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vxlan: advertise netns of vxlan dev in fdb msg

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Netlink FDB messages are sent in the link netns. The header of these messages
contains the ifindex (ndm_ifindex) of the netdevice, but this ifindex is
unusable in case of x-netns vxlan.
I named the new attribute NDA_NDM_IFINDEX_NETNSID, to avoid confusion with
NDA_IFINDEX.

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
2015-01-20 15:15:47 +01:00
committed by David S. Miller
parent e5f4e7b9ff
commit 193523bf93
3 changed files with 7 additions and 0 deletions
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net/core/net_namespace.c
+1
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@@ -202,6 +202,7 @@ int peernet2id(struct net *net, struct net *peer)
return id >= 0 ? id : NETNSA_NSID_NOT_ASSIGNED;
}
EXPORT_SYMBOL(peernet2id);
struct net *get_net_ns_by_id(struct net *net, int id)
{