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rtnl: add link netns id to interface messages

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This patch adds a new attribute (IFLA_LINK_NETNSID) which contains the 'link'
netns id when this netns is different from the netns where the interface
stands (for example for x-net interfaces like ip tunnels).
With this attribute, it's possible to interpret correctly all advertised
information (like IFLA_LINK, etc.).

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-01-15 15:11:16 +01:00 • committed by David S. Miller
parent 0c7aecd4bd
commit d37512a277
3 changed files with 16 additions and 0 deletions
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include/uapi/linux/if_link.h
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@ -146,6 +146,7 @@ enum {
IFLA_PHYS_PORT_ID,
IFLA_CARRIER_CHANGES,
IFLA_PHYS_SWITCH_ID,
IFLA_LINK_NETNSID,
__IFLA_MAX
};