1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_RTNETLINK_H
3#define __LINUX_RTNETLINK_H
4
5#include <linux/types.h>
6#include <linux/netlink.h>
7#include <linux/if_link.h>
8#include <linux/if_addr.h>
9#include <linux/neighbour.h>
10
11/* rtnetlink families. Values up to 127 are reserved for real address
12 * families, values above 128 may be used arbitrarily.
13 */
14#define RTNL_FAMILY_IPMR 128
15#define RTNL_FAMILY_IP6MR 129
16#define RTNL_FAMILY_MAX 129
17
18/****
19 * Routing/neighbour discovery messages.
20 ****/
21
22/* Types of messages */
23
24enum {
25 RTM_BASE = 16,
26#define RTM_BASE RTM_BASE
27
28 RTM_NEWLINK = 16,
29#define RTM_NEWLINK RTM_NEWLINK
30 RTM_DELLINK,
31#define RTM_DELLINK RTM_DELLINK
32 RTM_GETLINK,
33#define RTM_GETLINK RTM_GETLINK
34 RTM_SETLINK,
35#define RTM_SETLINK RTM_SETLINK
36
37 RTM_NEWADDR = 20,
38#define RTM_NEWADDR RTM_NEWADDR
39 RTM_DELADDR,
40#define RTM_DELADDR RTM_DELADDR
41 RTM_GETADDR,
42#define RTM_GETADDR RTM_GETADDR
43
44 RTM_NEWROUTE = 24,
45#define RTM_NEWROUTE RTM_NEWROUTE
46 RTM_DELROUTE,
47#define RTM_DELROUTE RTM_DELROUTE
48 RTM_GETROUTE,
49#define RTM_GETROUTE RTM_GETROUTE
50
51 RTM_NEWNEIGH = 28,
52#define RTM_NEWNEIGH RTM_NEWNEIGH
53 RTM_DELNEIGH,
54#define RTM_DELNEIGH RTM_DELNEIGH
55 RTM_GETNEIGH,
56#define RTM_GETNEIGH RTM_GETNEIGH
57
58 RTM_NEWRULE = 32,
59#define RTM_NEWRULE RTM_NEWRULE
60 RTM_DELRULE,
61#define RTM_DELRULE RTM_DELRULE
62 RTM_GETRULE,
63#define RTM_GETRULE RTM_GETRULE
64
65 RTM_NEWQDISC = 36,
66#define RTM_NEWQDISC RTM_NEWQDISC
67 RTM_DELQDISC,
68#define RTM_DELQDISC RTM_DELQDISC
69 RTM_GETQDISC,
70#define RTM_GETQDISC RTM_GETQDISC
71
72 RTM_NEWTCLASS = 40,
73#define RTM_NEWTCLASS RTM_NEWTCLASS
74 RTM_DELTCLASS,
75#define RTM_DELTCLASS RTM_DELTCLASS
76 RTM_GETTCLASS,
77#define RTM_GETTCLASS RTM_GETTCLASS
78
79 RTM_NEWTFILTER = 44,
80#define RTM_NEWTFILTER RTM_NEWTFILTER
81 RTM_DELTFILTER,
82#define RTM_DELTFILTER RTM_DELTFILTER
83 RTM_GETTFILTER,
84#define RTM_GETTFILTER RTM_GETTFILTER
85
86 RTM_NEWACTION = 48,
87#define RTM_NEWACTION RTM_NEWACTION
88 RTM_DELACTION,
89#define RTM_DELACTION RTM_DELACTION
90 RTM_GETACTION,
91#define RTM_GETACTION RTM_GETACTION
92
93 RTM_NEWPREFIX = 52,
94#define RTM_NEWPREFIX RTM_NEWPREFIX
95
96 RTM_GETMULTICAST = 58,
97#define RTM_GETMULTICAST RTM_GETMULTICAST
98
99 RTM_GETANYCAST = 62,
100#define RTM_GETANYCAST RTM_GETANYCAST
101
102 RTM_NEWNEIGHTBL = 64,
103#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL
104 RTM_GETNEIGHTBL = 66,
105#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL
106 RTM_SETNEIGHTBL,
107#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL
108
109 RTM_NEWNDUSEROPT = 68,
110#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
111
112 RTM_NEWADDRLABEL = 72,
113#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
114 RTM_DELADDRLABEL,
115#define RTM_DELADDRLABEL RTM_DELADDRLABEL
116 RTM_GETADDRLABEL,
117#define RTM_GETADDRLABEL RTM_GETADDRLABEL
118
119 RTM_GETDCB = 78,
120#define RTM_GETDCB RTM_GETDCB
121 RTM_SETDCB,
122#define RTM_SETDCB RTM_SETDCB
123
124 RTM_NEWNETCONF = 80,
125#define RTM_NEWNETCONF RTM_NEWNETCONF
126 RTM_DELNETCONF,
127#define RTM_DELNETCONF RTM_DELNETCONF
128 RTM_GETNETCONF = 82,
129#define RTM_GETNETCONF RTM_GETNETCONF
130
131 RTM_NEWMDB = 84,
132#define RTM_NEWMDB RTM_NEWMDB
133 RTM_DELMDB = 85,
134#define RTM_DELMDB RTM_DELMDB
135 RTM_GETMDB = 86,
136#define RTM_GETMDB RTM_GETMDB
137
138 RTM_NEWNSID = 88,
139#define RTM_NEWNSID RTM_NEWNSID
140 RTM_DELNSID = 89,
141#define RTM_DELNSID RTM_DELNSID
142 RTM_GETNSID = 90,
143#define RTM_GETNSID RTM_GETNSID
144
145 RTM_NEWSTATS = 92,
146#define RTM_NEWSTATS RTM_NEWSTATS
147 RTM_GETSTATS = 94,
148#define RTM_GETSTATS RTM_GETSTATS
149
150 RTM_NEWCACHEREPORT = 96,
151#define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT
152
153 RTM_NEWCHAIN = 100,
154#define RTM_NEWCHAIN RTM_NEWCHAIN
155 RTM_DELCHAIN,
156#define RTM_DELCHAIN RTM_DELCHAIN
157 RTM_GETCHAIN,
158#define RTM_GETCHAIN RTM_GETCHAIN
159
160 RTM_NEWNEXTHOP = 104,
161#define RTM_NEWNEXTHOP RTM_NEWNEXTHOP
162 RTM_DELNEXTHOP,
163#define RTM_DELNEXTHOP RTM_DELNEXTHOP
164 RTM_GETNEXTHOP,
165#define RTM_GETNEXTHOP RTM_GETNEXTHOP
166
167 RTM_NEWLINKPROP = 108,
168#define RTM_NEWLINKPROP RTM_NEWLINKPROP
169 RTM_DELLINKPROP,
170#define RTM_DELLINKPROP RTM_DELLINKPROP
171 RTM_GETLINKPROP,
172#define RTM_GETLINKPROP RTM_GETLINKPROP
173
174 RTM_NEWVLAN = 112,
175#define RTM_NEWNVLAN RTM_NEWVLAN
176 RTM_DELVLAN,
177#define RTM_DELVLAN RTM_DELVLAN
178 RTM_GETVLAN,
179#define RTM_GETVLAN RTM_GETVLAN
180
181 __RTM_MAX,
182#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1)
183};
184
185#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
186#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
187#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2)
188
189/*
190 Generic structure for encapsulation of optional route information.
191 It is reminiscent of sockaddr, but with sa_family replaced
192 with attribute type.
193 */
194
195struct rtattr {
196 unsigned short rta_len;
197 unsigned short rta_type;
198};
199
200/* Macros to handle rtattributes */
201
202#define RTA_ALIGNTO 4U
203#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
204#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
205 (rta)->rta_len >= sizeof(struct rtattr) && \
206 (rta)->rta_len <= (len))
207#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
208 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
209#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
210#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
211#define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
212#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
213
214
215
216
217/******************************************************************************
218 * Definitions used in routing table administration.
219 ****/
220
221struct rtmsg {
222 unsigned char rtm_family;
223 unsigned char rtm_dst_len;
224 unsigned char rtm_src_len;
225 unsigned char rtm_tos;
226
227 unsigned char rtm_table; /* Routing table id */
228 unsigned char rtm_protocol; /* Routing protocol; see below */
229 unsigned char rtm_scope; /* See below */
230 unsigned char rtm_type; /* See below */
231
232 unsigned rtm_flags;
233};
234
235/* rtm_type */
236
237enum {
238 RTN_UNSPEC,
239 RTN_UNICAST, /* Gateway or direct route */
240 RTN_LOCAL, /* Accept locally */
241 RTN_BROADCAST, /* Accept locally as broadcast,
242 send as broadcast */
243 RTN_ANYCAST, /* Accept locally as broadcast,
244 but send as unicast */
245 RTN_MULTICAST, /* Multicast route */
246 RTN_BLACKHOLE, /* Drop */
247 RTN_UNREACHABLE, /* Destination is unreachable */
248 RTN_PROHIBIT, /* Administratively prohibited */
249 RTN_THROW, /* Not in this table */
250 RTN_NAT, /* Translate this address */
251 RTN_XRESOLVE, /* Use external resolver */
252 __RTN_MAX
253};
254
255#define RTN_MAX (__RTN_MAX - 1)
256
257
258/* rtm_protocol */
259
260#define RTPROT_UNSPEC 0
261#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
262 not used by current IPv4 */
263#define RTPROT_KERNEL 2 /* Route installed by kernel */
264#define RTPROT_BOOT 3 /* Route installed during boot */
265#define RTPROT_STATIC 4 /* Route installed by administrator */
266
267/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
268 they are just passed from user and back as is.
269 It will be used by hypothetical multiple routing daemons.
270 Note that protocol values should be standardized in order to
271 avoid conflicts.
272 */
273
274#define RTPROT_GATED 8 /* Apparently, GateD */
275#define RTPROT_RA 9 /* RDISC/ND router advertisements */
276#define RTPROT_MRT 10 /* Merit MRT */
277#define RTPROT_ZEBRA 11 /* Zebra */
278#define RTPROT_BIRD 12 /* BIRD */
279#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
280#define RTPROT_XORP 14 /* XORP */
281#define RTPROT_NTK 15 /* Netsukuku */
282#define RTPROT_DHCP 16 /* DHCP client */
283#define RTPROT_MROUTED 17 /* Multicast daemon */
284#define RTPROT_KEEPALIVED 18 /* Keepalived daemon */
285#define RTPROT_BABEL 42 /* Babel daemon */
286#define RTPROT_BGP 186 /* BGP Routes */
287#define RTPROT_ISIS 187 /* ISIS Routes */
288#define RTPROT_OSPF 188 /* OSPF Routes */
289#define RTPROT_RIP 189 /* RIP Routes */
290#define RTPROT_EIGRP 192 /* EIGRP Routes */
291
292/* rtm_scope
293
294 Really it is not scope, but sort of distance to the destination.
295 NOWHERE are reserved for not existing destinations, HOST is our
296 local addresses, LINK are destinations, located on directly attached
297 link and UNIVERSE is everywhere in the Universe.
298
299 Intermediate values are also possible f.e. interior routes
300 could be assigned a value between UNIVERSE and LINK.
301*/
302
303enum rt_scope_t {
304 RT_SCOPE_UNIVERSE=0,
305/* User defined values */
306 RT_SCOPE_SITE=200,
307 RT_SCOPE_LINK=253,
308 RT_SCOPE_HOST=254,
309 RT_SCOPE_NOWHERE=255
310};
311
312/* rtm_flags */
313
314#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
315#define RTM_F_CLONED 0x200 /* This route is cloned */
316#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
317#define RTM_F_PREFIX 0x800 /* Prefix addresses */
318#define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */
319#define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */
320#define RTM_F_OFFLOAD 0x4000 /* route is offloaded */
321#define RTM_F_TRAP 0x8000 /* route is trapping packets */
322
323/* Reserved table identifiers */
324
325enum rt_class_t {
326 RT_TABLE_UNSPEC=0,
327/* User defined values */
328 RT_TABLE_COMPAT=252,
329 RT_TABLE_DEFAULT=253,
330 RT_TABLE_MAIN=254,
331 RT_TABLE_LOCAL=255,
332 RT_TABLE_MAX=0xFFFFFFFF
333};
334
335
336/* Routing message attributes */
337
338enum rtattr_type_t {
339 RTA_UNSPEC,
340 RTA_DST,
341 RTA_SRC,
342 RTA_IIF,
343 RTA_OIF,
344 RTA_GATEWAY,
345 RTA_PRIORITY,
346 RTA_PREFSRC,
347 RTA_METRICS,
348 RTA_MULTIPATH,
349 RTA_PROTOINFO, /* no longer used */
350 RTA_FLOW,
351 RTA_CACHEINFO,
352 RTA_SESSION, /* no longer used */
353 RTA_MP_ALGO, /* no longer used */
354 RTA_TABLE,
355 RTA_MARK,
356 RTA_MFC_STATS,
357 RTA_VIA,
358 RTA_NEWDST,
359 RTA_PREF,
360 RTA_ENCAP_TYPE,
361 RTA_ENCAP,
362 RTA_EXPIRES,
363 RTA_PAD,
364 RTA_UID,
365 RTA_TTL_PROPAGATE,
366 RTA_IP_PROTO,
367 RTA_SPORT,
368 RTA_DPORT,
369 RTA_NH_ID,
370 __RTA_MAX
371};
372
373#define RTA_MAX (__RTA_MAX - 1)
374
375#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
376#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
377
378/* RTM_MULTIPATH --- array of struct rtnexthop.
379 *
380 * "struct rtnexthop" describes all necessary nexthop information,
381 * i.e. parameters of path to a destination via this nexthop.
382 *
383 * At the moment it is impossible to set different prefsrc, mtu, window
384 * and rtt for different paths from multipath.
385 */
386
387struct rtnexthop {
388 unsigned short rtnh_len;
389 unsigned char rtnh_flags;
390 unsigned char rtnh_hops;
391 int rtnh_ifindex;
392};
393
394/* rtnh_flags */
395
396#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
397#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
398#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
399#define RTNH_F_OFFLOAD 8 /* offloaded route */
400#define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */
401#define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */
402
403#define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD)
404
405/* Macros to handle hexthops */
406
407#define RTNH_ALIGNTO 4
408#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
409#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
410 ((int)(rtnh)->rtnh_len) <= (len))
411#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
412#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
413#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
414#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
415
416/* RTA_VIA */
417struct rtvia {
418 __kernel_sa_family_t rtvia_family;
419 __u8 rtvia_addr[0];
420};
421
422/* RTM_CACHEINFO */
423
424struct rta_cacheinfo {
425 __u32 rta_clntref;
426 __u32 rta_lastuse;
427 __s32 rta_expires;
428 __u32 rta_error;
429 __u32 rta_used;
430
431#define RTNETLINK_HAVE_PEERINFO 1
432 __u32 rta_id;
433 __u32 rta_ts;
434 __u32 rta_tsage;
435};
436
437/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
438
439enum {
440 RTAX_UNSPEC,
441#define RTAX_UNSPEC RTAX_UNSPEC
442 RTAX_LOCK,
443#define RTAX_LOCK RTAX_LOCK
444 RTAX_MTU,
445#define RTAX_MTU RTAX_MTU
446 RTAX_WINDOW,
447#define RTAX_WINDOW RTAX_WINDOW
448 RTAX_RTT,
449#define RTAX_RTT RTAX_RTT
450 RTAX_RTTVAR,
451#define RTAX_RTTVAR RTAX_RTTVAR
452 RTAX_SSTHRESH,
453#define RTAX_SSTHRESH RTAX_SSTHRESH
454 RTAX_CWND,
455#define RTAX_CWND RTAX_CWND
456 RTAX_ADVMSS,
457#define RTAX_ADVMSS RTAX_ADVMSS
458 RTAX_REORDERING,
459#define RTAX_REORDERING RTAX_REORDERING
460 RTAX_HOPLIMIT,
461#define RTAX_HOPLIMIT RTAX_HOPLIMIT
462 RTAX_INITCWND,
463#define RTAX_INITCWND RTAX_INITCWND
464 RTAX_FEATURES,
465#define RTAX_FEATURES RTAX_FEATURES
466 RTAX_RTO_MIN,
467#define RTAX_RTO_MIN RTAX_RTO_MIN
468 RTAX_INITRWND,
469#define RTAX_INITRWND RTAX_INITRWND
470 RTAX_QUICKACK,
471#define RTAX_QUICKACK RTAX_QUICKACK
472 RTAX_CC_ALGO,
473#define RTAX_CC_ALGO RTAX_CC_ALGO
474 RTAX_FASTOPEN_NO_COOKIE,
475#define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
476 __RTAX_MAX
477};
478
479#define RTAX_MAX (__RTAX_MAX - 1)
480
481#define RTAX_FEATURE_ECN (1 << 0)
482#define RTAX_FEATURE_SACK (1 << 1)
483#define RTAX_FEATURE_TIMESTAMP (1 << 2)
484#define RTAX_FEATURE_ALLFRAG (1 << 3)
485
486#define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
487 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
488
489struct rta_session {
490 __u8 proto;
491 __u8 pad1;
492 __u16 pad2;
493
494 union {
495 struct {
496 __u16 sport;
497 __u16 dport;
498 } ports;
499
500 struct {
501 __u8 type;
502 __u8 code;
503 __u16 ident;
504 } icmpt;
505
506 __u32 spi;
507 } u;
508};
509
510struct rta_mfc_stats {
511 __u64 mfcs_packets;
512 __u64 mfcs_bytes;
513 __u64 mfcs_wrong_if;
514};
515
516/****
517 * General form of address family dependent message.
518 ****/
519
520struct rtgenmsg {
521 unsigned char rtgen_family;
522};
523
524/*****************************************************************
525 * Link layer specific messages.
526 ****/
527
528/* struct ifinfomsg
529 * passes link level specific information, not dependent
530 * on network protocol.
531 */
532
533struct ifinfomsg {
534 unsigned char ifi_family;
535 unsigned char __ifi_pad;
536 unsigned short ifi_type; /* ARPHRD_* */
537 int ifi_index; /* Link index */
538 unsigned ifi_flags; /* IFF_* flags */
539 unsigned ifi_change; /* IFF_* change mask */
540};
541
542/********************************************************************
543 * prefix information
544 ****/
545
546struct prefixmsg {
547 unsigned char prefix_family;
548 unsigned char prefix_pad1;
549 unsigned short prefix_pad2;
550 int prefix_ifindex;
551 unsigned char prefix_type;
552 unsigned char prefix_len;
553 unsigned char prefix_flags;
554 unsigned char prefix_pad3;
555};
556
557enum
558{
559 PREFIX_UNSPEC,
560 PREFIX_ADDRESS,
561 PREFIX_CACHEINFO,
562 __PREFIX_MAX
563};
564
565#define PREFIX_MAX (__PREFIX_MAX - 1)
566
567struct prefix_cacheinfo {
568 __u32 preferred_time;
569 __u32 valid_time;
570};
571
572
573/*****************************************************************
574 * Traffic control messages.
575 ****/
576
577struct tcmsg {
578 unsigned char tcm_family;
579 unsigned char tcm__pad1;
580 unsigned short tcm__pad2;
581 int tcm_ifindex;
582 __u32 tcm_handle;
583 __u32 tcm_parent;
584/* tcm_block_index is used instead of tcm_parent
585 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
586 */
587#define tcm_block_index tcm_parent
588 __u32 tcm_info;
589};
590
591/* For manipulation of filters in shared block, tcm_ifindex is set to
592 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
593 * which is the block index.
594 */
595#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
596
597enum {
598 TCA_UNSPEC,
599 TCA_KIND,
600 TCA_OPTIONS,
601 TCA_STATS,
602 TCA_XSTATS,
603 TCA_RATE,
604 TCA_FCNT,
605 TCA_STATS2,
606 TCA_STAB,
607 TCA_PAD,
608 TCA_DUMP_INVISIBLE,
609 TCA_CHAIN,
610 TCA_HW_OFFLOAD,
611 TCA_INGRESS_BLOCK,
612 TCA_EGRESS_BLOCK,
613 TCA_DUMP_FLAGS,
614 __TCA_MAX
615};
616
617#define TCA_MAX (__TCA_MAX - 1)
618
619#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
620 * data necessary to identify the objects
621 * (handle, cookie, etc.) and stats.
622 */
623
624#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
625#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
626
627/********************************************************************
628 * Neighbor Discovery userland options
629 ****/
630
631struct nduseroptmsg {
632 unsigned char nduseropt_family;
633 unsigned char nduseropt_pad1;
634 unsigned short nduseropt_opts_len; /* Total length of options */
635 int nduseropt_ifindex;
636 __u8 nduseropt_icmp_type;
637 __u8 nduseropt_icmp_code;
638 unsigned short nduseropt_pad2;
639 unsigned int nduseropt_pad3;
640 /* Followed by one or more ND options */
641};
642
643enum {
644 NDUSEROPT_UNSPEC,
645 NDUSEROPT_SRCADDR,
646 __NDUSEROPT_MAX
647};
648
649#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
650
651/* RTnetlink multicast groups - backwards compatibility for userspace */
652#define RTMGRP_LINK 1
653#define RTMGRP_NOTIFY 2
654#define RTMGRP_NEIGH 4
655#define RTMGRP_TC 8
656
657#define RTMGRP_IPV4_IFADDR 0x10
658#define RTMGRP_IPV4_MROUTE 0x20
659#define RTMGRP_IPV4_ROUTE 0x40
660#define RTMGRP_IPV4_RULE 0x80
661
662#define RTMGRP_IPV6_IFADDR 0x100
663#define RTMGRP_IPV6_MROUTE 0x200
664#define RTMGRP_IPV6_ROUTE 0x400
665#define RTMGRP_IPV6_IFINFO 0x800
666
667#define RTMGRP_DECnet_IFADDR 0x1000
668#define RTMGRP_DECnet_ROUTE 0x4000
669
670#define RTMGRP_IPV6_PREFIX 0x20000
671
672/* RTnetlink multicast groups */
673enum rtnetlink_groups {
674 RTNLGRP_NONE,
675#define RTNLGRP_NONE RTNLGRP_NONE
676 RTNLGRP_LINK,
677#define RTNLGRP_LINK RTNLGRP_LINK
678 RTNLGRP_NOTIFY,
679#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
680 RTNLGRP_NEIGH,
681#define RTNLGRP_NEIGH RTNLGRP_NEIGH
682 RTNLGRP_TC,
683#define RTNLGRP_TC RTNLGRP_TC
684 RTNLGRP_IPV4_IFADDR,
685#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
686 RTNLGRP_IPV4_MROUTE,
687#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
688 RTNLGRP_IPV4_ROUTE,
689#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
690 RTNLGRP_IPV4_RULE,
691#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
692 RTNLGRP_IPV6_IFADDR,
693#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
694 RTNLGRP_IPV6_MROUTE,
695#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
696 RTNLGRP_IPV6_ROUTE,
697#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
698 RTNLGRP_IPV6_IFINFO,
699#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
700 RTNLGRP_DECnet_IFADDR,
701#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
702 RTNLGRP_NOP2,
703 RTNLGRP_DECnet_ROUTE,
704#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
705 RTNLGRP_DECnet_RULE,
706#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
707 RTNLGRP_NOP4,
708 RTNLGRP_IPV6_PREFIX,
709#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
710 RTNLGRP_IPV6_RULE,
711#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
712 RTNLGRP_ND_USEROPT,
713#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
714 RTNLGRP_PHONET_IFADDR,
715#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
716 RTNLGRP_PHONET_ROUTE,
717#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
718 RTNLGRP_DCB,
719#define RTNLGRP_DCB RTNLGRP_DCB
720 RTNLGRP_IPV4_NETCONF,
721#define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF
722 RTNLGRP_IPV6_NETCONF,
723#define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF
724 RTNLGRP_MDB,
725#define RTNLGRP_MDB RTNLGRP_MDB
726 RTNLGRP_MPLS_ROUTE,
727#define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE
728 RTNLGRP_NSID,
729#define RTNLGRP_NSID RTNLGRP_NSID
730 RTNLGRP_MPLS_NETCONF,
731#define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF
732 RTNLGRP_IPV4_MROUTE_R,
733#define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R
734 RTNLGRP_IPV6_MROUTE_R,
735#define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R
736 RTNLGRP_NEXTHOP,
737#define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP
738 RTNLGRP_BRVLAN,
739#define RTNLGRP_BRVLAN RTNLGRP_BRVLAN
740 __RTNLGRP_MAX
741};
742#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
743
744/* TC action piece */
745struct tcamsg {
746 unsigned char tca_family;
747 unsigned char tca__pad1;
748 unsigned short tca__pad2;
749};
750
751enum {
752 TCA_ROOT_UNSPEC,
753 TCA_ROOT_TAB,
754#define TCA_ACT_TAB TCA_ROOT_TAB
755#define TCAA_MAX TCA_ROOT_TAB
756 TCA_ROOT_FLAGS,
757 TCA_ROOT_COUNT,
758 TCA_ROOT_TIME_DELTA, /* in msecs */
759 __TCA_ROOT_MAX,
760#define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
761};
762
763#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
764#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
765/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
766 *
767 * TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO
768 * actions in a dump. All dump responses will contain the number of actions
769 * being dumped stored in for user app's consumption in TCA_ROOT_COUNT
770 *
771 */
772#define TCA_FLAG_LARGE_DUMP_ON (1 << 0)
773
774/* New extended info filters for IFLA_EXT_MASK */
775#define RTEXT_FILTER_VF (1 << 0)
776#define RTEXT_FILTER_BRVLAN (1 << 1)
777#define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2)
778#define RTEXT_FILTER_SKIP_STATS (1 << 3)
779#define RTEXT_FILTER_MRP (1 << 4)
780
781/* End of information exported to user level */
782
783
784
785#endif /* __LINUX_RTNETLINK_H */
786