From: Sergey Kandaurov <pluknet@nginx.com>
Date: Wed, 19 Aug 2020 10:24:47 +0000 (+0300)
Subject: QUIC: do not arm loss detection timer for succeeding packets.
X-Git-Tag: release-1.25.0~4^2~594
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=391abc00c9ead945635f8b9b6a35e50eeb4dc3e2;p=nginx.git

QUIC: do not arm loss detection timer for succeeding packets.
---

diff --git a/src/event/ngx_event_quic.c b/src/event/ngx_event_quic.c
index f0f07bf38..0781bcfb0 100644
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@@ -3781,11 +3781,19 @@ ngx_quic_detect_lost(ngx_connection_t *c)
 
         ctx = &qc->send_ctx[i];
 
+        if (ctx->largest_ack == (uint64_t) -1) {
+            continue;
+        }
+
         while (!ngx_queue_empty(&ctx->sent)) {
 
             q = ngx_queue_head(&ctx->sent);
             start = ngx_queue_data(q, ngx_quic_frame_t, queue);
 
+            if (start->pnum > ctx->largest_ack) {
+                break;
+            }
+
             wait = start->last + thr - now;
 
             ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
@@ -3798,10 +3806,7 @@ ngx_quic_detect_lost(ngx_connection_t *c)
                     min_wait = wait;
                 }
 
-                if ((start->pnum > ctx->largest_ack)
-                     || ctx->largest_ack == (uint64_t) -1
-                     || ((ctx->largest_ack - start->pnum) < NGX_QUIC_PKT_THR))
-                {
+                if (ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR) {
                     break;
                 }
             }