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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 = {}; |
ea6b290b | 109 | struct zapi_nexthop_label *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: | |
ea6b290b RW |
146 | znh->family = AF_INET; |
147 | znh->address.ipv4 = kr->nexthop.v4; | |
b3c49d0e | 148 | if (kr->ifindex) |
ea6b290b | 149 | znh->type = NEXTHOP_TYPE_IPV4_IFINDEX; |
b3c49d0e | 150 | else |
ea6b290b | 151 | znh->type = NEXTHOP_TYPE_IPV4; |
b3c49d0e RW |
152 | break; |
153 | case AF_INET6: | |
ea6b290b RW |
154 | znh->family = AF_INET6; |
155 | znh->address.ipv6 = kr->nexthop.v6; | |
b3c49d0e | 156 | if (kr->ifindex) |
ea6b290b | 157 | znh->type = NEXTHOP_TYPE_IPV6_IFINDEX; |
b3c49d0e | 158 | else |
ea6b290b | 159 | znh->type = NEXTHOP_TYPE_IPV6; |
b3c49d0e RW |
160 | break; |
161 | default: | |
162 | break; | |
163 | } | |
ea6b290b RW |
164 | znh->ifindex = kr->ifindex; |
165 | znh->label = kr->remote_label; | |
ce549947 | 166 | |
bad6b0e7 | 167 | return zebra_send_mpls_labels(zclient, cmd, &zl); |
ce549947 RW |
168 | } |
169 | ||
eac6e3f0 RW |
170 | int |
171 | kr_change(struct kroute *kr) | |
172 | { | |
bad6b0e7 | 173 | return (ldp_zebra_send_mpls_labels(ZEBRA_MPLS_LABELS_ADD, kr)); |
eac6e3f0 RW |
174 | } |
175 | ||
176 | int | |
177 | kr_delete(struct kroute *kr) | |
178 | { | |
bad6b0e7 | 179 | return (ldp_zebra_send_mpls_labels(ZEBRA_MPLS_LABELS_DELETE, kr)); |
eac6e3f0 RW |
180 | } |
181 | ||
182 | int | |
87b5f1b7 | 183 | kmpw_add(struct zapi_pw *zpw) |
eac6e3f0 | 184 | { |
87b5f1b7 RW |
185 | debug_zebra_out("pseudowire %s nexthop %s (add)", |
186 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
187 | ||
188 | return (zebra_send_pw(zclient, ZEBRA_PW_ADD, zpw)); | |
eac6e3f0 RW |
189 | } |
190 | ||
191 | int | |
87b5f1b7 | 192 | kmpw_del(struct zapi_pw *zpw) |
eac6e3f0 | 193 | { |
87b5f1b7 RW |
194 | debug_zebra_out("pseudowire %s nexthop %s (del)", |
195 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
196 | ||
197 | return (zebra_send_pw(zclient, ZEBRA_PW_DELETE, zpw)); | |
198 | } | |
199 | ||
200 | int | |
201 | kmpw_set(struct zapi_pw *zpw) | |
202 | { | |
203 | debug_zebra_out("pseudowire %s nexthop %s labels %u/%u (set)", | |
204 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop), | |
205 | zpw->local_label, zpw->remote_label); | |
206 | ||
207 | return (zebra_send_pw(zclient, ZEBRA_PW_SET, zpw)); | |
208 | } | |
209 | ||
210 | int | |
211 | kmpw_unset(struct zapi_pw *zpw) | |
212 | { | |
213 | debug_zebra_out("pseudowire %s nexthop %s (unset)", | |
214 | zpw->ifname, log_addr(zpw->af, (union ldpd_addr *)&zpw->nexthop)); | |
215 | ||
216 | return (zebra_send_pw(zclient, ZEBRA_PW_UNSET, zpw)); | |
eac6e3f0 RW |
217 | } |
218 | ||
219 | void | |
220 | kif_redistribute(const char *ifname) | |
221 | { | |
f4e14fdb RW |
222 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
223 | struct listnode *cnode; | |
eac6e3f0 RW |
224 | struct interface *ifp; |
225 | struct connected *ifc; | |
226 | struct kif kif; | |
227 | struct kaddr ka; | |
228 | ||
451fda4f | 229 | FOR_ALL_INTERFACES (vrf, ifp) { |
eac6e3f0 RW |
230 | if (ifname && strcmp(ifname, ifp->name) != 0) |
231 | continue; | |
232 | ||
233 | ifp2kif(ifp, &kif); | |
52b530fc | 234 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 RW |
235 | |
236 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, ifc)) { | |
237 | ifc2kaddr(ifp, ifc, &ka); | |
238 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, | |
239 | sizeof(ka)); | |
240 | } | |
241 | } | |
242 | } | |
243 | ||
244 | static int | |
121f9dee | 245 | ldp_router_id_update(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
246 | { |
247 | struct prefix router_id; | |
248 | ||
249 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
250 | ||
251 | if (bad_addr_v4(router_id.u.prefix4)) | |
252 | return (0); | |
253 | ||
254 | debug_zebra_in("router-id update %s", inet_ntoa(router_id.u.prefix4)); | |
255 | ||
256 | global.rtr_id.s_addr = router_id.u.prefix4.s_addr; | |
257 | main_imsg_compose_ldpe(IMSG_RTRID_UPDATE, 0, &global.rtr_id, | |
258 | sizeof(global.rtr_id)); | |
259 | ||
260 | return (0); | |
261 | } | |
262 | ||
263 | static int | |
ef7bd2a3 | 264 | ldp_ifp_create(struct interface *ifp) |
eac6e3f0 | 265 | { |
eac6e3f0 RW |
266 | struct kif kif; |
267 | ||
eac6e3f0 RW |
268 | debug_zebra_in("interface add %s index %d mtu %d", ifp->name, |
269 | ifp->ifindex, ifp->mtu); | |
270 | ||
271 | ifp2kif(ifp, &kif); | |
52b530fc | 272 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 | 273 | |
ef7bd2a3 | 274 | return 0; |
eac6e3f0 RW |
275 | } |
276 | ||
277 | static int | |
3c3c3252 | 278 | ldp_ifp_destroy(struct interface *ifp) |
eac6e3f0 | 279 | { |
9cf67225 | 280 | struct kif kif; |
eac6e3f0 | 281 | |
eac6e3f0 RW |
282 | debug_zebra_in("interface delete %s index %d mtu %d", ifp->name, |
283 | ifp->ifindex, ifp->mtu); | |
284 | ||
9cf67225 RW |
285 | ifp2kif(ifp, &kif); |
286 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); | |
eac6e3f0 RW |
287 | |
288 | return (0); | |
289 | } | |
290 | ||
291 | static int | |
ddbf3e60 | 292 | ldp_interface_status_change_helper(struct interface *ifp) |
eac6e3f0 | 293 | { |
eac6e3f0 RW |
294 | struct listnode *node; |
295 | struct connected *ifc; | |
296 | struct kif kif; | |
297 | struct kaddr ka; | |
eac6e3f0 | 298 | |
eac6e3f0 RW |
299 | debug_zebra_in("interface %s state update", ifp->name); |
300 | ||
301 | ifp2kif(ifp, &kif); | |
52b530fc | 302 | main_imsg_compose_both(IMSG_IFSTATUS, &kif, sizeof(kif)); |
eac6e3f0 | 303 | |
988ded8d | 304 | if (if_is_operative(ifp)) { |
eac6e3f0 RW |
305 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { |
306 | ifc2kaddr(ifp, ifc, &ka); | |
307 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, | |
308 | sizeof(ka)); | |
309 | } | |
310 | } else { | |
311 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { | |
312 | ifc2kaddr(ifp, ifc, &ka); | |
313 | main_imsg_compose_ldpe(IMSG_DELADDR, 0, &ka, | |
314 | sizeof(ka)); | |
315 | } | |
316 | } | |
317 | ||
318 | return (0); | |
319 | } | |
ddbf3e60 | 320 | |
b0b69e59 DS |
321 | static int ldp_ifp_up(struct interface *ifp) |
322 | { | |
323 | return ldp_interface_status_change_helper(ifp); | |
324 | } | |
ddbf3e60 | 325 | |
b0b69e59 DS |
326 | static int ldp_ifp_down(struct interface *ifp) |
327 | { | |
ddbf3e60 DS |
328 | return ldp_interface_status_change_helper(ifp); |
329 | } | |
eac6e3f0 RW |
330 | |
331 | static int | |
121f9dee | 332 | ldp_interface_address_add(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
333 | { |
334 | struct connected *ifc; | |
335 | struct interface *ifp; | |
336 | struct kaddr ka; | |
337 | ||
121f9dee | 338 | ifc = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
eac6e3f0 RW |
339 | if (ifc == NULL) |
340 | return (0); | |
341 | ||
342 | ifp = ifc->ifp; | |
343 | ifc2kaddr(ifp, ifc, &ka); | |
344 | ||
345 | /* Filter invalid addresses. */ | |
346 | if (bad_addr(ka.af, &ka.addr)) | |
347 | return (0); | |
348 | ||
9cf67225 RW |
349 | debug_zebra_in("address add %s/%u interface %s", |
350 | log_addr(ka.af, &ka.addr), ka.prefixlen, ifp->name); | |
eac6e3f0 RW |
351 | |
352 | /* notify ldpe about new address */ | |
353 | main_imsg_compose_ldpe(IMSG_NEWADDR, 0, &ka, sizeof(ka)); | |
354 | ||
355 | return (0); | |
356 | } | |
357 | ||
358 | static int | |
121f9dee | 359 | ldp_interface_address_delete(ZAPI_CALLBACK_ARGS) |
eac6e3f0 RW |
360 | { |
361 | struct connected *ifc; | |
362 | struct interface *ifp; | |
363 | struct kaddr ka; | |
364 | ||
121f9dee | 365 | ifc = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
eac6e3f0 RW |
366 | if (ifc == NULL) |
367 | return (0); | |
368 | ||
369 | ifp = ifc->ifp; | |
370 | ifc2kaddr(ifp, ifc, &ka); | |
371 | connected_free(ifc); | |
372 | ||
373 | /* Filter invalid addresses. */ | |
374 | if (bad_addr(ka.af, &ka.addr)) | |
375 | return (0); | |
376 | ||
9cf67225 RW |
377 | debug_zebra_in("address delete %s/%u interface %s", |
378 | log_addr(ka.af, &ka.addr), ka.prefixlen, ifp->name); | |
eac6e3f0 RW |
379 | |
380 | /* notify ldpe about removed address */ | |
381 | main_imsg_compose_ldpe(IMSG_DELADDR, 0, &ka, sizeof(ka)); | |
382 | ||
383 | return (0); | |
384 | } | |
385 | ||
386 | static int | |
121f9dee | 387 | ldp_zebra_read_route(ZAPI_CALLBACK_ARGS) |
eac6e3f0 | 388 | { |
74489921 RW |
389 | struct zapi_route api; |
390 | struct zapi_nexthop *api_nh; | |
eac6e3f0 | 391 | struct kroute kr; |
74489921 RW |
392 | int i, add = 0; |
393 | ||
394 | if (zapi_route_decode(zclient->ibuf, &api) < 0) | |
395 | return -1; | |
396 | ||
397 | /* we completely ignore srcdest routes for now. */ | |
398 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
399 | return (0); | |
eac6e3f0 RW |
400 | |
401 | memset(&kr, 0, sizeof(kr)); | |
74489921 RW |
402 | kr.af = api.prefix.family; |
403 | switch (kr.af) { | |
404 | case AF_INET: | |
405 | kr.prefix.v4 = api.prefix.u.prefix4; | |
406 | break; | |
407 | case AF_INET6: | |
408 | kr.prefix.v6 = api.prefix.u.prefix6; | |
409 | break; | |
410 | default: | |
411 | break; | |
412 | } | |
413 | kr.prefixlen = api.prefix.prefixlen; | |
e132dea0 RW |
414 | kr.route_type = api.type; |
415 | kr.route_instance = api.instance; | |
eac6e3f0 | 416 | |
74489921 | 417 | switch (api.type) { |
a695cc7b | 418 | case ZEBRA_ROUTE_CONNECT: |
eac6e3f0 | 419 | kr.flags |= F_CONNECTED; |
a695cc7b RW |
420 | break; |
421 | case ZEBRA_ROUTE_BGP: | |
422 | /* LDP should follow the IGP and ignore BGP routes */ | |
423 | return (0); | |
424 | default: | |
425 | break; | |
426 | } | |
427 | ||
eac6e3f0 RW |
428 | if (bad_addr(kr.af, &kr.prefix) || |
429 | (kr.af == AF_INET6 && IN6_IS_SCOPE_EMBED(&kr.prefix.v6))) | |
430 | return (0); | |
431 | ||
121f9dee | 432 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) |
1f2ff5b5 RW |
433 | add = 1; |
434 | ||
74489921 | 435 | if (api.nexthop_num == 0) |
1f2ff5b5 RW |
436 | debug_zebra_in("route %s %s/%d (%s)", (add) ? "add" : "delete", |
437 | log_addr(kr.af, &kr.prefix), kr.prefixlen, | |
74489921 | 438 | zebra_route_string(api.type)); |
eac6e3f0 RW |
439 | |
440 | /* loop through all the nexthops */ | |
74489921 RW |
441 | for (i = 0; i < api.nexthop_num; i++) { |
442 | api_nh = &api.nexthops[i]; | |
cddef813 RW |
443 | switch (api_nh->type) { |
444 | case NEXTHOP_TYPE_IPV4: | |
445 | if (kr.af != AF_INET) | |
446 | continue; | |
447 | kr.nexthop.v4 = api_nh->gate.ipv4; | |
448 | kr.ifindex = 0; | |
449 | break; | |
450 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
451 | if (kr.af != AF_INET) | |
452 | continue; | |
74489921 | 453 | kr.nexthop.v4 = api_nh->gate.ipv4; |
cddef813 | 454 | kr.ifindex = api_nh->ifindex; |
eac6e3f0 | 455 | break; |
cddef813 RW |
456 | case NEXTHOP_TYPE_IPV6: |
457 | if (kr.af != AF_INET6) | |
458 | continue; | |
74489921 | 459 | kr.nexthop.v6 = api_nh->gate.ipv6; |
cddef813 | 460 | kr.ifindex = 0; |
eac6e3f0 | 461 | break; |
cddef813 RW |
462 | case NEXTHOP_TYPE_IPV6_IFINDEX: |
463 | if (kr.af != AF_INET6) | |
464 | continue; | |
465 | kr.nexthop.v6 = api_nh->gate.ipv6; | |
466 | kr.ifindex = api_nh->ifindex; | |
467 | break; | |
468 | case NEXTHOP_TYPE_IFINDEX: | |
469 | if (!(kr.flags & F_CONNECTED)) | |
470 | continue; | |
eac6e3f0 | 471 | break; |
cddef813 RW |
472 | default: |
473 | continue; | |
eac6e3f0 | 474 | } |
eac6e3f0 | 475 | |
1f2ff5b5 RW |
476 | debug_zebra_in("route %s %s/%d nexthop %s ifindex %u (%s)", |
477 | (add) ? "add" : "delete", log_addr(kr.af, &kr.prefix), | |
478 | kr.prefixlen, log_addr(kr.af, &kr.nexthop), kr.ifindex, | |
74489921 | 479 | zebra_route_string(api.type)); |
1f2ff5b5 RW |
480 | |
481 | if (add) | |
eac6e3f0 RW |
482 | main_imsg_compose_lde(IMSG_NETWORK_ADD, 0, &kr, |
483 | sizeof(kr)); | |
eac6e3f0 RW |
484 | } |
485 | ||
8cb1fc45 | 486 | main_imsg_compose_lde(IMSG_NETWORK_UPDATE, 0, &kr, sizeof(kr)); |
134970a2 | 487 | |
eac6e3f0 RW |
488 | return (0); |
489 | } | |
490 | ||
87b5f1b7 RW |
491 | /* |
492 | * Receive PW status update from Zebra and send it to LDE process. | |
493 | */ | |
494 | static int | |
121f9dee | 495 | ldp_zebra_read_pw_status_update(ZAPI_CALLBACK_ARGS) |
87b5f1b7 RW |
496 | { |
497 | struct zapi_pw_status zpw; | |
498 | ||
121f9dee | 499 | zebra_read_pw_status_update(cmd, zclient, length, vrf_id, &zpw); |
87b5f1b7 RW |
500 | |
501 | debug_zebra_in("pseudowire %s status %s", zpw.ifname, | |
502 | (zpw.status == PW_STATUS_UP) ? "up" : "down"); | |
503 | ||
504 | main_imsg_compose_lde(IMSG_PW_UPDATE, 0, &zpw, sizeof(zpw)); | |
505 | ||
506 | return (0); | |
507 | } | |
508 | ||
eac6e3f0 RW |
509 | static void |
510 | ldp_zebra_connected(struct zclient *zclient) | |
511 | { | |
eac6e3f0 | 512 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
a695cc7b RW |
513 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, |
514 | ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT); | |
515 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6, | |
516 | ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT); | |
eac6e3f0 RW |
517 | } |
518 | ||
342213ea DS |
519 | extern struct zebra_privs_t ldpd_privs; |
520 | ||
eac6e3f0 RW |
521 | void |
522 | ldp_zebra_init(struct thread_master *master) | |
523 | { | |
138c5a74 DS |
524 | if_zapi_callbacks(ldp_ifp_create, ldp_ifp_up, |
525 | ldp_ifp_down, ldp_ifp_destroy); | |
526 | ||
eac6e3f0 | 527 | /* Set default values. */ |
26f63a1e | 528 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 529 | zclient_init(zclient, ZEBRA_ROUTE_LDP, 0, &ldpd_privs); |
eac6e3f0 RW |
530 | |
531 | /* set callbacks */ | |
532 | zclient->zebra_connected = ldp_zebra_connected; | |
533 | zclient->router_id_update = ldp_router_id_update; | |
eac6e3f0 RW |
534 | zclient->interface_address_add = ldp_interface_address_add; |
535 | zclient->interface_address_delete = ldp_interface_address_delete; | |
74489921 RW |
536 | zclient->redistribute_route_add = ldp_zebra_read_route; |
537 | zclient->redistribute_route_del = ldp_zebra_read_route; | |
87b5f1b7 | 538 | zclient->pw_status_update = ldp_zebra_read_pw_status_update; |
eac6e3f0 | 539 | } |
64dffe25 RW |
540 | |
541 | void | |
542 | ldp_zebra_destroy(void) | |
543 | { | |
544 | zclient_stop(zclient); | |
545 | zclient_free(zclient); | |
546 | zclient = NULL; | |
547 | } |