1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * File: device.h 20 * 21 * Purpose: MAC Data structure 22 * 23 * Author: Tevin Chen 24 * 25 * Date: Mar 17, 1997 26 * 27 */ 28 29 #ifndef __DEVICE_H__ 30 #define __DEVICE_H__ 31 32 #include <linux/module.h> 33 #include <linux/kernel.h> 34 #include <linux/slab.h> 35 #include <linux/delay.h> 36 #include <linux/device.h> 37 #include <linux/firmware.h> 38 #include <linux/suspend.h> 39 #include <linux/if_arp.h> 40 #include <linux/wireless.h> 41 #include <linux/timer.h> 42 #include <linux/usb.h> 43 #include <linux/crc32.h> 44 #include <net/mac80211.h> 45 46 #ifdef SIOCETHTOOL 47 #define DEVICE_ETHTOOL_IOCTL_SUPPORT 48 #include <linux/ethtool.h> 49 #else 50 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT 51 #endif 52 53 #define RATE_1M 0 54 #define RATE_2M 1 55 #define RATE_5M 2 56 #define RATE_11M 3 57 #define RATE_6M 4 58 #define RATE_9M 5 59 #define RATE_12M 6 60 #define RATE_18M 7 61 #define RATE_24M 8 62 #define RATE_36M 9 63 #define RATE_48M 10 64 #define RATE_54M 11 65 #define RATE_AUTO 12 66 67 #define MAX_RATE 12 68 69 /* 70 * device specific 71 */ 72 73 #include "wcmd.h" 74 #include "desc.h" 75 #include "key.h" 76 #include "card.h" 77 78 #define VNT_USB_VENDOR_ID 0x160a 79 #define VNT_USB_PRODUCT_ID 0x3184 80 81 #define DEVICE_NAME "vt6656" 82 #define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver" 83 84 #define DEVICE_VERSION "mac80211" 85 86 #define CONFIG_PATH "/etc/vntconfiguration.dat" 87 88 #define MAX_UINTS 8 89 #define OPTION_DEFAULT { [0 ... MAX_UINTS-1] = -1} 90 91 #define DUPLICATE_RX_CACHE_LENGTH 5 92 93 #define AUTO_FB_NONE 0 94 #define AUTO_FB_0 1 95 #define AUTO_FB_1 2 96 97 #define FB_RATE0 0 98 #define FB_RATE1 1 99 100 /* Antenna Mode */ 101 #define ANT_A 0 102 #define ANT_B 1 103 #define ANT_DIVERSITY 2 104 #define ANT_RXD_TXA 3 105 #define ANT_RXD_TXB 4 106 #define ANT_UNKNOWN 0xFF 107 #define ANT_TXA 0 108 #define ANT_TXB 1 109 #define ANT_RXA 2 110 #define ANT_RXB 3 111 112 #define BB_VGA_LEVEL 4 113 #define BB_VGA_CHANGE_THRESHOLD 3 114 115 #define EEP_MAX_CONTEXT_SIZE 256 116 117 /* Contents in the EEPROM */ 118 #define EEP_OFS_PAR 0x0 119 #define EEP_OFS_ANTENNA 0x17 120 #define EEP_OFS_RADIOCTL 0x18 121 #define EEP_OFS_RFTYPE 0x1b 122 #define EEP_OFS_MINCHANNEL 0x1c 123 #define EEP_OFS_MAXCHANNEL 0x1d 124 #define EEP_OFS_SIGNATURE 0x1e 125 #define EEP_OFS_ZONETYPE 0x1f 126 #define EEP_OFS_RFTABLE 0x20 127 #define EEP_OFS_PWR_CCK 0x20 128 #define EEP_OFS_SETPT_CCK 0x21 129 #define EEP_OFS_PWR_OFDMG 0x23 130 131 #define EEP_OFS_CALIB_TX_IQ 0x24 132 #define EEP_OFS_CALIB_TX_DC 0x25 133 #define EEP_OFS_CALIB_RX_IQ 0x26 134 135 #define EEP_OFS_MAJOR_VER 0x2e 136 #define EEP_OFS_MINOR_VER 0x2f 137 138 #define EEP_OFS_CCK_PWR_TBL 0x30 139 #define EEP_OFS_OFDM_PWR_TBL 0x40 140 #define EEP_OFS_OFDMA_PWR_TBL 0x50 141 142 /* Bits in EEP_OFS_ANTENNA */ 143 #define EEP_ANTENNA_MAIN 0x1 144 #define EEP_ANTENNA_AUX 0x2 145 #define EEP_ANTINV 0x4 146 147 /* Bits in EEP_OFS_RADIOCTL */ 148 #define EEP_RADIOCTL_ENABLE 0x80 149 150 /* control commands */ 151 #define MESSAGE_TYPE_READ 0x1 152 #define MESSAGE_TYPE_WRITE 0x0 153 #define MESSAGE_TYPE_LOCK_OR 0x2 154 #define MESSAGE_TYPE_LOCK_AND 0x3 155 #define MESSAGE_TYPE_WRITE_MASK 0x4 156 #define MESSAGE_TYPE_CARDINIT 0x5 157 #define MESSAGE_TYPE_INIT_RSP 0x6 158 #define MESSAGE_TYPE_MACSHUTDOWN 0x7 159 #define MESSAGE_TYPE_SETKEY 0x8 160 #define MESSAGE_TYPE_CLRKEYENTRY 0x9 161 #define MESSAGE_TYPE_WRITE_MISCFF 0xa 162 #define MESSAGE_TYPE_SET_ANTMD 0xb 163 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc 164 #define MESSAGE_TYPE_SET_TSFTBTT 0xd 165 #define MESSAGE_TYPE_SET_SSTIFS 0xe 166 #define MESSAGE_TYPE_CHANGE_BBTYPE 0xf 167 #define MESSAGE_TYPE_DISABLE_PS 0x10 168 #define MESSAGE_TYPE_WRITE_IFRF 0x11 169 170 /* command read/write(index) */ 171 #define MESSAGE_REQUEST_MEM 0x1 172 #define MESSAGE_REQUEST_BBREG 0x2 173 #define MESSAGE_REQUEST_MACREG 0x3 174 #define MESSAGE_REQUEST_EEPROM 0x4 175 #define MESSAGE_REQUEST_TSF 0x5 176 #define MESSAGE_REQUEST_TBTT 0x6 177 #define MESSAGE_REQUEST_BBAGC 0x7 178 #define MESSAGE_REQUEST_VERSION 0x8 179 #define MESSAGE_REQUEST_RF_INIT 0x9 180 #define MESSAGE_REQUEST_RF_INIT2 0xa 181 #define MESSAGE_REQUEST_RF_CH0 0xb 182 #define MESSAGE_REQUEST_RF_CH1 0xc 183 #define MESSAGE_REQUEST_RF_CH2 0xd 184 185 /* USB registers */ 186 #define USB_REG4 0x604 187 188 #define DEVICE_INIT_COLD 0x0 /* cold init */ 189 #define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */ 190 #define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */ 191 192 /* Device init */ 193 struct vnt_cmd_card_init { 194 u8 init_class; 195 u8 exist_sw_net_addr; 196 u8 sw_net_addr[6]; 197 u8 short_retry_limit; 198 u8 long_retry_limit; 199 }; 200 201 struct vnt_rsp_card_init { 202 u8 status; 203 u8 net_addr[6]; 204 u8 rf_type; 205 u8 min_channel; 206 u8 max_channel; 207 }; 208 209 /* USB */ 210 211 /* 212 * Enum of context types for SendPacket 213 */ 214 enum { 215 CONTEXT_DATA_PACKET = 1, 216 CONTEXT_MGMT_PACKET, 217 CONTEXT_BEACON_PACKET 218 }; 219 220 /* RCB (Receive Control Block) */ 221 struct vnt_rcb { 222 void *priv; 223 struct urb *urb; 224 struct sk_buff *skb; 225 int in_use; 226 }; 227 228 /* used to track bulk out irps */ 229 struct vnt_usb_send_context { 230 void *priv; 231 struct sk_buff *skb; 232 struct urb *urb; 233 struct ieee80211_hdr *hdr; 234 unsigned int buf_len; 235 u32 frame_len; 236 u16 tx_hdr_size; 237 u16 tx_rate; 238 u8 type; 239 u8 pkt_no; 240 u8 pkt_type; 241 u8 need_ack; 242 u8 fb_option; 243 bool in_use; 244 unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS]; 245 }; 246 247 /* 248 * Structure to keep track of USB interrupt packets 249 */ 250 struct vnt_interrupt_buffer { 251 u8 *data_buf; 252 bool in_use; 253 }; 254 255 /*++ NDIS related */ 256 257 enum { 258 STATUS_SUCCESS = 0, 259 STATUS_FAILURE, 260 STATUS_RESOURCES, 261 STATUS_PENDING, 262 }; 263 264 /* flags for options */ 265 #define DEVICE_FLAGS_UNPLUG BIT(0) 266 #define DEVICE_FLAGS_DISCONNECTED BIT(1) 267 268 struct vnt_private { 269 /* mac80211 */ 270 struct ieee80211_hw *hw; 271 struct ieee80211_vif *vif; 272 u8 mac_hw; 273 /* netdev */ 274 struct usb_device *usb; 275 276 u64 tsf_time; 277 u8 rx_rate; 278 279 u32 rx_buf_sz; 280 int mc_list_count; 281 282 spinlock_t lock; 283 struct mutex usb_lock; 284 285 unsigned long flags; 286 287 /* USB */ 288 struct urb *interrupt_urb; 289 u32 int_interval; 290 291 /* Variables to track resources for the BULK In Pipe */ 292 struct vnt_rcb *rcb[CB_MAX_RX_DESC]; 293 u32 num_rcb; 294 295 /* Variables to track resources for the BULK Out Pipe */ 296 struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC]; 297 u32 num_tx_context; 298 299 /* Variables to track resources for the Interrupt In Pipe */ 300 struct vnt_interrupt_buffer int_buf; 301 302 /* Version control */ 303 u16 firmware_version; 304 u8 local_id; 305 u8 rf_type; 306 u8 bb_rx_conf; 307 308 struct vnt_cmd_card_init init_command; 309 struct vnt_rsp_card_init init_response; 310 u8 current_net_addr[ETH_ALEN] __aligned(2); 311 u8 permanent_net_addr[ETH_ALEN] __aligned(2); 312 313 u8 exist_sw_net_addr; 314 315 u64 current_tsf; 316 317 /* 802.11 MAC specific */ 318 u32 current_rssi; 319 320 /* Antenna Diversity */ 321 int tx_rx_ant_inv; 322 u32 rx_antenna_sel; 323 u8 rx_antenna_mode; 324 u8 tx_antenna_mode; 325 u8 radio_ctl; 326 327 /* IFS & Cw */ 328 u32 sifs; /* Current SIFS */ 329 u32 difs; /* Current DIFS */ 330 u32 eifs; /* Current EIFS */ 331 u32 slot; /* Current SlotTime */ 332 333 /* Rate */ 334 u8 bb_type; /* 0: 11A, 1:11B, 2:11G */ 335 u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */ 336 u32 basic_rates; 337 u8 top_ofdm_basic_rate; 338 u8 top_cck_basic_rate; 339 340 u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */ 341 342 u8 preamble_type; 343 344 /* For RF Power table */ 345 u8 cck_pwr; 346 u8 ofdm_pwr_g; 347 u8 ofdm_pwr_a; 348 u8 power; 349 u8 cck_pwr_tbl[14]; 350 u8 ofdm_pwr_tbl[14]; 351 u8 ofdm_a_pwr_tbl[42]; 352 353 u16 current_rate; 354 u16 tx_rate_fb0; 355 u16 tx_rate_fb1; 356 357 u8 short_retry_limit; 358 u8 long_retry_limit; 359 360 enum nl80211_iftype op_mode; 361 362 int short_slot_time; 363 364 /* Power save */ 365 u16 current_aid; 366 367 /* Beacon related */ 368 u16 seq_counter; 369 370 enum vnt_cmd_state command_state; 371 372 enum vnt_cmd command; 373 374 /* 802.11 counter */ 375 376 enum vnt_cmd cmd_queue[CMD_Q_SIZE]; 377 u32 cmd_dequeue_idx; 378 u32 cmd_enqueue_idx; 379 u32 free_cmd_queue; 380 int cmd_running; 381 382 unsigned long key_entry_inuse; 383 384 u8 auto_fb_ctrl; 385 386 /* For Update BaseBand VGA Gain Offset */ 387 u8 bb_vga[BB_VGA_LEVEL]; 388 389 u8 bb_pre_ed_rssi; 390 u8 bb_pre_ed_index; 391 392 u16 wake_up_count; 393 394 /* command timer */ 395 struct delayed_work run_command_work; 396 397 struct ieee80211_low_level_stats low_stats; 398 }; 399 400 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \ 401 if ((uVar) >= ((uModulo) - 1)) \ 402 (uVar) = 0; \ 403 else \ 404 (uVar)++; \ 405 } 406 407 int vnt_init(struct vnt_private *priv); 408 409 #endif 410