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[IPV6]: Flag RTF_ANYCAST for anycast routes.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2005-12-21 22:56:42 +09:00
parent bb44f116a1
commit 58c4fb86ea
2 changed files with 10 additions and 4 deletions
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1
include/linux/ipv6_route.h
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@ -18,6 +18,7 @@
fallback, no routers on link */ fallback, no routers on link */
#define RTF_ADDRCONF 0x00040000 /* addrconf route - RA */ #define RTF_ADDRCONF 0x00040000 /* addrconf route - RA */
#define RTF_PREFIX_RT 0x00080000 /* A prefix only 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_NONEXTHOP 0x00200000 /* route with no nexthop */
#define RTF_EXPIRES 0x00400000 #define RTF_EXPIRES 0x00400000

13
net/ipv6/route.c
View File

@ -413,11 +413,14 @@ static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
rt = ip6_rt_copy(ort); rt = ip6_rt_copy(ort);
if (rt) { if (rt) {
ipv6_addr_copy(&rt->rt6i_dst.addr, daddr); if (!(rt->rt6i_flags&RTF_GATEWAY)) {
if (rt->rt6i_dst.plen != 128 &&
if (!(rt->rt6i_flags&RTF_GATEWAY)) 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_gateway, daddr);
}
ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128; rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE; rt->rt6i_flags |= RTF_CACHE;
rt->u.dst.flags |= DST_HOST; 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->u.dst.obsolete = -1;
rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP; rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
if (!anycast) if (anycast)
rt->rt6i_flags |= RTF_ANYCAST;
else
rt->rt6i_flags |= RTF_LOCAL; rt->rt6i_flags |= RTF_LOCAL;
rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
if (rt->rt6i_nexthop == NULL) { if (rt->rt6i_nexthop == NULL) {