From: Frédéric Lécaille <flecaille@haproxy.com>
Date: Tue, 5 Sep 2023 11:59:09 +0000 (+0200)
Subject: BUG/MINOR: quic: Wrong RTT adjusments
X-Git-Tag: v2.9-dev5~47
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cf768f74567175566a9524a461f93fadd9748eee;p=thirdparty%2Fhaproxy.git

BUG/MINOR: quic: Wrong RTT adjusments

There was a typo in the test statement to check if the rtt must be adjusted
(>= incorectly replaced by >).

Must be backported as far as 2.6.
---

diff --git a/src/quic_loss.c b/src/quic_loss.c
index 04de92430c..fbfec77394 100644
--- a/src/quic_loss.c
+++ b/src/quic_loss.c
@@ -35,7 +35,7 @@ void quic_loss_srtt_update(struct quic_loss *ql,
 
 		ql->rtt_min = QUIC_MIN(rtt, ql->rtt_min);
 		/* Specific to QUIC (RTT adjustment). */
-		if (ack_delay && rtt > ql->rtt_min + ack_delay)
+		if (ack_delay && rtt >= ql->rtt_min + ack_delay)
 			rtt -= ack_delay;
 		diff = (ql->srtt >> 3) - rtt;
 		if (diff < 0)