[dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel
Yuanhan Liu
yliu at fridaylinux.org
Tue Nov 7 04:44:59 CET 2017
On Wed, Oct 25, 2017 at 08:09:06PM -0700, wangzhike wrote:
> The max_mtu is kept as zero in case no CRTL channel, which leads
> to failure when calling virtio_mtu_set().
>
> Signed-off-by: wangzhike <wangzhike at jd.com>
Acked-by: Yuanhan Liu <yliu at fridaylinux.org>
Thanks.
--yliu
> ---
> drivers/net/virtio/virtio_ethdev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
> index bfbd737..823b3fd 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -1474,6 +1474,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
> } else {
> PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
> hw->max_queue_pairs = 1;
> + hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
> + VLAN_TAG_LEN - hw->vtnet_hdr_size;
> }
>
> ret = virtio_alloc_queues(eth_dev);
> --
> 1.8.3.1
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