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_3addr {
 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 payload[0];
 620 } __attribute__ ((packed));
 621
 622 struct ieee80211_hdr_4addr {
 623         __le16 frame_ctl;
 624         __le16 duration_id;
 625         u8 addr1[ETH_ALEN];
 626         u8 addr2[ETH_ALEN];
 627         u8 addr3[ETH_ALEN];
 628         __le16 seq_ctl;
 629         u8 addr4[ETH_ALEN];
 630         u8 payload[0];
 631 } __attribute__ ((packed));
 632
 633 struct ieee80211_hdr_3addrqos {
 634         __le16 frame_ctl;
 635         __le16 duration_id;
 636         u8 addr1[ETH_ALEN];
 637         u8 addr2[ETH_ALEN];
 638         u8 addr3[ETH_ALEN];
 639         __le16 seq_ctl;
 640         u8 payload[0];
 641         __le16 qos_ctl;
 642 } __attribute__ ((packed));
 643
 644 struct ieee80211_hdr_4addrqos {
 645         __le16 frame_ctl;
 646         __le16 duration_id;
 647         u8 addr1[ETH_ALEN];
 648         u8 addr2[ETH_ALEN];
 649         u8 addr3[ETH_ALEN];
 650         __le16 seq_ctl;
 651         u8 addr4[ETH_ALEN];
 652         u8 payload[0];
 653         __le16 qos_ctl;
 654 } __attribute__ ((packed));
 655
 656 struct ieee80211_info_element {
 657         u8 id;
 658         u8 len;
 659         u8 data[0];
 660 } __attribute__ ((packed));
 661
 662 struct ieee80211_authentication {
 663         struct ieee80211_hdr_3addr header;
 664         __le16 algorithm;
 665         __le16 transaction;
 666         __le16 status;
 667         /* challenge */
 668         struct ieee80211_info_element info_element[0];
 669 } __attribute__ ((packed));
 670
 671 struct ieee80211_disassoc {
 672         struct ieee80211_hdr_3addr header;
 673         __le16 reason;
 674 } __attribute__ ((packed));
 675
 676 struct ieee80211_probe_request {
 677         struct ieee80211_hdr_3addr header;
 678         /* SSID, supported rates */
 679         struct ieee80211_info_element info_element[0];
 680 } __attribute__ ((packed));
 681
 682 struct ieee80211_probe_response {
 683         struct ieee80211_hdr_3addr header;
 684         u32 time_stamp[2];
 685         __le16 beacon_interval;
 686         __le16 capability;
 687         /* SSID, supported rates, FH params, DS params,
 688          * CF params, IBSS params, TIM (if beacon), RSN */
 689         struct ieee80211_info_element info_element[0];
 690 } __attribute__ ((packed));
 691
 692 struct ieee80211_assoc_request_frame {
 693         struct ieee80211_hdr_3addr header;
 694         __le16 capability;
 695         __le16 listen_interval;
 696         /* SSID, supported rates, RSN */
 697         struct ieee80211_info_element info_element[0];
 698 } __attribute__ ((packed));
 699
 700 struct ieee80211_reassoc_request_frame {
 701         struct ieee80211_hdr_3addr header;
 702         __le16 capability;
 703         __le16 listen_interval;
 704         u8 current_ap[ETH_ALEN];
 705         /* SSID, supported rates, RSN */
 706         struct ieee80211_info_element info_element[0];
 707 } __attribute__ ((packed));
 708
 709 struct ieee80211_assoc_response_frame {
 710         struct ieee80211_hdr_3addr header;
 711         __le16 capability;
 712         __le16 status;
 713         __le16 aid;
 714         struct ieee80211_info_element info_element[0]; /* supported rates */
 715 } __attribute__ ((packed));
 716
 717 struct ieee80211_txb {
 718         u8 nr_frags;
 719         u8 encrypted;
 720         u8 queue_index;
 721         u8 rts_included;
 722         u16 reserved;
 723         __le16 frag_size;
 724         __le16 payload_size;
 725         struct sk_buff *fragments[0];
 726 };
 727
 728 #define MAX_SUBFRAME_COUNT                64
 729 struct ieee80211_rxb {
 730         u8 nr_subframes;
 731         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 732         u8 dst[ETH_ALEN];
 733         u8 src[ETH_ALEN];
 734 }__attribute__((packed));
 735
 736 /* SWEEP TABLE ENTRIES NUMBER */
 737 #define MAX_SWEEP_TAB_ENTRIES             42
 738 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 739 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 740  * only use 8, and then use extended rates for the remaining supported
 741  * rates.  Other APs, however, stick all of their supported rates on the
 742  * main rates information element... */
 743 #define MAX_RATES_LENGTH                  ((u8)12)
 744 #define MAX_RATES_EX_LENGTH               ((u8)16)
 745 #define MAX_NETWORK_COUNT                  128
 746
 747 #define MAX_CHANNEL_NUMBER                 161
 748
 749 #define IEEE80211_SOFTMAC_SCAN_TIME        100 /* (HZ / 2) */
 750 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 751
 752 #define CRC_LENGTH                 4U
 753
 754 #define MAX_WPA_IE_LEN 64
 755
 756 #define NETWORK_EMPTY_ESSID     (1 << 0)
 757 #define NETWORK_HAS_OFDM        (1 << 1)
 758 #define NETWORK_HAS_CCK         (1 << 2)
 759
 760 /* QoS structure */
 761 #define NETWORK_HAS_QOS_PARAMETERS      (1 << 3)
 762 #define NETWORK_HAS_QOS_INFORMATION     (1 << 4)
 763 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
 764                                          NETWORK_HAS_QOS_INFORMATION)
 765
 766 #define NETWORK_HAS_ERP_VALUE           (1 << 10)
 767
 768 #define QOS_QUEUE_NUM                   4
 769 #define QOS_OUI_LEN                     3
 770 #define QOS_OUI_TYPE                    2
 771 #define QOS_ELEMENT_ID                  221
 772 #define QOS_OUI_INFO_SUB_TYPE           0
 773 #define QOS_OUI_PARAM_SUB_TYPE          1
 774 #define QOS_VERSION_1                   1
 775 #define QOS_AIFSN_MIN_VALUE             2
 776
 777 struct ieee80211_qos_information_element {
 778         u8 elementID;
 779         u8 length;
 780         u8 qui[QOS_OUI_LEN];
 781         u8 qui_type;
 782         u8 qui_subtype;
 783         u8 version;
 784         u8 ac_info;
 785 } __attribute__ ((packed));
 786
 787 struct ieee80211_qos_ac_parameter {
 788         u8 aci_aifsn;
 789         u8 ecw_min_max;
 790         __le16 tx_op_limit;
 791 } __attribute__ ((packed));
 792
 793 struct ieee80211_qos_parameter_info {
 794         struct ieee80211_qos_information_element info_element;
 795         u8 reserved;
 796         struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 797 } __attribute__ ((packed));
 798
 799 struct ieee80211_qos_parameters {
 800         __le16 cw_min[QOS_QUEUE_NUM];
 801         __le16 cw_max[QOS_QUEUE_NUM];
 802         u8 aifs[QOS_QUEUE_NUM];
 803         u8 flag[QOS_QUEUE_NUM];
 804         __le16 tx_op_limit[QOS_QUEUE_NUM];
 805 } __attribute__ ((packed));
 806
 807 struct ieee80211_qos_data {
 808         struct ieee80211_qos_parameters parameters;
 809         int active;
 810         int supported;
 811         u8 param_count;
 812         u8 old_param_count;
 813 };
 814
 815 struct ieee80211_tim_parameters {
 816         u8 tim_count;
 817         u8 tim_period;
 818 } __attribute__ ((packed));
 819
 820 struct ieee80211_wmm_ac_param {
 821         u8 ac_aci_acm_aifsn;
 822         u8 ac_ecwmin_ecwmax;
 823         u16 ac_txop_limit;
 824 };
 825
 826 struct ieee80211_wmm_ts_info {
 827         u8 ac_dir_tid;
 828         u8 ac_up_psb;
 829         u8 reserved;
 830 } __attribute__ ((packed));
 831
 832 struct ieee80211_wmm_tspec_elem {
 833         struct ieee80211_wmm_ts_info ts_info;
 834         u16 norm_msdu_size;
 835         u16 max_msdu_size;
 836         u32 min_serv_inter;
 837         u32 max_serv_inter;
 838         u32 inact_inter;
 839         u32 suspen_inter;
 840         u32 serv_start_time;
 841         u32 min_data_rate;
 842         u32 mean_data_rate;
 843         u32 peak_data_rate;
 844         u32 max_burst_size;
 845         u32 delay_bound;
 846         u32 min_phy_rate;
 847         u16 surp_band_allow;
 848         u16 medium_time;
 849 }__attribute__((packed));
 850
 851 enum eap_type {
 852         EAP_PACKET = 0,
 853         EAPOL_START,
 854         EAPOL_LOGOFF,
 855         EAPOL_KEY,
 856         EAPOL_ENCAP_ASF_ALERT
 857 };
 858
 859 static const char *eap_types[] = {
 860         [EAP_PACKET]            = "EAP-Packet",
 861         [EAPOL_START]           = "EAPOL-Start",
 862         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 863         [EAPOL_KEY]             = "EAPOL-Key",
 864         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 865 };
 866
 867 static inline const char *eap_get_type(int type)
 868 {
 869         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 870 }
 871
 872 struct eapol {
 873         u8 snap[6];
 874         u16 ethertype;
 875         u8 version;
 876         u8 type;
 877         u16 length;
 878 } __attribute__ ((packed));
 879
 880 struct ieee80211_softmac_stats {
 881         unsigned int rx_ass_ok;
 882         unsigned int rx_ass_err;
 883         unsigned int rx_probe_rq;
 884         unsigned int tx_probe_rs;
 885         unsigned int tx_beacons;
 886         unsigned int rx_auth_rq;
 887         unsigned int rx_auth_rs_ok;
 888         unsigned int rx_auth_rs_err;
 889         unsigned int tx_auth_rq;
 890         unsigned int no_auth_rs;
 891         unsigned int no_ass_rs;
 892         unsigned int tx_ass_rq;
 893         unsigned int rx_ass_rq;
 894         unsigned int tx_probe_rq;
 895         unsigned int reassoc;
 896         unsigned int swtxstop;
 897         unsigned int swtxawake;
 898         unsigned char CurrentShowTxate;
 899         unsigned char last_packet_rate;
 900         unsigned int txretrycount;
 901 };
 902
 903 #define BEACON_PROBE_SSID_ID_POSITION 12
 904
 905 struct ieee80211_info_element_hdr {
 906         u8 id;
 907         u8 len;
 908 } __attribute__ ((packed));
 909
 910 /*
 911  * These are the data types that can make up management packets
 912  *
 913         u16 auth_algorithm;
 914         u16 auth_sequence;
 915         u16 beacon_interval;
 916         u16 capability;
 917         u8 current_ap[ETH_ALEN];
 918         u16 listen_interval;
 919         struct {
 920                 u16 association_id:14, reserved:2;
 921         } __attribute__ ((packed));
 922         u32 time_stamp[2];
 923         u16 reason;
 924         u16 status;
 925 */
 926
 927 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 928 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
 929
 930 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 931 #define MAX_SP_Len  (WMM_all_frame << 4)
 932 #define IEEE80211_QOS_TID 0x0f
 933 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 934
 935 #define IEEE80211_DTIM_MBCAST 4
 936 #define IEEE80211_DTIM_UCAST 2
 937 #define IEEE80211_DTIM_VALID 1
 938 #define IEEE80211_DTIM_INVALID 0
 939
 940 #define IEEE80211_PS_DISABLED 0
 941 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 942 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 943
 944 //added by David for QoS 2006/6/30
 945 //#define WMM_Hang_8187
 946 #ifdef WMM_Hang_8187
 947 #undef WMM_Hang_8187
 948 #endif
 949
 950 #define WME_AC_BK   0x00
 951 #define WME_AC_BE   0x01
 952 #define WME_AC_VI   0x02
 953 #define WME_AC_VO   0x03
 954 #define WME_ACI_MASK 0x03
 955 #define WME_AIFSN_MASK 0x03
 956 #define WME_AC_PRAM_LEN 16
 957
 958 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 959 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 960 #define UP2AC(up) (                \
 961         ((up) < 1) ? WME_AC_BE : \
 962         ((up) < 3) ? WME_AC_BK : \
 963         ((up) < 4) ? WME_AC_BE : \
 964         ((up) < 6) ? WME_AC_VI : \
 965         WME_AC_VO)
 966
 967 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 968 #define AC2UP(_ac)      (       \
 969         ((_ac) == WME_AC_VO) ? 6 : \
 970         ((_ac) == WME_AC_VI) ? 5 : \
 971         ((_ac) == WME_AC_BK) ? 1 : \
 972         0)
 973
 974 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 975
 976 /* length of two Ethernet address plus ether type */
 977 #define ETHERNET_HEADER_SIZE    14
 978
 979 struct  ether_header {
 980         u8 ether_dhost[ETHER_ADDR_LEN];
 981         u8 ether_shost[ETHER_ADDR_LEN];
 982         u16 ether_type;
 983 } __attribute__((packed));
 984
 985 #ifndef ETHERTYPE_PAE
 986 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 987 #endif
 988 #ifndef ETHERTYPE_IP
 989 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 990 #endif
 991
 992 struct ieee80211_network {
 993         /* These entries are used to identify a unique network */
 994         u8 bssid[ETH_ALEN];
 995         u8 channel;
 996         /* Ensure null-terminated for any debug msgs */
 997         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 998         u8 ssid_len;
 999
1000         struct ieee80211_qos_data qos_data;
1001
1002         /* for LEAP */
1003         bool    bWithAironetIE;
1004         bool    bCkipSupported;
1005         bool    bCcxRmEnable;
1006         u16     CcxRmState[2];
1007
1008         /* CCXv4 S59, MBSSID. */
1009         bool    bMBssidValid;
1010         u8      MBssidMask;
1011         u8      MBssid[6];
1012
1013         /* CCX 2 S38, WLAN Device Version Number element. */
1014         bool    bWithCcxVerNum;
1015         u8      BssCcxVerNumber;
1016
1017         /* These are network statistics */
1018         struct ieee80211_rx_stats stats;
1019         u16 capability;
1020         u8  rates[MAX_RATES_LENGTH];
1021         u8  rates_len;
1022         u8  rates_ex[MAX_RATES_EX_LENGTH];
1023         u8  rates_ex_len;
1024         unsigned long last_scanned;
1025         u8  mode;
1026         u32 flags;
1027         u32 last_associate;
1028         u32 time_stamp[2];
1029         u16 beacon_interval;
1030         u16 listen_interval;
1031         u16 atim_window;
1032         u8  erp_value;
1033         u8  wpa_ie[MAX_WPA_IE_LEN];
1034         size_t wpa_ie_len;
1035         u8  rsn_ie[MAX_WPA_IE_LEN];
1036         size_t rsn_ie_len;
1037
1038         struct ieee80211_tim_parameters tim;
1039         u8  dtim_period;
1040         u8  dtim_data;
1041         u32 last_dtim_sta_time[2];
1042
1043         //appeded for QoS
1044         u8 wmm_info;
1045         struct ieee80211_wmm_ac_param wmm_param[4];
1046         u8 QoS_Enable;
1047         u8 Turbo_Enable;//enable turbo mode, added by thomas
1048         u16 CountryIeLen;
1049         u8 CountryIeBuf[MAX_IE_LEN];
1050
1051         /* HT Related */
1052         BSS_HT  bssht;
1053         /* Added to handle broadcom AP management frame CCK rate. */
1054         bool broadcom_cap_exist;
1055         bool realtek_cap_exit;
1056         bool marvell_cap_exist;
1057         bool ralink_cap_exist;
1058         bool atheros_cap_exist;
1059         bool cisco_cap_exist;
1060         bool unknown_cap_exist;
1061         bool berp_info_valid;
1062         bool buseprotection;
1063
1064         struct list_head list;  /* put at the end of the structure */
1065 };
1066
1067 enum ieee80211_state {
1068
1069         /* the card is not linked at all */
1070         IEEE80211_NOLINK = 0,
1071
1072         /* IEEE80211_ASSOCIATING* are for BSS client mode
1073          * the driver shall not perform RX filtering unless
1074          * the state is LINKED.
1075          * The driver shall just check for the state LINKED and
1076          * defaults to NOLINK for ALL the other states (including
1077          * LINKED_SCANNING)
1078          */
1079
1080         /* the association procedure will start (wq scheduling)*/
1081         IEEE80211_ASSOCIATING,
1082         IEEE80211_ASSOCIATING_RETRY,
1083
1084         /* the association procedure is sending AUTH request*/
1085         IEEE80211_ASSOCIATING_AUTHENTICATING,
1086
1087         /* the association procedure has successfully authentcated
1088          * and is sending association request
1089          */
1090         IEEE80211_ASSOCIATING_AUTHENTICATED,
1091
1092         /* the link is ok. the card associated to a BSS or linked
1093          * to a ibss cell or acting as an AP and creating the bss
1094          */
1095         IEEE80211_LINKED,
1096
1097         /* same as LINKED, but the driver shall apply RX filter
1098          * rules as we are in NO_LINK mode. As the card is still
1099          * logically linked, but it is doing a syncro site survey
1100          * then it will be back to LINKED state.
1101          */
1102         IEEE80211_LINKED_SCANNING,
1103
1104 };
1105
1106 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1107 #define DEFAULT_FTS 2346
1108
1109 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1110 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1111
1112 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1113 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1114 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1115                                   IEEE80211_24GHZ_MIN_CHANNEL + 1)
1116
1117 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1118 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1119 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1120                                   IEEE80211_52GHZ_MIN_CHANNEL + 1)
1121
1122 typedef struct tx_pending_t{
1123         int frag;
1124         struct ieee80211_txb *txb;
1125 }tx_pending_t;
1126
1127 enum {
1128         COUNTRY_CODE_FCC = 0,
1129         COUNTRY_CODE_IC = 1,
1130         COUNTRY_CODE_ETSI = 2,
1131         COUNTRY_CODE_SPAIN = 3,
1132         COUNTRY_CODE_FRANCE = 4,
1133         COUNTRY_CODE_MKK = 5,
1134         COUNTRY_CODE_MKK1 = 6,
1135         COUNTRY_CODE_ISRAEL = 7,
1136         COUNTRY_CODE_TELEC,
1137         COUNTRY_CODE_MIC,
1138         COUNTRY_CODE_GLOBAL_DOMAIN
1139 };
1140
1141 #include "ieee80211_r8192s.h"
1142
1143 struct ieee80211_device {
1144         struct net_device *dev;
1145         struct ieee80211_security sec;
1146
1147         /* hw security related */
1148         u8 hwsec_active;
1149         bool is_silent_reset;
1150         bool is_roaming;
1151         bool ieee_up;
1152         bool bSupportRemoteWakeUp;
1153         RT_PS_MODE dot11PowerSaveMode;
1154         bool actscanning;
1155         bool be_scan_inprogress;
1156         bool beinretry;
1157         RT_RF_POWER_STATE eRFPowerState;
1158         u32 RfOffReason;
1159         bool is_set_key;
1160
1161         /* 11n HT below */
1162         PRT_HIGH_THROUGHPUT pHTInfo;
1163         spinlock_t bw_spinlock;
1164
1165         spinlock_t reorder_spinlock;
1166         /*
1167          * for HT operation rate set, we use this one for HT data rate to
1168          * seperate different descriptors the way fill this is the same as
1169          * in the IE
1170          */
1171         u8      Regdot11HTOperationalRateSet[16];       /* use RATR format */
1172         u8      dot11HTOperationalRateSet[16];          /* use RATR format */
1173         u8      RegHTSuppRateSet[16];
1174         u8      HTCurrentOperaRate;
1175         u8      HTHighestOperaRate;
1176         /* for rate operation mode to firmware */
1177         u8      bTxDisableRateFallBack;
1178         u8      bTxUseDriverAssingedRate;
1179         atomic_t        atm_chnlop;
1180         atomic_t        atm_swbw;
1181
1182         /* 802.11e and WMM Traffic Stream Info (TX) */
1183         struct list_head        Tx_TS_Admit_List;
1184         struct list_head        Tx_TS_Pending_List;
1185         struct list_head        Tx_TS_Unused_List;
1186         TX_TS_RECORD            TxTsRecord[TOTAL_TS_NUM];
1187         /* 802.11e and WMM Traffic Stream Info (RX) */
1188         struct list_head        Rx_TS_Admit_List;
1189         struct list_head        Rx_TS_Pending_List;
1190         struct list_head        Rx_TS_Unused_List;
1191         RX_TS_RECORD            RxTsRecord[TOTAL_TS_NUM];
1192
1193         RX_REORDER_ENTRY        RxReorderEntry[128];
1194         struct list_head        RxReorder_Unused_List;
1195
1196         /* Qos related */
1197         /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1198         u8 ForcedPriority;
1199
1200         /* Bookkeeping structures */
1201         struct net_device_stats stats;
1202         struct ieee80211_stats ieee_stats;
1203         struct ieee80211_softmac_stats softmac_stats;
1204
1205         /* Probe / Beacon management */
1206         struct list_head network_free_list;
1207         struct list_head network_list;
1208         struct ieee80211_network *networks;
1209         int scans;
1210         int scan_age;
1211
1212         int iw_mode; /* operating mode (IW_MODE_*) */
1213         struct iw_spy_data spy_data;
1214
1215         spinlock_t lock;
1216         spinlock_t wpax_suitlist_lock;
1217
1218         int tx_headroom; /* Set to size of any additional room needed at front
1219                           * of allocated Tx SKBs */
1220         u32 config;
1221
1222         /* WEP and other encryption related settings at the device level */
1223         int open_wep; /* Set to 1 to allow unencrypted frames */
1224         int auth_mode;
1225         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1226                                  * WEP key changes */
1227
1228         /* If the host performs {en,de}cryption, then set to 1 */
1229         int host_encrypt;
1230         int host_encrypt_msdu;
1231         int host_decrypt;
1232         /* host performs multicast decryption */
1233         int host_mc_decrypt;
1234
1235         /* host should strip IV and ICV from protected frames */
1236         /* meaningful only when hardware decryption is being used */
1237         int host_strip_iv_icv;
1238
1239         int host_open_frag;
1240         int host_build_iv;
1241         int ieee802_1x; /* is IEEE 802.1X used */
1242
1243         /* WPA data */
1244         bool bHalfWirelessN24GMode;
1245         int wpa_enabled;
1246         int drop_unencrypted;
1247         int tkip_countermeasures;
1248         int privacy_invoked;
1249         size_t wpa_ie_len;
1250         u8 *wpa_ie;
1251         u8 ap_mac_addr[6];
1252         u16 pairwise_key_type;
1253         u16 group_key_type;
1254         struct list_head crypt_deinit_list;
1255         struct ieee80211_crypt_data *crypt[WEP_KEYS];
1256         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1257         struct timer_list crypt_deinit_timer;
1258         int crypt_quiesced;
1259
1260         int bcrx_sta_key; /* use individual keys to override default keys even
1261                            * with RX of broad/multicast frames */
1262
1263         /* Fragmentation structures */
1264         // each streaming contain a entry
1265         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1266         unsigned int frag_next_idx[17];
1267         u16 fts; /* Fragmentation Threshold */
1268 #define DEFAULT_RTS_THRESHOLD 2346U
1269 #define MIN_RTS_THRESHOLD 1
1270 #define MAX_RTS_THRESHOLD 2346U
1271         u16 rts; /* RTS threshold */
1272
1273         /* Association info */
1274         u8 bssid[ETH_ALEN];
1275
1276         /* This stores infos for the current network.
1277          * Either the network we are associated in INFRASTRUCTURE
1278          * or the network that we are creating in MASTER mode.
1279          * ad-hoc is a mixture ;-).
1280          * Note that in infrastructure mode, even when not associated,
1281          * fields bssid and essid may be valid (if wpa_set and essid_set
1282          * are true) as thy carry the value set by the user via iwconfig
1283          */
1284         struct ieee80211_network current_network;
1285
1286         enum ieee80211_state state;
1287
1288         int short_slot;
1289         int reg_mode;
1290         int mode;       /* A, B, G */
1291         int modulation; /* CCK, OFDM */
1292         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
1293         int abg_true;   /* ABG flag              */
1294
1295         /* used for forcing the ibss workqueue to terminate
1296          * without wait for the syncro scan to terminate
1297          */
1298         short sync_scan_hurryup;
1299         u16 scan_watch_dog;
1300         int perfect_rssi;
1301         int worst_rssi;
1302
1303         u16 prev_seq_ctl;       /* used to drop duplicate frames */
1304
1305         /*
1306          * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1307          * a basic channel plan depending of the PHY type
1308          */
1309         void *pDot11dInfo;
1310         bool bGlobalDomain;
1311         int rate;       /* current rate */
1312         int basic_rate;
1313         //FIXME: pleace callback, see if redundant with softmac_features
1314         short active_scan;
1315
1316         /* this contains flags for selectively enable softmac support */
1317         u16 softmac_features;
1318
1319         /* if the sequence control field is not filled by HW */
1320         u16 seq_ctrl[5];
1321
1322         /* association procedure transaction sequence number */
1323         u16 associate_seq;
1324
1325         /* AID for RTXed association responses */
1326         u16 assoc_id;
1327
1328         /* power save mode related*/
1329         u8 ack_tx_to_ieee;
1330         short ps;
1331         short sta_sleep;
1332         int ps_timeout;
1333         int ps_period;
1334         struct tasklet_struct ps_task;
1335         u32 ps_th;
1336         u32 ps_tl;
1337
1338         short raw_tx;
1339         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1340         short queue_stop;
1341         short scanning;
1342         short proto_started;
1343
1344         struct semaphore wx_sem;
1345         struct semaphore scan_sem;
1346
1347         spinlock_t mgmt_tx_lock;
1348         spinlock_t beacon_lock;
1349
1350         short beacon_txing;
1351
1352         short wap_set;
1353         short ssid_set;
1354
1355         u8  wpax_type_set;    //{added by David, 2006.9.28}
1356         u32 wpax_type_notify; //{added by David, 2006.9.26}
1357
1358         /* QoS related flag */
1359         char init_wmmparam_flag;
1360         /* set on initialization */
1361         u8  qos_support;
1362
1363         /* for discarding duplicated packets in IBSS */
1364         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1365
1366         /* for discarding duplicated packets in BSS */
1367         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1368         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1369         unsigned long last_packet_time[17];
1370
1371         /* for PS mode */
1372         unsigned long last_rx_ps_time;
1373
1374         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1375         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1376         int mgmt_queue_head;
1377         int mgmt_queue_tail;
1378
1379 /* rtl819x start */
1380         u8 AsocRetryCount;
1381         unsigned int hw_header;
1382         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1383         struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1384         struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1385         u32 sta_edca_param[4];
1386         bool aggregation;
1387         /* Enable/Disable Rx immediate BA capability. */
1388         bool enable_rx_imm_BA;
1389         bool bibsscoordinator;
1390
1391         /* Dynamic Tx power for near/far range enable/disable. */
1392         bool bdynamic_txpower_enable;
1393
1394         bool bCTSToSelfEnable;
1395         u8 CTSToSelfTH;
1396
1397         u32     fsync_time_interval;
1398         u32     fsync_rate_bitmap;
1399         u8      fsync_rssi_threshold;
1400         bool    bfsync_enable;
1401
1402         u8      fsync_multiple_timeinterval;    /* value * FsyncTimeInterval */
1403         u32     fsync_firstdiff_ratethreshold;  /* low threshold */
1404         u32     fsync_seconddiff_ratethreshold; /* decrease threshold */
1405         Fsync_State     fsync_state;
1406         bool            bis_any_nonbepkts;
1407         /* 20Mhz 40Mhz AutoSwitch Threshold */
1408         struct bandwidth_autoswitch bandwidth_auto_switch;
1409         /* for txpower tracking */
1410         bool FwRWRF;
1411
1412         /* for AP roaming */
1413         struct rt_link_detect LinkDetectInfo;
1414
1415         struct rt_power_save_control PowerSaveControl;
1416 /* rtl819x end */
1417
1418         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1419         struct  tx_pending_t tx_pending;
1420
1421         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1422         struct timer_list associate_timer;
1423
1424         /* used if IEEE_SOFTMAC_BEACONS is set */
1425         struct timer_list beacon_timer;
1426         struct work_struct associate_complete_wq;
1427         struct work_struct associate_procedure_wq;
1428         struct delayed_work softmac_scan_wq;
1429         struct delayed_work associate_retry_wq;
1430         struct delayed_work start_ibss_wq;
1431         struct delayed_work hw_wakeup_wq;
1432         struct delayed_work hw_sleep_wq;
1433         struct delayed_work link_change_wq;
1434         struct work_struct wx_sync_scan_wq;
1435         struct workqueue_struct *wq;
1436
1437         /* Callback functions */
1438         void (*set_security)(struct net_device *dev,
1439                              struct ieee80211_security *sec);
1440
1441         /* Used to TX data frame by using txb structs.
1442          * this is not used if in the softmac_features
1443          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1444          */
1445         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1446                                struct net_device *dev);
1447
1448         int (*reset_port)(struct net_device *dev);
1449         int (*is_queue_full)(struct net_device *dev, int pri);
1450
1451         int (*handle_management)(struct net_device *dev,
1452                                  struct ieee80211_network *network, u16 type);
1453         int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1454
1455         /* Softmac-generated frames (mamagement) are TXed via this
1456          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1457          * not set. As some cards may have different HW queues that
1458          * one might want to use for data and management frames
1459          * the option to have two callbacks might be useful.
1460          * This fucntion can't sleep.
1461          */
1462         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1463                                struct net_device *dev);
1464
1465         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1466          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1467          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1468          * then also management frames are sent via this callback.
1469          * This function can't sleep.
1470          */
1471         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1472                                struct net_device *dev,int rate);
1473
1474         /* stops the HW queue for DATA frames. Useful to avoid
1475          * waste time to TX data frame when we are reassociating
1476          * This function can sleep.
1477          */
1478         void (*data_hard_stop)(struct net_device *dev);
1479
1480         /* OK this is complementar to data_poll_hard_stop */
1481         void (*data_hard_resume)(struct net_device *dev);
1482
1483         /* ask to the driver to retune the radio .
1484          * This function can sleep. the driver should ensure
1485          * the radio has been swithced before return.
1486          */
1487         void (*set_chan)(struct net_device *dev,short ch);
1488
1489         /* These are not used if the ieee stack takes care of
1490          * scanning (IEEE_SOFTMAC_SCAN feature set).
1491          * In this case only the set_chan is used.
1492          *
1493          * The syncro version is similar to the start_scan but
1494          * does not return until all channels has been scanned.
1495          * this is called in user context and should sleep,
1496          * it is called in a work_queue when swithcing to ad-hoc mode
1497          * or in behalf of iwlist scan when the card is associated
1498          * and root user ask for a scan.
1499          * the fucntion stop_scan should stop both the syncro and
1500          * background scanning and can sleep.
1501          * The fucntion start_scan should initiate the background
1502          * scanning and can't sleep.
1503          */
1504         void (*scan_syncro)(struct net_device *dev);
1505         void (*start_scan)(struct net_device *dev);
1506         void (*stop_scan)(struct net_device *dev);
1507
1508         /* indicate the driver that the link state is changed
1509          * for example it may indicate the card is associated now.
1510          * Driver might be interested in this to apply RX filter
1511          * rules or simply light the LINK led
1512          */
1513         void (*link_change)(struct net_device *dev);
1514
1515         /* these two function indicates to the HW when to start
1516          * and stop to send beacons. This is used when the
1517          * IEEE_SOFTMAC_BEACONS is not set. For now the
1518          * stop_send_bacons is NOT guaranteed to be called only
1519          * after start_send_beacons.
1520          */
1521         void (*start_send_beacons) (struct net_device *dev);
1522         void (*stop_send_beacons) (struct net_device *dev);
1523
1524         /* power save mode related */
1525         void (*sta_wake_up) (struct net_device *dev);
1526         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1527         short (*ps_is_queue_empty) (struct net_device *dev);
1528
1529         int (*handle_beacon)(struct net_device *dev,
1530                              struct ieee80211_probe_response *beacon,
1531                              struct ieee80211_network *network);
1532         int (*handle_assoc_response)(struct net_device *dev,
1533                                 struct ieee80211_assoc_response_frame *resp,
1534                                 struct ieee80211_network *network);
1535
1536         /* check whether Tx hw resouce available */
1537         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1538         /* HT related */
1539         void (*SetBWModeHandler)(struct net_device *dev,
1540                                  HT_CHANNEL_WIDTH Bandwidth,
1541                                  HT_EXTCHNL_OFFSET Offset);
1542         bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1543         void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1544         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1545         bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1546         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1547         bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1548         void (*LedControlHandler)(struct net_device *dev,
1549                                   LED_CTL_MODE LedAction);
1550         /* This must be the last item so that it points to the data
1551          * allocated beyond this structure by alloc_ieee80211 */
1552         u8 priv[0];
1553 };
1554
1555 #define IEEE_A            (1<<0)
1556 #define IEEE_B            (1<<1)
1557 #define IEEE_G            (1<<2)
1558 #define IEEE_N_24G                (1<<4)
1559 #define IEEE_N_5G                 (1<<5)
1560 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1561
1562 /* Generate a 802.11 header */
1563
1564 /* Uses the channel change callback directly
1565  * instead of [start/stop] scan callbacks
1566  */
1567 #define IEEE_SOFTMAC_SCAN (1<<2)
1568
1569 /* Perform authentication and association handshake */
1570 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1571
1572 /* Generate probe requests */
1573 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1574
1575 /* Generate respones to probe requests */
1576 #define IEEE_SOFTMAC_PROBERS (1<<5)
1577
1578 /* The ieee802.11 stack will manages the netif queue
1579  * wake/stop for the driver, taking care of 802.11
1580  * fragmentation. See softmac.c for details. */
1581 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1582
1583 /* Uses only the softmac_data_hard_start_xmit
1584  * even for TX management frames.
1585  */
1586 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1587
1588 /* Generate beacons.  The stack will enqueue beacons
1589  * to the card
1590  */
1591 #define IEEE_SOFTMAC_BEACONS (1<<6)
1592
1593 static inline void *ieee80211_priv(struct net_device *dev)
1594 {
1595         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1596 }
1597
1598 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1599 {
1600         /* Single white space is for Linksys APs */
1601         if (essid_len == 1 && essid[0] == ' ')
1602                 return 1;
1603
1604         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1605         while (essid_len) {
1606                 essid_len--;
1607                 if (essid[essid_len] != '\0')
1608                         return 0;
1609         }
1610
1611         return 1;
1612 }
1613
1614 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1615 {
1616         /*
1617          * It is possible for both access points and our device to support
1618          * combinations of modes, so as long as there is one valid combination
1619          * of ap/device supported modes, then return success
1620          *
1621          */
1622         if ((mode & IEEE_A) &&
1623             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1624             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1625                 return 1;
1626
1627         if ((mode & IEEE_G) &&
1628             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1629             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1630                 return 1;
1631
1632         if ((mode & IEEE_B) &&
1633             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1634             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1635                 return 1;
1636
1637         return 0;
1638 }
1639
1640 extern inline int ieee80211_get_hdrlen(u16 fc)
1641 {
1642         int hdrlen = IEEE80211_3ADDR_LEN;
1643
1644         switch (WLAN_FC_GET_TYPE(fc)) {
1645         case IEEE80211_FTYPE_DATA:
1646                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1647                         hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1648                 if(IEEE80211_QOS_HAS_SEQ(fc))
1649                         hdrlen += 2; /* QOS ctrl*/
1650                 break;
1651         case IEEE80211_FTYPE_CTL:
1652                 switch (WLAN_FC_GET_STYPE(fc)) {
1653                 case IEEE80211_STYPE_CTS:
1654                 case IEEE80211_STYPE_ACK:
1655                         hdrlen = IEEE80211_1ADDR_LEN;
1656                         break;
1657                 default:
1658                         hdrlen = IEEE80211_2ADDR_LEN;
1659                         break;
1660                 }
1661                 break;
1662         }
1663
1664         return hdrlen;
1665 }
1666
1667 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1668 {
1669         switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1670         case IEEE80211_1ADDR_LEN:
1671                 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1672         case IEEE80211_2ADDR_LEN:
1673                 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1674         case IEEE80211_3ADDR_LEN:
1675                 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
1676         case IEEE80211_4ADDR_LEN:
1677                 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1678         }
1679         return NULL;
1680 }
1681
1682 static inline int ieee80211_is_ofdm_rate(u8 rate)
1683 {
1684         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1685         case IEEE80211_OFDM_RATE_6MB:
1686         case IEEE80211_OFDM_RATE_9MB:
1687         case IEEE80211_OFDM_RATE_12MB:
1688         case IEEE80211_OFDM_RATE_18MB:
1689         case IEEE80211_OFDM_RATE_24MB:
1690         case IEEE80211_OFDM_RATE_36MB:
1691         case IEEE80211_OFDM_RATE_48MB:
1692         case IEEE80211_OFDM_RATE_54MB:
1693                 return 1;
1694         }
1695         return 0;
1696 }
1697
1698 static inline int ieee80211_is_cck_rate(u8 rate)
1699 {
1700         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1701         case IEEE80211_CCK_RATE_1MB:
1702         case IEEE80211_CCK_RATE_2MB:
1703         case IEEE80211_CCK_RATE_5MB:
1704         case IEEE80211_CCK_RATE_11MB:
1705                 return 1;
1706         }
1707         return 0;
1708 }
1709
1710
1711 /* ieee80211.c */
1712 extern void free_ieee80211(struct net_device *dev);
1713 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1714
1715 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1716
1717 /* ieee80211_tx.c */
1718
1719 extern int ieee80211_encrypt_fragment(
1720         struct ieee80211_device *ieee,
1721         struct sk_buff *frag,
1722         int hdr_len);
1723
1724 extern int rtl8192_ieee80211_xmit(struct sk_buff *skb,
1725                           struct net_device *dev);
1726 extern void ieee80211_txb_free(struct ieee80211_txb *);
1727
1728
1729 /* ieee80211_rx.c */
1730 extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1731                         struct ieee80211_rx_stats *rx_stats);
1732 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1733                              struct ieee80211_hdr_4addr *header,
1734                              struct ieee80211_rx_stats *stats);
1735
1736 /* ieee80211_wx.c */
1737 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1738                                  struct iw_request_info *info,
1739                                  union iwreq_data *wrqu, char *key);
1740 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1741                                    struct iw_request_info *info,
1742                                    union iwreq_data *wrqu, char *key);
1743 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1744                                    struct iw_request_info *info,
1745                                    union iwreq_data *wrqu, char *key);
1746 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1747                             struct iw_request_info *info,
1748                             union iwreq_data* wrqu, char *extra);
1749 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1750                                struct iw_request_info *info,
1751                                struct iw_param *data, char *extra);
1752 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1753                                struct iw_request_info *info,
1754                                union iwreq_data *wrqu, char *extra);
1755 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1756
1757 /* ieee80211_softmac.c */
1758 extern short ieee80211_is_54g(struct ieee80211_network net);
1759 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1760 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1761                         struct ieee80211_rx_stats *rx_stats, u16 type,
1762                         u16 stype);
1763 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1764
1765 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1766 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1767
1768 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1769 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1770 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1771 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1772 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1773 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1774 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1775 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1776 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1777 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1778 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1779 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1780 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1781 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1782 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1783 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1784 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1785 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1786 extern void ieee80211_wake_queue(struct ieee80211_device *ieee);
1787 extern void ieee80211_stop_queue(struct ieee80211_device *ieee);
1788 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1789 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1790 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1791 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1792 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1793 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1794
1795 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1796
1797 /* ieee80211_crypt_ccmp&tkip&wep.c */
1798 extern void ieee80211_tkip_null(void);
1799 extern void ieee80211_wep_null(void);
1800 extern void ieee80211_ccmp_null(void);
1801
1802 /* ieee80211_softmac_wx.c */
1803
1804 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1805                             struct iw_request_info *info,
1806                             union iwreq_data *wrqu, char *ext);
1807
1808 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1809                          struct iw_request_info *info,
1810                          union iwreq_data *awrq,
1811                          char *extra);
1812
1813 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1814
1815 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1816                              struct iw_request_info *info,
1817                              union iwreq_data *wrqu, char *extra);
1818
1819 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1820                              struct iw_request_info *info,
1821                              union iwreq_data *wrqu, char *extra);
1822
1823 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1824                              union iwreq_data *wrqu, char *b);
1825
1826 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1827                              union iwreq_data *wrqu, char *b);
1828
1829 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1830                               struct iw_request_info *a,
1831                               union iwreq_data *wrqu, char *extra);
1832
1833 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1834                              union iwreq_data *wrqu, char *b);
1835
1836 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1837                              union iwreq_data *wrqu, char *b);
1838
1839 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1840                              union iwreq_data *wrqu, char *b);
1841
1842 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1843
1844 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1845                                struct iw_request_info *info,
1846                                union iwreq_data *wrqu, char *extra);
1847
1848 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1849                              struct iw_request_info *info,
1850                              union iwreq_data *wrqu, char *extra);
1851
1852 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1853                                  struct iw_request_info *info,
1854                                  union iwreq_data *wrqu, char *extra);
1855
1856 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1857                                  struct iw_request_info *info,
1858                                  union iwreq_data *wrqu, char *extra);
1859
1860 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1861                              struct iw_request_info *info,
1862                              union iwreq_data *wrqu, char *extra);
1863
1864 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1865                              struct iw_request_info *info,
1866                              union iwreq_data *wrqu, char *extra);
1867
1868 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1869
1870 extern const long ieee80211_wlan_frequencies[];
1871
1872 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1873 {
1874         ieee->scans++;
1875 }
1876
1877 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1878 {
1879         return ieee->scans;
1880 }
1881
1882 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1883         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1884         const char *s = essid;
1885         char *d = escaped;
1886
1887         if (ieee80211_is_empty_essid(essid, essid_len)) {
1888                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1889                 return escaped;
1890         }
1891
1892         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1893         while (essid_len--) {
1894                 if (*s == '\0') {
1895                         *d++ = '\\';
1896                         *d++ = '0';
1897                         s++;
1898                 } else {
1899                         *d++ = *s++;
1900                 }
1901         }
1902         *d = '\0';
1903         return escaped;
1904 }
1905
1906 /* For the function is more related to hardware setting, it's better to use the
1907  * ieee handler to refer to it.
1908  */
1909 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1910 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1911 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1912                 struct ieee80211_info_element *info_element,
1913                 u16 length,
1914                 struct ieee80211_network *network,
1915                 struct ieee80211_rx_stats *stats);
1916
1917 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1918                                        struct ieee80211_rxb **prxbIndicateArray,
1919                                        u8 index);
1920 #define RT_ASOC_RETRY_LIMIT     5
1921 #endif /* IEEE80211_H */