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 * Send feedback to <socketcan-users@lists.berlios.de> 12 * 13 */ 14 15#ifndef CAN_CORE_H 16#define CAN_CORE_H 17 18#include <linux/can.h> 19#include <linux/skbuff.h> 20#include <linux/netdevice.h> 21 22#define CAN_VERSION "20090105" 23 24/* increment this number each time you change some user-space interface */ 25#define CAN_ABI_VERSION "8" 26 27#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION 28 29#define DNAME(dev) ((dev) ? (dev)->name : "any") 30 31/** 32 * struct can_proto - CAN protocol structure 33 * @type: type argument in socket() syscall, e.g. SOCK_DGRAM. 34 * @protocol: protocol number in socket() syscall. 35 * @ops: pointer to struct proto_ops for sock->ops. 36 * @prot: pointer to struct proto structure. 37 */ 38struct can_proto { 39 int type; 40 int protocol; 41 struct proto_ops *ops; 42 struct proto *prot; 43}; 44 45/* function prototypes for the CAN networklayer core (af_can.c) */ 46 47extern int can_proto_register(struct can_proto *cp); 48extern void can_proto_unregister(struct can_proto *cp); 49 50extern int can_rx_register(struct net_device *dev, canid_t can_id, 51 canid_t mask, 52 void (*func)(struct sk_buff *, void *), 53 void *data, char *ident); 54 55extern void can_rx_unregister(struct net_device *dev, canid_t can_id, 56 canid_t mask, 57 void (*func)(struct sk_buff *, void *), 58 void *data); 59 60extern int can_send(struct sk_buff *skb, int loop); 61 62#endif /* CAN_CORE_H */ 63