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_NEWMULTICAST = 56,
97#define RTM_NEWMULTICAST RTM_NEWMULTICAST
98 RTM_DELMULTICAST,
99#define RTM_DELMULTICAST RTM_DELMULTICAST
100 RTM_GETMULTICAST,
101#define RTM_GETMULTICAST RTM_GETMULTICAST
102
103 RTM_NEWANYCAST = 60,
104#define RTM_NEWANYCAST RTM_NEWANYCAST
105 RTM_DELANYCAST,
106#define RTM_DELANYCAST RTM_DELANYCAST
107 RTM_GETANYCAST,
108#define RTM_GETANYCAST RTM_GETANYCAST
109
110 RTM_NEWNEIGHTBL = 64,
111#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL
112 RTM_GETNEIGHTBL = 66,
113#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL
114 RTM_SETNEIGHTBL,
115#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL
116
117 RTM_NEWNDUSEROPT = 68,
118#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
119
120 RTM_NEWADDRLABEL = 72,
121#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
122 RTM_DELADDRLABEL,
123#define RTM_DELADDRLABEL RTM_DELADDRLABEL
124 RTM_GETADDRLABEL,
125#define RTM_GETADDRLABEL RTM_GETADDRLABEL
126
127 RTM_GETDCB = 78,
128#define RTM_GETDCB RTM_GETDCB
129 RTM_SETDCB,
130#define RTM_SETDCB RTM_SETDCB
131
132 RTM_NEWNETCONF = 80,
133#define RTM_NEWNETCONF RTM_NEWNETCONF
134 RTM_DELNETCONF,
135#define RTM_DELNETCONF RTM_DELNETCONF
136 RTM_GETNETCONF = 82,
137#define RTM_GETNETCONF RTM_GETNETCONF
138
139 RTM_NEWMDB = 84,
140#define RTM_NEWMDB RTM_NEWMDB
141 RTM_DELMDB = 85,
142#define RTM_DELMDB RTM_DELMDB
143 RTM_GETMDB = 86,
144#define RTM_GETMDB RTM_GETMDB
145
146 RTM_NEWNSID = 88,
147#define RTM_NEWNSID RTM_NEWNSID
148 RTM_DELNSID = 89,
149#define RTM_DELNSID RTM_DELNSID
150 RTM_GETNSID = 90,
151#define RTM_GETNSID RTM_GETNSID
152
153 RTM_NEWSTATS = 92,
154#define RTM_NEWSTATS RTM_NEWSTATS
155 RTM_GETSTATS = 94,
156#define RTM_GETSTATS RTM_GETSTATS
157 RTM_SETSTATS,
158#define RTM_SETSTATS RTM_SETSTATS
159
160 RTM_NEWCACHEREPORT = 96,
161#define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT
162
163 RTM_NEWCHAIN = 100,
164#define RTM_NEWCHAIN RTM_NEWCHAIN
165 RTM_DELCHAIN,
166#define RTM_DELCHAIN RTM_DELCHAIN
167 RTM_GETCHAIN,
168#define RTM_GETCHAIN RTM_GETCHAIN
169
170 RTM_NEWNEXTHOP = 104,
171#define RTM_NEWNEXTHOP RTM_NEWNEXTHOP
172 RTM_DELNEXTHOP,
173#define RTM_DELNEXTHOP RTM_DELNEXTHOP
174 RTM_GETNEXTHOP,
175#define RTM_GETNEXTHOP RTM_GETNEXTHOP
176
177 RTM_NEWLINKPROP = 108,
178#define RTM_NEWLINKPROP RTM_NEWLINKPROP
179 RTM_DELLINKPROP,
180#define RTM_DELLINKPROP RTM_DELLINKPROP
181 RTM_GETLINKPROP,
182#define RTM_GETLINKPROP RTM_GETLINKPROP
183
184 RTM_NEWVLAN = 112,
185#define RTM_NEWVLAN RTM_NEWVLAN
186 RTM_DELVLAN,
187#define RTM_DELVLAN RTM_DELVLAN
188 RTM_GETVLAN,
189#define RTM_GETVLAN RTM_GETVLAN
190
191 RTM_NEWNEXTHOPBUCKET = 116,
192#define RTM_NEWNEXTHOPBUCKET RTM_NEWNEXTHOPBUCKET
193 RTM_DELNEXTHOPBUCKET,
194#define RTM_DELNEXTHOPBUCKET RTM_DELNEXTHOPBUCKET
195 RTM_GETNEXTHOPBUCKET,
196#define RTM_GETNEXTHOPBUCKET RTM_GETNEXTHOPBUCKET
197
198 RTM_NEWTUNNEL = 120,
199#define RTM_NEWTUNNEL RTM_NEWTUNNEL
200 RTM_DELTUNNEL,
201#define RTM_DELTUNNEL RTM_DELTUNNEL
202 RTM_GETTUNNEL,
203#define RTM_GETTUNNEL RTM_GETTUNNEL
204
205 __RTM_MAX,
206#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1)
207};
208
209#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
210#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
211#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2)
212
213/*
214 Generic structure for encapsulation of optional route information.
215 It is reminiscent of sockaddr, but with sa_family replaced
216 with attribute type.
217 */
218
219struct rtattr {
220 unsigned short rta_len;
221 unsigned short rta_type;
222};
223
224/* Macros to handle rtattributes */
225
226#define RTA_ALIGNTO 4U
227#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
228#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
229 (rta)->rta_len >= sizeof(struct rtattr) && \
230 (rta)->rta_len <= (len))
231#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
232 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
233#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
234#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
235#define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
236#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
237
238
239
240
241/******************************************************************************
242 * Definitions used in routing table administration.
243 ****/
244
245struct rtmsg {
246 unsigned char rtm_family;
247 unsigned char rtm_dst_len;
248 unsigned char rtm_src_len;
249 unsigned char rtm_tos;
250
251 unsigned char rtm_table; /* Routing table id */
252 unsigned char rtm_protocol; /* Routing protocol; see below */
253 unsigned char rtm_scope; /* See below */
254 unsigned char rtm_type; /* See below */
255
256 unsigned rtm_flags;
257};
258
259/* rtm_type */
260
261enum {
262 RTN_UNSPEC,
263 RTN_UNICAST, /* Gateway or direct route */
264 RTN_LOCAL, /* Accept locally */
265 RTN_BROADCAST, /* Accept locally as broadcast,
266 send as broadcast */
267 RTN_ANYCAST, /* Accept locally as broadcast,
268 but send as unicast */
269 RTN_MULTICAST, /* Multicast route */
270 RTN_BLACKHOLE, /* Drop */
271 RTN_UNREACHABLE, /* Destination is unreachable */
272 RTN_PROHIBIT, /* Administratively prohibited */
273 RTN_THROW, /* Not in this table */
274 RTN_NAT, /* Translate this address */
275 RTN_XRESOLVE, /* Use external resolver */
276 __RTN_MAX
277};
278
279#define RTN_MAX (__RTN_MAX - 1)
280
281
282/* rtm_protocol */
283
284#define RTPROT_UNSPEC 0
285#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
286 not used by current IPv4 */
287#define RTPROT_KERNEL 2 /* Route installed by kernel */
288#define RTPROT_BOOT 3 /* Route installed during boot */
289#define RTPROT_STATIC 4 /* Route installed by administrator */
290
291/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
292 they are just passed from user and back as is.
293 It will be used by hypothetical multiple routing daemons.
294 Note that protocol values should be standardized in order to
295 avoid conflicts.
296 */
297
298#define RTPROT_GATED 8 /* Apparently, GateD */
299#define RTPROT_RA 9 /* RDISC/ND router advertisements */
300#define RTPROT_MRT 10 /* Merit MRT */
301#define RTPROT_ZEBRA 11 /* Zebra */
302#define RTPROT_BIRD 12 /* BIRD */
303#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
304#define RTPROT_XORP 14 /* XORP */
305#define RTPROT_NTK 15 /* Netsukuku */
306#define RTPROT_DHCP 16 /* DHCP client */
307#define RTPROT_MROUTED 17 /* Multicast daemon */
308#define RTPROT_KEEPALIVED 18 /* Keepalived daemon */
309#define RTPROT_BABEL 42 /* Babel daemon */
310#define RTPROT_OVN 84 /* OVN daemon */
311#define RTPROT_OPENR 99 /* Open Routing (Open/R) Routes */
312#define RTPROT_BGP 186 /* BGP Routes */
313#define RTPROT_ISIS 187 /* ISIS Routes */
314#define RTPROT_OSPF 188 /* OSPF Routes */
315#define RTPROT_RIP 189 /* RIP Routes */
316#define RTPROT_EIGRP 192 /* EIGRP Routes */
317
318/* rtm_scope
319
320 Really it is not scope, but sort of distance to the destination.
321 NOWHERE are reserved for not existing destinations, HOST is our
322 local addresses, LINK are destinations, located on directly attached
323 link and UNIVERSE is everywhere in the Universe.
324
325 Intermediate values are also possible f.e. interior routes
326 could be assigned a value between UNIVERSE and LINK.
327*/
328
329enum rt_scope_t {
330 RT_SCOPE_UNIVERSE=0,
331/* User defined values */
332 RT_SCOPE_SITE=200,
333 RT_SCOPE_LINK=253,
334 RT_SCOPE_HOST=254,
335 RT_SCOPE_NOWHERE=255
336};
337
338/* rtm_flags */
339
340#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
341#define RTM_F_CLONED 0x200 /* This route is cloned */
342#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
343#define RTM_F_PREFIX 0x800 /* Prefix addresses */
344#define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */
345#define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */
346#define RTM_F_OFFLOAD 0x4000 /* route is offloaded */
347#define RTM_F_TRAP 0x8000 /* route is trapping packets */
348#define RTM_F_OFFLOAD_FAILED 0x20000000 /* route offload failed, this value
349 * is chosen to avoid conflicts with
350 * other flags defined in
351 * include/uapi/linux/ipv6_route.h
352 */
353
354/* Reserved table identifiers */
355
356enum rt_class_t {
357 RT_TABLE_UNSPEC=0,
358/* User defined values */
359 RT_TABLE_COMPAT=252,
360 RT_TABLE_DEFAULT=253,
361 RT_TABLE_MAIN=254,
362 RT_TABLE_LOCAL=255,
363 RT_TABLE_MAX=0xFFFFFFFF
364};
365
366
367/* Routing message attributes */
368
369enum rtattr_type_t {
370 RTA_UNSPEC,
371 RTA_DST,
372 RTA_SRC,
373 RTA_IIF,
374 RTA_OIF,
375 RTA_GATEWAY,
376 RTA_PRIORITY,
377 RTA_PREFSRC,
378 RTA_METRICS,
379 RTA_MULTIPATH,
380 RTA_PROTOINFO, /* no longer used */
381 RTA_FLOW,
382 RTA_CACHEINFO,
383 RTA_SESSION, /* no longer used */
384 RTA_MP_ALGO, /* no longer used */
385 RTA_TABLE,
386 RTA_MARK,
387 RTA_MFC_STATS,
388 RTA_VIA,
389 RTA_NEWDST,
390 RTA_PREF,
391 RTA_ENCAP_TYPE,
392 RTA_ENCAP,
393 RTA_EXPIRES,
394 RTA_PAD,
395 RTA_UID,
396 RTA_TTL_PROPAGATE,
397 RTA_IP_PROTO,
398 RTA_SPORT,
399 RTA_DPORT,
400 RTA_NH_ID,
401 RTA_FLOWLABEL,
402 __RTA_MAX
403};
404
405#define RTA_MAX (__RTA_MAX - 1)
406
407#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
408#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
409
410/* RTM_MULTIPATH --- array of struct rtnexthop.
411 *
412 * "struct rtnexthop" describes all necessary nexthop information,
413 * i.e. parameters of path to a destination via this nexthop.
414 *
415 * At the moment it is impossible to set different prefsrc, mtu, window
416 * and rtt for different paths from multipath.
417 */
418
419struct rtnexthop {
420 unsigned short rtnh_len;
421 unsigned char rtnh_flags;
422 unsigned char rtnh_hops;
423 int rtnh_ifindex;
424};
425
426/* rtnh_flags */
427
428#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
429#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
430#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
431#define RTNH_F_OFFLOAD 8 /* Nexthop is offloaded */
432#define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */
433#define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */
434#define RTNH_F_TRAP 64 /* Nexthop is trapping packets */
435
436#define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | \
437 RTNH_F_OFFLOAD | RTNH_F_TRAP)
438
439/* Macros to handle hexthops */
440
441#define RTNH_ALIGNTO 4
442#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
443#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
444 ((int)(rtnh)->rtnh_len) <= (len))
445#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
446#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
447#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
448#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
449
450/* RTA_VIA */
451struct rtvia {
452 __kernel_sa_family_t rtvia_family;
453 __u8 rtvia_addr[];
454};
455
456/* RTM_CACHEINFO */
457
458struct rta_cacheinfo {
459 __u32 rta_clntref;
460 __u32 rta_lastuse;
461 __s32 rta_expires;
462 __u32 rta_error;
463 __u32 rta_used;
464
465#define RTNETLINK_HAVE_PEERINFO 1
466 __u32 rta_id;
467 __u32 rta_ts;
468 __u32 rta_tsage;
469};
470
471/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
472
473enum {
474 RTAX_UNSPEC,
475#define RTAX_UNSPEC RTAX_UNSPEC
476 RTAX_LOCK,
477#define RTAX_LOCK RTAX_LOCK
478 RTAX_MTU,
479#define RTAX_MTU RTAX_MTU
480 RTAX_WINDOW,
481#define RTAX_WINDOW RTAX_WINDOW
482 RTAX_RTT,
483#define RTAX_RTT RTAX_RTT
484 RTAX_RTTVAR,
485#define RTAX_RTTVAR RTAX_RTTVAR
486 RTAX_SSTHRESH,
487#define RTAX_SSTHRESH RTAX_SSTHRESH
488 RTAX_CWND,
489#define RTAX_CWND RTAX_CWND
490 RTAX_ADVMSS,
491#define RTAX_ADVMSS RTAX_ADVMSS
492 RTAX_REORDERING,
493#define RTAX_REORDERING RTAX_REORDERING
494 RTAX_HOPLIMIT,
495#define RTAX_HOPLIMIT RTAX_HOPLIMIT
496 RTAX_INITCWND,
497#define RTAX_INITCWND RTAX_INITCWND
498 RTAX_FEATURES,
499#define RTAX_FEATURES RTAX_FEATURES
500 RTAX_RTO_MIN,
501#define RTAX_RTO_MIN RTAX_RTO_MIN
502 RTAX_INITRWND,
503#define RTAX_INITRWND RTAX_INITRWND
504 RTAX_QUICKACK,
505#define RTAX_QUICKACK RTAX_QUICKACK
506 RTAX_CC_ALGO,
507#define RTAX_CC_ALGO RTAX_CC_ALGO
508 RTAX_FASTOPEN_NO_COOKIE,
509#define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
510 __RTAX_MAX
511};
512
513#define RTAX_MAX (__RTAX_MAX - 1)
514
515#define RTAX_FEATURE_ECN (1 << 0)
516#define RTAX_FEATURE_SACK (1 << 1) /* unused */
517#define RTAX_FEATURE_TIMESTAMP (1 << 2) /* unused */
518#define RTAX_FEATURE_ALLFRAG (1 << 3) /* unused */
519#define RTAX_FEATURE_TCP_USEC_TS (1 << 4)
520
521#define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | \
522 RTAX_FEATURE_SACK | \
523 RTAX_FEATURE_TIMESTAMP | \
524 RTAX_FEATURE_ALLFRAG | \
525 RTAX_FEATURE_TCP_USEC_TS)
526
527struct rta_session {
528 __u8 proto;
529 __u8 pad1;
530 __u16 pad2;
531
532 union {
533 struct {
534 __u16 sport;
535 __u16 dport;
536 } ports;
537
538 struct {
539 __u8 type;
540 __u8 code;
541 __u16 ident;
542 } icmpt;
543
544 __u32 spi;
545 } u;
546};
547
548struct rta_mfc_stats {
549 __u64 mfcs_packets;
550 __u64 mfcs_bytes;
551 __u64 mfcs_wrong_if;
552};
553
554/****
555 * General form of address family dependent message.
556 ****/
557
558struct rtgenmsg {
559 unsigned char rtgen_family;
560};
561
562/*****************************************************************
563 * Link layer specific messages.
564 ****/
565
566/* struct ifinfomsg
567 * passes link level specific information, not dependent
568 * on network protocol.
569 */
570
571struct ifinfomsg {
572 unsigned char ifi_family;
573 unsigned char __ifi_pad;
574 unsigned short ifi_type; /* ARPHRD_* */
575 int ifi_index; /* Link index */
576 unsigned ifi_flags; /* IFF_* flags */
577 unsigned ifi_change; /* IFF_* change mask */
578};
579
580/********************************************************************
581 * prefix information
582 ****/
583
584struct prefixmsg {
585 unsigned char prefix_family;
586 unsigned char prefix_pad1;
587 unsigned short prefix_pad2;
588 int prefix_ifindex;
589 unsigned char prefix_type;
590 unsigned char prefix_len;
591 unsigned char prefix_flags;
592 unsigned char prefix_pad3;
593};
594
595enum
596{
597 PREFIX_UNSPEC,
598 PREFIX_ADDRESS,
599 PREFIX_CACHEINFO,
600 __PREFIX_MAX
601};
602
603#define PREFIX_MAX (__PREFIX_MAX - 1)
604
605struct prefix_cacheinfo {
606 __u32 preferred_time;
607 __u32 valid_time;
608};
609
610
611/*****************************************************************
612 * Traffic control messages.
613 ****/
614
615struct tcmsg {
616 unsigned char tcm_family;
617 unsigned char tcm__pad1;
618 unsigned short tcm__pad2;
619 int tcm_ifindex;
620 __u32 tcm_handle;
621 __u32 tcm_parent;
622/* tcm_block_index is used instead of tcm_parent
623 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
624 */
625#define tcm_block_index tcm_parent
626 __u32 tcm_info;
627};
628
629/* For manipulation of filters in shared block, tcm_ifindex is set to
630 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
631 * which is the block index.
632 */
633#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
634
635enum {
636 TCA_UNSPEC,
637 TCA_KIND,
638 TCA_OPTIONS,
639 TCA_STATS,
640 TCA_XSTATS,
641 TCA_RATE,
642 TCA_FCNT,
643 TCA_STATS2,
644 TCA_STAB,
645 TCA_PAD,
646 TCA_DUMP_INVISIBLE,
647 TCA_CHAIN,
648 TCA_HW_OFFLOAD,
649 TCA_INGRESS_BLOCK,
650 TCA_EGRESS_BLOCK,
651 TCA_DUMP_FLAGS,
652 TCA_EXT_WARN_MSG,
653 __TCA_MAX
654};
655
656#define TCA_MAX (__TCA_MAX - 1)
657
658#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
659 * data necessary to identify the objects
660 * (handle, cookie, etc.) and stats.
661 */
662
663#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
664#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
665
666/********************************************************************
667 * Neighbor Discovery userland options
668 ****/
669
670struct nduseroptmsg {
671 unsigned char nduseropt_family;
672 unsigned char nduseropt_pad1;
673 unsigned short nduseropt_opts_len; /* Total length of options */
674 int nduseropt_ifindex;
675 __u8 nduseropt_icmp_type;
676 __u8 nduseropt_icmp_code;
677 unsigned short nduseropt_pad2;
678 unsigned int nduseropt_pad3;
679 /* Followed by one or more ND options */
680};
681
682enum {
683 NDUSEROPT_UNSPEC,
684 NDUSEROPT_SRCADDR,
685 __NDUSEROPT_MAX
686};
687
688#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
689
690/* RTnetlink multicast groups - backwards compatibility for userspace */
691#define RTMGRP_LINK 1
692#define RTMGRP_NOTIFY 2
693#define RTMGRP_NEIGH 4
694#define RTMGRP_TC 8
695
696#define RTMGRP_IPV4_IFADDR 0x10
697#define RTMGRP_IPV4_MROUTE 0x20
698#define RTMGRP_IPV4_ROUTE 0x40
699#define RTMGRP_IPV4_RULE 0x80
700
701#define RTMGRP_IPV6_IFADDR 0x100
702#define RTMGRP_IPV6_MROUTE 0x200
703#define RTMGRP_IPV6_ROUTE 0x400
704#define RTMGRP_IPV6_IFINFO 0x800
705
706#define RTMGRP_DECnet_IFADDR 0x1000
707#define RTMGRP_DECnet_ROUTE 0x4000
708
709#define RTMGRP_IPV6_PREFIX 0x20000
710
711/* RTnetlink multicast groups */
712enum rtnetlink_groups {
713 RTNLGRP_NONE,
714#define RTNLGRP_NONE RTNLGRP_NONE
715 RTNLGRP_LINK,
716#define RTNLGRP_LINK RTNLGRP_LINK
717 RTNLGRP_NOTIFY,
718#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
719 RTNLGRP_NEIGH,
720#define RTNLGRP_NEIGH RTNLGRP_NEIGH
721 RTNLGRP_TC,
722#define RTNLGRP_TC RTNLGRP_TC
723 RTNLGRP_IPV4_IFADDR,
724#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
725 RTNLGRP_IPV4_MROUTE,
726#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
727 RTNLGRP_IPV4_ROUTE,
728#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
729 RTNLGRP_IPV4_RULE,
730#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
731 RTNLGRP_IPV6_IFADDR,
732#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
733 RTNLGRP_IPV6_MROUTE,
734#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
735 RTNLGRP_IPV6_ROUTE,
736#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
737 RTNLGRP_IPV6_IFINFO,
738#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
739 RTNLGRP_DECnet_IFADDR,
740#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
741 RTNLGRP_NOP2,
742 RTNLGRP_DECnet_ROUTE,
743#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
744 RTNLGRP_DECnet_RULE,
745#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
746 RTNLGRP_NOP4,
747 RTNLGRP_IPV6_PREFIX,
748#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
749 RTNLGRP_IPV6_RULE,
750#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
751 RTNLGRP_ND_USEROPT,
752#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
753 RTNLGRP_PHONET_IFADDR,
754#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
755 RTNLGRP_PHONET_ROUTE,
756#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
757 RTNLGRP_DCB,
758#define RTNLGRP_DCB RTNLGRP_DCB
759 RTNLGRP_IPV4_NETCONF,
760#define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF
761 RTNLGRP_IPV6_NETCONF,
762#define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF
763 RTNLGRP_MDB,
764#define RTNLGRP_MDB RTNLGRP_MDB
765 RTNLGRP_MPLS_ROUTE,
766#define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE
767 RTNLGRP_NSID,
768#define RTNLGRP_NSID RTNLGRP_NSID
769 RTNLGRP_MPLS_NETCONF,
770#define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF
771 RTNLGRP_IPV4_MROUTE_R,
772#define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R
773 RTNLGRP_IPV6_MROUTE_R,
774#define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R
775 RTNLGRP_NEXTHOP,
776#define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP
777 RTNLGRP_BRVLAN,
778#define RTNLGRP_BRVLAN RTNLGRP_BRVLAN
779 RTNLGRP_MCTP_IFADDR,
780#define RTNLGRP_MCTP_IFADDR RTNLGRP_MCTP_IFADDR
781 RTNLGRP_TUNNEL,
782#define RTNLGRP_TUNNEL RTNLGRP_TUNNEL
783 RTNLGRP_STATS,
784#define RTNLGRP_STATS RTNLGRP_STATS
785 RTNLGRP_IPV4_MCADDR,
786#define RTNLGRP_IPV4_MCADDR RTNLGRP_IPV4_MCADDR
787 RTNLGRP_IPV6_MCADDR,
788#define RTNLGRP_IPV6_MCADDR RTNLGRP_IPV6_MCADDR
789 RTNLGRP_IPV6_ACADDR,
790#define RTNLGRP_IPV6_ACADDR RTNLGRP_IPV6_ACADDR
791 __RTNLGRP_MAX
792};
793#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
794
795/* TC action piece */
796struct tcamsg {
797 unsigned char tca_family;
798 unsigned char tca__pad1;
799 unsigned short tca__pad2;
800};
801
802enum {
803 TCA_ROOT_UNSPEC,
804 TCA_ROOT_TAB,
805#define TCA_ACT_TAB TCA_ROOT_TAB
806#define TCAA_MAX TCA_ROOT_TAB
807 TCA_ROOT_FLAGS,
808 TCA_ROOT_COUNT,
809 TCA_ROOT_TIME_DELTA, /* in msecs */
810 TCA_ROOT_EXT_WARN_MSG,
811 __TCA_ROOT_MAX,
812#define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
813};
814
815#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
816#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
817/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
818 *
819 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than
820 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the
821 * number of actions being dumped stored in for user app's consumption in
822 * TCA_ROOT_COUNT
823 *
824 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only
825 * includes essential action info (kind, index, etc.)
826 *
827 */
828#define TCA_FLAG_LARGE_DUMP_ON (1 << 0)
829#define TCA_ACT_FLAG_LARGE_DUMP_ON TCA_FLAG_LARGE_DUMP_ON
830#define TCA_ACT_FLAG_TERSE_DUMP (1 << 1)
831
832/* New extended info filters for IFLA_EXT_MASK */
833#define RTEXT_FILTER_VF (1 << 0)
834#define RTEXT_FILTER_BRVLAN (1 << 1)
835#define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2)
836#define RTEXT_FILTER_SKIP_STATS (1 << 3)
837#define RTEXT_FILTER_MRP (1 << 4)
838#define RTEXT_FILTER_CFM_CONFIG (1 << 5)
839#define RTEXT_FILTER_CFM_STATUS (1 << 6)
840#define RTEXT_FILTER_MST (1 << 7)
841#define RTEXT_FILTER_NAME_ONLY (1 << 8)
842
843/* End of information exported to user level */
844
845
846
847#endif /* __LINUX_RTNETLINK_H */