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BUG/MINOR: quic: Ignored less than 1ms RTTs

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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.
This commit is contained in:
Frédéric Lécaille 2023-04-06 13:13:08 +02:00
parent fad0e6cf73
commit 809bd9fed1
1 changed files with 2 additions and 2 deletions
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4
src/quic_conn.c
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@ -3117,13 +3117,13 @@ static int qc_parse_pkt_frms(struct quic_conn *qc, struct quic_rx_packet *pkt,
{ {
unsigned int rtt_sample; unsigned int rtt_sample;
rtt_sample = 0; rtt_sample = UINT_MAX;
if (!qc_parse_ack_frm(qc, &frm, qel, &rtt_sample, &pos, end)) { if (!qc_parse_ack_frm(qc, &frm, qel, &rtt_sample, &pos, end)) {
// trace already emitted by function above // trace already emitted by function above
goto leave; goto leave;
} }
if (rtt_sample) { if (rtt_sample != UINT_MAX) {
unsigned int ack_delay; unsigned int ack_delay;
ack_delay = !quic_application_pktns(qel->pktns, qc) ? 0 : ack_delay = !quic_application_pktns(qel->pktns, qc) ? 0 :