[dpdk-dev] [PATCH] ethdev: fix queue start
Qi Zhang
qi.z.zhang at intel.com
Thu Mar 22 13:59:01 CET 2018
Device must be started before start any queue.
Fixes: 0748be2cf9a2 ("ethdev: queue start and stop")
Cc: stable at dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
lib/librte_ether/rte_ethdev.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 0590f0c10..7aa404fa5 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -732,6 +732,12 @@ 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;
@@ -785,6 +791,12 @@ 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;
--
2.13.6
More information about the dev
mailing list