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Commit | Line | Data |
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718e3744 | 1 | /* Zebra's client header. |
2 | * Copyright (C) 1999 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2, or (at your option) | |
9 | * any later version. | |
896014f4 | 10 | * |
718e3744 | 11 | * GNU Zebra is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
896014f4 DL |
15 | * |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #ifndef _ZEBRA_ZCLIENT_H | |
22 | #define _ZEBRA_ZCLIENT_H | |
23 | ||
74489921 | 24 | /* For struct zapi_route. */ |
5734509c PJ |
25 | #include "prefix.h" |
26 | ||
718e3744 | 27 | /* For struct interface and struct connected. */ |
28 | #include "if.h" | |
29 | ||
7076bb2f FL |
30 | /* For vrf_bitmap_t. */ |
31 | #include "vrf.h" | |
32 | ||
6833ae01 | 33 | /* For union g_addr */ |
34 | #include "nexthop.h" | |
35 | ||
36 | /* For union pw_protocol_fields */ | |
37 | #include "pw.h" | |
38 | ||
02c0866d DS |
39 | #include "mlag.h" |
40 | ||
03edc41d DS |
41 | /* Zebra types. Used in Zserv message header. */ |
42 | typedef uint16_t zebra_size_t; | |
43 | ||
8ee06b2c DS |
44 | /* Marker value used in new Zserv, in the byte location corresponding |
45 | * the command value in the old zserv header. To allow old and new | |
46 | * Zserv headers to be distinguished from each other. | |
47 | */ | |
48 | #define ZEBRA_HEADER_MARKER 254 | |
49 | ||
718e3744 | 50 | /* For input/output buffer to zebra. */ |
f3f45626 | 51 | #define ZEBRA_MAX_PACKET_SIZ 16384U |
718e3744 | 52 | |
53 | /* Zebra header size. */ | |
a9ff90c4 | 54 | #define ZEBRA_HEADER_SIZE 10 |
718e3744 | 55 | |
689f5a8c DL |
56 | /* special socket path name to use TCP |
57 | * @ is used as first character because that's abstract socket names on Linux | |
58 | */ | |
59 | #define ZAPI_TCP_PATHNAME "@tcp" | |
60 | ||
7661461a PG |
61 | /* IPset size name stands for the name of the ipset entry |
62 | * that can be created by using some zapi interfaces | |
63 | */ | |
64 | #define ZEBRA_IPSET_NAME_SIZE 32 | |
65 | ||
7abd6c4f PG |
66 | /* IPTable action is defined by two values: either |
67 | * forward or drop | |
68 | */ | |
69 | #define ZEBRA_IPTABLES_FORWARD 0 | |
70 | #define ZEBRA_IPTABLES_DROP 1 | |
71 | ||
57592a53 AD |
72 | /* Zebra FEC register command flags. */ |
73 | #define ZEBRA_FEC_REGISTER_LABEL 0x1 | |
74 | #define ZEBRA_FEC_REGISTER_LABEL_INDEX 0x2 | |
75 | ||
eb451ee5 | 76 | /* Client Graceful Restart */ |
77 | #define ZEBRA_CLIENT_GR_CAPABILITIES 0x1 | |
78 | #define ZEBRA_CLIENT_ROUTE_UPDATE_COMPLETE 0x2 | |
79 | #define ZEBRA_CLIENT_ROUTE_UPDATE_PENDING 0x3 | |
80 | #define ZEBRA_CLIENT_GR_DISABLE 0x4 | |
81 | #define ZEBRA_CLIENT_RIB_STALE_TIME 0x5 | |
82 | #define ZEBRA_CLIENT_GR_ENABLED(X) (X & ZEBRA_CLIENT_GR_CAPABILITIES) | |
83 | ||
689f5a8c DL |
84 | extern struct sockaddr_storage zclient_addr; |
85 | extern socklen_t zclient_addr_len; | |
86 | ||
8613585e DS |
87 | /* Zebra message types. */ |
88 | typedef enum { | |
d62a17ae | 89 | ZEBRA_INTERFACE_ADD, |
90 | ZEBRA_INTERFACE_DELETE, | |
91 | ZEBRA_INTERFACE_ADDRESS_ADD, | |
92 | ZEBRA_INTERFACE_ADDRESS_DELETE, | |
93 | ZEBRA_INTERFACE_UP, | |
94 | ZEBRA_INTERFACE_DOWN, | |
e0ae31b8 | 95 | ZEBRA_INTERFACE_SET_MASTER, |
c3bd894e | 96 | ZEBRA_INTERFACE_SET_PROTODOWN, |
0e51b4a3 RW |
97 | ZEBRA_ROUTE_ADD, |
98 | ZEBRA_ROUTE_DELETE, | |
7ea7b86e | 99 | ZEBRA_ROUTE_NOTIFY_OWNER, |
d62a17ae | 100 | ZEBRA_REDISTRIBUTE_ADD, |
101 | ZEBRA_REDISTRIBUTE_DELETE, | |
102 | ZEBRA_REDISTRIBUTE_DEFAULT_ADD, | |
103 | ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, | |
104 | ZEBRA_ROUTER_ID_ADD, | |
105 | ZEBRA_ROUTER_ID_DELETE, | |
106 | ZEBRA_ROUTER_ID_UPDATE, | |
107 | ZEBRA_HELLO, | |
09924cff | 108 | ZEBRA_CAPABILITIES, |
d62a17ae | 109 | ZEBRA_NEXTHOP_REGISTER, |
110 | ZEBRA_NEXTHOP_UNREGISTER, | |
111 | ZEBRA_NEXTHOP_UPDATE, | |
112 | ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
113 | ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, | |
114 | ZEBRA_INTERFACE_BFD_DEST_UPDATE, | |
115 | ZEBRA_IMPORT_ROUTE_REGISTER, | |
116 | ZEBRA_IMPORT_ROUTE_UNREGISTER, | |
117 | ZEBRA_IMPORT_CHECK_UPDATE, | |
d62a17ae | 118 | ZEBRA_BFD_DEST_REGISTER, |
119 | ZEBRA_BFD_DEST_DEREGISTER, | |
120 | ZEBRA_BFD_DEST_UPDATE, | |
121 | ZEBRA_BFD_DEST_REPLAY, | |
74489921 RW |
122 | ZEBRA_REDISTRIBUTE_ROUTE_ADD, |
123 | ZEBRA_REDISTRIBUTE_ROUTE_DEL, | |
d62a17ae | 124 | ZEBRA_VRF_UNREGISTER, |
125 | ZEBRA_VRF_ADD, | |
126 | ZEBRA_VRF_DELETE, | |
c83c5e44 | 127 | ZEBRA_VRF_LABEL, |
d62a17ae | 128 | ZEBRA_INTERFACE_VRF_UPDATE, |
129 | ZEBRA_BFD_CLIENT_REGISTER, | |
d3af6147 | 130 | ZEBRA_BFD_CLIENT_DEREGISTER, |
d62a17ae | 131 | ZEBRA_INTERFACE_ENABLE_RADV, |
132 | ZEBRA_INTERFACE_DISABLE_RADV, | |
133 | ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB, | |
134 | ZEBRA_INTERFACE_LINK_PARAMS, | |
135 | ZEBRA_MPLS_LABELS_ADD, | |
136 | ZEBRA_MPLS_LABELS_DELETE, | |
ea6b290b | 137 | ZEBRA_MPLS_LABELS_REPLACE, |
d62a17ae | 138 | ZEBRA_IPMR_ROUTE_STATS, |
139 | ZEBRA_LABEL_MANAGER_CONNECT, | |
f533be73 | 140 | ZEBRA_LABEL_MANAGER_CONNECT_ASYNC, |
d62a17ae | 141 | ZEBRA_GET_LABEL_CHUNK, |
142 | ZEBRA_RELEASE_LABEL_CHUNK, | |
143 | ZEBRA_FEC_REGISTER, | |
144 | ZEBRA_FEC_UNREGISTER, | |
145 | ZEBRA_FEC_UPDATE, | |
1a98c087 | 146 | ZEBRA_ADVERTISE_DEFAULT_GW, |
fc08a52f | 147 | ZEBRA_ADVERTISE_SVI_MACIP, |
31310b25 | 148 | ZEBRA_ADVERTISE_SUBNET, |
d62a17ae | 149 | ZEBRA_ADVERTISE_ALL_VNI, |
50f74cf1 | 150 | ZEBRA_LOCAL_ES_ADD, |
151 | ZEBRA_LOCAL_ES_DEL, | |
d62a17ae | 152 | ZEBRA_VNI_ADD, |
153 | ZEBRA_VNI_DEL, | |
b7cfce93 MK |
154 | ZEBRA_L3VNI_ADD, |
155 | ZEBRA_L3VNI_DEL, | |
d62a17ae | 156 | ZEBRA_REMOTE_VTEP_ADD, |
157 | ZEBRA_REMOTE_VTEP_DEL, | |
158 | ZEBRA_MACIP_ADD, | |
159 | ZEBRA_MACIP_DEL, | |
31310b25 MK |
160 | ZEBRA_IP_PREFIX_ROUTE_ADD, |
161 | ZEBRA_IP_PREFIX_ROUTE_DEL, | |
d62a17ae | 162 | ZEBRA_REMOTE_MACIP_ADD, |
163 | ZEBRA_REMOTE_MACIP_DEL, | |
3950b52c | 164 | ZEBRA_DUPLICATE_ADDR_DETECTION, |
6833ae01 | 165 | ZEBRA_PW_ADD, |
166 | ZEBRA_PW_DELETE, | |
167 | ZEBRA_PW_SET, | |
168 | ZEBRA_PW_UNSET, | |
169 | ZEBRA_PW_STATUS_UPDATE, | |
e16abbb3 DS |
170 | ZEBRA_RULE_ADD, |
171 | ZEBRA_RULE_DELETE, | |
172 | ZEBRA_RULE_NOTIFY_OWNER, | |
75fb51c1 PG |
173 | ZEBRA_TABLE_MANAGER_CONNECT, |
174 | ZEBRA_GET_TABLE_CHUNK, | |
175 | ZEBRA_RELEASE_TABLE_CHUNK, | |
d59c13af PG |
176 | ZEBRA_IPSET_CREATE, |
177 | ZEBRA_IPSET_DESTROY, | |
178 | ZEBRA_IPSET_ENTRY_ADD, | |
179 | ZEBRA_IPSET_ENTRY_DELETE, | |
425bdd6b PG |
180 | ZEBRA_IPSET_NOTIFY_OWNER, |
181 | ZEBRA_IPSET_ENTRY_NOTIFY_OWNER, | |
7abd6c4f PG |
182 | ZEBRA_IPTABLE_ADD, |
183 | ZEBRA_IPTABLE_DELETE, | |
184 | ZEBRA_IPTABLE_NOTIFY_OWNER, | |
fbac9605 | 185 | ZEBRA_VXLAN_FLOOD_CONTROL, |
4ab3321f AK |
186 | ZEBRA_VXLAN_SG_ADD, |
187 | ZEBRA_VXLAN_SG_DEL, | |
ecbbc3a7 | 188 | ZEBRA_VXLAN_SG_REPLAY, |
46c2687c SK |
189 | ZEBRA_MLAG_PROCESS_UP, |
190 | ZEBRA_MLAG_PROCESS_DOWN, | |
36b5b98f SK |
191 | ZEBRA_MLAG_CLIENT_REGISTER, |
192 | ZEBRA_MLAG_CLIENT_UNREGISTER, | |
193 | ZEBRA_MLAG_FORWARD_MSG, | |
9ab0b2a3 | 194 | ZEBRA_ERROR, |
eb451ee5 | 195 | ZEBRA_CLIENT_CAPABILITIES |
8613585e DS |
196 | } zebra_message_types_t; |
197 | ||
9ab0b2a3 SW |
198 | enum zebra_error_types { |
199 | ZEBRA_UNKNOWN_ERROR, /* Error of unknown type */ | |
200 | ZEBRA_NO_VRF, /* Vrf in header was not found */ | |
201 | ZEBRA_INVALID_MSG_TYPE, /* No handler found for msg type */ | |
202 | }; | |
203 | ||
204 | static inline const char *zebra_error_type2str(enum zebra_error_types type) | |
205 | { | |
206 | const char *ret = "UNKNOWN"; | |
207 | ||
208 | switch (type) { | |
209 | case ZEBRA_UNKNOWN_ERROR: | |
210 | ret = "ZEBRA_UNKNOWN_ERROR"; | |
211 | break; | |
212 | case ZEBRA_NO_VRF: | |
213 | ret = "ZEBRA_NO_VRF"; | |
214 | break; | |
215 | case ZEBRA_INVALID_MSG_TYPE: | |
216 | ret = "ZEBRA_INVALID_MSG_TYPE"; | |
217 | break; | |
218 | } | |
219 | ||
220 | return ret; | |
221 | } | |
222 | ||
d62a17ae | 223 | struct redist_proto { |
d7c0a89a | 224 | uint8_t enabled; |
d62a17ae | 225 | struct list *instances; |
7c8ff89e DS |
226 | }; |
227 | ||
09924cff DS |
228 | struct zclient_capabilities { |
229 | uint32_t ecmp; | |
230 | bool mpls_enabled; | |
02c0866d | 231 | enum mlag_role role; |
09924cff DS |
232 | }; |
233 | ||
eb451ee5 | 234 | /* Graceful Restart Capabilities message */ |
235 | struct zapi_cap { | |
236 | uint32_t cap; | |
237 | uint32_t stale_removal_time; | |
238 | afi_t afi; | |
239 | safi_t safi; | |
240 | vrf_id_t vrf_id; | |
241 | }; | |
242 | ||
718e3744 | 243 | /* Structure for the zebra client. */ |
d62a17ae | 244 | struct zclient { |
245 | /* The thread master we schedule ourselves on */ | |
246 | struct thread_master *master; | |
247 | ||
342213ea DS |
248 | /* Priviledges to change socket values */ |
249 | struct zebra_privs_t *privs; | |
250 | ||
e1a1880d DS |
251 | /* Do we care about failure events for route install? */ |
252 | bool receive_notify; | |
253 | ||
d62a17ae | 254 | /* Socket to zebra daemon. */ |
255 | int sock; | |
256 | ||
d62a17ae | 257 | /* Connection failure count. */ |
258 | int fail; | |
259 | ||
260 | /* Input buffer for zebra message. */ | |
261 | struct stream *ibuf; | |
262 | ||
263 | /* Output buffer for zebra message. */ | |
264 | struct stream *obuf; | |
265 | ||
266 | /* Buffer of data waiting to be written to zebra. */ | |
267 | struct buffer *wb; | |
268 | ||
269 | /* Read and connect thread. */ | |
270 | struct thread *t_read; | |
271 | struct thread *t_connect; | |
272 | ||
273 | /* Thread to write buffered data to zebra. */ | |
274 | struct thread *t_write; | |
275 | ||
276 | /* Redistribute information. */ | |
d7c0a89a QY |
277 | uint8_t redist_default; /* clients protocol */ |
278 | unsigned short instance; | |
d62a17ae | 279 | struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX]; |
280 | vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX]; | |
281 | ||
282 | /* Redistribute defauilt. */ | |
49db7a7b | 283 | vrf_bitmap_t default_information[AFI_MAX]; |
d62a17ae | 284 | |
6c33ca97 QY |
285 | #define ZAPI_CALLBACK_ARGS \ |
286 | int cmd, struct zclient *zclient, uint16_t length, vrf_id_t vrf_id | |
287 | ||
d62a17ae | 288 | /* Pointer to the callback functions. */ |
289 | void (*zebra_connected)(struct zclient *); | |
09924cff | 290 | void (*zebra_capabilities)(struct zclient_capabilities *cap); |
6c33ca97 | 291 | int (*router_id_update)(ZAPI_CALLBACK_ARGS); |
6c33ca97 QY |
292 | int (*interface_address_add)(ZAPI_CALLBACK_ARGS); |
293 | int (*interface_address_delete)(ZAPI_CALLBACK_ARGS); | |
294 | int (*interface_link_params)(ZAPI_CALLBACK_ARGS); | |
295 | int (*interface_bfd_dest_update)(ZAPI_CALLBACK_ARGS); | |
296 | int (*interface_nbr_address_add)(ZAPI_CALLBACK_ARGS); | |
297 | int (*interface_nbr_address_delete)(ZAPI_CALLBACK_ARGS); | |
298 | int (*interface_vrf_update)(ZAPI_CALLBACK_ARGS); | |
299 | int (*nexthop_update)(ZAPI_CALLBACK_ARGS); | |
300 | int (*import_check_update)(ZAPI_CALLBACK_ARGS); | |
301 | int (*bfd_dest_replay)(ZAPI_CALLBACK_ARGS); | |
302 | int (*redistribute_route_add)(ZAPI_CALLBACK_ARGS); | |
303 | int (*redistribute_route_del)(ZAPI_CALLBACK_ARGS); | |
d62a17ae | 304 | int (*fec_update)(int, struct zclient *, uint16_t); |
6c33ca97 QY |
305 | int (*local_es_add)(ZAPI_CALLBACK_ARGS); |
306 | int (*local_es_del)(ZAPI_CALLBACK_ARGS); | |
307 | int (*local_vni_add)(ZAPI_CALLBACK_ARGS); | |
308 | int (*local_vni_del)(ZAPI_CALLBACK_ARGS); | |
309 | int (*local_l3vni_add)(ZAPI_CALLBACK_ARGS); | |
310 | int (*local_l3vni_del)(ZAPI_CALLBACK_ARGS); | |
311 | void (*local_ip_prefix_add)(ZAPI_CALLBACK_ARGS); | |
312 | void (*local_ip_prefix_del)(ZAPI_CALLBACK_ARGS); | |
313 | int (*local_macip_add)(ZAPI_CALLBACK_ARGS); | |
314 | int (*local_macip_del)(ZAPI_CALLBACK_ARGS); | |
315 | int (*pw_status_update)(ZAPI_CALLBACK_ARGS); | |
316 | int (*route_notify_owner)(ZAPI_CALLBACK_ARGS); | |
317 | int (*rule_notify_owner)(ZAPI_CALLBACK_ARGS); | |
318 | void (*label_chunk)(ZAPI_CALLBACK_ARGS); | |
319 | int (*ipset_notify_owner)(ZAPI_CALLBACK_ARGS); | |
320 | int (*ipset_entry_notify_owner)(ZAPI_CALLBACK_ARGS); | |
321 | int (*iptable_notify_owner)(ZAPI_CALLBACK_ARGS); | |
322 | int (*vxlan_sg_add)(ZAPI_CALLBACK_ARGS); | |
323 | int (*vxlan_sg_del)(ZAPI_CALLBACK_ARGS); | |
46c2687c SK |
324 | int (*mlag_process_up)(void); |
325 | int (*mlag_process_down)(void); | |
326 | int (*mlag_handle_msg)(struct stream *msg, int len); | |
9ab0b2a3 | 327 | int (*handle_error)(enum zebra_error_types error); |
718e3744 | 328 | }; |
329 | ||
330 | /* Zebra API message flag. */ | |
331 | #define ZAPI_MESSAGE_NEXTHOP 0x01 | |
74489921 RW |
332 | #define ZAPI_MESSAGE_DISTANCE 0x02 |
333 | #define ZAPI_MESSAGE_METRIC 0x04 | |
334 | #define ZAPI_MESSAGE_TAG 0x08 | |
335 | #define ZAPI_MESSAGE_MTU 0x10 | |
336 | #define ZAPI_MESSAGE_SRCPFX 0x20 | |
ba1849ef DS |
337 | /* |
338 | * This should only be used by a DAEMON that needs to communicate | |
339 | * the table being used is not in the VRF. You must pass the | |
340 | * default vrf, else this will be ignored. | |
341 | */ | |
342 | #define ZAPI_MESSAGE_TABLEID 0x80 | |
718e3744 | 343 | |
04772760 | 344 | #define ZSERV_VERSION 6 |
c1b9800a | 345 | /* Zserv protocol message header */ |
124ead27 | 346 | struct zmsghdr { |
d62a17ae | 347 | uint16_t length; |
5530922e | 348 | /* Always set to 255 in new zserv */ |
124ead27 | 349 | uint8_t marker; |
d62a17ae | 350 | uint8_t version; |
d62a17ae | 351 | vrf_id_t vrf_id; |
352 | uint16_t command; | |
6e8e0925 DS |
353 | } __attribute__((packed)); |
354 | #define ZAPI_HEADER_CMD_LOCATION offsetof(struct zmsghdr, command) | |
c1b9800a | 355 | |
bb1b9c47 RW |
356 | struct zapi_nexthop { |
357 | enum nexthop_types_t type; | |
4a7371e9 | 358 | vrf_id_t vrf_id; |
bb1b9c47 | 359 | ifindex_t ifindex; |
68a02e06 | 360 | uint8_t flags; |
09a484dd DL |
361 | union { |
362 | union g_addr gate; | |
363 | enum blackhole_type bh_type; | |
364 | }; | |
52dd3aa4 RW |
365 | |
366 | /* MPLS labels for BGP-LU or Segment Routing */ | |
367 | uint8_t label_num; | |
368 | mpls_label_t labels[MPLS_MAX_LABELS]; | |
a317a9b9 | 369 | |
370 | struct ethaddr rmac; | |
bd054c1a DS |
371 | |
372 | uint32_t weight; | |
bb1b9c47 RW |
373 | }; |
374 | ||
68a02e06 MS |
375 | /* |
376 | * ZAPI nexthop flags values | |
377 | */ | |
378 | #define ZAPI_NEXTHOP_FLAG_ONLINK 0x01 | |
379 | #define ZAPI_NEXTHOP_FLAG_LABEL 0x02 | |
bd054c1a | 380 | #define ZAPI_NEXTHOP_FLAG_WEIGHT 0x04 |
68a02e06 | 381 | |
832d0f56 DS |
382 | /* |
383 | * Some of these data structures do not map easily to | |
384 | * a actual data structure size giving different compilers | |
385 | * and systems. For those data structures we need | |
386 | * to use the smallest available stream_getX/putX functions | |
387 | * to encode/decode. | |
388 | */ | |
d62a17ae | 389 | struct zapi_route { |
d7c0a89a QY |
390 | uint8_t type; |
391 | unsigned short instance; | |
657cde12 | 392 | |
d7c0a89a | 393 | uint32_t flags; |
da01a37a DS |
394 | /* |
395 | * Cause Zebra to consider this routes nexthops recursively | |
396 | */ | |
397 | #define ZEBRA_FLAG_ALLOW_RECURSION 0x01 | |
398 | /* | |
399 | * This is a route that is read in on startup that was left around | |
400 | * from a previous run of FRR | |
401 | */ | |
402 | #define ZEBRA_FLAG_SELFROUTE 0x02 | |
403 | /* | |
404 | * This flag is used to tell Zebra that the BGP route being passed | |
405 | * down is a IBGP route | |
406 | */ | |
407 | #define ZEBRA_FLAG_IBGP 0x04 | |
408 | /* | |
409 | * This is a route that has been selected for FIB installation. | |
410 | * This flag is set in zebra and can be passed up to routing daemons | |
411 | */ | |
412 | #define ZEBRA_FLAG_SELECTED 0x08 | |
413 | /* | |
414 | * This is a route that we are telling Zebra that this route *must* | |
415 | * win and will be installed even over ZEBRA_FLAG_SELECTED | |
416 | */ | |
417 | #define ZEBRA_FLAG_FIB_OVERRIDE 0x10 | |
418 | /* | |
419 | * This flag tells Zebra that the route is a EVPN route and should | |
420 | * be treated specially | |
421 | */ | |
422 | #define ZEBRA_FLAG_EVPN_ROUTE 0x20 | |
423 | /* | |
424 | * This flag tells Zebra that it should treat the distance passed | |
425 | * down as an additional discriminator for route selection of the | |
426 | * route entry. This mainly is used for backup static routes. | |
427 | */ | |
428 | #define ZEBRA_FLAG_RR_USE_DISTANCE 0x40 | |
657cde12 | 429 | |
d7c0a89a | 430 | uint8_t message; |
657cde12 | 431 | |
832d0f56 DS |
432 | /* |
433 | * This is an enum but we are going to treat it as a uint8_t | |
434 | * for purpose of encoding/decoding | |
435 | */ | |
d62a17ae | 436 | safi_t safi; |
657cde12 | 437 | |
bb1b9c47 RW |
438 | struct prefix prefix; |
439 | struct prefix_ipv6 src_prefix; | |
440 | ||
d7c0a89a | 441 | uint16_t nexthop_num; |
bb1b9c47 | 442 | struct zapi_nexthop nexthops[MULTIPATH_NUM]; |
657cde12 | 443 | |
d7c0a89a | 444 | uint8_t distance; |
657cde12 | 445 | |
d7c0a89a | 446 | uint32_t metric; |
657cde12 | 447 | |
d62a17ae | 448 | route_tag_t tag; |
657cde12 | 449 | |
d7c0a89a | 450 | uint32_t mtu; |
657cde12 | 451 | |
d62a17ae | 452 | vrf_id_t vrf_id; |
2dbad57f | 453 | |
ba1849ef | 454 | uint32_t tableid; |
657cde12 DS |
455 | }; |
456 | ||
ea6b290b RW |
457 | struct zapi_nexthop_label { |
458 | enum nexthop_types_t type; | |
459 | int family; | |
460 | union g_addr address; | |
461 | ifindex_t ifindex; | |
462 | mpls_label_t label; | |
463 | }; | |
464 | ||
bad6b0e7 | 465 | struct zapi_labels { |
b3c49d0e RW |
466 | uint8_t message; |
467 | #define ZAPI_LABELS_FTN 0x01 | |
bad6b0e7 | 468 | enum lsp_types_t type; |
bad6b0e7 | 469 | mpls_label_t local_label; |
b3c49d0e RW |
470 | struct { |
471 | struct prefix prefix; | |
472 | uint8_t type; | |
473 | unsigned short instance; | |
474 | } route; | |
ea6b290b RW |
475 | uint16_t nexthop_num; |
476 | struct zapi_nexthop_label nexthops[MULTIPATH_NUM]; | |
bad6b0e7 RW |
477 | }; |
478 | ||
6833ae01 | 479 | struct zapi_pw { |
480 | char ifname[IF_NAMESIZE]; | |
481 | ifindex_t ifindex; | |
482 | int type; | |
483 | int af; | |
484 | union g_addr nexthop; | |
485 | uint32_t local_label; | |
486 | uint32_t remote_label; | |
487 | uint8_t flags; | |
488 | union pw_protocol_fields data; | |
489 | uint8_t protocol; | |
490 | }; | |
491 | ||
492 | struct zapi_pw_status { | |
493 | char ifname[IF_NAMESIZE]; | |
494 | ifindex_t ifindex; | |
495 | uint32_t status; | |
496 | }; | |
497 | ||
7ea7b86e DS |
498 | enum zapi_route_notify_owner { |
499 | ZAPI_ROUTE_FAIL_INSTALL, | |
500 | ZAPI_ROUTE_BETTER_ADMIN_WON, | |
501 | ZAPI_ROUTE_INSTALLED, | |
5e54c602 DS |
502 | ZAPI_ROUTE_REMOVED, |
503 | ZAPI_ROUTE_REMOVE_FAIL, | |
7ea7b86e DS |
504 | }; |
505 | ||
0031a6bb PG |
506 | enum zapi_rule_notify_owner { |
507 | ZAPI_RULE_FAIL_INSTALL, | |
508 | ZAPI_RULE_INSTALLED, | |
509 | ZAPI_RULE_REMOVED, | |
34d9d5be | 510 | ZAPI_RULE_FAIL_REMOVE, |
0031a6bb PG |
511 | }; |
512 | ||
7661461a PG |
513 | enum ipset_type { |
514 | IPSET_NET_NET = 1, | |
515 | IPSET_NET_PORT_NET, | |
516 | IPSET_NET_PORT, | |
517 | IPSET_NET | |
518 | }; | |
519 | ||
425bdd6b PG |
520 | enum zapi_ipset_notify_owner { |
521 | ZAPI_IPSET_FAIL_INSTALL, | |
522 | ZAPI_IPSET_INSTALLED, | |
523 | ZAPI_IPSET_REMOVED, | |
34d9d5be | 524 | ZAPI_IPSET_FAIL_REMOVE, |
425bdd6b PG |
525 | }; |
526 | ||
527 | enum zapi_ipset_entry_notify_owner { | |
528 | ZAPI_IPSET_ENTRY_FAIL_INSTALL, | |
529 | ZAPI_IPSET_ENTRY_INSTALLED, | |
530 | ZAPI_IPSET_ENTRY_REMOVED, | |
34d9d5be | 531 | ZAPI_IPSET_ENTRY_FAIL_REMOVE, |
425bdd6b PG |
532 | }; |
533 | ||
7abd6c4f PG |
534 | enum zapi_iptable_notify_owner { |
535 | ZAPI_IPTABLE_FAIL_INSTALL, | |
536 | ZAPI_IPTABLE_INSTALLED, | |
537 | ZAPI_IPTABLE_REMOVED, | |
34d9d5be | 538 | ZAPI_IPTABLE_FAIL_REMOVE, |
7abd6c4f PG |
539 | }; |
540 | ||
eb5d458b SW |
541 | static inline const char * |
542 | zapi_rule_notify_owner2str(enum zapi_rule_notify_owner note) | |
543 | { | |
544 | const char *ret = "UNKNOWN"; | |
545 | ||
546 | switch (note) { | |
547 | case ZAPI_RULE_FAIL_INSTALL: | |
548 | ret = "ZAPI_RULE_FAIL_INSTALL"; | |
549 | break; | |
550 | case ZAPI_RULE_INSTALLED: | |
551 | ret = "ZAPI_RULE_INSTALLED"; | |
552 | break; | |
553 | case ZAPI_RULE_FAIL_REMOVE: | |
554 | ret = "ZAPI_RULE_FAIL_REMOVE"; | |
555 | break; | |
556 | case ZAPI_RULE_REMOVED: | |
557 | ret = "ZAPI_RULE_REMOVED"; | |
558 | break; | |
559 | } | |
560 | ||
561 | return ret; | |
562 | } | |
563 | ||
1a98c087 | 564 | /* Zebra MAC types */ |
ead40654 MK |
565 | #define ZEBRA_MACIP_TYPE_STICKY 0x01 /* Sticky MAC*/ |
566 | #define ZEBRA_MACIP_TYPE_GW 0x02 /* gateway (SVI) mac*/ | |
68e33151 CS |
567 | #define ZEBRA_MACIP_TYPE_ROUTER_FLAG 0x04 /* Router Flag - proxy NA */ |
568 | #define ZEBRA_MACIP_TYPE_OVERRIDE_FLAG 0x08 /* Override Flag */ | |
0ca10580 | 569 | #define ZEBRA_MACIP_TYPE_SVI_IP 0x10 /* SVI MAC-IP */ |
1a98c087 | 570 | |
2c476b72 AK |
571 | enum zebra_neigh_state { ZEBRA_NEIGH_INACTIVE = 0, ZEBRA_NEIGH_ACTIVE = 1 }; |
572 | ||
e1a1880d DS |
573 | struct zclient_options { |
574 | bool receive_notify; | |
575 | }; | |
576 | ||
e1a1880d DS |
577 | extern struct zclient_options zclient_options_default; |
578 | ||
26f63a1e DS |
579 | extern struct zclient *zclient_new(struct thread_master *m, |
580 | struct zclient_options *opt); | |
e1a1880d | 581 | |
d7c0a89a | 582 | extern void zclient_init(struct zclient *, int, unsigned short, |
996c9314 | 583 | struct zebra_privs_t *privs); |
d62a17ae | 584 | extern int zclient_start(struct zclient *); |
585 | extern void zclient_stop(struct zclient *); | |
586 | extern void zclient_reset(struct zclient *); | |
587 | extern void zclient_free(struct zclient *); | |
634f9ea2 | 588 | |
d62a17ae | 589 | extern int zclient_socket_connect(struct zclient *); |
718e3744 | 590 | |
d7c0a89a QY |
591 | extern unsigned short *redist_check_instance(struct redist_proto *, |
592 | unsigned short); | |
593 | extern void redist_add_instance(struct redist_proto *, unsigned short); | |
594 | extern void redist_del_instance(struct redist_proto *, unsigned short); | |
24c370dd | 595 | extern void redist_del_all_instances(struct redist_proto *red); |
7c8ff89e | 596 | |
c83c5e44 DS |
597 | /* |
598 | * Send to zebra that the specified vrf is using label to resolve | |
599 | * itself for L3VPN's. Repeated calls of this function with | |
600 | * different labels will cause an effective update of the | |
42567e00 | 601 | * label for lookup. If you pass in MPLS_LABEL_NONE |
c83c5e44 DS |
602 | * we will cause a delete action and remove this label pop |
603 | * operation. | |
7d061b3c DS |
604 | * |
605 | * The underlying AF_MPLS doesn't care about afi's | |
606 | * but we can make the zebra_vrf keep track of what | |
607 | * we have installed and play some special games | |
608 | * to get them both installed. | |
c83c5e44 DS |
609 | */ |
610 | extern void zclient_send_vrf_label(struct zclient *zclient, vrf_id_t vrf_id, | |
7d061b3c DS |
611 | afi_t afi, mpls_label_t label, |
612 | enum lsp_types_t ltype); | |
c83c5e44 | 613 | |
d62a17ae | 614 | extern void zclient_send_reg_requests(struct zclient *, vrf_id_t); |
615 | extern void zclient_send_dereg_requests(struct zclient *, vrf_id_t); | |
7076bb2f | 616 | |
d62a17ae | 617 | extern void zclient_send_interface_radv_req(struct zclient *zclient, |
618 | vrf_id_t vrf_id, | |
619 | struct interface *ifp, int enable, | |
620 | int ra_interval); | |
c3bd894e QY |
621 | extern int zclient_send_interface_protodown(struct zclient *zclient, |
622 | vrf_id_t vrf_id, | |
623 | struct interface *ifp, bool down); | |
4a04e5f7 | 624 | |
634f9ea2 | 625 | /* Send redistribute command to zebra daemon. Do not update zclient state. */ |
d62a17ae | 626 | extern int zebra_redistribute_send(int command, struct zclient *, afi_t, |
d7c0a89a QY |
627 | int type, unsigned short instance, |
628 | vrf_id_t vrf_id); | |
634f9ea2 | 629 | |
49db7a7b RW |
630 | extern int zebra_redistribute_default_send(int command, struct zclient *zclient, |
631 | afi_t afi, vrf_id_t vrf_id); | |
632 | ||
634f9ea2 | 633 | /* If state has changed, update state and call zebra_redistribute_send. */ |
d62a17ae | 634 | extern void zclient_redistribute(int command, struct zclient *, afi_t, int type, |
d7c0a89a | 635 | unsigned short instance, vrf_id_t vrf_id); |
634f9ea2 | 636 | |
637 | /* If state has changed, update state and send the command to zebra. */ | |
d62a17ae | 638 | extern void zclient_redistribute_default(int command, struct zclient *, |
49db7a7b | 639 | afi_t, vrf_id_t vrf_id); |
718e3744 | 640 | |
634f9ea2 | 641 | /* Send the message in zclient->obuf to the zebra daemon (or enqueue it). |
642 | Returns 0 for success or -1 on an I/O error. */ | |
643 | extern int zclient_send_message(struct zclient *); | |
718e3744 | 644 | |
d211086a | 645 | /* create header for command, length to be filled in by user later */ |
d62a17ae | 646 | extern void zclient_create_header(struct stream *, uint16_t, vrf_id_t); |
124ead27 QY |
647 | /* |
648 | * Read sizeof(struct zmsghdr) bytes from the provided socket and parse the | |
649 | * received data into the specified fields. If this is successful, read the | |
650 | * rest of the packet into the provided stream. | |
651 | * | |
652 | * s | |
653 | * The stream to read into | |
654 | * | |
655 | * sock | |
656 | * The socket to read from | |
657 | * | |
658 | * size | |
659 | * Parsed message size will be placed in the pointed-at integer | |
660 | * | |
661 | * marker | |
662 | * Parsed marker will be placed in the pointed-at byte | |
663 | * | |
664 | * version | |
665 | * Parsed version will be placed in the pointed-at byte | |
666 | * | |
667 | * vrf_id | |
668 | * Parsed VRF ID will be placed in the pointed-at vrf_id_t | |
669 | * | |
670 | * cmd | |
671 | * Parsed command number will be placed in the pointed-at integer | |
672 | * | |
673 | * Returns: | |
674 | * -1 if: | |
675 | * - insufficient data for header was read | |
676 | * - a version mismatch was detected | |
677 | * - a marker mismatch was detected | |
678 | * - header size field specified more data than could be read | |
679 | */ | |
d7c0a89a QY |
680 | extern int zclient_read_header(struct stream *s, int sock, uint16_t *size, |
681 | uint8_t *marker, uint8_t *version, | |
682 | vrf_id_t *vrf_id, uint16_t *cmd); | |
124ead27 QY |
683 | /* |
684 | * Parse header from ZAPI message stream into struct zmsghdr. | |
685 | * This function assumes the stream getp points at the first byte of the header. | |
686 | * If the function is successful then the stream getp will point to the byte | |
687 | * immediately after the last byte of the header. | |
688 | * | |
689 | * zmsg | |
690 | * The stream containing the header | |
691 | * | |
692 | * hdr | |
693 | * The header struct to parse into. | |
694 | * | |
695 | * Returns: | |
696 | * true if parsing succeeded, false otherwise | |
697 | */ | |
698 | extern bool zapi_parse_header(struct stream *zmsg, struct zmsghdr *hdr); | |
d62a17ae | 699 | |
e0ae31b8 DS |
700 | extern void zclient_interface_set_master(struct zclient *client, |
701 | struct interface *master, | |
702 | struct interface *slave); | |
d62a17ae | 703 | extern struct interface *zebra_interface_state_read(struct stream *s, vrf_id_t); |
704 | extern struct connected *zebra_interface_address_read(int, struct stream *, | |
705 | vrf_id_t); | |
706 | extern struct nbr_connected * | |
707 | zebra_interface_nbr_address_read(int, struct stream *, vrf_id_t); | |
708 | extern struct interface *zebra_interface_vrf_update_read(struct stream *s, | |
709 | vrf_id_t vrf_id, | |
710 | vrf_id_t *new_vrf_id); | |
d62a17ae | 711 | extern void zebra_router_id_update_read(struct stream *s, struct prefix *rid); |
0cb76b9d | 712 | |
edc12762 RW |
713 | extern struct interface *zebra_interface_link_params_read(struct stream *s, |
714 | vrf_id_t vrf_id); | |
d62a17ae | 715 | extern size_t zebra_interface_link_params_write(struct stream *, |
716 | struct interface *); | |
0e3b6a92 EDP |
717 | extern int zclient_send_get_label_chunk(struct zclient *zclient, uint8_t keep, |
718 | uint32_t chunk_size, uint32_t base); | |
955bfd98 | 719 | |
f533be73 | 720 | extern int lm_label_manager_connect(struct zclient *zclient, int async); |
d7c0a89a | 721 | extern int lm_get_label_chunk(struct zclient *zclient, uint8_t keep, |
0e3b6a92 EDP |
722 | uint32_t base, uint32_t chunk_size, |
723 | uint32_t *start, uint32_t *end); | |
d62a17ae | 724 | extern int lm_release_label_chunk(struct zclient *zclient, uint32_t start, |
725 | uint32_t end); | |
75fb51c1 PG |
726 | extern int tm_table_manager_connect(struct zclient *zclient); |
727 | extern int tm_get_table_chunk(struct zclient *zclient, uint32_t chunk_size, | |
728 | uint32_t *start, uint32_t *end); | |
729 | extern int tm_release_table_chunk(struct zclient *zclient, uint32_t start, | |
730 | uint32_t end); | |
731 | ||
bad6b0e7 RW |
732 | extern int zebra_send_mpls_labels(struct zclient *zclient, int cmd, |
733 | struct zapi_labels *zl); | |
734 | extern int zapi_labels_encode(struct stream *s, int cmd, | |
735 | struct zapi_labels *zl); | |
736 | extern int zapi_labels_decode(struct stream *s, struct zapi_labels *zl); | |
737 | ||
6833ae01 | 738 | extern int zebra_send_pw(struct zclient *zclient, int command, |
739 | struct zapi_pw *pw); | |
121f9dee | 740 | extern void zebra_read_pw_status_update(ZAPI_CALLBACK_ARGS, struct zapi_pw_status *pw); |
6833ae01 | 741 | |
d7c0a89a | 742 | extern int zclient_route_send(uint8_t, struct zclient *, struct zapi_route *); |
3c192540 DS |
743 | extern int zclient_send_rnh(struct zclient *zclient, int command, |
744 | struct prefix *p, bool exact_match, | |
745 | vrf_id_t vrf_id); | |
68a02e06 MS |
746 | int zapi_nexthop_encode(struct stream *s, const struct zapi_nexthop *api_nh, |
747 | uint32_t api_flags); | |
d7c0a89a | 748 | extern int zapi_route_encode(uint8_t, struct stream *, struct zapi_route *); |
0e51b4a3 | 749 | extern int zapi_route_decode(struct stream *, struct zapi_route *); |
7ea7b86e | 750 | bool zapi_route_notify_decode(struct stream *s, struct prefix *p, |
28610f7e | 751 | uint32_t *tableid, |
7ea7b86e | 752 | enum zapi_route_notify_owner *note); |
b6c5d343 DS |
753 | bool zapi_rule_notify_decode(struct stream *s, uint32_t *seqno, |
754 | uint32_t *priority, uint32_t *unique, | |
755 | ifindex_t *ifindex, | |
756 | enum zapi_rule_notify_owner *note); | |
425bdd6b PG |
757 | bool zapi_ipset_notify_decode(struct stream *s, |
758 | uint32_t *unique, | |
759 | enum zapi_ipset_notify_owner *note); | |
760 | ||
761 | #define ZEBRA_IPSET_NAME_SIZE 32 | |
762 | ||
763 | bool zapi_ipset_entry_notify_decode(struct stream *s, | |
764 | uint32_t *unique, | |
765 | char *ipset_name, | |
766 | enum zapi_ipset_entry_notify_owner *note); | |
c16a0a62 PG |
767 | bool zapi_iptable_notify_decode(struct stream *s, |
768 | uint32_t *unique, | |
769 | enum zapi_iptable_notify_owner *note); | |
425bdd6b | 770 | |
4a749e2c | 771 | extern struct nexthop *nexthop_from_zapi_nexthop(struct zapi_nexthop *znh); |
68a02e06 MS |
772 | int zapi_nexthop_from_nexthop(struct zapi_nexthop *znh, |
773 | const struct nexthop *nh); | |
4a749e2c DS |
774 | extern bool zapi_nexthop_update_decode(struct stream *s, |
775 | struct zapi_route *nhr); | |
718e3744 | 776 | |
9ab0b2a3 SW |
777 | /* Decode the zebra error message */ |
778 | extern bool zapi_error_decode(struct stream *s, enum zebra_error_types *error); | |
779 | ||
09a484dd | 780 | static inline void zapi_route_set_blackhole(struct zapi_route *api, |
60466a63 | 781 | enum blackhole_type bh_type) |
09a484dd DL |
782 | { |
783 | api->nexthop_num = 1; | |
784 | api->nexthops[0].type = NEXTHOP_TYPE_BLACKHOLE; | |
4a7371e9 | 785 | api->nexthops[0].vrf_id = VRF_DEFAULT; |
09a484dd DL |
786 | api->nexthops[0].bh_type = bh_type; |
787 | SET_FLAG(api->message, ZAPI_MESSAGE_NEXTHOP); | |
788 | }; | |
789 | ||
36b5b98f SK |
790 | extern void zclient_send_mlag_register(struct zclient *client, |
791 | uint32_t bit_map); | |
792 | extern void zclient_send_mlag_deregister(struct zclient *client); | |
793 | ||
794 | extern void zclient_send_mlag_data(struct zclient *client, | |
795 | struct stream *client_s); | |
09a484dd | 796 | |
eb451ee5 | 797 | extern int zclient_capabilities_send(uint32_t cmd, struct zclient *zclient, |
798 | struct zapi_cap *api); | |
799 | extern int zapi_capabilities_decode(struct stream *s, struct zapi_cap *api); | |
718e3744 | 800 | #endif /* _ZEBRA_ZCLIENT_H */ |