core.h

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/*
 * linux/can/core.h
 *
 * Protoypes and definitions for CAN protocol modules using the PF_CAN core
 *
 * Authors: Oliver Hartkopp <[email protected]>
 *          Urs Thuermann   <[email protected]>
 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
 * All rights reserved.
 *
 */

#ifndef CAN_CORE_H
#define CAN_CORE_H

#include <linux/can.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>

#define CAN_VERSION "20120528"

/* increment this number each time you change some user-space interface */
#define CAN_ABI_VERSION "9"

#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION

#define DNAME(dev) ((dev) ? (dev)->name : "any")

struct can_proto {
    int type;
    int protocol;
    const struct proto_ops *ops;
    struct proto *prot;
};

/* function prototypes for the CAN networklayer core (af_can.c) */

extern int  can_proto_register(const struct can_proto *cp);
extern void can_proto_unregister(const struct can_proto *cp);

extern int  can_rx_register(struct net_device *dev, canid_t can_id,
                canid_t mask,
                void (*func)(struct sk_buff *, void *),
                void *data, char *ident);

extern void can_rx_unregister(struct net_device *dev, canid_t can_id,
                  canid_t mask,
                  void (*func)(struct sk_buff *, void *),
                  void *data);

extern int can_send(struct sk_buff *skb, int loop);
extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);

#endif /* CAN_CORE_H */