qcacmn: Move disconnect wait logic from osif to connection mgr

Move disconnect wait logic from osif to connection mgr, so that
MLO/IF manager can use the wait logic for disconnect
during vdev delete.

Change-Id: Ied2bbcfd6a532209f8008499424f94acc41efc0e
CRs-Fixed: 2800990

os_if/linux/mlme/src/osif_cm_disconnect_rsp.c

@@ -160,7 +160,6 @@ QDF_STATUS osif_disconnect_handler(struct wlan_objmgr_vdev *vdev,
 				    rsp->ap_discon_ie.len, GFP_KERNEL);
 
 	osif_cm_disconnect_comp_ind(vdev, rsp, OSIF_POST_USERSPACE_UPDATE);
-	qdf_event_set(&osif_priv->cm_info.disconnect_complete);
 
 	return status;
 }

os_if/linux/mlme/src/osif_cm_req.c

@@ -489,31 +489,12 @@ int osif_cm_disconnect(struct net_device *dev, struct wlan_objmgr_vdev *vdev,
 int osif_cm_disconnect_sync(struct wlan_objmgr_vdev *vdev, uint16_t reason)
 {
 	uint8_t vdev_id = wlan_vdev_get_id(vdev);
-	struct vdev_osif_priv *osif_priv = wlan_vdev_get_ospriv(vdev);
 	QDF_STATUS status;
 
-	if (ucfg_cm_is_vdev_disconnected(vdev))
-		return 0;
-
-	if (!osif_priv) {
-		osif_err("vdev %d invalid vdev osif priv", vdev_id);
-		return -EINVAL;
-	}
-
 	osif_info("vdevid-%d: Received Disconnect reason:%d %s",
 		  vdev_id, reason, ucfg_cm_reason_code_to_str(reason));
 
-	qdf_event_reset(&osif_priv->cm_info.disconnect_complete);
+	status = ucfg_cm_disconnect_sync(vdev, CM_OSIF_DISCONNECT, reason);
-	status = osif_cm_send_disconnect(vdev, reason);
-	if (QDF_IS_STATUS_ERROR(status)) {
-		osif_err("Disconnect failed with status %d", status);
-		return qdf_status_to_os_return(status);
-	}
-
-	status = qdf_wait_single_event(&osif_priv->cm_info.disconnect_complete,
-				       CM_DISCONNECT_CMD_TIMEOUT);
-	if (QDF_IS_STATUS_ERROR(status))
-		osif_err("Disconnect timeout with status %d", status);
 
 	return qdf_status_to_os_return(status);
 }

os_if/linux/mlme/src/osif_cm_util.c

@@ -337,7 +337,6 @@ QDF_STATUS osif_cm_osif_priv_init(struct wlan_objmgr_vdev *vdev)
 {
 	struct vdev_osif_priv *osif_priv = wlan_vdev_get_ospriv(vdev);
 	enum QDF_OPMODE mode = wlan_vdev_mlme_get_opmode(vdev);
-	QDF_STATUS status;
 
 	if (mode != QDF_STA_MODE && mode != QDF_P2P_CLIENT_MODE)
 		return QDF_STATUS_SUCCESS;
@@ -349,19 +348,7 @@ QDF_STATUS osif_cm_osif_priv_init(struct wlan_objmgr_vdev *vdev)
 
 	qdf_spinlock_create(&osif_priv->cm_info.cmd_id_lock);
 
-	status = qdf_event_create(&osif_priv->cm_info.disconnect_complete);
+	return QDF_STATUS_SUCCESS;
-	if (QDF_IS_STATUS_ERROR(status)) {
-		osif_err("failed to create disconnect complete event fro vdev %d",
-			 wlan_vdev_get_id(vdev));
-		goto event_create_fail;
-	}
-
-	return status;
-
-event_create_fail:
-	qdf_spinlock_destroy(&osif_priv->cm_info.cmd_id_lock);
-
-	return status;
 }
 
 QDF_STATUS osif_cm_osif_priv_deinit(struct wlan_objmgr_vdev *vdev)
@@ -376,7 +363,6 @@ QDF_STATUS osif_cm_osif_priv_deinit(struct wlan_objmgr_vdev *vdev)
 		osif_err("Invalid vdev osif priv");
 		return QDF_STATUS_E_INVAL;
 	}
-	qdf_event_destroy(&osif_priv->cm_info.disconnect_complete);
 	qdf_spinlock_destroy(&osif_priv->cm_info.cmd_id_lock);
 
 	return QDF_STATUS_SUCCESS;

os_if/linux/wlan_osif_priv.h

@@ -21,7 +21,6 @@
 #define _WLAN_OSIF_PRIV_H_
 
 #include "qdf_net_if.h"
-#include <qdf_event.h>
 #include "wlan_cm_public_struct.h"
 #include <qca_vendor.h>
 
@@ -50,7 +49,6 @@ struct pdev_osif_priv {
  * @cmd_id_lock: lock to update and read last command source
  * @last_disconnect_reason: last disconnect reason to be indicated in get
  * station
- * @disconnect_complete: disconnect completion wait event
  * @ext_priv: legacy data pointer.
  */
 struct osif_cm_info {
@@ -58,7 +56,6 @@ struct osif_cm_info {
 	wlan_cm_id last_id;
 	struct qdf_spinlock cmd_id_lock;
 	enum qca_disconnect_reason_codes last_disconnect_reason;
-	qdf_event_t disconnect_complete;
 	void *ext_priv;
 };
 #endif

umac/mlme/connection_mgr/core/src/wlan_cm_disconnect.c

@@ -401,6 +401,10 @@ QDF_STATUS cm_disconnect_complete(struct cnx_mgr *cm_ctx,
 	if (!cm_ctx->disconnect_count && cm_ctx->connect_count)
 		cm_flush_pending_request(cm_ctx, CONNECT_REQ_PREFIX, true);
 
+	/* Set the disconnect wait event once all disconnect are completed */
+	if (!cm_ctx->disconnect_count)
+		qdf_event_set(&cm_ctx->disconnect_complete);
+
 	return QDF_STATUS_SUCCESS;
 }
 
@@ -539,6 +543,31 @@ QDF_STATUS cm_disconnect_start_req(struct wlan_objmgr_vdev *vdev,
 	return status;
 }
 
+QDF_STATUS cm_disconnect_start_req_sync(struct wlan_objmgr_vdev *vdev,
+					struct wlan_cm_disconnect_req *req)
+{
+	struct cnx_mgr *cm_ctx;
+	QDF_STATUS status;
+
+	cm_ctx = cm_get_cm_ctx(vdev);
+	if (!cm_ctx)
+		return QDF_STATUS_E_INVAL;
+
+	qdf_event_reset(&cm_ctx->disconnect_complete);
+	status = cm_disconnect_start_req(vdev, req);
+	if (QDF_IS_STATUS_ERROR(status)) {
+		mlme_err("Disconnect failed with status %d", status);
+		return status;
+	}
+
+	status = qdf_wait_single_event(&cm_ctx->disconnect_complete,
+				       CM_DISCONNECT_CMD_TIMEOUT);
+	if (QDF_IS_STATUS_ERROR(status))
+		mlme_err("Disconnect timeout with status %d", status);
+
+	return status;
+}
+
 QDF_STATUS cm_disconnect_rsp(struct wlan_objmgr_vdev *vdev,
 			     struct wlan_cm_discon_rsp *resp)
 {

umac/mlme/connection_mgr/core/src/wlan_cm_main.c

@@ -96,6 +96,7 @@ QDF_STATUS wlan_cm_init(struct vdev_mlme_obj *vdev_mlme)
 					     "CM",
 					     wlan_cm_scan_cb,
 					     vdev_mlme->cnx_mgr_ctx);
+	qdf_event_create(&vdev_mlme->cnx_mgr_ctx->disconnect_complete);
 
 	return QDF_STATUS_SUCCESS;
 }
@@ -110,6 +111,7 @@ QDF_STATUS wlan_cm_deinit(struct vdev_mlme_obj *vdev_mlme)
 	if (op_mode != QDF_STA_MODE && op_mode != QDF_P2P_CLIENT_MODE)
 		return QDF_STATUS_SUCCESS;
 
+	qdf_event_destroy(&vdev_mlme->cnx_mgr_ctx->disconnect_complete);
 	scan_requester_id = vdev_mlme->cnx_mgr_ctx->scan_requester_id;
 	wlan_scan_unregister_requester(psoc,
 				       scan_requester_id);

umac/mlme/connection_mgr/core/src/wlan_cm_main.h

@@ -24,6 +24,7 @@
 #define __WLAN_CM_MAIN_H__
 
 #include "include/wlan_vdev_mlme.h"
+#include <qdf_event.h>
 
 #ifdef FEATURE_CM_ENABLE
 #include <wlan_cm_public_struct.h>
@@ -177,6 +178,7 @@ struct connect_ies {
  * @global_cmd_id: global cmd id for getting cm id for connect/disconnect req
  * @max_connect_attempts: Max attempts to be tried for a connect req
  * @scan_requester_id: scan requester id.
+ * @disconnect_complete: disconnect completion wait event
  */
 struct cnx_mgr {
 	struct wlan_objmgr_vdev *vdev;
@@ -195,6 +197,7 @@ struct cnx_mgr {
 	qdf_atomic_t global_cmd_id;
 	uint8_t max_connect_attempts;
 	wlan_scan_requester scan_requester_id;
+	qdf_event_t disconnect_complete;
 };
 
 /**

umac/mlme/connection_mgr/core/src/wlan_cm_main_api.h

@@ -363,6 +363,20 @@ QDF_STATUS cm_add_disconnect_req_to_list(struct cnx_mgr *cm_ctx,
 QDF_STATUS cm_disconnect_start_req(struct wlan_objmgr_vdev *vdev,
 				   struct wlan_cm_disconnect_req *req);
 
+/**
+ * cm_disconnect_start_req_sync() - disconnect request with wait till
+ * completed
+ * @vdev: vdev pointer
+ * @req: disconnect req
+ *
+ * Context: Only call for north bound disconnect req, if wait till complete
+ * is required, e.g. during vdev delete. Do not call from scheduler context.
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS cm_disconnect_start_req_sync(struct wlan_objmgr_vdev *vdev,
+					struct wlan_cm_disconnect_req *req);
+
 /**
  * cm_bss_peer_delete_req() - Connection manager bss peer delete
  * request

umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_api.h

@@ -37,14 +37,36 @@ QDF_STATUS wlan_cm_start_connect(struct wlan_objmgr_vdev *vdev,
 				 struct wlan_cm_connect_req *req);
 
 /**
- * wlan_cm_start_disconnect() - disconnect start request
+ * wlan_cm_disconnect() - disconnect start request
  * @vdev: vdev pointer
- * @req: disconnect req
+ * @source: disconnect source
+ * @reason_code: disconnect reason
+ * @bssid: bssid of AP to disconnect, can be null if not known
+ *
+ * Context: can be called from any context
  *
  * Return: QDF_STATUS
  */
-QDF_STATUS wlan_cm_start_disconnect(struct wlan_objmgr_vdev *vdev,
+QDF_STATUS wlan_cm_disconnect(struct wlan_objmgr_vdev *vdev,
-				    struct wlan_cm_disconnect_req *req);
+			      enum wlan_cm_source source,
+			      enum wlan_reason_code reason_code,
+			      struct qdf_mac_addr *bssid);
+
+/**
+ * wlan_cm_disconnect_sync() - disconnect request with wait till
+ * completed
+ * @vdev: vdev pointer
+ * @source: disconnect source
+ * @reason_code: disconnect reason
+ *
+ * Context: Only call for north bound disconnect req, if wait till complete
+ * is required, e.g. during vdev delete. Do not call from scheduler context.
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS wlan_cm_disconnect_sync(struct wlan_objmgr_vdev *vdev,
+				   enum wlan_cm_source source,
+				   enum wlan_reason_code reason_code);
 
 /**
  * wlan_cm_bss_select_ind_rsp() - Connection manager resp for bss

umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_ucfg_api.h

@@ -47,6 +47,22 @@ QDF_STATUS ucfg_cm_start_connect(struct wlan_objmgr_vdev *vdev,
 QDF_STATUS ucfg_cm_start_disconnect(struct wlan_objmgr_vdev *vdev,
 				    struct wlan_cm_disconnect_req *req);
 
+/**
+ * ucfg_cm_disconnect_sync() - disconnect request with wait till
+ * completed
+ * @vdev: vdev pointer
+ * @source: disconnect source
+ * @reason_code: disconnect reason
+ *
+ * Context: Only call for north bound disconnect req, if wait till complete
+ * is required, e.g. during vdev delete. Do not call from scheduler context.
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS ucfg_cm_disconnect_sync(struct wlan_objmgr_vdev *vdev,
+				   enum wlan_cm_source source,
+				   enum wlan_reason_code reason_code);
+
 /**
  * ucfg_cm_is_vdev_connecting() - check if vdev is in conneting state
  * @vdev: vdev pointer

umac/mlme/connection_mgr/dispatcher/src/wlan_cm_api.c

@@ -29,10 +29,33 @@ QDF_STATUS wlan_cm_start_connect(struct wlan_objmgr_vdev *vdev,
 	return cm_connect_start_req(vdev, req);
 }
 
-QDF_STATUS wlan_cm_start_disconnect(struct wlan_objmgr_vdev *vdev,
+QDF_STATUS wlan_cm_disconnect(struct wlan_objmgr_vdev *vdev,
-				    struct wlan_cm_disconnect_req *req)
+			      enum wlan_cm_source source,
+			      enum wlan_reason_code reason_code,
+			      struct qdf_mac_addr *bssid)
 {
-	return cm_disconnect_start_req(vdev, req);
+	struct wlan_cm_disconnect_req req = {0};
+
+	req.vdev_id = wlan_vdev_get_id(vdev);
+	req.source = source;
+	req.reason_code = reason_code;
+	if (bssid)
+		qdf_copy_macaddr(&req.bssid, bssid);
+
+	return cm_disconnect_start_req(vdev, &req);
+}
+
+QDF_STATUS wlan_cm_disconnect_sync(struct wlan_objmgr_vdev *vdev,
+				   enum wlan_cm_source source,
+				   enum wlan_reason_code reason_code)
+{
+	struct wlan_cm_disconnect_req req = {0};
+
+	req.vdev_id = wlan_vdev_get_id(vdev);
+	req.source = source;
+	req.reason_code = reason_code;
+
+	return cm_disconnect_start_req_sync(vdev, &req);
 }
 
 QDF_STATUS wlan_cm_bss_select_ind_rsp(struct wlan_objmgr_vdev *vdev,

umac/mlme/connection_mgr/dispatcher/src/wlan_cm_ucfg_api.c

@@ -35,6 +35,13 @@ QDF_STATUS ucfg_cm_start_disconnect(struct wlan_objmgr_vdev *vdev,
 	return cm_disconnect_start_req(vdev, req);
 }
 
+QDF_STATUS ucfg_cm_disconnect_sync(struct wlan_objmgr_vdev *vdev,
+				   enum wlan_cm_source source,
+				   enum wlan_reason_code reason_code)
+{
+	return wlan_cm_disconnect_sync(vdev, source, reason_code);
+}
+
 bool ucfg_cm_is_vdev_connecting(struct wlan_objmgr_vdev *vdev)
 {
 	return cm_is_vdev_connecting(vdev);