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authorGuillaume Nault <g.nault@alphalink.fr>2017-04-24 14:16:06 +0200
committerDavid S. Miller <davem@davemloft.net>2017-04-25 11:41:56 -0400
commitc39855febc0e7332db389fd4017ab163589b1b20 (patch)
tree1c6102b6036e6b416f06203c6d404babd8bdaebb /net/l2tp
parente0ee84ded79623ac063a4e817367d61ab7650b6c (diff)
downloadlinux-c39855febc0e7332db389fd4017ab163589b1b20.tar.bz2
l2tp: set name_assign_type for devices created by l2tp_eth.c
Export naming scheme used when creating l2tpeth interfaces (/sys/class/net/<iface>/name_assign_type). This let userspace know if the device's name has been generated automatically or defined manually. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Acked-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_eth.c8
1 files 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;