commit 6b75d0908185bf853b188afa6f269426f6554c5b
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Mon Mar 10 06:00:30 2008 -0400
committer YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Tue Mar 25 10:24:00 2008 +0900
tree 85f28296077f3d873bbda249dc0eafcc911164fd
parent 4725474584d6aa2f07b3d47442dfbc4f6544f65e

[IPV6]: Optimize hop-limit determination.

Last part of hop-limit determination is always:
    hoplimit = dst_metric(dst, RTAX_HOPLIMIT);
    if (hoplimit < 0)
        hoplimit = ipv6_get_hoplimit(dst->dev).

Let's consolidate it as ip6_dst_hoplimit(dst).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

include/net/ip6_route.h

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 0e2895c..5c3b67c 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -88,6 +88,8 @@
 					   const struct in6_addr *addr,
 					   int anycast);
 
+extern int			ip6_dst_hoplimit(struct dst_entry *dst);
+
 /*
  *	support functions for ND
  *