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authorHerbert Xu <herbert@gondor.apana.org.au>2008-12-15 23:43:36 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-15 23:43:36 -0800
commitbf296b125b21b8d558ceb6ec30bb4eba2730cd6b (patch)
tree5a06714c4001ccf1b217b888121f30d57fceea6d /include/net
parent71d93b39e52e92aea35f1058d957cf12250d0b75 (diff)
tcp: Add GRO support
This patch adds the TCP-specific portion of GRO. The criterion for merging is extremely strict (the TCP header must match exactly apart from the checksum) so as to allow refragmentation. Otherwise this is pretty much identical to LRO, except that we support the merging of ECN packets. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tcp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index de1e91d959b8..218235de8963 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1358,6 +1358,12 @@ extern void tcp_v4_destroy_sock(struct sock *sk);
extern int tcp_v4_gso_send_check(struct sk_buff *skb);
extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
+extern struct sk_buff **tcp_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb);
+extern struct sk_buff **tcp4_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb);
+extern int tcp_gro_complete(struct sk_buff *skb);
+extern int tcp4_gro_complete(struct sk_buff *skb);
#ifdef CONFIG_PROC_FS
extern int tcp4_proc_init(void);