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Commit | Line | Data |
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8a71d93d DS |
1 | /* |
2 | * Zebra connect code. | |
3 | * Copyright (C) Cumulus Networks, Inc. | |
4 | * Donald Sharp | |
5 | * | |
6 | * This file is part of FRR. | |
7 | * | |
8 | * FRR is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * FRR is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | #include <zebra.h> | |
23 | ||
24 | #include "thread.h" | |
25 | #include "command.h" | |
26 | #include "network.h" | |
27 | #include "prefix.h" | |
28 | #include "routemap.h" | |
29 | #include "table.h" | |
30 | #include "stream.h" | |
31 | #include "memory.h" | |
32 | #include "zclient.h" | |
33 | #include "filter.h" | |
34 | #include "plist.h" | |
35 | #include "log.h" | |
36 | #include "nexthop.h" | |
694b242f | 37 | #include "nexthop_group.h" |
8a71d93d | 38 | |
547dc642 | 39 | #include "sharp_globals.h" |
86da53ab | 40 | #include "sharp_nht.h" |
8a71d93d DS |
41 | #include "sharp_zebra.h" |
42 | ||
43 | /* Zebra structure to hold current status. */ | |
44 | struct zclient *zclient = NULL; | |
45 | ||
46 | /* For registering threads. */ | |
47 | extern struct thread_master *master; | |
48 | ||
8a71d93d | 49 | /* Inteface addition message from zebra. */ |
ef7bd2a3 | 50 | static int sharp_ifp_create(struct interface *ifp) |
8a71d93d | 51 | { |
8a71d93d DS |
52 | return 0; |
53 | } | |
54 | ||
3c3c3252 | 55 | static int sharp_ifp_destroy(struct interface *ifp) |
8a71d93d | 56 | { |
8a71d93d DS |
57 | return 0; |
58 | } | |
59 | ||
121f9dee | 60 | static int interface_address_add(ZAPI_CALLBACK_ARGS) |
8a71d93d | 61 | { |
121f9dee | 62 | zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
8a71d93d DS |
63 | |
64 | return 0; | |
65 | } | |
66 | ||
121f9dee | 67 | static int interface_address_delete(ZAPI_CALLBACK_ARGS) |
8a71d93d DS |
68 | { |
69 | struct connected *c; | |
70 | ||
121f9dee | 71 | c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
8a71d93d DS |
72 | |
73 | if (!c) | |
74 | return 0; | |
75 | ||
721c0857 | 76 | connected_free(&c); |
8a71d93d DS |
77 | return 0; |
78 | } | |
79 | ||
ddbf3e60 | 80 | static int sharp_ifp_up(struct interface *ifp) |
8a71d93d | 81 | { |
8a71d93d DS |
82 | return 0; |
83 | } | |
84 | ||
b0b69e59 | 85 | static int sharp_ifp_down(struct interface *ifp) |
8a71d93d | 86 | { |
8a71d93d DS |
87 | return 0; |
88 | } | |
89 | ||
c9e5adba MS |
90 | int sharp_install_lsps_helper(bool install_p, const struct prefix *p, |
91 | uint8_t type, int instance, uint32_t in_label, | |
665edffd MS |
92 | const struct nexthop_group *nhg, |
93 | const struct nexthop_group *backup_nhg) | |
c9e5adba MS |
94 | { |
95 | struct zapi_labels zl = {}; | |
96 | struct zapi_nexthop *znh; | |
97 | const struct nexthop *nh; | |
98 | int i, ret; | |
99 | ||
100 | zl.type = ZEBRA_LSP_SHARP; | |
101 | zl.local_label = in_label; | |
102 | ||
103 | if (p) { | |
104 | SET_FLAG(zl.message, ZAPI_LABELS_FTN); | |
105 | prefix_copy(&zl.route.prefix, p); | |
106 | zl.route.type = type; | |
107 | zl.route.instance = instance; | |
108 | } | |
109 | ||
665edffd | 110 | /* List of nexthops is optional for delete */ |
c9e5adba | 111 | i = 0; |
665edffd MS |
112 | if (nhg) { |
113 | for (ALL_NEXTHOPS_PTR(nhg, nh)) { | |
114 | znh = &zl.nexthops[i]; | |
115 | ||
116 | /* Must have labels to be useful */ | |
117 | if (nh->nh_label == NULL || | |
118 | nh->nh_label->num_labels == 0) | |
119 | continue; | |
120 | ||
121 | if (nh->type == NEXTHOP_TYPE_IFINDEX || | |
122 | nh->type == NEXTHOP_TYPE_BLACKHOLE) | |
123 | /* Hmm - can't really deal with these types */ | |
124 | continue; | |
125 | ||
126 | ret = zapi_nexthop_from_nexthop(znh, nh); | |
127 | if (ret < 0) | |
128 | return -1; | |
129 | ||
130 | i++; | |
131 | } | |
132 | } | |
c9e5adba | 133 | |
665edffd MS |
134 | /* Whoops - no nexthops isn't very useful for install */ |
135 | if (i == 0 && install_p) | |
136 | return -1; | |
c9e5adba | 137 | |
665edffd | 138 | zl.nexthop_num = i; |
c9e5adba | 139 | |
665edffd MS |
140 | /* Add optional backup nexthop info. Since these are used by index, |
141 | * we can't just skip over an invalid backup nexthop: we will | |
142 | * invalidate the entire operation. | |
143 | */ | |
144 | if (backup_nhg != NULL) { | |
145 | i = 0; | |
146 | for (ALL_NEXTHOPS_PTR(backup_nhg, nh)) { | |
147 | znh = &zl.backup_nexthops[i]; | |
c9e5adba | 148 | |
665edffd MS |
149 | /* Must have labels to be useful */ |
150 | if (nh->nh_label == NULL || | |
151 | nh->nh_label->num_labels == 0) | |
152 | return -1; | |
c9e5adba | 153 | |
665edffd MS |
154 | if (nh->type == NEXTHOP_TYPE_IFINDEX || |
155 | nh->type == NEXTHOP_TYPE_BLACKHOLE) | |
156 | /* Hmm - can't really deal with these types */ | |
157 | return -1; | |
c9e5adba | 158 | |
665edffd MS |
159 | ret = zapi_nexthop_from_nexthop(znh, nh); |
160 | if (ret < 0) | |
161 | return -1; | |
162 | ||
163 | i++; | |
164 | } | |
165 | ||
166 | if (i > 0) | |
167 | SET_FLAG(zl.message, ZAPI_LABELS_HAS_BACKUPS); | |
168 | ||
169 | zl.backup_nexthop_num = i; | |
170 | } | |
c9e5adba MS |
171 | |
172 | if (install_p) | |
173 | ret = zebra_send_mpls_labels(zclient, ZEBRA_MPLS_LABELS_ADD, | |
174 | &zl); | |
175 | else | |
176 | ret = zebra_send_mpls_labels(zclient, ZEBRA_MPLS_LABELS_DELETE, | |
177 | &zl); | |
178 | ||
179 | return ret; | |
180 | } | |
181 | ||
0cf08685 | 182 | void sharp_install_routes_helper(struct prefix *p, vrf_id_t vrf_id, |
1df3b1dc MS |
183 | uint8_t instance, |
184 | const struct nexthop_group *nhg, | |
185 | const struct nexthop_group *backup_nhg, | |
6b98d34f DS |
186 | uint32_t routes) |
187 | { | |
188 | uint32_t temp, i; | |
dbc1bf46 | 189 | bool v4 = false; |
6b98d34f DS |
190 | |
191 | zlog_debug("Inserting %u routes", routes); | |
192 | ||
dbc1bf46 DS |
193 | if (p->family == AF_INET) { |
194 | v4 = true; | |
195 | temp = ntohl(p->u.prefix4.s_addr); | |
196 | } else | |
197 | temp = ntohl(p->u.val32[3]); | |
198 | ||
1df3b1dc MS |
199 | /* Only use backup route/nexthops if present */ |
200 | if (backup_nhg && (backup_nhg->nexthop == NULL)) | |
201 | backup_nhg = NULL; | |
202 | ||
547dc642 | 203 | monotime(&sg.r.t_start); |
6b98d34f | 204 | for (i = 0; i < routes; i++) { |
1df3b1dc | 205 | route_add(p, vrf_id, (uint8_t)instance, nhg, backup_nhg); |
dbc1bf46 DS |
206 | if (v4) |
207 | p->u.prefix4.s_addr = htonl(++temp); | |
208 | else | |
209 | p->u.val32[3] = htonl(++temp); | |
6b98d34f DS |
210 | } |
211 | } | |
212 | ||
0cf08685 DS |
213 | void sharp_remove_routes_helper(struct prefix *p, vrf_id_t vrf_id, |
214 | uint8_t instance, uint32_t routes) | |
6b98d34f DS |
215 | { |
216 | uint32_t temp, i; | |
dbc1bf46 | 217 | bool v4 = false; |
6b98d34f DS |
218 | |
219 | zlog_debug("Removing %u routes", routes); | |
220 | ||
dbc1bf46 DS |
221 | if (p->family == AF_INET) { |
222 | v4 = true; | |
223 | temp = ntohl(p->u.prefix4.s_addr); | |
224 | } else | |
225 | temp = ntohl(p->u.val32[3]); | |
226 | ||
547dc642 | 227 | monotime(&sg.r.t_start); |
6b98d34f | 228 | for (i = 0; i < routes; i++) { |
0cf08685 | 229 | route_delete(p, vrf_id, (uint8_t)instance); |
dbc1bf46 DS |
230 | if (v4) |
231 | p->u.prefix4.s_addr = htonl(++temp); | |
232 | else | |
233 | p->u.val32[3] = htonl(++temp); | |
6b98d34f DS |
234 | } |
235 | } | |
236 | ||
b939f6ff | 237 | static void handle_repeated(bool installed) |
6b98d34f | 238 | { |
547dc642 DS |
239 | struct prefix p = sg.r.orig_prefix; |
240 | sg.r.repeat--; | |
6b98d34f | 241 | |
547dc642 | 242 | if (sg.r.repeat <= 0) |
6b98d34f DS |
243 | return; |
244 | ||
245 | if (installed) { | |
547dc642 | 246 | sg.r.removed_routes = 0; |
0cf08685 DS |
247 | sharp_remove_routes_helper(&p, sg.r.vrf_id, |
248 | sg.r.inst, sg.r.total_routes); | |
6b98d34f DS |
249 | } |
250 | ||
f54f37c1 | 251 | if (!installed) { |
547dc642 | 252 | sg.r.installed_routes = 0; |
0cf08685 DS |
253 | sharp_install_routes_helper(&p, sg.r.vrf_id, sg.r.inst, |
254 | &sg.r.nhop_group, | |
1df3b1dc | 255 | &sg.r.backup_nhop_group, |
547dc642 | 256 | sg.r.total_routes); |
6b98d34f DS |
257 | } |
258 | } | |
259 | ||
121f9dee | 260 | static int route_notify_owner(ZAPI_CALLBACK_ARGS) |
8a71d93d | 261 | { |
25c84d86 | 262 | struct timeval r; |
8a71d93d DS |
263 | struct prefix p; |
264 | enum zapi_route_notify_owner note; | |
28610f7e | 265 | uint32_t table; |
8a71d93d | 266 | |
28610f7e | 267 | if (!zapi_route_notify_decode(zclient->ibuf, &p, &table, ¬e)) |
8a71d93d DS |
268 | return -1; |
269 | ||
5e54c602 DS |
270 | switch (note) { |
271 | case ZAPI_ROUTE_INSTALLED: | |
547dc642 DS |
272 | sg.r.installed_routes++; |
273 | if (sg.r.total_routes == sg.r.installed_routes) { | |
274 | monotime(&sg.r.t_end); | |
275 | timersub(&sg.r.t_end, &sg.r.t_start, &r); | |
051a0be4 DL |
276 | zlog_debug("Installed All Items %jd.%ld", |
277 | (intmax_t)r.tv_sec, (long)r.tv_usec); | |
6b98d34f DS |
278 | handle_repeated(true); |
279 | } | |
5e54c602 DS |
280 | break; |
281 | case ZAPI_ROUTE_FAIL_INSTALL: | |
282 | zlog_debug("Failed install of route"); | |
283 | break; | |
284 | case ZAPI_ROUTE_BETTER_ADMIN_WON: | |
285 | zlog_debug("Better Admin Distance won over us"); | |
286 | break; | |
287 | case ZAPI_ROUTE_REMOVED: | |
547dc642 DS |
288 | sg.r.removed_routes++; |
289 | if (sg.r.total_routes == sg.r.removed_routes) { | |
290 | monotime(&sg.r.t_end); | |
291 | timersub(&sg.r.t_end, &sg.r.t_start, &r); | |
051a0be4 DL |
292 | zlog_debug("Removed all Items %jd.%ld", |
293 | (intmax_t)r.tv_sec, (long)r.tv_usec); | |
6b98d34f DS |
294 | handle_repeated(false); |
295 | } | |
5e54c602 DS |
296 | break; |
297 | case ZAPI_ROUTE_REMOVE_FAIL: | |
298 | zlog_debug("Route removal Failure"); | |
299 | break; | |
300 | } | |
8a71d93d DS |
301 | return 0; |
302 | } | |
303 | ||
304 | static void zebra_connected(struct zclient *zclient) | |
305 | { | |
306 | zclient_send_reg_requests(zclient, VRF_DEFAULT); | |
67a9eda9 DS |
307 | |
308 | /* | |
309 | * Do not actually turn this on yet | |
310 | * This is just the start of the infrastructure needed here | |
311 | * This can be fixed at a later time. | |
312 | * | |
313 | * zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, | |
314 | * ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT); | |
315 | */ | |
8a71d93d DS |
316 | } |
317 | ||
7d061b3c | 318 | void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label) |
ab18a495 | 319 | { |
7d061b3c | 320 | zclient_send_vrf_label(zclient, vrf_id, afi, label, ZEBRA_LSP_SHARP); |
ab18a495 DS |
321 | } |
322 | ||
1df3b1dc MS |
323 | void route_add(const struct prefix *p, vrf_id_t vrf_id, |
324 | uint8_t instance, const struct nexthop_group *nhg, | |
325 | const struct nexthop_group *backup_nhg) | |
8a71d93d DS |
326 | { |
327 | struct zapi_route api; | |
328 | struct zapi_nexthop *api_nh; | |
694b242f DS |
329 | struct nexthop *nh; |
330 | int i = 0; | |
8a71d93d DS |
331 | |
332 | memset(&api, 0, sizeof(api)); | |
0cf08685 | 333 | api.vrf_id = vrf_id; |
8a71d93d | 334 | api.type = ZEBRA_ROUTE_SHARP; |
ae252c02 | 335 | api.instance = instance; |
8a71d93d DS |
336 | api.safi = SAFI_UNICAST; |
337 | memcpy(&api.prefix, p, sizeof(*p)); | |
338 | ||
a3896844 | 339 | SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION); |
8a71d93d DS |
340 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); |
341 | ||
694b242f DS |
342 | for (ALL_NEXTHOPS_PTR(nhg, nh)) { |
343 | api_nh = &api.nexthops[i]; | |
054af19a | 344 | |
c9e5adba | 345 | zapi_nexthop_from_nexthop(api_nh, nh); |
1df3b1dc | 346 | |
694b242f DS |
347 | i++; |
348 | } | |
349 | api.nexthop_num = i; | |
8a71d93d | 350 | |
1df3b1dc MS |
351 | /* Include backup nexthops, if present */ |
352 | if (backup_nhg && backup_nhg->nexthop) { | |
353 | SET_FLAG(api.message, ZAPI_MESSAGE_BACKUP_NEXTHOPS); | |
354 | ||
355 | i = 0; | |
356 | for (ALL_NEXTHOPS_PTR(backup_nhg, nh)) { | |
357 | api_nh = &api.backup_nexthops[i]; | |
358 | ||
359 | zapi_backup_nexthop_from_nexthop(api_nh, nh); | |
360 | ||
361 | i++; | |
362 | } | |
363 | ||
364 | api.backup_nexthop_num = i; | |
365 | } | |
366 | ||
8a71d93d DS |
367 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
368 | } | |
369 | ||
0cf08685 | 370 | void route_delete(struct prefix *p, vrf_id_t vrf_id, uint8_t instance) |
8a71d93d DS |
371 | { |
372 | struct zapi_route api; | |
373 | ||
374 | memset(&api, 0, sizeof(api)); | |
0cf08685 | 375 | api.vrf_id = vrf_id; |
8a71d93d DS |
376 | api.type = ZEBRA_ROUTE_SHARP; |
377 | api.safi = SAFI_UNICAST; | |
ae252c02 | 378 | api.instance = instance; |
8a71d93d DS |
379 | memcpy(&api.prefix, p, sizeof(*p)); |
380 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
381 | ||
382 | return; | |
383 | } | |
384 | ||
91529dc8 | 385 | void sharp_zebra_nexthop_watch(struct prefix *p, vrf_id_t vrf_id, bool import, |
b47dc61a | 386 | bool watch, bool connected) |
0ae8130d | 387 | { |
b47dc61a | 388 | int command; |
0ae8130d | 389 | |
b47dc61a DS |
390 | if (!import) { |
391 | command = ZEBRA_NEXTHOP_REGISTER; | |
392 | ||
393 | if (!watch) | |
394 | command = ZEBRA_NEXTHOP_UNREGISTER; | |
395 | } else { | |
396 | command = ZEBRA_IMPORT_ROUTE_REGISTER; | |
397 | ||
398 | if (!watch) | |
399 | command = ZEBRA_IMPORT_ROUTE_UNREGISTER; | |
400 | } | |
0ae8130d | 401 | |
91529dc8 | 402 | if (zclient_send_rnh(zclient, command, p, connected, vrf_id) < 0) |
15569c58 | 403 | zlog_warn("%s: Failure to send nexthop to zebra", __func__); |
0ae8130d DS |
404 | } |
405 | ||
67a9eda9 | 406 | static int sharp_debug_nexthops(struct zapi_route *api) |
0ae8130d | 407 | { |
0ae8130d | 408 | int i; |
67a9eda9 | 409 | char buf[PREFIX_STRLEN]; |
0ae8130d | 410 | |
67a9eda9 DS |
411 | for (i = 0; i < api->nexthop_num; i++) { |
412 | struct zapi_nexthop *znh = &api->nexthops[i]; | |
0ae8130d DS |
413 | |
414 | switch (znh->type) { | |
415 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
416 | case NEXTHOP_TYPE_IPV4: | |
417 | zlog_debug( | |
d6951e5e | 418 | " Nexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d", |
0ae8130d DS |
419 | inet_ntop(AF_INET, &znh->gate.ipv4.s_addr, buf, |
420 | sizeof(buf)), | |
421 | znh->type, znh->ifindex, znh->vrf_id, | |
422 | znh->label_num); | |
423 | break; | |
424 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
425 | case NEXTHOP_TYPE_IPV6: | |
426 | zlog_debug( | |
d6951e5e | 427 | " Nexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d", |
0ae8130d DS |
428 | inet_ntop(AF_INET6, &znh->gate.ipv6, buf, |
429 | sizeof(buf)), | |
430 | znh->type, znh->ifindex, znh->vrf_id, | |
431 | znh->label_num); | |
432 | break; | |
433 | case NEXTHOP_TYPE_IFINDEX: | |
d6951e5e | 434 | zlog_debug(" Nexthop IFINDEX: %d, ifindex: %d", |
0ae8130d DS |
435 | znh->type, znh->ifindex); |
436 | break; | |
437 | case NEXTHOP_TYPE_BLACKHOLE: | |
d6951e5e | 438 | zlog_debug(" Nexthop blackhole"); |
0ae8130d DS |
439 | break; |
440 | } | |
441 | } | |
67a9eda9 DS |
442 | |
443 | return i; | |
444 | } | |
445 | static int sharp_nexthop_update(ZAPI_CALLBACK_ARGS) | |
446 | { | |
447 | struct sharp_nh_tracker *nht; | |
448 | struct zapi_route nhr; | |
449 | ||
450 | if (!zapi_nexthop_update_decode(zclient->ibuf, &nhr)) { | |
15569c58 | 451 | zlog_warn("%s: Decode of update failed", __func__); |
67a9eda9 DS |
452 | |
453 | return 0; | |
454 | } | |
455 | ||
456 | zlog_debug("Received update for %pFX", &nhr.prefix); | |
457 | ||
458 | nht = sharp_nh_tracker_get(&nhr.prefix); | |
459 | nht->nhop_num = nhr.nexthop_num; | |
460 | nht->updates++; | |
461 | ||
462 | sharp_debug_nexthops(&nhr); | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
467 | static int sharp_redistribute_route(ZAPI_CALLBACK_ARGS) | |
468 | { | |
469 | struct zapi_route api; | |
470 | ||
471 | if (zapi_route_decode(zclient->ibuf, &api) < 0) | |
15569c58 | 472 | zlog_warn("%s: Decode of redistribute failed: %d", __func__, |
67a9eda9 DS |
473 | ZEBRA_REDISTRIBUTE_ROUTE_ADD); |
474 | ||
475 | zlog_debug("%s: %pFX (%s)", zserv_command_string(cmd), | |
476 | &api.prefix, zebra_route_string(api.type)); | |
477 | ||
478 | sharp_debug_nexthops(&api); | |
479 | ||
0ae8130d DS |
480 | return 0; |
481 | } | |
482 | ||
7f5ac773 MS |
483 | /* Handler for opaque messages */ |
484 | static int sharp_opaque_handler(ZAPI_CALLBACK_ARGS) | |
485 | { | |
7f5ac773 | 486 | struct stream *s; |
387831ff | 487 | struct zapi_opaque_msg info; |
7f5ac773 MS |
488 | |
489 | s = zclient->ibuf; | |
490 | ||
387831ff MS |
491 | if (zclient_opaque_decode(s, &info) != 0) |
492 | return -1; | |
7f5ac773 | 493 | |
387831ff | 494 | zlog_debug("%s: received opaque type %u", __func__, info.type); |
7f5ac773 MS |
495 | |
496 | return 0; | |
497 | } | |
498 | ||
2ac6c90d MS |
499 | /* |
500 | * Send OPAQUE messages, using subtype 'type'. | |
501 | */ | |
502 | void sharp_opaque_send(uint32_t type, uint32_t count) | |
503 | { | |
7f5ac773 | 504 | uint8_t buf[32]; |
2ac6c90d MS |
505 | int ret; |
506 | uint32_t i; | |
507 | ||
508 | /* Prepare a small payload */ | |
509 | for (i = 0; i < sizeof(buf); i++) { | |
510 | if (type < 255) | |
511 | buf[i] = type; | |
512 | else | |
513 | buf[i] = 255; | |
514 | } | |
515 | ||
516 | /* Send some messages */ | |
517 | for (i = 0; i < count; i++) { | |
518 | ret = zclient_send_opaque(zclient, type, buf, sizeof(buf)); | |
519 | if (ret < 0) { | |
520 | zlog_debug("%s: send_opaque() failed => %d", | |
521 | __func__, ret); | |
522 | break; | |
523 | } | |
524 | } | |
525 | ||
526 | } | |
527 | ||
939b2339 MS |
528 | /* |
529 | * Send OPAQUE registration messages, using subtype 'type'. | |
530 | */ | |
531 | void sharp_opaque_reg_send(bool is_reg, uint32_t proto, uint32_t instance, | |
532 | uint32_t session_id, uint32_t type) | |
533 | { | |
534 | struct stream *s; | |
535 | ||
536 | s = zclient->obuf; | |
537 | stream_reset(s); | |
538 | ||
539 | if (is_reg) | |
540 | zclient_create_header(s, ZEBRA_OPAQUE_REGISTER, VRF_DEFAULT); | |
541 | else | |
542 | zclient_create_header(s, ZEBRA_OPAQUE_UNREGISTER, VRF_DEFAULT); | |
543 | ||
544 | /* Send sub-type */ | |
545 | stream_putl(s, type); | |
546 | ||
547 | /* Add zclient info */ | |
548 | stream_putc(s, proto); | |
549 | stream_putw(s, instance); | |
550 | stream_putl(s, session_id); | |
551 | ||
552 | /* Put length at the first point of the stream. */ | |
553 | stream_putw_at(s, 0, stream_get_endp(s)); | |
554 | ||
555 | (void)zclient_send_message(zclient); | |
556 | ||
557 | } | |
558 | ||
8a71d93d DS |
559 | extern struct zebra_privs_t sharp_privs; |
560 | ||
561 | void sharp_zebra_init(void) | |
562 | { | |
996c9314 | 563 | struct zclient_options opt = {.receive_notify = true}; |
8a71d93d | 564 | |
138c5a74 DS |
565 | if_zapi_callbacks(sharp_ifp_create, sharp_ifp_up, |
566 | sharp_ifp_down, sharp_ifp_destroy); | |
567 | ||
26f63a1e | 568 | zclient = zclient_new(master, &opt); |
8a71d93d DS |
569 | |
570 | zclient_init(zclient, ZEBRA_ROUTE_SHARP, 0, &sharp_privs); | |
571 | zclient->zebra_connected = zebra_connected; | |
8a71d93d DS |
572 | zclient->interface_address_add = interface_address_add; |
573 | zclient->interface_address_delete = interface_address_delete; | |
28b11f81 | 574 | zclient->route_notify_owner = route_notify_owner; |
0ae8130d | 575 | zclient->nexthop_update = sharp_nexthop_update; |
b47dc61a | 576 | zclient->import_check_update = sharp_nexthop_update; |
67a9eda9 DS |
577 | |
578 | zclient->redistribute_route_add = sharp_redistribute_route; | |
579 | zclient->redistribute_route_del = sharp_redistribute_route; | |
7f5ac773 | 580 | zclient->opaque_msg_handler = sharp_opaque_handler; |
8a71d93d | 581 | } |