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authorEric Dumazet <edumazet@google.com>2012-05-02 09:58:29 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-02 21:11:11 -0400
commitb081f85c2977b1cbb6e635d53d9512f1ef985972 (patch)
tree3b41dfe3ee282c175907e8bcf9614385115fa2e6 /include
parent923dd347b8904c24bcac89bf038ed4da87f8aa90 (diff)
downloadlinux-b081f85c2977b1cbb6e635d53d9512f1ef985972.tar.bz2
net: implement tcp coalescing in tcp_queue_rcv()
Extend tcp coalescing implementing it from tcp_queue_rcv(), the main receiver function when application is not blocked in recvmsg(). Function tcp_queue_rcv() is moved a bit to allow its call from tcp_data_queue() This gives good results especially if GRO could not kick, and if skb head is a fragment. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Alexander Duyck <alexander.h.duyck@intel.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/tcp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5283aa4bfa23..c826ed7b007b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -439,7 +439,8 @@ extern int tcp_disconnect(struct sock *sk, int flags);
void tcp_connect_init(struct sock *sk);
void tcp_finish_connect(struct sock *sk, struct sk_buff *skb);
-void tcp_queue_rcv(struct sock *sk, struct sk_buff *skb, int hdrlen);
+int __must_check tcp_queue_rcv(struct sock *sk, struct sk_buff *skb,
+ int hdrlen, bool *fragstolen);
/* From syncookies.c */
extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];