File: irlan_common.h

package info (click to toggle)
kernel-source-2.2.1 2.2.1-1
  • links: PTS
  • area: main
  • in suites: slink
  • size: 61,788 kB
  • ctags: 188,316
  • sloc: ansic: 1,114,164; asm: 49,922; makefile: 8,185; sh: 1,745; perl: 856; tcl: 409; lisp: 218; cpp: 186; awk: 133; sed: 72
file content (199 lines) | stat: -rw-r--r-- 5,095 bytes parent folder | download | duplicates (2)
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
/*********************************************************************
 *                
 * Filename:      irlan.h
 * Version:       0.1
 * Description:   IrDA LAN access layer
 * Status:        Experimental.
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Sun Aug 31 20:14:37 1997
 * Modified at:   Thu Oct 29 13:23:11 1998
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 * 
 *     Copyright (c) 1998 Dag Brattli <dagb@cs.uit.no>, 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 Troms admit liability nor
 *     provide warranty for any of this software. This material is 
 *     provided "AS-IS" and at no charge.
 *
 ********************************************************************/

#ifndef IRLAN_H
#define IRLAN_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>

#include "irqueue.h"
#include "irttp.h"

#define IRLAN_MTU 1518

/* Command packet types */
#define CMD_GET_PROVIDER_INFO   0
#define CMD_GET_MEDIA_CHAR      1
#define CMD_OPEN_DATA_CHANNEL   2
#define CMD_CLOSE_DATA_CHAN     3
#define CMD_RECONNECT_DATA_CHAN 4
#define CMD_FILTER_OPERATION    5

/* Some responses */
#define RSP_SUCCESS                 0
#define RSP_INSUFFICIENT_RESOURCES  1
#define RSP_INVALID_COMMAND_FORMAT  2
#define RSP_COMMAND_NOT_SUPPORTED   3
#define RSP_PARAM_NOT_SUPPORTED     4
#define RSP_VALUE_NOT_SUPPORTED     5
#define RSP_NOT_OPEN                6
#define RSP_AUTHENTICATION_REQUIRED 7
#define RSP_INVALID_PASSWORD        8
#define RSP_PROTOCOL_ERROR          9
#define RSP_ASYNCHRONOUS_ERROR    255

/* Media types */
#define MEDIA_802_3 1
#define MEDIA_802_5 2

/* Filter parameters */
#define DATA_CHAN 1
#define FILTER_TYPE 2
#define FILTER_MODE 3

/* Filter types */
#define IR_DIRECTED   1
#define IR_FUNCTIONAL 2
#define IR_GROUP      3
#define IR_MAC_FRAME  4
#define IR_MULTICAST  5
#define IR_BROADCAST  6
#define IR_IPX_SOCKET 7

/* Filter modes */
#define ALL    1
#define FILTER 2
#define NONE   3

/* Filter operations */
#define GET     1
#define CLEAR   2
#define ADD     3
#define REMOVE  4
#define DYNAMIC 5

/* Access types */
#define DIRECT 1
#define PEER   2
#define HOSTED 3

#define IRLAN_MAX_HEADER (TTP_HEADER+LMP_HEADER+LAP_HEADER)

/*
 *  IrLAN client subclass
 */
struct irlan_client_cb {
	/*
	 *  Client fields
	 */
	int open_retries;
	
	__u8 reconnect_key[255];
	__u8 key_len;
	
	int unicast_open;
	int broadcast_open;
};

/*
 * IrLAN servers subclass
 */
struct irlan_server_cb {
	
	/*
	 *  Store some values here which are used by the irlan_server to parse
	 *  FILTER_OPERATIONs
	 */
	int data_chan;
	int filter_type;
	int filter_mode;
	int filter_operation;
	int filter_entry;

	__u8 mac_address[6]; /* Generated MAC address for peer device */
};

/*
 *  IrLAN super class
 */
struct irlan_cb {
	QUEUE queue; /* Must be first */

	int    magic;
	char   ifname[9];
	struct device dev;  /* Ethernet device structure*/
	struct enet_statistics stats;

	__u32 saddr;        /* Source devcie address */
	__u32 daddr;        /* Destination device address */
	int   connected;    /* TTP layer ready to exchange ether frames */
	
	int state;  /* Current state of IrLAN layer */

	int media;	
	
	struct tsap_cb *tsap_ctrl;
	struct tsap_cb *tsap_data;

	int  use_udata;  /* Use Unit Data transfers */

	__u8 dtsap_sel_data; /* Destination data TSAP selector */
	__u8 stsap_sel_data; /* Source data TSAP selector */
	__u8 dtsap_sel_ctrl; /* Destination ctrl TSAP selector */

	int client; /* Client or server */
	union {
		struct irlan_client_cb client;
		struct irlan_server_cb server;
	} t;

	/* void (*irlan_dev_init)(struct irlan_cb *); */

	/* 
         *  Used by extract_params, placed here for now to avoid placing 
         *  them on the stack. FIXME: remove these!
         */
        char name[255];
        char value[1016];
};

struct irlan_cb *irlan_open(void);

void irlan_get_provider_info( struct irlan_cb *self);
void irlan_get_unicast_addr( struct irlan_cb *self);
void irlan_get_media_char( struct irlan_cb *self);
void irlan_open_data_channel( struct irlan_cb *self);
void irlan_set_multicast_filter( struct irlan_cb *self, int status);
void irlan_set_broadcast_filter( struct irlan_cb *self, int status);
void irlan_open_unicast_addr( struct irlan_cb *self);

int insert_byte_param( struct sk_buff *skb, char *param, __u8 value);
int insert_string_param( struct sk_buff *skb, char *param, char *value);
int insert_array_param( struct sk_buff *skb, char *name, __u8 *value, 
			__u16 value_len);

int insert_param( struct sk_buff *skb, char *param, int type, char *value_char,
		  __u8 value_byte, __u16 value_short);

int irlan_get_response_param( __u8 *buf, char *name, char *value, int *len);
void print_ret_code( __u8 code);

extern hashbin_t *irlan;

#endif