1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*********************************************************************
*
* Filename: irda.h
* Version: 1.0
* Description: IrDA common include file for kernel internal use
* Status: Stable
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Tue Dec 9 21:13:12 1997
* Modified at: Fri Jan 28 13:16:32 2000
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
*
* 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 NET_IRDA_H
#define NET_IRDA_H
#include <linux/config.h>
#include <linux/skbuff.h>
#include <linux/kernel.h>
#include <linux/if.h>
#include <linux/irda.h>
typedef __u32 magic_t;
#include <net/irda/qos.h>
#include <net/irda/irqueue.h>
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef IRDA_MIN /* Lets not mix this MIN with other header files */
#define IRDA_MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef ALIGN
# define ALIGN __attribute__((aligned))
#endif
#ifndef PACK
# define PACK __attribute__((packed))
#endif
#ifdef CONFIG_IRDA_DEBUG
extern __u32 irda_debug;
/* use 0 for production, 1 for verification, >2 for debug */
#define IRDA_DEBUG_LEVEL 0
#define IRDA_DEBUG(n, args...) (irda_debug >= (n)) ? (printk(KERN_DEBUG args)) : 0
#define ASSERT(expr, func) \
if(!(expr)) { \
printk( "Assertion failed! %s,%s,%s,line=%d\n",\
#expr,__FILE__,__FUNCTION__,__LINE__); \
##func}
#else
#define IRDA_DEBUG(n, args...)
#define ASSERT(expr, func)
#endif /* CONFIG_IRDA_DEBUG */
#define WARNING(args...) printk(KERN_WARNING args)
#define MESSAGE(args...) printk(KERN_INFO args)
#define ERROR(args...) printk(KERN_ERR args)
#define MSECS_TO_JIFFIES(ms) (((ms)*HZ+999)/1000)
/*
* Magic numbers used by Linux-IrDA. Random numbers which must be unique to
* give the best protection
*/
#define IRTTY_MAGIC 0x2357
#define LAP_MAGIC 0x1357
#define LMP_MAGIC 0x4321
#define LMP_LSAP_MAGIC 0x69333
#define LMP_LAP_MAGIC 0x3432
#define IRDA_DEVICE_MAGIC 0x63454
#define IAS_MAGIC 0x007
#define TTP_MAGIC 0x241169
#define TTP_TSAP_MAGIC 0x4345
#define IROBEX_MAGIC 0x341324
#define HB_MAGIC 0x64534
#define IRLAN_MAGIC 0x754
#define IAS_OBJECT_MAGIC 0x34234
#define IAS_ATTRIB_MAGIC 0x45232
#define IRDA_TASK_MAGIC 0x38423
#define IAS_DEVICE_ID 0x0000 /* Defined by IrDA, IrLMP section 4.1 (page 68) */
#define IAS_PNP_ID 0xd342
#define IAS_OBEX_ID 0x34323
#define IAS_IRLAN_ID 0x34234
#define IAS_IRCOMM_ID 0x2343
#define IAS_IRLPT_ID 0x9876
typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW;
/* IrDA Socket */
struct tsap_cb;
struct irda_sock {
__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 mask; /* Hint bits mask */
__u16 hints; /* Hint bits */
__u32 ckey; /* IrLMP client handle */
__u32 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; /* Used by getsockopt(IRLMP_IAS_QUERY) */
int nslots; /* Number of slots to use for discovery */
int errno; /* status of the IAS query */
struct sock *sk;
wait_queue_head_t ias_wait; /* Wait for LM-IAS answer */
LOCAL_FLOW tx_flow;
LOCAL_FLOW rx_flow;
};
/*
* This type is used by the protocols that transmit 16 bits words in
* little endian format. A little endian machine stores MSB of word in
* byte[1] and LSB in byte[0]. A big endian machine stores MSB in byte[0]
* and LSB in byte[1].
*/
typedef union {
__u16 word;
__u8 byte[2];
} __u16_host_order;
/*
* Per-packet information we need to hide inside sk_buff
* (must not exceed 48 bytes, check with struct sk_buff)
*/
struct irda_skb_cb {
magic_t magic; /* Be sure that we can trust the information */
__u32 speed; /* The Speed this frame should be sent with */
__u16 mtt; /* Minimum turn around time */
int xbofs; /* Number of xbofs required, used by SIR mode */
__u8 line; /* Used by IrCOMM in IrLPT mode */
void (*destructor)(struct sk_buff *skb); /* Used for flow control */
};
/* Misc status information */
typedef enum {
STATUS_OK,
STATUS_ABORTED,
STATUS_NO_ACTIVITY,
STATUS_NOISY,
STATUS_REMOTE,
} LINK_STATUS;
typedef enum {
LOCK_NO_CHANGE,
LOCK_LOCKED,
LOCK_UNLOCKED,
} LOCK_STATUS;
typedef enum { /* FIXME check the two first reason codes */
LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
LAP_NO_RESPONSE, /* To many retransmits without response */
LAP_RESET_INDICATION, /* To many retransmits, or invalid nr/ns */
LAP_FOUND_NONE, /* No devices were discovered */
LAP_MEDIA_BUSY,
LAP_PRIMARY_CONFLICT,
} LAP_REASON;
/*
* IrLMP disconnect reasons. The order is very important, since they
* correspond to disconnect reasons sent in IrLMP disconnect frames, so
* please do not touch :-)
*/
typedef enum {
LM_USER_REQUEST = 1, /* User request */
LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */
LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */
LM_LAP_RESET, /* IrLAP reset */
LM_INIT_DISCONNECT, /* Link Management initiated disconnect */
LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */
LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */
LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */
LM_CONN_HALF_OPEN, /* Connection is half open */
LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */
} LM_REASON;
#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */
/*
* Notify structure used between transport and link management layers
*/
typedef struct {
int (*data_indication)(void *priv, void *sap, struct sk_buff *skb);
int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb);
void (*connect_confirm)(void *instance, void *sap,
struct qos_info *qos, __u32 max_sdu_size,
__u8 max_header_size, struct sk_buff *skb);
void (*connect_indication)(void *instance, void *sap,
struct qos_info *qos, __u32 max_sdu_size,
__u8 max_header_size, struct sk_buff *skb);
void (*disconnect_indication)(void *instance, void *sap,
LM_REASON reason, struct sk_buff *);
void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow);
void *instance; /* Layer instance pointer */
char name[16]; /* Name of layer */
} notify_t;
#define NOTIFY_MAX_NAME 16
#endif /* NET_IRDA_H */
|
