qcacmn: Keep HW mode in sync with FW when hdd stop happens

Stop the opportunistic timer & take action to keep HW mode in sync
when hdd stop happens.

Change-Id: Id34adb579987605831d2c7c4e22c2d76fe7d25dd
CRs-Fixed: 2165109

umac/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h

@@ -1079,6 +1079,16 @@ QDF_STATUS policy_mgr_reset_connection_update(struct wlan_objmgr_psoc *psoc);
  */
 QDF_STATUS policy_mgr_set_connection_update(struct wlan_objmgr_psoc *psoc);
 
+/**
+ * policy_mgr_set_opportunistic_update() - Set opportunistic
+ * update event
+ * @psoc: PSOC object information
+ * Sets the opportunistic update event
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS policy_mgr_set_opportunistic_update(struct wlan_objmgr_psoc *psoc);
+
 /**
  * policy_mgr_restart_opportunistic_timer() - Restarts opportunistic timer
  * @psoc: PSOC object information
@@ -2163,6 +2173,7 @@ uint8_t policy_mgr_get_cur_conc_system_pref(struct wlan_objmgr_psoc *psoc);
  * state of opportunistic timer, if running, stop it and take
  * action
  * @psoc: soc pointer
+ * @id: Session/vdev id
  *
  * Get the current state of opportunistic timer, if it is
  * running, stop it and take action.
@@ -2170,7 +2181,7 @@ uint8_t policy_mgr_get_cur_conc_system_pref(struct wlan_objmgr_psoc *psoc);
  * Return: None
  */
 void policy_mgr_check_and_stop_opportunistic_timer(
-	struct wlan_objmgr_psoc *psoc);
+	struct wlan_objmgr_psoc *psoc, uint8_t id);
 
 /**
  * policy_mgr_set_weight_of_dfs_passive_channels_to_zero() - set weight of dfs

umac/cmn_services/policy_mgr/src/wlan_policy_mgr_action.c

@@ -995,6 +995,28 @@ QDF_STATUS policy_mgr_set_connection_update(struct wlan_objmgr_psoc *psoc)
 	return QDF_STATUS_SUCCESS;
 }
 
+QDF_STATUS policy_mgr_set_opportunistic_update(struct wlan_objmgr_psoc *psoc)
+{
+	QDF_STATUS status;
+	struct policy_mgr_psoc_priv_obj *policy_mgr_context;
+
+	policy_mgr_context = policy_mgr_get_context(psoc);
+	if (!policy_mgr_context) {
+		policy_mgr_err("Invalid context");
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	status = qdf_event_set(
+			&policy_mgr_context->opportunistic_update_done_evt);
+
+	if (!QDF_IS_STATUS_SUCCESS(status)) {
+		policy_mgr_err("set event failed");
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return QDF_STATUS_SUCCESS;
+}
+
 QDF_STATUS policy_mgr_restart_opportunistic_timer(
 		struct wlan_objmgr_psoc *psoc, bool check_state)
 {
@@ -1103,9 +1125,11 @@ void policy_mgr_checkn_update_hw_mode_single_mac_mode(
 }
 
 void policy_mgr_check_and_stop_opportunistic_timer(
-	struct wlan_objmgr_psoc *psoc)
+	struct wlan_objmgr_psoc *psoc, uint8_t id)
 {
 	struct policy_mgr_psoc_priv_obj *pm_ctx;
+	enum policy_mgr_conc_next_action action = PM_NOP;
+	QDF_STATUS status = QDF_STATUS_E_FAILURE;
 
 	pm_ctx = policy_mgr_get_context(psoc);
 	if (!pm_ctx) {
@@ -1115,7 +1139,23 @@ void policy_mgr_check_and_stop_opportunistic_timer(
 	if (QDF_TIMER_STATE_RUNNING ==
 		pm_ctx->dbs_opportunistic_timer.state) {
 		qdf_mc_timer_stop(&pm_ctx->dbs_opportunistic_timer);
-		pm_dbs_opportunistic_timer_handler((void *)psoc);
+		action = policy_mgr_need_opportunistic_upgrade(psoc);
+		if (action) {
+			status = policy_mgr_next_actions(psoc, id, action,
+				POLICY_MGR_UPDATE_REASON_OPPORTUNISTIC);
+			if (status != QDF_STATUS_SUCCESS) {
+				policy_mgr_err("Failed in policy_mgr_next_actions");
+				return;
+			}
+			status = qdf_wait_single_event(
+					&pm_ctx->opportunistic_update_done_evt,
+					CONNECTION_UPDATE_TIMEOUT);
+
+			if (!QDF_IS_STATUS_SUCCESS(status)) {
+				policy_mgr_err("wait for event failed");
+				return;
+			}
+		}
 	}
 }
 

umac/cmn_services/policy_mgr/src/wlan_policy_mgr_core.c

@@ -811,8 +811,12 @@ void policy_mgr_pdev_set_hw_mode_cb(uint32_t status,
 	if (PM_NOP != next_action)
 		policy_mgr_next_actions(context, session_id,
 			next_action, reason);
-	else
+	else {
 		policy_mgr_debug("No action needed right now");
+		ret = policy_mgr_set_opportunistic_update(context);
+		if (!QDF_IS_STATUS_SUCCESS(ret))
+			policy_mgr_err("ERROR: set opportunistic_update event failed");
+	}
 
 	return;
 }
@@ -2379,6 +2383,7 @@ static void policy_mgr_nss_update_cb(struct wlan_objmgr_psoc *psoc,
 		enum policy_mgr_conn_update_reason reason)
 {
 	uint32_t conn_index = 0;
+	QDF_STATUS ret;
 
 	if (QDF_STATUS_SUCCESS != tx_status)
 		policy_mgr_err("nss update failed(%d) for vdev %d",
@@ -2394,7 +2399,14 @@ static void policy_mgr_nss_update_cb(struct wlan_objmgr_psoc *psoc,
 	}
 
 	policy_mgr_debug("nss update successful for vdev:%d", vdev_id);
-	policy_mgr_next_actions(psoc, vdev_id, next_action, reason);
+	if (PM_NOP != next_action)
+		policy_mgr_next_actions(psoc, vdev_id, next_action, reason);
+	else {
+		policy_mgr_debug("No action needed right now");
+		ret = policy_mgr_set_opportunistic_update(psoc);
+		if (!QDF_IS_STATUS_SUCCESS(ret))
+			policy_mgr_err("ERROR: set opportunistic_update event failed");
+	}
 
 	return;
 }

umac/cmn_services/policy_mgr/src/wlan_policy_mgr_i.h

@@ -239,6 +239,8 @@ struct sta_ap_intf_check_work_ctx {
  * @unsafe_channel_list: LTE coex channel avoidance list
  * @unsafe_channel_count: LTE coex channel avoidance list count
  * @sta_ap_intf_check_work_info: Info related to sta_ap_intf_check_work
+ * @opportunistic_update_done_evt: qdf event to synchronize host
+ *                               & FW HW mode
  */
 struct policy_mgr_psoc_priv_obj {
 	struct wlan_objmgr_psoc *psoc;
@@ -272,6 +274,7 @@ struct policy_mgr_psoc_priv_obj {
 	struct sta_ap_intf_check_work_ctx *sta_ap_intf_check_work_info;
 	uint8_t cur_conc_system_pref;
 	uint8_t sta_sap_scc_on_dfs_chan_allowed;
+	qdf_event_t opportunistic_update_done_evt;
 };
 
 /**

umac/cmn_services/policy_mgr/src/wlan_policy_mgr_init_deinit.c

@@ -406,6 +406,12 @@ QDF_STATUS policy_mgr_psoc_enable(struct wlan_objmgr_psoc *psoc)
 		return status;
 	}
 
+	status = qdf_event_create(&pm_ctx->opportunistic_update_done_evt);
+	if (!QDF_IS_STATUS_SUCCESS(status)) {
+		policy_mgr_err("opportunistic_update_done_evt init failed");
+		return status;
+	}
+
 	pm_ctx->do_hw_mode_change = false;
 	pm_ctx->hw_mode_change_in_progress = POLICY_MGR_HW_MODE_NOT_IN_PROGRESS;
 	/* reset sap mandatory channels */
@@ -473,6 +479,14 @@ QDF_STATUS policy_mgr_psoc_disable(struct wlan_objmgr_psoc *psoc)
 		QDF_ASSERT(0);
 	}
 
+	/* destroy opportunistic_update_done_evt */
+	if (!QDF_IS_STATUS_SUCCESS(qdf_event_destroy
+		(&pm_ctx->opportunistic_update_done_evt))) {
+		policy_mgr_err("Failed to destroy opportunistic_update_done_evt");
+		status = QDF_STATUS_E_FAILURE;
+		QDF_ASSERT(0);
+	}
+
 	/* deallocate dbs_opportunistic_timer */
 	if (QDF_TIMER_STATE_RUNNING ==
 			qdf_mc_timer_get_current_state(