/include/linux/can/core.h

https://github.com/airy09/android_kernel_sony_apq8064 · C Header · 61 lines · 28 code · 13 blank · 20 comment · 0 complexity · 941f259f17e894fef740c58a1940454e MD5 · raw file 

    

  1. /*
    2. 

  2.  * linux/can/core.h
    3. 

  3.  *
    4. 

  4.  * Protoypes and definitions for CAN protocol modules using the PF_CAN core
    5. 

  5.  *
    6. 

  6.  * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
    7. 

  7.  *          Urs Thuermann   <urs.thuermann@volkswagen.de>
    8. 

  8.  * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
    9. 

  9.  * All rights reserved.
    10. 

  10.  *
    11. 

  11.  */
    12. 

  12. 

  13. #ifndef CAN_CORE_H
    14. 

  14. #define CAN_CORE_H
    15. 

  15. 

  16. #include <linux/can.h>
    17. 

  17. #include <linux/skbuff.h>
    18. 

  18. #include <linux/netdevice.h>
    19. 

  19. 

  20. #define CAN_VERSION "20090105"
    21. 

  21. 

  22. /* increment this number each time you change some user-space interface */
    23. 

  23. #define CAN_ABI_VERSION "8"
    24. 

  24. 

  25. #define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION
    26. 

  26. 

  27. #define DNAME(dev) ((dev) ? (dev)->name : "any")
    28. 

  28. 

  29. /**
    30. 

  30.  * struct can_proto - CAN protocol structure
    31. 

  31.  * @type:       type argument in socket() syscall, e.g. SOCK_DGRAM.
    32. 

  32.  * @protocol:   protocol number in socket() syscall.
    33. 

  33.  * @ops:        pointer to struct proto_ops for sock->ops.
    34. 

  34.  * @prot:       pointer to struct proto structure.
    35. 

  35.  */
    36. 

  36. struct can_proto {
    37. 

  37. 	int type;
    38. 

  38. 	int protocol;
    39. 

  39. 	const struct proto_ops *ops;
    40. 

  40. 	struct proto *prot;
    41. 

  41. };
    42. 

  42. 

  43. /* function prototypes for the CAN networklayer core (af_can.c) */
    44. 

  44. 

  45. extern int  can_proto_register(const struct can_proto *cp);
    46. 

  46. extern void can_proto_unregister(const struct can_proto *cp);
    47. 

  47. 

  48. extern int  can_rx_register(struct net_device *dev, canid_t can_id,
    49. 

  49. 			    canid_t mask,
    50. 

  50. 			    void (*func)(struct sk_buff *, void *),
    51. 

  51. 			    void *data, char *ident);
    52. 

  52. 

  53. extern void can_rx_unregister(struct net_device *dev, canid_t can_id,
    54. 

  54. 			      canid_t mask,
    55. 

  55. 			      void (*func)(struct sk_buff *, void *),
    56. 

  56. 			      void *data);
    57. 

  57. 

  58. extern int can_send(struct sk_buff *skb, int loop);
    59. 

  59. extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
    60. 

  60. 

  61. #endif /* CAN_CORE_H */
    62.