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1/*********************************************************************
2 *
3 * Filename: irmod.h
4 * Version: 0.3
5 * Description: IrDA module and utilities functions
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Mon Dec 15 13:58:52 1997
9 * Modified at: Fri Jan 28 13:15:24 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 charg.
23 *
24 ********************************************************************/
25
26#ifndef IRMOD_H
27#define IRMOD_H
28
29/* Misc status information */
30typedef enum {
31 STATUS_OK,
32 STATUS_ABORTED,
33 STATUS_NO_ACTIVITY,
34 STATUS_NOISY,
35 STATUS_REMOTE,
36} LINK_STATUS;
37
38typedef enum {
39 LOCK_NO_CHANGE,
40 LOCK_LOCKED,
41 LOCK_UNLOCKED,
42} LOCK_STATUS;
43
44typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW;
45
46/*
47 * IrLMP disconnect reasons. The order is very important, since they
48 * correspond to disconnect reasons sent in IrLMP disconnect frames, so
49 * please do not touch :-)
50 */
51typedef enum {
52 LM_USER_REQUEST = 1, /* User request */
53 LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */
54 LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */
55 LM_LAP_RESET, /* IrLAP reset */
56 LM_INIT_DISCONNECT, /* Link Management initiated disconnect */
57 LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */
58 LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */
59 LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */
60 LM_CONN_HALF_OPEN, /* Connection is half open */
61 LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */
62} LM_REASON;
63#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */
64
65/* A few forward declarations (to make compiler happy) */
66struct qos_info; /* in <net/irda/qos.h> */
67
68/*
69 * Notify structure used between transport and link management layers
70 */
71typedef struct {
72 int (*data_indication)(void *priv, void *sap, struct sk_buff *skb);
73 int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb);
74 void (*connect_confirm)(void *instance, void *sap,
75 struct qos_info *qos, __u32 max_sdu_size,
76 __u8 max_header_size, struct sk_buff *skb);
77 void (*connect_indication)(void *instance, void *sap,
78 struct qos_info *qos, __u32 max_sdu_size,
79 __u8 max_header_size, struct sk_buff *skb);
80 void (*disconnect_indication)(void *instance, void *sap,
81 LM_REASON reason, struct sk_buff *);
82 void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow);
83 void (*status_indication)(void *instance,
84 LINK_STATUS link, LOCK_STATUS lock);
85 void *instance; /* Layer instance pointer */
86 char name[16]; /* Name of layer */
87} notify_t;
88
89#define NOTIFY_MAX_NAME 16
90
91/* Zero the notify structure */
92void irda_notify_init(notify_t *notify);
93
94/* Locking wrapper - Note the inverted logic on irda_lock().
95 * Those function basically return false if the lock is already in the
96 * position you want to set it. - Jean II */
97#define irda_lock(lock) (! test_and_set_bit(0, (void *) (lock)))
98#define irda_unlock(lock) (test_and_clear_bit(0, (void *) (lock)))
99
100#endif /* IRMOD_H */
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1/*********************************************************************
2 *
3 * Filename: irmod.h
4 * Version: 0.3
5 * Description: IrDA module and utilities functions
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Mon Dec 15 13:58:52 1997
9 * Modified at: Fri Jan 28 13:15:24 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 charg.
23 *
24 ********************************************************************/
25
26#ifndef IRMOD_H
27#define IRMOD_H
28
29/* Misc status information */
30typedef enum {
31 STATUS_OK,
32 STATUS_ABORTED,
33 STATUS_NO_ACTIVITY,
34 STATUS_NOISY,
35 STATUS_REMOTE,
36} LINK_STATUS;
37
38typedef enum {
39 LOCK_NO_CHANGE,
40 LOCK_LOCKED,
41 LOCK_UNLOCKED,
42} LOCK_STATUS;
43
44typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW;
45
46/*
47 * IrLMP disconnect reasons. The order is very important, since they
48 * correspond to disconnect reasons sent in IrLMP disconnect frames, so
49 * please do not touch :-)
50 */
51typedef enum {
52 LM_USER_REQUEST = 1, /* User request */
53 LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */
54 LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */
55 LM_LAP_RESET, /* IrLAP reset */
56 LM_INIT_DISCONNECT, /* Link Management initiated disconnect */
57 LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */
58 LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */
59 LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */
60 LM_CONN_HALF_OPEN, /* Connection is half open */
61 LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */
62} LM_REASON;
63#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */
64
65/* A few forward declarations (to make compiler happy) */
66struct qos_info; /* in <net/irda/qos.h> */
67
68/*
69 * Notify structure used between transport and link management layers
70 */
71typedef struct {
72 int (*data_indication)(void *priv, void *sap, struct sk_buff *skb);
73 int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb);
74 void (*connect_confirm)(void *instance, void *sap,
75 struct qos_info *qos, __u32 max_sdu_size,
76 __u8 max_header_size, struct sk_buff *skb);
77 void (*connect_indication)(void *instance, void *sap,
78 struct qos_info *qos, __u32 max_sdu_size,
79 __u8 max_header_size, struct sk_buff *skb);
80 void (*disconnect_indication)(void *instance, void *sap,
81 LM_REASON reason, struct sk_buff *);
82 void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow);
83 void (*status_indication)(void *instance,
84 LINK_STATUS link, LOCK_STATUS lock);
85 void *instance; /* Layer instance pointer */
86 char name[16]; /* Name of layer */
87} notify_t;
88
89#define NOTIFY_MAX_NAME 16
90
91/* Zero the notify structure */
92void irda_notify_init(notify_t *notify);
93
94/* Locking wrapper - Note the inverted logic on irda_lock().
95 * Those function basically return false if the lock is already in the
96 * position you want to set it. - Jean II */
97#define irda_lock(lock) (! test_and_set_bit(0, (void *) (lock)))
98#define irda_unlock(lock) (test_and_clear_bit(0, (void *) (lock)))
99
100#endif /* IRMOD_H */
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