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, 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) */
  38struct irlap_cb;
  39struct irlap_info;
  40
  41/* IrLAP States */
  42typedef 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 */
  61typedef 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 */
 112typedef 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
 121extern const char *const irlap_state[];
 122
 123void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event, 
 124                    struct sk_buff *skb, struct irlap_info *info);
 125void irlap_print_event(IRLAP_EVENT event);
 126
 127int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
 128
 129#endif
 130