qcacld-3.0: Cache roam related states for the vdev

Cache roam_fail_reason, roam_invoke_fail_reason and
roam_trigger_reason in mlme value for the vdev.
Host sends these values to userspace via a vendor
command after disconnection.

Change-Id: Ief7d027f69b0449254de3615b39829f346589095
CRs-Fixed: 2877230

components/umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_roam_api.h

@@ -781,6 +781,32 @@ wlan_cm_update_roam_scan_scheme_bitmap(struct wlan_objmgr_psoc *psoc,
  */
 uint32_t wlan_cm_get_roam_scan_scheme_bitmap(struct wlan_objmgr_psoc *psoc,
 					     uint8_t vdev_id);
+
+/**
+ * wlan_cm_update_roam_states() - Set roam states for the vdev
+ * @psoc: PSOC pointer
+ * @vdev_id: VDEV id
+ * @value: Value to update
+ * @states: type of value to update
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS
+wlan_cm_update_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+			   uint32_t value, enum roam_fail_params states);
+
+/**
+ * wlan_cm_get_roam_states() - Get roam states value
+ * @psoc: PSOC pointer
+ * @vdev_id: VDEV id
+ * @states: For which action get roam states
+ *
+ * Return: Roam fail reason value
+ */
+uint32_t
+wlan_cm_get_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+			enum roam_fail_params states);
+
 void wlan_cm_set_psk_pmk(struct wlan_objmgr_pdev *pdev,
 			 uint8_t vdev_id, uint8_t *psk_pmk,
 			 uint8_t pmk_len);
@@ -867,6 +893,21 @@ uint32_t wlan_cm_get_roam_scan_scheme_bitmap(struct wlan_objmgr_psoc *psoc,
 {
 	return 0;
 }
+
+static inline QDF_STATUS
+wlan_cm_update_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+			   uint32_t value, enum roam_fail_params states)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline uint32_t
+wlan_cm_get_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+			enum roam_fail_params states)
+{
+	return 0;
+}
+
 static inline void wlan_cm_set_psk_pmk(struct wlan_objmgr_pdev *pdev,
 				       uint8_t vdev_id, uint8_t *psk_pmk,
 				       uint8_t pmk_len)

components/umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_roam_public_struct.h

@@ -216,6 +216,20 @@ struct wlan_chan_list {
 	qdf_freq_t freq_list[CFG_VALID_CHANNEL_LIST_LEN];
 };
 
+/*
+ * roam_fail_params: different types of params to set or get roam fail states
+ * for the vdev
+ * @ROAM_TRIGGER_REASON: Roam trigger reason(enum WMI_ROAM_TRIGGER_REASON_ID)
+ * @ROAM_INVOKE_FAIL_REASON: One of WMI_ROAM_FAIL_REASON_ID for roam failure
+ * in case of forced roam
+ * @ROAM_FAIL_REASON: One of WMI_ROAM_FAIL_REASON_ID for roam failure
+ */
+enum roam_fail_params {
+	ROAM_TRIGGER_REASON,
+	ROAM_INVOKE_FAIL_REASON,
+	ROAM_FAIL_REASON,
+};
+
 /**
  * struct rso_config - connect config to be used to send info in
  * RSO. This is the info we dont have in VDEV or CM ctx
@@ -253,6 +267,10 @@ struct wlan_chan_list {
  * @mbo_oce_enabled_ap: MBO/OCE enabled network
  * @is_single_pmk: is single pmk
  * @roam_scan_freq_lst: roam freq list
+ * @roam_fail_reason: One of WMI_ROAM_FAIL_REASON_ID
+ * @roam_trigger_reason: Roam trigger reason(enum WMI_ROAM_TRIGGER_REASON_ID)
+ * @roam_invoke_fail_reason: One of reason id from enum
+ * wmi_roam_invoke_status_error in case of forced roam
  */
 struct rso_config {
 	qdf_mutex_t cm_rso_lock;
@@ -282,6 +300,9 @@ struct rso_config {
 	bool is_single_pmk;
 	uint32_t mbo_oce_enabled_ap;
 	struct rso_chan_info roam_scan_freq_lst;
+	uint32_t roam_fail_reason;
+	uint32_t roam_trigger_reason;
+	uint32_t roam_invoke_fail_reason;
 };
 
 /**

components/umac/mlme/connection_mgr/dispatcher/src/wlan_cm_roam_api.c

@@ -1779,4 +1779,84 @@ uint32_t wlan_cm_get_roam_scan_scheme_bitmap(struct wlan_objmgr_psoc *psoc,
 
 	return roam_scan_scheme_bitmap;
 }
+
+QDF_STATUS
+wlan_cm_update_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+			   uint32_t value, enum roam_fail_params states)
+{
+	struct wlan_objmgr_vdev *vdev;
+	struct rso_config *rso_cfg;
+
+	vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id,
+						    WLAN_MLME_NB_ID);
+
+	if (!vdev) {
+		mlme_err("vdev%d: vdev object is NULL", vdev_id);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	rso_cfg = wlan_cm_get_rso_config(vdev);
+	if (!rso_cfg) {
+		wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_NB_ID);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	switch (states) {
+	case ROAM_TRIGGER_REASON:
+		rso_cfg->roam_trigger_reason = value;
+		break;
+	case ROAM_INVOKE_FAIL_REASON:
+		rso_cfg->roam_invoke_fail_reason = value;
+		break;
+	case ROAM_FAIL_REASON:
+		rso_cfg->roam_fail_reason = value;
+		break;
+	default:
+		break;
+	}
+
+	wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_NB_ID);
+
+	return QDF_STATUS_SUCCESS;
+}
+
+uint32_t wlan_cm_get_roam_states(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id,
+				 enum roam_fail_params states)
+{
+	struct wlan_objmgr_vdev *vdev;
+	uint32_t roam_states = 0;
+	struct rso_config *rso_cfg;
+
+	vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id,
+						    WLAN_MLME_NB_ID);
+
+	if (!vdev) {
+		mlme_err("vdev%d: vdev object is NULL", vdev_id);
+		return 0;
+	}
+
+	rso_cfg = wlan_cm_get_rso_config(vdev);
+	if (!rso_cfg) {
+		wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_NB_ID);
+		return 0;
+	}
+
+	switch (states) {
+	case ROAM_TRIGGER_REASON:
+		roam_states = rso_cfg->roam_trigger_reason;
+		break;
+	case ROAM_INVOKE_FAIL_REASON:
+		roam_states = rso_cfg->roam_invoke_fail_reason;
+		break;
+	case ROAM_FAIL_REASON:
+		roam_states = rso_cfg->roam_fail_reason;
+		break;
+	default:
+		break;
+	}
+
+	wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_NB_ID);
+
+	return roam_states;
+}
 #endif

core/wma/src/wma_scan_roam.c

@@ -2154,9 +2154,13 @@ int wma_roam_stats_event_handler(WMA_HANDLE handle, uint8_t *event,
 			return -EINVAL;
 		}
 
-		if (roam_info->trigger.present)
+		if (roam_info->trigger.present) {
 			wma_rso_print_trigger_info(&roam_info->trigger,
 						   vdev_id);
+			wlan_cm_update_roam_states(wma->psoc, vdev_id,
+					roam_info->trigger.trigger_reason,
+					ROAM_TRIGGER_REASON);
+		}
 
 		/* Roam scan related details - Scan channel, scan type .. */
 		status = wmi_unified_extract_roam_scan_stats(
@@ -2187,9 +2191,12 @@ int wma_roam_stats_event_handler(WMA_HANDLE handle, uint8_t *event,
 			qdf_mem_free(roam_info);
 			return -EINVAL;
 		}
-		if (roam_info->result.present)
+		if (roam_info->result.present) {
 			wma_rso_print_roam_result(&roam_info->result, vdev_id);
-
+			wlan_cm_update_roam_states(wma->psoc, vdev_id,
+						roam_info->result.fail_reason,
+						ROAM_FAIL_REASON);
+		}
 		/* BTM resp info */
 		status = wlan_cm_roam_extract_btm_response(wma->wmi_handle,
 							   event,
@@ -4464,6 +4471,10 @@ int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
 		wma_handle->csr_roam_synch_cb(wma_handle->mac_context,
 					      roam_synch_data, NULL,
 					      SIR_ROAMING_INVOKE_FAIL);
+		wlan_cm_update_roam_states(wma_handle->psoc, wmi_event->vdev_id,
+					   wmi_event->notif_params,
+					   ROAM_INVOKE_FAIL_REASON);
+
 		qdf_mem_free(roam_synch_data);
 		break;
 	case WMI_ROAM_REASON_DEAUTH: