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| author | Roman Arutyunyan <arut@nginx.com> | 2025-01-03 11:17:07 +0400 |
|---|---|---|
| committer | Roman Arutyunyan <arutyunyan.roman@gmail.com> | 2025-04-15 19:01:36 +0400 |
| commit | 53e7e9eb542fb1d3d885bbca03ed1d704aa08f31 (patch) | |
| tree | fd47e529f1b60f1e7ccdc3cc4c9c101f4a67a668 /src/event/quic/ngx_event_quic_ack.c | |
| parent | 3a97111adfb6e538ddef1828bbf04a35a8915c1f (diff) | |
| download | nginx-53e7e9eb542fb1d3d885bbca03ed1d704aa08f31.tar.gz nginx-53e7e9eb542fb1d3d885bbca03ed1d704aa08f31.tar.bz2 | |
QUIC: use path MTU in congestion window computations.
As per RFC 9002, Section B.2, max_datagram_size used in congestion window
computations should be based on path MTU.
Diffstat (limited to 'src/event/quic/ngx_event_quic_ack.c')
| -rw-r--r-- | src/event/quic/ngx_event_quic_ack.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/event/quic/ngx_event_quic_ack.c b/src/event/quic/ngx_event_quic_ack.c index 2487ea60d..4616e7053 100644 --- a/src/event/quic/ngx_event_quic_ack.c +++ b/src/event/quic/ngx_event_quic_ack.c @@ -353,7 +353,7 @@ ngx_quic_congestion_ack(ngx_connection_t *c, ngx_quic_frame_t *f) now, cg->window, cg->ssthresh, cg->in_flight); } else { - cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window; + cg->window += (uint64_t) qc->path->mtu * f->plen / cg->window; ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic congestion ack reno t:%M win:%uz if:%uz", @@ -552,7 +552,7 @@ ngx_quic_persistent_congestion(ngx_connection_t *c) now = ngx_current_msec; cg->recovery_start = now; - cg->window = qc->tp.max_udp_payload_size * 2; + cg->window = qc->path->mtu * 2; ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic congestion persistent t:%M win:%uz", now, cg->window); @@ -698,8 +698,8 @@ ngx_quic_congestion_lost(ngx_connection_t *c, ngx_quic_frame_t *f) cg->recovery_start = now; cg->window /= 2; - if (cg->window < qc->tp.max_udp_payload_size * 2) { - cg->window = qc->tp.max_udp_payload_size * 2; + if (cg->window < qc->path->mtu * 2) { + cg->window = qc->path->mtu * 2; } cg->ssthresh = cg->window; |