drivers/staging/rtl8192e/rtllib.h

   1 /*
   2  * Merged with mainline rtllib.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 RTLLIB_H
  25 #define RTLLIB_H
  26 #include <linux/if_ether.h> /* ETH_ALEN */
  27 #include <linux/kernel.h>   /* ARRAY_SIZE */
  28 #include <linux/module.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/jiffies.h>
  31 #include <linux/timer.h>
  32 #include <linux/sched.h>
  33 #include <linux/mutex.h>
  34
  35 #include <linux/delay.h>
  36 #include <linux/wireless.h>
  37
  38 #include "rtllib_debug.h"
  39 #include "rtl819x_HT.h"
  40 #include "rtl819x_BA.h"
  41 #include "rtl819x_TS.h"
  42
  43 #include <linux/netdevice.h>
  44 #include <linux/if_arp.h> /* ARPHRD_ETHER */
  45 #include <net/lib80211.h>
  46
  47 #define MAX_PRECMD_CNT 16
  48 #define MAX_RFDEPENDCMD_CNT 16
  49 #define MAX_POSTCMD_CNT 16
  50
  51 #ifndef WIRELESS_SPY
  52 #define WIRELESS_SPY
  53 #endif
  54 #include <net/iw_handler.h>
  55
  56 #ifndef IW_MODE_MONITOR
  57 #define IW_MODE_MONITOR 6
  58 #endif
  59
  60 #ifndef IWEVCUSTOM
  61 #define IWEVCUSTOM 0x8c02
  62 #endif
  63
  64 #ifndef IW_CUSTOM_MAX
  65 /* Max number of char in custom event - use multiple of them if needed */
  66 #define IW_CUSTOM_MAX   256     /* In bytes */
  67 #endif
  68
  69 #define skb_tail_pointer_rsl(skb) skb_tail_pointer(skb)
  70
  71 #define queue_delayed_work_rsl(x, y, z) queue_delayed_work(x, y, z)
  72 #define INIT_DELAYED_WORK_RSL(x, y, z) INIT_DELAYED_WORK(x, y)
  73
  74 #define queue_work_rsl(x, y) queue_work(x, y)
  75 #define INIT_WORK_RSL(x, y, z) INIT_WORK(x, y)
  76
  77 #define container_of_work_rsl(x, y, z) container_of(x, y, z)
  78 #define container_of_dwork_rsl(x, y, z)                         \
  79         container_of(to_delayed_work(x), y, z)
  80
  81 #define iwe_stream_add_event_rsl(info, start, stop, iwe, len)   \
  82         iwe_stream_add_event(info, start, stop, iwe, len)
  83
  84 #define iwe_stream_add_point_rsl(info, start, stop, iwe, p)     \
  85         iwe_stream_add_point(info, start, stop, iwe, p)
  86
  87 static inline void *netdev_priv_rsl(struct net_device *dev)
  88 {
  89         return netdev_priv(dev);
  90 }
  91
  92 #define KEY_TYPE_NA             0x0
  93 #define KEY_TYPE_WEP40          0x1
  94 #define KEY_TYPE_TKIP           0x2
  95 #define KEY_TYPE_CCMP           0x4
  96 #define KEY_TYPE_WEP104         0x5
  97 /* added for rtl819x tx procedure */
  98 #define MAX_QUEUE_SIZE          0x10
  99
 100 #define BK_QUEUE                               0
 101 #define BE_QUEUE                               1
 102 #define VI_QUEUE                               2
 103 #define VO_QUEUE                               3
 104 #define HCCA_QUEUE                           4
 105 #define TXCMD_QUEUE                         5
 106 #define MGNT_QUEUE                           6
 107 #define HIGH_QUEUE                           7
 108 #define BEACON_QUEUE                       8
 109
 110 #ifndef IW_MODE_MESH
 111 #define IW_MODE_MESH                    7
 112 #endif
 113
 114 #define IE_CISCO_FLAG_POSITION          0x08
 115 #define SUPPORT_CKIP_MIC                        0x08
 116 #define SUPPORT_CKIP_PK                 0x10
 117 #define RT_RF_OFF_LEVL_HALT_NIC         BIT3
 118 #define RT_IN_PS_LEVEL(pPSC, _PS_FLAG)          \
 119         ((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
 120 #define RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG)       \
 121         (pPSC->CurPsLevel &= (~(_PS_FLAG)))
 122 #define RT_SET_PS_LEVEL(pPSC, _PS_FLAG) (pPSC->CurPsLevel |= _PS_FLAG)
 123
 124 /* defined for skb cb field */
 125 /* At most 28 byte */
 126 struct cb_desc {
 127         /* Tx Desc Related flags (8-9) */
 128         u8 bLastIniPkt:1;
 129         u8 bCmdOrInit:1;
 130         u8 bFirstSeg:1;
 131         u8 bLastSeg:1;
 132         u8 bEncrypt:1;
 133         u8 bTxDisableRateFallBack:1;
 134         u8 bTxUseDriverAssingedRate:1;
 135         u8 bHwSec:1;
 136
 137         u8 nStuckCount;
 138
 139         /* Tx Firmware Related flags (10-11)*/
 140         u8 bCTSEnable:1;
 141         u8 bRTSEnable:1;
 142         u8 bUseShortGI:1;
 143         u8 bUseShortPreamble:1;
 144         u8 bTxEnableFwCalcDur:1;
 145         u8 bAMPDUEnable:1;
 146         u8 bRTSSTBC:1;
 147         u8 RTSSC:1;
 148
 149         u8 bRTSBW:1;
 150         u8 bPacketBW:1;
 151         u8 bRTSUseShortPreamble:1;
 152         u8 bRTSUseShortGI:1;
 153         u8 bMulticast:1;
 154         u8 bBroadcast:1;
 155         u8 drv_agg_enable:1;
 156         u8 reserved2:1;
 157
 158         /* Tx Desc related element(12-19) */
 159         u8 rata_index;
 160         u8 queue_index;
 161         u16 txbuf_size;
 162         u8 RATRIndex;
 163         u8 bAMSDU:1;
 164         u8 bFromAggrQ:1;
 165         u8 reserved6:6;
 166         u8 macId;
 167         u8 priority;
 168
 169         /* Tx firmware related element(20-27) */
 170         u8 data_rate;
 171         u8 rts_rate;
 172         u8 ampdu_factor;
 173         u8 ampdu_density;
 174         u8 DrvAggrNum;
 175         u8 bdhcp;
 176         u16 pkt_size;
 177         u8 bIsSpecialDataFrame;
 178
 179         u8 bBTTxPacket;
 180         u8 bIsBTProbRsp;
 181 };
 182
 183 enum sw_chnl_cmd_id {
 184         CmdID_End,
 185         CmdID_SetTxPowerLevel,
 186         CmdID_BBRegWrite10,
 187         CmdID_WritePortUlong,
 188         CmdID_WritePortUshort,
 189         CmdID_WritePortUchar,
 190         CmdID_RF_WriteReg,
 191 };
 192
 193 struct sw_chnl_cmd {
 194         enum sw_chnl_cmd_id CmdID;
 195         u32                     Para1;
 196         u32                     Para2;
 197         u32                     msDelay;
 198 } __packed;
 199
 200 /*--------------------------Define -------------------------------------------*/
 201 #define MGN_1M            0x02
 202 #define MGN_2M            0x04
 203 #define MGN_5_5M                0x0b
 204 #define MGN_11M          0x16
 205
 206 #define MGN_6M            0x0c
 207 #define MGN_9M            0x12
 208 #define MGN_12M          0x18
 209 #define MGN_18M          0x24
 210 #define MGN_24M          0x30
 211 #define MGN_36M          0x48
 212 #define MGN_48M          0x60
 213 #define MGN_54M          0x6c
 214
 215 #define MGN_MCS0                0x80
 216 #define MGN_MCS1                0x81
 217 #define MGN_MCS2                0x82
 218 #define MGN_MCS3                0x83
 219 #define MGN_MCS4                0x84
 220 #define MGN_MCS5                0x85
 221 #define MGN_MCS6                0x86
 222 #define MGN_MCS7                0x87
 223 #define MGN_MCS8                0x88
 224 #define MGN_MCS9                0x89
 225 #define MGN_MCS10              0x8a
 226 #define MGN_MCS11              0x8b
 227 #define MGN_MCS12              0x8c
 228 #define MGN_MCS13              0x8d
 229 #define MGN_MCS14              0x8e
 230 #define MGN_MCS15              0x8f
 231
 232 enum hw_variables {
 233         HW_VAR_ETHER_ADDR,
 234         HW_VAR_MULTICAST_REG,
 235         HW_VAR_BASIC_RATE,
 236         HW_VAR_BSSID,
 237         HW_VAR_MEDIA_STATUS,
 238         HW_VAR_SECURITY_CONF,
 239         HW_VAR_BEACON_INTERVAL,
 240         HW_VAR_ATIM_WINDOW,
 241         HW_VAR_LISTEN_INTERVAL,
 242         HW_VAR_CS_COUNTER,
 243         HW_VAR_DEFAULTKEY0,
 244         HW_VAR_DEFAULTKEY1,
 245         HW_VAR_DEFAULTKEY2,
 246         HW_VAR_DEFAULTKEY3,
 247         HW_VAR_SIFS,
 248         HW_VAR_DIFS,
 249         HW_VAR_EIFS,
 250         HW_VAR_SLOT_TIME,
 251         HW_VAR_ACK_PREAMBLE,
 252         HW_VAR_CW_CONFIG,
 253         HW_VAR_CW_VALUES,
 254         HW_VAR_RATE_FALLBACK_CONTROL,
 255         HW_VAR_CONTENTION_WINDOW,
 256         HW_VAR_RETRY_COUNT,
 257         HW_VAR_TR_SWITCH,
 258         HW_VAR_COMMAND,
 259         HW_VAR_WPA_CONFIG,
 260         HW_VAR_AMPDU_MIN_SPACE,
 261         HW_VAR_SHORTGI_DENSITY,
 262         HW_VAR_AMPDU_FACTOR,
 263         HW_VAR_MCS_RATE_AVAILABLE,
 264         HW_VAR_AC_PARAM,
 265         HW_VAR_ACM_CTRL,
 266         HW_VAR_DIS_Req_Qsize,
 267         HW_VAR_CCX_CHNL_LOAD,
 268         HW_VAR_CCX_NOISE_HISTOGRAM,
 269         HW_VAR_CCX_CLM_NHM,
 270         HW_VAR_TxOPLimit,
 271         HW_VAR_TURBO_MODE,
 272         HW_VAR_RF_STATE,
 273         HW_VAR_RF_OFF_BY_HW,
 274         HW_VAR_BUS_SPEED,
 275         HW_VAR_SET_DEV_POWER,
 276
 277         HW_VAR_RCR,
 278         HW_VAR_RATR_0,
 279         HW_VAR_RRSR,
 280         HW_VAR_CPU_RST,
 281         HW_VAR_CECHK_BSSID,
 282         HW_VAR_LBK_MODE,
 283         HW_VAR_AES_11N_FIX,
 284         HW_VAR_USB_RX_AGGR,
 285         HW_VAR_USER_CONTROL_TURBO_MODE,
 286         HW_VAR_RETRY_LIMIT,
 287         HW_VAR_INIT_TX_RATE,
 288         HW_VAR_TX_RATE_REG,
 289         HW_VAR_EFUSE_USAGE,
 290         HW_VAR_EFUSE_BYTES,
 291         HW_VAR_AUTOLOAD_STATUS,
 292         HW_VAR_RF_2R_DISABLE,
 293         HW_VAR_SET_RPWM,
 294         HW_VAR_H2C_FW_PWRMODE,
 295         HW_VAR_H2C_FW_JOINBSSRPT,
 296         HW_VAR_1X1_RECV_COMBINE,
 297         HW_VAR_STOP_SEND_BEACON,
 298         HW_VAR_TSF_TIMER,
 299         HW_VAR_IO_CMD,
 300
 301         HW_VAR_RF_RECOVERY,
 302         HW_VAR_H2C_FW_UPDATE_GTK,
 303         HW_VAR_WF_MASK,
 304         HW_VAR_WF_CRC,
 305         HW_VAR_WF_IS_MAC_ADDR,
 306         HW_VAR_H2C_FW_OFFLOAD,
 307         HW_VAR_RESET_WFCRC,
 308
 309         HW_VAR_HANDLE_FW_C2H,
 310         HW_VAR_DL_FW_RSVD_PAGE,
 311         HW_VAR_AID,
 312         HW_VAR_HW_SEQ_ENABLE,
 313         HW_VAR_CORRECT_TSF,
 314         HW_VAR_BCN_VALID,
 315         HW_VAR_FWLPS_RF_ON,
 316         HW_VAR_DUAL_TSF_RST,
 317         HW_VAR_SWITCH_EPHY_WoWLAN,
 318         HW_VAR_INT_MIGRATION,
 319         HW_VAR_INT_AC,
 320         HW_VAR_RF_TIMING,
 321 };
 322
 323 enum rt_op_mode {
 324         RT_OP_MODE_AP,
 325         RT_OP_MODE_INFRASTRUCTURE,
 326         RT_OP_MODE_IBSS,
 327         RT_OP_MODE_NO_LINK,
 328 };
 329
 330
 331 #define aSifsTime                                               \
 332          (((priv->rtllib->current_network.mode == IEEE_A)       \
 333         || (priv->rtllib->current_network.mode == IEEE_N_24G)   \
 334         || (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10)
 335
 336 #define MGMT_QUEUE_NUM 5
 337
 338 #define MAX_IE_LEN  0xff
 339
 340 #define msleep_interruptible_rsl  msleep_interruptible
 341
 342 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 343  * 6.2.1.1.2.
 344  *
 345  * The figure in section 7.1.2 suggests a body size of up to 2312
 346  * bytes is allowed, which is a bit confusing, I suspect this
 347  * represents the 2304 bytes of real data, plus a possible 8 bytes of
 348  * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 349  */
 350 #define RTLLIB_1ADDR_LEN 10
 351 #define RTLLIB_2ADDR_LEN 16
 352 #define RTLLIB_3ADDR_LEN 24
 353 #define RTLLIB_4ADDR_LEN 30
 354 #define RTLLIB_FCS_LEN    4
 355
 356 #define RTLLIB_SKBBUFFER_SIZE 2500
 357
 358 #define MIN_FRAG_THRESHOLD     256U
 359 #define MAX_FRAG_THRESHOLD     2346U
 360
 361 /* Frame control field constants */
 362 #define RTLLIB_FCTL_FTYPE               0x000c
 363 #define RTLLIB_FCTL_STYPE               0x00f0
 364 #define RTLLIB_FCTL_FRAMETYPE   0x00fc
 365 #define RTLLIB_FCTL_TODS                0x0100
 366 #define RTLLIB_FCTL_FROMDS              0x0200
 367 #define RTLLIB_FCTL_DSTODS              0x0300
 368 #define RTLLIB_FCTL_MOREFRAGS   0x0400
 369 #define RTLLIB_FCTL_RETRY               0x0800
 370 #define RTLLIB_FCTL_PM          0x1000
 371 #define RTLLIB_FCTL_MOREDATA            0x2000
 372 #define RTLLIB_FCTL_WEP         0x4000
 373 #define RTLLIB_FCTL_ORDER               0x8000
 374
 375 #define RTLLIB_FTYPE_MGMT               0x0000
 376 #define RTLLIB_FTYPE_CTL                0x0004
 377 #define RTLLIB_FTYPE_DATA               0x0008
 378
 379 /* management */
 380 #define RTLLIB_STYPE_ASSOC_REQ  0x0000
 381 #define RTLLIB_STYPE_ASSOC_RESP         0x0010
 382 #define RTLLIB_STYPE_REASSOC_REQ        0x0020
 383 #define RTLLIB_STYPE_REASSOC_RESP       0x0030
 384 #define RTLLIB_STYPE_PROBE_REQ  0x0040
 385 #define RTLLIB_STYPE_PROBE_RESP 0x0050
 386 #define RTLLIB_STYPE_BEACON             0x0080
 387 #define RTLLIB_STYPE_ATIM               0x0090
 388 #define RTLLIB_STYPE_DISASSOC   0x00A0
 389 #define RTLLIB_STYPE_AUTH               0x00B0
 390 #define RTLLIB_STYPE_DEAUTH             0x00C0
 391 #define RTLLIB_STYPE_MANAGE_ACT 0x00D0
 392
 393 /* control */
 394 #define RTLLIB_STYPE_PSPOLL             0x00A0
 395 #define RTLLIB_STYPE_RTS                0x00B0
 396 #define RTLLIB_STYPE_CTS                0x00C0
 397 #define RTLLIB_STYPE_ACK                0x00D0
 398
 399 /* data */
 400 #define RTLLIB_STYPE_DATA               0x0000
 401 #define RTLLIB_STYPE_DATA_CFACK 0x0010
 402 #define RTLLIB_STYPE_DATA_CFPOLL        0x0020
 403 #define RTLLIB_STYPE_DATA_CFACKPOLL     0x0030
 404 #define RTLLIB_STYPE_NULLFUNC   0x0040
 405 #define RTLLIB_STYPE_QOS_DATA   0x0080
 406 #define RTLLIB_STYPE_QOS_NULL   0x00C0
 407
 408 #define RTLLIB_SCTL_FRAG                0x000F
 409 #define RTLLIB_SCTL_SEQ         0xFFF0
 410
 411 /* QOS control */
 412 #define RTLLIB_QCTL_TID       0x000F
 413
 414 #define FC_QOS_BIT                                      BIT7
 415 #define IsDataFrame(pdu)        (((pdu[0] & 0x0C) == 0x08) ? true : false)
 416 #define IsLegacyDataFrame(pdu)  (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
 417 #define IsQoSDataFrame(pframe)                  \
 418         ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) ==  \
 419         (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
 420 #define Frame_Order(pframe)     (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
 421 #define SN_LESS(a, b)           (((a-b)&0x800) != 0)
 422 #define SN_EQUAL(a, b)  (a == b)
 423 #define MAX_DEV_ADDR_SIZE 8
 424
 425 enum act_category {
 426         ACT_CAT_QOS = 1,
 427         ACT_CAT_DLS = 2,
 428         ACT_CAT_BA  = 3,
 429         ACT_CAT_HT  = 7,
 430         ACT_CAT_WMM = 17,
 431 };
 432
 433 enum ba_action {
 434         ACT_ADDBAREQ = 0,
 435         ACT_ADDBARSP = 1,
 436         ACT_DELBA    = 2,
 437 };
 438
 439 enum init_gain_op_type {
 440         IG_Backup = 0,
 441         IG_Restore,
 442         IG_Max
 443 };
 444
 445 enum led_ctl_mode {
 446         LED_CTL_POWER_ON = 1,
 447         LED_CTL_LINK = 2,
 448         LED_CTL_NO_LINK = 3,
 449         LED_CTL_TX = 4,
 450         LED_CTL_RX = 5,
 451         LED_CTL_SITE_SURVEY = 6,
 452         LED_CTL_POWER_OFF = 7,
 453         LED_CTL_START_TO_LINK = 8,
 454 };
 455
 456 enum rt_rf_type_def {
 457         RF_1T2R = 0,
 458         RF_2T4R,
 459 };
 460
 461 enum wireless_mode {
 462         WIRELESS_MODE_UNKNOWN = 0x00,
 463         WIRELESS_MODE_A = 0x01,
 464         WIRELESS_MODE_B = 0x02,
 465         WIRELESS_MODE_G = 0x04,
 466         WIRELESS_MODE_AUTO = 0x08,
 467         WIRELESS_MODE_N_24G = 0x10,
 468         WIRELESS_MODE_N_5G = 0x20
 469 };
 470
 471 #ifndef ETH_P_PAE
 472 #define ETH_P_PAE       0x888E          /* Port Access Entity (IEEE 802.1X) */
 473 #define ETH_P_IP        0x0800          /* Internet Protocol packet     */
 474 #define ETH_P_ARP       0x0806          /* Address Resolution packet    */
 475 #endif /* ETH_P_PAE */
 476
 477 #ifndef ETH_P_80211_RAW
 478 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 479 #endif
 480
 481 /* IEEE 802.11 defines */
 482
 483 #define P80211_OUI_LEN 3
 484
 485 struct rtllib_snap_hdr {
 486
 487         u8    dsap;   /* always 0xAA */
 488         u8    ssap;   /* always 0xAA */
 489         u8    ctrl;   /* always 0x03 */
 490         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 491
 492 } __packed;
 493
 494 enum _REG_PREAMBLE_MODE {
 495         PREAMBLE_LONG = 1,
 496         PREAMBLE_AUTO = 2,
 497         PREAMBLE_SHORT = 3,
 498 };
 499
 500 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr)
 501
 502 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
 503 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
 504 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)
 505
 506 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
 507 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
 508 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & RTLLIB_SCTL_SEQ) >> 4)
 509
 510 /* Authentication algorithms */
 511 #define WLAN_AUTH_OPEN 0
 512 #define WLAN_AUTH_SHARED_KEY 1
 513 #define WLAN_AUTH_LEAP 128
 514
 515 #define WLAN_CAPABILITY_ESS (1<<0)
 516 #define WLAN_CAPABILITY_IBSS (1<<1)
 517 #define WLAN_CAPABILITY_PRIVACY (1<<4)
 518 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
 519 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
 520
 521 #define RTLLIB_STATMASK_SIGNAL (1<<0)
 522 #define RTLLIB_STATMASK_RSSI (1<<1)
 523 #define RTLLIB_STATMASK_NOISE (1<<2)
 524 #define RTLLIB_STATMASK_WEMASK 0x7
 525
 526 #define RTLLIB_CCK_MODULATION    (1<<0)
 527 #define RTLLIB_OFDM_MODULATION   (1<<1)
 528
 529 #define RTLLIB_24GHZ_BAND     (1<<0)
 530 #define RTLLIB_52GHZ_BAND     (1<<1)
 531
 532 #define RTLLIB_CCK_RATE_LEN             4
 533 #define RTLLIB_CCK_RATE_1MB                     0x02
 534 #define RTLLIB_CCK_RATE_2MB                     0x04
 535 #define RTLLIB_CCK_RATE_5MB                     0x0B
 536 #define RTLLIB_CCK_RATE_11MB                    0x16
 537 #define RTLLIB_OFDM_RATE_LEN            8
 538 #define RTLLIB_OFDM_RATE_6MB                    0x0C
 539 #define RTLLIB_OFDM_RATE_9MB                    0x12
 540 #define RTLLIB_OFDM_RATE_12MB           0x18
 541 #define RTLLIB_OFDM_RATE_18MB           0x24
 542 #define RTLLIB_OFDM_RATE_24MB           0x30
 543 #define RTLLIB_OFDM_RATE_36MB           0x48
 544 #define RTLLIB_OFDM_RATE_48MB           0x60
 545 #define RTLLIB_OFDM_RATE_54MB           0x6C
 546 #define RTLLIB_BASIC_RATE_MASK          0x80
 547
 548 /* this is stolen and modified from the madwifi driver*/
 549 #define RTLLIB_FC0_TYPE_MASK            0x0c
 550 #define RTLLIB_FC0_TYPE_DATA            0x08
 551 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0
 552 #define RTLLIB_FC0_SUBTYPE_QOS  0x80
 553
 554 #define RTLLIB_QOS_HAS_SEQ(fc) \
 555         (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
 556          (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))
 557
 558 /* this is stolen from ipw2200 driver */
 559 #define IEEE_IBSS_MAC_HASH_SIZE 31
 560 struct ieee_ibss_seq {
 561         u8 mac[ETH_ALEN];
 562         u16 seq_num[17];
 563         u16 frag_num[17];
 564         unsigned long packet_time[17];
 565         struct list_head list;
 566 };
 567
 568 /* NOTE: This data is for statistical purposes; not all hardware provides this
 569  *       information for frames received.  Not setting these will not cause
 570  *       any adverse affects.
 571  */
 572 struct rtllib_rx_stats {
 573         u64 mac_time;
 574         s8  rssi;
 575         u8  signal;
 576         u8  noise;
 577         u16 rate; /* in 100 kbps */
 578         u8  received_channel;
 579         u8  control;
 580         u8  mask;
 581         u8  freq;
 582         u16 len;
 583         u64 tsf;
 584         u32 beacon_time;
 585         u8  nic_type;
 586         u16 Length;
 587         u8  SignalQuality;
 588         s32 RecvSignalPower;
 589         s8  RxPower;
 590         u8  SignalStrength;
 591         u16 bHwError:1;
 592         u16 bCRC:1;
 593         u16 bICV:1;
 594         u16 bShortPreamble:1;
 595         u16 Antenna:1;
 596         u16 Decrypted:1;
 597         u16 Wakeup:1;
 598         u16 Reserved0:1;
 599         u8  AGC;
 600         u32 TimeStampLow;
 601         u32 TimeStampHigh;
 602         bool bShift;
 603         bool bIsQosData;
 604
 605         u8    RxDrvInfoSize;
 606         u8    RxBufShift;
 607         bool  bIsAMPDU;
 608         bool  bFirstMPDU;
 609         bool  bContainHTC;
 610         bool  RxIs40MHzPacket;
 611         u32   RxPWDBAll;
 612         u8    RxMIMOSignalStrength[4];
 613         s8    RxMIMOSignalQuality[2];
 614         bool  bPacketMatchBSSID;
 615         bool  bIsCCK;
 616         bool  bPacketToSelf;
 617         u16    packetlength;
 618         u16    fraglength;
 619         u16    fragoffset;
 620         u16    ntotalfrag;
 621         bool   bPacketBeacon;
 622         bool   bToSelfBA;
 623         u16    Seq_Num;
 624 };
 625
 626 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 627  * three fragmented frames. This define can be increased to support more
 628  * concurrent frames, but it should be noted that each entry can consume about
 629  * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 630  */
 631 #define RTLLIB_FRAG_CACHE_LEN 4
 632
 633 struct rtllib_frag_entry {
 634         unsigned long first_frag_time;
 635         unsigned int seq;
 636         unsigned int last_frag;
 637         struct sk_buff *skb;
 638         u8 src_addr[ETH_ALEN];
 639         u8 dst_addr[ETH_ALEN];
 640 };
 641
 642 struct rtllib_device;
 643
 644 #define SEC_ACTIVE_KEY    (1<<4)
 645 #define SEC_AUTH_MODE     (1<<5)
 646 #define SEC_UNICAST_GROUP (1<<6)
 647 #define SEC_LEVEL        (1<<7)
 648 #define SEC_ENABLED       (1<<8)
 649
 650 #define SEC_LEVEL_0      0 /* None */
 651 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 652 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 653 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 654 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 655
 656 #define SEC_ALG_NONE            0
 657 #define SEC_ALG_WEP             1
 658 #define SEC_ALG_TKIP            2
 659 #define SEC_ALG_CCMP            4
 660
 661 #define WEP_KEY_LEN             13
 662 #define SCM_KEY_LEN             32
 663
 664 struct rtllib_security {
 665         u16 active_key:2,
 666             enabled:1,
 667             auth_mode:2,
 668             auth_algo:4,
 669             unicast_uses_group:1,
 670             encrypt:1;
 671         u8 key_sizes[NUM_WEP_KEYS];
 672         u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
 673         u8 level;
 674         u16 flags;
 675 } __packed;
 676
 677
 678 /* 802.11 data frame from AP
 679  *       ,-------------------------------------------------------------------.
 680  * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 681  *       |------|------|---------|---------|---------|------|---------|------|
 682  * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 683  *       |      | tion | (BSSID) |         |         | ence |  data   |      |
 684  *       `-------------------------------------------------------------------'
 685  * Total: 28-2340 bytes
 686  */
 687
 688 /* Management Frame Information Element Types */
 689 enum rtllib_mfie {
 690         MFIE_TYPE_SSID = 0,
 691         MFIE_TYPE_RATES = 1,
 692         MFIE_TYPE_FH_SET = 2,
 693         MFIE_TYPE_DS_SET = 3,
 694         MFIE_TYPE_CF_SET = 4,
 695         MFIE_TYPE_TIM = 5,
 696         MFIE_TYPE_IBSS_SET = 6,
 697         MFIE_TYPE_COUNTRY = 7,
 698         MFIE_TYPE_HOP_PARAMS = 8,
 699         MFIE_TYPE_HOP_TABLE = 9,
 700         MFIE_TYPE_REQUEST = 10,
 701         MFIE_TYPE_CHALLENGE = 16,
 702         MFIE_TYPE_POWER_CONSTRAINT = 32,
 703         MFIE_TYPE_POWER_CAPABILITY = 33,
 704         MFIE_TYPE_TPC_REQUEST = 34,
 705         MFIE_TYPE_TPC_REPORT = 35,
 706         MFIE_TYPE_SUPP_CHANNELS = 36,
 707         MFIE_TYPE_CSA = 37,
 708         MFIE_TYPE_MEASURE_REQUEST = 38,
 709         MFIE_TYPE_MEASURE_REPORT = 39,
 710         MFIE_TYPE_QUIET = 40,
 711         MFIE_TYPE_IBSS_DFS = 41,
 712         MFIE_TYPE_ERP = 42,
 713         MFIE_TYPE_HT_CAP = 45,
 714         MFIE_TYPE_RSN = 48,
 715         MFIE_TYPE_RATES_EX = 50,
 716         MFIE_TYPE_HT_INFO = 61,
 717         MFIE_TYPE_AIRONET = 133,
 718         MFIE_TYPE_GENERIC = 221,
 719         MFIE_TYPE_QOS_PARAMETER = 222,
 720 };
 721
 722 /* Minimal header; can be used for passing 802.11 frames with sufficient
 723  * information to determine what type of underlying data type is actually
 724  * stored in the data.
 725  */
 726 struct rtllib_pspoll_hdr {
 727         __le16 frame_ctl;
 728         __le16 aid;
 729         u8 bssid[ETH_ALEN];
 730         u8 ta[ETH_ALEN];
 731 } __packed;
 732
 733 struct rtllib_hdr {
 734         __le16 frame_ctl;
 735         __le16 duration_id;
 736         u8 payload[0];
 737 } __packed;
 738
 739 struct rtllib_hdr_1addr {
 740         __le16 frame_ctl;
 741         __le16 duration_id;
 742         u8 addr1[ETH_ALEN];
 743         u8 payload[0];
 744 } __packed;
 745
 746 struct rtllib_hdr_2addr {
 747         __le16 frame_ctl;
 748         __le16 duration_id;
 749         u8 addr1[ETH_ALEN];
 750         u8 addr2[ETH_ALEN];
 751         u8 payload[0];
 752 } __packed;
 753
 754 struct rtllib_hdr_3addr {
 755         __le16 frame_ctl;
 756         __le16 duration_id;
 757         u8 addr1[ETH_ALEN];
 758         u8 addr2[ETH_ALEN];
 759         u8 addr3[ETH_ALEN];
 760         __le16 seq_ctl;
 761         u8 payload[0];
 762 } __packed;
 763
 764 struct rtllib_hdr_4addr {
 765         __le16 frame_ctl;
 766         __le16 duration_id;
 767         u8 addr1[ETH_ALEN];
 768         u8 addr2[ETH_ALEN];
 769         u8 addr3[ETH_ALEN];
 770         __le16 seq_ctl;
 771         u8 addr4[ETH_ALEN];
 772         u8 payload[0];
 773 } __packed;
 774
 775 struct rtllib_hdr_3addrqos {
 776         __le16 frame_ctl;
 777         __le16 duration_id;
 778         u8 addr1[ETH_ALEN];
 779         u8 addr2[ETH_ALEN];
 780         u8 addr3[ETH_ALEN];
 781         __le16 seq_ctl;
 782         __le16 qos_ctl;
 783         u8 payload[0];
 784 } __packed;
 785
 786 struct rtllib_hdr_4addrqos {
 787         __le16 frame_ctl;
 788         __le16 duration_id;
 789         u8 addr1[ETH_ALEN];
 790         u8 addr2[ETH_ALEN];
 791         u8 addr3[ETH_ALEN];
 792         __le16 seq_ctl;
 793         u8 addr4[ETH_ALEN];
 794         __le16 qos_ctl;
 795         u8 payload[0];
 796 } __packed;
 797
 798 struct rtllib_info_element {
 799         u8 id;
 800         u8 len;
 801         u8 data[0];
 802 } __packed;
 803
 804 struct rtllib_authentication {
 805         struct rtllib_hdr_3addr header;
 806         __le16 algorithm;
 807         __le16 transaction;
 808         __le16 status;
 809         /*challenge*/
 810         struct rtllib_info_element info_element[0];
 811 } __packed;
 812
 813 struct rtllib_disauth {
 814         struct rtllib_hdr_3addr header;
 815         __le16 reason;
 816 } __packed;
 817
 818 struct rtllib_disassoc {
 819         struct rtllib_hdr_3addr header;
 820         __le16 reason;
 821 } __packed;
 822
 823 struct rtllib_probe_request {
 824         struct rtllib_hdr_3addr header;
 825         /* SSID, supported rates */
 826         struct rtllib_info_element info_element[0];
 827 } __packed;
 828
 829 struct rtllib_probe_response {
 830         struct rtllib_hdr_3addr header;
 831         u32 time_stamp[2];
 832         __le16 beacon_interval;
 833         __le16 capability;
 834         /* SSID, supported rates, FH params, DS params,
 835          * CF params, IBSS params, TIM (if beacon), RSN
 836          */
 837         struct rtllib_info_element info_element[0];
 838 } __packed;
 839
 840 /* Alias beacon for probe_response */
 841 #define rtllib_beacon rtllib_probe_response
 842
 843 struct rtllib_assoc_request_frame {
 844         struct rtllib_hdr_3addr header;
 845         __le16 capability;
 846         __le16 listen_interval;
 847         /* SSID, supported rates, RSN */
 848         struct rtllib_info_element info_element[0];
 849 } __packed;
 850
 851 struct rtllib_assoc_response_frame {
 852         struct rtllib_hdr_3addr header;
 853         __le16 capability;
 854         __le16 status;
 855         __le16 aid;
 856         struct rtllib_info_element info_element[0]; /* supported rates */
 857 } __packed;
 858
 859 struct rtllib_txb {
 860         u8 nr_frags;
 861         u8 encrypted;
 862         u8 queue_index;
 863         u8 rts_included;
 864         u16 reserved;
 865         __le16 frag_size;
 866         __le16 payload_size;
 867         struct sk_buff *fragments[0];
 868 };
 869
 870 #define MAX_SUBFRAME_COUNT                64
 871 struct rtllib_rxb {
 872         u8 nr_subframes;
 873         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 874         u8 dst[ETH_ALEN];
 875         u8 src[ETH_ALEN];
 876 } __packed;
 877
 878 union frameqos {
 879         u16 shortdata;
 880         u8  chardata[2];
 881         struct {
 882                 u16 tid:4;
 883                 u16 eosp:1;
 884                 u16 ack_policy:2;
 885                 u16 reserved:1;
 886                 u16 txop:8;
 887         } field;
 888 };
 889
 890 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 891  * only use 8, and then use extended rates for the remaining supported
 892  * rates.  Other APs, however, stick all of their supported rates on the
 893  * main rates information element...
 894  */
 895 #define MAX_RATES_LENGTH                  ((u8)12)
 896 #define MAX_RATES_EX_LENGTH            ((u8)16)
 897 #define MAX_NETWORK_COUNT                 96
 898
 899 #define MAX_CHANNEL_NUMBER               161
 900 #define RTLLIB_SOFTMAC_SCAN_TIME           100
 901 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 902
 903 #define MAX_WPA_IE_LEN 64
 904 #define MAX_WZC_IE_LEN 256
 905
 906 #define NETWORK_EMPTY_ESSID (1<<0)
 907 #define NETWORK_HAS_OFDM    (1<<1)
 908 #define NETWORK_HAS_CCK     (1<<2)
 909
 910 /* QoS structure */
 911 #define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
 912 #define NETWORK_HAS_QOS_INFORMATION     (1<<4)
 913 #define NETWORK_HAS_QOS_MASK        (NETWORK_HAS_QOS_PARAMETERS | \
 914                                          NETWORK_HAS_QOS_INFORMATION)
 915 /* 802.11h */
 916 #define NETWORK_HAS_ERP_VALUE      (1<<10)
 917
 918 #define QOS_QUEUE_NUM              4
 919 #define QOS_OUI_LEN                  3
 920 #define QOS_OUI_TYPE                2
 921 #define QOS_ELEMENT_ID            221
 922 #define QOS_OUI_INFO_SUB_TYPE      0
 923 #define QOS_OUI_PARAM_SUB_TYPE    1
 924 #define QOS_VERSION_1              1
 925
 926 struct rtllib_qos_information_element {
 927         u8 elementID;
 928         u8 length;
 929         u8 qui[QOS_OUI_LEN];
 930         u8 qui_type;
 931         u8 qui_subtype;
 932         u8 version;
 933         u8 ac_info;
 934 } __packed;
 935
 936 struct rtllib_qos_ac_parameter {
 937         u8 aci_aifsn;
 938         u8 ecw_min_max;
 939         __le16 tx_op_limit;
 940 } __packed;
 941
 942 struct rtllib_qos_parameter_info {
 943         struct rtllib_qos_information_element info_element;
 944         u8 reserved;
 945         struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 946 } __packed;
 947
 948 struct rtllib_qos_parameters {
 949         __le16 cw_min[QOS_QUEUE_NUM];
 950         __le16 cw_max[QOS_QUEUE_NUM];
 951         u8 aifs[QOS_QUEUE_NUM];
 952         u8 flag[QOS_QUEUE_NUM];
 953         __le16 tx_op_limit[QOS_QUEUE_NUM];
 954 } __packed;
 955
 956 struct rtllib_qos_data {
 957         struct rtllib_qos_parameters parameters;
 958         unsigned int wmm_acm;
 959         int active;
 960         int supported;
 961         u8 param_count;
 962         u8 old_param_count;
 963 };
 964
 965 struct rtllib_tim_parameters {
 966         u8 tim_count;
 967         u8 tim_period;
 968 } __packed;
 969
 970 struct rtllib_wmm_ac_param {
 971         u8 ac_aci_acm_aifsn;
 972         u8 ac_ecwmin_ecwmax;
 973         u16 ac_txop_limit;
 974 };
 975
 976 enum eap_type {
 977         EAP_PACKET = 0,
 978         EAPOL_START,
 979         EAPOL_LOGOFF,
 980         EAPOL_KEY,
 981         EAPOL_ENCAP_ASF_ALERT
 982 };
 983
 984 static const char * const eap_types[] = {
 985         [EAP_PACKET]            = "EAP-Packet",
 986         [EAPOL_START]           = "EAPOL-Start",
 987         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
 988         [EAPOL_KEY]             = "EAPOL-Key",
 989         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
 990 };
 991
 992 static inline const char *eap_get_type(int type)
 993 {
 994         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
 995                  eap_types[type];
 996 }
 997 static inline u8 Frame_QoSTID(u8 *buf)
 998 {
 999         struct rtllib_hdr_3addr *hdr;
1000         u16 fc;
1001
1002         hdr = (struct rtllib_hdr_3addr *)buf;
1003         fc = le16_to_cpu(hdr->frame_ctl);
1004         return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&
1005                     (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1006 }
1007
1008
1009 struct eapol {
1010         u8 snap[6];
1011         u16 ethertype;
1012         u8 version;
1013         u8 type;
1014         u16 length;
1015 } __packed;
1016
1017 struct rtllib_softmac_stats {
1018         unsigned int rx_ass_ok;
1019         unsigned int rx_ass_err;
1020         unsigned int rx_probe_rq;
1021         unsigned int tx_probe_rs;
1022         unsigned int tx_beacons;
1023         unsigned int rx_auth_rq;
1024         unsigned int rx_auth_rs_ok;
1025         unsigned int rx_auth_rs_err;
1026         unsigned int tx_auth_rq;
1027         unsigned int no_auth_rs;
1028         unsigned int no_ass_rs;
1029         unsigned int tx_ass_rq;
1030         unsigned int rx_ass_rq;
1031         unsigned int tx_probe_rq;
1032         unsigned int reassoc;
1033         unsigned int swtxstop;
1034         unsigned int swtxawake;
1035         unsigned char CurrentShowTxate;
1036         unsigned char last_packet_rate;
1037         unsigned int txretrycount;
1038 };
1039
1040 /* These are the data types that can make up management packets
1041  *
1042  * u16 auth_algorithm;
1043  * u16 auth_sequence;
1044  * u16 beacon_interval;
1045  * u16 capability;
1046  * u8 current_ap[ETH_ALEN];
1047  * u16 listen_interval;
1048  * struct {
1049  *   u16 association_id:14, reserved:2;
1050  * } __packed;
1051  * u32 time_stamp[2];
1052  * u16 reason;
1053  * u16 status;
1054  */
1055
1056 #define RTLLIB_DEFAULT_TX_ESSID "Penguin"
1057 #define RTLLIB_DEFAULT_BASIC_RATE 2
1058
1059 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1060 #define MAX_SP_Len  (WMM_all_frame << 4)
1061 #define RTLLIB_QOS_TID 0x0f
1062 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1063
1064 #define RTLLIB_DTIM_MBCAST 4
1065 #define RTLLIB_DTIM_UCAST 2
1066 #define RTLLIB_DTIM_VALID 1
1067 #define RTLLIB_DTIM_INVALID 0
1068
1069 #define RTLLIB_PS_DISABLED 0
1070 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
1071 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST
1072
1073 #define WME_AC_BK   0x00
1074 #define WME_AC_BE   0x01
1075 #define WME_AC_VI   0x02
1076 #define WME_AC_VO   0x03
1077 #define WME_AC_PRAM_LEN 16
1078
1079 #define MAX_RECEIVE_BUFFER_SIZE 9100
1080
1081 #define UP2AC(up) (                \
1082         ((up) < 1) ? WME_AC_BE : \
1083         ((up) < 3) ? WME_AC_BK : \
1084         ((up) < 4) ? WME_AC_BE : \
1085         ((up) < 6) ? WME_AC_VI : \
1086         WME_AC_VO)
1087
1088 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
1089 #define ETHERNET_HEADER_SIZE    14      /* length of two Ethernet address
1090                                          * plus ether type
1091                                          */
1092
1093 enum erp_t {
1094         ERP_NonERPpresent       = 0x01,
1095         ERP_UseProtection       = 0x02,
1096         ERP_BarkerPreambleMode = 0x04,
1097 };
1098
1099 struct rtllib_network {
1100         /* These entries are used to identify a unique network */
1101         u8 bssid[ETH_ALEN];
1102         u8 channel;
1103         /* Ensure null-terminated for any debug msgs */
1104         u8 ssid[IW_ESSID_MAX_SIZE + 1];
1105         u8 ssid_len;
1106         u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
1107         u8 hidden_ssid_len;
1108         struct rtllib_qos_data qos_data;
1109
1110         bool    bWithAironetIE;
1111         bool    bCkipSupported;
1112         bool    bCcxRmEnable;
1113         u16     CcxRmState[2];
1114         bool    bMBssidValid;
1115         u8      MBssidMask;
1116         u8      MBssid[ETH_ALEN];
1117         bool    bWithCcxVerNum;
1118         u8      BssCcxVerNumber;
1119         /* These are network statistics */
1120         struct rtllib_rx_stats stats;
1121         u16 capability;
1122         u8  rates[MAX_RATES_LENGTH];
1123         u8  rates_len;
1124         u8  rates_ex[MAX_RATES_EX_LENGTH];
1125         u8  rates_ex_len;
1126         unsigned long last_scanned;
1127         u8  mode;
1128         u32 flags;
1129         u32 time_stamp[2];
1130         u16 beacon_interval;
1131         u16 listen_interval;
1132         u16 atim_window;
1133         u8  erp_value;
1134         u8  wpa_ie[MAX_WPA_IE_LEN];
1135         size_t wpa_ie_len;
1136         u8  rsn_ie[MAX_WPA_IE_LEN];
1137         size_t rsn_ie_len;
1138         u8  wzc_ie[MAX_WZC_IE_LEN];
1139         size_t wzc_ie_len;
1140
1141         struct rtllib_tim_parameters tim;
1142         u8  dtim_period;
1143         u8  dtim_data;
1144         u64 last_dtim_sta_time;
1145
1146         u8 wmm_info;
1147         struct rtllib_wmm_ac_param wmm_param[4];
1148         u8 Turbo_Enable;
1149         u16 CountryIeLen;
1150         u8 CountryIeBuf[MAX_IE_LEN];
1151         struct bss_ht bssht;
1152         bool broadcom_cap_exist;
1153         bool realtek_cap_exit;
1154         bool marvell_cap_exist;
1155         bool ralink_cap_exist;
1156         bool atheros_cap_exist;
1157         bool cisco_cap_exist;
1158         bool airgo_cap_exist;
1159         bool unknown_cap_exist;
1160         bool    berp_info_valid;
1161         bool buseprotection;
1162         u8 SignalStrength;
1163         u8 RSSI;
1164         struct list_head list;
1165 };
1166
1167 enum rtllib_state {
1168
1169         /* the card is not linked at all */
1170         RTLLIB_NOLINK = 0,
1171
1172         /* RTLLIB_ASSOCIATING* are for BSS client mode
1173          * the driver shall not perform RX filtering unless
1174          * the state is LINKED.
1175          * The driver shall just check for the state LINKED and
1176          * defaults to NOLINK for ALL the other states (including
1177          * LINKED_SCANNING)
1178          */
1179
1180         /* the association procedure will start (wq scheduling)*/
1181         RTLLIB_ASSOCIATING,
1182         RTLLIB_ASSOCIATING_RETRY,
1183
1184         /* the association procedure is sending AUTH request*/
1185         RTLLIB_ASSOCIATING_AUTHENTICATING,
1186
1187         /* the association procedure has successfully authenticated
1188          * and is sending association request
1189          */
1190         RTLLIB_ASSOCIATING_AUTHENTICATED,
1191
1192         /* the link is ok. the card associated to a BSS or linked
1193          * to a ibss cell or acting as an AP and creating the bss
1194          */
1195         RTLLIB_LINKED,
1196
1197         /* same as LINKED, but the driver shall apply RX filter
1198          * rules as we are in NO_LINK mode. As the card is still
1199          * logically linked, but it is doing a syncro site survey
1200          * then it will be back to LINKED state.
1201          */
1202         RTLLIB_LINKED_SCANNING,
1203 };
1204
1205 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1206 #define DEFAULT_FTS 2346
1207
1208 #define CFG_RTLLIB_RESERVE_FCS (1<<0)
1209 #define CFG_RTLLIB_COMPUTE_FCS (1<<1)
1210
1211 struct tx_pending {
1212         int frag;
1213         struct rtllib_txb *txb;
1214 };
1215
1216 struct bandwidth_autoswitch {
1217         long threshold_20Mhzto40Mhz;
1218         long    threshold_40Mhzto20Mhz;
1219         bool bforced_tx20Mhz;
1220         bool bautoswitch_enable;
1221 };
1222
1223
1224
1225 #define REORDER_WIN_SIZE        128
1226 #define REORDER_ENTRY_NUM       128
1227 struct rx_reorder_entry {
1228         struct list_head        List;
1229         u16                     SeqNum;
1230         struct rtllib_rxb *prxb;
1231 };
1232 enum fsync_state {
1233         Default_Fsync,
1234         HW_Fsync,
1235         SW_Fsync
1236 };
1237
1238 enum rt_ps_mode {
1239         eActive,
1240         eMaxPs,
1241         eFastPs,
1242         eAutoPs,
1243 };
1244
1245 enum ips_callback_function {
1246         IPS_CALLBACK_NONE = 0,
1247         IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1248         IPS_CALLBACK_JOIN_REQUEST = 2,
1249 };
1250
1251 enum rt_rf_power_state {
1252         eRfOn,
1253         eRfSleep,
1254         eRfOff
1255 };
1256
1257 struct rt_pwr_save_ctrl {
1258
1259         bool                            bInactivePs;
1260         bool                            bIPSModeBackup;
1261         bool                            bSwRfProcessing;
1262         enum rt_rf_power_state eInactivePowerState;
1263         enum ips_callback_function ReturnPoint;
1264
1265         bool                            bLeisurePs;
1266         u8                              LpsIdleCount;
1267         u8                              RegMaxLPSAwakeIntvl;
1268         u8                              LPSAwakeIntvl;
1269
1270         u32                             CurPsLevel;
1271         u32                             RegRfPsLevel;
1272
1273         bool                            bFwCtrlLPS;
1274
1275 };
1276
1277 #define RT_RF_CHANGE_SOURCE u32
1278
1279 #define RF_CHANGE_BY_SW BIT31
1280 #define RF_CHANGE_BY_HW BIT30
1281 #define RF_CHANGE_BY_PS BIT29
1282 #define RF_CHANGE_BY_IPS BIT28
1283 #define RF_CHANGE_BY_INIT       0
1284
1285 enum country_code_type {
1286         COUNTRY_CODE_FCC = 0,
1287         COUNTRY_CODE_IC = 1,
1288         COUNTRY_CODE_ETSI = 2,
1289         COUNTRY_CODE_SPAIN = 3,
1290         COUNTRY_CODE_FRANCE = 4,
1291         COUNTRY_CODE_MKK = 5,
1292         COUNTRY_CODE_MKK1 = 6,
1293         COUNTRY_CODE_ISRAEL = 7,
1294         COUNTRY_CODE_TELEC = 8,
1295         COUNTRY_CODE_MIC = 9,
1296         COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1297         COUNTRY_CODE_WORLD_WIDE_13 = 11,
1298         COUNTRY_CODE_TELEC_NETGEAR = 12,
1299         COUNTRY_CODE_MAX
1300 };
1301
1302 enum scan_op_backup_opt {
1303         SCAN_OPT_BACKUP = 0,
1304         SCAN_OPT_RESTORE,
1305         SCAN_OPT_MAX
1306 };
1307
1308 enum fw_cmd_io_type {
1309         FW_CMD_DIG_ENABLE = 0,
1310         FW_CMD_DIG_DISABLE = 1,
1311         FW_CMD_DIG_HALT = 2,
1312         FW_CMD_DIG_RESUME = 3,
1313         FW_CMD_HIGH_PWR_ENABLE = 4,
1314         FW_CMD_HIGH_PWR_DISABLE = 5,
1315         FW_CMD_RA_RESET = 6,
1316         FW_CMD_RA_ACTIVE = 7,
1317         FW_CMD_RA_REFRESH_N = 8,
1318         FW_CMD_RA_REFRESH_BG = 9,
1319         FW_CMD_RA_INIT = 10,
1320         FW_CMD_IQK_ENABLE = 11,
1321         FW_CMD_TXPWR_TRACK_ENABLE = 12,
1322         FW_CMD_TXPWR_TRACK_DISABLE = 13,
1323         FW_CMD_TXPWR_TRACK_THERMAL = 14,
1324         FW_CMD_PAUSE_DM_BY_SCAN = 15,
1325         FW_CMD_RESUME_DM_BY_SCAN = 16,
1326         FW_CMD_RA_REFRESH_N_COMB = 17,
1327         FW_CMD_RA_REFRESH_BG_COMB = 18,
1328         FW_CMD_ANTENNA_SW_ENABLE = 19,
1329         FW_CMD_ANTENNA_SW_DISABLE = 20,
1330         FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
1331         FW_CMD_LPS_ENTER = 22,
1332         FW_CMD_LPS_LEAVE = 23,
1333 };
1334
1335 #define RT_MAX_LD_SLOT_NUM      10
1336 struct rt_link_detect {
1337
1338         u32                             NumRecvBcnInPeriod;
1339         u32                             NumRecvDataInPeriod;
1340
1341         u32                             RxBcnNum[RT_MAX_LD_SLOT_NUM];
1342         u32                             RxDataNum[RT_MAX_LD_SLOT_NUM];
1343         u16                             SlotNum;
1344         u16                             SlotIndex;
1345
1346         u32                             NumTxOkInPeriod;
1347         u32                             NumRxOkInPeriod;
1348         u32                             NumRxUnicastOkInPeriod;
1349         bool                            bBusyTraffic;
1350         bool                            bHigherBusyTraffic;
1351         bool                            bHigherBusyRxTraffic;
1352 };
1353
1354 struct sw_cam_table {
1355
1356         u8                              macaddr[ETH_ALEN];
1357         bool                            bused;
1358         u8                              key_buf[16];
1359         u16                             key_type;
1360         u8                              useDK;
1361         u8                              key_index;
1362
1363 };
1364 #define   TOTAL_CAM_ENTRY                               32
1365 struct rate_adaptive {
1366         u8                              rate_adaptive_disabled;
1367         u8                              ratr_state;
1368         u16                             reserve;
1369
1370         u32                             high_rssi_thresh_for_ra;
1371         u32                             high2low_rssi_thresh_for_ra;
1372         u8                              low2high_rssi_thresh_for_ra40M;
1373         u32                             low_rssi_thresh_for_ra40M;
1374         u8                              low2high_rssi_thresh_for_ra20M;
1375         u32                             low_rssi_thresh_for_ra20M;
1376         u32                             upper_rssi_threshold_ratr;
1377         u32                             middle_rssi_threshold_ratr;
1378         u32                             low_rssi_threshold_ratr;
1379         u32                             low_rssi_threshold_ratr_40M;
1380         u32                             low_rssi_threshold_ratr_20M;
1381         u8                              ping_rssi_enable;
1382         u32                             ping_rssi_ratr;
1383         u32                             ping_rssi_thresh_for_ra;
1384         u32                             last_ratr;
1385         u8                              PreRATRState;
1386
1387 };
1388
1389 #define NUM_PMKID_CACHE         16
1390 struct rt_pmkid_list {
1391         u8 Bssid[ETH_ALEN];
1392         u8 PMKID[16];
1393         u8 SsidBuf[33];
1394         u8 bUsed;
1395 };
1396
1397 struct rt_intel_promisc_mode {
1398         bool bPromiscuousOn;
1399         bool bFilterSourceStationFrame;
1400 };
1401
1402
1403 /*************** DRIVER STATUS   *****/
1404 #define STATUS_SCANNING                 0
1405 /*************** DRIVER STATUS   *****/
1406
1407 enum {
1408         LPS_IS_WAKE = 0,
1409         LPS_IS_SLEEP = 1,
1410         LPS_WAIT_NULL_DATA_SEND = 2,
1411 };
1412
1413 struct rtllib_device {
1414         struct pci_dev *pdev;
1415         struct net_device *dev;
1416         struct rtllib_security sec;
1417
1418         bool disable_mgnt_queue;
1419
1420         unsigned long status;
1421         u8      CntAfterLink;
1422
1423         enum rt_op_mode OpMode;
1424
1425         /* The last AssocReq/Resp IEs */
1426         u8 *assocreq_ies, *assocresp_ies;
1427         size_t assocreq_ies_len, assocresp_ies_len;
1428
1429         bool    bForcedBgMode;
1430         u8 RF_Type;
1431
1432         u8 hwsec_active;
1433         bool is_silent_reset;
1434         bool is_roaming;
1435         bool ieee_up;
1436         bool cannot_notify;
1437         bool bSupportRemoteWakeUp;
1438         bool actscanning;
1439         bool FirstIe_InScan;
1440         bool be_scan_inprogress;
1441         bool beinretry;
1442         enum rt_rf_power_state eRFPowerState;
1443         RT_RF_CHANGE_SOURCE     RfOffReason;
1444         bool is_set_key;
1445         bool wx_set_enc;
1446         struct rt_hi_throughput *pHTInfo;
1447
1448         spinlock_t reorder_spinlock;
1449         u8      Regdot11HTOperationalRateSet[16];
1450         u8      Regdot11TxHTOperationalRateSet[16];
1451         u8      dot11HTOperationalRateSet[16];
1452         u8      RegHTSuppRateSet[16];
1453         u8      HTCurrentOperaRate;
1454         u8      HTHighestOperaRate;
1455         u8      bTxDisableRateFallBack;
1456         u8      bTxUseDriverAssingedRate;
1457         u8      bTxEnableFwCalcDur;
1458         atomic_t        atm_swbw;
1459
1460         struct list_head                Tx_TS_Admit_List;
1461         struct list_head                Tx_TS_Pending_List;
1462         struct list_head                Tx_TS_Unused_List;
1463         struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
1464         struct list_head                Rx_TS_Admit_List;
1465         struct list_head                Rx_TS_Pending_List;
1466         struct list_head                Rx_TS_Unused_List;
1467         struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
1468         struct rx_reorder_entry RxReorderEntry[128];
1469         struct list_head                RxReorder_Unused_List;
1470
1471
1472         /* Bookkeeping structures */
1473         struct net_device_stats stats;
1474         struct rtllib_softmac_stats softmac_stats;
1475
1476         /* Probe / Beacon management */
1477         struct list_head network_free_list;
1478         struct list_head network_list;
1479         struct rtllib_network *networks;
1480         int scans;
1481         int scan_age;
1482
1483         int iw_mode; /* operating mode (IW_MODE_*) */
1484         bool bNetPromiscuousMode;
1485         struct rt_intel_promisc_mode IntelPromiscuousModeInfo;
1486
1487         spinlock_t lock;
1488         spinlock_t wpax_suitlist_lock;
1489
1490         int tx_headroom; /* Set to size of any additional room needed at front
1491                           * of allocated Tx SKBs
1492                           */
1493         u32 config;
1494
1495         /* WEP and other encryption related settings at the device level */
1496         int open_wep; /* Set to 1 to allow unencrypted frames */
1497         int auth_mode;
1498         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1499                                  * WEP key changes
1500                                  */
1501
1502         /* If the host performs {en,de}cryption, then set to 1 */
1503         int host_encrypt;
1504         int host_decrypt;
1505
1506         int ieee802_1x; /* is IEEE 802.1X used */
1507
1508         /* WPA data */
1509         bool bHalfWirelessN24GMode;
1510         int wpa_enabled;
1511         int drop_unencrypted;
1512         int tkip_countermeasures;
1513         int privacy_invoked;
1514         size_t wpa_ie_len;
1515         u8 *wpa_ie;
1516         size_t wps_ie_len;
1517         u8 *wps_ie;
1518         u8 ap_mac_addr[ETH_ALEN];
1519         u16 pairwise_key_type;
1520         u16 group_key_type;
1521
1522         struct lib80211_crypt_info crypt_info;
1523
1524         struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
1525
1526         struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
1527
1528         /* Fragmentation structures */
1529         struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
1530         unsigned int frag_next_idx[17];
1531         u16 fts; /* Fragmentation Threshold */
1532 #define DEFAULT_RTS_THRESHOLD 2346U
1533 #define MIN_RTS_THRESHOLD 1
1534 #define MAX_RTS_THRESHOLD 2346U
1535         u16 rts; /* RTS threshold */
1536
1537         /* Association info */
1538         u8 bssid[ETH_ALEN];
1539
1540         /* This stores infos for the current network.
1541          * Either the network we are associated in INFRASTRUCTURE
1542          * or the network that we are creating in MASTER mode.
1543          * ad-hoc is a mixture ;-).
1544          * Note that in infrastructure mode, even when not associated,
1545          * fields bssid and essid may be valid (if wpa_set and essid_set
1546          * are true) as thy carry the value set by the user via iwconfig
1547          */
1548         struct rtllib_network current_network;
1549
1550         enum rtllib_state state;
1551
1552         int short_slot;
1553         int mode;       /* A, B, G */
1554         int modulation; /* CCK, OFDM */
1555
1556         /* used for forcing the ibss workqueue to terminate
1557          * without wait for the syncro scan to terminate
1558          */
1559         short sync_scan_hurryup;
1560         u16 scan_watch_dog;
1561
1562         /* map of allowed channels. 0 is dummy */
1563         void *pDot11dInfo;
1564         bool bGlobalDomain;
1565         u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
1566
1567         u8   IbssStartChnl;
1568         u8   ibss_maxjoin_chal;
1569
1570         int rate;       /* current rate */
1571         int basic_rate;
1572
1573         short active_scan;
1574
1575         /* this contains flags for selectively enable softmac support */
1576         u16 softmac_features;
1577
1578         /* if the sequence control field is not filled by HW */
1579         u16 seq_ctrl[5];
1580
1581         /* association procedure transaction sequence number */
1582         u16 associate_seq;
1583
1584         /* AID for RTXed association responses */
1585         u16 assoc_id;
1586
1587         /* power save mode related*/
1588         u8 ack_tx_to_ieee;
1589         short ps;
1590         short sta_sleep;
1591         int ps_timeout;
1592         int ps_period;
1593         struct tasklet_struct ps_task;
1594         u64 ps_time;
1595         bool polling;
1596
1597         short raw_tx;
1598         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1599         short queue_stop;
1600         short scanning_continue;
1601         short proto_started;
1602         short proto_stoppping;
1603
1604         struct mutex wx_mutex;
1605         struct mutex scan_mutex;
1606         struct mutex ips_mutex;
1607
1608         spinlock_t mgmt_tx_lock;
1609         spinlock_t beacon_lock;
1610
1611         short beacon_txing;
1612
1613         short wap_set;
1614         short ssid_set;
1615
1616         /* set on initialization */
1617         unsigned int wmm_acm;
1618
1619         /* for discarding duplicated packets in IBSS */
1620         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1621
1622         /* for discarding duplicated packets in BSS */
1623         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1624         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1625         unsigned long last_packet_time[17];
1626
1627         /* for PS mode */
1628         unsigned long last_rx_ps_time;
1629         bool                    bAwakePktSent;
1630         u8                      LPSDelayCnt;
1631
1632         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1633         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1634         int mgmt_queue_head;
1635         int mgmt_queue_tail;
1636         u8 AsocRetryCount;
1637         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1638         struct sk_buff_head  skb_aggQ[MAX_QUEUE_SIZE];
1639
1640         bool    bdynamic_txpower_enable;
1641
1642         bool bCTSToSelfEnable;
1643
1644         u32     fsync_time_interval;
1645         u32     fsync_rate_bitmap;
1646         u8      fsync_rssi_threshold;
1647         bool    bfsync_enable;
1648
1649         u8      fsync_multiple_timeinterval;
1650         u32     fsync_firstdiff_ratethreshold;
1651         u32     fsync_seconddiff_ratethreshold;
1652         enum fsync_state fsync_state;
1653         bool            bis_any_nonbepkts;
1654         struct bandwidth_autoswitch bandwidth_auto_switch;
1655         bool FwRWRF;
1656
1657         struct rt_link_detect LinkDetectInfo;
1658         bool bIsAggregateFrame;
1659         struct rt_pwr_save_ctrl PowerSaveControl;
1660
1661         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1662         struct tx_pending tx_pending;
1663
1664         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1665         struct timer_list associate_timer;
1666
1667         /* used if IEEE_SOFTMAC_BEACONS is set */
1668         struct timer_list beacon_timer;
1669         u8 need_sw_enc;
1670         struct work_struct associate_complete_wq;
1671         struct work_struct ips_leave_wq;
1672         struct delayed_work associate_procedure_wq;
1673         struct delayed_work softmac_scan_wq;
1674         struct delayed_work associate_retry_wq;
1675         struct delayed_work start_ibss_wq;
1676         struct delayed_work hw_wakeup_wq;
1677         struct delayed_work hw_sleep_wq;
1678         struct delayed_work link_change_wq;
1679         struct work_struct wx_sync_scan_wq;
1680
1681         union {
1682                 struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
1683                 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
1684                 struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
1685                 struct {
1686                         struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
1687                         struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
1688                         struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
1689                 };
1690         };
1691
1692         /* Callback functions */
1693         void (*set_security)(struct net_device *dev,
1694                              struct rtllib_security *sec);
1695
1696         /* Used to TX data frame by using txb structs.
1697          * this is not used if in the softmac_features
1698          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1699          */
1700         int (*hard_start_xmit)(struct rtllib_txb *txb,
1701                                struct net_device *dev);
1702
1703         int (*reset_port)(struct net_device *dev);
1704
1705         /* Softmac-generated frames (management) are TXed via this
1706          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1707          * not set. As some cards may have different HW queues that
1708          * one might want to use for data and management frames
1709          * the option to have two callbacks might be useful.
1710          * This function can't sleep.
1711          */
1712         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1713                                struct net_device *dev);
1714
1715         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1716          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1717          * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1718          * then also management frames are sent via this callback.
1719          * This function can't sleep.
1720          */
1721         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1722                                struct net_device *dev, int rate);
1723
1724         /* stops the HW queue for DATA frames. Useful to avoid
1725          * waste time to TX data frame when we are reassociating
1726          * This function can sleep.
1727          */
1728         void (*data_hard_stop)(struct net_device *dev);
1729
1730         /* OK this is complementing to data_poll_hard_stop */
1731         void (*data_hard_resume)(struct net_device *dev);
1732
1733         /* ask to the driver to retune the radio.
1734          * This function can sleep. the driver should ensure
1735          * the radio has been switched before return.
1736          */
1737         void (*set_chan)(struct net_device *dev, short ch);
1738
1739         void (*rtllib_start_hw_scan)(struct net_device *dev);
1740         void (*rtllib_stop_hw_scan)(struct net_device *dev);
1741
1742         /* indicate the driver that the link state is changed
1743          * for example it may indicate the card is associated now.
1744          * Driver might be interested in this to apply RX filter
1745          * rules or simply light the LINK led
1746          */
1747         void (*link_change)(struct net_device *dev);
1748
1749         /* these two function indicates to the HW when to start
1750          * and stop to send beacons. This is used when the
1751          * IEEE_SOFTMAC_BEACONS is not set. For now the
1752          * stop_send_bacons is NOT guaranteed to be called only
1753          * after start_send_beacons.
1754          */
1755         void (*start_send_beacons)(struct net_device *dev);
1756         void (*stop_send_beacons)(struct net_device *dev);
1757
1758         /* power save mode related */
1759         void (*sta_wake_up)(struct net_device *dev);
1760         void (*enter_sleep_state)(struct net_device *dev, u64 time);
1761         short (*ps_is_queue_empty)(struct net_device *dev);
1762         int (*handle_beacon)(struct net_device *dev,
1763                              struct rtllib_beacon *beacon,
1764                              struct rtllib_network *network);
1765         int (*handle_assoc_response)(struct net_device *dev,
1766                                      struct rtllib_assoc_response_frame *resp,
1767                                      struct rtllib_network *network);
1768
1769
1770         /* check whether Tx hw resource available */
1771         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1772         void (*SetBWModeHandler)(struct net_device *dev,
1773                                  enum ht_channel_width Bandwidth,
1774                                  enum ht_extchnl_offset Offset);
1775         bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
1776         void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
1777         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
1778         u8   (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
1779         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1780         bool (*SetFwCmdHandler)(struct net_device *dev,
1781                                 enum fw_cmd_io_type FwCmdIO);
1782         void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
1783                                              bool start);
1784         void (*ScanOperationBackupHandler)(struct net_device *dev,
1785                                            u8 Operation);
1786         void (*LedControlHandler)(struct net_device *dev,
1787                                   enum led_ctl_mode LedAction);
1788         void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
1789
1790         void (*AllowAllDestAddrHandler)(struct net_device *dev,
1791                                         bool bAllowAllDA, bool WriteIntoReg);
1792
1793         void (*rtllib_ips_leave_wq)(struct net_device *dev);
1794         void (*rtllib_ips_leave)(struct net_device *dev);
1795         void (*LeisurePSLeave)(struct net_device *dev);
1796
1797         /* This must be the last item so that it points to the data
1798          * allocated beyond this structure by alloc_rtllib
1799          */
1800         u8 priv[0];
1801 };
1802
1803 #define IEEE_A      (1<<0)
1804 #define IEEE_B      (1<<1)
1805 #define IEEE_G      (1<<2)
1806 #define IEEE_N_24G                (1<<4)
1807 #define IEEE_N_5G                 (1<<5)
1808 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1809
1810 /* Generate a 802.11 header */
1811
1812 /* Uses the channel change callback directly
1813  * instead of [start/stop] scan callbacks
1814  */
1815 #define IEEE_SOFTMAC_SCAN (1<<2)
1816
1817 /* Perform authentication and association handshake */
1818 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1819
1820 /* Generate probe requests */
1821 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1822
1823 /* Generate response to probe requests */
1824 #define IEEE_SOFTMAC_PROBERS (1<<5)
1825
1826 /* The ieee802.11 stack will manage the netif queue
1827  * wake/stop for the driver, taking care of 802.11
1828  * fragmentation. See softmac.c for details.
1829  */
1830 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1831
1832 /* Uses only the softmac_data_hard_start_xmit
1833  * even for TX management frames.
1834  */
1835 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1836
1837 /* Generate beacons.  The stack will enqueue beacons
1838  * to the card
1839  */
1840 #define IEEE_SOFTMAC_BEACONS (1<<6)
1841
1842
1843 static inline void *rtllib_priv(struct net_device *dev)
1844 {
1845         return ((struct rtllib_device *)netdev_priv(dev))->priv;
1846 }
1847
1848 static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
1849 {
1850         /* Single white space is for Linksys APs */
1851         if (essid_len == 1 && essid[0] == ' ')
1852                 return 1;
1853
1854         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1855         while (essid_len) {
1856                 essid_len--;
1857                 if (essid[essid_len] != '\0')
1858                         return 0;
1859         }
1860
1861         return 1;
1862 }
1863
1864 static inline int rtllib_get_hdrlen(u16 fc)
1865 {
1866         int hdrlen = RTLLIB_3ADDR_LEN;
1867
1868         switch (WLAN_FC_GET_TYPE(fc)) {
1869         case RTLLIB_FTYPE_DATA:
1870                 if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
1871                         hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
1872                 if (RTLLIB_QOS_HAS_SEQ(fc))
1873                         hdrlen += 2; /* QOS ctrl*/
1874                 break;
1875         case RTLLIB_FTYPE_CTL:
1876                 switch (WLAN_FC_GET_STYPE(fc)) {
1877                 case RTLLIB_STYPE_CTS:
1878                 case RTLLIB_STYPE_ACK:
1879                         hdrlen = RTLLIB_1ADDR_LEN;
1880                         break;
1881                 default:
1882                         hdrlen = RTLLIB_2ADDR_LEN;
1883                         break;
1884                 }
1885                 break;
1886         }
1887
1888         return hdrlen;
1889 }
1890
1891 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
1892 {
1893         switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1894         case RTLLIB_1ADDR_LEN:
1895                 return ((struct rtllib_hdr_1addr *)hdr)->payload;
1896         case RTLLIB_2ADDR_LEN:
1897                 return ((struct rtllib_hdr_2addr *)hdr)->payload;
1898         case RTLLIB_3ADDR_LEN:
1899                 return ((struct rtllib_hdr_3addr *)hdr)->payload;
1900         case RTLLIB_4ADDR_LEN:
1901                 return ((struct rtllib_hdr_4addr *)hdr)->payload;
1902         }
1903         return NULL;
1904 }
1905
1906 static inline int rtllib_is_ofdm_rate(u8 rate)
1907 {
1908         switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1909         case RTLLIB_OFDM_RATE_6MB:
1910         case RTLLIB_OFDM_RATE_9MB:
1911         case RTLLIB_OFDM_RATE_12MB:
1912         case RTLLIB_OFDM_RATE_18MB:
1913         case RTLLIB_OFDM_RATE_24MB:
1914         case RTLLIB_OFDM_RATE_36MB:
1915         case RTLLIB_OFDM_RATE_48MB:
1916         case RTLLIB_OFDM_RATE_54MB:
1917                 return 1;
1918         }
1919         return 0;
1920 }
1921
1922 static inline int rtllib_is_cck_rate(u8 rate)
1923 {
1924         switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1925         case RTLLIB_CCK_RATE_1MB:
1926         case RTLLIB_CCK_RATE_2MB:
1927         case RTLLIB_CCK_RATE_5MB:
1928         case RTLLIB_CCK_RATE_11MB:
1929                 return 1;
1930         }
1931         return 0;
1932 }
1933
1934
1935 /* rtllib.c */
1936 void free_rtllib(struct net_device *dev);
1937 struct net_device *alloc_rtllib(int sizeof_priv);
1938
1939 /* rtllib_tx.c */
1940
1941 int rtllib_encrypt_fragment(
1942         struct rtllib_device *ieee,
1943         struct sk_buff *frag,
1944         int hdr_len);
1945
1946 int rtllib_xmit(struct sk_buff *skb,  struct net_device *dev);
1947 void rtllib_txb_free(struct rtllib_txb *);
1948
1949 /* rtllib_rx.c */
1950 int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
1951               struct rtllib_rx_stats *rx_stats);
1952 void rtllib_rx_probe_rq(struct rtllib_device *ieee,
1953                         struct sk_buff *skb);
1954 int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);
1955
1956 /* rtllib_wx.c */
1957 int rtllib_wx_get_scan(struct rtllib_device *ieee,
1958                        struct iw_request_info *info,
1959                        union iwreq_data *wrqu, char *key);
1960 int rtllib_wx_set_encode(struct rtllib_device *ieee,
1961                          struct iw_request_info *info,
1962                          union iwreq_data *wrqu, char *key);
1963 int rtllib_wx_get_encode(struct rtllib_device *ieee,
1964                          struct iw_request_info *info,
1965                          union iwreq_data *wrqu, char *key);
1966 int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
1967                              struct iw_request_info *info,
1968                              union iwreq_data *wrqu, char *extra);
1969 int rtllib_wx_set_auth(struct rtllib_device *ieee,
1970                        struct iw_request_info *info,
1971                        struct iw_param *data, char *extra);
1972 int rtllib_wx_set_mlme(struct rtllib_device *ieee,
1973                        struct iw_request_info *info,
1974                        union iwreq_data *wrqu, char *extra);
1975 int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);
1976
1977 /* rtllib_softmac.c */
1978 int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
1979                             struct rtllib_rx_stats *rx_stats, u16 type,
1980                             u16 stype);
1981 void rtllib_softmac_new_net(struct rtllib_device *ieee,
1982                             struct rtllib_network *net);
1983
1984 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
1985 void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
1986
1987 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
1988 void notify_wx_assoc_event(struct rtllib_device *ieee);
1989 void rtllib_start_ibss(struct rtllib_device *ieee);
1990 void rtllib_softmac_init(struct rtllib_device *ieee);
1991 void rtllib_softmac_free(struct rtllib_device *ieee);
1992 void rtllib_disassociate(struct rtllib_device *ieee);
1993 void rtllib_stop_scan(struct rtllib_device *ieee);
1994 bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
1995 void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
1996 void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
1997 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);
1998 void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
1999 void rtllib_start_protocol(struct rtllib_device *ieee);
2000 void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);
2001
2002 void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState);
2003 void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState);
2004 void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState);
2005 void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
2006                                         bool bInitState);
2007 void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
2008                                   u8 mesh_flag, u8 shutdown);
2009 void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag);
2010
2011 void rtllib_reset_queue(struct rtllib_device *ieee);
2012 void rtllib_wake_all_queues(struct rtllib_device *ieee);
2013 void rtllib_stop_all_queues(struct rtllib_device *ieee);
2014 struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
2015 void rtllib_start_send_beacons(struct rtllib_device *ieee);
2016 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2017
2018 void notify_wx_assoc_event(struct rtllib_device *ieee);
2019 void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);
2020
2021 void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);
2022 u8 rtllib_ap_sec_type(struct rtllib_device *ieee);
2023
2024 /* rtllib_softmac_wx.c */
2025
2026 int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2027                       union iwreq_data *wrqu, char *ext);
2028
2029 int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2030                       union iwreq_data *awrq, char *extra);
2031
2032 int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2033                         union iwreq_data *wrqu, char *b);
2034
2035 int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2036                        union iwreq_data *wrqu, char *extra);
2037
2038 int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2039                        union iwreq_data *wrqu, char *extra);
2040
2041 int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2042                        union iwreq_data *wrqu, char *b);
2043
2044 int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
2045                        union iwreq_data *wrqu, char *b);
2046
2047 int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2048                         union iwreq_data *wrqu, char *extra);
2049
2050 int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2051                        union iwreq_data *wrqu, char *b);
2052
2053 int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2054                        union iwreq_data *wrqu, char *b);
2055
2056 int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2057                        union iwreq_data *wrqu, char *b);
2058 void rtllib_wx_sync_scan_wq(void *data);
2059
2060 int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
2061                         struct iw_request_info *info,
2062                         union iwreq_data *wrqu, char *extra);
2063
2064 int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
2065                        union iwreq_data *wrqu, char *extra);
2066
2067 int rtllib_wx_set_power(struct rtllib_device *ieee,
2068                         struct iw_request_info *info,
2069                         union iwreq_data *wrqu, char *extra);
2070
2071 int rtllib_wx_get_power(struct rtllib_device *ieee,
2072                         struct iw_request_info *info,
2073                         union iwreq_data *wrqu, char *extra);
2074
2075 int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2076                       union iwreq_data *wrqu, char *extra);
2077
2078 int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2079                       union iwreq_data *wrqu, char *extra);
2080 #define MAX_RECEIVE_BUFFER_SIZE 9100
2081
2082 void HTSetConnectBwMode(struct rtllib_device *ieee,
2083                         enum ht_channel_width Bandwidth,
2084                         enum ht_extchnl_offset Offset);
2085 void HTUpdateDefaultSetting(struct rtllib_device *ieee);
2086 void HTConstructCapabilityElement(struct rtllib_device *ieee,
2087                                   u8 *posHTCap, u8 *len,
2088                                   u8 isEncrypt, bool bAssoc);
2089 void HTConstructInfoElement(struct rtllib_device *ieee,
2090                             u8 *posHTInfo, u8 *len, u8 isEncrypt);
2091 void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
2092                                 u8 *posRT2RTAgg, u8 *len);
2093 void HTOnAssocRsp(struct rtllib_device *ieee);
2094 void HTInitializeHTInfo(struct rtllib_device *ieee);
2095 void HTInitializeBssDesc(struct bss_ht *pBssHT);
2096 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
2097                                    struct rtllib_network *pNetwork);
2098 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
2099                                      struct rtllib_network *pNetwork);
2100 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
2101                        u8 *pMCSFilter);
2102 extern u8 MCS_FILTER_ALL[];
2103 extern u16 MCS_DATA_RATE[2][2][77];
2104 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
2105 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
2106 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
2107 u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
2108 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
2109 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
2110 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
2111 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
2112                  u8 Policy, u8 bOverwritePending);
2113 void TsInitDelBA(struct rtllib_device *ieee,
2114                  struct ts_common_info *pTsCommonInfo,
2115                  enum tr_select TxRxSelect);
2116 void BaSetupTimeOut(unsigned long data);
2117 void TxBaInactTimeout(unsigned long data);
2118 void RxBaInactTimeout(unsigned long data);
2119 void ResetBaEntry(struct ba_record *pBA);
2120 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
2121            u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
2122 void TSInitialize(struct rtllib_device *ieee);
2123 void TsStartAddBaProcess(struct rtllib_device *ieee,
2124                          struct tx_ts_record *pTxTS);
2125 void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
2126 void RemoveAllTS(struct rtllib_device *ieee);
2127
2128 extern const long rtllib_wlan_frequencies[];
2129
2130 static inline const char *escape_essid(const char *essid, u8 essid_len)
2131 {
2132         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2133
2134         if (rtllib_is_empty_essid(essid, essid_len)) {
2135                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2136                 return escaped;
2137         }
2138
2139         snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
2140         return escaped;
2141 }
2142
2143 /* fun with the built-in rtllib stack... */
2144 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
2145
2146
2147 /* For the function is more related to hardware setting, it's better to use the
2148  * ieee handler to refer to it.
2149  */
2150 void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
2151                                  struct rx_ts_record *pTS);
2152 int rtllib_parse_info_param(struct rtllib_device *ieee,
2153                             struct rtllib_info_element *info_element,
2154                             u16 length,
2155                             struct rtllib_network *network,
2156                             struct rtllib_rx_stats *stats);
2157
2158 void rtllib_indicate_packets(struct rtllib_device *ieee,
2159                              struct rtllib_rxb **prxbIndicateArray, u8  index);
2160 void HTUseDefaultSetting(struct rtllib_device *ieee);
2161 #define RT_ASOC_RETRY_LIMIT     5
2162 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
2163
2164 #endif /* RTLLIB_H */