diff options
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/p2p.c | 673 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/p2p.h | 51 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 76 |
3 files changed, 707 insertions, 93 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c index 84d6acd9935..4166e642068 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -43,6 +43,9 @@ #define SOCIAL_CHAN_1 1 #define SOCIAL_CHAN_2 6 #define SOCIAL_CHAN_3 11 +#define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ + (channel == SOCIAL_CHAN_2) || \ + (channel == SOCIAL_CHAN_3)) #define SOCIAL_CHAN_CNT 3 #define AF_PEER_SEARCH_CNT 2 @@ -64,11 +67,12 @@ #define P2P_AF_MIN_DWELL_TIME 100 #define P2P_AF_MED_DWELL_TIME 400 #define P2P_AF_LONG_DWELL_TIME 1000 -#define P2P_AF_TX_MAX_RETRY 5 +#define P2P_AF_TX_MAX_RETRY 1 #define P2P_AF_MAX_WAIT_TIME 2000 #define P2P_INVALID_CHANNEL -1 #define P2P_CHANNEL_SYNC_RETRY 5 #define P2P_AF_FRM_SCAN_MAX_WAIT 1500 +#define P2P_DEFAULT_SLEEP_TIME_VSDB 200 /* WiFi P2P Public Action Frame OUI Subtypes */ #define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */ @@ -196,13 +200,15 @@ struct brcmf_p2psd_gas_pub_act_frame { /** * struct brcmf_config_af_params - Action Frame Parameters for tx. * - * @max_tx_retry: max tx retry count if tx no ack. * @mpc_onoff: To make sure to send successfully action frame, we have to * turn off mpc 0: off, 1: on, (-1): do nothing + * @search_channel: 1: search peer's channel to send af + * extra_listen: keep the dwell time to get af response frame. */ struct brcmf_config_af_params { - s32 max_tx_retry; s32 mpc_onoff; + bool search_channel; + bool extra_listen; }; /** @@ -415,6 +421,30 @@ static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) #endif + +/** + * brcmf_p2p_chnr_to_chspec() - convert channel number to chanspec. + * + * @channel: channel number + */ +static u16 brcmf_p2p_chnr_to_chspec(u16 channel) +{ + u16 chanspec; + + chanspec = channel & WL_CHANSPEC_CHAN_MASK; + + if (channel <= CH_MAX_2G_CHANNEL) + chanspec |= WL_CHANSPEC_BAND_2G; + else + chanspec |= WL_CHANSPEC_BAND_5G; + + chanspec |= WL_CHANSPEC_BW_20; + chanspec |= WL_CHANSPEC_CTL_SB_NONE; + + return chanspec; +} + + /** * brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation. * @@ -811,6 +841,43 @@ exit: return err; } + +/** + * brcmf_p2p_find_listen_channel() - find listen channel in ie string. + * + * @ie: string of information elements. + * @ie_len: length of string. + * + * Scan ie for p2p ie and look for attribute 6 channel. If available determine + * channel and return it. + */ +static s32 brcmf_p2p_find_listen_channel(const u8 *ie, u32 ie_len) +{ + u8 channel_ie[5]; + s32 listen_channel; + s32 err; + + err = cfg80211_get_p2p_attr(ie, ie_len, + IEEE80211_P2P_ATTR_LISTEN_CHANNEL, + channel_ie, sizeof(channel_ie)); + if (err < 0) + return err; + + /* listen channel subel length format: */ + /* 3(country) + 1(op. class) + 1(chan num) */ + listen_channel = (s32)channel_ie[3 + 1]; + + if (listen_channel == SOCIAL_CHAN_1 || + listen_channel == SOCIAL_CHAN_2 || + listen_channel == SOCIAL_CHAN_3) { + brcmf_dbg(INFO, "Found my Listen Channel %d\n", listen_channel); + return listen_channel; + } + + return -EPERM; +} + + /** * brcmf_p2p_scan_prep() - prepare scan based on request. * @@ -831,12 +898,13 @@ int brcmf_p2p_scan_prep(struct wiphy *wiphy, if (brcmf_p2p_scan_is_p2p_request(request)) { /* find my listen channel */ - err = cfg80211_get_p2p_attr(request->ie, request->ie_len, - IEEE80211_P2P_ATTR_LISTEN_CHANNEL, - &p2p->listen_channel, 1); + err = brcmf_p2p_find_listen_channel(request->ie, + request->ie_len); if (err < 0) return err; + p2p->afx_hdl.my_listen_chan = err; + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); @@ -859,13 +927,12 @@ int brcmf_p2p_scan_prep(struct wiphy *wiphy, * brcmf_p2p_discover_listen() - set firmware to discover listen state. * * @p2p: p2p device. - * @freq: center frequency for discover listen. - * #@duration: time in ms to stay on channel. + * @channel: channel nr for discover listen. + * @duration: time in ms to stay on channel. * */ static s32 -brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, - struct ieee80211_channel *channel, u32 duration) +brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) { struct brcmf_cfg80211_vif *vif; s32 err = 0; @@ -884,7 +951,7 @@ brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, goto exit; } - chanspec = channel_to_chanspec(channel); + chanspec = brcmf_p2p_chnr_to_chspec(channel); err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN, chanspec, (u16)duration); if (!err) { @@ -911,15 +978,16 @@ int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); struct brcmf_p2p_info *p2p = &cfg->p2p; s32 err; + u16 channel_nr; - brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n", - ieee80211_frequency_to_channel(channel->center_freq), + channel_nr = ieee80211_frequency_to_channel(channel->center_freq); + brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n", channel_nr, duration); err = brcmf_p2p_enable_discovery(p2p); if (err) goto exit; - err = brcmf_p2p_discover_listen(p2p, channel, duration); + err = brcmf_p2p_discover_listen(p2p, channel_nr, duration); if (err) goto exit; @@ -949,11 +1017,20 @@ int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, brcmf_dbg(TRACE, "Enter\n"); if (test_and_clear_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, - &p2p->status)) + &p2p->status)) { + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + brcmf_dbg(INFO, "Listen DONE, wake up wait_next_af\n"); + complete(&p2p->wait_next_af); + } + cfg80211_remain_on_channel_expired(&ifp->vif->wdev, p2p->remain_on_channel_cookie, &p2p->remain_on_channel, GFP_KERNEL); + } return 0; } @@ -974,6 +1051,285 @@ void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp) /** + * brcmf_p2p_act_frm_search() - search function for action frame. + * + * @p2p: p2p device. + * channel: channel on which action frame is to be trasmitted. + * + * search function to reach at common channel to send action frame. When + * channel is 0 then all social channels will be used to send af + */ +static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) +{ + s32 err; + u32 channel_cnt; + u16 *default_chan_list; + u32 i; + + brcmf_dbg(TRACE, "Enter\n"); + + if (channel) + channel_cnt = AF_PEER_SEARCH_CNT; + else + channel_cnt = SOCIAL_CHAN_CNT; + default_chan_list = kzalloc(channel_cnt * sizeof(*default_chan_list), + GFP_KERNEL); + if (default_chan_list == NULL) { + brcmf_err("channel list allocation failed\n"); + err = -ENOMEM; + goto exit; + } + if (channel) { + /* insert same channel to the chan_list */ + for (i = 0; i < channel_cnt; i++) + default_chan_list[i] = + brcmf_p2p_chnr_to_chspec(channel); + } else { + default_chan_list[0] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_1); + default_chan_list[1] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_2); + default_chan_list[2] = brcmf_p2p_chnr_to_chspec(SOCIAL_CHAN_3); + } + err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list, + WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START, + P2PAPI_BSSCFG_DEVICE); + kfree(default_chan_list); +exit: + return err; +} + + +/** + * brcmf_p2p_afx_handler() - afx worker thread. + * + * @work: + * + */ +static void brcmf_p2p_afx_handler(struct work_struct *work) +{ + struct afx_hdl *afx_hdl = container_of(work, struct afx_hdl, afx_work); + struct brcmf_p2p_info *p2p = container_of(afx_hdl, + struct brcmf_p2p_info, + afx_hdl); + s32 err; + + if (!afx_hdl->is_active) + return; + + if (afx_hdl->is_listen && afx_hdl->my_listen_chan) + /* 100ms ~ 300ms */ + err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan, + 100 * (1 + (random32() % 3))); + else + err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan); + + if (err) { + brcmf_err("ERROR occurred! value is (%d)\n", err); + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&afx_hdl->act_frm_scan); + } +} + + +/** + * brcmf_p2p_af_searching_channel() - search channel. + * + * @p2p: p2p device info struct. + * + */ +static s32 brcmf_p2p_af_searching_channel(struct brcmf_p2p_info *p2p) +{ + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct brcmf_cfg80211_vif *pri_vif; + unsigned long duration; + s32 retry; + + brcmf_dbg(TRACE, "Enter\n"); + + pri_vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; + + INIT_COMPLETION(afx_hdl->act_frm_scan); + set_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + afx_hdl->is_active = true; + afx_hdl->peer_chan = P2P_INVALID_CHANNEL; + + /* Loop to wait until we find a peer's channel or the + * pending action frame tx is cancelled. + */ + retry = 0; + duration = msecs_to_jiffies(P2P_AF_FRM_SCAN_MAX_WAIT); + while ((retry < P2P_CHANNEL_SYNC_RETRY) && + (afx_hdl->peer_chan == P2P_INVALID_CHANNEL)) { + afx_hdl->is_listen = false; + brcmf_dbg(TRACE, "Scheduling action frame for sending.. (%d)\n", + retry); + /* search peer on peer's listen channel */ + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, duration); + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + + if (afx_hdl->my_listen_chan) { + brcmf_dbg(TRACE, "Scheduling listen peer, channel=%d\n", + afx_hdl->my_listen_chan); + /* listen on my listen channel */ + afx_hdl->is_listen = true; + schedule_work(&afx_hdl->afx_work); + wait_for_completion_timeout(&afx_hdl->act_frm_scan, + duration); + } + if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || + (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status))) + break; + retry++; + + /* if sta is connected or connecting, sleep for a while before + * retry af tx or finding a peer + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &pri_vif->sme_state) || + test_bit(BRCMF_VIF_STATUS_CONNECTING, &pri_vif->sme_state)) + msleep(P2P_DEFAULT_SLEEP_TIME_VSDB); + } + + brcmf_dbg(TRACE, "Completed search/listen peer_chan=%d\n", + afx_hdl->peer_chan); + afx_hdl->is_active = false; + + clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); + + return afx_hdl->peer_chan; +} + + +/** + * brcmf_p2p_scan_finding_common_channel() - was escan used for finding channel + * + * @cfg: common configuration struct. + * @bi: bss info struct, result from scan. + * + */ +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi) + +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + u8 *ie; + s32 err; + u8 p2p_dev_addr[ETH_ALEN]; + + if (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status)) + return false; + + if (bi == NULL) { + brcmf_dbg(TRACE, "ACTION FRAME SCAN Done\n"); + if (afx_hdl->peer_chan == P2P_INVALID_CHANNEL) + complete(&afx_hdl->act_frm_scan); + return true; + } + + ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); + memset(p2p_dev_addr, 0, sizeof(p2p_dev_addr)); + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_INFO, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if (err < 0) + err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), + IEEE80211_P2P_ATTR_DEVICE_ID, + p2p_dev_addr, sizeof(p2p_dev_addr)); + if ((err >= 0) && + (!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) { + afx_hdl->peer_chan = bi->ctl_ch ? bi->ctl_ch : + CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); + brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n", + afx_hdl->tx_dst_addr, afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return true; +} + +/** + * brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete. + * + * @cfg: common configuration struct. + * + */ +static void +brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg) +{ + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct net_device *ndev = cfg->escan_info.ndev; + + if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) && + (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) || + test_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status))) { + brcmf_dbg(TRACE, "*** Wake UP ** abort actframe iovar\n"); + /* if channel is not zero, "actfame" uses off channel scan. + * So abort scan for off channel completion. + */ + if (p2p->af_sent_channel) + brcmf_notify_escan_complete(cfg, ndev, true, true); + } else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status)) { + brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n"); + /* So abort scan to cancel listen */ + brcmf_notify_escan_complete(cfg, ndev, true, true); + } +} + + +/** + * brcmf_p2p_gon_req_collision() - Check if go negotiaton collission + * + * @p2p: p2p device info struct. + * + * return true if recevied action frame is to be dropped. + */ +static bool +brcmf_p2p_gon_req_collision(struct brcmf_p2p_info *p2p, u8 *mac) +{ + struct brcmf_cfg80211_info *cfg = p2p->cfg; + struct brcmf_if *ifp; + + brcmf_dbg(TRACE, "Enter\n"); + + if (!test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) || + !p2p->gon_req_action) + return false; + + brcmf_dbg(TRACE, "GO Negotiation Request COLLISION !!!\n"); + /* if sa(peer) addr is less than da(my) addr, then this device + * process peer's gon request and block to send gon req. + * if not (sa addr > da addr), + * this device will process gon request and drop gon req of peer. + */ + ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp; + if (memcmp(mac, ifp->mac_addr, ETH_ALEN) < 0) { + brcmf_dbg(INFO, "Block transmit gon req !!!\n"); + p2p->block_gon_req_tx = true; + /* if we are finding a common channel for sending af, + * do not scan more to block to send current gon req + */ + if (test_and_clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status)) + complete(&p2p->afx_hdl.act_frm_scan); + if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status)) + brcmf_p2p_stop_wait_next_action_frame(cfg); + return false; + } + + /* drop gon request of peer to process gon request by this device. */ + brcmf_dbg(INFO, "Drop received gon req !!!\n"); + + return true; +} + + +/** * brcmf_p2p_notify_action_frame_rx() - received action frame. * * @ifp: interfac control. @@ -985,14 +1341,20 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data) { + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; struct wireless_dev *wdev; u32 mgmt_frame_len = e->datalen - sizeof(struct brcmf_rx_mgmt_data); struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u8 *frame = (u8 *)(rxframe + 1); + struct brcmf_p2p_pub_act_frame *act_frm; + struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; u16 chanspec = be16_to_cpu(rxframe->chanspec); struct ieee80211_mgmt *mgmt_frame; - s32 err; s32 freq; u16 mgmt_type; + u8 action; /* Check if wpa_supplicant has registered for this frame */ brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg); @@ -1000,7 +1362,46 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, if ((ifp->vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) return 0; - brcmf_p2p_print_actframe(false, (u8 *)(rxframe + 1), mgmt_frame_len); + brcmf_p2p_print_actframe(false, frame, mgmt_frame_len); + + action = P2P_PAF_SUBTYPE_INVALID; + if (brcmf_p2p_is_pub_action(frame, mgmt_frame_len)) { + act_frm = (struct brcmf_p2p_pub_act_frame *)frame; + action = act_frm->subtype; + if ((action == P2P_PAF_GON_REQ) && + (brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) { + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, + &p2p->status) && + (memcmp(afx_hdl->tx_dst_addr, e->addr, + ETH_ALEN) == 0)) { + afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + return 0; + } + /* After complete GO Negotiation, roll back to mpc mode */ + if ((action == P2P_PAF_GON_CONF) || + (action == P2P_PAF_PROVDIS_RSP)) + brcmf_set_mpc(ifp->ndev, 1); + if (action == P2P_PAF_GON_CONF) { + brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } + } else if (brcmf_p2p_is_gas_action(frame, mgmt_frame_len)) { + sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; + action = sd_act_frm->action; + } + + if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + (p2p->next_af_subtype == action)) { + brcmf_dbg(TRACE, "We got a right next frame! (%d)\n", action); + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + &p2p->status); + /* Stop waiting for next AF. */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } mgmt_frame = kzalloc(offsetof(struct ieee80211_mgmt, u) + mgmt_frame_len, GFP_KERNEL); @@ -1009,13 +1410,11 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, return -ENOMEM; } memcpy(mgmt_frame->da, ifp->mac_addr, ETH_ALEN); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mgmt_frame->bssid, - ETH_ALEN); - if (err < 0) - brcmf_err("BRCMF_C_GET_BSSID error %d\n", err); + brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mgmt_frame->bssid, + ETH_ALEN); memcpy(mgmt_frame->sa, e->addr, ETH_ALEN); mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION); - memcpy(&mgmt_frame->u, (u8 *)(rxframe + 1), mgmt_frame_len); + memcpy(&mgmt_frame->u, frame, mgmt_frame_len); mgmt_frame_len += offsetof(struct ieee80211_mgmt, u); freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), @@ -1046,15 +1445,29 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, struct brcmf_cfg80211_info *cfg = ifp->drvr->config; struct brcmf_p2p_info *p2p = &cfg->p2p; - brcmf_dbg(INFO, "Enter: status %d\n", e->status); + brcmf_dbg(INFO, "Enter: event %s, status=%d\n", + e->event_code == BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE ? + "ACTION_FRAME_OFF_CHAN_COMPLETE" : "ACTION_FRAME_COMPLETE", + e->status); - if (e->status == BRCMF_E_STATUS_SUCCESS) - set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); - else - set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); - /* for now complete the receiver process here !! */ - complete(&p2p->send_af_done); + if (!test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status)) + return 0; + + if (e->event_code == BRCMF_E_ACTION_FRAME_COMPLETE) { + if (e->status == BRCMF_E_STATUS_SUCCESS) + set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, + &p2p->status); + else { + set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); + /* If there is no ack, we don't need to wait for + * WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE event + */ + brcmf_p2p_stop_wait_next_action_frame(cfg); + } + } else { + complete(&p2p->send_af_done); + } return 0; } @@ -1080,6 +1493,7 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p, brcmf_dbg(TRACE, "Enter\n"); + INIT_COMPLETION(p2p->send_af_done); clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); @@ -1091,6 +1505,9 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p, goto exit; } + p2p->af_sent_channel = le32_to_cpu(af_params->channel); + p2p->af_tx_sent_jiffies = jiffies; + timeout = wait_for_completion_timeout(&p2p->send_af_done, msecs_to_jiffies(P2P_AF_MAX_WAIT_TIME)); @@ -1126,16 +1543,21 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, struct brcmf_fil_action_frame_le *action_frame; struct brcmf_p2p_pub_act_frame *act_frm; s32 err = 0; + u16 ie_len; action_frame = &af_params->action_frame; act_frm = (struct brcmf_p2p_pub_act_frame *)(action_frame->data); + config_af_params->extra_listen = true; + switch (act_frm->subtype) { case P2P_PAF_GON_REQ: brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status set\n"); set_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); config_af_params->mpc_onoff = 0; + config_af_params->search_channel = true; p2p->next_af_subtype = act_frm->subtype + 1; + p2p->gon_req_action = true; /* increase dwell time to wait for RESP frame */ af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); break; @@ -1152,8 +1574,10 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, config_af_params->mpc_onoff = 1; /* minimize dwell time */ af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; break; case P2P_PAF_INVITE_REQ: + config_af_params->search_channel = true; p2p->next_af_subtype = act_frm->subtype + 1; /* increase dwell time */ af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); @@ -1161,8 +1585,10 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, case P2P_PAF_INVITE_RSP: /* minimize dwell time */ af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; break; case P2P_PAF_DEVDIS_REQ: + config_af_params->search_channel = true; p2p->next_af_subtype = act_frm->subtype + 1; /* maximize dwell time to wait for RESP frame */ af_params->dwell_time = cpu_to_le32(P2P_AF_LONG_DWELL_TIME); @@ -1170,8 +1596,15 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, case P2P_PAF_DEVDIS_RSP: /* minimize dwell time */ af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); + config_af_params->extra_listen = false; break; case P2P_PAF_PROVDIS_REQ: + ie_len = le16_to_cpu(action_frame->len) - + offsetof(struct brcmf_p2p_pub_act_frame, elts); + if (cfg80211_get_p2p_attr(&act_frm->elts[0], ie_len, + IEEE80211_P2P_ATTR_GROUP_ID, + NULL, 0) < 0) + config_af_params->search_channel = true; config_af_params->mpc_onoff = 0; p2p->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for RESP frame */ @@ -1182,6 +1615,7 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, p2p->next_af_subtype = P2P_PAF_GON_REQ; /* increase dwell time to MED level */ af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); + config_af_params->extra_listen = false; break; default: brcmf_err("Unknown p2p pub act frame subtype: %d\n", @@ -1205,11 +1639,14 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, struct brcmf_p2p_info *p2p = &cfg->p2p; struct brcmf_fil_action_frame_le *action_frame; struct brcmf_config_af_params config_af_params; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; u16 action_frame_len; bool ack = false; u8 category; u8 action; s32 tx_retry; + s32 extra_listen_time; + uint delta_ms; action_frame = &af_params->action_frame; action_frame_len = le16_to_cpu(action_frame->len); @@ -1226,10 +1663,12 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, /* initialize variables */ p2p->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; + p2p->gon_req_action = false; /* config parameters */ - config_af_params.max_tx_retry = P2P_AF_TX_MAX_RETRY; config_af_params.mpc_onoff = -1; + config_af_params.search_channel = false; + config_af_params.extra_listen = false; if (brcmf_p2p_is_pub_action(action_frame->data, action_frame_len)) { /* p2p public action frame process */ @@ -1243,6 +1682,9 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, /* service discovery process */ if (action == P2PSD_ACTION_ID_GAS_IREQ || action == P2PSD_ACTION_ID_GAS_CREQ) { + /* configure service discovery query frame */ + config_af_params.search_channel = true; + /* save next af suptype to cancel */ /* remaining dwell time */ p2p->next_af_subtype = action + 1; @@ -1268,24 +1710,114 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, return false; } + /* if connecting on primary iface, sleep for a while before sending + * af tx for VSDB + */ + if (test_bit(BRCMF_VIF_STATUS_CONNECTING, + &p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->sme_state)) + msleep(50); + /* if scan is ongoing, abort current scan. */ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) brcmf_abort_scanning(cfg); + memcpy(afx_hdl->tx_dst_addr, action_frame->da, ETH_ALEN); + /* To make sure to send successfully action frame, turn off mpc */ if (config_af_params.mpc_onoff == 0) brcmf_set_mpc(ndev, 0); - /* if failed, retry it. tx_retry_max value is configure by .... */ + /* set status and destination address before sending af */ + if (p2p->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { + /* set status to cancel the remained dwell time in rx process */ + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); + } + + p2p->af_sent_channel = 0; + set_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + /* validate channel and p2p ies */ + if (config_af_params.search_channel && + IS_P2P_SOCIAL_CHANNEL(le32_to_cpu(af_params->channel)) && + p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->saved_ie.probe_req_ie_len) { + afx_hdl = &p2p->afx_hdl; + afx_hdl->peer_listen_chan = le32_to_cpu(af_params->channel); + + if (brcmf_p2p_af_searching_channel(p2p) == + P2P_INVALID_CHANNEL) { + brcmf_err("Couldn't find peer's channel.\n"); + goto exit; + } + + /* Abort scan even for VSDB scenarios. Scan gets aborted in + * firmware but after the check of piggyback algorithm. To take + * care of current piggback algo, lets abort the scan here + * itself. + */ + brcmf_notify_escan_complete(cfg, ndev, true, true); + + /* update channel */ + af_params->channel = cpu_to_le32(afx_hdl->peer_chan); + } + tx_retry = 0; - while ((ack == false) && (tx_retry < config_af_params.max_tx_retry)) { + while (!p2p->block_gon_req_tx && + (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) { ack = !brcmf_p2p_tx_action_frame(p2p, af_params); tx_retry++; } - if (ack == false) + if (ack == false) { brcmf_err("Failed to send Action Frame(retry %d)\n", tx_retry); + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + } exit: + clear_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); + + /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. + * if we coundn't get the next action response frame and dongle does + * not keep the dwell time, go to listen state again to get next action + * response frame. + */ + if (ack && config_af_params.extra_listen && !p2p->block_gon_req_tx && + test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && + p2p->af_sent_channel == afx_hdl->my_listen_chan) { + delta_ms = jiffies_to_msecs(jiffies - p2p->af_tx_sent_jiffies); + if (le32_to_cpu(af_params->dwell_time) > delta_ms) + extra_listen_time = le32_to_cpu(af_params->dwell_time) - + delta_ms; + else + extra_listen_time = 0; + if (extra_listen_time > 50) { + set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + brcmf_dbg(INFO, "Wait more time! actual af time:%d, calculated extra listen:%d\n", + le32_to_cpu(af_params->dwell_time), + extra_listen_time); + extra_listen_time += 100; + if (!brcmf_p2p_discover_listen(p2p, + p2p->af_sent_channel, + extra_listen_time)) { + unsigned long duration; + + extra_listen_time += 100; + duration = msecs_to_jiffies(extra_listen_time); + wait_for_completion_timeout(&p2p->wait_next_af, + duration); + } + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + &p2p->status); + } + } + + if (p2p->block_gon_req_tx) { + /* if ack is true, supplicant will wait more time(100ms). + * so we will return it as a success to get more time . + */ + p2p->block_gon_req_tx = false; + ack = true; + } + + clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); /* if all done, turn mpc on again */ if (config_af_params.mpc_onoff == 1) brcmf_set_mpc(ndev, 1); @@ -1293,6 +1825,72 @@ exit: return ack; } +/** + * brcmf_p2p_notify_rx_mgmt_p2p_probereq() - Event handler for p2p probe req. + * + * @ifp: interface pointer for which event was received. + * @e: even message. + * @data: payload of event message (probe request). + */ +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data) +{ + struct brcmf_cfg80211_info *cfg = ifp->drvr->config; + struct brcmf_p2p_info *p2p = &cfg->p2p; + struct afx_hdl *afx_hdl = &p2p->afx_hdl; + struct wireless_dev *wdev; + struct brcmf_cfg80211_vif *vif = ifp->vif; + struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; + u16 chanspec = be16_to_cpu(rxframe->chanspec); + u8 *mgmt_frame; + u32 mgmt_frame_len; + s32 freq; + u16 mgmt_type; + + brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, + e->reason); + + if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && + (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) { + afx_hdl->peer_chan = CHSPEC_CHANNEL(chanspec); + brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", + afx_hdl->peer_chan); + complete(&afx_hdl->act_frm_scan); + } + + /* Firmware sends us two proberesponses for each idx one. At the */ + /* moment anything but bsscfgidx 0 is passed up to supplicant */ + if (e->bsscfgidx == 0) + return 0; + + /* Filter any P2P probe reqs arriving during the GO-NEG Phase */ + if (test_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status)) { + brcmf_dbg(INFO, "Filtering P2P probe_req in GO-NEG phase\n"); + return 0; + } + + /* Check if wpa_supplicant has registered for this frame */ + brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg); + mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4; + if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) + return 0; + + mgmt_frame = (u8 *)(rxframe + 1); + mgmt_frame_len = e->datalen - sizeof(*rxframe); + freq = ieee80211_channel_to_frequency(CHSPEC_CHANNEL(chanspec), + CHSPEC_IS2G(chanspec) ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ); + wdev = ifp->ndev->ieee80211_ptr; + cfg80211_rx_mgmt(wdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); + + brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", + mgmt_frame_len, e->datalen, chanspec, freq); + + return 0; +} + /** * brcmf_p2p_attach() - attach for P2P. @@ -1362,6 +1960,9 @@ s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg) } init_completion(&p2p->send_af_done); + INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); + init_completion(&p2p->afx_hdl.act_frm_scan); + init_completion(&p2p->wait_next_af); } exit: return err; @@ -1622,6 +2223,7 @@ fail: int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) { struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct brcmf_p2p_info *p2p = &cfg->p2p; struct brcmf_cfg80211_vif *vif; unsigned long jiffie_timeout = msecs_to_jiffies(1500); bool wait_for_disable = false; @@ -1647,6 +2249,9 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) break; } + clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); + brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); + if (wait_for_disable) wait_for_completion_timeout(&cfg->vif_disabled, msecs_to_jiffies(500)); @@ -1666,7 +2271,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) } brcmf_cfg80211_arm_vif_event(cfg, NULL); brcmf_free_vif(vif); - cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; + p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; return err; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h index 9e0e962466b..6821b26224b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h @@ -58,6 +58,10 @@ struct p2p_bss { * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. + * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. + * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. + * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. + * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. */ enum brcmf_p2p_status { BRCMF_P2P_STATUS_ENABLED, @@ -69,7 +73,34 @@ enum brcmf_p2p_status { BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, BRCMF_P2P_STATUS_ACTION_TX_NOACK, BRCMF_P2P_STATUS_GO_NEG_PHASE, - BRCMF_P2P_STATUS_DISCOVER_LISTEN + BRCMF_P2P_STATUS_DISCOVER_LISTEN, + BRCMF_P2P_STATUS_SENDING_ACT_FRAME, + BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, + BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, + BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL +}; + +/** + * struct afx_hdl - action frame off channel storage. + * + * @afx_work: worker thread for searching channel + * @act_frm_scan: thread synchronizing struct. + * @is_active: channel searching active. + * @peer_chan: current channel. + * @is_listen: sets mode for afx worker. + * @my_listen_chan: this peers listen channel. + * @peer_listen_chan: remote peers listen channel. + * @tx_dst_addr: mac address where tx af should be sent to. + */ +struct afx_hdl { + struct work_struct afx_work; + struct completion act_frm_scan; + bool is_active; + s32 peer_chan; + bool is_listen; + u16 my_listen_chan; + u16 peer_listen_chan; + u8 tx_dst_addr[ETH_ALEN]; }; /** @@ -87,6 +118,12 @@ enum brcmf_p2p_status { * @remain_on_channel_cookie: cookie counter for remain on channel cmd * @next_af_subtype: expected action frame subtype. * @send_af_done: indication that action frame tx is complete. + * @afx_hdl: action frame search handler info. + * @af_sent_channel: channel action frame is sent. + * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. + * @wait_next_af: thread synchronizing struct. + * @gon_req_action: about to send go negotiation requets frame. + * @block_gon_req_tx: drop tx go negotiation requets frame. */ struct brcmf_p2p_info { struct brcmf_cfg80211_info *cfg; @@ -101,6 +138,12 @@ struct brcmf_p2p_info { u32 remain_on_channel_cookie; u8 next_af_subtype; struct completion send_af_done; + struct afx_hdl afx_hdl; + u32 af_sent_channel; + unsigned long af_tx_sent_jiffies; + struct completion wait_next_af; + bool gon_req_action; + bool block_gon_req_tx; }; s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg); @@ -132,5 +175,9 @@ int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, struct brcmf_fil_af_params_le *af_params); - +bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, + struct brcmf_bss_info_le *bi); +s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, + const struct brcmf_event_msg *e, + void *data); #endif /* WL_CFGP2P_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index b5cc1546357..481f41ad798 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -601,10 +601,8 @@ brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, cfg80211_scan_done(scan_request, aborted); brcmf_set_mpc(ndev, 1); } - if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("Scan complete while device not scanning\n"); - return -EPERM; - } + if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) + brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); return err; } @@ -2525,8 +2523,7 @@ static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) container_of(work, struct brcmf_cfg80211_info, escan_timeout_work); - brcmf_notify_escan_complete(cfg, - cfg->escan_info.ndev, true, true); + brcmf_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } static void brcmf_escan_timeout(unsigned long data) @@ -2603,11 +2600,6 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, brcmf_err("Invalid escan result (NULL pointer)\n"); goto exit; } - if (!cfg->scan_request) { - brcmf_dbg(SCAN, "result without cfg80211 request\n"); - goto exit; - } - if (le16_to_cpu(escan_result_le->bss_count) != 1) { brcmf_err("Invalid bss_count %d: ignoring\n", escan_result_le->bss_count); @@ -2615,6 +2607,14 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, } bss_info_le = &escan_result_le->bss_info_le; + if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) + goto exit; + + if (!cfg->scan_request) { + brcmf_dbg(SCAN, "result without cfg80211 request\n"); + goto exit; + } + bi_length = le32_to_cpu(bss_info_le->length); if (bi_length != (le32_to_cpu(escan_result_le->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { @@ -2653,6 +2653,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, list->count++; } else { cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) + goto exit; if (cfg->scan_request) { cfg->bss_list = (struct brcmf_scan_results *) cfg->escan_info.escan_buf; @@ -2661,7 +2663,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, brcmf_notify_escan_complete(cfg, ndev, aborted, false); } else - brcmf_err("Unexpected scan result 0x%x\n", status); + brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", + status); } exit: return err; @@ -4038,50 +4041,6 @@ 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 anything but bsscfgidx 0 is passed up to supplicant */ - if (e->bsscfgidx == 0) - 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, @@ -4240,6 +4199,7 @@ static struct wiphy *brcmf_setup_wiphy(struct device *phydev) wiphy->cipher_suites = __wl_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | + WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; wiphy->mgmt_stypes = brcmf_txrx_stypes; wiphy->max_remain_on_channel_duration = 5000; @@ -4721,13 +4681,15 @@ static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) 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_p2p_notify_rx_mgmt_p2p_probereq); brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, brcmf_p2p_notify_listen_complete); brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, brcmf_p2p_notify_action_frame_rx); brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, brcmf_p2p_notify_action_tx_complete); + brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, + brcmf_p2p_notify_action_tx_complete); } static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |