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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. */ | |
d3765386 | 46 | struct zclient *zclient; |
e5c83d9b | 47 | |
b13e5ad6 | 48 | struct pbr_interface *pbr_if_new(struct interface *ifp) |
e5c83d9b DS |
49 | { |
50 | struct pbr_interface *pbr_ifp; | |
51 | ||
52 | zassert(ifp); | |
53 | zassert(!ifp->info); | |
54 | ||
55 | pbr_ifp = XCALLOC(MTYPE_PBR_INTERFACE, sizeof(*pbr_ifp)); | |
56 | ||
10a00758 DS |
57 | ifp->info = pbr_ifp; |
58 | return pbr_ifp; | |
e5c83d9b DS |
59 | } |
60 | ||
61 | /* Inteface addition message from zebra. */ | |
62 | static int interface_add(int command, struct zclient *zclient, | |
63 | zebra_size_t length, vrf_id_t vrf_id) | |
64 | { | |
65 | struct interface *ifp; | |
66 | ||
67 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
68 | ||
69 | if (!ifp) | |
70 | return 0; | |
71 | ||
2f61710b DS |
72 | DEBUGD(&pbr_dbg_zebra, |
73 | "%s: %s", __PRETTY_FUNCTION__, ifp->name); | |
74 | ||
10a00758 DS |
75 | if (!ifp->info) |
76 | pbr_if_new(ifp); | |
e5c83d9b | 77 | |
a106a408 RW |
78 | pbr_nht_nexthop_interface_update(ifp); |
79 | ||
e5c83d9b DS |
80 | return 0; |
81 | } | |
82 | ||
83 | static int interface_delete(int command, struct zclient *zclient, | |
84 | zebra_size_t length, vrf_id_t vrf_id) | |
85 | { | |
86 | struct interface *ifp; | |
87 | struct stream *s; | |
88 | ||
89 | s = zclient->ibuf; | |
90 | /* zebra_interface_state_read () updates interface structure in iflist | |
91 | */ | |
92 | ifp = zebra_interface_state_read(s, vrf_id); | |
93 | ||
94 | if (ifp == NULL) | |
95 | return 0; | |
96 | ||
2f61710b DS |
97 | DEBUGD(&pbr_dbg_zebra, |
98 | "%s: %s", __PRETTY_FUNCTION__, ifp->name); | |
99 | ||
e5c83d9b DS |
100 | if_set_index(ifp, IFINDEX_INTERNAL); |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
105 | static int interface_address_add(int command, struct zclient *zclient, | |
106 | zebra_size_t length, vrf_id_t vrf_id) | |
107 | { | |
2f61710b DS |
108 | struct connected *c; |
109 | char buf[PREFIX_STRLEN]; | |
110 | ||
111 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
112 | ||
113 | DEBUGD(&pbr_dbg_zebra, | |
114 | "%s: %s added %s", __PRETTY_FUNCTION__, c->ifp->name, | |
115 | prefix2str(c->address, buf, sizeof(buf))); | |
e5c83d9b DS |
116 | |
117 | return 0; | |
118 | } | |
119 | ||
120 | static int interface_address_delete(int command, struct zclient *zclient, | |
121 | zebra_size_t length, vrf_id_t vrf_id) | |
122 | { | |
123 | struct connected *c; | |
2f61710b | 124 | char buf[PREFIX_STRLEN]; |
e5c83d9b DS |
125 | |
126 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
127 | ||
128 | if (!c) | |
129 | return 0; | |
130 | ||
2f61710b DS |
131 | DEBUGD(&pbr_dbg_zebra, |
132 | "%s: %s deleted %s", __PRETTY_FUNCTION__, c->ifp->name, | |
133 | prefix2str(c->address, buf, sizeof(buf))); | |
134 | ||
e5c83d9b DS |
135 | connected_free(c); |
136 | return 0; | |
137 | } | |
138 | ||
139 | static int interface_state_up(int command, struct zclient *zclient, | |
140 | zebra_size_t length, vrf_id_t vrf_id) | |
141 | { | |
2f61710b DS |
142 | struct interface *ifp; |
143 | ||
144 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
e5c83d9b | 145 | |
2f61710b DS |
146 | DEBUGD(&pbr_dbg_zebra, |
147 | "%s: %s is up", __PRETTY_FUNCTION__, ifp->name); | |
e5c83d9b | 148 | |
a106a408 RW |
149 | pbr_nht_nexthop_interface_update(ifp); |
150 | ||
e5c83d9b DS |
151 | return 0; |
152 | } | |
153 | ||
154 | static int interface_state_down(int command, struct zclient *zclient, | |
155 | zebra_size_t length, vrf_id_t vrf_id) | |
156 | { | |
2f61710b | 157 | struct interface *ifp; |
e5c83d9b | 158 | |
2f61710b DS |
159 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); |
160 | ||
161 | DEBUGD(&pbr_dbg_zebra, | |
162 | "%s: %s is down", __PRETTY_FUNCTION__, ifp->name); | |
e5c83d9b | 163 | |
a106a408 RW |
164 | pbr_nht_nexthop_interface_update(ifp); |
165 | ||
e5c83d9b DS |
166 | return 0; |
167 | } | |
168 | ||
169 | static int route_notify_owner(int command, struct zclient *zclient, | |
170 | zebra_size_t length, vrf_id_t vrf_id) | |
171 | { | |
172 | struct prefix p; | |
173 | enum zapi_route_notify_owner note; | |
174 | uint32_t table_id; | |
175 | char buf[PREFIX_STRLEN]; | |
176 | ||
e5c83d9b DS |
177 | if (!zapi_route_notify_decode(zclient->ibuf, &p, &table_id, ¬e)) |
178 | return -1; | |
179 | ||
2f61710b DS |
180 | prefix2str(&p, buf, sizeof(buf)); |
181 | ||
e5c83d9b DS |
182 | switch (note) { |
183 | case ZAPI_ROUTE_FAIL_INSTALL: | |
184 | DEBUGD(&pbr_dbg_zebra, | |
185 | "%s: [%s] Route install failure for table: %u", | |
186 | __PRETTY_FUNCTION__, buf, table_id); | |
187 | break; | |
188 | case ZAPI_ROUTE_BETTER_ADMIN_WON: | |
189 | DEBUGD(&pbr_dbg_zebra, | |
190 | "%s: [%s] Route better admin distance won for table: %u", | |
191 | __PRETTY_FUNCTION__, buf, table_id); | |
192 | break; | |
193 | case ZAPI_ROUTE_INSTALLED: | |
194 | DEBUGD(&pbr_dbg_zebra, | |
195 | "%s: [%s] Route installed succeeded for table: %u", | |
196 | __PRETTY_FUNCTION__, buf, table_id); | |
197 | pbr_nht_route_installed_for_table(table_id); | |
198 | break; | |
199 | case ZAPI_ROUTE_REMOVED: | |
200 | DEBUGD(&pbr_dbg_zebra, | |
201 | "%s: [%s] Route Removed succeeded for table: %u", | |
202 | __PRETTY_FUNCTION__, buf, table_id); | |
203 | pbr_nht_route_removed_for_table(table_id); | |
204 | break; | |
205 | case ZAPI_ROUTE_REMOVE_FAIL: | |
206 | DEBUGD(&pbr_dbg_zebra, | |
207 | "%s: [%s] Route remove fail for table: %u", | |
208 | __PRETTY_FUNCTION__, buf, table_id); | |
209 | break; | |
210 | } | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | static int rule_notify_owner(int command, struct zclient *zclient, | |
216 | zebra_size_t length, vrf_id_t vrf_id) | |
217 | { | |
218 | uint32_t seqno, priority, unique; | |
219 | enum zapi_rule_notify_owner note; | |
220 | struct pbr_map_sequence *pbrms; | |
37c606ff | 221 | struct pbr_map_interface *pmi; |
e5c83d9b | 222 | ifindex_t ifi; |
37c606ff | 223 | uint64_t installed; |
e5c83d9b DS |
224 | |
225 | if (!zapi_rule_notify_decode(zclient->ibuf, &seqno, &priority, &unique, | |
226 | &ifi, ¬e)) | |
227 | return -1; | |
228 | ||
37c606ff DS |
229 | pmi = NULL; |
230 | pbrms = pbrms_lookup_unique(unique, ifi, &pmi); | |
e5c83d9b DS |
231 | if (!pbrms) { |
232 | DEBUGD(&pbr_dbg_zebra, | |
233 | "%s: Failure to lookup pbrms based upon %u", | |
234 | __PRETTY_FUNCTION__, unique); | |
235 | return 0; | |
236 | } | |
237 | ||
37c606ff DS |
238 | installed = 1 << pmi->install_bit; |
239 | ||
e5c83d9b DS |
240 | switch (note) { |
241 | case ZAPI_RULE_FAIL_INSTALL: | |
37c606ff | 242 | pbrms->installed &= ~installed; |
fa0069c6 DS |
243 | DEBUGD(&pbr_dbg_zebra, |
244 | "%s: Received RULE_FAIL_INSTALL: %" PRIu64, | |
2f61710b | 245 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b DS |
246 | break; |
247 | case ZAPI_RULE_INSTALLED: | |
37c606ff | 248 | pbrms->installed |= installed; |
fa0069c6 | 249 | DEBUGD(&pbr_dbg_zebra, "%s: Received RULE_INSTALLED: %" PRIu64, |
2f61710b | 250 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b | 251 | break; |
373dd3b5 | 252 | case ZAPI_RULE_FAIL_REMOVE: |
e5c83d9b | 253 | case ZAPI_RULE_REMOVED: |
0f03639d | 254 | pbrms->installed &= ~installed; |
fa0069c6 | 255 | DEBUGD(&pbr_dbg_zebra, "%s: Received RULE REMOVED: %" PRIu64, |
2f61710b | 256 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b DS |
257 | break; |
258 | } | |
259 | ||
38e9ccde DS |
260 | pbr_map_final_interface_deletion(pbrms->parent, pmi); |
261 | ||
e5c83d9b DS |
262 | return 0; |
263 | } | |
264 | ||
265 | static void zebra_connected(struct zclient *zclient) | |
266 | { | |
2f61710b DS |
267 | DEBUGD(&pbr_dbg_zebra, "%s: Registering for fun and profit", |
268 | __PRETTY_FUNCTION__); | |
e5c83d9b DS |
269 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
270 | } | |
271 | ||
272 | static void route_add_helper(struct zapi_route *api, struct nexthop_group nhg, | |
273 | uint8_t install_afi) | |
274 | { | |
275 | struct zapi_nexthop *api_nh; | |
2f61710b | 276 | char buf[PREFIX_STRLEN]; |
e5c83d9b DS |
277 | struct nexthop *nhop; |
278 | int i; | |
279 | ||
280 | api->prefix.family = install_afi; | |
281 | ||
2f61710b DS |
282 | DEBUGD(&pbr_dbg_zebra, "\tEncoding %s", |
283 | prefix2str(&api->prefix, buf, sizeof(buf))); | |
284 | ||
e5c83d9b DS |
285 | i = 0; |
286 | for (ALL_NEXTHOPS(nhg, nhop)) { | |
287 | api_nh = &api->nexthops[i]; | |
288 | api_nh->vrf_id = nhop->vrf_id; | |
289 | api_nh->type = nhop->type; | |
290 | switch (nhop->type) { | |
291 | case NEXTHOP_TYPE_IPV4: | |
292 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
293 | break; | |
294 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
295 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
296 | api_nh->ifindex = nhop->ifindex; | |
297 | break; | |
298 | case NEXTHOP_TYPE_IFINDEX: | |
299 | api_nh->ifindex = nhop->ifindex; | |
300 | break; | |
301 | case NEXTHOP_TYPE_IPV6: | |
302 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
303 | break; | |
304 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
305 | api_nh->ifindex = nhop->ifindex; | |
306 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
307 | break; | |
308 | case NEXTHOP_TYPE_BLACKHOLE: | |
309 | api_nh->bh_type = nhop->bh_type; | |
310 | break; | |
311 | } | |
312 | i++; | |
313 | } | |
314 | api->nexthop_num = i; | |
315 | ||
316 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, api); | |
317 | } | |
318 | ||
319 | /* | |
320 | * This function assumes a default route is being | |
321 | * installed into the appropriate tableid | |
322 | */ | |
323 | void route_add(struct pbr_nexthop_group_cache *pnhgc, struct nexthop_group nhg, | |
324 | afi_t install_afi) | |
325 | { | |
326 | struct zapi_route api; | |
327 | ||
2f61710b DS |
328 | DEBUGD(&pbr_dbg_zebra, "%s for Table: %d", __PRETTY_FUNCTION__, |
329 | pnhgc->table_id); | |
330 | ||
e5c83d9b DS |
331 | memset(&api, 0, sizeof(api)); |
332 | ||
333 | api.vrf_id = VRF_DEFAULT; | |
334 | api.type = ZEBRA_ROUTE_PBR; | |
335 | api.safi = SAFI_UNICAST; | |
336 | /* | |
337 | * Sending a default route | |
338 | */ | |
339 | api.tableid = pnhgc->table_id; | |
340 | SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION); | |
341 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
342 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
343 | switch (install_afi) { | |
344 | case AFI_MAX: | |
345 | route_add_helper(&api, nhg, AF_INET); | |
346 | route_add_helper(&api, nhg, AF_INET6); | |
347 | break; | |
348 | case AFI_IP: | |
349 | route_add_helper(&api, nhg, AF_INET); | |
350 | break; | |
351 | case AFI_IP6: | |
352 | route_add_helper(&api, nhg, AF_INET6); | |
353 | break; | |
354 | case AFI_L2VPN: | |
355 | DEBUGD(&pbr_dbg_zebra, | |
356 | "%s: Asked to install unsupported route type: L2VPN", | |
357 | __PRETTY_FUNCTION__); | |
358 | break; | |
359 | } | |
360 | } | |
361 | ||
362 | /* | |
363 | * This function assumes a default route is being | |
364 | * removed from the appropriate tableid | |
365 | */ | |
366 | void route_delete(struct pbr_nexthop_group_cache *pnhgc, afi_t afi) | |
367 | { | |
368 | struct zapi_route api; | |
369 | ||
2f61710b DS |
370 | DEBUGD(&pbr_dbg_zebra, "%s for Table: %d", __PRETTY_FUNCTION__, |
371 | pnhgc->table_id); | |
372 | ||
e5c83d9b DS |
373 | memset(&api, 0, sizeof(api)); |
374 | api.vrf_id = VRF_DEFAULT; | |
375 | api.type = ZEBRA_ROUTE_PBR; | |
376 | api.safi = SAFI_UNICAST; | |
377 | ||
378 | api.tableid = pnhgc->table_id; | |
379 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
380 | ||
381 | switch (afi) { | |
382 | case AFI_IP: | |
383 | api.prefix.family = AF_INET; | |
384 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
385 | break; | |
386 | case AFI_IP6: | |
387 | api.prefix.family = AF_INET6; | |
388 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
389 | break; | |
390 | case AFI_MAX: | |
391 | api.prefix.family = AF_INET; | |
392 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
393 | api.prefix.family = AF_INET6; | |
394 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
395 | break; | |
396 | case AFI_L2VPN: | |
397 | DEBUGD(&pbr_dbg_zebra, | |
398 | "%s: Asked to delete unsupported route type: L2VPN", | |
399 | __PRETTY_FUNCTION__); | |
400 | break; | |
401 | } | |
e5c83d9b DS |
402 | } |
403 | ||
404 | static int pbr_zebra_nexthop_update(int command, struct zclient *zclient, | |
405 | zebra_size_t length, vrf_id_t vrf_id) | |
406 | { | |
407 | struct zapi_route nhr; | |
408 | char buf[PREFIX2STR_BUFFER]; | |
409 | uint32_t i; | |
410 | ||
54317f2c A |
411 | if (!zapi_nexthop_update_decode(zclient->ibuf, &nhr)) { |
412 | zlog_warn("Failure to decode Nexthop update message"); | |
413 | return 0; | |
414 | } | |
e5c83d9b DS |
415 | |
416 | if (DEBUG_MODE_CHECK(&pbr_dbg_zebra, DEBUG_MODE_ALL)) { | |
417 | ||
418 | DEBUGD(&pbr_dbg_zebra, "%s: Received Nexthop update: %s", | |
419 | __PRETTY_FUNCTION__, | |
420 | prefix2str(&nhr.prefix, buf, sizeof(buf))); | |
421 | ||
422 | DEBUGD(&pbr_dbg_zebra, "%s: (\tNexthops(%u)", | |
423 | __PRETTY_FUNCTION__, nhr.nexthop_num); | |
424 | ||
425 | for (i = 0; i < nhr.nexthop_num; i++) { | |
426 | DEBUGD(&pbr_dbg_zebra, | |
427 | "%s: \tType: %d: vrf: %d, ifindex: %d gate: %s", | |
428 | __PRETTY_FUNCTION__, nhr.nexthops[i].type, | |
429 | nhr.nexthops[i].vrf_id, nhr.nexthops[i].ifindex, | |
430 | inet_ntoa(nhr.nexthops[i].gate.ipv4)); | |
431 | } | |
432 | } | |
433 | ||
434 | pbr_nht_nexthop_update(&nhr); | |
435 | return 1; | |
436 | } | |
437 | ||
438 | extern struct zebra_privs_t pbr_privs; | |
439 | ||
440 | void pbr_zebra_init(void) | |
441 | { | |
442 | struct zclient_options opt = { .receive_notify = true }; | |
443 | ||
26f63a1e | 444 | zclient = zclient_new(master, &opt); |
e5c83d9b DS |
445 | |
446 | zclient_init(zclient, ZEBRA_ROUTE_PBR, 0, &pbr_privs); | |
447 | zclient->zebra_connected = zebra_connected; | |
448 | zclient->interface_add = interface_add; | |
449 | zclient->interface_delete = interface_delete; | |
450 | zclient->interface_up = interface_state_up; | |
451 | zclient->interface_down = interface_state_down; | |
452 | zclient->interface_address_add = interface_address_add; | |
453 | zclient->interface_address_delete = interface_address_delete; | |
454 | zclient->route_notify_owner = route_notify_owner; | |
455 | zclient->rule_notify_owner = rule_notify_owner; | |
456 | zclient->nexthop_update = pbr_zebra_nexthop_update; | |
457 | } | |
458 | ||
459 | void pbr_send_rnh(struct nexthop *nhop, bool reg) | |
460 | { | |
461 | uint32_t command; | |
462 | struct prefix p; | |
463 | ||
464 | command = (reg) ? | |
465 | ZEBRA_NEXTHOP_REGISTER : ZEBRA_NEXTHOP_UNREGISTER; | |
466 | ||
467 | memset(&p, 0, sizeof(p)); | |
d3765386 | 468 | switch (nhop->type) { |
e5c83d9b DS |
469 | case NEXTHOP_TYPE_IFINDEX: |
470 | case NEXTHOP_TYPE_BLACKHOLE: | |
471 | return; | |
472 | case NEXTHOP_TYPE_IPV4: | |
473 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
474 | p.family = AF_INET; | |
475 | p.u.prefix4.s_addr = nhop->gate.ipv4.s_addr; | |
476 | p.prefixlen = 32; | |
477 | break; | |
478 | case NEXTHOP_TYPE_IPV6: | |
479 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
480 | p.family = AF_INET6; | |
481 | memcpy(&p.u.prefix6, &nhop->gate.ipv6, 16); | |
482 | p.prefixlen = 128; | |
483 | break; | |
484 | } | |
485 | ||
486 | if (zclient_send_rnh(zclient, command, &p, | |
487 | false, nhop->vrf_id) < 0) { | |
488 | zlog_warn("%s: Failure to send nexthop to zebra", | |
489 | __PRETTY_FUNCTION__); | |
490 | } | |
491 | } | |
492 | ||
493 | static void pbr_encode_pbr_map_sequence_prefix(struct stream *s, | |
494 | struct prefix *p, | |
49027ce8 | 495 | unsigned char family) |
e5c83d9b DS |
496 | { |
497 | struct prefix any; | |
498 | ||
499 | if (!p) { | |
500 | memset(&any, 0, sizeof(any)); | |
501 | any.family = family; | |
502 | p = &any; | |
503 | } | |
504 | ||
505 | stream_putc(s, p->family); | |
506 | stream_putc(s, p->prefixlen); | |
507 | stream_put(s, &p->u.prefix, prefix_blen(p)); | |
508 | } | |
509 | ||
510 | static void pbr_encode_pbr_map_sequence(struct stream *s, | |
511 | struct pbr_map_sequence *pbrms, | |
512 | struct interface *ifp) | |
513 | { | |
49027ce8 | 514 | unsigned char family; |
e5c83d9b DS |
515 | |
516 | family = AF_INET; | |
49027ce8 DS |
517 | if (pbrms->family) |
518 | family = pbrms->family; | |
e5c83d9b DS |
519 | |
520 | stream_putl(s, pbrms->seqno); | |
521 | stream_putl(s, pbrms->ruleno); | |
522 | stream_putl(s, pbrms->unique); | |
523 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->src, family); | |
524 | stream_putw(s, 0); /* src port */ | |
525 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->dst, family); | |
526 | stream_putw(s, 0); /* dst port */ | |
614827f8 | 527 | stream_putl(s, 0); /* fwmark */ |
e5c83d9b DS |
528 | if (pbrms->nhgrp_name) |
529 | stream_putl(s, pbr_nht_get_table(pbrms->nhgrp_name)); | |
530 | else if (pbrms->nhg) | |
531 | stream_putl(s, pbr_nht_get_table(pbrms->internal_nhg_name)); | |
532 | stream_putl(s, ifp->ifindex); | |
533 | } | |
534 | ||
b13e5ad6 DS |
535 | void pbr_send_pbr_map(struct pbr_map_sequence *pbrms, |
536 | struct pbr_map_interface *pmi, bool install) | |
e5c83d9b | 537 | { |
b13e5ad6 | 538 | struct pbr_map *pbrm = pbrms->parent; |
e5c83d9b | 539 | struct stream *s; |
10a00758 | 540 | uint64_t is_installed = (uint64_t)1 << pmi->install_bit; |
37c606ff DS |
541 | |
542 | is_installed &= pbrms->installed; | |
e5c83d9b | 543 | |
37c606ff DS |
544 | DEBUGD(&pbr_dbg_zebra, "%s: for %s %d(%" PRIu64 ")", |
545 | __PRETTY_FUNCTION__, pbrm->name, install, is_installed); | |
9b71ea4b DS |
546 | |
547 | /* | |
548 | * If we are installed and asked to do so again | |
549 | * just return. If we are not installed and asked | |
550 | * and asked to delete just return; | |
551 | */ | |
37c606ff | 552 | if (install && is_installed) |
9b71ea4b DS |
553 | return; |
554 | ||
37c606ff | 555 | if (!install && !is_installed) |
9b71ea4b | 556 | return; |
e5c83d9b DS |
557 | |
558 | s = zclient->obuf; | |
559 | stream_reset(s); | |
560 | ||
561 | zclient_create_header(s, | |
562 | install ? ZEBRA_RULE_ADD : ZEBRA_RULE_DELETE, | |
563 | VRF_DEFAULT); | |
564 | ||
b13e5ad6 DS |
565 | /* |
566 | * We are sending one item at a time at the moment | |
567 | */ | |
568 | stream_putl(s, 1); | |
e5c83d9b | 569 | |
b13e5ad6 DS |
570 | DEBUGD(&pbr_dbg_zebra, "%s: \t%s %s %d %s %u", |
571 | __PRETTY_FUNCTION__, install ? "Installing" : "Deleting", | |
572 | pbrm->name, install, pmi->ifp->name, pmi->delete); | |
e5c83d9b | 573 | |
b13e5ad6 | 574 | pbr_encode_pbr_map_sequence(s, pbrms, pmi->ifp); |
e5c83d9b | 575 | |
e5c83d9b DS |
576 | stream_putw_at(s, 0, stream_get_endp(s)); |
577 | ||
e5c83d9b DS |
578 | zclient_send_message(zclient); |
579 | } |