From 48d0248e6df3b1924392f07ceaca7b2919274391 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 26 Dec 2019 15:29:26 +0900
Subject: [PATCH] network: bump netlink receive buffer size to 128M

Prompted by #14417.
---
 src/network/networkd-manager.c | 4 ++--
 units/systemd-networkd.socket  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index f0ae18499b..f4e4162cf1 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -38,8 +38,8 @@
 #include "udev-util.h"
 #include "virt.h"
 
-/* use 8 MB for receive socket kernel queue. */
-#define RCVBUF_SIZE    (8*1024*1024)
+/* use 128 MB for receive socket kernel queue. */
+#define RCVBUF_SIZE    (128*1024*1024)
 
 static int log_message_warning_errno(sd_netlink_message *m, int err, const char *msg) {
         const char *err_msg = NULL;
diff --git a/units/systemd-networkd.socket b/units/systemd-networkd.socket
index 113306607b..445193e8d3 100644
--- a/units/systemd-networkd.socket
+++ b/units/systemd-networkd.socket
@@ -15,7 +15,7 @@ DefaultDependencies=no
 Before=sockets.target
 
 [Socket]
-ReceiveBuffer=8M
+ReceiveBuffer=128M
 ListenNetlink=route 1361
 PassCredentials=yes