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