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 | |
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 | /* RTnetlink multicast groups - backwards compatibility for userspace */ |
667 | #define RTMGRP_LINK 1 |
668 | #define RTMGRP_NOTIFY 2 |
669 | #define RTMGRP_NEIGH 4 |
670 | #define RTMGRP_TC 8 |
671 | |
672 | #define RTMGRP_IPV4_IFADDR 0x10 |
673 | #define RTMGRP_IPV4_MROUTE 0x20 |
674 | #define RTMGRP_IPV4_ROUTE 0x40 |
675 | #define RTMGRP_IPV4_RULE 0x80 |
676 | |
677 | #define RTMGRP_IPV6_IFADDR 0x100 |
678 | #define RTMGRP_IPV6_MROUTE 0x200 |
679 | #define RTMGRP_IPV6_ROUTE 0x400 |
680 | #define RTMGRP_IPV6_IFINFO 0x800 |
681 | |
682 | #define RTMGRP_DECnet_IFADDR 0x1000 |
683 | #define RTMGRP_DECnet_ROUTE 0x4000 |
684 | |
685 | #define RTMGRP_IPV6_PREFIX 0x20000 |
686 | |
687 | /* RTnetlink multicast groups */ |
688 | enum rtnetlink_groups { |
689 | RTNLGRP_NONE, |
690 | #define RTNLGRP_NONE RTNLGRP_NONE |
691 | RTNLGRP_LINK, |
692 | #define RTNLGRP_LINK RTNLGRP_LINK |
693 | RTNLGRP_NOTIFY, |
694 | #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY |
695 | RTNLGRP_NEIGH, |
696 | #define RTNLGRP_NEIGH RTNLGRP_NEIGH |
697 | RTNLGRP_TC, |
698 | #define RTNLGRP_TC RTNLGRP_TC |
699 | RTNLGRP_IPV4_IFADDR, |
700 | #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR |
701 | RTNLGRP_IPV4_MROUTE, |
702 | #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE |
703 | RTNLGRP_IPV4_ROUTE, |
704 | #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE |
705 | RTNLGRP_IPV4_RULE, |
706 | #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE |
707 | RTNLGRP_IPV6_IFADDR, |
708 | #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR |
709 | RTNLGRP_IPV6_MROUTE, |
710 | #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE |
711 | RTNLGRP_IPV6_ROUTE, |
712 | #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE |
713 | RTNLGRP_IPV6_IFINFO, |
714 | #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO |
715 | RTNLGRP_DECnet_IFADDR, |
716 | #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR |
717 | RTNLGRP_NOP2, |
718 | RTNLGRP_DECnet_ROUTE, |
719 | #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE |
720 | RTNLGRP_DECnet_RULE, |
721 | #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE |
722 | RTNLGRP_NOP4, |
723 | RTNLGRP_IPV6_PREFIX, |
724 | #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX |
725 | RTNLGRP_IPV6_RULE, |
726 | #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE |
727 | RTNLGRP_ND_USEROPT, |
728 | #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT |
729 | RTNLGRP_PHONET_IFADDR, |
730 | #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR |
731 | RTNLGRP_PHONET_ROUTE, |
732 | #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE |
733 | RTNLGRP_DCB, |
734 | #define RTNLGRP_DCB RTNLGRP_DCB |
735 | RTNLGRP_IPV4_NETCONF, |
736 | #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF |
737 | RTNLGRP_IPV6_NETCONF, |
738 | #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF |
739 | RTNLGRP_MDB, |
740 | #define RTNLGRP_MDB RTNLGRP_MDB |
741 | RTNLGRP_MPLS_ROUTE, |
742 | #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE |
743 | RTNLGRP_NSID, |
744 | #define RTNLGRP_NSID RTNLGRP_NSID |
745 | RTNLGRP_MPLS_NETCONF, |
746 | #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF |
747 | RTNLGRP_IPV4_MROUTE_R, |
748 | #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R |
749 | RTNLGRP_IPV6_MROUTE_R, |
750 | #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R |
751 | RTNLGRP_NEXTHOP, |
752 | #define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP |
753 | RTNLGRP_BRVLAN, |
754 | #define RTNLGRP_BRVLAN RTNLGRP_BRVLAN |
755 | __RTNLGRP_MAX |
756 | }; |
757 | #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) |
758 | |
759 | /* TC action piece */ |
760 | struct tcamsg { |
761 | unsigned char tca_family; |
762 | unsigned char tca__pad1; |
763 | unsigned short tca__pad2; |
764 | }; |
765 | |
766 | enum { |
767 | TCA_ROOT_UNSPEC, |
768 | TCA_ROOT_TAB, |
769 | #define TCA_ACT_TAB TCA_ROOT_TAB |
770 | #define TCAA_MAX TCA_ROOT_TAB |
771 | TCA_ROOT_FLAGS, |
772 | TCA_ROOT_COUNT, |
773 | TCA_ROOT_TIME_DELTA, /* in msecs */ |
774 | __TCA_ROOT_MAX, |
775 | #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) |
776 | }; |
777 | |
778 | #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) |
779 | #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) |
780 | /* tcamsg flags stored in attribute TCA_ROOT_FLAGS |
781 | * |
782 | * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than |
783 | * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the |
784 | * number of actions being dumped stored in for user app's consumption in |
785 | * TCA_ROOT_COUNT |
786 | * |
787 | * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only |
788 | * includes essential action info (kind, index, etc.) |
789 | * |
790 | */ |
791 | #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) |
792 | #define TCA_ACT_FLAG_LARGE_DUMP_ON TCA_FLAG_LARGE_DUMP_ON |
793 | #define TCA_ACT_FLAG_TERSE_DUMP (1 << 1) |
794 | |
795 | /* New extended info filters for IFLA_EXT_MASK */ |
796 | #define RTEXT_FILTER_VF (1 << 0) |
797 | #define RTEXT_FILTER_BRVLAN (1 << 1) |
798 | #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) |
799 | #define RTEXT_FILTER_SKIP_STATS (1 << 3) |
800 | #define RTEXT_FILTER_MRP (1 << 4) |
801 | #define RTEXT_FILTER_CFM_CONFIG (1 << 5) |
802 | #define RTEXT_FILTER_CFM_STATUS (1 << 6) |
803 | |
804 | /* End of information exported to user level */ |
805 | |
806 | |
807 | |
808 | #endif /* __LINUX_RTNETLINK_H */ |
809 | |