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 #define aSifsTime (((priv->ieee80211->current_network.mode == IEEE_A) || \
  49                     (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
  50                     (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
  51                    ? 16 : 10)
  52
  53 #define MGMT_QUEUE_NUM 5
  54
  55 #define IEEE_CMD_SET_WPA_PARAM                  1
  56 #define IEEE_CMD_SET_WPA_IE                     2
  57 #define IEEE_CMD_SET_ENCRYPTION                 3
  58 #define IEEE_CMD_MLME                           4
  59
  60 #define IEEE_PARAM_WPA_ENABLED                  1
  61 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  62 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  63 #define IEEE_PARAM_PRIVACY_INVOKED              4
  64 #define IEEE_PARAM_AUTH_ALGS                    5
  65 #define IEEE_PARAM_IEEE_802_1X                  6
  66 //It should consistent with the driver_XXX.c
  67 //   David, 2006.9.26
  68 #define IEEE_PARAM_WPAX_SELECT                  7
  69 //Added for notify the encryption type selection
  70 //   David, 2006.9.26
  71 #define IEEE_PROTO_WPA                          1
  72 #define IEEE_PROTO_RSN                          2
  73 //Added for notify the encryption type selection
  74 //   David, 2006.9.26
  75 #define IEEE_WPAX_USEGROUP                      0
  76 #define IEEE_WPAX_WEP40                         1
  77 #define IEEE_WPAX_TKIP                          2
  78 #define IEEE_WPAX_WRAP                          3
  79 #define IEEE_WPAX_CCMP                          4
  80 #define IEEE_WPAX_WEP104                        5
  81
  82 #define IEEE_KEY_MGMT_IEEE8021X                 1
  83 #define IEEE_KEY_MGMT_PSK                       2
  84
  85 #define IEEE_MLME_STA_DEAUTH                    1
  86 #define IEEE_MLME_STA_DISASSOC                  2
  87
  88
  89 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  90 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  91 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
  92 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  93 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED        6
  94 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  95
  96
  97 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  98
  99 #define MAX_IE_LEN  0xff
 100
 101 typedef struct ieee_param {
 102         u32 cmd;
 103         u8 sta_addr[ETH_ALEN];
 104         union {
 105                 struct {
 106                         u8 name;
 107                         u32 value;
 108                 } wpa_param;
 109                 struct {
 110                         u32 len;
 111                         u8 reserved[32];
 112                         u8 data[0];
 113                 } wpa_ie;
 114                 struct{
 115                         int command;
 116                         int reason_code;
 117                 } mlme;
 118                 struct {
 119                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 120                         u8 set_tx;
 121                         u32 err;
 122                         u8 idx;
 123                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 124                         u16 key_len;
 125                         u8 key[0];
 126                 } crypt;
 127         } u;
 128 }ieee_param;
 129
 130 #define MSECS(t) msecs_to_jiffies(t)
 131 #define msleep_interruptible_rsl  msleep_interruptible
 132
 133 #define IEEE80211_DATA_LEN              2304
 134 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 135    6.2.1.1.2.
 136
 137    The figure in section 7.1.2 suggests a body size of up to 2312
 138    bytes is allowed, which is a bit confusing, I suspect this
 139    represents the 2304 bytes of real data, plus a possible 8 bytes of
 140    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 141 #define IEEE80211_1ADDR_LEN 10
 142 #define IEEE80211_2ADDR_LEN 16
 143 #define IEEE80211_3ADDR_LEN 24
 144 #define IEEE80211_4ADDR_LEN 30
 145 #define IEEE80211_FCS_LEN    4
 146 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 147 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 148 #define IEEE80211_MGMT_HDR_LEN 24
 149 #define IEEE80211_DATA_HDR3_LEN 24
 150 #define IEEE80211_DATA_HDR4_LEN 30
 151
 152 #define MIN_FRAG_THRESHOLD     256U
 153 #define MAX_FRAG_THRESHOLD     2346U
 154
 155
 156 /* Frame control field constants */
 157 #define IEEE80211_FCTL_FRAMETYPE        0x00fc
 158 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 159 #define IEEE80211_FCTL_WEP              0x4000
 160
 161 /* management */
 162 #define IEEE80211_STYPE_MANAGE_ACT      0x00D0
 163
 164 /* control */
 165 #define IEEE80211_STYPE_BLOCKACK   0x0094
 166
 167 /* QOS control */
 168 #define IEEE80211_QCTL_TID              0x000F
 169
 170 /* debug macros */
 171 #define CONFIG_IEEE80211_DEBUG
 172 #ifdef CONFIG_IEEE80211_DEBUG
 173 extern u32 ieee80211_debug_level;
 174 #define IEEE80211_DEBUG(level, fmt, args...) \
 175         do { \
 176                 if (ieee80211_debug_level & (level)) \
 177                         printk(KERN_DEBUG "ieee80211: " fmt, ## args); \
 178         } while (0)
 179 #define IEEE80211_DEBUG_DATA(level, data, datalen) \
 180         do { \
 181                 if ((ieee80211_debug_level & (level)) == (level)) { \
 182                         u8 *pdata = (u8 *)data; \
 183                         int i; \
 184                         printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
 185                         for (i = 0; i < (int)(datalen); i++) { \
 186                                 printk("%2x ", pdata[i]); \
 187                                 if ((i + 1) % 16 == 0) \
 188                                         printk("\n"); \
 189                         } \
 190                         printk("\n"); \
 191                 } \
 192         } while (0)
 193 #else
 194 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 195 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
 196 #endif  /* CONFIG_IEEE80211_DEBUG */
 197
 198 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 199 #define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], \
 200                    ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
 201
 202 /*
 203  * To use the debug system;
 204  *
 205  * If you are defining a new debug classification, simply add it to the #define
 206  * list here in the form of:
 207  *
 208  * #define IEEE80211_DL_xxxx VALUE
 209  *
 210  * shifting value to the left one bit from the previous entry.  xxxx should be
 211  * the name of the classification (for example, WEP)
 212  *
 213  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
 214  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
 215  * to send output to that classification.
 216  *
 217  * To add your debug level to the list of levels seen when you perform
 218  *
 219  * % cat /proc/net/ipw/debug_level
 220  *
 221  * you simply need to add your entry to the ipw_debug_levels array.
 222  *
 223  * If you do not see debug_level in /proc/net/ipw then you do not have
 224  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
 225  *
 226  */
 227
 228 #define IEEE80211_DL_INFO          (1<<0)
 229 #define IEEE80211_DL_WX            (1<<1)
 230 #define IEEE80211_DL_SCAN          (1<<2)
 231 #define IEEE80211_DL_STATE         (1<<3)
 232 #define IEEE80211_DL_MGMT          (1<<4)
 233 #define IEEE80211_DL_FRAG          (1<<5)
 234 #define IEEE80211_DL_EAP           (1<<6)
 235 #define IEEE80211_DL_DROP          (1<<7)
 236
 237 #define IEEE80211_DL_TX            (1<<8)
 238 #define IEEE80211_DL_RX            (1<<9)
 239
 240 #define IEEE80211_DL_HT            (1 << 10)
 241 #define IEEE80211_DL_BA            (1 << 11)
 242 #define IEEE80211_DL_TS            (1 << 12)
 243 #define IEEE80211_DL_QOS           (1 << 13)
 244 #define IEEE80211_DL_REORDER       (1 << 14)
 245 #define IEEE80211_DL_IOT           (1 << 15)
 246 #define IEEE80211_DL_IPS           (1 << 16)
 247 #define IEEE80211_DL_TRACE         (1 << 29)
 248 #define IEEE80211_DL_DATA          (1 << 30)
 249 #define IEEE80211_DL_ERR           (1 << 31)
 250
 251 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 252 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 253 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 254
 255 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 256 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 257 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 258 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 259 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 260 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 261 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 262 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 263 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 264 #define IEEE80211_DEBUG_QOS(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
 265
 266 #include <linux/netdevice.h>
 267 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 268
 269 #ifndef WIRELESS_SPY
 270 #define WIRELESS_SPY            // enable iwspy support
 271 #endif
 272 #include <net/iw_handler.h>     // new driver API
 273
 274 #ifndef ETH_P_PAE
 275 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 276 #endif /* ETH_P_PAE */
 277
 278 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 279
 280 #ifndef ETH_P_80211_RAW
 281 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 282 #endif
 283
 284 /* IEEE 802.11 defines */
 285
 286 #define P80211_OUI_LEN 3
 287
 288 struct ieee80211_snap_hdr {
 289
 290         u8    dsap;   /* always 0xAA */
 291         u8    ssap;   /* always 0xAA */
 292         u8    ctrl;   /* always 0x03 */
 293         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 294
 295 } __attribute__ ((packed));
 296
 297 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 298
 299 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
 300 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 301 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 302
 303 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
 304 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 305 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 306
 307 #define RTL_WLAN_AUTH_LEAP 2
 308
 309 #define WLAN_CAPABILITY_BSS (1<<0)
 310 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 311
 312 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 313 #define IEEE80211_STATMASK_RSSI (1<<1)
 314 #define IEEE80211_STATMASK_NOISE (1<<2)
 315 #define IEEE80211_STATMASK_RATE (1<<3)
 316 #define IEEE80211_STATMASK_WEMASK 0x7
 317
 318 #define IEEE80211_CCK_MODULATION    (1<<0)
 319 #define IEEE80211_OFDM_MODULATION   (1<<1)
 320
 321 #define IEEE80211_24GHZ_BAND     (1<<0)
 322 #define IEEE80211_52GHZ_BAND     (1<<1)
 323
 324 #define IEEE80211_CCK_RATE_LEN                  4
 325 #define IEEE80211_CCK_RATE_1MB                  0x02
 326 #define IEEE80211_CCK_RATE_2MB                  0x04
 327 #define IEEE80211_CCK_RATE_5MB                  0x0B
 328 #define IEEE80211_CCK_RATE_11MB                 0x16
 329 #define IEEE80211_OFDM_RATE_LEN                 8
 330 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 331 #define IEEE80211_OFDM_RATE_9MB                 0x12
 332 #define IEEE80211_OFDM_RATE_12MB                0x18
 333 #define IEEE80211_OFDM_RATE_18MB                0x24
 334 #define IEEE80211_OFDM_RATE_24MB                0x30
 335 #define IEEE80211_OFDM_RATE_36MB                0x48
 336 #define IEEE80211_OFDM_RATE_48MB                0x60
 337 #define IEEE80211_OFDM_RATE_54MB                0x6C
 338 #define IEEE80211_BASIC_RATE_MASK               0x80
 339
 340 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 341 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 342 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 343 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 344 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 345 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 346 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 347 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 348 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 349 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 350 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 351 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 352
 353 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 354 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 355         IEEE80211_CCK_RATE_2MB_MASK)
 356 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 357         IEEE80211_CCK_RATE_5MB_MASK | \
 358         IEEE80211_CCK_RATE_11MB_MASK)
 359
 360 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 361 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 362         IEEE80211_OFDM_RATE_12MB_MASK | \
 363         IEEE80211_OFDM_RATE_24MB_MASK)
 364 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 365         IEEE80211_OFDM_RATE_9MB_MASK  | \
 366         IEEE80211_OFDM_RATE_18MB_MASK | \
 367         IEEE80211_OFDM_RATE_36MB_MASK | \
 368         IEEE80211_OFDM_RATE_48MB_MASK | \
 369         IEEE80211_OFDM_RATE_54MB_MASK)
 370 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 371                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 372
 373 #define IEEE80211_NUM_OFDM_RATES            8
 374 #define IEEE80211_NUM_CCK_RATES             4
 375 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 376
 377
 378 /* this is stolen and modified from the madwifi driver*/
 379 #define IEEE80211_FC0_TYPE_MASK         0x0c
 380 #define IEEE80211_FC0_TYPE_DATA         0x08
 381 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 382 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 383
 384 #define IEEE80211_QOS_HAS_SEQ(fc) \
 385         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 386          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 387
 388 /* this is stolen from ipw2200 driver */
 389 #define IEEE_IBSS_MAC_HASH_SIZE 31
 390 struct ieee_ibss_seq {
 391         u8 mac[ETH_ALEN];
 392         u16 seq_num[17];
 393         u16 frag_num[17];
 394         unsigned long packet_time[17];
 395         struct list_head list;
 396 };
 397
 398 /* NOTE: This data is for statistical purposes; not all hardware provides this
 399  *       information for frames received.  Not setting these will not cause
 400  *       any adverse affects. */
 401 struct ieee80211_rx_stats {
 402         u32 mac_time[2];
 403         s8 rssi;
 404         u8 signal;
 405         u8 noise;
 406         u16 rate; /* in 100 kbps */
 407         u8 received_channel;
 408         u8 control;
 409         u8 mask;
 410         u8 freq;
 411         u16 len;
 412         u64 tsf;
 413         u32 beacon_time;
 414         u8 nic_type;
 415
 416         u16       Length;
 417         u8        SignalQuality;        /* in 0-100 index */
 418         /* real power in dBm for this packet, no beautification & aggregation */
 419         s32       RecvSignalPower;
 420         s8        RxPower;              /* in dBm Translate from PWdB */
 421         u8        SignalStrength;       /* in 0-100 index */
 422         u16       bHwError:1;
 423         u16       bCRC:1;
 424         u16       bICV:1;
 425         u16       bShortPreamble:1;
 426         u16       Antenna:1;            /* RTL8185 */
 427         u16       Decrypted:1;          /* RTL8185, RTL8187 */
 428         u16       Wakeup:1;             /* RTL8185 */
 429         u16       Reserved0:1;          /* RTL8185 */
 430         u8        AGC;
 431         u32       TimeStampLow;
 432         u32       TimeStampHigh;
 433         bool      bShift;
 434         bool      bIsQosData;
 435         u8        UserPriority;
 436
 437         /* < 11n or 8190 specific code */
 438         u8        RxDrvInfoSize;
 439         u8        RxBufShift;
 440         bool      bIsAMPDU;
 441         bool      bFirstMPDU;
 442         bool      bContainHTC;
 443         bool      RxIs40MHzPacket;
 444         u32       RxPWDBAll;
 445         u8        RxMIMOSignalStrength[4]; /* in 0~100 index */
 446         s8        RxMIMOSignalQuality[2];
 447         bool      bPacketMatchBSSID;
 448         bool      bIsCCK;
 449         bool      bPacketToSelf;
 450
 451         u8        *virtual_address;
 452         /* total packet length: must equal to sum of all FragLength */
 453         u16       packetlength;
 454         /* FragLength should equal to PacketLength in non-fragment case */
 455         u16       fraglength;
 456         u16       fragoffset;           /* data offset for this fragment */
 457         u16       ntotalfrag;
 458         bool      bisrxaggrsubframe;
 459         bool      bPacketBeacon;        /* for rssi */
 460         bool      bToSelfBA;            /* for rssi */
 461         char      cck_adc_pwdb[4];      /* for rx path selection */
 462         u16       Seq_Num;
 463         u8        nTotalAggPkt;         /* number of aggregated packets */
 464 };
 465
 466 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 467  * three fragmented frames. This define can be increased to support more
 468  * concurrent frames, but it should be noted that each entry can consume about
 469  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 470 #define IEEE80211_FRAG_CACHE_LEN 4
 471
 472 struct ieee80211_frag_entry {
 473         unsigned long first_frag_time;
 474         unsigned int seq;
 475         unsigned int last_frag;
 476         struct sk_buff *skb;
 477         u8 src_addr[ETH_ALEN];
 478         u8 dst_addr[ETH_ALEN];
 479 };
 480
 481 struct ieee80211_stats {
 482         unsigned int tx_unicast_frames;
 483         unsigned int tx_multicast_frames;
 484         unsigned int tx_fragments;
 485         unsigned int tx_unicast_octets;
 486         unsigned int tx_multicast_octets;
 487         unsigned int tx_deferred_transmissions;
 488         unsigned int tx_single_retry_frames;
 489         unsigned int tx_multiple_retry_frames;
 490         unsigned int tx_retry_limit_exceeded;
 491         unsigned int tx_discards;
 492         unsigned int rx_unicast_frames;
 493         unsigned int rx_multicast_frames;
 494         unsigned int rx_fragments;
 495         unsigned int rx_unicast_octets;
 496         unsigned int rx_multicast_octets;
 497         unsigned int rx_fcs_errors;
 498         unsigned int rx_discards_no_buffer;
 499         unsigned int tx_discards_wrong_sa;
 500         unsigned int rx_discards_undecryptable;
 501         unsigned int rx_message_in_msg_fragments;
 502         unsigned int rx_message_in_bad_msg_fragments;
 503 };
 504
 505 struct ieee80211_device;
 506
 507 #include "ieee80211_crypt.h"
 508
 509 #define SEC_KEY_1         (1<<0)
 510 #define SEC_KEY_2         (1<<1)
 511 #define SEC_KEY_3         (1<<2)
 512 #define SEC_KEY_4         (1<<3)
 513 #define SEC_ACTIVE_KEY    (1<<4)
 514 #define SEC_AUTH_MODE     (1<<5)
 515 #define SEC_UNICAST_GROUP (1<<6)
 516 #define SEC_LEVEL         (1<<7)
 517 #define SEC_ENABLED       (1<<8)
 518
 519 #define SEC_LEVEL_0      0 /* None */
 520 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 521 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 522 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 523 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 524
 525 #define WEP_KEYS                4
 526 #define WEP_KEY_LEN             13
 527 #define SCM_KEY_LEN             32
 528
 529 struct ieee80211_security {
 530         u16 active_key:2,
 531             enabled:1,
 532             auth_mode:2,
 533             auth_algo:4,
 534             unicast_uses_group:1,
 535             encrypt:1;
 536         u8 key_sizes[WEP_KEYS];
 537         u8 keys[WEP_KEYS][SCM_KEY_LEN];
 538         u8 level;
 539         u16 flags;
 540 } __attribute__ ((packed));
 541
 542
 543 /*
 544  802.11 data frame from AP
 545       ,-------------------------------------------------------------------.
 546 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 547       |------|------|---------|---------|---------|------|---------|------|
 548 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 549       |      | tion | (BSSID) |         |         | ence |  data   |      |
 550       `-------------------------------------------------------------------'
 551 Total: 28-2340 bytes
 552 */
 553
 554 /* Management Frame Information Element Types */
 555 enum {
 556         MFIE_TYPE_SSID = 0,
 557         MFIE_TYPE_RATES = 1,
 558         MFIE_TYPE_FH_SET = 2,
 559         MFIE_TYPE_DS_SET = 3,
 560         MFIE_TYPE_CF_SET = 4,
 561         MFIE_TYPE_TIM = 5,
 562         MFIE_TYPE_IBSS_SET = 6,
 563         MFIE_TYPE_COUNTRY = 7,
 564         MFIE_TYPE_HOP_PARAMS = 8,
 565         MFIE_TYPE_HOP_TABLE = 9,
 566         MFIE_TYPE_REQUEST = 10,
 567         MFIE_TYPE_CHALLENGE = 16,
 568         MFIE_TYPE_POWER_CONSTRAINT = 32,
 569         MFIE_TYPE_POWER_CAPABILITY = 33,
 570         MFIE_TYPE_TPC_REQUEST = 34,
 571         MFIE_TYPE_TPC_REPORT = 35,
 572         MFIE_TYPE_SUPP_CHANNELS = 36,
 573         MFIE_TYPE_CSA = 37,
 574         MFIE_TYPE_MEASURE_REQUEST = 38,
 575         MFIE_TYPE_MEASURE_REPORT = 39,
 576         MFIE_TYPE_QUIET = 40,
 577         MFIE_TYPE_IBSS_DFS = 41,
 578         MFIE_TYPE_ERP = 42,
 579         MFIE_TYPE_RSN = 48,
 580         MFIE_TYPE_RATES_EX = 50,
 581         MFIE_TYPE_HT_CAP= 45,
 582          MFIE_TYPE_HT_INFO= 61,
 583          MFIE_TYPE_AIRONET=133,
 584         MFIE_TYPE_GENERIC = 221,
 585         MFIE_TYPE_QOS_PARAMETER = 222,
 586 };
 587
 588 /* Minimal header; can be used for passing 802.11 frames with sufficient
 589  * information to determine what type of underlying data type is actually
 590  * stored in the data. */
 591 struct rtl_ieee80211_hdr {
 592         __le16 frame_ctl;
 593         __le16 duration_id;
 594         u8 payload[0];
 595 } __attribute__ ((packed));
 596
 597 struct ieee80211_hdr_1addr {
 598         __le16 frame_ctl;
 599         __le16 duration_id;
 600         u8 addr1[ETH_ALEN];
 601         u8 payload[0];
 602 } __attribute__ ((packed));
 603
 604 struct ieee80211_hdr_2addr {
 605         __le16 frame_ctl;
 606         __le16 duration_id;
 607         u8 addr1[ETH_ALEN];
 608         u8 addr2[ETH_ALEN];
 609         u8 payload[0];
 610 } __attribute__ ((packed));
 611
 612 struct ieee80211_hdr_4addr {
 613         __le16 frame_ctl;
 614         __le16 duration_id;
 615         u8 addr1[ETH_ALEN];
 616         u8 addr2[ETH_ALEN];
 617         u8 addr3[ETH_ALEN];
 618         __le16 seq_ctl;
 619         u8 addr4[ETH_ALEN];
 620         u8 payload[0];
 621 } __attribute__ ((packed));
 622
 623 struct ieee80211_hdr_3addrqos {
 624         __le16 frame_ctl;
 625         __le16 duration_id;
 626         u8 addr1[ETH_ALEN];
 627         u8 addr2[ETH_ALEN];
 628         u8 addr3[ETH_ALEN];
 629         __le16 seq_ctl;
 630         u8 payload[0];
 631         __le16 qos_ctl;
 632 } __attribute__ ((packed));
 633
 634 struct ieee80211_hdr_4addrqos {
 635         __le16 frame_ctl;
 636         __le16 duration_id;
 637         u8 addr1[ETH_ALEN];
 638         u8 addr2[ETH_ALEN];
 639         u8 addr3[ETH_ALEN];
 640         __le16 seq_ctl;
 641         u8 addr4[ETH_ALEN];
 642         u8 payload[0];
 643         __le16 qos_ctl;
 644 } __attribute__ ((packed));
 645
 646 struct ieee80211_info_element {
 647         u8 id;
 648         u8 len;
 649         u8 data[0];
 650 } __attribute__ ((packed));
 651
 652 struct ieee80211_authentication {
 653         struct ieee80211_hdr_3addr header;
 654         __le16 algorithm;
 655         __le16 transaction;
 656         __le16 status;
 657         /* challenge */
 658         struct ieee80211_info_element info_element[0];
 659 } __attribute__ ((packed));
 660
 661 struct ieee80211_disassoc {
 662         struct ieee80211_hdr_3addr header;
 663         __le16 reason;
 664 } __attribute__ ((packed));
 665
 666 struct ieee80211_probe_request {
 667         struct ieee80211_hdr_3addr header;
 668         /* SSID, supported rates */
 669         struct ieee80211_info_element info_element[0];
 670 } __attribute__ ((packed));
 671
 672 struct ieee80211_probe_response {
 673         struct ieee80211_hdr_3addr header;
 674         u32 time_stamp[2];
 675         __le16 beacon_interval;
 676         __le16 capability;
 677         /* SSID, supported rates, FH params, DS params,
 678          * CF params, IBSS params, TIM (if beacon), RSN */
 679         struct ieee80211_info_element info_element[0];
 680 } __attribute__ ((packed));
 681
 682 struct ieee80211_assoc_request_frame {
 683         struct ieee80211_hdr_3addr header;
 684         __le16 capability;
 685         __le16 listen_interval;
 686         /* SSID, supported rates, RSN */
 687         struct ieee80211_info_element info_element[0];
 688 } __attribute__ ((packed));
 689
 690 struct ieee80211_reassoc_request_frame {
 691         struct ieee80211_hdr_3addr header;
 692         __le16 capability;
 693         __le16 listen_interval;
 694         u8 current_ap[ETH_ALEN];
 695         /* SSID, supported rates, RSN */
 696         struct ieee80211_info_element info_element[0];
 697 } __attribute__ ((packed));
 698
 699 struct ieee80211_assoc_response_frame {
 700         struct ieee80211_hdr_3addr header;
 701         __le16 capability;
 702         __le16 status;
 703         __le16 aid;
 704         struct ieee80211_info_element info_element[0]; /* supported rates */
 705 } __attribute__ ((packed));
 706
 707 struct ieee80211_txb {
 708         u8 nr_frags;
 709         u8 encrypted;
 710         u8 queue_index;
 711         u8 rts_included;
 712         u16 reserved;
 713         __le16 frag_size;
 714         __le16 payload_size;
 715         struct sk_buff *fragments[0];
 716 };
 717
 718 #define MAX_SUBFRAME_COUNT                64
 719 struct ieee80211_rxb {
 720         u8 nr_subframes;
 721         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 722         u8 dst[ETH_ALEN];
 723         u8 src[ETH_ALEN];
 724 }__attribute__((packed));
 725
 726 /* SWEEP TABLE ENTRIES NUMBER */
 727 #define MAX_SWEEP_TAB_ENTRIES             42
 728 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 729 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 730  * only use 8, and then use extended rates for the remaining supported
 731  * rates.  Other APs, however, stick all of their supported rates on the
 732  * main rates information element... */
 733 #define MAX_RATES_LENGTH                  ((u8)12)
 734 #define MAX_RATES_EX_LENGTH               ((u8)16)
 735 #define MAX_NETWORK_COUNT                  128
 736
 737 #define MAX_CHANNEL_NUMBER                 161
 738
 739 #define IEEE80211_SOFTMAC_SCAN_TIME        100 /* (HZ / 2) */
 740 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 741
 742 #define CRC_LENGTH                 4U
 743
 744 #define MAX_WPA_IE_LEN 64
 745
 746 #define NETWORK_EMPTY_ESSID     (1 << 0)
 747 #define NETWORK_HAS_OFDM        (1 << 1)
 748 #define NETWORK_HAS_CCK         (1 << 2)
 749
 750 /* QoS structure */
 751 #define NETWORK_HAS_QOS_PARAMETERS      (1 << 3)
 752 #define NETWORK_HAS_QOS_INFORMATION     (1 << 4)
 753 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
 754                                          NETWORK_HAS_QOS_INFORMATION)
 755
 756 #define NETWORK_HAS_ERP_VALUE           (1 << 10)
 757
 758 #define QOS_QUEUE_NUM                   4
 759 #define QOS_OUI_LEN                     3
 760 #define QOS_OUI_TYPE                    2
 761 #define QOS_ELEMENT_ID                  221
 762 #define QOS_OUI_INFO_SUB_TYPE           0
 763 #define QOS_OUI_PARAM_SUB_TYPE          1
 764 #define QOS_VERSION_1                   1
 765 #define QOS_AIFSN_MIN_VALUE             2
 766
 767 struct ieee80211_qos_information_element {
 768         u8 elementID;
 769         u8 length;
 770         u8 qui[QOS_OUI_LEN];
 771         u8 qui_type;
 772         u8 qui_subtype;
 773         u8 version;
 774         u8 ac_info;
 775 } __attribute__ ((packed));
 776
 777 struct ieee80211_qos_ac_parameter {
 778         u8 aci_aifsn;
 779         u8 ecw_min_max;
 780         __le16 tx_op_limit;
 781 } __attribute__ ((packed));
 782
 783 struct ieee80211_qos_parameter_info {
 784         struct ieee80211_qos_information_element info_element;
 785         u8 reserved;
 786         struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 787 } __attribute__ ((packed));
 788
 789 struct ieee80211_qos_parameters {
 790         __le16 cw_min[QOS_QUEUE_NUM];
 791         __le16 cw_max[QOS_QUEUE_NUM];
 792         u8 aifs[QOS_QUEUE_NUM];
 793         u8 flag[QOS_QUEUE_NUM];
 794         __le16 tx_op_limit[QOS_QUEUE_NUM];
 795 } __attribute__ ((packed));
 796
 797 struct ieee80211_qos_data {
 798         struct ieee80211_qos_parameters parameters;
 799         int active;
 800         int supported;
 801         u8 param_count;
 802         u8 old_param_count;
 803 };
 804
 805 struct ieee80211_tim_parameters {
 806         u8 tim_count;
 807         u8 tim_period;
 808 } __attribute__ ((packed));
 809
 810 struct ieee80211_wmm_ac_param {
 811         u8 ac_aci_acm_aifsn;
 812         u8 ac_ecwmin_ecwmax;
 813         u16 ac_txop_limit;
 814 };
 815
 816 struct ieee80211_wmm_ts_info {
 817         u8 ac_dir_tid;
 818         u8 ac_up_psb;
 819         u8 reserved;
 820 } __attribute__ ((packed));
 821
 822 struct ieee80211_wmm_tspec_elem {
 823         struct ieee80211_wmm_ts_info ts_info;
 824         u16 norm_msdu_size;
 825         u16 max_msdu_size;
 826         u32 min_serv_inter;
 827         u32 max_serv_inter;
 828         u32 inact_inter;
 829         u32 suspen_inter;
 830         u32 serv_start_time;
 831         u32 min_data_rate;
 832         u32 mean_data_rate;
 833         u32 peak_data_rate;
 834         u32 max_burst_size;
 835         u32 delay_bound;
 836         u32 min_phy_rate;
 837         u16 surp_band_allow;
 838         u16 medium_time;
 839 }__attribute__((packed));
 840
 841 enum eap_type {
 842         EAP_PACKET = 0,
 843         EAPOL_START,
 844         EAPOL_LOGOFF,
 845         EAPOL_KEY,
 846         EAPOL_ENCAP_ASF_ALERT
 847 };
 848
 849 static const char *eap_types[] = {
 850         [EAP_PACKET]            = "EAP-Packet",
 851         [EAPOL_START]           = "EAPOL-Start",
 852         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 853         [EAPOL_KEY]             = "EAPOL-Key",
 854         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 855 };
 856
 857 static inline const char *eap_get_type(int type)
 858 {
 859         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 860 }
 861
 862 struct eapol {
 863         u8 snap[6];
 864         u16 ethertype;
 865         u8 version;
 866         u8 type;
 867         u16 length;
 868 } __attribute__ ((packed));
 869
 870 struct ieee80211_softmac_stats {
 871         unsigned int rx_ass_ok;
 872         unsigned int rx_ass_err;
 873         unsigned int rx_probe_rq;
 874         unsigned int tx_probe_rs;
 875         unsigned int tx_beacons;
 876         unsigned int rx_auth_rq;
 877         unsigned int rx_auth_rs_ok;
 878         unsigned int rx_auth_rs_err;
 879         unsigned int tx_auth_rq;
 880         unsigned int no_auth_rs;
 881         unsigned int no_ass_rs;
 882         unsigned int tx_ass_rq;
 883         unsigned int rx_ass_rq;
 884         unsigned int tx_probe_rq;
 885         unsigned int reassoc;
 886         unsigned int swtxstop;
 887         unsigned int swtxawake;
 888         unsigned char CurrentShowTxate;
 889         unsigned char last_packet_rate;
 890         unsigned int txretrycount;
 891 };
 892
 893 #define BEACON_PROBE_SSID_ID_POSITION 12
 894
 895 struct ieee80211_info_element_hdr {
 896         u8 id;
 897         u8 len;
 898 } __attribute__ ((packed));
 899
 900 /*
 901  * These are the data types that can make up management packets
 902  *
 903         u16 auth_algorithm;
 904         u16 auth_sequence;
 905         u16 beacon_interval;
 906         u16 capability;
 907         u8 current_ap[ETH_ALEN];
 908         u16 listen_interval;
 909         struct {
 910                 u16 association_id:14, reserved:2;
 911         } __attribute__ ((packed));
 912         u32 time_stamp[2];
 913         u16 reason;
 914         u16 status;
 915 */
 916
 917 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 918 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
 919
 920 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 921 #define MAX_SP_Len  (WMM_all_frame << 4)
 922 #define IEEE80211_QOS_TID 0x0f
 923 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 924
 925 #define IEEE80211_DTIM_MBCAST 4
 926 #define IEEE80211_DTIM_UCAST 2
 927 #define IEEE80211_DTIM_VALID 1
 928 #define IEEE80211_DTIM_INVALID 0
 929
 930 #define IEEE80211_PS_DISABLED 0
 931 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 932 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 933
 934 //added by David for QoS 2006/6/30
 935 //#define WMM_Hang_8187
 936 #ifdef WMM_Hang_8187
 937 #undef WMM_Hang_8187
 938 #endif
 939
 940 #define WME_AC_BK   0x00
 941 #define WME_AC_BE   0x01
 942 #define WME_AC_VI   0x02
 943 #define WME_AC_VO   0x03
 944 #define WME_ACI_MASK 0x03
 945 #define WME_AIFSN_MASK 0x03
 946 #define WME_AC_PRAM_LEN 16
 947
 948 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 949 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 950 #define UP2AC(up) (                \
 951         ((up) < 1) ? WME_AC_BE : \
 952         ((up) < 3) ? WME_AC_BK : \
 953         ((up) < 4) ? WME_AC_BE : \
 954         ((up) < 6) ? WME_AC_VI : \
 955         WME_AC_VO)
 956
 957 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 958 #define AC2UP(_ac)      (       \
 959         ((_ac) == WME_AC_VO) ? 6 : \
 960         ((_ac) == WME_AC_VI) ? 5 : \
 961         ((_ac) == WME_AC_BK) ? 1 : \
 962         0)
 963
 964 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 965
 966 /* length of two Ethernet address plus ether type */
 967 #define ETHERNET_HEADER_SIZE    14
 968
 969 struct  ether_header {
 970         u8 ether_dhost[ETHER_ADDR_LEN];
 971         u8 ether_shost[ETHER_ADDR_LEN];
 972         u16 ether_type;
 973 } __attribute__((packed));
 974
 975 #ifndef ETHERTYPE_PAE
 976 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 977 #endif
 978 #ifndef ETHERTYPE_IP
 979 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 980 #endif
 981
 982 struct ieee80211_network {
 983         /* These entries are used to identify a unique network */
 984         u8 bssid[ETH_ALEN];
 985         u8 channel;
 986         /* Ensure null-terminated for any debug msgs */
 987         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 988         u8 ssid_len;
 989
 990         struct ieee80211_qos_data qos_data;
 991
 992         /* for LEAP */
 993         bool    bWithAironetIE;
 994         bool    bCkipSupported;
 995         bool    bCcxRmEnable;
 996         u16     CcxRmState[2];
 997
 998         /* CCXv4 S59, MBSSID. */
 999         bool    bMBssidValid;
1000         u8      MBssidMask;
1001         u8      MBssid[6];
1002
1003         /* CCX 2 S38, WLAN Device Version Number element. */
1004         bool    bWithCcxVerNum;
1005         u8      BssCcxVerNumber;
1006
1007         /* These are network statistics */
1008         struct ieee80211_rx_stats stats;
1009         u16 capability;
1010         u8  rates[MAX_RATES_LENGTH];
1011         u8  rates_len;
1012         u8  rates_ex[MAX_RATES_EX_LENGTH];
1013         u8  rates_ex_len;
1014         unsigned long last_scanned;
1015         u8  mode;
1016         u32 flags;
1017         u32 last_associate;
1018         u32 time_stamp[2];
1019         u16 beacon_interval;
1020         u16 listen_interval;
1021         u16 atim_window;
1022         u8  erp_value;
1023         u8  wpa_ie[MAX_WPA_IE_LEN];
1024         size_t wpa_ie_len;
1025         u8  rsn_ie[MAX_WPA_IE_LEN];
1026         size_t rsn_ie_len;
1027
1028         struct ieee80211_tim_parameters tim;
1029         u8  dtim_period;
1030         u8  dtim_data;
1031         u32 last_dtim_sta_time[2];
1032
1033         //appeded for QoS
1034         u8 wmm_info;
1035         struct ieee80211_wmm_ac_param wmm_param[4];
1036         u8 QoS_Enable;
1037         u8 Turbo_Enable;//enable turbo mode, added by thomas
1038         u16 CountryIeLen;
1039         u8 CountryIeBuf[MAX_IE_LEN];
1040
1041         /* HT Related */
1042         BSS_HT  bssht;
1043         /* Added to handle broadcom AP management frame CCK rate. */
1044         bool broadcom_cap_exist;
1045         bool realtek_cap_exit;
1046         bool marvell_cap_exist;
1047         bool ralink_cap_exist;
1048         bool atheros_cap_exist;
1049         bool cisco_cap_exist;
1050         bool unknown_cap_exist;
1051         bool berp_info_valid;
1052         bool buseprotection;
1053
1054         struct list_head list;  /* put at the end of the structure */
1055 };
1056
1057 enum ieee80211_state {
1058
1059         /* the card is not linked at all */
1060         IEEE80211_NOLINK = 0,
1061
1062         /* IEEE80211_ASSOCIATING* are for BSS client mode
1063          * the driver shall not perform RX filtering unless
1064          * the state is LINKED.
1065          * The driver shall just check for the state LINKED and
1066          * defaults to NOLINK for ALL the other states (including
1067          * LINKED_SCANNING)
1068          */
1069
1070         /* the association procedure will start (wq scheduling)*/
1071         IEEE80211_ASSOCIATING,
1072         IEEE80211_ASSOCIATING_RETRY,
1073
1074         /* the association procedure is sending AUTH request*/
1075         IEEE80211_ASSOCIATING_AUTHENTICATING,
1076
1077         /* the association procedure has successfully authentcated
1078          * and is sending association request
1079          */
1080         IEEE80211_ASSOCIATING_AUTHENTICATED,
1081
1082         /* the link is ok. the card associated to a BSS or linked
1083          * to a ibss cell or acting as an AP and creating the bss
1084          */
1085         IEEE80211_LINKED,
1086
1087         /* same as LINKED, but the driver shall apply RX filter
1088          * rules as we are in NO_LINK mode. As the card is still
1089          * logically linked, but it is doing a syncro site survey
1090          * then it will be back to LINKED state.
1091          */
1092         IEEE80211_LINKED_SCANNING,
1093
1094 };
1095
1096 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1097 #define DEFAULT_FTS 2346
1098
1099 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1100 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1101
1102 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1103 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1104 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1105                                   IEEE80211_24GHZ_MIN_CHANNEL + 1)
1106
1107 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1108 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1109 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1110                                   IEEE80211_52GHZ_MIN_CHANNEL + 1)
1111
1112 typedef struct tx_pending_t{
1113         int frag;
1114         struct ieee80211_txb *txb;
1115 }tx_pending_t;
1116
1117 enum {
1118         COUNTRY_CODE_FCC = 0,
1119         COUNTRY_CODE_IC = 1,
1120         COUNTRY_CODE_ETSI = 2,
1121         COUNTRY_CODE_SPAIN = 3,
1122         COUNTRY_CODE_FRANCE = 4,
1123         COUNTRY_CODE_MKK = 5,
1124         COUNTRY_CODE_MKK1 = 6,
1125         COUNTRY_CODE_ISRAEL = 7,
1126         COUNTRY_CODE_TELEC,
1127         COUNTRY_CODE_MIC,
1128         COUNTRY_CODE_GLOBAL_DOMAIN
1129 };
1130
1131 #include "ieee80211_r8192s.h"
1132
1133 struct ieee80211_device {
1134         struct net_device *dev;
1135         struct ieee80211_security sec;
1136
1137         /* hw security related */
1138         u8 hwsec_active;
1139         bool is_silent_reset;
1140         bool is_roaming;
1141         bool ieee_up;
1142         bool bSupportRemoteWakeUp;
1143         RT_PS_MODE dot11PowerSaveMode;
1144         bool actscanning;
1145         bool be_scan_inprogress;
1146         bool beinretry;
1147         RT_RF_POWER_STATE eRFPowerState;
1148         u32 RfOffReason;
1149         bool is_set_key;
1150
1151         /* 11n HT below */
1152         PRT_HIGH_THROUGHPUT pHTInfo;
1153         spinlock_t bw_spinlock;
1154
1155         spinlock_t reorder_spinlock;
1156         /*
1157          * for HT operation rate set, we use this one for HT data rate to
1158          * seperate different descriptors the way fill this is the same as
1159          * in the IE
1160          */
1161         u8      Regdot11HTOperationalRateSet[16];       /* use RATR format */
1162         u8      dot11HTOperationalRateSet[16];          /* use RATR format */
1163         u8      RegHTSuppRateSet[16];
1164         u8      HTCurrentOperaRate;
1165         u8      HTHighestOperaRate;
1166         /* for rate operation mode to firmware */
1167         u8      bTxDisableRateFallBack;
1168         u8      bTxUseDriverAssingedRate;
1169         atomic_t        atm_chnlop;
1170         atomic_t        atm_swbw;
1171
1172         /* 802.11e and WMM Traffic Stream Info (TX) */
1173         struct list_head        Tx_TS_Admit_List;
1174         struct list_head        Tx_TS_Pending_List;
1175         struct list_head        Tx_TS_Unused_List;
1176         TX_TS_RECORD            TxTsRecord[TOTAL_TS_NUM];
1177         /* 802.11e and WMM Traffic Stream Info (RX) */
1178         struct list_head        Rx_TS_Admit_List;
1179         struct list_head        Rx_TS_Pending_List;
1180         struct list_head        Rx_TS_Unused_List;
1181         RX_TS_RECORD            RxTsRecord[TOTAL_TS_NUM];
1182
1183         RX_REORDER_ENTRY        RxReorderEntry[128];
1184         struct list_head        RxReorder_Unused_List;
1185
1186         /* Qos related */
1187         /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1188         u8 ForcedPriority;
1189
1190         /* Bookkeeping structures */
1191         struct net_device_stats stats;
1192         struct ieee80211_stats ieee_stats;
1193         struct ieee80211_softmac_stats softmac_stats;
1194
1195         /* Probe / Beacon management */
1196         struct list_head network_free_list;
1197         struct list_head network_list;
1198         struct ieee80211_network *networks;
1199         int scans;
1200         int scan_age;
1201
1202         int iw_mode; /* operating mode (IW_MODE_*) */
1203         struct iw_spy_data spy_data;
1204
1205         spinlock_t lock;
1206         spinlock_t wpax_suitlist_lock;
1207
1208         int tx_headroom; /* Set to size of any additional room needed at front
1209                           * of allocated Tx SKBs */
1210         u32 config;
1211
1212         /* WEP and other encryption related settings at the device level */
1213         int open_wep; /* Set to 1 to allow unencrypted frames */
1214         int auth_mode;
1215         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1216                                  * WEP key changes */
1217
1218         /* If the host performs {en,de}cryption, then set to 1 */
1219         int host_encrypt;
1220         int host_encrypt_msdu;
1221         int host_decrypt;
1222         /* host performs multicast decryption */
1223         int host_mc_decrypt;
1224
1225         /* host should strip IV and ICV from protected frames */
1226         /* meaningful only when hardware decryption is being used */
1227         int host_strip_iv_icv;
1228
1229         int host_open_frag;
1230         int host_build_iv;
1231         int ieee802_1x; /* is IEEE 802.1X used */
1232
1233         /* WPA data */
1234         bool bHalfWirelessN24GMode;
1235         int wpa_enabled;
1236         int drop_unencrypted;
1237         int tkip_countermeasures;
1238         int privacy_invoked;
1239         size_t wpa_ie_len;
1240         u8 *wpa_ie;
1241         u8 ap_mac_addr[6];
1242         u16 pairwise_key_type;
1243         u16 group_key_type;
1244         struct list_head crypt_deinit_list;
1245         struct ieee80211_crypt_data *crypt[WEP_KEYS];
1246         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1247         struct timer_list crypt_deinit_timer;
1248         int crypt_quiesced;
1249
1250         int bcrx_sta_key; /* use individual keys to override default keys even
1251                            * with RX of broad/multicast frames */
1252
1253         /* Fragmentation structures */
1254         // each streaming contain a entry
1255         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1256         unsigned int frag_next_idx[17];
1257         u16 fts; /* Fragmentation Threshold */
1258 #define DEFAULT_RTS_THRESHOLD 2346U
1259 #define MIN_RTS_THRESHOLD 1
1260 #define MAX_RTS_THRESHOLD 2346U
1261         u16 rts; /* RTS threshold */
1262
1263         /* Association info */
1264         u8 bssid[ETH_ALEN];
1265
1266         /* This stores infos for the current network.
1267          * Either the network we are associated in INFRASTRUCTURE
1268          * or the network that we are creating in MASTER mode.
1269          * ad-hoc is a mixture ;-).
1270          * Note that in infrastructure mode, even when not associated,
1271          * fields bssid and essid may be valid (if wpa_set and essid_set
1272          * are true) as thy carry the value set by the user via iwconfig
1273          */
1274         struct ieee80211_network current_network;
1275
1276         enum ieee80211_state state;
1277
1278         int short_slot;
1279         int reg_mode;
1280         int mode;       /* A, B, G */
1281         int modulation; /* CCK, OFDM */
1282         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
1283         int abg_true;   /* ABG flag              */
1284
1285         /* used for forcing the ibss workqueue to terminate
1286          * without wait for the syncro scan to terminate
1287          */
1288         short sync_scan_hurryup;
1289         u16 scan_watch_dog;
1290         int perfect_rssi;
1291         int worst_rssi;
1292
1293         u16 prev_seq_ctl;       /* used to drop duplicate frames */
1294
1295         /*
1296          * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1297          * a basic channel plan depending of the PHY type
1298          */
1299         void *pDot11dInfo;
1300         bool bGlobalDomain;
1301         int rate;       /* current rate */
1302         int basic_rate;
1303         //FIXME: pleace callback, see if redundant with softmac_features
1304         short active_scan;
1305
1306         /* this contains flags for selectively enable softmac support */
1307         u16 softmac_features;
1308
1309         /* if the sequence control field is not filled by HW */
1310         u16 seq_ctrl[5];
1311
1312         /* association procedure transaction sequence number */
1313         u16 associate_seq;
1314
1315         /* AID for RTXed association responses */
1316         u16 assoc_id;
1317
1318         /* power save mode related*/
1319         u8 ack_tx_to_ieee;
1320         short ps;
1321         short sta_sleep;
1322         int ps_timeout;
1323         int ps_period;
1324         struct tasklet_struct ps_task;
1325         u32 ps_th;
1326         u32 ps_tl;
1327
1328         short raw_tx;
1329         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1330         short queue_stop;
1331         short scanning;
1332         short proto_started;
1333
1334         struct semaphore wx_sem;
1335         struct semaphore scan_sem;
1336
1337         spinlock_t mgmt_tx_lock;
1338         spinlock_t beacon_lock;
1339
1340         short beacon_txing;
1341
1342         short wap_set;
1343         short ssid_set;
1344
1345         u8  wpax_type_set;    //{added by David, 2006.9.28}
1346         u32 wpax_type_notify; //{added by David, 2006.9.26}
1347
1348         /* QoS related flag */
1349         char init_wmmparam_flag;
1350         /* set on initialization */
1351         u8  qos_support;
1352
1353         /* for discarding duplicated packets in IBSS */
1354         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1355
1356         /* for discarding duplicated packets in BSS */
1357         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1358         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1359         unsigned long last_packet_time[17];
1360
1361         /* for PS mode */
1362         unsigned long last_rx_ps_time;
1363
1364         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1365         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1366         int mgmt_queue_head;
1367         int mgmt_queue_tail;
1368
1369 /* rtl819x start */
1370         u8 AsocRetryCount;
1371         unsigned int hw_header;
1372         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1373         struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1374         struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1375         u32 sta_edca_param[4];
1376         bool aggregation;
1377         /* Enable/Disable Rx immediate BA capability. */
1378         bool enable_rx_imm_BA;
1379         bool bibsscoordinator;
1380
1381         /* Dynamic Tx power for near/far range enable/disable. */
1382         bool bdynamic_txpower_enable;
1383
1384         bool bCTSToSelfEnable;
1385         u8 CTSToSelfTH;
1386
1387         u32     fsync_time_interval;
1388         u32     fsync_rate_bitmap;
1389         u8      fsync_rssi_threshold;
1390         bool    bfsync_enable;
1391
1392         u8      fsync_multiple_timeinterval;    /* value * FsyncTimeInterval */
1393         u32     fsync_firstdiff_ratethreshold;  /* low threshold */
1394         u32     fsync_seconddiff_ratethreshold; /* decrease threshold */
1395         Fsync_State     fsync_state;
1396         bool            bis_any_nonbepkts;
1397         /* 20Mhz 40Mhz AutoSwitch Threshold */
1398         struct bandwidth_autoswitch bandwidth_auto_switch;
1399         /* for txpower tracking */
1400         bool FwRWRF;
1401
1402         /* for AP roaming */
1403         struct rt_link_detect LinkDetectInfo;
1404
1405         struct rt_power_save_control PowerSaveControl;
1406 /* rtl819x end */
1407
1408         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1409         struct  tx_pending_t tx_pending;
1410
1411         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1412         struct timer_list associate_timer;
1413
1414         /* used if IEEE_SOFTMAC_BEACONS is set */
1415         struct timer_list beacon_timer;
1416         struct work_struct associate_complete_wq;
1417         struct work_struct associate_procedure_wq;
1418         struct delayed_work softmac_scan_wq;
1419         struct delayed_work associate_retry_wq;
1420         struct delayed_work start_ibss_wq;
1421         struct delayed_work hw_wakeup_wq;
1422         struct delayed_work hw_sleep_wq;
1423         struct delayed_work link_change_wq;
1424         struct work_struct wx_sync_scan_wq;
1425         struct workqueue_struct *wq;
1426
1427         /* Callback functions */
1428         void (*set_security)(struct net_device *dev,
1429                              struct ieee80211_security *sec);
1430
1431         /* Used to TX data frame by using txb structs.
1432          * this is not used if in the softmac_features
1433          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1434          */
1435         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1436                                struct net_device *dev);
1437
1438         int (*reset_port)(struct net_device *dev);
1439         int (*is_queue_full)(struct net_device *dev, int pri);
1440
1441         int (*handle_management)(struct net_device *dev,
1442                                  struct ieee80211_network *network, u16 type);
1443         int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1444
1445         /* Softmac-generated frames (mamagement) are TXed via this
1446          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1447          * not set. As some cards may have different HW queues that
1448          * one might want to use for data and management frames
1449          * the option to have two callbacks might be useful.
1450          * This fucntion can't sleep.
1451          */
1452         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1453                                struct net_device *dev);
1454
1455         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1456          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1457          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1458          * then also management frames are sent via this callback.
1459          * This function can't sleep.
1460          */
1461         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1462                                struct net_device *dev,int rate);
1463
1464         /* stops the HW queue for DATA frames. Useful to avoid
1465          * waste time to TX data frame when we are reassociating
1466          * This function can sleep.
1467          */
1468         void (*data_hard_stop)(struct net_device *dev);
1469
1470         /* OK this is complementar to data_poll_hard_stop */
1471         void (*data_hard_resume)(struct net_device *dev);
1472
1473         /* ask to the driver to retune the radio .
1474          * This function can sleep. the driver should ensure
1475          * the radio has been swithced before return.
1476          */
1477         void (*set_chan)(struct net_device *dev,short ch);
1478
1479         /* These are not used if the ieee stack takes care of
1480          * scanning (IEEE_SOFTMAC_SCAN feature set).
1481          * In this case only the set_chan is used.
1482          *
1483          * The syncro version is similar to the start_scan but
1484          * does not return until all channels has been scanned.
1485          * this is called in user context and should sleep,
1486          * it is called in a work_queue when swithcing to ad-hoc mode
1487          * or in behalf of iwlist scan when the card is associated
1488          * and root user ask for a scan.
1489          * the fucntion stop_scan should stop both the syncro and
1490          * background scanning and can sleep.
1491          * The fucntion start_scan should initiate the background
1492          * scanning and can't sleep.
1493          */
1494         void (*scan_syncro)(struct net_device *dev);
1495         void (*start_scan)(struct net_device *dev);
1496         void (*stop_scan)(struct net_device *dev);
1497
1498         /* indicate the driver that the link state is changed
1499          * for example it may indicate the card is associated now.
1500          * Driver might be interested in this to apply RX filter
1501          * rules or simply light the LINK led
1502          */
1503         void (*link_change)(struct net_device *dev);
1504
1505         /* these two function indicates to the HW when to start
1506          * and stop to send beacons. This is used when the
1507          * IEEE_SOFTMAC_BEACONS is not set. For now the
1508          * stop_send_bacons is NOT guaranteed to be called only
1509          * after start_send_beacons.
1510          */
1511         void (*start_send_beacons) (struct net_device *dev);
1512         void (*stop_send_beacons) (struct net_device *dev);
1513
1514         /* power save mode related */
1515         void (*sta_wake_up) (struct net_device *dev);
1516         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1517         short (*ps_is_queue_empty) (struct net_device *dev);
1518
1519         int (*handle_beacon)(struct net_device *dev,
1520                              struct ieee80211_probe_response *beacon,
1521                              struct ieee80211_network *network);
1522         int (*handle_assoc_response)(struct net_device *dev,
1523                                 struct ieee80211_assoc_response_frame *resp,
1524                                 struct ieee80211_network *network);
1525
1526         /* check whether Tx hw resouce available */
1527         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1528         /* HT related */
1529         void (*SetBWModeHandler)(struct net_device *dev,
1530                                  HT_CHANNEL_WIDTH Bandwidth,
1531                                  HT_EXTCHNL_OFFSET Offset);
1532         bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1533         void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1534         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1535         bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1536         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1537         bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1538         void (*LedControlHandler)(struct net_device *dev,
1539                                   LED_CTL_MODE LedAction);
1540         /* This must be the last item so that it points to the data
1541          * allocated beyond this structure by alloc_ieee80211 */
1542         u8 priv[0];
1543 };
1544
1545 #define IEEE_A            (1<<0)
1546 #define IEEE_B            (1<<1)
1547 #define IEEE_G            (1<<2)
1548 #define IEEE_N_24G                (1<<4)
1549 #define IEEE_N_5G                 (1<<5)
1550 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1551
1552 /* Generate a 802.11 header */
1553
1554 /* Uses the channel change callback directly
1555  * instead of [start/stop] scan callbacks
1556  */
1557 #define IEEE_SOFTMAC_SCAN (1<<2)
1558
1559 /* Perform authentication and association handshake */
1560 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1561
1562 /* Generate probe requests */
1563 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1564
1565 /* Generate respones to probe requests */
1566 #define IEEE_SOFTMAC_PROBERS (1<<5)
1567
1568 /* The ieee802.11 stack will manages the netif queue
1569  * wake/stop for the driver, taking care of 802.11
1570  * fragmentation. See softmac.c for details. */
1571 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1572
1573 /* Uses only the softmac_data_hard_start_xmit
1574  * even for TX management frames.
1575  */
1576 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1577
1578 /* Generate beacons.  The stack will enqueue beacons
1579  * to the card
1580  */
1581 #define IEEE_SOFTMAC_BEACONS (1<<6)
1582
1583 static inline void *ieee80211_priv(struct net_device *dev)
1584 {
1585         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1586 }
1587
1588 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1589 {
1590         /* Single white space is for Linksys APs */
1591         if (essid_len == 1 && essid[0] == ' ')
1592                 return 1;
1593
1594         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1595         while (essid_len) {
1596                 essid_len--;
1597                 if (essid[essid_len] != '\0')
1598                         return 0;
1599         }
1600
1601         return 1;
1602 }
1603
1604 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1605 {
1606         /*
1607          * It is possible for both access points and our device to support
1608          * combinations of modes, so as long as there is one valid combination
1609          * of ap/device supported modes, then return success
1610          *
1611          */
1612         if ((mode & IEEE_A) &&
1613             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1614             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1615                 return 1;
1616
1617         if ((mode & IEEE_G) &&
1618             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1619             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1620                 return 1;
1621
1622         if ((mode & IEEE_B) &&
1623             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1624             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1625                 return 1;
1626
1627         return 0;
1628 }
1629
1630 extern inline int ieee80211_get_hdrlen(u16 fc)
1631 {
1632         int hdrlen = IEEE80211_3ADDR_LEN;
1633
1634         switch (WLAN_FC_GET_TYPE(fc)) {
1635         case IEEE80211_FTYPE_DATA:
1636                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1637                         hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1638                 if(IEEE80211_QOS_HAS_SEQ(fc))
1639                         hdrlen += 2; /* QOS ctrl*/
1640                 break;
1641         case IEEE80211_FTYPE_CTL:
1642                 switch (WLAN_FC_GET_STYPE(fc)) {
1643                 case IEEE80211_STYPE_CTS:
1644                 case IEEE80211_STYPE_ACK:
1645                         hdrlen = IEEE80211_1ADDR_LEN;
1646                         break;
1647                 default:
1648                         hdrlen = IEEE80211_2ADDR_LEN;
1649                         break;
1650                 }
1651                 break;
1652         }
1653
1654         return hdrlen;
1655 }
1656
1657 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1658 {
1659         switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1660         case IEEE80211_1ADDR_LEN:
1661                 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1662         case IEEE80211_2ADDR_LEN:
1663                 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1664         case IEEE80211_3ADDR_LEN:
1665                 return (void *)hdr+sizeof(struct ieee80211_hdr_3addr);
1666         case IEEE80211_4ADDR_LEN:
1667                 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1668         }
1669         return NULL;
1670 }
1671
1672 static inline int ieee80211_is_ofdm_rate(u8 rate)
1673 {
1674         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1675         case IEEE80211_OFDM_RATE_6MB:
1676         case IEEE80211_OFDM_RATE_9MB:
1677         case IEEE80211_OFDM_RATE_12MB:
1678         case IEEE80211_OFDM_RATE_18MB:
1679         case IEEE80211_OFDM_RATE_24MB:
1680         case IEEE80211_OFDM_RATE_36MB:
1681         case IEEE80211_OFDM_RATE_48MB:
1682         case IEEE80211_OFDM_RATE_54MB:
1683                 return 1;
1684         }
1685         return 0;
1686 }
1687
1688 static inline int ieee80211_is_cck_rate(u8 rate)
1689 {
1690         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1691         case IEEE80211_CCK_RATE_1MB:
1692         case IEEE80211_CCK_RATE_2MB:
1693         case IEEE80211_CCK_RATE_5MB:
1694         case IEEE80211_CCK_RATE_11MB:
1695                 return 1;
1696         }
1697         return 0;
1698 }
1699
1700
1701 /* ieee80211.c */
1702 extern void free_ieee80211(struct net_device *dev);
1703 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1704
1705 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1706
1707 /* ieee80211_tx.c */
1708
1709 extern int ieee80211_encrypt_fragment(
1710         struct ieee80211_device *ieee,
1711         struct sk_buff *frag,
1712         int hdr_len);
1713
1714 extern int rtl8192_ieee80211_xmit(struct sk_buff *skb,
1715                           struct net_device *dev);
1716 extern void ieee80211_txb_free(struct ieee80211_txb *);
1717
1718
1719 /* ieee80211_rx.c */
1720 extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1721                         struct ieee80211_rx_stats *rx_stats);
1722 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1723                              struct ieee80211_hdr_4addr *header,
1724                              struct ieee80211_rx_stats *stats);
1725
1726 /* ieee80211_wx.c */
1727 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1728                                  struct iw_request_info *info,
1729                                  union iwreq_data *wrqu, char *key);
1730 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1731                                    struct iw_request_info *info,
1732                                    union iwreq_data *wrqu, char *key);
1733 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1734                                    struct iw_request_info *info,
1735                                    union iwreq_data *wrqu, char *key);
1736 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1737                             struct iw_request_info *info,
1738                             union iwreq_data* wrqu, char *extra);
1739 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1740                                struct iw_request_info *info,
1741                                struct iw_param *data, char *extra);
1742 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1743                                struct iw_request_info *info,
1744                                union iwreq_data *wrqu, char *extra);
1745 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1746
1747 /* ieee80211_softmac.c */
1748 extern short ieee80211_is_54g(struct ieee80211_network net);
1749 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1750 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1751                         struct ieee80211_rx_stats *rx_stats, u16 type,
1752                         u16 stype);
1753 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1754
1755 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1756 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1757
1758 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1759 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1760 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1761 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1762 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1763 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1764 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1765 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1766 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1767 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1768 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1769 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1770 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1771 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1772 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1773 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1774 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1775 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1776 extern void ieee80211_wake_queue(struct ieee80211_device *ieee);
1777 extern void ieee80211_stop_queue(struct ieee80211_device *ieee);
1778 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1779 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1780 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1781 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1782 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1783 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1784
1785 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1786
1787 /* ieee80211_crypt_ccmp&tkip&wep.c */
1788 extern void ieee80211_tkip_null(void);
1789 extern void ieee80211_wep_null(void);
1790 extern void ieee80211_ccmp_null(void);
1791
1792 /* ieee80211_softmac_wx.c */
1793
1794 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1795                             struct iw_request_info *info,
1796                             union iwreq_data *wrqu, char *ext);
1797
1798 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1799                          struct iw_request_info *info,
1800                          union iwreq_data *awrq,
1801                          char *extra);
1802
1803 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1804
1805 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1806                              struct iw_request_info *info,
1807                              union iwreq_data *wrqu, char *extra);
1808
1809 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1810                              struct iw_request_info *info,
1811                              union iwreq_data *wrqu, char *extra);
1812
1813 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1814                              union iwreq_data *wrqu, char *b);
1815
1816 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1817                              union iwreq_data *wrqu, char *b);
1818
1819 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1820                               struct iw_request_info *a,
1821                               union iwreq_data *wrqu, char *extra);
1822
1823 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1824                              union iwreq_data *wrqu, char *b);
1825
1826 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1827                              union iwreq_data *wrqu, char *b);
1828
1829 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1830                              union iwreq_data *wrqu, char *b);
1831
1832 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1833
1834 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1835                                struct iw_request_info *info,
1836                                union iwreq_data *wrqu, char *extra);
1837
1838 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1839                              struct iw_request_info *info,
1840                              union iwreq_data *wrqu, char *extra);
1841
1842 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1843                                  struct iw_request_info *info,
1844                                  union iwreq_data *wrqu, char *extra);
1845
1846 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1847                                  struct iw_request_info *info,
1848                                  union iwreq_data *wrqu, char *extra);
1849
1850 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1851                              struct iw_request_info *info,
1852                              union iwreq_data *wrqu, char *extra);
1853
1854 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1855                              struct iw_request_info *info,
1856                              union iwreq_data *wrqu, char *extra);
1857
1858 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1859
1860 extern const long ieee80211_wlan_frequencies[];
1861
1862 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1863 {
1864         ieee->scans++;
1865 }
1866
1867 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1868 {
1869         return ieee->scans;
1870 }
1871
1872 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1873         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1874         const char *s = essid;
1875         char *d = escaped;
1876
1877         if (ieee80211_is_empty_essid(essid, essid_len)) {
1878                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1879                 return escaped;
1880         }
1881
1882         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1883         while (essid_len--) {
1884                 if (*s == '\0') {
1885                         *d++ = '\\';
1886                         *d++ = '0';
1887                         s++;
1888                 } else {
1889                         *d++ = *s++;
1890                 }
1891         }
1892         *d = '\0';
1893         return escaped;
1894 }
1895
1896 /* For the function is more related to hardware setting, it's better to use the
1897  * ieee handler to refer to it.
1898  */
1899 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1900 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1901 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1902                 struct ieee80211_info_element *info_element,
1903                 u16 length,
1904                 struct ieee80211_network *network,
1905                 struct ieee80211_rx_stats *stats);
1906
1907 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1908                                        struct ieee80211_rxb **prxbIndicateArray,
1909                                        u8 index);
1910 #define RT_ASOC_RETRY_LIMIT     5
1911 #endif /* IEEE80211_H */