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diff src/event/quic/ngx_event_quic_ack.c @ 9147:58afcd72446f

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QUIC: path MTU discovery. MTU selection starts by doubling the initial MTU until the first failure. Then binary search is used to find the path MTU.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 14 Aug 2023 09:21:27 +0400
parents 48691bab4474
children c80d111340dc
line wrap: on
line diff
--- a/src/event/quic/ngx_event_quic_ack.c
+++ b/src/event/quic/ngx_event_quic_ack.c
@@ -229,6 +229,12 @@ ngx_quic_handle_ack_frame_range(ngx_conn
 
     qc = ngx_quic_get_connection(c);
 
+    if (ctx->level == ssl_encryption_application) {
+        if (ngx_quic_handle_path_mtu(c, qc->path, min, max) != NGX_OK) {
+            return NGX_ERROR;
+        }
+    }
+
     st->max_pn = NGX_TIMER_INFINITE;
     found = 0;