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lapb.h

lapb.h 1.8 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

  3.  * These are the public elements of the Linux LAPB module.
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef	LAPB_KERNEL_H
    7. 

  7. #define	LAPB_KERNEL_H
    8. 

  8. 

  9. #include <linux/skbuff.h>
    10. 

  10. #include <linux/timer.h>
    11. 

  11. 

  12. struct net_device;
    13. 

  13. 

  14. #define	LAPB_OK			0
    15. 

  15. #define	LAPB_BADTOKEN		1
    16. 

  16. #define	LAPB_INVALUE		2
    17. 

  17. #define	LAPB_CONNECTED		3
    18. 

  18. #define	LAPB_NOTCONNECTED	4
    19. 

  19. #define	LAPB_REFUSED		5
    20. 

  20. #define	LAPB_TIMEDOUT		6
    21. 

  21. #define	LAPB_NOMEM		7
    22. 

  22. 

  23. #define	LAPB_STANDARD		0x00
    24. 

  24. #define	LAPB_EXTENDED		0x01
    25. 

  25. 

  26. #define	LAPB_SLP		0x00
    27. 

  27. #define	LAPB_MLP		0x02
    28. 

  28. 

  29. #define	LAPB_DTE		0x00
    30. 

  30. #define	LAPB_DCE		0x04
    31. 

  31. 

  32. struct lapb_register_struct {
    33. 

  33. 	void (*connect_confirmation)(struct net_device *dev, int reason);
    34. 

  34. 	void (*connect_indication)(struct net_device *dev, int reason);
    35. 

  35. 	void (*disconnect_confirmation)(struct net_device *dev, int reason);
    36. 

  36. 	void (*disconnect_indication)(struct net_device *dev, int reason);
    37. 

  37. 	int  (*data_indication)(struct net_device *dev, struct sk_buff *skb);
    38. 

  38. 	void (*data_transmit)(struct net_device *dev, struct sk_buff *skb);
    39. 

  39. };
    40. 

  40. 

  41. struct lapb_parms_struct {
    42. 

  42. 	unsigned int t1;
    43. 

  43. 	unsigned int t1timer;
    44. 

  44. 	unsigned int t2;
    45. 

  45. 	unsigned int t2timer;
    46. 

  46. 	unsigned int n2;
    47. 

  47. 	unsigned int n2count;
    48. 

  48. 	unsigned int window;
    49. 

  49. 	unsigned int state;
    50. 

  50. 	unsigned int mode;
    51. 

  51. };
    52. 

  52. 

  53. extern int lapb_register(struct net_device *dev,
    54. 

  54. 			 const struct lapb_register_struct *callbacks);
    55. 

  55. extern int lapb_unregister(struct net_device *dev);
    56. 

  56. extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
    57. 

  57. extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);
    58. 

  58. extern int lapb_connect_request(struct net_device *dev);
    59. 

  59. extern int lapb_disconnect_request(struct net_device *dev);
    60. 

  60. extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb);
    61. 

  61. extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb);
    62. 

  62. 

  63. #endif
    64.