iriap.h

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/*********************************************************************
 *                
 * Filename:      iriap.h
 * Version:       0.5
 * Description:   Information Access Protocol (IAP)
 * Status:        Experimental.
 * Author:        Dag Brattli <[email protected]>
 * Created at:    Thu Aug 21 00:02:07 1997
 * Modified at:   Sat Dec 25 16:42:09 1999
 * Modified by:   Dag Brattli <[email protected]>
 * 
 *     Copyright (c) 1997-1999 Dag Brattli <[email protected]>, 
 *     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 IRIAP_H
#define IRIAP_H

#include <linux/types.h>
#include <linux/skbuff.h>

#include <net/irda/iriap_event.h>
#include <net/irda/irias_object.h>
#include <net/irda/irqueue.h>       /* irda_queue_t */
#include <net/irda/timer.h>     /* struct timer_list */

#define IAP_LST 0x80
#define IAP_ACK 0x40

#define IAS_SERVER 0
#define IAS_CLIENT 1

/* IrIAP Op-codes */
#define GET_INFO_BASE      0x01
#define GET_OBJECTS        0x02
#define GET_VALUE          0x03
#define GET_VALUE_BY_CLASS 0x04
#define GET_OBJECT_INFO    0x05
#define GET_ATTRIB_NAMES   0x06

#define IAS_SUCCESS        0
#define IAS_CLASS_UNKNOWN  1
#define IAS_ATTRIB_UNKNOWN 2
#define IAS_DISCONNECT     10

typedef void (*CONFIRM_CALLBACK)(int result, __u16 obj_id, 
                 struct ias_value *value, void *priv);

struct iriap_cb {
    irda_queue_t q; /* Must be first */ 
    magic_t magic;  /* Magic cookie */

    int          mode;   /* Client or server */

    __u32        saddr;
    __u32        daddr;
    __u8         operation;

    struct sk_buff *request_skb;
    struct lsap_cb *lsap;
    __u8 slsap_sel;

    /* Client states */
    IRIAP_STATE client_state;
    IRIAP_STATE call_state;
    
    /* Server states */
    IRIAP_STATE server_state;
    IRIAP_STATE r_connect_state;
    
    CONFIRM_CALLBACK confirm;
    void *priv;                /* Used to identify client */

    __u8 max_header_size;
    __u32 max_data_size;
    
    struct timer_list watchdog_timer;
};

int  iriap_init(void);
void iriap_cleanup(void);

struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv, 
                CONFIRM_CALLBACK callback);
void iriap_close(struct iriap_cb *self);

int iriap_getvaluebyclass_request(struct iriap_cb *self, 
                  __u32 saddr, __u32 daddr,
                  char *name, char *attr);
void iriap_connect_request(struct iriap_cb *self);
void iriap_send_ack( struct iriap_cb *self);
void iriap_call_indication(struct iriap_cb *self, struct sk_buff *skb);

void iriap_register_server(void);

#endif