af_irda.h

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/*********************************************************************
 *                
 * Filename:      af_irda.h
 * Version:       1.0
 * Description:   IrDA sockets declarations
 * Status:        Stable
 * Author:        Dag Brattli <[email protected]>
 * Created at:    Tue Dec  9 21:13:12 1997
 * Modified at:   Fri Jan 28 13:16:32 2000
 * Modified by:   Dag Brattli <[email protected]>
 * 
 *     Copyright (c) 1998-2000 Dag Brattli, 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.
 *  
 *     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 AF_IRDA_H
#define AF_IRDA_H

#include <linux/irda.h>
#include <net/irda/irda.h>
#include <net/irda/iriap.h>     /* struct iriap_cb */
#include <net/irda/irias_object.h>  /* struct ias_value */
#include <net/irda/irlmp.h>     /* struct lsap_cb */
#include <net/irda/irttp.h>     /* struct tsap_cb */
#include <net/irda/discovery.h>     /* struct discovery_t */
#include <net/sock.h>

/* IrDA Socket */
struct irda_sock {
    /* struct sock has to be the first member of irda_sock */
    struct sock sk;
    __u32 saddr;          /* my local address */
    __u32 daddr;          /* peer address */

    struct lsap_cb *lsap; /* LSAP used by Ultra */
    __u8  pid;            /* Protocol IP (PID) used by Ultra */

    struct tsap_cb *tsap; /* TSAP used by this connection */
    __u8 dtsap_sel;       /* remote TSAP address */
    __u8 stsap_sel;       /* local TSAP address */
    
    __u32 max_sdu_size_rx;
    __u32 max_sdu_size_tx;
    __u32 max_data_size;
    __u8  max_header_size;
    struct qos_info qos_tx;

    __u16_host_order mask;           /* Hint bits mask */
    __u16_host_order hints;          /* Hint bits */

    void *ckey;           /* IrLMP client handle */
    void *skey;           /* IrLMP service handle */

    struct ias_object *ias_obj;   /* Our service name + lsap in IAS */
    struct iriap_cb *iriap;       /* Used to query remote IAS */
    struct ias_value *ias_result; /* Result of remote IAS query */

    hashbin_t *cachelog;        /* Result of discovery query */
    __u32 cachedaddr;   /* Result of selective discovery query */

    int nslots;           /* Number of slots to use for discovery */

    int errno;            /* status of the IAS query */

    wait_queue_head_t query_wait;   /* Wait for the answer to a query */
    struct timer_list watchdog; /* Timeout for discovery */

    LOCAL_FLOW tx_flow;
    LOCAL_FLOW rx_flow;
};

static inline struct irda_sock *irda_sk(struct sock *sk)
{
    return (struct irda_sock *)sk;
}

#endif /* AF_IRDA_H */