2 *------------------------------------------------------------------
3 * dhcp_api.c - dhcp api
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:
10 * http://www.apache.org/licenses/LICENSE-2.0
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 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
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>
33 /* define message IDs */
34 #include <vnet/format_fns.h>
35 #include <dhcp/dhcp.api_enum.h>
36 #include <dhcp/dhcp.api_types.h>
39 * Base message ID fot the plugin
41 static u32 dhcp_base_msg_id;
42 #define REPLY_MSG_ID_BASE dhcp_base_msg_id
44 #include <vlibapi/api_helper_macros.h>
46 #define DHCP_PLUGIN_VERSION_MAJOR 1
47 #define DHCP_PLUGIN_VERSION_MINOR 0
50 vl_api_dhcp_plugin_get_version_t_handler (vl_api_dhcp_plugin_get_version_t *
53 vl_api_dhcp_plugin_get_version_reply_t *rmp;
54 int msg_size = sizeof (*rmp);
55 vl_api_registration_t *reg;
57 reg = vl_api_client_index_to_registration (mp->client_index);
61 rmp = vl_msg_api_alloc (msg_size);
62 clib_memset (rmp, 0, msg_size);
64 ntohs (VL_API_DHCP_PLUGIN_GET_VERSION_REPLY + REPLY_MSG_ID_BASE);
65 rmp->context = mp->context;
66 rmp->major = htonl (DHCP_PLUGIN_VERSION_MAJOR);
67 rmp->minor = htonl (DHCP_PLUGIN_VERSION_MINOR);
69 vl_api_send_msg (reg, (u8 *) rmp);
73 vl_api_dhcp_plugin_control_ping_t_handler (vl_api_dhcp_plugin_control_ping_t *
76 vl_api_dhcp_plugin_control_ping_reply_t *rmp;
80 REPLY_MACRO2 (VL_API_DHCP_PLUGIN_CONTROL_PING_REPLY,
82 rmp->vpe_pid = ntohl (getpid ());
88 vl_api_dhcp6_duid_ll_set_t_handler (vl_api_dhcp6_duid_ll_set_t * mp)
90 vl_api_dhcp6_duid_ll_set_reply_t *rmp;
91 dhcpv6_duid_ll_string_t *duid;
94 duid = (dhcpv6_duid_ll_string_t *) mp->duid_ll;
95 if (duid->duid_type != htonl (DHCPV6_DUID_LL))
97 rv = VNET_API_ERROR_INVALID_VALUE;
100 clib_memcpy (&client_duid, &duid, sizeof (client_duid));
103 REPLY_MACRO (VL_API_DHCP6_DUID_LL_SET_REPLY);
107 vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
109 vl_api_dhcp_proxy_set_vss_reply_t *rmp;
113 mp->vpn_ascii_id[sizeof (mp->vpn_ascii_id) - 1] = 0;
114 vpn_ascii_id = format (0, "%s", mp->vpn_ascii_id);
116 dhcp_proxy_set_vss ((mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4),
117 ntohl (mp->tbl_id), ntohl (mp->vss_type),
118 vpn_ascii_id, ntohl (mp->oui), ntohl (mp->vpn_index),
121 REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
125 static void vl_api_dhcp_proxy_config_t_handler
126 (vl_api_dhcp_proxy_config_t * mp)
128 vl_api_dhcp_proxy_set_vss_reply_t *rmp;
129 ip46_address_t src, server;
132 if (mp->dhcp_src_address.af != mp->dhcp_server.af)
134 rv = VNET_API_ERROR_INVALID_ARGUMENT;
138 ip_address_decode (&mp->dhcp_src_address, &src);
139 ip_address_decode (&mp->dhcp_server, &server);
141 if (mp->dhcp_src_address.af == ADDRESS_IP4)
143 rv = dhcp4_proxy_set_server (&server,
145 (u32) ntohl (mp->rx_vrf_id),
146 (u32) ntohl (mp->server_vrf_id),
147 (int) (mp->is_add == 0));
151 rv = dhcp6_proxy_set_server (&server,
153 (u32) ntohl (mp->rx_vrf_id),
154 (u32) ntohl (mp->server_vrf_id),
155 (int) (mp->is_add == 0));
159 REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
163 vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp)
165 vl_api_registration_t *reg;
167 reg = vl_api_client_index_to_registration (mp->client_index);
171 dhcp_proxy_dump ((mp->is_ip6 == 1 ?
172 FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), reg, mp->context);
176 dhcp_send_details (fib_protocol_t proto,
177 void *opaque, u32 context, dhcp_proxy_t * proxy)
179 vl_api_dhcp_proxy_details_t *mp;
180 vl_api_registration_t *reg = opaque;
181 vl_api_dhcp_server_t *v_server;
182 dhcp_server_t *server;
188 count = vec_len (proxy->dhcp_servers);
189 n = sizeof (*mp) + (count * sizeof (vl_api_dhcp_server_t));
190 mp = vl_msg_api_alloc (n);
193 clib_memset (mp, 0, n);
194 mp->_vl_msg_id = ntohs (VL_API_DHCP_PROXY_DETAILS + REPLY_MSG_ID_BASE);
195 mp->context = context;
198 mp->is_ipv6 = (proto == FIB_PROTOCOL_IP6);
200 htonl (dhcp_proxy_rx_table_get_table_id (proto, proxy->rx_fib_index));
202 vss = dhcp_get_vss_info (&dhcp_proxy_main, proxy->rx_fib_index, proto);
206 mp->vss_type = ntohl (vss->vss_type);
207 if (vss->vss_type == VSS_TYPE_ASCII)
209 u32 id_len = vec_len (vss->vpn_ascii_id);
210 clib_memcpy (mp->vss_vpn_ascii_id, vss->vpn_ascii_id, id_len);
212 else if (vss->vss_type == VSS_TYPE_VPN_ID)
214 u32 oui = ((u32) vss->vpn_id[0] << 16) + ((u32) vss->vpn_id[1] << 8)
215 + ((u32) vss->vpn_id[2]);
216 u32 fib_id = ((u32) vss->vpn_id[3] << 24) +
217 ((u32) vss->vpn_id[4] << 16) + ((u32) vss->vpn_id[5] << 8) +
218 ((u32) vss->vpn_id[6]);
219 mp->vss_oui = htonl (oui);
220 mp->vss_fib_id = htonl (fib_id);
224 mp->vss_type = VSS_TYPE_INVALID;
226 vec_foreach_index (count, proxy->dhcp_servers)
228 server = &proxy->dhcp_servers[count];
229 v_server = &mp->servers[count];
231 s_fib = fib_table_get (server->server_fib_index, proto);
233 v_server->server_vrf_id = htonl (s_fib->ft_table_id);
237 memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip6, 16);
241 /* put the address in the first bytes */
242 memcpy (&v_server->dhcp_server.un, &server->dhcp_server.ip4, 4);
248 memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip6, 16);
252 /* put the address in the first bytes */
253 memcpy (&mp->dhcp_src_address.un, &proxy->dhcp_src_address.ip4, 4);
255 vl_api_send_msg (reg, (u8 *) mp);
259 dhcp_client_lease_encode (vl_api_dhcp_lease_t * lease,
260 const dhcp_client_t * client)
265 lease->is_ipv6 = 0; // only support IPv6 clients
266 lease->sw_if_index = ntohl (client->sw_if_index);
267 lease->state = ntohl (client->state);
268 len = clib_min (sizeof (lease->hostname) - 1, vec_len (client->hostname));
269 clib_memcpy (&lease->hostname, client->hostname, len);
270 lease->hostname[len] = 0;
272 lease->mask_width = client->subnet_mask_width;
273 clib_memcpy (&lease->host_address.un, (u8 *) & client->leased_address,
274 sizeof (ip4_address_t));
275 clib_memcpy (&lease->router_address.un, (u8 *) & client->router_address,
276 sizeof (ip4_address_t));
278 lease->count = vec_len (client->domain_server_address);
279 for (i = 0; i < lease->count; i++)
280 clib_memcpy (&lease->domain_server[i].address,
281 (u8 *) & client->domain_server_address[i],
282 sizeof (ip4_address_t));
284 clib_memcpy (&lease->host_mac[0], client->client_hardware_address, 6);
288 dhcp_client_data_encode (vl_api_dhcp_client_t * vclient,
289 const dhcp_client_t * client)
293 vclient->sw_if_index = ntohl (client->sw_if_index);
294 len = clib_min (sizeof (vclient->hostname) - 1, vec_len (client->hostname));
295 clib_memcpy (&vclient->hostname, client->hostname, len);
296 vclient->hostname[len] = 0;
298 len = clib_min (sizeof (vclient->id) - 1,
299 vec_len (client->client_identifier));
300 clib_memcpy (&vclient->id, client->client_identifier, len);
301 vclient->id[len] = 0;
303 if (NULL != client->event_callback)
304 vclient->want_dhcp_event = 1;
306 vclient->want_dhcp_event = 0;
307 vclient->set_broadcast_flag = client->set_broadcast_flag;
308 vclient->dscp = ip_dscp_encode (client->dscp);
309 vclient->pid = client->pid;
313 dhcp_compl_event_callback (u32 client_index, const dhcp_client_t * client)
315 vl_api_registration_t *reg;
316 vl_api_dhcp_compl_event_t *mp;
318 reg = vl_api_client_index_to_registration (client_index);
322 mp = vl_msg_api_alloc (sizeof (*mp));
323 mp->client_index = client_index;
324 mp->pid = client->pid;
325 dhcp_client_lease_encode (&mp->lease, client);
327 mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT + REPLY_MSG_ID_BASE);
329 vl_api_send_msg (reg, (u8 *) mp);
332 static void vl_api_dhcp_client_config_t_handler
333 (vl_api_dhcp_client_config_t * mp)
335 vlib_main_t *vm = vlib_get_main ();
336 vl_api_dhcp_client_config_reply_t *rmp;
341 VALIDATE_SW_IF_INDEX (&(mp->client));
343 sw_if_index = ntohl (mp->client.sw_if_index);
344 dscp = ip_dscp_decode (mp->client.dscp);
346 rv = dhcp_client_config (mp->is_add,
352 (mp->client.want_dhcp_event ?
353 dhcp_compl_event_callback :
355 mp->client.set_broadcast_flag,
356 dscp, mp->client.pid);
358 BAD_SW_IF_INDEX_LABEL;
359 REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY);
362 typedef struct dhcp_client_send_walk_ctx_t_
364 vl_api_registration_t *reg;
366 } dhcp_client_send_walk_ctx_t;
369 send_dhcp_client_entry (const dhcp_client_t * client, void *arg)
371 dhcp_client_send_walk_ctx_t *ctx;
372 vl_api_dhcp_client_details_t *mp;
376 mp = vl_msg_api_alloc (sizeof (*mp));
377 clib_memset (mp, 0, sizeof (*mp));
379 mp->_vl_msg_id = ntohs (VL_API_DHCP_CLIENT_DETAILS + REPLY_MSG_ID_BASE);
380 mp->context = ctx->context;
382 dhcp_client_data_encode (&mp->client, client);
383 dhcp_client_lease_encode (&mp->lease, client);
385 vl_api_send_msg (ctx->reg, (u8 *) mp);
391 vl_api_dhcp_client_dump_t_handler (vl_api_dhcp_client_dump_t * mp)
393 vl_api_registration_t *reg;
395 reg = vl_api_client_index_to_registration (mp->client_index);
399 dhcp_client_send_walk_ctx_t ctx = {
401 .context = mp->context,
403 dhcp_client_walk (send_dhcp_client_entry, &ctx);
407 vl_api_dhcp6_clients_enable_disable_t_handler
408 (vl_api_dhcp6_clients_enable_disable_t * mp)
410 vl_api_dhcp6_clients_enable_disable_reply_t *rmp;
413 dhcp6_clients_enable_disable (mp->enable);
415 REPLY_MACRO (VL_API_DHCP6_CLIENTS_ENABLE_DISABLE_REPLY);
419 vl_api_want_dhcp6_reply_events_t_handler
420 (vl_api_want_dhcp6_reply_events_t * mp)
422 vpe_api_main_t *am = &vpe_api_main;
423 vl_api_want_dhcp6_reply_events_reply_t *rmp;
427 hash_get (am->dhcp6_reply_events_registration_hash, mp->client_index);
428 vpe_client_registration_t *rp;
431 if (mp->enable_disable)
433 clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
434 rv = VNET_API_ERROR_INVALID_REGISTRATION;
439 rp = pool_elt_at_index (am->dhcp6_reply_events_registrations, p[0]);
440 pool_put (am->dhcp6_reply_events_registrations, rp);
441 hash_unset (am->dhcp6_reply_events_registration_hash,
443 if (pool_elts (am->dhcp6_reply_events_registrations) == 0)
444 dhcp6_set_publisher_node (~0, DHCP6_DP_REPORT_MAX);
448 if (mp->enable_disable == 0)
450 clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
451 rv = VNET_API_ERROR_INVALID_REGISTRATION;
454 pool_get (am->dhcp6_reply_events_registrations, rp);
455 rp->client_index = mp->client_index;
456 rp->client_pid = ntohl (mp->pid);
457 hash_set (am->dhcp6_reply_events_registration_hash, rp->client_index,
458 rp - am->dhcp6_reply_events_registrations);
459 dhcp6_set_publisher_node (dhcp6_reply_process_node.index,
460 DHCP6_DP_REPLY_REPORT);
463 REPLY_MACRO (VL_API_WANT_DHCP6_REPLY_EVENTS_REPLY);
467 vl_api_want_dhcp6_pd_reply_events_t_handler
468 (vl_api_want_dhcp6_pd_reply_events_t * mp)
470 vpe_api_main_t *am = &vpe_api_main;
471 vl_api_want_dhcp6_pd_reply_events_reply_t *rmp;
475 hash_get (am->dhcp6_pd_reply_events_registration_hash, mp->client_index);
476 vpe_client_registration_t *rp;
479 if (mp->enable_disable)
481 clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
482 rv = VNET_API_ERROR_INVALID_REGISTRATION;
488 pool_elt_at_index (am->dhcp6_pd_reply_events_registrations, p[0]);
489 pool_put (am->dhcp6_pd_reply_events_registrations, rp);
490 hash_unset (am->dhcp6_pd_reply_events_registration_hash,
492 if (pool_elts (am->dhcp6_pd_reply_events_registrations) == 0)
493 dhcp6_pd_set_publisher_node (~0, DHCP6_PD_DP_REPORT_MAX);
497 if (mp->enable_disable == 0)
499 clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
500 rv = VNET_API_ERROR_INVALID_REGISTRATION;
503 pool_get (am->dhcp6_pd_reply_events_registrations, rp);
504 rp->client_index = mp->client_index;
505 rp->client_pid = ntohl (mp->pid);
506 hash_set (am->dhcp6_pd_reply_events_registration_hash, rp->client_index,
507 rp - am->dhcp6_pd_reply_events_registrations);
508 dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index,
509 DHCP6_PD_DP_REPLY_REPORT);
512 REPLY_MACRO (VL_API_WANT_DHCP6_PD_REPLY_EVENTS_REPLY);
516 vl_api_dhcp6_send_client_message_t_handler
517 (vl_api_dhcp6_send_client_message_t * mp)
519 vl_api_dhcp6_send_client_message_reply_t *rmp;
520 dhcp6_send_client_message_params_t params;
521 vlib_main_t *vm = vlib_get_main ();
526 VALIDATE_SW_IF_INDEX (mp);
528 BAD_SW_IF_INDEX_LABEL;
529 REPLY_MACRO (VL_API_DHCP6_SEND_CLIENT_MESSAGE_REPLY);
534 params.sw_if_index = ntohl (mp->sw_if_index);
535 params.server_index = ntohl (mp->server_index);
536 params.irt = ntohl (mp->irt);
537 params.mrt = ntohl (mp->mrt);
538 params.mrc = ntohl (mp->mrc);
539 params.mrd = ntohl (mp->mrd);
540 params.msg_type = ntohl (mp->msg_type);
541 params.T1 = ntohl (mp->T1);
542 params.T2 = ntohl (mp->T2);
543 n_addresses = ntohl (mp->n_addresses);
544 params.addresses = 0;
546 vec_validate (params.addresses, n_addresses - 1);
547 for (i = 0; i < n_addresses; i++)
549 vl_api_dhcp6_address_info_t *ai = &mp->addresses[i];
550 dhcp6_send_client_message_params_address_t *addr = ¶ms.addresses[i];
551 addr->preferred_lt = ntohl (ai->preferred_time);
552 addr->valid_lt = ntohl (ai->valid_time);
553 ip6_address_decode (ai->address, &addr->address);
556 dhcp6_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop, ¶ms);
560 vl_api_dhcp6_pd_send_client_message_t_handler
561 (vl_api_dhcp6_pd_send_client_message_t * mp)
563 vl_api_dhcp6_pd_send_client_message_reply_t *rmp;
564 dhcp6_pd_send_client_message_params_t params;
565 vlib_main_t *vm = vlib_get_main ();
570 VALIDATE_SW_IF_INDEX (mp);
572 BAD_SW_IF_INDEX_LABEL;
573 REPLY_MACRO (VL_API_DHCP6_PD_SEND_CLIENT_MESSAGE_REPLY);
578 params.sw_if_index = ntohl (mp->sw_if_index);
579 params.server_index = ntohl (mp->server_index);
580 params.irt = ntohl (mp->irt);
581 params.mrt = ntohl (mp->mrt);
582 params.mrc = ntohl (mp->mrc);
583 params.mrd = ntohl (mp->mrd);
584 params.msg_type = ntohl (mp->msg_type);
585 params.T1 = ntohl (mp->T1);
586 params.T2 = ntohl (mp->T2);
587 n_prefixes = ntohl (mp->n_prefixes);
590 vec_validate (params.prefixes, n_prefixes - 1);
591 for (i = 0; i < n_prefixes; i++)
593 vl_api_dhcp6_pd_prefix_info_t *pi = &mp->prefixes[i];
594 dhcp6_pd_send_client_message_params_prefix_t *pref =
596 pref->preferred_lt = ntohl (pi->preferred_time);
597 pref->valid_lt = ntohl (pi->valid_time);
598 ip6_address_decode (pi->prefix.address, &pref->prefix);
599 pref->prefix_length = pi->prefix.len;
602 dhcp6_pd_send_client_message (vm, ntohl (mp->sw_if_index), mp->stop,
606 static clib_error_t *
607 call_dhcp6_reply_event_callbacks (void *data,
608 _vnet_dhcp6_reply_event_function_list_elt_t
611 clib_error_t *error = 0;
615 error = elt->fp (data);
618 elt = elt->next_dhcp6_reply_event_function;
625 dhcp6_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
628 /* These cross the longjmp boundary (vlib_process_wait_for_event)
629 * and need to be volatile - to prevent them from being optimized into
630 * a register - which could change during suspension */
634 vlib_process_wait_for_event (vm);
635 uword event_type = DHCP6_DP_REPLY_REPORT;
636 void *event_data = vlib_process_get_event_data (vm, &event_type);
639 if (event_type == DHCP6_DP_REPLY_REPORT)
641 address_report_t *events = event_data;
642 for (i = 0; i < vec_len (events); i++)
645 sizeof (vl_api_dhcp6_reply_event_t) +
646 vec_len (events[i].addresses) *
647 sizeof (vl_api_dhcp6_address_info_t);
648 vl_api_dhcp6_reply_event_t *event = clib_mem_alloc (event_size);
649 clib_memset (event, 0, event_size);
651 event->sw_if_index = htonl (events[i].body.sw_if_index);
652 event->server_index = htonl (events[i].body.server_index);
653 event->msg_type = events[i].body.msg_type;
654 event->T1 = htonl (events[i].body.T1);
655 event->T2 = htonl (events[i].body.T2);
656 event->inner_status_code =
657 htons (events[i].body.inner_status_code);
658 event->status_code = htons (events[i].body.status_code);
659 event->preference = events[i].body.preference;
661 event->n_addresses = htonl (vec_len (events[i].addresses));
662 vl_api_dhcp6_address_info_t *address =
663 (typeof (address)) event->addresses;
665 for (j = 0; j < vec_len (events[i].addresses); j++)
667 dhcp6_address_info_t *info = &events[i].addresses[j];
668 ip6_address_encode (&info->address, address->address);
669 address->valid_time = htonl (info->valid_time);
670 address->preferred_time = htonl (info->preferred_time);
673 vec_free (events[i].addresses);
675 dhcp6_ia_na_client_public_main_t *dcpm =
676 &dhcp6_ia_na_client_public_main;
677 call_dhcp6_reply_event_callbacks (event, dcpm->functions);
679 vpe_client_registration_t *reg;
681 pool_foreach(reg, vpe_api_main.dhcp6_reply_events_registrations,
683 vl_api_registration_t *vl_reg;
685 vl_api_client_index_to_registration (reg->client_index);
686 if (vl_reg && vl_api_can_send_msg (vl_reg))
688 vl_api_dhcp6_reply_event_t *msg =
689 vl_msg_api_alloc (event_size);
690 clib_memcpy (msg, event, event_size);
691 msg->_vl_msg_id = htons (VL_API_DHCP6_REPLY_EVENT + REPLY_MSG_ID_BASE);
692 msg->client_index = reg->client_index;
693 msg->pid = reg->client_pid;
694 vl_api_send_msg (vl_reg, (u8 *) msg);
699 clib_mem_free (event);
702 vlib_process_put_event_data (vm, event_data);
709 VLIB_REGISTER_NODE (dhcp6_reply_process_node) = {
710 .function = dhcp6_reply_process,
711 .type = VLIB_NODE_TYPE_PROCESS,
712 .name = "dhcp6-reply-publisher-process",
716 static clib_error_t *
717 call_dhcp6_pd_reply_event_callbacks (void *data,
718 _vnet_dhcp6_pd_reply_event_function_list_elt_t
721 clib_error_t *error = 0;
725 error = elt->fp (data);
728 elt = elt->next_dhcp6_pd_reply_event_function;
735 dhcp6_pd_reply_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
738 /* These cross the longjmp boundary (vlib_process_wait_for_event)
739 * and need to be volatile - to prevent them from being optimized into
740 * a register - which could change during suspension */
744 vlib_process_wait_for_event (vm);
745 uword event_type = DHCP6_PD_DP_REPLY_REPORT;
746 void *event_data = vlib_process_get_event_data (vm, &event_type);
749 if (event_type == DHCP6_PD_DP_REPLY_REPORT)
751 prefix_report_t *events = event_data;
752 for (i = 0; i < vec_len (events); i++)
755 sizeof (vl_api_dhcp6_pd_reply_event_t) +
756 vec_len (events[i].prefixes) *
757 sizeof (vl_api_dhcp6_pd_prefix_info_t);
758 vl_api_dhcp6_pd_reply_event_t *event =
759 clib_mem_alloc (event_size);
760 clib_memset (event, 0, event_size);
762 event->sw_if_index = htonl (events[i].body.sw_if_index);
763 event->server_index = htonl (events[i].body.server_index);
764 event->msg_type = events[i].body.msg_type;
765 event->T1 = htonl (events[i].body.T1);
766 event->T2 = htonl (events[i].body.T2);
767 event->inner_status_code =
768 htons (events[i].body.inner_status_code);
769 event->status_code = htons (events[i].body.status_code);
770 event->preference = events[i].body.preference;
772 event->n_prefixes = htonl (vec_len (events[i].prefixes));
773 vl_api_dhcp6_pd_prefix_info_t *prefix =
774 (typeof (prefix)) event->prefixes;
776 for (j = 0; j < vec_len (events[i].prefixes); j++)
778 dhcp6_prefix_info_t *info = &events[i].prefixes[j];
779 ip6_address_encode (&info->prefix, prefix->prefix.address);
780 prefix->prefix.len = info->prefix_length;
781 prefix->valid_time = htonl (info->valid_time);
782 prefix->preferred_time = htonl (info->preferred_time);
785 vec_free (events[i].prefixes);
787 dhcp6_pd_client_public_main_t *dpcpm =
788 &dhcp6_pd_client_public_main;
789 call_dhcp6_pd_reply_event_callbacks (event, dpcpm->functions);
791 vpe_client_registration_t *reg;
793 pool_foreach(reg, vpe_api_main.dhcp6_pd_reply_events_registrations,
795 vl_api_registration_t *vl_reg;
797 vl_api_client_index_to_registration (reg->client_index);
798 if (vl_reg && vl_api_can_send_msg (vl_reg))
800 vl_api_dhcp6_pd_reply_event_t *msg =
801 vl_msg_api_alloc (event_size);
802 clib_memcpy (msg, event, event_size);
803 msg->_vl_msg_id = htons (VL_API_DHCP6_PD_REPLY_EVENT + REPLY_MSG_ID_BASE);
804 msg->client_index = reg->client_index;
805 msg->pid = reg->client_pid;
806 vl_api_send_msg (vl_reg, (u8 *) msg);
811 clib_mem_free (event);
814 vlib_process_put_event_data (vm, event_data);
821 VLIB_REGISTER_NODE (dhcp6_pd_reply_process_node) = {
822 .function = dhcp6_pd_reply_process,
823 .type = VLIB_NODE_TYPE_PROCESS,
824 .name = "dhcp6-pd-reply-publisher-process",
830 * Add vpe's API message handlers to the table.
831 * vlib has already mapped shared memory and
832 * added the client registration handlers.
833 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
835 #include <dhcp/dhcp.api.c>
837 static clib_error_t *
838 dhcp_api_hookup (vlib_main_t * vm)
841 * Set up the (msg_name, crc, message-id) table
843 dhcp_base_msg_id = setup_message_id_table ();
845 dhcp6_pd_set_publisher_node (dhcp6_pd_reply_process_node.index,
846 DHCP6_PD_DP_REPLY_REPORT);
847 dhcp6_set_publisher_node (dhcp6_reply_process_node.index,
848 DHCP6_DP_REPLY_REPORT);
853 VLIB_API_INIT_FUNCTION (dhcp_api_hookup);
855 #include <vlib/unix/plugin.h>
856 #include <vpp/app/version.h>
859 VLIB_PLUGIN_REGISTER () = {
860 .version = VPP_BUILD_VER,
861 .description = "Dynamic Host Configuration Protocol (DHCP)",
866 * fd.io coding-style-patch-verification: ON
869 * eval: (c-set-style "gnu")