qcacld-3.0: cleanup IPA STA iface, if STA disconnect failed

If STA disconnect failed for any reason, cleanup IPA STA iface
if not already done.

Change-Id: I27ff33324bc4724e8470af9a0c434fa03e8aa5c3
CRs-Fixed: 2505563

components/ipa/core/inc/wlan_ipa_core.h

@@ -637,6 +637,19 @@ int wlan_ipa_uc_smmu_map(bool map, uint32_t num_buf, qdf_mem_info_t *buf_arr);
  */
 bool wlan_ipa_is_fw_wdi_activated(struct wlan_ipa_priv *ipa_ctx);
 
+/**
+ * wlan_ipa_uc_cleanup_sta - disconnect and cleanup sta iface
+ * @ipa_ctx: IPA context
+ * @net_dev: Interface net device
+ *
+ * Send disconnect sta event to IPA driver and cleanup IPA iface
+ * if not yet done
+ *
+ * Return: void
+ */
+void wlan_ipa_uc_cleanup_sta(struct wlan_ipa_priv *ipa_ctx,
+			     qdf_netdev_t net_dev);
+
 /**
  * wlan_ipa_uc_disconnect_ap() - send ap disconnect event
  * @ipa_ctx: IPA context

components/ipa/core/inc/wlan_ipa_main.h

@@ -377,6 +377,19 @@ int ipa_uc_smmu_map(bool map, uint32_t num_buf, qdf_mem_info_t *buf_arr);
  */
 bool ipa_is_fw_wdi_activated(struct wlan_objmgr_pdev *pdev);
 
+/**
+ * ipa_uc_cleanup_sta() - disconnect and cleanup sta iface
+ * @pdev: pdev obj
+ * @net_dev: Interface net device
+ *
+ * Send disconnect sta event to IPA driver and cleanup IPA iface,
+ * if not yet done
+ *
+ * Return: void
+ */
+void ipa_uc_cleanup_sta(struct wlan_objmgr_pdev *pdev,
+			qdf_netdev_t net_dev);
+
 /**
  * ipa_uc_disconnect_ap() - send ap disconnect event
  * @pdev: pdev obj

components/ipa/core/src/wlan_ipa_core.c

@@ -3343,6 +3343,27 @@ static QDF_STATUS wlan_ipa_uc_send_evt(qdf_netdev_t net_dev,
 	return QDF_STATUS_SUCCESS;
 }
 
+void wlan_ipa_uc_cleanup_sta(struct wlan_ipa_priv *ipa_ctx,
+			     qdf_netdev_t net_dev)
+{
+	struct wlan_ipa_iface_context *iface_ctx;
+	int i;
+
+	ipa_debug("enter");
+
+	for (i = 0; i < WLAN_IPA_MAX_IFACE; i++) {
+		iface_ctx = &ipa_ctx->iface_context[i];
+		if (iface_ctx && iface_ctx->device_mode == QDF_STA_MODE &&
+		    iface_ctx->dev == net_dev && iface_ctx->tl_context) {
+			wlan_ipa_uc_send_evt(net_dev, QDF_IPA_STA_DISCONNECT,
+					     net_dev->dev_addr);
+			wlan_ipa_cleanup_iface(iface_ctx);
+		}
+	}
+
+	ipa_debug("exit");
+}
+
 QDF_STATUS wlan_ipa_uc_disconnect_ap(struct wlan_ipa_priv *ipa_ctx,
 				     qdf_netdev_t net_dev)
 {

components/ipa/core/src/wlan_ipa_main.c

@@ -541,6 +541,20 @@ bool ipa_is_fw_wdi_activated(struct wlan_objmgr_pdev *pdev)
 	return wlan_ipa_is_fw_wdi_activated(ipa_obj);
 }
 
+void ipa_uc_cleanup_sta(struct wlan_objmgr_pdev *pdev,
+			qdf_netdev_t net_dev)
+{
+	struct wlan_ipa_priv *ipa_obj;
+
+	ipa_obj = ipa_pdev_get_priv_obj(pdev);
+	if (!ipa_obj) {
+		ipa_err("IPA object is NULL");
+		return;
+	}
+
+	return wlan_ipa_uc_cleanup_sta(ipa_obj, net_dev);
+}
+
 QDF_STATUS ipa_uc_disconnect_ap(struct wlan_objmgr_pdev *pdev,
 				qdf_netdev_t net_dev)
 {

components/ipa/dispatcher/inc/wlan_ipa_ucfg_api.h

@@ -285,6 +285,19 @@ int ucfg_ipa_uc_smmu_map(bool map, uint32_t num_buf, qdf_mem_info_t *buf_arr);
  */
 bool ucfg_ipa_is_fw_wdi_activated(struct wlan_objmgr_pdev *pdev);
 
+/**
+ * ucfg_ipa_uc_cleanup_sta() - disconnect and cleanup sta iface
+ * @pdev: pdev obj
+ * @net_dev: Interface net device
+ *
+ * Send disconnect sta event to IPA driver and cleanup IPA iface,
+ * if not yet done
+ *
+ * Return: void
+ */
+void ucfg_ipa_uc_cleanup_sta(struct wlan_objmgr_pdev *pdev,
+			     qdf_netdev_t net_dev);
+
 /**
  * ucfg_ipa_uc_disconnect_ap() - send ap disconnect event
  * @pdev: pdev obj
@@ -507,6 +520,12 @@ bool ucfg_ipa_is_fw_wdi_activated(struct wlan_objmgr_pdev *pdev)
 	return false;
 }
 
+static inline
+void ucfg_ipa_uc_cleanup_sta(struct wlan_objmgr_pdev *pdev,
+			     qdf_netdev_t net_dev)
+{
+}
+
 static inline
 QDF_STATUS ucfg_ipa_uc_disconnect_ap(struct wlan_objmgr_pdev *pdev,
 				     qdf_netdev_t net_dev)

components/ipa/dispatcher/src/wlan_ipa_ucfg_api.c

@@ -174,6 +174,12 @@ bool ucfg_ipa_is_fw_wdi_activated(struct wlan_objmgr_pdev *pdev)
 	return ipa_is_fw_wdi_activated(pdev);
 }
 
+void ucfg_ipa_uc_cleanup_sta(struct wlan_objmgr_pdev *pdev,
+			     qdf_netdev_t net_dev)
+{
+	return ipa_uc_cleanup_sta(pdev, net_dev);
+}
+
 QDF_STATUS ucfg_ipa_uc_disconnect_ap(struct wlan_objmgr_pdev *pdev,
 				     qdf_netdev_t net_dev)
 {

core/hdd/src/wlan_hdd_main.c

@@ -5857,14 +5857,21 @@ QDF_STATUS hdd_stop_adapter(struct hdd_context *hdd_ctx,
 					mac_handle,
 					adapter->vdev_id,
 					eCSR_DISCONNECT_REASON_IBSS_LEAVE);
-			else if (adapter->device_mode == QDF_STA_MODE)
-				wlan_hdd_disconnect(adapter,
-					eCSR_DISCONNECT_REASON_DEAUTH);
-			else
+			else if (adapter->device_mode == QDF_STA_MODE) {
+				rc = wlan_hdd_disconnect(
+						adapter,
+						eCSR_DISCONNECT_REASON_DEAUTH);
+				if (rc != 0 && ucfg_ipa_is_enabled()) {
+					hdd_err("STA disconnect failed");
+					ucfg_ipa_uc_cleanup_sta(hdd_ctx->pdev,
+								adapter->dev);
+				}
+			} else {
 				status = sme_roam_disconnect(
 					mac_handle,
 					adapter->vdev_id,
 					eCSR_DISCONNECT_REASON_UNSPECIFIED);
+			}
 			/* success implies disconnect is queued */
 			if (QDF_IS_STATUS_SUCCESS(status) &&
 			    adapter->device_mode != QDF_STA_MODE) {