Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | * |
John Anthony Kazos Jr | 121e70b | 2007-05-09 08:30:57 +0200 | [diff] [blame] | 20 | * Neither Dag Brattli nor University of Tromsø admit liability nor |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Samuel Ortiz | 1b0fee7 | 2006-09-27 20:06:44 -0700 | [diff] [blame] | 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) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
| 175 | __u32 saddr; /* Source device address */ |
| 176 | __u32 daddr; /* Destination device address */ |
| 177 | int disconnect_reason; /* Why we got disconnected */ |
| 178 | |
| 179 | int media; /* Media type */ |
| 180 | __u8 version[2]; /* IrLAN version */ |
| 181 | |
| 182 | struct tsap_cb *tsap_data; /* Data TSAP */ |
| 183 | |
| 184 | int use_udata; /* Use Unit Data transfers */ |
| 185 | |
| 186 | __u8 stsap_sel_data; /* Source data TSAP selector */ |
| 187 | __u8 dtsap_sel_data; /* Destination data TSAP selector */ |
| 188 | __u8 dtsap_sel_ctrl; /* Destination ctrl TSAP selector */ |
| 189 | |
| 190 | struct irlan_client_cb client; /* Client specific fields */ |
| 191 | struct irlan_provider_cb provider; /* Provider specific fields */ |
| 192 | |
| 193 | __u32 max_sdu_size; |
| 194 | __u8 max_header_size; |
| 195 | |
| 196 | wait_queue_head_t open_wait; |
| 197 | struct timer_list watchdog_timer; |
| 198 | }; |
| 199 | |
| 200 | void irlan_close(struct irlan_cb *self); |
| 201 | void irlan_close_tsaps(struct irlan_cb *self); |
| 202 | |
| 203 | int irlan_register_netdev(struct irlan_cb *self); |
| 204 | void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel); |
| 205 | void irlan_start_watchdog_timer(struct irlan_cb *self, int timeout); |
| 206 | |
| 207 | void irlan_open_data_tsap(struct irlan_cb *self); |
| 208 | |
| 209 | int irlan_run_ctrl_tx_queue(struct irlan_cb *self); |
| 210 | |
| 211 | struct irlan_cb *irlan_get_any(void); |
| 212 | void irlan_get_provider_info(struct irlan_cb *self); |
| 213 | void irlan_get_media_char(struct irlan_cb *self); |
| 214 | void irlan_open_data_channel(struct irlan_cb *self); |
| 215 | void irlan_close_data_channel(struct irlan_cb *self); |
| 216 | void irlan_set_multicast_filter(struct irlan_cb *self, int status); |
| 217 | void irlan_set_broadcast_filter(struct irlan_cb *self, int status); |
| 218 | |
| 219 | int irlan_insert_byte_param(struct sk_buff *skb, char *param, __u8 value); |
| 220 | int irlan_insert_short_param(struct sk_buff *skb, char *param, __u16 value); |
| 221 | int irlan_insert_string_param(struct sk_buff *skb, char *param, char *value); |
| 222 | int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *value, |
| 223 | __u16 value_len); |
| 224 | |
| 225 | int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len); |
| 226 | |
| 227 | #endif |
| 228 | |
| 229 | |