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Commit | Line | Data |
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718e3744 | 1 | /* Zebra's client library. |
2 | * Copyright (C) 1999 Kunihiro Ishiguro | |
634f9ea2 | 3 | * Copyright (C) 2005 Andrew J. Schorr |
718e3744 | 4 | * |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published | |
9 | * by the Free Software Foundation; either version 2, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "prefix.h" | |
25 | #include "stream.h" | |
634f9ea2 | 26 | #include "buffer.h" |
718e3744 | 27 | #include "network.h" |
7922fc65 DS |
28 | #include "vrf.h" |
29 | #include "vrf_int.h" | |
718e3744 | 30 | #include "if.h" |
31 | #include "log.h" | |
32 | #include "thread.h" | |
33 | #include "zclient.h" | |
34 | #include "memory.h" | |
35 | #include "table.h" | |
5b30316e | 36 | #include "nexthop.h" |
fea12efb | 37 | #include "mpls.h" |
342213ea | 38 | #include "sockopt.h" |
0031a6bb | 39 | #include "pbr.h" |
98cbbaea | 40 | #include "nexthop_group.h" |
1ca3850c | 41 | #include "lib_errors.h" |
6b0655a2 | 42 | |
4a1ab8e4 | 43 | DEFINE_MTYPE_STATIC(LIB, ZCLIENT, "Zclient") |
14878121 | 44 | DEFINE_MTYPE_STATIC(LIB, REDIST_INST, "Redistribution instance IDs") |
4a1ab8e4 | 45 | |
718e3744 | 46 | /* Zebra client events. */ |
d62a17ae | 47 | enum event { ZCLIENT_SCHEDULE, ZCLIENT_READ, ZCLIENT_CONNECT }; |
718e3744 | 48 | |
49 | /* Prototype for event manager. */ | |
d62a17ae | 50 | static void zclient_event(enum event, struct zclient *); |
718e3744 | 51 | |
26f8f6fe DS |
52 | static void zebra_interface_if_set_value(struct stream *s, |
53 | struct interface *ifp); | |
54 | ||
c17faa4b QY |
55 | struct zclient_options zclient_options_default = {.receive_notify = false}; |
56 | ||
689f5a8c DL |
57 | struct sockaddr_storage zclient_addr; |
58 | socklen_t zclient_addr_len; | |
b5114685 | 59 | |
718e3744 | 60 | /* This file local debug flag. */ |
c17faa4b | 61 | static int zclient_debug; |
e1a1880d | 62 | |
718e3744 | 63 | /* Allocate zclient structure. */ |
26f63a1e DS |
64 | struct zclient *zclient_new(struct thread_master *master, |
65 | struct zclient_options *opt) | |
718e3744 | 66 | { |
d62a17ae | 67 | struct zclient *zclient; |
f3f45626 DS |
68 | size_t stream_size = |
69 | MAX(ZEBRA_MAX_PACKET_SIZ, sizeof(struct zapi_route)); | |
70 | ||
d62a17ae | 71 | zclient = XCALLOC(MTYPE_ZCLIENT, sizeof(struct zclient)); |
718e3744 | 72 | |
f3f45626 DS |
73 | zclient->ibuf = stream_new(stream_size); |
74 | zclient->obuf = stream_new(stream_size); | |
d62a17ae | 75 | zclient->wb = buffer_new(0); |
76 | zclient->master = master; | |
718e3744 | 77 | |
e1a1880d DS |
78 | zclient->receive_notify = opt->receive_notify; |
79 | ||
d62a17ae | 80 | return zclient; |
718e3744 | 81 | } |
82 | ||
228da428 | 83 | /* This function is only called when exiting, because |
634f9ea2 | 84 | many parts of the code do not check for I/O errors, so they could |
85 | reference an invalid pointer if the structure was ever freed. | |
634f9ea2 | 86 | |
228da428 | 87 | Free zclient structure. */ |
d62a17ae | 88 | void zclient_free(struct zclient *zclient) |
718e3744 | 89 | { |
d62a17ae | 90 | if (zclient->ibuf) |
91 | stream_free(zclient->ibuf); | |
92 | if (zclient->obuf) | |
93 | stream_free(zclient->obuf); | |
94 | if (zclient->wb) | |
95 | buffer_free(zclient->wb); | |
96 | ||
97 | XFREE(MTYPE_ZCLIENT, zclient); | |
718e3744 | 98 | } |
99 | ||
d7c0a89a QY |
100 | unsigned short *redist_check_instance(struct redist_proto *red, |
101 | unsigned short instance) | |
7c8ff89e | 102 | { |
d62a17ae | 103 | struct listnode *node; |
d7c0a89a | 104 | unsigned short *id; |
7c8ff89e | 105 | |
d62a17ae | 106 | if (!red->instances) |
107 | return NULL; | |
7c8ff89e | 108 | |
d62a17ae | 109 | for (ALL_LIST_ELEMENTS_RO(red->instances, node, id)) |
110 | if (*id == instance) | |
111 | return id; | |
7c8ff89e | 112 | |
d62a17ae | 113 | return NULL; |
7c8ff89e DS |
114 | } |
115 | ||
d7c0a89a | 116 | void redist_add_instance(struct redist_proto *red, unsigned short instance) |
7c8ff89e | 117 | { |
d7c0a89a | 118 | unsigned short *in; |
7c8ff89e | 119 | |
d62a17ae | 120 | red->enabled = 1; |
7c8ff89e | 121 | |
d62a17ae | 122 | if (!red->instances) |
123 | red->instances = list_new(); | |
7c8ff89e | 124 | |
d7c0a89a | 125 | in = XMALLOC(MTYPE_REDIST_INST, sizeof(unsigned short)); |
d62a17ae | 126 | *in = instance; |
127 | listnode_add(red->instances, in); | |
7c8ff89e DS |
128 | } |
129 | ||
d7c0a89a | 130 | void redist_del_instance(struct redist_proto *red, unsigned short instance) |
7c8ff89e | 131 | { |
d7c0a89a | 132 | unsigned short *id; |
d62a17ae | 133 | |
134 | id = redist_check_instance(red, instance); | |
135 | if (!id) | |
136 | return; | |
137 | ||
138 | listnode_delete(red->instances, id); | |
139 | XFREE(MTYPE_REDIST_INST, id); | |
140 | if (!red->instances->count) { | |
141 | red->enabled = 0; | |
6a154c88 | 142 | list_delete(&red->instances); |
d62a17ae | 143 | } |
7c8ff89e DS |
144 | } |
145 | ||
718e3744 | 146 | /* Stop zebra client services. */ |
d62a17ae | 147 | void zclient_stop(struct zclient *zclient) |
718e3744 | 148 | { |
d62a17ae | 149 | afi_t afi; |
150 | int i; | |
151 | ||
152 | if (zclient_debug) | |
153 | zlog_debug("zclient stopped"); | |
154 | ||
155 | /* Stop threads. */ | |
156 | THREAD_OFF(zclient->t_read); | |
157 | THREAD_OFF(zclient->t_connect); | |
158 | THREAD_OFF(zclient->t_write); | |
159 | ||
160 | /* Reset streams. */ | |
161 | stream_reset(zclient->ibuf); | |
162 | stream_reset(zclient->obuf); | |
163 | ||
164 | /* Empty the write buffer. */ | |
165 | buffer_reset(zclient->wb); | |
166 | ||
167 | /* Close socket. */ | |
168 | if (zclient->sock >= 0) { | |
169 | close(zclient->sock); | |
170 | zclient->sock = -1; | |
171 | } | |
172 | zclient->fail = 0; | |
173 | ||
174 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
175 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
176 | vrf_bitmap_free(zclient->redist[afi][i]); | |
177 | zclient->redist[afi][i] = VRF_BITMAP_NULL; | |
178 | } | |
179 | redist_del_instance( | |
180 | &zclient->mi_redist[afi][zclient->redist_default], | |
181 | zclient->instance); | |
41246cb6 | 182 | |
49db7a7b RW |
183 | vrf_bitmap_free(zclient->default_information[afi]); |
184 | zclient->default_information[afi] = VRF_BITMAP_NULL; | |
185 | } | |
718e3744 | 186 | } |
187 | ||
d62a17ae | 188 | void zclient_reset(struct zclient *zclient) |
718e3744 | 189 | { |
d62a17ae | 190 | afi_t afi; |
3d68677e | 191 | |
d62a17ae | 192 | zclient_stop(zclient); |
3d68677e | 193 | |
d62a17ae | 194 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
195 | redist_del_instance( | |
196 | &zclient->mi_redist[afi][zclient->redist_default], | |
197 | zclient->instance); | |
3d68677e | 198 | |
996c9314 LB |
199 | zclient_init(zclient, zclient->redist_default, zclient->instance, |
200 | zclient->privs); | |
718e3744 | 201 | } |
202 | ||
689f5a8c DL |
203 | /** |
204 | * Connect to zebra daemon. | |
205 | * @param zclient a pointer to zclient structure | |
206 | * @return socket fd just to make sure that connection established | |
207 | * @see zclient_init | |
26f63a1e | 208 | * @see zclient_new |
689f5a8c DL |
209 | */ |
210 | int zclient_socket_connect(struct zclient *zclient) | |
718e3744 | 211 | { |
d62a17ae | 212 | int sock; |
213 | int ret; | |
d62a17ae | 214 | |
215 | /* We should think about IPv6 connection. */ | |
689f5a8c | 216 | sock = socket(zclient_addr.ss_family, SOCK_STREAM, 0); |
d62a17ae | 217 | if (sock < 0) |
218 | return -1; | |
219 | ||
689f5a8c | 220 | set_cloexec(sock); |
338b8e91 | 221 | setsockopt_so_sendbuf(sock, 1048576); |
342213ea | 222 | |
d62a17ae | 223 | /* Connect to zebra. */ |
996c9314 | 224 | ret = connect(sock, (struct sockaddr *)&zclient_addr, zclient_addr_len); |
d62a17ae | 225 | if (ret < 0) { |
226 | if (zclient_debug) | |
decbd929 DS |
227 | zlog_debug("%s connect failure: %d(%s)", |
228 | __PRETTY_FUNCTION__, errno, | |
229 | safe_strerror(errno)); | |
d62a17ae | 230 | close(sock); |
231 | return -1; | |
232 | } | |
718e3744 | 233 | |
689f5a8c | 234 | zclient->sock = sock; |
d62a17ae | 235 | return sock; |
718e3744 | 236 | } |
237 | ||
d62a17ae | 238 | static int zclient_failed(struct zclient *zclient) |
634f9ea2 | 239 | { |
d62a17ae | 240 | zclient->fail++; |
241 | zclient_stop(zclient); | |
242 | zclient_event(ZCLIENT_CONNECT, zclient); | |
243 | return -1; | |
634f9ea2 | 244 | } |
245 | ||
d62a17ae | 246 | static int zclient_flush_data(struct thread *thread) |
634f9ea2 | 247 | { |
d62a17ae | 248 | struct zclient *zclient = THREAD_ARG(thread); |
249 | ||
250 | zclient->t_write = NULL; | |
251 | if (zclient->sock < 0) | |
252 | return -1; | |
253 | switch (buffer_flush_available(zclient->wb, zclient->sock)) { | |
254 | case BUFFER_ERROR: | |
ade6974d | 255 | flog_err( |
450971aa | 256 | EC_LIB_ZAPI_SOCKET, |
ade6974d QY |
257 | "%s: buffer_flush_available failed on zclient fd %d, closing", |
258 | __func__, zclient->sock); | |
d62a17ae | 259 | return zclient_failed(zclient); |
260 | break; | |
261 | case BUFFER_PENDING: | |
262 | zclient->t_write = NULL; | |
263 | thread_add_write(zclient->master, zclient_flush_data, zclient, | |
264 | zclient->sock, &zclient->t_write); | |
265 | break; | |
266 | case BUFFER_EMPTY: | |
267 | break; | |
268 | } | |
269 | return 0; | |
634f9ea2 | 270 | } |
271 | ||
d62a17ae | 272 | int zclient_send_message(struct zclient *zclient) |
634f9ea2 | 273 | { |
d62a17ae | 274 | if (zclient->sock < 0) |
275 | return -1; | |
276 | switch (buffer_write(zclient->wb, zclient->sock, | |
277 | STREAM_DATA(zclient->obuf), | |
278 | stream_get_endp(zclient->obuf))) { | |
279 | case BUFFER_ERROR: | |
450971aa | 280 | flog_err(EC_LIB_ZAPI_SOCKET, |
decbd929 DS |
281 | "%s: buffer_write failed to zclient fd %d, closing", |
282 | __func__, zclient->sock); | |
d62a17ae | 283 | return zclient_failed(zclient); |
284 | break; | |
285 | case BUFFER_EMPTY: | |
286 | THREAD_OFF(zclient->t_write); | |
287 | break; | |
288 | case BUFFER_PENDING: | |
289 | thread_add_write(zclient->master, zclient_flush_data, zclient, | |
290 | zclient->sock, &zclient->t_write); | |
291 | break; | |
292 | } | |
293 | return 0; | |
634f9ea2 | 294 | } |
295 | ||
d62a17ae | 296 | void zclient_create_header(struct stream *s, uint16_t command, vrf_id_t vrf_id) |
c1b9800a | 297 | { |
d62a17ae | 298 | /* length placeholder, caller can update */ |
299 | stream_putw(s, ZEBRA_HEADER_SIZE); | |
300 | stream_putc(s, ZEBRA_HEADER_MARKER); | |
301 | stream_putc(s, ZSERV_VERSION); | |
a9ff90c4 | 302 | stream_putl(s, vrf_id); |
d62a17ae | 303 | stream_putw(s, command); |
c1b9800a | 304 | } |
305 | ||
d7c0a89a QY |
306 | int zclient_read_header(struct stream *s, int sock, uint16_t *size, |
307 | uint8_t *marker, uint8_t *version, vrf_id_t *vrf_id, | |
308 | uint16_t *cmd) | |
55119089 | 309 | { |
d62a17ae | 310 | if (stream_read(s, sock, ZEBRA_HEADER_SIZE) != ZEBRA_HEADER_SIZE) |
311 | return -1; | |
312 | ||
ec93aa12 DS |
313 | STREAM_GETW(s, *size); |
314 | *size -= ZEBRA_HEADER_SIZE; | |
315 | STREAM_GETC(s, *marker); | |
316 | STREAM_GETC(s, *version); | |
a9ff90c4 | 317 | STREAM_GETL(s, *vrf_id); |
ec93aa12 | 318 | STREAM_GETW(s, *cmd); |
d62a17ae | 319 | |
320 | if (*version != ZSERV_VERSION || *marker != ZEBRA_HEADER_MARKER) { | |
1c50c1c0 QY |
321 | flog_err( |
322 | EC_LIB_ZAPI_MISSMATCH, | |
323 | "%s: socket %d version mismatch, marker %d, version %d", | |
324 | __func__, sock, *marker, *version); | |
d62a17ae | 325 | return -1; |
326 | } | |
327 | ||
328 | if (*size && stream_read(s, sock, *size) != *size) | |
329 | return -1; | |
330 | ||
331 | return 0; | |
6a2b0d9a RW |
332 | stream_failure: |
333 | return -1; | |
55119089 ND |
334 | } |
335 | ||
124ead27 QY |
336 | bool zapi_parse_header(struct stream *zmsg, struct zmsghdr *hdr) |
337 | { | |
338 | STREAM_GETW(zmsg, hdr->length); | |
339 | STREAM_GETC(zmsg, hdr->marker); | |
340 | STREAM_GETC(zmsg, hdr->version); | |
107afcd1 | 341 | STREAM_GETL(zmsg, hdr->vrf_id); |
124ead27 QY |
342 | STREAM_GETW(zmsg, hdr->command); |
343 | return true; | |
344 | stream_failure: | |
345 | return false; | |
346 | } | |
347 | ||
634f9ea2 | 348 | /* Send simple Zebra message. */ |
d62a17ae | 349 | static int zebra_message_send(struct zclient *zclient, int command, |
350 | vrf_id_t vrf_id) | |
718e3744 | 351 | { |
d62a17ae | 352 | struct stream *s; |
718e3744 | 353 | |
d62a17ae | 354 | /* Get zclient output buffer. */ |
355 | s = zclient->obuf; | |
356 | stream_reset(s); | |
718e3744 | 357 | |
d62a17ae | 358 | /* Send very simple command only Zebra message. */ |
359 | zclient_create_header(s, command, vrf_id); | |
360 | ||
361 | return zclient_send_message(zclient); | |
718e3744 | 362 | } |
363 | ||
d62a17ae | 364 | static int zebra_hello_send(struct zclient *zclient) |
2ea1ab1c | 365 | { |
d62a17ae | 366 | struct stream *s; |
367 | ||
368 | if (zclient->redist_default) { | |
369 | s = zclient->obuf; | |
370 | stream_reset(s); | |
371 | ||
372 | /* The VRF ID in the HELLO message is always 0. */ | |
373 | zclient_create_header(s, ZEBRA_HELLO, VRF_DEFAULT); | |
374 | stream_putc(s, zclient->redist_default); | |
375 | stream_putw(s, zclient->instance); | |
e1a1880d DS |
376 | if (zclient->receive_notify) |
377 | stream_putc(s, 1); | |
378 | else | |
379 | stream_putc(s, 0); | |
380 | ||
d62a17ae | 381 | stream_putw_at(s, 0, stream_get_endp(s)); |
382 | return zclient_send_message(zclient); | |
383 | } | |
384 | ||
385 | return 0; | |
2ea1ab1c VT |
386 | } |
387 | ||
7d061b3c | 388 | void zclient_send_vrf_label(struct zclient *zclient, vrf_id_t vrf_id, afi_t afi, |
339e36d2 | 389 | mpls_label_t label, enum lsp_types_t ltype) |
c83c5e44 DS |
390 | { |
391 | struct stream *s; | |
392 | ||
393 | s = zclient->obuf; | |
394 | stream_reset(s); | |
395 | ||
396 | zclient_create_header(s, ZEBRA_VRF_LABEL, vrf_id); | |
397 | stream_putl(s, label); | |
7d061b3c | 398 | stream_putc(s, afi); |
339e36d2 | 399 | stream_putc(s, ltype); |
c83c5e44 DS |
400 | stream_putw_at(s, 0, stream_get_endp(s)); |
401 | zclient_send_message(zclient); | |
402 | } | |
403 | ||
0e5223e7 | 404 | /* Send register requests to zebra daemon for the information in a VRF. */ |
d62a17ae | 405 | void zclient_send_reg_requests(struct zclient *zclient, vrf_id_t vrf_id) |
7076bb2f | 406 | { |
d62a17ae | 407 | int i; |
408 | afi_t afi; | |
409 | ||
d62a17ae | 410 | /* If not connected to the zebra yet. */ |
411 | if (zclient->sock < 0) | |
412 | return; | |
413 | ||
414 | if (zclient_debug) | |
415 | zlog_debug("%s: send register messages for VRF %u", __func__, | |
416 | vrf_id); | |
417 | ||
418 | /* We need router-id information. */ | |
419 | zebra_message_send(zclient, ZEBRA_ROUTER_ID_ADD, vrf_id); | |
420 | ||
eeb2dfa3 DS |
421 | /* We need interface information. */ |
422 | zebra_message_send(zclient, ZEBRA_INTERFACE_ADD, vrf_id); | |
423 | ||
d62a17ae | 424 | /* Set unwanted redistribute route. */ |
425 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
426 | vrf_bitmap_set(zclient->redist[afi][zclient->redist_default], | |
427 | vrf_id); | |
428 | ||
429 | /* Flush all redistribute request. */ | |
0d9e7f45 DS |
430 | if (vrf_id == VRF_DEFAULT) { |
431 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
432 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
433 | if (!zclient->mi_redist[afi][i].enabled) | |
434 | continue; | |
435 | ||
436 | struct listnode *node; | |
d7c0a89a | 437 | unsigned short *id; |
0d9e7f45 DS |
438 | |
439 | for (ALL_LIST_ELEMENTS_RO( | |
440 | zclient->mi_redist[afi][i] | |
996c9314 LB |
441 | .instances, |
442 | node, id)) | |
0d9e7f45 DS |
443 | if (!(i == zclient->redist_default |
444 | && *id == zclient->instance)) | |
445 | zebra_redistribute_send( | |
446 | ZEBRA_REDISTRIBUTE_ADD, | |
996c9314 | 447 | zclient, afi, i, *id, |
0d9e7f45 DS |
448 | VRF_DEFAULT); |
449 | } | |
450 | } | |
451 | } | |
d62a17ae | 452 | |
70172b1c | 453 | /* Resend all redistribute request. */ |
49db7a7b | 454 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
d62a17ae | 455 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
456 | if (i != zclient->redist_default | |
457 | && vrf_bitmap_check(zclient->redist[afi][i], | |
458 | vrf_id)) | |
459 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, | |
460 | zclient, afi, i, 0, | |
461 | vrf_id); | |
462 | ||
49db7a7b | 463 | /* If default information is needed. */ |
d7637898 | 464 | if (vrf_bitmap_check(zclient->default_information[afi], vrf_id)) |
49db7a7b RW |
465 | zebra_redistribute_default_send( |
466 | ZEBRA_REDISTRIBUTE_DEFAULT_ADD, zclient, afi, | |
467 | vrf_id); | |
468 | } | |
7076bb2f FL |
469 | } |
470 | ||
0e5223e7 | 471 | /* Send unregister requests to zebra daemon for the information in a VRF. */ |
d62a17ae | 472 | void zclient_send_dereg_requests(struct zclient *zclient, vrf_id_t vrf_id) |
0e5223e7 | 473 | { |
d62a17ae | 474 | int i; |
475 | afi_t afi; | |
476 | ||
d62a17ae | 477 | /* If not connected to the zebra yet. */ |
478 | if (zclient->sock < 0) | |
479 | return; | |
480 | ||
481 | if (zclient_debug) | |
482 | zlog_debug("%s: send deregister messages for VRF %u", __func__, | |
483 | vrf_id); | |
484 | ||
485 | /* We need router-id information. */ | |
486 | zebra_message_send(zclient, ZEBRA_ROUTER_ID_DELETE, vrf_id); | |
487 | ||
eeb2dfa3 | 488 | zebra_message_send(zclient, ZEBRA_INTERFACE_DELETE, vrf_id); |
d62a17ae | 489 | |
d62a17ae | 490 | /* Set unwanted redistribute route. */ |
491 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
09eef679 DS |
492 | vrf_bitmap_unset(zclient->redist[afi][zclient->redist_default], |
493 | vrf_id); | |
d62a17ae | 494 | |
495 | /* Flush all redistribute request. */ | |
0d9e7f45 DS |
496 | if (vrf_id == VRF_DEFAULT) { |
497 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
498 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
499 | if (!zclient->mi_redist[afi][i].enabled) | |
500 | continue; | |
501 | ||
502 | struct listnode *node; | |
d7c0a89a | 503 | unsigned short *id; |
0d9e7f45 DS |
504 | |
505 | for (ALL_LIST_ELEMENTS_RO( | |
506 | zclient->mi_redist[afi][i] | |
996c9314 LB |
507 | .instances, |
508 | node, id)) | |
0d9e7f45 DS |
509 | if (!(i == zclient->redist_default |
510 | && *id == zclient->instance)) | |
511 | zebra_redistribute_send( | |
512 | ZEBRA_REDISTRIBUTE_DELETE, | |
996c9314 | 513 | zclient, afi, i, *id, |
0d9e7f45 DS |
514 | VRF_DEFAULT); |
515 | } | |
516 | } | |
517 | } | |
d62a17ae | 518 | |
519 | /* Flush all redistribute request. */ | |
49db7a7b | 520 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
d62a17ae | 521 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
522 | if (i != zclient->redist_default | |
523 | && vrf_bitmap_check(zclient->redist[afi][i], | |
524 | vrf_id)) | |
525 | zebra_redistribute_send( | |
526 | ZEBRA_REDISTRIBUTE_DELETE, zclient, afi, | |
527 | i, 0, vrf_id); | |
528 | ||
49db7a7b | 529 | /* If default information is needed. */ |
d7637898 | 530 | if (vrf_bitmap_check(zclient->default_information[afi], vrf_id)) |
49db7a7b RW |
531 | zebra_redistribute_default_send( |
532 | ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, zclient, afi, | |
533 | vrf_id); | |
534 | } | |
0e5223e7 | 535 | } |
536 | ||
4a04e5f7 | 537 | /* Send request to zebra daemon to start or stop RA. */ |
d62a17ae | 538 | void zclient_send_interface_radv_req(struct zclient *zclient, vrf_id_t vrf_id, |
539 | struct interface *ifp, int enable, | |
540 | int ra_interval) | |
4a04e5f7 | 541 | { |
d62a17ae | 542 | struct stream *s; |
4a04e5f7 | 543 | |
d62a17ae | 544 | /* If not connected to the zebra yet. */ |
545 | if (zclient->sock < 0) | |
546 | return; | |
4a04e5f7 | 547 | |
d62a17ae | 548 | /* Form and send message. */ |
549 | s = zclient->obuf; | |
550 | stream_reset(s); | |
4a04e5f7 | 551 | |
d62a17ae | 552 | if (enable) |
553 | zclient_create_header(s, ZEBRA_INTERFACE_ENABLE_RADV, vrf_id); | |
554 | else | |
555 | zclient_create_header(s, ZEBRA_INTERFACE_DISABLE_RADV, vrf_id); | |
4a04e5f7 | 556 | |
d62a17ae | 557 | stream_putl(s, ifp->ifindex); |
558 | stream_putl(s, ra_interval); | |
4a04e5f7 | 559 | |
d62a17ae | 560 | stream_putw_at(s, 0, stream_get_endp(s)); |
4a04e5f7 | 561 | |
d62a17ae | 562 | zclient_send_message(zclient); |
4a04e5f7 | 563 | } |
564 | ||
c3bd894e QY |
565 | int zclient_send_interface_protodown(struct zclient *zclient, vrf_id_t vrf_id, |
566 | struct interface *ifp, bool down) | |
567 | { | |
568 | struct stream *s; | |
569 | ||
570 | if (zclient->sock < 0) | |
571 | return -1; | |
572 | ||
573 | s = zclient->obuf; | |
574 | stream_reset(s); | |
575 | zclient_create_header(s, ZEBRA_INTERFACE_SET_PROTODOWN, vrf_id); | |
576 | stream_putl(s, ifp->ifindex); | |
577 | stream_putc(s, !!down); | |
578 | stream_putw_at(s, 0, stream_get_endp(s)); | |
579 | zclient_send_message(zclient); | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
718e3744 | 584 | /* Make connection to zebra daemon. */ |
d62a17ae | 585 | int zclient_start(struct zclient *zclient) |
718e3744 | 586 | { |
d62a17ae | 587 | if (zclient_debug) |
588 | zlog_info("zclient_start is called"); | |
589 | ||
d62a17ae | 590 | /* If already connected to the zebra. */ |
591 | if (zclient->sock >= 0) | |
592 | return 0; | |
593 | ||
594 | /* Check connect thread. */ | |
595 | if (zclient->t_connect) | |
596 | return 0; | |
597 | ||
598 | if (zclient_socket_connect(zclient) < 0) { | |
599 | if (zclient_debug) | |
600 | zlog_debug("zclient connection fail"); | |
601 | zclient->fail++; | |
602 | zclient_event(ZCLIENT_CONNECT, zclient); | |
603 | return -1; | |
604 | } | |
718e3744 | 605 | |
d62a17ae | 606 | if (set_nonblocking(zclient->sock) < 0) |
450971aa | 607 | flog_err(EC_LIB_ZAPI_SOCKET, "%s: set_nonblocking(%d) failed", |
ade6974d | 608 | __func__, zclient->sock); |
718e3744 | 609 | |
d62a17ae | 610 | /* Clear fail count. */ |
611 | zclient->fail = 0; | |
612 | if (zclient_debug) | |
613 | zlog_debug("zclient connect success with socket [%d]", | |
614 | zclient->sock); | |
718e3744 | 615 | |
d62a17ae | 616 | /* Create read thread. */ |
617 | zclient_event(ZCLIENT_READ, zclient); | |
718e3744 | 618 | |
d62a17ae | 619 | zebra_hello_send(zclient); |
718e3744 | 620 | |
22761baa DS |
621 | zebra_message_send(zclient, ZEBRA_INTERFACE_ADD, VRF_DEFAULT); |
622 | ||
d62a17ae | 623 | /* Inform the successful connection. */ |
624 | if (zclient->zebra_connected) | |
625 | (*zclient->zebra_connected)(zclient); | |
718e3744 | 626 | |
d62a17ae | 627 | return 0; |
718e3744 | 628 | } |
6b0655a2 | 629 | |
078430f6 DS |
630 | /* Initialize zebra client. Argument redist_default is unwanted |
631 | redistribute route type. */ | |
d7c0a89a QY |
632 | void zclient_init(struct zclient *zclient, int redist_default, |
633 | unsigned short instance, struct zebra_privs_t *privs) | |
078430f6 | 634 | { |
d62a17ae | 635 | int afi, i; |
636 | ||
d62a17ae | 637 | /* Set -1 to the default socket value. */ |
638 | zclient->sock = -1; | |
342213ea | 639 | zclient->privs = privs; |
d62a17ae | 640 | |
641 | /* Clear redistribution flags. */ | |
642 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
643 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
644 | zclient->redist[afi][i] = vrf_bitmap_init(); | |
645 | ||
646 | /* Set unwanted redistribute route. bgpd does not need BGP route | |
647 | redistribution. */ | |
648 | zclient->redist_default = redist_default; | |
649 | zclient->instance = instance; | |
650 | /* Pending: make afi(s) an arg. */ | |
49db7a7b | 651 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
d62a17ae | 652 | redist_add_instance(&zclient->mi_redist[afi][redist_default], |
653 | instance); | |
654 | ||
49db7a7b RW |
655 | /* Set default-information redistribute to zero. */ |
656 | zclient->default_information[afi] = vrf_bitmap_init(); | |
657 | } | |
d62a17ae | 658 | |
659 | if (zclient_debug) | |
cdc6ed90 | 660 | zlog_debug("scheduling zclient connection"); |
d62a17ae | 661 | |
662 | zclient_event(ZCLIENT_SCHEDULE, zclient); | |
7076bb2f | 663 | } |
078430f6 | 664 | |
7076bb2f FL |
665 | /* This function is a wrapper function for calling zclient_start from |
666 | timer or event thread. */ | |
d62a17ae | 667 | static int zclient_connect(struct thread *t) |
7076bb2f | 668 | { |
d62a17ae | 669 | struct zclient *zclient; |
078430f6 | 670 | |
d62a17ae | 671 | zclient = THREAD_ARG(t); |
672 | zclient->t_connect = NULL; | |
078430f6 | 673 | |
d62a17ae | 674 | if (zclient_debug) |
675 | zlog_debug("zclient_connect is called"); | |
078430f6 | 676 | |
d62a17ae | 677 | return zclient_start(zclient); |
078430f6 DS |
678 | } |
679 | ||
3c192540 DS |
680 | int zclient_send_rnh(struct zclient *zclient, int command, struct prefix *p, |
681 | bool exact_match, vrf_id_t vrf_id) | |
682 | { | |
683 | struct stream *s; | |
684 | ||
685 | s = zclient->obuf; | |
686 | stream_reset(s); | |
687 | zclient_create_header(s, command, vrf_id); | |
688 | stream_putc(s, (exact_match) ? 1 : 0); | |
689 | ||
690 | stream_putw(s, PREFIX_FAMILY(p)); | |
691 | stream_putc(s, p->prefixlen); | |
692 | switch (PREFIX_FAMILY(p)) { | |
693 | case AF_INET: | |
694 | stream_put_in_addr(s, &p->u.prefix4); | |
695 | break; | |
696 | case AF_INET6: | |
697 | stream_put(s, &(p->u.prefix6), 16); | |
698 | break; | |
699 | default: | |
700 | break; | |
701 | } | |
702 | stream_putw_at(s, 0, stream_get_endp(s)); | |
703 | ||
704 | return zclient_send_message(zclient); | |
705 | } | |
706 | ||
d62a17ae | 707 | /* |
708 | * "xdr_encode"-like interface that allows daemon (client) to send | |
709 | * a message to zebra server for a route that needs to be | |
710 | * added/deleted to the kernel. Info about the route is specified | |
04772760 | 711 | * by the caller in a struct zapi_route. zapi_route_encode() then writes |
d62a17ae | 712 | * the info down the zclient socket using the stream_* functions. |
713 | * | |
714 | * The corresponding read ("xdr_decode") function on the server | |
04772760 | 715 | * side is zapi_route_decode(). |
d62a17ae | 716 | * |
717 | * 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F | |
718 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
719 | * | Length (2) | Command | Route Type | | |
720 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
721 | * | ZEBRA Flags | Message Flags | Prefix length | | |
722 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
723 | * | Destination IPv4 Prefix for route | | |
724 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
725 | * | Nexthop count | | |
726 | * +-+-+-+-+-+-+-+-+ | |
727 | * | |
728 | * | |
729 | * A number of IPv4 nexthop(s) or nexthop interface index(es) are then | |
730 | * described, as per the Nexthop count. Each nexthop described as: | |
731 | * | |
732 | * +-+-+-+-+-+-+-+-+ | |
733 | * | Nexthop Type | Set to one of ZEBRA_NEXTHOP_* | |
734 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
735 | * | IPv4 Nexthop address or Interface Index number | | |
736 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
737 | * | |
09a484dd DL |
738 | * Alternatively, if the route is a blackhole route, then Nexthop count |
739 | * is set to 1 and a nexthop of type NEXTHOP_TYPE_BLACKHOLE is the sole | |
740 | * nexthop. | |
d62a17ae | 741 | * |
04772760 DS |
742 | * The original struct zapi_route_*() infrastructure was built around |
743 | * the traditional (32-bit "gate OR ifindex") nexthop data unit. | |
744 | * A special encoding can be used to feed onlink (64-bit "gate AND ifindex") | |
745 | * nexthops into zapi_route_encode() using the same zapi_route structure. | |
746 | * This is done by setting zapi_route fields as follows: | |
d62a17ae | 747 | * - .message |= ZAPI_MESSAGE_NEXTHOP | ZAPI_MESSAGE_ONLINK |
748 | * - .nexthop_num == .ifindex_num | |
749 | * - .nexthop and .ifindex are filled with gate and ifindex parts of | |
750 | * each compound nexthop, both in the same order | |
751 | * | |
d62a17ae | 752 | * If ZAPI_MESSAGE_DISTANCE is set, the distance value is written as a 1 |
753 | * byte value. | |
754 | * | |
755 | * If ZAPI_MESSAGE_METRIC is set, the metric value is written as an 8 | |
756 | * byte value. | |
757 | * | |
758 | * If ZAPI_MESSAGE_TAG is set, the tag value is written as a 4 byte value | |
759 | * | |
760 | * If ZAPI_MESSAGE_MTU is set, the mtu value is written as a 4 byte value | |
761 | * | |
762 | * XXX: No attention paid to alignment. | |
763 | */ | |
d7c0a89a | 764 | int zclient_route_send(uint8_t cmd, struct zclient *zclient, |
0e51b4a3 | 765 | struct zapi_route *api) |
657cde12 | 766 | { |
0e51b4a3 RW |
767 | if (zapi_route_encode(cmd, zclient->obuf, api) < 0) |
768 | return -1; | |
769 | return zclient_send_message(zclient); | |
770 | } | |
771 | ||
3c6e0bd4 SW |
772 | static int zapi_nexthop_labels_cmp(const struct zapi_nexthop *next1, |
773 | const struct zapi_nexthop *next2) | |
774 | { | |
775 | if (next1->label_num > next2->label_num) | |
776 | return 1; | |
777 | ||
778 | if (next1->label_num < next2->label_num) | |
779 | return -1; | |
780 | ||
781 | return memcmp(next1->labels, next2->labels, next1->label_num); | |
782 | } | |
783 | ||
784 | static int zapi_nexthop_cmp_no_labels(const struct zapi_nexthop *next1, | |
785 | const struct zapi_nexthop *next2) | |
786 | { | |
787 | int ret = 0; | |
788 | ||
789 | if (next1->vrf_id < next2->vrf_id) | |
790 | return -1; | |
791 | ||
792 | if (next1->vrf_id > next2->vrf_id) | |
793 | return 1; | |
794 | ||
795 | if (next1->type < next2->type) | |
796 | return -1; | |
797 | ||
798 | if (next1->type > next2->type) | |
799 | return 1; | |
800 | ||
801 | switch (next1->type) { | |
802 | case NEXTHOP_TYPE_IPV4: | |
803 | case NEXTHOP_TYPE_IPV6: | |
804 | ret = nexthop_g_addr_cmp(next1->type, &next1->gate, | |
805 | &next2->gate); | |
806 | if (ret != 0) | |
807 | return ret; | |
808 | break; | |
809 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
810 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
811 | ret = nexthop_g_addr_cmp(next1->type, &next1->gate, | |
812 | &next2->gate); | |
813 | if (ret != 0) | |
814 | return ret; | |
815 | /* Intentional Fall-Through */ | |
816 | case NEXTHOP_TYPE_IFINDEX: | |
817 | if (next1->ifindex < next2->ifindex) | |
818 | return -1; | |
819 | ||
820 | if (next1->ifindex > next2->ifindex) | |
821 | return 1; | |
822 | break; | |
823 | case NEXTHOP_TYPE_BLACKHOLE: | |
824 | if (next1->bh_type < next2->bh_type) | |
825 | return -1; | |
826 | ||
827 | if (next1->bh_type > next2->bh_type) | |
828 | return 1; | |
829 | break; | |
830 | } | |
831 | ||
832 | return 0; | |
833 | } | |
834 | ||
835 | static int zapi_nexthop_cmp(const void *item1, const void *item2) | |
836 | { | |
837 | int ret = 0; | |
838 | ||
839 | const struct zapi_nexthop *next1 = item1; | |
840 | const struct zapi_nexthop *next2 = item2; | |
841 | ||
842 | ret = zapi_nexthop_cmp_no_labels(next1, next2); | |
843 | if (ret != 0) | |
844 | return ret; | |
845 | ||
846 | ret = zapi_nexthop_labels_cmp(next1, next2); | |
847 | ||
848 | return ret; | |
849 | } | |
850 | ||
851 | static void zapi_nexthop_group_sort(struct zapi_nexthop *nh_grp, | |
852 | uint16_t nexthop_num) | |
853 | { | |
854 | qsort(nh_grp, nexthop_num, sizeof(struct zapi_nexthop), | |
855 | &zapi_nexthop_cmp); | |
856 | } | |
857 | ||
d7c0a89a | 858 | int zapi_route_encode(uint8_t cmd, struct stream *s, struct zapi_route *api) |
0e51b4a3 RW |
859 | { |
860 | struct zapi_nexthop *api_nh; | |
d62a17ae | 861 | int i; |
862 | int psize; | |
d62a17ae | 863 | |
d62a17ae | 864 | stream_reset(s); |
d62a17ae | 865 | zclient_create_header(s, cmd, api->vrf_id); |
866 | ||
e4081c0e RW |
867 | if (api->type >= ZEBRA_ROUTE_MAX) { |
868 | flog_err(EC_LIB_ZAPI_ENCODE, | |
869 | "%s: Specified route type (%u) is not a legal value\n", | |
870 | __PRETTY_FUNCTION__, api->type); | |
871 | return -1; | |
872 | } | |
d62a17ae | 873 | stream_putc(s, api->type); |
e4081c0e | 874 | |
d62a17ae | 875 | stream_putw(s, api->instance); |
876 | stream_putl(s, api->flags); | |
877 | stream_putc(s, api->message); | |
e4081c0e RW |
878 | |
879 | if (api->safi < SAFI_UNICAST || api->safi >= SAFI_MAX) { | |
880 | flog_err(EC_LIB_ZAPI_ENCODE, | |
881 | "%s: Specified route SAFI (%u) is not a legal value\n", | |
882 | __PRETTY_FUNCTION__, api->safi); | |
883 | return -1; | |
884 | } | |
832d0f56 | 885 | stream_putc(s, api->safi); |
d62a17ae | 886 | |
887 | /* Put prefix information. */ | |
0e51b4a3 | 888 | stream_putc(s, api->prefix.family); |
bb1b9c47 RW |
889 | psize = PSIZE(api->prefix.prefixlen); |
890 | stream_putc(s, api->prefix.prefixlen); | |
d7c0a89a | 891 | stream_write(s, (uint8_t *)&api->prefix.u.prefix, psize); |
d62a17ae | 892 | |
893 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_SRCPFX)) { | |
bb1b9c47 RW |
894 | psize = PSIZE(api->src_prefix.prefixlen); |
895 | stream_putc(s, api->src_prefix.prefixlen); | |
d7c0a89a | 896 | stream_write(s, (uint8_t *)&api->src_prefix.prefix, psize); |
d62a17ae | 897 | } |
898 | ||
0e51b4a3 | 899 | /* Nexthops. */ |
d62a17ae | 900 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_NEXTHOP)) { |
bb1b9c47 RW |
901 | /* limit the number of nexthops if necessary */ |
902 | if (api->nexthop_num > MULTIPATH_NUM) { | |
903 | char buf[PREFIX2STR_BUFFER]; | |
904 | ||
905 | prefix2str(&api->prefix, buf, sizeof(buf)); | |
ade6974d | 906 | flog_err( |
450971aa | 907 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
908 | "%s: prefix %s: can't encode %u nexthops (maximum is %u)", |
909 | __func__, buf, api->nexthop_num, MULTIPATH_NUM); | |
a74e593b | 910 | return -1; |
bb1b9c47 RW |
911 | } |
912 | ||
3c6e0bd4 SW |
913 | zapi_nexthop_group_sort(api->nexthops, api->nexthop_num); |
914 | ||
b5f79651 | 915 | stream_putw(s, api->nexthop_num); |
d62a17ae | 916 | |
917 | for (i = 0; i < api->nexthop_num; i++) { | |
bb1b9c47 RW |
918 | api_nh = &api->nexthops[i]; |
919 | ||
4a7371e9 | 920 | stream_putl(s, api_nh->vrf_id); |
bb1b9c47 | 921 | stream_putc(s, api_nh->type); |
fe85601c | 922 | stream_putc(s, api_nh->onlink); |
bb1b9c47 | 923 | switch (api_nh->type) { |
d62a17ae | 924 | case NEXTHOP_TYPE_BLACKHOLE: |
94758e66 | 925 | stream_putc(s, api_nh->bh_type); |
d62a17ae | 926 | break; |
927 | case NEXTHOP_TYPE_IPV4: | |
bb1b9c47 | 928 | stream_put_in_addr(s, &api_nh->gate.ipv4); |
d62a17ae | 929 | break; |
930 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
bb1b9c47 RW |
931 | stream_put_in_addr(s, &api_nh->gate.ipv4); |
932 | stream_putl(s, api_nh->ifindex); | |
d62a17ae | 933 | break; |
934 | case NEXTHOP_TYPE_IFINDEX: | |
bb1b9c47 | 935 | stream_putl(s, api_nh->ifindex); |
d62a17ae | 936 | break; |
937 | case NEXTHOP_TYPE_IPV6: | |
d7c0a89a | 938 | stream_write(s, (uint8_t *)&api_nh->gate.ipv6, |
bb1b9c47 | 939 | 16); |
d62a17ae | 940 | break; |
941 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
d7c0a89a | 942 | stream_write(s, (uint8_t *)&api_nh->gate.ipv6, |
bb1b9c47 RW |
943 | 16); |
944 | stream_putl(s, api_nh->ifindex); | |
d62a17ae | 945 | break; |
946 | } | |
bb1b9c47 | 947 | |
52dd3aa4 RW |
948 | /* MPLS labels for BGP-LU or Segment Routing */ |
949 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_LABEL)) { | |
950 | if (api_nh->label_num > MPLS_MAX_LABELS) { | |
951 | char buf[PREFIX2STR_BUFFER]; | |
952 | prefix2str(&api->prefix, buf, | |
953 | sizeof(buf)); | |
450971aa | 954 | flog_err(EC_LIB_ZAPI_ENCODE, |
1c50c1c0 QY |
955 | "%s: prefix %s: can't encode " |
956 | "%u labels (maximum is %u)", | |
957 | __func__, buf, | |
958 | api_nh->label_num, | |
959 | MPLS_MAX_LABELS); | |
52dd3aa4 RW |
960 | return -1; |
961 | } | |
962 | ||
963 | stream_putc(s, api_nh->label_num); | |
964 | stream_put(s, &api_nh->labels[0], | |
965 | api_nh->label_num | |
966 | * sizeof(mpls_label_t)); | |
967 | } | |
a317a9b9 | 968 | |
969 | /* Router MAC for EVPN routes. */ | |
970 | if (CHECK_FLAG(api->flags, ZEBRA_FLAG_EVPN_ROUTE)) | |
971 | stream_put(s, &(api_nh->rmac), | |
972 | sizeof(struct ethaddr)); | |
d62a17ae | 973 | } |
974 | } | |
975 | ||
0e51b4a3 | 976 | /* Attributes. */ |
d62a17ae | 977 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_DISTANCE)) |
978 | stream_putc(s, api->distance); | |
979 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_METRIC)) | |
980 | stream_putl(s, api->metric); | |
981 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TAG)) | |
982 | stream_putl(s, api->tag); | |
983 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_MTU)) | |
984 | stream_putl(s, api->mtu); | |
ba1849ef DS |
985 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TABLEID)) |
986 | stream_putl(s, api->tableid); | |
d62a17ae | 987 | |
988 | /* Put length at the first point of the stream. */ | |
989 | stream_putw_at(s, 0, stream_get_endp(s)); | |
990 | ||
0e51b4a3 RW |
991 | return 0; |
992 | } | |
993 | ||
994 | int zapi_route_decode(struct stream *s, struct zapi_route *api) | |
995 | { | |
996 | struct zapi_nexthop *api_nh; | |
997 | int i; | |
998 | ||
999 | memset(api, 0, sizeof(*api)); | |
1000 | ||
1001 | /* Type, flags, message. */ | |
ec93aa12 | 1002 | STREAM_GETC(s, api->type); |
e4081c0e | 1003 | if (api->type >= ZEBRA_ROUTE_MAX) { |
450971aa | 1004 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1005 | "%s: Specified route type: %d is not a legal value\n", |
1006 | __PRETTY_FUNCTION__, api->type); | |
ec93aa12 DS |
1007 | return -1; |
1008 | } | |
1009 | ||
1010 | STREAM_GETW(s, api->instance); | |
1011 | STREAM_GETL(s, api->flags); | |
1012 | STREAM_GETC(s, api->message); | |
832d0f56 | 1013 | STREAM_GETC(s, api->safi); |
e4081c0e RW |
1014 | if (api->safi < SAFI_UNICAST || api->safi >= SAFI_MAX) { |
1015 | flog_err(EC_LIB_ZAPI_ENCODE, | |
1016 | "%s: Specified route SAFI (%u) is not a legal value\n", | |
1017 | __PRETTY_FUNCTION__, api->safi); | |
1018 | return -1; | |
1019 | } | |
0e51b4a3 RW |
1020 | |
1021 | /* Prefix. */ | |
ec93aa12 DS |
1022 | STREAM_GETC(s, api->prefix.family); |
1023 | STREAM_GETC(s, api->prefix.prefixlen); | |
0e51b4a3 RW |
1024 | switch (api->prefix.family) { |
1025 | case AF_INET: | |
ec93aa12 | 1026 | if (api->prefix.prefixlen > IPV4_MAX_PREFIXLEN) { |
ade6974d | 1027 | flog_err( |
450971aa | 1028 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1029 | "%s: V4 prefixlen is %d which should not be more than 32", |
1030 | __PRETTY_FUNCTION__, api->prefix.prefixlen); | |
ec93aa12 DS |
1031 | return -1; |
1032 | } | |
0e51b4a3 RW |
1033 | break; |
1034 | case AF_INET6: | |
ec93aa12 | 1035 | if (api->prefix.prefixlen > IPV6_MAX_PREFIXLEN) { |
ade6974d | 1036 | flog_err( |
450971aa | 1037 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1038 | "%s: v6 prefixlen is %d which should not be more than 128", |
1039 | __PRETTY_FUNCTION__, api->prefix.prefixlen); | |
ec93aa12 DS |
1040 | return -1; |
1041 | } | |
0e51b4a3 | 1042 | break; |
ec93aa12 | 1043 | default: |
450971aa | 1044 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1045 | "%s: Specified family %d is not v4 or v6", |
1046 | __PRETTY_FUNCTION__, api->prefix.family); | |
ec93aa12 | 1047 | return -1; |
0e51b4a3 | 1048 | } |
ec93aa12 DS |
1049 | STREAM_GET(&api->prefix.u.prefix, s, PSIZE(api->prefix.prefixlen)); |
1050 | ||
0e51b4a3 RW |
1051 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_SRCPFX)) { |
1052 | api->src_prefix.family = AF_INET6; | |
ec93aa12 DS |
1053 | STREAM_GETC(s, api->src_prefix.prefixlen); |
1054 | if (api->src_prefix.prefixlen > IPV6_MAX_PREFIXLEN) { | |
ade6974d | 1055 | flog_err( |
450971aa | 1056 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1057 | "%s: SRC Prefix prefixlen received: %d is too large", |
1058 | __PRETTY_FUNCTION__, api->src_prefix.prefixlen); | |
ec93aa12 DS |
1059 | return -1; |
1060 | } | |
1061 | STREAM_GET(&api->src_prefix.prefix, s, | |
0e51b4a3 RW |
1062 | PSIZE(api->src_prefix.prefixlen)); |
1063 | ||
1064 | if (api->prefix.family != AF_INET6 | |
ec93aa12 | 1065 | || api->src_prefix.prefixlen == 0) { |
ade6974d | 1066 | flog_err( |
450971aa | 1067 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1068 | "%s: SRC prefix specified in some manner that makes no sense", |
1069 | __PRETTY_FUNCTION__); | |
ec93aa12 DS |
1070 | return -1; |
1071 | } | |
0e51b4a3 RW |
1072 | } |
1073 | ||
1074 | /* Nexthops. */ | |
1075 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_NEXTHOP)) { | |
ec93aa12 | 1076 | STREAM_GETW(s, api->nexthop_num); |
0e51b4a3 | 1077 | if (api->nexthop_num > MULTIPATH_NUM) { |
450971aa | 1078 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1079 | "%s: invalid number of nexthops (%u)", |
1080 | __func__, api->nexthop_num); | |
0e51b4a3 RW |
1081 | return -1; |
1082 | } | |
1083 | ||
1084 | for (i = 0; i < api->nexthop_num; i++) { | |
1085 | api_nh = &api->nexthops[i]; | |
1086 | ||
4a7371e9 | 1087 | STREAM_GETL(s, api_nh->vrf_id); |
ec93aa12 | 1088 | STREAM_GETC(s, api_nh->type); |
fe85601c | 1089 | STREAM_GETC(s, api_nh->onlink); |
0e51b4a3 RW |
1090 | switch (api_nh->type) { |
1091 | case NEXTHOP_TYPE_BLACKHOLE: | |
ec93aa12 | 1092 | STREAM_GETC(s, api_nh->bh_type); |
0e51b4a3 RW |
1093 | break; |
1094 | case NEXTHOP_TYPE_IPV4: | |
ec93aa12 DS |
1095 | STREAM_GET(&api_nh->gate.ipv4.s_addr, s, |
1096 | IPV4_MAX_BYTELEN); | |
0e51b4a3 RW |
1097 | break; |
1098 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
ec93aa12 DS |
1099 | STREAM_GET(&api_nh->gate.ipv4.s_addr, s, |
1100 | IPV4_MAX_BYTELEN); | |
1101 | STREAM_GETL(s, api_nh->ifindex); | |
0e51b4a3 RW |
1102 | break; |
1103 | case NEXTHOP_TYPE_IFINDEX: | |
ec93aa12 | 1104 | STREAM_GETL(s, api_nh->ifindex); |
0e51b4a3 RW |
1105 | break; |
1106 | case NEXTHOP_TYPE_IPV6: | |
ec93aa12 | 1107 | STREAM_GET(&api_nh->gate.ipv6, s, 16); |
0e51b4a3 RW |
1108 | break; |
1109 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
ec93aa12 DS |
1110 | STREAM_GET(&api_nh->gate.ipv6, s, 16); |
1111 | STREAM_GETL(s, api_nh->ifindex); | |
0e51b4a3 RW |
1112 | break; |
1113 | } | |
1114 | ||
52dd3aa4 | 1115 | /* MPLS labels for BGP-LU or Segment Routing */ |
0e51b4a3 | 1116 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_LABEL)) { |
ec93aa12 | 1117 | STREAM_GETC(s, api_nh->label_num); |
52dd3aa4 RW |
1118 | |
1119 | if (api_nh->label_num > MPLS_MAX_LABELS) { | |
ade6974d | 1120 | flog_err( |
450971aa | 1121 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1122 | "%s: invalid number of MPLS labels (%u)", |
1123 | __func__, api_nh->label_num); | |
52dd3aa4 RW |
1124 | return -1; |
1125 | } | |
1126 | ||
ec93aa12 | 1127 | STREAM_GET(&api_nh->labels[0], s, |
52dd3aa4 RW |
1128 | api_nh->label_num |
1129 | * sizeof(mpls_label_t)); | |
0e51b4a3 | 1130 | } |
a317a9b9 | 1131 | |
1132 | /* Router MAC for EVPN routes. */ | |
1133 | if (CHECK_FLAG(api->flags, ZEBRA_FLAG_EVPN_ROUTE)) | |
1134 | stream_get(&(api_nh->rmac), s, | |
1135 | sizeof(struct ethaddr)); | |
0e51b4a3 RW |
1136 | } |
1137 | } | |
1138 | ||
1139 | /* Attributes. */ | |
1140 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_DISTANCE)) | |
ec93aa12 | 1141 | STREAM_GETC(s, api->distance); |
0e51b4a3 | 1142 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_METRIC)) |
ec93aa12 | 1143 | STREAM_GETL(s, api->metric); |
0e51b4a3 | 1144 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TAG)) |
ec93aa12 | 1145 | STREAM_GETL(s, api->tag); |
0e51b4a3 | 1146 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_MTU)) |
ec93aa12 | 1147 | STREAM_GETL(s, api->mtu); |
ba1849ef DS |
1148 | if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TABLEID)) |
1149 | STREAM_GETL(s, api->tableid); | |
0e51b4a3 RW |
1150 | |
1151 | return 0; | |
6a2b0d9a RW |
1152 | stream_failure: |
1153 | return -1; | |
657cde12 DS |
1154 | } |
1155 | ||
0313523d FR |
1156 | static void zapi_encode_prefix(struct stream *s, struct prefix *p, |
1157 | uint8_t family) | |
0031a6bb PG |
1158 | { |
1159 | struct prefix any; | |
1160 | ||
1161 | if (!p) { | |
1162 | memset(&any, 0, sizeof(any)); | |
1163 | any.family = family; | |
1164 | p = &any; | |
1165 | } | |
1166 | ||
1167 | stream_putc(s, p->family); | |
1168 | stream_putc(s, p->prefixlen); | |
1169 | stream_put(s, &p->u.prefix, prefix_blen(p)); | |
1170 | } | |
1171 | ||
0313523d | 1172 | int zapi_pbr_rule_encode(uint8_t cmd, struct stream *s, struct pbr_rule *zrule) |
0031a6bb PG |
1173 | { |
1174 | stream_reset(s); | |
1175 | zclient_create_header(s, cmd, zrule->vrf_id); | |
1176 | ||
1177 | /* | |
1178 | * We are sending one item at a time at the moment | |
1179 | */ | |
1180 | stream_putl(s, 1); | |
1181 | ||
1182 | stream_putl(s, zrule->seq); | |
1183 | stream_putl(s, zrule->priority); | |
1184 | stream_putl(s, zrule->unique); | |
1185 | ||
1186 | zapi_encode_prefix(s, &(zrule->filter.src_ip), | |
1187 | zrule->filter.src_ip.family); | |
0313523d | 1188 | stream_putw(s, zrule->filter.src_port); /* src port */ |
0031a6bb PG |
1189 | zapi_encode_prefix(s, &(zrule->filter.dst_ip), |
1190 | zrule->filter.src_ip.family); | |
0313523d FR |
1191 | stream_putw(s, zrule->filter.dst_port); /* dst port */ |
1192 | stream_putw(s, zrule->filter.fwmark); /* fwmark */ | |
0031a6bb PG |
1193 | |
1194 | stream_putl(s, zrule->action.table); | |
1195 | stream_putl(s, zrule->ifindex); | |
1196 | ||
1197 | /* Put length at the first point of the stream. */ | |
1198 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
7ea7b86e | 1203 | bool zapi_route_notify_decode(struct stream *s, struct prefix *p, |
28610f7e | 1204 | uint32_t *tableid, |
7ea7b86e DS |
1205 | enum zapi_route_notify_owner *note) |
1206 | { | |
7a1eb44b DS |
1207 | uint32_t t; |
1208 | ||
7ea7b86e DS |
1209 | STREAM_GET(note, s, sizeof(*note)); |
1210 | ||
1211 | STREAM_GETC(s, p->family); | |
1212 | STREAM_GETC(s, p->prefixlen); | |
996c9314 | 1213 | STREAM_GET(&p->u.prefix, s, prefix_blen(p)); |
7a1eb44b DS |
1214 | STREAM_GETL(s, t); |
1215 | ||
1216 | *tableid = t; | |
7ea7b86e DS |
1217 | |
1218 | return true; | |
1219 | ||
1220 | stream_failure: | |
1221 | return false; | |
1222 | } | |
1223 | ||
b6c5d343 DS |
1224 | bool zapi_rule_notify_decode(struct stream *s, uint32_t *seqno, |
1225 | uint32_t *priority, uint32_t *unique, | |
1226 | ifindex_t *ifindex, | |
1227 | enum zapi_rule_notify_owner *note) | |
1228 | { | |
1229 | uint32_t prio, seq, uni; | |
1230 | ifindex_t ifi; | |
1231 | ||
1232 | STREAM_GET(note, s, sizeof(*note)); | |
1233 | ||
1234 | STREAM_GETL(s, seq); | |
1235 | STREAM_GETL(s, prio); | |
1236 | STREAM_GETL(s, uni); | |
1237 | STREAM_GETL(s, ifi); | |
1238 | ||
1239 | if (zclient_debug) | |
0313523d FR |
1240 | zlog_debug("%s: %u %u %u %u", __PRETTY_FUNCTION__, seq, prio, |
1241 | uni, ifi); | |
b6c5d343 DS |
1242 | *seqno = seq; |
1243 | *priority = prio; | |
1244 | *unique = uni; | |
1245 | *ifindex = ifi; | |
1246 | ||
1247 | return true; | |
1248 | ||
1249 | stream_failure: | |
1250 | return false; | |
1251 | } | |
1252 | ||
0313523d FR |
1253 | bool zapi_ipset_notify_decode(struct stream *s, uint32_t *unique, |
1254 | enum zapi_ipset_notify_owner *note) | |
425bdd6b PG |
1255 | { |
1256 | uint32_t uni; | |
1257 | ||
1258 | STREAM_GET(note, s, sizeof(*note)); | |
1259 | ||
1260 | STREAM_GETL(s, uni); | |
1261 | ||
1262 | if (zclient_debug) | |
1263 | zlog_debug("%s: %u", __PRETTY_FUNCTION__, uni); | |
1264 | *unique = uni; | |
1265 | ||
1266 | return true; | |
1267 | ||
1268 | stream_failure: | |
1269 | return false; | |
1270 | } | |
1271 | ||
0313523d FR |
1272 | bool zapi_ipset_entry_notify_decode(struct stream *s, uint32_t *unique, |
1273 | char *ipset_name, | |
1274 | enum zapi_ipset_entry_notify_owner *note) | |
425bdd6b PG |
1275 | { |
1276 | uint32_t uni; | |
1277 | ||
1278 | STREAM_GET(note, s, sizeof(*note)); | |
1279 | ||
1280 | STREAM_GETL(s, uni); | |
1281 | ||
0313523d | 1282 | STREAM_GET(ipset_name, s, ZEBRA_IPSET_NAME_SIZE); |
425bdd6b PG |
1283 | |
1284 | if (zclient_debug) | |
1285 | zlog_debug("%s: %u", __PRETTY_FUNCTION__, uni); | |
1286 | *unique = uni; | |
1287 | ||
1288 | return true; | |
1289 | ||
1290 | stream_failure: | |
1291 | return false; | |
1292 | } | |
1293 | ||
c16a0a62 PG |
1294 | bool zapi_iptable_notify_decode(struct stream *s, |
1295 | uint32_t *unique, | |
1296 | enum zapi_iptable_notify_owner *note) | |
1297 | { | |
1298 | uint32_t uni; | |
1299 | ||
1300 | STREAM_GET(note, s, sizeof(*note)); | |
1301 | ||
1302 | STREAM_GETL(s, uni); | |
1303 | ||
1304 | if (zclient_debug) | |
1305 | zlog_debug("%s: %u", __PRETTY_FUNCTION__, uni); | |
1306 | *unique = uni; | |
1307 | ||
1308 | return true; | |
1309 | ||
1310 | stream_failure: | |
1311 | return false; | |
1312 | } | |
1313 | ||
4a749e2c DS |
1314 | struct nexthop *nexthop_from_zapi_nexthop(struct zapi_nexthop *znh) |
1315 | { | |
1316 | struct nexthop *n = nexthop_new(); | |
1317 | ||
1318 | n->type = znh->type; | |
4a7371e9 | 1319 | n->vrf_id = znh->vrf_id; |
4a749e2c DS |
1320 | n->ifindex = znh->ifindex; |
1321 | n->gate = znh->gate; | |
1322 | ||
1323 | /* | |
960035b2 | 1324 | * This function currently handles labels |
4a749e2c | 1325 | */ |
960035b2 PZ |
1326 | if (znh->label_num) { |
1327 | nexthop_add_labels(n, ZEBRA_LSP_NONE, znh->label_num, | |
0313523d | 1328 | znh->labels); |
960035b2 | 1329 | } |
4a749e2c DS |
1330 | |
1331 | return n; | |
1332 | } | |
1333 | ||
1334 | bool zapi_nexthop_update_decode(struct stream *s, struct zapi_route *nhr) | |
1335 | { | |
1336 | uint32_t i; | |
1337 | ||
1338 | memset(nhr, 0, sizeof(*nhr)); | |
1339 | ||
1340 | STREAM_GETW(s, nhr->prefix.family); | |
1341 | STREAM_GETC(s, nhr->prefix.prefixlen); | |
996c9314 | 1342 | switch (nhr->prefix.family) { |
4a749e2c DS |
1343 | case AF_INET: |
1344 | STREAM_GET(&nhr->prefix.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1345 | break; | |
1346 | case AF_INET6: | |
1347 | STREAM_GET(&nhr->prefix.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1348 | break; | |
1349 | default: | |
1350 | break; | |
1351 | } | |
1352 | ||
05dd5aaf DS |
1353 | STREAM_GETC(s, nhr->type); |
1354 | STREAM_GETW(s, nhr->instance); | |
4a749e2c DS |
1355 | STREAM_GETC(s, nhr->distance); |
1356 | STREAM_GETL(s, nhr->metric); | |
1357 | STREAM_GETC(s, nhr->nexthop_num); | |
1358 | ||
996c9314 | 1359 | for (i = 0; i < nhr->nexthop_num; i++) { |
b6c9de3b | 1360 | STREAM_GETL(s, nhr->nexthops[i].vrf_id); |
4a749e2c DS |
1361 | STREAM_GETC(s, nhr->nexthops[i].type); |
1362 | switch (nhr->nexthops[i].type) { | |
1363 | case NEXTHOP_TYPE_IPV4: | |
1364 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
996c9314 LB |
1365 | STREAM_GET(&nhr->nexthops[i].gate.ipv4.s_addr, s, |
1366 | IPV4_MAX_BYTELEN); | |
4a749e2c DS |
1367 | STREAM_GETL(s, nhr->nexthops[i].ifindex); |
1368 | break; | |
1369 | case NEXTHOP_TYPE_IFINDEX: | |
1370 | STREAM_GETL(s, nhr->nexthops[i].ifindex); | |
1371 | break; | |
1372 | case NEXTHOP_TYPE_IPV6: | |
1373 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
996c9314 LB |
1374 | STREAM_GET(&nhr->nexthops[i].gate.ipv6, s, |
1375 | IPV6_MAX_BYTELEN); | |
4a749e2c DS |
1376 | STREAM_GETL(s, nhr->nexthops[i].ifindex); |
1377 | break; | |
1378 | case NEXTHOP_TYPE_BLACKHOLE: | |
1379 | break; | |
1380 | } | |
0acf4df0 DS |
1381 | STREAM_GETC(s, nhr->nexthops[i].label_num); |
1382 | if (nhr->nexthops[i].label_num > MPLS_MAX_LABELS) { | |
450971aa | 1383 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1384 | "%s: invalid number of MPLS labels (%u)", |
1385 | __func__, nhr->nexthops[i].label_num); | |
0acf4df0 DS |
1386 | return false; |
1387 | } | |
1388 | if (nhr->nexthops[i].label_num) | |
1389 | STREAM_GET(&nhr->nexthops[i].labels[0], s, | |
1390 | nhr->nexthops[i].label_num | |
0313523d | 1391 | * sizeof(mpls_label_t)); |
4a749e2c DS |
1392 | } |
1393 | ||
1394 | return true; | |
1395 | stream_failure: | |
1396 | return false; | |
1397 | } | |
1398 | ||
d62a17ae | 1399 | /* |
0a589359 | 1400 | * send a ZEBRA_REDISTRIBUTE_ADD or ZEBRA_REDISTRIBUTE_DELETE |
1401 | * for the route type (ZEBRA_ROUTE_KERNEL etc.). The zebra server will | |
d62a17ae | 1402 | * then set/unset redist[type] in the client handle (a struct zserv) for the |
0a589359 | 1403 | * sending client |
1404 | */ | |
d62a17ae | 1405 | int zebra_redistribute_send(int command, struct zclient *zclient, afi_t afi, |
d7c0a89a | 1406 | int type, unsigned short instance, vrf_id_t vrf_id) |
718e3744 | 1407 | { |
d62a17ae | 1408 | struct stream *s; |
1409 | ||
1410 | s = zclient->obuf; | |
1411 | stream_reset(s); | |
1412 | ||
1413 | zclient_create_header(s, command, vrf_id); | |
1414 | stream_putc(s, afi); | |
1415 | stream_putc(s, type); | |
1416 | stream_putw(s, instance); | |
1417 | ||
1418 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1419 | ||
1420 | return zclient_send_message(zclient); | |
718e3744 | 1421 | } |
1422 | ||
49db7a7b RW |
1423 | int zebra_redistribute_default_send(int command, struct zclient *zclient, |
1424 | afi_t afi, vrf_id_t vrf_id) | |
1425 | { | |
1426 | struct stream *s; | |
1427 | ||
1428 | s = zclient->obuf; | |
1429 | stream_reset(s); | |
1430 | ||
1431 | zclient_create_header(s, command, vrf_id); | |
1432 | stream_putc(s, afi); | |
1433 | ||
1434 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1435 | ||
1436 | return zclient_send_message(zclient); | |
1437 | } | |
1438 | ||
d9178828 | 1439 | /* Get prefix in ZServ format; family should be filled in on prefix */ |
d62a17ae | 1440 | static void zclient_stream_get_prefix(struct stream *s, struct prefix *p) |
d9178828 | 1441 | { |
d62a17ae | 1442 | size_t plen = prefix_blen(p); |
d7c0a89a | 1443 | uint8_t c; |
d62a17ae | 1444 | p->prefixlen = 0; |
1445 | ||
1446 | if (plen == 0) | |
1447 | return; | |
1448 | ||
1449 | stream_get(&p->u.prefix, s, plen); | |
ec93aa12 | 1450 | STREAM_GETC(s, c); |
d62a17ae | 1451 | p->prefixlen = MIN(plen * 8, c); |
ec93aa12 DS |
1452 | |
1453 | stream_failure: | |
1454 | return; | |
d9178828 PJ |
1455 | } |
1456 | ||
18a6dce6 | 1457 | /* Router-id update from zebra daemon. */ |
d62a17ae | 1458 | void zebra_router_id_update_read(struct stream *s, struct prefix *rid) |
18a6dce6 | 1459 | { |
d62a17ae | 1460 | /* Fetch interface address. */ |
ec93aa12 | 1461 | STREAM_GETC(s, rid->family); |
d62a17ae | 1462 | |
1463 | zclient_stream_get_prefix(s, rid); | |
ec93aa12 DS |
1464 | |
1465 | stream_failure: | |
1466 | return; | |
18a6dce6 | 1467 | } |
1468 | ||
718e3744 | 1469 | /* Interface addition from zebra daemon. */ |
d62a17ae | 1470 | /* |
0a589359 | 1471 | * The format of the message sent with type ZEBRA_INTERFACE_ADD or |
1472 | * ZEBRA_INTERFACE_DELETE from zebra to the client is: | |
1473 | * 0 1 2 3 | |
1474 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
0a589359 | 1475 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
1476 | * | ifname | | |
1477 | * | | | |
1478 | * | | | |
1479 | * | | | |
1480 | * | | | |
1481 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
16f1b9ee OD |
1482 | * | ifindex | |
1483 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1484 | * | status | | |
0a589359 | 1485 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee | 1486 | * | if_flags | |
c77d4546 | 1487 | * | | |
0a589359 | 1488 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee OD |
1489 | * | metric | |
1490 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2d7f0d76 DS |
1491 | * | speed | |
1492 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
16f1b9ee OD |
1493 | * | ifmtu | |
1494 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1495 | * | ifmtu6 | | |
1496 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1497 | * | bandwidth | | |
1498 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
53e60e5c QY |
1499 | * | parent ifindex | |
1500 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
16f1b9ee | 1501 | * | Link Layer Type | |
0a589359 | 1502 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee | 1503 | * | Harware Address Length | |
0a589359 | 1504 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee OD |
1505 | * | Hardware Address if HW lenght different from 0 | |
1506 | * | ... max INTERFACE_HWADDR_MAX | | |
0a589359 | 1507 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee | 1508 | * | Link_params? | Whether a link-params follows: 1 or 0. |
0a589359 | 1509 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
16f1b9ee OD |
1510 | * | Link_params 0 or 1 INTERFACE_LINK_PARAMS_SIZE sized | |
1511 | * | .... (struct if_link_params). | | |
0a589359 | 1512 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
1513 | */ | |
1514 | ||
d62a17ae | 1515 | static void zclient_vrf_add(struct zclient *zclient, vrf_id_t vrf_id) |
1892f15e | 1516 | { |
d62a17ae | 1517 | struct vrf *vrf; |
1518 | char vrfname_tmp[VRF_NAMSIZ]; | |
1519 | struct vrf_data data; | |
1892f15e | 1520 | |
d62a17ae | 1521 | stream_get(&data, zclient->ibuf, sizeof(struct vrf_data)); |
1522 | /* Read interface name. */ | |
1523 | stream_get(vrfname_tmp, zclient->ibuf, VRF_NAMSIZ); | |
1892f15e | 1524 | |
d62a17ae | 1525 | /* Lookup/create vrf by vrf_id. */ |
1526 | vrf = vrf_get(vrf_id, vrfname_tmp); | |
4691b65a PG |
1527 | vrf->data.l.table_id = data.l.table_id; |
1528 | memcpy(vrf->data.l.netns_name, data.l.netns_name, NS_NAMSIZ); | |
4931a365 PG |
1529 | /* overwrite default vrf */ |
1530 | if (vrf_id == VRF_DEFAULT) | |
4fe52e76 | 1531 | vrf_set_default_name(vrfname_tmp, false); |
d62a17ae | 1532 | vrf_enable(vrf); |
1892f15e DS |
1533 | } |
1534 | ||
d62a17ae | 1535 | static void zclient_vrf_delete(struct zclient *zclient, vrf_id_t vrf_id) |
1892f15e | 1536 | { |
d62a17ae | 1537 | struct vrf *vrf; |
1892f15e | 1538 | |
d62a17ae | 1539 | /* Lookup vrf by vrf_id. */ |
1540 | vrf = vrf_lookup_by_id(vrf_id); | |
1892f15e | 1541 | |
d62a17ae | 1542 | /* |
1543 | * If a routing protocol doesn't know about a | |
1544 | * vrf that is about to be deleted. There is | |
1545 | * no point in attempting to delete it. | |
1546 | */ | |
1547 | if (!vrf) | |
1548 | return; | |
beef1990 | 1549 | |
d62a17ae | 1550 | vrf_delete(vrf); |
1892f15e DS |
1551 | } |
1552 | ||
ef7bd2a3 | 1553 | static void zclient_interface_add(struct zclient *zclient, vrf_id_t vrf_id) |
718e3744 | 1554 | { |
d62a17ae | 1555 | struct interface *ifp; |
1556 | char ifname_tmp[INTERFACE_NAMSIZ]; | |
ef7bd2a3 | 1557 | struct stream *s = zclient->ibuf; |
718e3744 | 1558 | |
d62a17ae | 1559 | /* Read interface name. */ |
1560 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
718e3744 | 1561 | |
d62a17ae | 1562 | /* Lookup/create interface by name. */ |
a36898e7 | 1563 | ifp = if_get_by_name(ifname_tmp, vrf_id); |
a41c4e1b | 1564 | |
d62a17ae | 1565 | zebra_interface_if_set_value(s, ifp); |
718e3744 | 1566 | |
ef7bd2a3 | 1567 | if_new_via_zapi(ifp); |
718e3744 | 1568 | } |
1569 | ||
d62a17ae | 1570 | /* |
0a589359 | 1571 | * Read interface up/down msg (ZEBRA_INTERFACE_UP/ZEBRA_INTERFACE_DOWN) |
1572 | * from zebra server. The format of this message is the same as | |
ef7bd2a3 DS |
1573 | * that sent for ZEBRA_INTERFACE_ADD/ZEBRA_INTERFACE_DELETE, |
1574 | * except that no sockaddr_dl is sent at the tail of the message. | |
0a589359 | 1575 | */ |
d62a17ae | 1576 | struct interface *zebra_interface_state_read(struct stream *s, vrf_id_t vrf_id) |
718e3744 | 1577 | { |
d62a17ae | 1578 | struct interface *ifp; |
1579 | char ifname_tmp[INTERFACE_NAMSIZ]; | |
1580 | ||
1581 | /* Read interface name. */ | |
1582 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
1583 | ||
1584 | /* Lookup this by interface index. */ | |
a36898e7 | 1585 | ifp = if_lookup_by_name(ifname_tmp, vrf_id); |
d62a17ae | 1586 | if (ifp == NULL) { |
450971aa | 1587 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1588 | "INTERFACE_STATE: Cannot find IF %s in VRF %d", |
1589 | ifname_tmp, vrf_id); | |
d62a17ae | 1590 | return NULL; |
1591 | } | |
1592 | ||
1593 | zebra_interface_if_set_value(s, ifp); | |
1594 | ||
1595 | return ifp; | |
718e3744 | 1596 | } |
1597 | ||
3c3c3252 DS |
1598 | static void zclient_interface_delete(struct zclient *zclient, vrf_id_t vrf_id) |
1599 | { | |
1600 | struct interface *ifp; | |
1601 | struct stream *s = zclient->ibuf; | |
1602 | ||
1603 | ifp = zebra_interface_state_read(s, vrf_id); | |
1604 | ||
1605 | if (ifp == NULL) | |
1606 | return; | |
1607 | ||
1608 | if_destroy_via_zapi(ifp); | |
1609 | return; | |
1610 | } | |
1611 | ||
ddbf3e60 DS |
1612 | static void zclient_interface_up(struct zclient *zclient, vrf_id_t vrf_id) |
1613 | { | |
1614 | struct interface *ifp; | |
1615 | struct stream *s = zclient->ibuf; | |
1616 | ||
1617 | ifp = zebra_interface_state_read(s, vrf_id); | |
1618 | ||
1619 | if (!ifp) | |
1620 | return; | |
1621 | ||
1622 | if_up_via_zapi(ifp); | |
1623 | } | |
1624 | ||
b0b69e59 DS |
1625 | static void zclient_interface_down(struct zclient *zclient, vrf_id_t vrf_id) |
1626 | { | |
1627 | struct interface *ifp; | |
1628 | struct stream *s = zclient->ibuf; | |
1629 | ||
1630 | ifp = zebra_interface_state_read(s, vrf_id); | |
1631 | ||
1632 | if (!ifp) | |
1633 | return; | |
1634 | ||
1635 | if_down_via_zapi(ifp); | |
1636 | } | |
1637 | ||
d62a17ae | 1638 | static void link_params_set_value(struct stream *s, struct if_link_params *iflp) |
16f1b9ee OD |
1639 | { |
1640 | ||
d62a17ae | 1641 | if (iflp == NULL) |
1642 | return; | |
1643 | ||
1644 | iflp->lp_status = stream_getl(s); | |
1645 | iflp->te_metric = stream_getl(s); | |
1646 | iflp->max_bw = stream_getf(s); | |
1647 | iflp->max_rsv_bw = stream_getf(s); | |
1648 | uint32_t bwclassnum = stream_getl(s); | |
1649 | { | |
1650 | unsigned int i; | |
1651 | for (i = 0; i < bwclassnum && i < MAX_CLASS_TYPE; i++) | |
1652 | iflp->unrsv_bw[i] = stream_getf(s); | |
1653 | if (i < bwclassnum) | |
1c50c1c0 QY |
1654 | flog_err( |
1655 | EC_LIB_ZAPI_MISSMATCH, | |
1656 | "%s: received %d > %d (MAX_CLASS_TYPE) bw entries" | |
1657 | " - outdated library?", | |
1658 | __func__, bwclassnum, MAX_CLASS_TYPE); | |
d62a17ae | 1659 | } |
1660 | iflp->admin_grp = stream_getl(s); | |
1661 | iflp->rmt_as = stream_getl(s); | |
1662 | iflp->rmt_ip.s_addr = stream_get_ipv4(s); | |
1663 | ||
1664 | iflp->av_delay = stream_getl(s); | |
1665 | iflp->min_delay = stream_getl(s); | |
1666 | iflp->max_delay = stream_getl(s); | |
1667 | iflp->delay_var = stream_getl(s); | |
1668 | ||
1669 | iflp->pkt_loss = stream_getf(s); | |
1670 | iflp->res_bw = stream_getf(s); | |
1671 | iflp->ava_bw = stream_getf(s); | |
1672 | iflp->use_bw = stream_getf(s); | |
16f1b9ee OD |
1673 | } |
1674 | ||
edc12762 RW |
1675 | struct interface *zebra_interface_link_params_read(struct stream *s, |
1676 | vrf_id_t vrf_id) | |
16f1b9ee | 1677 | { |
d62a17ae | 1678 | struct if_link_params *iflp; |
1679 | ifindex_t ifindex; | |
c28e5b2a | 1680 | |
d62a17ae | 1681 | assert(s); |
c28e5b2a | 1682 | |
d62a17ae | 1683 | ifindex = stream_getl(s); |
16f1b9ee | 1684 | |
a36898e7 | 1685 | struct interface *ifp = if_lookup_by_index(ifindex, vrf_id); |
16f1b9ee | 1686 | |
d62a17ae | 1687 | if (ifp == NULL) { |
450971aa | 1688 | flog_err(EC_LIB_ZAPI_ENCODE, |
1c50c1c0 QY |
1689 | "%s: unknown ifindex %u, shouldn't happen", __func__, |
1690 | ifindex); | |
d62a17ae | 1691 | return NULL; |
1692 | } | |
16f1b9ee | 1693 | |
d62a17ae | 1694 | if ((iflp = if_link_params_get(ifp)) == NULL) |
1695 | return NULL; | |
16f1b9ee | 1696 | |
d62a17ae | 1697 | link_params_set_value(s, iflp); |
16f1b9ee | 1698 | |
d62a17ae | 1699 | return ifp; |
16f1b9ee OD |
1700 | } |
1701 | ||
26f8f6fe DS |
1702 | static void zebra_interface_if_set_value(struct stream *s, |
1703 | struct interface *ifp) | |
16f1b9ee | 1704 | { |
d7c0a89a | 1705 | uint8_t link_params_status = 0; |
98cbbaea | 1706 | ifindex_t old_ifindex; |
d62a17ae | 1707 | |
98cbbaea | 1708 | old_ifindex = ifp->ifindex; |
d62a17ae | 1709 | /* Read interface's index. */ |
ff880b78 | 1710 | if_set_index(ifp, stream_getl(s)); |
d62a17ae | 1711 | ifp->status = stream_getc(s); |
1712 | ||
1713 | /* Read interface's value. */ | |
1714 | ifp->flags = stream_getq(s); | |
1715 | ifp->ptm_enable = stream_getc(s); | |
1716 | ifp->ptm_status = stream_getc(s); | |
1717 | ifp->metric = stream_getl(s); | |
1718 | ifp->speed = stream_getl(s); | |
1719 | ifp->mtu = stream_getl(s); | |
1720 | ifp->mtu6 = stream_getl(s); | |
1721 | ifp->bandwidth = stream_getl(s); | |
53e60e5c | 1722 | ifp->link_ifindex = stream_getl(s); |
d62a17ae | 1723 | ifp->ll_type = stream_getl(s); |
1724 | ifp->hw_addr_len = stream_getl(s); | |
1725 | if (ifp->hw_addr_len) | |
1726 | stream_get(ifp->hw_addr, s, | |
1727 | MIN(ifp->hw_addr_len, INTERFACE_HWADDR_MAX)); | |
1728 | ||
1729 | /* Read Traffic Engineering status */ | |
1730 | link_params_status = stream_getc(s); | |
1731 | /* Then, Traffic Engineering parameters if any */ | |
1732 | if (link_params_status) { | |
1733 | struct if_link_params *iflp = if_link_params_get(ifp); | |
1734 | link_params_set_value(s, iflp); | |
1735 | } | |
98cbbaea DS |
1736 | |
1737 | nexthop_group_interface_state_change(ifp, old_ifindex); | |
16f1b9ee OD |
1738 | } |
1739 | ||
d62a17ae | 1740 | size_t zebra_interface_link_params_write(struct stream *s, |
1741 | struct interface *ifp) | |
16f1b9ee | 1742 | { |
d62a17ae | 1743 | size_t w; |
1744 | struct if_link_params *iflp; | |
1745 | int i; | |
16f1b9ee | 1746 | |
d62a17ae | 1747 | if (s == NULL || ifp == NULL || ifp->link_params == NULL) |
1748 | return 0; | |
16f1b9ee | 1749 | |
d62a17ae | 1750 | iflp = ifp->link_params; |
1751 | w = 0; | |
16f1b9ee | 1752 | |
d62a17ae | 1753 | w += stream_putl(s, iflp->lp_status); |
16f1b9ee | 1754 | |
d62a17ae | 1755 | w += stream_putl(s, iflp->te_metric); |
1756 | w += stream_putf(s, iflp->max_bw); | |
1757 | w += stream_putf(s, iflp->max_rsv_bw); | |
16f1b9ee | 1758 | |
d62a17ae | 1759 | w += stream_putl(s, MAX_CLASS_TYPE); |
1760 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1761 | w += stream_putf(s, iflp->unrsv_bw[i]); | |
16f1b9ee | 1762 | |
d62a17ae | 1763 | w += stream_putl(s, iflp->admin_grp); |
1764 | w += stream_putl(s, iflp->rmt_as); | |
1765 | w += stream_put_in_addr(s, &iflp->rmt_ip); | |
16f1b9ee | 1766 | |
d62a17ae | 1767 | w += stream_putl(s, iflp->av_delay); |
1768 | w += stream_putl(s, iflp->min_delay); | |
1769 | w += stream_putl(s, iflp->max_delay); | |
1770 | w += stream_putl(s, iflp->delay_var); | |
16f1b9ee | 1771 | |
d62a17ae | 1772 | w += stream_putf(s, iflp->pkt_loss); |
1773 | w += stream_putf(s, iflp->res_bw); | |
1774 | w += stream_putf(s, iflp->ava_bw); | |
1775 | w += stream_putf(s, iflp->use_bw); | |
16f1b9ee | 1776 | |
d62a17ae | 1777 | return w; |
16f1b9ee OD |
1778 | } |
1779 | ||
1780 | /* | |
0a589359 | 1781 | * format of message for address additon is: |
1782 | * 0 | |
1783 | * 0 1 2 3 4 5 6 7 | |
1784 | * +-+-+-+-+-+-+-+-+ | |
1785 | * | type | ZEBRA_INTERFACE_ADDRESS_ADD or | |
1786 | * +-+-+-+-+-+-+-+-+ ZEBRA_INTERFACE_ADDRES_DELETE | |
1787 | * | | | |
1788 | * + + | |
1789 | * | ifindex | | |
1790 | * + + | |
1791 | * | | | |
1792 | * + + | |
1793 | * | | | |
1794 | * +-+-+-+-+-+-+-+-+ | |
1795 | * | ifc_flags | flags for connected address | |
1796 | * +-+-+-+-+-+-+-+-+ | |
1797 | * | addr_family | | |
1798 | * +-+-+-+-+-+-+-+-+ | |
1799 | * | addr... | | |
1800 | * : : | |
1801 | * | | | |
1802 | * +-+-+-+-+-+-+-+-+ | |
1803 | * | addr_len | len of addr. E.g., addr_len = 4 for ipv4 addrs. | |
1804 | * +-+-+-+-+-+-+-+-+ | |
1805 | * | daddr.. | | |
1806 | * : : | |
1807 | * | | | |
1808 | * +-+-+-+-+-+-+-+-+ | |
0a589359 | 1809 | */ |
1810 | ||
d62a17ae | 1811 | static int memconstant(const void *s, int c, size_t n) |
3fb9cd6e | 1812 | { |
d7c0a89a | 1813 | const uint8_t *p = s; |
3fb9cd6e | 1814 | |
d62a17ae | 1815 | while (n-- > 0) |
1816 | if (*p++ != c) | |
1817 | return 0; | |
1818 | return 1; | |
3fb9cd6e | 1819 | } |
1820 | ||
d5a5c8f0 | 1821 | |
d62a17ae | 1822 | struct connected *zebra_interface_address_read(int type, struct stream *s, |
1823 | vrf_id_t vrf_id) | |
718e3744 | 1824 | { |
d62a17ae | 1825 | ifindex_t ifindex; |
1826 | struct interface *ifp; | |
1827 | struct connected *ifc; | |
1828 | struct prefix p, d, *dp; | |
1829 | int plen; | |
d7c0a89a | 1830 | uint8_t ifc_flags; |
d62a17ae | 1831 | |
1832 | memset(&p, 0, sizeof(p)); | |
1833 | memset(&d, 0, sizeof(d)); | |
1834 | ||
1835 | /* Get interface index. */ | |
1836 | ifindex = stream_getl(s); | |
1837 | ||
1838 | /* Lookup index. */ | |
1839 | ifp = if_lookup_by_index(ifindex, vrf_id); | |
1840 | if (ifp == NULL) { | |
450971aa | 1841 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1842 | "INTERFACE_ADDRESS_%s: Cannot find IF %u in VRF %d", |
1843 | (type == ZEBRA_INTERFACE_ADDRESS_ADD) ? "ADD" : "DEL", | |
1844 | ifindex, vrf_id); | |
d62a17ae | 1845 | return NULL; |
1846 | } | |
1847 | ||
1848 | /* Fetch flag. */ | |
1849 | ifc_flags = stream_getc(s); | |
1850 | ||
1851 | /* Fetch interface address. */ | |
1852 | d.family = p.family = stream_getc(s); | |
1853 | plen = prefix_blen(&d); | |
1854 | ||
1855 | zclient_stream_get_prefix(s, &p); | |
1856 | ||
1857 | /* Fetch destination address. */ | |
1858 | stream_get(&d.u.prefix, s, plen); | |
1859 | ||
1860 | /* N.B. NULL destination pointers are encoded as all zeroes */ | |
1861 | dp = memconstant(&d.u.prefix, 0, plen) ? NULL : &d; | |
1862 | ||
1863 | if (type == ZEBRA_INTERFACE_ADDRESS_ADD) { | |
1864 | ifc = connected_lookup_prefix_exact(ifp, &p); | |
1865 | if (!ifc) { | |
1866 | /* N.B. NULL destination pointers are encoded as all | |
1867 | * zeroes */ | |
1868 | ifc = connected_add_by_prefix(ifp, &p, dp); | |
1869 | } | |
1870 | if (ifc) { | |
1871 | ifc->flags = ifc_flags; | |
1872 | if (ifc->destination) | |
1873 | ifc->destination->prefixlen = | |
1874 | ifc->address->prefixlen; | |
1875 | else if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER)) { | |
1876 | /* carp interfaces on OpenBSD with 0.0.0.0/0 as | |
1877 | * "peer" */ | |
1878 | char buf[PREFIX_STRLEN]; | |
ade6974d | 1879 | flog_err( |
450971aa | 1880 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
1881 | "warning: interface %s address %s with peer flag set, but no peer address!", |
1882 | ifp->name, | |
1883 | prefix2str(ifc->address, buf, | |
1884 | sizeof buf)); | |
d62a17ae | 1885 | UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER); |
1886 | } | |
1887 | } | |
1888 | } else { | |
1889 | assert(type == ZEBRA_INTERFACE_ADDRESS_DELETE); | |
1890 | ifc = connected_delete_by_prefix(ifp, &p); | |
1891 | } | |
1892 | ||
1893 | return ifc; | |
718e3744 | 1894 | } |
0a589359 | 1895 | |
a80beece DS |
1896 | /* |
1897 | * format of message for neighbor connected address is: | |
1898 | * 0 | |
1899 | * 0 1 2 3 4 5 6 7 | |
1900 | * +-+-+-+-+-+-+-+-+ | |
1901 | * | type | ZEBRA_INTERFACE_NBR_ADDRESS_ADD or | |
1902 | * +-+-+-+-+-+-+-+-+ ZEBRA_INTERFACE_NBR_ADDRES_DELETE | |
1903 | * | | | |
1904 | * + + | |
1905 | * | ifindex | | |
1906 | * + + | |
1907 | * | | | |
1908 | * + + | |
1909 | * | | | |
1910 | * +-+-+-+-+-+-+-+-+ | |
1911 | * | addr_family | | |
1912 | * +-+-+-+-+-+-+-+-+ | |
1913 | * | addr... | | |
1914 | * : : | |
1915 | * | | | |
1916 | * +-+-+-+-+-+-+-+-+ | |
1917 | * | addr_len | len of addr. | |
1918 | * +-+-+-+-+-+-+-+-+ | |
1919 | */ | |
1920 | struct nbr_connected * | |
d62a17ae | 1921 | zebra_interface_nbr_address_read(int type, struct stream *s, vrf_id_t vrf_id) |
a80beece | 1922 | { |
d62a17ae | 1923 | unsigned int ifindex; |
1924 | struct interface *ifp; | |
1925 | struct prefix p; | |
1926 | struct nbr_connected *ifc; | |
1927 | ||
1928 | /* Get interface index. */ | |
1929 | ifindex = stream_getl(s); | |
1930 | ||
1931 | /* Lookup index. */ | |
1932 | ifp = if_lookup_by_index(ifindex, vrf_id); | |
1933 | if (ifp == NULL) { | |
450971aa | 1934 | flog_err(EC_LIB_ZAPI_ENCODE, |
decbd929 DS |
1935 | "INTERFACE_NBR_%s: Cannot find IF %u in VRF %d", |
1936 | (type == ZEBRA_INTERFACE_NBR_ADDRESS_ADD) ? "ADD" | |
ade6974d QY |
1937 | : "DELETE", |
1938 | ifindex, vrf_id); | |
d62a17ae | 1939 | return NULL; |
1940 | } | |
1941 | ||
1942 | p.family = stream_getc(s); | |
1943 | stream_get(&p.u.prefix, s, prefix_blen(&p)); | |
1944 | p.prefixlen = stream_getc(s); | |
1945 | ||
1946 | if (type == ZEBRA_INTERFACE_NBR_ADDRESS_ADD) { | |
1947 | /* Currently only supporting P2P links, so any new RA source | |
1948 | address is | |
1949 | considered as the replacement of the previously learnt | |
1950 | Link-Local address. */ | |
1951 | if (!(ifc = listnode_head(ifp->nbr_connected))) { | |
1952 | ifc = nbr_connected_new(); | |
1953 | ifc->address = prefix_new(); | |
1954 | ifc->ifp = ifp; | |
1955 | listnode_add(ifp->nbr_connected, ifc); | |
1956 | } | |
1957 | ||
1958 | prefix_copy(ifc->address, &p); | |
1959 | } else { | |
1960 | assert(type == ZEBRA_INTERFACE_NBR_ADDRESS_DELETE); | |
1961 | ||
1962 | ifc = nbr_connected_check(ifp, &p); | |
1963 | if (ifc) | |
1964 | listnode_delete(ifp->nbr_connected, ifc); | |
1965 | } | |
1966 | ||
1967 | return ifc; | |
a80beece | 1968 | } |
6b0655a2 | 1969 | |
d62a17ae | 1970 | struct interface *zebra_interface_vrf_update_read(struct stream *s, |
1971 | vrf_id_t vrf_id, | |
1972 | vrf_id_t *new_vrf_id) | |
c8e264b6 | 1973 | { |
91d227b7 | 1974 | char ifname[INTERFACE_NAMSIZ]; |
d62a17ae | 1975 | struct interface *ifp; |
a9ff90c4 | 1976 | vrf_id_t new_id; |
d62a17ae | 1977 | |
91d227b7 RW |
1978 | /* Read interface name. */ |
1979 | stream_get(ifname, s, INTERFACE_NAMSIZ); | |
d62a17ae | 1980 | |
1981 | /* Lookup interface. */ | |
a36898e7 | 1982 | ifp = if_lookup_by_name(ifname, vrf_id); |
d62a17ae | 1983 | if (ifp == NULL) { |
450971aa | 1984 | flog_err(EC_LIB_ZAPI_ENCODE, |
91d227b7 RW |
1985 | "INTERFACE_VRF_UPDATE: Cannot find IF %s in VRF %d", |
1986 | ifname, vrf_id); | |
d62a17ae | 1987 | return NULL; |
1988 | } | |
1989 | ||
1990 | /* Fetch new VRF Id. */ | |
1991 | new_id = stream_getw(s); | |
1992 | ||
1993 | *new_vrf_id = new_id; | |
1994 | return ifp; | |
c8e264b6 | 1995 | } |
5c7ef8dc | 1996 | |
1997 | /* filter unwanted messages until the expected one arrives */ | |
d62a17ae | 1998 | static int zclient_read_sync_response(struct zclient *zclient, |
d7c0a89a | 1999 | uint16_t expected_cmd) |
5c7ef8dc | 2000 | { |
d62a17ae | 2001 | struct stream *s; |
d7c0a89a QY |
2002 | uint16_t size = -1; |
2003 | uint8_t marker; | |
2004 | uint8_t version; | |
d62a17ae | 2005 | vrf_id_t vrf_id; |
d7c0a89a | 2006 | uint16_t cmd; |
d62a17ae | 2007 | fd_set readfds; |
2008 | int ret; | |
2009 | ||
2010 | ret = 0; | |
2011 | cmd = expected_cmd + 1; | |
2012 | while (ret == 0 && cmd != expected_cmd) { | |
2013 | s = zclient->ibuf; | |
2014 | stream_reset(s); | |
2015 | ||
2016 | /* wait until response arrives */ | |
2017 | FD_ZERO(&readfds); | |
2018 | FD_SET(zclient->sock, &readfds); | |
2019 | select(zclient->sock + 1, &readfds, NULL, NULL, NULL); | |
2020 | if (!FD_ISSET(zclient->sock, &readfds)) | |
2021 | continue; | |
2022 | /* read response */ | |
2023 | ret = zclient_read_header(s, zclient->sock, &size, &marker, | |
2024 | &version, &vrf_id, &cmd); | |
2025 | if (zclient_debug) | |
2026 | zlog_debug("%s: Response (%d bytes) received", __func__, | |
2027 | size); | |
2028 | } | |
2029 | if (ret != 0) { | |
1c50c1c0 QY |
2030 | flog_err(EC_LIB_ZAPI_ENCODE, "%s: Invalid Sync Message Reply", |
2031 | __func__); | |
d62a17ae | 2032 | return -1; |
2033 | } | |
2034 | ||
2035 | return 0; | |
5c7ef8dc | 2036 | } |
fea12efb | 2037 | /** |
2038 | * Connect to label manager in a syncronous way | |
2039 | * | |
2040 | * It first writes the request to zcient output buffer and then | |
2041 | * immediately reads the answer from the input buffer. | |
2042 | * | |
2043 | * @param zclient Zclient used to connect to label manager (zebra) | |
f533be73 | 2044 | * @param async Synchronous (0) or asynchronous (1) operation |
fea12efb | 2045 | * @result Result of response |
2046 | */ | |
f533be73 | 2047 | int lm_label_manager_connect(struct zclient *zclient, int async) |
fea12efb | 2048 | { |
d62a17ae | 2049 | int ret; |
2050 | struct stream *s; | |
d7c0a89a | 2051 | uint8_t result; |
f533be73 | 2052 | uint16_t cmd = async ? ZEBRA_LABEL_MANAGER_CONNECT_ASYNC : |
2053 | ZEBRA_LABEL_MANAGER_CONNECT; | |
d62a17ae | 2054 | |
2055 | if (zclient_debug) | |
35cbe02a | 2056 | zlog_debug("Connecting to Label Manager (LM)"); |
d62a17ae | 2057 | |
f533be73 | 2058 | if (zclient->sock < 0) { |
2059 | zlog_debug("%s: invalid zclient socket", __func__); | |
d62a17ae | 2060 | return -1; |
f533be73 | 2061 | } |
d62a17ae | 2062 | |
2063 | /* send request */ | |
2064 | s = zclient->obuf; | |
2065 | stream_reset(s); | |
f533be73 | 2066 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 2067 | |
2068 | /* proto */ | |
2069 | stream_putc(s, zclient->redist_default); | |
2070 | /* instance */ | |
2071 | stream_putw(s, zclient->instance); | |
2072 | ||
2073 | /* Put length at the first point of the stream. */ | |
2074 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2075 | ||
2076 | ret = writen(zclient->sock, s->data, stream_get_endp(s)); | |
2077 | if (ret < 0) { | |
450971aa | 2078 | flog_err(EC_LIB_ZAPI_SOCKET, "Can't write to zclient sock"); |
d62a17ae | 2079 | close(zclient->sock); |
2080 | zclient->sock = -1; | |
2081 | return -1; | |
2082 | } | |
2083 | if (ret == 0) { | |
450971aa | 2084 | flog_err(EC_LIB_ZAPI_SOCKET, "Zclient sock closed"); |
d62a17ae | 2085 | close(zclient->sock); |
2086 | zclient->sock = -1; | |
2087 | return -1; | |
2088 | } | |
2089 | if (zclient_debug) | |
35cbe02a | 2090 | zlog_debug("LM connect request sent (%d bytes)", ret); |
d62a17ae | 2091 | |
f533be73 | 2092 | if (async) |
2093 | return 0; | |
2094 | ||
d62a17ae | 2095 | /* read response */ |
f533be73 | 2096 | if (zclient_read_sync_response(zclient, cmd) |
d62a17ae | 2097 | != 0) |
2098 | return -1; | |
2099 | ||
d62a17ae | 2100 | s = zclient->ibuf; |
5dffb0e9 FR |
2101 | |
2102 | /* read instance and proto */ | |
2103 | uint8_t proto = stream_getc(s); | |
2104 | uint16_t instance = stream_getw(s); | |
2105 | ||
2106 | /* sanity */ | |
2107 | if (proto != zclient->redist_default) | |
1c50c1c0 QY |
2108 | flog_err( |
2109 | EC_LIB_ZAPI_ENCODE, | |
2110 | "Wrong proto (%u) in LM connect response. Should be %u", | |
2111 | proto, zclient->redist_default); | |
5dffb0e9 | 2112 | if (instance != zclient->instance) |
1c50c1c0 QY |
2113 | flog_err( |
2114 | EC_LIB_ZAPI_ENCODE, | |
2115 | "Wrong instId (%u) in LM connect response. Should be %u", | |
2116 | instance, zclient->instance); | |
5dffb0e9 FR |
2117 | |
2118 | /* result code */ | |
d62a17ae | 2119 | result = stream_getc(s); |
2120 | if (zclient_debug) | |
0313523d | 2121 | zlog_debug("LM connect-response received, result %u", result); |
d62a17ae | 2122 | |
2123 | return (int)result; | |
fea12efb | 2124 | } |
2125 | ||
955bfd98 PZ |
2126 | /* |
2127 | * Asynchronous label chunk request | |
2128 | * | |
2129 | * @param zclient Zclient used to connect to label manager (zebra) | |
2130 | * @param keep Avoid garbage collection | |
2131 | * @param chunk_size Amount of labels requested | |
0e3b6a92 | 2132 | * @param base Base for the label chunk. if MPLS_LABEL_BASE_ANY we do not care |
955bfd98 PZ |
2133 | * @result 0 on success, -1 otherwise |
2134 | */ | |
0313523d | 2135 | int zclient_send_get_label_chunk(struct zclient *zclient, uint8_t keep, |
0e3b6a92 | 2136 | uint32_t chunk_size, uint32_t base) |
955bfd98 PZ |
2137 | { |
2138 | struct stream *s; | |
2139 | ||
2140 | if (zclient_debug) | |
2141 | zlog_debug("Getting Label Chunk"); | |
2142 | ||
2143 | if (zclient->sock < 0) | |
2144 | return -1; | |
2145 | ||
2146 | s = zclient->obuf; | |
2147 | stream_reset(s); | |
2148 | ||
2149 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, VRF_DEFAULT); | |
5dffb0e9 FR |
2150 | /* proto */ |
2151 | stream_putc(s, zclient->redist_default); | |
2152 | /* instance */ | |
2153 | stream_putw(s, zclient->instance); | |
955bfd98 PZ |
2154 | stream_putc(s, keep); |
2155 | stream_putl(s, chunk_size); | |
0e3b6a92 | 2156 | stream_putl(s, base); |
955bfd98 PZ |
2157 | |
2158 | /* Put length at the first point of the stream. */ | |
2159 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2160 | ||
2161 | return zclient_send_message(zclient); | |
2162 | } | |
2163 | ||
fea12efb | 2164 | /** |
2165 | * Function to request a label chunk in a syncronous way | |
2166 | * | |
2167 | * It first writes the request to zlcient output buffer and then | |
2168 | * immediately reads the answer from the input buffer. | |
2169 | * | |
2170 | * @param zclient Zclient used to connect to label manager (zebra) | |
2171 | * @param keep Avoid garbage collection | |
2172 | * @param chunk_size Amount of labels requested | |
2173 | * @param start To write first assigned chunk label to | |
2174 | * @param end To write last assigned chunk label to | |
2175 | * @result 0 on success, -1 otherwise | |
2176 | */ | |
0e3b6a92 | 2177 | int lm_get_label_chunk(struct zclient *zclient, uint8_t keep, uint32_t base, |
d62a17ae | 2178 | uint32_t chunk_size, uint32_t *start, uint32_t *end) |
fea12efb | 2179 | { |
d62a17ae | 2180 | int ret; |
2181 | struct stream *s; | |
d7c0a89a | 2182 | uint8_t response_keep; |
d62a17ae | 2183 | |
2184 | if (zclient_debug) | |
2185 | zlog_debug("Getting Label Chunk"); | |
2186 | ||
2187 | if (zclient->sock < 0) | |
2188 | return -1; | |
2189 | ||
2190 | /* send request */ | |
2191 | s = zclient->obuf; | |
2192 | stream_reset(s); | |
2193 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, VRF_DEFAULT); | |
5dffb0e9 FR |
2194 | /* proto */ |
2195 | stream_putc(s, zclient->redist_default); | |
2196 | /* instance */ | |
2197 | stream_putw(s, zclient->instance); | |
d62a17ae | 2198 | /* keep */ |
2199 | stream_putc(s, keep); | |
2200 | /* chunk size */ | |
2201 | stream_putl(s, chunk_size); | |
0e3b6a92 EDP |
2202 | /* requested chunk base */ |
2203 | stream_putl(s, base); | |
d62a17ae | 2204 | /* Put length at the first point of the stream. */ |
2205 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2206 | ||
2207 | ret = writen(zclient->sock, s->data, stream_get_endp(s)); | |
2208 | if (ret < 0) { | |
1c50c1c0 | 2209 | flog_err(EC_LIB_ZAPI_SOCKET, "Can't write to zclient sock"); |
d62a17ae | 2210 | close(zclient->sock); |
2211 | zclient->sock = -1; | |
2212 | return -1; | |
2213 | } | |
2214 | if (ret == 0) { | |
1c50c1c0 | 2215 | flog_err(EC_LIB_ZAPI_SOCKET, "Zclient sock closed"); |
d62a17ae | 2216 | close(zclient->sock); |
2217 | zclient->sock = -1; | |
2218 | return -1; | |
2219 | } | |
2220 | if (zclient_debug) | |
35cbe02a | 2221 | zlog_debug("Label chunk request (%d bytes) sent", ret); |
d62a17ae | 2222 | |
2223 | /* read response */ | |
2224 | if (zclient_read_sync_response(zclient, ZEBRA_GET_LABEL_CHUNK) != 0) | |
2225 | return -1; | |
2226 | ||
5dffb0e9 | 2227 | /* parse response */ |
d62a17ae | 2228 | s = zclient->ibuf; |
5dffb0e9 FR |
2229 | |
2230 | /* read proto and instance */ | |
2231 | uint8_t proto = stream_getc(s); | |
2232 | uint16_t instance = stream_getw(s); | |
2233 | ||
2234 | /* sanities */ | |
2235 | if (proto != zclient->redist_default) | |
450971aa | 2236 | flog_err(EC_LIB_ZAPI_ENCODE, |
1c50c1c0 QY |
2237 | "Wrong proto (%u) in get chunk response. Should be %u", |
2238 | proto, zclient->redist_default); | |
5dffb0e9 | 2239 | if (instance != zclient->instance) |
450971aa | 2240 | flog_err(EC_LIB_ZAPI_ENCODE, |
1c50c1c0 QY |
2241 | "Wrong instId (%u) in get chunk response Should be %u", |
2242 | instance, zclient->instance); | |
5dffb0e9 | 2243 | |
f004f7c3 EDP |
2244 | /* if we requested a specific chunk and it could not be allocated, the |
2245 | * response message will end here | |
2246 | */ | |
2247 | if (!STREAM_READABLE(s)) { | |
2248 | zlog_info("Unable to assign Label Chunk to %s instance %u", | |
2249 | zebra_route_string(proto), instance); | |
2250 | return -1; | |
2251 | } | |
2252 | ||
d62a17ae | 2253 | /* keep */ |
2254 | response_keep = stream_getc(s); | |
2255 | /* start and end labels */ | |
2256 | *start = stream_getl(s); | |
2257 | *end = stream_getl(s); | |
2258 | ||
2259 | /* not owning this response */ | |
2260 | if (keep != response_keep) { | |
1c50c1c0 QY |
2261 | flog_err( |
2262 | EC_LIB_ZAPI_ENCODE, | |
2263 | "Invalid Label chunk: %u - %u, keeps mismatch %u != %u", | |
2264 | *start, *end, keep, response_keep); | |
d62a17ae | 2265 | } |
2266 | /* sanity */ | |
70e98a7f DS |
2267 | if (*start > *end || *start < MPLS_LABEL_UNRESERVED_MIN |
2268 | || *end > MPLS_LABEL_UNRESERVED_MAX) { | |
1c50c1c0 QY |
2269 | flog_err(EC_LIB_ZAPI_ENCODE, "Invalid Label chunk: %u - %u", |
2270 | *start, *end); | |
d62a17ae | 2271 | return -1; |
2272 | } | |
2273 | ||
2274 | if (zclient_debug) | |
35cbe02a | 2275 | zlog_debug("Label Chunk assign: %u - %u (%u)", *start, *end, |
d62a17ae | 2276 | response_keep); |
2277 | ||
2278 | return 0; | |
fea12efb | 2279 | } |
2280 | ||
2281 | /** | |
2282 | * Function to release a label chunk | |
2283 | * | |
2284 | * @param zclient Zclient used to connect to label manager (zebra) | |
2285 | * @param start First label of chunk | |
2286 | * @param end Last label of chunk | |
2287 | * @result 0 on success, -1 otherwise | |
2288 | */ | |
d62a17ae | 2289 | int lm_release_label_chunk(struct zclient *zclient, uint32_t start, |
2290 | uint32_t end) | |
fea12efb | 2291 | { |
d62a17ae | 2292 | int ret; |
2293 | struct stream *s; | |
2294 | ||
2295 | if (zclient_debug) | |
35cbe02a | 2296 | zlog_debug("Releasing Label Chunk %u - %u", start, end); |
d62a17ae | 2297 | |
2298 | if (zclient->sock < 0) | |
2299 | return -1; | |
2300 | ||
2301 | /* send request */ | |
2302 | s = zclient->obuf; | |
2303 | stream_reset(s); | |
2304 | zclient_create_header(s, ZEBRA_RELEASE_LABEL_CHUNK, VRF_DEFAULT); | |
2305 | ||
5dffb0e9 FR |
2306 | /* proto */ |
2307 | stream_putc(s, zclient->redist_default); | |
2308 | /* instance */ | |
2309 | stream_putw(s, zclient->instance); | |
d62a17ae | 2310 | /* start */ |
2311 | stream_putl(s, start); | |
2312 | /* end */ | |
2313 | stream_putl(s, end); | |
2314 | ||
2315 | /* Put length at the first point of the stream. */ | |
2316 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2317 | ||
2318 | ret = writen(zclient->sock, s->data, stream_get_endp(s)); | |
2319 | if (ret < 0) { | |
450971aa | 2320 | flog_err(EC_LIB_ZAPI_SOCKET, "Can't write to zclient sock"); |
d62a17ae | 2321 | close(zclient->sock); |
2322 | zclient->sock = -1; | |
2323 | return -1; | |
2324 | } | |
2325 | if (ret == 0) { | |
1c50c1c0 | 2326 | flog_err(EC_LIB_ZAPI_SOCKET, "Zclient sock connection closed"); |
d62a17ae | 2327 | close(zclient->sock); |
2328 | zclient->sock = -1; | |
2329 | return -1; | |
2330 | } | |
2331 | ||
2332 | return 0; | |
fea12efb | 2333 | } |
c8e264b6 | 2334 | |
75fb51c1 PG |
2335 | /** |
2336 | * Connect to table manager in a syncronous way | |
2337 | * | |
2338 | * It first writes the request to zcient output buffer and then | |
2339 | * immediately reads the answer from the input buffer. | |
2340 | * | |
2341 | * @param zclient Zclient used to connect to table manager (zebra) | |
2342 | * @result Result of response | |
2343 | */ | |
2344 | int tm_table_manager_connect(struct zclient *zclient) | |
2345 | { | |
2346 | int ret; | |
2347 | struct stream *s; | |
2348 | uint8_t result; | |
2349 | ||
2350 | if (zclient_debug) | |
2351 | zlog_debug("Connecting to Table Manager"); | |
2352 | ||
2353 | if (zclient->sock < 0) | |
2354 | return -1; | |
2355 | ||
2356 | /* send request */ | |
2357 | s = zclient->obuf; | |
2358 | stream_reset(s); | |
2359 | zclient_create_header(s, ZEBRA_TABLE_MANAGER_CONNECT, VRF_DEFAULT); | |
2360 | ||
2361 | /* proto */ | |
2362 | stream_putc(s, zclient->redist_default); | |
2363 | /* instance */ | |
2364 | stream_putw(s, zclient->instance); | |
2365 | ||
2366 | /* Put length at the first point of the stream. */ | |
2367 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2368 | ||
2369 | ret = zclient_send_message(zclient); | |
2370 | if (ret < 0) | |
2371 | return -1; | |
2372 | ||
2373 | if (zclient_debug) | |
0313523d | 2374 | zlog_debug("%s: Table manager connect request sent", __func__); |
75fb51c1 PG |
2375 | |
2376 | /* read response */ | |
2377 | if (zclient_read_sync_response(zclient, ZEBRA_TABLE_MANAGER_CONNECT) | |
2378 | != 0) | |
2379 | return -1; | |
2380 | ||
2381 | /* result */ | |
2382 | s = zclient->ibuf; | |
2383 | STREAM_GETC(s, result); | |
2384 | if (zclient_debug) | |
2385 | zlog_debug( | |
2386 | "%s: Table Manager connect response received, result %u", | |
2387 | __func__, result); | |
2388 | ||
2389 | return (int)result; | |
2390 | stream_failure: | |
6a2b0d9a | 2391 | return -1; |
75fb51c1 PG |
2392 | } |
2393 | ||
2394 | /** | |
2395 | * Function to request a table chunk in a syncronous way | |
2396 | * | |
2397 | * It first writes the request to zclient output buffer and then | |
2398 | * immediately reads the answer from the input buffer. | |
2399 | * | |
2400 | * @param zclient Zclient used to connect to table manager (zebra) | |
2401 | * @param chunk_size Amount of table requested | |
2402 | * @param start to write first assigned chunk table RT ID to | |
2403 | * @param end To write last assigned chunk table RT ID to | |
2404 | * @result 0 on success, -1 otherwise | |
2405 | */ | |
2406 | int tm_get_table_chunk(struct zclient *zclient, uint32_t chunk_size, | |
2407 | uint32_t *start, uint32_t *end) | |
2408 | { | |
2409 | int ret; | |
2410 | struct stream *s; | |
2411 | ||
2412 | if (zclient_debug) | |
2413 | zlog_debug("Getting Table Chunk"); | |
2414 | ||
2415 | if (zclient->sock < 0) | |
2416 | return -1; | |
2417 | ||
2418 | /* send request */ | |
2419 | s = zclient->obuf; | |
2420 | stream_reset(s); | |
2421 | zclient_create_header(s, ZEBRA_GET_TABLE_CHUNK, VRF_DEFAULT); | |
2422 | /* chunk size */ | |
2423 | stream_putl(s, chunk_size); | |
2424 | /* Put length at the first point of the stream. */ | |
2425 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2426 | ||
2427 | ret = writen(zclient->sock, s->data, stream_get_endp(s)); | |
2428 | if (ret < 0) { | |
1c50c1c0 QY |
2429 | flog_err(EC_LIB_ZAPI_SOCKET, "%s: can't write to zclient->sock", |
2430 | __func__); | |
75fb51c1 PG |
2431 | close(zclient->sock); |
2432 | zclient->sock = -1; | |
2433 | return -1; | |
2434 | } | |
2435 | if (ret == 0) { | |
450971aa | 2436 | flog_err(EC_LIB_ZAPI_SOCKET, |
1c50c1c0 | 2437 | "%s: zclient->sock connection closed", __func__); |
75fb51c1 PG |
2438 | close(zclient->sock); |
2439 | zclient->sock = -1; | |
2440 | return -1; | |
2441 | } | |
2442 | if (zclient_debug) | |
2443 | zlog_debug("%s: Table chunk request (%d bytes) sent", __func__, | |
2444 | ret); | |
2445 | ||
2446 | /* read response */ | |
2447 | if (zclient_read_sync_response(zclient, ZEBRA_GET_TABLE_CHUNK) != 0) | |
2448 | return -1; | |
2449 | ||
2450 | s = zclient->ibuf; | |
2451 | /* start and end table IDs */ | |
2452 | STREAM_GETL(s, *start); | |
2453 | STREAM_GETL(s, *end); | |
2454 | ||
2455 | if (zclient_debug) | |
2456 | zlog_debug("Table Chunk assign: %u - %u ", *start, *end); | |
2457 | ||
75fb51c1 | 2458 | return 0; |
6a2b0d9a RW |
2459 | stream_failure: |
2460 | return -1; | |
75fb51c1 PG |
2461 | } |
2462 | ||
2463 | /** | |
2464 | * Function to release a table chunk | |
2465 | * | |
2466 | * @param zclient Zclient used to connect to table manager (zebra) | |
2467 | * @param start First label of table | |
2468 | * @param end Last label of chunk | |
2469 | * @result 0 on success, -1 otherwise | |
2470 | */ | |
2471 | int tm_release_table_chunk(struct zclient *zclient, uint32_t start, | |
2472 | uint32_t end) | |
2473 | { | |
2474 | struct stream *s; | |
2475 | ||
2476 | if (zclient_debug) | |
2477 | zlog_debug("Releasing Table Chunk"); | |
2478 | ||
2479 | if (zclient->sock < 0) | |
2480 | return -1; | |
2481 | ||
2482 | /* send request */ | |
2483 | s = zclient->obuf; | |
2484 | stream_reset(s); | |
2485 | zclient_create_header(s, ZEBRA_RELEASE_TABLE_CHUNK, VRF_DEFAULT); | |
2486 | ||
2487 | /* start */ | |
2488 | stream_putl(s, start); | |
2489 | /* end */ | |
2490 | stream_putl(s, end); | |
2491 | ||
2492 | /* Put length at the first point of the stream. */ | |
2493 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2494 | ||
2495 | return zclient_send_message(zclient); | |
2496 | } | |
2497 | ||
bad6b0e7 RW |
2498 | int zebra_send_mpls_labels(struct zclient *zclient, int cmd, |
2499 | struct zapi_labels *zl) | |
2500 | { | |
2501 | if (zapi_labels_encode(zclient->obuf, cmd, zl) < 0) | |
2502 | return -1; | |
2503 | return zclient_send_message(zclient); | |
2504 | } | |
2505 | ||
2506 | int zapi_labels_encode(struct stream *s, int cmd, struct zapi_labels *zl) | |
2507 | { | |
ea6b290b RW |
2508 | struct zapi_nexthop_label *znh; |
2509 | ||
bad6b0e7 RW |
2510 | stream_reset(s); |
2511 | ||
2512 | zclient_create_header(s, cmd, VRF_DEFAULT); | |
b3c49d0e | 2513 | stream_putc(s, zl->message); |
bad6b0e7 | 2514 | stream_putc(s, zl->type); |
b3c49d0e RW |
2515 | stream_putl(s, zl->local_label); |
2516 | ||
2517 | if (CHECK_FLAG(zl->message, ZAPI_LABELS_FTN)) { | |
2518 | stream_putw(s, zl->route.prefix.family); | |
2519 | stream_put_prefix(s, &zl->route.prefix); | |
2520 | stream_putc(s, zl->route.type); | |
2521 | stream_putw(s, zl->route.instance); | |
2522 | } | |
2523 | ||
ea6b290b RW |
2524 | if (zl->nexthop_num > MULTIPATH_NUM) { |
2525 | flog_err( | |
2526 | EC_LIB_ZAPI_ENCODE, | |
2527 | "%s: label %u: can't encode %u nexthops (maximum is %u)", | |
2528 | __func__, zl->local_label, zl->nexthop_num, | |
2529 | MULTIPATH_NUM); | |
2530 | return -1; | |
2531 | } | |
2532 | stream_putw(s, zl->nexthop_num); | |
2533 | ||
2534 | for (int i = 0; i < zl->nexthop_num; i++) { | |
2535 | znh = &zl->nexthops[i]; | |
2536 | ||
2537 | stream_putc(s, znh->type); | |
2538 | stream_putw(s, znh->family); | |
2539 | switch (znh->family) { | |
2540 | case AF_INET: | |
2541 | stream_put_in_addr(s, &znh->address.ipv4); | |
2542 | break; | |
2543 | case AF_INET6: | |
2544 | stream_write(s, (uint8_t *)&znh->address.ipv6, 16); | |
2545 | break; | |
2546 | default: | |
2547 | break; | |
2548 | } | |
2549 | stream_putl(s, znh->ifindex); | |
2550 | stream_putl(s, znh->label); | |
bad6b0e7 | 2551 | } |
bad6b0e7 RW |
2552 | |
2553 | /* Put length at the first point of the stream. */ | |
2554 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2555 | ||
2556 | return 0; | |
2557 | } | |
2558 | ||
2559 | int zapi_labels_decode(struct stream *s, struct zapi_labels *zl) | |
2560 | { | |
ea6b290b RW |
2561 | struct zapi_nexthop_label *znh; |
2562 | ||
bad6b0e7 RW |
2563 | memset(zl, 0, sizeof(*zl)); |
2564 | ||
2565 | /* Get data. */ | |
b3c49d0e | 2566 | STREAM_GETC(s, zl->message); |
bad6b0e7 | 2567 | STREAM_GETC(s, zl->type); |
b3c49d0e | 2568 | STREAM_GETL(s, zl->local_label); |
bad6b0e7 | 2569 | |
b3c49d0e RW |
2570 | if (CHECK_FLAG(zl->message, ZAPI_LABELS_FTN)) { |
2571 | size_t psize; | |
2572 | ||
2573 | STREAM_GETW(s, zl->route.prefix.family); | |
2574 | STREAM_GETC(s, zl->route.prefix.prefixlen); | |
2575 | ||
2576 | psize = PSIZE(zl->route.prefix.prefixlen); | |
2577 | switch (zl->route.prefix.family) { | |
2578 | case AF_INET: | |
2579 | if (zl->route.prefix.prefixlen > IPV4_MAX_BITLEN) { | |
2580 | zlog_debug( | |
2581 | "%s: Specified prefix length %d is greater than a v4 address can support", | |
2582 | __PRETTY_FUNCTION__, | |
2583 | zl->route.prefix.prefixlen); | |
2584 | return -1; | |
2585 | } | |
2586 | STREAM_GET(&zl->route.prefix.u.prefix4.s_addr, s, | |
2587 | psize); | |
2588 | break; | |
2589 | case AF_INET6: | |
2590 | if (zl->route.prefix.prefixlen > IPV6_MAX_BITLEN) { | |
2591 | zlog_debug( | |
2592 | "%s: Specified prefix length %d is greater than a v6 address can support", | |
2593 | __PRETTY_FUNCTION__, | |
2594 | zl->route.prefix.prefixlen); | |
2595 | return -1; | |
2596 | } | |
2597 | STREAM_GET(&zl->route.prefix.u.prefix6, s, psize); | |
2598 | break; | |
2599 | default: | |
2600 | flog_err(EC_LIB_ZAPI_ENCODE, | |
2601 | "%s: Specified family %u is not v4 or v6", | |
2602 | __PRETTY_FUNCTION__, zl->route.prefix.family); | |
bad6b0e7 RW |
2603 | return -1; |
2604 | } | |
b3c49d0e RW |
2605 | |
2606 | STREAM_GETC(s, zl->route.type); | |
2607 | STREAM_GETW(s, zl->route.instance); | |
2608 | } | |
2609 | ||
ea6b290b RW |
2610 | STREAM_GETW(s, zl->nexthop_num); |
2611 | for (int i = 0; i < zl->nexthop_num; i++) { | |
2612 | znh = &zl->nexthops[i]; | |
2613 | ||
2614 | STREAM_GETC(s, znh->type); | |
2615 | STREAM_GETW(s, znh->family); | |
2616 | switch (znh->family) { | |
2617 | case AF_INET: | |
2618 | STREAM_GET(&znh->address.ipv4.s_addr, s, | |
2619 | IPV4_MAX_BYTELEN); | |
2620 | break; | |
2621 | case AF_INET6: | |
2622 | STREAM_GET(&znh->address.ipv6, s, 16); | |
2623 | break; | |
2624 | default: | |
2625 | break; | |
2626 | } | |
2627 | STREAM_GETL(s, znh->ifindex); | |
2628 | STREAM_GETL(s, znh->label); | |
bad6b0e7 | 2629 | } |
bad6b0e7 RW |
2630 | |
2631 | return 0; | |
2632 | stream_failure: | |
2633 | return -1; | |
2634 | } | |
75fb51c1 | 2635 | |
6833ae01 | 2636 | int zebra_send_pw(struct zclient *zclient, int command, struct zapi_pw *pw) |
2637 | { | |
2638 | struct stream *s; | |
2639 | ||
2640 | /* Reset stream. */ | |
2641 | s = zclient->obuf; | |
2642 | stream_reset(s); | |
2643 | ||
2644 | zclient_create_header(s, command, VRF_DEFAULT); | |
2645 | stream_write(s, pw->ifname, IF_NAMESIZE); | |
2646 | stream_putl(s, pw->ifindex); | |
2647 | ||
2648 | /* Put type */ | |
2649 | stream_putl(s, pw->type); | |
2650 | ||
2651 | /* Put nexthop */ | |
2652 | stream_putl(s, pw->af); | |
2653 | switch (pw->af) { | |
2654 | case AF_INET: | |
2655 | stream_put_in_addr(s, &pw->nexthop.ipv4); | |
2656 | break; | |
2657 | case AF_INET6: | |
d7c0a89a | 2658 | stream_write(s, (uint8_t *)&pw->nexthop.ipv6, 16); |
6833ae01 | 2659 | break; |
2660 | default: | |
1c50c1c0 | 2661 | flog_err(EC_LIB_ZAPI_ENCODE, "%s: unknown af", __func__); |
6833ae01 | 2662 | return -1; |
2663 | } | |
2664 | ||
2665 | /* Put labels */ | |
2666 | stream_putl(s, pw->local_label); | |
2667 | stream_putl(s, pw->remote_label); | |
2668 | ||
2669 | /* Put flags */ | |
2670 | stream_putc(s, pw->flags); | |
2671 | ||
2672 | /* Protocol specific fields */ | |
2673 | stream_write(s, &pw->data, sizeof(union pw_protocol_fields)); | |
2674 | ||
2675 | /* Put length at the first point of the stream. */ | |
2676 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2677 | ||
2678 | return zclient_send_message(zclient); | |
2679 | } | |
2680 | ||
2681 | /* | |
2682 | * Receive PW status update from Zebra and send it to LDE process. | |
2683 | */ | |
121f9dee | 2684 | void zebra_read_pw_status_update(ZAPI_CALLBACK_ARGS, struct zapi_pw_status *pw) |
6833ae01 | 2685 | { |
2686 | struct stream *s; | |
2687 | ||
2688 | memset(pw, 0, sizeof(struct zapi_pw_status)); | |
2689 | s = zclient->ibuf; | |
2690 | ||
2691 | /* Get data. */ | |
2692 | stream_get(pw->ifname, s, IF_NAMESIZE); | |
2693 | pw->ifindex = stream_getl(s); | |
2694 | pw->status = stream_getl(s); | |
2695 | } | |
2696 | ||
121f9dee | 2697 | static void zclient_capability_decode(ZAPI_CALLBACK_ARGS) |
09924cff DS |
2698 | { |
2699 | struct zclient_capabilities cap; | |
2700 | struct stream *s = zclient->ibuf; | |
bb6b7f79 | 2701 | int vrf_backend; |
09924cff DS |
2702 | uint8_t mpls_enabled; |
2703 | ||
bb6b7f79 RW |
2704 | STREAM_GETL(s, vrf_backend); |
2705 | vrf_configure_backend(vrf_backend); | |
2706 | ||
09924cff DS |
2707 | memset(&cap, 0, sizeof(cap)); |
2708 | STREAM_GETC(s, mpls_enabled); | |
2709 | cap.mpls_enabled = !!mpls_enabled; | |
2710 | STREAM_GETL(s, cap.ecmp); | |
02c0866d | 2711 | STREAM_GETC(s, cap.role); |
09924cff DS |
2712 | |
2713 | if (zclient->zebra_capabilities) | |
2714 | (*zclient->zebra_capabilities)(&cap); | |
2715 | ||
2716 | stream_failure: | |
2717 | return; | |
2718 | } | |
2719 | ||
718e3744 | 2720 | /* Zebra client message read function. */ |
d62a17ae | 2721 | static int zclient_read(struct thread *thread) |
718e3744 | 2722 | { |
d62a17ae | 2723 | size_t already; |
2724 | uint16_t length, command; | |
2725 | uint8_t marker, version; | |
2726 | vrf_id_t vrf_id; | |
2727 | struct zclient *zclient; | |
2728 | ||
2729 | /* Get socket to zebra. */ | |
2730 | zclient = THREAD_ARG(thread); | |
2731 | zclient->t_read = NULL; | |
2732 | ||
2733 | /* Read zebra header (if we don't have it already). */ | |
2734 | if ((already = stream_get_endp(zclient->ibuf)) < ZEBRA_HEADER_SIZE) { | |
2735 | ssize_t nbyte; | |
2736 | if (((nbyte = stream_read_try(zclient->ibuf, zclient->sock, | |
2737 | ZEBRA_HEADER_SIZE - already)) | |
2738 | == 0) | |
2739 | || (nbyte == -1)) { | |
2740 | if (zclient_debug) | |
2741 | zlog_debug( | |
2742 | "zclient connection closed socket [%d].", | |
2743 | zclient->sock); | |
2744 | return zclient_failed(zclient); | |
2745 | } | |
2746 | if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE - already)) { | |
2747 | /* Try again later. */ | |
2748 | zclient_event(ZCLIENT_READ, zclient); | |
2749 | return 0; | |
2750 | } | |
2751 | already = ZEBRA_HEADER_SIZE; | |
634f9ea2 | 2752 | } |
d62a17ae | 2753 | |
2754 | /* Reset to read from the beginning of the incoming packet. */ | |
2755 | stream_set_getp(zclient->ibuf, 0); | |
2756 | ||
2757 | /* Fetch header values. */ | |
2758 | length = stream_getw(zclient->ibuf); | |
2759 | marker = stream_getc(zclient->ibuf); | |
2760 | version = stream_getc(zclient->ibuf); | |
a9ff90c4 | 2761 | vrf_id = stream_getl(zclient->ibuf); |
d62a17ae | 2762 | command = stream_getw(zclient->ibuf); |
2763 | ||
2764 | if (marker != ZEBRA_HEADER_MARKER || version != ZSERV_VERSION) { | |
1c50c1c0 QY |
2765 | flog_err( |
2766 | EC_LIB_ZAPI_MISSMATCH, | |
2767 | "%s: socket %d version mismatch, marker %d, version %d", | |
2768 | __func__, zclient->sock, marker, version); | |
d62a17ae | 2769 | return zclient_failed(zclient); |
634f9ea2 | 2770 | } |
d62a17ae | 2771 | |
2772 | if (length < ZEBRA_HEADER_SIZE) { | |
450971aa | 2773 | flog_err(EC_LIB_ZAPI_MISSMATCH, |
1c50c1c0 QY |
2774 | "%s: socket %d message length %u is less than %d ", |
2775 | __func__, zclient->sock, length, ZEBRA_HEADER_SIZE); | |
d62a17ae | 2776 | return zclient_failed(zclient); |
634f9ea2 | 2777 | } |
d62a17ae | 2778 | |
2779 | /* Length check. */ | |
2780 | if (length > STREAM_SIZE(zclient->ibuf)) { | |
2781 | struct stream *ns; | |
ade6974d | 2782 | flog_err( |
450971aa | 2783 | EC_LIB_ZAPI_ENCODE, |
ade6974d QY |
2784 | "%s: message size %u exceeds buffer size %lu, expanding...", |
2785 | __func__, length, | |
2786 | (unsigned long)STREAM_SIZE(zclient->ibuf)); | |
d62a17ae | 2787 | ns = stream_new(length); |
2788 | stream_copy(ns, zclient->ibuf); | |
2789 | stream_free(zclient->ibuf); | |
2790 | zclient->ibuf = ns; | |
2791 | } | |
2792 | ||
2793 | /* Read rest of zebra packet. */ | |
2794 | if (already < length) { | |
2795 | ssize_t nbyte; | |
2796 | if (((nbyte = stream_read_try(zclient->ibuf, zclient->sock, | |
2797 | length - already)) | |
2798 | == 0) | |
2799 | || (nbyte == -1)) { | |
2800 | if (zclient_debug) | |
2801 | zlog_debug( | |
2802 | "zclient connection closed socket [%d].", | |
2803 | zclient->sock); | |
2804 | return zclient_failed(zclient); | |
2805 | } | |
2806 | if (nbyte != (ssize_t)(length - already)) { | |
2807 | /* Try again later. */ | |
2808 | zclient_event(ZCLIENT_READ, zclient); | |
2809 | return 0; | |
2810 | } | |
2811 | } | |
2812 | ||
2813 | length -= ZEBRA_HEADER_SIZE; | |
2814 | ||
2815 | if (zclient_debug) | |
cdc6ed90 DS |
2816 | zlog_debug("zclient 0x%p command %s VRF %u", |
2817 | (void *)zclient, zserv_command_string(command), | |
2818 | vrf_id); | |
d62a17ae | 2819 | |
2820 | switch (command) { | |
09924cff DS |
2821 | case ZEBRA_CAPABILITIES: |
2822 | zclient_capability_decode(command, zclient, length, vrf_id); | |
2823 | break; | |
d62a17ae | 2824 | case ZEBRA_ROUTER_ID_UPDATE: |
2825 | if (zclient->router_id_update) | |
2826 | (*zclient->router_id_update)(command, zclient, length, | |
2827 | vrf_id); | |
2828 | break; | |
2829 | case ZEBRA_VRF_ADD: | |
2830 | zclient_vrf_add(zclient, vrf_id); | |
2831 | break; | |
2832 | case ZEBRA_VRF_DELETE: | |
2833 | zclient_vrf_delete(zclient, vrf_id); | |
2834 | break; | |
2835 | case ZEBRA_INTERFACE_ADD: | |
ef7bd2a3 | 2836 | zclient_interface_add(zclient, vrf_id); |
d62a17ae | 2837 | break; |
2838 | case ZEBRA_INTERFACE_DELETE: | |
3c3c3252 | 2839 | zclient_interface_delete(zclient, vrf_id); |
d62a17ae | 2840 | break; |
2841 | case ZEBRA_INTERFACE_ADDRESS_ADD: | |
2842 | if (zclient->interface_address_add) | |
2843 | (*zclient->interface_address_add)(command, zclient, | |
2844 | length, vrf_id); | |
2845 | break; | |
2846 | case ZEBRA_INTERFACE_ADDRESS_DELETE: | |
2847 | if (zclient->interface_address_delete) | |
2848 | (*zclient->interface_address_delete)(command, zclient, | |
2849 | length, vrf_id); | |
2850 | break; | |
2851 | case ZEBRA_INTERFACE_BFD_DEST_UPDATE: | |
2852 | if (zclient->interface_bfd_dest_update) | |
2853 | (*zclient->interface_bfd_dest_update)(command, zclient, | |
2854 | length, vrf_id); | |
2855 | break; | |
2856 | case ZEBRA_INTERFACE_NBR_ADDRESS_ADD: | |
2857 | if (zclient->interface_nbr_address_add) | |
2858 | (*zclient->interface_nbr_address_add)(command, zclient, | |
2859 | length, vrf_id); | |
2860 | break; | |
2861 | case ZEBRA_INTERFACE_NBR_ADDRESS_DELETE: | |
2862 | if (zclient->interface_nbr_address_delete) | |
2863 | (*zclient->interface_nbr_address_delete)( | |
2864 | command, zclient, length, vrf_id); | |
2865 | break; | |
2866 | case ZEBRA_INTERFACE_UP: | |
ddbf3e60 | 2867 | zclient_interface_up(zclient, vrf_id); |
d62a17ae | 2868 | break; |
2869 | case ZEBRA_INTERFACE_DOWN: | |
b0b69e59 | 2870 | zclient_interface_down(zclient, vrf_id); |
d62a17ae | 2871 | break; |
2872 | case ZEBRA_INTERFACE_VRF_UPDATE: | |
2873 | if (zclient->interface_vrf_update) | |
2874 | (*zclient->interface_vrf_update)(command, zclient, | |
2875 | length, vrf_id); | |
2876 | break; | |
2877 | case ZEBRA_NEXTHOP_UPDATE: | |
2878 | if (zclient_debug) | |
9165c5f5 | 2879 | zlog_debug("zclient rcvd nexthop update"); |
d62a17ae | 2880 | if (zclient->nexthop_update) |
2881 | (*zclient->nexthop_update)(command, zclient, length, | |
2882 | vrf_id); | |
2883 | break; | |
2884 | case ZEBRA_IMPORT_CHECK_UPDATE: | |
2885 | if (zclient_debug) | |
9165c5f5 | 2886 | zlog_debug("zclient rcvd import check update"); |
d62a17ae | 2887 | if (zclient->import_check_update) |
2888 | (*zclient->import_check_update)(command, zclient, | |
2889 | length, vrf_id); | |
2890 | break; | |
2891 | case ZEBRA_BFD_DEST_REPLAY: | |
2892 | if (zclient->bfd_dest_replay) | |
2893 | (*zclient->bfd_dest_replay)(command, zclient, length, | |
2894 | vrf_id); | |
2895 | break; | |
74489921 RW |
2896 | case ZEBRA_REDISTRIBUTE_ROUTE_ADD: |
2897 | if (zclient->redistribute_route_add) | |
2898 | (*zclient->redistribute_route_add)(command, zclient, | |
2899 | length, vrf_id); | |
d62a17ae | 2900 | break; |
74489921 RW |
2901 | case ZEBRA_REDISTRIBUTE_ROUTE_DEL: |
2902 | if (zclient->redistribute_route_del) | |
2903 | (*zclient->redistribute_route_del)(command, zclient, | |
2904 | length, vrf_id); | |
d62a17ae | 2905 | break; |
2906 | case ZEBRA_INTERFACE_LINK_PARAMS: | |
2907 | if (zclient->interface_link_params) | |
2908 | (*zclient->interface_link_params)(command, zclient, | |
edc12762 | 2909 | length, vrf_id); |
d62a17ae | 2910 | break; |
2911 | case ZEBRA_FEC_UPDATE: | |
2912 | if (zclient_debug) | |
9165c5f5 | 2913 | zlog_debug("zclient rcvd fec update"); |
d62a17ae | 2914 | if (zclient->fec_update) |
2915 | (*zclient->fec_update)(command, zclient, length); | |
2916 | break; | |
50f74cf1 | 2917 | case ZEBRA_LOCAL_ES_ADD: |
2918 | if (zclient->local_es_add) | |
2919 | (*zclient->local_es_add)(command, zclient, length, | |
2920 | vrf_id); | |
2921 | break; | |
2922 | case ZEBRA_LOCAL_ES_DEL: | |
2923 | if (zclient->local_es_del) | |
2924 | (*zclient->local_es_del)(command, zclient, length, | |
2925 | vrf_id); | |
2926 | break; | |
d62a17ae | 2927 | case ZEBRA_VNI_ADD: |
2928 | if (zclient->local_vni_add) | |
2929 | (*zclient->local_vni_add)(command, zclient, length, | |
2930 | vrf_id); | |
2931 | break; | |
2932 | case ZEBRA_VNI_DEL: | |
2933 | if (zclient->local_vni_del) | |
2934 | (*zclient->local_vni_del)(command, zclient, length, | |
2935 | vrf_id); | |
2936 | break; | |
b7cfce93 MK |
2937 | case ZEBRA_L3VNI_ADD: |
2938 | if (zclient->local_l3vni_add) | |
2939 | (*zclient->local_l3vni_add)(command, zclient, length, | |
2940 | vrf_id); | |
2941 | break; | |
2942 | case ZEBRA_L3VNI_DEL: | |
2943 | if (zclient->local_l3vni_del) | |
2944 | (*zclient->local_l3vni_del)(command, zclient, length, | |
2945 | vrf_id); | |
2946 | break; | |
d62a17ae | 2947 | case ZEBRA_MACIP_ADD: |
2948 | if (zclient->local_macip_add) | |
2949 | (*zclient->local_macip_add)(command, zclient, length, | |
2950 | vrf_id); | |
2951 | break; | |
2952 | case ZEBRA_MACIP_DEL: | |
2953 | if (zclient->local_macip_del) | |
2954 | (*zclient->local_macip_del)(command, zclient, length, | |
2955 | vrf_id); | |
2956 | break; | |
31310b25 MK |
2957 | case ZEBRA_IP_PREFIX_ROUTE_ADD: |
2958 | if (zclient->local_ip_prefix_add) | |
2959 | (*zclient->local_ip_prefix_add)(command, zclient, | |
2960 | length, vrf_id); | |
2961 | break; | |
2962 | case ZEBRA_IP_PREFIX_ROUTE_DEL: | |
2963 | if (zclient->local_ip_prefix_del) | |
2964 | (*zclient->local_ip_prefix_del)(command, zclient, | |
2965 | length, vrf_id); | |
2966 | break; | |
6833ae01 | 2967 | case ZEBRA_PW_STATUS_UPDATE: |
2968 | if (zclient->pw_status_update) | |
2969 | (*zclient->pw_status_update)(command, zclient, length, | |
2970 | vrf_id); | |
2971 | break; | |
7ea7b86e | 2972 | case ZEBRA_ROUTE_NOTIFY_OWNER: |
28b11f81 DS |
2973 | if (zclient->route_notify_owner) |
2974 | (*zclient->route_notify_owner)(command, zclient, length, | |
2975 | vrf_id); | |
7ea7b86e | 2976 | break; |
b6c5d343 DS |
2977 | case ZEBRA_RULE_NOTIFY_OWNER: |
2978 | if (zclient->rule_notify_owner) | |
2979 | (*zclient->rule_notify_owner)(command, zclient, length, | |
2980 | vrf_id); | |
955bfd98 PZ |
2981 | break; |
2982 | case ZEBRA_GET_LABEL_CHUNK: | |
2983 | if (zclient->label_chunk) | |
2984 | (*zclient->label_chunk)(command, zclient, length, | |
0313523d | 2985 | vrf_id); |
955bfd98 | 2986 | break; |
c16a0a62 PG |
2987 | case ZEBRA_IPSET_NOTIFY_OWNER: |
2988 | if (zclient->ipset_notify_owner) | |
2989 | (*zclient->ipset_notify_owner)(command, zclient, length, | |
2990 | vrf_id); | |
2991 | break; | |
2992 | case ZEBRA_IPSET_ENTRY_NOTIFY_OWNER: | |
2993 | if (zclient->ipset_entry_notify_owner) | |
2994 | (*zclient->ipset_entry_notify_owner)(command, | |
2995 | zclient, length, | |
2996 | vrf_id); | |
2997 | break; | |
2998 | case ZEBRA_IPTABLE_NOTIFY_OWNER: | |
2999 | if (zclient->iptable_notify_owner) | |
3000 | (*zclient->iptable_notify_owner)(command, | |
3001 | zclient, length, | |
3002 | vrf_id); | |
4ab3321f AK |
3003 | break; |
3004 | case ZEBRA_VXLAN_SG_ADD: | |
3005 | if (zclient->vxlan_sg_add) | |
3006 | (*zclient->vxlan_sg_add)(command, zclient, length, | |
3007 | vrf_id); | |
3008 | break; | |
3009 | case ZEBRA_VXLAN_SG_DEL: | |
3010 | if (zclient->vxlan_sg_del) | |
3011 | (*zclient->vxlan_sg_del)(command, zclient, length, | |
3012 | vrf_id); | |
3013 | break; | |
d62a17ae | 3014 | default: |
3015 | break; | |
634f9ea2 | 3016 | } |
d62a17ae | 3017 | |
3018 | if (zclient->sock < 0) | |
3019 | /* Connection was closed during packet processing. */ | |
3020 | return -1; | |
3021 | ||
3022 | /* Register read thread. */ | |
3023 | stream_reset(zclient->ibuf); | |
3024 | zclient_event(ZCLIENT_READ, zclient); | |
3025 | ||
3026 | return 0; | |
718e3744 | 3027 | } |
3028 | ||
d62a17ae | 3029 | void zclient_redistribute(int command, struct zclient *zclient, afi_t afi, |
d7c0a89a | 3030 | int type, unsigned short instance, vrf_id_t vrf_id) |
718e3744 | 3031 | { |
718e3744 | 3032 | |
d62a17ae | 3033 | if (instance) { |
3034 | if (command == ZEBRA_REDISTRIBUTE_ADD) { | |
3035 | if (redist_check_instance( | |
3036 | &zclient->mi_redist[afi][type], instance)) | |
3037 | return; | |
3038 | redist_add_instance(&zclient->mi_redist[afi][type], | |
3039 | instance); | |
3040 | } else { | |
3041 | if (!redist_check_instance( | |
3042 | &zclient->mi_redist[afi][type], instance)) | |
3043 | return; | |
3044 | redist_del_instance(&zclient->mi_redist[afi][type], | |
3045 | instance); | |
3046 | } | |
3047 | ||
3048 | } else { | |
3049 | if (command == ZEBRA_REDISTRIBUTE_ADD) { | |
3050 | if (vrf_bitmap_check(zclient->redist[afi][type], | |
3051 | vrf_id)) | |
3052 | return; | |
3053 | vrf_bitmap_set(zclient->redist[afi][type], vrf_id); | |
3054 | } else { | |
3055 | if (!vrf_bitmap_check(zclient->redist[afi][type], | |
3056 | vrf_id)) | |
3057 | return; | |
3058 | vrf_bitmap_unset(zclient->redist[afi][type], vrf_id); | |
3059 | } | |
3060 | } | |
3061 | ||
3062 | if (zclient->sock > 0) | |
3063 | zebra_redistribute_send(command, zclient, afi, type, instance, | |
3064 | vrf_id); | |
718e3744 | 3065 | } |
3066 | ||
718e3744 | 3067 | |
d62a17ae | 3068 | void zclient_redistribute_default(int command, struct zclient *zclient, |
49db7a7b | 3069 | afi_t afi, vrf_id_t vrf_id) |
718e3744 | 3070 | { |
718e3744 | 3071 | |
d62a17ae | 3072 | if (command == ZEBRA_REDISTRIBUTE_DEFAULT_ADD) { |
49db7a7b | 3073 | if (vrf_bitmap_check(zclient->default_information[afi], vrf_id)) |
d62a17ae | 3074 | return; |
49db7a7b | 3075 | vrf_bitmap_set(zclient->default_information[afi], vrf_id); |
d62a17ae | 3076 | } else { |
49db7a7b RW |
3077 | if (!vrf_bitmap_check(zclient->default_information[afi], |
3078 | vrf_id)) | |
d62a17ae | 3079 | return; |
49db7a7b | 3080 | vrf_bitmap_unset(zclient->default_information[afi], vrf_id); |
d62a17ae | 3081 | } |
3082 | ||
3083 | if (zclient->sock > 0) | |
49db7a7b | 3084 | zebra_redistribute_default_send(command, zclient, afi, vrf_id); |
718e3744 | 3085 | } |
3086 | ||
d62a17ae | 3087 | static void zclient_event(enum event event, struct zclient *zclient) |
718e3744 | 3088 | { |
d62a17ae | 3089 | switch (event) { |
3090 | case ZCLIENT_SCHEDULE: | |
3091 | thread_add_event(zclient->master, zclient_connect, zclient, 0, | |
3092 | &zclient->t_connect); | |
3093 | break; | |
3094 | case ZCLIENT_CONNECT: | |
3095 | if (zclient_debug) | |
3096 | zlog_debug( | |
3097 | "zclient connect failures: %d schedule interval is now %d", | |
3098 | zclient->fail, zclient->fail < 3 ? 10 : 60); | |
3099 | thread_add_timer(zclient->master, zclient_connect, zclient, | |
3100 | zclient->fail < 3 ? 10 : 60, | |
3101 | &zclient->t_connect); | |
3102 | break; | |
3103 | case ZCLIENT_READ: | |
3104 | zclient->t_read = NULL; | |
3105 | thread_add_read(zclient->master, zclient_read, zclient, | |
3106 | zclient->sock, &zclient->t_read); | |
3107 | break; | |
3108 | } | |
718e3744 | 3109 | } |
b5114685 | 3110 | |
e0ae31b8 DS |
3111 | void zclient_interface_set_master(struct zclient *client, |
3112 | struct interface *master, | |
3113 | struct interface *slave) | |
3114 | { | |
3115 | struct stream *s; | |
3116 | ||
3117 | s = client->obuf; | |
3118 | stream_reset(s); | |
3119 | ||
a36898e7 | 3120 | zclient_create_header(s, ZEBRA_INTERFACE_SET_MASTER, master->vrf_id); |
e0ae31b8 | 3121 | |
a36898e7 | 3122 | stream_putl(s, master->vrf_id); |
e0ae31b8 | 3123 | stream_putl(s, master->ifindex); |
a36898e7 | 3124 | stream_putl(s, slave->vrf_id); |
e0ae31b8 DS |
3125 | stream_putl(s, slave->ifindex); |
3126 | ||
3127 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3128 | zclient_send_message(client); | |
3129 | } |