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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-17 12:53:48 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-17 18:38:19 -0500
commit9bb5a14813f502b867a45075c88bc1f2b78381df (patch)
treead847b21e5891498947b270a483c78693779d4e1 /include/net/ip6_route.h
parent2152caea719657579daa3a1a57a5425a3db6d612 (diff)
ipv6: Introduce rt6_nexthop() to select nexthop address.
For RTF_GATEWAY route, return rt->rt6i_gateway. Otherwise, return 2nd argument (destination address). This will be used by following patches which remove rt->n dependency patches in ip6_dst_lookup_tail() and ip6_finish_output2(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_route.h')
-rw-r--r--include/net/ip6_route.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 27d83183e61..30cbb15f627 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -23,6 +23,7 @@ struct route_info {
#include <net/sock.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
+#include <linux/route.h>
#define RT6_LOOKUP_F_IFACE 0x00000001
#define RT6_LOOKUP_F_REACHABLE 0x00000002
@@ -194,4 +195,11 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
}
+static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt, struct in6_addr *dest)
+{
+ if (rt->rt6i_flags & RTF_GATEWAY)
+ return &rt->rt6i_gateway;
+ return dest;
+}
+
#endif