+
+void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_channel_switch_noa_notif *notif = (void *)pkt->data;
+ struct ieee80211_vif *csa_vif;
+ struct iwl_mvm_vif *mvmvif;
+ int len = iwl_rx_packet_payload_len(pkt);
+ u32 id_n_color;
+
+ if (WARN_ON_ONCE(len < sizeof(*notif)))
+ return;
+
+ rcu_read_lock();
+
+ csa_vif = rcu_dereference(mvm->csa_vif);
+ if (WARN_ON(!csa_vif || !csa_vif->csa_active))
+ goto out_unlock;
+
+ id_n_color = le32_to_cpu(notif->id_and_color);
+
+ mvmvif = iwl_mvm_vif_from_mac80211(csa_vif);
+ if (WARN(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color) != id_n_color,
+ "channel switch noa notification on unexpected vif (csa_vif=%d, notif=%d)",
+ FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color), id_n_color))
+ goto out_unlock;
+
+ IWL_DEBUG_INFO(mvm, "Channel Switch Started Notification\n");
+
+ queue_delayed_work(system_wq, &mvm->cs_tx_unblock_dwork,
+ msecs_to_jiffies(IWL_MVM_CS_UNBLOCK_TX_TIMEOUT *
+ csa_vif->bss_conf.beacon_int));
+
+ ieee80211_csa_finish(csa_vif);
+
+ rcu_read_unlock();
+
+ RCU_INIT_POINTER(mvm->csa_vif, NULL);
+
+ return;
+
+out_unlock:
+ rcu_read_unlock();
+}