release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/rtl8187se/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/jiffies.h>
  30 #include <linux/timer.h>
  31 #include <linux/sched.h>
  32 #include <linux/semaphore.h>
  33 #include <linux/wireless.h>
  34 #include <linux/ieee80211.h>
  35
  36 #define KEY_TYPE_NA             0x0
  37 #define KEY_TYPE_WEP40          0x1
  38 #define KEY_TYPE_TKIP           0x2
  39 #define KEY_TYPE_CCMP           0x4
  40 #define KEY_TYPE_WEP104         0x5
  41
  42 #define aSifsTime                                       10
  43
  44 #define MGMT_QUEUE_NUM 5
  45
  46
  47 #define IEEE_CMD_SET_WPA_PARAM                  1
  48 #define IEEE_CMD_SET_WPA_IE                     2
  49 #define IEEE_CMD_SET_ENCRYPTION                 3
  50 #define IEEE_CMD_MLME                           4
  51
  52 #define IEEE_PARAM_WPA_ENABLED                  1
  53 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  54 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  55 #define IEEE_PARAM_PRIVACY_INVOKED              4
  56 #define IEEE_PARAM_AUTH_ALGS                    5
  57 #define IEEE_PARAM_IEEE_802_1X                  6
  58 //It should consistent with the driver_XXX.c
  59 //   David, 2006.9.26
  60 #define IEEE_PARAM_WPAX_SELECT                  7
  61 //Added for notify the encryption type selection
  62 //   David, 2006.9.26
  63 #define IEEE_PROTO_WPA                          1
  64 #define IEEE_PROTO_RSN                          2
  65 //Added for notify the encryption type selection
  66 //   David, 2006.9.26
  67 #define IEEE_WPAX_USEGROUP                      0
  68 #define IEEE_WPAX_WEP40                         1
  69 #define IEEE_WPAX_TKIP                          2
  70 #define IEEE_WPAX_WRAP                          3
  71 #define IEEE_WPAX_CCMP                          4
  72 #define IEEE_WPAX_WEP104                        5
  73
  74 #define IEEE_KEY_MGMT_IEEE8021X                 1
  75 #define IEEE_KEY_MGMT_PSK                       2
  76
  77
  78
  79 #define IEEE_MLME_STA_DEAUTH                    1
  80 #define IEEE_MLME_STA_DISASSOC                  2
  81
  82
  83 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  84 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  85 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED                4
  86 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  87 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED                6
  88 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  89
  90
  91 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  92
  93 //by amy for ps
  94 typedef struct ieee_param {
  95         u32 cmd;
  96         u8 sta_addr[ETH_ALEN];
  97         union {
  98                 struct {
  99                         u8 name;
 100                         u32 value;
 101                 } wpa_param;
 102                 struct {
 103                         u32 len;
 104                         u8 reserved[32];
 105                         u8 data[0];
 106                 } wpa_ie;
 107                 struct{
 108                         int command;
 109                         int reason_code;
 110                 } mlme;
 111                 struct {
 112                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 113                         u8 set_tx;
 114                         u32 err;
 115                         u8 idx;
 116                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 117                         u16 key_len;
 118                         u8 key[0];
 119                 } crypt;
 120
 121         } u;
 122 }ieee_param;
 123
 124
 125 #define MSECS(t) msecs_to_jiffies(t)
 126 #define msleep_interruptible_rtl  msleep_interruptible
 127
 128 #define IEEE80211_DATA_LEN              2304
 129 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 130    6.2.1.1.2.
 131
 132    The figure in section 7.1.2 suggests a body size of up to 2312
 133    bytes is allowed, which is a bit confusing, I suspect this
 134    represents the 2304 bytes of real data, plus a possible 8 bytes of
 135    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 136
 137 #define IEEE80211_3ADDR_LEN 24
 138 #define IEEE80211_4ADDR_LEN 30
 139 #define IEEE80211_FCS_LEN    4
 140 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 141 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 142 #define IEEE80211_MGMT_HDR_LEN 24
 143 #define IEEE80211_DATA_HDR3_LEN 24
 144 #define IEEE80211_DATA_HDR4_LEN 30
 145
 146 #define MIN_FRAG_THRESHOLD     256U
 147 #define MAX_FRAG_THRESHOLD     2346U
 148
 149 /* Frame control field constants */
 150 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 151 #define IEEE80211_FCTL_WEP              0x4000
 152
 153 /* debug macros */
 154
 155 #ifdef CONFIG_IEEE80211_DEBUG
 156 extern u32 ieee80211_debug_level;
 157 #define IEEE80211_DEBUG(level, fmt, args...) \
 158 do { if (ieee80211_debug_level & (level)) \
 159   printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
 160          in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
 161 #else
 162 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 163 #endif  /* CONFIG_IEEE80211_DEBUG */
 164
 165
 166 #define IEEE80211_DL_INFO          (1<<0)
 167 #define IEEE80211_DL_WX            (1<<1)
 168 #define IEEE80211_DL_SCAN          (1<<2)
 169 #define IEEE80211_DL_STATE         (1<<3)
 170 #define IEEE80211_DL_MGMT          (1<<4)
 171 #define IEEE80211_DL_FRAG          (1<<5)
 172 #define IEEE80211_DL_EAP           (1<<6)
 173 #define IEEE80211_DL_DROP          (1<<7)
 174
 175 #define IEEE80211_DL_TX            (1<<8)
 176 #define IEEE80211_DL_RX            (1<<9)
 177
 178 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 179 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 180 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 181
 182 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 183 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 184 //#define IEEE_DEBUG_SCAN  IEEE80211_WARNING
 185 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 186 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 187 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 188 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 189 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 190 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 191 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 192 #include <linux/netdevice.h>
 193 #include <linux/wireless.h>
 194 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 195
 196 #ifndef WIRELESS_SPY
 197 #define WIRELESS_SPY            // enable iwspy support
 198 #endif
 199 #include <net/iw_handler.h>     // new driver API
 200
 201 #ifndef ETH_P_PAE
 202 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 203 #endif /* ETH_P_PAE */
 204
 205 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 206
 207 #ifndef ETH_P_80211_RAW
 208 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 209 #endif
 210
 211 /* IEEE 802.11 defines */
 212
 213 #define P80211_OUI_LEN 3
 214
 215 struct ieee80211_snap_hdr {
 216
 217         u8    dsap;   /* always 0xAA */
 218         u8    ssap;   /* always 0xAA */
 219         u8    ctrl;   /* always 0x03 */
 220         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 221
 222 } __attribute__ ((packed));
 223
 224 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 225
 226 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 227 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 228
 229 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 230 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)
 231
 232 #define WLAN_CAPABILITY_BSS (1<<0)
 233 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 234
 235 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 236 #define IEEE80211_STATMASK_RSSI (1<<1)
 237 #define IEEE80211_STATMASK_NOISE (1<<2)
 238 #define IEEE80211_STATMASK_RATE (1<<3)
 239 #define IEEE80211_STATMASK_WEMASK 0x7
 240
 241
 242 #define IEEE80211_CCK_MODULATION    (1<<0)
 243 #define IEEE80211_OFDM_MODULATION   (1<<1)
 244
 245 #define IEEE80211_24GHZ_BAND     (1<<0)
 246 #define IEEE80211_52GHZ_BAND     (1<<1)
 247
 248 #define IEEE80211_CCK_RATE_LEN                  4
 249 #define IEEE80211_CCK_RATE_1MB                  0x02
 250 #define IEEE80211_CCK_RATE_2MB                  0x04
 251 #define IEEE80211_CCK_RATE_5MB                  0x0B
 252 #define IEEE80211_CCK_RATE_11MB                 0x16
 253 #define IEEE80211_OFDM_RATE_LEN                 8
 254 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 255 #define IEEE80211_OFDM_RATE_9MB                 0x12
 256 #define IEEE80211_OFDM_RATE_12MB                0x18
 257 #define IEEE80211_OFDM_RATE_18MB                0x24
 258 #define IEEE80211_OFDM_RATE_24MB                0x30
 259 #define IEEE80211_OFDM_RATE_36MB                0x48
 260 #define IEEE80211_OFDM_RATE_48MB                0x60
 261 #define IEEE80211_OFDM_RATE_54MB                0x6C
 262 #define IEEE80211_BASIC_RATE_MASK               0x80
 263
 264 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 265 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 266 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 267 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 268 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 269 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 270 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 271 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 272 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 273 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 274 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 275 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 276
 277 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 278 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 279         IEEE80211_CCK_RATE_2MB_MASK)
 280 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 281         IEEE80211_CCK_RATE_5MB_MASK | \
 282         IEEE80211_CCK_RATE_11MB_MASK)
 283
 284 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 285 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 286         IEEE80211_OFDM_RATE_12MB_MASK | \
 287         IEEE80211_OFDM_RATE_24MB_MASK)
 288 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 289         IEEE80211_OFDM_RATE_9MB_MASK  | \
 290         IEEE80211_OFDM_RATE_18MB_MASK | \
 291         IEEE80211_OFDM_RATE_36MB_MASK | \
 292         IEEE80211_OFDM_RATE_48MB_MASK | \
 293         IEEE80211_OFDM_RATE_54MB_MASK)
 294 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 295                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 296
 297 #define IEEE80211_NUM_OFDM_RATES            8
 298 #define IEEE80211_NUM_CCK_RATES             4
 299 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 300
 301 /* this is stolen and modified from the madwifi driver*/
 302 #define IEEE80211_FC0_TYPE_MASK         0x0c
 303 #define IEEE80211_FC0_TYPE_DATA         0x08
 304 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 305 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 306
 307 #define IEEE80211_QOS_HAS_SEQ(fc) \
 308         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 309          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 310
 311 /* this is stolen from ipw2200 driver */
 312 #define IEEE_IBSS_MAC_HASH_SIZE 31
 313 struct ieee_ibss_seq {
 314         u8 mac[ETH_ALEN];
 315         u16 seq_num[17];
 316         u16 frag_num[17];
 317         unsigned long packet_time[17];
 318         struct list_head list;
 319 };
 320
 321 /* NOTE: This data is for statistical purposes; not all hardware provides this
 322  *       information for frames received.  Not setting these will not cause
 323  *       any adverse affects. */
 324 struct ieee80211_rx_stats {
 325         u32 mac_time[2];
 326         u8 signalstrength;
 327         s8 rssi;
 328         u8 signal;
 329         u8 noise;
 330         u16 rate; /* in 100 kbps */
 331         u8 received_channel;
 332         u8 control;
 333         u8 mask;
 334         u8 freq;
 335         u16 len;
 336         u8 nic_type;
 337 };
 338
 339 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 340  * three fragmented frames. This define can be increased to support more
 341  * concurrent frames, but it should be noted that each entry can consume about
 342  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 343 #define IEEE80211_FRAG_CACHE_LEN 4
 344
 345 struct ieee80211_frag_entry {
 346         unsigned long first_frag_time;
 347         unsigned int seq;
 348         unsigned int last_frag;
 349         struct sk_buff *skb;
 350         u8 src_addr[ETH_ALEN];
 351         u8 dst_addr[ETH_ALEN];
 352 };
 353
 354 struct ieee80211_stats {
 355         unsigned int tx_unicast_frames;
 356         unsigned int tx_multicast_frames;
 357         unsigned int tx_fragments;
 358         unsigned int tx_unicast_octets;
 359         unsigned int tx_multicast_octets;
 360         unsigned int tx_deferred_transmissions;
 361         unsigned int tx_single_retry_frames;
 362         unsigned int tx_multiple_retry_frames;
 363         unsigned int tx_retry_limit_exceeded;
 364         unsigned int tx_discards;
 365         unsigned int rx_unicast_frames;
 366         unsigned int rx_multicast_frames;
 367         unsigned int rx_fragments;
 368         unsigned int rx_unicast_octets;
 369         unsigned int rx_multicast_octets;
 370         unsigned int rx_fcs_errors;
 371         unsigned int rx_discards_no_buffer;
 372         unsigned int tx_discards_wrong_sa;
 373         unsigned int rx_discards_undecryptable;
 374         unsigned int rx_message_in_msg_fragments;
 375         unsigned int rx_message_in_bad_msg_fragments;
 376 };
 377
 378 struct ieee80211_device;
 379
 380 #include "ieee80211_crypt.h"
 381
 382 #define SEC_KEY_1         (1<<0)
 383 #define SEC_KEY_2         (1<<1)
 384 #define SEC_KEY_3         (1<<2)
 385 #define SEC_KEY_4         (1<<3)
 386 #define SEC_ACTIVE_KEY    (1<<4)
 387 #define SEC_AUTH_MODE     (1<<5)
 388 #define SEC_UNICAST_GROUP (1<<6)
 389 #define SEC_LEVEL         (1<<7)
 390 #define SEC_ENABLED       (1<<8)
 391
 392 #define SEC_LEVEL_0      0 /* None */
 393 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 394 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 395 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 396 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 397
 398 #define WEP_KEYS 4
 399 #define WEP_KEY_LEN 13
 400
 401 #define WEP_KEY_LEN_MODIF 32
 402
 403 struct ieee80211_security {
 404         u16 active_key:2,
 405             enabled:1,
 406             auth_mode:2,
 407             auth_algo:4,
 408             unicast_uses_group:1;
 409         u8 key_sizes[WEP_KEYS];
 410         u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF];
 411         u8 level;
 412         u16 flags;
 413 } __attribute__ ((packed));
 414
 415
 416 /*
 417
 418  802.11 data frame from AP
 419
 420       ,-------------------------------------------------------------------.
 421 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 422       |------|------|---------|---------|---------|------|---------|------|
 423 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 424       |      | tion | (BSSID) |         |         | ence |  data   |      |
 425       `-------------------------------------------------------------------'
 426
 427 Total: 28-2340 bytes
 428
 429 */
 430
 431 /* Management Frame Information Element Types */
 432 enum {
 433         MFIE_TYPE_SSID = 0,
 434         MFIE_TYPE_RATES = 1,
 435         MFIE_TYPE_FH_SET = 2,
 436         MFIE_TYPE_DS_SET = 3,
 437         MFIE_TYPE_CF_SET = 4,
 438         MFIE_TYPE_TIM = 5,
 439         MFIE_TYPE_IBSS_SET = 6,
 440         MFIE_TYPE_COUNTRY = 7,
 441         MFIE_TYPE_CHALLENGE = 16,
 442         MFIE_TYPE_ERP = 42,
 443         MFIE_TYPE_RSN = 48,
 444         MFIE_TYPE_RATES_EX = 50,
 445         MFIE_TYPE_GENERIC = 221,
 446 };
 447
 448 struct ieee80211_header_data {
 449         u16 frame_ctl;
 450         u16 duration_id;
 451         u8 addr1[6];
 452         u8 addr2[6];
 453         u8 addr3[6];
 454         u16 seq_ctrl;
 455 };
 456
 457 struct ieee80211_hdr_4addr {
 458         u16 frame_ctl;
 459         u16 duration_id;
 460         u8 addr1[ETH_ALEN];
 461         u8 addr2[ETH_ALEN];
 462         u8 addr3[ETH_ALEN];
 463         u16 seq_ctl;
 464         u8 addr4[ETH_ALEN];
 465 } __attribute__ ((packed));
 466
 467 struct ieee80211_hdr_3addrqos {
 468         u16 frame_ctl;
 469         u16 duration_id;
 470         u8 addr1[ETH_ALEN];
 471         u8 addr2[ETH_ALEN];
 472         u8 addr3[ETH_ALEN];
 473         u16 seq_ctl;
 474         u16 qos_ctl;
 475 } __attribute__ ((packed));
 476
 477 struct ieee80211_hdr_4addrqos {
 478         u16 frame_ctl;
 479         u16 duration_id;
 480         u8 addr1[ETH_ALEN];
 481         u8 addr2[ETH_ALEN];
 482         u8 addr3[ETH_ALEN];
 483         u16 seq_ctl;
 484         u8 addr4[ETH_ALEN];
 485         u16 qos_ctl;
 486 } __attribute__ ((packed));
 487
 488 struct ieee80211_info_element_hdr {
 489         u8 id;
 490         u8 len;
 491 } __attribute__ ((packed));
 492
 493 struct ieee80211_info_element {
 494         u8 id;
 495         u8 len;
 496         u8 data[0];
 497 } __attribute__ ((packed));
 498
 499 struct ieee80211_authentication {
 500         struct ieee80211_header_data header;
 501         u16 algorithm;
 502         u16 transaction;
 503         u16 status;
 504         //struct ieee80211_info_element_hdr info_element;
 505 } __attribute__ ((packed));
 506
 507 struct ieee80211_disassoc_frame {
 508         struct ieee80211_hdr_3addr header;
 509         u16    reasoncode;
 510 } __attribute__ ((packed));
 511
 512 struct ieee80211_probe_request {
 513         struct ieee80211_header_data header;
 514         /* struct ieee80211_info_element info_element; */
 515 } __attribute__ ((packed));
 516
 517 struct ieee80211_probe_response {
 518         struct ieee80211_header_data header;
 519         u32 time_stamp[2];
 520         u16 beacon_interval;
 521         u16 capability;
 522         struct ieee80211_info_element info_element;
 523 } __attribute__ ((packed));
 524
 525 struct ieee80211_assoc_request_frame {
 526         struct ieee80211_hdr_3addr header;
 527         u16 capability;
 528         u16 listen_interval;
 529         //u8 current_ap[ETH_ALEN];
 530         struct ieee80211_info_element_hdr info_element;
 531 } __attribute__ ((packed));
 532
 533 struct ieee80211_assoc_response_frame {
 534         struct ieee80211_hdr_3addr header;
 535         u16 capability;
 536         u16 status;
 537         u16 aid;
 538         struct ieee80211_info_element info_element; /* supported rates */
 539 } __attribute__ ((packed));
 540
 541 struct ieee80211_txb {
 542         u8 nr_frags;
 543         u8 encrypted;
 544         u16 reserved;
 545         u16 frag_size;
 546         u16 payload_size;
 547         struct sk_buff *fragments[0];
 548 };
 549
 550 /* SWEEP TABLE ENTRIES NUMBER */
 551 #define MAX_SWEEP_TAB_ENTRIES                   42
 552 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET        7
 553
 554 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 555  * only use 8, and then use extended rates for the remaining supported
 556  * rates.  Other APs, however, stick all of their supported rates on the
 557  * main rates information element... */
 558 #define MAX_RATES_LENGTH                        ((u8)12)
 559 #define MAX_RATES_EX_LENGTH                     ((u8)16)
 560
 561 #define MAX_NETWORK_COUNT                       128
 562
 563 #define MAX_CHANNEL_NUMBER                      165
 564
 565 #define IEEE80211_SOFTMAC_SCAN_TIME             100 /* (HZ / 2) */
 566 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME      (HZ * 2)
 567
 568 #define CRC_LENGTH      4U
 569
 570 #define MAX_WPA_IE_LEN  64
 571
 572 #define NETWORK_EMPTY_ESSID     (1 << 0)
 573 #define NETWORK_HAS_OFDM        (1 << 1)
 574 #define NETWORK_HAS_CCK         (1 << 2)
 575
 576 struct ieee80211_wmm_ac_param {
 577         u8 ac_aci_acm_aifsn;
 578         u8 ac_ecwmin_ecwmax;
 579         u16 ac_txop_limit;
 580 };
 581
 582 struct ieee80211_wmm_ts_info {
 583         u8 ac_dir_tid;
 584         u8 ac_up_psb;
 585         u8 reserved;
 586 } __attribute__ ((packed));
 587
 588 struct ieee80211_wmm_tspec_elem {
 589         struct ieee80211_wmm_ts_info ts_info;
 590         u16 norm_msdu_size;
 591         u16 max_msdu_size;
 592         u32 min_serv_inter;
 593         u32 max_serv_inter;
 594         u32 inact_inter;
 595         u32 suspen_inter;
 596         u32 serv_start_time;
 597         u32 min_data_rate;
 598         u32 mean_data_rate;
 599         u32 peak_data_rate;
 600         u32 max_burst_size;
 601         u32 delay_bound;
 602         u32 min_phy_rate;
 603         u16 surp_band_allow;
 604         u16 medium_time;
 605 }__attribute__((packed));
 606
 607 enum eap_type {
 608         EAP_PACKET = 0,
 609         EAPOL_START,
 610         EAPOL_LOGOFF,
 611         EAPOL_KEY,
 612         EAPOL_ENCAP_ASF_ALERT
 613 };
 614
 615 static const char *eap_types[] = {
 616         [EAP_PACKET]            = "EAP-Packet",
 617         [EAPOL_START]           = "EAPOL-Start",
 618         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 619         [EAPOL_KEY]             = "EAPOL-Key",
 620         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 621 };
 622
 623 static inline const char *eap_get_type(int type)
 624 {
 625         return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 626 }
 627
 628 struct eapol {
 629         u8 snap[6];
 630         u16 ethertype;
 631         u8 version;
 632         u8 type;
 633         u16 length;
 634 } __attribute__ ((packed));
 635
 636 struct ieee80211_softmac_stats {
 637         unsigned int rx_ass_ok;
 638         unsigned int rx_ass_err;
 639         unsigned int rx_probe_rq;
 640         unsigned int tx_probe_rs;
 641         unsigned int tx_beacons;
 642         unsigned int rx_auth_rq;
 643         unsigned int rx_auth_rs_ok;
 644         unsigned int rx_auth_rs_err;
 645         unsigned int tx_auth_rq;
 646         unsigned int no_auth_rs;
 647         unsigned int no_ass_rs;
 648         unsigned int tx_ass_rq;
 649         unsigned int rx_ass_rq;
 650         unsigned int tx_probe_rq;
 651         unsigned int reassoc;
 652         unsigned int swtxstop;
 653         unsigned int swtxawake;
 654 };
 655
 656 #define BEACON_PROBE_SSID_ID_POSITION 12
 657
 658 /*
 659  * These are the data types that can make up management packets
 660  *
 661         u16 auth_algorithm;
 662         u16 auth_sequence;
 663         u16 beacon_interval;
 664         u16 capability;
 665         u8 current_ap[ETH_ALEN];
 666         u16 listen_interval;
 667         struct {
 668                 u16 association_id:14, reserved:2;
 669         } __attribute__ ((packed));
 670         u32 time_stamp[2];
 671         u16 reason;
 672         u16 status;
 673 */
 674
 675 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 676 #define IEEE80211_DEFAULT_BASIC_RATE 10
 677
 678 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 679 #define MAX_SP_Len  (WMM_all_frame << 4)
 680 #define IEEE80211_QOS_TID 0x0f
 681 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 682
 683 #define MAX_IE_LEN                                              0xFF //+YJ,080625
 684
 685 typedef struct _CHANNEL_LIST{
 686         u8      Channel[MAX_CHANNEL_NUMBER + 1];
 687         u8      Len;
 688 }CHANNEL_LIST, *PCHANNEL_LIST;
 689
 690 //by amy for ps
 691 #define IEEE80211_WATCH_DOG_TIME    2000
 692 //by amy for ps
 693 //by amy for antenna
 694 #define ANTENNA_DIVERSITY_TIMER_PERIOD          1000 // 1000 m
 695 //by amy for antenna
 696
 697 #define IEEE80211_DTIM_MBCAST 4
 698 #define IEEE80211_DTIM_UCAST 2
 699 #define IEEE80211_DTIM_VALID 1
 700 #define IEEE80211_DTIM_INVALID 0
 701
 702 #define IEEE80211_PS_DISABLED 0
 703 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 704 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 705 #define IEEE80211_PS_ENABLE   IEEE80211_DTIM_VALID
 706 //added by David for QoS 2006/6/30
 707 //#define WMM_Hang_8187
 708 #ifdef WMM_Hang_8187
 709 #undef WMM_Hang_8187
 710 #endif
 711
 712 #define WME_AC_BE   0x00
 713 #define WME_AC_BK   0x01
 714 #define WME_AC_VI   0x02
 715 #define WME_AC_VO   0x03
 716 #define WME_ACI_MASK 0x03
 717 #define WME_AIFSN_MASK 0x03
 718 #define WME_AC_PRAM_LEN 16
 719
 720 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 721 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 722 #define UP2AC(up) (                \
 723         ((up) < 1) ? WME_AC_BE : \
 724         ((up) < 3) ? WME_AC_BK : \
 725         ((up) < 4) ? WME_AC_BE : \
 726         ((up) < 6) ? WME_AC_VI : \
 727         WME_AC_VO)
 728 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 729 #define AC2UP(_ac)      (       \
 730         ((_ac) == WME_AC_VO) ? 6 : \
 731         ((_ac) == WME_AC_VI) ? 5 : \
 732         ((_ac) == WME_AC_BK) ? 1 : \
 733         0)
 734
 735 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 736 struct  ether_header {
 737         u8 ether_dhost[ETHER_ADDR_LEN];
 738         u8 ether_shost[ETHER_ADDR_LEN];
 739         u16 ether_type;
 740 } __attribute__((packed));
 741
 742 #ifndef ETHERTYPE_PAE
 743 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 744 #endif
 745 #ifndef ETHERTYPE_IP
 746 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 747 #endif
 748
 749 struct ieee80211_network {
 750         /* These entries are used to identify a unique network */
 751         u8 bssid[ETH_ALEN];
 752         u8 channel;
 753         /* Ensure null-terminated for any debug msgs */
 754         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 755         u8 ssid_len;
 756
 757         /* These are network statistics */
 758         struct ieee80211_rx_stats stats;
 759         u16 capability;
 760         u8 rates[MAX_RATES_LENGTH];
 761         u8 rates_len;
 762         u8 rates_ex[MAX_RATES_EX_LENGTH];
 763         u8 rates_ex_len;
 764         unsigned long last_scanned;
 765         u8 mode;
 766         u8 flags;
 767         u32 last_associate;
 768         u32 time_stamp[2];
 769         u16 beacon_interval;
 770         u16 listen_interval;
 771         u16 atim_window;
 772         u8 wpa_ie[MAX_WPA_IE_LEN];
 773         size_t wpa_ie_len;
 774         u8 rsn_ie[MAX_WPA_IE_LEN];
 775         size_t rsn_ie_len;
 776         u8 dtim_period;
 777         u8 dtim_data;
 778         u32 last_dtim_sta_time[2];
 779         struct list_head list;
 780         //appeded for QoS
 781         u8 wmm_info;
 782         struct ieee80211_wmm_ac_param wmm_param[4];
 783         u8 QoS_Enable;
 784         u8 SignalStrength;
 785 //by amy 080312
 786         u8 HighestOperaRate;
 787 //by amy 080312
 788         u8 Turbo_Enable;//enable turbo mode, added by thomas
 789         u16 CountryIeLen;
 790         u8 CountryIeBuf[MAX_IE_LEN];
 791 };
 792
 793 enum ieee80211_state {
 794
 795         /* the card is not linked at all */
 796         IEEE80211_NOLINK = 0,
 797
 798         /* IEEE80211_ASSOCIATING* are for BSS client mode
 799          * the driver shall not perform RX filtering unless
 800          * the state is LINKED.
 801          * The driver shall just check for the state LINKED and
 802          * defaults to NOLINK for ALL the other states (including
 803          * LINKED_SCANNING)
 804          */
 805
 806         /* the association procedure will start (wq scheduling)*/
 807         IEEE80211_ASSOCIATING,
 808         IEEE80211_ASSOCIATING_RETRY,
 809
 810         /* the association procedure is sending AUTH request*/
 811         IEEE80211_ASSOCIATING_AUTHENTICATING,
 812
 813         /* the association procedure has successfully authentcated
 814          * and is sending association request
 815          */
 816         IEEE80211_ASSOCIATING_AUTHENTICATED,
 817
 818         /* the link is ok. the card associated to a BSS or linked
 819          * to a ibss cell or acting as an AP and creating the bss
 820          */
 821         IEEE80211_LINKED,
 822
 823         /* same as LINKED, but the driver shall apply RX filter
 824          * rules as we are in NO_LINK mode. As the card is still
 825          * logically linked, but it is doing a syncro site survey
 826          * then it will be back to LINKED state.
 827          */
 828         IEEE80211_LINKED_SCANNING,
 829
 830 };
 831
 832 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 833 #define DEFAULT_FTS 2346
 834
 835 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 836 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 837
 838 typedef struct tx_pending_t{
 839         int frag;
 840         struct ieee80211_txb *txb;
 841 }tx_pending_t;
 842
 843 enum {
 844         COUNTRY_CODE_FCC = 0,
 845         COUNTRY_CODE_IC = 1,
 846         COUNTRY_CODE_ETSI = 2,
 847         COUNTRY_CODE_SPAIN = 3,
 848         COUNTRY_CODE_FRANCE = 4,
 849         COUNTRY_CODE_MKK = 5,
 850         COUNTRY_CODE_MKK1 = 6,
 851         COUNTRY_CODE_ISRAEL = 7,
 852         COUNTRY_CODE_TELEC = 8,
 853         COUNTRY_CODE_GLOBAL_DOMAIN = 9,
 854         COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10
 855 };
 856
 857 struct ieee80211_device {
 858         struct net_device *dev;
 859
 860         /* Bookkeeping structures */
 861         struct net_device_stats stats;
 862         struct ieee80211_stats ieee_stats;
 863         struct ieee80211_softmac_stats softmac_stats;
 864
 865         /* Probe / Beacon management */
 866         struct list_head network_free_list;
 867         struct list_head network_list;
 868         struct ieee80211_network *networks;
 869         int scans;
 870         int scan_age;
 871
 872         int iw_mode; /* operating mode (IW_MODE_*) */
 873
 874         spinlock_t lock;
 875         spinlock_t wpax_suitlist_lock;
 876
 877         int tx_headroom; /* Set to size of any additional room needed at front
 878                           * of allocated Tx SKBs */
 879         u32 config;
 880
 881         /* WEP and other encryption related settings at the device level */
 882         int open_wep; /* Set to 1 to allow unencrypted frames */
 883
 884         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
 885                                  * WEP key changes */
 886
 887         /* If the host performs {en,de}cryption, then set to 1 */
 888         int host_encrypt;
 889         int host_decrypt;
 890         int ieee802_1x; /* is IEEE 802.1X used */
 891
 892         /* WPA data */
 893         int wpa_enabled;
 894         int drop_unencrypted;
 895         int tkip_countermeasures;
 896         int privacy_invoked;
 897         size_t wpa_ie_len;
 898         u8 *wpa_ie;
 899
 900         u8 ap_mac_addr[6];
 901         u16 pairwise_key_type;
 902         u16 broadcast_key_type;
 903
 904         struct list_head crypt_deinit_list;
 905         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 906         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 907         struct timer_list crypt_deinit_timer;
 908
 909         int bcrx_sta_key; /* use individual keys to override default keys even
 910                            * with RX of broad/multicast frames */
 911
 912         /* Fragmentation structures */
 913         // each streaming contain a entry
 914         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
 915         unsigned int frag_next_idx[17];
 916         u16 fts; /* Fragmentation Threshold */
 917
 918         /* This stores infos for the current network.
 919          * Either the network we are associated in INFRASTRUCTURE
 920          * or the network that we are creating in MASTER mode.
 921          * ad-hoc is a mixture ;-).
 922          * Note that in infrastructure mode, even when not associated,
 923          * fields bssid and essid may be valid (if wpa_set and essid_set
 924          * are true) as thy carry the value set by the user via iwconfig
 925          */
 926         struct ieee80211_network current_network;
 927
 928
 929         enum ieee80211_state state;
 930
 931         int short_slot;
 932         int mode;       /* A, B, G */
 933         int modulation; /* CCK, OFDM */
 934         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
 935         int abg_true;   /* ABG flag              */
 936
 937         /* used for forcing the ibss workqueue to terminate
 938          * without wait for the syncro scan to terminate
 939          */
 940         short sync_scan_hurryup;
 941
 942         void * pDot11dInfo;
 943         bool bGlobalDomain;
 944
 945         // For Liteon Ch12~13 passive scan
 946         u8      MinPassiveChnlNum;
 947         u8      IbssStartChnl;
 948
 949         int rate;       /* current rate */
 950         int basic_rate;
 951         short active_scan;
 952
 953         /* this contains flags for selectively enable softmac support */
 954         u16 softmac_features;
 955
 956         /* if the sequence control field is not filled by HW */
 957         u16 seq_ctrl[5];
 958
 959         /* association procedure transaction sequence number */
 960         u16 associate_seq;
 961
 962         /* AID for RTXed association responses */
 963         u16 assoc_id;
 964
 965         /* power save mode related*/
 966         short ps;
 967         short sta_sleep;
 968         int ps_timeout;
 969         struct tasklet_struct ps_task;
 970         u32 ps_th;
 971         u32 ps_tl;
 972
 973         short raw_tx;
 974         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
 975         short queue_stop;
 976         short scanning;
 977         short proto_started;
 978
 979         struct semaphore wx_sem;
 980         struct semaphore scan_sem;
 981
 982         spinlock_t mgmt_tx_lock;
 983         spinlock_t beacon_lock;
 984
 985         short beacon_txing;
 986
 987         short wap_set;
 988         short ssid_set;
 989
 990         u8  wpax_type_set;    //{added by David, 2006.9.28}
 991         u32 wpax_type_notify; //{added by David, 2006.9.26}
 992
 993         /* QoS related flag */
 994         char init_wmmparam_flag;
 995
 996         /* for discarding duplicated packets in IBSS */
 997         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
 998
 999         /* for discarding duplicated packets in BSS */
1000         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1001         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1002         unsigned long last_packet_time[17];
1003
1004         /* for PS mode */
1005         unsigned long last_rx_ps_time;
1006
1007         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1008         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1009         int mgmt_queue_head;
1010         int mgmt_queue_tail;
1011
1012
1013         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1014         struct  tx_pending_t tx_pending;
1015
1016         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1017         struct timer_list associate_timer;
1018
1019         /* used if IEEE_SOFTMAC_BEACONS is set */
1020         struct timer_list beacon_timer;
1021
1022         struct work_struct associate_complete_wq;
1023 //      struct work_struct associate_retry_wq;
1024         struct work_struct associate_procedure_wq;
1025 //      struct work_struct softmac_scan_wq;
1026         struct work_struct wx_sync_scan_wq;
1027         struct work_struct wmm_param_update_wq;
1028         struct work_struct ps_request_tx_ack_wq;//for ps
1029 //      struct work_struct hw_wakeup_wq;
1030 //      struct work_struct hw_sleep_wq;
1031 //      struct work_struct watch_dog_wq;
1032         bool bInactivePs;
1033         bool actscanning;
1034         bool beinretry;
1035         u16 ListenInterval;
1036         unsigned long NumRxDataInPeriod; //YJ,add,080828
1037         unsigned long NumRxBcnInPeriod;  //YJ,add,080828
1038         unsigned long NumRxOkTotal;
1039         unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
1040         bool bHwRadioOff;
1041         struct delayed_work softmac_scan_wq;
1042         struct delayed_work associate_retry_wq;
1043         struct delayed_work hw_wakeup_wq;
1044         struct delayed_work hw_sleep_wq;//+by amy 080324
1045         struct delayed_work watch_dog_wq;
1046         struct delayed_work sw_antenna_wq;
1047         struct delayed_work  start_ibss_wq;
1048 //by amy for rate adaptive 080312
1049     struct delayed_work rate_adapter_wq;
1050 //by amy for rate adaptive
1051         struct delayed_work hw_dig_wq;
1052         struct delayed_work tx_pw_wq;
1053
1054 //Added for RF power on power off by lizhaoming 080512
1055         struct delayed_work GPIOChangeRFWorkItem;
1056
1057         struct workqueue_struct *wq;
1058
1059         /* Callback functions */
1060         void (*set_security)(struct net_device *dev,
1061                              struct ieee80211_security *sec);
1062
1063         /* Used to TX data frame by using txb structs.
1064          * this is not used if in the softmac_features
1065          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1066          */
1067         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1068                                struct net_device *dev);
1069
1070         int (*reset_port)(struct net_device *dev);
1071
1072         /* Softmac-generated frames (mamagement) are TXed via this
1073          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1074          * not set. As some cards may have different HW queues that
1075          * one might want to use for data and management frames
1076          * the option to have two callbacks might be useful.
1077          * This fucntion can't sleep.
1078          */
1079         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1080                                struct net_device *dev);
1081
1082         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1083          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1084          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1085          * then also management frames are sent via this callback.
1086          * This function can't sleep.
1087          */
1088         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1089                                struct net_device *dev,int rate);
1090
1091         /* stops the HW queue for DATA frames. Useful to avoid
1092          * waste time to TX data frame when we are reassociating
1093          * This function can sleep.
1094          */
1095         void (*data_hard_stop)(struct net_device *dev);
1096
1097         /* OK this is complementar to data_poll_hard_stop */
1098         void (*data_hard_resume)(struct net_device *dev);
1099
1100         /* ask to the driver to retune the radio .
1101          * This function can sleep. the driver should ensure
1102          * the radio has been swithced before return.
1103          */
1104         void (*set_chan)(struct net_device *dev,short ch);
1105
1106         /* These are not used if the ieee stack takes care of
1107          * scanning (IEEE_SOFTMAC_SCAN feature set).
1108          * In this case only the set_chan is used.
1109          *
1110          * The syncro version is similar to the start_scan but
1111          * does not return until all channels has been scanned.
1112          * this is called in user context and should sleep,
1113          * it is called in a work_queue when swithcing to ad-hoc mode
1114          * or in behalf of iwlist scan when the card is associated
1115          * and root user ask for a scan.
1116          * the fucntion stop_scan should stop both the syncro and
1117          * background scanning and can sleep.
1118          * The fucntion start_scan should initiate the background
1119          * scanning and can't sleep.
1120          */
1121         void (*scan_syncro)(struct net_device *dev);
1122         void (*start_scan)(struct net_device *dev);
1123         void (*stop_scan)(struct net_device *dev);
1124
1125         /* indicate the driver that the link state is changed
1126          * for example it may indicate the card is associated now.
1127          * Driver might be interested in this to apply RX filter
1128          * rules or simply light the LINK led
1129          */
1130         void (*link_change)(struct net_device *dev);
1131
1132         /* these two function indicates to the HW when to start
1133          * and stop to send beacons. This is used when the
1134          * IEEE_SOFTMAC_BEACONS is not set. For now the
1135          * stop_send_bacons is NOT guaranteed to be called only
1136          * after start_send_beacons.
1137          */
1138         void (*start_send_beacons) (struct net_device *dev);
1139         void (*stop_send_beacons) (struct net_device *dev);
1140
1141         /* power save mode related */
1142         void (*sta_wake_up) (struct net_device *dev);
1143         void (*ps_request_tx_ack) (struct net_device *dev);
1144         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1145         short (*ps_is_queue_empty) (struct net_device *dev);
1146
1147         /* QoS related */
1148         //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param);
1149         //void (*wmm_param_update) (struct ieee80211_device *ieee);
1150
1151         /* This must be the last item so that it points to the data
1152          * allocated beyond this structure by alloc_ieee80211 */
1153         u8 priv[0];
1154 };
1155
1156 #define IEEE_A            (1<<0)
1157 #define IEEE_B            (1<<1)
1158 #define IEEE_G            (1<<2)
1159 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1160
1161 /* Generate a 802.11 header */
1162
1163 /* Uses the channel change callback directly
1164  * instead of [start/stop] scan callbacks
1165  */
1166 #define IEEE_SOFTMAC_SCAN (1<<2)
1167
1168 /* Perform authentication and association handshake */
1169 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1170
1171 /* Generate probe requests */
1172 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1173
1174 /* Generate respones to probe requests */
1175 #define IEEE_SOFTMAC_PROBERS (1<<5)
1176
1177 /* The ieee802.11 stack will manages the netif queue
1178  * wake/stop for the driver, taking care of 802.11
1179  * fragmentation. See softmac.c for details. */
1180 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1181
1182 /* Uses only the softmac_data_hard_start_xmit
1183  * even for TX management frames.
1184  */
1185 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1186
1187 /* Generate beacons.  The stack will enqueue beacons
1188  * to the card
1189  */
1190 #define IEEE_SOFTMAC_BEACONS (1<<6)
1191
1192
1193
1194 static inline void *ieee80211_priv(struct net_device *dev)
1195 {
1196         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1197 }
1198
1199 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1200 {
1201         /* Single white space is for Linksys APs */
1202         if (essid_len == 1 && essid[0] == ' ')
1203                 return 1;
1204
1205         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1206         while (essid_len) {
1207                 essid_len--;
1208                 if (essid[essid_len] != '\0')
1209                         return 0;
1210         }
1211
1212         return 1;
1213 }
1214
1215 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1216 {
1217         /*
1218          * It is possible for both access points and our device to support
1219          * combinations of modes, so as long as there is one valid combination
1220          * of ap/device supported modes, then return success
1221          *
1222          */
1223         if ((mode & IEEE_A) &&
1224             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1225             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1226                 return 1;
1227
1228         if ((mode & IEEE_G) &&
1229             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1230             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1231                 return 1;
1232
1233         if ((mode & IEEE_B) &&
1234             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1235             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1236                 return 1;
1237
1238         return 0;
1239 }
1240
1241 extern inline int ieee80211_get_hdrlen(u16 fc)
1242 {
1243         int hdrlen = 24;
1244
1245         switch (WLAN_FC_GET_TYPE(fc)) {
1246         case IEEE80211_FTYPE_DATA:
1247                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1248                         hdrlen = 30; /* Addr4 */
1249                 if(IEEE80211_QOS_HAS_SEQ(fc))
1250                         hdrlen += 2; /* QOS ctrl*/
1251                 break;
1252         case IEEE80211_FTYPE_CTL:
1253                 switch (WLAN_FC_GET_STYPE(fc)) {
1254                 case IEEE80211_STYPE_CTS:
1255                 case IEEE80211_STYPE_ACK:
1256                         hdrlen = 10;
1257                         break;
1258                 default:
1259                         hdrlen = 16;
1260                         break;
1261                 }
1262                 break;
1263         }
1264
1265         return hdrlen;
1266 }
1267
1268
1269
1270 /* ieee80211.c */
1271 extern void free_ieee80211(struct net_device *dev);
1272 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1273
1274 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1275
1276 /* ieee80211_tx.c */
1277
1278 extern int ieee80211_encrypt_fragment(
1279         struct ieee80211_device *ieee,
1280         struct sk_buff *frag,
1281         int hdr_len);
1282
1283 extern int ieee80211_rtl_xmit(struct sk_buff *skb,
1284                           struct net_device *dev);
1285 extern void ieee80211_txb_free(struct ieee80211_txb *);
1286
1287
1288 /* ieee80211_rx.c */
1289 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1290                         struct ieee80211_rx_stats *rx_stats);
1291 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1292                              struct ieee80211_hdr_4addr *header,
1293                              struct ieee80211_rx_stats *stats);
1294
1295 /* ieee80211_wx.c */
1296 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1297                                  struct iw_request_info *info,
1298                                  union iwreq_data *wrqu, char *key);
1299 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1300                                    struct iw_request_info *info,
1301                                    union iwreq_data *wrqu, char *key);
1302 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1303                                    struct iw_request_info *info,
1304                                    union iwreq_data *wrqu, char *key);
1305 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1306                             struct iw_request_info *info,
1307                             union iwreq_data* wrqu, char *extra);
1308 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1309                                struct iw_request_info *info,
1310                                struct iw_param *data, char *extra);
1311 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1312                                struct iw_request_info *info,
1313                                union iwreq_data *wrqu, char *extra);
1314
1315 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1316 /* ieee80211_softmac.c */
1317 extern short ieee80211_is_54g(struct ieee80211_network net);
1318 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1319 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1320                         struct ieee80211_rx_stats *rx_stats, u16 type,
1321                         u16 stype);
1322 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1323
1324 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1325 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1326 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1327 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1328 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1329 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1330 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1331 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1332 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1333 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1334 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1335 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1336 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1337 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1338 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1339 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1340 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1341 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1342 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1343 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1344 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1345 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1346 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1347 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1348 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1349 extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn);
1350 extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
1351
1352 //Add for RF power on power off by lizhaoming 080512
1353 extern void SendDisassociation(struct ieee80211_device *ieee,
1354                          u8*                     asSta,
1355                          u8                      asRsn);
1356
1357 /* ieee80211_crypt_ccmp&tkip&wep.c */
1358 extern void ieee80211_tkip_null(void);
1359 extern void ieee80211_wep_null(void);
1360 extern void ieee80211_ccmp_null(void);
1361 /* ieee80211_softmac_wx.c */
1362
1363 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1364                             struct iw_request_info *info,
1365                             union iwreq_data *wrqu, char *ext);
1366
1367 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1368                          struct iw_request_info *info,
1369                          union iwreq_data *awrq,
1370                          char *extra);
1371
1372 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1373
1374 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1375                              struct iw_request_info *info,
1376                              union iwreq_data *wrqu, char *extra);
1377
1378 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1379                              struct iw_request_info *info,
1380                              union iwreq_data *wrqu, char *extra);
1381
1382 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1383                              union iwreq_data *wrqu, char *b);
1384
1385 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1386                              union iwreq_data *wrqu, char *b);
1387
1388 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1389                               struct iw_request_info *a,
1390                               union iwreq_data *wrqu, char *extra);
1391
1392 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1393                              union iwreq_data *wrqu, char *b);
1394
1395 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1396                              union iwreq_data *wrqu, char *b);
1397
1398 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1399                              union iwreq_data *wrqu, char *b);
1400
1401 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1402
1403 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1404                                struct iw_request_info *info,
1405                                union iwreq_data *wrqu, char *extra);
1406
1407 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1408                              struct iw_request_info *info,
1409                              union iwreq_data *wrqu, char *extra);
1410
1411 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1412                                  struct iw_request_info *info,
1413                                  union iwreq_data *wrqu, char *extra);
1414
1415 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1416                                  struct iw_request_info *info,
1417                                  union iwreq_data *wrqu, char *extra);
1418
1419 extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1420
1421 extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
1422
1423 extern const long ieee80211_wlan_frequencies[];
1424
1425 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1426 {
1427         ieee->scans++;
1428 }
1429
1430 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1431 {
1432         return ieee->scans;
1433 }
1434
1435 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1436         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1437         const char *s = essid;
1438         char *d = escaped;
1439
1440         if (ieee80211_is_empty_essid(essid, essid_len)) {
1441                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1442                 return escaped;
1443         }
1444
1445         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1446         while (essid_len--) {
1447                 if (*s == '\0') {
1448                         *d++ = '\\';
1449                         *d++ = '0';
1450                         s++;
1451                 } else {
1452                         *d++ = *s++;
1453                 }
1454         }
1455         *d = '\0';
1456         return escaped;
1457 }
1458 #endif /* IEEE80211_H */