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tcp: stretch ACK fixes in Veno prep 

No code logic has been changed in this patch.

Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pengcheng Yang 2020-03-16 14:35:09 +08:00 committed by David S. Miller
parent 5415e3c37a
commit d861b5c753
1 changed files with 25 additions and 23 deletions
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6
net/ipv4/tcp_veno.c
View File

@ -155,7 +155,9 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
if (tcp_in_slow_start(tp)) {
/* Slow start. */
tcp_slow_start(tp, acked);
} else {
goto done;
}
/* Congestion avoidance. */
if (veno->diff < beta) {
/* In the "non-congestive state", increase cwnd
@ -177,7 +179,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
} else
tp->snd_cwnd_cnt++;
}
}
done:
if (tp->snd_cwnd < 2)
tp->snd_cwnd = 2;
else if (tp->snd_cwnd > tp->snd_cwnd_clamp)