network: bump netlink receive buffer size to 128M

Prompted by #14417.

diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index f0ae18499bd52d8a935a03ea3868bec3df66391f..f4e4162cf1213e19e39126a0f9fc9699b5516d0d 100644 (file)
--- 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 113306607bc70fcd524dcf0026145980ff2e7711..445193e8d343bb012893cf8e94fd75b6b9b16d31 100644 (file)
--- 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