[IPV6]: Flag RTF_ANYCAST for anycast routes. (58c4fb86) · Commits · 戴 / test

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

+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) {