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Commit | Line | Data |
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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
bf094f69 | 2 | /* |
d8647095 | 3 | * Zebra API message creation & consumption. |
bf094f69 QY |
4 | * Portions: |
5 | * Copyright (C) 1997-1999 Kunihiro Ishiguro | |
6 | * Copyright (C) 2015-2018 Cumulus Networks, Inc. | |
7 | * et al. | |
bf094f69 QY |
8 | */ |
9 | ||
10 | #include <zebra.h> | |
11 | #include <libgen.h> | |
12 | ||
13 | #include "lib/prefix.h" | |
bf094f69 QY |
14 | #include "lib/stream.h" |
15 | #include "lib/memory.h" | |
16 | #include "lib/table.h" | |
17 | #include "lib/network.h" | |
bf094f69 QY |
18 | #include "lib/log.h" |
19 | #include "lib/zclient.h" | |
20 | #include "lib/privs.h" | |
bf094f69 QY |
21 | #include "lib/nexthop.h" |
22 | #include "lib/vrf.h" | |
23 | #include "lib/libfrr.h" | |
5e7939a5 | 24 | #include "lib/lib_errors.h" |
bf094f69 | 25 | |
161e9ab7 | 26 | #include "zebra/zebra_router.h" |
bf094f69 | 27 | #include "zebra/rib.h" |
bf094f69 QY |
28 | #include "zebra/zebra_ns.h" |
29 | #include "zebra/zebra_vrf.h" | |
30 | #include "zebra/router-id.h" | |
31 | #include "zebra/redistribute.h" | |
32 | #include "zebra/debug.h" | |
33 | #include "zebra/zebra_rnh.h" | |
bf094f69 QY |
34 | #include "zebra/interface.h" |
35 | #include "zebra/zebra_ptm.h" | |
36 | #include "zebra/rtadv.h" | |
37 | #include "zebra/zebra_mpls.h" | |
38 | #include "zebra/zebra_mroute.h" | |
bf094f69 | 39 | #include "zebra/zebra_vxlan.h" |
ce5160c0 | 40 | #include "zebra/zebra_evpn_mh.h" |
bf094f69 QY |
41 | #include "zebra/rt.h" |
42 | #include "zebra/zebra_pbr.h" | |
dfacea4a | 43 | #include "zebra/zebra_tc.h" |
bf094f69 QY |
44 | #include "zebra/table_manager.h" |
45 | #include "zebra/zapi_msg.h" | |
364fed6b | 46 | #include "zebra/zebra_errors.h" |
02c0866d | 47 | #include "zebra/zebra_mlag.h" |
54bea4e5 | 48 | #include "zebra/connected.h" |
79b3664a | 49 | #include "zebra/zebra_opaque.h" |
31f937fb | 50 | #include "zebra/zebra_srte.h" |
6e68a084 | 51 | #include "zebra/zebra_srv6.h" |
bf094f69 | 52 | |
b86c1f4f | 53 | DEFINE_MTYPE_STATIC(ZEBRA, RE_OPAQUE, "Route Opaque Data"); |
224ccf29 | 54 | |
5898ce6f MS |
55 | static int zapi_nhg_decode(struct stream *s, int cmd, struct zapi_nhg *api_nhg); |
56 | ||
bf094f69 QY |
57 | /* Encoding helpers -------------------------------------------------------- */ |
58 | ||
59 | static void zserv_encode_interface(struct stream *s, struct interface *ifp) | |
60 | { | |
61 | /* Interface information. */ | |
53e60e5c | 62 | struct zebra_if *zif = ifp->info; |
19c38250 | 63 | |
bf094f69 QY |
64 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); |
65 | stream_putl(s, ifp->ifindex); | |
66 | stream_putc(s, ifp->status); | |
67 | stream_putq(s, ifp->flags); | |
68 | stream_putc(s, ifp->ptm_enable); | |
69 | stream_putc(s, ifp->ptm_status); | |
70 | stream_putl(s, ifp->metric); | |
71 | stream_putl(s, ifp->speed); | |
72 | stream_putl(s, ifp->mtu); | |
73 | stream_putl(s, ifp->mtu6); | |
74 | stream_putl(s, ifp->bandwidth); | |
53e60e5c | 75 | stream_putl(s, zif->link_ifindex); |
bf094f69 QY |
76 | stream_putl(s, ifp->ll_type); |
77 | stream_putl(s, ifp->hw_addr_len); | |
78 | if (ifp->hw_addr_len) | |
79 | stream_put(s, ifp->hw_addr, ifp->hw_addr_len); | |
80 | ||
81 | /* Then, Traffic Engineering parameters if any */ | |
82 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) { | |
83 | stream_putc(s, 1); | |
84 | zebra_interface_link_params_write(s, ifp); | |
85 | } else | |
86 | stream_putc(s, 0); | |
87 | ||
88 | /* Write packet size. */ | |
89 | stream_putw_at(s, 0, stream_get_endp(s)); | |
90 | } | |
91 | ||
92 | static void zserv_encode_vrf(struct stream *s, struct zebra_vrf *zvrf) | |
93 | { | |
94 | struct vrf_data data; | |
95 | const char *netns_name = zvrf_ns_name(zvrf); | |
96 | ||
a013777a | 97 | memset(&data, 0, sizeof(data)); |
bf094f69 QY |
98 | data.l.table_id = zvrf->table_id; |
99 | ||
100 | if (netns_name) | |
101 | strlcpy(data.l.netns_name, basename((char *)netns_name), | |
102 | NS_NAMSIZ); | |
103 | else | |
104 | memset(data.l.netns_name, 0, NS_NAMSIZ); | |
105 | /* Pass the tableid and the netns NAME */ | |
106 | stream_put(s, &data, sizeof(struct vrf_data)); | |
107 | /* Interface information. */ | |
108 | stream_put(s, zvrf_name(zvrf), VRF_NAMSIZ); | |
109 | /* Write packet size. */ | |
110 | stream_putw_at(s, 0, stream_get_endp(s)); | |
111 | } | |
112 | ||
113 | static int zserv_encode_nexthop(struct stream *s, struct nexthop *nexthop) | |
114 | { | |
a756969d | 115 | stream_putl(s, nexthop->vrf_id); |
bf094f69 QY |
116 | stream_putc(s, nexthop->type); |
117 | switch (nexthop->type) { | |
118 | case NEXTHOP_TYPE_IPV4: | |
119 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
120 | stream_put_in_addr(s, &nexthop->gate.ipv4); | |
121 | stream_putl(s, nexthop->ifindex); | |
122 | break; | |
123 | case NEXTHOP_TYPE_IPV6: | |
bf094f69 QY |
124 | case NEXTHOP_TYPE_IPV6_IFINDEX: |
125 | stream_put(s, &nexthop->gate.ipv6, 16); | |
126 | stream_putl(s, nexthop->ifindex); | |
127 | break; | |
128 | case NEXTHOP_TYPE_IFINDEX: | |
129 | stream_putl(s, nexthop->ifindex); | |
130 | break; | |
a98701f0 | 131 | case NEXTHOP_TYPE_BLACKHOLE: |
bf094f69 QY |
132 | /* do nothing */ |
133 | break; | |
134 | } | |
135 | return 1; | |
136 | } | |
137 | ||
9ab0b2a3 SW |
138 | /* |
139 | * Zebra error addition adds error type. | |
140 | * | |
141 | * | |
142 | * 0 1 | |
143 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 | |
144 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
145 | * | enum zebra_error_types | | |
146 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
147 | * | |
148 | */ | |
149 | static void zserv_encode_error(struct stream *s, enum zebra_error_types error) | |
150 | { | |
151 | stream_put(s, &error, sizeof(error)); | |
152 | ||
153 | /* Write packet size. */ | |
154 | stream_putw_at(s, 0, stream_get_endp(s)); | |
155 | } | |
156 | ||
bf094f69 QY |
157 | /* Send handlers ----------------------------------------------------------- */ |
158 | ||
159 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ | |
160 | /* | |
161 | * This function is called in the following situations: | |
162 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
163 | * from the client. | |
164 | * - at startup, when zebra figures out the available interfaces | |
165 | * - when an interface is added (where support for | |
166 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
167 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
168 | * received) | |
169 | */ | |
170 | int zsend_interface_add(struct zserv *client, struct interface *ifp) | |
171 | { | |
172 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
173 | ||
096f7609 | 174 | zclient_create_header(s, ZEBRA_INTERFACE_ADD, ifp->vrf->vrf_id); |
bf094f69 QY |
175 | zserv_encode_interface(s, ifp); |
176 | ||
177 | client->ifadd_cnt++; | |
21ccc0cf | 178 | return zserv_send_message(client, s); |
bf094f69 QY |
179 | } |
180 | ||
181 | /* Interface deletion from zebra daemon. */ | |
182 | int zsend_interface_delete(struct zserv *client, struct interface *ifp) | |
183 | { | |
184 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
185 | ||
096f7609 | 186 | zclient_create_header(s, ZEBRA_INTERFACE_DELETE, ifp->vrf->vrf_id); |
bf094f69 QY |
187 | zserv_encode_interface(s, ifp); |
188 | ||
189 | client->ifdel_cnt++; | |
21ccc0cf | 190 | return zserv_send_message(client, s); |
bf094f69 QY |
191 | } |
192 | ||
193 | int zsend_vrf_add(struct zserv *client, struct zebra_vrf *zvrf) | |
194 | { | |
195 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
196 | ||
197 | zclient_create_header(s, ZEBRA_VRF_ADD, zvrf_id(zvrf)); | |
198 | zserv_encode_vrf(s, zvrf); | |
199 | ||
200 | client->vrfadd_cnt++; | |
21ccc0cf | 201 | return zserv_send_message(client, s); |
bf094f69 QY |
202 | } |
203 | ||
204 | /* VRF deletion from zebra daemon. */ | |
205 | int zsend_vrf_delete(struct zserv *client, struct zebra_vrf *zvrf) | |
206 | ||
207 | { | |
208 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
209 | ||
210 | zclient_create_header(s, ZEBRA_VRF_DELETE, zvrf_id(zvrf)); | |
211 | zserv_encode_vrf(s, zvrf); | |
212 | ||
213 | client->vrfdel_cnt++; | |
21ccc0cf | 214 | return zserv_send_message(client, s); |
bf094f69 QY |
215 | } |
216 | ||
217 | int zsend_interface_link_params(struct zserv *client, struct interface *ifp) | |
218 | { | |
219 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
220 | ||
096f7609 | 221 | zclient_create_header(s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf->vrf_id); |
bf094f69 QY |
222 | |
223 | /* Add Interface Index */ | |
224 | stream_putl(s, ifp->ifindex); | |
225 | ||
226 | /* Then TE Link Parameters */ | |
227 | if (zebra_interface_link_params_write(s, ifp) == 0) { | |
228 | stream_free(s); | |
229 | return 0; | |
230 | } | |
231 | ||
232 | /* Write packet size. */ | |
233 | stream_putw_at(s, 0, stream_get_endp(s)); | |
234 | ||
21ccc0cf | 235 | return zserv_send_message(client, s); |
bf094f69 QY |
236 | } |
237 | ||
238 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or | |
239 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
240 | * | |
241 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
242 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
243 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
244 | * sent from zebra to the client | |
245 | * - redistribute new address info to all clients in the following situations | |
246 | * - at startup, when zebra figures out the available interfaces | |
247 | * - when an interface is added (where support for | |
248 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
249 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
250 | * received) | |
b1bd1015 | 251 | * - for the vty commands "ip address A.B.C.D/M [<label LINE>]" |
bf094f69 QY |
252 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" |
253 | * - when an RTM_NEWADDR message is received from the kernel, | |
254 | * | |
255 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
256 | * | |
257 | * zsend_interface_address(DELETE) | |
258 | * ^ | |
259 | * | | |
260 | * zebra_interface_address_delete_update | |
261 | * ^ ^ ^ | |
262 | * | | if_delete_update | |
263 | * | | | |
264 | * ip_address_uninstall connected_delete_ipv4 | |
265 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
266 | * ^ ^ | |
267 | * | | | |
268 | * | RTM_NEWADDR on routing/netlink socket | |
269 | * | | |
270 | * vty commands: | |
271 | * "no ip address A.B.C.D/M [label LINE]" | |
b1bd1015 | 272 | * "no ip address A.B.C.D/M" |
bf094f69 QY |
273 | * ["no ipv6 address X:X::X:X/M"] |
274 | * | |
275 | */ | |
276 | int zsend_interface_address(int cmd, struct zserv *client, | |
277 | struct interface *ifp, struct connected *ifc) | |
278 | { | |
279 | int blen; | |
280 | struct prefix *p; | |
281 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
282 | ||
096f7609 | 283 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
284 | stream_putl(s, ifp->ifindex); |
285 | ||
286 | /* Interface address flag. */ | |
287 | stream_putc(s, ifc->flags); | |
288 | ||
289 | /* Prefix information. */ | |
290 | p = ifc->address; | |
291 | stream_putc(s, p->family); | |
292 | blen = prefix_blen(p); | |
293 | stream_put(s, &p->u.prefix, blen); | |
294 | ||
295 | /* | |
296 | * XXX gnu version does not send prefixlen for | |
297 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
298 | * but zebra_interface_address_delete_read() in the gnu version | |
299 | * expects to find it | |
300 | */ | |
301 | stream_putc(s, p->prefixlen); | |
302 | ||
303 | /* Destination. */ | |
304 | p = ifc->destination; | |
305 | if (p) | |
306 | stream_put(s, &p->u.prefix, blen); | |
307 | else | |
308 | stream_put(s, NULL, blen); | |
309 | ||
310 | /* Write packet size. */ | |
311 | stream_putw_at(s, 0, stream_get_endp(s)); | |
312 | ||
313 | client->connected_rt_add_cnt++; | |
21ccc0cf | 314 | return zserv_send_message(client, s); |
bf094f69 QY |
315 | } |
316 | ||
317 | static int zsend_interface_nbr_address(int cmd, struct zserv *client, | |
318 | struct interface *ifp, | |
319 | struct nbr_connected *ifc) | |
320 | { | |
321 | int blen; | |
322 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
323 | struct prefix *p; | |
324 | ||
096f7609 | 325 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
326 | stream_putl(s, ifp->ifindex); |
327 | ||
328 | /* Prefix information. */ | |
329 | p = ifc->address; | |
330 | stream_putc(s, p->family); | |
331 | blen = prefix_blen(p); | |
332 | stream_put(s, &p->u.prefix, blen); | |
333 | ||
334 | /* | |
335 | * XXX gnu version does not send prefixlen for | |
336 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
337 | * but zebra_interface_address_delete_read() in the gnu version | |
338 | * expects to find it | |
339 | */ | |
340 | stream_putc(s, p->prefixlen); | |
341 | ||
342 | /* Write packet size. */ | |
343 | stream_putw_at(s, 0, stream_get_endp(s)); | |
344 | ||
21ccc0cf | 345 | return zserv_send_message(client, s); |
bf094f69 QY |
346 | } |
347 | ||
348 | /* Interface address addition. */ | |
349 | static void zebra_interface_nbr_address_add_update(struct interface *ifp, | |
350 | struct nbr_connected *ifc) | |
351 | { | |
352 | struct listnode *node, *nnode; | |
353 | struct zserv *client; | |
354 | struct prefix *p; | |
355 | ||
356 | if (IS_ZEBRA_DEBUG_EVENT) { | |
357 | char buf[INET6_ADDRSTRLEN]; | |
358 | ||
359 | p = ifc->address; | |
360 | zlog_debug( | |
361 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
362 | inet_ntop(p->family, &p->u.prefix, buf, | |
363 | INET6_ADDRSTRLEN), | |
364 | p->prefixlen, ifc->ifp->name); | |
365 | } | |
366 | ||
17da84a4 KS |
367 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
368 | /* Do not send unsolicited messages to synchronous clients. */ | |
369 | if (client->synchronous) | |
370 | continue; | |
371 | ||
bf094f69 QY |
372 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, |
373 | client, ifp, ifc); | |
17da84a4 | 374 | } |
bf094f69 QY |
375 | } |
376 | ||
377 | /* Interface address deletion. */ | |
378 | static void zebra_interface_nbr_address_delete_update(struct interface *ifp, | |
379 | struct nbr_connected *ifc) | |
380 | { | |
381 | struct listnode *node, *nnode; | |
382 | struct zserv *client; | |
383 | struct prefix *p; | |
384 | ||
385 | if (IS_ZEBRA_DEBUG_EVENT) { | |
386 | char buf[INET6_ADDRSTRLEN]; | |
387 | ||
388 | p = ifc->address; | |
389 | zlog_debug( | |
390 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
391 | inet_ntop(p->family, &p->u.prefix, buf, | |
392 | INET6_ADDRSTRLEN), | |
393 | p->prefixlen, ifc->ifp->name); | |
394 | } | |
395 | ||
17da84a4 KS |
396 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
397 | /* Do not send unsolicited messages to synchronous clients. */ | |
398 | if (client->synchronous) | |
399 | continue; | |
400 | ||
bf094f69 QY |
401 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, |
402 | client, ifp, ifc); | |
17da84a4 | 403 | } |
bf094f69 QY |
404 | } |
405 | ||
406 | /* Send addresses on interface to client */ | |
407 | int zsend_interface_addresses(struct zserv *client, struct interface *ifp) | |
408 | { | |
409 | struct listnode *cnode, *cnnode; | |
410 | struct connected *c; | |
411 | struct nbr_connected *nc; | |
412 | ||
413 | /* Send interface addresses. */ | |
414 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
415 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
416 | continue; | |
417 | ||
418 | if (zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
419 | ifp, c) | |
420 | < 0) | |
421 | return -1; | |
422 | } | |
423 | ||
424 | /* Send interface neighbors. */ | |
425 | for (ALL_LIST_ELEMENTS(ifp->nbr_connected, cnode, cnnode, nc)) { | |
426 | if (zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
427 | client, ifp, nc) | |
428 | < 0) | |
429 | return -1; | |
430 | } | |
431 | ||
432 | return 0; | |
433 | } | |
434 | ||
435 | /* Notify client about interface moving from one VRF to another. | |
436 | * Whether client is interested in old and new VRF is checked by caller. | |
437 | */ | |
438 | int zsend_interface_vrf_update(struct zserv *client, struct interface *ifp, | |
439 | vrf_id_t vrf_id) | |
440 | { | |
441 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
442 | ||
096f7609 | 443 | zclient_create_header(s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf->vrf_id); |
bf094f69 | 444 | |
91d227b7 RW |
445 | /* Fill in the name of the interface and its new VRF (id) */ |
446 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); | |
bf094f69 QY |
447 | stream_putl(s, vrf_id); |
448 | ||
449 | /* Write packet size. */ | |
450 | stream_putw_at(s, 0, stream_get_endp(s)); | |
451 | ||
452 | client->if_vrfchg_cnt++; | |
21ccc0cf | 453 | return zserv_send_message(client, s); |
bf094f69 QY |
454 | } |
455 | ||
456 | /* Add new nbr connected IPv6 address */ | |
457 | void nbr_connected_add_ipv6(struct interface *ifp, struct in6_addr *address) | |
458 | { | |
459 | struct nbr_connected *ifc; | |
460 | struct prefix p; | |
461 | ||
462 | p.family = AF_INET6; | |
a85297a7 | 463 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
f4d81e55 | 464 | p.prefixlen = IPV6_MAX_BITLEN; |
bf094f69 | 465 | |
8b1766b1 QY |
466 | ifc = listnode_head(ifp->nbr_connected); |
467 | if (!ifc) { | |
bf094f69 QY |
468 | /* new addition */ |
469 | ifc = nbr_connected_new(); | |
470 | ifc->address = prefix_new(); | |
471 | ifc->ifp = ifp; | |
472 | listnode_add(ifp->nbr_connected, ifc); | |
473 | } | |
474 | ||
475 | prefix_copy(ifc->address, &p); | |
476 | ||
477 | zebra_interface_nbr_address_add_update(ifp, ifc); | |
478 | ||
479 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 1); | |
480 | } | |
481 | ||
482 | void nbr_connected_delete_ipv6(struct interface *ifp, struct in6_addr *address) | |
483 | { | |
484 | struct nbr_connected *ifc; | |
485 | struct prefix p; | |
486 | ||
487 | p.family = AF_INET6; | |
a85297a7 | 488 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
f4d81e55 | 489 | p.prefixlen = IPV6_MAX_BITLEN; |
bf094f69 QY |
490 | |
491 | ifc = nbr_connected_check(ifp, &p); | |
492 | if (!ifc) | |
493 | return; | |
494 | ||
495 | listnode_delete(ifp->nbr_connected, ifc); | |
496 | ||
497 | zebra_interface_nbr_address_delete_update(ifp, ifc); | |
498 | ||
499 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 0); | |
500 | ||
501 | nbr_connected_free(ifc); | |
502 | } | |
503 | ||
504 | /* | |
505 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
506 | * ZEBRA_INTERFACE_DOWN. | |
507 | * | |
508 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
509 | * the clients in one of 2 situations: | |
510 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
511 | * - a vty command modifying the bandwidth of an interface is received. | |
512 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
513 | */ | |
514 | int zsend_interface_update(int cmd, struct zserv *client, struct interface *ifp) | |
515 | { | |
516 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
517 | ||
096f7609 | 518 | zclient_create_header(s, cmd, ifp->vrf->vrf_id); |
bf094f69 QY |
519 | zserv_encode_interface(s, ifp); |
520 | ||
521 | if (cmd == ZEBRA_INTERFACE_UP) | |
522 | client->ifup_cnt++; | |
523 | else | |
524 | client->ifdown_cnt++; | |
525 | ||
21ccc0cf | 526 | return zserv_send_message(client, s); |
bf094f69 QY |
527 | } |
528 | ||
86391e56 | 529 | int zsend_redistribute_route(int cmd, struct zserv *client, |
84faa420 | 530 | const struct route_node *rn, |
40f321c0 | 531 | const struct route_entry *re) |
bf094f69 QY |
532 | { |
533 | struct zapi_route api; | |
534 | struct zapi_nexthop *api_nh; | |
535 | struct nexthop *nexthop; | |
84faa420 | 536 | const struct prefix *p, *src_p; |
9a0d4dd3 | 537 | uint8_t count = 0; |
34fa0870 | 538 | afi_t afi; |
f3f45626 DS |
539 | size_t stream_size = |
540 | MAX(ZEBRA_MAX_PACKET_SIZ, sizeof(struct zapi_route)); | |
bf094f69 | 541 | |
84faa420 | 542 | srcdest_rnode_prefixes(rn, &p, &src_p); |
bf094f69 QY |
543 | memset(&api, 0, sizeof(api)); |
544 | api.vrf_id = re->vrf_id; | |
545 | api.type = re->type; | |
e4081c0e | 546 | api.safi = SAFI_UNICAST; |
bf094f69 QY |
547 | api.instance = re->instance; |
548 | api.flags = re->flags; | |
549 | ||
34fa0870 DS |
550 | afi = family2afi(p->family); |
551 | switch (afi) { | |
552 | case AFI_IP: | |
553 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
554 | client->redist_v4_add_cnt++; | |
555 | else | |
556 | client->redist_v4_del_cnt++; | |
557 | break; | |
558 | case AFI_IP6: | |
559 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
560 | client->redist_v6_add_cnt++; | |
561 | else | |
562 | client->redist_v6_del_cnt++; | |
563 | break; | |
a98701f0 DS |
564 | case AFI_L2VPN: |
565 | case AFI_MAX: | |
566 | case AFI_UNSPEC: | |
34fa0870 DS |
567 | break; |
568 | } | |
569 | ||
bf094f69 QY |
570 | /* Prefix. */ |
571 | api.prefix = *p; | |
572 | if (src_p) { | |
573 | SET_FLAG(api.message, ZAPI_MESSAGE_SRCPFX); | |
574 | memcpy(&api.src_prefix, src_p, sizeof(api.src_prefix)); | |
575 | } | |
576 | ||
c415d895 | 577 | for (nexthop = re->nhe->nhg.nexthop; |
0eb97b86 | 578 | nexthop; nexthop = nexthop->next) { |
bf094f69 QY |
579 | if (!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
580 | continue; | |
581 | ||
582 | api_nh = &api.nexthops[count]; | |
583 | api_nh->vrf_id = nexthop->vrf_id; | |
584 | api_nh->type = nexthop->type; | |
bd054c1a | 585 | api_nh->weight = nexthop->weight; |
bf094f69 QY |
586 | switch (nexthop->type) { |
587 | case NEXTHOP_TYPE_BLACKHOLE: | |
588 | api_nh->bh_type = nexthop->bh_type; | |
589 | break; | |
590 | case NEXTHOP_TYPE_IPV4: | |
bf094f69 QY |
591 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
592 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
593 | api_nh->ifindex = nexthop->ifindex; | |
594 | break; | |
595 | case NEXTHOP_TYPE_IFINDEX: | |
596 | api_nh->ifindex = nexthop->ifindex; | |
597 | break; | |
598 | case NEXTHOP_TYPE_IPV6: | |
bf094f69 QY |
599 | case NEXTHOP_TYPE_IPV6_IFINDEX: |
600 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
601 | api_nh->ifindex = nexthop->ifindex; | |
602 | } | |
603 | count++; | |
604 | } | |
605 | ||
9a0d4dd3 DS |
606 | /* Nexthops. */ |
607 | if (count) { | |
608 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
609 | api.nexthop_num = count; | |
610 | } | |
611 | ||
bf094f69 QY |
612 | /* Attributes. */ |
613 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
614 | api.distance = re->distance; | |
615 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
616 | api.metric = re->metric; | |
617 | if (re->tag) { | |
618 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
619 | api.tag = re->tag; | |
620 | } | |
621 | SET_FLAG(api.message, ZAPI_MESSAGE_MTU); | |
622 | api.mtu = re->mtu; | |
623 | ||
f3f45626 | 624 | struct stream *s = stream_new(stream_size); |
bf094f69 QY |
625 | |
626 | /* Encode route and send. */ | |
627 | if (zapi_route_encode(cmd, s, &api) < 0) { | |
628 | stream_free(s); | |
629 | return -1; | |
630 | } | |
631 | ||
2dbe669b DA |
632 | if (IS_ZEBRA_DEBUG_SEND) |
633 | zlog_debug("%s: %s to client %s: type %s, vrf_id %d, p %pFX", | |
bf094f69 QY |
634 | __func__, zserv_command_string(cmd), |
635 | zebra_route_string(client->proto), | |
636 | zebra_route_string(api.type), api.vrf_id, | |
2dbe669b | 637 | &api.prefix); |
21ccc0cf | 638 | return zserv_send_message(client, s); |
bf094f69 QY |
639 | } |
640 | ||
641 | /* | |
642 | * Modified version of zsend_ipv4_nexthop_lookup(): Query unicast rib if | |
643 | * nexthop is not found on mrib. Returns both route metric and protocol | |
644 | * distance. | |
34ee41c6 DL |
645 | * |
646 | * *XXX* this ZAPI call is slated to be removed at some point in the future | |
647 | * since MRIB support in PIM is hopelessly broken in its interactions with NHT. | |
648 | * The plan is to make pimd use NHT to receive URIB and MRIB in parallel and | |
649 | * make the decision there, which will obsolete this ZAPI op. | |
650 | * (Otherwise we would need to implement sending NHT updates for the result of | |
651 | * this "URIB-MRIB-combined" table, but we only decide that here on the fly, | |
652 | * so it'd be rather complex to do NHT for.) | |
bf094f69 | 653 | */ |
34ee41c6 DL |
654 | static int zsend_nexthop_lookup_mrib(struct zserv *client, struct ipaddr *addr, |
655 | struct route_entry *re, | |
656 | struct zebra_vrf *zvrf) | |
bf094f69 QY |
657 | { |
658 | struct stream *s; | |
659 | unsigned long nump; | |
660 | uint8_t num; | |
661 | struct nexthop *nexthop; | |
662 | ||
663 | /* Get output stream. */ | |
664 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
665 | stream_reset(s); | |
666 | ||
667 | /* Fill in result. */ | |
34ee41c6 DL |
668 | zclient_create_header(s, ZEBRA_NEXTHOP_LOOKUP_MRIB, zvrf_id(zvrf)); |
669 | stream_put_ipaddr(s, addr); | |
bf094f69 QY |
670 | |
671 | if (re) { | |
b59839af DS |
672 | struct nexthop_group *nhg; |
673 | ||
bf094f69 QY |
674 | stream_putc(s, re->distance); |
675 | stream_putl(s, re->metric); | |
676 | num = 0; | |
8b1766b1 QY |
677 | /* remember position for nexthop_num */ |
678 | nump = stream_get_endp(s); | |
679 | /* reserve room for nexthop_num */ | |
680 | stream_putc(s, 0); | |
b59839af DS |
681 | nhg = rib_get_fib_nhg(re); |
682 | for (ALL_NEXTHOPS_PTR(nhg, nexthop)) { | |
683 | if (rnh_nexthop_valid(re, nexthop)) | |
bf094f69 | 684 | num += zserv_encode_nexthop(s, nexthop); |
b59839af | 685 | } |
bf094f69 | 686 | |
8b1766b1 QY |
687 | /* store nexthop_num */ |
688 | stream_putc_at(s, nump, num); | |
bf094f69 QY |
689 | } else { |
690 | stream_putc(s, 0); /* distance */ | |
691 | stream_putl(s, 0); /* metric */ | |
692 | stream_putc(s, 0); /* nexthop_num */ | |
693 | } | |
694 | ||
695 | stream_putw_at(s, 0, stream_get_endp(s)); | |
696 | ||
21ccc0cf | 697 | return zserv_send_message(client, s); |
bf094f69 QY |
698 | } |
699 | ||
ee94437e MS |
700 | int zsend_nhg_notify(uint16_t type, uint16_t instance, uint32_t session_id, |
701 | uint32_t id, enum zapi_nhg_notify_owner note) | |
2f35a820 DS |
702 | { |
703 | struct zserv *client; | |
704 | struct stream *s; | |
705 | ||
ee94437e | 706 | client = zserv_find_client_session(type, instance, session_id); |
2f35a820 DS |
707 | if (!client) { |
708 | if (IS_ZEBRA_DEBUG_PACKET) { | |
709 | zlog_debug("Not Notifying Owner: %u(%u) about %u(%d)", | |
710 | type, instance, id, note); | |
711 | } | |
712 | return 0; | |
713 | } | |
714 | ||
ee94437e | 715 | if (IS_ZEBRA_DEBUG_SEND) |
04bec7b2 MS |
716 | zlog_debug("%s: type %d, id %d, note %s", |
717 | __func__, type, id, zapi_nhg_notify_owner2str(note)); | |
ee94437e | 718 | |
2f35a820 DS |
719 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
720 | stream_reset(s); | |
721 | ||
722 | zclient_create_header(s, ZEBRA_NHG_NOTIFY_OWNER, VRF_DEFAULT); | |
723 | ||
2f35a820 | 724 | stream_put(s, ¬e, sizeof(note)); |
2c7819b9 | 725 | stream_putl(s, id); |
2f35a820 DS |
726 | |
727 | stream_putw_at(s, 0, stream_get_endp(s)); | |
728 | ||
729 | return zserv_send_message(client, s); | |
730 | } | |
731 | ||
86391e56 MS |
732 | /* |
733 | * Common utility send route notification, called from a path using a | |
734 | * route_entry and from a path using a dataplane context. | |
735 | */ | |
a7704e1b | 736 | static int route_notify_internal(const struct route_node *rn, int type, |
86391e56 MS |
737 | uint16_t instance, vrf_id_t vrf_id, |
738 | uint32_t table_id, | |
a7704e1b DS |
739 | enum zapi_route_notify_owner note, afi_t afi, |
740 | safi_t safi) | |
bf094f69 QY |
741 | { |
742 | struct zserv *client; | |
743 | struct stream *s; | |
744 | uint8_t blen; | |
745 | ||
86391e56 | 746 | client = zserv_find_client(type, instance); |
bf094f69 | 747 | if (!client || !client->notify_owner) { |
2dbe669b | 748 | if (IS_ZEBRA_DEBUG_PACKET) |
bf094f69 | 749 | zlog_debug( |
a7704e1b DS |
750 | "Not Notifying Owner: %s about prefix %pRN(%u) %d vrf: %u", |
751 | zebra_route_string(type), rn, table_id, note, | |
2dbe669b | 752 | vrf_id); |
bf094f69 QY |
753 | return 0; |
754 | } | |
755 | ||
2dbe669b DA |
756 | if (IS_ZEBRA_DEBUG_PACKET) |
757 | zlog_debug( | |
a7704e1b DS |
758 | "Notifying Owner: %s about prefix %pRN(%u) %d vrf: %u", |
759 | zebra_route_string(type), rn, table_id, note, vrf_id); | |
bf094f69 | 760 | |
55e74ca9 MS |
761 | /* We're just allocating a small-ish buffer here, since we only |
762 | * encode a small amount of data. | |
763 | */ | |
764 | s = stream_new(ZEBRA_SMALL_PACKET_SIZE); | |
765 | ||
bf094f69 QY |
766 | stream_reset(s); |
767 | ||
86391e56 | 768 | zclient_create_header(s, ZEBRA_ROUTE_NOTIFY_OWNER, vrf_id); |
bf094f69 QY |
769 | |
770 | stream_put(s, ¬e, sizeof(note)); | |
771 | ||
a7704e1b | 772 | stream_putc(s, rn->p.family); |
bf094f69 | 773 | |
a7704e1b DS |
774 | blen = prefix_blen(&rn->p); |
775 | stream_putc(s, rn->p.prefixlen); | |
776 | stream_put(s, &rn->p.u.prefix, blen); | |
bf094f69 | 777 | |
86391e56 | 778 | stream_putl(s, table_id); |
bf094f69 | 779 | |
77b38a4a S |
780 | /* Encode AFI, SAFI in the message */ |
781 | stream_putc(s, afi); | |
782 | stream_putc(s, safi); | |
783 | ||
bf094f69 QY |
784 | stream_putw_at(s, 0, stream_get_endp(s)); |
785 | ||
21ccc0cf | 786 | return zserv_send_message(client, s); |
bf094f69 QY |
787 | } |
788 | ||
a7704e1b DS |
789 | int zsend_route_notify_owner(const struct route_node *rn, |
790 | struct route_entry *re, | |
791 | enum zapi_route_notify_owner note, afi_t afi, | |
792 | safi_t safi) | |
86391e56 | 793 | { |
a7704e1b | 794 | return (route_notify_internal(rn, re->type, re->instance, re->vrf_id, |
77b38a4a | 795 | re->table, note, afi, safi)); |
86391e56 MS |
796 | } |
797 | ||
7cdb1a84 MS |
798 | /* |
799 | * Route-owner notification using info from dataplane update context. | |
800 | */ | |
25779064 | 801 | int zsend_route_notify_owner_ctx(const struct zebra_dplane_ctx *ctx, |
7cdb1a84 MS |
802 | enum zapi_route_notify_owner note) |
803 | { | |
a7704e1b DS |
804 | return (route_notify_internal( |
805 | rib_find_rn_from_ctx(ctx), dplane_ctx_get_type(ctx), | |
806 | dplane_ctx_get_instance(ctx), dplane_ctx_get_vrf(ctx), | |
807 | dplane_ctx_get_table(ctx), note, dplane_ctx_get_afi(ctx), | |
808 | dplane_ctx_get_safi(ctx))); | |
77b38a4a S |
809 | } |
810 | ||
811 | static void zread_route_notify_request(ZAPI_HANDLER_ARGS) | |
812 | { | |
813 | uint8_t notify; | |
814 | ||
815 | STREAM_GETC(msg, notify); | |
816 | client->notify_owner = notify; | |
817 | stream_failure: | |
818 | return; | |
86391e56 MS |
819 | } |
820 | ||
f62e5480 | 821 | void zsend_rule_notify_owner(const struct zebra_dplane_ctx *ctx, |
bf094f69 QY |
822 | enum zapi_rule_notify_owner note) |
823 | { | |
824 | struct listnode *node; | |
825 | struct zserv *client; | |
826 | struct stream *s; | |
827 | ||
828 | if (IS_ZEBRA_DEBUG_PACKET) | |
f62e5480 JU |
829 | zlog_debug("%s: Notifying %u", __func__, |
830 | dplane_ctx_rule_get_unique(ctx)); | |
bf094f69 | 831 | |
161e9ab7 | 832 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
f62e5480 | 833 | if (dplane_ctx_rule_get_sock(ctx) == client->sock) |
bf094f69 QY |
834 | break; |
835 | } | |
836 | ||
837 | if (!client) | |
838 | return; | |
839 | ||
840 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
841 | ||
842 | zclient_create_header(s, ZEBRA_RULE_NOTIFY_OWNER, VRF_DEFAULT); | |
843 | stream_put(s, ¬e, sizeof(note)); | |
f62e5480 JU |
844 | stream_putl(s, dplane_ctx_rule_get_seq(ctx)); |
845 | stream_putl(s, dplane_ctx_rule_get_priority(ctx)); | |
846 | stream_putl(s, dplane_ctx_rule_get_unique(ctx)); | |
58a1d249 | 847 | stream_put(s, dplane_ctx_rule_get_ifname(ctx), INTERFACE_NAMSIZ); |
bf094f69 QY |
848 | |
849 | stream_putw_at(s, 0, stream_get_endp(s)); | |
850 | ||
21ccc0cf | 851 | zserv_send_message(client, s); |
bf094f69 QY |
852 | } |
853 | ||
ef524230 | 854 | void zsend_iptable_notify_owner(const struct zebra_dplane_ctx *ctx, |
33c08518 | 855 | enum zapi_iptable_notify_owner note) |
bf094f69 QY |
856 | { |
857 | struct listnode *node; | |
858 | struct zserv *client; | |
859 | struct stream *s; | |
ef524230 PG |
860 | struct zebra_pbr_iptable ipt; |
861 | uint16_t cmd = ZEBRA_IPTABLE_NOTIFY_OWNER; | |
c9250e28 PG |
862 | struct zebra_pbr_iptable *ipt_hash; |
863 | enum dplane_op_e op = dplane_ctx_get_op(ctx); | |
ef524230 | 864 | |
8d78e148 | 865 | dplane_ctx_get_pbr_iptable(ctx, &ipt); |
bf094f69 | 866 | |
c9250e28 PG |
867 | ipt_hash = hash_lookup(zrouter.iptable_hash, &ipt); |
868 | if (ipt_hash) { | |
869 | if (op == DPLANE_OP_IPTABLE_ADD && | |
870 | CHECK_FLAG(ipt_hash->internal_flags, | |
871 | IPTABLE_INSTALL_QUEUED)) | |
872 | UNSET_FLAG(ipt_hash->internal_flags, | |
873 | IPTABLE_INSTALL_QUEUED); | |
874 | else if (op == DPLANE_OP_IPTABLE_DELETE && | |
875 | CHECK_FLAG(ipt_hash->internal_flags, | |
876 | IPTABLE_UNINSTALL_QUEUED)) | |
877 | UNSET_FLAG(ipt_hash->internal_flags, | |
878 | IPTABLE_UNINSTALL_QUEUED); | |
879 | } | |
bf094f69 | 880 | if (IS_ZEBRA_DEBUG_PACKET) |
ef524230 PG |
881 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
882 | zserv_command_string(cmd), ipt.unique, note); | |
bf094f69 | 883 | |
161e9ab7 | 884 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 885 | if (ipt.sock == client->sock) |
bf094f69 QY |
886 | break; |
887 | } | |
888 | ||
889 | if (!client) | |
890 | return; | |
891 | ||
892 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
893 | ||
5162e000 | 894 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 895 | stream_putw(s, note); |
ef524230 PG |
896 | stream_putl(s, ipt.unique); |
897 | stream_put(s, ipt.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
898 | stream_putw_at(s, 0, stream_get_endp(s)); |
899 | ||
21ccc0cf | 900 | zserv_send_message(client, s); |
bf094f69 QY |
901 | } |
902 | ||
33c08518 DS |
903 | void zsend_ipset_notify_owner(const struct zebra_dplane_ctx *ctx, |
904 | enum zapi_ipset_notify_owner note) | |
bf094f69 QY |
905 | { |
906 | struct listnode *node; | |
907 | struct zserv *client; | |
908 | struct stream *s; | |
ef524230 PG |
909 | struct zebra_pbr_ipset ipset; |
910 | uint16_t cmd = ZEBRA_IPSET_NOTIFY_OWNER; | |
911 | ||
8249f96a | 912 | dplane_ctx_get_pbr_ipset(ctx, &ipset); |
bf094f69 QY |
913 | |
914 | if (IS_ZEBRA_DEBUG_PACKET) | |
ef524230 PG |
915 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
916 | zserv_command_string(cmd), ipset.unique, note); | |
bf094f69 | 917 | |
161e9ab7 | 918 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 919 | if (ipset.sock == client->sock) |
bf094f69 QY |
920 | break; |
921 | } | |
922 | ||
923 | if (!client) | |
924 | return; | |
925 | ||
926 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
927 | ||
ef524230 | 928 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 929 | stream_putw(s, note); |
ef524230 PG |
930 | stream_putl(s, ipset.unique); |
931 | stream_put(s, ipset.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
932 | stream_putw_at(s, 0, stream_get_endp(s)); |
933 | ||
21ccc0cf | 934 | zserv_send_message(client, s); |
bf094f69 QY |
935 | } |
936 | ||
ef524230 | 937 | void zsend_ipset_entry_notify_owner(const struct zebra_dplane_ctx *ctx, |
33c08518 | 938 | enum zapi_ipset_entry_notify_owner note) |
bf094f69 QY |
939 | { |
940 | struct listnode *node; | |
941 | struct zserv *client; | |
942 | struct stream *s; | |
ef524230 PG |
943 | struct zebra_pbr_ipset_entry ipent; |
944 | struct zebra_pbr_ipset ipset; | |
945 | uint16_t cmd = ZEBRA_IPSET_ENTRY_NOTIFY_OWNER; | |
5162e000 | 946 | |
f284c132 | 947 | dplane_ctx_get_pbr_ipset_entry(ctx, &ipent); |
8249f96a | 948 | dplane_ctx_get_pbr_ipset(ctx, &ipset); |
bf094f69 QY |
949 | |
950 | if (IS_ZEBRA_DEBUG_PACKET) | |
5162e000 | 951 | zlog_debug("%s: Notifying %s id %u note %u", __func__, |
ef524230 | 952 | zserv_command_string(cmd), ipent.unique, note); |
bf094f69 | 953 | |
161e9ab7 | 954 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
ef524230 | 955 | if (ipent.sock == client->sock) |
bf094f69 QY |
956 | break; |
957 | } | |
958 | ||
959 | if (!client) | |
960 | return; | |
961 | ||
962 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
963 | ||
5162e000 | 964 | zclient_create_header(s, cmd, VRF_DEFAULT); |
e108096b | 965 | stream_putw(s, note); |
ef524230 PG |
966 | stream_putl(s, ipent.unique); |
967 | stream_put(s, ipset.ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
bf094f69 QY |
968 | stream_putw_at(s, 0, stream_get_endp(s)); |
969 | ||
21ccc0cf | 970 | zserv_send_message(client, s); |
bf094f69 QY |
971 | } |
972 | ||
7723e8d3 PG |
973 | void zsend_nhrp_neighbor_notify(int cmd, struct interface *ifp, |
974 | struct ipaddr *ipaddr, int ndm_state, | |
d603c077 | 975 | union sockunion *link_layer_ipv4) |
7723e8d3 PG |
976 | { |
977 | struct stream *s; | |
978 | struct listnode *node, *nnode; | |
979 | struct zserv *client; | |
980 | afi_t afi; | |
d603c077 | 981 | union sockunion ip; |
7723e8d3 PG |
982 | |
983 | if (IS_ZEBRA_DEBUG_PACKET) | |
7d7be47e | 984 | zlog_debug("%s: Notifying Neighbor entry (%u)", __func__, cmd); |
7723e8d3 | 985 | |
d603c077 PG |
986 | sockunion_family(&ip) = ipaddr_family(ipaddr); |
987 | afi = family2afi(sockunion_family(&ip)); | |
988 | memcpy((char *)sockunion_get_addr(&ip), &ipaddr->ip.addr, | |
989 | family2addrsize(sockunion_family(&ip))); | |
990 | ||
7723e8d3 | 991 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
096f7609 IR |
992 | if (!vrf_bitmap_check(client->nhrp_neighinfo[afi], |
993 | ifp->vrf->vrf_id)) | |
7723e8d3 PG |
994 | continue; |
995 | ||
996 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
c4e1fd52 PG |
997 | zclient_neigh_ip_encode(s, cmd, &ip, link_layer_ipv4, ifp, |
998 | ndm_state); | |
7723e8d3 | 999 | stream_putw_at(s, 0, stream_get_endp(s)); |
7723e8d3 PG |
1000 | zserv_send_message(client, s); |
1001 | } | |
1002 | } | |
1003 | ||
1004 | ||
98a3fb0a SM |
1005 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_UPDATE to client. */ |
1006 | int zsend_router_id_update(struct zserv *client, afi_t afi, struct prefix *p, | |
bf094f69 QY |
1007 | vrf_id_t vrf_id) |
1008 | { | |
1009 | int blen; | |
98a3fb0a | 1010 | struct stream *s; |
bf094f69 QY |
1011 | |
1012 | /* Check this client need interface information. */ | |
98a3fb0a | 1013 | if (!vrf_bitmap_check(client->ridinfo[afi], vrf_id)) |
bf094f69 QY |
1014 | return 0; |
1015 | ||
98a3fb0a | 1016 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
bf094f69 QY |
1017 | |
1018 | /* Message type. */ | |
1019 | zclient_create_header(s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); | |
1020 | ||
1021 | /* Prefix information. */ | |
1022 | stream_putc(s, p->family); | |
1023 | blen = prefix_blen(p); | |
1024 | stream_put(s, &p->u.prefix, blen); | |
1025 | stream_putc(s, p->prefixlen); | |
1026 | ||
1027 | /* Write packet size. */ | |
1028 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1029 | ||
21ccc0cf | 1030 | return zserv_send_message(client, s); |
bf094f69 QY |
1031 | } |
1032 | ||
1033 | /* | |
1034 | * Function used by Zebra to send a PW status update to LDP daemon | |
1035 | */ | |
1036 | int zsend_pw_update(struct zserv *client, struct zebra_pw *pw) | |
1037 | { | |
1038 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1039 | ||
1040 | zclient_create_header(s, ZEBRA_PW_STATUS_UPDATE, pw->vrf_id); | |
3682bd90 | 1041 | stream_write(s, pw->ifname, INTERFACE_NAMSIZ); |
bf094f69 QY |
1042 | stream_putl(s, pw->ifindex); |
1043 | stream_putl(s, pw->status); | |
1044 | ||
1045 | /* Put length at the first point of the stream. */ | |
1046 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1047 | ||
21ccc0cf | 1048 | return zserv_send_message(client, s); |
bf094f69 QY |
1049 | } |
1050 | ||
1051 | /* Send response to a get label chunk request to client */ | |
e11d7c96 | 1052 | int zsend_assign_label_chunk_response(struct zserv *client, vrf_id_t vrf_id, |
e11d7c96 | 1053 | struct label_manager_chunk *lmc) |
bf094f69 | 1054 | { |
bf094f69 QY |
1055 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
1056 | ||
1057 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, vrf_id); | |
f004f7c3 | 1058 | /* proto */ |
4cebdb9b | 1059 | stream_putc(s, client->proto); |
f004f7c3 | 1060 | /* instance */ |
4cebdb9b | 1061 | stream_putw(s, client->instance); |
bf094f69 QY |
1062 | |
1063 | if (lmc) { | |
1064 | /* keep */ | |
1065 | stream_putc(s, lmc->keep); | |
1066 | /* start and end labels */ | |
1067 | stream_putl(s, lmc->start); | |
1068 | stream_putl(s, lmc->end); | |
1069 | } | |
1070 | ||
1071 | /* Write packet size. */ | |
1072 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1073 | ||
732d22cb | 1074 | return zserv_send_message(client, s); |
bf094f69 QY |
1075 | } |
1076 | ||
1077 | /* Send response to a label manager connect request to client */ | |
e11d7c96 EDP |
1078 | int zsend_label_manager_connect_response(struct zserv *client, vrf_id_t vrf_id, |
1079 | unsigned short result) | |
bf094f69 | 1080 | { |
bf094f69 QY |
1081 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
1082 | ||
1083 | zclient_create_header(s, ZEBRA_LABEL_MANAGER_CONNECT, vrf_id); | |
1084 | ||
5dffb0e9 FR |
1085 | /* proto */ |
1086 | stream_putc(s, client->proto); | |
1087 | ||
1088 | /* instance */ | |
1089 | stream_putw(s, client->instance); | |
1090 | ||
bf094f69 QY |
1091 | /* result */ |
1092 | stream_putc(s, result); | |
1093 | ||
1094 | /* Write packet size. */ | |
1095 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1096 | ||
732d22cb | 1097 | return zserv_send_message(client, s); |
bf094f69 QY |
1098 | } |
1099 | ||
1100 | /* Send response to a get table chunk request to client */ | |
1101 | static int zsend_assign_table_chunk_response(struct zserv *client, | |
1102 | vrf_id_t vrf_id, | |
1103 | struct table_manager_chunk *tmc) | |
1104 | { | |
1105 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1106 | ||
1107 | zclient_create_header(s, ZEBRA_GET_TABLE_CHUNK, vrf_id); | |
1108 | ||
1109 | if (tmc) { | |
1110 | /* start and end labels */ | |
1111 | stream_putl(s, tmc->start); | |
1112 | stream_putl(s, tmc->end); | |
1113 | } | |
1114 | ||
1115 | /* Write packet size. */ | |
1116 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1117 | ||
21ccc0cf | 1118 | return zserv_send_message(client, s); |
bf094f69 QY |
1119 | } |
1120 | ||
1121 | static int zsend_table_manager_connect_response(struct zserv *client, | |
1122 | vrf_id_t vrf_id, | |
1123 | uint16_t result) | |
1124 | { | |
1125 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1126 | ||
1127 | zclient_create_header(s, ZEBRA_TABLE_MANAGER_CONNECT, vrf_id); | |
1128 | ||
1129 | /* result */ | |
1130 | stream_putc(s, result); | |
1131 | ||
1132 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1133 | ||
21ccc0cf | 1134 | return zserv_send_message(client, s); |
bf094f69 QY |
1135 | } |
1136 | ||
f5ca329b HS |
1137 | /* SRv6 locator add notification from zebra daemon. */ |
1138 | int zsend_zebra_srv6_locator_add(struct zserv *client, struct srv6_locator *loc) | |
1139 | { | |
1140 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1141 | ||
1142 | zclient_create_header(s, ZEBRA_SRV6_LOCATOR_ADD, VRF_DEFAULT); | |
1143 | zapi_srv6_locator_encode(s, loc); | |
1144 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1145 | ||
1146 | return zserv_send_message(client, s); | |
1147 | } | |
1148 | ||
1149 | /* SRv6 locator delete notification from zebra daemon. */ | |
1150 | int zsend_zebra_srv6_locator_delete(struct zserv *client, | |
1151 | struct srv6_locator *loc) | |
1152 | { | |
1153 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1154 | ||
1155 | zclient_create_header(s, ZEBRA_SRV6_LOCATOR_DELETE, 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 | ||
bf094f69 QY |
1162 | /* Inbound message handling ------------------------------------------------ */ |
1163 | ||
bf094f69 QY |
1164 | /* Nexthop register */ |
1165 | static void zread_rnh_register(ZAPI_HANDLER_ARGS) | |
1166 | { | |
1167 | struct rnh *rnh; | |
1168 | struct stream *s; | |
1169 | struct prefix p; | |
1170 | unsigned short l = 0; | |
6cd9a93d | 1171 | uint8_t connected = 0; |
ed6cec97 | 1172 | uint8_t resolve_via_default; |
1d30d1f4 | 1173 | bool exist; |
906b54dd DS |
1174 | bool flag_changed = false; |
1175 | uint8_t orig_flags; | |
027db469 | 1176 | safi_t safi; |
bf094f69 QY |
1177 | |
1178 | if (IS_ZEBRA_DEBUG_NHT) | |
1179 | zlog_debug( | |
6071e5e9 | 1180 | "rnh_register msg from client %s: hdr->length=%d vrf=%u", |
bf094f69 | 1181 | zebra_route_string(client->proto), hdr->length, |
bf094f69 QY |
1182 | zvrf->vrf->vrf_id); |
1183 | ||
1184 | s = msg; | |
1185 | ||
469d6277 DS |
1186 | if (!client->nh_reg_time) |
1187 | client->nh_reg_time = monotime(NULL); | |
bf094f69 QY |
1188 | |
1189 | while (l < hdr->length) { | |
6cd9a93d | 1190 | STREAM_GETC(s, connected); |
ed6cec97 | 1191 | STREAM_GETC(s, resolve_via_default); |
027db469 | 1192 | STREAM_GETW(s, safi); |
bf094f69 QY |
1193 | STREAM_GETW(s, p.family); |
1194 | STREAM_GETC(s, p.prefixlen); | |
027db469 | 1195 | l += 7; |
bf094f69 | 1196 | if (p.family == AF_INET) { |
ab5990d8 | 1197 | client->v4_nh_watch_add_cnt++; |
bf094f69 | 1198 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1199 | zlog_debug( |
bf094f69 | 1200 | "%s: Specified prefix hdr->length %d is too large for a v4 address", |
15569c58 | 1201 | __func__, p.prefixlen); |
bf094f69 QY |
1202 | return; |
1203 | } | |
1204 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1205 | l += IPV4_MAX_BYTELEN; | |
1206 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1207 | client->v6_nh_watch_add_cnt++; |
bf094f69 | 1208 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1209 | zlog_debug( |
bf094f69 | 1210 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
15569c58 | 1211 | __func__, p.prefixlen); |
bf094f69 QY |
1212 | return; |
1213 | } | |
1214 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1215 | l += IPV6_MAX_BYTELEN; | |
1216 | } else { | |
af4c2728 | 1217 | flog_err( |
e914ccbe | 1218 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1219 | "rnh_register: Received unknown family type %d", |
bf094f69 QY |
1220 | p.family); |
1221 | return; | |
1222 | } | |
e9ac2861 | 1223 | rnh = zebra_add_rnh(&p, zvrf_id(zvrf), safi, &exist); |
1d30d1f4 DS |
1224 | if (!rnh) |
1225 | return; | |
1226 | ||
906b54dd | 1227 | orig_flags = rnh->flags; |
6cd9a93d | 1228 | if (connected && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) |
6071e5e9 | 1229 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); |
6cd9a93d DS |
1230 | else if (!connected |
1231 | && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
6071e5e9 | 1232 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); |
bf094f69 | 1233 | |
ed6cec97 DS |
1234 | if (resolve_via_default) |
1235 | SET_FLAG(rnh->flags, ZEBRA_NHT_RESOLVE_VIA_DEFAULT); | |
bf094f69 | 1236 | |
906b54dd DS |
1237 | if (orig_flags != rnh->flags) |
1238 | flag_changed = true; | |
1239 | ||
bf094f69 | 1240 | /* Anything not AF_INET/INET6 has been filtered out above */ |
906b54dd | 1241 | if (!exist || flag_changed) |
d597533a | 1242 | zebra_evaluate_rnh(zvrf, family2afi(p.family), 1, &p, |
027db469 | 1243 | safi); |
dd25a6b3 | 1244 | |
6071e5e9 | 1245 | zebra_add_rnh_client(rnh, client, zvrf_id(zvrf)); |
bf094f69 QY |
1246 | } |
1247 | ||
1248 | stream_failure: | |
1249 | return; | |
1250 | } | |
1251 | ||
1252 | /* Nexthop register */ | |
1253 | static void zread_rnh_unregister(ZAPI_HANDLER_ARGS) | |
1254 | { | |
1255 | struct rnh *rnh; | |
1256 | struct stream *s; | |
1257 | struct prefix p; | |
1258 | unsigned short l = 0; | |
027db469 | 1259 | safi_t safi; |
bf094f69 QY |
1260 | |
1261 | if (IS_ZEBRA_DEBUG_NHT) | |
1262 | zlog_debug( | |
63efca0e | 1263 | "rnh_unregister msg from client %s: hdr->length=%d vrf: %u", |
bf094f69 QY |
1264 | zebra_route_string(client->proto), hdr->length, |
1265 | zvrf->vrf->vrf_id); | |
1266 | ||
1267 | s = msg; | |
1268 | ||
1269 | while (l < hdr->length) { | |
6cd9a93d | 1270 | uint8_t ignore; |
bf094f69 | 1271 | |
6cd9a93d DS |
1272 | STREAM_GETC(s, ignore); |
1273 | if (ignore != 0) | |
ed6cec97 | 1274 | goto stream_failure; |
6cd9a93d DS |
1275 | STREAM_GETC(s, ignore); |
1276 | if (ignore != 0) | |
bf094f69 QY |
1277 | goto stream_failure; |
1278 | ||
027db469 | 1279 | STREAM_GETW(s, safi); |
bf094f69 QY |
1280 | STREAM_GETW(s, p.family); |
1281 | STREAM_GETC(s, p.prefixlen); | |
027db469 | 1282 | l += 7; |
bf094f69 | 1283 | if (p.family == AF_INET) { |
ab5990d8 | 1284 | client->v4_nh_watch_rem_cnt++; |
bf094f69 | 1285 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1286 | zlog_debug( |
bf094f69 | 1287 | "%s: Specified prefix hdr->length %d is to large for a v4 address", |
15569c58 | 1288 | __func__, p.prefixlen); |
bf094f69 QY |
1289 | return; |
1290 | } | |
1291 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1292 | l += IPV4_MAX_BYTELEN; | |
1293 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1294 | client->v6_nh_watch_rem_cnt++; |
bf094f69 | 1295 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1296 | zlog_debug( |
bf094f69 | 1297 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
15569c58 | 1298 | __func__, p.prefixlen); |
bf094f69 QY |
1299 | return; |
1300 | } | |
1301 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1302 | l += IPV6_MAX_BYTELEN; | |
1303 | } else { | |
af4c2728 | 1304 | flog_err( |
e914ccbe | 1305 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1306 | "rnh_register: Received unknown family type %d", |
bf094f69 QY |
1307 | p.family); |
1308 | return; | |
1309 | } | |
027db469 | 1310 | rnh = zebra_lookup_rnh(&p, zvrf_id(zvrf), safi); |
bf094f69 QY |
1311 | if (rnh) { |
1312 | client->nh_dereg_time = monotime(NULL); | |
6071e5e9 | 1313 | zebra_remove_rnh_client(rnh, client); |
bf094f69 QY |
1314 | } |
1315 | } | |
1316 | stream_failure: | |
1317 | return; | |
1318 | } | |
1319 | ||
1320 | #define ZEBRA_MIN_FEC_LENGTH 5 | |
1321 | ||
1322 | /* FEC register */ | |
1323 | static void zread_fec_register(ZAPI_HANDLER_ARGS) | |
1324 | { | |
1325 | struct stream *s; | |
1326 | unsigned short l = 0; | |
1327 | struct prefix p; | |
1328 | uint16_t flags; | |
57592a53 | 1329 | uint32_t label = MPLS_INVALID_LABEL; |
bf094f69 QY |
1330 | uint32_t label_index = MPLS_INVALID_LABEL_INDEX; |
1331 | ||
1332 | s = msg; | |
9a7d1e74 | 1333 | zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); |
bf094f69 | 1334 | if (!zvrf) |
8b1766b1 | 1335 | return; |
bf094f69 QY |
1336 | |
1337 | /* | |
1338 | * The minimum amount of data that can be sent for one fec | |
1339 | * registration | |
1340 | */ | |
1341 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1342 | flog_err( |
e914ccbe | 1343 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1344 | "fec_register: Received a fec register of hdr->length %d, it is of insufficient size to properly decode", |
1345 | hdr->length); | |
1346 | return; | |
1347 | } | |
1348 | ||
1349 | while (l < hdr->length) { | |
1350 | STREAM_GETW(s, flags); | |
1351 | memset(&p, 0, sizeof(p)); | |
1352 | STREAM_GETW(s, p.family); | |
1353 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1354 | flog_err( |
e914ccbe | 1355 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1356 | "fec_register: Received unknown family type %d", |
bf094f69 QY |
1357 | p.family); |
1358 | return; | |
1359 | } | |
1360 | STREAM_GETC(s, p.prefixlen); | |
1361 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1362 | || (p.family == AF_INET6 | |
1363 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1364 | zlog_debug( |
bf094f69 | 1365 | "%s: Specified prefix hdr->length: %d is to long for %d", |
15569c58 | 1366 | __func__, p.prefixlen, p.family); |
bf094f69 QY |
1367 | return; |
1368 | } | |
1369 | l += 5; | |
1370 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1371 | l += PSIZE(p.prefixlen); | |
57592a53 AD |
1372 | if (flags & ZEBRA_FEC_REGISTER_LABEL) { |
1373 | STREAM_GETL(s, label); | |
1374 | l += 4; | |
1375 | } else if (flags & ZEBRA_FEC_REGISTER_LABEL_INDEX) { | |
bf094f69 QY |
1376 | STREAM_GETL(s, label_index); |
1377 | l += 4; | |
57592a53 AD |
1378 | } |
1379 | ||
1380 | zebra_mpls_fec_register(zvrf, &p, label, label_index, client); | |
bf094f69 QY |
1381 | } |
1382 | ||
1383 | stream_failure: | |
1384 | return; | |
1385 | } | |
1386 | ||
1387 | /* FEC unregister */ | |
1388 | static void zread_fec_unregister(ZAPI_HANDLER_ARGS) | |
1389 | { | |
1390 | struct stream *s; | |
1391 | unsigned short l = 0; | |
1392 | struct prefix p; | |
1393 | uint16_t flags; | |
1394 | ||
1395 | s = msg; | |
9a7d1e74 | 1396 | zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); |
bf094f69 | 1397 | if (!zvrf) |
8b1766b1 | 1398 | return; |
bf094f69 QY |
1399 | |
1400 | /* | |
1401 | * The minimum amount of data that can be sent for one | |
1402 | * fec unregistration | |
1403 | */ | |
1404 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1405 | flog_err( |
e914ccbe | 1406 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1407 | "fec_unregister: Received a fec unregister of hdr->length %d, it is of insufficient size to properly decode", |
1408 | hdr->length); | |
1409 | return; | |
1410 | } | |
1411 | ||
1412 | while (l < hdr->length) { | |
1413 | STREAM_GETW(s, flags); | |
1414 | if (flags != 0) | |
1415 | goto stream_failure; | |
1416 | ||
1417 | memset(&p, 0, sizeof(p)); | |
1418 | STREAM_GETW(s, p.family); | |
1419 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1420 | flog_err( |
e914ccbe | 1421 | EC_ZEBRA_UNKNOWN_FAMILY, |
1d5453d6 | 1422 | "fec_unregister: Received unknown family type %d", |
bf094f69 QY |
1423 | p.family); |
1424 | return; | |
1425 | } | |
1426 | STREAM_GETC(s, p.prefixlen); | |
1427 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1428 | || (p.family == AF_INET6 | |
1429 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1430 | zlog_debug( |
bf094f69 | 1431 | "%s: Received prefix hdr->length %d which is greater than %d can support", |
15569c58 | 1432 | __func__, p.prefixlen, p.family); |
bf094f69 QY |
1433 | return; |
1434 | } | |
1435 | l += 5; | |
1436 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1437 | l += PSIZE(p.prefixlen); | |
1438 | zebra_mpls_fec_unregister(zvrf, &p, client); | |
1439 | } | |
1440 | ||
1441 | stream_failure: | |
1442 | return; | |
1443 | } | |
1444 | ||
1445 | ||
1446 | /* | |
1447 | * Register zebra server interface information. | |
1448 | * Send current all interface and address information. | |
1449 | */ | |
1450 | static void zread_interface_add(ZAPI_HANDLER_ARGS) | |
1451 | { | |
1452 | struct vrf *vrf; | |
1453 | struct interface *ifp; | |
1454 | ||
9212d1e1 | 1455 | vrf_id_t vrf_id = zvrf_id(zvrf); |
1456 | if (vrf_id != VRF_DEFAULT && vrf_id != VRF_UNKNOWN) { | |
1457 | FOR_ALL_INTERFACES (zvrf->vrf, ifp) { | |
1458 | /* Skip pseudo interface. */ | |
1459 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1460 | continue; | |
1461 | ||
1462 | zsend_interface_add(client, ifp); | |
1463 | zsend_interface_link_params(client, ifp); | |
1464 | zsend_interface_addresses(client, ifp); | |
1465 | } | |
1466 | return; | |
1467 | } | |
1468 | ||
bf094f69 QY |
1469 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
1470 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1471 | /* Skip pseudo interface. */ | |
1472 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1473 | continue; | |
1474 | ||
1475 | zsend_interface_add(client, ifp); | |
27ecbea3 | 1476 | zsend_interface_link_params(client, ifp); |
bf094f69 QY |
1477 | zsend_interface_addresses(client, ifp); |
1478 | } | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | /* Unregister zebra server interface information. */ | |
1483 | static void zread_interface_delete(ZAPI_HANDLER_ARGS) | |
1484 | { | |
bf094f69 QY |
1485 | } |
1486 | ||
c3bd894e QY |
1487 | /* |
1488 | * Handle message requesting interface be set up or down. | |
1489 | */ | |
1490 | static void zread_interface_set_protodown(ZAPI_HANDLER_ARGS) | |
1491 | { | |
1492 | ifindex_t ifindex; | |
1493 | struct interface *ifp; | |
1494 | char down; | |
5d414138 | 1495 | enum protodown_reasons reason; |
c3bd894e QY |
1496 | |
1497 | STREAM_GETL(msg, ifindex); | |
1498 | STREAM_GETC(msg, down); | |
1499 | ||
1500 | /* set ifdown */ | |
1501 | ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), ifindex); | |
c3bd894e | 1502 | |
5d414138 | 1503 | if (!ifp) { |
65dc7dd3 QY |
1504 | zlog_warn( |
1505 | "Cannot set protodown %s for interface %u; does not exist", | |
1506 | down ? "on" : "off", ifindex); | |
5d414138 SW |
1507 | |
1508 | return; | |
1509 | } | |
1510 | ||
1511 | switch (client->proto) { | |
1512 | case ZEBRA_ROUTE_VRRP: | |
1513 | reason = ZEBRA_PROTODOWN_VRRP; | |
1514 | break; | |
1515 | case ZEBRA_ROUTE_SHARP: | |
1516 | reason = ZEBRA_PROTODOWN_SHARP; | |
1517 | break; | |
1518 | default: | |
1519 | reason = 0; | |
1520 | break; | |
65dc7dd3 QY |
1521 | } |
1522 | ||
5d414138 | 1523 | zebra_if_set_protodown(ifp, down, reason); |
c3bd894e QY |
1524 | |
1525 | stream_failure: | |
1526 | return; | |
1527 | } | |
1528 | ||
786a9bd9 | 1529 | bool zserv_nexthop_num_warn(const char *caller, const struct prefix *p, |
bf094f69 QY |
1530 | const unsigned int nexthop_num) |
1531 | { | |
b3f2b590 | 1532 | if (nexthop_num > zrouter.multipath_num) { |
bf094f69 | 1533 | char buff[PREFIX2STR_BUFFER]; |
8b1766b1 | 1534 | |
e270f004 SW |
1535 | if (p) |
1536 | prefix2str(p, buff, sizeof(buff)); | |
1537 | ||
9df414fe | 1538 | flog_warn( |
e914ccbe | 1539 | EC_ZEBRA_MORE_NH_THAN_MULTIPATH, |
bf094f69 | 1540 | "%s: Prefix %s has %d nexthops, but we can only use the first %d", |
e270f004 SW |
1541 | caller, (p ? buff : "(NULL)"), nexthop_num, |
1542 | zrouter.multipath_num); | |
786a9bd9 | 1543 | return true; |
bf094f69 | 1544 | } |
786a9bd9 DS |
1545 | |
1546 | return false; | |
bf094f69 QY |
1547 | } |
1548 | ||
62e46303 MS |
1549 | /* |
1550 | * Create a new nexthop based on a zapi nexthop. | |
1551 | */ | |
2f35a820 DS |
1552 | static struct nexthop *nexthop_from_zapi(const struct zapi_nexthop *api_nh, |
1553 | uint32_t flags, struct prefix *p, | |
1554 | uint16_t backup_nexthop_num) | |
62e46303 MS |
1555 | { |
1556 | struct nexthop *nexthop = NULL; | |
1557 | struct ipaddr vtep_ip; | |
1558 | struct interface *ifp; | |
474aebd9 | 1559 | int i; |
62e46303 MS |
1560 | char nhbuf[INET6_ADDRSTRLEN] = ""; |
1561 | ||
62e46303 MS |
1562 | switch (api_nh->type) { |
1563 | case NEXTHOP_TYPE_IFINDEX: | |
1564 | nexthop = nexthop_from_ifindex(api_nh->ifindex, api_nh->vrf_id); | |
1565 | break; | |
1566 | case NEXTHOP_TYPE_IPV4: | |
1567 | if (IS_ZEBRA_DEBUG_RECV) { | |
1568 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1569 | sizeof(nhbuf)); | |
1570 | zlog_debug("%s: nh=%s, vrf_id=%d", __func__, | |
1571 | nhbuf, api_nh->vrf_id); | |
1572 | } | |
1573 | nexthop = nexthop_from_ipv4(&api_nh->gate.ipv4, NULL, | |
1574 | api_nh->vrf_id); | |
1575 | break; | |
1576 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
1577 | if (IS_ZEBRA_DEBUG_RECV) { | |
1578 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1579 | sizeof(nhbuf)); | |
1580 | zlog_debug("%s: nh=%s, vrf_id=%d, ifindex=%d", | |
1581 | __func__, nhbuf, api_nh->vrf_id, | |
1582 | api_nh->ifindex); | |
1583 | } | |
1584 | ||
1585 | nexthop = nexthop_from_ipv4_ifindex( | |
1586 | &api_nh->gate.ipv4, NULL, api_nh->ifindex, | |
1587 | api_nh->vrf_id); | |
1588 | ||
62e46303 MS |
1589 | /* Special handling for IPv4 routes sourced from EVPN: |
1590 | * the nexthop and associated MAC need to be installed. | |
1591 | */ | |
5609e70f | 1592 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_EVPN)) { |
6006b807 | 1593 | memset(&vtep_ip, 0, sizeof(vtep_ip)); |
62e46303 MS |
1594 | vtep_ip.ipa_type = IPADDR_V4; |
1595 | memcpy(&(vtep_ip.ipaddr_v4), &(api_nh->gate.ipv4), | |
1596 | sizeof(struct in_addr)); | |
8244ba34 | 1597 | zebra_rib_queue_evpn_route_add( |
ff9aca4f | 1598 | api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p); |
5609e70f | 1599 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN); |
62e46303 MS |
1600 | } |
1601 | break; | |
1602 | case NEXTHOP_TYPE_IPV6: | |
1603 | if (IS_ZEBRA_DEBUG_RECV) { | |
1604 | inet_ntop(AF_INET6, &api_nh->gate.ipv6, nhbuf, | |
1605 | sizeof(nhbuf)); | |
1606 | zlog_debug("%s: nh=%s, vrf_id=%d", __func__, | |
1607 | nhbuf, api_nh->vrf_id); | |
1608 | } | |
1609 | nexthop = nexthop_from_ipv6(&api_nh->gate.ipv6, api_nh->vrf_id); | |
1610 | break; | |
1611 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
1612 | if (IS_ZEBRA_DEBUG_RECV) { | |
1613 | inet_ntop(AF_INET6, &api_nh->gate.ipv6, nhbuf, | |
1614 | sizeof(nhbuf)); | |
1615 | zlog_debug("%s: nh=%s, vrf_id=%d, ifindex=%d", | |
1616 | __func__, nhbuf, api_nh->vrf_id, | |
1617 | api_nh->ifindex); | |
1618 | } | |
1619 | nexthop = nexthop_from_ipv6_ifindex(&api_nh->gate.ipv6, | |
1620 | api_nh->ifindex, | |
1621 | api_nh->vrf_id); | |
1622 | ||
1623 | /* Special handling for IPv6 routes sourced from EVPN: | |
1624 | * the nexthop and associated MAC need to be installed. | |
1625 | */ | |
5609e70f | 1626 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_EVPN)) { |
6006b807 | 1627 | memset(&vtep_ip, 0, sizeof(vtep_ip)); |
62e46303 MS |
1628 | vtep_ip.ipa_type = IPADDR_V6; |
1629 | memcpy(&vtep_ip.ipaddr_v6, &(api_nh->gate.ipv6), | |
1630 | sizeof(struct in6_addr)); | |
8244ba34 | 1631 | zebra_rib_queue_evpn_route_add( |
ff9aca4f | 1632 | api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p); |
5609e70f | 1633 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN); |
62e46303 MS |
1634 | } |
1635 | break; | |
1636 | case NEXTHOP_TYPE_BLACKHOLE: | |
1637 | if (IS_ZEBRA_DEBUG_RECV) | |
1638 | zlog_debug("%s: nh blackhole %d", | |
1639 | __func__, api_nh->bh_type); | |
1640 | ||
0789eb69 KM |
1641 | nexthop = |
1642 | nexthop_from_blackhole(api_nh->bh_type, api_nh->vrf_id); | |
62e46303 MS |
1643 | break; |
1644 | } | |
1645 | ||
1646 | /* Return early if we couldn't process the zapi nexthop */ | |
1647 | if (nexthop == NULL) { | |
1648 | goto done; | |
1649 | } | |
1650 | ||
12b4d77b | 1651 | /* Mark nexthop as onlink either if client has explicitly told us |
1652 | * to or if the nexthop is on an 'unnumbered' interface. | |
1653 | */ | |
62e46303 MS |
1654 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_ONLINK)) |
1655 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK); | |
12b4d77b | 1656 | else if (api_nh->type == NEXTHOP_TYPE_IPV4_IFINDEX) { |
1657 | ifp = if_lookup_by_index(api_nh->ifindex, api_nh->vrf_id); | |
1658 | if (ifp && connected_is_unnumbered(ifp)) | |
1659 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK); | |
1660 | } | |
62e46303 MS |
1661 | |
1662 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_WEIGHT)) | |
1663 | nexthop->weight = api_nh->weight; | |
1664 | ||
1d48702e | 1665 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_HAS_BACKUP)) { |
474aebd9 MS |
1666 | /* Validate count */ |
1667 | if (api_nh->backup_num > NEXTHOP_MAX_BACKUPS) { | |
1d48702e | 1668 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) |
474aebd9 MS |
1669 | zlog_debug("%s: invalid backup nh count %d", |
1670 | __func__, api_nh->backup_num); | |
1671 | nexthop_free(nexthop); | |
1672 | nexthop = NULL; | |
1673 | goto done; | |
1674 | } | |
1675 | ||
1676 | /* Copy backup info */ | |
1677 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP); | |
1678 | nexthop->backup_num = api_nh->backup_num; | |
1679 | ||
1680 | for (i = 0; i < api_nh->backup_num; i++) { | |
1681 | /* Validate backup index */ | |
2f35a820 | 1682 | if (api_nh->backup_idx[i] < backup_nexthop_num) { |
474aebd9 MS |
1683 | nexthop->backup_idx[i] = api_nh->backup_idx[i]; |
1684 | } else { | |
1685 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) | |
1686 | zlog_debug("%s: invalid backup nh idx %d", | |
1687 | __func__, | |
1688 | api_nh->backup_idx[i]); | |
1689 | nexthop_free(nexthop); | |
1690 | nexthop = NULL; | |
1691 | goto done; | |
1692 | } | |
1d48702e MS |
1693 | } |
1694 | } | |
474aebd9 | 1695 | |
62e46303 MS |
1696 | done: |
1697 | return nexthop; | |
1698 | } | |
1699 | ||
2f35a820 DS |
1700 | static bool zapi_read_nexthops(struct zserv *client, struct prefix *p, |
1701 | struct zapi_nexthop *nhops, uint32_t flags, | |
1702 | uint32_t message, uint16_t nexthop_num, | |
1703 | uint16_t backup_nh_num, | |
f70da2a3 DS |
1704 | struct nexthop_group **png, |
1705 | struct nhg_backup_info **pbnhg) | |
bf094f69 | 1706 | { |
0eb97b86 | 1707 | struct nexthop_group *ng = NULL; |
1d48702e | 1708 | struct nhg_backup_info *bnhg = NULL; |
2f35a820 | 1709 | uint16_t i; |
f70da2a3 | 1710 | struct nexthop *last_nh = NULL; |
bf094f69 | 1711 | |
f70da2a3 | 1712 | assert(!(png && pbnhg)); |
c2c02b76 | 1713 | |
2f35a820 | 1714 | if (png) |
66c28560 | 1715 | ng = nexthop_group_new(); |
bf094f69 | 1716 | |
2f35a820 | 1717 | if (pbnhg && backup_nh_num > 0) { |
f70da2a3 | 1718 | if (IS_ZEBRA_DEBUG_RECV) |
2f35a820 DS |
1719 | zlog_debug("%s: adding %d backup nexthops", __func__, |
1720 | backup_nh_num); | |
7fcb24bb | 1721 | |
66c28560 | 1722 | bnhg = zebra_nhg_backup_alloc(); |
62e46303 MS |
1723 | } |
1724 | ||
bf094f69 QY |
1725 | /* |
1726 | * TBD should _all_ of the nexthop add operations use | |
1727 | * api_nh->vrf_id instead of re->vrf_id ? I only changed | |
1728 | * for cases NEXTHOP_TYPE_IPV4 and NEXTHOP_TYPE_IPV6. | |
1729 | */ | |
f70da2a3 DS |
1730 | for (i = 0; i < nexthop_num; i++) { |
1731 | struct nexthop *nexthop; | |
1732 | enum lsp_types_t label_type; | |
1733 | char nhbuf[NEXTHOP_STRLEN]; | |
1734 | char labelbuf[MPLS_LABEL_STRLEN]; | |
1735 | struct zapi_nexthop *api_nh = &nhops[i]; | |
7fcb24bb | 1736 | |
62e46303 | 1737 | /* Convert zapi nexthop */ |
2f35a820 | 1738 | nexthop = nexthop_from_zapi(api_nh, flags, p, backup_nh_num); |
62e46303 MS |
1739 | if (!nexthop) { |
1740 | flog_warn( | |
1741 | EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
f70da2a3 DS |
1742 | "%s: Nexthops Specified: %u(%u) but we failed to properly create one", |
1743 | __func__, nexthop_num, i); | |
1744 | if (ng) | |
1745 | nexthop_group_delete(&ng); | |
1746 | if (bnhg) | |
1747 | zebra_nhg_backup_free(&bnhg); | |
1748 | return false; | |
62e46303 | 1749 | } |
7fcb24bb | 1750 | |
ff9aca4f SW |
1751 | if (bnhg |
1752 | && CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP)) { | |
f70da2a3 DS |
1753 | if (IS_ZEBRA_DEBUG_RECV) { |
1754 | nexthop2str(nexthop, nhbuf, sizeof(nhbuf)); | |
1755 | zlog_debug("%s: backup nh %s with BACKUP flag!", | |
1756 | __func__, nhbuf); | |
1757 | } | |
1758 | UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP); | |
1759 | nexthop->backup_num = 0; | |
1760 | } | |
1761 | ||
2f35a820 | 1762 | if (CHECK_FLAG(message, ZAPI_MESSAGE_SRTE)) { |
31f937fb SM |
1763 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_SRTE); |
1764 | nexthop->srte_color = api_nh->srte_color; | |
1765 | } | |
1766 | ||
4645cb6b | 1767 | /* Labels for MPLS BGP-LU or Segment Routing or EVPN */ |
62e46303 MS |
1768 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_LABEL) |
1769 | && api_nh->type != NEXTHOP_TYPE_IFINDEX | |
1770 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE | |
1771 | && api_nh->label_num > 0) { | |
7fcb24bb | 1772 | |
d5ea1185 SW |
1773 | /* If label type was passed, use it */ |
1774 | if (api_nh->label_type) | |
1775 | label_type = api_nh->label_type; | |
4645cb6b SW |
1776 | else |
1777 | label_type = | |
1778 | lsp_type_from_re_type(client->proto); | |
1779 | ||
62e46303 MS |
1780 | nexthop_add_labels(nexthop, label_type, |
1781 | api_nh->label_num, | |
1782 | &api_nh->labels[0]); | |
bf094f69 | 1783 | } |
bf094f69 | 1784 | |
c60c1ade | 1785 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_SEG6LOCAL) |
8689b25a HS |
1786 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE) { |
1787 | if (IS_ZEBRA_DEBUG_RECV) | |
1788 | zlog_debug("%s: adding seg6local action %s", | |
1789 | __func__, | |
1790 | seg6local_action2str( | |
1791 | api_nh->seg6local_action)); | |
1792 | ||
eab0f8f0 HS |
1793 | nexthop_add_srv6_seg6local(nexthop, |
1794 | api_nh->seg6local_action, | |
1795 | &api_nh->seg6local_ctx); | |
8689b25a HS |
1796 | } |
1797 | ||
c60c1ade | 1798 | if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_SEG6) |
76fb7ae4 HS |
1799 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE) { |
1800 | if (IS_ZEBRA_DEBUG_RECV) | |
1801 | zlog_debug("%s: adding seg6", __func__); | |
1802 | ||
eab0f8f0 | 1803 | nexthop_add_srv6_seg6(nexthop, &api_nh->seg6_segs); |
76fb7ae4 HS |
1804 | } |
1805 | ||
1d48702e MS |
1806 | if (IS_ZEBRA_DEBUG_RECV) { |
1807 | labelbuf[0] = '\0'; | |
1808 | nhbuf[0] = '\0'; | |
1809 | ||
1810 | nexthop2str(nexthop, nhbuf, sizeof(nhbuf)); | |
1811 | ||
1812 | if (nexthop->nh_label && | |
1813 | nexthop->nh_label->num_labels > 0) { | |
1814 | mpls_label2str(nexthop->nh_label->num_labels, | |
1815 | nexthop->nh_label->label, | |
1816 | labelbuf, sizeof(labelbuf), | |
4645cb6b | 1817 | nexthop->nh_label_type, false); |
1d48702e MS |
1818 | } |
1819 | ||
1820 | zlog_debug("%s: nh=%s, vrf_id=%d %s", | |
1821 | __func__, nhbuf, api_nh->vrf_id, labelbuf); | |
1822 | } | |
1823 | ||
66c28560 | 1824 | if (ng) { |
f70da2a3 | 1825 | /* Add new nexthop to temporary list. This list is |
ff9aca4f SW |
1826 | * canonicalized - sorted - so that it can be hashed |
1827 | * later in route processing. We expect that the sender | |
1828 | * has sent the list sorted, and the zapi client api | |
1829 | * attempts to enforce that, so this should be | |
1830 | * inexpensive - but it is necessary to support shared | |
1831 | * nexthop-groups. | |
f70da2a3 DS |
1832 | */ |
1833 | nexthop_group_add_sorted(ng, nexthop); | |
1834 | } | |
1835 | if (bnhg) { | |
ff9aca4f SW |
1836 | /* Note that the order of the backup nexthops is |
1837 | * significant, so we don't sort this list as we do the | |
1838 | * primary nexthops, we just append. | |
f70da2a3 DS |
1839 | */ |
1840 | if (last_nh) | |
1841 | NEXTHOP_APPEND(last_nh, nexthop); | |
1842 | else | |
1843 | bnhg->nhe->nhg.nexthop = nexthop; | |
1844 | ||
1845 | last_nh = nexthop; | |
1846 | } | |
62e46303 MS |
1847 | } |
1848 | ||
66c28560 SW |
1849 | |
1850 | /* succesfully read, set caller pointers now */ | |
1851 | if (png) | |
1852 | *png = ng; | |
1853 | ||
1854 | if (pbnhg) | |
1855 | *pbnhg = bnhg; | |
1856 | ||
f70da2a3 DS |
1857 | return true; |
1858 | } | |
62e46303 | 1859 | |
5898ce6f | 1860 | static int zapi_nhg_decode(struct stream *s, int cmd, struct zapi_nhg *api_nhg) |
21735352 SW |
1861 | { |
1862 | uint16_t i; | |
1863 | struct zapi_nexthop *znh; | |
1864 | ||
1865 | STREAM_GETW(s, api_nhg->proto); | |
1866 | STREAM_GETL(s, api_nhg->id); | |
1867 | ||
1868 | if (cmd == ZEBRA_NHG_DEL) | |
1869 | goto done; | |
1870 | ||
ca2b3467 DS |
1871 | STREAM_GETW(s, api_nhg->resilience.buckets); |
1872 | STREAM_GETL(s, api_nhg->resilience.idle_timer); | |
1873 | STREAM_GETL(s, api_nhg->resilience.unbalanced_timer); | |
1874 | ||
21735352 SW |
1875 | /* Nexthops */ |
1876 | STREAM_GETW(s, api_nhg->nexthop_num); | |
1877 | ||
1878 | if (zserv_nexthop_num_warn(__func__, NULL, api_nhg->nexthop_num)) | |
1879 | return -1; | |
1880 | ||
1881 | if (api_nhg->nexthop_num <= 0) { | |
1882 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1883 | "%s: No nexthops sent", __func__); | |
1884 | return -1; | |
1885 | } | |
1886 | ||
1887 | for (i = 0; i < api_nhg->nexthop_num; i++) { | |
1888 | znh = &((api_nhg->nexthops)[i]); | |
1889 | ||
1890 | if (zapi_nexthop_decode(s, znh, 0, 0) != 0) { | |
1891 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1892 | "%s: Nexthop creation failed", __func__); | |
1893 | return -1; | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | /* Backup Nexthops */ | |
1898 | STREAM_GETW(s, api_nhg->backup_nexthop_num); | |
1899 | ||
1900 | if (zserv_nexthop_num_warn(__func__, NULL, api_nhg->backup_nexthop_num)) | |
1901 | return -1; | |
1902 | ||
1903 | for (i = 0; i < api_nhg->backup_nexthop_num; i++) { | |
1904 | znh = &((api_nhg->backup_nexthops)[i]); | |
1905 | ||
1906 | if (zapi_nexthop_decode(s, znh, 0, 0) != 0) { | |
1907 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1908 | "%s: Backup Nexthop creation failed", | |
1909 | __func__); | |
1910 | return -1; | |
1911 | } | |
1912 | } | |
1913 | ||
1914 | done: | |
1915 | return 0; | |
1916 | ||
1917 | stream_failure: | |
1918 | flog_warn( | |
1919 | EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1920 | "%s: Nexthop Group decode failed with some sort of stream read failure", | |
1921 | __func__); | |
1922 | return -1; | |
1923 | } | |
1924 | ||
2f35a820 DS |
1925 | static void zread_nhg_del(ZAPI_HANDLER_ARGS) |
1926 | { | |
21735352 SW |
1927 | struct stream *s; |
1928 | struct zapi_nhg api_nhg = {}; | |
0885b1e3 | 1929 | struct nhg_hash_entry *nhe; |
2f35a820 | 1930 | |
21735352 SW |
1931 | s = msg; |
1932 | if (zapi_nhg_decode(s, hdr->command, &api_nhg) < 0) { | |
1933 | if (IS_ZEBRA_DEBUG_RECV) | |
1934 | zlog_debug("%s: Unable to decode zapi_nhg sent", | |
1935 | __func__); | |
1936 | return; | |
1937 | } | |
2f35a820 DS |
1938 | |
1939 | /* | |
1940 | * Delete the received nhg id | |
2f35a820 | 1941 | */ |
21735352 | 1942 | nhe = zebra_nhg_proto_del(api_nhg.id, api_nhg.proto); |
0885b1e3 SW |
1943 | |
1944 | if (nhe) { | |
6fae63d2 | 1945 | zebra_nhg_decrement_ref(nhe); |
ee94437e MS |
1946 | zsend_nhg_notify(api_nhg.proto, client->instance, |
1947 | client->session_id, api_nhg.id, | |
1948 | ZAPI_NHG_REMOVED); | |
0885b1e3 | 1949 | } else |
ee94437e MS |
1950 | zsend_nhg_notify(api_nhg.proto, client->instance, |
1951 | client->session_id, api_nhg.id, | |
1952 | ZAPI_NHG_REMOVE_FAIL); | |
2f35a820 DS |
1953 | } |
1954 | ||
8b2d3a0f | 1955 | static void zread_nhg_add(ZAPI_HANDLER_ARGS) |
2f35a820 DS |
1956 | { |
1957 | struct stream *s; | |
21735352 | 1958 | struct zapi_nhg api_nhg = {}; |
2f35a820 | 1959 | struct nexthop_group *nhg = NULL; |
21735352 | 1960 | struct nhg_backup_info *bnhg = NULL; |
0885b1e3 | 1961 | struct nhg_hash_entry *nhe; |
2f35a820 | 1962 | |
2f35a820 | 1963 | s = msg; |
21735352 SW |
1964 | if (zapi_nhg_decode(s, hdr->command, &api_nhg) < 0) { |
1965 | if (IS_ZEBRA_DEBUG_RECV) | |
1966 | zlog_debug("%s: Unable to decode zapi_nhg sent", | |
1967 | __func__); | |
68671c74 SW |
1968 | return; |
1969 | } | |
1970 | ||
21735352 SW |
1971 | if ((!zapi_read_nexthops(client, NULL, api_nhg.nexthops, 0, 0, |
1972 | api_nhg.nexthop_num, | |
1973 | api_nhg.backup_nexthop_num, &nhg, NULL)) | |
1974 | || (!zapi_read_nexthops(client, NULL, api_nhg.backup_nexthops, 0, 0, | |
1975 | api_nhg.backup_nexthop_num, | |
1976 | api_nhg.backup_nexthop_num, NULL, &bnhg))) { | |
2f35a820 | 1977 | |
2f35a820 | 1978 | flog_warn(EC_ZEBRA_NEXTHOP_CREATION_FAILED, |
ff9aca4f | 1979 | "%s: Nexthop Group Creation failed", __func__); |
fd99142a MS |
1980 | |
1981 | /* Free any local allocations */ | |
1982 | nexthop_group_delete(&nhg); | |
1983 | zebra_nhg_backup_free(&bnhg); | |
1984 | ||
2f35a820 DS |
1985 | return; |
1986 | } | |
0885b1e3 | 1987 | |
04bec7b2 MS |
1988 | /* Create a temporary nhe */ |
1989 | nhe = zebra_nhg_alloc(); | |
1990 | nhe->id = api_nhg.id; | |
1991 | nhe->type = api_nhg.proto; | |
1992 | nhe->zapi_instance = client->instance; | |
1993 | nhe->zapi_session = client->session_id; | |
0885b1e3 | 1994 | |
04bec7b2 MS |
1995 | /* Take over the list(s) of nexthops */ |
1996 | nhe->nhg.nexthop = nhg->nexthop; | |
1997 | nhg->nexthop = NULL; | |
1998 | ||
ca2b3467 DS |
1999 | nhe->nhg.nhgr = api_nhg.resilience; |
2000 | ||
04bec7b2 MS |
2001 | if (bnhg) { |
2002 | nhe->backup_info = bnhg; | |
2003 | bnhg = NULL; | |
2004 | } | |
0885b1e3 SW |
2005 | |
2006 | /* | |
2007 | * TODO: | |
2008 | * Assume fully resolved for now and install. | |
0885b1e3 SW |
2009 | * Resolution is going to need some more work. |
2010 | */ | |
ee94437e | 2011 | |
04bec7b2 MS |
2012 | /* Enqueue to workqueue for processing */ |
2013 | rib_queue_nhe_add(nhe); | |
2014 | ||
2015 | /* Free any local allocations */ | |
2016 | nexthop_group_delete(&nhg); | |
2017 | zebra_nhg_backup_free(&bnhg); | |
2018 | ||
2f35a820 DS |
2019 | } |
2020 | ||
f70da2a3 DS |
2021 | static void zread_route_add(ZAPI_HANDLER_ARGS) |
2022 | { | |
2023 | struct stream *s; | |
2024 | struct zapi_route api; | |
2025 | afi_t afi; | |
2026 | struct prefix_ipv6 *src_p = NULL; | |
2027 | struct route_entry *re; | |
2028 | struct nexthop_group *ng = NULL; | |
2029 | struct nhg_backup_info *bnhg = NULL; | |
2030 | int ret; | |
2031 | vrf_id_t vrf_id; | |
d7ac4c4d | 2032 | struct nhg_hash_entry nhe, *n = NULL; |
0eb97b86 | 2033 | |
f70da2a3 DS |
2034 | s = msg; |
2035 | if (zapi_route_decode(s, &api) < 0) { | |
2036 | if (IS_ZEBRA_DEBUG_RECV) | |
2037 | zlog_debug("%s: Unable to decode zapi_route sent", | |
2038 | __func__); | |
2039 | return; | |
2040 | } | |
1d48702e | 2041 | |
f70da2a3 | 2042 | vrf_id = zvrf_id(zvrf); |
31f937fb | 2043 | |
2dbe669b DA |
2044 | if (IS_ZEBRA_DEBUG_RECV) |
2045 | zlog_debug("%s: p=(%u:%u)%pFX, msg flags=0x%x, flags=0x%x", | |
2046 | __func__, vrf_id, api.tableid, &api.prefix, | |
f70da2a3 | 2047 | (int)api.message, api.flags); |
0eb97b86 | 2048 | |
f70da2a3 | 2049 | /* Allocate new route. */ |
b0385873 DS |
2050 | re = zebra_rib_route_entry_new( |
2051 | vrf_id, api.type, api.instance, api.flags, api.nhgid, | |
2052 | api.tableid ? api.tableid : zvrf->table_id, api.metric, api.mtu, | |
2053 | api.distance, api.tag); | |
1d48702e | 2054 | |
27141ea9 DS |
2055 | if (!CHECK_FLAG(api.message, ZAPI_MESSAGE_NHG) |
2056 | && (!CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) | |
2057 | || api.nexthop_num == 0)) { | |
ff9aca4f SW |
2058 | flog_warn( |
2059 | EC_ZEBRA_RX_ROUTE_NO_NEXTHOPS, | |
2060 | "%s: received a route without nexthops for prefix %pFX from client %s", | |
2061 | __func__, &api.prefix, | |
2062 | zebra_route_string(client->proto)); | |
1d48702e | 2063 | |
f70da2a3 DS |
2064 | XFREE(MTYPE_RE, re); |
2065 | return; | |
2066 | } | |
1d48702e | 2067 | |
f70da2a3 | 2068 | /* Report misuse of the backup flag */ |
ff9aca4f SW |
2069 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_BACKUP_NEXTHOPS) |
2070 | && api.backup_nexthop_num == 0) { | |
f70da2a3 | 2071 | if (IS_ZEBRA_DEBUG_RECV || IS_ZEBRA_DEBUG_EVENT) |
ff9aca4f SW |
2072 | zlog_debug( |
2073 | "%s: client %s: BACKUP flag set but no backup nexthops, prefix %pFX", | |
2074 | __func__, zebra_route_string(client->proto), | |
2075 | &api.prefix); | |
f70da2a3 | 2076 | } |
62e46303 | 2077 | |
50db3f2f | 2078 | if (!re->nhe_id |
2b5ecd4c SW |
2079 | && (!zapi_read_nexthops(client, &api.prefix, api.nexthops, |
2080 | api.flags, api.message, api.nexthop_num, | |
2081 | api.backup_nexthop_num, &ng, NULL) | |
2082 | || !zapi_read_nexthops(client, &api.prefix, api.backup_nexthops, | |
2083 | api.flags, api.message, | |
2084 | api.backup_nexthop_num, | |
2085 | api.backup_nexthop_num, NULL, &bnhg))) { | |
21735352 SW |
2086 | |
2087 | nexthop_group_delete(&ng); | |
2088 | zebra_nhg_backup_free(&bnhg); | |
f70da2a3 DS |
2089 | XFREE(MTYPE_RE, re); |
2090 | return; | |
7fcb24bb RW |
2091 | } |
2092 | ||
a29a6001 | 2093 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_OPAQUE)) { |
b86c1f4f MS |
2094 | re->opaque = |
2095 | XMALLOC(MTYPE_RE_OPAQUE, | |
2096 | sizeof(struct re_opaque) + api.opaque.length); | |
a29a6001 DS |
2097 | re->opaque->length = api.opaque.length; |
2098 | memcpy(re->opaque->data, api.opaque.data, re->opaque->length); | |
2099 | } | |
2100 | ||
bf094f69 QY |
2101 | afi = family2afi(api.prefix.family); |
2102 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 2103 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 2104 | "%s: Received SRC Prefix but afi is not v6", |
15569c58 | 2105 | __func__); |
0eb97b86 | 2106 | nexthop_group_delete(&ng); |
1d48702e | 2107 | zebra_nhg_backup_free(&bnhg); |
b86c1f4f | 2108 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
bf094f69 QY |
2109 | XFREE(MTYPE_RE, re); |
2110 | return; | |
2111 | } | |
2112 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
2113 | src_p = &api.src_prefix; | |
2114 | ||
5e7939a5 DS |
2115 | if (api.safi != SAFI_UNICAST && api.safi != SAFI_MULTICAST) { |
2116 | flog_warn(EC_LIB_ZAPI_MISSMATCH, | |
2117 | "%s: Received safi: %d but we can only accept UNICAST or MULTICAST", | |
2118 | __func__, api.safi); | |
2119 | nexthop_group_delete(&ng); | |
1d48702e | 2120 | zebra_nhg_backup_free(&bnhg); |
b86c1f4f | 2121 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
5e7939a5 DS |
2122 | XFREE(MTYPE_RE, re); |
2123 | return; | |
2124 | } | |
1d48702e | 2125 | |
50db3f2f SW |
2126 | /* |
2127 | * If we have an ID, this proto owns the NHG it sent along with the | |
2128 | * route, so we just send the ID into rib code with it. | |
2129 | * | |
2130 | * Havent figured out how to handle backup NHs with this yet, so lets | |
2131 | * keep that separate. | |
2132 | * Include backup info with the route. We use a temporary nhe here; | |
377e29f7 MS |
2133 | * if this is a new/unknown nhe, a new copy will be allocated |
2134 | * and stored. | |
2135 | */ | |
50db3f2f SW |
2136 | if (!re->nhe_id) { |
2137 | zebra_nhe_init(&nhe, afi, ng->nexthop); | |
2138 | nhe.nhg.nexthop = ng->nexthop; | |
2139 | nhe.backup_info = bnhg; | |
d7ac4c4d | 2140 | n = zebra_nhe_copy(&nhe, 0); |
50db3f2f | 2141 | } |
d7ac4c4d DS |
2142 | ret = rib_add_multipath_nhe(afi, api.safi, &api.prefix, src_p, re, n, |
2143 | false); | |
bf094f69 | 2144 | |
f94a7703 DS |
2145 | /* |
2146 | * rib_add_multipath_nhe only fails in a couple spots | |
2147 | * and in those spots we have not freed memory | |
2148 | */ | |
38c764dd DS |
2149 | if (ret == -1) { |
2150 | client->error_cnt++; | |
b86c1f4f | 2151 | XFREE(MTYPE_RE_OPAQUE, re->opaque); |
f94a7703 | 2152 | XFREE(MTYPE_RE, re); |
38c764dd | 2153 | } |
f94a7703 | 2154 | |
377e29f7 MS |
2155 | /* At this point, these allocations are not needed: 're' has been |
2156 | * retained or freed, and if 're' still exists, it is using | |
2157 | * a reference to a shared group object. | |
2158 | */ | |
2159 | nexthop_group_delete(&ng); | |
2160 | if (bnhg) | |
2161 | zebra_nhg_backup_free(&bnhg); | |
2162 | ||
bf094f69 QY |
2163 | /* Stats */ |
2164 | switch (api.prefix.family) { | |
2165 | case AF_INET: | |
38c764dd | 2166 | if (ret == 0) |
bf094f69 | 2167 | client->v4_route_add_cnt++; |
38c764dd | 2168 | else if (ret == 1) |
bf094f69 QY |
2169 | client->v4_route_upd8_cnt++; |
2170 | break; | |
2171 | case AF_INET6: | |
38c764dd | 2172 | if (ret == 0) |
bf094f69 | 2173 | client->v6_route_add_cnt++; |
38c764dd | 2174 | else if (ret == 1) |
bf094f69 QY |
2175 | client->v6_route_upd8_cnt++; |
2176 | break; | |
2177 | } | |
2178 | } | |
2179 | ||
b86c1f4f | 2180 | void zapi_re_opaque_free(struct re_opaque *opaque) |
224ccf29 | 2181 | { |
b86c1f4f | 2182 | XFREE(MTYPE_RE_OPAQUE, opaque); |
224ccf29 DL |
2183 | } |
2184 | ||
bf094f69 QY |
2185 | static void zread_route_del(ZAPI_HANDLER_ARGS) |
2186 | { | |
2187 | struct stream *s; | |
2188 | struct zapi_route api; | |
2189 | afi_t afi; | |
2190 | struct prefix_ipv6 *src_p = NULL; | |
2191 | uint32_t table_id; | |
2192 | ||
2193 | s = msg; | |
2194 | if (zapi_route_decode(s, &api) < 0) | |
2195 | return; | |
2196 | ||
2197 | afi = family2afi(api.prefix.family); | |
2198 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 2199 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 2200 | "%s: Received a src prefix while afi is not v6", |
15569c58 | 2201 | __func__); |
bf094f69 QY |
2202 | return; |
2203 | } | |
2204 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
2205 | src_p = &api.src_prefix; | |
2206 | ||
60ca3cc2 | 2207 | if (api.tableid) |
bf094f69 QY |
2208 | table_id = api.tableid; |
2209 | else | |
2210 | table_id = zvrf->table_id; | |
2211 | ||
2dbe669b DA |
2212 | if (IS_ZEBRA_DEBUG_RECV) |
2213 | zlog_debug("%s: p=(%u:%u)%pFX, msg flags=0x%x, flags=0x%x", | |
2214 | __func__, zvrf_id(zvrf), table_id, &api.prefix, | |
c2c02b76 | 2215 | (int)api.message, api.flags); |
c2c02b76 | 2216 | |
bf094f69 | 2217 | rib_delete(afi, api.safi, zvrf_id(zvrf), api.type, api.instance, |
bc541126 | 2218 | api.flags, &api.prefix, src_p, NULL, 0, table_id, api.metric, |
3ceae22b | 2219 | api.distance, false); |
bf094f69 QY |
2220 | |
2221 | /* Stats */ | |
2222 | switch (api.prefix.family) { | |
2223 | case AF_INET: | |
2224 | client->v4_route_del_cnt++; | |
2225 | break; | |
2226 | case AF_INET6: | |
2227 | client->v6_route_del_cnt++; | |
2228 | break; | |
2229 | } | |
2230 | } | |
2231 | ||
bf094f69 | 2232 | /* MRIB Nexthop lookup for IPv4. */ |
34ee41c6 | 2233 | static void zread_nexthop_lookup_mrib(ZAPI_HANDLER_ARGS) |
bf094f69 | 2234 | { |
34ee41c6 DL |
2235 | struct ipaddr addr; |
2236 | struct route_entry *re = NULL; | |
312e29b0 | 2237 | union g_addr gaddr; |
34ee41c6 DL |
2238 | |
2239 | STREAM_GET_IPADDR(msg, &addr); | |
2240 | ||
2241 | switch (addr.ipa_type) { | |
2242 | case IPADDR_V4: | |
312e29b0 DS |
2243 | gaddr.ipv4 = addr.ipaddr_v4; |
2244 | re = rib_match_multicast(AFI_IP, zvrf_id(zvrf), &gaddr, NULL); | |
34ee41c6 DL |
2245 | break; |
2246 | case IPADDR_V6: | |
312e29b0 DS |
2247 | gaddr.ipv6 = addr.ipaddr_v6; |
2248 | re = rib_match_multicast(AFI_IP6, zvrf_id(zvrf), &gaddr, NULL); | |
34ee41c6 DL |
2249 | break; |
2250 | case IPADDR_NONE: | |
2251 | /* ??? */ | |
2252 | goto stream_failure; | |
2253 | } | |
bf094f69 | 2254 | |
34ee41c6 | 2255 | zsend_nexthop_lookup_mrib(client, &addr, re, zvrf); |
bf094f69 QY |
2256 | |
2257 | stream_failure: | |
2258 | return; | |
2259 | } | |
2260 | ||
bf094f69 QY |
2261 | /* Register zebra server router-id information. Send current router-id */ |
2262 | static void zread_router_id_add(ZAPI_HANDLER_ARGS) | |
2263 | { | |
98a3fb0a | 2264 | afi_t afi; |
bf094f69 | 2265 | struct prefix p; |
01141358 | 2266 | struct prefix zero; |
bf094f69 | 2267 | |
98a3fb0a SM |
2268 | STREAM_GETW(msg, afi); |
2269 | ||
2270 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
2271 | zlog_warn( | |
2272 | "Invalid AFI %u while registering for router ID notifications", | |
2273 | afi); | |
2274 | goto stream_failure; | |
2275 | } | |
2276 | ||
bf094f69 | 2277 | /* Router-id information is needed. */ |
98a3fb0a | 2278 | vrf_bitmap_set(client->ridinfo[afi], zvrf_id(zvrf)); |
bf094f69 | 2279 | |
98a3fb0a | 2280 | router_id_get(afi, &p, zvrf); |
bf094f69 | 2281 | |
01141358 DS |
2282 | /* |
2283 | * If we have not officially setup a router-id let's not | |
2284 | * tell the upper level protocol about it yet. | |
2285 | */ | |
2286 | memset(&zero, 0, sizeof(zero)); | |
2287 | if ((p.family == AF_INET && p.u.prefix4.s_addr == INADDR_ANY) | |
2288 | || (p.family == AF_INET6 | |
2289 | && memcmp(&p.u.prefix6, &zero.u.prefix6, | |
2290 | sizeof(struct in6_addr)) | |
2291 | == 0)) | |
2292 | return; | |
2293 | ||
98a3fb0a SM |
2294 | zsend_router_id_update(client, afi, &p, zvrf_id(zvrf)); |
2295 | ||
2296 | stream_failure: | |
2297 | return; | |
bf094f69 QY |
2298 | } |
2299 | ||
2300 | /* Unregister zebra server router-id information. */ | |
2301 | static void zread_router_id_delete(ZAPI_HANDLER_ARGS) | |
2302 | { | |
98a3fb0a SM |
2303 | afi_t afi; |
2304 | ||
2305 | STREAM_GETW(msg, afi); | |
2306 | ||
2307 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
2308 | zlog_warn( | |
2309 | "Invalid AFI %u while unregistering from router ID notifications", | |
2310 | afi); | |
2311 | goto stream_failure; | |
2312 | } | |
2313 | ||
2314 | vrf_bitmap_unset(client->ridinfo[afi], zvrf_id(zvrf)); | |
2315 | ||
2316 | stream_failure: | |
2317 | return; | |
bf094f69 QY |
2318 | } |
2319 | ||
2320 | static void zsend_capabilities(struct zserv *client, struct zebra_vrf *zvrf) | |
2321 | { | |
2322 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2323 | ||
2324 | zclient_create_header(s, ZEBRA_CAPABILITIES, zvrf->vrf->vrf_id); | |
bb6b7f79 | 2325 | stream_putl(s, vrf_get_backend()); |
bf094f69 | 2326 | stream_putc(s, mpls_enabled); |
b3f2b590 | 2327 | stream_putl(s, zrouter.multipath_num); |
02c0866d | 2328 | stream_putc(s, zebra_mlag_get_role()); |
bf094f69 QY |
2329 | |
2330 | stream_putw_at(s, 0, stream_get_endp(s)); | |
21ccc0cf | 2331 | zserv_send_message(client, s); |
bf094f69 QY |
2332 | } |
2333 | ||
b120fe3b DS |
2334 | void zsend_capabilities_all_clients(void) |
2335 | { | |
2336 | struct listnode *node, *nnode; | |
2337 | struct zebra_vrf *zvrf; | |
2338 | struct zserv *client; | |
2339 | ||
9a7d1e74 | 2340 | zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); |
b120fe3b | 2341 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
17da84a4 KS |
2342 | /* Do not send unsolicited messages to synchronous clients. */ |
2343 | if (client->synchronous) | |
2344 | continue; | |
2345 | ||
b120fe3b DS |
2346 | zsend_capabilities(client, zvrf); |
2347 | } | |
2348 | } | |
2349 | ||
bf094f69 QY |
2350 | /* Tie up route-type and client->sock */ |
2351 | static void zread_hello(ZAPI_HANDLER_ARGS) | |
2352 | { | |
2353 | /* type of protocol (lib/zebra.h) */ | |
2354 | uint8_t proto; | |
2355 | unsigned short instance; | |
2356 | uint8_t notify; | |
17da84a4 | 2357 | uint8_t synchronous; |
4e0b5b31 | 2358 | uint32_t session_id; |
bf094f69 QY |
2359 | |
2360 | STREAM_GETC(msg, proto); | |
2361 | STREAM_GETW(msg, instance); | |
4e0b5b31 | 2362 | STREAM_GETL(msg, session_id); |
bf094f69 | 2363 | STREAM_GETC(msg, notify); |
17da84a4 | 2364 | STREAM_GETC(msg, synchronous); |
bf094f69 QY |
2365 | if (notify) |
2366 | client->notify_owner = true; | |
2367 | ||
17da84a4 KS |
2368 | if (synchronous) |
2369 | client->synchronous = true; | |
2370 | ||
bf094f69 | 2371 | /* accept only dynamic routing protocols */ |
f23cbcda | 2372 | if ((proto < ZEBRA_ROUTE_MAX) && (proto > ZEBRA_ROUTE_CONNECT)) { |
bf094f69 QY |
2373 | zlog_notice( |
2374 | "client %d says hello and bids fair to announce only %s routes vrf=%u", | |
2375 | client->sock, zebra_route_string(proto), | |
2376 | zvrf->vrf->vrf_id); | |
2377 | if (instance) | |
2378 | zlog_notice("client protocol instance %d", instance); | |
2379 | ||
2380 | client->proto = proto; | |
2381 | client->instance = instance; | |
4e0b5b31 | 2382 | client->session_id = session_id; |
6f4aee61 S |
2383 | |
2384 | /* Graceful restart processing for client connect */ | |
2385 | zebra_gr_client_reconnect(client); | |
bf094f69 QY |
2386 | } |
2387 | ||
17da84a4 KS |
2388 | if (!client->synchronous) { |
2389 | zsend_capabilities(client, zvrf); | |
2390 | zebra_vrf_update_all(client); | |
2391 | } | |
bf094f69 QY |
2392 | stream_failure: |
2393 | return; | |
2394 | } | |
2395 | ||
2396 | /* Unregister all information in a VRF. */ | |
2397 | static void zread_vrf_unregister(ZAPI_HANDLER_ARGS) | |
2398 | { | |
2399 | int i; | |
2400 | afi_t afi; | |
2401 | ||
49db7a7b | 2402 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
bf094f69 QY |
2403 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
2404 | vrf_bitmap_unset(client->redist[afi][i], zvrf_id(zvrf)); | |
49db7a7b | 2405 | vrf_bitmap_unset(client->redist_default[afi], zvrf_id(zvrf)); |
98a3fb0a | 2406 | vrf_bitmap_unset(client->ridinfo[afi], zvrf_id(zvrf)); |
7723e8d3 | 2407 | vrf_bitmap_unset(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); |
49db7a7b | 2408 | } |
bf094f69 QY |
2409 | } |
2410 | ||
ff8d3c2d MS |
2411 | /* |
2412 | * Validate incoming zapi mpls lsp / labels message | |
2413 | */ | |
2414 | static int zapi_labels_validate(const struct zapi_labels *zl) | |
2415 | { | |
2416 | int ret = -1; | |
2417 | int i, j, idx; | |
2418 | uint32_t bits[8]; | |
2419 | uint32_t ival; | |
2420 | const struct zapi_nexthop *znh; | |
2421 | ||
2422 | /* Validate backup info: no duplicates for a single primary */ | |
2423 | if (zl->backup_nexthop_num == 0) { | |
2424 | ret = 0; | |
2425 | goto done; | |
2426 | } | |
2427 | ||
2428 | for (j = 0; j < zl->nexthop_num; j++) { | |
2429 | znh = &zl->nexthops[j]; | |
2430 | ||
2431 | memset(bits, 0, sizeof(bits)); | |
2432 | ||
2433 | for (i = 0; i < znh->backup_num; i++) { | |
2434 | idx = znh->backup_idx[i] / 32; | |
2435 | ||
2436 | ival = 1 << znh->backup_idx[i] % 32; | |
2437 | ||
2438 | /* Check whether value is already used */ | |
2439 | if (ival & bits[idx]) { | |
2440 | /* Fail */ | |
2441 | ||
2442 | if (IS_ZEBRA_DEBUG_RECV) | |
2443 | zlog_debug("%s: invalid zapi mpls message: duplicate backup nexthop index %d", | |
2444 | __func__, | |
2445 | znh->backup_idx[i]); | |
2446 | goto done; | |
2447 | } | |
2448 | ||
2449 | /* Mark index value */ | |
2450 | bits[idx] |= ival; | |
2451 | } | |
2452 | } | |
2453 | ||
2454 | ret = 0; | |
2455 | ||
2456 | done: | |
2457 | ||
2458 | return ret; | |
2459 | } | |
2460 | ||
ea6b290b RW |
2461 | /* |
2462 | * Handle request to create an MPLS LSP. | |
2463 | * | |
2464 | * A single message can fully specify an LSP with multiple nexthops. | |
2465 | * | |
2466 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
2467 | * updated to use the received label(s). | |
2468 | */ | |
2469 | static void zread_mpls_labels_add(ZAPI_HANDLER_ARGS) | |
bf094f69 QY |
2470 | { |
2471 | struct stream *s; | |
bad6b0e7 | 2472 | struct zapi_labels zl; |
bf094f69 QY |
2473 | |
2474 | /* Get input stream. */ | |
2475 | s = msg; | |
bad6b0e7 RW |
2476 | if (zapi_labels_decode(s, &zl) < 0) { |
2477 | if (IS_ZEBRA_DEBUG_RECV) | |
2478 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2479 | __func__); |
bf094f69 QY |
2480 | return; |
2481 | } | |
bf094f69 | 2482 | |
bf094f69 QY |
2483 | if (!mpls_enabled) |
2484 | return; | |
2485 | ||
ff8d3c2d MS |
2486 | /* Validate; will debug on failure */ |
2487 | if (zapi_labels_validate(&zl) < 0) | |
2488 | return; | |
2489 | ||
1548fbbc | 2490 | mpls_zapi_labels_process(true, zvrf, &zl); |
ea6b290b RW |
2491 | } |
2492 | ||
2493 | /* | |
2494 | * Handle request to delete an MPLS LSP. | |
2495 | * | |
2496 | * An LSP is identified by its type and local label. When the received message | |
2497 | * doesn't contain any nexthop, the whole LSP is deleted. Otherwise, only the | |
2498 | * listed LSP nexthops (aka NHLFEs) are deleted. | |
2499 | * | |
2500 | * When the optional ZAPI_LABELS_FTN flag is set, the labels of the specified | |
2501 | * FEC (route) nexthops are deleted. | |
2502 | */ | |
2503 | static void zread_mpls_labels_delete(ZAPI_HANDLER_ARGS) | |
2504 | { | |
2505 | struct stream *s; | |
2506 | struct zapi_labels zl; | |
2507 | ||
2508 | /* Get input stream. */ | |
2509 | s = msg; | |
2510 | if (zapi_labels_decode(s, &zl) < 0) { | |
2511 | if (IS_ZEBRA_DEBUG_RECV) | |
2512 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2513 | __func__); |
ea6b290b RW |
2514 | return; |
2515 | } | |
2516 | ||
2517 | if (!mpls_enabled) | |
2518 | return; | |
2519 | ||
2520 | if (zl.nexthop_num > 0) { | |
1548fbbc | 2521 | mpls_zapi_labels_process(false /*delete*/, zvrf, &zl); |
ea6b290b RW |
2522 | } else { |
2523 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); | |
2524 | ||
b3c49d0e | 2525 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) |
ea6b290b RW |
2526 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, |
2527 | zl.route.type, zl.route.instance); | |
2528 | } | |
2529 | } | |
2530 | ||
2531 | /* | |
2532 | * Handle request to add an MPLS LSP or change an existing one. | |
2533 | * | |
2534 | * A single message can fully specify an LSP with multiple nexthops. | |
2535 | * | |
2536 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
2537 | * updated to use the received label(s). | |
2538 | * | |
2539 | * NOTE: zebra will use route replace semantics (make-before-break) to update | |
2540 | * the LSP in the forwarding plane if that's supported by the underlying | |
2541 | * platform. | |
2542 | */ | |
2543 | static void zread_mpls_labels_replace(ZAPI_HANDLER_ARGS) | |
2544 | { | |
2545 | struct stream *s; | |
2546 | struct zapi_labels zl; | |
2547 | ||
2548 | /* Get input stream. */ | |
2549 | s = msg; | |
2550 | if (zapi_labels_decode(s, &zl) < 0) { | |
2551 | if (IS_ZEBRA_DEBUG_RECV) | |
2552 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
15569c58 | 2553 | __func__); |
ea6b290b RW |
2554 | return; |
2555 | } | |
2556 | ||
2557 | if (!mpls_enabled) | |
2558 | return; | |
2559 | ||
ff8d3c2d MS |
2560 | /* Validate; will debug on failure */ |
2561 | if (zapi_labels_validate(&zl) < 0) | |
2562 | return; | |
2563 | ||
f2e7f4eb MS |
2564 | /* This removes everything, then re-adds from the client's |
2565 | * zapi message. Since the LSP will be processed later, on this | |
2566 | * this same pthread, all of the changes will 'appear' at once. | |
2567 | */ | |
ea6b290b RW |
2568 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); |
2569 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) | |
2570 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, | |
2571 | zl.route.type, zl.route.instance); | |
2572 | ||
f2e7f4eb | 2573 | mpls_zapi_labels_process(true, zvrf, &zl); |
bf094f69 QY |
2574 | } |
2575 | ||
31f937fb SM |
2576 | static void zread_sr_policy_set(ZAPI_HANDLER_ARGS) |
2577 | { | |
2578 | struct stream *s; | |
2579 | struct zapi_sr_policy zp; | |
2580 | struct zapi_srte_tunnel *zt; | |
2581 | struct zebra_sr_policy *policy; | |
2582 | ||
2583 | /* Get input stream. */ | |
2584 | s = msg; | |
2585 | if (zapi_sr_policy_decode(s, &zp) < 0) { | |
2586 | if (IS_ZEBRA_DEBUG_RECV) | |
2587 | zlog_debug("%s: Unable to decode zapi_sr_policy sent", | |
7d7be47e | 2588 | __func__); |
31f937fb SM |
2589 | return; |
2590 | } | |
2591 | zt = &zp.segment_list; | |
2592 | if (zt->label_num < 1) { | |
2593 | if (IS_ZEBRA_DEBUG_RECV) | |
2594 | zlog_debug( | |
2595 | "%s: SR-TE tunnel must contain at least one label", | |
7d7be47e | 2596 | __func__); |
31f937fb SM |
2597 | return; |
2598 | } | |
2599 | ||
2600 | if (!mpls_enabled) | |
2601 | return; | |
2602 | ||
2603 | policy = zebra_sr_policy_find(zp.color, &zp.endpoint); | |
6082fb42 | 2604 | if (!policy) { |
31f937fb | 2605 | policy = zebra_sr_policy_add(zp.color, &zp.endpoint, zp.name); |
6082fb42 PG |
2606 | policy->sock = client->sock; |
2607 | } | |
31f937fb SM |
2608 | /* TODO: per-VRF list of SR-TE policies. */ |
2609 | policy->zvrf = zvrf; | |
2610 | ||
2611 | zebra_sr_policy_validate(policy, &zp.segment_list); | |
2612 | } | |
2613 | ||
2614 | static void zread_sr_policy_delete(ZAPI_HANDLER_ARGS) | |
2615 | { | |
2616 | struct stream *s; | |
2617 | struct zapi_sr_policy zp; | |
2618 | struct zebra_sr_policy *policy; | |
2619 | ||
2620 | /* Get input stream. */ | |
2621 | s = msg; | |
2622 | if (zapi_sr_policy_decode(s, &zp) < 0) { | |
2623 | if (IS_ZEBRA_DEBUG_RECV) | |
2624 | zlog_debug("%s: Unable to decode zapi_sr_policy sent", | |
7d7be47e | 2625 | __func__); |
31f937fb SM |
2626 | return; |
2627 | } | |
2628 | ||
2629 | if (!mpls_enabled) | |
2630 | return; | |
2631 | ||
2632 | policy = zebra_sr_policy_find(zp.color, &zp.endpoint); | |
2633 | if (!policy) { | |
2634 | if (IS_ZEBRA_DEBUG_RECV) | |
7d7be47e | 2635 | zlog_debug("%s: Unable to find SR-TE policy", __func__); |
31f937fb SM |
2636 | return; |
2637 | } | |
2638 | ||
2639 | zebra_sr_policy_del(policy); | |
2640 | } | |
2641 | ||
2642 | int zsend_sr_policy_notify_status(uint32_t color, struct ipaddr *endpoint, | |
2643 | char *name, int status) | |
2644 | { | |
2645 | struct zserv *client; | |
2646 | struct stream *s; | |
2647 | ||
2648 | client = zserv_find_client(ZEBRA_ROUTE_SRTE, 0); | |
2649 | if (!client) { | |
2650 | if (IS_ZEBRA_DEBUG_PACKET) | |
2651 | zlog_debug( | |
2652 | "Not notifying pathd about policy %s" | |
2653 | " status change to %d", | |
2654 | name, status); | |
2655 | return 0; | |
2656 | } | |
2657 | ||
2658 | if (IS_ZEBRA_DEBUG_PACKET) | |
2659 | zlog_debug( | |
2660 | "Notifying pathd about policy %s status change" | |
2661 | " to %d", | |
2662 | name, status); | |
2663 | ||
2664 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2665 | stream_reset(s); | |
2666 | ||
2667 | zclient_create_header(s, ZEBRA_SR_POLICY_NOTIFY_STATUS, VRF_DEFAULT); | |
2668 | stream_putl(s, color); | |
2669 | stream_put_ipaddr(s, endpoint); | |
2670 | stream_write(s, name, SRTE_POLICY_NAME_MAX_LENGTH); | |
2671 | stream_putl(s, status); | |
2672 | ||
2673 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2674 | ||
2675 | return zserv_send_message(client, s); | |
2676 | } | |
2677 | ||
581e797e KS |
2678 | /* Send client close notify to client */ |
2679 | int zsend_client_close_notify(struct zserv *client, struct zserv *closed_client) | |
2680 | { | |
2681 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
2682 | ||
2683 | zclient_create_header(s, ZEBRA_CLIENT_CLOSE_NOTIFY, VRF_DEFAULT); | |
2684 | ||
2685 | stream_putc(s, closed_client->proto); | |
2686 | stream_putw(s, closed_client->instance); | |
2687 | stream_putl(s, closed_client->session_id); | |
2688 | ||
2689 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2690 | ||
2691 | return zserv_send_message(client, s); | |
2692 | } | |
2693 | ||
6e68a084 HS |
2694 | int zsend_srv6_manager_get_locator_chunk_response(struct zserv *client, |
2695 | vrf_id_t vrf_id, | |
2696 | struct srv6_locator *loc) | |
2697 | { | |
1bda3e62 | 2698 | struct srv6_locator_chunk chunk = {}; |
6e68a084 HS |
2699 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2700 | ||
ac6a9479 HS |
2701 | strlcpy(chunk.locator_name, loc->name, sizeof(chunk.locator_name)); |
2702 | chunk.prefix = loc->prefix; | |
2703 | chunk.block_bits_length = loc->block_bits_length; | |
2704 | chunk.node_bits_length = loc->node_bits_length; | |
2705 | chunk.function_bits_length = loc->function_bits_length; | |
2706 | chunk.argument_bits_length = loc->argument_bits_length; | |
2707 | chunk.keep = 0; | |
2708 | chunk.proto = client->proto; | |
2709 | chunk.instance = client->instance; | |
d537287a | 2710 | chunk.flags = loc->flags; |
6e68a084 | 2711 | |
ac6a9479 HS |
2712 | zclient_create_header(s, ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK, vrf_id); |
2713 | zapi_srv6_locator_chunk_encode(s, &chunk); | |
6e68a084 | 2714 | stream_putw_at(s, 0, stream_get_endp(s)); |
6e68a084 HS |
2715 | return zserv_send_message(client, s); |
2716 | } | |
2717 | ||
bf094f69 QY |
2718 | /* Send response to a table manager connect request to client */ |
2719 | static void zread_table_manager_connect(struct zserv *client, | |
2720 | struct stream *msg, vrf_id_t vrf_id) | |
2721 | { | |
2722 | struct stream *s; | |
2723 | uint8_t proto; | |
2724 | uint16_t instance; | |
c479e756 | 2725 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
bf094f69 QY |
2726 | |
2727 | s = msg; | |
2728 | ||
2729 | /* Get data. */ | |
2730 | STREAM_GETC(s, proto); | |
2731 | STREAM_GETW(s, instance); | |
2732 | ||
2733 | /* accept only dynamic routing protocols */ | |
2734 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 2735 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
2736 | "client %d has wrong protocol %s", client->sock, |
2737 | zebra_route_string(proto)); | |
bf094f69 QY |
2738 | zsend_table_manager_connect_response(client, vrf_id, 1); |
2739 | return; | |
2740 | } | |
c479e756 DS |
2741 | zlog_notice("client %d with vrf %s(%u) instance %u connected as %s", |
2742 | client->sock, VRF_LOGNAME(vrf), vrf_id, instance, | |
2743 | zebra_route_string(proto)); | |
bf094f69 QY |
2744 | client->proto = proto; |
2745 | client->instance = instance; | |
2746 | ||
2747 | /* | |
2748 | * Release previous labels of same protocol and instance. | |
2749 | * This is done in case it restarted from an unexpected shutdown. | |
2750 | */ | |
453844ab | 2751 | release_daemon_table_chunks(client); |
bf094f69 QY |
2752 | |
2753 | zsend_table_manager_connect_response(client, vrf_id, 0); | |
2754 | ||
2755 | stream_failure: | |
2756 | return; | |
2757 | } | |
2758 | ||
2759 | static void zread_label_manager_connect(struct zserv *client, | |
2760 | struct stream *msg, vrf_id_t vrf_id) | |
2761 | { | |
2762 | struct stream *s; | |
2763 | /* type of protocol (lib/zebra.h) */ | |
2764 | uint8_t proto; | |
2765 | unsigned short instance; | |
2766 | ||
2767 | /* Get input stream. */ | |
2768 | s = msg; | |
2769 | ||
2770 | /* Get data. */ | |
2771 | STREAM_GETC(s, proto); | |
2772 | STREAM_GETW(s, instance); | |
2773 | ||
2774 | /* accept only dynamic routing protocols */ | |
2775 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 2776 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
2777 | "client %d has wrong protocol %s", client->sock, |
2778 | zebra_route_string(proto)); | |
e11d7c96 | 2779 | zsend_label_manager_connect_response(client, vrf_id, 1); |
bf094f69 QY |
2780 | return; |
2781 | } | |
e11d7c96 EDP |
2782 | |
2783 | /* recall proto and instance in this socket */ | |
bf094f69 QY |
2784 | client->proto = proto; |
2785 | client->instance = instance; | |
2786 | ||
e11d7c96 | 2787 | /* call hook for connection using wrapper */ |
4cebdb9b | 2788 | lm_client_connect_call(client, vrf_id); |
bf094f69 QY |
2789 | |
2790 | stream_failure: | |
2791 | return; | |
2792 | } | |
2793 | ||
2794 | static void zread_get_label_chunk(struct zserv *client, struct stream *msg, | |
2795 | vrf_id_t vrf_id) | |
2796 | { | |
2797 | struct stream *s; | |
2798 | uint8_t keep; | |
0e3b6a92 | 2799 | uint32_t size, base; |
e11d7c96 | 2800 | struct label_manager_chunk *lmc = NULL; |
5dffb0e9 FR |
2801 | uint8_t proto; |
2802 | unsigned short instance; | |
bf094f69 QY |
2803 | |
2804 | /* Get input stream. */ | |
2805 | s = msg; | |
2806 | ||
2807 | /* Get data. */ | |
5dffb0e9 FR |
2808 | STREAM_GETC(s, proto); |
2809 | STREAM_GETW(s, instance); | |
bf094f69 QY |
2810 | STREAM_GETC(s, keep); |
2811 | STREAM_GETL(s, size); | |
0e3b6a92 | 2812 | STREAM_GETL(s, base); |
bf094f69 | 2813 | |
4cebdb9b MS |
2814 | assert(proto == client->proto && instance == client->instance); |
2815 | ||
e11d7c96 | 2816 | /* call hook to get a chunk using wrapper */ |
4cebdb9b | 2817 | lm_get_chunk_call(&lmc, client, keep, size, base, vrf_id); |
bf094f69 | 2818 | |
bf094f69 QY |
2819 | stream_failure: |
2820 | return; | |
2821 | } | |
2822 | ||
2823 | static void zread_release_label_chunk(struct zserv *client, struct stream *msg) | |
2824 | { | |
2825 | struct stream *s; | |
2826 | uint32_t start, end; | |
5dffb0e9 FR |
2827 | uint8_t proto; |
2828 | unsigned short instance; | |
bf094f69 QY |
2829 | |
2830 | /* Get input stream. */ | |
2831 | s = msg; | |
2832 | ||
2833 | /* Get data. */ | |
5dffb0e9 FR |
2834 | STREAM_GETC(s, proto); |
2835 | STREAM_GETW(s, instance); | |
bf094f69 QY |
2836 | STREAM_GETL(s, start); |
2837 | STREAM_GETL(s, end); | |
2838 | ||
4cebdb9b MS |
2839 | assert(proto == client->proto && instance == client->instance); |
2840 | ||
e11d7c96 | 2841 | /* call hook to release a chunk using wrapper */ |
4cebdb9b | 2842 | lm_release_chunk_call(client, start, end); |
bf094f69 QY |
2843 | |
2844 | stream_failure: | |
2845 | return; | |
2846 | } | |
e11d7c96 | 2847 | |
bf094f69 QY |
2848 | static void zread_label_manager_request(ZAPI_HANDLER_ARGS) |
2849 | { | |
e11d7c96 EDP |
2850 | if (hdr->command == ZEBRA_LABEL_MANAGER_CONNECT |
2851 | || hdr->command == ZEBRA_LABEL_MANAGER_CONNECT_ASYNC) | |
2852 | zread_label_manager_connect(client, msg, zvrf_id(zvrf)); | |
bf094f69 | 2853 | else { |
e11d7c96 EDP |
2854 | if (hdr->command == ZEBRA_GET_LABEL_CHUNK) |
2855 | zread_get_label_chunk(client, msg, zvrf_id(zvrf)); | |
2856 | else if (hdr->command == ZEBRA_RELEASE_LABEL_CHUNK) | |
2857 | zread_release_label_chunk(client, msg); | |
bf094f69 QY |
2858 | } |
2859 | } | |
2860 | ||
2861 | static void zread_get_table_chunk(struct zserv *client, struct stream *msg, | |
42d4b30e | 2862 | struct zebra_vrf *zvrf) |
bf094f69 QY |
2863 | { |
2864 | struct stream *s; | |
2865 | uint32_t size; | |
2866 | struct table_manager_chunk *tmc; | |
2867 | ||
2868 | /* Get input stream. */ | |
2869 | s = msg; | |
2870 | ||
2871 | /* Get data. */ | |
2872 | STREAM_GETL(s, size); | |
2873 | ||
42d4b30e | 2874 | tmc = assign_table_chunk(client->proto, client->instance, size, zvrf); |
bf094f69 | 2875 | if (!tmc) |
e914ccbe | 2876 | flog_err(EC_ZEBRA_TM_CANNOT_ASSIGN_CHUNK, |
1c50c1c0 QY |
2877 | "%s: Unable to assign Table Chunk of size %u", |
2878 | __func__, size); | |
bf094f69 QY |
2879 | else |
2880 | zlog_debug("Assigned Table Chunk %u - %u", tmc->start, | |
2881 | tmc->end); | |
2882 | /* send response back */ | |
42d4b30e | 2883 | zsend_assign_table_chunk_response(client, zvrf_id(zvrf), tmc); |
bf094f69 QY |
2884 | |
2885 | stream_failure: | |
2886 | return; | |
2887 | } | |
2888 | ||
42d4b30e PG |
2889 | static void zread_release_table_chunk(struct zserv *client, struct stream *msg, |
2890 | struct zebra_vrf *zvrf) | |
bf094f69 QY |
2891 | { |
2892 | struct stream *s; | |
2893 | uint32_t start, end; | |
2894 | ||
2895 | /* Get input stream. */ | |
2896 | s = msg; | |
2897 | ||
2898 | /* Get data. */ | |
2899 | STREAM_GETL(s, start); | |
2900 | STREAM_GETL(s, end); | |
2901 | ||
42d4b30e | 2902 | release_table_chunk(client->proto, client->instance, start, end, zvrf); |
bf094f69 QY |
2903 | |
2904 | stream_failure: | |
2905 | return; | |
2906 | } | |
2907 | ||
2908 | static void zread_table_manager_request(ZAPI_HANDLER_ARGS) | |
2909 | { | |
16bd37d6 | 2910 | /* to avoid sending other messages like ZEBRA_INTERFACE_UP */ |
bf094f69 QY |
2911 | if (hdr->command == ZEBRA_TABLE_MANAGER_CONNECT) |
2912 | zread_table_manager_connect(client, msg, zvrf_id(zvrf)); | |
2913 | else { | |
2914 | /* Sanity: don't allow 'unidentified' requests */ | |
2915 | if (!client->proto) { | |
af4c2728 | 2916 | flog_err( |
e914ccbe | 2917 | EC_ZEBRA_TM_ALIENS, |
16bd37d6 | 2918 | "Got SRv6 request from an unidentified client"); |
bf094f69 QY |
2919 | return; |
2920 | } | |
2921 | if (hdr->command == ZEBRA_GET_TABLE_CHUNK) | |
42d4b30e | 2922 | zread_get_table_chunk(client, msg, zvrf); |
bf094f69 | 2923 | else if (hdr->command == ZEBRA_RELEASE_TABLE_CHUNK) |
42d4b30e | 2924 | zread_release_table_chunk(client, msg, zvrf); |
bf094f69 QY |
2925 | } |
2926 | } | |
2927 | ||
6e68a084 HS |
2928 | static void zread_srv6_manager_get_locator_chunk(struct zserv *client, |
2929 | struct stream *msg, | |
2930 | vrf_id_t vrf_id) | |
2931 | { | |
2932 | struct stream *s = msg; | |
6e68a084 HS |
2933 | uint16_t len; |
2934 | char locator_name[SRV6_LOCNAME_SIZE] = {0}; | |
2935 | ||
2936 | /* Get data. */ | |
6e68a084 HS |
2937 | STREAM_GETW(s, len); |
2938 | STREAM_GET(locator_name, s, len); | |
2939 | ||
6e68a084 HS |
2940 | /* call hook to get a chunk using wrapper */ |
2941 | struct srv6_locator *loc = NULL; | |
2942 | srv6_manager_get_locator_chunk_call(&loc, client, locator_name, vrf_id); | |
2943 | ||
2944 | stream_failure: | |
2945 | return; | |
2946 | } | |
2947 | ||
2948 | static void zread_srv6_manager_release_locator_chunk(struct zserv *client, | |
2949 | struct stream *msg, | |
2950 | vrf_id_t vrf_id) | |
2951 | { | |
2952 | struct stream *s = msg; | |
6e68a084 HS |
2953 | uint16_t len; |
2954 | char locator_name[SRV6_LOCNAME_SIZE] = {0}; | |
2955 | ||
2956 | /* Get data. */ | |
6e68a084 HS |
2957 | STREAM_GETW(s, len); |
2958 | STREAM_GET(locator_name, s, len); | |
2959 | ||
6e68a084 HS |
2960 | /* call hook to release a chunk using wrapper */ |
2961 | srv6_manager_release_locator_chunk_call(client, locator_name, vrf_id); | |
2962 | ||
2963 | stream_failure: | |
2964 | return; | |
2965 | } | |
2966 | ||
2967 | static void zread_srv6_manager_request(ZAPI_HANDLER_ARGS) | |
2968 | { | |
2969 | switch (hdr->command) { | |
6e68a084 HS |
2970 | case ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK: |
2971 | zread_srv6_manager_get_locator_chunk(client, msg, | |
2972 | zvrf_id(zvrf)); | |
2973 | break; | |
2974 | case ZEBRA_SRV6_MANAGER_RELEASE_LOCATOR_CHUNK: | |
2975 | zread_srv6_manager_release_locator_chunk(client, msg, | |
2976 | zvrf_id(zvrf)); | |
2977 | break; | |
2978 | default: | |
9f900cda | 2979 | zlog_err("%s: unknown SRv6 Manager command", __func__); |
6e68a084 HS |
2980 | break; |
2981 | } | |
2982 | } | |
2983 | ||
bf094f69 QY |
2984 | static void zread_pseudowire(ZAPI_HANDLER_ARGS) |
2985 | { | |
2986 | struct stream *s; | |
3682bd90 | 2987 | char ifname[INTERFACE_NAMSIZ]; |
bf094f69 QY |
2988 | ifindex_t ifindex; |
2989 | int type; | |
2990 | int af; | |
2991 | union g_addr nexthop; | |
2992 | uint32_t local_label; | |
2993 | uint32_t remote_label; | |
2994 | uint8_t flags; | |
2995 | union pw_protocol_fields data; | |
2996 | uint8_t protocol; | |
2997 | struct zebra_pw *pw; | |
2998 | ||
2999 | /* Get input stream. */ | |
3000 | s = msg; | |
3001 | ||
3002 | /* Get data. */ | |
3682bd90 RZ |
3003 | STREAM_GET(ifname, s, INTERFACE_NAMSIZ); |
3004 | ifname[INTERFACE_NAMSIZ - 1] = '\0'; | |
bf094f69 QY |
3005 | STREAM_GETL(s, ifindex); |
3006 | STREAM_GETL(s, type); | |
3007 | STREAM_GETL(s, af); | |
3008 | switch (af) { | |
3009 | case AF_INET: | |
3010 | STREAM_GET(&nexthop.ipv4.s_addr, s, IPV4_MAX_BYTELEN); | |
3011 | break; | |
3012 | case AF_INET6: | |
3013 | STREAM_GET(&nexthop.ipv6, s, 16); | |
3014 | break; | |
3015 | default: | |
3016 | return; | |
3017 | } | |
3018 | STREAM_GETL(s, local_label); | |
3019 | STREAM_GETL(s, remote_label); | |
3020 | STREAM_GETC(s, flags); | |
3021 | STREAM_GET(&data, s, sizeof(data)); | |
3022 | protocol = client->proto; | |
3023 | ||
3024 | pw = zebra_pw_find(zvrf, ifname); | |
3025 | switch (hdr->command) { | |
3026 | case ZEBRA_PW_ADD: | |
3027 | if (pw) { | |
e914ccbe | 3028 | flog_warn(EC_ZEBRA_PSEUDOWIRE_EXISTS, |
9df414fe | 3029 | "%s: pseudowire %s already exists [%s]", |
bf094f69 QY |
3030 | __func__, ifname, |
3031 | zserv_command_string(hdr->command)); | |
3032 | return; | |
3033 | } | |
3034 | ||
3035 | zebra_pw_add(zvrf, ifname, protocol, client); | |
3036 | break; | |
3037 | case ZEBRA_PW_DELETE: | |
3038 | if (!pw) { | |
e914ccbe | 3039 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 3040 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
3041 | ifname, zserv_command_string(hdr->command)); |
3042 | return; | |
3043 | } | |
3044 | ||
3045 | zebra_pw_del(zvrf, pw); | |
3046 | break; | |
3047 | case ZEBRA_PW_SET: | |
3048 | case ZEBRA_PW_UNSET: | |
3049 | if (!pw) { | |
e914ccbe | 3050 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 3051 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
3052 | ifname, zserv_command_string(hdr->command)); |
3053 | return; | |
3054 | } | |
3055 | ||
3056 | switch (hdr->command) { | |
3057 | case ZEBRA_PW_SET: | |
3058 | pw->enabled = 1; | |
3059 | break; | |
3060 | case ZEBRA_PW_UNSET: | |
3061 | pw->enabled = 0; | |
3062 | break; | |
3063 | } | |
3064 | ||
3065 | zebra_pw_change(pw, ifindex, type, af, &nexthop, local_label, | |
3066 | remote_label, flags, &data); | |
3067 | break; | |
3068 | } | |
3069 | ||
3070 | stream_failure: | |
3071 | return; | |
3072 | } | |
3073 | ||
3074 | static void zread_interface_set_master(ZAPI_HANDLER_ARGS) | |
3075 | { | |
3076 | struct interface *master; | |
3077 | struct interface *slave; | |
3078 | struct stream *s = msg; | |
3079 | int ifindex; | |
3080 | vrf_id_t vrf_id; | |
3081 | ||
3082 | STREAM_GETL(s, vrf_id); | |
3083 | STREAM_GETL(s, ifindex); | |
3084 | master = if_lookup_by_index(ifindex, vrf_id); | |
3085 | ||
3086 | STREAM_GETL(s, vrf_id); | |
3087 | STREAM_GETL(s, ifindex); | |
3088 | slave = if_lookup_by_index(ifindex, vrf_id); | |
3089 | ||
3090 | if (!master || !slave) | |
3091 | return; | |
3092 | ||
3093 | kernel_interface_set_master(master, slave); | |
3094 | ||
3095 | stream_failure: | |
3096 | return; | |
3097 | } | |
3098 | ||
3099 | ||
3100 | static void zread_vrf_label(ZAPI_HANDLER_ARGS) | |
3101 | { | |
3102 | struct interface *ifp; | |
3103 | mpls_label_t nlabel; | |
3104 | afi_t afi; | |
3105 | struct stream *s; | |
3106 | struct zebra_vrf *def_zvrf; | |
3107 | enum lsp_types_t ltype; | |
3108 | ||
3109 | s = msg; | |
3110 | STREAM_GETL(s, nlabel); | |
3111 | STREAM_GETC(s, afi); | |
663d3a91 QY |
3112 | |
3113 | if (!(IS_VALID_AFI(afi))) { | |
3114 | zlog_warn("Invalid AFI for VRF label: %u", afi); | |
3115 | return; | |
3116 | } | |
3117 | ||
bf094f69 QY |
3118 | if (nlabel == zvrf->label[afi]) { |
3119 | /* | |
3120 | * Nothing to do here move along | |
3121 | */ | |
3122 | return; | |
3123 | } | |
3124 | ||
3125 | STREAM_GETC(s, ltype); | |
3126 | ||
3127 | if (zvrf->vrf->vrf_id != VRF_DEFAULT) | |
a36898e7 | 3128 | ifp = if_lookup_by_name(zvrf->vrf->name, zvrf->vrf->vrf_id); |
bf094f69 | 3129 | else |
a36898e7 | 3130 | ifp = if_lookup_by_name("lo", VRF_DEFAULT); |
bf094f69 QY |
3131 | |
3132 | if (!ifp) { | |
3133 | zlog_debug("Unable to find specified Interface for %s", | |
3134 | zvrf->vrf->name); | |
3135 | return; | |
3136 | } | |
3137 | ||
3138 | def_zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
3139 | ||
3140 | if (zvrf->label[afi] != MPLS_LABEL_NONE) { | |
3141 | afi_t scrubber; | |
3142 | bool really_remove; | |
3143 | ||
3144 | really_remove = true; | |
3145 | for (scrubber = AFI_IP; scrubber < AFI_MAX; scrubber++) { | |
3146 | if (scrubber == afi) | |
3147 | continue; | |
3148 | ||
3149 | if (zvrf->label[scrubber] == MPLS_LABEL_NONE) | |
3150 | continue; | |
3151 | ||
3152 | if (zvrf->label[afi] == zvrf->label[scrubber]) { | |
3153 | really_remove = false; | |
3154 | break; | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | if (really_remove) | |
3159 | mpls_lsp_uninstall(def_zvrf, ltype, zvrf->label[afi], | |
3160 | NEXTHOP_TYPE_IFINDEX, NULL, | |
cc1b9746 | 3161 | ifp->ifindex, false /*backup*/); |
bf094f69 QY |
3162 | } |
3163 | ||
5065db0a RW |
3164 | if (nlabel != MPLS_LABEL_NONE) { |
3165 | mpls_label_t out_label = MPLS_LABEL_IMPLICIT_NULL; | |
3166 | mpls_lsp_install(def_zvrf, ltype, nlabel, 1, &out_label, | |
3167 | NEXTHOP_TYPE_IFINDEX, NULL, ifp->ifindex); | |
3168 | } | |
bf094f69 QY |
3169 | |
3170 | zvrf->label[afi] = nlabel; | |
06302ecb DS |
3171 | zvrf->label_proto[afi] = client->proto; |
3172 | ||
bf094f69 QY |
3173 | stream_failure: |
3174 | return; | |
3175 | } | |
3176 | ||
3177 | static inline void zread_rule(ZAPI_HANDLER_ARGS) | |
3178 | { | |
3179 | struct zebra_pbr_rule zpr; | |
3180 | struct stream *s; | |
3181 | uint32_t total, i; | |
58a1d249 | 3182 | char ifname[INTERFACE_NAMSIZ + 1] = {}; |
bf094f69 QY |
3183 | |
3184 | s = msg; | |
3185 | STREAM_GETL(s, total); | |
3186 | ||
3187 | for (i = 0; i < total; i++) { | |
3188 | memset(&zpr, 0, sizeof(zpr)); | |
3189 | ||
3190 | zpr.sock = client->sock; | |
3191 | zpr.rule.vrf_id = hdr->vrf_id; | |
3192 | STREAM_GETL(s, zpr.rule.seq); | |
3193 | STREAM_GETL(s, zpr.rule.priority); | |
3194 | STREAM_GETL(s, zpr.rule.unique); | |
f56697ef | 3195 | STREAM_GETC(s, zpr.rule.filter.ip_proto); |
bf094f69 QY |
3196 | STREAM_GETC(s, zpr.rule.filter.src_ip.family); |
3197 | STREAM_GETC(s, zpr.rule.filter.src_ip.prefixlen); | |
3198 | STREAM_GET(&zpr.rule.filter.src_ip.u.prefix, s, | |
3199 | prefix_blen(&zpr.rule.filter.src_ip)); | |
3200 | STREAM_GETW(s, zpr.rule.filter.src_port); | |
3201 | STREAM_GETC(s, zpr.rule.filter.dst_ip.family); | |
3202 | STREAM_GETC(s, zpr.rule.filter.dst_ip.prefixlen); | |
3203 | STREAM_GET(&zpr.rule.filter.dst_ip.u.prefix, s, | |
3204 | prefix_blen(&zpr.rule.filter.dst_ip)); | |
3205 | STREAM_GETW(s, zpr.rule.filter.dst_port); | |
01f23aff | 3206 | STREAM_GETC(s, zpr.rule.filter.dsfield); |
bf094f69 | 3207 | STREAM_GETL(s, zpr.rule.filter.fwmark); |
d70a31a3 EB |
3208 | |
3209 | STREAM_GETL(s, zpr.rule.action.queue_id); | |
3210 | STREAM_GETW(s, zpr.rule.action.vlan_id); | |
3211 | STREAM_GETW(s, zpr.rule.action.vlan_flags); | |
3212 | STREAM_GETW(s, zpr.rule.action.pcp); | |
3213 | ||
bf094f69 | 3214 | STREAM_GETL(s, zpr.rule.action.table); |
58a1d249 | 3215 | STREAM_GET(ifname, s, INTERFACE_NAMSIZ); |
bf094f69 | 3216 | |
58a1d249 DS |
3217 | strlcpy(zpr.ifname, ifname, sizeof(zpr.ifname)); |
3218 | strlcpy(zpr.rule.ifname, ifname, sizeof(zpr.rule.ifname)); | |
bf094f69 QY |
3219 | |
3220 | if (!is_default_prefix(&zpr.rule.filter.src_ip)) | |
3221 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_IP; | |
3222 | ||
3223 | if (!is_default_prefix(&zpr.rule.filter.dst_ip)) | |
3224 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_IP; | |
3225 | ||
3226 | if (zpr.rule.filter.src_port) | |
3227 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_PORT; | |
3228 | ||
3229 | if (zpr.rule.filter.dst_port) | |
3230 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_PORT; | |
3231 | ||
01f23aff WC |
3232 | if (zpr.rule.filter.dsfield) |
3233 | zpr.rule.filter.filter_bm |= PBR_FILTER_DSFIELD; | |
3234 | ||
f56697ef DS |
3235 | if (zpr.rule.filter.ip_proto) |
3236 | zpr.rule.filter.filter_bm |= PBR_FILTER_IP_PROTOCOL; | |
3237 | ||
bf094f69 QY |
3238 | if (zpr.rule.filter.fwmark) |
3239 | zpr.rule.filter.filter_bm |= PBR_FILTER_FWMARK; | |
3240 | ||
4719fd76 QY |
3241 | if (!(zpr.rule.filter.src_ip.family == AF_INET |
3242 | || zpr.rule.filter.src_ip.family == AF_INET6)) { | |
cc815be7 | 3243 | zlog_warn( |
6cde4b45 | 3244 | "Unsupported PBR source IP family: %s (%hhu)", |
cc815be7 QY |
3245 | family2str(zpr.rule.filter.src_ip.family), |
3246 | zpr.rule.filter.src_ip.family); | |
4719fd76 QY |
3247 | return; |
3248 | } | |
3249 | if (!(zpr.rule.filter.dst_ip.family == AF_INET | |
3250 | || zpr.rule.filter.dst_ip.family == AF_INET6)) { | |
cec72d49 | 3251 | zlog_warn( |
6cde4b45 | 3252 | "Unsupported PBR destination IP family: %s (%hhu)", |
cec72d49 DA |
3253 | family2str(zpr.rule.filter.dst_ip.family), |
3254 | zpr.rule.filter.dst_ip.family); | |
4719fd76 QY |
3255 | return; |
3256 | } | |
3257 | ||
3258 | ||
7f0ea8a4 | 3259 | zpr.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 | 3260 | if (hdr->command == ZEBRA_RULE_ADD) |
7f0ea8a4 | 3261 | zebra_pbr_add_rule(&zpr); |
bf094f69 | 3262 | else |
7f0ea8a4 | 3263 | zebra_pbr_del_rule(&zpr); |
bf094f69 QY |
3264 | } |
3265 | ||
3266 | stream_failure: | |
3267 | return; | |
3268 | } | |
3269 | ||
dfacea4a SY |
3270 | static inline void zread_tc_qdisc(ZAPI_HANDLER_ARGS) |
3271 | { | |
3272 | struct zebra_tc_qdisc qdisc; | |
3273 | struct stream *s; | |
3274 | uint32_t total, i; | |
3275 | ||
3276 | s = msg; | |
3277 | STREAM_GETL(s, total); | |
3278 | ||
3279 | for (i = 0; i < total; i++) { | |
3280 | memset(&qdisc, 0, sizeof(qdisc)); | |
3281 | ||
3282 | qdisc.sock = client->sock; | |
3283 | STREAM_GETL(s, qdisc.qdisc.ifindex); | |
3284 | STREAM_GETL(s, qdisc.qdisc.kind); | |
3285 | ||
3286 | if (hdr->command == ZEBRA_TC_QDISC_INSTALL) | |
3287 | zebra_tc_qdisc_install(&qdisc); | |
3288 | else | |
3289 | zebra_tc_qdisc_uninstall(&qdisc); | |
3290 | } | |
3291 | ||
3292 | stream_failure: | |
3293 | return; | |
3294 | } | |
3295 | ||
3296 | static inline void zread_tc_class(ZAPI_HANDLER_ARGS) | |
3297 | { | |
3298 | struct zebra_tc_class class; | |
3299 | struct stream *s; | |
3300 | uint32_t total, i; | |
3301 | ||
3302 | s = msg; | |
3303 | STREAM_GETL(s, total); | |
3304 | ||
3305 | for (i = 0; i < total; i++) { | |
3306 | memset(&class, 0, sizeof(class)); | |
3307 | ||
3308 | class.sock = client->sock; | |
3309 | STREAM_GETL(s, class.class.ifindex); | |
3310 | STREAM_GETL(s, class.class.handle); | |
3311 | STREAM_GETL(s, class.class.kind); | |
3312 | STREAM_GETQ(s, class.class.u.htb.rate); | |
3313 | STREAM_GETQ(s, class.class.u.htb.ceil); | |
3314 | ||
3315 | if (hdr->command == ZEBRA_TC_CLASS_ADD) | |
3316 | zebra_tc_class_add(&class); | |
3317 | else | |
3318 | zebra_tc_class_delete(&class); | |
3319 | } | |
3320 | ||
3321 | stream_failure: | |
3322 | return; | |
3323 | } | |
3324 | ||
3325 | static inline void zread_tc_filter(ZAPI_HANDLER_ARGS) | |
3326 | { | |
3327 | struct zebra_tc_filter filter; | |
3328 | struct stream *s; | |
3329 | uint32_t total, i; | |
3330 | ||
3331 | s = msg; | |
3332 | STREAM_GETL(s, total); | |
3333 | ||
3334 | for (i = 0; i < total; i++) { | |
3335 | memset(&filter, 0, sizeof(filter)); | |
3336 | ||
3337 | filter.sock = client->sock; | |
3338 | STREAM_GETL(s, filter.filter.ifindex); | |
3339 | STREAM_GETL(s, filter.filter.handle); | |
3340 | STREAM_GETL(s, filter.filter.priority); | |
3341 | STREAM_GETL(s, filter.filter.protocol); | |
3342 | STREAM_GETL(s, filter.filter.kind); | |
3343 | switch (filter.filter.kind) { | |
3344 | case TC_FILTER_FLOWER: { | |
3345 | STREAM_GETL(s, filter.filter.u.flower.filter_bm); | |
3346 | uint32_t filter_bm = filter.filter.u.flower.filter_bm; | |
3347 | ||
3348 | if (filter_bm & TC_FLOWER_IP_PROTOCOL) | |
3349 | STREAM_GETC(s, filter.filter.u.flower.ip_proto); | |
3350 | if (filter_bm & TC_FLOWER_SRC_IP) { | |
3351 | STREAM_GETC( | |
3352 | s, | |
3353 | filter.filter.u.flower.src_ip.family); | |
3354 | STREAM_GETC(s, filter.filter.u.flower.src_ip | |
3355 | .prefixlen); | |
3356 | STREAM_GET( | |
3357 | &filter.filter.u.flower.src_ip.u.prefix, | |
3358 | s, | |
3359 | prefix_blen(&filter.filter.u.flower | |
3360 | .src_ip)); | |
3361 | ||
3362 | if (!(filter.filter.u.flower.src_ip.family == | |
3363 | AF_INET || | |
3364 | filter.filter.u.flower.src_ip.family == | |
3365 | AF_INET6)) { | |
3366 | zlog_warn( | |
3367 | "Unsupported TC source IP family: %s (%hhu)", | |
3368 | family2str( | |
3369 | filter.filter.u.flower | |
3370 | .src_ip.family), | |
3371 | filter.filter.u.flower.src_ip | |
3372 | .family); | |
3373 | return; | |
3374 | } | |
3375 | } | |
3376 | if (filter_bm & TC_FLOWER_SRC_PORT) { | |
3377 | STREAM_GETW( | |
3378 | s, filter.filter.u.flower.src_port_min); | |
3379 | STREAM_GETW( | |
3380 | s, filter.filter.u.flower.src_port_max); | |
3381 | } | |
3382 | if (filter_bm & TC_FLOWER_DST_IP) { | |
3383 | STREAM_GETC( | |
3384 | s, | |
3385 | filter.filter.u.flower.dst_ip.family); | |
3386 | STREAM_GETC(s, filter.filter.u.flower.dst_ip | |
3387 | .prefixlen); | |
3388 | STREAM_GET( | |
3389 | &filter.filter.u.flower.dst_ip.u.prefix, | |
3390 | s, | |
3391 | prefix_blen(&filter.filter.u.flower | |
3392 | .dst_ip)); | |
3393 | if (!(filter.filter.u.flower.dst_ip.family == | |
3394 | AF_INET || | |
3395 | filter.filter.u.flower.dst_ip.family == | |
3396 | AF_INET6)) { | |
3397 | zlog_warn( | |
3398 | "Unsupported TC destination IP family: %s (%hhu)", | |
3399 | family2str( | |
3400 | filter.filter.u.flower | |
3401 | .dst_ip.family), | |
3402 | filter.filter.u.flower.dst_ip | |
3403 | .family); | |
3404 | return; | |
3405 | } | |
3406 | } | |
3407 | if (filter_bm & TC_FLOWER_DST_PORT) { | |
3408 | STREAM_GETW( | |
3409 | s, filter.filter.u.flower.dst_port_min); | |
3410 | STREAM_GETW( | |
3411 | s, filter.filter.u.flower.dst_port_max); | |
3412 | } | |
3413 | if (filter_bm & TC_FLOWER_DSFIELD) { | |
3414 | STREAM_GETC(s, filter.filter.u.flower.dsfield); | |
3415 | STREAM_GETC( | |
3416 | s, filter.filter.u.flower.dsfield_mask); | |
3417 | } | |
3418 | STREAM_GETL(s, filter.filter.u.flower.classid); | |
3419 | break; | |
3420 | } | |
a98701f0 DS |
3421 | case TC_FILTER_BPF: |
3422 | case TC_FILTER_FLOW: | |
3423 | case TC_FILTER_U32: | |
3424 | case TC_FILTER_UNSPEC: | |
dfacea4a SY |
3425 | break; |
3426 | } | |
3427 | ||
3428 | if (hdr->command == ZEBRA_TC_FILTER_ADD) | |
3429 | zebra_tc_filter_add(&filter); | |
3430 | else | |
3431 | zebra_tc_filter_delete(&filter); | |
3432 | } | |
3433 | ||
3434 | stream_failure: | |
3435 | return; | |
3436 | } | |
3437 | ||
bf094f69 QY |
3438 | static inline void zread_ipset(ZAPI_HANDLER_ARGS) |
3439 | { | |
3440 | struct zebra_pbr_ipset zpi; | |
3441 | struct stream *s; | |
3442 | uint32_t total, i; | |
3443 | ||
3444 | s = msg; | |
3445 | STREAM_GETL(s, total); | |
3446 | ||
3447 | for (i = 0; i < total; i++) { | |
3448 | memset(&zpi, 0, sizeof(zpi)); | |
3449 | ||
3450 | zpi.sock = client->sock; | |
be2028d1 | 3451 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
3452 | STREAM_GETL(s, zpi.unique); |
3453 | STREAM_GETL(s, zpi.type); | |
a60b7031 | 3454 | STREAM_GETC(s, zpi.family); |
bf094f69 QY |
3455 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); |
3456 | ||
3457 | if (hdr->command == ZEBRA_IPSET_CREATE) | |
62f20a52 | 3458 | zebra_pbr_create_ipset(&zpi); |
bf094f69 | 3459 | else |
62f20a52 | 3460 | zebra_pbr_destroy_ipset(&zpi); |
bf094f69 QY |
3461 | } |
3462 | ||
3463 | stream_failure: | |
3464 | return; | |
3465 | } | |
3466 | ||
3467 | static inline void zread_ipset_entry(ZAPI_HANDLER_ARGS) | |
3468 | { | |
3469 | struct zebra_pbr_ipset_entry zpi; | |
3470 | struct zebra_pbr_ipset ipset; | |
3471 | struct stream *s; | |
3472 | uint32_t total, i; | |
3473 | ||
3474 | s = msg; | |
3475 | STREAM_GETL(s, total); | |
3476 | ||
3477 | for (i = 0; i < total; i++) { | |
3478 | memset(&zpi, 0, sizeof(zpi)); | |
3479 | memset(&ipset, 0, sizeof(ipset)); | |
3480 | ||
3481 | zpi.sock = client->sock; | |
3482 | STREAM_GETL(s, zpi.unique); | |
3483 | STREAM_GET(&ipset.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
261462c3 | 3484 | ipset.ipset_name[ZEBRA_IPSET_NAME_SIZE - 1] = '\0'; |
bf094f69 QY |
3485 | STREAM_GETC(s, zpi.src.family); |
3486 | STREAM_GETC(s, zpi.src.prefixlen); | |
3487 | STREAM_GET(&zpi.src.u.prefix, s, prefix_blen(&zpi.src)); | |
3488 | STREAM_GETC(s, zpi.dst.family); | |
3489 | STREAM_GETC(s, zpi.dst.prefixlen); | |
3490 | STREAM_GET(&zpi.dst.u.prefix, s, prefix_blen(&zpi.dst)); | |
3491 | ||
25d760c5 PG |
3492 | STREAM_GETW(s, zpi.src_port_min); |
3493 | STREAM_GETW(s, zpi.src_port_max); | |
3494 | STREAM_GETW(s, zpi.dst_port_min); | |
3495 | STREAM_GETW(s, zpi.dst_port_max); | |
3496 | STREAM_GETC(s, zpi.proto); | |
bf094f69 QY |
3497 | if (!is_default_prefix(&zpi.src)) |
3498 | zpi.filter_bm |= PBR_FILTER_SRC_IP; | |
3499 | ||
3500 | if (!is_default_prefix(&zpi.dst)) | |
3501 | zpi.filter_bm |= PBR_FILTER_DST_IP; | |
be729dd7 | 3502 | if (zpi.dst_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 | 3503 | zpi.filter_bm |= PBR_FILTER_DST_PORT; |
be729dd7 | 3504 | if (zpi.src_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 PG |
3505 | zpi.filter_bm |= PBR_FILTER_SRC_PORT; |
3506 | if (zpi.dst_port_max != 0) | |
3507 | zpi.filter_bm |= PBR_FILTER_DST_PORT_RANGE; | |
3508 | if (zpi.src_port_max != 0) | |
3509 | zpi.filter_bm |= PBR_FILTER_SRC_PORT_RANGE; | |
3510 | if (zpi.proto != 0) | |
3511 | zpi.filter_bm |= PBR_FILTER_PROTO; | |
bf094f69 | 3512 | |
9863725c QY |
3513 | if (!(zpi.dst.family == AF_INET |
3514 | || zpi.dst.family == AF_INET6)) { | |
cec72d49 | 3515 | zlog_warn( |
6cde4b45 | 3516 | "Unsupported PBR destination IP family: %s (%hhu)", |
cec72d49 | 3517 | family2str(zpi.dst.family), zpi.dst.family); |
9863725c QY |
3518 | goto stream_failure; |
3519 | } | |
3520 | if (!(zpi.src.family == AF_INET | |
3521 | || zpi.src.family == AF_INET6)) { | |
cec72d49 | 3522 | zlog_warn( |
6cde4b45 | 3523 | "Unsupported PBR source IP family: %s (%hhu)", |
cec72d49 | 3524 | family2str(zpi.src.family), zpi.src.family); |
9863725c QY |
3525 | goto stream_failure; |
3526 | } | |
3527 | ||
bf094f69 | 3528 | /* calculate backpointer */ |
62f20a52 DS |
3529 | zpi.backpointer = |
3530 | zebra_pbr_lookup_ipset_pername(ipset.ipset_name); | |
f096bae4 DS |
3531 | |
3532 | if (!zpi.backpointer) { | |
3533 | zlog_warn("ipset name specified: %s does not exist", | |
3534 | ipset.ipset_name); | |
3535 | goto stream_failure; | |
3536 | } | |
3537 | ||
bf094f69 | 3538 | if (hdr->command == ZEBRA_IPSET_ENTRY_ADD) |
62f20a52 | 3539 | zebra_pbr_add_ipset_entry(&zpi); |
bf094f69 | 3540 | else |
62f20a52 | 3541 | zebra_pbr_del_ipset_entry(&zpi); |
bf094f69 QY |
3542 | } |
3543 | ||
3544 | stream_failure: | |
3545 | return; | |
3546 | } | |
3547 | ||
05657ec2 | 3548 | |
7723e8d3 PG |
3549 | static inline void zebra_neigh_register(ZAPI_HANDLER_ARGS) |
3550 | { | |
3551 | afi_t afi; | |
3552 | ||
3553 | STREAM_GETW(msg, afi); | |
3554 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
3555 | zlog_warn( | |
3556 | "Invalid AFI %u while registering for neighbors notifications", | |
3557 | afi); | |
3558 | goto stream_failure; | |
3559 | } | |
3560 | vrf_bitmap_set(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); | |
3561 | stream_failure: | |
3562 | return; | |
3563 | } | |
3564 | ||
3565 | static inline void zebra_neigh_unregister(ZAPI_HANDLER_ARGS) | |
3566 | { | |
3567 | afi_t afi; | |
3568 | ||
3569 | STREAM_GETW(msg, afi); | |
3570 | if (afi <= AFI_UNSPEC || afi >= AFI_MAX) { | |
3571 | zlog_warn( | |
3572 | "Invalid AFI %u while unregistering from neighbor notifications", | |
3573 | afi); | |
3574 | goto stream_failure; | |
3575 | } | |
3576 | vrf_bitmap_unset(client->nhrp_neighinfo[afi], zvrf_id(zvrf)); | |
3577 | stream_failure: | |
3578 | return; | |
3579 | } | |
3580 | ||
d17af8dd PG |
3581 | static inline void zebra_gre_get(ZAPI_HANDLER_ARGS) |
3582 | { | |
3583 | struct stream *s; | |
3584 | ifindex_t idx; | |
3585 | struct interface *ifp; | |
3586 | struct zebra_if *zebra_if = NULL; | |
3587 | struct zebra_l2info_gre *gre_info; | |
3588 | struct interface *ifp_link = NULL; | |
3589 | vrf_id_t vrf_id_link = VRF_UNKNOWN; | |
3590 | vrf_id_t vrf_id = zvrf->vrf->vrf_id; | |
3591 | ||
3592 | s = msg; | |
3593 | STREAM_GETL(s, idx); | |
3594 | ifp = if_lookup_by_index(idx, vrf_id); | |
3595 | ||
3596 | if (ifp) | |
3597 | zebra_if = ifp->info; | |
3598 | ||
3599 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
3600 | ||
3601 | zclient_create_header(s, ZEBRA_GRE_UPDATE, vrf_id); | |
3602 | ||
3603 | if (ifp && IS_ZEBRA_IF_GRE(ifp) && zebra_if) { | |
3604 | gre_info = &zebra_if->l2info.gre; | |
3605 | ||
3606 | stream_putl(s, idx); | |
3607 | stream_putl(s, gre_info->ikey); | |
3608 | stream_putl(s, gre_info->ikey); | |
3609 | stream_putl(s, gre_info->ifindex_link); | |
3610 | ||
3611 | ifp_link = if_lookup_by_index_per_ns( | |
3612 | zebra_ns_lookup(gre_info->link_nsid), | |
3613 | gre_info->ifindex_link); | |
3614 | if (ifp_link) | |
096f7609 | 3615 | vrf_id_link = ifp_link->vrf->vrf_id; |
d17af8dd PG |
3616 | stream_putl(s, vrf_id_link); |
3617 | stream_putl(s, gre_info->vtep_ip.s_addr); | |
3618 | stream_putl(s, gre_info->vtep_ip_remote.s_addr); | |
3619 | } else { | |
3620 | stream_putl(s, idx); | |
3621 | stream_putl(s, 0); | |
3622 | stream_putl(s, 0); | |
3623 | stream_putl(s, IFINDEX_INTERNAL); | |
3624 | stream_putl(s, VRF_UNKNOWN); | |
3625 | stream_putl(s, 0); | |
bcb68fe0 | 3626 | stream_putl(s, 0); |
d17af8dd PG |
3627 | } |
3628 | /* Write packet size. */ | |
3629 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3630 | zserv_send_message(client, s); | |
3631 | ||
3632 | return; | |
3633 | stream_failure: | |
3634 | return; | |
3635 | } | |
3636 | ||
541025d6 PG |
3637 | static inline void zebra_configure_arp(ZAPI_HANDLER_ARGS) |
3638 | { | |
3639 | struct stream *s; | |
e18747a9 | 3640 | uint8_t fam; |
541025d6 PG |
3641 | ifindex_t idx; |
3642 | struct interface *ifp; | |
541025d6 PG |
3643 | |
3644 | s = msg; | |
3645 | STREAM_GETC(s, fam); | |
3646 | if (fam != AF_INET && fam != AF_INET6) | |
3647 | return; | |
3648 | STREAM_GETL(s, idx); | |
3649 | ifp = if_lookup_by_index_per_ns(zvrf->zns, idx); | |
3650 | if (!ifp) | |
3651 | return; | |
e18747a9 | 3652 | dplane_neigh_table_update(ifp, fam, 1, 0, 0); |
541025d6 PG |
3653 | stream_failure: |
3654 | return; | |
3655 | } | |
3656 | ||
d603c077 | 3657 | static inline void zebra_neigh_ip_add(ZAPI_HANDLER_ARGS) |
05657ec2 PG |
3658 | { |
3659 | struct stream *s; | |
d603c077 | 3660 | struct zapi_neigh_ip api = {}; |
05657ec2 | 3661 | int ret; |
0a27a2fe | 3662 | const struct interface *ifp; |
05657ec2 PG |
3663 | |
3664 | s = msg; | |
d603c077 | 3665 | ret = zclient_neigh_ip_decode(s, &api); |
05657ec2 PG |
3666 | if (ret < 0) |
3667 | return; | |
0a27a2fe PG |
3668 | ifp = if_lookup_by_index(api.index, zvrf_id(zvrf)); |
3669 | if (!ifp) | |
3670 | return; | |
3671 | dplane_neigh_ip_update(DPLANE_OP_NEIGH_IP_INSTALL, ifp, &api.ip_out, | |
d603c077 | 3672 | &api.ip_in, api.ndm_state, client->proto); |
05657ec2 PG |
3673 | } |
3674 | ||
0a27a2fe | 3675 | |
d603c077 | 3676 | static inline void zebra_neigh_ip_del(ZAPI_HANDLER_ARGS) |
05657ec2 PG |
3677 | { |
3678 | struct stream *s; | |
d603c077 | 3679 | struct zapi_neigh_ip api = {}; |
05657ec2 | 3680 | int ret; |
0a27a2fe | 3681 | struct interface *ifp; |
05657ec2 | 3682 | |
05657ec2 | 3683 | s = msg; |
d603c077 | 3684 | ret = zclient_neigh_ip_decode(s, &api); |
05657ec2 PG |
3685 | if (ret < 0) |
3686 | return; | |
0a27a2fe PG |
3687 | ifp = if_lookup_by_index(api.index, zvrf_id(zvrf)); |
3688 | if (!ifp) | |
3689 | return; | |
3690 | dplane_neigh_ip_update(DPLANE_OP_NEIGH_IP_DELETE, ifp, &api.ip_out, | |
d603c077 | 3691 | &api.ip_in, api.ndm_state, client->proto); |
05657ec2 PG |
3692 | } |
3693 | ||
3694 | ||
bf094f69 QY |
3695 | static inline void zread_iptable(ZAPI_HANDLER_ARGS) |
3696 | { | |
8b5c4dce | 3697 | struct zebra_pbr_iptable *zpi = |
c0ce4875 | 3698 | XCALLOC(MTYPE_PBR_OBJ, sizeof(struct zebra_pbr_iptable)); |
bf094f69 QY |
3699 | struct stream *s; |
3700 | ||
3701 | s = msg; | |
3702 | ||
8b5c4dce QY |
3703 | zpi->interface_name_list = list_new(); |
3704 | zpi->sock = client->sock; | |
3705 | zpi->vrf_id = zvrf->vrf->vrf_id; | |
3706 | STREAM_GETL(s, zpi->unique); | |
3707 | STREAM_GETL(s, zpi->type); | |
3708 | STREAM_GETL(s, zpi->filter_bm); | |
3709 | STREAM_GETL(s, zpi->action); | |
3710 | STREAM_GETL(s, zpi->fwmark); | |
3711 | STREAM_GET(&zpi->ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
a60b7031 | 3712 | STREAM_GETC(s, zpi->family); |
8b5c4dce QY |
3713 | STREAM_GETW(s, zpi->pkt_len_min); |
3714 | STREAM_GETW(s, zpi->pkt_len_max); | |
3715 | STREAM_GETW(s, zpi->tcp_flags); | |
3716 | STREAM_GETW(s, zpi->tcp_mask_flags); | |
3717 | STREAM_GETC(s, zpi->dscp_value); | |
3718 | STREAM_GETC(s, zpi->fragment); | |
3719 | STREAM_GETC(s, zpi->protocol); | |
a60b7031 | 3720 | STREAM_GETW(s, zpi->flow_label); |
8b5c4dce QY |
3721 | STREAM_GETL(s, zpi->nb_interface); |
3722 | zebra_pbr_iptable_update_interfacelist(s, zpi); | |
bf094f69 QY |
3723 | |
3724 | if (hdr->command == ZEBRA_IPTABLE_ADD) | |
8b5c4dce | 3725 | zebra_pbr_add_iptable(zpi); |
bf094f69 | 3726 | else |
8b5c4dce QY |
3727 | zebra_pbr_del_iptable(zpi); |
3728 | ||
bf094f69 | 3729 | stream_failure: |
8b5c4dce QY |
3730 | zebra_pbr_iptable_free(zpi); |
3731 | zpi = NULL; | |
bf094f69 QY |
3732 | return; |
3733 | } | |
3734 | ||
d68e74b4 JU |
3735 | static inline void zread_neigh_discover(ZAPI_HANDLER_ARGS) |
3736 | { | |
3737 | struct stream *s; | |
3738 | ifindex_t ifindex; | |
3739 | struct interface *ifp; | |
3740 | struct prefix p; | |
3741 | struct ipaddr ip; | |
3742 | ||
3743 | s = msg; | |
3744 | ||
3745 | STREAM_GETL(s, ifindex); | |
3746 | ||
3747 | ifp = if_lookup_by_index_per_ns(zvrf->zns, ifindex); | |
3748 | if (!ifp) { | |
3749 | zlog_debug("Failed to lookup ifindex: %u", ifindex); | |
3750 | return; | |
3751 | } | |
3752 | ||
3753 | STREAM_GETC(s, p.family); | |
3754 | STREAM_GETC(s, p.prefixlen); | |
3755 | STREAM_GET(&p.u.prefix, s, prefix_blen(&p)); | |
3756 | ||
3757 | if (p.family == AF_INET) | |
3758 | SET_IPADDR_V4(&ip); | |
3759 | else | |
3760 | SET_IPADDR_V6(&ip); | |
3761 | ||
3762 | memcpy(&ip.ip.addr, &p.u.prefix, prefix_blen(&p)); | |
3763 | ||
3764 | dplane_neigh_discover(ifp, &ip); | |
3765 | ||
3766 | stream_failure: | |
3767 | return; | |
3768 | } | |
3769 | ||
b716ab61 PG |
3770 | static inline void zebra_gre_source_set(ZAPI_HANDLER_ARGS) |
3771 | { | |
3772 | struct stream *s; | |
3773 | ifindex_t idx, link_idx; | |
3774 | vrf_id_t link_vrf_id; | |
3775 | struct interface *ifp; | |
3776 | struct interface *ifp_link; | |
b716ab61 | 3777 | vrf_id_t vrf_id = zvrf->vrf->vrf_id; |
62b4b7e4 PG |
3778 | struct zebra_if *zif, *gre_zif; |
3779 | struct zebra_l2info_gre *gre_info; | |
db51f0cd | 3780 | unsigned int mtu; |
b716ab61 PG |
3781 | |
3782 | s = msg; | |
3783 | STREAM_GETL(s, idx); | |
3784 | ifp = if_lookup_by_index(idx, vrf_id); | |
3785 | STREAM_GETL(s, link_idx); | |
3786 | STREAM_GETL(s, link_vrf_id); | |
db51f0cd | 3787 | STREAM_GETL(s, mtu); |
62b4b7e4 | 3788 | |
b716ab61 PG |
3789 | ifp_link = if_lookup_by_index(link_idx, link_vrf_id); |
3790 | if (!ifp_link || !ifp) { | |
3791 | zlog_warn("GRE (index %u, VRF %u) or GRE link interface (index %u, VRF %u) not found, when setting GRE params", | |
3792 | idx, vrf_id, link_idx, link_vrf_id); | |
3793 | return; | |
3794 | } | |
62b4b7e4 PG |
3795 | |
3796 | if (!IS_ZEBRA_IF_GRE(ifp)) | |
3797 | return; | |
3798 | ||
3799 | gre_zif = (struct zebra_if *)ifp->info; | |
3800 | zif = (struct zebra_if *)ifp_link->info; | |
3801 | if (!zif || !gre_zif) | |
3802 | return; | |
3803 | ||
3804 | gre_info = &zif->l2info.gre; | |
3805 | if (!gre_info) | |
3806 | return; | |
3807 | ||
db51f0cd PG |
3808 | if (!mtu) |
3809 | mtu = ifp->mtu; | |
3810 | ||
3811 | /* if gre link already set or mtu did not change, do not set it */ | |
3812 | if (gre_zif->link && gre_zif->link == ifp_link && mtu == ifp->mtu) | |
62b4b7e4 PG |
3813 | return; |
3814 | ||
e3d3fa06 | 3815 | dplane_gre_set(ifp, ifp_link, mtu, gre_info); |
b716ab61 PG |
3816 | |
3817 | stream_failure: | |
3818 | return; | |
3819 | } | |
3820 | ||
9ab0b2a3 SW |
3821 | static void zsend_error_msg(struct zserv *client, enum zebra_error_types error, |
3822 | struct zmsghdr *bad_hdr) | |
3823 | { | |
3824 | ||
3825 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
3826 | ||
3827 | zclient_create_header(s, ZEBRA_ERROR, bad_hdr->vrf_id); | |
3828 | ||
3829 | zserv_encode_error(s, error); | |
3830 | ||
3831 | client->error_cnt++; | |
3832 | zserv_send_message(client, s); | |
3833 | } | |
3834 | ||
3835 | static void zserv_error_no_vrf(ZAPI_HANDLER_ARGS) | |
3836 | { | |
3837 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
3838 | zlog_debug("ZAPI message specifies unknown VRF: %d", | |
3839 | hdr->vrf_id); | |
3840 | ||
5ee080f0 | 3841 | zsend_error_msg(client, ZEBRA_NO_VRF, hdr); |
9ab0b2a3 SW |
3842 | } |
3843 | ||
3844 | static void zserv_error_invalid_msg_type(ZAPI_HANDLER_ARGS) | |
3845 | { | |
3846 | zlog_info("Zebra received unknown command %d", hdr->command); | |
3847 | ||
5ee080f0 | 3848 | zsend_error_msg(client, ZEBRA_INVALID_MSG_TYPE, hdr); |
9ab0b2a3 SW |
3849 | } |
3850 | ||
2b64873d | 3851 | void (*const zserv_handlers[])(ZAPI_HANDLER_ARGS) = { |
bf094f69 QY |
3852 | [ZEBRA_ROUTER_ID_ADD] = zread_router_id_add, |
3853 | [ZEBRA_ROUTER_ID_DELETE] = zread_router_id_delete, | |
3854 | [ZEBRA_INTERFACE_ADD] = zread_interface_add, | |
3855 | [ZEBRA_INTERFACE_DELETE] = zread_interface_delete, | |
c3bd894e | 3856 | [ZEBRA_INTERFACE_SET_PROTODOWN] = zread_interface_set_protodown, |
bf094f69 QY |
3857 | [ZEBRA_ROUTE_ADD] = zread_route_add, |
3858 | [ZEBRA_ROUTE_DELETE] = zread_route_del, | |
bf094f69 QY |
3859 | [ZEBRA_REDISTRIBUTE_ADD] = zebra_redistribute_add, |
3860 | [ZEBRA_REDISTRIBUTE_DELETE] = zebra_redistribute_delete, | |
3861 | [ZEBRA_REDISTRIBUTE_DEFAULT_ADD] = zebra_redistribute_default_add, | |
3862 | [ZEBRA_REDISTRIBUTE_DEFAULT_DELETE] = zebra_redistribute_default_delete, | |
34ee41c6 | 3863 | [ZEBRA_NEXTHOP_LOOKUP_MRIB] = zread_nexthop_lookup_mrib, |
bf094f69 QY |
3864 | [ZEBRA_HELLO] = zread_hello, |
3865 | [ZEBRA_NEXTHOP_REGISTER] = zread_rnh_register, | |
3866 | [ZEBRA_NEXTHOP_UNREGISTER] = zread_rnh_unregister, | |
bf094f69 QY |
3867 | [ZEBRA_BFD_DEST_UPDATE] = zebra_ptm_bfd_dst_register, |
3868 | [ZEBRA_BFD_DEST_REGISTER] = zebra_ptm_bfd_dst_register, | |
3869 | [ZEBRA_BFD_DEST_DEREGISTER] = zebra_ptm_bfd_dst_deregister, | |
d3af6147 RZ |
3870 | #if HAVE_BFDD > 0 |
3871 | [ZEBRA_BFD_DEST_REPLAY] = zebra_ptm_bfd_dst_replay, | |
3872 | #endif /* HAVE_BFDD */ | |
bf094f69 QY |
3873 | [ZEBRA_VRF_UNREGISTER] = zread_vrf_unregister, |
3874 | [ZEBRA_VRF_LABEL] = zread_vrf_label, | |
3875 | [ZEBRA_BFD_CLIENT_REGISTER] = zebra_ptm_bfd_client_register, | |
bf094f69 QY |
3876 | [ZEBRA_INTERFACE_ENABLE_RADV] = zebra_interface_radv_enable, |
3877 | [ZEBRA_INTERFACE_DISABLE_RADV] = zebra_interface_radv_disable, | |
31f937fb SM |
3878 | [ZEBRA_SR_POLICY_SET] = zread_sr_policy_set, |
3879 | [ZEBRA_SR_POLICY_DELETE] = zread_sr_policy_delete, | |
ea6b290b RW |
3880 | [ZEBRA_MPLS_LABELS_ADD] = zread_mpls_labels_add, |
3881 | [ZEBRA_MPLS_LABELS_DELETE] = zread_mpls_labels_delete, | |
3882 | [ZEBRA_MPLS_LABELS_REPLACE] = zread_mpls_labels_replace, | |
bf094f69 QY |
3883 | [ZEBRA_IPMR_ROUTE_STATS] = zebra_ipmr_route_stats, |
3884 | [ZEBRA_LABEL_MANAGER_CONNECT] = zread_label_manager_request, | |
f533be73 | 3885 | [ZEBRA_LABEL_MANAGER_CONNECT_ASYNC] = zread_label_manager_request, |
bf094f69 QY |
3886 | [ZEBRA_GET_LABEL_CHUNK] = zread_label_manager_request, |
3887 | [ZEBRA_RELEASE_LABEL_CHUNK] = zread_label_manager_request, | |
3888 | [ZEBRA_FEC_REGISTER] = zread_fec_register, | |
3889 | [ZEBRA_FEC_UNREGISTER] = zread_fec_unregister, | |
3890 | [ZEBRA_ADVERTISE_DEFAULT_GW] = zebra_vxlan_advertise_gw_macip, | |
278e26de | 3891 | [ZEBRA_ADVERTISE_SVI_MACIP] = zebra_vxlan_advertise_svi_macip, |
bf094f69 QY |
3892 | [ZEBRA_ADVERTISE_SUBNET] = zebra_vxlan_advertise_subnet, |
3893 | [ZEBRA_ADVERTISE_ALL_VNI] = zebra_vxlan_advertise_all_vni, | |
ce5160c0 AK |
3894 | [ZEBRA_REMOTE_ES_VTEP_ADD] = zebra_evpn_proc_remote_es, |
3895 | [ZEBRA_REMOTE_ES_VTEP_DEL] = zebra_evpn_proc_remote_es, | |
7e5b0b2b MS |
3896 | [ZEBRA_REMOTE_VTEP_ADD] = zebra_vxlan_remote_vtep_add_zapi, |
3897 | [ZEBRA_REMOTE_VTEP_DEL] = zebra_vxlan_remote_vtep_del_zapi, | |
bf094f69 QY |
3898 | [ZEBRA_REMOTE_MACIP_ADD] = zebra_vxlan_remote_macip_add, |
3899 | [ZEBRA_REMOTE_MACIP_DEL] = zebra_vxlan_remote_macip_del, | |
3950b52c | 3900 | [ZEBRA_DUPLICATE_ADDR_DETECTION] = zebra_vxlan_dup_addr_detection, |
bf094f69 QY |
3901 | [ZEBRA_INTERFACE_SET_MASTER] = zread_interface_set_master, |
3902 | [ZEBRA_PW_ADD] = zread_pseudowire, | |
3903 | [ZEBRA_PW_DELETE] = zread_pseudowire, | |
3904 | [ZEBRA_PW_SET] = zread_pseudowire, | |
3905 | [ZEBRA_PW_UNSET] = zread_pseudowire, | |
3906 | [ZEBRA_RULE_ADD] = zread_rule, | |
3907 | [ZEBRA_RULE_DELETE] = zread_rule, | |
3908 | [ZEBRA_TABLE_MANAGER_CONNECT] = zread_table_manager_request, | |
3909 | [ZEBRA_GET_TABLE_CHUNK] = zread_table_manager_request, | |
3910 | [ZEBRA_RELEASE_TABLE_CHUNK] = zread_table_manager_request, | |
3911 | [ZEBRA_IPSET_CREATE] = zread_ipset, | |
3912 | [ZEBRA_IPSET_DESTROY] = zread_ipset, | |
3913 | [ZEBRA_IPSET_ENTRY_ADD] = zread_ipset_entry, | |
3914 | [ZEBRA_IPSET_ENTRY_DELETE] = zread_ipset_entry, | |
3915 | [ZEBRA_IPTABLE_ADD] = zread_iptable, | |
3916 | [ZEBRA_IPTABLE_DELETE] = zread_iptable, | |
fbac9605 | 3917 | [ZEBRA_VXLAN_FLOOD_CONTROL] = zebra_vxlan_flood_control, |
ecbbc3a7 | 3918 | [ZEBRA_VXLAN_SG_REPLAY] = zebra_vxlan_sg_replay, |
ee235396 SK |
3919 | [ZEBRA_MLAG_CLIENT_REGISTER] = zebra_mlag_client_register, |
3920 | [ZEBRA_MLAG_CLIENT_UNREGISTER] = zebra_mlag_client_unregister, | |
3921 | [ZEBRA_MLAG_FORWARD_MSG] = zebra_mlag_forward_client_msg, | |
6e68a084 HS |
3922 | [ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK] = zread_srv6_manager_request, |
3923 | [ZEBRA_SRV6_MANAGER_RELEASE_LOCATOR_CHUNK] = zread_srv6_manager_request, | |
d68e74b4 | 3924 | [ZEBRA_CLIENT_CAPABILITIES] = zread_client_capabilities, |
2f35a820 | 3925 | [ZEBRA_NEIGH_DISCOVER] = zread_neigh_discover, |
8b2d3a0f | 3926 | [ZEBRA_NHG_ADD] = zread_nhg_add, |
2f35a820 | 3927 | [ZEBRA_NHG_DEL] = zread_nhg_del, |
77b38a4a | 3928 | [ZEBRA_ROUTE_NOTIFY_REQUEST] = zread_route_notify_request, |
7bfa7d02 AK |
3929 | [ZEBRA_EVPN_REMOTE_NH_ADD] = zebra_evpn_proc_remote_nh, |
3930 | [ZEBRA_EVPN_REMOTE_NH_DEL] = zebra_evpn_proc_remote_nh, | |
d603c077 PG |
3931 | [ZEBRA_NEIGH_IP_ADD] = zebra_neigh_ip_add, |
3932 | [ZEBRA_NEIGH_IP_DEL] = zebra_neigh_ip_del, | |
7723e8d3 PG |
3933 | [ZEBRA_NHRP_NEIGH_REGISTER] = zebra_neigh_register, |
3934 | [ZEBRA_NHRP_NEIGH_UNREGISTER] = zebra_neigh_unregister, | |
541025d6 | 3935 | [ZEBRA_CONFIGURE_ARP] = zebra_configure_arp, |
d17af8dd | 3936 | [ZEBRA_GRE_GET] = zebra_gre_get, |
b716ab61 | 3937 | [ZEBRA_GRE_SOURCE_SET] = zebra_gre_source_set, |
dfacea4a SY |
3938 | [ZEBRA_TC_QDISC_INSTALL] = zread_tc_qdisc, |
3939 | [ZEBRA_TC_QDISC_UNINSTALL] = zread_tc_qdisc, | |
3940 | [ZEBRA_TC_CLASS_ADD] = zread_tc_class, | |
3941 | [ZEBRA_TC_CLASS_DELETE] = zread_tc_class, | |
3942 | [ZEBRA_TC_FILTER_ADD] = zread_tc_filter, | |
3943 | [ZEBRA_TC_FILTER_DELETE] = zread_tc_filter, | |
2f35a820 | 3944 | }; |
bf094f69 | 3945 | |
79b3664a MS |
3946 | /* |
3947 | * Process a batch of zapi messages. | |
3948 | */ | |
3949 | void zserv_handle_commands(struct zserv *client, struct stream_fifo *fifo) | |
bf094f69 | 3950 | { |
904e0d88 QY |
3951 | struct zmsghdr hdr; |
3952 | struct zebra_vrf *zvrf; | |
79b3664a MS |
3953 | struct stream *msg; |
3954 | struct stream_fifo temp_fifo; | |
904e0d88 | 3955 | |
79b3664a | 3956 | stream_fifo_init(&temp_fifo); |
aa8cb964 | 3957 | |
79b3664a MS |
3958 | while (stream_fifo_head(fifo)) { |
3959 | msg = stream_fifo_pop(fifo); | |
bf094f69 | 3960 | |
79b3664a MS |
3961 | if (STREAM_READABLE(msg) > ZEBRA_MAX_PACKET_SIZ) { |
3962 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
3963 | zlog_debug( | |
3964 | "ZAPI message is %zu bytes long but the maximum packet size is %u; dropping", | |
3965 | STREAM_READABLE(msg), | |
3966 | ZEBRA_MAX_PACKET_SIZ); | |
3967 | goto continue_loop; | |
3968 | } | |
3969 | ||
3970 | zapi_parse_header(msg, &hdr); | |
3971 | ||
ec64a77b DS |
3972 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV |
3973 | && IS_ZEBRA_DEBUG_DETAIL) | |
79b3664a | 3974 | zserv_log_message(NULL, msg, &hdr); |
49b3b01f | 3975 | |
79b3664a | 3976 | hdr.length -= ZEBRA_HEADER_SIZE; |
904e0d88 | 3977 | |
79b3664a MS |
3978 | /* Before checking for a handler function, check for |
3979 | * special messages that are handled in another module; | |
3980 | * we'll treat these as opaque. | |
3981 | */ | |
3982 | if (zebra_opaque_handles_msgid(hdr.command)) { | |
3983 | /* Reset message buffer */ | |
3984 | stream_set_getp(msg, 0); | |
3985 | ||
3986 | stream_fifo_push(&temp_fifo, msg); | |
3987 | ||
3988 | /* Continue without freeing the message */ | |
3989 | msg = NULL; | |
3990 | goto continue_loop; | |
3991 | } | |
3992 | ||
3993 | /* lookup vrf */ | |
3994 | zvrf = zebra_vrf_lookup_by_id(hdr.vrf_id); | |
3995 | if (!zvrf) { | |
3996 | zserv_error_no_vrf(client, &hdr, msg, zvrf); | |
3997 | goto continue_loop; | |
3998 | } | |
3999 | ||
4000 | if (hdr.command >= array_size(zserv_handlers) | |
4001 | || zserv_handlers[hdr.command] == NULL) { | |
4002 | zserv_error_invalid_msg_type(client, &hdr, msg, zvrf); | |
4003 | goto continue_loop; | |
4004 | } | |
4005 | ||
4006 | zserv_handlers[hdr.command](client, &hdr, msg, zvrf); | |
4007 | ||
4008 | continue_loop: | |
4009 | stream_free(msg); | |
4010 | } | |
904e0d88 | 4011 | |
79b3664a MS |
4012 | /* Dispatch any special messages from the temp fifo */ |
4013 | if (stream_fifo_head(&temp_fifo) != NULL) | |
4014 | zebra_opaque_enqueue_batch(&temp_fifo); | |
9ab0b2a3 | 4015 | |
79b3664a | 4016 | stream_fifo_deinit(&temp_fifo); |
bf094f69 | 4017 | } |