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_input.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/vnet/tcp/tcp_input.c') diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 30d57a3bb3e..5f165c01b4c 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -866,8 +866,7 @@ tcp_cc_handle_event (tcp_connection_t * tc, tcp_rate_sample_t * rs, tcp_fastrecovery_first_on (tc); tc->rxt_delivered += tc->sack_sb.rxt_sacked; - tc->prr_delivered += tc->bytes_acked + tc->sack_sb.last_sacked_bytes - - tc->sack_sb.last_bytes_delivered; + tc->prr_delivered += rs->delivered; } else { @@ -1042,6 +1041,9 @@ process_ack: if (tc->cfg_flags & TCP_CFG_F_RATE_SAMPLE) tcp_bt_sample_delivery_rate (tc, &rs); + else + rs.delivered = tc->bytes_acked + tc->sack_sb.last_sacked_bytes - + tc->sack_sb.last_bytes_delivered; if (tc->bytes_acked + tc->sack_sb.last_sacked_bytes) { -- cgit 1.2.3-korg