3 files changed, 18 insertions, 3 deletions
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 4d23bc1c..eea11d06 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -533,6 +533,12 @@ rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 
 	dev = &rte_eth_devices[port_id];
+	if (!dev->data->dev_started) {
+		RTE_PMD_DEBUG_TRACE(
+		    "port %d must be started before start any queue\n", port_id);
+		return -EINVAL;
+	}
+
 	if (rx_queue_id >= dev->data->nb_rx_queues) {
 		RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 		return -EINVAL;
@@ -585,6 +591,12 @@ rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 
 	dev = &rte_eth_devices[port_id];
+	if (!dev->data->dev_started) {
+		RTE_PMD_DEBUG_TRACE(
+		    "port %d must be started before start any queue\n", port_id);
+		return -EINVAL;
+	}
+
 	if (tx_queue_id >= dev->data->nb_tx_queues) {
 		RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 		return -EINVAL;
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 2cc2eedf..eba11ca5 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3125,6 +3125,9 @@ static inline int rte_eth_tx_descriptor_status(uint16_t port_id,
  * invoke this function concurrently on the same tx queue without SW lock.
  * @see rte_eth_dev_info_get, struct rte_eth_txconf::txq_flags
  *
+ * @see rte_eth_tx_prepare to perform some prior checks or adjustments
+ * for offloads.
+ *
  * @param port_id
  *   The port identifier of the Ethernet device.
  * @param queue_id
diff --git a/lib/librte_ether/rte_ethdev_pci.h b/lib/librte_ether/rte_ethdev_pci.h
index ad64a169..f69316d5 100644
--- a/lib/librte_ether/rte_ethdev_pci.h
+++ b/lib/librte_ether/rte_ethdev_pci.h
@@ -123,9 +123,6 @@ rte_eth_dev_pci_allocate(struct rte_pci_device *dev, size_t private_data_size)
 static inline void
 rte_eth_dev_pci_release(struct rte_eth_dev *eth_dev)
 {
-	/* free ether device */
-	rte_eth_dev_release_port(eth_dev);
-
 	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 		rte_free(eth_dev->data->dev_private);
 
@@ -139,6 +136,9 @@ rte_eth_dev_pci_release(struct rte_eth_dev *eth_dev)
 
 	eth_dev->device = NULL;
 	eth_dev->intr_handle = NULL;
+
+	/* free ether device */
+	rte_eth_dev_release_port(eth_dev);
 }
 
 typedef int (*eth_dev_pci_callback_t)(struct rte_eth_dev *eth_dev);