netdev - Re: [PATCH 8/8] vxlan: Add support for zero UDP6 checksums

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Message-ID: <CAEP_g=9BTrUN48uV2teyufmG7QPZHmYsMrvWOBs9JhJam2oOVw@mail.gmail.com>
Date:	Mon, 12 May 2014 14:41:12 -0700
From:	Jesse Gross <jesse@...ira.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 8/8] vxlan: Add support for zero UDP6 checksums

On Mon, May 12, 2014 at 9:59 AM, Tom Herbert <therbert@...gle.com> wrote:
> @@ -1756,7 +1754,8 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
>         uh->source = src_port;
>
>         uh->len = htons(skb->len);
> -       uh->check = 0;
> +
> +       udp_set_csum(vs->sock->sk, skb, src, dst, skb->len);

How does this interact with inner checksum offloading? I don't think
that we have any infrastructure to support computing two checksums on
a packet yet.
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