diff options
Diffstat (limited to 'net/ipv4/tcp_offload.c')
| -rw-r--r-- | net/ipv4/tcp_offload.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index 05606353c7e7..2658a27f540d 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -240,7 +240,7 @@ int tcp_gro_complete(struct sk_buff *skb) { struct tcphdr *th = tcp_hdr(skb); - skb->csum_start = skb_transport_header(skb) - skb->head; + skb->csum_start = (unsigned char *)th - skb->head; skb->csum_offset = offsetof(struct tcphdr, check); skb->ip_summed = CHECKSUM_PARTIAL; @@ -272,6 +272,7 @@ static int tcp_v4_gso_send_check(struct sk_buff *skb) static struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb) { + /* Use the IP hdr immediately proceeding for this transport */ const struct iphdr *iph = skb_gro_network_header(skb); __wsum wsum; @@ -303,13 +304,13 @@ skip_csum: return tcp_gro_receive(head, skb); } -static int tcp4_gro_complete(struct sk_buff *skb) +static int tcp4_gro_complete(struct sk_buff *skb, int thoff) { const struct iphdr *iph = ip_hdr(skb); struct tcphdr *th = tcp_hdr(skb); - th->check = ~tcp_v4_check(skb->len - skb_transport_offset(skb), - iph->saddr, iph->daddr, 0); + th->check = ~tcp_v4_check(skb->len - thoff, iph->saddr, + iph->daddr, 0); skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; return tcp_gro_complete(skb); |