AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[TCP]: Fix tcp_tso_should_defer() when limit>=65536

Browse Source 
That's >= a full sized TSO frame, so we should always
return 0 in that case.

Based upon a report and initial patch from Lachlan
Andrew, final patch suggested by Herbert Xu.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-03-11 18:51:49 -08:00
parent c127437641
commit ba244fe900
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/ipv4/tcp_output.c
View File

@ -1036,6 +1036,10 @@ static int tcp_tso_should_defer(struct sock *sk, struct tcp_sock *tp, struct sk_
limit = min(send_win, cong_win); limit = min(send_win, cong_win);
/* If a full-sized TSO skb can be sent, do it. */
if (limit >= 65536)
return 0;
if (sysctl_tcp_tso_win_divisor) { if (sysctl_tcp_tso_win_divisor) {
u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache); u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache);