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  * <andrea.merello@gmail.com>
  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 extern int ieee80211_crypto_tkip_init(void);
  94 extern void ieee80211_crypto_tkip_exit(void);
  95
  96 //by amy for ps
  97 typedef struct ieee_param {
  98         u32 cmd;
  99         u8 sta_addr[ETH_ALEN];
 100         union {
 101                 struct {
 102                         u8 name;
 103                         u32 value;
 104                 } wpa_param;
 105                 struct {
 106                         u32 len;
 107                         u8 reserved[32];
 108                         u8 data[0];
 109                 } wpa_ie;
 110                 struct{
 111                         int command;
 112                         int reason_code;
 113                 } mlme;
 114                 struct {
 115                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 116                         u8 set_tx;
 117                         u32 err;
 118                         u8 idx;
 119                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 120                         u16 key_len;
 121                         u8 key[0];
 122                 } crypt;
 123
 124         } u;
 125 }ieee_param;
 126
 127
 128 #define MSECS(t) msecs_to_jiffies(t)
 129 #define msleep_interruptible_rtl  msleep_interruptible
 130
 131 #define IEEE80211_DATA_LEN              2304
 132 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 133    6.2.1.1.2.
 134
 135    The figure in section 7.1.2 suggests a body size of up to 2312
 136    bytes is allowed, which is a bit confusing, I suspect this
 137    represents the 2304 bytes of real data, plus a possible 8 bytes of
 138    WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
 139
 140 #define IEEE80211_3ADDR_LEN 24
 141 #define IEEE80211_4ADDR_LEN 30
 142 #define IEEE80211_FCS_LEN    4
 143 #define IEEE80211_HLEN                  IEEE80211_4ADDR_LEN
 144 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 145 #define IEEE80211_MGMT_HDR_LEN 24
 146 #define IEEE80211_DATA_HDR3_LEN 24
 147 #define IEEE80211_DATA_HDR4_LEN 30
 148
 149 #define MIN_FRAG_THRESHOLD     256U
 150 #define MAX_FRAG_THRESHOLD     2346U
 151
 152 /* Frame control field constants */
 153 #define IEEE80211_FCTL_DSTODS           0x0300 //added by david
 154 #define IEEE80211_FCTL_WEP              0x4000
 155
 156 /* debug macros */
 157
 158 #ifdef CONFIG_IEEE80211_DEBUG
 159 extern u32 ieee80211_debug_level;
 160 #define IEEE80211_DEBUG(level, fmt, args...) \
 161 do { if (ieee80211_debug_level & (level)) \
 162   printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
 163          in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
 164 #else
 165 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 166 #endif  /* CONFIG_IEEE80211_DEBUG */
 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/if_arp.h> /* ARPHRD_ETHER */
 222
 223 #ifndef WIRELESS_SPY
 224 #define WIRELESS_SPY            // enable iwspy support
 225 #endif
 226 #include <net/iw_handler.h>     // new driver API
 227
 228 #ifndef ETH_P_PAE
 229 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 230 #endif /* ETH_P_PAE */
 231
 232 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
 233
 234 #ifndef ETH_P_80211_RAW
 235 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 236 #endif
 237
 238 /* IEEE 802.11 defines */
 239
 240 #define P80211_OUI_LEN 3
 241
 242 struct ieee80211_snap_hdr {
 243
 244         u8    dsap;   /* always 0xAA */
 245         u8    ssap;   /* always 0xAA */
 246         u8    ctrl;   /* always 0x03 */
 247         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 248
 249 } __attribute__ ((packed));
 250
 251 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 252
 253 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 254 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
 255
 256 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
 257 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & IEEE80211_SCTL_SEQ)
 258
 259 #define WLAN_CAPABILITY_BSS (1<<0)
 260 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
 261
 262 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 263 #define IEEE80211_STATMASK_RSSI (1<<1)
 264 #define IEEE80211_STATMASK_NOISE (1<<2)
 265 #define IEEE80211_STATMASK_RATE (1<<3)
 266 #define IEEE80211_STATMASK_WEMASK 0x7
 267
 268
 269 #define IEEE80211_CCK_MODULATION    (1<<0)
 270 #define IEEE80211_OFDM_MODULATION   (1<<1)
 271
 272 #define IEEE80211_24GHZ_BAND     (1<<0)
 273 #define IEEE80211_52GHZ_BAND     (1<<1)
 274
 275 #define IEEE80211_CCK_RATE_LEN                  4
 276 #define IEEE80211_CCK_RATE_1MB                  0x02
 277 #define IEEE80211_CCK_RATE_2MB                  0x04
 278 #define IEEE80211_CCK_RATE_5MB                  0x0B
 279 #define IEEE80211_CCK_RATE_11MB                 0x16
 280 #define IEEE80211_OFDM_RATE_LEN                 8
 281 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 282 #define IEEE80211_OFDM_RATE_9MB                 0x12
 283 #define IEEE80211_OFDM_RATE_12MB                0x18
 284 #define IEEE80211_OFDM_RATE_18MB                0x24
 285 #define IEEE80211_OFDM_RATE_24MB                0x30
 286 #define IEEE80211_OFDM_RATE_36MB                0x48
 287 #define IEEE80211_OFDM_RATE_48MB                0x60
 288 #define IEEE80211_OFDM_RATE_54MB                0x6C
 289 #define IEEE80211_BASIC_RATE_MASK               0x80
 290
 291 #define IEEE80211_CCK_RATE_1MB_MASK             (1<<0)
 292 #define IEEE80211_CCK_RATE_2MB_MASK             (1<<1)
 293 #define IEEE80211_CCK_RATE_5MB_MASK             (1<<2)
 294 #define IEEE80211_CCK_RATE_11MB_MASK            (1<<3)
 295 #define IEEE80211_OFDM_RATE_6MB_MASK            (1<<4)
 296 #define IEEE80211_OFDM_RATE_9MB_MASK            (1<<5)
 297 #define IEEE80211_OFDM_RATE_12MB_MASK           (1<<6)
 298 #define IEEE80211_OFDM_RATE_18MB_MASK           (1<<7)
 299 #define IEEE80211_OFDM_RATE_24MB_MASK           (1<<8)
 300 #define IEEE80211_OFDM_RATE_36MB_MASK           (1<<9)
 301 #define IEEE80211_OFDM_RATE_48MB_MASK           (1<<10)
 302 #define IEEE80211_OFDM_RATE_54MB_MASK           (1<<11)
 303
 304 #define IEEE80211_CCK_RATES_MASK                0x0000000F
 305 #define IEEE80211_CCK_BASIC_RATES_MASK  (IEEE80211_CCK_RATE_1MB_MASK | \
 306         IEEE80211_CCK_RATE_2MB_MASK)
 307 #define IEEE80211_CCK_DEFAULT_RATES_MASK        (IEEE80211_CCK_BASIC_RATES_MASK | \
 308         IEEE80211_CCK_RATE_5MB_MASK | \
 309         IEEE80211_CCK_RATE_11MB_MASK)
 310
 311 #define IEEE80211_OFDM_RATES_MASK               0x00000FF0
 312 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
 313         IEEE80211_OFDM_RATE_12MB_MASK | \
 314         IEEE80211_OFDM_RATE_24MB_MASK)
 315 #define IEEE80211_OFDM_DEFAULT_RATES_MASK       (IEEE80211_OFDM_BASIC_RATES_MASK | \
 316         IEEE80211_OFDM_RATE_9MB_MASK  | \
 317         IEEE80211_OFDM_RATE_18MB_MASK | \
 318         IEEE80211_OFDM_RATE_36MB_MASK | \
 319         IEEE80211_OFDM_RATE_48MB_MASK | \
 320         IEEE80211_OFDM_RATE_54MB_MASK)
 321 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
 322                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
 323
 324 #define IEEE80211_NUM_OFDM_RATES            8
 325 #define IEEE80211_NUM_CCK_RATES             4
 326 #define IEEE80211_OFDM_SHIFT_MASK_A         4
 327
 328 /* this is stolen and modified from the madwifi driver*/
 329 #define IEEE80211_FC0_TYPE_MASK         0x0c
 330 #define IEEE80211_FC0_TYPE_DATA         0x08
 331 #define IEEE80211_FC0_SUBTYPE_MASK      0xB0
 332 #define IEEE80211_FC0_SUBTYPE_QOS       0x80
 333
 334 #define IEEE80211_QOS_HAS_SEQ(fc) \
 335         (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \
 336          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
 337
 338 /* this is stolen from ipw2200 driver */
 339 #define IEEE_IBSS_MAC_HASH_SIZE 31
 340 struct ieee_ibss_seq {
 341         u8 mac[ETH_ALEN];
 342         u16 seq_num[17];
 343         u16 frag_num[17];
 344         unsigned long packet_time[17];
 345         struct list_head list;
 346 };
 347
 348 /* NOTE: This data is for statistical purposes; not all hardware provides this
 349  *       information for frames received.  Not setting these will not cause
 350  *       any adverse affects. */
 351 struct ieee80211_rx_stats {
 352         u32 mac_time[2];
 353         u8 signalstrength;
 354         s8 rssi;
 355         u8 signal;
 356         u8 noise;
 357         u16 rate; /* in 100 kbps */
 358         u8 received_channel;
 359         u8 control;
 360         u8 mask;
 361         u8 freq;
 362         u16 len;
 363         u8 nic_type;
 364 };
 365
 366 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 367  * three fragmented frames. This define can be increased to support more
 368  * concurrent frames, but it should be noted that each entry can consume about
 369  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
 370 #define IEEE80211_FRAG_CACHE_LEN 4
 371
 372 struct ieee80211_frag_entry {
 373         unsigned long first_frag_time;
 374         unsigned int seq;
 375         unsigned int last_frag;
 376         struct sk_buff *skb;
 377         u8 src_addr[ETH_ALEN];
 378         u8 dst_addr[ETH_ALEN];
 379 };
 380
 381 struct ieee80211_stats {
 382         unsigned int tx_unicast_frames;
 383         unsigned int tx_multicast_frames;
 384         unsigned int tx_fragments;
 385         unsigned int tx_unicast_octets;
 386         unsigned int tx_multicast_octets;
 387         unsigned int tx_deferred_transmissions;
 388         unsigned int tx_single_retry_frames;
 389         unsigned int tx_multiple_retry_frames;
 390         unsigned int tx_retry_limit_exceeded;
 391         unsigned int tx_discards;
 392         unsigned int rx_unicast_frames;
 393         unsigned int rx_multicast_frames;
 394         unsigned int rx_fragments;
 395         unsigned int rx_unicast_octets;
 396         unsigned int rx_multicast_octets;
 397         unsigned int rx_fcs_errors;
 398         unsigned int rx_discards_no_buffer;
 399         unsigned int tx_discards_wrong_sa;
 400         unsigned int rx_discards_undecryptable;
 401         unsigned int rx_message_in_msg_fragments;
 402         unsigned int rx_message_in_bad_msg_fragments;
 403 };
 404
 405 struct ieee80211_device;
 406
 407 #include "ieee80211_crypt.h"
 408
 409 #define SEC_KEY_1         (1<<0)
 410 #define SEC_KEY_2         (1<<1)
 411 #define SEC_KEY_3         (1<<2)
 412 #define SEC_KEY_4         (1<<3)
 413 #define SEC_ACTIVE_KEY    (1<<4)
 414 #define SEC_AUTH_MODE     (1<<5)
 415 #define SEC_UNICAST_GROUP (1<<6)
 416 #define SEC_LEVEL         (1<<7)
 417 #define SEC_ENABLED       (1<<8)
 418
 419 #define SEC_LEVEL_0      0 /* None */
 420 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 421 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 422 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 423 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 424
 425 #define WEP_KEYS 4
 426 #define WEP_KEY_LEN 13
 427
 428 #define WEP_KEY_LEN_MODIF 32
 429
 430 struct ieee80211_security {
 431         u16 active_key:2,
 432             enabled:1,
 433             auth_mode:2,
 434             auth_algo:4,
 435             unicast_uses_group:1;
 436         u8 key_sizes[WEP_KEYS];
 437         u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF];
 438         u8 level;
 439         u16 flags;
 440 } __attribute__ ((packed));
 441
 442
 443 /*
 444
 445  802.11 data frame from AP
 446
 447       ,-------------------------------------------------------------------.
 448 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 449       |------|------|---------|---------|---------|------|---------|------|
 450 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 451       |      | tion | (BSSID) |         |         | ence |  data   |      |
 452       `-------------------------------------------------------------------'
 453
 454 Total: 28-2340 bytes
 455
 456 */
 457
 458 /* Management Frame Information Element Types */
 459 enum {
 460         MFIE_TYPE_SSID = 0,
 461         MFIE_TYPE_RATES = 1,
 462         MFIE_TYPE_FH_SET = 2,
 463         MFIE_TYPE_DS_SET = 3,
 464         MFIE_TYPE_CF_SET = 4,
 465         MFIE_TYPE_TIM = 5,
 466         MFIE_TYPE_IBSS_SET = 6,
 467         MFIE_TYPE_COUNTRY = 7,
 468         MFIE_TYPE_CHALLENGE = 16,
 469         MFIE_TYPE_ERP = 42,
 470         MFIE_TYPE_RSN = 48,
 471         MFIE_TYPE_RATES_EX = 50,
 472         MFIE_TYPE_GENERIC = 221,
 473 };
 474
 475 struct ieee80211_header_data {
 476         __le16 frame_ctl;
 477         u16 duration_id;
 478         u8 addr1[6];
 479         u8 addr2[6];
 480         u8 addr3[6];
 481         u16 seq_ctrl;
 482 };
 483
 484 struct ieee80211_hdr_4addr {
 485         __le16 frame_ctl;
 486         u16 duration_id;
 487         u8 addr1[ETH_ALEN];
 488         u8 addr2[ETH_ALEN];
 489         u8 addr3[ETH_ALEN];
 490         u16 seq_ctl;
 491         u8 addr4[ETH_ALEN];
 492 } __attribute__ ((packed));
 493
 494 struct ieee80211_hdr_3addrqos {
 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         u16 qos_ctl;
 502 } __attribute__ ((packed));
 503
 504 struct ieee80211_hdr_4addrqos {
 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         u8 addr4[ETH_ALEN];
 512         u16 qos_ctl;
 513 } __attribute__ ((packed));
 514
 515 struct ieee80211_info_element_hdr {
 516         u8 id;
 517         u8 len;
 518 } __attribute__ ((packed));
 519
 520 struct ieee80211_info_element {
 521         u8 id;
 522         u8 len;
 523         u8 data[0];
 524 } __attribute__ ((packed));
 525
 526 struct ieee80211_authentication {
 527         struct ieee80211_header_data header;
 528         u16 algorithm;
 529         u16 transaction;
 530         u16 status;
 531         //struct ieee80211_info_element_hdr info_element;
 532 } __attribute__ ((packed));
 533
 534 struct ieee80211_disassoc_frame {
 535         struct ieee80211_hdr_3addr header;
 536         u16    reasoncode;
 537 } __attribute__ ((packed));
 538
 539 struct ieee80211_probe_request {
 540         struct ieee80211_header_data header;
 541         /* struct ieee80211_info_element info_element; */
 542 } __attribute__ ((packed));
 543
 544 struct ieee80211_probe_response {
 545         struct ieee80211_header_data header;
 546         u32 time_stamp[2];
 547         u16 beacon_interval;
 548         u16 capability;
 549         struct ieee80211_info_element info_element;
 550 } __attribute__ ((packed));
 551
 552 struct ieee80211_assoc_request_frame {
 553         struct ieee80211_hdr_3addr header;
 554         u16 capability;
 555         u16 listen_interval;
 556         //u8 current_ap[ETH_ALEN];
 557         struct ieee80211_info_element_hdr info_element;
 558 } __attribute__ ((packed));
 559
 560 struct ieee80211_assoc_response_frame {
 561         struct ieee80211_hdr_3addr header;
 562         u16 capability;
 563         u16 status;
 564         u16 aid;
 565         struct ieee80211_info_element info_element; /* supported rates */
 566 } __attribute__ ((packed));
 567
 568 struct ieee80211_txb {
 569         u8 nr_frags;
 570         u8 encrypted;
 571         u16 reserved;
 572         u16 frag_size;
 573         u16 payload_size;
 574         struct sk_buff *fragments[0];
 575 };
 576
 577 /* SWEEP TABLE ENTRIES NUMBER */
 578 #define MAX_SWEEP_TAB_ENTRIES                   42
 579 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET        7
 580
 581 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 582  * only use 8, and then use extended rates for the remaining supported
 583  * rates.  Other APs, however, stick all of their supported rates on the
 584  * main rates information element... */
 585 #define MAX_RATES_LENGTH                        ((u8)12)
 586 #define MAX_RATES_EX_LENGTH                     ((u8)16)
 587
 588 #define MAX_NETWORK_COUNT                       128
 589
 590 #define MAX_CHANNEL_NUMBER                      165
 591
 592 #define IEEE80211_SOFTMAC_SCAN_TIME             100 /* (HZ / 2) */
 593 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME      (HZ * 2)
 594
 595 #define CRC_LENGTH      4U
 596
 597 #define MAX_WPA_IE_LEN  64
 598
 599 #define NETWORK_EMPTY_ESSID     (1 << 0)
 600 #define NETWORK_HAS_OFDM        (1 << 1)
 601 #define NETWORK_HAS_CCK         (1 << 2)
 602
 603 struct ieee80211_wmm_ac_param {
 604         u8 ac_aci_acm_aifsn;
 605         u8 ac_ecwmin_ecwmax;
 606         u16 ac_txop_limit;
 607 };
 608
 609 struct ieee80211_wmm_ts_info {
 610         u8 ac_dir_tid;
 611         u8 ac_up_psb;
 612         u8 reserved;
 613 } __attribute__ ((packed));
 614
 615 struct ieee80211_wmm_tspec_elem {
 616         struct ieee80211_wmm_ts_info ts_info;
 617         u16 norm_msdu_size;
 618         u16 max_msdu_size;
 619         u32 min_serv_inter;
 620         u32 max_serv_inter;
 621         u32 inact_inter;
 622         u32 suspen_inter;
 623         u32 serv_start_time;
 624         u32 min_data_rate;
 625         u32 mean_data_rate;
 626         u32 peak_data_rate;
 627         u32 max_burst_size;
 628         u32 delay_bound;
 629         u32 min_phy_rate;
 630         u16 surp_band_allow;
 631         u16 medium_time;
 632 }__attribute__((packed));
 633
 634 enum eap_type {
 635         EAP_PACKET = 0,
 636         EAPOL_START,
 637         EAPOL_LOGOFF,
 638         EAPOL_KEY,
 639         EAPOL_ENCAP_ASF_ALERT
 640 };
 641
 642 static const char *eap_types[] = {
 643         [EAP_PACKET]            = "EAP-Packet",
 644         [EAPOL_START]           = "EAPOL-Start",
 645         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 646         [EAPOL_KEY]             = "EAPOL-Key",
 647         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 648 };
 649
 650 static inline const char *eap_get_type(int type)
 651 {
 652         return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
 653 }
 654
 655 struct eapol {
 656         u8 snap[6];
 657         u16 ethertype;
 658         u8 version;
 659         u8 type;
 660         u16 length;
 661 } __attribute__ ((packed));
 662
 663 struct ieee80211_softmac_stats {
 664         unsigned int rx_ass_ok;
 665         unsigned int rx_ass_err;
 666         unsigned int rx_probe_rq;
 667         unsigned int tx_probe_rs;
 668         unsigned int tx_beacons;
 669         unsigned int rx_auth_rq;
 670         unsigned int rx_auth_rs_ok;
 671         unsigned int rx_auth_rs_err;
 672         unsigned int tx_auth_rq;
 673         unsigned int no_auth_rs;
 674         unsigned int no_ass_rs;
 675         unsigned int tx_ass_rq;
 676         unsigned int rx_ass_rq;
 677         unsigned int tx_probe_rq;
 678         unsigned int reassoc;
 679         unsigned int swtxstop;
 680         unsigned int swtxawake;
 681 };
 682
 683 #define BEACON_PROBE_SSID_ID_POSITION 12
 684
 685 /*
 686  * These are the data types that can make up management packets
 687  *
 688         u16 auth_algorithm;
 689         u16 auth_sequence;
 690         u16 beacon_interval;
 691         u16 capability;
 692         u8 current_ap[ETH_ALEN];
 693         u16 listen_interval;
 694         struct {
 695                 u16 association_id:14, reserved:2;
 696         } __attribute__ ((packed));
 697         u32 time_stamp[2];
 698         u16 reason;
 699         u16 status;
 700 */
 701
 702 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
 703 #define IEEE80211_DEFAULT_BASIC_RATE 10
 704
 705 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
 706 #define MAX_SP_Len  (WMM_all_frame << 4)
 707 #define IEEE80211_QOS_TID 0x0f
 708 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
 709
 710 #define MAX_IE_LEN                                              0xFF //+YJ,080625
 711
 712 struct rtl8187se_channel_list {
 713         u8      channel[MAX_CHANNEL_NUMBER + 1];
 714         u8      len;
 715 };
 716
 717 //by amy for ps
 718 #define IEEE80211_WATCH_DOG_TIME    2000
 719 //by amy for ps
 720 //by amy for antenna
 721 #define ANTENNA_DIVERSITY_TIMER_PERIOD          1000 // 1000 m
 722 //by amy for antenna
 723
 724 #define IEEE80211_DTIM_MBCAST 4
 725 #define IEEE80211_DTIM_UCAST 2
 726 #define IEEE80211_DTIM_VALID 1
 727 #define IEEE80211_DTIM_INVALID 0
 728
 729 #define IEEE80211_PS_DISABLED 0
 730 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
 731 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
 732 #define IEEE80211_PS_ENABLE   IEEE80211_DTIM_VALID
 733 //added by David for QoS 2006/6/30
 734 //#define WMM_Hang_8187
 735 #ifdef WMM_Hang_8187
 736 #undef WMM_Hang_8187
 737 #endif
 738
 739 #define WME_AC_BE   0x00
 740 #define WME_AC_BK   0x01
 741 #define WME_AC_VI   0x02
 742 #define WME_AC_VO   0x03
 743 #define WME_ACI_MASK 0x03
 744 #define WME_AIFSN_MASK 0x03
 745 #define WME_AC_PRAM_LEN 16
 746
 747 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP
 748 //#define UP2AC(up)     ((up<3) ? ((up==0)?1:0) : (up>>1))
 749 #define UP2AC(up) (                \
 750         ((up) < 1) ? WME_AC_BE : \
 751         ((up) < 3) ? WME_AC_BK : \
 752         ((up) < 4) ? WME_AC_BE : \
 753         ((up) < 6) ? WME_AC_VI : \
 754         WME_AC_VO)
 755 //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue
 756 #define AC2UP(_ac)      (       \
 757         ((_ac) == WME_AC_VO) ? 6 : \
 758         ((_ac) == WME_AC_VI) ? 5 : \
 759         ((_ac) == WME_AC_BK) ? 1 : \
 760         0)
 761
 762 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
 763 struct  ether_header {
 764         u8 ether_dhost[ETHER_ADDR_LEN];
 765         u8 ether_shost[ETHER_ADDR_LEN];
 766         u16 ether_type;
 767 } __attribute__((packed));
 768
 769 #ifndef ETHERTYPE_PAE
 770 #define ETHERTYPE_PAE   0x888e          /* EAPOL PAE/802.1x */
 771 #endif
 772 #ifndef ETHERTYPE_IP
 773 #define ETHERTYPE_IP    0x0800          /* IP protocol */
 774 #endif
 775
 776 struct ieee80211_network {
 777         /* These entries are used to identify a unique network */
 778         u8 bssid[ETH_ALEN];
 779         u8 channel;
 780         /* Ensure null-terminated for any debug msgs */
 781         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 782         u8 ssid_len;
 783
 784         /* These are network statistics */
 785         struct ieee80211_rx_stats stats;
 786         u16 capability;
 787         u8 rates[MAX_RATES_LENGTH];
 788         u8 rates_len;
 789         u8 rates_ex[MAX_RATES_EX_LENGTH];
 790         u8 rates_ex_len;
 791         unsigned long last_scanned;
 792         u8 mode;
 793         u8 flags;
 794         u32 last_associate;
 795         u32 time_stamp[2];
 796         u16 beacon_interval;
 797         u16 listen_interval;
 798         u16 atim_window;
 799         u8 wpa_ie[MAX_WPA_IE_LEN];
 800         size_t wpa_ie_len;
 801         u8 rsn_ie[MAX_WPA_IE_LEN];
 802         size_t rsn_ie_len;
 803         u8 dtim_period;
 804         u8 dtim_data;
 805         u32 last_dtim_sta_time[2];
 806         struct list_head list;
 807         //appeded for QoS
 808         u8 wmm_info;
 809         struct ieee80211_wmm_ac_param wmm_param[4];
 810         u8 QoS_Enable;
 811         u8 SignalStrength;
 812 //by amy 080312
 813         u8 HighestOperaRate;
 814 //by amy 080312
 815         u8 Turbo_Enable;//enable turbo mode, added by thomas
 816         u16 CountryIeLen;
 817         u8 CountryIeBuf[MAX_IE_LEN];
 818 };
 819
 820 enum ieee80211_state {
 821
 822         /* the card is not linked at all */
 823         IEEE80211_NOLINK = 0,
 824
 825         /* IEEE80211_ASSOCIATING* are for BSS client mode
 826          * the driver shall not perform RX filtering unless
 827          * the state is LINKED.
 828          * The driver shall just check for the state LINKED and
 829          * defaults to NOLINK for ALL the other states (including
 830          * LINKED_SCANNING)
 831          */
 832
 833         /* the association procedure will start (wq scheduling)*/
 834         IEEE80211_ASSOCIATING,
 835         IEEE80211_ASSOCIATING_RETRY,
 836
 837         /* the association procedure is sending AUTH request*/
 838         IEEE80211_ASSOCIATING_AUTHENTICATING,
 839
 840         /* the association procedure has successfully authenticated
 841          * and is sending association request
 842          */
 843         IEEE80211_ASSOCIATING_AUTHENTICATED,
 844
 845         /* the link is ok. the card associated to a BSS or linked
 846          * to a ibss cell or acting as an AP and creating the bss
 847          */
 848         IEEE80211_LINKED,
 849
 850         /* same as LINKED, but the driver shall apply RX filter
 851          * rules as we are in NO_LINK mode. As the card is still
 852          * logically linked, but it is doing a syncro site survey
 853          * then it will be back to LINKED state.
 854          */
 855         IEEE80211_LINKED_SCANNING,
 856
 857 };
 858
 859 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 860 #define DEFAULT_FTS 2346
 861
 862 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 863 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 864
 865 typedef struct tx_pending_t{
 866         int frag;
 867         struct ieee80211_txb *txb;
 868 }tx_pending_t;
 869
 870 enum {
 871         COUNTRY_CODE_FCC = 0,
 872         COUNTRY_CODE_IC = 1,
 873         COUNTRY_CODE_ETSI = 2,
 874         COUNTRY_CODE_SPAIN = 3,
 875         COUNTRY_CODE_FRANCE = 4,
 876         COUNTRY_CODE_MKK = 5,
 877         COUNTRY_CODE_MKK1 = 6,
 878         COUNTRY_CODE_ISRAEL = 7,
 879         COUNTRY_CODE_TELEC = 8,
 880         COUNTRY_CODE_GLOBAL_DOMAIN = 9,
 881         COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10
 882 };
 883
 884 struct ieee80211_device {
 885         struct net_device *dev;
 886
 887         /* Bookkeeping structures */
 888         struct net_device_stats stats;
 889         struct ieee80211_stats ieee_stats;
 890         struct ieee80211_softmac_stats softmac_stats;
 891
 892         /* Probe / Beacon management */
 893         struct list_head network_free_list;
 894         struct list_head network_list;
 895         struct ieee80211_network *networks;
 896         int scans;
 897         int scan_age;
 898
 899         int iw_mode; /* operating mode (IW_MODE_*) */
 900
 901         spinlock_t lock;
 902         spinlock_t wpax_suitlist_lock;
 903
 904         int tx_headroom; /* Set to size of any additional room needed at front
 905                           * of allocated Tx SKBs */
 906         u32 config;
 907
 908         /* WEP and other encryption related settings at the device level */
 909         int open_wep; /* Set to 1 to allow unencrypted frames */
 910
 911         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
 912                                  * WEP key changes */
 913
 914         /* If the host performs {en,de}cryption, then set to 1 */
 915         int host_encrypt;
 916         int host_decrypt;
 917         int ieee802_1x; /* is IEEE 802.1X used */
 918
 919         /* WPA data */
 920         int wpa_enabled;
 921         int drop_unencrypted;
 922         int tkip_countermeasures;
 923         int privacy_invoked;
 924         size_t wpa_ie_len;
 925         u8 *wpa_ie;
 926
 927         u8 ap_mac_addr[6];
 928         u16 pairwise_key_type;
 929         u16 broadcast_key_type;
 930
 931         struct list_head crypt_deinit_list;
 932         struct ieee80211_crypt_data *crypt[WEP_KEYS];
 933         int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
 934         struct timer_list crypt_deinit_timer;
 935
 936         int bcrx_sta_key; /* use individual keys to override default keys even
 937                            * with RX of broad/multicast frames */
 938
 939         /* Fragmentation structures */
 940         /* each stream contains an entry */
 941         struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN];
 942         unsigned int frag_next_idx[17];
 943         u16 fts; /* Fragmentation Threshold */
 944
 945         /* This stores infos for the current network.
 946          * Either the network we are associated in INFRASTRUCTURE
 947          * or the network that we are creating in MASTER mode.
 948          * ad-hoc is a mixture ;-).
 949          * Note that in infrastructure mode, even when not associated,
 950          * fields bssid and essid may be valid (if wpa_set and essid_set
 951          * are true) as thy carry the value set by the user via iwconfig
 952          */
 953         struct ieee80211_network current_network;
 954
 955
 956         enum ieee80211_state state;
 957
 958         int short_slot;
 959         int mode;       /* A, B, G */
 960         int modulation; /* CCK, OFDM */
 961         int freq_band;  /* 2.4Ghz, 5.2Ghz, Mixed */
 962         int abg_true;   /* ABG flag              */
 963
 964         /* used for forcing the ibss workqueue to terminate
 965          * without wait for the syncro scan to terminate
 966          */
 967         short sync_scan_hurryup;
 968
 969         void * pDot11dInfo;
 970         bool bGlobalDomain;
 971
 972         // For Liteon Ch12~13 passive scan
 973         u8      MinPassiveChnlNum;
 974         u8      IbssStartChnl;
 975
 976         int rate;       /* current rate */
 977         int basic_rate;
 978         //FIXME: please callback, see if redundant with softmac_features
 979         short active_scan;
 980
 981         /* this contains flags for selectively enable softmac support */
 982         u16 softmac_features;
 983
 984         /* if the sequence control field is not filled by HW */
 985         u16 seq_ctrl[5];
 986
 987         /* association procedure transaction sequence number */
 988         u16 associate_seq;
 989
 990         /* AID for RTXed association responses */
 991         u16 assoc_id;
 992
 993         /* power save mode related*/
 994         short ps;
 995         short sta_sleep;
 996         int ps_timeout;
 997         struct tasklet_struct ps_task;
 998         u32 ps_th;
 999         u32 ps_tl;
1000
1001         short raw_tx;
1002         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1003         short queue_stop;
1004         short scanning;
1005         short proto_started;
1006
1007         struct semaphore wx_sem;
1008         struct semaphore scan_sem;
1009
1010         spinlock_t mgmt_tx_lock;
1011         spinlock_t beacon_lock;
1012
1013         short beacon_txing;
1014
1015         short wap_set;
1016         short ssid_set;
1017
1018         u8  wpax_type_set;    //{added by David, 2006.9.28}
1019         u32 wpax_type_notify; //{added by David, 2006.9.26}
1020
1021         /* QoS related flag */
1022         char init_wmmparam_flag;
1023
1024         /* for discarding duplicated packets in IBSS */
1025         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1026
1027         /* for discarding duplicated packets in BSS */
1028         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1029         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1030         unsigned long last_packet_time[17];
1031
1032         /* for PS mode */
1033         unsigned long last_rx_ps_time;
1034
1035         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1036         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1037         int mgmt_queue_head;
1038         int mgmt_queue_tail;
1039
1040
1041         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1042         struct  tx_pending_t tx_pending;
1043
1044         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1045         struct timer_list associate_timer;
1046
1047         /* used if IEEE_SOFTMAC_BEACONS is set */
1048         struct timer_list beacon_timer;
1049
1050         struct work_struct associate_complete_wq;
1051 //      struct work_struct associate_retry_wq;
1052         struct work_struct associate_procedure_wq;
1053 //      struct work_struct softmac_scan_wq;
1054         struct work_struct wx_sync_scan_wq;
1055         struct work_struct wmm_param_update_wq;
1056         struct work_struct ps_request_tx_ack_wq;//for ps
1057 //      struct work_struct hw_wakeup_wq;
1058 //      struct work_struct hw_sleep_wq;
1059 //      struct work_struct watch_dog_wq;
1060         bool bInactivePs;
1061         bool actscanning;
1062         bool beinretry;
1063         u16 ListenInterval;
1064         unsigned long NumRxDataInPeriod; //YJ,add,080828
1065         unsigned long NumRxBcnInPeriod;  //YJ,add,080828
1066         unsigned long NumRxOkTotal;
1067         unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
1068         bool bHwRadioOff;
1069         struct delayed_work softmac_scan_wq;
1070         struct delayed_work associate_retry_wq;
1071         struct delayed_work hw_wakeup_wq;
1072         struct delayed_work hw_sleep_wq;//+by amy 080324
1073         struct delayed_work watch_dog_wq;
1074         struct delayed_work sw_antenna_wq;
1075         struct delayed_work  start_ibss_wq;
1076 //by amy for rate adaptive 080312
1077     struct delayed_work rate_adapter_wq;
1078 //by amy for rate adaptive
1079         struct delayed_work hw_dig_wq;
1080         struct delayed_work tx_pw_wq;
1081
1082 //Added for RF power on power off by lizhaoming 080512
1083         struct delayed_work GPIOChangeRFWorkItem;
1084
1085         struct workqueue_struct *wq;
1086
1087         /* Callback functions */
1088         void (*set_security)(struct net_device *dev,
1089                              struct ieee80211_security *sec);
1090
1091         /* Used to TX data frame by using txb structs.
1092          * this is not used if in the softmac_features
1093          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1094          */
1095         int (*hard_start_xmit)(struct ieee80211_txb *txb,
1096                                struct net_device *dev);
1097
1098         int (*reset_port)(struct net_device *dev);
1099
1100         /* Softmac-generated frames (management) are TXed via this
1101          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1102          * not set. As some cards may have different HW queues that
1103          * one might want to use for data and management frames
1104          * the option to have two callbacks might be useful.
1105          * This function can't sleep.
1106          */
1107         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1108                                struct net_device *dev);
1109
1110         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1111          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1112          * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1113          * then also management frames are sent via this callback.
1114          * This function can't sleep.
1115          */
1116         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1117                                struct net_device *dev,int rate);
1118
1119         /* stops the HW queue for DATA frames. Useful to avoid
1120          * waste time to TX data frame when we are reassociating
1121          * This function can sleep.
1122          */
1123         void (*data_hard_stop)(struct net_device *dev);
1124
1125         /* OK this is complementar to data_poll_hard_stop */
1126         void (*data_hard_resume)(struct net_device *dev);
1127
1128         /* ask to the driver to retune the radio .
1129          * This function can sleep. the driver should ensure
1130          * the radio has been switched before return.
1131          */
1132         void (*set_chan)(struct net_device *dev,short ch);
1133
1134         /* These are not used if the ieee stack takes care of
1135          * scanning (IEEE_SOFTMAC_SCAN feature set).
1136          * In this case only the set_chan is used.
1137          *
1138          * The syncro version is similar to the start_scan but
1139          * does not return until all channels has been scanned.
1140          * this is called in user context and should sleep,
1141          * it is called in a work_queue when switching to ad-hoc mode
1142          * or in behalf of iwlist scan when the card is associated
1143          * and root user ask for a scan.
1144          * the function stop_scan should stop both the syncro and
1145          * background scanning and can sleep.
1146          * The function start_scan should initiate the background
1147          * scanning and can't sleep.
1148          */
1149         void (*scan_syncro)(struct net_device *dev);
1150         void (*start_scan)(struct net_device *dev);
1151         void (*stop_scan)(struct net_device *dev);
1152
1153         /* indicate the driver that the link state is changed
1154          * for example it may indicate the card is associated now.
1155          * Driver might be interested in this to apply RX filter
1156          * rules or simply light the LINK led
1157          */
1158         void (*link_change)(struct net_device *dev);
1159
1160         /* these two function indicates to the HW when to start
1161          * and stop to send beacons. This is used when the
1162          * IEEE_SOFTMAC_BEACONS is not set. For now the
1163          * stop_send_bacons is NOT guaranteed to be called only
1164          * after start_send_beacons.
1165          */
1166         void (*start_send_beacons) (struct net_device *dev);
1167         void (*stop_send_beacons) (struct net_device *dev);
1168
1169         /* power save mode related */
1170         void (*sta_wake_up) (struct net_device *dev);
1171         void (*ps_request_tx_ack) (struct net_device *dev);
1172         void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
1173         short (*ps_is_queue_empty) (struct net_device *dev);
1174
1175         /* QoS related */
1176         //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param);
1177         //void (*wmm_param_update) (struct ieee80211_device *ieee);
1178
1179         /* This must be the last item so that it points to the data
1180          * allocated beyond this structure by alloc_ieee80211 */
1181         u8 priv[0];
1182 };
1183
1184 #define IEEE_A            (1<<0)
1185 #define IEEE_B            (1<<1)
1186 #define IEEE_G            (1<<2)
1187 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1188
1189 /* Generate a 802.11 header */
1190
1191 /* Uses the channel change callback directly
1192  * instead of [start/stop] scan callbacks
1193  */
1194 #define IEEE_SOFTMAC_SCAN (1<<2)
1195
1196 /* Perform authentication and association handshake */
1197 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1198
1199 /* Generate probe requests */
1200 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1201
1202 /* Generate response to probe requests */
1203 #define IEEE_SOFTMAC_PROBERS (1<<5)
1204
1205 /* The ieee802.11 stack will manages the netif queue
1206  * wake/stop for the driver, taking care of 802.11
1207  * fragmentation. See softmac.c for details. */
1208 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1209
1210 /* Uses only the softmac_data_hard_start_xmit
1211  * even for TX management frames.
1212  */
1213 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1214
1215 /* Generate beacons.  The stack will enqueue beacons
1216  * to the card
1217  */
1218 #define IEEE_SOFTMAC_BEACONS (1<<6)
1219
1220
1221
1222 static inline void *ieee80211_priv(struct net_device *dev)
1223 {
1224         return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1225 }
1226
1227 static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1228 {
1229         /* Single white space is for Linksys APs */
1230         if (essid_len == 1 && essid[0] == ' ')
1231                 return 1;
1232
1233         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1234         while (essid_len) {
1235                 essid_len--;
1236                 if (essid[essid_len] != '\0')
1237                         return 0;
1238         }
1239
1240         return 1;
1241 }
1242
1243 static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
1244                                           int mode)
1245 {
1246         /*
1247          * It is possible for both access points and our device to support
1248          * combinations of modes, so as long as there is one valid combination
1249          * of ap/device supported modes, then return success
1250          *
1251          */
1252         if ((mode & IEEE_A) &&
1253             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1254             (ieee->freq_band & IEEE80211_52GHZ_BAND))
1255                 return 1;
1256
1257         if ((mode & IEEE_G) &&
1258             (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1259             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1260                 return 1;
1261
1262         if ((mode & IEEE_B) &&
1263             (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1264             (ieee->freq_band & IEEE80211_24GHZ_BAND))
1265                 return 1;
1266
1267         return 0;
1268 }
1269
1270 static inline int ieee80211_get_hdrlen(u16 fc)
1271 {
1272         int hdrlen = 24;
1273
1274         switch (WLAN_FC_GET_TYPE(fc)) {
1275         case IEEE80211_FTYPE_DATA:
1276                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1277                         hdrlen = 30; /* Addr4 */
1278                 if(IEEE80211_QOS_HAS_SEQ(fc))
1279                         hdrlen += 2; /* QOS ctrl*/
1280                 break;
1281         case IEEE80211_FTYPE_CTL:
1282                 switch (WLAN_FC_GET_STYPE(fc)) {
1283                 case IEEE80211_STYPE_CTS:
1284                 case IEEE80211_STYPE_ACK:
1285                         hdrlen = 10;
1286                         break;
1287                 default:
1288                         hdrlen = 16;
1289                         break;
1290                 }
1291                 break;
1292         }
1293
1294         return hdrlen;
1295 }
1296
1297
1298
1299 /* ieee80211.c */
1300 extern void free_ieee80211(struct net_device *dev);
1301 extern struct net_device *alloc_ieee80211(int sizeof_priv);
1302
1303 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1304
1305 /* ieee80211_tx.c */
1306
1307 extern int ieee80211_encrypt_fragment(struct ieee80211_device *ieee,
1308                                       struct sk_buff *frag, int hdr_len);
1309
1310 extern int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev);
1311 extern void ieee80211_txb_free(struct ieee80211_txb *);
1312
1313
1314 /* ieee80211_rx.c */
1315 extern int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1316                             struct ieee80211_rx_stats *rx_stats);
1317 extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1318                              struct ieee80211_hdr_4addr *header,
1319                              struct ieee80211_rx_stats *stats);
1320
1321 /* ieee80211_wx.c */
1322 extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1323                                  struct iw_request_info *info,
1324                                  union iwreq_data *wrqu, char *key);
1325 extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1326                                    struct iw_request_info *info,
1327                                    union iwreq_data *wrqu, char *key);
1328 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1329                                    struct iw_request_info *info,
1330                                    union iwreq_data *wrqu, char *key);
1331 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
1332                                        struct iw_request_info *info,
1333                                        union iwreq_data *wrqu, char *extra);
1334 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
1335                           struct iw_request_info *info,
1336                           struct iw_param *data, char *extra);
1337 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
1338                           struct iw_request_info *info,
1339                           union iwreq_data *wrqu, char *extra);
1340
1341 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len);
1342 /* ieee80211_softmac.c */
1343 extern short ieee80211_is_54g(const struct ieee80211_network *net);
1344 extern short ieee80211_is_shortslot(const struct ieee80211_network *net);
1345 extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee,
1346                                       struct sk_buff *skb,
1347                                       struct ieee80211_rx_stats *rx_stats,
1348                                       u16 type, u16 stype);
1349 extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee,
1350                                       struct ieee80211_network *net);
1351
1352 extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb,
1353                                    struct ieee80211_device *ieee);
1354 extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee);
1355 extern void ieee80211_start_bss(struct ieee80211_device *ieee);
1356 extern void ieee80211_start_master_bss(struct ieee80211_device *ieee);
1357 extern void ieee80211_start_ibss(struct ieee80211_device *ieee);
1358 extern void ieee80211_softmac_init(struct ieee80211_device *ieee);
1359 extern void ieee80211_softmac_free(struct ieee80211_device *ieee);
1360 extern void ieee80211_associate_abort(struct ieee80211_device *ieee);
1361 extern void ieee80211_disassociate(struct ieee80211_device *ieee);
1362 extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
1363 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
1364 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
1365 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
1366 extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
1367 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
1368 extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
1369 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
1370 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
1371 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
1372 extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee);
1373 extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee);
1374 extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
1375 extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee,
1376                                           struct iw_point *p);
1377 extern void notify_wx_assoc_event(struct ieee80211_device *ieee);
1378 extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success);
1379 extern void SendDisassociation(struct ieee80211_device *ieee, u8 *asSta,
1380                                u8 asRsn);
1381 extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee);
1382
1383 //Add for RF power on power off by lizhaoming 080512
1384 extern void SendDisassociation(struct ieee80211_device *ieee, u8 *asSta,
1385                                u8 asRsn);
1386
1387 /* ieee80211_crypt_ccmp&tkip&wep.c */
1388 extern void ieee80211_tkip_null(void);
1389 extern void ieee80211_wep_null(void);
1390 extern void ieee80211_ccmp_null(void);
1391 /* ieee80211_softmac_wx.c */
1392
1393 extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
1394                                 struct iw_request_info *info,
1395                                 union iwreq_data *wrqu, char *ext);
1396
1397 extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
1398                                 struct iw_request_info *info,
1399                                 union iwreq_data *awrq,
1400                                 char *extra);
1401
1402 extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee,
1403                                   struct iw_request_info *a,
1404                                   union iwreq_data *wrqu, char *b);
1405
1406 extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
1407                                  struct iw_request_info *info,
1408                                  union iwreq_data *wrqu, char *extra);
1409
1410 extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
1411                                  struct iw_request_info *info,
1412                                  union iwreq_data *wrqu, char *extra);
1413
1414 extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee,
1415                                  struct iw_request_info *a,
1416                                  union iwreq_data *wrqu, char *b);
1417
1418 extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee,
1419                                  struct iw_request_info *a,
1420                                  union iwreq_data *wrqu, char *b);
1421
1422 extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
1423                                   struct iw_request_info *a,
1424                                   union iwreq_data *wrqu, char *extra);
1425
1426 extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee,
1427                                  struct iw_request_info *a,
1428                                  union iwreq_data *wrqu, char *b);
1429
1430 extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee,
1431                                  struct iw_request_info *a,
1432                                  union iwreq_data *wrqu, char *b);
1433
1434 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee,
1435                                  struct iw_request_info *a,
1436                                  union iwreq_data *wrqu, char *b);
1437
1438 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
1439
1440 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
1441                                   struct iw_request_info *info,
1442                                   union iwreq_data *wrqu, char *extra);
1443
1444 extern int ieee80211_wx_get_name(struct ieee80211_device *ieee,
1445                                  struct iw_request_info *info,
1446                                  union iwreq_data *wrqu, char *extra);
1447
1448 extern int ieee80211_wx_set_power(struct ieee80211_device *ieee,
1449                                   struct iw_request_info *info,
1450                                   union iwreq_data *wrqu, char *extra);
1451
1452 extern int ieee80211_wx_get_power(struct ieee80211_device *ieee,
1453                                   struct iw_request_info *info,
1454                                   union iwreq_data *wrqu, char *extra);
1455
1456 extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee);
1457
1458 extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee,
1459                                              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 */