73 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)  in iwl_mvm_teardown_tdls_peers()  argument
79 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_teardown_tdls_peers()
82 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_teardown_tdls_peers()
83 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_teardown_tdls_peers()
95 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_sta_count()  argument
102 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_sta_count()
105 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_sta_count()
106 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_sta_count()
122 static void iwl_mvm_tdls_config(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_config()  argument
137 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config()
149 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_config()
150 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_config()
165 	IWL_DEBUG_TDLS(mvm, "send TDLS config to FW for %d peers\n", cnt);  in iwl_mvm_tdls_config()
167 	ret = iwl_mvm_send_cmd(mvm, &cmd);  in iwl_mvm_tdls_config()
173 		IWL_ERR(mvm, "Bad return from TDLS_CONFIG_COMMAND (0x%08X)\n",  in iwl_mvm_tdls_config()
187 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,  in iwl_mvm_recalc_tdls_state()  argument
190 	int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);  in iwl_mvm_recalc_tdls_state()
194 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
197 	iwl_mvm_tdls_config(mvm, vif);  in iwl_mvm_recalc_tdls_state()
201 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
207 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_mac_mgd_protect_tdls_discover()  local
214 	if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS))  in iwl_mvm_mac_mgd_protect_tdls_discover()
217 	mutex_lock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
219 	iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);  in iwl_mvm_mac_mgd_protect_tdls_discover()
220 	mutex_unlock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
222 	iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS);  in iwl_mvm_mac_mgd_protect_tdls_discover()
244 static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm,  in iwl_mvm_tdls_update_cs_state()  argument
247 	if (mvm->tdls_cs.state == state)  in iwl_mvm_tdls_update_cs_state()
250 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch state: %s -> %s\n",  in iwl_mvm_tdls_update_cs_state()
251 		       iwl_mvm_tdls_cs_state_str(mvm->tdls_cs.state),  in iwl_mvm_tdls_update_cs_state()
253 	mvm->tdls_cs.state = state;  in iwl_mvm_tdls_update_cs_state()
257 		mvm->tdls_cs.peer.sent_timestamp =  in iwl_mvm_tdls_update_cs_state()
258 			iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG);  in iwl_mvm_tdls_update_cs_state()
261 		mvm->tdls_cs.cur_sta_id = IWL_MVM_STATION_COUNT;  in iwl_mvm_tdls_update_cs_state()
264 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,  in iwl_mvm_rx_tdls_notif()  argument
275 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_rx_tdls_notif()
279 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_rx_tdls_notif()
286 	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],  in iwl_mvm_rx_tdls_notif()
287 					lockdep_is_held(&mvm->mutex));  in iwl_mvm_rx_tdls_notif()
300 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_rx_tdls_notif()
303 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE);  in iwl_mvm_rx_tdls_notif()
310 iwl_mvm_tdls_check_action(struct iwl_mvm *mvm,  in iwl_mvm_tdls_check_action()  argument
318 	if (mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE &&  in iwl_mvm_tdls_check_action()
319 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_STATION_COUNT) {  in iwl_mvm_tdls_check_action()
321 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_check_action()
322 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_check_action()
327 	switch (mvm->tdls_cs.state) {  in iwl_mvm_tdls_check_action()
351 		else if (timestamp <= mvm->tdls_cs.peer.sent_timestamp)  in iwl_mvm_tdls_check_action()
384 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_check_action()
386 			       type, mvm->tdls_cs.state, peer, same_peer,  in iwl_mvm_tdls_check_action()
393 iwl_mvm_tdls_config_channel_switch(struct iwl_mvm *mvm,  in iwl_mvm_tdls_config_channel_switch()  argument
410 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config_channel_switch()
412 	ret = iwl_mvm_tdls_check_action(mvm, type, peer, peer_initiator,  in iwl_mvm_tdls_config_channel_switch()
438 		if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_config_channel_switch()
439 		    mvm->tdls_cs.peer.chandef.chan) {  in iwl_mvm_tdls_config_channel_switch()
441 			chandef = &mvm->tdls_cs.peer.chandef;  in iwl_mvm_tdls_config_channel_switch()
442 		} else if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_ACTIVE &&  in iwl_mvm_tdls_config_channel_switch()
475 		iwl_mvm_set_tx_cmd_crypto(mvm, info, &cmd.frame.tx_cmd, skb);  in iwl_mvm_tdls_config_channel_switch()
477 	iwl_mvm_set_tx_cmd(mvm, skb, &cmd.frame.tx_cmd, info,  in iwl_mvm_tdls_config_channel_switch()
481 	iwl_mvm_set_tx_cmd_rate(mvm, &cmd.frame.tx_cmd, info, sta,  in iwl_mvm_tdls_config_channel_switch()
487 	ret = iwl_mvm_send_cmd_pdu(mvm, TDLS_CHANNEL_SWITCH_CMD, 0,  in iwl_mvm_tdls_config_channel_switch()
490 		IWL_ERR(mvm, "Failed to send TDLS_CHANNEL_SWITCH cmd: %d\n",  in iwl_mvm_tdls_config_channel_switch()
497 		mvm->tdls_cs.cur_sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_config_channel_switch()
498 		iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_config_channel_switch()
503 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_RESP_RCVD);  in iwl_mvm_tdls_config_channel_switch()
510 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_config_channel_switch()
517 	struct iwl_mvm *mvm;  in iwl_mvm_tdls_ch_switch_work()  local
524 	mvm = container_of(work, struct iwl_mvm, tdls_cs.dwork.work);  in iwl_mvm_tdls_ch_switch_work()
525 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
528 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_ch_switch_work()
531 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_STATION_COUNT)  in iwl_mvm_tdls_ch_switch_work()
535 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_ch_switch_work()
536 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_ch_switch_work()
543 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_ch_switch_work()
546 						 mvm->tdls_cs.peer.initiator,  in iwl_mvm_tdls_ch_switch_work()
547 						 mvm->tdls_cs.peer.op_class,  in iwl_mvm_tdls_ch_switch_work()
548 						 &mvm->tdls_cs.peer.chandef,  in iwl_mvm_tdls_ch_switch_work()
550 						 mvm->tdls_cs.peer.skb,  in iwl_mvm_tdls_ch_switch_work()
551 						 mvm->tdls_cs.peer.ch_sw_tm_ie);  in iwl_mvm_tdls_ch_switch_work()
553 		IWL_ERR(mvm, "Not sending TDLS channel switch: %d\n", ret);  in iwl_mvm_tdls_ch_switch_work()
557 	queue_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_ch_switch_work()
560 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
570 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_channel_switch()  local
575 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
577 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch with %pM ch %d width %d\n",  in iwl_mvm_tdls_channel_switch()
581 	if (mvm->tdls_cs.peer.sta_id != IWL_MVM_STATION_COUNT) {  in iwl_mvm_tdls_channel_switch()
582 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_channel_switch()
589 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_channel_switch()
601 	mvm->tdls_cs.peer.skb = skb_copy(tmpl_skb, GFP_KERNEL);  in iwl_mvm_tdls_channel_switch()
602 	if (!mvm->tdls_cs.peer.skb) {  in iwl_mvm_tdls_channel_switch()
608 	mvm->tdls_cs.peer.sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_channel_switch()
609 	mvm->tdls_cs.peer.chandef = *chandef;  in iwl_mvm_tdls_channel_switch()
610 	mvm->tdls_cs.peer.initiator = sta->tdls_initiator;  in iwl_mvm_tdls_channel_switch()
611 	mvm->tdls_cs.peer.op_class = oper_class;  in iwl_mvm_tdls_channel_switch()
612 	mvm->tdls_cs.peer.ch_sw_tm_ie = ch_sw_tm_ie;  in iwl_mvm_tdls_channel_switch()
620 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_channel_switch()
624 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
632 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_cancel_channel_switch()  local
636 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
638 	IWL_DEBUG_TDLS(mvm, "TDLS cancel channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
641 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_STATION_COUNT) {  in iwl_mvm_tdls_cancel_channel_switch()
642 		IWL_DEBUG_TDLS(mvm, "No ch switch peer - %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
647 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_cancel_channel_switch()
648 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_cancel_channel_switch()
658 	if (mvm->tdls_cs.cur_sta_id == mvm->tdls_cs.peer.sta_id &&  in iwl_mvm_tdls_cancel_channel_switch()
659 	    mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE)  in iwl_mvm_tdls_cancel_channel_switch()
662 	mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT;  in iwl_mvm_tdls_cancel_channel_switch()
663 	dev_kfree_skb(mvm->tdls_cs.peer.skb);  in iwl_mvm_tdls_cancel_channel_switch()
664 	mvm->tdls_cs.peer.skb = NULL;  in iwl_mvm_tdls_cancel_channel_switch()
667 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
675 	flush_delayed_work(&mvm->tdls_cs.dwork);  in iwl_mvm_tdls_cancel_channel_switch()
677 	IWL_DEBUG_TDLS(mvm, "TDLS ending channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
685 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_recv_channel_switch()  local
692 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()
694 	IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_recv_channel_switch()
704 	    mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_recv_channel_switch()
705 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_STATION_COUNT) {  in iwl_mvm_tdls_recv_channel_switch()
710 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_recv_channel_switch()
711 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_recv_channel_switch()
713 			iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_recv_channel_switch()
722 	iwl_mvm_tdls_config_channel_switch(mvm, vif, type, params->sta->addr,  in iwl_mvm_tdls_recv_channel_switch()
734 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_recv_channel_switch()
736 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()