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1 | /********************************************************************* |
2 | * | |
3 | * Filename: irlan_common.h | |
4 | * Version: 0.8 | |
5 | * Description: IrDA LAN access layer | |
6 | * Status: Experimental. | |
7 | * Author: Dag Brattli <dagb@cs.uit.no> | |
8 | * Created at: Sun Aug 31 20:14:37 1997 | |
9 | * Modified at: Sun Oct 31 19:41:24 1999 | |
10 | * Modified by: Dag Brattli <dagb@cs.uit.no> | |
11 | * | |
12 | * Copyright (c) 1998-1999 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 | * | |
121e70b6 | 20 | * Neither Dag Brattli nor University of Tromsø admit liability nor |
1da177e4 LT |
21 | * provide warranty for any of this software. This material is |
22 | * provided "AS-IS" and at no charge. | |
23 | * | |
24 | ********************************************************************/ | |
25 | ||
26 | #ifndef IRLAN_H | |
27 | #define IRLAN_H | |
28 | ||
29 | #include <asm/param.h> /* for HZ */ | |
30 | ||
31 | #include <linux/kernel.h> | |
32 | #include <linux/types.h> | |
33 | #include <linux/skbuff.h> | |
34 | #include <linux/netdevice.h> | |
35 | ||
36 | #include <net/irda/irttp.h> | |
37 | ||
38 | #define IRLAN_MTU 1518 | |
39 | #define IRLAN_TIMEOUT 10*HZ /* 10 seconds */ | |
40 | ||
41 | /* Command packet types */ | |
42 | #define CMD_GET_PROVIDER_INFO 0 | |
43 | #define CMD_GET_MEDIA_CHAR 1 | |
44 | #define CMD_OPEN_DATA_CHANNEL 2 | |
45 | #define CMD_CLOSE_DATA_CHAN 3 | |
46 | #define CMD_RECONNECT_DATA_CHAN 4 | |
47 | #define CMD_FILTER_OPERATION 5 | |
48 | ||
49 | /* Some responses */ | |
50 | #define RSP_SUCCESS 0 | |
51 | #define RSP_INSUFFICIENT_RESOURCES 1 | |
52 | #define RSP_INVALID_COMMAND_FORMAT 2 | |
53 | #define RSP_COMMAND_NOT_SUPPORTED 3 | |
54 | #define RSP_PARAM_NOT_SUPPORTED 4 | |
55 | #define RSP_VALUE_NOT_SUPPORTED 5 | |
56 | #define RSP_NOT_OPEN 6 | |
57 | #define RSP_AUTHENTICATION_REQUIRED 7 | |
58 | #define RSP_INVALID_PASSWORD 8 | |
59 | #define RSP_PROTOCOL_ERROR 9 | |
60 | #define RSP_ASYNCHRONOUS_ERROR 255 | |
61 | ||
62 | /* Media types */ | |
63 | #define MEDIA_802_3 1 | |
64 | #define MEDIA_802_5 2 | |
65 | ||
66 | /* Filter parameters */ | |
67 | #define DATA_CHAN 1 | |
68 | #define FILTER_TYPE 2 | |
69 | #define FILTER_MODE 3 | |
70 | ||
71 | /* Filter types */ | |
72 | #define IRLAN_DIRECTED 0x01 | |
73 | #define IRLAN_FUNCTIONAL 0x02 | |
74 | #define IRLAN_GROUP 0x04 | |
75 | #define IRLAN_MAC_FRAME 0x08 | |
76 | #define IRLAN_MULTICAST 0x10 | |
77 | #define IRLAN_BROADCAST 0x20 | |
78 | #define IRLAN_IPX_SOCKET 0x40 | |
79 | ||
80 | /* Filter modes */ | |
81 | #define ALL 1 | |
82 | #define FILTER 2 | |
83 | #define NONE 3 | |
84 | ||
85 | /* Filter operations */ | |
86 | #define GET 1 | |
87 | #define CLEAR 2 | |
88 | #define ADD 3 | |
89 | #define REMOVE 4 | |
90 | #define DYNAMIC 5 | |
91 | ||
92 | /* Access types */ | |
93 | #define ACCESS_DIRECT 1 | |
94 | #define ACCESS_PEER 2 | |
95 | #define ACCESS_HOSTED 3 | |
96 | ||
97 | #define IRLAN_BYTE 0 | |
98 | #define IRLAN_SHORT 1 | |
99 | #define IRLAN_ARRAY 2 | |
100 | ||
1b0fee7d SO |
101 | /* IrLAN sits on top if IrTTP */ |
102 | #define IRLAN_MAX_HEADER (TTP_HEADER+LMP_HEADER) | |
103 | /* 1 byte for the command code and 1 byte for the parameter count */ | |
104 | #define IRLAN_CMD_HEADER 2 | |
105 | ||
106 | #define IRLAN_STRING_PARAMETER_LEN(name, value) (1 + strlen((name)) + 2 \ | |
107 | + strlen ((value))) | |
108 | #define IRLAN_BYTE_PARAMETER_LEN(name) (1 + strlen((name)) + 2 + 1) | |
109 | #define IRLAN_SHORT_PARAMETER_LEN(name) (1 + strlen((name)) + 2 + 2) | |
1da177e4 LT |
110 | |
111 | /* | |
112 | * IrLAN client | |
113 | */ | |
114 | struct irlan_client_cb { | |
115 | int state; | |
116 | ||
117 | int open_retries; | |
118 | ||
119 | struct tsap_cb *tsap_ctrl; | |
120 | __u32 max_sdu_size; | |
121 | __u8 max_header_size; | |
122 | ||
123 | int access_type; /* Access type of provider */ | |
124 | __u8 reconnect_key[255]; | |
125 | __u8 key_len; | |
126 | ||
127 | __u16 recv_arb_val; | |
128 | __u16 max_frame; | |
129 | int filter_type; | |
130 | ||
131 | int unicast_open; | |
132 | int broadcast_open; | |
133 | ||
134 | int tx_busy; | |
135 | struct sk_buff_head txq; /* Transmit control queue */ | |
136 | ||
137 | struct iriap_cb *iriap; | |
138 | ||
139 | struct timer_list kick_timer; | |
140 | }; | |
141 | ||
142 | /* | |
143 | * IrLAN provider | |
144 | */ | |
145 | struct irlan_provider_cb { | |
146 | int state; | |
147 | ||
148 | struct tsap_cb *tsap_ctrl; | |
149 | __u32 max_sdu_size; | |
150 | __u8 max_header_size; | |
151 | ||
152 | /* | |
153 | * Store some values here which are used by the provider to parse | |
154 | * the filter operations | |
155 | */ | |
156 | int data_chan; | |
157 | int filter_type; | |
158 | int filter_mode; | |
159 | int filter_operation; | |
160 | int filter_entry; | |
161 | int access_type; /* Access type */ | |
162 | __u16 send_arb_val; | |
163 | ||
164 | __u8 mac_address[6]; /* Generated MAC address for peer device */ | |
165 | }; | |
166 | ||
167 | /* | |
168 | * IrLAN control block | |
169 | */ | |
170 | struct irlan_cb { | |
171 | int magic; | |
172 | struct list_head dev_list; | |
173 | struct net_device *dev; /* Ethernet device structure*/ | |
174 | struct net_device_stats stats; | |
175 | ||
176 | __u32 saddr; /* Source device address */ | |
177 | __u32 daddr; /* Destination device address */ | |
178 | int disconnect_reason; /* Why we got disconnected */ | |
179 | ||
180 | int media; /* Media type */ | |
181 | __u8 version[2]; /* IrLAN version */ | |
182 | ||
183 | struct tsap_cb *tsap_data; /* Data TSAP */ | |
184 | ||
185 | int use_udata; /* Use Unit Data transfers */ | |
186 | ||
187 | __u8 stsap_sel_data; /* Source data TSAP selector */ | |
188 | __u8 dtsap_sel_data; /* Destination data TSAP selector */ | |
189 | __u8 dtsap_sel_ctrl; /* Destination ctrl TSAP selector */ | |
190 | ||
191 | struct irlan_client_cb client; /* Client specific fields */ | |
192 | struct irlan_provider_cb provider; /* Provider specific fields */ | |
193 | ||
194 | __u32 max_sdu_size; | |
195 | __u8 max_header_size; | |
196 | ||
197 | wait_queue_head_t open_wait; | |
198 | struct timer_list watchdog_timer; | |
199 | }; | |
200 | ||
201 | void irlan_close(struct irlan_cb *self); | |
202 | void irlan_close_tsaps(struct irlan_cb *self); | |
203 | ||
204 | int irlan_register_netdev(struct irlan_cb *self); | |
205 | void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel); | |
206 | void irlan_start_watchdog_timer(struct irlan_cb *self, int timeout); | |
207 | ||
208 | void irlan_open_data_tsap(struct irlan_cb *self); | |
209 | ||
210 | int irlan_run_ctrl_tx_queue(struct irlan_cb *self); | |
211 | ||
212 | struct irlan_cb *irlan_get_any(void); | |
213 | void irlan_get_provider_info(struct irlan_cb *self); | |
214 | void irlan_get_media_char(struct irlan_cb *self); | |
215 | void irlan_open_data_channel(struct irlan_cb *self); | |
216 | void irlan_close_data_channel(struct irlan_cb *self); | |
217 | void irlan_set_multicast_filter(struct irlan_cb *self, int status); | |
218 | void irlan_set_broadcast_filter(struct irlan_cb *self, int status); | |
219 | ||
220 | int irlan_insert_byte_param(struct sk_buff *skb, char *param, __u8 value); | |
221 | int irlan_insert_short_param(struct sk_buff *skb, char *param, __u16 value); | |
222 | int irlan_insert_string_param(struct sk_buff *skb, char *param, char *value); | |
223 | int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *value, | |
224 | __u16 value_len); | |
225 | ||
226 | int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len); | |
227 | ||
228 | #endif | |
229 | ||
230 |