On Fri, Feb 5, 2016 at 3:28 PM, Alexander Duyck <adu...@mirantis.com> wrote:
> This patch enables us to use inner checksum offloads if provided by
> hardware with outer checksums computed by software.
>
> It basically reduces encap_hdr_csum to an advisory flag for now, but based
> on the fact that SCTP may be getting segmentation support before long I
> thought we may want to keep it as it is possible we may need to support
> CRC32c and 1's compliment checksum in the same packet at some point in the
> future.
>
> Signed-off-by: Alexander Duyck <adu...@mirantis.com>

Acked-by: Tom Herbert <t...@herbertland.com>

> ---
>  net/core/skbuff.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/net/core/skbuff.c b/net/core/skbuff.c
> index 88262c82b96a..b0cce744e2a0 100644
> --- a/net/core/skbuff.c
> +++ b/net/core/skbuff.c
> @@ -3004,8 +3004,7 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
>         if (unlikely(!proto))
>                 return ERR_PTR(-EINVAL);
>
> -       csum = !head_skb->encap_hdr_csum &&
> -           !!can_checksum_protocol(features, proto);
> +       csum = !!can_checksum_protocol(features, proto);
>
>         headroom = skb_headroom(head_skb);
>         pos = skb_headlen(head_skb);
>

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