Commit 9bb5a148 authored by YOSHIFUJI Hideaki / 吉藤英明's avatar YOSHIFUJI Hideaki / 吉藤英明 Committed by David S. Miller
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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: default avatarYOSHIFUJI Hideaki <>
Signed-off-by: default avatarDavid S. Miller <>
parent 2152caea
......@@ -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;
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