[dpdk-dev] [PATCH 2/2] net/virtio: enable any layout feature

[Michael S. Tsirkin]

On Mon, Sep 26, 2016 at 02:40:56PM +0800, Yuanhan Liu wrote:
> The feature VIRTIO_F_ANY_LAYOUT was actually supported by commit
> dd856dfcb9e7 ("virtio: use any layout on Tx"). But it's not enabled.
> Here this patch enables it.
> 
> Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>

Well this will break cross-version migration if just done
unconditionally.
Let's add a protocol feature for this bugfix?

> ---
>  drivers/net/virtio/virtio_ethdev.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h
> index 04d626b..3e31e6a 100644
> --- a/drivers/net/virtio/virtio_ethdev.h
> +++ b/drivers/net/virtio/virtio_ethdev.h
> @@ -64,6 +64,7 @@
>  	 1u << VIRTIO_NET_F_CTRL_VLAN	  |	\
>  	 1u << VIRTIO_NET_F_MRG_RXBUF	  |	\
>  	 1u << VIRTIO_RING_F_INDIRECT_DESC |    \
> +	 1u << VIRTIO_F_ANY_LAYOUT |    \
>  	 1ULL << VIRTIO_F_VERSION_1)
>  
>  /*
> -- 
> 1.9.0