qcacld-3.0: Handle 320 MHz SAP + concurrent STA CSA

When a concurrent STA moves to a new channel due to CSA from
peer AP, check if 320 MHz SAP needs bandwidth downgrade/upgrade
operation.

Change-Id: Id207f1c37a65c4638359eb7f2294478f13beed73
CRs-Fixed: 3601349

components/cmn_services/policy_mgr/src/wlan_policy_mgr_action.c

@@ -3842,6 +3842,7 @@ QDF_STATUS policy_mgr_check_and_set_hw_mode_for_channel_switch(
 	uint8_t num_cxn_del = 0;
 	struct policy_mgr_psoc_priv_obj *pm_ctx;
 	enum policy_mgr_conc_next_action next_action = PM_NOP;
+	bool eht_capab =  false;
 
 	pm_ctx = policy_mgr_get_context(psoc);
 	if (!pm_ctx) {
@@ -3849,6 +3850,15 @@ QDF_STATUS policy_mgr_check_and_set_hw_mode_for_channel_switch(
 		return QDF_STATUS_E_FAILURE;
 	}
 
+	wlan_psoc_mlme_get_11be_capab(psoc, &eht_capab);
+	if (eht_capab &&
+	    policy_mgr_mode_specific_connection_count(psoc,
+						      PM_SAP_MODE,
+						      NULL) == 1) {
+		policy_mgr_stop_opportunistic_timer(psoc);
+		goto ch_width_update;
+	}
+
 	if (!policy_mgr_is_hw_dbs_capable(psoc) ||
 	    (!policy_mgr_is_hw_dbs_2x2_capable(psoc) &&
 	    !policy_mgr_is_hw_dbs_required_for_band(
@@ -3865,6 +3875,7 @@ QDF_STATUS policy_mgr_check_and_set_hw_mode_for_channel_switch(
 	if (wlan_reg_freq_to_band(ch_freq) != REG_BAND_2G)
 		return QDF_STATUS_E_NOSUPPORT;
 
+ch_width_update:
 	qdf_mutex_acquire(&pm_ctx->qdf_conc_list_lock);
 	/*
 	 * Store the connection's parameter and temporarily delete it

core/sme/src/common/sme_api.c

@@ -2713,7 +2713,11 @@ sme_process_sap_ch_width_update_rsp(struct mac_context *mac, uint8_t *msg)
 	sme_debug("vdev %d reason %d status %d cm_id 0x%x",
 		  vdev_id, reason, param->status, request_id);
 
-	if (reason == POLICY_MGR_UPDATE_REASON_STA_CONNECT) {
+	if (reason == POLICY_MGR_UPDATE_REASON_CHANNEL_SWITCH_STA) {
+		sme_debug("Continue channel switch for STA on vdev %d",
+			  vdev_id);
+		csr_sta_continue_csa(mac, vdev_id);
+	} else if (reason == POLICY_MGR_UPDATE_REASON_STA_CONNECT) {
 		sme_debug("Continue connect/reassoc on vdev %d reason %d status %d cm_id 0x%x",
 			  vdev_id, reason, param->status, request_id);
 		wlan_cm_handle_hw_mode_change_resp(mac->pdev, vdev_id,