xref: /openbmc/linux/include/uapi/linux/rtnetlink.h (revision 77ab8d5d)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__LINUX_RTNETLINK_H
3 #define _UAPI__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 
24 enum {
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_MAX,
154 #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
155 };
156 
157 #define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
158 #define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
159 #define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
160 
161 /*
162    Generic structure for encapsulation of optional route information.
163    It is reminiscent of sockaddr, but with sa_family replaced
164    with attribute type.
165  */
166 
167 struct rtattr {
168 	unsigned short	rta_len;
169 	unsigned short	rta_type;
170 };
171 
172 /* Macros to handle rtattributes */
173 
174 #define RTA_ALIGNTO	4U
175 #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
176 #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
177 			 (rta)->rta_len >= sizeof(struct rtattr) && \
178 			 (rta)->rta_len <= (len))
179 #define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
180 				 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
181 #define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
182 #define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
183 #define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
184 #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
185 
186 
187 
188 
189 /******************************************************************************
190  *		Definitions used in routing table administration.
191  ****/
192 
193 struct rtmsg {
194 	unsigned char		rtm_family;
195 	unsigned char		rtm_dst_len;
196 	unsigned char		rtm_src_len;
197 	unsigned char		rtm_tos;
198 
199 	unsigned char		rtm_table;	/* Routing table id */
200 	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
201 	unsigned char		rtm_scope;	/* See below */
202 	unsigned char		rtm_type;	/* See below	*/
203 
204 	unsigned		rtm_flags;
205 };
206 
207 /* rtm_type */
208 
209 enum {
210 	RTN_UNSPEC,
211 	RTN_UNICAST,		/* Gateway or direct route	*/
212 	RTN_LOCAL,		/* Accept locally		*/
213 	RTN_BROADCAST,		/* Accept locally as broadcast,
214 				   send as broadcast */
215 	RTN_ANYCAST,		/* Accept locally as broadcast,
216 				   but send as unicast */
217 	RTN_MULTICAST,		/* Multicast route		*/
218 	RTN_BLACKHOLE,		/* Drop				*/
219 	RTN_UNREACHABLE,	/* Destination is unreachable   */
220 	RTN_PROHIBIT,		/* Administratively prohibited	*/
221 	RTN_THROW,		/* Not in this table		*/
222 	RTN_NAT,		/* Translate this address	*/
223 	RTN_XRESOLVE,		/* Use external resolver	*/
224 	__RTN_MAX
225 };
226 
227 #define RTN_MAX (__RTN_MAX - 1)
228 
229 
230 /* rtm_protocol */
231 
232 #define RTPROT_UNSPEC	0
233 #define RTPROT_REDIRECT	1	/* Route installed by ICMP redirects;
234 				   not used by current IPv4 */
235 #define RTPROT_KERNEL	2	/* Route installed by kernel		*/
236 #define RTPROT_BOOT	3	/* Route installed during boot		*/
237 #define RTPROT_STATIC	4	/* Route installed by administrator	*/
238 
239 /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
240    they are just passed from user and back as is.
241    It will be used by hypothetical multiple routing daemons.
242    Note that protocol values should be standardized in order to
243    avoid conflicts.
244  */
245 
246 #define RTPROT_GATED	8	/* Apparently, GateD */
247 #define RTPROT_RA	9	/* RDISC/ND router advertisements */
248 #define RTPROT_MRT	10	/* Merit MRT */
249 #define RTPROT_ZEBRA	11	/* Zebra */
250 #define RTPROT_BIRD	12	/* BIRD */
251 #define RTPROT_DNROUTED	13	/* DECnet routing daemon */
252 #define RTPROT_XORP	14	/* XORP */
253 #define RTPROT_NTK	15	/* Netsukuku */
254 #define RTPROT_DHCP	16      /* DHCP client */
255 #define RTPROT_MROUTED	17      /* Multicast daemon */
256 #define RTPROT_BABEL	42      /* Babel daemon */
257 
258 /* rtm_scope
259 
260    Really it is not scope, but sort of distance to the destination.
261    NOWHERE are reserved for not existing destinations, HOST is our
262    local addresses, LINK are destinations, located on directly attached
263    link and UNIVERSE is everywhere in the Universe.
264 
265    Intermediate values are also possible f.e. interior routes
266    could be assigned a value between UNIVERSE and LINK.
267 */
268 
269 enum rt_scope_t {
270 	RT_SCOPE_UNIVERSE=0,
271 /* User defined values  */
272 	RT_SCOPE_SITE=200,
273 	RT_SCOPE_LINK=253,
274 	RT_SCOPE_HOST=254,
275 	RT_SCOPE_NOWHERE=255
276 };
277 
278 /* rtm_flags */
279 
280 #define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
281 #define RTM_F_CLONED		0x200	/* This route is cloned		*/
282 #define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
283 #define RTM_F_PREFIX		0x800	/* Prefix addresses		*/
284 #define RTM_F_LOOKUP_TABLE	0x1000	/* set rtm_table to FIB lookup result */
285 #define RTM_F_FIB_MATCH	        0x2000	/* return full fib lookup match */
286 
287 /* Reserved table identifiers */
288 
289 enum rt_class_t {
290 	RT_TABLE_UNSPEC=0,
291 /* User defined values */
292 	RT_TABLE_COMPAT=252,
293 	RT_TABLE_DEFAULT=253,
294 	RT_TABLE_MAIN=254,
295 	RT_TABLE_LOCAL=255,
296 	RT_TABLE_MAX=0xFFFFFFFF
297 };
298 
299 
300 /* Routing message attributes */
301 
302 enum rtattr_type_t {
303 	RTA_UNSPEC,
304 	RTA_DST,
305 	RTA_SRC,
306 	RTA_IIF,
307 	RTA_OIF,
308 	RTA_GATEWAY,
309 	RTA_PRIORITY,
310 	RTA_PREFSRC,
311 	RTA_METRICS,
312 	RTA_MULTIPATH,
313 	RTA_PROTOINFO, /* no longer used */
314 	RTA_FLOW,
315 	RTA_CACHEINFO,
316 	RTA_SESSION, /* no longer used */
317 	RTA_MP_ALGO, /* no longer used */
318 	RTA_TABLE,
319 	RTA_MARK,
320 	RTA_MFC_STATS,
321 	RTA_VIA,
322 	RTA_NEWDST,
323 	RTA_PREF,
324 	RTA_ENCAP_TYPE,
325 	RTA_ENCAP,
326 	RTA_EXPIRES,
327 	RTA_PAD,
328 	RTA_UID,
329 	RTA_TTL_PROPAGATE,
330 	RTA_IP_PROTO,
331 	RTA_SPORT,
332 	RTA_DPORT,
333 	__RTA_MAX
334 };
335 
336 #define RTA_MAX (__RTA_MAX - 1)
337 
338 #define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
339 #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
340 
341 /* RTM_MULTIPATH --- array of struct rtnexthop.
342  *
343  * "struct rtnexthop" describes all necessary nexthop information,
344  * i.e. parameters of path to a destination via this nexthop.
345  *
346  * At the moment it is impossible to set different prefsrc, mtu, window
347  * and rtt for different paths from multipath.
348  */
349 
350 struct rtnexthop {
351 	unsigned short		rtnh_len;
352 	unsigned char		rtnh_flags;
353 	unsigned char		rtnh_hops;
354 	int			rtnh_ifindex;
355 };
356 
357 /* rtnh_flags */
358 
359 #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
360 #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
361 #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
362 #define RTNH_F_OFFLOAD		8	/* offloaded route */
363 #define RTNH_F_LINKDOWN		16	/* carrier-down on nexthop */
364 #define RTNH_F_UNRESOLVED	32	/* The entry is unresolved (ipmr) */
365 
366 #define RTNH_COMPARE_MASK	(RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD)
367 
368 /* Macros to handle hexthops */
369 
370 #define RTNH_ALIGNTO	4
371 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
372 #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
373 			   ((int)(rtnh)->rtnh_len) <= (len))
374 #define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
375 #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
376 #define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
377 #define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
378 
379 /* RTA_VIA */
380 struct rtvia {
381 	__kernel_sa_family_t	rtvia_family;
382 	__u8			rtvia_addr[0];
383 };
384 
385 /* RTM_CACHEINFO */
386 
387 struct rta_cacheinfo {
388 	__u32	rta_clntref;
389 	__u32	rta_lastuse;
390 	__s32	rta_expires;
391 	__u32	rta_error;
392 	__u32	rta_used;
393 
394 #define RTNETLINK_HAVE_PEERINFO 1
395 	__u32	rta_id;
396 	__u32	rta_ts;
397 	__u32	rta_tsage;
398 };
399 
400 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
401 
402 enum {
403 	RTAX_UNSPEC,
404 #define RTAX_UNSPEC RTAX_UNSPEC
405 	RTAX_LOCK,
406 #define RTAX_LOCK RTAX_LOCK
407 	RTAX_MTU,
408 #define RTAX_MTU RTAX_MTU
409 	RTAX_WINDOW,
410 #define RTAX_WINDOW RTAX_WINDOW
411 	RTAX_RTT,
412 #define RTAX_RTT RTAX_RTT
413 	RTAX_RTTVAR,
414 #define RTAX_RTTVAR RTAX_RTTVAR
415 	RTAX_SSTHRESH,
416 #define RTAX_SSTHRESH RTAX_SSTHRESH
417 	RTAX_CWND,
418 #define RTAX_CWND RTAX_CWND
419 	RTAX_ADVMSS,
420 #define RTAX_ADVMSS RTAX_ADVMSS
421 	RTAX_REORDERING,
422 #define RTAX_REORDERING RTAX_REORDERING
423 	RTAX_HOPLIMIT,
424 #define RTAX_HOPLIMIT RTAX_HOPLIMIT
425 	RTAX_INITCWND,
426 #define RTAX_INITCWND RTAX_INITCWND
427 	RTAX_FEATURES,
428 #define RTAX_FEATURES RTAX_FEATURES
429 	RTAX_RTO_MIN,
430 #define RTAX_RTO_MIN RTAX_RTO_MIN
431 	RTAX_INITRWND,
432 #define RTAX_INITRWND RTAX_INITRWND
433 	RTAX_QUICKACK,
434 #define RTAX_QUICKACK RTAX_QUICKACK
435 	RTAX_CC_ALGO,
436 #define RTAX_CC_ALGO RTAX_CC_ALGO
437 	RTAX_FASTOPEN_NO_COOKIE,
438 #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
439 	__RTAX_MAX
440 };
441 
442 #define RTAX_MAX (__RTAX_MAX - 1)
443 
444 #define RTAX_FEATURE_ECN	(1 << 0)
445 #define RTAX_FEATURE_SACK	(1 << 1)
446 #define RTAX_FEATURE_TIMESTAMP	(1 << 2)
447 #define RTAX_FEATURE_ALLFRAG	(1 << 3)
448 
449 #define RTAX_FEATURE_MASK	(RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
450 				 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
451 
452 struct rta_session {
453 	__u8	proto;
454 	__u8	pad1;
455 	__u16	pad2;
456 
457 	union {
458 		struct {
459 			__u16	sport;
460 			__u16	dport;
461 		} ports;
462 
463 		struct {
464 			__u8	type;
465 			__u8	code;
466 			__u16	ident;
467 		} icmpt;
468 
469 		__u32		spi;
470 	} u;
471 };
472 
473 struct rta_mfc_stats {
474 	__u64	mfcs_packets;
475 	__u64	mfcs_bytes;
476 	__u64	mfcs_wrong_if;
477 };
478 
479 /****
480  *		General form of address family dependent message.
481  ****/
482 
483 struct rtgenmsg {
484 	unsigned char		rtgen_family;
485 };
486 
487 /*****************************************************************
488  *		Link layer specific messages.
489  ****/
490 
491 /* struct ifinfomsg
492  * passes link level specific information, not dependent
493  * on network protocol.
494  */
495 
496 struct ifinfomsg {
497 	unsigned char	ifi_family;
498 	unsigned char	__ifi_pad;
499 	unsigned short	ifi_type;		/* ARPHRD_* */
500 	int		ifi_index;		/* Link index	*/
501 	unsigned	ifi_flags;		/* IFF_* flags	*/
502 	unsigned	ifi_change;		/* IFF_* change mask */
503 };
504 
505 /********************************************************************
506  *		prefix information
507  ****/
508 
509 struct prefixmsg {
510 	unsigned char	prefix_family;
511 	unsigned char	prefix_pad1;
512 	unsigned short	prefix_pad2;
513 	int		prefix_ifindex;
514 	unsigned char	prefix_type;
515 	unsigned char	prefix_len;
516 	unsigned char	prefix_flags;
517 	unsigned char	prefix_pad3;
518 };
519 
520 enum
521 {
522 	PREFIX_UNSPEC,
523 	PREFIX_ADDRESS,
524 	PREFIX_CACHEINFO,
525 	__PREFIX_MAX
526 };
527 
528 #define PREFIX_MAX	(__PREFIX_MAX - 1)
529 
530 struct prefix_cacheinfo {
531 	__u32	preferred_time;
532 	__u32	valid_time;
533 };
534 
535 
536 /*****************************************************************
537  *		Traffic control messages.
538  ****/
539 
540 struct tcmsg {
541 	unsigned char	tcm_family;
542 	unsigned char	tcm__pad1;
543 	unsigned short	tcm__pad2;
544 	int		tcm_ifindex;
545 	__u32		tcm_handle;
546 	__u32		tcm_parent;
547 /* tcm_block_index is used instead of tcm_parent
548  * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
549  */
550 #define tcm_block_index tcm_parent
551 	__u32		tcm_info;
552 };
553 
554 /* For manipulation of filters in shared block, tcm_ifindex is set to
555  * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
556  * which is the block index.
557  */
558 #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
559 
560 enum {
561 	TCA_UNSPEC,
562 	TCA_KIND,
563 	TCA_OPTIONS,
564 	TCA_STATS,
565 	TCA_XSTATS,
566 	TCA_RATE,
567 	TCA_FCNT,
568 	TCA_STATS2,
569 	TCA_STAB,
570 	TCA_PAD,
571 	TCA_DUMP_INVISIBLE,
572 	TCA_CHAIN,
573 	TCA_HW_OFFLOAD,
574 	TCA_INGRESS_BLOCK,
575 	TCA_EGRESS_BLOCK,
576 	__TCA_MAX
577 };
578 
579 #define TCA_MAX (__TCA_MAX - 1)
580 
581 #define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
582 #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
583 
584 /********************************************************************
585  *		Neighbor Discovery userland options
586  ****/
587 
588 struct nduseroptmsg {
589 	unsigned char	nduseropt_family;
590 	unsigned char	nduseropt_pad1;
591 	unsigned short	nduseropt_opts_len;	/* Total length of options */
592 	int		nduseropt_ifindex;
593 	__u8		nduseropt_icmp_type;
594 	__u8		nduseropt_icmp_code;
595 	unsigned short	nduseropt_pad2;
596 	unsigned int	nduseropt_pad3;
597 	/* Followed by one or more ND options */
598 };
599 
600 enum {
601 	NDUSEROPT_UNSPEC,
602 	NDUSEROPT_SRCADDR,
603 	__NDUSEROPT_MAX
604 };
605 
606 #define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
607 
608 #ifndef __KERNEL__
609 /* RTnetlink multicast groups - backwards compatibility for userspace */
610 #define RTMGRP_LINK		1
611 #define RTMGRP_NOTIFY		2
612 #define RTMGRP_NEIGH		4
613 #define RTMGRP_TC		8
614 
615 #define RTMGRP_IPV4_IFADDR	0x10
616 #define RTMGRP_IPV4_MROUTE	0x20
617 #define RTMGRP_IPV4_ROUTE	0x40
618 #define RTMGRP_IPV4_RULE	0x80
619 
620 #define RTMGRP_IPV6_IFADDR	0x100
621 #define RTMGRP_IPV6_MROUTE	0x200
622 #define RTMGRP_IPV6_ROUTE	0x400
623 #define RTMGRP_IPV6_IFINFO	0x800
624 
625 #define RTMGRP_DECnet_IFADDR    0x1000
626 #define RTMGRP_DECnet_ROUTE     0x4000
627 
628 #define RTMGRP_IPV6_PREFIX	0x20000
629 #endif
630 
631 /* RTnetlink multicast groups */
632 enum rtnetlink_groups {
633 	RTNLGRP_NONE,
634 #define RTNLGRP_NONE		RTNLGRP_NONE
635 	RTNLGRP_LINK,
636 #define RTNLGRP_LINK		RTNLGRP_LINK
637 	RTNLGRP_NOTIFY,
638 #define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
639 	RTNLGRP_NEIGH,
640 #define RTNLGRP_NEIGH		RTNLGRP_NEIGH
641 	RTNLGRP_TC,
642 #define RTNLGRP_TC		RTNLGRP_TC
643 	RTNLGRP_IPV4_IFADDR,
644 #define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
645 	RTNLGRP_IPV4_MROUTE,
646 #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
647 	RTNLGRP_IPV4_ROUTE,
648 #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
649 	RTNLGRP_IPV4_RULE,
650 #define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
651 	RTNLGRP_IPV6_IFADDR,
652 #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
653 	RTNLGRP_IPV6_MROUTE,
654 #define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
655 	RTNLGRP_IPV6_ROUTE,
656 #define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
657 	RTNLGRP_IPV6_IFINFO,
658 #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
659 	RTNLGRP_DECnet_IFADDR,
660 #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
661 	RTNLGRP_NOP2,
662 	RTNLGRP_DECnet_ROUTE,
663 #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
664 	RTNLGRP_DECnet_RULE,
665 #define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
666 	RTNLGRP_NOP4,
667 	RTNLGRP_IPV6_PREFIX,
668 #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
669 	RTNLGRP_IPV6_RULE,
670 #define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
671 	RTNLGRP_ND_USEROPT,
672 #define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
673 	RTNLGRP_PHONET_IFADDR,
674 #define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
675 	RTNLGRP_PHONET_ROUTE,
676 #define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
677 	RTNLGRP_DCB,
678 #define RTNLGRP_DCB		RTNLGRP_DCB
679 	RTNLGRP_IPV4_NETCONF,
680 #define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
681 	RTNLGRP_IPV6_NETCONF,
682 #define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
683 	RTNLGRP_MDB,
684 #define RTNLGRP_MDB		RTNLGRP_MDB
685 	RTNLGRP_MPLS_ROUTE,
686 #define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
687 	RTNLGRP_NSID,
688 #define RTNLGRP_NSID		RTNLGRP_NSID
689 	RTNLGRP_MPLS_NETCONF,
690 #define RTNLGRP_MPLS_NETCONF	RTNLGRP_MPLS_NETCONF
691 	RTNLGRP_IPV4_MROUTE_R,
692 #define RTNLGRP_IPV4_MROUTE_R	RTNLGRP_IPV4_MROUTE_R
693 	RTNLGRP_IPV6_MROUTE_R,
694 #define RTNLGRP_IPV6_MROUTE_R	RTNLGRP_IPV6_MROUTE_R
695 	__RTNLGRP_MAX
696 };
697 #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
698 
699 /* TC action piece */
700 struct tcamsg {
701 	unsigned char	tca_family;
702 	unsigned char	tca__pad1;
703 	unsigned short	tca__pad2;
704 };
705 
706 enum {
707 	TCA_ROOT_UNSPEC,
708 	TCA_ROOT_TAB,
709 #define TCA_ACT_TAB TCA_ROOT_TAB
710 #define TCAA_MAX TCA_ROOT_TAB
711 	TCA_ROOT_FLAGS,
712 	TCA_ROOT_COUNT,
713 	TCA_ROOT_TIME_DELTA, /* in msecs */
714 	__TCA_ROOT_MAX,
715 #define	TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
716 };
717 
718 #define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
719 #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
720 /* tcamsg flags stored in attribute TCA_ROOT_FLAGS
721  *
722  * TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO
723  * actions in a dump. All dump responses will contain the number of actions
724  * being dumped stored in for user app's consumption in TCA_ROOT_COUNT
725  *
726  */
727 #define TCA_FLAG_LARGE_DUMP_ON		(1 << 0)
728 
729 /* New extended info filters for IFLA_EXT_MASK */
730 #define RTEXT_FILTER_VF		(1 << 0)
731 #define RTEXT_FILTER_BRVLAN	(1 << 1)
732 #define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
733 #define	RTEXT_FILTER_SKIP_STATS	(1 << 3)
734 
735 /* End of information exported to user level */
736 
737 
738 
739 #endif /* _UAPI__LINUX_RTNETLINK_H */
740