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 <vnet/dhcp/proxy.h>
26 #include <vnet/dhcp/client.h>
27 #include <vnet/dhcpv6/proxy.h>
29 #include <vnet/vnet_msg_enum.h>
31 #define vl_typedefs /* define message structures */
32 #include <vnet/vnet_all_api_h.h>
35 #define vl_endianfun /* define message structures */
36 #include <vnet/vnet_all_api_h.h>
39 /* instantiate all the print functions we know about */
40 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
42 #include <vnet/vnet_all_api_h.h>
45 #include <vlibapi/api_helper_macros.h>
47 #define foreach_vpe_api_msg \
48 _(DHCP_PROXY_CONFIG,dhcp_proxy_config) \
49 _(DHCP_PROXY_DUMP,dhcp_proxy_dump) \
50 _(DHCP_PROXY_DETAILS,dhcp_proxy_details) \
51 _(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss) \
52 _(DHCP_CLIENT_CONFIG, dhcp_client_config)
55 dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t * mp)
57 vl_api_dhcp_proxy_config_reply_t *rmp;
60 rv = dhcp_proxy_set_server ((ip4_address_t *) (&mp->dhcp_server),
61 (ip4_address_t *) (&mp->dhcp_src_address),
62 (u32) ntohl (mp->rx_vrf_id),
63 (u32) ntohl (mp->server_vrf_id),
64 (int) (mp->is_add == 0));
66 REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
71 dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t * mp)
73 vl_api_dhcp_proxy_config_reply_t *rmp;
76 rv = dhcpv6_proxy_set_server ((ip6_address_t *) (&mp->dhcp_server),
77 (ip6_address_t *) (&mp->dhcp_src_address),
78 (u32) ntohl (mp->rx_vrf_id),
79 (u32) ntohl (mp->server_vrf_id),
80 (int) (mp->is_add == 0));
82 REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
87 vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
89 vl_api_dhcp_proxy_set_vss_reply_t *rmp;
92 rv = dhcp_proxy_set_option82_vss (ntohl (mp->tbl_id),
95 (int) mp->is_add == 0);
97 rv = dhcpv6_proxy_set_vss (ntohl (mp->tbl_id),
99 ntohl (mp->fib_id), (int) mp->is_add == 0);
101 REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
105 static void vl_api_dhcp_proxy_config_t_handler
106 (vl_api_dhcp_proxy_config_t * mp)
108 if (mp->is_ipv6 == 0)
109 dhcpv4_proxy_config (mp);
111 dhcpv6_proxy_config (mp);
115 vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp)
117 unix_shared_memory_queue_t *q;
119 q = vl_api_client_index_to_input_queue (mp->client_index);
124 dhcp_proxy_dump (q, mp->context);
126 dhcpv6_proxy_dump (q, mp->context);
130 dhcp_send_details (void *opaque,
132 const ip46_address_t * server,
133 const ip46_address_t * src,
135 u32 rx_fib_id, u32 vss_fib_id, u32 vss_oui)
137 vl_api_dhcp_proxy_details_t *mp;
138 unix_shared_memory_queue_t *q = opaque;
140 mp = vl_msg_api_alloc (sizeof (*mp));
143 memset (mp, 0, sizeof (*mp));
144 mp->_vl_msg_id = ntohs (VL_API_DHCP_PROXY_DETAILS);
145 mp->context = context;
147 mp->rx_vrf_id = htonl (rx_fib_id);
148 mp->server_vrf_id = htonl (server_fib_id);
149 mp->vss_oui = htonl (vss_oui);
150 mp->vss_fib_id = htonl (vss_fib_id);
152 mp->is_ipv6 = !ip46_address_is_ip4 (server);
156 memcpy (mp->dhcp_server, server, 16);
157 memcpy (mp->dhcp_src_address, src, 16);
161 /* put the address in the first bytes */
162 memcpy (mp->dhcp_server, &server->ip4, 4);
163 memcpy (mp->dhcp_src_address, &src->ip4, 4);
165 vl_msg_api_send_shmem (q, (u8 *) & mp);
170 vl_api_dhcp_proxy_details_t_handler (vl_api_dhcp_proxy_details_t * mp)
172 clib_warning ("BUG");
176 dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname,
177 u8 is_ipv6, u8 * host_address, u8 * router_address,
180 unix_shared_memory_queue_t *q;
181 vl_api_dhcp_compl_event_t *mp;
183 q = vl_api_client_index_to_input_queue (client_index);
187 mp = vl_msg_api_alloc (sizeof (*mp));
188 mp->client_index = client_index;
190 mp->is_ipv6 = is_ipv6;
191 clib_memcpy (&mp->hostname, hostname, vec_len (hostname));
192 mp->hostname[vec_len (hostname) + 1] = '\n';
193 clib_memcpy (&mp->host_address[0], host_address, 16);
194 clib_memcpy (&mp->router_address[0], router_address, 16);
196 if (NULL != host_mac)
197 clib_memcpy (&mp->host_mac[0], host_mac, 6);
199 mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT);
201 vl_msg_api_send_shmem (q, (u8 *) & mp);
204 static void vl_api_dhcp_client_config_t_handler
205 (vl_api_dhcp_client_config_t * mp)
207 vlib_main_t *vm = vlib_get_main ();
208 vl_api_dhcp_client_config_reply_t *rmp;
211 VALIDATE_SW_IF_INDEX (mp);
213 rv = dhcp_client_config (vm, ntohl (mp->sw_if_index),
214 mp->hostname, mp->is_add, mp->client_index,
215 mp->want_dhcp_event ? dhcp_compl_event_callback :
218 BAD_SW_IF_INDEX_LABEL;
220 REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY);
225 * Add vpe's API message handlers to the table.
226 * vlib has alread mapped shared memory and
227 * added the client registration handlers.
228 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
230 #define vl_msg_name_crc_list
231 #include <vnet/vnet_all_api_h.h>
232 #undef vl_msg_name_crc_list
235 setup_message_id_table (api_main_t * am)
237 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
238 foreach_vl_msg_name_crc_dhcp;
242 static clib_error_t *
243 dhcp_api_hookup (vlib_main_t * vm)
245 api_main_t *am = &api_main;
248 vl_msg_api_set_handlers(VL_API_##N, #n, \
249 vl_api_##n##_t_handler, \
251 vl_api_##n##_t_endian, \
252 vl_api_##n##_t_print, \
253 sizeof(vl_api_##n##_t), 1);
258 * Set up the (msg_name, crc, message-id) table
260 setup_message_id_table (am);
265 VLIB_API_INIT_FUNCTION (dhcp_api_hookup);
268 * fd.io coding-style-patch-verification: ON
271 * eval: (c-set-style "gnu")