diff options
| -rw-r--r-- | include/linux/ipv6_route.h | 1 | ||||
| -rw-r--r-- | net/ipv6/route.c | 13 |
2 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/ipv6_route.h b/include/linux/ipv6_route.h index e2f935038013..d7c41d1d706a 100644 --- a/include/linux/ipv6_route.h +++ b/include/linux/ipv6_route.h @@ -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 diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 7c68bfbee361..66140f13d119 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -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) { |