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authorLinus Torvalds <torvalds@g5.osdl.org>2006-07-09 15:50:41 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-09 15:50:41 -0700
commit09075ef0fd585fb093bb9a6cd1240272114f89cf (patch)
treec01d2cc260a18df73f785bea4de1c1cfbcbbd16f /net/ipv4/tcp_ipv4.c
parentc87fed1546bd00b42ee75f26c6b45393e4bf7559 (diff)
parent1b30dd359ebec22d035e8b145751319f63772ca1 (diff)
Merge commit master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 of HEAD
* HEAD: [AX.25]: Use kzalloc [ATM] net/atm/clip.c: fix PROC_FS=n compile [PKT_SCHED]: act_api: Fix module leak while flushing actions [NET]: Fix IPv4/DECnet routing rule dumping [NET] gso: Fix up GSO packets with broken checksums [NET] gso: Add skb_is_gso [IRDA]: fix drivers/net/irda/ali-ircc.c:ali_ircc_init() [ATM]: fix possible recursive locking in skb_migrate() [ATM]: Typo in drivers/atm/Kconfig... [TG3]: add amd8131 to "write reorder" chipsets [NET]: Fix network device interface printk message priority
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5a886e6efbb..a891133f00e 100644
--- 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.
*