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/jiffies.h>
  29 #include <linux/timer.h>
  30 #include <linux/sched.h>
  31 #include <linux/semaphore.h>
  32 #include <linux/wireless.h>
  33 #include <linux/ieee80211.h>
  34 #include <linux/interrupt.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  * To use the debug system;
 167  *
 168  * If you are defining a new debug classification, simply add it to the #define
 169  * list here in the form of:
 170  *
 171  * #define IEEE80211_DL_xxxx VALUE
 172  *
 173  * shifting value to the left one bit from the previous entry.  xxxx should be
 174  * the name of the classification (for example, WEP)
 175  *
 176  * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
 177  * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
 178  * to send output to that classification.
 179  *
 180  * To add your debug level to the list of levels seen when you perform
 181  *
 182  * % cat /proc/net/ipw/debug_level
 183  *
 184  * you simply need to add your entry to the ipw_debug_levels array.
 185  *
 186  * If you do not see debug_level in /proc/net/ipw then you do not have
 187  * CONFIG_IEEE80211_DEBUG defined in your kernel configuration
 188  *
 189  */
 190
 191 #define IEEE80211_DL_INFO          (1<<0)
 192 #define IEEE80211_DL_WX            (1<<1)
 193 #define IEEE80211_DL_SCAN          (1<<2)
 194 #define IEEE80211_DL_STATE         (1<<3)
 195 #define IEEE80211_DL_MGMT          (1<<4)
 196 #define IEEE80211_DL_FRAG          (1<<5)
 197 #define IEEE80211_DL_EAP           (1<<6)
 198 #define IEEE80211_DL_DROP          (1<<7)
 199
 200 #define IEEE80211_DL_TX            (1<<8)
 201 #define IEEE80211_DL_RX            (1<<9)
 202
 203 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 204 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 205 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
 206
 207 #define IEEE80211_DEBUG_WX(f, a...)     IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
 208 #define IEEE80211_DEBUG_SCAN(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
 209 //#define IEEE_DEBUG_SCAN  IEEE80211_WARNING
 210 #define IEEE80211_DEBUG_STATE(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
 211 #define IEEE80211_DEBUG_MGMT(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
 212 #define IEEE80211_DEBUG_FRAG(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
 213 #define IEEE80211_DEBUG_EAP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
 214 #define IEEE80211_DEBUG_DROP(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
 215 #define IEEE80211_DEBUG_TX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
 216 #define IEEE80211_DEBUG_RX(f, a...)  IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
 217 #include <linux/netdevice.h>
 218 #include <linux/if_arp.h> /* ARPHRD_ETHER */
 219
 220 #ifndef WIRELESS_SPY
 221 #define WIRELESS_SPY            // enable iwspy support
 222 #endif
 223 #include <net/iw_handler.h>     // new driver API
 224
 225 #ifndef ETH_P_PAE
 226 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 227 #endif /* ETH_P_PAE */
 228
 229 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 230
 231 #ifndef ETH_P_80211_RAW
 232 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 233 #endif
 234
 235 /* IEEE 802.11 defines */
 236
 237 #define P80211_OUI_LEN 3
 238
 239 struct ieee80211_snap_hdr {
 240
 241         u8    dsap;   /* always 0xAA */
 242         u8    ssap;   /* always 0xAA */
 243         u8    ctrl;   /* always 0x03 */
 244         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 245
 246 } __attribute__ ((packed));
 247
 248 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 249
 250 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 251 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 252
 253 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 254 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)
 255
 256 #define WLAN_CAPABILITY_BSS (1<<0)
 257 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 258
 259 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 260 #define IEEE80211_STATMASK_RSSI (1<<1)
 261 #define IEEE80211_STATMASK_NOISE (1<<2)
 262 #define IEEE80211_STATMASK_RATE (1<<3)
 263 #define IEEE80211_STATMASK_WEMASK 0x7
 264
 265
 266 #define IEEE80211_CCK_MODULATION    (1<<0)
 267 #define IEEE80211_OFDM_MODULATION   (1<<1)
 268
 269 #define IEEE80211_24GHZ_BAND     (1<<0)
 270 #define IEEE80211_52GHZ_BAND     (1<<1)
 271
 272 #define IEEE80211_CCK_RATE_LEN                  4
 273 #define IEEE80211_CCK_RATE_1MB                  0x02
 274 #define IEEE80211_CCK_RATE_2MB                  0x04
 275 #define IEEE80211_CCK_RATE_5MB                  0x0B
 276 #define IEEE80211_CCK_RATE_11MB                 0x16
 277 #define IEEE80211_OFDM_RATE_LEN                 8
 278 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 279 #define IEEE80211_OFDM_RATE_9MB                 0x12
 280 #define IEEE80211_OFDM_RATE_12MB                0x18
 281 #define IEEE80211_OFDM_RATE_18MB                0x24
 282 #define IEEE80211_OFDM_RATE_24MB                0x30
 283 #define IEEE80211_OFDM_RATE_36MB                0x48
 284 #define IEEE80211_OFDM_RATE_48MB                0x60
 285 #define IEEE80211_OFDM_RATE_54MB                0x6C
 286 #define IEEE80211_BASIC_RATE_MASK               0x80
 287
 288 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 289 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 290 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 291 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 292 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 293 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 294 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 295 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 296 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 297 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 298 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 299 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 300
 301 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 302 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 303         IEEE80211_CCK_RATE_2MB_MASK)
 304 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 305         IEEE80211_CCK_RATE_5MB_MASK | \
 306         IEEE80211_CCK_RATE_11MB_MASK)
 307
 308 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 309 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 310         IEEE80211_OFDM_RATE_12MB_MASK | \
 311         IEEE80211_OFDM_RATE_24MB_MASK)
 312 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 313         IEEE80211_OFDM_RATE_9MB_MASK  | \
 314         IEEE80211_OFDM_RATE_18MB_MASK | \
 315         IEEE80211_OFDM_RATE_36MB_MASK | \
 316         IEEE80211_OFDM_RATE_48MB_MASK | \
 317         IEEE80211_OFDM_RATE_54MB_MASK)
 318 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 319                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 320
 321 #define IEEE80211_NUM_OFDM_RATES            8
 322 #define IEEE80211_NUM_CCK_RATES             4
 323 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 324
 325 /* this is stolen and modified from the madwifi driver*/
 326 #define IEEE80211_FC0_TYPE_MASK         0x0c
 327 #define IEEE80211_FC0_TYPE_DATA         0x08
 328 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 329 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 330
 331 #define IEEE80211_QOS_HAS_SEQ(fc) \
 332         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 333          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 334
 335 /* this is stolen from ipw2200 driver */
 336 #define IEEE_IBSS_MAC_HASH_SIZE 31
 337 struct ieee_ibss_seq {
 338         u8 mac[ETH_ALEN];
 339         u16 seq_num[17];
 340         u16 frag_num[17];
 341         unsigned long packet_time[17];
 342         struct list_head list;
 343 };
 344
 345 /* NOTE: This data is for statistical purposes; not all hardware provides this
 346  *       information for frames received.  Not setting these will not cause
 347  *       any adverse affects. */
 348 struct ieee80211_rx_stats {
 349         u32 mac_time[2];
 350         u8 signalstrength;
 351         s8 rssi;
 352         u8 signal;
 353         u8 noise;
 354         u16 rate; /* in 100 kbps */
 355         u8 received_channel;
 356         u8 control;
 357         u8 mask;
 358         u8 freq;
 359         u16 len;
 360         u8 nic_type;
 361 };
 362
 363 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 364  * three fragmented frames. This define can be increased to support more
 365  * concurrent frames, but it should be noted that each entry can consume about
 366  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 367 #define IEEE80211_FRAG_CACHE_LEN 4
 368
 369 struct ieee80211_frag_entry {
 370         unsigned long first_frag_time;
 371         unsigned int seq;
 372         unsigned int last_frag;
 373         struct sk_buff *skb;
 374         u8 src_addr[ETH_ALEN];
 375         u8 dst_addr[ETH_ALEN];
 376 };
 377
 378 struct ieee80211_stats {
 379         unsigned int tx_unicast_frames;
 380         unsigned int tx_multicast_frames;
 381         unsigned int tx_fragments;
 382         unsigned int tx_unicast_octets;
 383         unsigned int tx_multicast_octets;
 384         unsigned int tx_deferred_transmissions;
 385         unsigned int tx_single_retry_frames;
 386         unsigned int tx_multiple_retry_frames;
 387         unsigned int tx_retry_limit_exceeded;
 388         unsigned int tx_discards;
 389         unsigned int rx_unicast_frames;
 390         unsigned int rx_multicast_frames;
 391         unsigned int rx_fragments;
 392         unsigned int rx_unicast_octets;
 393         unsigned int rx_multicast_octets;
 394         unsigned int rx_fcs_errors;
 395         unsigned int rx_discards_no_buffer;
 396         unsigned int tx_discards_wrong_sa;
 397         unsigned int rx_discards_undecryptable;
 398         unsigned int rx_message_in_msg_fragments;
 399         unsigned int rx_message_in_bad_msg_fragments;
 400 };
 401
 402 struct ieee80211_device;
 403
 404 #include "ieee80211_crypt.h"
 405
 406 #define SEC_KEY_1         (1<<0)
 407 #define SEC_KEY_2         (1<<1)
 408 #define SEC_KEY_3         (1<<2)
 409 #define SEC_KEY_4         (1<<3)
 410 #define SEC_ACTIVE_KEY    (1<<4)
 411 #define SEC_AUTH_MODE     (1<<5)
 412 #define SEC_UNICAST_GROUP (1<<6)
 413 #define SEC_LEVEL         (1<<7)
 414 #define SEC_ENABLED       (1<<8)
 415
 416 #define SEC_LEVEL_0      0 /* None */
 417 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 418 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 419 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 420 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 421
 422 #define WEP_KEYS 4
 423 #define WEP_KEY_LEN 13
 424
 425 #define WEP_KEY_LEN_MODIF 32
 426
 427 struct ieee80211_security {
 428         u16 active_key:2,
 429             enabled:1,
 430             auth_mode:2,
 431             auth_algo:4,
 432             unicast_uses_group:1;
 433         u8 key_sizes[WEP_KEYS];
 434         u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF];
 435         u8 level;
 436         u16 flags;
 437 } __attribute__ ((packed));
 438
 439
 440 /*
 441
 442  802.11 data frame from AP
 443
 444       ,-------------------------------------------------------------------.
 445 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 446       |------|------|---------|---------|---------|------|---------|------|
 447 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 448       |      | tion | (BSSID) |         |         | ence |  data   |      |
 449       `-------------------------------------------------------------------'
 450
 451 Total: 28-2340 bytes
 452
 453 */
 454
 455 /* Management Frame Information Element Types */
 456 enum {
 457         MFIE_TYPE_SSID = 0,
 458         MFIE_TYPE_RATES = 1,
 459         MFIE_TYPE_FH_SET = 2,
 460         MFIE_TYPE_DS_SET = 3,
 461         MFIE_TYPE_CF_SET = 4,
 462         MFIE_TYPE_TIM = 5,
 463         MFIE_TYPE_IBSS_SET = 6,
 464         MFIE_TYPE_COUNTRY = 7,
 465         MFIE_TYPE_CHALLENGE = 16,
 466         MFIE_TYPE_ERP = 42,
 467         MFIE_TYPE_RSN = 48,
 468         MFIE_TYPE_RATES_EX = 50,
 469         MFIE_TYPE_GENERIC = 221,
 470 };
 471
 472 struct ieee80211_header_data {
 473         u16 frame_ctl;
 474         u16 duration_id;
 475         u8 addr1[6];
 476         u8 addr2[6];
 477         u8 addr3[6];
 478         u16 seq_ctrl;
 479 };
 480
 481 struct ieee80211_hdr_4addr {
 482         u16 frame_ctl;
 483         u16 duration_id;
 484         u8 addr1[ETH_ALEN];
 485         u8 addr2[ETH_ALEN];
 486         u8 addr3[ETH_ALEN];
 487         u16 seq_ctl;
 488         u8 addr4[ETH_ALEN];
 489 } __attribute__ ((packed));
 490
 491 struct ieee80211_hdr_3addrqos {
 492         u16 frame_ctl;
 493         u16 duration_id;
 494         u8 addr1[ETH_ALEN];
 495         u8 addr2[ETH_ALEN];
 496         u8 addr3[ETH_ALEN];
 497         u16 seq_ctl;
 498         u16 qos_ctl;
 499 } __attribute__ ((packed));
 500
 501 struct ieee80211_hdr_4addrqos {
 502         u16 frame_ctl;
 503         u16 duration_id;
 504         u8 addr1[ETH_ALEN];
 505         u8 addr2[ETH_ALEN];
 506         u8 addr3[ETH_ALEN];
 507         u16 seq_ctl;
 508         u8 addr4[ETH_ALEN];
 509         u16 qos_ctl;
 510 } __attribute__ ((packed));
 511
 512 struct ieee80211_info_element_hdr {
 513         u8 id;
 514         u8 len;
 515 } __attribute__ ((packed));
 516
 517 struct ieee80211_info_element {
 518         u8 id;
 519         u8 len;
 520         u8 data[0];
 521 } __attribute__ ((packed));
 522
 523 struct ieee80211_authentication {
 524         struct ieee80211_header_data header;
 525         u16 algorithm;
 526         u16 transaction;
 527         u16 status;
 528         //struct ieee80211_info_element_hdr info_element;
 529 } __attribute__ ((packed));
 530
 531 struct ieee80211_disassoc_frame {
 532         struct ieee80211_hdr_3addr header;
 533         u16    reasoncode;
 534 } __attribute__ ((packed));
 535
 536 struct ieee80211_probe_request {
 537         struct ieee80211_header_data header;
 538         /* struct ieee80211_info_element info_element; */
 539 } __attribute__ ((packed));
 540
 541 struct ieee80211_probe_response {
 542         struct ieee80211_header_data header;
 543         u32 time_stamp[2];
 544         u16 beacon_interval;
 545         u16 capability;
 546         struct ieee80211_info_element info_element;
 547 } __attribute__ ((packed));
 548
 549 struct ieee80211_assoc_request_frame {
 550         struct ieee80211_hdr_3addr header;
 551         u16 capability;
 552         u16 listen_interval;
 553         //u8 current_ap[ETH_ALEN];
 554         struct ieee80211_info_element_hdr info_element;
 555 } __attribute__ ((packed));
 556
 557 struct ieee80211_assoc_response_frame {
 558         struct ieee80211_hdr_3addr header;
 559         u16 capability;
 560         u16 status;
 561         u16 aid;
 562         struct ieee80211_info_element info_element; /* supported rates */
 563 } __attribute__ ((packed));
 564
 565 struct ieee80211_txb {
 566         u8 nr_frags;
 567         u8 encrypted;
 568         u16 reserved;
 569         u16 frag_size;
 570         u16 payload_size;
 571         struct sk_buff *fragments[0];
 572 };
 573
 574 /* SWEEP TABLE ENTRIES NUMBER */
 575 #define MAX_SWEEP_TAB_ENTRIES                   42
 576 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET        7
 577
 578 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 579  * only use 8, and then use extended rates for the remaining supported
 580  * rates.  Other APs, however, stick all of their supported rates on the
 581  * main rates information element... */
 582 #define MAX_RATES_LENGTH                        ((u8)12)
 583 #define MAX_RATES_EX_LENGTH                     ((u8)16)
 584
 585 #define MAX_NETWORK_COUNT                       128
 586
 587 #define MAX_CHANNEL_NUMBER                      165
 588
 589 #define IEEE80211_SOFTMAC_SCAN_TIME             100 /* (HZ / 2) */
 590 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME      (HZ * 2)
 591
 592 #define CRC_LENGTH      4U
 593
 594 #define MAX_WPA_IE_LEN  64
 595
 596 #define NETWORK_EMPTY_ESSID     (1 << 0)
 597 #define NETWORK_HAS_OFDM        (1 << 1)
 598 #define NETWORK_HAS_CCK         (1 << 2)
 599
 600 struct ieee80211_wmm_ac_param {
 601         u8 ac_aci_acm_aifsn;
 602         u8 ac_ecwmin_ecwmax;
 603         u16 ac_txop_limit;
 604 };
 605
 606 struct ieee80211_wmm_ts_info {
 607         u8 ac_dir_tid;
 608         u8 ac_up_psb;
 609         u8 reserved;
 610 } __attribute__ ((packed));
 611
 612 struct ieee80211_wmm_tspec_elem {
 613         struct ieee80211_wmm_ts_info ts_info;
 614         u16 norm_msdu_size;
 615         u16 max_msdu_size;
 616         u32 min_serv_inter;
 617         u32 max_serv_inter;
 618         u32 inact_inter;
 619         u32 suspen_inter;
 620         u32 serv_start_time;
 621         u32 min_data_rate;
 622         u32 mean_data_rate;
 623         u32 peak_data_rate;
 624         u32 max_burst_size;
 625         u32 delay_bound;
 626         u32 min_phy_rate;
 627         u16 surp_band_allow;
 628         u16 medium_time;
 629 }__attribute__((packed));
 630
 631 enum eap_type {
 632         EAP_PACKET = 0,
 633         EAPOL_START,
 634         EAPOL_LOGOFF,
 635         EAPOL_KEY,
 636         EAPOL_ENCAP_ASF_ALERT
 637 };
 638
 639 static const char *eap_types[] = {
 640         [EAP_PACKET]            = "EAP-Packet",
 641         [EAPOL_START]           = "EAPOL-Start",
 642         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 643         [EAPOL_KEY]             = "EAPOL-Key",
 644         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 645 };
 646
 647 static inline const char *eap_get_type(int type)
 648 {
 649         return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 650 }
 651
 652 struct eapol {
 653         u8 snap[6];
 654         u16 ethertype;
 655         u8 version;
 656         u8 type;
 657         u16 length;
 658 } __attribute__ ((packed));
 659
 660 struct ieee80211_softmac_stats {
 661         unsigned int rx_ass_ok;
 662         unsigned int rx_ass_err;
 663         unsigned int rx_probe_rq;
 664         unsigned int tx_probe_rs;
 665         unsigned int tx_beacons;
 666         unsigned int rx_auth_rq;
 667         unsigned int rx_auth_rs_ok;
 668         unsigned int rx_auth_rs_err;
 669         unsigned int tx_auth_rq;
 670         unsigned int no_auth_rs;
 671         unsigned int no_ass_rs;
 672         unsigned int tx_ass_rq;
 673         unsigned int rx_ass_rq;
 674         unsigned int tx_probe_rq;
 675         unsigned int reassoc;
 676         unsigned int swtxstop;
 677         unsigned int swtxawake;
 678 };
 679
 680 #define BEACON_PROBE_SSID_ID_POSITION 12
 681
 682 /*
 683  * These are the data types that can make up management packets
 684  *
 685         u16 auth_algorithm;
 686         u16 auth_sequence;
 687         u16 beacon_interval;
 688         u16 capability;
 689         u8 current_ap[ETH_ALEN];
 690         u16 listen_interval;
 691         struct {
 692                 u16 association_id:14, reserved:2;
 693         } __attribute__ ((packed));
 694         u32 time_stamp[2];
 695         u16 reason;
 696         u16 status;
 697 */
 698
 699 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 700 #define IEEE80211_DEFAULT_BASIC_RATE 10
 701
 702 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 703 #define MAX_SP_Len  (WMM_all_frame << 4)
 704 #define IEEE80211_QOS_TID 0x0f
 705 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 706
 707 #define MAX_IE_LEN                                              0xFF //+YJ,080625
 708
 709 typedef struct _CHANNEL_LIST{
 710         u8      Channel[MAX_CHANNEL_NUMBER + 1];
 711         u8      Len;
 712 }CHANNEL_LIST, *PCHANNEL_LIST;
 713
 714 //by amy for ps
 715 #define IEEE80211_WATCH_DOG_TIME    2000
 716 //by amy for ps
 717 //by amy for antenna
 718 #define ANTENNA_DIVERSITY_TIMER_PERIOD          1000 // 1000 m
 719 //by amy for antenna
 720
 721 #define IEEE80211_DTIM_MBCAST 4
 722 #define IEEE80211_DTIM_UCAST 2
 723 #define IEEE80211_DTIM_VALID 1
 724 #define IEEE80211_DTIM_INVALID 0
 725
 726 #define IEEE80211_PS_DISABLED 0
 727 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 728 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 729 #define IEEE80211_PS_ENABLE   IEEE80211_DTIM_VALID
 730 //added by David for QoS 2006/6/30
 731 //#define WMM_Hang_8187
 732 #ifdef WMM_Hang_8187
 733 #undef WMM_Hang_8187
 734 #endif
 735
 736 #define WME_AC_BE   0x00
 737 #define WME_AC_BK   0x01
 738 #define WME_AC_VI   0x02
 739 #define WME_AC_VO   0x03
 740 #define WME_ACI_MASK 0x03
 741 #define WME_AIFSN_MASK 0x03
 742 #define WME_AC_PRAM_LEN 16
 743
 744 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 745 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 746 #define UP2AC(up) (                \
 747         ((up) < 1) ? WME_AC_BE : \
 748         ((up) < 3) ? WME_AC_BK : \
 749         ((up) < 4) ? WME_AC_BE : \
 750         ((up) < 6) ? WME_AC_VI : \
 751         WME_AC_VO)
 752 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 753 #define AC2UP(_ac)      (       \
 754         ((_ac) == WME_AC_VO) ? 6 : \
 755         ((_ac) == WME_AC_VI) ? 5 : \
 756         ((_ac) == WME_AC_BK) ? 1 : \
 757         0)
 758
 759 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 760 struct  ether_header {
 761         u8 ether_dhost[ETHER_ADDR_LEN];
 762         u8 ether_shost[ETHER_ADDR_LEN];
 763         u16 ether_type;
 764 } __attribute__((packed));
 765
 766 #ifndef ETHERTYPE_PAE
 767 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 768 #endif
 769 #ifndef ETHERTYPE_IP
 770 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 771 #endif
 772
 773 struct ieee80211_network {
 774         /* These entries are used to identify a unique network */
 775         u8 bssid[ETH_ALEN];
 776         u8 channel;
 777         /* Ensure null-terminated for any debug msgs */
 778         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 779         u8 ssid_len;
 780
 781         /* These are network statistics */
 782         struct ieee80211_rx_stats stats;
 783         u16 capability;
 784         u8 rates[MAX_RATES_LENGTH];
 785         u8 rates_len;
 786         u8 rates_ex[MAX_RATES_EX_LENGTH];
 787         u8 rates_ex_len;
 788         unsigned long last_scanned;
 789         u8 mode;
 790         u8 flags;
 791         u32 last_associate;
 792         u32 time_stamp[2];
 793         u16 beacon_interval;
 794         u16 listen_interval;
 795         u16 atim_window;
 796         u8 wpa_ie[MAX_WPA_IE_LEN];
 797         size_t wpa_ie_len;
 798         u8 rsn_ie[MAX_WPA_IE_LEN];
 799         size_t rsn_ie_len;
 800         u8 dtim_period;
 801         u8 dtim_data;
 802         u32 last_dtim_sta_time[2];
 803         struct list_head list;
 804         //appeded for QoS
 805         u8 wmm_info;
 806         struct ieee80211_wmm_ac_param wmm_param[4];
 807         u8 QoS_Enable;
 808         u8 SignalStrength;
 809 //by amy 080312
 810         u8 HighestOperaRate;
 811 //by amy 080312
 812         u8 Turbo_Enable;//enable turbo mode, added by thomas
 813         u16 CountryIeLen;
 814         u8 CountryIeBuf[MAX_IE_LEN];
 815 };
 816
 817 enum ieee80211_state {
 818
 819         /* the card is not linked at all */
 820         IEEE80211_NOLINK = 0,
 821
 822         /* IEEE80211_ASSOCIATING* are for BSS client mode
 823          * the driver shall not perform RX filtering unless
 824          * the state is LINKED.
 825          * The driver shall just check for the state LINKED and
 826          * defaults to NOLINK for ALL the other states (including
 827          * LINKED_SCANNING)
 828          */
 829
 830         /* the association procedure will start (wq scheduling)*/
 831         IEEE80211_ASSOCIATING,
 832         IEEE80211_ASSOCIATING_RETRY,
 833
 834         /* the association procedure is sending AUTH request*/
 835         IEEE80211_ASSOCIATING_AUTHENTICATING,
 836
 837         /* the association procedure has successfully authentcated
 838          * and is sending association request
 839          */
 840         IEEE80211_ASSOCIATING_AUTHENTICATED,
 841
 842         /* the link is ok. the card associated to a BSS or linked
 843          * to a ibss cell or acting as an AP and creating the bss
 844          */
 845         IEEE80211_LINKED,
 846
 847         /* same as LINKED, but the driver shall apply RX filter
 848          * rules as we are in NO_LINK mode. As the card is still
 849          * logically linked, but it is doing a syncro site survey
 850          * then it will be back to LINKED state.
 851          */
 852         IEEE80211_LINKED_SCANNING,
 853
 854 };
 855
 856 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 857 #define DEFAULT_FTS 2346
 858
 859 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 860 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 861
 862 typedef struct tx_pending_t{
 863         int frag;
 864         struct ieee80211_txb *txb;
 865 }tx_pending_t;
 866
 867 enum {
 868         COUNTRY_CODE_FCC = 0,
 869         COUNTRY_CODE_IC = 1,
 870         COUNTRY_CODE_ETSI = 2,
 871         COUNTRY_CODE_SPAIN = 3,
 872         COUNTRY_CODE_FRANCE = 4,
 873         COUNTRY_CODE_MKK = 5,
 874         COUNTRY_CODE_MKK1 = 6,
 875         COUNTRY_CODE_ISRAEL = 7,
 876         COUNTRY_CODE_TELEC = 8,
 877         COUNTRY_CODE_GLOBAL_DOMAIN = 9,
 878         COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10
 879 };
 880
 881 struct ieee80211_device {
 882         struct net_device *dev;
 883
 884         /* Bookkeeping structures */
 885         struct net_device_stats stats;
 886         struct ieee80211_stats ieee_stats;
 887         struct ieee80211_softmac_stats softmac_stats;
 888
 889         /* Probe / Beacon management */
 890         struct list_head network_free_list;
 891         struct list_head network_list;
 892         struct ieee80211_network *networks;
 893         int scans;
 894         int scan_age;
 895
 896         int iw_mode; /* operating mode (IW_MODE_*) */
 897
 898         spinlock_t lock;
 899         spinlock_t wpax_suitlist_lock;
 900
 901         int tx_headroom; /* Set to size of any additional room needed at front
 902                           * of allocated Tx SKBs */
 903         u32 config;
 904
 905         /* WEP and other encryption related settings at the device level */
 906         int open_wep; /* Set to 1 to allow unencrypted frames */
 907
 908         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
 909                                  * WEP key changes */
 910
 911         /* If the host performs {en,de}cryption, then set to 1 */
 912         int host_encrypt;
 913         int host_decrypt;
 914         int ieee802_1x; /* is IEEE 802.1X used */
 915
 916         /* WPA data */
 917         int wpa_enabled;
 918         int drop_unencrypted;
 919         int tkip_countermeasures;
 920         int privacy_invoked;
 921         size_t wpa_ie_len;
 922         u8 *wpa_ie;
 923
 924         u8 ap_mac_addr[6];
 925         u16 pairwise_key_type;
 926         u16 broadcast_key_type;
 927
 928         struct list_head crypt_deinit_list;
 929         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 930         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 931         struct timer_list crypt_deinit_timer;
 932
 933         int bcrx_sta_key; /* use individual keys to override default keys even
 934                            * with RX of broad/multicast frames */
 935
 936         /* Fragmentation structures */
 937         // each streaming contain a entry
 938         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
 939         unsigned int frag_next_idx[17];
 940         u16 fts; /* Fragmentation Threshold */
 941
 942         /* This stores infos for the current network.
 943          * Either the network we are associated in INFRASTRUCTURE
 944          * or the network that we are creating in MASTER mode.
 945          * ad-hoc is a mixture ;-).
 946          * Note that in infrastructure mode, even when not associated,
 947          * fields bssid and essid may be valid (if wpa_set and essid_set
 948          * are true) as thy carry the value set by the user via iwconfig
 949          */
 950         struct ieee80211_network current_network;
 951
 952
 953         enum ieee80211_state state;
 954
 955         int short_slot;
 956         int mode;       /* A, B, G */
 957         int modulation; /* CCK, OFDM */
 958         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
 959         int abg_true;   /* ABG flag              */
 960
 961         /* used for forcing the ibss workqueue to terminate
 962          * without wait for the syncro scan to terminate
 963          */
 964         short sync_scan_hurryup;
 965
 966         void * pDot11dInfo;
 967         bool bGlobalDomain;
 968
 969         // For Liteon Ch12~13 passive scan
 970         u8      MinPassiveChnlNum;
 971         u8      IbssStartChnl;
 972
 973         int rate;       /* current rate */
 974         int basic_rate;
 975         //FIXME: pleace callback, see if redundant with softmac_features
 976         short active_scan;
 977
 978         /* this contains flags for selectively enable softmac support */
 979         u16 softmac_features;
 980
 981         /* if the sequence control field is not filled by HW */
 982         u16 seq_ctrl[5];
 983
 984         /* association procedure transaction sequence number */
 985         u16 associate_seq;
 986
 987         /* AID for RTXed association responses */
 988         u16 assoc_id;
 989
 990         /* power save mode related*/
 991         short ps;
 992         short sta_sleep;
 993         int ps_timeout;
 994         struct tasklet_struct ps_task;
 995         u32 ps_th;
 996         u32 ps_tl;
 997
 998         short raw_tx;
 999         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1000         short queue_stop;
1001         short scanning;
1002         short proto_started;
1003
1004         struct semaphore wx_sem;
1005         struct semaphore scan_sem;
1006
1007         spinlock_t mgmt_tx_lock;
1008         spinlock_t beacon_lock;
1009
1010         short beacon_txing;
1011
1012         short wap_set;
1013         short ssid_set;
1014
1015         u8  wpax_type_set;    //{added by David, 2006.9.28}
1016         u32 wpax_type_notify; //{added by David, 2006.9.26}
1017
1018         /* QoS related flag */
1019         char init_wmmparam_flag;
1020
1021         /* for discarding duplicated packets in IBSS */
1022         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1023
1024         /* for discarding duplicated packets in BSS */
1025         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1026         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1027         unsigned long last_packet_time[17];
1028
1029         /* for PS mode */
1030         unsigned long last_rx_ps_time;
1031
1032         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1033         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1034         int mgmt_queue_head;
1035         int mgmt_queue_tail;
1036
1037
1038         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1039         struct  tx_pending_t tx_pending;
1040
1041         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1042         struct timer_list associate_timer;
1043
1044         /* used if IEEE_SOFTMAC_BEACONS is set */
1045         struct timer_list beacon_timer;
1046
1047         struct work_struct associate_complete_wq;
1048 //      struct work_struct associate_retry_wq;
1049         struct work_struct associate_procedure_wq;
1050 //      struct work_struct softmac_scan_wq;
1051         struct work_struct wx_sync_scan_wq;
1052         struct work_struct wmm_param_update_wq;
1053         struct work_struct ps_request_tx_ack_wq;//for ps
1054 //      struct work_struct hw_wakeup_wq;
1055 //      struct work_struct hw_sleep_wq;
1056 //      struct work_struct watch_dog_wq;
1057         bool bInactivePs;
1058         bool actscanning;
1059         bool beinretry;
1060         u16 ListenInterval;
1061         unsigned long NumRxDataInPeriod; //YJ,add,080828
1062         unsigned long NumRxBcnInPeriod;  //YJ,add,080828
1063         unsigned long NumRxOkTotal;
1064         unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
1065         bool bHwRadioOff;
1066         struct delayed_work softmac_scan_wq;
1067         struct delayed_work associate_retry_wq;
1068         struct delayed_work hw_wakeup_wq;
1069         struct delayed_work hw_sleep_wq;//+by amy 080324
1070         struct delayed_work watch_dog_wq;
1071         struct delayed_work sw_antenna_wq;
1072         struct delayed_work  start_ibss_wq;
1073 //by amy for rate adaptive 080312
1074     struct delayed_work rate_adapter_wq;
1075 //by amy for rate adaptive
1076         struct delayed_work hw_dig_wq;
1077         struct delayed_work tx_pw_wq;
1078
1079 //Added for RF power on power off by lizhaoming 080512
1080         struct delayed_work GPIOChangeRFWorkItem;
1081
1082         struct workqueue_struct *wq;
1083
1084         /* Callback functions */
1085         void (*set_security)(struct net_device *dev,
1086                              struct ieee80211_security *sec);
1087
1088         /* Used to TX data frame by using txb structs.
1089          * this is not used if in the softmac_features
1090          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1091          */
1092         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1093                                struct net_device *dev);
1094
1095         int (*reset_port)(struct net_device *dev);
1096
1097         /* Softmac-generated frames (mamagement) are TXed via this
1098          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1099          * not set. As some cards may have different HW queues that
1100          * one might want to use for data and management frames
1101          * the option to have two callbacks might be useful.
1102          * This function can't sleep.
1103          */
1104         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1105                                struct net_device *dev);
1106
1107         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1108          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1109          * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1110          * then also management frames are sent via this callback.
1111          * This function can't sleep.
1112          */
1113         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1114                                struct net_device *dev,int rate);
1115
1116         /* stops the HW queue for DATA frames. Useful to avoid
1117          * waste time to TX data frame when we are reassociating
1118          * This function can sleep.
1119          */
1120         void (*data_hard_stop)(struct net_device *dev);
1121
1122         /* OK this is complementar to data_poll_hard_stop */
1123         void (*data_hard_resume)(struct net_device *dev);
1124
1125         /* ask to the driver to retune the radio .
1126          * This function can sleep. the driver should ensure
1127          * the radio has been swithced before return.
1128          */
1129         void (*set_chan)(struct net_device *dev,short ch);
1130
1131         /* These are not used if the ieee stack takes care of
1132          * scanning (IEEE_SOFTMAC_SCAN feature set).
1133          * In this case only the set_chan is used.
1134          *
1135          * The syncro version is similar to the start_scan but
1136          * does not return until all channels has been scanned.
1137          * this is called in user context and should sleep,
1138          * it is called in a work_queue when swithcing to ad-hoc mode
1139          * or in behalf of iwlist scan when the card is associated
1140          * and root user ask for a scan.
1141          * the function stop_scan should stop both the syncro and
1142          * background scanning and can sleep.
1143          * The function start_scan should initiate the background
1144          * scanning and can't sleep.
1145          */
1146         void (*scan_syncro)(struct net_device *dev);
1147         void (*start_scan)(struct net_device *dev);
1148         void (*stop_scan)(struct net_device *dev);
1149
1150         /* indicate the driver that the link state is changed
1151          * for example it may indicate the card is associated now.
1152          * Driver might be interested in this to apply RX filter
1153          * rules or simply light the LINK led
1154          */
1155         void (*link_change)(struct net_device *dev);
1156
1157         /* these two function indicates to the HW when to start
1158          * and stop to send beacons. This is used when the
1159          * IEEE_SOFTMAC_BEACONS is not set. For now the
1160          * stop_send_bacons is NOT guaranteed to be called only
1161          * after start_send_beacons.
1162          */
1163         void (*start_send_beacons) (struct net_device *dev);
1164         void (*stop_send_beacons) (struct net_device *dev);
1165
1166         /* power save mode related */
1167         void (*sta_wake_up) (struct net_device *dev);
1168         void (*ps_request_tx_ack) (struct net_device *dev);
1169         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1170         short (*ps_is_queue_empty) (struct net_device *dev);
1171
1172         /* QoS related */
1173         //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param);
1174         //void (*wmm_param_update) (struct ieee80211_device *ieee);
1175
1176         /* This must be the last item so that it points to the data
1177          * allocated beyond this structure by alloc_ieee80211 */
1178         u8 priv[0];
1179 };
1180
1181 #define IEEE_A            (1<<0)
1182 #define IEEE_B            (1<<1)
1183 #define IEEE_G            (1<<2)
1184 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1185
1186 /* Generate a 802.11 header */
1187
1188 /* Uses the channel change callback directly
1189  * instead of [start/stop] scan callbacks
1190  */
1191 #define IEEE_SOFTMAC_SCAN (1<<2)
1192
1193 /* Perform authentication and association handshake */
1194 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1195
1196 /* Generate probe requests */
1197 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1198
1199 /* Generate respones to probe requests */
1200 #define IEEE_SOFTMAC_PROBERS (1<<5)
1201
1202 /* The ieee802.11 stack will manages the netif queue
1203  * wake/stop for the driver, taking care of 802.11
1204  * fragmentation. See softmac.c for details. */
1205 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1206
1207 /* Uses only the softmac_data_hard_start_xmit
1208  * even for TX management frames.
1209  */
1210 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1211
1212 /* Generate beacons.  The stack will enqueue beacons
1213  * to the card
1214  */
1215 #define IEEE_SOFTMAC_BEACONS (1<<6)
1216
1217
1218
1219 static inline void *ieee80211_priv(struct net_device *dev)
1220 {
1221         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1222 }
1223
1224 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1225 {
1226         /* Single white space is for Linksys APs */
1227         if (essid_len == 1 && essid[0] == ' ')
1228                 return 1;
1229
1230         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1231         while (essid_len) {
1232                 essid_len--;
1233                 if (essid[essid_len] != '\0')
1234                         return 0;
1235         }
1236
1237         return 1;
1238 }
1239
1240 extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
1241 {
1242         /*
1243          * It is possible for both access points and our device to support
1244          * combinations of modes, so as long as there is one valid combination
1245          * of ap/device supported modes, then return success
1246          *
1247          */
1248         if ((mode & IEEE_A) &&
1249             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1250             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1251                 return 1;
1252
1253         if ((mode & IEEE_G) &&
1254             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1255             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1256                 return 1;
1257
1258         if ((mode & IEEE_B) &&
1259             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1260             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1261                 return 1;
1262
1263         return 0;
1264 }
1265
1266 extern inline int ieee80211_get_hdrlen(u16 fc)
1267 {
1268         int hdrlen = 24;
1269
1270         switch (WLAN_FC_GET_TYPE(fc)) {
1271         case IEEE80211_FTYPE_DATA:
1272                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1273                         hdrlen = 30; /* Addr4 */
1274                 if(IEEE80211_QOS_HAS_SEQ(fc))
1275                         hdrlen += 2; /* QOS ctrl*/
1276                 break;
1277         case IEEE80211_FTYPE_CTL:
1278                 switch (WLAN_FC_GET_STYPE(fc)) {
1279                 case IEEE80211_STYPE_CTS:
1280                 case IEEE80211_STYPE_ACK:
1281                         hdrlen = 10;
1282                         break;
1283                 default:
1284                         hdrlen = 16;
1285                         break;
1286                 }
1287                 break;
1288         }
1289
1290         return hdrlen;
1291 }
1292
1293
1294
1295 /* ieee80211.c */
1296 extern void free_ieee80211(struct net_device *dev);
1297 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1298
1299 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1300
1301 /* ieee80211_tx.c */
1302
1303 extern int ieee80211_encrypt_fragment(
1304         struct ieee80211_device *ieee,
1305         struct sk_buff *frag,
1306         int hdr_len);
1307
1308 extern int ieee80211_rtl_xmit(struct sk_buff *skb,
1309                           struct net_device *dev);
1310 extern void ieee80211_txb_free(struct ieee80211_txb *);
1311
1312
1313 /* ieee80211_rx.c */
1314 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1315                         struct ieee80211_rx_stats *rx_stats);
1316 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1317                              struct ieee80211_hdr_4addr *header,
1318                              struct ieee80211_rx_stats *stats);
1319
1320 /* ieee80211_wx.c */
1321 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1322                                  struct iw_request_info *info,
1323                                  union iwreq_data *wrqu, char *key);
1324 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1325                                    struct iw_request_info *info,
1326                                    union iwreq_data *wrqu, char *key);
1327 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1328                                    struct iw_request_info *info,
1329                                    union iwreq_data *wrqu, char *key);
1330 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1331                             struct iw_request_info *info,
1332                             union iwreq_data* wrqu, char *extra);
1333 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1334                                struct iw_request_info *info,
1335                                struct iw_param *data, char *extra);
1336 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1337                                struct iw_request_info *info,
1338                                union iwreq_data *wrqu, char *extra);
1339
1340 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1341 /* ieee80211_softmac.c */
1342 extern short ieee80211_is_54g(struct ieee80211_network net);
1343 extern short ieee80211_is_shortslot(struct ieee80211_network net);
1344 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1345                         struct ieee80211_rx_stats *rx_stats, u16 type,
1346                         u16 stype);
1347 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net);
1348
1349 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
1350 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1351 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1352 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1353 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1354 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1355 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1356 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1357 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1358 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1359 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1360 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1361 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1362 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1363 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1364 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1365 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1366 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1367 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1368 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1369 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1370 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1371 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p);
1372 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1373 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1374 extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn);
1375 extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
1376
1377 //Add for RF power on power off by lizhaoming 080512
1378 extern void SendDisassociation(struct ieee80211_device *ieee,
1379                          u8*                     asSta,
1380                          u8                      asRsn);
1381
1382 /* ieee80211_crypt_ccmp&tkip&wep.c */
1383 extern void ieee80211_tkip_null(void);
1384 extern void ieee80211_wep_null(void);
1385 extern void ieee80211_ccmp_null(void);
1386 /* ieee80211_softmac_wx.c */
1387
1388 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1389                             struct iw_request_info *info,
1390                             union iwreq_data *wrqu, char *ext);
1391
1392 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1393                          struct iw_request_info *info,
1394                          union iwreq_data *awrq,
1395                          char *extra);
1396
1397 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b);
1398
1399 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1400                              struct iw_request_info *info,
1401                              union iwreq_data *wrqu, char *extra);
1402
1403 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1404                              struct iw_request_info *info,
1405                              union iwreq_data *wrqu, char *extra);
1406
1407 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1408                              union iwreq_data *wrqu, char *b);
1409
1410 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
1411                              union iwreq_data *wrqu, char *b);
1412
1413 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1414                               struct iw_request_info *a,
1415                               union iwreq_data *wrqu, char *extra);
1416
1417 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
1418                              union iwreq_data *wrqu, char *b);
1419
1420 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1421                              union iwreq_data *wrqu, char *b);
1422
1423 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
1424                              union iwreq_data *wrqu, char *b);
1425
1426 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1427
1428 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1429                                struct iw_request_info *info,
1430                                union iwreq_data *wrqu, char *extra);
1431
1432 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1433                              struct iw_request_info *info,
1434                              union iwreq_data *wrqu, char *extra);
1435
1436 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1437                                  struct iw_request_info *info,
1438                                  union iwreq_data *wrqu, char *extra);
1439
1440 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1441                                  struct iw_request_info *info,
1442                                  union iwreq_data *wrqu, char *extra);
1443
1444 extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1445
1446 extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
1447
1448 extern const long ieee80211_wlan_frequencies[];
1449
1450 extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1451 {
1452         ieee->scans++;
1453 }
1454
1455 extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1456 {
1457         return ieee->scans;
1458 }
1459
1460 static inline const char *escape_essid(const char *essid, u8 essid_len) {
1461         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
1462         const char *s = essid;
1463         char *d = escaped;
1464
1465         if (ieee80211_is_empty_essid(essid, essid_len)) {
1466                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
1467                 return escaped;
1468         }
1469
1470         essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
1471         while (essid_len--) {
1472                 if (*s == '\0') {
1473                         *d++ = '\\';
1474                         *d++ = '0';
1475                         s++;
1476                 } else {
1477                         *d++ = *s++;
1478                 }
1479         }
1480         *d = '\0';
1481         return escaped;
1482 }
1483 #endif /* IEEE80211_H */