diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex')
30 files changed, 1986 insertions, 352 deletions
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c index a5e182b5e944..fe8ebfebcc0e 100644 --- a/drivers/net/wireless/mwifiex/11n.c +++ b/drivers/net/wireless/mwifiex/11n.c @@ -350,25 +350,26 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, ret_len += sizeof(struct mwifiex_ie_types_htcap); } - if (bss_desc->bcn_ht_info) { + if (bss_desc->bcn_ht_oper) { if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { ht_info = (struct mwifiex_ie_types_htinfo *) *buffer; memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo)); ht_info->header.type = - cpu_to_le16(WLAN_EID_HT_INFORMATION); + cpu_to_le16(WLAN_EID_HT_OPERATION); ht_info->header.len = - cpu_to_le16(sizeof(struct ieee80211_ht_info)); + cpu_to_le16( + sizeof(struct ieee80211_ht_operation)); memcpy((u8 *) ht_info + sizeof(struct mwifiex_ie_types_header), - (u8 *) bss_desc->bcn_ht_info + + (u8 *) bss_desc->bcn_ht_oper + sizeof(struct ieee_types_header), le16_to_cpu(ht_info->header.len)); if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) - ht_info->ht_info.ht_param &= + ht_info->ht_oper.ht_param &= ~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY | IEEE80211_HT_PARAM_CHA_SEC_OFFSET); @@ -385,16 +386,16 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, sizeof(struct mwifiex_ie_types_chan_list_param_set) - sizeof(struct mwifiex_ie_types_header)); chan_list->chan_scan_param[0].chan_number = - bss_desc->bcn_ht_info->control_chan; + bss_desc->bcn_ht_oper->primary_chan; chan_list->chan_scan_param[0].radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 && - bss_desc->bcn_ht_info->ht_param & + bss_desc->bcn_ht_oper->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) SET_SECONDARYCHAN(chan_list->chan_scan_param[0]. radio_type, - (bss_desc->bcn_ht_info->ht_param & + (bss_desc->bcn_ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET)); *buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set); diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 9eefb2a0ce9f..ab84eb943749 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -233,21 +233,27 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, skb_push(skb_aggr, headroom); - /* - * Padding per MSDU will affect the length of next - * packet and hence the exact length of next packet - * is uncertain here. - * - * Also, aggregation of transmission buffer, while - * downloading the data to the card, wont gain much - * on the AMSDU packets as the AMSDU packets utilizes - * the transmission buffer space to the maximum - * (adapter->tx_buf_size). - */ - tx_param.next_pkt_len = 0; - - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, - skb_aggr, &tx_param); + if (adapter->iface_type == MWIFIEX_USB) { + adapter->data_sent = true; + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA, + skb_aggr, NULL); + } else { + /* + * Padding per MSDU will affect the length of next + * packet and hence the exact length of next packet + * is uncertain here. + * + * Also, aggregation of transmission buffer, while + * downloading the data to the card, wont gain much + * on the AMSDU packets as the AMSDU packets utilizes + * the transmission buffer space to the maximum + * (adapter->tx_buf_size). + */ + tx_param.next_pkt_len = 0; + + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, + skb_aggr, &tx_param); + } switch (ret) { case -EBUSY: spin_lock_irqsave(&priv->wmm.ra_list_spinlock, ra_list_flags); diff --git a/drivers/net/wireless/mwifiex/Kconfig b/drivers/net/wireless/mwifiex/Kconfig index 2a078cea830a..8e384fae3e68 100644 --- a/drivers/net/wireless/mwifiex/Kconfig +++ b/drivers/net/wireless/mwifiex/Kconfig @@ -10,12 +10,12 @@ config MWIFIEX mwifiex. config MWIFIEX_SDIO - tristate "Marvell WiFi-Ex Driver for SD8787/SD8797" + tristate "Marvell WiFi-Ex Driver for SD8786/SD8787/SD8797" depends on MWIFIEX && MMC select FW_LOADER ---help--- This adds support for wireless adapters based on Marvell - 8787/8797 chipsets with SDIO interface. + 8786/8787/8797 chipsets with SDIO interface. If you choose to build it as a module, it will be called mwifiex_sdio. @@ -30,3 +30,14 @@ config MWIFIEX_PCIE If you choose to build it as a module, it will be called mwifiex_pcie. + +config MWIFIEX_USB + tristate "Marvell WiFi-Ex Driver for USB8797" + depends on MWIFIEX && USB + select FW_LOADER + ---help--- + This adds support for wireless adapters based on Marvell + Avastar 88W8797 chipset with USB interface. + + If you choose to build it as a module, it will be called + mwifiex_usb. diff --git a/drivers/net/wireless/mwifiex/Makefile b/drivers/net/wireless/mwifiex/Makefile index b0257ad1bbed..5c1a46bf1e11 100644 --- a/drivers/net/wireless/mwifiex/Makefile +++ b/drivers/net/wireless/mwifiex/Makefile @@ -42,3 +42,6 @@ obj-$(CONFIG_MWIFIEX_SDIO) += mwifiex_sdio.o mwifiex_pcie-y += pcie.o obj-$(CONFIG_MWIFIEX_PCIE) += mwifiex_pcie.o + +mwifiex_usb-y += usb.o +obj-$(CONFIG_MWIFIEX_USB) += mwifiex_usb.o diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 65050384c42b..c78ea873a63a 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -516,25 +516,23 @@ static int mwifiex_dump_station_info(struct mwifiex_private *priv, struct station_info *sinfo) { - struct mwifiex_ds_get_signal signal; struct mwifiex_rate_cfg rate; - int ret = 0; sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | - STATION_INFO_RX_PACKETS | - STATION_INFO_TX_PACKETS - | STATION_INFO_SIGNAL | STATION_INFO_TX_BITRATE; + STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | + STATION_INFO_TX_BITRATE | + STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; /* Get signal information from the firmware */ - memset(&signal, 0, sizeof(struct mwifiex_ds_get_signal)); - if (mwifiex_get_signal_info(priv, &signal)) { - dev_err(priv->adapter->dev, "getting signal information\n"); - ret = -EFAULT; + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, + HostCmd_ACT_GEN_GET, 0, NULL)) { + dev_err(priv->adapter->dev, "failed to get signal information\n"); + return -EFAULT; } if (mwifiex_drv_get_data_rate(priv, &rate)) { dev_err(priv->adapter->dev, "getting data rate\n"); - ret = -EFAULT; + return -EFAULT; } /* Get DTIM period information from firmware */ @@ -557,11 +555,12 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; } + sinfo->signal_avg = priv->bcn_rssi_avg; sinfo->rx_bytes = priv->stats.rx_bytes; sinfo->tx_bytes = priv->stats.tx_bytes; sinfo->rx_packets = priv->stats.rx_packets; sinfo->tx_packets = priv->stats.tx_packets; - sinfo->signal = priv->qual_level; + sinfo->signal = priv->bcn_rssi_avg; /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ sinfo->txrate.legacy = rate.rate * 5; @@ -581,7 +580,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, priv->curr_bss_params.bss_descriptor.beacon_period; } - return ret; + return 0; } /* @@ -604,6 +603,23 @@ mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, return mwifiex_dump_station_info(priv, sinfo); } +/* + * CFG802.11 operation handler to dump station information. + */ +static int +mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + + if (!priv->media_connected || idx) + return -ENOENT; + + memcpy(mac, priv->cfg_bssid, ETH_ALEN); + + return mwifiex_dump_station_info(priv, sinfo); +} + /* Supported rates to be advertised to the cfg80211 */ static struct ieee80211_rate mwifiex_rates[] = { @@ -750,6 +766,45 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, } /* + * CFG802.11 operation handler for connection quality monitoring. + * + * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI + * events to FW. + */ +static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + struct mwifiex_ds_misc_subsc_evt subsc_evt; + + priv->cqm_rssi_thold = rssi_thold; + priv->cqm_rssi_hyst = rssi_hyst; + + memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); + subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; + + /* Subscribe/unsubscribe low and high rssi events */ + if (rssi_thold && rssi_hyst) { + subsc_evt.action = HostCmd_ACT_BITWISE_SET; + subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); + subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); + subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; + subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; + return mwifiex_send_cmd_sync(priv, + HostCmd_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, &subsc_evt); + } else { + subsc_evt.action = HostCmd_ACT_BITWISE_CLR; + return mwifiex_send_cmd_sync(priv, + HostCmd_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, &subsc_evt); + } + + return 0; +} + +/* * CFG802.11 operation handler for disconnection request. * * This function does not work when there is already a disconnection @@ -1107,6 +1162,17 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, priv->user_scan_cfg->num_ssids = request->n_ssids; priv->user_scan_cfg->ssid_list = request->ssids; + if (request->ie && request->ie_len) { + for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) + continue; + priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; + memcpy(&priv->vs_ie[i].ie, request->ie, + request->ie_len); + break; + } + } + for (i = 0; i < request->n_channels; i++) { chan = request->channels[i]; priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; @@ -1124,6 +1190,15 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) return -EFAULT; + if (request->ie && request->ie_len) { + for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { + priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; + memset(&priv->vs_ie[i].ie, 0, + MWIFIEX_MAX_VSIE_LEN); + } + } + } return 0; } @@ -1340,6 +1415,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .connect = mwifiex_cfg80211_connect, .disconnect = mwifiex_cfg80211_disconnect, .get_station = mwifiex_cfg80211_get_station, + .dump_station = mwifiex_cfg80211_dump_station, .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, .set_channel = mwifiex_cfg80211_set_channel, .join_ibss = mwifiex_cfg80211_join_ibss, @@ -1350,6 +1426,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, .set_tx_power = mwifiex_cfg80211_set_tx_power, .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, + .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, }; /* @@ -1365,6 +1442,7 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv) void *wdev_priv; struct wireless_dev *wdev; struct ieee80211_sta_ht_cap *ht_info; + u8 *country_code; wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) { @@ -1381,6 +1459,7 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv) } wdev->iftype = NL80211_IFTYPE_STATION; wdev->wiphy->max_scan_ssids = 10; + wdev->wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); @@ -1403,8 +1482,8 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv) memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN); wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - /* Reserve space for bss band information */ - wdev->wiphy->bss_priv_size = sizeof(u8); + /* Reserve space for mwifiex specific private data for BSS */ + wdev->wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); wdev->wiphy->reg_notifier = mwifiex_reg_notifier; @@ -1427,6 +1506,11 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv) "info: successfully registered wiphy device\n"); } + country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); + if (country_code && regulatory_hint(wdev->wiphy, country_code)) + dev_err(priv->adapter->dev, + "%s: regulatory_hint failed\n", __func__); + priv->wdev = wdev; return ret; diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c index 2fe1c33765b8..560871b0e236 100644 --- a/drivers/net/wireless/mwifiex/cfp.c +++ b/drivers/net/wireless/mwifiex/cfp.c @@ -71,6 +71,37 @@ u16 region_code_index[MWIFIEX_MAX_REGION_CODE] = { 0x10, 0x20, 0x30, static u8 supported_rates_n[N_SUPPORTED_RATES] = { 0x02, 0x04, 0 }; +struct region_code_mapping { + u8 code; + u8 region[IEEE80211_COUNTRY_STRING_LEN]; +}; + +static struct region_code_mapping region_code_mapping_t[] = { + { 0x10, "US " }, /* US FCC */ + { 0x20, "CA " }, /* IC Canada */ + { 0x30, "EU " }, /* ETSI */ + { 0x31, "ES " }, /* Spain */ + { 0x32, "FR " }, /* France */ + { 0x40, "JP " }, /* Japan */ + { 0x41, "JP " }, /* Japan */ + { 0x50, "CN " }, /* China */ +}; + +/* This function converts integer code to region string */ +u8 *mwifiex_11d_code_2_region(u8 code) +{ + u8 i; + u8 size = sizeof(region_code_mapping_t)/ + sizeof(struct region_code_mapping); + + /* Look for code in mapping table */ + for (i = 0; i < size; i++) + if (region_code_mapping_t[i].code == code) + return region_code_mapping_t[i].region; + + return NULL; +} + /* * This function maps an index in supported rates table into * the corresponding data rate. diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 07f6e0092552..1710beffb93a 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -139,6 +139,7 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, uint16_t cmd_size; struct timeval tstamp; unsigned long flags; + __le32 tmp; if (!adapter || !cmd_node) return -1; @@ -178,15 +179,28 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, le16_to_cpu(host_cmd->seq_num)); - skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); - - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, - cmd_node->cmd_skb, NULL); - - skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); + if (adapter->iface_type == MWIFIEX_USB) { + tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); + skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); + memcpy(cmd_node->cmd_skb->data, &tmp, MWIFIEX_TYPE_LEN); + adapter->cmd_sent = true; + ret = adapter->if_ops.host_to_card(adapter, + MWIFIEX_USB_EP_CMD_EVENT, + cmd_node->cmd_skb, NULL); + skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); + if (ret == -EBUSY) + cmd_node->cmd_skb = NULL; + } else { + skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, + cmd_node->cmd_skb, NULL); + skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); + } if (ret == -1) { dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); + if (adapter->iface_type == MWIFIEX_USB) + adapter->cmd_sent = false; if (cmd_node->wait_q_enabled) adapter->cmd_wait_q.status = -1; mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); @@ -232,6 +246,9 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *) adapter->sleep_cfm->data; + struct sk_buff *sleep_cfm_tmp; + __le32 tmp; + priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); sleep_cfm_buf->seq_num = @@ -240,10 +257,28 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) priv->bss_type))); adapter->seq_num++; - skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, - adapter->sleep_cfm, NULL); - skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); + if (adapter->iface_type == MWIFIEX_USB) { + sleep_cfm_tmp = + dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) + + MWIFIEX_TYPE_LEN); + skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) + + MWIFIEX_TYPE_LEN); + tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); + memcpy(sleep_cfm_tmp->data, &tmp, MWIFIEX_TYPE_LEN); + memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, + adapter->sleep_cfm->data, + sizeof(struct mwifiex_opt_sleep_confirm)); + ret = adapter->if_ops.host_to_card(adapter, + MWIFIEX_USB_EP_CMD_EVENT, + sleep_cfm_tmp, NULL); + if (ret != -EBUSY) + dev_kfree_skb_any(sleep_cfm_tmp); + } else { + skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, + adapter->sleep_cfm, NULL); + skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); + } if (ret == -1) { dev_err(adapter->dev, "SLEEP_CFM: failed\n"); @@ -343,7 +378,12 @@ int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) } if (!cmd_array[i].resp_skb) continue; - dev_kfree_skb_any(cmd_array[i].resp_skb); + + if (adapter->iface_type == MWIFIEX_USB) + adapter->if_ops.cmdrsp_complete(adapter, + cmd_array[i].resp_skb); + else + dev_kfree_skb_any(cmd_array[i].resp_skb); } /* Release struct cmd_ctrl_node */ if (adapter->cmd_pool) { @@ -1083,6 +1123,7 @@ mwifiex_process_hs_config(struct mwifiex_adapter *adapter) MWIFIEX_BSS_ROLE_ANY), false); } +EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); /* * This function handles the command response of a sleep confirm command. diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index 1a845074c52a..a870b5885c09 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -212,7 +212,7 @@ mwifiex_info_read(struct file *file, char __user *ubuf, p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid); p += sprintf(p, "bssid=\"%pM\"\n", info.bssid); p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan); - p += sprintf(p, "region_code = \"%02x\"\n", info.region_code); + p += sprintf(p, "country_code = \"%s\"\n", info.country_code); netdev_for_each_mc_addr(ha, netdev) p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h index be5fd1652e53..d04aba4131dc 100644 --- a/drivers/net/wireless/mwifiex/decl.h +++ b/drivers/net/wireless/mwifiex/decl.h @@ -53,6 +53,7 @@ #define MWIFIEX_RATE_BITMAP_MCS127 159 #define MWIFIEX_RX_DATA_BUF_SIZE (4 * 1024) +#define MWIFIEX_RX_CMD_BUF_SIZE (2 * 1024) #define MWIFIEX_RTS_MIN_VALUE (0) #define MWIFIEX_RTS_MAX_VALUE (2347) diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index e98fc5af73dc..5f6adeb9b950 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -81,6 +81,11 @@ enum KEY_TYPE_ID { #define FIRMWARE_READY_SDIO 0xfedc #define FIRMWARE_READY_PCIE 0xfedcba00 +enum mwifiex_usb_ep { + MWIFIEX_USB_EP_CMD_EVENT = 1, + MWIFIEX_USB_EP_DATA = 2, +}; + enum MWIFIEX_802_11_PRIVACY_FILTER { MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL, MWIFIEX_802_11_PRIV_FILTER_8021X_WEP @@ -92,16 +97,19 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0) #define TLV_TYPE_CHANLIST (PROPRIETARY_TLV_BASE_ID + 1) #define TLV_TYPE_NUMPROBES (PROPRIETARY_TLV_BASE_ID + 2) +#define TLV_TYPE_RSSI_LOW (PROPRIETARY_TLV_BASE_ID + 4) #define TLV_TYPE_PASSTHROUGH (PROPRIETARY_TLV_BASE_ID + 10) #define TLV_TYPE_WMMQSTATUS (PROPRIETARY_TLV_BASE_ID + 16) #define TLV_TYPE_WILDCARDSSID (PROPRIETARY_TLV_BASE_ID + 18) #define TLV_TYPE_TSFTIMESTAMP (PROPRIETARY_TLV_BASE_ID + 19) +#define TLV_TYPE_RSSI_HIGH (PROPRIETARY_TLV_BASE_ID + 22) #define TLV_TYPE_AUTH_TYPE (PROPRIETARY_TLV_BASE_ID + 31) #define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42) #define TLV_TYPE_RATE_DROP_CONTROL (PROPRIETARY_TLV_BASE_ID + 82) #define TLV_TYPE_RATE_SCOPE (PROPRIETARY_TLV_BASE_ID + 83) #define TLV_TYPE_POWER_GROUP (PROPRIETARY_TLV_BASE_ID + 84) #define TLV_TYPE_WAPI_IE (PROPRIETARY_TLV_BASE_ID + 94) +#define TLV_TYPE_MGMT_IE (PROPRIETARY_TLV_BASE_ID + 105) #define TLV_TYPE_AUTO_DS_PARAM (PROPRIETARY_TLV_BASE_ID + 113) #define TLV_TYPE_PS_PARAM (PROPRIETARY_TLV_BASE_ID + 114) @@ -194,6 +202,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define HostCmd_CMD_802_11_KEY_MATERIAL 0x005e #define HostCmd_CMD_802_11_BG_SCAN_QUERY 0x006c #define HostCmd_CMD_WMM_GET_STATUS 0x0071 +#define HostCmd_CMD_802_11_SUBSCRIBE_EVENT 0x0075 #define HostCmd_CMD_802_11_TX_RATE_QUERY 0x007f #define HostCmd_CMD_802_11_IBSS_COALESCING_STATUS 0x0083 #define HostCmd_CMD_VERSION_EXT 0x0097 @@ -228,6 +237,8 @@ enum ENH_PS_MODES { #define HostCmd_RET_BIT 0x8000 #define HostCmd_ACT_GEN_GET 0x0000 #define HostCmd_ACT_GEN_SET 0x0001 +#define HostCmd_ACT_BITWISE_SET 0x0002 +#define HostCmd_ACT_BITWISE_CLR 0x0003 #define HostCmd_RESULT_OK 0x0000 #define HostCmd_ACT_MAC_RX_ON 0x0001 @@ -813,7 +824,7 @@ struct host_cmd_ds_txpwr_cfg { struct mwifiex_bcn_param { u8 bssid[ETH_ALEN]; u8 rssi; - __le32 timestamp[2]; + __le64 timestamp; __le16 beacon_period; __le16 cap_info_bitmap; } __packed; @@ -982,8 +993,7 @@ struct mwifiex_ie_types_wmm_queue_status { struct ieee_types_vendor_header { u8 element_id; u8 len; - u8 oui[3]; - u8 oui_type; + u8 oui[4]; /* 0~2: oui, 3: oui_type */ u8 oui_subtype; u8 version; } __packed; @@ -1007,7 +1017,7 @@ struct ieee_types_wmm_parameter { struct ieee_types_vendor_header vend_hdr; u8 qos_info_bitmap; u8 reserved; - struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_MAX_QUEUES]; + struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS]; } __packed; struct ieee_types_wmm_info { @@ -1028,7 +1038,7 @@ struct ieee_types_wmm_info { struct host_cmd_ds_wmm_get_status { u8 queue_status_tlv[sizeof(struct mwifiex_ie_types_wmm_queue_status) * - IEEE80211_MAX_QUEUES]; + IEEE80211_NUM_ACS]; u8 wmm_param_tlv[sizeof(struct ieee_types_wmm_parameter) + 2]; } __packed; @@ -1045,7 +1055,7 @@ struct mwifiex_ie_types_htcap { struct mwifiex_ie_types_htinfo { struct mwifiex_ie_types_header header; - struct ieee80211_ht_info ht_info; + struct ieee80211_ht_operation ht_oper; } __packed; struct mwifiex_ie_types_2040bssco { @@ -1146,6 +1156,17 @@ struct host_cmd_ds_pcie_details { u32 sleep_cookie_addr_hi; } __packed; +struct mwifiex_ie_types_rssi_threshold { + struct mwifiex_ie_types_header header; + u8 abs_value; + u8 evt_freq; +} __packed; + +struct host_cmd_ds_802_11_subsc_evt { + __le16 action; + __le16 events; +} __packed; + struct host_cmd_ds_command { __le16 command; __le16 size; @@ -1195,6 +1216,7 @@ struct host_cmd_ds_command { struct host_cmd_ds_set_bss_mode bss_mode; struct host_cmd_ds_pcie_details pcie_host_spec; struct host_cmd_ds_802_11_eeprom_access eeprom; + struct host_cmd_ds_802_11_subsc_evt subsc_evt; } params; } __packed; diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index 54bb4839b57c..d440c3eb640b 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -131,6 +131,8 @@ static int mwifiex_init_priv(struct mwifiex_private *priv) priv->wmm_qosinfo = 0; priv->curr_bcn_buf = NULL; priv->curr_bcn_size = 0; + priv->wps_ie = NULL; + priv->wps_ie_len = 0; priv->scan_block = false; @@ -186,10 +188,10 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->cmd_sent = false; - if (adapter->iface_type == MWIFIEX_PCIE) - adapter->data_sent = false; - else + if (adapter->iface_type == MWIFIEX_SDIO) adapter->data_sent = true; + else + adapter->data_sent = false; adapter->cmd_resp_received = false; adapter->event_received = false; @@ -377,7 +379,8 @@ mwifiex_free_adapter(struct mwifiex_adapter *adapter) dev_dbg(adapter->dev, "info: free scan table\n"); - adapter->if_ops.cleanup_if(adapter); + if (adapter->if_ops.cleanup_if) + adapter->if_ops.cleanup_if(adapter); if (adapter->sleep_cfm) dev_kfree_skb_any(adapter->sleep_cfm); @@ -417,6 +420,8 @@ int mwifiex_init_lock_list(struct mwifiex_adapter *adapter) spin_lock_init(&adapter->cmd_pending_q_lock); spin_lock_init(&adapter->scan_pending_q_lock); + skb_queue_head_init(&adapter->usb_rx_data_q); + for (i = 0; i < adapter->priv_num; ++i) { INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head); adapter->bss_prio_tbl[i].bss_prio_cur = NULL; @@ -572,6 +577,7 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) struct mwifiex_private *priv; s32 i; unsigned long flags; + struct sk_buff *skb; /* mwifiex already shutdown */ if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY) @@ -599,6 +605,18 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) spin_lock_irqsave(&adapter->mwifiex_lock, flags); + if (adapter->if_ops.data_complete) { + while ((skb = skb_dequeue(&adapter->usb_rx_data_q))) { + struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb); + + priv = adapter->priv[rx_info->bss_num]; + if (priv) + priv->stats.rx_dropped++; + + adapter->if_ops.data_complete(adapter, skb); + } + } + /* Free adapter structure */ mwifiex_free_adapter(adapter); @@ -628,24 +646,28 @@ int mwifiex_dnld_fw(struct mwifiex_adapter *adapter, int ret; u32 poll_num = 1; - adapter->winner = 0; + if (adapter->if_ops.check_fw_status) { + adapter->winner = 0; - /* Check if firmware is already running */ - ret = adapter->if_ops.check_fw_status(adapter, poll_num); - if (!ret) { - dev_notice(adapter->dev, - "WLAN FW already running! Skip FW download\n"); - goto done; - } - poll_num = MAX_FIRMWARE_POLL_TRIES; - - /* Check if we are the winner for downloading FW */ - if (!adapter->winner) { - dev_notice(adapter->dev, - "Other intf already running! Skip FW download\n"); - poll_num = MAX_MULTI_INTERFACE_POLL_TRIES; - goto poll_fw; + /* check if firmware is already running */ + ret = adapter->if_ops.check_fw_status(adapter, poll_num); + if (!ret) { + dev_notice(adapter->dev, + "WLAN FW already running! Skip FW dnld\n"); + goto done; + } + + poll_num = MAX_FIRMWARE_POLL_TRIES; + + /* check if we are the winner for downloading FW */ + if (!adapter->winner) { + dev_notice(adapter->dev, + "FW already running! Skip FW dnld\n"); + poll_num = MAX_MULTI_INTERFACE_POLL_TRIES; + goto poll_fw; + } } + if (pmfw) { /* Download firmware with helper */ ret = adapter->if_ops.prog_fw(adapter, pmfw); @@ -664,6 +686,8 @@ poll_fw: } done: /* re-enable host interrupt for mwifiex after fw dnld is successful */ - adapter->if_ops.enable_int(adapter); + if (adapter->if_ops.enable_int) + adapter->if_ops.enable_int(adapter); + return ret; } diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h index 7ca4e8234f3e..f0f95524e96b 100644 --- a/drivers/net/wireless/mwifiex/ioctl.h +++ b/drivers/net/wireless/mwifiex/ioctl.h @@ -85,34 +85,6 @@ struct mwifiex_ds_get_stats { u32 wep_icv_error[4]; }; -#define BCN_RSSI_AVG_MASK 0x00000002 -#define BCN_NF_AVG_MASK 0x00000200 -#define ALL_RSSI_INFO_MASK 0x00000fff - -struct mwifiex_ds_get_signal { - /* - * Bit0: Last Beacon RSSI, Bit1: Average Beacon RSSI, - * Bit2: Last Data RSSI, Bit3: Average Data RSSI, - * Bit4: Last Beacon SNR, Bit5: Average Beacon SNR, - * Bit6: Last Data SNR, Bit7: Average Data SNR, - * Bit8: Last Beacon NF, Bit9: Average Beacon NF, - * Bit10: Last Data NF, Bit11: Average Data NF - */ - u16 selector; - s16 bcn_rssi_last; - s16 bcn_rssi_avg; - s16 data_rssi_last; - s16 data_rssi_avg; - s16 bcn_snr_last; - s16 bcn_snr_avg; - s16 data_snr_last; - s16 data_snr_avg; - s16 bcn_nf_last; - s16 bcn_nf_avg; - s16 data_nf_last; - s16 data_nf_avg; -}; - #define MWIFIEX_MAX_VER_STR_LEN 128 struct mwifiex_ver_ext { @@ -124,7 +96,7 @@ struct mwifiex_bss_info { u32 bss_mode; struct cfg80211_ssid ssid; u32 bss_chan; - u32 region_code; + u8 country_code[3]; u32 media_connected; u32 max_power_level; u32 min_power_level; @@ -308,8 +280,30 @@ struct mwifiex_ds_misc_cmd { u8 cmd[MWIFIEX_SIZE_OF_CMD_BUFFER]; }; +#define BITMASK_BCN_RSSI_LOW BIT(0) +#define BITMASK_BCN_RSSI_HIGH BIT(4) + +enum subsc_evt_rssi_state { + EVENT_HANDLED, + RSSI_LOW_RECVD, + RSSI_HIGH_RECVD +}; + +struct subsc_evt_cfg { + u8 abs_value; + u8 evt_freq; +}; + +struct mwifiex_ds_misc_subsc_evt { + u16 action; + u16 events; + struct subsc_evt_cfg bcn_l_rssi_cfg; + struct subsc_evt_cfg bcn_h_rssi_cfg; +}; + #define MWIFIEX_MAX_VSIE_LEN (256) #define MWIFIEX_MAX_VSIE_NUM (8) +#define MWIFIEX_VSIE_MASK_CLEAR 0x00 #define MWIFIEX_VSIE_MASK_SCAN 0x01 #define MWIFIEX_VSIE_MASK_ASSOC 0x02 #define MWIFIEX_VSIE_MASK_ADHOC 0x04 diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 8f9382b9c3ca..8a390982463e 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -118,15 +118,15 @@ mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer, *buffer += sizeof(tsf_tlv.header); /* TSF at the time when beacon/probe_response was received */ - tsf_val = cpu_to_le64(bss_desc->network_tsf); + tsf_val = cpu_to_le64(bss_desc->fw_tsf); memcpy(*buffer, &tsf_val, sizeof(tsf_val)); *buffer += sizeof(tsf_val); - memcpy(&tsf_val, bss_desc->time_stamp, sizeof(tsf_val)); + tsf_val = cpu_to_le64(bss_desc->timestamp); dev_dbg(priv->adapter->dev, "info: %s: TSF offset calc: %016llx - %016llx\n", - __func__, tsf_val, bss_desc->network_tsf); + __func__, bss_desc->timestamp, bss_desc->fw_tsf); memcpy(*buffer, &tsf_val, sizeof(tsf_val)); *buffer += sizeof(tsf_val); @@ -225,6 +225,48 @@ mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv, } /* + * This function appends a WPS IE. It is called from the network join command + * preparation routine. + * + * If the IE buffer has been setup by the application, this routine appends + * the buffer as a WPS TLV type to the request. + */ +static int +mwifiex_cmd_append_wps_ie(struct mwifiex_private *priv, u8 **buffer) +{ + int retLen = 0; + struct mwifiex_ie_types_header ie_header; + + if (!buffer || !*buffer) + return 0; + + /* + * If there is a wps ie buffer setup, append it to the return + * parameter buffer pointer. + */ + if (priv->wps_ie_len) { + dev_dbg(priv->adapter->dev, "cmd: append wps ie %d to %p\n", + priv->wps_ie_len, *buffer); + + /* Wrap the generic IE buffer with a pass through TLV type */ + ie_header.type = cpu_to_le16(TLV_TYPE_MGMT_IE); + ie_header.len = cpu_to_le16(priv->wps_ie_len); + memcpy(*buffer, &ie_header, sizeof(ie_header)); + *buffer += sizeof(ie_header); + retLen += sizeof(ie_header); + + memcpy(*buffer, priv->wps_ie, priv->wps_ie_len); + *buffer += priv->wps_ie_len; + retLen += priv->wps_ie_len; + + } + + kfree(priv->wps_ie); + priv->wps_ie_len = 0; + return retLen; +} + +/* * This function appends a WAPI IE. * * This function is called from the network join command preparation routine. @@ -480,6 +522,8 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv, if (priv->sec_info.wapi_enabled && priv->wapi_ie_len) mwifiex_cmd_append_wapi_ie(priv, &pos); + if (priv->wps.session_enable && priv->wps_ie_len) + mwifiex_cmd_append_wps_ie(priv, &pos); mwifiex_cmd_append_generic_ie(priv, &pos); @@ -932,20 +976,20 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, /* Fill HT INFORMATION */ ht_info = (struct mwifiex_ie_types_htinfo *) pos; memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo)); - ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION); + ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION); ht_info->header.len = - cpu_to_le16(sizeof(struct ieee80211_ht_info)); + cpu_to_le16(sizeof(struct ieee80211_ht_operation)); - ht_info->ht_info.control_chan = + ht_info->ht_oper.primary_chan = (u8) priv->curr_bss_params.bss_descriptor.channel; if (adapter->sec_chan_offset) { - ht_info->ht_info.ht_param = adapter->sec_chan_offset; - ht_info->ht_info.ht_param |= + ht_info->ht_oper.ht_param = adapter->sec_chan_offset; + ht_info->ht_oper.ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; } - ht_info->ht_info.operation_mode = + ht_info->ht_oper.operation_mode = cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - ht_info->ht_info.basic_set[0] = 0xff; + ht_info->ht_oper.basic_set[0] = 0xff; pos += sizeof(struct mwifiex_ie_types_htinfo); cmd_append_size += sizeof(struct mwifiex_ie_types_htinfo); diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 9d1b3ca6334b..be0f0e583f75 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -58,8 +58,9 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, memmove(&adapter->if_ops, if_ops, sizeof(struct mwifiex_if_ops)); /* card specific initialization has been deferred until now .. */ - if (adapter->if_ops.init_if(adapter)) - goto error; + if (adapter->if_ops.init_if) + if (adapter->if_ops.init_if(adapter)) + goto error; adapter->priv_num = 0; @@ -140,6 +141,7 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter) { int ret = 0; unsigned long flags; + struct sk_buff *skb; spin_lock_irqsave(&adapter->main_proc_lock, flags); @@ -161,7 +163,8 @@ process_start: if (adapter->int_status) { if (adapter->hs_activated) mwifiex_process_hs_config(adapter); - adapter->if_ops.process_int_status(adapter); + if (adapter->if_ops.process_int_status) + adapter->if_ops.process_int_status(adapter); } /* Need to wake up the card ? */ @@ -174,6 +177,7 @@ process_start: adapter->if_ops.wakeup(adapter); continue; } + if (IS_CARD_RX_RCVD(adapter)) { adapter->pm_wakeup_fw_try = false; if (adapter->ps_state == PS_STATE_SLEEP) @@ -194,6 +198,11 @@ process_start: } } + /* Check Rx data for USB */ + if (adapter->iface_type == MWIFIEX_USB) + while ((skb = skb_dequeue(&adapter->usb_rx_data_q))) + mwifiex_handle_rx_packet(adapter, skb); + /* Check for Cmd Resp */ if (adapter->cmd_resp_received) { adapter->cmd_resp_received = false; @@ -292,33 +301,35 @@ static void mwifiex_free_adapter(struct mwifiex_adapter *adapter) } /* - * This function initializes the hardware and firmware. + * This function gets firmware and initializes it. * * The main initialization steps followed are - * - Download the correct firmware to card - * - Allocate and initialize the adapter structure - * - Initialize the private structures * - Issue the init commands to firmware */ -static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter) +static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) { - int ret, err; + int ret; + char fmt[64]; + struct mwifiex_private *priv; + struct mwifiex_adapter *adapter = context; struct mwifiex_fw_image fw; - memset(&fw, 0, sizeof(struct mwifiex_fw_image)); - - err = request_firmware(&adapter->firmware, adapter->fw_name, - adapter->dev); - if (err < 0) { - dev_err(adapter->dev, "request_firmware() returned" - " error code %#x\n", err); - ret = -1; + if (!firmware) { + dev_err(adapter->dev, + "Failed to get firmware %s\n", adapter->fw_name); goto done; } + + memset(&fw, 0, sizeof(struct mwifiex_fw_image)); + adapter->firmware = firmware; fw.fw_buf = (u8 *) adapter->firmware->data; fw.fw_len = adapter->firmware->size; - ret = mwifiex_dnld_fw(adapter, &fw); + if (adapter->if_ops.dnld_fw) + ret = adapter->if_ops.dnld_fw(adapter, &fw); + else + ret = mwifiex_dnld_fw(adapter, &fw); if (ret == -1) goto done; @@ -335,17 +346,54 @@ static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter) /* Wait for mwifiex_init to complete */ wait_event_interruptible(adapter->init_wait_q, adapter->init_wait_q_woken); - if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) { - ret = -1; + if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) goto done; + + priv = adapter->priv[0]; + if (mwifiex_register_cfg80211(priv) != 0) { + dev_err(adapter->dev, "cannot register with cfg80211\n"); + goto err_init_fw; } - ret = 0; + rtnl_lock(); + /* Create station interface by default */ + if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d", + NL80211_IFTYPE_STATION, NULL, NULL)) { + dev_err(adapter->dev, "cannot create default STA interface\n"); + goto err_add_intf; + } + rtnl_unlock(); + + mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); + dev_notice(adapter->dev, "driver_version = %s\n", fmt); + goto done; + +err_add_intf: + mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev); + rtnl_unlock(); +err_init_fw: + pr_debug("info: %s: unregister device\n", __func__); + adapter->if_ops.unregister_dev(adapter); done: - if (adapter->firmware) - release_firmware(adapter->firmware); - if (ret) - ret = -1; + release_firmware(adapter->firmware); + complete(&adapter->fw_load); + return; +} + +/* + * This function initializes the hardware and gets firmware. + */ +static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter) +{ + int ret; + + init_completion(&adapter->fw_load); + ret = request_firmware_nowait(THIS_MODULE, 1, adapter->fw_name, + adapter->dev, GFP_KERNEL, adapter, + mwifiex_fw_dpc); + if (ret < 0) + dev_err(adapter->dev, + "request_firmware_nowait() returned error %d\n", ret); return ret; } @@ -650,8 +698,6 @@ mwifiex_add_card(void *card, struct semaphore *sem, struct mwifiex_if_ops *if_ops, u8 iface_type) { struct mwifiex_adapter *adapter; - char fmt[64]; - struct mwifiex_private *priv; if (down_interruptible(sem)) goto exit_sem_err; @@ -692,40 +738,13 @@ mwifiex_add_card(void *card, struct semaphore *sem, goto err_init_fw; } - priv = adapter->priv[0]; - - if (mwifiex_register_cfg80211(priv) != 0) { - dev_err(adapter->dev, "cannot register netdevice" - " with cfg80211\n"); - goto err_init_fw; - } - - rtnl_lock(); - /* Create station interface by default */ - if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d", - NL80211_IFTYPE_STATION, NULL, NULL)) { - rtnl_unlock(); - dev_err(adapter->dev, "cannot create default station" - " interface\n"); - goto err_add_intf; - } - - rtnl_unlock(); - up(sem); - - mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); - dev_notice(adapter->dev, "driver_version = %s\n", fmt); - return 0; -err_add_intf: - rtnl_lock(); - mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev); - rtnl_unlock(); err_init_fw: pr_debug("info: %s: unregister device\n", __func__); - adapter->if_ops.unregister_dev(adapter); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); err_registerdev: adapter->surprise_removed = true; mwifiex_terminate_workqueue(adapter); @@ -830,7 +849,8 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) /* Unregister device */ dev_dbg(adapter->dev, "info: unregister device\n"); - adapter->if_ops.unregister_dev(adapter); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); /* Free adapter structure */ dev_dbg(adapter->dev, "info: free adapter\n"); mwifiex_free_adapter(adapter); diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 35225e9b1080..324ad390cacd 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -92,9 +92,16 @@ enum { #define MWIFIEX_OUI_NOT_PRESENT 0 #define MWIFIEX_OUI_PRESENT 1 +/* + * Do not check for data_received for USB, as data_received + * is handled in mwifiex_usb_recv for USB + */ #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \ - adapter->event_received || \ - adapter->data_received) + adapter->event_received || \ + ((adapter->iface_type != MWIFIEX_USB) && \ + adapter->data_received) || \ + ((adapter->iface_type == MWIFIEX_USB) && \ + !skb_queue_empty(&adapter->usb_rx_data_q))) #define MWIFIEX_TYPE_CMD 1 #define MWIFIEX_TYPE_DATA 0 @@ -110,6 +117,11 @@ enum { #define MWIFIEX_EVENT_HEADER_LEN 4 +#define MWIFIEX_TYPE_LEN 4 +#define MWIFIEX_USB_TYPE_CMD 0xF00DFACE +#define MWIFIEX_USB_TYPE_DATA 0xBEADC0DE +#define MWIFIEX_USB_TYPE_EVENT 0xBEEFFACE + struct mwifiex_dbg { u32 num_cmd_host_to_card_failure; u32 num_cmd_sleep_cfm_host_to_card_failure; @@ -162,6 +174,7 @@ enum MWIFIEX_PS_STATE { enum mwifiex_iface_type { MWIFIEX_SDIO, MWIFIEX_PCIE, + MWIFIEX_USB }; struct mwifiex_add_ba_param { @@ -201,10 +214,10 @@ struct mwifiex_wmm_desc { u32 packets_out[MAX_NUM_TID]; /* spin lock to protect ra_list */ spinlock_t ra_list_spinlock; - struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES]; - enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES]; + struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS]; + enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS]; u32 drv_pkt_delay_max; - u8 queue_priority[IEEE80211_MAX_QUEUES]; + u8 queue_priority[IEEE80211_NUM_ACS]; u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1]; /* UP: 0 to 7 */ /* Number of transmit packets queued */ atomic_t tx_pkts_queued; @@ -260,8 +273,8 @@ struct mwifiex_bssdescriptor { * BAND_A(0X04): 'a' band */ u16 bss_band; - u64 network_tsf; - u8 time_stamp[8]; + u64 fw_tsf; + u64 timestamp; union ieee_types_phy_param_set phy_param_set; union ieee_types_ss_param_set ss_param_set; u16 cap_info_bitmap; @@ -269,7 +282,7 @@ struct mwifiex_bssdescriptor { u8 disable_11n; struct ieee80211_ht_cap *bcn_ht_cap; u16 ht_cap_offset; - struct ieee80211_ht_info *bcn_ht_info; + struct ieee80211_ht_operation *bcn_ht_oper; u16 ht_info_offset; u8 *bcn_bss_co_2040; u16 bss_co_2040_offset; @@ -407,6 +420,8 @@ struct mwifiex_private { struct host_cmd_ds_802_11_key_material aes_key; u8 wapi_ie[256]; u8 wapi_ie_len; + u8 *wps_ie; + u8 wps_ie_len; u8 wmm_required; u8 wmm_enabled; u8 wmm_qosinfo; @@ -448,7 +463,6 @@ struct mwifiex_private { struct dentry *dfs_dev_dir; #endif u8 nick_name[16]; - u8 qual_level, qual_noise; u16 current_key_index; struct semaphore async_sem; u8 scan_pending_on_block; @@ -459,6 +473,9 @@ struct mwifiex_private { u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; struct wps wps; u8 scan_block; + s32 cqm_rssi_thold; + u32 cqm_rssi_hyst; + u8 subsc_evt_rssi_state; }; enum mwifiex_ba_status { @@ -518,6 +535,11 @@ struct cmd_ctrl_node { u8 cmd_wait_q_woken; }; +struct mwifiex_bss_priv { + u8 band; + u64 fw_tsf; +}; + struct mwifiex_if_ops { int (*init_if) (struct mwifiex_adapter *); void (*cleanup_if) (struct mwifiex_adapter *); @@ -537,6 +559,8 @@ struct mwifiex_if_ops { void (*cleanup_mpa_buf) (struct mwifiex_adapter *); int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *); int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *); + int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *); + int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *); }; struct mwifiex_adapter { @@ -599,6 +623,7 @@ struct mwifiex_adapter { struct list_head scan_pending_q; /* spin lock for scan_pending_q */ spinlock_t scan_pending_q_lock; + struct sk_buff_head usb_rx_data_q; u32 scan_processing; u16 region_code; struct mwifiex_802_11d_domain_reg domain_reg; @@ -651,6 +676,7 @@ struct mwifiex_adapter { u8 scan_wait_q_woken; struct cmd_ctrl_node *cmd_queued; spinlock_t queue_lock; /* lock for tx queues */ + struct completion fw_load; }; int mwifiex_init_lock_list(struct mwifiex_adapter *adapter); @@ -896,8 +922,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type); int mwifiex_enable_hs(struct mwifiex_adapter *adapter); int mwifiex_disable_auto_ds(struct mwifiex_private *priv); -int mwifiex_get_signal_info(struct mwifiex_private *priv, - struct mwifiex_ds_get_signal *signal); int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, struct mwifiex_rate_cfg *rate); int mwifiex_request_scan(struct mwifiex_private *priv, @@ -950,13 +974,10 @@ int mwifiex_bss_set_channel(struct mwifiex_private *, int mwifiex_get_bss_info(struct mwifiex_private *, struct mwifiex_bss_info *); int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, - u8 *bssid, s32 rssi, u8 *ie_buf, - size_t ie_len, u16 beacon_period, - u16 cap_info_bitmap, u8 band, + struct cfg80211_bss *bss, struct mwifiex_bssdescriptor *bss_desc); int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, - struct mwifiex_bssdescriptor *bss_entry, - u8 *ie_buf, u32 ie_len); + struct mwifiex_bssdescriptor *bss_entry); int mwifiex_check_network_compatibility(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *bss_desc); @@ -965,6 +986,7 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, u32 *flags, struct vif_params *params); int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev); +u8 *mwifiex_11d_code_2_region(u8 code); #ifdef CONFIG_DEBUG_FS void mwifiex_debugfs_init(void); diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 5867facd415d..13fbc4eb1595 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -119,6 +119,9 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev) if (!adapter || !adapter->priv_num) return; + /* In case driver is removed when asynchronous FW load is in progress */ + wait_for_completion(&adapter->fw_load); + if (user_rmmod) { #ifdef CONFIG_PM if (adapter->is_suspended) diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index aff9cd763f2b..74f045715723 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1048,10 +1048,8 @@ mwifiex_ret_802_11_scan_get_tlv_ptrs(struct mwifiex_adapter *adapter, * This function parses provided beacon buffer and updates * respective fields in bss descriptor structure. */ -int -mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, - struct mwifiex_bssdescriptor *bss_entry, - u8 *ie_buf, u32 ie_len) +int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, + struct mwifiex_bssdescriptor *bss_entry) { int ret = 0; u8 element_id; @@ -1073,10 +1071,8 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, found_data_rate_ie = false; rate_size = 0; - current_ptr = ie_buf; - bytes_left = ie_len; - bss_entry->beacon_buf = ie_buf; - bss_entry->beacon_buf_size = ie_len; + current_ptr = bss_entry->beacon_buf; + bytes_left = bss_entry->beacon_buf_size; /* Process variable IE */ while (bytes_left >= 2) { @@ -1221,9 +1217,9 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter, sizeof(struct ieee_types_header) - bss_entry->beacon_buf); break; - case WLAN_EID_HT_INFORMATION: - bss_entry->bcn_ht_info = (struct ieee80211_ht_info *) - (current_ptr + + case WLAN_EID_HT_OPERATION: + bss_entry->bcn_ht_oper = + (struct ieee80211_ht_operation *)(current_ptr + sizeof(struct ieee_types_header)); bss_entry->ht_info_offset = (u16) (current_ptr + sizeof(struct ieee_types_header) - @@ -1447,15 +1443,12 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv, return ret; } -static int -mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, - s32 rssi, const u8 *ie_buf, size_t ie_len, - u16 beacon_period, u16 cap_info_bitmap, u8 band) +static int mwifiex_update_curr_bss_params(struct mwifiex_private *priv, + struct cfg80211_bss *bss) { struct mwifiex_bssdescriptor *bss_desc; int ret; unsigned long flags; - u8 *beacon_ie; /* Allocate and fill new bss descriptor */ bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), @@ -1465,16 +1458,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, return -ENOMEM; } - beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL); - if (!beacon_ie) { - kfree(bss_desc); - dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); - return -ENOMEM; - } - - ret = mwifiex_fill_new_bss_desc(priv, bssid, rssi, beacon_ie, - ie_len, beacon_period, - cap_info_bitmap, band, bss_desc); + ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc); if (ret) goto done; @@ -1493,7 +1477,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, priv->curr_bss_params.bss_descriptor.bcn_ht_cap = NULL; priv->curr_bss_params.bss_descriptor.ht_cap_offset = 0; - priv->curr_bss_params.bss_descriptor.bcn_ht_info = NULL; + priv->curr_bss_params.bss_descriptor.bcn_ht_oper = NULL; priv->curr_bss_params.bss_descriptor.ht_info_offset = 0; priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 = @@ -1514,7 +1498,6 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, done: kfree(bss_desc); - kfree(beacon_ie); return 0; } @@ -1620,14 +1603,16 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, const u8 *ie_buf; size_t ie_len; u16 channel = 0; - u64 network_tsf = 0; + u64 fw_tsf = 0; u16 beacon_size = 0; u32 curr_bcn_bytes; u32 freq; u16 beacon_period; u16 cap_info_bitmap; u8 *current_ptr; + u64 timestamp; struct mwifiex_bcn_param *bcn_param; + struct mwifiex_bss_priv *bss_priv; if (bytes_left >= sizeof(beacon_size)) { /* Extract & convert beacon size from command buffer */ @@ -1667,9 +1652,11 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, memcpy(bssid, bcn_param->bssid, ETH_ALEN); - rssi = (s32) (bcn_param->rssi); - dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%02X\n", rssi); + rssi = (s32) bcn_param->rssi; + rssi = (-rssi) * 100; /* Convert dBm to mBm */ + dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%d\n", rssi); + timestamp = le64_to_cpu(bcn_param->timestamp); beacon_period = le16_to_cpu(bcn_param->beacon_period); cap_info_bitmap = le16_to_cpu(bcn_param->cap_info_bitmap); @@ -1709,14 +1696,13 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, /* * If the TSF TLV was appended to the scan results, save this - * entry's TSF value in the networkTSF field.The networkTSF is - * the firmware's TSF value at the time the beacon or probe - * response was received. + * entry's TSF value in the fw_tsf field. It is the firmware's + * TSF value at the time the beacon or probe response was + * received. */ if (tsf_tlv) - memcpy(&network_tsf, - &tsf_tlv->tsf_data[idx * TSF_DATA_SIZE], - sizeof(network_tsf)); + memcpy(&fw_tsf, &tsf_tlv->tsf_data[idx * TSF_DATA_SIZE], + sizeof(fw_tsf)); if (channel) { struct ieee80211_channel *chan; @@ -1739,21 +1725,19 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) { bss = cfg80211_inform_bss(priv->wdev->wiphy, - chan, bssid, network_tsf, + chan, bssid, timestamp, cap_info_bitmap, beacon_period, ie_buf, ie_len, rssi, GFP_KERNEL); - *(u8 *)bss->priv = band; - cfg80211_put_bss(bss); - + bss_priv = (struct mwifiex_bss_priv *)bss->priv; + bss_priv->band = band; + bss_priv->fw_tsf = fw_tsf; if (priv->media_connected && !memcmp(bssid, priv->curr_bss_params.bss_descriptor .mac_address, ETH_ALEN)) - mwifiex_update_curr_bss_params - (priv, bssid, rssi, - ie_buf, ie_len, - beacon_period, - cap_info_bitmap, band); + mwifiex_update_curr_bss_params(priv, + bss); + cfg80211_put_bss(bss); } } else { dev_dbg(adapter->dev, "missing BSS channel IE\n"); @@ -2019,8 +2003,8 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv) (curr_bss->beacon_buf + curr_bss->ht_cap_offset); - if (curr_bss->bcn_ht_info) - curr_bss->bcn_ht_info = (struct ieee80211_ht_info *) + if (curr_bss->bcn_ht_oper) + curr_bss->bcn_ht_oper = (struct ieee80211_ht_operation *) (curr_bss->beacon_buf + curr_bss->ht_info_offset); diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index f8012e2b7f7c..e0377473282f 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -123,6 +123,9 @@ mwifiex_sdio_remove(struct sdio_func *func) if (!adapter || !adapter->priv_num) return; + /* In case driver is removed when asynchronous FW load is in progress */ + wait_for_completion(&adapter->fw_load); + if (user_rmmod) { if (adapter->is_suspended) mwifiex_sdio_resume(adapter->dev); @@ -250,6 +253,8 @@ static int mwifiex_sdio_resume(struct device *dev) return 0; } +/* Device ID for SD8786 */ +#define SDIO_DEVICE_ID_MARVELL_8786 (0x9116) /* Device ID for SD8787 */ #define SDIO_DEVICE_ID_MARVELL_8787 (0x9119) /* Device ID for SD8797 */ @@ -257,6 +262,7 @@ static int mwifiex_sdio_resume(struct device *dev) /* WLAN IDs */ static const struct sdio_device_id mwifiex_ids[] = { + {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786)}, {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787)}, {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797)}, {}, @@ -1596,6 +1602,9 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) adapter->dev = &func->dev; switch (func->device) { + case SDIO_DEVICE_ID_MARVELL_8786: + strcpy(adapter->fw_name, SD8786_DEFAULT_FW_NAME); + break; case SDIO_DEVICE_ID_MARVELL_8797: strcpy(adapter->fw_name, SD8797_DEFAULT_FW_NAME); break; @@ -1804,5 +1813,6 @@ MODULE_AUTHOR("Marvell International Ltd."); MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION); MODULE_VERSION(SDIO_VERSION); MODULE_LICENSE("GPL v2"); +MODULE_FIRMWARE(SD8786_DEFAULT_FW_NAME); MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME); MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME); diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h index a3fb322205b0..21033738ef0c 100644 --- a/drivers/net/wireless/mwifiex/sdio.h +++ b/drivers/net/wireless/mwifiex/sdio.h @@ -28,6 +28,7 @@ #include "main.h" +#define SD8786_DEFAULT_FW_NAME "mrvl/sd8786_uapsta.bin" #define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin" #define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin" @@ -193,7 +194,7 @@ a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+(MAX_PORT - \ a->mp_end_port))); \ a->mpa_tx.pkt_cnt++; \ -} while (0); +} while (0) /* SDIO Tx aggregation limit ? */ #define MP_TX_AGGR_PKT_LIMIT_REACHED(a) \ @@ -211,7 +212,7 @@ a->mpa_tx.buf_len = 0; \ a->mpa_tx.ports = 0; \ a->mpa_tx.start_port = 0; \ -} while (0); +} while (0) /* SDIO Rx aggregation limit ? */ #define MP_RX_AGGR_PKT_LIMIT_REACHED(a) \ @@ -242,7 +243,7 @@ a->mpa_rx.skb_arr[a->mpa_rx.pkt_cnt] = skb; \ a->mpa_rx.len_arr[a->mpa_rx.pkt_cnt] = skb->len; \ a->mpa_rx.pkt_cnt++; \ -} while (0); +} while (0) /* Reset SDIO Rx aggregation buffer parameters */ #define MP_RX_AGGR_BUF_RESET(a) do { \ @@ -250,7 +251,7 @@ a->mpa_rx.buf_len = 0; \ a->mpa_rx.ports = 0; \ a->mpa_rx.start_port = 0; \ -} while (0); +} while (0) /* data structure for SDIO MPA TX */ diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c index 6c8e4594b48b..87ed2a1f6cd9 100644 --- a/drivers/net/wireless/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/mwifiex/sta_cmd.c @@ -907,6 +907,101 @@ mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv, } /* + * This function prepares command for event subscription, configuration + * and query. Events can be subscribed or unsubscribed. Current subscribed + * events can be queried. Also, current subscribed events are reported in + * every FW response. + */ +static int +mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv, + struct host_cmd_ds_command *cmd, + struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg) +{ + struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt; + struct mwifiex_ie_types_rssi_threshold *rssi_tlv; + u16 event_bitmap; + u8 *pos; + + cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) + + S_DS_GEN); + + subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action); + dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action); + + /*For query requests, no configuration TLV structures are to be added.*/ + if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET) + return 0; + + subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events); + + event_bitmap = subsc_evt_cfg->events; + dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n", + event_bitmap); + + if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) || + (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) && + (event_bitmap == 0)) { + dev_dbg(priv->adapter->dev, "Error: No event specified " + "for bitwise action type\n"); + return -EINVAL; + } + + /* + * Append TLV structures for each of the specified events for + * subscribing or re-configuring. This is not required for + * bitwise unsubscribing request. + */ + if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) + return 0; + + pos = ((u8 *)subsc_evt) + + sizeof(struct host_cmd_ds_802_11_subsc_evt); + + if (event_bitmap & BITMASK_BCN_RSSI_LOW) { + rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos; + + rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW); + rssi_tlv->header.len = + cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) - + sizeof(struct mwifiex_ie_types_header)); + rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value; + rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq; + + dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, " + "RSSI:-%d dBm, Freq:%d\n", + subsc_evt_cfg->bcn_l_rssi_cfg.abs_value, + subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq); + + pos += sizeof(struct mwifiex_ie_types_rssi_threshold); + le16_add_cpu(&cmd->size, + sizeof(struct mwifiex_ie_types_rssi_threshold)); + } + + if (event_bitmap & BITMASK_BCN_RSSI_HIGH) { + rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos; + + rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH); + rssi_tlv->header.len = + cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) - + sizeof(struct mwifiex_ie_types_header)); + rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value; + rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq; + + dev_dbg(priv->adapter->dev, "Cfg Beacon High Rssi event, " + "RSSI:-%d dBm, Freq:%d\n", + subsc_evt_cfg->bcn_h_rssi_cfg.abs_value, + subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq); + + pos += sizeof(struct mwifiex_ie_types_rssi_threshold); + le16_add_cpu(&cmd->size, + sizeof(struct mwifiex_ie_types_rssi_threshold)); + } + + return 0; +} + +/* * This function prepares the commands before sending them to the firmware. * * This is a generic function which calls specific command preparation @@ -1086,6 +1181,9 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no, case HostCmd_CMD_PCIE_DESC_DETAILS: ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action); break; + case HostCmd_CMD_802_11_SUBSCRIBE_EVENT: + ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf); + break; default: dev_err(priv->adapter->dev, "PREP_CMD: unknown cmd- %#x\n", cmd_no); @@ -1195,7 +1293,7 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta) if (ret) return -1; - if (first_sta) { + if (first_sta && (priv->adapter->iface_type != MWIFIEX_USB)) { /* Enable auto deep sleep */ auto_ds.auto_ds = DEEP_SLEEP_ON; auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME; diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 4da19ed0f078..3aa54243dea9 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -119,11 +119,11 @@ mwifiex_process_cmdresp_error(struct mwifiex_private *priv, * calculated SNR values. */ static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv, - struct host_cmd_ds_command *resp, - struct mwifiex_ds_get_signal *signal) + struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp = &resp->params.rssi_info_rsp; + struct mwifiex_ds_misc_subsc_evt subsc_evt; priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last); priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last); @@ -137,34 +137,29 @@ static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv, priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg); priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg); - /* Need to indicate IOCTL complete */ - if (signal) { - memset(signal, 0, sizeof(*signal)); - - signal->selector = ALL_RSSI_INFO_MASK; - - /* RSSI */ - signal->bcn_rssi_last = priv->bcn_rssi_last; - signal->bcn_rssi_avg = priv->bcn_rssi_avg; - signal->data_rssi_last = priv->data_rssi_last; - signal->data_rssi_avg = priv->data_rssi_avg; - - /* SNR */ - signal->bcn_snr_last = - CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last); - signal->bcn_snr_avg = - CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg); - signal->data_snr_last = - CAL_SNR(priv->data_rssi_last, priv->data_nf_last); - signal->data_snr_avg = - CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg); - - /* NF */ - signal->bcn_nf_last = priv->bcn_nf_last; - signal->bcn_nf_avg = priv->bcn_nf_avg; - signal->data_nf_last = priv->data_nf_last; - signal->data_nf_avg = priv->data_nf_avg; + if (priv->subsc_evt_rssi_state == EVENT_HANDLED) + return 0; + + /* Resubscribe low and high rssi events with new thresholds */ + memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); + subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; + subsc_evt.action = HostCmd_ACT_BITWISE_SET; + if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) { + subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg - + priv->cqm_rssi_hyst); + subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); + } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) { + subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); + subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg + + priv->cqm_rssi_hyst); } + subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; + subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; + + priv->subsc_evt_rssi_state = EVENT_HANDLED; + + mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, &subsc_evt); return 0; } @@ -785,6 +780,28 @@ static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv, } /* + * This function handles the command response for subscribe event command. + */ +static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv, + struct host_cmd_ds_command *resp, + struct mwifiex_ds_misc_subsc_evt *sub_event) +{ + struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event = + (struct host_cmd_ds_802_11_subsc_evt *)&resp->params.subsc_evt; + + /* For every subscribe event command (Get/Set/Clear), FW reports the + * current set of subscribed events*/ + dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n", + le16_to_cpu(cmd_sub_event->events)); + + /*Return the subscribed event info for a Get request*/ + if (sub_event) + sub_event->events = le16_to_cpu(cmd_sub_event->events); + + return 0; +} + +/* * This function handles the command responses. * * This is a generic function, which calls command specific @@ -853,7 +870,7 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, ret = mwifiex_ret_get_log(priv, resp, data_buf); break; case HostCmd_CMD_RSSI_INFO: - ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf); + ret = mwifiex_ret_802_11_rssi_info(priv, resp); break; case HostCmd_CMD_802_11_SNMP_MIB: ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf); @@ -924,6 +941,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, break; case HostCmd_CMD_PCIE_DESC_DETAILS: break; + case HostCmd_CMD_802_11_SUBSCRIBE_EVENT: + ret = mwifiex_ret_subsc_evt(priv, resp, data_buf); + break; default: dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n", resp->command); diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index cc531b536a56..f6bbb9307f86 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -128,9 +128,6 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv) mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); - /* Reset wireless stats signal info */ - priv->qual_level = 0; - priv->qual_noise = 0; } /* @@ -317,6 +314,12 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) break; case EVENT_RSSI_LOW: + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, + GFP_KERNEL); + mwifiex_send_cmd_async(priv, HostCmd_CMD_RSSI_INFO, + HostCmd_ACT_GEN_GET, 0, NULL); + priv->subsc_evt_rssi_state = RSSI_LOW_RECVD; dev_dbg(adapter->dev, "event: Beacon RSSI_LOW\n"); break; case EVENT_SNR_LOW: @@ -326,6 +329,12 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) dev_dbg(adapter->dev, "event: MAX_FAIL\n"); break; case EVENT_RSSI_HIGH: + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, + GFP_KERNEL); + mwifiex_send_cmd_async(priv, HostCmd_CMD_RSSI_INFO, + HostCmd_ACT_GEN_GET, 0, NULL); + priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD; dev_dbg(adapter->dev, "event: Beacon RSSI_HIGH\n"); break; case EVENT_SNR_HIGH: diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index d7b11defafe0..58970e0f7d13 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -155,20 +155,29 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, * information. */ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, - u8 *bssid, s32 rssi, u8 *ie_buf, - size_t ie_len, u16 beacon_period, - u16 cap_info_bitmap, u8 band, + struct cfg80211_bss *bss, struct mwifiex_bssdescriptor *bss_desc) { int ret; + u8 *beacon_ie; + struct mwifiex_bss_priv *bss_priv = (void *)bss->priv; - memcpy(bss_desc->mac_address, bssid, ETH_ALEN); - bss_desc->rssi = rssi; - bss_desc->beacon_buf = ie_buf; - bss_desc->beacon_buf_size = ie_len; - bss_desc->beacon_period = beacon_period; - bss_desc->cap_info_bitmap = cap_info_bitmap; - bss_desc->bss_band = band; + beacon_ie = kmemdup(bss->information_elements, bss->len_beacon_ies, + GFP_KERNEL); + if (!beacon_ie) { + dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); + return -ENOMEM; + } + + memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN); + bss_desc->rssi = bss->signal; + bss_desc->beacon_buf = beacon_ie; + bss_desc->beacon_buf_size = bss->len_beacon_ies; + bss_desc->beacon_period = bss->beacon_interval; + 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; @@ -180,9 +189,9 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, else bss_desc->bss_mode = NL80211_IFTYPE_STATION; - ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc, - ie_buf, ie_len); + ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc); + kfree(beacon_ie); return ret; } @@ -197,7 +206,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, int ret; struct mwifiex_adapter *adapter = priv->adapter; struct mwifiex_bssdescriptor *bss_desc = NULL; - u8 *beacon_ie = NULL; priv->scan_block = false; @@ -210,19 +218,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, return -ENOMEM; } - beacon_ie = kmemdup(bss->information_elements, - bss->len_beacon_ies, GFP_KERNEL); - if (!beacon_ie) { - kfree(bss_desc); - dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); - return -ENOMEM; - } - - ret = mwifiex_fill_new_bss_desc(priv, bss->bssid, bss->signal, - beacon_ie, bss->len_beacon_ies, - bss->beacon_interval, - bss->capability, - *(u8 *)bss->priv, bss_desc); + ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc); if (ret) goto done; } @@ -269,7 +265,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. ssid, &bss_desc->ssid))) { kfree(bss_desc); - kfree(beacon_ie); return 0; } @@ -304,7 +299,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, done: kfree(bss_desc); - kfree(beacon_ie); return ret; } @@ -468,7 +462,8 @@ int mwifiex_get_bss_info(struct mwifiex_private *priv, info->bss_chan = bss_desc->channel; - info->region_code = adapter->region_code; + memcpy(info->country_code, priv->country_code, + IEEE80211_COUNTRY_STRING_LEN); info->media_connected = priv->media_connected; @@ -996,6 +991,39 @@ static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, } /* + * IOCTL request handler to set/reset WPS IE. + * + * The supplied WPS IE is treated as a opaque buffer. Only the first field + * is checked to internally enable WPS. If buffer length is zero, the existing + * WPS IE is reset. + */ +static int mwifiex_set_wps_ie(struct mwifiex_private *priv, + u8 *ie_data_ptr, u16 ie_len) +{ + if (ie_len) { + priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL); + if (!priv->wps_ie) + return -ENOMEM; + if (ie_len > sizeof(priv->wps_ie)) { + dev_dbg(priv->adapter->dev, + "info: failed to copy WPS IE, too big\n"); + kfree(priv->wps_ie); + return -1; + } + memcpy(priv->wps_ie, ie_data_ptr, ie_len); + priv->wps_ie_len = ie_len; + dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n", + priv->wps_ie_len, priv->wps_ie[0]); + } else { + kfree(priv->wps_ie); + priv->wps_ie_len = ie_len; + dev_dbg(priv->adapter->dev, + "info: Reset wps_ie_len=%d\n", priv->wps_ie_len); + } + return 0; +} + +/* * IOCTL request handler to set WAPI key. * * This function prepares the correct firmware command and @@ -1185,39 +1213,6 @@ mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, } /* - * Sends IOCTL request to get signal information. - * - * This function allocates the IOCTL request buffer, fills it - * with requisite parameters and calls the IOCTL handler. - */ -int mwifiex_get_signal_info(struct mwifiex_private *priv, - struct mwifiex_ds_get_signal *signal) -{ - int status; - - signal->selector = ALL_RSSI_INFO_MASK; - - /* Signal info can be obtained only if connected */ - if (!priv->media_connected) { - dev_dbg(priv->adapter->dev, - "info: Can not get signal in disconnected state\n"); - return -1; - } - - status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, - HostCmd_ACT_GEN_GET, 0, signal); - - if (!status) { - if (signal->selector & BCN_RSSI_AVG_MASK) - priv->qual_level = signal->bcn_rssi_avg; - if (signal->selector & BCN_NF_AVG_MASK) - priv->qual_noise = signal->bcn_nf_avg; - } - - return status; -} - -/* * Sends IOCTL request to set encoding parameters. * * This function allocates the IOCTL request buffer, fills it @@ -1441,6 +1436,7 @@ mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, priv->wps.session_enable = true; dev_dbg(priv->adapter->dev, "info: WPS Session Enabled.\n"); + ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len); } /* Append the passed data to the end of the diff --git a/drivers/net/wireless/mwifiex/sta_rx.c b/drivers/net/wireless/mwifiex/sta_rx.c index 750b695aca12..02ce3b77d3e7 100644 --- a/drivers/net/wireless/mwifiex/sta_rx.c +++ b/drivers/net/wireless/mwifiex/sta_rx.c @@ -145,7 +145,12 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter, " rx_pkt_offset=%d, rx_pkt_length=%d\n", skb->len, local_rx_pd->rx_pkt_offset, local_rx_pd->rx_pkt_length); priv->stats.rx_dropped++; - dev_kfree_skb_any(skb); + + if (adapter->if_ops.data_complete) + adapter->if_ops.data_complete(adapter, skb); + else + dev_kfree_skb_any(skb); + return ret; } @@ -196,8 +201,12 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter, (u8) local_rx_pd->rx_pkt_type, skb); - if (ret || (rx_pkt_type == PKT_TYPE_BAR)) - dev_kfree_skb_any(skb); + if (ret || (rx_pkt_type == PKT_TYPE_BAR)) { + if (adapter->if_ops.data_complete) + adapter->if_ops.data_complete(adapter, skb); + else + dev_kfree_skb_any(skb); + } if (ret) priv->stats.rx_dropped++; diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c index 7af534feb420..0a046d3a0c16 100644 --- a/drivers/net/wireless/mwifiex/sta_tx.c +++ b/drivers/net/wireless/mwifiex/sta_tx.c @@ -149,10 +149,14 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) local_tx_pd->bss_num = priv->bss_num; local_tx_pd->bss_type = priv->bss_type; - skb_push(skb, INTF_HEADER_LEN); - - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, - skb, NULL); + if (adapter->iface_type == MWIFIEX_USB) { + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA, + skb, NULL); + } else { + skb_push(skb, INTF_HEADER_LEN); + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, + skb, NULL); + } switch (ret) { case -EBUSY: adapter->data_sent = true; diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c index d2af8cb98541..e2faec4db108 100644 --- a/drivers/net/wireless/mwifiex/txrx.c +++ b/drivers/net/wireless/mwifiex/txrx.c @@ -77,12 +77,23 @@ int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb, if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) local_tx_pd = (struct txpd *) (head_ptr + INTF_HEADER_LEN); - - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, - skb, tx_param); + if (adapter->iface_type == MWIFIEX_USB) { + adapter->data_sent = true; + skb_pull(skb, INTF_HEADER_LEN); + ret = adapter->if_ops.host_to_card(adapter, + MWIFIEX_USB_EP_DATA, + skb, NULL); + } else { + ret = adapter->if_ops.host_to_card(adapter, + MWIFIEX_TYPE_DATA, + skb, tx_param); + } } switch (ret) { + case -ENOSR: + dev_err(adapter->dev, "data: -ENOSR is returned\n"); + break; case -EBUSY: if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && (adapter->pps_uapsd_mode) && (adapter->tx_lock_flag)) { @@ -135,6 +146,9 @@ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter, if (!priv) goto done; + if (adapter->iface_type == MWIFIEX_USB) + adapter->data_sent = false; + mwifiex_set_trans_start(priv->netdev); if (!status) { priv->stats.tx_packets++; @@ -162,4 +176,5 @@ done: return 0; } +EXPORT_SYMBOL_GPL(mwifiex_write_data_complete); diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c new file mode 100644 index 000000000000..49ebf20c56eb --- /dev/null +++ b/drivers/net/wireless/mwifiex/usb.c @@ -0,0 +1,1052 @@ +/* + * Marvell Wireless LAN device driver: USB specific handling + * + * Copyright (C) 2012, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +#include "main.h" +#include "usb.h" + +#define USB_VERSION "1.0" + +static const char usbdriver_name[] = "usb8797"; + +static u8 user_rmmod; +static struct mwifiex_if_ops usb_ops; +static struct semaphore add_remove_card_sem; + +static struct usb_device_id mwifiex_usb_table[] = { + {USB_DEVICE(USB8797_VID, USB8797_PID_1)}, + {USB_DEVICE_AND_INTERFACE_INFO(USB8797_VID, USB8797_PID_2, + USB_CLASS_VENDOR_SPEC, + USB_SUBCLASS_VENDOR_SPEC, 0xff)}, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, mwifiex_usb_table); + +static int mwifiex_usb_submit_rx_urb(struct urb_context *ctx, int size); + +/* This function handles received packet. Necessary action is taken based on + * cmd/event/data. + */ +static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, + struct sk_buff *skb, u8 ep) +{ + struct device *dev = adapter->dev; + u32 recv_type; + __le32 tmp; + + if (adapter->hs_activated) + mwifiex_process_hs_config(adapter); + + if (skb->len < INTF_HEADER_LEN) { + dev_err(dev, "%s: invalid skb->len\n", __func__); + return -1; + } + + switch (ep) { + case MWIFIEX_USB_EP_CMD_EVENT: + dev_dbg(dev, "%s: EP_CMD_EVENT\n", __func__); + skb_copy_from_linear_data(skb, &tmp, INTF_HEADER_LEN); + recv_type = le32_to_cpu(tmp); + skb_pull(skb, INTF_HEADER_LEN); + + switch (recv_type) { + case MWIFIEX_USB_TYPE_CMD: + if (skb->len > MWIFIEX_SIZE_OF_CMD_BUFFER) { + dev_err(dev, "CMD: skb->len too large\n"); + return -1; + } else if (!adapter->curr_cmd) { + dev_dbg(dev, "CMD: no curr_cmd\n"); + if (adapter->ps_state == PS_STATE_SLEEP_CFM) { + mwifiex_process_sleep_confirm_resp( + adapter, skb->data, + skb->len); + return 0; + } + return -1; + } + + adapter->curr_cmd->resp_skb = skb; + adapter->cmd_resp_received = true; + break; + case MWIFIEX_USB_TYPE_EVENT: + if (skb->len < sizeof(u32)) { + dev_err(dev, "EVENT: skb->len too small\n"); + return -1; + } + skb_copy_from_linear_data(skb, &tmp, sizeof(u32)); + adapter->event_cause = le32_to_cpu(tmp); + skb_pull(skb, sizeof(u32)); + dev_dbg(dev, "event_cause %#x\n", adapter->event_cause); + + if (skb->len > MAX_EVENT_SIZE) { + dev_err(dev, "EVENT: event body too large\n"); + return -1; + } + + skb_copy_from_linear_data(skb, adapter->event_body, + skb->len); + adapter->event_received = true; + adapter->event_skb = skb; + break; + default: + dev_err(dev, "unknown recv_type %#x\n", recv_type); + return -1; + } + break; + case MWIFIEX_USB_EP_DATA: + dev_dbg(dev, "%s: EP_DATA\n", __func__); + if (skb->len > MWIFIEX_RX_DATA_BUF_SIZE) { + dev_err(dev, "DATA: skb->len too large\n"); + return -1; + } + skb_queue_tail(&adapter->usb_rx_data_q, skb); + adapter->data_received = true; + break; + default: + dev_err(dev, "%s: unknown endport %#x\n", __func__, ep); + return -1; + } + + return -EINPROGRESS; +} + +static void mwifiex_usb_rx_complete(struct urb *urb) +{ + struct urb_context *context = (struct urb_context *)urb->context; + struct mwifiex_adapter *adapter = context->adapter; + struct sk_buff *skb = context->skb; + struct usb_card_rec *card; + int recv_length = urb->actual_length; + int size, status; + + if (!adapter || !adapter->card) { + pr_err("mwifiex adapter or card structure is not valid\n"); + return; + } + + card = (struct usb_card_rec *)adapter->card; + if (card->rx_cmd_ep == context->ep) + atomic_dec(&card->rx_cmd_urb_pending); + else + atomic_dec(&card->rx_data_urb_pending); + + if (recv_length) { + if (urb->status || (adapter->surprise_removed)) { + dev_err(adapter->dev, + "URB status is failed: %d\n", urb->status); + /* Do not free skb in case of command ep */ + if (card->rx_cmd_ep != context->ep) + dev_kfree_skb_any(skb); + goto setup_for_next; + } + if (skb->len > recv_length) + skb_trim(skb, recv_length); + else + skb_put(skb, recv_length - skb->len); + + atomic_inc(&adapter->rx_pending); + status = mwifiex_usb_recv(adapter, skb, context->ep); + + dev_dbg(adapter->dev, "info: recv_length=%d, status=%d\n", + recv_length, status); + if (status == -EINPROGRESS) { + queue_work(adapter->workqueue, &adapter->main_work); + + /* urb for data_ep is re-submitted now; + * urb for cmd_ep will be re-submitted in callback + * mwifiex_usb_recv_complete + */ + if (card->rx_cmd_ep == context->ep) + return; + } else { + atomic_dec(&adapter->rx_pending); + if (status == -1) + dev_err(adapter->dev, + "received data processing failed!\n"); + + /* Do not free skb in case of command ep */ + if (card->rx_cmd_ep != context->ep) + dev_kfree_skb_any(skb); + } + } else if (urb->status) { + if (!adapter->is_suspended) { + dev_warn(adapter->dev, + "Card is removed: %d\n", urb->status); + adapter->surprise_removed = true; + } + dev_kfree_skb_any(skb); + return; + } else { + /* Do not free skb in case of command ep */ + if (card->rx_cmd_ep != context->ep) + dev_kfree_skb_any(skb); + + /* fall through setup_for_next */ + } + +setup_for_next: + if (card->rx_cmd_ep == context->ep) + size = MWIFIEX_RX_CMD_BUF_SIZE; + else + size = MWIFIEX_RX_DATA_BUF_SIZE; + + mwifiex_usb_submit_rx_urb(context, size); + + return; +} + +static void mwifiex_usb_tx_complete(struct urb *urb) +{ + struct urb_context *context = (struct urb_context *)(urb->context); + struct mwifiex_adapter *adapter = context->adapter; + struct usb_card_rec *card = adapter->card; + + dev_dbg(adapter->dev, "%s: status: %d\n", __func__, urb->status); + + if (context->ep == card->tx_cmd_ep) { + dev_dbg(adapter->dev, "%s: CMD\n", __func__); + atomic_dec(&card->tx_cmd_urb_pending); + adapter->cmd_sent = false; + } else { + dev_dbg(adapter->dev, "%s: DATA\n", __func__); + atomic_dec(&card->tx_data_urb_pending); + mwifiex_write_data_complete(adapter, context->skb, + urb->status ? -1 : 0); + } + + queue_work(adapter->workqueue, &adapter->main_work); + + return; +} + +static int mwifiex_usb_submit_rx_urb(struct urb_context *ctx, int size) +{ + struct mwifiex_adapter *adapter = ctx->adapter; + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + + if (card->rx_cmd_ep != ctx->ep) { + ctx->skb = dev_alloc_skb(size); + if (!ctx->skb) { + dev_err(adapter->dev, + "%s: dev_alloc_skb failed\n", __func__); + return -ENOMEM; + } + } + + usb_fill_bulk_urb(ctx->urb, card->udev, + usb_rcvbulkpipe(card->udev, ctx->ep), ctx->skb->data, + size, mwifiex_usb_rx_complete, (void *)ctx); + + if (card->rx_cmd_ep == ctx->ep) + atomic_inc(&card->rx_cmd_urb_pending); + else + atomic_inc(&card->rx_data_urb_pending); + + if (usb_submit_urb(ctx->urb, GFP_ATOMIC)) { + dev_err(adapter->dev, "usb_submit_urb failed\n"); + dev_kfree_skb_any(ctx->skb); + ctx->skb = NULL; + + if (card->rx_cmd_ep == ctx->ep) + atomic_dec(&card->rx_cmd_urb_pending); + else + atomic_dec(&card->rx_data_urb_pending); + + return -1; + } + + return 0; +} + +static void mwifiex_usb_free(struct usb_card_rec *card) +{ + int i; + + if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb) + usb_kill_urb(card->rx_cmd.urb); + + usb_free_urb(card->rx_cmd.urb); + card->rx_cmd.urb = NULL; + + if (atomic_read(&card->rx_data_urb_pending)) + for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) + if (card->rx_data_list[i].urb) + usb_kill_urb(card->rx_data_list[i].urb); + + for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) { + usb_free_urb(card->rx_data_list[i].urb); + card->rx_data_list[i].urb = NULL; + } + + for (i = 0; i < MWIFIEX_TX_DATA_URB; i++) { + usb_free_urb(card->tx_data_list[i].urb); + card->tx_data_list[i].urb = NULL; + } + + usb_free_urb(card->tx_cmd.urb); + card->tx_cmd.urb = NULL; + + return; +} + +/* This function probes an mwifiex device and registers it. It allocates + * the card structure, initiates the device registration and initialization + * procedure by adding a logical interface. + */ +static int mwifiex_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct usb_host_interface *iface_desc = intf->cur_altsetting; + struct usb_endpoint_descriptor *epd; + int ret, i; + struct usb_card_rec *card; + u16 id_vendor, id_product, bcd_device, bcd_usb; + + card = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); + if (!card) + return -ENOMEM; + + id_vendor = le16_to_cpu(udev->descriptor.idVendor); + id_product = le16_to_cpu(udev->descriptor.idProduct); + bcd_device = le16_to_cpu(udev->descriptor.bcdDevice); + bcd_usb = le16_to_cpu(udev->descriptor.bcdUSB); + pr_debug("info: VID/PID = %X/%X, Boot2 version = %X\n", + id_vendor, id_product, bcd_device); + + /* PID_1 is used for firmware downloading only */ + if (id_product == USB8797_PID_1) + card->usb_boot_state = USB8797_FW_DNLD; + else + card->usb_boot_state = USB8797_FW_READY; + + card->udev = udev; + card->intf = intf; + + pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocl=%#x\n", + udev->descriptor.bcdUSB, udev->descriptor.bDeviceClass, + udev->descriptor.bDeviceSubClass, + udev->descriptor.bDeviceProtocol); + + for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { + epd = &iface_desc->endpoint[i].desc; + if (usb_endpoint_dir_in(epd) && + usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT && + usb_endpoint_xfer_bulk(epd)) { + pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n", + le16_to_cpu(epd->wMaxPacketSize), + epd->bEndpointAddress); + card->rx_cmd_ep = usb_endpoint_num(epd); + atomic_set(&card->rx_cmd_urb_pending, 0); + } + if (usb_endpoint_dir_in(epd) && + usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA && + usb_endpoint_xfer_bulk(epd)) { + pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n", + le16_to_cpu(epd->wMaxPacketSize), + epd->bEndpointAddress); + card->rx_data_ep = usb_endpoint_num(epd); + atomic_set(&card->rx_data_urb_pending, 0); + } + if (usb_endpoint_dir_out(epd) && + usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA && + usb_endpoint_xfer_bulk(epd)) { + pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n", + le16_to_cpu(epd->wMaxPacketSize), + epd->bEndpointAddress); + card->tx_data_ep = usb_endpoint_num(epd); + atomic_set(&card->tx_data_urb_pending, 0); + } + if (usb_endpoint_dir_out(epd) && + usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT && + usb_endpoint_xfer_bulk(epd)) { + pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n", + le16_to_cpu(epd->wMaxPacketSize), + epd->bEndpointAddress); + card->tx_cmd_ep = usb_endpoint_num(epd); + atomic_set(&card->tx_cmd_urb_pending, 0); + card->bulk_out_maxpktsize = + le16_to_cpu(epd->wMaxPacketSize); + } + } + + usb_set_intfdata(intf, card); + + ret = mwifiex_add_card(card, &add_remove_card_sem, &usb_ops, + MWIFIEX_USB); + if (ret) { + pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret); + usb_reset_device(udev); + kfree(card); + return ret; + } + + usb_get_dev(udev); + + return 0; +} + +/* Kernel needs to suspend all functions separately. Therefore all + * registered functions must have drivers with suspend and resume + * methods. Failing that the kernel simply removes the whole card. + * + * If already not suspended, this function allocates and sends a + * 'host sleep activate' request to the firmware and turns off the traffic. + */ +static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct usb_card_rec *card = usb_get_intfdata(intf); + struct mwifiex_adapter *adapter; + int i; + + if (!card || !card->adapter) { + pr_err("%s: card or card->adapter is NULL\n", __func__); + return 0; + } + adapter = card->adapter; + + if (unlikely(adapter->is_suspended)) + dev_warn(adapter->dev, "Device already suspended\n"); + + mwifiex_enable_hs(adapter); + + /* 'is_suspended' flag indicates device is suspended. + * It must be set here before the usb_kill_urb() calls. Reason + * is in the complete handlers, urb->status(= -ENOENT) and + * this flag is used in combination to distinguish between a + * 'suspended' state and a 'disconnect' one. + */ + adapter->is_suspended = true; + + for (i = 0; i < adapter->priv_num; i++) + netif_carrier_off(adapter->priv[i]->netdev); + + if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb) + usb_kill_urb(card->rx_cmd.urb); + + if (atomic_read(&card->rx_data_urb_pending)) + for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) + if (card->rx_data_list[i].urb) + usb_kill_urb(card->rx_data_list[i].urb); + + for (i = 0; i < MWIFIEX_TX_DATA_URB; i++) + if (card->tx_data_list[i].urb) + usb_kill_urb(card->tx_data_list[i].urb); + + if (card->tx_cmd.urb) + usb_kill_urb(card->tx_cmd.urb); + + return 0; +} + +/* Kernel needs to suspend all functions separately. Therefore all + * registered functions must have drivers with suspend and resume + * methods. Failing that the kernel simply removes the whole card. + * + * If already not resumed, this function turns on the traffic and + * sends a 'host sleep cancel' request to the firmware. + */ +static int mwifiex_usb_resume(struct usb_interface *intf) +{ + struct usb_card_rec *card = usb_get_intfdata(intf); + struct mwifiex_adapter *adapter; + int i; + + if (!card || !card->adapter) { + pr_err("%s: card or card->adapter is NULL\n", __func__); + return 0; + } + adapter = card->adapter; + + if (unlikely(!adapter->is_suspended)) { + dev_warn(adapter->dev, "Device already resumed\n"); + return 0; + } + + /* Indicate device resumed. The netdev queue will be resumed only + * after the urbs have been re-submitted + */ + adapter->is_suspended = false; + + if (!atomic_read(&card->rx_data_urb_pending)) + for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) + mwifiex_usb_submit_rx_urb(&card->rx_data_list[i], + MWIFIEX_RX_DATA_BUF_SIZE); + + if (!atomic_read(&card->rx_cmd_urb_pending)) { + card->rx_cmd.skb = dev_alloc_skb(MWIFIEX_RX_CMD_BUF_SIZE); + if (card->rx_cmd.skb) + mwifiex_usb_submit_rx_urb(&card->rx_cmd, + MWIFIEX_RX_CMD_BUF_SIZE); + } + + for (i = 0; i < adapter->priv_num; i++) + if (adapter->priv[i]->media_connected) + netif_carrier_on(adapter->priv[i]->netdev); + + /* Disable Host Sleep */ + if (adapter->hs_activated) + mwifiex_cancel_hs(mwifiex_get_priv(adapter, + MWIFIEX_BSS_ROLE_ANY), + MWIFIEX_ASYNC_CMD); + +#ifdef CONFIG_PM + /* Resume handler may be called due to remote wakeup, + * force to exit suspend anyway + */ + usb_disable_autosuspend(card->udev); +#endif /* CONFIG_PM */ + + return 0; +} + +static void mwifiex_usb_disconnect(struct usb_interface *intf) +{ + struct usb_card_rec *card = usb_get_intfdata(intf); + struct mwifiex_adapter *adapter; + int i; + + if (!card || !card->adapter) { + pr_err("%s: card or card->adapter is NULL\n", __func__); + return; + } + + adapter = card->adapter; + if (!adapter->priv_num) + return; + + /* In case driver is removed when asynchronous FW downloading is + * in progress + */ + wait_for_completion(&adapter->fw_load); + + if (user_rmmod) { +#ifdef CONFIG_PM + if (adapter->is_suspended) + mwifiex_usb_resume(intf); +#endif + for (i = 0; i < adapter->priv_num; i++) + if ((GET_BSS_ROLE(adapter->priv[i]) == + MWIFIEX_BSS_ROLE_STA) && + adapter->priv[i]->media_connected) + mwifiex_deauthenticate(adapter->priv[i], NULL); + + mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter, + MWIFIEX_BSS_ROLE_ANY), + MWIFIEX_FUNC_SHUTDOWN); + } + + mwifiex_usb_free(card); + + dev_dbg(adapter->dev, "%s: removing card\n", __func__); + mwifiex_remove_card(adapter, &add_remove_card_sem); + + usb_set_intfdata(intf, NULL); + usb_put_dev(interface_to_usbdev(intf)); + kfree(card); + + return; +} + +static struct usb_driver mwifiex_usb_driver = { + .name = usbdriver_name, + .probe = mwifiex_usb_probe, + .disconnect = mwifiex_usb_disconnect, + .id_table = mwifiex_usb_table, + .suspend = mwifiex_usb_suspend, + .resume = mwifiex_usb_resume, + .supports_autosuspend = 1, +}; + +static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter) +{ + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + int i; + + card->tx_cmd.adapter = adapter; + card->tx_cmd.ep = card->tx_cmd_ep; + + card->tx_cmd.urb = usb_alloc_urb(0, GFP_KERNEL); + if (!card->tx_cmd.urb) { + dev_err(adapter->dev, "tx_cmd.urb allocation failed\n"); + return -ENOMEM; + } + + card->tx_data_ix = 0; + + for (i = 0; i < MWIFIEX_TX_DATA_URB; i++) { + card->tx_data_list[i].adapter = adapter; + card->tx_data_list[i].ep = card->tx_data_ep; + + card->tx_data_list[i].urb = usb_alloc_urb(0, GFP_KERNEL); + if (!card->tx_data_list[i].urb) { + dev_err(adapter->dev, + "tx_data_list[] urb allocation failed\n"); + return -ENOMEM; + } + } + + return 0; +} + +static int mwifiex_usb_rx_init(struct mwifiex_adapter *adapter) +{ + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + int i; + + card->rx_cmd.adapter = adapter; + card->rx_cmd.ep = card->rx_cmd_ep; + + card->rx_cmd.urb = usb_alloc_urb(0, GFP_KERNEL); + if (!card->rx_cmd.urb) { + dev_err(adapter->dev, "rx_cmd.urb allocation failed\n"); + return -ENOMEM; + } + + card->rx_cmd.skb = dev_alloc_skb(MWIFIEX_RX_CMD_BUF_SIZE); + if (!card->rx_cmd.skb) { + dev_err(adapter->dev, "rx_cmd.skb allocation failed\n"); + return -ENOMEM; + } + + if (mwifiex_usb_submit_rx_urb(&card->rx_cmd, MWIFIEX_RX_CMD_BUF_SIZE)) + return -1; + + for (i = 0; i < MWIFIEX_RX_DATA_URB; i++) { + card->rx_data_list[i].adapter = adapter; + card->rx_data_list[i].ep = card->rx_data_ep; + + card->rx_data_list[i].urb = usb_alloc_urb(0, GFP_KERNEL); + if (!card->rx_data_list[i].urb) { + dev_err(adapter->dev, + "rx_data_list[] urb allocation failed\n"); + return -1; + } + if (mwifiex_usb_submit_rx_urb(&card->rx_data_list[i], + MWIFIEX_RX_DATA_BUF_SIZE)) + return -1; + } + + return 0; +} + +static int mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf, + u32 *len, u8 ep, u32 timeout) +{ + struct usb_card_rec *card = adapter->card; + int actual_length, ret; + + if (!(*len % card->bulk_out_maxpktsize)) + (*len)++; + + /* Send the data block */ + ret = usb_bulk_msg(card->udev, usb_sndbulkpipe(card->udev, ep), pbuf, + *len, &actual_length, timeout); + if (ret) { + dev_err(adapter->dev, "usb_bulk_msg for tx failed: %d\n", ret); + ret = -1; + } + + *len = actual_length; + + return ret; +} + +static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf, + u32 *len, u8 ep, u32 timeout) +{ + struct usb_card_rec *card = adapter->card; + int actual_length, ret; + + /* Receive the data response */ + ret = usb_bulk_msg(card->udev, usb_rcvbulkpipe(card->udev, ep), pbuf, + *len, &actual_length, timeout); + if (ret) { + dev_err(adapter->dev, "usb_bulk_msg for rx failed: %d\n", ret); + ret = -1; + } + + *len = actual_length; + + return ret; +} + +/* This function write a command/data packet to card. */ +static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep, + struct sk_buff *skb, + struct mwifiex_tx_param *tx_param) +{ + struct usb_card_rec *card = adapter->card; + struct urb_context *context; + u8 *data = (u8 *)skb->data; + struct urb *tx_urb; + + if (adapter->is_suspended) { + dev_err(adapter->dev, + "%s: not allowed while suspended\n", __func__); + return -1; + } + + if (adapter->surprise_removed) { + dev_err(adapter->dev, "%s: device removed\n", __func__); + return -1; + } + + if (ep == card->tx_data_ep && + atomic_read(&card->tx_data_urb_pending) >= MWIFIEX_TX_DATA_URB) { + return -EBUSY; + } + + dev_dbg(adapter->dev, "%s: ep=%d\n", __func__, ep); + + if (ep == card->tx_cmd_ep) { + context = &card->tx_cmd; + } else { + if (card->tx_data_ix >= MWIFIEX_TX_DATA_URB) + card->tx_data_ix = 0; + context = &card->tx_data_list[card->tx_data_ix++]; + } + + context->adapter = adapter; + context->ep = ep; + context->skb = skb; + tx_urb = context->urb; + + usb_fill_bulk_urb(tx_urb, card->udev, usb_sndbulkpipe(card->udev, ep), + data, skb->len, mwifiex_usb_tx_complete, + (void *)context); + + tx_urb->transfer_flags |= URB_ZERO_PACKET; + + if (ep == card->tx_cmd_ep) + atomic_inc(&card->tx_cmd_urb_pending); + else + atomic_inc(&card->tx_data_urb_pending); + + if (usb_submit_urb(tx_urb, GFP_ATOMIC)) { + dev_err(adapter->dev, "%s: usb_submit_urb failed\n", __func__); + if (ep == card->tx_cmd_ep) { + atomic_dec(&card->tx_cmd_urb_pending); + } else { + atomic_dec(&card->tx_data_urb_pending); + if (card->tx_data_ix) + card->tx_data_ix--; + else + card->tx_data_ix = MWIFIEX_TX_DATA_URB; + } + + return -1; + } else { + if (ep == card->tx_data_ep && + atomic_read(&card->tx_data_urb_pending) == + MWIFIEX_TX_DATA_URB) + return -ENOSR; + } + + return -EINPROGRESS; +} + +/* This function register usb device and initialize parameter. */ +static int mwifiex_register_dev(struct mwifiex_adapter *adapter) +{ + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + + card->adapter = adapter; + adapter->dev = &card->udev->dev; + strcpy(adapter->fw_name, USB8797_DEFAULT_FW_NAME); + + return 0; +} + +/* This function reads one block of firmware data. */ +static int mwifiex_get_fw_data(struct mwifiex_adapter *adapter, + u32 offset, u32 len, u8 *buf) +{ + if (!buf || !len) + return -1; + + if (offset + len > adapter->firmware->size) + return -1; + + memcpy(buf, adapter->firmware->data + offset, len); + + return 0; +} + +static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, + struct mwifiex_fw_image *fw) +{ + int ret = 0; + u8 *firmware = fw->fw_buf, *recv_buff; + u32 retries = USB8797_FW_MAX_RETRY, dlen; + u32 fw_seqnum = 0, tlen = 0, dnld_cmd = 0; + struct fw_data *fwdata; + struct fw_sync_header sync_fw; + u8 check_winner = 1; + + if (!firmware) { + dev_err(adapter->dev, + "No firmware image found! Terminating download\n"); + ret = -1; + goto fw_exit; + } + + /* Allocate memory for transmit */ + fwdata = kzalloc(FW_DNLD_TX_BUF_SIZE, GFP_KERNEL); + if (!fwdata) + goto fw_exit; + + /* Allocate memory for receive */ + recv_buff = kzalloc(FW_DNLD_RX_BUF_SIZE, GFP_KERNEL); + if (!recv_buff) + goto cleanup; + + do { + /* Send pseudo data to check winner status first */ + if (check_winner) { + memset(&fwdata->fw_hdr, 0, sizeof(struct fw_header)); + dlen = 0; + } else { + /* copy the header of the fw_data to get the length */ + if (firmware) + memcpy(&fwdata->fw_hdr, &firmware[tlen], + sizeof(struct fw_header)); + else + mwifiex_get_fw_data(adapter, tlen, + sizeof(struct fw_header), + (u8 *)&fwdata->fw_hdr); + + dlen = le32_to_cpu(fwdata->fw_hdr.data_len); + dnld_cmd = le32_to_cpu(fwdata->fw_hdr.dnld_cmd); + tlen += sizeof(struct fw_header); + + if (firmware) + memcpy(fwdata->data, &firmware[tlen], dlen); + else + mwifiex_get_fw_data(adapter, tlen, dlen, + (u8 *)fwdata->data); + + fwdata->seq_num = cpu_to_le32(fw_seqnum); + tlen += dlen; + } + + /* If the send/receive fails or CRC occurs then retry */ + while (retries--) { + u8 *buf = (u8 *)fwdata; + u32 len = FW_DATA_XMIT_SIZE; + + /* send the firmware block */ + ret = mwifiex_write_data_sync(adapter, buf, &len, + MWIFIEX_USB_EP_CMD_EVENT, + MWIFIEX_USB_TIMEOUT); + if (ret) { + dev_err(adapter->dev, + "write_data_sync: failed: %d\n", ret); + continue; + } + + buf = recv_buff; + len = FW_DNLD_RX_BUF_SIZE; + + /* Receive the firmware block response */ + ret = mwifiex_read_data_sync(adapter, buf, &len, + MWIFIEX_USB_EP_CMD_EVENT, + MWIFIEX_USB_TIMEOUT); + if (ret) { + dev_err(adapter->dev, + "read_data_sync: failed: %d\n", ret); + continue; + } + + memcpy(&sync_fw, recv_buff, + sizeof(struct fw_sync_header)); + + /* check 1st firmware block resp for highest bit set */ + if (check_winner) { + if (le32_to_cpu(sync_fw.cmd) & 0x80000000) { + dev_warn(adapter->dev, + "USB is not the winner %#x\n", + sync_fw.cmd); + + /* returning success */ + ret = 0; + goto cleanup; + } + + dev_dbg(adapter->dev, + "USB is the winner, start to download FW\n"); + + check_winner = 0; + break; + } + + /* check the firmware block response for CRC errors */ + if (sync_fw.cmd) { + dev_err(adapter->dev, + "FW received block with CRC %#x\n", + sync_fw.cmd); + ret = -1; + continue; + } + + retries = USB8797_FW_MAX_RETRY; + break; + } + fw_seqnum++; + } while ((dnld_cmd != FW_HAS_LAST_BLOCK) && retries); + +cleanup: + dev_dbg(adapter->dev, "%s: %d bytes downloaded\n", __func__, tlen); + + kfree(recv_buff); + kfree(fwdata); + + if (retries) + ret = 0; +fw_exit: + return ret; +} + +static int mwifiex_usb_dnld_fw(struct mwifiex_adapter *adapter, + struct mwifiex_fw_image *fw) +{ + int ret; + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + + if (card->usb_boot_state == USB8797_FW_DNLD) { + ret = mwifiex_prog_fw_w_helper(adapter, fw); + if (ret) + return -1; + + /* Boot state changes after successful firmware download */ + if (card->usb_boot_state == USB8797_FW_DNLD) + return -1; + } + + ret = mwifiex_usb_rx_init(adapter); + if (!ret) + ret = mwifiex_usb_tx_init(adapter); + + return ret; +} + +static void mwifiex_submit_rx_urb(struct mwifiex_adapter *adapter, u8 ep) +{ + struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; + + skb_push(card->rx_cmd.skb, INTF_HEADER_LEN); + if ((ep == card->rx_cmd_ep) && + (!atomic_read(&card->rx_cmd_urb_pending))) + mwifiex_usb_submit_rx_urb(&card->rx_cmd, + MWIFIEX_RX_CMD_BUF_SIZE); + + return; +} + +static int mwifiex_usb_cmd_event_complete(struct mwifiex_adapter *adapter, + struct sk_buff *skb) +{ + atomic_dec(&adapter->rx_pending); + mwifiex_submit_rx_urb(adapter, MWIFIEX_USB_EP_CMD_EVENT); + + return 0; +} + +static int mwifiex_usb_data_complete(struct mwifiex_adapter *adapter, + struct sk_buff *skb) +{ + atomic_dec(&adapter->rx_pending); + dev_kfree_skb_any(skb); + + return 0; +} + +/* This function wakes up the card. */ +static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) +{ + /* Simulation of HS_AWAKE event */ + adapter->pm_wakeup_fw_try = false; + adapter->pm_wakeup_card_req = false; + adapter->ps_state = PS_STATE_AWAKE; + + return 0; +} + +static struct mwifiex_if_ops usb_ops = { + .register_dev = mwifiex_register_dev, + .wakeup = mwifiex_pm_wakeup_card, + .wakeup_complete = mwifiex_pm_wakeup_card_complete, + + /* USB specific */ + .dnld_fw = mwifiex_usb_dnld_fw, + .cmdrsp_complete = mwifiex_usb_cmd_event_complete, + .event_complete = mwifiex_usb_cmd_event_complete, + .data_complete = mwifiex_usb_data_complete, + .host_to_card = mwifiex_usb_host_to_card, +}; + +/* This function initializes the USB driver module. + * + * This initiates the semaphore and registers the device with + * USB bus. + */ +static int mwifiex_usb_init_module(void) +{ + int ret; + + pr_debug("Marvell USB8797 Driver\n"); + + sema_init(&add_remove_card_sem, 1); + + ret = usb_register(&mwifiex_usb_driver); + if (ret) + pr_err("Driver register failed!\n"); + else + pr_debug("info: Driver registered successfully!\n"); + + return ret; +} + +/* This function cleans up the USB driver. + * + * The following major steps are followed in .disconnect for cleanup: + * - Resume the device if its suspended + * - Disconnect the device if connected + * - Shutdown the firmware + * - Unregister the device from USB bus. + */ +static void mwifiex_usb_cleanup_module(void) +{ + if (!down_interruptible(&add_remove_card_sem)) + up(&add_remove_card_sem); + + /* set the flag as user is removing this module */ + user_rmmod = 1; + + usb_deregister(&mwifiex_usb_driver); +} + +module_init(mwifiex_usb_init_module); +module_exit(mwifiex_usb_cleanup_module); + +MODULE_AUTHOR("Marvell International Ltd."); +MODULE_DESCRIPTION("Marvell WiFi-Ex USB Driver version" USB_VERSION); +MODULE_VERSION(USB_VERSION); +MODULE_LICENSE("GPL v2"); +MODULE_FIRMWARE("mrvl/usb8797_uapsta.bin"); diff --git a/drivers/net/wireless/mwifiex/usb.h b/drivers/net/wireless/mwifiex/usb.h new file mode 100644 index 000000000000..98c4316cd1a9 --- /dev/null +++ b/drivers/net/wireless/mwifiex/usb.h @@ -0,0 +1,99 @@ +/* + * This file contains definitions for mwifiex USB interface driver. + * + * Copyright (C) 2012, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +#ifndef _MWIFIEX_USB_H +#define _MWIFIEX_USB_H + +#include <linux/usb.h> + +#define USB8797_VID 0x1286 +#define USB8797_PID_1 0x2043 +#define USB8797_PID_2 0x2044 + +#define USB8797_FW_DNLD 1 +#define USB8797_FW_READY 2 +#define USB8797_FW_MAX_RETRY 3 + +#define MWIFIEX_TX_DATA_URB 6 +#define MWIFIEX_RX_DATA_URB 6 +#define MWIFIEX_USB_TIMEOUT 100 + +#define USB8797_DEFAULT_FW_NAME "mrvl/usb8797_uapsta.bin" + +#define FW_DNLD_TX_BUF_SIZE 620 +#define FW_DNLD_RX_BUF_SIZE 2048 +#define FW_HAS_LAST_BLOCK 0x00000004 + +#define FW_DATA_XMIT_SIZE \ + (sizeof(struct fw_header) + dlen + sizeof(u32)) + +struct urb_context { + struct mwifiex_adapter *adapter; + struct sk_buff *skb; + struct urb *urb; + u8 ep; +}; + +struct usb_card_rec { + struct mwifiex_adapter *adapter; + struct usb_device *udev; + struct usb_interface *intf; + u8 rx_cmd_ep; + struct urb_context rx_cmd; + atomic_t rx_cmd_urb_pending; + struct urb_context rx_data_list[MWIFIEX_RX_DATA_URB]; + u8 usb_boot_state; + u8 rx_data_ep; + atomic_t rx_data_urb_pending; + u8 tx_data_ep; + u8 tx_cmd_ep; + atomic_t tx_data_urb_pending; + atomic_t tx_cmd_urb_pending; + int bulk_out_maxpktsize; + struct urb_context tx_cmd; + int tx_data_ix; + struct urb_context tx_data_list[MWIFIEX_TX_DATA_URB]; +}; + +struct fw_header { + __le32 dnld_cmd; + __le32 base_addr; + __le32 data_len; + __le32 crc; +}; + +struct fw_sync_header { + __le32 cmd; + __le32 seq_num; +}; + +struct fw_data { + struct fw_header fw_hdr; + __le32 seq_num; + u8 data[1]; +}; + +/* This function is called after the card has woken up. */ +static inline int +mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter) +{ + return 0; +} + +#endif /*_MWIFIEX_USB_H */ diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c index 6b399976d6c8..2864c74bdb6f 100644 --- a/drivers/net/wireless/mwifiex/util.c +++ b/drivers/net/wireless/mwifiex/util.c @@ -167,6 +167,28 @@ int mwifiex_recv_packet(struct mwifiex_adapter *adapter, struct sk_buff *skb) skb->dev = priv->netdev; skb->protocol = eth_type_trans(skb, priv->netdev); skb->ip_summed = CHECKSUM_NONE; + + /* This is required only in case of 11n and USB as we alloc + * a buffer of 4K only if its 11N (to be able to receive 4K + * AMSDU packets). In case of SD we allocate buffers based + * on the size of packet and hence this is not needed. + * + * Modifying the truesize here as our allocation for each + * skb is 4K but we only receive 2K packets and this cause + * the kernel to start dropping packets in case where + * application has allocated buffer based on 2K size i.e. + * if there a 64K packet received (in IP fragments and + * application allocates 64K to receive this packet but + * this packet would almost double up because we allocate + * each 1.5K fragment in 4K and pass it up. As soon as the + * 64K limit hits kernel will start to drop rest of the + * fragments. Currently we fail the Filesndl-ht.scr script + * for UDP, hence this fix + */ + if ((adapter->iface_type == MWIFIEX_USB) && + (skb->truesize > MWIFIEX_RX_DATA_BUF_SIZE)) + skb->truesize += (skb->len - MWIFIEX_RX_DATA_BUF_SIZE); + priv->stats.rx_bytes += skb->len; priv->stats.rx_packets++; if (in_interrupt()) diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 5a7316c6f125..429a1dee2d26 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -1120,11 +1120,19 @@ mwifiex_send_processed_packet(struct mwifiex_private *priv, tx_info = MWIFIEX_SKB_TXCB(skb); spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); - tx_param.next_pkt_len = - ((skb_next) ? skb_next->len + - sizeof(struct txpd) : 0); - ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, skb, - &tx_param); + + if (adapter->iface_type == MWIFIEX_USB) { + adapter->data_sent = true; + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA, + skb, NULL); + } else { + tx_param.next_pkt_len = + ((skb_next) ? skb_next->len + + sizeof(struct txpd) : 0); + ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA, + skb, &tx_param); + } + switch (ret) { case -EBUSY: dev_dbg(adapter->dev, "data: -EBUSY is returned\n"); |