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Commit 58c4fb86 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki
Browse files

[IPV6]: Flag RTF_ANYCAST for anycast routes. 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
parent bb44f116

include/linux/ipv6_route.h

+1 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
					   fallback, no routers on link */

#define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/

#define RTF_PREFIX_RT	0x00080000	/* A prefix only route - RA	*/

#define RTF_ANYCAST	0x00100000	/* Anycast			*/



#define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/

#define RTF_EXPIRES	0x00400000

net/ipv6/route.c

+9 −4
Original line number Diff line number Diff line
@@ -413,11 +413,14 @@ static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr, 
	rt = ip6_rt_copy(ort);



	if (rt) {

		ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);



		if (!(rt->rt6i_flags&RTF_GATEWAY))

		if (!(rt->rt6i_flags&RTF_GATEWAY)) {

			if (rt->rt6i_dst.plen != 128 &&

			    ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))

				rt->rt6i_flags |= RTF_ANYCAST;

			ipv6_addr_copy(&rt->rt6i_gateway, daddr);

		}



		ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);

		rt->rt6i_dst.plen = 128;

		rt->rt6i_flags |= RTF_CACHE;

		rt->u.dst.flags |= DST_HOST;
@@ -1413,7 +1416,9 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, 
	rt->u.dst.obsolete = -1;



	rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;

	if (!anycast)

	if (anycast)

		rt->rt6i_flags |= RTF_ANYCAST;

	else

		rt->rt6i_flags |= RTF_LOCAL;

	rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);

	if (rt->rt6i_nexthop == NULL) {