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/wireless.h>
  33 #include <linux/ieee80211.h>
  34
  35 #define KEY_TYPE_NA             0x0
  36 #define KEY_TYPE_WEP40          0x1
  37 #define KEY_TYPE_TKIP           0x2
  38 #define KEY_TYPE_CCMP           0x4
  39 #define KEY_TYPE_WEP104         0x5
  40
  41 #define aSifsTime                                       10
  42
  43 #define MGMT_QUEUE_NUM 5
  44
  45
  46 #define IEEE_CMD_SET_WPA_PARAM                  1
  47 #define IEEE_CMD_SET_WPA_IE                     2
  48 #define IEEE_CMD_SET_ENCRYPTION                 3
  49 #define IEEE_CMD_MLME                           4
  50
  51 #define IEEE_PARAM_WPA_ENABLED                  1
  52 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  53 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  54 #define IEEE_PARAM_PRIVACY_INVOKED              4
  55 #define IEEE_PARAM_AUTH_ALGS                    5
  56 #define IEEE_PARAM_IEEE_802_1X                  6
  57 //It should consistent with the driver_XXX.c
  58 //   David, 2006.9.26
  59 #define IEEE_PARAM_WPAX_SELECT                  7
  60 //Added for notify the encryption type selection
  61 //   David, 2006.9.26
  62 #define IEEE_PROTO_WPA                          1
  63 #define IEEE_PROTO_RSN                          2
  64 //Added for notify the encryption type selection
  65 //   David, 2006.9.26
  66 #define IEEE_WPAX_USEGROUP                      0
  67 #define IEEE_WPAX_WEP40                         1
  68 #define IEEE_WPAX_TKIP                          2
  69 #define IEEE_WPAX_WRAP                          3
  70 #define IEEE_WPAX_CCMP                          4
  71 #define IEEE_WPAX_WEP104                        5
  72
  73 #define IEEE_KEY_MGMT_IEEE8021X                 1
  74 #define IEEE_KEY_MGMT_PSK                       2
  75
  76
  77
  78 #define IEEE_MLME_STA_DEAUTH                    1
  79 #define IEEE_MLME_STA_DISASSOC                  2
  80
  81
  82 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  83 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  84 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED                4
  85 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  86 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED                6
  87 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  88
  89
  90 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  91
  92 //by amy for ps
  93 typedef struct ieee_param {
  94         u32 cmd;
  95         u8 sta_addr[ETH_ALEN];
  96         union {
  97                 struct {
  98                         u8 name;
  99                         u32 value;
 100                 } wpa_param;
 101                 struct {
 102                         u32 len;
 103                         u8 reserved[32];
 104                         u8 data[0];
 105                 } wpa_ie;
 106                 struct{
 107                         int command;
 108                         int reason_code;
 109                 } mlme;
 110                 struct {
 111                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 112                         u8 set_tx;
 113                         u32 err;
 114                         u8 idx;
 115                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 116                         u16 key_len;
 117                         u8 key[0];
 118                 } crypt;
 119
 120         } u;
 121 }ieee_param;
 122
 123
 124 #define MSECS(t) msecs_to_jiffies(t)
 125 #define msleep_interruptible_rtl  msleep_interruptible
 126
 127 #define IEEE80211_DATA_LEN              2304
 128 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 129    6.2.1.1.2.
 130
 131    The figure in section 7.1.2 suggests a body size of up to 2312
 132    bytes is allowed, which is a bit confusing, I suspect this
 133    represents the 2304 bytes of real data, plus a possible 8 bytes of
 134    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 135
 136 #define IEEE80211_3ADDR_LEN 24
 137 #define IEEE80211_4ADDR_LEN 30
 138 #define IEEE80211_FCS_LEN    4
 139 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 140 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 141 #define IEEE80211_MGMT_HDR_LEN 24
 142 #define IEEE80211_DATA_HDR3_LEN 24
 143 #define IEEE80211_DATA_HDR4_LEN 30
 144
 145 #define MIN_FRAG_THRESHOLD     256U
 146 #define MAX_FRAG_THRESHOLD     2346U
 147
 148 /* Frame control field constants */
 149 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 150 #define IEEE80211_FCTL_WEP              0x4000
 151
 152 /* debug macros */
 153
 154 #ifdef CONFIG_IEEE80211_DEBUG
 155 extern u32 ieee80211_debug_level;
 156 #define IEEE80211_DEBUG(level, fmt, args...) \
 157 do { if (ieee80211_debug_level & (level)) \
 158   printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
 159          in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
 160 #else
 161 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 162 #endif  /* CONFIG_IEEE80211_DEBUG */
 163
 164 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 165 #define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], \
 166                    ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
 167
 168 /*
 169  * To use the debug system;
 170  *
 171  * If you are defining a new debug classification, simply add it to the #define
 172  * list here in the form of:
 173  *
 174  * #define IEEE80211_DL_xxxx VALUE
 175  *
 176  * shifting value to the left one bit from the previous entry.  xxxx should be
 177  * the name of the classification (for example, WEP)
 178  *
 179  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
 180  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
 181  * to send output to that classification.
 182  *
 183  * To add your debug level to the list of levels seen when you perform
 184  *
 185  * % cat /proc/net/ipw/debug_level
 186  *
 187  * you simply need to add your entry to the ipw_debug_levels array.
 188  *
 189  * If you do not see debug_level in /proc/net/ipw then you do not have
 190  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
 191  *
 192  */
 193
 194 #define IEEE80211_DL_INFO          (1<<0)
 195 #define IEEE80211_DL_WX            (1<<1)
 196 #define IEEE80211_DL_SCAN          (1<<2)
 197 #define IEEE80211_DL_STATE         (1<<3)
 198 #define IEEE80211_DL_MGMT          (1<<4)
 199 #define IEEE80211_DL_FRAG          (1<<5)
 200 #define IEEE80211_DL_EAP           (1<<6)
 201 #define IEEE80211_DL_DROP          (1<<7)
 202
 203 #define IEEE80211_DL_TX            (1<<8)
 204 #define IEEE80211_DL_RX            (1<<9)
 205
 206 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 207 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 208 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 209
 210 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 211 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 212 //#define IEEE_DEBUG_SCAN  IEEE80211_WARNING
 213 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 214 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 215 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 216 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 217 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 218 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 219 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 220 #include <linux/netdevice.h>
 221 #include <linux/wireless.h>
 222 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 223
 224 #ifndef WIRELESS_SPY
 225 #define WIRELESS_SPY            // enable iwspy support
 226 #endif
 227 #include <net/iw_handler.h>     // new driver API
 228
 229 #ifndef ETH_P_PAE
 230 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 231 #endif /* ETH_P_PAE */
 232
 233 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 234
 235 #ifndef ETH_P_80211_RAW
 236 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 237 #endif
 238
 239 /* IEEE 802.11 defines */
 240
 241 #define P80211_OUI_LEN 3
 242
 243 struct ieee80211_snap_hdr {
 244
 245         u8    dsap;   /* always 0xAA */
 246         u8    ssap;   /* always 0xAA */
 247         u8    ctrl;   /* always 0x03 */
 248         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 249
 250 } __attribute__ ((packed));
 251
 252 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 253
 254 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 255 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 256
 257 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 258 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)
 259
 260 #define WLAN_CAPABILITY_BSS (1<<0)
 261 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 262
 263 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 264 #define IEEE80211_STATMASK_RSSI (1<<1)
 265 #define IEEE80211_STATMASK_NOISE (1<<2)
 266 #define IEEE80211_STATMASK_RATE (1<<3)
 267 #define IEEE80211_STATMASK_WEMASK 0x7
 268
 269
 270 #define IEEE80211_CCK_MODULATION    (1<<0)
 271 #define IEEE80211_OFDM_MODULATION   (1<<1)
 272
 273 #define IEEE80211_24GHZ_BAND     (1<<0)
 274 #define IEEE80211_52GHZ_BAND     (1<<1)
 275
 276 #define IEEE80211_CCK_RATE_LEN                  4
 277 #define IEEE80211_CCK_RATE_1MB                  0x02
 278 #define IEEE80211_CCK_RATE_2MB                  0x04
 279 #define IEEE80211_CCK_RATE_5MB                  0x0B
 280 #define IEEE80211_CCK_RATE_11MB                 0x16
 281 #define IEEE80211_OFDM_RATE_LEN                 8
 282 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 283 #define IEEE80211_OFDM_RATE_9MB                 0x12
 284 #define IEEE80211_OFDM_RATE_12MB                0x18
 285 #define IEEE80211_OFDM_RATE_18MB                0x24
 286 #define IEEE80211_OFDM_RATE_24MB                0x30
 287 #define IEEE80211_OFDM_RATE_36MB                0x48
 288 #define IEEE80211_OFDM_RATE_48MB                0x60
 289 #define IEEE80211_OFDM_RATE_54MB                0x6C
 290 #define IEEE80211_BASIC_RATE_MASK               0x80
 291
 292 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 293 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 294 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 295 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 296 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 297 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 298 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 299 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 300 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 301 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 302 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 303 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 304
 305 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 306 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 307         IEEE80211_CCK_RATE_2MB_MASK)
 308 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 309         IEEE80211_CCK_RATE_5MB_MASK | \
 310         IEEE80211_CCK_RATE_11MB_MASK)
 311
 312 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 313 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 314         IEEE80211_OFDM_RATE_12MB_MASK | \
 315         IEEE80211_OFDM_RATE_24MB_MASK)
 316 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 317         IEEE80211_OFDM_RATE_9MB_MASK  | \
 318         IEEE80211_OFDM_RATE_18MB_MASK | \
 319         IEEE80211_OFDM_RATE_36MB_MASK | \
 320         IEEE80211_OFDM_RATE_48MB_MASK | \
 321         IEEE80211_OFDM_RATE_54MB_MASK)
 322 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 323                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 324
 325 #define IEEE80211_NUM_OFDM_RATES            8
 326 #define IEEE80211_NUM_CCK_RATES             4
 327 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 328
 329 /* this is stolen and modified from the madwifi driver*/
 330 #define IEEE80211_FC0_TYPE_MASK         0x0c
 331 #define IEEE80211_FC0_TYPE_DATA         0x08
 332 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 333 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 334
 335 #define IEEE80211_QOS_HAS_SEQ(fc) \
 336         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 337          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 338
 339 /* this is stolen from ipw2200 driver */
 340 #define IEEE_IBSS_MAC_HASH_SIZE 31
 341 struct ieee_ibss_seq {
 342         u8 mac[ETH_ALEN];
 343         u16 seq_num[17];
 344         u16 frag_num[17];
 345         unsigned long packet_time[17];
 346         struct list_head list;
 347 };
 348
 349 /* NOTE: This data is for statistical purposes; not all hardware provides this
 350  *       information for frames received.  Not setting these will not cause
 351  *       any adverse affects. */
 352 struct ieee80211_rx_stats {
 353         u32 mac_time[2];
 354         u8 signalstrength;
 355         s8 rssi;
 356         u8 signal;
 357         u8 noise;
 358         u16 rate; /* in 100 kbps */
 359         u8 received_channel;
 360         u8 control;
 361         u8 mask;
 362         u8 freq;
 363         u16 len;
 364         u8 nic_type;
 365 };
 366
 367 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 368  * three fragmented frames. This define can be increased to support more
 369  * concurrent frames, but it should be noted that each entry can consume about
 370  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 371 #define IEEE80211_FRAG_CACHE_LEN 4
 372
 373 struct ieee80211_frag_entry {
 374         unsigned long first_frag_time;
 375         unsigned int seq;
 376         unsigned int last_frag;
 377         struct sk_buff *skb;
 378         u8 src_addr[ETH_ALEN];
 379         u8 dst_addr[ETH_ALEN];
 380 };
 381
 382 struct ieee80211_stats {
 383         unsigned int tx_unicast_frames;
 384         unsigned int tx_multicast_frames;
 385         unsigned int tx_fragments;
 386         unsigned int tx_unicast_octets;
 387         unsigned int tx_multicast_octets;
 388         unsigned int tx_deferred_transmissions;
 389         unsigned int tx_single_retry_frames;
 390         unsigned int tx_multiple_retry_frames;
 391         unsigned int tx_retry_limit_exceeded;
 392         unsigned int tx_discards;
 393         unsigned int rx_unicast_frames;
 394         unsigned int rx_multicast_frames;
 395         unsigned int rx_fragments;
 396         unsigned int rx_unicast_octets;
 397         unsigned int rx_multicast_octets;
 398         unsigned int rx_fcs_errors;
 399         unsigned int rx_discards_no_buffer;
 400         unsigned int tx_discards_wrong_sa;
 401         unsigned int rx_discards_undecryptable;
 402         unsigned int rx_message_in_msg_fragments;
 403         unsigned int rx_message_in_bad_msg_fragments;
 404 };
 405
 406 struct ieee80211_device;
 407
 408 #include "ieee80211_crypt.h"
 409
 410 #define SEC_KEY_1         (1<<0)
 411 #define SEC_KEY_2         (1<<1)
 412 #define SEC_KEY_3         (1<<2)
 413 #define SEC_KEY_4         (1<<3)
 414 #define SEC_ACTIVE_KEY    (1<<4)
 415 #define SEC_AUTH_MODE     (1<<5)
 416 #define SEC_UNICAST_GROUP (1<<6)
 417 #define SEC_LEVEL         (1<<7)
 418 #define SEC_ENABLED       (1<<8)
 419
 420 #define SEC_LEVEL_0      0 /* None */
 421 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 422 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 423 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 424 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 425
 426 #define WEP_KEYS 4
 427 #define WEP_KEY_LEN 13
 428
 429 #define WEP_KEY_LEN_MODIF 32
 430
 431 struct ieee80211_security {
 432         u16 active_key:2,
 433             enabled:1,
 434             auth_mode:2,
 435             auth_algo:4,
 436             unicast_uses_group:1;
 437         u8 key_sizes[WEP_KEYS];
 438         u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF];
 439         u8 level;
 440         u16 flags;
 441 } __attribute__ ((packed));
 442
 443
 444 /*
 445
 446  802.11 data frame from AP
 447
 448       ,-------------------------------------------------------------------.
 449 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 450       |------|------|---------|---------|---------|------|---------|------|
 451 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 452       |      | tion | (BSSID) |         |         | ence |  data   |      |
 453       `-------------------------------------------------------------------'
 454
 455 Total: 28-2340 bytes
 456
 457 */
 458
 459 /* Management Frame Information Element Types */
 460 enum {
 461         MFIE_TYPE_SSID = 0,
 462         MFIE_TYPE_RATES = 1,
 463         MFIE_TYPE_FH_SET = 2,
 464         MFIE_TYPE_DS_SET = 3,
 465         MFIE_TYPE_CF_SET = 4,
 466         MFIE_TYPE_TIM = 5,
 467         MFIE_TYPE_IBSS_SET = 6,
 468         MFIE_TYPE_COUNTRY = 7,
 469         MFIE_TYPE_CHALLENGE = 16,
 470         MFIE_TYPE_ERP = 42,
 471         MFIE_TYPE_RSN = 48,
 472         MFIE_TYPE_RATES_EX = 50,
 473         MFIE_TYPE_GENERIC = 221,
 474 };
 475
 476 struct ieee80211_header_data {
 477         u16 frame_ctl;
 478         u16 duration_id;
 479         u8 addr1[6];
 480         u8 addr2[6];
 481         u8 addr3[6];
 482         u16 seq_ctrl;
 483 };
 484
 485 struct ieee80211_hdr_3addr {
 486         u16 frame_ctl;
 487         u16 duration_id;
 488         u8 addr1[ETH_ALEN];
 489         u8 addr2[ETH_ALEN];
 490         u8 addr3[ETH_ALEN];
 491         u16 seq_ctl;
 492 } __attribute__ ((packed));
 493
 494 struct ieee80211_hdr_4addr {
 495         u16 frame_ctl;
 496         u16 duration_id;
 497         u8 addr1[ETH_ALEN];
 498         u8 addr2[ETH_ALEN];
 499         u8 addr3[ETH_ALEN];
 500         u16 seq_ctl;
 501         u8 addr4[ETH_ALEN];
 502 } __attribute__ ((packed));
 503
 504 struct ieee80211_hdr_3addrqos {
 505         u16 frame_ctl;
 506         u16 duration_id;
 507         u8 addr1[ETH_ALEN];
 508         u8 addr2[ETH_ALEN];
 509         u8 addr3[ETH_ALEN];
 510         u16 seq_ctl;
 511         u16 qos_ctl;
 512 } __attribute__ ((packed));
 513
 514 struct ieee80211_hdr_4addrqos {
 515         u16 frame_ctl;
 516         u16 duration_id;
 517         u8 addr1[ETH_ALEN];
 518         u8 addr2[ETH_ALEN];
 519         u8 addr3[ETH_ALEN];
 520         u16 seq_ctl;
 521         u8 addr4[ETH_ALEN];
 522         u16 qos_ctl;
 523 } __attribute__ ((packed));
 524
 525 struct ieee80211_info_element_hdr {
 526         u8 id;
 527         u8 len;
 528 } __attribute__ ((packed));
 529
 530 struct ieee80211_info_element {
 531         u8 id;
 532         u8 len;
 533         u8 data[0];
 534 } __attribute__ ((packed));
 535
 536 struct ieee80211_authentication {
 537         struct ieee80211_header_data header;
 538         u16 algorithm;
 539         u16 transaction;
 540         u16 status;
 541         //struct ieee80211_info_element_hdr info_element;
 542 } __attribute__ ((packed));
 543
 544 struct ieee80211_disassoc_frame {
 545         struct ieee80211_hdr_3addr header;
 546         u16    reasoncode;
 547 } __attribute__ ((packed));
 548
 549 struct ieee80211_probe_request {
 550         struct ieee80211_header_data header;
 551         /* struct ieee80211_info_element info_element; */
 552 } __attribute__ ((packed));
 553
 554 struct ieee80211_probe_response {
 555         struct ieee80211_header_data header;
 556         u32 time_stamp[2];
 557         u16 beacon_interval;
 558         u16 capability;
 559         struct ieee80211_info_element info_element;
 560 } __attribute__ ((packed));
 561
 562 struct ieee80211_assoc_request_frame {
 563         struct ieee80211_hdr_3addr header;
 564         u16 capability;
 565         u16 listen_interval;
 566         //u8 current_ap[ETH_ALEN];
 567         struct ieee80211_info_element_hdr info_element;
 568 } __attribute__ ((packed));
 569
 570 struct ieee80211_assoc_response_frame {
 571         struct ieee80211_hdr_3addr header;
 572         u16 capability;
 573         u16 status;
 574         u16 aid;
 575         struct ieee80211_info_element info_element; /* supported rates */
 576 } __attribute__ ((packed));
 577
 578 struct ieee80211_txb {
 579         u8 nr_frags;
 580         u8 encrypted;
 581         u16 reserved;
 582         u16 frag_size;
 583         u16 payload_size;
 584         struct sk_buff *fragments[0];
 585 };
 586
 587 /* SWEEP TABLE ENTRIES NUMBER */
 588 #define MAX_SWEEP_TAB_ENTRIES                   42
 589 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET        7
 590
 591 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 592  * only use 8, and then use extended rates for the remaining supported
 593  * rates.  Other APs, however, stick all of their supported rates on the
 594  * main rates information element... */
 595 #define MAX_RATES_LENGTH                        ((u8)12)
 596 #define MAX_RATES_EX_LENGTH                     ((u8)16)
 597
 598 #define MAX_NETWORK_COUNT                       128
 599
 600 #define MAX_CHANNEL_NUMBER                      165
 601
 602 #define IEEE80211_SOFTMAC_SCAN_TIME             100 /* (HZ / 2) */
 603 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME      (HZ * 2)
 604
 605 #define CRC_LENGTH      4U
 606
 607 #define MAX_WPA_IE_LEN  64
 608
 609 #define NETWORK_EMPTY_ESSID     (1 << 0)
 610 #define NETWORK_HAS_OFDM        (1 << 1)
 611 #define NETWORK_HAS_CCK         (1 << 2)
 612
 613 struct ieee80211_wmm_ac_param {
 614         u8 ac_aci_acm_aifsn;
 615         u8 ac_ecwmin_ecwmax;
 616         u16 ac_txop_limit;
 617 };
 618
 619 struct ieee80211_wmm_ts_info {
 620         u8 ac_dir_tid;
 621         u8 ac_up_psb;
 622         u8 reserved;
 623 } __attribute__ ((packed));
 624
 625 struct ieee80211_wmm_tspec_elem {
 626         struct ieee80211_wmm_ts_info ts_info;
 627         u16 norm_msdu_size;
 628         u16 max_msdu_size;
 629         u32 min_serv_inter;
 630         u32 max_serv_inter;
 631         u32 inact_inter;
 632         u32 suspen_inter;
 633         u32 serv_start_time;
 634         u32 min_data_rate;
 635         u32 mean_data_rate;
 636         u32 peak_data_rate;
 637         u32 max_burst_size;
 638         u32 delay_bound;
 639         u32 min_phy_rate;
 640         u16 surp_band_allow;
 641         u16 medium_time;
 642 }__attribute__((packed));
 643
 644 enum eap_type {
 645         EAP_PACKET = 0,
 646         EAPOL_START,
 647         EAPOL_LOGOFF,
 648         EAPOL_KEY,
 649         EAPOL_ENCAP_ASF_ALERT
 650 };
 651
 652 static const char *eap_types[] = {
 653         [EAP_PACKET]            = "EAP-Packet",
 654         [EAPOL_START]           = "EAPOL-Start",
 655         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 656         [EAPOL_KEY]             = "EAPOL-Key",
 657         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 658 };
 659
 660 static inline const char *eap_get_type(int type)
 661 {
 662         return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 663 }
 664
 665 struct eapol {
 666         u8 snap[6];
 667         u16 ethertype;
 668         u8 version;
 669         u8 type;
 670         u16 length;
 671 } __attribute__ ((packed));
 672
 673 struct ieee80211_softmac_stats {
 674         unsigned int rx_ass_ok;
 675         unsigned int rx_ass_err;
 676         unsigned int rx_probe_rq;
 677         unsigned int tx_probe_rs;
 678         unsigned int tx_beacons;
 679         unsigned int rx_auth_rq;
 680         unsigned int rx_auth_rs_ok;
 681         unsigned int rx_auth_rs_err;
 682         unsigned int tx_auth_rq;
 683         unsigned int no_auth_rs;
 684         unsigned int no_ass_rs;
 685         unsigned int tx_ass_rq;
 686         unsigned int rx_ass_rq;
 687         unsigned int tx_probe_rq;
 688         unsigned int reassoc;
 689         unsigned int swtxstop;
 690         unsigned int swtxawake;
 691 };
 692
 693 #define BEACON_PROBE_SSID_ID_POSITION 12
 694
 695 /*
 696  * These are the data types that can make up management packets
 697  *
 698         u16 auth_algorithm;
 699         u16 auth_sequence;
 700         u16 beacon_interval;
 701         u16 capability;
 702         u8 current_ap[ETH_ALEN];
 703         u16 listen_interval;
 704         struct {
 705                 u16 association_id:14, reserved:2;
 706         } __attribute__ ((packed));
 707         u32 time_stamp[2];
 708         u16 reason;
 709         u16 status;
 710 */
 711
 712 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 713 #define IEEE80211_DEFAULT_BASIC_RATE 10
 714
 715 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 716 #define MAX_SP_Len  (WMM_all_frame << 4)
 717 #define IEEE80211_QOS_TID 0x0f
 718 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 719
 720 #define MAX_IE_LEN                                              0xFF //+YJ,080625
 721
 722 typedef struct _CHANNEL_LIST{
 723         u8      Channel[MAX_CHANNEL_NUMBER + 1];
 724         u8      Len;
 725 }CHANNEL_LIST, *PCHANNEL_LIST;
 726
 727 //by amy for ps
 728 #define IEEE80211_WATCH_DOG_TIME    2000
 729 //by amy for ps
 730 //by amy for antenna
 731 #define ANTENNA_DIVERSITY_TIMER_PERIOD          1000 // 1000 m
 732 //by amy for antenna
 733
 734 #define IEEE80211_DTIM_MBCAST 4
 735 #define IEEE80211_DTIM_UCAST 2
 736 #define IEEE80211_DTIM_VALID 1
 737 #define IEEE80211_DTIM_INVALID 0
 738
 739 #define IEEE80211_PS_DISABLED 0
 740 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 741 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 742 #define IEEE80211_PS_ENABLE   IEEE80211_DTIM_VALID
 743 //added by David for QoS 2006/6/30
 744 //#define WMM_Hang_8187
 745 #ifdef WMM_Hang_8187
 746 #undef WMM_Hang_8187
 747 #endif
 748
 749 #define WME_AC_BE   0x00
 750 #define WME_AC_BK   0x01
 751 #define WME_AC_VI   0x02
 752 #define WME_AC_VO   0x03
 753 #define WME_ACI_MASK 0x03
 754 #define WME_AIFSN_MASK 0x03
 755 #define WME_AC_PRAM_LEN 16
 756
 757 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 758 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 759 #define UP2AC(up) (                \
 760         ((up) < 1) ? WME_AC_BE : \
 761         ((up) < 3) ? WME_AC_BK : \
 762         ((up) < 4) ? WME_AC_BE : \
 763         ((up) < 6) ? WME_AC_VI : \
 764         WME_AC_VO)
 765 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 766 #define AC2UP(_ac)      (       \
 767         ((_ac) == WME_AC_VO) ? 6 : \
 768         ((_ac) == WME_AC_VI) ? 5 : \
 769         ((_ac) == WME_AC_BK) ? 1 : \
 770         0)
 771
 772 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 773 struct  ether_header {
 774         u8 ether_dhost[ETHER_ADDR_LEN];
 775         u8 ether_shost[ETHER_ADDR_LEN];
 776         u16 ether_type;
 777 } __attribute__((packed));
 778
 779 #ifndef ETHERTYPE_PAE
 780 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 781 #endif
 782 #ifndef ETHERTYPE_IP
 783 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 784 #endif
 785
 786 struct ieee80211_network {
 787         /* These entries are used to identify a unique network */
 788         u8 bssid[ETH_ALEN];
 789         u8 channel;
 790         /* Ensure null-terminated for any debug msgs */
 791         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 792         u8 ssid_len;
 793
 794         /* These are network statistics */
 795         struct ieee80211_rx_stats stats;
 796         u16 capability;
 797         u8 rates[MAX_RATES_LENGTH];
 798         u8 rates_len;
 799         u8 rates_ex[MAX_RATES_EX_LENGTH];
 800         u8 rates_ex_len;
 801         unsigned long last_scanned;
 802         u8 mode;
 803         u8 flags;
 804         u32 last_associate;
 805         u32 time_stamp[2];
 806         u16 beacon_interval;
 807         u16 listen_interval;
 808         u16 atim_window;
 809         u8 wpa_ie[MAX_WPA_IE_LEN];
 810         size_t wpa_ie_len;
 811         u8 rsn_ie[MAX_WPA_IE_LEN];
 812         size_t rsn_ie_len;
 813         u8 dtim_period;
 814         u8 dtim_data;
 815         u32 last_dtim_sta_time[2];
 816         struct list_head list;
 817         //appeded for QoS
 818         u8 wmm_info;
 819         struct ieee80211_wmm_ac_param wmm_param[4];
 820         u8 QoS_Enable;
 821         u8 SignalStrength;
 822 //by amy 080312
 823         u8 HighestOperaRate;
 824 //by amy 080312
 825         u8 Turbo_Enable;//enable turbo mode, added by thomas
 826         u16 CountryIeLen;
 827         u8 CountryIeBuf[MAX_IE_LEN];
 828 };
 829
 830 enum ieee80211_state {
 831
 832         /* the card is not linked at all */
 833         IEEE80211_NOLINK = 0,
 834
 835         /* IEEE80211_ASSOCIATING* are for BSS client mode
 836          * the driver shall not perform RX filtering unless
 837          * the state is LINKED.
 838          * The driver shall just check for the state LINKED and
 839          * defaults to NOLINK for ALL the other states (including
 840          * LINKED_SCANNING)
 841          */
 842
 843         /* the association procedure will start (wq scheduling)*/
 844         IEEE80211_ASSOCIATING,
 845         IEEE80211_ASSOCIATING_RETRY,
 846
 847         /* the association procedure is sending AUTH request*/
 848         IEEE80211_ASSOCIATING_AUTHENTICATING,
 849
 850         /* the association procedure has successfully authentcated
 851          * and is sending association request
 852          */
 853         IEEE80211_ASSOCIATING_AUTHENTICATED,
 854
 855         /* the link is ok. the card associated to a BSS or linked
 856          * to a ibss cell or acting as an AP and creating the bss
 857          */
 858         IEEE80211_LINKED,
 859
 860         /* same as LINKED, but the driver shall apply RX filter
 861          * rules as we are in NO_LINK mode. As the card is still
 862          * logically linked, but it is doing a syncro site survey
 863          * then it will be back to LINKED state.
 864          */
 865         IEEE80211_LINKED_SCANNING,
 866
 867 };
 868
 869 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 870 #define DEFAULT_FTS 2346
 871
 872 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 873 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 874
 875 typedef struct tx_pending_t{
 876         int frag;
 877         struct ieee80211_txb *txb;
 878 }tx_pending_t;
 879
 880 enum {
 881         COUNTRY_CODE_FCC = 0,
 882         COUNTRY_CODE_IC = 1,
 883         COUNTRY_CODE_ETSI = 2,
 884         COUNTRY_CODE_SPAIN = 3,
 885         COUNTRY_CODE_FRANCE = 4,
 886         COUNTRY_CODE_MKK = 5,
 887         COUNTRY_CODE_MKK1 = 6,
 888         COUNTRY_CODE_ISRAEL = 7,
 889         COUNTRY_CODE_TELEC = 8,
 890         COUNTRY_CODE_GLOBAL_DOMAIN = 9,
 891         COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10
 892 };
 893
 894 struct ieee80211_device {
 895         struct net_device *dev;
 896
 897         /* Bookkeeping structures */
 898         struct net_device_stats stats;
 899         struct ieee80211_stats ieee_stats;
 900         struct ieee80211_softmac_stats softmac_stats;
 901
 902         /* Probe / Beacon management */
 903         struct list_head network_free_list;
 904         struct list_head network_list;
 905         struct ieee80211_network *networks;
 906         int scans;
 907         int scan_age;
 908
 909         int iw_mode; /* operating mode (IW_MODE_*) */
 910
 911         spinlock_t lock;
 912         spinlock_t wpax_suitlist_lock;
 913
 914         int tx_headroom; /* Set to size of any additional room needed at front
 915                           * of allocated Tx SKBs */
 916         u32 config;
 917
 918         /* WEP and other encryption related settings at the device level */
 919         int open_wep; /* Set to 1 to allow unencrypted frames */
 920
 921         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
 922                                  * WEP key changes */
 923
 924         /* If the host performs {en,de}cryption, then set to 1 */
 925         int host_encrypt;
 926         int host_decrypt;
 927         int ieee802_1x; /* is IEEE 802.1X used */
 928
 929         /* WPA data */
 930         int wpa_enabled;
 931         int drop_unencrypted;
 932         int tkip_countermeasures;
 933         int privacy_invoked;
 934         size_t wpa_ie_len;
 935         u8 *wpa_ie;
 936
 937         u8 ap_mac_addr[6];
 938         u16 pairwise_key_type;
 939         u16 broadcast_key_type;
 940
 941         struct list_head crypt_deinit_list;
 942         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 943         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 944         struct timer_list crypt_deinit_timer;
 945
 946         int bcrx_sta_key; /* use individual keys to override default keys even
 947                            * with RX of broad/multicast frames */
 948
 949         /* Fragmentation structures */
 950         // each streaming contain a entry
 951         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
 952         unsigned int frag_next_idx[17];
 953         u16 fts; /* Fragmentation Threshold */
 954
 955         /* This stores infos for the current network.
 956          * Either the network we are associated in INFRASTRUCTURE
 957          * or the network that we are creating in MASTER mode.
 958          * ad-hoc is a mixture ;-).
 959          * Note that in infrastructure mode, even when not associated,
 960          * fields bssid and essid may be valid (if wpa_set and essid_set
 961          * are true) as thy carry the value set by the user via iwconfig
 962          */
 963         struct ieee80211_network current_network;
 964
 965
 966         enum ieee80211_state state;
 967
 968         int short_slot;
 969         int mode;       /* A, B, G */
 970         int modulation; /* CCK, OFDM */
 971         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
 972         int abg_true;   /* ABG flag              */
 973
 974         /* used for forcing the ibss workqueue to terminate
 975          * without wait for the syncro scan to terminate
 976          */
 977         short sync_scan_hurryup;
 978
 979         void * pDot11dInfo;
 980         bool bGlobalDomain;
 981
 982         // For Liteon Ch12~13 passive scan
 983         u8      MinPassiveChnlNum;
 984         u8      IbssStartChnl;
 985
 986         int rate;       /* current rate */
 987         int basic_rate;
 988         //FIXME: pleace callback, see if redundant with softmac_features
 989         short active_scan;
 990
 991         /* this contains flags for selectively enable softmac support */
 992         u16 softmac_features;
 993
 994         /* if the sequence control field is not filled by HW */
 995         u16 seq_ctrl[5];
 996
 997         /* association procedure transaction sequence number */
 998         u16 associate_seq;
 999
1000         /* AID for RTXed association responses */
1001         u16 assoc_id;
1002
1003         /* power save mode related*/
1004         short ps;
1005         short sta_sleep;
1006         int ps_timeout;
1007         struct tasklet_struct ps_task;
1008         u32 ps_th;
1009         u32 ps_tl;
1010
1011         short raw_tx;
1012         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1013         short queue_stop;
1014         short scanning;
1015         short proto_started;
1016
1017         struct semaphore wx_sem;
1018         struct semaphore scan_sem;
1019
1020         spinlock_t mgmt_tx_lock;
1021         spinlock_t beacon_lock;
1022
1023         short beacon_txing;
1024
1025         short wap_set;
1026         short ssid_set;
1027
1028         u8  wpax_type_set;    //{added by David, 2006.9.28}
1029         u32 wpax_type_notify; //{added by David, 2006.9.26}
1030
1031         /* QoS related flag */
1032         char init_wmmparam_flag;
1033
1034         /* for discarding duplicated packets in IBSS */
1035         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1036
1037         /* for discarding duplicated packets in BSS */
1038         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1039         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1040         unsigned long last_packet_time[17];
1041
1042         /* for PS mode */
1043         unsigned long last_rx_ps_time;
1044
1045         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1046         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1047         int mgmt_queue_head;
1048         int mgmt_queue_tail;
1049
1050
1051         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1052         struct  tx_pending_t tx_pending;
1053
1054         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1055         struct timer_list associate_timer;
1056
1057         /* used if IEEE_SOFTMAC_BEACONS is set */
1058         struct timer_list beacon_timer;
1059
1060         struct work_struct associate_complete_wq;
1061 //      struct work_struct associate_retry_wq;
1062         struct work_struct associate_procedure_wq;
1063 //      struct work_struct softmac_scan_wq;
1064         struct work_struct wx_sync_scan_wq;
1065         struct work_struct wmm_param_update_wq;
1066         struct work_struct ps_request_tx_ack_wq;//for ps
1067 //      struct work_struct hw_wakeup_wq;
1068 //      struct work_struct hw_sleep_wq;
1069 //      struct work_struct watch_dog_wq;
1070         bool bInactivePs;
1071         bool actscanning;
1072         bool beinretry;
1073         u16 ListenInterval;
1074         unsigned long NumRxDataInPeriod; //YJ,add,080828
1075         unsigned long NumRxBcnInPeriod;  //YJ,add,080828
1076         unsigned long NumRxOkTotal;
1077         unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
1078         bool bHwRadioOff;
1079         struct delayed_work softmac_scan_wq;
1080         struct delayed_work associate_retry_wq;
1081         struct delayed_work hw_wakeup_wq;
1082         struct delayed_work hw_sleep_wq;//+by amy 080324
1083         struct delayed_work watch_dog_wq;
1084         struct delayed_work sw_antenna_wq;
1085         struct delayed_work  start_ibss_wq;
1086 //by amy for rate adaptive 080312
1087     struct delayed_work rate_adapter_wq;
1088 //by amy for rate adaptive
1089         struct delayed_work hw_dig_wq;
1090         struct delayed_work tx_pw_wq;
1091
1092 //Added for RF power on power off by lizhaoming 080512
1093         struct delayed_work GPIOChangeRFWorkItem;
1094
1095         struct workqueue_struct *wq;
1096
1097         /* Callback functions */
1098         void (*set_security)(struct net_device *dev,
1099                              struct ieee80211_security *sec);
1100
1101         /* Used to TX data frame by using txb structs.
1102          * this is not used if in the softmac_features
1103          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1104          */
1105         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1106                                struct net_device *dev);
1107
1108         int (*reset_port)(struct net_device *dev);
1109
1110         /* Softmac-generated frames (mamagement) are TXed via this
1111          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1112          * not set. As some cards may have different HW queues that
1113          * one might want to use for data and management frames
1114          * the option to have two callbacks might be useful.
1115          * This fucntion can't sleep.
1116          */
1117         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1118                                struct net_device *dev);
1119
1120         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1121          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1122          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1123          * then also management frames are sent via this callback.
1124          * This function can't sleep.
1125          */
1126         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1127                                struct net_device *dev,int rate);
1128
1129         /* stops the HW queue for DATA frames. Useful to avoid
1130          * waste time to TX data frame when we are reassociating
1131          * This function can sleep.
1132          */
1133         void (*data_hard_stop)(struct net_device *dev);
1134
1135         /* OK this is complementar to data_poll_hard_stop */
1136         void (*data_hard_resume)(struct net_device *dev);
1137
1138         /* ask to the driver to retune the radio .
1139          * This function can sleep. the driver should ensure
1140          * the radio has been swithced before return.
1141          */
1142         void (*set_chan)(struct net_device *dev,short ch);
1143
1144         /* These are not used if the ieee stack takes care of
1145          * scanning (IEEE_SOFTMAC_SCAN feature set).
1146          * In this case only the set_chan is used.
1147          *
1148          * The syncro version is similar to the start_scan but
1149          * does not return until all channels has been scanned.
1150          * this is called in user context and should sleep,
1151          * it is called in a work_queue when swithcing to ad-hoc mode
1152          * or in behalf of iwlist scan when the card is associated
1153          * and root user ask for a scan.
1154          * the fucntion stop_scan should stop both the syncro and
1155          * background scanning and can sleep.
1156          * The fucntion start_scan should initiate the background
1157          * scanning and can't sleep.
1158          */
1159         void (*scan_syncro)(struct net_device *dev);
1160         void (*start_scan)(struct net_device *dev);
1161         void (*stop_scan)(struct net_device *dev);
1162
1163         /* indicate the driver that the link state is changed
1164          * for example it may indicate the card is associated now.
1165          * Driver might be interested in this to apply RX filter
1166          * rules or simply light the LINK led
1167          */
1168         void (*link_change)(struct net_device *dev);
1169
1170         /* these two function indicates to the HW when to start
1171          * and stop to send beacons. This is used when the
1172          * IEEE_SOFTMAC_BEACONS is not set. For now the
1173          * stop_send_bacons is NOT guaranteed to be called only
1174          * after start_send_beacons.
1175          */
1176         void (*start_send_beacons) (struct net_device *dev);
1177         void (*stop_send_beacons) (struct net_device *dev);
1178
1179         /* power save mode related */
1180         void (*sta_wake_up) (struct net_device *dev);
1181         void (*ps_request_tx_ack) (struct net_device *dev);
1182         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1183         short (*ps_is_queue_empty) (struct net_device *dev);
1184
1185         /* QoS related */
1186         //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param);
1187         //void (*wmm_param_update) (struct ieee80211_device *ieee);
1188
1189         /* This must be the last item so that it points to the data
1190          * allocated beyond this structure by alloc_ieee80211 */
1191         u8 priv[0];
1192 };
1193
1194 #define IEEE_A            (1<<0)
1195 #define IEEE_B            (1<<1)
1196 #define IEEE_G            (1<<2)
1197 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1198
1199 /* Generate a 802.11 header */
1200
1201 /* Uses the channel change callback directly
1202  * instead of [start/stop] scan callbacks
1203  */
1204 #define IEEE_SOFTMAC_SCAN (1<<2)
1205
1206 /* Perform authentication and association handshake */
1207 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1208
1209 /* Generate probe requests */
1210 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1211
1212 /* Generate respones to probe requests */
1213 #define IEEE_SOFTMAC_PROBERS (1<<5)
1214
1215 /* The ieee802.11 stack will manages the netif queue
1216  * wake/stop for the driver, taking care of 802.11
1217  * fragmentation. See softmac.c for details. */
1218 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1219
1220 /* Uses only the softmac_data_hard_start_xmit
1221  * even for TX management frames.
1222  */
1223 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1224
1225 /* Generate beacons.  The stack will enqueue beacons
1226  * to the card
1227  */
1228 #define IEEE_SOFTMAC_BEACONS (1<<6)
1229
1230
1231
1232 static inline void *ieee80211_priv(struct net_device *dev)
1233 {
1234         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1235 }
1236
1237 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1238 {
1239         /* Single white space is for Linksys APs */
1240         if (essid_len == 1 && essid[0] == ' ')
1241                 return 1;
1242
1243         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1244         while (essid_len) {
1245                 essid_len--;
1246                 if (essid[essid_len] != '\0')
1247                         return 0;
1248         }
1249
1250         return 1;
1251 }
1252
1253 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1254 {
1255         /*
1256          * It is possible for both access points and our device to support
1257          * combinations of modes, so as long as there is one valid combination
1258          * of ap/device supported modes, then return success
1259          *
1260          */
1261         if ((mode & IEEE_A) &&
1262             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1263             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1264                 return 1;
1265
1266         if ((mode & IEEE_G) &&
1267             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1268             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1269                 return 1;
1270
1271         if ((mode & IEEE_B) &&
1272             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1273             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1274                 return 1;
1275
1276         return 0;
1277 }
1278
1279 extern inline int ieee80211_get_hdrlen(u16 fc)
1280 {
1281         int hdrlen = 24;
1282
1283         switch (WLAN_FC_GET_TYPE(fc)) {
1284         case IEEE80211_FTYPE_DATA:
1285                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1286                         hdrlen = 30; /* Addr4 */
1287                 if(IEEE80211_QOS_HAS_SEQ(fc))
1288                         hdrlen += 2; /* QOS ctrl*/
1289                 break;
1290         case IEEE80211_FTYPE_CTL:
1291                 switch (WLAN_FC_GET_STYPE(fc)) {
1292                 case IEEE80211_STYPE_CTS:
1293                 case IEEE80211_STYPE_ACK:
1294                         hdrlen = 10;
1295                         break;
1296                 default:
1297                         hdrlen = 16;
1298                         break;
1299                 }
1300                 break;
1301         }
1302
1303         return hdrlen;
1304 }
1305
1306
1307
1308 /* ieee80211.c */
1309 extern void free_ieee80211(struct net_device *dev);
1310 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1311
1312 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1313
1314 /* ieee80211_tx.c */
1315
1316 extern int ieee80211_encrypt_fragment(
1317         struct ieee80211_device *ieee,
1318         struct sk_buff *frag,
1319         int hdr_len);
1320
1321 extern int ieee80211_xmit(struct sk_buff *skb,
1322                           struct net_device *dev);
1323 extern void ieee80211_txb_free(struct ieee80211_txb *);
1324
1325
1326 /* ieee80211_rx.c */
1327 extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1328                         struct ieee80211_rx_stats *rx_stats);
1329 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1330                              struct ieee80211_hdr_4addr *header,
1331                              struct ieee80211_rx_stats *stats);
1332
1333 /* ieee80211_wx.c */
1334 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1335                                  struct iw_request_info *info,
1336                                  union iwreq_data *wrqu, char *key);
1337 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1338                                    struct iw_request_info *info,
1339                                    union iwreq_data *wrqu, char *key);
1340 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1341                                    struct iw_request_info *info,
1342                                    union iwreq_data *wrqu, char *key);
1343 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1344                             struct iw_request_info *info,
1345                             union iwreq_data* wrqu, char *extra);
1346 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1347                                struct iw_request_info *info,
1348                                struct iw_param *data, char *extra);
1349 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1350                                struct iw_request_info *info,
1351                                union iwreq_data *wrqu, char *extra);
1352
1353 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1354 /* ieee80211_softmac.c */
1355 extern short ieee80211_is_54g(struct ieee80211_network net);
1356 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1357 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1358                         struct ieee80211_rx_stats *rx_stats, u16 type,
1359                         u16 stype);
1360 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1361
1362 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1363 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1364 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1365 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1366 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1367 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1368 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1369 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1370 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1371 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1372 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1373 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1374 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1375 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1376 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1377 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1378 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1379 extern void ieee80211_wake_queue(struct ieee80211_device *ieee);
1380 extern void ieee80211_stop_queue(struct ieee80211_device *ieee);
1381 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1382 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1383 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1384 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1385 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1386 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1387 extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn);
1388 extern void ieee80211_start_scan(struct ieee80211_device *ieee);
1389
1390 //Add for RF power on power off by lizhaoming 080512
1391 extern void SendDisassociation(struct ieee80211_device *ieee,
1392                          u8*                     asSta,
1393                          u8                      asRsn);
1394
1395 /* ieee80211_crypt_ccmp&tkip&wep.c */
1396 extern void ieee80211_tkip_null(void);
1397 extern void ieee80211_wep_null(void);
1398 extern void ieee80211_ccmp_null(void);
1399 /* ieee80211_softmac_wx.c */
1400
1401 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1402                             struct iw_request_info *info,
1403                             union iwreq_data *wrqu, char *ext);
1404
1405 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1406                          struct iw_request_info *info,
1407                          union iwreq_data *awrq,
1408                          char *extra);
1409
1410 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1411
1412 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1413                              struct iw_request_info *info,
1414                              union iwreq_data *wrqu, char *extra);
1415
1416 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1417                              struct iw_request_info *info,
1418                              union iwreq_data *wrqu, char *extra);
1419
1420 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1421                              union iwreq_data *wrqu, char *b);
1422
1423 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1424                              union iwreq_data *wrqu, char *b);
1425
1426 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1427                               struct iw_request_info *a,
1428                               union iwreq_data *wrqu, char *extra);
1429
1430 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1431                              union iwreq_data *wrqu, char *b);
1432
1433 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1434                              union iwreq_data *wrqu, char *b);
1435
1436 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1437                              union iwreq_data *wrqu, char *b);
1438
1439 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1440
1441 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1442                                struct iw_request_info *info,
1443                                union iwreq_data *wrqu, char *extra);
1444
1445 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1446                              struct iw_request_info *info,
1447                              union iwreq_data *wrqu, char *extra);
1448
1449 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1450                                  struct iw_request_info *info,
1451                                  union iwreq_data *wrqu, char *extra);
1452
1453 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1454                                  struct iw_request_info *info,
1455                                  union iwreq_data *wrqu, char *extra);
1456
1457 extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1458
1459 extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
1460
1461 extern const long ieee80211_wlan_frequencies[];
1462
1463 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1464 {
1465         ieee->scans++;
1466 }
1467
1468 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1469 {
1470         return ieee->scans;
1471 }
1472
1473 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1474         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1475         const char *s = essid;
1476         char *d = escaped;
1477
1478         if (ieee80211_is_empty_essid(essid, essid_len)) {
1479                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1480                 return escaped;
1481         }
1482
1483         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1484         while (essid_len--) {
1485                 if (*s == '\0') {
1486                         *d++ = '\\';
1487                         *d++ = '0';
1488                         s++;
1489                 } else {
1490                         *d++ = *s++;
1491                 }
1492         }
1493         *d = '\0';
1494         return escaped;
1495 }
1496 #endif /* IEEE80211_H */