]>
Commit | Line | Data |
---|---|---|
e5c83d9b DS |
1 | /* |
2 | * Zebra connect code. | |
3 | * Copyright (C) 2018 Cumulus Networks, Inc. | |
4 | * Donald Sharp | |
5 | * | |
6 | * FRR 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 | * FRR 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 | * | |
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 "thread.h" | |
23 | #include "command.h" | |
24 | #include "network.h" | |
25 | #include "prefix.h" | |
26 | #include "routemap.h" | |
27 | #include "table.h" | |
28 | #include "stream.h" | |
29 | #include "memory.h" | |
30 | #include "zclient.h" | |
31 | #include "filter.h" | |
32 | #include "plist.h" | |
33 | #include "log.h" | |
34 | #include "nexthop.h" | |
35 | #include "nexthop_group.h" | |
36 | ||
37 | #include "pbr_nht.h" | |
38 | #include "pbr_map.h" | |
39 | #include "pbr_memory.h" | |
40 | #include "pbr_zebra.h" | |
41 | #include "pbr_debug.h" | |
42 | ||
43 | DEFINE_MTYPE_STATIC(PBRD, PBR_INTERFACE, "PBR Interface") | |
44 | ||
45 | /* Zebra structure to hold current status. */ | |
46 | struct zclient *zclient = NULL; | |
47 | ||
48 | /* For registering threads. */ | |
49 | extern struct thread_master *master; | |
50 | ||
51 | static struct interface *zebra_interface_if_lookup(struct stream *s) | |
52 | { | |
53 | char ifname_tmp[INTERFACE_NAMSIZ]; | |
54 | ||
55 | /* Read interface name. */ | |
56 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
57 | ||
58 | /* And look it up. */ | |
59 | return if_lookup_by_name(ifname_tmp, VRF_DEFAULT); | |
60 | } | |
61 | ||
62 | static struct pbr_interface *pbr_if_new(struct interface *ifp) | |
63 | { | |
64 | struct pbr_interface *pbr_ifp; | |
65 | ||
66 | zassert(ifp); | |
67 | zassert(!ifp->info); | |
68 | ||
69 | pbr_ifp = XCALLOC(MTYPE_PBR_INTERFACE, sizeof(*pbr_ifp)); | |
70 | ||
71 | if (!pbr_ifp) { | |
72 | zlog_err("%s: PBR XCALLOC(%zu) failure", __PRETTY_FUNCTION__, | |
73 | sizeof(*pbr_ifp)); | |
74 | return 0; | |
75 | } | |
76 | ||
77 | return (pbr_ifp); | |
78 | } | |
79 | ||
80 | /* Inteface addition message from zebra. */ | |
81 | static int interface_add(int command, struct zclient *zclient, | |
82 | zebra_size_t length, vrf_id_t vrf_id) | |
83 | { | |
84 | struct interface *ifp; | |
85 | ||
86 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
87 | ||
88 | if (!ifp) | |
89 | return 0; | |
90 | ||
91 | if (!ifp->info) { | |
92 | struct pbr_interface *pbr_ifp; | |
93 | ||
94 | pbr_ifp = pbr_if_new(ifp); | |
95 | ifp->info = pbr_ifp; | |
96 | } | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
101 | static int interface_delete(int command, struct zclient *zclient, | |
102 | zebra_size_t length, vrf_id_t vrf_id) | |
103 | { | |
104 | struct interface *ifp; | |
105 | struct stream *s; | |
106 | ||
107 | s = zclient->ibuf; | |
108 | /* zebra_interface_state_read () updates interface structure in iflist | |
109 | */ | |
110 | ifp = zebra_interface_state_read(s, vrf_id); | |
111 | ||
112 | if (ifp == NULL) | |
113 | return 0; | |
114 | ||
115 | if_set_index(ifp, IFINDEX_INTERNAL); | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | static int interface_address_add(int command, struct zclient *zclient, | |
121 | zebra_size_t length, vrf_id_t vrf_id) | |
122 | { | |
123 | zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
128 | static int interface_address_delete(int command, struct zclient *zclient, | |
129 | zebra_size_t length, vrf_id_t vrf_id) | |
130 | { | |
131 | struct connected *c; | |
132 | ||
133 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
134 | ||
135 | if (!c) | |
136 | return 0; | |
137 | ||
138 | connected_free(c); | |
139 | return 0; | |
140 | } | |
141 | ||
142 | static int interface_state_up(int command, struct zclient *zclient, | |
143 | zebra_size_t length, vrf_id_t vrf_id) | |
144 | { | |
145 | ||
146 | zebra_interface_if_lookup(zclient->ibuf); | |
147 | ||
148 | return 0; | |
149 | } | |
150 | ||
151 | static int interface_state_down(int command, struct zclient *zclient, | |
152 | zebra_size_t length, vrf_id_t vrf_id) | |
153 | { | |
154 | ||
155 | zebra_interface_state_read(zclient->ibuf, vrf_id); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | static int route_notify_owner(int command, struct zclient *zclient, | |
161 | zebra_size_t length, vrf_id_t vrf_id) | |
162 | { | |
163 | struct prefix p; | |
164 | enum zapi_route_notify_owner note; | |
165 | uint32_t table_id; | |
166 | char buf[PREFIX_STRLEN]; | |
167 | ||
168 | prefix2str(&p, buf, sizeof(buf)); | |
169 | ||
170 | if (!zapi_route_notify_decode(zclient->ibuf, &p, &table_id, ¬e)) | |
171 | return -1; | |
172 | ||
173 | switch (note) { | |
174 | case ZAPI_ROUTE_FAIL_INSTALL: | |
175 | DEBUGD(&pbr_dbg_zebra, | |
176 | "%s: [%s] Route install failure for table: %u", | |
177 | __PRETTY_FUNCTION__, buf, table_id); | |
178 | break; | |
179 | case ZAPI_ROUTE_BETTER_ADMIN_WON: | |
180 | DEBUGD(&pbr_dbg_zebra, | |
181 | "%s: [%s] Route better admin distance won for table: %u", | |
182 | __PRETTY_FUNCTION__, buf, table_id); | |
183 | break; | |
184 | case ZAPI_ROUTE_INSTALLED: | |
185 | DEBUGD(&pbr_dbg_zebra, | |
186 | "%s: [%s] Route installed succeeded for table: %u", | |
187 | __PRETTY_FUNCTION__, buf, table_id); | |
188 | pbr_nht_route_installed_for_table(table_id); | |
189 | break; | |
190 | case ZAPI_ROUTE_REMOVED: | |
191 | DEBUGD(&pbr_dbg_zebra, | |
192 | "%s: [%s] Route Removed succeeded for table: %u", | |
193 | __PRETTY_FUNCTION__, buf, table_id); | |
194 | pbr_nht_route_removed_for_table(table_id); | |
195 | break; | |
196 | case ZAPI_ROUTE_REMOVE_FAIL: | |
197 | DEBUGD(&pbr_dbg_zebra, | |
198 | "%s: [%s] Route remove fail for table: %u", | |
199 | __PRETTY_FUNCTION__, buf, table_id); | |
200 | break; | |
201 | } | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
206 | static int rule_notify_owner(int command, struct zclient *zclient, | |
207 | zebra_size_t length, vrf_id_t vrf_id) | |
208 | { | |
209 | uint32_t seqno, priority, unique; | |
210 | enum zapi_rule_notify_owner note; | |
211 | struct pbr_map_sequence *pbrms; | |
212 | ifindex_t ifi; | |
213 | ||
214 | if (!zapi_rule_notify_decode(zclient->ibuf, &seqno, &priority, &unique, | |
215 | &ifi, ¬e)) | |
216 | return -1; | |
217 | ||
218 | pbrms = pbrms_lookup_unique(unique, ifi); | |
219 | if (!pbrms) { | |
220 | DEBUGD(&pbr_dbg_zebra, | |
221 | "%s: Failure to lookup pbrms based upon %u", | |
222 | __PRETTY_FUNCTION__, unique); | |
223 | return 0; | |
224 | } | |
225 | ||
226 | switch (note) { | |
227 | case ZAPI_RULE_FAIL_INSTALL: | |
228 | DEBUGD(&pbr_dbg_zebra, "%s: Recieved RULE_FAIL_INSTALL", | |
229 | __PRETTY_FUNCTION__); | |
230 | pbrms->installed = false; | |
231 | break; | |
232 | case ZAPI_RULE_INSTALLED: | |
233 | pbrms->installed = true; | |
234 | DEBUGD(&pbr_dbg_zebra, "%s: Recived RULE_INSTALLED", | |
235 | __PRETTY_FUNCTION__); | |
236 | break; | |
237 | case ZAPI_RULE_REMOVED: | |
238 | DEBUGD(&pbr_dbg_zebra, "%s: Received RULE REMOVED", | |
239 | __PRETTY_FUNCTION__); | |
240 | break; | |
241 | } | |
242 | ||
243 | return 0; | |
244 | } | |
245 | ||
246 | static void zebra_connected(struct zclient *zclient) | |
247 | { | |
248 | zclient_send_reg_requests(zclient, VRF_DEFAULT); | |
249 | } | |
250 | ||
251 | static void route_add_helper(struct zapi_route *api, struct nexthop_group nhg, | |
252 | uint8_t install_afi) | |
253 | { | |
254 | struct zapi_nexthop *api_nh; | |
255 | struct nexthop *nhop; | |
256 | int i; | |
257 | ||
258 | api->prefix.family = install_afi; | |
259 | ||
260 | i = 0; | |
261 | for (ALL_NEXTHOPS(nhg, nhop)) { | |
262 | api_nh = &api->nexthops[i]; | |
263 | api_nh->vrf_id = nhop->vrf_id; | |
264 | api_nh->type = nhop->type; | |
265 | switch (nhop->type) { | |
266 | case NEXTHOP_TYPE_IPV4: | |
267 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
268 | break; | |
269 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
270 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
271 | api_nh->ifindex = nhop->ifindex; | |
272 | break; | |
273 | case NEXTHOP_TYPE_IFINDEX: | |
274 | api_nh->ifindex = nhop->ifindex; | |
275 | break; | |
276 | case NEXTHOP_TYPE_IPV6: | |
277 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
278 | break; | |
279 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
280 | api_nh->ifindex = nhop->ifindex; | |
281 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
282 | break; | |
283 | case NEXTHOP_TYPE_BLACKHOLE: | |
284 | api_nh->bh_type = nhop->bh_type; | |
285 | break; | |
286 | } | |
287 | i++; | |
288 | } | |
289 | api->nexthop_num = i; | |
290 | ||
291 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, api); | |
292 | } | |
293 | ||
294 | /* | |
295 | * This function assumes a default route is being | |
296 | * installed into the appropriate tableid | |
297 | */ | |
298 | void route_add(struct pbr_nexthop_group_cache *pnhgc, struct nexthop_group nhg, | |
299 | afi_t install_afi) | |
300 | { | |
301 | struct zapi_route api; | |
302 | ||
303 | memset(&api, 0, sizeof(api)); | |
304 | ||
305 | api.vrf_id = VRF_DEFAULT; | |
306 | api.type = ZEBRA_ROUTE_PBR; | |
307 | api.safi = SAFI_UNICAST; | |
308 | /* | |
309 | * Sending a default route | |
310 | */ | |
311 | api.tableid = pnhgc->table_id; | |
312 | SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION); | |
313 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
314 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
315 | switch (install_afi) { | |
316 | case AFI_MAX: | |
317 | route_add_helper(&api, nhg, AF_INET); | |
318 | route_add_helper(&api, nhg, AF_INET6); | |
319 | break; | |
320 | case AFI_IP: | |
321 | route_add_helper(&api, nhg, AF_INET); | |
322 | break; | |
323 | case AFI_IP6: | |
324 | route_add_helper(&api, nhg, AF_INET6); | |
325 | break; | |
326 | case AFI_L2VPN: | |
327 | DEBUGD(&pbr_dbg_zebra, | |
328 | "%s: Asked to install unsupported route type: L2VPN", | |
329 | __PRETTY_FUNCTION__); | |
330 | break; | |
331 | } | |
332 | } | |
333 | ||
334 | /* | |
335 | * This function assumes a default route is being | |
336 | * removed from the appropriate tableid | |
337 | */ | |
338 | void route_delete(struct pbr_nexthop_group_cache *pnhgc, afi_t afi) | |
339 | { | |
340 | struct zapi_route api; | |
341 | ||
342 | memset(&api, 0, sizeof(api)); | |
343 | api.vrf_id = VRF_DEFAULT; | |
344 | api.type = ZEBRA_ROUTE_PBR; | |
345 | api.safi = SAFI_UNICAST; | |
346 | ||
347 | api.tableid = pnhgc->table_id; | |
348 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
349 | ||
350 | switch (afi) { | |
351 | case AFI_IP: | |
352 | api.prefix.family = AF_INET; | |
353 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
354 | break; | |
355 | case AFI_IP6: | |
356 | api.prefix.family = AF_INET6; | |
357 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
358 | break; | |
359 | case AFI_MAX: | |
360 | api.prefix.family = AF_INET; | |
361 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
362 | api.prefix.family = AF_INET6; | |
363 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
364 | break; | |
365 | case AFI_L2VPN: | |
366 | DEBUGD(&pbr_dbg_zebra, | |
367 | "%s: Asked to delete unsupported route type: L2VPN", | |
368 | __PRETTY_FUNCTION__); | |
369 | break; | |
370 | } | |
371 | ||
372 | return; | |
373 | } | |
374 | ||
375 | static int pbr_zebra_nexthop_update(int command, struct zclient *zclient, | |
376 | zebra_size_t length, vrf_id_t vrf_id) | |
377 | { | |
378 | struct zapi_route nhr; | |
379 | char buf[PREFIX2STR_BUFFER]; | |
380 | uint32_t i; | |
381 | ||
382 | zapi_nexthop_update_decode(zclient->ibuf, &nhr); | |
383 | ||
384 | if (DEBUG_MODE_CHECK(&pbr_dbg_zebra, DEBUG_MODE_ALL)) { | |
385 | ||
386 | DEBUGD(&pbr_dbg_zebra, "%s: Received Nexthop update: %s", | |
387 | __PRETTY_FUNCTION__, | |
388 | prefix2str(&nhr.prefix, buf, sizeof(buf))); | |
389 | ||
390 | DEBUGD(&pbr_dbg_zebra, "%s: (\tNexthops(%u)", | |
391 | __PRETTY_FUNCTION__, nhr.nexthop_num); | |
392 | ||
393 | for (i = 0; i < nhr.nexthop_num; i++) { | |
394 | DEBUGD(&pbr_dbg_zebra, | |
395 | "%s: \tType: %d: vrf: %d, ifindex: %d gate: %s", | |
396 | __PRETTY_FUNCTION__, nhr.nexthops[i].type, | |
397 | nhr.nexthops[i].vrf_id, nhr.nexthops[i].ifindex, | |
398 | inet_ntoa(nhr.nexthops[i].gate.ipv4)); | |
399 | } | |
400 | } | |
401 | ||
402 | pbr_nht_nexthop_update(&nhr); | |
403 | return 1; | |
404 | } | |
405 | ||
406 | extern struct zebra_privs_t pbr_privs; | |
407 | ||
408 | void pbr_zebra_init(void) | |
409 | { | |
410 | struct zclient_options opt = { .receive_notify = true }; | |
411 | ||
412 | zclient = zclient_new_notify(master, &opt); | |
413 | ||
414 | zclient_init(zclient, ZEBRA_ROUTE_PBR, 0, &pbr_privs); | |
415 | zclient->zebra_connected = zebra_connected; | |
416 | zclient->interface_add = interface_add; | |
417 | zclient->interface_delete = interface_delete; | |
418 | zclient->interface_up = interface_state_up; | |
419 | zclient->interface_down = interface_state_down; | |
420 | zclient->interface_address_add = interface_address_add; | |
421 | zclient->interface_address_delete = interface_address_delete; | |
422 | zclient->route_notify_owner = route_notify_owner; | |
423 | zclient->rule_notify_owner = rule_notify_owner; | |
424 | zclient->nexthop_update = pbr_zebra_nexthop_update; | |
425 | } | |
426 | ||
427 | void pbr_send_rnh(struct nexthop *nhop, bool reg) | |
428 | { | |
429 | uint32_t command; | |
430 | struct prefix p; | |
431 | ||
432 | command = (reg) ? | |
433 | ZEBRA_NEXTHOP_REGISTER : ZEBRA_NEXTHOP_UNREGISTER; | |
434 | ||
435 | memset(&p, 0, sizeof(p)); | |
436 | switch(nhop->type) { | |
437 | case NEXTHOP_TYPE_IFINDEX: | |
438 | case NEXTHOP_TYPE_BLACKHOLE: | |
439 | return; | |
440 | case NEXTHOP_TYPE_IPV4: | |
441 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
442 | p.family = AF_INET; | |
443 | p.u.prefix4.s_addr = nhop->gate.ipv4.s_addr; | |
444 | p.prefixlen = 32; | |
445 | break; | |
446 | case NEXTHOP_TYPE_IPV6: | |
447 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
448 | p.family = AF_INET6; | |
449 | memcpy(&p.u.prefix6, &nhop->gate.ipv6, 16); | |
450 | p.prefixlen = 128; | |
451 | break; | |
452 | } | |
453 | ||
454 | if (zclient_send_rnh(zclient, command, &p, | |
455 | false, nhop->vrf_id) < 0) { | |
456 | zlog_warn("%s: Failure to send nexthop to zebra", | |
457 | __PRETTY_FUNCTION__); | |
458 | } | |
459 | } | |
460 | ||
461 | static void pbr_encode_pbr_map_sequence_prefix(struct stream *s, | |
462 | struct prefix *p, | |
463 | u_char family) | |
464 | { | |
465 | struct prefix any; | |
466 | ||
467 | if (!p) { | |
468 | memset(&any, 0, sizeof(any)); | |
469 | any.family = family; | |
470 | p = &any; | |
471 | } | |
472 | ||
473 | stream_putc(s, p->family); | |
474 | stream_putc(s, p->prefixlen); | |
475 | stream_put(s, &p->u.prefix, prefix_blen(p)); | |
476 | } | |
477 | ||
478 | static void pbr_encode_pbr_map_sequence(struct stream *s, | |
479 | struct pbr_map_sequence *pbrms, | |
480 | struct interface *ifp) | |
481 | { | |
482 | u_char family; | |
483 | ||
484 | family = AF_INET; | |
485 | if (pbrms->src) | |
486 | family = pbrms->src->family; | |
487 | ||
488 | if (pbrms->dst) | |
489 | family = pbrms->dst->family; | |
490 | ||
491 | stream_putl(s, pbrms->seqno); | |
492 | stream_putl(s, pbrms->ruleno); | |
493 | stream_putl(s, pbrms->unique); | |
494 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->src, family); | |
495 | stream_putw(s, 0); /* src port */ | |
496 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->dst, family); | |
497 | stream_putw(s, 0); /* dst port */ | |
498 | if (pbrms->nhgrp_name) | |
499 | stream_putl(s, pbr_nht_get_table(pbrms->nhgrp_name)); | |
500 | else if (pbrms->nhg) | |
501 | stream_putl(s, pbr_nht_get_table(pbrms->internal_nhg_name)); | |
502 | stream_putl(s, ifp->ifindex); | |
503 | } | |
504 | ||
505 | void pbr_send_pbr_map(struct pbr_map *pbrm, bool install) | |
506 | { | |
507 | struct listnode *inode, *snode; | |
508 | struct pbr_map_sequence *pbrms; | |
509 | struct pbr_map_interface *pmi; | |
510 | struct stream *s; | |
511 | uint32_t total; | |
512 | ssize_t tspot; | |
513 | ||
514 | DEBUGD(&pbr_dbg_zebra, "%s: for %s %d", __PRETTY_FUNCTION__, pbrm->name, | |
515 | install); | |
516 | ||
517 | s = zclient->obuf; | |
518 | stream_reset(s); | |
519 | ||
520 | zclient_create_header(s, | |
521 | install ? ZEBRA_RULE_ADD : ZEBRA_RULE_DELETE, | |
522 | VRF_DEFAULT); | |
523 | ||
524 | total = 0; | |
525 | tspot = stream_get_endp(s); | |
526 | stream_putl(s, 0); | |
527 | for (ALL_LIST_ELEMENTS_RO(pbrm->incoming, inode, pmi)) { | |
528 | ||
529 | DEBUGD(&pbr_dbg_zebra, "%s: \t%s %s %d %s %u", | |
530 | __PRETTY_FUNCTION__, install ? "Installing" : "Deleting", | |
531 | pbrm->name, install, pmi->ifp->name, pmi->delete); | |
532 | ||
533 | if (!install && pmi->delete) { | |
534 | for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, snode, | |
535 | pbrms)) { | |
536 | pbr_encode_pbr_map_sequence(s, | |
537 | pbrms, pmi->ifp); | |
538 | total++; | |
539 | } | |
540 | continue; | |
541 | } | |
542 | ||
543 | for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, snode, pbrms)) { | |
544 | ||
545 | DEBUGD(&pbr_dbg_zebra, "%s: \tSeqno: %u %ld valid %u", | |
546 | __PRETTY_FUNCTION__, pbrms->seqno, pbrms->reason, | |
547 | pbrm->valid); | |
548 | ||
549 | if (!install && | |
550 | !(pbrms->reason & PBR_MAP_DEL_SEQUENCE_NUMBER)) | |
551 | continue; | |
552 | ||
553 | if (!install && !pbrms->installed) | |
554 | continue; | |
555 | ||
556 | if (install && pbrms->installed) | |
557 | continue; | |
558 | ||
559 | DEBUGD(&pbr_dbg_zebra, "%s: \t Seq: %u ifp %s", | |
560 | __PRETTY_FUNCTION__, pbrms->seqno, | |
561 | pmi->ifp->name); | |
562 | ||
563 | pbr_encode_pbr_map_sequence(s, pbrms, pmi->ifp); | |
564 | total++; | |
565 | } | |
566 | } | |
567 | ||
568 | DEBUGD(&pbr_dbg_zebra, "%s: Putting %u at %zu ", __PRETTY_FUNCTION__, | |
569 | total, tspot); | |
570 | ||
571 | stream_putl_at(s, tspot, total); | |
572 | stream_putw_at(s, 0, stream_get_endp(s)); | |
573 | ||
574 | if (!total) { | |
575 | stream_reset(s); | |
576 | return; | |
577 | } | |
578 | zclient_send_message(zclient); | |
579 | } |