[dpdk-stable] [PATCH 3/3] net/virtio: reject unsupported Rx multi queue modes
Tiwei Bie
tiwei.bie at intel.com
Tue Oct 8 07:46:51 CEST 2019
On Tue, Oct 01, 2019 at 04:44:31PM +0100, Andrew Rybchenko wrote:
> From: Dilshod Urazov <Dilshod.Urazov at oktetlabs.ru>
>
> This driver supports none of DCB, RSS or VMDQ modes,
> therefore must check and return error if configured incorrectly.
>
> Fixes: c1f86306a026 ("virtio: add new driver")
> Cc: stable at dpdk.org
>
> Signed-off-by: Dilshod Urazov <Dilshod.Urazov at oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
> ---
> drivers/net/virtio/virtio_ethdev.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
> index 7261109dd..0af4fc392 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -2071,6 +2071,13 @@ virtio_dev_configure(struct rte_eth_dev *dev)
> PMD_INIT_LOG(DEBUG, "configure");
> req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES;
>
> + if (rxmode->mq_mode != ETH_MQ_RX_NONE) {
> + PMD_DRV_LOG(ERR,
> + "Unsupported Rx multi queue mode %d",
> + rxmode->mq_mode);
> + return -EINVAL;
> + }
We need similar checks for Tx as well.
Thanks,
Tiwei
> +
> if (dev->data->dev_conf.intr_conf.rxq) {
> ret = virtio_init_device(dev, hw->req_guest_features);
> if (ret < 0)
> --
> 2.17.1
>
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