qcacld-3.0: Add API to restore or clear user set link num

Add API to restore or clear user set link num when SSR or
interface down happens.

Change-Id: I955937817481740dc3dd75b51d669ed36b5f74d2
CRs-Fixed: 3531260

components/mlme/dispatcher/inc/wlan_mlme_api.h

@@ -3992,6 +3992,32 @@ uint8_t wlan_mlme_get_sta_mlo_conn_max_num(struct wlan_objmgr_psoc *psoc);
 QDF_STATUS wlan_mlme_set_sta_mlo_conn_max_num(struct wlan_objmgr_psoc *psoc,
 					      uint8_t value);
 
+/**
+ * wlan_mlme_set_user_set_link_num() - set number of links that config by user
+ * @psoc: pointer to psoc object
+ * @value: value to set
+ *
+ * Return: QDF Status
+ */
+QDF_STATUS wlan_mlme_set_user_set_link_num(struct wlan_objmgr_psoc *psoc,
+					   uint8_t value);
+
+/**
+ * wlan_mlme_restore_user_set_link_num() - restore link num when SSR happens
+ * @psoc: pointer to psoc object
+ *
+ * Return: void
+ */
+void wlan_mlme_restore_user_set_link_num(struct wlan_objmgr_psoc *psoc);
+
+/**
+ * wlan_mlme_clear_user_set_link_num() - clear user set link num
+ * @psoc: pointer to psoc object
+ *
+ * Return: void
+ */
+void wlan_mlme_clear_user_set_link_num(struct wlan_objmgr_psoc *psoc);
+
 /**
  * wlan_mlme_get_sta_mlo_conn_band_bmp() - get band bitmap that sta mlo
  *                                         connection can support
@@ -4031,6 +4057,23 @@ uint8_t wlan_mlme_get_sta_mlo_simultaneous_links(struct wlan_objmgr_psoc *psoc);
 QDF_STATUS wlan_mlme_set_sta_mlo_conn_band_bmp(struct wlan_objmgr_psoc *psoc,
 					       uint8_t value);
 #else
+static inline QDF_STATUS
+wlan_mlme_set_user_set_link_num(struct wlan_objmgr_psoc *psoc,
+				uint8_t value)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline
+void wlan_mlme_restore_user_set_link_num(struct wlan_objmgr_psoc *psoc)
+{
+}
+
+static inline
+void wlan_mlme_clear_user_set_link_num(struct wlan_objmgr_psoc *psoc)
+{
+}
+
 static inline QDF_STATUS
 wlan_mlme_set_sta_mlo_conn_max_num(struct wlan_objmgr_psoc *psoc,
 				   uint8_t value)

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -1723,6 +1723,7 @@ enum station_prefer_bw {
  * @usr_scan_probe_unicast_ra:      User config unicast probe req in scan
  * @event_payload:                  Diagnostic event payload
  * @max_li_modulated_dtim_time_ms:  Max modulated DTIM time in ms.
+ * @user_set_link_num:              save link num set by vendor command
  * @mlo_support_link_num:           max number of links that sta mlo supports
  * @mlo_support_link_band:          band bitmap that sta mlo supports
  * @mlo_max_simultaneous_links:     number of simultaneous links
@@ -1757,6 +1758,7 @@ struct wlan_mlme_sta_cfg {
 #endif
 	uint16_t max_li_modulated_dtim_time_ms;
 #ifdef WLAN_FEATURE_11BE_MLO
+	uint8_t user_set_link_num;
 	uint8_t mlo_support_link_num;
 	uint8_t mlo_support_link_band;
 	uint8_t mlo_max_simultaneous_links;

components/mlme/dispatcher/src/wlan_mlme_api.c

@@ -1358,12 +1358,60 @@ QDF_STATUS wlan_mlme_set_sta_mlo_conn_max_num(struct wlan_objmgr_psoc *psoc,
 	if (!mlme_obj)
 		return QDF_STATUS_E_FAILURE;
 
-	mlme_obj->cfg.sta.mlo_support_link_num = value;
+	if (!value)
+		mlme_obj->cfg.sta.mlo_support_link_num =
+					  cfg_default(CFG_MLO_SUPPORT_LINK_NUM);
+	else
+		mlme_obj->cfg.sta.mlo_support_link_num = value;
+
 	mlme_legacy_debug("mlo_support_link_num %d", value);
 
 	return QDF_STATUS_SUCCESS;
 }
 
+QDF_STATUS wlan_mlme_set_user_set_link_num(struct wlan_objmgr_psoc *psoc,
+					   uint8_t value)
+{
+	struct wlan_mlme_psoc_ext_obj *mlme_obj;
+
+	mlme_obj = mlme_get_psoc_ext_obj(psoc);
+	if (!mlme_obj)
+		return QDF_STATUS_E_FAILURE;
+
+	mlme_obj->cfg.sta.user_set_link_num = value;
+	mlme_legacy_debug("user_set_link_num %d", value);
+
+	return QDF_STATUS_SUCCESS;
+}
+
+void wlan_mlme_restore_user_set_link_num(struct wlan_objmgr_psoc *psoc)
+{
+	struct wlan_mlme_psoc_ext_obj *mlme_obj;
+
+	mlme_obj = mlme_get_psoc_ext_obj(psoc);
+	if (!mlme_obj)
+		return;
+
+	if (!mlme_obj->cfg.sta.user_set_link_num)
+		return;
+
+	mlme_obj->cfg.sta.mlo_support_link_num =
+				mlme_obj->cfg.sta.user_set_link_num;
+	mlme_legacy_debug("restore mlo_support_link_num %d",
+			  mlme_obj->cfg.sta.user_set_link_num);
+}
+
+void wlan_mlme_clear_user_set_link_num(struct wlan_objmgr_psoc *psoc)
+{
+	struct wlan_mlme_psoc_ext_obj *mlme_obj;
+
+	mlme_obj = mlme_get_psoc_ext_obj(psoc);
+	if (!mlme_obj)
+		return;
+
+	mlme_obj->cfg.sta.user_set_link_num = 0;
+}
+
 uint8_t wlan_mlme_get_sta_mlo_conn_band_bmp(struct wlan_objmgr_psoc *psoc)
 {
 	struct wlan_mlme_psoc_ext_obj *mlme_obj;

core/sme/src/common/sme_api.c

@@ -14995,6 +14995,7 @@ void sme_set_mlo_max_links(mac_handle_t mac_handle, uint8_t vdev_id,
 		return;
 	}
 	wlan_mlme_set_sta_mlo_conn_max_num(mac_ctx->psoc, val);
+	wlan_mlme_set_user_set_link_num(mac_ctx->psoc, val);
 }
 
 void sme_set_mlo_max_simultaneous_links(mac_handle_t mac_handle,