From 809bd9fed134ec278e3839638a303fd8b0249adf Mon Sep 17 00:00:00 2001 From: =?utf8?q?Fr=C3=A9d=C3=A9ric=20L=C3=A9caille?= Date: Thu, 6 Apr 2023 13:13:08 +0200 Subject: [PATCH] BUG/MINOR: quic: Ignored less than 1ms RTTs Do not ignore very short RTTs (less than 1ms) before computing the smoothed RTT initializing it to an "infinite" value (UINT_MAX). Must be backported to 2.7 and 2.6. --- src/quic_conn.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/quic_conn.c b/src/quic_conn.c index d87bf05..9412b89 100644 --- a/src/quic_conn.c +++ b/src/quic_conn.c @@ -3117,13 +3117,13 @@ static int qc_parse_pkt_frms(struct quic_conn *qc, struct quic_rx_packet *pkt, { unsigned int rtt_sample; - rtt_sample = 0; + rtt_sample = UINT_MAX; if (!qc_parse_ack_frm(qc, &frm, qel, &rtt_sample, &pos, end)) { // trace already emitted by function above goto leave; } - if (rtt_sample) { + if (rtt_sample != UINT_MAX) { unsigned int ack_delay; ack_delay = !quic_application_pktns(qel->pktns, qc) ? 0 : -- 1.7.10.4