diff options
Diffstat (limited to 'net/ipv4/tcp_offload.c')
| -rw-r--r-- | net/ipv4/tcp_offload.c | 31 |
1 files changed, 2 insertions, 29 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index be5c2294610e..fdda18b1abda 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -282,33 +282,6 @@ struct sk_buff *tcp_gro_lookup(struct list_head *head, struct tcphdr *th) return NULL; } -struct tcphdr *tcp_gro_pull_header(struct sk_buff *skb) -{ - unsigned int thlen, hlen, off; - struct tcphdr *th; - - off = skb_gro_offset(skb); - hlen = off + sizeof(*th); - th = skb_gro_header(skb, hlen, off); - if (unlikely(!th)) - return NULL; - - thlen = th->doff * 4; - if (thlen < sizeof(*th)) - return NULL; - - hlen = off + thlen; - if (!skb_gro_may_pull(skb, hlen)) { - th = skb_gro_header_slow(skb, hlen, off); - if (unlikely(!th)) - return NULL; - } - - skb_gro_pull(skb, thlen); - - return th; -} - struct sk_buff *tcp_gro_receive(struct list_head *head, struct sk_buff *skb, struct tcphdr *th) { @@ -434,8 +407,7 @@ static void tcp4_check_fraglist_gro(struct list_head *head, struct sk_buff *skb, inet_get_iif_sdif(skb, &iif, &sdif); iph = skb_gro_network_header(skb); net = dev_net_rcu(skb->dev); - sk = __inet_lookup_established(net, net->ipv4.tcp_death_row.hashinfo, - iph->saddr, th->source, + sk = __inet_lookup_established(net, iph->saddr, th->source, iph->daddr, ntohs(th->dest), iif, sdif); NAPI_GRO_CB(skb)->is_flist = !sk; @@ -485,6 +457,7 @@ INDIRECT_CALLABLE_SCOPE int tcp4_gro_complete(struct sk_buff *skb, int thoff) th->check = ~tcp_v4_check(skb->len - thoff, iph->saddr, iph->daddr, 0); + BUILD_BUG_ON(SKB_GSO_TCP_FIXEDID << 1 != SKB_GSO_TCP_FIXEDID_INNER); skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV4 | (NAPI_GRO_CB(skb)->ip_fixedid * SKB_GSO_TCP_FIXEDID); |
