net: Allow to create links with given ifindex

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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>

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Pavel Emelyanov 2012-08-08 21:52:46 +00:00 • committed by David S. Miller

parent b14f243a42

commit 9c7dafbfab

2 changed files with 13 additions and 6 deletions

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7

net/core/dev.c

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12

net/core/rtnetlink.c

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