include/net/irda/irlan_common.h

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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: Mon May 31 13:54:20 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  *
 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 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/irqueue.h>
 37 #include <net/irda/irttp.h>
 38
 39 #define IRLAN_MTU 1518
 40 #define IRLAN_TIMEOUT 10*HZ/* 10 seconds */
 41
 42 /* Command packet types */
 43 #define CMD_GET_PROVIDER_INFO 0
 44 #define CMD_GET_MEDIA_CHAR 1
 45 #define CMD_OPEN_DATA_CHANNEL 2
 46 #define CMD_CLOSE_DATA_CHAN 3
 47 #define CMD_RECONNECT_DATA_CHAN 4
 48 #define CMD_FILTER_OPERATION 5
 49
 50 /* Some responses */
 51 #define RSP_SUCCESS 0
 52 #define RSP_INSUFFICIENT_RESOURCES 1
 53 #define RSP_INVALID_COMMAND_FORMAT 2
 54 #define RSP_COMMAND_NOT_SUPPORTED 3
 55 #define RSP_PARAM_NOT_SUPPORTED 4
 56 #define RSP_VALUE_NOT_SUPPORTED 5
 57 #define RSP_NOT_OPEN 6
 58 #define RSP_AUTHENTICATION_REQUIRED 7
 59 #define RSP_INVALID_PASSWORD 8
 60 #define RSP_PROTOCOL_ERROR 9
 61 #define RSP_ASYNCHRONOUS_ERROR 255
 62
 63 /* Media types */
 64 #define MEDIA_802_3 1
 65 #define MEDIA_802_5 2
 66
 67 /* Filter parameters */
 68 #define DATA_CHAN 1
 69 #define FILTER_TYPE 2
 70 #define FILTER_MODE 3
 71
 72 /* Filter types */
 73 #define IRLAN_DIRECTED 0x01
 74 #define IRLAN_FUNCTIONAL 0x02
 75 #define IRLAN_GROUP 0x04
 76 #define IRLAN_MAC_FRAME 0x08
 77 #define IRLAN_MULTICAST 0x10
 78 #define IRLAN_BROADCAST 0x20
 79 #define IRLAN_IPX_SOCKET 0x40
 80
 81 /* Filter modes */
 82 #define ALL 1
 83 #define FILTER 2
 84 #define NONE 3
 85
 86 /* Filter operations */
 87 #define GET 1
 88 #define CLEAR 2
 89 #define ADD 3
 90 #define REMOVE 4
 91 #define DYNAMIC 5
 92
 93 /* Access types */
 94 #define ACCESS_DIRECT 1
 95 #define ACCESS_PEER 2
 96 #define ACCESS_HOSTED 3
 97
 98 #define IRLAN_BYTE 0
 99 #define IRLAN_SHORT 1
 100 #define IRLAN_ARRAY 2
 101
 102 #define IRLAN_MAX_HEADER (TTP_HEADER+LMP_HEADER+LAP_MAX_HEADER)
 103
 104 /*
 105  * IrLAN client
 106  */
 107 struct irlan_client_cb {
 108 int state;
 109
 110 int open_retries;
 111
 112 struct tsap_cb *tsap_ctrl;
 113  __u32 max_sdu_size;
 114  __u8 max_header_size;
 115
 116 int access_type;/* Access type of provider */
 117  __u8 reconnect_key[255];
 118  __u8 key_len;
 119
 120  __u16 recv_arb_val;
 121  __u16 max_frame;
 122 int filter_type;
 123
 124 int unicast_open;
 125 int broadcast_open;
 126
 127 int tx_busy;
 128 struct sk_buff_head txq;/* Transmit control queue */
 129
 130 struct timer_list kick_timer;
 131 };
 132
 133 /*
 134  * IrLAN provider
 135  */
 136 struct irlan_provider_cb {
 137 int state;
 138
 139 struct tsap_cb *tsap_ctrl;
 140  __u32 max_sdu_size;
 141  __u8 max_header_size;
 142
 143 /*
 144  * Store some values here which are used by the provider to parse
 145  * the filter operations
 146  */
 147 int data_chan;
 148 int filter_type;
 149 int filter_mode;
 150 int filter_operation;
 151 int filter_entry;
 152 int access_type;/* Access type */
 153  __u16 send_arb_val;
 154
 155  __u8 mac_address[6];/* Generated MAC address for peer device */
 156 };
 157
 158 /*
 159  * IrLAN control block
 160  */
 161 struct irlan_cb {
 162  QUEUE queue;/* Must be first */
 163
 164 int magic;
 165 char ifname[9];
 166 struct net_device dev;/* Ethernet device structure*/
 167 struct enet_statistics stats;
 168
 169  __u32 saddr;/* Source device address */
 170  __u32 daddr;/* Destination device address */
 171 int netdev_registered;
 172 int notify_irmanager;
 173
 174 int media;/* Media type */
 175  __u8 version[2];/* IrLAN version */
 176
 177 struct tsap_cb *tsap_data;
 178
 179 int master;/* Master instance? */
 180 int use_udata;/* Use Unit Data transfers */
 181
 182  __u8 stsap_sel_data;/* Source data TSAP selector */
 183  __u8 dtsap_sel_data;/* Destination data TSAP selector */
 184  __u8 dtsap_sel_ctrl;/* Destination ctrl TSAP selector */
 185
 186 struct irlan_client_cb client;/* Client specific fields */
 187 struct irlan_provider_cb provider;/* Provider specific fields */
 188
 189  __u32 max_sdu_size;
 190  __u8 max_header_size;
 191
 192 struct timer_list watchdog_timer;
 193 };
 194
 195 struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr,int netdev);
 196 voidirlan_close(struct irlan_cb *self);
 197 voidirlan_close_tsaps(struct irlan_cb *self);
 198 voidirlan_mod_inc_use_count(void);
 199 voidirlan_mod_dec_use_count(void);
 200
 201 intirlan_register_netdev(struct irlan_cb *self);
 202 voidirlan_ias_register(struct irlan_cb *self, __u8 tsap_sel);
 203 voidirlan_start_watchdog_timer(struct irlan_cb *self,int timeout);
 204
 205 voidirlan_open_data_tsap(struct irlan_cb *self);
 206
 207 intirlan_run_ctrl_tx_queue(struct irlan_cb *self);
 208
 209 voidirlan_get_provider_info(struct irlan_cb *self);
 210 voidirlan_get_unicast_addr(struct irlan_cb *self);
 211 voidirlan_get_media_char(struct irlan_cb *self);
 212 voidirlan_open_data_channel(struct irlan_cb *self);
 213 voidirlan_close_data_channel(struct irlan_cb *self);
 214 voidirlan_set_multicast_filter(struct irlan_cb *self,int status);
 215 voidirlan_set_broadcast_filter(struct irlan_cb *self,int status);
 216 voidirlan_open_unicast_addr(struct irlan_cb *self);
 217
 218 intirlan_insert_byte_param(struct sk_buff *skb,char*param, __u8 value);
 219 intirlan_insert_short_param(struct sk_buff *skb,char*param, __u16 value);
 220 intirlan_insert_string_param(struct sk_buff *skb,char*param,char*value);
 221 intirlan_insert_array_param(struct sk_buff *skb,char*name, __u8 *value,
 222  __u16 value_len);
 223
 224 intirlan_extract_param(__u8 *buf,char*name,char*value, __u16 *len);
 225 voidprint_ret_code(__u8 code);
 226
 227 extern hashbin_t *irlan;
 228
 229 #endif
 230
 231