/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Merged with mainline rtllib.h in Aug 2004.  Original ieee802_11
 * remains copyright by the original authors
 *
 * Portions of the merged code are based on Host AP (software wireless
 * LAN access point) driver for Intersil Prism2/2.5/3.
 *
 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
 * <jkmaline@cc.hut.fi>
 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
 *
 * Adaption to a generic IEEE 802.11 stack by James Ketrenos
 * <jketreno@linux.intel.com>
 * Copyright (c) 2004, Intel Corporation
 *
 * Modified for Realtek's wi-fi cards by Andrea Merello
 * <andrea.merello@gmail.com>
 */
#ifndef RTLLIB_H
#define RTLLIB_H
#include <linux/if_ether.h> /* ETH_ALEN */
#include <linux/kernel.h>   /* ARRAY_SIZE */
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/sched.h>
#include <linux/mutex.h>

#include <linux/delay.h>
#include <linux/wireless.h>

#include "rtllib_debug.h"
#include "rtl819x_HT.h"
#include "rtl819x_BA.h"
#include "rtl819x_TS.h"

#include <linux/netdevice.h>
#include <linux/if_arp.h> /* ARPHRD_ETHER */
#include <net/lib80211.h>

#define MAX_PRECMD_CNT 16
#define MAX_RFDEPENDCMD_CNT 16
#define MAX_POSTCMD_CNT 16

#ifndef WIRELESS_SPY
#define WIRELESS_SPY
#endif
#include <net/iw_handler.h>

#ifndef IW_MODE_MONITOR
#define IW_MODE_MONITOR 6
#endif

#ifndef IWEVCUSTOM
#define IWEVCUSTOM 0x8c02
#endif

#ifndef IW_CUSTOM_MAX
/* Max number of char in custom event - use multiple of them if needed */
#define IW_CUSTOM_MAX   256     /* In bytes */
#endif

#define skb_tail_pointer_rsl(skb) skb_tail_pointer(skb)

#define queue_delayed_work_rsl(x, y, z) queue_delayed_work(x, y, z)
#define INIT_DELAYED_WORK_RSL(x, y, z) INIT_DELAYED_WORK(x, y)

#define queue_work_rsl(x, y) queue_work(x, y)
#define INIT_WORK_RSL(x, y, z) INIT_WORK(x, y)

#define container_of_work_rsl(x, y, z) container_of(x, y, z)
#define container_of_dwork_rsl(x, y, z)                         \
        container_of(to_delayed_work(x), y, z)

#define iwe_stream_add_event_rsl(info, start, stop, iwe, len)   \
        iwe_stream_add_event(info, start, stop, iwe, len)

#define iwe_stream_add_point_rsl(info, start, stop, iwe, p)     \
        iwe_stream_add_point(info, start, stop, iwe, p)

static inline void *netdev_priv_rsl(struct net_device *dev)
{
        return netdev_priv(dev);
}

#define KEY_TYPE_NA             0x0
#define KEY_TYPE_WEP40          0x1
#define KEY_TYPE_TKIP           0x2
#define KEY_TYPE_CCMP           0x4
#define KEY_TYPE_WEP104         0x5
/* added for rtl819x tx procedure */
#define MAX_QUEUE_SIZE          0x10

#define BK_QUEUE                               0
#define BE_QUEUE                               1
#define VI_QUEUE                               2
#define VO_QUEUE                               3
#define HCCA_QUEUE                           4
#define TXCMD_QUEUE                         5
#define MGNT_QUEUE                           6
#define HIGH_QUEUE                           7
#define BEACON_QUEUE                       8

#ifndef IW_MODE_MESH
#define IW_MODE_MESH                    7
#endif

#define IE_CISCO_FLAG_POSITION          0x08
#define SUPPORT_CKIP_MIC                        0x08
#define SUPPORT_CKIP_PK                 0x10
#define RT_RF_OFF_LEVL_HALT_NIC         BIT3
#define RT_IN_PS_LEVEL(pPSC, _PS_FLAG)          \
        ((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
#define RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG)       \
        (pPSC->CurPsLevel &= (~(_PS_FLAG)))
#define RT_SET_PS_LEVEL(pPSC, _PS_FLAG) (pPSC->CurPsLevel |= _PS_FLAG)

/* defined for skb cb field */
/* At most 28 byte */
struct cb_desc {
        /* Tx Desc Related flags (8-9) */
        u8 bLastIniPkt:1;
        u8 bCmdOrInit:1;
        u8 bFirstSeg:1;
        u8 bLastSeg:1;
        u8 bEncrypt:1;
        u8 bTxDisableRateFallBack:1;
        u8 bTxUseDriverAssingedRate:1;
        u8 bHwSec:1;

        u8 nStuckCount;

        /* Tx Firmware Related flags (10-11)*/
        u8 bCTSEnable:1;
        u8 bRTSEnable:1;
        u8 bUseShortGI:1;
        u8 bUseShortPreamble:1;
        u8 bTxEnableFwCalcDur:1;
        u8 bAMPDUEnable:1;
        u8 bRTSSTBC:1;
        u8 RTSSC:1;

        u8 bRTSBW:1;
        u8 bPacketBW:1;
        u8 bRTSUseShortPreamble:1;
        u8 bRTSUseShortGI:1;
        u8 bMulticast:1;
        u8 bBroadcast:1;
        u8 drv_agg_enable:1;
        u8 reserved2:1;

        /* Tx Desc related element(12-19) */
        u8 rata_index;
        u8 queue_index;
        u16 txbuf_size;
        u8 RATRIndex;
        u8 bAMSDU:1;
        u8 bFromAggrQ:1;
        u8 reserved6:6;
        u8 macId;
        u8 priority;

        /* Tx firmware related element(20-27) */
        u8 data_rate;
        u8 rts_rate;
        u8 ampdu_factor;
        u8 ampdu_density;
        u8 DrvAggrNum;
        u8 bdhcp;
        u16 pkt_size;
        u8 bIsSpecialDataFrame;

        u8 bBTTxPacket;
        u8 bIsBTProbRsp;
};

enum sw_chnl_cmd_id {
        CmdID_End,
        CmdID_SetTxPowerLevel,
        CmdID_BBRegWrite10,
        CmdID_WritePortUlong,
        CmdID_WritePortUshort,
        CmdID_WritePortUchar,
        CmdID_RF_WriteReg,
};

struct sw_chnl_cmd {
        enum sw_chnl_cmd_id CmdID;
        u32                     Para1;
        u32                     Para2;
        u32                     msDelay;
} __packed;

/*--------------------------Define -------------------------------------------*/
#define MGN_1M            0x02
#define MGN_2M            0x04
#define MGN_5_5M                0x0b
#define MGN_11M          0x16

#define MGN_6M            0x0c
#define MGN_9M            0x12
#define MGN_12M          0x18
#define MGN_18M          0x24
#define MGN_24M          0x30
#define MGN_36M          0x48
#define MGN_48M          0x60
#define MGN_54M          0x6c

#define MGN_MCS0                0x80
#define MGN_MCS1                0x81
#define MGN_MCS2                0x82
#define MGN_MCS3                0x83
#define MGN_MCS4                0x84
#define MGN_MCS5                0x85
#define MGN_MCS6                0x86
#define MGN_MCS7                0x87
#define MGN_MCS8                0x88
#define MGN_MCS9                0x89
#define MGN_MCS10              0x8a
#define MGN_MCS11              0x8b
#define MGN_MCS12              0x8c
#define MGN_MCS13              0x8d
#define MGN_MCS14              0x8e
#define MGN_MCS15              0x8f

enum hw_variables {
        HW_VAR_ETHER_ADDR,
        HW_VAR_MULTICAST_REG,
        HW_VAR_BASIC_RATE,
        HW_VAR_BSSID,
        HW_VAR_MEDIA_STATUS,
        HW_VAR_SECURITY_CONF,
        HW_VAR_BEACON_INTERVAL,
        HW_VAR_ATIM_WINDOW,
        HW_VAR_LISTEN_INTERVAL,
        HW_VAR_CS_COUNTER,
        HW_VAR_DEFAULTKEY0,
        HW_VAR_DEFAULTKEY1,
        HW_VAR_DEFAULTKEY2,
        HW_VAR_DEFAULTKEY3,
        HW_VAR_SIFS,
        HW_VAR_DIFS,
        HW_VAR_EIFS,
        HW_VAR_SLOT_TIME,
        HW_VAR_ACK_PREAMBLE,
        HW_VAR_CW_CONFIG,
        HW_VAR_CW_VALUES,
        HW_VAR_RATE_FALLBACK_CONTROL,
        HW_VAR_CONTENTION_WINDOW,
        HW_VAR_RETRY_COUNT,
        HW_VAR_TR_SWITCH,
        HW_VAR_COMMAND,
        HW_VAR_WPA_CONFIG,
        HW_VAR_AMPDU_MIN_SPACE,
        HW_VAR_SHORTGI_DENSITY,
        HW_VAR_AMPDU_FACTOR,
        HW_VAR_MCS_RATE_AVAILABLE,
        HW_VAR_AC_PARAM,
        HW_VAR_ACM_CTRL,
        HW_VAR_DIS_Req_Qsize,
        HW_VAR_CCX_CHNL_LOAD,
        HW_VAR_CCX_NOISE_HISTOGRAM,
        HW_VAR_CCX_CLM_NHM,
        HW_VAR_TxOPLimit,
        HW_VAR_TURBO_MODE,
        HW_VAR_RF_STATE,
        HW_VAR_RF_OFF_BY_HW,
        HW_VAR_BUS_SPEED,
        HW_VAR_SET_DEV_POWER,

        HW_VAR_RCR,
        HW_VAR_RATR_0,
        HW_VAR_RRSR,
        HW_VAR_CPU_RST,
        HW_VAR_CECHK_BSSID,
        HW_VAR_LBK_MODE,
        HW_VAR_AES_11N_FIX,
        HW_VAR_USB_RX_AGGR,
        HW_VAR_USER_CONTROL_TURBO_MODE,
        HW_VAR_RETRY_LIMIT,
        HW_VAR_INIT_TX_RATE,
        HW_VAR_TX_RATE_REG,
        HW_VAR_EFUSE_USAGE,
        HW_VAR_EFUSE_BYTES,
        HW_VAR_AUTOLOAD_STATUS,
        HW_VAR_RF_2R_DISABLE,
        HW_VAR_SET_RPWM,
        HW_VAR_H2C_FW_PWRMODE,
        HW_VAR_H2C_FW_JOINBSSRPT,
        HW_VAR_1X1_RECV_COMBINE,
        HW_VAR_STOP_SEND_BEACON,
        HW_VAR_TSF_TIMER,
        HW_VAR_IO_CMD,

        HW_VAR_RF_RECOVERY,
        HW_VAR_H2C_FW_UPDATE_GTK,
        HW_VAR_WF_MASK,
        HW_VAR_WF_CRC,
        HW_VAR_WF_IS_MAC_ADDR,
        HW_VAR_H2C_FW_OFFLOAD,
        HW_VAR_RESET_WFCRC,

        HW_VAR_HANDLE_FW_C2H,
        HW_VAR_DL_FW_RSVD_PAGE,
        HW_VAR_AID,
        HW_VAR_HW_SEQ_ENABLE,
        HW_VAR_CORRECT_TSF,
        HW_VAR_BCN_VALID,
        HW_VAR_FWLPS_RF_ON,
        HW_VAR_DUAL_TSF_RST,
        HW_VAR_SWITCH_EPHY_WoWLAN,
        HW_VAR_INT_MIGRATION,
        HW_VAR_INT_AC,
        HW_VAR_RF_TIMING,
};

enum rt_op_mode {
        RT_OP_MODE_AP,
        RT_OP_MODE_INFRASTRUCTURE,
        RT_OP_MODE_IBSS,
        RT_OP_MODE_NO_LINK,
};


#define aSifsTime                                               \
         (((priv->rtllib->current_network.mode == IEEE_A)       \
        || (priv->rtllib->current_network.mode == IEEE_N_24G)   \
        || (priv->rtllib->current_network.mode == IEEE_N_5G)) ? 16 : 10)

#define MGMT_QUEUE_NUM 5

#define MAX_IE_LEN  0xff

#define msleep_interruptible_rsl  msleep_interruptible

/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 * 6.2.1.1.2.
 *
 * The figure in section 7.1.2 suggests a body size of up to 2312
 * bytes is allowed, which is a bit confusing, I suspect this
 * represents the 2304 bytes of real data, plus a possible 8 bytes of
 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
 */
#define RTLLIB_1ADDR_LEN 10
#define RTLLIB_2ADDR_LEN 16
#define RTLLIB_3ADDR_LEN 24
#define RTLLIB_4ADDR_LEN 30
#define RTLLIB_FCS_LEN    4

#define RTLLIB_SKBBUFFER_SIZE 2500

#define MIN_FRAG_THRESHOLD     256U
#define MAX_FRAG_THRESHOLD     2346U

/* Frame control field constants */
#define RTLLIB_FCTL_FTYPE               0x000c
#define RTLLIB_FCTL_STYPE               0x00f0
#define RTLLIB_FCTL_FRAMETYPE   0x00fc
#define RTLLIB_FCTL_TODS                0x0100
#define RTLLIB_FCTL_FROMDS              0x0200
#define RTLLIB_FCTL_DSTODS              0x0300
#define RTLLIB_FCTL_MOREFRAGS   0x0400
#define RTLLIB_FCTL_RETRY               0x0800
#define RTLLIB_FCTL_PM          0x1000
#define RTLLIB_FCTL_MOREDATA            0x2000
#define RTLLIB_FCTL_WEP         0x4000
#define RTLLIB_FCTL_ORDER               0x8000

#define RTLLIB_FTYPE_MGMT               0x0000
#define RTLLIB_FTYPE_CTL                0x0004
#define RTLLIB_FTYPE_DATA               0x0008

/* management */
#define RTLLIB_STYPE_ASSOC_REQ  0x0000
#define RTLLIB_STYPE_ASSOC_RESP         0x0010
#define RTLLIB_STYPE_REASSOC_REQ        0x0020
#define RTLLIB_STYPE_REASSOC_RESP       0x0030
#define RTLLIB_STYPE_PROBE_REQ  0x0040
#define RTLLIB_STYPE_PROBE_RESP 0x0050
#define RTLLIB_STYPE_BEACON             0x0080
#define RTLLIB_STYPE_ATIM               0x0090
#define RTLLIB_STYPE_DISASSOC   0x00A0
#define RTLLIB_STYPE_AUTH               0x00B0
#define RTLLIB_STYPE_DEAUTH             0x00C0
#define RTLLIB_STYPE_MANAGE_ACT 0x00D0

/* control */
#define RTLLIB_STYPE_PSPOLL             0x00A0
#define RTLLIB_STYPE_RTS                0x00B0
#define RTLLIB_STYPE_CTS                0x00C0
#define RTLLIB_STYPE_ACK                0x00D0

/* data */
#define RTLLIB_STYPE_DATA               0x0000
#define RTLLIB_STYPE_DATA_CFACK 0x0010
#define RTLLIB_STYPE_DATA_CFPOLL        0x0020
#define RTLLIB_STYPE_DATA_CFACKPOLL     0x0030
#define RTLLIB_STYPE_NULLFUNC   0x0040
#define RTLLIB_STYPE_QOS_DATA   0x0080
#define RTLLIB_STYPE_QOS_NULL   0x00C0

#define RTLLIB_SCTL_FRAG                0x000F
#define RTLLIB_SCTL_SEQ         0xFFF0

/* QOS control */
#define RTLLIB_QCTL_TID       0x000F

#define FC_QOS_BIT                                      BIT7
#define IsDataFrame(pdu)        (((pdu[0] & 0x0C) == 0x08) ? true : false)
#define IsLegacyDataFrame(pdu)  (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)))
#define IsQoSDataFrame(pframe)                  \
        ((*(u16 *)pframe&(RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA)) ==  \
        (RTLLIB_STYPE_QOS_DATA|RTLLIB_FTYPE_DATA))
#define Frame_Order(pframe)     (*(u16 *)pframe&RTLLIB_FCTL_ORDER)
#define SN_LESS(a, b)           (((a-b)&0x800) != 0)
#define SN_EQUAL(a, b)  (a == b)
#define MAX_DEV_ADDR_SIZE 8

enum act_category {
        ACT_CAT_QOS = 1,
        ACT_CAT_DLS = 2,
        ACT_CAT_BA  = 3,
        ACT_CAT_HT  = 7,
        ACT_CAT_WMM = 17,
};

enum ba_action {
        ACT_ADDBAREQ = 0,
        ACT_ADDBARSP = 1,
        ACT_DELBA    = 2,
};

enum init_gain_op_type {
        IG_Backup = 0,
        IG_Restore,
        IG_Max
};

enum led_ctl_mode {
        LED_CTL_POWER_ON = 1,
        LED_CTL_LINK = 2,
        LED_CTL_NO_LINK = 3,
        LED_CTL_TX = 4,
        LED_CTL_RX = 5,
        LED_CTL_SITE_SURVEY = 6,
        LED_CTL_POWER_OFF = 7,
        LED_CTL_START_TO_LINK = 8,
};

enum rt_rf_type_def {
        RF_1T2R = 0,
        RF_2T4R,
};

enum wireless_mode {
        WIRELESS_MODE_UNKNOWN = 0x00,
        WIRELESS_MODE_A = 0x01,
        WIRELESS_MODE_B = 0x02,
        WIRELESS_MODE_G = 0x04,
        WIRELESS_MODE_AUTO = 0x08,
        WIRELESS_MODE_N_24G = 0x10,
        WIRELESS_MODE_N_5G = 0x20
};

#ifndef ETH_P_PAE
#define ETH_P_PAE       0x888E          /* Port Access Entity (IEEE 802.1X) */
#define ETH_P_IP        0x0800          /* Internet Protocol packet     */
#define ETH_P_ARP       0x0806          /* Address Resolution packet    */
#endif /* ETH_P_PAE */

#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
#endif

/* IEEE 802.11 defines */

#define P80211_OUI_LEN 3

struct rtllib_snap_hdr {

        u8    dsap;   /* always 0xAA */
        u8    ssap;   /* always 0xAA */
        u8    ctrl;   /* always 0x03 */
        u8    oui[P80211_OUI_LEN];    /* organizational universal id */

} __packed;

enum _REG_PREAMBLE_MODE {
        PREAMBLE_LONG = 1,
        PREAMBLE_AUTO = 2,
        PREAMBLE_SHORT = 3,
};

#define SNAP_SIZE sizeof(struct rtllib_snap_hdr)

#define WLAN_FC_GET_TYPE(fc) ((fc) & RTLLIB_FCTL_FTYPE)
#define WLAN_FC_GET_STYPE(fc) ((fc) & RTLLIB_FCTL_STYPE)
#define WLAN_FC_MORE_DATA(fc) ((fc) & RTLLIB_FCTL_MOREDATA)

#define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & RTLLIB_FCTL_FRAMETYPE)
#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG)
#define WLAN_GET_SEQ_SEQ(seq)  (((seq) & RTLLIB_SCTL_SEQ) >> 4)

/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_LEAP 128

#define WLAN_CAPABILITY_ESS (1<<0)
#define WLAN_CAPABILITY_IBSS (1<<1)
#define WLAN_CAPABILITY_PRIVACY (1<<4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)

#define RTLLIB_STATMASK_SIGNAL (1<<0)
#define RTLLIB_STATMASK_RSSI (1<<1)
#define RTLLIB_STATMASK_NOISE (1<<2)
#define RTLLIB_STATMASK_WEMASK 0x7

#define RTLLIB_CCK_MODULATION    (1<<0)
#define RTLLIB_OFDM_MODULATION   (1<<1)

#define RTLLIB_24GHZ_BAND     (1<<0)
#define RTLLIB_52GHZ_BAND     (1<<1)

#define RTLLIB_CCK_RATE_LEN             4
#define RTLLIB_CCK_RATE_1MB                     0x02
#define RTLLIB_CCK_RATE_2MB                     0x04
#define RTLLIB_CCK_RATE_5MB                     0x0B
#define RTLLIB_CCK_RATE_11MB                    0x16
#define RTLLIB_OFDM_RATE_LEN            8
#define RTLLIB_OFDM_RATE_6MB                    0x0C
#define RTLLIB_OFDM_RATE_9MB                    0x12
#define RTLLIB_OFDM_RATE_12MB           0x18
#define RTLLIB_OFDM_RATE_18MB           0x24
#define RTLLIB_OFDM_RATE_24MB           0x30
#define RTLLIB_OFDM_RATE_36MB           0x48
#define RTLLIB_OFDM_RATE_48MB           0x60
#define RTLLIB_OFDM_RATE_54MB           0x6C
#define RTLLIB_BASIC_RATE_MASK          0x80

/* this is stolen and modified from the madwifi driver*/
#define RTLLIB_FC0_TYPE_MASK            0x0c
#define RTLLIB_FC0_TYPE_DATA            0x08
#define RTLLIB_FC0_SUBTYPE_MASK 0xB0
#define RTLLIB_FC0_SUBTYPE_QOS  0x80

#define RTLLIB_QOS_HAS_SEQ(fc) \
        (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \
         (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS))

/* this is stolen from ipw2200 driver */
#define IEEE_IBSS_MAC_HASH_SIZE 31
struct ieee_ibss_seq {
        u8 mac[ETH_ALEN];
        u16 seq_num[17];
        u16 frag_num[17];
        unsigned long packet_time[17];
        struct list_head list;
};

/* NOTE: This data is for statistical purposes; not all hardware provides this
 *       information for frames received.  Not setting these will not cause
 *       any adverse affects.
 */
struct rtllib_rx_stats {
        u64 mac_time;
        s8  rssi;
        u8  signal;
        u8  noise;
        u16 rate; /* in 100 kbps */
        u8  received_channel;
        u8  control;
        u8  mask;
        u8  freq;
        u16 len;
        u64 tsf;
        u32 beacon_time;
        u8  nic_type;
        u16 Length;
        u8  SignalQuality;
        s32 RecvSignalPower;
        s8  RxPower;
        u8  SignalStrength;
        u16 bHwError:1;
        u16 bCRC:1;
        u16 bICV:1;
        u16 bShortPreamble:1;
        u16 Antenna:1;
        u16 Decrypted:1;
        u16 Wakeup:1;
        u16 Reserved0:1;
        u8  AGC;
        u32 TimeStampLow;
        u32 TimeStampHigh;
        bool bShift;
        bool bIsQosData;

        u8    RxDrvInfoSize;
        u8    RxBufShift;
        bool  bIsAMPDU;
        bool  bFirstMPDU;
        bool  bContainHTC;
        bool  RxIs40MHzPacket;
        u32   RxPWDBAll;
        u8    RxMIMOSignalStrength[4];
        s8    RxMIMOSignalQuality[2];
        bool  bPacketMatchBSSID;
        bool  bIsCCK;
        bool  bPacketToSelf;
        u16    packetlength;
        u16    fraglength;
        u16    fragoffset;
        u16    ntotalfrag;
        bool   bPacketBeacon;
        bool   bToSelfBA;
        u16    Seq_Num;
};

/* IEEE 802.11 requires that STA supports concurrent reception of at least
 * three fragmented frames. This define can be increased to support more
 * concurrent frames, but it should be noted that each entry can consume about
 * 2 kB of RAM and increasing cache size will slow down frame reassembly.
 */
#define RTLLIB_FRAG_CACHE_LEN 4

struct rtllib_frag_entry {
        unsigned long first_frag_time;
        unsigned int seq;
        unsigned int last_frag;
        struct sk_buff *skb;
        u8 src_addr[ETH_ALEN];
        u8 dst_addr[ETH_ALEN];
};

struct rtllib_device;

#define SEC_ACTIVE_KEY    (1<<4)
#define SEC_AUTH_MODE     (1<<5)
#define SEC_UNICAST_GROUP (1<<6)
#define SEC_LEVEL        (1<<7)
#define SEC_ENABLED       (1<<8)

#define SEC_LEVEL_0      0 /* None */
#define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
#define SEC_LEVEL_2      2 /* Level 1 + TKIP */
#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
#define SEC_LEVEL_3      4 /* Level 2 + CCMP */

#define SEC_ALG_NONE            0
#define SEC_ALG_WEP             1
#define SEC_ALG_TKIP            2
#define SEC_ALG_CCMP            4

#define WEP_KEY_LEN             13
#define SCM_KEY_LEN             32

struct rtllib_security {
        u16 active_key:2,
            enabled:1,
            auth_mode:2,
            auth_algo:4,
            unicast_uses_group:1,
            encrypt:1;
        u8 key_sizes[NUM_WEP_KEYS];
        u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN];
        u8 level;
        u16 flags;
} __packed;


/* 802.11 data frame from AP
 *       ,-------------------------------------------------------------------.
 * Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
 *       |------|------|---------|---------|---------|------|---------|------|
 * Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
 *       |      | tion | (BSSID) |         |         | ence |  data   |      |
 *       `-------------------------------------------------------------------'
 * Total: 28-2340 bytes
 */

/* Management Frame Information Element Types */
enum rtllib_mfie {
        MFIE_TYPE_SSID = 0,
        MFIE_TYPE_RATES = 1,
        MFIE_TYPE_FH_SET = 2,
        MFIE_TYPE_DS_SET = 3,
        MFIE_TYPE_CF_SET = 4,
        MFIE_TYPE_TIM = 5,
        MFIE_TYPE_IBSS_SET = 6,
        MFIE_TYPE_COUNTRY = 7,
        MFIE_TYPE_HOP_PARAMS = 8,
        MFIE_TYPE_HOP_TABLE = 9,
        MFIE_TYPE_REQUEST = 10,
        MFIE_TYPE_CHALLENGE = 16,
        MFIE_TYPE_POWER_CONSTRAINT = 32,
        MFIE_TYPE_POWER_CAPABILITY = 33,
        MFIE_TYPE_TPC_REQUEST = 34,
        MFIE_TYPE_TPC_REPORT = 35,
        MFIE_TYPE_SUPP_CHANNELS = 36,
        MFIE_TYPE_CSA = 37,
        MFIE_TYPE_MEASURE_REQUEST = 38,
        MFIE_TYPE_MEASURE_REPORT = 39,
        MFIE_TYPE_QUIET = 40,
        MFIE_TYPE_IBSS_DFS = 41,
        MFIE_TYPE_ERP = 42,
        MFIE_TYPE_HT_CAP = 45,
        MFIE_TYPE_RSN = 48,
        MFIE_TYPE_RATES_EX = 50,
        MFIE_TYPE_HT_INFO = 61,
        MFIE_TYPE_AIRONET = 133,
        MFIE_TYPE_GENERIC = 221,
        MFIE_TYPE_QOS_PARAMETER = 222,
};

/* Minimal header; can be used for passing 802.11 frames with sufficient
 * information to determine what type of underlying data type is actually
 * stored in the data.
 */
struct rtllib_pspoll_hdr {
        __le16 frame_ctl;
        __le16 aid;
        u8 bssid[ETH_ALEN];
        u8 ta[ETH_ALEN];
} __packed;

struct rtllib_hdr {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 payload[0];
} __packed;

struct rtllib_hdr_1addr {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 payload[0];
} __packed;

struct rtllib_hdr_2addr {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 payload[0];
} __packed;

struct rtllib_hdr_3addr {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 addr3[ETH_ALEN];
        __le16 seq_ctl;
        u8 payload[0];
} __packed;

struct rtllib_hdr_4addr {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 addr3[ETH_ALEN];
        __le16 seq_ctl;
        u8 addr4[ETH_ALEN];
        u8 payload[0];
} __packed;

struct rtllib_hdr_3addrqos {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 addr3[ETH_ALEN];
        __le16 seq_ctl;
        __le16 qos_ctl;
        u8 payload[0];
} __packed;

struct rtllib_hdr_4addrqos {
        __le16 frame_ctl;
        __le16 duration_id;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 addr3[ETH_ALEN];
        __le16 seq_ctl;
        u8 addr4[ETH_ALEN];
        __le16 qos_ctl;
        u8 payload[0];
} __packed;

struct rtllib_info_element {
        u8 id;
        u8 len;
        u8 data[0];
} __packed;

struct rtllib_authentication {
        struct rtllib_hdr_3addr header;
        __le16 algorithm;
        __le16 transaction;
        __le16 status;
        /*challenge*/
        struct rtllib_info_element info_element[0];
} __packed;

struct rtllib_disauth {
        struct rtllib_hdr_3addr header;
        __le16 reason;
} __packed;

struct rtllib_disassoc {
        struct rtllib_hdr_3addr header;
        __le16 reason;
} __packed;

struct rtllib_probe_request {
        struct rtllib_hdr_3addr header;
        /* SSID, supported rates */
        struct rtllib_info_element info_element[0];
} __packed;

struct rtllib_probe_response {
        struct rtllib_hdr_3addr header;
        u32 time_stamp[2];
        __le16 beacon_interval;
        __le16 capability;
        /* SSID, supported rates, FH params, DS params,
         * CF params, IBSS params, TIM (if beacon), RSN
         */
        struct rtllib_info_element info_element[0];
} __packed;

/* Alias beacon for probe_response */
#define rtllib_beacon rtllib_probe_response

struct rtllib_assoc_request_frame {
        struct rtllib_hdr_3addr header;
        __le16 capability;
        __le16 listen_interval;
        /* SSID, supported rates, RSN */
        struct rtllib_info_element info_element[0];
} __packed;

struct rtllib_assoc_response_frame {
        struct rtllib_hdr_3addr header;
        __le16 capability;
        __le16 status;
        __le16 aid;
        struct rtllib_info_element info_element[0]; /* supported rates */
} __packed;

struct rtllib_txb {
        u8 nr_frags;
        u8 encrypted;
        u8 queue_index;
        u8 rts_included;
        u16 reserved;
        __le16 frag_size;
        __le16 payload_size;
        struct sk_buff *fragments[0];
};

#define MAX_SUBFRAME_COUNT                64
struct rtllib_rxb {
        u8 nr_subframes;
        struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
        u8 dst[ETH_ALEN];
        u8 src[ETH_ALEN];
} __packed;

union frameqos {
        u16 shortdata;
        u8  chardata[2];
        struct {
                u16 tid:4;
                u16 eosp:1;
                u16 ack_policy:2;
                u16 reserved:1;
                u16 txop:8;
        } field;
};

/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 * only use 8, and then use extended rates for the remaining supported
 * rates.  Other APs, however, stick all of their supported rates on the
 * main rates information element...
 */
#define MAX_RATES_LENGTH                  ((u8)12)
#define MAX_RATES_EX_LENGTH            ((u8)16)
#define MAX_NETWORK_COUNT                 96

#define MAX_CHANNEL_NUMBER               161
#define RTLLIB_SOFTMAC_SCAN_TIME           100
#define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)

#define MAX_WPA_IE_LEN 64
#define MAX_WZC_IE_LEN 256

#define NETWORK_EMPTY_ESSID (1<<0)
#define NETWORK_HAS_OFDM    (1<<1)
#define NETWORK_HAS_CCK     (1<<2)

/* QoS structure */
#define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
#define NETWORK_HAS_QOS_INFORMATION     (1<<4)
#define NETWORK_HAS_QOS_MASK        (NETWORK_HAS_QOS_PARAMETERS | \
                                         NETWORK_HAS_QOS_INFORMATION)
/* 802.11h */
#define NETWORK_HAS_ERP_VALUE      (1<<10)

#define QOS_QUEUE_NUM              4
#define QOS_OUI_LEN                  3
#define QOS_OUI_TYPE                2
#define QOS_ELEMENT_ID            221
#define QOS_OUI_INFO_SUB_TYPE      0
#define QOS_OUI_PARAM_SUB_TYPE    1
#define QOS_VERSION_1              1

struct rtllib_qos_information_element {
        u8 elementID;
        u8 length;
        u8 qui[QOS_OUI_LEN];
        u8 qui_type;
        u8 qui_subtype;
        u8 version;
        u8 ac_info;
} __packed;

struct rtllib_qos_ac_parameter {
        u8 aci_aifsn;
        u8 ecw_min_max;
        __le16 tx_op_limit;
} __packed;

struct rtllib_qos_parameter_info {
        struct rtllib_qos_information_element info_element;
        u8 reserved;
        struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
} __packed;

struct rtllib_qos_parameters {
        __le16 cw_min[QOS_QUEUE_NUM];
        __le16 cw_max[QOS_QUEUE_NUM];
        u8 aifs[QOS_QUEUE_NUM];
        u8 flag[QOS_QUEUE_NUM];
        __le16 tx_op_limit[QOS_QUEUE_NUM];
} __packed;

struct rtllib_qos_data {
        struct rtllib_qos_parameters parameters;
        unsigned int wmm_acm;
        int active;
        int supported;
        u8 param_count;
        u8 old_param_count;
};

struct rtllib_tim_parameters {
        u8 tim_count;
        u8 tim_period;
} __packed;

struct rtllib_wmm_ac_param {
        u8 ac_aci_acm_aifsn;
        u8 ac_ecwmin_ecwmax;
        u16 ac_txop_limit;
};

enum eap_type {
        EAP_PACKET = 0,
        EAPOL_START,
        EAPOL_LOGOFF,
        EAPOL_KEY,
        EAPOL_ENCAP_ASF_ALERT
};

static const char * const eap_types[] = {
        [EAP_PACKET]            = "EAP-Packet",
        [EAPOL_START]           = "EAPOL-Start",
        [EAPOL_LOGOFF]          = "EAPOL-Logoff",
        [EAPOL_KEY]             = "EAPOL-Key",
        [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
};

static inline const char *eap_get_type(int type)
{
        return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" :
                 eap_types[type];
}
static inline u8 Frame_QoSTID(u8 *buf)
{
        struct rtllib_hdr_3addr *hdr;
        u16 fc;

        hdr = (struct rtllib_hdr_3addr *)buf;
        fc = le16_to_cpu(hdr->frame_ctl);
        return (u8)((union frameqos *)(buf + (((fc & RTLLIB_FCTL_TODS) &&

                    (fc & RTLLIB_FCTL_FROMDS)) ? 30 : 24)))->field.tid;
}


struct eapol {
        u8 snap[6];
        u16 ethertype;
        u8 version;
        u8 type;
        u16 length;
} __packed;

struct rtllib_softmac_stats {
        unsigned int rx_ass_ok;
        unsigned int rx_ass_err;
        unsigned int rx_probe_rq;
        unsigned int tx_probe_rs;
        unsigned int tx_beacons;
        unsigned int rx_auth_rq;
        unsigned int rx_auth_rs_ok;
        unsigned int rx_auth_rs_err;
        unsigned int tx_auth_rq;
        unsigned int no_auth_rs;
        unsigned int no_ass_rs;
        unsigned int tx_ass_rq;
        unsigned int rx_ass_rq;
        unsigned int tx_probe_rq;
        unsigned int reassoc;
        unsigned int swtxstop;
        unsigned int swtxawake;
        unsigned char CurrentShowTxate;
        unsigned char last_packet_rate;
        unsigned int txretrycount;
};

/* These are the data types that can make up management packets
 *
 * u16 auth_algorithm;
 * u16 auth_sequence;
 * u16 beacon_interval;
 * u16 capability;
 * u8 current_ap[ETH_ALEN];
 * u16 listen_interval;
 * struct {
 *   u16 association_id:14, reserved:2;
 * } __packed;
 * u32 time_stamp[2];
 * u16 reason;
 * u16 status;
 */

#define RTLLIB_DEFAULT_TX_ESSID "Penguin"
#define RTLLIB_DEFAULT_BASIC_RATE 2

enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame};
#define MAX_SP_Len  (WMM_all_frame << 4)
#define RTLLIB_QOS_TID 0x0f
#define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5)

#define RTLLIB_DTIM_MBCAST 4
#define RTLLIB_DTIM_UCAST 2
#define RTLLIB_DTIM_VALID 1
#define RTLLIB_DTIM_INVALID 0

#define RTLLIB_PS_DISABLED 0
#define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST
#define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST

#define WME_AC_BK   0x00
#define WME_AC_BE   0x01
#define WME_AC_VI   0x02
#define WME_AC_VO   0x03
#define WME_AC_PRAM_LEN 16

#define MAX_RECEIVE_BUFFER_SIZE 9100

#define UP2AC(up) (                \
        ((up) < 1) ? WME_AC_BE : \
        ((up) < 3) ? WME_AC_BK : \
        ((up) < 4) ? WME_AC_BE : \
        ((up) < 6) ? WME_AC_VI : \
        WME_AC_VO)

#define ETHER_ADDR_LEN          6       /* length of an Ethernet address */
#define ETHERNET_HEADER_SIZE    14      /* length of two Ethernet address
                                         * plus ether type
                                         */

enum erp_t {
        ERP_NonERPpresent       = 0x01,
        ERP_UseProtection       = 0x02,
        ERP_BarkerPreambleMode = 0x04,
};

struct rtllib_network {
        /* These entries are used to identify a unique network */
        u8 bssid[ETH_ALEN];
        u8 channel;
        /* Ensure null-terminated for any debug msgs */
        u8 ssid[IW_ESSID_MAX_SIZE + 1];
        u8 ssid_len;
        u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1];
        u8 hidden_ssid_len;
        struct rtllib_qos_data qos_data;

        bool    bWithAironetIE;
        bool    bCkipSupported;
        bool    bCcxRmEnable;
        u16     CcxRmState[2];
        bool    bMBssidValid;
        u8      MBssidMask;
        u8      MBssid[ETH_ALEN];
        bool    bWithCcxVerNum;
        u8      BssCcxVerNumber;
        /* These are network statistics */
        struct rtllib_rx_stats stats;
        u16 capability;
        u8  rates[MAX_RATES_LENGTH];
        u8  rates_len;
        u8  rates_ex[MAX_RATES_EX_LENGTH];
        u8  rates_ex_len;
        unsigned long last_scanned;
        u8  mode;
        u32 flags;
        u32 time_stamp[2];
        u16 beacon_interval;
        u16 listen_interval;
        u16 atim_window;
        u8  erp_value;
        u8  wpa_ie[MAX_WPA_IE_LEN];
        size_t wpa_ie_len;
        u8  rsn_ie[MAX_WPA_IE_LEN];
        size_t rsn_ie_len;
        u8  wzc_ie[MAX_WZC_IE_LEN];
        size_t wzc_ie_len;

        struct rtllib_tim_parameters tim;
        u8  dtim_period;
        u8  dtim_data;
        u64 last_dtim_sta_time;

        u8 wmm_info;
        struct rtllib_wmm_ac_param wmm_param[4];
        u8 Turbo_Enable;
        u16 CountryIeLen;
        u8 CountryIeBuf[MAX_IE_LEN];
        struct bss_ht bssht;
        bool broadcom_cap_exist;
        bool realtek_cap_exit;
        bool marvell_cap_exist;
        bool ralink_cap_exist;
        bool atheros_cap_exist;
        bool cisco_cap_exist;
        bool airgo_cap_exist;
        bool unknown_cap_exist;
        bool    berp_info_valid;
        bool buseprotection;
        u8 SignalStrength;
        u8 RSSI;
        struct list_head list;
};

enum rtllib_state {

        /* the card is not linked at all */
        RTLLIB_NOLINK = 0,

        /* RTLLIB_ASSOCIATING* are for BSS client mode
         * the driver shall not perform RX filtering unless
         * the state is LINKED.
         * The driver shall just check for the state LINKED and
         * defaults to NOLINK for ALL the other states (including
         * LINKED_SCANNING)
         */

        /* the association procedure will start (wq scheduling)*/
        RTLLIB_ASSOCIATING,
        RTLLIB_ASSOCIATING_RETRY,

        /* the association procedure is sending AUTH request*/
        RTLLIB_ASSOCIATING_AUTHENTICATING,

        /* the association procedure has successfully authenticated
         * and is sending association request
         */
        RTLLIB_ASSOCIATING_AUTHENTICATED,

        /* the link is ok. the card associated to a BSS or linked
         * to a ibss cell or acting as an AP and creating the bss
         */
        RTLLIB_LINKED,

        /* same as LINKED, but the driver shall apply RX filter
         * rules as we are in NO_LINK mode. As the card is still
         * logically linked, but it is doing a syncro site survey
         * then it will be back to LINKED state.
         */
        RTLLIB_LINKED_SCANNING,
};

#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
#define DEFAULT_FTS 2346

#define CFG_RTLLIB_RESERVE_FCS (1<<0)
#define CFG_RTLLIB_COMPUTE_FCS (1<<1)

struct tx_pending {
        int frag;
        struct rtllib_txb *txb;
};

struct bandwidth_autoswitch {
        long threshold_20Mhzto40Mhz;
        long    threshold_40Mhzto20Mhz;
        bool bforced_tx20Mhz;
        bool bautoswitch_enable;
};



#define REORDER_WIN_SIZE        128
#define REORDER_ENTRY_NUM       128
struct rx_reorder_entry {
        struct list_head        List;
        u16                     SeqNum;
        struct rtllib_rxb *prxb;
};
enum fsync_state {
        Default_Fsync,
        HW_Fsync,
        SW_Fsync
};

enum rt_ps_mode {
        eActive,
        eMaxPs,
        eFastPs,
        eAutoPs,
};

enum ips_callback_function {
        IPS_CALLBACK_NONE = 0,
        IPS_CALLBACK_MGNT_LINK_REQUEST = 1,
        IPS_CALLBACK_JOIN_REQUEST = 2,
};

enum rt_rf_power_state {
        eRfOn,
        eRfSleep,
        eRfOff
};

struct rt_pwr_save_ctrl {

        bool                            bInactivePs;
        bool                            bIPSModeBackup;
        bool                            bSwRfProcessing;
        enum rt_rf_power_state eInactivePowerState;
        enum ips_callback_function ReturnPoint;

        bool                            bLeisurePs;
        u8                              LpsIdleCount;
        u8                              RegMaxLPSAwakeIntvl;
        u8                              LPSAwakeIntvl;

        u32                             CurPsLevel;
        u32                             RegRfPsLevel;

        bool                            bFwCtrlLPS;

};

#define RT_RF_CHANGE_SOURCE u32

#define RF_CHANGE_BY_SW BIT31
#define RF_CHANGE_BY_HW BIT30
#define RF_CHANGE_BY_PS BIT29
#define RF_CHANGE_BY_IPS BIT28
#define RF_CHANGE_BY_INIT       0

enum country_code_type {
        COUNTRY_CODE_FCC = 0,
        COUNTRY_CODE_IC = 1,
        COUNTRY_CODE_ETSI = 2,
        COUNTRY_CODE_SPAIN = 3,
        COUNTRY_CODE_FRANCE = 4,
        COUNTRY_CODE_MKK = 5,
        COUNTRY_CODE_MKK1 = 6,
        COUNTRY_CODE_ISRAEL = 7,
        COUNTRY_CODE_TELEC = 8,
        COUNTRY_CODE_MIC = 9,
        COUNTRY_CODE_GLOBAL_DOMAIN = 10,
        COUNTRY_CODE_WORLD_WIDE_13 = 11,
        COUNTRY_CODE_TELEC_NETGEAR = 12,
        COUNTRY_CODE_MAX
};

enum scan_op_backup_opt {
        SCAN_OPT_BACKUP = 0,
        SCAN_OPT_RESTORE,
        SCAN_OPT_MAX
};

enum fw_cmd_io_type {
        FW_CMD_DIG_ENABLE = 0,
        FW_CMD_DIG_DISABLE = 1,
        FW_CMD_DIG_HALT = 2,
        FW_CMD_DIG_RESUME = 3,
        FW_CMD_HIGH_PWR_ENABLE = 4,
        FW_CMD_HIGH_PWR_DISABLE = 5,
        FW_CMD_RA_RESET = 6,
        FW_CMD_RA_ACTIVE = 7,
        FW_CMD_RA_REFRESH_N = 8,
        FW_CMD_RA_REFRESH_BG = 9,
        FW_CMD_RA_INIT = 10,
        FW_CMD_IQK_ENABLE = 11,
        FW_CMD_TXPWR_TRACK_ENABLE = 12,
        FW_CMD_TXPWR_TRACK_DISABLE = 13,
        FW_CMD_TXPWR_TRACK_THERMAL = 14,
        FW_CMD_PAUSE_DM_BY_SCAN = 15,
        FW_CMD_RESUME_DM_BY_SCAN = 16,
        FW_CMD_RA_REFRESH_N_COMB = 17,
        FW_CMD_RA_REFRESH_BG_COMB = 18,
        FW_CMD_ANTENNA_SW_ENABLE = 19,
        FW_CMD_ANTENNA_SW_DISABLE = 20,
        FW_CMD_TX_FEEDBACK_CCX_ENABLE = 21,
        FW_CMD_LPS_ENTER = 22,
        FW_CMD_LPS_LEAVE = 23,
};

#define RT_MAX_LD_SLOT_NUM      10
struct rt_link_detect {

        u32                             NumRecvBcnInPeriod;
        u32                             NumRecvDataInPeriod;

        u32                             RxBcnNum[RT_MAX_LD_SLOT_NUM];
        u32                             RxDataNum[RT_MAX_LD_SLOT_NUM];
        u16                             SlotNum;
        u16                             SlotIndex;

        u32                             NumTxOkInPeriod;
        u32                             NumRxOkInPeriod;
        u32                             NumRxUnicastOkInPeriod;
        bool                            bBusyTraffic;
        bool                            bHigherBusyTraffic;
        bool                            bHigherBusyRxTraffic;
};

struct sw_cam_table {

        u8                              macaddr[ETH_ALEN];
        bool                            bused;
        u8                              key_buf[16];
        u16                             key_type;
        u8                              useDK;
        u8                              key_index;

};
#define   TOTAL_CAM_ENTRY                               32
struct rate_adaptive {
        u8                              rate_adaptive_disabled;
        u8                              ratr_state;
        u16                             reserve;

        u32                             high_rssi_thresh_for_ra;
        u32                             high2low_rssi_thresh_for_ra;
        u8                              low2high_rssi_thresh_for_ra40M;
        u32                             low_rssi_thresh_for_ra40M;
        u8                              low2high_rssi_thresh_for_ra20M;
        u32                             low_rssi_thresh_for_ra20M;
        u32                             upper_rssi_threshold_ratr;
        u32                             middle_rssi_threshold_ratr;
        u32                             low_rssi_threshold_ratr;
        u32                             low_rssi_threshold_ratr_40M;
        u32                             low_rssi_threshold_ratr_20M;
        u8                              ping_rssi_enable;
        u32                             ping_rssi_ratr;
        u32                             ping_rssi_thresh_for_ra;
        u32                             last_ratr;
        u8                              PreRATRState;

};

#define NUM_PMKID_CACHE         16
struct rt_pmkid_list {
        u8 Bssid[ETH_ALEN];
        u8 PMKID[16];
        u8 SsidBuf[33];
        u8 bUsed;
};

struct rt_intel_promisc_mode {
        bool bPromiscuousOn;
        bool bFilterSourceStationFrame;
};


/*************** DRIVER STATUS   *****/
#define STATUS_SCANNING                 0
/*************** DRIVER STATUS   *****/

enum {
        LPS_IS_WAKE = 0,
        LPS_IS_SLEEP = 1,
        LPS_WAIT_NULL_DATA_SEND = 2,
};

struct rtllib_device {
        struct pci_dev *pdev;
        struct net_device *dev;
        struct rtllib_security sec;

        bool disable_mgnt_queue;

        unsigned long status;
        u8      CntAfterLink;

        enum rt_op_mode OpMode;

        /* The last AssocReq/Resp IEs */
        u8 *assocreq_ies, *assocresp_ies;
        size_t assocreq_ies_len, assocresp_ies_len;

        bool    bForcedBgMode;
        u8 RF_Type;

        u8 hwsec_active;
        bool is_silent_reset;
        bool is_roaming;
        bool ieee_up;
        bool cannot_notify;
        bool bSupportRemoteWakeUp;
        bool actscanning;
        bool FirstIe_InScan;
        bool be_scan_inprogress;
        bool beinretry;
        enum rt_rf_power_state eRFPowerState;
        RT_RF_CHANGE_SOURCE     RfOffReason;
        bool is_set_key;
        bool wx_set_enc;
        struct rt_hi_throughput *pHTInfo;

        spinlock_t reorder_spinlock;
        u8      Regdot11HTOperationalRateSet[16];
        u8      Regdot11TxHTOperationalRateSet[16];
        u8      dot11HTOperationalRateSet[16];
        u8      RegHTSuppRateSet[16];
        u8      HTCurrentOperaRate;
        u8      HTHighestOperaRate;
        u8      bTxDisableRateFallBack;
        u8      bTxUseDriverAssingedRate;
        u8      bTxEnableFwCalcDur;
        atomic_t        atm_swbw;

        struct list_head                Tx_TS_Admit_List;
        struct list_head                Tx_TS_Pending_List;
        struct list_head                Tx_TS_Unused_List;
        struct tx_ts_record TxTsRecord[TOTAL_TS_NUM];
        struct list_head                Rx_TS_Admit_List;
        struct list_head                Rx_TS_Pending_List;
        struct list_head                Rx_TS_Unused_List;
        struct rx_ts_record RxTsRecord[TOTAL_TS_NUM];
        struct rx_reorder_entry RxReorderEntry[128];
        struct list_head                RxReorder_Unused_List;


        /* Bookkeeping structures */
        struct net_device_stats stats;
        struct rtllib_softmac_stats softmac_stats;

        /* Probe / Beacon management */
        struct list_head network_free_list;
        struct list_head network_list;
        struct rtllib_network *networks;
        int scans;
        int scan_age;

        int iw_mode; /* operating mode (IW_MODE_*) */
        bool bNetPromiscuousMode;
        struct rt_intel_promisc_mode IntelPromiscuousModeInfo;

        spinlock_t lock;
        spinlock_t wpax_suitlist_lock;

        int tx_headroom; /* Set to size of any additional room needed at front
                          * of allocated Tx SKBs
                          */
        u32 config;

        /* WEP and other encryption related settings at the device level */
        int open_wep; /* Set to 1 to allow unencrypted frames */
        int auth_mode;
        int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
                                 * WEP key changes
                                 */

        /* If the host performs {en,de}cryption, then set to 1 */
        int host_encrypt;
        int host_decrypt;

        int ieee802_1x; /* is IEEE 802.1X used */

        /* WPA data */
        bool bHalfWirelessN24GMode;
        int wpa_enabled;
        int drop_unencrypted;
        int tkip_countermeasures;
        int privacy_invoked;
        size_t wpa_ie_len;
        u8 *wpa_ie;
        size_t wps_ie_len;
        u8 *wps_ie;
        u8 ap_mac_addr[ETH_ALEN];
        u16 pairwise_key_type;
        u16 group_key_type;

        struct lib80211_crypt_info crypt_info;

        struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];

        struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];

        /* Fragmentation structures */
        struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
        unsigned int frag_next_idx[17];
        u16 fts; /* Fragmentation Threshold */
#define DEFAULT_RTS_THRESHOLD 2346U
#define MIN_RTS_THRESHOLD 1
#define MAX_RTS_THRESHOLD 2346U
        u16 rts; /* RTS threshold */

        /* Association info */
        u8 bssid[ETH_ALEN];

        /* This stores infos for the current network.
         * Either the network we are associated in INFRASTRUCTURE
         * or the network that we are creating in MASTER mode.
         * ad-hoc is a mixture ;-).
         * Note that in infrastructure mode, even when not associated,
         * fields bssid and essid may be valid (if wpa_set and essid_set
         * are true) as thy carry the value set by the user via iwconfig
         */
        struct rtllib_network current_network;

        enum rtllib_state state;

        int short_slot;
        int mode;       /* A, B, G */
        int modulation; /* CCK, OFDM */

        /* used for forcing the ibss workqueue to terminate
         * without wait for the syncro scan to terminate
         */
        short sync_scan_hurryup;
        u16 scan_watch_dog;

        /* map of allowed channels. 0 is dummy */
        void *dot11d_info;
        bool global_domain;
        u8 active_channel_map[MAX_CHANNEL_NUMBER+1];

        u8   bss_start_channel;
        u8   ibss_maxjoin_chal;

        int rate;       /* current rate */
        int basic_rate;

        short active_scan;

        /* this contains flags for selectively enable softmac support */
        u16 softmac_features;

        /* if the sequence control field is not filled by HW */
        u16 seq_ctrl[5];

        /* association procedure transaction sequence number */
        u16 associate_seq;

        /* AID for RTXed association responses */
        u16 assoc_id;

        /* power save mode related*/
        u8 ack_tx_to_ieee;
        short ps;
        short sta_sleep;
        int ps_timeout;
        int ps_period;
        struct tasklet_struct ps_task;
        u64 ps_time;
        bool polling;

        short raw_tx;
        /* used if IEEE_SOFTMAC_TX_QUEUE is set */
        short queue_stop;
        short scanning_continue;
        short proto_started;
        short proto_stoppping;

        struct mutex wx_mutex;
        struct mutex scan_mutex;
        struct mutex ips_mutex;

        spinlock_t mgmt_tx_lock;
        spinlock_t beacon_lock;

        short beacon_txing;

        short wap_set;
        short ssid_set;

        /* set on initialization */
        unsigned int wmm_acm;

        /* for discarding duplicated packets in IBSS */
        struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE];

        /* for discarding duplicated packets in BSS */
        u16 last_rxseq_num[17]; /* rx seq previous per-tid */
        u16 last_rxfrag_num[17];/* tx frag previous per-tid */
        unsigned long last_packet_time[17];

        /* for PS mode */
        unsigned long last_rx_ps_time;
        bool                    bAwakePktSent;
        u8                      LPSDelayCnt;

        /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
        struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
        int mgmt_queue_head;
        int mgmt_queue_tail;
        u8 AsocRetryCount;
        struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
        struct sk_buff_head  skb_aggQ[MAX_QUEUE_SIZE];

        bool    bdynamic_txpower_enable;

        bool bCTSToSelfEnable;

        u32     fsync_time_interval;
        u32     fsync_rate_bitmap;
        u8      fsync_rssi_threshold;
        bool    bfsync_enable;

        u8      fsync_multiple_timeinterval;
        u32     fsync_firstdiff_ratethreshold;
        u32     fsync_seconddiff_ratethreshold;
        enum fsync_state fsync_state;
        bool            bis_any_nonbepkts;
        struct bandwidth_autoswitch bandwidth_auto_switch;
        bool FwRWRF;

        struct rt_link_detect LinkDetectInfo;
        bool bIsAggregateFrame;
        struct rt_pwr_save_ctrl PowerSaveControl;

        /* used if IEEE_SOFTMAC_TX_QUEUE is set */
        struct tx_pending tx_pending;

        /* used if IEEE_SOFTMAC_ASSOCIATE is set */
        struct timer_list associate_timer;

        /* used if IEEE_SOFTMAC_BEACONS is set */
        struct timer_list beacon_timer;
        u8 need_sw_enc;
        struct work_struct associate_complete_wq;
        struct work_struct ips_leave_wq;
        struct delayed_work associate_procedure_wq;
        struct delayed_work softmac_scan_wq;
        struct delayed_work associate_retry_wq;
        struct delayed_work start_ibss_wq;
        struct delayed_work hw_wakeup_wq;
        struct delayed_work hw_sleep_wq;
        struct delayed_work link_change_wq;
        struct work_struct wx_sync_scan_wq;

        union {
                struct rtllib_rxb *RfdArray[REORDER_WIN_SIZE];
                struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
                struct rtllib_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
                struct {
                        struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT];
                        struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT];
                        struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT];
                };
        };

        /* Callback functions */
        void (*set_security)(struct net_device *dev,
                             struct rtllib_security *sec);

        /* Used to TX data frame by using txb structs.
         * this is not used if in the softmac_features
         * is set the flag IEEE_SOFTMAC_TX_QUEUE
         */
        int (*hard_start_xmit)(struct rtllib_txb *txb,
                               struct net_device *dev);

        int (*reset_port)(struct net_device *dev);

        /* Softmac-generated frames (management) are TXed via this
         * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
         * not set. As some cards may have different HW queues that
         * one might want to use for data and management frames
         * the option to have two callbacks might be useful.
         * This function can't sleep.
         */
        int (*softmac_hard_start_xmit)(struct sk_buff *skb,
                               struct net_device *dev);

        /* used instead of hard_start_xmit (not softmac_hard_start_xmit)
         * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
         * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
         * then also management frames are sent via this callback.
         * This function can't sleep.
         */
        void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
                               struct net_device *dev, int rate);

        /* stops the HW queue for DATA frames. Useful to avoid
         * waste time to TX data frame when we are reassociating
         * This function can sleep.
         */
        void (*data_hard_stop)(struct net_device *dev);

        /* OK this is complementing to data_poll_hard_stop */
        void (*data_hard_resume)(struct net_device *dev);

        /* ask to the driver to retune the radio.
         * This function can sleep. the driver should ensure
         * the radio has been switched before return.
         */
        void (*set_chan)(struct net_device *dev, short ch);

        void (*rtllib_start_hw_scan)(struct net_device *dev);
        void (*rtllib_stop_hw_scan)(struct net_device *dev);

        /* indicate the driver that the link state is changed
         * for example it may indicate the card is associated now.
         * Driver might be interested in this to apply RX filter
         * rules or simply light the LINK led
         */
        void (*link_change)(struct net_device *dev);

        /* these two function indicates to the HW when to start
         * and stop to send beacons. This is used when the
         * IEEE_SOFTMAC_BEACONS is not set. For now the
         * stop_send_bacons is NOT guaranteed to be called only
         * after start_send_beacons.
         */
        void (*start_send_beacons)(struct net_device *dev);
        void (*stop_send_beacons)(struct net_device *dev);

        /* power save mode related */
        void (*sta_wake_up)(struct net_device *dev);
        void (*enter_sleep_state)(struct net_device *dev, u64 time);
        short (*ps_is_queue_empty)(struct net_device *dev);
        int (*handle_beacon)(struct net_device *dev,
                             struct rtllib_beacon *beacon,
                             struct rtllib_network *network);
        int (*handle_assoc_response)(struct net_device *dev,
                                     struct rtllib_assoc_response_frame *resp,
                                     struct rtllib_network *network);


        /* check whether Tx hw resource available */
        short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
        void (*SetBWModeHandler)(struct net_device *dev,
                                 enum ht_channel_width Bandwidth,
                                 enum ht_extchnl_offset Offset);
        bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
        void (*SetWirelessMode)(struct net_device *dev, u8 wireless_mode);
        bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
        u8   (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
        void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
        bool (*SetFwCmdHandler)(struct net_device *dev,
                                enum fw_cmd_io_type FwCmdIO);
        void (*UpdateBeaconInterruptHandler)(struct net_device *dev,
                                             bool start);
        void (*ScanOperationBackupHandler)(struct net_device *dev,
                                           u8 Operation);
        void (*LedControlHandler)(struct net_device *dev,
                                  enum led_ctl_mode LedAction);
        void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);

        void (*AllowAllDestAddrHandler)(struct net_device *dev,
                                        bool bAllowAllDA, bool WriteIntoReg);

        void (*rtllib_ips_leave_wq)(struct net_device *dev);
        void (*rtllib_ips_leave)(struct net_device *dev);
        void (*LeisurePSLeave)(struct net_device *dev);

        /* This must be the last item so that it points to the data
         * allocated beyond this structure by alloc_rtllib
         */
        u8 priv[0];
};

#define IEEE_A      (1<<0)
#define IEEE_B      (1<<1)
#define IEEE_G      (1<<2)
#define IEEE_N_24G                (1<<4)
#define IEEE_N_5G                 (1<<5)
#define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)

/* Generate a 802.11 header */

/* Uses the channel change callback directly
 * instead of [start/stop] scan callbacks
 */
#define IEEE_SOFTMAC_SCAN (1<<2)

/* Perform authentication and association handshake */
#define IEEE_SOFTMAC_ASSOCIATE (1<<3)

/* Generate probe requests */
#define IEEE_SOFTMAC_PROBERQ (1<<4)

/* Generate response to probe requests */
#define IEEE_SOFTMAC_PROBERS (1<<5)

/* The ieee802.11 stack will manage the netif queue
 * wake/stop for the driver, taking care of 802.11
 * fragmentation. See softmac.c for details.
 */
#define IEEE_SOFTMAC_TX_QUEUE (1<<7)

/* Uses only the softmac_data_hard_start_xmit
 * even for TX management frames.
 */
#define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)

/* Generate beacons.  The stack will enqueue beacons
 * to the card
 */
#define IEEE_SOFTMAC_BEACONS (1<<6)


static inline void *rtllib_priv(struct net_device *dev)
{
        return ((struct rtllib_device *)netdev_priv(dev))->priv;
}

static inline int rtllib_is_empty_essid(const char *essid, int essid_len)
{
        /* Single white space is for Linksys APs */
        if (essid_len == 1 && essid[0] == ' ')
                return 1;

        /* Otherwise, if the entire essid is 0, we assume it is hidden */
        while (essid_len) {
                essid_len--;
                if (essid[essid_len] != '\0')
                        return 0;
        }

        return 1;
}

static inline int rtllib_get_hdrlen(u16 fc)
{
        int hdrlen = RTLLIB_3ADDR_LEN;

        switch (WLAN_FC_GET_TYPE(fc)) {
        case RTLLIB_FTYPE_DATA:
                if ((fc & RTLLIB_FCTL_FROMDS) && (fc & RTLLIB_FCTL_TODS))
                        hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */
                if (RTLLIB_QOS_HAS_SEQ(fc))
                        hdrlen += 2; /* QOS ctrl*/
                break;
        case RTLLIB_FTYPE_CTL:
                switch (WLAN_FC_GET_STYPE(fc)) {
                case RTLLIB_STYPE_CTS:
                case RTLLIB_STYPE_ACK:
                        hdrlen = RTLLIB_1ADDR_LEN;
                        break;
                default:
                        hdrlen = RTLLIB_2ADDR_LEN;
                        break;
                }
                break;
        }

        return hdrlen;
}

static inline u8 *rtllib_get_payload(struct rtllib_hdr *hdr)
{
        switch (rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
        case RTLLIB_1ADDR_LEN:
                return ((struct rtllib_hdr_1addr *)hdr)->payload;
        case RTLLIB_2ADDR_LEN:
                return ((struct rtllib_hdr_2addr *)hdr)->payload;
        case RTLLIB_3ADDR_LEN:
                return ((struct rtllib_hdr_3addr *)hdr)->payload;
        case RTLLIB_4ADDR_LEN:
                return ((struct rtllib_hdr_4addr *)hdr)->payload;
        }
        return NULL;
}

static inline int rtllib_is_ofdm_rate(u8 rate)
{
        switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
        case RTLLIB_OFDM_RATE_6MB:
        case RTLLIB_OFDM_RATE_9MB:
        case RTLLIB_OFDM_RATE_12MB:
        case RTLLIB_OFDM_RATE_18MB:
        case RTLLIB_OFDM_RATE_24MB:
        case RTLLIB_OFDM_RATE_36MB:
        case RTLLIB_OFDM_RATE_48MB:
        case RTLLIB_OFDM_RATE_54MB:
                return 1;
        }
        return 0;
}

static inline int rtllib_is_cck_rate(u8 rate)
{
        switch (rate & ~RTLLIB_BASIC_RATE_MASK) {
        case RTLLIB_CCK_RATE_1MB:
        case RTLLIB_CCK_RATE_2MB:
        case RTLLIB_CCK_RATE_5MB:
        case RTLLIB_CCK_RATE_11MB:
                return 1;
        }
        return 0;
}


/* rtllib.c */
void free_rtllib(struct net_device *dev);
struct net_device *alloc_rtllib(int sizeof_priv);

/* rtllib_tx.c */

int rtllib_encrypt_fragment(
        struct rtllib_device *ieee,
        struct sk_buff *frag,
        int hdr_len);

int rtllib_xmit(struct sk_buff *skb,  struct net_device *dev);
void rtllib_txb_free(struct rtllib_txb *);

/* rtllib_rx.c */
int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
              struct rtllib_rx_stats *rx_stats);
void rtllib_rx_probe_rq(struct rtllib_device *ieee,
                        struct sk_buff *skb);
int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);

/* rtllib_wx.c */
int rtllib_wx_get_scan(struct rtllib_device *ieee,
                       struct iw_request_info *info,
                       union iwreq_data *wrqu, char *key);
int rtllib_wx_set_encode(struct rtllib_device *ieee,
                         struct iw_request_info *info,
                         union iwreq_data *wrqu, char *key);
int rtllib_wx_get_encode(struct rtllib_device *ieee,
                         struct iw_request_info *info,
                         union iwreq_data *wrqu, char *key);
int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra);
int rtllib_wx_set_auth(struct rtllib_device *ieee,
                       struct iw_request_info *info,
                       struct iw_param *data, char *extra);
int rtllib_wx_set_mlme(struct rtllib_device *ieee,
                       struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra);
int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len);

/* rtllib_softmac.c */
int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
                            struct rtllib_rx_stats *rx_stats, u16 type,
                            u16 stype);
void rtllib_softmac_new_net(struct rtllib_device *ieee,
                            struct rtllib_network *net);

void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);

void rtllib_stop_send_beacons(struct rtllib_device *ieee);
void notify_wx_assoc_event(struct rtllib_device *ieee);
void rtllib_start_ibss(struct rtllib_device *ieee);
void rtllib_softmac_init(struct rtllib_device *ieee);
void rtllib_softmac_free(struct rtllib_device *ieee);
void rtllib_disassociate(struct rtllib_device *ieee);
void rtllib_stop_scan(struct rtllib_device *ieee);
bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr);
void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee);
void rtllib_start_protocol(struct rtllib_device *ieee);
void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown);

void rtllib_EnableNetMonitorMode(struct net_device *dev, bool bInitState);
void rtllib_DisableNetMonitorMode(struct net_device *dev, bool bInitState);
void rtllib_EnableIntelPromiscuousMode(struct net_device *dev, bool bInitState);

void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
                                        bool bInitState);
void rtllib_softmac_stop_protocol(struct rtllib_device *ieee,
                                  u8 mesh_flag, u8 shutdown);
void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag);

void rtllib_reset_queue(struct rtllib_device *ieee);
void rtllib_wake_all_queues(struct rtllib_device *ieee);
void rtllib_stop_all_queues(struct rtllib_device *ieee);
struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
void rtllib_start_send_beacons(struct rtllib_device *ieee);
void rtllib_stop_send_beacons(struct rtllib_device *ieee);

void notify_wx_assoc_event(struct rtllib_device *ieee);
void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success);

void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee);
u8 rtllib_ap_sec_type(struct rtllib_device *ieee);

/* rtllib_softmac_wx.c */

int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info,
                      union iwreq_data *wrqu, char *ext);

int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info,
                      union iwreq_data *awrq, char *extra);

int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
                        union iwreq_data *wrqu, char *b);

int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra);

int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra);

int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
                       union iwreq_data *wrqu, char *b);

int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
                       union iwreq_data *wrqu, char *b);

int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a,
                        union iwreq_data *wrqu, char *extra);

int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
                       union iwreq_data *wrqu, char *b);

int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
                       union iwreq_data *wrqu, char *b);

int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a,
                       union iwreq_data *wrqu, char *b);
void rtllib_wx_sync_scan_wq(void *data);

int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
                        struct iw_request_info *info,
                        union iwreq_data *wrqu, char *extra);

int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra);

int rtllib_wx_set_power(struct rtllib_device *ieee,
                        struct iw_request_info *info,
                        union iwreq_data *wrqu, char *extra);

int rtllib_wx_get_power(struct rtllib_device *ieee,
                        struct iw_request_info *info,
                        union iwreq_data *wrqu, char *extra);

int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info,
                      union iwreq_data *wrqu, char *extra);

int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info,
                      union iwreq_data *wrqu, char *extra);
#define MAX_RECEIVE_BUFFER_SIZE 9100

void HTSetConnectBwMode(struct rtllib_device *ieee,
                        enum ht_channel_width Bandwidth,
                        enum ht_extchnl_offset Offset);
void HTUpdateDefaultSetting(struct rtllib_device *ieee);
void HTConstructCapabilityElement(struct rtllib_device *ieee,
                                  u8 *posHTCap, u8 *len,
                                  u8 isEncrypt, bool bAssoc);
void HTConstructInfoElement(struct rtllib_device *ieee,
                            u8 *posHTInfo, u8 *len, u8 isEncrypt);
void HTConstructRT2RTAggElement(struct rtllib_device *ieee,
                                u8 *posRT2RTAgg, u8 *len);
void HTOnAssocRsp(struct rtllib_device *ieee);
void HTInitializeHTInfo(struct rtllib_device *ieee);
void HTInitializeBssDesc(struct bss_ht *pBssHT);
void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
                                   struct rtllib_network *pNetwork);
void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
                                     struct rtllib_network *pNetwork);
u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
                       u8 *pMCSFilter);
extern u8 MCS_FILTER_ALL[];
extern u16 MCS_DATA_RATE[2][2][77];
u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame);
void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo);
bool IsHTHalfNmodeAPs(struct rtllib_device *ieee);
u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate);
int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
                 u8 Policy, u8 bOverwritePending);
void TsInitDelBA(struct rtllib_device *ieee,
                 struct ts_common_info *pTsCommonInfo,
                 enum tr_select TxRxSelect);
void BaSetupTimeOut(struct timer_list *t);
void TxBaInactTimeout(struct timer_list *t);
void RxBaInactTimeout(struct timer_list *t);
void ResetBaEntry(struct ba_record *pBA);
bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
           u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
void TSInitialize(struct rtllib_device *ieee);
void TsStartAddBaProcess(struct rtllib_device *ieee,
                         struct tx_ts_record *pTxTS);
void RemovePeerTS(struct rtllib_device *ieee, u8 *Addr);
void RemoveAllTS(struct rtllib_device *ieee);

extern const long rtllib_wlan_frequencies[];

static inline const char *escape_essid(const char *essid, u8 essid_len)
{
        static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];

        if (rtllib_is_empty_essid(essid, essid_len)) {
                memcpy(escaped, "<hidden>", sizeof("<hidden>"));
                return escaped;
        }

        snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
        return escaped;
}

/* fun with the built-in rtllib stack... */
bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);


/* For the function is more related to hardware setting, it's better to use the
 * ieee handler to refer to it.
 */
void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
                                 struct rx_ts_record *pTS);
int rtllib_parse_info_param(struct rtllib_device *ieee,
                            struct rtllib_info_element *info_element,
                            u16 length,
                            struct rtllib_network *network,
                            struct rtllib_rx_stats *stats);

void rtllib_indicate_packets(struct rtllib_device *ieee,
                             struct rtllib_rxb **prxbIndicateArray, u8  index);
void HTUseDefaultSetting(struct rtllib_device *ieee);
#define RT_ASOC_RETRY_LIMIT     5
u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);

#endif /* RTLLIB_H */