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/*********************************************************************
*
* 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: Thu Dec 17 11:58:10 1998
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998 Dag Brattli <dagb@cs.uit.no>, All Rights Reserved.
*
* 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.
*
* Neither Dag Brattli nor University of Tromsø admit liability nor
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
*
********************************************************************/
#ifndef IRLAP_EVENT_H
#define IRLAP_EVENT_H
#include "irmod.h"
struct irlap_cb;
/* 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,
/* Receive events */
RECV_DISCOVERY_XID_CMD,
RECV_DISCOVERY_XID_RSP,
RECV_SNRM_CMD,
RECV_TEST_CMD,
RECV_UA_RSP,
RECV_DM_RSP,
RECV_I_CMD,
RECV_I_RSP,
RECV_UI_FRAME,
RECV_FRMR_RSP,
RECV_RR_CMD,
RECV_RR_RSP,
RECV_RNR_FRAME,
RECV_DISC_FRAME,
/* Timer events */
SLOT_TIMER_EXPIRED,
QUERY_TIMER_EXPIRED,
FINAL_TIMER_EXPIRED,
POLL_TIMER_EXPIRED,
DISCOVERY_TIMER_EXPIRED,
WD_TIMER_EXPIRED,
BACKOFF_TIMER_EXPIRED,
} IRLAP_EVENT;
/*
* Various things used by the IrLAP state machine
*/
struct irlap_info {
__u8 caddr; /* Connection address */
__u8 control; /* Frame type */
__u8 cmd;
__u32 saddr;
__u32 daddr;
int pf; /* Poll/final bit set */
__u8 nr; /* Sequence number of next frame expected */
__u8 ns; /* Sequence number of frame sent */
int S; /* Number of slots */
int slot; /* Random chosen slot */
int s; /* Current slot */
DISCOVERY *discovery; /* Discovery information */
};
extern char *irlap_state[];
void irlap_do_event( struct irlap_cb *self, IRLAP_EVENT event,
struct sk_buff *skb, struct irlap_info *info);
void irlap_next_state( struct irlap_cb *self, IRLAP_STATE state);
void irlap_print_event( IRLAP_EVENT event);
#endif
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