16 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)  in iwl_mvm_teardown_tdls_peers()  argument
22 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_teardown_tdls_peers()
24 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {  in iwl_mvm_teardown_tdls_peers()
25 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_teardown_tdls_peers()
26 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_teardown_tdls_peers()
38 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_sta_count()  argument
45 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_sta_count()
47 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {  in iwl_mvm_tdls_sta_count()
48 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_sta_count()
49 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_sta_count()
65 static void iwl_mvm_tdls_config(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_config()  argument
80 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config()
91 	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {  in iwl_mvm_tdls_config()
92 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_config()
93 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_config()
108 	IWL_DEBUG_TDLS(mvm, "send TDLS config to FW for %d peers\n", cnt);  in iwl_mvm_tdls_config()
110 	ret = iwl_mvm_send_cmd(mvm, &cmd);  in iwl_mvm_tdls_config()
123 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,  in iwl_mvm_recalc_tdls_state()  argument
126 	int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);  in iwl_mvm_recalc_tdls_state()
130 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
137 	if (fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_recalc_tdls_state()
139 		iwl_mvm_tdls_config(mvm, vif);  in iwl_mvm_recalc_tdls_state()
143 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
149 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_mac_mgd_protect_tdls_discover()  local
153 	mutex_lock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
154 	if (fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_mac_mgd_protect_tdls_discover()
156 		iwl_mvm_schedule_session_protection(mvm, vif, duration,  in iwl_mvm_mac_mgd_protect_tdls_discover()
159 		iwl_mvm_protect_session(mvm, vif, duration,  in iwl_mvm_mac_mgd_protect_tdls_discover()
161 	mutex_unlock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
183 static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm,  in iwl_mvm_tdls_update_cs_state()  argument
186 	if (mvm->tdls_cs.state == state)  in iwl_mvm_tdls_update_cs_state()
189 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch state: %s -> %s\n",  in iwl_mvm_tdls_update_cs_state()
190 		       iwl_mvm_tdls_cs_state_str(mvm->tdls_cs.state),  in iwl_mvm_tdls_update_cs_state()
192 	mvm->tdls_cs.state = state;  in iwl_mvm_tdls_update_cs_state()
196 		mvm->tdls_cs.peer.sent_timestamp = iwl_mvm_get_systime(mvm);  in iwl_mvm_tdls_update_cs_state()
199 		mvm->tdls_cs.cur_sta_id = IWL_MVM_INVALID_STA;  in iwl_mvm_tdls_update_cs_state()
202 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_rx_tdls_notif()  argument
212 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_rx_tdls_notif()
216 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_rx_tdls_notif()
220 	if (WARN_ON(sta_id >= mvm->fw->ucode_capa.num_stations))  in iwl_mvm_rx_tdls_notif()
223 	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],  in iwl_mvm_rx_tdls_notif()
224 					lockdep_is_held(&mvm->mutex));  in iwl_mvm_rx_tdls_notif()
237 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_rx_tdls_notif()
240 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE);  in iwl_mvm_rx_tdls_notif()
244 iwl_mvm_tdls_check_action(struct iwl_mvm *mvm,  in iwl_mvm_tdls_check_action()  argument
252 	if (mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE &&  in iwl_mvm_tdls_check_action()
253 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_check_action()
255 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_check_action()
256 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_check_action()
261 	switch (mvm->tdls_cs.state) {  in iwl_mvm_tdls_check_action()
285 		else if (timestamp <= mvm->tdls_cs.peer.sent_timestamp)  in iwl_mvm_tdls_check_action()
318 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_check_action()
320 			       type, mvm->tdls_cs.state, peer, same_peer,  in iwl_mvm_tdls_check_action()
327 iwl_mvm_tdls_config_channel_switch(struct iwl_mvm *mvm,  in iwl_mvm_tdls_config_channel_switch()  argument
343 		iwl_mvm_chan_info_cmd_tail(mvm, &cmd.ci);  in iwl_mvm_tdls_config_channel_switch()
344 	u16 len = sizeof(cmd) - iwl_mvm_chan_info_padding(mvm);  in iwl_mvm_tdls_config_channel_switch()
347 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config_channel_switch()
349 	ret = iwl_mvm_tdls_check_action(mvm, type, peer, peer_initiator,  in iwl_mvm_tdls_config_channel_switch()
375 		if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_config_channel_switch()
376 		    mvm->tdls_cs.peer.chandef.chan) {  in iwl_mvm_tdls_config_channel_switch()
378 			chandef = &mvm->tdls_cs.peer.chandef;  in iwl_mvm_tdls_config_channel_switch()
379 		} else if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_ACTIVE &&  in iwl_mvm_tdls_config_channel_switch()
395 		iwl_mvm_set_chan_info_chandef(mvm, &cmd.ci, chandef);  in iwl_mvm_tdls_config_channel_switch()
416 	iwl_mvm_set_tx_cmd(mvm, skb, &tail->frame.tx_cmd, info,  in iwl_mvm_tdls_config_channel_switch()
419 	iwl_mvm_set_tx_cmd_rate(mvm, &tail->frame.tx_cmd, info, sta,  in iwl_mvm_tdls_config_channel_switch()
425 	ret = iwl_mvm_send_cmd_pdu(mvm, TDLS_CHANNEL_SWITCH_CMD, 0, len, &cmd);  in iwl_mvm_tdls_config_channel_switch()
427 		IWL_ERR(mvm, "Failed to send TDLS_CHANNEL_SWITCH cmd: %d\n",  in iwl_mvm_tdls_config_channel_switch()
434 		mvm->tdls_cs.cur_sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_config_channel_switch()
435 		iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_config_channel_switch()
440 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_RESP_RCVD);  in iwl_mvm_tdls_config_channel_switch()
447 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_config_channel_switch()
454 	struct iwl_mvm *mvm;  in iwl_mvm_tdls_ch_switch_work()  local
461 	mvm = container_of(work, struct iwl_mvm, tdls_cs.dwork.work);  in iwl_mvm_tdls_ch_switch_work()
462 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
465 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_ch_switch_work()
468 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_INVALID_STA)  in iwl_mvm_tdls_ch_switch_work()
472 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_ch_switch_work()
473 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_ch_switch_work()
480 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_ch_switch_work()
483 						 mvm->tdls_cs.peer.initiator,  in iwl_mvm_tdls_ch_switch_work()
484 						 mvm->tdls_cs.peer.op_class,  in iwl_mvm_tdls_ch_switch_work()
485 						 &mvm->tdls_cs.peer.chandef,  in iwl_mvm_tdls_ch_switch_work()
487 						 mvm->tdls_cs.peer.skb,  in iwl_mvm_tdls_ch_switch_work()
488 						 mvm->tdls_cs.peer.ch_sw_tm_ie);  in iwl_mvm_tdls_ch_switch_work()
490 		IWL_ERR(mvm, "Not sending TDLS channel switch: %d\n", ret);  in iwl_mvm_tdls_ch_switch_work()
494 	schedule_delayed_work(&mvm->tdls_cs.dwork, msecs_to_jiffies(delay));  in iwl_mvm_tdls_ch_switch_work()
496 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
506 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_channel_switch()  local
511 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
513 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch with %pM ch %d width %d\n",  in iwl_mvm_tdls_channel_switch()
517 	if (mvm->tdls_cs.peer.sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_channel_switch()
518 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_channel_switch()
525 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_channel_switch()
537 	mvm->tdls_cs.peer.skb = skb_copy(tmpl_skb, GFP_KERNEL);  in iwl_mvm_tdls_channel_switch()
538 	if (!mvm->tdls_cs.peer.skb) {  in iwl_mvm_tdls_channel_switch()
544 	mvm->tdls_cs.peer.sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_channel_switch()
545 	mvm->tdls_cs.peer.chandef = *chandef;  in iwl_mvm_tdls_channel_switch()
546 	mvm->tdls_cs.peer.initiator = sta->tdls_initiator;  in iwl_mvm_tdls_channel_switch()
547 	mvm->tdls_cs.peer.op_class = oper_class;  in iwl_mvm_tdls_channel_switch()
548 	mvm->tdls_cs.peer.ch_sw_tm_ie = ch_sw_tm_ie;  in iwl_mvm_tdls_channel_switch()
556 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_channel_switch()
560 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
568 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_cancel_channel_switch()  local
572 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
574 	IWL_DEBUG_TDLS(mvm, "TDLS cancel channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
577 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_cancel_channel_switch()
578 		IWL_DEBUG_TDLS(mvm, "No ch switch peer - %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
583 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_cancel_channel_switch()
584 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_cancel_channel_switch()
594 	if (mvm->tdls_cs.cur_sta_id == mvm->tdls_cs.peer.sta_id &&  in iwl_mvm_tdls_cancel_channel_switch()
595 	    mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE)  in iwl_mvm_tdls_cancel_channel_switch()
598 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;  in iwl_mvm_tdls_cancel_channel_switch()
599 	dev_kfree_skb(mvm->tdls_cs.peer.skb);  in iwl_mvm_tdls_cancel_channel_switch()
600 	mvm->tdls_cs.peer.skb = NULL;  in iwl_mvm_tdls_cancel_channel_switch()
603 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
611 	flush_delayed_work(&mvm->tdls_cs.dwork);  in iwl_mvm_tdls_cancel_channel_switch()
613 	IWL_DEBUG_TDLS(mvm, "TDLS ending channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
621 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_recv_channel_switch()  local
628 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()
630 	IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_recv_channel_switch()
640 	    mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_recv_channel_switch()
641 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_recv_channel_switch()
646 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_recv_channel_switch()
647 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_recv_channel_switch()
649 			iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_recv_channel_switch()
658 	iwl_mvm_tdls_config_channel_switch(mvm, vif, type, params->sta->addr,  in iwl_mvm_tdls_recv_channel_switch()
670 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_recv_channel_switch()
672 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()