1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/*
29 * Common defines for all parts of the NETLINK_ROUTE family
30 */
31#ifndef _NETLINK_ROUTE_COMMON_H_
32#define _NETLINK_ROUTE_COMMON_H_
33
34/* Defined NETLINK_ROUTE messages */
35enum {
36 NL_RTM_BASE = 16,
37 NL_RTM_NEWLINK = 16, /* creates new interface */
38 NL_RTM_DELLINK = 17, /* deletes matching interface */
39 NL_RTM_GETLINK = 18, /* lists matching interfaces */
40 NL_RTM_SETLINK = 19, /* not supported */
41 NL_RTM_NEWADDR = 20, /* not supported */
42 NL_RTM_DELADDR = 21, /* not supported */
43 NL_RTM_GETADDR = 22, /* lists matching ifaddrs */
44 NL_RTM_NEWROUTE = 24, /* adds or changes a route */
45 NL_RTM_DELROUTE = 25, /* deletes matching route */
46 NL_RTM_GETROUTE = 26, /* lists matching routes */
47 NL_RTM_NEWNEIGH = 28, /* creates new arp/ndp entry */
48 NL_RTM_DELNEIGH = 29, /* deletes matching arp/ndp entry */
49 NL_RTM_GETNEIGH = 30, /* lists matching arp/ndp entry */
50 NL_RTM_NEWRULE = 32, /* not supported */
51 NL_RTM_DELRULE = 33, /* not supported */
52 NL_RTM_GETRULE = 34, /* not supported */
53 NL_RTM_NEWQDISC = 36, /* not supported */
54 NL_RTM_DELQDISC = 37, /* not supported */
55 NL_RTM_GETQDISC = 38, /* not supported */
56 NL_RTM_NEWTCLASS = 40, /* not supported */
57 NL_RTM_DELTCLASS = 41, /* not supported */
58 NL_RTM_GETTCLASS = 42, /* not supported */
59 NL_RTM_NEWTFILTER = 44, /* not supported */
60 NL_RTM_DELTFILTER = 45, /* not supported */
61 NL_RTM_GETTFILTER = 46, /* not supported */
62 NL_RTM_NEWACTION = 48, /* not supported */
63 NL_RTM_DELACTION = 49, /* not supported */
64 NL_RTM_GETACTION = 50, /* not supported */
65 NL_RTM_NEWPREFIX = 52, /* not supported */
66 NL_RTM_GETMULTICAST = 58, /* not supported */
67 NL_RTM_GETANYCAST = 62, /* not supported */
68 NL_RTM_NEWNEIGHTBL = 64, /* not supported */
69 NL_RTM_GETNEIGHTBL = 66, /* not supported */
70 NL_RTM_SETNEIGHTBL = 67, /* not supported */
71 NL_RTM_NEWNDUSEROPT = 68, /* not supported */
72 NL_RTM_NEWADDRLABEL = 72, /* not supported */
73 NL_RTM_DELADDRLABEL = 73, /* not supported */
74 NL_RTM_GETADDRLABEL = 74, /* not supported */
75 NL_RTM_GETDCB = 78, /* not supported */
76 NL_RTM_SETDCB = 79, /* not supported */
77 NL_RTM_NEWNETCONF = 80, /* not supported */
78 NL_RTM_GETNETCONF = 82, /* not supported */
79 NL_RTM_NEWMDB = 84, /* not supported */
80 NL_RTM_DELMDB = 85, /* not supported */
81 NL_RTM_GETMDB = 86, /* not supported */
82 NL_RTM_NEWNSID = 88, /* not supported */
83 NL_RTM_DELNSID = 89, /* not supported */
84 NL_RTM_GETNSID = 90, /* not supported */
85 NL_RTM_NEWSTATS = 92, /* not supported */
86 NL_RTM_GETSTATS = 94, /* not supported */
87 NL_RTM_NEWNEXTHOP = 104, /* creates new user nexhtop */
88 NL_RTM_DELNEXTHOP = 105, /* deletes matching nexthop */
89 NL_RTM_GETNEXTHOP = 106, /* lists created user nexthops */
90 __NL_RTM_MAX,
91};
92#define NL_RTM_MAX (((__NL_RTM_MAX + 3) & ~3) - 1)
93
94#ifndef _KERNEL
95/*
96 * RTM_* namespace clashes with BSD rtsock namespace.
97 * Use NL_RTM_ prefix in the kernel and map it to RTM_
98 * for userland.
99 */
100#define RTM_BASE NL_RTM_BASE
101#define RTM_NEWLINK NL_RTM_NEWLINK
102#define RTM_DELLINK NL_RTM_DELLINK
103#define RTM_GETLINK NL_RTM_GETLINK
104#define RTM_SETLINK NL_RTM_SETLINK
105#define RTM_NEWADDR NL_RTM_NEWADDR
106#define RTM_DELADDR NL_RTM_DELADDR
107#define RTM_GETADDR NL_RTM_GETADDR
108#define RTM_NEWROUTE NL_RTM_NEWROUTE
109#define RTM_DELROUTE NL_RTM_DELROUTE
110#define RTM_GETROUTE NL_RTM_GETROUTE
111#define RTM_NEWNEIGH NL_RTM_NEWNEIGH
112#define RTM_DELNEIGH NL_RTM_DELNEIGH
113#define RTM_GETNEIGH NL_RTM_GETNEIGH
114#define RTM_NEWRULE NL_RTM_NEWRULE
115#define RTM_DELRULE NL_RTM_DELRULE
116#define RTM_GETRULE NL_RTM_GETRULE
117#define RTM_NEWQDISC NL_RTM_NEWQDISC
118#define RTM_DELQDISC NL_RTM_DELQDISC
119#define RTM_GETQDISC NL_RTM_GETQDISC
120#define RTM_NEWTCLASS NL_RTM_NEWTCLASS
121#define RTM_DELTCLASS NL_RTM_DELTCLASS
122#define RTM_GETTCLASS NL_RTM_GETTCLASS
123#define RTM_NEWTFILTER NL_RTM_NEWTFILTER
124#define RTM_DELTFILTER NL_RTM_DELTFILTER
125#define RTM_GETTFILTER NL_RTM_GETTFILTER
126#define RTM_NEWACTION NL_RTM_NEWACTION
127#define RTM_DELACTION NL_RTM_DELACTION
128#define RTM_GETACTION NL_RTM_GETACTION
129#define RTM_NEWPREFIX NL_RTM_NEWPREFIX
130#define RTM_GETMULTICAST NL_RTM_GETMULTICAST
131#define RTM_GETANYCAST NL_RTM_GETANYCAST
132#define RTM_NEWNEIGHTBL NL_RTM_NEWNEIGHTBL
133#define RTM_GETNEIGHTBL NL_RTM_GETNEIGHTBL
134#define RTM_SETNEIGHTBL NL_RTM_SETNEIGHTBL
135#define RTM_NEWNDUSEROPT NL_RTM_NEWNDUSEROPT
136#define RTM_NEWADDRLABEL NL_RTM_NEWADDRLABEL
137#define RTM_DELADDRLABEL NL_RTM_DELADDRLABEL
138#define RTM_GETADDRLABEL NL_RTM_GETADDRLABEL
139#define RTM_GETDCB NL_RTM_GETDCB
140#define RTM_SETDCB NL_RTM_SETDCB
141#define RTM_NEWNETCONF NL_RTM_NEWNETCONF
142#define RTM_GETNETCONF NL_RTM_GETNETCONF
143#define RTM_NEWMDB NL_RTM_NEWMDB
144#define RTM_DELMDB NL_RTM_DELMDB
145#define RTM_GETMDB NL_RTM_GETMDB
146#define RTM_NEWNSID NL_RTM_NEWNSID
147#define RTM_DELNSID NL_RTM_DELNSID
148#define RTM_GETNSID NL_RTM_GETNSID
149#define RTM_NEWSTATS NL_RTM_NEWSTATS
150#define RTM_GETSTATS NL_RTM_GETSTATS
151#define RTM_NEWNEXTHOP NL_RTM_NEWNEXTHOP
152#define RTM_DELNEXTHOP NL_RTM_DELNEXTHOP
153#define RTM_GETNEXTHOP NL_RTM_GETNEXTHOP
154#define __RTM_MAX __NL_RTM_MAX
155
156#define RTM_MAX (roundup2(__RTM_MAX, 4))
157
158/* rtnetlink multicast groups - backwards compatibility for userspace */
159#define RTMGRP_LINK 0x01
160#define RTMGRP_NOTIFY 0x02
161#define RTMGRP_NEIGH 0x04
162#define RTMGRP_TC 0x08
163
164#define RTMGRP_IPV4_IFADDR 0x10
165#define RTMGRP_IPV4_MROUTE 0x20
166#define RTMGRP_IPV4_ROUTE 0x40
167#define RTMGRP_IPV4_RULE 0x80
168
169#define RTMGRP_IPV6_IFADDR 0x100
170#define RTMGRP_IPV6_MROUTE 0x200
171#define RTMGRP_IPV6_ROUTE 0x400
172#define RTMGRP_IPV6_IFINFO 0x800
173
174#define RTMGRP_DECnet_IFADDR 0x1000
175#define RTMGRP_DECnet_ROUTE 0x4000
176
177#define RTMGRP_IPV6_PREFIX 0x20000
178#endif
179
180/* Defined NETLINK_ROUTE multicast groups */
181enum rtnetlink_groups {
182 RTNLGRP_NONE,
183#define RTNLGRP_NONE RTNLGRP_NONE
184 RTNLGRP_LINK,
185#define RTNLGRP_LINK RTNLGRP_LINK
186 RTNLGRP_NOTIFY,
187#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
188 RTNLGRP_NEIGH,
189#define RTNLGRP_NEIGH RTNLGRP_NEIGH
190 RTNLGRP_TC,
191#define RTNLGRP_TC RTNLGRP_TC
192 RTNLGRP_IPV4_IFADDR,
193#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
194 RTNLGRP_IPV4_MROUTE,
195#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
196 RTNLGRP_IPV4_ROUTE,
197#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
198 RTNLGRP_IPV4_RULE,
199#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
200 RTNLGRP_IPV6_IFADDR,
201#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
202 RTNLGRP_IPV6_MROUTE,
203#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
204 RTNLGRP_IPV6_ROUTE,
205#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
206 RTNLGRP_IPV6_IFINFO,
207#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
208 RTNLGRP_DECnet_IFADDR,
209#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
210 RTNLGRP_NOP2,
211 RTNLGRP_DECnet_ROUTE,
212#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
213 RTNLGRP_DECnet_RULE,
214#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
215 RTNLGRP_NOP4,
216 RTNLGRP_IPV6_PREFIX,
217#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
218 RTNLGRP_IPV6_RULE,
219#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
220 RTNLGRP_ND_USEROPT,
221#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
222 RTNLGRP_PHONET_IFADDR,
223#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
224 RTNLGRP_PHONET_ROUTE,
225#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
226 RTNLGRP_DCB,
227#define RTNLGRP_DCB RTNLGRP_DCB
228 RTNLGRP_IPV4_NETCONF,
229#define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF
230 RTNLGRP_IPV6_NETCONF,
231#define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF
232 RTNLGRP_MDB,
233#define RTNLGRP_MDB RTNLGRP_MDB
234 RTNLGRP_MPLS_ROUTE,
235#define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE
236 RTNLGRP_NSID,
237#define RTNLGRP_NSID RTNLGRP_NSID
238 RTNLGRP_MPLS_NETCONF,
239#define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF
240 RTNLGRP_IPV4_MROUTE_R,
241#define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R
242 RTNLGRP_IPV6_MROUTE_R,
243#define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R
244 RTNLGRP_NEXTHOP,
245#define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP
246 RTNLGRP_BRVLAN,
247#define RTNLGRP_BRVLAN RTNLGRP_BRVLAN
248 __RTNLGRP_MAX
249};
250#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
251
252
253/* Defined NETLINK_ROUTE virtual multicast address families */
254#define RTNL_FAMILY_IPMR 128 /* Not supported */
255#define RTNL_FAMILY_IP6MR 129 /* Not supported */
256#define RTNL_FAMILY_MAX 129
257
258#endif