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ba914908 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
910773dc SH |
2 | #ifndef __LINUX_RTNETLINK_H |
3 | #define __LINUX_RTNETLINK_H | |
0633baa1 | 4 | |
67881151 | 5 | #include <linux/types.h> |
0633baa1 | 6 | #include <linux/netlink.h> |
ead2ba70 | 7 | #include <linux/if_link.h> |
5a8ba228 SH |
8 | #include <linux/if_addr.h> |
9 | #include <linux/neighbour.h> | |
0633baa1 | 10 | |
b4397f58 SH |
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 | ||
0633baa1 SH |
18 | /**** |
19 | * Routing/neighbour discovery messages. | |
20 | ****/ | |
21 | ||
22 | /* Types of messages */ | |
23 | ||
091ed219 SH |
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 | |
091ed219 SH |
95 | |
96 | RTM_GETMULTICAST = 58, | |
97 | #define RTM_GETMULTICAST RTM_GETMULTICAST | |
98 | ||
99 | RTM_GETANYCAST = 62, | |
100 | #define RTM_GETANYCAST RTM_GETANYCAST | |
101 | ||
ea8fc104 SH |
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 | ||
5472ac6f SH |
109 | RTM_NEWNDUSEROPT = 68, |
110 | #define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT | |
111 | ||
70e6e38a SH |
112 | RTM_NEWADDRLABEL = 72, |
113 | #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL | |
114 | RTM_DELADDRLABEL, | |
8007bfb5 | 115 | #define RTM_DELADDRLABEL RTM_DELADDRLABEL |
70e6e38a SH |
116 | RTM_GETADDRLABEL, |
117 | #define RTM_GETADDRLABEL RTM_GETADDRLABEL | |
118 | ||
67881151 SH |
119 | RTM_GETDCB = 78, |
120 | #define RTM_GETDCB RTM_GETDCB | |
121 | RTM_SETDCB, | |
122 | #define RTM_SETDCB RTM_SETDCB | |
123 | ||
910773dc SH |
124 | RTM_NEWNETCONF = 80, |
125 | #define RTM_NEWNETCONF RTM_NEWNETCONF | |
45f78b4d SH |
126 | RTM_DELNETCONF, |
127 | #define RTM_DELNETCONF RTM_DELNETCONF | |
910773dc SH |
128 | RTM_GETNETCONF = 82, |
129 | #define RTM_GETNETCONF RTM_GETNETCONF | |
130 | ||
9dca6767 CW |
131 | RTM_NEWMDB = 84, |
132 | #define RTM_NEWMDB RTM_NEWMDB | |
133 | RTM_DELMDB = 85, | |
134 | #define RTM_DELMDB RTM_DELMDB | |
910773dc SH |
135 | RTM_GETMDB = 86, |
136 | #define RTM_GETMDB RTM_GETMDB | |
137 | ||
8c58d403 SH |
138 | RTM_NEWNSID = 88, |
139 | #define RTM_NEWNSID RTM_NEWNSID | |
e46efaed SH |
140 | RTM_DELNSID = 89, |
141 | #define RTM_DELNSID RTM_DELNSID | |
8c58d403 SH |
142 | RTM_GETNSID = 90, |
143 | #define RTM_GETNSID RTM_GETNSID | |
144 | ||
32c0b9b7 SH |
145 | RTM_NEWSTATS = 92, |
146 | #define RTM_NEWSTATS RTM_NEWSTATS | |
147 | RTM_GETSTATS = 94, | |
148 | #define RTM_GETSTATS RTM_GETSTATS | |
149 | ||
35a004dc SH |
150 | RTM_NEWCACHEREPORT = 96, |
151 | #define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT | |
152 | ||
8b099da5 DA |
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 | ||
ea8fc104 SH |
160 | __RTM_MAX, |
161 | #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) | |
091ed219 | 162 | }; |
0633baa1 | 163 | |
ea8fc104 SH |
164 | #define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) |
165 | #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) | |
166 | #define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) | |
167 | ||
0633baa1 SH |
168 | /* |
169 | Generic structure for encapsulation of optional route information. | |
170 | It is reminiscent of sockaddr, but with sa_family replaced | |
171 | with attribute type. | |
172 | */ | |
173 | ||
ab322673 | 174 | struct rtattr { |
0633baa1 SH |
175 | unsigned short rta_len; |
176 | unsigned short rta_type; | |
177 | }; | |
178 | ||
179 | /* Macros to handle rtattributes */ | |
180 | ||
89bb4c6a | 181 | #define RTA_ALIGNTO 4U |
0633baa1 SH |
182 | #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) |
183 | #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ | |
184 | (rta)->rta_len >= sizeof(struct rtattr) && \ | |
185 | (rta)->rta_len <= (len)) | |
186 | #define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ | |
187 | (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) | |
188 | #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) | |
189 | #define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) | |
190 | #define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) | |
191 | #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) | |
192 | ||
193 | ||
194 | ||
195 | ||
196 | /****************************************************************************** | |
197 | * Definitions used in routing table administration. | |
198 | ****/ | |
199 | ||
ab322673 | 200 | struct rtmsg { |
0633baa1 SH |
201 | unsigned char rtm_family; |
202 | unsigned char rtm_dst_len; | |
203 | unsigned char rtm_src_len; | |
204 | unsigned char rtm_tos; | |
205 | ||
206 | unsigned char rtm_table; /* Routing table id */ | |
207 | unsigned char rtm_protocol; /* Routing protocol; see below */ | |
208 | unsigned char rtm_scope; /* See below */ | |
209 | unsigned char rtm_type; /* See below */ | |
210 | ||
211 | unsigned rtm_flags; | |
212 | }; | |
213 | ||
214 | /* rtm_type */ | |
215 | ||
ab322673 | 216 | enum { |
0633baa1 SH |
217 | RTN_UNSPEC, |
218 | RTN_UNICAST, /* Gateway or direct route */ | |
219 | RTN_LOCAL, /* Accept locally */ | |
220 | RTN_BROADCAST, /* Accept locally as broadcast, | |
221 | send as broadcast */ | |
222 | RTN_ANYCAST, /* Accept locally as broadcast, | |
223 | but send as unicast */ | |
224 | RTN_MULTICAST, /* Multicast route */ | |
225 | RTN_BLACKHOLE, /* Drop */ | |
226 | RTN_UNREACHABLE, /* Destination is unreachable */ | |
227 | RTN_PROHIBIT, /* Administratively prohibited */ | |
228 | RTN_THROW, /* Not in this table */ | |
229 | RTN_NAT, /* Translate this address */ | |
230 | RTN_XRESOLVE, /* Use external resolver */ | |
231 | __RTN_MAX | |
232 | }; | |
233 | ||
234 | #define RTN_MAX (__RTN_MAX - 1) | |
235 | ||
236 | ||
237 | /* rtm_protocol */ | |
238 | ||
239 | #define RTPROT_UNSPEC 0 | |
240 | #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; | |
241 | not used by current IPv4 */ | |
242 | #define RTPROT_KERNEL 2 /* Route installed by kernel */ | |
243 | #define RTPROT_BOOT 3 /* Route installed during boot */ | |
244 | #define RTPROT_STATIC 4 /* Route installed by administrator */ | |
245 | ||
246 | /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; | |
247 | they are just passed from user and back as is. | |
248 | It will be used by hypothetical multiple routing daemons. | |
249 | Note that protocol values should be standardized in order to | |
250 | avoid conflicts. | |
251 | */ | |
252 | ||
253 | #define RTPROT_GATED 8 /* Apparently, GateD */ | |
254 | #define RTPROT_RA 9 /* RDISC/ND router advertisements */ | |
255 | #define RTPROT_MRT 10 /* Merit MRT */ | |
256 | #define RTPROT_ZEBRA 11 /* Zebra */ | |
257 | #define RTPROT_BIRD 12 /* BIRD */ | |
258 | #define RTPROT_DNROUTED 13 /* DECnet routing daemon */ | |
259 | #define RTPROT_XORP 14 /* XORP */ | |
40b6c62c | 260 | #define RTPROT_NTK 15 /* Netsukuku */ |
67881151 | 261 | #define RTPROT_DHCP 16 /* DHCP client */ |
910773dc | 262 | #define RTPROT_MROUTED 17 /* Multicast daemon */ |
1fa804e0 | 263 | #define RTPROT_BABEL 42 /* Babel daemon */ |
776f1813 SH |
264 | #define RTPROT_BGP 186 /* BGP Routes */ |
265 | #define RTPROT_ISIS 187 /* ISIS Routes */ | |
266 | #define RTPROT_OSPF 188 /* OSPF Routes */ | |
267 | #define RTPROT_RIP 189 /* RIP Routes */ | |
268 | #define RTPROT_EIGRP 192 /* EIGRP Routes */ | |
1fa804e0 | 269 | |
0633baa1 SH |
270 | /* rtm_scope |
271 | ||
272 | Really it is not scope, but sort of distance to the destination. | |
273 | NOWHERE are reserved for not existing destinations, HOST is our | |
274 | local addresses, LINK are destinations, located on directly attached | |
275 | link and UNIVERSE is everywhere in the Universe. | |
276 | ||
277 | Intermediate values are also possible f.e. interior routes | |
278 | could be assigned a value between UNIVERSE and LINK. | |
279 | */ | |
280 | ||
ab322673 | 281 | enum rt_scope_t { |
0633baa1 SH |
282 | RT_SCOPE_UNIVERSE=0, |
283 | /* User defined values */ | |
284 | RT_SCOPE_SITE=200, | |
285 | RT_SCOPE_LINK=253, | |
286 | RT_SCOPE_HOST=254, | |
287 | RT_SCOPE_NOWHERE=255 | |
288 | }; | |
289 | ||
290 | /* rtm_flags */ | |
291 | ||
292 | #define RTM_F_NOTIFY 0x100 /* Notify user of route change */ | |
293 | #define RTM_F_CLONED 0x200 /* This route is cloned */ | |
294 | #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ | |
295 | #define RTM_F_PREFIX 0x800 /* Prefix addresses */ | |
4e39bfb9 | 296 | #define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ |
0071f3d0 | 297 | #define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */ |
0633baa1 SH |
298 | |
299 | /* Reserved table identifiers */ | |
300 | ||
ab322673 | 301 | enum rt_class_t { |
0633baa1 SH |
302 | RT_TABLE_UNSPEC=0, |
303 | /* User defined values */ | |
3ea2fb98 | 304 | RT_TABLE_COMPAT=252, |
0633baa1 SH |
305 | RT_TABLE_DEFAULT=253, |
306 | RT_TABLE_MAIN=254, | |
307 | RT_TABLE_LOCAL=255, | |
ead2ba70 | 308 | RT_TABLE_MAX=0xFFFFFFFF |
0633baa1 | 309 | }; |
0633baa1 SH |
310 | |
311 | ||
312 | /* Routing message attributes */ | |
313 | ||
ab322673 | 314 | enum rtattr_type_t { |
0633baa1 SH |
315 | RTA_UNSPEC, |
316 | RTA_DST, | |
317 | RTA_SRC, | |
318 | RTA_IIF, | |
319 | RTA_OIF, | |
320 | RTA_GATEWAY, | |
321 | RTA_PRIORITY, | |
322 | RTA_PREFSRC, | |
323 | RTA_METRICS, | |
324 | RTA_MULTIPATH, | |
3ea2fb98 | 325 | RTA_PROTOINFO, /* no longer used */ |
0633baa1 SH |
326 | RTA_FLOW, |
327 | RTA_CACHEINFO, | |
3ea2fb98 | 328 | RTA_SESSION, /* no longer used */ |
a6ffa8b0 | 329 | RTA_MP_ALGO, /* no longer used */ |
34e95647 | 330 | RTA_TABLE, |
04a9fc0a | 331 | RTA_MARK, |
910773dc | 332 | RTA_MFC_STATS, |
61333d24 SH |
333 | RTA_VIA, |
334 | RTA_NEWDST, | |
335 | RTA_PREF, | |
a3563ede SH |
336 | RTA_ENCAP_TYPE, |
337 | RTA_ENCAP, | |
741c20b0 | 338 | RTA_EXPIRES, |
32c0b9b7 | 339 | RTA_PAD, |
1a97748b | 340 | RTA_UID, |
2099b983 | 341 | RTA_TTL_PROPAGATE, |
57ac202c DA |
342 | RTA_IP_PROTO, |
343 | RTA_SPORT, | |
344 | RTA_DPORT, | |
0633baa1 SH |
345 | __RTA_MAX |
346 | }; | |
347 | ||
348 | #define RTA_MAX (__RTA_MAX - 1) | |
349 | ||
350 | #define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) | |
351 | #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) | |
352 | ||
353 | /* RTM_MULTIPATH --- array of struct rtnexthop. | |
354 | * | |
355 | * "struct rtnexthop" describes all necessary nexthop information, | |
356 | * i.e. parameters of path to a destination via this nexthop. | |
357 | * | |
358 | * At the moment it is impossible to set different prefsrc, mtu, window | |
359 | * and rtt for different paths from multipath. | |
360 | */ | |
361 | ||
ab322673 | 362 | struct rtnexthop { |
0633baa1 SH |
363 | unsigned short rtnh_len; |
364 | unsigned char rtnh_flags; | |
365 | unsigned char rtnh_hops; | |
366 | int rtnh_ifindex; | |
367 | }; | |
368 | ||
369 | /* rtnh_flags */ | |
370 | ||
371 | #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ | |
372 | #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ | |
373 | #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ | |
ebfe4922 | 374 | #define RTNH_F_OFFLOAD 8 /* offloaded route */ |
ff631c3a | 375 | #define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */ |
e467a283 | 376 | #define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */ |
ff631c3a | 377 | |
1a97748b | 378 | #define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD) |
0633baa1 SH |
379 | |
380 | /* Macros to handle hexthops */ | |
381 | ||
382 | #define RTNH_ALIGNTO 4 | |
383 | #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) | |
384 | #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ | |
385 | ((int)(rtnh)->rtnh_len) <= (len)) | |
386 | #define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) | |
387 | #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) | |
388 | #define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) | |
389 | #define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) | |
390 | ||
61333d24 SH |
391 | /* RTA_VIA */ |
392 | struct rtvia { | |
393 | __kernel_sa_family_t rtvia_family; | |
394 | __u8 rtvia_addr[0]; | |
395 | }; | |
396 | ||
0633baa1 SH |
397 | /* RTM_CACHEINFO */ |
398 | ||
ab322673 | 399 | struct rta_cacheinfo { |
0633baa1 SH |
400 | __u32 rta_clntref; |
401 | __u32 rta_lastuse; | |
402 | __s32 rta_expires; | |
403 | __u32 rta_error; | |
404 | __u32 rta_used; | |
405 | ||
406 | #define RTNETLINK_HAVE_PEERINFO 1 | |
407 | __u32 rta_id; | |
408 | __u32 rta_ts; | |
409 | __u32 rta_tsage; | |
410 | }; | |
411 | ||
412 | /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ | |
413 | ||
ab322673 | 414 | enum { |
0633baa1 SH |
415 | RTAX_UNSPEC, |
416 | #define RTAX_UNSPEC RTAX_UNSPEC | |
417 | RTAX_LOCK, | |
418 | #define RTAX_LOCK RTAX_LOCK | |
419 | RTAX_MTU, | |
420 | #define RTAX_MTU RTAX_MTU | |
421 | RTAX_WINDOW, | |
422 | #define RTAX_WINDOW RTAX_WINDOW | |
423 | RTAX_RTT, | |
424 | #define RTAX_RTT RTAX_RTT | |
425 | RTAX_RTTVAR, | |
426 | #define RTAX_RTTVAR RTAX_RTTVAR | |
427 | RTAX_SSTHRESH, | |
428 | #define RTAX_SSTHRESH RTAX_SSTHRESH | |
429 | RTAX_CWND, | |
430 | #define RTAX_CWND RTAX_CWND | |
431 | RTAX_ADVMSS, | |
432 | #define RTAX_ADVMSS RTAX_ADVMSS | |
433 | RTAX_REORDERING, | |
434 | #define RTAX_REORDERING RTAX_REORDERING | |
435 | RTAX_HOPLIMIT, | |
436 | #define RTAX_HOPLIMIT RTAX_HOPLIMIT | |
437 | RTAX_INITCWND, | |
438 | #define RTAX_INITCWND RTAX_INITCWND | |
439 | RTAX_FEATURES, | |
440 | #define RTAX_FEATURES RTAX_FEATURES | |
dfd26e1c SH |
441 | RTAX_RTO_MIN, |
442 | #define RTAX_RTO_MIN RTAX_RTO_MIN | |
8ecdcce0 SH |
443 | RTAX_INITRWND, |
444 | #define RTAX_INITRWND RTAX_INITRWND | |
ecefa08c SH |
445 | RTAX_QUICKACK, |
446 | #define RTAX_QUICKACK RTAX_QUICKACK | |
f233410d SH |
447 | RTAX_CC_ALGO, |
448 | #define RTAX_CC_ALGO RTAX_CC_ALGO | |
7fde8cfd SH |
449 | RTAX_FASTOPEN_NO_COOKIE, |
450 | #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE | |
0633baa1 SH |
451 | __RTAX_MAX |
452 | }; | |
453 | ||
454 | #define RTAX_MAX (__RTAX_MAX - 1) | |
455 | ||
8d62f3e2 SH |
456 | #define RTAX_FEATURE_ECN (1 << 0) |
457 | #define RTAX_FEATURE_SACK (1 << 1) | |
458 | #define RTAX_FEATURE_TIMESTAMP (1 << 2) | |
459 | #define RTAX_FEATURE_ALLFRAG (1 << 3) | |
460 | ||
461 | #define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \ | |
462 | RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG) | |
0633baa1 | 463 | |
ab322673 | 464 | struct rta_session { |
0633baa1 | 465 | __u8 proto; |
6864c1e7 SH |
466 | __u8 pad1; |
467 | __u16 pad2; | |
0633baa1 SH |
468 | |
469 | union { | |
470 | struct { | |
471 | __u16 sport; | |
472 | __u16 dport; | |
473 | } ports; | |
474 | ||
475 | struct { | |
476 | __u8 type; | |
477 | __u8 code; | |
478 | __u16 ident; | |
479 | } icmpt; | |
480 | ||
481 | __u32 spi; | |
482 | } u; | |
483 | }; | |
484 | ||
910773dc SH |
485 | struct rta_mfc_stats { |
486 | __u64 mfcs_packets; | |
487 | __u64 mfcs_bytes; | |
488 | __u64 mfcs_wrong_if; | |
489 | }; | |
490 | ||
0633baa1 SH |
491 | /**** |
492 | * General form of address family dependent message. | |
493 | ****/ | |
494 | ||
ab322673 | 495 | struct rtgenmsg { |
0633baa1 SH |
496 | unsigned char rtgen_family; |
497 | }; | |
498 | ||
499 | /***************************************************************** | |
500 | * Link layer specific messages. | |
501 | ****/ | |
502 | ||
503 | /* struct ifinfomsg | |
504 | * passes link level specific information, not dependent | |
505 | * on network protocol. | |
506 | */ | |
507 | ||
ab322673 | 508 | struct ifinfomsg { |
0633baa1 SH |
509 | unsigned char ifi_family; |
510 | unsigned char __ifi_pad; | |
511 | unsigned short ifi_type; /* ARPHRD_* */ | |
512 | int ifi_index; /* Link index */ | |
513 | unsigned ifi_flags; /* IFF_* flags */ | |
514 | unsigned ifi_change; /* IFF_* change mask */ | |
515 | }; | |
516 | ||
517 | /******************************************************************** | |
518 | * prefix information | |
519 | ****/ | |
520 | ||
ab322673 | 521 | struct prefixmsg { |
0633baa1 | 522 | unsigned char prefix_family; |
6864c1e7 SH |
523 | unsigned char prefix_pad1; |
524 | unsigned short prefix_pad2; | |
0633baa1 SH |
525 | int prefix_ifindex; |
526 | unsigned char prefix_type; | |
527 | unsigned char prefix_len; | |
528 | unsigned char prefix_flags; | |
6864c1e7 | 529 | unsigned char prefix_pad3; |
0633baa1 SH |
530 | }; |
531 | ||
532 | enum | |
533 | { | |
534 | PREFIX_UNSPEC, | |
535 | PREFIX_ADDRESS, | |
536 | PREFIX_CACHEINFO, | |
537 | __PREFIX_MAX | |
538 | }; | |
539 | ||
540 | #define PREFIX_MAX (__PREFIX_MAX - 1) | |
541 | ||
ab322673 | 542 | struct prefix_cacheinfo { |
0633baa1 SH |
543 | __u32 preferred_time; |
544 | __u32 valid_time; | |
545 | }; | |
546 | ||
0633baa1 SH |
547 | |
548 | /***************************************************************** | |
549 | * Traffic control messages. | |
550 | ****/ | |
551 | ||
ab322673 | 552 | struct tcmsg { |
0633baa1 SH |
553 | unsigned char tcm_family; |
554 | unsigned char tcm__pad1; | |
555 | unsigned short tcm__pad2; | |
556 | int tcm_ifindex; | |
557 | __u32 tcm_handle; | |
558 | __u32 tcm_parent; | |
c0788a09 DA |
559 | /* tcm_block_index is used instead of tcm_parent |
560 | * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK | |
561 | */ | |
562 | #define tcm_block_index tcm_parent | |
0633baa1 SH |
563 | __u32 tcm_info; |
564 | }; | |
565 | ||
c0788a09 DA |
566 | /* For manipulation of filters in shared block, tcm_ifindex is set to |
567 | * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index | |
568 | * which is the block index. | |
569 | */ | |
570 | #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) | |
571 | ||
ab322673 | 572 | enum { |
0633baa1 SH |
573 | TCA_UNSPEC, |
574 | TCA_KIND, | |
575 | TCA_OPTIONS, | |
576 | TCA_STATS, | |
577 | TCA_XSTATS, | |
578 | TCA_RATE, | |
579 | TCA_FCNT, | |
e5879dc6 | 580 | TCA_STATS2, |
19ecc16d | 581 | TCA_STAB, |
31ce6e01 | 582 | TCA_PAD, |
2099b983 | 583 | TCA_DUMP_INVISIBLE, |
d4473c02 | 584 | TCA_CHAIN, |
f82517f8 | 585 | TCA_HW_OFFLOAD, |
c0788a09 DA |
586 | TCA_INGRESS_BLOCK, |
587 | TCA_EGRESS_BLOCK, | |
0633baa1 SH |
588 | __TCA_MAX |
589 | }; | |
590 | ||
591 | #define TCA_MAX (__TCA_MAX - 1) | |
592 | ||
593 | #define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) | |
594 | #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) | |
595 | ||
5472ac6f SH |
596 | /******************************************************************** |
597 | * Neighbor Discovery userland options | |
598 | ****/ | |
599 | ||
ab322673 | 600 | struct nduseroptmsg { |
5472ac6f SH |
601 | unsigned char nduseropt_family; |
602 | unsigned char nduseropt_pad1; | |
603 | unsigned short nduseropt_opts_len; /* Total length of options */ | |
604 | int nduseropt_ifindex; | |
605 | __u8 nduseropt_icmp_type; | |
606 | __u8 nduseropt_icmp_code; | |
607 | unsigned short nduseropt_pad2; | |
608 | unsigned int nduseropt_pad3; | |
609 | /* Followed by one or more ND options */ | |
610 | }; | |
611 | ||
ab322673 | 612 | enum { |
5472ac6f SH |
613 | NDUSEROPT_UNSPEC, |
614 | NDUSEROPT_SRCADDR, | |
615 | __NDUSEROPT_MAX | |
616 | }; | |
617 | ||
618 | #define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) | |
619 | ||
351efcde | 620 | /* RTnetlink multicast groups - backwards compatibility for userspace */ |
0633baa1 SH |
621 | #define RTMGRP_LINK 1 |
622 | #define RTMGRP_NOTIFY 2 | |
623 | #define RTMGRP_NEIGH 4 | |
624 | #define RTMGRP_TC 8 | |
625 | ||
626 | #define RTMGRP_IPV4_IFADDR 0x10 | |
627 | #define RTMGRP_IPV4_MROUTE 0x20 | |
628 | #define RTMGRP_IPV4_ROUTE 0x40 | |
8f8a3648 | 629 | #define RTMGRP_IPV4_RULE 0x80 |
0633baa1 SH |
630 | |
631 | #define RTMGRP_IPV6_IFADDR 0x100 | |
632 | #define RTMGRP_IPV6_MROUTE 0x200 | |
633 | #define RTMGRP_IPV6_ROUTE 0x400 | |
634 | #define RTMGRP_IPV6_IFINFO 0x800 | |
635 | ||
636 | #define RTMGRP_DECnet_IFADDR 0x1000 | |
637 | #define RTMGRP_DECnet_ROUTE 0x4000 | |
638 | ||
639 | #define RTMGRP_IPV6_PREFIX 0x20000 | |
640 | ||
351efcde SH |
641 | /* RTnetlink multicast groups */ |
642 | enum rtnetlink_groups { | |
643 | RTNLGRP_NONE, | |
644 | #define RTNLGRP_NONE RTNLGRP_NONE | |
645 | RTNLGRP_LINK, | |
646 | #define RTNLGRP_LINK RTNLGRP_LINK | |
647 | RTNLGRP_NOTIFY, | |
648 | #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY | |
649 | RTNLGRP_NEIGH, | |
650 | #define RTNLGRP_NEIGH RTNLGRP_NEIGH | |
651 | RTNLGRP_TC, | |
652 | #define RTNLGRP_TC RTNLGRP_TC | |
653 | RTNLGRP_IPV4_IFADDR, | |
654 | #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR | |
655 | RTNLGRP_IPV4_MROUTE, | |
656 | #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE | |
657 | RTNLGRP_IPV4_ROUTE, | |
658 | #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE | |
8f8a3648 SH |
659 | RTNLGRP_IPV4_RULE, |
660 | #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE | |
351efcde SH |
661 | RTNLGRP_IPV6_IFADDR, |
662 | #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR | |
663 | RTNLGRP_IPV6_MROUTE, | |
664 | #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE | |
665 | RTNLGRP_IPV6_ROUTE, | |
666 | #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE | |
667 | RTNLGRP_IPV6_IFINFO, | |
668 | #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO | |
669 | RTNLGRP_DECnet_IFADDR, | |
670 | #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR | |
09954dc6 | 671 | RTNLGRP_NOP2, |
351efcde SH |
672 | RTNLGRP_DECnet_ROUTE, |
673 | #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE | |
ead2ba70 SH |
674 | RTNLGRP_DECnet_RULE, |
675 | #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE | |
09954dc6 | 676 | RTNLGRP_NOP4, |
351efcde SH |
677 | RTNLGRP_IPV6_PREFIX, |
678 | #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX | |
ead2ba70 SH |
679 | RTNLGRP_IPV6_RULE, |
680 | #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE | |
5472ac6f SH |
681 | RTNLGRP_ND_USEROPT, |
682 | #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT | |
05bfd165 SH |
683 | RTNLGRP_PHONET_IFADDR, |
684 | #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR | |
685 | RTNLGRP_PHONET_ROUTE, | |
686 | #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE | |
707f612c SH |
687 | RTNLGRP_DCB, |
688 | #define RTNLGRP_DCB RTNLGRP_DCB | |
910773dc SH |
689 | RTNLGRP_IPV4_NETCONF, |
690 | #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF | |
691 | RTNLGRP_IPV6_NETCONF, | |
692 | #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF | |
4a4ee616 CW |
693 | RTNLGRP_MDB, |
694 | #define RTNLGRP_MDB RTNLGRP_MDB | |
61333d24 SH |
695 | RTNLGRP_MPLS_ROUTE, |
696 | #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE | |
e46efaed SH |
697 | RTNLGRP_NSID, |
698 | #define RTNLGRP_NSID RTNLGRP_NSID | |
3f34574d SH |
699 | RTNLGRP_MPLS_NETCONF, |
700 | #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF | |
35a004dc SH |
701 | RTNLGRP_IPV4_MROUTE_R, |
702 | #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R | |
703 | RTNLGRP_IPV6_MROUTE_R, | |
704 | #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R | |
351efcde SH |
705 | __RTNLGRP_MAX |
706 | }; | |
707 | #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) | |
708 | ||
0633baa1 | 709 | /* TC action piece */ |
ab322673 | 710 | struct tcamsg { |
0633baa1 SH |
711 | unsigned char tca_family; |
712 | unsigned char tca__pad1; | |
713 | unsigned short tca__pad2; | |
714 | }; | |
72e4ea5e SH |
715 | |
716 | enum { | |
717 | TCA_ROOT_UNSPEC, | |
718 | TCA_ROOT_TAB, | |
719 | #define TCA_ACT_TAB TCA_ROOT_TAB | |
720 | #define TCAA_MAX TCA_ROOT_TAB | |
721 | TCA_ROOT_FLAGS, | |
722 | TCA_ROOT_COUNT, | |
723 | TCA_ROOT_TIME_DELTA, /* in msecs */ | |
724 | __TCA_ROOT_MAX, | |
725 | #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) | |
726 | }; | |
727 | ||
0633baa1 SH |
728 | #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) |
729 | #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) | |
72e4ea5e SH |
730 | /* tcamsg flags stored in attribute TCA_ROOT_FLAGS |
731 | * | |
732 | * TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO | |
733 | * actions in a dump. All dump responses will contain the number of actions | |
734 | * being dumped stored in for user app's consumption in TCA_ROOT_COUNT | |
735 | * | |
736 | */ | |
737 | #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) | |
0633baa1 | 738 | |
c23abafb SH |
739 | /* New extended info filters for IFLA_EXT_MASK */ |
740 | #define RTEXT_FILTER_VF (1 << 0) | |
609106d3 | 741 | #define RTEXT_FILTER_BRVLAN (1 << 1) |
f233410d | 742 | #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) |
4e39bfb9 | 743 | #define RTEXT_FILTER_SKIP_STATS (1 << 3) |
c23abafb | 744 | |
0633baa1 SH |
745 | /* End of information exported to user level */ |
746 | ||
747 | ||
748 | ||
910773dc | 749 | #endif /* __LINUX_RTNETLINK_H */ |