/*********************************************************************
 *                
 *                
 * Filename:      irlap_event.h
 * Version:       0.1
 * Description:   
 * Status:        Experimental.
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Sat Aug 16 00:59:29 1997
 * Modified at:   Tue Dec 21 11:20:30 1999
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 * 
 *     Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>, 
 *     All Rights Reserved.
 *     Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
 *     
 *     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, see <http://www.gnu.org/licenses/>.
 *     
 ********************************************************************/

#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);

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

#endif
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