Commit d861b5c7 authored by Pengcheng Yang's avatar Pengcheng Yang Committed by David S. Miller
Browse files

tcp: stretch ACK fixes in Veno prep 



No code logic has been changed in this patch.

Signed-off-by: default avatarPengcheng Yang <yangpc@wangsu.com>
Acked-by: default avatarNeal Cardwell <ncardwell@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5415e3c3

net/ipv4/tcp_veno.c

+23 −21
Original line number Diff line number Diff line
@@ -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)