diff options
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index a6adff98382a..84e0e05c9c0e 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -290,16 +290,25 @@ static struct sk_buff **udp4_gro_receive(struct sk_buff **head, { struct udphdr *uh = udp_gro_udphdr(skb); - /* Don't bother verifying checksum if we're going to flush anyway. */ - if (unlikely(!uh) || - (!NAPI_GRO_CB(skb)->flush && - skb_gro_checksum_validate_zero_check(skb, IPPROTO_UDP, uh->check, - inet_gro_compute_pseudo))) { - NAPI_GRO_CB(skb)->flush = 1; - return NULL; - } + if (unlikely(!uh)) + goto flush; + /* Don't bother verifying checksum if we're going to flush anyway. */ + if (!NAPI_GRO_CB(skb)->flush) + goto skip; + + if (skb_gro_checksum_validate_zero_check(skb, IPPROTO_UDP, uh->check, + inet_gro_compute_pseudo)) + goto flush; + else if (uh->check) + skb_gro_checksum_try_convert(skb, IPPROTO_UDP, uh->check, + inet_gro_compute_pseudo); +skip: return udp_gro_receive(head, skb, uh); + +flush: + NAPI_GRO_CB(skb)->flush = 1; + return NULL; } int udp_gro_complete(struct sk_buff *skb, int nhoff) |