ethdev: fix queue start

Device must be started before start any queue.

Fixes: 0748be2cf9a2 ("ethdev: queue start and stop")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index aa7b4d51fb8aa409529e886b93fc732c4629c891..2c74f7e0495be458605281d07524910528d93d00 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -736,6 +736,12 @@ rte_eth_dev_rx_queue_start(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;
@@ -789,6 +795,12 @@ rte_eth_dev_tx_queue_start(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;