[dpdk-dev] [PATCH] vhost: support Explicit Congestion Notification

Yuanhan Liu yliu at fridaylinux.org
Thu Jan 11 15:27:35 CET 2018


On Wed, Nov 22, 2017 at 11:19:42AM +0800, Jiayu Hu wrote:
> In virtio, Explicit Congestion Notification (ECN) includes two parts:
> guest ECN and host ECN. Guest ECN means the frontend can handle TSO
> packets which have ECN set, and host ECN means the backend can handle
> TSO packets which have ECN set.
> 
> The ECN features are rarely used. However, virtio-net enables them by
> default, and vhost-net support both. To make live migration from
> vhost-net to vhost-user possible, this patch announces to support
> guest and host ECN in vhost-user.
> 
> Signed-off-by: Jiayu Hu <jiayu.hu at intel.com>

Applied to dpdk-next-virtio.

Thanks.

	--yliu


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