qcacld-3.0: Inform teardown all TWT sessions when SSR happens

When SSR happens, Inform the user space about teardown all TWT sessions.

Change-Id: I2bb321bacac02291bbea1f22e231669d911c53e7
CRs-Fixed: 2870599

core/hdd/inc/wlan_hdd_twt.h

@@ -205,6 +205,17 @@ int hdd_test_config_twt_terminate_session(struct hdd_adapter *adapter,
 void hdd_send_twt_role_disable_cmd(struct hdd_context *hdd_ctx,
 				   enum twt_role role);
 
+/**
+ * hdd_send_twt_del_all_sessions_to_userspace() - Terminate all TWT sessions
+ * @adapter: adapter
+ *
+ * This function checks if association exists and TWT session is setup,
+ * then send the TWT teardown vendor NL event to the user space.
+ *
+ * Return: None
+ */
+void hdd_send_twt_del_all_sessions_to_userspace(struct hdd_adapter *adapter);
+
 #define FEATURE_VENDOR_SUBCMD_WIFI_CONFIG_TWT                            \
 {                                                                        \
 	.info.vendor_id = QCA_NL80211_VENDOR_ID,                         \
@@ -260,6 +271,11 @@ void hdd_send_twt_role_disable_cmd(struct hdd_context *hdd_ctx,
 				   enum twt_role role)
 {
 }
+
+static inline
+void hdd_send_twt_del_all_sessions_to_userspace(struct hdd_adapter *adapter)
+{
+}
 #define FEATURE_VENDOR_SUBCMD_WIFI_CONFIG_TWT
 
 #endif

core/hdd/src/wlan_hdd_main.c

@@ -7644,6 +7644,10 @@ QDF_STATUS hdd_reset_all_adapters(struct hdd_context *hdd_ctx)
 
 
 		hdd_adapter_abort_tx_flow(adapter);
+
+		if (adapter->device_mode == QDF_STA_MODE)
+			hdd_send_twt_del_all_sessions_to_userspace(adapter);
+
 		if ((adapter->device_mode == QDF_STA_MODE) ||
 		    (adapter->device_mode == QDF_P2P_CLIENT_MODE)) {
 			/* Stop tdls timers */

core/hdd/src/wlan_hdd_twt.c

@@ -1494,8 +1494,7 @@ hdd_twt_del_dialog_comp_cb(struct wlan_objmgr_psoc *psoc,
 	}
 
 	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
-	status = wlan_hdd_validate_context(hdd_ctx);
-	if (QDF_IS_STATUS_ERROR(status))
+	if (!hdd_ctx || cds_is_load_or_unload_in_progress())
 		return;
 
 	wdev = adapter->dev->ieee80211_ptr;
@@ -1529,6 +1528,39 @@ hdd_twt_del_dialog_comp_cb(struct wlan_objmgr_psoc *psoc,
 	return;
 }
 
+void
+hdd_send_twt_del_all_sessions_to_userspace(struct hdd_adapter *adapter)
+{
+	struct wlan_objmgr_psoc *psoc = adapter->hdd_ctx->psoc;
+	struct hdd_station_ctx *hdd_sta_ctx = NULL;
+	struct wmi_twt_del_dialog_complete_event_param params;
+
+	hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
+	if (!hdd_cm_is_vdev_associated(adapter)) {
+		hdd_debug("Not associated, vdev %d mode %d state %d",
+			   adapter->vdev_id, adapter->device_mode,
+			   hdd_sta_ctx->conn_info.conn_state);
+		return;
+	}
+
+	if (!ucfg_mlme_is_twt_setup_done(psoc,
+					 &hdd_sta_ctx->conn_info.bssid,
+					 WLAN_ALL_SESSIONS_DIALOG_ID)) {
+		hdd_debug("No active TWT sessions, vdev_id: %d dialog_id: %d",
+			  adapter->vdev_id, WLAN_ALL_SESSIONS_DIALOG_ID);
+		return;
+	}
+
+	qdf_mem_zero(&params, sizeof(params));
+	params.vdev_id = adapter->vdev_id;
+	params.dialog_id = WLAN_ALL_SESSIONS_DIALOG_ID;
+	params.status = WMI_HOST_DEL_TWT_STATUS_UNKNOWN_ERROR;
+	qdf_mem_copy(params.peer_macaddr, hdd_sta_ctx->conn_info.bssid.bytes,
+		     QDF_MAC_ADDR_SIZE);
+
+	hdd_twt_del_dialog_comp_cb(psoc, &params);
+}
+
 /**
  * hdd_send_twt_del_dialog_cmd() - Send TWT del dialog command to target
  * @hdd_ctx: HDD Context

core/sme/src/common/sme_api.c

@@ -2163,8 +2163,8 @@ sme_process_twt_del_dialog_event(struct mac_context *mac,
 	    param->dialog_id != WLAN_ALL_SESSIONS_DIALOG_ID &&
 	    param->status != WMI_HOST_DEL_TWT_STATUS_ROAMING &&
 	    param->status != WMI_HOST_DEL_TWT_STATUS_PEER_INIT_TEARDOWN) {
-		sme_debug("Del dialog event dropped for id:%d",
-			  param->dialog_id);
+		sme_debug("Del dialog event dropped for id:%d status:%d",
+			  param->dialog_id, param->status);
 		return;
 	}