2 *------------------------------------------------------------------
3 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #ifndef VAPI_INTERNAL_H
19 #define VAPI_INTERNAL_H
22 #include <vppinfra/types.h>
25 * @file vapi_internal.h
27 * internal vpp api C declarations
29 * This file contains internal vpp api C declarations. It's not intended to be
30 * used by the client programmer and the API defined here might change at any
36 typedef struct __attribute__ ((__packed__))
40 } vapi_type_msg_header1_t;
42 typedef struct __attribute__ ((__packed__))
47 } vapi_type_msg_header2_t;
50 vapi_type_msg_header1_t_hton (vapi_type_msg_header1_t * h)
52 h->_vl_msg_id = htobe16 (h->_vl_msg_id);
56 vapi_type_msg_header1_t_ntoh (vapi_type_msg_header1_t * h)
58 h->_vl_msg_id = be16toh (h->_vl_msg_id);
62 vapi_type_msg_header2_t_hton (vapi_type_msg_header2_t * h)
64 h->_vl_msg_id = htobe16 (h->_vl_msg_id);
68 vapi_type_msg_header2_t_ntoh (vapi_type_msg_header2_t * h)
70 h->_vl_msg_id = be16toh (h->_vl_msg_id);
76 typedef vapi_error_e (*vapi_cb_t) (struct vapi_ctx_s *, void *, vapi_error_e,
79 typedef void (*generic_swap_fn_t) (void *payload);
85 const char *name_with_crc;
86 size_t name_with_crc_len;
88 size_t context_offset;
89 size_t payload_offset;
91 generic_swap_fn_t swap_to_be;
92 generic_swap_fn_t swap_to_host;
93 vapi_msg_id_t id; /* assigned at run-time */
94 } vapi_message_desc_t;
101 void (*swap_to_be) (void *payload);
102 void (*swap_to_host) (void *payload);
105 extern bool *__vapi_msg_is_with_context;
107 vapi_msg_id_t vapi_register_msg (vapi_message_desc_t * msg);
108 u16 vapi_lookup_vl_msg_id (vapi_ctx_t ctx, vapi_msg_id_t id);
109 int vapi_get_client_index (vapi_ctx_t ctx);
110 bool vapi_is_nonblocking (vapi_ctx_t ctx);
111 bool vapi_requests_full (vapi_ctx_t ctx);
112 size_t vapi_get_request_count (vapi_ctx_t ctx);
113 size_t vapi_get_max_request_count (vapi_ctx_t ctx);
114 u32 vapi_gen_req_context (vapi_ctx_t ctx);
115 void vapi_store_request (vapi_ctx_t ctx, u32 context, bool is_dump,
116 vapi_cb_t callback, void *callback_ctx);
117 int vapi_get_payload_offset (vapi_msg_id_t id);
118 void (*vapi_get_swap_to_host_func (vapi_msg_id_t id)) (void *payload);
119 void (*vapi_get_swap_to_be_func (vapi_msg_id_t id)) (void *payload);
120 size_t vapi_get_message_size (vapi_msg_id_t id);
121 size_t vapi_get_context_offset (vapi_msg_id_t id);
123 vapi_error_e vapi_producer_lock (vapi_ctx_t ctx);
124 vapi_error_e vapi_producer_unlock (vapi_ctx_t ctx);