include/net/irda/af_irda.h

   1 /*********************************************************************
   2  *
   3  * Filename:      af_irda.h
   4  * Version:       1.0
   5  * Description:   IrDA sockets declarations
   6  * Status:        Stable
   7  * Author:        Dag Brattli <dagb@cs.uit.no>
   8  * Created at:    Tue Dec  9 21:13:12 1997
   9  * Modified at:   Fri Jan 28 13:16:32 2000
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
  13  *     Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
  14  *
  15  *     This program is free software; you can redistribute it and/or
  16  *     modify it under the terms of the GNU General Public License as
  17  *     published by the Free Software Foundation; either version 2 of
  18  *     the License, or (at your option) any later version.
  19  *
  20  *     Neither Dag Brattli nor University of Tromsø admit liability nor
  21  *     provide warranty for any of this software. This material is
  22  *     provided "AS-IS" and at no charge.
  23  *
  24  ********************************************************************/
  25
  26 #ifndef AF_IRDA_H
  27 #define AF_IRDA_H
  28
  29 #include <linux/irda.h>
  30 #include <net/irda/irda.h>
  31 #include <net/irda/iriap.h>             /* struct iriap_cb */
  32 #include <net/irda/irias_object.h>      /* struct ias_value */
  33 #include <net/irda/irlmp.h>             /* struct lsap_cb */
  34 #include <net/irda/irttp.h>             /* struct tsap_cb */
  35 #include <net/irda/discovery.h>         /* struct discovery_t */
  36 #include <net/sock.h>
  37
  38 /* IrDA Socket */
  39 struct irda_sock {
  40         /* struct sock has to be the first member of irda_sock */
  41         struct sock sk;
  42         __u32 saddr;          /* my local address */
  43         __u32 daddr;          /* peer address */
  44
  45         struct lsap_cb *lsap; /* LSAP used by Ultra */
  46         __u8  pid;            /* Protocol IP (PID) used by Ultra */
  47
  48         struct tsap_cb *tsap; /* TSAP used by this connection */
  49         __u8 dtsap_sel;       /* remote TSAP address */
  50         __u8 stsap_sel;       /* local TSAP address */
  51
  52         __u32 max_sdu_size_rx;
  53         __u32 max_sdu_size_tx;
  54         __u32 max_data_size;
  55         __u8  max_header_size;
  56         struct qos_info qos_tx;
  57
  58         __u16_host_order mask;           /* Hint bits mask */
  59         __u16_host_order hints;          /* Hint bits */
  60
  61         void *ckey;           /* IrLMP client handle */
  62         void *skey;           /* IrLMP service handle */
  63
  64         struct ias_object *ias_obj;   /* Our service name + lsap in IAS */
  65         struct iriap_cb *iriap;       /* Used to query remote IAS */
  66         struct ias_value *ias_result; /* Result of remote IAS query */
  67
  68         hashbin_t *cachelog;            /* Result of discovery query */
  69         __u32 cachedaddr;       /* Result of selective discovery query */
  70
  71         int nslots;           /* Number of slots to use for discovery */
  72
  73         int errno;            /* status of the IAS query */
  74
  75         wait_queue_head_t query_wait;   /* Wait for the answer to a query */
  76         struct timer_list watchdog;     /* Timeout for discovery */
  77
  78         LOCAL_FLOW tx_flow;
  79         LOCAL_FLOW rx_flow;
  80 };
  81
  82 static inline struct irda_sock *irda_sk(struct sock *sk)
  83 {
  84         return (struct irda_sock *)sk;
  85 }
  86
  87 #endif /* AF_IRDA_H */