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