atmbr2684.h 2.8 KB

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  1. #ifndef _LINUX_ATMBR2684_H
  2. #define _LINUX_ATMBR2684_H
  3. #include <linux/atm.h>
  4. #include <linux/if.h> /* For IFNAMSIZ */
  5. /*
  6. * Type of media we're bridging (ethernet, token ring, etc) Currently only
  7. * ethernet is supported
  8. */
  9. #define BR2684_MEDIA_ETHERNET (0) /* 802.3 */
  10. #define BR2684_MEDIA_802_4 (1) /* 802.4 */
  11. #define BR2684_MEDIA_TR (2) /* 802.5 - token ring */
  12. #define BR2684_MEDIA_FDDI (3)
  13. #define BR2684_MEDIA_802_6 (4) /* 802.6 */
  14. /*
  15. * Is there FCS inbound on this VC? This currently isn't supported.
  16. */
  17. #define BR2684_FCSIN_NO (0)
  18. #define BR2684_FCSIN_IGNORE (1)
  19. #define BR2684_FCSIN_VERIFY (2)
  20. /*
  21. * Is there FCS outbound on this VC? This currently isn't supported.
  22. */
  23. #define BR2684_FCSOUT_NO (0)
  24. #define BR2684_FCSOUT_SENDZERO (1)
  25. #define BR2684_FCSOUT_GENERATE (2)
  26. /*
  27. * Does this VC include LLC encapsulation?
  28. */
  29. #define BR2684_ENCAPS_VC (0) /* VC-mux */
  30. #define BR2684_ENCAPS_LLC (1)
  31. #define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
  32. /*
  33. * This is for the ATM_NEWBACKENDIF call - these are like socket families:
  34. * the first element of the structure is the backend number and the rest
  35. * is per-backend specific
  36. */
  37. struct atm_newif_br2684 {
  38. atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
  39. int media; /* BR2684_MEDIA_* */
  40. char ifname[IFNAMSIZ];
  41. int mtu;
  42. };
  43. /*
  44. * This structure is used to specify a br2684 interface - either by a
  45. * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
  46. */
  47. #define BR2684_FIND_BYNOTHING (0)
  48. #define BR2684_FIND_BYNUM (1)
  49. #define BR2684_FIND_BYIFNAME (2)
  50. struct br2684_if_spec {
  51. int method; /* BR2684_FIND_* */
  52. union {
  53. char ifname[IFNAMSIZ];
  54. int devnum;
  55. } spec;
  56. };
  57. /*
  58. * This is for the ATM_SETBACKEND call - these are like socket families:
  59. * the first element of the structure is the backend number and the rest
  60. * is per-backend specific
  61. */
  62. struct atm_backend_br2684 {
  63. atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
  64. struct br2684_if_spec ifspec;
  65. int fcs_in; /* BR2684_FCSIN_* */
  66. int fcs_out; /* BR2684_FCSOUT_* */
  67. int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
  68. int encaps; /* BR2684_ENCAPS_* */
  69. int has_vpiid; /* 1: use vpn_id - Unsupported */
  70. __u8 vpn_id[7];
  71. int send_padding; /* unsupported */
  72. int min_size; /* we will pad smaller packets than this */
  73. };
  74. /*
  75. * The BR2684_SETFILT ioctl is an experimental mechanism for folks
  76. * terminating a large number of IP-only vcc's. When netfilter allows
  77. * efficient per-if in/out filters, this support will be removed
  78. */
  79. struct br2684_filter {
  80. __be32 prefix; /* network byte order */
  81. __be32 netmask; /* 0 = disable filter */
  82. };
  83. struct br2684_filter_set {
  84. struct br2684_if_spec ifspec;
  85. struct br2684_filter filter;
  86. };
  87. #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
  88. struct br2684_filter_set)
  89. #endif /* _LINUX_ATMBR2684_H */