[IPV6] ROUTE: Put SUBTREE() as FIB6_SUBTREE() into ip6_fib.h for future use.

Based on MIPL2 kernel patch.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 9610b887ffb5..6a3f26a04509 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -60,6 +60,11 @@ struct fib6_node
         __u32                   fn_sernum;
 };
 
+#ifndef CONFIG_IPV6_SUBTREES
+#define FIB6_SUBTREE(fn)        NULL
+#else
+#define FIB6_SUBTREE(fn)        ((fn)->subtree)
+#endif
 
 /*
  *      routing information