atm_tcp.h 1.7 KB

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  1. /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
  2. driver-specific utilities) */
  3. /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
  4. #ifndef LINUX_ATM_TCP_H
  5. #define LINUX_ATM_TCP_H
  6. #include <linux/atmapi.h>
  7. #ifdef __KERNEL__
  8. #include <linux/types.h>
  9. #endif
  10. #include <linux/atmioc.h>
  11. /*
  12. * All values in struct atmtcp_hdr are in network byte order
  13. */
  14. struct atmtcp_hdr {
  15. uint16_t vpi;
  16. uint16_t vci;
  17. uint32_t length; /* ... of data part */
  18. };
  19. /*
  20. * All values in struct atmtcp_command are in host byte order
  21. */
  22. #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */
  23. #define ATMTCP_CTRL_OPEN 1 /* request/reply */
  24. #define ATMTCP_CTRL_CLOSE 2 /* request/reply */
  25. struct atmtcp_control {
  26. struct atmtcp_hdr hdr; /* must be first */
  27. int type; /* message type; both directions */
  28. atm_kptr_t vcc; /* both directions */
  29. struct sockaddr_atmpvc addr; /* suggested value from kernel */
  30. struct atm_qos qos; /* both directions */
  31. int result; /* to kernel only */
  32. } __ATM_API_ALIGN;
  33. /*
  34. * Field usage:
  35. * Messge type dir. hdr.v?i type addr qos vcc result
  36. * ----------- ---- ------- ---- ---- --- --- ------
  37. * OPEN K->D Y Y Y Y Y 0
  38. * OPEN D->K - Y Y Y Y Y
  39. * CLOSE K->D - - Y - Y 0
  40. * CLOSE D->K - - - - Y Y
  41. */
  42. #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */
  43. #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP
  44. interface */
  45. #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP
  46. interface */
  47. #ifdef __KERNEL__
  48. struct atm_tcp_ops {
  49. int (*attach)(struct atm_vcc *vcc,int itf);
  50. int (*create_persistent)(int itf);
  51. int (*remove_persistent)(int itf);
  52. struct module *owner;
  53. };
  54. extern struct atm_tcp_ops atm_tcp_ops;
  55. #endif
  56. #endif