]>
Commit | Line | Data |
---|---|---|
bf094f69 | 1 | /* |
d8647095 | 2 | * Zebra API message creation & consumption. |
bf094f69 QY |
3 | * Portions: |
4 | * Copyright (C) 1997-1999 Kunihiro Ishiguro | |
5 | * Copyright (C) 2015-2018 Cumulus Networks, Inc. | |
6 | * et al. | |
7 | * | |
8 | * This program 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 Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
16 | * 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 | ||
23 | #include <zebra.h> | |
24 | #include <libgen.h> | |
25 | ||
26 | #include "lib/prefix.h" | |
bf094f69 QY |
27 | #include "lib/stream.h" |
28 | #include "lib/memory.h" | |
29 | #include "lib/table.h" | |
30 | #include "lib/network.h" | |
bf094f69 QY |
31 | #include "lib/log.h" |
32 | #include "lib/zclient.h" | |
33 | #include "lib/privs.h" | |
bf094f69 QY |
34 | #include "lib/nexthop.h" |
35 | #include "lib/vrf.h" | |
36 | #include "lib/libfrr.h" | |
5e7939a5 | 37 | #include "lib/lib_errors.h" |
bf094f69 | 38 | |
161e9ab7 | 39 | #include "zebra/zebra_router.h" |
bf094f69 | 40 | #include "zebra/rib.h" |
bf094f69 QY |
41 | #include "zebra/zebra_ns.h" |
42 | #include "zebra/zebra_vrf.h" | |
43 | #include "zebra/router-id.h" | |
44 | #include "zebra/redistribute.h" | |
45 | #include "zebra/debug.h" | |
46 | #include "zebra/zebra_rnh.h" | |
bf094f69 QY |
47 | #include "zebra/interface.h" |
48 | #include "zebra/zebra_ptm.h" | |
49 | #include "zebra/rtadv.h" | |
50 | #include "zebra/zebra_mpls.h" | |
51 | #include "zebra/zebra_mroute.h" | |
bf094f69 | 52 | #include "zebra/zebra_vxlan.h" |
ce5160c0 | 53 | #include "zebra/zebra_evpn_mh.h" |
bf094f69 QY |
54 | #include "zebra/rt.h" |
55 | #include "zebra/zebra_pbr.h" | |
dfacea4a | 56 | #include "zebra/zebra_tc.h" |
bf094f69 QY |
57 | #include "zebra/table_manager.h" |
58 | #include "zebra/zapi_msg.h" | |
364fed6b | 59 | #include "zebra/zebra_errors.h" |
02c0866d | 60 | #include "zebra/zebra_mlag.h" |
54bea4e5 | 61 | #include "zebra/connected.h" |
79b3664a | 62 | #include "zebra/zebra_opaque.h" |
31f937fb | 63 | #include "zebra/zebra_srte.h" |
6e68a084 | 64 | #include "zebra/zebra_srv6.h" |
bf094f69 | 65 | |
b86c1f4f | 66 | DEFINE_MTYPE_STATIC(ZEBRA, RE_OPAQUE, "Route Opaque Data"); |
224ccf29 | 67 | |
5898ce6f MS |
68 | static int zapi_nhg_decode(struct stream *s, int cmd, struct zapi_nhg *api_nhg); |
69 | ||
bf094f69 QY |
70 | /* Encoding helpers -------------------------------------------------------- */ |
71 | ||
72 | static void zserv_encode_interface(struct stream *s, struct interface *ifp) | |
73 | { | |
74 | /* Interface information. */ | |
53e60e5c | 75 | struct zebra_if *zif = ifp->info; |
19c38250 | 76 | |
bf094f69 QY |
77 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); |
78 | stream_putl(s, ifp->ifindex); | |
79 | stream_putc(s, ifp->status); | |
80 | stream_putq(s, ifp->flags); | |
81 | stream_putc(s, ifp->ptm_enable); | |
82 | stream_putc(s, ifp->ptm_status); | |
83 | stream_putl(s, ifp->metric); | |
84 | stream_putl(s, ifp->speed); | |
85 | stream_putl(s, ifp->mtu); | |
86 | stream_putl(s, ifp->mtu6); | |
87 | stream_putl(s, ifp->bandwidth); | |
53e60e5c | 88 | stream_putl(s, zif->link_ifindex); |
bf094f69 QY |
89 | stream_putl(s, ifp->ll_type); |
90 | stream_putl(s, ifp->hw_addr_len); | |
91 | if (ifp->hw_addr_len) | |
92 | stream_put(s, ifp->hw_addr, ifp->hw_addr_len); | |
93 | ||
94 | /* Then, Traffic Engineering parameters if any */ | |
95 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) { | |
96 | stream_putc(s, 1); | |
97 | zebra_interface_link_params_write(s, ifp); | |
98 | } else | |
99 | stream_putc(s, 0); | |
100 | ||
101 | /* Write packet size. */ | |
102 | stream_putw_at(s, 0, stream_get_endp(s)); | |
103 | } | |
104 | ||
105 | static void zserv_encode_vrf(struct stream *s, struct zebra_vrf *zvrf) | |
106 | { | |
107 | struct vrf_data data; | |
108 | const char *netns_name = zvrf_ns_name(zvrf); | |
109 | ||
a013777a | 110 | memset(&data, 0, sizeof(data)); |
bf094f69 QY |
111 | data.l.table_id = zvrf->table_id; |
112 | ||
113 | if (netns_name) | |
114 | strlcpy(data.l.netns_name, basename((char *)netns_name), | |
115 | NS_NAMSIZ); | |
116 | else | |
117 | memset(data.l.netns_name, 0, NS_NAMSIZ); | |
118 | /* Pass the tableid and the netns NAME */ | |
119 | stream_put(s, &data, sizeof(struct vrf_data)); | |
120 | /* Interface information. */ | |
121 | stream_put(s, zvrf_name(zvrf), VRF_NAMSIZ); | |
122 | /* Write packet size. */ | |
123 | stream_putw_at(s, 0, stream_get_endp(s)); | |
124 | } | |
125 | ||
126 | static int zserv_encode_nexthop(struct stream *s, struct nexthop *nexthop) | |
127 | { | |
a756969d | 128 | stream_putl(s, nexthop->vrf_id); |
bf094f69 QY |
129 | stream_putc(s, nexthop->type); |
130 | switch (nexthop->type) { | |
131 | case NEXTHOP_TYPE_IPV4: | |
132 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
133 | stream_put_in_addr(s, &nexthop->gate.ipv4); | |
134 | stream_putl(s, nexthop->ifindex); | |
135 | break; | |
136 | case NEXTHOP_TYPE_IPV6: | |
137 | stream_put(s, &nexthop->gate.ipv6, 16); | |
138 | break; | |
139 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
140 | stream_put(s, &nexthop->gate.ipv6, 16); | |
141 | stream_putl(s, nexthop->ifindex); | |
142 | break; | |
143 | case NEXTHOP_TYPE_IFINDEX: | |
144 | stream_putl(s, nexthop->ifindex); | |
145 | break; | |
146 | default: | |
147 | /* do nothing */ | |
148 | break; | |
149 | } | |
150 | return 1; | |
151 | } | |
152 | ||
9ab0b2a3 SW |
153 | /* |
154 | * Zebra error addition adds error type. | |
155 | * | |
156 | * | |
157 | * 0 1 | |
158 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 | |
159 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
160 | * | enum zebra_error_types | | |
161 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
162 | * | |
163 | */ | |
164 | static void zserv_encode_error(struct stream *s, enum zebra_error_types error) | |
165 | { | |
166 | stream_put(s, &error, sizeof(error)); | |
167 | ||
168 | /* Write packet size. */ | |
169 | stream_putw_at(s, 0, stream_get_endp(s)); | |
170 | } | |
171 | ||
bf094f69 QY |
172 | /* Send handlers ----------------------------------------------------------- */ |
173 | ||
174 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ | |
175 | /* | |
176 | * This function is called in the following situations: | |
177 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
178 | * from the client. | |
179 | * - at startup, when zebra figures out the available interfaces | |
180 | * - when an interface is added (where support for | |
181 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
182 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
183 | * received) | |
184 | */ | |
185 | int zsend_interface_add(struct zserv *client, struct interface *ifp) | |
186 | { | |
187 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
188 | ||
096f7609 | 189 | zclient_create_header(s, ZEBRA_INTERFACE_ADD, ifp->vrf->vrf_id); |
bf094f69 QY |
190 | zserv_encode_interface(s, ifp); |
191 | ||
192 | client->ifadd_cnt++; | |
21ccc0cf | 193 | return zserv_send_message(client, s); |
bf094f69 QY |
194 | } |
195 | ||
196 | /* Interface deletion from zebra daemon. */ | |
197 | int zsend_interface_delete(struct zserv *client, struct interface *ifp) | |
198 | { | |
199 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
200 | ||
096f7609 | 201 | zclient_create_header(s, ZEBRA_INTERFACE_DELETE, ifp->vrf->vrf_id); |
bf094f69 QY |
202 | zserv_encode_interface(s, ifp); |
203 | ||
204 | client->ifdel_cnt++; | |
21ccc0cf | 205 | return zserv_send_message(client, s); |
bf094f69 QY |
206 | } |
207 | ||
208 | int zsend_vrf_add(struct zserv *client, struct zebra_vrf *zvrf) | |
209 | { | |
210 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
211 | ||
212 | zclient_create_header(s, ZEBRA_VRF_ADD, zvrf_id(zvrf)); | |
213 | zserv_encode_vrf(s, zvrf); | |
214 | ||
215 | client->vrfadd_cnt++; | |
21ccc0cf | 216 | return zserv_send_message(client, s); |
bf094f69 QY |
217 | } |
218 | ||
219 | /* VRF deletion from zebra daemon. */ | |
220 | int zsend_vrf_delete(struct zserv *client, struct zebra_vrf *zvrf) | |
221 | ||
222 | { | |
223 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
224 | ||
225 | zclient_create_header(s, ZEBRA_VRF_DELETE, zvrf_id(zvrf)); | |
226 | zserv_encode_vrf(s, zvrf); | |
227 | ||
228 | client->vrfdel_cnt++; | |
21ccc0cf | 229 | return zserv_send_message(client, s); |
bf094f69 QY |
230 | } |
231 | ||
232 | int zsend_interface_link_params(struct zserv *client, struct interface *ifp) | |
233 | { | |
234 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
235 | ||
096f7609 | 236 | zclient_create_header(s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf->vrf_id); |
bf094f69 QY |
237 | |
238 | /* Add Interface Index */ | |
239 | stream_putl(s, ifp->ifindex); | |
240 | ||
241 | /* Then TE Link Parameters */ | |
242 | if (zebra_interface_link_params_write(s, ifp) == 0) { | |
243 | stream_free(s); | |
244 | return 0; | |
245 | } | |
246 | ||
247 | /* Write packet size. */ | |
248 | stream_putw_at(s, 0, stream_get_endp(s)); | |
249 | ||
21ccc0cf | 250 | return zserv_send_message(client, s); |
bf094f69 QY |
251 | } |
252 | ||
253 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or | |
254 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
255 | * | |
256 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
257 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
258 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
259 | * sent from zebra to the client | |
260 | * - redistribute new address info to all clients in the following situations | |
261 | * - at startup, when zebra figures out the available interfaces | |
262 | * - when an interface is added (where support for | |
263 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
264 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
265 | * received) | |
b1bd1015 | 266 | * - for the vty commands "ip address A.B.C.D/M [<label LINE>]" |
bf094f69 QY |
267 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" |
268 | * - when an RTM_NEWADDR message is received from the kernel, | |
269 | * | |
270 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
271 | * | |
272 | * zsend_interface_address(DELETE) | |
273 | * ^ | |
274 | * | | |
275 | * zebra_interface_address_delete_update | |
276 | * ^ ^ ^ | |
277 | * | | if_delete_update | |
278 | * | | | |
279 | * ip_address_uninstall connected_delete_ipv4 | |
280 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
281 | * ^ ^ | |
282 | * | | | |
283 | * | RTM_NEWADDR on routing/netlink socket | |
284 | * | | |
285 | * vty commands: | |
286 | * "no ip address A.B.C.D/M [label LINE]" | |
b1bd1015 | 287 | * "no ip address A.B.C.D/M" |
bf094f69 QY |
288 | * ["no ipv6 address X:X::X:X/M"] |
289 | * | |
290 | */ | |
291 | int zsend_interface_address(int cmd, struct zserv *client, | |
292 | struct interface *ifp, struct connected *ifc) | |
293 | { | |
294 | int blen; | |
295 | struct prefix *p; | |
296 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
297 | ||
096f7609 | 298 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
299 | stream_putl(s, ifp->ifindex); |
300 | ||
301 | /* Interface address flag. */ | |
302 | stream_putc(s, ifc->flags); | |
303 | ||
304 | /* Prefix information. */ | |
305 | p = ifc->address; | |
306 | stream_putc(s, p->family); | |
307 | blen = prefix_blen(p); | |
308 | stream_put(s, &p->u.prefix, blen); | |
309 | ||
310 | /* | |
311 | * XXX gnu version does not send prefixlen for | |
312 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
313 | * but zebra_interface_address_delete_read() in the gnu version | |
314 | * expects to find it | |
315 | */ | |
316 | stream_putc(s, p->prefixlen); | |
317 | ||
318 | /* Destination. */ | |
319 | p = ifc->destination; | |
320 | if (p) | |
321 | stream_put(s, &p->u.prefix, blen); | |
322 | else | |
323 | stream_put(s, NULL, blen); | |
324 | ||
325 | /* Write packet size. */ | |
326 | stream_putw_at(s, 0, stream_get_endp(s)); | |
327 | ||
328 | client->connected_rt_add_cnt++; | |
21ccc0cf | 329 | return zserv_send_message(client, s); |
bf094f69 QY |
330 | } |
331 | ||
332 | static int zsend_interface_nbr_address(int cmd, struct zserv *client, | |
333 | struct interface *ifp, | |
334 | struct nbr_connected *ifc) | |
335 | { | |
336 | int blen; | |
337 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
338 | struct prefix *p; | |
339 | ||
096f7609 | 340 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
341 | stream_putl(s, ifp->ifindex); |
342 | ||
343 | /* Prefix information. */ | |
344 | p = ifc->address; | |
345 | stream_putc(s, p->family); | |
346 | blen = prefix_blen(p); | |
347 | stream_put(s, &p->u.prefix, blen); | |
348 | ||
349 | /* | |
350 | * XXX gnu version does not send prefixlen for | |
351 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
352 | * but zebra_interface_address_delete_read() in the gnu version | |
353 | * expects to find it | |
354 | */ | |
355 | stream_putc(s, p->prefixlen); | |
356 | ||
357 | /* Write packet size. */ | |
358 | stream_putw_at(s, 0, stream_get_endp(s)); | |
359 | ||
21ccc0cf | 360 | return zserv_send_message(client, s); |
bf094f69 QY |
361 | } |
362 | ||
363 | /* Interface address addition. */ | |
364 | static void zebra_interface_nbr_address_add_update(struct interface *ifp, | |
365 | struct nbr_connected *ifc) | |
366 | { | |
367 | struct listnode *node, *nnode; | |
368 | struct zserv *client; | |
369 | struct prefix *p; | |
370 | ||
371 | if (IS_ZEBRA_DEBUG_EVENT) { | |
372 | char buf[INET6_ADDRSTRLEN]; | |
373 | ||
374 | p = ifc->address; | |
375 | zlog_debug( | |
376 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
377 | inet_ntop(p->family, &p->u.prefix, buf, | |
378 | INET6_ADDRSTRLEN), | |
379 | p->prefixlen, ifc->ifp->name); | |
380 | } | |
381 | ||
17da84a4 KS |
382 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
383 | /* Do not send unsolicited messages to synchronous clients. */ | |
384 | if (client->synchronous) | |
385 | continue; | |
386 | ||
bf094f69 QY |
387 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, |
388 | client, ifp, ifc); | |
17da84a4 | 389 | } |
bf094f69 QY |
390 | } |
391 | ||
392 | /* Interface address deletion. */ | |
393 | static void zebra_interface_nbr_address_delete_update(struct interface *ifp, | |
394 | struct nbr_connected *ifc) | |
395 | { | |
396 | struct listnode *node, *nnode; | |
397 | struct zserv *client; | |
398 | struct prefix *p; | |
399 | ||
400 | if (IS_ZEBRA_DEBUG_EVENT) { | |
401 | char buf[INET6_ADDRSTRLEN]; | |
402 | ||
403 | p = ifc->address; | |
404 | zlog_debug( | |
405 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
406 | inet_ntop(p->family, &p->u.prefix, buf, | |
407 | INET6_ADDRSTRLEN), | |
408 | p->prefixlen, ifc->ifp->name); | |
409 | } | |
410 | ||
17da84a4 KS |
411 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
412 | /* Do not send unsolicited messages to synchronous clients. */ | |
413 | if (client->synchronous) | |
414 | continue; | |
415 | ||
bf094f69 QY |
416 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, |
417 | client, ifp, ifc); | |
17da84a4 | 418 | } |
bf094f69 QY |
419 | } |
420 | ||
421 | /* Send addresses on interface to client */ | |
422 | int zsend_interface_addresses(struct zserv *client, struct interface *ifp) | |
423 | { | |
424 | struct listnode *cnode, *cnnode; | |
425 | struct connected *c; | |
426 | struct nbr_connected *nc; | |
427 | ||
428 | /* Send interface addresses. */ | |
429 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
430 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
431 | continue; | |
432 | ||
433 | if (zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
434 | ifp, c) | |
435 | < 0) | |
436 | return -1; | |
437 | } | |
438 | ||
439 | /* Send interface neighbors. */ | |
440 | for (ALL_LIST_ELEMENTS(ifp->nbr_connected, cnode, cnnode, nc)) { | |
441 | if (zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
442 | client, ifp, nc) | |
443 | < 0) | |
444 | return -1; | |
445 | } | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
450 | /* Notify client about interface moving from one VRF to another. | |
451 | * Whether client is interested in old and new VRF is checked by caller. | |
452 | */ | |
453 | int zsend_interface_vrf_update(struct zserv *client, struct interface *ifp, | |
454 | vrf_id_t vrf_id) | |
455 | { | |
456 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
457 | ||
096f7609 | 458 | zclient_create_header(s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf->vrf_id); |
bf094f69 | 459 | |
91d227b7 RW |
460 | /* Fill in the name of the interface and its new VRF (id) */ |
461 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); | |
bf094f69 QY |
462 | stream_putl(s, vrf_id); |
463 | ||
464 | /* Write packet size. */ | |
465 | stream_putw_at(s, 0, stream_get_endp(s)); | |
466 | ||
467 | client->if_vrfchg_cnt++; | |
21ccc0cf | 468 | return zserv_send_message(client, s); |
bf094f69 QY |
469 | } |
470 | ||
471 | /* Add new nbr connected IPv6 address */ | |
472 | void nbr_connected_add_ipv6(struct interface *ifp, struct in6_addr *address) | |
473 | { | |
474 | struct nbr_connected *ifc; | |
475 | struct prefix p; | |
476 | ||
477 | p.family = AF_INET6; | |
a85297a7 | 478 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
f4d81e55 | 479 | p.prefixlen = IPV6_MAX_BITLEN; |
bf094f69 | 480 | |
8b1766b1 QY |
481 | ifc = listnode_head(ifp->nbr_connected); |
482 | if (!ifc) { | |
bf094f69 QY |
483 | /* new addition */ |
484 | ifc = nbr_connected_new(); | |
485 | ifc->address = prefix_new(); | |
486 | ifc->ifp = ifp; | |
487 | listnode_add(ifp->nbr_connected, ifc); | |
488 | } | |
489 | ||
490 | prefix_copy(ifc->address, &p); | |
491 | ||
492 | zebra_interface_nbr_address_add_update(ifp, ifc); | |
493 | ||
494 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 1); | |
495 | } | |
496 | ||
497 | void nbr_connected_delete_ipv6(struct interface *ifp, struct in6_addr *address) | |
498 | { | |
499 | struct nbr_connected *ifc; | |
500 | struct prefix p; | |
501 | ||
502 | p.family = AF_INET6; | |
a85297a7 | 503 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
f4d81e55 | 504 | p.prefixlen = IPV6_MAX_BITLEN; |
bf094f69 QY |
505 | |
506 | ifc = nbr_connected_check(ifp, &p); | |
507 | if (!ifc) | |
508 | return; | |
509 | ||
510 | listnode_delete(ifp->nbr_connected, ifc); | |
511 | ||
512 | zebra_interface_nbr_address_delete_update(ifp, ifc); | |
513 | ||
514 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 0); | |
515 | ||
516 | nbr_connected_free(ifc); | |
517 | } | |
518 | ||
519 | /* | |
520 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
521 | * ZEBRA_INTERFACE_DOWN. | |
522 | * | |
523 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
524 | * the clients in one of 2 situations: | |
525 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
526 | * - a vty command modifying the bandwidth of an interface is received. | |
527 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
528 | */ | |
529 | int zsend_interface_update(int cmd, struct zserv *client, struct interface *ifp) | |
530 | { | |
531 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
532 | ||
096f7609 | 533 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
534 | zserv_encode_interface(s, ifp); |
535 | ||
536 | if (cmd == ZEBRA_INTERFACE_UP) | |
537 | client->ifup_cnt++; | |
538 | else | |
539 | client->ifdown_cnt++; | |
540 | ||
21ccc0cf | 541 | return zserv_send_message(client, s); |
bf094f69 QY |
542 | } |
543 | ||
86391e56 | 544 | int zsend_redistribute_route(int cmd, struct zserv *client, |
84faa420 | 545 | const struct route_node *rn, |
40f321c0 | 546 | const struct route_entry *re) |
bf094f69 QY |
547 | { |
548 | struct zapi_route api; | |
549 | struct zapi_nexthop *api_nh; | |
550 | struct nexthop *nexthop; | |
84faa420 | 551 | const struct prefix *p, *src_p; |
9a0d4dd3 | 552 | uint8_t count = 0; |
34fa0870 | 553 | afi_t afi; |
f3f45626 DS |
554 | size_t stream_size = |
555 | MAX(ZEBRA_MAX_PACKET_SIZ, sizeof(struct zapi_route)); | |
bf094f69 | 556 | |
84faa420 | 557 | srcdest_rnode_prefixes(rn, &p, &src_p); |
bf094f69 QY |
558 | memset(&api, 0, sizeof(api)); |
559 | api.vrf_id = re->vrf_id; | |
560 | api.type = re->type; | |
e4081c0e | 561 | api.safi = SAFI_UNICAST; |
bf094f69 QY |
562 | api.instance = re->instance; |
563 | api.flags = re->flags; | |
564 | ||
34fa0870 DS |
565 | afi = family2afi(p->family); |
566 | switch (afi) { | |
567 | case AFI_IP: | |
568 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
569 | client->redist_v4_add_cnt++; | |
570 | else | |
571 | client->redist_v4_del_cnt++; | |
572 | break; | |
573 | case AFI_IP6: | |
574 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
575 | client->redist_v6_add_cnt++; | |
576 | else | |
577 | client->redist_v6_del_cnt++; | |
578 | break; | |
579 | default: | |
580 | break; | |
581 | } | |
582 | ||
bf094f69 QY |
583 | /* Prefix. */ |
584 | api.prefix = *p; | |
585 | if (src_p) { | |
586 | SET_FLAG(api.message, ZAPI_MESSAGE_SRCPFX); | |
587 | memcpy(&api.src_prefix, src_p, sizeof(api.src_prefix)); | |
588 | } | |
589 | ||
c415d895 | 590 | for (nexthop = re->nhe->nhg.nexthop; |
0eb97b86 | 591 | nexthop; nexthop = nexthop->next) { |
bf094f69 QY |
592 | if (!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
593 | continue; | |
594 | ||
595 | api_nh = &api.nexthops[count]; | |
596 | api_nh->vrf_id = nexthop->vrf_id; | |
597 | api_nh->type = nexthop->type; | |
bd054c1a | 598 | api_nh->weight = nexthop->weight; |
bf094f69 QY |
599 | switch (nexthop->type) { |
600 | case NEXTHOP_TYPE_BLACKHOLE: | |
601 | api_nh->bh_type = nexthop->bh_type; | |
602 | break; | |
603 | case NEXTHOP_TYPE_IPV4: | |
bf094f69 QY |
604 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
605 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
606 | api_nh->ifindex = nexthop->ifindex; | |
607 | break; | |
608 | case NEXTHOP_TYPE_IFINDEX: | |
609 | api_nh->ifindex = nexthop->ifindex; | |
610 | break; | |
611 | case NEXTHOP_TYPE_IPV6: | |
bf094f69 QY |
612 | case NEXTHOP_TYPE_IPV6_IFINDEX: |
613 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
614 | api_nh->ifindex = nexthop->ifindex; | |
615 | } | |
616 | count++; | |
617 | } | |
618 | ||
9a0d4dd3 DS |
619 | /* Nexthops. */ |
620 | if (count) { | |
621 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
622 | api.nexthop_num = count; | |
623 | } | |
624 | ||
bf094f69 QY |
625 | /* Attributes. */ |
626 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
627 | api.distance = re->distance; | |
628 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
629 | api.metric = re->metric; | |
630 | if (re->tag) { | |
631 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
632 | api.tag = re->tag; | |
633 | } | |
634 | SET_FLAG(api.message, ZAPI_MESSAGE_MTU); | |
635 | api.mtu = re->mtu; | |
636 | ||
f3f45626 | 637 | struct stream *s = stream_new(stream_size); |
bf094f69 QY |
638 | |
639 | /* Encode route and send. */ | |
640 | if (zapi_route_encode(cmd, s, &api) < 0) { | |
641 | stream_free(s); | |
642 | return -1; | |
643 | } | |
644 | ||
2dbe669b DA |
645 | if (IS_ZEBRA_DEBUG_SEND) |
646 | zlog_debug("%s: %s to client %s: type %s, vrf_id %d, p %pFX", | |
bf094f69 QY |
647 | __func__, zserv_command_string(cmd), |
648 | zebra_route_string(client->proto), | |
649 | zebra_route_string(api.type), api.vrf_id, | |
2dbe669b | 650 | &api.prefix); |
21ccc0cf | 651 | return zserv_send_message(client, s); |
bf094f69 QY |
652 | } |
653 | ||
654 | /* | |
655 | * Modified version of zsend_ipv4_nexthop_lookup(): Query unicast rib if | |
656 | * nexthop is not found on mrib. Returns both route metric and protocol | |
657 | * distance. | |
34ee41c6 DL |
658 | * |
659 | * *XXX* this ZAPI call is slated to be removed at some point in the future | |
660 | * since MRIB support in PIM is hopelessly broken in its interactions with NHT. | |
661 | * The plan is to make pimd use NHT to receive URIB and MRIB in parallel and | |
662 | * make the decision there, which will obsolete this ZAPI op. | |
663 | * (Otherwise we would need to implement sending NHT updates for the result of | |
664 | * this "URIB-MRIB-combined" table, but we only decide that here on the fly, | |
665 | * so it'd be rather complex to do NHT for.) | |
bf094f69 | 666 | */ |
34ee41c6 DL |
667 | static int zsend_nexthop_lookup_mrib(struct zserv *client, struct ipaddr *addr, |
668 | struct route_entry *re, | |
669 | struct zebra_vrf *zvrf) | |
bf094f69 QY |
670 | { |
671 | struct stream *s; | |
672 | unsigned long nump; | |
673 | uint8_t num; | |
674 | struct nexthop *nexthop; | |
675 | ||
676 | /* Get output stream. */ | |
677 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
678 | stream_reset(s); | |
679 | ||
680 | /* Fill in result. */ | |
34ee41c6 DL |
681 | zclient_create_header(s, ZEBRA_NEXTHOP_LOOKUP_MRIB, zvrf_id(zvrf)); |
682 | stream_put_ipaddr(s, addr); | |
bf094f69 QY |
683 | |
684 | if (re) { | |
b59839af DS |
685 | struct nexthop_group *nhg; |
686 | ||
bf094f69 QY |
687 | stream_putc(s, re->distance); |
688 | stream_putl(s, re->metric); | |
689 | num = 0; | |
8b1766b1 QY |
690 | /* remember position for nexthop_num */ |
691 | nump = stream_get_endp(s); | |
692 | /* reserve room for nexthop_num */ | |
693 | stream_putc(s, 0); | |
b59839af DS |
694 | nhg = rib_get_fib_nhg(re); |
695 | for (ALL_NEXTHOPS_PTR(nhg, nexthop)) { | |
696 | if (rnh_nexthop_valid(re, nexthop)) | |
bf094f69 | 697 | num += zserv_encode_nexthop(s, nexthop); |
b59839af | 698 | } |
bf094f69 | 699 | |
8b1766b1 QY |
700 | /* store nexthop_num */ |
701 | stream_putc_at(s, nump, num); | |
bf094f69 QY |
702 | } else { |
703 | stream_putc(s, 0); /* distance */ | |
704 | stream_putl(s, 0); /* metric */ | |
705 | stream_putc(s, 0); /* nexthop_num */ | |
706 | } | |
707 | ||
708 | stream_putw_at(s, 0, stream_get_endp(s)); | |
709 | ||
21ccc0cf | 710 | return zserv_send_message(client, s); |
bf094f69 QY |
711 | } |
712 | ||
ee94437e MS |
713 | int zsend_nhg_notify(uint16_t type, uint16_t instance, uint32_t session_id, |
714 | uint32_t id, enum zapi_nhg_notify_owner note) | |
2f35a820 DS |
715 | { |
716 | struct zserv *client; | |
717 | struct stream *s; | |
718 | ||
ee94437e | 719 | client = zserv_find_client_session(type, instance, session_id); |
2f35a820 DS |
720 | if (!client) { |
721 | if (IS_ZEBRA_DEBUG_PACKET) { | |
722 | zlog_debug("Not Notifying Owner: %u(%u) about %u(%d)", | |
723 | type, instance, id, note); | |
724 | } | |
725 | return 0; | |
726 | } | |
727 | ||
ee94437e | 728 | if (IS_ZEBRA_DEBUG_SEND) |
04bec7b2 MS |
729 | zlog_debug("%s: type %d, id %d, note %s", |
730 | __func__, type, id, zapi_nhg_notify_owner2str(note)); | |
ee94437e | 731 | |
2f35a820 DS |
732 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
733 | stream_reset(s); | |
734 | ||
735 | zclient_create_header(s, ZEBRA_NHG_NOTIFY_OWNER, VRF_DEFAULT); | |
736 | ||
2f35a820 | 737 | stream_put(s, ¬e, sizeof(note)); |
2c7819b9 | 738 | stream_putl(s, id); |
2f35a820 DS |
739 | |
740 | stream_putw_at(s, 0, stream_get_endp(s)); | |
741 | ||
742 | return zserv_send_message(client, s); | |
743 | } | |
744 | ||
86391e56 MS |
745 | /* |
746 | * Common utility send route notification, called from a path using a | |
747 | * route_entry and from a path using a dataplane context. | |
748 | */ | |
a7704e1b | 749 | static int route_notify_internal(const struct route_node *rn, int type, |
86391e56 MS |
750 | uint16_t instance, vrf_id_t vrf_id, |
751 | uint32_t table_id, | |
a7704e1b DS |
752 | enum zapi_route_notify_owner note, afi_t afi, |
753 | safi_t safi) | |
bf094f69 QY |
754 | { |
755 | struct zserv *client; | |
756 | struct stream *s; | |
757 | uint8_t blen; | |
758 | ||
86391e56 | 759 | client = zserv_find_client(type, instance); |
bf094f69 | 760 | if (!client || !client->notify_owner) { |
2dbe669b | 761 | if (IS_ZEBRA_DEBUG_PACKET) |
bf094f69 | 762 | zlog_debug( |
a7704e1b DS |
763 | "Not Notifying Owner: %s about prefix %pRN(%u) %d vrf: %u", |
764 | zebra_route_string(type), rn, table_id, note, | |
2dbe669b | 765 | vrf_id); |
bf094f69 QY |
766 | return 0; |
767 | } | |
768 | ||
2dbe669b DA |
769 | if (IS_ZEBRA_DEBUG_PACKET) |
770 | zlog_debug( | |
a7704e1b DS |
771 | "Notifying Owner: %s about prefix %pRN(%u) %d vrf: %u", |
772 | zebra_route_string(type), rn, table_id, note, vrf_id); | |
bf094f69 | 773 | |
55e74ca9 MS |
774 | /* We're just allocating a small-ish buffer here, since we only |
775 | * encode a small amount of data. | |
776 | */ | |
777 | s = stream_new(ZEBRA_SMALL_PACKET_SIZE); | |
778 | ||
bf094f69 QY |
779 | stream_reset(s); |
780 | ||
86391e56 | 781 | zclient_create_header(s, ZEBRA_ROUTE_NOTIFY_OWNER, vrf_id); |
bf094f69 QY |
782 | |
783 | stream_put(s, ¬e, sizeof(note)); | |
784 | ||
a7704e1b | 785 | stream_putc(s, rn->p.family); |
bf094f69 | 786 | |
a7704e1b DS |
787 | blen = prefix_blen(&rn->p); |
788 | stream_putc(s, rn->p.prefixlen); | |
789 | stream_put(s, &rn->p.u.prefix, blen); | |
bf094f69 | 790 | |
86391e56 | 791 | stream_putl(s, table_id); |
bf094f69 | 792 | |
77b38a4a S |
793 | /* Encode AFI, SAFI in the message */ |
794 | stream_putc(s, afi); | |
795 | stream_putc(s, safi); | |
796 | ||
bf094f69 QY |
797 | stream_putw_at(s, 0, stream_get_endp(s)); |
798 | ||
21ccc0cf | 799 | return zserv_send_message(client, s); |
bf094f69 QY |
800 | } |
801 | ||
a7704e1b DS |
802 | int zsend_route_notify_owner(const struct route_node *rn, |
803 | struct route_entry *re, | |
804 | enum zapi_route_notify_owner note, afi_t afi, | |
805 | safi_t safi) | |
86391e56 | 806 | { |
a7704e1b | 807 | return (route_notify_internal(rn, re->type, re->instance, re->vrf_id, |
77b38a4a | 808 | re->table, note, afi, safi)); |
86391e56 MS |
809 | } |
810 | ||
7cdb1a84 MS |
811 | /* |
812 | * Route-owner notification using info from dataplane update context. | |
813 | */ | |
25779064 | 814 | int zsend_route_notify_owner_ctx(const struct zebra_dplane_ctx *ctx, |
7cdb1a84 MS |
815 | enum zapi_route_notify_owner note) |
816 | { | |
a7704e1b DS |
817 | return (route_notify_internal( |
818 | rib_find_rn_from_ctx(ctx), dplane_ctx_get_type(ctx), | |
819 | dplane_ctx_get_instance(ctx), dplane_ctx_get_vrf(ctx), | |
820 | dplane_ctx_get_table(ctx), note, dplane_ctx_get_afi(ctx), | |
821 | dplane_ctx_get_safi(ctx))); | |
77b38a4a S |
822 | } |
823 | ||
824 | static void zread_route_notify_request(ZAPI_HANDLER_ARGS) | |
825 | { | |
826 | uint8_t notify; | |
827 | ||
828 | STREAM_GETC(msg, notify); | |
829 | client->notify_owner = notify; | |
830 | stream_failure: | |
831 | return; | |
86391e56 MS |
832 | } |
833 | ||
f62e5480 | 834 | void zsend_rule_notify_owner(const struct zebra_dplane_ctx *ctx, |
bf094f69 QY |
835 | enum zapi_rule_notify_owner note) |
836 | { | |
837 | struct listnode *node; | |
838 | struct zserv *client; | |
839 | struct stream *s; | |
840 | ||
841 | if (IS_ZEBRA_DEBUG_PACKET) | |
f62e5480 JU |
842 | zlog_debug("%s: Notifying %u", __func__, |
843 | dplane_ctx_rule_get_unique(ctx)); | |
bf094f69 | 844 | |
161e9ab7 | 845 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
f62e5480 | 846 | if (dplane_ctx_rule_get_sock(ctx) == client->sock) |
bf094f69 QY |
847 | break; |
848 | } | |
849 | ||
850 | if (!client) | |
851 | return; | |
852 | ||
853 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
854 | ||
855 | zclient_create_header(s, ZEBRA_RULE_NOTIFY_OWNER, VRF_DEFAULT); | |
856 | stream_put(s, ¬e, sizeof(note)); | |
f62e5480 JU |
857 | stream_putl(s, dplane_ctx_rule_get_seq(ctx)); |
858 | stream_putl(s, dplane_ctx_rule_get_priority(ctx)); | |
859 | stream_putl(s, dplane_ctx_rule_get_unique(ctx)); | |
58a1d249 | 860 | stream_put(s, dplane_ctx_rule_get_ifname(ctx), INTERFACE_NAMSIZ); |
bf094f69 QY |
861 | |
862 | stream_putw_at(s, 0, stream_get_endp(s)); | |
863 | ||
21ccc0cf | 864 | zserv_send_message(client, s); |
bf094f69 QY |
865 | } |
866 | ||
ef524230 | 867 | void zsend_iptable_notify_owner(const struct zebra_dplane_ctx *ctx, |
33c08518 | 868 | enum zapi_iptable_notify_owner note) |
bf094f69 QY |
869 | { |
870 | struct listnode *node; | |
871 | struct zserv *client; | |
872 | struct stream *s; | |
ef524230 PG |
873 | struct zebra_pbr_iptable ipt; |
874 | uint16_t cmd = ZEBRA_IPTABLE_NOTIFY_OWNER; | |
c9250e28 PG |
875 | struct zebra_pbr_iptable *ipt_hash; |
876 | enum dplane_op_e op = dplane_ctx_get_op(ctx); | |
ef524230 | 877 | |
8d78e148 | 878 | dplane_ctx_get_pbr_iptable(ctx, &ipt); |
bf094f69 | 879 | |
c9250e28 PG |
880 | ipt_hash = hash_lookup(zrouter.iptable_hash, &ipt); |
881 | if (ipt_hash) { | |
882 | if (op == DPLANE_OP_IPTABLE_ADD && | |
883 | CHECK_FLAG(ipt_hash->internal_flags, | |
884 | IPTABLE_INSTALL_QUEUED)) | |
885 | UNSET_FLAG(ipt_hash->internal_flags, | |
886 | IPTABLE_INSTALL_QUEUED); | |
887 | else if (op == DPLANE_OP_IPTABLE_DELETE && | |
888 | CHECK_FLAG(ipt_hash->internal_flags, | |
889 | IPTABLE_UNINSTALL_QUEUED)) | |
890 | UNSET_FLAG(ipt_hash->internal_flags, | |
891 | IPTABLE_UNINSTALL_QUEUED); | |
892 | } | |
bf094f69 | 893 | if (IS_ZEBRA_DEBUG_PACKET) |
ef524230 PG |
894 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
895 | zserv_command_string(cmd), ipt.unique, note); | |
bf094f69 | 896 | |
161e9ab7 | 897 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 898 | if (ipt.sock == client->sock) |
bf094f69 QY |
899 | break; |
900 | } | |
901 | ||
902 | if (!client) | |
903 | return; | |
904 | ||
905 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
906 | ||
5162e000 | 907 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 908 | stream_putw(s, note); |
ef524230 PG |
909 | stream_putl(s, ipt.unique); |
910 | stream_put(s, ipt.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
911 | stream_putw_at(s, 0, stream_get_endp(s)); |
912 | ||
21ccc0cf | 913 | zserv_send_message(client, s); |
bf094f69 QY |
914 | } |
915 | ||
33c08518 DS |
916 | void zsend_ipset_notify_owner(const struct zebra_dplane_ctx *ctx, |
917 | enum zapi_ipset_notify_owner note) | |
bf094f69 QY |
918 | { |
919 | struct listnode *node; | |
920 | struct zserv *client; | |
921 | struct stream *s; | |
ef524230 PG |
922 | struct zebra_pbr_ipset ipset; |
923 | uint16_t cmd = ZEBRA_IPSET_NOTIFY_OWNER; | |
924 | ||
8249f96a | 925 | dplane_ctx_get_pbr_ipset(ctx, &ipset); |
bf094f69 QY |
926 | |
927 | if (IS_ZEBRA_DEBUG_PACKET) | |
ef524230 PG |
928 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
929 | zserv_command_string(cmd), ipset.unique, note); | |
bf094f69 | 930 | |
161e9ab7 | 931 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 932 | if (ipset.sock == client->sock) |
bf094f69 QY |
933 | break; |
934 | } | |
935 | ||
936 | if (!client) | |
937 | return; | |
938 | ||
939 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
940 | ||
ef524230 | 941 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 942 | stream_putw(s, note); |
ef524230 PG |
943 | stream_putl(s, ipset.unique); |
944 | stream_put(s, ipset.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
945 | stream_putw_at(s, 0, stream_get_endp(s)); |
946 | ||
21ccc0cf | 947 | zserv_send_message(client, s); |
bf094f69 QY |
948 | } |
949 | ||
ef524230 | 950 | void zsend_ipset_entry_notify_owner(const struct zebra_dplane_ctx *ctx, |
33c08518 | 951 | enum zapi_ipset_entry_notify_owner note) |
bf094f69 QY |
952 | { |
953 | struct listnode *node; | |
954 | struct zserv *client; | |
955 | struct stream *s; | |
ef524230 PG |
956 | struct zebra_pbr_ipset_entry ipent; |
957 | struct zebra_pbr_ipset ipset; | |
958 | uint16_t cmd = ZEBRA_IPSET_ENTRY_NOTIFY_OWNER; | |
5162e000 | 959 | |
f284c132 | 960 | dplane_ctx_get_pbr_ipset_entry(ctx, &ipent); |
8249f96a | 961 | dplane_ctx_get_pbr_ipset(ctx, &ipset); |
bf094f69 QY |
962 | |
963 | if (IS_ZEBRA_DEBUG_PACKET) | |
5162e000 | 964 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
ef524230 | 965 | zserv_command_string(cmd), ipent.unique, note); |
bf094f69 | 966 | |
161e9ab7 | 967 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 968 | if (ipent.sock == client->sock) |
bf094f69 QY |
969 | break; |
970 | } | |
971 | ||
972 | if (!client) | |
973 | return; | |
974 | ||
975 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
976 | ||
5162e000 | 977 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 978 | stream_putw(s, note); |
ef524230 PG |
979 | stream_putl(s, ipent.unique); |
980 | stream_put(s, ipset.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
981 | stream_putw_at(s, 0, stream_get_endp(s)); |
982 | ||
21ccc0cf | 983 | zserv_send_message(client, s); |
bf094f69 QY |
984 | } |
985 | ||
7723e8d3 PG |
986 | void zsend_nhrp_neighbor_notify(int cmd, struct interface *ifp, |
987 | struct ipaddr *ipaddr, int ndm_state, | |
d603c077 | 988 | union sockunion *link_layer_ipv4) |
7723e8d3 PG |
989 | { |
990 | struct stream *s; | |
991 | struct listnode *node, *nnode; | |
992 | struct zserv *client; | |
993 | afi_t afi; | |
d603c077 | 994 | union sockunion ip; |
7723e8d3 PG |
995 | |
996 | if (IS_ZEBRA_DEBUG_PACKET) | |
7d7be47e | 997 | zlog_debug("%s: Notifying Neighbor entry (%u)", __func__, cmd); |
7723e8d3 | 998 | |
d603c077 PG |
999 | sockunion_family(&ip) = ipaddr_family(ipaddr); |
1000 | afi = family2afi(sockunion_family(&ip)); | |
1001 | memcpy((char *)sockunion_get_addr(&ip), &ipaddr->ip.addr, | |
1002 | family2addrsize(sockunion_family(&ip))); | |
1003 | ||
7723e8d3 | 1004 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
096f7609 IR |
1005 | if (!vrf_bitmap_check(client->nhrp_neighinfo[afi], |
1006 | ifp->vrf->vrf_id)) | |
7723e8d3 PG |
1007 | continue; |
1008 | ||
1009 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
c4e1fd52 PG |
1010 | zclient_neigh_ip_encode(s, cmd, &ip, link_layer_ipv4, ifp, |
1011 | ndm_state); | |
7723e8d3 | 1012 | stream_putw_at(s, 0, stream_get_endp(s)); |
7723e8d3 PG |
1013 | zserv_send_message(client, s); |
1014 | } | |
1015 | } | |
1016 | ||
1017 | ||
98a3fb0a SM |
1018 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_UPDATE to client. */ |
1019 | int zsend_router_id_update(struct zserv *client, afi_t afi, struct prefix *p, | |
bf094f69 QY |
1020 | vrf_id_t vrf_id) |
1021 | { | |
1022 | int blen; | |
98a3fb0a | 1023 | struct stream *s; |
bf094f69 QY |
1024 | |
1025 | /* Check this client need interface information. */ | |
98a3fb0a | 1026 | if (!vrf_bitmap_check(client->ridinfo[afi], vrf_id)) |
bf094f69 QY |
1027 | return 0; |
1028 | ||
98a3fb0a | 1029 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
bf094f69 QY |
1030 | |
1031 | /* Message type. */ | |
1032 | zclient_create_header(s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); | |
1033 | ||
1034 | /* Prefix information. */ | |
1035 | stream_putc(s, p->family); | |
1036 | blen = prefix_blen(p); | |
1037 | stream_put(s, &p->u.prefix, blen); | |
1038 | stream_putc(s, p->prefixlen); | |
1039 | ||
1040 | /* Write packet size. */ | |
1041 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1042 | ||
21ccc0cf | 1043 | return zserv_send_message(client, s); |
bf094f69 QY |
1044 | } |
1045 | ||
1046 | /* | |
1047 | * Function used by Zebra to send a PW status update to LDP daemon | |
1048 | */ | |
1049 | int zsend_pw_update(struct zserv *client, struct zebra_pw *pw) | |
1050 | { | |
1051 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1052 | ||
1053 | zclient_create_header(s, ZEBRA_PW_STATUS_UPDATE, pw->vrf_id); | |
3682bd90 | 1054 | stream_write(s, pw->ifname, INTERFACE_NAMSIZ); |
bf094f69 QY |
1055 | stream_putl(s, pw->ifindex); |
1056 | stream_putl(s, pw->status); | |
1057 | ||
1058 | /* Put length at the first point of the stream. */ | |
1059 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1060 | ||
21ccc0cf | 1061 | return zserv_send_message(client, s); |
bf094f69 QY |
1062 | } |
1063 | ||
1064 | /* Send response to a get label chunk request to client */ | |
e11d7c96 | 1065 | int zsend_assign_label_chunk_response(struct zserv *client, vrf_id_t vrf_id, |
e11d7c96 | 1066 | struct label_manager_chunk *lmc) |
bf094f69 | 1067 | { |
bf094f69 QY |
1068 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
1069 | ||
1070 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, vrf_id); | |
f004f7c3 | 1071 | /* proto */ |
4cebdb9b | 1072 | stream_putc(s, client->proto); |
f004f7c3 | 1073 | /* instance */ |
4cebdb9b | 1074 | stream_putw(s, client->instance); |
bf094f69 QY |
1075 | |
1076 | if (lmc) { | |
1077 | /* keep */ | |
1078 | stream_putc(s, lmc->keep); | |
1079 | /* start and end labels */ | |
1080 | stream_putl(s, lmc->start); | |
1081 | stream_putl(s, lmc->end); | |
1082 | } | |
1083 | ||
1084 | /* Write packet size. */ | |
1085 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1086 | ||
732d22cb | 1087 | return zserv_send_message(client, s); |
bf094f69 QY |
1088 | } |
1089 | ||
1090 | /* Send response to a label manager connect request to client */ | |
e11d7c96 EDP |
1091 | int zsend_label_manager_connect_response(struct zserv *client, vrf_id_t vrf_id, |
1092 | unsigned short result) | |
bf094f69 | 1093 | { |
bf094f69 QY |
1094 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
1095 | ||
1096 | zclient_create_header(s, ZEBRA_LABEL_MANAGER_CONNECT, vrf_id); | |
1097 | ||
5dffb0e9 FR |
1098 | /* proto */ |
1099 | stream_putc(s, client->proto); | |
1100 | ||
1101 | /* instance */ | |
1102 | stream_putw(s, client->instance); | |
1103 | ||
bf094f69 QY |
1104 | /* result */ |
1105 | stream_putc(s, result); | |
1106 | ||
1107 | /* Write packet size. */ | |
1108 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1109 | ||
732d22cb | 1110 | return zserv_send_message(client, s); |
bf094f69 QY |
1111 | } |
1112 | ||
1113 | /* Send response to a get table chunk request to client */ | |
1114 | static int zsend_assign_table_chunk_response(struct zserv *client, | |
1115 | vrf_id_t vrf_id, | |
1116 | struct table_manager_chunk *tmc) | |
1117 | { | |
1118 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1119 | ||
1120 | zclient_create_header(s, ZEBRA_GET_TABLE_CHUNK, vrf_id); | |
1121 | ||
1122 | if (tmc) { | |
1123 | /* start and end labels */ | |
1124 | stream_putl(s, tmc->start); | |
1125 | stream_putl(s, tmc->end); | |
1126 | } | |
1127 | ||
1128 | /* Write packet size. */ | |
1129 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1130 | ||
21ccc0cf | 1131 | return zserv_send_message(client, s); |
bf094f69 QY |
1132 | } |
1133 | ||
1134 | static int zsend_table_manager_connect_response(struct zserv *client, | |
1135 | vrf_id_t vrf_id, | |
1136 | uint16_t result) | |
1137 | { | |
1138 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1139 | ||
1140 | zclient_create_header(s, ZEBRA_TABLE_MANAGER_CONNECT, vrf_id); | |
1141 | ||
1142 | /* result */ | |
1143 | stream_putc(s, result); | |
1144 | ||
1145 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1146 | ||
21ccc0cf | 1147 | return zserv_send_message(client, s); |
bf094f69 QY |
1148 | } |
1149 | ||
f5ca329b HS |
1150 | /* SRv6 locator add notification from zebra daemon. */ |
1151 | int zsend_zebra_srv6_locator_add(struct zserv *client, struct srv6_locator *loc) | |
1152 | { | |
1153 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1154 | ||
1155 | zclient_create_header(s, ZEBRA_SRV6_LOCATOR_ADD, VRF_DEFAULT); | |
1156 | zapi_srv6_locator_encode(s, loc); | |
1157 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1158 | ||
1159 | return zserv_send_message(client, s); | |
1160 | } | |
1161 | ||
1162 | /* SRv6 locator delete notification from zebra daemon. */ | |
1163 | int zsend_zebra_srv6_locator_delete(struct zserv *client, | |
1164 | struct srv6_locator *loc) | |
1165 | { | |
1166 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1167 | ||
1168 | zclient_create_header(s, ZEBRA_SRV6_LOCATOR_DELETE, VRF_DEFAULT); | |
1169 | zapi_srv6_locator_encode(s, loc); | |
1170 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1171 | ||
1172 | return zserv_send_message(client, s); | |
1173 | } | |
1174 | ||
bf094f69 QY |
1175 | /* Inbound message handling ------------------------------------------------ */ |
1176 | ||
bf094f69 QY |
1177 | /* Nexthop register */ |
1178 | static void zread_rnh_register(ZAPI_HANDLER_ARGS) | |
1179 | { | |
1180 | struct rnh *rnh; | |
1181 | struct stream *s; | |
1182 | struct prefix p; | |
1183 | unsigned short l = 0; | |
6cd9a93d | 1184 | uint8_t connected = 0; |
ed6cec97 | 1185 | uint8_t resolve_via_default; |
1d30d1f4 | 1186 | bool exist; |
906b54dd DS |
1187 | bool flag_changed = false; |
1188 | uint8_t orig_flags; | |
027db469 | 1189 | safi_t safi; |
bf094f69 QY |
1190 | |
1191 | if (IS_ZEBRA_DEBUG_NHT) | |
1192 | zlog_debug( | |
6071e5e9 | 1193 | "rnh_register msg from client %s: hdr->length=%d vrf=%u", |
bf094f69 | 1194 | zebra_route_string(client->proto), hdr->length, |
bf094f69 QY |
1195 | zvrf->vrf->vrf_id); |
1196 | ||
1197 | s = msg; | |
1198 | ||
469d6277 DS |
1199 | if (!client->nh_reg_time) |
1200 | client->nh_reg_time = monotime(NULL); | |
bf094f69 QY |
1201 | |
1202 | while (l < hdr->length) { | |
6cd9a93d | 1203 | STREAM_GETC(s, connected); |
ed6cec97 | 1204 | STREAM_GETC(s, resolve_via_default); |
027db469 | 1205 | STREAM_GETW(s, safi); |
bf094f69 QY |
1206 | STREAM_GETW(s, p.family); |
1207 | STREAM_GETC(s, p.prefixlen); | |
027db469 | 1208 | l += 7; |
bf094f69 | 1209 | if (p.family == AF_INET) { |
ab5990d8 | 1210 | client->v4_nh_watch_add_cnt++; |
bf094f69 | 1211 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1212 | zlog_debug( |
bf094f69 | 1213 | "%s: Specified prefix hdr->length %d is too large for a v4 address", |
15569c58 | 1214 | __func__, p.prefixlen); |
bf094f69 QY |
1215 | return; |
1216 | } | |
1217 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1218 | l += IPV4_MAX_BYTELEN; | |
1219 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1220 | client->v6_nh_watch_add_cnt++; |
bf094f69 | 1221 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1222 | zlog_debug( |
bf094f69 | 1223 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
15569c58 | 1224 | __func__, p.prefixlen); |
bf094f69 QY |
1225 | return; |
1226 | } | |
1227 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1228 | l += IPV6_MAX_BYTELEN; | |
1229 | } else { | |
af4c2728 | 1230 | flog_err( |
e914ccbe | 1231 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1232 | "rnh_register: Received unknown family type %d", |
bf094f69 QY |
1233 | p.family); |
1234 | return; | |
1235 | } | |
e9ac2861 | 1236 | rnh = zebra_add_rnh(&p, zvrf_id(zvrf), safi, &exist); |
1d30d1f4 DS |
1237 | if (!rnh) |
1238 | return; | |
1239 | ||
906b54dd | 1240 | orig_flags = rnh->flags; |
6cd9a93d | 1241 | if (connected && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) |
6071e5e9 | 1242 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); |
6cd9a93d DS |
1243 | else if (!connected |
1244 | && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
6071e5e9 | 1245 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); |
bf094f69 | 1246 | |
ed6cec97 DS |
1247 | if (resolve_via_default) |
1248 | SET_FLAG(rnh->flags, ZEBRA_NHT_RESOLVE_VIA_DEFAULT); | |
bf094f69 | 1249 | |
906b54dd DS |
1250 | if (orig_flags != rnh->flags) |
1251 | flag_changed = true; | |
1252 | ||
bf094f69 | 1253 | /* Anything not AF_INET/INET6 has been filtered out above */ |
906b54dd | 1254 | if (!exist || flag_changed) |
d597533a | 1255 | zebra_evaluate_rnh(zvrf, family2afi(p.family), 1, &p, |
027db469 | 1256 | safi); |
dd25a6b3 | 1257 | |
6071e5e9 | 1258 | zebra_add_rnh_client(rnh, client, zvrf_id(zvrf)); |
bf094f69 QY |
1259 | } |
1260 | ||
1261 | stream_failure: | |
1262 | return; | |
1263 | } | |
1264 | ||
1265 | /* Nexthop register */ | |
1266 | static void zread_rnh_unregister(ZAPI_HANDLER_ARGS) | |
1267 | { | |
1268 | struct rnh *rnh; | |
1269 | struct stream *s; | |
1270 | struct prefix p; | |
1271 | unsigned short l = 0; | |
027db469 | 1272 | safi_t safi; |
bf094f69 QY |
1273 | |
1274 | if (IS_ZEBRA_DEBUG_NHT) | |
1275 | zlog_debug( | |
63efca0e | 1276 | "rnh_unregister msg from client %s: hdr->length=%d vrf: %u", |
bf094f69 QY |
1277 | zebra_route_string(client->proto), hdr->length, |
1278 | zvrf->vrf->vrf_id); | |
1279 | ||
1280 | s = msg; | |
1281 | ||
1282 | while (l < hdr->length) { | |
6cd9a93d | 1283 | uint8_t ignore; |
bf094f69 | 1284 | |
6cd9a93d DS |
1285 | STREAM_GETC(s, ignore); |
1286 | if (ignore != 0) | |
ed6cec97 | 1287 | goto stream_failure; |
6cd9a93d DS |
1288 | STREAM_GETC(s, ignore); |
1289 | if (ignore != 0) | |
bf094f69 QY |
1290 | goto stream_failure; |
1291 | ||
027db469 | 1292 | STREAM_GETW(s, safi); |
bf094f69 QY |
1293 | STREAM_GETW(s, p.family); |
1294 | STREAM_GETC(s, p.prefixlen); | |
027db469 | 1295 | l += 7; |
bf094f69 | 1296 | if (p.family == AF_INET) { |
ab5990d8 | 1297 | client->v4_nh_watch_rem_cnt++; |
bf094f69 | 1298 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1299 | zlog_debug( |
bf094f69 | 1300 | "%s: Specified prefix hdr->length %d is to large for a v4 address", |
15569c58 | 1301 | __func__, p.prefixlen); |
bf094f69 QY |
1302 | return; |
1303 | } | |
1304 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1305 | l += IPV4_MAX_BYTELEN; | |
1306 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1307 | client->v6_nh_watch_rem_cnt++; |
bf094f69 | 1308 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1309 | zlog_debug( |
bf094f69 | 1310 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
15569c58 | 1311 | __func__, p.prefixlen); |
bf094f69 QY |
1312 | return; |
1313 | } | |
1314 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1315 | l += IPV6_MAX_BYTELEN; | |
1316 | } else { | |
af4c2728 | 1317 | flog_err( |
e914ccbe | 1318 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1319 | "rnh_register: Received unknown family type %d", |
bf094f69 QY |
1320 | p.family); |
1321 | return; | |
1322 | } | |
027db469 | 1323 | rnh = zebra_lookup_rnh(&p, zvrf_id(zvrf), safi); |
bf094f69 QY |
1324 | if (rnh) { |
1325 | client->nh_dereg_time = monotime(NULL); | |
6071e5e9 | 1326 | zebra_remove_rnh_client(rnh, client); |
bf094f69 QY |
1327 | } |
1328 | } | |
1329 | stream_failure: | |
1330 | return; | |
1331 | } | |
1332 | ||
1333 | #define ZEBRA_MIN_FEC_LENGTH 5 | |
1334 | ||
1335 | /* FEC register */ | |
1336 | static void zread_fec_register(ZAPI_HANDLER_ARGS) | |
1337 | { | |
1338 | struct stream *s; | |
1339 | unsigned short l = 0; | |
1340 | struct prefix p; | |
1341 | uint16_t flags; | |
57592a53 | 1342 | uint32_t label = MPLS_INVALID_LABEL; |
bf094f69 QY |
1343 | uint32_t label_index = MPLS_INVALID_LABEL_INDEX; |
1344 | ||
1345 | s = msg; | |
1346 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1347 | if (!zvrf) | |
8b1766b1 | 1348 | return; |
bf094f69 QY |
1349 | |
1350 | /* | |
1351 | * The minimum amount of data that can be sent for one fec | |
1352 | * registration | |
1353 | */ | |
1354 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1355 | flog_err( |
e914ccbe | 1356 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1357 | "fec_register: Received a fec register of hdr->length %d, it is of insufficient size to properly decode", |
1358 | hdr->length); | |
1359 | return; | |
1360 | } | |
1361 | ||
1362 | while (l < hdr->length) { | |
1363 | STREAM_GETW(s, flags); | |
1364 | memset(&p, 0, sizeof(p)); | |
1365 | STREAM_GETW(s, p.family); | |
1366 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1367 | flog_err( |
e914ccbe | 1368 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1369 | "fec_register: Received unknown family type %d", |
bf094f69 QY |
1370 | p.family); |
1371 | return; | |
1372 | } | |
1373 | STREAM_GETC(s, p.prefixlen); | |
1374 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1375 | || (p.family == AF_INET6 | |
1376 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1377 | zlog_debug( |
bf094f69 | 1378 | "%s: Specified prefix hdr->length: %d is to long for %d", |
15569c58 | 1379 | __func__, p.prefixlen, p.family); |
bf094f69 QY |
1380 | return; |
1381 | } | |
1382 | l += 5; | |
1383 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1384 | l += PSIZE(p.prefixlen); | |
57592a53 AD |
1385 | if (flags & ZEBRA_FEC_REGISTER_LABEL) { |
1386 | STREAM_GETL(s, label); | |
1387 | l += 4; | |
1388 | } else if (flags & ZEBRA_FEC_REGISTER_LABEL_INDEX) { | |
bf094f69 QY |
1389 | STREAM_GETL(s, label_index); |
1390 | l += 4; | |
57592a53 AD |
1391 | } |
1392 | ||
1393 | zebra_mpls_fec_register(zvrf, &p, label, label_index, client); | |
bf094f69 QY |
1394 | } |
1395 | ||
1396 | stream_failure: | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | /* FEC unregister */ | |
1401 | static void zread_fec_unregister(ZAPI_HANDLER_ARGS) | |
1402 | { | |
1403 | struct stream *s; | |
1404 | unsigned short l = 0; | |
1405 | struct prefix p; | |
1406 | uint16_t flags; | |
1407 | ||
1408 | s = msg; | |
1409 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1410 | if (!zvrf) | |
8b1766b1 | 1411 | return; |
bf094f69 QY |
1412 | |
1413 | /* | |
1414 | * The minimum amount of data that can be sent for one | |
1415 | * fec unregistration | |
1416 | */ | |
1417 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1418 | flog_err( |
e914ccbe | 1419 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1420 | "fec_unregister: Received a fec unregister of hdr->length %d, it is of insufficient size to properly decode", |
1421 | hdr->length); | |
1422 | return; | |
1423 | } | |
1424 | ||
1425 | while (l < hdr->length) { | |
1426 | STREAM_GETW(s, flags); | |
1427 | if (flags != 0) | |
1428 | goto stream_failure; | |
1429 | ||
1430 | memset(&p, 0, sizeof(p)); | |
1431 | STREAM_GETW(s, p.family); | |
1432 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1433 | flog_err( |
e914ccbe | 1434 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1435 | "fec_unregister: Received unknown family type %d", |
bf094f69 QY |
1436 | p.family); |
1437 | return; | |
1438 | } | |
1439 | STREAM_GETC(s, p.prefixlen); | |
1440 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1441 | || (p.family == AF_INET6 | |
1442 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1443 | zlog_debug( |
bf094f69 | 1444 | "%s: Received prefix hdr->length %d which is greater than %d can support", |
15569c58 | 1445 | __func__, p.prefixlen, p.family); |
bf094f69 QY |
1446 | return; |
1447 | } | |
1448 | l += 5; | |
1449 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1450 | l += PSIZE(p.prefixlen); | |
1451 | zebra_mpls_fec_unregister(zvrf, &p, client); | |
1452 | } | |
1453 | ||
1454 | stream_failure: | |
1455 | return; | |
1456 | } | |
1457 | ||
1458 | ||
1459 | /* | |
1460 | * Register zebra server interface information. | |
1461 | * Send current all interface and address information. | |
1462 | */ | |
1463 | static void zread_interface_add(ZAPI_HANDLER_ARGS) | |
1464 | { | |
1465 | struct vrf *vrf; | |
1466 | struct interface *ifp; | |
1467 | ||
9212d1e1 | 1468 | vrf_id_t vrf_id = zvrf_id(zvrf); |
1469 | if (vrf_id != VRF_DEFAULT && vrf_id != VRF_UNKNOWN) { | |
1470 | FOR_ALL_INTERFACES (zvrf->vrf, ifp) { | |
1471 | /* Skip pseudo interface. */ | |
1472 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1473 | continue; | |
1474 | ||
1475 | zsend_interface_add(client, ifp); | |
1476 | zsend_interface_link_params(client, ifp); | |
1477 | zsend_interface_addresses(client, ifp); | |
1478 | } | |
1479 | return; | |
1480 | } | |
1481 | ||
bf094f69 QY |
1482 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
1483 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1484 | /* Skip pseudo interface. */ | |
1485 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1486 | continue; | |
1487 | ||
1488 | zsend_interface_add(client, ifp); | |
27ecbea3 | 1489 | zsend_interface_link_params(client, ifp); |
bf094f69 QY |
1490 | zsend_interface_addresses(client, ifp); |
1491 | } | |
1492 | } | |
1493 | } | |
1494 | ||
1495 | /* Unregister zebra server interface information. */ | |
1496 | static void zread_interface_delete(ZAPI_HANDLER_ARGS) | |
1497 | { | |
bf094f69 QY |
1498 | } |
1499 | ||
c3bd894e QY |
1500 | /* |
1501 | * Handle message requesting interface be set up or down. | |
1502 | */ | |
1503 | static void zread_interface_set_protodown(ZAPI_HANDLER_ARGS) | |
1504 | { | |
1505 | ifindex_t ifindex; | |
1506 | struct interface *ifp; | |
1507 | char down; | |
5d414138 | 1508 | enum protodown_reasons reason; |
c3bd894e QY |
1509 | |
1510 | STREAM_GETL(msg, ifindex); | |
1511 | STREAM_GETC(msg, down); | |
1512 | ||
1513 | /* set ifdown */ | |
1514 | ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), ifindex); | |
c3bd894e | 1515 | |
5d414138 | 1516 | if (!ifp) { |
65dc7dd3 QY |
1517 | zlog_warn( |
1518 | "Cannot set protodown %s for interface %u; does not exist", | |
1519 | down ? "on" : "off", ifindex); | |
5d414138 SW |
1520 | |
1521 | return; | |
1522 | } | |
1523 | ||
1524 | switch (client->proto) { | |
1525 | case ZEBRA_ROUTE_VRRP: | |
1526 | reason = ZEBRA_PROTODOWN_VRRP; | |
1527 | break; | |
1528 | case ZEBRA_ROUTE_SHARP: | |
1529 | reason = ZEBRA_PROTODOWN_SHARP; | |
1530 | break; | |
1531 | default: | |
1532 | reason = 0; | |
1533 | break; | |
65dc7dd3 QY |
1534 | } |
1535 | ||
5d414138 | 1536 | zebra_if_set_protodown(ifp, down, reason); |
c3bd894e QY |
1537 | |
1538 | stream_failure: | |
1539 | return; | |
1540 | } | |
1541 | ||
786a9bd9 | 1542 | bool zserv_nexthop_num_warn(const char *caller, const struct prefix *p, |
bf094f69 QY |
1543 | const unsigned int nexthop_num) |
1544 | { | |
b3f2b590 | 1545 | if (nexthop_num > zrouter.multipath_num) { |
bf094f69 | 1546 | char buff[PREFIX2STR_BUFFER]; |
8b1766b1 | 1547 | |
e270f004 SW |
1548 | if (p) |
1549 | prefix2str(p, buff, sizeof(buff)); | |
1550 | ||
9df414fe | 1551 | flog_warn( |
e914ccbe | 1552 | EC_ZEBRA_MORE_NH_THAN_MULTIPATH, |
bf094f69 | 1553 | "%s: Prefix %s has %d nexthops, but we can only use the first %d", |
e270f004 SW |
1554 | caller, (p ? buff : "(NULL)"), nexthop_num, |
1555 | zrouter.multipath_num); | |
786a9bd9 | 1556 | return true; |
bf094f69 | 1557 | } |
786a9bd9 DS |
1558 | |
1559 | return false; | |
bf094f69 QY |
1560 | } |
1561 | ||
62e46303 MS |
1562 | /* |
1563 | * Create a new nexthop based on a zapi nexthop. | |
1564 | */ | |
2f35a820 DS |
1565 | static struct nexthop *nexthop_from_zapi(const struct zapi_nexthop *api_nh, |
1566 | uint32_t flags, struct prefix *p, | |
1567 | uint16_t backup_nexthop_num) | |
62e46303 MS |
1568 | { |
1569 | struct nexthop *nexthop = NULL; | |
1570 | struct ipaddr vtep_ip; | |
1571 | struct interface *ifp; | |
474aebd9 | 1572 | int i; |
62e46303 MS |
1573 | char nhbuf[INET6_ADDRSTRLEN] = ""; |
1574 | ||
62e46303 MS |
1575 | switch (api_nh->type) { |
1576 | case NEXTHOP_TYPE_IFINDEX: | |
1577 | nexthop = nexthop_from_ifindex(api_nh->ifindex, api_nh->vrf_id); | |
1578 | break; | |
1579 | case NEXTHOP_TYPE_IPV4: | |
1580 | if (IS_ZEBRA_DEBUG_RECV) { | |
1581 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1582 | sizeof(nhbuf)); | |
1583 | zlog_debug("%s: nh=%s, vrf_id=%d", __func__, | |
1584 | nhbuf, api_nh->vrf_id); | |
1585 | } | |
1586 | nexthop = nexthop_from_ipv4(&api_nh->gate.ipv4, NULL, | |
1587 | api_nh->vrf_id); | |
1588 | break; | |
1589 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
1590 | if (IS_ZEBRA_DEBUG_RECV) { | |
1591 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1592 | sizeof(nhbuf)); | |
1593 | zlog_debug("%s: nh=%s, vrf_id=%d, ifindex=%d", | |
1594 | __func__, nhbuf, api_nh->vrf_id, | |
1595 | api_nh->ifindex); | |
1596 | } | |
1597 | ||
1598 | nexthop = nexthop_from_ipv4_ifindex( | |
1599 | &api_nh->gate.ipv4, NULL, api_nh->ifindex, | |
1600 | api_nh->vrf_id); | |
1601 | ||
62e46303 MS |
1602 | /* Special handling for IPv4 routes sourced from EVPN: |
1603 | * the nexthop and associated MAC need to be installed. | |
1604 | */ | |
5609e70f | 1605 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_EVPN)) { |
6006b807 | 1606 | memset(&vtep_ip, 0, sizeof(vtep_ip)); |
62e46303 MS |
1607 | vtep_ip.ipa_type = IPADDR_V4; |
1608 | memcpy(&(vtep_ip.ipaddr_v4), &(api_nh->gate.ipv4), | |
1609 | sizeof(struct in_addr)); | |
8244ba34 | 1610 | zebra_rib_queue_evpn_route_add( |
ff9aca4f | 1611 | api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p); |
5609e70f | 1612 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN); |
62e46303 MS |
1613 | } |
1614 | break; | |
1615 | case NEXTHOP_TYPE_IPV6: | |
1616 | if (IS_ZEBRA_DEBUG_RECV) { | |
1617 | inet_ntop(AF_INET6, &api_nh->gate.ipv6, nhbuf, | |
1618 | sizeof(nhbuf)); | |
1619 | zlog_debug("%s: nh=%s, vrf_id=%d", __func__, | |
1620 | nhbuf, api_nh->vrf_id); | |
1621 | } | |
1622 | nexthop = nexthop_from_ipv6(&api_nh->gate.ipv6, api_nh->vrf_id); | |
1623 | break; | |
1624 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
1625 | if (IS_ZEBRA_DEBUG_RECV) { | |
1626 | inet_ntop(AF_INET6, &api_nh->gate.ipv6, nhbuf, | |
1627 | sizeof(nhbuf)); | |
1628 | zlog_debug("%s: nh=%s, vrf_id=%d, ifindex=%d", | |
1629 | __func__, nhbuf, api_nh->vrf_id, | |
1630 | api_nh->ifindex); | |
1631 | } | |
1632 | nexthop = nexthop_from_ipv6_ifindex(&api_nh->gate.ipv6, | |
1633 | api_nh->ifindex, | |
1634 | api_nh->vrf_id); | |
1635 | ||
1636 | /* Special handling for IPv6 routes sourced from EVPN: | |
1637 | * the nexthop and associated MAC need to be installed. | |
1638 | */ | |
5609e70f | 1639 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_EVPN)) { |
6006b807 | 1640 | memset(&vtep_ip, 0, sizeof(vtep_ip)); |
62e46303 MS |
1641 | vtep_ip.ipa_type = IPADDR_V6; |
1642 | memcpy(&vtep_ip.ipaddr_v6, &(api_nh->gate.ipv6), | |
1643 | sizeof(struct in6_addr)); | |
8244ba34 | 1644 | zebra_rib_queue_evpn_route_add( |
ff9aca4f | 1645 | api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p); |
5609e70f | 1646 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN); |
62e46303 MS |
1647 | } |
1648 | break; | |
1649 | case NEXTHOP_TYPE_BLACKHOLE: | |
1650 | if (IS_ZEBRA_DEBUG_RECV) | |
1651 | zlog_debug("%s: nh blackhole %d", | |
1652 | __func__, api_nh->bh_type); | |
1653 | ||
0789eb69 KM |
1654 | nexthop = |
1655 | nexthop_from_blackhole(api_nh->bh_type, api_nh->vrf_id); | |
62e46303 MS |
1656 | break; |
1657 | } | |
1658 | ||
1659 | /* Return early if we couldn't process the zapi nexthop */ | |
1660 | if (nexthop == NULL) { | |
1661 | goto done; | |
1662 | } | |
1663 | ||
12b4d77b | 1664 | /* Mark nexthop as onlink either if client has explicitly told us |
1665 | * to or if the nexthop is on an 'unnumbered' interface. | |
1666 | */ | |
62e46303 MS |
1667 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_ONLINK)) |
1668 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK); | |
12b4d77b | 1669 | else if (api_nh->type == NEXTHOP_TYPE_IPV4_IFINDEX) { |
1670 | ifp = if_lookup_by_index(api_nh->ifindex, api_nh->vrf_id); | |
1671 | if (ifp && connected_is_unnumbered(ifp)) | |
1672 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK); | |
1673 | } | |
62e46303 MS |
1674 | |
1675 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_WEIGHT)) | |
1676 | nexthop->weight = api_nh->weight; | |
1677 | ||
1d48702e | 1678 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_HAS_BACKUP)) { |
474aebd9 MS |
1679 | /* Validate count */ |
1680 | if (api_nh->backup_num > NEXTHOP_MAX_BACKUPS) { | |
1d48702e | 1681 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) |
474aebd9 MS |
1682 | zlog_debug("%s: invalid backup nh count %d", |
1683 | __func__, api_nh->backup_num); | |
1684 | nexthop_free(nexthop); | |
1685 | nexthop = NULL; | |
1686 | goto done; | |
1687 | } | |
1688 | ||
1689 | /* Copy backup info */ | |
1690 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP); | |
1691 | nexthop->backup_num = api_nh->backup_num; | |
1692 | ||
1693 | for (i = 0; i < api_nh->backup_num; i++) { | |
1694 | /* Validate backup index */ | |
2f35a820 | 1695 | if (api_nh->backup_idx[i] < backup_nexthop_num) { |
474aebd9 MS |
1696 | nexthop->backup_idx[i] = api_nh->backup_idx[i]; |
1697 | } else { | |
1698 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) | |
1699 | zlog_debug("%s: invalid backup nh idx %d", | |
1700 | __func__, | |
1701 | api_nh->backup_idx[i]); | |
1702 | nexthop_free(nexthop); | |
1703 | nexthop = NULL; | |
1704 | goto done; | |
1705 | } | |
1d48702e MS |
1706 | } |
1707 | } | |
474aebd9 | 1708 | |
62e46303 MS |
1709 | done: |
1710 | return nexthop; | |
1711 | } | |
1712 | ||
2f35a820 DS |
1713 | static bool zapi_read_nexthops(struct zserv *client, struct prefix *p, |
1714 | struct zapi_nexthop *nhops, uint32_t flags, | |
1715 | uint32_t message, uint16_t nexthop_num, | |
1716 | uint16_t backup_nh_num, | |
f70da2a3 DS |
1717 | struct nexthop_group **png, |
1718 | struct nhg_backup_info **pbnhg) | |
bf094f69 | 1719 | { |
0eb97b86 | 1720 | struct nexthop_group *ng = NULL; |
1d48702e | 1721 | struct nhg_backup_info *bnhg = NULL; |
2f35a820 | 1722 | uint16_t i; |
f70da2a3 | 1723 | struct nexthop *last_nh = NULL; |
bf094f69 | 1724 | |
f70da2a3 | 1725 | assert(!(png && pbnhg)); |
c2c02b76 | 1726 | |
2f35a820 | 1727 | if (png) |
66c28560 | 1728 | ng = nexthop_group_new(); |
bf094f69 | 1729 | |
2f35a820 | 1730 | if (pbnhg && backup_nh_num > 0) { |
f70da2a3 | 1731 | if (IS_ZEBRA_DEBUG_RECV) |
2f35a820 DS |
1732 | zlog_debug("%s: adding %d backup nexthops", __func__, |
1733 | backup_nh_num); | |
7fcb24bb | 1734 | |
66c28560 | 1735 | bnhg = zebra_nhg_backup_alloc(); |
62e46303 MS |
1736 | } |
1737 | ||
bf094f69 QY |
1738 | /* |
1739 | * TBD should _all_ of the nexthop add operations use | |
1740 | * api_nh->vrf_id instead of re->vrf_id ? I only changed | |
1741 | * for cases NEXTHOP_TYPE_IPV4 and NEXTHOP_TYPE_IPV6. | |
1742 | */ | |
f70da2a3 DS |
1743 | for (i = 0; i < nexthop_num; i++) { |
1744 | struct nexthop *nexthop; | |
1745 | enum lsp_types_t label_type; | |
1746 | char nhbuf[NEXTHOP_STRLEN]; | |
1747 | char labelbuf[MPLS_LABEL_STRLEN]; | |
1748 | struct zapi_nexthop *api_nh = &nhops[i]; | |
7fcb24bb | 1749 | |
62e46303 | 1750 | /* Convert zapi nexthop */ |
2f35a820 | 1751 | nexthop = nexthop_from_zapi(api_nh, flags, p, backup_nh_num); |
62e46303 MS |
1752 | if (!nexthop) { |
1753 | flog_warn( | |
1754 | EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
f70da2a3 DS |
1755 | "%s: Nexthops Specified: %u(%u) but we failed to properly create one", |
1756 | __func__, nexthop_num, i); | |
1757 | if (ng) | |
1758 | nexthop_group_delete(&ng); | |
1759 | if (bnhg) | |
1760 | zebra_nhg_backup_free(&bnhg); | |
1761 | return false; | |
62e46303 | 1762 | } |
7fcb24bb | 1763 | |
ff9aca4f SW |
1764 | if (bnhg |
1765 | && CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP)) { | |
f70da2a3 DS |
1766 | if (IS_ZEBRA_DEBUG_RECV) { |
1767 | nexthop2str(nexthop, nhbuf, sizeof(nhbuf)); | |
1768 | zlog_debug("%s: backup nh %s with BACKUP flag!", | |
1769 | __func__, nhbuf); | |
1770 | } | |
1771 | UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP); | |
1772 | nexthop->backup_num = 0; | |
1773 | } | |
1774 | ||
2f35a820 | 1775 | if (CHECK_FLAG(message, ZAPI_MESSAGE_SRTE)) { |
31f937fb SM |
1776 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_SRTE); |
1777 | nexthop->srte_color = api_nh->srte_color; | |
1778 | } | |
1779 | ||
62e46303 MS |
1780 | /* MPLS labels for BGP-LU or Segment Routing */ |
1781 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_LABEL) | |
1782 | && api_nh->type != NEXTHOP_TYPE_IFINDEX | |
1783 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE | |
1784 | && api_nh->label_num > 0) { | |
7fcb24bb | 1785 | |
62e46303 | 1786 | label_type = lsp_type_from_re_type(client->proto); |
62e46303 MS |
1787 | nexthop_add_labels(nexthop, label_type, |
1788 | api_nh->label_num, | |
1789 | &api_nh->labels[0]); | |
bf094f69 | 1790 | } |
bf094f69 | 1791 | |
c60c1ade | 1792 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_SEG6LOCAL) |
8689b25a HS |
1793 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE) { |
1794 | if (IS_ZEBRA_DEBUG_RECV) | |
1795 | zlog_debug("%s: adding seg6local action %s", | |
1796 | __func__, | |
1797 | seg6local_action2str( | |
1798 | api_nh->seg6local_action)); | |
1799 | ||
eab0f8f0 HS |
1800 | nexthop_add_srv6_seg6local(nexthop, |
1801 | api_nh->seg6local_action, | |
1802 | &api_nh->seg6local_ctx); | |
8689b25a HS |
1803 | } |
1804 | ||
c60c1ade | 1805 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_SEG6) |
76fb7ae4 HS |
1806 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE) { |
1807 | if (IS_ZEBRA_DEBUG_RECV) | |
1808 | zlog_debug("%s: adding seg6", __func__); | |
1809 | ||
eab0f8f0 | 1810 | nexthop_add_srv6_seg6(nexthop, &api_nh->seg6_segs); |
76fb7ae4 HS |
1811 | } |
1812 | ||
1d48702e MS |
1813 | if (IS_ZEBRA_DEBUG_RECV) { |
1814 | labelbuf[0] = '\0'; | |
1815 | nhbuf[0] = '\0'; | |
1816 | ||
1817 | nexthop2str(nexthop, nhbuf, sizeof(nhbuf)); | |
1818 | ||
1819 | if (nexthop->nh_label && | |
1820 | nexthop->nh_label->num_labels > 0) { | |
1821 | mpls_label2str(nexthop->nh_label->num_labels, | |
1822 | nexthop->nh_label->label, | |
1823 | labelbuf, sizeof(labelbuf), | |
1824 | false); | |
1825 | } | |
1826 | ||
1827 | zlog_debug("%s: nh=%s, vrf_id=%d %s", | |
1828 | __func__, nhbuf, api_nh->vrf_id, labelbuf); | |
1829 | } | |
1830 | ||
66c28560 | 1831 | if (ng) { |
f70da2a3 | 1832 | /* Add new nexthop to temporary list. This list is |
ff9aca4f SW |
1833 | * canonicalized - sorted - so that it can be hashed |
1834 | * later in route processing. We expect that the sender | |
1835 | * has sent the list sorted, and the zapi client api | |
1836 | * attempts to enforce that, so this should be | |
1837 | * inexpensive - but it is necessary to support shared | |
1838 | * nexthop-groups. | |
f70da2a3 DS |
1839 | */ |
1840 | nexthop_group_add_sorted(ng, nexthop); | |
1841 | } | |
1842 | if (bnhg) { | |
ff9aca4f SW |
1843 | /* Note that the order of the backup nexthops is |
1844 | * significant, so we don't sort this list as we do the | |
1845 | * primary nexthops, we just append. | |
f70da2a3 DS |
1846 | */ |
1847 | if (last_nh) | |
1848 | NEXTHOP_APPEND(last_nh, nexthop); | |
1849 | else | |
1850 | bnhg->nhe->nhg.nexthop = nexthop; | |
1851 | ||
1852 | last_nh = nexthop; | |
1853 | } | |
62e46303 MS |
1854 | } |
1855 | ||
66c28560 SW |
1856 | |
1857 | /* succesfully read, set caller pointers now */ | |
1858 | if (png) | |
1859 | *png = ng; | |
1860 | ||
1861 | if (pbnhg) | |
1862 | *pbnhg = bnhg; | |
1863 | ||
f70da2a3 DS |
1864 | return true; |
1865 | } | |
62e46303 | 1866 | |
5898ce6f | 1867 | static int zapi_nhg_decode(struct stream *s, int cmd, struct zapi_nhg *api_nhg) |
21735352 SW |
1868 | { |
1869 | uint16_t i; | |
1870 | struct zapi_nexthop *znh; | |
1871 | ||
1872 | STREAM_GETW(s, api_nhg->proto); | |
1873 | STREAM_GETL(s, api_nhg->id); | |
1874 | ||
1875 | if (cmd == ZEBRA_NHG_DEL) | |
1876 | goto done; | |
1877 | ||
ca2b3467 DS |
1878 | STREAM_GETW(s, api_nhg->resilience.buckets); |
1879 | STREAM_GETL(s, api_nhg->resilience.idle_timer); | |
1880 | STREAM_GETL(s, api_nhg->resilience.unbalanced_timer); | |
1881 | ||
21735352 SW |
1882 | /* Nexthops */ |
1883 | STREAM_GETW(s, api_nhg->nexthop_num); | |
1884 | ||
1885 | if (zserv_nexthop_num_warn(__func__, NULL, api_nhg->nexthop_num)) | |
1886 | return -1; | |
1887 | ||
1888 | if (api_nhg->nexthop_num <= 0) { | |
1889 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1890 | "%s: No nexthops sent", __func__); | |
1891 | return -1; | |
1892 | } | |
1893 | ||
1894 | for (i = 0; i < api_nhg->nexthop_num; i++) { | |
1895 | znh = &((api_nhg->nexthops)[i]); | |
1896 | ||
1897 | if (zapi_nexthop_decode(s, znh, 0, 0) != 0) { | |
1898 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1899 | "%s: Nexthop creation failed", __func__); | |
1900 | return -1; | |
1901 | } | |
1902 | } | |
1903 | ||
1904 | /* Backup Nexthops */ | |
1905 | STREAM_GETW(s, api_nhg->backup_nexthop_num); | |
1906 | ||
1907 | if (zserv_nexthop_num_warn(__func__, NULL, api_nhg->backup_nexthop_num)) | |
1908 | return -1; | |
1909 | ||
1910 | for (i = 0; i < api_nhg->backup_nexthop_num; i++) { | |
1911 | znh = &((api_nhg->backup_nexthops)[i]); | |
1912 | ||
1913 | if (zapi_nexthop_decode(s, znh, 0, 0) != 0) { | |
1914 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1915 | "%s: Backup Nexthop creation failed", | |
1916 | __func__); | |
1917 | return -1; | |
1918 | } | |
1919 | } | |
1920 | ||
1921 | done: | |
1922 | return 0; | |
1923 | ||
1924 | stream_failure: | |
1925 | flog_warn( | |
1926 | EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1927 | "%s: Nexthop Group decode failed with some sort of stream read failure", | |
1928 | __func__); | |
1929 | return -1; | |
1930 | } | |
1931 | ||
2f35a820 DS |
1932 | static void zread_nhg_del(ZAPI_HANDLER_ARGS) |
1933 | { | |
21735352 SW |
1934 | struct stream *s; |
1935 | struct zapi_nhg api_nhg = {}; | |
0885b1e3 | 1936 | struct nhg_hash_entry *nhe; |
2f35a820 | 1937 | |
21735352 SW |
1938 | s = msg; |
1939 | if (zapi_nhg_decode(s, hdr->command, &api_nhg) < 0) { | |
1940 | if (IS_ZEBRA_DEBUG_RECV) | |
1941 | zlog_debug("%s: Unable to decode zapi_nhg sent", | |
1942 | __func__); | |
1943 | return; | |
1944 | } | |
2f35a820 DS |
1945 | |
1946 | /* | |
1947 | * Delete the received nhg id | |
2f35a820 | 1948 | */ |
21735352 | 1949 | nhe = zebra_nhg_proto_del(api_nhg.id, api_nhg.proto); |
0885b1e3 SW |
1950 | |
1951 | if (nhe) { | |
6fae63d2 | 1952 | zebra_nhg_decrement_ref(nhe); |
ee94437e MS |
1953 | zsend_nhg_notify(api_nhg.proto, client->instance, |
1954 | client->session_id, api_nhg.id, | |
1955 | ZAPI_NHG_REMOVED); | |
0885b1e3 | 1956 | } else |
ee94437e MS |
1957 | zsend_nhg_notify(api_nhg.proto, client->instance, |
1958 | client->session_id, api_nhg.id, | |
1959 | ZAPI_NHG_REMOVE_FAIL); | |
2f35a820 DS |
1960 | } |
1961 | ||
8b2d3a0f | 1962 | static void zread_nhg_add(ZAPI_HANDLER_ARGS) |
2f35a820 DS |
1963 | { |
1964 | struct stream *s; | |
21735352 | 1965 | struct zapi_nhg api_nhg = {}; |
2f35a820 | 1966 | struct nexthop_group *nhg = NULL; |
21735352 | 1967 | struct nhg_backup_info *bnhg = NULL; |
0885b1e3 | 1968 | struct nhg_hash_entry *nhe; |
2f35a820 | 1969 | |
2f35a820 | 1970 | s = msg; |
21735352 SW |
1971 | if (zapi_nhg_decode(s, hdr->command, &api_nhg) < 0) { |
1972 | if (IS_ZEBRA_DEBUG_RECV) | |
1973 | zlog_debug("%s: Unable to decode zapi_nhg sent", | |
1974 | __func__); | |
68671c74 SW |
1975 | return; |
1976 | } | |
1977 | ||
21735352 SW |
1978 | if ((!zapi_read_nexthops(client, NULL, api_nhg.nexthops, 0, 0, |
1979 | api_nhg.nexthop_num, | |
1980 | api_nhg.backup_nexthop_num, &nhg, NULL)) | |
1981 | || (!zapi_read_nexthops(client, NULL, api_nhg.backup_nexthops, 0, 0, | |
1982 | api_nhg.backup_nexthop_num, | |
1983 | api_nhg.backup_nexthop_num, NULL, &bnhg))) { | |
2f35a820 | 1984 | |
2f35a820 | 1985 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, |
ff9aca4f | 1986 | "%s: Nexthop Group Creation failed", __func__); |
fd99142a MS |
1987 | |
1988 | /* Free any local allocations */ | |
1989 | nexthop_group_delete(&nhg); | |
1990 | zebra_nhg_backup_free(&bnhg); | |
1991 | ||
2f35a820 DS |
1992 | return; |
1993 | } | |
0885b1e3 | 1994 | |
04bec7b2 MS |
1995 | /* Create a temporary nhe */ |
1996 | nhe = zebra_nhg_alloc(); | |
1997 | nhe->id = api_nhg.id; | |
1998 | nhe->type = api_nhg.proto; | |
1999 | nhe->zapi_instance = client->instance; | |
2000 | nhe->zapi_session = client->session_id; | |
0885b1e3 | 2001 | |
04bec7b2 MS |
2002 | /* Take over the list(s) of nexthops */ |
2003 | nhe->nhg.nexthop = nhg->nexthop; | |
2004 | nhg->nexthop = NULL; | |
2005 | ||
ca2b3467 DS |
2006 | nhe->nhg.nhgr = api_nhg.resilience; |
2007 | ||
04bec7b2 MS |
2008 | if (bnhg) { |
2009 | nhe->backup_info = bnhg; | |
2010 | bnhg = NULL; | |
2011 | } | |
0885b1e3 SW |
2012 | |
2013 | /* | |
2014 | * TODO: | |
2015 | * Assume fully resolved for now and install. | |
0885b1e3 SW |
2016 | * Resolution is going to need some more work. |
2017 | */ | |
ee94437e | 2018 | |
04bec7b2 MS |
2019 | /* Enqueue to workqueue for processing */ |
2020 | rib_queue_nhe_add(nhe); | |
2021 | ||
2022 | /* Free any local allocations */ | |
2023 | nexthop_group_delete(&nhg); | |
2024 | zebra_nhg_backup_free(&bnhg); | |
2025 | ||
2f35a820 DS |
2026 | } |
2027 | ||
f70da2a3 DS |
2028 | static void zread_route_add(ZAPI_HANDLER_ARGS) |
2029 | { | |
2030 | struct stream *s; | |
2031 | struct zapi_route api; | |
2032 | afi_t afi; | |
2033 | struct prefix_ipv6 *src_p = NULL; | |
2034 | struct route_entry *re; | |
2035 | struct nexthop_group *ng = NULL; | |
2036 | struct nhg_backup_info *bnhg = NULL; | |
2037 | int ret; | |
2038 | vrf_id_t vrf_id; | |
d7ac4c4d | 2039 | struct nhg_hash_entry nhe, *n = NULL; |
0eb97b86 | 2040 | |
f70da2a3 DS |
2041 | s = msg; |
2042 | if (zapi_route_decode(s, &api) < 0) { | |
2043 | if (IS_ZEBRA_DEBUG_RECV) | |
2044 | zlog_debug("%s: Unable to decode zapi_route sent", | |
2045 | __func__); | |
2046 | return; | |
2047 | } | |
1d48702e | 2048 | |
f70da2a3 | 2049 | vrf_id = zvrf_id(zvrf); |
31f937fb | 2050 | |
2dbe669b DA |
2051 | if (IS_ZEBRA_DEBUG_RECV) |
2052 | zlog_debug("%s: p=(%u:%u)%pFX, msg flags=0x%x, flags=0x%x", | |
2053 | __func__, vrf_id, api.tableid, &api.prefix, | |
f70da2a3 | 2054 | (int)api.message, api.flags); |
0eb97b86 | 2055 | |
f70da2a3 | 2056 | /* Allocate new route. */ |
b0385873 DS |
2057 | re = zebra_rib_route_entry_new( |
2058 | vrf_id, api.type, api.instance, api.flags, api.nhgid, | |
2059 | api.tableid ? api.tableid : zvrf->table_id, api.metric, api.mtu, | |
2060 | api.distance, api.tag); | |
1d48702e | 2061 | |
27141ea9 DS |
2062 | if (!CHECK_FLAG(api.message, ZAPI_MESSAGE_NHG) |
2063 | && (!CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) | |
2064 | || api.nexthop_num == 0)) { | |
ff9aca4f SW |
2065 | flog_warn( |
2066 | EC_ZEBRA_RX_ROUTE_NO_NEXTHOPS, | |
2067 | "%s: received a route without nexthops for prefix %pFX from client %s", | |
2068 | __func__, &api.prefix, | |
2069 | zebra_route_string(client->proto)); | |
1d48702e | 2070 | |
f70da2a3 DS |
2071 | XFREE(MTYPE_RE, re); |
2072 | return; | |
2073 | } | |
1d48702e | 2074 | |
f70da2a3 | 2075 | /* Report misuse of the backup flag */ |
ff9aca4f SW |
2076 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_BACKUP_NEXTHOPS) |
2077 | && api.backup_nexthop_num == 0) { | |
f70da2a3 | 2078 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) |
ff9aca4f SW |
2079 | zlog_debug( |
2080 | "%s: client %s: BACKUP flag set but no backup nexthops, prefix %pFX", | |
2081 | __func__, zebra_route_string(client->proto), | |
2082 | &api.prefix); | |
f70da2a3 | 2083 | } |
62e46303 | 2084 | |
50db3f2f | 2085 | if (!re->nhe_id |
2b5ecd4c SW |
2086 | && (!zapi_read_nexthops(client, &api.prefix, api.nexthops, |
2087 | api.flags, api.message, api.nexthop_num, | |
2088 | api.backup_nexthop_num, &ng, NULL) | |
2089 | || !zapi_read_nexthops(client, &api.prefix, api.backup_nexthops, | |
2090 | api.flags, api.message, | |
2091 | api.backup_nexthop_num, | |
2092 | api.backup_nexthop_num, NULL, &bnhg))) { | |
21735352 SW |
2093 | |
2094 | nexthop_group_delete(&ng); | |
2095 | zebra_nhg_backup_free(&bnhg); | |
f70da2a3 DS |
2096 | XFREE(MTYPE_RE, re); |
2097 | return; | |
7fcb24bb RW |
2098 | } |
2099 | ||
a29a6001 | 2100 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_OPAQUE)) { |
b86c1f4f MS |
2101 | re->opaque = |
2102 | XMALLOC(MTYPE_RE_OPAQUE, | |
2103 | sizeof(struct re_opaque) + api.opaque.length); | |
a29a6001 DS |
2104 | re->opaque->length = api.opaque.length; |
2105 | memcpy(re->opaque->data, api.opaque.data, re->opaque->length); | |
2106 | } | |
2107 | ||
bf094f69 QY |
2108 | afi = family2afi(api.prefix.family); |
2109 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 2110 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 2111 | "%s: Received SRC Prefix but afi is not v6", |
15569c58 | 2112 | __func__); |
0eb97b86 | 2113 | nexthop_group_delete(&ng); |
1d48702e | 2114 | zebra_nhg_backup_free(&bnhg); |
b86c1f4f | 2115 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
bf094f69 QY |
2116 | XFREE(MTYPE_RE, re); |
2117 | return; | |
2118 | } | |
2119 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
2120 | src_p = &api.src_prefix; | |
2121 | ||
5e7939a5 DS |
2122 | if (api.safi != SAFI_UNICAST && api.safi != SAFI_MULTICAST) { |
2123 | flog_warn(EC_LIB_ZAPI_MISSMATCH, | |
2124 | "%s: Received safi: %d but we can only accept UNICAST or MULTICAST", | |
2125 | __func__, api.safi); | |
2126 | nexthop_group_delete(&ng); | |
1d48702e | 2127 | zebra_nhg_backup_free(&bnhg); |
b86c1f4f | 2128 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
5e7939a5 DS |
2129 | XFREE(MTYPE_RE, re); |
2130 | return; | |
2131 | } | |
1d48702e | 2132 | |
50db3f2f SW |
2133 | /* |
2134 | * If we have an ID, this proto owns the NHG it sent along with the | |
2135 | * route, so we just send the ID into rib code with it. | |
2136 | * | |
2137 | * Havent figured out how to handle backup NHs with this yet, so lets | |
2138 | * keep that separate. | |
2139 | * Include backup info with the route. We use a temporary nhe here; | |
377e29f7 MS |
2140 | * if this is a new/unknown nhe, a new copy will be allocated |
2141 | * and stored. | |
2142 | */ | |
50db3f2f SW |
2143 | if (!re->nhe_id) { |
2144 | zebra_nhe_init(&nhe, afi, ng->nexthop); | |
2145 | nhe.nhg.nexthop = ng->nexthop; | |
2146 | nhe.backup_info = bnhg; | |
d7ac4c4d | 2147 | n = zebra_nhe_copy(&nhe, 0); |
50db3f2f | 2148 | } |
d7ac4c4d DS |
2149 | ret = rib_add_multipath_nhe(afi, api.safi, &api.prefix, src_p, re, n, |
2150 | false); | |
bf094f69 | 2151 | |
f94a7703 DS |
2152 | /* |
2153 | * rib_add_multipath_nhe only fails in a couple spots | |
2154 | * and in those spots we have not freed memory | |
2155 | */ | |
38c764dd DS |
2156 | if (ret == -1) { |
2157 | client->error_cnt++; | |
b86c1f4f | 2158 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
f94a7703 | 2159 | XFREE(MTYPE_RE, re); |
38c764dd | 2160 | } |
f94a7703 | 2161 | |
377e29f7 MS |
2162 | /* At this point, these allocations are not needed: 're' has been |
2163 | * retained or freed, and if 're' still exists, it is using | |
2164 | * a reference to a shared group object. | |
2165 | */ | |
2166 | nexthop_group_delete(&ng); | |
2167 | if (bnhg) | |
2168 | zebra_nhg_backup_free(&bnhg); | |
2169 | ||
bf094f69 QY |
2170 | /* Stats */ |
2171 | switch (api.prefix.family) { | |
2172 | case AF_INET: | |
38c764dd | 2173 | if (ret == 0) |
bf094f69 | 2174 | client->v4_route_add_cnt++; |
38c764dd | 2175 | else if (ret == 1) |
bf094f69 QY |
2176 | client->v4_route_upd8_cnt++; |
2177 | break; | |
2178 | case AF_INET6: | |
38c764dd | 2179 | if (ret == 0) |
bf094f69 | 2180 | client->v6_route_add_cnt++; |
38c764dd | 2181 | else if (ret == 1) |
bf094f69 QY |
2182 | client->v6_route_upd8_cnt++; |
2183 | break; | |
2184 | } | |
2185 | } | |
2186 | ||
b86c1f4f | 2187 | void zapi_re_opaque_free(struct re_opaque *opaque) |
224ccf29 | 2188 | { |
b86c1f4f | 2189 | XFREE(MTYPE_RE_OPAQUE, opaque); |
224ccf29 DL |
2190 | } |
2191 | ||
bf094f69 QY |
2192 | static void zread_route_del(ZAPI_HANDLER_ARGS) |
2193 | { | |
2194 | struct stream *s; | |
2195 | struct zapi_route api; | |
2196 | afi_t afi; | |
2197 | struct prefix_ipv6 *src_p = NULL; | |
2198 | uint32_t table_id; | |
2199 | ||
2200 | s = msg; | |
2201 | if (zapi_route_decode(s, &api) < 0) | |
2202 | return; | |
2203 | ||
2204 | afi = family2afi(api.prefix.family); | |
2205 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 2206 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 2207 | "%s: Received a src prefix while afi is not v6", |
15569c58 | 2208 | __func__); |
bf094f69 QY |
2209 | return; |
2210 | } | |
2211 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
2212 | src_p = &api.src_prefix; | |
2213 | ||
60ca3cc2 | 2214 | if (api.tableid) |
bf094f69 QY |
2215 | table_id = api.tableid; |
2216 | else | |
2217 | table_id = zvrf->table_id; | |
2218 | ||
2dbe669b DA |
2219 | if (IS_ZEBRA_DEBUG_RECV) |
2220 | zlog_debug("%s: p=(%u:%u)%pFX, msg flags=0x%x, flags=0x%x", | |
2221 | __func__, zvrf_id(zvrf), table_id, &api.prefix, | |
c2c02b76 | 2222 | (int)api.message, api.flags); |
c2c02b76 | 2223 | |
bf094f69 | 2224 | rib_delete(afi, api.safi, zvrf_id(zvrf), api.type, api.instance, |
bc541126 | 2225 | api.flags, &api.prefix, src_p, NULL, 0, table_id, api.metric, |
3ceae22b | 2226 | api.distance, false); |
bf094f69 QY |
2227 | |
2228 | /* Stats */ | |
2229 | switch (api.prefix.family) { | |
2230 | case AF_INET: | |
2231 | client->v4_route_del_cnt++; | |
2232 | break; | |
2233 | case AF_INET6: | |
2234 | client->v6_route_del_cnt++; | |
2235 | break; | |
2236 | } | |
2237 | } | |
2238 | ||
bf094f69 | 2239 | /* MRIB Nexthop lookup for IPv4. */ |
34ee41c6 | 2240 | static void zread_nexthop_lookup_mrib(ZAPI_HANDLER_ARGS) |
bf094f69 | 2241 | { |
34ee41c6 DL |
2242 | struct ipaddr addr; |
2243 | struct route_entry *re = NULL; | |
2244 | ||
2245 | STREAM_GET_IPADDR(msg, &addr); | |
2246 | ||
2247 | switch (addr.ipa_type) { | |
2248 | case IPADDR_V4: | |
2249 | re = rib_match_ipv4_multicast(zvrf_id(zvrf), addr.ipaddr_v4, | |
2250 | NULL); | |
2251 | break; | |
2252 | case IPADDR_V6: | |
2253 | re = rib_match_ipv6_multicast(zvrf_id(zvrf), addr.ipaddr_v6, | |
2254 | NULL); | |
2255 | break; | |
2256 | case IPADDR_NONE: | |
2257 | /* ??? */ | |
2258 | goto stream_failure; | |
2259 | } | |
bf094f69 | 2260 | |
34ee41c6 | 2261 | zsend_nexthop_lookup_mrib(client, &addr, re, zvrf); |
bf094f69 QY |
2262 | |
2263 | stream_failure: | |
2264 | return; | |
2265 | } | |
2266 | ||
bf094f69 QY |
2267 | /* Register zebra server router-id information. Send current router-id */ |
2268 | static void zread_router_id_add(ZAPI_HANDLER_ARGS) | |
2269 | { | |
98a3fb0a | 2270 | afi_t afi; |
bf094f69 | 2271 | struct prefix p; |
01141358 | 2272 | struct prefix zero; |
bf094f69 | 2273 | |
98a3fb0a SM |
2274 | STREAM_GETW(msg, afi); |
2275 | ||
2276 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
2277 | zlog_warn( | |
2278 | "Invalid AFI %u while registering for router ID notifications", | |
2279 | afi); | |
2280 | goto stream_failure; | |
2281 | } | |
2282 | ||
bf094f69 | 2283 | /* Router-id information is needed. */ |
98a3fb0a | 2284 | vrf_bitmap_set(client->ridinfo[afi], zvrf_id(zvrf)); |
bf094f69 | 2285 | |
98a3fb0a | 2286 | router_id_get(afi, &p, zvrf); |
bf094f69 | 2287 | |
01141358 DS |
2288 | /* |
2289 | * If we have not officially setup a router-id let's not | |
2290 | * tell the upper level protocol about it yet. | |
2291 | */ | |
2292 | memset(&zero, 0, sizeof(zero)); | |
2293 | if ((p.family == AF_INET && p.u.prefix4.s_addr == INADDR_ANY) | |
2294 | || (p.family == AF_INET6 | |
2295 | && memcmp(&p.u.prefix6, &zero.u.prefix6, | |
2296 | sizeof(struct in6_addr)) | |
2297 | == 0)) | |
2298 | return; | |
2299 | ||
98a3fb0a SM |
2300 | zsend_router_id_update(client, afi, &p, zvrf_id(zvrf)); |
2301 | ||
2302 | stream_failure: | |
2303 | return; | |
bf094f69 QY |
2304 | } |
2305 | ||
2306 | /* Unregister zebra server router-id information. */ | |
2307 | static void zread_router_id_delete(ZAPI_HANDLER_ARGS) | |
2308 | { | |
98a3fb0a SM |
2309 | afi_t afi; |
2310 | ||
2311 | STREAM_GETW(msg, afi); | |
2312 | ||
2313 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
2314 | zlog_warn( | |
2315 | "Invalid AFI %u while unregistering from router ID notifications", | |
2316 | afi); | |
2317 | goto stream_failure; | |
2318 | } | |
2319 | ||
2320 | vrf_bitmap_unset(client->ridinfo[afi], zvrf_id(zvrf)); | |
2321 | ||
2322 | stream_failure: | |
2323 | return; | |
bf094f69 QY |
2324 | } |
2325 | ||
2326 | static void zsend_capabilities(struct zserv *client, struct zebra_vrf *zvrf) | |
2327 | { | |
2328 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2329 | ||
2330 | zclient_create_header(s, ZEBRA_CAPABILITIES, zvrf->vrf->vrf_id); | |
bb6b7f79 | 2331 | stream_putl(s, vrf_get_backend()); |
bf094f69 | 2332 | stream_putc(s, mpls_enabled); |
b3f2b590 | 2333 | stream_putl(s, zrouter.multipath_num); |
02c0866d | 2334 | stream_putc(s, zebra_mlag_get_role()); |
bf094f69 QY |
2335 | |
2336 | stream_putw_at(s, 0, stream_get_endp(s)); | |
21ccc0cf | 2337 | zserv_send_message(client, s); |
bf094f69 QY |
2338 | } |
2339 | ||
b120fe3b DS |
2340 | void zsend_capabilities_all_clients(void) |
2341 | { | |
2342 | struct listnode *node, *nnode; | |
2343 | struct zebra_vrf *zvrf; | |
2344 | struct zserv *client; | |
2345 | ||
2346 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
2347 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { | |
17da84a4 KS |
2348 | /* Do not send unsolicited messages to synchronous clients. */ |
2349 | if (client->synchronous) | |
2350 | continue; | |
2351 | ||
b120fe3b DS |
2352 | zsend_capabilities(client, zvrf); |
2353 | } | |
2354 | } | |
2355 | ||
bf094f69 QY |
2356 | /* Tie up route-type and client->sock */ |
2357 | static void zread_hello(ZAPI_HANDLER_ARGS) | |
2358 | { | |
2359 | /* type of protocol (lib/zebra.h) */ | |
2360 | uint8_t proto; | |
2361 | unsigned short instance; | |
2362 | uint8_t notify; | |
17da84a4 | 2363 | uint8_t synchronous; |
4e0b5b31 | 2364 | uint32_t session_id; |
bf094f69 QY |
2365 | |
2366 | STREAM_GETC(msg, proto); | |
2367 | STREAM_GETW(msg, instance); | |
4e0b5b31 | 2368 | STREAM_GETL(msg, session_id); |
bf094f69 | 2369 | STREAM_GETC(msg, notify); |
17da84a4 | 2370 | STREAM_GETC(msg, synchronous); |
bf094f69 QY |
2371 | if (notify) |
2372 | client->notify_owner = true; | |
2373 | ||
17da84a4 KS |
2374 | if (synchronous) |
2375 | client->synchronous = true; | |
2376 | ||
bf094f69 | 2377 | /* accept only dynamic routing protocols */ |
f23cbcda | 2378 | if ((proto < ZEBRA_ROUTE_MAX) && (proto > ZEBRA_ROUTE_CONNECT)) { |
bf094f69 QY |
2379 | zlog_notice( |
2380 | "client %d says hello and bids fair to announce only %s routes vrf=%u", | |
2381 | client->sock, zebra_route_string(proto), | |
2382 | zvrf->vrf->vrf_id); | |
2383 | if (instance) | |
2384 | zlog_notice("client protocol instance %d", instance); | |
2385 | ||
2386 | client->proto = proto; | |
2387 | client->instance = instance; | |
4e0b5b31 | 2388 | client->session_id = session_id; |
6f4aee61 S |
2389 | |
2390 | /* Graceful restart processing for client connect */ | |
2391 | zebra_gr_client_reconnect(client); | |
bf094f69 QY |
2392 | } |
2393 | ||
17da84a4 KS |
2394 | if (!client->synchronous) { |
2395 | zsend_capabilities(client, zvrf); | |
2396 | zebra_vrf_update_all(client); | |
2397 | } | |
bf094f69 QY |
2398 | stream_failure: |
2399 | return; | |
2400 | } | |
2401 | ||
2402 | /* Unregister all information in a VRF. */ | |
2403 | static void zread_vrf_unregister(ZAPI_HANDLER_ARGS) | |
2404 | { | |
2405 | int i; | |
2406 | afi_t afi; | |
2407 | ||
49db7a7b | 2408 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
bf094f69 QY |
2409 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
2410 | vrf_bitmap_unset(client->redist[afi][i], zvrf_id(zvrf)); | |
49db7a7b | 2411 | vrf_bitmap_unset(client->redist_default[afi], zvrf_id(zvrf)); |
98a3fb0a | 2412 | vrf_bitmap_unset(client->ridinfo[afi], zvrf_id(zvrf)); |
7723e8d3 | 2413 | vrf_bitmap_unset(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); |
49db7a7b | 2414 | } |
bf094f69 QY |
2415 | } |
2416 | ||
ff8d3c2d MS |
2417 | /* |
2418 | * Validate incoming zapi mpls lsp / labels message | |
2419 | */ | |
2420 | static int zapi_labels_validate(const struct zapi_labels *zl) | |
2421 | { | |
2422 | int ret = -1; | |
2423 | int i, j, idx; | |
2424 | uint32_t bits[8]; | |
2425 | uint32_t ival; | |
2426 | const struct zapi_nexthop *znh; | |
2427 | ||
2428 | /* Validate backup info: no duplicates for a single primary */ | |
2429 | if (zl->backup_nexthop_num == 0) { | |
2430 | ret = 0; | |
2431 | goto done; | |
2432 | } | |
2433 | ||
2434 | for (j = 0; j < zl->nexthop_num; j++) { | |
2435 | znh = &zl->nexthops[j]; | |
2436 | ||
2437 | memset(bits, 0, sizeof(bits)); | |
2438 | ||
2439 | for (i = 0; i < znh->backup_num; i++) { | |
2440 | idx = znh->backup_idx[i] / 32; | |
2441 | ||
2442 | ival = 1 << znh->backup_idx[i] % 32; | |
2443 | ||
2444 | /* Check whether value is already used */ | |
2445 | if (ival & bits[idx]) { | |
2446 | /* Fail */ | |
2447 | ||
2448 | if (IS_ZEBRA_DEBUG_RECV) | |
2449 | zlog_debug("%s: invalid zapi mpls message: duplicate backup nexthop index %d", | |
2450 | __func__, | |
2451 | znh->backup_idx[i]); | |
2452 | goto done; | |
2453 | } | |
2454 | ||
2455 | /* Mark index value */ | |
2456 | bits[idx] |= ival; | |
2457 | } | |
2458 | } | |
2459 | ||
2460 | ret = 0; | |
2461 | ||
2462 | done: | |
2463 | ||
2464 | return ret; | |
2465 | } | |
2466 | ||
ea6b290b RW |
2467 | /* |
2468 | * Handle request to create an MPLS LSP. | |
2469 | * | |
2470 | * A single message can fully specify an LSP with multiple nexthops. | |
2471 | * | |
2472 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
2473 | * updated to use the received label(s). | |
2474 | */ | |
2475 | static void zread_mpls_labels_add(ZAPI_HANDLER_ARGS) | |
bf094f69 QY |
2476 | { |
2477 | struct stream *s; | |
bad6b0e7 | 2478 | struct zapi_labels zl; |
bf094f69 QY |
2479 | |
2480 | /* Get input stream. */ | |
2481 | s = msg; | |
bad6b0e7 RW |
2482 | if (zapi_labels_decode(s, &zl) < 0) { |
2483 | if (IS_ZEBRA_DEBUG_RECV) | |
2484 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2485 | __func__); |
bf094f69 QY |
2486 | return; |
2487 | } | |
bf094f69 | 2488 | |
bf094f69 QY |
2489 | if (!mpls_enabled) |
2490 | return; | |
2491 | ||
ff8d3c2d MS |
2492 | /* Validate; will debug on failure */ |
2493 | if (zapi_labels_validate(&zl) < 0) | |
2494 | return; | |
2495 | ||
1548fbbc | 2496 | mpls_zapi_labels_process(true, zvrf, &zl); |
ea6b290b RW |
2497 | } |
2498 | ||
2499 | /* | |
2500 | * Handle request to delete an MPLS LSP. | |
2501 | * | |
2502 | * An LSP is identified by its type and local label. When the received message | |
2503 | * doesn't contain any nexthop, the whole LSP is deleted. Otherwise, only the | |
2504 | * listed LSP nexthops (aka NHLFEs) are deleted. | |
2505 | * | |
2506 | * When the optional ZAPI_LABELS_FTN flag is set, the labels of the specified | |
2507 | * FEC (route) nexthops are deleted. | |
2508 | */ | |
2509 | static void zread_mpls_labels_delete(ZAPI_HANDLER_ARGS) | |
2510 | { | |
2511 | struct stream *s; | |
2512 | struct zapi_labels zl; | |
2513 | ||
2514 | /* Get input stream. */ | |
2515 | s = msg; | |
2516 | if (zapi_labels_decode(s, &zl) < 0) { | |
2517 | if (IS_ZEBRA_DEBUG_RECV) | |
2518 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2519 | __func__); |
ea6b290b RW |
2520 | return; |
2521 | } | |
2522 | ||
2523 | if (!mpls_enabled) | |
2524 | return; | |
2525 | ||
2526 | if (zl.nexthop_num > 0) { | |
1548fbbc | 2527 | mpls_zapi_labels_process(false /*delete*/, zvrf, &zl); |
ea6b290b RW |
2528 | } else { |
2529 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); | |
2530 | ||
b3c49d0e | 2531 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) |
ea6b290b RW |
2532 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, |
2533 | zl.route.type, zl.route.instance); | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | /* | |
2538 | * Handle request to add an MPLS LSP or change an existing one. | |
2539 | * | |
2540 | * A single message can fully specify an LSP with multiple nexthops. | |
2541 | * | |
2542 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
2543 | * updated to use the received label(s). | |
2544 | * | |
2545 | * NOTE: zebra will use route replace semantics (make-before-break) to update | |
2546 | * the LSP in the forwarding plane if that's supported by the underlying | |
2547 | * platform. | |
2548 | */ | |
2549 | static void zread_mpls_labels_replace(ZAPI_HANDLER_ARGS) | |
2550 | { | |
2551 | struct stream *s; | |
2552 | struct zapi_labels zl; | |
2553 | ||
2554 | /* Get input stream. */ | |
2555 | s = msg; | |
2556 | if (zapi_labels_decode(s, &zl) < 0) { | |
2557 | if (IS_ZEBRA_DEBUG_RECV) | |
2558 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2559 | __func__); |
ea6b290b RW |
2560 | return; |
2561 | } | |
2562 | ||
2563 | if (!mpls_enabled) | |
2564 | return; | |
2565 | ||
ff8d3c2d MS |
2566 | /* Validate; will debug on failure */ |
2567 | if (zapi_labels_validate(&zl) < 0) | |
2568 | return; | |
2569 | ||
f2e7f4eb MS |
2570 | /* This removes everything, then re-adds from the client's |
2571 | * zapi message. Since the LSP will be processed later, on this | |
2572 | * this same pthread, all of the changes will 'appear' at once. | |
2573 | */ | |
ea6b290b RW |
2574 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); |
2575 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) | |
2576 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, | |
2577 | zl.route.type, zl.route.instance); | |
2578 | ||
f2e7f4eb | 2579 | mpls_zapi_labels_process(true, zvrf, &zl); |
bf094f69 QY |
2580 | } |
2581 | ||
31f937fb SM |
2582 | static void zread_sr_policy_set(ZAPI_HANDLER_ARGS) |
2583 | { | |
2584 | struct stream *s; | |
2585 | struct zapi_sr_policy zp; | |
2586 | struct zapi_srte_tunnel *zt; | |
2587 | struct zebra_sr_policy *policy; | |
2588 | ||
2589 | /* Get input stream. */ | |
2590 | s = msg; | |
2591 | if (zapi_sr_policy_decode(s, &zp) < 0) { | |
2592 | if (IS_ZEBRA_DEBUG_RECV) | |
2593 | zlog_debug("%s: Unable to decode zapi_sr_policy sent", | |
7d7be47e | 2594 | __func__); |
31f937fb SM |
2595 | return; |
2596 | } | |
2597 | zt = &zp.segment_list; | |
2598 | if (zt->label_num < 1) { | |
2599 | if (IS_ZEBRA_DEBUG_RECV) | |
2600 | zlog_debug( | |
2601 | "%s: SR-TE tunnel must contain at least one label", | |
7d7be47e | 2602 | __func__); |
31f937fb SM |
2603 | return; |
2604 | } | |
2605 | ||
2606 | if (!mpls_enabled) | |
2607 | return; | |
2608 | ||
2609 | policy = zebra_sr_policy_find(zp.color, &zp.endpoint); | |
6082fb42 | 2610 | if (!policy) { |
31f937fb | 2611 | policy = zebra_sr_policy_add(zp.color, &zp.endpoint, zp.name); |
6082fb42 PG |
2612 | policy->sock = client->sock; |
2613 | } | |
31f937fb SM |
2614 | /* TODO: per-VRF list of SR-TE policies. */ |
2615 | policy->zvrf = zvrf; | |
2616 | ||
2617 | zebra_sr_policy_validate(policy, &zp.segment_list); | |
2618 | } | |
2619 | ||
2620 | static void zread_sr_policy_delete(ZAPI_HANDLER_ARGS) | |
2621 | { | |
2622 | struct stream *s; | |
2623 | struct zapi_sr_policy zp; | |
2624 | struct zebra_sr_policy *policy; | |
2625 | ||
2626 | /* Get input stream. */ | |
2627 | s = msg; | |
2628 | if (zapi_sr_policy_decode(s, &zp) < 0) { | |
2629 | if (IS_ZEBRA_DEBUG_RECV) | |
2630 | zlog_debug("%s: Unable to decode zapi_sr_policy sent", | |
7d7be47e | 2631 | __func__); |
31f937fb SM |
2632 | return; |
2633 | } | |
2634 | ||
2635 | if (!mpls_enabled) | |
2636 | return; | |
2637 | ||
2638 | policy = zebra_sr_policy_find(zp.color, &zp.endpoint); | |
2639 | if (!policy) { | |
2640 | if (IS_ZEBRA_DEBUG_RECV) | |
7d7be47e | 2641 | zlog_debug("%s: Unable to find SR-TE policy", __func__); |
31f937fb SM |
2642 | return; |
2643 | } | |
2644 | ||
2645 | zebra_sr_policy_del(policy); | |
2646 | } | |
2647 | ||
2648 | int zsend_sr_policy_notify_status(uint32_t color, struct ipaddr *endpoint, | |
2649 | char *name, int status) | |
2650 | { | |
2651 | struct zserv *client; | |
2652 | struct stream *s; | |
2653 | ||
2654 | client = zserv_find_client(ZEBRA_ROUTE_SRTE, 0); | |
2655 | if (!client) { | |
2656 | if (IS_ZEBRA_DEBUG_PACKET) | |
2657 | zlog_debug( | |
2658 | "Not notifying pathd about policy %s" | |
2659 | " status change to %d", | |
2660 | name, status); | |
2661 | return 0; | |
2662 | } | |
2663 | ||
2664 | if (IS_ZEBRA_DEBUG_PACKET) | |
2665 | zlog_debug( | |
2666 | "Notifying pathd about policy %s status change" | |
2667 | " to %d", | |
2668 | name, status); | |
2669 | ||
2670 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2671 | stream_reset(s); | |
2672 | ||
2673 | zclient_create_header(s, ZEBRA_SR_POLICY_NOTIFY_STATUS, VRF_DEFAULT); | |
2674 | stream_putl(s, color); | |
2675 | stream_put_ipaddr(s, endpoint); | |
2676 | stream_write(s, name, SRTE_POLICY_NAME_MAX_LENGTH); | |
2677 | stream_putl(s, status); | |
2678 | ||
2679 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2680 | ||
2681 | return zserv_send_message(client, s); | |
2682 | } | |
2683 | ||
581e797e KS |
2684 | /* Send client close notify to client */ |
2685 | int zsend_client_close_notify(struct zserv *client, struct zserv *closed_client) | |
2686 | { | |
2687 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2688 | ||
2689 | zclient_create_header(s, ZEBRA_CLIENT_CLOSE_NOTIFY, VRF_DEFAULT); | |
2690 | ||
2691 | stream_putc(s, closed_client->proto); | |
2692 | stream_putw(s, closed_client->instance); | |
2693 | stream_putl(s, closed_client->session_id); | |
2694 | ||
2695 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2696 | ||
2697 | return zserv_send_message(client, s); | |
2698 | } | |
2699 | ||
6e68a084 HS |
2700 | int zsend_srv6_manager_get_locator_chunk_response(struct zserv *client, |
2701 | vrf_id_t vrf_id, | |
2702 | struct srv6_locator *loc) | |
2703 | { | |
1bda3e62 | 2704 | struct srv6_locator_chunk chunk = {}; |
6e68a084 HS |
2705 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2706 | ||
ac6a9479 HS |
2707 | strlcpy(chunk.locator_name, loc->name, sizeof(chunk.locator_name)); |
2708 | chunk.prefix = loc->prefix; | |
2709 | chunk.block_bits_length = loc->block_bits_length; | |
2710 | chunk.node_bits_length = loc->node_bits_length; | |
2711 | chunk.function_bits_length = loc->function_bits_length; | |
2712 | chunk.argument_bits_length = loc->argument_bits_length; | |
2713 | chunk.keep = 0; | |
2714 | chunk.proto = client->proto; | |
2715 | chunk.instance = client->instance; | |
d537287a | 2716 | chunk.flags = loc->flags; |
6e68a084 | 2717 | |
ac6a9479 HS |
2718 | zclient_create_header(s, ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK, vrf_id); |
2719 | zapi_srv6_locator_chunk_encode(s, &chunk); | |
6e68a084 | 2720 | stream_putw_at(s, 0, stream_get_endp(s)); |
6e68a084 HS |
2721 | return zserv_send_message(client, s); |
2722 | } | |
2723 | ||
bf094f69 QY |
2724 | /* Send response to a table manager connect request to client */ |
2725 | static void zread_table_manager_connect(struct zserv *client, | |
2726 | struct stream *msg, vrf_id_t vrf_id) | |
2727 | { | |
2728 | struct stream *s; | |
2729 | uint8_t proto; | |
2730 | uint16_t instance; | |
c479e756 | 2731 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
bf094f69 QY |
2732 | |
2733 | s = msg; | |
2734 | ||
2735 | /* Get data. */ | |
2736 | STREAM_GETC(s, proto); | |
2737 | STREAM_GETW(s, instance); | |
2738 | ||
2739 | /* accept only dynamic routing protocols */ | |
2740 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 2741 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
2742 | "client %d has wrong protocol %s", client->sock, |
2743 | zebra_route_string(proto)); | |
bf094f69 QY |
2744 | zsend_table_manager_connect_response(client, vrf_id, 1); |
2745 | return; | |
2746 | } | |
c479e756 DS |
2747 | zlog_notice("client %d with vrf %s(%u) instance %u connected as %s", |
2748 | client->sock, VRF_LOGNAME(vrf), vrf_id, instance, | |
2749 | zebra_route_string(proto)); | |
bf094f69 QY |
2750 | client->proto = proto; |
2751 | client->instance = instance; | |
2752 | ||
2753 | /* | |
2754 | * Release previous labels of same protocol and instance. | |
2755 | * This is done in case it restarted from an unexpected shutdown. | |
2756 | */ | |
453844ab | 2757 | release_daemon_table_chunks(client); |
bf094f69 QY |
2758 | |
2759 | zsend_table_manager_connect_response(client, vrf_id, 0); | |
2760 | ||
2761 | stream_failure: | |
2762 | return; | |
2763 | } | |
2764 | ||
2765 | static void zread_label_manager_connect(struct zserv *client, | |
2766 | struct stream *msg, vrf_id_t vrf_id) | |
2767 | { | |
2768 | struct stream *s; | |
2769 | /* type of protocol (lib/zebra.h) */ | |
2770 | uint8_t proto; | |
2771 | unsigned short instance; | |
2772 | ||
2773 | /* Get input stream. */ | |
2774 | s = msg; | |
2775 | ||
2776 | /* Get data. */ | |
2777 | STREAM_GETC(s, proto); | |
2778 | STREAM_GETW(s, instance); | |
2779 | ||
2780 | /* accept only dynamic routing protocols */ | |
2781 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 2782 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
2783 | "client %d has wrong protocol %s", client->sock, |
2784 | zebra_route_string(proto)); | |
e11d7c96 | 2785 | zsend_label_manager_connect_response(client, vrf_id, 1); |
bf094f69 QY |
2786 | return; |
2787 | } | |
e11d7c96 EDP |
2788 | |
2789 | /* recall proto and instance in this socket */ | |
bf094f69 QY |
2790 | client->proto = proto; |
2791 | client->instance = instance; | |
2792 | ||
e11d7c96 | 2793 | /* call hook for connection using wrapper */ |
4cebdb9b | 2794 | lm_client_connect_call(client, vrf_id); |
bf094f69 QY |
2795 | |
2796 | stream_failure: | |
2797 | return; | |
2798 | } | |
2799 | ||
2800 | static void zread_get_label_chunk(struct zserv *client, struct stream *msg, | |
2801 | vrf_id_t vrf_id) | |
2802 | { | |
2803 | struct stream *s; | |
2804 | uint8_t keep; | |
0e3b6a92 | 2805 | uint32_t size, base; |
e11d7c96 | 2806 | struct label_manager_chunk *lmc = NULL; |
5dffb0e9 FR |
2807 | uint8_t proto; |
2808 | unsigned short instance; | |
bf094f69 QY |
2809 | |
2810 | /* Get input stream. */ | |
2811 | s = msg; | |
2812 | ||
2813 | /* Get data. */ | |
5dffb0e9 FR |
2814 | STREAM_GETC(s, proto); |
2815 | STREAM_GETW(s, instance); | |
bf094f69 QY |
2816 | STREAM_GETC(s, keep); |
2817 | STREAM_GETL(s, size); | |
0e3b6a92 | 2818 | STREAM_GETL(s, base); |
bf094f69 | 2819 | |
4cebdb9b MS |
2820 | assert(proto == client->proto && instance == client->instance); |
2821 | ||
e11d7c96 | 2822 | /* call hook to get a chunk using wrapper */ |
4cebdb9b | 2823 | lm_get_chunk_call(&lmc, client, keep, size, base, vrf_id); |
bf094f69 | 2824 | |
bf094f69 QY |
2825 | stream_failure: |
2826 | return; | |
2827 | } | |
2828 | ||
2829 | static void zread_release_label_chunk(struct zserv *client, struct stream *msg) | |
2830 | { | |
2831 | struct stream *s; | |
2832 | uint32_t start, end; | |
5dffb0e9 FR |
2833 | uint8_t proto; |
2834 | unsigned short instance; | |
bf094f69 QY |
2835 | |
2836 | /* Get input stream. */ | |
2837 | s = msg; | |
2838 | ||
2839 | /* Get data. */ | |
5dffb0e9 FR |
2840 | STREAM_GETC(s, proto); |
2841 | STREAM_GETW(s, instance); | |
bf094f69 QY |
2842 | STREAM_GETL(s, start); |
2843 | STREAM_GETL(s, end); | |
2844 | ||
4cebdb9b MS |
2845 | assert(proto == client->proto && instance == client->instance); |
2846 | ||
e11d7c96 | 2847 | /* call hook to release a chunk using wrapper */ |
4cebdb9b | 2848 | lm_release_chunk_call(client, start, end); |
bf094f69 QY |
2849 | |
2850 | stream_failure: | |
2851 | return; | |
2852 | } | |
e11d7c96 | 2853 | |
bf094f69 QY |
2854 | static void zread_label_manager_request(ZAPI_HANDLER_ARGS) |
2855 | { | |
e11d7c96 EDP |
2856 | if (hdr->command == ZEBRA_LABEL_MANAGER_CONNECT |
2857 | || hdr->command == ZEBRA_LABEL_MANAGER_CONNECT_ASYNC) | |
2858 | zread_label_manager_connect(client, msg, zvrf_id(zvrf)); | |
bf094f69 | 2859 | else { |
e11d7c96 EDP |
2860 | if (hdr->command == ZEBRA_GET_LABEL_CHUNK) |
2861 | zread_get_label_chunk(client, msg, zvrf_id(zvrf)); | |
2862 | else if (hdr->command == ZEBRA_RELEASE_LABEL_CHUNK) | |
2863 | zread_release_label_chunk(client, msg); | |
bf094f69 QY |
2864 | } |
2865 | } | |
2866 | ||
2867 | static void zread_get_table_chunk(struct zserv *client, struct stream *msg, | |
42d4b30e | 2868 | struct zebra_vrf *zvrf) |
bf094f69 QY |
2869 | { |
2870 | struct stream *s; | |
2871 | uint32_t size; | |
2872 | struct table_manager_chunk *tmc; | |
2873 | ||
2874 | /* Get input stream. */ | |
2875 | s = msg; | |
2876 | ||
2877 | /* Get data. */ | |
2878 | STREAM_GETL(s, size); | |
2879 | ||
42d4b30e | 2880 | tmc = assign_table_chunk(client->proto, client->instance, size, zvrf); |
bf094f69 | 2881 | if (!tmc) |
e914ccbe | 2882 | flog_err(EC_ZEBRA_TM_CANNOT_ASSIGN_CHUNK, |
1c50c1c0 QY |
2883 | "%s: Unable to assign Table Chunk of size %u", |
2884 | __func__, size); | |
bf094f69 QY |
2885 | else |
2886 | zlog_debug("Assigned Table Chunk %u - %u", tmc->start, | |
2887 | tmc->end); | |
2888 | /* send response back */ | |
42d4b30e | 2889 | zsend_assign_table_chunk_response(client, zvrf_id(zvrf), tmc); |
bf094f69 QY |
2890 | |
2891 | stream_failure: | |
2892 | return; | |
2893 | } | |
2894 | ||
42d4b30e PG |
2895 | static void zread_release_table_chunk(struct zserv *client, struct stream *msg, |
2896 | struct zebra_vrf *zvrf) | |
bf094f69 QY |
2897 | { |
2898 | struct stream *s; | |
2899 | uint32_t start, end; | |
2900 | ||
2901 | /* Get input stream. */ | |
2902 | s = msg; | |
2903 | ||
2904 | /* Get data. */ | |
2905 | STREAM_GETL(s, start); | |
2906 | STREAM_GETL(s, end); | |
2907 | ||
42d4b30e | 2908 | release_table_chunk(client->proto, client->instance, start, end, zvrf); |
bf094f69 QY |
2909 | |
2910 | stream_failure: | |
2911 | return; | |
2912 | } | |
2913 | ||
2914 | static void zread_table_manager_request(ZAPI_HANDLER_ARGS) | |
2915 | { | |
16bd37d6 | 2916 | /* to avoid sending other messages like ZEBRA_INTERFACE_UP */ |
bf094f69 QY |
2917 | if (hdr->command == ZEBRA_TABLE_MANAGER_CONNECT) |
2918 | zread_table_manager_connect(client, msg, zvrf_id(zvrf)); | |
2919 | else { | |
2920 | /* Sanity: don't allow 'unidentified' requests */ | |
2921 | if (!client->proto) { | |
af4c2728 | 2922 | flog_err( |
e914ccbe | 2923 | EC_ZEBRA_TM_ALIENS, |
16bd37d6 | 2924 | "Got SRv6 request from an unidentified client"); |
bf094f69 QY |
2925 | return; |
2926 | } | |
2927 | if (hdr->command == ZEBRA_GET_TABLE_CHUNK) | |
42d4b30e | 2928 | zread_get_table_chunk(client, msg, zvrf); |
bf094f69 | 2929 | else if (hdr->command == ZEBRA_RELEASE_TABLE_CHUNK) |
42d4b30e | 2930 | zread_release_table_chunk(client, msg, zvrf); |
bf094f69 QY |
2931 | } |
2932 | } | |
2933 | ||
6e68a084 HS |
2934 | static void zread_srv6_manager_get_locator_chunk(struct zserv *client, |
2935 | struct stream *msg, | |
2936 | vrf_id_t vrf_id) | |
2937 | { | |
2938 | struct stream *s = msg; | |
6e68a084 HS |
2939 | uint16_t len; |
2940 | char locator_name[SRV6_LOCNAME_SIZE] = {0}; | |
2941 | ||
2942 | /* Get data. */ | |
6e68a084 HS |
2943 | STREAM_GETW(s, len); |
2944 | STREAM_GET(locator_name, s, len); | |
2945 | ||
6e68a084 HS |
2946 | /* call hook to get a chunk using wrapper */ |
2947 | struct srv6_locator *loc = NULL; | |
2948 | srv6_manager_get_locator_chunk_call(&loc, client, locator_name, vrf_id); | |
2949 | ||
2950 | stream_failure: | |
2951 | return; | |
2952 | } | |
2953 | ||
2954 | static void zread_srv6_manager_release_locator_chunk(struct zserv *client, | |
2955 | struct stream *msg, | |
2956 | vrf_id_t vrf_id) | |
2957 | { | |
2958 | struct stream *s = msg; | |
6e68a084 HS |
2959 | uint16_t len; |
2960 | char locator_name[SRV6_LOCNAME_SIZE] = {0}; | |
2961 | ||
2962 | /* Get data. */ | |
6e68a084 HS |
2963 | STREAM_GETW(s, len); |
2964 | STREAM_GET(locator_name, s, len); | |
2965 | ||
6e68a084 HS |
2966 | /* call hook to release a chunk using wrapper */ |
2967 | srv6_manager_release_locator_chunk_call(client, locator_name, vrf_id); | |
2968 | ||
2969 | stream_failure: | |
2970 | return; | |
2971 | } | |
2972 | ||
2973 | static void zread_srv6_manager_request(ZAPI_HANDLER_ARGS) | |
2974 | { | |
2975 | switch (hdr->command) { | |
6e68a084 HS |
2976 | case ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK: |
2977 | zread_srv6_manager_get_locator_chunk(client, msg, | |
2978 | zvrf_id(zvrf)); | |
2979 | break; | |
2980 | case ZEBRA_SRV6_MANAGER_RELEASE_LOCATOR_CHUNK: | |
2981 | zread_srv6_manager_release_locator_chunk(client, msg, | |
2982 | zvrf_id(zvrf)); | |
2983 | break; | |
2984 | default: | |
9f900cda | 2985 | zlog_err("%s: unknown SRv6 Manager command", __func__); |
6e68a084 HS |
2986 | break; |
2987 | } | |
2988 | } | |
2989 | ||
bf094f69 QY |
2990 | static void zread_pseudowire(ZAPI_HANDLER_ARGS) |
2991 | { | |
2992 | struct stream *s; | |
3682bd90 | 2993 | char ifname[INTERFACE_NAMSIZ]; |
bf094f69 QY |
2994 | ifindex_t ifindex; |
2995 | int type; | |
2996 | int af; | |
2997 | union g_addr nexthop; | |
2998 | uint32_t local_label; | |
2999 | uint32_t remote_label; | |
3000 | uint8_t flags; | |
3001 | union pw_protocol_fields data; | |
3002 | uint8_t protocol; | |
3003 | struct zebra_pw *pw; | |
3004 | ||
3005 | /* Get input stream. */ | |
3006 | s = msg; | |
3007 | ||
3008 | /* Get data. */ | |
3682bd90 RZ |
3009 | STREAM_GET(ifname, s, INTERFACE_NAMSIZ); |
3010 | ifname[INTERFACE_NAMSIZ - 1] = '\0'; | |
bf094f69 QY |
3011 | STREAM_GETL(s, ifindex); |
3012 | STREAM_GETL(s, type); | |
3013 | STREAM_GETL(s, af); | |
3014 | switch (af) { | |
3015 | case AF_INET: | |
3016 | STREAM_GET(&nexthop.ipv4.s_addr, s, IPV4_MAX_BYTELEN); | |
3017 | break; | |
3018 | case AF_INET6: | |
3019 | STREAM_GET(&nexthop.ipv6, s, 16); | |
3020 | break; | |
3021 | default: | |
3022 | return; | |
3023 | } | |
3024 | STREAM_GETL(s, local_label); | |
3025 | STREAM_GETL(s, remote_label); | |
3026 | STREAM_GETC(s, flags); | |
3027 | STREAM_GET(&data, s, sizeof(data)); | |
3028 | protocol = client->proto; | |
3029 | ||
3030 | pw = zebra_pw_find(zvrf, ifname); | |
3031 | switch (hdr->command) { | |
3032 | case ZEBRA_PW_ADD: | |
3033 | if (pw) { | |
e914ccbe | 3034 | flog_warn(EC_ZEBRA_PSEUDOWIRE_EXISTS, |
9df414fe | 3035 | "%s: pseudowire %s already exists [%s]", |
bf094f69 QY |
3036 | __func__, ifname, |
3037 | zserv_command_string(hdr->command)); | |
3038 | return; | |
3039 | } | |
3040 | ||
3041 | zebra_pw_add(zvrf, ifname, protocol, client); | |
3042 | break; | |
3043 | case ZEBRA_PW_DELETE: | |
3044 | if (!pw) { | |
e914ccbe | 3045 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 3046 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
3047 | ifname, zserv_command_string(hdr->command)); |
3048 | return; | |
3049 | } | |
3050 | ||
3051 | zebra_pw_del(zvrf, pw); | |
3052 | break; | |
3053 | case ZEBRA_PW_SET: | |
3054 | case ZEBRA_PW_UNSET: | |
3055 | if (!pw) { | |
e914ccbe | 3056 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 3057 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
3058 | ifname, zserv_command_string(hdr->command)); |
3059 | return; | |
3060 | } | |
3061 | ||
3062 | switch (hdr->command) { | |
3063 | case ZEBRA_PW_SET: | |
3064 | pw->enabled = 1; | |
3065 | break; | |
3066 | case ZEBRA_PW_UNSET: | |
3067 | pw->enabled = 0; | |
3068 | break; | |
3069 | } | |
3070 | ||
3071 | zebra_pw_change(pw, ifindex, type, af, &nexthop, local_label, | |
3072 | remote_label, flags, &data); | |
3073 | break; | |
3074 | } | |
3075 | ||
3076 | stream_failure: | |
3077 | return; | |
3078 | } | |
3079 | ||
3080 | static void zread_interface_set_master(ZAPI_HANDLER_ARGS) | |
3081 | { | |
3082 | struct interface *master; | |
3083 | struct interface *slave; | |
3084 | struct stream *s = msg; | |
3085 | int ifindex; | |
3086 | vrf_id_t vrf_id; | |
3087 | ||
3088 | STREAM_GETL(s, vrf_id); | |
3089 | STREAM_GETL(s, ifindex); | |
3090 | master = if_lookup_by_index(ifindex, vrf_id); | |
3091 | ||
3092 | STREAM_GETL(s, vrf_id); | |
3093 | STREAM_GETL(s, ifindex); | |
3094 | slave = if_lookup_by_index(ifindex, vrf_id); | |
3095 | ||
3096 | if (!master || !slave) | |
3097 | return; | |
3098 | ||
3099 | kernel_interface_set_master(master, slave); | |
3100 | ||
3101 | stream_failure: | |
3102 | return; | |
3103 | } | |
3104 | ||
3105 | ||
3106 | static void zread_vrf_label(ZAPI_HANDLER_ARGS) | |
3107 | { | |
3108 | struct interface *ifp; | |
3109 | mpls_label_t nlabel; | |
3110 | afi_t afi; | |
3111 | struct stream *s; | |
3112 | struct zebra_vrf *def_zvrf; | |
3113 | enum lsp_types_t ltype; | |
3114 | ||
3115 | s = msg; | |
3116 | STREAM_GETL(s, nlabel); | |
3117 | STREAM_GETC(s, afi); | |
663d3a91 QY |
3118 | |
3119 | if (!(IS_VALID_AFI(afi))) { | |
3120 | zlog_warn("Invalid AFI for VRF label: %u", afi); | |
3121 | return; | |
3122 | } | |
3123 | ||
bf094f69 QY |
3124 | if (nlabel == zvrf->label[afi]) { |
3125 | /* | |
3126 | * Nothing to do here move along | |
3127 | */ | |
3128 | return; | |
3129 | } | |
3130 | ||
3131 | STREAM_GETC(s, ltype); | |
3132 | ||
3133 | if (zvrf->vrf->vrf_id != VRF_DEFAULT) | |
a36898e7 | 3134 | ifp = if_lookup_by_name(zvrf->vrf->name, zvrf->vrf->vrf_id); |
bf094f69 | 3135 | else |
a36898e7 | 3136 | ifp = if_lookup_by_name("lo", VRF_DEFAULT); |
bf094f69 QY |
3137 | |
3138 | if (!ifp) { | |
3139 | zlog_debug("Unable to find specified Interface for %s", | |
3140 | zvrf->vrf->name); | |
3141 | return; | |
3142 | } | |
3143 | ||
3144 | def_zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
3145 | ||
3146 | if (zvrf->label[afi] != MPLS_LABEL_NONE) { | |
3147 | afi_t scrubber; | |
3148 | bool really_remove; | |
3149 | ||
3150 | really_remove = true; | |
3151 | for (scrubber = AFI_IP; scrubber < AFI_MAX; scrubber++) { | |
3152 | if (scrubber == afi) | |
3153 | continue; | |
3154 | ||
3155 | if (zvrf->label[scrubber] == MPLS_LABEL_NONE) | |
3156 | continue; | |
3157 | ||
3158 | if (zvrf->label[afi] == zvrf->label[scrubber]) { | |
3159 | really_remove = false; | |
3160 | break; | |
3161 | } | |
3162 | } | |
3163 | ||
3164 | if (really_remove) | |
3165 | mpls_lsp_uninstall(def_zvrf, ltype, zvrf->label[afi], | |
3166 | NEXTHOP_TYPE_IFINDEX, NULL, | |
cc1b9746 | 3167 | ifp->ifindex, false /*backup*/); |
bf094f69 QY |
3168 | } |
3169 | ||
5065db0a RW |
3170 | if (nlabel != MPLS_LABEL_NONE) { |
3171 | mpls_label_t out_label = MPLS_LABEL_IMPLICIT_NULL; | |
3172 | mpls_lsp_install(def_zvrf, ltype, nlabel, 1, &out_label, | |
3173 | NEXTHOP_TYPE_IFINDEX, NULL, ifp->ifindex); | |
3174 | } | |
bf094f69 QY |
3175 | |
3176 | zvrf->label[afi] = nlabel; | |
06302ecb DS |
3177 | zvrf->label_proto[afi] = client->proto; |
3178 | ||
bf094f69 QY |
3179 | stream_failure: |
3180 | return; | |
3181 | } | |
3182 | ||
3183 | static inline void zread_rule(ZAPI_HANDLER_ARGS) | |
3184 | { | |
3185 | struct zebra_pbr_rule zpr; | |
3186 | struct stream *s; | |
3187 | uint32_t total, i; | |
58a1d249 | 3188 | char ifname[INTERFACE_NAMSIZ + 1] = {}; |
bf094f69 QY |
3189 | |
3190 | s = msg; | |
3191 | STREAM_GETL(s, total); | |
3192 | ||
3193 | for (i = 0; i < total; i++) { | |
3194 | memset(&zpr, 0, sizeof(zpr)); | |
3195 | ||
3196 | zpr.sock = client->sock; | |
3197 | zpr.rule.vrf_id = hdr->vrf_id; | |
3198 | STREAM_GETL(s, zpr.rule.seq); | |
3199 | STREAM_GETL(s, zpr.rule.priority); | |
3200 | STREAM_GETL(s, zpr.rule.unique); | |
f56697ef | 3201 | STREAM_GETC(s, zpr.rule.filter.ip_proto); |
bf094f69 QY |
3202 | STREAM_GETC(s, zpr.rule.filter.src_ip.family); |
3203 | STREAM_GETC(s, zpr.rule.filter.src_ip.prefixlen); | |
3204 | STREAM_GET(&zpr.rule.filter.src_ip.u.prefix, s, | |
3205 | prefix_blen(&zpr.rule.filter.src_ip)); | |
3206 | STREAM_GETW(s, zpr.rule.filter.src_port); | |
3207 | STREAM_GETC(s, zpr.rule.filter.dst_ip.family); | |
3208 | STREAM_GETC(s, zpr.rule.filter.dst_ip.prefixlen); | |
3209 | STREAM_GET(&zpr.rule.filter.dst_ip.u.prefix, s, | |
3210 | prefix_blen(&zpr.rule.filter.dst_ip)); | |
3211 | STREAM_GETW(s, zpr.rule.filter.dst_port); | |
01f23aff | 3212 | STREAM_GETC(s, zpr.rule.filter.dsfield); |
bf094f69 | 3213 | STREAM_GETL(s, zpr.rule.filter.fwmark); |
d70a31a3 EB |
3214 | |
3215 | STREAM_GETL(s, zpr.rule.action.queue_id); | |
3216 | STREAM_GETW(s, zpr.rule.action.vlan_id); | |
3217 | STREAM_GETW(s, zpr.rule.action.vlan_flags); | |
3218 | STREAM_GETW(s, zpr.rule.action.pcp); | |
3219 | ||
bf094f69 | 3220 | STREAM_GETL(s, zpr.rule.action.table); |
58a1d249 | 3221 | STREAM_GET(ifname, s, INTERFACE_NAMSIZ); |
bf094f69 | 3222 | |
58a1d249 DS |
3223 | strlcpy(zpr.ifname, ifname, sizeof(zpr.ifname)); |
3224 | strlcpy(zpr.rule.ifname, ifname, sizeof(zpr.rule.ifname)); | |
bf094f69 QY |
3225 | |
3226 | if (!is_default_prefix(&zpr.rule.filter.src_ip)) | |
3227 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_IP; | |
3228 | ||
3229 | if (!is_default_prefix(&zpr.rule.filter.dst_ip)) | |
3230 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_IP; | |
3231 | ||
3232 | if (zpr.rule.filter.src_port) | |
3233 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_PORT; | |
3234 | ||
3235 | if (zpr.rule.filter.dst_port) | |
3236 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_PORT; | |
3237 | ||
01f23aff WC |
3238 | if (zpr.rule.filter.dsfield) |
3239 | zpr.rule.filter.filter_bm |= PBR_FILTER_DSFIELD; | |
3240 | ||
f56697ef DS |
3241 | if (zpr.rule.filter.ip_proto) |
3242 | zpr.rule.filter.filter_bm |= PBR_FILTER_IP_PROTOCOL; | |
3243 | ||
bf094f69 QY |
3244 | if (zpr.rule.filter.fwmark) |
3245 | zpr.rule.filter.filter_bm |= PBR_FILTER_FWMARK; | |
3246 | ||
4719fd76 QY |
3247 | if (!(zpr.rule.filter.src_ip.family == AF_INET |
3248 | || zpr.rule.filter.src_ip.family == AF_INET6)) { | |
cc815be7 | 3249 | zlog_warn( |
6cde4b45 | 3250 | "Unsupported PBR source IP family: %s (%hhu)", |
cc815be7 QY |
3251 | family2str(zpr.rule.filter.src_ip.family), |
3252 | zpr.rule.filter.src_ip.family); | |
4719fd76 QY |
3253 | return; |
3254 | } | |
3255 | if (!(zpr.rule.filter.dst_ip.family == AF_INET | |
3256 | || zpr.rule.filter.dst_ip.family == AF_INET6)) { | |
cec72d49 | 3257 | zlog_warn( |
6cde4b45 | 3258 | "Unsupported PBR destination IP family: %s (%hhu)", |
cec72d49 DA |
3259 | family2str(zpr.rule.filter.dst_ip.family), |
3260 | zpr.rule.filter.dst_ip.family); | |
4719fd76 QY |
3261 | return; |
3262 | } | |
3263 | ||
3264 | ||
7f0ea8a4 | 3265 | zpr.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 | 3266 | if (hdr->command == ZEBRA_RULE_ADD) |
7f0ea8a4 | 3267 | zebra_pbr_add_rule(&zpr); |
bf094f69 | 3268 | else |
7f0ea8a4 | 3269 | zebra_pbr_del_rule(&zpr); |
bf094f69 QY |
3270 | } |
3271 | ||
3272 | stream_failure: | |
3273 | return; | |
3274 | } | |
3275 | ||
dfacea4a SY |
3276 | static inline void zread_tc_qdisc(ZAPI_HANDLER_ARGS) |
3277 | { | |
3278 | struct zebra_tc_qdisc qdisc; | |
3279 | struct stream *s; | |
3280 | uint32_t total, i; | |
3281 | ||
3282 | s = msg; | |
3283 | STREAM_GETL(s, total); | |
3284 | ||
3285 | for (i = 0; i < total; i++) { | |
3286 | memset(&qdisc, 0, sizeof(qdisc)); | |
3287 | ||
3288 | qdisc.sock = client->sock; | |
3289 | STREAM_GETL(s, qdisc.qdisc.ifindex); | |
3290 | STREAM_GETL(s, qdisc.qdisc.kind); | |
3291 | ||
3292 | if (hdr->command == ZEBRA_TC_QDISC_INSTALL) | |
3293 | zebra_tc_qdisc_install(&qdisc); | |
3294 | else | |
3295 | zebra_tc_qdisc_uninstall(&qdisc); | |
3296 | } | |
3297 | ||
3298 | stream_failure: | |
3299 | return; | |
3300 | } | |
3301 | ||
3302 | static inline void zread_tc_class(ZAPI_HANDLER_ARGS) | |
3303 | { | |
3304 | struct zebra_tc_class class; | |
3305 | struct stream *s; | |
3306 | uint32_t total, i; | |
3307 | ||
3308 | s = msg; | |
3309 | STREAM_GETL(s, total); | |
3310 | ||
3311 | for (i = 0; i < total; i++) { | |
3312 | memset(&class, 0, sizeof(class)); | |
3313 | ||
3314 | class.sock = client->sock; | |
3315 | STREAM_GETL(s, class.class.ifindex); | |
3316 | STREAM_GETL(s, class.class.handle); | |
3317 | STREAM_GETL(s, class.class.kind); | |
3318 | STREAM_GETQ(s, class.class.u.htb.rate); | |
3319 | STREAM_GETQ(s, class.class.u.htb.ceil); | |
3320 | ||
3321 | if (hdr->command == ZEBRA_TC_CLASS_ADD) | |
3322 | zebra_tc_class_add(&class); | |
3323 | else | |
3324 | zebra_tc_class_delete(&class); | |
3325 | } | |
3326 | ||
3327 | stream_failure: | |
3328 | return; | |
3329 | } | |
3330 | ||
3331 | static inline void zread_tc_filter(ZAPI_HANDLER_ARGS) | |
3332 | { | |
3333 | struct zebra_tc_filter filter; | |
3334 | struct stream *s; | |
3335 | uint32_t total, i; | |
3336 | ||
3337 | s = msg; | |
3338 | STREAM_GETL(s, total); | |
3339 | ||
3340 | for (i = 0; i < total; i++) { | |
3341 | memset(&filter, 0, sizeof(filter)); | |
3342 | ||
3343 | filter.sock = client->sock; | |
3344 | STREAM_GETL(s, filter.filter.ifindex); | |
3345 | STREAM_GETL(s, filter.filter.handle); | |
3346 | STREAM_GETL(s, filter.filter.priority); | |
3347 | STREAM_GETL(s, filter.filter.protocol); | |
3348 | STREAM_GETL(s, filter.filter.kind); | |
3349 | switch (filter.filter.kind) { | |
3350 | case TC_FILTER_FLOWER: { | |
3351 | STREAM_GETL(s, filter.filter.u.flower.filter_bm); | |
3352 | uint32_t filter_bm = filter.filter.u.flower.filter_bm; | |
3353 | ||
3354 | if (filter_bm & TC_FLOWER_IP_PROTOCOL) | |
3355 | STREAM_GETC(s, filter.filter.u.flower.ip_proto); | |
3356 | if (filter_bm & TC_FLOWER_SRC_IP) { | |
3357 | STREAM_GETC( | |
3358 | s, | |
3359 | filter.filter.u.flower.src_ip.family); | |
3360 | STREAM_GETC(s, filter.filter.u.flower.src_ip | |
3361 | .prefixlen); | |
3362 | STREAM_GET( | |
3363 | &filter.filter.u.flower.src_ip.u.prefix, | |
3364 | s, | |
3365 | prefix_blen(&filter.filter.u.flower | |
3366 | .src_ip)); | |
3367 | ||
3368 | if (!(filter.filter.u.flower.src_ip.family == | |
3369 | AF_INET || | |
3370 | filter.filter.u.flower.src_ip.family == | |
3371 | AF_INET6)) { | |
3372 | zlog_warn( | |
3373 | "Unsupported TC source IP family: %s (%hhu)", | |
3374 | family2str( | |
3375 | filter.filter.u.flower | |
3376 | .src_ip.family), | |
3377 | filter.filter.u.flower.src_ip | |
3378 | .family); | |
3379 | return; | |
3380 | } | |
3381 | } | |
3382 | if (filter_bm & TC_FLOWER_SRC_PORT) { | |
3383 | STREAM_GETW( | |
3384 | s, filter.filter.u.flower.src_port_min); | |
3385 | STREAM_GETW( | |
3386 | s, filter.filter.u.flower.src_port_max); | |
3387 | } | |
3388 | if (filter_bm & TC_FLOWER_DST_IP) { | |
3389 | STREAM_GETC( | |
3390 | s, | |
3391 | filter.filter.u.flower.dst_ip.family); | |
3392 | STREAM_GETC(s, filter.filter.u.flower.dst_ip | |
3393 | .prefixlen); | |
3394 | STREAM_GET( | |
3395 | &filter.filter.u.flower.dst_ip.u.prefix, | |
3396 | s, | |
3397 | prefix_blen(&filter.filter.u.flower | |
3398 | .dst_ip)); | |
3399 | if (!(filter.filter.u.flower.dst_ip.family == | |
3400 | AF_INET || | |
3401 | filter.filter.u.flower.dst_ip.family == | |
3402 | AF_INET6)) { | |
3403 | zlog_warn( | |
3404 | "Unsupported TC destination IP family: %s (%hhu)", | |
3405 | family2str( | |
3406 | filter.filter.u.flower | |
3407 | .dst_ip.family), | |
3408 | filter.filter.u.flower.dst_ip | |
3409 | .family); | |
3410 | return; | |
3411 | } | |
3412 | } | |
3413 | if (filter_bm & TC_FLOWER_DST_PORT) { | |
3414 | STREAM_GETW( | |
3415 | s, filter.filter.u.flower.dst_port_min); | |
3416 | STREAM_GETW( | |
3417 | s, filter.filter.u.flower.dst_port_max); | |
3418 | } | |
3419 | if (filter_bm & TC_FLOWER_DSFIELD) { | |
3420 | STREAM_GETC(s, filter.filter.u.flower.dsfield); | |
3421 | STREAM_GETC( | |
3422 | s, filter.filter.u.flower.dsfield_mask); | |
3423 | } | |
3424 | STREAM_GETL(s, filter.filter.u.flower.classid); | |
3425 | break; | |
3426 | } | |
3427 | default: | |
3428 | break; | |
3429 | } | |
3430 | ||
3431 | if (hdr->command == ZEBRA_TC_FILTER_ADD) | |
3432 | zebra_tc_filter_add(&filter); | |
3433 | else | |
3434 | zebra_tc_filter_delete(&filter); | |
3435 | } | |
3436 | ||
3437 | stream_failure: | |
3438 | return; | |
3439 | } | |
3440 | ||
bf094f69 QY |
3441 | static inline void zread_ipset(ZAPI_HANDLER_ARGS) |
3442 | { | |
3443 | struct zebra_pbr_ipset zpi; | |
3444 | struct stream *s; | |
3445 | uint32_t total, i; | |
3446 | ||
3447 | s = msg; | |
3448 | STREAM_GETL(s, total); | |
3449 | ||
3450 | for (i = 0; i < total; i++) { | |
3451 | memset(&zpi, 0, sizeof(zpi)); | |
3452 | ||
3453 | zpi.sock = client->sock; | |
be2028d1 | 3454 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
3455 | STREAM_GETL(s, zpi.unique); |
3456 | STREAM_GETL(s, zpi.type); | |
a60b7031 | 3457 | STREAM_GETC(s, zpi.family); |
bf094f69 QY |
3458 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); |
3459 | ||
3460 | if (hdr->command == ZEBRA_IPSET_CREATE) | |
62f20a52 | 3461 | zebra_pbr_create_ipset(&zpi); |
bf094f69 | 3462 | else |
62f20a52 | 3463 | zebra_pbr_destroy_ipset(&zpi); |
bf094f69 QY |
3464 | } |
3465 | ||
3466 | stream_failure: | |
3467 | return; | |
3468 | } | |
3469 | ||
3470 | static inline void zread_ipset_entry(ZAPI_HANDLER_ARGS) | |
3471 | { | |
3472 | struct zebra_pbr_ipset_entry zpi; | |
3473 | struct zebra_pbr_ipset ipset; | |
3474 | struct stream *s; | |
3475 | uint32_t total, i; | |
3476 | ||
3477 | s = msg; | |
3478 | STREAM_GETL(s, total); | |
3479 | ||
3480 | for (i = 0; i < total; i++) { | |
3481 | memset(&zpi, 0, sizeof(zpi)); | |
3482 | memset(&ipset, 0, sizeof(ipset)); | |
3483 | ||
3484 | zpi.sock = client->sock; | |
3485 | STREAM_GETL(s, zpi.unique); | |
3486 | STREAM_GET(&ipset.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
261462c3 | 3487 | ipset.ipset_name[ZEBRA_IPSET_NAME_SIZE - 1] = '\0'; |
bf094f69 QY |
3488 | STREAM_GETC(s, zpi.src.family); |
3489 | STREAM_GETC(s, zpi.src.prefixlen); | |
3490 | STREAM_GET(&zpi.src.u.prefix, s, prefix_blen(&zpi.src)); | |
3491 | STREAM_GETC(s, zpi.dst.family); | |
3492 | STREAM_GETC(s, zpi.dst.prefixlen); | |
3493 | STREAM_GET(&zpi.dst.u.prefix, s, prefix_blen(&zpi.dst)); | |
3494 | ||
25d760c5 PG |
3495 | STREAM_GETW(s, zpi.src_port_min); |
3496 | STREAM_GETW(s, zpi.src_port_max); | |
3497 | STREAM_GETW(s, zpi.dst_port_min); | |
3498 | STREAM_GETW(s, zpi.dst_port_max); | |
3499 | STREAM_GETC(s, zpi.proto); | |
bf094f69 QY |
3500 | if (!is_default_prefix(&zpi.src)) |
3501 | zpi.filter_bm |= PBR_FILTER_SRC_IP; | |
3502 | ||
3503 | if (!is_default_prefix(&zpi.dst)) | |
3504 | zpi.filter_bm |= PBR_FILTER_DST_IP; | |
be729dd7 | 3505 | if (zpi.dst_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 | 3506 | zpi.filter_bm |= PBR_FILTER_DST_PORT; |
be729dd7 | 3507 | if (zpi.src_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 PG |
3508 | zpi.filter_bm |= PBR_FILTER_SRC_PORT; |
3509 | if (zpi.dst_port_max != 0) | |
3510 | zpi.filter_bm |= PBR_FILTER_DST_PORT_RANGE; | |
3511 | if (zpi.src_port_max != 0) | |
3512 | zpi.filter_bm |= PBR_FILTER_SRC_PORT_RANGE; | |
3513 | if (zpi.proto != 0) | |
3514 | zpi.filter_bm |= PBR_FILTER_PROTO; | |
bf094f69 | 3515 | |
9863725c QY |
3516 | if (!(zpi.dst.family == AF_INET |
3517 | || zpi.dst.family == AF_INET6)) { | |
cec72d49 | 3518 | zlog_warn( |
6cde4b45 | 3519 | "Unsupported PBR destination IP family: %s (%hhu)", |
cec72d49 | 3520 | family2str(zpi.dst.family), zpi.dst.family); |
9863725c QY |
3521 | goto stream_failure; |
3522 | } | |
3523 | if (!(zpi.src.family == AF_INET | |
3524 | || zpi.src.family == AF_INET6)) { | |
cec72d49 | 3525 | zlog_warn( |
6cde4b45 | 3526 | "Unsupported PBR source IP family: %s (%hhu)", |
cec72d49 | 3527 | family2str(zpi.src.family), zpi.src.family); |
9863725c QY |
3528 | goto stream_failure; |
3529 | } | |
3530 | ||
bf094f69 | 3531 | /* calculate backpointer */ |
62f20a52 DS |
3532 | zpi.backpointer = |
3533 | zebra_pbr_lookup_ipset_pername(ipset.ipset_name); | |
f096bae4 DS |
3534 | |
3535 | if (!zpi.backpointer) { | |
3536 | zlog_warn("ipset name specified: %s does not exist", | |
3537 | ipset.ipset_name); | |
3538 | goto stream_failure; | |
3539 | } | |
3540 | ||
bf094f69 | 3541 | if (hdr->command == ZEBRA_IPSET_ENTRY_ADD) |
62f20a52 | 3542 | zebra_pbr_add_ipset_entry(&zpi); |
bf094f69 | 3543 | else |
62f20a52 | 3544 | zebra_pbr_del_ipset_entry(&zpi); |
bf094f69 QY |
3545 | } |
3546 | ||
3547 | stream_failure: | |
3548 | return; | |
3549 | } | |
3550 | ||
05657ec2 | 3551 | |
7723e8d3 PG |
3552 | static inline void zebra_neigh_register(ZAPI_HANDLER_ARGS) |
3553 | { | |
3554 | afi_t afi; | |
3555 | ||
3556 | STREAM_GETW(msg, afi); | |
3557 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
3558 | zlog_warn( | |
3559 | "Invalid AFI %u while registering for neighbors notifications", | |
3560 | afi); | |
3561 | goto stream_failure; | |
3562 | } | |
3563 | vrf_bitmap_set(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); | |
3564 | stream_failure: | |
3565 | return; | |
3566 | } | |
3567 | ||
3568 | static inline void zebra_neigh_unregister(ZAPI_HANDLER_ARGS) | |
3569 | { | |
3570 | afi_t afi; | |
3571 | ||
3572 | STREAM_GETW(msg, afi); | |
3573 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
3574 | zlog_warn( | |
3575 | "Invalid AFI %u while unregistering from neighbor notifications", | |
3576 | afi); | |
3577 | goto stream_failure; | |
3578 | } | |
3579 | vrf_bitmap_unset(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); | |
3580 | stream_failure: | |
3581 | return; | |
3582 | } | |
3583 | ||
d17af8dd PG |
3584 | static inline void zebra_gre_get(ZAPI_HANDLER_ARGS) |
3585 | { | |
3586 | struct stream *s; | |
3587 | ifindex_t idx; | |
3588 | struct interface *ifp; | |
3589 | struct zebra_if *zebra_if = NULL; | |
3590 | struct zebra_l2info_gre *gre_info; | |
3591 | struct interface *ifp_link = NULL; | |
3592 | vrf_id_t vrf_id_link = VRF_UNKNOWN; | |
3593 | vrf_id_t vrf_id = zvrf->vrf->vrf_id; | |
3594 | ||
3595 | s = msg; | |
3596 | STREAM_GETL(s, idx); | |
3597 | ifp = if_lookup_by_index(idx, vrf_id); | |
3598 | ||
3599 | if (ifp) | |
3600 | zebra_if = ifp->info; | |
3601 | ||
3602 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
3603 | ||
3604 | zclient_create_header(s, ZEBRA_GRE_UPDATE, vrf_id); | |
3605 | ||
3606 | if (ifp && IS_ZEBRA_IF_GRE(ifp) && zebra_if) { | |
3607 | gre_info = &zebra_if->l2info.gre; | |
3608 | ||
3609 | stream_putl(s, idx); | |
3610 | stream_putl(s, gre_info->ikey); | |
3611 | stream_putl(s, gre_info->ikey); | |
3612 | stream_putl(s, gre_info->ifindex_link); | |
3613 | ||
3614 | ifp_link = if_lookup_by_index_per_ns( | |
3615 | zebra_ns_lookup(gre_info->link_nsid), | |
3616 | gre_info->ifindex_link); | |
3617 | if (ifp_link) | |
096f7609 | 3618 | vrf_id_link = ifp_link->vrf->vrf_id; |
d17af8dd PG |
3619 | stream_putl(s, vrf_id_link); |
3620 | stream_putl(s, gre_info->vtep_ip.s_addr); | |
3621 | stream_putl(s, gre_info->vtep_ip_remote.s_addr); | |
3622 | } else { | |
3623 | stream_putl(s, idx); | |
3624 | stream_putl(s, 0); | |
3625 | stream_putl(s, 0); | |
3626 | stream_putl(s, IFINDEX_INTERNAL); | |
3627 | stream_putl(s, VRF_UNKNOWN); | |
3628 | stream_putl(s, 0); | |
bcb68fe0 | 3629 | stream_putl(s, 0); |
d17af8dd PG |
3630 | } |
3631 | /* Write packet size. */ | |
3632 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3633 | zserv_send_message(client, s); | |
3634 | ||
3635 | return; | |
3636 | stream_failure: | |
3637 | return; | |
3638 | } | |
3639 | ||
541025d6 PG |
3640 | static inline void zebra_configure_arp(ZAPI_HANDLER_ARGS) |
3641 | { | |
3642 | struct stream *s; | |
e18747a9 | 3643 | uint8_t fam; |
541025d6 PG |
3644 | ifindex_t idx; |
3645 | struct interface *ifp; | |
541025d6 PG |
3646 | |
3647 | s = msg; | |
3648 | STREAM_GETC(s, fam); | |
3649 | if (fam != AF_INET && fam != AF_INET6) | |
3650 | return; | |
3651 | STREAM_GETL(s, idx); | |
3652 | ifp = if_lookup_by_index_per_ns(zvrf->zns, idx); | |
3653 | if (!ifp) | |
3654 | return; | |
e18747a9 | 3655 | dplane_neigh_table_update(ifp, fam, 1, 0, 0); |
541025d6 PG |
3656 | stream_failure: |
3657 | return; | |
3658 | } | |
3659 | ||
d603c077 | 3660 | static inline void zebra_neigh_ip_add(ZAPI_HANDLER_ARGS) |
05657ec2 PG |
3661 | { |
3662 | struct stream *s; | |
d603c077 | 3663 | struct zapi_neigh_ip api = {}; |
05657ec2 | 3664 | int ret; |
0a27a2fe | 3665 | const struct interface *ifp; |
05657ec2 PG |
3666 | |
3667 | s = msg; | |
d603c077 | 3668 | ret = zclient_neigh_ip_decode(s, &api); |
05657ec2 PG |
3669 | if (ret < 0) |
3670 | return; | |
0a27a2fe PG |
3671 | ifp = if_lookup_by_index(api.index, zvrf_id(zvrf)); |
3672 | if (!ifp) | |
3673 | return; | |
3674 | dplane_neigh_ip_update(DPLANE_OP_NEIGH_IP_INSTALL, ifp, &api.ip_out, | |
d603c077 | 3675 | &api.ip_in, api.ndm_state, client->proto); |
05657ec2 PG |
3676 | } |
3677 | ||
0a27a2fe | 3678 | |
d603c077 | 3679 | static inline void zebra_neigh_ip_del(ZAPI_HANDLER_ARGS) |
05657ec2 PG |
3680 | { |
3681 | struct stream *s; | |
d603c077 | 3682 | struct zapi_neigh_ip api = {}; |
05657ec2 | 3683 | int ret; |
0a27a2fe | 3684 | struct interface *ifp; |
05657ec2 | 3685 | |
05657ec2 | 3686 | s = msg; |
d603c077 | 3687 | ret = zclient_neigh_ip_decode(s, &api); |
05657ec2 PG |
3688 | if (ret < 0) |
3689 | return; | |
0a27a2fe PG |
3690 | ifp = if_lookup_by_index(api.index, zvrf_id(zvrf)); |
3691 | if (!ifp) | |
3692 | return; | |
3693 | dplane_neigh_ip_update(DPLANE_OP_NEIGH_IP_DELETE, ifp, &api.ip_out, | |
d603c077 | 3694 | &api.ip_in, api.ndm_state, client->proto); |
05657ec2 PG |
3695 | } |
3696 | ||
3697 | ||
bf094f69 QY |
3698 | static inline void zread_iptable(ZAPI_HANDLER_ARGS) |
3699 | { | |
8b5c4dce QY |
3700 | struct zebra_pbr_iptable *zpi = |
3701 | XCALLOC(MTYPE_TMP, sizeof(struct zebra_pbr_iptable)); | |
bf094f69 QY |
3702 | struct stream *s; |
3703 | ||
3704 | s = msg; | |
3705 | ||
8b5c4dce QY |
3706 | zpi->interface_name_list = list_new(); |
3707 | zpi->sock = client->sock; | |
3708 | zpi->vrf_id = zvrf->vrf->vrf_id; | |
3709 | STREAM_GETL(s, zpi->unique); | |
3710 | STREAM_GETL(s, zpi->type); | |
3711 | STREAM_GETL(s, zpi->filter_bm); | |
3712 | STREAM_GETL(s, zpi->action); | |
3713 | STREAM_GETL(s, zpi->fwmark); | |
3714 | STREAM_GET(&zpi->ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
a60b7031 | 3715 | STREAM_GETC(s, zpi->family); |
8b5c4dce QY |
3716 | STREAM_GETW(s, zpi->pkt_len_min); |
3717 | STREAM_GETW(s, zpi->pkt_len_max); | |
3718 | STREAM_GETW(s, zpi->tcp_flags); | |
3719 | STREAM_GETW(s, zpi->tcp_mask_flags); | |
3720 | STREAM_GETC(s, zpi->dscp_value); | |
3721 | STREAM_GETC(s, zpi->fragment); | |
3722 | STREAM_GETC(s, zpi->protocol); | |
a60b7031 | 3723 | STREAM_GETW(s, zpi->flow_label); |
8b5c4dce QY |
3724 | STREAM_GETL(s, zpi->nb_interface); |
3725 | zebra_pbr_iptable_update_interfacelist(s, zpi); | |
bf094f69 QY |
3726 | |
3727 | if (hdr->command == ZEBRA_IPTABLE_ADD) | |
8b5c4dce | 3728 | zebra_pbr_add_iptable(zpi); |
bf094f69 | 3729 | else |
8b5c4dce QY |
3730 | zebra_pbr_del_iptable(zpi); |
3731 | ||
bf094f69 | 3732 | stream_failure: |
8b5c4dce QY |
3733 | zebra_pbr_iptable_free(zpi); |
3734 | zpi = NULL; | |
bf094f69 QY |
3735 | return; |
3736 | } | |
3737 | ||
d68e74b4 JU |
3738 | static inline void zread_neigh_discover(ZAPI_HANDLER_ARGS) |
3739 | { | |
3740 | struct stream *s; | |
3741 | ifindex_t ifindex; | |
3742 | struct interface *ifp; | |
3743 | struct prefix p; | |
3744 | struct ipaddr ip; | |
3745 | ||
3746 | s = msg; | |
3747 | ||
3748 | STREAM_GETL(s, ifindex); | |
3749 | ||
3750 | ifp = if_lookup_by_index_per_ns(zvrf->zns, ifindex); | |
3751 | if (!ifp) { | |
3752 | zlog_debug("Failed to lookup ifindex: %u", ifindex); | |
3753 | return; | |
3754 | } | |
3755 | ||
3756 | STREAM_GETC(s, p.family); | |
3757 | STREAM_GETC(s, p.prefixlen); | |
3758 | STREAM_GET(&p.u.prefix, s, prefix_blen(&p)); | |
3759 | ||
3760 | if (p.family == AF_INET) | |
3761 | SET_IPADDR_V4(&ip); | |
3762 | else | |
3763 | SET_IPADDR_V6(&ip); | |
3764 | ||
3765 | memcpy(&ip.ip.addr, &p.u.prefix, prefix_blen(&p)); | |
3766 | ||
3767 | dplane_neigh_discover(ifp, &ip); | |
3768 | ||
3769 | stream_failure: | |
3770 | return; | |
3771 | } | |
3772 | ||
b716ab61 PG |
3773 | static inline void zebra_gre_source_set(ZAPI_HANDLER_ARGS) |
3774 | { | |
3775 | struct stream *s; | |
3776 | ifindex_t idx, link_idx; | |
3777 | vrf_id_t link_vrf_id; | |
3778 | struct interface *ifp; | |
3779 | struct interface *ifp_link; | |
b716ab61 | 3780 | vrf_id_t vrf_id = zvrf->vrf->vrf_id; |
62b4b7e4 PG |
3781 | struct zebra_if *zif, *gre_zif; |
3782 | struct zebra_l2info_gre *gre_info; | |
db51f0cd | 3783 | unsigned int mtu; |
b716ab61 PG |
3784 | |
3785 | s = msg; | |
3786 | STREAM_GETL(s, idx); | |
3787 | ifp = if_lookup_by_index(idx, vrf_id); | |
3788 | STREAM_GETL(s, link_idx); | |
3789 | STREAM_GETL(s, link_vrf_id); | |
db51f0cd | 3790 | STREAM_GETL(s, mtu); |
62b4b7e4 | 3791 | |
b716ab61 PG |
3792 | ifp_link = if_lookup_by_index(link_idx, link_vrf_id); |
3793 | if (!ifp_link || !ifp) { | |
3794 | zlog_warn("GRE (index %u, VRF %u) or GRE link interface (index %u, VRF %u) not found, when setting GRE params", | |
3795 | idx, vrf_id, link_idx, link_vrf_id); | |
3796 | return; | |
3797 | } | |
62b4b7e4 PG |
3798 | |
3799 | if (!IS_ZEBRA_IF_GRE(ifp)) | |
3800 | return; | |
3801 | ||
3802 | gre_zif = (struct zebra_if *)ifp->info; | |
3803 | zif = (struct zebra_if *)ifp_link->info; | |
3804 | if (!zif || !gre_zif) | |
3805 | return; | |
3806 | ||
3807 | gre_info = &zif->l2info.gre; | |
3808 | if (!gre_info) | |
3809 | return; | |
3810 | ||
db51f0cd PG |
3811 | if (!mtu) |
3812 | mtu = ifp->mtu; | |
3813 | ||
3814 | /* if gre link already set or mtu did not change, do not set it */ | |
3815 | if (gre_zif->link && gre_zif->link == ifp_link && mtu == ifp->mtu) | |
62b4b7e4 PG |
3816 | return; |
3817 | ||
e3d3fa06 | 3818 | dplane_gre_set(ifp, ifp_link, mtu, gre_info); |
b716ab61 PG |
3819 | |
3820 | stream_failure: | |
3821 | return; | |
3822 | } | |
3823 | ||
9ab0b2a3 SW |
3824 | static void zsend_error_msg(struct zserv *client, enum zebra_error_types error, |
3825 | struct zmsghdr *bad_hdr) | |
3826 | { | |
3827 | ||
3828 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
3829 | ||
3830 | zclient_create_header(s, ZEBRA_ERROR, bad_hdr->vrf_id); | |
3831 | ||
3832 | zserv_encode_error(s, error); | |
3833 | ||
3834 | client->error_cnt++; | |
3835 | zserv_send_message(client, s); | |
3836 | } | |
3837 | ||
3838 | static void zserv_error_no_vrf(ZAPI_HANDLER_ARGS) | |
3839 | { | |
3840 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
3841 | zlog_debug("ZAPI message specifies unknown VRF: %d", | |
3842 | hdr->vrf_id); | |
3843 | ||
5ee080f0 | 3844 | zsend_error_msg(client, ZEBRA_NO_VRF, hdr); |
9ab0b2a3 SW |
3845 | } |
3846 | ||
3847 | static void zserv_error_invalid_msg_type(ZAPI_HANDLER_ARGS) | |
3848 | { | |
3849 | zlog_info("Zebra received unknown command %d", hdr->command); | |
3850 | ||
5ee080f0 | 3851 | zsend_error_msg(client, ZEBRA_INVALID_MSG_TYPE, hdr); |
9ab0b2a3 SW |
3852 | } |
3853 | ||
2b64873d | 3854 | void (*const zserv_handlers[])(ZAPI_HANDLER_ARGS) = { |
bf094f69 QY |
3855 | [ZEBRA_ROUTER_ID_ADD] = zread_router_id_add, |
3856 | [ZEBRA_ROUTER_ID_DELETE] = zread_router_id_delete, | |
3857 | [ZEBRA_INTERFACE_ADD] = zread_interface_add, | |
3858 | [ZEBRA_INTERFACE_DELETE] = zread_interface_delete, | |
c3bd894e | 3859 | [ZEBRA_INTERFACE_SET_PROTODOWN] = zread_interface_set_protodown, |
bf094f69 QY |
3860 | [ZEBRA_ROUTE_ADD] = zread_route_add, |
3861 | [ZEBRA_ROUTE_DELETE] = zread_route_del, | |
bf094f69 QY |
3862 | [ZEBRA_REDISTRIBUTE_ADD] = zebra_redistribute_add, |
3863 | [ZEBRA_REDISTRIBUTE_DELETE] = zebra_redistribute_delete, | |
3864 | [ZEBRA_REDISTRIBUTE_DEFAULT_ADD] = zebra_redistribute_default_add, | |
3865 | [ZEBRA_REDISTRIBUTE_DEFAULT_DELETE] = zebra_redistribute_default_delete, | |
34ee41c6 | 3866 | [ZEBRA_NEXTHOP_LOOKUP_MRIB] = zread_nexthop_lookup_mrib, |
bf094f69 QY |
3867 | [ZEBRA_HELLO] = zread_hello, |
3868 | [ZEBRA_NEXTHOP_REGISTER] = zread_rnh_register, | |
3869 | [ZEBRA_NEXTHOP_UNREGISTER] = zread_rnh_unregister, | |
bf094f69 QY |
3870 | [ZEBRA_BFD_DEST_UPDATE] = zebra_ptm_bfd_dst_register, |
3871 | [ZEBRA_BFD_DEST_REGISTER] = zebra_ptm_bfd_dst_register, | |
3872 | [ZEBRA_BFD_DEST_DEREGISTER] = zebra_ptm_bfd_dst_deregister, | |
d3af6147 RZ |
3873 | #if HAVE_BFDD > 0 |
3874 | [ZEBRA_BFD_DEST_REPLAY] = zebra_ptm_bfd_dst_replay, | |
3875 | #endif /* HAVE_BFDD */ | |
bf094f69 QY |
3876 | [ZEBRA_VRF_UNREGISTER] = zread_vrf_unregister, |
3877 | [ZEBRA_VRF_LABEL] = zread_vrf_label, | |
3878 | [ZEBRA_BFD_CLIENT_REGISTER] = zebra_ptm_bfd_client_register, | |
bf094f69 QY |
3879 | [ZEBRA_INTERFACE_ENABLE_RADV] = zebra_interface_radv_enable, |
3880 | [ZEBRA_INTERFACE_DISABLE_RADV] = zebra_interface_radv_disable, | |
31f937fb SM |
3881 | [ZEBRA_SR_POLICY_SET] = zread_sr_policy_set, |
3882 | [ZEBRA_SR_POLICY_DELETE] = zread_sr_policy_delete, | |
ea6b290b RW |
3883 | [ZEBRA_MPLS_LABELS_ADD] = zread_mpls_labels_add, |
3884 | [ZEBRA_MPLS_LABELS_DELETE] = zread_mpls_labels_delete, | |
3885 | [ZEBRA_MPLS_LABELS_REPLACE] = zread_mpls_labels_replace, | |
bf094f69 QY |
3886 | [ZEBRA_IPMR_ROUTE_STATS] = zebra_ipmr_route_stats, |
3887 | [ZEBRA_LABEL_MANAGER_CONNECT] = zread_label_manager_request, | |
f533be73 | 3888 | [ZEBRA_LABEL_MANAGER_CONNECT_ASYNC] = zread_label_manager_request, |
bf094f69 QY |
3889 | [ZEBRA_GET_LABEL_CHUNK] = zread_label_manager_request, |
3890 | [ZEBRA_RELEASE_LABEL_CHUNK] = zread_label_manager_request, | |
3891 | [ZEBRA_FEC_REGISTER] = zread_fec_register, | |
3892 | [ZEBRA_FEC_UNREGISTER] = zread_fec_unregister, | |
3893 | [ZEBRA_ADVERTISE_DEFAULT_GW] = zebra_vxlan_advertise_gw_macip, | |
278e26de | 3894 | [ZEBRA_ADVERTISE_SVI_MACIP] = zebra_vxlan_advertise_svi_macip, |
bf094f69 QY |
3895 | [ZEBRA_ADVERTISE_SUBNET] = zebra_vxlan_advertise_subnet, |
3896 | [ZEBRA_ADVERTISE_ALL_VNI] = zebra_vxlan_advertise_all_vni, | |
ce5160c0 AK |
3897 | [ZEBRA_REMOTE_ES_VTEP_ADD] = zebra_evpn_proc_remote_es, |
3898 | [ZEBRA_REMOTE_ES_VTEP_DEL] = zebra_evpn_proc_remote_es, | |
7e5b0b2b MS |
3899 | [ZEBRA_REMOTE_VTEP_ADD] = zebra_vxlan_remote_vtep_add_zapi, |
3900 | [ZEBRA_REMOTE_VTEP_DEL] = zebra_vxlan_remote_vtep_del_zapi, | |
bf094f69 QY |
3901 | [ZEBRA_REMOTE_MACIP_ADD] = zebra_vxlan_remote_macip_add, |
3902 | [ZEBRA_REMOTE_MACIP_DEL] = zebra_vxlan_remote_macip_del, | |
3950b52c | 3903 | [ZEBRA_DUPLICATE_ADDR_DETECTION] = zebra_vxlan_dup_addr_detection, |
bf094f69 QY |
3904 | [ZEBRA_INTERFACE_SET_MASTER] = zread_interface_set_master, |
3905 | [ZEBRA_PW_ADD] = zread_pseudowire, | |
3906 | [ZEBRA_PW_DELETE] = zread_pseudowire, | |
3907 | [ZEBRA_PW_SET] = zread_pseudowire, | |
3908 | [ZEBRA_PW_UNSET] = zread_pseudowire, | |
3909 | [ZEBRA_RULE_ADD] = zread_rule, | |
3910 | [ZEBRA_RULE_DELETE] = zread_rule, | |
3911 | [ZEBRA_TABLE_MANAGER_CONNECT] = zread_table_manager_request, | |
3912 | [ZEBRA_GET_TABLE_CHUNK] = zread_table_manager_request, | |
3913 | [ZEBRA_RELEASE_TABLE_CHUNK] = zread_table_manager_request, | |
3914 | [ZEBRA_IPSET_CREATE] = zread_ipset, | |
3915 | [ZEBRA_IPSET_DESTROY] = zread_ipset, | |
3916 | [ZEBRA_IPSET_ENTRY_ADD] = zread_ipset_entry, | |
3917 | [ZEBRA_IPSET_ENTRY_DELETE] = zread_ipset_entry, | |
3918 | [ZEBRA_IPTABLE_ADD] = zread_iptable, | |
3919 | [ZEBRA_IPTABLE_DELETE] = zread_iptable, | |
fbac9605 | 3920 | [ZEBRA_VXLAN_FLOOD_CONTROL] = zebra_vxlan_flood_control, |
ecbbc3a7 | 3921 | [ZEBRA_VXLAN_SG_REPLAY] = zebra_vxlan_sg_replay, |
ee235396 SK |
3922 | [ZEBRA_MLAG_CLIENT_REGISTER] = zebra_mlag_client_register, |
3923 | [ZEBRA_MLAG_CLIENT_UNREGISTER] = zebra_mlag_client_unregister, | |
3924 | [ZEBRA_MLAG_FORWARD_MSG] = zebra_mlag_forward_client_msg, | |
6e68a084 HS |
3925 | [ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK] = zread_srv6_manager_request, |
3926 | [ZEBRA_SRV6_MANAGER_RELEASE_LOCATOR_CHUNK] = zread_srv6_manager_request, | |
d68e74b4 | 3927 | [ZEBRA_CLIENT_CAPABILITIES] = zread_client_capabilities, |
2f35a820 | 3928 | [ZEBRA_NEIGH_DISCOVER] = zread_neigh_discover, |
8b2d3a0f | 3929 | [ZEBRA_NHG_ADD] = zread_nhg_add, |
2f35a820 | 3930 | [ZEBRA_NHG_DEL] = zread_nhg_del, |
77b38a4a | 3931 | [ZEBRA_ROUTE_NOTIFY_REQUEST] = zread_route_notify_request, |
7bfa7d02 AK |
3932 | [ZEBRA_EVPN_REMOTE_NH_ADD] = zebra_evpn_proc_remote_nh, |
3933 | [ZEBRA_EVPN_REMOTE_NH_DEL] = zebra_evpn_proc_remote_nh, | |
d603c077 PG |
3934 | [ZEBRA_NEIGH_IP_ADD] = zebra_neigh_ip_add, |
3935 | [ZEBRA_NEIGH_IP_DEL] = zebra_neigh_ip_del, | |
7723e8d3 PG |
3936 | [ZEBRA_NHRP_NEIGH_REGISTER] = zebra_neigh_register, |
3937 | [ZEBRA_NHRP_NEIGH_UNREGISTER] = zebra_neigh_unregister, | |
541025d6 | 3938 | [ZEBRA_CONFIGURE_ARP] = zebra_configure_arp, |
d17af8dd | 3939 | [ZEBRA_GRE_GET] = zebra_gre_get, |
b716ab61 | 3940 | [ZEBRA_GRE_SOURCE_SET] = zebra_gre_source_set, |
dfacea4a SY |
3941 | [ZEBRA_TC_QDISC_INSTALL] = zread_tc_qdisc, |
3942 | [ZEBRA_TC_QDISC_UNINSTALL] = zread_tc_qdisc, | |
3943 | [ZEBRA_TC_CLASS_ADD] = zread_tc_class, | |
3944 | [ZEBRA_TC_CLASS_DELETE] = zread_tc_class, | |
3945 | [ZEBRA_TC_FILTER_ADD] = zread_tc_filter, | |
3946 | [ZEBRA_TC_FILTER_DELETE] = zread_tc_filter, | |
2f35a820 | 3947 | }; |
bf094f69 | 3948 | |
79b3664a MS |
3949 | /* |
3950 | * Process a batch of zapi messages. | |
3951 | */ | |
3952 | void zserv_handle_commands(struct zserv *client, struct stream_fifo *fifo) | |
bf094f69 | 3953 | { |
904e0d88 QY |
3954 | struct zmsghdr hdr; |
3955 | struct zebra_vrf *zvrf; | |
79b3664a MS |
3956 | struct stream *msg; |
3957 | struct stream_fifo temp_fifo; | |
904e0d88 | 3958 | |
79b3664a | 3959 | stream_fifo_init(&temp_fifo); |
aa8cb964 | 3960 | |
79b3664a MS |
3961 | while (stream_fifo_head(fifo)) { |
3962 | msg = stream_fifo_pop(fifo); | |
bf094f69 | 3963 | |
79b3664a MS |
3964 | if (STREAM_READABLE(msg) > ZEBRA_MAX_PACKET_SIZ) { |
3965 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
3966 | zlog_debug( | |
3967 | "ZAPI message is %zu bytes long but the maximum packet size is %u; dropping", | |
3968 | STREAM_READABLE(msg), | |
3969 | ZEBRA_MAX_PACKET_SIZ); | |
3970 | goto continue_loop; | |
3971 | } | |
3972 | ||
3973 | zapi_parse_header(msg, &hdr); | |
3974 | ||
ec64a77b DS |
3975 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV |
3976 | && IS_ZEBRA_DEBUG_DETAIL) | |
79b3664a | 3977 | zserv_log_message(NULL, msg, &hdr); |
49b3b01f | 3978 | |
79b3664a | 3979 | hdr.length -= ZEBRA_HEADER_SIZE; |
904e0d88 | 3980 | |
79b3664a MS |
3981 | /* Before checking for a handler function, check for |
3982 | * special messages that are handled in another module; | |
3983 | * we'll treat these as opaque. | |
3984 | */ | |
3985 | if (zebra_opaque_handles_msgid(hdr.command)) { | |
3986 | /* Reset message buffer */ | |
3987 | stream_set_getp(msg, 0); | |
3988 | ||
3989 | stream_fifo_push(&temp_fifo, msg); | |
3990 | ||
3991 | /* Continue without freeing the message */ | |
3992 | msg = NULL; | |
3993 | goto continue_loop; | |
3994 | } | |
3995 | ||
3996 | /* lookup vrf */ | |
3997 | zvrf = zebra_vrf_lookup_by_id(hdr.vrf_id); | |
3998 | if (!zvrf) { | |
3999 | zserv_error_no_vrf(client, &hdr, msg, zvrf); | |
4000 | goto continue_loop; | |
4001 | } | |
4002 | ||
4003 | if (hdr.command >= array_size(zserv_handlers) | |
4004 | || zserv_handlers[hdr.command] == NULL) { | |
4005 | zserv_error_invalid_msg_type(client, &hdr, msg, zvrf); | |
4006 | goto continue_loop; | |
4007 | } | |
4008 | ||
4009 | zserv_handlers[hdr.command](client, &hdr, msg, zvrf); | |
4010 | ||
4011 | continue_loop: | |
4012 | stream_free(msg); | |
4013 | } | |
904e0d88 | 4014 | |
79b3664a MS |
4015 | /* Dispatch any special messages from the temp fifo */ |
4016 | if (stream_fifo_head(&temp_fifo) != NULL) | |
4017 | zebra_opaque_enqueue_batch(&temp_fifo); | |
9ab0b2a3 | 4018 | |
79b3664a | 4019 | stream_fifo_deinit(&temp_fifo); |
bf094f69 | 4020 | } |