drivers/staging/rtl8192su/ieee80211/ieee80211.h

   1 /*
   2  * Merged with mainline ieee80211.h in Aug 2004.  Original ieee802_11
   3  * remains copyright by the original authors
   4  *
   5  * Portions of the merged code are based on Host AP (software wireless
   6  * LAN access point) driver for Intersil Prism2/2.5/3.
   7  *
   8  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   9  * <jkmaline@cc.hut.fi>
  10  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
  11  *
  12  * Adaption to a generic IEEE 802.11 stack by James Ketrenos
  13  * <jketreno@linux.intel.com>
  14  * Copyright (c) 2004, Intel Corporation
  15  *
  16  * Modified for Realtek's wi-fi cards by Andrea Merello
  17  * <andreamrl@tiscali.it>
  18  *
  19  * This program is free software; you can redistribute it and/or modify
  20  * it under the terms of the GNU General Public License version 2 as
  21  * published by the Free Software Foundation. See README and COPYING for
  22  * more details.
  23  */
  24 #ifndef IEEE80211_H
  25 #define IEEE80211_H
  26 #include <linux/if_ether.h> /* ETH_ALEN */
  27 #include <linux/kernel.h>   /* ARRAY_SIZE */
  28 #include <linux/version.h>
  29 #include <linux/module.h>
  30 #include <linux/jiffies.h>
  31 #include <linux/timer.h>
  32 #include <linux/sched.h>
  33
  34 #include <linux/delay.h>
  35 #include <linux/wireless.h>
  36 #include <linux/ieee80211.h>
  37
  38 #include "rtl819x_HT.h"
  39 #include "rtl819x_BA.h"
  40 #include "rtl819x_TS.h"
  41
  42 #define KEY_TYPE_NA             0x0
  43 #define KEY_TYPE_WEP40          0x1
  44 #define KEY_TYPE_TKIP           0x2
  45 #define KEY_TYPE_CCMP           0x4
  46 #define KEY_TYPE_WEP104         0x5
  47
  48 /* added for rtl819x tx procedure */
  49 #define MAX_QUEUE_SIZE          0x10
  50
  51 /* 8190 queue mapping */
  52 enum {
  53         BK_QUEUE        = 0,
  54         BE_QUEUE        = 1,
  55         VI_QUEUE        = 2,
  56         VO_QUEUE        = 3,
  57         HCCA_QUEUE      = 4,
  58         TXCMD_QUEUE     = 5,
  59         MGNT_QUEUE      = 6,
  60         HIGH_QUEUE      = 7,
  61         BEACON_QUEUE    = 8,
  62
  63         LOW_QUEUE       = BE_QUEUE,
  64         NORMAL_QUEUE    = MGNT_QUEUE
  65 };
  66
  67 #define SWRF_TIMEOUT                            50
  68
  69 /* LEAP related */
  70 /* Flag byte: byte 8, numbered from 0. */
  71 #define IE_CISCO_FLAG_POSITION          0x08
  72 #define SUPPORT_CKIP_MIC                0x08    /* bit3 */
  73 #define SUPPORT_CKIP_PK                 0x10    /* bit4 */
  74
  75 /* defined for skb cb field, at most 28 byte */
  76 typedef struct cb_desc {
  77         /* Tx Desc Related flags (8-9) */
  78         u8 bLastIniPkt:1;
  79         u8 bCmdOrInit:1;
  80         u8 bFirstSeg:1;
  81         u8 bLastSeg:1;
  82         u8 bEncrypt:1;
  83         u8 bTxDisableRateFallBack:1;
  84         u8 bTxUseDriverAssingedRate:1;
  85         u8 bHwSec:1; /* indicate whether use Hw security */
  86
  87         u8 reserved1;
  88
  89         /* Tx Firmware Relaged flags (10-11)*/
  90         u8 bCTSEnable:1;
  91         u8 bRTSEnable:1;
  92         u8 bUseShortGI:1;
  93         u8 bUseShortPreamble:1;
  94         u8 bTxEnableFwCalcDur:1;
  95         u8 bAMPDUEnable:1;
  96         u8 bRTSSTBC:1;
  97         u8 RTSSC:1;
  98
  99         u8 bRTSBW:1;
 100         u8 bPacketBW:1;
 101         u8 bRTSUseShortPreamble:1;
 102         u8 bRTSUseShortGI:1;
 103         u8 bMulticast:1;
 104         u8 bBroadcast:1;
 105         u8 drv_agg_enable:1;
 106         u8 reserved2:1;
 107
 108         /* Tx Desc related element(12-19) */
 109         u8 rata_index;
 110         u8 queue_index;
 111         u16 txbuf_size;
 112         u8 RATRIndex;
 113         u8 reserved6;
 114         u8 reserved7;
 115         u8 reserved8;
 116
 117         /* Tx firmware related element(20-27) */
 118         u8 data_rate;
 119         u8 rts_rate;
 120         u8 ampdu_factor;
 121         u8 ampdu_density;
 122         u8 DrvAggrNum;
 123         u16 pkt_size;
 124         u8 reserved12;
 125 } cb_desc, *pcb_desc;
 126
 127 enum {
 128         MGN_1M          = 0x02,
 129         MGN_2M          = 0x04,
 130         MGN_5_5M        = 0x0b,
 131         MGN_11M         = 0x16,
 132
 133         MGN_6M          = 0x0c,
 134         MGN_9M          = 0x12,
 135         MGN_12M         = 0x18,
 136         MGN_18M         = 0x24,
 137         MGN_24M         = 0x30,
 138         MGN_36M         = 0x48,
 139         MGN_48M         = 0x60,
 140         MGN_54M         = 0x6c,
 141
 142         MGN_MCS0        = 0x80,
 143         MGN_MCS1        = 0x81,
 144         MGN_MCS2        = 0x82,
 145         MGN_MCS3        = 0x83,
 146         MGN_MCS4        = 0x84,
 147         MGN_MCS5        = 0x85,
 148         MGN_MCS6        = 0x86,
 149         MGN_MCS7        = 0x87,
 150         MGN_MCS8        = 0x88,
 151         MGN_MCS9        = 0x89,
 152         MGN_MCS10       = 0x8a,
 153         MGN_MCS11       = 0x8b,
 154         MGN_MCS12       = 0x8c,
 155         MGN_MCS13       = 0x8d,
 156         MGN_MCS14       = 0x8e,
 157         MGN_MCS15       = 0x8f,
 158
 159         MGN_MCS0_SG     = 0x90,
 160         MGN_MCS1_SG     = 0x91,
 161         MGN_MCS2_SG     = 0x92,
 162         MGN_MCS3_SG     = 0x93,
 163         MGN_MCS4_SG     = 0x94,
 164         MGN_MCS5_SG     = 0x95,
 165         MGN_MCS6_SG     = 0x96,
 166         MGN_MCS7_SG     = 0x97,
 167         MGN_MCS8_SG     = 0x98,
 168         MGN_MCS9_SG     = 0x99,
 169         MGN_MCS10_SG    = 0x9a,
 170         MGN_MCS11_SG    = 0x9b,
 171         MGN_MCS12_SG    = 0x9c,
 172         MGN_MCS13_SG    = 0x9d,
 173         MGN_MCS14_SG    = 0x9e,
 174         MGN_MCS15_SG    = 0x9f,
 175 };
 176
 177 #define aSifsTime (((priv->ieee80211->current_network.mode == IEEE_A) || \
 178                     (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
 179                     (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
 180                    ? 16 : 10)
 181
 182 #define MGMT_QUEUE_NUM 5
 183
 184 #define IEEE_CMD_SET_WPA_PARAM                  1
 185 #define IEEE_CMD_SET_WPA_IE                     2
 186 #define IEEE_CMD_SET_ENCRYPTION                 3
 187 #define IEEE_CMD_MLME                           4
 188
 189 #define IEEE_PARAM_WPA_ENABLED                  1
 190 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
 191 #define IEEE_PARAM_DROP_UNENCRYPTED             3
 192 #define IEEE_PARAM_PRIVACY_INVOKED              4
 193 #define IEEE_PARAM_AUTH_ALGS                    5
 194 #define IEEE_PARAM_IEEE_802_1X                  6
 195 //It should consistent with the driver_XXX.c
 196 //   David, 2006.9.26
 197 #define IEEE_PARAM_WPAX_SELECT                  7
 198 //Added for notify the encryption type selection
 199 //   David, 2006.9.26
 200 #define IEEE_PROTO_WPA                          1
 201 #define IEEE_PROTO_RSN                          2
 202 //Added for notify the encryption type selection
 203 //   David, 2006.9.26
 204 #define IEEE_WPAX_USEGROUP                      0
 205 #define IEEE_WPAX_WEP40                         1
 206 #define IEEE_WPAX_TKIP                          2
 207 #define IEEE_WPAX_WRAP                          3
 208 #define IEEE_WPAX_CCMP                          4
 209 #define IEEE_WPAX_WEP104                        5
 210
 211 #define IEEE_KEY_MGMT_IEEE8021X                 1
 212 #define IEEE_KEY_MGMT_PSK                       2
 213
 214 #define IEEE_MLME_STA_DEAUTH                    1
 215 #define IEEE_MLME_STA_DISASSOC                  2
 216
 217
 218 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
 219 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
 220 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
 221 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
 222 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED        6
 223 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
 224
 225
 226 #define IEEE_CRYPT_ALG_NAME_LEN                 16
 227
 228 #define MAX_IE_LEN  0xff
 229
 230 typedef struct ieee_param {
 231         u32 cmd;
 232         u8 sta_addr[ETH_ALEN];
 233         union {
 234                 struct {
 235                         u8 name;
 236                         u32 value;
 237                 } wpa_param;
 238                 struct {
 239                         u32 len;
 240                         u8 reserved[32];
 241                         u8 data[0];
 242                 } wpa_ie;
 243                 struct{
 244                         int command;
 245                         int reason_code;
 246                 } mlme;
 247                 struct {
 248                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 249                         u8 set_tx;
 250                         u32 err;
 251                         u8 idx;
 252                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 253                         u16 key_len;
 254                         u8 key[0];
 255                 } crypt;
 256         } u;
 257 }ieee_param;
 258
 259 #define MSECS(t) msecs_to_jiffies(t)
 260 #define msleep_interruptible_rsl  msleep_interruptible
 261
 262 #define IEEE80211_DATA_LEN              2304
 263 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 264    6.2.1.1.2.
 265
 266    The figure in section 7.1.2 suggests a body size of up to 2312
 267    bytes is allowed, which is a bit confusing, I suspect this
 268    represents the 2304 bytes of real data, plus a possible 8 bytes of
 269    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 270 #define IEEE80211_1ADDR_LEN 10
 271 #define IEEE80211_2ADDR_LEN 16
 272 #define IEEE80211_3ADDR_LEN 24
 273 #define IEEE80211_4ADDR_LEN 30
 274 #define IEEE80211_FCS_LEN    4
 275 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 276 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 277 #define IEEE80211_MGMT_HDR_LEN 24
 278 #define IEEE80211_DATA_HDR3_LEN 24
 279 #define IEEE80211_DATA_HDR4_LEN 30
 280
 281 #define MIN_FRAG_THRESHOLD     256U
 282 #define MAX_FRAG_THRESHOLD     2346U
 283
 284
 285 /* Frame control field constants */
 286 #define IEEE80211_FCTL_FRAMETYPE        0x00fc
 287 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 288 #define IEEE80211_FCTL_WEP              0x4000
 289
 290 /* management */
 291 #define IEEE80211_STYPE_MANAGE_ACT      0x00D0
 292
 293 /* control */
 294 #define IEEE80211_STYPE_BLOCKACK   0x0094
 295
 296 /* QOS control */
 297 #define IEEE80211_QCTL_TID              0x000F
 298
 299 #define FC_QOS_BIT                      BIT7
 300
 301 #define IsDataFrame(pdu)        (((pdu[0] & 0x0C) == 0x08) ? true : false)
 302 #define IsLegacyDataFrame(pdu)  (IsDataFrame(pdu) && (!(pdu[0] & FC_QOS_BIT)))
 303 #define IsQoSDataFrame(pframe) \
 304         ((*(u16 *)pframe & (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA)) \
 305          == (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA))
 306
 307 #define Frame_Order(pframe)     (*(u16 *)pframe & IEEE80211_FCTL_ORDER)
 308
 309 #define SN_LESS(a, b)           (((a - b) & 0x800) != 0)
 310 #define SN_EQUAL(a, b)          (a == b)
 311
 312 #define MAX_DEV_ADDR_SIZE 8
 313
 314 enum {
 315         /* ACT_CATEGORY */
 316         ACT_CAT_QOS     = 1,
 317         ACT_CAT_DLS     = 2,
 318         ACT_CAT_BA      = 3,
 319         ACT_CAT_HT      = 7,
 320         ACT_CAT_WMM     = 17,
 321
 322         /* TS_ACTION */
 323         ACT_ADDTSREQ    = 0,
 324         ACT_ADDTSRSP    = 1,
 325         ACT_DELTS       = 2,
 326         ACT_SCHEDULE    = 3,
 327
 328         /* BA_ACTION */
 329         ACT_ADDBAREQ    = 0,
 330         ACT_ADDBARSP    = 1,
 331         ACT_DELBA       = 2,
 332 };
 333
 334 /* InitialGainOpType */
 335 enum {
 336         IG_Backup = 0,
 337         IG_Restore,
 338         IG_Max
 339 };
 340
 341 typedef enum _LED_CTL_MODE {
 342         LED_CTL_POWER_ON         = 1,
 343         LED_CTL_LINK             = 2,
 344         LED_CTL_NO_LINK          = 3,
 345         LED_CTL_TX               = 4,
 346         LED_CTL_RX               = 5,
 347         LED_CTL_SITE_SURVEY      = 6,
 348         LED_CTL_POWER_OFF        = 7,
 349         LED_CTL_START_TO_LINK    = 8,
 350         LED_CTL_START_WPS        = 9,
 351         LED_CTL_STOP_WPS         = 10,
 352         LED_CTL_START_WPS_BOTTON = 11,
 353 } LED_CTL_MODE;
 354
 355 /* debug macros */
 356 #define CONFIG_IEEE80211_DEBUG
 357 #ifdef CONFIG_IEEE80211_DEBUG
 358 extern u32 ieee80211_debug_level;
 359 #define IEEE80211_DEBUG(level, fmt, args...) \
 360         do { \
 361                 if (ieee80211_debug_level & (level)) \
 362                         printk(KERN_DEBUG "ieee80211: " fmt, ## args); \
 363         } while (0)
 364 #define IEEE80211_DEBUG_DATA(level, data, datalen) \
 365         do { \
 366                 if ((ieee80211_debug_level & (level)) == (level)) { \
 367                         u8 *pdata = (u8 *)data; \
 368                         int i; \
 369                         printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
 370                         for (i = 0; i < (int)(datalen); i++) { \
 371                                 printk("%2x ", pdata[i]); \
 372                                 if ((i + 1) % 16 == 0) \
 373                                         printk("\n"); \
 374                         } \
 375                         printk("\n"); \
 376                 } \
 377         } while (0)
 378 #else
 379 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 380 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
 381 #endif  /* CONFIG_IEEE80211_DEBUG */
 382
 383 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 384 #define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], \
 385                    ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
 386
 387 /*
 388  * To use the debug system;
 389  *
 390  * If you are defining a new debug classification, simply add it to the #define
 391  * list here in the form of:
 392  *
 393  * #define IEEE80211_DL_xxxx VALUE
 394  *
 395  * shifting value to the left one bit from the previous entry.  xxxx should be
 396  * the name of the classification (for example, WEP)
 397  *
 398  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
 399  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
 400  * to send output to that classification.
 401  *
 402  * To add your debug level to the list of levels seen when you perform
 403  *
 404  * % cat /proc/net/ipw/debug_level
 405  *
 406  * you simply need to add your entry to the ipw_debug_levels array.
 407  *
 408  * If you do not see debug_level in /proc/net/ipw then you do not have
 409  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
 410  *
 411  */
 412
 413 #define IEEE80211_DL_INFO          (1<<0)
 414 #define IEEE80211_DL_WX            (1<<1)
 415 #define IEEE80211_DL_SCAN          (1<<2)
 416 #define IEEE80211_DL_STATE         (1<<3)
 417 #define IEEE80211_DL_MGMT          (1<<4)
 418 #define IEEE80211_DL_FRAG          (1<<5)
 419 #define IEEE80211_DL_EAP           (1<<6)
 420 #define IEEE80211_DL_DROP          (1<<7)
 421
 422 #define IEEE80211_DL_TX            (1<<8)
 423 #define IEEE80211_DL_RX            (1<<9)
 424
 425 #define IEEE80211_DL_HT            (1 << 10)
 426 #define IEEE80211_DL_BA            (1 << 11)
 427 #define IEEE80211_DL_TS            (1 << 12)
 428 #define IEEE80211_DL_QOS           (1 << 13)
 429 #define IEEE80211_DL_REORDER       (1 << 14)
 430 #define IEEE80211_DL_IOT           (1 << 15)
 431 #define IEEE80211_DL_IPS           (1 << 16)
 432 #define IEEE80211_DL_TRACE         (1 << 29)
 433 #define IEEE80211_DL_DATA          (1 << 30)
 434 #define IEEE80211_DL_ERR           (1 << 31)
 435
 436 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 437 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 438 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 439
 440 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 441 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 442 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 443 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 444 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 445 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 446 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 447 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 448 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 449 #define IEEE80211_DEBUG_QOS(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
 450
 451 #include <linux/netdevice.h>
 452 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 453
 454 #ifndef WIRELESS_SPY
 455 #define WIRELESS_SPY            // enable iwspy support
 456 #endif
 457 #include <net/iw_handler.h>     // new driver API
 458
 459 #ifndef ETH_P_PAE
 460 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 461 #endif /* ETH_P_PAE */
 462
 463 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 464
 465 #ifndef ETH_P_80211_RAW
 466 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 467 #endif
 468
 469 /* IEEE 802.11 defines */
 470
 471 #define P80211_OUI_LEN 3
 472
 473 struct ieee80211_snap_hdr {
 474
 475         u8    dsap;   /* always 0xAA */
 476         u8    ssap;   /* always 0xAA */
 477         u8    ctrl;   /* always 0x03 */
 478         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 479
 480 } __attribute__ ((packed));
 481
 482 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 483
 484 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
 485 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 486 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 487
 488 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
 489 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 490 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 491
 492 #define RTL_WLAN_AUTH_LEAP 2
 493
 494 #define WLAN_CAPABILITY_BSS (1<<0)
 495 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 496
 497 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 498 #define IEEE80211_STATMASK_RSSI (1<<1)
 499 #define IEEE80211_STATMASK_NOISE (1<<2)
 500 #define IEEE80211_STATMASK_RATE (1<<3)
 501 #define IEEE80211_STATMASK_WEMASK 0x7
 502
 503 #define IEEE80211_CCK_MODULATION    (1<<0)
 504 #define IEEE80211_OFDM_MODULATION   (1<<1)
 505
 506 #define IEEE80211_24GHZ_BAND     (1<<0)
 507 #define IEEE80211_52GHZ_BAND     (1<<1)
 508
 509 #define IEEE80211_CCK_RATE_LEN                  4
 510 #define IEEE80211_CCK_RATE_1MB                  0x02
 511 #define IEEE80211_CCK_RATE_2MB                  0x04
 512 #define IEEE80211_CCK_RATE_5MB                  0x0B
 513 #define IEEE80211_CCK_RATE_11MB                 0x16
 514 #define IEEE80211_OFDM_RATE_LEN                 8
 515 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 516 #define IEEE80211_OFDM_RATE_9MB                 0x12
 517 #define IEEE80211_OFDM_RATE_12MB                0x18
 518 #define IEEE80211_OFDM_RATE_18MB                0x24
 519 #define IEEE80211_OFDM_RATE_24MB                0x30
 520 #define IEEE80211_OFDM_RATE_36MB                0x48
 521 #define IEEE80211_OFDM_RATE_48MB                0x60
 522 #define IEEE80211_OFDM_RATE_54MB                0x6C
 523 #define IEEE80211_BASIC_RATE_MASK               0x80
 524
 525 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 526 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 527 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 528 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 529 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 530 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 531 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 532 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 533 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 534 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 535 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 536 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 537
 538 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 539 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 540         IEEE80211_CCK_RATE_2MB_MASK)
 541 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 542         IEEE80211_CCK_RATE_5MB_MASK | \
 543         IEEE80211_CCK_RATE_11MB_MASK)
 544
 545 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 546 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 547         IEEE80211_OFDM_RATE_12MB_MASK | \
 548         IEEE80211_OFDM_RATE_24MB_MASK)
 549 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 550         IEEE80211_OFDM_RATE_9MB_MASK  | \
 551         IEEE80211_OFDM_RATE_18MB_MASK | \
 552         IEEE80211_OFDM_RATE_36MB_MASK | \
 553         IEEE80211_OFDM_RATE_48MB_MASK | \
 554         IEEE80211_OFDM_RATE_54MB_MASK)
 555 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 556                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 557
 558 #define IEEE80211_NUM_OFDM_RATES            8
 559 #define IEEE80211_NUM_CCK_RATES             4
 560 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 561
 562
 563 /* this is stolen and modified from the madwifi driver*/
 564 #define IEEE80211_FC0_TYPE_MASK         0x0c
 565 #define IEEE80211_FC0_TYPE_DATA         0x08
 566 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 567 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 568
 569 #define IEEE80211_QOS_HAS_SEQ(fc) \
 570         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 571          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 572
 573 /* this is stolen from ipw2200 driver */
 574 #define IEEE_IBSS_MAC_HASH_SIZE 31
 575 struct ieee_ibss_seq {
 576         u8 mac[ETH_ALEN];
 577         u16 seq_num[17];
 578         u16 frag_num[17];
 579         unsigned long packet_time[17];
 580         struct list_head list;
 581 };
 582
 583 /* NOTE: This data is for statistical purposes; not all hardware provides this
 584  *       information for frames received.  Not setting these will not cause
 585  *       any adverse affects. */
 586 struct ieee80211_rx_stats {
 587         u32 mac_time[2];
 588         s8 rssi;
 589         u8 signal;
 590         u8 noise;
 591         u16 rate; /* in 100 kbps */
 592         u8 received_channel;
 593         u8 control;
 594         u8 mask;
 595         u8 freq;
 596         u16 len;
 597         u64 tsf;
 598         u32 beacon_time;
 599         u8 nic_type;
 600
 601         u16       Length;
 602         u8        SignalQuality;        /* in 0-100 index */
 603         /* real power in dBm for this packet, no beautification & aggregation */
 604         s32       RecvSignalPower;
 605         s8        RxPower;              /* in dBm Translate from PWdB */
 606         u8        SignalStrength;       /* in 0-100 index */
 607         u16       bHwError:1;
 608         u16       bCRC:1;
 609         u16       bICV:1;
 610         u16       bShortPreamble:1;
 611         u16       Antenna:1;            /* RTL8185 */
 612         u16       Decrypted:1;          /* RTL8185, RTL8187 */
 613         u16       Wakeup:1;             /* RTL8185 */
 614         u16       Reserved0:1;          /* RTL8185 */
 615         u8        AGC;
 616         u32       TimeStampLow;
 617         u32       TimeStampHigh;
 618         bool      bShift;
 619         bool      bIsQosData;
 620         u8        UserPriority;
 621
 622         /* < 11n or 8190 specific code */
 623         u8        RxDrvInfoSize;
 624         u8        RxBufShift;
 625         bool      bIsAMPDU;
 626         bool      bFirstMPDU;
 627         bool      bContainHTC;
 628         bool      RxIs40MHzPacket;
 629         u32       RxPWDBAll;
 630         u8        RxMIMOSignalStrength[4]; /* in 0~100 index */
 631         s8        RxMIMOSignalQuality[2];
 632         bool      bPacketMatchBSSID;
 633         bool      bIsCCK;
 634         bool      bPacketToSelf;
 635
 636         u8        *virtual_address;
 637         /* total packet length: must equal to sum of all FragLength */
 638         u16       packetlength;
 639         /* FragLength should equal to PacketLength in non-fragment case */
 640         u16       fraglength;
 641         u16       fragoffset;           /* data offset for this fragment */
 642         u16       ntotalfrag;
 643         bool      bisrxaggrsubframe;
 644         bool      bPacketBeacon;        /* for rssi */
 645         bool      bToSelfBA;            /* for rssi */
 646         char      cck_adc_pwdb[4];      /* for rx path selection */
 647         u16       Seq_Num;
 648         u8        nTotalAggPkt;         /* number of aggregated packets */
 649 };
 650
 651 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 652  * three fragmented frames. This define can be increased to support more
 653  * concurrent frames, but it should be noted that each entry can consume about
 654  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 655 #define IEEE80211_FRAG_CACHE_LEN 4
 656
 657 struct ieee80211_frag_entry {
 658         unsigned long first_frag_time;
 659         unsigned int seq;
 660         unsigned int last_frag;
 661         struct sk_buff *skb;
 662         u8 src_addr[ETH_ALEN];
 663         u8 dst_addr[ETH_ALEN];
 664 };
 665
 666 struct ieee80211_stats {
 667         unsigned int tx_unicast_frames;
 668         unsigned int tx_multicast_frames;
 669         unsigned int tx_fragments;
 670         unsigned int tx_unicast_octets;
 671         unsigned int tx_multicast_octets;
 672         unsigned int tx_deferred_transmissions;
 673         unsigned int tx_single_retry_frames;
 674         unsigned int tx_multiple_retry_frames;
 675         unsigned int tx_retry_limit_exceeded;
 676         unsigned int tx_discards;
 677         unsigned int rx_unicast_frames;
 678         unsigned int rx_multicast_frames;
 679         unsigned int rx_fragments;
 680         unsigned int rx_unicast_octets;
 681         unsigned int rx_multicast_octets;
 682         unsigned int rx_fcs_errors;
 683         unsigned int rx_discards_no_buffer;
 684         unsigned int tx_discards_wrong_sa;
 685         unsigned int rx_discards_undecryptable;
 686         unsigned int rx_message_in_msg_fragments;
 687         unsigned int rx_message_in_bad_msg_fragments;
 688 };
 689
 690 struct ieee80211_device;
 691
 692 #include "ieee80211_crypt.h"
 693
 694 #define SEC_KEY_1         (1<<0)
 695 #define SEC_KEY_2         (1<<1)
 696 #define SEC_KEY_3         (1<<2)
 697 #define SEC_KEY_4         (1<<3)
 698 #define SEC_ACTIVE_KEY    (1<<4)
 699 #define SEC_AUTH_MODE     (1<<5)
 700 #define SEC_UNICAST_GROUP (1<<6)
 701 #define SEC_LEVEL         (1<<7)
 702 #define SEC_ENABLED       (1<<8)
 703
 704 #define SEC_LEVEL_0      0 /* None */
 705 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 706 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 707 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 708 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 709
 710 #define WEP_KEYS                4
 711 #define WEP_KEY_LEN             13
 712 #define SCM_KEY_LEN             32
 713
 714 struct ieee80211_security {
 715         u16 active_key:2,
 716             enabled:1,
 717             auth_mode:2,
 718             auth_algo:4,
 719             unicast_uses_group:1,
 720             encrypt:1;
 721         u8 key_sizes[WEP_KEYS];
 722         u8 keys[WEP_KEYS][SCM_KEY_LEN];
 723         u8 level;
 724         u16 flags;
 725 } __attribute__ ((packed));
 726
 727
 728 /*
 729  802.11 data frame from AP
 730       ,-------------------------------------------------------------------.
 731 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 732       |------|------|---------|---------|---------|------|---------|------|
 733 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 734       |      | tion | (BSSID) |         |         | ence |  data   |      |
 735       `-------------------------------------------------------------------'
 736 Total: 28-2340 bytes
 737 */
 738
 739 /* Management Frame Information Element Types */
 740 enum {
 741         MFIE_TYPE_SSID = 0,
 742         MFIE_TYPE_RATES = 1,
 743         MFIE_TYPE_FH_SET = 2,
 744         MFIE_TYPE_DS_SET = 3,
 745         MFIE_TYPE_CF_SET = 4,
 746         MFIE_TYPE_TIM = 5,
 747         MFIE_TYPE_IBSS_SET = 6,
 748         MFIE_TYPE_COUNTRY = 7,
 749         MFIE_TYPE_HOP_PARAMS = 8,
 750         MFIE_TYPE_HOP_TABLE = 9,
 751         MFIE_TYPE_REQUEST = 10,
 752         MFIE_TYPE_CHALLENGE = 16,
 753         MFIE_TYPE_POWER_CONSTRAINT = 32,
 754         MFIE_TYPE_POWER_CAPABILITY = 33,
 755         MFIE_TYPE_TPC_REQUEST = 34,
 756         MFIE_TYPE_TPC_REPORT = 35,
 757         MFIE_TYPE_SUPP_CHANNELS = 36,
 758         MFIE_TYPE_CSA = 37,
 759         MFIE_TYPE_MEASURE_REQUEST = 38,
 760         MFIE_TYPE_MEASURE_REPORT = 39,
 761         MFIE_TYPE_QUIET = 40,
 762         MFIE_TYPE_IBSS_DFS = 41,
 763         MFIE_TYPE_ERP = 42,
 764         MFIE_TYPE_RSN = 48,
 765         MFIE_TYPE_RATES_EX = 50,
 766         MFIE_TYPE_HT_CAP= 45,
 767          MFIE_TYPE_HT_INFO= 61,
 768          MFIE_TYPE_AIRONET=133,
 769         MFIE_TYPE_GENERIC = 221,
 770         MFIE_TYPE_QOS_PARAMETER = 222,
 771 };
 772
 773 /* Minimal header; can be used for passing 802.11 frames with sufficient
 774  * information to determine what type of underlying data type is actually
 775  * stored in the data. */
 776 struct rtl_ieee80211_hdr {
 777         __le16 frame_ctl;
 778         __le16 duration_id;
 779         u8 payload[0];
 780 } __attribute__ ((packed));
 781
 782 struct ieee80211_hdr_1addr {
 783         __le16 frame_ctl;
 784         __le16 duration_id;
 785         u8 addr1[ETH_ALEN];
 786         u8 payload[0];
 787 } __attribute__ ((packed));
 788
 789 struct ieee80211_hdr_2addr {
 790         __le16 frame_ctl;
 791         __le16 duration_id;
 792         u8 addr1[ETH_ALEN];
 793         u8 addr2[ETH_ALEN];
 794         u8 payload[0];
 795 } __attribute__ ((packed));
 796
 797 struct ieee80211_hdr_3addr {
 798         __le16 frame_ctl;
 799         __le16 duration_id;
 800         u8 addr1[ETH_ALEN];
 801         u8 addr2[ETH_ALEN];
 802         u8 addr3[ETH_ALEN];
 803         __le16 seq_ctl;
 804         u8 payload[0];
 805 } __attribute__ ((packed));
 806
 807 struct ieee80211_hdr_4addr {
 808         __le16 frame_ctl;
 809         __le16 duration_id;
 810         u8 addr1[ETH_ALEN];
 811         u8 addr2[ETH_ALEN];
 812         u8 addr3[ETH_ALEN];
 813         __le16 seq_ctl;
 814         u8 addr4[ETH_ALEN];
 815         u8 payload[0];
 816 } __attribute__ ((packed));
 817
 818 struct ieee80211_hdr_3addrqos {
 819         __le16 frame_ctl;
 820         __le16 duration_id;
 821         u8 addr1[ETH_ALEN];
 822         u8 addr2[ETH_ALEN];
 823         u8 addr3[ETH_ALEN];
 824         __le16 seq_ctl;
 825         u8 payload[0];
 826         __le16 qos_ctl;
 827 } __attribute__ ((packed));
 828
 829 struct ieee80211_hdr_4addrqos {
 830         __le16 frame_ctl;
 831         __le16 duration_id;
 832         u8 addr1[ETH_ALEN];
 833         u8 addr2[ETH_ALEN];
 834         u8 addr3[ETH_ALEN];
 835         __le16 seq_ctl;
 836         u8 addr4[ETH_ALEN];
 837         u8 payload[0];
 838         __le16 qos_ctl;
 839 } __attribute__ ((packed));
 840
 841 struct ieee80211_info_element {
 842         u8 id;
 843         u8 len;
 844         u8 data[0];
 845 } __attribute__ ((packed));
 846
 847 struct ieee80211_authentication {
 848         struct ieee80211_hdr_3addr header;
 849         __le16 algorithm;
 850         __le16 transaction;
 851         __le16 status;
 852         /* challenge */
 853         struct ieee80211_info_element info_element[0];
 854 } __attribute__ ((packed));
 855
 856 struct ieee80211_disassoc {
 857         struct ieee80211_hdr_3addr header;
 858         __le16 reason;
 859 } __attribute__ ((packed));
 860
 861 struct ieee80211_probe_request {
 862         struct ieee80211_hdr_3addr header;
 863         /* SSID, supported rates */
 864         struct ieee80211_info_element info_element[0];
 865 } __attribute__ ((packed));
 866
 867 struct ieee80211_probe_response {
 868         struct ieee80211_hdr_3addr header;
 869         u32 time_stamp[2];
 870         __le16 beacon_interval;
 871         __le16 capability;
 872         /* SSID, supported rates, FH params, DS params,
 873          * CF params, IBSS params, TIM (if beacon), RSN */
 874         struct ieee80211_info_element info_element[0];
 875 } __attribute__ ((packed));
 876
 877 struct ieee80211_assoc_request_frame {
 878         struct ieee80211_hdr_3addr header;
 879         __le16 capability;
 880         __le16 listen_interval;
 881         /* SSID, supported rates, RSN */
 882         struct ieee80211_info_element info_element[0];
 883 } __attribute__ ((packed));
 884
 885 struct ieee80211_reassoc_request_frame {
 886         struct ieee80211_hdr_3addr header;
 887         __le16 capability;
 888         __le16 listen_interval;
 889         u8 current_ap[ETH_ALEN];
 890         /* SSID, supported rates, RSN */
 891         struct ieee80211_info_element info_element[0];
 892 } __attribute__ ((packed));
 893
 894 struct ieee80211_assoc_response_frame {
 895         struct ieee80211_hdr_3addr header;
 896         __le16 capability;
 897         __le16 status;
 898         __le16 aid;
 899         struct ieee80211_info_element info_element[0]; /* supported rates */
 900 } __attribute__ ((packed));
 901
 902 struct ieee80211_txb {
 903         u8 nr_frags;
 904         u8 encrypted;
 905         u8 queue_index;
 906         u8 rts_included;
 907         u16 reserved;
 908         __le16 frag_size;
 909         __le16 payload_size;
 910         struct sk_buff *fragments[0];
 911 };
 912
 913 #define MAX_SUBFRAME_COUNT                64
 914 struct ieee80211_rxb {
 915         u8 nr_subframes;
 916         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 917         u8 dst[ETH_ALEN];
 918         u8 src[ETH_ALEN];
 919 }__attribute__((packed));
 920
 921 typedef union _frameqos {
 922         u16 shortdata;
 923         u8  chardata[2];
 924         struct {
 925                 u16 tid:4;
 926                 u16 eosp:1;
 927                 u16 ack_policy:2;
 928                 u16 reserved:1;
 929                 u16 txop:8;
 930         }field;
 931 } frameqos;
 932
 933 /* SWEEP TABLE ENTRIES NUMBER */
 934 #define MAX_SWEEP_TAB_ENTRIES             42
 935 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 936 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 937  * only use 8, and then use extended rates for the remaining supported
 938  * rates.  Other APs, however, stick all of their supported rates on the
 939  * main rates information element... */
 940 #define MAX_RATES_LENGTH                  ((u8)12)
 941 #define MAX_RATES_EX_LENGTH               ((u8)16)
 942 #define MAX_NETWORK_COUNT                  128
 943
 944 #define MAX_CHANNEL_NUMBER                 161
 945
 946 #define IEEE80211_SOFTMAC_SCAN_TIME        100 /* (HZ / 2) */
 947 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 948
 949 #define CRC_LENGTH                 4U
 950
 951 #define MAX_WPA_IE_LEN 64
 952
 953 #define NETWORK_EMPTY_ESSID     (1 << 0)
 954 #define NETWORK_HAS_OFDM        (1 << 1)
 955 #define NETWORK_HAS_CCK         (1 << 2)
 956
 957 /* QoS structure */
 958 #define NETWORK_HAS_QOS_PARAMETERS      (1 << 3)
 959 #define NETWORK_HAS_QOS_INFORMATION     (1 << 4)
 960 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
 961                                          NETWORK_HAS_QOS_INFORMATION)
 962
 963 #define NETWORK_HAS_ERP_VALUE           (1 << 10)
 964
 965 #define QOS_QUEUE_NUM                   4
 966 #define QOS_OUI_LEN                     3
 967 #define QOS_OUI_TYPE                    2
 968 #define QOS_ELEMENT_ID                  221
 969 #define QOS_OUI_INFO_SUB_TYPE           0
 970 #define QOS_OUI_PARAM_SUB_TYPE          1
 971 #define QOS_VERSION_1                   1
 972 #define QOS_AIFSN_MIN_VALUE             2
 973
 974 struct ieee80211_qos_information_element {
 975         u8 elementID;
 976         u8 length;
 977         u8 qui[QOS_OUI_LEN];
 978         u8 qui_type;
 979         u8 qui_subtype;
 980         u8 version;
 981         u8 ac_info;
 982 } __attribute__ ((packed));
 983
 984 struct ieee80211_qos_ac_parameter {
 985         u8 aci_aifsn;
 986         u8 ecw_min_max;
 987         __le16 tx_op_limit;
 988 } __attribute__ ((packed));
 989
 990 struct ieee80211_qos_parameter_info {
 991         struct ieee80211_qos_information_element info_element;
 992         u8 reserved;
 993         struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 994 } __attribute__ ((packed));
 995
 996 struct ieee80211_qos_parameters {
 997         __le16 cw_min[QOS_QUEUE_NUM];
 998         __le16 cw_max[QOS_QUEUE_NUM];
 999         u8 aifs[QOS_QUEUE_NUM];
1000         u8 flag[QOS_QUEUE_NUM];
1001         __le16 tx_op_limit[QOS_QUEUE_NUM];
1002 } __attribute__ ((packed));
1003
1004 struct ieee80211_qos_data {
1005         struct ieee80211_qos_parameters parameters;
1006         int active;
1007         int supported;
1008         u8 param_count;
1009         u8 old_param_count;
1010 };
1011
1012 struct ieee80211_tim_parameters {
1013         u8 tim_count;
1014         u8 tim_period;
1015 } __attribute__ ((packed));
1016
1017 struct ieee80211_wmm_ac_param {
1018         u8 ac_aci_acm_aifsn;
1019         u8 ac_ecwmin_ecwmax;
1020         u16 ac_txop_limit;
1021 };
1022
1023 struct ieee80211_wmm_ts_info {
1024         u8 ac_dir_tid;
1025         u8 ac_up_psb;
1026         u8 reserved;
1027 } __attribute__ ((packed));
1028
1029 struct ieee80211_wmm_tspec_elem {
1030         struct ieee80211_wmm_ts_info ts_info;
1031         u16 norm_msdu_size;
1032         u16 max_msdu_size;
1033         u32 min_serv_inter;
1034         u32 max_serv_inter;
1035         u32 inact_inter;
1036         u32 suspen_inter;
1037         u32 serv_start_time;
1038         u32 min_data_rate;
1039         u32 mean_data_rate;
1040         u32 peak_data_rate;
1041         u32 max_burst_size;
1042         u32 delay_bound;
1043         u32 min_phy_rate;
1044         u16 surp_band_allow;
1045         u16 medium_time;
1046 }__attribute__((packed));
1047
1048 enum eap_type {
1049         EAP_PACKET = 0,
1050         EAPOL_START,
1051         EAPOL_LOGOFF,
1052         EAPOL_KEY,
1053         EAPOL_ENCAP_ASF_ALERT
1054 };
1055
1056 static const char *eap_types[] = {
1057         [EAP_PACKET]            = "EAP-Packet",
1058         [EAPOL_START]           = "EAPOL-Start",
1059         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
1060         [EAPOL_KEY]             = "EAPOL-Key",
1061         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
1062 };
1063
1064 static inline const char *eap_get_type(int type)
1065 {
1066         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
1067 }
1068
1069 static inline u8 Frame_QoSTID(u8 *buf)
1070 {
1071         struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *)buf;
1072         u16 fc = le16_to_cpu(hdr->frame_ctl);
1073
1074         return (u8)((frameqos *)(buf +
1075                 (((fc & IEEE80211_FCTL_TODS) &&
1076                   (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1077 }
1078
1079 struct eapol {
1080         u8 snap[6];
1081         u16 ethertype;
1082         u8 version;
1083         u8 type;
1084         u16 length;
1085 } __attribute__ ((packed));
1086
1087 struct ieee80211_softmac_stats {
1088         unsigned int rx_ass_ok;
1089         unsigned int rx_ass_err;
1090         unsigned int rx_probe_rq;
1091         unsigned int tx_probe_rs;
1092         unsigned int tx_beacons;
1093         unsigned int rx_auth_rq;
1094         unsigned int rx_auth_rs_ok;
1095         unsigned int rx_auth_rs_err;
1096         unsigned int tx_auth_rq;
1097         unsigned int no_auth_rs;
1098         unsigned int no_ass_rs;
1099         unsigned int tx_ass_rq;
1100         unsigned int rx_ass_rq;
1101         unsigned int tx_probe_rq;
1102         unsigned int reassoc;
1103         unsigned int swtxstop;
1104         unsigned int swtxawake;
1105         unsigned char CurrentShowTxate;
1106         unsigned char last_packet_rate;
1107         unsigned int txretrycount;
1108 };
1109
1110 #define BEACON_PROBE_SSID_ID_POSITION 12
1111
1112 struct ieee80211_info_element_hdr {
1113         u8 id;
1114         u8 len;
1115 } __attribute__ ((packed));
1116
1117 /*
1118  * These are the data types that can make up management packets
1119  *
1120         u16 auth_algorithm;
1121         u16 auth_sequence;
1122         u16 beacon_interval;
1123         u16 capability;
1124         u8 current_ap[ETH_ALEN];
1125         u16 listen_interval;
1126         struct {
1127                 u16 association_id:14, reserved:2;
1128         } __attribute__ ((packed));
1129         u32 time_stamp[2];
1130         u16 reason;
1131         u16 status;
1132 */
1133
1134 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
1135 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
1136
1137 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1138 #define MAX_SP_Len  (WMM_all_frame << 4)
1139 #define IEEE80211_QOS_TID 0x0f
1140 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1141
1142 #define IEEE80211_DTIM_MBCAST 4
1143 #define IEEE80211_DTIM_UCAST 2
1144 #define IEEE80211_DTIM_VALID 1
1145 #define IEEE80211_DTIM_INVALID 0
1146
1147 #define IEEE80211_PS_DISABLED 0
1148 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
1149 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
1150
1151 //added by David for QoS 2006/6/30
1152 //#define WMM_Hang_8187
1153 #ifdef WMM_Hang_8187
1154 #undef WMM_Hang_8187
1155 #endif
1156
1157 #define WME_AC_BK   0x00
1158 #define WME_AC_BE   0x01
1159 #define WME_AC_VI   0x02
1160 #define WME_AC_VO   0x03
1161 #define WME_ACI_MASK 0x03
1162 #define WME_AIFSN_MASK 0x03
1163 #define WME_AC_PRAM_LEN 16
1164
1165 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
1166 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
1167 #define UP2AC(up) (                \
1168         ((up) < 1) ? WME_AC_BE : \
1169         ((up) < 3) ? WME_AC_BK : \
1170         ((up) < 4) ? WME_AC_BE : \
1171         ((up) < 6) ? WME_AC_VI : \
1172         WME_AC_VO)
1173
1174 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
1175 #define AC2UP(_ac)      (       \
1176         ((_ac) == WME_AC_VO) ? 6 : \
1177         ((_ac) == WME_AC_VI) ? 5 : \
1178         ((_ac) == WME_AC_BK) ? 1 : \
1179         0)
1180
1181 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
1182
1183 /* length of two Ethernet address plus ether type */
1184 #define ETHERNET_HEADER_SIZE    14
1185
1186 struct  ether_header {
1187         u8 ether_dhost[ETHER_ADDR_LEN];
1188         u8 ether_shost[ETHER_ADDR_LEN];
1189         u16 ether_type;
1190 } __attribute__((packed));
1191
1192 #ifndef ETHERTYPE_PAE
1193 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
1194 #endif
1195 #ifndef ETHERTYPE_IP
1196 #define ETHERTYPE_IP    0x0800          /* IP protocol */
1197 #endif
1198
1199 enum {
1200         ERP_NonERPpresent       = 1,
1201         ERP_UseProtection       = 2,
1202         ERP_BarkerPreambleMode  = 4,
1203 };
1204
1205 struct ieee80211_network {
1206         /* These entries are used to identify a unique network */
1207         u8 bssid[ETH_ALEN];
1208         u8 channel;
1209         /* Ensure null-terminated for any debug msgs */
1210         u8 ssid[IW_ESSID_MAX_SIZE + 1];
1211         u8 ssid_len;
1212
1213         struct ieee80211_qos_data qos_data;
1214
1215         /* for LEAP */
1216         bool    bWithAironetIE;
1217         bool    bCkipSupported;
1218         bool    bCcxRmEnable;
1219         u16     CcxRmState[2];
1220
1221         /* CCXv4 S59, MBSSID. */
1222         bool    bMBssidValid;
1223         u8      MBssidMask;
1224         u8      MBssid[6];
1225
1226         /* CCX 2 S38, WLAN Device Version Number element. */
1227         bool    bWithCcxVerNum;
1228         u8      BssCcxVerNumber;
1229
1230         /* These are network statistics */
1231         struct ieee80211_rx_stats stats;
1232         u16 capability;
1233         u8  rates[MAX_RATES_LENGTH];
1234         u8  rates_len;
1235         u8  rates_ex[MAX_RATES_EX_LENGTH];
1236         u8  rates_ex_len;
1237         unsigned long last_scanned;
1238         u8  mode;
1239         u32 flags;
1240         u32 last_associate;
1241         u32 time_stamp[2];
1242         u16 beacon_interval;
1243         u16 listen_interval;
1244         u16 atim_window;
1245         u8  erp_value;
1246         u8  wpa_ie[MAX_WPA_IE_LEN];
1247         size_t wpa_ie_len;
1248         u8  rsn_ie[MAX_WPA_IE_LEN];
1249         size_t rsn_ie_len;
1250
1251         struct ieee80211_tim_parameters tim;
1252         u8  dtim_period;
1253         u8  dtim_data;
1254         u32 last_dtim_sta_time[2];
1255
1256         //appeded for QoS
1257         u8 wmm_info;
1258         struct ieee80211_wmm_ac_param wmm_param[4];
1259         u8 QoS_Enable;
1260         u8 Turbo_Enable;//enable turbo mode, added by thomas
1261         u16 CountryIeLen;
1262         u8 CountryIeBuf[MAX_IE_LEN];
1263
1264         /* HT Related */
1265         BSS_HT  bssht;
1266         /* Added to handle broadcom AP management frame CCK rate. */
1267         bool broadcom_cap_exist;
1268         bool realtek_cap_exit;
1269         bool marvell_cap_exist;
1270         bool ralink_cap_exist;
1271         bool atheros_cap_exist;
1272         bool cisco_cap_exist;
1273         bool unknown_cap_exist;
1274         bool berp_info_valid;
1275         bool buseprotection;
1276
1277         struct list_head list;  /* put at the end of the structure */
1278 };
1279
1280 enum ieee80211_state {
1281
1282         /* the card is not linked at all */
1283         IEEE80211_NOLINK = 0,
1284
1285         /* IEEE80211_ASSOCIATING* are for BSS client mode
1286          * the driver shall not perform RX filtering unless
1287          * the state is LINKED.
1288          * The driver shall just check for the state LINKED and
1289          * defaults to NOLINK for ALL the other states (including
1290          * LINKED_SCANNING)
1291          */
1292
1293         /* the association procedure will start (wq scheduling)*/
1294         IEEE80211_ASSOCIATING,
1295         IEEE80211_ASSOCIATING_RETRY,
1296
1297         /* the association procedure is sending AUTH request*/
1298         IEEE80211_ASSOCIATING_AUTHENTICATING,
1299
1300         /* the association procedure has successfully authentcated
1301          * and is sending association request
1302          */
1303         IEEE80211_ASSOCIATING_AUTHENTICATED,
1304
1305         /* the link is ok. the card associated to a BSS or linked
1306          * to a ibss cell or acting as an AP and creating the bss
1307          */
1308         IEEE80211_LINKED,
1309
1310         /* same as LINKED, but the driver shall apply RX filter
1311          * rules as we are in NO_LINK mode. As the card is still
1312          * logically linked, but it is doing a syncro site survey
1313          * then it will be back to LINKED state.
1314          */
1315         IEEE80211_LINKED_SCANNING,
1316
1317 };
1318
1319 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1320 #define DEFAULT_FTS 2346
1321
1322 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1323 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1324
1325 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1326 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1327 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1328                                   IEEE80211_24GHZ_MIN_CHANNEL + 1)
1329
1330 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1331 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1332 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1333                                   IEEE80211_52GHZ_MIN_CHANNEL + 1)
1334
1335 typedef struct tx_pending_t{
1336         int frag;
1337         struct ieee80211_txb *txb;
1338 }tx_pending_t;
1339
1340 struct bandwidth_autoswitch {
1341         long threshold_20Mhzto40Mhz;
1342         long threshold_40Mhzto20Mhz;
1343         bool bforced_tx20Mhz;
1344         bool bautoswitch_enable;
1345 };
1346
1347 #define REORDER_WIN_SIZE        128
1348 #define REORDER_ENTRY_NUM       128
1349 typedef struct _RX_REORDER_ENTRY
1350 {
1351         struct list_head        List;
1352         u16                     SeqNum;
1353         struct ieee80211_rxb* prxb;
1354 } RX_REORDER_ENTRY, *PRX_REORDER_ENTRY;
1355
1356 typedef enum _Fsync_State{
1357         Default_Fsync,
1358         HW_Fsync,
1359         SW_Fsync
1360 } Fsync_State;
1361
1362 /* Power save mode configured. */
1363 typedef enum _RT_PS_MODE {
1364         eActive,        /* Active/Continuous access. */
1365         eMaxPs,         /* Max power save mode. */
1366         eFastPs         /* Fast power save mode. */
1367 } RT_PS_MODE;
1368
1369 typedef enum _IPS_CALLBACK_FUNCION {
1370         IPS_CALLBACK_NONE = 0,
1371         IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1372         IPS_CALLBACK_JOIN_REQUEST = 2,
1373 } IPS_CALLBACK_FUNCION;
1374
1375 typedef enum _RT_JOIN_ACTION {
1376         RT_JOIN_INFRA = 1,
1377         RT_JOIN_IBSS  = 2,
1378         RT_START_IBSS = 3,
1379         RT_NO_ACTION  = 4,
1380 } RT_JOIN_ACTION;
1381
1382 struct ibss_parms {
1383         u16 atimWin;
1384 };
1385
1386 /* Max num of support rates element: 8,  Max num of ext. support rate: 255. */
1387 #define MAX_NUM_RATES   264
1388
1389 typedef enum _RT_RF_POWER_STATE {
1390         eRfOn,
1391         eRfSleep,
1392         eRfOff
1393 } RT_RF_POWER_STATE;
1394
1395 struct rt_power_save_control {
1396         /* Inactive Power Save (IPS): disable RF when disconnected */
1397         bool                    bInactivePs;
1398         bool                    bIPSModeBackup;
1399         bool                    bHaltAdapterClkRQ;
1400         bool                    bSwRfProcessing;
1401         RT_RF_POWER_STATE       eInactivePowerState;
1402         struct work_struct      InactivePsWorkItem;
1403         struct timer_list       InactivePsTimer;
1404
1405         /* return point for join action */
1406         IPS_CALLBACK_FUNCION    ReturnPoint;
1407
1408         /* Recored Parameters for rescheduled JoinRequest */
1409         bool                    bTmpBssDesc;
1410         RT_JOIN_ACTION          tmpJoinAction;
1411         struct ieee80211_network tmpBssDesc;
1412
1413         /* Recored Parameters for rescheduled MgntLinkRequest */
1414         bool                    bTmpScanOnly;
1415         bool                    bTmpActiveScan;
1416         bool                    bTmpFilterHiddenAP;
1417         bool                    bTmpUpdateParms;
1418         u8                      tmpSsidBuf[33];
1419         OCTET_STRING            tmpSsid2Scan;
1420         bool                    bTmpSsid2Scan;
1421         u8                      tmpNetworkType;
1422         u8                      tmpChannelNumber;
1423         u16                     tmpBcnPeriod;
1424         u8                      tmpDtimPeriod;
1425         u16                     tmpmCap;
1426         OCTET_STRING            tmpSuppRateSet;
1427         u8                      tmpSuppRateBuf[MAX_NUM_RATES];
1428         bool                    bTmpSuppRate;
1429         struct ibss_parms       tmpIbpm;
1430         bool                    bTmpIbpm;
1431
1432         /* Leisre Poswer Save: disable RF if connected but traffic isn't busy */
1433         bool                    bLeisurePs;
1434         u32                     PowerProfile;
1435         u8                      LpsIdleCount;
1436         u8                      RegMaxLPSAwakeIntvl;
1437         u8                      LPSAwakeIntvl;
1438
1439         /* RF OFF Level */
1440         u32                     CurPsLevel;
1441         u32                     RegRfPsLevel;
1442
1443         /* Fw Control LPS */
1444         bool                    bFwCtrlLPS;
1445         u8                      FWCtrlPSMode;
1446
1447         /* Record if there is a link request in IPS RF off progress. */
1448         bool                    LinkReqInIPSRFOffPgs;
1449         /*
1450          * To make sure that connect info should be executed, so we set the
1451          * bit to filter the link info which comes after the connect info.
1452          */
1453         bool                    BufConnectinfoBefore;
1454 };
1455
1456 enum {
1457         RF_CHANGE_BY_SW         = BIT31,
1458         RF_CHANGE_BY_HW         = BIT30,
1459         RF_CHANGE_BY_PS         = BIT29,
1460         RF_CHANGE_BY_IPS        = BIT28,
1461 };
1462
1463 enum {
1464         COUNTRY_CODE_FCC = 0,
1465         COUNTRY_CODE_IC = 1,
1466         COUNTRY_CODE_ETSI = 2,
1467         COUNTRY_CODE_SPAIN = 3,
1468         COUNTRY_CODE_FRANCE = 4,
1469         COUNTRY_CODE_MKK = 5,
1470         COUNTRY_CODE_MKK1 = 6,
1471         COUNTRY_CODE_ISRAEL = 7,
1472         COUNTRY_CODE_TELEC,
1473         COUNTRY_CODE_MIC,
1474         COUNTRY_CODE_GLOBAL_DOMAIN
1475 };
1476
1477 /* Firmware related CMD IO. */
1478 typedef enum _FW_CMD_IO_TYPE {
1479         FW_CMD_DIG_ENABLE = 0,          /* for DIG DM */
1480         FW_CMD_DIG_DISABLE = 1,
1481         FW_CMD_DIG_HALT = 2,
1482         FW_CMD_DIG_RESUME = 3,
1483         FW_CMD_HIGH_PWR_ENABLE = 4,     /* for High Power DM */
1484         FW_CMD_HIGH_PWR_DISABLE = 5,
1485         FW_CMD_RA_RESET = 6,            /* for Rate adaptive DM */
1486         FW_CMD_RA_ACTIVE = 7,
1487         FW_CMD_RA_REFRESH_N = 8,
1488         FW_CMD_RA_REFRESH_BG = 9,
1489         FW_CMD_IQK_ENABLE = 10,         /* for FW supported IQK */
1490         FW_CMD_TXPWR_TRACK_ENABLE = 11, /* Tx power tracking switch */
1491         FW_CMD_TXPWR_TRACK_DISABLE = 12,/* Tx power tracking switch */
1492         FW_CMD_PAUSE_DM_BY_SCAN = 13,
1493         FW_CMD_RESUME_DM_BY_SCAN = 14,
1494         FW_CMD_MID_HIGH_PWR_ENABLE = 15,
1495         /* indicate firmware that driver enters LPS, for PS-Poll hardware bug */
1496         FW_CMD_LPS_ENTER = 16,
1497         /* indicate firmware that driver leave LPS */
1498         FW_CMD_LPS_LEAVE = 17,
1499 } FW_CMD_IO_TYPE;
1500
1501 #define RT_MAX_LD_SLOT_NUM      10
1502 struct rt_link_detect {
1503         u32     NumRecvBcnInPeriod;
1504         u32     NumRecvDataInPeriod;
1505
1506         /* number of Rx beacon / CheckForHang_period to determine link status */
1507         u32     RxBcnNum[RT_MAX_LD_SLOT_NUM];
1508         /* number of Rx data / CheckForHang_period to determine link status */
1509         u32     RxDataNum[RT_MAX_LD_SLOT_NUM];
1510         /* number of CheckForHang period to determine link status */
1511         u16     SlotNum;
1512         u16     SlotIndex;
1513
1514         u32     NumTxOkInPeriod;
1515         u32     NumRxOkInPeriod;
1516         bool    bBusyTraffic;
1517 };
1518
1519 struct ieee80211_device {
1520         struct net_device *dev;
1521         struct ieee80211_security sec;
1522
1523         /* hw security related */
1524         u8 hwsec_active;
1525         bool is_silent_reset;
1526         bool is_roaming;
1527         bool ieee_up;
1528         bool bSupportRemoteWakeUp;
1529         RT_PS_MODE dot11PowerSaveMode;
1530         bool actscanning;
1531         bool be_scan_inprogress;
1532         bool beinretry;
1533         RT_RF_POWER_STATE eRFPowerState;
1534         u32 RfOffReason;
1535         bool is_set_key;
1536
1537         /* 11n HT below */
1538         PRT_HIGH_THROUGHPUT pHTInfo;
1539         spinlock_t bw_spinlock;
1540
1541         spinlock_t reorder_spinlock;
1542         /*
1543          * for HT operation rate set, we use this one for HT data rate to
1544          * seperate different descriptors the way fill this is the same as
1545          * in the IE
1546          */
1547         u8      Regdot11HTOperationalRateSet[16];       /* use RATR format */
1548         u8      dot11HTOperationalRateSet[16];          /* use RATR format */
1549         u8      RegHTSuppRateSet[16];
1550         u8      HTCurrentOperaRate;
1551         u8      HTHighestOperaRate;
1552         /* for rate operation mode to firmware */
1553         u8      bTxDisableRateFallBack;
1554         u8      bTxUseDriverAssingedRate;
1555         atomic_t        atm_chnlop;
1556         atomic_t        atm_swbw;
1557
1558         /* 802.11e and WMM Traffic Stream Info (TX) */
1559         struct list_head        Tx_TS_Admit_List;
1560         struct list_head        Tx_TS_Pending_List;
1561         struct list_head        Tx_TS_Unused_List;
1562         TX_TS_RECORD            TxTsRecord[TOTAL_TS_NUM];
1563         /* 802.11e and WMM Traffic Stream Info (RX) */
1564         struct list_head        Rx_TS_Admit_List;
1565         struct list_head        Rx_TS_Pending_List;
1566         struct list_head        Rx_TS_Unused_List;
1567         RX_TS_RECORD            RxTsRecord[TOTAL_TS_NUM];
1568
1569         RX_REORDER_ENTRY        RxReorderEntry[128];
1570         struct list_head        RxReorder_Unused_List;
1571
1572         /* Qos related */
1573         /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1574         u8 ForcedPriority;
1575
1576         /* Bookkeeping structures */
1577         struct net_device_stats stats;
1578         struct ieee80211_stats ieee_stats;
1579         struct ieee80211_softmac_stats softmac_stats;
1580
1581         /* Probe / Beacon management */
1582         struct list_head network_free_list;
1583         struct list_head network_list;
1584         struct ieee80211_network *networks;
1585         int scans;
1586         int scan_age;
1587
1588         int iw_mode; /* operating mode (IW_MODE_*) */
1589         struct iw_spy_data spy_data;
1590
1591         spinlock_t lock;
1592         spinlock_t wpax_suitlist_lock;
1593
1594         int tx_headroom; /* Set to size of any additional room needed at front
1595                           * of allocated Tx SKBs */
1596         u32 config;
1597
1598         /* WEP and other encryption related settings at the device level */
1599         int open_wep; /* Set to 1 to allow unencrypted frames */
1600         int auth_mode;
1601         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1602                                  * WEP key changes */
1603
1604         /* If the host performs {en,de}cryption, then set to 1 */
1605         int host_encrypt;
1606         int host_encrypt_msdu;
1607         int host_decrypt;
1608         /* host performs multicast decryption */
1609         int host_mc_decrypt;
1610
1611         /* host should strip IV and ICV from protected frames */
1612         /* meaningful only when hardware decryption is being used */
1613         int host_strip_iv_icv;
1614
1615         int host_open_frag;
1616         int host_build_iv;
1617         int ieee802_1x; /* is IEEE 802.1X used */
1618
1619         /* WPA data */
1620         bool bHalfWirelessN24GMode;
1621         int wpa_enabled;
1622         int drop_unencrypted;
1623         int tkip_countermeasures;
1624         int privacy_invoked;
1625         size_t wpa_ie_len;
1626         u8 *wpa_ie;
1627         u8 ap_mac_addr[6];
1628         u16 pairwise_key_type;
1629         u16 group_key_type;
1630         struct list_head crypt_deinit_list;
1631         struct ieee80211_crypt_data *crypt[WEP_KEYS];
1632         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1633         struct timer_list crypt_deinit_timer;
1634         int crypt_quiesced;
1635
1636         int bcrx_sta_key; /* use individual keys to override default keys even
1637                            * with RX of broad/multicast frames */
1638
1639         /* Fragmentation structures */
1640         // each streaming contain a entry
1641         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1642         unsigned int frag_next_idx[17];
1643         u16 fts; /* Fragmentation Threshold */
1644 #define DEFAULT_RTS_THRESHOLD 2346U
1645 #define MIN_RTS_THRESHOLD 1
1646 #define MAX_RTS_THRESHOLD 2346U
1647         u16 rts; /* RTS threshold */
1648
1649         /* Association info */
1650         u8 bssid[ETH_ALEN];
1651
1652         /* This stores infos for the current network.
1653          * Either the network we are associated in INFRASTRUCTURE
1654          * or the network that we are creating in MASTER mode.
1655          * ad-hoc is a mixture ;-).
1656          * Note that in infrastructure mode, even when not associated,
1657          * fields bssid and essid may be valid (if wpa_set and essid_set
1658          * are true) as thy carry the value set by the user via iwconfig
1659          */
1660         struct ieee80211_network current_network;
1661
1662         enum ieee80211_state state;
1663
1664         int short_slot;
1665         int reg_mode;
1666         int mode;       /* A, B, G */
1667         int modulation; /* CCK, OFDM */
1668         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
1669         int abg_true;   /* ABG flag              */
1670
1671         /* used for forcing the ibss workqueue to terminate
1672          * without wait for the syncro scan to terminate
1673          */
1674         short sync_scan_hurryup;
1675         u16 scan_watch_dog;
1676         int perfect_rssi;
1677         int worst_rssi;
1678
1679         u16 prev_seq_ctl;       /* used to drop duplicate frames */
1680
1681         /*
1682          * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1683          * a basic channel plan depending of the PHY type
1684          */
1685         void *pDot11dInfo;
1686         bool bGlobalDomain;
1687         int rate;       /* current rate */
1688         int basic_rate;
1689         //FIXME: pleace callback, see if redundant with softmac_features
1690         short active_scan;
1691
1692         /* this contains flags for selectively enable softmac support */
1693         u16 softmac_features;
1694
1695         /* if the sequence control field is not filled by HW */
1696         u16 seq_ctrl[5];
1697
1698         /* association procedure transaction sequence number */
1699         u16 associate_seq;
1700
1701         /* AID for RTXed association responses */
1702         u16 assoc_id;
1703
1704         /* power save mode related*/
1705         u8 ack_tx_to_ieee;
1706         short ps;
1707         short sta_sleep;
1708         int ps_timeout;
1709         int ps_period;
1710         struct tasklet_struct ps_task;
1711         u32 ps_th;
1712         u32 ps_tl;
1713
1714         short raw_tx;
1715         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1716         short queue_stop;
1717         short scanning;
1718         short proto_started;
1719
1720         struct semaphore wx_sem;
1721         struct semaphore scan_sem;
1722
1723         spinlock_t mgmt_tx_lock;
1724         spinlock_t beacon_lock;
1725
1726         short beacon_txing;
1727
1728         short wap_set;
1729         short ssid_set;
1730
1731         u8  wpax_type_set;    //{added by David, 2006.9.28}
1732         u32 wpax_type_notify; //{added by David, 2006.9.26}
1733
1734         /* QoS related flag */
1735         char init_wmmparam_flag;
1736         /* set on initialization */
1737         u8  qos_support;
1738
1739         /* for discarding duplicated packets in IBSS */
1740         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1741
1742         /* for discarding duplicated packets in BSS */
1743         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1744         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1745         unsigned long last_packet_time[17];
1746
1747         /* for PS mode */
1748         unsigned long last_rx_ps_time;
1749
1750         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1751         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1752         int mgmt_queue_head;
1753         int mgmt_queue_tail;
1754
1755 /* rtl819x start */
1756         u8 AsocRetryCount;
1757         unsigned int hw_header;
1758         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1759         struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1760         struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1761         u32 sta_edca_param[4];
1762         bool aggregation;
1763         /* Enable/Disable Rx immediate BA capability. */
1764         bool enable_rx_imm_BA;
1765         bool bibsscoordinator;
1766
1767         /* Dynamic Tx power for near/far range enable/disable. */
1768         bool bdynamic_txpower_enable;
1769
1770         bool bCTSToSelfEnable;
1771         u8 CTSToSelfTH;
1772
1773         u32     fsync_time_interval;
1774         u32     fsync_rate_bitmap;
1775         u8      fsync_rssi_threshold;
1776         bool    bfsync_enable;
1777
1778         u8      fsync_multiple_timeinterval;    /* value * FsyncTimeInterval */
1779         u32     fsync_firstdiff_ratethreshold;  /* low threshold */
1780         u32     fsync_seconddiff_ratethreshold; /* decrease threshold */
1781         Fsync_State     fsync_state;
1782         bool            bis_any_nonbepkts;
1783         /* 20Mhz 40Mhz AutoSwitch Threshold */
1784         struct bandwidth_autoswitch bandwidth_auto_switch;
1785         /* for txpower tracking */
1786         bool FwRWRF;
1787
1788         /* for AP roaming */
1789         struct rt_link_detect LinkDetectInfo;
1790
1791         struct rt_power_save_control PowerSaveControl;
1792 /* rtl819x end */
1793
1794         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1795         struct  tx_pending_t tx_pending;
1796
1797         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1798         struct timer_list associate_timer;
1799
1800         /* used if IEEE_SOFTMAC_BEACONS is set */
1801         struct timer_list beacon_timer;
1802         struct work_struct associate_complete_wq;
1803         struct work_struct associate_procedure_wq;
1804         struct delayed_work softmac_scan_wq;
1805         struct delayed_work associate_retry_wq;
1806         struct delayed_work start_ibss_wq;
1807         struct delayed_work hw_wakeup_wq;
1808         struct delayed_work hw_sleep_wq;
1809         struct delayed_work link_change_wq;
1810         struct work_struct wx_sync_scan_wq;
1811         struct workqueue_struct *wq;
1812
1813         /* Callback functions */
1814         void (*set_security)(struct net_device *dev,
1815                              struct ieee80211_security *sec);
1816
1817         /* Used to TX data frame by using txb structs.
1818          * this is not used if in the softmac_features
1819          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1820          */
1821         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1822                                struct net_device *dev);
1823
1824         int (*reset_port)(struct net_device *dev);
1825         int (*is_queue_full)(struct net_device *dev, int pri);
1826
1827         int (*handle_management)(struct net_device *dev,
1828                                  struct ieee80211_network *network, u16 type);
1829         int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1830
1831         /* Softmac-generated frames (mamagement) are TXed via this
1832          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1833          * not set. As some cards may have different HW queues that
1834          * one might want to use for data and management frames
1835          * the option to have two callbacks might be useful.
1836          * This fucntion can't sleep.
1837          */
1838         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1839                                struct net_device *dev);
1840
1841         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1842          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1843          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1844          * then also management frames are sent via this callback.
1845          * This function can't sleep.
1846          */
1847         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1848                                struct net_device *dev,int rate);
1849
1850         /* stops the HW queue for DATA frames. Useful to avoid
1851          * waste time to TX data frame when we are reassociating
1852          * This function can sleep.
1853          */
1854         void (*data_hard_stop)(struct net_device *dev);
1855
1856         /* OK this is complementar to data_poll_hard_stop */
1857         void (*data_hard_resume)(struct net_device *dev);
1858
1859         /* ask to the driver to retune the radio .
1860          * This function can sleep. the driver should ensure
1861          * the radio has been swithced before return.
1862          */
1863         void (*set_chan)(struct net_device *dev,short ch);
1864
1865         /* These are not used if the ieee stack takes care of
1866          * scanning (IEEE_SOFTMAC_SCAN feature set).
1867          * In this case only the set_chan is used.
1868          *
1869          * The syncro version is similar to the start_scan but
1870          * does not return until all channels has been scanned.
1871          * this is called in user context and should sleep,
1872          * it is called in a work_queue when swithcing to ad-hoc mode
1873          * or in behalf of iwlist scan when the card is associated
1874          * and root user ask for a scan.
1875          * the fucntion stop_scan should stop both the syncro and
1876          * background scanning and can sleep.
1877          * The fucntion start_scan should initiate the background
1878          * scanning and can't sleep.
1879          */
1880         void (*scan_syncro)(struct net_device *dev);
1881         void (*start_scan)(struct net_device *dev);
1882         void (*stop_scan)(struct net_device *dev);
1883
1884         /* indicate the driver that the link state is changed
1885          * for example it may indicate the card is associated now.
1886          * Driver might be interested in this to apply RX filter
1887          * rules or simply light the LINK led
1888          */
1889         void (*link_change)(struct net_device *dev);
1890
1891         /* these two function indicates to the HW when to start
1892          * and stop to send beacons. This is used when the
1893          * IEEE_SOFTMAC_BEACONS is not set. For now the
1894          * stop_send_bacons is NOT guaranteed to be called only
1895          * after start_send_beacons.
1896          */
1897         void (*start_send_beacons) (struct net_device *dev);
1898         void (*stop_send_beacons) (struct net_device *dev);
1899
1900         /* power save mode related */
1901         void (*sta_wake_up) (struct net_device *dev);
1902         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1903         short (*ps_is_queue_empty) (struct net_device *dev);
1904
1905         int (*handle_beacon)(struct net_device *dev,
1906                              struct ieee80211_probe_response *beacon,
1907                              struct ieee80211_network *network);
1908         int (*handle_assoc_response)(struct net_device *dev,
1909                                 struct ieee80211_assoc_response_frame *resp,
1910                                 struct ieee80211_network *network);
1911
1912         /* check whether Tx hw resouce available */
1913         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1914         /* HT related */
1915         void (*SetBWModeHandler)(struct net_device *dev,
1916                                  HT_CHANNEL_WIDTH Bandwidth,
1917                                  HT_EXTCHNL_OFFSET Offset);
1918         bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1919         void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1920         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1921         bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1922         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1923         bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1924         void (*LedControlHandler)(struct net_device *dev,
1925                                   LED_CTL_MODE LedAction);
1926         /* This must be the last item so that it points to the data
1927          * allocated beyond this structure by alloc_ieee80211 */
1928         u8 priv[0];
1929 };
1930
1931 #define IEEE_A            (1<<0)
1932 #define IEEE_B            (1<<1)
1933 #define IEEE_G            (1<<2)
1934 #define IEEE_N_24G                (1<<4)
1935 #define IEEE_N_5G                 (1<<5)
1936 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1937
1938 /* Generate a 802.11 header */
1939
1940 /* Uses the channel change callback directly
1941  * instead of [start/stop] scan callbacks
1942  */
1943 #define IEEE_SOFTMAC_SCAN (1<<2)
1944
1945 /* Perform authentication and association handshake */
1946 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1947
1948 /* Generate probe requests */
1949 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1950
1951 /* Generate respones to probe requests */
1952 #define IEEE_SOFTMAC_PROBERS (1<<5)
1953
1954 /* The ieee802.11 stack will manages the netif queue
1955  * wake/stop for the driver, taking care of 802.11
1956  * fragmentation. See softmac.c for details. */
1957 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1958
1959 /* Uses only the softmac_data_hard_start_xmit
1960  * even for TX management frames.
1961  */
1962 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1963
1964 /* Generate beacons.  The stack will enqueue beacons
1965  * to the card
1966  */
1967 #define IEEE_SOFTMAC_BEACONS (1<<6)
1968
1969 static inline void *ieee80211_priv(struct net_device *dev)
1970 {
1971         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1972 }
1973
1974 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1975 {
1976         /* Single white space is for Linksys APs */
1977         if (essid_len == 1 && essid[0] == ' ')
1978                 return 1;
1979
1980         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1981         while (essid_len) {
1982                 essid_len--;
1983                 if (essid[essid_len] != '\0')
1984                         return 0;
1985         }
1986
1987         return 1;
1988 }
1989
1990 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1991 {
1992         /*
1993          * It is possible for both access points and our device to support
1994          * combinations of modes, so as long as there is one valid combination
1995          * of ap/device supported modes, then return success
1996          *
1997          */
1998         if ((mode & IEEE_A) &&
1999             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
2000             (ieee->freq_band & IEEE80211_52GHZ_BAND))
2001                 return 1;
2002
2003         if ((mode & IEEE_G) &&
2004             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
2005             (ieee->freq_band & IEEE80211_24GHZ_BAND))
2006                 return 1;
2007
2008         if ((mode & IEEE_B) &&
2009             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
2010             (ieee->freq_band & IEEE80211_24GHZ_BAND))
2011                 return 1;
2012
2013         return 0;
2014 }
2015
2016 extern inline int ieee80211_get_hdrlen(u16 fc)
2017 {
2018         int hdrlen = IEEE80211_3ADDR_LEN;
2019
2020         switch (WLAN_FC_GET_TYPE(fc)) {
2021         case IEEE80211_FTYPE_DATA:
2022                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
2023                         hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
2024                 if(IEEE80211_QOS_HAS_SEQ(fc))
2025                         hdrlen += 2; /* QOS ctrl*/
2026                 break;
2027         case IEEE80211_FTYPE_CTL:
2028                 switch (WLAN_FC_GET_STYPE(fc)) {
2029                 case IEEE80211_STYPE_CTS:
2030                 case IEEE80211_STYPE_ACK:
2031                         hdrlen = IEEE80211_1ADDR_LEN;
2032                         break;
2033                 default:
2034                         hdrlen = IEEE80211_2ADDR_LEN;
2035                         break;
2036                 }
2037                 break;
2038         }
2039
2040         return hdrlen;
2041 }
2042
2043 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
2044 {
2045         switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
2046         case IEEE80211_1ADDR_LEN:
2047                 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
2048         case IEEE80211_2ADDR_LEN:
2049                 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
2050         case IEEE80211_3ADDR_LEN:
2051                 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
2052         case IEEE80211_4ADDR_LEN:
2053                 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
2054         }
2055         return NULL;
2056 }
2057
2058 static inline int ieee80211_is_ofdm_rate(u8 rate)
2059 {
2060         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
2061         case IEEE80211_OFDM_RATE_6MB:
2062         case IEEE80211_OFDM_RATE_9MB:
2063         case IEEE80211_OFDM_RATE_12MB:
2064         case IEEE80211_OFDM_RATE_18MB:
2065         case IEEE80211_OFDM_RATE_24MB:
2066         case IEEE80211_OFDM_RATE_36MB:
2067         case IEEE80211_OFDM_RATE_48MB:
2068         case IEEE80211_OFDM_RATE_54MB:
2069                 return 1;
2070         }
2071         return 0;
2072 }
2073
2074 static inline int ieee80211_is_cck_rate(u8 rate)
2075 {
2076         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
2077         case IEEE80211_CCK_RATE_1MB:
2078         case IEEE80211_CCK_RATE_2MB:
2079         case IEEE80211_CCK_RATE_5MB:
2080         case IEEE80211_CCK_RATE_11MB:
2081                 return 1;
2082         }
2083         return 0;
2084 }
2085
2086
2087 /* ieee80211.c */
2088 extern void free_ieee80211(struct net_device *dev);
2089 extern struct net_device *alloc_ieee80211(int sizeof_priv);
2090
2091 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
2092
2093 /* ieee80211_tx.c */
2094
2095 extern int ieee80211_encrypt_fragment(
2096         struct ieee80211_device *ieee,
2097         struct sk_buff *frag,
2098         int hdr_len);
2099
2100 extern int rtl8192_ieee80211_xmit(struct sk_buff *skb,
2101                           struct net_device *dev);
2102 extern void ieee80211_txb_free(struct ieee80211_txb *);
2103
2104
2105 /* ieee80211_rx.c */
2106 extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
2107                         struct ieee80211_rx_stats *rx_stats);
2108 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
2109                              struct ieee80211_hdr_4addr *header,
2110                              struct ieee80211_rx_stats *stats);
2111
2112 /* ieee80211_wx.c */
2113 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
2114                                  struct iw_request_info *info,
2115                                  union iwreq_data *wrqu, char *key);
2116 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
2117                                    struct iw_request_info *info,
2118                                    union iwreq_data *wrqu, char *key);
2119 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
2120                                    struct iw_request_info *info,
2121                                    union iwreq_data *wrqu, char *key);
2122 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
2123                             struct iw_request_info *info,
2124                             union iwreq_data* wrqu, char *extra);
2125 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
2126                                struct iw_request_info *info,
2127                                struct iw_param *data, char *extra);
2128 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
2129                                struct iw_request_info *info,
2130                                union iwreq_data *wrqu, char *extra);
2131 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
2132
2133 /* ieee80211_softmac.c */
2134 extern short ieee80211_is_54g(struct ieee80211_network net);
2135 extern short ieee80211_is_shortslot(struct ieee80211_network net);
2136 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
2137                         struct ieee80211_rx_stats *rx_stats, u16 type,
2138                         u16 stype);
2139 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
2140
2141 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
2142 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
2143
2144 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
2145 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
2146 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
2147 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
2148 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
2149 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
2150 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
2151 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
2152 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
2153 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
2154 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
2155 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
2156 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
2157 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
2158 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
2159 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
2160 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
2161 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
2162 extern void ieee80211_wake_queue(struct ieee80211_device *ieee);
2163 extern void ieee80211_stop_queue(struct ieee80211_device *ieee);
2164 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
2165 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
2166 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
2167 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
2168 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
2169 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
2170
2171 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
2172
2173 /* ieee80211_crypt_ccmp&tkip&wep.c */
2174 extern void ieee80211_tkip_null(void);
2175 extern void ieee80211_wep_null(void);
2176 extern void ieee80211_ccmp_null(void);
2177
2178 /* ieee80211_softmac_wx.c */
2179
2180 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
2181                             struct iw_request_info *info,
2182                             union iwreq_data *wrqu, char *ext);
2183
2184 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
2185                          struct iw_request_info *info,
2186                          union iwreq_data *awrq,
2187                          char *extra);
2188
2189 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
2190
2191 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
2192                              struct iw_request_info *info,
2193                              union iwreq_data *wrqu, char *extra);
2194
2195 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
2196                              struct iw_request_info *info,
2197                              union iwreq_data *wrqu, char *extra);
2198
2199 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
2200                              union iwreq_data *wrqu, char *b);
2201
2202 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
2203                              union iwreq_data *wrqu, char *b);
2204
2205 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
2206                               struct iw_request_info *a,
2207                               union iwreq_data *wrqu, char *extra);
2208
2209 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
2210                              union iwreq_data *wrqu, char *b);
2211
2212 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
2213                              union iwreq_data *wrqu, char *b);
2214
2215 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
2216                              union iwreq_data *wrqu, char *b);
2217
2218 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
2219
2220 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
2221                                struct iw_request_info *info,
2222                                union iwreq_data *wrqu, char *extra);
2223
2224 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
2225                              struct iw_request_info *info,
2226                              union iwreq_data *wrqu, char *extra);
2227
2228 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
2229                                  struct iw_request_info *info,
2230                                  union iwreq_data *wrqu, char *extra);
2231
2232 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
2233                                  struct iw_request_info *info,
2234                                  union iwreq_data *wrqu, char *extra);
2235
2236 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
2237                              struct iw_request_info *info,
2238                              union iwreq_data *wrqu, char *extra);
2239
2240 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
2241                              struct iw_request_info *info,
2242                              union iwreq_data *wrqu, char *extra);
2243
2244 /* HT */
2245 #define MAX_RECEIVE_BUFFER_SIZE 9100
2246 extern void HTDebugHTCapability(u8 *CapIE, u8 *TitleString);
2247 extern void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString);
2248
2249 extern void HTSetConnectBwMode(struct ieee80211_device *ieee,
2250                                HT_CHANNEL_WIDTH Bandwidth,
2251                                HT_EXTCHNL_OFFSET Offset);
2252 extern void HTUpdateDefaultSetting(struct ieee80211_device *ieee);
2253 extern void HTConstructCapabilityElement(struct ieee80211_device *ieee,
2254                                          u8 *posHTCap, u8 *len, u8 isEncrypt);
2255 extern void HTConstructInfoElement(struct ieee80211_device *ieee,
2256                                    u8 *posHTInfo, u8 *len, u8 isEncrypt);
2257 extern void HTConstructRT2RTAggElement(struct ieee80211_device *ieee,
2258                                        u8 *posRT2RTAgg, u8 *len);
2259 extern void HTOnAssocRsp(struct ieee80211_device *ieee);
2260 extern void HTInitializeHTInfo(struct ieee80211_device *ieee);
2261 extern void HTInitializeBssDesc(PBSS_HT pBssHT);
2262 extern void HTResetSelfAndSavePeerSetting(struct ieee80211_device *ieee,
2263                                           struct ieee80211_network *pNetwork);
2264 extern void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee,
2265                                        struct ieee80211_network *pNetwork);
2266 extern u8 HTGetHighestMCSRate(struct ieee80211_device *ieee, u8 *pMCSRateSet,
2267                               u8 *pMCSFilter);
2268 extern u8 MCS_FILTER_ALL[];
2269 extern u16 MCS_DATA_RATE[2][2][77] ;
2270 extern u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame);
2271 extern void HTResetIOTSetting(PRT_HIGH_THROUGHPUT pHTInfo);
2272 extern bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee);
2273 extern u16 HTHalfMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate);
2274 extern u16 HTMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate);
2275 extern u16  TxCountToDataRate(struct ieee80211_device *ieee, u8 nDataRate);
2276 extern int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee,
2277                                  struct sk_buff *skb);
2278 extern int ieee80211_rx_ADDBARsp(struct ieee80211_device *ieee,
2279                                  struct sk_buff *skb);
2280 extern int ieee80211_rx_DELBA(struct ieee80211_device *ieee,
2281                               struct sk_buff *skb);
2282 extern void TsInitAddBA(struct ieee80211_device *ieee, PTX_TS_RECORD pTS,
2283                         u8 Policy, u8 bOverwritePending);
2284 extern void TsInitDelBA(struct ieee80211_device *ieee,
2285                         PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect);
2286 extern void BaSetupTimeOut(unsigned long data);
2287 extern void TxBaInactTimeout(unsigned long data);
2288 extern void RxBaInactTimeout(unsigned long data);
2289 extern void ResetBaEntry( PBA_RECORD pBA);
2290 extern bool GetTs(struct ieee80211_device *ieee, PTS_COMMON_INFO *ppTS,
2291                   u8 *Addr, u8 TID, TR_SELECT TxRxSelect,  /* Rx:1, Tx:0 */
2292                   bool bAddNewTs);
2293 extern void TSInitialize(struct ieee80211_device *ieee);
2294 extern void TsStartAddBaProcess(struct ieee80211_device *ieee,
2295                                 PTX_TS_RECORD pTxTS);
2296 extern void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr);
2297 extern void RemoveAllTS(struct ieee80211_device *ieee);
2298
2299 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
2300
2301 extern const long ieee80211_wlan_frequencies[];
2302
2303 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
2304 {
2305         ieee->scans++;
2306 }
2307
2308 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
2309 {
2310         return ieee->scans;
2311 }
2312
2313 static inline const char *escape_essid(const char *essid, u8 essid_len) {
2314         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2315         const char *s = essid;
2316         char *d = escaped;
2317
2318         if (ieee80211_is_empty_essid(essid, essid_len)) {
2319                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2320                 return escaped;
2321         }
2322
2323         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
2324         while (essid_len--) {
2325                 if (*s == '\0') {
2326                         *d++ = '\\';
2327                         *d++ = '0';
2328                         s++;
2329                 } else {
2330                         *d++ = *s++;
2331                 }
2332         }
2333         *d = '\0';
2334         return escaped;
2335 }
2336
2337 /* For the function is more related to hardware setting, it's better to use the
2338  * ieee handler to refer to it.
2339  */
2340 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
2341 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
2342 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
2343                 struct ieee80211_info_element *info_element,
2344                 u16 length,
2345                 struct ieee80211_network *network,
2346                 struct ieee80211_rx_stats *stats);
2347
2348 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
2349                                        struct ieee80211_rxb **prxbIndicateArray,
2350                                        u8 index);
2351 #define RT_ASOC_RETRY_LIMIT     5
2352 #endif /* IEEE80211_H */