1/*
2 *	Linux INET6 implementation
3 *
4 *	Authors:
5 *	Pedro Roque		<roque@di.fc.ul.pt>
6 *
7 *	This program is free software; you can redistribute it and/or
8 *      modify it under the terms of the GNU General Public License
9 *      as published by the Free Software Foundation; either version
10 *      2 of the License, or (at your option) any later version.
11 */
12
13#ifndef _LINUX_IPV6_ROUTE_H
14#define _LINUX_IPV6_ROUTE_H
15
16#define RTF_DEFAULT	0x00010000	/* default - learned via ND	*/
17#define RTF_ALLONLINK	0x00020000	/* (deprecated and will be removed)
18					   fallback, no routers on link */
19#define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/
20#define RTF_PREFIX_RT	0x00080000	/* A prefix only route - RA	*/
21#define RTF_ANYCAST	0x00100000	/* Anycast			*/
22
23#define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/
24#define RTF_EXPIRES	0x00400000
25
26#define RTF_ROUTEINFO	0x00800000	/* route information - RA	*/
27
28#define RTF_CACHE	0x01000000	/* cache entry			*/
29#define RTF_FLOW	0x02000000	/* flow significant route	*/
30#define RTF_POLICY	0x04000000	/* policy route			*/
31
32#define RTF_PREF(pref)	((pref) << 27)
33#define RTF_PREF_MASK	0x18000000
34
35#define RTF_LOCAL	0x80000000
36
37#ifdef __KERNEL__
38#define IPV6_EXTRACT_PREF(flag)	(((flag) & RTF_PREF_MASK) >> 27)
39#define IPV6_DECODE_PREF(pref)	((pref) ^ 2)	/* 1:low,2:med,3:high */
40#endif
41
42struct in6_rtmsg {
43	struct in6_addr		rtmsg_dst;
44	struct in6_addr		rtmsg_src;
45	struct in6_addr		rtmsg_gateway;
46	__u32			rtmsg_type;
47	__u16			rtmsg_dst_len;
48	__u16			rtmsg_src_len;
49	__u32			rtmsg_metric;
50	unsigned long		rtmsg_info;
51        __u32			rtmsg_flags;
52	int			rtmsg_ifindex;
53};
54
55#define RTMSG_NEWDEVICE		0x11
56#define RTMSG_DELDEVICE		0x12
57#define RTMSG_NEWROUTE		0x21
58#define RTMSG_DELROUTE		0x22
59
60#endif
61