From 0f8b91f5d8e4bc2f9a0166440abaf00b2bda29bb Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 5 Jan 2022 08:47:11 -0800 Subject: tcp: use bytes delivered to compute cwnd Should estimated cwnd better with loss Type: improvement Signed-off-by: Florin Coras Change-Id: Idd75d40dbab212ac0a5d533009c5540b1a58f4c4 --- src/vnet/tcp/tcp_cubic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/vnet/tcp/tcp_cubic.c') diff --git a/src/vnet/tcp/tcp_cubic.c b/src/vnet/tcp/tcp_cubic.c index cc2ffeae9f0..3160e528e6d 100644 --- a/src/vnet/tcp/tcp_cubic.c +++ b/src/vnet/tcp/tcp_cubic.c @@ -158,7 +158,7 @@ cubic_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs) if (tcp_in_slowstart (tc)) { - tc->cwnd += tc->bytes_acked; + tc->cwnd += rs->delivered; return; } @@ -169,7 +169,7 @@ cubic_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs) w_aimd = (u64) W_est (cd, t, rtt_sec) * tc->snd_mss; if (w_cubic < w_aimd) { - cubic_cwnd_accumulate (tc, tc->cwnd, tc->bytes_acked); + cubic_cwnd_accumulate (tc, tc->cwnd, rs->delivered); } else { @@ -195,7 +195,7 @@ cubic_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs) /* Practically we can't increment so just inflate threshold */ thresh = 50 * tc->cwnd; } - cubic_cwnd_accumulate (tc, thresh, tc->bytes_acked); + cubic_cwnd_accumulate (tc, thresh, rs->delivered); } } -- cgit 1.2.3-korg