Zephyr API Documentation 3.7.99
A Scalable Open Source RTOS
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socketcan.h
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1
7/*
8 * Copyright (c) 2019 Intel Corporation
9 *
10 * SPDX-License-Identifier: Apache-2.0
11 */
12
13#ifndef ZEPHYR_INCLUDE_NET_SOCKETCAN_H_
14#define ZEPHYR_INCLUDE_NET_SOCKETCAN_H_
15
16#include <zephyr/types.h>
17#include <zephyr/net/net_ip.h>
18#include <zephyr/net/net_if.h>
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
34#define CAN_RAW 1
35
38/* SocketCAN options */
39#define SOL_CAN_BASE 100
40#define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)
41
42enum {
43 CAN_RAW_FILTER = 1,
44};
45
48/* SocketCAN MTU size compatible with Linux */
49#ifdef CONFIG_CAN_FD_MODE
51#define SOCKETCAN_MAX_DLEN 64U
53#define CANFD_MTU (sizeof(struct socketcan_frame))
55#define CAN_MTU (CANFD_MTU - 56U)
56#else /* CONFIG_CAN_FD_MODE */
58#define SOCKETCAN_MAX_DLEN 8U
60#define CAN_MTU (sizeof(struct socketcan_frame))
61#endif /* !CONFIG_CAN_FD_MODE */
62
63/* CAN FD specific flags from Linux Kernel (include/uapi/linux/can.h) */
64#define CANFD_BRS 0x01
65#define CANFD_ESI 0x02
66#define CANFD_FDF 0x04
76
108
120 uint8_t res0; /* reserved/padding. */
121 uint8_t res1; /* reserved/padding. */
126};
127
141
148#ifdef __cplusplus
149}
150#endif
151
152#endif /* ZEPHYR_INCLUDE_NET_SOCKETCAN_H_ */
unsigned short int sa_family_t
Socket address family type.
Definition net_ip.h:167
uint32_t socketcan_id_t
CAN Identifier structure for Linux SocketCAN compatibility.
Definition socketcan.h:107
#define SOCKETCAN_MAX_DLEN
SocketCAN max data length.
Definition socketcan.h:58
Public API for network interface.
IPv6 and IPv4 definitions.
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__UINT8_TYPE__ uint8_t
Definition stdint.h:88
struct sockaddr_can - The sockaddr structure for CAN sockets
Definition socketcan.h:72
sa_family_t can_family
Address family.
Definition socketcan.h:73
int can_ifindex
SocketCAN network interface index.
Definition socketcan.h:74
CAN filter for Linux SocketCAN compatibility.
Definition socketcan.h:133
socketcan_id_t can_mask
The mask applied to can_id for matching.
Definition socketcan.h:137
uint8_t flags
Additional flags for FD frame filter.
Definition socketcan.h:139
socketcan_id_t can_id
The CAN identifier to match.
Definition socketcan.h:135
CAN frame for Linux SocketCAN compatibility.
Definition socketcan.h:112
socketcan_id_t can_id
32-bit CAN ID + EFF/RTR/ERR flags.
Definition socketcan.h:114
uint8_t data[8U]
The payload data.
Definition socketcan.h:125
uint8_t len
Frame payload length in bytes.
Definition socketcan.h:116
uint8_t flags
Additional flags for CAN FD.
Definition socketcan.h:118