qcacld-3.0: Send ROAM_SCAN_OFFLOAD_STOP to FW directly from HDD

In case user space disconnects, directly send ROAM_SCAN_OFFLOAD_STOP to FW
to avoid delays in queues.

Change-Id: Ia6e458617818da5ad2e956cd30a203652949db21
CRs-Fixed: 2035160

core/sme/src/common/sme_api.c

@@ -8022,17 +8022,42 @@ QDF_STATUS sme_update_is_mawc_ini_feature_enabled(tHalHandle hHal,
    --------------------------------------------------------------------------*/
 QDF_STATUS sme_stop_roaming(tHalHandle hHal, uint8_t sessionId, uint8_t reason)
 {
-	tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
-	QDF_STATUS status = QDF_STATUS_SUCCESS;
+	struct scheduler_msg wma_msg = {0};
+	tSirRetStatus status;
+	tSirRoamOffloadScanReq *req;
+	tpAniSirGlobal mac_ctx = PMAC_STRUCT(hHal);
 
-	status = sme_acquire_global_lock(&pMac->sme);
-	if (QDF_IS_STATUS_SUCCESS(status)) {
-		csr_roam_offload_scan(pMac, sessionId, ROAM_SCAN_OFFLOAD_STOP,
-				      reason);
-		sme_release_global_lock(&pMac->sme);
+	if (!CSR_IS_SESSION_VALID(mac_ctx, sessionId)) {
+		sme_err("incorrect session/vdev ID");
+		return QDF_STATUS_E_INVAL;
 	}
 
-	return status;
+	req = qdf_mem_malloc(sizeof(*req));
+	if (!req) {
+		sme_err("failed to allocated memory");
+		return QDF_STATUS_E_NOMEM;
+	}
+
+	req->Command = ROAM_SCAN_OFFLOAD_STOP;
+	req->reason = REASON_ROAM_SYNCH_FAILED;
+	req->sessionId = sessionId;
+	if (csr_neighbor_middle_of_roaming(mac_ctx, sessionId))
+		req->middle_of_roaming = 1;
+	else
+		csr_roam_reset_roam_params(mac_ctx);
+
+	wma_msg.type = WMA_ROAM_SCAN_OFFLOAD_REQ;
+	wma_msg.bodyptr = req;
+
+	status = wma_post_ctrl_msg(mac_ctx, &wma_msg);
+	if (eSIR_SUCCESS != status) {
+		sme_err("WMA_ROAM_SCAN_OFFLOAD_REQ failed, session_id: %d",
+			sessionId);
+		qdf_mem_free(req);
+		return QDF_STATUS_E_FAULT;
+	}
+
+	return QDF_STATUS_SUCCESS;
 }
 
 /*--------------------------------------------------------------------------

core/wma/inc/wma.h

@@ -2404,6 +2404,18 @@ void wma_vdev_clear_pause_bit(uint8_t vdev_id, wmi_tx_pause_type bit_pos)
 	iface->pause_bitmap &= ~(1 << bit_pos);
 }
 
+/**
+ * wma_process_roaming_config() - process roam request
+ * @wma_handle: wma handle
+ * @roam_req: roam request parameters
+ *
+ * Main routine to handle ROAM commands coming from CSR module.
+ *
+ * Return: QDF status
+ */
+QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
+				     tSirRoamOffloadScanReq *roam_req);
+
 #ifdef WMI_INTERFACE_EVENT_LOGGING
 static inline void wma_print_wmi_cmd_log(uint32_t count,
 					 qdf_abstract_print *print,

core/wma/inc/wma_internal.h

@@ -263,9 +263,6 @@ QDF_STATUS wma_roam_scan_bmiss_cnt(tp_wma_handle wma_handle,
 QDF_STATUS wma_roam_scan_offload_command(tp_wma_handle wma_handle,
 					 uint32_t command, uint32_t vdev_id);
 
-QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
-				     tSirRoamOffloadScanReq *roam_req);
-
 QDF_STATUS wma_roam_preauth_chan_set(tp_wma_handle wma_handle,
 				     tpSwitchChannelParams params,
 				     uint8_t vdev_id);