Blame view

kernel/linux-rt-4.4.41/include/linux/can/core.h 1.72 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
  /*
   * linux/can/core.h
   *
   * Protoypes and definitions for CAN protocol modules using the PF_CAN core
   *
   * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
   *          Urs Thuermann   <urs.thuermann@volkswagen.de>
   * 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 - CAN protocol structure
   * @type:       type argument in socket() syscall, e.g. SOCK_DGRAM.
   * @protocol:   protocol number in socket() syscall.
   * @ops:        pointer to struct proto_ops for sock->ops.
   * @prot:       pointer to struct proto structure.
   */
  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 */