source: src/linux/universal/linux-3.18/include/linux/can/core.h @ 31869

Last change on this file since 31869 was 31869, checked in by brainslayer, 6 weeks ago

update

File size: 1.7 KB
Line 
1/*
2 * linux/can/core.h
3 *
4 * Protoypes and definitions for CAN protocol modules using the PF_CAN core
5 *
6 * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
7 *          Urs Thuermann   <urs.thuermann@volkswagen.de>
8 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
9 * All rights reserved.
10 *
11 */
12
13#ifndef _CAN_CORE_H
14#define _CAN_CORE_H
15
16#include <linux/can.h>
17#include <linux/skbuff.h>
18#include <linux/netdevice.h>
19
20#define CAN_VERSION "20120528"
21
22/* increment this number each time you change some user-space interface */
23#define CAN_ABI_VERSION "9"
24
25#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION
26
27#define DNAME(dev) ((dev) ? (dev)->name : "any")
28
29/**
30 * struct can_proto - CAN protocol structure
31 * @type:       type argument in socket() syscall, e.g. SOCK_DGRAM.
32 * @protocol:   protocol number in socket() syscall.
33 * @ops:        pointer to struct proto_ops for sock->ops.
34 * @prot:       pointer to struct proto structure.
35 */
36struct can_proto {
37        int type;
38        int protocol;
39        const struct proto_ops *ops;
40        struct proto *prot;
41};
42
43/* function prototypes for the CAN networklayer core (af_can.c) */
44
45extern int  can_proto_register(const struct can_proto *cp);
46extern void can_proto_unregister(const struct can_proto *cp);
47
48int can_rx_register(struct net_device *dev, canid_t can_id, canid_t mask,
49                    void (*func)(struct sk_buff *, void *),
50                    void *data, char *ident, struct sock *sk);
51
52extern void can_rx_unregister(struct net_device *dev, canid_t can_id,
53                              canid_t mask,
54                              void (*func)(struct sk_buff *, void *),
55                              void *data);
56
57extern int can_send(struct sk_buff *skb, int loop);
58extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
59
60#endif /* !_CAN_CORE_H */
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