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:   Sat Dec 25 16:42:09 1999
10 * Modified by:   Dag Brattli <dagb@cs.uit.no>
11 *
12 *     Copyright (c) 1997-1999 Dag Brattli <dagb@cs.uit.no>,
13 *     All Rights Reserved.
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 Troms� 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 IRIAP_H
27#define IRIAP_H
28
29#include <linux/types.h>
30#include <linux/skbuff.h>
31
32#include <net/irda/qos.h>
33#include <net/irda/iriap_event.h>
34#include <net/irda/irias_object.h>
35#include <net/irda/irqueue.h>
36#include <net/irda/timer.h>
37
38#define IAP_LST 0x80
39#define IAP_ACK 0x40
40
41#define IAS_SERVER 0
42#define IAS_CLIENT 1
43
44/* IrIAP Op-codes */
45#define GET_INFO_BASE      0x01
46#define GET_OBJECTS        0x02
47#define GET_VALUE          0x03
48#define GET_VALUE_BY_CLASS 0x04
49#define GET_OBJECT_INFO    0x05
50#define GET_ATTRIB_NAMES   0x06
51
52#define IAS_SUCCESS        0
53#define IAS_CLASS_UNKNOWN  1
54#define IAS_ATTRIB_UNKNOWN 2
55#define IAS_DISCONNECT     10
56
57typedef void (*CONFIRM_CALLBACK)(int result, __u16 obj_id,
58				 struct ias_value *value, void *priv);
59
60struct iriap_cb {
61	irda_queue_t q; /* Must be first */
62	magic_t magic;  /* Magic cookie */
63
64	int          mode;   /* Client or server */
65
66	__u32        saddr;
67	__u32        daddr;
68	__u8         operation;
69
70	struct sk_buff *skb;
71	struct lsap_cb *lsap;
72	__u8 slsap_sel;
73
74	/* Client states */
75	IRIAP_STATE client_state;
76	IRIAP_STATE call_state;
77
78	/* Server states */
79	IRIAP_STATE server_state;
80	IRIAP_STATE r_connect_state;
81
82	CONFIRM_CALLBACK confirm;
83	void *priv;                /* Used to identify client */
84
85	__u8 max_header_size;
86	__u32 max_data_size;
87
88	struct timer_list watchdog_timer;
89};
90
91int  iriap_init(void);
92void iriap_cleanup(void);
93
94struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv,
95			    CONFIRM_CALLBACK callback);
96void iriap_close(struct iriap_cb *self);
97
98int iriap_getvaluebyclass_request(struct iriap_cb *self,
99				  __u32 saddr, __u32 daddr,
100				  char *name, char *attr);
101void iriap_getvaluebyclass_confirm(struct iriap_cb *self, struct sk_buff *skb);
102void iriap_connect_request(struct iriap_cb *self);
103void iriap_send_ack( struct iriap_cb *self);
104void iriap_call_indication(struct iriap_cb *self, struct sk_buff *skb);
105
106void iriap_register_server(void);
107
108void iriap_watchdog_timer_expired(void *data);
109
110static inline void iriap_start_watchdog_timer(struct iriap_cb *self,
111					      int timeout)
112{
113	irda_start_timer(&self->watchdog_timer, timeout, self,
114			 iriap_watchdog_timer_expired);
115}
116
117#endif
118
119
120