diff options
Diffstat (limited to 'src/event/quic/ngx_event_quic_ack.c')
| -rw-r--r-- | src/event/quic/ngx_event_quic_ack.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/event/quic/ngx_event_quic_ack.c b/src/event/quic/ngx_event_quic_ack.c index 368e868d8..c4e924c8e 100644 --- a/src/event/quic/ngx_event_quic_ack.c +++ b/src/event/quic/ngx_event_quic_ack.c @@ -12,13 +12,13 @@ #define NGX_QUIC_MAX_ACK_GAP 2 -/* quic-recovery, section 6.1.1, Packet Threshold */ +/* RFC 9002, 6.1.1. Packet Threshold: kPacketThreshold */ #define NGX_QUIC_PKT_THR 3 /* packets */ -/* quic-recovery, section 6.1.2, Time Threshold */ +/* RFC 9002, 6.1.2. Time Threshold: kTimeThreshold, kGranularity */ #define NGX_QUIC_TIME_THR 1.125 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ -/* quic-recovery, section 7.6.1 Persistent congestion duration */ +/* RFC 9002, 7.6.1. Duration: kPersistentCongestionThreshold */ #define NGX_QUIC_PERSISTENT_CONGESTION_THR 3 #define ngx_quic_lost_threshold(qc) \ @@ -73,9 +73,10 @@ ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, ack = &f->u.ack; /* + * RFC 9000, 19.3.1. ACK Ranges + * * If any computed packet number is negative, an endpoint MUST * generate a connection error of type FRAME_ENCODING_ERROR. - * (19.3.1) */ if (ack->first_range > ack->largest) { @@ -97,13 +98,15 @@ ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, return NGX_ERROR; } - /* 13.2.3. Receiver Tracking of ACK Frames */ + /* RFC 9000, 13.2.4. Limiting Ranges by Tracking ACK Frames */ if (ctx->largest_ack < max || ctx->largest_ack == NGX_QUIC_UNSET_PN) { ctx->largest_ack = max; ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic updated largest received ack:%uL", max); /* + * RFC 9002, 5.1. Generating RTT Samples + * * An endpoint generates an RTT sample on receiving an * ACK frame that meets the following two conditions: * @@ -470,7 +473,7 @@ ngx_quic_detect_lost(ngx_connection_t *c, ngx_quic_ack_stat_t *st) } - /* Establishing Persistent Congestion (7.6.2) */ + /* RFC 9002, 7.6.2. Establishing Persistent Congestion */ /* * Once acknowledged, packets are no longer tracked. Thus no send time @@ -757,7 +760,7 @@ ngx_quic_pto(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx) qc = ngx_quic_get_connection(c); - /* PTO calculation: quic-recovery, Appendix 8 */ + /* RFC 9002, Appendix A.8. Setting the Loss Detection Timer */ duration = qc->avg_rtt; duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY); |