xref: /linux/include/uapi/linux/ipv6_route.h (revision e2be04c7)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  *	Linux INET6 implementation
4  *
5  *	Authors:
6  *	Pedro Roque		<roque@di.fc.ul.pt>
7  *
8  *	This program is free software; you can redistribute it and/or
9  *      modify it under the terms of the GNU General Public License
10  *      as published by the Free Software Foundation; either version
11  *      2 of the License, or (at your option) any later version.
12  */
13 
14 #ifndef _UAPI_LINUX_IPV6_ROUTE_H
15 #define _UAPI_LINUX_IPV6_ROUTE_H
16 
17 #include <linux/types.h>
18 #include <linux/in6.h>			/* For struct in6_addr. */
19 
20 #define RTF_DEFAULT	0x00010000	/* default - learned via ND	*/
21 #define RTF_ALLONLINK	0x00020000	/* (deprecated and will be removed)
22 					   fallback, no routers on link */
23 #define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/
24 #define RTF_PREFIX_RT	0x00080000	/* A prefix only route - RA	*/
25 #define RTF_ANYCAST	0x00100000	/* Anycast			*/
26 
27 #define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/
28 #define RTF_EXPIRES	0x00400000
29 
30 #define RTF_ROUTEINFO	0x00800000	/* route information - RA	*/
31 
32 #define RTF_CACHE	0x01000000	/* read-only: can not be set by user */
33 #define RTF_FLOW	0x02000000	/* flow significant route	*/
34 #define RTF_POLICY	0x04000000	/* policy route			*/
35 
36 #define RTF_PREF(pref)	((pref) << 27)
37 #define RTF_PREF_MASK	0x18000000
38 
39 #define RTF_PCPU	0x40000000	/* read-only: can not be set by user */
40 #define RTF_LOCAL	0x80000000
41 
42 
43 struct in6_rtmsg {
44 	struct in6_addr		rtmsg_dst;
45 	struct in6_addr		rtmsg_src;
46 	struct in6_addr		rtmsg_gateway;
47 	__u32			rtmsg_type;
48 	__u16			rtmsg_dst_len;
49 	__u16			rtmsg_src_len;
50 	__u32			rtmsg_metric;
51 	unsigned long		rtmsg_info;
52         __u32			rtmsg_flags;
53 	int			rtmsg_ifindex;
54 };
55 
56 #define RTMSG_NEWDEVICE		0x11
57 #define RTMSG_DELDEVICE		0x12
58 #define RTMSG_NEWROUTE		0x21
59 #define RTMSG_DELROUTE		0x22
60 
61 #define IP6_RT_PRIO_USER	1024
62 #define IP6_RT_PRIO_ADDRCONF	256
63 
64 #endif /* _UAPI_LINUX_IPV6_ROUTE_H */
65