[patch 2/2][NETNS][DST] add the network namespace pointer in dst_ops

[Daniel Lezcano <dlezcano@fr.ibm.com>]

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The network namespace pointer can be stored into the dst_ops structure.
This is usefull when there are multiple instances of the dst_ops for a
protocol. When there are no several instances, this field will be never
used in the protocol. So there is no impact for the protocols which do
implement the network namespaces.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
---
 include/net/dst.h |    1 +
 1 file changed, 1 insertion(+)

Index: net-2.6.25-misc/include/net/dst.h
===================================================================
--- net-2.6.25-misc.orig/include/net/dst.h
+++ net-2.6.25-misc/include/net/dst.h
@@ -102,6 +102,7 @@ struct dst_ops
 
 	atomic_t		entries;
 	struct kmem_cache 		*kmem_cachep;
+	struct net              *dst_net;
 };
 
 #ifdef __KERNEL__

--