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
|
/** @file
*
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
*
* Support for Busmaster log file format
* Copyright (c) 2019 by Maksim Salau <maksim.salau@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef SOCKETCAN_H__
#define SOCKETCAN_H__
#include <gmodule.h>
#include <wtap-int.h>
#define CAN_MAX_DLEN 8
#define CANFD_MAX_DLEN 64
typedef enum {
MSG_TYPE_STD,
MSG_TYPE_EXT,
MSG_TYPE_STD_RTR,
MSG_TYPE_EXT_RTR,
MSG_TYPE_STD_FD,
MSG_TYPE_EXT_FD,
MSG_TYPE_ERR,
} wtap_can_msg_type_t;
typedef struct {
uint8_t length;
uint8_t data[CANFD_MAX_DLEN];
} wtap_can_msg_data_t;
typedef struct {
nstime_t ts;
uint32_t id;
wtap_can_msg_type_t type;
uint8_t flags;
wtap_can_msg_data_t data;
unsigned int interface_id;
} wtap_can_msg_t;
#define WTAP_SOCKETCAN_INVALID_INTERFACE_ID 0xFFFFFFFF
/* Setup a wiretap to use SOCKETCAN encapsulation format */
extern void
wtap_set_as_socketcan(wtap* wth, int file_type_subtype, int tsprec, void* tap_priv, void (*tap_close)(void*));
/* Helper function to generate a SOCKETCAN packet from provided CAN data */
extern bool
wtap_socketcan_gen_packet(wtap* wth, wtap_rec* rec, const wtap_can_msg_t* msg, char* module_name, int* err, char** err_info);
/* Find or create a PCAPNG interface block
* Return value is the interface ID used for the packet
*/
extern uint32_t
wtap_socketcan_find_or_create_new_interface(wtap* wth, const char* name);
/* Access to a wiretap's individual private data */
extern void*
wtap_socketcan_get_private_data(wtap* wth);
#endif /* SOCKETCAN_H__ */
|
