rtnl: increase event socket rx buffer size limit to 1 MiB

Use the same RX buffer size which iproute2 uses as default, in order to
avoid (or rather, delay as much as possible) ENOBUFS conditions when
receiving a large burst of netlink notifications.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/rtnl.c b/lib/rtnl.c
index 448e43e..6d2c819 100644
--- a/lib/rtnl.c
+++ b/lib/rtnl.c
@@ -3671,7 +3671,7 @@ uc_nl_evsock_init(void)
 	fd->cb = uc_nl_listener_cb;
 	uloop_fd_add(fd, ULOOP_READ);
 
-	nl_socket_set_buffer_size(sock, 65535, 0);
+	nl_socket_set_buffer_size(sock, 1024 * 1024, 0);
 	nl_socket_disable_seq_check(sock);
 	nl_socket_modify_cb(sock, NL_CB_VALID, NL_CB_CUSTOM, cb_listener_event, NULL);