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[TCP]: Two RFC3465 Appropriate Byte Count fixes.

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1) fix slow start after retransmit timeout
2) fix case of L=2*SMSS acked bytes comparison

Signed-off-by: Daikichi Osuga <osugad@s1.nttdocomo.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daikichi Osuga
2006-08-29 02:01:44 -07:00
committed by David S. Miller
parent 76d0cc1b64
commit 3fdf3f0c99
2 changed files with 8 additions and 3 deletions
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2
net/ipv4/tcp_cong.c
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@@ -189,7 +189,7 @@ void tcp_slow_start(struct tcp_sock *tp)
return;
/* We MAY increase by 2 if discovered delayed ack */
if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) {
if (sysctl_tcp_abc > 1 && tp->bytes_acked >= 2*tp->mss_cache) {
if (tp->snd_cwnd < tp->snd_cwnd_clamp)
tp->snd_cwnd++;
}