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
48extern int  can_rx_register(struct net_device *dev, canid_t can_id,
49			    canid_t mask,
50			    void (*func)(struct sk_buff *, void *),
51			    void *data, char *ident);
52
53extern void can_rx_unregister(struct net_device *dev, canid_t can_id,
54			      canid_t mask,
55			      void (*func)(struct sk_buff *, void *),
56			      void *data);
57
58extern int can_send(struct sk_buff *skb, int loop);
59extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
60
61#endif /* !_CAN_CORE_H */
62