net: Allow to create links with given ifindex
authorPavel Emelyanov <xemul@parallels.com>
Wed, 8 Aug 2012 21:52:46 +0000 (21:52 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 9 Aug 2012 23:18:06 +0000 (16:18 -0700)
commit9c7dafbfab1554705f85523fead578aa1a3d338c
tree462dc2a2b854b3c7ad80a351a0ef780b790bc109
parentb14f243a42c7aa43de71f878641acd003f223022
net: Allow to create links with given ifindex

Currently the RTM_NEWLINK results in -EOPNOTSUPP if the ifinfomsg->ifi_index
is not zero. I propose to allow requesting ifindices on link creation. This
is required by the checkpoint-restore to correctly restore a net namespace
(i.e. -- a container).

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c
net/core/rtnetlink.c