72 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)  in iwl_mvm_teardown_tdls_peers()  argument
78 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_teardown_tdls_peers()
80 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {  in iwl_mvm_teardown_tdls_peers()
81 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_teardown_tdls_peers()
82 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_teardown_tdls_peers()
94 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_sta_count()  argument
101 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_sta_count()
103 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {  in iwl_mvm_tdls_sta_count()
104 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_sta_count()
105 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_sta_count()
121 static void iwl_mvm_tdls_config(struct iwl_mvm *mvm, struct ieee80211_vif *vif)  in iwl_mvm_tdls_config()  argument
136 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config()
147 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {  in iwl_mvm_tdls_config()
148 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],  in iwl_mvm_tdls_config()
149 						lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_config()
164 	IWL_DEBUG_TDLS(mvm, "send TDLS config to FW for %d peers\n", cnt);  in iwl_mvm_tdls_config()
166 	ret = iwl_mvm_send_cmd(mvm, &cmd);  in iwl_mvm_tdls_config()
179 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,  in iwl_mvm_recalc_tdls_state()  argument
182 	int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);  in iwl_mvm_recalc_tdls_state()
186 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
193 	if (fw_has_capa(&mvm->fw->ucode_capa,  in iwl_mvm_recalc_tdls_state()
195 		iwl_mvm_tdls_config(mvm, vif);  in iwl_mvm_recalc_tdls_state()
199 		iwl_mvm_power_update_mac(mvm);  in iwl_mvm_recalc_tdls_state()
205 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_mac_mgd_protect_tdls_discover()  local
208 	mutex_lock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
210 	iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);  in iwl_mvm_mac_mgd_protect_tdls_discover()
211 	mutex_unlock(&mvm->mutex);  in iwl_mvm_mac_mgd_protect_tdls_discover()
233 static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm,  in iwl_mvm_tdls_update_cs_state()  argument
236 	if (mvm->tdls_cs.state == state)  in iwl_mvm_tdls_update_cs_state()
239 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch state: %s -> %s\n",  in iwl_mvm_tdls_update_cs_state()
240 		       iwl_mvm_tdls_cs_state_str(mvm->tdls_cs.state),  in iwl_mvm_tdls_update_cs_state()
242 	mvm->tdls_cs.state = state;  in iwl_mvm_tdls_update_cs_state()
246 		mvm->tdls_cs.peer.sent_timestamp = iwl_mvm_get_systime(mvm);  in iwl_mvm_tdls_update_cs_state()
249 		mvm->tdls_cs.cur_sta_id = IWL_MVM_INVALID_STA;  in iwl_mvm_tdls_update_cs_state()
252 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)  in iwl_mvm_rx_tdls_notif()  argument
262 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_rx_tdls_notif()
266 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_rx_tdls_notif()
273 	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],  in iwl_mvm_rx_tdls_notif()
274 					lockdep_is_held(&mvm->mutex));  in iwl_mvm_rx_tdls_notif()
287 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_rx_tdls_notif()
290 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE);  in iwl_mvm_rx_tdls_notif()
294 iwl_mvm_tdls_check_action(struct iwl_mvm *mvm,  in iwl_mvm_tdls_check_action()  argument
302 	if (mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE &&  in iwl_mvm_tdls_check_action()
303 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_check_action()
305 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_check_action()
306 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_check_action()
311 	switch (mvm->tdls_cs.state) {  in iwl_mvm_tdls_check_action()
335 		else if (timestamp <= mvm->tdls_cs.peer.sent_timestamp)  in iwl_mvm_tdls_check_action()
368 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_check_action()
370 			       type, mvm->tdls_cs.state, peer, same_peer,  in iwl_mvm_tdls_check_action()
377 iwl_mvm_tdls_config_channel_switch(struct iwl_mvm *mvm,  in iwl_mvm_tdls_config_channel_switch()  argument
393 		iwl_mvm_chan_info_cmd_tail(mvm, &cmd.ci);  in iwl_mvm_tdls_config_channel_switch()
394 	u16 len = sizeof(cmd) - iwl_mvm_chan_info_padding(mvm);  in iwl_mvm_tdls_config_channel_switch()
397 	lockdep_assert_held(&mvm->mutex);  in iwl_mvm_tdls_config_channel_switch()
399 	ret = iwl_mvm_tdls_check_action(mvm, type, peer, peer_initiator,  in iwl_mvm_tdls_config_channel_switch()
425 		if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_config_channel_switch()
426 		    mvm->tdls_cs.peer.chandef.chan) {  in iwl_mvm_tdls_config_channel_switch()
428 			chandef = &mvm->tdls_cs.peer.chandef;  in iwl_mvm_tdls_config_channel_switch()
429 		} else if (mvm->tdls_cs.state == IWL_MVM_TDLS_SW_ACTIVE &&  in iwl_mvm_tdls_config_channel_switch()
445 		iwl_mvm_set_chan_info_chandef(mvm, &cmd.ci, chandef);  in iwl_mvm_tdls_config_channel_switch()
466 	iwl_mvm_set_tx_cmd(mvm, skb, &tail->frame.tx_cmd, info,  in iwl_mvm_tdls_config_channel_switch()
469 	iwl_mvm_set_tx_cmd_rate(mvm, &tail->frame.tx_cmd, info, sta,  in iwl_mvm_tdls_config_channel_switch()
475 	ret = iwl_mvm_send_cmd_pdu(mvm, TDLS_CHANNEL_SWITCH_CMD, 0, len, &cmd);  in iwl_mvm_tdls_config_channel_switch()
477 		IWL_ERR(mvm, "Failed to send TDLS_CHANNEL_SWITCH cmd: %d\n",  in iwl_mvm_tdls_config_channel_switch()
484 		mvm->tdls_cs.cur_sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_config_channel_switch()
485 		iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_config_channel_switch()
490 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_RESP_RCVD);  in iwl_mvm_tdls_config_channel_switch()
497 		iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_config_channel_switch()
504 	struct iwl_mvm *mvm;  in iwl_mvm_tdls_ch_switch_work()  local
511 	mvm = container_of(work, struct iwl_mvm, tdls_cs.dwork.work);  in iwl_mvm_tdls_ch_switch_work()
512 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
515 	iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE);  in iwl_mvm_tdls_ch_switch_work()
518 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_INVALID_STA)  in iwl_mvm_tdls_ch_switch_work()
522 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_ch_switch_work()
523 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_ch_switch_work()
530 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_ch_switch_work()
533 						 mvm->tdls_cs.peer.initiator,  in iwl_mvm_tdls_ch_switch_work()
534 						 mvm->tdls_cs.peer.op_class,  in iwl_mvm_tdls_ch_switch_work()
535 						 &mvm->tdls_cs.peer.chandef,  in iwl_mvm_tdls_ch_switch_work()
537 						 mvm->tdls_cs.peer.skb,  in iwl_mvm_tdls_ch_switch_work()
538 						 mvm->tdls_cs.peer.ch_sw_tm_ie);  in iwl_mvm_tdls_ch_switch_work()
540 		IWL_ERR(mvm, "Not sending TDLS channel switch: %d\n", ret);  in iwl_mvm_tdls_ch_switch_work()
544 	schedule_delayed_work(&mvm->tdls_cs.dwork, msecs_to_jiffies(delay));  in iwl_mvm_tdls_ch_switch_work()
546 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_ch_switch_work()
556 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_channel_switch()  local
561 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
563 	IWL_DEBUG_TDLS(mvm, "TDLS channel switch with %pM ch %d width %d\n",  in iwl_mvm_tdls_channel_switch()
567 	if (mvm->tdls_cs.peer.sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_channel_switch()
568 		IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_channel_switch()
575 	ret = iwl_mvm_tdls_config_channel_switch(mvm, vif,  in iwl_mvm_tdls_channel_switch()
587 	mvm->tdls_cs.peer.skb = skb_copy(tmpl_skb, GFP_KERNEL);  in iwl_mvm_tdls_channel_switch()
588 	if (!mvm->tdls_cs.peer.skb) {  in iwl_mvm_tdls_channel_switch()
594 	mvm->tdls_cs.peer.sta_id = mvmsta->sta_id;  in iwl_mvm_tdls_channel_switch()
595 	mvm->tdls_cs.peer.chandef = *chandef;  in iwl_mvm_tdls_channel_switch()
596 	mvm->tdls_cs.peer.initiator = sta->tdls_initiator;  in iwl_mvm_tdls_channel_switch()
597 	mvm->tdls_cs.peer.op_class = oper_class;  in iwl_mvm_tdls_channel_switch()
598 	mvm->tdls_cs.peer.ch_sw_tm_ie = ch_sw_tm_ie;  in iwl_mvm_tdls_channel_switch()
606 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_channel_switch()
610 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_channel_switch()
618 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_cancel_channel_switch()  local
622 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
624 	IWL_DEBUG_TDLS(mvm, "TDLS cancel channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
627 	if (mvm->tdls_cs.peer.sta_id == IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_cancel_channel_switch()
628 		IWL_DEBUG_TDLS(mvm, "No ch switch peer - %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
633 				mvm->fw_id_to_mac_id[mvm->tdls_cs.peer.sta_id],  in iwl_mvm_tdls_cancel_channel_switch()
634 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_cancel_channel_switch()
644 	if (mvm->tdls_cs.cur_sta_id == mvm->tdls_cs.peer.sta_id &&  in iwl_mvm_tdls_cancel_channel_switch()
645 	    mvm->tdls_cs.state != IWL_MVM_TDLS_SW_IDLE)  in iwl_mvm_tdls_cancel_channel_switch()
648 	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;  in iwl_mvm_tdls_cancel_channel_switch()
649 	dev_kfree_skb(mvm->tdls_cs.peer.skb);  in iwl_mvm_tdls_cancel_channel_switch()
650 	mvm->tdls_cs.peer.skb = NULL;  in iwl_mvm_tdls_cancel_channel_switch()
653 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_cancel_channel_switch()
661 	flush_delayed_work(&mvm->tdls_cs.dwork);  in iwl_mvm_tdls_cancel_channel_switch()
663 	IWL_DEBUG_TDLS(mvm, "TDLS ending channel switch with %pM\n", sta->addr);  in iwl_mvm_tdls_cancel_channel_switch()
671 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);  in iwl_mvm_tdls_recv_channel_switch()  local
678 	mutex_lock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()
680 	IWL_DEBUG_TDLS(mvm,  in iwl_mvm_tdls_recv_channel_switch()
690 	    mvm->tdls_cs.state == IWL_MVM_TDLS_SW_REQ_SENT &&  in iwl_mvm_tdls_recv_channel_switch()
691 	    mvm->tdls_cs.cur_sta_id != IWL_MVM_INVALID_STA) {  in iwl_mvm_tdls_recv_channel_switch()
696 				mvm->fw_id_to_mac_id[mvm->tdls_cs.cur_sta_id],  in iwl_mvm_tdls_recv_channel_switch()
697 				lockdep_is_held(&mvm->mutex));  in iwl_mvm_tdls_recv_channel_switch()
699 			iwl_mvm_tdls_update_cs_state(mvm,  in iwl_mvm_tdls_recv_channel_switch()
708 	iwl_mvm_tdls_config_channel_switch(mvm, vif, type, params->sta->addr,  in iwl_mvm_tdls_recv_channel_switch()
720 	mod_delayed_work(system_wq, &mvm->tdls_cs.dwork,  in iwl_mvm_tdls_recv_channel_switch()
722 	mutex_unlock(&mvm->mutex);  in iwl_mvm_tdls_recv_channel_switch()