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7e24fdf3 | 1 | /* |
8d5cbee9 | 2 | * STATICd - route code |
7e24fdf3 DS |
3 | * Copyright (C) 2018 Cumulus Networks, Inc. |
4 | * Donald Sharp | |
5 | * | |
8d5cbee9 DS |
6 | * This program 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 Free | |
8 | * Software Foundation; either version 2 of the License, or (at your option) | |
9 | * any later version. | |
7e24fdf3 | 10 | * |
8d5cbee9 DS |
11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
7e24fdf3 DS |
15 | * |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <zebra.h> | |
21 | ||
22 | #include <lib/nexthop.h> | |
23 | #include <lib/memory.h> | |
24 | #include <lib/srcdest_table.h> | |
25 | #include <lib/if.h> | |
26 | #include <lib/vty.h> | |
27 | #include <lib/vrf.h> | |
28 | #include <lib/memory.h> | |
29 | ||
30 | #include "static_vrf.h" | |
31 | #include "static_routes.h" | |
32 | #include "static_memory.h" | |
33 | #include "static_zebra.h" | |
34 | ||
35 | /* Install static route into rib. */ | |
8bc8de2c DS |
36 | static void static_install_route(struct route_node *rn, |
37 | struct static_route *si_changed, safi_t safi) | |
7e24fdf3 DS |
38 | { |
39 | struct static_route *si; | |
40 | ||
41 | for (si = rn->info; si; si = si->next) | |
27da3044 | 42 | static_zebra_nht_register(rn, si, true); |
7e24fdf3 DS |
43 | |
44 | si = rn->info; | |
45 | if (si) | |
8bc8de2c | 46 | static_zebra_route_add(rn, si_changed, si->vrf_id, safi, true); |
7e24fdf3 DS |
47 | |
48 | } | |
49 | ||
50 | /* Uninstall static route from RIB. */ | |
51 | static void static_uninstall_route(vrf_id_t vrf_id, safi_t safi, | |
8bc8de2c DS |
52 | struct route_node *rn, |
53 | struct static_route *si_changed) | |
7e24fdf3 DS |
54 | { |
55 | ||
56 | if (rn->info) | |
8bc8de2c | 57 | static_zebra_route_add(rn, si_changed, vrf_id, safi, true); |
7e24fdf3 | 58 | else |
8bc8de2c | 59 | static_zebra_route_add(rn, si_changed, vrf_id, safi, false); |
7e24fdf3 DS |
60 | } |
61 | ||
62 | int static_add_route(afi_t afi, safi_t safi, uint8_t type, struct prefix *p, | |
63 | struct prefix_ipv6 *src_p, union g_addr *gate, | |
64 | const char *ifname, enum static_blackhole_type bh_type, | |
65 | route_tag_t tag, uint8_t distance, struct static_vrf *svrf, | |
66 | struct static_vrf *nh_svrf, | |
02dc8ba3 QY |
67 | struct static_nh_label *snh_label, uint32_t table_id, |
68 | bool onlink) | |
7e24fdf3 DS |
69 | { |
70 | struct route_node *rn; | |
71 | struct static_route *si; | |
72 | struct static_route *pp; | |
73 | struct static_route *cp; | |
74 | struct static_route *update = NULL; | |
75 | struct route_table *stable = svrf->stable[afi][safi]; | |
a6e85307 | 76 | struct interface *ifp; |
7e24fdf3 DS |
77 | |
78 | if (!stable) | |
79 | return -1; | |
80 | ||
81 | if (!gate && (type == STATIC_IPV4_GATEWAY | |
82 | || type == STATIC_IPV4_GATEWAY_IFNAME | |
83 | || type == STATIC_IPV6_GATEWAY | |
84 | || type == STATIC_IPV6_GATEWAY_IFNAME)) | |
85 | return -1; | |
86 | ||
87 | if (!ifname | |
88 | && (type == STATIC_IFNAME || type == STATIC_IPV4_GATEWAY_IFNAME | |
89 | || type == STATIC_IPV6_GATEWAY_IFNAME)) | |
90 | return -1; | |
91 | ||
92 | /* Lookup static route prefix. */ | |
93 | rn = srcdest_rnode_get(stable, p, src_p); | |
94 | ||
95 | /* Do nothing if there is a same static route. */ | |
96 | for (si = rn->info; si; si = si->next) { | |
97 | if (type == si->type | |
98 | && (!gate | |
99 | || ((afi == AFI_IP | |
100 | && IPV4_ADDR_SAME(&gate->ipv4, &si->addr.ipv4)) | |
101 | || (afi == AFI_IP6 | |
102 | && IPV6_ADDR_SAME(gate, &si->addr.ipv6)))) | |
9c0bcd0d DT |
103 | && (!strcmp(ifname ? ifname : "", si->ifname)) |
104 | && nh_svrf->vrf->vrf_id == si->nh_vrf_id) { | |
7e24fdf3 DS |
105 | if ((distance == si->distance) && (tag == si->tag) |
106 | && (table_id == si->table_id) | |
107 | && !memcmp(&si->snh_label, snh_label, | |
108 | sizeof(struct static_nh_label)) | |
02dc8ba3 | 109 | && si->bh_type == bh_type && si->onlink == onlink) { |
7e24fdf3 DS |
110 | route_unlock_node(rn); |
111 | return 0; | |
112 | } | |
113 | update = si; | |
114 | } | |
115 | } | |
116 | ||
117 | /* Distance or tag or label changed, delete existing first. */ | |
118 | if (update) | |
119 | static_delete_route(afi, safi, type, p, src_p, gate, ifname, | |
120 | update->tag, update->distance, svrf, | |
121 | &update->snh_label, table_id); | |
122 | ||
123 | /* Make new static route structure. */ | |
124 | si = XCALLOC(MTYPE_STATIC_ROUTE, sizeof(struct static_route)); | |
125 | ||
126 | si->type = type; | |
127 | si->distance = distance; | |
128 | si->bh_type = bh_type; | |
129 | si->tag = tag; | |
130 | si->vrf_id = svrf->vrf->vrf_id; | |
131 | si->nh_vrf_id = nh_svrf->vrf->vrf_id; | |
2dfe5a07 | 132 | strlcpy(si->nh_vrfname, nh_svrf->vrf->name, sizeof(si->nh_vrfname)); |
7e24fdf3 | 133 | si->table_id = table_id; |
02dc8ba3 | 134 | si->onlink = onlink; |
7e24fdf3 DS |
135 | |
136 | if (ifname) | |
137 | strlcpy(si->ifname, ifname, sizeof(si->ifname)); | |
138 | si->ifindex = IFINDEX_INTERNAL; | |
139 | ||
140 | switch (type) { | |
141 | case STATIC_IPV4_GATEWAY: | |
142 | case STATIC_IPV4_GATEWAY_IFNAME: | |
143 | si->addr.ipv4 = gate->ipv4; | |
144 | break; | |
145 | case STATIC_IPV6_GATEWAY: | |
146 | case STATIC_IPV6_GATEWAY_IFNAME: | |
147 | si->addr.ipv6 = gate->ipv6; | |
148 | break; | |
149 | case STATIC_IFNAME: | |
150 | break; | |
151 | } | |
152 | ||
153 | /* Save labels, if any. */ | |
154 | memcpy(&si->snh_label, snh_label, sizeof(struct static_nh_label)); | |
155 | ||
156 | /* | |
157 | * Add new static route information to the tree with sort by | |
158 | * distance value and gateway address. | |
159 | */ | |
160 | for (pp = NULL, cp = rn->info; cp; pp = cp, cp = cp->next) { | |
161 | if (si->distance < cp->distance) | |
162 | break; | |
163 | if (si->distance > cp->distance) | |
164 | continue; | |
165 | if (si->type == STATIC_IPV4_GATEWAY | |
166 | && cp->type == STATIC_IPV4_GATEWAY) { | |
167 | if (ntohl(si->addr.ipv4.s_addr) | |
168 | < ntohl(cp->addr.ipv4.s_addr)) | |
169 | break; | |
170 | if (ntohl(si->addr.ipv4.s_addr) | |
171 | > ntohl(cp->addr.ipv4.s_addr)) | |
172 | continue; | |
173 | } | |
174 | } | |
175 | ||
176 | /* Make linked list. */ | |
177 | if (pp) | |
178 | pp->next = si; | |
179 | else | |
180 | rn->info = si; | |
181 | if (cp) | |
182 | cp->prev = si; | |
183 | si->prev = pp; | |
184 | si->next = cp; | |
185 | ||
186 | /* check whether interface exists in system & install if it does */ | |
a6e85307 DS |
187 | switch (si->type) { |
188 | case STATIC_IPV4_GATEWAY: | |
189 | case STATIC_IPV6_GATEWAY: | |
6f5db0b1 | 190 | static_zebra_nht_register(rn, si, true); |
a6e85307 DS |
191 | break; |
192 | case STATIC_IPV4_GATEWAY_IFNAME: | |
193 | case STATIC_IPV6_GATEWAY_IFNAME: | |
194 | ifp = if_lookup_by_name(ifname, nh_svrf->vrf->vrf_id); | |
195 | if (ifp && ifp->ifindex != IFINDEX_INTERNAL) | |
196 | si->ifindex = ifp->ifindex; | |
197 | else | |
198 | zlog_warn("Static Route using %s interface not installed because the interface does not exist in specified vrf", | |
199 | ifname); | |
7e24fdf3 | 200 | |
a6e85307 DS |
201 | static_zebra_nht_register(rn, si, true); |
202 | break; | |
203 | case STATIC_BLACKHOLE: | |
204 | static_install_route(rn, si, safi); | |
205 | break; | |
206 | case STATIC_IFNAME: | |
a36898e7 | 207 | ifp = if_lookup_by_name(ifname, nh_svrf->vrf->vrf_id); |
7e24fdf3 DS |
208 | if (ifp && ifp->ifindex != IFINDEX_INTERNAL) { |
209 | si->ifindex = ifp->ifindex; | |
8bc8de2c | 210 | static_install_route(rn, si, safi); |
7e24fdf3 DS |
211 | } else |
212 | zlog_warn("Static Route using %s interface not installed because the interface does not exist in specified vrf", | |
213 | ifname); | |
a6e85307 DS |
214 | |
215 | break; | |
7e24fdf3 DS |
216 | } |
217 | ||
218 | return 1; | |
219 | } | |
220 | ||
221 | int static_delete_route(afi_t afi, safi_t safi, uint8_t type, struct prefix *p, | |
222 | struct prefix_ipv6 *src_p, union g_addr *gate, | |
223 | const char *ifname, route_tag_t tag, uint8_t distance, | |
224 | struct static_vrf *svrf, | |
225 | struct static_nh_label *snh_label, | |
226 | uint32_t table_id) | |
227 | { | |
228 | struct route_node *rn; | |
229 | struct static_route *si; | |
230 | struct route_table *stable; | |
231 | ||
232 | /* Lookup table. */ | |
233 | stable = static_vrf_static_table(afi, safi, svrf); | |
234 | if (!stable) | |
235 | return -1; | |
236 | ||
237 | /* Lookup static route prefix. */ | |
238 | rn = srcdest_rnode_lookup(stable, p, src_p); | |
239 | if (!rn) | |
240 | return 0; | |
241 | ||
242 | /* Find same static route is the tree */ | |
243 | for (si = rn->info; si; si = si->next) | |
244 | if (type == si->type | |
245 | && (!gate | |
246 | || ((afi == AFI_IP | |
247 | && IPV4_ADDR_SAME(&gate->ipv4, &si->addr.ipv4)) | |
248 | || (afi == AFI_IP6 | |
249 | && IPV6_ADDR_SAME(gate, &si->addr.ipv6)))) | |
250 | && (!strcmp(ifname ? ifname : "", si->ifname)) | |
251 | && (!tag || (tag == si->tag)) | |
252 | && (table_id == si->table_id) | |
253 | && (!snh_label->num_labels | |
254 | || !memcmp(&si->snh_label, snh_label, | |
255 | sizeof(struct static_nh_label)))) | |
256 | break; | |
257 | ||
258 | /* Can't find static route. */ | |
259 | if (!si) { | |
260 | route_unlock_node(rn); | |
261 | return 0; | |
262 | } | |
263 | ||
27da3044 | 264 | static_zebra_nht_register(rn, si, false); |
7e24fdf3 DS |
265 | |
266 | /* Unlink static route from linked list. */ | |
267 | if (si->prev) | |
268 | si->prev->next = si->next; | |
269 | else | |
270 | rn->info = si->next; | |
271 | if (si->next) | |
272 | si->next->prev = si->prev; | |
273 | ||
274 | /* | |
275 | * If we have other si nodes then route replace | |
276 | * else delete the route | |
277 | */ | |
8bc8de2c | 278 | static_uninstall_route(si->vrf_id, safi, rn, si); |
7e24fdf3 DS |
279 | route_unlock_node(rn); |
280 | ||
281 | /* Free static route configuration. */ | |
282 | XFREE(MTYPE_STATIC_ROUTE, si); | |
283 | ||
284 | route_unlock_node(rn); | |
285 | ||
286 | return 1; | |
287 | } | |
288 | ||
289 | static void static_ifindex_update_af(struct interface *ifp, bool up, afi_t afi, | |
290 | safi_t safi) | |
291 | { | |
292 | struct route_table *stable; | |
293 | struct route_node *rn; | |
294 | struct static_route *si; | |
295 | struct vrf *vrf; | |
296 | ||
297 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
298 | struct static_vrf *svrf; | |
299 | ||
300 | svrf = vrf->info; | |
301 | ||
302 | stable = static_vrf_static_table(afi, safi, svrf); | |
303 | if (!stable) | |
304 | continue; | |
305 | ||
306 | for (rn = route_top(stable); rn; rn = srcdest_route_next(rn)) { | |
307 | for (si = rn->info; si; si = si->next) { | |
308 | if (!si->ifname[0]) | |
309 | continue; | |
310 | if (up) { | |
311 | if (strcmp(si->ifname, ifp->name)) | |
312 | continue; | |
313 | si->ifindex = ifp->ifindex; | |
314 | } else { | |
315 | if (si->ifindex != ifp->ifindex) | |
316 | continue; | |
317 | si->ifindex = IFINDEX_INTERNAL; | |
318 | } | |
7e24fdf3 | 319 | |
0b70cb10 DS |
320 | static_install_route(rn, si, safi); |
321 | } | |
7e24fdf3 DS |
322 | } |
323 | } | |
324 | } | |
325 | ||
326 | /* | |
327 | * This function looks at a svrf's stable and notices if any of the | |
328 | * nexthops we are using are part of the vrf coming up. | |
329 | * If we are using them then cleanup the nexthop vrf id | |
330 | * to be the new value and then re-installs them | |
331 | * | |
332 | * | |
333 | * stable -> The table we are looking at. | |
334 | * svrf -> The newly changed vrf. | |
335 | * afi -> The afi to look at | |
336 | * safi -> the safi to look at | |
337 | */ | |
338 | static void static_fixup_vrf(struct static_vrf *svrf, | |
339 | struct route_table *stable, afi_t afi, safi_t safi) | |
340 | { | |
341 | struct route_node *rn; | |
342 | struct static_route *si; | |
343 | struct interface *ifp; | |
7e24fdf3 DS |
344 | |
345 | for (rn = route_top(stable); rn; rn = route_next(rn)) { | |
7e24fdf3 DS |
346 | for (si = rn->info; si; si = si->next) { |
347 | if (strcmp(svrf->vrf->name, si->nh_vrfname) != 0) | |
348 | continue; | |
349 | ||
350 | si->nh_vrf_id = svrf->vrf->vrf_id; | |
6d2a4f37 | 351 | si->nh_registered = false; |
7e24fdf3 | 352 | if (si->ifindex) { |
a36898e7 DS |
353 | ifp = if_lookup_by_name(si->ifname, |
354 | si->nh_vrf_id); | |
7e24fdf3 DS |
355 | if (ifp) |
356 | si->ifindex = ifp->ifindex; | |
357 | else | |
358 | continue; | |
359 | } | |
7e24fdf3 | 360 | |
8bc8de2c | 361 | static_install_route(rn, si, safi); |
0b70cb10 | 362 | } |
7e24fdf3 DS |
363 | } |
364 | } | |
365 | ||
366 | /* | |
367 | * This function enables static routes in a svrf as it | |
368 | * is coming up. It sets the new vrf_id as appropriate. | |
369 | * | |
370 | * svrf -> The svrf that is being brought up and enabled by the kernel | |
371 | * stable -> The stable we are looking at. | |
372 | * afi -> the afi in question | |
373 | * safi -> the safi in question | |
374 | */ | |
375 | static void static_enable_vrf(struct static_vrf *svrf, | |
376 | struct route_table *stable, | |
377 | afi_t afi, safi_t safi) | |
378 | { | |
379 | struct route_node *rn; | |
380 | struct static_route *si; | |
381 | struct interface *ifp; | |
382 | struct vrf *vrf = svrf->vrf; | |
7e24fdf3 DS |
383 | |
384 | for (rn = route_top(stable); rn; rn = route_next(rn)) { | |
7e24fdf3 DS |
385 | for (si = rn->info; si; si = si->next) { |
386 | si->vrf_id = vrf->vrf_id; | |
387 | if (si->ifindex) { | |
388 | ifp = if_lookup_by_name(si->ifname, | |
a36898e7 | 389 | si->nh_vrf_id); |
7e24fdf3 DS |
390 | if (ifp) |
391 | si->ifindex = ifp->ifindex; | |
392 | else | |
393 | continue; | |
394 | } | |
8bc8de2c | 395 | static_install_route(rn, si, safi); |
0b70cb10 | 396 | } |
7e24fdf3 DS |
397 | } |
398 | } | |
399 | ||
400 | /* | |
401 | * When a vrf is being enabled by the kernel, go through all the | |
402 | * static routes in the system that use this vrf (both nexthops vrfs | |
403 | * and the routes vrf ) | |
404 | * | |
405 | * enable_svrf -> the vrf being enabled | |
406 | */ | |
407 | void static_fixup_vrf_ids(struct static_vrf *enable_svrf) | |
408 | { | |
409 | struct route_table *stable; | |
410 | struct vrf *vrf; | |
411 | afi_t afi; | |
412 | safi_t safi; | |
413 | ||
414 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
415 | struct static_vrf *svrf; | |
416 | ||
417 | svrf = vrf->info; | |
418 | /* Install any static routes configured for this VRF. */ | |
419 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
420 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
421 | stable = svrf->stable[afi][safi]; | |
422 | if (!stable) | |
423 | continue; | |
424 | ||
425 | static_fixup_vrf(enable_svrf, stable, | |
426 | afi, safi); | |
427 | ||
428 | if (enable_svrf == svrf) | |
429 | static_enable_vrf(svrf, stable, | |
430 | afi, safi); | |
431 | } | |
432 | } | |
433 | } | |
434 | } | |
435 | ||
436 | /* | |
437 | * Look at the specified stable and if any of the routes in | |
438 | * this table are using the svrf as the nexthop, uninstall | |
439 | * those routes. | |
440 | * | |
441 | * svrf -> the vrf being disabled | |
442 | * stable -> the table we need to look at. | |
443 | * afi -> the afi in question | |
444 | * safi -> the safi in question | |
445 | */ | |
446 | static void static_cleanup_vrf(struct static_vrf *svrf, | |
447 | struct route_table *stable, | |
448 | afi_t afi, safi_t safi) | |
449 | { | |
450 | struct route_node *rn; | |
451 | struct static_route *si; | |
452 | ||
453 | for (rn = route_top(stable); rn; rn = route_next(rn)) { | |
454 | for (si = rn->info; si; si = si->next) { | |
455 | if (strcmp(svrf->vrf->name, si->nh_vrfname) != 0) | |
456 | continue; | |
457 | ||
8bc8de2c | 458 | static_uninstall_route(si->vrf_id, safi, rn, si); |
7e24fdf3 DS |
459 | } |
460 | } | |
461 | } | |
462 | ||
463 | /* | |
464 | * Look at all static routes in this table and uninstall | |
465 | * them. | |
466 | * | |
467 | * stable -> The table to uninstall from | |
468 | * afi -> The afi in question | |
469 | * safi -> the safi in question | |
470 | */ | |
471 | static void static_disable_vrf(struct route_table *stable, | |
472 | afi_t afi, safi_t safi) | |
473 | { | |
474 | struct route_node *rn; | |
475 | struct static_route *si; | |
476 | ||
477 | for (rn = route_top(stable); rn; rn = route_next(rn)) | |
478 | for (si = rn->info; si; si = si->next) | |
8bc8de2c | 479 | static_uninstall_route(si->vrf_id, safi, rn, si); |
7e24fdf3 DS |
480 | } |
481 | ||
482 | /* | |
483 | * When the disable_svrf is shutdown by the kernel, we call | |
484 | * this function and it cleans up all static routes using | |
485 | * this vrf as a nexthop as well as all static routes | |
486 | * in it's stables. | |
487 | * | |
488 | * disable_svrf - The vrf being disabled | |
489 | */ | |
490 | void static_cleanup_vrf_ids(struct static_vrf *disable_svrf) | |
491 | { | |
492 | struct vrf *vrf; | |
493 | afi_t afi; | |
494 | safi_t safi; | |
495 | ||
496 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
497 | struct static_vrf *svrf; | |
498 | ||
499 | svrf = vrf->info; | |
500 | ||
501 | /* Uninstall any static routes configured for this VRF. */ | |
502 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
503 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
504 | struct route_table *stable; | |
505 | ||
506 | stable = svrf->stable[afi][safi]; | |
507 | if (!stable) | |
508 | continue; | |
509 | ||
510 | static_cleanup_vrf(disable_svrf, stable, | |
511 | afi, safi); | |
512 | ||
513 | if (disable_svrf == svrf) | |
514 | static_disable_vrf(stable, afi, safi); | |
515 | } | |
516 | } | |
517 | } | |
518 | } | |
519 | ||
a9be49bc DS |
520 | /* |
521 | * This function enables static routes when an interface it relies | |
522 | * on in a different vrf is coming up. | |
523 | * | |
a9be49bc DS |
524 | * stable -> The stable we are looking at. |
525 | * ifp -> interface coming up | |
526 | * afi -> the afi in question | |
527 | * safi -> the safi in question | |
528 | */ | |
529 | static void static_fixup_intf_nh(struct route_table *stable, | |
530 | struct interface *ifp, | |
531 | afi_t afi, safi_t safi) | |
532 | { | |
533 | struct route_node *rn; | |
534 | struct static_route *si; | |
535 | ||
536 | for (rn = route_top(stable); rn; rn = route_next(rn)) { | |
537 | for (si = rn->info; si; si = si->next) { | |
a36898e7 | 538 | if (si->nh_vrf_id != ifp->vrf_id) |
a9be49bc DS |
539 | continue; |
540 | ||
541 | if (si->ifindex != ifp->ifindex) | |
542 | continue; | |
543 | ||
544 | static_install_route(rn, si, safi); | |
545 | } | |
546 | } | |
547 | } | |
548 | ||
549 | /* | |
550 | * This function enables static routes that rely on an interface in | |
551 | * a different vrf when that interface comes up. | |
552 | */ | |
553 | void static_install_intf_nh(struct interface *ifp) | |
554 | { | |
555 | struct route_table *stable; | |
556 | struct vrf *vrf; | |
557 | afi_t afi; | |
558 | safi_t safi; | |
559 | ||
560 | RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name) { | |
561 | struct static_vrf *svrf = vrf->info; | |
562 | ||
563 | /* Not needed if same vrf since happens naturally */ | |
a36898e7 | 564 | if (vrf->vrf_id == ifp->vrf_id) |
a9be49bc DS |
565 | continue; |
566 | ||
567 | /* Install any static routes configured for this interface. */ | |
568 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { | |
569 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) { | |
570 | stable = svrf->stable[afi][safi]; | |
571 | if (!stable) | |
572 | continue; | |
573 | ||
574 | static_fixup_intf_nh(stable, ifp, afi, safi); | |
575 | } | |
576 | } | |
577 | } | |
578 | } | |
579 | ||
7e24fdf3 DS |
580 | /* called from if_{add,delete}_update, i.e. when ifindex becomes [in]valid */ |
581 | void static_ifindex_update(struct interface *ifp, bool up) | |
582 | { | |
583 | static_ifindex_update_af(ifp, up, AFI_IP, SAFI_UNICAST); | |
584 | static_ifindex_update_af(ifp, up, AFI_IP, SAFI_MULTICAST); | |
585 | static_ifindex_update_af(ifp, up, AFI_IP6, SAFI_UNICAST); | |
586 | static_ifindex_update_af(ifp, up, AFI_IP6, SAFI_MULTICAST); | |
587 | } |