1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
</*
*------------------------------------------------------------------
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#ifndef VAPI_INTERNAL_H
#define VAPI_INTERNAL_H
#include <endian.h>
#include <string.h>
#include <vppinfra/types.h>
/**
* @file vapi_internal.h
*
* internal vpp api C declarations
*
* This file contains internal vpp api C declarations. It's not intended to be
* used by the client programmer and the API defined here might change at any
* time..
*/
#ifdef __cplusplus
extern "C" {
#endif
struct vapi_ctx_s;
typedef struct __attribute__ ((__packed__))
{
u16 _vl_msg_id;
u32 context;
} vapi_type_msg_header1_t;
typedef struct __attribute__ ((__packed__))
{
u16 _vl_msg_id;
u32 client_index;
u32 context;
} vapi_type_msg_header2_t;
static inline void
vapi_type_msg_header1_t_hton (vapi_type_msg_header1_t * h)
{
h->_vl_msg_id = htobe16 (h->_vl_msg_id);
}
static inline void
vapi_type_msg_header1_t_ntoh (vapi_type_msg_header1_t * h)
{
h->_vl_msg_id = be16toh (h->_vl_msg_id);
}
static inline void
vapi_type_msg_header2_t_hton (vapi_type_msg_header2_t * h)
{
h->_vl_msg_id = htobe16 (h->_vl_msg_id);
}
static inline void
vapi_type_msg_header2_t_ntoh (vapi_type_msg_header2_t * h)
{
h->_vl_msg_id = be16toh (h->_vl_msg_id);
}
#include <vapi/vapi.h>
typedef vapi_error_e (*vapi_cb_t) (struct vapi_ctx_s *, void *, vapi_error_e,
bool, void *);
typedef void (*generic_swap_fn_t) (void *payload);
typedef int (*verify_msg_size_fn_t) (void *msg, uword buf_size);
typedef struct
{
const char *name;
size_t name_len;
const char *name_with_crc;
size_t name_with_crc_len;
bool has_context;
unsigned int context_offset;
unsigned int payload_offset;
verify_msg_size_fn_t verify_msg_size;
generic_swap_fn_t swap_to_be;
generic_swap_fn_t swap_to_host;
vapi_msg_id_t id; /* assigned at run-time */
} vapi_message_desc_t;
typedef struct
{
const char *name;
int payload_offset;
size_t size;
void (*swap_to_be) (void *payload);
void (*swap_to_host) (void *payload);
} vapi_event_desc_t;
vapi_msg_id_t vapi_register_msg (vapi_message_desc_t * msg);
u16 vapi_lookup_vl_msg_id (vapi_ctx_t ctx, vapi_msg_id_t id);
vapi_msg_id_t vapi_lookup_vapi_msg_id_t (vapi_ctx_t ctx, u16 vl_msg_id);
int vapi_get_client_index (vapi_ctx_t ctx);
bool vapi_is_nonblocking (vapi_ctx_t ctx);
bool vapi_requests_empty (vapi_ctx_t ctx);
bool vapi_requests_full (vapi_ctx_t ctx);
size_t vapi_get_request_count (vapi_ctx_t ctx);
size_t vapi_get_max_request_count (vapi_ctx_t ctx);
u32 vapi_gen_req_context (vapi_ctx_t ctx);
enum vapi_request_type
{
VAPI_REQUEST_REG = 0,
VAPI_REQUEST_DUMP = 1,
VAPI_REQUEST_STREAM = 2,
};
void vapi_store_request (vapi_ctx_t ctx, u32 context,
vapi_msg_id_t response_id,
enum vapi_request_type type, vapi_cb_t callback,
void *callback_ctx);
int vapi_get_payload_offset (vapi_msg_id_t id);
void (*vapi_get_swap_to_host_func (vapi_msg_id_t id)) (void *payload);
void (*vapi_get_swap_to_be_func (vapi_msg_id_t id)) (void *payload);
size_t vapi_get_context_offset (vapi_msg_id_t id);
bool vapi_msg_is_with_context (vapi_msg_id_t id);
size_t vapi_get_message_count();
const char *vapi_get_msg_name(vapi_msg_id_t id);
vapi_error_e vapi_producer_lock (vapi_ctx_t ctx);
vapi_error_e vapi_producer_unlock (vapi_ctx_t ctx);
#ifdef __cplusplus
}
#endif
#endif
|
