llc.h 3.0 KB

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  1. /*
  2. * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators.
  3. *
  4. * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org>
  5. *
  6. * This program can be redistributed or modified under the terms of the
  7. * GNU General Public License as published by the Free Software Foundation.
  8. * This program is distributed without any warranty or implied warranty
  9. * of merchantability or fitness for a particular purpose.
  10. *
  11. * See the GNU General Public License for more details.
  12. */
  13. #ifndef __LINUX_LLC_H
  14. #define __LINUX_LLC_H
  15. #include <linux/socket.h>
  16. #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */
  17. struct sockaddr_llc {
  18. __kernel_sa_family_t sllc_family; /* AF_LLC */
  19. __kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */
  20. unsigned char sllc_test;
  21. unsigned char sllc_xid;
  22. unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */
  23. unsigned char sllc_sap;
  24. unsigned char sllc_mac[IFHWADDRLEN];
  25. unsigned char __pad[__LLC_SOCK_SIZE__ -
  26. sizeof(__kernel_sa_family_t) * 2 -
  27. sizeof(unsigned char) * 4 - IFHWADDRLEN];
  28. };
  29. /* sockopt definitions. */
  30. enum llc_sockopts {
  31. LLC_OPT_UNKNOWN = 0,
  32. LLC_OPT_RETRY, /* max retrans attempts. */
  33. LLC_OPT_SIZE, /* max PDU size (octets). */
  34. LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */
  35. LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */
  36. LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */
  37. LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */
  38. LLC_OPT_TX_WIN, /* tx window size. */
  39. LLC_OPT_RX_WIN, /* rx window size. */
  40. LLC_OPT_PKTINFO, /* ancillary packet information. */
  41. LLC_OPT_MAX
  42. };
  43. #define LLC_OPT_MAX_RETRY 100
  44. #define LLC_OPT_MAX_SIZE 4196
  45. #define LLC_OPT_MAX_WIN 127
  46. #define LLC_OPT_MAX_ACK_TMR_EXP 60
  47. #define LLC_OPT_MAX_P_TMR_EXP 60
  48. #define LLC_OPT_MAX_REJ_TMR_EXP 60
  49. #define LLC_OPT_MAX_BUSY_TMR_EXP 60
  50. /* LLC SAP types. */
  51. #define LLC_SAP_NULL 0x00 /* NULL SAP. */
  52. #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */
  53. #define LLC_SAP_SNA 0x04 /* SNA Path Control. */
  54. #define LLC_SAP_PNM 0x0E /* Proway Network Management. */
  55. #define LLC_SAP_IP 0x06 /* TCP/IP. */
  56. #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */
  57. #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */
  58. #define LLC_SAP_8208 0x7E /* ISO 8208 */
  59. #define LLC_SAP_3COM 0x80 /* 3COM. */
  60. #define LLC_SAP_PRO 0x8E /* Proway Active Station List */
  61. #define LLC_SAP_SNAP 0xAA /* SNAP. */
  62. #define LLC_SAP_BANYAN 0xBC /* Banyan. */
  63. #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */
  64. #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */
  65. #define LLC_SAP_LANMGR 0xF4 /* LanManager. */
  66. #define LLC_SAP_IMPL 0xF8 /* IMPL */
  67. #define LLC_SAP_DISC 0xFC /* Discovery */
  68. #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */
  69. #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */
  70. #define LLC_SAP_RM 0xD4 /* Resource Management */
  71. #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */
  72. struct llc_pktinfo {
  73. int lpi_ifindex;
  74. unsigned char lpi_sap;
  75. unsigned char lpi_mac[IFHWADDRLEN];
  76. };
  77. #endif /* __LINUX_LLC_H */