llc.h 3.0 KB

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  1. #ifndef __LINUX_LLC_H
  2. #define __LINUX_LLC_H
  3. /*
  4. * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators.
  5. *
  6. * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org>
  7. *
  8. * This program can be redistributed or modified under the terms of the
  9. * GNU General Public License as published by the Free Software Foundation.
  10. * This program is distributed without any warranty or implied warranty
  11. * of merchantability or fitness for a particular purpose.
  12. *
  13. * See the GNU General Public License for more details.
  14. */
  15. #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */
  16. struct sockaddr_llc {
  17. sa_family_t sllc_family; /* AF_LLC */
  18. sa_family_t sllc_arphrd; /* ARPHRD_ETHER */
  19. unsigned char sllc_test;
  20. unsigned char sllc_xid;
  21. unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */
  22. unsigned char sllc_sap;
  23. unsigned char sllc_mac[IFHWADDRLEN];
  24. unsigned char __pad[__LLC_SOCK_SIZE__ - sizeof(sa_family_t) * 2 -
  25. sizeof(unsigned char) * 4 - IFHWADDRLEN];
  26. };
  27. /* sockopt definitions. */
  28. enum llc_sockopts {
  29. LLC_OPT_UNKNOWN = 0,
  30. LLC_OPT_RETRY, /* max retrans attempts. */
  31. LLC_OPT_SIZE, /* max PDU size (octets). */
  32. LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */
  33. LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */
  34. LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */
  35. LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */
  36. LLC_OPT_TX_WIN, /* tx window size. */
  37. LLC_OPT_RX_WIN, /* rx window size. */
  38. LLC_OPT_MAX
  39. };
  40. #define LLC_OPT_MAX_RETRY 100
  41. #define LLC_OPT_MAX_SIZE 4196
  42. #define LLC_OPT_MAX_WIN 127
  43. #define LLC_OPT_MAX_ACK_TMR_EXP 60
  44. #define LLC_OPT_MAX_P_TMR_EXP 60
  45. #define LLC_OPT_MAX_REJ_TMR_EXP 60
  46. #define LLC_OPT_MAX_BUSY_TMR_EXP 60
  47. /* LLC SAP types. */
  48. #define LLC_SAP_NULL 0x00 /* NULL SAP. */
  49. #define LLC_SAP_LLC 0x02 /* LLC Sublayer Managment. */
  50. #define LLC_SAP_SNA 0x04 /* SNA Path Control. */
  51. #define LLC_SAP_PNM 0x0E /* Proway Network Managment. */
  52. #define LLC_SAP_IP 0x06 /* TCP/IP. */
  53. #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */
  54. #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */
  55. #define LLC_SAP_8208 0x7E /* ISO 8208 */
  56. #define LLC_SAP_3COM 0x80 /* 3COM. */
  57. #define LLC_SAP_PRO 0x8E /* Proway Active Station List */
  58. #define LLC_SAP_SNAP 0xAA /* SNAP. */
  59. #define LLC_SAP_BANYAN 0xBC /* Banyan. */
  60. #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */
  61. #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */
  62. #define LLC_SAP_LANMGR 0xF4 /* LanManager. */
  63. #define LLC_SAP_IMPL 0xF8 /* IMPL */
  64. #define LLC_SAP_DISC 0xFC /* Discovery */
  65. #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */
  66. #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */
  67. #define LLC_SAP_RM 0xD4 /* Resource Management */
  68. #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */
  69. #ifdef __KERNEL__
  70. #define LLC_SAP_DYN_START 0xC0
  71. #define LLC_SAP_DYN_STOP 0xDE
  72. #define LLC_SAP_DYN_TRIES 4
  73. #define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0]))
  74. #endif /* __KERNEL__ */
  75. #endif /* __LINUX_LLC_H */