2 *------------------------------------------------------------------
3 * punt_api.c - Punt 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>
22 #include <vnet/ip/punt.h>
23 #include <vnet/ip/ip_types_api.h>
24 #include <vlibapi/api_types_inlines.h>
26 #include <vnet/vnet_msg_enum.h>
28 #define vl_typedefs /* define message structures */
29 #include <vnet/vnet_all_api_h.h>
32 #define vl_endianfun /* define message structures */
33 #include <vnet/vnet_all_api_h.h>
36 /* instantiate all the print functions we know about */
37 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
39 #include <vnet/vnet_all_api_h.h>
42 #include <vlibapi/api_helper_macros.h>
44 #define foreach_punt_api_msg \
45 _(SET_PUNT, set_punt) \
46 _(PUNT_SOCKET_REGISTER, punt_socket_register) \
47 _(PUNT_SOCKET_DEREGISTER, punt_socket_deregister) \
48 _(PUNT_SOCKET_DUMP, punt_socket_dump) \
49 _(PUNT_REASON_DUMP, punt_reason_dump)
52 vl_api_punt_type_decode (vl_api_punt_type_t in, punt_type_t * out)
54 in = clib_net_to_host_u32 (in);
59 case PUNT_API_TYPE_##v: \
60 *out = PUNT_TYPE_##v; \
69 static vl_api_punt_type_t
70 vl_api_punt_type_encode (punt_type_t in)
72 vl_api_punt_type_t pt = PUNT_API_TYPE_L4;
78 pt = PUNT_API_TYPE_##v; \
84 return (clib_host_to_net_u32 (pt));
88 vl_api_punt_l4_decode (const vl_api_punt_l4_t * in, punt_l4_t * out)
92 rv = ip_address_family_decode (in->af, &out->af);
93 rv += ip_proto_decode (in->protocol, &out->protocol);
94 out->port = clib_net_to_host_u16 (in->port);
100 vl_api_punt_ip_proto_decode (const vl_api_punt_ip_proto_t * in,
101 punt_ip_proto_t * out)
105 rv = ip_address_family_decode (in->af, &out->af);
106 rv += ip_proto_decode (in->protocol, &out->protocol);
112 vl_api_punt_exception_decode (const vl_api_punt_exception_t * in,
113 punt_exception_t * out)
117 out->reason = clib_net_to_host_u32 (in->id);
118 rv = vlib_punt_reason_validate (out->reason);
124 vl_api_punt_decode (const vl_api_punt_t * in, punt_reg_t * out)
128 rv = vl_api_punt_type_decode (in->type, &out->type);
136 return (vl_api_punt_l4_decode (&in->punt.l4, &out->punt.l4));
137 case PUNT_TYPE_EXCEPTION:
138 return (vl_api_punt_exception_decode (&in->punt.exception,
139 &out->punt.exception));
140 case PUNT_TYPE_IP_PROTO:
141 return (vl_api_punt_ip_proto_decode (&in->punt.ip_proto,
142 &out->punt.ip_proto));
149 vl_api_punt_l4_encode (const punt_l4_t * in, vl_api_punt_l4_t * out)
151 out->af = ip_address_family_encode (in->af);
152 out->protocol = ip_proto_encode (in->protocol);
153 out->port = clib_net_to_host_u16 (in->port);
157 vl_api_punt_ip_proto_encode (const punt_ip_proto_t * in,
158 vl_api_punt_ip_proto_t * out)
160 out->af = ip_address_family_encode (in->af);
161 out->protocol = ip_proto_encode (in->protocol);
165 vl_api_punt_exception_encode (const punt_exception_t * in,
166 vl_api_punt_exception_t * out)
168 out->id = clib_host_to_net_u32 (in->reason);
172 vl_api_punt_encode (const punt_reg_t * in, vl_api_punt_t * out)
174 out->type = vl_api_punt_type_encode (in->type);
179 vl_api_punt_l4_encode (&in->punt.l4, &out->punt.l4);
181 case PUNT_TYPE_IP_PROTO:
182 vl_api_punt_ip_proto_encode (&in->punt.ip_proto, &out->punt.ip_proto);
184 case PUNT_TYPE_EXCEPTION:
185 vl_api_punt_exception_encode (&in->punt.exception,
186 &out->punt.exception);
192 vl_api_set_punt_t_handler (vl_api_set_punt_t * mp)
194 vl_api_set_punt_reply_t *rmp;
195 vlib_main_t *vm = vlib_get_main ();
200 rv = vl_api_punt_decode (&mp->punt, &pr);
205 error = vnet_punt_add_del (vm, &pr, mp->is_add);
209 clib_error_report (error);
213 REPLY_MACRO (VL_API_SET_PUNT_REPLY);
217 vl_api_punt_socket_register_t_handler (vl_api_punt_socket_register_t * mp)
219 vl_api_punt_socket_register_reply_t *rmp;
220 vlib_main_t *vm = vlib_get_main ();
225 rv = vl_api_punt_decode (&mp->punt, &pr);
230 error = vnet_punt_socket_add (vm, ntohl (mp->header_version),
231 &pr, (char *) mp->pathname);
235 clib_error_report (error);
238 char *p = vnet_punt_get_server_pathname ();
241 REPLY_MACRO2 (VL_API_PUNT_SOCKET_REGISTER_REPLY,
243 memcpy ((char *) rmp->pathname, p, sizeof (rmp->pathname));
248 typedef struct punt_socket_send_ctx_t_
250 vl_api_registration_t *reg;
252 } punt_socket_send_ctx_t;
255 vl_api_punt_socket_send_details (const punt_client_t * pc, void *args)
257 punt_socket_send_ctx_t *ctx = args;
258 vl_api_punt_socket_details_t *mp;
260 mp = vl_msg_api_alloc (sizeof (*mp));
264 clib_memset (mp, 0, sizeof (*mp));
265 mp->_vl_msg_id = ntohs (VL_API_PUNT_SOCKET_DETAILS);
266 mp->context = ctx->context;
267 vl_api_punt_encode (&pc->reg, &mp->punt);
268 memcpy (mp->pathname, pc->caddr.sun_path, sizeof (pc->caddr.sun_path));
270 vl_api_send_msg (ctx->reg, (u8 *) mp);
272 return (WALK_CONTINUE);
276 vl_api_punt_socket_dump_t_handler (vl_api_punt_socket_dump_t * mp)
278 vl_api_registration_t *reg;
281 if (0 != vl_api_punt_type_decode (mp->type, &pt))
284 reg = vl_api_client_index_to_registration (mp->client_index);
288 punt_socket_send_ctx_t ctx = {
290 .context = mp->context,
293 punt_client_walk (pt, vl_api_punt_socket_send_details, &ctx);
297 vl_api_punt_socket_deregister_t_handler (vl_api_punt_socket_deregister_t * mp)
299 vl_api_punt_socket_deregister_reply_t *rmp;
300 vlib_main_t *vm = vlib_get_main ();
305 rv = vl_api_punt_decode (&mp->punt, &pr);
310 error = vnet_punt_socket_del (vm, &pr);
314 clib_error_report (error);
318 REPLY_MACRO (VL_API_PUNT_SOCKET_DEREGISTER_REPLY);
321 typedef struct punt_reason_dump_walk_ctx_t_
323 vl_api_registration_t *reg;
325 } punt_reason_dump_walk_ctx_t;
328 punt_reason_dump_walk_cb (vlib_punt_reason_t id, const u8 * name, void *args)
330 punt_reason_dump_walk_ctx_t *ctx = args;
331 vl_api_punt_reason_details_t *mp;
333 mp = vl_msg_api_alloc (sizeof (*mp) + vec_len (name));
337 clib_memset (mp, 0, sizeof (*mp));
338 mp->_vl_msg_id = ntohs (VL_API_PUNT_REASON_DETAILS);
340 mp->context = ctx->context;
341 mp->reason.id = clib_host_to_net_u32 (id);
342 vl_api_to_api_string (vec_len (name), (char *) name, &mp->reason.name);
344 vl_api_send_msg (ctx->reg, (u8 *) mp);
350 vl_api_punt_reason_dump_t_handler (vl_api_punt_reason_dump_t * mp)
352 vl_api_registration_t *reg;
354 reg = vl_api_client_index_to_registration (mp->client_index);
358 punt_reason_dump_walk_ctx_t ctx = {
360 .context = mp->context,
363 punt_reason_walk (punt_reason_dump_walk_cb, &ctx);
366 #define vl_msg_name_crc_list
367 #include <vnet/ip/punt.api.h>
368 #undef vl_msg_name_crc_list
371 setup_message_id_table (api_main_t * am)
373 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
374 foreach_vl_msg_name_crc_punt;
378 static clib_error_t *
379 punt_api_hookup (vlib_main_t * vm)
381 api_main_t *am = &api_main;
384 vl_msg_api_set_handlers(VL_API_##N, #n, \
385 vl_api_##n##_t_handler, \
387 vl_api_##n##_t_endian, \
388 vl_api_##n##_t_print, \
389 sizeof(vl_api_##n##_t), 1);
390 foreach_punt_api_msg;
394 * Set up the (msg_name, crc, message-id) table
396 setup_message_id_table (am);
401 VLIB_API_INIT_FUNCTION (punt_api_hookup);
405 * fd.io coding-style-patch-verification: ON
408 * eval: (c-set-style "gnu")