atm_tcp.h 1.5 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. #include <linux/atm.h>
  8. #include <linux/atmioc.h>
  9. #include <linux/types.h>
  10. /*
  11. * All values in struct atmtcp_hdr are in network byte order
  12. */
  13. struct atmtcp_hdr {
  14. __u16 vpi;
  15. __u16 vci;
  16. __u32 length; /* ... of data part */
  17. };
  18. /*
  19. * All values in struct atmtcp_command are in host byte order
  20. */
  21. #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */
  22. #define ATMTCP_CTRL_OPEN 1 /* request/reply */
  23. #define ATMTCP_CTRL_CLOSE 2 /* request/reply */
  24. struct atmtcp_control {
  25. struct atmtcp_hdr hdr; /* must be first */
  26. int type; /* message type; both directions */
  27. atm_kptr_t vcc; /* both directions */
  28. struct sockaddr_atmpvc addr; /* suggested value from kernel */
  29. struct atm_qos qos; /* both directions */
  30. int result; /* to kernel only */
  31. } __ATM_API_ALIGN;
  32. /*
  33. * Field usage:
  34. * Messge type dir. hdr.v?i type addr qos vcc result
  35. * ----------- ---- ------- ---- ---- --- --- ------
  36. * OPEN K->D Y Y Y Y Y 0
  37. * OPEN D->K - Y Y Y Y Y
  38. * CLOSE K->D - - Y - Y 0
  39. * CLOSE D->K - - - - Y Y
  40. */
  41. #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */
  42. #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP
  43. interface */
  44. #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP
  45. interface */
  46. #endif /* LINUX_ATM_TCP_H */