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718e3744 | 1 | /* Redistribution Handler |
2 | * Copyright (C) 1998 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "vector.h" | |
24 | #include "vty.h" | |
25 | #include "command.h" | |
26 | #include "prefix.h" | |
27 | #include "table.h" | |
28 | #include "stream.h" | |
29 | #include "zclient.h" | |
30 | #include "linklist.h" | |
31 | #include "log.h" | |
b72ede27 | 32 | #include "vrf.h" |
05737783 | 33 | #include "srcdest_table.h" |
718e3744 | 34 | |
35 | #include "zebra/rib.h" | |
161e9ab7 | 36 | #include "zebra/zebra_router.h" |
7c551956 DS |
37 | #include "zebra/zebra_ns.h" |
38 | #include "zebra/zebra_vrf.h" | |
8902474b | 39 | #include "zebra/zebra_routemap.h" |
718e3744 | 40 | #include "zebra/redistribute.h" |
41 | #include "zebra/debug.h" | |
18a6dce6 | 42 | #include "zebra/router-id.h" |
bf094f69 | 43 | #include "zebra/zapi_msg.h" |
4a1ab8e4 | 44 | #include "zebra/zebra_memory.h" |
1a98c087 | 45 | #include "zebra/zebra_vxlan.h" |
364fed6b | 46 | #include "zebra/zebra_errors.h" |
718e3744 | 47 | |
244c1cdc DS |
48 | #define ZEBRA_PTM_SUPPORT |
49 | ||
7a4bb9c5 DS |
50 | /* array holding redistribute info about table redistribution */ |
51 | /* bit AFI is set if that AFI is redistributing routes from this table */ | |
032bfaaf | 52 | static int zebra_import_table_used[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX]; |
d7c0a89a | 53 | static uint32_t zebra_import_table_distance[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX]; |
7a4bb9c5 | 54 | |
d7c0a89a | 55 | int is_zebra_import_table_enabled(afi_t afi, uint32_t table_id) |
7a4bb9c5 | 56 | { |
1e9f448f DS |
57 | /* |
58 | * Make sure that what we are called with actualy makes sense | |
59 | */ | |
60 | if (afi == AFI_MAX) | |
61 | return 0; | |
62 | ||
95a29032 DS |
63 | if (is_zebra_valid_kernel_table(table_id) && |
64 | table_id < ZEBRA_KERNEL_TABLE_MAX) | |
d62a17ae | 65 | return zebra_import_table_used[afi][table_id]; |
66 | return 0; | |
7a4bb9c5 DS |
67 | } |
68 | ||
d62a17ae | 69 | static void zebra_redistribute_default(struct zserv *client, vrf_id_t vrf_id) |
718e3744 | 70 | { |
d62a17ae | 71 | int afi; |
72 | struct prefix p; | |
73 | struct route_table *table; | |
74 | struct route_node *rn; | |
75 | struct route_entry *newre; | |
76 | ||
77 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
78 | /* Lookup table. */ | |
79 | table = zebra_vrf_table(afi, SAFI_UNICAST, vrf_id); | |
80 | if (!table) | |
81 | continue; | |
82 | ||
83 | /* Lookup default route. */ | |
84 | memset(&p, 0, sizeof(p)); | |
85 | p.family = afi2family(afi); | |
86 | rn = route_node_lookup(table, &p); | |
87 | if (!rn) | |
88 | continue; | |
89 | ||
a2addae8 | 90 | RNODE_FOREACH_RE (rn, newre) { |
407c87a6 DS |
91 | if (CHECK_FLAG(newre->flags, ZEBRA_FLAG_SELECTED) |
92 | && newre->distance != DISTANCE_INFINITY) | |
93 | zsend_redistribute_route( | |
a2addae8 RW |
94 | ZEBRA_REDISTRIBUTE_ROUTE_ADD, client, |
95 | &rn->p, NULL, newre); | |
407c87a6 | 96 | } |
d62a17ae | 97 | |
98 | route_unlock_node(rn); | |
99 | } | |
718e3744 | 100 | } |
101 | ||
102 | /* Redistribute routes. */ | |
d7c0a89a QY |
103 | static void zebra_redistribute(struct zserv *client, int type, |
104 | unsigned short instance, vrf_id_t vrf_id, | |
105 | int afi) | |
718e3744 | 106 | { |
d62a17ae | 107 | struct route_entry *newre; |
108 | struct route_table *table; | |
109 | struct route_node *rn; | |
110 | ||
111 | table = zebra_vrf_table(afi, SAFI_UNICAST, vrf_id); | |
112 | if (!table) | |
113 | return; | |
114 | ||
f0c4b8e1 | 115 | for (rn = route_top(table); rn; rn = srcdest_route_next(rn)) |
a2addae8 | 116 | RNODE_FOREACH_RE (rn, newre) { |
86391e56 | 117 | const struct prefix *dst_p, *src_p; |
3e178809 DS |
118 | char buf[PREFIX_STRLEN]; |
119 | ||
d62a17ae | 120 | srcdest_rnode_prefixes(rn, &dst_p, &src_p); |
121 | ||
122 | if (IS_ZEBRA_DEBUG_EVENT) | |
123 | zlog_debug( | |
38bbad1b | 124 | "%s: client %s %s(%u) checking: selected=%d, type=%d, distance=%d, metric=%d zebra_check_addr=%d", |
d62a17ae | 125 | __func__, |
1b6e575b | 126 | zebra_route_string(client->proto), |
3e178809 | 127 | prefix2str(dst_p, buf, sizeof(buf)), |
1b6e575b PZ |
128 | vrf_id, CHECK_FLAG(newre->flags, |
129 | ZEBRA_FLAG_SELECTED), | |
d62a17ae | 130 | newre->type, newre->distance, |
3e178809 | 131 | newre->metric, zebra_check_addr(dst_p)); |
d62a17ae | 132 | |
133 | if (!CHECK_FLAG(newre->flags, ZEBRA_FLAG_SELECTED)) | |
134 | continue; | |
135 | if ((type != ZEBRA_ROUTE_ALL | |
136 | && (newre->type != type | |
137 | || newre->instance != instance))) | |
138 | continue; | |
139 | if (newre->distance == DISTANCE_INFINITY) | |
140 | continue; | |
141 | if (!zebra_check_addr(dst_p)) | |
142 | continue; | |
143 | ||
74489921 RW |
144 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_ADD, |
145 | client, dst_p, src_p, newre); | |
d62a17ae | 146 | } |
718e3744 | 147 | } |
148 | ||
c41fc67b | 149 | /* Either advertise a route for redistribution to registered clients or */ |
150 | /* withdraw redistribution if add cannot be done for client */ | |
86391e56 | 151 | void redistribute_update(const struct prefix *p, const struct prefix *src_p, |
d62a17ae | 152 | struct route_entry *re, struct route_entry *prev_re) |
718e3744 | 153 | { |
d62a17ae | 154 | struct listnode *node, *nnode; |
155 | struct zserv *client; | |
156 | int send_redistribute; | |
157 | int afi; | |
3e178809 | 158 | char buf[PREFIX_STRLEN]; |
d62a17ae | 159 | |
160 | if (IS_ZEBRA_DEBUG_RIB) { | |
d62a17ae | 161 | zlog_debug( |
2da33d6b | 162 | "%u:%s: Redist update re %p (%s), old %p (%s)", |
3e178809 | 163 | re->vrf_id, prefix2str(p, buf, sizeof(buf)), |
2da33d6b DS |
164 | re, zebra_route_string(re->type), prev_re, |
165 | prev_re ? zebra_route_string(prev_re->type) : "None"); | |
d62a17ae | 166 | } |
167 | ||
168 | afi = family2afi(p->family); | |
169 | if (!afi) { | |
e914ccbe | 170 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, |
9df414fe | 171 | "%s: Unknown AFI/SAFI prefix received\n", |
d62a17ae | 172 | __FUNCTION__); |
173 | return; | |
c41fc67b | 174 | } |
d62a17ae | 175 | |
161e9ab7 | 176 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
d62a17ae | 177 | send_redistribute = 0; |
178 | ||
f229873a | 179 | if (is_default_prefix(p) |
49db7a7b RW |
180 | && vrf_bitmap_check(client->redist_default[afi], |
181 | re->vrf_id)) | |
d62a17ae | 182 | send_redistribute = 1; |
183 | else if (vrf_bitmap_check(client->redist[afi][ZEBRA_ROUTE_ALL], | |
184 | re->vrf_id)) | |
185 | send_redistribute = 1; | |
186 | else if (re->instance | |
187 | && redist_check_instance( | |
188 | &client->mi_redist[afi][re->type], | |
189 | re->instance)) | |
190 | send_redistribute = 1; | |
191 | else if (vrf_bitmap_check(client->redist[afi][re->type], | |
192 | re->vrf_id)) | |
193 | send_redistribute = 1; | |
194 | ||
195 | if (send_redistribute) { | |
3e178809 DS |
196 | if (IS_ZEBRA_DEBUG_EVENT) { |
197 | zlog_debug( | |
38bbad1b | 198 | "%s: client %s %s(%u), type=%d, distance=%d, metric=%d", |
3e178809 DS |
199 | __func__, |
200 | zebra_route_string(client->proto), | |
201 | prefix2str(p, buf, sizeof(buf)), | |
202 | re->vrf_id, re->type, | |
203 | re->distance, re->metric); | |
204 | } | |
74489921 RW |
205 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_ADD, |
206 | client, p, src_p, re); | |
d62a17ae | 207 | } else if (prev_re |
208 | && ((re->instance | |
209 | && redist_check_instance( | |
210 | &client->mi_redist[afi] | |
211 | [prev_re->type], | |
212 | re->instance)) | |
213 | || vrf_bitmap_check( | |
214 | client->redist[afi][prev_re->type], | |
215 | re->vrf_id))) { | |
74489921 RW |
216 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_DEL, |
217 | client, p, src_p, prev_re); | |
d62a17ae | 218 | } |
c41fc67b | 219 | } |
718e3744 | 220 | } |
221 | ||
86391e56 | 222 | void redistribute_delete(const struct prefix *p, const struct prefix *src_p, |
d62a17ae | 223 | struct route_entry *re) |
718e3744 | 224 | { |
d62a17ae | 225 | struct listnode *node, *nnode; |
226 | struct zserv *client; | |
227 | char buf[INET6_ADDRSTRLEN]; | |
228 | int afi; | |
229 | ||
230 | if (IS_ZEBRA_DEBUG_RIB) { | |
231 | inet_ntop(p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN); | |
2da33d6b DS |
232 | zlog_debug("%u:%s/%d: Redist delete re %p (%s)", |
233 | re->vrf_id, buf, p->prefixlen, re, | |
234 | zebra_route_string(re->type)); | |
d62a17ae | 235 | } |
236 | ||
237 | /* Add DISTANCE_INFINITY check. */ | |
238 | if (re->distance == DISTANCE_INFINITY) | |
239 | return; | |
240 | ||
241 | afi = family2afi(p->family); | |
242 | if (!afi) { | |
e914ccbe | 243 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, |
9df414fe | 244 | "%s: Unknown AFI/SAFI prefix received\n", |
d62a17ae | 245 | __FUNCTION__); |
246 | return; | |
247 | } | |
248 | ||
161e9ab7 | 249 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
f229873a | 250 | if ((is_default_prefix(p) |
49db7a7b RW |
251 | && vrf_bitmap_check(client->redist_default[afi], |
252 | re->vrf_id)) | |
d62a17ae | 253 | || vrf_bitmap_check(client->redist[afi][ZEBRA_ROUTE_ALL], |
254 | re->vrf_id) | |
255 | || (re->instance | |
256 | && redist_check_instance( | |
257 | &client->mi_redist[afi][re->type], | |
258 | re->instance)) | |
259 | || vrf_bitmap_check(client->redist[afi][re->type], | |
260 | re->vrf_id)) { | |
74489921 RW |
261 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_DEL, |
262 | client, p, src_p, re); | |
d62a17ae | 263 | } |
1eb8ef25 | 264 | } |
718e3744 | 265 | } |
266 | ||
89f4e507 | 267 | void zebra_redistribute_add(ZAPI_HANDLER_ARGS) |
718e3744 | 268 | { |
ec93aa12 DS |
269 | afi_t afi = 0; |
270 | int type = 0; | |
d7c0a89a | 271 | unsigned short instance; |
d62a17ae | 272 | |
1002497a QY |
273 | STREAM_GETC(msg, afi); |
274 | STREAM_GETC(msg, type); | |
275 | STREAM_GETW(msg, instance); | |
d62a17ae | 276 | |
1b6e575b PZ |
277 | if (IS_ZEBRA_DEBUG_EVENT) |
278 | zlog_debug( | |
38bbad1b | 279 | "%s: client proto %s afi=%d, wants %s, vrf %u, instance=%d", |
1b6e575b PZ |
280 | __func__, zebra_route_string(client->proto), afi, |
281 | zebra_route_string(type), zvrf_id(zvrf), instance); | |
282 | ||
e1fa928d | 283 | if (afi == 0 || afi >= AFI_MAX) { |
e914ccbe | 284 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, |
9df414fe | 285 | "%s: Specified afi %d does not exist", |
ec93aa12 | 286 | __PRETTY_FUNCTION__, afi); |
d62a17ae | 287 | return; |
ec93aa12 DS |
288 | } |
289 | ||
290 | if (type == 0 || type >= ZEBRA_ROUTE_MAX) { | |
9df414fe QY |
291 | zlog_debug("%s: Specified Route Type %d does not exist", |
292 | __PRETTY_FUNCTION__, type); | |
ec93aa12 DS |
293 | return; |
294 | } | |
d62a17ae | 295 | |
296 | if (instance) { | |
297 | if (!redist_check_instance(&client->mi_redist[afi][type], | |
298 | instance)) { | |
299 | redist_add_instance(&client->mi_redist[afi][type], | |
300 | instance); | |
301 | zebra_redistribute(client, type, instance, | |
302 | zvrf_id(zvrf), afi); | |
303 | } | |
304 | } else { | |
305 | if (!vrf_bitmap_check(client->redist[afi][type], | |
306 | zvrf_id(zvrf))) { | |
1b6e575b | 307 | if (IS_ZEBRA_DEBUG_EVENT) |
38bbad1b | 308 | zlog_debug("%s: setting vrf %u redist bitmap", |
1b6e575b | 309 | __func__, zvrf_id(zvrf)); |
d62a17ae | 310 | vrf_bitmap_set(client->redist[afi][type], |
311 | zvrf_id(zvrf)); | |
312 | zebra_redistribute(client, type, 0, zvrf_id(zvrf), afi); | |
313 | } | |
4e1cadf0 | 314 | } |
ec93aa12 DS |
315 | |
316 | stream_failure: | |
317 | return; | |
ebf08631 | 318 | } |
718e3744 | 319 | |
89f4e507 | 320 | void zebra_redistribute_delete(ZAPI_HANDLER_ARGS) |
718e3744 | 321 | { |
ec93aa12 DS |
322 | afi_t afi = 0; |
323 | int type = 0; | |
d7c0a89a | 324 | unsigned short instance; |
d62a17ae | 325 | |
1002497a QY |
326 | STREAM_GETC(msg, afi); |
327 | STREAM_GETC(msg, type); | |
328 | STREAM_GETW(msg, instance); | |
d62a17ae | 329 | |
e1fa928d | 330 | if (afi == 0 || afi >= AFI_MAX) { |
e914ccbe | 331 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, |
9df414fe | 332 | "%s: Specified afi %d does not exist", |
ec93aa12 | 333 | __PRETTY_FUNCTION__, afi); |
d62a17ae | 334 | return; |
ec93aa12 DS |
335 | } |
336 | ||
337 | if (type == 0 || type >= ZEBRA_ROUTE_MAX) { | |
9df414fe QY |
338 | zlog_debug("%s: Specified Route Type %d does not exist", |
339 | __PRETTY_FUNCTION__, type); | |
ec93aa12 DS |
340 | return; |
341 | } | |
d62a17ae | 342 | |
343 | /* | |
344 | * NOTE: no need to withdraw the previously advertised routes. The | |
345 | * clients | |
346 | * themselves should keep track of the received routes from zebra and | |
347 | * withdraw them when necessary. | |
348 | */ | |
349 | if (instance) | |
350 | redist_del_instance(&client->mi_redist[afi][type], instance); | |
351 | else | |
352 | vrf_bitmap_unset(client->redist[afi][type], zvrf_id(zvrf)); | |
ec93aa12 DS |
353 | |
354 | stream_failure: | |
355 | return; | |
ebf08631 | 356 | } |
718e3744 | 357 | |
89f4e507 | 358 | void zebra_redistribute_default_add(ZAPI_HANDLER_ARGS) |
718e3744 | 359 | { |
49db7a7b RW |
360 | afi_t afi = 0; |
361 | ||
362 | STREAM_GETC(msg, afi); | |
363 | ||
364 | if (afi == 0 || afi >= AFI_MAX) { | |
365 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, | |
366 | "%s: Specified afi %u does not exist", | |
367 | __PRETTY_FUNCTION__, afi); | |
368 | return; | |
369 | } | |
370 | ||
371 | vrf_bitmap_set(client->redist_default[afi], zvrf_id(zvrf)); | |
d62a17ae | 372 | zebra_redistribute_default(client, zvrf_id(zvrf)); |
49db7a7b RW |
373 | |
374 | stream_failure: | |
375 | return; | |
d62a17ae | 376 | } |
718e3744 | 377 | |
89f4e507 | 378 | void zebra_redistribute_default_delete(ZAPI_HANDLER_ARGS) |
718e3744 | 379 | { |
49db7a7b RW |
380 | afi_t afi = 0; |
381 | ||
382 | STREAM_GETC(msg, afi); | |
383 | ||
384 | if (afi == 0 || afi >= AFI_MAX) { | |
385 | flog_warn(EC_ZEBRA_REDISTRIBUTE_UNKNOWN_AF, | |
386 | "%s: Specified afi %u does not exist", | |
387 | __PRETTY_FUNCTION__, afi); | |
388 | return; | |
389 | } | |
390 | ||
391 | vrf_bitmap_unset(client->redist_default[afi], zvrf_id(zvrf)); | |
392 | ||
393 | stream_failure: | |
394 | return; | |
d62a17ae | 395 | } |
718e3744 | 396 | |
397 | /* Interface up information. */ | |
d62a17ae | 398 | void zebra_interface_up_update(struct interface *ifp) |
718e3744 | 399 | { |
d62a17ae | 400 | struct listnode *node, *nnode; |
401 | struct zserv *client; | |
402 | ||
403 | if (IS_ZEBRA_DEBUG_EVENT) | |
38bbad1b | 404 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_UP %s(%u)", |
a36898e7 | 405 | ifp->name, ifp->vrf_id); |
d62a17ae | 406 | |
407 | if (ifp->ptm_status || !ifp->ptm_enable) { | |
161e9ab7 | 408 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, |
a8a20c4e DS |
409 | client)) { |
410 | zsend_interface_update(ZEBRA_INTERFACE_UP, | |
411 | client, ifp); | |
412 | zsend_interface_link_params(client, ifp); | |
413 | } | |
16f1b9ee | 414 | } |
718e3744 | 415 | } |
416 | ||
417 | /* Interface down information. */ | |
d62a17ae | 418 | void zebra_interface_down_update(struct interface *ifp) |
718e3744 | 419 | { |
d62a17ae | 420 | struct listnode *node, *nnode; |
421 | struct zserv *client; | |
718e3744 | 422 | |
d62a17ae | 423 | if (IS_ZEBRA_DEBUG_EVENT) |
38bbad1b | 424 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_DOWN %s(%u)", |
a36898e7 | 425 | ifp->name, ifp->vrf_id); |
718e3744 | 426 | |
161e9ab7 | 427 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
d62a17ae | 428 | zsend_interface_update(ZEBRA_INTERFACE_DOWN, client, ifp); |
429 | } | |
718e3744 | 430 | } |
431 | ||
432 | /* Interface information update. */ | |
d62a17ae | 433 | void zebra_interface_add_update(struct interface *ifp) |
718e3744 | 434 | { |
d62a17ae | 435 | struct listnode *node, *nnode; |
436 | struct zserv *client; | |
437 | ||
438 | if (IS_ZEBRA_DEBUG_EVENT) | |
38bbad1b | 439 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADD %s(%u)", ifp->name, |
a36898e7 | 440 | ifp->vrf_id); |
d62a17ae | 441 | |
a8a20c4e DS |
442 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
443 | client->ifadd_cnt++; | |
444 | zsend_interface_add(client, ifp); | |
445 | zsend_interface_link_params(client, ifp); | |
446 | } | |
718e3744 | 447 | } |
448 | ||
d62a17ae | 449 | void zebra_interface_delete_update(struct interface *ifp) |
718e3744 | 450 | { |
d62a17ae | 451 | struct listnode *node, *nnode; |
452 | struct zserv *client; | |
718e3744 | 453 | |
d62a17ae | 454 | if (IS_ZEBRA_DEBUG_EVENT) |
38bbad1b | 455 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_DELETE %s(%u)", |
a36898e7 | 456 | ifp->name, ifp->vrf_id); |
718e3744 | 457 | |
161e9ab7 | 458 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
d62a17ae | 459 | client->ifdel_cnt++; |
460 | zsend_interface_delete(client, ifp); | |
461 | } | |
718e3744 | 462 | } |
463 | ||
464 | /* Interface address addition. */ | |
d62a17ae | 465 | void zebra_interface_address_add_update(struct interface *ifp, |
466 | struct connected *ifc) | |
718e3744 | 467 | { |
d62a17ae | 468 | struct listnode *node, *nnode; |
469 | struct zserv *client; | |
470 | struct prefix *p; | |
471 | ||
472 | if (IS_ZEBRA_DEBUG_EVENT) { | |
473 | char buf[PREFIX_STRLEN]; | |
474 | ||
475 | p = ifc->address; | |
38bbad1b DS |
476 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADDRESS_ADD %s on %s(%u)", |
477 | prefix2str(p, buf, sizeof(buf)), ifp->name, | |
a36898e7 | 478 | ifp->vrf_id); |
d62a17ae | 479 | } |
480 | ||
481 | if (!CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) | |
9df414fe | 482 | flog_warn( |
e914ccbe | 483 | EC_ZEBRA_ADVERTISING_UNUSABLE_ADDR, |
d62a17ae | 484 | "WARNING: advertising address to clients that is not yet usable."); |
485 | ||
1a98c087 MK |
486 | zebra_vxlan_add_del_gw_macip(ifp, ifc->address, 1); |
487 | ||
d62a17ae | 488 | router_id_add_address(ifc); |
489 | ||
161e9ab7 | 490 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
d62a17ae | 491 | if (CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) { |
492 | client->connected_rt_add_cnt++; | |
493 | zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, | |
494 | client, ifp, ifc); | |
495 | } | |
718e3744 | 496 | } |
497 | ||
498 | /* Interface address deletion. */ | |
d62a17ae | 499 | void zebra_interface_address_delete_update(struct interface *ifp, |
500 | struct connected *ifc) | |
718e3744 | 501 | { |
d62a17ae | 502 | struct listnode *node, *nnode; |
503 | struct zserv *client; | |
504 | struct prefix *p; | |
505 | ||
506 | if (IS_ZEBRA_DEBUG_EVENT) { | |
507 | char buf[PREFIX_STRLEN]; | |
508 | ||
509 | p = ifc->address; | |
38bbad1b DS |
510 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADDRESS_DELETE %s on %s(%u)", |
511 | prefix2str(p, buf, sizeof(buf)), | |
a36898e7 | 512 | ifp->name, ifp->vrf_id); |
d62a17ae | 513 | } |
514 | ||
1a98c087 MK |
515 | zebra_vxlan_add_del_gw_macip(ifp, ifc->address, 0); |
516 | ||
d62a17ae | 517 | router_id_del_address(ifc); |
518 | ||
161e9ab7 | 519 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
d62a17ae | 520 | if (CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) { |
521 | client->connected_rt_del_cnt++; | |
522 | zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
523 | client, ifp, ifc); | |
524 | } | |
718e3744 | 525 | } |
d5a5c8f0 | 526 | |
c8e264b6 | 527 | /* Interface VRF change. May need to delete from clients not interested in |
528 | * the new VRF. Note that this function is invoked *prior* to the VRF change. | |
529 | */ | |
d62a17ae | 530 | void zebra_interface_vrf_update_del(struct interface *ifp, vrf_id_t new_vrf_id) |
c8e264b6 | 531 | { |
d62a17ae | 532 | struct listnode *node, *nnode; |
533 | struct zserv *client; | |
534 | ||
535 | if (IS_ZEBRA_DEBUG_EVENT) | |
536 | zlog_debug( | |
537 | "MESSAGE: ZEBRA_INTERFACE_VRF_UPDATE/DEL %s VRF Id %u -> %u", | |
a36898e7 | 538 | ifp->name, ifp->vrf_id, new_vrf_id); |
d62a17ae | 539 | |
161e9ab7 | 540 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
d62a17ae | 541 | /* Need to delete if the client is not interested in the new |
542 | * VRF. */ | |
543 | zsend_interface_update(ZEBRA_INTERFACE_DOWN, client, ifp); | |
544 | client->ifdel_cnt++; | |
545 | zsend_interface_delete(client, ifp); | |
546 | zsend_interface_vrf_update(client, ifp, new_vrf_id); | |
547 | } | |
c8e264b6 | 548 | } |
549 | ||
550 | /* Interface VRF change. This function is invoked *post* VRF change and sends an | |
551 | * add to clients who are interested in the new VRF but not in the old VRF. | |
552 | */ | |
d62a17ae | 553 | void zebra_interface_vrf_update_add(struct interface *ifp, vrf_id_t old_vrf_id) |
c8e264b6 | 554 | { |
d62a17ae | 555 | struct listnode *node, *nnode; |
556 | struct zserv *client; | |
557 | ||
558 | if (IS_ZEBRA_DEBUG_EVENT) | |
559 | zlog_debug( | |
560 | "MESSAGE: ZEBRA_INTERFACE_VRF_UPDATE/ADD %s VRF Id %u -> %u", | |
a36898e7 | 561 | ifp->name, old_vrf_id, ifp->vrf_id); |
d62a17ae | 562 | |
161e9ab7 | 563 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
d62a17ae | 564 | /* Need to add if the client is interested in the new VRF. */ |
565 | client->ifadd_cnt++; | |
566 | zsend_interface_add(client, ifp); | |
567 | zsend_interface_addresses(client, ifp); | |
568 | } | |
c8e264b6 | 569 | } |
570 | ||
d62a17ae | 571 | int zebra_add_import_table_entry(struct route_node *rn, struct route_entry *re, |
572 | const char *rmap_name) | |
7a4bb9c5 | 573 | { |
d62a17ae | 574 | struct route_entry *newre; |
575 | struct route_entry *same; | |
576 | struct prefix p; | |
2789041a | 577 | route_map_result_t ret = RMAP_MATCH; |
f8c175f3 | 578 | afi_t afi; |
d62a17ae | 579 | |
f8c175f3 | 580 | afi = family2afi(rn->p.family); |
d62a17ae | 581 | if (rmap_name) |
582 | ret = zebra_import_table_route_map_check( | |
633a66a5 DS |
583 | afi, re->type, re->instance, &rn->p, re->ng.nexthop, |
584 | re->vrf_id, re->tag, rmap_name); | |
d62a17ae | 585 | |
2789041a | 586 | if (ret != RMAP_MATCH) { |
85c615ac | 587 | UNSET_FLAG(re->flags, ZEBRA_FLAG_SELECTED); |
20796bc3 DS |
588 | zebra_del_import_table_entry(rn, re); |
589 | return 0; | |
590 | } | |
d62a17ae | 591 | |
f8c175f3 | 592 | prefix_copy(&p, &rn->p); |
d62a17ae | 593 | |
a2addae8 RW |
594 | RNODE_FOREACH_RE (rn, same) { |
595 | if (CHECK_FLAG(same->status, ROUTE_ENTRY_REMOVED)) | |
f8c175f3 | 596 | continue; |
20796bc3 | 597 | |
996c9314 | 598 | if (same->type == re->type && same->instance == re->instance |
f8c175f3 DS |
599 | && same->table == re->table |
600 | && same->type != ZEBRA_ROUTE_CONNECT) | |
601 | break; | |
602 | } | |
20796bc3 | 603 | |
e71c84ca DS |
604 | if (same) { |
605 | UNSET_FLAG(same->flags, ZEBRA_FLAG_SELECTED); | |
f8c175f3 | 606 | zebra_del_import_table_entry(rn, same); |
e71c84ca | 607 | } |
f8c175f3 | 608 | |
996c9314 | 609 | newre = XCALLOC(MTYPE_RE, sizeof(struct route_entry)); |
5c4b6e57 DS |
610 | newre->type = ZEBRA_ROUTE_TABLE; |
611 | newre->distance = zebra_import_table_distance[afi][re->table]; | |
612 | newre->flags = re->flags; | |
613 | newre->metric = re->metric; | |
614 | newre->mtu = re->mtu; | |
c447ad08 | 615 | newre->table = 0; |
5c4b6e57 | 616 | newre->nexthop_num = 0; |
98572489 | 617 | newre->uptime = monotime(NULL); |
5c4b6e57 | 618 | newre->instance = re->table; |
7ee30f28 | 619 | route_entry_copy_nexthops(newre, re->ng.nexthop); |
5c4b6e57 DS |
620 | |
621 | rib_add_multipath(afi, SAFI_UNICAST, &p, NULL, newre); | |
622 | ||
d62a17ae | 623 | return 0; |
7a4bb9c5 DS |
624 | } |
625 | ||
d62a17ae | 626 | int zebra_del_import_table_entry(struct route_node *rn, struct route_entry *re) |
7a4bb9c5 | 627 | { |
d62a17ae | 628 | struct prefix p; |
f8c175f3 | 629 | afi_t afi; |
7a4bb9c5 | 630 | |
f8c175f3 DS |
631 | afi = family2afi(rn->p.family); |
632 | prefix_copy(&p, &rn->p); | |
7a4bb9c5 | 633 | |
996c9314 | 634 | rib_delete(afi, SAFI_UNICAST, re->vrf_id, ZEBRA_ROUTE_TABLE, re->table, |
c447ad08 DS |
635 | re->flags, &p, NULL, re->ng.nexthop, 0, re->metric, |
636 | re->distance, false); | |
7a4bb9c5 | 637 | |
d62a17ae | 638 | return 0; |
7a4bb9c5 DS |
639 | } |
640 | ||
641 | /* Assuming no one calls this with the main routing table */ | |
d7c0a89a | 642 | int zebra_import_table(afi_t afi, uint32_t table_id, uint32_t distance, |
d62a17ae | 643 | const char *rmap_name, int add) |
7a4bb9c5 | 644 | { |
d62a17ae | 645 | struct route_table *table; |
646 | struct route_entry *re; | |
647 | struct route_node *rn; | |
648 | ||
649 | if (!is_zebra_valid_kernel_table(table_id) | |
c447ad08 | 650 | || (table_id == RT_TABLE_MAIN)) |
d62a17ae | 651 | return (-1); |
652 | ||
653 | if (afi >= AFI_MAX) | |
654 | return (-1); | |
655 | ||
8ab39b7f | 656 | table = zebra_vrf_table_with_table_id(afi, SAFI_UNICAST, |
7505ec52 | 657 | VRF_DEFAULT, table_id); |
d62a17ae | 658 | if (table == NULL) { |
659 | return 0; | |
660 | } else if (IS_ZEBRA_DEBUG_RIB) { | |
661 | zlog_debug("%s routes from table %d", | |
662 | add ? "Importing" : "Unimporting", table_id); | |
7a4bb9c5 DS |
663 | } |
664 | ||
d62a17ae | 665 | if (add) { |
666 | if (rmap_name) | |
667 | zebra_add_import_table_route_map(afi, rmap_name, | |
668 | table_id); | |
669 | else { | |
670 | rmap_name = | |
671 | zebra_get_import_table_route_map(afi, table_id); | |
3660beec | 672 | if (rmap_name) { |
d62a17ae | 673 | zebra_del_import_table_route_map(afi, table_id); |
3660beec DS |
674 | rmap_name = NULL; |
675 | } | |
d62a17ae | 676 | } |
7a4bb9c5 | 677 | |
d62a17ae | 678 | zebra_import_table_used[afi][table_id] = 1; |
679 | zebra_import_table_distance[afi][table_id] = distance; | |
680 | } else { | |
681 | zebra_import_table_used[afi][table_id] = 0; | |
682 | zebra_import_table_distance[afi][table_id] = | |
683 | ZEBRA_TABLE_DISTANCE_DEFAULT; | |
684 | ||
685 | rmap_name = zebra_get_import_table_route_map(afi, table_id); | |
3660beec | 686 | if (rmap_name) { |
d62a17ae | 687 | zebra_del_import_table_route_map(afi, table_id); |
3660beec DS |
688 | rmap_name = NULL; |
689 | } | |
7a4bb9c5 | 690 | } |
7a4bb9c5 | 691 | |
d62a17ae | 692 | for (rn = route_top(table); rn; rn = route_next(rn)) { |
693 | /* For each entry in the non-default routing table, | |
694 | * add the entry in the main table | |
695 | */ | |
696 | if (!rn->info) | |
697 | continue; | |
698 | ||
a2addae8 | 699 | RNODE_FOREACH_RE (rn, re) { |
d62a17ae | 700 | if (CHECK_FLAG(re->status, ROUTE_ENTRY_REMOVED)) |
701 | continue; | |
702 | break; | |
7a4bb9c5 | 703 | } |
8902474b | 704 | |
d62a17ae | 705 | if (!re) |
706 | continue; | |
8902474b | 707 | |
d62a17ae | 708 | if (((afi == AFI_IP) && (rn->p.family == AF_INET)) |
709 | || ((afi == AFI_IP6) && (rn->p.family == AF_INET6))) { | |
710 | if (add) | |
711 | zebra_add_import_table_entry(rn, re, rmap_name); | |
712 | else | |
713 | zebra_del_import_table_entry(rn, re); | |
714 | } | |
715 | } | |
716 | return 0; | |
717 | } | |
718 | ||
719 | int zebra_import_table_config(struct vty *vty) | |
720 | { | |
721 | int i; | |
722 | afi_t afi; | |
723 | int write = 0; | |
724 | char afi_str[AFI_MAX][10] = {"", "ip", "ipv6", "ethernet"}; | |
725 | const char *rmap_name; | |
726 | ||
727 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
728 | for (i = 1; i < ZEBRA_KERNEL_TABLE_MAX; i++) { | |
20796bc3 DS |
729 | if (!is_zebra_import_table_enabled(afi, i)) |
730 | continue; | |
d62a17ae | 731 | |
20796bc3 DS |
732 | if (zebra_import_table_distance[afi][i] |
733 | != ZEBRA_TABLE_DISTANCE_DEFAULT) { | |
996c9314 | 734 | vty_out(vty, "%s import-table %d distance %d", |
20796bc3 DS |
735 | afi_str[afi], i, |
736 | zebra_import_table_distance[afi][i]); | |
737 | } else { | |
996c9314 LB |
738 | vty_out(vty, "%s import-table %d", afi_str[afi], |
739 | i); | |
d62a17ae | 740 | } |
20796bc3 DS |
741 | |
742 | rmap_name = zebra_get_import_table_route_map(afi, i); | |
743 | if (rmap_name) | |
996c9314 | 744 | vty_out(vty, " route-map %s", rmap_name); |
20796bc3 DS |
745 | |
746 | vty_out(vty, "\n"); | |
747 | write = 1; | |
d62a17ae | 748 | } |
7a4bb9c5 | 749 | } |
7a4bb9c5 | 750 | |
d62a17ae | 751 | return write; |
7a4bb9c5 | 752 | } |
8902474b | 753 | |
d5b8c216 | 754 | void zebra_import_table_rm_update(const char *rmap) |
8902474b | 755 | { |
d62a17ae | 756 | afi_t afi; |
757 | int i; | |
758 | struct route_table *table; | |
759 | struct route_entry *re; | |
760 | struct route_node *rn; | |
761 | const char *rmap_name; | |
762 | ||
763 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
764 | for (i = 1; i < ZEBRA_KERNEL_TABLE_MAX; i++) { | |
20796bc3 DS |
765 | if (!is_zebra_import_table_enabled(afi, i)) |
766 | continue; | |
d62a17ae | 767 | |
20796bc3 | 768 | rmap_name = zebra_get_import_table_route_map(afi, i); |
d5b8c216 | 769 | if ((!rmap_name) || (strcmp(rmap_name, rmap) != 0)) |
770 | continue; | |
8ab39b7f | 771 | table = zebra_vrf_table_with_table_id(afi, SAFI_UNICAST, |
7505ec52 | 772 | VRF_DEFAULT, i); |
2c7ef20d SW |
773 | if (!table) { |
774 | if (IS_ZEBRA_DEBUG_RIB_DETAILED) | |
775 | zlog_debug("%s: Table id=%d not found", | |
776 | __func__, i); | |
777 | continue; | |
778 | } | |
779 | ||
996c9314 | 780 | for (rn = route_top(table); rn; rn = route_next(rn)) { |
20796bc3 DS |
781 | /* For each entry in the non-default |
782 | * routing table, | |
783 | * add the entry in the main table | |
784 | */ | |
785 | if (!rn->info) | |
786 | continue; | |
d62a17ae | 787 | |
a2addae8 RW |
788 | RNODE_FOREACH_RE (rn, re) { |
789 | if (CHECK_FLAG(re->status, | |
790 | ROUTE_ENTRY_REMOVED)) | |
d62a17ae | 791 | continue; |
20796bc3 | 792 | break; |
d62a17ae | 793 | } |
20796bc3 DS |
794 | |
795 | if (!re) | |
796 | continue; | |
797 | ||
798 | if (((afi == AFI_IP) | |
799 | && (rn->p.family == AF_INET)) | |
800 | || ((afi == AFI_IP6) | |
801 | && (rn->p.family == AF_INET6))) | |
996c9314 LB |
802 | zebra_add_import_table_entry(rn, re, |
803 | rmap_name); | |
d62a17ae | 804 | } |
805 | } | |
8902474b | 806 | } |
8902474b | 807 | |
d62a17ae | 808 | return; |
8902474b | 809 | } |
16f1b9ee OD |
810 | |
811 | /* Interface parameters update */ | |
d62a17ae | 812 | void zebra_interface_parameters_update(struct interface *ifp) |
16f1b9ee | 813 | { |
d62a17ae | 814 | struct listnode *node, *nnode; |
815 | struct zserv *client; | |
16f1b9ee | 816 | |
d62a17ae | 817 | if (IS_ZEBRA_DEBUG_EVENT) |
38bbad1b | 818 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_LINK_PARAMS %s(%u)", |
a36898e7 | 819 | ifp->name, ifp->vrf_id); |
16f1b9ee | 820 | |
161e9ab7 | 821 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
a8a20c4e | 822 | zsend_interface_link_params(client, ifp); |
16f1b9ee | 823 | } |