include/net/irda/iriap.h

   1 /*********************************************************************
   2  *
   3  * Filename:      iriap.h
   4  * Version:       0.5
   5  * Description:   Information Access Protocol (IAP)
   6  * Status:        Experimental.
   7  * Author:        Dag Brattli <dagb@cs.uit.no>
   8  * Created at:    Thu Aug 21 00:02:07 1997
   9  * Modified at:   Sun May  9 10:56:57 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>, All Rights Reserved.
  13  *
  14  *     This program is free software; you can redistribute it and/or
  15  *     modify it under the terms of the GNU General Public License as
  16  *     published by the Free Software Foundation; either version 2 of
  17  *     the License, or (at your option) any later version.
  18  *
  19  *     Neither Dag Brattli nor University of Tromsø admit liability nor
  20  *     provide warranty for any of this software. This material is
  21  *     provided "AS-IS" and at no charge.
  22  *
  23  ********************************************************************/
  24
  25 #ifndef IRIAP_H
  26 #define IRIAP_H
  27
  28 #include <linux/types.h>
  29 #include <linux/skbuff.h>
  30
  31 #include <net/irda/qos.h>
  32 #include <net/irda/iriap_event.h>
  33 #include <net/irda/irias_object.h>
  34 #include <net/irda/irqueue.h>
  35 #include <net/irda/timer.h>
  36
  37 #define IAP_LST 0x80
  38 #define IAP_ACK 0x40
  39
  40 #define IAS_SERVER 0
  41 #define IAS_CLIENT 1
  42
  43 /* IrIAP Op-codes */
  44 #define GET_INFO_BASE      0x01
  45 #define GET_OBJECTS        0x02
  46 #define GET_VALUE          0x03
  47 #define GET_VALUE_BY_CLASS 0x04
  48 #define GET_OBJECT_INFO    0x05
  49 #define GET_ATTRIB_NAMES   0x06
  50
  51 #define IAS_SUCCESS        0
  52 #define IAS_CLASS_UNKNOWN  1
  53 #define IAS_ATTRIB_UNKNOWN 2
  54 #define IAS_DISCONNECT     10
  55
  56 typedef void (*CONFIRM_CALLBACK)(int result, __u16 obj_id,
  57                                  struct ias_value *value, void *priv);
  58
  59 struct iriap_cb {
  60         QUEUE queue; /* Must be first */
  61
  62         int          magic;  /* Magic cookie */
  63         int          mode;   /* Client or server */
  64
  65         __u32        saddr;
  66         __u32        daddr;
  67         __u8         operation;
  68
  69         struct sk_buff *skb;
  70         struct lsap_cb *lsap;
  71         __u8 slsap_sel;
  72
  73         /* Client states */
  74         IRIAP_STATE client_state;
  75         IRIAP_STATE call_state;
  76
  77         /* Server states */
  78         IRIAP_STATE server_state;
  79         IRIAP_STATE r_connect_state;
  80
  81         CONFIRM_CALLBACK confirm;
  82         void *priv;
  83
  84         __u8 max_header_size;
  85
  86         struct timer_list watchdog_timer;
  87 };
  88
  89 int  iriap_init(void);
  90 void iriap_cleanup(void);
  91 void iriap_getvaluebyclass_request( char *name, char *attr,
  92                                     __u32 saddr, __u32 daddr,
  93                                     CONFIRM_CALLBACK callback, void *priv);
  94 void iriap_getvaluebyclass_confirm(struct iriap_cb *self, struct sk_buff *skb);
  95
  96 void iriap_send_ack( struct iriap_cb *self);
  97 void iriap_call_indication(struct iriap_cb *self, struct sk_buff *skb);
  98
  99 void iriap_register_server(void);
 100
 101 void iriap_watchdog_timer_expired( unsigned long data);
 102
 103 static inline void iriap_start_watchdog_timer( struct iriap_cb *self,
 104                                                int timeout)
 105 {
 106         irda_start_timer( &self->watchdog_timer, timeout,
 107                           (unsigned long) self, iriap_watchdog_timer_expired);
 108 }
 109
 110 #endif
 111
 112