| Re: [PATCH 10/12] L2 network namespace: playing with pass-through device [message #8978] |
Tue, 12 December 2006 13:59  |
Daniel Lezcano
Messages: 417
Registered: June 2006
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Senior Member |
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Dmitry Mishin wrote:
> Temporary code to debug and play with pass-through device.
> Create device pair by
> modprobe veth
> echo 'add veth1 0:1:2:3:4:1 eth0 0:1:2:3:4:2' >/proc/net/veth_ctl
> and your shell will appear into a new namespace with `eth0' device.
> Configure device in this namespace
> ip l s eth0 up
> ip a a 1.2.3.4/24 dev eth0
> and in the root namespace
> ip l s veth1 up
> ip a a 1.2.3.1/24 dev veth1
> to establish a communication channel between root namespace and the newly
> created one.
>
> Code is done by Andrey Savochkin and ported by me over Cedric'c patchset
>
> Signed-off-by: Dmitry Mishin <dim@openvz.org>
>
[ ... ]
>
> --- linux-2.6.19-rc6-mm2.orig/include/linux/net_namespace.h
> +++ linux-2.6.19-rc6-mm2/include/linux/net_namespace.h
> @@ -24,6 +24,9 @@ struct net_namespace {
> int fib4_trie_last_dflt;
> #endif
> unsigned int hash;
> + struct net_namespace *parent;
> + struct list_head child_list, sibling_list;
> + unsigned int id;
> };
Why do yo need to have a child list and sibling list ?
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