include/net/irda/irlap_event.h

   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
  32 #ifndef IRLAP_EVENT_H
  33 #define IRLAP_EVENT_H
  34
  35 #include <net/irda/irda.h>
  36
  37 /* A few forward declarations (to make compiler happy) */
  38 struct irlap_cb;
  39 struct irlap_info;
  40
  41 /* IrLAP States */
  42 typedef enum {
  43         LAP_NDM,         /* Normal disconnected mode */
  44         LAP_QUERY,
  45         LAP_REPLY,
  46         LAP_CONN,        /* Connect indication */
  47         LAP_SETUP,       /* Setting up connection */
  48         LAP_OFFLINE,     /* A really boring state */
  49         LAP_XMIT_P,
  50         LAP_PCLOSE,
  51         LAP_NRM_P,       /* Normal response mode as primary */
  52         LAP_RESET_WAIT,
  53         LAP_RESET,
  54         LAP_NRM_S,       /* Normal response mode as secondary */
  55         LAP_XMIT_S,
  56         LAP_SCLOSE,
  57         LAP_RESET_CHECK,
  58 } IRLAP_STATE;
  59
  60 /* IrLAP Events */
  61 typedef enum {
  62         /* Services events */
  63         DISCOVERY_REQUEST,
  64         CONNECT_REQUEST,
  65         CONNECT_RESPONSE,
  66         DISCONNECT_REQUEST,
  67         DATA_REQUEST,
  68         RESET_REQUEST,
  69         RESET_RESPONSE,
  70
  71         /* Send events */
  72         SEND_I_CMD,
  73         SEND_UI_FRAME,
  74
  75         /* Receive events */
  76         RECV_DISCOVERY_XID_CMD,
  77         RECV_DISCOVERY_XID_RSP,
  78         RECV_SNRM_CMD,
  79         RECV_TEST_CMD,
  80         RECV_TEST_RSP,
  81         RECV_UA_RSP,
  82         RECV_DM_RSP,
  83         RECV_RD_RSP,
  84         RECV_I_CMD,
  85         RECV_I_RSP,
  86         RECV_UI_FRAME,
  87         RECV_FRMR_RSP,
  88         RECV_RR_CMD,
  89         RECV_RR_RSP,
  90         RECV_RNR_CMD,
  91         RECV_RNR_RSP,
  92         RECV_REJ_CMD,
  93         RECV_REJ_RSP,
  94         RECV_SREJ_CMD,
  95         RECV_SREJ_RSP,
  96         RECV_DISC_CMD,
  97
  98         /* Timer events */
  99         SLOT_TIMER_EXPIRED,
 100         QUERY_TIMER_EXPIRED,
 101         FINAL_TIMER_EXPIRED,
 102         POLL_TIMER_EXPIRED,
 103         DISCOVERY_TIMER_EXPIRED,
 104         WD_TIMER_EXPIRED,
 105         BACKOFF_TIMER_EXPIRED,
 106         MEDIA_BUSY_TIMER_EXPIRED,
 107 } IRLAP_EVENT;
 108
 109 /*
 110  * Disconnect reason code
 111  */
 112 typedef enum { /* FIXME check the two first reason codes */
 113         LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
 114         LAP_NO_RESPONSE,       /* To many retransmits without response */
 115         LAP_RESET_INDICATION,  /* To many retransmits, or invalid nr/ns */
 116         LAP_FOUND_NONE,        /* No devices were discovered */
 117         LAP_MEDIA_BUSY,
 118         LAP_PRIMARY_CONFLICT,
 119 } LAP_REASON;
 120
 121 extern const char *const irlap_state[];
 122
 123 void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event,
 124                     struct sk_buff *skb, struct irlap_info *info);
 125 void irlap_print_event(IRLAP_EVENT event);
 126
 127 int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
 128
 129 #endif