From c39855febc0e7332db389fd4017ab163589b1b20 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Mon, 24 Apr 2017 14:16:06 +0200 Subject: [PATCH] l2tp: set name_assign_type for devices created by l2tp_eth.c Export naming scheme used when creating l2tpeth interfaces (/sys/class/net//name_assign_type). This let userspace know if the device's name has been generated automatically or defined manually. Signed-off-by: Guillaume Nault Acked-by: James Chapman Signed-off-by: David S. Miller --- net/l2tp/l2tp_eth.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index b722d559c544..5e44b3cc1212 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -258,6 +258,7 @@ static void l2tp_eth_adjust_mtu(struct l2tp_tunnel *tunnel, static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg) { + unsigned char name_assign_type; struct net_device *dev; char name[IFNAMSIZ]; struct l2tp_tunnel *tunnel; @@ -281,8 +282,11 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p goto out; } strlcpy(name, cfg->ifname, IFNAMSIZ); - } else + name_assign_type = NET_NAME_USER; + } else { strcpy(name, L2TP_ETH_DEV_NAME); + name_assign_type = NET_NAME_ENUM; + } session = l2tp_session_create(sizeof(*spriv), tunnel, session_id, peer_session_id, cfg); @@ -291,7 +295,7 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p goto out; } - dev = alloc_netdev(sizeof(*priv), name, NET_NAME_UNKNOWN, + dev = alloc_netdev(sizeof(*priv), name, name_assign_type, l2tp_eth_dev_setup); if (!dev) { rc = -ENOMEM; -- 2.20.1