From a20ef0376b223b64dcc4ad41c5df4e220cbc4565 Mon Sep 17 00:00:00 2001
From: Andrew Mayorov <encube.ul@gmail.com>
Date: Tue, 19 Dec 2023 13:01:06 +0100
Subject: [PATCH] test(exproto): fix too small buffer size for listener

These options have not been picked up by the listener before esockd
5.11.0, so it was not apparent that they are not working.
---
 apps/emqx_gateway_exproto/test/emqx_exproto_SUITE.erl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/apps/emqx_gateway_exproto/test/emqx_exproto_SUITE.erl b/apps/emqx_gateway_exproto/test/emqx_exproto_SUITE.erl
index 76e11ef00..74a488abb 100644
--- a/apps/emqx_gateway_exproto/test/emqx_exproto_SUITE.erl
+++ b/apps/emqx_gateway_exproto/test/emqx_exproto_SUITE.erl
@@ -663,9 +663,11 @@ tcp_opts() ->
 
 udp_opts() ->
     #{
-        recbuf => 1024,
-        sndbuf => 1024,
-        buffer => 1024,
+        %% NOTE
+        %% Making those too small will lead to inability to accept connections.
+        recbuf => 2048,
+        sndbuf => 2048,
+        buffer => 2048,
         reuseaddr => true
     }.