gre: allow live address change

The GRE tap device supports Ethernet over GRE, but doesn't
care about the source address of the tunnel, therefore it
can be changed without bring device down.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2014-12-27 10:01:42 -08:00 committed by David S. Miller
parent 33f72e6f0c
commit bec94d430f
1 changed files with 1 additions and 0 deletions

View File

@ -673,6 +673,7 @@ static bool ipgre_netlink_encap_parms(struct nlattr *data[],
static int gre_tap_init(struct net_device *dev)
{
__gre_tunnel_init(dev);
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
return ip_tunnel_init(dev);
}