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authorJohn Heffner <jheffner@psc.edu>2007-04-13 21:31:34 +0200
committerAdrian Bunk <bunk@stusta.de>2007-04-13 22:58:26 +0200
commit19a0662baeb7f783d345ebdfe3048b834582b294 (patch)
treee4732dea4cda724d2e4801baf2d7454cb3d2a16b
parent889cde54cd2a82f6e4d7ed18440e0f6138b06d60 (diff)
[TCP]: Do receiver-side SWS avoidance for rcvbuf < MSS.
Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
-rw-r--r--net/ipv4/tcp_output.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d31fb639761..dde7664a1d9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1319,6 +1319,9 @@ u32 __tcp_select_window(struct sock *sk)
*/
if (window <= free_space - mss || window > free_space)
window = (free_space/mss)*mss;
+ else if (mss == full_space &&
+ free_space > window + full_space/2)
+ window = free_space;
}
return window;