_hw(adapter)) mwifiex_pm_wakeup_card(adapter); @@ -1399,9 +1616,9 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter) } /* Read the event ring write pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) { + if (mwifiex_read_reg(adapter, reg->evt_wrptr, &wrptr)) { dev_err(adapter->dev, - "EventReady: failed to read REG_EVTBD_WRPTR\n"); + "EventReady: failed to read reg->evt_wrptr\n"); return -1; } @@ -1409,8 +1626,8 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter) card->evtbd_rdptr, wrptr); if (((wrptr & MWIFIEX_EVTBD_MASK) != (card->evtbd_rdptr & MWIFIEX_EVTBD_MASK)) || - ((wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) == - (card->evtbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) { + ((wrptr & reg->evt_rollover_ind) == + (card->evtbd_rdptr & reg->evt_rollover_ind))) { struct sk_buff *skb_cmd; __le16 data_len = 0; u16 evt_len; @@ -1424,9 +1641,8 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter) /* Take the pointer and set it to event pointer in adapter and will return back after event handling callback */ card->evt_buf_list[rdptr] = NULL; - card->evtbd_ring[rdptr]->paddr = 0; - card->evtbd_ring[rdptr]->len = 0; - card->evtbd_ring[rdptr]->flags = 0; + desc = card->evtbd_ring[rdptr]; + memset(desc, 0, sizeof(*desc)); event = *(u32 *) &skb_cmd->data[INTF_HEADER_LEN]; adapter->event_cause = event; @@ -1462,10 +1678,12 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, struct sk_buff *skb) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; int ret = 0; u32 rdptr = card->evtbd_rdptr & MWIFIEX_EVTBD_MASK; u32 wrptr; dma_addr_t buf_pa; + struct mwifiex_evt_buf_desc *desc; if (!skb) return 0; @@ -1477,9 +1695,9 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, } /* Read the event ring write pointer set by firmware */ - if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) { + if (mwifiex_read_reg(adapter, reg->evt_wrptr, &wrptr)) { dev_err(adapter->dev, - "event_complete: failed to read REG_EVTBD_WRPTR\n"); + "event_complete: failed to read reg->evt_wrptr\n"); return -1; } @@ -1492,9 +1710,10 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, MWIFIEX_SKB_PACB(skb, &buf_pa); card->evt_buf_list[rdptr] = skb; MWIFIEX_SKB_PACB(skb, &buf_pa); - card->evtbd_ring[rdptr]->paddr = buf_pa; - card->evtbd_ring[rdptr]->len = (u16)skb->len; - card->evtbd_ring[rdptr]->flags = 0; + desc = card->evtbd_ring[rdptr]; + desc->paddr = buf_pa; + desc->len = (u16)skb->len; + desc->flags = 0; skb = NULL; } else { dev_dbg(adapter->dev, @@ -1504,17 +1723,18 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, if ((++card->evtbd_rdptr & MWIFIEX_EVTBD_MASK) == MWIFIEX_MAX_EVT_BD) { card->evtbd_rdptr = ((card->evtbd_rdptr & - MWIFIEX_BD_FLAG_ROLLOVER_IND) ^ - MWIFIEX_BD_FLAG_ROLLOVER_IND); + reg->evt_rollover_ind) ^ + reg->evt_rollover_ind); } dev_dbg(adapter->dev, "info: Updated <Rd: 0x%x, Wr: 0x%x>", card->evtbd_rdptr, wrptr); - /* Write the event ring read pointer in to REG_EVTBD_RDPTR */ - if (mwifiex_write_reg(adapter, REG_EVTBD_RDPTR, card->evtbd_rdptr)) { + /* Write the event ring read pointer in to reg->evt_rdptr */ + if (mwifiex_write_reg(adapter, reg->evt_rdptr, + card->evtbd_rdptr)) { dev_err(adapter->dev, - "event_complete: failed to read REG_EVTBD_RDPTR\n"); + "event_complete: failed to read reg->evt_rdptr\n"); return -1; } @@ -1543,6 +1763,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, u32 block_retry_cnt = 0; dma_addr_t buf_pa; struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; if (!firmware || !firmware_len) { dev_err(adapter->dev, @@ -1574,7 +1795,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, break; for (tries = 0; tries < MAX_POLL_TRIES; tries++) { - ret = mwifiex_read_reg(adapter, PCIE_SCRATCH_2_REG, + ret = mwifiex_read_reg(adapter, reg->cmd_size, &len); if (ret) { dev_warn(adapter->dev, @@ -1620,16 +1841,15 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, dev_dbg(adapter->dev, "."); - tx_blocks = (txlen + - MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD - 1) / - MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD; + tx_blocks = (txlen + card->pcie.blksz_fw_dl - 1) / + card->pcie.blksz_fw_dl; /* Copy payload to buffer */ memmove(skb->data, &firmware[offset], txlen); } skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len); - skb_trim(skb, tx_blocks * MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD); + skb_trim(skb, tx_blocks * card->pcie.blksz_fw_dl); /* Send the boot command to device */ if (mwifiex_pcie_send_boot_cmd(adapter, skb)) { @@ -1682,6 +1902,8 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num) { int ret = 0; u32 firmware_stat, winner_status; + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; u32 tries; /* Mask spurios interrupts */ @@ -1692,7 +1914,8 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num) } dev_dbg(adapter->dev, "Setting driver ready signature\n"); - if (mwifiex_write_reg(adapter, REG_DRV_READY, FIRMWARE_READY_PCIE)) { + if (mwifiex_write_reg(adapter, reg->drv_rdy, + FIRMWARE_READY_PCIE)) { dev_err(adapter->dev, "Failed to write driver ready signature\n"); return -1; @@ -1700,7 +1923,7 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num) /* Wait for firmware initialization event */ for (tries = 0; tries < poll_num; tries++) { - if (mwifiex_read_reg(adapter, PCIE_SCRATCH_3_REG, + if (mwifiex_read_reg(adapter, reg->fw_status, &firmware_stat)) ret = -1; else @@ -1717,7 +1940,7 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num) } if (ret) { - if (mwifiex_read_reg(adapter, PCIE_SCRATCH_3_REG, + if (mwifiex_read_reg(adapter, reg->fw_status, &winner_status)) ret = -1; else if (!winner_status) { @@ -1955,6 +2178,7 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter) struct pcie_service_card *card = adapter->card; int ret; struct pci_dev *pdev = card->dev; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; pci_set_drvdata(pdev, card); @@ -2017,10 +2241,13 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter) ret = mwifiex_pcie_alloc_cmdrsp_buf(adapter); if (ret) goto err_alloc_cmdbuf; - ret = mwifiex_pcie_alloc_sleep_cookie_buf(adapter); - if (ret) - goto err_alloc_cookie; - + if (reg->sleep_cookie) { + ret = mwifiex_pcie_alloc_sleep_cookie_buf(adapter); + if (ret) + goto err_alloc_cookie; + } else { + card->sleep_cookie_vbase = NULL; + } return ret; err_alloc_cookie: @@ -2061,10 +2288,11 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; struct pci_dev *pdev = card->dev; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; if (user_rmmod) { dev_dbg(adapter->dev, "Clearing driver ready signature\n"); - if (mwifiex_write_reg(adapter, REG_DRV_READY, 0x00000000)) + if (mwifiex_write_reg(adapter, reg->drv_rdy, 0x00000000)) dev_err(adapter->dev, "Failed to write driver not-ready signature\n"); } @@ -2102,7 +2330,7 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) } adapter->dev = &pdev->dev; - strcpy(adapter->fw_name, PCIE8766_DEFAULT_FW_NAME); + strcpy(adapter->fw_name, card->pcie.firmware); return 0; } @@ -2116,12 +2344,16 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg; if (card) { dev_dbg(adapter->dev, "%s(): calling free_irq()\n", __func__); free_irq(card->dev->irq, card->dev); - mwifiex_pcie_delete_sleep_cookie_buf(adapter); + reg = card->pcie.reg; + if (reg->sleep_cookie) + mwifiex_pcie_delete_sleep_cookie_buf(adapter); + mwifiex_pcie_delete_cmdrsp_buf(adapter); mwifiex_pcie_delete_evtbd_ring(adapter); mwifiex_pcie_delete_rxbd_ring(adapter); @@ -2162,7 +2394,7 @@ static int mwifiex_pcie_init_module(void) { int ret; - pr_debug("Marvell 8766 PCIe Driver\n"); + pr_debug("Marvell PCIe Driver\n"); sema_init(&add_remove_card_sem, 1); @@ -2205,4 +2437,5 @@ MODULE_AUTHOR("Marvell International Ltd."); MODULE_DESCRIPTION("Marvell WiFi-Ex PCI-Express Driver version " PCIE_VERSION); MODULE_VERSION(PCIE_VERSION); MODULE_LICENSE("GPL v2"); -MODULE_FIRMWARE("mrvl/pcie8766_uapsta.bin"); +MODULE_FIRMWARE(PCIE8766_DEFAULT_FW_NAME); +MODULE_FIRMWARE(PCIE8897_DEFAULT_FW_NAME); diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h index 37eeb2ca6b29..d322ab8604ea 100644 --- a/drivers/net/wireless/mwifiex/pcie.h +++ b/drivers/net/wireless/mwifiex/pcie.h @@ -29,6 +29,11 @@ #include "main.h" #define PCIE8766_DEFAULT_FW_NAME "mrvl/pcie8766_uapsta.bin" +#define PCIE8897_DEFAULT_FW_NAME "mrvl/pcie8897_uapsta.bin" + +#define PCIE_VENDOR_ID_MARVELL (0x11ab) +#define PCIE_DEVICE_ID_MARVELL_88W8766P (0x2b30) +#define PCIE_DEVICE_ID_MARVELL_88W8897 (0x2b38) /* Constants for Buffer Descriptor (BD) rings */ #define MWIFIEX_MAX_TXRX_BD 0x20 @@ -57,6 +62,8 @@ #define PCIE_SCRATCH_10_REG 0xCE8 #define PCIE_SCRATCH_11_REG 0xCEC #define PCIE_SCRATCH_12_REG 0xCF0 +#define PCIE_RD_DATA_PTR_Q0_Q1 0xC08C +#define PCIE_WR_DATA_PTR_Q0_Q1 0xC05C #define CPU_INTR_DNLD_RDY BIT(0) #define CPU_INTR_DOOR_BELL BIT(1) @@ -75,27 +82,14 @@ #define MWIFIEX_BD_FLAG_ROLLOVER_IND BIT(7) #define MWIFIEX_BD_FLAG_FIRST_DESC BIT(0) #define MWIFIEX_BD_FLAG_LAST_DESC BIT(1) -#define REG_CMD_ADDR_LO PCIE_SCRATCH_0_REG -#define REG_CMD_ADDR_HI PCIE_SCRATCH_1_REG -#define REG_CMD_SIZE PCIE_SCRATCH_2_REG - -#define REG_CMDRSP_ADDR_LO PCIE_SCRATCH_4_REG -#define REG_CMDRSP_ADDR_HI PCIE_SCRATCH_5_REG - -/* TX buffer description read pointer */ -#define REG_TXBD_RDPTR PCIE_SCRATCH_6_REG -/* TX buffer description write pointer */ -#define REG_TXBD_WRPTR PCIE_SCRATCH_7_REG -/* RX buffer description read pointer */ -#define REG_RXBD_RDPTR PCIE_SCRATCH_8_REG -/* RX buffer description write pointer */ -#define REG_RXBD_WRPTR PCIE_SCRATCH_9_REG -/* Event buffer description read pointer */ -#define REG_EVTBD_RDPTR PCIE_SCRATCH_10_REG -/* Event buffer description write pointer */ -#define REG_EVTBD_WRPTR PCIE_SCRATCH_11_REG -/* Driver ready signature write pointer */ -#define REG_DRV_READY PCIE_SCRATCH_12_REG +#define MWIFIEX_BD_FLAG_SOP BIT(0) +#define MWIFIEX_BD_FLAG_EOP BIT(1) +#define MWIFIEX_BD_FLAG_XS_SOP BIT(2) +#define MWIFIEX_BD_FLAG_XS_EOP BIT(3) +#define MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND BIT(7) +#define MWIFIEX_BD_FLAG_RX_ROLLOVER_IND BIT(10) +#define MWIFIEX_BD_FLAG_TX_START_PTR BIT(16) +#define MWIFIEX_BD_FLAG_TX_ROLLOVER_IND BIT(26) /* Max retry number of command write */ #define MAX_WRITE_IOMEM_RETRY 2 @@ -104,15 +98,142 @@ /* FW awake cookie after FW ready */ #define FW_AWAKE_COOKIE (0xAA55AA55) +struct mwifiex_pcie_card_reg { + u16 cmd_addr_lo; + u16 cmd_addr_hi; + u16 fw_status; + u16 cmd_size; + u16 cmdrsp_addr_lo; + u16 cmdrsp_addr_hi; + u16 tx_rdptr; + u16 tx_wrptr; + u16 rx_rdptr; + u16 rx_wrptr; + u16 evt_rdptr; + u16 evt_wrptr; + u16 drv_rdy; + u16 tx_start_ptr; + u32 tx_mask; + u32 tx_wrap_mask; + u32 rx_mask; + u32 rx_wrap_mask; + u32 tx_rollover_ind; + u32 rx_rollover_ind; + u32 evt_rollover_ind; + u8 ring_flag_sop; + u8 ring_flag_eop; + u8 ring_flag_xs_sop; + u8 ring_flag_xs_eop; + u32 ring_tx_start_ptr; + u8 pfu_enabled; + u8 sleep_cookie; +}; + +static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = { + .cmd_addr_lo = PCIE_SCRATCH_0_REG, + .cmd_addr_hi = PCIE_SCRATCH_1_REG, + .cmd_size = PCIE_SCRATCH_2_REG, + .fw_status = PCIE_SCRATCH_3_REG, + .cmdrsp_addr_lo = PCIE_SCRATCH_4_REG, + .cmdrsp_addr_hi = PCIE_SCRATCH_5_REG, + .tx_rdptr = PCIE_SCRATCH_6_REG, + .tx_wrptr = PCIE_SCRATCH_7_REG, + .rx_rdptr = PCIE_SCRATCH_8_REG, + .rx_wrptr = PCIE_SCRATCH_9_REG, + .evt_rdptr = PCIE_SCRATCH_10_REG, + .evt_wrptr = PCIE_SCRATCH_11_REG, + .drv_rdy = PCIE_SCRATCH_12_REG, + .tx_start_ptr = 0, + .tx_mask = MWIFIEX_TXBD_MASK, + .tx_wrap_mask = 0, + .rx_mask = MWIFIEX_RXBD_MASK, + .rx_wrap_mask = 0, + .tx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND, + .rx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND, + .evt_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND, + .ring_flag_sop = 0, + .ring_flag_eop = 0, + .ring_flag_xs_sop = 0, + .ring_flag_xs_eop = 0, + .ring_tx_start_ptr = 0, + .pfu_enabled = 0, + .sleep_cookie = 1, +}; + +static const struct mwifiex_pcie_card_reg mwifiex_reg_8897 = { + .cmd_addr_lo = PCIE_SCRATCH_0_REG, + .cmd_addr_hi = PCIE_SCRATCH_1_REG, + .cmd_size = PCIE_SCRATCH_2_REG, + .fw_status = PCIE_SCRATCH_3_REG, + .cmdrsp_addr_lo = PCIE_SCRATCH_4_REG, + .cmdrsp_addr_hi = PCIE_SCRATCH_5_REG, + .tx_rdptr = PCIE_RD_DATA_PTR_Q0_Q1, + .tx_wrptr = PCIE_WR_DATA_PTR_Q0_Q1, + .rx_rdptr = PCIE_WR_DATA_PTR_Q0_Q1, + .rx_wrptr = PCIE_RD_DATA_PTR_Q0_Q1, + .evt_rdptr = PCIE_SCRATCH_10_REG, + .evt_wrptr = PCIE_SCRATCH_11_REG, + .drv_rdy = PCIE_SCRATCH_12_REG, + .tx_start_ptr = 16, + .tx_mask = 0x03FF0000, + .tx_wrap_mask = 0x07FF0000, + .rx_mask = 0x000003FF, + .rx_wrap_mask = 0x000007FF, + .tx_rollover_ind = MWIFIEX_BD_FLAG_TX_ROLLOVER_IND, + .rx_rollover_ind = MWIFIEX_BD_FLAG_RX_ROLLOVER_IND, + .evt_rollover_ind = MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND, + .ring_flag_sop = MWIFIEX_BD_FLAG_SOP, + .ring_flag_eop = MWIFIEX_BD_FLAG_EOP, + .ring_flag_xs_sop = MWIFIEX_BD_FLAG_XS_SOP, + .ring_flag_xs_eop = MWIFIEX_BD_FLAG_XS_EOP, + .ring_tx_start_ptr = MWIFIEX_BD_FLAG_TX_START_PTR, + .pfu_enabled = 1, + .sleep_cookie = 0, +}; + +struct mwifiex_pcie_device { + const char *firmware; + const struct mwifiex_pcie_card_reg *reg; + u16 blksz_fw_dl; +}; + +static const struct mwifiex_pcie_device mwifiex_pcie8766 = { + .firmware = PCIE8766_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_8766, + .blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD, +}; + +static const struct mwifiex_pcie_device mwifiex_pcie8897 = { + .firmware = PCIE8897_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_8897, + .blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD, +}; + +struct mwifiex_evt_buf_desc { + u64 paddr; + u16 len; + u16 flags; +} __packed; + struct mwifiex_pcie_buf_desc { u64 paddr; u16 len; u16 flags; } __packed; +struct mwifiex_pfu_buf_desc { + u16 flags; + u16 offset; + u16 frag_len; + u16 len; + u64 paddr; + u32 reserved; +} __packed; + struct pcie_service_card { struct pci_dev *dev; struct mwifiex_adapter *adapter; + struct mwifiex_pcie_device pcie; u8 txbd_flush; u32 txbd_wrptr; @@ -120,7 +241,7 @@ struct pcie_service_card { u32 txbd_ring_size; u8 *txbd_ring_vbase; dma_addr_t txbd_ring_pbase; - struct mwifiex_pcie_buf_desc *txbd_ring[MWIFIEX_MAX_TXRX_BD]; + void *txbd_ring[MWIFIEX_MAX_TXRX_BD]; struct sk_buff *tx_buf_list[MWIFIEX_MAX_TXRX_BD]; u32 rxbd_wrptr; @@ -128,7 +249,7 @@ struct pcie_service_card { u32 rxbd_ring_size; u8 *rxbd_ring_vbase; dma_addr_t rxbd_ring_pbase; - struct mwifiex_pcie_buf_desc *rxbd_ring[MWIFIEX_MAX_TXRX_BD]; + void *rxbd_ring[MWIFIEX_MAX_TXRX_BD]; struct sk_buff *rx_buf_list[MWIFIEX_MAX_TXRX_BD]; u32 evtbd_wrptr; @@ -136,7 +257,7 @@ struct pcie_service_card { u32 evtbd_ring_size; u8 *evtbd_ring_vbase; dma_addr_t evtbd_ring_pbase; - struct mwifiex_pcie_buf_desc *evtbd_ring[MWIFIEX_MAX_EVT_BD]; + void *evtbd_ring[MWIFIEX_MAX_EVT_BD]; struct sk_buff *evt_buf_list[MWIFIEX_MAX_EVT_BD]; struct sk_buff *cmd_buf; @@ -150,11 +271,24 @@ struct pcie_service_card { static inline int mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr) { - if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) == - (rdptr & MWIFIEX_TXBD_MASK)) && - ((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) != - (rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) - return 1; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + + switch (card->dev->device) { + case PCIE_DEVICE_ID_MARVELL_88W8766P: + if (((card->txbd_wrptr & reg->tx_mask) == + (rdptr & reg->tx_mask)) && + ((card->txbd_wrptr & reg->tx_rollover_ind) != + (rdptr & reg->tx_rollover_ind))) + return 1; + break; + case PCIE_DEVICE_ID_MARVELL_88W8897: + if (((card->txbd_wrptr & reg->tx_mask) == + (rdptr & reg->tx_mask)) && + ((card->txbd_wrptr & reg->tx_rollover_ind) == + (rdptr & reg->tx_rollover_ind))) + return 1; + break; + } return 0; } @@ -162,11 +296,24 @@ mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr) static inline int mwifiex_pcie_txbd_not_full(struct pcie_service_card *card) { - if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) != - (card->txbd_rdptr & MWIFIEX_TXBD_MASK)) || - ((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) != - (card->txbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) - return 1; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + + switch (card->dev->device) { + case PCIE_DEVICE_ID_MARVELL_88W8766P: + if (((card->txbd_wrptr & reg->tx_mask) != + (card->txbd_rdptr & reg->tx_mask)) || + ((card->txbd_wrptr & reg->tx_rollover_ind) != + (card->txbd_rdptr & reg->tx_rollover_ind))) + return 1; + break; + case PCIE_DEVICE_ID_MARVELL_88W8897: + if (((card->txbd_wrptr & reg->tx_mask) != + (card->txbd_rdptr & reg->tx_mask)) || + ((card->txbd_wrptr & reg->tx_rollover_ind) == + (card->txbd_rdptr & reg->tx_rollover_ind))) + return 1; + break; + } return 0; } diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index d41f0e647280..e0cce1b52d55 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1741,7 +1741,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, .mac_address, ETH_ALEN)) mwifiex_update_curr_bss_params(priv, bss); - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->wdev->wiphy, bss); } } else { dev_dbg(adapter->dev, "missing BSS channel IE\n"); diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index b8fa76a2b953..7eef74564a92 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -162,13 +162,9 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, rcu_read_lock(); ies = rcu_dereference(bss->ies); - if (WARN_ON(!ies)) { - /* should never happen */ - rcu_read_unlock(); - return -EINVAL; - } beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC); beacon_ie_len = ies->len; + bss_desc->timestamp = ies->tsf; rcu_read_unlock(); if (!beacon_ie) { @@ -184,7 +180,6 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, bss_desc->cap_info_bitmap = bss->capability; bss_desc->bss_band = bss_priv->band; bss_desc->fw_tsf = bss_priv->fw_tsf; - bss_desc->timestamp = bss->tsf; if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n"); bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; @@ -322,7 +317,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, } if (bss) - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->adapter->wiphy, bss); } else { /* Adhoc mode */ /* If the requested SSID matches current SSID, return */ @@ -352,7 +347,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, " list. Joining...\n"); ret = mwifiex_adhoc_join(priv, bss_desc); if (bss) - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->adapter->wiphy, bss); } else { dev_dbg(adapter->dev, "info: Network not found in " "the list, creating adhoc with ssid = %s\n", diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index c86e4573798f..091d9a64080a 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -5471,6 +5471,8 @@ static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, + { PCI_VDEVICE(MARVELL, 0x2a41), .driver_data = MWL8366, }, + { PCI_VDEVICE(MARVELL, 0x2a42), .driver_data = MWL8366, }, { PCI_VDEVICE(MARVELL, 0x2a43), .driver_data = MWL8366, }, { }, }; diff --git a/drivers/net/wireless/orinoco/scan.c b/drivers/net/wireless/orinoco/scan.c index 96e39edfec77..e8c5714bfd11 100644 --- a/drivers/net/wireless/orinoco/scan.c +++ b/drivers/net/wireless/orinoco/scan.c @@ -125,7 +125,7 @@ static void orinoco_add_hostscan_result(struct orinoco_private *priv, cbss = cfg80211_inform_bss(wiphy, channel, bss->a.bssid, timestamp, capability, beacon_interval, ie_buf, ie_len, signal, GFP_KERNEL); - cfg80211_put_bss(cbss); + cfg80211_put_bss(wiphy, cbss); } void orinoco_add_extscan_result(struct orinoco_private *priv, @@ -158,7 +158,7 @@ void orinoco_add_extscan_result(struct orinoco_private *priv, cbss = cfg80211_inform_bss(wiphy, channel, bss->bssid, timestamp, capability, beacon_interval, ie, ie_len, signal, GFP_KERNEL); - cfg80211_put_bss(cbss); + cfg80211_put_bss(wiphy, cbss); } void orinoco_add_hostscan_results(struct orinoco_private *priv, diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 62ac60737531..b9deef66cf4b 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -84,8 +84,8 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */ - {USB_DEVICE(0x083a, 0x4503)}, /* T-Com Sinus 154 data II */ {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ + {USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */ {USB_DEVICE(0x083a, 0xc501)}, /* Zoom Wireless-G 4410 */ {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */ {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */ diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 9bb3f22b3669..525fd7521dff 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2026,7 +2026,7 @@ static bool rndis_bss_info_update(struct usbnet *usbdev, bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac, timestamp, capability, beacon_interval, ie, ie_len, signal, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->wdev.wiphy, bss); return (bss != NULL); } @@ -2715,7 +2715,7 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid, timestamp, capability, beacon_period, ie_buf, ie_len, signal, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(priv->wdev.wiphy, bss); } /* diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index a2d2bc2c7b3d..221beaaa83f1 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1185,8 +1185,14 @@ static void rt2400pci_write_beacon(struct queue_entry *entry, rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); - rt2x00queue_map_txskb(entry); - + if (rt2x00queue_map_txskb(entry)) { + ERROR(rt2x00dev, "Fail to map beacon, aborting\n"); + goto out; + } + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); /* * Write the TX descriptor for the beacon. */ @@ -1196,7 +1202,7 @@ static void rt2400pci_write_beacon(struct queue_entry *entry, * Dump beacon to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); - +out: /* * Enable beaconing again. */ diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 9bea10f53f0a..39edc59e8d03 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1338,7 +1338,10 @@ static void rt2500pci_write_beacon(struct queue_entry *entry, rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); - rt2x00queue_map_txskb(entry); + if (rt2x00queue_map_txskb(entry)) { + ERROR(rt2x00dev, "Fail to map beacon, aborting\n"); + goto out; + } /* * Write the TX descriptor for the beacon. @@ -1349,7 +1352,7 @@ static void rt2500pci_write_beacon(struct queue_entry *entry, * Dump beacon to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); - +out: /* * Enable beaconing again. */ diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 42b5b659af16..098613ed93fb 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -1099,9 +1099,11 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x15a9, 0x0006) }, /* Sweex */ { USB_DEVICE(0x177f, 0x0153) }, + { USB_DEVICE(0x177f, 0x0164) }, { USB_DEVICE(0x177f, 0x0302) }, { USB_DEVICE(0x177f, 0x0313) }, { USB_DEVICE(0x177f, 0x0323) }, + { USB_DEVICE(0x177f, 0x0324) }, /* U-Media */ { USB_DEVICE(0x157e, 0x300e) }, { USB_DEVICE(0x157e, 0x3013) }, @@ -1133,6 +1135,9 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x148f, 0x8070) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0050) }, + /* Sweex */ + { USB_DEVICE(0x177f, 0x0163) }, + { USB_DEVICE(0x177f, 0x0165) }, #endif #ifdef CONFIG_RT2800USB_RT35XX /* Allwin */ @@ -1214,10 +1219,15 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0b05, 0x1760) }, { USB_DEVICE(0x0b05, 0x1761) }, { USB_DEVICE(0x0b05, 0x1790) }, + { USB_DEVICE(0x0b05, 0x17a7) }, /* AzureWave */ { USB_DEVICE(0x13d3, 0x3262) }, { USB_DEVICE(0x13d3, 0x3284) }, { USB_DEVICE(0x13d3, 0x3322) }, + { USB_DEVICE(0x13d3, 0x3340) }, + { USB_DEVICE(0x13d3, 0x3399) }, + { USB_DEVICE(0x13d3, 0x3400) }, + { USB_DEVICE(0x13d3, 0x3401) }, /* Belkin */ { USB_DEVICE(0x050d, 0x1003) }, /* Buffalo */ @@ -1232,10 +1242,15 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x07d1, 0x3c0b) }, /* Encore */ { USB_DEVICE(0x203d, 0x14a1) }, + /* EnGenius */ + { USB_DEVICE(0x1740, 0x0600) }, + { USB_DEVICE(0x1740, 0x0602) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0010) }, /* Gigabyte */ { USB_DEVICE(0x1044, 0x800c) }, + /* Hercules */ + { USB_DEVICE(0x06f8, 0xe036) }, /* Huawei */ { USB_DEVICE(0x148f, 0xf101) }, /* I-O DATA */ @@ -1262,11 +1277,17 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0df6, 0x004a) }, { USB_DEVICE(0x0df6, 0x004d) }, { USB_DEVICE(0x0df6, 0x0053) }, + { USB_DEVICE(0x0df6, 0x0069) }, + { USB_DEVICE(0x0df6, 0x006f) }, /* SMC */ { USB_DEVICE(0x083a, 0xa512) }, { USB_DEVICE(0x083a, 0xc522) }, { USB_DEVICE(0x083a, 0xd522) }, { USB_DEVICE(0x083a, 0xf511) }, + /* Sweex */ + { USB_DEVICE(0x177f, 0x0254) }, + /* TP-LINK */ + { USB_DEVICE(0xf201, 0x5370) }, #endif { 0, } }; diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 9a3f31a543ce..086abb403a4f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1169,8 +1169,10 @@ static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev) /** * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. * @entry: Pointer to &struct queue_entry + * + * Returns -ENOMEM if mapping fail, 0 otherwise. */ -void rt2x00queue_map_txskb(struct queue_entry *entry); +int rt2x00queue_map_txskb(struct queue_entry *entry); /** * rt2x00queue_unmap_skb - Unmap a skb from DMA. diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index f35d85a71bbc..4d91795dc6a2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -87,24 +87,35 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct queue_entry *entry, gfp_t gfp) skbdesc->entry = entry; if (test_bit(REQUIRE_DMA, &rt2x00dev->cap_flags)) { - skbdesc->skb_dma = dma_map_single(rt2x00dev->dev, - skb->data, - skb->len, - DMA_FROM_DEVICE); + dma_addr_t skb_dma; + + skb_dma = dma_map_single(rt2x00dev->dev, skb->data, skb->len, + DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(rt2x00dev->dev, skb_dma))) { + dev_kfree_skb_any(skb); + return NULL; + } + + skbdesc->skb_dma = skb_dma; skbdesc->flags |= SKBDESC_DMA_MAPPED_RX; } return skb; } -void rt2x00queue_map_txskb(struct queue_entry *entry) +int rt2x00queue_map_txskb(struct queue_entry *entry) { struct device *dev = entry->queue->rt2x00dev->dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); skbdesc->skb_dma = dma_map_single(dev, entry->skb->data, entry->skb->len, DMA_TO_DEVICE); + + if (unlikely(dma_mapping_error(dev, skbdesc->skb_dma))) + return -ENOMEM; + skbdesc->flags |= SKBDESC_DMA_MAPPED_TX; + return 0; } EXPORT_SYMBOL_GPL(rt2x00queue_map_txskb); @@ -343,10 +354,7 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, * when using more then one tx stream (>MCS7). */ if (sta && txdesc->u.ht.mcs > 7 && - ((sta->ht_cap.cap & - IEEE80211_HT_CAP_SM_PS) >> - IEEE80211_HT_CAP_SM_PS_SHIFT) == - WLAN_HT_CAP_SM_PS_DYNAMIC) + sta->smps_mode == IEEE80211_SMPS_DYNAMIC) __set_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags); } else { txdesc->u.ht.mcs = rt2x00_get_rate_mcs(hwrate->mcs); @@ -545,8 +553,9 @@ static int rt2x00queue_write_tx_data(struct queue_entry *entry, /* * Map the skb to DMA. */ - if (test_bit(REQUIRE_DMA, &rt2x00dev->cap_flags)) - rt2x00queue_map_txskb(entry); + if (test_bit(REQUIRE_DMA, &rt2x00dev->cap_flags) && + rt2x00queue_map_txskb(entry)) + return -ENOMEM; return 0; } diff --git a/drivers/net/wireless/rtlwifi/Kconfig b/drivers/net/wireless/rtlwifi/Kconfig index b80bc4612581..b6aa0c40658f 100644 --- a/drivers/net/wireless/rtlwifi/Kconfig +++ b/drivers/net/wireless/rtlwifi/Kconfig @@ -1,8 +1,26 @@ +config RTLWIFI + tristate "Realtek wireless card support" + depends on MAC80211 + select FW_LOADER + ---help--- + This is common code for RTL8192CE/RTL8192CU/RTL8192SE/RTL8723AE + drivers. This module does nothing by itself - the various front-end + drivers need to be enabled to support any desired devices. + + If you choose to build as a module, it'll be called rtlwifi. + +config RTLWIFI_DEBUG + bool "Debugging output for rtlwifi driver family" + depends on RTLWIFI + default y + ---help--- + To use the module option that sets the dynamic-debugging level for, + the front-end driver, this parameter must be "Y". For memory-limited + systems, choose "N". If in doubt, choose "Y". + config RTL8192CE tristate "Realtek RTL8192CE/RTL8188CE Wireless Network Adapter" - depends on MAC80211 && PCI - select FW_LOADER - select RTLWIFI + depends on RTLWIFI && PCI select RTL8192C_COMMON ---help--- This is the driver for Realtek RTL8192CE/RTL8188CE 802.11n PCIe @@ -12,9 +30,7 @@ config RTL8192CE config RTL8192SE tristate "Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter" - depends on MAC80211 && PCI - select FW_LOADER - select RTLWIFI + depends on RTLWIFI && PCI ---help--- This is the driver for Realtek RTL8192SE/RTL8191SE 802.11n PCIe wireless network adapters. @@ -23,9 +39,7 @@ config RTL8192SE config RTL8192DE tristate "Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter" - depends on MAC80211 && PCI - select FW_LOADER - select RTLWIFI + depends on RTLWIFI && PCI ---help--- This is the driver for Realtek RTL8192DE/RTL8188DE 802.11n PCIe wireless network adapters. @@ -34,9 +48,7 @@ config RTL8192DE config RTL8723AE tristate "Realtek RTL8723AE PCIe Wireless Network Adapter" - depends on MAC80211 && PCI && EXPERIMENTAL - select FW_LOADER - select RTLWIFI + depends on RTLWIFI && PCI ---help--- This is the driver for Realtek RTL8723AE 802.11n PCIe wireless network adapters. @@ -45,9 +57,7 @@ config RTL8723AE config RTL8192CU tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter" - depends on MAC80211 && USB - select FW_LOADER - select RTLWIFI + depends on RTLWIFI && USB select RTL8192C_COMMON ---help--- This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB @@ -55,16 +65,6 @@ config RTL8192CU If you choose to build it as a module, it will be called rtl8192cu -config RTLWIFI - tristate - depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE - default m - -config RTLWIFI_DEBUG - bool "Additional debugging output" - depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE - default y - config RTL8192C_COMMON tristate depends on RTL8192CE || RTL8192CU diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 0f8b05185eda..99c5cea3fe21 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -523,8 +523,8 @@ static void _rtl_query_shortgi(struct ieee80211_hw *hw, if (mac->opmode == NL80211_IFTYPE_STATION) bw_40 = mac->bw_40; else if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_ADHOC) - bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; + mac->opmode == NL80211_IFTYPE_ADHOC) + bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; if (bw_40 && sgi_40) tcb_desc->use_shortgi = true; @@ -634,8 +634,7 @@ static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, return; if (mac->opmode == NL80211_IFTYPE_AP || mac->opmode == NL80211_IFTYPE_ADHOC) { - if (!(sta->ht_cap.ht_supported) || - !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + if (sta->bandwidth == IEEE80211_STA_RX_BW_20) return; } else if (mac->opmode == NL80211_IFTYPE_STATION) { if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) diff --git a/drivers/net/wireless/rtlwifi/rc.c b/drivers/net/wireless/rtlwifi/rc.c index 204f46c4510d..f9f059dadb73 100644 --- a/drivers/net/wireless/rtlwifi/rc.c +++ b/drivers/net/wireless/rtlwifi/rc.c @@ -116,9 +116,8 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, if (txrc->short_preamble) rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE; if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_ADHOC) { - if (sta && (sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + mac->opmode == NL80211_IFTYPE_ADHOC) { + if (sta && (sta->bandwidth >= IEEE80211_STA_RX_BW_40)) rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; } else { if (mac->bw_40) @@ -217,6 +216,12 @@ static void rtl_tx_status(void *ppriv, } } +static void rtl_rate_init(void *ppriv, + struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta, void *priv_sta) +{ +} + static void *rtl_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) { @@ -261,6 +266,7 @@ static struct rate_control_ops rtl_rate_ops = { .free = rtl_rate_free, .alloc_sta = rtl_rate_alloc_sta, .free_sta = rtl_rate_free_sta, + .rate_init = rtl_rate_init, .tx_status = rtl_tx_status, .get_rate = rtl_get_rate, }; diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index d1f34f6ffbdf..1b65db7fd651 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -1846,9 +1846,9 @@ static void rtl92ce_update_hal_rate_mask(struct ieee80211_hw *hw, struct rtl_sta_info *sta_entry = NULL; u32 ratr_bitmap; u8 ratr_index; - u8 curtxbw_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) - ? 1 : 0; - u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? + u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0; + u8 curshortgi_40mhz = curtxbw_40mhz && + (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ? 1 : 0; diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c index c31795e379f7..b9b1a6e0b16e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c @@ -488,7 +488,7 @@ static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw, u8 *praddr; __le16 fc; u16 type, c_fc; - bool packet_matchbssid, packet_toself, packet_beacon; + bool packet_matchbssid, packet_toself, packet_beacon = false; tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; @@ -626,8 +626,7 @@ void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw, } else if (mac->opmode == NL80211_IFTYPE_AP || mac->opmode == NL80211_IFTYPE_ADHOC) { if (sta) - bw_40 = sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; + bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; } seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c index 32ff959a0251..85b6bdb163c0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c @@ -1084,7 +1084,7 @@ void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw, u8 *praddr; __le16 fc; u16 type, cpu_fc; - bool packet_matchbssid, packet_toself, packet_beacon; + bool packet_matchbssid, packet_toself, packet_beacon = false; tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; hdr = (struct ieee80211_hdr *)tmp_buf; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index d9e659f92767..a73a17bc56dd 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -285,6 +285,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = { {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817f, rtl92cu_hal_cfg)}, /* RTL8188CUS-VL */ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x818a, rtl92cu_hal_cfg)}, + {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x819a, rtl92cu_hal_cfg)}, /* 8188 Combo for BC4 */ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8754, rtl92cu_hal_cfg)}, @@ -363,9 +364,15 @@ static struct usb_device_id rtl8192c_usb_ids[] = { MODULE_DEVICE_TABLE(usb, rtl8192c_usb_ids); +static int rtl8192cu_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return rtl_usb_probe(intf, id, &rtl92cu_hal_cfg); +} + static struct usb_driver rtl8192cu_driver = { .name = "rtl8192cu", - .probe = rtl_usb_probe, + .probe = rtl8192cu_probe, .disconnect = rtl_usb_disconnect, .id_table = rtl8192c_usb_ids, diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c index f4051f4f0390..aa5b42521bb4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c @@ -1970,8 +1970,7 @@ static void rtl92de_update_hal_rate_mask(struct ieee80211_hw *hw, struct rtl_sta_info *sta_entry = NULL; u32 ratr_bitmap; u8 ratr_index; - u8 curtxbw_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) - ? 1 : 0; + u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0; u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ? diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c index cdb570ffb4b5..941080e03c06 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c @@ -574,8 +574,7 @@ void rtl92de_tx_fill_desc(struct ieee80211_hw *hw, } else if (mac->opmode == NL80211_IFTYPE_AP || mac->opmode == NL80211_IFTYPE_ADHOC) { if (sta) - bw_40 = sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; + bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; } seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc); diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c index 28526a7361f5..084e7773bce2 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c @@ -2085,8 +2085,7 @@ static void rtl92se_update_hal_rate_mask(struct ieee80211_hw *hw, struct rtl_sta_info *sta_entry = NULL; u32 ratr_bitmap; u8 ratr_index = 0; - u8 curtxbw_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) - ? 1 : 0; + u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0; u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ? diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c index f8431a3c2c9d..7b0a2e75b8b8 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c @@ -621,8 +621,7 @@ void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, } else if (mac->opmode == NL80211_IFTYPE_AP || mac->opmode == NL80211_IFTYPE_ADHOC) { if (sta) - bw_40 = sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; + bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; } seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c index 149804816ac4..9a0c71c2e15e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c @@ -1866,8 +1866,7 @@ static void rtl8723ae_update_hal_rate_mask(struct ieee80211_hw *hw, struct rtl_sta_info *sta_entry = NULL; u32 ratr_bitmap; u8 ratr_index; - u8 curtxbw_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) - ? 1 : 0; + u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0; u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ? diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c index b1fd2b328abf..ac081297db50 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c @@ -395,8 +395,7 @@ void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw, } else if (mac->opmode == NL80211_IFTYPE_AP || mac->opmode == NL80211_IFTYPE_ADHOC) { if (sta) - bw_40 = sta->ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; + bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40; } seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index d42bbe21ba6e..476eaef5e4a9 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -937,7 +937,8 @@ static struct rtl_intf_ops rtl_usb_ops = { }; int rtl_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id) + const struct usb_device_id *id, + struct rtl_hal_cfg *rtl_hal_cfg) { int err; struct ieee80211_hw *hw = NULL; @@ -972,7 +973,7 @@ int rtl_usb_probe(struct usb_interface *intf, usb_set_intfdata(intf, hw); /* init cfg & intf_ops */ rtlpriv->rtlhal.interface = INTF_USB; - rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_info); + rtlpriv->cfg = rtl_hal_cfg; rtlpriv->intf_ops = &rtl_usb_ops; rtl_dbgp_flag_init(hw); /* Init IO handler */ diff --git a/drivers/net/wireless/rtlwifi/usb.h b/drivers/net/wireless/rtlwifi/usb.h index 5235136f6dd2..fb986f98d1df 100644 --- a/drivers/net/wireless/rtlwifi/usb.h +++ b/drivers/net/wireless/rtlwifi/usb.h @@ -157,7 +157,8 @@ struct rtl_usb_priv { int rtl_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id); + const struct usb_device_id *id, + struct rtl_hal_cfg *rtl92cu_hal_cfg); void rtl_usb_disconnect(struct usb_interface *intf); int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message); int rtl_usb_resume(struct usb_interface *pusb_intf); diff --git a/drivers/net/wireless/ti/Kconfig b/drivers/net/wireless/ti/Kconfig index be800119d0a3..cbe1e7fef61b 100644 --- a/drivers/net/wireless/ti/Kconfig +++ b/drivers/net/wireless/ti/Kconfig @@ -12,4 +12,13 @@ source "drivers/net/wireless/ti/wl18xx/Kconfig" # keep last for automatic dependencies source "drivers/net/wireless/ti/wlcore/Kconfig" + +config WILINK_PLATFORM_DATA + bool "TI WiLink platform data" + depends on WLCORE_SDIO || WL1251_SDIO + default y + ---help--- + Small platform data bit needed to pass data to the sdio modules. + + endif # WL_TI diff --git a/drivers/net/wireless/ti/Makefile b/drivers/net/wireless/ti/Makefile index 4d6823983c04..af14231aeede 100644 --- a/drivers/net/wireless/ti/Makefile +++ b/drivers/net/wireless/ti/Makefile @@ -1,5 +1,7 @@ obj-$(CONFIG_WLCORE) += wlcore/ obj-$(CONFIG_WL12XX) += wl12xx/ -obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wlcore/ obj-$(CONFIG_WL1251) += wl1251/ obj-$(CONFIG_WL18XX) += wl18xx/ + +# small builtin driver bit +obj-$(CONFIG_WILINK_PLATFORM_DATA) += wilink_platform_data.o diff --git a/drivers/net/wireless/ti/wlcore/wl12xx_platform_data.c b/drivers/net/wireless/ti/wilink_platform_data.c index 998e95895f9d..998e95895f9d 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx_platform_data.c +++ b/drivers/net/wireless/ti/wilink_platform_data.c diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c index 5ec50a476a69..74ae8e1c2e33 100644 --- a/drivers/net/wireless/ti/wl1251/event.c +++ b/drivers/net/wireless/ti/wl1251/event.c @@ -29,6 +29,8 @@ static int wl1251_event_scan_complete(struct wl1251 *wl, struct event_mailbox *mbox) { + int ret = 0; + wl1251_debug(DEBUG_EVENT, "status: 0x%x, channels: %d", mbox->scheduled_scan_status, mbox->scheduled_scan_channels); @@ -37,9 +39,11 @@ static int wl1251_event_scan_complete(struct wl1251 *wl, ieee80211_scan_completed(wl->hw, false); wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed"); wl->scanning = false; + if (wl->hw->conf.flags & IEEE80211_CONF_IDLE) + ret = wl1251_ps_set_mode(wl, STATION_IDLE); } - return 0; + return ret; } static void wl1251_event_mbox_dump(struct event_mailbox *mbox) diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index f47e8b0482ad..bbbf68cf50a7 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -623,7 +623,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) } } - if (changed & IEEE80211_CONF_CHANGE_IDLE) { + if (changed & IEEE80211_CONF_CHANGE_IDLE && !wl->scanning) { if (conf->flags & IEEE80211_CONF_IDLE) { ret = wl1251_ps_set_mode(wl, STATION_IDLE); if (ret < 0) @@ -895,11 +895,21 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw, if (ret < 0) goto out; + if (hw->conf.flags & IEEE80211_CONF_IDLE) { + ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); + if (ret < 0) + goto out_sleep; + ret = wl1251_join(wl, wl->bss_type, wl->channel, + wl->beacon_int, wl->dtim_period); + if (ret < 0) + goto out_sleep; + } + skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len, req->ie_len); if (!skb) { ret = -ENOMEM; - goto out; + goto out_idle; } if (req->ie_len) memcpy(skb_put(skb, req->ie_len), req->ie, req->ie_len); @@ -908,11 +918,11 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw, skb->len); dev_kfree_skb(skb); if (ret < 0) - goto out_sleep; + goto out_idle; ret = wl1251_cmd_trigger_scan_to(wl, 0); if (ret < 0) - goto out_sleep; + goto out_idle; wl->scanning = true; @@ -920,9 +930,13 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw, req->n_channels, WL1251_SCAN_NUM_PROBES); if (ret < 0) { wl->scanning = false; - goto out_sleep; + goto out_idle; } + goto out_sleep; +out_idle: + if (hw->conf.flags & IEEE80211_CONF_IDLE) + ret = wl1251_ps_set_mode(wl, STATION_IDLE); out_sleep: wl1251_ps_elp_sleep(wl); diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 3254bfc81a2a..09694e39bb14 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1703,7 +1703,8 @@ static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { static int wl12xx_setup(struct wl1271 *wl) { struct wl12xx_priv *priv = wl->priv; - struct wl12xx_platform_data *pdata = wl->pdev->dev.platform_data; + struct wlcore_platdev_data *pdev_data = wl->pdev->dev.platform_data; + struct wl12xx_platform_data *pdata = pdev_data->pdata; wl->rtable = wl12xx_rtable; wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS; diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index b5f114857191..e34302e3b51d 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -23,7 +23,7 @@ #define __WL18XX_CONF_H__ #define WL18XX_CONF_MAGIC 0x10e100ca -#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0005) +#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0006) #define WL18XX_CONF_MASK 0x0000ffff #define WL18XX_CONF_SIZE (WLCORE_CONF_SIZE + \ sizeof(struct wl18xx_priv_conf)) @@ -70,8 +70,9 @@ struct wl18xx_mac_and_phy_params { u8 pwr_limit_reference_11_abg; u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; u8 pwr_limit_reference_11p; - u8 spare1[9]; - u8 spare2[9]; + u8 spare1; + u8 per_chan_bo_mode_11_abg[13]; + u8 per_chan_bo_mode_11_p[4]; u8 primary_clock_setting_time; u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 0be1cfc17a86..da3ef1b10a9c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -547,6 +547,11 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, .pwr_limit_reference_11p = 0x64, + .per_chan_bo_mode_11_abg = { 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00 }, + .per_chan_bo_mode_11_p = { 0x00, 0x00, 0x00, 0x00 }, .per_chan_pwr_limit_arr_11p = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, .psat = 0, @@ -1369,7 +1374,7 @@ static void wl18xx_sta_rc_update(struct wl1271 *wl, struct ieee80211_sta *sta, u32 changed) { - bool wide = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; + bool wide = sta->bandwidth >= IEEE80211_STA_RX_BW_40; wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide); diff --git a/drivers/net/wireless/ti/wlcore/Kconfig b/drivers/net/wireless/ti/wlcore/Kconfig index d7b907e67170..2b832825c3d4 100644 --- a/drivers/net/wireless/ti/wlcore/Kconfig +++ b/drivers/net/wireless/ti/wlcore/Kconfig @@ -33,8 +33,3 @@ config WLCORE_SDIO If you choose to build a module, it'll be called wlcore_sdio. Say N if unsure. - -config WL12XX_PLATFORM_DATA - bool - depends on WLCORE_SDIO != n || WL1251_SDIO != n - default y diff --git a/drivers/net/wireless/ti/wlcore/Makefile b/drivers/net/wireless/ti/wlcore/Makefile index d9fba9e32130..b21398f6c3ec 100644 --- a/drivers/net/wireless/ti/wlcore/Makefile +++ b/drivers/net/wireless/ti/wlcore/Makefile @@ -9,7 +9,4 @@ obj-$(CONFIG_WLCORE) += wlcore.o obj-$(CONFIG_WLCORE_SPI) += wlcore_spi.o obj-$(CONFIG_WLCORE_SDIO) += wlcore_sdio.o -# small builtin driver bit -obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wl12xx_platform_data.o - ccflags-y += -D__CHECK_ENDIAN__ diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index b58ae5fc1487..77752b03f189 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -84,8 +84,8 @@ out: static int wlcore_validate_fw_ver(struct wl1271 *wl) { unsigned int *fw_ver = wl->chip.fw_ver; - unsigned int *min_ver = (wl->fw_type == WL12XX_FW_TYPE_NORMAL) ? - wl->min_sr_fw_ver : wl->min_mr_fw_ver; + unsigned int *min_ver = (wl->fw_type == WL12XX_FW_TYPE_MULTI) ? + wl->min_mr_fw_ver : wl->min_sr_fw_ver; char min_fw_str[32] = ""; int i; diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 1201aca9c89a..6331f9e1cb39 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -510,10 +510,12 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) cmd->sta.hlid = wlvif->sta.hlid; cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; /* - * We don't have the correct remote rates in this stage. the rates - * will be reconfigured later, after authorization. + * We don't have the correct remote rates in this stage. The + * rates will be reconfigured later, after association, if the + * firmware supports ACX_PEER_CAP. Otherwise, there's nothing + * we can do, so use all supported_rates here. */ - cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); + cmd->sta.remote_rates = cpu_to_le32(supported_rates); wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " "basic_rate_set: 0x%x, remote_rates: 0x%x", diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index e1dfdf94d0f7..2c2ff3e1f849 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2162,7 +2162,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) return 0; } -static bool wl12xx_init_fw(struct wl1271 *wl) +static int wl12xx_init_fw(struct wl1271 *wl) { int retries = WL1271_BOOT_RETRIES; bool booted = false; @@ -2228,7 +2228,7 @@ power_off: wl->state = WLCORE_STATE_ON; out: - return booted; + return ret; } static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) @@ -2371,7 +2371,6 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, struct vif_counter_data vif_count; int ret = 0; u8 role_type; - bool booted = false; vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | IEEE80211_VIF_SUPPORTS_CQM_RSSI; @@ -2432,11 +2431,9 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, */ memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); - booted = wl12xx_init_fw(wl); - if (!booted) { - ret = -EINVAL; + ret = wl12xx_init_fw(wl); + if (ret < 0) goto out; - } } ret = wl12xx_cmd_role_enable(wl, vif->addr, @@ -5639,7 +5636,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) IEEE80211_HW_AP_LINK_PS | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | - IEEE80211_HW_SCAN_WHILE_IDLE | IEEE80211_HW_QUEUE_CONTROL; wl->hw->wiphy->cipher_suites = cipher_suites; @@ -5966,7 +5962,8 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context) { struct wl1271 *wl = context; struct platform_device *pdev = wl->pdev; - struct wl12xx_platform_data *pdata = pdev->dev.platform_data; + struct wlcore_platdev_data *pdev_data = pdev->dev.platform_data; + struct wl12xx_platform_data *pdata = pdev_data->pdata; unsigned long irqflags; int ret; @@ -5995,8 +5992,7 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context) wl->irq = platform_get_irq(pdev, 0); wl->platform_quirks = pdata->platform_quirks; - wl->set_power = pdata->set_power; - wl->if_ops = pdata->ops; + wl->if_ops = pdev_data->if_ops; if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) irqflags = IRQF_TRIGGER_RISING; diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index 75622f6f3e6c..29ef2492951f 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -217,7 +217,7 @@ static struct wl1271_if_operations sdio_ops = { static int wl1271_probe(struct sdio_func *func, const struct sdio_device_id *id) { - struct wl12xx_platform_data *wlan_data; + struct wlcore_platdev_data *pdev_data; struct wl12xx_sdio_glue *glue; struct resource res[1]; mmc_pm_flag_t mmcflags; @@ -228,10 +228,18 @@ static int wl1271_probe(struct sdio_func *func, if (func->num != 0x02) return -ENODEV; - glue = kzalloc(sizeof(*glue), GFP_KERNEL); - if (!glue) + pdev_data = kzalloc(sizeof(*pdev_data), GFP_KERNEL); + if (!pdev_data) goto out; + pdev_data->if_ops = &sdio_ops; + + glue = kzalloc(sizeof(*glue), GFP_KERNEL); + if (!glue) { + dev_err(&func->dev, "can't allocate glue\n"); + goto out_free_pdev_data; + } + glue->dev = &func->dev; /* Grab access to FN0 for ELP reg. */ @@ -240,9 +248,9 @@ static int wl1271_probe(struct sdio_func *func, /* Use block mode for transferring over one block size of data */ func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; - wlan_data = wl12xx_get_platform_data(); - if (IS_ERR(wlan_data)) { - ret = PTR_ERR(wlan_data); + pdev_data->pdata = wl12xx_get_platform_data(); + if (IS_ERR(pdev_data->pdata)) { + ret = PTR_ERR(pdev_data->pdata); dev_err(glue->dev, "missing wlan platform data: %d\n", ret); goto out_free_glue; } @@ -252,9 +260,7 @@ static int wl1271_probe(struct sdio_func *func, dev_dbg(glue->dev, "sdio PM caps = 0x%x\n", mmcflags); if (mmcflags & MMC_PM_KEEP_POWER) - wlan_data->pwr_in_suspend = true; - - wlan_data->ops = &sdio_ops; + pdev_data->pdata->pwr_in_suspend = true; sdio_set_drvdata(func, glue); @@ -272,7 +278,7 @@ static int wl1271_probe(struct sdio_func *func, else chip_family = "wl12xx"; - glue->core = platform_device_alloc(chip_family, -1); + glue->core = platform_device_alloc(chip_family, PLATFORM_DEVID_AUTO); if (!glue->core) { dev_err(glue->dev, "can't allocate platform_device"); ret = -ENOMEM; @@ -283,7 +289,7 @@ static int wl1271_probe(struct sdio_func *func, memset(res, 0x00, sizeof(res)); - res[0].start = wlan_data->irq; + res[0].start = pdev_data->pdata->irq; res[0].flags = IORESOURCE_IRQ; res[0].name = "irq"; @@ -293,8 +299,8 @@ static int wl1271_probe(struct sdio_func *func, goto out_dev_put; } - ret = platform_device_add_data(glue->core, wlan_data, - sizeof(*wlan_data)); + ret = platform_device_add_data(glue->core, pdev_data, + sizeof(*pdev_data)); if (ret) { dev_err(glue->dev, "can't add platform data\n"); goto out_dev_put; @@ -313,6 +319,9 @@ out_dev_put: out_free_glue: kfree(glue); +out_free_pdev_data: + kfree(pdev_data); + out: return ret; } diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 53790d1d0d27..e26447832683 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -87,8 +87,11 @@ static void wl12xx_spi_reset(struct device *child) struct spi_message m; cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); - if (!cmd) + if (!cmd) { + dev_err(child->parent, + "could not allocate cmd for spi reset\n"); return; + } memset(&t, 0, sizeof(t)); spi_message_init(&m); @@ -112,8 +115,11 @@ static void wl12xx_spi_init(struct device *child) struct spi_message m; cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL); - if (!cmd) + if (!cmd) { + dev_err(child->parent, + "could not allocate cmd for spi init\n"); return; + } memset(crc, 0, sizeof(crc)); memset(&t, 0, sizeof(t)); @@ -321,21 +327,28 @@ static struct wl1271_if_operations spi_ops = { static int wl1271_probe(struct spi_device *spi) { struct wl12xx_spi_glue *glue; - struct wl12xx_platform_data *pdata; + struct wlcore_platdev_data *pdev_data; struct resource res[1]; int ret = -ENOMEM; - pdata = spi->dev.platform_data; - if (!pdata) { + pdev_data = kzalloc(sizeof(*pdev_data), GFP_KERNEL); + if (!pdev_data) + goto out; + + pdev_data->pdata = spi->dev.platform_data; + if (!pdev_data->pdata) { dev_err(&spi->dev, "no platform data\n"); - return -ENODEV; + ret = -ENODEV; + goto out_free_pdev_data; } - pdata->ops = &spi_ops; + pdev_data->if_ops = &spi_ops; glue = kzalloc(sizeof(*glue), GFP_KERNEL); - if (!glue) - goto out; + if (!glue) { + dev_err(&spi->dev, "can't allocate glue\n"); + goto out_free_pdev_data; + } glue->dev = &spi->dev; @@ -351,7 +364,7 @@ static int wl1271_probe(struct spi_device *spi) goto out_free_glue; } - glue->core = platform_device_alloc("wl12xx", -1); + glue->core = platform_device_alloc("wl12xx", PLATFORM_DEVID_AUTO); if (!glue->core) { dev_err(glue->dev, "can't allocate platform_device\n"); ret = -ENOMEM; @@ -372,7 +385,8 @@ static int wl1271_probe(struct spi_device *spi) goto out_dev_put; } - ret = platform_device_add_data(glue->core, pdata, sizeof(*pdata)); + ret = platform_device_add_data(glue->core, pdev_data, + sizeof(*pdev_data)); if (ret) { dev_err(glue->dev, "can't add platform data\n"); goto out_dev_put; @@ -391,6 +405,10 @@ out_dev_put: out_free_glue: kfree(glue); + +out_free_pdev_data: + kfree(pdev_data); + out: return ret; } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index ebd8c6fad7cd..af9fecaefc30 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -183,7 +183,6 @@ struct wl1271 { struct wl1271_if_operations *if_ops; - void (*set_power)(bool enable); int irq; spinlock_t wl_lock; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 910f8e2e556a..508f5b0f8a70 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -206,6 +206,11 @@ struct wl1271_if_operations { void (*set_block_size) (struct device *child, unsigned int blksz); }; +struct wlcore_platdev_data { + struct wl12xx_platform_data *pdata; + struct wl1271_if_operations *if_ops; +}; + #define MAX_NUM_KEYS 14 #define MAX_KEY_SIZE 32 diff --git a/drivers/nfc/Kconfig b/drivers/nfc/Kconfig index 80c728b28828..e57034971ccc 100644 --- a/drivers/nfc/Kconfig +++ b/drivers/nfc/Kconfig @@ -27,5 +27,6 @@ config NFC_WILINK into the kernel or say M to compile it as module. source "drivers/nfc/pn544/Kconfig" +source "drivers/nfc/microread/Kconfig" endmenu diff --git a/drivers/nfc/Makefile b/drivers/nfc/Makefile index 574bbc04d97a..a189ada0926a 100644 --- a/drivers/nfc/Makefile +++ b/drivers/nfc/Makefile @@ -3,6 +3,7 @@ # obj-$(CONFIG_NFC_PN544) += pn544/ +obj-$(CONFIG_NFC_MICROREAD) += microread/ obj-$(CONFIG_NFC_PN533) += pn533.o obj-$(CONFIG_NFC_WILINK) += nfcwilink.o diff --git a/drivers/nfc/microread/Kconfig b/drivers/nfc/microread/Kconfig new file mode 100644 index 000000000000..572305be6e37 --- /dev/null +++ b/drivers/nfc/microread/Kconfig @@ -0,0 +1,35 @@ +config NFC_MICROREAD + tristate "Inside Secure microread NFC driver" + depends on NFC_HCI + select CRC_CCITT + default n + ---help--- + This module contains the main code for Inside Secure microread + NFC chipsets. It implements the chipset HCI logic and hooks into + the NFC kernel APIs. Physical layers will register against it. + + To compile this driver as a module, choose m here. The module will + be called microread. + Say N if unsure. + +config NFC_MICROREAD_I2C + tristate "NFC Microread i2c support" + depends on NFC_MICROREAD && I2C && NFC_SHDLC + ---help--- + This module adds support for the i2c interface of adapters using + Inside microread chipsets. Select this if your platform is using + the i2c bus. + + If you choose to build a module, it'll be called microread_i2c. + Say N if unsure. + +config NFC_MICROREAD_MEI + tristate "NFC Microread MEI support" + depends on NFC_MICROREAD && INTEL_MEI_BUS_NFC + ---help--- + This module adds support for the mei interface of adapters using + Inside microread chipsets. Select this if your microread chipset + is handled by Intel's Management Engine Interface on your platform. + + If you choose to build a module, it'll be called microread_mei. + Say N if unsure. diff --git a/drivers/nfc/microread/Makefile b/drivers/nfc/microread/Makefile new file mode 100644 index 000000000000..755c24cba253 --- /dev/null +++ b/drivers/nfc/microread/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for Microread HCI based NFC driver +# + +microread_i2c-objs = i2c.o +microread_mei-objs = mei.o + +obj-$(CONFIG_NFC_MICROREAD) += microread.o +obj-$(CONFIG_NFC_MICROREAD_I2C) += microread_i2c.o +obj-$(CONFIG_NFC_MICROREAD_MEI) += microread_mei.o diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c new file mode 100644 index 000000000000..101089495bf8 --- /dev/null +++ b/drivers/nfc/microread/i2c.c @@ -0,0 +1,340 @@ +/* + * HCI based Driver for Inside Secure microread NFC Chip - i2c layer + * + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> + +#include <linux/nfc.h> +#include <net/nfc/hci.h> +#include <net/nfc/llc.h> + +#include "microread.h" + +#define MICROREAD_I2C_DRIVER_NAME "microread" + +#define MICROREAD_I2C_FRAME_HEADROOM 1 +#define MICROREAD_I2C_FRAME_TAILROOM 1 + +/* framing in HCI mode */ +#define MICROREAD_I2C_LLC_LEN 1 +#define MICROREAD_I2C_LLC_CRC 1 +#define MICROREAD_I2C_LLC_LEN_CRC (MICROREAD_I2C_LLC_LEN + \ + MICROREAD_I2C_LLC_CRC) +#define MICROREAD_I2C_LLC_MIN_SIZE (1 + MICROREAD_I2C_LLC_LEN_CRC) +#define MICROREAD_I2C_LLC_MAX_PAYLOAD 29 +#define MICROREAD_I2C_LLC_MAX_SIZE (MICROREAD_I2C_LLC_LEN_CRC + 1 + \ + MICROREAD_I2C_LLC_MAX_PAYLOAD) + +struct microread_i2c_phy { + struct i2c_client *i2c_dev; + struct nfc_hci_dev *hdev; + + int irq; + + int hard_fault; /* + * < 0 if hardware error occured (e.g. i2c err) + * and prevents normal operation. + */ +}; + +#define I2C_DUMP_SKB(info, skb) \ +do { \ + pr_debug("%s:\n", info); \ + print_hex_dump(KERN_DEBUG, "i2c: ", DUMP_PREFIX_OFFSET, \ + 16, 1, (skb)->data, (skb)->len, 0); \ +} while (0) + +static void microread_i2c_add_len_crc(struct sk_buff *skb) +{ + int i; + u8 crc = 0; + int len; + + len = skb->len; + *skb_push(skb, 1) = len; + + for (i = 0; i < skb->len; i++) + crc = crc ^ skb->data[i]; + + *skb_put(skb, 1) = crc; +} + +static void microread_i2c_remove_len_crc(struct sk_buff *skb) +{ + skb_pull(skb, MICROREAD_I2C_FRAME_HEADROOM); + skb_trim(skb, MICROREAD_I2C_FRAME_TAILROOM); +} + +static int check_crc(struct sk_buff *skb) +{ + int i; + u8 crc = 0; + + for (i = 0; i < skb->len - 1; i++) + crc = crc ^ skb->data[i]; + + if (crc != skb->data[skb->len-1]) { + pr_err(MICROREAD_I2C_DRIVER_NAME + ": CRC error 0x%x != 0x%x\n", + crc, skb->data[skb->len-1]); + + pr_info(DRIVER_DESC ": %s : BAD CRC\n", __func__); + + return -EPERM; + } + + return 0; +} + +static int microread_i2c_enable(void *phy_id) +{ + return 0; +} + +static void microread_i2c_disable(void *phy_id) +{ + return; +} + +static int microread_i2c_write(void *phy_id, struct sk_buff *skb) +{ + int r; + struct microread_i2c_phy *phy = phy_id; + struct i2c_client *client = phy->i2c_dev; + + if (phy->hard_fault != 0) + return phy->hard_fault; + + usleep_range(3000, 6000); + + microread_i2c_add_len_crc(skb); + + I2C_DUMP_SKB("i2c frame written", skb); + + r = i2c_master_send(client, skb->data, skb->len); + + if (r == -EREMOTEIO) { /* Retry, chip was in standby */ + usleep_range(6000, 10000); + r = i2c_master_send(client, skb->data, skb->len); + } + + if (r >= 0) { + if (r != skb->len) + r = -EREMOTEIO; + else + r = 0; + } + + microread_i2c_remove_len_crc(skb); + + return r; +} + + +static int microread_i2c_read(struct microread_i2c_phy *phy, + struct sk_buff **skb) +{ + int r; + u8 len; + u8 tmp[MICROREAD_I2C_LLC_MAX_SIZE - 1]; + struct i2c_client *client = phy->i2c_dev; + + pr_debug("%s\n", __func__); + + r = i2c_master_recv(client, &len, 1); + if (r != 1) { + dev_err(&client->dev, "cannot read len byte\n"); + return -EREMOTEIO; + } + + if ((len < MICROREAD_I2C_LLC_MIN_SIZE) || + (len > MICROREAD_I2C_LLC_MAX_SIZE)) { + dev_err(&client->dev, "invalid len byte\n"); + pr_err("invalid len byte\n"); + r = -EBADMSG; + goto flush; + } + + *skb = alloc_skb(1 + len, GFP_KERNEL); + if (*skb == NULL) { + r = -ENOMEM; + goto flush; + } + + *skb_put(*skb, 1) = len; + + r = i2c_master_recv(client, skb_put(*skb, len), len); + if (r != len) { + kfree_skb(*skb); + return -EREMOTEIO; + } + + I2C_DUMP_SKB("cc frame read", *skb); + + r = check_crc(*skb); + if (r != 0) { + kfree_skb(*skb); + r = -EBADMSG; + goto flush; + } + + skb_pull(*skb, 1); + skb_trim(*skb, (*skb)->len - MICROREAD_I2C_FRAME_TAILROOM); + + usleep_range(3000, 6000); + + return 0; + +flush: + if (i2c_master_recv(client, tmp, sizeof(tmp)) < 0) + r = -EREMOTEIO; + + usleep_range(3000, 6000); + + return r; +} + +static irqreturn_t microread_i2c_irq_thread_fn(int irq, void *phy_id) +{ + struct microread_i2c_phy *phy = phy_id; + struct i2c_client *client; + struct sk_buff *skb = NULL; + int r; + + if (!phy || irq != phy->i2c_dev->irq) { + WARN_ON_ONCE(1); + return IRQ_NONE; + } + + client = phy->i2c_dev; + dev_dbg(&client->dev, "IRQ\n"); + + if (phy->hard_fault != 0) + return IRQ_HANDLED; + + r = microread_i2c_read(phy, &skb); + if (r == -EREMOTEIO) { + phy->hard_fault = r; + + nfc_hci_recv_frame(phy->hdev, NULL); + + return IRQ_HANDLED; + } else if ((r == -ENOMEM) || (r == -EBADMSG)) { + return IRQ_HANDLED; + } + + nfc_hci_recv_frame(phy->hdev, skb); + + return IRQ_HANDLED; +} + +static struct nfc_phy_ops i2c_phy_ops = { + .write = microread_i2c_write, + .enable = microread_i2c_enable, + .disable = microread_i2c_disable, +}; + +static int microread_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct microread_i2c_phy *phy; + struct microread_nfc_platform_data *pdata = + dev_get_platdata(&client->dev); + int r; + + dev_dbg(&client->dev, "client %p", client); + + if (!pdata) { + dev_err(&client->dev, "client %p: missing platform data", + client); + return -EINVAL; + } + + phy = devm_kzalloc(&client->dev, sizeof(struct microread_i2c_phy), + GFP_KERNEL); + if (!phy) { + dev_err(&client->dev, "Can't allocate microread phy"); + return -ENOMEM; + } + + i2c_set_clientdata(client, phy); + phy->i2c_dev = client; + + r = request_threaded_irq(client->irq, NULL, microread_i2c_irq_thread_fn, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + MICROREAD_I2C_DRIVER_NAME, phy); + if (r) { + dev_err(&client->dev, "Unable to register IRQ handler"); + return r; + } + + r = microread_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME, + MICROREAD_I2C_FRAME_HEADROOM, + MICROREAD_I2C_FRAME_TAILROOM, + MICROREAD_I2C_LLC_MAX_PAYLOAD, &phy->hdev); + if (r < 0) + goto err_irq; + + dev_info(&client->dev, "Probed"); + + return 0; + +err_irq: + free_irq(client->irq, phy); + + return r; +} + +static int microread_i2c_remove(struct i2c_client *client) +{ + struct microread_i2c_phy *phy = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "%s\n", __func__); + + microread_remove(phy->hdev); + + free_irq(client->irq, phy); + + return 0; +} + +static struct i2c_device_id microread_i2c_id[] = { + { MICROREAD_I2C_DRIVER_NAME, 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, microread_i2c_id); + +static struct i2c_driver microread_i2c_driver = { + .driver = { + .name = MICROREAD_I2C_DRIVER_NAME, + }, + .probe = microread_i2c_probe, + .remove = microread_i2c_remove, + .id_table = microread_i2c_id, +}; + +module_i2c_driver(microread_i2c_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c new file mode 100644 index 000000000000..eef38cfd812e --- /dev/null +++ b/drivers/nfc/microread/mei.c @@ -0,0 +1,246 @@ +/* + * HCI based Driver for Inside Secure microread NFC Chip + * + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> +#include <linux/mei_bus.h> + +#include <linux/nfc.h> +#include <net/nfc/hci.h> +#include <net/nfc/llc.h> + +#include "microread.h" + +#define MICROREAD_DRIVER_NAME "microread" + +#define MICROREAD_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, 0x94, \ + 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c) + +struct mei_nfc_hdr { + u8 cmd; + u8 status; + u16 req_id; + u32 reserved; + u16 data_size; +} __attribute__((packed)); + +#define MEI_NFC_HEADER_SIZE 10 +#define MEI_NFC_MAX_HCI_PAYLOAD 300 +#define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD) + +struct microread_mei_phy { + struct mei_device *mei_device; + struct nfc_hci_dev *hdev; + + int powered; + + int hard_fault; /* + * < 0 if hardware error occured (e.g. i2c err) + * and prevents normal operation. + */ +}; + +#define MEI_DUMP_SKB_IN(info, skb) \ +do { \ + pr_debug("%s:\n", info); \ + print_hex_dump(KERN_DEBUG, "mei in : ", DUMP_PREFIX_OFFSET, \ + 16, 1, (skb)->data, (skb)->len, 0); \ +} while (0) + +#define MEI_DUMP_SKB_OUT(info, skb) \ +do { \ + pr_debug("%s:\n", info); \ + print_hex_dump(KERN_DEBUG, "mei out: ", DUMP_PREFIX_OFFSET, \ + 16, 1, (skb)->data, (skb)->len, 0); \ +} while (0) + +static int microread_mei_enable(void *phy_id) +{ + struct microread_mei_phy *phy = phy_id; + + pr_info(DRIVER_DESC ": %s\n", __func__); + + phy->powered = 1; + + return 0; +} + +static void microread_mei_disable(void *phy_id) +{ + struct microread_mei_phy *phy = phy_id; + + pr_info(DRIVER_DESC ": %s\n", __func__); + + phy->powered = 0; +} + +/* + * Writing a frame must not return the number of written bytes. + * It must return either zero for success, or <0 for error. + * In addition, it must not alter the skb + */ +static int microread_mei_write(void *phy_id, struct sk_buff *skb) +{ + struct microread_mei_phy *phy = phy_id; + int r; + + MEI_DUMP_SKB_OUT("mei frame sent", skb); + + r = mei_send(phy->device, skb->data, skb->len); + if (r > 0) + r = 0; + + return r; +} + +static void microread_event_cb(struct mei_device *device, u32 events, + void *context) +{ + struct microread_mei_phy *phy = context; + + if (phy->hard_fault != 0) + return; + + if (events & BIT(MEI_EVENT_RX)) { + struct sk_buff *skb; + int reply_size; + + skb = alloc_skb(MEI_NFC_MAX_READ, GFP_KERNEL); + if (!skb) + return; + + reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ); + if (reply_size < MEI_NFC_HEADER_SIZE) { + kfree(skb); + return; + } + + skb_put(skb, reply_size); + skb_pull(skb, MEI_NFC_HEADER_SIZE); + + MEI_DUMP_SKB_IN("mei frame read", skb); + + nfc_hci_recv_frame(phy->hdev, skb); + } +} + +static struct nfc_phy_ops mei_phy_ops = { + .write = microread_mei_write, + .enable = microread_mei_enable, + .disable = microread_mei_disable, +}; + +static int microread_mei_probe(struct mei_device *device, + const struct mei_id *id) +{ + struct microread_mei_phy *phy; + int r; + + pr_info("Probing NFC microread\n"); + + phy = kzalloc(sizeof(struct microread_mei_phy), GFP_KERNEL); + if (!phy) { + pr_err("Cannot allocate memory for microread mei phy.\n"); + return -ENOMEM; + } + + phy->device = device; + mei_set_clientdata(device, phy); + + r = mei_register_event_cb(device, microread_event_cb, phy); + if (r) { + pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n"); + goto err_out; + } + + r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME, + MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD, + &phy->hdev); + if (r < 0) + goto err_out; + + return 0; + +err_out: + kfree(phy); + + return r; +} + +static int microread_mei_remove(struct mei_device *device) +{ + struct microread_mei_phy *phy = mei_get_clientdata(device); + + pr_info("Removing microread\n"); + + microread_remove(phy->hdev); + + if (phy->powered) + microread_mei_disable(phy); + + kfree(phy); + + return 0; +} + +static struct mei_id microread_mei_tbl[] = { + { MICROREAD_DRIVER_NAME, MICROREAD_UUID }, + + /* required last entry */ + { } +}; + +MODULE_DEVICE_TABLE(mei, microread_mei_tbl); + +static struct mei_driver microread_driver = { + .id_table = microread_mei_tbl, + .name = MICROREAD_DRIVER_NAME, + + .probe = microread_mei_probe, + .remove = microread_mei_remove, +}; + +static int microread_mei_init(void) +{ + int r; + + pr_debug(DRIVER_DESC ": %s\n", __func__); + + r = mei_driver_register(µread_driver); + if (r) { + pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n"); + return r; + } + + return 0; +} + +static void microread_mei_exit(void) +{ + mei_driver_unregister(µread_driver); +} + +module_init(microread_mei_init); +module_exit(microread_mei_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c new file mode 100644 index 000000000000..3420d833db17 --- /dev/null +++ b/drivers/nfc/microread/microread.c @@ -0,0 +1,728 @@ +/* + * HCI based Driver for Inside Secure microread NFC Chip + * + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/crc-ccitt.h> + +#include <linux/nfc.h> +#include <net/nfc/nfc.h> +#include <net/nfc/hci.h> +#include <net/nfc/llc.h> + +#include "microread.h" + +/* Proprietary gates, events, commands and registers */ +/* Admin */ +#define MICROREAD_GATE_ID_ADM NFC_HCI_ADMIN_GATE +#define MICROREAD_GATE_ID_MGT 0x01 +#define MICROREAD_GATE_ID_OS 0x02 +#define MICROREAD_GATE_ID_TESTRF 0x03 +#define MICROREAD_GATE_ID_LOOPBACK NFC_HCI_LOOPBACK_GATE +#define MICROREAD_GATE_ID_IDT NFC_HCI_ID_MGMT_GATE +#define MICROREAD_GATE_ID_LMS NFC_HCI_LINK_MGMT_GATE + +/* Reader */ +#define MICROREAD_GATE_ID_MREAD_GEN 0x10 +#define MICROREAD_GATE_ID_MREAD_ISO_B NFC_HCI_RF_READER_B_GATE +#define MICROREAD_GATE_ID_MREAD_NFC_T1 0x12 +#define MICROREAD_GATE_ID_MREAD_ISO_A NFC_HCI_RF_READER_A_GATE +#define MICROREAD_GATE_ID_MREAD_NFC_T3 0x14 +#define MICROREAD_GATE_ID_MREAD_ISO_15_3 0x15 +#define MICROREAD_GATE_ID_MREAD_ISO_15_2 0x16 +#define MICROREAD_GATE_ID_MREAD_ISO_B_3 0x17 +#define MICROREAD_GATE_ID_MREAD_BPRIME 0x18 +#define MICROREAD_GATE_ID_MREAD_ISO_A_3 0x19 + +/* Card */ +#define MICROREAD_GATE_ID_MCARD_GEN 0x20 +#define MICROREAD_GATE_ID_MCARD_ISO_B 0x21 +#define MICROREAD_GATE_ID_MCARD_BPRIME 0x22 +#define MICROREAD_GATE_ID_MCARD_ISO_A 0x23 +#define MICROREAD_GATE_ID_MCARD_NFC_T3 0x24 +#define MICROREAD_GATE_ID_MCARD_ISO_15_3 0x25 +#define MICROREAD_GATE_ID_MCARD_ISO_15_2 0x26 +#define MICROREAD_GATE_ID_MCARD_ISO_B_2 0x27 +#define MICROREAD_GATE_ID_MCARD_ISO_CUSTOM 0x28 +#define MICROREAD_GATE_ID_SECURE_ELEMENT 0x2F + +/* P2P */ +#define MICROREAD_GATE_ID_P2P_GEN 0x30 +#define MICROREAD_GATE_ID_P2P_TARGET 0x31 +#define MICROREAD_PAR_P2P_TARGET_MODE 0x01 +#define MICROREAD_PAR_P2P_TARGET_GT 0x04 +#define MICROREAD_GATE_ID_P2P_INITIATOR 0x32 +#define MICROREAD_PAR_P2P_INITIATOR_GI 0x01 +#define MICROREAD_PAR_P2P_INITIATOR_GT 0x03 + +/* Those pipes are created/opened by default in the chip */ +#define MICROREAD_PIPE_ID_LMS 0x00 +#define MICROREAD_PIPE_ID_ADMIN 0x01 +#define MICROREAD_PIPE_ID_MGT 0x02 +#define MICROREAD_PIPE_ID_OS 0x03 +#define MICROREAD_PIPE_ID_HDS_LOOPBACK 0x04 +#define MICROREAD_PIPE_ID_HDS_IDT 0x05 +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_B 0x08 +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_BPRIME 0x09 +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_A 0x0A +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_15_3 0x0B +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_15_2 0x0C +#define MICROREAD_PIPE_ID_HDS_MCARD_NFC_T3 0x0D +#define MICROREAD_PIPE_ID_HDS_MCARD_ISO_B_2 0x0E +#define MICROREAD_PIPE_ID_HDS_MCARD_CUSTOM 0x0F +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_B 0x10 +#define MICROREAD_PIPE_ID_HDS_MREAD_NFC_T1 0x11 +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_A 0x12 +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_15_3 0x13 +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_15_2 0x14 +#define MICROREAD_PIPE_ID_HDS_MREAD_NFC_T3 0x15 +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_B_3 0x16 +#define MICROREAD_PIPE_ID_HDS_MREAD_BPRIME 0x17 +#define MICROREAD_PIPE_ID_HDS_MREAD_ISO_A_3 0x18 +#define MICROREAD_PIPE_ID_HDS_MREAD_GEN 0x1B +#define MICROREAD_PIPE_ID_HDS_STACKED_ELEMENT 0x1C +#define MICROREAD_PIPE_ID_HDS_INSTANCES 0x1D +#define MICROREAD_PIPE_ID_HDS_TESTRF 0x1E +#define MICROREAD_PIPE_ID_HDS_P2P_TARGET 0x1F +#define MICROREAD_PIPE_ID_HDS_P2P_INITIATOR 0x20 + +/* Events */ +#define MICROREAD_EVT_MREAD_DISCOVERY_OCCURED NFC_HCI_EVT_TARGET_DISCOVERED +#define MICROREAD_EVT_MREAD_CARD_FOUND 0x3D +#define MICROREAD_EMCF_A_ATQA 0 +#define MICROREAD_EMCF_A_SAK 2 +#define MICROREAD_EMCF_A_LEN 3 +#define MICROREAD_EMCF_A_UID 4 +#define MICROREAD_EMCF_A3_ATQA 0 +#define MICROREAD_EMCF_A3_SAK 2 +#define MICROREAD_EMCF_A3_LEN 3 +#define MICROREAD_EMCF_A3_UID 4 +#define MICROREAD_EMCF_B_UID 0 +#define MICROREAD_EMCF_T1_ATQA 0 +#define MICROREAD_EMCF_T1_UID 4 +#define MICROREAD_EMCF_T3_UID 0 +#define MICROREAD_EVT_MREAD_DISCOVERY_START NFC_HCI_EVT_READER_REQUESTED +#define MICROREAD_EVT_MREAD_DISCOVERY_START_SOME 0x3E +#define MICROREAD_EVT_MREAD_DISCOVERY_STOP NFC_HCI_EVT_END_OPERATION +#define MICROREAD_EVT_MREAD_SIM_REQUESTS 0x3F +#define MICROREAD_EVT_MCARD_EXCHANGE NFC_HCI_EVT_TARGET_DISCOVERED +#define MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_TO_RF 0x20 +#define MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_FROM_RF 0x21 +#define MICROREAD_EVT_MCARD_FIELD_ON 0x11 +#define MICROREAD_EVT_P2P_TARGET_ACTIVATED 0x13 +#define MICROREAD_EVT_P2P_TARGET_DEACTIVATED 0x12 +#define MICROREAD_EVT_MCARD_FIELD_OFF 0x14 + +/* Commands */ +#define MICROREAD_CMD_MREAD_EXCHANGE 0x10 +#define MICROREAD_CMD_MREAD_SUBSCRIBE 0x3F + +/* Hosts IDs */ +#define MICROREAD_ELT_ID_HDS NFC_HCI_TERMINAL_HOST_ID +#define MICROREAD_ELT_ID_SIM NFC_HCI_UICC_HOST_ID +#define MICROREAD_ELT_ID_SE1 0x03 +#define MICROREAD_ELT_ID_SE2 0x04 +#define MICROREAD_ELT_ID_SE3 0x05 + +static struct nfc_hci_gate microread_gates[] = { + {MICROREAD_GATE_ID_ADM, MICROREAD_PIPE_ID_ADMIN}, + {MICROREAD_GATE_ID_LOOPBACK, MICROREAD_PIPE_ID_HDS_LOOPBACK}, + {MICROREAD_GATE_ID_IDT, MICROREAD_PIPE_ID_HDS_IDT}, + {MICROREAD_GATE_ID_LMS, MICROREAD_PIPE_ID_LMS}, + {MICROREAD_GATE_ID_MREAD_ISO_B, MICROREAD_PIPE_ID_HDS_MREAD_ISO_B}, + {MICROREAD_GATE_ID_MREAD_ISO_A, MICROREAD_PIPE_ID_HDS_MREAD_ISO_A}, + {MICROREAD_GATE_ID_MREAD_ISO_A_3, MICROREAD_PIPE_ID_HDS_MREAD_ISO_A_3}, + {MICROREAD_GATE_ID_MGT, MICROREAD_PIPE_ID_MGT}, + {MICROREAD_GATE_ID_OS, MICROREAD_PIPE_ID_OS}, + {MICROREAD_GATE_ID_MREAD_NFC_T1, MICROREAD_PIPE_ID_HDS_MREAD_NFC_T1}, + {MICROREAD_GATE_ID_MREAD_NFC_T3, MICROREAD_PIPE_ID_HDS_MREAD_NFC_T3}, + {MICROREAD_GATE_ID_P2P_TARGET, MICROREAD_PIPE_ID_HDS_P2P_TARGET}, + {MICROREAD_GATE_ID_P2P_INITIATOR, MICROREAD_PIPE_ID_HDS_P2P_INITIATOR} +}; + +/* Largest headroom needed for outgoing custom commands */ +#define MICROREAD_CMDS_HEADROOM 2 +#define MICROREAD_CMD_TAILROOM 2 + +struct microread_info { + struct nfc_phy_ops *phy_ops; + void *phy_id; + + struct nfc_hci_dev *hdev; + + int async_cb_type; + data_exchange_cb_t async_cb; + void *async_cb_context; +}; + +static int microread_open(struct nfc_hci_dev *hdev) +{ + struct microread_info *info = nfc_hci_get_clientdata(hdev); + + return info->phy_ops->enable(info->phy_id); +} + +static void microread_close(struct nfc_hci_dev *hdev) +{ + struct microread_info *info = nfc_hci_get_clientdata(hdev); + + info->phy_ops->disable(info->phy_id); +} + +static int microread_hci_ready(struct nfc_hci_dev *hdev) +{ + int r; + u8 param[4]; + + param[0] = 0x03; + r = nfc_hci_send_cmd(hdev, MICROREAD_GATE_ID_MREAD_ISO_A, + MICROREAD_CMD_MREAD_SUBSCRIBE, param, 1, NULL); + if (r) + return r; + + r = nfc_hci_send_cmd(hdev, MICROREAD_GATE_ID_MREAD_ISO_A_3, + MICROREAD_CMD_MREAD_SUBSCRIBE, NULL, 0, NULL); + if (r) + return r; + + param[0] = 0x00; + param[1] = 0x03; + param[2] = 0x00; + r = nfc_hci_send_cmd(hdev, MICROREAD_GATE_ID_MREAD_ISO_B, + MICROREAD_CMD_MREAD_SUBSCRIBE, param, 3, NULL); + if (r) + return r; + + r = nfc_hci_send_cmd(hdev, MICROREAD_GATE_ID_MREAD_NFC_T1, + MICROREAD_CMD_MREAD_SUBSCRIBE, NULL, 0, NULL); + if (r) + return r; + + param[0] = 0xFF; + param[1] = 0xFF; + param[2] = 0x00; + param[3] = 0x00; + r = nfc_hci_send_cmd(hdev, MICROREAD_GATE_ID_MREAD_NFC_T3, + MICROREAD_CMD_MREAD_SUBSCRIBE, param, 4, NULL); + + return r; +} + +static int microread_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb) +{ + struct microread_info *info = nfc_hci_get_clientdata(hdev); + + return info->phy_ops->write(info->phy_id, skb); +} + +static int microread_start_poll(struct nfc_hci_dev *hdev, + u32 im_protocols, u32 tm_protocols) +{ + int r; + + u8 param[2]; + u8 mode; + + param[0] = 0x00; + param[1] = 0x00; + + if (im_protocols & NFC_PROTO_ISO14443_MASK) + param[0] |= (1 << 2); + + if (im_protocols & NFC_PROTO_ISO14443_B_MASK) + param[0] |= 1; + + if (im_protocols & NFC_PROTO_MIFARE_MASK) + param[1] |= 1; + + if (im_protocols & NFC_PROTO_JEWEL_MASK) + param[0] |= (1 << 1); + + if (im_protocols & NFC_PROTO_FELICA_MASK) + param[0] |= (1 << 5); + + if (im_protocols & NFC_PROTO_NFC_DEP_MASK) + param[1] |= (1 << 1); + + if ((im_protocols | tm_protocols) & NFC_PROTO_NFC_DEP_MASK) { + hdev->gb = nfc_get_local_general_bytes(hdev->ndev, + &hdev->gb_len); + if (hdev->gb == NULL || hdev->gb_len == 0) { + im_protocols &= ~NFC_PROTO_NFC_DEP_MASK; + tm_protocols &= ~NFC_PROTO_NFC_DEP_MASK; + } + } + + r = nfc_hci_send_event(hdev, MICROREAD_GATE_ID_MREAD_ISO_A, + MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL, 0); + if (r) + return r; + + mode = 0xff; + r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET, + MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1); + if (r) + return r; + + if (im_protocols & NFC_PROTO_NFC_DEP_MASK) { + r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_INITIATOR, + MICROREAD_PAR_P2P_INITIATOR_GI, + hdev->gb, hdev->gb_len); + if (r) + return r; + } + + if (tm_protocols & NFC_PROTO_NFC_DEP_MASK) { + r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET, + MICROREAD_PAR_P2P_TARGET_GT, + hdev->gb, hdev->gb_len); + if (r) + return r; + + mode = 0x02; + r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET, + MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1); + if (r) + return r; + } + + return nfc_hci_send_event(hdev, MICROREAD_GATE_ID_MREAD_ISO_A, + MICROREAD_EVT_MREAD_DISCOVERY_START_SOME, + param, 2); +} + +static int microread_dep_link_up(struct nfc_hci_dev *hdev, + struct nfc_target *target, u8 comm_mode, + u8 *gb, size_t gb_len) +{ + struct sk_buff *rgb_skb = NULL; + int r; + + r = nfc_hci_get_param(hdev, target->hci_reader_gate, + MICROREAD_PAR_P2P_INITIATOR_GT, &rgb_skb); + if (r < 0) + return r; + + if (rgb_skb->len == 0 || rgb_skb->len > NFC_GB_MAXSIZE) { + r = -EPROTO; + goto exit; + } + + r = nfc_set_remote_general_bytes(hdev->ndev, rgb_skb->data, + rgb_skb->len); + if (r == 0) + r = nfc_dep_link_is_up(hdev->ndev, target->idx, comm_mode, + NFC_RF_INITIATOR); +exit: + kfree_skb(rgb_skb); + + return r; +} + +static int microread_dep_link_down(struct nfc_hci_dev *hdev) +{ + return nfc_hci_send_event(hdev, MICROREAD_GATE_ID_P2P_INITIATOR, + MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL, 0); +} + +static int microread_target_from_gate(struct nfc_hci_dev *hdev, u8 gate, + struct nfc_target *target) +{ + switch (gate) { + case MICROREAD_GATE_ID_P2P_INITIATOR: + target->supported_protocols = NFC_PROTO_NFC_DEP_MASK; + break; + default: + return -EPROTO; + } + + return 0; +} + +static int microread_complete_target_discovered(struct nfc_hci_dev *hdev, + u8 gate, + struct nfc_target *target) +{ + return 0; +} + +#define MICROREAD_CB_TYPE_READER_ALL 1 + +static void microread_im_transceive_cb(void *context, struct sk_buff *skb, + int err) +{ + struct microread_info *info = context; + + switch (info->async_cb_type) { + case MICROREAD_CB_TYPE_READER_ALL: + if (err == 0) { + if (skb->len == 0) { + err = -EPROTO; + kfree_skb(skb); + info->async_cb(info->async_cb_context, NULL, + -EPROTO); + return; + } + + if (skb->data[skb->len - 1] != 0) { + err = nfc_hci_result_to_errno( + skb->data[skb->len - 1]); + kfree_skb(skb); + info->async_cb(info->async_cb_context, NULL, + err); + return; + } + + skb_trim(skb, skb->len - 1); /* RF Error ind. */ + } + info->async_cb(info->async_cb_context, skb, err); + break; + default: + if (err == 0) + kfree_skb(skb); + break; + } +} + +/* + * Returns: + * <= 0: driver handled the data exchange + * 1: driver doesn't especially handle, please do standard processing + */ +static int microread_im_transceive(struct nfc_hci_dev *hdev, + struct nfc_target *target, + struct sk_buff *skb, data_exchange_cb_t cb, + void *cb_context) +{ + struct microread_info *info = nfc_hci_get_clientdata(hdev); + u8 control_bits; + u16 crc; + + pr_info("data exchange to gate 0x%x\n", target->hci_reader_gate); + + if (target->hci_reader_gate == MICROREAD_GATE_ID_P2P_INITIATOR) { + *skb_push(skb, 1) = 0; + + return nfc_hci_send_event(hdev, target->hci_reader_gate, + MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_TO_RF, + skb->data, skb->len); + } + + switch (target->hci_reader_gate) { + case MICROREAD_GATE_ID_MREAD_ISO_A: + control_bits = 0xCB; + break; + case MICROREAD_GATE_ID_MREAD_ISO_A_3: + control_bits = 0xCB; + break; + case MICROREAD_GATE_ID_MREAD_ISO_B: + control_bits = 0xCB; + break; + case MICROREAD_GATE_ID_MREAD_NFC_T1: + control_bits = 0x1B; + + crc = crc_ccitt(0xffff, skb->data, skb->len); + crc = ~crc; + *skb_put(skb, 1) = crc & 0xff; + *skb_put(skb, 1) = crc >> 8; + break; + case MICROREAD_GATE_ID_MREAD_NFC_T3: + control_bits = 0xDB; + break; + default: + pr_info("Abort im_transceive to invalid gate 0x%x\n", + target->hci_reader_gate); + return 1; + } + + *skb_push(skb, 1) = control_bits; + + info->async_cb_type = MICROREAD_CB_TYPE_READER_ALL; + info->async_cb = cb; + info->async_cb_context = cb_context; + + return nfc_hci_send_cmd_async(hdev, target->hci_reader_gate, + MICROREAD_CMD_MREAD_EXCHANGE, + skb->data, skb->len, + microread_im_transceive_cb, info); +} + +static int microread_tm_send(struct nfc_hci_dev *hdev, struct sk_buff *skb) +{ + int r; + + r = nfc_hci_send_event(hdev, MICROREAD_GATE_ID_P2P_TARGET, + MICROREAD_EVT_MCARD_EXCHANGE, + skb->data, skb->len); + + kfree_skb(skb); + + return r; +} + +static void microread_target_discovered(struct nfc_hci_dev *hdev, u8 gate, + struct sk_buff *skb) +{ + struct nfc_target *targets; + int r = 0; + + pr_info("target discovered to gate 0x%x\n", gate); + + targets = kzalloc(sizeof(struct nfc_target), GFP_KERNEL); + if (targets == NULL) { + r = -ENOMEM; + goto exit; + } + + targets->hci_reader_gate = gate; + + switch (gate) { + case MICROREAD_GATE_ID_MREAD_ISO_A: + targets->supported_protocols = + nfc_hci_sak_to_protocol(skb->data[MICROREAD_EMCF_A_SAK]); + targets->sens_res = + be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A_ATQA]); + targets->sel_res = skb->data[MICROREAD_EMCF_A_SAK]; + memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A_UID], + skb->data[MICROREAD_EMCF_A_LEN]); + targets->nfcid1_len = skb->data[MICROREAD_EMCF_A_LEN]; + break; + case MICROREAD_GATE_ID_MREAD_ISO_A_3: + targets->supported_protocols = + nfc_hci_sak_to_protocol(skb->data[MICROREAD_EMCF_A3_SAK]); + targets->sens_res = + be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A3_ATQA]); + targets->sel_res = skb->data[MICROREAD_EMCF_A3_SAK]; + memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A3_UID], + skb->data[MICROREAD_EMCF_A3_LEN]); + targets->nfcid1_len = skb->data[MICROREAD_EMCF_A3_LEN]; + break; + case MICROREAD_GATE_ID_MREAD_ISO_B: + targets->supported_protocols = NFC_PROTO_ISO14443_B_MASK; + memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_B_UID], 4); + targets->nfcid1_len = 4; + break; + case MICROREAD_GATE_ID_MREAD_NFC_T1: + targets->supported_protocols = NFC_PROTO_JEWEL_MASK; + targets->sens_res = + le16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_T1_ATQA]); + memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_T1_UID], 4); + targets->nfcid1_len = 4; + break; + case MICROREAD_GATE_ID_MREAD_NFC_T3: + targets->supported_protocols = NFC_PROTO_FELICA_MASK; + memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_T3_UID], 8); + targets->nfcid1_len = 8; + break; + default: + pr_info("discard target discovered to gate 0x%x\n", gate); + goto exit_free; + } + + r = nfc_targets_found(hdev->ndev, targets, 1); + +exit_free: + kfree(targets); + +exit: + kfree_skb(skb); + + if (r) + pr_err("Failed to handle discovered target err=%d", r); +} + +static int microread_event_received(struct nfc_hci_dev *hdev, u8 gate, + u8 event, struct sk_buff *skb) +{ + int r; + u8 mode; + + pr_info("Microread received event 0x%x to gate 0x%x\n", event, gate); + + switch (event) { + case MICROREAD_EVT_MREAD_CARD_FOUND: + microread_target_discovered(hdev, gate, skb); + return 0; + + case MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_FROM_RF: + if (skb->len < 1) { + kfree_skb(skb); + return -EPROTO; + } + + if (skb->data[skb->len - 1]) { + kfree_skb(skb); + return -EIO; + } + + skb_trim(skb, skb->len - 1); + + r = nfc_tm_data_received(hdev->ndev, skb); + break; + + case MICROREAD_EVT_MCARD_FIELD_ON: + case MICROREAD_EVT_MCARD_FIELD_OFF: + kfree_skb(skb); + return 0; + + case MICROREAD_EVT_P2P_TARGET_ACTIVATED: + r = nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK, + NFC_COMM_PASSIVE, skb->data, + skb->len); + + kfree_skb(skb); + break; + + case MICROREAD_EVT_MCARD_EXCHANGE: + if (skb->len < 1) { + kfree_skb(skb); + return -EPROTO; + } + + if (skb->data[skb->len-1]) { + kfree_skb(skb); + return -EIO; + } + + skb_trim(skb, skb->len - 1); + + r = nfc_tm_data_received(hdev->ndev, skb); + break; + + case MICROREAD_EVT_P2P_TARGET_DEACTIVATED: + kfree_skb(skb); + + mode = 0xff; + r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET, + MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1); + if (r) + break; + + r = nfc_hci_send_event(hdev, gate, + MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL, + 0); + break; + + default: + return 1; + } + + return r; +} + +static struct nfc_hci_ops microread_hci_ops = { + .open = microread_open, + .close = microread_close, + .hci_ready = microread_hci_ready, + .xmit = microread_xmit, + .start_poll = microread_start_poll, + .dep_link_up = microread_dep_link_up, + .dep_link_down = microread_dep_link_down, + .target_from_gate = microread_target_from_gate, + .complete_target_discovered = microread_complete_target_discovered, + .im_transceive = microread_im_transceive, + .tm_send = microread_tm_send, + .check_presence = NULL, + .event_received = microread_event_received, +}; + +int microread_probe(void *phy_id, struct nfc_phy_ops *phy_ops, char *llc_name, + int phy_headroom, int phy_tailroom, int phy_payload, + struct nfc_hci_dev **hdev) +{ + struct microread_info *info; + unsigned long quirks = 0; + u32 protocols, se; + struct nfc_hci_init_data init_data; + int r; + + info = kzalloc(sizeof(struct microread_info), GFP_KERNEL); + if (!info) { + pr_err("Cannot allocate memory for microread_info.\n"); + r = -ENOMEM; + goto err_info_alloc; + } + + info->phy_ops = phy_ops; + info->phy_id = phy_id; + + init_data.gate_count = ARRAY_SIZE(microread_gates); + memcpy(init_data.gates, microread_gates, sizeof(microread_gates)); + + strcpy(init_data.session_id, "MICROREA"); + + set_bit(NFC_HCI_QUIRK_SHORT_CLEAR, &quirks); + + protocols = NFC_PROTO_JEWEL_MASK | + NFC_PROTO_MIFARE_MASK | + NFC_PROTO_FELICA_MASK | + NFC_PROTO_ISO14443_MASK | + NFC_PROTO_ISO14443_B_MASK | + NFC_PROTO_NFC_DEP_MASK; + + se = NFC_SE_UICC | NFC_SE_EMBEDDED; + + info->hdev = nfc_hci_allocate_device(µread_hci_ops, &init_data, + quirks, protocols, se, llc_name, + phy_headroom + + MICROREAD_CMDS_HEADROOM, + phy_tailroom + + MICROREAD_CMD_TAILROOM, + phy_payload); + if (!info->hdev) { + pr_err("Cannot allocate nfc hdev.\n"); + r = -ENOMEM; + goto err_alloc_hdev; + } + + nfc_hci_set_clientdata(info->hdev, info); + + r = nfc_hci_register_device(info->hdev); + if (r) + goto err_regdev; + + *hdev = info->hdev; + + return 0; + +err_regdev: + nfc_hci_free_device(info->hdev); + +err_alloc_hdev: + kfree(info); + +err_info_alloc: + return r; +} +EXPORT_SYMBOL(microread_probe); + +void microread_remove(struct nfc_hci_dev *hdev) +{ + struct microread_info *info = nfc_hci_get_clientdata(hdev); + + nfc_hci_unregister_device(hdev); + nfc_hci_free_device(hdev); + kfree(info); +} +EXPORT_SYMBOL(microread_remove); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/nfc/microread/microread.h b/drivers/nfc/microread/microread.h new file mode 100644 index 000000000000..64b447a1c5bf --- /dev/null +++ b/drivers/nfc/microread/microread.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2011 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __LOCAL_MICROREAD_H_ +#define __LOCAL_MICROREAD_H_ + +#include <net/nfc/hci.h> + +#define DRIVER_DESC "NFC driver for microread" + +int microread_probe(void *phy_id, struct nfc_phy_ops *phy_ops, char *llc_name, + int phy_headroom, int phy_tailroom, int phy_payload, + struct nfc_hci_dev **hdev); + +void microread_remove(struct nfc_hci_dev *hdev); + +#endif /* __LOCAL_MICROREAD_H_ */ diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index f696318cfb51..f0f6763d67ae 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -219,7 +219,7 @@ struct pn533_poll_modulations { u8 len; }; -const struct pn533_poll_modulations poll_mod[] = { +static const struct pn533_poll_modulations poll_mod[] = { [PN533_POLL_MOD_106KBPS_A] = { .data = { .maxtg = 1, @@ -485,7 +485,7 @@ static u8 pn533_get_cmd_code(void *frame) return PN533_FRAME_CMD(f); } -struct pn533_frame_ops pn533_std_frame_ops = { +static struct pn533_frame_ops pn533_std_frame_ops = { .tx_frame_init = pn533_tx_frame_init, .tx_frame_finish = pn533_tx_frame_finish, .tx_update_payload_len = pn533_tx_update_payload_len, @@ -532,7 +532,6 @@ static void pn533_recv_response(struct urb *urb) urb->status); dev->wq_in_error = urb->status; goto sched_wq; - break; case -ESHUTDOWN: default: nfc_dev_err(&dev->interface->dev, @@ -589,7 +588,6 @@ static void pn533_recv_ack(struct urb *urb) urb->status); dev->wq_in_error = urb->status; goto sched_wq; - break; case -ESHUTDOWN: default: nfc_dev_err(&dev->interface->dev, @@ -1380,7 +1378,7 @@ static struct sk_buff *pn533_alloc_poll_tg_frame(struct pn533 *dev) return NULL; /* DEP support only */ - *skb_put(skb, 1) |= PN533_INIT_TARGET_DEP; + *skb_put(skb, 1) = PN533_INIT_TARGET_DEP; /* MIFARE params */ memcpy(skb_put(skb, 6), mifare_params, 6); diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 1d31eab19d16..f1bce18ea828 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -424,7 +424,7 @@ int prism2_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) goto exit; } - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); } if (result) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 11c8bc87fdcb..7e24fe0cfbcd 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -151,6 +151,11 @@ /* Mesh Control 802.11s */ #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 +/* Mesh Power Save Level */ +#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 +/* Mesh Receiver Service Period Initiated */ +#define IEEE80211_QOS_CTL_RSPI 0x0400 + /* U-APSD queue for WMM IEs sent by AP */ #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f @@ -675,11 +680,14 @@ struct ieee80211_meshconf_ie { * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure * is ongoing + * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has + * neighbors in deep sleep mode */ enum mesh_config_capab_flags { IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, + IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, }; /** @@ -706,6 +714,30 @@ enum ieee80211_ht_chanwidth_values { IEEE80211_HT_CHANWIDTH_ANY = 1, }; +/** + * enum ieee80211_opmode_bits - VHT operating mode field bits + * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask + * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width + * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width + * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width + * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width + * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask + * (the NSS value is the value of this field + 1) + * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift + * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU + * using a beamforming steering matrix + */ +enum ieee80211_vht_opmode_bits { + IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, + IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, + IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, + IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, + IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, + IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, + IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, + IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, +}; + #define WLAN_SA_QUERY_TR_ID_LEN 2 struct ieee80211_mgmt { @@ -836,6 +868,10 @@ struct ieee80211_mgmt { __le16 capability; u8 variable[0]; } __packed tdls_discover_resp; + struct { + u8 action_code; + u8 operating_mode; + } __packed vht_opmode_notif; } u; } __packed action; } u; @@ -1265,6 +1301,7 @@ struct ieee80211_vht_operation { #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 +#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 @@ -1590,6 +1627,7 @@ enum ieee80211_eid { WLAN_EID_VHT_CAPABILITY = 191, WLAN_EID_VHT_OPERATION = 192, + WLAN_EID_OPMODE_NOTIF = 199, /* 802.11ad */ WLAN_EID_NON_TX_BSSID_CAP = 83, @@ -1644,6 +1682,7 @@ enum ieee80211_category { WLAN_CATEGORY_WMM = 17, WLAN_CATEGORY_FST = 18, WLAN_CATEGORY_UNPROT_DMG = 20, + WLAN_CATEGORY_VHT = 21, WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, WLAN_CATEGORY_VENDOR_SPECIFIC = 127, }; @@ -1669,6 +1708,13 @@ enum ieee80211_ht_actioncode { WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, }; +/* VHT action codes */ +enum ieee80211_vht_actioncode { + WLAN_VHT_ACTION_COMPRESSED_BF = 0, + WLAN_VHT_ACTION_GROUPID_MGMT = 1, + WLAN_VHT_ACTION_OPMODE_NOTIF = 2, +}; + /* Self Protected Action codes */ enum ieee80211_self_protected_actioncode { WLAN_SP_RESERVED = 0, @@ -1730,6 +1776,8 @@ enum ieee80211_tdls_actioncode { #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) +#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) + /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 @@ -2106,7 +2154,7 @@ static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) * @tim_len: length of the TIM IE * @aid: the AID to look for */ -static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim, +static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, u8 tim_len, u16 aid) { u8 mask; diff --git a/include/linux/platform_data/microread.h b/include/linux/platform_data/microread.h new file mode 100644 index 000000000000..cfda59b226ee --- /dev/null +++ b/include/linux/platform_data/microread.h @@ -0,0 +1,35 @@ +/* + * Driver include for the PN544 NFC chip. + * + * Copyright (C) 2011 Tieto Poland + * Copyright (C) 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MICROREAD_H +#define _MICROREAD_H + +#include <linux/i2c.h> + +#define MICROREAD_DRIVER_NAME "microread" + +/* board config platform data for microread */ +struct microread_nfc_platform_data { + unsigned int rst_gpio; + unsigned int irq_gpio; + unsigned int ioh_gpio; +}; + +#endif /* _MICROREAD_H */ diff --git a/include/linux/wl12xx.h b/include/linux/wl12xx.h index 0d6373195d32..a54fe82e704b 100644 --- a/include/linux/wl12xx.h +++ b/include/linux/wl12xx.h @@ -24,6 +24,8 @@ #ifndef _LINUX_WL12XX_H #define _LINUX_WL12XX_H +#include <linux/err.h> + /* Reference clock values */ enum { WL12XX_REFCLOCK_19 = 0, /* 19.2 MHz */ @@ -55,17 +57,17 @@ struct wl12xx_platform_data { int board_tcxo_clock; unsigned long platform_quirks; bool pwr_in_suspend; - - struct wl1271_if_operations *ops; }; /* Platform does not support level trigger interrupts */ #define WL12XX_PLATFORM_QUIRK_EDGE_IRQ BIT(0) -#ifdef CONFIG_WL12XX_PLATFORM_DATA +#ifdef CONFIG_WILINK_PLATFORM_DATA int wl12xx_set_platform_data(const struct wl12xx_platform_data *data); +struct wl12xx_platform_data *wl12xx_get_platform_data(void); + #else static inline @@ -74,8 +76,12 @@ int wl12xx_set_platform_data(const struct wl12xx_platform_data *data) return -ENOSYS; } -#endif +static inline +struct wl12xx_platform_data *wl12xx_get_platform_data(void) +{ + return ERR_PTR(-ENODATA); +} -struct wl12xx_platform_data *wl12xx_get_platform_data(void); +#endif #endif diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index f9df20028bbd..d581c6de5d64 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -19,6 +19,7 @@ #include <linux/nl80211.h> #include <linux/if_ether.h> #include <linux/ieee80211.h> +#include <linux/net.h> #include <net/regulatory.h> /** @@ -99,6 +100,16 @@ enum ieee80211_band { * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel * is not permitted. * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel. + * @IEEE80211_CHAN_NO_80MHZ: If the driver supports 80 MHz on the band, + * this flag indicates that an 80 MHz channel cannot use this + * channel as the control or any of the secondary channels. + * This may be due to the driver or due to regulatory bandwidth + * restrictions. + * @IEEE80211_CHAN_NO_160MHZ: If the driver supports 160 MHz on the band, + * this flag indicates that an 160 MHz channel cannot use this + * channel as the control or any of the secondary channels. + * This may be due to the driver or due to regulatory bandwidth + * restrictions. */ enum ieee80211_channel_flags { IEEE80211_CHAN_DISABLED = 1<<0, @@ -108,11 +119,16 @@ enum ieee80211_channel_flags { IEEE80211_CHAN_NO_HT40PLUS = 1<<4, IEEE80211_CHAN_NO_HT40MINUS = 1<<5, IEEE80211_CHAN_NO_OFDM = 1<<6, + IEEE80211_CHAN_NO_80MHZ = 1<<7, + IEEE80211_CHAN_NO_160MHZ = 1<<8, }; #define IEEE80211_CHAN_NO_HT40 \ (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) +#define IEEE80211_DFS_MIN_CAC_TIME_MS 60000 +#define IEEE80211_DFS_MIN_NOP_TIME_MS (30 * 60 * 1000) + /** * struct ieee80211_channel - channel definition * @@ -133,6 +149,9 @@ enum ieee80211_channel_flags { * to enable this, this is useful only on 5 GHz band. * @orig_mag: internal use * @orig_mpwr: internal use + * @dfs_state: current state of this channel. Only relevant if radar is required + * on this channel. + * @dfs_state_entered: timestamp (jiffies) when the dfs state was entered. */ struct ieee80211_channel { enum ieee80211_band band; @@ -145,6 +164,8 @@ struct ieee80211_channel { bool beacon_found; u32 orig_flags; int orig_mag, orig_mpwr; + enum nl80211_dfs_state dfs_state; + unsigned long dfs_state_entered; }; /** @@ -535,7 +556,7 @@ struct mac_address { * struct cfg80211_acl_data - Access control list data * * @acl_policy: ACL policy to be applied on the station's - entry specified by mac_addr + * entry specified by mac_addr * @n_acl_entries: Number of MAC address entries passed * @mac_addrs: List of MAC addresses of stations to be used for ACL */ @@ -568,6 +589,7 @@ struct cfg80211_acl_data { * @p2p_opp_ps: P2P opportunistic PS * @acl: ACL configuration used by the drivers which has support for * MAC address based access control + * @radar_required: set if radar detection is required */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -585,6 +607,7 @@ struct cfg80211_ap_settings { u8 p2p_ctwindow; bool p2p_opp_ps; const struct cfg80211_acl_data *acl; + bool radar_required; }; /** @@ -603,12 +626,14 @@ enum plink_actions { /** * enum station_parameters_apply_mask - station parameter values to apply * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp) + * @STATION_PARAM_APPLY_CAPABILITY: apply new capability * * Not all station parameters have in-band "no change" signalling, * for those that don't these flags will are used. */ enum station_parameters_apply_mask { STATION_PARAM_APPLY_UAPSD = BIT(0), + STATION_PARAM_APPLY_CAPABILITY = BIT(1), }; /** @@ -639,6 +664,9 @@ enum station_parameters_apply_mask { * see &enum station_parameters_apply_mask * @local_pm: local link-specific mesh power save mode (no change when set * to unknown) + * @capability: station capability + * @ext_capab: extended capabilities of the station + * @ext_capab_len: number of extended capabilities */ struct station_parameters { u8 *supported_rates; @@ -655,6 +683,9 @@ struct station_parameters { u8 uapsd_queues; u8 max_sp; enum nl80211_mesh_power_mode local_pm; + u16 capability; + u8 *ext_capab; + u8 ext_capab_len; }; /** @@ -666,14 +697,16 @@ struct station_parameters { * @STATION_INFO_INACTIVE_TIME: @inactive_time filled * @STATION_INFO_RX_BYTES: @rx_bytes filled * @STATION_INFO_TX_BYTES: @tx_bytes filled + * @STATION_INFO_RX_BYTES64: @rx_bytes filled with 64-bit value + * @STATION_INFO_TX_BYTES64: @tx_bytes filled with 64-bit value * @STATION_INFO_LLID: @llid filled * @STATION_INFO_PLID: @plid filled * @STATION_INFO_PLINK_STATE: @plink_state filled * @STATION_INFO_SIGNAL: @signal filled * @STATION_INFO_TX_BITRATE: @txrate fields are filled * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) - * @STATION_INFO_RX_PACKETS: @rx_packets filled - * @STATION_INFO_TX_PACKETS: @tx_packets filled + * @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value + * @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value * @STATION_INFO_TX_RETRIES: @tx_retries filled * @STATION_INFO_TX_FAILED: @tx_failed filled * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled @@ -714,6 +747,8 @@ enum station_info_flags { STATION_INFO_LOCAL_PM = 1<<21, STATION_INFO_PEER_PM = 1<<22, STATION_INFO_NONPEER_PM = 1<<23, + STATION_INFO_RX_BYTES64 = 1<<24, + STATION_INFO_TX_BYTES64 = 1<<25, }; /** @@ -835,8 +870,8 @@ struct station_info { u32 filled; u32 connected_time; u32 inactive_time; - u32 rx_bytes; - u32 tx_bytes; + u64 rx_bytes; + u64 tx_bytes; u16 llid; u16 plid; u8 plink_state; @@ -1222,6 +1257,7 @@ struct cfg80211_match_set { * @n_match_sets: number of match sets * @wiphy: the wiphy this was for * @dev: the interface + * @scan_start: start time of the scheduled scan * @channels: channels to scan * @rssi_thold: don't report scan results below this threshold (in s32 dBm) */ @@ -1261,11 +1297,13 @@ enum cfg80211_signal_type { /** * struct cfg80211_bss_ie_data - BSS entry IE data + * @tsf: TSF contained in the frame that carried these IEs * @rcu_head: internal use, for freeing * @len: length of the IEs * @data: IE data */ struct cfg80211_bss_ies { + u64 tsf; struct rcu_head rcu_head; int len; u8 data[]; @@ -1279,29 +1317,32 @@ struct cfg80211_bss_ies { * * @channel: channel this BSS is on * @bssid: BSSID of the BSS - * @tsf: timestamp of last received update * @beacon_interval: the beacon interval as from the frame * @capability: the capability field in host byte order - * @ies: the information elements (Note that there - * is no guarantee that these are well-formed!); this is a pointer to - * either the beacon_ies or proberesp_ies depending on whether Probe - * Response frame has been received + * @ies: the information elements (Note that there is no guarantee that these + * are well-formed!); this is a pointer to either the beacon_ies or + * proberesp_ies depending on whether Probe Response frame has been + * received. It is always non-%NULL. * @beacon_ies: the information elements from the last Beacon frame + * (implementation note: if @hidden_beacon_bss is set this struct doesn't + * own the beacon_ies, but they're just pointers to the ones from the + * @hidden_beacon_bss struct) * @proberesp_ies: the information elements from the last Probe Response frame + * @hidden_beacon_bss: in case this BSS struct represents a probe response from + * a BSS that hides the SSID in its beacon, this points to the BSS struct + * that holds the beacon data. @beacon_ies is still valid, of course, and + * points to the same data as hidden_beacon_bss->beacon_ies in that case. * @signal: signal strength value (type depends on the wiphy's signal_type) - * @free_priv: function pointer to free private data * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes */ struct cfg80211_bss { - u64 tsf; - struct ieee80211_channel *channel; const struct cfg80211_bss_ies __rcu *ies; const struct cfg80211_bss_ies __rcu *beacon_ies; const struct cfg80211_bss_ies __rcu *proberesp_ies; - void (*free_priv)(struct cfg80211_bss *bss); + struct cfg80211_bss *hidden_beacon_bss; s32 signal; @@ -1403,6 +1444,8 @@ struct cfg80211_assoc_request { * @ie: Extra IEs to add to Deauthentication frame or %NULL * @ie_len: Length of ie buffer in octets * @reason_code: The reason code for the deauthentication + * @local_state_change: if set, change local state only and + * do not set a deauth frame */ struct cfg80211_deauth_request { const u8 *bssid; @@ -1564,6 +1607,7 @@ struct cfg80211_pmksa { * one bit per byte, in same format as nl80211 * @pattern: bytes to match where bitmask is 1 * @pattern_len: length of pattern (in bytes) + * @pkt_offset: packet offset (in bytes) * * Internal note: @mask and @pattern are allocated in one chunk of * memory, free @mask only! @@ -1571,6 +1615,42 @@ struct cfg80211_pmksa { struct cfg80211_wowlan_trig_pkt_pattern { u8 *mask, *pattern; int pattern_len; + int pkt_offset; +}; + +/** + * struct cfg80211_wowlan_tcp - TCP connection parameters + * + * @sock: (internal) socket for source port allocation + * @src: source IP address + * @dst: destination IP address + * @dst_mac: destination MAC address + * @src_port: source port + * @dst_port: destination port + * @payload_len: data payload length + * @payload: data payload buffer + * @payload_seq: payload sequence stamping configuration + * @data_interval: interval at which to send data packets + * @wake_len: wakeup payload match length + * @wake_data: wakeup payload match data + * @wake_mask: wakeup payload match mask + * @tokens_size: length of the tokens buffer + * @payload_tok: payload token usage configuration + */ +struct cfg80211_wowlan_tcp { + struct socket *sock; + __be32 src, dst; + u16 src_port, dst_port; + u8 dst_mac[ETH_ALEN]; + int payload_len; + const u8 *payload; + struct nl80211_wowlan_tcp_data_seq payload_seq; + u32 data_interval; + u32 wake_len; + const u8 *wake_data, *wake_mask; + u32 tokens_size; + /* must be last, variable member */ + struct nl80211_wowlan_tcp_data_token payload_tok; }; /** @@ -1587,16 +1667,49 @@ struct cfg80211_wowlan_trig_pkt_pattern { * @eap_identity_req: wake up on EAP identity request packet * @four_way_handshake: wake up on 4-way handshake * @rfkill_release: wake up when rfkill is released + * @tcp: TCP connection establishment/wakeup parameters, see nl80211.h. + * NULL if not configured. */ struct cfg80211_wowlan { bool any, disconnect, magic_pkt, gtk_rekey_failure, eap_identity_req, four_way_handshake, rfkill_release; struct cfg80211_wowlan_trig_pkt_pattern *patterns; + struct cfg80211_wowlan_tcp *tcp; int n_patterns; }; /** + * struct cfg80211_wowlan_wakeup - wakeup report + * @disconnect: woke up by getting disconnected + * @magic_pkt: woke up by receiving magic packet + * @gtk_rekey_failure: woke up by GTK rekey failure + * @eap_identity_req: woke up by EAP identity request packet + * @four_way_handshake: woke up by 4-way handshake + * @rfkill_release: woke up by rfkill being released + * @pattern_idx: pattern that caused wakeup, -1 if not due to pattern + * @packet_present_len: copied wakeup packet data + * @packet_len: original wakeup packet length + * @packet: The packet causing the wakeup, if any. + * @packet_80211: For pattern match, magic packet and other data + * frame triggers an 802.3 frame should be reported, for + * disconnect due to deauth 802.11 frame. This indicates which + * it is. + * @tcp_match: TCP wakeup packet received + * @tcp_connlost: TCP connection lost or failed to establish + * @tcp_nomoretokens: TCP data ran out of tokens + */ +struct cfg80211_wowlan_wakeup { + bool disconnect, magic_pkt, gtk_rekey_failure, + eap_identity_req, four_way_handshake, + rfkill_release, packet_80211, + tcp_match, tcp_connlost, tcp_nomoretokens; + s32 pattern_idx; + u32 packet_present_len, packet_len; + const void *packet; +}; + +/** * struct cfg80211_gtk_rekey_data - rekey data * @kek: key encryption key * @kck: key confirmation key @@ -1826,6 +1939,8 @@ struct cfg80211_gtk_rekey_data { * this new list replaces the existing one. Driver has to clear its ACL * when number of MAC addresses entries is passed as 0. Drivers which * advertise the support for MAC based ACL have to implement this callback. + * + * @start_radar_detection: Start radar detection in the driver. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -2049,6 +2164,10 @@ struct cfg80211_ops { int (*set_mac_acl)(struct wiphy *wiphy, struct net_device *dev, const struct cfg80211_acl_data *params); + + int (*start_radar_detection)(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_chan_def *chandef); }; /* @@ -2245,6 +2364,14 @@ enum wiphy_wowlan_support_flags { WIPHY_WOWLAN_RFKILL_RELEASE = BIT(7), }; +struct wiphy_wowlan_tcp_support { + const struct nl80211_wowlan_tcp_data_token_feature *tok; + u32 data_payload_max; + u32 data_interval_max; + u32 wake_payload_max; + bool seq; +}; + /** * struct wiphy_wowlan_support - WoWLAN support data * @flags: see &enum wiphy_wowlan_support_flags @@ -2252,12 +2379,16 @@ enum wiphy_wowlan_support_flags { * (see nl80211.h for the pattern definition) * @pattern_max_len: maximum length of each pattern * @pattern_min_len: minimum length of each pattern + * @max_pkt_offset: maximum Rx packet offset + * @tcp: TCP wakeup support information */ struct wiphy_wowlan_support { u32 flags; int n_patterns; int pattern_max_len; int pattern_min_len; + int max_pkt_offset; + const struct wiphy_wowlan_tcp_support *tcp; }; /** @@ -2357,6 +2488,14 @@ struct wiphy_wowlan_support { * * @max_acl_mac_addrs: Maximum number of MAC addresses that the device * supports for ACL. + * + * @extended_capabilities: extended capabilities supported by the driver, + * additional capabilities might be supported by userspace; these are + * the 802.11 extended capabilities ("Extended Capabilities element") + * and are in the same format as in the information element. See + * 802.11-2012 8.4.2.29 for the defined fields. + * @extended_capabilities_mask: mask of the valid values + * @extended_capabilities_len: length of the extended capabilities */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -2423,6 +2562,9 @@ struct wiphy { */ u32 probe_resp_offload; + const u8 *extended_capabilities, *extended_capabilities_mask; + u8 extended_capabilities_len; + /* If multiple wiphys are registered and you're handed e.g. * a regular netdev with assigned ieee80211_ptr, you won't * know whether it points to a wiphy your driver has registered @@ -2602,7 +2744,6 @@ struct cfg80211_cached_keys; * the user-set AP, monitor and WDS channel * @preset_chan: (private) Used by the internal configuration code to * track the channel to be used for AP later - * @preset_chantype: (private) the corresponding channel type * @bssid: (private) Used by the internal configuration code * @ssid: (private) Used by the internal configuration code * @ssid_len: (private) Used by the internal configuration code @@ -2621,6 +2762,8 @@ struct cfg80211_cached_keys; * beacons, 0 when not valid * @address: The address for this device, valid only if @netdev is %NULL * @p2p_started: true if this is a P2P Device that has been started + * @cac_started: true if DFS channel availability check has been started + * @cac_start_time: timestamp (jiffies) when the dfs state was entered. */ struct wireless_dev { struct wiphy *wiphy; @@ -2672,6 +2815,9 @@ struct wireless_dev { u32 ap_unexpected_nlportid; + bool cac_started; + unsigned long cac_start_time; + #ifdef CONFIG_CFG80211_WEXT /* wext data */ struct { @@ -3137,25 +3283,23 @@ cfg80211_get_ibss(struct wiphy *wiphy, WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); } -struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg); /** * cfg80211_ref_bss - reference BSS struct + * @wiphy: the wiphy this BSS struct belongs to * @bss: the BSS struct to reference * * Increments the refcount of the given BSS struct. */ -void cfg80211_ref_bss(struct cfg80211_bss *bss); +void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); /** * cfg80211_put_bss - unref BSS struct + * @wiphy: the wiphy this BSS struct belongs to * @bss: the BSS struct * * Decrements the refcount of the given BSS struct. */ -void cfg80211_put_bss(struct cfg80211_bss *bss); +void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); /** * cfg80211_unlink_bss - unlink BSS from internal data structures @@ -3663,6 +3807,31 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, gfp_t gfp); /** + * cfg80211_radar_event - radar detection event + * @wiphy: the wiphy + * @chandef: chandef for the current channel + * @gfp: context flags + * + * This function is called when a radar is detected on the current chanenl. + */ +void cfg80211_radar_event(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, gfp_t gfp); + +/** + * cfg80211_cac_event - Channel availability check (CAC) event + * @netdev: network device + * @event: type of event + * @gfp: context flags + * + * This function is called when a Channel availability check (CAC) is finished + * or aborted. This must be called to notify the completion of a CAC process, + * also by full-MAC drivers. + */ +void cfg80211_cac_event(struct net_device *netdev, + enum nl80211_radar_event event, gfp_t gfp); + + +/** * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer * @dev: network device * @peer: peer's MAC address @@ -3852,6 +4021,21 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len, enum ieee80211_p2p_attr_id attr, u8 *buf, unsigned int bufsize); +/** + * cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN + * @wdev: the wireless device reporting the wakeup + * @wakeup: the wakeup report + * @gfp: allocation flags + * + * This function reports that the given device woke up. If it + * caused the wakeup, report the reason(s), otherwise you may + * pass %NULL as the @wakeup parameter to advertise that something + * else caused the wakeup. + */ +void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp); + /* Logging, debugging and troubleshooting/diagnostic helpers. */ /* wiphy_printk helpers, similar to dev_printk */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5c98d654fc75..f7eba1300d82 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -147,10 +147,12 @@ struct ieee80211_low_level_stats { * enum ieee80211_chanctx_change - change flag for channel context * @IEEE80211_CHANCTX_CHANGE_WIDTH: The channel width changed * @IEEE80211_CHANCTX_CHANGE_RX_CHAINS: The number of RX chains changed + * @IEEE80211_CHANCTX_CHANGE_RADAR: radar detection flag changed */ enum ieee80211_chanctx_change { IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(0), IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(1), + IEEE80211_CHANCTX_CHANGE_RADAR = BIT(2), }; /** @@ -165,6 +167,7 @@ enum ieee80211_chanctx_change { * @rx_chains_dynamic: The number of RX chains that must be enabled * after RTS/CTS handshake to receive SMPS MIMO transmissions; * this will always be >= @rx_chains_static. + * @radar_enabled: whether radar detection is enabled on this channel. * @drv_priv: data area for driver use, will always be aligned to * sizeof(void *), size is determined in hw information. */ @@ -173,6 +176,8 @@ struct ieee80211_chanctx_conf { u8 rx_chains_static, rx_chains_dynamic; + bool radar_enabled; + u8 drv_priv[0] __aligned(sizeof(void *)); }; @@ -208,6 +213,11 @@ struct ieee80211_chanctx_conf { * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface * @BSS_CHANGED_P2P_PS: P2P powersave settings (CTWindow, opportunistic PS) * changed (currently only in P2P client mode, GO mode will be later) + * @BSS_CHANGED_DTIM_PERIOD: the DTIM period value was changed (set when + * it becomes valid, managed mode only) + * @BSS_CHANGED_BANDWIDTH: The bandwidth used by this interface changed, + * note that this is only called when it changes after the channel + * context had been assigned. */ enum ieee80211_bss_change { BSS_CHANGED_ASSOC = 1<<0, @@ -230,6 +240,8 @@ enum ieee80211_bss_change { BSS_CHANGED_PS = 1<<17, BSS_CHANGED_TXPOWER = 1<<18, BSS_CHANGED_P2P_PS = 1<<19, + BSS_CHANGED_DTIM_PERIOD = 1<<20, + BSS_CHANGED_BANDWIDTH = 1<<21, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -271,13 +283,19 @@ enum ieee80211_rssi_event { * if the hardware cannot handle this it must set the * IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag * @dtim_period: num of beacons before the next DTIM, for beaconing, - * valid in station mode only while @assoc is true and if also - * requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf - * @ps_dtim_period) + * valid in station mode only if after the driver was notified + * with the %BSS_CHANGED_DTIM_PERIOD flag, will be non-zero then. * @sync_tsf: last beacon's/probe response's TSF timestamp (could be old - * as it may have been received during scanning long ago) + * as it may have been received during scanning long ago). If the + * HW flag %IEEE80211_HW_TIMING_BEACON_ONLY is set, then this can + * only come from a beacon, but might not become valid until after + * association when a beacon is received (which is notified with the + * %BSS_CHANGED_DTIM flag.) * @sync_device_ts: the device timestamp corresponding to the sync_tsf, * the driver/device can use this to calculate synchronisation + * (see @sync_tsf) + * @sync_dtim_count: Only valid when %IEEE80211_HW_TIMING_BEACON_ONLY + * is requested, see @sync_tsf/@sync_device_ts. * @beacon_int: beacon interval * @assoc_capability: capabilities taken from assoc resp * @basic_rates: bitmap of basic rates, each bit stands for an @@ -329,6 +347,7 @@ struct ieee80211_bss_conf { u16 assoc_capability; u64 sync_tsf; u32 sync_device_ts; + u8 sync_dtim_count; u32 basic_rates; int mcast_rate[IEEE80211_NUM_BANDS]; u16 ht_operation_mode; @@ -389,6 +408,9 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be * set by rate control algorithms to indicate probe rate, will * be cleared for fragmented frames (except on the last fragment) + * @IEEE80211_TX_INTFL_OFFCHAN_TX_OK: Internal to mac80211. Used to indicate + * that a frame can be transmitted while the queues are stopped for + * off-channel operation. * @IEEE80211_TX_INTFL_NEED_TXPROCESSING: completely internal to mac80211, * used to indicate that a pending frame requires TX processing before * it can be sent out. @@ -406,6 +428,9 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_INTFL_RETRANSMISSION: This frame is being retransmitted * after TX status because the destination was asleep, it must not * be modified again (no seqno assignment, crypto, etc.) + * @IEEE80211_TX_INTFL_MLME_CONN_TX: This frame was transmitted by the MLME + * code for connection establishment, this indicates that its status + * should kick the MLME state machine. * @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211 * MLME command (internal to mac80211 to figure out whether to send TX * status to user space) @@ -451,13 +476,14 @@ enum mac80211_tx_control_flags { IEEE80211_TX_STAT_AMPDU = BIT(10), IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(11), IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(12), + IEEE80211_TX_INTFL_OFFCHAN_TX_OK = BIT(13), IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14), IEEE80211_TX_INTFL_RETRIED = BIT(15), IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16), IEEE80211_TX_CTL_NO_PS_BUFFER = BIT(17), IEEE80211_TX_CTL_MORE_FRAMES = BIT(18), IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19), - /* hole at 20, use later */ + IEEE80211_TX_INTFL_MLME_CONN_TX = BIT(20), IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21), IEEE80211_TX_CTL_LDPC = BIT(22), IEEE80211_TX_CTL_STBC = BIT(23) | BIT(24), @@ -950,6 +976,7 @@ enum ieee80211_smps_mode { * * @channel: the channel to tune to * @channel_type: the channel (HT) type + * @radar_enabled: whether radar detection is enabled * * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame * (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11, @@ -976,6 +1003,7 @@ struct ieee80211_conf { struct ieee80211_channel *channel; enum nl80211_channel_type channel_type; + bool radar_enabled; enum ieee80211_smps_mode smps_mode; }; @@ -1173,6 +1201,24 @@ enum ieee80211_sta_state { }; /** + * enum ieee80211_sta_rx_bandwidth - station RX bandwidth + * @IEEE80211_STA_RX_BW_20: station can only receive 20 MHz + * @IEEE80211_STA_RX_BW_40: station can receive up to 40 MHz + * @IEEE80211_STA_RX_BW_80: station can receive up to 80 MHz + * @IEEE80211_STA_RX_BW_160: station can receive up to 160 MHz + * (including 80+80 MHz) + * + * Implementation note: 20 must be zero to be initialized + * correctly, the values must be sorted. + */ +enum ieee80211_sta_rx_bandwidth { + IEEE80211_STA_RX_BW_20 = 0, + IEEE80211_STA_RX_BW_40, + IEEE80211_STA_RX_BW_80, + IEEE80211_STA_RX_BW_160, +}; + +/** * struct ieee80211_sta - station table entry * * A station table entry represents a station we are possibly @@ -1194,6 +1240,12 @@ enum ieee80211_sta_state { * @uapsd_queues: bitmap of queues configured for uapsd. Only valid * if wme is supported. * @max_sp: max Service Period. Only valid if wme is supported. + * @bandwidth: current bandwidth the station can receive with + * @rx_nss: in HT/VHT, the maximum number of spatial streams the + * station can receive at the moment, changed by operating mode + * notifications and capabilities. The value is only valid after + * the station moves to associated state. + * @smps_mode: current SMPS mode (off, static or dynamic) */ struct ieee80211_sta { u32 supp_rates[IEEE80211_NUM_BANDS]; @@ -1204,6 +1256,9 @@ struct ieee80211_sta { bool wme; u8 uapsd_queues; u8 max_sp; + u8 rx_nss; + enum ieee80211_sta_rx_bandwidth bandwidth; + enum ieee80211_smps_mode smps_mode; /* must be last */ u8 drv_priv[0] __aligned(sizeof(void *)); @@ -1328,9 +1383,9 @@ struct ieee80211_tx_control { * When this flag is set, signaling beacon-loss will cause an immediate * change to disassociated state. * - * @IEEE80211_HW_NEED_DTIM_PERIOD: - * This device needs to know the DTIM period for the BSS before - * associating. + * @IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC: + * This device needs to get data from beacon before association (i.e. + * dtim_period). * * @IEEE80211_HW_SUPPORTS_PER_STA_GTK: The device's crypto engine supports * per-station GTKs as used by IBSS RSN or during fast transition. If @@ -1350,10 +1405,6 @@ struct ieee80211_tx_control { * setup strictly in HW. mac80211 should not attempt to do this in * software. * - * @IEEE80211_HW_SCAN_WHILE_IDLE: The device can do hw scan while - * being idle (i.e. mac80211 doesn't have to go idle-off during the - * the scan). - * * @IEEE80211_HW_WANT_MONITOR_VIF: The driver would like to be informed of * a virtual monitor interface when monitor interfaces are the only * active interfaces. @@ -1367,9 +1418,8 @@ struct ieee80211_tx_control { * P2P Interface. This will be honoured even if more than one interface * is supported. * - * @IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL: On this hardware TX BA session - * should be tear down once BAR frame will not be acked. - * + * @IEEE80211_HW_TIMING_BEACON_ONLY: Use sync timing from beacon frames + * only, to allow getting TBTT of a DTIM beacon. */ enum ieee80211_hw_flags { IEEE80211_HW_HAS_RATE_CONTROL = 1<<0, @@ -1379,7 +1429,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4, IEEE80211_HW_SIGNAL_UNSPEC = 1<<5, IEEE80211_HW_SIGNAL_DBM = 1<<6, - IEEE80211_HW_NEED_DTIM_PERIOD = 1<<7, + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC = 1<<7, IEEE80211_HW_SPECTRUM_MGMT = 1<<8, IEEE80211_HW_AMPDU_AGGREGATION = 1<<9, IEEE80211_HW_SUPPORTS_PS = 1<<10, @@ -1396,9 +1446,8 @@ enum ieee80211_hw_flags { IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, IEEE80211_HW_AP_LINK_PS = 1<<22, IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23, - IEEE80211_HW_SCAN_WHILE_IDLE = 1<<24, IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25, - IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL = 1<<26, + IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26, }; /** @@ -1683,15 +1732,6 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * dynamic PS feature in stack and will just keep %IEEE80211_CONF_PS * enabled whenever user has enabled powersave. * - * Some hardware need to toggle a single shared antenna between WLAN and - * Bluetooth to facilitate co-existence. These types of hardware set - * limitations on the use of host controlled dynamic powersave whenever there - * is simultaneous WLAN and Bluetooth traffic. For these types of hardware, the - * driver may request temporarily going into full power save, in order to - * enable toggling the antenna between BT and WLAN. If the driver requests - * disabling dynamic powersave, the @dynamic_ps_timeout value will be - * temporarily set to zero until the driver re-enables dynamic powersave. - * * Driver informs U-APSD client support by enabling * %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the * uapsd paramater in conf_tx() operation. Hardware needs to send the QoS @@ -2077,16 +2117,21 @@ enum ieee80211_frame_release_type { * enum ieee80211_rate_control_changed - flags to indicate what changed * * @IEEE80211_RC_BW_CHANGED: The bandwidth that can be used to transmit - * to this station changed. + * to this station changed. The actual bandwidth is in the station + * information -- for HT20/40 the IEEE80211_HT_CAP_SUP_WIDTH_20_40 + * flag changes, for HT and VHT the bandwidth field changes. * @IEEE80211_RC_SMPS_CHANGED: The SMPS state of the station changed. * @IEEE80211_RC_SUPP_RATES_CHANGED: The supported rate set of this peer * changed (in IBSS mode) due to discovering more information about * the peer. + * @IEEE80211_RC_NSS_CHANGED: N_SS (number of spatial streams) was changed + * by the peer */ enum ieee80211_rate_control_changed { IEEE80211_RC_BW_CHANGED = BIT(0), IEEE80211_RC_SMPS_CHANGED = BIT(1), IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), + IEEE80211_RC_NSS_CHANGED = BIT(3), }; /** @@ -2167,6 +2212,18 @@ enum ieee80211_rate_control_changed { * MAC address of the device going away. * Hence, this callback must be implemented. It can sleep. * + * @add_interface_debugfs: Drivers can use this callback to add debugfs files + * when a vif is added to mac80211. This callback and + * @remove_interface_debugfs should be within a CONFIG_MAC80211_DEBUGFS + * conditional. @remove_interface_debugfs must be provided for cleanup. + * This callback can sleep. + * + * @remove_interface_debugfs: Remove the debugfs files which were added using + * @add_interface_debugfs. This callback must remove all debugfs entries + * that were added because mac80211 only removes interface debugfs when the + * interface is destroyed, not when it is removed from the driver. + * This callback can sleep. + * * @config: Handler for configuration requests. IEEE 802.11 code calls this * function to change hardware configuration, e.g., channel. * This function should never fail but returns a negative error code @@ -2580,6 +2637,12 @@ struct ieee80211_ops { struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir); + void (*add_interface_debugfs)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct dentry *dir); + void (*remove_interface_debugfs)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct dentry *dir); #endif void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd, struct ieee80211_sta *sta); @@ -3877,6 +3940,8 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif); * When beacon filtering is enabled with %IEEE80211_VIF_BEACON_FILTER, and * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver * needs to inform if the connection to the AP has been lost. + * The function may also be called if the connection needs to be terminated + * for some other reason, even if %IEEE80211_HW_CONNECTION_MONITOR isn't set. * * This function will cause immediate change to disassociated state, * without connection recovery attempts. @@ -3907,36 +3972,6 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif); void ieee80211_resume_disconnect(struct ieee80211_vif *vif); /** - * ieee80211_disable_dyn_ps - force mac80211 to temporarily disable dynamic psm - * - * @vif: &struct ieee80211_vif pointer from the add_interface callback. - * - * Some hardware require full power save to manage simultaneous BT traffic - * on the WLAN frequency. Full PSM is required periodically, whenever there are - * burst of BT traffic. The hardware gets information of BT traffic via - * hardware co-existence lines, and consequentially requests mac80211 to - * (temporarily) enter full psm. - * This function will only temporarily disable dynamic PS, not enable PSM if - * it was not already enabled. - * The driver must make sure to re-enable dynamic PS using - * ieee80211_enable_dyn_ps() if the driver has disabled it. - * - */ -void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif); - -/** - * ieee80211_enable_dyn_ps - restore dynamic psm after being disabled - * - * @vif: &struct ieee80211_vif pointer from the add_interface callback. - * - * This function restores dynamic PS after being temporarily disabled via - * ieee80211_disable_dyn_ps(). Each ieee80211_disable_dyn_ps() call must - * be coupled with an eventual call to this function. - * - */ -void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif); - -/** * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring * rssi threshold triggered * @@ -3953,6 +3988,13 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif, gfp_t gfp); /** + * ieee80211_radar_detected - inform that a radar was detected + * + * @hw: pointer as obtained from ieee80211_alloc_hw() + */ +void ieee80211_radar_detected(struct ieee80211_hw *hw); + +/** * ieee80211_chswitch_done - Complete channel switch process * @vif: &struct ieee80211_vif pointer from the add_interface callback. * @success: make the channel switch successful or not @@ -4211,4 +4253,16 @@ void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif); */ int ieee80211_ave_rssi(struct ieee80211_vif *vif); +/** + * ieee80211_report_wowlan_wakeup - report WoWLAN wakeup + * @vif: virtual interface + * @wakeup: wakeup reason(s) + * @gfp: allocation flags + * + * See cfg80211_report_wowlan_wakeup(). + */ +void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp); + #endif /* MAC80211_H */ diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 5b7dbc1ea966..c46bb016f4e4 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -513,6 +513,12 @@ * command with the %NL80211_ATTR_WOWLAN_TRIGGERS attribute. For * more background information, see * http://wireless.kernel.org/en/users/Documentation/WoWLAN. + * The @NL80211_CMD_SET_WOWLAN command can also be used as a notification + * from the driver reporting the wakeup reason. In this case, the + * @NL80211_ATTR_WOWLAN_TRIGGERS attribute will contain the reason + * for the wakeup, if it was caused by wireless. If it is not present + * in the wakeup notification, the wireless device didn't cause the + * wakeup but reports that it was woken up. * * @NL80211_CMD_SET_REKEY_OFFLOAD: This command is used give the driver * the necessary information for supporting GTK rekey offload. This @@ -597,6 +603,14 @@ * command is used in AP/P2P GO mode. Driver has to make sure to clear its * ACL list during %NL80211_CMD_STOP_AP. * + * @NL80211_CMD_RADAR_DETECT: Start a Channel availability check (CAC). Once + * a radar is detected or the channel availability scan (CAC) has finished + * or was aborted, or a radar was detected, usermode will be notified with + * this event. This command is also used to notify userspace about radars + * while operating on this channel. + * %NL80211_ATTR_RADAR_EVENT is used to inform about the type of the + * event. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -749,6 +763,8 @@ enum nl80211_commands { NL80211_CMD_SET_MAC_ACL, + NL80211_CMD_RADAR_DETECT, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ @@ -1336,6 +1352,22 @@ enum nl80211_commands { * number of MAC addresses that a device can support for MAC * ACL. * + * @NL80211_ATTR_RADAR_EVENT: Type of radar event for notification to userspace, + * contains a value of enum nl80211_radar_event (u32). + * + * @NL80211_ATTR_EXT_CAPA: 802.11 extended capabilities that the kernel driver + * has and handles. The format is the same as the IE contents. See + * 802.11-2012 8.4.2.29 for more information. + * @NL80211_ATTR_EXT_CAPA_MASK: Extended capabilities that the kernel driver + * has set in the %NL80211_ATTR_EXT_CAPA value, for multibit fields. + * + * @NL80211_ATTR_STA_CAPABILITY: Station capabilities (u16) are advertised to + * the driver, e.g., to enable TDLS power save (PU-APSD). + * + * @NL80211_ATTR_STA_EXT_CAPABILITY: Station extended capabilities are + * advertised to the driver, e.g., to enable TDLS off channel operations + * and PU-APSD. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -1614,6 +1646,14 @@ enum nl80211_attrs { NL80211_ATTR_MAC_ACL_MAX, + NL80211_ATTR_RADAR_EVENT, + + NL80211_ATTR_EXT_CAPA, + NL80211_ATTR_EXT_CAPA_MASK, + + NL80211_ATTR_STA_CAPABILITY, + NL80211_ATTR_STA_EXT_CAPABILITY, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -1851,6 +1891,8 @@ enum nl80211_sta_bss_param { * @NL80211_STA_INFO_INACTIVE_TIME: time since last activity (u32, msecs) * @NL80211_STA_INFO_RX_BYTES: total received bytes (u32, from this station) * @NL80211_STA_INFO_TX_BYTES: total transmitted bytes (u32, to this station) + * @NL80211_STA_INFO_RX_BYTES64: total received bytes (u64, from this station) + * @NL80211_STA_INFO_TX_BYTES64: total transmitted bytes (u64, to this station) * @NL80211_STA_INFO_SIGNAL: signal strength of last received PPDU (u8, dBm) * @NL80211_STA_INFO_TX_BITRATE: current unicast tx rate, nested attribute * containing info as possible, see &enum nl80211_rate_info @@ -1903,6 +1945,8 @@ enum nl80211_sta_info { NL80211_STA_INFO_LOCAL_PM, NL80211_STA_INFO_PEER_PM, NL80211_STA_INFO_NONPEER_PM, + NL80211_STA_INFO_RX_BYTES64, + NL80211_STA_INFO_TX_BYTES64, /* keep last */ __NL80211_STA_INFO_AFTER_LAST, @@ -2012,6 +2056,20 @@ enum nl80211_band_attr { * on this channel in current regulatory domain. * @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in mBm * (100 * dBm). + * @NL80211_FREQUENCY_ATTR_DFS_STATE: current state for DFS + * (enum nl80211_dfs_state) + * @NL80211_FREQUENCY_ATTR_DFS_TIME: time in miliseconds for how long + * this channel is in this DFS state. + * @NL80211_FREQUENCY_ATTR_NO_HT40_MINUS: HT40- isn't possible with this + * channel as the control channel + * @NL80211_FREQUENCY_ATTR_NO_HT40_PLUS: HT40+ isn't possible with this + * channel as the control channel + * @NL80211_FREQUENCY_ATTR_NO_80MHZ: any 80 MHz channel using this channel + * as the primary or any of the secondary channels isn't possible, + * this includes 80+80 channels + * @NL80211_FREQUENCY_ATTR_NO_160MHZ: any 160 MHz (but not 80+80) channel + * using this channel as the primary or any of the secondary channels + * isn't possible * @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number * currently defined * @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use @@ -2024,6 +2082,12 @@ enum nl80211_frequency_attr { NL80211_FREQUENCY_ATTR_NO_IBSS, NL80211_FREQUENCY_ATTR_RADAR, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, + NL80211_FREQUENCY_ATTR_DFS_STATE, + NL80211_FREQUENCY_ATTR_DFS_TIME, + NL80211_FREQUENCY_ATTR_NO_HT40_MINUS, + NL80211_FREQUENCY_ATTR_NO_HT40_PLUS, + NL80211_FREQUENCY_ATTR_NO_80MHZ, + NL80211_FREQUENCY_ATTR_NO_160MHZ, /* keep last */ __NL80211_FREQUENCY_ATTR_AFTER_LAST, @@ -2896,10 +2960,12 @@ enum nl80211_tx_power_setting { * corresponds to the lowest-order bit in the second byte of the mask. * For example: The match 00:xx:00:00:xx:00:00:00:00:xx:xx:xx (where * xx indicates "don't care") would be represented by a pattern of - * twelve zero bytes, and a mask of "0xed,0x07". + * twelve zero bytes, and a mask of "0xed,0x01". * Note that the pattern matching is done as though frames were not * 802.11 frames but 802.3 frames, i.e. the frame is fully unpacked * first (including SNAP header unpacking) and then matched. + * @NL80211_WOWLAN_PKTPAT_OFFSET: packet offset, pattern is matched after + * these fixed number of bytes of received packet * @NUM_NL80211_WOWLAN_PKTPAT: number of attributes * @MAX_NL80211_WOWLAN_PKTPAT: max attribute number */ @@ -2907,6 +2973,7 @@ enum nl80211_wowlan_packet_pattern_attr { __NL80211_WOWLAN_PKTPAT_INVALID, NL80211_WOWLAN_PKTPAT_MASK, NL80211_WOWLAN_PKTPAT_PATTERN, + NL80211_WOWLAN_PKTPAT_OFFSET, NUM_NL80211_WOWLAN_PKTPAT, MAX_NL80211_WOWLAN_PKTPAT = NUM_NL80211_WOWLAN_PKTPAT - 1, @@ -2917,6 +2984,7 @@ enum nl80211_wowlan_packet_pattern_attr { * @max_patterns: maximum number of patterns supported * @min_pattern_len: minimum length of each pattern * @max_pattern_len: maximum length of each pattern + * @max_pkt_offset: maximum Rx packet offset * * This struct is carried in %NL80211_WOWLAN_TRIG_PKT_PATTERN when * that is part of %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED in the @@ -2926,6 +2994,7 @@ struct nl80211_wowlan_pattern_support { __u32 max_patterns; __u32 min_pattern_len; __u32 max_pattern_len; + __u32 max_pkt_offset; } __attribute__((packed)); /** @@ -2941,12 +3010,17 @@ struct nl80211_wowlan_pattern_support { * @NL80211_WOWLAN_TRIG_PKT_PATTERN: wake up on the specified packet patterns * which are passed in an array of nested attributes, each nested attribute * defining a with attributes from &struct nl80211_wowlan_trig_pkt_pattern. - * Each pattern defines a wakeup packet. The matching is done on the MSDU, - * i.e. as though the packet was an 802.3 packet, so the pattern matching - * is done after the packet is converted to the MSDU. + * Each pattern defines a wakeup packet. Packet offset is associated with + * each pattern which is used while matching the pattern. The matching is + * done on the MSDU, i.e. as though the packet was an 802.3 packet, so the + * pattern matching is done after the packet is converted to the MSDU. * * In %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED, it is a binary attribute * carrying a &struct nl80211_wowlan_pattern_support. + * + * When reporting wakeup. it is a u32 attribute containing the 0-based + * index of the pattern that caused the wakeup, in the patterns passed + * to the kernel when configuring. * @NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED: Not a real trigger, and cannot be * used when setting, used only to indicate that GTK rekeying is supported * by the device (flag) @@ -2957,8 +3031,36 @@ struct nl80211_wowlan_pattern_support { * @NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE: wake up on 4-way handshake (flag) * @NL80211_WOWLAN_TRIG_RFKILL_RELEASE: wake up when rfkill is released * (on devices that have rfkill in the device) (flag) + * @NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211: For wakeup reporting only, contains + * the 802.11 packet that caused the wakeup, e.g. a deauth frame. The frame + * may be truncated, the @NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN + * attribute contains the original length. + * @NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN: Original length of the 802.11 + * packet, may be bigger than the @NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211 + * attribute if the packet was truncated somewhere. + * @NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023: For wakeup reporting only, contains the + * 802.11 packet that caused the wakeup, e.g. a magic packet. The frame may + * be truncated, the @NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN attribute + * contains the original length. + * @NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN: Original length of the 802.3 + * packet, may be bigger than the @NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023 + * attribute if the packet was truncated somewhere. + * @NL80211_WOWLAN_TRIG_TCP_CONNECTION: TCP connection wake, see DOC section + * "TCP connection wakeup" for more details. This is a nested attribute + * containing the exact information for establishing and keeping alive + * the TCP connection. + * @NL80211_WOWLAN_TRIG_TCP_WAKEUP_MATCH: For wakeup reporting only, the + * wakeup packet was received on the TCP connection + * @NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST: For wakeup reporting only, the + * TCP connection was lost or failed to be established + * @NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS: For wakeup reporting only, + * the TCP connection ran out of tokens to use for data to send to the + * service * @NUM_NL80211_WOWLAN_TRIG: number of wake on wireless triggers * @MAX_NL80211_WOWLAN_TRIG: highest wowlan trigger attribute number + * + * These nested attributes are used to configure the wakeup triggers and + * to report the wakeup reason(s). */ enum nl80211_wowlan_triggers { __NL80211_WOWLAN_TRIG_INVALID, @@ -2971,6 +3073,14 @@ enum nl80211_wowlan_triggers { NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE, NL80211_WOWLAN_TRIG_RFKILL_RELEASE, + NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211, + NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN, + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023, + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN, + NL80211_WOWLAN_TRIG_TCP_CONNECTION, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS, /* keep last */ NUM_NL80211_WOWLAN_TRIG, @@ -2978,6 +3088,116 @@ enum nl80211_wowlan_triggers { }; /** + * DOC: TCP connection wakeup + * + * Some devices can establish a TCP connection in order to be woken up by a + * packet coming in from outside their network segment, or behind NAT. If + * configured, the device will establish a TCP connection to the given + * service, and periodically send data to that service. The first data + * packet is usually transmitted after SYN/ACK, also ACKing the SYN/ACK. + * The data packets can optionally include a (little endian) sequence + * number (in the TCP payload!) that is generated by the device, and, also + * optionally, a token from a list of tokens. This serves as a keep-alive + * with the service, and for NATed connections, etc. + * + * During this keep-alive period, the server doesn't send any data to the + * client. When receiving data, it is compared against the wakeup pattern + * (and mask) and if it matches, the host is woken up. Similarly, if the + * connection breaks or cannot be established to start with, the host is + * also woken up. + * + * Developer's note: ARP offload is required for this, otherwise TCP + * response packets might not go through correctly. + */ + +/** + * struct nl80211_wowlan_tcp_data_seq - WoWLAN TCP data sequence + * @start: starting value + * @offset: offset of sequence number in packet + * @len: length of the sequence value to write, 1 through 4 + * + * Note: don't confuse with the TCP sequence number(s), this is for the + * keepalive packet payload. The actual value is written into the packet + * in little endian. + */ +struct nl80211_wowlan_tcp_data_seq { + __u32 start, offset, len; +}; + +/** + * struct nl80211_wowlan_tcp_data_token - WoWLAN TCP data token config + * @offset: offset of token in packet + * @len: length of each token + * @token_stream: stream of data to be used for the tokens, the length must + * be a multiple of @len for this to make sense + */ +struct nl80211_wowlan_tcp_data_token { + __u32 offset, len; + __u8 token_stream[]; +}; + +/** + * struct nl80211_wowlan_tcp_data_token_feature - data token features + * @min_len: minimum token length + * @max_len: maximum token length + * @bufsize: total available token buffer size (max size of @token_stream) + */ +struct nl80211_wowlan_tcp_data_token_feature { + __u32 min_len, max_len, bufsize; +}; + +/** + * enum nl80211_wowlan_tcp_attrs - WoWLAN TCP connection parameters + * @__NL80211_WOWLAN_TCP_INVALID: invalid number for nested attributes + * @NL80211_WOWLAN_TCP_SRC_IPV4: source IPv4 address (in network byte order) + * @NL80211_WOWLAN_TCP_DST_IPV4: destination IPv4 address + * (in network byte order) + * @NL80211_WOWLAN_TCP_DST_MAC: destination MAC address, this is given because + * route lookup when configured might be invalid by the time we suspend, + * and doing a route lookup when suspending is no longer possible as it + * might require ARP querying. + * @NL80211_WOWLAN_TCP_SRC_PORT: source port (u16); optional, if not given a + * socket and port will be allocated + * @NL80211_WOWLAN_TCP_DST_PORT: destination port (u16) + * @NL80211_WOWLAN_TCP_DATA_PAYLOAD: data packet payload, at least one byte. + * For feature advertising, a u32 attribute holding the maximum length + * of the data payload. + * @NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ: data packet sequence configuration + * (if desired), a &struct nl80211_wowlan_tcp_data_seq. For feature + * advertising it is just a flag + * @NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN: data packet token configuration, + * see &struct nl80211_wowlan_tcp_data_token and for advertising see + * &struct nl80211_wowlan_tcp_data_token_feature. + * @NL80211_WOWLAN_TCP_DATA_INTERVAL: data interval in seconds, maximum + * interval in feature advertising (u32) + * @NL80211_WOWLAN_TCP_WAKE_PAYLOAD: wake packet payload, for advertising a + * u32 attribute holding the maximum length + * @NL80211_WOWLAN_TCP_WAKE_MASK: Wake packet payload mask, not used for + * feature advertising. The mask works like @NL80211_WOWLAN_PKTPAT_MASK + * but on the TCP payload only. + * @NUM_NL80211_WOWLAN_TCP: number of TCP attributes + * @MAX_NL80211_WOWLAN_TCP: highest attribute number + */ +enum nl80211_wowlan_tcp_attrs { + __NL80211_WOWLAN_TCP_INVALID, + NL80211_WOWLAN_TCP_SRC_IPV4, + NL80211_WOWLAN_TCP_DST_IPV4, + NL80211_WOWLAN_TCP_DST_MAC, + NL80211_WOWLAN_TCP_SRC_PORT, + NL80211_WOWLAN_TCP_DST_PORT, + NL80211_WOWLAN_TCP_DATA_PAYLOAD, + NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, + NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, + NL80211_WOWLAN_TCP_DATA_INTERVAL, + NL80211_WOWLAN_TCP_WAKE_PAYLOAD, + NL80211_WOWLAN_TCP_WAKE_MASK, + + /* keep last */ + NUM_NL80211_WOWLAN_TCP, + MAX_NL80211_WOWLAN_TCP = NUM_NL80211_WOWLAN_TCP - 1 +}; + +/** * enum nl80211_iface_limit_attrs - limit attributes * @NL80211_IFACE_LIMIT_UNSPEC: (reserved) * @NL80211_IFACE_LIMIT_MAX: maximum number of interfaces that @@ -3234,6 +3454,8 @@ enum nl80211_ap_sme_features { * Note that even for drivers that support this, the default is to add * stations in authenticated/associated state, so to add unauthenticated * stations the authenticated/associated bits have to be set in the mask. + * @NL80211_FEATURE_ADVERTISE_CHAN_LIMITS: cfg80211 advertises channel limits + * (HT40, VHT 80/160 MHz) if this flag is set */ enum nl80211_feature_flags { NL80211_FEATURE_SK_TX_STATUS = 1 << 0, @@ -3249,7 +3471,9 @@ enum nl80211_feature_flags { NL80211_FEATURE_NEED_OBSS_SCAN = 1 << 10, NL80211_FEATURE_P2P_GO_CTWIN = 1 << 11, NL80211_FEATURE_P2P_GO_OPPPS = 1 << 12, - NL80211_FEATURE_FULL_AP_CLIENT_STATE = 1 << 13, + /* bit 13 is reserved */ + NL80211_FEATURE_ADVERTISE_CHAN_LIMITS = 1 << 14, + NL80211_FEATURE_FULL_AP_CLIENT_STATE = 1 << 15, }; /** @@ -3323,4 +3547,44 @@ enum nl80211_acl_policy { NL80211_ACL_POLICY_DENY_UNLESS_LISTED, }; +/** + * enum nl80211_radar_event - type of radar event for DFS operation + * + * Type of event to be used with NL80211_ATTR_RADAR_EVENT to inform userspace + * about detected radars or success of the channel available check (CAC) + * + * @NL80211_RADAR_DETECTED: A radar pattern has been detected. The channel is + * now unusable. + * @NL80211_RADAR_CAC_FINISHED: Channel Availability Check has been finished, + * the channel is now available. + * @NL80211_RADAR_CAC_ABORTED: Channel Availability Check has been aborted, no + * change to the channel status. + * @NL80211_RADAR_NOP_FINISHED: The Non-Occupancy Period for this channel is + * over, channel becomes usable. + */ +enum nl80211_radar_event { + NL80211_RADAR_DETECTED, + NL80211_RADAR_CAC_FINISHED, + NL80211_RADAR_CAC_ABORTED, + NL80211_RADAR_NOP_FINISHED, +}; + +/** + * enum nl80211_dfs_state - DFS states for channels + * + * Channel states used by the DFS code. + * + * @IEEE80211_DFS_USABLE: The channel can be used, but channel availability + * check (CAC) must be performed before using it for AP or IBSS. + * @IEEE80211_DFS_UNAVAILABLE: A radar has been detected on this channel, it + * is therefore marked as not available. + * @IEEE80211_DFS_AVAILABLE: The channel has been CAC checked and is available. + */ + +enum nl80211_dfs_state { + NL80211_DFS_USABLE, + NL80211_DFS_UNAVAILABLE, + NL80211_DFS_AVAILABLE, +}; + #endif /* __LINUX_NL80211_H */ diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index b4ecf267a34b..0ecf947ad378 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -258,6 +258,17 @@ config MAC80211_MESH_SYNC_DEBUG Do not select this option. +config MAC80211_MESH_PS_DEBUG + bool "Verbose mesh powersave debugging" + depends on MAC80211_DEBUG_MENU + depends on MAC80211_MESH + ---help--- + Selecting this option causes mac80211 to print out very verbose mesh + powersave debugging messages (when mac80211 is taking part in a + mesh network). + + Do not select this option. + config MAC80211_TDLS_DEBUG bool "Verbose TDLS debugging" depends on MAC80211_DEBUG_MENU diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 4911202334d9..9d7d840aac6d 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -39,7 +39,8 @@ mac80211-$(CONFIG_MAC80211_MESH) += \ mesh_pathtbl.o \ mesh_plink.o \ mesh_hwmp.o \ - mesh_sync.o + mesh_sync.o \ + mesh_ps.o mac80211-$(CONFIG_PM) += pm.o diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 15d886c639e9..179dcbd8be1c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -492,7 +492,10 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) #ifdef CONFIG_MAC80211_MESH sinfo->filled |= STATION_INFO_LLID | STATION_INFO_PLID | - STATION_INFO_PLINK_STATE; + STATION_INFO_PLINK_STATE | + STATION_INFO_LOCAL_PM | + STATION_INFO_PEER_PM | + STATION_INFO_NONPEER_PM; sinfo->llid = le16_to_cpu(sta->llid); sinfo->plid = le16_to_cpu(sta->plid); @@ -501,6 +504,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) sinfo->filled |= STATION_INFO_T_OFFSET; sinfo->t_offset = sta->t_offset; } + sinfo->local_pm = sta->local_pm; + sinfo->peer_pm = sta->peer_pm; + sinfo->nonpeer_pm = sta->nonpeer_pm; #endif } @@ -922,11 +928,13 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, /* TODO: make hostapd tell us what it wants */ sdata->smps_mode = IEEE80211_SMPS_OFF; sdata->needed_rx_chains = sdata->local->rx_chains; + sdata->radar_required = params->radar_required; err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, IEEE80211_CHANCTX_SHARED); if (err) return err; + ieee80211_vif_copy_chanctx_to_vlans(sdata, false); /* * Apply control port protocol, this allows us to @@ -1041,6 +1049,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); skb_queue_purge(&sdata->u.ap.ps.bc_buf); + ieee80211_vif_copy_chanctx_to_vlans(sdata, true); ieee80211_vif_release_channel(sdata); return 0; @@ -1243,25 +1252,26 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (params->ht_capa) ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - params->ht_capa, - &sta->sta.ht_cap); + params->ht_capa, sta); if (params->vht_capa) ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, - params->vht_capa, - &sta->sta.vht_cap); + params->vht_capa, sta); if (ieee80211_vif_is_mesh(&sdata->vif)) { #ifdef CONFIG_MAC80211_MESH + u32 changed = 0; if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) { - u32 changed = 0; - switch (params->plink_state) { case NL80211_PLINK_ESTAB: if (sta->plink_state != NL80211_PLINK_ESTAB) changed = mesh_plink_inc_estab_count( sdata); sta->plink_state = params->plink_state; + + ieee80211_mps_sta_status_update(sta); + changed |= ieee80211_mps_set_sta_local_pm(sta, + sdata->u.mesh.mshcfg.power_mode); break; case NL80211_PLINK_LISTEN: case NL80211_PLINK_BLOCKED: @@ -1273,22 +1283,31 @@ static int sta_apply_parameters(struct ieee80211_local *local, changed = mesh_plink_dec_estab_count( sdata); sta->plink_state = params->plink_state; + + ieee80211_mps_sta_status_update(sta); + changed |= + ieee80211_mps_local_status_update(sdata); break; default: /* nothing */ break; } - ieee80211_bss_info_change_notify(sdata, changed); } else { switch (params->plink_action) { case PLINK_ACTION_OPEN: - mesh_plink_open(sta); + changed |= mesh_plink_open(sta); break; case PLINK_ACTION_BLOCK: - mesh_plink_block(sta); + changed |= mesh_plink_block(sta); break; } } + + if (params->local_pm) + changed |= + ieee80211_mps_set_sta_local_pm(sta, + params->local_pm); + ieee80211_bss_info_change_notify(sdata, changed); #endif } @@ -1393,9 +1412,11 @@ static int ieee80211_change_station(struct wiphy *wiphy, return -ENOENT; } - /* in station mode, supported rates are only valid with TDLS */ + /* in station mode, some updates are only valid with TDLS */ if (sdata->vif.type == NL80211_IFTYPE_STATION && - params->supported_rates && + (params->supported_rates || params->ht_capa || params->vht_capa || + params->sta_modify_mask || + (params->sta_flags_mask & BIT(NL80211_STA_FLAG_WME))) && !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { mutex_unlock(&local->sta_mtx); return -EINVAL; @@ -1777,6 +1798,14 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) conf->dot11MeshHWMPconfirmationInterval = nconf->dot11MeshHWMPconfirmationInterval; + if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { + conf->power_mode = nconf->power_mode; + ieee80211_mps_local_status_update(sdata); + } + if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) + conf->dot11MeshAwakeWindowDuration = + nconf->dot11MeshAwakeWindowDuration; + ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); return 0; } @@ -1802,9 +1831,7 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, if (err) return err; - ieee80211_start_mesh(sdata); - - return 0; + return ieee80211_start_mesh(sdata); } static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) @@ -2369,7 +2396,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, INIT_LIST_HEAD(&roc->dependents); /* if there's one pending or we're scanning, queue this one */ - if (!list_empty(&local->roc_list) || local->scanning) + if (!list_empty(&local->roc_list) || + local->scanning || local->radar_detect_enabled) goto out_check_combine; /* if not HW assist, just queue & schedule work */ @@ -2619,6 +2647,37 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, return ieee80211_cancel_roc(local, cookie, false); } +static int ieee80211_start_radar_detection(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_chan_def *chandef) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + unsigned long timeout; + int err; + + if (!list_empty(&local->roc_list) || local->scanning) + return -EBUSY; + + /* whatever, but channel contexts should not complain about that one */ + sdata->smps_mode = IEEE80211_SMPS_OFF; + sdata->needed_rx_chains = local->rx_chains; + sdata->radar_required = true; + + mutex_lock(&local->iflist_mtx); + err = ieee80211_vif_use_channel(sdata, chandef, + IEEE80211_CHANCTX_SHARED); + mutex_unlock(&local->iflist_mtx); + if (err) + return err; + + timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); + ieee80211_queue_delayed_work(&sdata->local->hw, + &sdata->dfs_cac_timer_work, timeout); + + return 0; +} + static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, unsigned int wait, const u8 *buf, size_t len, @@ -2723,7 +2782,8 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, goto out_unlock; } - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | + IEEE80211_TX_INTFL_OFFCHAN_TX_OK; if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) IEEE80211_SKB_CB(skb)->hw_queue = local->hw.offchannel_tx_hw_queue; @@ -3323,4 +3383,5 @@ struct cfg80211_ops mac80211_config_ops = { .get_et_stats = ieee80211_get_et_stats, .get_et_strings = ieee80211_get_et_strings, .get_channel = ieee80211_cfg_get_channel, + .start_radar_detection = ieee80211_start_radar_detection, }; diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 1bfe0a8b19d2..78c0d90dd641 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -9,7 +9,7 @@ #include "ieee80211_i.h" #include "driver-ops.h" -static void ieee80211_change_chandef(struct ieee80211_local *local, +static void ieee80211_change_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *ctx, const struct cfg80211_chan_def *chandef) { @@ -49,7 +49,7 @@ ieee80211_find_chanctx(struct ieee80211_local *local, if (!compat) continue; - ieee80211_change_chandef(local, ctx, compat); + ieee80211_change_chanctx(local, ctx, compat); return ctx; } @@ -91,6 +91,10 @@ ieee80211_new_chanctx(struct ieee80211_local *local, list_add_rcu(&ctx->list, &local->chanctx_list); + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); + return ctx; } @@ -110,6 +114,10 @@ static void ieee80211_free_chanctx(struct ieee80211_local *local, list_del_rcu(&ctx->list); kfree_rcu(ctx, rcu_head); + + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); } static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, @@ -128,6 +136,11 @@ static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, ctx->refcount++; ieee80211_recalc_txpower(sdata); + sdata->vif.bss_conf.idle = false; + + if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && + sdata->vif.type != NL80211_IFTYPE_MONITOR) + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE); return 0; } @@ -162,7 +175,7 @@ static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, if (WARN_ON_ONCE(!compat)) return; - ieee80211_change_chandef(local, ctx, compat); + ieee80211_change_chanctx(local, ctx, compat); } static void ieee80211_unassign_vif_chanctx(struct ieee80211_sub_if_data *sdata, @@ -175,11 +188,18 @@ static void ieee80211_unassign_vif_chanctx(struct ieee80211_sub_if_data *sdata, ctx->refcount--; rcu_assign_pointer(sdata->vif.chanctx_conf, NULL); + sdata->vif.bss_conf.idle = true; + + if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && + sdata->vif.type != NL80211_IFTYPE_MONITOR) + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE); + drv_unassign_vif_chanctx(local, sdata, ctx); if (ctx->refcount > 0) { ieee80211_recalc_chanctx_chantype(sdata->local, ctx); ieee80211_recalc_smps_chanctx(local, ctx); + ieee80211_recalc_radar_chanctx(local, ctx); } } @@ -198,20 +218,42 @@ static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata) ctx = container_of(conf, struct ieee80211_chanctx, conf); - if (sdata->vif.type == NL80211_IFTYPE_AP) { - struct ieee80211_sub_if_data *vlan; - - /* for the VLAN list */ - ASSERT_RTNL(); - list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) - rcu_assign_pointer(vlan->vif.chanctx_conf, NULL); - } - ieee80211_unassign_vif_chanctx(sdata, ctx); if (ctx->refcount == 0) ieee80211_free_chanctx(local, ctx); } +void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, + struct ieee80211_chanctx *chanctx) +{ + struct ieee80211_sub_if_data *sdata; + bool radar_enabled = false; + + lockdep_assert_held(&local->chanctx_mtx); + + rcu_read_lock(); + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (sdata->radar_required) { + radar_enabled = true; + break; + } + } + rcu_read_unlock(); + + if (radar_enabled == chanctx->conf.radar_enabled) + return; + + chanctx->conf.radar_enabled = radar_enabled; + local->radar_detect_enabled = chanctx->conf.radar_enabled; + + if (!local->use_chanctx) { + local->hw.conf.radar_enabled = chanctx->conf.radar_enabled; + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + } + + drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RADAR); +} + void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *chanctx) { @@ -326,16 +368,57 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, goto out; } - if (sdata->vif.type == NL80211_IFTYPE_AP) { - struct ieee80211_sub_if_data *vlan; + ieee80211_recalc_smps_chanctx(local, ctx); + ieee80211_recalc_radar_chanctx(local, ctx); + out: + mutex_unlock(&local->chanctx_mtx); + return ret; +} + +int ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, + const struct cfg80211_chan_def *chandef, + u32 *changed) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_chanctx_conf *conf; + struct ieee80211_chanctx *ctx; + int ret; + + if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef, + IEEE80211_CHAN_DISABLED)) + return -EINVAL; + + mutex_lock(&local->chanctx_mtx); + if (cfg80211_chandef_identical(chandef, &sdata->vif.bss_conf.chandef)) { + ret = 0; + goto out; + } + + if (chandef->width == NL80211_CHAN_WIDTH_20_NOHT || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) { + ret = -EINVAL; + goto out; + } - /* for the VLAN list */ - ASSERT_RTNL(); - list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) - rcu_assign_pointer(vlan->vif.chanctx_conf, &ctx->conf); + conf = rcu_dereference_protected(sdata->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + if (!conf) { + ret = -EINVAL; + goto out; } - ieee80211_recalc_smps_chanctx(local, ctx); + ctx = container_of(conf, struct ieee80211_chanctx, conf); + if (!cfg80211_chandef_compatible(&conf->def, chandef)) { + ret = -EINVAL; + goto out; + } + + sdata->vif.bss_conf.chandef = *chandef; + + ieee80211_recalc_chanctx_chantype(local, ctx); + + *changed |= BSS_CHANGED_BANDWIDTH; + ret = 0; out: mutex_unlock(&local->chanctx_mtx); return ret; @@ -369,6 +452,40 @@ void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata) mutex_unlock(&local->chanctx_mtx); } +void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, + bool clear) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_sub_if_data *vlan; + struct ieee80211_chanctx_conf *conf; + + ASSERT_RTNL(); + + if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_AP)) + return; + + mutex_lock(&local->chanctx_mtx); + + /* + * Check that conf exists, even when clearing this function + * must be called with the AP's channel context still there + * as it would otherwise cause VLANs to have an invalid + * channel context pointer for a while, possibly pointing + * to a channel context that has already been freed. + */ + conf = rcu_dereference_protected(sdata->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + WARN_ON(!conf); + + if (clear) + conf = NULL; + + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) + rcu_assign_pointer(vlan->vif.chanctx_conf, conf); + + mutex_unlock(&local->chanctx_mtx); +} + void ieee80211_iter_chan_contexts_atomic( struct ieee80211_hw *hw, void (*iter)(struct ieee80211_hw *hw, diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h index 8f383a576016..4ccc5ed6237d 100644 --- a/net/mac80211/debug.h +++ b/net/mac80211/debug.h @@ -44,6 +44,12 @@ #define MAC80211_MESH_SYNC_DEBUG 0 #endif +#ifdef CONFIG_MAC80211_MESH_PS_DEBUG +#define MAC80211_MESH_PS_DEBUG 1 +#else +#define MAC80211_MESH_PS_DEBUG 0 +#endif + #ifdef CONFIG_MAC80211_TDLS_DEBUG #define MAC80211_TDLS_DEBUG 1 #else @@ -151,6 +157,10 @@ do { \ _sdata_dbg(MAC80211_MESH_SYNC_DEBUG, \ sdata, fmt, ##__VA_ARGS__) +#define mps_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MESH_PS_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + #define tdls_dbg(sdata, fmt, ...) \ _sdata_dbg(MAC80211_TDLS_DEBUG, \ sdata, fmt, ##__VA_ARGS__) diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 466f4b45dd94..b0e32d628114 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -121,8 +121,8 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf, sf += snprintf(buf + sf, mxln - sf, "SIGNAL_UNSPEC\n"); if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) sf += snprintf(buf + sf, mxln - sf, "SIGNAL_DBM\n"); - if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) - sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_PERIOD\n"); + if (local->hw.flags & IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC) + sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_BEFORE_ASSOC\n"); if (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT) sf += snprintf(buf + sf, mxln - sf, "SPECTRUM_MGMT\n"); if (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) @@ -151,8 +151,6 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf, sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n"); if (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW) sf += snprintf(buf + sf, mxln - sf, "TX_AMPDU_SETUP_IN_HW\n"); - if (local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE) - sf += snprintf(buf + sf, mxln - sf, "SCAN_WHILE_IDLE\n"); rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); kfree(buf); diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index cbde5cc49a40..059bbb82e84f 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -515,6 +515,9 @@ IEEE80211_IF_FILE(dot11MeshHWMProotInterval, u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); +IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC); +IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, + u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC); #endif #define DEBUGFS_ADD_MODE(name, mode) \ @@ -620,6 +623,8 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata) MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); MESHPARAMS_ADD(dot11MeshHWMProotInterval); MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); + MESHPARAMS_ADD(power_mode); + MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); #undef MESHPARAMS_ADD } #endif diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 6fb1168b9f16..c7591f73dbc3 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -65,7 +65,7 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf, test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" int res = scnprintf(buf, sizeof(buf), - "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", TEST(AUTH), TEST(ASSOC), TEST(PS_STA), TEST(PS_DRIVER), TEST(AUTHORIZED), TEST(SHORT_PREAMBLE), @@ -74,7 +74,8 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf, TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT), TEST(INSERTED), TEST(RATE_CONTROL), - TEST(TOFFSET_KNOWN)); + TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER), + TEST(MPSP_RECIPIENT)); #undef TEST return simple_read_from_buffer(userbuf, count, ppos, buf, res); } diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 434b3c4f31b5..ee56d0779d8b 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -207,13 +207,16 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local, { might_sleep(); - WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON | - BSS_CHANGED_BEACON_ENABLED) && - sdata->vif.type != NL80211_IFTYPE_AP && - sdata->vif.type != NL80211_IFTYPE_ADHOC && - sdata->vif.type != NL80211_IFTYPE_MESH_POINT); - WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE && - changed & ~BSS_CHANGED_IDLE); + if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON | + BSS_CHANGED_BEACON_ENABLED) && + sdata->vif.type != NL80211_IFTYPE_AP && + sdata->vif.type != NL80211_IFTYPE_ADHOC && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT)) + return; + + if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE || + sdata->vif.type == NL80211_IFTYPE_MONITOR)) + return; check_sdata_in_driver(sdata); @@ -528,6 +531,43 @@ static inline void drv_sta_remove_debugfs(struct ieee80211_local *local, local->ops->sta_remove_debugfs(&local->hw, &sdata->vif, sta, dir); } + +static inline +void drv_add_interface_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + if (!local->ops->add_interface_debugfs) + return; + + local->ops->add_interface_debugfs(&local->hw, &sdata->vif, + sdata->debugfs.dir); +} + +static inline +void drv_remove_interface_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + check_sdata_in_driver(sdata); + + if (!local->ops->remove_interface_debugfs) + return; + + local->ops->remove_interface_debugfs(&local->hw, &sdata->vif, + sdata->debugfs.dir); +} +#else +static inline +void drv_add_interface_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) {} +static inline +void drv_remove_interface_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) {} #endif static inline __must_check diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 61ac7c48ac0c..0db25d4bb223 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -37,6 +37,9 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, u8 *smask = (u8 *)(&sdata->u.mgd.ht_capa_mask.mcs.rx_mask); int i; + if (!ht_cap->ht_supported) + return; + if (sdata->vif.type != NL80211_IFTYPE_STATION) { /* AP interfaces call this code when adding new stations, * so just silently ignore non station interfaces. @@ -89,22 +92,24 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, } -void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, +bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, - struct ieee80211_ht_cap *ht_cap_ie, - struct ieee80211_sta_ht_cap *ht_cap) + const struct ieee80211_ht_cap *ht_cap_ie, + struct sta_info *sta) { + struct ieee80211_sta_ht_cap ht_cap; u8 ampdu_info, tx_mcs_set_cap; int i, max_tx_streams; + bool changed; + enum ieee80211_sta_rx_bandwidth bw; + enum ieee80211_smps_mode smps_mode; - BUG_ON(!ht_cap); - - memset(ht_cap, 0, sizeof(*ht_cap)); + memset(&ht_cap, 0, sizeof(ht_cap)); if (!ht_cap_ie || !sband->ht_cap.ht_supported) - return; + goto apply; - ht_cap->ht_supported = true; + ht_cap.ht_supported = true; /* * The bits listed in this expression should be @@ -112,7 +117,7 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, * advertises more then we can't use those thus * we mask them out. */ - ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info) & + ht_cap.cap = le16_to_cpu(ht_cap_ie->cap_info) & (sband->ht_cap.cap | ~(IEEE80211_HT_CAP_LDPC_CODING | IEEE80211_HT_CAP_SUP_WIDTH_20_40 | @@ -121,44 +126,30 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_DSSSCCK40)); - /* Unset 40 MHz if we're not using a 40 MHz channel */ - switch (sdata->vif.bss_conf.chandef.width) { - case NL80211_CHAN_WIDTH_20_NOHT: - case NL80211_CHAN_WIDTH_20: - ht_cap->cap &= ~IEEE80211_HT_CAP_SGI_40; - ht_cap->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - break; - case NL80211_CHAN_WIDTH_40: - case NL80211_CHAN_WIDTH_80: - case NL80211_CHAN_WIDTH_80P80: - case NL80211_CHAN_WIDTH_160: - break; - } - /* * The STBC bits are asymmetric -- if we don't have * TX then mask out the peer's RX and vice versa. */ if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)) - ht_cap->cap &= ~IEEE80211_HT_CAP_RX_STBC; + ht_cap.cap &= ~IEEE80211_HT_CAP_RX_STBC; if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)) - ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC; + ht_cap.cap &= ~IEEE80211_HT_CAP_TX_STBC; ampdu_info = ht_cap_ie->ampdu_params_info; - ht_cap->ampdu_factor = + ht_cap.ampdu_factor = ampdu_info & IEEE80211_HT_AMPDU_PARM_FACTOR; - ht_cap->ampdu_density = + ht_cap.ampdu_density = (ampdu_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2; /* own MCS TX capabilities */ tx_mcs_set_cap = sband->ht_cap.mcs.tx_params; /* Copy peer MCS TX capabilities, the driver might need them. */ - ht_cap->mcs.tx_params = ht_cap_ie->mcs.tx_params; + ht_cap.mcs.tx_params = ht_cap_ie->mcs.tx_params; /* can we TX with MCS rates? */ if (!(tx_mcs_set_cap & IEEE80211_HT_MCS_TX_DEFINED)) - return; + goto apply; /* Counting from 0, therefore +1 */ if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_RX_DIFF) @@ -176,25 +167,75 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, * - remainder are multiple spatial streams using unequal modulation */ for (i = 0; i < max_tx_streams; i++) - ht_cap->mcs.rx_mask[i] = + ht_cap.mcs.rx_mask[i] = sband->ht_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION) for (i = IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE; i < IEEE80211_HT_MCS_MASK_LEN; i++) - ht_cap->mcs.rx_mask[i] = + ht_cap.mcs.rx_mask[i] = sband->ht_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; /* handle MCS rate 32 too */ if (sband->ht_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1) - ht_cap->mcs.rx_mask[32/8] |= 1; + ht_cap.mcs.rx_mask[32/8] |= 1; + apply: /* * If user has specified capability over-rides, take care * of that here. */ - ieee80211_apply_htcap_overrides(sdata, ht_cap); + ieee80211_apply_htcap_overrides(sdata, &ht_cap); + + changed = memcmp(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); + + memcpy(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); + + switch (sdata->vif.bss_conf.chandef.width) { + default: + WARN_ON_ONCE(1); + /* fall through */ + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + bw = IEEE80211_STA_RX_BW_20; + break; + case NL80211_CHAN_WIDTH_40: + case NL80211_CHAN_WIDTH_80: + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + bw = ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? + IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20; + break; + } + + if (bw != sta->sta.bandwidth) + changed = true; + sta->sta.bandwidth = bw; + + sta->cur_max_bandwidth = + ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? + IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20; + + switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS) + >> IEEE80211_HT_CAP_SM_PS_SHIFT) { + case WLAN_HT_CAP_SM_PS_INVALID: + case WLAN_HT_CAP_SM_PS_STATIC: + smps_mode = IEEE80211_SMPS_STATIC; + break; + case WLAN_HT_CAP_SM_PS_DYNAMIC: + smps_mode = IEEE80211_SMPS_DYNAMIC; + break; + case WLAN_HT_CAP_SM_PS_DISABLED: + smps_mode = IEEE80211_SMPS_OFF; + break; + } + + if (smps_mode != sta->sta.smps_mode) + changed = true; + sta->sta.smps_mode = smps_mode; + + return changed; } void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, @@ -406,6 +447,9 @@ void ieee80211_request_smps(struct ieee80211_vif *vif, if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF)) smps_mode = IEEE80211_SMPS_AUTOMATIC; + if (sdata->u.mgd.driver_smps_mode == smps_mode) + return; + sdata->u.mgd.driver_smps_mode = smps_mode; ieee80211_queue_work(&sdata->local->hw, diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index b4b866f41919..40b71dfcc79d 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -228,7 +228,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan, mgmt, skb->len, 0, GFP_KERNEL); - cfg80211_put_bss(bss); + cfg80211_put_bss(local->hw.wiphy, bss); netif_carrier_on(sdata->dev); cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL); } @@ -242,6 +242,8 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, u32 basic_rates; int i, j; u16 beacon_int = cbss->beacon_interval; + const struct cfg80211_bss_ies *ies; + u64 tsf; lockdep_assert_held(&sdata->u.ibss.mtx); @@ -265,13 +267,17 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, } } + rcu_read_lock(); + ies = rcu_dereference(cbss->ies); + tsf = ies->tsf; + rcu_read_unlock(); + __ieee80211_sta_join_ibss(sdata, cbss->bssid, beacon_int, cbss->channel, basic_rates, cbss->capability, - cbss->tsf, - false); + tsf, false); } static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta, @@ -302,7 +308,7 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta, "TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n", sdata->vif.addr, addr, sdata->u.ibss.bssid); ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, 0, NULL, 0, - addr, sdata->u.ibss.bssid, NULL, 0, 0); + addr, sdata->u.ibss.bssid, NULL, 0, 0, 0); } return sta; } @@ -422,7 +428,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata, * has actually implemented this. */ ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, 0, NULL, 0, - mgmt->sa, sdata->u.ibss.bssid, NULL, 0, 0); + mgmt->sa, sdata->u.ibss.bssid, NULL, 0, 0, 0); } static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, @@ -490,33 +496,26 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, if (sta && elems->ht_operation && elems->ht_cap_elem && sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) { /* we both use HT */ - struct ieee80211_sta_ht_cap sta_ht_cap_new; + struct ieee80211_ht_cap htcap_ie; struct cfg80211_chan_def chandef; ieee80211_ht_oper_to_chandef(channel, elems->ht_operation, &chandef); - ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - elems->ht_cap_elem, - &sta_ht_cap_new); + memcpy(&htcap_ie, elems->ht_cap_elem, sizeof(htcap_ie)); /* * fall back to HT20 if we don't use or use * the other extension channel */ - if (chandef.width != NL80211_CHAN_WIDTH_40 || - cfg80211_get_chandef_type(&chandef) != + if (cfg80211_get_chandef_type(&chandef) != sdata->u.ibss.channel_type) - sta_ht_cap_new.cap &= - ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - - if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, - sizeof(sta_ht_cap_new))) { - memcpy(&sta->sta.ht_cap, &sta_ht_cap_new, - sizeof(sta_ht_cap_new)); - rates_updated = true; - } + htcap_ie.cap_info &= + cpu_to_le16(~IEEE80211_HT_CAP_SUP_WIDTH_20_40); + + rates_updated |= ieee80211_ht_cap_ie_to_sta_ht_cap( + sdata, sband, &htcap_ie, sta); } if (sta && rates_updated) { @@ -535,8 +534,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, cbss = container_of((void *)bss, struct cfg80211_bss, priv); - /* was just updated in ieee80211_bss_info_update */ - beacon_timestamp = cbss->tsf; + /* same for beacon and probe response */ + beacon_timestamp = le64_to_cpu(mgmt->u.beacon.timestamp); /* check if we need to merge IBSS */ @@ -1102,10 +1101,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, mutex_unlock(&sdata->u.ibss.mtx); - mutex_lock(&sdata->local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&sdata->local->mtx); - /* * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is * reserved, but an HT STA shall protect HT transmissions as though @@ -1159,7 +1154,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) if (cbss) { cfg80211_unlink_bss(local->hw.wiphy, cbss); - cfg80211_put_bss(cbss); + cfg80211_put_bss(local->hw.wiphy, cbss); } } @@ -1203,9 +1198,5 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->u.ibss.mtx); - mutex_lock(&local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&local->mtx); - return 0; } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 5fba867d9e2e..388580a1bada 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -86,23 +86,11 @@ struct ieee80211_fragment_entry { struct ieee80211_bss { - /* don't want to look up all the time */ - size_t ssid_len; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - - u32 device_ts; + u32 device_ts_beacon, device_ts_presp; bool wmm_used; bool uapsd_supported; - unsigned long last_probe_resp; - -#ifdef CONFIG_MAC80211_MESH - u8 *mesh_id; - size_t mesh_id_len; - u8 *mesh_cfg; -#endif - #define IEEE80211_MAX_SUPP_RATES 32 u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; size_t supp_rates_len; @@ -153,31 +141,6 @@ enum ieee80211_bss_valid_data_flags { IEEE80211_BSS_VALID_ERP = BIT(3) }; -static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_cfg; -#endif - return NULL; -} - -static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_id; -#endif - return NULL; -} - -static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_id_len; -#endif - return 0; -} - - typedef unsigned __bitwise__ ieee80211_tx_result; #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) #define TX_DROP ((__force ieee80211_tx_result) 1u) @@ -380,6 +343,7 @@ struct ieee80211_mgd_auth_data { u8 key[WLAN_KEY_LEN_WEP104]; u8 key_len, key_idx; bool done; + bool timeout_started; u16 sae_trans, sae_status; size_t data_len; @@ -399,9 +363,9 @@ struct ieee80211_mgd_assoc_data { u8 ssid_len; u8 supp_rates_len; bool wmm, uapsd; - bool have_beacon; - bool sent_assoc; + bool have_beacon, need_beacon; bool synced; + bool timeout_started; u8 ap_ht_param; @@ -425,6 +389,7 @@ struct ieee80211_if_managed { unsigned long probe_timeout; int probe_send_count; bool nullfunc_failed; + bool connection_loss; struct mutex mtx; struct cfg80211_bss *associated; @@ -449,6 +414,10 @@ struct ieee80211_if_managed { bool beacon_crc_valid; u32 beacon_crc; + bool status_acked; + bool status_received; + __le16 status_fc; + enum { IEEE80211_MFP_DISABLED, IEEE80211_MFP_OPTIONAL, @@ -611,6 +580,9 @@ struct ieee80211_if_mesh { u32 mesh_seqnum; bool accepting_plinks; int num_gates; + struct beacon_data __rcu *beacon; + /* just protects beacon updates for now */ + struct mutex mtx; const u8 *ie; u8 ie_len; enum { @@ -623,6 +595,11 @@ struct ieee80211_if_mesh { s64 sync_offset_clockdrift_max; spinlock_t sync_offset_lock; bool adjusting_tbtt; + /* mesh power save */ + enum nl80211_mesh_power_mode nonpeer_pm; + int ps_peers_light_sleep; + int ps_peers_deep_sleep; + struct ps_data ps; }; #ifdef CONFIG_MAC80211_MESH @@ -717,9 +694,6 @@ struct ieee80211_sub_if_data { char name[IFNAMSIZ]; - /* to detect idle changes */ - bool old_idle; - /* Fragment table for host-based reassembly */ struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; unsigned int fragment_next; @@ -753,6 +727,9 @@ struct ieee80211_sub_if_data { int user_power_level; /* in dBm */ int ap_power_level; /* in dBm */ + bool radar_required; + struct delayed_work dfs_cac_timer_work; + /* * AP this belongs to: self in AP mode and * corresponding AP in VLAN mode, NULL for @@ -840,6 +817,7 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_AGGREGATION, IEEE80211_QUEUE_STOP_REASON_SUSPEND, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, }; #ifdef CONFIG_MAC80211_LEDS @@ -972,6 +950,10 @@ struct ieee80211_local { /* wowlan is enabled -- don't reconfig on resume */ bool wowlan; + /* DFS/radar detection is enabled */ + bool radar_detect_enabled; + struct work_struct radar_detected_work; + /* number of RX chains the hardware has */ u8 rx_chains; @@ -986,14 +968,7 @@ struct ieee80211_local { struct sk_buff_head skb_queue; struct sk_buff_head skb_queue_unreliable; - /* - * Internal FIFO queue which is shared between multiple rx path - * stages. Its main task is to provide a serialization mechanism, - * so all rx handlers can enjoy having exclusive access to their - * private data structures. - */ - struct sk_buff_head rx_skb_queue; - bool running_rx_handler; /* protected by rx_skb_queue.lock */ + spinlock_t rx_path_lock; /* Station data */ /* @@ -1134,8 +1109,6 @@ struct ieee80211_local { * this will override whatever chosen by mac80211 internally. */ int dynamic_ps_forced_timeout; - int dynamic_ps_user_timeout; - bool disable_dynamic_ps; int user_power_level; /* in dBm, for all interfaces */ @@ -1193,40 +1166,41 @@ struct ieee80211_ra_tid { /* Parsed Information Elements */ struct ieee802_11_elems { - u8 *ie_start; + const u8 *ie_start; size_t total_len; /* pointers to IEs */ - u8 *ssid; - u8 *supp_rates; - u8 *fh_params; - u8 *ds_params; - u8 *cf_params; - struct ieee80211_tim_ie *tim; - u8 *ibss_params; - u8 *challenge; - u8 *wpa; - u8 *rsn; - u8 *erp_info; - u8 *ext_supp_rates; - u8 *wmm_info; - u8 *wmm_param; - struct ieee80211_ht_cap *ht_cap_elem; - struct ieee80211_ht_operation *ht_operation; - struct ieee80211_vht_cap *vht_cap_elem; - struct ieee80211_vht_operation *vht_operation; - struct ieee80211_meshconf_ie *mesh_config; - u8 *mesh_id; - u8 *peering; - u8 *preq; - u8 *prep; - u8 *perr; - struct ieee80211_rann_ie *rann; - struct ieee80211_channel_sw_ie *ch_switch_ie; - u8 *country_elem; - u8 *pwr_constr_elem; - u8 *quiet_elem; /* first quite element */ - u8 *timeout_int; + const u8 *ssid; + const u8 *supp_rates; + const u8 *fh_params; + const u8 *ds_params; + const u8 *cf_params; + const struct ieee80211_tim_ie *tim; + const u8 *ibss_params; + const u8 *challenge; + const u8 *rsn; + const u8 *erp_info; + const u8 *ext_supp_rates; + const u8 *wmm_info; + const u8 *wmm_param; + const struct ieee80211_ht_cap *ht_cap_elem; + const struct ieee80211_ht_operation *ht_operation; + const struct ieee80211_vht_cap *vht_cap_elem; + const struct ieee80211_vht_operation *vht_operation; + const struct ieee80211_meshconf_ie *mesh_config; + const u8 *mesh_id; + const u8 *peering; + const __le16 *awake_window; + const u8 *preq; + const u8 *prep; + const u8 *perr; + const struct ieee80211_rann_ie *rann; + const struct ieee80211_channel_sw_ie *ch_switch_ie; + const u8 *country_elem; + const u8 *pwr_constr_elem; + const u8 *quiet_elem; /* first quite element */ + const u8 *timeout_int; + const u8 *opmode_notif; /* length of them, respectively */ u8 ssid_len; @@ -1237,7 +1211,6 @@ struct ieee802_11_elems { u8 tim_len; u8 ibss_params_len; u8 challenge_len; - u8 wpa_len; u8 rsn_len; u8 erp_info_len; u8 ext_supp_rates_len; @@ -1306,10 +1279,10 @@ void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); int ieee80211_max_network_latency(struct notifier_block *nb, unsigned long data, void *dummy); int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); -void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel_sw_ie *sw_elem, - struct ieee80211_bss *bss, - u64 timestamp); +void +ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, + const struct ieee80211_channel_sw_ie *sw_elem, + struct ieee80211_bss *bss, u64 timestamp); void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); @@ -1318,6 +1291,8 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); +void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, + __le16 fc, bool acked); /* IBSS code */ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); @@ -1413,10 +1388,10 @@ void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, /* HT */ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_ht_cap *ht_cap); -void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, +bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, - struct ieee80211_ht_cap *ht_cap_ie, - struct ieee80211_sta_ht_cap *ht_cap); + const struct ieee80211_ht_cap *ht_cap_ie, + struct sta_info *sta); void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid, u16 initiator, u16 reason_code); @@ -1456,10 +1431,17 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); /* VHT */ -void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, - struct ieee80211_supported_band *sband, - struct ieee80211_vht_cap *vht_cap_ie, - struct ieee80211_sta_vht_cap *vht_cap); +void +ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, + struct ieee80211_supported_band *sband, + const struct ieee80211_vht_cap *vht_cap_ie, + struct sta_info *sta); +enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); +void ieee80211_sta_set_rx_nss(struct sta_info *sta); +void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, u8 opmode, + enum ieee80211_band band, bool nss_only); + /* Spectrum management */ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, @@ -1577,8 +1559,9 @@ static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, u16 status, - u8 *extra, size_t extra_len, const u8 *bssid, - const u8 *da, const u8 *key, u8 key_len, u8 key_idx); + const u8 *extra, size_t extra_len, const u8 *bssid, + const u8 *da, const u8 *key, u8 key_len, u8 key_idx, + u32 tx_flags); void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, const u8 *bssid, u16 stype, u16 reason, bool send_frame, u8 *frame_buf); @@ -1595,7 +1578,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, const u8 *ssid, size_t ssid_len, const u8 *ie, size_t ie_len, - u32 ratemask, bool directed, bool no_cck, + u32 ratemask, bool directed, u32 tx_flags, struct ieee80211_channel *channel, bool scan); void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, @@ -1627,18 +1610,31 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, /* channel management */ void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, - struct ieee80211_ht_operation *ht_oper, + const struct ieee80211_ht_operation *ht_oper, struct cfg80211_chan_def *chandef); int __must_check ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, const struct cfg80211_chan_def *chandef, enum ieee80211_chanctx_mode mode); +int __must_check +ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, + const struct cfg80211_chan_def *chandef, + u32 *changed); void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); +void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, + bool clear); void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *chanctx); +void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, + struct ieee80211_chanctx *chanctx); + +void ieee80211_dfs_cac_timer(unsigned long data); +void ieee80211_dfs_cac_timer_work(struct work_struct *work); +void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); +void ieee80211_dfs_radar_detected_work(struct work_struct *work); #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 0a36dc6346bb..86c83084542a 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -78,8 +78,7 @@ void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER); } -static u32 ieee80211_idle_off(struct ieee80211_local *local, - const char *reason) +static u32 ieee80211_idle_off(struct ieee80211_local *local) { if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE)) return 0; @@ -99,110 +98,45 @@ static u32 ieee80211_idle_on(struct ieee80211_local *local) return IEEE80211_CONF_CHANGE_IDLE; } -static u32 __ieee80211_recalc_idle(struct ieee80211_local *local) +void ieee80211_recalc_idle(struct ieee80211_local *local) { - struct ieee80211_sub_if_data *sdata; - int count = 0; - bool working = false, scanning = false; + bool working = false, scanning, active; unsigned int led_trig_start = 0, led_trig_stop = 0; struct ieee80211_roc_work *roc; + u32 change; -#ifdef CONFIG_PROVE_LOCKING - WARN_ON(debug_locks && !lockdep_rtnl_is_held() && - !lockdep_is_held(&local->iflist_mtx)); -#endif lockdep_assert_held(&local->mtx); - list_for_each_entry(sdata, &local->interfaces, list) { - if (!ieee80211_sdata_running(sdata)) { - sdata->vif.bss_conf.idle = true; - continue; - } - - sdata->old_idle = sdata->vif.bss_conf.idle; - - /* do not count disabled managed interfaces */ - if (sdata->vif.type == NL80211_IFTYPE_STATION && - !sdata->u.mgd.associated && - !sdata->u.mgd.auth_data && - !sdata->u.mgd.assoc_data) { - sdata->vif.bss_conf.idle = true; - continue; - } - /* do not count unused IBSS interfaces */ - if (sdata->vif.type == NL80211_IFTYPE_ADHOC && - !sdata->u.ibss.ssid_len) { - sdata->vif.bss_conf.idle = true; - continue; - } - - if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) - continue; - - /* count everything else */ - sdata->vif.bss_conf.idle = false; - count++; - } + active = !list_empty(&local->chanctx_list); if (!local->ops->remain_on_channel) { list_for_each_entry(roc, &local->roc_list, list) { working = true; - roc->sdata->vif.bss_conf.idle = false; + break; } } - sdata = rcu_dereference_protected(local->scan_sdata, - lockdep_is_held(&local->mtx)); - if (sdata && !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) { - scanning = true; - sdata->vif.bss_conf.idle = false; - } - - list_for_each_entry(sdata, &local->interfaces, list) { - if (sdata->vif.type == NL80211_IFTYPE_MONITOR || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN || - sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) - continue; - if (sdata->old_idle == sdata->vif.bss_conf.idle) - continue; - if (!ieee80211_sdata_running(sdata)) - continue; - ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE); - } + scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) || + test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning); if (working || scanning) led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK; else led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK; - if (count) + if (active) led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED; else led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED; ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop); - if (working) - return ieee80211_idle_off(local, "working"); - if (scanning) - return ieee80211_idle_off(local, "scanning"); - if (!count) - return ieee80211_idle_on(local); + if (working || scanning || active) + change = ieee80211_idle_off(local); else - return ieee80211_idle_off(local, "in use"); - - return 0; -} - -void ieee80211_recalc_idle(struct ieee80211_local *local) -{ - u32 chg; - - mutex_lock(&local->iflist_mtx); - chg = __ieee80211_recalc_idle(local); - mutex_unlock(&local->iflist_mtx); - if (chg) - ieee80211_hw_config(local, chg); + change = ieee80211_idle_on(local); + if (change) + ieee80211_hw_config(local, change); } static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) @@ -621,6 +555,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) goto err_del_interface; } + drv_add_interface_debugfs(local, sdata); + if (sdata->vif.type == NL80211_IFTYPE_AP) { local->fif_pspoll++; local->fif_probe_req++; @@ -694,10 +630,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) if (sdata->flags & IEEE80211_SDATA_PROMISC) atomic_inc(&local->iff_promiscs); - mutex_lock(&local->mtx); - hw_reconf_flags |= __ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); - if (coming_up) local->open_count++; @@ -748,6 +680,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, *tmp; u32 hw_reconf_flags = 0; int i, flushed; + struct ps_data *ps; clear_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -817,6 +750,16 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, cancel_work_sync(&sdata->recalc_smps); + cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); + + if (sdata->wdev.cac_started) { + mutex_lock(&local->iflist_mtx); + ieee80211_vif_release_channel(sdata); + mutex_unlock(&local->iflist_mtx); + cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED, + GFP_KERNEL); + } + /* APs need special treatment */ if (sdata->vif.type == NL80211_IFTYPE_AP) { struct ieee80211_sub_if_data *vlan, *tmpsdata; @@ -826,6 +769,19 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, u.vlan.list) dev_close(vlan->dev); WARN_ON(!list_empty(&sdata->u.ap.vlans)); + } else if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { + /* remove all packets in parent bc_buf pointing to this dev */ + ps = &sdata->bss->ps; + + spin_lock_irqsave(&ps->bc_buf.lock, flags); + skb_queue_walk_safe(&ps->bc_buf, skb, tmp) { + if (skb->dev == sdata->dev) { + __skb_unlink(skb, &ps->bc_buf); + local->total_ps_buffered--; + ieee80211_free_txskb(&local->hw, skb); + } + } + spin_unlock_irqrestore(&ps->bc_buf.lock, flags); } else if (sdata->vif.type == NL80211_IFTYPE_STATION) { ieee80211_mgd_stop(sdata); } @@ -882,16 +838,14 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, */ ieee80211_free_keys(sdata); + drv_remove_interface_debugfs(local, sdata); + if (going_down) drv_remove_interface(local, sdata); } sdata->bss = NULL; - mutex_lock(&local->mtx); - hw_reconf_flags |= __ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); - ieee80211_recalc_ps(local, -1); if (local->open_count == 0) { @@ -1583,6 +1537,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, spin_lock_init(&sdata->cleanup_stations_lock); INIT_LIST_HEAD(&sdata->cleanup_stations); INIT_WORK(&sdata->cleanup_stations_wk, ieee80211_cleanup_sdata_stas_wk); + INIT_DELAYED_WORK(&sdata->dfs_cac_timer_work, + ieee80211_dfs_cac_timer_work); for (i = 0; i < IEEE80211_NUM_BANDS; i++) { struct ieee80211_supported_band *sband; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 2bdd454e8bcf..f9747689d604 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -34,8 +34,6 @@ #include "cfg.h" #include "debugfs.h" -static struct lock_class_key ieee80211_rx_skb_queue_class; - void ieee80211_configure_filter(struct ieee80211_local *local) { u64 mc; @@ -503,6 +501,11 @@ static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { }, }; +static const u8 extended_capabilities[] = { + 0, 0, 0, 0, 0, 0, 0, + WLAN_EXT_CAPA8_OPMODE_NOTIF, +}; + struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, const struct ieee80211_ops *ops) { @@ -559,14 +562,17 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, WIPHY_FLAG_REPORTS_OBSS | WIPHY_FLAG_OFFCHAN_TX; + wiphy->extended_capabilities = extended_capabilities; + wiphy->extended_capabilities_mask = extended_capabilities; + wiphy->extended_capabilities_len = ARRAY_SIZE(extended_capabilities); + if (ops->remain_on_channel) wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; wiphy->features |= NL80211_FEATURE_SK_TX_STATUS | NL80211_FEATURE_SAE | NL80211_FEATURE_HT_IBSS | - NL80211_FEATURE_VIF_TXPOWER | - NL80211_FEATURE_FULL_AP_CLIENT_STATE; + NL80211_FEATURE_VIF_TXPOWER; if (!ops->hw_scan) wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | @@ -613,25 +619,19 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, mutex_init(&local->key_mtx); spin_lock_init(&local->filter_lock); + spin_lock_init(&local->rx_path_lock); spin_lock_init(&local->queue_stop_reason_lock); INIT_LIST_HEAD(&local->chanctx_list); mutex_init(&local->chanctx_mtx); - /* - * The rx_skb_queue is only accessed from tasklets, - * but other SKB queues are used from within IRQ - * context. Therefore, this one needs a different - * locking class so our direct, non-irq-safe use of - * the queue's lock doesn't throw lockdep warnings. - */ - skb_queue_head_init_class(&local->rx_skb_queue, - &ieee80211_rx_skb_queue_class); - INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); INIT_WORK(&local->restart_work, ieee80211_restart_work); + INIT_WORK(&local->radar_detected_work, + ieee80211_dfs_radar_detected_work); + INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); local->smps_mode = IEEE80211_SMPS_OFF; @@ -707,9 +707,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) return -EINVAL; #endif - if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) - return -EINVAL; - if (!local->use_chanctx) { for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { const struct ieee80211_iface_combination *comb; @@ -727,6 +724,16 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) */ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) return -EINVAL; + + /* DFS currently not supported with channel context drivers */ + for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { + const struct ieee80211_iface_combination *comb; + + comb = &local->hw.wiphy->iface_combinations[i]; + + if (comb->radar_detect_widths) + return -EINVAL; + } } /* Only HW csum features are currently compatible with mac80211 */ @@ -1089,7 +1096,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); skb_queue_purge(&local->skb_queue); skb_queue_purge(&local->skb_queue_unreliable); - skb_queue_purge(&local->rx_skb_queue); destroy_workqueue(local->workqueue); wiphy_unregister(local->hw.wiphy); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 694e27376afa..a77d40ed4e61 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -149,6 +149,31 @@ u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata) return changed; } +/* + * mesh_sta_cleanup - clean up any mesh sta state + * + * @sta: mesh sta to clean up. + */ +void mesh_sta_cleanup(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + u32 changed; + + /* + * maybe userspace handles peer allocation and peering, but in either + * case the beacon is still generated by the kernel and we might need + * an update. + */ + changed = mesh_accept_plinks_update(sdata); + if (sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { + changed |= mesh_plink_deactivate(sta); + del_timer_sync(&sta->plink_timer); + } + + if (changed) + ieee80211_mbss_info_change_notify(sdata, changed); +} + int mesh_rmc_init(struct ieee80211_sub_if_data *sdata) { int i; @@ -261,6 +286,9 @@ mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) *pos = IEEE80211_MESHCONF_CAPAB_FORWARDING; *pos |= ifmsh->accepting_plinks ? IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00; + /* Mesh PS mode. See IEEE802.11-2012 8.4.2.100.8 */ + *pos |= ifmsh->ps_peers_deep_sleep ? + IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL : 0x00; *pos++ |= ifmsh->adjusting_tbtt ? IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00; *pos++ = 0x00; @@ -286,6 +314,29 @@ mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) return 0; } +int mesh_add_awake_window_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + u8 *pos; + + /* see IEEE802.11-2012 13.14.6 */ + if (ifmsh->ps_peers_light_sleep == 0 && + ifmsh->ps_peers_deep_sleep == 0 && + ifmsh->nonpeer_pm == NL80211_MESH_POWER_ACTIVE) + return 0; + + if (skb_tailroom(skb) < 4) + return -ENOMEM; + + pos = skb_put(skb, 2 + 2); + *pos++ = WLAN_EID_MESH_AWAKE_WINDOW; + *pos++ = 2; + put_unaligned_le16(ifmsh->mshcfg.dot11MeshAwakeWindowDuration, pos); + + return 0; +} + int mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) { @@ -342,8 +393,6 @@ mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) int mesh_add_ds_params_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) { - struct ieee80211_local *local = sdata->local; - struct ieee80211_supported_band *sband; struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; u8 *pos; @@ -360,13 +409,10 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, chan = chanctx_conf->def.chan; rcu_read_unlock(); - sband = local->hw.wiphy->bands[chan->band]; - if (sband->band == IEEE80211_BAND_2GHZ) { - pos = skb_put(skb, 2 + 1); - *pos++ = WLAN_EID_DS_PARAMS; - *pos++ = 1; - *pos++ = ieee80211_frequency_to_channel(chan->center_freq); - } + pos = skb_put(skb, 2 + 1); + *pos++ = WLAN_EID_DS_PARAMS; + *pos++ = 1; + *pos++ = ieee80211_frequency_to_channel(chan->center_freq); return 0; } @@ -547,7 +593,7 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata, mesh_path_expire(sdata); changed = mesh_accept_plinks_update(sdata); - ieee80211_bss_info_change_notify(sdata, changed); + ieee80211_mbss_info_change_notify(sdata, changed); mod_timer(&ifmsh->housekeeping_timer, round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL)); @@ -598,7 +644,140 @@ void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata) } #endif -void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) +static int +ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) +{ + struct beacon_data *bcn; + int head_len, tail_len; + struct sk_buff *skb; + struct ieee80211_mgmt *mgmt; + struct ieee80211_chanctx_conf *chanctx_conf; + enum ieee80211_band band; + u8 *pos; + struct ieee80211_sub_if_data *sdata; + int hdr_len = offsetof(struct ieee80211_mgmt, u.beacon) + + sizeof(mgmt->u.beacon); + + sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh); + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + band = chanctx_conf->def.chan->band; + rcu_read_unlock(); + + head_len = hdr_len + + 2 + /* NULL SSID */ + 2 + 8 + /* supported rates */ + 2 + 3; /* DS params */ + tail_len = 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_operation) + + 2 + ifmsh->mesh_id_len + + 2 + sizeof(struct ieee80211_meshconf_ie) + + 2 + sizeof(__le16) + /* awake window */ + ifmsh->ie_len; + + bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL); + /* need an skb for IE builders to operate on */ + skb = dev_alloc_skb(max(head_len, tail_len)); + + if (!bcn || !skb) + goto out_free; + + /* + * pointers go into the block we allocated, + * memory is | beacon_data | head | tail | + */ + bcn->head = ((u8 *) bcn) + sizeof(*bcn); + + /* fill in the head */ + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_BEACON); + eth_broadcast_addr(mgmt->da); + memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); + memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); + ieee80211_mps_set_frame_flags(sdata, NULL, (void *) mgmt); + mgmt->u.beacon.beacon_int = + cpu_to_le16(sdata->vif.bss_conf.beacon_int); + mgmt->u.beacon.capab_info |= cpu_to_le16( + sdata->u.mesh.security ? WLAN_CAPABILITY_PRIVACY : 0); + + pos = skb_put(skb, 2); + *pos++ = WLAN_EID_SSID; + *pos++ = 0x0; + + if (ieee80211_add_srates_ie(sdata, skb, true, band) || + mesh_add_ds_params_ie(skb, sdata)) + goto out_free; + + bcn->head_len = skb->len; + memcpy(bcn->head, skb->data, bcn->head_len); + + /* now the tail */ + skb_trim(skb, 0); + bcn->tail = bcn->head + bcn->head_len; + + if (ieee80211_add_ext_srates_ie(sdata, skb, true, band) || + mesh_add_rsn_ie(skb, sdata) || + mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_oper_ie(skb, sdata) || + mesh_add_meshid_ie(skb, sdata) || + mesh_add_meshconf_ie(skb, sdata) || + mesh_add_awake_window_ie(skb, sdata) || + mesh_add_vendor_ies(skb, sdata)) + goto out_free; + + bcn->tail_len = skb->len; + memcpy(bcn->tail, skb->data, bcn->tail_len); + + dev_kfree_skb(skb); + rcu_assign_pointer(ifmsh->beacon, bcn); + return 0; +out_free: + kfree(bcn); + dev_kfree_skb(skb); + return -ENOMEM; +} + +static int +ieee80211_mesh_rebuild_beacon(struct ieee80211_if_mesh *ifmsh) +{ + struct ieee80211_sub_if_data *sdata; + struct beacon_data *old_bcn; + int ret; + sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh); + + mutex_lock(&ifmsh->mtx); + + old_bcn = rcu_dereference_protected(ifmsh->beacon, + lockdep_is_held(&ifmsh->mtx)); + ret = ieee80211_mesh_build_beacon(ifmsh); + if (ret) + /* just reuse old beacon */ + goto out; + + if (old_bcn) + kfree_rcu(old_bcn, rcu_head); +out: + mutex_unlock(&ifmsh->mtx); + return ret; +} + +void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed) +{ + if (sdata->vif.bss_conf.enable_beacon && + (changed & (BSS_CHANGED_BEACON | + BSS_CHANGED_HT | + BSS_CHANGED_BASIC_RATES | + BSS_CHANGED_BEACON_INT))) + if (ieee80211_mesh_rebuild_beacon(&sdata->u.mesh)) + return; + ieee80211_bss_info_change_notify(sdata, changed); +} + +int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; @@ -629,20 +808,24 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) sdata->vif.bss_conf.basic_rates = ieee80211_mandatory_rates(local, band); - if (band == IEEE80211_BAND_5GHZ) { - sdata->vif.bss_conf.use_short_slot = true; - changed |= BSS_CHANGED_ERP_SLOT; + changed |= ieee80211_mps_local_status_update(sdata); + + if (ieee80211_mesh_build_beacon(ifmsh)) { + ieee80211_stop_mesh(sdata); + return -ENOMEM; } ieee80211_bss_info_change_notify(sdata, changed); netif_carrier_on(sdata->dev); + return 0; } void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct beacon_data *bcn; netif_carrier_off(sdata->dev); @@ -651,11 +834,21 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) sdata->vif.bss_conf.enable_beacon = false; clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + mutex_lock(&ifmsh->mtx); + bcn = rcu_dereference_protected(ifmsh->beacon, + lockdep_is_held(&ifmsh->mtx)); + rcu_assign_pointer(ifmsh->beacon, NULL); + kfree_rcu(bcn, rcu_head); + mutex_unlock(&ifmsh->mtx); /* flush STAs and mpaths on this iface */ sta_info_flush(sdata); mesh_path_flush_by_iface(sdata); + /* free all potentially still buffered group-addressed frames */ + local->total_ps_buffered -= skb_queue_len(&ifmsh->ps.bc_buf); + skb_queue_purge(&ifmsh->ps.bc_buf); + del_timer_sync(&sdata->u.mesh.housekeeping_timer); del_timer_sync(&sdata->u.mesh.mesh_path_root_timer); del_timer_sync(&sdata->u.mesh.mesh_path_timer); @@ -675,6 +868,63 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) sdata->u.mesh.timers_running = 0; } +static void +ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct sk_buff *presp; + struct beacon_data *bcn; + struct ieee80211_mgmt *hdr; + struct ieee802_11_elems elems; + size_t baselen; + u8 *pos, *end; + + end = ((u8 *) mgmt) + len; + pos = mgmt->u.probe_req.variable; + baselen = (u8 *) pos - (u8 *) mgmt; + if (baselen > len) + return; + + ieee802_11_parse_elems(pos, len - baselen, &elems); + + /* 802.11-2012 10.1.4.3.2 */ + if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) && + !is_broadcast_ether_addr(mgmt->da)) || + elems.ssid_len != 0) + return; + + if (elems.mesh_id_len != 0 && + (elems.mesh_id_len != ifmsh->mesh_id_len || + memcmp(elems.mesh_id, ifmsh->mesh_id, ifmsh->mesh_id_len))) + return; + + rcu_read_lock(); + bcn = rcu_dereference(ifmsh->beacon); + + if (!bcn) + goto out; + + presp = dev_alloc_skb(local->tx_headroom + + bcn->head_len + bcn->tail_len); + if (!presp) + goto out; + + skb_reserve(presp, local->tx_headroom); + memcpy(skb_put(presp, bcn->head_len), bcn->head, bcn->head_len); + memcpy(skb_put(presp, bcn->tail_len), bcn->tail, bcn->tail_len); + hdr = (struct ieee80211_mgmt *) presp->data; + hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_PROBE_RESP); + memcpy(hdr->da, mgmt->sa, ETH_ALEN); + mpl_dbg(sdata, "sending probe resp. to %pM\n", hdr->da); + IEEE80211_SKB_CB(presp)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + ieee80211_tx_skb(sdata, presp); +out: + rcu_read_unlock(); +} + static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, u16 stype, struct ieee80211_mgmt *mgmt, @@ -764,6 +1014,9 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, ieee80211_mesh_rx_bcn_presp(sdata, stype, mgmt, skb->len, rx_status); break; + case IEEE80211_STYPE_PROBE_REQ: + ieee80211_mesh_rx_probe_req(sdata, mgmt, skb->len); + break; case IEEE80211_STYPE_ACTION: ieee80211_mesh_rx_mgmt_action(sdata, mgmt, skb->len, rx_status); break; @@ -833,8 +1086,11 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) ieee80211_mesh_path_root_timer, (unsigned long) sdata); INIT_LIST_HEAD(&ifmsh->preq_queue.list); + skb_queue_head_init(&ifmsh->ps.bc_buf); spin_lock_init(&ifmsh->mesh_preq_queue_lock); spin_lock_init(&ifmsh->sync_offset_lock); + RCU_INIT_POINTER(ifmsh->beacon, NULL); + mutex_init(&ifmsh->mtx); sdata->vif.bss_conf.bssid = zero_addr; } diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index aff301544c7f..1a1da877b1d2 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -222,6 +222,8 @@ int mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); int mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); +int mesh_add_awake_window_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); int mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); int mesh_add_ds_params_ie(struct sk_buff *skb, @@ -237,10 +239,28 @@ void ieee80211s_update_metric(struct ieee80211_local *local, struct sta_info *sta, struct sk_buff *skb); void ieee80211s_stop(void); void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); -void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); +int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata); void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh); const struct ieee80211_mesh_sync_ops *ieee80211_mesh_sync_ops_get(u8 method); +/* wrapper for ieee80211_bss_info_change_notify() */ +void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed); + +/* mesh power save */ +u32 ieee80211_mps_local_status_update(struct ieee80211_sub_if_data *sdata); +u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta, + enum nl80211_mesh_power_mode pm); +void ieee80211_mps_set_frame_flags(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee80211_hdr *hdr); +void ieee80211_mps_sta_status_update(struct sta_info *sta); +void ieee80211_mps_rx_h_sta_process(struct sta_info *sta, + struct ieee80211_hdr *hdr); +void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta, + bool tx, bool acked); +void ieee80211_mps_frame_release(struct sta_info *sta, + struct ieee802_11_elems *elems); /* Mesh paths */ int mesh_nexthop_lookup(struct sk_buff *skb, @@ -248,8 +268,8 @@ int mesh_nexthop_lookup(struct sk_buff *skb, int mesh_nexthop_resolve(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata); -struct mesh_path *mesh_path_lookup(u8 *dst, - struct ieee80211_sub_if_data *sdata); +struct mesh_path *mesh_path_lookup(const u8 *dst, + struct ieee80211_sub_if_data *sdata); struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata); int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata); @@ -259,7 +279,7 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); void mesh_path_expire(struct ieee80211_sub_if_data *sdata); void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len); -int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata); +int mesh_path_add(const u8 *dst, struct ieee80211_sub_if_data *sdata); int mesh_path_add_gate(struct mesh_path *mpath); int mesh_path_send_to_gates(struct mesh_path *mpath); @@ -271,20 +291,22 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie); u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata); void mesh_plink_broken(struct sta_info *sta); -void mesh_plink_deactivate(struct sta_info *sta); -int mesh_plink_open(struct sta_info *sta); -void mesh_plink_block(struct sta_info *sta); +u32 mesh_plink_deactivate(struct sta_info *sta); +u32 mesh_plink_open(struct sta_info *sta); +u32 mesh_plink_block(struct sta_info *sta); void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len, struct ieee80211_rx_status *rx_status); +void mesh_sta_cleanup(struct sta_info *sta); /* Private interfaces */ /* Mesh tables */ void mesh_mpath_table_grow(void); void mesh_mpp_table_grow(void); /* Mesh paths */ -int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, __le16 target_rcode, - const u8 *ra, struct ieee80211_sub_if_data *sdata); +int mesh_path_error_tx(u8 ttl, const u8 *target, __le32 target_sn, + __le16 target_rcode, const u8 *ra, + struct ieee80211_sub_if_data *sdata); void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta); void mesh_path_flush_pending(struct mesh_path *mpath); void mesh_path_tx_pending(struct mesh_path *mpath); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 6b4603a90031..585c1e26cca8 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -30,14 +30,14 @@ static void mesh_queue_preq(struct mesh_path *, u8); -static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae) +static inline u32 u32_field_get(const u8 *preq_elem, int offset, bool ae) { if (ae) offset += 6; return get_unaligned_le32(preq_elem + offset); } -static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae) +static inline u32 u16_field_get(const u8 *preq_elem, int offset, bool ae) { if (ae) offset += 6; @@ -102,10 +102,13 @@ enum mpath_frame_type { static const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, - u8 *orig_addr, __le32 orig_sn, u8 target_flags, u8 *target, - __le32 target_sn, const u8 *da, u8 hop_count, u8 ttl, - __le32 lifetime, __le32 metric, __le32 preq_id, - struct ieee80211_sub_if_data *sdata) + const u8 *orig_addr, __le32 orig_sn, + u8 target_flags, const u8 *target, + __le32 target_sn, const u8 *da, + u8 hop_count, u8 ttl, + __le32 lifetime, __le32 metric, + __le32 preq_id, + struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct sk_buff *skb; @@ -205,6 +208,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; skb_set_mac_header(skb, 0); skb_set_network_header(skb, 0); @@ -217,6 +221,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, info->control.vif = &sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; ieee80211_set_qos_hdr(sdata, skb); + ieee80211_mps_set_frame_flags(sdata, NULL, hdr); } /** @@ -233,7 +238,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, * also acquires in the TX path. To avoid a deadlock we don't transmit the * frame directly but add it to the pending queue instead. */ -int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, +int mesh_path_error_tx(u8 ttl, const u8 *target, __le32 target_sn, __le16 target_rcode, const u8 *ra, struct ieee80211_sub_if_data *sdata) { @@ -367,14 +372,14 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, * path routing information is updated. */ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - u8 *hwmp_ie, enum mpath_frame_type action) + struct ieee80211_mgmt *mgmt, + const u8 *hwmp_ie, enum mpath_frame_type action) { struct ieee80211_local *local = sdata->local; struct mesh_path *mpath; struct sta_info *sta; bool fresh_info; - u8 *orig_addr, *ta; + const u8 *orig_addr, *ta; u32 orig_sn, orig_metric; unsigned long orig_lifetime, exp_time; u32 last_hop_metric, new_metric; @@ -509,11 +514,11 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, - u8 *preq_elem, u32 metric) + const u8 *preq_elem, u32 metric) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath = NULL; - u8 *target_addr, *orig_addr; + const u8 *target_addr, *orig_addr; const u8 *da; u8 target_flags, ttl, flags; u32 orig_sn, target_sn, lifetime, orig_metric; @@ -646,11 +651,11 @@ next_hop_deref_protected(struct mesh_path *mpath) static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, - u8 *prep_elem, u32 metric) + const u8 *prep_elem, u32 metric) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath; - u8 *target_addr, *orig_addr; + const u8 *target_addr, *orig_addr; u8 ttl, hopcount, flags; u8 next_hop[ETH_ALEN]; u32 target_sn, orig_sn, lifetime; @@ -709,12 +714,13 @@ fail: } static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, u8 *perr_elem) + struct ieee80211_mgmt *mgmt, + const u8 *perr_elem) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath; u8 ttl; - u8 *ta, *target_addr; + const u8 *ta, *target_addr; u32 target_sn; u16 target_rcode; @@ -756,15 +762,15 @@ endperr: } static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - struct ieee80211_rann_ie *rann) + struct ieee80211_mgmt *mgmt, + const struct ieee80211_rann_ie *rann) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; struct sta_info *sta; struct mesh_path *mpath; u8 ttl, flags, hopcount; - u8 *orig_addr; + const u8 *orig_addr; u32 orig_sn, metric, metric_txsta, interval; bool root_is_gate; @@ -1080,6 +1086,10 @@ int mesh_nexthop_resolve(struct sk_buff *skb, u8 *target_addr = hdr->addr3; int err = 0; + /* Nulls are only sent to peers for PS and should be pre-addressed */ + if (ieee80211_is_qos_nullfunc(hdr->frame_control)) + return 0; + rcu_read_lock(); err = mesh_nexthop_lookup(skb, sdata); if (!err) @@ -1151,6 +1161,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, if (next_hop) { memcpy(hdr->addr1, next_hop->sta.addr, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); + ieee80211_mps_set_frame_flags(sdata, next_hop, hdr); err = 0; } diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index aa749818860e..2ce4c4023a97 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -181,7 +181,7 @@ errcopy: return -ENOMEM; } -static u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, +static u32 mesh_table_hash(const u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl) { /* Use last four bytes of hw addr and interface index as hash index */ @@ -212,6 +212,7 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) hdr = (struct ieee80211_hdr *) skb->data; memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN); memcpy(hdr->addr2, mpath->sdata->vif.addr, ETH_ALEN); + ieee80211_mps_set_frame_flags(sta->sdata, sta, hdr); } spin_unlock_irqrestore(&mpath->frame_queue.lock, flags); @@ -325,8 +326,8 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath, } -static struct mesh_path *mpath_lookup(struct mesh_table *tbl, u8 *dst, - struct ieee80211_sub_if_data *sdata) +static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst, + struct ieee80211_sub_if_data *sdata) { struct mesh_path *mpath; struct hlist_node *n; @@ -358,7 +359,8 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, u8 *dst, * * Locking: must be called within a read rcu section. */ -struct mesh_path *mesh_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata) +struct mesh_path *mesh_path_lookup(const u8 *dst, + struct ieee80211_sub_if_data *sdata) { return mpath_lookup(rcu_dereference(mesh_paths), dst, sdata); } @@ -493,7 +495,7 @@ int mesh_gate_num(struct ieee80211_sub_if_data *sdata) * * State: the initial state of the new path is set to 0 */ -int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata) +int mesh_path_add(const u8 *dst, struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 81e612682bc3..f7526e509aa8 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -55,6 +55,66 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta) sta->plink_retries = 0; } +/* + * mesh_set_short_slot_time - enable / disable ERP short slot time. + * + * The standard indirectly mandates mesh STAs to turn off short slot time by + * disallowing advertising this (802.11-2012 8.4.1.4), but that doesn't mean we + * can't be sneaky about it. Enable short slot time if all mesh STAs in the + * MBSS support ERP rates. + * + * Returns BSS_CHANGED_ERP_SLOT or 0 for no change. + */ +static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + enum ieee80211_band band = ieee80211_get_sdata_band(sdata); + struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + struct sta_info *sta; + u32 erp_rates = 0, changed = 0; + int i; + bool short_slot = false; + + if (band == IEEE80211_BAND_5GHZ) { + /* (IEEE 802.11-2012 19.4.5) */ + short_slot = true; + goto out; + } else if (band != IEEE80211_BAND_2GHZ || + (band == IEEE80211_BAND_2GHZ && + local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) + goto out; + + for (i = 0; i < sband->n_bitrates; i++) + if (sband->bitrates[i].flags & IEEE80211_RATE_ERP_G) + erp_rates |= BIT(i); + + if (!erp_rates) + goto out; + + rcu_read_lock(); + list_for_each_entry_rcu(sta, &local->sta_list, list) { + if (sdata != sta->sdata || + sta->plink_state != NL80211_PLINK_ESTAB) + continue; + + short_slot = false; + if (erp_rates & sta->sta.supp_rates[band]) + short_slot = true; + else + break; + } + rcu_read_unlock(); + +out: + if (sdata->vif.bss_conf.use_short_slot != short_slot) { + sdata->vif.bss_conf.use_short_slot = short_slot; + changed = BSS_CHANGED_ERP_SLOT; + mpl_dbg(sdata, "mesh_plink %pM: ERP short slot time %d\n", + sdata->vif.addr, short_slot); + } + return changed; +} + /** * mesh_set_ht_prot_mode - set correct HT protection mode * @@ -141,6 +201,9 @@ static u32 __mesh_plink_deactivate(struct sta_info *sta) sta->plink_state = NL80211_PLINK_BLOCKED; mesh_path_flush_by_nexthop(sta); + ieee80211_mps_sta_status_update(sta); + changed |= ieee80211_mps_local_status_update(sdata); + return changed; } @@ -151,7 +214,7 @@ static u32 __mesh_plink_deactivate(struct sta_info *sta) * * All mesh paths with this peer as next hop will be flushed */ -void mesh_plink_deactivate(struct sta_info *sta) +u32 mesh_plink_deactivate(struct sta_info *sta) { struct ieee80211_sub_if_data *sdata = sta->sdata; u32 changed; @@ -164,7 +227,7 @@ void mesh_plink_deactivate(struct sta_info *sta) sta->reason); spin_unlock_bh(&sta->lock); - ieee80211_bss_info_change_notify(sdata, changed); + return changed; } static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, @@ -310,8 +373,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, if (elems->ht_cap_elem && sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - elems->ht_cap_elem, - &sta->sta.ht_cap); + elems->ht_cap_elem, sta); else memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap)); @@ -320,8 +382,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, if (!(elems->ht_operation->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) - sta->sta.ht_cap.cap &= - ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan, elems->ht_operation, &chandef); if (sta->ch_width != chandef.width) @@ -431,6 +492,7 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *elems) { struct sta_info *sta; + u32 changed = 0; sta = mesh_sta_info_get(sdata, hw_addr, elems); if (!sta) @@ -441,10 +503,12 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, sdata->u.mesh.accepting_plinks && sdata->u.mesh.mshcfg.auto_open_plinks && rssi_threshold_check(sta, sdata)) - mesh_plink_open(sta); + changed = mesh_plink_open(sta); + ieee80211_mps_frame_release(sta, elems); out: rcu_read_unlock(); + ieee80211_mbss_info_change_notify(sdata, changed); } static void mesh_plink_timer(unsigned long data) @@ -528,6 +592,13 @@ static void mesh_plink_timer(unsigned long data) #ifdef CONFIG_PM void mesh_plink_quiesce(struct sta_info *sta) { + if (!ieee80211_vif_is_mesh(&sta->sdata->vif)) + return; + + /* no kernel mesh sta timers have been initialized */ + if (sta->sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) + return; + if (del_timer_sync(&sta->plink_timer)) sta->plink_timer_was_running = true; } @@ -550,13 +621,14 @@ static inline void mesh_plink_timer_set(struct sta_info *sta, int timeout) add_timer(&sta->plink_timer); } -int mesh_plink_open(struct sta_info *sta) +u32 mesh_plink_open(struct sta_info *sta) { __le16 llid; struct ieee80211_sub_if_data *sdata = sta->sdata; + u32 changed; if (!test_sta_flag(sta, WLAN_STA_AUTH)) - return -EPERM; + return 0; spin_lock_bh(&sta->lock); get_random_bytes(&llid, 2); @@ -564,7 +636,7 @@ int mesh_plink_open(struct sta_info *sta) if (sta->plink_state != NL80211_PLINK_LISTEN && sta->plink_state != NL80211_PLINK_BLOCKED) { spin_unlock_bh(&sta->lock); - return -EBUSY; + return 0; } sta->plink_state = NL80211_PLINK_OPN_SNT; mesh_plink_timer_set(sta, sdata->u.mesh.mshcfg.dot11MeshRetryTimeout); @@ -573,13 +645,16 @@ int mesh_plink_open(struct sta_info *sta) "Mesh plink: starting establishment with %pM\n", sta->sta.addr); - return mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN, - sta->sta.addr, llid, 0, 0); + /* set the non-peer mode to active during peering */ + changed = ieee80211_mps_local_status_update(sdata); + + mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN, + sta->sta.addr, llid, 0, 0); + return changed; } -void mesh_plink_block(struct sta_info *sta) +u32 mesh_plink_block(struct sta_info *sta) { - struct ieee80211_sub_if_data *sdata = sta->sdata; u32 changed; spin_lock_bh(&sta->lock); @@ -587,7 +662,7 @@ void mesh_plink_block(struct sta_info *sta) sta->plink_state = NL80211_PLINK_BLOCKED; spin_unlock_bh(&sta->lock); - ieee80211_bss_info_change_notify(sdata, changed); + return changed; } @@ -806,6 +881,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m sta->llid = llid; mesh_plink_timer_set(sta, mshcfg->dot11MeshRetryTimeout); + + /* set the non-peer mode to active during peering */ + changed |= ieee80211_mps_local_status_update(sdata); + spin_unlock_bh(&sta->lock); mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN, @@ -896,8 +975,12 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m spin_unlock_bh(&sta->lock); changed |= mesh_plink_inc_estab_count(sdata); changed |= mesh_set_ht_prot_mode(sdata); + changed |= mesh_set_short_slot_time(sdata); mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr); + ieee80211_mps_sta_status_update(sta); + changed |= ieee80211_mps_set_sta_local_pm(sta, + mshcfg->power_mode); break; default: spin_unlock_bh(&sta->lock); @@ -931,11 +1014,15 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m spin_unlock_bh(&sta->lock); changed |= mesh_plink_inc_estab_count(sdata); changed |= mesh_set_ht_prot_mode(sdata); + changed |= mesh_set_short_slot_time(sdata); mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr); mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CONFIRM, sta->sta.addr, llid, plid, 0); + ieee80211_mps_sta_status_update(sta); + changed |= ieee80211_mps_set_sta_local_pm(sta, + mshcfg->power_mode); break; default: spin_unlock_bh(&sta->lock); @@ -954,6 +1041,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout); spin_unlock_bh(&sta->lock); changed |= mesh_set_ht_prot_mode(sdata); + changed |= mesh_set_short_slot_time(sdata); mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE, sta->sta.addr, llid, plid, reason); break; @@ -1002,5 +1090,5 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m rcu_read_unlock(); if (changed) - ieee80211_bss_info_change_notify(sdata, changed); + ieee80211_mbss_info_change_notify(sdata, changed); } diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c new file mode 100644 index 000000000000..3b7bfc01ee36 --- /dev/null +++ b/net/mac80211/mesh_ps.c @@ -0,0 +1,598 @@ +/* + * Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de> + * Copyright 2012-2013, cozybit Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "mesh.h" +#include "wme.h" + + +/* mesh PS management */ + +/** + * mps_qos_null_get - create pre-addressed QoS Null frame for mesh powersave + */ +static struct sk_buff *mps_qos_null_get(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; + struct ieee80211_hdr *nullfunc; /* use 4addr header */ + struct sk_buff *skb; + int size = sizeof(*nullfunc); + __le16 fc; + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + size + 2); + if (!skb) + return NULL; + skb_reserve(skb, local->hw.extra_tx_headroom); + + nullfunc = (struct ieee80211_hdr *) skb_put(skb, size); + fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); + ieee80211_fill_mesh_addresses(nullfunc, &fc, sta->sta.addr, + sdata->vif.addr); + nullfunc->frame_control = fc; + nullfunc->duration_id = 0; + /* no address resolution for this frame -> set addr 1 immediately */ + memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); + memset(skb_put(skb, 2), 0, 2); /* append QoS control field */ + ieee80211_mps_set_frame_flags(sdata, sta, nullfunc); + + return skb; +} + +/** + * mps_qos_null_tx - send a QoS Null to indicate link-specific power mode + */ +static void mps_qos_null_tx(struct sta_info *sta) +{ + struct sk_buff *skb; + + skb = mps_qos_null_get(sta); + if (!skb) + return; + + mps_dbg(sta->sdata, "announcing peer-specific power mode to %pM\n", + sta->sta.addr); + + /* don't unintentionally start a MPSP */ + if (!test_sta_flag(sta, WLAN_STA_PS_STA)) { + u8 *qc = ieee80211_get_qos_ctl((void *) skb->data); + + qc[0] |= IEEE80211_QOS_CTL_EOSP; + } + + ieee80211_tx_skb(sta->sdata, skb); +} + +/** + * ieee80211_mps_local_status_update - track status of local link-specific PMs + * + * @sdata: local mesh subif + * + * sets the non-peer power mode and triggers the driver PS (re-)configuration + * Return BSS_CHANGED_BEACON if a beacon update is necessary. + */ +u32 ieee80211_mps_local_status_update(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct sta_info *sta; + bool peering = false; + int light_sleep_cnt = 0; + int deep_sleep_cnt = 0; + u32 changed = 0; + enum nl80211_mesh_power_mode nonpeer_pm; + + rcu_read_lock(); + list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { + if (sdata != sta->sdata) + continue; + + switch (sta->plink_state) { + case NL80211_PLINK_OPN_SNT: + case NL80211_PLINK_OPN_RCVD: + case NL80211_PLINK_CNF_RCVD: + peering = true; + break; + case NL80211_PLINK_ESTAB: + if (sta->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP) + light_sleep_cnt++; + else if (sta->local_pm == NL80211_MESH_POWER_DEEP_SLEEP) + deep_sleep_cnt++; + break; + default: + break; + } + } + rcu_read_unlock(); + + /* + * Set non-peer mode to active during peering/scanning/authentication + * (see IEEE802.11-2012 13.14.8.3). The non-peer mesh power mode is + * deep sleep if the local STA is in light or deep sleep towards at + * least one mesh peer (see 13.14.3.1). Otherwise, set it to the + * user-configured default value. + */ + if (peering) { + mps_dbg(sdata, "setting non-peer PM to active for peering\n"); + nonpeer_pm = NL80211_MESH_POWER_ACTIVE; + } else if (light_sleep_cnt || deep_sleep_cnt) { + mps_dbg(sdata, "setting non-peer PM to deep sleep\n"); + nonpeer_pm = NL80211_MESH_POWER_DEEP_SLEEP; + } else { + mps_dbg(sdata, "setting non-peer PM to user value\n"); + nonpeer_pm = ifmsh->mshcfg.power_mode; + } + + /* need update if sleep counts move between 0 and non-zero */ + if (ifmsh->nonpeer_pm != nonpeer_pm || + !ifmsh->ps_peers_light_sleep != !light_sleep_cnt || + !ifmsh->ps_peers_deep_sleep != !deep_sleep_cnt) + changed = BSS_CHANGED_BEACON; + + ifmsh->nonpeer_pm = nonpeer_pm; + ifmsh->ps_peers_light_sleep = light_sleep_cnt; + ifmsh->ps_peers_deep_sleep = deep_sleep_cnt; + + return changed; +} + +/** + * ieee80211_mps_set_sta_local_pm - set local PM towards a mesh STA + * + * @sta: mesh STA + * @pm: the power mode to set + * Return BSS_CHANGED_BEACON if a beacon update is in order. + */ +u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta, + enum nl80211_mesh_power_mode pm) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + + mps_dbg(sdata, "local STA operates in mode %d with %pM\n", + pm, sta->sta.addr); + + sta->local_pm = pm; + + /* + * announce peer-specific power mode transition + * (see IEEE802.11-2012 13.14.3.2 and 13.14.3.3) + */ + if (sta->plink_state == NL80211_PLINK_ESTAB) + mps_qos_null_tx(sta); + + return ieee80211_mps_local_status_update(sdata); +} + +/** + * ieee80211_mps_set_frame_flags - set mesh PS flags in FC (and QoS Control) + * + * @sdata: local mesh subif + * @sta: mesh STA + * @hdr: 802.11 frame header + * + * see IEEE802.11-2012 8.2.4.1.7 and 8.2.4.5.11 + * + * NOTE: sta must be given when an individually-addressed QoS frame header + * is handled, for group-addressed and management frames it is not used + */ +void ieee80211_mps_set_frame_flags(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee80211_hdr *hdr) +{ + enum nl80211_mesh_power_mode pm; + u8 *qc; + + if (WARN_ON(is_unicast_ether_addr(hdr->addr1) && + ieee80211_is_data_qos(hdr->frame_control) && + !sta)) + return; + + if (is_unicast_ether_addr(hdr->addr1) && + ieee80211_is_data_qos(hdr->frame_control) && + sta->plink_state == NL80211_PLINK_ESTAB) + pm = sta->local_pm; + else + pm = sdata->u.mesh.nonpeer_pm; + + if (pm == NL80211_MESH_POWER_ACTIVE) + hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_PM); + else + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); + + if (!ieee80211_is_data_qos(hdr->frame_control)) + return; + + qc = ieee80211_get_qos_ctl(hdr); + + if ((is_unicast_ether_addr(hdr->addr1) && + pm == NL80211_MESH_POWER_DEEP_SLEEP) || + (is_multicast_ether_addr(hdr->addr1) && + sdata->u.mesh.ps_peers_deep_sleep > 0)) + qc[1] |= (IEEE80211_QOS_CTL_MESH_PS_LEVEL >> 8); + else + qc[1] &= ~(IEEE80211_QOS_CTL_MESH_PS_LEVEL >> 8); +} + +/** + * ieee80211_mps_sta_status_update - update buffering status of neighbor STA + * + * @sta: mesh STA + * + * called after change of peering status or non-peer/peer-specific power mode + */ +void ieee80211_mps_sta_status_update(struct sta_info *sta) +{ + enum nl80211_mesh_power_mode pm; + bool do_buffer; + + /* + * use peer-specific power mode if peering is established and the + * peer's power mode is known + */ + if (sta->plink_state == NL80211_PLINK_ESTAB && + sta->peer_pm != NL80211_MESH_POWER_UNKNOWN) + pm = sta->peer_pm; + else + pm = sta->nonpeer_pm; + + do_buffer = (pm != NL80211_MESH_POWER_ACTIVE); + + /* Don't let the same PS state be set twice */ + if (test_sta_flag(sta, WLAN_STA_PS_STA) == do_buffer) + return; + + if (do_buffer) { + set_sta_flag(sta, WLAN_STA_PS_STA); + atomic_inc(&sta->sdata->u.mesh.ps.num_sta_ps); + mps_dbg(sta->sdata, "start PS buffering frames towards %pM\n", + sta->sta.addr); + } else { + ieee80211_sta_ps_deliver_wakeup(sta); + } + + /* clear the MPSP flags for non-peers or active STA */ + if (sta->plink_state != NL80211_PLINK_ESTAB) { + clear_sta_flag(sta, WLAN_STA_MPSP_OWNER); + clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT); + } else if (!do_buffer) { + clear_sta_flag(sta, WLAN_STA_MPSP_OWNER); + } +} + +static void mps_set_sta_peer_pm(struct sta_info *sta, + struct ieee80211_hdr *hdr) +{ + enum nl80211_mesh_power_mode pm; + u8 *qc = ieee80211_get_qos_ctl(hdr); + + /* + * Test Power Management field of frame control (PW) and + * mesh power save level subfield of QoS control field (PSL) + * + * | PM | PSL| Mesh PM | + * +----+----+---------+ + * | 0 |Rsrv| Active | + * | 1 | 0 | Light | + * | 1 | 1 | Deep | + */ + if (ieee80211_has_pm(hdr->frame_control)) { + if (qc[1] & (IEEE80211_QOS_CTL_MESH_PS_LEVEL >> 8)) + pm = NL80211_MESH_POWER_DEEP_SLEEP; + else + pm = NL80211_MESH_POWER_LIGHT_SLEEP; + } else { + pm = NL80211_MESH_POWER_ACTIVE; + } + + if (sta->peer_pm == pm) + return; + + mps_dbg(sta->sdata, "STA %pM enters mode %d\n", + sta->sta.addr, pm); + + sta->peer_pm = pm; + + ieee80211_mps_sta_status_update(sta); +} + +static void mps_set_sta_nonpeer_pm(struct sta_info *sta, + struct ieee80211_hdr *hdr) +{ + enum nl80211_mesh_power_mode pm; + + if (ieee80211_has_pm(hdr->frame_control)) + pm = NL80211_MESH_POWER_DEEP_SLEEP; + else + pm = NL80211_MESH_POWER_ACTIVE; + + if (sta->nonpeer_pm == pm) + return; + + mps_dbg(sta->sdata, "STA %pM sets non-peer mode to %d\n", + sta->sta.addr, pm); + + sta->nonpeer_pm = pm; + + ieee80211_mps_sta_status_update(sta); +} + +/** + * ieee80211_mps_rx_h_sta_process - frame receive handler for mesh powersave + * + * @sta: STA info that transmitted the frame + * @hdr: IEEE 802.11 (QoS) Header + */ +void ieee80211_mps_rx_h_sta_process(struct sta_info *sta, + struct ieee80211_hdr *hdr) +{ + if (is_unicast_ether_addr(hdr->addr1) && + ieee80211_is_data_qos(hdr->frame_control)) { + /* + * individually addressed QoS Data/Null frames contain + * peer link-specific PS mode towards the local STA + */ + mps_set_sta_peer_pm(sta, hdr); + + /* check for mesh Peer Service Period trigger frames */ + ieee80211_mpsp_trigger_process(ieee80211_get_qos_ctl(hdr), + sta, false, false); + } else { + /* + * can only determine non-peer PS mode + * (see IEEE802.11-2012 8.2.4.1.7) + */ + mps_set_sta_nonpeer_pm(sta, hdr); + } +} + + +/* mesh PS frame release */ + +static void mpsp_trigger_send(struct sta_info *sta, bool rspi, bool eosp) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct sk_buff *skb; + struct ieee80211_hdr *nullfunc; + struct ieee80211_tx_info *info; + u8 *qc; + + skb = mps_qos_null_get(sta); + if (!skb) + return; + + nullfunc = (struct ieee80211_hdr *) skb->data; + if (!eosp) + nullfunc->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); + /* + * | RSPI | EOSP | MPSP triggering | + * +------+------+--------------------+ + * | 0 | 0 | local STA is owner | + * | 0 | 1 | no MPSP (MPSP end) | + * | 1 | 0 | both STA are owner | + * | 1 | 1 | peer STA is owner | see IEEE802.11-2012 13.14.9.2 + */ + qc = ieee80211_get_qos_ctl(nullfunc); + if (rspi) + qc[1] |= (IEEE80211_QOS_CTL_RSPI >> 8); + if (eosp) + qc[0] |= IEEE80211_QOS_CTL_EOSP; + + info = IEEE80211_SKB_CB(skb); + + info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER | + IEEE80211_TX_CTL_REQ_TX_STATUS; + + mps_dbg(sdata, "sending MPSP trigger%s%s to %pM\n", + rspi ? " RSPI" : "", eosp ? " EOSP" : "", sta->sta.addr); + + ieee80211_tx_skb(sdata, skb); +} + +/** + * mpsp_qos_null_append - append QoS Null frame to MPSP skb queue if needed + * + * To properly end a mesh MPSP the last transmitted frame has to set the EOSP + * flag in the QoS Control field. In case the current tailing frame is not a + * QoS Data frame, append a QoS Null to carry the flag. + */ +static void mpsp_qos_null_append(struct sta_info *sta, + struct sk_buff_head *frames) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct sk_buff *new_skb, *skb = skb_peek_tail(frames); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_tx_info *info; + + if (ieee80211_is_data_qos(hdr->frame_control)) + return; + + new_skb = mps_qos_null_get(sta); + if (!new_skb) + return; + + mps_dbg(sdata, "appending QoS Null in MPSP towards %pM\n", + sta->sta.addr); + /* + * This frame has to be transmitted last. Assign lowest priority to + * make sure it cannot pass other frames when releasing multiple ACs. + */ + new_skb->priority = 1; + skb_set_queue_mapping(new_skb, IEEE80211_AC_BK); + ieee80211_set_qos_hdr(sdata, new_skb); + + info = IEEE80211_SKB_CB(new_skb); + info->control.vif = &sdata->vif; + info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; + + __skb_queue_tail(frames, new_skb); +} + +/** + * mps_frame_deliver - transmit frames during mesh powersave + * + * @sta: STA info to transmit to + * @n_frames: number of frames to transmit. -1 for all + */ +static void mps_frame_deliver(struct sta_info *sta, int n_frames) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; + int ac; + struct sk_buff_head frames; + struct sk_buff *skb; + bool more_data = false; + + skb_queue_head_init(&frames); + + /* collect frame(s) from buffers */ + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + while (n_frames != 0) { + skb = skb_dequeue(&sta->tx_filtered[ac]); + if (!skb) { + skb = skb_dequeue( + &sta->ps_tx_buf[ac]); + if (skb) + local->total_ps_buffered--; + } + if (!skb) + break; + n_frames--; + __skb_queue_tail(&frames, skb); + } + + if (!skb_queue_empty(&sta->tx_filtered[ac]) || + !skb_queue_empty(&sta->ps_tx_buf[ac])) + more_data = true; + } + + /* nothing to send? -> EOSP */ + if (skb_queue_empty(&frames)) { + mpsp_trigger_send(sta, false, true); + return; + } + + /* in a MPSP make sure the last skb is a QoS Data frame */ + if (test_sta_flag(sta, WLAN_STA_MPSP_OWNER)) + mpsp_qos_null_append(sta, &frames); + + mps_dbg(sta->sdata, "sending %d frames to PS STA %pM\n", + skb_queue_len(&frames), sta->sta.addr); + + /* prepare collected frames for transmission */ + skb_queue_walk(&frames, skb) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *) skb->data; + + /* + * Tell TX path to send this frame even though the + * STA may still remain is PS mode after this frame + * exchange. + */ + info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; + + if (more_data || !skb_queue_is_last(&frames, skb)) + hdr->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); + else + hdr->frame_control &= + cpu_to_le16(~IEEE80211_FCTL_MOREDATA); + + if (skb_queue_is_last(&frames, skb) && + ieee80211_is_data_qos(hdr->frame_control)) { + u8 *qoshdr = ieee80211_get_qos_ctl(hdr); + + /* MPSP trigger frame ends service period */ + *qoshdr |= IEEE80211_QOS_CTL_EOSP; + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + } + } + + ieee80211_add_pending_skbs(local, &frames); + sta_info_recalc_tim(sta); +} + +/** + * ieee80211_mpsp_trigger_process - track status of mesh Peer Service Periods + * + * @qc: QoS Control field + * @sta: peer to start a MPSP with + * @tx: frame was transmitted by the local STA + * @acked: frame has been transmitted successfully + * + * NOTE: active mode STA may only serve as MPSP owner + */ +void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta, + bool tx, bool acked) +{ + u8 rspi = qc[1] & (IEEE80211_QOS_CTL_RSPI >> 8); + u8 eosp = qc[0] & IEEE80211_QOS_CTL_EOSP; + + if (tx) { + if (rspi && acked) + set_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT); + + if (eosp) + clear_sta_flag(sta, WLAN_STA_MPSP_OWNER); + else if (acked && + test_sta_flag(sta, WLAN_STA_PS_STA) && + !test_and_set_sta_flag(sta, WLAN_STA_MPSP_OWNER)) + mps_frame_deliver(sta, -1); + } else { + if (eosp) + clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT); + else if (sta->local_pm != NL80211_MESH_POWER_ACTIVE) + set_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT); + + if (rspi && !test_and_set_sta_flag(sta, WLAN_STA_MPSP_OWNER)) + mps_frame_deliver(sta, -1); + } +} + +/** + * ieee80211_mps_frame_release - release buffered frames in response to beacon + * + * @sta: mesh STA + * @elems: beacon IEs + * + * For peers if we have individually-addressed frames buffered or the peer + * indicates buffered frames, send a corresponding MPSP trigger frame. Since + * we do not evaluate the awake window duration, QoS Nulls are used as MPSP + * trigger frames. If the neighbour STA is not a peer, only send single frames. + */ +void ieee80211_mps_frame_release(struct sta_info *sta, + struct ieee802_11_elems *elems) +{ + int ac, buffer_local = 0; + bool has_buffered = false; + + /* TIM map only for LLID <= IEEE80211_MAX_AID */ + if (sta->plink_state == NL80211_PLINK_ESTAB) + has_buffered = ieee80211_check_tim(elems->tim, elems->tim_len, + le16_to_cpu(sta->llid) % IEEE80211_MAX_AID); + + if (has_buffered) + mps_dbg(sta->sdata, "%pM indicates buffered frames\n", + sta->sta.addr); + + /* only transmit to PS STA with announced, non-zero awake window */ + if (test_sta_flag(sta, WLAN_STA_PS_STA) && + (!elems->awake_window || !le16_to_cpu(*elems->awake_window))) + return; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + buffer_local += skb_queue_len(&sta->ps_tx_buf[ac]) + + skb_queue_len(&sta->tx_filtered[ac]); + + if (!has_buffered && !buffer_local) + return; + + if (sta->plink_state == NL80211_PLINK_ESTAB) + mpsp_trigger_send(sta, has_buffered, !buffer_local); + else + mps_frame_deliver(sta, 1); +} diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 72924399077e..9f6464f3e05f 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -30,11 +30,13 @@ #include "rate.h" #include "led.h" -#define IEEE80211_AUTH_TIMEOUT (HZ / 5) -#define IEEE80211_AUTH_MAX_TRIES 3 -#define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5) -#define IEEE80211_ASSOC_TIMEOUT (HZ / 5) -#define IEEE80211_ASSOC_MAX_TRIES 3 +#define IEEE80211_AUTH_TIMEOUT (HZ / 5) +#define IEEE80211_AUTH_TIMEOUT_SHORT (HZ / 10) +#define IEEE80211_AUTH_MAX_TRIES 3 +#define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5) +#define IEEE80211_ASSOC_TIMEOUT (HZ / 5) +#define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10) +#define IEEE80211_ASSOC_MAX_TRIES 3 static int max_nullfunc_tries = 2; module_param(max_nullfunc_tries, int, 0644); @@ -112,6 +114,9 @@ enum rx_mgmt_action { /* caller must call cfg80211_send_assoc_timeout() */ RX_MGMT_CFG80211_ASSOC_TIMEOUT, + + /* used when a processed beacon causes a deauth */ + RX_MGMT_CFG80211_TX_DEAUTH, }; /* utils */ @@ -172,79 +177,331 @@ static int ecw2cw(int ecw) return (1 << ecw) - 1; } -static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata, - struct ieee80211_ht_operation *ht_oper, - const u8 *bssid, bool reconfig) +static u32 chandef_downgrade(struct cfg80211_chan_def *c) +{ + u32 ret; + int tmp; + + switch (c->width) { + case NL80211_CHAN_WIDTH_20: + c->width = NL80211_CHAN_WIDTH_20_NOHT; + ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + break; + case NL80211_CHAN_WIDTH_40: + c->width = NL80211_CHAN_WIDTH_20; + c->center_freq1 = c->chan->center_freq; + ret = IEEE80211_STA_DISABLE_40MHZ | + IEEE80211_STA_DISABLE_VHT; + break; + case NL80211_CHAN_WIDTH_80: + tmp = (30 + c->chan->center_freq - c->center_freq1)/20; + /* n_P40 */ + tmp /= 2; + /* freq_P40 */ + c->center_freq1 = c->center_freq1 - 20 + 40 * tmp; + c->width = NL80211_CHAN_WIDTH_40; + ret = IEEE80211_STA_DISABLE_VHT; + break; + case NL80211_CHAN_WIDTH_80P80: + c->center_freq2 = 0; + c->width = NL80211_CHAN_WIDTH_80; + ret = IEEE80211_STA_DISABLE_80P80MHZ | + IEEE80211_STA_DISABLE_160MHZ; + break; + case NL80211_CHAN_WIDTH_160: + /* n_P20 */ + tmp = (70 + c->chan->center_freq - c->center_freq1)/20; + /* n_P80 */ + tmp /= 4; + c->center_freq1 = c->center_freq1 - 40 + 80 * tmp; + c->width = NL80211_CHAN_WIDTH_80; + ret = IEEE80211_STA_DISABLE_80P80MHZ | + IEEE80211_STA_DISABLE_160MHZ; + break; + default: + case NL80211_CHAN_WIDTH_20_NOHT: + WARN_ON_ONCE(1); + c->width = NL80211_CHAN_WIDTH_20_NOHT; + ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + break; + } + + WARN_ON_ONCE(!cfg80211_chandef_valid(c)); + + return ret; +} + +static u32 +ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, + struct ieee80211_supported_band *sband, + struct ieee80211_channel *channel, + const struct ieee80211_ht_operation *ht_oper, + const struct ieee80211_vht_operation *vht_oper, + struct cfg80211_chan_def *chandef, bool verbose) +{ + struct cfg80211_chan_def vht_chandef; + u32 ht_cfreq, ret; + + chandef->chan = channel; + chandef->width = NL80211_CHAN_WIDTH_20_NOHT; + chandef->center_freq1 = channel->center_freq; + chandef->center_freq2 = 0; + + if (!ht_oper || !sband->ht_cap.ht_supported) { + ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + goto out; + } + + chandef->width = NL80211_CHAN_WIDTH_20; + + ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan, + channel->band); + /* check that channel matches the right operating channel */ + if (channel->center_freq != ht_cfreq) { + /* + * It's possible that some APs are confused here; + * Netgear WNDR3700 sometimes reports 4 higher than + * the actual channel in association responses, but + * since we look at probe response/beacon data here + * it should be OK. + */ + if (verbose) + sdata_info(sdata, + "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", + channel->center_freq, ht_cfreq, + ht_oper->primary_chan, channel->band); + ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + goto out; + } + + /* check 40 MHz support, if we have it */ + if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { + switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + chandef->width = NL80211_CHAN_WIDTH_40; + chandef->center_freq1 += 10; + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + chandef->width = NL80211_CHAN_WIDTH_40; + chandef->center_freq1 -= 10; + break; + } + } else { + /* 40 MHz (and 80 MHz) must be supported for VHT */ + ret = IEEE80211_STA_DISABLE_VHT; + goto out; + } + + if (!vht_oper || !sband->vht_cap.vht_supported) { + ret = IEEE80211_STA_DISABLE_VHT; + goto out; + } + + vht_chandef.chan = channel; + vht_chandef.center_freq1 = + ieee80211_channel_to_frequency(vht_oper->center_freq_seg1_idx, + channel->band); + vht_chandef.center_freq2 = 0; + + if (vht_oper->center_freq_seg2_idx) + vht_chandef.center_freq2 = + ieee80211_channel_to_frequency( + vht_oper->center_freq_seg2_idx, + channel->band); + + switch (vht_oper->chan_width) { + case IEEE80211_VHT_CHANWIDTH_USE_HT: + vht_chandef.width = chandef->width; + break; + case IEEE80211_VHT_CHANWIDTH_80MHZ: + vht_chandef.width = NL80211_CHAN_WIDTH_80; + break; + case IEEE80211_VHT_CHANWIDTH_160MHZ: + vht_chandef.width = NL80211_CHAN_WIDTH_160; + break; + case IEEE80211_VHT_CHANWIDTH_80P80MHZ: + vht_chandef.width = NL80211_CHAN_WIDTH_80P80; + break; + default: + if (verbose) + sdata_info(sdata, + "AP VHT operation IE has invalid channel width (%d), disable VHT\n", + vht_oper->chan_width); + ret = IEEE80211_STA_DISABLE_VHT; + goto out; + } + + if (!cfg80211_chandef_valid(&vht_chandef)) { + if (verbose) + sdata_info(sdata, + "AP VHT information is invalid, disable VHT\n"); + ret = IEEE80211_STA_DISABLE_VHT; + goto out; + } + + if (cfg80211_chandef_identical(chandef, &vht_chandef)) { + ret = 0; + goto out; + } + + if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) { + if (verbose) + sdata_info(sdata, + "AP VHT information doesn't match HT, disable VHT\n"); + ret = IEEE80211_STA_DISABLE_VHT; + goto out; + } + + *chandef = vht_chandef; + + ret = 0; + +out: + /* don't print the message below for VHT mismatch if VHT is disabled */ + if (ret & IEEE80211_STA_DISABLE_VHT) + vht_chandef = *chandef; + + while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef, + IEEE80211_CHAN_DISABLED)) { + if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) { + ret = IEEE80211_STA_DISABLE_HT | + IEEE80211_STA_DISABLE_VHT; + goto out; + } + + ret |= chandef_downgrade(chandef); + } + + if (chandef->width != vht_chandef.width && verbose) + sdata_info(sdata, + "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n"); + + WARN_ON_ONCE(!cfg80211_chandef_valid(chandef)); + return ret; +} + +static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + const struct ieee80211_ht_operation *ht_oper, + const struct ieee80211_vht_operation *vht_oper, + const u8 *bssid, u32 *changed) { struct ieee80211_local *local = sdata->local; + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_supported_band *sband; - struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; - struct sta_info *sta; - u32 changed = 0; + struct cfg80211_chan_def chandef; u16 ht_opmode; - bool disable_40 = false; + u32 flags; + enum ieee80211_sta_rx_bandwidth new_sta_bw; + int ret; - rcu_read_lock(); - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); - if (WARN_ON(!chanctx_conf)) { - rcu_read_unlock(); + /* if HT was/is disabled, don't track any bandwidth changes */ + if (ifmgd->flags & IEEE80211_STA_DISABLE_HT || !ht_oper) return 0; - } - chan = chanctx_conf->def.chan; - rcu_read_unlock(); + + /* don't check VHT if we associated as non-VHT station */ + if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT) + vht_oper = NULL; + + if (WARN_ON_ONCE(!sta)) + return -EINVAL; + + chan = sdata->vif.bss_conf.chandef.chan; sband = local->hw.wiphy->bands[chan->band]; - switch (sdata->vif.bss_conf.chandef.width) { + /* calculate new channel (type) based on HT/VHT operation IEs */ + flags = ieee80211_determine_chantype(sdata, sband, chan, ht_oper, + vht_oper, &chandef, false); + + /* + * Downgrade the new channel if we associated with restricted + * capabilities. For example, if we associated as a 20 MHz STA + * to a 40 MHz AP (due to regulatory, capabilities or config + * reasons) then switching to a 40 MHz channel now won't do us + * any good -- we couldn't use it with the AP. + */ + if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ && + chandef.width == NL80211_CHAN_WIDTH_80P80) + flags |= chandef_downgrade(&chandef); + if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ && + chandef.width == NL80211_CHAN_WIDTH_160) + flags |= chandef_downgrade(&chandef); + if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ && + chandef.width > NL80211_CHAN_WIDTH_20) + flags |= chandef_downgrade(&chandef); + + if (cfg80211_chandef_identical(&chandef, &sdata->vif.bss_conf.chandef)) + return 0; + + sdata_info(sdata, + "AP %pM changed bandwidth, new config is %d MHz, width %d (%d/%d MHz)\n", + ifmgd->bssid, chandef.chan->center_freq, chandef.width, + chandef.center_freq1, chandef.center_freq2); + + if (flags != (ifmgd->flags & (IEEE80211_STA_DISABLE_HT | + IEEE80211_STA_DISABLE_VHT | + IEEE80211_STA_DISABLE_40MHZ | + IEEE80211_STA_DISABLE_80P80MHZ | + IEEE80211_STA_DISABLE_160MHZ)) || + !cfg80211_chandef_valid(&chandef)) { + sdata_info(sdata, + "AP %pM changed bandwidth in a way we can't support - disconnect\n", + ifmgd->bssid); + return -EINVAL; + } + + switch (chandef.width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + new_sta_bw = IEEE80211_STA_RX_BW_20; + break; case NL80211_CHAN_WIDTH_40: - if (sdata->vif.bss_conf.chandef.chan->center_freq > - sdata->vif.bss_conf.chandef.center_freq1 && - chan->flags & IEEE80211_CHAN_NO_HT40MINUS) - disable_40 = true; - if (sdata->vif.bss_conf.chandef.chan->center_freq < - sdata->vif.bss_conf.chandef.center_freq1 && - chan->flags & IEEE80211_CHAN_NO_HT40PLUS) - disable_40 = true; + new_sta_bw = IEEE80211_STA_RX_BW_40; break; - default: + case NL80211_CHAN_WIDTH_80: + new_sta_bw = IEEE80211_STA_RX_BW_80; + break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + new_sta_bw = IEEE80211_STA_RX_BW_160; break; + default: + return -EINVAL; } - /* This can change during the lifetime of the BSS */ - if (!(ht_oper->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) - disable_40 = true; - - mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, bssid); - - WARN_ON_ONCE(!sta); - - if (sta && !sta->supports_40mhz) - disable_40 = true; + if (new_sta_bw > sta->cur_max_bandwidth) + new_sta_bw = sta->cur_max_bandwidth; - if (sta && (!reconfig || - (disable_40 != !(sta->sta.ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40)))) { + if (new_sta_bw < sta->sta.bandwidth) { + sta->sta.bandwidth = new_sta_bw; + rate_control_rate_update(local, sband, sta, + IEEE80211_RC_BW_CHANGED); + } - if (disable_40) - sta->sta.ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - else - sta->sta.ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + ret = ieee80211_vif_change_bandwidth(sdata, &chandef, changed); + if (ret) { + sdata_info(sdata, + "AP %pM changed bandwidth to incompatible one - disconnect\n", + ifmgd->bssid); + return ret; + } + if (new_sta_bw > sta->sta.bandwidth) { + sta->sta.bandwidth = new_sta_bw; rate_control_rate_update(local, sband, sta, IEEE80211_RC_BW_CHANGED); } - mutex_unlock(&local->sta_mtx); ht_opmode = le16_to_cpu(ht_oper->operation_mode); /* if bss configuration changed store the new one */ - if (!reconfig || (sdata->vif.bss_conf.ht_operation_mode != ht_opmode)) { - changed |= BSS_CHANGED_HT; + if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) { + *changed |= BSS_CHANGED_HT; sdata->vif.bss_conf.ht_operation_mode = ht_opmode; } - return changed; + return 0; } /* frame sending functions */ @@ -644,6 +901,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) drv_mgd_prepare_tx(local, sdata); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_INTFL_MLME_CONN_TX; ieee80211_tx_skb(sdata, skb); } @@ -680,7 +940,8 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, if (powersave) nullfunc->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | + IEEE80211_TX_INTFL_OFFCHAN_TX_OK; if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL | IEEE80211_STA_CONNECTION_POLL)) IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_USE_MINRATE; @@ -784,10 +1045,10 @@ static void ieee80211_chswitch_timer(unsigned long data) ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work); } -void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel_sw_ie *sw_elem, - struct ieee80211_bss *bss, - u64 timestamp) +void +ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, + const struct ieee80211_channel_sw_ie *sw_elem, + struct ieee80211_bss *bss, u64 timestamp) { struct cfg80211_bss *cbss = container_of((void *)bss, struct cfg80211_bss, priv); @@ -946,39 +1207,6 @@ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata, return 0; } -void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif) -{ - struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - struct ieee80211_local *local = sdata->local; - struct ieee80211_conf *conf = &local->hw.conf; - - WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION || - !(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) || - (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)); - - local->disable_dynamic_ps = false; - conf->dynamic_ps_timeout = local->dynamic_ps_user_timeout; -} -EXPORT_SYMBOL(ieee80211_enable_dyn_ps); - -void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif) -{ - struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - struct ieee80211_local *local = sdata->local; - struct ieee80211_conf *conf = &local->hw.conf; - - WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION || - !(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) || - (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)); - - local->disable_dynamic_ps = true; - conf->dynamic_ps_timeout = 0; - del_timer_sync(&local->dynamic_ps_timer); - ieee80211_queue_work(&local->hw, - &local->dynamic_ps_enable_work); -} -EXPORT_SYMBOL(ieee80211_disable_dyn_ps); - /* powersave */ static void ieee80211_enable_ps(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) @@ -1081,7 +1309,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) } if (count == 1 && ieee80211_powersave_allowed(found)) { - struct ieee80211_conf *conf = &local->hw.conf; s32 beaconint_us; if (latency < 0) @@ -1105,10 +1332,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) else timeout = 100; } - local->dynamic_ps_user_timeout = timeout; - if (!local->disable_dynamic_ps) - conf->dynamic_ps_timeout = - local->dynamic_ps_user_timeout; + local->hw.conf.dynamic_ps_timeout = timeout; if (beaconint_us > latency) { local->ps_sdata = NULL; @@ -1178,8 +1402,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) if (local->hw.conf.flags & IEEE80211_CONF_PS) return; - if (!local->disable_dynamic_ps && - local->hw.conf.dynamic_ps_timeout > 0) { + if (local->hw.conf.dynamic_ps_timeout > 0) { /* don't enter PS if TX frames are pending */ if (drv_tx_frames_pending(local)) { mod_timer(&local->dynamic_ps_timer, jiffies + @@ -1244,16 +1467,30 @@ void ieee80211_dynamic_ps_timer(unsigned long data) ieee80211_queue_work(&local->hw, &local->dynamic_ps_enable_work); } +void ieee80211_dfs_cac_timer_work(struct work_struct *work) +{ + struct delayed_work *delayed_work = + container_of(work, struct delayed_work, work); + struct ieee80211_sub_if_data *sdata = + container_of(delayed_work, struct ieee80211_sub_if_data, + dfs_cac_timer_work); + + ieee80211_vif_release_channel(sdata); + + cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_FINISHED, GFP_KERNEL); +} + /* MLME */ static bool ieee80211_sta_wmm_params(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, - u8 *wmm_param, size_t wmm_param_len) + const u8 *wmm_param, size_t wmm_param_len) { struct ieee80211_tx_queue_params params; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; size_t left; int count; - u8 *pos, uapsd_queues = 0; + const u8 *pos; + u8 uapsd_queues = 0; if (!local->ops->conf_tx) return false; @@ -1445,7 +1682,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, ieee80211_led_assoc(local, 1); - if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) { + if (sdata->u.mgd.assoc_data->have_beacon) { /* * If the AP is buggy we may get here with no DTIM period * known, so assume it's 1 which is the only safe assumption @@ -1453,6 +1690,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, * probably just won't work at all. */ bss_conf->dtim_period = sdata->u.mgd.dtim_period ?: 1; + bss_info_changed |= BSS_CHANGED_DTIM_PERIOD; } else { bss_conf->dtim_period = 0; } @@ -1655,17 +1893,18 @@ void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, if (!ieee80211_is_data(hdr->frame_control)) return; - if (ack) - ieee80211_sta_reset_conn_monitor(sdata); - if (ieee80211_is_nullfunc(hdr->frame_control) && sdata->u.mgd.probe_send_count > 0) { if (ack) - sdata->u.mgd.probe_send_count = 0; + ieee80211_sta_reset_conn_monitor(sdata); else sdata->u.mgd.nullfunc_failed = true; ieee80211_queue_work(&sdata->local->hw, &sdata->work); + return; } + + if (ack) + ieee80211_sta_reset_conn_monitor(sdata); } static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) @@ -1706,7 +1945,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) ssid_len = ssid[1]; ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL, - 0, (u32) -1, true, false, + 0, (u32) -1, true, 0, ifmgd->associated->channel, false); rcu_read_unlock(); } @@ -1740,7 +1979,7 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, if (beacon) mlme_dbg_ratelimited(sdata, - "detected beacon loss from AP - sending probe request\n"); + "detected beacon loss from AP - probing\n"); ieee80211_cqm_rssi_notify(&sdata->vif, NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL); @@ -1821,11 +2060,9 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_ap_probereq_get); -static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata, - bool transmit_frame) +static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - struct ieee80211_local *local = sdata->local; u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; mutex_lock(&ifmgd->mtx); @@ -1836,8 +2073,10 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata, ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, - transmit_frame, frame_buf); + true, frame_buf); ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED; + ieee80211_wake_queues_by_reason(&sdata->local->hw, + IEEE80211_QUEUE_STOP_REASON_CSA); mutex_unlock(&ifmgd->mtx); /* @@ -1845,10 +2084,6 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata, * but that's not a problem. */ cfg80211_send_deauth(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN); - - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); } static void ieee80211_beacon_connection_loss_work(struct work_struct *work) @@ -1867,10 +2102,10 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work) rcu_read_unlock(); } - if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) { + if (ifmgd->connection_loss) { sdata_info(sdata, "Connection to AP %pM lost\n", ifmgd->bssid); - __ieee80211_disconnect(sdata, false); + __ieee80211_disconnect(sdata); } else { ieee80211_mgd_probe_ap(sdata, true); } @@ -1882,9 +2117,7 @@ static void ieee80211_csa_connection_drop_work(struct work_struct *work) container_of(work, struct ieee80211_sub_if_data, u.mgd.csa_connection_drop_work); - ieee80211_wake_queues_by_reason(&sdata->local->hw, - IEEE80211_QUEUE_STOP_REASON_CSA); - __ieee80211_disconnect(sdata, true); + __ieee80211_disconnect(sdata); } void ieee80211_beacon_loss(struct ieee80211_vif *vif) @@ -1895,6 +2128,7 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif) trace_api_beacon_loss(sdata); WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR); + sdata->u.mgd.connection_loss = false; ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work); } EXPORT_SYMBOL(ieee80211_beacon_loss); @@ -1906,7 +2140,7 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif) trace_api_connection_loss(sdata); - WARN_ON(!(hw->flags & IEEE80211_HW_CONNECTION_MONITOR)); + sdata->u.mgd.connection_loss = true; ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work); } EXPORT_SYMBOL(ieee80211_connection_loss); @@ -1928,7 +2162,7 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata, ieee80211_vif_release_channel(sdata); } - cfg80211_put_bss(auth_data->bss); + cfg80211_put_bss(sdata->local->hw.wiphy, auth_data->bss); kfree(auth_data); sdata->u.mgd.auth_data = NULL; } @@ -1936,9 +2170,11 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata, static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len) { + struct ieee80211_local *local = sdata->local; struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data; u8 *pos; struct ieee802_11_elems elems; + u32 tx_flags = 0; pos = mgmt->u.auth.variable; ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); @@ -1946,11 +2182,14 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata, return; auth_data->expected_transaction = 4; drv_mgd_prepare_tx(sdata->local, sdata); + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_INTFL_MLME_CONN_TX; ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0, elems.challenge - 2, elems.challenge_len + 2, auth_data->bss->bssid, auth_data->bss->bssid, auth_data->key, auth_data->key_len, - auth_data->key_idx); + auth_data->key_idx, tx_flags); } static enum rx_mgmt_action __must_check @@ -2017,6 +2256,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, sdata_info(sdata, "authenticated\n"); ifmgd->auth_data->done = true; ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC; + ifmgd->auth_data->timeout_started = true; run_again(ifmgd, ifmgd->auth_data->timeout); if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE && @@ -2075,10 +2315,6 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata, ieee80211_set_disassoc(sdata, 0, 0, false, NULL); - mutex_lock(&sdata->local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&sdata->local->mtx); - return RX_MGMT_CFG80211_DEAUTH; } @@ -2106,10 +2342,6 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, ieee80211_set_disassoc(sdata, 0, 0, false, NULL); - mutex_lock(&sdata->local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&sdata->local->mtx); - return RX_MGMT_CFG80211_DISASSOC; } @@ -2219,6 +2451,24 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ifmgd->aid = aid; + /* + * We previously checked these in the beacon/probe response, so + * they should be present here. This is just a safety net. + */ + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && + (!elems.wmm_param || !elems.ht_cap_elem || !elems.ht_operation)) { + sdata_info(sdata, + "HT AP is missing WMM params or HT capability/operation in AssocResp\n"); + return false; + } + + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && + (!elems.vht_cap_elem || !elems.vht_operation)) { + sdata_info(sdata, + "VHT AP is missing VHT capability/operation in AssocResp\n"); + return false; + } + mutex_lock(&sdata->local->sta_mtx); /* * station info was already allocated and inserted before @@ -2232,17 +2482,36 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)]; + /* Set up internal HT/VHT capabilities */ if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - elems.ht_cap_elem, &sta->sta.ht_cap); - - sta->supports_40mhz = - sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; + elems.ht_cap_elem, sta); if (elems.vht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, - elems.vht_cap_elem, - &sta->sta.vht_cap); + elems.vht_cap_elem, sta); + + /* + * Some APs, e.g. Netgear WNDR3700, report invalid HT operation data + * in their association response, so ignore that data for our own + * configuration. If it changed since the last beacon, we'll get the + * next beacon and update then. + */ + + /* + * If an operating mode notification IE is present, override the + * NSS calculation (that would be done in rate_control_rate_init()) + * and use the # of streams from that element. + */ + if (elems.opmode_notif && + !(*elems.opmode_notif & IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF)) { + u8 nss; + + nss = *elems.opmode_notif & IEEE80211_OPMODE_NOTIF_RX_NSS_MASK; + nss >>= IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; + nss += 1; + sta->sta.rx_nss = nss; + } rate_control_rate_init(sta); @@ -2252,9 +2521,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, if (elems.wmm_param) set_sta_flag(sta, WLAN_STA_WME); - err = sta_info_move_state(sta, IEEE80211_STA_AUTH); - if (!err) - err = sta_info_move_state(sta, IEEE80211_STA_ASSOC); + err = sta_info_move_state(sta, IEEE80211_STA_ASSOC); if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT)) err = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); if (err) { @@ -2283,11 +2550,6 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ieee80211_set_wmm_default(sdata, false); changed |= BSS_CHANGED_QOS; - if (elems.ht_operation && elems.wmm_param && - !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) - changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation, - cbss->bssid, false); - /* set AID and assoc capability, * ieee80211_set_associated() will tell the driver */ bss_conf->aid = aid; @@ -2361,6 +2623,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n", mgmt->sa, tu, ms); assoc_data->timeout = jiffies + msecs_to_jiffies(ms); + assoc_data->timeout_started = true; if (ms > IEEE80211_ASSOC_TIMEOUT) run_again(ifmgd, assoc_data->timeout); return RX_MGMT_NONE; @@ -2376,7 +2639,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) { /* oops -- internal error -- send timeout for now */ ieee80211_destroy_assoc_data(sdata, false); - cfg80211_put_bss(*bss); + cfg80211_put_bss(sdata->local->hw.wiphy, *bss); return RX_MGMT_CFG80211_ASSOC_TIMEOUT; } sdata_info(sdata, "associated\n"); @@ -2412,7 +2675,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, need_ps = sdata->u.mgd.associated && !sdata->u.mgd.dtim_period; if (elems->tim && !elems->parse_error) { - struct ieee80211_tim_ie *tim_ie = elems->tim; + const struct ieee80211_tim_ie *tim_ie = elems->tim; sdata->u.mgd.dtim_period = tim_ie->dtim_period; } } @@ -2484,6 +2747,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, sdata_info(sdata, "direct probe responded\n"); ifmgd->auth_data->tries = 0; ifmgd->auth_data->timeout = jiffies; + ifmgd->auth_data->timeout_started = true; run_again(ifmgd, ifmgd->auth_data->timeout); } } @@ -2509,10 +2773,10 @@ static const u64 care_about_ies = (1ULL << WLAN_EID_HT_CAPABILITY) | (1ULL << WLAN_EID_HT_OPERATION); -static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len, - struct ieee80211_rx_status *rx_status) +static enum rx_mgmt_action +ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len, + u8 *deauth_buf, struct ieee80211_rx_status *rx_status) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; @@ -2521,6 +2785,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; + struct sta_info *sta; u32 changed = 0; bool erp_valid; u8 erp_value = 0; @@ -2532,39 +2797,51 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, /* Process beacon from the current BSS */ baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; if (baselen > len) - return; + return RX_MGMT_NONE; rcu_read_lock(); chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); if (!chanctx_conf) { rcu_read_unlock(); - return; + return RX_MGMT_NONE; } if (rx_status->freq != chanctx_conf->def.chan->center_freq) { rcu_read_unlock(); - return; + return RX_MGMT_NONE; } chan = chanctx_conf->def.chan; rcu_read_unlock(); - if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon && + if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon && ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) { ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); ifmgd->assoc_data->have_beacon = true; - ifmgd->assoc_data->sent_assoc = false; + ifmgd->assoc_data->need_beacon = false; + if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) { + sdata->vif.bss_conf.sync_tsf = + le64_to_cpu(mgmt->u.beacon.timestamp); + sdata->vif.bss_conf.sync_device_ts = + rx_status->device_timestamp; + if (elems.tim) + sdata->vif.bss_conf.sync_dtim_count = + elems.tim->dtim_count; + else + sdata->vif.bss_conf.sync_dtim_count = 0; + } /* continue assoc process */ ifmgd->assoc_data->timeout = jiffies; + ifmgd->assoc_data->timeout_started = true; run_again(ifmgd, ifmgd->assoc_data->timeout); - return; + return RX_MGMT_NONE; } if (!ifmgd->associated || !ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) - return; + return RX_MGMT_NONE; bssid = ifmgd->associated->bssid; /* Track average RSSI from the Beacon frames of the current AP */ @@ -2630,7 +2907,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) { mlme_dbg_ratelimited(sdata, - "cancelling probereq poll due to a received beacon\n"); + "cancelling AP probe due to a received beacon\n"); mutex_lock(&local->mtx); ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL; ieee80211_run_deferred_scan(local); @@ -2702,7 +2979,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, } if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid) - return; + return RX_MGMT_NONE; ifmgd->beacon_crc = ncrc; ifmgd->beacon_crc_valid = true; @@ -2712,6 +2989,32 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, elems.wmm_param_len)) changed |= BSS_CHANGED_QOS; + /* + * If we haven't had a beacon before, tell the driver about the + * DTIM period (and beacon timing if desired) now. + */ + if (!bss_conf->dtim_period) { + /* a few bogus AP send dtim_period = 0 or no TIM IE */ + if (elems.tim) + bss_conf->dtim_period = elems.tim->dtim_period ?: 1; + else + bss_conf->dtim_period = 1; + + if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) { + sdata->vif.bss_conf.sync_tsf = + le64_to_cpu(mgmt->u.beacon.timestamp); + sdata->vif.bss_conf.sync_device_ts = + rx_status->device_timestamp; + if (elems.tim) + sdata->vif.bss_conf.sync_dtim_count = + elems.tim->dtim_count; + else + sdata->vif.bss_conf.sync_dtim_count = 0; + } + + changed |= BSS_CHANGED_DTIM_PERIOD; + } + if (elems.erp_info && elems.erp_info_len >= 1) { erp_valid = true; erp_value = elems.erp_info[0]; @@ -2722,11 +3025,22 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, le16_to_cpu(mgmt->u.beacon.capab_info), erp_valid, erp_value); + mutex_lock(&local->sta_mtx); + sta = sta_info_get(sdata, bssid); - if (elems.ht_cap_elem && elems.ht_operation && elems.wmm_param && - !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) - changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation, - bssid, true); + if (ieee80211_config_bw(sdata, sta, elems.ht_operation, + elems.vht_operation, bssid, &changed)) { + mutex_unlock(&local->sta_mtx); + ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, + WLAN_REASON_DEAUTH_LEAVING, + true, deauth_buf); + return RX_MGMT_CFG80211_TX_DEAUTH; + } + + if (sta && elems.opmode_notif) + ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif, + rx_status->band, true); + mutex_unlock(&local->sta_mtx); if (elems.country_elem && elems.pwr_constr_elem && mgmt->u.probe_resp.capab_info & @@ -2737,6 +3051,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, elems.pwr_constr_elem); ieee80211_bss_info_change_notify(sdata, changed); + + return RX_MGMT_NONE; } void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, @@ -2747,6 +3063,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt; struct cfg80211_bss *bss = NULL; enum rx_mgmt_action rma = RX_MGMT_NONE; + u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN]; u16 fc; rx_status = (struct ieee80211_rx_status *) skb->cb; @@ -2757,7 +3074,8 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, switch (fc & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_BEACON: - ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len, rx_status); + rma = ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len, + deauth_buf, rx_status); break; case IEEE80211_STYPE_PROBE_RESP: ieee80211_rx_mgmt_probe_resp(sdata, skb); @@ -2806,6 +3124,10 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, case RX_MGMT_CFG80211_ASSOC_TIMEOUT: cfg80211_send_assoc_timeout(sdata->dev, mgmt->bssid); break; + case RX_MGMT_CFG80211_TX_DEAUTH: + cfg80211_send_deauth(sdata->dev, deauth_buf, + sizeof(deauth_buf)); + break; default: WARN(1, "unexpected: %d", rma); } @@ -2827,14 +3149,13 @@ static void ieee80211_sta_timer(unsigned long data) } static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, - u8 *bssid, u8 reason) + u8 *bssid, u8 reason, bool tx) { - struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason, - false, frame_buf); + tx, frame_buf); mutex_unlock(&ifmgd->mtx); /* @@ -2843,10 +3164,6 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, */ cfg80211_send_deauth(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN); - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); - mutex_lock(&ifmgd->mtx); } @@ -2855,12 +3172,17 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data; + u32 tx_flags = 0; lockdep_assert_held(&ifmgd->mtx); if (WARN_ON_ONCE(!auth_data)) return -EINVAL; + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_INTFL_MLME_CONN_TX; + auth_data->tries++; if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) { @@ -2897,7 +3219,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) ieee80211_send_auth(sdata, trans, auth_data->algorithm, status, auth_data->data, auth_data->data_len, auth_data->bss->bssid, - auth_data->bss->bssid, NULL, 0, 0); + auth_data->bss->bssid, NULL, 0, 0, + tx_flags); } else { const u8 *ssidie; @@ -2916,13 +3239,18 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) * will not answer to direct packet in unassociated state. */ ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1], - NULL, 0, (u32) -1, true, false, + NULL, 0, (u32) -1, true, tx_flags, auth_data->bss->channel, false); rcu_read_unlock(); } - auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT; - run_again(ifmgd, auth_data->timeout); + if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) { + auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT; + ifmgd->auth_data->timeout_started = true; + run_again(ifmgd, auth_data->timeout); + } else { + auth_data->timeout_started = false; + } return 0; } @@ -2953,12 +3281,29 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) IEEE80211_ASSOC_MAX_TRIES); ieee80211_send_assoc(sdata); - assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT; - run_again(&sdata->u.mgd, assoc_data->timeout); + if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) { + assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT; + assoc_data->timeout_started = true; + run_again(&sdata->u.mgd, assoc_data->timeout); + } else { + assoc_data->timeout_started = false; + } return 0; } +void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, + __le16 fc, bool acked) +{ + struct ieee80211_local *local = sdata->local; + + sdata->u.mgd.status_fc = fc; + sdata->u.mgd.status_acked = acked; + sdata->u.mgd.status_received = true; + + ieee80211_queue_work(&local->hw, &sdata->work); +} + void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; @@ -2966,7 +3311,36 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) mutex_lock(&ifmgd->mtx); - if (ifmgd->auth_data && + if (ifmgd->status_received) { + __le16 fc = ifmgd->status_fc; + bool status_acked = ifmgd->status_acked; + + ifmgd->status_received = false; + if (ifmgd->auth_data && + (ieee80211_is_probe_req(fc) || ieee80211_is_auth(fc))) { + if (status_acked) { + ifmgd->auth_data->timeout = + jiffies + IEEE80211_AUTH_TIMEOUT_SHORT; + run_again(ifmgd, ifmgd->auth_data->timeout); + } else { + ifmgd->auth_data->timeout = jiffies - 1; + } + ifmgd->auth_data->timeout_started = true; + } else if (ifmgd->assoc_data && + (ieee80211_is_assoc_req(fc) || + ieee80211_is_reassoc_req(fc))) { + if (status_acked) { + ifmgd->assoc_data->timeout = + jiffies + IEEE80211_ASSOC_TIMEOUT_SHORT; + run_again(ifmgd, ifmgd->assoc_data->timeout); + } else { + ifmgd->assoc_data->timeout = jiffies - 1; + } + ifmgd->assoc_data->timeout_started = true; + } + } + + if (ifmgd->auth_data && ifmgd->auth_data->timeout_started && time_after(jiffies, ifmgd->auth_data->timeout)) { if (ifmgd->auth_data->done) { /* @@ -2985,12 +3359,13 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) cfg80211_send_auth_timeout(sdata->dev, bssid); mutex_lock(&ifmgd->mtx); } - } else if (ifmgd->auth_data) + } else if (ifmgd->auth_data && ifmgd->auth_data->timeout_started) run_again(ifmgd, ifmgd->auth_data->timeout); - if (ifmgd->assoc_data && + if (ifmgd->assoc_data && ifmgd->assoc_data->timeout_started && time_after(jiffies, ifmgd->assoc_data->timeout)) { - if (!ifmgd->assoc_data->have_beacon || + if ((ifmgd->assoc_data->need_beacon && + !ifmgd->assoc_data->have_beacon) || ieee80211_do_assoc(sdata)) { u8 bssid[ETH_ALEN]; @@ -3002,7 +3377,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) cfg80211_send_assoc_timeout(sdata->dev, bssid); mutex_lock(&ifmgd->mtx); } - } else if (ifmgd->assoc_data) + } else if (ifmgd->assoc_data && ifmgd->assoc_data->timeout_started) run_again(ifmgd, ifmgd->assoc_data->timeout); if (ifmgd->flags & (IEEE80211_STA_BEACON_POLL | @@ -3033,7 +3408,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) "No ack for nullfunc frame to AP %pM, disconnecting.\n", bssid); ieee80211_sta_connection_lost(sdata, bssid, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, + false); } } else if (time_is_after_jiffies(ifmgd->probe_timeout)) run_again(ifmgd, ifmgd->probe_timeout); @@ -3042,7 +3418,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) "Failed to send nullfunc to AP %pM after %dms, disconnecting\n", bssid, probe_wait_ms); ieee80211_sta_connection_lost(sdata, bssid, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false); } else if (ifmgd->probe_send_count < max_tries) { mlme_dbg(sdata, "No probe response from AP %pM after %dms, try %d/%i\n", @@ -3061,15 +3437,11 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) bssid, probe_wait_ms); ieee80211_sta_connection_lost(sdata, bssid, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false); } } mutex_unlock(&ifmgd->mtx); - - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); } static void ieee80211_sta_bcn_mon_timer(unsigned long data) @@ -3081,6 +3453,7 @@ static void ieee80211_sta_bcn_mon_timer(unsigned long data) if (local->quiescing) return; + sdata->u.mgd.connection_loss = false; ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_connection_loss_work); } @@ -3167,7 +3540,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) mlme_dbg(sdata, "driver requested disconnect after resume\n"); ieee80211_sta_connection_lost(sdata, ifmgd->associated->bssid, - WLAN_REASON_UNSPECIFIED); + WLAN_REASON_UNSPECIFIED, + true); mutex_unlock(&ifmgd->mtx); return; } @@ -3247,201 +3621,6 @@ int ieee80211_max_network_latency(struct notifier_block *nb, return 0; } -static u32 chandef_downgrade(struct cfg80211_chan_def *c) -{ - u32 ret; - int tmp; - - switch (c->width) { - case NL80211_CHAN_WIDTH_20: - c->width = NL80211_CHAN_WIDTH_20_NOHT; - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; - break; - case NL80211_CHAN_WIDTH_40: - c->width = NL80211_CHAN_WIDTH_20; - c->center_freq1 = c->chan->center_freq; - ret = IEEE80211_STA_DISABLE_40MHZ | - IEEE80211_STA_DISABLE_VHT; - break; - case NL80211_CHAN_WIDTH_80: - tmp = (30 + c->chan->center_freq - c->center_freq1)/20; - /* n_P40 */ - tmp /= 2; - /* freq_P40 */ - c->center_freq1 = c->center_freq1 - 20 + 40 * tmp; - c->width = NL80211_CHAN_WIDTH_40; - ret = IEEE80211_STA_DISABLE_VHT; - break; - case NL80211_CHAN_WIDTH_80P80: - c->center_freq2 = 0; - c->width = NL80211_CHAN_WIDTH_80; - ret = IEEE80211_STA_DISABLE_80P80MHZ | - IEEE80211_STA_DISABLE_160MHZ; - break; - case NL80211_CHAN_WIDTH_160: - /* n_P20 */ - tmp = (70 + c->chan->center_freq - c->center_freq1)/20; - /* n_P80 */ - tmp /= 4; - c->center_freq1 = c->center_freq1 - 40 + 80 * tmp; - c->width = NL80211_CHAN_WIDTH_80; - ret = IEEE80211_STA_DISABLE_80P80MHZ | - IEEE80211_STA_DISABLE_160MHZ; - break; - default: - case NL80211_CHAN_WIDTH_20_NOHT: - WARN_ON_ONCE(1); - c->width = NL80211_CHAN_WIDTH_20_NOHT; - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; - break; - } - - WARN_ON_ONCE(!cfg80211_chandef_valid(c)); - - return ret; -} - -static u32 -ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, - struct ieee80211_supported_band *sband, - struct ieee80211_channel *channel, - const struct ieee80211_ht_operation *ht_oper, - const struct ieee80211_vht_operation *vht_oper, - struct cfg80211_chan_def *chandef) -{ - struct cfg80211_chan_def vht_chandef; - u32 ht_cfreq, ret; - - chandef->chan = channel; - chandef->width = NL80211_CHAN_WIDTH_20_NOHT; - chandef->center_freq1 = channel->center_freq; - chandef->center_freq2 = 0; - - if (!ht_oper || !sband->ht_cap.ht_supported) { - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; - goto out; - } - - chandef->width = NL80211_CHAN_WIDTH_20; - - ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan, - channel->band); - /* check that channel matches the right operating channel */ - if (channel->center_freq != ht_cfreq) { - /* - * It's possible that some APs are confused here; - * Netgear WNDR3700 sometimes reports 4 higher than - * the actual channel in association responses, but - * since we look at probe response/beacon data here - * it should be OK. - */ - sdata_info(sdata, - "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", - channel->center_freq, ht_cfreq, - ht_oper->primary_chan, channel->band); - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; - goto out; - } - - /* check 40 MHz support, if we have it */ - if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { - switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { - case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: - chandef->width = NL80211_CHAN_WIDTH_40; - chandef->center_freq1 += 10; - break; - case IEEE80211_HT_PARAM_CHA_SEC_BELOW: - chandef->width = NL80211_CHAN_WIDTH_40; - chandef->center_freq1 -= 10; - break; - } - } else { - /* 40 MHz (and 80 MHz) must be supported for VHT */ - ret = IEEE80211_STA_DISABLE_VHT; - goto out; - } - - if (!vht_oper || !sband->vht_cap.vht_supported) { - ret = IEEE80211_STA_DISABLE_VHT; - goto out; - } - - vht_chandef.chan = channel; - vht_chandef.center_freq1 = - ieee80211_channel_to_frequency(vht_oper->center_freq_seg1_idx, - channel->band); - vht_chandef.center_freq2 = 0; - - if (vht_oper->center_freq_seg2_idx) - vht_chandef.center_freq2 = - ieee80211_channel_to_frequency( - vht_oper->center_freq_seg2_idx, - channel->band); - - switch (vht_oper->chan_width) { - case IEEE80211_VHT_CHANWIDTH_USE_HT: - vht_chandef.width = chandef->width; - break; - case IEEE80211_VHT_CHANWIDTH_80MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_80; - break; - case IEEE80211_VHT_CHANWIDTH_160MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_160; - break; - case IEEE80211_VHT_CHANWIDTH_80P80MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_80P80; - break; - default: - sdata_info(sdata, - "AP VHT operation IE has invalid channel width (%d), disable VHT\n", - vht_oper->chan_width); - ret = IEEE80211_STA_DISABLE_VHT; - goto out; - } - - if (!cfg80211_chandef_valid(&vht_chandef)) { - sdata_info(sdata, - "AP VHT information is invalid, disable VHT\n"); - ret = IEEE80211_STA_DISABLE_VHT; - goto out; - } - - if (cfg80211_chandef_identical(chandef, &vht_chandef)) { - ret = 0; - goto out; - } - - if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) { - sdata_info(sdata, - "AP VHT information doesn't match HT, disable VHT\n"); - ret = IEEE80211_STA_DISABLE_VHT; - goto out; - } - - *chandef = vht_chandef; - - ret = 0; - -out: - while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef, - IEEE80211_CHAN_DISABLED)) { - if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) { - ret = IEEE80211_STA_DISABLE_HT | - IEEE80211_STA_DISABLE_VHT; - goto out; - } - - ret |= chandef_downgrade(chandef); - } - - if (chandef->width != vht_chandef.width) - sdata_info(sdata, - "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n"); - - WARN_ON_ONCE(!cfg80211_chandef_valid(chandef)); - return ret; -} - static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata, struct cfg80211_bss *cbss) { @@ -3507,16 +3686,22 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && sband->ht_cap.ht_supported) { - const u8 *ht_oper_ie; + const u8 *ht_oper_ie, *ht_cap; ht_oper_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_OPERATION); if (ht_oper_ie && ht_oper_ie[1] >= sizeof(*ht_oper)) ht_oper = (void *)(ht_oper_ie + 2); + + ht_cap = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_CAPABILITY); + if (!ht_cap || ht_cap[1] < sizeof(struct ieee80211_ht_cap)) { + ifmgd->flags |= IEEE80211_STA_DISABLE_HT; + ht_oper = NULL; + } } if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && sband->vht_cap.vht_supported) { - const u8 *vht_oper_ie; + const u8 *vht_oper_ie, *vht_cap; vht_oper_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_OPERATION); @@ -3526,15 +3711,21 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, vht_oper = NULL; sdata_info(sdata, "AP advertised VHT without HT, disabling both\n"); - sdata->flags |= IEEE80211_STA_DISABLE_HT; - sdata->flags |= IEEE80211_STA_DISABLE_VHT; + ifmgd->flags |= IEEE80211_STA_DISABLE_HT; + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + } + + vht_cap = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_CAPABILITY); + if (!vht_cap || vht_cap[1] < sizeof(struct ieee80211_vht_cap)) { + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + vht_oper = NULL; } } ifmgd->flags |= ieee80211_determine_chantype(sdata, sband, cbss->channel, ht_oper, vht_oper, - &chandef); + &chandef, true); sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss), local->rx_chains); @@ -3584,15 +3775,12 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, return -ENOMEM; } - mutex_lock(&local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&local->mtx); - if (new_sta) { u32 rates = 0, basic_rates = 0; bool have_higher_than_11mbit; int min_rate = INT_MAX, min_rate_index = -1; struct ieee80211_supported_band *sband; + const struct cfg80211_bss_ies *ies; sband = local->hw.wiphy->bands[cbss->channel->band]; @@ -3636,8 +3824,34 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, /* set timing information */ sdata->vif.bss_conf.beacon_int = cbss->beacon_interval; - sdata->vif.bss_conf.sync_tsf = cbss->tsf; - sdata->vif.bss_conf.sync_device_ts = bss->device_ts; + rcu_read_lock(); + ies = rcu_dereference(cbss->beacon_ies); + if (ies) { + const u8 *tim_ie; + + sdata->vif.bss_conf.sync_tsf = ies->tsf; + sdata->vif.bss_conf.sync_device_ts = + bss->device_ts_beacon; + tim_ie = cfg80211_find_ie(WLAN_EID_TIM, + ies->data, ies->len); + if (tim_ie && tim_ie[1] >= 2) + sdata->vif.bss_conf.sync_dtim_count = tim_ie[2]; + else + sdata->vif.bss_conf.sync_dtim_count = 0; + } else if (!(local->hw.flags & + IEEE80211_HW_TIMING_BEACON_ONLY)) { + ies = rcu_dereference(cbss->proberesp_ies); + /* must be non-NULL since beacon IEs were NULL */ + sdata->vif.bss_conf.sync_tsf = ies->tsf; + sdata->vif.bss_conf.sync_device_ts = + bss->device_ts_presp; + sdata->vif.bss_conf.sync_dtim_count = 0; + } else { + sdata->vif.bss_conf.sync_tsf = 0; + sdata->vif.bss_conf.sync_device_ts = 0; + sdata->vif.bss_conf.sync_dtim_count = 0; + } + rcu_read_unlock(); /* tell driver about BSSID, basic rates and timing */ ieee80211_bss_info_change_notify(sdata, @@ -3757,7 +3971,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, } /* hold our own reference */ - cfg80211_ref_bss(auth_data->bss); + cfg80211_ref_bss(local->hw.wiphy, auth_data->bss); err = 0; goto out_unlock; @@ -3780,6 +3994,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_bss *bss = (void *)req->bss->priv; struct ieee80211_mgd_assoc_data *assoc_data; + const struct cfg80211_bss_ies *beacon_ies; struct ieee80211_supported_band *sband; const u8 *ssidie, *ht_ie, *vht_ie; int i, err; @@ -3945,40 +4160,48 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, if (err) goto err_clear; - if (sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) { - const struct cfg80211_bss_ies *beacon_ies; + rcu_read_lock(); + beacon_ies = rcu_dereference(req->bss->beacon_ies); - rcu_read_lock(); - beacon_ies = rcu_dereference(req->bss->beacon_ies); - if (!beacon_ies) { - /* - * Wait up to one beacon interval ... - * should this be more if we miss one? - */ - sdata_info(sdata, "waiting for beacon from %pM\n", - ifmgd->bssid); - assoc_data->timeout = - TU_TO_EXP_TIME(req->bss->beacon_interval); - } else { - const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, - beacon_ies->data, - beacon_ies->len); - if (tim_ie && tim_ie[1] >= - sizeof(struct ieee80211_tim_ie)) { - const struct ieee80211_tim_ie *tim; - tim = (void *)(tim_ie + 2); - ifmgd->dtim_period = tim->dtim_period; - } - assoc_data->have_beacon = true; - assoc_data->sent_assoc = false; - assoc_data->timeout = jiffies; + if (sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC && + !beacon_ies) { + /* + * Wait up to one beacon interval ... + * should this be more if we miss one? + */ + sdata_info(sdata, "waiting for beacon from %pM\n", + ifmgd->bssid); + assoc_data->timeout = TU_TO_EXP_TIME(req->bss->beacon_interval); + assoc_data->timeout_started = true; + assoc_data->need_beacon = true; + } else if (beacon_ies) { + const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, + beacon_ies->data, + beacon_ies->len); + u8 dtim_count = 0; + + if (tim_ie && tim_ie[1] >= sizeof(struct ieee80211_tim_ie)) { + const struct ieee80211_tim_ie *tim; + tim = (void *)(tim_ie + 2); + ifmgd->dtim_period = tim->dtim_period; + dtim_count = tim->dtim_count; } - rcu_read_unlock(); - } else { assoc_data->have_beacon = true; - assoc_data->sent_assoc = false; assoc_data->timeout = jiffies; + assoc_data->timeout_started = true; + + if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) { + sdata->vif.bss_conf.sync_tsf = beacon_ies->tsf; + sdata->vif.bss_conf.sync_device_ts = + bss->device_ts_beacon; + sdata->vif.bss_conf.sync_dtim_count = dtim_count; + } + } else { + assoc_data->timeout = jiffies; + assoc_data->timeout_started = true; } + rcu_read_unlock(); + run_again(ifmgd, assoc_data->timeout); if (bss->corrupt_data) { @@ -4045,10 +4268,6 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, mutex_unlock(&ifmgd->mtx); out: - mutex_lock(&sdata->local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&sdata->local->mtx); - if (sent_frame) __cfg80211_send_deauth(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN); @@ -4089,10 +4308,6 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, __cfg80211_send_disassoc(sdata->dev, frame_buf, IEEE80211_DEAUTH_FRAME_LEN); - mutex_lock(&sdata->local->mtx); - ieee80211_recalc_idle(sdata->local); - mutex_unlock(&sdata->local->mtx); - return 0; } diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 82baf5b6ecf4..cc79b4a2e821 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -113,6 +113,15 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local) * notify the AP about us leaving the channel and stop all * STA interfaces. */ + + /* + * Stop queues and transmit all frames queued by the driver + * before sending nullfunc to enable powersave at the AP. + */ + ieee80211_stop_queues_by_reason(&local->hw, + IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL); + drv_flush(local, false); + mutex_lock(&local->iflist_mtx); list_for_each_entry(sdata, &local->interfaces, list) { if (!ieee80211_sdata_running(sdata)) @@ -133,12 +142,9 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local) sdata, BSS_CHANGED_BEACON_ENABLED); } - if (sdata->vif.type != NL80211_IFTYPE_MONITOR) { - netif_tx_stop_all_queues(sdata->dev); - if (sdata->vif.type == NL80211_IFTYPE_STATION && - sdata->u.mgd.associated) - ieee80211_offchannel_ps_enable(sdata); - } + if (sdata->vif.type == NL80211_IFTYPE_STATION && + sdata->u.mgd.associated) + ieee80211_offchannel_ps_enable(sdata); } mutex_unlock(&local->iflist_mtx); } @@ -166,20 +172,6 @@ void ieee80211_offchannel_return(struct ieee80211_local *local) sdata->u.mgd.associated) ieee80211_offchannel_ps_disable(sdata); - if (sdata->vif.type != NL80211_IFTYPE_MONITOR) { - /* - * This may wake up queues even though the driver - * currently has them stopped. This is not very - * likely, since the driver won't have gotten any - * (or hardly any) new packets while we weren't - * on the right channel, and even if it happens - * it will at most lead to queueing up one more - * packet per queue in mac80211 rather than on - * the interface qdisc. - */ - netif_tx_wake_all_queues(sdata->dev); - } - if (test_and_clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state)) { sdata->vif.bss_conf.enable_beacon = true; @@ -188,6 +180,9 @@ void ieee80211_offchannel_return(struct ieee80211_local *local) } } mutex_unlock(&local->iflist_mtx); + + ieee80211_wake_queues_by_reason(&local->hw, + IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL); } void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc) diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index e45b83610e85..d0275f34bf70 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -38,6 +38,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) ieee80211_scan_cancel(local); + ieee80211_dfs_cac_cancel(local); + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { @@ -228,3 +230,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) * ieee80211_reconfig(), which is also needed for hardware * hang/firmware failure/etc. recovery. */ + +void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp) +{ + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + + cfg80211_report_wowlan_wakeup(&sdata->wdev, wakeup, gfp); +} +EXPORT_SYMBOL(ieee80211_report_wowlan_wakeup); diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h index 301386dabf88..d35a5dd3fb13 100644 --- a/net/mac80211/rate.h +++ b/net/mac80211/rate.h @@ -68,6 +68,8 @@ static inline void rate_control_rate_init(struct sta_info *sta) sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band]; rcu_read_unlock(); + ieee80211_sta_set_rx_nss(sta); + ref->ops->rate_init(ref->priv, sband, ista, priv_sta); set_sta_flag(sta, WLAN_STA_RATE_CONTROL); } diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 8c5acdc06226..eea45a2c7c35 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -494,6 +494,33 @@ minstrel_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta) kfree(mi); } +static void +minstrel_init_cck_rates(struct minstrel_priv *mp) +{ + static const int bitrates[4] = { 10, 20, 55, 110 }; + struct ieee80211_supported_band *sband; + int i, j; + + sband = mp->hw->wiphy->bands[IEEE80211_BAND_2GHZ]; + if (!sband) + return; + + for (i = 0, j = 0; i < sband->n_bitrates; i++) { + struct ieee80211_rate *rate = &sband->bitrates[i]; + + if (rate->flags & IEEE80211_RATE_ERP_G) + continue; + + for (j = 0; j < ARRAY_SIZE(bitrates); j++) { + if (rate->bitrate != bitrates[j]) + continue; + + mp->cck_rates[j] = i; + break; + } + } +} + static void * minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) { @@ -539,6 +566,8 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) S_IRUGO | S_IWUGO, debugfsdir, &mp->fixed_rate_idx); #endif + minstrel_init_cck_rates(mp); + return mp; } diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h index 5d278eccaef0..5ecf757817f2 100644 --- a/net/mac80211/rc80211_minstrel.h +++ b/net/mac80211/rc80211_minstrel.h @@ -79,6 +79,8 @@ struct minstrel_priv { unsigned int lookaround_rate; unsigned int lookaround_rate_mrr; + u8 cck_rates[4]; + #ifdef CONFIG_MAC80211_DEBUGFS /* * enable fixed rate processing per RC diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 9f9c453bc45d..3af141c69712 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -63,6 +63,30 @@ } \ } +#define CCK_DURATION(_bitrate, _short, _len) \ + (10 /* SIFS */ + \ + (_short ? 72 + 24 : 144 + 48 ) + \ + (8 * (_len + 4) * 10) / (_bitrate)) + +#define CCK_ACK_DURATION(_bitrate, _short) \ + (CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) + \ + CCK_DURATION(_bitrate, _short, AVG_PKT_SIZE)) + +#define CCK_DURATION_LIST(_short) \ + CCK_ACK_DURATION(10, _short), \ + CCK_ACK_DURATION(20, _short), \ + CCK_ACK_DURATION(55, _short), \ + CCK_ACK_DURATION(110, _short) + +#define CCK_GROUP \ + [MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS] = { \ + .streams = 0, \ + .duration = { \ + CCK_DURATION_LIST(false), \ + CCK_DURATION_LIST(true) \ + } \ + } + /* * To enable sufficiently targeted rate sampling, MCS rates are divided into * groups, based on the number of streams and flags (HT40, SGI) that they @@ -95,8 +119,13 @@ const struct mcs_group minstrel_mcs_groups[] = { #if MINSTREL_MAX_STREAMS >= 3 MCS_GROUP(3, 1, 1), #endif + + /* must be last */ + CCK_GROUP }; +#define MINSTREL_CCK_GROUP (ARRAY_SIZE(minstrel_mcs_groups) - 1) + static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES]; /* @@ -119,6 +148,29 @@ minstrel_ht_get_group_idx(struct ieee80211_tx_rate *rate) !!(rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)); } +static struct minstrel_rate_stats * +minstrel_ht_get_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, + struct ieee80211_tx_rate *rate) +{ + int group, idx; + + if (rate->flags & IEEE80211_TX_RC_MCS) { + group = minstrel_ht_get_group_idx(rate); + idx = rate->idx % MCS_GROUP_RATES; + } else { + group = MINSTREL_CCK_GROUP; + + for (idx = 0; idx < ARRAY_SIZE(mp->cck_rates); idx++) + if (rate->idx == mp->cck_rates[idx]) + break; + + /* short preamble */ + if (!(mi->groups[group].supported & BIT(idx))) + idx += 4; + } + return &mi->groups[group].rates[idx]; +} + static inline struct minstrel_rate_stats * minstrel_get_ratestats(struct minstrel_ht_sta *mi, int index) { @@ -159,7 +211,7 @@ static void minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate) { struct minstrel_rate_stats *mr; - unsigned int usecs; + unsigned int usecs = 0; mr = &mi->groups[group].rates[rate]; @@ -168,7 +220,9 @@ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate) return; } - usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len); + if (group != MINSTREL_CCK_GROUP) + usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len); + usecs += minstrel_mcs_groups[group].duration[rate]; mr->cur_tp = MINSTREL_TRUNC((1000000 / usecs) * mr->probability); } @@ -231,10 +285,6 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) if (!mr->cur_tp) continue; - /* ignore the lowest rate of each single-stream group */ - if (!i && minstrel_mcs_groups[group].streams == 1) - continue; - if ((mr->cur_tp > cur_prob_tp && mr->probability > MINSTREL_FRAC(3, 4)) || mr->probability > cur_prob) { mg->max_prob_rate = index; @@ -297,7 +347,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) } static bool -minstrel_ht_txstat_valid(struct ieee80211_tx_rate *rate) +minstrel_ht_txstat_valid(struct minstrel_priv *mp, struct ieee80211_tx_rate *rate) { if (rate->idx < 0) return false; @@ -305,7 +355,13 @@ minstrel_ht_txstat_valid(struct ieee80211_tx_rate *rate) if (!rate->count) return false; - return !!(rate->flags & IEEE80211_TX_RC_MCS); + if (rate->flags & IEEE80211_TX_RC_MCS) + return true; + + return rate->idx == mp->cck_rates[0] || + rate->idx == mp->cck_rates[1] || + rate->idx == mp->cck_rates[2] || + rate->idx == mp->cck_rates[3]; } static void @@ -390,7 +446,6 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, struct minstrel_rate_stats *rate, *rate2; struct minstrel_priv *mp = priv; bool last; - int group; int i; if (!msp->is_ht) @@ -419,13 +474,12 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) mi->sample_packets += info->status.ampdu_len; - last = !minstrel_ht_txstat_valid(&ar[0]); + last = !minstrel_ht_txstat_valid(mp, &ar[0]); for (i = 0; !last; i++) { last = (i == IEEE80211_TX_MAX_RATES - 1) || - !minstrel_ht_txstat_valid(&ar[i + 1]); + !minstrel_ht_txstat_valid(mp, &ar[i + 1]); - group = minstrel_ht_get_group_idx(&ar[i]); - rate = &mi->groups[group].rates[ar[i].idx % 8]; + rate = minstrel_ht_get_stats(mp, mi, &ar[i]); if (last) rate->success += info->status.ampdu_ack_len; @@ -451,7 +505,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) { minstrel_ht_update_stats(mp, mi); - if (!(info->flags & IEEE80211_TX_CTL_AMPDU)) + if (!(info->flags & IEEE80211_TX_CTL_AMPDU) && + mi->max_prob_rate / MCS_GROUP_RATES != MINSTREL_CCK_GROUP) minstrel_aggr_check(sta, skb); } } @@ -467,6 +522,7 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, unsigned int ctime = 0; unsigned int t_slot = 9; /* FIXME */ unsigned int ampdu_len = MINSTREL_TRUNC(mi->avg_ampdu_len); + unsigned int overhead = 0, overhead_rtscts = 0; mr = minstrel_get_ratestats(mi, index); if (mr->probability < MINSTREL_FRAC(1, 10)) { @@ -488,9 +544,14 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, ctime += (t_slot * cw) >> 1; cw = min((cw << 1) | 1, mp->cw_max); + if (index / MCS_GROUP_RATES != MINSTREL_CCK_GROUP) { + overhead = mi->overhead; + overhead_rtscts = mi->overhead_rtscts; + } + /* Total TX time for data and Contention after first 2 tries */ - tx_time = ctime + 2 * (mi->overhead + tx_time_data); - tx_time_rtscts = ctime + 2 * (mi->overhead_rtscts + tx_time_data); + tx_time = ctime + 2 * (overhead + tx_time_data); + tx_time_rtscts = ctime + 2 * (overhead_rtscts + tx_time_data); /* See how many more tries we can fit inside segment size */ do { @@ -499,8 +560,8 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, cw = min((cw << 1) | 1, mp->cw_max); /* Total TX time after this try */ - tx_time += ctime + mi->overhead + tx_time_data; - tx_time_rtscts += ctime + mi->overhead_rtscts + tx_time_data; + tx_time += ctime + overhead + tx_time_data; + tx_time_rtscts += ctime + overhead_rtscts + tx_time_data; if (tx_time_rtscts < mp->segment_size) mr->retry_count_rtscts++; @@ -530,9 +591,16 @@ minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, else rate->count = mr->retry_count; - rate->flags = IEEE80211_TX_RC_MCS | group->flags; + rate->flags = 0; if (rtscts) rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS; + + if (index / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) { + rate->idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)]; + return; + } + + rate->flags |= IEEE80211_TX_RC_MCS | group->flags; rate->idx = index % MCS_GROUP_RATES + (group->streams - 1) * MCS_GROUP_RATES; } @@ -596,6 +664,22 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) } static void +minstrel_ht_check_cck_shortpreamble(struct minstrel_priv *mp, + struct minstrel_ht_sta *mi, bool val) +{ + u8 supported = mi->groups[MINSTREL_CCK_GROUP].supported; + + if (!supported || !mi->cck_supported_short) + return; + + if (supported & (mi->cck_supported_short << (val * 4))) + return; + + supported ^= mi->cck_supported_short | (mi->cck_supported_short << 4); + mi->groups[MINSTREL_CCK_GROUP].supported = supported; +} + +static void minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_tx_rate_control *txrc) { @@ -614,6 +698,7 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, return mac80211_minstrel.get_rate(priv, sta, &msp->legacy, txrc); info->flags |= mi->tx_flags; + minstrel_ht_check_cck_shortpreamble(mp, mi, txrc->short_preamble); /* Don't use EAPOL frames for sampling on non-mrr hw */ if (mp->hw->max_rates == 1 && @@ -687,6 +772,30 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, } static void +minstrel_ht_update_cck(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, + struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta) +{ + int i; + + if (sband->band != IEEE80211_BAND_2GHZ) + return; + + mi->cck_supported = 0; + mi->cck_supported_short = 0; + for (i = 0; i < 4; i++) { + if (!rate_supported(sta, sband->band, mp->cck_rates[i])) + continue; + + mi->cck_supported |= BIT(i); + if (sband->bitrates[i].flags & IEEE80211_RATE_SHORT_PREAMBLE) + mi->cck_supported_short |= BIT(i); + } + + mi->groups[MINSTREL_CCK_GROUP].supported = mi->cck_supported; +} + +static void minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta) { @@ -699,14 +808,13 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband, int ack_dur; int stbc; int i; - unsigned int smps; /* fall back to the old minstrel for legacy stations */ if (!sta->ht_cap.ht_supported) goto use_legacy; BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) != - MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS); + MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS + 1); msp->is_ht = true; memset(mi, 0, sizeof(*mi)); @@ -735,28 +843,29 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband, if (sta_cap & IEEE80211_HT_CAP_LDPC_CODING) mi->tx_flags |= IEEE80211_TX_CTL_LDPC; - smps = (sta_cap & IEEE80211_HT_CAP_SM_PS) >> - IEEE80211_HT_CAP_SM_PS_SHIFT; - for (i = 0; i < ARRAY_SIZE(mi->groups); i++) { - u16 req = 0; - mi->groups[i].supported = 0; - if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_SHORT_GI) { - if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - req |= IEEE80211_HT_CAP_SGI_40; - else - req |= IEEE80211_HT_CAP_SGI_20; + if (i == MINSTREL_CCK_GROUP) { + minstrel_ht_update_cck(mp, mi, sband, sta); + continue; } - if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - req |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_SHORT_GI) { + if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) { + if (!(sta_cap & IEEE80211_HT_CAP_SGI_40)) + continue; + } else { + if (!(sta_cap & IEEE80211_HT_CAP_SGI_20)) + continue; + } + } - if ((sta_cap & req) != req) + if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH && + sta->bandwidth < IEEE80211_STA_RX_BW_40) continue; /* Mark MCS > 7 as unsupported if STA is in static SMPS mode */ - if (smps == WLAN_HT_CAP_SM_PS_STATIC && + if (sta->smps_mode == IEEE80211_SMPS_STATIC && minstrel_mcs_groups[i].streams > 1) continue; diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h index 462d2b227ed5..302dbd52180d 100644 --- a/net/mac80211/rc80211_minstrel_ht.h +++ b/net/mac80211/rc80211_minstrel_ht.h @@ -107,8 +107,11 @@ struct minstrel_ht_sta { /* current MCS group to be sampled */ u8 sample_group; + u8 cck_supported; + u8 cck_supported_short; + /* MCS rate group info and statistics */ - struct minstrel_mcs_group_data groups[MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS]; + struct minstrel_mcs_group_data groups[MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS + 1]; }; struct minstrel_ht_sta_priv { diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c index e788f76a1dfe..df44a5ad8270 100644 --- a/net/mac80211/rc80211_minstrel_ht_debugfs.c +++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c @@ -15,13 +15,76 @@ #include "rc80211_minstrel.h" #include "rc80211_minstrel_ht.h" +static char * +minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p) +{ + unsigned int max_mcs = MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS; + const struct mcs_group *mg; + unsigned int j, tp, prob, eprob; + char htmode = '2'; + char gimode = 'L'; + + if (!mi->groups[i].supported) + return p; + + mg = &minstrel_mcs_groups[i]; + if (mg->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + htmode = '4'; + if (mg->flags & IEEE80211_TX_RC_SHORT_GI) + gimode = 'S'; + + for (j = 0; j < MCS_GROUP_RATES; j++) { + struct minstrel_rate_stats *mr = &mi->groups[i].rates[j]; + static const int bitrates[4] = { 10, 20, 55, 110 }; + int idx = i * MCS_GROUP_RATES + j; + + if (!(mi->groups[i].supported & BIT(j))) + continue; + + if (i == max_mcs) + p += sprintf(p, "CCK/%cP ", j < 4 ? 'L' : 'S'); + else + p += sprintf(p, "HT%c0/%cGI ", htmode, gimode); + + *(p++) = (idx == mi->max_tp_rate) ? 'T' : ' '; + *(p++) = (idx == mi->max_tp_rate2) ? 't' : ' '; + *(p++) = (idx == mi->max_prob_rate) ? 'P' : ' '; + + if (i == max_mcs) { + int r = bitrates[j % 4]; + p += sprintf(p, " %2u.%1uM", r / 10, r % 10); + } else { + p += sprintf(p, " MCS%-2u", (mg->streams - 1) * + MCS_GROUP_RATES + j); + } + + tp = mr->cur_tp / 10; + prob = MINSTREL_TRUNC(mr->cur_prob * 1000); + eprob = MINSTREL_TRUNC(mr->probability * 1000); + + p += sprintf(p, " %6u.%1u %6u.%1u %6u.%1u " + "%3u %3u(%3u) %8llu %8llu\n", + tp / 10, tp % 10, + eprob / 10, eprob % 10, + prob / 10, prob % 10, + mr->retry_count, + mr->last_success, + mr->last_attempts, + (unsigned long long)mr->succ_hist, + (unsigned long long)mr->att_hist); + } + + return p; +} + static int minstrel_ht_stats_open(struct inode *inode, struct file *file) { struct minstrel_ht_sta_priv *msp = inode->i_private; struct minstrel_ht_sta *mi = &msp->ht; struct minstrel_debugfs_info *ms; - unsigned int i, j, tp, prob, eprob; + unsigned int i; + unsigned int max_mcs = MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS; char *p; int ret; @@ -38,50 +101,13 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file) file->private_data = ms; p = ms->buf; - p += sprintf(p, "type rate throughput ewma prob this prob " - "this succ/attempt success attempts\n"); - for (i = 0; i < MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS; i++) { - char htmode = '2'; - char gimode = 'L'; - - if (!mi->groups[i].supported) - continue; - - if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - htmode = '4'; - if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_SHORT_GI) - gimode = 'S'; + p += sprintf(p, "type rate throughput ewma prob this prob " + "retry this succ/attempt success attempts\n"); - for (j = 0; j < MCS_GROUP_RATES; j++) { - struct minstrel_rate_stats *mr = &mi->groups[i].rates[j]; - int idx = i * MCS_GROUP_RATES + j; + p = minstrel_ht_stats_dump(mi, max_mcs, p); + for (i = 0; i < max_mcs; i++) + p = minstrel_ht_stats_dump(mi, i, p); - if (!(mi->groups[i].supported & BIT(j))) - continue; - - p += sprintf(p, "HT%c0/%cGI ", htmode, gimode); - - *(p++) = (idx == mi->max_tp_rate) ? 'T' : ' '; - *(p++) = (idx == mi->max_tp_rate2) ? 't' : ' '; - *(p++) = (idx == mi->max_prob_rate) ? 'P' : ' '; - p += sprintf(p, "MCS%-2u", (minstrel_mcs_groups[i].streams - 1) * - MCS_GROUP_RATES + j); - - tp = mr->cur_tp / 10; - prob = MINSTREL_TRUNC(mr->cur_prob * 1000); - eprob = MINSTREL_TRUNC(mr->probability * 1000); - - p += sprintf(p, " %6u.%1u %6u.%1u %6u.%1u " - "%3u(%3u) %8llu %8llu\n", - tp / 10, tp % 10, - eprob / 10, eprob % 10, - prob / 10, prob % 10, - mr->last_success, - mr->last_attempts, - (unsigned long long)mr->succ_hist, - (unsigned long long)mr->att_hist); - } - } p += sprintf(p, "\nTotal packet count:: ideal %d " "lookaround %d\n", max(0, (int) mi->total_packets - (int) mi->sample_packets), diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index a19089565c4b..3acb70b73e22 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -668,9 +668,9 @@ static inline u16 seq_sub(u16 sq1, u16 sq2) static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, - int index) + int index, + struct sk_buff_head *frames) { - struct ieee80211_local *local = sdata->local; struct sk_buff *skb = tid_agg_rx->reorder_buf[index]; struct ieee80211_rx_status *status; @@ -684,7 +684,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata, tid_agg_rx->reorder_buf[index] = NULL; status = IEEE80211_SKB_RXCB(skb); status->rx_flags |= IEEE80211_RX_DEFERRED_RELEASE; - skb_queue_tail(&local->rx_skb_queue, skb); + __skb_queue_tail(frames, skb); no_frame: tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num); @@ -692,7 +692,8 @@ no_frame: static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, - u16 head_seq_num) + u16 head_seq_num, + struct sk_buff_head *frames) { int index; @@ -701,7 +702,8 @@ static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) { index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; - ieee80211_release_reorder_frame(sdata, tid_agg_rx, index); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, index, + frames); } } @@ -717,7 +719,8 @@ static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata #define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10) static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata, - struct tid_ampdu_rx *tid_agg_rx) + struct tid_ampdu_rx *tid_agg_rx, + struct sk_buff_head *frames) { int index, j; @@ -746,7 +749,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata, ht_dbg_ratelimited(sdata, "release an RX reorder frame due to timeout on earlier frames\n"); - ieee80211_release_reorder_frame(sdata, tid_agg_rx, j); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, j, + frames); /* * Increment the head seq# also for the skipped slots. @@ -756,7 +760,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata, skipped = 0; } } else while (tid_agg_rx->reorder_buf[index]) { - ieee80211_release_reorder_frame(sdata, tid_agg_rx, index); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, index, + frames); index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; } @@ -788,7 +793,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata, */ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, - struct sk_buff *skb) + struct sk_buff *skb, + struct sk_buff_head *frames) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u16 sc = le16_to_cpu(hdr->seq_ctrl); @@ -816,7 +822,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size)); /* release stored frames up to new head to stack */ ieee80211_release_reorder_frames(sdata, tid_agg_rx, - head_seq_num); + head_seq_num, frames); } /* Now the new frame is always in the range of the reordering buffer */ @@ -846,7 +852,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata tid_agg_rx->reorder_buf[index] = skb; tid_agg_rx->reorder_time[index] = jiffies; tid_agg_rx->stored_mpdu_num++; - ieee80211_sta_reorder_release(sdata, tid_agg_rx); + ieee80211_sta_reorder_release(sdata, tid_agg_rx, frames); out: spin_unlock(&tid_agg_rx->reorder_lock); @@ -857,7 +863,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns * true if the MPDU was buffered, false if it should be processed. */ -static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) +static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, + struct sk_buff_head *frames) { struct sk_buff *skb = rx->skb; struct ieee80211_local *local = rx->local; @@ -922,11 +929,12 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) * sure that we cannot get to it any more before doing * anything with it. */ - if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb)) + if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb, + frames)) return; dont_reorder: - skb_queue_tail(&local->rx_skb_queue, skb); + __skb_queue_tail(frames, skb); } static ieee80211_rx_result debug_noinline @@ -1452,6 +1460,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) } } + /* mesh power save support */ + if (ieee80211_vif_is_mesh(&rx->sdata->vif)) + ieee80211_mps_rx_h_sta_process(sta, hdr); + /* * Drop (qos-)data::nullfunc frames silently, since they * are used only to control station power saving mode. @@ -2090,7 +2102,10 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) if (is_multicast_ether_addr(fwd_hdr->addr1)) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_mcast); memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN); + /* update power mode indication when forwarding */ + ieee80211_mps_set_frame_flags(sdata, NULL, fwd_hdr); } else if (!mesh_nexthop_lookup(fwd_skb, sdata)) { + /* mesh power mode flags updated in mesh_nexthop_lookup */ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_unicast); } else { /* unable to resolve next hop */ @@ -2177,7 +2192,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx) } static ieee80211_rx_result debug_noinline -ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) +ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames) { struct sk_buff *skb = rx->skb; struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data; @@ -2216,7 +2231,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) spin_lock(&tid_agg_rx->reorder_lock); /* release stored frames up to start of BAR */ ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx, - start_seq_num); + start_seq_num, frames); spin_unlock(&tid_agg_rx->reorder_lock); kfree_skb(skb); @@ -2360,31 +2375,27 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) switch (mgmt->u.action.u.ht_smps.action) { case WLAN_HT_ACTION_SMPS: { struct ieee80211_supported_band *sband; - u8 smps; + enum ieee80211_smps_mode smps_mode; /* convert to HT capability */ switch (mgmt->u.action.u.ht_smps.smps_control) { case WLAN_HT_SMPS_CONTROL_DISABLED: - smps = WLAN_HT_CAP_SM_PS_DISABLED; + smps_mode = IEEE80211_SMPS_OFF; break; case WLAN_HT_SMPS_CONTROL_STATIC: - smps = WLAN_HT_CAP_SM_PS_STATIC; + smps_mode = IEEE80211_SMPS_STATIC; break; case WLAN_HT_SMPS_CONTROL_DYNAMIC: - smps = WLAN_HT_CAP_SM_PS_DYNAMIC; + smps_mode = IEEE80211_SMPS_DYNAMIC; break; default: goto invalid; } - smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; /* if no change do nothing */ - if ((rx->sta->sta.ht_cap.cap & - IEEE80211_HT_CAP_SM_PS) == smps) + if (rx->sta->sta.smps_mode == smps_mode) goto handled; - - rx->sta->sta.ht_cap.cap &= ~IEEE80211_HT_CAP_SM_PS; - rx->sta->sta.ht_cap.cap |= smps; + rx->sta->sta.smps_mode = smps_mode; sband = rx->local->hw.wiphy->bands[status->band]; @@ -2395,26 +2406,21 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: { struct ieee80211_supported_band *sband; u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth; - bool old_40mhz, new_40mhz; + enum ieee80211_sta_rx_bandwidth new_bw; /* If it doesn't support 40 MHz it can't change ... */ - if (!rx->sta->supports_40mhz) + if (!(rx->sta->sta.ht_cap.cap & + IEEE80211_HT_CAP_SUP_WIDTH_20_40)) goto handled; - old_40mhz = rx->sta->sta.ht_cap.cap & - IEEE80211_HT_CAP_SUP_WIDTH_20_40; - new_40mhz = chanwidth == IEEE80211_HT_CHANWIDTH_ANY; + if (chanwidth == IEEE80211_HT_CHANWIDTH_20MHZ) + new_bw = IEEE80211_STA_RX_BW_20; + else + new_bw = ieee80211_sta_cur_vht_bw(rx->sta); - if (old_40mhz == new_40mhz) + if (rx->sta->sta.bandwidth == new_bw) goto handled; - if (new_40mhz) - rx->sta->sta.ht_cap.cap |= - IEEE80211_HT_CAP_SUP_WIDTH_20_40; - else - rx->sta->sta.ht_cap.cap &= - ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - sband = rx->local->hw.wiphy->bands[status->band]; rate_control_rate_update(local, sband, rx->sta, @@ -2426,6 +2432,37 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; + case WLAN_CATEGORY_VHT: + if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && + sdata->vif.type != NL80211_IFTYPE_AP_VLAN && + sdata->vif.type != NL80211_IFTYPE_AP && + sdata->vif.type != NL80211_IFTYPE_ADHOC) + break; + + /* verify action code is present */ + if (len < IEEE80211_MIN_ACTION_SIZE + 1) + goto invalid; + + switch (mgmt->u.action.u.vht_opmode_notif.action_code) { + case WLAN_VHT_ACTION_OPMODE_NOTIF: { + u8 opmode; + + /* verify opmode is present */ + if (len < IEEE80211_MIN_ACTION_SIZE + 2) + goto invalid; + + opmode = mgmt->u.action.u.vht_opmode_notif.operating_mode; + + ieee80211_vht_handle_opmode(rx->sdata, rx->sta, + opmode, status->band, + false); + goto handled; + } + default: + break; + } + break; case WLAN_CATEGORY_BACK: if (sdata->vif.type != NL80211_IFTYPE_STATION && sdata->vif.type != NL80211_IFTYPE_MESH_POINT && @@ -2677,8 +2714,9 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx) return RX_DROP_MONITOR; break; case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ): - /* process only for ibss */ - if (sdata->vif.type != NL80211_IFTYPE_ADHOC) + /* process only for ibss and mesh */ + if (sdata->vif.type != NL80211_IFTYPE_ADHOC && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT) return RX_DROP_MONITOR; break; default: @@ -2801,7 +2839,8 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx, } } -static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) +static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, + struct sk_buff_head *frames) { ieee80211_rx_result res = RX_DROP_MONITOR; struct sk_buff *skb; @@ -2813,15 +2852,9 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) goto rxh_next; \ } while (0); - spin_lock(&rx->local->rx_skb_queue.lock); - if (rx->local->running_rx_handler) - goto unlock; - - rx->local->running_rx_handler = true; - - while ((skb = __skb_dequeue(&rx->local->rx_skb_queue))) { - spin_unlock(&rx->local->rx_skb_queue.lock); + spin_lock_bh(&rx->local->rx_path_lock); + while ((skb = __skb_dequeue(frames))) { /* * all the other fields are valid across frames * that belong to an aMPDU since they are on the @@ -2842,7 +2875,12 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) #endif CALL_RXH(ieee80211_rx_h_amsdu) CALL_RXH(ieee80211_rx_h_data) - CALL_RXH(ieee80211_rx_h_ctrl); + + /* special treatment -- needs the queue */ + res = ieee80211_rx_h_ctrl(rx, frames); + if (res != RX_CONTINUE) + goto rxh_next; + CALL_RXH(ieee80211_rx_h_mgmt_check) CALL_RXH(ieee80211_rx_h_action) CALL_RXH(ieee80211_rx_h_userspace_mgmt) @@ -2851,20 +2889,20 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) rxh_next: ieee80211_rx_handlers_result(rx, res); - spin_lock(&rx->local->rx_skb_queue.lock); + #undef CALL_RXH } - rx->local->running_rx_handler = false; - - unlock: - spin_unlock(&rx->local->rx_skb_queue.lock); + spin_unlock_bh(&rx->local->rx_path_lock); } static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) { + struct sk_buff_head reorder_release; ieee80211_rx_result res = RX_DROP_MONITOR; + __skb_queue_head_init(&reorder_release); + #define CALL_RXH(rxh) \ do { \ res = rxh(rx); \ @@ -2874,9 +2912,9 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) CALL_RXH(ieee80211_rx_h_check) - ieee80211_rx_reorder_ampdu(rx); + ieee80211_rx_reorder_ampdu(rx, &reorder_release); - ieee80211_rx_handlers(rx); + ieee80211_rx_handlers(rx, &reorder_release); return; rxh_next: @@ -2891,6 +2929,7 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) */ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid) { + struct sk_buff_head frames; struct ieee80211_rx_data rx = { .sta = sta, .sdata = sta->sdata, @@ -2906,11 +2945,13 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid) if (!tid_agg_rx) return; + __skb_queue_head_init(&frames); + spin_lock(&tid_agg_rx->reorder_lock); - ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx); + ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames); spin_unlock(&tid_agg_rx->reorder_lock); - ieee80211_rx_handlers(&rx); + ieee80211_rx_handlers(&rx, &frames); } /* main receive path */ diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 607684c47d55..43a45cf00e06 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -27,22 +27,15 @@ #define IEEE80211_PROBE_DELAY (HZ / 33) #define IEEE80211_CHANNEL_TIME (HZ / 33) -#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 8) - -static void ieee80211_rx_bss_free(struct cfg80211_bss *cbss) -{ - struct ieee80211_bss *bss = (void *)cbss->priv; - - kfree(bss_mesh_id(bss)); - kfree(bss_mesh_cfg(bss)); -} +#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 9) void ieee80211_rx_bss_put(struct ieee80211_local *local, struct ieee80211_bss *bss) { if (!bss) return; - cfg80211_put_bss(container_of((void *)bss, struct cfg80211_bss, priv)); + cfg80211_put_bss(local->hw.wiphy, + container_of((void *)bss, struct cfg80211_bss, priv)); } static bool is_uapsd_supported(struct ieee802_11_elems *elems) @@ -85,10 +78,12 @@ ieee80211_bss_info_update(struct ieee80211_local *local, if (!cbss) return NULL; - cbss->free_priv = ieee80211_rx_bss_free; bss = (void *)cbss->priv; - bss->device_ts = rx_status->device_timestamp; + if (beacon) + bss->device_ts_beacon = rx_status->device_timestamp; + else + bss->device_ts_presp = rx_status->device_timestamp; if (elems->parse_error) { if (beacon) @@ -146,9 +141,6 @@ ieee80211_bss_info_update(struct ieee80211_local *local, bss->valid_data |= IEEE80211_BSS_VALID_WMM; } - if (!beacon) - bss->last_probe_resp = jiffies; - return bss; } @@ -342,6 +334,9 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) ieee80211_offchannel_stop_vifs(local); + /* ensure nullfunc is transmitted before leaving operating channel */ + drv_flush(local, false); + ieee80211_configure_filter(local); /* We need to set power level at maximum rate for scanning. */ @@ -356,6 +351,9 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) static bool ieee80211_can_scan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { + if (local->radar_detect_enabled) + return false; + if (!list_empty(&local->roc_list)) return false; @@ -390,6 +388,11 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, int i; struct ieee80211_sub_if_data *sdata; enum ieee80211_band band = local->hw.conf.channel->band; + u32 tx_flags; + + tx_flags = IEEE80211_TX_INTFL_OFFCHAN_TX_OK; + if (local->scan_req->no_cck) + tx_flags |= IEEE80211_TX_CTL_NO_CCK_RATE; sdata = rcu_dereference_protected(local->scan_sdata, lockdep_is_held(&local->mtx)); @@ -401,8 +404,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, local->scan_req->ssids[i].ssid_len, local->scan_req->ie, local->scan_req->ie_len, local->scan_req->rates[band], false, - local->scan_req->no_cck, - local->hw.conf.channel, true); + tx_flags, local->hw.conf.channel, true); /* * After sending probe requests, wait for probe responses @@ -546,8 +548,6 @@ static void ieee80211_scan_state_decision(struct ieee80211_local *local, bool associated = false; bool tx_empty = true; bool bad_latency; - bool listen_int_exceeded; - unsigned long min_beacon_int = 0; struct ieee80211_sub_if_data *sdata; struct ieee80211_channel *next_chan; enum mac80211_scan_state next_scan_state; @@ -566,11 +566,6 @@ static void ieee80211_scan_state_decision(struct ieee80211_local *local, if (sdata->u.mgd.associated) { associated = true; - if (sdata->vif.bss_conf.beacon_int < - min_beacon_int || min_beacon_int == 0) - min_beacon_int = - sdata->vif.bss_conf.beacon_int; - if (!qdisc_all_tx_empty(sdata->dev)) { tx_empty = false; break; @@ -587,34 +582,19 @@ static void ieee80211_scan_state_decision(struct ieee80211_local *local, * see if we can scan another channel without interfering * with the current traffic situation. * - * Since we don't know if the AP has pending frames for us - * we can only check for our tx queues and use the current - * pm_qos requirements for rx. Hence, if no tx traffic occurs - * at all we will scan as many channels in a row as the pm_qos - * latency allows us to. Additionally we also check for the - * currently negotiated listen interval to prevent losing - * frames unnecessarily. - * - * Otherwise switch back to the operating channel. + * Keep good latency, do not stay off-channel more than 125 ms. */ bad_latency = time_after(jiffies + - ieee80211_scan_get_channel_time(next_chan), - local->leave_oper_channel_time + - usecs_to_jiffies(pm_qos_request(PM_QOS_NETWORK_LATENCY))); - - listen_int_exceeded = time_after(jiffies + - ieee80211_scan_get_channel_time(next_chan), - local->leave_oper_channel_time + - usecs_to_jiffies(min_beacon_int * 1024) * - local->hw.conf.listen_interval); + ieee80211_scan_get_channel_time(next_chan), + local->leave_oper_channel_time + HZ / 8); if (associated && !tx_empty) { if (local->scan_req->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) next_scan_state = SCAN_ABORT; else next_scan_state = SCAN_SUSPEND; - } else if (associated && (bad_latency || listen_int_exceeded)) { + } else if (associated && bad_latency) { next_scan_state = SCAN_SUSPEND; } else { next_scan_state = SCAN_SET_CHANNEL; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 227233c3ff7f..a79ce820cb50 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -120,6 +120,8 @@ static void cleanup_single_sta(struct sta_info *sta) if (sta->sdata->vif.type == NL80211_IFTYPE_AP || sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ps = &sdata->bss->ps; + else if (ieee80211_vif_is_mesh(&sdata->vif)) + ps = &sdata->u.mesh.ps; else return; @@ -135,13 +137,8 @@ static void cleanup_single_sta(struct sta_info *sta) ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]); } -#ifdef CONFIG_MAC80211_MESH - if (ieee80211_vif_is_mesh(&sdata->vif)) { - mesh_accept_plinks_update(sdata); - mesh_plink_deactivate(sta); - del_timer_sync(&sta->plink_timer); - } -#endif + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_sta_cleanup(sta); cancel_work_sync(&sta->drv_unblock_wk); @@ -378,6 +375,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, for (i = 0; i < IEEE80211_NUM_TIDS; i++) sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX); + sta->sta.smps_mode = IEEE80211_SMPS_OFF; + sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr); return sta; @@ -574,7 +573,6 @@ void sta_info_recalc_tim(struct sta_info *sta) { struct ieee80211_local *local = sta->local; struct ps_data *ps; - unsigned long flags; bool indicate_tim = false; u8 ignore_for_tim = sta->sta.uapsd_queues; int ac; @@ -587,6 +585,12 @@ void sta_info_recalc_tim(struct sta_info *sta) ps = &sta->sdata->bss->ps; id = sta->sta.aid; +#ifdef CONFIG_MAC80211_MESH + } else if (ieee80211_vif_is_mesh(&sta->sdata->vif)) { + ps = &sta->sdata->u.mesh.ps; + /* TIM map only for PLID <= IEEE80211_MAX_AID */ + id = le16_to_cpu(sta->plid) % IEEE80211_MAX_AID; +#endif } else { return; } @@ -625,7 +629,7 @@ void sta_info_recalc_tim(struct sta_info *sta) } done: - spin_lock_irqsave(&local->tim_lock, flags); + spin_lock_bh(&local->tim_lock); if (indicate_tim) __bss_tim_set(ps->tim, id); @@ -638,7 +642,7 @@ void sta_info_recalc_tim(struct sta_info *sta) local->tim_in_locked_section = false; } - spin_unlock_irqrestore(&local->tim_lock, flags); + spin_unlock_bh(&local->tim_lock); } static bool sta_info_buffer_expired(struct sta_info *sta, struct sk_buff *skb) @@ -745,8 +749,9 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local, bool have_buffered = false; int ac; - /* This is only necessary for stations on BSS interfaces */ - if (!sta->sdata->bss) + /* This is only necessary for stations on BSS/MBSS interfaces */ + if (!sta->sdata->bss && + !ieee80211_vif_is_mesh(&sta->sdata->vif)) return false; for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) @@ -934,6 +939,11 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, if (time_after(jiffies, sta->last_rx + exp_time)) { sta_dbg(sta->sdata, "expiring inactive STA %pM\n", sta->sta.addr); + + if (ieee80211_vif_is_mesh(&sdata->vif) && + test_sta_flag(sta, WLAN_STA_PS_STA)) + atomic_dec(&sdata->u.mesh.ps.num_sta_ps); + WARN_ON(__sta_info_destroy(sta)); } } @@ -992,6 +1002,8 @@ static void clear_sta_ps_flags(void *_sta) if (sdata->vif.type == NL80211_IFTYPE_AP || sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ps = &sdata->bss->ps; + else if (ieee80211_vif_is_mesh(&sdata->vif)) + ps = &sdata->u.mesh.ps; else return; @@ -1109,6 +1121,8 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata, drv_allow_buffered_frames(local, sta, BIT(tid), 1, reason, false); + skb->dev = sdata->dev; + rcu_read_lock(); chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); if (WARN_ON(!chanctx_conf)) { diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index af7d78aa5523..63dfdb5e91da 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -56,6 +56,8 @@ * @WLAN_STA_INSERTED: This station is inserted into the hash table. * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station. * @WLAN_STA_TOFFSET_KNOWN: toffset calculated for this station is valid. + * @WLAN_STA_MPSP_OWNER: local STA is owner of a mesh Peer Service Period. + * @WLAN_STA_MPSP_RECIPIENT: local STA is recipient of a MPSP. */ enum ieee80211_sta_info_flags { WLAN_STA_AUTH, @@ -78,6 +80,8 @@ enum ieee80211_sta_info_flags { WLAN_STA_INSERTED, WLAN_STA_RATE_CONTROL, WLAN_STA_TOFFSET_KNOWN, + WLAN_STA_MPSP_OWNER, + WLAN_STA_MPSP_RECIPIENT, }; #define ADDBA_RESP_INTERVAL HZ @@ -282,6 +286,9 @@ struct sta_ampdu_mlme { * @t_offset_setpoint: reference timing offset of this sta to be used when * calculating clockdrift * @ch_width: peer's channel width + * @local_pm: local link-specific power save mode + * @peer_pm: peer-specific power save mode towards local STA + * @nonpeer_pm: STA power save mode towards non-peer neighbors * @debugfs: debug filesystem info * @dead: set to true when sta is unlinked * @uploaded: set to true when sta is uploaded to the driver @@ -289,8 +296,9 @@ struct sta_ampdu_mlme { * @sta: station information we share with the driver * @sta_state: duplicates information about station state (for debug) * @beacon_loss_count: number of times beacon loss has triggered - * @supports_40mhz: tracks whether the station advertised 40 MHz support - * as we overwrite its HT parameters with the currently used value + * @rcu_head: RCU head used for freeing this station struct + * @cur_max_bandwidth: maximum bandwidth to use for TX to the station, + * taken from HT/VHT capabilities or VHT operating mode notification */ struct sta_info { /* General information, mostly static */ @@ -379,6 +387,10 @@ struct sta_info { s64 t_offset; s64 t_offset_setpoint; enum nl80211_chan_width ch_width; + /* mesh power save */ + enum nl80211_mesh_power_mode local_pm; + enum nl80211_mesh_power_mode peer_pm; + enum nl80211_mesh_power_mode nonpeer_pm; #endif #ifdef CONFIG_MAC80211_DEBUGFS @@ -388,11 +400,11 @@ struct sta_info { } debugfs; #endif + enum ieee80211_sta_rx_bandwidth cur_max_bandwidth; + unsigned int lost_packets; unsigned int beacon_loss_count; - bool supports_40mhz; - /* keep last! */ struct ieee80211_sta sta; }; diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 07d99578a2b1..43439203f4e4 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -335,7 +335,8 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, if (dropped) acked = false; - if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { + if (info->flags & (IEEE80211_TX_INTFL_NL80211_FRAME_TX | + IEEE80211_TX_INTFL_MLME_CONN_TX)) { struct ieee80211_sub_if_data *sdata = NULL; struct ieee80211_sub_if_data *iter_sdata; u64 cookie = (unsigned long)skb; @@ -357,10 +358,13 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, sdata = rcu_dereference(local->p2p_sdata); } - if (!sdata) + if (!sdata) { skb->dev = NULL; - else if (ieee80211_is_nullfunc(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control)) { + } else if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) { + ieee80211_mgd_conn_tx_status(sdata, hdr->frame_control, + acked); + } else if (ieee80211_is_nullfunc(hdr->frame_control) || + ieee80211_is_qos_nullfunc(hdr->frame_control)) { cfg80211_probe_status(sdata->dev, hdr->addr1, cookie, acked, GFP_ATOMIC); } else { @@ -468,6 +472,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) return; } + /* mesh Peer Service Period support */ + if (ieee80211_vif_is_mesh(&sta->sdata->vif) && + ieee80211_is_data_qos(fc)) + ieee80211_mpsp_trigger_process( + ieee80211_get_qos_ctl(hdr), + sta, true, acked); + if ((local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) && (rates_idx != -1)) sta->last_tx_rate = info->status.rates[rates_idx]; @@ -502,11 +513,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) IEEE80211_BAR_CTRL_TID_INFO_MASK) >> IEEE80211_BAR_CTRL_TID_INFO_SHIFT; - if (local->hw.flags & - IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL) - ieee80211_stop_tx_ba_session(&sta->sta, tid); - else - ieee80211_set_bar_pending(sta, tid, ssn); + ieee80211_set_bar_pending(sta, tid, ssn); } } diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c index 57e14d59e12f..3ed801d90f1e 100644 --- a/net/mac80211/tkip.c +++ b/net/mac80211/tkip.c @@ -177,12 +177,11 @@ void ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *keyconf, struct ieee80211_key *key = (struct ieee80211_key *) container_of(keyconf, struct ieee80211_key, conf); struct tkip_ctx *ctx = &key->u.tkip.tx; - unsigned long flags; - spin_lock_irqsave(&key->u.tkip.txlock, flags); + spin_lock_bh(&key->u.tkip.txlock); ieee80211_compute_tkip_p1k(key, iv32); memcpy(p1k, ctx->p1k, sizeof(ctx->p1k)); - spin_unlock_irqrestore(&key->u.tkip.txlock, flags); + spin_unlock_bh(&key->u.tkip.txlock); } EXPORT_SYMBOL(ieee80211_get_tkip_p1k_iv); @@ -208,12 +207,11 @@ void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf, const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); u32 iv32 = get_unaligned_le32(&data[4]); u16 iv16 = data[2] | (data[0] << 8); - unsigned long flags; - spin_lock_irqsave(&key->u.tkip.txlock, flags); + spin_lock_bh(&key->u.tkip.txlock); ieee80211_compute_tkip_p1k(key, iv32); tkip_mixing_phase2(tk, ctx, iv16, p2k); - spin_unlock_irqrestore(&key->u.tkip.txlock, flags); + spin_unlock_bh(&key->u.tkip.txlock); } EXPORT_SYMBOL(ieee80211_get_tkip_p2k); diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 6ca53d64cb28..1183c4a4fee5 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -36,7 +36,7 @@ __entry->control_freq = (c)->chan->center_freq; \ __entry->chan_width = (c)->width; \ __entry->center_freq1 = (c)->center_freq1; \ - __entry->center_freq1 = (c)->center_freq2; + __entry->center_freq2 = (c)->center_freq2; #define CHANDEF_PR_FMT " control:%d MHz width:%d center: %d/%d MHz" #define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \ __entry->center_freq1, __entry->center_freq2 @@ -340,6 +340,7 @@ TRACE_EVENT(drv_bss_info_changed, __field(u16, assoc_cap) __field(u64, sync_tsf) __field(u32, sync_device_ts) + __field(u8, sync_dtim_count) __field(u32, basic_rates) __array(int, mcast_rate, IEEE80211_NUM_BANDS) __field(u16, ht_operation_mode) @@ -379,6 +380,7 @@ TRACE_EVENT(drv_bss_info_changed, __entry->assoc_cap = info->assoc_capability; __entry->sync_tsf = info->sync_tsf; __entry->sync_device_ts = info->sync_device_ts; + __entry->sync_dtim_count = info->sync_dtim_count; __entry->basic_rates = info->basic_rates; memcpy(__entry->mcast_rate, info->mcast_rate, sizeof(__entry->mcast_rate)); @@ -1860,6 +1862,25 @@ TRACE_EVENT(drv_set_default_unicast_key, LOCAL_PR_ARG, VIF_PR_ARG, __entry->key_idx) ); +TRACE_EVENT(api_radar_detected, + TP_PROTO(struct ieee80211_local *local), + + TP_ARGS(local), + + TP_STRUCT__entry( + LOCAL_ENTRY + ), + + TP_fast_assign( + LOCAL_ASSIGN; + ), + + TP_printk( + LOCAL_PR_FMT " radar detected", + LOCAL_PR_ARG + ) +); + #ifdef CONFIG_MAC80211_MESSAGE_TRACING #undef TRACE_SYSTEM #define TRACE_SYSTEM mac80211_msg diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index a2cb6a302cc7..fe644f91ae05 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -329,6 +329,8 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) if (sdata->vif.type == NL80211_IFTYPE_AP) ps = &sdata->u.ap.ps; + else if (ieee80211_vif_is_mesh(&sdata->vif)) + ps = &sdata->u.mesh.ps; else continue; @@ -372,18 +374,20 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) /* * broadcast/multicast frame * - * If any of the associated stations is in power save mode, + * If any of the associated/peer stations is in power save mode, * the frame is buffered to be sent after DTIM beacon frame. * This is done either by the hardware or us. */ - /* powersaving STAs currently only in AP/VLAN mode */ + /* powersaving STAs currently only in AP/VLAN/mesh mode */ if (tx->sdata->vif.type == NL80211_IFTYPE_AP || tx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { if (!tx->sdata->bss) return TX_CONTINUE; ps = &tx->sdata->bss->ps; + } else if (ieee80211_vif_is_mesh(&tx->sdata->vif)) { + ps = &tx->sdata->u.mesh.ps; } else { return TX_CONTINUE; } @@ -594,7 +598,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) break; } - if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED)) + if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED && + !ieee80211_is_deauth(hdr->frame_control))) return TX_DROP; if (!skip_hw && tx->key && @@ -1225,6 +1230,21 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local, spin_lock_irqsave(&local->queue_stop_reason_lock, flags); if (local->queue_stop_reasons[q] || (!txpending && !skb_queue_empty(&local->pending[q]))) { + if (unlikely(info->flags & + IEEE80211_TX_INTFL_OFFCHAN_TX_OK && + local->queue_stop_reasons[q] & + ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) { + /* + * Drop off-channel frames if queues are stopped + * for any reason other than off-channel + * operation. Never queue them. + */ + spin_unlock_irqrestore( + &local->queue_stop_reason_lock, flags); + ieee80211_purge_tx_queue(&local->hw, skbs); + return true; + } + /* * Since queue is stopped, queue up frames for later * transmission from the tx-pending tasklet when the @@ -1472,12 +1492,14 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, hdr = (struct ieee80211_hdr *) skb->data; info->control.vif = &sdata->vif; - if (ieee80211_vif_is_mesh(&sdata->vif) && - ieee80211_is_data(hdr->frame_control) && - !is_multicast_ether_addr(hdr->addr1) && - mesh_nexthop_resolve(skb, sdata)) { - /* skb queued: don't free */ - return; + if (ieee80211_vif_is_mesh(&sdata->vif)) { + if (ieee80211_is_data(hdr->frame_control) && + is_unicast_ether_addr(hdr->addr1)) { + if (mesh_nexthop_resolve(skb, sdata)) + return; /* skb queued: don't free */ + } else { + ieee80211_mps_set_frame_flags(sdata, NULL, hdr); + } } ieee80211_set_qos_hdr(sdata, skb); @@ -2342,11 +2364,9 @@ static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata, if (local->tim_in_locked_section) { __ieee80211_beacon_add_tim(sdata, ps, skb); } else { - unsigned long flags; - - spin_lock_irqsave(&local->tim_lock, flags); + spin_lock(&local->tim_lock); __ieee80211_beacon_add_tim(sdata, ps, skb); - spin_unlock_irqrestore(&local->tim_lock, flags); + spin_unlock(&local->tim_lock); } return 0; @@ -2424,66 +2444,26 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); } else if (ieee80211_vif_is_mesh(&sdata->vif)) { - struct ieee80211_mgmt *mgmt; struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; - u8 *pos; - int hdr_len = offsetof(struct ieee80211_mgmt, u.beacon) + - sizeof(mgmt->u.beacon); + struct beacon_data *bcn = rcu_dereference(ifmsh->beacon); -#ifdef CONFIG_MAC80211_MESH - if (!sdata->u.mesh.mesh_id_len) + if (!bcn) goto out; -#endif if (ifmsh->sync_ops) ifmsh->sync_ops->adjust_tbtt( sdata); skb = dev_alloc_skb(local->tx_headroom + - hdr_len + - 2 + /* NULL SSID */ - 2 + 8 + /* supported rates */ - 2 + 3 + /* DS params */ - 2 + (IEEE80211_MAX_SUPP_RATES - 8) + - 2 + sizeof(struct ieee80211_ht_cap) + - 2 + sizeof(struct ieee80211_ht_operation) + - 2 + sdata->u.mesh.mesh_id_len + - 2 + sizeof(struct ieee80211_meshconf_ie) + - sdata->u.mesh.ie_len); + bcn->head_len + + 256 + /* TIM IE */ + bcn->tail_len); if (!skb) goto out; - - skb_reserve(skb, local->hw.extra_tx_headroom); - mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); - memset(mgmt, 0, hdr_len); - mgmt->frame_control = - cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); - eth_broadcast_addr(mgmt->da); - memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); - memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); - mgmt->u.beacon.beacon_int = - cpu_to_le16(sdata->vif.bss_conf.beacon_int); - mgmt->u.beacon.capab_info |= cpu_to_le16( - sdata->u.mesh.security ? WLAN_CAPABILITY_PRIVACY : 0); - - pos = skb_put(skb, 2); - *pos++ = WLAN_EID_SSID; - *pos++ = 0x0; - - band = chanctx_conf->def.chan->band; - - if (ieee80211_add_srates_ie(sdata, skb, true, band) || - mesh_add_ds_params_ie(skb, sdata) || - ieee80211_add_ext_srates_ie(sdata, skb, true, band) || - mesh_add_rsn_ie(skb, sdata) || - mesh_add_ht_cap_ie(skb, sdata) || - mesh_add_ht_oper_ie(skb, sdata) || - mesh_add_meshid_ie(skb, sdata) || - mesh_add_meshconf_ie(skb, sdata) || - mesh_add_vendor_ies(skb, sdata)) { - pr_err("o11s: couldn't add ies!\n"); - goto out; - } + skb_reserve(skb, local->tx_headroom); + memcpy(skb_put(skb, bcn->head_len), bcn->head, bcn->head_len); + ieee80211_beacon_add_tim(sdata, &ifmsh->ps, skb); + memcpy(skb_put(skb, bcn->tail_len), bcn->tail, bcn->tail_len); } else { WARN_ON(1); goto out; @@ -2733,6 +2713,8 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, goto out; ps = &sdata->u.ap.ps; + } else if (ieee80211_vif_is_mesh(&sdata->vif)) { + ps = &sdata->u.mesh.ps; } else { goto out; } @@ -2756,6 +2738,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, cpu_to_le16(IEEE80211_FCTL_MOREDATA); } + sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev); if (!ieee80211_tx_prepare(sdata, &tx, skb)) break; dev_kfree_skb_any(skb); @@ -2788,6 +2771,8 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, skb_set_queue_mapping(skb, ac); skb->priority = tid; + skb->dev = sdata->dev; + /* * The other path calling ieee80211_xmit is from the tasklet, * and while we can handle concurrent transmissions locking diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7519018ff71a..0f38f43ac62e 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -739,11 +739,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, if (calc_crc) crc = crc32_be(crc, pos - 2, elen + 2); - if (pos[3] == 1) { - /* OUI Type 1 - WPA IE */ - elems->wpa = pos; - elems->wpa_len = elen; - } else if (elen >= 5 && pos[3] == 2) { + if (elen >= 5 && pos[3] == 2) { /* OUI Type 2 - WMM IE */ if (pos[4] == 0) { elems->wmm_info = pos; @@ -791,6 +787,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, else elem_parse_failed = true; break; + case WLAN_EID_OPMODE_NOTIF: + if (elen > 0) + elems->opmode_notif = pos; + else + elem_parse_failed = true; + break; case WLAN_EID_MESH_ID: elems->mesh_id = pos; elems->mesh_id_len = elen; @@ -805,6 +807,10 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, elems->peering = pos; elems->peering_len = elen; break; + case WLAN_EID_MESH_AWAKE_WINDOW: + if (elen >= 2) + elems->awake_window = (void *)pos; + break; case WLAN_EID_PREQ: elems->preq = pos; elems->preq_len = elen; @@ -1029,8 +1035,9 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local, void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, u16 status, - u8 *extra, size_t extra_len, const u8 *da, - const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx) + const u8 *extra, size_t extra_len, const u8 *da, + const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx, + u32 tx_flags) { struct ieee80211_local *local = sdata->local; struct sk_buff *skb; @@ -1063,7 +1070,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, WARN_ON(err); } - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | + tx_flags; ieee80211_tx_skb(sdata, skb); } @@ -1277,7 +1285,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, const u8 *ssid, size_t ssid_len, const u8 *ie, size_t ie_len, - u32 ratemask, bool directed, bool no_cck, + u32 ratemask, bool directed, u32 tx_flags, struct ieee80211_channel *channel, bool scan) { struct sk_buff *skb; @@ -1286,9 +1294,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, ssid, ssid_len, ie, ie_len, directed); if (skb) { - if (no_cck) - IEEE80211_SKB_CB(skb)->flags |= - IEEE80211_TX_CTL_NO_CCK_RATE; + IEEE80211_SKB_CB(skb)->flags |= tx_flags; if (scan) ieee80211_tx_skb_tid_band(sdata, skb, 7, channel->band); else @@ -1538,6 +1544,10 @@ int ieee80211_reconfig(struct ieee80211_local *local) changed |= BSS_CHANGED_ASSOC | BSS_CHANGED_ARP_FILTER | BSS_CHANGED_PS; + + if (sdata->u.mgd.dtim_period) + changed |= BSS_CHANGED_DTIM_PERIOD; + mutex_lock(&sdata->u.mgd.mtx); ieee80211_bss_info_change_notify(sdata, changed); mutex_unlock(&sdata->u.mgd.mtx); @@ -1937,7 +1947,7 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, } void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, - struct ieee80211_ht_operation *ht_oper, + const struct ieee80211_ht_operation *ht_oper, struct cfg80211_chan_def *chandef) { enum nl80211_channel_type channel_type; @@ -2125,3 +2135,49 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, return ts; } + +void ieee80211_dfs_cac_cancel(struct ieee80211_local *local) +{ + struct ieee80211_sub_if_data *sdata; + + mutex_lock(&local->iflist_mtx); + list_for_each_entry(sdata, &local->interfaces, list) { + cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); + + if (sdata->wdev.cac_started) { + ieee80211_vif_release_channel(sdata); + cfg80211_cac_event(sdata->dev, + NL80211_RADAR_CAC_ABORTED, + GFP_KERNEL); + } + } + mutex_unlock(&local->iflist_mtx); +} + +void ieee80211_dfs_radar_detected_work(struct work_struct *work) +{ + struct ieee80211_local *local = + container_of(work, struct ieee80211_local, radar_detected_work); + struct cfg80211_chan_def chandef; + + ieee80211_dfs_cac_cancel(local); + + if (local->use_chanctx) + /* currently not handled */ + WARN_ON(1); + else { + cfg80211_chandef_create(&chandef, local->hw.conf.channel, + local->hw.conf.channel_type); + cfg80211_radar_event(local->hw.wiphy, &chandef, GFP_KERNEL); + } +} + +void ieee80211_radar_detected(struct ieee80211_hw *hw) +{ + struct ieee80211_local *local = hw_to_local(hw); + + trace_api_radar_detected(local); + + ieee80211_queue_work(hw, &local->radar_detected_work); +} +EXPORT_SYMBOL(ieee80211_radar_detected); diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index f311388aeedf..a2c2258bc84e 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -10,21 +10,29 @@ #include <linux/export.h> #include <net/mac80211.h> #include "ieee80211_i.h" +#include "rate.h" -void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, - struct ieee80211_supported_band *sband, - struct ieee80211_vht_cap *vht_cap_ie, - struct ieee80211_sta_vht_cap *vht_cap) +void +ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, + struct ieee80211_supported_band *sband, + const struct ieee80211_vht_cap *vht_cap_ie, + struct sta_info *sta) { - if (WARN_ON_ONCE(!vht_cap)) - return; + struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap; memset(vht_cap, 0, sizeof(*vht_cap)); + if (!sta->sta.ht_cap.ht_supported) + return; + if (!vht_cap_ie || !sband->vht_cap.vht_supported) return; + /* A VHT STA must support 40 MHz */ + if (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + return; + vht_cap->vht_supported = true; vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info); @@ -32,4 +40,156 @@ void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, /* Copy peer MCS info, the driver might need them. */ memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs, sizeof(struct ieee80211_vht_mcs_info)); + + switch (vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { + case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: + case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160; + break; + default: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80; + } + + sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta); +} + +enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + u32 cap = sta->sta.vht_cap.cap; + enum ieee80211_sta_rx_bandwidth bw; + + if (!sta->sta.vht_cap.vht_supported) { + bw = sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? + IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20; + goto check_max; + } + + switch (sdata->vif.bss_conf.chandef.width) { + default: + WARN_ON_ONCE(1); + /* fall through */ + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + case NL80211_CHAN_WIDTH_40: + bw = sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? + IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20; + break; + case NL80211_CHAN_WIDTH_160: + if ((cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ) { + bw = IEEE80211_STA_RX_BW_160; + break; + } + /* fall through */ + case NL80211_CHAN_WIDTH_80P80: + if ((cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) { + bw = IEEE80211_STA_RX_BW_160; + break; + } + /* fall through */ + case NL80211_CHAN_WIDTH_80: + bw = IEEE80211_STA_RX_BW_80; + } + + check_max: + if (bw > sta->cur_max_bandwidth) + bw = sta->cur_max_bandwidth; + return bw; +} + +void ieee80211_sta_set_rx_nss(struct sta_info *sta) +{ + u8 ht_rx_nss = 0, vht_rx_nss = 0; + + /* if we received a notification already don't overwrite it */ + if (sta->sta.rx_nss) + return; + + if (sta->sta.ht_cap.ht_supported) { + if (sta->sta.ht_cap.mcs.rx_mask[0]) + ht_rx_nss++; + if (sta->sta.ht_cap.mcs.rx_mask[1]) + ht_rx_nss++; + if (sta->sta.ht_cap.mcs.rx_mask[2]) + ht_rx_nss++; + if (sta->sta.ht_cap.mcs.rx_mask[3]) + ht_rx_nss++; + /* FIXME: consider rx_highest? */ + } + + if (sta->sta.vht_cap.vht_supported) { + int i; + u16 rx_mcs_map; + + rx_mcs_map = le16_to_cpu(sta->sta.vht_cap.vht_mcs.rx_mcs_map); + + for (i = 7; i >= 0; i--) { + u8 mcs = (rx_mcs_map >> (2 * i)) & 3; + + if (mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED) { + vht_rx_nss = i + 1; + break; + } + } + /* FIXME: consider rx_highest? */ + } + + ht_rx_nss = max(ht_rx_nss, vht_rx_nss); + sta->sta.rx_nss = max_t(u8, 1, ht_rx_nss); +} + +void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, u8 opmode, + enum ieee80211_band band, bool nss_only) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; + enum ieee80211_sta_rx_bandwidth new_bw; + u32 changed = 0; + u8 nss; + + sband = local->hw.wiphy->bands[band]; + + /* ignore - no support for BF yet */ + if (opmode & IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF) + return; + + nss = opmode & IEEE80211_OPMODE_NOTIF_RX_NSS_MASK; + nss >>= IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; + nss += 1; + + if (sta->sta.rx_nss != nss) { + sta->sta.rx_nss = nss; + changed |= IEEE80211_RC_NSS_CHANGED; + } + + if (nss_only) + goto change; + + switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) { + case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20; + break; + case IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_40; + break; + case IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80; + break; + case IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: + sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160; + break; + } + + new_bw = ieee80211_sta_cur_vht_bw(sta); + if (new_bw != sta->sta.bandwidth) { + sta->sta.bandwidth = new_bw; + changed |= IEEE80211_RC_NSS_CHANGED; + } + + change: + if (changed) + rate_control_rate_update(local, sband, sta, changed); } diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 906f00cd6d2f..afba19cb6f87 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -191,6 +191,15 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, /* qos header is 2 bytes */ *p++ = ack_policy | tid; - *p = ieee80211_vif_is_mesh(&sdata->vif) ? - (IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8) : 0; + if (ieee80211_vif_is_mesh(&sdata->vif)) { + /* preserve RSPI and Mesh PS Level bit */ + *p &= ((IEEE80211_QOS_CTL_RSPI | + IEEE80211_QOS_CTL_MESH_PS_LEVEL) >> 8); + + /* Nulls don't have a mesh header (frame body) */ + if (!ieee80211_is_qos_nullfunc(hdr->frame_control)) + *p |= (IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8); + } else { + *p = 0; + } } diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index c175ee866ff4..c7c6d644486f 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -181,7 +181,6 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_key *key = tx->key; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - unsigned long flags; unsigned int hdrlen; int len, tail; u8 *pos; @@ -216,12 +215,12 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) return 0; /* Increase IV for the frame */ - spin_lock_irqsave(&key->u.tkip.txlock, flags); + spin_lock(&key->u.tkip.txlock); key->u.tkip.tx.iv16++; if (key->u.tkip.tx.iv16 == 0) key->u.tkip.tx.iv32++; pos = ieee80211_tkip_add_iv(pos, key); - spin_unlock_irqrestore(&key->u.tkip.txlock, flags); + spin_unlock(&key->u.tkip.txlock); /* hwaccel - with software IV */ if (info->control.hw_key) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 85bc75c38dea..746f5a2f9804 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -549,14 +549,13 @@ int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len) pr_err("No LLCP device\n"); return -ENODEV; } + if (gb_len < 3) + return -EINVAL; memset(local->remote_gb, 0, NFC_MAX_GT_LEN); memcpy(local->remote_gb, gb, gb_len); local->remote_gb_len = gb_len; - if (local->remote_gb == NULL || local->remote_gb_len == 0) - return -ENODEV; - if (memcmp(local->remote_gb, llcp_magic, 3)) { pr_err("MAC does not support LLCP\n"); return -EINVAL; diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 396373f3ec26..fd556ac05fdb 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -147,6 +147,32 @@ static void chandef_primary_freqs(const struct cfg80211_chan_def *c, } } +static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c) +{ + int width; + + switch (c->width) { + case NL80211_CHAN_WIDTH_20: + case NL80211_CHAN_WIDTH_20_NOHT: + width = 20; + break; + case NL80211_CHAN_WIDTH_40: + width = 40; + break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_80: + width = 80; + break; + case NL80211_CHAN_WIDTH_160: + width = 160; + break; + default: + WARN_ON_ONCE(1); + return -1; + } + return width; +} + const struct cfg80211_chan_def * cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1, const struct cfg80211_chan_def *c2) @@ -192,6 +218,93 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1, } EXPORT_SYMBOL(cfg80211_chandef_compatible); +static void cfg80211_set_chans_dfs_state(struct wiphy *wiphy, u32 center_freq, + u32 bandwidth, + enum nl80211_dfs_state dfs_state) +{ + struct ieee80211_channel *c; + u32 freq; + + for (freq = center_freq - bandwidth/2 + 10; + freq <= center_freq + bandwidth/2 - 10; + freq += 20) { + c = ieee80211_get_channel(wiphy, freq); + if (!c || !(c->flags & IEEE80211_CHAN_RADAR)) + continue; + + c->dfs_state = dfs_state; + c->dfs_state_entered = jiffies; + } +} + +void cfg80211_set_dfs_state(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef, + enum nl80211_dfs_state dfs_state) +{ + int width; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return; + + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return; + + cfg80211_set_chans_dfs_state(wiphy, chandef->center_freq1, + width, dfs_state); + + if (!chandef->center_freq2) + return; + cfg80211_set_chans_dfs_state(wiphy, chandef->center_freq2, + width, dfs_state); +} + +static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy, + u32 center_freq, + u32 bandwidth) +{ + struct ieee80211_channel *c; + u32 freq; + + for (freq = center_freq - bandwidth/2 + 10; + freq <= center_freq + bandwidth/2 - 10; + freq += 20) { + c = ieee80211_get_channel(wiphy, freq); + if (!c) + return -EINVAL; + + if (c->flags & IEEE80211_CHAN_RADAR) + return 1; + } + return 0; +} + + +int cfg80211_chandef_dfs_required(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) +{ + int width; + int r; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return -EINVAL; + + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return -EINVAL; + + r = cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq1, + width); + if (r) + return r; + + if (!chandef->center_freq2) + return 0; + + return cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq2, + width); +} + static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, u32 center_freq, u32 bandwidth, u32 prohibited_flags) @@ -203,7 +316,16 @@ static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, freq <= center_freq + bandwidth/2 - 10; freq += 20) { c = ieee80211_get_channel(wiphy, freq); - if (!c || c->flags & prohibited_flags) + if (!c) + return false; + + /* check for radar flags */ + if ((prohibited_flags & c->flags & IEEE80211_CHAN_RADAR) && + (c->dfs_state != NL80211_DFS_AVAILABLE)) + return false; + + /* check for the other flags */ + if (c->flags & prohibited_flags & ~IEEE80211_CHAN_RADAR) return false; } @@ -253,6 +375,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, case NL80211_CHAN_WIDTH_80: if (!vht_cap->vht_supported) return false; + prohibited_flags |= IEEE80211_CHAN_NO_80MHZ; width = 80; break; case NL80211_CHAN_WIDTH_160: @@ -260,6 +383,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, return false; if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ)) return false; + prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; width = 160; break; default: @@ -267,7 +391,16 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, return false; } - /* TODO: missing regulatory check on 80/160 bandwidth */ + /* + * TODO: What if there are only certain 80/160/80+80 MHz channels + * allowed by the driver, or only certain combinations? + * For 40 MHz the driver can set the NO_HT40 flags, but for + * 80/160 MHz and in particular 80+80 MHz this isn't really + * feasible and we only have NO_80MHZ/NO_160MHZ so far but + * no way to cover 80+80 MHz or more complex restrictions. + * Note that such restrictions also need to be advertised to + * userspace, for example for P2P channel selection. + */ if (width > 20) prohibited_flags |= IEEE80211_CHAN_NO_OFDM; @@ -344,7 +477,10 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - if (wdev->beacon_interval) { + if (wdev->cac_started) { + *chan = wdev->channel; + *chanmode = CHAN_MODE_SHARED; + } else if (wdev->beacon_interval) { *chan = wdev->channel; *chanmode = CHAN_MODE_SHARED; } diff --git a/net/wireless/core.c b/net/wireless/core.c index 40dbe37cfbf6..5ffff039b017 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -324,6 +324,8 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) INIT_LIST_HEAD(&rdev->bss_list); INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done); INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results); + INIT_DELAYED_WORK(&rdev->dfs_update_channels_wk, + cfg80211_dfs_channels_update_work); #ifdef CONFIG_CFG80211_WEXT rdev->wiphy.wext = &cfg80211_wext_handler; #endif @@ -365,7 +367,8 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) rdev->wiphy.rts_threshold = (u32) -1; rdev->wiphy.coverage_class = 0; - rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH; + rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH | + NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; return &rdev->wiphy; } @@ -695,6 +698,7 @@ void wiphy_unregister(struct wiphy *wiphy) flush_work(&rdev->scan_done_wk); cancel_work_sync(&rdev->conn_work); flush_work(&rdev->event_work); + cancel_delayed_work_sync(&rdev->dfs_update_channels_wk); if (rdev->wowlan && rdev->ops->set_wakeup) rdev_set_wakeup(rdev, false); @@ -715,7 +719,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev) kfree(reg); } list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list) - cfg80211_put_bss(&scan->pub); + cfg80211_put_bss(&rdev->wiphy, &scan->pub); kfree(rdev); } diff --git a/net/wireless/core.h b/net/wireless/core.h index 8396f7671c8d..3aec0e429d8a 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -8,7 +8,6 @@ #include <linux/mutex.h> #include <linux/list.h> #include <linux/netdevice.h> -#include <linux/kref.h> #include <linux/rbtree.h> #include <linux/debugfs.h> #include <linux/rfkill.h> @@ -87,6 +86,8 @@ struct cfg80211_registered_device { struct cfg80211_wowlan *wowlan; + struct delayed_work dfs_update_channels_wk; + /* must be last because of the way we do wiphy_priv(), * and it should at least be aligned to NETDEV_ALIGN */ struct wiphy wiphy __aligned(NETDEV_ALIGN); @@ -109,6 +110,9 @@ cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) for (i = 0; i < rdev->wowlan->n_patterns; i++) kfree(rdev->wowlan->patterns[i].mask); kfree(rdev->wowlan->patterns); + if (rdev->wowlan->tcp && rdev->wowlan->tcp->sock) + sock_release(rdev->wowlan->tcp->sock); + kfree(rdev->wowlan->tcp); kfree(rdev->wowlan); } @@ -124,9 +128,10 @@ static inline void assert_cfg80211_lock(void) struct cfg80211_internal_bss { struct list_head list; + struct list_head hidden_list; struct rb_node rbn; unsigned long ts; - struct kref ref; + unsigned long refcount; atomic_t hold; /* must be last because of priv member */ @@ -428,6 +433,22 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, enum cfg80211_chan_mode chanmode, u8 radar_detect); +/** + * cfg80211_chandef_dfs_required - checks if radar detection is required + * @wiphy: the wiphy to validate against + * @chandef: the channel definition to check + * Return: 1 if radar detection is required, 0 if it is not, < 0 on error + */ +int cfg80211_chandef_dfs_required(struct wiphy *wiphy, + const struct cfg80211_chan_def *c); + +void cfg80211_set_dfs_state(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef, + enum nl80211_dfs_state dfs_state); + +void cfg80211_dfs_channels_update_work(struct work_struct *work); + + static inline int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, @@ -454,6 +475,16 @@ cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, chan, chanmode, 0); } +static inline unsigned int elapsed_jiffies_msecs(unsigned long start) +{ + unsigned long end = jiffies; + + if (end >= start) + return jiffies_to_msecs(end - start); + + return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); +} + void cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 9b9551e4a6f9..d80e47194d49 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -37,7 +37,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); } cfg80211_hold_bss(bss_from_pub(bss)); @@ -182,7 +182,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); } wdev->current_bss = NULL; diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 461e692cdfec..caddca35d686 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -58,7 +58,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, */ if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && cfg80211_sme_failed_reassoc(wdev)) { - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); goto out; } @@ -70,7 +70,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, * do not call connect_result() now because the * sme will schedule work that does it later. */ - cfg80211_put_bss(bss); + cfg80211_put_bss(wiphy, bss); goto out; } @@ -108,7 +108,7 @@ void __cfg80211_send_deauth(struct net_device *dev, if (wdev->current_bss && ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wiphy, &wdev->current_bss->pub); wdev->current_bss = NULL; was_current = true; } @@ -164,7 +164,7 @@ void __cfg80211_send_disassoc(struct net_device *dev, ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { cfg80211_sme_disassoc(dev, wdev->current_bss); cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wiphy, &wdev->current_bss->pub); wdev->current_bss = NULL; } else WARN_ON(1); @@ -324,7 +324,7 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, err = rdev_auth(rdev, dev, &req); out: - cfg80211_put_bss(req.bss); + cfg80211_put_bss(&rdev->wiphy, req.bss); return err; } @@ -432,7 +432,7 @@ out: if (err) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; - cfg80211_put_bss(req.bss); + cfg80211_put_bss(&rdev->wiphy, req.bss); } return err; @@ -514,7 +514,7 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, if (wdev->sme_state != CFG80211_SME_CONNECTED) return -ENOTCONN; - if (WARN_ON(!wdev->current_bss)) + if (WARN(!wdev->current_bss, "sme_state=%d\n", wdev->sme_state)) return -ENOTCONN; memset(&req, 0, sizeof(req)); @@ -572,7 +572,7 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(&rdev->wiphy, &wdev->current_bss->pub); wdev->current_bss = NULL; } } @@ -987,3 +987,123 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); } EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); + +void cfg80211_dfs_channels_update_work(struct work_struct *work) +{ + struct delayed_work *delayed_work; + struct cfg80211_registered_device *rdev; + struct cfg80211_chan_def chandef; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *c; + struct wiphy *wiphy; + bool check_again = false; + unsigned long timeout, next_time = 0; + int bandid, i; + + delayed_work = container_of(work, struct delayed_work, work); + rdev = container_of(delayed_work, struct cfg80211_registered_device, + dfs_update_channels_wk); + wiphy = &rdev->wiphy; + + mutex_lock(&cfg80211_mutex); + for (bandid = 0; bandid < IEEE80211_NUM_BANDS; bandid++) { + sband = wiphy->bands[bandid]; + if (!sband) + continue; + + for (i = 0; i < sband->n_channels; i++) { + c = &sband->channels[i]; + + if (c->dfs_state != NL80211_DFS_UNAVAILABLE) + continue; + + timeout = c->dfs_state_entered + + IEEE80211_DFS_MIN_NOP_TIME_MS; + + if (time_after_eq(jiffies, timeout)) { + c->dfs_state = NL80211_DFS_USABLE; + cfg80211_chandef_create(&chandef, c, + NL80211_CHAN_NO_HT); + + nl80211_radar_notify(rdev, &chandef, + NL80211_RADAR_NOP_FINISHED, + NULL, GFP_ATOMIC); + continue; + } + + if (!check_again) + next_time = timeout - jiffies; + else + next_time = min(next_time, timeout - jiffies); + check_again = true; + } + } + mutex_unlock(&cfg80211_mutex); + + /* reschedule if there are other channels waiting to be cleared again */ + if (check_again) + queue_delayed_work(cfg80211_wq, &rdev->dfs_update_channels_wk, + next_time); +} + + +void cfg80211_radar_event(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + unsigned long timeout; + + trace_cfg80211_radar_event(wiphy, chandef); + + /* only set the chandef supplied channel to unavailable, in + * case the radar is detected on only one of multiple channels + * spanned by the chandef. + */ + cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_UNAVAILABLE); + + timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_NOP_TIME_MS); + queue_delayed_work(cfg80211_wq, &rdev->dfs_update_channels_wk, + timeout); + + nl80211_radar_notify(rdev, chandef, NL80211_RADAR_DETECTED, NULL, gfp); +} +EXPORT_SYMBOL(cfg80211_radar_event); + +void cfg80211_cac_event(struct net_device *netdev, + enum nl80211_radar_event event, gfp_t gfp) +{ + struct wireless_dev *wdev = netdev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_chan_def chandef; + unsigned long timeout; + + trace_cfg80211_cac_event(netdev, event); + + if (WARN_ON(!wdev->cac_started)) + return; + + if (WARN_ON(!wdev->channel)) + return; + + cfg80211_chandef_create(&chandef, wdev->channel, NL80211_CHAN_NO_HT); + + switch (event) { + case NL80211_RADAR_CAC_FINISHED: + timeout = wdev->cac_start_time + + msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); + WARN_ON(!time_after_eq(jiffies, timeout)); + cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_AVAILABLE); + break; + case NL80211_RADAR_CAC_ABORTED: + break; + default: + WARN_ON(1); + return; + } + wdev->cac_started = false; + + nl80211_radar_notify(rdev, &chandef, event, netdev, gfp); +} +EXPORT_SYMBOL(cfg80211_cac_event); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b5978ab4ad7a..580ffeaef3d5 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -19,6 +19,7 @@ #include <net/genetlink.h> #include <net/cfg80211.h> #include <net/sock.h> +#include <net/inet_connection_sock.h> #include "core.h" #include "nl80211.h" #include "reg.h" @@ -367,6 +368,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, + [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, + [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, }; /* policy for the key attributes */ @@ -399,6 +402,26 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, + [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, +}; + +static const struct nla_policy +nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { + [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, + [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, + [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, + [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, + [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, + [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, + [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { + .len = sizeof(struct nl80211_wowlan_tcp_data_seq) + }, + [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { + .len = sizeof(struct nl80211_wowlan_tcp_data_token) + }, + [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, + [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, + [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, }; /* policy for GTK rekey offload attributes */ @@ -531,8 +554,27 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_RADAR) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) + if (chan->flags & IEEE80211_CHAN_RADAR) { + u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered); + if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) + goto nla_put_failure; + if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, + chan->dfs_state)) + goto nla_put_failure; + if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time)) + goto nla_put_failure; + } + if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) goto nla_put_failure; if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, @@ -872,6 +914,48 @@ nla_put_failure: return -ENOBUFS; } +#ifdef CONFIG_PM +static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) +{ + const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp; + struct nlattr *nl_tcp; + + if (!tcp) + return 0; + + nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); + if (!nl_tcp) + return -ENOBUFS; + + if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, + tcp->data_payload_max)) + return -ENOBUFS; + + if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, + tcp->data_payload_max)) + return -ENOBUFS; + + if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) + return -ENOBUFS; + + if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, + sizeof(*tcp->tok), tcp->tok)) + return -ENOBUFS; + + if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, + tcp->data_interval_max)) + return -ENOBUFS; + + if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, + tcp->wake_payload_max)) + return -ENOBUFS; + + nla_nest_end(msg, nl_tcp); + return 0; +} +#endif + static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *dev) { @@ -1238,12 +1322,17 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag dev->wiphy.wowlan.pattern_min_len, .max_pattern_len = dev->wiphy.wowlan.pattern_max_len, + .max_pkt_offset = + dev->wiphy.wowlan.max_pkt_offset, }; if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, sizeof(pat), &pat)) goto nla_put_failure; } + if (nl80211_send_wowlan_tcp_caps(dev, msg)) + goto nla_put_failure; + nla_nest_end(msg, nl_wowlan); } #endif @@ -1276,6 +1365,15 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag dev->wiphy.max_acl_mac_addrs)) goto nla_put_failure; + if (dev->wiphy.extended_capabilities && + (nla_put(msg, NL80211_ATTR_EXT_CAPA, + dev->wiphy.extended_capabilities_len, + dev->wiphy.extended_capabilities) || + nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, + dev->wiphy.extended_capabilities_len, + dev->wiphy.extended_capabilities_mask))) + goto nla_put_failure; + return genlmsg_end(msg, hdr); nla_put_failure: @@ -2707,6 +2805,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_ap_settings params; int err; + u8 radar_detect_width = 0; if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) @@ -2825,9 +2924,19 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) return -EINVAL; + err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); + if (err < 0) + return err; + if (err) { + radar_detect_width = BIT(params.chandef.width); + params.radar_required = true; + } + mutex_lock(&rdev->devlist_mtx); - err = cfg80211_can_use_chan(rdev, wdev, params.chandef.chan, - CHAN_MODE_SHARED); + err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, + params.chandef.chan, + CHAN_MODE_SHARED, + radar_detect_width); mutex_unlock(&rdev->devlist_mtx); if (err) @@ -3057,12 +3166,22 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, sinfo->inactive_time)) goto nla_put_failure; - if ((sinfo->filled & STATION_INFO_RX_BYTES) && + if ((sinfo->filled & (STATION_INFO_RX_BYTES | + STATION_INFO_RX_BYTES64)) && nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, - sinfo->rx_bytes)) + (u32)sinfo->rx_bytes)) goto nla_put_failure; - if ((sinfo->filled & STATION_INFO_TX_BYTES) && + if ((sinfo->filled & (STATION_INFO_TX_BYTES | + NL80211_STA_INFO_TX_BYTES64)) && nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, + (u32)sinfo->tx_bytes)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_RX_BYTES64) && + nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, + sinfo->rx_bytes)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_TX_BYTES64) && + nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, sinfo->tx_bytes)) goto nla_put_failure; if ((sinfo->filled & STATION_INFO_LLID) && @@ -3290,6 +3409,63 @@ static struct net_device *get_vlan(struct genl_info *info, return ERR_PTR(ret); } +static struct nla_policy +nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { + [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, + [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, +}; + +static int nl80211_set_station_tdls(struct genl_info *info, + struct station_parameters *params) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct nlattr *tb[NL80211_STA_WME_MAX + 1]; + struct nlattr *nla; + int err; + + /* Can only set if TDLS ... */ + if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) + return -EOPNOTSUPP; + + /* ... with external setup is supported */ + if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) + return -EOPNOTSUPP; + + /* Dummy STA entry gets updated once the peer capabilities are known */ + if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) + params->ht_capa = + nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); + if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) + params->vht_capa = + nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); + + /* parse WME attributes if present */ + if (!info->attrs[NL80211_ATTR_STA_WME]) + return 0; + + nla = info->attrs[NL80211_ATTR_STA_WME]; + err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, + nl80211_sta_wme_policy); + if (err) + return err; + + if (tb[NL80211_STA_WME_UAPSD_QUEUES]) + params->uapsd_queues = nla_get_u8( + tb[NL80211_STA_WME_UAPSD_QUEUES]); + if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) + return -EINVAL; + + if (tb[NL80211_STA_WME_MAX_SP]) + params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); + + if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) + return -EINVAL; + + params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; + + return 0; +} + static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -3318,8 +3494,20 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); } - if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL] || - info->attrs[NL80211_ATTR_HT_CAPABILITY]) + if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { + params.capability = + nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); + params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; + } + + if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { + params.ext_capab = + nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); + params.ext_capab_len = + nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); + } + + if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) return -EINVAL; if (!rdev->ops->change_station) @@ -3388,6 +3576,13 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) /* reject other things that can't change */ if (params.supported_rates) return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) + return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) + return -EINVAL; + if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || + info->attrs[NL80211_ATTR_VHT_CAPABILITY]) + return -EINVAL; /* must be last in here for error handling */ params.vlan = get_vlan(info, rdev); @@ -3403,13 +3598,29 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) * to change the flag. */ params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); - /* fall through */ + /* Include parameters for TDLS peer (driver will check) */ + err = nl80211_set_station_tdls(info, ¶ms); + if (err) + return err; + /* disallow things sta doesn't support */ + if (params.plink_action) + return -EINVAL; + if (params.local_pm) + return -EINVAL; + /* reject any changes other than AUTHORIZED or WME (for TDLS) */ + if (params.sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | + BIT(NL80211_STA_FLAG_WME))) + return -EINVAL; + break; case NL80211_IFTYPE_ADHOC: /* disallow things sta doesn't support */ if (params.plink_action) return -EINVAL; if (params.local_pm) return -EINVAL; + if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || + info->attrs[NL80211_ATTR_VHT_CAPABILITY]) + return -EINVAL; /* reject any changes other than AUTHORIZED */ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) return -EINVAL; @@ -3420,6 +3631,13 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) return -EINVAL; if (params.supported_rates) return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) + return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) + return -EINVAL; + if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || + info->attrs[NL80211_ATTR_VHT_CAPABILITY]) + return -EINVAL; /* * No special handling for TDLS here -- the userspace * mesh code doesn't have this bug. @@ -3444,12 +3662,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) return err; } -static struct nla_policy -nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { - [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, - [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, -}; - static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -3484,6 +3696,19 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) if (!params.aid || params.aid > IEEE80211_MAX_AID) return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { + params.capability = + nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); + params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; + } + + if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { + params.ext_capab = + nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); + params.ext_capab_len = + nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); + } + if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) params.ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); @@ -4977,6 +5202,54 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb, return err; } +static int nl80211_start_radar_detection(struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_chan_def chandef; + int err; + + err = nl80211_parse_chandef(rdev, info, &chandef); + if (err) + return err; + + if (wdev->cac_started) + return -EBUSY; + + err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); + if (err < 0) + return err; + + if (err == 0) + return -EINVAL; + + if (chandef.chan->dfs_state != NL80211_DFS_USABLE) + return -EINVAL; + + if (!rdev->ops->start_radar_detection) + return -EOPNOTSUPP; + + mutex_lock(&rdev->devlist_mtx); + err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, + chandef.chan, CHAN_MODE_SHARED, + BIT(chandef.width)); + if (err) + goto err_locked; + + err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); + if (!err) { + wdev->channel = chandef.chan; + wdev->cac_started = true; + wdev->cac_start_time = jiffies; + } +err_locked: + mutex_unlock(&rdev->devlist_mtx); + + return err; +} + static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, u32 seq, int flags, struct cfg80211_registered_device *rdev, @@ -4987,6 +5260,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, const struct cfg80211_bss_ies *ies; void *hdr; struct nlattr *bss; + bool tsf = false; ASSERT_WDEV_LOCK(wdev); @@ -5010,22 +5284,24 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, rcu_read_lock(); ies = rcu_dereference(res->ies); - if (ies && ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, - ies->len, ies->data)) { - rcu_read_unlock(); - goto nla_put_failure; + if (ies) { + if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) + goto fail_unlock_rcu; + tsf = true; + if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, + ies->len, ies->data)) + goto fail_unlock_rcu; } ies = rcu_dereference(res->beacon_ies); - if (ies && ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, - ies->len, ies->data)) { - rcu_read_unlock(); - goto nla_put_failure; + if (ies) { + if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) + goto fail_unlock_rcu; + if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, + ies->len, ies->data)) + goto fail_unlock_rcu; } rcu_read_unlock(); - if (res->tsf && - nla_put_u64(msg, NL80211_BSS_TSF, res->tsf)) - goto nla_put_failure; if (res->beacon_interval && nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) goto nla_put_failure; @@ -5070,6 +5346,8 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, return genlmsg_end(msg, hdr); + fail_unlock_rcu: + rcu_read_unlock(); nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; @@ -6880,16 +7158,100 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) } #ifdef CONFIG_PM +static int nl80211_send_wowlan_patterns(struct sk_buff *msg, + struct cfg80211_registered_device *rdev) +{ + struct nlattr *nl_pats, *nl_pat; + int i, pat_len; + + if (!rdev->wowlan->n_patterns) + return 0; + + nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); + if (!nl_pats) + return -ENOBUFS; + + for (i = 0; i < rdev->wowlan->n_patterns; i++) { + nl_pat = nla_nest_start(msg, i + 1); + if (!nl_pat) + return -ENOBUFS; + pat_len = rdev->wowlan->patterns[i].pattern_len; + if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK, + DIV_ROUND_UP(pat_len, 8), + rdev->wowlan->patterns[i].mask) || + nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN, + pat_len, rdev->wowlan->patterns[i].pattern) || + nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET, + rdev->wowlan->patterns[i].pkt_offset)) + return -ENOBUFS; + nla_nest_end(msg, nl_pat); + } + nla_nest_end(msg, nl_pats); + + return 0; +} + +static int nl80211_send_wowlan_tcp(struct sk_buff *msg, + struct cfg80211_wowlan_tcp *tcp) +{ + struct nlattr *nl_tcp; + + if (!tcp) + return 0; + + nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); + if (!nl_tcp) + return -ENOBUFS; + + if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || + nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || + nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || + nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || + nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || + nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, + tcp->payload_len, tcp->payload) || + nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, + tcp->data_interval) || + nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, + tcp->wake_len, tcp->wake_data) || + nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, + DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) + return -ENOBUFS; + + if (tcp->payload_seq.len && + nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, + sizeof(tcp->payload_seq), &tcp->payload_seq)) + return -ENOBUFS; + + if (tcp->payload_tok.len && + nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, + sizeof(tcp->payload_tok) + tcp->tokens_size, + &tcp->payload_tok)) + return -ENOBUFS; + + return 0; +} + static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct sk_buff *msg; void *hdr; + u32 size = NLMSG_DEFAULT_SIZE; - if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) + if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns && + !rdev->wiphy.wowlan.tcp) return -EOPNOTSUPP; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (rdev->wowlan && rdev->wowlan->tcp) { + /* adjust size to have room for all the data */ + size += rdev->wowlan->tcp->tokens_size + + rdev->wowlan->tcp->payload_len + + rdev->wowlan->tcp->wake_len + + rdev->wowlan->tcp->wake_len / 8; + } + + msg = nlmsg_new(size, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -6920,31 +7282,12 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) (rdev->wowlan->rfkill_release && nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) goto nla_put_failure; - if (rdev->wowlan->n_patterns) { - struct nlattr *nl_pats, *nl_pat; - int i, pat_len; - nl_pats = nla_nest_start(msg, - NL80211_WOWLAN_TRIG_PKT_PATTERN); - if (!nl_pats) - goto nla_put_failure; + if (nl80211_send_wowlan_patterns(msg, rdev)) + goto nla_put_failure; - for (i = 0; i < rdev->wowlan->n_patterns; i++) { - nl_pat = nla_nest_start(msg, i + 1); - if (!nl_pat) - goto nla_put_failure; - pat_len = rdev->wowlan->patterns[i].pattern_len; - if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK, - DIV_ROUND_UP(pat_len, 8), - rdev->wowlan->patterns[i].mask) || - nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN, - pat_len, - rdev->wowlan->patterns[i].pattern)) - goto nla_put_failure; - nla_nest_end(msg, nl_pat); - } - nla_nest_end(msg, nl_pats); - } + if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp)) + goto nla_put_failure; nla_nest_end(msg, nl_wowlan); } @@ -6957,6 +7300,150 @@ nla_put_failure: return -ENOBUFS; } +static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, + struct nlattr *attr, + struct cfg80211_wowlan *trig) +{ + struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; + struct cfg80211_wowlan_tcp *cfg; + struct nl80211_wowlan_tcp_data_token *tok = NULL; + struct nl80211_wowlan_tcp_data_seq *seq = NULL; + u32 size; + u32 data_size, wake_size, tokens_size = 0, wake_mask_size; + int err, port; + + if (!rdev->wiphy.wowlan.tcp) + return -EINVAL; + + err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, + nla_data(attr), nla_len(attr), + nl80211_wowlan_tcp_policy); + if (err) + return err; + + if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || + !tb[NL80211_WOWLAN_TCP_DST_IPV4] || + !tb[NL80211_WOWLAN_TCP_DST_MAC] || + !tb[NL80211_WOWLAN_TCP_DST_PORT] || + !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || + !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || + !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || + !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) + return -EINVAL; + + data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); + if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max) + return -EINVAL; + + if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > + rdev->wiphy.wowlan.tcp->data_interval_max) + return -EINVAL; + + wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); + if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max) + return -EINVAL; + + wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); + if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) + return -EINVAL; + + if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { + u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); + + tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); + tokens_size = tokln - sizeof(*tok); + + if (!tok->len || tokens_size % tok->len) + return -EINVAL; + if (!rdev->wiphy.wowlan.tcp->tok) + return -EINVAL; + if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len) + return -EINVAL; + if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len) + return -EINVAL; + if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize) + return -EINVAL; + if (tok->offset + tok->len > data_size) + return -EINVAL; + } + + if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { + seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); + if (!rdev->wiphy.wowlan.tcp->seq) + return -EINVAL; + if (seq->len == 0 || seq->len > 4) + return -EINVAL; + if (seq->len + seq->offset > data_size) + return -EINVAL; + } + + size = sizeof(*cfg); + size += data_size; + size += wake_size + wake_mask_size; + size += tokens_size; + + cfg = kzalloc(size, GFP_KERNEL); + if (!cfg) + return -ENOMEM; + cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); + cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); + memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), + ETH_ALEN); + if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) + port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); + else + port = 0; +#ifdef CONFIG_INET + /* allocate a socket and port for it and use it */ + err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, + IPPROTO_TCP, &cfg->sock, 1); + if (err) { + kfree(cfg); + return err; + } + if (inet_csk_get_port(cfg->sock->sk, port)) { + sock_release(cfg->sock); + kfree(cfg); + return -EADDRINUSE; + } + cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; +#else + if (!port) { + kfree(cfg); + return -EINVAL; + } + cfg->src_port = port; +#endif + + cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); + cfg->payload_len = data_size; + cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; + memcpy((void *)cfg->payload, + nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), + data_size); + if (seq) + cfg->payload_seq = *seq; + cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); + cfg->wake_len = wake_size; + cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; + memcpy((void *)cfg->wake_data, + nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), + wake_size); + cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + + data_size + wake_size; + memcpy((void *)cfg->wake_mask, + nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), + wake_mask_size); + if (tok) { + cfg->tokens_size = tokens_size; + memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); + } + + trig->tcp = cfg; + + return 0; +} + static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -6967,7 +7454,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) int err, i; bool prev_enabled = rdev->wowlan; - if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) + if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns && + !rdev->wiphy.wowlan.tcp) return -EOPNOTSUPP; if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { @@ -7031,7 +7519,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { struct nlattr *pat; int n_patterns = 0; - int rem, pat_len, mask_len; + int rem, pat_len, mask_len, pkt_offset; struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], @@ -7066,6 +7554,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) pat_len < wowlan->pattern_min_len) goto error; + if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]) + pkt_offset = 0; + else + pkt_offset = nla_get_u32( + pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]); + if (pkt_offset > wowlan->max_pkt_offset) + goto error; + new_triggers.patterns[i].pkt_offset = pkt_offset; + new_triggers.patterns[i].mask = kmalloc(mask_len + pat_len, GFP_KERNEL); if (!new_triggers.patterns[i].mask) { @@ -7085,6 +7582,14 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) } } + if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { + err = nl80211_parse_wowlan_tcp( + rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], + &new_triggers); + if (err) + goto error; + } + ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); if (!ntrig) { err = -ENOMEM; @@ -7102,6 +7607,9 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) for (i = 0; i < new_triggers.n_patterns; i++) kfree(new_triggers.patterns[i].mask); kfree(new_triggers.patterns); + if (new_triggers.tcp && new_triggers.tcp->sock) + sock_release(new_triggers.tcp->sock); + kfree(new_triggers.tcp); return err; } #endif @@ -7992,6 +8500,14 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_RADAR_DETECT, + .doit = nl80211_start_radar_detection, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { @@ -9189,6 +9705,57 @@ nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev, } void +nl80211_radar_notify(struct cfg80211_registered_device *rdev, + struct cfg80211_chan_def *chandef, + enum nl80211_radar_event event, + struct net_device *netdev, gfp_t gfp) +{ + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); + if (!hdr) { + nlmsg_free(msg); + return; + } + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) + goto nla_put_failure; + + /* NOP and radar events don't need a netdev parameter */ + if (netdev) { + struct wireless_dev *wdev = netdev->ieee80211_ptr; + + if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) + goto nla_put_failure; + } + + if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) + goto nla_put_failure; + + if (nl80211_send_chandef(msg, chandef)) + goto nla_put_failure; + + if (genlmsg_end(msg, hdr) < 0) { + nlmsg_free(msg); + return; + } + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} + +void nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *peer, u32 num_packets, gfp_t gfp) @@ -9323,6 +9890,114 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_report_obss_beacon); +#ifdef CONFIG_PM +void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup, + gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct sk_buff *msg; + void *hdr; + int err, size = 200; + + trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); + + if (wakeup) + size += wakeup->packet_present_len; + + msg = nlmsg_new(size, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); + if (!hdr) + goto free_msg; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) + goto free_msg; + + if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + wdev->netdev->ifindex)) + goto free_msg; + + if (wakeup) { + struct nlattr *reasons; + + reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); + + if (wakeup->disconnect && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) + goto free_msg; + if (wakeup->magic_pkt && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) + goto free_msg; + if (wakeup->gtk_rekey_failure && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) + goto free_msg; + if (wakeup->eap_identity_req && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) + goto free_msg; + if (wakeup->four_way_handshake && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) + goto free_msg; + if (wakeup->rfkill_release && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) + goto free_msg; + + if (wakeup->pattern_idx >= 0 && + nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, + wakeup->pattern_idx)) + goto free_msg; + + if (wakeup->tcp_match) + nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); + + if (wakeup->tcp_connlost) + nla_put_flag(msg, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); + + if (wakeup->tcp_nomoretokens) + nla_put_flag(msg, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); + + if (wakeup->packet) { + u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; + u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; + + if (!wakeup->packet_80211) { + pkt_attr = + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; + len_attr = + NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; + } + + if (wakeup->packet_len && + nla_put_u32(msg, len_attr, wakeup->packet_len)) + goto free_msg; + + if (nla_put(msg, pkt_attr, wakeup->packet_present_len, + wakeup->packet)) + goto free_msg; + } + + nla_nest_end(msg, reasons); + } + + err = genlmsg_end(msg, hdr); + if (err < 0) + goto free_msg; + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + free_msg: + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); +#endif + void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper, u16 reason_code, gfp_t gfp) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 2acba8477e9d..b061da4919e1 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -108,6 +108,13 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, enum nl80211_cqm_rssi_threshold_event rssi_event, gfp_t gfp); + +void +nl80211_radar_notify(struct cfg80211_registered_device *rdev, + struct cfg80211_chan_def *chandef, + enum nl80211_radar_event event, + struct net_device *netdev, gfp_t gfp); + void nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *peer, diff --git a/net/wireless/reg.c b/net/wireless/reg.c index de02d633c212..98532c00242d 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -866,6 +866,10 @@ static void handle_channel(struct wiphy *wiphy, if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) bw_flags = IEEE80211_CHAN_NO_HT40; + if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80)) + bw_flags |= IEEE80211_CHAN_NO_80MHZ; + if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160)) + bw_flags |= IEEE80211_CHAN_NO_160MHZ; if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && request_wiphy && request_wiphy == wiphy && @@ -884,6 +888,9 @@ static void handle_channel(struct wiphy *wiphy, return; } + chan->dfs_state = NL80211_DFS_USABLE; + chan->dfs_state_entered = jiffies; + chan->beacon_found = false; chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); chan->max_antenna_gain = @@ -1261,6 +1268,10 @@ static void handle_channel_custom(struct wiphy *wiphy, if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) bw_flags = IEEE80211_CHAN_NO_HT40; + if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80)) + bw_flags |= IEEE80211_CHAN_NO_80MHZ; + if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160)) + bw_flags |= IEEE80211_CHAN_NO_160MHZ; chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain); @@ -2189,10 +2200,15 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) * However if a driver requested this specific regulatory * domain we keep it for its private use */ - if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER) + if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER) { + const struct ieee80211_regdomain *tmp; + + tmp = get_wiphy_regdom(request_wiphy); rcu_assign_pointer(request_wiphy->regd, rd); - else + rcu_free_regdom(tmp); + } else { kfree(rd); + } rd = NULL; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 45f1618c8e23..674aadca0079 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -19,55 +19,142 @@ #include "wext-compat.h" #include "rdev-ops.h" +/** + * DOC: BSS tree/list structure + * + * At the top level, the BSS list is kept in both a list in each + * registered device (@bss_list) as well as an RB-tree for faster + * lookup. In the RB-tree, entries can be looked up using their + * channel, MESHID, MESHCONF (for MBSSes) or channel, BSSID, SSID + * for other BSSes. + * + * Due to the possibility of hidden SSIDs, there's a second level + * structure, the "hidden_list" and "hidden_beacon_bss" pointer. + * The hidden_list connects all BSSes belonging to a single AP + * that has a hidden SSID, and connects beacon and probe response + * entries. For a probe response entry for a hidden SSID, the + * hidden_beacon_bss pointer points to the BSS struct holding the + * beacon's information. + * + * Reference counting is done for all these references except for + * the hidden_list, so that a beacon BSS struct that is otherwise + * not referenced has one reference for being on the bss_list and + * one for each probe response entry that points to it using the + * hidden_beacon_bss pointer. When a BSS struct that has such a + * pointer is get/put, the refcount update is also propagated to + * the referenced struct, this ensure that it cannot get removed + * while somebody is using the probe response version. + * + * Note that the hidden_beacon_bss pointer never changes, due to + * the reference counting. Therefore, no locking is needed for + * it. + * + * Also note that the hidden_beacon_bss pointer is only relevant + * if the driver uses something other than the IEs, e.g. private + * data stored stored in the BSS struct, since the beacon IEs are + * also linked into the probe response struct. + */ + #define IEEE80211_SCAN_RESULT_EXPIRE (30 * HZ) -static void bss_release(struct kref *ref) +static void bss_free(struct cfg80211_internal_bss *bss) { struct cfg80211_bss_ies *ies; - struct cfg80211_internal_bss *bss; - - bss = container_of(ref, struct cfg80211_internal_bss, ref); if (WARN_ON(atomic_read(&bss->hold))) return; - if (bss->pub.free_priv) - bss->pub.free_priv(&bss->pub); - ies = (void *)rcu_access_pointer(bss->pub.beacon_ies); - if (ies) + if (ies && !bss->pub.hidden_beacon_bss) kfree_rcu(ies, rcu_head); ies = (void *)rcu_access_pointer(bss->pub.proberesp_ies); if (ies) kfree_rcu(ies, rcu_head); + /* + * This happens when the module is removed, it doesn't + * really matter any more save for completeness + */ + if (!list_empty(&bss->hidden_list)) + list_del(&bss->hidden_list); + kfree(bss); } -/* must hold dev->bss_lock! */ -static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, +static inline void bss_ref_get(struct cfg80211_registered_device *dev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&dev->bss_lock); + + bss->refcount++; + if (bss->pub.hidden_beacon_bss) { + bss = container_of(bss->pub.hidden_beacon_bss, + struct cfg80211_internal_bss, + pub); + bss->refcount++; + } +} + +static inline void bss_ref_put(struct cfg80211_registered_device *dev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&dev->bss_lock); + + if (bss->pub.hidden_beacon_bss) { + struct cfg80211_internal_bss *hbss; + hbss = container_of(bss->pub.hidden_beacon_bss, + struct cfg80211_internal_bss, + pub); + hbss->refcount--; + if (hbss->refcount == 0) + bss_free(hbss); + } + bss->refcount--; + if (bss->refcount == 0) + bss_free(bss); +} + +static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, struct cfg80211_internal_bss *bss) { + lockdep_assert_held(&dev->bss_lock); + + if (!list_empty(&bss->hidden_list)) { + /* + * don't remove the beacon entry if it has + * probe responses associated with it + */ + if (!bss->pub.hidden_beacon_bss) + return false; + /* + * if it's a probe response entry break its + * link to the other entries in the group + */ + list_del_init(&bss->hidden_list); + } + list_del_init(&bss->list); rb_erase(&bss->rbn, &dev->bss_tree); - kref_put(&bss->ref, bss_release); + bss_ref_put(dev, bss); + return true; } -/* must hold dev->bss_lock! */ static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev, unsigned long expire_time) { struct cfg80211_internal_bss *bss, *tmp; bool expired = false; + lockdep_assert_held(&dev->bss_lock); + list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) { if (atomic_read(&bss->hold)) continue; if (!time_after(expire_time, bss->ts)) continue; - __cfg80211_unlink_bss(dev, bss); - expired = true; + if (__cfg80211_unlink_bss(dev, bss)) + expired = true; } if (expired) @@ -234,15 +321,16 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, return 0; } -/* must hold dev->bss_lock! */ void cfg80211_bss_age(struct cfg80211_registered_device *dev, unsigned long age_secs) { struct cfg80211_internal_bss *bss; unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC); + spin_lock_bh(&dev->bss_lock); list_for_each_entry(bss, &dev->bss_list, list) bss->ts -= age_jiffies; + spin_unlock_bh(&dev->bss_lock); } void cfg80211_bss_expire(struct cfg80211_registered_device *dev) @@ -277,40 +365,24 @@ const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, if (!pos) return NULL; - if (end - pos < sizeof(*ie)) - return NULL; - ie = (struct ieee80211_vendor_ie *)pos; + + /* make sure we can access ie->len */ + BUILD_BUG_ON(offsetof(struct ieee80211_vendor_ie, len) != 1); + + if (ie->len < sizeof(*ie)) + goto cont; + ie_oui = ie->oui[0] << 16 | ie->oui[1] << 8 | ie->oui[2]; if (ie_oui == oui && ie->oui_type == oui_type) return pos; - +cont: pos += 2 + ie->len; } return NULL; } EXPORT_SYMBOL(cfg80211_find_vendor_ie); -static int cmp_ies(u8 num, const u8 *ies1, int len1, const u8 *ies2, int len2) -{ - const u8 *ie1 = cfg80211_find_ie(num, ies1, len1); - const u8 *ie2 = cfg80211_find_ie(num, ies2, len2); - - /* equal if both missing */ - if (!ie1 && !ie2) - return 0; - /* sort missing IE before (left of) present IE */ - if (!ie1) - return -1; - if (!ie2) - return 1; - - /* sort by length first, then by contents */ - if (ie1[1] != ie2[1]) - return ie2[1] - ie1[1]; - return memcmp(ie1 + 2, ie2 + 2, ie1[1]); -} - static bool is_bss(struct cfg80211_bss *a, const u8 *bssid, const u8 *ssid, size_t ssid_len) { @@ -334,109 +406,30 @@ static bool is_bss(struct cfg80211_bss *a, const u8 *bssid, return memcmp(ssidie + 2, ssid, ssid_len) == 0; } -static bool is_mesh_bss(struct cfg80211_bss *a) -{ - const struct cfg80211_bss_ies *ies; - const u8 *ie; - - if (!WLAN_CAPABILITY_IS_STA_BSS(a->capability)) - return false; - - ies = rcu_access_pointer(a->ies); - if (!ies) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_ID, ies->data, ies->len); - if (!ie) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, ies->data, ies->len); - if (!ie) - return false; - - return true; -} - -static bool is_mesh(struct cfg80211_bss *a, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg) -{ - const struct cfg80211_bss_ies *ies; - const u8 *ie; - - if (!WLAN_CAPABILITY_IS_STA_BSS(a->capability)) - return false; - - ies = rcu_access_pointer(a->ies); - if (!ies) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_ID, ies->data, ies->len); - if (!ie) - return false; - if (ie[1] != meshidlen) - return false; - if (memcmp(ie + 2, meshid, meshidlen)) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, ies->data, ies->len); - if (!ie) - return false; - if (ie[1] != sizeof(struct ieee80211_meshconf_ie)) - return false; - - /* - * Ignore mesh capability (last two bytes of the IE) when - * comparing since that may differ between stations taking - * part in the same mesh. - */ - return memcmp(ie + 2, meshcfg, - sizeof(struct ieee80211_meshconf_ie) - 2) == 0; -} +/** + * enum bss_compare_mode - BSS compare mode + * @BSS_CMP_REGULAR: regular compare mode (for insertion and normal find) + * @BSS_CMP_HIDE_ZLEN: find hidden SSID with zero-length mode + * @BSS_CMP_HIDE_NUL: find hidden SSID with NUL-ed out mode + */ +enum bss_compare_mode { + BSS_CMP_REGULAR, + BSS_CMP_HIDE_ZLEN, + BSS_CMP_HIDE_NUL, +}; -static int cmp_bss_core(struct cfg80211_bss *a, struct cfg80211_bss *b) +static int cmp_bss(struct cfg80211_bss *a, + struct cfg80211_bss *b, + enum bss_compare_mode mode) { const struct cfg80211_bss_ies *a_ies, *b_ies; - int r; + const u8 *ie1 = NULL; + const u8 *ie2 = NULL; + int i, r; if (a->channel != b->channel) return b->channel->center_freq - a->channel->center_freq; - if (is_mesh_bss(a) && is_mesh_bss(b)) { - a_ies = rcu_access_pointer(a->ies); - if (!a_ies) - return -1; - b_ies = rcu_access_pointer(b->ies); - if (!b_ies) - return 1; - - r = cmp_ies(WLAN_EID_MESH_ID, - a_ies->data, a_ies->len, - b_ies->data, b_ies->len); - if (r) - return r; - return cmp_ies(WLAN_EID_MESH_CONFIG, - a_ies->data, a_ies->len, - b_ies->data, b_ies->len); - } - - /* - * we can't use compare_ether_addr here since we need a < > operator. - * The binary return value of compare_ether_addr isn't enough - */ - return memcmp(a->bssid, b->bssid, sizeof(a->bssid)); -} - -static int cmp_bss(struct cfg80211_bss *a, - struct cfg80211_bss *b) -{ - const struct cfg80211_bss_ies *a_ies, *b_ies; - int r; - - r = cmp_bss_core(a, b); - if (r) - return r; - a_ies = rcu_access_pointer(a->ies); if (!a_ies) return -1; @@ -444,42 +437,51 @@ static int cmp_bss(struct cfg80211_bss *a, if (!b_ies) return 1; - return cmp_ies(WLAN_EID_SSID, - a_ies->data, a_ies->len, - b_ies->data, b_ies->len); -} - -static int cmp_hidden_bss(struct cfg80211_bss *a, struct cfg80211_bss *b) -{ - const struct cfg80211_bss_ies *a_ies, *b_ies; - const u8 *ie1; - const u8 *ie2; - int i; - int r; + if (WLAN_CAPABILITY_IS_STA_BSS(a->capability)) + ie1 = cfg80211_find_ie(WLAN_EID_MESH_ID, + a_ies->data, a_ies->len); + if (WLAN_CAPABILITY_IS_STA_BSS(b->capability)) + ie2 = cfg80211_find_ie(WLAN_EID_MESH_ID, + b_ies->data, b_ies->len); + if (ie1 && ie2) { + int mesh_id_cmp; + + if (ie1[1] == ie2[1]) + mesh_id_cmp = memcmp(ie1 + 2, ie2 + 2, ie1[1]); + else + mesh_id_cmp = ie2[1] - ie1[1]; + + ie1 = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, + a_ies->data, a_ies->len); + ie2 = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, + b_ies->data, b_ies->len); + if (ie1 && ie2) { + if (mesh_id_cmp) + return mesh_id_cmp; + if (ie1[1] != ie2[1]) + return ie2[1] - ie1[1]; + return memcmp(ie1 + 2, ie2 + 2, ie1[1]); + } + } - r = cmp_bss_core(a, b); + /* + * we can't use compare_ether_addr here since we need a < > operator. + * The binary return value of compare_ether_addr isn't enough + */ + r = memcmp(a->bssid, b->bssid, sizeof(a->bssid)); if (r) return r; - a_ies = rcu_access_pointer(a->ies); - if (!a_ies) - return -1; - b_ies = rcu_access_pointer(b->ies); - if (!b_ies) - return 1; - ie1 = cfg80211_find_ie(WLAN_EID_SSID, a_ies->data, a_ies->len); ie2 = cfg80211_find_ie(WLAN_EID_SSID, b_ies->data, b_ies->len); + if (!ie1 && !ie2) + return 0; + /* - * Key comparator must use same algorithm in any rb-tree - * search function (order is important), otherwise ordering - * of items in the tree is broken and search gives incorrect - * results. This code uses same order as cmp_ies() does. - * - * Note that due to the differring behaviour with hidden SSIDs - * this function only works when "b" is the tree element and - * "a" is the key we're looking for. + * Note that with "hide_ssid", the function returns a match if + * the already-present BSS ("b") is a hidden SSID beacon for + * the new BSS ("a"). */ /* sort missing IE before (left of) present IE */ @@ -488,24 +490,36 @@ static int cmp_hidden_bss(struct cfg80211_bss *a, struct cfg80211_bss *b) if (!ie2) return 1; - /* zero-size SSID is used as an indication of the hidden bss */ - if (!ie2[1]) + switch (mode) { + case BSS_CMP_HIDE_ZLEN: + /* + * In ZLEN mode we assume the BSS entry we're + * looking for has a zero-length SSID. So if + * the one we're looking at right now has that, + * return 0. Otherwise, return the difference + * in length, but since we're looking for the + * 0-length it's really equivalent to returning + * the length of the one we're looking at. + * + * No content comparison is needed as we assume + * the content length is zero. + */ + return ie2[1]; + case BSS_CMP_REGULAR: + default: + /* sort by length first, then by contents */ + if (ie1[1] != ie2[1]) + return ie2[1] - ie1[1]; + return memcmp(ie1 + 2, ie2 + 2, ie1[1]); + case BSS_CMP_HIDE_NUL: + if (ie1[1] != ie2[1]) + return ie2[1] - ie1[1]; + /* this is equivalent to memcmp(zeroes, ie2 + 2, len) */ + for (i = 0; i < ie2[1]; i++) + if (ie2[i + 2]) + return -1; return 0; - - /* sort by length first, then by contents */ - if (ie1[1] != ie2[1]) - return ie2[1] - ie1[1]; - - /* - * zeroed SSID ie is another indication of a hidden bss; - * if it isn't zeroed just return the regular sort value - * to find the next candidate - */ - for (i = 0; i < ie2[1]; i++) - if (ie2[i + 2]) - return memcmp(ie1 + 2, ie2 + 2, ie1[1]); - - return 0; + } } struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, @@ -534,7 +548,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, continue; if (is_bss(&bss->pub, bssid, ssid, ssid_len)) { res = bss; - kref_get(&res->ref); + bss_ref_get(dev, res); break; } } @@ -547,34 +561,6 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_get_bss); -struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg) -{ - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); - struct cfg80211_internal_bss *bss, *res = NULL; - - spin_lock_bh(&dev->bss_lock); - - list_for_each_entry(bss, &dev->bss_list, list) { - if (channel && bss->pub.channel != channel) - continue; - if (is_mesh(&bss->pub, meshid, meshidlen, meshcfg)) { - res = bss; - kref_get(&res->ref); - break; - } - } - - spin_unlock_bh(&dev->bss_lock); - if (!res) - return NULL; - return &res->pub; -} -EXPORT_SYMBOL(cfg80211_get_mesh); - - static void rb_insert_bss(struct cfg80211_registered_device *dev, struct cfg80211_internal_bss *bss) { @@ -587,7 +573,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *dev, parent = *p; tbss = rb_entry(parent, struct cfg80211_internal_bss, rbn); - cmp = cmp_bss(&bss->pub, &tbss->pub); + cmp = cmp_bss(&bss->pub, &tbss->pub, BSS_CMP_REGULAR); if (WARN_ON(!cmp)) { /* will sort of leak this BSS */ @@ -606,7 +592,8 @@ static void rb_insert_bss(struct cfg80211_registered_device *dev, static struct cfg80211_internal_bss * rb_find_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *res) + struct cfg80211_internal_bss *res, + enum bss_compare_mode mode) { struct rb_node *n = dev->bss_tree.rb_node; struct cfg80211_internal_bss *bss; @@ -614,7 +601,7 @@ rb_find_bss(struct cfg80211_registered_device *dev, while (n) { bss = rb_entry(n, struct cfg80211_internal_bss, rbn); - r = cmp_bss(&res->pub, &bss->pub); + r = cmp_bss(&res->pub, &bss->pub, mode); if (r == 0) return bss; @@ -627,46 +614,67 @@ rb_find_bss(struct cfg80211_registered_device *dev, return NULL; } -static struct cfg80211_internal_bss * -rb_find_hidden_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *res) +static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, + struct cfg80211_internal_bss *new) { - struct rb_node *n = dev->bss_tree.rb_node; + const struct cfg80211_bss_ies *ies; struct cfg80211_internal_bss *bss; - int r; + const u8 *ie; + int i, ssidlen; + u8 fold = 0; - while (n) { - bss = rb_entry(n, struct cfg80211_internal_bss, rbn); - r = cmp_hidden_bss(&res->pub, &bss->pub); + ies = rcu_access_pointer(new->pub.beacon_ies); + if (WARN_ON(!ies)) + return false; - if (r == 0) - return bss; - else if (r < 0) - n = n->rb_left; - else - n = n->rb_right; + ie = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len); + if (!ie) { + /* nothing to do */ + return true; } - return NULL; -} + ssidlen = ie[1]; + for (i = 0; i < ssidlen; i++) + fold |= ie[2 + i]; -static void -copy_hidden_ies(struct cfg80211_internal_bss *res, - struct cfg80211_internal_bss *hidden) -{ - const struct cfg80211_bss_ies *ies; + if (fold) { + /* not a hidden SSID */ + return true; + } - if (rcu_access_pointer(res->pub.beacon_ies)) - return; + /* This is the bad part ... */ - ies = rcu_access_pointer(hidden->pub.beacon_ies); - if (WARN_ON(!ies)) - return; + list_for_each_entry(bss, &dev->bss_list, list) { + if (!ether_addr_equal(bss->pub.bssid, new->pub.bssid)) + continue; + if (bss->pub.channel != new->pub.channel) + continue; + if (rcu_access_pointer(bss->pub.beacon_ies)) + continue; + ies = rcu_access_pointer(bss->pub.ies); + if (!ies) + continue; + ie = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len); + if (!ie) + continue; + if (ssidlen && ie[1] != ssidlen) + continue; + /* that would be odd ... */ + if (bss->pub.beacon_ies) + continue; + if (WARN_ON_ONCE(bss->pub.hidden_beacon_bss)) + continue; + if (WARN_ON_ONCE(!list_empty(&bss->hidden_list))) + list_del(&bss->hidden_list); + /* combine them */ + list_add(&bss->hidden_list, &new->hidden_list); + bss->pub.hidden_beacon_bss = &new->pub; + new->refcount += bss->refcount; + rcu_assign_pointer(bss->pub.beacon_ies, + new->pub.beacon_ies); + } - ies = kmemdup(ies, sizeof(*ies) + ies->len, GFP_ATOMIC); - if (unlikely(!ies)) - return; - rcu_assign_pointer(res->pub.beacon_ies, ies); + return true; } static struct cfg80211_internal_bss * @@ -687,11 +695,10 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, return NULL; } - found = rb_find_bss(dev, tmp); + found = rb_find_bss(dev, tmp, BSS_CMP_REGULAR); if (found) { found->pub.beacon_interval = tmp->pub.beacon_interval; - found->pub.tsf = tmp->pub.tsf; found->pub.signal = tmp->pub.signal; found->pub.capability = tmp->pub.capability; found->ts = tmp->ts; @@ -711,19 +718,45 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); } else if (rcu_access_pointer(tmp->pub.beacon_ies)) { - const struct cfg80211_bss_ies *old, *ies; + const struct cfg80211_bss_ies *old; + struct cfg80211_internal_bss *bss; + + if (found->pub.hidden_beacon_bss && + !list_empty(&found->hidden_list)) { + /* + * The found BSS struct is one of the probe + * response members of a group, but we're + * receiving a beacon (beacon_ies in the tmp + * bss is used). This can only mean that the + * AP changed its beacon from not having an + * SSID to showing it, which is confusing so + * drop this information. + */ + goto drop; + } old = rcu_access_pointer(found->pub.beacon_ies); - ies = rcu_access_pointer(found->pub.ies); rcu_assign_pointer(found->pub.beacon_ies, tmp->pub.beacon_ies); /* Override IEs if they were from a beacon before */ - if (old == ies) + if (old == rcu_access_pointer(found->pub.ies)) rcu_assign_pointer(found->pub.ies, tmp->pub.beacon_ies); + /* Assign beacon IEs to all sub entries */ + list_for_each_entry(bss, &found->hidden_list, + hidden_list) { + const struct cfg80211_bss_ies *ies; + + ies = rcu_access_pointer(bss->pub.beacon_ies); + WARN_ON(ies != old); + + rcu_assign_pointer(bss->pub.beacon_ies, + tmp->pub.beacon_ies); + } + if (old) kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); @@ -733,19 +766,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, struct cfg80211_internal_bss *hidden; struct cfg80211_bss_ies *ies; - /* First check if the beacon is a probe response from - * a hidden bss. If so, copy beacon ies (with nullified - * ssid) into the probe response bss entry (with real ssid). - * It is required basically for PSM implementation - * (probe responses do not contain tim ie) */ - - /* TODO: The code is not trying to update existing probe - * response bss entries when beacon ies are - * getting changed. */ - hidden = rb_find_hidden_bss(dev, tmp); - if (hidden) - copy_hidden_ies(tmp, hidden); - /* * create a copy -- the "res" variable that is passed in * is allocated on the stack since it's not needed in the @@ -760,21 +780,51 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, ies = (void *)rcu_dereference(tmp->pub.proberesp_ies); if (ies) kfree_rcu(ies, rcu_head); - spin_unlock_bh(&dev->bss_lock); - return NULL; + goto drop; } memcpy(new, tmp, sizeof(*new)); - kref_init(&new->ref); + new->refcount = 1; + INIT_LIST_HEAD(&new->hidden_list); + + if (rcu_access_pointer(tmp->pub.proberesp_ies)) { + hidden = rb_find_bss(dev, tmp, BSS_CMP_HIDE_ZLEN); + if (!hidden) + hidden = rb_find_bss(dev, tmp, + BSS_CMP_HIDE_NUL); + if (hidden) { + new->pub.hidden_beacon_bss = &hidden->pub; + list_add(&new->hidden_list, + &hidden->hidden_list); + hidden->refcount++; + rcu_assign_pointer(new->pub.beacon_ies, + hidden->pub.beacon_ies); + } + } else { + /* + * Ok so we found a beacon, and don't have an entry. If + * it's a beacon with hidden SSID, we might be in for an + * expensive search for any probe responses that should + * be grouped with this beacon for updates ... + */ + if (!cfg80211_combine_bsses(dev, new)) { + kfree(new); + goto drop; + } + } + list_add_tail(&new->list, &dev->bss_list); rb_insert_bss(dev, new); found = new; } dev->bss_generation++; + bss_ref_get(dev, found); spin_unlock_bh(&dev->bss_lock); - kref_get(&found->ref); return found; + drop: + spin_unlock_bh(&dev->bss_lock); + return NULL; } static struct ieee80211_channel * @@ -833,7 +883,6 @@ cfg80211_inform_bss(struct wiphy *wiphy, memcpy(tmp.pub.bssid, bssid, ETH_ALEN); tmp.pub.channel = channel; tmp.pub.signal = signal; - tmp.pub.tsf = tsf; tmp.pub.beacon_interval = beacon_interval; tmp.pub.capability = capability; /* @@ -841,16 +890,14 @@ cfg80211_inform_bss(struct wiphy *wiphy, * Response frame, we need to pick one of the options and only use it * with the driver that does not provide the full Beacon/Probe Response * frame. Use Beacon frame pointer to avoid indicating that this should - * override the iies pointer should we have received an earlier + * override the IEs pointer should we have received an earlier * indication of Probe Response data. - * - * The initial buffer for the IEs is allocated with the BSS entry and - * is located after the private area. */ ies = kmalloc(sizeof(*ies) + ielen, gfp); if (!ies) return NULL; ies->len = ielen; + ies->tsf = tsf; memcpy(ies->data, ie, ielen); rcu_assign_pointer(tmp.pub.beacon_ies, ies); @@ -907,6 +954,7 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, if (!ies) return NULL; ies->len = ielen; + ies->tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); memcpy(ies->data, mgmt->u.probe_resp.variable, ielen); if (ieee80211_is_probe_resp(mgmt->frame_control)) @@ -918,7 +966,6 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN); tmp.pub.channel = channel; tmp.pub.signal = signal; - tmp.pub.tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int); tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info); @@ -935,27 +982,35 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_inform_bss_frame); -void cfg80211_ref_bss(struct cfg80211_bss *pub) +void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) { + struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); struct cfg80211_internal_bss *bss; if (!pub) return; bss = container_of(pub, struct cfg80211_internal_bss, pub); - kref_get(&bss->ref); + + spin_lock_bh(&dev->bss_lock); + bss_ref_get(dev, bss); + spin_unlock_bh(&dev->bss_lock); } EXPORT_SYMBOL(cfg80211_ref_bss); -void cfg80211_put_bss(struct cfg80211_bss *pub) +void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) { + struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); struct cfg80211_internal_bss *bss; if (!pub) return; bss = container_of(pub, struct cfg80211_internal_bss, pub); - kref_put(&bss->ref, bss_release); + + spin_lock_bh(&dev->bss_lock); + bss_ref_put(dev, bss); + spin_unlock_bh(&dev->bss_lock); } EXPORT_SYMBOL(cfg80211_put_bss); @@ -971,8 +1026,8 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) spin_lock_bh(&dev->bss_lock); if (!list_empty(&bss->list)) { - __cfg80211_unlink_bss(dev, bss); - dev->bss_generation++; + if (__cfg80211_unlink_bss(dev, bss)) + dev->bss_generation++; } spin_unlock_bh(&dev->bss_lock); } @@ -1155,16 +1210,6 @@ static void ieee80211_scan_add_ies(struct iw_request_info *info, } } -static inline unsigned int elapsed_jiffies_msecs(unsigned long start) -{ - unsigned long end = jiffies; - - if (end >= start) - return jiffies_to_msecs(end - start); - - return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); -} - static char * ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, struct cfg80211_internal_bss *bss, char *current_ev, @@ -1241,15 +1286,10 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, rcu_read_lock(); ies = rcu_dereference(bss->pub.ies); - if (ies) { - rem = ies->len; - ie = ies->data; - } else { - rem = 0; - ie = NULL; - } + rem = ies->len; + ie = ies->data; - while (ies && rem >= 2) { + while (rem >= 2) { /* invalid data */ if (ie[1] > rem - 2) break; @@ -1362,7 +1402,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, if (buf) { memset(&iwe, 0, sizeof(iwe)); iwe.cmd = IWEVCUSTOM; - sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->pub.tsf)); + sprintf(buf, "tsf=%016llx", (unsigned long long)(ies->tsf)); iwe.u.data.length = strlen(buf); current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, buf); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index a825dfe12cf7..f432bd3755b1 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -301,7 +301,7 @@ static void __cfg80211_sme_scan_done(struct net_device *dev) bss = cfg80211_get_conn_bss(wdev); if (bss) { - cfg80211_put_bss(bss); + cfg80211_put_bss(&rdev->wiphy, bss); } else { /* not found */ if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) @@ -464,7 +464,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); wdev->current_bss = NULL; } @@ -480,7 +480,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, kfree(wdev->connect_keys); wdev->connect_keys = NULL; wdev->ssid_len = 0; - cfg80211_put_bss(bss); + cfg80211_put_bss(wdev->wiphy, bss); return; } @@ -586,7 +586,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, } cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); wdev->current_bss = NULL; cfg80211_hold_bss(bss_from_pub(bss)); @@ -621,7 +621,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, return; out: - cfg80211_put_bss(bss); + cfg80211_put_bss(wdev->wiphy, bss); } void cfg80211_roamed(struct net_device *dev, @@ -663,7 +663,7 @@ void cfg80211_roamed_bss(struct net_device *dev, ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp); if (!ev) { - cfg80211_put_bss(bss); + cfg80211_put_bss(wdev->wiphy, bss); return; } @@ -704,7 +704,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); + cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); } wdev->current_bss = NULL; @@ -875,7 +875,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, if (bss) { wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; err = cfg80211_conn_do_work(wdev); - cfg80211_put_bss(bss); + cfg80211_put_bss(wdev->wiphy, bss); } else { /* otherwise we'll need to scan for the AP first */ err = cfg80211_conn_scan(wdev); diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 1f6f01e2dc4c..238ee49b3868 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -106,9 +106,7 @@ static int wiphy_resume(struct device *dev) int ret = 0; /* Age scan results with time spent in suspend */ - spin_lock_bh(&rdev->bss_lock); cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at); - spin_unlock_bh(&rdev->bss_lock); if (rdev->ops->resume) { rtnl_lock(); diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 8bc553199686..b7a531380e19 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2051,6 +2051,21 @@ TRACE_EVENT(cfg80211_reg_can_beacon, WIPHY_PR_ARG, CHAN_DEF_PR_ARG) ); +TRACE_EVENT(cfg80211_chandef_dfs_required, + TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), + TP_ARGS(wiphy, chandef), + TP_STRUCT__entry( + WIPHY_ENTRY + CHAN_DEF_ENTRY + ), + TP_fast_assign( + WIPHY_ASSIGN; + CHAN_DEF_ASSIGN(chandef); + ), + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, + WIPHY_PR_ARG, CHAN_DEF_PR_ARG) +); + TRACE_EVENT(cfg80211_ch_switch_notify, TP_PROTO(struct net_device *netdev, struct cfg80211_chan_def *chandef), @@ -2067,6 +2082,36 @@ TRACE_EVENT(cfg80211_ch_switch_notify, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); +TRACE_EVENT(cfg80211_radar_event, + TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), + TP_ARGS(wiphy, chandef), + TP_STRUCT__entry( + WIPHY_ENTRY + CHAN_DEF_ENTRY + ), + TP_fast_assign( + WIPHY_ASSIGN; + CHAN_DEF_ASSIGN(chandef); + ), + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, + WIPHY_PR_ARG, CHAN_DEF_PR_ARG) +); + +TRACE_EVENT(cfg80211_cac_event, + TP_PROTO(struct net_device *netdev, enum nl80211_radar_event evt), + TP_ARGS(netdev, evt), + TP_STRUCT__entry( + NETDEV_ENTRY + __field(enum nl80211_radar_event, evt) + ), + TP_fast_assign( + NETDEV_ASSIGN; + __entry->evt = evt; + ), + TP_printk(NETDEV_PR_FMT ", event: %d", + NETDEV_PR_ARG, __entry->evt) +); + DECLARE_EVENT_CLASS(cfg80211_rx_evt, TP_PROTO(struct net_device *netdev, const u8 *addr), TP_ARGS(netdev, addr), @@ -2333,6 +2378,41 @@ TRACE_EVENT(cfg80211_return_u32, TP_printk("ret: %u", __entry->ret) ); +TRACE_EVENT(cfg80211_report_wowlan_wakeup, + TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_wowlan_wakeup *wakeup), + TP_ARGS(wiphy, wdev, wakeup), + TP_STRUCT__entry( + WIPHY_ENTRY + WDEV_ENTRY + __field(bool, disconnect) + __field(bool, magic_pkt) + __field(bool, gtk_rekey_failure) + __field(bool, eap_identity_req) + __field(bool, four_way_handshake) + __field(bool, rfkill_release) + __field(s32, pattern_idx) + __field(u32, packet_len) + __dynamic_array(u8, packet, wakeup->packet_present_len) + ), + TP_fast_assign( + WIPHY_ASSIGN; + WDEV_ASSIGN; + __entry->disconnect = wakeup->disconnect; + __entry->magic_pkt = wakeup->magic_pkt; + __entry->gtk_rekey_failure = wakeup->gtk_rekey_failure; + __entry->eap_identity_req = wakeup->eap_identity_req; + __entry->four_way_handshake = wakeup->four_way_handshake; + __entry->rfkill_release = wakeup->rfkill_release; + __entry->pattern_idx = wakeup->pattern_idx; + __entry->packet_len = wakeup->packet_len; + if (wakeup->packet && wakeup->packet_present_len) + memcpy(__get_dynamic_array(packet), wakeup->packet, + wakeup->packet_present_len); + ), + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH diff --git a/net/wireless/util.c b/net/wireless/util.c index d7873c7ae0ec..37a56ee1e1ed 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1217,10 +1217,10 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_DEVICE: case NL80211_IFTYPE_MONITOR: radar_required = false; break; - case NL80211_IFTYPE_P2P_DEVICE: case NUM_NL80211_IFTYPES: case NL80211_IFTYPE_UNSPECIFIED: default: |