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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" | |
36 | #include "zebra/zserv.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" |
4a1ab8e4 | 43 | #include "zebra/zebra_memory.h" |
1a98c087 | 44 | #include "zebra/zebra_vxlan.h" |
718e3744 | 45 | |
244c1cdc DS |
46 | #define ZEBRA_PTM_SUPPORT |
47 | ||
7a4bb9c5 DS |
48 | /* array holding redistribute info about table redistribution */ |
49 | /* bit AFI is set if that AFI is redistributing routes from this table */ | |
032bfaaf | 50 | static int zebra_import_table_used[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX]; |
7a4bb9c5 DS |
51 | static u_int32_t zebra_import_table_distance[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX]; |
52 | ||
d62a17ae | 53 | int is_zebra_import_table_enabled(afi_t afi, u_int32_t table_id) |
7a4bb9c5 | 54 | { |
1e9f448f DS |
55 | /* |
56 | * Make sure that what we are called with actualy makes sense | |
57 | */ | |
58 | if (afi == AFI_MAX) | |
59 | return 0; | |
60 | ||
d62a17ae | 61 | if (is_zebra_valid_kernel_table(table_id)) |
62 | return zebra_import_table_used[afi][table_id]; | |
63 | return 0; | |
7a4bb9c5 DS |
64 | } |
65 | ||
d62a17ae | 66 | static void zebra_redistribute_default(struct zserv *client, vrf_id_t vrf_id) |
718e3744 | 67 | { |
d62a17ae | 68 | int afi; |
69 | struct prefix p; | |
70 | struct route_table *table; | |
71 | struct route_node *rn; | |
72 | struct route_entry *newre; | |
73 | ||
74 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
75 | /* Lookup table. */ | |
76 | table = zebra_vrf_table(afi, SAFI_UNICAST, vrf_id); | |
77 | if (!table) | |
78 | continue; | |
79 | ||
80 | /* Lookup default route. */ | |
81 | memset(&p, 0, sizeof(p)); | |
82 | p.family = afi2family(afi); | |
83 | rn = route_node_lookup(table, &p); | |
84 | if (!rn) | |
85 | continue; | |
86 | ||
a2addae8 | 87 | RNODE_FOREACH_RE (rn, newre) { |
407c87a6 DS |
88 | if (CHECK_FLAG(newre->flags, ZEBRA_FLAG_SELECTED) |
89 | && newre->distance != DISTANCE_INFINITY) | |
90 | zsend_redistribute_route( | |
a2addae8 RW |
91 | ZEBRA_REDISTRIBUTE_ROUTE_ADD, client, |
92 | &rn->p, NULL, newre); | |
407c87a6 | 93 | } |
d62a17ae | 94 | |
95 | route_unlock_node(rn); | |
96 | } | |
718e3744 | 97 | } |
98 | ||
99 | /* Redistribute routes. */ | |
d62a17ae | 100 | static void zebra_redistribute(struct zserv *client, int type, u_short instance, |
101 | vrf_id_t vrf_id, int afi) | |
718e3744 | 102 | { |
d62a17ae | 103 | struct route_entry *newre; |
104 | struct route_table *table; | |
105 | struct route_node *rn; | |
106 | ||
107 | table = zebra_vrf_table(afi, SAFI_UNICAST, vrf_id); | |
108 | if (!table) | |
109 | return; | |
110 | ||
f0c4b8e1 | 111 | for (rn = route_top(table); rn; rn = srcdest_route_next(rn)) |
a2addae8 | 112 | RNODE_FOREACH_RE (rn, newre) { |
d62a17ae | 113 | struct prefix *dst_p, *src_p; |
114 | srcdest_rnode_prefixes(rn, &dst_p, &src_p); | |
115 | ||
116 | if (IS_ZEBRA_DEBUG_EVENT) | |
117 | zlog_debug( | |
118 | "%s: checking: selected=%d, type=%d, distance=%d, " | |
119 | "zebra_check_addr=%d", | |
120 | __func__, | |
121 | CHECK_FLAG(newre->flags, | |
122 | ZEBRA_FLAG_SELECTED), | |
123 | newre->type, newre->distance, | |
124 | zebra_check_addr(dst_p)); | |
125 | ||
126 | if (!CHECK_FLAG(newre->flags, ZEBRA_FLAG_SELECTED)) | |
127 | continue; | |
128 | if ((type != ZEBRA_ROUTE_ALL | |
129 | && (newre->type != type | |
130 | || newre->instance != instance))) | |
131 | continue; | |
132 | if (newre->distance == DISTANCE_INFINITY) | |
133 | continue; | |
134 | if (!zebra_check_addr(dst_p)) | |
135 | continue; | |
136 | ||
74489921 RW |
137 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_ADD, |
138 | client, dst_p, src_p, newre); | |
d62a17ae | 139 | } |
718e3744 | 140 | } |
141 | ||
c41fc67b | 142 | /* Either advertise a route for redistribution to registered clients or */ |
143 | /* withdraw redistribution if add cannot be done for client */ | |
d62a17ae | 144 | void redistribute_update(struct prefix *p, struct prefix *src_p, |
145 | struct route_entry *re, struct route_entry *prev_re) | |
718e3744 | 146 | { |
d62a17ae | 147 | struct listnode *node, *nnode; |
148 | struct zserv *client; | |
149 | int send_redistribute; | |
150 | int afi; | |
151 | char buf[INET6_ADDRSTRLEN]; | |
152 | ||
153 | if (IS_ZEBRA_DEBUG_RIB) { | |
154 | inet_ntop(p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN); | |
155 | zlog_debug( | |
156 | "%u:%s/%d: Redist update re %p (type %d), old %p (type %d)", | |
157 | re->vrf_id, buf, p->prefixlen, re, re->type, prev_re, | |
158 | prev_re ? prev_re->type : -1); | |
159 | } | |
160 | ||
161 | afi = family2afi(p->family); | |
162 | if (!afi) { | |
163 | zlog_warn("%s: Unknown AFI/SAFI prefix received\n", | |
164 | __FUNCTION__); | |
165 | return; | |
c41fc67b | 166 | } |
d62a17ae | 167 | |
168 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { | |
169 | send_redistribute = 0; | |
170 | ||
f229873a | 171 | if (is_default_prefix(p) |
d62a17ae | 172 | && vrf_bitmap_check(client->redist_default, re->vrf_id)) |
173 | send_redistribute = 1; | |
174 | else if (vrf_bitmap_check(client->redist[afi][ZEBRA_ROUTE_ALL], | |
175 | re->vrf_id)) | |
176 | send_redistribute = 1; | |
177 | else if (re->instance | |
178 | && redist_check_instance( | |
179 | &client->mi_redist[afi][re->type], | |
180 | re->instance)) | |
181 | send_redistribute = 1; | |
182 | else if (vrf_bitmap_check(client->redist[afi][re->type], | |
183 | re->vrf_id)) | |
184 | send_redistribute = 1; | |
185 | ||
186 | if (send_redistribute) { | |
74489921 RW |
187 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_ADD, |
188 | client, p, src_p, re); | |
d62a17ae | 189 | } else if (prev_re |
190 | && ((re->instance | |
191 | && redist_check_instance( | |
192 | &client->mi_redist[afi] | |
193 | [prev_re->type], | |
194 | re->instance)) | |
195 | || vrf_bitmap_check( | |
196 | client->redist[afi][prev_re->type], | |
197 | re->vrf_id))) { | |
74489921 RW |
198 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_DEL, |
199 | client, p, src_p, prev_re); | |
d62a17ae | 200 | } |
c41fc67b | 201 | } |
718e3744 | 202 | } |
203 | ||
d62a17ae | 204 | void redistribute_delete(struct prefix *p, struct prefix *src_p, |
205 | struct route_entry *re) | |
718e3744 | 206 | { |
d62a17ae | 207 | struct listnode *node, *nnode; |
208 | struct zserv *client; | |
209 | char buf[INET6_ADDRSTRLEN]; | |
210 | int afi; | |
211 | ||
212 | if (IS_ZEBRA_DEBUG_RIB) { | |
213 | inet_ntop(p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN); | |
214 | zlog_debug("%u:%s/%d: Redist delete re %p (type %d)", | |
215 | re->vrf_id, buf, p->prefixlen, re, re->type); | |
216 | } | |
217 | ||
218 | /* Add DISTANCE_INFINITY check. */ | |
219 | if (re->distance == DISTANCE_INFINITY) | |
220 | return; | |
221 | ||
222 | afi = family2afi(p->family); | |
223 | if (!afi) { | |
224 | zlog_warn("%s: Unknown AFI/SAFI prefix received\n", | |
225 | __FUNCTION__); | |
226 | return; | |
227 | } | |
228 | ||
229 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { | |
f229873a | 230 | if ((is_default_prefix(p) |
d62a17ae | 231 | && vrf_bitmap_check(client->redist_default, re->vrf_id)) |
232 | || vrf_bitmap_check(client->redist[afi][ZEBRA_ROUTE_ALL], | |
233 | re->vrf_id) | |
234 | || (re->instance | |
235 | && redist_check_instance( | |
236 | &client->mi_redist[afi][re->type], | |
237 | re->instance)) | |
238 | || vrf_bitmap_check(client->redist[afi][re->type], | |
239 | re->vrf_id)) { | |
74489921 RW |
240 | zsend_redistribute_route(ZEBRA_REDISTRIBUTE_ROUTE_DEL, |
241 | client, p, src_p, re); | |
d62a17ae | 242 | } |
1eb8ef25 | 243 | } |
718e3744 | 244 | } |
245 | ||
89f4e507 | 246 | void zebra_redistribute_add(ZAPI_HANDLER_ARGS) |
718e3744 | 247 | { |
ec93aa12 DS |
248 | afi_t afi = 0; |
249 | int type = 0; | |
d62a17ae | 250 | u_short instance; |
251 | ||
1002497a QY |
252 | STREAM_GETC(msg, afi); |
253 | STREAM_GETC(msg, type); | |
254 | STREAM_GETW(msg, instance); | |
d62a17ae | 255 | |
ec93aa12 DS |
256 | if (afi == 0 || afi > AFI_MAX) { |
257 | zlog_warn("%s: Specified afi %d does not exist", | |
258 | __PRETTY_FUNCTION__, afi); | |
d62a17ae | 259 | return; |
ec93aa12 DS |
260 | } |
261 | ||
262 | if (type == 0 || type >= ZEBRA_ROUTE_MAX) { | |
263 | zlog_warn("%s: Specified Route Type %d does not exist", | |
264 | __PRETTY_FUNCTION__, type); | |
265 | return; | |
266 | } | |
d62a17ae | 267 | |
268 | if (instance) { | |
269 | if (!redist_check_instance(&client->mi_redist[afi][type], | |
270 | instance)) { | |
271 | redist_add_instance(&client->mi_redist[afi][type], | |
272 | instance); | |
273 | zebra_redistribute(client, type, instance, | |
274 | zvrf_id(zvrf), afi); | |
275 | } | |
276 | } else { | |
277 | if (!vrf_bitmap_check(client->redist[afi][type], | |
278 | zvrf_id(zvrf))) { | |
279 | vrf_bitmap_set(client->redist[afi][type], | |
280 | zvrf_id(zvrf)); | |
281 | zebra_redistribute(client, type, 0, zvrf_id(zvrf), afi); | |
282 | } | |
4e1cadf0 | 283 | } |
ec93aa12 DS |
284 | |
285 | stream_failure: | |
286 | return; | |
ebf08631 | 287 | } |
718e3744 | 288 | |
89f4e507 | 289 | void zebra_redistribute_delete(ZAPI_HANDLER_ARGS) |
718e3744 | 290 | { |
ec93aa12 DS |
291 | afi_t afi = 0; |
292 | int type = 0; | |
d62a17ae | 293 | u_short instance; |
294 | ||
1002497a QY |
295 | STREAM_GETC(msg, afi); |
296 | STREAM_GETC(msg, type); | |
297 | STREAM_GETW(msg, instance); | |
d62a17ae | 298 | |
ec93aa12 DS |
299 | if (afi == 0 || afi > AFI_MAX) { |
300 | zlog_warn("%s: Specified afi %d does not exist", | |
301 | __PRETTY_FUNCTION__, afi); | |
d62a17ae | 302 | return; |
ec93aa12 DS |
303 | } |
304 | ||
305 | if (type == 0 || type >= ZEBRA_ROUTE_MAX) { | |
306 | zlog_warn("%s: Specified Route Type %d does not exist", | |
307 | __PRETTY_FUNCTION__, type); | |
308 | return; | |
309 | } | |
d62a17ae | 310 | |
311 | /* | |
312 | * NOTE: no need to withdraw the previously advertised routes. The | |
313 | * clients | |
314 | * themselves should keep track of the received routes from zebra and | |
315 | * withdraw them when necessary. | |
316 | */ | |
317 | if (instance) | |
318 | redist_del_instance(&client->mi_redist[afi][type], instance); | |
319 | else | |
320 | vrf_bitmap_unset(client->redist[afi][type], zvrf_id(zvrf)); | |
ec93aa12 DS |
321 | |
322 | stream_failure: | |
323 | return; | |
ebf08631 | 324 | } |
718e3744 | 325 | |
89f4e507 | 326 | void zebra_redistribute_default_add(ZAPI_HANDLER_ARGS) |
718e3744 | 327 | { |
d62a17ae | 328 | vrf_bitmap_set(client->redist_default, zvrf_id(zvrf)); |
329 | zebra_redistribute_default(client, zvrf_id(zvrf)); | |
330 | } | |
718e3744 | 331 | |
89f4e507 | 332 | void zebra_redistribute_default_delete(ZAPI_HANDLER_ARGS) |
718e3744 | 333 | { |
d62a17ae | 334 | vrf_bitmap_unset(client->redist_default, zvrf_id(zvrf)); |
335 | } | |
718e3744 | 336 | |
337 | /* Interface up information. */ | |
d62a17ae | 338 | void zebra_interface_up_update(struct interface *ifp) |
718e3744 | 339 | { |
d62a17ae | 340 | struct listnode *node, *nnode; |
341 | struct zserv *client; | |
342 | ||
343 | if (IS_ZEBRA_DEBUG_EVENT) | |
344 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_UP %s", ifp->name); | |
345 | ||
346 | if (ifp->ptm_status || !ifp->ptm_enable) { | |
347 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) | |
348 | if (client->ifinfo) { | |
349 | zsend_interface_update(ZEBRA_INTERFACE_UP, | |
350 | client, ifp); | |
351 | zsend_interface_link_params(client, ifp); | |
352 | } | |
16f1b9ee | 353 | } |
718e3744 | 354 | } |
355 | ||
356 | /* Interface down information. */ | |
d62a17ae | 357 | void zebra_interface_down_update(struct interface *ifp) |
718e3744 | 358 | { |
d62a17ae | 359 | struct listnode *node, *nnode; |
360 | struct zserv *client; | |
718e3744 | 361 | |
d62a17ae | 362 | if (IS_ZEBRA_DEBUG_EVENT) |
363 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_DOWN %s", ifp->name); | |
718e3744 | 364 | |
d62a17ae | 365 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { |
366 | zsend_interface_update(ZEBRA_INTERFACE_DOWN, client, ifp); | |
367 | } | |
718e3744 | 368 | } |
369 | ||
370 | /* Interface information update. */ | |
d62a17ae | 371 | void zebra_interface_add_update(struct interface *ifp) |
718e3744 | 372 | { |
d62a17ae | 373 | struct listnode *node, *nnode; |
374 | struct zserv *client; | |
375 | ||
376 | if (IS_ZEBRA_DEBUG_EVENT) | |
377 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADD %s[%d]", ifp->name, | |
378 | ifp->vrf_id); | |
379 | ||
380 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) | |
381 | if (client->ifinfo) { | |
382 | client->ifadd_cnt++; | |
383 | zsend_interface_add(client, ifp); | |
384 | zsend_interface_link_params(client, ifp); | |
385 | } | |
718e3744 | 386 | } |
387 | ||
d62a17ae | 388 | void zebra_interface_delete_update(struct interface *ifp) |
718e3744 | 389 | { |
d62a17ae | 390 | struct listnode *node, *nnode; |
391 | struct zserv *client; | |
718e3744 | 392 | |
d62a17ae | 393 | if (IS_ZEBRA_DEBUG_EVENT) |
394 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_DELETE %s", ifp->name); | |
718e3744 | 395 | |
d62a17ae | 396 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { |
397 | client->ifdel_cnt++; | |
398 | zsend_interface_delete(client, ifp); | |
399 | } | |
718e3744 | 400 | } |
401 | ||
402 | /* Interface address addition. */ | |
d62a17ae | 403 | void zebra_interface_address_add_update(struct interface *ifp, |
404 | struct connected *ifc) | |
718e3744 | 405 | { |
d62a17ae | 406 | struct listnode *node, *nnode; |
407 | struct zserv *client; | |
408 | struct prefix *p; | |
409 | ||
410 | if (IS_ZEBRA_DEBUG_EVENT) { | |
411 | char buf[PREFIX_STRLEN]; | |
412 | ||
413 | p = ifc->address; | |
414 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADDRESS_ADD %s on %s", | |
415 | prefix2str(p, buf, sizeof(buf)), ifc->ifp->name); | |
416 | } | |
417 | ||
418 | if (!CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) | |
419 | zlog_warn( | |
420 | "WARNING: advertising address to clients that is not yet usable."); | |
421 | ||
1a98c087 MK |
422 | zebra_vxlan_add_del_gw_macip(ifp, ifc->address, 1); |
423 | ||
d62a17ae | 424 | router_id_add_address(ifc); |
425 | ||
426 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) | |
427 | if (CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) { | |
428 | client->connected_rt_add_cnt++; | |
429 | zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, | |
430 | client, ifp, ifc); | |
431 | } | |
718e3744 | 432 | } |
433 | ||
434 | /* Interface address deletion. */ | |
d62a17ae | 435 | void zebra_interface_address_delete_update(struct interface *ifp, |
436 | struct connected *ifc) | |
718e3744 | 437 | { |
d62a17ae | 438 | struct listnode *node, *nnode; |
439 | struct zserv *client; | |
440 | struct prefix *p; | |
441 | ||
442 | if (IS_ZEBRA_DEBUG_EVENT) { | |
443 | char buf[PREFIX_STRLEN]; | |
444 | ||
445 | p = ifc->address; | |
446 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_ADDRESS_DELETE %s on %s", | |
447 | prefix2str(p, buf, sizeof(buf)), ifc->ifp->name); | |
448 | } | |
449 | ||
1a98c087 MK |
450 | zebra_vxlan_add_del_gw_macip(ifp, ifc->address, 0); |
451 | ||
d62a17ae | 452 | router_id_del_address(ifc); |
453 | ||
454 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) | |
455 | if (CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL)) { | |
456 | client->connected_rt_del_cnt++; | |
457 | zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
458 | client, ifp, ifc); | |
459 | } | |
718e3744 | 460 | } |
d5a5c8f0 | 461 | |
c8e264b6 | 462 | /* Interface VRF change. May need to delete from clients not interested in |
463 | * the new VRF. Note that this function is invoked *prior* to the VRF change. | |
464 | */ | |
d62a17ae | 465 | void zebra_interface_vrf_update_del(struct interface *ifp, vrf_id_t new_vrf_id) |
c8e264b6 | 466 | { |
d62a17ae | 467 | struct listnode *node, *nnode; |
468 | struct zserv *client; | |
469 | ||
470 | if (IS_ZEBRA_DEBUG_EVENT) | |
471 | zlog_debug( | |
472 | "MESSAGE: ZEBRA_INTERFACE_VRF_UPDATE/DEL %s VRF Id %u -> %u", | |
473 | ifp->name, ifp->vrf_id, new_vrf_id); | |
474 | ||
475 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { | |
476 | /* Need to delete if the client is not interested in the new | |
477 | * VRF. */ | |
478 | zsend_interface_update(ZEBRA_INTERFACE_DOWN, client, ifp); | |
479 | client->ifdel_cnt++; | |
480 | zsend_interface_delete(client, ifp); | |
481 | zsend_interface_vrf_update(client, ifp, new_vrf_id); | |
482 | } | |
c8e264b6 | 483 | } |
484 | ||
485 | /* Interface VRF change. This function is invoked *post* VRF change and sends an | |
486 | * add to clients who are interested in the new VRF but not in the old VRF. | |
487 | */ | |
d62a17ae | 488 | void zebra_interface_vrf_update_add(struct interface *ifp, vrf_id_t old_vrf_id) |
c8e264b6 | 489 | { |
d62a17ae | 490 | struct listnode *node, *nnode; |
491 | struct zserv *client; | |
492 | ||
493 | if (IS_ZEBRA_DEBUG_EVENT) | |
494 | zlog_debug( | |
495 | "MESSAGE: ZEBRA_INTERFACE_VRF_UPDATE/ADD %s VRF Id %u -> %u", | |
496 | ifp->name, old_vrf_id, ifp->vrf_id); | |
497 | ||
498 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) { | |
499 | /* Need to add if the client is interested in the new VRF. */ | |
500 | client->ifadd_cnt++; | |
501 | zsend_interface_add(client, ifp); | |
502 | zsend_interface_addresses(client, ifp); | |
503 | } | |
c8e264b6 | 504 | } |
505 | ||
d62a17ae | 506 | int zebra_add_import_table_entry(struct route_node *rn, struct route_entry *re, |
507 | const char *rmap_name) | |
7a4bb9c5 | 508 | { |
d62a17ae | 509 | struct route_entry *newre; |
510 | struct route_entry *same; | |
511 | struct prefix p; | |
d62a17ae | 512 | route_map_result_t ret = RMAP_MATCH; |
f8c175f3 | 513 | afi_t afi; |
d62a17ae | 514 | |
f8c175f3 | 515 | afi = family2afi(rn->p.family); |
d62a17ae | 516 | if (rmap_name) |
517 | ret = zebra_import_table_route_map_check( | |
7ee30f28 DS |
518 | afi, re->type, &rn->p, re->ng.nexthop, re->vrf_id, |
519 | re->tag, rmap_name); | |
d62a17ae | 520 | |
20796bc3 DS |
521 | if (ret != RMAP_MATCH) { |
522 | zebra_del_import_table_entry(rn, re); | |
523 | return 0; | |
524 | } | |
d62a17ae | 525 | |
f8c175f3 | 526 | prefix_copy(&p, &rn->p); |
d62a17ae | 527 | |
a2addae8 RW |
528 | RNODE_FOREACH_RE (rn, same) { |
529 | if (CHECK_FLAG(same->status, ROUTE_ENTRY_REMOVED)) | |
f8c175f3 | 530 | continue; |
20796bc3 | 531 | |
996c9314 | 532 | if (same->type == re->type && same->instance == re->instance |
f8c175f3 DS |
533 | && same->table == re->table |
534 | && same->type != ZEBRA_ROUTE_CONNECT) | |
535 | break; | |
536 | } | |
20796bc3 | 537 | |
f8c175f3 DS |
538 | if (same) |
539 | zebra_del_import_table_entry(rn, same); | |
540 | ||
996c9314 | 541 | newre = XCALLOC(MTYPE_RE, sizeof(struct route_entry)); |
5c4b6e57 DS |
542 | newre->type = ZEBRA_ROUTE_TABLE; |
543 | newre->distance = zebra_import_table_distance[afi][re->table]; | |
544 | newre->flags = re->flags; | |
545 | newre->metric = re->metric; | |
546 | newre->mtu = re->mtu; | |
547 | newre->table = zebrad.rtm_table_default; | |
548 | newre->nexthop_num = 0; | |
549 | newre->uptime = time(NULL); | |
550 | newre->instance = re->table; | |
7ee30f28 | 551 | route_entry_copy_nexthops(newre, re->ng.nexthop); |
5c4b6e57 DS |
552 | |
553 | rib_add_multipath(afi, SAFI_UNICAST, &p, NULL, newre); | |
554 | ||
d62a17ae | 555 | return 0; |
7a4bb9c5 DS |
556 | } |
557 | ||
d62a17ae | 558 | int zebra_del_import_table_entry(struct route_node *rn, struct route_entry *re) |
7a4bb9c5 | 559 | { |
d62a17ae | 560 | struct prefix p; |
f8c175f3 | 561 | afi_t afi; |
7a4bb9c5 | 562 | |
f8c175f3 DS |
563 | afi = family2afi(rn->p.family); |
564 | prefix_copy(&p, &rn->p); | |
7a4bb9c5 | 565 | |
996c9314 | 566 | rib_delete(afi, SAFI_UNICAST, re->vrf_id, ZEBRA_ROUTE_TABLE, re->table, |
7ee30f28 DS |
567 | re->flags, &p, NULL, re->ng.nexthop, |
568 | zebrad.rtm_table_default, re->metric, false, NULL); | |
7a4bb9c5 | 569 | |
d62a17ae | 570 | return 0; |
7a4bb9c5 DS |
571 | } |
572 | ||
573 | /* Assuming no one calls this with the main routing table */ | |
d62a17ae | 574 | int zebra_import_table(afi_t afi, u_int32_t table_id, u_int32_t distance, |
575 | const char *rmap_name, int add) | |
7a4bb9c5 | 576 | { |
d62a17ae | 577 | struct route_table *table; |
578 | struct route_entry *re; | |
579 | struct route_node *rn; | |
580 | ||
581 | if (!is_zebra_valid_kernel_table(table_id) | |
582 | || ((table_id == RT_TABLE_MAIN) | |
583 | || (table_id == zebrad.rtm_table_default))) | |
584 | return (-1); | |
585 | ||
586 | if (afi >= AFI_MAX) | |
587 | return (-1); | |
588 | ||
589 | table = zebra_vrf_other_route_table(afi, table_id, VRF_DEFAULT); | |
590 | if (table == NULL) { | |
591 | return 0; | |
592 | } else if (IS_ZEBRA_DEBUG_RIB) { | |
593 | zlog_debug("%s routes from table %d", | |
594 | add ? "Importing" : "Unimporting", table_id); | |
7a4bb9c5 DS |
595 | } |
596 | ||
d62a17ae | 597 | if (add) { |
598 | if (rmap_name) | |
599 | zebra_add_import_table_route_map(afi, rmap_name, | |
600 | table_id); | |
601 | else { | |
602 | rmap_name = | |
603 | zebra_get_import_table_route_map(afi, table_id); | |
604 | if (rmap_name) | |
605 | zebra_del_import_table_route_map(afi, table_id); | |
606 | } | |
7a4bb9c5 | 607 | |
d62a17ae | 608 | zebra_import_table_used[afi][table_id] = 1; |
609 | zebra_import_table_distance[afi][table_id] = distance; | |
610 | } else { | |
611 | zebra_import_table_used[afi][table_id] = 0; | |
612 | zebra_import_table_distance[afi][table_id] = | |
613 | ZEBRA_TABLE_DISTANCE_DEFAULT; | |
614 | ||
615 | rmap_name = zebra_get_import_table_route_map(afi, table_id); | |
616 | if (rmap_name) | |
617 | zebra_del_import_table_route_map(afi, table_id); | |
7a4bb9c5 | 618 | } |
7a4bb9c5 | 619 | |
d62a17ae | 620 | for (rn = route_top(table); rn; rn = route_next(rn)) { |
621 | /* For each entry in the non-default routing table, | |
622 | * add the entry in the main table | |
623 | */ | |
624 | if (!rn->info) | |
625 | continue; | |
626 | ||
a2addae8 | 627 | RNODE_FOREACH_RE (rn, re) { |
d62a17ae | 628 | if (CHECK_FLAG(re->status, ROUTE_ENTRY_REMOVED)) |
629 | continue; | |
630 | break; | |
7a4bb9c5 | 631 | } |
8902474b | 632 | |
d62a17ae | 633 | if (!re) |
634 | continue; | |
8902474b | 635 | |
d62a17ae | 636 | if (((afi == AFI_IP) && (rn->p.family == AF_INET)) |
637 | || ((afi == AFI_IP6) && (rn->p.family == AF_INET6))) { | |
638 | if (add) | |
639 | zebra_add_import_table_entry(rn, re, rmap_name); | |
640 | else | |
641 | zebra_del_import_table_entry(rn, re); | |
642 | } | |
643 | } | |
644 | return 0; | |
645 | } | |
646 | ||
647 | int zebra_import_table_config(struct vty *vty) | |
648 | { | |
649 | int i; | |
650 | afi_t afi; | |
651 | int write = 0; | |
652 | char afi_str[AFI_MAX][10] = {"", "ip", "ipv6", "ethernet"}; | |
653 | const char *rmap_name; | |
654 | ||
655 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
656 | for (i = 1; i < ZEBRA_KERNEL_TABLE_MAX; i++) { | |
20796bc3 DS |
657 | if (!is_zebra_import_table_enabled(afi, i)) |
658 | continue; | |
d62a17ae | 659 | |
20796bc3 DS |
660 | if (zebra_import_table_distance[afi][i] |
661 | != ZEBRA_TABLE_DISTANCE_DEFAULT) { | |
996c9314 | 662 | vty_out(vty, "%s import-table %d distance %d", |
20796bc3 DS |
663 | afi_str[afi], i, |
664 | zebra_import_table_distance[afi][i]); | |
665 | } else { | |
996c9314 LB |
666 | vty_out(vty, "%s import-table %d", afi_str[afi], |
667 | i); | |
d62a17ae | 668 | } |
20796bc3 DS |
669 | |
670 | rmap_name = zebra_get_import_table_route_map(afi, i); | |
671 | if (rmap_name) | |
996c9314 | 672 | vty_out(vty, " route-map %s", rmap_name); |
20796bc3 DS |
673 | |
674 | vty_out(vty, "\n"); | |
675 | write = 1; | |
d62a17ae | 676 | } |
7a4bb9c5 | 677 | } |
7a4bb9c5 | 678 | |
d62a17ae | 679 | return write; |
7a4bb9c5 | 680 | } |
8902474b | 681 | |
d62a17ae | 682 | void zebra_import_table_rm_update() |
8902474b | 683 | { |
d62a17ae | 684 | afi_t afi; |
685 | int i; | |
686 | struct route_table *table; | |
687 | struct route_entry *re; | |
688 | struct route_node *rn; | |
689 | const char *rmap_name; | |
690 | ||
691 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
692 | for (i = 1; i < ZEBRA_KERNEL_TABLE_MAX; i++) { | |
20796bc3 DS |
693 | if (!is_zebra_import_table_enabled(afi, i)) |
694 | continue; | |
d62a17ae | 695 | |
20796bc3 DS |
696 | rmap_name = zebra_get_import_table_route_map(afi, i); |
697 | if (!rmap_name) | |
698 | return; | |
699 | ||
996c9314 | 700 | table = zebra_vrf_other_route_table(afi, i, |
20796bc3 | 701 | VRF_DEFAULT); |
996c9314 | 702 | for (rn = route_top(table); rn; rn = route_next(rn)) { |
20796bc3 DS |
703 | /* For each entry in the non-default |
704 | * routing table, | |
705 | * add the entry in the main table | |
706 | */ | |
707 | if (!rn->info) | |
708 | continue; | |
d62a17ae | 709 | |
a2addae8 RW |
710 | RNODE_FOREACH_RE (rn, re) { |
711 | if (CHECK_FLAG(re->status, | |
712 | ROUTE_ENTRY_REMOVED)) | |
d62a17ae | 713 | continue; |
20796bc3 | 714 | break; |
d62a17ae | 715 | } |
20796bc3 DS |
716 | |
717 | if (!re) | |
718 | continue; | |
719 | ||
720 | if (((afi == AFI_IP) | |
721 | && (rn->p.family == AF_INET)) | |
722 | || ((afi == AFI_IP6) | |
723 | && (rn->p.family == AF_INET6))) | |
996c9314 LB |
724 | zebra_add_import_table_entry(rn, re, |
725 | rmap_name); | |
d62a17ae | 726 | } |
727 | } | |
8902474b | 728 | } |
8902474b | 729 | |
d62a17ae | 730 | return; |
8902474b | 731 | } |
16f1b9ee OD |
732 | |
733 | /* Interface parameters update */ | |
d62a17ae | 734 | void zebra_interface_parameters_update(struct interface *ifp) |
16f1b9ee | 735 | { |
d62a17ae | 736 | struct listnode *node, *nnode; |
737 | struct zserv *client; | |
16f1b9ee | 738 | |
d62a17ae | 739 | if (IS_ZEBRA_DEBUG_EVENT) |
740 | zlog_debug("MESSAGE: ZEBRA_INTERFACE_LINK_PARAMS %s", | |
741 | ifp->name); | |
16f1b9ee | 742 | |
d62a17ae | 743 | for (ALL_LIST_ELEMENTS(zebrad.client_list, node, nnode, client)) |
744 | if (client->ifinfo) | |
745 | zsend_interface_link_params(client, ifp); | |
16f1b9ee | 746 | } |