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 #include <linux/semaphore.h>
  34
  35 #include <linux/delay.h>
  36 #include <linux/wireless.h>
  37 #include <linux/ieee80211.h>
  38
  39 #include "rtl819x_HT.h"
  40 #include "rtl819x_BA.h"
  41 #include "rtl819x_TS.h"
  42
  43 #define KEY_TYPE_NA             0x0
  44 #define KEY_TYPE_WEP40          0x1
  45 #define KEY_TYPE_TKIP           0x2
  46 #define KEY_TYPE_CCMP           0x4
  47 #define KEY_TYPE_WEP104         0x5
  48
  49 #define aSifsTime (((priv->ieee80211->current_network.mode == IEEE_A) || \
  50                     (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
  51                     (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
  52                    ? 16 : 10)
  53
  54 #define MGMT_QUEUE_NUM 5
  55
  56 #define IEEE_CMD_SET_WPA_PARAM                  1
  57 #define IEEE_CMD_SET_WPA_IE                     2
  58 #define IEEE_CMD_SET_ENCRYPTION                 3
  59 #define IEEE_CMD_MLME                           4
  60
  61 #define IEEE_PARAM_WPA_ENABLED                  1
  62 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  63 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  64 #define IEEE_PARAM_PRIVACY_INVOKED              4
  65 #define IEEE_PARAM_AUTH_ALGS                    5
  66 #define IEEE_PARAM_IEEE_802_1X                  6
  67 //It should consistent with the driver_XXX.c
  68 //   David, 2006.9.26
  69 #define IEEE_PARAM_WPAX_SELECT                  7
  70 //Added for notify the encryption type selection
  71 //   David, 2006.9.26
  72 #define IEEE_PROTO_WPA                          1
  73 #define IEEE_PROTO_RSN                          2
  74 //Added for notify the encryption type selection
  75 //   David, 2006.9.26
  76 #define IEEE_WPAX_USEGROUP                      0
  77 #define IEEE_WPAX_WEP40                         1
  78 #define IEEE_WPAX_TKIP                          2
  79 #define IEEE_WPAX_WRAP                          3
  80 #define IEEE_WPAX_CCMP                          4
  81 #define IEEE_WPAX_WEP104                        5
  82
  83 #define IEEE_KEY_MGMT_IEEE8021X                 1
  84 #define IEEE_KEY_MGMT_PSK                       2
  85
  86 #define IEEE_MLME_STA_DEAUTH                    1
  87 #define IEEE_MLME_STA_DISASSOC                  2
  88
  89
  90 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  91 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  92 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
  93 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  94 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED        6
  95 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  96
  97
  98 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  99
 100 #define MAX_IE_LEN  0xff
 101
 102 typedef struct ieee_param {
 103         u32 cmd;
 104         u8 sta_addr[ETH_ALEN];
 105         union {
 106                 struct {
 107                         u8 name;
 108                         u32 value;
 109                 } wpa_param;
 110                 struct {
 111                         u32 len;
 112                         u8 reserved[32];
 113                         u8 data[0];
 114                 } wpa_ie;
 115                 struct{
 116                         int command;
 117                         int reason_code;
 118                 } mlme;
 119                 struct {
 120                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 121                         u8 set_tx;
 122                         u32 err;
 123                         u8 idx;
 124                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 125                         u16 key_len;
 126                         u8 key[0];
 127                 } crypt;
 128         } u;
 129 }ieee_param;
 130
 131 #define MSECS(t) msecs_to_jiffies(t)
 132 #define msleep_interruptible_rsl  msleep_interruptible
 133
 134 #define IEEE80211_DATA_LEN              2304
 135 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 136    6.2.1.1.2.
 137
 138    The figure in section 7.1.2 suggests a body size of up to 2312
 139    bytes is allowed, which is a bit confusing, I suspect this
 140    represents the 2304 bytes of real data, plus a possible 8 bytes of
 141    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 142 #define IEEE80211_1ADDR_LEN 10
 143 #define IEEE80211_2ADDR_LEN 16
 144 #define IEEE80211_3ADDR_LEN 24
 145 #define IEEE80211_4ADDR_LEN 30
 146 #define IEEE80211_FCS_LEN    4
 147 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 148 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 149 #define IEEE80211_MGMT_HDR_LEN 24
 150 #define IEEE80211_DATA_HDR3_LEN 24
 151 #define IEEE80211_DATA_HDR4_LEN 30
 152
 153 #define MIN_FRAG_THRESHOLD     256U
 154 #define MAX_FRAG_THRESHOLD     2346U
 155
 156
 157 /* Frame control field constants */
 158 #define IEEE80211_FCTL_FRAMETYPE        0x00fc
 159 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 160 #define IEEE80211_FCTL_WEP              0x4000
 161
 162 /* management */
 163 #define IEEE80211_STYPE_MANAGE_ACT      0x00D0
 164
 165 /* control */
 166 #define IEEE80211_STYPE_BLOCKACK   0x0094
 167
 168 /* QOS control */
 169 #define IEEE80211_QCTL_TID              0x000F
 170
 171 #define OUI_SUBTYPE_WMM_INFO            0
 172 #define OUI_SUBTYPE_WMM_PARAM   1
 173 #define OUI_SUBTYPE_QOS_CAPABI  5
 174
 175 /* debug macros */
 176 #define CONFIG_IEEE80211_DEBUG
 177 #ifdef CONFIG_IEEE80211_DEBUG
 178 extern u32 ieee80211_debug_level;
 179 #define IEEE80211_DEBUG(level, fmt, args...) \
 180         do { \
 181                 if (ieee80211_debug_level & (level)) \
 182                         printk(KERN_DEBUG "ieee80211: " fmt, ## args); \
 183         } while (0)
 184 #define IEEE80211_DEBUG_DATA(level, data, datalen) \
 185         do { \
 186                 if ((ieee80211_debug_level & (level)) == (level)) { \
 187                         u8 *pdata = (u8 *)data; \
 188                         int i; \
 189                         printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
 190                         for (i = 0; i < (int)(datalen); i++) { \
 191                                 printk("%2x ", pdata[i]); \
 192                                 if ((i + 1) % 16 == 0) \
 193                                         printk("\n"); \
 194                         } \
 195                         printk("\n"); \
 196                 } \
 197         } while (0)
 198 #else
 199 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 200 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
 201 #endif  /* CONFIG_IEEE80211_DEBUG */
 202
 203 /*
 204  * To use the debug system;
 205  *
 206  * If you are defining a new debug classification, simply add it to the #define
 207  * list here in the form of:
 208  *
 209  * #define IEEE80211_DL_xxxx VALUE
 210  *
 211  * shifting value to the left one bit from the previous entry.  xxxx should be
 212  * the name of the classification (for example, WEP)
 213  *
 214  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
 215  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
 216  * to send output to that classification.
 217  *
 218  * To add your debug level to the list of levels seen when you perform
 219  *
 220  * % cat /proc/net/ipw/debug_level
 221  *
 222  * you simply need to add your entry to the ipw_debug_levels array.
 223  *
 224  * If you do not see debug_level in /proc/net/ipw then you do not have
 225  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
 226  *
 227  */
 228
 229 #define IEEE80211_DL_INFO          (1<<0)
 230 #define IEEE80211_DL_WX            (1<<1)
 231 #define IEEE80211_DL_SCAN          (1<<2)
 232 #define IEEE80211_DL_STATE         (1<<3)
 233 #define IEEE80211_DL_MGMT          (1<<4)
 234 #define IEEE80211_DL_FRAG          (1<<5)
 235 #define IEEE80211_DL_EAP           (1<<6)
 236 #define IEEE80211_DL_DROP          (1<<7)
 237
 238 #define IEEE80211_DL_TX            (1<<8)
 239 #define IEEE80211_DL_RX            (1<<9)
 240
 241 #define IEEE80211_DL_HT            (1 << 10)
 242 #define IEEE80211_DL_BA            (1 << 11)
 243 #define IEEE80211_DL_TS            (1 << 12)
 244 #define IEEE80211_DL_QOS           (1 << 13)
 245 #define IEEE80211_DL_REORDER       (1 << 14)
 246 #define IEEE80211_DL_IOT           (1 << 15)
 247 #define IEEE80211_DL_IPS           (1 << 16)
 248 #define IEEE80211_DL_TRACE         (1 << 29)
 249 #define IEEE80211_DL_DATA          (1 << 30)
 250 #define IEEE80211_DL_ERR           (1 << 31)
 251
 252 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 253 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 254 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 255
 256 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 257 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 258 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 259 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 260 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 261 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 262 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 263 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 264 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 265 #define IEEE80211_DEBUG_QOS(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
 266
 267 #include <linux/netdevice.h>
 268 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 269
 270 #ifndef WIRELESS_SPY
 271 #define WIRELESS_SPY            // enable iwspy support
 272 #endif
 273 #include <net/iw_handler.h>     // new driver API
 274
 275 #ifndef ETH_P_PAE
 276 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 277 #endif /* ETH_P_PAE */
 278
 279 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 280
 281 #ifndef ETH_P_80211_RAW
 282 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 283 #endif
 284
 285 /* IEEE 802.11 defines */
 286
 287 #define P80211_OUI_LEN 3
 288
 289 struct ieee80211_snap_hdr {
 290
 291         u8    dsap;   /* always 0xAA */
 292         u8    ssap;   /* always 0xAA */
 293         u8    ctrl;   /* always 0x03 */
 294         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 295
 296 } __attribute__ ((packed));
 297
 298 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 299
 300 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
 301 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 302 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 303
 304 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
 305 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 306 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 307
 308 #define RTL_WLAN_AUTH_LEAP 2
 309
 310 #define WLAN_CAPABILITY_BSS (1<<0)
 311 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 312
 313 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 314 #define IEEE80211_STATMASK_RSSI (1<<1)
 315 #define IEEE80211_STATMASK_NOISE (1<<2)
 316 #define IEEE80211_STATMASK_RATE (1<<3)
 317 #define IEEE80211_STATMASK_WEMASK 0x7
 318
 319 #define IEEE80211_CCK_MODULATION    (1<<0)
 320 #define IEEE80211_OFDM_MODULATION   (1<<1)
 321
 322 #define IEEE80211_24GHZ_BAND     (1<<0)
 323 #define IEEE80211_52GHZ_BAND     (1<<1)
 324
 325 #define IEEE80211_CCK_RATE_LEN                  4
 326 #define IEEE80211_CCK_RATE_1MB                  0x02
 327 #define IEEE80211_CCK_RATE_2MB                  0x04
 328 #define IEEE80211_CCK_RATE_5MB                  0x0B
 329 #define IEEE80211_CCK_RATE_11MB                 0x16
 330 #define IEEE80211_OFDM_RATE_LEN                 8
 331 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 332 #define IEEE80211_OFDM_RATE_9MB                 0x12
 333 #define IEEE80211_OFDM_RATE_12MB                0x18
 334 #define IEEE80211_OFDM_RATE_18MB                0x24
 335 #define IEEE80211_OFDM_RATE_24MB                0x30
 336 #define IEEE80211_OFDM_RATE_36MB                0x48
 337 #define IEEE80211_OFDM_RATE_48MB                0x60
 338 #define IEEE80211_OFDM_RATE_54MB                0x6C
 339 #define IEEE80211_BASIC_RATE_MASK               0x80
 340
 341 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 342 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 343 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 344 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 345 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 346 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 347 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 348 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 349 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 350 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 351 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 352 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 353
 354 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 355 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 356         IEEE80211_CCK_RATE_2MB_MASK)
 357 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 358         IEEE80211_CCK_RATE_5MB_MASK | \
 359         IEEE80211_CCK_RATE_11MB_MASK)
 360
 361 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 362 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 363         IEEE80211_OFDM_RATE_12MB_MASK | \
 364         IEEE80211_OFDM_RATE_24MB_MASK)
 365 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 366         IEEE80211_OFDM_RATE_9MB_MASK  | \
 367         IEEE80211_OFDM_RATE_18MB_MASK | \
 368         IEEE80211_OFDM_RATE_36MB_MASK | \
 369         IEEE80211_OFDM_RATE_48MB_MASK | \
 370         IEEE80211_OFDM_RATE_54MB_MASK)
 371 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 372                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 373
 374 #define IEEE80211_NUM_OFDM_RATES            8
 375 #define IEEE80211_NUM_CCK_RATES             4
 376 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 377
 378
 379 /* this is stolen and modified from the madwifi driver*/
 380 #define IEEE80211_FC0_TYPE_MASK         0x0c
 381 #define IEEE80211_FC0_TYPE_DATA         0x08
 382 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 383 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 384
 385 #define IEEE80211_QOS_HAS_SEQ(fc) \
 386         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 387          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 388
 389 /* this is stolen from ipw2200 driver */
 390 #define IEEE_IBSS_MAC_HASH_SIZE 31
 391 struct ieee_ibss_seq {
 392         u8 mac[ETH_ALEN];
 393         u16 seq_num[17];
 394         u16 frag_num[17];
 395         unsigned long packet_time[17];
 396         struct list_head list;
 397 };
 398
 399 /* NOTE: This data is for statistical purposes; not all hardware provides this
 400  *       information for frames received.  Not setting these will not cause
 401  *       any adverse affects. */
 402 struct ieee80211_rx_stats {
 403         u32 mac_time[2];
 404         s8 rssi;
 405         u8 signal;
 406         u8 noise;
 407         u16 rate; /* in 100 kbps */
 408         u8 received_channel;
 409         u8 control;
 410         u8 mask;
 411         u8 freq;
 412         u16 len;
 413         u64 tsf;
 414         u32 beacon_time;
 415         u8 nic_type;
 416
 417         u16       Length;
 418         u8        SignalQuality;        /* in 0-100 index */
 419         /* real power in dBm for this packet, no beautification & aggregation */
 420         s32       RecvSignalPower;
 421         s8        RxPower;              /* in dBm Translate from PWdB */
 422         u8        SignalStrength;       /* in 0-100 index */
 423         u16       bHwError:1;
 424         u16       bCRC:1;
 425         u16       bICV:1;
 426         u16       bShortPreamble:1;
 427         u16       Antenna:1;            /* RTL8185 */
 428         u16       Decrypted:1;          /* RTL8185, RTL8187 */
 429         u16       Wakeup:1;             /* RTL8185 */
 430         u16       Reserved0:1;          /* RTL8185 */
 431         u8        AGC;
 432         u32       TimeStampLow;
 433         u32       TimeStampHigh;
 434         bool      bShift;
 435         bool      bIsQosData;
 436         u8        UserPriority;
 437
 438         /* < 11n or 8190 specific code */
 439         u8        RxDrvInfoSize;
 440         u8        RxBufShift;
 441         bool      bIsAMPDU;
 442         bool      bFirstMPDU;
 443         bool      bContainHTC;
 444         bool      RxIs40MHzPacket;
 445         u32       RxPWDBAll;
 446         u8        RxMIMOSignalStrength[4]; /* in 0~100 index */
 447         s8        RxMIMOSignalQuality[2];
 448         bool      bPacketMatchBSSID;
 449         bool      bIsCCK;
 450         bool      bPacketToSelf;
 451
 452         u8        *virtual_address;
 453         /* total packet length: must equal to sum of all FragLength */
 454         u16       packetlength;
 455         /* FragLength should equal to PacketLength in non-fragment case */
 456         u16       fraglength;
 457         u16       fragoffset;           /* data offset for this fragment */
 458         u16       ntotalfrag;
 459         bool      bisrxaggrsubframe;
 460         bool      bPacketBeacon;        /* for rssi */
 461         bool      bToSelfBA;            /* for rssi */
 462         char      cck_adc_pwdb[4];      /* for rx path selection */
 463         u16       Seq_Num;
 464         u8        nTotalAggPkt;         /* number of aggregated packets */
 465 };
 466
 467 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 468  * three fragmented frames. This define can be increased to support more
 469  * concurrent frames, but it should be noted that each entry can consume about
 470  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 471 #define IEEE80211_FRAG_CACHE_LEN 4
 472
 473 struct ieee80211_frag_entry {
 474         unsigned long first_frag_time;
 475         unsigned int seq;
 476         unsigned int last_frag;
 477         struct sk_buff *skb;
 478         u8 src_addr[ETH_ALEN];
 479         u8 dst_addr[ETH_ALEN];
 480 };
 481
 482 struct ieee80211_stats {
 483         unsigned int tx_unicast_frames;
 484         unsigned int tx_multicast_frames;
 485         unsigned int tx_fragments;
 486         unsigned int tx_unicast_octets;
 487         unsigned int tx_multicast_octets;
 488         unsigned int tx_deferred_transmissions;
 489         unsigned int tx_single_retry_frames;
 490         unsigned int tx_multiple_retry_frames;
 491         unsigned int tx_retry_limit_exceeded;
 492         unsigned int tx_discards;
 493         unsigned int rx_unicast_frames;
 494         unsigned int rx_multicast_frames;
 495         unsigned int rx_fragments;
 496         unsigned int rx_unicast_octets;
 497         unsigned int rx_multicast_octets;
 498         unsigned int rx_fcs_errors;
 499         unsigned int rx_discards_no_buffer;
 500         unsigned int tx_discards_wrong_sa;
 501         unsigned int rx_discards_undecryptable;
 502         unsigned int rx_message_in_msg_fragments;
 503         unsigned int rx_message_in_bad_msg_fragments;
 504 };
 505
 506 struct ieee80211_device;
 507
 508 #include "ieee80211_crypt.h"
 509
 510 #define SEC_KEY_1         (1<<0)
 511 #define SEC_KEY_2         (1<<1)
 512 #define SEC_KEY_3         (1<<2)
 513 #define SEC_KEY_4         (1<<3)
 514 #define SEC_ACTIVE_KEY    (1<<4)
 515 #define SEC_AUTH_MODE     (1<<5)
 516 #define SEC_UNICAST_GROUP (1<<6)
 517 #define SEC_LEVEL         (1<<7)
 518 #define SEC_ENABLED       (1<<8)
 519
 520 #define SEC_LEVEL_0      0 /* None */
 521 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 522 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 523 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 524 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 525
 526 #define WEP_KEYS                4
 527 #define WEP_KEY_LEN             13
 528 #define SCM_KEY_LEN             32
 529
 530 struct ieee80211_security {
 531         u16 active_key:2,
 532             enabled:1,
 533             auth_mode:2,
 534             auth_algo:4,
 535             unicast_uses_group:1,
 536             encrypt:1;
 537         u8 key_sizes[WEP_KEYS];
 538         u8 keys[WEP_KEYS][SCM_KEY_LEN];
 539         u8 level;
 540         u16 flags;
 541 } __attribute__ ((packed));
 542
 543
 544 /*
 545  802.11 data frame from AP
 546       ,-------------------------------------------------------------------.
 547 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 548       |------|------|---------|---------|---------|------|---------|------|
 549 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 550       |      | tion | (BSSID) |         |         | ence |  data   |      |
 551       `-------------------------------------------------------------------'
 552 Total: 28-2340 bytes
 553 */
 554
 555 /* Management Frame Information Element Types */
 556 enum {
 557         MFIE_TYPE_SSID = 0,
 558         MFIE_TYPE_RATES = 1,
 559         MFIE_TYPE_FH_SET = 2,
 560         MFIE_TYPE_DS_SET = 3,
 561         MFIE_TYPE_CF_SET = 4,
 562         MFIE_TYPE_TIM = 5,
 563         MFIE_TYPE_IBSS_SET = 6,
 564         MFIE_TYPE_COUNTRY = 7,
 565         MFIE_TYPE_HOP_PARAMS = 8,
 566         MFIE_TYPE_HOP_TABLE = 9,
 567         MFIE_TYPE_REQUEST = 10,
 568         MFIE_TYPE_CHALLENGE = 16,
 569         MFIE_TYPE_POWER_CONSTRAINT = 32,
 570         MFIE_TYPE_POWER_CAPABILITY = 33,
 571         MFIE_TYPE_TPC_REQUEST = 34,
 572         MFIE_TYPE_TPC_REPORT = 35,
 573         MFIE_TYPE_SUPP_CHANNELS = 36,
 574         MFIE_TYPE_CSA = 37,
 575         MFIE_TYPE_MEASURE_REQUEST = 38,
 576         MFIE_TYPE_MEASURE_REPORT = 39,
 577         MFIE_TYPE_QUIET = 40,
 578         MFIE_TYPE_IBSS_DFS = 41,
 579         MFIE_TYPE_ERP = 42,
 580         MFIE_TYPE_RSN = 48,
 581         MFIE_TYPE_RATES_EX = 50,
 582         MFIE_TYPE_HT_CAP= 45,
 583          MFIE_TYPE_HT_INFO= 61,
 584          MFIE_TYPE_AIRONET=133,
 585         MFIE_TYPE_GENERIC = 221,
 586         MFIE_TYPE_QOS_PARAMETER = 222,
 587 };
 588
 589 /* Minimal header; can be used for passing 802.11 frames with sufficient
 590  * information to determine what type of underlying data type is actually
 591  * stored in the data. */
 592 struct rtl_ieee80211_hdr {
 593         __le16 frame_ctl;
 594         __le16 duration_id;
 595         u8 payload[0];
 596 } __attribute__ ((packed));
 597
 598 struct ieee80211_hdr_1addr {
 599         __le16 frame_ctl;
 600         __le16 duration_id;
 601         u8 addr1[ETH_ALEN];
 602         u8 payload[0];
 603 } __attribute__ ((packed));
 604
 605 struct ieee80211_hdr_2addr {
 606         __le16 frame_ctl;
 607         __le16 duration_id;
 608         u8 addr1[ETH_ALEN];
 609         u8 addr2[ETH_ALEN];
 610         u8 payload[0];
 611 } __attribute__ ((packed));
 612
 613 struct ieee80211_hdr_4addr {
 614         __le16 frame_ctl;
 615         __le16 duration_id;
 616         u8 addr1[ETH_ALEN];
 617         u8 addr2[ETH_ALEN];
 618         u8 addr3[ETH_ALEN];
 619         __le16 seq_ctl;
 620         u8 addr4[ETH_ALEN];
 621         u8 payload[0];
 622 } __attribute__ ((packed));
 623
 624 struct ieee80211_hdr_3addrqos {
 625         __le16 frame_ctl;
 626         __le16 duration_id;
 627         u8 addr1[ETH_ALEN];
 628         u8 addr2[ETH_ALEN];
 629         u8 addr3[ETH_ALEN];
 630         __le16 seq_ctl;
 631         u8 payload[0];
 632         __le16 qos_ctl;
 633 } __attribute__ ((packed));
 634
 635 struct ieee80211_hdr_4addrqos {
 636         __le16 frame_ctl;
 637         __le16 duration_id;
 638         u8 addr1[ETH_ALEN];
 639         u8 addr2[ETH_ALEN];
 640         u8 addr3[ETH_ALEN];
 641         __le16 seq_ctl;
 642         u8 addr4[ETH_ALEN];
 643         u8 payload[0];
 644         __le16 qos_ctl;
 645 } __attribute__ ((packed));
 646
 647 struct ieee80211_info_element {
 648         u8 id;
 649         u8 len;
 650         u8 data[0];
 651 } __attribute__ ((packed));
 652
 653 struct ieee80211_authentication {
 654         struct ieee80211_hdr_3addr header;
 655         __le16 algorithm;
 656         __le16 transaction;
 657         __le16 status;
 658         /* challenge */
 659         struct ieee80211_info_element info_element[0];
 660 } __attribute__ ((packed));
 661
 662 struct ieee80211_disassoc {
 663         struct ieee80211_hdr_3addr header;
 664         __le16 reason;
 665 } __attribute__ ((packed));
 666
 667 struct ieee80211_probe_request {
 668         struct ieee80211_hdr_3addr header;
 669         /* SSID, supported rates */
 670         struct ieee80211_info_element info_element[0];
 671 } __attribute__ ((packed));
 672
 673 struct ieee80211_probe_response {
 674         struct ieee80211_hdr_3addr header;
 675         u32 time_stamp[2];
 676         __le16 beacon_interval;
 677         __le16 capability;
 678         /* SSID, supported rates, FH params, DS params,
 679          * CF params, IBSS params, TIM (if beacon), RSN */
 680         struct ieee80211_info_element info_element[0];
 681 } __attribute__ ((packed));
 682
 683 struct ieee80211_assoc_request_frame {
 684         struct ieee80211_hdr_3addr header;
 685         __le16 capability;
 686         __le16 listen_interval;
 687         /* SSID, supported rates, RSN */
 688         struct ieee80211_info_element info_element[0];
 689 } __attribute__ ((packed));
 690
 691 struct ieee80211_reassoc_request_frame {
 692         struct ieee80211_hdr_3addr header;
 693         __le16 capability;
 694         __le16 listen_interval;
 695         u8 current_ap[ETH_ALEN];
 696         /* SSID, supported rates, RSN */
 697         struct ieee80211_info_element info_element[0];
 698 } __attribute__ ((packed));
 699
 700 struct ieee80211_assoc_response_frame {
 701         struct ieee80211_hdr_3addr header;
 702         __le16 capability;
 703         __le16 status;
 704         __le16 aid;
 705         struct ieee80211_info_element info_element[0]; /* supported rates */
 706 } __attribute__ ((packed));
 707
 708 struct ieee80211_txb {
 709         u8 nr_frags;
 710         u8 encrypted;
 711         u8 queue_index;
 712         u8 rts_included;
 713         u16 reserved;
 714         __le16 frag_size;
 715         __le16 payload_size;
 716         struct sk_buff *fragments[0];
 717 };
 718
 719 #define MAX_SUBFRAME_COUNT                64
 720 struct ieee80211_rxb {
 721         u8 nr_subframes;
 722         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 723         u8 dst[ETH_ALEN];
 724         u8 src[ETH_ALEN];
 725 }__attribute__((packed));
 726
 727 /* SWEEP TABLE ENTRIES NUMBER */
 728 #define MAX_SWEEP_TAB_ENTRIES             42
 729 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
 730 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 731  * only use 8, and then use extended rates for the remaining supported
 732  * rates.  Other APs, however, stick all of their supported rates on the
 733  * main rates information element... */
 734 #define MAX_RATES_LENGTH                  ((u8)12)
 735 #define MAX_RATES_EX_LENGTH               ((u8)16)
 736 #define MAX_NETWORK_COUNT                  128
 737
 738 #define MAX_CHANNEL_NUMBER                 161
 739
 740 #define IEEE80211_SOFTMAC_SCAN_TIME        100 /* (HZ / 2) */
 741 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 742
 743 #define CRC_LENGTH                 4U
 744
 745 #define MAX_WPA_IE_LEN 64
 746
 747 #define NETWORK_EMPTY_ESSID     (1 << 0)
 748 #define NETWORK_HAS_OFDM        (1 << 1)
 749 #define NETWORK_HAS_CCK         (1 << 2)
 750
 751 /* QoS structure */
 752 #define NETWORK_HAS_QOS_PARAMETERS      (1 << 3)
 753 #define NETWORK_HAS_QOS_INFORMATION     (1 << 4)
 754 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
 755                                          NETWORK_HAS_QOS_INFORMATION)
 756
 757 #define NETWORK_HAS_ERP_VALUE           (1 << 10)
 758
 759 #define QOS_QUEUE_NUM                   4
 760 #define QOS_OUI_LEN                     3
 761 #define QOS_OUI_TYPE                    2
 762 #define QOS_ELEMENT_ID                  221
 763 #define QOS_OUI_INFO_SUB_TYPE           0
 764 #define QOS_OUI_PARAM_SUB_TYPE          1
 765 #define QOS_VERSION_1                   1
 766 #define QOS_AIFSN_MIN_VALUE             2
 767
 768 struct ieee80211_qos_information_element {
 769         u8 elementID;
 770         u8 length;
 771         u8 qui[QOS_OUI_LEN];
 772         u8 qui_type;
 773         u8 qui_subtype;
 774         u8 version;
 775         u8 ac_info;
 776 } __attribute__ ((packed));
 777
 778 struct ieee80211_qos_ac_parameter {
 779         u8 aci_aifsn;
 780         u8 ecw_min_max;
 781         __le16 tx_op_limit;
 782 } __attribute__ ((packed));
 783
 784 struct ieee80211_qos_parameter_info {
 785         struct ieee80211_qos_information_element info_element;
 786         u8 reserved;
 787         struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 788 } __attribute__ ((packed));
 789
 790 struct ieee80211_qos_parameters {
 791         __le16 cw_min[QOS_QUEUE_NUM];
 792         __le16 cw_max[QOS_QUEUE_NUM];
 793         u8 aifs[QOS_QUEUE_NUM];
 794         u8 flag[QOS_QUEUE_NUM];
 795         __le16 tx_op_limit[QOS_QUEUE_NUM];
 796 } __attribute__ ((packed));
 797
 798 struct ieee80211_qos_data {
 799         struct ieee80211_qos_parameters parameters;
 800         int active;
 801         int supported;
 802         u8 param_count;
 803         u8 old_param_count;
 804 };
 805
 806 struct ieee80211_tim_parameters {
 807         u8 tim_count;
 808         u8 tim_period;
 809 } __attribute__ ((packed));
 810
 811 struct ieee80211_wmm_ac_param {
 812         u8 ac_aci_acm_aifsn;
 813         u8 ac_ecwmin_ecwmax;
 814         u16 ac_txop_limit;
 815 };
 816
 817 struct ieee80211_wmm_ts_info {
 818         u8 ac_dir_tid;
 819         u8 ac_up_psb;
 820         u8 reserved;
 821 } __attribute__ ((packed));
 822
 823 struct ieee80211_wmm_tspec_elem {
 824         struct ieee80211_wmm_ts_info ts_info;
 825         u16 norm_msdu_size;
 826         u16 max_msdu_size;
 827         u32 min_serv_inter;
 828         u32 max_serv_inter;
 829         u32 inact_inter;
 830         u32 suspen_inter;
 831         u32 serv_start_time;
 832         u32 min_data_rate;
 833         u32 mean_data_rate;
 834         u32 peak_data_rate;
 835         u32 max_burst_size;
 836         u32 delay_bound;
 837         u32 min_phy_rate;
 838         u16 surp_band_allow;
 839         u16 medium_time;
 840 }__attribute__((packed));
 841
 842 enum eap_type {
 843         EAP_PACKET = 0,
 844         EAPOL_START,
 845         EAPOL_LOGOFF,
 846         EAPOL_KEY,
 847         EAPOL_ENCAP_ASF_ALERT
 848 };
 849
 850 static const char *eap_types[] = {
 851         [EAP_PACKET]            = "EAP-Packet",
 852         [EAPOL_START]           = "EAPOL-Start",
 853         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 854         [EAPOL_KEY]             = "EAPOL-Key",
 855         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 856 };
 857
 858 static inline const char *eap_get_type(int type)
 859 {
 860         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 861 }
 862
 863 struct eapol {
 864         u8 snap[6];
 865         u16 ethertype;
 866         u8 version;
 867         u8 type;
 868         u16 length;
 869 } __attribute__ ((packed));
 870
 871 struct ieee80211_softmac_stats {
 872         unsigned int rx_ass_ok;
 873         unsigned int rx_ass_err;
 874         unsigned int rx_probe_rq;
 875         unsigned int tx_probe_rs;
 876         unsigned int tx_beacons;
 877         unsigned int rx_auth_rq;
 878         unsigned int rx_auth_rs_ok;
 879         unsigned int rx_auth_rs_err;
 880         unsigned int tx_auth_rq;
 881         unsigned int no_auth_rs;
 882         unsigned int no_ass_rs;
 883         unsigned int tx_ass_rq;
 884         unsigned int rx_ass_rq;
 885         unsigned int tx_probe_rq;
 886         unsigned int reassoc;
 887         unsigned int swtxstop;
 888         unsigned int swtxawake;
 889         unsigned char CurrentShowTxate;
 890         unsigned char last_packet_rate;
 891         unsigned int txretrycount;
 892 };
 893
 894 #define BEACON_PROBE_SSID_ID_POSITION 12
 895
 896 struct ieee80211_info_element_hdr {
 897         u8 id;
 898         u8 len;
 899 } __attribute__ ((packed));
 900
 901 /*
 902  * These are the data types that can make up management packets
 903  *
 904         u16 auth_algorithm;
 905         u16 auth_sequence;
 906         u16 beacon_interval;
 907         u16 capability;
 908         u8 current_ap[ETH_ALEN];
 909         u16 listen_interval;
 910         struct {
 911                 u16 association_id:14, reserved:2;
 912         } __attribute__ ((packed));
 913         u32 time_stamp[2];
 914         u16 reason;
 915         u16 status;
 916 */
 917
 918 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 919 #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
 920
 921 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 922 #define MAX_SP_Len  (WMM_all_frame << 4)
 923 #define IEEE80211_QOS_TID 0x0f
 924 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 925
 926 #define IEEE80211_DTIM_MBCAST 4
 927 #define IEEE80211_DTIM_UCAST 2
 928 #define IEEE80211_DTIM_VALID 1
 929 #define IEEE80211_DTIM_INVALID 0
 930
 931 #define IEEE80211_PS_DISABLED 0
 932 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 933 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 934
 935 //added by David for QoS 2006/6/30
 936 //#define WMM_Hang_8187
 937 #ifdef WMM_Hang_8187
 938 #undef WMM_Hang_8187
 939 #endif
 940
 941 #define WME_AC_BK   0x00
 942 #define WME_AC_BE   0x01
 943 #define WME_AC_VI   0x02
 944 #define WME_AC_VO   0x03
 945 #define WME_ACI_MASK 0x03
 946 #define WME_AIFSN_MASK 0x03
 947 #define WME_AC_PRAM_LEN 16
 948
 949 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 950 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 951 #define UP2AC(up) (                \
 952         ((up) < 1) ? WME_AC_BE : \
 953         ((up) < 3) ? WME_AC_BK : \
 954         ((up) < 4) ? WME_AC_BE : \
 955         ((up) < 6) ? WME_AC_VI : \
 956         WME_AC_VO)
 957
 958 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 959 #define AC2UP(_ac)      (       \
 960         ((_ac) == WME_AC_VO) ? 6 : \
 961         ((_ac) == WME_AC_VI) ? 5 : \
 962         ((_ac) == WME_AC_BK) ? 1 : \
 963         0)
 964
 965 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 966
 967 /* length of two Ethernet address plus ether type */
 968 #define ETHERNET_HEADER_SIZE    14
 969
 970 struct  ether_header {
 971         u8 ether_dhost[ETHER_ADDR_LEN];
 972         u8 ether_shost[ETHER_ADDR_LEN];
 973         u16 ether_type;
 974 } __attribute__((packed));
 975
 976 #ifndef ETHERTYPE_PAE
 977 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 978 #endif
 979 #ifndef ETHERTYPE_IP
 980 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 981 #endif
 982
 983 struct ieee80211_network {
 984         /* These entries are used to identify a unique network */
 985         u8 bssid[ETH_ALEN];
 986         u8 channel;
 987         /* Ensure null-terminated for any debug msgs */
 988         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 989         u8 ssid_len;
 990
 991         struct ieee80211_qos_data qos_data;
 992
 993         /* for LEAP */
 994         bool    bWithAironetIE;
 995         bool    bCkipSupported;
 996         bool    bCcxRmEnable;
 997         u16     CcxRmState[2];
 998
 999         /* CCXv4 S59, MBSSID. */
1000         bool    bMBssidValid;
1001         u8      MBssidMask;
1002         u8      MBssid[6];
1003
1004         /* CCX 2 S38, WLAN Device Version Number element. */
1005         bool    bWithCcxVerNum;
1006         u8      BssCcxVerNumber;
1007
1008         /* These are network statistics */
1009         struct ieee80211_rx_stats stats;
1010         u16 capability;
1011         u8  rates[MAX_RATES_LENGTH];
1012         u8  rates_len;
1013         u8  rates_ex[MAX_RATES_EX_LENGTH];
1014         u8  rates_ex_len;
1015         unsigned long last_scanned;
1016         u8  mode;
1017         u32 flags;
1018         u32 last_associate;
1019         u32 time_stamp[2];
1020         u16 beacon_interval;
1021         u16 listen_interval;
1022         u16 atim_window;
1023         u8  erp_value;
1024         u8  wpa_ie[MAX_WPA_IE_LEN];
1025         size_t wpa_ie_len;
1026         u8  rsn_ie[MAX_WPA_IE_LEN];
1027         size_t rsn_ie_len;
1028
1029         struct ieee80211_tim_parameters tim;
1030         u8  dtim_period;
1031         u8  dtim_data;
1032         u32 last_dtim_sta_time[2];
1033
1034         //appeded for QoS
1035         u8 wmm_info;
1036         struct ieee80211_wmm_ac_param wmm_param[4];
1037         u8 QoS_Enable;
1038         u8 Turbo_Enable;//enable turbo mode, added by thomas
1039         u16 CountryIeLen;
1040         u8 CountryIeBuf[MAX_IE_LEN];
1041
1042         /* HT Related */
1043         BSS_HT  bssht;
1044         /* Added to handle broadcom AP management frame CCK rate. */
1045         bool broadcom_cap_exist;
1046         bool realtek_cap_exit;
1047         bool marvell_cap_exist;
1048         bool ralink_cap_exist;
1049         bool atheros_cap_exist;
1050         bool cisco_cap_exist;
1051         bool unknown_cap_exist;
1052         bool berp_info_valid;
1053         bool buseprotection;
1054
1055         struct list_head list;  /* put at the end of the structure */
1056 };
1057
1058 enum ieee80211_state {
1059
1060         /* the card is not linked at all */
1061         IEEE80211_NOLINK = 0,
1062
1063         /* IEEE80211_ASSOCIATING* are for BSS client mode
1064          * the driver shall not perform RX filtering unless
1065          * the state is LINKED.
1066          * The driver shall just check for the state LINKED and
1067          * defaults to NOLINK for ALL the other states (including
1068          * LINKED_SCANNING)
1069          */
1070
1071         /* the association procedure will start (wq scheduling)*/
1072         IEEE80211_ASSOCIATING,
1073         IEEE80211_ASSOCIATING_RETRY,
1074
1075         /* the association procedure is sending AUTH request*/
1076         IEEE80211_ASSOCIATING_AUTHENTICATING,
1077
1078         /* the association procedure has successfully authentcated
1079          * and is sending association request
1080          */
1081         IEEE80211_ASSOCIATING_AUTHENTICATED,
1082
1083         /* the link is ok. the card associated to a BSS or linked
1084          * to a ibss cell or acting as an AP and creating the bss
1085          */
1086         IEEE80211_LINKED,
1087
1088         /* same as LINKED, but the driver shall apply RX filter
1089          * rules as we are in NO_LINK mode. As the card is still
1090          * logically linked, but it is doing a syncro site survey
1091          * then it will be back to LINKED state.
1092          */
1093         IEEE80211_LINKED_SCANNING,
1094
1095 };
1096
1097 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1098 #define DEFAULT_FTS 2346
1099
1100 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
1101 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
1102
1103 #define IEEE80211_24GHZ_MIN_CHANNEL 1
1104 #define IEEE80211_24GHZ_MAX_CHANNEL 14
1105 #define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
1106                                   IEEE80211_24GHZ_MIN_CHANNEL + 1)
1107
1108 #define IEEE80211_52GHZ_MIN_CHANNEL 34
1109 #define IEEE80211_52GHZ_MAX_CHANNEL 165
1110 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
1111                                   IEEE80211_52GHZ_MIN_CHANNEL + 1)
1112
1113 typedef struct tx_pending_t{
1114         int frag;
1115         struct ieee80211_txb *txb;
1116 }tx_pending_t;
1117
1118 enum {
1119         COUNTRY_CODE_FCC = 0,
1120         COUNTRY_CODE_IC = 1,
1121         COUNTRY_CODE_ETSI = 2,
1122         COUNTRY_CODE_SPAIN = 3,
1123         COUNTRY_CODE_FRANCE = 4,
1124         COUNTRY_CODE_MKK = 5,
1125         COUNTRY_CODE_MKK1 = 6,
1126         COUNTRY_CODE_ISRAEL = 7,
1127         COUNTRY_CODE_TELEC = 8,
1128         COUNTRY_CODE_MIC = 9,
1129         COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1130         COUNTRY_CODE_WORLD_WIDE_13 = 11,
1131         COUNTRY_CODE_TELEC_NETGEAR = 12,
1132         COUNTRY_CODE_MAX
1133 };
1134
1135 #include "ieee80211_r8192s.h"
1136
1137 struct ieee80211_device {
1138         struct net_device *dev;
1139         struct ieee80211_security sec;
1140
1141         /* hw security related */
1142         u8 hwsec_active;
1143         bool is_silent_reset;
1144         bool force_mic_error;
1145         bool is_roaming;
1146         bool ieee_up;
1147         bool bSupportRemoteWakeUp;
1148         RT_PS_MODE dot11PowerSaveMode;
1149         bool actscanning;
1150         bool be_scan_inprogress;
1151         bool beinretry;
1152         RT_RF_POWER_STATE eRFPowerState;
1153         u32 RfOffReason;
1154         bool is_set_key;
1155
1156         /* 11n HT below */
1157         PRT_HIGH_THROUGHPUT pHTInfo;
1158         spinlock_t bw_spinlock;
1159
1160         spinlock_t reorder_spinlock;
1161         /*
1162          * for HT operation rate set, we use this one for HT data rate to
1163          * separate different descriptors the way fill this is the same as
1164          * in the IE
1165          */
1166         u8      Regdot11HTOperationalRateSet[16];       /* use RATR format */
1167         u8      dot11HTOperationalRateSet[16];          /* use RATR format */
1168         u8      RegHTSuppRateSet[16];
1169         u8      HTCurrentOperaRate;
1170         u8      HTHighestOperaRate;
1171         /* for rate operation mode to firmware */
1172         u8      bTxDisableRateFallBack;
1173         u8      bTxUseDriverAssingedRate;
1174         atomic_t        atm_chnlop;
1175         atomic_t        atm_swbw;
1176
1177         /* 802.11e and WMM Traffic Stream Info (TX) */
1178         struct list_head        Tx_TS_Admit_List;
1179         struct list_head        Tx_TS_Pending_List;
1180         struct list_head        Tx_TS_Unused_List;
1181         TX_TS_RECORD            TxTsRecord[TOTAL_TS_NUM];
1182         /* 802.11e and WMM Traffic Stream Info (RX) */
1183         struct list_head        Rx_TS_Admit_List;
1184         struct list_head        Rx_TS_Pending_List;
1185         struct list_head        Rx_TS_Unused_List;
1186         RX_TS_RECORD            RxTsRecord[TOTAL_TS_NUM];
1187
1188         RX_REORDER_ENTRY        RxReorderEntry[128];
1189         struct list_head        RxReorder_Unused_List;
1190
1191         /* Qos related */
1192         /* Force per-packet priority 1~7. (default: 0, not to force it.) */
1193         u8 ForcedPriority;
1194
1195         /* Bookkeeping structures */
1196         struct net_device_stats stats;
1197         struct ieee80211_stats ieee_stats;
1198         struct ieee80211_softmac_stats softmac_stats;
1199
1200         /* Probe / Beacon management */
1201         struct list_head network_free_list;
1202         struct list_head network_list;
1203         struct ieee80211_network *networks;
1204         int scans;
1205         int scan_age;
1206
1207         int iw_mode; /* operating mode (IW_MODE_*) */
1208         struct iw_spy_data spy_data;
1209
1210         spinlock_t lock;
1211         spinlock_t wpax_suitlist_lock;
1212
1213         int tx_headroom; /* Set to size of any additional room needed at front
1214                           * of allocated Tx SKBs */
1215         u32 config;
1216
1217         /* WEP and other encryption related settings at the device level */
1218         int open_wep; /* Set to 1 to allow unencrypted frames */
1219         int auth_mode;
1220         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1221                                  * WEP key changes */
1222
1223         /* If the host performs {en,de}cryption, then set to 1 */
1224         int host_encrypt;
1225         int host_encrypt_msdu;
1226         int host_decrypt;
1227         /* host performs multicast decryption */
1228         int host_mc_decrypt;
1229
1230         /* host should strip IV and ICV from protected frames */
1231         /* meaningful only when hardware decryption is being used */
1232         int host_strip_iv_icv;
1233
1234         int host_open_frag;
1235         int host_build_iv;
1236         int ieee802_1x; /* is IEEE 802.1X used */
1237
1238         /* WPA data */
1239         bool bHalfWirelessN24GMode;
1240         int wpa_enabled;
1241         int drop_unencrypted;
1242         int tkip_countermeasures;
1243         int privacy_invoked;
1244         size_t wpa_ie_len;
1245         u8 *wpa_ie;
1246         u8 ap_mac_addr[6];
1247         u16 pairwise_key_type;
1248         u16 group_key_type;
1249         struct list_head crypt_deinit_list;
1250         struct ieee80211_crypt_data *crypt[WEP_KEYS];
1251         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
1252         struct timer_list crypt_deinit_timer;
1253         int crypt_quiesced;
1254
1255         int bcrx_sta_key; /* use individual keys to override default keys even
1256                            * with RX of broad/multicast frames */
1257
1258         /* Fragmentation structures */
1259         // each streaming contain a entry
1260         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
1261         unsigned int frag_next_idx[17];
1262         u16 fts; /* Fragmentation Threshold */
1263 #define DEFAULT_RTS_THRESHOLD 2346U
1264 #define MIN_RTS_THRESHOLD 1
1265 #define MAX_RTS_THRESHOLD 2346U
1266         u16 rts; /* RTS threshold */
1267
1268         /* Association info */
1269         u8 bssid[ETH_ALEN];
1270
1271         /* This stores infos for the current network.
1272          * Either the network we are associated in INFRASTRUCTURE
1273          * or the network that we are creating in MASTER mode.
1274          * ad-hoc is a mixture ;-).
1275          * Note that in infrastructure mode, even when not associated,
1276          * fields bssid and essid may be valid (if wpa_set and essid_set
1277          * are true) as thy carry the value set by the user via iwconfig
1278          */
1279         struct ieee80211_network current_network;
1280
1281         enum ieee80211_state state;
1282
1283         int short_slot;
1284         int reg_mode;
1285         int mode;       /* A, B, G */
1286         int modulation; /* CCK, OFDM */
1287         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
1288         int abg_true;   /* ABG flag              */
1289
1290         /* used for forcing the ibss workqueue to terminate
1291          * without wait for the syncro scan to terminate
1292          */
1293         short sync_scan_hurryup;
1294         u16 scan_watch_dog;
1295         int perfect_rssi;
1296         int worst_rssi;
1297
1298         u16 prev_seq_ctl;       /* used to drop duplicate frames */
1299
1300         /*
1301          * map of allowed channels. 0 is dummy, FIXME: remeber to default to
1302          * a basic channel plan depending of the PHY type
1303          */
1304         void *pDot11dInfo;
1305         bool bGlobalDomain;
1306
1307         u8   IbssStartChnl;
1308         u8   ibss_maxjoin_chal;
1309
1310         int rate;       /* current rate */
1311         int basic_rate;
1312         //FIXME: pleace callback, see if redundant with softmac_features
1313         short active_scan;
1314
1315         /* this contains flags for selectively enable softmac support */
1316         u16 softmac_features;
1317
1318         /* if the sequence control field is not filled by HW */
1319         u16 seq_ctrl[5];
1320
1321         /* association procedure transaction sequence number */
1322         u16 associate_seq;
1323
1324         /* AID for RTXed association responses */
1325         u16 assoc_id;
1326
1327         /* power save mode related*/
1328         u8 ack_tx_to_ieee;
1329         short ps;
1330         short sta_sleep;
1331         int ps_timeout;
1332         int ps_period;
1333         struct tasklet_struct ps_task;
1334         u32 ps_th;
1335         u32 ps_tl;
1336
1337         short raw_tx;
1338         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1339         short queue_stop;
1340         short scanning;
1341         short proto_started;
1342
1343         struct semaphore wx_sem;
1344         struct semaphore scan_sem;
1345
1346         spinlock_t mgmt_tx_lock;
1347         spinlock_t beacon_lock;
1348
1349         short beacon_txing;
1350
1351         short wap_set;
1352         short ssid_set;
1353
1354         u8  wpax_type_set;    //{added by David, 2006.9.28}
1355         u32 wpax_type_notify; //{added by David, 2006.9.26}
1356
1357         /* QoS related flag */
1358         char init_wmmparam_flag;
1359         /* set on initialization */
1360         u8  qos_support;
1361
1362         /* for discarding duplicated packets in IBSS */
1363         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1364
1365         /* for discarding duplicated packets in BSS */
1366         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1367         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1368         unsigned long last_packet_time[17];
1369
1370         /* for PS mode */
1371         unsigned long last_rx_ps_time;
1372
1373         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1374         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1375         int mgmt_queue_head;
1376         int mgmt_queue_tail;
1377
1378 /* rtl819x start */
1379         u8 AsocRetryCount;
1380         unsigned int hw_header;
1381         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1382         struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
1383         struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
1384         u32 sta_edca_param[4];
1385         bool aggregation;
1386         /* Enable/Disable Rx immediate BA capability. */
1387         bool enable_rx_imm_BA;
1388         bool bibsscoordinator;
1389
1390         /* Dynamic Tx power for near/far range enable/disable. */
1391         bool bdynamic_txpower_enable;
1392
1393         bool bCTSToSelfEnable;
1394         u8 CTSToSelfTH;
1395
1396         u32     fsync_time_interval;
1397         u32     fsync_rate_bitmap;
1398         u8      fsync_rssi_threshold;
1399         bool    bfsync_enable;
1400
1401         u8      fsync_multiple_timeinterval;    /* value * FsyncTimeInterval */
1402         u32     fsync_firstdiff_ratethreshold;  /* low threshold */
1403         u32     fsync_seconddiff_ratethreshold; /* decrease threshold */
1404         Fsync_State     fsync_state;
1405         bool            bis_any_nonbepkts;
1406         /* 20Mhz 40Mhz AutoSwitch Threshold */
1407         struct bandwidth_autoswitch bandwidth_auto_switch;
1408         /* for txpower tracking */
1409         bool FwRWRF;
1410
1411         /* for AP roaming */
1412         struct rt_link_detect LinkDetectInfo;
1413
1414         struct rt_power_save_control PowerSaveControl;
1415 /* rtl819x end */
1416
1417         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1418         struct  tx_pending_t tx_pending;
1419
1420         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1421         struct timer_list associate_timer;
1422
1423         /* used if IEEE_SOFTMAC_BEACONS is set */
1424         struct timer_list beacon_timer;
1425         struct work_struct associate_complete_wq;
1426         struct work_struct associate_procedure_wq;
1427         struct delayed_work softmac_scan_wq;
1428         struct delayed_work associate_retry_wq;
1429         struct delayed_work start_ibss_wq;
1430         struct delayed_work hw_wakeup_wq;
1431         struct delayed_work hw_sleep_wq;
1432         struct delayed_work link_change_wq;
1433         struct work_struct wx_sync_scan_wq;
1434         struct workqueue_struct *wq;
1435
1436         /* Callback functions */
1437         void (*set_security)(struct net_device *dev,
1438                              struct ieee80211_security *sec);
1439
1440         /* Used to TX data frame by using txb structs.
1441          * this is not used if in the softmac_features
1442          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1443          */
1444         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1445                                struct net_device *dev);
1446
1447         int (*reset_port)(struct net_device *dev);
1448         int (*is_queue_full)(struct net_device *dev, int pri);
1449
1450         int (*handle_management)(struct net_device *dev,
1451                                  struct ieee80211_network *network, u16 type);
1452         int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb);
1453
1454         /* Softmac-generated frames (mamagement) are TXed via this
1455          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1456          * not set. As some cards may have different HW queues that
1457          * one might want to use for data and management frames
1458          * the option to have two callbacks might be useful.
1459          * This fucntion can't sleep.
1460          */
1461         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1462                                struct net_device *dev);
1463
1464         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1465          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1466          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1467          * then also management frames are sent via this callback.
1468          * This function can't sleep.
1469          */
1470         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1471                                struct net_device *dev,int rate);
1472
1473         /* stops the HW queue for DATA frames. Useful to avoid
1474          * waste time to TX data frame when we are reassociating
1475          * This function can sleep.
1476          */
1477         void (*data_hard_stop)(struct net_device *dev);
1478
1479         /* OK this is complementar to data_poll_hard_stop */
1480         void (*data_hard_resume)(struct net_device *dev);
1481
1482         /* ask to the driver to retune the radio .
1483          * This function can sleep. the driver should ensure
1484          * the radio has been swithced before return.
1485          */
1486         void (*set_chan)(struct net_device *dev,short ch);
1487
1488         /* These are not used if the ieee stack takes care of
1489          * scanning (IEEE_SOFTMAC_SCAN feature set).
1490          * In this case only the set_chan is used.
1491          *
1492          * The syncro version is similar to the start_scan but
1493          * does not return until all channels has been scanned.
1494          * this is called in user context and should sleep,
1495          * it is called in a work_queue when swithcing to ad-hoc mode
1496          * or in behalf of iwlist scan when the card is associated
1497          * and root user ask for a scan.
1498          * the fucntion stop_scan should stop both the syncro and
1499          * background scanning and can sleep.
1500          * The fucntion start_scan should initiate the background
1501          * scanning and can't sleep.
1502          */
1503         void (*scan_syncro)(struct net_device *dev);
1504         void (*start_scan)(struct net_device *dev);
1505         void (*stop_scan)(struct net_device *dev);
1506
1507         /* indicate the driver that the link state is changed
1508          * for example it may indicate the card is associated now.
1509          * Driver might be interested in this to apply RX filter
1510          * rules or simply light the LINK led
1511          */
1512         void (*link_change)(struct net_device *dev);
1513
1514         /* these two function indicates to the HW when to start
1515          * and stop to send beacons. This is used when the
1516          * IEEE_SOFTMAC_BEACONS is not set. For now the
1517          * stop_send_bacons is NOT guaranteed to be called only
1518          * after start_send_beacons.
1519          */
1520         void (*start_send_beacons) (struct net_device *dev);
1521         void (*stop_send_beacons) (struct net_device *dev);
1522
1523         /* power save mode related */
1524         void (*sta_wake_up) (struct net_device *dev);
1525         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1526         short (*ps_is_queue_empty) (struct net_device *dev);
1527
1528         int (*handle_beacon)(struct net_device *dev,
1529                              struct ieee80211_probe_response *beacon,
1530                              struct ieee80211_network *network);
1531         int (*handle_assoc_response)(struct net_device *dev,
1532                                 struct ieee80211_assoc_response_frame *resp,
1533                                 struct ieee80211_network *network);
1534
1535         /* check whether Tx hw resouce available */
1536         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1537         /* HT related */
1538         void (*SetBWModeHandler)(struct net_device *dev,
1539                                  HT_CHANNEL_WIDTH Bandwidth,
1540                                  HT_EXTCHNL_OFFSET Offset);
1541         bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
1542         void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
1543         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
1544         bool (*is_ap_in_wep_tkip)(struct net_device* dev);
1545         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1546         bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
1547         void (*LedControlHandler)(struct net_device *dev,
1548                                   LED_CTL_MODE LedAction);
1549         /* This must be the last item so that it points to the data
1550          * allocated beyond this structure by alloc_ieee80211 */
1551         u8 priv[0];
1552 };
1553
1554 #define IEEE_A            (1<<0)
1555 #define IEEE_B            (1<<1)
1556 #define IEEE_G            (1<<2)
1557 #define IEEE_N_24G                (1<<4)
1558 #define IEEE_N_5G                 (1<<5)
1559 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1560
1561 /* Generate a 802.11 header */
1562
1563 /* Uses the channel change callback directly
1564  * instead of [start/stop] scan callbacks
1565  */
1566 #define IEEE_SOFTMAC_SCAN (1<<2)
1567
1568 /* Perform authentication and association handshake */
1569 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1570
1571 /* Generate probe requests */
1572 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1573
1574 /* Generate respones to probe requests */
1575 #define IEEE_SOFTMAC_PROBERS (1<<5)
1576
1577 /* The ieee802.11 stack will manages the netif queue
1578  * wake/stop for the driver, taking care of 802.11
1579  * fragmentation. See softmac.c for details. */
1580 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1581
1582 /* Uses only the softmac_data_hard_start_xmit
1583  * even for TX management frames.
1584  */
1585 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1586
1587 /* Generate beacons.  The stack will enqueue beacons
1588  * to the card
1589  */
1590 #define IEEE_SOFTMAC_BEACONS (1<<6)
1591
1592 static inline void *ieee80211_priv(struct net_device *dev)
1593 {
1594         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1595 }
1596
1597 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1598 {
1599         /* Single white space is for Linksys APs */
1600         if (essid_len == 1 && essid[0] == ' ')
1601                 return 1;
1602
1603         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1604         while (essid_len) {
1605                 essid_len--;
1606                 if (essid[essid_len] != '\0')
1607                         return 0;
1608         }
1609
1610         return 1;
1611 }
1612
1613 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1614 {
1615         /*
1616          * It is possible for both access points and our device to support
1617          * combinations of modes, so as long as there is one valid combination
1618          * of ap/device supported modes, then return success
1619          *
1620          */
1621         if ((mode & IEEE_A) &&
1622             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1623             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1624                 return 1;
1625
1626         if ((mode & IEEE_G) &&
1627             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1628             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1629                 return 1;
1630
1631         if ((mode & IEEE_B) &&
1632             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1633             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1634                 return 1;
1635
1636         return 0;
1637 }
1638
1639 extern inline int ieee80211_get_hdrlen(u16 fc)
1640 {
1641         int hdrlen = IEEE80211_3ADDR_LEN;
1642
1643         switch (WLAN_FC_GET_TYPE(fc)) {
1644         case IEEE80211_FTYPE_DATA:
1645                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1646                         hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */
1647                 if(IEEE80211_QOS_HAS_SEQ(fc))
1648                         hdrlen += 2; /* QOS ctrl*/
1649                 break;
1650         case IEEE80211_FTYPE_CTL:
1651                 switch (WLAN_FC_GET_STYPE(fc)) {
1652                 case IEEE80211_STYPE_CTS:
1653                 case IEEE80211_STYPE_ACK:
1654                         hdrlen = IEEE80211_1ADDR_LEN;
1655                         break;
1656                 default:
1657                         hdrlen = IEEE80211_2ADDR_LEN;
1658                         break;
1659                 }
1660                 break;
1661         }
1662
1663         return hdrlen;
1664 }
1665
1666 static inline u8 *ieee80211_get_payload(struct rtl_ieee80211_hdr *hdr)
1667 {
1668         switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1669         case IEEE80211_1ADDR_LEN:
1670                 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1671         case IEEE80211_2ADDR_LEN:
1672                 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1673         case IEEE80211_3ADDR_LEN:
1674                 return (void *)hdr+sizeof(struct ieee80211_hdr_3addr);
1675         case IEEE80211_4ADDR_LEN:
1676                 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1677         }
1678         return NULL;
1679 }
1680
1681 static inline int ieee80211_is_ofdm_rate(u8 rate)
1682 {
1683         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1684         case IEEE80211_OFDM_RATE_6MB:
1685         case IEEE80211_OFDM_RATE_9MB:
1686         case IEEE80211_OFDM_RATE_12MB:
1687         case IEEE80211_OFDM_RATE_18MB:
1688         case IEEE80211_OFDM_RATE_24MB:
1689         case IEEE80211_OFDM_RATE_36MB:
1690         case IEEE80211_OFDM_RATE_48MB:
1691         case IEEE80211_OFDM_RATE_54MB:
1692                 return 1;
1693         }
1694         return 0;
1695 }
1696
1697 static inline int ieee80211_is_cck_rate(u8 rate)
1698 {
1699         switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1700         case IEEE80211_CCK_RATE_1MB:
1701         case IEEE80211_CCK_RATE_2MB:
1702         case IEEE80211_CCK_RATE_5MB:
1703         case IEEE80211_CCK_RATE_11MB:
1704                 return 1;
1705         }
1706         return 0;
1707 }
1708
1709
1710 /* ieee80211.c */
1711 extern void free_ieee80211(struct net_device *dev);
1712 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1713
1714 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1715
1716 /* ieee80211_tx.c */
1717
1718 extern int ieee80211_encrypt_fragment(
1719         struct ieee80211_device *ieee,
1720         struct sk_buff *frag,
1721         int hdr_len);
1722
1723 extern int rtl8192_ieee80211_rtl_xmit(struct sk_buff *skb,
1724                           struct net_device *dev);
1725 extern void ieee80211_txb_free(struct ieee80211_txb *);
1726
1727
1728 /* ieee80211_rx.c */
1729 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1730                         struct ieee80211_rx_stats *rx_stats);
1731 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1732                              struct ieee80211_hdr_4addr *header,
1733                              struct ieee80211_rx_stats *stats);
1734
1735 /* ieee80211_wx.c */
1736 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1737                                  struct iw_request_info *info,
1738                                  union iwreq_data *wrqu, char *key);
1739 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1740                                    struct iw_request_info *info,
1741                                    union iwreq_data *wrqu, char *key);
1742 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1743                                    struct iw_request_info *info,
1744                                    union iwreq_data *wrqu, char *key);
1745 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1746                             struct iw_request_info *info,
1747                             union iwreq_data* wrqu, char *extra);
1748 extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1749                                struct iw_request_info *info,
1750                                struct iw_param *data, char *extra);
1751 extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1752                                struct iw_request_info *info,
1753                                union iwreq_data *wrqu, char *extra);
1754 extern int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1755
1756 /* ieee80211_softmac.c */
1757 extern short ieee80211_is_54g(struct ieee80211_network net);
1758 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1759 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1760                         struct ieee80211_rx_stats *rx_stats, u16 type,
1761                         u16 stype);
1762 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1763
1764 void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
1765 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1766
1767 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1768 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1769 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1770 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1771 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1772 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1773 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1774 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1775 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1776 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1777 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1778 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1779 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1780 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1781 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1782 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1783 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1784 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1785 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1786 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1787 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1788 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1789 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1790 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1791 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1792 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1793
1794 extern void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
1795
1796 /* ieee80211_crypt_ccmp&tkip&wep.c */
1797 extern void ieee80211_tkip_null(void);
1798 extern void ieee80211_wep_null(void);
1799 extern void ieee80211_ccmp_null(void);
1800
1801 /* ieee80211_softmac_wx.c */
1802
1803 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1804                             struct iw_request_info *info,
1805                             union iwreq_data *wrqu, char *ext);
1806
1807 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1808                          struct iw_request_info *info,
1809                          union iwreq_data *awrq,
1810                          char *extra);
1811
1812 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1813
1814 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1815                              struct iw_request_info *info,
1816                              union iwreq_data *wrqu, char *extra);
1817
1818 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1819                              struct iw_request_info *info,
1820                              union iwreq_data *wrqu, char *extra);
1821
1822 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1823                              union iwreq_data *wrqu, char *b);
1824
1825 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1826                              union iwreq_data *wrqu, char *b);
1827
1828 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1829                               struct iw_request_info *a,
1830                               union iwreq_data *wrqu, char *extra);
1831
1832 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1833                              union iwreq_data *wrqu, char *b);
1834
1835 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1836                              union iwreq_data *wrqu, char *b);
1837
1838 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1839                              union iwreq_data *wrqu, char *b);
1840
1841 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1842
1843 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1844                                struct iw_request_info *info,
1845                                union iwreq_data *wrqu, char *extra);
1846
1847 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1848                              struct iw_request_info *info,
1849                              union iwreq_data *wrqu, char *extra);
1850
1851 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1852                                  struct iw_request_info *info,
1853                                  union iwreq_data *wrqu, char *extra);
1854
1855 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1856                                  struct iw_request_info *info,
1857                                  union iwreq_data *wrqu, char *extra);
1858
1859 extern int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
1860                              struct iw_request_info *info,
1861                              union iwreq_data *wrqu, char *extra);
1862
1863 extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
1864                              struct iw_request_info *info,
1865                              union iwreq_data *wrqu, char *extra);
1866
1867 extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
1868
1869 extern const long ieee80211_wlan_frequencies[];
1870
1871 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1872 {
1873         ieee->scans++;
1874 }
1875
1876 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1877 {
1878         return ieee->scans;
1879 }
1880
1881 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1882         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1883         const char *s = essid;
1884         char *d = escaped;
1885
1886         if (ieee80211_is_empty_essid(essid, essid_len)) {
1887                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1888                 return escaped;
1889         }
1890
1891         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1892         while (essid_len--) {
1893                 if (*s == '\0') {
1894                         *d++ = '\\';
1895                         *d++ = '0';
1896                         s++;
1897                 } else {
1898                         *d++ = *s++;
1899                 }
1900         }
1901         *d = '\0';
1902         return escaped;
1903 }
1904
1905 /* For the function is more related to hardware setting, it's better to use the
1906  * ieee handler to refer to it.
1907  */
1908 extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
1909 extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
1910 extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
1911                 struct ieee80211_info_element *info_element,
1912                 u16 length,
1913                 struct ieee80211_network *network,
1914                 struct ieee80211_rx_stats *stats);
1915
1916 extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
1917                                        struct ieee80211_rxb **prxbIndicateArray,
1918                                        u8 index);
1919 #define RT_ASOC_RETRY_LIMIT     5
1920 #endif /* IEEE80211_H */