/*********************************************************************
*
*
* 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);

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

#endif