linux-headers (unknown)
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 _LINUX_IPV6_ROUTE_H
15 #define _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 /* _LINUX_IPV6_ROUTE_H */
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