Line data Source code
1 : /*
2 : *------------------------------------------------------------------
3 : * dhcp_api.c - dhcp api
4 : *
5 : * Copyright (c) 2016 Cisco and/or its affiliates.
6 : * Licensed under the Apache License, Version 2.0 (the "License");
7 : * you may not use this file except in compliance with the License.
8 : * You may obtain a copy of the License at:
9 : *
10 : * http://www.apache.org/licenses/LICENSE-2.0
11 : *
12 : * Unless required by applicable law or agreed to in writing, software
13 : * distributed under the License is distributed on an "AS IS" BASIS,
14 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 : * See the License for the specific language governing permissions and
16 : * limitations under the License.
17 : *------------------------------------------------------------------
18 : */
19 :
20 : #include <vnet/vnet.h>
21 : #include <vlibmemory/api.h>
22 :
23 : #include <vnet/interface.h>
24 : #include <vnet/api_errno.h>
25 : #include <dhcp/dhcp_proxy.h>
26 : #include <dhcp/client.h>
27 : #include <dhcp/dhcp6_pd_client_dp.h>
28 : #include <dhcp/dhcp6_ia_na_client_dp.h>
29 : #include <dhcp/dhcp6_client_common_dp.h>
30 : #include <vnet/fib/fib_table.h>
31 : #include <vnet/ip/ip_types_api.h>
32 :
33 : /* define message IDs */
34 : #include <vnet/format_fns.h>
35 : #include <dhcp/dhcp.api_enum.h>
36 : #include <dhcp/dhcp.api_types.h>
37 :
38 : /**
39 : * Base message ID fot the plugin
40 : */
41 : static u32 dhcp_base_msg_id;
42 : #define REPLY_MSG_ID_BASE dhcp_base_msg_id
43 :
44 : #include <vlibapi/api_helper_macros.h>
45 :
46 : #define DHCP_PLUGIN_VERSION_MAJOR 1
47 : #define DHCP_PLUGIN_VERSION_MINOR 0
48 :
49 : static void
50 0 : vl_api_dhcp_plugin_get_version_t_handler (vl_api_dhcp_plugin_get_version_t *
51 : mp)
52 : {
53 : vl_api_dhcp_plugin_get_version_reply_t *rmp;
54 0 : int msg_size = sizeof (*rmp);
55 : vl_api_registration_t *reg;
56 :
57 0 : reg = vl_api_client_index_to_registration (mp->client_index);
58 0 : if (!reg)
59 0 : return;
60 :
61 0 : rmp = vl_msg_api_alloc (msg_size);
62 0 : clib_memset (rmp, 0, msg_size);
63 0 : rmp->_vl_msg_id =
64 0 : ntohs (VL_API_DHCP_PLUGIN_GET_VERSION_REPLY + REPLY_MSG_ID_BASE);
65 0 : rmp->context = mp->context;
66 0 : rmp->major = htonl (DHCP_PLUGIN_VERSION_MAJOR);
67 0 : rmp->minor = htonl (DHCP_PLUGIN_VERSION_MINOR);
68 :
69 0 : vl_api_send_msg (reg, (u8 *) rmp);
70 : }
71 :
72 : static void
73 0 : vl_api_dhcp_plugin_control_ping_t_handler (vl_api_dhcp_plugin_control_ping_t *
74 : mp)
75 : {
76 : vl_api_dhcp_plugin_control_ping_reply_t *rmp;
77 0 : int rv = 0;
78 :
79 : /* *INDENT-OFF* */
80 0 : REPLY_MACRO2 (VL_API_DHCP_PLUGIN_CONTROL_PING_REPLY,
81 : ({
82 : rmp->vpe_pid = ntohl (getpid ());
83 : }));
84 : /* *INDENT-ON* */
85 : }
86 :
87 : static void
88 0 : vl_api_dhcp6_duid_ll_set_t_handler (vl_api_dhcp6_duid_ll_set_t * mp)
89 : {
90 : vl_api_dhcp6_duid_ll_set_reply_t *rmp;
91 : dhcpv6_duid_ll_string_t *duid;
92 0 : int rv = 0;
93 :
94 0 : duid = (dhcpv6_duid_ll_string_t *) mp->duid_ll;
95 0 : if (duid->duid_type != htonl (DHCPV6_DUID_LL))
96 : {
97 0 : rv = VNET_API_ERROR_INVALID_VALUE;
98 0 : goto reply;
99 : }
100 0 : clib_memcpy (&client_duid, &duid, sizeof (client_duid));
101 :
102 0 : reply:
103 0 : REPLY_MACRO (VL_API_DHCP6_DUID_LL_SET_REPLY);
104 : }
105 :
106 : static void
107 7 : vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
108 : {
109 : vl_api_dhcp_proxy_set_vss_reply_t *rmp;
110 : u8 *vpn_ascii_id;
111 : int rv;
112 :
113 7 : mp->vpn_ascii_id[sizeof (mp->vpn_ascii_id) - 1] = 0;
114 7 : vpn_ascii_id = format (0, "%s", mp->vpn_ascii_id);
115 : rv =
116 7 : dhcp_proxy_set_vss ((mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4),
117 7 : ntohl (mp->tbl_id), ntohl (mp->vss_type),
118 : vpn_ascii_id, ntohl (mp->oui), ntohl (mp->vpn_index),
119 7 : mp->is_add == 0);
120 :
121 7 : REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
122 : }
123 :
124 :
125 16 : static void vl_api_dhcp_proxy_config_t_handler
126 : (vl_api_dhcp_proxy_config_t * mp)
127 : {
128 : vl_api_dhcp_proxy_set_vss_reply_t *rmp;
129 : ip46_address_t src, server;
130 16 : int rv = -1;
131 :
132 16 : if (mp->dhcp_src_address.af != mp->dhcp_server.af)
133 : {
134 0 : rv = VNET_API_ERROR_INVALID_ARGUMENT;
135 0 : goto reply;
136 : }
137 :
138 16 : ip_address_decode (&mp->dhcp_src_address, &src);
139 16 : ip_address_decode (&mp->dhcp_server, &server);
140 :
141 16 : if (mp->dhcp_src_address.af == ADDRESS_IP4)
142 : {
143 8 : rv = dhcp4_proxy_set_server (&server,
144 : &src,
145 8 : (u32) ntohl (mp->rx_vrf_id),
146 8 : (u32) ntohl (mp->server_vrf_id),
147 8 : (int) (mp->is_add == 0));
148 : }
149 : else
150 : {
151 8 : rv = dhcp6_proxy_set_server (&server,
152 : &src,
153 8 : (u32) ntohl (mp->rx_vrf_id),
154 8 : (u32) ntohl (mp->server_vrf_id),
155 8 : (int) (mp->is_add == 0));
156 : }
157 :
158 16 : reply:
159 16 : REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
160 : }
161 :
162 : static void
163 6 : vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp)
164 : {
165 : vl_api_registration_t *reg;
166 :
167 6 : reg = vl_api_client_index_to_registration (mp->client_index);
168 6 : if (!reg)
169 0 : return;;
170 :
171 6 : dhcp_proxy_dump ((mp->is_ip6 == 1 ?
172 : FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), reg, mp->context);
173 : }
174 :
175 : void
176 0 : dhcp_send_details (fib_protocol_t proto,
177 : void *opaque, u32 context, dhcp_proxy_t * proxy)
178 : {
179 : vl_api_dhcp_proxy_details_t *mp;
180 0 : vl_api_registration_t *reg = opaque;
181 : vl_api_dhcp_server_t *v_server;
182 : dhcp_server_t *server;
183 : fib_table_t *s_fib;
184 : dhcp_vss_t *vss;
185 : u32 count;
186 : size_t n;
187 :
188 0 : count = vec_len (proxy->dhcp_servers);
189 0 : n = sizeof (*mp) + (count * sizeof (vl_api_dhcp_server_t));
190 0 : mp = vl_msg_api_alloc (n);
191 0 : if (!mp)
192 0 : return;
193 0 : clib_memset (mp, 0, n);
194 0 : mp->_vl_msg_id = ntohs (VL_API_DHCP_PROXY_DETAILS + REPLY_MSG_ID_BASE);
195 0 : mp->context = context;
196 0 : mp->count = count;
197 :
198 0 : mp->is_ipv6 = (proto == FIB_PROTOCOL_IP6);
199 0 : mp->rx_vrf_id =
200 0 : htonl (dhcp_proxy_rx_table_get_table_id (proto, proxy->rx_fib_index));
201 :
202 0 : vss = dhcp_get_vss_info (&dhcp_proxy_main, proxy->rx_fib_index, proto);
203 :
204 0 : if (vss)
205 : {
206 0 : mp->vss_type = ntohl (vss->vss_type);
207 0 : if (vss->vss_type == VSS_TYPE_ASCII)
208 : {
209 0 : u32 id_len = vec_len (vss->vpn_ascii_id);
210 0 : clib_memcpy (mp->vss_vpn_ascii_id, vss->vpn_ascii_id, id_len);
211 : }
212 0 : else if (vss->vss_type == VSS_TYPE_VPN_ID)
213 : {
214 0 : u32 oui = ((u32) vss->vpn_id[0] << 16) + ((u32) vss->vpn_id[1] << 8)
215 0 : + ((u32) vss->vpn_id[2]);
216 0 : u32 fib_id = ((u32) vss->vpn_id[3] << 24) +
217 0 : ((u32) vss->vpn_id[4] << 16) + ((u32) vss->vpn_id[5] << 8) +
218 0 : ((u32) vss->vpn_id[6]);
219 0 : mp->vss_oui = htonl (oui);
220 0 : mp->vss_fib_id = htonl (fib_id);
221 : }
222 : }
223 : else
224 0 : mp->vss_type = VSS_TYPE_INVALID;
225 :
226 0 : vec_foreach_index (count, proxy->dhcp_servers)
227 : {
228 0 : server = &proxy->dhcp_servers[count];
229 0 : v_server = &mp->servers[count];
230 :
231 0 : s_fib = fib_table_get (server->server_fib_index, proto);
232 :
233 0 : v_server->server_vrf_id = htonl (s_fib->ft_table_id);
234 :
235 0 : if (mp->is_ipv6)
236 : {
237 0 : memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip6, 16);
238 : }
239 : else
240 : {
241 : /* put the address in the first bytes */
242 0 : memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip4, 4);
243 : }
244 : }
245 :
246 0 : if (mp->is_ipv6)
247 : {
248 0 : memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip6, 16);
249 : }
250 : else
251 : {
252 : /* put the address in the first bytes */
253 0 : memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip4, 4);
254 : }
255 0 : vl_api_send_msg (reg, (u8 *) mp);
256 : }
257 :
258 : static void
259 4 : dhcp_client_lease_encode (vl_api_dhcp_lease_t * lease,
260 : const dhcp_client_t * client)
261 : {
262 : size_t len;
263 : u8 i;
264 :
265 4 : lease->is_ipv6 = 0; // only support IPv4 clients
266 4 : lease->sw_if_index = ntohl (client->sw_if_index);
267 4 : lease->state = ntohl (client->state);
268 4 : len = clib_min (sizeof (lease->hostname) - 1, vec_len (client->hostname));
269 4 : clib_memcpy (&lease->hostname, client->hostname, len);
270 4 : lease->hostname[len] = 0;
271 :
272 4 : lease->mask_width = client->installed.subnet_mask_width;
273 4 : clib_memcpy (&lease->host_address.un,
274 : (u8 *) & client->installed.leased_address,
275 : sizeof (ip4_address_t));
276 4 : clib_memcpy (&lease->router_address.un,
277 : (u8 *) & client->installed.router_address,
278 : sizeof (ip4_address_t));
279 :
280 4 : lease->count = vec_len (client->domain_server_address);
281 4 : for (i = 0; i < lease->count; i++)
282 0 : clib_memcpy (&lease->domain_server[i].address.un.ip4,
283 : (u8 *) &client->domain_server_address[i],
284 : sizeof (ip4_address_t));
285 :
286 4 : clib_memcpy (&lease->host_mac[0], client->client_hardware_address, 6);
287 4 : }
288 :
289 : static void
290 4 : dhcp_client_data_encode (vl_api_dhcp_client_t * vclient,
291 : const dhcp_client_t * client)
292 : {
293 : size_t len;
294 :
295 4 : vclient->sw_if_index = ntohl (client->sw_if_index);
296 4 : len = clib_min (sizeof (vclient->hostname) - 1, vec_len (client->hostname));
297 4 : clib_memcpy (&vclient->hostname, client->hostname, len);
298 4 : vclient->hostname[len] = 0;
299 :
300 4 : len = clib_min (sizeof (vclient->id) - 1,
301 : vec_len (client->client_identifier));
302 4 : clib_memcpy (&vclient->id, client->client_identifier, len);
303 4 : vclient->id[len] = 0;
304 :
305 4 : if (NULL != client->event_callback)
306 0 : vclient->want_dhcp_event = 1;
307 : else
308 4 : vclient->want_dhcp_event = 0;
309 4 : vclient->set_broadcast_flag = client->set_broadcast_flag;
310 4 : vclient->dscp = ip_dscp_encode (client->dscp);
311 4 : vclient->pid = client->pid;
312 4 : }
313 :
314 : static void
315 0 : dhcp_compl_event_callback (u32 client_index, const dhcp_client_t * client)
316 : {
317 : vl_api_registration_t *reg;
318 : vl_api_dhcp_compl_event_t *mp;
319 :
320 0 : reg = vl_api_client_index_to_registration (client_index);
321 0 : if (!reg)
322 0 : return;
323 :
324 0 : mp = vl_msg_api_alloc (sizeof (*mp) +
325 0 : sizeof (vl_api_domain_server_t) *
326 0 : vec_len (client->domain_server_address));
327 0 : mp->client_index = client_index;
328 0 : mp->pid = client->pid;
329 0 : dhcp_client_lease_encode (&mp->lease, client);
330 :
331 0 : mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT + REPLY_MSG_ID_BASE);
332 :
333 0 : vl_api_send_msg (reg, (u8 *) mp);
334 : }
335 :
336 10 : static void vl_api_dhcp_client_config_t_handler
337 : (vl_api_dhcp_client_config_t * mp)
338 : {
339 10 : vlib_main_t *vm = vlib_get_main ();
340 : vl_api_dhcp_client_config_reply_t *rmp;
341 : u32 sw_if_index;
342 : ip_dscp_t dscp;
343 10 : int rv = 0;
344 :
345 10 : VALIDATE_SW_IF_INDEX (&(mp->client));
346 :
347 10 : sw_if_index = ntohl (mp->client.sw_if_index);
348 10 : dscp = ip_dscp_decode (mp->client.dscp);
349 :
350 10 : rv = dhcp_client_config (mp->is_add,
351 : mp->client_index,
352 : vm,
353 : sw_if_index,
354 10 : mp->client.hostname,
355 10 : mp->client.id,
356 10 : (mp->client.want_dhcp_event ?
357 : dhcp_compl_event_callback :
358 : NULL),
359 10 : mp->client.set_broadcast_flag,
360 : dscp, mp->client.pid);
361 :
362 10 : BAD_SW_IF_INDEX_LABEL;
363 10 : REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY);
364 : }
365 :
366 : typedef struct dhcp_client_send_walk_ctx_t_
367 : {
368 : vl_api_registration_t *reg;
369 : u32 context;
370 : } dhcp_client_send_walk_ctx_t;
371 :
372 : static int
373 4 : send_dhcp_client_entry (const dhcp_client_t * client, void *arg)
374 : {
375 : dhcp_client_send_walk_ctx_t *ctx;
376 : vl_api_dhcp_client_details_t *mp;
377 : u32 count;
378 : size_t n;
379 :
380 4 : ctx = arg;
381 :
382 4 : count = vec_len (client->domain_server_address);
383 4 : n = sizeof (*mp) + (count * sizeof (vl_api_domain_server_t));
384 4 : mp = vl_msg_api_alloc (n);
385 4 : if (!mp)
386 0 : return 0;
387 4 : clib_memset (mp, 0, n);
388 :
389 4 : mp->_vl_msg_id = ntohs (VL_API_DHCP_CLIENT_DETAILS + REPLY_MSG_ID_BASE);
390 4 : mp->context = ctx->context;
391 :
392 4 : dhcp_client_data_encode (&mp->client, client);
393 4 : dhcp_client_lease_encode (&mp->lease, client);
394 :
395 4 : vl_api_send_msg (ctx->reg, (u8 *) mp);
396 :
397 4 : return (1);
398 : }
399 :
400 : static void
401 10 : vl_api_dhcp_client_dump_t_handler (vl_api_dhcp_client_dump_t * mp)
402 : {
403 : vl_api_registration_t *reg;
404 :
405 10 : reg = vl_api_client_index_to_registration (mp->client_index);
406 10 : if (!reg)
407 0 : return;
408 :
409 10 : dhcp_client_send_walk_ctx_t ctx = {
410 : .reg = reg,
411 10 : .context = mp->context,
412 : };
413 10 : dhcp_client_walk (send_dhcp_client_entry, &ctx);
414 : }
415 :
416 : static void
417 4 : vl_api_dhcp6_clients_enable_disable_t_handler
418 : (vl_api_dhcp6_clients_enable_disable_t * mp)
419 : {
420 : vl_api_dhcp6_clients_enable_disable_reply_t *rmp;
421 4 : int rv = 0;
422 :
423 4 : dhcp6_clients_enable_disable (mp->enable);
424 :
425 4 : REPLY_MACRO (VL_API_DHCP6_CLIENTS_ENABLE_DISABLE_REPLY);
426 : }
427 :
428 : void
429 2 : vl_api_want_dhcp6_reply_events_t_handler
430 : (vl_api_want_dhcp6_reply_events_t * mp)
431 : {
432 2 : vpe_api_main_t *am = &vpe_api_main;
433 : vl_api_want_dhcp6_reply_events_reply_t *rmp;
434 2 : int rv = 0;
435 :
436 : uword *p =
437 2 : hash_get (am->dhcp6_reply_events_registration_hash, mp->client_index);
438 : vpe_client_registration_t *rp;
439 2 : if (p)
440 : {
441 1 : if (mp->enable_disable)
442 : {
443 0 : clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
444 0 : rv = VNET_API_ERROR_INVALID_REGISTRATION;
445 0 : goto reply;
446 : }
447 : else
448 : {
449 1 : rp = pool_elt_at_index (am->dhcp6_reply_events_registrations, p[0]);
450 1 : pool_put (am->dhcp6_reply_events_registrations, rp);
451 1 : hash_unset (am->dhcp6_reply_events_registration_hash,
452 : mp->client_index);
453 1 : if (pool_elts (am->dhcp6_reply_events_registrations) == 0)
454 1 : dhcp6_set_publisher_node (~0, DHCP6_DP_REPORT_MAX);
455 1 : goto reply;
456 : }
457 : }
458 1 : if (mp->enable_disable == 0)
459 : {
460 0 : clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
461 0 : rv = VNET_API_ERROR_INVALID_REGISTRATION;
462 0 : goto reply;
463 : }
464 1 : pool_get (am->dhcp6_reply_events_registrations, rp);
465 1 : rp->client_index = mp->client_index;
466 1 : rp->client_pid = ntohl (mp->pid);
467 1 : hash_set (am->dhcp6_reply_events_registration_hash, rp->client_index,
468 : rp - am->dhcp6_reply_events_registrations);
469 1 : dhcp6_set_publisher_node (dhcp6_reply_process_node.index,
470 : DHCP6_DP_REPLY_REPORT);
471 :
472 2 : reply:
473 2 : REPLY_MACRO (VL_API_WANT_DHCP6_REPLY_EVENTS_REPLY);
474 : }
475 :
476 : void
477 2 : vl_api_want_dhcp6_pd_reply_events_t_handler
478 : (vl_api_want_dhcp6_pd_reply_events_t * mp)
479 : {
480 2 : vpe_api_main_t *am = &vpe_api_main;
481 : vl_api_want_dhcp6_pd_reply_events_reply_t *rmp;
482 2 : int rv = 0;
483 :
484 : uword *p =
485 2 : hash_get (am->dhcp6_pd_reply_events_registration_hash, mp->client_index);
486 : vpe_client_registration_t *rp;
487 2 : if (p)
488 : {
489 1 : if (mp->enable_disable)
490 : {
491 0 : clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
492 0 : rv = VNET_API_ERROR_INVALID_REGISTRATION;
493 0 : goto reply;
494 : }
495 : else
496 : {
497 1 : rp =
498 1 : pool_elt_at_index (am->dhcp6_pd_reply_events_registrations, p[0]);
499 1 : pool_put (am->dhcp6_pd_reply_events_registrations, rp);
500 1 : hash_unset (am->dhcp6_pd_reply_events_registration_hash,
501 : mp->client_index);
502 1 : if (pool_elts (am->dhcp6_pd_reply_events_registrations) == 0)
503 1 : dhcp6_pd_set_publisher_node (~0, DHCP6_PD_DP_REPORT_MAX);
504 1 : goto reply;
505 : }
506 : }
507 1 : if (mp->enable_disable == 0)
508 : {
509 0 : clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
510 0 : rv = VNET_API_ERROR_INVALID_REGISTRATION;
511 0 : goto reply;
512 : }
513 1 : pool_get (am->dhcp6_pd_reply_events_registrations, rp);
514 1 : rp->client_index = mp->client_index;
515 1 : rp->client_pid = ntohl (mp->pid);
516 1 : hash_set (am->dhcp6_pd_reply_events_registration_hash, rp->client_index,
517 : rp - am->dhcp6_pd_reply_events_registrations);
518 1 : dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index,
519 : DHCP6_PD_DP_REPLY_REPORT);
520 :
521 2 : reply:
522 2 : REPLY_MACRO (VL_API_WANT_DHCP6_PD_REPLY_EVENTS_REPLY);
523 : }
524 :
525 : void
526 1 : vl_api_dhcp6_send_client_message_t_handler
527 : (vl_api_dhcp6_send_client_message_t * mp)
528 : {
529 : vl_api_dhcp6_send_client_message_reply_t *rmp;
530 : dhcp6_send_client_message_params_t params;
531 1 : vlib_main_t *vm = vlib_get_main ();
532 : u32 n_addresses;
533 : u32 i;
534 1 : int rv = 0;
535 :
536 1 : VALIDATE_SW_IF_INDEX (mp);
537 :
538 1 : BAD_SW_IF_INDEX_LABEL;
539 1 : REPLY_MACRO (VL_API_DHCP6_SEND_CLIENT_MESSAGE_REPLY);
540 :
541 1 : if (rv != 0)
542 0 : return;
543 :
544 1 : params.sw_if_index = ntohl (mp->sw_if_index);
545 1 : params.server_index = ntohl (mp->server_index);
546 1 : params.irt = ntohl (mp->irt);
547 1 : params.mrt = ntohl (mp->mrt);
548 1 : params.mrc = ntohl (mp->mrc);
549 1 : params.mrd = ntohl (mp->mrd);
550 1 : params.msg_type = ntohl (mp->msg_type);
551 1 : params.T1 = ntohl (mp->T1);
552 1 : params.T2 = ntohl (mp->T2);
553 1 : n_addresses = ntohl (mp->n_addresses);
554 : /* Make sure that the number of addresses is sane */
555 1 : if (n_addresses * sizeof (params.addresses) > vl_msg_api_max_length (mp))
556 : {
557 0 : rv = VNET_API_ERROR_INVALID_VALUE;
558 0 : goto bad_sw_if_index;
559 : }
560 1 : params.addresses = 0;
561 1 : if (n_addresses > 0)
562 1 : vec_validate (params.addresses, n_addresses - 1);
563 2 : for (i = 0; i < n_addresses; i++)
564 : {
565 1 : vl_api_dhcp6_address_info_t *ai = &mp->addresses[i];
566 1 : dhcp6_send_client_message_params_address_t *addr = ¶ms.addresses[i];
567 1 : addr->preferred_lt = ntohl (ai->preferred_time);
568 1 : addr->valid_lt = ntohl (ai->valid_time);
569 1 : ip6_address_decode (ai->address, &addr->address);
570 : }
571 :
572 1 : dhcp6_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop, ¶ms);
573 : }
574 :
575 : void
576 1 : vl_api_dhcp6_pd_send_client_message_t_handler
577 : (vl_api_dhcp6_pd_send_client_message_t * mp)
578 : {
579 : vl_api_dhcp6_pd_send_client_message_reply_t *rmp;
580 : dhcp6_pd_send_client_message_params_t params;
581 1 : vlib_main_t *vm = vlib_get_main ();
582 : u32 n_prefixes;
583 : u32 i;
584 1 : int rv = 0;
585 :
586 1 : VALIDATE_SW_IF_INDEX (mp);
587 :
588 1 : BAD_SW_IF_INDEX_LABEL;
589 1 : REPLY_MACRO (VL_API_DHCP6_PD_SEND_CLIENT_MESSAGE_REPLY);
590 :
591 1 : if (rv != 0)
592 0 : return;
593 :
594 1 : params.sw_if_index = ntohl (mp->sw_if_index);
595 1 : params.server_index = ntohl (mp->server_index);
596 1 : params.irt = ntohl (mp->irt);
597 1 : params.mrt = ntohl (mp->mrt);
598 1 : params.mrc = ntohl (mp->mrc);
599 1 : params.mrd = ntohl (mp->mrd);
600 1 : params.msg_type = ntohl (mp->msg_type);
601 1 : params.T1 = ntohl (mp->T1);
602 1 : params.T2 = ntohl (mp->T2);
603 1 : n_prefixes = ntohl (mp->n_prefixes);
604 :
605 : /* Minimal check to see that the number of prefixes is sane */
606 1 : if (n_prefixes * sizeof (params.prefixes) > vl_msg_api_max_length (mp))
607 : {
608 0 : rv = VNET_API_ERROR_INVALID_VALUE;
609 0 : goto bad_sw_if_index;
610 : }
611 :
612 1 : params.prefixes = 0;
613 1 : if (n_prefixes > 0)
614 1 : vec_validate (params.prefixes, n_prefixes - 1);
615 2 : for (i = 0; i < n_prefixes; i++)
616 : {
617 1 : vl_api_dhcp6_pd_prefix_info_t *pi = &mp->prefixes[i];
618 1 : dhcp6_pd_send_client_message_params_prefix_t *pref =
619 1 : ¶ms.prefixes[i];
620 1 : pref->preferred_lt = ntohl (pi->preferred_time);
621 1 : pref->valid_lt = ntohl (pi->valid_time);
622 1 : ip6_address_decode (pi->prefix.address, &pref->prefix);
623 1 : pref->prefix_length = pi->prefix.len;
624 : }
625 :
626 1 : dhcp6_pd_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop,
627 : ¶ms);
628 : }
629 :
630 : static clib_error_t *
631 14 : call_dhcp6_reply_event_callbacks (void *data,
632 : _vnet_dhcp6_reply_event_function_list_elt_t
633 : * elt)
634 : {
635 14 : clib_error_t *error = 0;
636 :
637 28 : while (elt)
638 : {
639 14 : error = elt->fp (data);
640 14 : if (error)
641 0 : return error;
642 14 : elt = elt->next_dhcp6_reply_event_function;
643 : }
644 :
645 14 : return error;
646 : }
647 :
648 : static uword
649 589 : dhcp6_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
650 : vlib_frame_t * f)
651 : {
652 : /* These cross the longjmp boundary (vlib_process_wait_for_event)
653 : * and need to be volatile - to prevent them from being optimized into
654 : * a register - which could change during suspension */
655 :
656 : while (1)
657 14 : {
658 589 : vlib_process_wait_for_event (vm);
659 14 : uword event_type = DHCP6_DP_REPLY_REPORT;
660 14 : void *event_data = vlib_process_get_event_data (vm, &event_type);
661 :
662 : int i;
663 14 : if (event_type == DHCP6_DP_REPLY_REPORT)
664 : {
665 14 : address_report_t *events = event_data;
666 28 : for (i = 0; i < vec_len (events); i++)
667 : {
668 10 : u32 event_size =
669 : sizeof (vl_api_dhcp6_reply_event_t) +
670 14 : vec_len (events[i].addresses) *
671 : sizeof (vl_api_dhcp6_address_info_t);
672 14 : vl_api_dhcp6_reply_event_t *event = clib_mem_alloc (event_size);
673 14 : clib_memset (event, 0, event_size);
674 :
675 14 : event->sw_if_index = htonl (events[i].body.sw_if_index);
676 14 : event->server_index = htonl (events[i].body.server_index);
677 14 : event->msg_type = events[i].body.msg_type;
678 14 : event->T1 = htonl (events[i].body.T1);
679 14 : event->T2 = htonl (events[i].body.T2);
680 14 : event->inner_status_code =
681 14 : htons (events[i].body.inner_status_code);
682 14 : event->status_code = htons (events[i].body.status_code);
683 14 : event->preference = events[i].body.preference;
684 :
685 14 : event->n_addresses = htonl (vec_len (events[i].addresses));
686 14 : vl_api_dhcp6_address_info_t *address =
687 : (typeof (address)) event->addresses;
688 : u32 j;
689 18 : for (j = 0; j < vec_len (events[i].addresses); j++)
690 : {
691 4 : dhcp6_address_info_t *info = &events[i].addresses[j];
692 4 : ip6_address_encode (&info->address, address->address);
693 4 : address->valid_time = htonl (info->valid_time);
694 4 : address->preferred_time = htonl (info->preferred_time);
695 4 : address++;
696 : }
697 14 : vec_free (events[i].addresses);
698 :
699 14 : dhcp6_ia_na_client_public_main_t *dcpm =
700 : &dhcp6_ia_na_client_public_main;
701 14 : call_dhcp6_reply_event_callbacks (event, dcpm->functions);
702 :
703 : vpe_client_registration_t *reg;
704 : /* *INDENT-OFF* */
705 15 : pool_foreach (reg, vpe_api_main.dhcp6_reply_events_registrations)
706 : {
707 : vl_api_registration_t *vl_reg;
708 : vl_reg =
709 1 : vl_api_client_index_to_registration (reg->client_index);
710 1 : if (vl_reg && vl_api_can_send_msg (vl_reg))
711 : {
712 : vl_api_dhcp6_reply_event_t *msg =
713 1 : vl_msg_api_alloc (event_size);
714 1 : clib_memcpy (msg, event, event_size);
715 1 : msg->_vl_msg_id = htons (VL_API_DHCP6_REPLY_EVENT + REPLY_MSG_ID_BASE);
716 1 : msg->client_index = reg->client_index;
717 1 : msg->pid = reg->client_pid;
718 1 : vl_api_send_msg (vl_reg, (u8 *) msg);
719 : }
720 : }
721 : /* *INDENT-ON* */
722 :
723 14 : clib_mem_free (event);
724 : }
725 : }
726 14 : vlib_process_put_event_data (vm, event_data);
727 : }
728 :
729 : return 0;
730 : }
731 :
732 : /* *INDENT-OFF* */
733 153836 : VLIB_REGISTER_NODE (dhcp6_reply_process_node) = {
734 : .function = dhcp6_reply_process,
735 : .type = VLIB_NODE_TYPE_PROCESS,
736 : .name = "dhcp6-reply-publisher-process",
737 : };
738 : /* *INDENT-ON* */
739 :
740 : static clib_error_t *
741 14 : call_dhcp6_pd_reply_event_callbacks (void *data,
742 : _vnet_dhcp6_pd_reply_event_function_list_elt_t
743 : * elt)
744 : {
745 14 : clib_error_t *error = 0;
746 :
747 28 : while (elt)
748 : {
749 14 : error = elt->fp (data);
750 14 : if (error)
751 0 : return error;
752 14 : elt = elt->next_dhcp6_pd_reply_event_function;
753 : }
754 :
755 14 : return error;
756 : }
757 :
758 : static uword
759 589 : dhcp6_pd_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
760 : vlib_frame_t * f)
761 : {
762 : /* These cross the longjmp boundary (vlib_process_wait_for_event)
763 : * and need to be volatile - to prevent them from being optimized into
764 : * a register - which could change during suspension */
765 :
766 : while (1)
767 14 : {
768 589 : vlib_process_wait_for_event (vm);
769 14 : uword event_type = DHCP6_PD_DP_REPLY_REPORT;
770 14 : void *event_data = vlib_process_get_event_data (vm, &event_type);
771 :
772 : int i;
773 14 : if (event_type == DHCP6_PD_DP_REPLY_REPORT)
774 : {
775 14 : prefix_report_t *events = event_data;
776 28 : for (i = 0; i < vec_len (events); i++)
777 : {
778 10 : u32 event_size =
779 : sizeof (vl_api_dhcp6_pd_reply_event_t) +
780 14 : vec_len (events[i].prefixes) *
781 : sizeof (vl_api_dhcp6_pd_prefix_info_t);
782 : vl_api_dhcp6_pd_reply_event_t *event =
783 14 : clib_mem_alloc (event_size);
784 14 : clib_memset (event, 0, event_size);
785 :
786 14 : event->sw_if_index = htonl (events[i].body.sw_if_index);
787 14 : event->server_index = htonl (events[i].body.server_index);
788 14 : event->msg_type = events[i].body.msg_type;
789 14 : event->T1 = htonl (events[i].body.T1);
790 14 : event->T2 = htonl (events[i].body.T2);
791 14 : event->inner_status_code =
792 14 : htons (events[i].body.inner_status_code);
793 14 : event->status_code = htons (events[i].body.status_code);
794 14 : event->preference = events[i].body.preference;
795 :
796 14 : event->n_prefixes = htonl (vec_len (events[i].prefixes));
797 14 : vl_api_dhcp6_pd_prefix_info_t *prefix =
798 : (typeof (prefix)) event->prefixes;
799 : u32 j;
800 18 : for (j = 0; j < vec_len (events[i].prefixes); j++)
801 : {
802 4 : dhcp6_prefix_info_t *info = &events[i].prefixes[j];
803 4 : ip6_address_encode (&info->prefix, prefix->prefix.address);
804 4 : prefix->prefix.len = info->prefix_length;
805 4 : prefix->valid_time = htonl (info->valid_time);
806 4 : prefix->preferred_time = htonl (info->preferred_time);
807 4 : prefix++;
808 : }
809 14 : vec_free (events[i].prefixes);
810 :
811 14 : dhcp6_pd_client_public_main_t *dpcpm =
812 : &dhcp6_pd_client_public_main;
813 14 : call_dhcp6_pd_reply_event_callbacks (event, dpcpm->functions);
814 :
815 : vpe_client_registration_t *reg;
816 : /* *INDENT-OFF* */
817 15 : pool_foreach (reg, vpe_api_main.dhcp6_pd_reply_events_registrations)
818 : {
819 : vl_api_registration_t *vl_reg;
820 : vl_reg =
821 1 : vl_api_client_index_to_registration (reg->client_index);
822 1 : if (vl_reg && vl_api_can_send_msg (vl_reg))
823 : {
824 : vl_api_dhcp6_pd_reply_event_t *msg =
825 1 : vl_msg_api_alloc (event_size);
826 1 : clib_memcpy (msg, event, event_size);
827 1 : msg->_vl_msg_id = htons (VL_API_DHCP6_PD_REPLY_EVENT + REPLY_MSG_ID_BASE);
828 1 : msg->client_index = reg->client_index;
829 1 : msg->pid = reg->client_pid;
830 1 : vl_api_send_msg (vl_reg, (u8 *) msg);
831 : }
832 : }
833 : /* *INDENT-ON* */
834 :
835 14 : clib_mem_free (event);
836 : }
837 : }
838 14 : vlib_process_put_event_data (vm, event_data);
839 : }
840 :
841 : return 0;
842 : }
843 :
844 : /* *INDENT-OFF* */
845 153836 : VLIB_REGISTER_NODE (dhcp6_pd_reply_process_node) = {
846 : .function = dhcp6_pd_reply_process,
847 : .type = VLIB_NODE_TYPE_PROCESS,
848 : .name = "dhcp6-pd-reply-publisher-process",
849 : };
850 : /* *INDENT-ON* */
851 :
852 : /*
853 : * dhcp_api_hookup
854 : * Add vpe's API message handlers to the table.
855 : * vlib has already mapped shared memory and
856 : * added the client registration handlers.
857 : * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
858 : */
859 : #include <dhcp/dhcp.api.c>
860 :
861 : static clib_error_t *
862 575 : dhcp_api_hookup (vlib_main_t * vm)
863 : {
864 : /*
865 : * Set up the (msg_name, crc, message-id) table
866 : */
867 575 : dhcp_base_msg_id = setup_message_id_table ();
868 :
869 575 : dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index,
870 : DHCP6_PD_DP_REPLY_REPORT);
871 575 : dhcp6_set_publisher_node (dhcp6_reply_process_node.index,
872 : DHCP6_DP_REPLY_REPORT);
873 :
874 575 : return 0;
875 : }
876 :
877 1151 : VLIB_API_INIT_FUNCTION (dhcp_api_hookup);
878 :
879 : #include <vlib/unix/plugin.h>
880 : #include <vpp/app/version.h>
881 :
882 : /* *INDENT-OFF* */
883 : VLIB_PLUGIN_REGISTER () = {
884 : .version = VPP_BUILD_VER,
885 : .description = "Dynamic Host Configuration Protocol (DHCP)",
886 : };
887 : /* *INDENT-ON* */
888 :
889 : /*
890 : * fd.io coding-style-patch-verification: ON
891 : *
892 : * Local Variables:
893 : * eval: (c-set-style "gnu")
894 : * End:
895 : */
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