[dpdk-dev] [PATCH v3 2/4] net/virtio: add checking for cvq

[Tan, Jianfeng]

On 3/21/2018 11:03 AM, zhiyong.yang at intel.com wrote:
> Add checking for cvq to judge if virtio_ack_link_announce should be called.
> The existing code doesn't cause issue, and add the checking just to look
> more reasonable.
>
> Signed-off-by: Zhiyong Yang <zhiyong.yang at intel.com>

Reviewed-by: Jianfeng Tan <jianfeng.tan at intel.com>

Thanks,
Jianfeng

> ---
>   drivers/net/virtio/virtio_ethdev.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
> index f377d8aa3..b567d3cf8 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -1337,7 +1337,8 @@ virtio_interrupt_handler(void *param)
>   
>   	if (isr & VIRTIO_NET_S_ANNOUNCE) {
>   		virtio_notify_peers(dev);
> -		virtio_ack_link_announce(dev);
> +		if (hw->cvq)
> +			virtio_ack_link_announce(dev);
>   	}
>   }
>