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/dhcp_proxy.h>
26 #include <vnet/dhcp/client.h>
28 #include <vnet/vnet_msg_enum.h>
30 #define vl_typedefs /* define message structures */
31 #include <vnet/vnet_all_api_h.h>
34 #define vl_endianfun /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
41 #include <vnet/vnet_all_api_h.h>
44 #include <vlibapi/api_helper_macros.h>
46 #define foreach_vpe_api_msg \
47 _(DHCP_PROXY_CONFIG,dhcp_proxy_config) \
48 _(DHCP_PROXY_DUMP,dhcp_proxy_dump) \
49 _(DHCP_PROXY_DETAILS,dhcp_proxy_details) \
50 _(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss) \
51 _(DHCP_CLIENT_CONFIG, dhcp_client_config)
55 vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
57 vl_api_dhcp_proxy_set_vss_reply_t *rmp;
60 rv = dhcp_proxy_set_vss ((mp->is_ipv6 ?
65 ntohl (mp->fib_id), (int) mp->is_add == 0);
67 REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
71 static void vl_api_dhcp_proxy_config_t_handler
72 (vl_api_dhcp_proxy_config_t * mp)
74 vl_api_dhcp_proxy_set_vss_reply_t *rmp;
75 ip46_address_t src, server;
80 clib_memcpy (&src.ip6, mp->dhcp_src_address, sizeof (src.ip6));
81 clib_memcpy (&server.ip6, mp->dhcp_server, sizeof (server.ip6));
83 rv = dhcp6_proxy_set_server (&server,
85 (u32) ntohl (mp->rx_vrf_id),
86 (u32) ntohl (mp->server_vrf_id),
87 (int) (mp->is_add == 0));
91 ip46_address_reset (&src);
92 ip46_address_reset (&server);
94 clib_memcpy (&src.ip4, mp->dhcp_src_address, sizeof (src.ip4));
95 clib_memcpy (&server.ip4, mp->dhcp_server, sizeof (server.ip4));
97 rv = dhcp4_proxy_set_server (&server,
99 (u32) ntohl (mp->rx_vrf_id),
100 (u32) ntohl (mp->server_vrf_id),
101 (int) (mp->is_add == 0));
105 REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
109 vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp)
111 unix_shared_memory_queue_t *q;
113 q = vl_api_client_index_to_input_queue (mp->client_index);
117 dhcp_proxy_dump ((mp->is_ip6 == 0 ?
118 FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), q, mp->context);
122 dhcp_send_details (fib_protocol_t proto,
125 const ip46_address_t * server,
126 const ip46_address_t * src,
128 u32 rx_fib_id, u32 vss_fib_id, u32 vss_oui)
130 vl_api_dhcp_proxy_details_t *mp;
131 unix_shared_memory_queue_t *q = opaque;
133 mp = vl_msg_api_alloc (sizeof (*mp));
136 memset (mp, 0, sizeof (*mp));
137 mp->_vl_msg_id = ntohs (VL_API_DHCP_PROXY_DETAILS);
138 mp->context = context;
140 mp->rx_vrf_id = htonl (rx_fib_id);
141 mp->server_vrf_id = htonl (server_fib_id);
142 mp->vss_oui = htonl (vss_oui);
143 mp->vss_fib_id = htonl (vss_fib_id);
145 mp->is_ipv6 = (proto == FIB_PROTOCOL_IP6);
149 memcpy (mp->dhcp_server, server, 16);
150 memcpy (mp->dhcp_src_address, src, 16);
154 /* put the address in the first bytes */
155 memcpy (mp->dhcp_server, &server->ip4, 4);
156 memcpy (mp->dhcp_src_address, &src->ip4, 4);
158 vl_msg_api_send_shmem (q, (u8 *) & mp);
163 vl_api_dhcp_proxy_details_t_handler (vl_api_dhcp_proxy_details_t * mp)
165 clib_warning ("BUG");
169 dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname,
170 u8 is_ipv6, u8 * host_address, u8 * router_address,
173 unix_shared_memory_queue_t *q;
174 vl_api_dhcp_compl_event_t *mp;
176 q = vl_api_client_index_to_input_queue (client_index);
180 mp = vl_msg_api_alloc (sizeof (*mp));
181 mp->client_index = client_index;
183 mp->is_ipv6 = is_ipv6;
184 clib_memcpy (&mp->hostname, hostname, vec_len (hostname));
185 mp->hostname[vec_len (hostname) + 1] = '\n';
186 clib_memcpy (&mp->host_address[0], host_address, 16);
187 clib_memcpy (&mp->router_address[0], router_address, 16);
189 if (NULL != host_mac)
190 clib_memcpy (&mp->host_mac[0], host_mac, 6);
192 mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT);
194 vl_msg_api_send_shmem (q, (u8 *) & mp);
197 static void vl_api_dhcp_client_config_t_handler
198 (vl_api_dhcp_client_config_t * mp)
200 vlib_main_t *vm = vlib_get_main ();
201 vl_api_dhcp_client_config_reply_t *rmp;
204 VALIDATE_SW_IF_INDEX (mp);
206 rv = dhcp_client_config (vm, ntohl (mp->sw_if_index),
207 mp->hostname, mp->is_add, mp->client_index,
208 mp->want_dhcp_event ? dhcp_compl_event_callback :
211 BAD_SW_IF_INDEX_LABEL;
213 REPLY_MACRO (VL_API_DHCP_CLIENT_CONFIG_REPLY);
218 * Add vpe's API message handlers to the table.
219 * vlib has alread mapped shared memory and
220 * added the client registration handlers.
221 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
223 #define vl_msg_name_crc_list
224 #include <vnet/vnet_all_api_h.h>
225 #undef vl_msg_name_crc_list
228 setup_message_id_table (api_main_t * am)
230 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
231 foreach_vl_msg_name_crc_dhcp;
235 static clib_error_t *
236 dhcp_api_hookup (vlib_main_t * vm)
238 api_main_t *am = &api_main;
241 vl_msg_api_set_handlers(VL_API_##N, #n, \
242 vl_api_##n##_t_handler, \
244 vl_api_##n##_t_endian, \
245 vl_api_##n##_t_print, \
246 sizeof(vl_api_##n##_t), 1);
251 * Set up the (msg_name, crc, message-id) table
253 setup_message_id_table (am);
258 VLIB_API_INIT_FUNCTION (dhcp_api_hookup);
261 * fd.io coding-style-patch-verification: ON
264 * eval: (c-set-style "gnu")