linux-kernel - Re: [PATCH net 2/2] virtio-net: fail XDP set if guest csum is negotiated

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Message-Id: <20181123.120132.2137332799436496001.davem@davemloft.net>
Date:   Fri, 23 Nov 2018 12:01:32 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     jasowang@...hat.com
Cc:     mst@...hat.com, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        brouer@...hat.com, pashinho1990@...il.com, dsahern@...il.com
Subject: Re: [PATCH net 2/2] virtio-net: fail XDP set if guest csum is
 negotiated

From: Jason Wang <jasowang@...hat.com>
Date: Thu, 22 Nov 2018 14:36:31 +0800

> We don't support partial csumed packet since its metadata will be lost
> or incorrect during XDP processing. So fail the XDP set if guest_csum
> feature is negotiated.
> 
> Fixes: f600b6905015 ("virtio_net: Add XDP support")
> Reported-by: Jesper Dangaard Brouer <brouer@...hat.com>
> Cc: Jesper Dangaard Brouer <brouer@...hat.com>
> Cc: Pavel Popa <pashinho1990@...il.com>
> Cc: David Ahern <dsahern@...il.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Applied and queued up for -stable.

Same comments as for patch #1.