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