LXR linux/include/net/irda/irlap

   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, write to the Free Software 
  29 *     Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
  30 *     MA 02111-1307 USA
  31 *     
  32 ********************************************************************/
  33
  34#ifndef IRLAP_EVENT_H
  35#define IRLAP_EVENT_H
  36
  37#include <net/irda/irda.h>
  38
  39/* A few forward declarations (to make compiler happy) */
  40struct irlap_cb;
  41struct irlap_info;
  42
  43/* IrLAP States */
  44typedef enum {
  45        LAP_NDM,         /* Normal disconnected mode */
  46        LAP_QUERY,
  47        LAP_REPLY,
  48        LAP_CONN,        /* Connect indication */
  49        LAP_SETUP,       /* Setting up connection */
  50        LAP_OFFLINE,     /* A really boring state */
  51        LAP_XMIT_P,
  52        LAP_PCLOSE,
  53        LAP_NRM_P,       /* Normal response mode as primary */
  54        LAP_RESET_WAIT,
  55        LAP_RESET,
  56        LAP_NRM_S,       /* Normal response mode as secondary */
  57        LAP_XMIT_S,
  58        LAP_SCLOSE,
  59        LAP_RESET_CHECK,
  60} IRLAP_STATE;
  61
  62/* IrLAP Events */
  63typedef enum {
  64        /* Services events */
  65        DISCOVERY_REQUEST,
  66        CONNECT_REQUEST,
  67        CONNECT_RESPONSE,
  68        DISCONNECT_REQUEST,
  69        DATA_REQUEST,
  70        RESET_REQUEST,
  71        RESET_RESPONSE,
  72
  73        /* Send events */
  74        SEND_I_CMD,
  75        SEND_UI_FRAME,
  76
  77        /* Receive events */
  78        RECV_DISCOVERY_XID_CMD,
  79        RECV_DISCOVERY_XID_RSP,
  80        RECV_SNRM_CMD,
  81        RECV_TEST_CMD,
  82        RECV_TEST_RSP,
  83        RECV_UA_RSP,
  84        RECV_DM_RSP,
  85        RECV_RD_RSP,
  86        RECV_I_CMD,
  87        RECV_I_RSP,
  88        RECV_UI_FRAME,
  89        RECV_FRMR_RSP,
  90        RECV_RR_CMD,
  91        RECV_RR_RSP,
  92        RECV_RNR_CMD,
  93        RECV_RNR_RSP,
  94        RECV_REJ_CMD,
  95        RECV_REJ_RSP,
  96        RECV_SREJ_CMD,
  97        RECV_SREJ_RSP,
  98        RECV_DISC_CMD,
  99
 100        /* Timer events */
 101        SLOT_TIMER_EXPIRED,
 102        QUERY_TIMER_EXPIRED,
 103        FINAL_TIMER_EXPIRED,
 104        POLL_TIMER_EXPIRED,
 105        DISCOVERY_TIMER_EXPIRED,
 106        WD_TIMER_EXPIRED,
 107        BACKOFF_TIMER_EXPIRED,
 108        MEDIA_BUSY_TIMER_EXPIRED,
 109} IRLAP_EVENT;
 110
 111/*
 112 * Disconnect reason code
 113 */
 114typedef enum { /* FIXME check the two first reason codes */
 115        LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
 116        LAP_NO_RESPONSE,       /* To many retransmits without response */
 117        LAP_RESET_INDICATION,  /* To many retransmits, or invalid nr/ns */
 118        LAP_FOUND_NONE,        /* No devices were discovered */
 119        LAP_MEDIA_BUSY,
 120        LAP_PRIMARY_CONFLICT,
 121} LAP_REASON;
 122
 123extern const char *const irlap_state[];
 124
 125void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event, 
 126                    struct sk_buff *skb, struct irlap_info *info);
 127void irlap_print_event(IRLAP_EVENT event);
 128
 129extern int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
 130
 131#endif
 132