qcacmn: Wait for RSO stop response from firmware

Firmware doesn't expect any vdev commands from host while RSO stop
is happening. It sends a response to the RSO_STOP command once
it's done with cleanup. Host needs to run a timer and wait for a
maximum of 6 seconds for the response. Host can stop the timer and
allow the commands to firmware in the below cases,
1. RSO_STOP response with success status
2. RSO_STOP response with HO_FAIL status followed by
   HO_FAIL event: Host needs to wait till HO_FAIL event is
   received

If firmware doesn't send any response in the 6 seconds wait, issue
a recovery to help to check the firmware state.

Change-Id: I4577f9b0aac71c0c86bd32b59e69d9527bf107b9
CRs-Fixed: 3106032

target_if/mlme/vdev_mgr/inc/target_if_vdev_mgr_tx_ops.h

@@ -118,4 +118,17 @@ QDF_STATUS target_if_vdev_mgr_rsp_timer_stop(
 				struct vdev_response_timer *vdev_rsp,
 				enum wlan_vdev_mgr_tgt_if_rsp_bit clear_bit);
 
+/**
+ * target_if_vdev_mgr_rsp_timer_start() - API to start response timer for
+ * vdev manager operations
+ * @psoc: pointer to psoc object
+ * @vdev_rsp: vdev response timer
+ * @set_bit: enum of wlan_vdev_mgr_tgt_if_rsp_bit
+ *
+ * Return: QDF_STATUS_SUCCESS on success, QDF_STATUS_E_** on error
+ */
+QDF_STATUS
+target_if_vdev_mgr_rsp_timer_start(struct wlan_objmgr_psoc *psoc,
+				   struct vdev_response_timer *vdev_rsp,
+				   enum wlan_vdev_mgr_tgt_if_rsp_bit set_bit);
 #endif /* __TARGET_IF_VDEV_MGR_TX_OPS_H__ */

target_if/mlme/vdev_mgr/src/target_if_vdev_mgr_rx_ops.c

@@ -33,6 +33,9 @@
 #include <wlan_vdev_mlme_main.h>
 #include <wmi_unified_vdev_api.h>
 #include <target_if_psoc_wake_lock.h>
+#ifdef WLAN_FEATURE_ROAM_OFFLOAD
+#include <target_if_cm_roam_offload.h>
+#endif
 
 static inline
 void target_if_vdev_mgr_handle_recovery(struct wlan_objmgr_psoc *psoc,
@@ -49,6 +52,22 @@ void target_if_vdev_mgr_handle_recovery(struct wlan_objmgr_psoc *psoc,
 				wlan_psoc_get_id(psoc), vdev_id);
 }
 
+#ifdef WLAN_FEATURE_ROAM_OFFLOAD
+static inline QDF_STATUS
+target_if_send_rso_stop_failure_rsp(struct wlan_objmgr_psoc *psoc,
+				    uint8_t vdev_id)
+{
+	return target_if_cm_send_rso_stop_failure_rsp(psoc, vdev_id);
+}
+#else
+static inline QDF_STATUS
+target_if_send_rso_stop_failure_rsp(struct wlan_objmgr_psoc *psoc,
+				    uint8_t vdev_id)
+{
+	return QDF_STATUS_E_NOSUPPORT;
+}
+#endif
+
 void target_if_vdev_mgr_rsp_timer_cb(void *arg)
 {
 	struct wlan_objmgr_psoc *psoc;
@@ -83,9 +102,10 @@ void target_if_vdev_mgr_rsp_timer_cb(void *arg)
 	    !qdf_atomic_test_bit(RESTART_RESPONSE_BIT, &vdev_rsp->rsp_status) &&
 	    !qdf_atomic_test_bit(STOP_RESPONSE_BIT, &vdev_rsp->rsp_status) &&
 	    !qdf_atomic_test_bit(DELETE_RESPONSE_BIT, &vdev_rsp->rsp_status) &&
-	    !qdf_atomic_test_bit(
-			PEER_DELETE_ALL_RESPONSE_BIT,
-			&vdev_rsp->rsp_status)) {
+	    !qdf_atomic_test_bit(PEER_DELETE_ALL_RESPONSE_BIT,
+				 &vdev_rsp->rsp_status) &&
+	    !qdf_atomic_test_bit(RSO_STOP_RESPONSE_BIT,
+				 &vdev_rsp->rsp_status)) {
 		mlme_debug("No response bit is set, ignoring actions :%d",
 			   vdev_rsp->vdev_id);
 		return;
@@ -151,6 +171,14 @@ void target_if_vdev_mgr_rsp_timer_cb(void *arg)
 						   recovery_reason, rsp_pos);
 		rx_ops->vdev_mgr_peer_delete_all_response(psoc,
 							  &peer_del_all_rsp);
+	} else if (qdf_atomic_test_bit(RSO_STOP_RESPONSE_BIT,
+				       &vdev_rsp->rsp_status)) {
+		rsp_pos = RSO_STOP_RESPONSE_BIT;
+		recovery_reason = QDF_RSO_STOP_RSP_TIMEOUT;
+		target_if_vdev_mgr_rsp_timer_stop(psoc, vdev_rsp, rsp_pos);
+		target_if_vdev_mgr_handle_recovery(psoc, vdev_id,
+						   recovery_reason, rsp_pos);
+		target_if_send_rso_stop_failure_rsp(psoc, vdev_id);
 	} else {
 		mlme_err("PSOC_%d VDEV_%d: Unknown error",
 			 wlan_psoc_get_id(psoc), vdev_id);

target_if/mlme/vdev_mgr/src/target_if_vdev_mgr_tx_ops.c

@@ -101,10 +101,10 @@ target_if_vdev_mgr_rsp_timer_stop(struct wlan_objmgr_psoc *psoc,
 	return QDF_STATUS_E_FAILURE;
 }
 
-static QDF_STATUS target_if_vdev_mgr_rsp_timer_start(
-				struct wlan_objmgr_psoc *psoc,
-				struct vdev_response_timer *vdev_rsp,
-				enum wlan_vdev_mgr_tgt_if_rsp_bit set_bit)
+QDF_STATUS
+target_if_vdev_mgr_rsp_timer_start(struct wlan_objmgr_psoc *psoc,
+				   struct vdev_response_timer *vdev_rsp,
+				   enum wlan_vdev_mgr_tgt_if_rsp_bit set_bit)
 {
 	uint8_t rsp_pos;
 	uint8_t vdev_id;