Merge to Fedora kernel-2.6.17-1.2187_FC5 patched with stable patch-2.6.17.13-vs2...

[linux-2.6.git] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 075216a..0334bbe 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -496,6 +496,24 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
        }
 }
 
+int tcp_v4_gso_send_check(struct sk_buff *skb)
+{
+       struct iphdr *iph;
+       struct tcphdr *th;
+
+       if (!pskb_may_pull(skb, sizeof(*th)))
+               return -EINVAL;
+
+       iph = skb->nh.iph;
+       th = skb->h.th;
+
+       th->check = 0;
+       th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0);
+       skb->csum = offsetof(struct tcphdr, check);
+       skb->ip_summed = CHECKSUM_HW;
+       return 0;
+}
+
 /*
  *     This routine will send an RST to the other tcp.
  *