irlap_event.h 3.4 KB

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  1. /*********************************************************************
  2. *
  3. *
  4. * Filename: irlap_event.h
  5. * Version: 0.1
  6. * Description:
  7. * Status: Experimental.
  8. * Author: Dag Brattli <dagb@cs.uit.no>
  9. * Created at: Sat Aug 16 00:59:29 1997
  10. * Modified at: Tue Dec 21 11:20:30 1999
  11. * Modified by: Dag Brattli <dagb@cs.uit.no>
  12. *
  13. * Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>,
  14. * All Rights Reserved.
  15. * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
  16. *
  17. * This program is free software; you can redistribute it and/or
  18. * modify it under the terms of the GNU General Public License as
  19. * published by the Free Software Foundation; either version 2 of
  20. * the License, or (at your option) any later version.
  21. *
  22. * This program is distributed in the hope that it will be useful,
  23. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  25. * GNU General Public License for more details.
  26. *
  27. * You should have received a copy of the GNU General Public License
  28. * along with this program; if not, see <http://www.gnu.org/licenses/>.
  29. *
  30. ********************************************************************/
  31. #ifndef IRLAP_EVENT_H
  32. #define IRLAP_EVENT_H
  33. #include <net/irda/irda.h>
  34. /* A few forward declarations (to make compiler happy) */
  35. struct irlap_cb;
  36. struct irlap_info;
  37. /* IrLAP States */
  38. typedef enum {
  39. LAP_NDM, /* Normal disconnected mode */
  40. LAP_QUERY,
  41. LAP_REPLY,
  42. LAP_CONN, /* Connect indication */
  43. LAP_SETUP, /* Setting up connection */
  44. LAP_OFFLINE, /* A really boring state */
  45. LAP_XMIT_P,
  46. LAP_PCLOSE,
  47. LAP_NRM_P, /* Normal response mode as primary */
  48. LAP_RESET_WAIT,
  49. LAP_RESET,
  50. LAP_NRM_S, /* Normal response mode as secondary */
  51. LAP_XMIT_S,
  52. LAP_SCLOSE,
  53. LAP_RESET_CHECK,
  54. } IRLAP_STATE;
  55. /* IrLAP Events */
  56. typedef enum {
  57. /* Services events */
  58. DISCOVERY_REQUEST,
  59. CONNECT_REQUEST,
  60. CONNECT_RESPONSE,
  61. DISCONNECT_REQUEST,
  62. DATA_REQUEST,
  63. RESET_REQUEST,
  64. RESET_RESPONSE,
  65. /* Send events */
  66. SEND_I_CMD,
  67. SEND_UI_FRAME,
  68. /* Receive events */
  69. RECV_DISCOVERY_XID_CMD,
  70. RECV_DISCOVERY_XID_RSP,
  71. RECV_SNRM_CMD,
  72. RECV_TEST_CMD,
  73. RECV_TEST_RSP,
  74. RECV_UA_RSP,
  75. RECV_DM_RSP,
  76. RECV_RD_RSP,
  77. RECV_I_CMD,
  78. RECV_I_RSP,
  79. RECV_UI_FRAME,
  80. RECV_FRMR_RSP,
  81. RECV_RR_CMD,
  82. RECV_RR_RSP,
  83. RECV_RNR_CMD,
  84. RECV_RNR_RSP,
  85. RECV_REJ_CMD,
  86. RECV_REJ_RSP,
  87. RECV_SREJ_CMD,
  88. RECV_SREJ_RSP,
  89. RECV_DISC_CMD,
  90. /* Timer events */
  91. SLOT_TIMER_EXPIRED,
  92. QUERY_TIMER_EXPIRED,
  93. FINAL_TIMER_EXPIRED,
  94. POLL_TIMER_EXPIRED,
  95. DISCOVERY_TIMER_EXPIRED,
  96. WD_TIMER_EXPIRED,
  97. BACKOFF_TIMER_EXPIRED,
  98. MEDIA_BUSY_TIMER_EXPIRED,
  99. } IRLAP_EVENT;
  100. /*
  101. * Disconnect reason code
  102. */
  103. typedef enum { /* FIXME check the two first reason codes */
  104. LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
  105. LAP_NO_RESPONSE, /* To many retransmits without response */
  106. LAP_RESET_INDICATION, /* To many retransmits, or invalid nr/ns */
  107. LAP_FOUND_NONE, /* No devices were discovered */
  108. LAP_MEDIA_BUSY,
  109. LAP_PRIMARY_CONFLICT,
  110. } LAP_REASON;
  111. extern const char *const irlap_state[];
  112. void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event,
  113. struct sk_buff *skb, struct irlap_info *info);
  114. void irlap_print_event(IRLAP_EVENT event);
  115. int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
  116. #endif