From 955d7c1f03d049b2018db3d2c4a78920368d7aa3 Mon Sep 17 00:00:00 2001 From: Dilshod Urazov Date: Wed, 9 Oct 2019 13:32:05 +0100 Subject: [PATCH] net/virtio: reject deferred Rx start Deferred start Rx queue is not supported by the driver. Fixes: 0748be2cf9a2 ("ethdev: queue start and stop") Cc: stable@dpdk.org Signed-off-by: Dilshod Urazov Signed-off-by: Andrew Rybchenko Reviewed-by: Maxime Coquelin --- drivers/net/virtio/virtio_rxtx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c index b5fc4ecbe1..405c313f20 100644 --- a/drivers/net/virtio/virtio_rxtx.c +++ b/drivers/net/virtio/virtio_rxtx.c @@ -929,7 +929,7 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, uint16_t nb_desc, unsigned int socket_id __rte_unused, - const struct rte_eth_rxconf *rx_conf __rte_unused, + const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp) { uint16_t vtpci_queue_idx = 2 * queue_idx + VTNET_SQ_RQ_QUEUE_IDX; @@ -939,6 +939,11 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, PMD_INIT_FUNC_TRACE(); + if (rx_conf->rx_deferred_start) { + PMD_INIT_LOG(ERR, "Rx deferred start is not supported"); + return -EINVAL; + } + if (nb_desc == 0 || nb_desc > vq->vq_nentries) nb_desc = vq->vq_nentries; vq->vq_free_cnt = RTE_MIN(vq->vq_free_cnt, nb_desc); -- 2.20.1