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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 <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2152caea

include/net/ip6_route.h

+8 −0
Original line number Original line Diff line number Diff line
@@ -23,6 +23,7 @@ struct route_info { 
#include <net/sock.h>

#include <net/sock.h>

#include <linux/ip.h>

#include <linux/ip.h>

#include <linux/ipv6.h>

#include <linux/ipv6.h>

#include <linux/route.h>





#define RT6_LOOKUP_F_IFACE		0x00000001

#define RT6_LOOKUP_F_IFACE		0x00000001

#define RT6_LOOKUP_F_REACHABLE		0x00000002

#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));

	       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
 
#endif