]>
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. */ | |
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. */ | |
121f9dee | 62 | static int interface_add(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
63 | { |
64 | struct interface *ifp; | |
65 | ||
66 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
67 | ||
68 | if (!ifp) | |
69 | return 0; | |
70 | ||
2f61710b DS |
71 | DEBUGD(&pbr_dbg_zebra, |
72 | "%s: %s", __PRETTY_FUNCTION__, ifp->name); | |
73 | ||
10a00758 DS |
74 | if (!ifp->info) |
75 | pbr_if_new(ifp); | |
e5c83d9b | 76 | |
a106a408 RW |
77 | pbr_nht_nexthop_interface_update(ifp); |
78 | ||
e5c83d9b DS |
79 | return 0; |
80 | } | |
81 | ||
121f9dee | 82 | static int interface_delete(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
83 | { |
84 | struct interface *ifp; | |
85 | struct stream *s; | |
86 | ||
87 | s = zclient->ibuf; | |
88 | /* zebra_interface_state_read () updates interface structure in iflist | |
89 | */ | |
90 | ifp = zebra_interface_state_read(s, vrf_id); | |
91 | ||
92 | if (ifp == NULL) | |
93 | return 0; | |
94 | ||
2f61710b DS |
95 | DEBUGD(&pbr_dbg_zebra, |
96 | "%s: %s", __PRETTY_FUNCTION__, ifp->name); | |
97 | ||
e5c83d9b DS |
98 | if_set_index(ifp, IFINDEX_INTERNAL); |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
121f9dee | 103 | static int interface_address_add(ZAPI_CALLBACK_ARGS) |
e5c83d9b | 104 | { |
2f61710b DS |
105 | struct connected *c; |
106 | char buf[PREFIX_STRLEN]; | |
107 | ||
121f9dee | 108 | c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
2f61710b DS |
109 | |
110 | DEBUGD(&pbr_dbg_zebra, | |
964c3dba DS |
111 | "%s: %s added %s", __PRETTY_FUNCTION__, |
112 | c ? c->ifp->name : "Unknown", | |
113 | c ? prefix2str(c->address, buf, sizeof(buf)) : "Unknown"); | |
e5c83d9b DS |
114 | |
115 | return 0; | |
116 | } | |
117 | ||
121f9dee | 118 | static int interface_address_delete(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
119 | { |
120 | struct connected *c; | |
2f61710b | 121 | char buf[PREFIX_STRLEN]; |
e5c83d9b | 122 | |
121f9dee | 123 | c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
e5c83d9b DS |
124 | |
125 | if (!c) | |
126 | return 0; | |
127 | ||
2f61710b DS |
128 | DEBUGD(&pbr_dbg_zebra, |
129 | "%s: %s deleted %s", __PRETTY_FUNCTION__, c->ifp->name, | |
130 | prefix2str(c->address, buf, sizeof(buf))); | |
131 | ||
e5c83d9b DS |
132 | connected_free(c); |
133 | return 0; | |
134 | } | |
135 | ||
121f9dee | 136 | static int interface_state_up(ZAPI_CALLBACK_ARGS) |
e5c83d9b | 137 | { |
2f61710b DS |
138 | struct interface *ifp; |
139 | ||
140 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
e5c83d9b | 141 | |
2f61710b DS |
142 | DEBUGD(&pbr_dbg_zebra, |
143 | "%s: %s is up", __PRETTY_FUNCTION__, ifp->name); | |
e5c83d9b | 144 | |
a106a408 RW |
145 | pbr_nht_nexthop_interface_update(ifp); |
146 | ||
e5c83d9b DS |
147 | return 0; |
148 | } | |
149 | ||
121f9dee | 150 | static int interface_state_down(ZAPI_CALLBACK_ARGS) |
e5c83d9b | 151 | { |
2f61710b | 152 | struct interface *ifp; |
e5c83d9b | 153 | |
2f61710b DS |
154 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); |
155 | ||
156 | DEBUGD(&pbr_dbg_zebra, | |
157 | "%s: %s is down", __PRETTY_FUNCTION__, ifp->name); | |
e5c83d9b | 158 | |
a106a408 RW |
159 | pbr_nht_nexthop_interface_update(ifp); |
160 | ||
e5c83d9b DS |
161 | return 0; |
162 | } | |
163 | ||
121f9dee | 164 | static int route_notify_owner(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
165 | { |
166 | struct prefix p; | |
167 | enum zapi_route_notify_owner note; | |
168 | uint32_t table_id; | |
169 | char buf[PREFIX_STRLEN]; | |
170 | ||
e5c83d9b DS |
171 | if (!zapi_route_notify_decode(zclient->ibuf, &p, &table_id, ¬e)) |
172 | return -1; | |
173 | ||
2f61710b DS |
174 | prefix2str(&p, buf, sizeof(buf)); |
175 | ||
e5c83d9b DS |
176 | switch (note) { |
177 | case ZAPI_ROUTE_FAIL_INSTALL: | |
178 | DEBUGD(&pbr_dbg_zebra, | |
179 | "%s: [%s] Route install failure for table: %u", | |
180 | __PRETTY_FUNCTION__, buf, table_id); | |
181 | break; | |
182 | case ZAPI_ROUTE_BETTER_ADMIN_WON: | |
183 | DEBUGD(&pbr_dbg_zebra, | |
184 | "%s: [%s] Route better admin distance won for table: %u", | |
185 | __PRETTY_FUNCTION__, buf, table_id); | |
186 | break; | |
187 | case ZAPI_ROUTE_INSTALLED: | |
188 | DEBUGD(&pbr_dbg_zebra, | |
189 | "%s: [%s] Route installed succeeded for table: %u", | |
190 | __PRETTY_FUNCTION__, buf, table_id); | |
191 | pbr_nht_route_installed_for_table(table_id); | |
192 | break; | |
193 | case ZAPI_ROUTE_REMOVED: | |
194 | DEBUGD(&pbr_dbg_zebra, | |
195 | "%s: [%s] Route Removed succeeded for table: %u", | |
196 | __PRETTY_FUNCTION__, buf, table_id); | |
197 | pbr_nht_route_removed_for_table(table_id); | |
198 | break; | |
199 | case ZAPI_ROUTE_REMOVE_FAIL: | |
200 | DEBUGD(&pbr_dbg_zebra, | |
201 | "%s: [%s] Route remove fail for table: %u", | |
202 | __PRETTY_FUNCTION__, buf, table_id); | |
203 | break; | |
204 | } | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
121f9dee | 209 | static int rule_notify_owner(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
210 | { |
211 | uint32_t seqno, priority, unique; | |
212 | enum zapi_rule_notify_owner note; | |
213 | struct pbr_map_sequence *pbrms; | |
37c606ff | 214 | struct pbr_map_interface *pmi; |
e5c83d9b | 215 | ifindex_t ifi; |
37c606ff | 216 | uint64_t installed; |
e5c83d9b DS |
217 | |
218 | if (!zapi_rule_notify_decode(zclient->ibuf, &seqno, &priority, &unique, | |
219 | &ifi, ¬e)) | |
220 | return -1; | |
221 | ||
37c606ff DS |
222 | pmi = NULL; |
223 | pbrms = pbrms_lookup_unique(unique, ifi, &pmi); | |
e5c83d9b DS |
224 | if (!pbrms) { |
225 | DEBUGD(&pbr_dbg_zebra, | |
226 | "%s: Failure to lookup pbrms based upon %u", | |
227 | __PRETTY_FUNCTION__, unique); | |
228 | return 0; | |
229 | } | |
230 | ||
37c606ff DS |
231 | installed = 1 << pmi->install_bit; |
232 | ||
e5c83d9b DS |
233 | switch (note) { |
234 | case ZAPI_RULE_FAIL_INSTALL: | |
37c606ff | 235 | pbrms->installed &= ~installed; |
fa0069c6 DS |
236 | DEBUGD(&pbr_dbg_zebra, |
237 | "%s: Received RULE_FAIL_INSTALL: %" PRIu64, | |
2f61710b | 238 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b DS |
239 | break; |
240 | case ZAPI_RULE_INSTALLED: | |
37c606ff | 241 | pbrms->installed |= installed; |
fa0069c6 | 242 | DEBUGD(&pbr_dbg_zebra, "%s: Received RULE_INSTALLED: %" PRIu64, |
2f61710b | 243 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b | 244 | break; |
373dd3b5 | 245 | case ZAPI_RULE_FAIL_REMOVE: |
e5c83d9b | 246 | case ZAPI_RULE_REMOVED: |
0f03639d | 247 | pbrms->installed &= ~installed; |
fa0069c6 | 248 | DEBUGD(&pbr_dbg_zebra, "%s: Received RULE REMOVED: %" PRIu64, |
2f61710b | 249 | __PRETTY_FUNCTION__, pbrms->installed); |
e5c83d9b DS |
250 | break; |
251 | } | |
252 | ||
38e9ccde DS |
253 | pbr_map_final_interface_deletion(pbrms->parent, pmi); |
254 | ||
e5c83d9b DS |
255 | return 0; |
256 | } | |
257 | ||
258 | static void zebra_connected(struct zclient *zclient) | |
259 | { | |
2f61710b DS |
260 | DEBUGD(&pbr_dbg_zebra, "%s: Registering for fun and profit", |
261 | __PRETTY_FUNCTION__); | |
e5c83d9b DS |
262 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
263 | } | |
264 | ||
265 | static void route_add_helper(struct zapi_route *api, struct nexthop_group nhg, | |
266 | uint8_t install_afi) | |
267 | { | |
268 | struct zapi_nexthop *api_nh; | |
2f61710b | 269 | char buf[PREFIX_STRLEN]; |
e5c83d9b DS |
270 | struct nexthop *nhop; |
271 | int i; | |
272 | ||
273 | api->prefix.family = install_afi; | |
274 | ||
2f61710b DS |
275 | DEBUGD(&pbr_dbg_zebra, "\tEncoding %s", |
276 | prefix2str(&api->prefix, buf, sizeof(buf))); | |
277 | ||
e5c83d9b DS |
278 | i = 0; |
279 | for (ALL_NEXTHOPS(nhg, nhop)) { | |
280 | api_nh = &api->nexthops[i]; | |
281 | api_nh->vrf_id = nhop->vrf_id; | |
282 | api_nh->type = nhop->type; | |
283 | switch (nhop->type) { | |
284 | case NEXTHOP_TYPE_IPV4: | |
285 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
286 | break; | |
287 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
288 | api_nh->gate.ipv4 = nhop->gate.ipv4; | |
289 | api_nh->ifindex = nhop->ifindex; | |
290 | break; | |
291 | case NEXTHOP_TYPE_IFINDEX: | |
292 | api_nh->ifindex = nhop->ifindex; | |
293 | break; | |
294 | case NEXTHOP_TYPE_IPV6: | |
295 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
296 | break; | |
297 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
298 | api_nh->ifindex = nhop->ifindex; | |
299 | memcpy(&api_nh->gate.ipv6, &nhop->gate.ipv6, 16); | |
300 | break; | |
301 | case NEXTHOP_TYPE_BLACKHOLE: | |
302 | api_nh->bh_type = nhop->bh_type; | |
303 | break; | |
304 | } | |
305 | i++; | |
306 | } | |
307 | api->nexthop_num = i; | |
308 | ||
309 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, api); | |
310 | } | |
311 | ||
312 | /* | |
313 | * This function assumes a default route is being | |
314 | * installed into the appropriate tableid | |
315 | */ | |
316 | void route_add(struct pbr_nexthop_group_cache *pnhgc, struct nexthop_group nhg, | |
317 | afi_t install_afi) | |
318 | { | |
319 | struct zapi_route api; | |
320 | ||
2f61710b DS |
321 | DEBUGD(&pbr_dbg_zebra, "%s for Table: %d", __PRETTY_FUNCTION__, |
322 | pnhgc->table_id); | |
323 | ||
e5c83d9b DS |
324 | memset(&api, 0, sizeof(api)); |
325 | ||
326 | api.vrf_id = VRF_DEFAULT; | |
327 | api.type = ZEBRA_ROUTE_PBR; | |
328 | api.safi = SAFI_UNICAST; | |
329 | /* | |
330 | * Sending a default route | |
331 | */ | |
332 | api.tableid = pnhgc->table_id; | |
333 | SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION); | |
334 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
335 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
336 | switch (install_afi) { | |
337 | case AFI_MAX: | |
338 | route_add_helper(&api, nhg, AF_INET); | |
339 | route_add_helper(&api, nhg, AF_INET6); | |
340 | break; | |
341 | case AFI_IP: | |
342 | route_add_helper(&api, nhg, AF_INET); | |
343 | break; | |
344 | case AFI_IP6: | |
345 | route_add_helper(&api, nhg, AF_INET6); | |
346 | break; | |
347 | case AFI_L2VPN: | |
348 | DEBUGD(&pbr_dbg_zebra, | |
349 | "%s: Asked to install unsupported route type: L2VPN", | |
350 | __PRETTY_FUNCTION__); | |
351 | break; | |
b26f891d SW |
352 | case AFI_UNSPEC: |
353 | DEBUGD(&pbr_dbg_zebra, | |
354 | "%s: Asked to install unspecified route type", | |
355 | __PRETTY_FUNCTION__); | |
356 | break; | |
e5c83d9b DS |
357 | } |
358 | } | |
359 | ||
360 | /* | |
361 | * This function assumes a default route is being | |
362 | * removed from the appropriate tableid | |
363 | */ | |
364 | void route_delete(struct pbr_nexthop_group_cache *pnhgc, afi_t afi) | |
365 | { | |
366 | struct zapi_route api; | |
367 | ||
2f61710b DS |
368 | DEBUGD(&pbr_dbg_zebra, "%s for Table: %d", __PRETTY_FUNCTION__, |
369 | pnhgc->table_id); | |
370 | ||
e5c83d9b DS |
371 | memset(&api, 0, sizeof(api)); |
372 | api.vrf_id = VRF_DEFAULT; | |
373 | api.type = ZEBRA_ROUTE_PBR; | |
374 | api.safi = SAFI_UNICAST; | |
375 | ||
376 | api.tableid = pnhgc->table_id; | |
377 | SET_FLAG(api.message, ZAPI_MESSAGE_TABLEID); | |
378 | ||
379 | switch (afi) { | |
380 | case AFI_IP: | |
381 | api.prefix.family = AF_INET; | |
382 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
383 | break; | |
384 | case AFI_IP6: | |
385 | api.prefix.family = AF_INET6; | |
386 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
387 | break; | |
388 | case AFI_MAX: | |
389 | api.prefix.family = AF_INET; | |
390 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
391 | api.prefix.family = AF_INET6; | |
392 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
393 | break; | |
394 | case AFI_L2VPN: | |
395 | DEBUGD(&pbr_dbg_zebra, | |
396 | "%s: Asked to delete unsupported route type: L2VPN", | |
397 | __PRETTY_FUNCTION__); | |
398 | break; | |
b26f891d SW |
399 | case AFI_UNSPEC: |
400 | DEBUGD(&pbr_dbg_zebra, | |
401 | "%s: Asked to delete unspecified route type", | |
402 | __PRETTY_FUNCTION__); | |
403 | break; | |
e5c83d9b | 404 | } |
e5c83d9b DS |
405 | } |
406 | ||
121f9dee | 407 | static int pbr_zebra_nexthop_update(ZAPI_CALLBACK_ARGS) |
e5c83d9b DS |
408 | { |
409 | struct zapi_route nhr; | |
410 | char buf[PREFIX2STR_BUFFER]; | |
411 | uint32_t i; | |
412 | ||
54317f2c A |
413 | if (!zapi_nexthop_update_decode(zclient->ibuf, &nhr)) { |
414 | zlog_warn("Failure to decode Nexthop update message"); | |
415 | return 0; | |
416 | } | |
e5c83d9b DS |
417 | |
418 | if (DEBUG_MODE_CHECK(&pbr_dbg_zebra, DEBUG_MODE_ALL)) { | |
419 | ||
420 | DEBUGD(&pbr_dbg_zebra, "%s: Received Nexthop update: %s", | |
421 | __PRETTY_FUNCTION__, | |
422 | prefix2str(&nhr.prefix, buf, sizeof(buf))); | |
423 | ||
424 | DEBUGD(&pbr_dbg_zebra, "%s: (\tNexthops(%u)", | |
425 | __PRETTY_FUNCTION__, nhr.nexthop_num); | |
426 | ||
427 | for (i = 0; i < nhr.nexthop_num; i++) { | |
428 | DEBUGD(&pbr_dbg_zebra, | |
429 | "%s: \tType: %d: vrf: %d, ifindex: %d gate: %s", | |
430 | __PRETTY_FUNCTION__, nhr.nexthops[i].type, | |
431 | nhr.nexthops[i].vrf_id, nhr.nexthops[i].ifindex, | |
432 | inet_ntoa(nhr.nexthops[i].gate.ipv4)); | |
433 | } | |
434 | } | |
435 | ||
436 | pbr_nht_nexthop_update(&nhr); | |
437 | return 1; | |
438 | } | |
439 | ||
440 | extern struct zebra_privs_t pbr_privs; | |
441 | ||
442 | void pbr_zebra_init(void) | |
443 | { | |
444 | struct zclient_options opt = { .receive_notify = true }; | |
445 | ||
26f63a1e | 446 | zclient = zclient_new(master, &opt); |
e5c83d9b DS |
447 | |
448 | zclient_init(zclient, ZEBRA_ROUTE_PBR, 0, &pbr_privs); | |
449 | zclient->zebra_connected = zebra_connected; | |
450 | zclient->interface_add = interface_add; | |
451 | zclient->interface_delete = interface_delete; | |
452 | zclient->interface_up = interface_state_up; | |
453 | zclient->interface_down = interface_state_down; | |
454 | zclient->interface_address_add = interface_address_add; | |
455 | zclient->interface_address_delete = interface_address_delete; | |
456 | zclient->route_notify_owner = route_notify_owner; | |
457 | zclient->rule_notify_owner = rule_notify_owner; | |
458 | zclient->nexthop_update = pbr_zebra_nexthop_update; | |
459 | } | |
460 | ||
461 | void pbr_send_rnh(struct nexthop *nhop, bool reg) | |
462 | { | |
463 | uint32_t command; | |
464 | struct prefix p; | |
465 | ||
466 | command = (reg) ? | |
467 | ZEBRA_NEXTHOP_REGISTER : ZEBRA_NEXTHOP_UNREGISTER; | |
468 | ||
469 | memset(&p, 0, sizeof(p)); | |
d3765386 | 470 | switch (nhop->type) { |
e5c83d9b DS |
471 | case NEXTHOP_TYPE_IFINDEX: |
472 | case NEXTHOP_TYPE_BLACKHOLE: | |
473 | return; | |
474 | case NEXTHOP_TYPE_IPV4: | |
475 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
476 | p.family = AF_INET; | |
477 | p.u.prefix4.s_addr = nhop->gate.ipv4.s_addr; | |
478 | p.prefixlen = 32; | |
479 | break; | |
480 | case NEXTHOP_TYPE_IPV6: | |
481 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
482 | p.family = AF_INET6; | |
483 | memcpy(&p.u.prefix6, &nhop->gate.ipv6, 16); | |
484 | p.prefixlen = 128; | |
485 | break; | |
486 | } | |
487 | ||
488 | if (zclient_send_rnh(zclient, command, &p, | |
489 | false, nhop->vrf_id) < 0) { | |
490 | zlog_warn("%s: Failure to send nexthop to zebra", | |
491 | __PRETTY_FUNCTION__); | |
492 | } | |
493 | } | |
494 | ||
495 | static void pbr_encode_pbr_map_sequence_prefix(struct stream *s, | |
496 | struct prefix *p, | |
49027ce8 | 497 | unsigned char family) |
e5c83d9b DS |
498 | { |
499 | struct prefix any; | |
500 | ||
501 | if (!p) { | |
502 | memset(&any, 0, sizeof(any)); | |
503 | any.family = family; | |
504 | p = &any; | |
505 | } | |
506 | ||
507 | stream_putc(s, p->family); | |
508 | stream_putc(s, p->prefixlen); | |
509 | stream_put(s, &p->u.prefix, prefix_blen(p)); | |
510 | } | |
511 | ||
512 | static void pbr_encode_pbr_map_sequence(struct stream *s, | |
513 | struct pbr_map_sequence *pbrms, | |
514 | struct interface *ifp) | |
515 | { | |
49027ce8 | 516 | unsigned char family; |
e5c83d9b DS |
517 | |
518 | family = AF_INET; | |
49027ce8 DS |
519 | if (pbrms->family) |
520 | family = pbrms->family; | |
e5c83d9b DS |
521 | |
522 | stream_putl(s, pbrms->seqno); | |
523 | stream_putl(s, pbrms->ruleno); | |
524 | stream_putl(s, pbrms->unique); | |
525 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->src, family); | |
526 | stream_putw(s, 0); /* src port */ | |
527 | pbr_encode_pbr_map_sequence_prefix(s, pbrms->dst, family); | |
528 | stream_putw(s, 0); /* dst port */ | |
95a9fe02 | 529 | stream_putl(s, pbrms->mark); |
e5c83d9b DS |
530 | if (pbrms->nhgrp_name) |
531 | stream_putl(s, pbr_nht_get_table(pbrms->nhgrp_name)); | |
532 | else if (pbrms->nhg) | |
533 | stream_putl(s, pbr_nht_get_table(pbrms->internal_nhg_name)); | |
534 | stream_putl(s, ifp->ifindex); | |
535 | } | |
536 | ||
b13e5ad6 DS |
537 | void pbr_send_pbr_map(struct pbr_map_sequence *pbrms, |
538 | struct pbr_map_interface *pmi, bool install) | |
e5c83d9b | 539 | { |
b13e5ad6 | 540 | struct pbr_map *pbrm = pbrms->parent; |
e5c83d9b | 541 | struct stream *s; |
10a00758 | 542 | uint64_t is_installed = (uint64_t)1 << pmi->install_bit; |
37c606ff DS |
543 | |
544 | is_installed &= pbrms->installed; | |
e5c83d9b | 545 | |
37c606ff DS |
546 | DEBUGD(&pbr_dbg_zebra, "%s: for %s %d(%" PRIu64 ")", |
547 | __PRETTY_FUNCTION__, pbrm->name, install, is_installed); | |
9b71ea4b DS |
548 | |
549 | /* | |
550 | * If we are installed and asked to do so again | |
551 | * just return. If we are not installed and asked | |
552 | * and asked to delete just return; | |
553 | */ | |
37c606ff | 554 | if (install && is_installed) |
9b71ea4b DS |
555 | return; |
556 | ||
37c606ff | 557 | if (!install && !is_installed) |
9b71ea4b | 558 | return; |
e5c83d9b DS |
559 | |
560 | s = zclient->obuf; | |
561 | stream_reset(s); | |
562 | ||
563 | zclient_create_header(s, | |
564 | install ? ZEBRA_RULE_ADD : ZEBRA_RULE_DELETE, | |
565 | VRF_DEFAULT); | |
566 | ||
b13e5ad6 DS |
567 | /* |
568 | * We are sending one item at a time at the moment | |
569 | */ | |
570 | stream_putl(s, 1); | |
e5c83d9b | 571 | |
b13e5ad6 DS |
572 | DEBUGD(&pbr_dbg_zebra, "%s: \t%s %s %d %s %u", |
573 | __PRETTY_FUNCTION__, install ? "Installing" : "Deleting", | |
574 | pbrm->name, install, pmi->ifp->name, pmi->delete); | |
e5c83d9b | 575 | |
b13e5ad6 | 576 | pbr_encode_pbr_map_sequence(s, pbrms, pmi->ifp); |
e5c83d9b | 577 | |
e5c83d9b DS |
578 | stream_putw_at(s, 0, stream_get_endp(s)); |
579 | ||
e5c83d9b DS |
580 | zclient_send_message(zclient); |
581 | } | |
138c5a74 DS |
582 | |
583 | int pbr_ifp_create(struct interface *ifp) | |
584 | { | |
585 | return 0; | |
586 | } | |
587 | ||
588 | int pbr_ifp_up(struct interface *ifp) | |
589 | { | |
590 | return 0; | |
591 | } | |
592 | ||
593 | int pbr_ifp_down(struct interface *ifp) | |
594 | { | |
595 | return 0; | |
596 | } | |
597 | ||
598 | int pbr_ifp_destroy(struct interface *ifp) | |
599 | { | |
600 | return 0; | |
601 | } |