From: Rafael Zalamena <rzalamena@opensourcerouting.org>
Date: Fri, 20 Oct 2017 21:29:07 +0000 (-0200)
Subject: bgpd: bump listen() backlog
X-Git-Tag: frr-4.0-dev~199^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=48522088d99f41c8353e580b15246371617e6f8c;p=matthieu%2Ffrr.git

bgpd: bump listen() backlog

Handle better stress situations when multiple peers are trying to
connect at the same time by bumping the TCP connection backlog limit.

This reduces the convergence time of BGPerf stress test.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
---

diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c
index 70299ea456..101e0e62bb 100644
--- a/bgpd/bgp_network.c
+++ b/bgpd/bgp_network.c
@@ -675,7 +675,7 @@ static int bgp_listener(int sock, struct sockaddr *sa, socklen_t salen)
 		return ret;
 	}
 
-	ret = listen(sock, 3);
+	ret = listen(sock, SOMAXCONN);
 	if (ret < 0) {
 		zlog_err("listen: %s", safe_strerror(errno));
 		return ret;