Subject: Re: [PATCH] virtio-net: Set RXCSUM feature if GUEST_CSUM is available

From: Rusty Russell <[email-masked]>
Date: Mon, 02 Sep 2013 11:17:57 +0930

David Miller <[email-masked]> writes:
> From: Thomas Huth <[email-masked]>
> Date: Tue, 27 Aug 2013 17:09:02 +0200
>
>> If the VIRTIO_NET_F_GUEST_CSUM virtio feature is available, the guest
>> does not have to calculate the checksums on all received packets. This
>> is pretty much the same feature as RX checksum offloading on real
>> network cards, so the virtio-net driver should report this by setting
>> the NETIF_F_RXCSUM flag. When the user now runs "ethtool -k", he or she
>> can see whether the virtio-net interface has to calculate RX checksums
>> or not.
>> 
>> Signed-off-by: Thomas Huth <[email-masked]>
>
> Can one of the virtio_net folks please review this?

Hmm, so NETIF_F_RXCSUM only exists for ethtool's benefit.  Weird.

But this patch is correct:

Acked-by: Rusty Russell <[email-masked]>

Thanks,
Rusty.