317 	if (tx->sta)  in ieee80211_tx_h_check_assoc()
318 		assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);  in ieee80211_tx_h_check_assoc()
353 	struct sta_info *sta;  in purge_old_ps_buffers()  local
377 	list_for_each_entry_rcu(sta, &local->sta_list, list) {  in purge_old_ps_buffers()
381 			skb = skb_dequeue(&sta->ps_tx_buf[ac]);  in purge_old_ps_buffers()
382 			total += skb_queue_len(&sta->ps_tx_buf[ac]);  in purge_old_ps_buffers()
460 static int ieee80211_use_mfp(__le16 fc, struct sta_info *sta,  in ieee80211_use_mfp()  argument
466 	if (sta == NULL || !test_sta_flag(sta, WLAN_STA_MFP))  in ieee80211_use_mfp()
478 	struct sta_info *sta = tx->sta;  in ieee80211_tx_h_unicast_ps_buf()  local
483 	if (unlikely(!sta))  in ieee80211_tx_h_unicast_ps_buf()
486 	if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||  in ieee80211_tx_h_unicast_ps_buf()
487 		      test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||  in ieee80211_tx_h_unicast_ps_buf()
488 		      test_sta_flag(sta, WLAN_STA_PS_DELIVER)) &&  in ieee80211_tx_h_unicast_ps_buf()
498 		ps_dbg(sta->sdata, "STA %pM aid %d: PS buffer for AC %d\n",  in ieee80211_tx_h_unicast_ps_buf()
499 		       sta->sta.addr, sta->sta.aid, ac);  in ieee80211_tx_h_unicast_ps_buf()
504 		spin_lock(&sta->ps_lock);  in ieee80211_tx_h_unicast_ps_buf()
510 		if (!test_sta_flag(sta, WLAN_STA_PS_STA) &&  in ieee80211_tx_h_unicast_ps_buf()
511 		    !test_sta_flag(sta, WLAN_STA_PS_DRIVER) &&  in ieee80211_tx_h_unicast_ps_buf()
512 		    !test_sta_flag(sta, WLAN_STA_PS_DELIVER)) {  in ieee80211_tx_h_unicast_ps_buf()
513 			spin_unlock(&sta->ps_lock);  in ieee80211_tx_h_unicast_ps_buf()
517 		if (skb_queue_len(&sta->ps_tx_buf[ac]) >= STA_MAX_TX_BUFFER) {  in ieee80211_tx_h_unicast_ps_buf()
518 			struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf[ac]);  in ieee80211_tx_h_unicast_ps_buf()
521 			       sta->sta.addr, ac);  in ieee80211_tx_h_unicast_ps_buf()
530 		skb_queue_tail(&sta->ps_tx_buf[ac], tx->skb);  in ieee80211_tx_h_unicast_ps_buf()
531 		spin_unlock(&sta->ps_lock);  in ieee80211_tx_h_unicast_ps_buf()
542 		sta_info_recalc_tim(sta);  in ieee80211_tx_h_unicast_ps_buf()
545 	} else if (unlikely(test_sta_flag(sta, WLAN_STA_PS_STA))) {  in ieee80211_tx_h_unicast_ps_buf()
548 		       sta->sta.addr);  in ieee80211_tx_h_unicast_ps_buf()
590 	else if (tx->sta &&  in ieee80211_tx_h_select_key()
591 		 (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx])))  in ieee80211_tx_h_select_key()
624 			    !ieee80211_use_mfp(hdr->frame_control, tx->sta,  in ieee80211_tx_h_select_key()
708 	     (tx->sta && test_sta_flag(tx->sta, WLAN_STA_SHORT_PREAMBLE))))  in ieee80211_tx_h_rate_ctrl()
713 	if (tx->sta)  in ieee80211_tx_h_rate_ctrl()
714 		assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);  in ieee80211_tx_h_rate_ctrl()
721 		 !rate_usable_index_exists(sband, &tx->sta->sta),  in ieee80211_tx_h_rate_ctrl()
733 	rate_control_get_rate(tx->sdata, tx->sta, &txrc);  in ieee80211_tx_h_rate_ctrl()
735 	if (tx->sta && !info->control.skip_table)  in ieee80211_tx_h_rate_ctrl()
736 		ratetbl = rcu_dereference(tx->sta->sta.rates);  in ieee80211_tx_h_rate_ctrl()
759 		if (tx->sta && ieee80211_is_data(hdr->frame_control))  in ieee80211_tx_h_rate_ctrl()
760 			tx->sta->tx_stats.last_rate = txrc.reported_rate;  in ieee80211_tx_h_rate_ctrl()
761 	} else if (tx->sta)  in ieee80211_tx_h_rate_ctrl()
762 		tx->sta->tx_stats.last_rate = txrc.reported_rate;  in ieee80211_tx_h_rate_ctrl()
777 static __le16 ieee80211_tx_next_seq(struct sta_info *sta, int tid)  in ieee80211_tx_next_seq()  argument
779 	u16 *seq = &sta->tid_seq[tid];  in ieee80211_tx_next_seq()
826 		if (tx->sta)  in ieee80211_tx_h_sequence()
827 			tx->sta->tx_stats.msdu[IEEE80211_NUM_TIDS]++;  in ieee80211_tx_h_sequence()
836 	if (!tx->sta)  in ieee80211_tx_h_sequence()
843 	tx->sta->tx_stats.msdu[tid]++;  in ieee80211_tx_h_sequence()
845 	if (!tx->sta->sta.txq[0])  in ieee80211_tx_h_sequence()
846 		hdr->seq_ctrl = ieee80211_tx_next_seq(tx->sta, tid);  in ieee80211_tx_h_sequence()
992 	if (!tx->sta)  in ieee80211_tx_h_stats()
997 		tx->sta->tx_stats.bytes[ac] += skb->len;  in ieee80211_tx_h_stats()
1000 		tx->sta->tx_stats.packets[ac]++;  in ieee80211_tx_h_stats()
1086 	} else if (!tx->sta->sta.txq[tid]) {  in ieee80211_tx_prep_agg()
1087 		spin_lock(&tx->sta->lock);  in ieee80211_tx_prep_agg()
1106 		tid_tx = rcu_dereference_protected_tid_tx(tx->sta, tid);  in ieee80211_tx_prep_agg()
1124 		spin_unlock(&tx->sta->lock);  in ieee80211_tx_prep_agg()
1145 		     struct sta_info *sta, struct sk_buff *skb)  in ieee80211_tx_prepare()  argument
1168 	if (likely(sta)) {  in ieee80211_tx_prepare()
1169 		if (!IS_ERR(sta))  in ieee80211_tx_prepare()
1170 			tx->sta = sta;  in ieee80211_tx_prepare()
1173 			tx->sta = rcu_dereference(sdata->u.vlan.sta);  in ieee80211_tx_prepare()
1174 			if (!tx->sta && sdata->wdev.use_4addr)  in ieee80211_tx_prepare()
1179 			tx->sta = sta_info_get_bss(sdata, hdr->addr1);  in ieee80211_tx_prepare()
1181 		if (!tx->sta && !is_multicast_ether_addr(hdr->addr1))  in ieee80211_tx_prepare()
1182 			tx->sta = sta_info_get(sdata, hdr->addr1);  in ieee80211_tx_prepare()
1185 	if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&  in ieee80211_tx_prepare()
1194 		tid_tx = rcu_dereference(tx->sta->ampdu_mlme.tid_tx[tid]);  in ieee80211_tx_prepare()
1219 	if (!tx->sta)  in ieee80211_tx_prepare()
1221 	else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) {  in ieee80211_tx_prepare()
1223 		ieee80211_check_fast_xmit(tx->sta);  in ieee80211_tx_prepare()
1240 		.sta = pubsta,  in ieee80211_drv_tx()
1302 	if (txq->sta && ieee80211_is_data_qos(hdr->frame_control)) {  in ieee80211_tx_dequeue()
1303 		struct sta_info *sta = container_of(txq->sta, struct sta_info,  in ieee80211_tx_dequeue()  local
1304 						    sta);  in ieee80211_tx_dequeue()
1307 		hdr->seq_ctrl = ieee80211_tx_next_seq(sta, txq->tid);  in ieee80211_tx_dequeue()
1323 			       struct ieee80211_sta *sta,  in ieee80211_tx_frags()  argument
1386 		ieee80211_drv_tx(local, vif, sta, skb);  in ieee80211_tx_frags()
1397 			   struct sta_info *sta, bool txpending)  in __ieee80211_tx()  argument
1414 	if (sta && !sta->uploaded)  in __ieee80211_tx()
1415 		sta = NULL;  in __ieee80211_tx()
1417 	if (sta)  in __ieee80211_tx()
1418 		pubsta = &sta->sta;  in __ieee80211_tx()
1516 			      int band, struct ieee80211_sta **sta)  in ieee80211_tx_prepare_skb()  argument
1533 	if (sta) {  in ieee80211_tx_prepare_skb()
1534 		if (tx.sta)  in ieee80211_tx_prepare_skb()
1535 			*sta = &tx.sta->sta;  in ieee80211_tx_prepare_skb()
1537 			*sta = NULL;  in ieee80211_tx_prepare_skb()
1556 			 struct sta_info *sta, struct sk_buff *skb,  in ieee80211_tx()  argument
1573 	res_prepare = ieee80211_tx_prepare(sdata, &tx, sta, skb);  in ieee80211_tx()
1590 					tx.sta, txpending);  in ieee80211_tx()
1630 		    struct sta_info *sta, struct sk_buff *skb)  in ieee80211_xmit()  argument
1665 	ieee80211_tx(sdata, sta, skb, false);  in ieee80211_xmit()
1911 	struct sta_info *sta;  in ieee80211_lookup_ra_sta()  local
1915 		sta = rcu_dereference(sdata->u.vlan.sta);  in ieee80211_lookup_ra_sta()
1916 		if (sta) {  in ieee80211_lookup_ra_sta()
1917 			*sta_out = sta;  in ieee80211_lookup_ra_sta()
1930 		sta = sta_info_get_bss(sdata, skb->data);  in ieee80211_lookup_ra_sta()
1933 		sta = sta_info_get(sdata, sdata->u.wds.remote_addr);  in ieee80211_lookup_ra_sta()
1943 			sta = sta_info_get(sdata, skb->data);  in ieee80211_lookup_ra_sta()
1944 			if (sta) {  in ieee80211_lookup_ra_sta()
1947 				tdls_peer = test_sta_flag(sta,  in ieee80211_lookup_ra_sta()
1949 				tdls_auth = test_sta_flag(sta,  in ieee80211_lookup_ra_sta()
1953 					*sta_out = sta;  in ieee80211_lookup_ra_sta()
1971 		sta = sta_info_get(sdata, sdata->u.mgd.bssid);  in ieee80211_lookup_ra_sta()
1972 		if (!sta)  in ieee80211_lookup_ra_sta()
1979 	*sta_out = sta ?: ERR_PTR(-ENOENT);  in ieee80211_lookup_ra_sta()
2003 					   struct sta_info *sta)  in ieee80211_build_hdr()  argument
2025 	if (IS_ERR(sta))  in ieee80211_build_hdr()
2026 		sta = NULL;  in ieee80211_build_hdr()
2038 			memcpy(hdr.addr1, sta->sta.addr, ETH_ALEN);  in ieee80211_build_hdr()
2043 			authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);  in ieee80211_build_hdr()
2044 			wme_sta = sta->sta.wme;  in ieee80211_build_hdr()
2159 		tdls_peer = test_sta_flag(sta, WLAN_STA_TDLS_PEER);  in ieee80211_build_hdr()
2226 	if (sta) {  in ieee80211_build_hdr()
2227 		authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);  in ieee80211_build_hdr()
2228 		wme_sta = sta->sta.wme;  in ieee80211_build_hdr()
2421 void ieee80211_check_fast_xmit(struct sta_info *sta)  in ieee80211_check_fast_xmit()  argument
2424 	struct ieee80211_local *local = sta->local;  in ieee80211_check_fast_xmit()
2425 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_check_fast_xmit()
2445 	spin_lock_bh(&sta->lock);  in ieee80211_check_fast_xmit()
2451 	if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))  in ieee80211_check_fast_xmit()
2454 	if (test_sta_flag(sta, WLAN_STA_PS_STA) ||  in ieee80211_check_fast_xmit()
2455 	    test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||  in ieee80211_check_fast_xmit()
2456 	    test_sta_flag(sta, WLAN_STA_PS_DELIVER) ||  in ieee80211_check_fast_xmit()
2457 	    test_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT))  in ieee80211_check_fast_xmit()
2488 		if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {  in ieee80211_check_fast_xmit()
2521 			memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);  in ieee80211_check_fast_xmit()
2542 	if (sta->sta.wme) {  in ieee80211_check_fast_xmit()
2552 	build.key = rcu_access_pointer(sta->ptk[sta->ptk_idx]);  in ieee80211_check_fast_xmit()
2643 	old = rcu_dereference_protected(sta->fast_tx,  in ieee80211_check_fast_xmit()
2644 					lockdep_is_held(&sta->lock));  in ieee80211_check_fast_xmit()
2645 	rcu_assign_pointer(sta->fast_tx, fast_tx);  in ieee80211_check_fast_xmit()
2648 	spin_unlock_bh(&sta->lock);  in ieee80211_check_fast_xmit()
2653 	struct sta_info *sta;  in ieee80211_check_fast_xmit_all()  local
2656 	list_for_each_entry_rcu(sta, &local->sta_list, list)  in ieee80211_check_fast_xmit_all()
2657 		ieee80211_check_fast_xmit(sta);  in ieee80211_check_fast_xmit_all()
2664 	struct sta_info *sta;  in ieee80211_check_fast_xmit_iface()  local
2668 	list_for_each_entry_rcu(sta, &local->sta_list, list) {  in ieee80211_check_fast_xmit_iface()
2669 		if (sdata != sta->sdata &&  in ieee80211_check_fast_xmit_iface()
2670 		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))  in ieee80211_check_fast_xmit_iface()
2672 		ieee80211_check_fast_xmit(sta);  in ieee80211_check_fast_xmit_iface()
2678 void ieee80211_clear_fast_xmit(struct sta_info *sta)  in ieee80211_clear_fast_xmit()  argument
2682 	spin_lock_bh(&sta->lock);  in ieee80211_clear_fast_xmit()
2683 	fast_tx = rcu_dereference_protected(sta->fast_tx,  in ieee80211_clear_fast_xmit()
2684 					    lockdep_is_held(&sta->lock));  in ieee80211_clear_fast_xmit()
2685 	RCU_INIT_POINTER(sta->fast_tx, NULL);  in ieee80211_clear_fast_xmit()
2686 	spin_unlock_bh(&sta->lock);  in ieee80211_clear_fast_xmit()
2693 				struct net_device *dev, struct sta_info *sta,  in ieee80211_xmit_fast()  argument
2723 		tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);  in ieee80211_xmit_fast()
2773 		if (!sta->sta.txq[0])  in ieee80211_xmit_fast()
2774 			hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid);  in ieee80211_xmit_fast()
2782 		sta->tx_stats.msdu[tid] +=  in ieee80211_xmit_fast()
2785 		sta->tx_stats.msdu[tid]++;  in ieee80211_xmit_fast()
2794 	tx.sta = sta;  in ieee80211_xmit_fast()
2816 	sta->tx_stats.bytes[skb_get_queue_mapping(skb)] += skb->len;  in ieee80211_xmit_fast()
2817 	sta->tx_stats.packets[skb_get_queue_mapping(skb)]++;  in ieee80211_xmit_fast()
2844 	ieee80211_tx_frags(local, &sdata->vif, &sta->sta, &tx.skbs, false);  in ieee80211_xmit_fast()
2853 	struct sta_info *sta;  in __ieee80211_subif_start_xmit()  local
2863 	if (ieee80211_lookup_ra_sta(sdata, skb, &sta))  in __ieee80211_subif_start_xmit()
2866 	if (!IS_ERR_OR_NULL(sta)) {  in __ieee80211_subif_start_xmit()
2869 		fast_tx = rcu_dereference(sta->fast_tx);  in __ieee80211_subif_start_xmit()
2872 		    ieee80211_xmit_fast(sdata, dev, sta, fast_tx, skb))  in __ieee80211_subif_start_xmit()
2913 		skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);  in __ieee80211_subif_start_xmit()
2919 		ieee80211_xmit(sdata, sta, skb);  in __ieee80211_subif_start_xmit()
2951 	struct sta_info *sta;  in ieee80211_build_data_template()  local
2955 	if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) {  in ieee80211_build_data_template()
2961 	skb = ieee80211_build_hdr(sdata, skb, info_flags, sta);  in ieee80211_build_data_template()
2966 	tx.sta = sta_info_get(sdata, hdr->addr1);  in ieee80211_build_data_template()
3005 	struct sta_info *sta;  in ieee80211_tx_pending_skb()  local
3027 		sta = sta_info_get(sdata, hdr->addr1);  in ieee80211_tx_pending_skb()
3029 		result = __ieee80211_tx(local, &skbs, skb->len, sta, true);  in ieee80211_tx_pending_skb()
3803 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_reserve_tid()  local
3804 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_reserve_tid()
3825 	if (sta->reserved_tid == tid) {  in ieee80211_reserve_tid()
3830 	if (sta->reserved_tid != IEEE80211_TID_UNRESERVED) {  in ieee80211_reserve_tid()
3843 		set_sta_flag(sta, WLAN_STA_BLOCK_BA);  in ieee80211_reserve_tid()
3844 		__ieee80211_stop_tx_ba_session(sta, tid,  in ieee80211_reserve_tid()
3851 	sta->reserved_tid = tid;  in ieee80211_reserve_tid()
3857 		clear_sta_flag(sta, WLAN_STA_BLOCK_BA);  in ieee80211_reserve_tid()
3867 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);  in ieee80211_unreserve_tid()  local
3868 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_unreserve_tid()
3883 	if (tid != sta->reserved_tid) {  in ieee80211_unreserve_tid()
3888 	sta->reserved_tid = IEEE80211_TID_UNRESERVED;  in ieee80211_unreserve_tid()