+static int
+sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = EINVAL;
+ if (sa->state != SFC_ADAPTER_STARTED)
+ goto fail_not_started;
+
+ rc = sfc_tx_qstart(sa, tx_queue_id);
+ if (rc != 0)
+ goto fail_tx_qstart;
+
+ sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+
+fail_tx_qstart:
+
+fail_not_started:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+ sfc_adapter_lock(sa);
+
+ sfc_tx_qstop(sa, tx_queue_id);
+
+ sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+}
+