diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 189 |
1 files changed, 185 insertions, 4 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 6b4e877123d6..6ab6397219a5 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -3359,6 +3359,11 @@ s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, mgmt_ie_len = &saved_ie->probe_req_ie_len; mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); break; + case BRCMF_VNDR_IE_PRBRSP_FLAG: + mgmt_ie_buf = saved_ie->probe_res_ie; + mgmt_ie_len = &saved_ie->probe_res_ie_len; + mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); + break; default: err = -EPERM; brcmf_err("not suitable type\n"); @@ -3674,6 +3679,150 @@ brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, return err; } + +static void +brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, + struct wireless_dev *wdev, + u16 frame_type, bool reg) +{ + struct brcmf_if *ifp = netdev_priv(wdev->netdev); + struct brcmf_cfg80211_vif *vif = ifp->vif; + u16 mgmt_type; + + brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); + + mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; + if (reg) + vif->mgmt_rx_reg |= BIT(mgmt_type); + else + vif->mgmt_rx_reg |= ~BIT(mgmt_type); +} + + +static int +brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *chan, bool offchan, + unsigned int wait, const u8 *buf, size_t len, + bool no_cck, bool dont_wait_for_ack, u64 *cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + const struct ieee80211_mgmt *mgmt; + struct brcmf_cfg80211_vif *vif; + s32 err = 0; + s32 ie_offset; + s32 ie_len; + + brcmf_dbg(TRACE, "Enter\n"); + + *cookie = 0; + + mgmt = (const struct ieee80211_mgmt *)buf; + + if (ieee80211_is_mgmt(mgmt->frame_control)) { + if (ieee80211_is_probe_resp(mgmt->frame_control)) { + /* Right now the only reason to get a probe response */ + /* is for p2p listen response from wpa_supplicant. */ + /* Unfortunately the wpa_supplicant sends it on the */ + /* primary ndev, while dongle wants it on the p2p */ + /* vif. Since this is only reason for a probe */ + /* response to be sent, the vif is taken from cfg. */ + /* If ever desired to send proberesp for non p2p */ + /* response then data should be checked for */ + /* "DIRECT-". Note in future supplicant will take */ + /* dedicated p2p wdev to do this and then this 'hack'*/ + /* is not needed anymore. */ + ie_offset = DOT11_MGMT_HDR_LEN + + DOT11_BCN_PRB_FIXED_LEN; + ie_len = len - ie_offset; + + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif == NULL) { + brcmf_err("No p2p device available for probe response\n"); + err = -ENODEV; + goto exit; + } + err = brcmf_vif_set_mgmt_ie(vif, + BRCMF_VNDR_IE_PRBRSP_FLAG, + &buf[ie_offset], + ie_len); + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, + GFP_KERNEL); + goto exit; + } + } + brcmf_dbg(TRACE, "Unhandled, is_mgmt %d, fc=%04x!!!!!\n", + ieee80211_is_mgmt(mgmt->frame_control), mgmt->frame_control); +exit: + return err; +} + + +static int +brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); + struct brcmf_cfg80211_vif *vif; + int err = 0; + + brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); + + vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif == NULL) { + brcmf_err("No p2p device available for probe response\n"); + err = -ENODEV; + goto exit; + } + brcmf_p2p_cancel_remain_on_channel(vif->ifp); +exit: + return err; +} + +static s32 brcmf_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct wireless_dev *wdev; + struct brcmf_cfg80211_vif *vif = ifp->vif; + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u16 chanspec = be16_to_cpu(rxframe->chanspec); + u8 *mgmt_frame; + u32 mgmt_frame_len; + s32 freq; + u16 mgmt_type; + + brcmf_dbg(INFO, + "Enter: event %d reason %d\n", e->event_code, e->reason); + + /* Firmware sends us two proberesponses for each idx one. At the */ + /* moment only bsscfgidx 0 is passed up to supplicant */ + if (e->bsscfgidx) + return 0; + + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4; + if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + mgmt_frame = (u8 *)(rxframe + 1); + mgmt_frame_len = e->datalen - sizeof(*rxframe); + freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), + CHSPEC_IS2G(chanspec) ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + wdev = ifp->ndev->ieee80211_ptr; + cfg80211_rx_mgmt(wdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); + + brcmf_dbg(INFO, + "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", + mgmt_frame_len, e->datalen, chanspec, freq); + + return 0; +} + + static struct cfg80211_ops wl_cfg80211_ops = { .add_virtual_intf = brcmf_cfg80211_add_iface, .del_virtual_intf = brcmf_cfg80211_del_iface, @@ -3703,6 +3852,10 @@ static struct cfg80211_ops wl_cfg80211_ops = { .del_station = brcmf_cfg80211_del_station, .sched_scan_start = brcmf_cfg80211_sched_scan_start, .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, + .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, + .mgmt_tx = brcmf_cfg80211_mgmt_tx, + .remain_on_channel = brcmf_p2p_remain_on_channel, + .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, #ifdef CONFIG_NL80211_TESTMODE .testmode_cmd = brcmf_cfg80211_testmode #endif @@ -3765,6 +3918,30 @@ static const struct ieee80211_iface_combination brcmf_iface_combos[] = { } }; +static const struct ieee80211_txrx_stypes +brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4) + } +}; + static struct wiphy *brcmf_setup_wiphy(struct device *phydev) { struct wiphy *wiphy; @@ -3797,10 +3974,10 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wiphy->cipher_suites = __wl_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); - wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power - * save mode - * by default - */ + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + wiphy->mgmt_stypes = brcmf_txrx_stypes; + wiphy->max_remain_on_channel_duration = 5000; brcmf_wiphy_pno_params(wiphy); err = wiphy_register(wiphy); if (err < 0) { @@ -4271,6 +4448,10 @@ static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) brcmf_notify_sched_scan_results); brcmf_fweh_register(cfg->pub, BRCMF_E_IF, brcmf_notify_vif_event); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, + brcmf_notify_rx_mgmt_p2p_probereq); + brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, + brcmf_p2p_notify_listen_complete); } static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |