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/semaphore.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(container_of(x, struct delayed_work, work), 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 IEEE_CMD_SET_WPA_PARAM                  1
 339 #define IEEE_CMD_SET_WPA_IE                     2
 340 #define IEEE_CMD_SET_ENCRYPTION                 3
 341 #define IEEE_CMD_MLME                           4
 342
 343 #define IEEE_PARAM_WPA_ENABLED                  1
 344 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
 345 #define IEEE_PARAM_DROP_UNENCRYPTED             3
 346 #define IEEE_PARAM_PRIVACY_INVOKED              4
 347 #define IEEE_PARAM_AUTH_ALGS                    5
 348 #define IEEE_PARAM_IEEE_802_1X                  6
 349 #define IEEE_PARAM_WPAX_SELECT                  7
 350
 351 #define IEEE_MLME_STA_DEAUTH                    1
 352 #define IEEE_MLME_STA_DISASSOC                  2
 353
 354
 355 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
 356 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
 357 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
 358 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
 359 #define IEEE_CRYPT_ALG_NAME_LEN                 16
 360
 361 #define MAX_IE_LEN  0xff
 362
 363 struct ieee_param {
 364         u32 cmd;
 365         u8 sta_addr[ETH_ALEN];
 366         union {
 367                 struct {
 368                         u8 name;
 369                         u32 value;
 370                 } wpa_param;
 371                 struct {
 372                         u32 len;
 373                         u8 reserved[32];
 374                         u8 data[0];
 375                 } wpa_ie;
 376                 struct {
 377                         int command;
 378                         int reason_code;
 379                 } mlme;
 380                 struct {
 381                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
 382                         u8 set_tx;
 383                         u32 err;
 384                         u8 idx;
 385                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 386                         u16 key_len;
 387                         u8 key[0];
 388                 } crypt;
 389         } u;
 390 };
 391
 392 #define msleep_interruptible_rsl  msleep_interruptible
 393
 394 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 395  * 6.2.1.1.2.
 396  *
 397  * The figure in section 7.1.2 suggests a body size of up to 2312
 398  * bytes is allowed, which is a bit confusing, I suspect this
 399  * represents the 2304 bytes of real data, plus a possible 8 bytes of
 400  * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 401  */
 402 #define RTLLIB_1ADDR_LEN 10
 403 #define RTLLIB_2ADDR_LEN 16
 404 #define RTLLIB_3ADDR_LEN 24
 405 #define RTLLIB_4ADDR_LEN 30
 406 #define RTLLIB_FCS_LEN    4
 407
 408 #define RTLLIB_SKBBUFFER_SIZE 2500
 409
 410 #define MIN_FRAG_THRESHOLD     256U
 411 #define MAX_FRAG_THRESHOLD     2346U
 412
 413 /* Frame control field constants */
 414 #define RTLLIB_FCTL_FTYPE               0x000c
 415 #define RTLLIB_FCTL_STYPE               0x00f0
 416 #define RTLLIB_FCTL_FRAMETYPE   0x00fc
 417 #define RTLLIB_FCTL_TODS                0x0100
 418 #define RTLLIB_FCTL_FROMDS              0x0200
 419 #define RTLLIB_FCTL_DSTODS              0x0300
 420 #define RTLLIB_FCTL_MOREFRAGS   0x0400
 421 #define RTLLIB_FCTL_RETRY               0x0800
 422 #define RTLLIB_FCTL_PM          0x1000
 423 #define RTLLIB_FCTL_MOREDATA            0x2000
 424 #define RTLLIB_FCTL_WEP         0x4000
 425 #define RTLLIB_FCTL_ORDER               0x8000
 426
 427 #define RTLLIB_FTYPE_MGMT               0x0000
 428 #define RTLLIB_FTYPE_CTL                0x0004
 429 #define RTLLIB_FTYPE_DATA               0x0008
 430
 431 /* management */
 432 #define RTLLIB_STYPE_ASSOC_REQ  0x0000
 433 #define RTLLIB_STYPE_ASSOC_RESP         0x0010
 434 #define RTLLIB_STYPE_REASSOC_REQ        0x0020
 435 #define RTLLIB_STYPE_REASSOC_RESP       0x0030
 436 #define RTLLIB_STYPE_PROBE_REQ  0x0040
 437 #define RTLLIB_STYPE_PROBE_RESP 0x0050
 438 #define RTLLIB_STYPE_BEACON             0x0080
 439 #define RTLLIB_STYPE_ATIM               0x0090
 440 #define RTLLIB_STYPE_DISASSOC   0x00A0
 441 #define RTLLIB_STYPE_AUTH               0x00B0
 442 #define RTLLIB_STYPE_DEAUTH             0x00C0
 443 #define RTLLIB_STYPE_MANAGE_ACT 0x00D0
 444
 445 /* control */
 446 #define RTLLIB_STYPE_PSPOLL             0x00A0
 447 #define RTLLIB_STYPE_RTS                0x00B0
 448 #define RTLLIB_STYPE_CTS                0x00C0
 449 #define RTLLIB_STYPE_ACK                0x00D0
 450
 451 /* data */
 452 #define RTLLIB_STYPE_DATA               0x0000
 453 #define RTLLIB_STYPE_DATA_CFACK 0x0010
 454 #define RTLLIB_STYPE_DATA_CFPOLL        0x0020
 455 #define RTLLIB_STYPE_DATA_CFACKPOLL     0x0030
 456 #define RTLLIB_STYPE_NULLFUNC   0x0040
 457 #define RTLLIB_STYPE_QOS_DATA   0x0080
 458 #define RTLLIB_STYPE_QOS_NULL   0x00C0
 459
 460 #define RTLLIB_SCTL_FRAG                0x000F
 461 #define RTLLIB_SCTL_SEQ         0xFFF0
 462
 463 /* QOS control */
 464 #define RTLLIB_QCTL_TID       0x000F
 465
 466 #define FC_QOS_BIT                                      BIT7
 467 #define IsDataFrame(pdu)        (((pdu[0] & 0x0C) == 0x08) ? true : false)
 468 #define IsLegacyDataFrame(pdu)  (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
 469 #define IsQoSDataFrame(pframe)                  \
 470         ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) ==  \
 471         (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
 472 #define Frame_Order(pframe)     (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
 473 #define SN_LESS(a, b)           (((a-b)&0x800) != 0)
 474 #define SN_EQUAL(a, b)  (a == b)
 475 #define MAX_DEV_ADDR_SIZE 8
 476
 477 enum act_category {
 478         ACT_CAT_QOS = 1,
 479         ACT_CAT_DLS = 2,
 480         ACT_CAT_BA  = 3,
 481         ACT_CAT_HT  = 7,
 482         ACT_CAT_WMM = 17,
 483 };
 484
 485 enum ba_action {
 486         ACT_ADDBAREQ = 0,
 487         ACT_ADDBARSP = 1,
 488         ACT_DELBA    = 2,
 489 };
 490
 491 enum init_gain_op_type {
 492         IG_Backup = 0,
 493         IG_Restore,
 494         IG_Max
 495 };
 496
 497 enum led_ctl_mode {
 498         LED_CTL_POWER_ON = 1,
 499         LED_CTL_LINK = 2,
 500         LED_CTL_NO_LINK = 3,
 501         LED_CTL_TX = 4,
 502         LED_CTL_RX = 5,
 503         LED_CTL_SITE_SURVEY = 6,
 504         LED_CTL_POWER_OFF = 7,
 505         LED_CTL_START_TO_LINK = 8,
 506 };
 507
 508 enum rt_rf_type_def {
 509         RF_1T2R = 0,
 510         RF_2T4R,
 511 };
 512
 513 enum wireless_mode {
 514         WIRELESS_MODE_UNKNOWN = 0x00,
 515         WIRELESS_MODE_A = 0x01,
 516         WIRELESS_MODE_B = 0x02,
 517         WIRELESS_MODE_G = 0x04,
 518         WIRELESS_MODE_AUTO = 0x08,
 519         WIRELESS_MODE_N_24G = 0x10,
 520         WIRELESS_MODE_N_5G = 0x20
 521 };
 522
 523 #ifndef ETH_P_PAE
 524 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
 525 #define ETH_P_IP        0x0800          /* Internet Protocol packet     */
 526 #define ETH_P_ARP       0x0806          /* Address Resolution packet    */
 527 #endif /* ETH_P_PAE */
 528
 529 #ifndef ETH_P_80211_RAW
 530 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
 531 #endif
 532
 533 /* IEEE 802.11 defines */
 534
 535 #define P80211_OUI_LEN 3
 536
 537 struct rtllib_snap_hdr {
 538
 539         u8    dsap;   /* always 0xAA */
 540         u8    ssap;   /* always 0xAA */
 541         u8    ctrl;   /* always 0x03 */
 542         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 543
 544 } __packed;
 545
 546 enum _REG_PREAMBLE_MODE {
 547         PREAMBLE_LONG = 1,
 548         PREAMBLE_AUTO = 2,
 549         PREAMBLE_SHORT = 3,
 550 };
 551
 552 #define SNAP_SIZE sizeof(struct rtllib_snap_hdr)
 553
 554 #define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
 555 #define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
 556 #define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)
 557
 558 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
 559 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
 560 #define WLAN_GET_SEQ_SEQ(seq)  (((seq) & RTLLIB_SCTL_SEQ) >> 4)
 561
 562 /* Authentication algorithms */
 563 #define WLAN_AUTH_OPEN 0
 564 #define WLAN_AUTH_SHARED_KEY 1
 565 #define WLAN_AUTH_LEAP 128
 566
 567 #define WLAN_CAPABILITY_ESS (1<<0)
 568 #define WLAN_CAPABILITY_IBSS (1<<1)
 569 #define WLAN_CAPABILITY_PRIVACY (1<<4)
 570 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
 571 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
 572
 573 #define RTLLIB_STATMASK_SIGNAL (1<<0)
 574 #define RTLLIB_STATMASK_RSSI (1<<1)
 575 #define RTLLIB_STATMASK_NOISE (1<<2)
 576 #define RTLLIB_STATMASK_WEMASK 0x7
 577
 578 #define RTLLIB_CCK_MODULATION    (1<<0)
 579 #define RTLLIB_OFDM_MODULATION   (1<<1)
 580
 581 #define RTLLIB_24GHZ_BAND     (1<<0)
 582 #define RTLLIB_52GHZ_BAND     (1<<1)
 583
 584 #define RTLLIB_CCK_RATE_LEN             4
 585 #define RTLLIB_CCK_RATE_1MB                     0x02
 586 #define RTLLIB_CCK_RATE_2MB                     0x04
 587 #define RTLLIB_CCK_RATE_5MB                     0x0B
 588 #define RTLLIB_CCK_RATE_11MB                    0x16
 589 #define RTLLIB_OFDM_RATE_LEN            8
 590 #define RTLLIB_OFDM_RATE_6MB                    0x0C
 591 #define RTLLIB_OFDM_RATE_9MB                    0x12
 592 #define RTLLIB_OFDM_RATE_12MB           0x18
 593 #define RTLLIB_OFDM_RATE_18MB           0x24
 594 #define RTLLIB_OFDM_RATE_24MB           0x30
 595 #define RTLLIB_OFDM_RATE_36MB           0x48
 596 #define RTLLIB_OFDM_RATE_48MB           0x60
 597 #define RTLLIB_OFDM_RATE_54MB           0x6C
 598 #define RTLLIB_BASIC_RATE_MASK          0x80
 599
 600 /* this is stolen and modified from the madwifi driver*/
 601 #define RTLLIB_FC0_TYPE_MASK            0x0c
 602 #define RTLLIB_FC0_TYPE_DATA            0x08
 603 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0
 604 #define RTLLIB_FC0_SUBTYPE_QOS  0x80
 605
 606 #define RTLLIB_QOS_HAS_SEQ(fc) \
 607         (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
 608          (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))
 609
 610 /* this is stolen from ipw2200 driver */
 611 #define IEEE_IBSS_MAC_HASH_SIZE 31
 612 struct ieee_ibss_seq {
 613         u8 mac[ETH_ALEN];
 614         u16 seq_num[17];
 615         u16 frag_num[17];
 616         unsigned long packet_time[17];
 617         struct list_head list;
 618 };
 619
 620 /* NOTE: This data is for statistical purposes; not all hardware provides this
 621  *       information for frames received.  Not setting these will not cause
 622  *       any adverse affects. */
 623 struct rtllib_rx_stats {
 624         u64 mac_time;
 625         s8  rssi;
 626         u8  signal;
 627         u8  noise;
 628         u16 rate; /* in 100 kbps */
 629         u8  received_channel;
 630         u8  control;
 631         u8  mask;
 632         u8  freq;
 633         u16 len;
 634         u64 tsf;
 635         u32 beacon_time;
 636         u8  nic_type;
 637         u16 Length;
 638         u8  SignalQuality;
 639         s32 RecvSignalPower;
 640         s8  RxPower;
 641         u8  SignalStrength;
 642         u16 bHwError:1;
 643         u16 bCRC:1;
 644         u16 bICV:1;
 645         u16 bShortPreamble:1;
 646         u16 Antenna:1;
 647         u16 Decrypted:1;
 648         u16 Wakeup:1;
 649         u16 Reserved0:1;
 650         u8  AGC;
 651         u32 TimeStampLow;
 652         u32 TimeStampHigh;
 653         bool bShift;
 654         bool bIsQosData;
 655
 656         u8    RxDrvInfoSize;
 657         u8    RxBufShift;
 658         bool  bIsAMPDU;
 659         bool  bFirstMPDU;
 660         bool  bContainHTC;
 661         bool  RxIs40MHzPacket;
 662         u32   RxPWDBAll;
 663         u8    RxMIMOSignalStrength[4];
 664         s8    RxMIMOSignalQuality[2];
 665         bool  bPacketMatchBSSID;
 666         bool  bIsCCK;
 667         bool  bPacketToSelf;
 668         u16    packetlength;
 669         u16    fraglength;
 670         u16    fragoffset;
 671         u16    ntotalfrag;
 672         bool   bPacketBeacon;
 673         bool   bToSelfBA;
 674         u16    Seq_Num;
 675 };
 676
 677 /* IEEE 802.11 requires that STA supports concurrent reception of at least
 678  * three fragmented frames. This define can be increased to support more
 679  * concurrent frames, but it should be noted that each entry can consume about
 680  * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 681  */
 682 #define RTLLIB_FRAG_CACHE_LEN 4
 683
 684 struct rtllib_frag_entry {
 685         unsigned long first_frag_time;
 686         unsigned int seq;
 687         unsigned int last_frag;
 688         struct sk_buff *skb;
 689         u8 src_addr[ETH_ALEN];
 690         u8 dst_addr[ETH_ALEN];
 691 };
 692
 693 struct rtllib_device;
 694
 695 #define SEC_ACTIVE_KEY    (1<<4)
 696 #define SEC_AUTH_MODE     (1<<5)
 697 #define SEC_UNICAST_GROUP (1<<6)
 698 #define SEC_LEVEL        (1<<7)
 699 #define SEC_ENABLED       (1<<8)
 700
 701 #define SEC_LEVEL_0      0 /* None */
 702 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
 703 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
 704 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
 705 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
 706
 707 #define SEC_ALG_NONE            0
 708 #define SEC_ALG_WEP             1
 709 #define SEC_ALG_TKIP            2
 710 #define SEC_ALG_CCMP            4
 711
 712 #define WEP_KEY_LEN             13
 713 #define SCM_KEY_LEN             32
 714
 715 struct rtllib_security {
 716         u16 active_key:2,
 717             enabled:1,
 718             auth_mode:2,
 719             auth_algo:4,
 720             unicast_uses_group:1,
 721             encrypt:1;
 722         u8 key_sizes[NUM_WEP_KEYS];
 723         u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
 724         u8 level;
 725         u16 flags;
 726 } __packed;
 727
 728
 729 /* 802.11 data frame from AP
 730  *       ,-------------------------------------------------------------------.
 731  * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 732  *       |------|------|---------|---------|---------|------|---------|------|
 733  * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 734  *       |      | tion | (BSSID) |         |         | ence |  data   |      |
 735  *       `-------------------------------------------------------------------'
 736  * Total: 28-2340 bytes
 737  */
 738
 739 /* Management Frame Information Element Types */
 740 enum rtllib_mfie {
 741         MFIE_TYPE_SSID = 0,
 742         MFIE_TYPE_RATES = 1,
 743         MFIE_TYPE_FH_SET = 2,
 744         MFIE_TYPE_DS_SET = 3,
 745         MFIE_TYPE_CF_SET = 4,
 746         MFIE_TYPE_TIM = 5,
 747         MFIE_TYPE_IBSS_SET = 6,
 748         MFIE_TYPE_COUNTRY = 7,
 749         MFIE_TYPE_HOP_PARAMS = 8,
 750         MFIE_TYPE_HOP_TABLE = 9,
 751         MFIE_TYPE_REQUEST = 10,
 752         MFIE_TYPE_CHALLENGE = 16,
 753         MFIE_TYPE_POWER_CONSTRAINT = 32,
 754         MFIE_TYPE_POWER_CAPABILITY = 33,
 755         MFIE_TYPE_TPC_REQUEST = 34,
 756         MFIE_TYPE_TPC_REPORT = 35,
 757         MFIE_TYPE_SUPP_CHANNELS = 36,
 758         MFIE_TYPE_CSA = 37,
 759         MFIE_TYPE_MEASURE_REQUEST = 38,
 760         MFIE_TYPE_MEASURE_REPORT = 39,
 761         MFIE_TYPE_QUIET = 40,
 762         MFIE_TYPE_IBSS_DFS = 41,
 763         MFIE_TYPE_ERP = 42,
 764         MFIE_TYPE_HT_CAP = 45,
 765         MFIE_TYPE_RSN = 48,
 766         MFIE_TYPE_RATES_EX = 50,
 767         MFIE_TYPE_HT_INFO = 61,
 768         MFIE_TYPE_AIRONET = 133,
 769         MFIE_TYPE_GENERIC = 221,
 770         MFIE_TYPE_QOS_PARAMETER = 222,
 771 };
 772
 773 /* Minimal header; can be used for passing 802.11 frames with sufficient
 774  * information to determine what type of underlying data type is actually
 775  * stored in the data.
 776  */
 777 struct rtllib_pspoll_hdr {
 778         __le16 frame_ctl;
 779         __le16 aid;
 780         u8 bssid[ETH_ALEN];
 781         u8 ta[ETH_ALEN];
 782 } __packed;
 783
 784 struct rtllib_hdr {
 785         __le16 frame_ctl;
 786         __le16 duration_id;
 787         u8 payload[0];
 788 } __packed;
 789
 790 struct rtllib_hdr_1addr {
 791         __le16 frame_ctl;
 792         __le16 duration_id;
 793         u8 addr1[ETH_ALEN];
 794         u8 payload[0];
 795 } __packed;
 796
 797 struct rtllib_hdr_2addr {
 798         __le16 frame_ctl;
 799         __le16 duration_id;
 800         u8 addr1[ETH_ALEN];
 801         u8 addr2[ETH_ALEN];
 802         u8 payload[0];
 803 } __packed;
 804
 805 struct rtllib_hdr_3addr {
 806         __le16 frame_ctl;
 807         __le16 duration_id;
 808         u8 addr1[ETH_ALEN];
 809         u8 addr2[ETH_ALEN];
 810         u8 addr3[ETH_ALEN];
 811         __le16 seq_ctl;
 812         u8 payload[0];
 813 } __packed;
 814
 815 struct rtllib_hdr_4addr {
 816         __le16 frame_ctl;
 817         __le16 duration_id;
 818         u8 addr1[ETH_ALEN];
 819         u8 addr2[ETH_ALEN];
 820         u8 addr3[ETH_ALEN];
 821         __le16 seq_ctl;
 822         u8 addr4[ETH_ALEN];
 823         u8 payload[0];
 824 } __packed;
 825
 826 struct rtllib_hdr_3addrqos {
 827         __le16 frame_ctl;
 828         __le16 duration_id;
 829         u8 addr1[ETH_ALEN];
 830         u8 addr2[ETH_ALEN];
 831         u8 addr3[ETH_ALEN];
 832         __le16 seq_ctl;
 833         __le16 qos_ctl;
 834         u8 payload[0];
 835 } __packed;
 836
 837 struct rtllib_hdr_4addrqos {
 838         __le16 frame_ctl;
 839         __le16 duration_id;
 840         u8 addr1[ETH_ALEN];
 841         u8 addr2[ETH_ALEN];
 842         u8 addr3[ETH_ALEN];
 843         __le16 seq_ctl;
 844         u8 addr4[ETH_ALEN];
 845         __le16 qos_ctl;
 846         u8 payload[0];
 847 } __packed;
 848
 849 struct rtllib_info_element {
 850         u8 id;
 851         u8 len;
 852         u8 data[0];
 853 } __packed;
 854
 855 struct rtllib_authentication {
 856         struct rtllib_hdr_3addr header;
 857         __le16 algorithm;
 858         __le16 transaction;
 859         __le16 status;
 860         /*challenge*/
 861         struct rtllib_info_element info_element[0];
 862 } __packed;
 863
 864 struct rtllib_disauth {
 865         struct rtllib_hdr_3addr header;
 866         __le16 reason;
 867 } __packed;
 868
 869 struct rtllib_disassoc {
 870         struct rtllib_hdr_3addr header;
 871         __le16 reason;
 872 } __packed;
 873
 874 struct rtllib_probe_request {
 875         struct rtllib_hdr_3addr header;
 876         /* SSID, supported rates */
 877         struct rtllib_info_element info_element[0];
 878 } __packed;
 879
 880 struct rtllib_probe_response {
 881         struct rtllib_hdr_3addr header;
 882         u32 time_stamp[2];
 883         __le16 beacon_interval;
 884         __le16 capability;
 885         /* SSID, supported rates, FH params, DS params,
 886          * CF params, IBSS params, TIM (if beacon), RSN
 887          */
 888         struct rtllib_info_element info_element[0];
 889 } __packed;
 890
 891 /* Alias beacon for probe_response */
 892 #define rtllib_beacon rtllib_probe_response
 893
 894 struct rtllib_assoc_request_frame {
 895         struct rtllib_hdr_3addr header;
 896         __le16 capability;
 897         __le16 listen_interval;
 898         /* SSID, supported rates, RSN */
 899         struct rtllib_info_element info_element[0];
 900 } __packed;
 901
 902 struct rtllib_assoc_response_frame {
 903         struct rtllib_hdr_3addr header;
 904         __le16 capability;
 905         __le16 status;
 906         __le16 aid;
 907         struct rtllib_info_element info_element[0]; /* supported rates */
 908 } __packed;
 909
 910 struct rtllib_txb {
 911         u8 nr_frags;
 912         u8 encrypted;
 913         u8 queue_index;
 914         u8 rts_included;
 915         u16 reserved;
 916         __le16 frag_size;
 917         __le16 payload_size;
 918         struct sk_buff *fragments[0];
 919 };
 920
 921 #define MAX_SUBFRAME_COUNT                64
 922 struct rtllib_rxb {
 923         u8 nr_subframes;
 924         struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
 925         u8 dst[ETH_ALEN];
 926         u8 src[ETH_ALEN];
 927 } __packed;
 928
 929 union frameqos {
 930         u16 shortdata;
 931         u8  chardata[2];
 932         struct {
 933                 u16 tid:4;
 934                 u16 eosp:1;
 935                 u16 ack_policy:2;
 936                 u16 reserved:1;
 937                 u16 txop:8;
 938         } field;
 939 };
 940
 941 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 942  * only use 8, and then use extended rates for the remaining supported
 943  * rates.  Other APs, however, stick all of their supported rates on the
 944  * main rates information element...
 945  */
 946 #define MAX_RATES_LENGTH                  ((u8)12)
 947 #define MAX_RATES_EX_LENGTH            ((u8)16)
 948 #define MAX_NETWORK_COUNT                 96
 949
 950 #define MAX_CHANNEL_NUMBER               161
 951 #define RTLLIB_SOFTMAC_SCAN_TIME           100
 952 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
 953
 954 #define MAX_WPA_IE_LEN 64
 955 #define MAX_WZC_IE_LEN 256
 956
 957 #define NETWORK_EMPTY_ESSID (1<<0)
 958 #define NETWORK_HAS_OFDM    (1<<1)
 959 #define NETWORK_HAS_CCK     (1<<2)
 960
 961 /* QoS structure */
 962 #define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
 963 #define NETWORK_HAS_QOS_INFORMATION     (1<<4)
 964 #define NETWORK_HAS_QOS_MASK        (NETWORK_HAS_QOS_PARAMETERS | \
 965                                          NETWORK_HAS_QOS_INFORMATION)
 966 /* 802.11h */
 967 #define NETWORK_HAS_ERP_VALUE      (1<<10)
 968
 969 #define QOS_QUEUE_NUM              4
 970 #define QOS_OUI_LEN                  3
 971 #define QOS_OUI_TYPE                2
 972 #define QOS_ELEMENT_ID            221
 973 #define QOS_OUI_INFO_SUB_TYPE      0
 974 #define QOS_OUI_PARAM_SUB_TYPE    1
 975 #define QOS_VERSION_1              1
 976
 977 struct rtllib_qos_information_element {
 978         u8 elementID;
 979         u8 length;
 980         u8 qui[QOS_OUI_LEN];
 981         u8 qui_type;
 982         u8 qui_subtype;
 983         u8 version;
 984         u8 ac_info;
 985 } __packed;
 986
 987 struct rtllib_qos_ac_parameter {
 988         u8 aci_aifsn;
 989         u8 ecw_min_max;
 990         __le16 tx_op_limit;
 991 } __packed;
 992
 993 struct rtllib_qos_parameter_info {
 994         struct rtllib_qos_information_element info_element;
 995         u8 reserved;
 996         struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
 997 } __packed;
 998
 999 struct rtllib_qos_parameters {
1000         __le16 cw_min[QOS_QUEUE_NUM];
1001         __le16 cw_max[QOS_QUEUE_NUM];
1002         u8 aifs[QOS_QUEUE_NUM];
1003         u8 flag[QOS_QUEUE_NUM];
1004         __le16 tx_op_limit[QOS_QUEUE_NUM];
1005 } __packed;
1006
1007 struct rtllib_qos_data {
1008         struct rtllib_qos_parameters parameters;
1009         unsigned int wmm_acm;
1010         int active;
1011         int supported;
1012         u8 param_count;
1013         u8 old_param_count;
1014 };
1015
1016 struct rtllib_tim_parameters {
1017         u8 tim_count;
1018         u8 tim_period;
1019 } __packed;
1020
1021 struct rtllib_wmm_ac_param {
1022         u8 ac_aci_acm_aifsn;
1023         u8 ac_ecwmin_ecwmax;
1024         u16 ac_txop_limit;
1025 };
1026
1027 enum eap_type {
1028         EAP_PACKET = 0,
1029         EAPOL_START,
1030         EAPOL_LOGOFF,
1031         EAPOL_KEY,
1032         EAPOL_ENCAP_ASF_ALERT
1033 };
1034
1035 static const char * const eap_types[] = {
1036         [EAP_PACKET]            = "EAP-Packet",
1037         [EAPOL_START]           = "EAPOL-Start",
1038         [EAPOL_LOGOFF]          = "EAPOL-Logoff",
1039         [EAPOL_KEY]             = "EAPOL-Key",
1040         [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
1041 };
1042
1043 static inline const char *eap_get_type(int type)
1044 {
1045         return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
1046                  eap_types[type];
1047 }
1048 static inline u8 Frame_QoSTID(u8 *buf)
1049 {
1050         struct rtllib_hdr_3addr *hdr;
1051         u16 fc;
1052
1053         hdr = (struct rtllib_hdr_3addr *)buf;
1054         fc = le16_to_cpu(hdr->frame_ctl);
1055         return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&
1056                     (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
1057 }
1058
1059
1060 struct eapol {
1061         u8 snap[6];
1062         u16 ethertype;
1063         u8 version;
1064         u8 type;
1065         u16 length;
1066 } __packed;
1067
1068 struct rtllib_softmac_stats {
1069         unsigned int rx_ass_ok;
1070         unsigned int rx_ass_err;
1071         unsigned int rx_probe_rq;
1072         unsigned int tx_probe_rs;
1073         unsigned int tx_beacons;
1074         unsigned int rx_auth_rq;
1075         unsigned int rx_auth_rs_ok;
1076         unsigned int rx_auth_rs_err;
1077         unsigned int tx_auth_rq;
1078         unsigned int no_auth_rs;
1079         unsigned int no_ass_rs;
1080         unsigned int tx_ass_rq;
1081         unsigned int rx_ass_rq;
1082         unsigned int tx_probe_rq;
1083         unsigned int reassoc;
1084         unsigned int swtxstop;
1085         unsigned int swtxawake;
1086         unsigned char CurrentShowTxate;
1087         unsigned char last_packet_rate;
1088         unsigned int txretrycount;
1089 };
1090
1091 /* These are the data types that can make up management packets
1092  *
1093  * u16 auth_algorithm;
1094  * u16 auth_sequence;
1095  * u16 beacon_interval;
1096  * u16 capability;
1097  * u8 current_ap[ETH_ALEN];
1098  * u16 listen_interval;
1099  * struct {
1100  *   u16 association_id:14, reserved:2;
1101  * } __packed;
1102  * u32 time_stamp[2];
1103  * u16 reason;
1104  * u16 status;
1105  */
1106
1107 #define RTLLIB_DEFAULT_TX_ESSID "Penguin"
1108 #define RTLLIB_DEFAULT_BASIC_RATE 2
1109
1110 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
1111 #define MAX_SP_Len  (WMM_all_frame << 4)
1112 #define RTLLIB_QOS_TID 0x0f
1113 #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)
1114
1115 #define RTLLIB_DTIM_MBCAST 4
1116 #define RTLLIB_DTIM_UCAST 2
1117 #define RTLLIB_DTIM_VALID 1
1118 #define RTLLIB_DTIM_INVALID 0
1119
1120 #define RTLLIB_PS_DISABLED 0
1121 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
1122 #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST
1123
1124 #define WME_AC_BK   0x00
1125 #define WME_AC_BE   0x01
1126 #define WME_AC_VI   0x02
1127 #define WME_AC_VO   0x03
1128 #define WME_AC_PRAM_LEN 16
1129
1130 #define MAX_RECEIVE_BUFFER_SIZE 9100
1131
1132 #define UP2AC(up) (                \
1133         ((up) < 1) ? WME_AC_BE : \
1134         ((up) < 3) ? WME_AC_BK : \
1135         ((up) < 4) ? WME_AC_BE : \
1136         ((up) < 6) ? WME_AC_VI : \
1137         WME_AC_VO)
1138
1139 #define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
1140 #define ETHERNET_HEADER_SIZE    14      /* length of two Ethernet address
1141                                          * plus ether type*/
1142
1143 enum erp_t {
1144         ERP_NonERPpresent       = 0x01,
1145         ERP_UseProtection       = 0x02,
1146         ERP_BarkerPreambleMode = 0x04,
1147 };
1148
1149 struct rtllib_network {
1150         /* These entries are used to identify a unique network */
1151         u8 bssid[ETH_ALEN];
1152         u8 channel;
1153         /* Ensure null-terminated for any debug msgs */
1154         u8 ssid[IW_ESSID_MAX_SIZE + 1];
1155         u8 ssid_len;
1156         u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
1157         u8 hidden_ssid_len;
1158         struct rtllib_qos_data qos_data;
1159
1160         bool    bWithAironetIE;
1161         bool    bCkipSupported;
1162         bool    bCcxRmEnable;
1163         u16     CcxRmState[2];
1164         bool    bMBssidValid;
1165         u8      MBssidMask;
1166         u8      MBssid[ETH_ALEN];
1167         bool    bWithCcxVerNum;
1168         u8      BssCcxVerNumber;
1169         /* These are network statistics */
1170         struct rtllib_rx_stats stats;
1171         u16 capability;
1172         u8  rates[MAX_RATES_LENGTH];
1173         u8  rates_len;
1174         u8  rates_ex[MAX_RATES_EX_LENGTH];
1175         u8  rates_ex_len;
1176         unsigned long last_scanned;
1177         u8  mode;
1178         u32 flags;
1179         u32 time_stamp[2];
1180         u16 beacon_interval;
1181         u16 listen_interval;
1182         u16 atim_window;
1183         u8  erp_value;
1184         u8  wpa_ie[MAX_WPA_IE_LEN];
1185         size_t wpa_ie_len;
1186         u8  rsn_ie[MAX_WPA_IE_LEN];
1187         size_t rsn_ie_len;
1188         u8  wzc_ie[MAX_WZC_IE_LEN];
1189         size_t wzc_ie_len;
1190
1191         struct rtllib_tim_parameters tim;
1192         u8  dtim_period;
1193         u8  dtim_data;
1194         u64 last_dtim_sta_time;
1195
1196         u8 wmm_info;
1197         struct rtllib_wmm_ac_param wmm_param[4];
1198         u8 Turbo_Enable;
1199         u16 CountryIeLen;
1200         u8 CountryIeBuf[MAX_IE_LEN];
1201         struct bss_ht bssht;
1202         bool broadcom_cap_exist;
1203         bool realtek_cap_exit;
1204         bool marvell_cap_exist;
1205         bool ralink_cap_exist;
1206         bool atheros_cap_exist;
1207         bool cisco_cap_exist;
1208         bool airgo_cap_exist;
1209         bool unknown_cap_exist;
1210         bool    berp_info_valid;
1211         bool buseprotection;
1212         u8 SignalStrength;
1213         u8 RSSI;
1214         struct list_head list;
1215 };
1216
1217 enum rtllib_state {
1218
1219         /* the card is not linked at all */
1220         RTLLIB_NOLINK = 0,
1221
1222         /* RTLLIB_ASSOCIATING* are for BSS client mode
1223          * the driver shall not perform RX filtering unless
1224          * the state is LINKED.
1225          * The driver shall just check for the state LINKED and
1226          * defaults to NOLINK for ALL the other states (including
1227          * LINKED_SCANNING)
1228          */
1229
1230         /* the association procedure will start (wq scheduling)*/
1231         RTLLIB_ASSOCIATING,
1232         RTLLIB_ASSOCIATING_RETRY,
1233
1234         /* the association procedure is sending AUTH request*/
1235         RTLLIB_ASSOCIATING_AUTHENTICATING,
1236
1237         /* the association procedure has successfully authenticated
1238          * and is sending association request
1239          */
1240         RTLLIB_ASSOCIATING_AUTHENTICATED,
1241
1242         /* the link is ok. the card associated to a BSS or linked
1243          * to a ibss cell or acting as an AP and creating the bss
1244          */
1245         RTLLIB_LINKED,
1246
1247         /* same as LINKED, but the driver shall apply RX filter
1248          * rules as we are in NO_LINK mode. As the card is still
1249          * logically linked, but it is doing a syncro site survey
1250          * then it will be back to LINKED state.
1251          */
1252         RTLLIB_LINKED_SCANNING,
1253 };
1254
1255 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
1256 #define DEFAULT_FTS 2346
1257
1258 #define CFG_RTLLIB_RESERVE_FCS (1<<0)
1259 #define CFG_RTLLIB_COMPUTE_FCS (1<<1)
1260
1261 struct tx_pending {
1262         int frag;
1263         struct rtllib_txb *txb;
1264 };
1265
1266 struct bandwidth_autoswitch {
1267         long threshold_20Mhzto40Mhz;
1268         long    threshold_40Mhzto20Mhz;
1269         bool bforced_tx20Mhz;
1270         bool bautoswitch_enable;
1271 };
1272
1273
1274
1275 #define REORDER_WIN_SIZE        128
1276 #define REORDER_ENTRY_NUM       128
1277 struct rx_reorder_entry {
1278         struct list_head        List;
1279         u16                     SeqNum;
1280         struct rtllib_rxb *prxb;
1281 };
1282 enum fsync_state {
1283         Default_Fsync,
1284         HW_Fsync,
1285         SW_Fsync
1286 };
1287
1288 enum rt_ps_mode {
1289         eActive,
1290         eMaxPs,
1291         eFastPs,
1292         eAutoPs,
1293 };
1294
1295 enum ips_callback_function {
1296         IPS_CALLBACK_NONE = 0,
1297         IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
1298         IPS_CALLBACK_JOIN_REQUEST = 2,
1299 };
1300
1301 enum rt_rf_power_state {
1302         eRfOn,
1303         eRfSleep,
1304         eRfOff
1305 };
1306
1307 struct rt_pwr_save_ctrl {
1308
1309         bool                            bInactivePs;
1310         bool                            bIPSModeBackup;
1311         bool                            bSwRfProcessing;
1312         enum rt_rf_power_state eInactivePowerState;
1313         enum ips_callback_function ReturnPoint;
1314
1315         bool                            bLeisurePs;
1316         u8                              LpsIdleCount;
1317         u8                              RegMaxLPSAwakeIntvl;
1318         u8                              LPSAwakeIntvl;
1319
1320         u32                             CurPsLevel;
1321         u32                             RegRfPsLevel;
1322
1323         bool                            bFwCtrlLPS;
1324
1325 };
1326
1327 #define RT_RF_CHANGE_SOURCE u32
1328
1329 #define RF_CHANGE_BY_SW BIT31
1330 #define RF_CHANGE_BY_HW BIT30
1331 #define RF_CHANGE_BY_PS BIT29
1332 #define RF_CHANGE_BY_IPS BIT28
1333 #define RF_CHANGE_BY_INIT       0
1334
1335 enum country_code_type {
1336         COUNTRY_CODE_FCC = 0,
1337         COUNTRY_CODE_IC = 1,
1338         COUNTRY_CODE_ETSI = 2,
1339         COUNTRY_CODE_SPAIN = 3,
1340         COUNTRY_CODE_FRANCE = 4,
1341         COUNTRY_CODE_MKK = 5,
1342         COUNTRY_CODE_MKK1 = 6,
1343         COUNTRY_CODE_ISRAEL = 7,
1344         COUNTRY_CODE_TELEC = 8,
1345         COUNTRY_CODE_MIC = 9,
1346         COUNTRY_CODE_GLOBAL_DOMAIN = 10,
1347         COUNTRY_CODE_WORLD_WIDE_13 = 11,
1348         COUNTRY_CODE_TELEC_NETGEAR = 12,
1349         COUNTRY_CODE_MAX
1350 };
1351
1352 enum scan_op_backup_opt {
1353         SCAN_OPT_BACKUP = 0,
1354         SCAN_OPT_RESTORE,
1355         SCAN_OPT_MAX
1356 };
1357
1358 enum fw_cmd_io_type {
1359         FW_CMD_DIG_ENABLE = 0,
1360         FW_CMD_DIG_DISABLE = 1,
1361         FW_CMD_DIG_HALT = 2,
1362         FW_CMD_DIG_RESUME = 3,
1363         FW_CMD_HIGH_PWR_ENABLE = 4,
1364         FW_CMD_HIGH_PWR_DISABLE = 5,
1365         FW_CMD_RA_RESET = 6,
1366         FW_CMD_RA_ACTIVE = 7,
1367         FW_CMD_RA_REFRESH_N = 8,
1368         FW_CMD_RA_REFRESH_BG = 9,
1369         FW_CMD_RA_INIT = 10,
1370         FW_CMD_IQK_ENABLE = 11,
1371         FW_CMD_TXPWR_TRACK_ENABLE = 12,
1372         FW_CMD_TXPWR_TRACK_DISABLE = 13,
1373         FW_CMD_TXPWR_TRACK_THERMAL = 14,
1374         FW_CMD_PAUSE_DM_BY_SCAN = 15,
1375         FW_CMD_RESUME_DM_BY_SCAN = 16,
1376         FW_CMD_RA_REFRESH_N_COMB = 17,
1377         FW_CMD_RA_REFRESH_BG_COMB = 18,
1378         FW_CMD_ANTENNA_SW_ENABLE = 19,
1379         FW_CMD_ANTENNA_SW_DISABLE = 20,
1380         FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
1381         FW_CMD_LPS_ENTER = 22,
1382         FW_CMD_LPS_LEAVE = 23,
1383 };
1384
1385 #define RT_MAX_LD_SLOT_NUM      10
1386 struct rt_link_detect {
1387
1388         u32                             NumRecvBcnInPeriod;
1389         u32                             NumRecvDataInPeriod;
1390
1391         u32                             RxBcnNum[RT_MAX_LD_SLOT_NUM];
1392         u32                             RxDataNum[RT_MAX_LD_SLOT_NUM];
1393         u16                             SlotNum;
1394         u16                             SlotIndex;
1395
1396         u32                             NumTxOkInPeriod;
1397         u32                             NumRxOkInPeriod;
1398         u32                             NumRxUnicastOkInPeriod;
1399         bool                            bBusyTraffic;
1400         bool                            bHigherBusyTraffic;
1401         bool                            bHigherBusyRxTraffic;
1402 };
1403
1404 struct sw_cam_table {
1405
1406         u8                              macaddr[ETH_ALEN];
1407         bool                            bused;
1408         u8                              key_buf[16];
1409         u16                             key_type;
1410         u8                              useDK;
1411         u8                              key_index;
1412
1413 };
1414 #define   TOTAL_CAM_ENTRY                               32
1415 struct rate_adaptive {
1416         u8                              rate_adaptive_disabled;
1417         u8                              ratr_state;
1418         u16                             reserve;
1419
1420         u32                             high_rssi_thresh_for_ra;
1421         u32                             high2low_rssi_thresh_for_ra;
1422         u8                              low2high_rssi_thresh_for_ra40M;
1423         u32                             low_rssi_thresh_for_ra40M;
1424         u8                              low2high_rssi_thresh_for_ra20M;
1425         u32                             low_rssi_thresh_for_ra20M;
1426         u32                             upper_rssi_threshold_ratr;
1427         u32                             middle_rssi_threshold_ratr;
1428         u32                             low_rssi_threshold_ratr;
1429         u32                             low_rssi_threshold_ratr_40M;
1430         u32                             low_rssi_threshold_ratr_20M;
1431         u8                              ping_rssi_enable;
1432         u32                             ping_rssi_ratr;
1433         u32                             ping_rssi_thresh_for_ra;
1434         u32                             last_ratr;
1435         u8                              PreRATRState;
1436
1437 };
1438
1439 #define NUM_PMKID_CACHE         16
1440 struct rt_pmkid_list {
1441         u8 Bssid[ETH_ALEN];
1442         u8 PMKID[16];
1443         u8 SsidBuf[33];
1444         u8 bUsed;
1445 };
1446
1447 struct rt_intel_promisc_mode {
1448         bool bPromiscuousOn;
1449         bool bFilterSourceStationFrame;
1450 };
1451
1452
1453 /*************** DRIVER STATUS   *****/
1454 #define STATUS_SCANNING                 0
1455 /*************** DRIVER STATUS   *****/
1456
1457 enum {
1458         LPS_IS_WAKE = 0,
1459         LPS_IS_SLEEP = 1,
1460         LPS_WAIT_NULL_DATA_SEND = 2,
1461 };
1462
1463 struct rtllib_device {
1464         struct pci_dev *pdev;
1465         struct net_device *dev;
1466         struct rtllib_security sec;
1467
1468         bool disable_mgnt_queue;
1469
1470         unsigned long status;
1471         u8      CntAfterLink;
1472
1473         enum rt_op_mode OpMode;
1474
1475         /* The last AssocReq/Resp IEs */
1476         u8 *assocreq_ies, *assocresp_ies;
1477         size_t assocreq_ies_len, assocresp_ies_len;
1478
1479         bool    bForcedBgMode;
1480         u8 RF_Type;
1481
1482         u8 hwsec_active;
1483         bool is_silent_reset;
1484         bool is_roaming;
1485         bool ieee_up;
1486         bool cannot_notify;
1487         bool bSupportRemoteWakeUp;
1488         bool actscanning;
1489         bool FirstIe_InScan;
1490         bool be_scan_inprogress;
1491         bool beinretry;
1492         enum rt_rf_power_state eRFPowerState;
1493         RT_RF_CHANGE_SOURCE     RfOffReason;
1494         bool is_set_key;
1495         bool wx_set_enc;
1496         struct rt_hi_throughput *pHTInfo;
1497
1498         spinlock_t reorder_spinlock;
1499         u8      Regdot11HTOperationalRateSet[16];
1500         u8      Regdot11TxHTOperationalRateSet[16];
1501         u8      dot11HTOperationalRateSet[16];
1502         u8      RegHTSuppRateSet[16];
1503         u8      HTCurrentOperaRate;
1504         u8      HTHighestOperaRate;
1505         u8      bTxDisableRateFallBack;
1506         u8      bTxUseDriverAssingedRate;
1507         u8      bTxEnableFwCalcDur;
1508         atomic_t        atm_swbw;
1509
1510         struct list_head                Tx_TS_Admit_List;
1511         struct list_head                Tx_TS_Pending_List;
1512         struct list_head                Tx_TS_Unused_List;
1513         struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
1514         struct list_head                Rx_TS_Admit_List;
1515         struct list_head                Rx_TS_Pending_List;
1516         struct list_head                Rx_TS_Unused_List;
1517         struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
1518         struct rx_reorder_entry RxReorderEntry[128];
1519         struct list_head                RxReorder_Unused_List;
1520
1521
1522         /* Bookkeeping structures */
1523         struct net_device_stats stats;
1524         struct rtllib_softmac_stats softmac_stats;
1525
1526         /* Probe / Beacon management */
1527         struct list_head network_free_list;
1528         struct list_head network_list;
1529         struct rtllib_network *networks;
1530         int scans;
1531         int scan_age;
1532
1533         int iw_mode; /* operating mode (IW_MODE_*) */
1534         bool bNetPromiscuousMode;
1535         struct rt_intel_promisc_mode IntelPromiscuousModeInfo;
1536
1537         spinlock_t lock;
1538         spinlock_t wpax_suitlist_lock;
1539
1540         int tx_headroom; /* Set to size of any additional room needed at front
1541                           * of allocated Tx SKBs
1542                           */
1543         u32 config;
1544
1545         /* WEP and other encryption related settings at the device level */
1546         int open_wep; /* Set to 1 to allow unencrypted frames */
1547         int auth_mode;
1548         int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
1549                                  * WEP key changes
1550                                  */
1551
1552         /* If the host performs {en,de}cryption, then set to 1 */
1553         int host_encrypt;
1554         int host_decrypt;
1555
1556         int ieee802_1x; /* is IEEE 802.1X used */
1557
1558         /* WPA data */
1559         bool bHalfWirelessN24GMode;
1560         int wpa_enabled;
1561         int drop_unencrypted;
1562         int tkip_countermeasures;
1563         int privacy_invoked;
1564         size_t wpa_ie_len;
1565         u8 *wpa_ie;
1566         size_t wps_ie_len;
1567         u8 *wps_ie;
1568         u8 ap_mac_addr[ETH_ALEN];
1569         u16 pairwise_key_type;
1570         u16 group_key_type;
1571
1572         struct lib80211_crypt_info crypt_info;
1573
1574         struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
1575
1576         struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
1577
1578         /* Fragmentation structures */
1579         struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
1580         unsigned int frag_next_idx[17];
1581         u16 fts; /* Fragmentation Threshold */
1582 #define DEFAULT_RTS_THRESHOLD 2346U
1583 #define MIN_RTS_THRESHOLD 1
1584 #define MAX_RTS_THRESHOLD 2346U
1585         u16 rts; /* RTS threshold */
1586
1587         /* Association info */
1588         u8 bssid[ETH_ALEN];
1589
1590         /* This stores infos for the current network.
1591          * Either the network we are associated in INFRASTRUCTURE
1592          * or the network that we are creating in MASTER mode.
1593          * ad-hoc is a mixture ;-).
1594          * Note that in infrastructure mode, even when not associated,
1595          * fields bssid and essid may be valid (if wpa_set and essid_set
1596          * are true) as thy carry the value set by the user via iwconfig
1597          */
1598         struct rtllib_network current_network;
1599
1600         enum rtllib_state state;
1601
1602         int short_slot;
1603         int mode;       /* A, B, G */
1604         int modulation; /* CCK, OFDM */
1605
1606         /* used for forcing the ibss workqueue to terminate
1607          * without wait for the syncro scan to terminate
1608          */
1609         short sync_scan_hurryup;
1610         u16 scan_watch_dog;
1611
1612         /* map of allowed channels. 0 is dummy */
1613         void *pDot11dInfo;
1614         bool bGlobalDomain;
1615         u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
1616
1617         u8   IbssStartChnl;
1618         u8   ibss_maxjoin_chal;
1619
1620         int rate;       /* current rate */
1621         int basic_rate;
1622
1623         short active_scan;
1624
1625         /* this contains flags for selectively enable softmac support */
1626         u16 softmac_features;
1627
1628         /* if the sequence control field is not filled by HW */
1629         u16 seq_ctrl[5];
1630
1631         /* association procedure transaction sequence number */
1632         u16 associate_seq;
1633
1634         /* AID for RTXed association responses */
1635         u16 assoc_id;
1636
1637         /* power save mode related*/
1638         u8 ack_tx_to_ieee;
1639         short ps;
1640         short sta_sleep;
1641         int ps_timeout;
1642         int ps_period;
1643         struct tasklet_struct ps_task;
1644         u64 ps_time;
1645         bool polling;
1646
1647         short raw_tx;
1648         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1649         short queue_stop;
1650         short scanning_continue;
1651         short proto_started;
1652         short proto_stoppping;
1653
1654         struct semaphore wx_sem;
1655         struct semaphore scan_sem;
1656         struct semaphore ips_sem;
1657
1658         spinlock_t mgmt_tx_lock;
1659         spinlock_t beacon_lock;
1660
1661         short beacon_txing;
1662
1663         short wap_set;
1664         short ssid_set;
1665
1666         /* set on initialization */
1667         unsigned int wmm_acm;
1668
1669         /* for discarding duplicated packets in IBSS */
1670         struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];
1671
1672         /* for discarding duplicated packets in BSS */
1673         u16 last_rxseq_num[17]; /* rx seq previous per-tid */
1674         u16 last_rxfrag_num[17];/* tx frag previous per-tid */
1675         unsigned long last_packet_time[17];
1676
1677         /* for PS mode */
1678         unsigned long last_rx_ps_time;
1679         bool                    bAwakePktSent;
1680         u8                      LPSDelayCnt;
1681
1682         /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
1683         struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
1684         int mgmt_queue_head;
1685         int mgmt_queue_tail;
1686         u8 AsocRetryCount;
1687         struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
1688         struct sk_buff_head  skb_aggQ[MAX_QUEUE_SIZE];
1689
1690         bool    bdynamic_txpower_enable;
1691
1692         bool bCTSToSelfEnable;
1693
1694         u32     fsync_time_interval;
1695         u32     fsync_rate_bitmap;
1696         u8      fsync_rssi_threshold;
1697         bool    bfsync_enable;
1698
1699         u8      fsync_multiple_timeinterval;
1700         u32     fsync_firstdiff_ratethreshold;
1701         u32     fsync_seconddiff_ratethreshold;
1702         enum fsync_state fsync_state;
1703         bool            bis_any_nonbepkts;
1704         struct bandwidth_autoswitch bandwidth_auto_switch;
1705         bool FwRWRF;
1706
1707         struct rt_link_detect LinkDetectInfo;
1708         bool bIsAggregateFrame;
1709         struct rt_pwr_save_ctrl PowerSaveControl;
1710
1711         /* used if IEEE_SOFTMAC_TX_QUEUE is set */
1712         struct tx_pending tx_pending;
1713
1714         /* used if IEEE_SOFTMAC_ASSOCIATE is set */
1715         struct timer_list associate_timer;
1716
1717         /* used if IEEE_SOFTMAC_BEACONS is set */
1718         struct timer_list beacon_timer;
1719         u8 need_sw_enc;
1720         struct work_struct associate_complete_wq;
1721         struct work_struct ips_leave_wq;
1722         struct delayed_work associate_procedure_wq;
1723         struct delayed_work softmac_scan_wq;
1724         struct delayed_work associate_retry_wq;
1725         struct delayed_work start_ibss_wq;
1726         struct delayed_work hw_wakeup_wq;
1727         struct delayed_work hw_sleep_wq;
1728         struct delayed_work link_change_wq;
1729         struct work_struct wx_sync_scan_wq;
1730
1731         struct workqueue_struct *wq;
1732         union {
1733                 struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
1734                 struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
1735                 struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
1736                 struct {
1737                         struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
1738                         struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
1739                         struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
1740                 };
1741         };
1742
1743         /* Callback functions */
1744         void (*set_security)(struct net_device *dev,
1745                              struct rtllib_security *sec);
1746
1747         /* Used to TX data frame by using txb structs.
1748          * this is not used if in the softmac_features
1749          * is set the flag IEEE_SOFTMAC_TX_QUEUE
1750          */
1751         int (*hard_start_xmit)(struct rtllib_txb *txb,
1752                                struct net_device *dev);
1753
1754         int (*reset_port)(struct net_device *dev);
1755
1756         /* Softmac-generated frames (management) are TXed via this
1757          * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
1758          * not set. As some cards may have different HW queues that
1759          * one might want to use for data and management frames
1760          * the option to have two callbacks might be useful.
1761          * This function can't sleep.
1762          */
1763         int (*softmac_hard_start_xmit)(struct sk_buff *skb,
1764                                struct net_device *dev);
1765
1766         /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
1767          * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
1768          * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
1769          * then also management frames are sent via this callback.
1770          * This function can't sleep.
1771          */
1772         void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
1773                                struct net_device *dev, int rate);
1774
1775         /* stops the HW queue for DATA frames. Useful to avoid
1776          * waste time to TX data frame when we are reassociating
1777          * This function can sleep.
1778          */
1779         void (*data_hard_stop)(struct net_device *dev);
1780
1781         /* OK this is complementing to data_poll_hard_stop */
1782         void (*data_hard_resume)(struct net_device *dev);
1783
1784         /* ask to the driver to retune the radio.
1785          * This function can sleep. the driver should ensure
1786          * the radio has been switched before return.
1787          */
1788         void (*set_chan)(struct net_device *dev, short ch);
1789
1790         void (*rtllib_start_hw_scan)(struct net_device *dev);
1791         void (*rtllib_stop_hw_scan)(struct net_device *dev);
1792
1793         /* indicate the driver that the link state is changed
1794          * for example it may indicate the card is associated now.
1795          * Driver might be interested in this to apply RX filter
1796          * rules or simply light the LINK led
1797          */
1798         void (*link_change)(struct net_device *dev);
1799
1800         /* these two function indicates to the HW when to start
1801          * and stop to send beacons. This is used when the
1802          * IEEE_SOFTMAC_BEACONS is not set. For now the
1803          * stop_send_bacons is NOT guaranteed to be called only
1804          * after start_send_beacons.
1805          */
1806         void (*start_send_beacons)(struct net_device *dev);
1807         void (*stop_send_beacons)(struct net_device *dev);
1808
1809         /* power save mode related */
1810         void (*sta_wake_up)(struct net_device *dev);
1811         void (*enter_sleep_state)(struct net_device *dev, u64 time);
1812         short (*ps_is_queue_empty)(struct net_device *dev);
1813         int (*handle_beacon)(struct net_device *dev,
1814                              struct rtllib_beacon *beacon,
1815                              struct rtllib_network *network);
1816         int (*handle_assoc_response)(struct net_device *dev,
1817                                      struct rtllib_assoc_response_frame *resp,
1818                                      struct rtllib_network *network);
1819
1820
1821         /* check whether Tx hw resource available */
1822         short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
1823         void (*SetBWModeHandler)(struct net_device *dev,
1824                                  enum ht_channel_width Bandwidth,
1825                                  enum ht_extchnl_offset Offset);
1826         bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
1827         void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
1828         bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
1829         u8   (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
1830         void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
1831         bool (*SetFwCmdHandler)(struct net_device *dev,
1832                                 enum fw_cmd_io_type FwCmdIO);
1833         void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
1834                                              bool start);
1835         void (*ScanOperationBackupHandler)(struct net_device *dev,
1836                                            u8 Operation);
1837         void (*LedControlHandler)(struct net_device *dev,
1838                                   enum led_ctl_mode LedAction);
1839         void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
1840
1841         void (*AllowAllDestAddrHandler)(struct net_device *dev,
1842                                         bool bAllowAllDA, bool WriteIntoReg);
1843
1844         void (*rtllib_ips_leave_wq)(struct net_device *dev);
1845         void (*rtllib_ips_leave)(struct net_device *dev);
1846         void (*LeisurePSLeave)(struct net_device *dev);
1847
1848         /* This must be the last item so that it points to the data
1849          * allocated beyond this structure by alloc_rtllib
1850          */
1851         u8 priv[0];
1852 };
1853
1854 #define IEEE_A      (1<<0)
1855 #define IEEE_B      (1<<1)
1856 #define IEEE_G      (1<<2)
1857 #define IEEE_N_24G                (1<<4)
1858 #define IEEE_N_5G                 (1<<5)
1859 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
1860
1861 /* Generate a 802.11 header */
1862
1863 /* Uses the channel change callback directly
1864  * instead of [start/stop] scan callbacks
1865  */
1866 #define IEEE_SOFTMAC_SCAN (1<<2)
1867
1868 /* Perform authentication and association handshake */
1869 #define IEEE_SOFTMAC_ASSOCIATE (1<<3)
1870
1871 /* Generate probe requests */
1872 #define IEEE_SOFTMAC_PROBERQ (1<<4)
1873
1874 /* Generate response to probe requests */
1875 #define IEEE_SOFTMAC_PROBERS (1<<5)
1876
1877 /* The ieee802.11 stack will manage the netif queue
1878  * wake/stop for the driver, taking care of 802.11
1879  * fragmentation. See softmac.c for details.
1880  */
1881 #define IEEE_SOFTMAC_TX_QUEUE (1<<7)
1882
1883 /* Uses only the softmac_data_hard_start_xmit
1884  * even for TX management frames.
1885  */
1886 #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
1887
1888 /* Generate beacons.  The stack will enqueue beacons
1889  * to the card
1890  */
1891 #define IEEE_SOFTMAC_BEACONS (1<<6)
1892
1893
1894 static inline void *rtllib_priv(struct net_device *dev)
1895 {
1896         return ((struct rtllib_device *)netdev_priv(dev))->priv;
1897 }
1898
1899 static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
1900 {
1901         /* Single white space is for Linksys APs */
1902         if (essid_len == 1 && essid[0] == ' ')
1903                 return 1;
1904
1905         /* Otherwise, if the entire essid is 0, we assume it is hidden */
1906         while (essid_len) {
1907                 essid_len--;
1908                 if (essid[essid_len] != '\0')
1909                         return 0;
1910         }
1911
1912         return 1;
1913 }
1914
1915 static inline int rtllib_get_hdrlen(u16 fc)
1916 {
1917         int hdrlen = RTLLIB_3ADDR_LEN;
1918
1919         switch (WLAN_FC_GET_TYPE(fc)) {
1920         case RTLLIB_FTYPE_DATA:
1921                 if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
1922                         hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
1923                 if (RTLLIB_QOS_HAS_SEQ(fc))
1924                         hdrlen += 2; /* QOS ctrl*/
1925                 break;
1926         case RTLLIB_FTYPE_CTL:
1927                 switch (WLAN_FC_GET_STYPE(fc)) {
1928                 case RTLLIB_STYPE_CTS:
1929                 case RTLLIB_STYPE_ACK:
1930                         hdrlen = RTLLIB_1ADDR_LEN;
1931                         break;
1932                 default:
1933                         hdrlen = RTLLIB_2ADDR_LEN;
1934                         break;
1935                 }
1936                 break;
1937         }
1938
1939         return hdrlen;
1940 }
1941
1942 static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
1943 {
1944         switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1945         case RTLLIB_1ADDR_LEN:
1946                 return ((struct rtllib_hdr_1addr *)hdr)->payload;
1947         case RTLLIB_2ADDR_LEN:
1948                 return ((struct rtllib_hdr_2addr *)hdr)->payload;
1949         case RTLLIB_3ADDR_LEN:
1950                 return ((struct rtllib_hdr_3addr *)hdr)->payload;
1951         case RTLLIB_4ADDR_LEN:
1952                 return ((struct rtllib_hdr_4addr *)hdr)->payload;
1953         }
1954         return NULL;
1955 }
1956
1957 static inline int rtllib_is_ofdm_rate(u8 rate)
1958 {
1959         switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1960         case RTLLIB_OFDM_RATE_6MB:
1961         case RTLLIB_OFDM_RATE_9MB:
1962         case RTLLIB_OFDM_RATE_12MB:
1963         case RTLLIB_OFDM_RATE_18MB:
1964         case RTLLIB_OFDM_RATE_24MB:
1965         case RTLLIB_OFDM_RATE_36MB:
1966         case RTLLIB_OFDM_RATE_48MB:
1967         case RTLLIB_OFDM_RATE_54MB:
1968                 return 1;
1969         }
1970         return 0;
1971 }
1972
1973 static inline int rtllib_is_cck_rate(u8 rate)
1974 {
1975         switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
1976         case RTLLIB_CCK_RATE_1MB:
1977         case RTLLIB_CCK_RATE_2MB:
1978         case RTLLIB_CCK_RATE_5MB:
1979         case RTLLIB_CCK_RATE_11MB:
1980                 return 1;
1981         }
1982         return 0;
1983 }
1984
1985
1986 /* rtllib.c */
1987 void free_rtllib(struct net_device *dev);
1988 struct net_device *alloc_rtllib(int sizeof_priv);
1989
1990 /* rtllib_tx.c */
1991
1992 int rtllib_encrypt_fragment(
1993         struct rtllib_device *ieee,
1994         struct sk_buff *frag,
1995         int hdr_len);
1996
1997 int rtllib_xmit(struct sk_buff *skb,  struct net_device *dev);
1998 void rtllib_txb_free(struct rtllib_txb *);
1999
2000 /* rtllib_rx.c */
2001 int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
2002               struct rtllib_rx_stats *rx_stats);
2003 void rtllib_rx_probe_rq(struct rtllib_device *ieee,
2004                         struct sk_buff *skb);
2005 int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);
2006
2007 /* rtllib_wx.c */
2008 int rtllib_wx_get_scan(struct rtllib_device *ieee,
2009                        struct iw_request_info *info,
2010                        union iwreq_data *wrqu, char *key);
2011 int rtllib_wx_set_encode(struct rtllib_device *ieee,
2012                          struct iw_request_info *info,
2013                          union iwreq_data *wrqu, char *key);
2014 int rtllib_wx_get_encode(struct rtllib_device *ieee,
2015                          struct iw_request_info *info,
2016                          union iwreq_data *wrqu, char *key);
2017 int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
2018                              struct iw_request_info *info,
2019                              union iwreq_data *wrqu, char *extra);
2020 int rtllib_wx_set_auth(struct rtllib_device *ieee,
2021                        struct iw_request_info *info,
2022                        struct iw_param *data, char *extra);
2023 int rtllib_wx_set_mlme(struct rtllib_device *ieee,
2024                        struct iw_request_info *info,
2025                        union iwreq_data *wrqu, char *extra);
2026 int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);
2027
2028 /* rtllib_softmac.c */
2029 int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
2030                             struct rtllib_rx_stats *rx_stats, u16 type,
2031                             u16 stype);
2032 void rtllib_softmac_new_net(struct rtllib_device *ieee,
2033                             struct rtllib_network *net);
2034
2035 void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
2036 void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
2037
2038 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2039 void notify_wx_assoc_event(struct rtllib_device *ieee);
2040 void rtllib_start_ibss(struct rtllib_device *ieee);
2041 void rtllib_softmac_init(struct rtllib_device *ieee);
2042 void rtllib_softmac_free(struct rtllib_device *ieee);
2043 void rtllib_disassociate(struct rtllib_device *ieee);
2044 void rtllib_stop_scan(struct rtllib_device *ieee);
2045 bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
2046 void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
2047 void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
2048 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);
2049 void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
2050 void rtllib_start_protocol(struct rtllib_device *ieee);
2051 void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);
2052
2053 void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState);
2054 void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState);
2055 void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState);
2056 void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
2057                                         bool bInitState);
2058 void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
2059                                   u8 mesh_flag, u8 shutdown);
2060 void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag);
2061
2062 void rtllib_reset_queue(struct rtllib_device *ieee);
2063 void rtllib_wake_all_queues(struct rtllib_device *ieee);
2064 void rtllib_stop_all_queues(struct rtllib_device *ieee);
2065 struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
2066 void rtllib_start_send_beacons(struct rtllib_device *ieee);
2067 void rtllib_stop_send_beacons(struct rtllib_device *ieee);
2068 int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee,
2069                                 struct iw_point *p, u8 is_mesh);
2070
2071 void notify_wx_assoc_event(struct rtllib_device *ieee);
2072 void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);
2073
2074 void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);
2075 u8 rtllib_ap_sec_type(struct rtllib_device *ieee);
2076
2077 /* rtllib_softmac_wx.c */
2078
2079 int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2080                       union iwreq_data *wrqu, char *ext);
2081
2082 int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,
2083                       union iwreq_data *awrq, char *extra);
2084
2085 int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2086                         union iwreq_data *wrqu, char *b);
2087
2088 int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2089                        union iwreq_data *wrqu, char *extra);
2090
2091 int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,
2092                        union iwreq_data *wrqu, char *extra);
2093
2094 int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2095                        union iwreq_data *wrqu, char *b);
2096
2097 int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
2098                        union iwreq_data *wrqu, char *b);
2099
2100 int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,
2101                         union iwreq_data *wrqu, char *extra);
2102
2103 int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
2104                        union iwreq_data *wrqu, char *b);
2105
2106 int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2107                        union iwreq_data *wrqu, char *b);
2108
2109 int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,
2110                        union iwreq_data *wrqu, char *b);
2111 void rtllib_wx_sync_scan_wq(void *data);
2112
2113 int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
2114                         struct iw_request_info *info,
2115                         union iwreq_data *wrqu, char *extra);
2116
2117 int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
2118                        union iwreq_data *wrqu, char *extra);
2119
2120 int rtllib_wx_set_power(struct rtllib_device *ieee,
2121                         struct iw_request_info *info,
2122                         union iwreq_data *wrqu, char *extra);
2123
2124 int rtllib_wx_get_power(struct rtllib_device *ieee,
2125                         struct iw_request_info *info,
2126                         union iwreq_data *wrqu, char *extra);
2127
2128 int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2129                       union iwreq_data *wrqu, char *extra);
2130
2131 int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,
2132                       union iwreq_data *wrqu, char *extra);
2133 #define MAX_RECEIVE_BUFFER_SIZE 9100
2134
2135 void HTSetConnectBwMode(struct rtllib_device *ieee,
2136                         enum ht_channel_width Bandwidth,
2137                         enum ht_extchnl_offset Offset);
2138 void HTUpdateDefaultSetting(struct rtllib_device *ieee);
2139 void HTConstructCapabilityElement(struct rtllib_device *ieee,
2140                                   u8 *posHTCap, u8 *len,
2141                                   u8 isEncrypt, bool bAssoc);
2142 void HTConstructInfoElement(struct rtllib_device *ieee,
2143                             u8 *posHTInfo, u8 *len, u8 isEncrypt);
2144 void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
2145                                 u8 *posRT2RTAgg, u8 *len);
2146 void HTOnAssocRsp(struct rtllib_device *ieee);
2147 void HTInitializeHTInfo(struct rtllib_device *ieee);
2148 void HTInitializeBssDesc(struct bss_ht *pBssHT);
2149 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
2150                                    struct rtllib_network *pNetwork);
2151 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
2152                                      struct rtllib_network *pNetwork);
2153 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
2154                        u8 *pMCSFilter);
2155 extern u8 MCS_FILTER_ALL[];
2156 extern u16 MCS_DATA_RATE[2][2][77];
2157 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
2158 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
2159 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
2160 u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
2161 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
2162 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
2163 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
2164 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
2165                  u8 Policy, u8 bOverwritePending);
2166 void TsInitDelBA(struct rtllib_device *ieee,
2167                  struct ts_common_info *pTsCommonInfo,
2168                  enum tr_select TxRxSelect);
2169 void BaSetupTimeOut(unsigned long data);
2170 void TxBaInactTimeout(unsigned long data);
2171 void RxBaInactTimeout(unsigned long data);
2172 void ResetBaEntry(struct ba_record *pBA);
2173 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
2174            u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
2175 void TSInitialize(struct rtllib_device *ieee);
2176 void TsStartAddBaProcess(struct rtllib_device *ieee,
2177                          struct tx_ts_record *pTxTS);
2178 void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
2179 void RemoveAllTS(struct rtllib_device *ieee);
2180
2181 extern const long rtllib_wlan_frequencies[];
2182
2183 static inline const char *escape_essid(const char *essid, u8 essid_len)
2184 {
2185         static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
2186
2187         if (rtllib_is_empty_essid(essid, essid_len)) {
2188                 memcpy(escaped, "<hidden>", sizeof("<hidden>"));
2189                 return escaped;
2190         }
2191
2192         snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
2193         return escaped;
2194 }
2195
2196 /* fun with the built-in rtllib stack... */
2197 bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
2198
2199
2200 /* For the function is more related to hardware setting, it's better to use the
2201  * ieee handler to refer to it.
2202  */
2203 void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
2204                                  struct rx_ts_record *pTS);
2205 int rtllib_parse_info_param(struct rtllib_device *ieee,
2206                             struct rtllib_info_element *info_element,
2207                             u16 length,
2208                             struct rtllib_network *network,
2209                             struct rtllib_rx_stats *stats);
2210
2211 void rtllib_indicate_packets(struct rtllib_device *ieee,
2212                              struct rtllib_rxb **prxbIndicateArray, u8  index);
2213 void HTUseDefaultSetting(struct rtllib_device *ieee);
2214 #define RT_ASOC_RETRY_LIMIT     5
2215 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
2216 #define SEM_DOWN_IEEE_WX(psem) down(psem)
2217 #define SEM_UP_IEEE_WX(psem) up(psem)
2218
2219 #endif /* RTLLIB_H */