irlap_event.h

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/*********************************************************************
 *                
 *                
 * Filename:      irlap_event.h
 * Version:       0.1
 * Description:   
 * Status:        Experimental.
 * Author:        Dag Brattli <[email protected]>
 * Created at:    Sat Aug 16 00:59:29 1997
 * Modified at:   Tue Dec 21 11:20:30 1999
 * Modified by:   Dag Brattli <[email protected]>
 * 
 *     Copyright (c) 1998-1999 Dag Brattli <[email protected]>, 
 *     All Rights Reserved.
 *     Copyright (c) 2000-2002 Jean Tourrilhes <[email protected]>
 *     
 *     This program is free software; you can redistribute it and/or 
 *     modify it under the terms of the GNU General Public License as 
 *     published by the Free Software Foundation; either version 2 of 
 *     the License, or (at your option) any later version.
 * 
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License 
 *     along with this program; if not, write to the Free Software 
 *     Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
 *     MA 02111-1307 USA
 *     
 ********************************************************************/

#ifndef IRLAP_EVENT_H
#define IRLAP_EVENT_H

#include <net/irda/irda.h>

/* A few forward declarations (to make compiler happy) */
struct irlap_cb;
struct irlap_info;

/* IrLAP States */
typedef enum {
    LAP_NDM,         /* Normal disconnected mode */
    LAP_QUERY,
    LAP_REPLY,
    LAP_CONN,        /* Connect indication */
    LAP_SETUP,       /* Setting up connection */
    LAP_OFFLINE,     /* A really boring state */
    LAP_XMIT_P,
    LAP_PCLOSE,
    LAP_NRM_P,       /* Normal response mode as primary */
    LAP_RESET_WAIT,
    LAP_RESET,
    LAP_NRM_S,       /* Normal response mode as secondary */
    LAP_XMIT_S,
    LAP_SCLOSE,
    LAP_RESET_CHECK,
} IRLAP_STATE;

/* IrLAP Events */
typedef enum {
    /* Services events */
    DISCOVERY_REQUEST,
    CONNECT_REQUEST,
    CONNECT_RESPONSE,
    DISCONNECT_REQUEST,
    DATA_REQUEST,
    RESET_REQUEST,
    RESET_RESPONSE,

    /* Send events */
    SEND_I_CMD,
    SEND_UI_FRAME,

    /* Receive events */
    RECV_DISCOVERY_XID_CMD,
    RECV_DISCOVERY_XID_RSP,
    RECV_SNRM_CMD,
    RECV_TEST_CMD,
    RECV_TEST_RSP,
    RECV_UA_RSP,
    RECV_DM_RSP,
    RECV_RD_RSP,
    RECV_I_CMD,
    RECV_I_RSP,
    RECV_UI_FRAME,
    RECV_FRMR_RSP,
    RECV_RR_CMD,
    RECV_RR_RSP,
    RECV_RNR_CMD,
    RECV_RNR_RSP,
    RECV_REJ_CMD,
    RECV_REJ_RSP,
    RECV_SREJ_CMD,
    RECV_SREJ_RSP,
    RECV_DISC_CMD,

    /* Timer events */
    SLOT_TIMER_EXPIRED,
    QUERY_TIMER_EXPIRED,
    FINAL_TIMER_EXPIRED,
    POLL_TIMER_EXPIRED,
    DISCOVERY_TIMER_EXPIRED,
    WD_TIMER_EXPIRED,
    BACKOFF_TIMER_EXPIRED,
    MEDIA_BUSY_TIMER_EXPIRED,
} IRLAP_EVENT;

/*
 * Disconnect reason code
 */
typedef enum { /* FIXME check the two first reason codes */
    LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
    LAP_NO_RESPONSE,       /* To many retransmits without response */
    LAP_RESET_INDICATION,  /* To many retransmits, or invalid nr/ns */
    LAP_FOUND_NONE,        /* No devices were discovered */
    LAP_MEDIA_BUSY,
    LAP_PRIMARY_CONFLICT,
} LAP_REASON;

extern const char *const irlap_state[];

void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event, 
            struct sk_buff *skb, struct irlap_info *info);
void irlap_print_event(IRLAP_EVENT event);

extern int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);

#endif