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eac6e3f0 RW |
1 | /* |
2 | * Copyright (C) 2016 by Open Source Routing. | |
3 | * | |
180fc2cd RW |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
eac6e3f0 | 8 | * |
180fc2cd | 9 | * This program is distributed in the hope that it will be useful, but |
eac6e3f0 RW |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
180fc2cd RW |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; see the file COPYING; if not, write to the | |
16 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
17 | * MA 02110-1301 USA | |
eac6e3f0 RW |
18 | */ |
19 | ||
20 | #include <zebra.h> | |
21 | ||
22 | #include "prefix.h" | |
23 | #include "stream.h" | |
24 | #include "memory.h" | |
25 | #include "zclient.h" | |
26 | #include "command.h" | |
27 | #include "network.h" | |
28 | #include "linklist.h" | |
ce549947 | 29 | #include "mpls.h" |
eac6e3f0 RW |
30 | |
31 | #include "ldpd.h" | |
32 | #include "ldpe.h" | |
33 | #include "lde.h" | |
34 | #include "log.h" | |
35 | #include "ldp_debug.h" | |
36 | ||
37 | static void ifp2kif(struct interface *, struct kif *); | |
38 | static void ifc2kaddr(struct interface *, struct connected *, | |
39 | struct kaddr *); | |
bad6b0e7 | 40 | static int ldp_zebra_send_mpls_labels(int, struct kroute *); |
121f9dee | 41 | static int ldp_router_id_update(ZAPI_CALLBACK_ARGS); |
121f9dee QY |
42 | static int ldp_interface_address_add(ZAPI_CALLBACK_ARGS); |
43 | static int ldp_interface_address_delete(ZAPI_CALLBACK_ARGS); | |
44 | static int ldp_zebra_read_route(ZAPI_CALLBACK_ARGS); | |
45 | static int ldp_zebra_read_pw_status_update(ZAPI_CALLBACK_ARGS); | |
eac6e3f0 RW |
46 | static void ldp_zebra_connected(struct zclient *); |
47 | ||
48 | static struct zclient *zclient; | |
49 | ||
50 | static void | |
51 | ifp2kif(struct interface *ifp, struct kif *kif) | |
52 | { | |
53 | memset(kif, 0, sizeof(*kif)); | |
54 | strlcpy(kif->ifname, ifp->name, sizeof(kif->ifname)); | |
55 | kif->ifindex = ifp->ifindex; | |
988ded8d | 56 | kif->operative = if_is_operative(ifp); |
26519d8c | 57 | if (ifp->ll_type == ZEBRA_LLT_ETHER) |
9bff8057 | 58 | memcpy(kif->mac, ifp->hw_addr, ETH_ALEN); |
eac6e3f0 RW |
59 | } |
60 | ||
61 | static void | |
62 | ifc2kaddr(struct interface *ifp, struct connected *ifc, struct kaddr *ka) | |
63 | { | |
64 | memset(ka, 0, sizeof(*ka)); | |
9cf67225 | 65 | strlcpy(ka->ifname, ifp->name, sizeof(ka->ifname)); |
eac6e3f0 RW |
66 | ka->ifindex = ifp->ifindex; |
67 | ka->af = ifc->address->family; | |
68 | ka->prefixlen = ifc->address->prefixlen; | |
69 | ||
70 | switch (ka->af) { | |
71 | case AF_INET: | |
72 | ka->addr.v4 = ifc->address->u.prefix4; | |
73 | if (ifc->destination) | |
74 | ka->dstbrd.v4 = ifc->destination->u.prefix4; | |
75 | break; | |
76 | case AF_INET6: | |
77 | ka->addr.v6 = ifc->address->u.prefix6; | |
78 | if (ifc->destination) | |
79 | ka->dstbrd.v6 = ifc->destination->u.prefix6; | |
80 | break; | |
81 | default: | |
82 | break; | |
83 | } | |
84 | } | |
85 | ||
87b5f1b7 RW |
86 | void |
87 | pw2zpw(struct l2vpn_pw *pw, struct zapi_pw *zpw) | |
88 | { | |
89 | memset(zpw, 0, sizeof(*zpw)); | |
90 | strlcpy(zpw->ifname, pw->ifname, sizeof(zpw->ifname)); | |
91 | zpw->ifindex = pw->ifindex; | |
92 | zpw->type = pw->l2vpn->pw_type; | |
93 | zpw->af = pw->af; | |
94 | zpw->nexthop.ipv6 = pw->addr.v6; | |
95 | zpw->local_label = NO_LABEL; | |
96 | zpw->remote_label = NO_LABEL; | |
97 | if (pw->flags & F_PW_CWORD) | |
98 | zpw->flags = F_PSEUDOWIRE_CWORD; | |
99 | zpw->data.ldp.lsr_id = pw->lsr_id; | |
100 | zpw->data.ldp.pwid = pw->pwid; | |
101 | strlcpy(zpw->data.ldp.vpn_name, pw->l2vpn->name, | |
102 | sizeof(zpw->data.ldp.vpn_name)); | |
103 | } | |
104 | ||
ce549947 | 105 | static int |
bad6b0e7 | 106 | ldp_zebra_send_mpls_labels(int cmd, struct kroute *kr) |
ce549947 | 107 | { |
bad6b0e7 | 108 | struct zapi_labels zl = {}; |
4945002d | 109 | struct zapi_nexthop *znh; |
ce549947 RW |
110 | |
111 | if (kr->local_label < MPLS_LABEL_RESERVED_MAX || | |
112 | kr->remote_label == NO_LABEL) | |
113 | return (0); | |
114 | ||
88d88a9c | 115 | debug_zebra_out("prefix %s/%u nexthop %s ifindex %u labels %s/%s (%s)", |
ce549947 | 116 | log_addr(kr->af, &kr->prefix), kr->prefixlen, |
88d88a9c RW |
117 | log_addr(kr->af, &kr->nexthop), kr->ifindex, |
118 | log_label(kr->local_label), log_label(kr->remote_label), | |
ce549947 RW |
119 | (cmd == ZEBRA_MPLS_LABELS_ADD) ? "add" : "delete"); |
120 | ||
bad6b0e7 | 121 | zl.type = ZEBRA_LSP_LDP; |
b3c49d0e RW |
122 | zl.local_label = kr->local_label; |
123 | ||
124 | /* Set prefix. */ | |
125 | SET_FLAG(zl.message, ZAPI_LABELS_FTN); | |
126 | zl.route.prefix.family = kr->af; | |
ce549947 RW |
127 | switch (kr->af) { |
128 | case AF_INET: | |
b3c49d0e | 129 | zl.route.prefix.u.prefix4 = kr->prefix.v4; |
ce549947 RW |
130 | break; |
131 | case AF_INET6: | |
b3c49d0e | 132 | zl.route.prefix.u.prefix6 = kr->prefix.v6; |
ce549947 RW |
133 | break; |
134 | default: | |
b3c49d0e | 135 | fatalx("ldp_zebra_send_mpls_labels: unknown af"); |
ce549947 | 136 | } |
b3c49d0e RW |
137 | zl.route.prefix.prefixlen = kr->prefixlen; |
138 | zl.route.type = kr->route_type; | |
139 | zl.route.instance = kr->route_instance; | |
140 | ||
141 | /* Set nexthop. */ | |
ea6b290b RW |
142 | zl.nexthop_num = 1; |
143 | znh = &zl.nexthops[0]; | |
b3c49d0e RW |
144 | switch (kr->af) { |
145 | case AF_INET: | |
4945002d | 146 | znh->gate.ipv4 = kr->nexthop.v4; |
b3c49d0e | 147 | if (kr->ifindex) |
ea6b290b | 148 | znh->type = NEXTHOP_TYPE_IPV4_IFINDEX; |
b3c49d0e | 149 | else |
ea6b290b | 150 | znh->type = NEXTHOP_TYPE_IPV4; |
b3c49d0e RW |
151 | break; |
152 | case AF_INET6: | |
4945002d | 153 | znh->gate.ipv6 = kr->nexthop.v6; |
b3c49d0e | 154 | if (kr->ifindex) |
ea6b290b | 155 | znh->type = NEXTHOP_TYPE_IPV6_IFINDEX; |
b3c49d0e | 156 | else |
ea6b290b | 157 | znh->type = NEXTHOP_TYPE_IPV6; |
b3c49d0e RW |
158 | break; |
159 | default: | |
160 | break; | |
161 | } | |
ea6b290b | 162 | znh->ifindex = kr->ifindex; |
4945002d MS |
163 | znh->label_num = 1; |
164 | znh->labels[0] = kr->remote_label; | |
ce549947 | 165 | |
bad6b0e7 | 166 | return zebra_send_mpls_labels(zclient, cmd, &zl); |
ce549947 RW |
167 | } |
168 | ||
eac6e3f0 RW |
169 | int |
170 | kr_change(struct kroute *kr) | |
171 | { | |
bad6b0e7 | 172 | return (ldp_zebra_send_mpls_labels(ZEBRA_MPLS_LABELS_ADD, kr)); |
eac6e3f0 RW |
173 | } |
174 | ||
175 | int | |
176 | kr_delete(struct kroute *kr) | |
177 | { | |
bad6b0e7 | 178 | return (ldp_zebra_send_mpls_labels(ZEBRA_MPLS_LABELS_DELETE, kr)); |
eac6e3f0 RW |
179 | } |
180 | ||
181 | int | |
87b5f1b7 | 182 | kmpw_add(struct zapi_pw *zpw) |
eac6e3f0 | 183 | { |
87b5f1b7 RW |
184 | debug_zebra_out("pseudowire %s nexthop %s (add)", |
185 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
186 | ||
187 | return (zebra_send_pw(zclient, ZEBRA_PW_ADD, zpw)); | |
eac6e3f0 RW |
188 | } |
189 | ||
190 | int | |
87b5f1b7 | 191 | kmpw_del(struct zapi_pw *zpw) |
eac6e3f0 | 192 | { |
87b5f1b7 RW |
193 | debug_zebra_out("pseudowire %s nexthop %s (del)", |
194 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
195 | ||
196 | return (zebra_send_pw(zclient, ZEBRA_PW_DELETE, zpw)); | |
197 | } | |
198 | ||
199 | int | |
200 | kmpw_set(struct zapi_pw *zpw) | |
201 | { | |
202 | debug_zebra_out("pseudowire %s nexthop %s labels %u/%u (set)", | |
203 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop), | |
204 | zpw->local_label, zpw->remote_label); | |
205 | ||
206 | return (zebra_send_pw(zclient, ZEBRA_PW_SET, zpw)); | |
207 | } | |
208 | ||
209 | int | |
210 | kmpw_unset(struct zapi_pw *zpw) | |
211 | { | |
212 | debug_zebra_out("pseudowire %s nexthop %s (unset)", | |
213 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
214 | ||
215 | return (zebra_send_pw(zclient, ZEBRA_PW_UNSET, zpw)); | |
eac6e3f0 RW |
216 | } |
217 | ||
218 | void | |
219 | kif_redistribute(const char *ifname) | |
220 | { | |
f4e14fdb RW |
221 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
222 | struct listnode *cnode; | |
eac6e3f0 RW |
223 | struct interface *ifp; |
224 | struct connected *ifc; | |
225 | struct kif kif; | |
226 | struct kaddr ka; | |
227 | ||
451fda4f | 228 | FOR_ALL_INTERFACES (vrf, ifp) { |
eac6e3f0 RW |
229 | if (ifname && strcmp(ifname, ifp->name) != 0) |
230 | continue; | |
231 | ||
232 | ifp2kif(ifp, &kif); | |
52b530fc | 233 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 RW |
234 | |
235 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, ifc)) { | |
236 | ifc2kaddr(ifp, ifc, &ka); | |
237 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, | |
238 | sizeof(ka)); | |
239 | } | |
240 | } | |
241 | } | |
242 | ||
243 | static int | |
121f9dee | 244 | ldp_router_id_update(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
245 | { |
246 | struct prefix router_id; | |
247 | ||
248 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
249 | ||
250 | if (bad_addr_v4(router_id.u.prefix4)) | |
251 | return (0); | |
252 | ||
253 | debug_zebra_in("router-id update %s", inet_ntoa(router_id.u.prefix4)); | |
254 | ||
255 | global.rtr_id.s_addr = router_id.u.prefix4.s_addr; | |
256 | main_imsg_compose_ldpe(IMSG_RTRID_UPDATE, 0, &global.rtr_id, | |
257 | sizeof(global.rtr_id)); | |
258 | ||
259 | return (0); | |
260 | } | |
261 | ||
262 | static int | |
ef7bd2a3 | 263 | ldp_ifp_create(struct interface *ifp) |
eac6e3f0 | 264 | { |
eac6e3f0 RW |
265 | struct kif kif; |
266 | ||
eac6e3f0 RW |
267 | debug_zebra_in("interface add %s index %d mtu %d", ifp->name, |
268 | ifp->ifindex, ifp->mtu); | |
269 | ||
270 | ifp2kif(ifp, &kif); | |
52b530fc | 271 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 | 272 | |
ef7bd2a3 | 273 | return 0; |
eac6e3f0 RW |
274 | } |
275 | ||
276 | static int | |
3c3c3252 | 277 | ldp_ifp_destroy(struct interface *ifp) |
eac6e3f0 | 278 | { |
9cf67225 | 279 | struct kif kif; |
eac6e3f0 | 280 | |
eac6e3f0 RW |
281 | debug_zebra_in("interface delete %s index %d mtu %d", ifp->name, |
282 | ifp->ifindex, ifp->mtu); | |
283 | ||
9cf67225 RW |
284 | ifp2kif(ifp, &kif); |
285 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); | |
eac6e3f0 RW |
286 | |
287 | return (0); | |
288 | } | |
289 | ||
290 | static int | |
ddbf3e60 | 291 | ldp_interface_status_change_helper(struct interface *ifp) |
eac6e3f0 | 292 | { |
eac6e3f0 RW |
293 | struct listnode *node; |
294 | struct connected *ifc; | |
295 | struct kif kif; | |
296 | struct kaddr ka; | |
eac6e3f0 | 297 | |
eac6e3f0 RW |
298 | debug_zebra_in("interface %s state update", ifp->name); |
299 | ||
300 | ifp2kif(ifp, &kif); | |
52b530fc | 301 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 | 302 | |
988ded8d | 303 | if (if_is_operative(ifp)) { |
eac6e3f0 RW |
304 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { |
305 | ifc2kaddr(ifp, ifc, &ka); | |
306 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, | |
307 | sizeof(ka)); | |
308 | } | |
309 | } else { | |
310 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { | |
311 | ifc2kaddr(ifp, ifc, &ka); | |
312 | main_imsg_compose_ldpe(IMSG_DELADDR, 0, &ka, | |
313 | sizeof(ka)); | |
314 | } | |
315 | } | |
316 | ||
317 | return (0); | |
318 | } | |
ddbf3e60 | 319 | |
b0b69e59 DS |
320 | static int ldp_ifp_up(struct interface *ifp) |
321 | { | |
322 | return ldp_interface_status_change_helper(ifp); | |
323 | } | |
ddbf3e60 | 324 | |
b0b69e59 DS |
325 | static int ldp_ifp_down(struct interface *ifp) |
326 | { | |
ddbf3e60 DS |
327 | return ldp_interface_status_change_helper(ifp); |
328 | } | |
eac6e3f0 RW |
329 | |
330 | static int | |
121f9dee | 331 | ldp_interface_address_add(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
332 | { |
333 | struct connected *ifc; | |
334 | struct interface *ifp; | |
335 | struct kaddr ka; | |
336 | ||
121f9dee | 337 | ifc = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
eac6e3f0 RW |
338 | if (ifc == NULL) |
339 | return (0); | |
340 | ||
341 | ifp = ifc->ifp; | |
342 | ifc2kaddr(ifp, ifc, &ka); | |
343 | ||
344 | /* Filter invalid addresses. */ | |
345 | if (bad_addr(ka.af, &ka.addr)) | |
346 | return (0); | |
347 | ||
9cf67225 RW |
348 | debug_zebra_in("address add %s/%u interface %s", |
349 | log_addr(ka.af, &ka.addr), ka.prefixlen, ifp->name); | |
eac6e3f0 RW |
350 | |
351 | /* notify ldpe about new address */ | |
352 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, sizeof(ka)); | |
353 | ||
354 | return (0); | |
355 | } | |
356 | ||
357 | static int | |
121f9dee | 358 | ldp_interface_address_delete(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
359 | { |
360 | struct connected *ifc; | |
361 | struct interface *ifp; | |
362 | struct kaddr ka; | |
363 | ||
121f9dee | 364 | ifc = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
eac6e3f0 RW |
365 | if (ifc == NULL) |
366 | return (0); | |
367 | ||
368 | ifp = ifc->ifp; | |
369 | ifc2kaddr(ifp, ifc, &ka); | |
721c0857 | 370 | connected_free(&ifc); |
eac6e3f0 RW |
371 | |
372 | /* Filter invalid addresses. */ | |
373 | if (bad_addr(ka.af, &ka.addr)) | |
374 | return (0); | |
375 | ||
9cf67225 RW |
376 | debug_zebra_in("address delete %s/%u interface %s", |
377 | log_addr(ka.af, &ka.addr), ka.prefixlen, ifp->name); | |
eac6e3f0 RW |
378 | |
379 | /* notify ldpe about removed address */ | |
380 | main_imsg_compose_ldpe(IMSG_DELADDR, 0, &ka, sizeof(ka)); | |
381 | ||
382 | return (0); | |
383 | } | |
384 | ||
385 | static int | |
121f9dee | 386 | ldp_zebra_read_route(ZAPI_CALLBACK_ARGS) |
eac6e3f0 | 387 | { |
74489921 RW |
388 | struct zapi_route api; |
389 | struct zapi_nexthop *api_nh; | |
eac6e3f0 | 390 | struct kroute kr; |
74489921 RW |
391 | int i, add = 0; |
392 | ||
393 | if (zapi_route_decode(zclient->ibuf, &api) < 0) | |
394 | return -1; | |
395 | ||
396 | /* we completely ignore srcdest routes for now. */ | |
397 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
398 | return (0); | |
eac6e3f0 RW |
399 | |
400 | memset(&kr, 0, sizeof(kr)); | |
74489921 RW |
401 | kr.af = api.prefix.family; |
402 | switch (kr.af) { | |
403 | case AF_INET: | |
404 | kr.prefix.v4 = api.prefix.u.prefix4; | |
405 | break; | |
406 | case AF_INET6: | |
407 | kr.prefix.v6 = api.prefix.u.prefix6; | |
408 | break; | |
409 | default: | |
410 | break; | |
411 | } | |
412 | kr.prefixlen = api.prefix.prefixlen; | |
e132dea0 RW |
413 | kr.route_type = api.type; |
414 | kr.route_instance = api.instance; | |
eac6e3f0 | 415 | |
74489921 | 416 | switch (api.type) { |
a695cc7b | 417 | case ZEBRA_ROUTE_CONNECT: |
eac6e3f0 | 418 | kr.flags |= F_CONNECTED; |
a695cc7b RW |
419 | break; |
420 | case ZEBRA_ROUTE_BGP: | |
421 | /* LDP should follow the IGP and ignore BGP routes */ | |
422 | return (0); | |
423 | default: | |
424 | break; | |
425 | } | |
426 | ||
eac6e3f0 RW |
427 | if (bad_addr(kr.af, &kr.prefix) || |
428 | (kr.af == AF_INET6 && IN6_IS_SCOPE_EMBED(&kr.prefix.v6))) | |
429 | return (0); | |
430 | ||
121f9dee | 431 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) |
1f2ff5b5 RW |
432 | add = 1; |
433 | ||
74489921 | 434 | if (api.nexthop_num == 0) |
1f2ff5b5 RW |
435 | debug_zebra_in("route %s %s/%d (%s)", (add) ? "add" : "delete", |
436 | log_addr(kr.af, &kr.prefix), kr.prefixlen, | |
74489921 | 437 | zebra_route_string(api.type)); |
eac6e3f0 RW |
438 | |
439 | /* loop through all the nexthops */ | |
74489921 RW |
440 | for (i = 0; i < api.nexthop_num; i++) { |
441 | api_nh = &api.nexthops[i]; | |
cddef813 RW |
442 | switch (api_nh->type) { |
443 | case NEXTHOP_TYPE_IPV4: | |
444 | if (kr.af != AF_INET) | |
445 | continue; | |
446 | kr.nexthop.v4 = api_nh->gate.ipv4; | |
447 | kr.ifindex = 0; | |
448 | break; | |
449 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
450 | if (kr.af != AF_INET) | |
451 | continue; | |
74489921 | 452 | kr.nexthop.v4 = api_nh->gate.ipv4; |
cddef813 | 453 | kr.ifindex = api_nh->ifindex; |
eac6e3f0 | 454 | break; |
cddef813 RW |
455 | case NEXTHOP_TYPE_IPV6: |
456 | if (kr.af != AF_INET6) | |
457 | continue; | |
74489921 | 458 | kr.nexthop.v6 = api_nh->gate.ipv6; |
cddef813 | 459 | kr.ifindex = 0; |
eac6e3f0 | 460 | break; |
cddef813 RW |
461 | case NEXTHOP_TYPE_IPV6_IFINDEX: |
462 | if (kr.af != AF_INET6) | |
463 | continue; | |
464 | kr.nexthop.v6 = api_nh->gate.ipv6; | |
465 | kr.ifindex = api_nh->ifindex; | |
466 | break; | |
467 | case NEXTHOP_TYPE_IFINDEX: | |
468 | if (!(kr.flags & F_CONNECTED)) | |
469 | continue; | |
eac6e3f0 | 470 | break; |
cddef813 RW |
471 | default: |
472 | continue; | |
eac6e3f0 | 473 | } |
eac6e3f0 | 474 | |
1f2ff5b5 RW |
475 | debug_zebra_in("route %s %s/%d nexthop %s ifindex %u (%s)", |
476 | (add) ? "add" : "delete", log_addr(kr.af, &kr.prefix), | |
477 | kr.prefixlen, log_addr(kr.af, &kr.nexthop), kr.ifindex, | |
74489921 | 478 | zebra_route_string(api.type)); |
1f2ff5b5 RW |
479 | |
480 | if (add) | |
eac6e3f0 RW |
481 | main_imsg_compose_lde(IMSG_NETWORK_ADD, 0, &kr, |
482 | sizeof(kr)); | |
eac6e3f0 RW |
483 | } |
484 | ||
8cb1fc45 | 485 | main_imsg_compose_lde(IMSG_NETWORK_UPDATE, 0, &kr, sizeof(kr)); |
134970a2 | 486 | |
eac6e3f0 RW |
487 | return (0); |
488 | } | |
489 | ||
87b5f1b7 RW |
490 | /* |
491 | * Receive PW status update from Zebra and send it to LDE process. | |
492 | */ | |
493 | static int | |
121f9dee | 494 | ldp_zebra_read_pw_status_update(ZAPI_CALLBACK_ARGS) |
87b5f1b7 RW |
495 | { |
496 | struct zapi_pw_status zpw; | |
497 | ||
121f9dee | 498 | zebra_read_pw_status_update(cmd, zclient, length, vrf_id, &zpw); |
87b5f1b7 RW |
499 | |
500 | debug_zebra_in("pseudowire %s status %s", zpw.ifname, | |
501 | (zpw.status == PW_STATUS_UP) ? "up" : "down"); | |
502 | ||
503 | main_imsg_compose_lde(IMSG_PW_UPDATE, 0, &zpw, sizeof(zpw)); | |
504 | ||
505 | return (0); | |
506 | } | |
507 | ||
eac6e3f0 RW |
508 | static void |
509 | ldp_zebra_connected(struct zclient *zclient) | |
510 | { | |
eac6e3f0 | 511 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
a695cc7b RW |
512 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, |
513 | ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT); | |
514 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6, | |
515 | ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT); | |
eac6e3f0 RW |
516 | } |
517 | ||
342213ea DS |
518 | extern struct zebra_privs_t ldpd_privs; |
519 | ||
eac6e3f0 RW |
520 | void |
521 | ldp_zebra_init(struct thread_master *master) | |
522 | { | |
138c5a74 DS |
523 | if_zapi_callbacks(ldp_ifp_create, ldp_ifp_up, |
524 | ldp_ifp_down, ldp_ifp_destroy); | |
525 | ||
eac6e3f0 | 526 | /* Set default values. */ |
26f63a1e | 527 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 528 | zclient_init(zclient, ZEBRA_ROUTE_LDP, 0, &ldpd_privs); |
eac6e3f0 RW |
529 | |
530 | /* set callbacks */ | |
531 | zclient->zebra_connected = ldp_zebra_connected; | |
532 | zclient->router_id_update = ldp_router_id_update; | |
eac6e3f0 RW |
533 | zclient->interface_address_add = ldp_interface_address_add; |
534 | zclient->interface_address_delete = ldp_interface_address_delete; | |
74489921 RW |
535 | zclient->redistribute_route_add = ldp_zebra_read_route; |
536 | zclient->redistribute_route_del = ldp_zebra_read_route; | |
87b5f1b7 | 537 | zclient->pw_status_update = ldp_zebra_read_pw_status_update; |
eac6e3f0 | 538 | } |
64dffe25 RW |
539 | |
540 | void | |
541 | ldp_zebra_destroy(void) | |
542 | { | |
543 | zclient_stop(zclient); | |
544 | zclient_free(zclient); | |
545 | zclient = NULL; | |
546 | } |