kernel/include/net/irda/irlmp_event.h

   1 /*********************************************************************
   2  *
   3  * Filename:      irlmp_event.h
   4  * Version:       0.1
   5  * Description:   IrDA-LMP event handling
   6  * Status:        Experimental.
   7  * Author:        Dag Brattli <dagb@cs.uit.no>
   8  * Created at:    Mon Aug  4 20:40:53 1997
   9  * Modified at:   Thu Jul  8 12:18:54 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>,
  13  *     All Rights Reserved.
  14  *     Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
  15  *
  16  *     This program is free software; you can redistribute it and/or
  17  *     modify it under the terms of the GNU General Public License as
  18  *     published by the Free Software Foundation; either version 2 of
  19  *     the License, or (at your option) any later version.
  20  *
  21  *     Neither Dag Brattli nor University of Tromsø admit liability nor
  22  *     provide warranty for any of this software. This material is
  23  *     provided "AS-IS" and at no charge.
  24  *
  25  ********************************************************************/
  26
  27 #ifndef IRLMP_EVENT_H
  28 #define IRLMP_EVENT_H
  29
  30 /* A few forward declarations (to make compiler happy) */
  31 struct irlmp_cb;
  32 struct lsap_cb;
  33 struct lap_cb;
  34 struct discovery_t;
  35
  36 /* LAP states */
  37 typedef enum {
  38         /* IrLAP connection control states */
  39         LAP_STANDBY,             /* No LAP connection */
  40         LAP_U_CONNECT,           /* Starting LAP connection */
  41         LAP_ACTIVE,              /* LAP connection is active */
  42 } IRLMP_STATE;
  43
  44 /* LSAP connection control states */
  45 typedef enum {
  46         LSAP_DISCONNECTED,        /* No LSAP connection */
  47         LSAP_CONNECT,             /* Connect indication from peer */
  48         LSAP_CONNECT_PEND,        /* Connect request from service user */
  49         LSAP_DATA_TRANSFER_READY, /* LSAP connection established */
  50         LSAP_SETUP,               /* Trying to set up LSAP connection */
  51         LSAP_SETUP_PEND,          /* Request to start LAP connection */
  52 } LSAP_STATE;
  53
  54 typedef enum {
  55         /* LSAP events */
  56         LM_CONNECT_REQUEST,
  57         LM_CONNECT_CONFIRM,
  58         LM_CONNECT_RESPONSE,
  59         LM_CONNECT_INDICATION,
  60
  61         LM_DISCONNECT_INDICATION,
  62         LM_DISCONNECT_REQUEST,
  63
  64         LM_DATA_REQUEST,
  65         LM_UDATA_REQUEST,
  66         LM_DATA_INDICATION,
  67         LM_UDATA_INDICATION,
  68
  69         LM_WATCHDOG_TIMEOUT,
  70
  71         /* IrLAP events */
  72         LM_LAP_CONNECT_REQUEST,
  73         LM_LAP_CONNECT_INDICATION,
  74         LM_LAP_CONNECT_CONFIRM,
  75         LM_LAP_DISCONNECT_INDICATION,
  76         LM_LAP_DISCONNECT_REQUEST,
  77         LM_LAP_DISCOVERY_REQUEST,
  78         LM_LAP_DISCOVERY_CONFIRM,
  79         LM_LAP_IDLE_TIMEOUT,
  80 } IRLMP_EVENT;
  81
  82 extern const char *const irlmp_state[];
  83 extern const char *const irlsap_state[];
  84
  85 void irlmp_watchdog_timer_expired(void *data);
  86 void irlmp_discovery_timer_expired(void *data);
  87 void irlmp_idle_timer_expired(void *data);
  88
  89 void irlmp_do_lap_event(struct lap_cb *self, IRLMP_EVENT event,
  90                         struct sk_buff *skb);
  91 int irlmp_do_lsap_event(struct lsap_cb *self, IRLMP_EVENT event,
  92                         struct sk_buff *skb);
  93
  94 #endif /* IRLMP_EVENT_H */
  95
  96
  97
  98