diff options
| author |   Tom Herbert <therbert@google.com> | 2014-08-31 15:12:44 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-09-01 21:36:28 -0700 |
| commit | 884d338c041c2aa4536ade8620efa585e7c57f3c (patch) | |
| tree | 32c9366b0be384255f9f8a27b1a56d902b0f496e /net/ipv4/gre_offload.c | |
| parent | udp: Add support for doing checksum unnecessary conversion (diff) | |
| download | wireguard-linux-884d338c041c2aa4536ade8620efa585e7c57f3c.tar.xz wireguard-linux-884d338c041c2aa4536ade8620efa585e7c57f3c.zip | |
gre: Add support for checksum unnecessary conversions
Call skb_checksum_try_convert and skb_gro_checksum_try_convert
after checksum is found present and validated in the GRE header
for normal and GRO paths respectively.
In GRO path, call skb_gro_checksum_try_convert
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/gre_offload.c')
| -rw-r--r-- | net/ipv4/gre_offload.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index a4d7965fb880..d3fe2ac05167 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -172,10 +172,14 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head, } /* Don't bother verifying checksum if we're going to flush anyway. */ - if ((greh->flags & GRE_CSUM) && !NAPI_GRO_CB(skb)->flush && - skb_gro_checksum_simple_validate(skb)) + if ((greh->flags & GRE_CSUM) && !NAPI_GRO_CB(skb)->flush) { + if (skb_gro_checksum_simple_validate(skb)) goto out_unlock; + skb_gro_checksum_try_convert(skb, IPPROTO_GRE, 0, + null_compute_pseudo); + } + flush = 0; for (p = *head; p; p = p->next) { |