CORE/HDD/src/wlan_hdd_cfg80211.c

/*
 * Copyright (c) 2012, The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/**========================================================================

  \file  wlan_hdd_cfg80211.c

  \brief WLAN Host Device Driver implementation

  Copyright 2008 (c) Qualcomm, Incorporated.  All Rights Reserved.

  Qualcomm Confidential and Proprietary.

  ========================================================================*/

/**========================================================================= 

  EDIT HISTORY FOR FILE 


  This section contains comments describing changes made to the module. 
  Notice that changes are listed in reverse chronological order. 


  $Header:$   $DateTime: $ $Author: $ 


  when        who            what, where, why 
  --------    ---            --------------------------------------------------------
 21/12/09     Ashwani        Created module.  

 07/06/10     Kumar Deepak   Implemented cfg80211 callbacks for ANDROID
              Ganesh K       
  ==========================================================================*/

#ifdef CONFIG_CFG80211

#include <linux/version.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/wireless.h>
#include <wlan_hdd_includes.h>
#include <net/arp.h>
#include <net/cfg80211.h>
#include <linux/wireless.h>
#include <wlan_hdd_wowl.h>
#include <aniGlobal.h>
#include "ccmApi.h"
#include "sirParams.h"
#include "dot11f.h"
#include "wlan_hdd_assoc.h"
#include "wlan_hdd_wext.h"
#include "sme_Api.h"
#include "wlan_hdd_p2p.h"
#include "wlan_hdd_cfg80211.h"
#include "wlan_hdd_hostapd.h"
#include "sapInternal.h"
#include "wlan_hdd_softap_tx_rx.h"
#include "wlan_hdd_main.h"
#include "wlan_hdd_assoc.h"
#ifdef WLAN_BTAMP_FEATURE
#include "bap_hdd_misc.h"
#endif
#include <qc_sap_ioctl.h>
#ifdef FEATURE_WLAN_TDLS
#include "wlan_hdd_tdls.h"
#endif

#define g_mode_rates_size (12)
#define a_mode_rates_size (8)
#define FREQ_BASE_80211G          (2407)
#define FREQ_BAND_DIFF_80211G     (5)
#define MAX_SCAN_SSID 9
#define GET_IE_LEN_IN_BSS_DESC(lenInBss) ( lenInBss + sizeof(lenInBss) - \
        ((int) OFFSET_OF( tSirBssDescription, ieFields)))

#define HDD2GHZCHAN(freq, chan, flag)   {     \
    .band =  IEEE80211_BAND_2GHZ, \
    .center_freq = (freq), \
    .hw_value = (chan),\
    .flags = (flag), \
    .max_antenna_gain = 0 ,\
    .max_power = 30, \
}

#define HDD5GHZCHAN(freq, chan, flag)   {     \
    .band =  IEEE80211_BAND_5GHZ, \
    .center_freq = (freq), \
    .hw_value = (chan),\
    .flags = (flag), \
    .max_antenna_gain = 0 ,\
    .max_power = 30, \
}

#define HDD_G_MODE_RATETAB(rate, rate_id, flag)\
{\
    .bitrate = rate, \
    .hw_value = rate_id, \
    .flags = flag, \
}

static const u32 hdd_cipher_suites[] = 
{
    WLAN_CIPHER_SUITE_WEP40,
    WLAN_CIPHER_SUITE_WEP104,
    WLAN_CIPHER_SUITE_TKIP,
#ifdef FEATURE_WLAN_CCX
#define WLAN_CIPHER_SUITE_KRK 0x004096ff /* use for KRK */
    WLAN_CIPHER_SUITE_KRK,
    WLAN_CIPHER_SUITE_CCMP,
#else
    WLAN_CIPHER_SUITE_CCMP,
#endif
#ifdef FEATURE_WLAN_WAPI
    WLAN_CIPHER_SUITE_SMS4,
#endif
};

static inline int is_broadcast_ether_addr(const u8 *addr)
{
    return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&
            (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
}

static struct ieee80211_channel hdd_channels_2_4_GHZ[] =
{  
    HDD2GHZCHAN(2412, 1, 0) ,
    HDD2GHZCHAN(2417, 2, 0) ,
    HDD2GHZCHAN(2422, 3, 0) ,
    HDD2GHZCHAN(2427, 4, 0) ,
    HDD2GHZCHAN(2432, 5, 0) ,
    HDD2GHZCHAN(2437, 6, 0) ,
    HDD2GHZCHAN(2442, 7, 0) ,
    HDD2GHZCHAN(2447, 8, 0) ,
    HDD2GHZCHAN(2452, 9, 0) ,
    HDD2GHZCHAN(2457, 10, 0) ,
    HDD2GHZCHAN(2462, 11, 0) ,
    HDD2GHZCHAN(2467, 12, 0) ,
    HDD2GHZCHAN(2472, 13, 0) ,
    HDD2GHZCHAN(2484, 14, 0) ,
};

#ifdef WLAN_FEATURE_P2P
static struct ieee80211_channel hdd_social_channels_2_4_GHZ[] =
{
    HDD2GHZCHAN(2412, 1, 0) ,
    HDD2GHZCHAN(2437, 6, 0) ,
    HDD2GHZCHAN(2462, 11, 0) ,
};
#endif

static struct ieee80211_channel hdd_channels_5_GHZ[] =
{
    HDD5GHZCHAN(4920, 240, 0) ,
    HDD5GHZCHAN(4940, 244, 0) ,
    HDD5GHZCHAN(4960, 248, 0) ,
    HDD5GHZCHAN(4980, 252, 0) ,
    HDD5GHZCHAN(5040, 208, 0) ,
    HDD5GHZCHAN(5060, 212, 0) ,
    HDD5GHZCHAN(5080, 216, 0) ,
    HDD5GHZCHAN(5180, 36, 0) ,
    HDD5GHZCHAN(5200, 40, 0) ,
    HDD5GHZCHAN(5220, 44, 0) ,
    HDD5GHZCHAN(5240, 48, 0) ,
    HDD5GHZCHAN(5260, 52, 0) ,
    HDD5GHZCHAN(5280, 56, 0) ,
    HDD5GHZCHAN(5300, 60, 0) ,
    HDD5GHZCHAN(5320, 64, 0) ,
    HDD5GHZCHAN(5500,100, 0) ,
    HDD5GHZCHAN(5520,104, 0) ,
    HDD5GHZCHAN(5540,108, 0) ,
    HDD5GHZCHAN(5560,112, 0) ,
    HDD5GHZCHAN(5580,116, 0) ,
    HDD5GHZCHAN(5600,120, 0) ,
    HDD5GHZCHAN(5620,124, 0) ,
    HDD5GHZCHAN(5640,128, 0) ,
    HDD5GHZCHAN(5660,132, 0) ,
    HDD5GHZCHAN(5680,136, 0) ,
    HDD5GHZCHAN(5700,140, 0) ,
    HDD5GHZCHAN(5745,149, 0) ,
    HDD5GHZCHAN(5765,153, 0) ,
    HDD5GHZCHAN(5785,157, 0) ,
    HDD5GHZCHAN(5805,161, 0) ,
    HDD5GHZCHAN(5825,165, 0) ,
};

static struct ieee80211_rate g_mode_rates[] =
{
    HDD_G_MODE_RATETAB(10, 0x1, 0),    
    HDD_G_MODE_RATETAB(20, 0x2, 0),    
    HDD_G_MODE_RATETAB(55, 0x4, 0),    
    HDD_G_MODE_RATETAB(110, 0x8, 0),    
    HDD_G_MODE_RATETAB(60, 0x10, 0),    
    HDD_G_MODE_RATETAB(90, 0x20, 0),    
    HDD_G_MODE_RATETAB(120, 0x40, 0),    
    HDD_G_MODE_RATETAB(180, 0x80, 0),    
    HDD_G_MODE_RATETAB(240, 0x100, 0),    
    HDD_G_MODE_RATETAB(360, 0x200, 0),    
    HDD_G_MODE_RATETAB(480, 0x400, 0),    
    HDD_G_MODE_RATETAB(540, 0x800, 0),
};   

static struct ieee80211_rate a_mode_rates[] =
{
    HDD_G_MODE_RATETAB(60, 0x10, 0),    
    HDD_G_MODE_RATETAB(90, 0x20, 0),    
    HDD_G_MODE_RATETAB(120, 0x40, 0),    
    HDD_G_MODE_RATETAB(180, 0x80, 0),    
    HDD_G_MODE_RATETAB(240, 0x100, 0),    
    HDD_G_MODE_RATETAB(360, 0x200, 0),    
    HDD_G_MODE_RATETAB(480, 0x400, 0),    
    HDD_G_MODE_RATETAB(540, 0x800, 0),
};

static struct ieee80211_supported_band wlan_hdd_band_2_4_GHZ =
{
    .channels = hdd_channels_2_4_GHZ,
    .n_channels = ARRAY_SIZE(hdd_channels_2_4_GHZ),
    .band       = IEEE80211_BAND_2GHZ,
    .bitrates = g_mode_rates,
    .n_bitrates = g_mode_rates_size,
    .ht_cap.ht_supported   = 1,
    .ht_cap.cap            =  IEEE80211_HT_CAP_SGI_20
                            | IEEE80211_HT_CAP_GRN_FLD
                            | IEEE80211_HT_CAP_DSSSCCK40
                            | IEEE80211_HT_CAP_LSIG_TXOP_PROT,
    .ht_cap.ampdu_factor   = IEEE80211_HT_MAX_AMPDU_64K,
    .ht_cap.ampdu_density  = IEEE80211_HT_MPDU_DENSITY_16,
    .ht_cap.mcs.rx_mask    = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
    .ht_cap.mcs.rx_highest = cpu_to_le16( 72 ),
    .ht_cap.mcs.tx_params  = IEEE80211_HT_MCS_TX_DEFINED,
};

#ifdef WLAN_FEATURE_P2P
static struct ieee80211_supported_band wlan_hdd_band_p2p_2_4_GHZ =
{
    .channels = hdd_social_channels_2_4_GHZ,
    .n_channels = ARRAY_SIZE(hdd_social_channels_2_4_GHZ),
    .band       = IEEE80211_BAND_2GHZ,
    .bitrates = g_mode_rates,
    .n_bitrates = g_mode_rates_size,
    .ht_cap.ht_supported   = 1,
    .ht_cap.cap            =  IEEE80211_HT_CAP_SGI_20
                            | IEEE80211_HT_CAP_GRN_FLD
                            | IEEE80211_HT_CAP_DSSSCCK40
                            | IEEE80211_HT_CAP_LSIG_TXOP_PROT,
    .ht_cap.ampdu_factor   = IEEE80211_HT_MAX_AMPDU_64K,
    .ht_cap.ampdu_density  = IEEE80211_HT_MPDU_DENSITY_16,
    .ht_cap.mcs.rx_mask    = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
    .ht_cap.mcs.rx_highest = cpu_to_le16( 72 ),
    .ht_cap.mcs.tx_params  = IEEE80211_HT_MCS_TX_DEFINED,
};
#endif

static struct ieee80211_supported_band wlan_hdd_band_5_GHZ =
{
    .channels = hdd_channels_5_GHZ,
    .n_channels = ARRAY_SIZE(hdd_channels_5_GHZ),
    .band     = IEEE80211_BAND_5GHZ,
    .bitrates = a_mode_rates,
    .n_bitrates = a_mode_rates_size,
    .ht_cap.ht_supported   = 1,
    .ht_cap.cap            =  IEEE80211_HT_CAP_SGI_20
                            | IEEE80211_HT_CAP_GRN_FLD
                            | IEEE80211_HT_CAP_DSSSCCK40
                            | IEEE80211_HT_CAP_LSIG_TXOP_PROT
                            | IEEE80211_HT_CAP_SGI_40
                            | IEEE80211_HT_CAP_SUP_WIDTH_20_40,
    .ht_cap.ampdu_factor   = IEEE80211_HT_MAX_AMPDU_64K,
    .ht_cap.ampdu_density  = IEEE80211_HT_MPDU_DENSITY_16,
    .ht_cap.mcs.rx_mask    = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
    .ht_cap.mcs.rx_highest = cpu_to_le16( 72 ),
    .ht_cap.mcs.tx_params  = IEEE80211_HT_MCS_TX_DEFINED,
};

/* This structure contain information what kind of frame are expected in 
     TX/RX direction for each kind of interface */
static const struct ieee80211_txrx_stypes
wlan_hdd_txrx_stypes[NUM_NL80211_IFTYPES] = {
    [NL80211_IFTYPE_STATION] = {
        .tx = 0xffff,
        .rx = BIT(SIR_MAC_MGMT_ACTION) |
            BIT(SIR_MAC_MGMT_PROBE_REQ),
    },
    [NL80211_IFTYPE_AP] = {
        .tx = 0xffff,
        .rx = BIT(SIR_MAC_MGMT_ASSOC_REQ) |
            BIT(SIR_MAC_MGMT_REASSOC_REQ) |
            BIT(SIR_MAC_MGMT_PROBE_REQ) |
            BIT(SIR_MAC_MGMT_DISASSOC) |
            BIT(SIR_MAC_MGMT_AUTH) |
            BIT(SIR_MAC_MGMT_DEAUTH) |
            BIT(SIR_MAC_MGMT_ACTION),
    },
#ifdef WLAN_FEATURE_P2P    
    [NL80211_IFTYPE_P2P_CLIENT] = {
        .tx = 0xffff,
        .rx = BIT(SIR_MAC_MGMT_ACTION) |
            BIT(SIR_MAC_MGMT_PROBE_REQ),
    },
    [NL80211_IFTYPE_P2P_GO] = {
        /* This is also same as for SoftAP */
        .tx = 0xffff,
        .rx = BIT(SIR_MAC_MGMT_ASSOC_REQ) |
            BIT(SIR_MAC_MGMT_REASSOC_REQ) |
            BIT(SIR_MAC_MGMT_PROBE_REQ) |
            BIT(SIR_MAC_MGMT_DISASSOC) |
            BIT(SIR_MAC_MGMT_AUTH) |
            BIT(SIR_MAC_MGMT_DEAUTH) |
            BIT(SIR_MAC_MGMT_ACTION),
    },
#endif    
};

static struct cfg80211_ops wlan_hdd_cfg80211_ops;

/* Data rate 100KBPS based on IE Index */
struct index_data_rate_type
{
   v_U8_t   beacon_rate_index;
   v_U16_t  supported_rate[4];
};

/* 11B, 11G Rate table include Basic rate and Extended rate
   The IDX field is the rate index
   The HI field is the rate when RSSI is strong or being ignored
    (in this case we report actual rate)
   The MID field is the rate when RSSI is moderate
    (in this case we cap 11b rates at 5.5 and 11g rates at 24)
   The LO field is the rate when RSSI is low
    (in this case we don't report rates, actual current rate used)
 */
static const struct
{
   v_U8_t   beacon_rate_index;
   v_U16_t  supported_rate[4];
} supported_data_rate[] =
{
/* IDX     HI  HM  LM LO (RSSI-based index */
   {2,   { 10,  10, 10, 0}},
   {4,   { 20,  20, 10, 0}},
   {11,  { 55,  20, 10, 0}},
   {12,  { 60,  55, 20, 0}},
   {18,  { 90,  55, 20, 0}},
   {22,  {110,  55, 20, 0}},
   {24,  {120,  90, 60, 0}},
   {36,  {180, 120, 60, 0}},
   {44,  {220, 180, 60, 0}},
   {48,  {240, 180, 90, 0}},
   {66,  {330, 180, 90, 0}},
   {72,  {360, 240, 90, 0}},
   {96,  {480, 240, 120, 0}},
   {108, {540, 240, 120, 0}}
};

/* MCS Based rate table */
static struct index_data_rate_type supported_mcs_rate[] =
{
/* MCS  L20   L40   S20  S40 */
   {0,  {65,  135,  72,  150}},
   {1,  {130, 270,  144, 300}},
   {2,  {195, 405,  217, 450}},
   {3,  {260, 540,  289, 600}},
   {4,  {390, 810,  433, 900}},
   {5,  {520, 1080, 578, 1200}},
   {6,  {585, 1215, 650, 1350}},
   {7,  {650, 1350, 722, 1500}}
};

extern struct net_device_ops net_ops_struct;

/*
 * FUNCTION: wlan_hdd_cfg80211_init
 * This function is called by hdd_wlan_startup() 
 * during initialization. 
 * This function is used to initialize and register wiphy structure.
 */
struct wiphy *wlan_hdd_cfg80211_init(int priv_size)
{
    struct wiphy *wiphy;
    ENTER();

    /* 
     *   Create wiphy device 
     */
    wiphy = wiphy_new(&wlan_hdd_cfg80211_ops, priv_size);

    if (!wiphy)
    {
        /* Print error and jump into err label and free the memory */
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: wiphy init failed", __func__);
        return NULL;
    }

    return wiphy;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_update_band
 * This function is called from the supplicant through a 
 * private ioctl to change the band value
 */
int wlan_hdd_cfg80211_update_band(struct wiphy *wiphy, eCsrBand eBand)
{
    ENTER();
    switch(eBand)
    {
        case eCSR_BAND_24:
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_2_4_GHZ;
            wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
            break;
        case eCSR_BAND_5G:
#ifdef WLAN_FEATURE_P2P
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_p2p_2_4_GHZ;
#else
            wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
#endif
            wiphy->bands[IEEE80211_BAND_5GHZ] = &wlan_hdd_band_5_GHZ;
            break;
        case eCSR_BAND_ALL:
        default:
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_2_4_GHZ;
            wiphy->bands[IEEE80211_BAND_5GHZ] = &wlan_hdd_band_5_GHZ;
    }
    return 0;
}
/*
 * FUNCTION: wlan_hdd_cfg80211_init
 * This function is called by hdd_wlan_startup() 
 * during initialization. 
 * This function is used to initialize and register wiphy structure.
 */
int wlan_hdd_cfg80211_register(struct device *dev, 
                               struct wiphy *wiphy,
                               hdd_config_t *pCfg
                               )
{
    ENTER();

    /* Now bind the underlying wlan device with wiphy */
    set_wiphy_dev(wiphy, dev);

    wiphy->mgmt_stypes = wlan_hdd_txrx_stypes;

    wiphy->flags |=   WIPHY_FLAG_CUSTOM_REGULATORY;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
    wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME
                 |  WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
                 |  WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
                    | WIPHY_FLAG_OFFCHAN_TX;
#endif
#ifdef FEATURE_WLAN_TDLS
    wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS
                 |  WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
#endif

    /* even with WIPHY_FLAG_CUSTOM_REGULATORY,
       driver can still register regulatory callback and
       it will get CRDA setting in wiphy->band[], but
       driver need to determine what to do with both
       regulatory settings */
    wiphy->reg_notifier = wlan_hdd_crda_reg_notifier;

    wiphy->max_scan_ssids = MAX_SCAN_SSID; 
    
    wiphy->max_scan_ie_len = 200 ; //TODO: define a macro

    /* Supports STATION & AD-HOC modes right now */
    wiphy->interface_modes =   BIT(NL80211_IFTYPE_STATION) 
                             | BIT(NL80211_IFTYPE_ADHOC)
#ifdef WLAN_FEATURE_P2P
                             | BIT(NL80211_IFTYPE_P2P_CLIENT)
                             | BIT(NL80211_IFTYPE_P2P_GO)
#endif                       
                             | BIT(NL80211_IFTYPE_AP);

    /* Before registering we need to update the ht capabilitied based
     * on ini values*/
    if( !pCfg->ShortGI20MhzEnable )
    {
        wlan_hdd_band_2_4_GHZ.ht_cap.cap     &= ~IEEE80211_HT_CAP_SGI_20;
        wlan_hdd_band_5_GHZ.ht_cap.cap       &= ~IEEE80211_HT_CAP_SGI_20;
        wlan_hdd_band_p2p_2_4_GHZ.ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_20;
    }

    if( !pCfg->ShortGI40MhzEnable )
    {
        wlan_hdd_band_5_GHZ.ht_cap.cap       &= ~IEEE80211_HT_CAP_SGI_40;
    }

    if( !pCfg->nChannelBondingMode5GHz )
    {
        wlan_hdd_band_5_GHZ.ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
    }

    /*Initialize band capability*/
    switch(pCfg->nBandCapability)
    {
        case eCSR_BAND_24:
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_2_4_GHZ;
            break;
        case eCSR_BAND_5G:
#ifdef WLAN_FEATURE_P2P
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_p2p_2_4_GHZ;
#endif
            wiphy->bands[IEEE80211_BAND_5GHZ] = &wlan_hdd_band_5_GHZ;
            break;
        case eCSR_BAND_ALL:
        default:
            wiphy->bands[IEEE80211_BAND_2GHZ] = &wlan_hdd_band_2_4_GHZ;
            wiphy->bands[IEEE80211_BAND_5GHZ] = &wlan_hdd_band_5_GHZ;
    }
    /*Initialise the supported cipher suite details*/
    wiphy->cipher_suites = hdd_cipher_suites;
    wiphy->n_cipher_suites = ARRAY_SIZE(hdd_cipher_suites);

    /*signal strength in mBm (100*dBm) */
    wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
#ifdef WLAN_FEATURE_P2P
    wiphy->max_remain_on_channel_duration = 1000;
#endif
#endif

    /* Register our wiphy dev with cfg80211 */
    if (0 > wiphy_register(wiphy))
    {
        /* print eror */
        hddLog(VOS_TRACE_LEVEL_ERROR,"%s: wiphy register failed", __func__);
        return -EIO;
    }

    EXIT();
    return 0;
}     

/* In this function we will try to get default country code from crda.
   If the gCrdaDefaultCountryCode is configured in ini file,
   we will try to call user space crda to get the regulatory settings for
   that country. We will timeout if we can't get it from crda.
   It's called by hdd_wlan_startup() after wlan_hdd_cfg80211_register.
*/
int wlan_hdd_get_crda_regd_entry(struct wiphy *wiphy, hdd_config_t *pCfg)
{
   hdd_context_t *pHddCtx = wiphy_priv(wiphy);
   if (memcmp(pCfg->crdaDefaultCountryCode,
              CFG_CRDA_DEFAULT_COUNTRY_CODE_DEFAULT , 2) != 0)
   {
      init_completion(&pHddCtx->driver_crda_req);
      regulatory_hint(wiphy, pCfg->crdaDefaultCountryCode);
      wait_for_completion_interruptible_timeout(&pHddCtx->driver_crda_req,
        CRDA_WAIT_TIME);
   }
   return 0;
}

/* In this function we will do all post VOS start initialization.
   In this function we will register for all frame in which supplicant
   is interested. 
*/
void wlan_hdd_cfg80211_post_voss_start(hdd_adapter_t* pAdapter)
{
#ifdef WLAN_FEATURE_P2P
    tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
    /* Register for all P2P action, public action etc frames */
    v_U16_t type = (SIR_MAC_MGMT_FRAME << 2) | ( SIR_MAC_MGMT_ACTION << 4);

    ENTER();

   /* Right now we are registering these frame when driver is getting
      initialized. Once we will move to 2.6.37 kernel, in which we have
      frame register ops, we will move this code as a part of that */
    /* GAS Initial Request */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type, 
                         (v_U8_t*)GAS_INITIAL_REQ, GAS_INITIAL_REQ_SIZE );

    /* GAS Initial Response */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_INITIAL_RSP, GAS_INITIAL_RSP_SIZE );
    
    /* GAS Comeback Request */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_COMEBACK_REQ, GAS_COMEBACK_REQ_SIZE );

    /* GAS Comeback Response */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_COMEBACK_RSP, GAS_COMEBACK_RSP_SIZE );

    /* P2P Public Action */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)P2P_PUBLIC_ACTION_FRAME, 
                                  P2P_PUBLIC_ACTION_FRAME_SIZE );

    /* P2P Action */
    sme_RegisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)P2P_ACTION_FRAME,
                                  P2P_ACTION_FRAME_SIZE );
#endif /* WLAN_FEATURE_P2P */
}

void wlan_hdd_cfg80211_pre_voss_stop(hdd_adapter_t* pAdapter)
{
#ifdef WLAN_FEATURE_P2P
    tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
    /* Register for all P2P action, public action etc frames */
    v_U16_t type = (SIR_MAC_MGMT_FRAME << 2) | ( SIR_MAC_MGMT_ACTION << 4);

    ENTER();

   /* Right now we are registering these frame when driver is getting
      initialized. Once we will move to 2.6.37 kernel, in which we have
      frame register ops, we will move this code as a part of that */
    /* GAS Initial Request */

    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                          (v_U8_t*)GAS_INITIAL_REQ, GAS_INITIAL_REQ_SIZE );

    /* GAS Initial Response */
    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_INITIAL_RSP, GAS_INITIAL_RSP_SIZE );
    
    /* GAS Comeback Request */
    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_COMEBACK_REQ, GAS_COMEBACK_REQ_SIZE );

    /* GAS Comeback Response */
    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)GAS_COMEBACK_RSP, GAS_COMEBACK_RSP_SIZE );

    /* P2P Public Action */
    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)P2P_PUBLIC_ACTION_FRAME, 
                                  P2P_PUBLIC_ACTION_FRAME_SIZE );

    /* P2P Action */
    sme_DeregisterMgmtFrame(hHal, pAdapter->sessionId, type,
                         (v_U8_t*)P2P_ACTION_FRAME,
                                  P2P_ACTION_FRAME_SIZE );
#endif /* WLAN_FEATURE_P2P */
}

#ifdef FEATURE_WLAN_WAPI
void wlan_hdd_cfg80211_set_key_wapi(hdd_adapter_t* pAdapter, u8 key_index,
                                     const u8 *mac_addr, u8 *key , int key_Len)
{
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
    tCsrRoamSetKey  setKey;
    v_BOOL_t isConnected = TRUE;
    int status = 0;
    v_U32_t roamId= 0xFF;
    tANI_U8 *pKeyPtr = NULL;
    int n = 0;

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                                        __func__,pAdapter->device_mode);

    setKey.keyId = key_index; // Store Key ID
    setKey.encType  = eCSR_ENCRYPT_TYPE_WPI; // SET WAPI Encryption
    setKey.keyDirection = eSIR_TX_RX;  // Key Directionn both TX and RX
    setKey.paeRole = 0 ; // the PAE role
    if (!mac_addr || is_broadcast_ether_addr(mac_addr))
    {
        vos_set_macaddr_broadcast( (v_MACADDR_t *)setKey.peerMac );
    }
    else
    {
        isConnected = hdd_connIsConnected(pHddStaCtx);
        vos_mem_copy(setKey.peerMac,&pHddStaCtx->conn_info.bssId,WNI_CFG_BSSID_LEN);
    }
    setKey.keyLength = key_Len;
    pKeyPtr = setKey.Key;
    memcpy( pKeyPtr, key, key_Len);

    hddLog(VOS_TRACE_LEVEL_INFO,"\n%s: WAPI KEY LENGTH:0x%04x",
                                            __func__, key_Len);
    for (n = 0 ; n < key_Len; n++)
        hddLog(VOS_TRACE_LEVEL_INFO, "%s WAPI KEY Data[%d]:%02x ",
                                           __func__,n,setKey.Key[n]);

    pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_SETTING_KEY;
    if ( isConnected )
    {
        status= sme_RoamSetKey( WLAN_HDD_GET_HAL_CTX(pAdapter),
                             pAdapter->sessionId, &setKey, &roamId );
    }
    if ( status != 0 )
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                  "[%4d] sme_RoamSetKey returned ERROR status= %d",
                                                __LINE__, status );
        pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_NONE;
    }
}
#endif /* FEATURE_WLAN_WAPI*/

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
int wlan_hdd_cfg80211_alloc_new_beacon(hdd_adapter_t *pAdapter, 
                                       beacon_data_t **ppBeacon,
                                       struct beacon_parameters *params)
#else
int wlan_hdd_cfg80211_alloc_new_beacon(hdd_adapter_t *pAdapter, 
                                       beacon_data_t **ppBeacon,
                                       struct cfg80211_beacon_data *params,
                                       int dtim_period)
#endif
{    
    int size;
    beacon_data_t *beacon = NULL;
    beacon_data_t *old = NULL;
    int head_len,tail_len;

    ENTER();
    if (params->head && !params->head_len)
        return -EINVAL;

    old = pAdapter->sessionCtx.ap.beacon;

    if (!params->head && !old)
        return -EINVAL;

    if (params->tail && !params->tail_len)
        return -EINVAL;

#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,38))
    /* Kernel 3.0 is not updating dtim_period for set beacon */
    if (!params->dtim_period)
        return -EINVAL;
#endif

    if(params->head)
        head_len = params->head_len;
    else
        head_len = old->head_len;

    if(params->tail || !old)
        tail_len = params->tail_len;
    else
        tail_len = old->tail_len;

    size = sizeof(beacon_data_t) + head_len + tail_len;

    beacon = kzalloc(size, GFP_KERNEL);

    if( beacon == NULL )
        return -ENOMEM;

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
    if(params->dtim_period || !old )
        beacon->dtim_period = params->dtim_period;
    else
        beacon->dtim_period = old->dtim_period;
#else
    if(dtim_period || !old )
        beacon->dtim_period = dtim_period;
    else
        beacon->dtim_period = old->dtim_period;
#endif
 
    beacon->head = ((u8 *) beacon) + sizeof(beacon_data_t);
    beacon->tail = beacon->head + head_len;
    beacon->head_len = head_len;
    beacon->tail_len = tail_len;

    if(params->head) {
        memcpy (beacon->head,params->head,beacon->head_len);
    }
    else { 
        if(old)
            memcpy (beacon->head,old->head,beacon->head_len);
    }
    
    if(params->tail) {
        memcpy (beacon->tail,params->tail,beacon->tail_len);
    }
    else {
       if(old)   
           memcpy (beacon->tail,old->tail,beacon->tail_len);
    }

    *ppBeacon = beacon;

    kfree(old);

    return 0;

}

v_U8_t* wlan_hdd_cfg80211_get_ie_ptr(v_U8_t *pIes, int length, v_U8_t eid)
{
    int left = length;
    v_U8_t *ptr = pIes;
    v_U8_t elem_id,elem_len;
   
    while(left >= 2)
    {   
        elem_id  =  ptr[0];
        elem_len =  ptr[1];
        left -= 2;
        if(elem_len > left)
        {
            hddLog(VOS_TRACE_LEVEL_FATAL,
                    FL("****Invalid IEs eid = %d elem_len=%d left=%d*****"),
                                                    eid,elem_len,left);
            return NULL;
        }
        if (elem_id == eid) 
        {
            return ptr;
        }
   
        left -= elem_len;
        ptr += (elem_len + 2);
    }
    return NULL;
}

/* Check if rate is 11g rate or not */
static int wlan_hdd_rate_is_11g(u8 rate)
{
    u8 gRateArray[8] = {12, 18, 24, 36, 48, 72, 96, 104}; /* actual rate * 2 */
    u8 i;
    for (i = 0; i < 8; i++)
    {
        if(rate == gRateArray[i])
            return TRUE;
    }
    return FALSE;
}

/* Check for 11g rate and set proper 11g only mode */
static void wlan_hdd_check_11gmode(u8 *pIe, u8* require_ht,
                     u8* pCheckRatesfor11g, eSapPhyMode* pSapHw_mode)
{
    u8 i, num_rates = pIe[0];

    pIe += 1;
    for ( i = 0; i < num_rates; i++)
    {
        if( *pCheckRatesfor11g && (TRUE == wlan_hdd_rate_is_11g(pIe[i] & RATE_MASK)))
        {
            /* If rate set have 11g rate than change the mode to 11G */
            *pSapHw_mode = eSAP_DOT11_MODE_11g;
            if (pIe[i] & BASIC_RATE_MASK)
            {
                /* If we have 11g rate as  basic rate, it means mode
                   is 11g only mode.
                 */
               *pSapHw_mode = eSAP_DOT11_MODE_11g_ONLY;
               *pCheckRatesfor11g = FALSE;
            }
        }
        else if((BASIC_RATE_MASK | WLAN_BSS_MEMBERSHIP_SELECTOR_HT_PHY) == pIe[i])
        {
            *require_ht = TRUE;
        }
    }
    return;
}

static void wlan_hdd_set_sapHwmode(hdd_adapter_t *pHostapdAdapter)
{
    tsap_Config_t *pConfig = &pHostapdAdapter->sessionCtx.ap.sapConfig;
    beacon_data_t *pBeacon = pHostapdAdapter->sessionCtx.ap.beacon;
    struct ieee80211_mgmt *pMgmt_frame = (struct ieee80211_mgmt*)pBeacon->head;
    u8 checkRatesfor11g = TRUE;
    u8 require_ht = FALSE;
    u8 *pIe=NULL;

    pConfig->SapHw_mode= eSAP_DOT11_MODE_11b;

    pIe = wlan_hdd_cfg80211_get_ie_ptr(&pMgmt_frame->u.beacon.variable[0],
                                       pBeacon->head_len, WLAN_EID_SUPP_RATES);
    if (pIe != NULL)
    {
        pIe += 1;
        wlan_hdd_check_11gmode(pIe, &require_ht, &checkRatesfor11g,
                               &pConfig->SapHw_mode);
    }

    pIe = wlan_hdd_cfg80211_get_ie_ptr(pBeacon->tail, pBeacon->tail_len,
                                WLAN_EID_EXT_SUPP_RATES);
    if (pIe != NULL)
    {

        pIe += 1;
        wlan_hdd_check_11gmode(pIe, &require_ht, &checkRatesfor11g,
                               &pConfig->SapHw_mode);
    }

    if( pConfig->channel > 14 )
    {
        pConfig->SapHw_mode= eSAP_DOT11_MODE_11a;
    }

    pIe = wlan_hdd_cfg80211_get_ie_ptr(pBeacon->tail, pBeacon->tail_len,
                                       WLAN_EID_HT_CAPABILITY);

    if(pIe) 
    {
        pConfig->SapHw_mode= eSAP_DOT11_MODE_11n;
        if(require_ht)
            pConfig->SapHw_mode= eSAP_DOT11_MODE_11n_ONLY;
    }
}

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
static int wlan_hdd_cfg80211_update_apies(hdd_adapter_t* pHostapdAdapter,
                            struct beacon_parameters *params)
#else
static int wlan_hdd_cfg80211_update_apies(hdd_adapter_t* pHostapdAdapter,
                                     struct cfg80211_beacon_data *params)
#endif
{
    v_U8_t *genie;
    v_U8_t total_ielen = 0, ielen = 0;
    v_U8_t *pIe = NULL;
    v_U8_t addIE[1] = {0};
    beacon_data_t *pBeacon = pHostapdAdapter->sessionCtx.ap.beacon;
    int ret = 0;

    genie = vos_mem_malloc(MAX_GENIE_LEN);

    if(genie == NULL) {

        return -ENOMEM;
    }

    pIe = wlan_hdd_get_wps_ie_ptr(pBeacon->tail, pBeacon->tail_len);

    if(pIe)
    {
        /*Copy the wps IE*/
        ielen = pIe[1] + 2;
        if( ielen <=MAX_GENIE_LEN)
        {
            vos_mem_copy(genie, pIe, ielen);
        }
        else 
        {
            hddLog( VOS_TRACE_LEVEL_ERROR, "**Wps Ie Length is too big***\n");
            ret = -EINVAL;
            goto done;
        }
        total_ielen = ielen;
    }

#ifdef WLAN_FEATURE_WFD
    pIe = wlan_hdd_get_wfd_ie_ptr(pBeacon->tail,pBeacon->tail_len);

    if(pIe) 
    { 
        ielen = pIe[1] + 2;
        if(total_ielen + ielen <= MAX_GENIE_LEN) {
            vos_mem_copy(&genie[total_ielen],pIe,(pIe[1] + 2));
        }
        else {
           hddLog( VOS_TRACE_LEVEL_ERROR, "**Wps Ie + P2p Ie + Wfd Ie Length is too big***\n");
           ret = -EINVAL;
           goto done;
        }
        total_ielen += ielen; 
    }
#endif

#ifdef WLAN_FEATURE_P2P
    pIe = wlan_hdd_get_p2p_ie_ptr(pBeacon->tail,pBeacon->tail_len);

    if(pIe)
    {
        ielen = pIe[1] + 2;
        if(total_ielen + ielen <= MAX_GENIE_LEN)
        {
            vos_mem_copy(&genie[total_ielen], pIe, (pIe[1] + 2));
        }
        else
        {
            hddLog( VOS_TRACE_LEVEL_ERROR, 
                    "**Wps Ie+ P2pIE Length is too big***\n");
            ret = -EINVAL;
            goto done;
        }
        total_ielen += ielen;
    }
#endif

    if (ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
       WNI_CFG_PROBE_RSP_BCN_ADDNIE_DATA, genie, total_ielen, NULL,
               eANI_BOOLEAN_FALSE)==eHAL_STATUS_FAILURE)
    {
        hddLog(LOGE,
               "Could not pass on WNI_CFG_PROBE_RSP_BCN_ADDNIE_DATA to CCM");
        ret = -EINVAL;
        goto done;
    }

    if (ccmCfgSetInt((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
          WNI_CFG_PROBE_RSP_BCN_ADDNIE_FLAG, 1,NULL,
          test_bit(SOFTAP_BSS_STARTED, &pHostapdAdapter->event_flags) ?
                   eANI_BOOLEAN_TRUE : eANI_BOOLEAN_FALSE)
          ==eHAL_STATUS_FAILURE)
    {
        hddLog(LOGE,
            "Could not pass on WNI_CFG_PROBE_RSP_BCN_ADDNIE_FLAG to CCM");
        ret = -EINVAL;
        goto done;
    }

    // Added for ProResp IE
    if ( (params->proberesp_ies != NULL) && (params->proberesp_ies_len != 0) )
    {
        u16 rem_probe_resp_ie_len = params->proberesp_ies_len;
        u8 probe_rsp_ie_len[3] = {0};
        u8 counter = 0;
        /* Check Probe Resp Length if it is greater then 255 then Store
           Probe Resp IEs into WNI_CFG_PROBE_RSP_ADDNIE_DATA1 &
           WNI_CFG_PROBE_RSP_ADDNIE_DATA2 CFG Variable As We are not able
           Store More then 255 bytes into One Variable.
        */
        while ((rem_probe_resp_ie_len > 0) && (counter < 3))
        {
            if (rem_probe_resp_ie_len > MAX_CFG_STRING_LEN)
            {
                probe_rsp_ie_len[counter++] = MAX_CFG_STRING_LEN;
                rem_probe_resp_ie_len -= MAX_CFG_STRING_LEN;
            }
            else
            {
                probe_rsp_ie_len[counter++] = rem_probe_resp_ie_len;
                rem_probe_resp_ie_len = 0;
            }
        }

        rem_probe_resp_ie_len = 0;

        if (probe_rsp_ie_len[0] > 0)
        {
            if (ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_PROBE_RSP_ADDNIE_DATA1,
                            (tANI_U8*)&params->proberesp_ies[rem_probe_resp_ie_len],
                            probe_rsp_ie_len[0], NULL,
                            eANI_BOOLEAN_FALSE) == eHAL_STATUS_FAILURE)
            {
                 hddLog(LOGE,
                       "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_DATA1 to CCM");
                 ret = -EINVAL;
                 goto done;
            }
            rem_probe_resp_ie_len += probe_rsp_ie_len[0];
        }

        if (probe_rsp_ie_len[1] > 0)
        {
            if (ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_PROBE_RSP_ADDNIE_DATA2,
                            (tANI_U8*)&params->proberesp_ies[rem_probe_resp_ie_len],
                            probe_rsp_ie_len[1], NULL,
                            eANI_BOOLEAN_FALSE) == eHAL_STATUS_FAILURE)
            {
                 hddLog(LOGE,
                       "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_DATA2 to CCM");
                 ret = -EINVAL;
                 goto done;
            }
            rem_probe_resp_ie_len += probe_rsp_ie_len[1];
        }

        if (probe_rsp_ie_len[2] > 0)
        {
            if (ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_PROBE_RSP_ADDNIE_DATA3,
                            (tANI_U8*)&params->proberesp_ies[rem_probe_resp_ie_len],
                            probe_rsp_ie_len[2], NULL,
                            eANI_BOOLEAN_FALSE) == eHAL_STATUS_FAILURE)
            {
                 hddLog(LOGE,
                       "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_DATA3 to CCM");
                 ret = -EINVAL;
                 goto done;
            }
            rem_probe_resp_ie_len += probe_rsp_ie_len[2];
        }

        if (probe_rsp_ie_len[1] == 0 )
        {
            if ( eHAL_STATUS_FAILURE == ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_PROBE_RSP_ADDNIE_DATA2, (tANI_U8*)addIE, 0, NULL,
                            eANI_BOOLEAN_FALSE) )
            {
                hddLog(LOGE,
                   "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_DATA2 to CCM\n");
            }
        }

        if (probe_rsp_ie_len[2] == 0 )
        {
            if ( eHAL_STATUS_FAILURE == ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_PROBE_RSP_ADDNIE_DATA3, (tANI_U8*)addIE, 0, NULL,
                            eANI_BOOLEAN_FALSE) )
            {
                hddLog(LOGE,
                   "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_DATA3 to CCM\n");
            }
        }

        if (ccmCfgSetInt((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
             WNI_CFG_PROBE_RSP_ADDNIE_FLAG, 1,NULL,
             test_bit(SOFTAP_BSS_STARTED, &pHostapdAdapter->event_flags) ?
                      eANI_BOOLEAN_TRUE : eANI_BOOLEAN_FALSE)
             == eHAL_STATUS_FAILURE)
        {
           hddLog(LOGE,
             "Could not pass on WNI_CFG_PROBE_RSP_ADDNIE_FLAG to CCM");
           ret = -EINVAL;
           goto done;
        }
    }
    else
    {
        // Reset WNI_CFG_PROBE_RSP Flags
        wlan_hdd_reset_prob_rspies(pHostapdAdapter);

        hddLog(VOS_TRACE_LEVEL_INFO,
               "%s: No Probe Response IE received in set beacon",
               __func__);
    }

    // Added for AssocResp IE
    if ( (params->assocresp_ies != NULL) && (params->assocresp_ies_len != 0) )
    {
       if (ccmCfgSetStr((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
               WNI_CFG_ASSOC_RSP_ADDNIE_DATA, (tANI_U8*)params->assocresp_ies,
               params->assocresp_ies_len, NULL,
               eANI_BOOLEAN_FALSE) == eHAL_STATUS_FAILURE)
       {
            hddLog(LOGE,
                  "Could not pass on WNI_CFG_ASSOC_RSP_ADDNIE_DATA to CCM");
            ret = -EINVAL;
            goto done;
       }

       if (ccmCfgSetInt((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
          WNI_CFG_ASSOC_RSP_ADDNIE_FLAG, 1, NULL,
          test_bit(SOFTAP_BSS_STARTED, &pHostapdAdapter->event_flags) ?
                   eANI_BOOLEAN_TRUE : eANI_BOOLEAN_FALSE)
          == eHAL_STATUS_FAILURE)
       {
          hddLog(LOGE,
            "Could not pass on WNI_CFG_ASSOC_RSP_ADDNIE_FLAG to CCM");
          ret = -EINVAL;
          goto done;
       }
    }
    else
    {
        hddLog(VOS_TRACE_LEVEL_INFO,
               "%s: No Assoc Response IE received in set beacon",
               __func__);

        if ( eHAL_STATUS_FAILURE == ccmCfgSetInt((WLAN_HDD_GET_CTX(pHostapdAdapter))->hHal,
                            WNI_CFG_ASSOC_RSP_ADDNIE_FLAG, 0, NULL,
                            eANI_BOOLEAN_FALSE) )
        {
            hddLog(LOGE,
               "Could not pass on WNI_CFG_ASSOC_RSP_ADDNIE_FLAG to CCM\n");
        }
    }

done:
    vos_mem_free(genie);
    return 0;
}

/* 
 * FUNCTION: wlan_hdd_validate_operation_channel
 * called by wlan_hdd_cfg80211_start_bss() and
 * wlan_hdd_cfg80211_set_channel()
 * This function validates whether given channel is part of valid
 * channel list. 
 */ 
static VOS_STATUS wlan_hdd_validate_operation_channel(hdd_adapter_t *pAdapter,int channel)
{
        
    v_U32_t num_ch = 0;
    u8 valid_ch[WNI_CFG_VALID_CHANNEL_LIST_LEN];
    u32 indx = 0;
    tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
     
    num_ch = WNI_CFG_VALID_CHANNEL_LIST_LEN;

    if (0 != ccmCfgGetStr(hHal, WNI_CFG_VALID_CHANNEL_LIST,
            valid_ch, &num_ch))
    {
        hddLog(VOS_TRACE_LEVEL_ERROR,
                "%s: failed to get valid channel list\n", __func__);
        return VOS_STATUS_E_FAILURE;
    }

    for (indx = 0; indx < num_ch; indx++)
    {
        if (channel == valid_ch[indx])
        {
            break;
        }
    }

    if (indx >= num_ch)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR,
                "%s: Invalid Channel [%d] \n", __func__, channel);
        return VOS_STATUS_E_FAILURE;
    }
    return VOS_STATUS_SUCCESS;
         
}

/* 
 * FUNCTION: wlan_hdd_select_cbmode
 * called by wlan_hdd_cfg80211_start_bss() and
 * This function  selects the cbmode based on primary channel
 */ 
VOS_STATUS wlan_sap_select_cbmode(void *pAdapter,eSapPhyMode SapHw_mode, v_U8_t channel)
{
    tSmeConfigParams smeConfig;
    hdd_context_t  *pHddCtx  = ( hdd_context_t *) pAdapter;
    hdd_config_t  *pConfigIni = ((hdd_context_t *)(pAdapter))->cfg_ini;
    
    if(
#ifdef WLAN_FEATURE_11AC
      SapHw_mode != eSAP_DOT11_MODE_11ac &&
      SapHw_mode != eSAP_DOT11_MODE_11ac_ONLY &&
#endif
      SapHw_mode != eSAP_DOT11_MODE_11n &&
      SapHw_mode != eSAP_DOT11_MODE_11n_ONLY 
      )
    {
        return VOS_STATUS_SUCCESS;
    }

    if (!pConfigIni->nChannelBondingMode5GHz) {
        return VOS_STATUS_SUCCESS;
    }

    //channel = pSapConfig->channel;
    vos_mem_zero(&smeConfig, sizeof (tSmeConfigParams));

    sme_GetConfigParam(pHddCtx->hHal, &smeConfig);

#ifdef WLAN_FEATURE_11AC

    if ( SapHw_mode == eSAP_DOT11_MODE_11ac || 
         SapHw_mode == eSAP_DOT11_MODE_11ac_ONLY )
    {
        if ( channel== 36 || channel == 52 || channel == 100 ||
             channel == 116 || channel == 149 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 
                     PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW - 1;
        }
        else if ( channel == 40 || channel == 56 || channel == 104 ||
             channel == 120 || channel == 153 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 
                           PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW - 1;
        }
        else if ( channel == 44 || channel == 60 || channel == 108 ||
                  channel == 124 || channel == 157 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 
                           PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH -1;
        }
        else if ( channel == 48 || channel == 64 || channel == 112 ||
             channel == 128 || channel == 161 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 
                          PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH - 1;
        }
        else
        {
           smeConfig.csrConfig.channelBondingMode5GHz=0;
        }
    }
#endif
    if ( SapHw_mode == eSAP_DOT11_MODE_11n ||
          SapHw_mode == eSAP_DOT11_MODE_11n_ONLY )
    {
        if ( channel== 40 || channel == 48 || channel == 56 ||
             channel == 64 || channel == 104 || channel == 112 ||
             channel == 120 || channel == 128 || channel == 136 ||
             channel == 144 || channel == 153 || channel == 161 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 1;
        }
        else if ( channel== 36 || channel == 44 || channel == 52 ||
             channel == 60 || channel == 100 || channel == 108 ||
             channel == 116 || channel == 124 || channel == 132 ||
             channel == 140 || channel == 149 || channel == 157 )
        {
           smeConfig.csrConfig.channelBondingMode5GHz = 2;
        }
        else
        {
           smeConfig.csrConfig.channelBondingMode5GHz=0;
        }
    }
    pr_info ("cbmode selected=%ld\n",smeConfig.csrConfig.channelBondingMode5GHz);

    sme_UpdateConfig (pHddCtx->hHal,&smeConfig);
    return VOS_STATUS_SUCCESS;
}

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
static int wlan_hdd_cfg80211_start_bss(hdd_adapter_t *pHostapdAdapter,
                            struct beacon_parameters *params)
#else
static int wlan_hdd_cfg80211_start_bss(hdd_adapter_t *pHostapdAdapter,
                                       struct cfg80211_beacon_data *params,
                                       const u8 *ssid, size_t ssid_len,
                                       enum nl80211_hidden_ssid hidden_ssid)
#endif
{
    tsap_Config_t *pConfig;
    beacon_data_t *pBeacon = NULL;
    struct ieee80211_mgmt *pMgmt_frame;
    v_U8_t *pIe=NULL;
    v_U16_t capab_info;
    eCsrAuthType RSNAuthType;
    eCsrEncryptionType RSNEncryptType;
    eCsrEncryptionType mcRSNEncryptType;
    int status = VOS_STATUS_SUCCESS;
    tpWLAN_SAPEventCB pSapEventCallback;
    hdd_hostapd_state_t *pHostapdState;
    v_U8_t wpaRsnIEdata[(SIR_MAC_MAX_IE_LENGTH * 2)+4];  //Max ie length 255 * 2(WPA+RSN) + 2 bytes (vendor specific ID) * 2
    v_CONTEXT_t pVosContext = (WLAN_HDD_GET_CTX(pHostapdAdapter))->pvosContext;
    struct qc_mac_acl_entry *acl_entry = NULL;
    v_SINT_t i;

    ENTER();

    pHostapdState = WLAN_HDD_GET_HOSTAP_STATE_PTR(pHostapdAdapter);

    pConfig = &pHostapdAdapter->sessionCtx.ap.sapConfig;

    pBeacon = pHostapdAdapter->sessionCtx.ap.beacon;

    pMgmt_frame = (struct ieee80211_mgmt*)pBeacon->head;

    pConfig->beacon_int =  pMgmt_frame->u.beacon.beacon_int;

    //channel is already set in the set_channel Call back
    //pConfig->channel = pCommitConfig->channel;

    /*Protection parameter to enable or disable*/
    pConfig->protEnabled = 
           (WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->apProtEnabled;

    pConfig->dtim_period = pBeacon->dtim_period;

    hddLog(VOS_TRACE_LEVEL_INFO_HIGH,"****pConfig->dtim_period=%d***\n",
                                      pConfig->dtim_period);


    if (pHostapdAdapter->device_mode == WLAN_HDD_SOFTAP)
    {
        pIe = wlan_hdd_cfg80211_get_ie_ptr(pBeacon->tail, pBeacon->tail_len,
                                       WLAN_EID_COUNTRY);
        if(pIe)
        {
            tANI_BOOLEAN restartNeeded;
            tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pHostapdAdapter);
            pConfig->ieee80211d = 1;
            vos_mem_copy(pConfig->countryCode, &pIe[2], 3);
            sme_setRegInfo(hHal, pConfig->countryCode);
            sme_ResetCountryCodeInformation(hHal, &restartNeeded);
            /*
             * If auto channel is configured i.e. channel is 0,
             * so skip channel validation.
             */
            if( AUTO_CHANNEL_SELECT != pConfig->channel )
            {
                if(VOS_STATUS_SUCCESS != wlan_hdd_validate_operation_channel(pHostapdAdapter,pConfig->channel))
                {
                    hddLog(VOS_TRACE_LEVEL_ERROR,
                            "%s: Invalid Channel [%d] \n", __func__, pConfig->channel);
                    return -EINVAL;
                }
            }
            /* 
             * Validate the given channel range for the given country code
             */
            else
            {
                hdd_config_t *hdd_pConfig= (WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini;
                WLANSAP_SetChannelRange(hHal,hdd_pConfig->apStartChannelNum,hdd_pConfig->apEndChannelNum,hdd_pConfig->apOperatingBand);
            }
        }
        else
        {
            pConfig->ieee80211d = 0;
        }
    }
    else
    {
        pConfig->ieee80211d = 0;
    }
    pConfig->authType = eSAP_AUTO_SWITCH;

    capab_info = pMgmt_frame->u.beacon.capab_info;
    
    pConfig->privacy = (pMgmt_frame->u.beacon.capab_info & 
                        WLAN_CAPABILITY_PRIVACY) ? VOS_TRUE : VOS_FALSE;

    (WLAN_HDD_GET_AP_CTX_PTR(pHostapdAdapter))->uPrivacy = pConfig->privacy;

    /*Set wps station to configured*/
    pIe = wlan_hdd_get_wps_ie_ptr(pBeacon->tail, pBeacon->tail_len);

    if(pIe)
    {
        if(pIe[1] < (2 + WPS_OUI_TYPE_SIZE))
        {
            hddLog( VOS_TRACE_LEVEL_ERROR, "**Wps Ie Length is too small***\n");
            return -EINVAL;
        }
        else if(memcmp(&pIe[2], WPS_OUI_TYPE, WPS_OUI_TYPE_SIZE) == 0)
        {
             hddLog( VOS_TRACE_LEVEL_INFO, "** WPS IE(len %d) ***", (pIe[1]+2));
             /* Check 15 bit of WPS IE as it contain information for wps state
              * WPS state
              */
              if(SAP_WPS_ENABLED_UNCONFIGURED == pIe[15])
              {
                  pConfig->wps_state = SAP_WPS_ENABLED_UNCONFIGURED;
              } else if(SAP_WPS_ENABLED_CONFIGURED == pIe[15])
              {
                  pConfig->wps_state = SAP_WPS_ENABLED_CONFIGURED;
              }
        }
    }
    else
    {
        pConfig->wps_state = SAP_WPS_DISABLED;
    }
    pConfig->fwdWPSPBCProbeReq  = 1; // Forward WPS PBC probe request frame up 

    pConfig->RSNWPAReqIELength = 0;
    pConfig->pRSNWPAReqIE = NULL;
    pIe = wlan_hdd_cfg80211_get_ie_ptr(pBeacon->tail, pBeacon->tail_len, 
                                       WLAN_EID_RSN);
    if(pIe && pIe[1])
    { 
        pConfig->RSNWPAReqIELength = pIe[1] + 2;
        memcpy(&wpaRsnIEdata[0], pIe, pConfig->RSNWPAReqIELength);
        pConfig->pRSNWPAReqIE = &wpaRsnIEdata[0];
        /* The actual processing may eventually be more extensive than 
         * this. Right now, just consume any PMKIDs that are  sent in 
         * by the app.
         * */
        status = hdd_softap_unpackIE( 
                        vos_get_context( VOS_MODULE_ID_SME, pVosContext),
                        &RSNEncryptType,
                        &mcRSNEncryptType,
                        &RSNAuthType,
                        pConfig->pRSNWPAReqIE[1]+2,
                        pConfig->pRSNWPAReqIE );

        if( VOS_STATUS_SUCCESS == status )
        {
            /* Now copy over all the security attributes you have 
             * parsed out 
             * */
            pConfig->RSNEncryptType = RSNEncryptType; // Use the cipher type in the RSN IE
            pConfig->mcRSNEncryptType = mcRSNEncryptType;
            (WLAN_HDD_GET_AP_CTX_PTR(pHostapdAdapter))->ucEncryptType
                                                              = RSNEncryptType;
            hddLog( LOG1, FL("%s: CSR AuthType = %d, "
                        "EncryptionType = %d mcEncryptionType = %d\n"),
                        RSNAuthType, RSNEncryptType, mcRSNEncryptType);
        }
    }
    
    pIe = wlan_hdd_get_vendor_oui_ie_ptr(WPA_OUI_TYPE, WPA_OUI_TYPE_SIZE,
                                         pBeacon->tail, pBeacon->tail_len);

    if(pIe && pIe[1] && (pIe[0] == DOT11F_EID_WPA))
    {
        if (pConfig->pRSNWPAReqIE)
        {
            /*Mixed mode WPA/WPA2*/
            memcpy((&wpaRsnIEdata[0] + pConfig->RSNWPAReqIELength), pIe, pIe[1] + 2);
            pConfig->RSNWPAReqIELength += pIe[1] + 2;
        }
        else
        {
            pConfig->RSNWPAReqIELength = pIe[1] + 2;
            memcpy(&wpaRsnIEdata[0], pIe, pConfig->RSNWPAReqIELength);
            pConfig->pRSNWPAReqIE = &wpaRsnIEdata[0];
            status = hdd_softap_unpackIE( 
                          vos_get_context( VOS_MODULE_ID_SME, pVosContext),
                          &RSNEncryptType,
                          &mcRSNEncryptType,
                          &RSNAuthType,
                          pConfig->pRSNWPAReqIE[1]+2,
                          pConfig->pRSNWPAReqIE );

            if( VOS_STATUS_SUCCESS == status )
            {
                /* Now copy over all the security attributes you have 
                 * parsed out 
                 * */
                pConfig->RSNEncryptType = RSNEncryptType; // Use the cipher type in the RSN IE
                pConfig->mcRSNEncryptType = mcRSNEncryptType;
                (WLAN_HDD_GET_AP_CTX_PTR(pHostapdAdapter))->ucEncryptType
                                                              = RSNEncryptType;
                hddLog( LOG1, FL("%s: CSR AuthType = %d, "
                                "EncryptionType = %d mcEncryptionType = %d\n"),
                                RSNAuthType, RSNEncryptType, mcRSNEncryptType);
            }
        }
    }

    pConfig->SSIDinfo.ssidHidden = VOS_FALSE;

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
    if (params->ssid != NULL)
    {
        memcpy(pConfig->SSIDinfo.ssid.ssId, params->ssid, params->ssid_len);
        pConfig->SSIDinfo.ssid.length = params->ssid_len;
        if (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
            pConfig->SSIDinfo.ssidHidden = VOS_TRUE;
    }
#else
    if (ssid != NULL)
    {
        memcpy(pConfig->SSIDinfo.ssid.ssId, ssid, ssid_len);
        pConfig->SSIDinfo.ssid.length = ssid_len;
        if (hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
            pConfig->SSIDinfo.ssidHidden = VOS_TRUE;
    }
#endif

    vos_mem_copy(pConfig->self_macaddr.bytes, 
               pHostapdAdapter->macAddressCurrent.bytes, sizeof(v_MACADDR_t));
    
    /* default value */
    pConfig->SapMacaddr_acl = eSAP_ACCEPT_UNLESS_DENIED;
    pConfig->num_accept_mac = 0;
    pConfig->num_deny_mac = 0;

    pIe = wlan_hdd_get_vendor_oui_ie_ptr(BLACKLIST_OUI_TYPE, WPA_OUI_TYPE_SIZE,
                                         pBeacon->tail, pBeacon->tail_len);

    /* pIe for black list is following form:
            type    : 1 byte
            length  : 1 byte
            OUI     : 4 bytes
            acl type : 1 byte
            no of mac addr in black list: 1 byte
            list of mac_acl_entries: variable, 6 bytes per mac address + sizeof(int) for vlan id
    */    
    if ((pIe != NULL) && (pIe[1] != 0))    
    {
        pConfig->SapMacaddr_acl = pIe[6];
        pConfig->num_deny_mac   = pIe[7];
        hddLog(VOS_TRACE_LEVEL_INFO,"acl type = %d no deny mac = %d\n",
                                     pIe[6], pIe[7]);
        if (pConfig->num_deny_mac > MAX_MAC_ADDRESS_DENIED)
            pConfig->num_deny_mac = MAX_MAC_ADDRESS_DENIED;
        acl_entry = (struct qc_mac_acl_entry *)(pIe + 8);
        for (i = 0; i < pConfig->num_deny_mac; i++)
        {
            vos_mem_copy(&pConfig->deny_mac[i], acl_entry->addr, sizeof(qcmacaddr));
            acl_entry++;
        }        
    }
    pIe = wlan_hdd_get_vendor_oui_ie_ptr(WHITELIST_OUI_TYPE, WPA_OUI_TYPE_SIZE,
                                         pBeacon->tail, pBeacon->tail_len);

    /* pIe for white list is following form:
            type    : 1 byte
            length  : 1 byte
            OUI     : 4 bytes
            acl type : 1 byte
            no of mac addr in white list: 1 byte
            list of mac_acl_entries: variable, 6 bytes per mac address + sizeof(int) for vlan id
    */    
    if ((pIe != NULL) && (pIe[1] != 0))    
    {
        pConfig->SapMacaddr_acl = pIe[6];
        pConfig->num_accept_mac   = pIe[7];
        hddLog(VOS_TRACE_LEVEL_INFO,"acl type = %d no accept mac = %d\n",
                                      pIe[6], pIe[7]);
        if (pConfig->num_accept_mac > MAX_MAC_ADDRESS_ACCEPTED)
            pConfig->num_accept_mac = MAX_MAC_ADDRESS_ACCEPTED;
        acl_entry = (struct qc_mac_acl_entry *)(pIe + 8);
        for (i = 0; i < pConfig->num_accept_mac; i++)
        {
            vos_mem_copy(&pConfig->accept_mac[i], acl_entry->addr, sizeof(qcmacaddr));
            acl_entry++;
        }
    }
    wlan_hdd_set_sapHwmode(pHostapdAdapter);

#ifdef WLAN_FEATURE_11AC
    if(((WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->dot11Mode == eHDD_DOT11_MODE_AUTO) || 
       ((WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->dot11Mode == eHDD_DOT11_MODE_11ac) ||
       ((WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->dot11Mode == eHDD_DOT11_MODE_11ac_ONLY) )
    {
        pConfig->SapHw_mode = eSAP_DOT11_MODE_11ac;
    }
#endif
     
    if( AUTO_CHANNEL_SELECT != pConfig->channel)
        wlan_sap_select_cbmode((WLAN_HDD_GET_CTX(pHostapdAdapter)),pConfig->SapHw_mode,pConfig->channel);
    // ht_capab is not what the name conveys,this is used for protection bitmap
    pConfig->ht_capab =
                 (WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->apProtection;

    if ( 0 != wlan_hdd_cfg80211_update_apies(pHostapdAdapter, params) )
    {
        hddLog(LOGE, FL("SAP Not able to set AP IEs"));
        return -EINVAL;
    }

    //Uapsd Enabled Bit
    pConfig->UapsdEnable =  
          (WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->apUapsdEnabled;
    //Enable OBSS protection
    pConfig->obssProtEnabled = 
           (WLAN_HDD_GET_CTX(pHostapdAdapter))->cfg_ini->apOBSSProtEnabled; 

    hddLog(LOGW, FL("SOftAP macaddress : "MAC_ADDRESS_STR"\n"), 
                 MAC_ADDR_ARRAY(pHostapdAdapter->macAddressCurrent.bytes));
    hddLog(LOGW,FL("ssid =%s\n"), pConfig->SSIDinfo.ssid.ssId);  
    hddLog(LOGW,FL("beaconint=%d, channel=%d\n"), (int)pConfig->beacon_int,
                                                     (int)pConfig->channel);
    hddLog(LOGW,FL("hw_mode=%x\n"),  pConfig->SapHw_mode);
    hddLog(LOGW,FL("privacy=%d, authType=%d\n"), pConfig->privacy, 
                                                 pConfig->authType); 
    hddLog(LOGW,FL("RSN/WPALen=%d, \n"),(int)pConfig->RSNWPAReqIELength);
    hddLog(LOGW,FL("Uapsd = %d\n"),pConfig->UapsdEnable); 
    hddLog(LOGW,FL("ProtEnabled = %d, OBSSProtEnabled = %d\n"),
                          pConfig->protEnabled, pConfig->obssProtEnabled);

    if(test_bit(SOFTAP_BSS_STARTED, &pHostapdAdapter->event_flags)) 
    {
        //Bss already started. just return.
        //TODO Probably it should update some beacon params.
        hddLog( LOGE, "Bss Already started...Ignore the request");
        EXIT();
        return 0;
    }
    
    pConfig->persona = pHostapdAdapter->device_mode;

    pSapEventCallback = hdd_hostapd_SAPEventCB;
    if(WLANSAP_StartBss(pVosContext, pSapEventCallback, pConfig,
                 (v_PVOID_t)pHostapdAdapter->dev) != VOS_STATUS_SUCCESS)
    {
        hddLog(LOGE,FL("SAP Start Bss fail\n"));
        return -EINVAL;
    }

    hddLog(LOG1, 
           FL("Waiting for Scan to complete(auto mode) and BSS to start"));

    status = vos_wait_single_event(&pHostapdState->vosEvent, 10000);
   
    if (!VOS_IS_STATUS_SUCCESS(status))
    {  
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                 ("ERROR: HDD vos wait for single_event failed!!\n"));
        VOS_ASSERT(0);
    }
 
    //Succesfully started Bss update the state bit.
    set_bit(SOFTAP_BSS_STARTED, &pHostapdAdapter->event_flags);

#ifdef WLAN_FEATURE_P2P_DEBUG
    if (pHostapdAdapter->device_mode == WLAN_HDD_P2P_GO)
    {
         if(globalP2PConnectionStatus == P2P_GO_NEG_COMPLETED)
         {
             globalP2PConnectionStatus = P2P_GO_COMPLETED_STATE;
             hddLog(LOGE,"[P2P State] From Go nego completed to "
                         "Non-autonomus Group started");
         }
         else if(globalP2PConnectionStatus == P2P_NOT_ACTIVE)
         {
             globalP2PConnectionStatus = P2P_GO_COMPLETED_STATE;
             hddLog(LOGE,"[P2P State] From Inactive to "
                         "Autonomus Group started");
         }
    }
#endif

    pHostapdState->bCommit = TRUE;
    EXIT();

   return 0;
}

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
static int wlan_hdd_cfg80211_add_beacon(struct wiphy *wiphy, 
                                        struct net_device *dev, 
                                        struct beacon_parameters *params)
{
    hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev);
    int status=VOS_STATUS_SUCCESS; 

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "device mode=%d\n",pAdapter->device_mode);

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if ( (pAdapter->device_mode == WLAN_HDD_SOFTAP) 
#ifdef WLAN_FEATURE_P2P
      || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       )
    {
        beacon_data_t *old,*new;

        old = pAdapter->sessionCtx.ap.beacon;
   
        if (old)
            return -EALREADY;

        status = wlan_hdd_cfg80211_alloc_new_beacon(pAdapter,&new,params);

        if(status != VOS_STATUS_SUCCESS) 
        {
             hddLog(VOS_TRACE_LEVEL_FATAL,
                   "%s:Error!!! Allocating the new beacon\n",__func__);
             return -EINVAL;
        }

        pAdapter->sessionCtx.ap.beacon = new;

        status = wlan_hdd_cfg80211_start_bss(pAdapter, params);
    }

    EXIT();
    return status;
}
 
static int wlan_hdd_cfg80211_set_beacon(struct wiphy *wiphy, 
                                        struct net_device *dev,
                                        struct beacon_parameters *params)
{
    hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev); 
    int status=VOS_STATUS_SUCCESS;

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                                __func__,pAdapter->device_mode);

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP) 
#ifdef WLAN_FEATURE_P2P
     || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       ) 
    {
        beacon_data_t *old,*new;
                
        old = pAdapter->sessionCtx.ap.beacon;
        
        if (!old)
            return -ENOENT;

        status = wlan_hdd_cfg80211_alloc_new_beacon(pAdapter,&new,params);

        if(status != VOS_STATUS_SUCCESS) {
            hddLog(VOS_TRACE_LEVEL_FATAL, 
                   "%s: Error!!! Allocating the new beacon\n",__func__);
            return -EINVAL;
       }

       pAdapter->sessionCtx.ap.beacon = new;

       status = wlan_hdd_cfg80211_start_bss(pAdapter, params);
    }

    EXIT();
    return status;
}

#endif //(LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
static int wlan_hdd_cfg80211_del_beacon(struct wiphy *wiphy,
                                        struct net_device *dev)
#else
static int wlan_hdd_cfg80211_stop_ap (struct wiphy *wiphy,
                                      struct net_device *dev)
#endif
{
    hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev);
    hdd_context_t  *pHddCtx    = NULL;
    hdd_scaninfo_t *pScanInfo  = NULL;
    hdd_adapter_t  *staAdapter = NULL;
    VOS_STATUS status = 0;

    ENTER();

    if (NULL == pAdapter)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                   "%s: HDD adapter context is Null", __func__);
        return -ENODEV;
    }
    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    pHddCtx  =  (hdd_context_t*)pAdapter->pHddCtx;
    if (NULL == pHddCtx)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                "%s: HDD context is Null", __func__);
        return -ENODEV;
    }

    staAdapter = hdd_get_adapter(pAdapter->pHddCtx, WLAN_HDD_INFRA_STATION);
    if (NULL == staAdapter)
    {
        staAdapter = hdd_get_adapter(pAdapter->pHddCtx, WLAN_HDD_P2P_CLIENT);
        if (NULL == staAdapter)
        {
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                    "%s: HDD adapter context is Null", __func__);
            return -ENODEV;
        }
    }

    pScanInfo =  &pHddCtx->scan_info;

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
        return -EAGAIN;
    }

    pHddCtx  =  (hdd_context_t*)pAdapter->pHddCtx;

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                              __func__,pAdapter->device_mode);

    if ((pScanInfo != NULL) && pScanInfo->mScanPending)
    {
        INIT_COMPLETION(pScanInfo->abortscan_event_var);
        hdd_abort_mac_scan(staAdapter->pHddCtx);
        status = wait_for_completion_interruptible_timeout(
                           &pScanInfo->abortscan_event_var,
                           msecs_to_jiffies(WLAN_WAIT_TIME_ABORTSCAN));
        if (!status)
        {
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                         "%s: Timeout occured while waiting for abortscan" ,
                         __func__);
            VOS_ASSERT(pScanInfo->mScanPending);
            return 0;
        }
    }

    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
     || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       )
    {
        beacon_data_t *old;

        old = pAdapter->sessionCtx.ap.beacon;

        if (!old)
            return -ENOENT;

#ifdef CONFIG_CFG80211
        hdd_cleanup_actionframe(pHddCtx, pAdapter);
#endif

        mutex_lock(&pHddCtx->sap_lock);
        if(test_bit(SOFTAP_BSS_STARTED, &pAdapter->event_flags))
        {
            if ( VOS_STATUS_SUCCESS == (status = WLANSAP_StopBss((WLAN_HDD_GET_CTX(pAdapter))->pvosContext) ) )
            {
                hdd_hostapd_state_t *pHostapdState = WLAN_HDD_GET_HOSTAP_STATE_PTR(pAdapter);

                status = vos_wait_single_event(&pHostapdState->vosEvent, 10000);

                if (!VOS_IS_STATUS_SUCCESS(status))
                {
                    VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                             ("ERROR: HDD vos wait for single_event failed!!\n"));
                    VOS_ASSERT(0);
                }
            }
            clear_bit(SOFTAP_BSS_STARTED, &pAdapter->event_flags);
        }
        mutex_unlock(&pHddCtx->sap_lock);

        if(status != VOS_STATUS_SUCCESS)
        {
            hddLog(VOS_TRACE_LEVEL_FATAL,
                    "%s:Error!!! Stopping the BSS\n",__func__);
            return -EINVAL;
        }

        if (ccmCfgSetInt((WLAN_HDD_GET_CTX(pAdapter))->hHal,
            WNI_CFG_PROBE_RSP_BCN_ADDNIE_FLAG, 0,NULL, eANI_BOOLEAN_FALSE)
                                                    ==eHAL_STATUS_FAILURE)
        {
            hddLog(LOGE,
               "Could not pass on WNI_CFG_PROBE_RSP_BCN_ADDNIE_FLAG to CCM\n");
        }

        if ( eHAL_STATUS_FAILURE == ccmCfgSetInt((WLAN_HDD_GET_CTX(pAdapter))->hHal,
                            WNI_CFG_ASSOC_RSP_ADDNIE_FLAG, 0, NULL,
                            eANI_BOOLEAN_FALSE) )
        {
            hddLog(LOGE,
               "Could not pass on WNI_CFG_ASSOC_RSP_ADDNIE_FLAG to CCM\n");
        }

        // Reset WNI_CFG_PROBE_RSP Flags
        wlan_hdd_reset_prob_rspies(pAdapter);

        pAdapter->sessionCtx.ap.beacon = NULL;
        kfree(old);
#ifdef WLAN_FEATURE_P2P_DEBUG
        if((pAdapter->device_mode == WLAN_HDD_P2P_GO) &&
           (globalP2PConnectionStatus == P2P_GO_COMPLETED_STATE))
        {
            hddLog(LOGE,"[P2P State] From GO completed to Inactive state "
                        "GO got removed");
            globalP2PConnectionStatus = P2P_NOT_ACTIVE;
        }
#endif
    }
    EXIT();
    return status;
}

#if (LINUX_VERSION_CODE > KERNEL_VERSION(3,3,0))

static int wlan_hdd_cfg80211_start_ap(struct wiphy *wiphy,
                                      struct net_device *dev,
                                      struct cfg80211_ap_settings *params)
{
    hdd_adapter_t *pAdapter;
    hdd_context_t *pHddCtx;
    int            status = 0;

    ENTER();

    if (NULL == dev)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                   "%s: Device is Null", __func__);
        return -ENODEV;
    }

    pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    if (NULL == pAdapter)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                   "%s: HDD adapter is Null", __func__);
        return -ENODEV;
    }

    if (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                   "%s: HDD adapter magic is invalid", __func__);
        return -ENODEV;
    }

    pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
    if (NULL == pHddCtx)
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                "%s: HDD context is Null", __func__);
        return -ENODEV;
    }

    if (pHddCtx->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                  "%s: LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if (pHddCtx->isLoadUnloadInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                  "%s: Unloading/Loading in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "%s: device mode = %d",
           __func__, pAdapter->device_mode);

    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
      || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       )
    {
        beacon_data_t  *old, *new;

        old = pAdapter->sessionCtx.ap.beacon;

        if (old)
            return -EALREADY;

        status = wlan_hdd_cfg80211_alloc_new_beacon(pAdapter, &new, &params->beacon, params->dtim_period);

        if (status != 0)
        {
             hddLog(VOS_TRACE_LEVEL_FATAL,
                   "%s:Error!!! Allocating the new beacon", __func__);
             return -EINVAL;
        }
        pAdapter->sessionCtx.ap.beacon = new;
        status = wlan_hdd_cfg80211_start_bss(pAdapter, &params->beacon, params->ssid,
                                             params->ssid_len, params->hidden_ssid);
    }

    EXIT();
    return status;
}


static int wlan_hdd_cfg80211_change_beacon(struct wiphy *wiphy, 
                                        struct net_device *dev,
                                        struct cfg80211_beacon_data *params)
{
    hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev); 
    int status=VOS_STATUS_SUCCESS;

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                                __func__, pAdapter->device_mode);
    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
        return -EAGAIN;
    }

    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP) 
#ifdef WLAN_FEATURE_P2P
     || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       ) 
    {
        beacon_data_t *old,*new;
                
        old = pAdapter->sessionCtx.ap.beacon;
        
        if (!old)
            return -ENOENT;

        status = wlan_hdd_cfg80211_alloc_new_beacon(pAdapter, &new, params, 0);

        if(status != VOS_STATUS_SUCCESS) {
            hddLog(VOS_TRACE_LEVEL_FATAL, 
                   "%s: Error!!! Allocating the new beacon\n",__func__);
            return -EINVAL;
       }

       pAdapter->sessionCtx.ap.beacon = new;

       status = wlan_hdd_cfg80211_start_bss(pAdapter, params, NULL, 0, 0);
    }

    EXIT();
    return status;
}

#endif //(LINUX_VERSION_CODE > KERNEL_VERSION(3,3,0))


static int wlan_hdd_cfg80211_change_bss (struct wiphy *wiphy,
                                      struct net_device *dev,
                                      struct bss_parameters *params)
{
    hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev);

    ENTER();
    
    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                               __func__,pAdapter->device_mode);

    if((pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
     ||  (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
      ) 
    {
        /* ap_isolate == -1 means that in change bss, upper layer doesn't
         * want to update this parameter */
        if (-1 != params->ap_isolate) 
        {
            pAdapter->sessionCtx.ap.apDisableIntraBssFwd = !!params->ap_isolate;
        } 
    }

    EXIT();
    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_change_iface
 * This function is used to set the interface type (INFRASTRUCTURE/ADHOC)
 */
int wlan_hdd_cfg80211_change_iface( struct wiphy *wiphy,
                                    struct net_device *ndev,
                                    enum nl80211_iftype type,
                                    u32 *flags,
                                    struct vif_params *params
                                  )
{
    struct wireless_dev *wdev;
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev );
    hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX( pAdapter );
    hdd_adapter_t  *pP2pAdapter = NULL;
    tCsrRoamProfile *pRoamProfile = NULL;
    eCsrRoamBssType LastBSSType;
    hdd_config_t *pConfig = pHddCtx->cfg_ini;
    eMib_dot11DesiredBssType connectedBssType;
    VOS_STATUS status;

    ENTER();

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
        return -EAGAIN;
    }

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d",
                             __func__, pAdapter->device_mode);

    wdev = ndev->ieee80211_ptr;

#ifdef WLAN_BTAMP_FEATURE
    if((NL80211_IFTYPE_P2P_CLIENT == type)||
       (NL80211_IFTYPE_ADHOC == type)||
       (NL80211_IFTYPE_AP == type)||
       (NL80211_IFTYPE_P2P_GO == type))
    {
        pHddCtx->isAmpAllowed = VOS_FALSE;
        // stop AMP traffic
        status = WLANBAP_StopAmp();
        if(VOS_STATUS_SUCCESS != status )
        {
            pHddCtx->isAmpAllowed = VOS_TRUE;
            hddLog(VOS_TRACE_LEVEL_FATAL,
                   "%s: Failed to stop AMP", __func__);
            return -EINVAL;
        }
    }
#endif //WLAN_BTAMP_FEATURE
    /* Reset the current device mode bit mask*/
    wlan_hdd_clear_concurrency_mode(pHddCtx, pAdapter->device_mode);

    if( (pAdapter->device_mode == WLAN_HDD_INFRA_STATION)
#ifdef WLAN_FEATURE_P2P
      || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT)
      || (pAdapter->device_mode == WLAN_HDD_P2P_DEVICE)
#endif
      )
    {
        hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
        pRoamProfile = &pWextState->roamProfile;
        LastBSSType = pRoamProfile->BSSType;

        switch (type)
        {
            case NL80211_IFTYPE_STATION:
#ifdef WLAN_FEATURE_P2P
            case NL80211_IFTYPE_P2P_CLIENT:
#endif
                hddLog(VOS_TRACE_LEVEL_INFO,
                   "%s: setting interface Type to INFRASTRUCTURE", __func__);
                pRoamProfile->BSSType = eCSR_BSS_TYPE_INFRASTRUCTURE;
#ifdef WLAN_FEATURE_11AC
                if(pConfig->dot11Mode == eHDD_DOT11_MODE_AUTO)
                {
                    pConfig->dot11Mode = eHDD_DOT11_MODE_11ac;
                }
#endif
                pRoamProfile->phyMode = 
                hdd_cfg_xlate_to_csr_phy_mode(pConfig->dot11Mode);
                wdev->iftype = type;
#ifdef WLAN_FEATURE_P2P
                pAdapter->device_mode = (type == NL80211_IFTYPE_STATION) ?
                                WLAN_HDD_INFRA_STATION: WLAN_HDD_P2P_CLIENT;
#endif
                break;
            case NL80211_IFTYPE_ADHOC:
                hddLog(VOS_TRACE_LEVEL_INFO,
                  "%s: setting interface Type to ADHOC", __func__);
                pRoamProfile->BSSType = eCSR_BSS_TYPE_START_IBSS;
                pRoamProfile->phyMode =
                    hdd_cfg_xlate_to_csr_phy_mode(pConfig->dot11Mode);
                wdev->iftype = type;
                break;

            case NL80211_IFTYPE_AP:
#ifdef WLAN_FEATURE_P2P
            case NL80211_IFTYPE_P2P_GO:
#endif
            {
                hddLog(VOS_TRACE_LEVEL_INFO_HIGH,
                      "%s: setting interface Type to %s", __func__,
                      (type == NL80211_IFTYPE_AP) ? "SoftAP" : "P2pGo");

                if (NL80211_IFTYPE_AP == type)
                {
                     /* As Loading WLAN Driver one interface being created for p2p device
                      * address. This will take one HW STA and the max number of clients
                      * that can connect to softAP will be reduced by one. so while changing
                      * the interface type to NL80211_IFTYPE_AP (SoftAP) remove p2p0
                      * interface as it is not required in SoftAP mode.
                      */

                    // Get P2P Adapter
                    pP2pAdapter = hdd_get_adapter(pHddCtx, WLAN_HDD_P2P_DEVICE);

                    if (pP2pAdapter)
                    {
                        hdd_stop_adapter(pHddCtx, pP2pAdapter);
                        hdd_deinit_adapter(pHddCtx, pP2pAdapter);
                        hdd_close_adapter(pHddCtx, pP2pAdapter, VOS_TRUE);
                    }
                }

                //De-init the adapter.
                hdd_stop_adapter( pHddCtx, pAdapter );
                hdd_deinit_adapter( pHddCtx, pAdapter );
                memset(&pAdapter->sessionCtx, 0, sizeof(pAdapter->sessionCtx));
#ifdef WLAN_SOFTAP_FEATURE
#ifdef WLAN_FEATURE_P2P
                pAdapter->device_mode = (type == NL80211_IFTYPE_AP) ?
                                   WLAN_HDD_SOFTAP : WLAN_HDD_P2P_GO;
#else
                pAdapter->device_mode = WLAN_HDD_SOFTAP;
#endif

                //Disable BMPS and IMPS if enabled
                //before starting Go
                if(WLAN_HDD_P2P_GO == pAdapter->device_mode)
                {
                    if(VOS_STATUS_E_FAILURE == 
                       hdd_disable_bmps_imps(pHddCtx, WLAN_HDD_P2P_GO))
                    {
                       //Fail to Exit BMPS
                       VOS_ASSERT(0);
                    }
                }

                if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) &&
                    (pConfig->apRandomBssidEnabled))
                {
                    /* To meet Android requirements create a randomized
                       MAC address of the form 02:1A:11:Fx:xx:xx */
                    get_random_bytes(&ndev->dev_addr[3], 3);
                    ndev->dev_addr[0] = 0x02;
                    ndev->dev_addr[1] = 0x1A;
                    ndev->dev_addr[2] = 0x11;
                    ndev->dev_addr[3] |= 0xF0;
                    memcpy(pAdapter->macAddressCurrent.bytes, ndev->dev_addr,
                           VOS_MAC_ADDR_SIZE);
                    pr_info("wlan: Generated HotSpot BSSID "
                            "%02x:%02x:%02x:%02x:%02x:%02x\n",
                            ndev->dev_addr[0],
                            ndev->dev_addr[1],
                            ndev->dev_addr[2],
                            ndev->dev_addr[3],
                            ndev->dev_addr[4],
                            ndev->dev_addr[5]);
                }

                hdd_set_ap_ops( pAdapter->dev );

                status = hdd_init_ap_mode(pAdapter);
                if(status != VOS_STATUS_SUCCESS)
                {
                    hddLog(VOS_TRACE_LEVEL_FATAL,
                           "%s: Error initializing the ap mode", __func__);
                    return -EINVAL;
                }
                hdd_set_conparam(1);

#endif
                /*interface type changed update in wiphy structure*/
                if(wdev)
                {
                    wdev->iftype = type;
                    pHddCtx->change_iface = type;
                }
                else
                {
                    hddLog(VOS_TRACE_LEVEL_ERROR,
                            "%s: ERROR !!!! Wireless dev is NULL", __func__);
                    return -EINVAL;
                }
                goto done;
            }

            default:
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Unsupported interface Type",
                        __func__);
                return -EOPNOTSUPP;
        }
    }
    else if ( (pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
           || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
            )
    {
       switch(type)
       {
           case NL80211_IFTYPE_STATION:
#ifdef WLAN_FEATURE_P2P
           case NL80211_IFTYPE_P2P_CLIENT:
#endif
           case NL80211_IFTYPE_ADHOC:
                hdd_stop_adapter( pHddCtx, pAdapter );
                hdd_deinit_adapter( pHddCtx, pAdapter );
                wdev->iftype = type;
#ifdef WLAN_FEATURE_P2P
                pAdapter->device_mode = (type == NL80211_IFTYPE_STATION) ?
                                  WLAN_HDD_INFRA_STATION: WLAN_HDD_P2P_CLIENT;
#endif
                hdd_set_conparam(0);
                pHddCtx->change_iface = type;
                memset(&pAdapter->sessionCtx, 0, sizeof(pAdapter->sessionCtx));
                hdd_set_station_ops( pAdapter->dev );
                status = hdd_init_station_mode( pAdapter );
                if( VOS_STATUS_SUCCESS != status )
                    return -EOPNOTSUPP;
                /* In case of JB, for P2P-GO, only change interface will be called,
                 * This is the right place to enable back bmps_imps()
                 */
                hdd_enable_bmps_imps(pHddCtx);
                goto done;
            case NL80211_IFTYPE_AP:
#ifdef WLAN_FEATURE_P2P
            case NL80211_IFTYPE_P2P_GO:
#endif
                wdev->iftype = type;
#ifdef WLAN_FEATURE_P2P
                pAdapter->device_mode = (type == NL80211_IFTYPE_AP) ?
                                        WLAN_HDD_SOFTAP : WLAN_HDD_P2P_GO;
#endif
               goto done;
           default:
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Unsupported interface Type",
                        __func__);
                return -EOPNOTSUPP;

       }

    }
    else
    {
      return -EOPNOTSUPP;
    }


    if(pRoamProfile)
    {
        if ( LastBSSType != pRoamProfile->BSSType )
        {
            /*interface type changed update in wiphy structure*/
            wdev->iftype = type;

            /*the BSS mode changed, We need to issue disconnect
              if connected or in IBSS disconnect state*/
            if ( hdd_connGetConnectedBssType(
                 WLAN_HDD_GET_STATION_CTX_PTR(pAdapter), &connectedBssType ) ||
                ( eCSR_BSS_TYPE_START_IBSS == LastBSSType ) )
            {
                /*need to issue a disconnect to CSR.*/
                INIT_COMPLETION(pAdapter->disconnect_comp_var);
                if( eHAL_STATUS_SUCCESS ==
                        sme_RoamDisconnect( WLAN_HDD_GET_HAL_CTX(pAdapter),
                                pAdapter->sessionId,
                                eCSR_DISCONNECT_REASON_UNSPECIFIED ) )
                {
                    wait_for_completion_interruptible_timeout(
                              &pAdapter->disconnect_comp_var,
                              msecs_to_jiffies(WLAN_WAIT_TIME_DISCONNECT));
                }
            }
        }
    }

done:
    /*set bitmask based on updated value*/
    wlan_hdd_set_concurrency_mode(pHddCtx, pAdapter->device_mode);
#ifdef WLAN_BTAMP_FEATURE
    if((NL80211_IFTYPE_STATION == type) && (pHddCtx->concurrency_mode <= 1) && 
       (pHddCtx->no_of_sessions[WLAN_HDD_INFRA_STATION] <=1))
    {
        //we are ok to do AMP
        pHddCtx->isAmpAllowed = VOS_TRUE;
    }
#endif //WLAN_BTAMP_FEATURE
    EXIT();
    return 0;
}

static int wlan_hdd_change_station(struct wiphy *wiphy,
                                         struct net_device *dev,
                                         u8 *mac,
                                         struct station_parameters *params)
{
    VOS_STATUS status = VOS_STATUS_SUCCESS;
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev );
    v_MACADDR_t STAMacAddress;

    ENTER();

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    vos_mem_copy(STAMacAddress.bytes, mac, sizeof(v_MACADDR_t));

    if ( ( pAdapter->device_mode == WLAN_HDD_SOFTAP )
#ifdef WLAN_FEATURE_P2P
      || ( pAdapter->device_mode == WLAN_HDD_P2P_GO )
#endif
       )
    {
        if(params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 
        {
            status = hdd_softap_change_STA_state( pAdapter, &STAMacAddress, 
                                                  WLANTL_STA_AUTHENTICATED);

            VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,
                "%s: Station MAC address does not matching", __func__);
            return -EINVAL;
        }
    }
    
    EXIT();
    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_get_ibss_peer_staidx
 * This function is used to get peer station index in IBSS mode
 */
static u8 wlan_hdd_cfg80211_get_ibss_peer_staidx(hdd_adapter_t* pAdapter)
{
    u8 idx = 0;
    u8 temp[VOS_MAC_ADDR_SIZE] = {0}; 
    ENTER();
    memset(temp, 0, VOS_MAC_ADDR_SIZE);
    for ( idx = 0; idx < HDD_MAX_NUM_IBSS_STA; idx++ )
    {
        if ( (0 != 
            (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[idx]) 
          && memcmp((u8*)&(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.peerMacAddress[idx],
                                                     temp, VOS_MAC_ADDR_SIZE) 
           )
        {
            return idx;
        }
    }
    return idx;
}


/*
 * FUNCTION: wlan_hdd_cfg80211_add_key
 * This function is used to initialize the key information
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_cfg80211_add_key( struct wiphy *wiphy, 
                                      struct net_device *ndev,
                                      u8 key_index, bool pairwise,
                                      const u8 *mac_addr,
                                      struct key_params *params
                                      )
#else
static int wlan_hdd_cfg80211_add_key( struct wiphy *wiphy, 
                                      struct net_device *ndev,
                                      u8 key_index, const u8 *mac_addr,
                                      struct key_params *params
                                      )
#endif
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev ); 
    tCsrRoamSetKey  setKey;
    u8 groupmacaddr[WNI_CFG_BSSID_LEN] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
    int status = 0;
    v_U32_t roamId= 0xFF; 
    v_CONTEXT_t pVosContext = (WLAN_HDD_GET_CTX(pAdapter))->pvosContext;  
    hdd_hostapd_state_t *pHostapdState;
    VOS_STATUS vos_status;
    eHalStatus halStatus;

    ENTER();

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
            __func__,pAdapter->device_mode);

    if (CSR_MAX_NUM_KEY <= key_index)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid key index %d", __func__, 
                key_index);

        return -EINVAL;
    }

    hddLog(VOS_TRACE_LEVEL_INFO, 
            "%s: called with key index = %d & key length %d",
            __func__, key_index, params->key_len);

    /*extract key idx, key len and key*/
    vos_mem_zero(&setKey,sizeof(tCsrRoamSetKey));
    setKey.keyId = key_index;
    setKey.keyLength = params->key_len;
    vos_mem_copy(&setKey.Key[0],params->key, params->key_len);

    switch (params->cipher) 
    {
        case WLAN_CIPHER_SUITE_WEP40:
            setKey.encType = eCSR_ENCRYPT_TYPE_WEP40_STATICKEY;
            break;

        case WLAN_CIPHER_SUITE_WEP104:
            setKey.encType = eCSR_ENCRYPT_TYPE_WEP104_STATICKEY;
            break;

        case WLAN_CIPHER_SUITE_TKIP:
            {
                u8 *pKey = &setKey.Key[0];
                setKey.encType = eCSR_ENCRYPT_TYPE_TKIP;

                vos_mem_zero(pKey, CSR_MAX_KEY_LEN);

                /*Supplicant sends the 32bytes key in this order 

                  |--------------|----------|----------|
                  |   Tk1        |TX-MIC    |  RX Mic  | 
                  |--------------|----------|----------|
                  <---16bytes---><--8bytes--><--8bytes-->

                */
                /*Sme expects the 32 bytes key to be in the below order

                  |--------------|----------|----------|
                  |   Tk1        |RX-MIC    |  TX Mic  | 
                  |--------------|----------|----------|
                  <---16bytes---><--8bytes--><--8bytes-->
                  */
                /* Copy the Temporal Key 1 (TK1) */
                vos_mem_copy(pKey, params->key,16);

                /*Copy the rx mic first*/
                vos_mem_copy(&pKey[16],&params->key[24],8); 

                /*Copy the tx mic */
                vos_mem_copy(&pKey[24],&params->key[16],8); 


                break;
            }

        case WLAN_CIPHER_SUITE_CCMP:
            setKey.encType = eCSR_ENCRYPT_TYPE_AES;
            break;

#ifdef FEATURE_WLAN_WAPI
        case WLAN_CIPHER_SUITE_SMS4:
            {
                vos_mem_zero(&setKey,sizeof(tCsrRoamSetKey));
                wlan_hdd_cfg80211_set_key_wapi(pAdapter, key_index, mac_addr,
                        params->key, params->key_len);
                return 0;
            }
#endif
#ifdef FEATURE_WLAN_CCX
        case WLAN_CIPHER_SUITE_KRK:
            setKey.encType = eCSR_ENCRYPT_TYPE_KRK;
            break;
#endif
        default:
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: unsupported cipher type %lu",
                    __func__, params->cipher);
            return -EOPNOTSUPP;
    }

    hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: encryption type %d",
            __func__, setKey.encType);



    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
            || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       )
    {


        if ( 
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
                (!pairwise)
#else
                (!mac_addr || is_broadcast_ether_addr(mac_addr)) 
#endif
           )
        {
            /* set group key*/
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
                    "%s- %d: setting Broacast key",
                    __func__, __LINE__);
            setKey.keyDirection = eSIR_RX_ONLY;
            vos_mem_copy(setKey.peerMac,groupmacaddr,WNI_CFG_BSSID_LEN);
        }
        else
        {
            /* set pairwise key*/
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
                    "%s- %d: setting pairwise key",
                    __func__, __LINE__);
            setKey.keyDirection = eSIR_TX_RX;
            vos_mem_copy(setKey.peerMac, mac_addr,WNI_CFG_BSSID_LEN);
        }

        pHostapdState = WLAN_HDD_GET_HOSTAP_STATE_PTR(pAdapter);
        if( pHostapdState->bssState == BSS_START ) 
        { 
            status = WLANSAP_SetKeySta( pVosContext, &setKey);

            if ( status != eHAL_STATUS_SUCCESS )
            {
                VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                        "[%4d] WLANSAP_SetKeySta returned ERROR status= %d",
                        __LINE__, status );
            }
        }

        /* Saving WEP keys */
        else if( eCSR_ENCRYPT_TYPE_WEP40_STATICKEY  == setKey.encType ||
                eCSR_ENCRYPT_TYPE_WEP104_STATICKEY  == setKey.encType  )
        {
            //Save the wep key in ap context. Issue setkey after the BSS is started.
            hdd_ap_ctx_t *pAPCtx = WLAN_HDD_GET_AP_CTX_PTR(pAdapter);
            vos_mem_copy(&pAPCtx->wepKey[key_index], &setKey, sizeof(tCsrRoamSetKey));
        }
        else
        {
            //Save the key in ap context. Issue setkey after the BSS is started.
            hdd_ap_ctx_t *pAPCtx = WLAN_HDD_GET_AP_CTX_PTR(pAdapter); 
            vos_mem_copy(&pAPCtx->groupKey, &setKey, sizeof(tCsrRoamSetKey));
        }
    }
    else if ( (pAdapter->device_mode == WLAN_HDD_INFRA_STATION) 
#ifdef WLAN_FEATURE_P2P
            || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT)
#endif
            )
    {
        hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
        hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

        pWextState->roamProfile.Keys.KeyLength[key_index] = (u8)params->key_len;

        vos_mem_copy(&pWextState->roamProfile.Keys.KeyMaterial[key_index][0], 
                params->key, params->key_len);

        pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_SETTING_KEY;

    if (!(  ( IW_AUTH_KEY_MGMT_802_1X 
                    == (pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)) 
                    && (eCSR_AUTH_TYPE_OPEN_SYSTEM == pHddStaCtx->conn_info.authType)
             )
                &&
                (  (WLAN_CIPHER_SUITE_WEP40 == params->cipher)
                   || (WLAN_CIPHER_SUITE_WEP104 == params->cipher)
                )
           )
        {
            /* in case of static WEP, macaddr/bssid is not coming from nl80211
             * interface, copy bssid for pairwise key and group macaddr for 
             * group key initialization*/

            tCsrRoamProfile          *pRoamProfile = &pWextState->roamProfile;

            pWextState->roamProfile.negotiatedUCEncryptionType = 
                pHddStaCtx->conn_info.ucEncryptionType = 
                ((WLAN_CIPHER_SUITE_WEP40 == params->cipher) ?
                 eCSR_ENCRYPT_TYPE_WEP40_STATICKEY :
                 eCSR_ENCRYPT_TYPE_WEP104_STATICKEY);


            hddLog(VOS_TRACE_LEVEL_INFO_MED, 
                    "%s: Negotiated encryption type %d", __func__, 
                    pWextState->roamProfile.negotiatedUCEncryptionType);

            sme_SetCfgPrivacy((tpAniSirGlobal)WLAN_HDD_GET_HAL_CTX(pAdapter),
                    &pWextState->roamProfile, true);
            setKey.keyLength = 0;
            setKey.keyDirection =  eSIR_TX_RX;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
            if (pairwise) 
            {
#endif
                if (mac_addr)
                {
                    vos_mem_copy(setKey.peerMac, mac_addr,WNI_CFG_BSSID_LEN);
                }
                else
                {
                    /* macaddr is NULL, set the peerMac to bssId in case of BSS, 
                     * and peerMacAddress in case of IBSS*/
                    if (eCSR_BSS_TYPE_START_IBSS == pRoamProfile->BSSType)
                    {
                        u8 staidx = wlan_hdd_cfg80211_get_ibss_peer_staidx(pAdapter);
                        if (HDD_MAX_NUM_IBSS_STA != staidx)
                        {
                            vos_mem_copy(setKey.peerMac,
                                    &pHddStaCtx->conn_info.peerMacAddress[staidx],
                                    WNI_CFG_BSSID_LEN);

                        } 
                        else
                        {
                            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: No peerMac found", 
                                    __func__);
                            return -EOPNOTSUPP;
                        } 
                    }
                    else
                    {
                        vos_mem_copy(setKey.peerMac,
                                &pHddStaCtx->conn_info.bssId[0],
                                WNI_CFG_BSSID_LEN);
                    }
                }
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
            }
            else
            {
                /* set group key*/
                VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
                        "%s- %d: setting Group key",
                        __func__, __LINE__);
                setKey.keyDirection = eSIR_RX_ONLY;
                vos_mem_copy(setKey.peerMac, groupmacaddr, WNI_CFG_BSSID_LEN);
            }
#endif
        }
        else if (
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
                (!pairwise)
#else
                (!mac_addr || is_broadcast_ether_addr(mac_addr)) 
#endif
                )
        {
            /* set group key*/
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
                    "%s- %d: setting Group key",
                    __func__, __LINE__);
            setKey.keyDirection = eSIR_RX_ONLY;
            vos_mem_copy(setKey.peerMac,groupmacaddr,WNI_CFG_BSSID_LEN);
        }
        else
        {
            /* set pairwise key*/
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
                    "%s- %d: setting pairwise key",
                    __func__, __LINE__);
            setKey.keyDirection = eSIR_TX_RX;
            vos_mem_copy(setKey.peerMac, mac_addr,WNI_CFG_BSSID_LEN);
        }

        hddLog(VOS_TRACE_LEVEL_INFO_MED, 
                "%s: set key for peerMac %2x:%2x:%2x:%2x:%2x:%2x, direction %d",
                __func__, setKey.peerMac[0], setKey.peerMac[1], 
                setKey.peerMac[2], setKey.peerMac[3], 
                setKey.peerMac[4], setKey.peerMac[5], 
                setKey.keyDirection);

        vos_status = wlan_hdd_check_ula_done(pAdapter);

        if ( vos_status != VOS_STATUS_SUCCESS )
        {
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                    "[%4d] wlan_hdd_check_ula_done returned ERROR status= %d",
                    __LINE__, vos_status );

            pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_NONE;

            return -EINVAL;

        }

#ifdef WLAN_FEATURE_VOWIFI_11R
   /* The supplicant may attempt to set the PTK once pre-authentication is done.
        Save the key in the UMAC and include it in the ADD BSS request */
        /*TODO 11r - is this used?? */
        halStatus = sme_FTUpdateKey( WLAN_HDD_GET_HAL_CTX(pAdapter), &setKey);
        if( halStatus == eHAL_STATUS_SUCCESS )
        {
           return halStatus;
        }
#endif /* WLAN_FEATURE_VOWIFI_11R */

        /* issue set key request to SME*/
        status = sme_RoamSetKey( WLAN_HDD_GET_HAL_CTX(pAdapter),
                pAdapter->sessionId, &setKey, &roamId );

        if ( 0 != status )
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: sme_RoamSetKey failed, returned %d", __func__, status);
            pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_NONE;
            return -EINVAL;
        }


        /* in case of IBSS as there was no information available about WEP keys during 
         * IBSS join, group key intialized with NULL key, so re-initialize group key 
         * with correct value*/
        if ( (eCSR_BSS_TYPE_START_IBSS == pWextState->roamProfile.BSSType) && 
            !(  ( IW_AUTH_KEY_MGMT_802_1X 
                    == (pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)) 
                    && (eCSR_AUTH_TYPE_OPEN_SYSTEM == pHddStaCtx->conn_info.authType)
                 )
                &&
                (  (WLAN_CIPHER_SUITE_WEP40 == params->cipher)
                   || (WLAN_CIPHER_SUITE_WEP104 == params->cipher)
                )
           )
        {
            setKey.keyDirection = eSIR_RX_ONLY;
            vos_mem_copy(setKey.peerMac,groupmacaddr,WNI_CFG_BSSID_LEN);

            hddLog(VOS_TRACE_LEVEL_INFO_MED, 
                    "%s: set key peerMac %2x:%2x:%2x:%2x:%2x:%2x, direction %d",
                    __func__, setKey.peerMac[0], setKey.peerMac[1], 
                    setKey.peerMac[2], setKey.peerMac[3], 
                    setKey.peerMac[4], setKey.peerMac[5], 
                    setKey.keyDirection);

            status = sme_RoamSetKey( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                    pAdapter->sessionId, &setKey, &roamId );

            if ( 0 != status )
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, 
                        "%s: sme_RoamSetKey failed for group key (IBSS), returned %d", 
                        __func__, status);
                pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_NONE;
                return -EINVAL;
            }
        }
    }

    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_get_key
 * This function is used to get the key information
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_cfg80211_get_key( 
                        struct wiphy *wiphy, 
                        struct net_device *ndev,
                        u8 key_index, bool pairwise, 
                        const u8 *mac_addr, void *cookie,
                        void (*callback)(void *cookie, struct key_params*)
                        )
#else
static int wlan_hdd_cfg80211_get_key( 
                        struct wiphy *wiphy, 
                        struct net_device *ndev,
                        u8 key_index, const u8 *mac_addr, void *cookie,
                        void (*callback)(void *cookie, struct key_params*)
                        )
#endif
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev ); 
    hdd_wext_state_t *pWextState= WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    tCsrRoamProfile *pRoamProfile = &(pWextState->roamProfile);
    struct key_params params;

    ENTER();
    
    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                                 __func__,pAdapter->device_mode);
    
    memset(&params, 0, sizeof(params));

    if (CSR_MAX_NUM_KEY <= key_index)
    {
        return -EINVAL;
    }   

    switch(pRoamProfile->EncryptionType.encryptionType[0])
    {
        case eCSR_ENCRYPT_TYPE_NONE:
            params.cipher = IW_AUTH_CIPHER_NONE;
            break;

        case eCSR_ENCRYPT_TYPE_WEP40_STATICKEY:
        case eCSR_ENCRYPT_TYPE_WEP40:
            params.cipher = WLAN_CIPHER_SUITE_WEP40;
            break;

        case eCSR_ENCRYPT_TYPE_WEP104_STATICKEY:
        case eCSR_ENCRYPT_TYPE_WEP104:
            params.cipher = WLAN_CIPHER_SUITE_WEP104;
            break;

        case eCSR_ENCRYPT_TYPE_TKIP:
            params.cipher = WLAN_CIPHER_SUITE_TKIP;
            break;

        case eCSR_ENCRYPT_TYPE_AES:
            params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
            break;

        default:
            params.cipher = IW_AUTH_CIPHER_NONE;
            break;
    }

    params.key_len = pRoamProfile->Keys.KeyLength[key_index];
    params.seq_len = 0;
    params.seq = NULL;
    params.key = &pRoamProfile->Keys.KeyMaterial[key_index][0];
    callback(cookie, &params);
    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_del_key
 * This function is used to delete the key information
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_cfg80211_del_key( struct wiphy *wiphy, 
                                      struct net_device *ndev,
                                      u8 key_index, 
                                      bool pairwise, 
                                      const u8 *mac_addr
                                    )
#else
static int wlan_hdd_cfg80211_del_key( struct wiphy *wiphy, 
                                      struct net_device *ndev,
                                      u8 key_index,
                                      const u8 *mac_addr
                                    )
#endif
{
    int status = 0;

    //This code needs to be revisited. There is sme_removeKey API, we should
    //plan to use that. After the change to use correct index in setkey, 
    //it is observed that this is invalidating peer
    //key index whenever re-key is done. This is affecting data link.
    //It should be ok to ignore del_key.
#if 0
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev ); 
    v_CONTEXT_t pVosContext = (WLAN_HDD_GET_CTX(pAdapter))->pvosContext;  
    u8 groupmacaddr[WNI_CFG_BSSID_LEN] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
    tCsrRoamSetKey  setKey;
    v_U32_t roamId= 0xFF;
    
    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "%s: device_mode = %d\n",
                                     __func__,pAdapter->device_mode);

    if (CSR_MAX_NUM_KEY <= key_index)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid key index %d", __func__, 
                key_index);

        return -EINVAL;
    }

    vos_mem_zero(&setKey,sizeof(tCsrRoamSetKey));
    setKey.keyId = key_index;

    if (mac_addr)
        vos_mem_copy(setKey.peerMac, mac_addr,WNI_CFG_BSSID_LEN);
    else
        vos_mem_copy(setKey.peerMac, groupmacaddr, WNI_CFG_BSSID_LEN);

    setKey.encType = eCSR_ENCRYPT_TYPE_NONE;

    if ((pAdapter->device_mode == WLAN_HDD_SOFTAP)
#ifdef WLAN_FEATURE_P2P
      || (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
       ) 
    { 
       
        hdd_hostapd_state_t *pHostapdState =  
                                  WLAN_HDD_GET_HOSTAP_STATE_PTR(pAdapter);
        if( pHostapdState->bssState == BSS_START)
        {
            status = WLANSAP_SetKeySta( pVosContext, &setKey);
    
            if ( status != eHAL_STATUS_SUCCESS )
            {
                VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                     "[%4d] WLANSAP_SetKeySta returned ERROR status= %d",
                     __LINE__, status );
            }
        }
    }
    else if ( (pAdapter->device_mode == WLAN_HDD_INFRA_STATION)
#ifdef WLAN_FEATURE_P2P
           || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT) 
#endif
            )
    {
        hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

        pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_SETTING_KEY;   
    
        hddLog(VOS_TRACE_LEVEL_INFO_MED, 
                "%s: delete key for peerMac %2x:%2x:%2x:%2x:%2x:%2x",
                __func__, setKey.peerMac[0], setKey.peerMac[1], 
                setKey.peerMac[2], setKey.peerMac[3], 
                setKey.peerMac[4], setKey.peerMac[5]);
        if(pAdapter->sessionCtx.station.conn_info.connState == 
                                       eConnectionState_Associated) 
        {
            status = sme_RoamSetKey( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                                   pAdapter->sessionId, &setKey, &roamId );
        
            if ( 0 != status )
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, 
                        "%s: sme_RoamSetKey failure, returned %d",
                                                     __func__, status);
                pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_NONE;
                return -EINVAL;
            }
        }
    }
#endif
    EXIT();
    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_default_key
 * This function is used to set the default tx key index
 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_cfg80211_set_default_key( struct wiphy *wiphy,
                                              struct net_device *ndev,
                                              u8 key_index,
                                              bool unicast, bool multicast)
#else
static int wlan_hdd_cfg80211_set_default_key( struct wiphy *wiphy,
                                              struct net_device *ndev,
                                              u8 key_index)
#endif
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev ); 
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    int status = 0;
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d key_index = %d \n",
                                         __func__,pAdapter->device_mode, key_index);
   
    if (CSR_MAX_NUM_KEY <= key_index)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid key index %d", __func__, 
                key_index);

        return -EINVAL;
    }

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }
    
    if ((pAdapter->device_mode == WLAN_HDD_INFRA_STATION)
#ifdef WLAN_FEATURE_P2P
     || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT)
#endif
       ) 
    {
        if ( (key_index != pWextState->roamProfile.Keys.defaultIndex) && 
             (eCSR_ENCRYPT_TYPE_TKIP != 
                pWextState->roamProfile.EncryptionType.encryptionType[0]) &&
             (eCSR_ENCRYPT_TYPE_AES != 
                pWextState->roamProfile.EncryptionType.encryptionType[0])
           )
        {  
            /* if default key index is not same as previous one, 
             * then update the default key index */
    
            tCsrRoamSetKey  setKey;
            v_U32_t roamId= 0xFF;
            tCsrKeys *Keys = &pWextState->roamProfile.Keys;
            
            hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "%s: default tx key index %d", 
                    __func__, key_index);
            
            Keys->defaultIndex = (u8)key_index;
            vos_mem_zero(&setKey,sizeof(tCsrRoamSetKey));
            setKey.keyId = key_index;
            setKey.keyLength = Keys->KeyLength[key_index];
            
            vos_mem_copy(&setKey.Key[0], 
                    &Keys->KeyMaterial[key_index][0], 
                    Keys->KeyLength[key_index]);
    
            setKey.keyDirection = eSIR_TX_ONLY;
    
            vos_mem_copy(setKey.peerMac, 
                    &pHddStaCtx->conn_info.bssId[0],
                    WNI_CFG_BSSID_LEN);
    
            setKey.encType = 
                pWextState->roamProfile.EncryptionType.encryptionType[0];
             
            /* issue set key request */
            status = sme_RoamSetKey( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                                   pAdapter->sessionId, &setKey, &roamId );
    
            if ( 0 != status )
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, 
                        "%s: sme_RoamSetKey failed, returned %d", __func__, 
                        status);
                return -EINVAL;
            }
        }
    }

    /* In SoftAp mode setting key direction for default mode */
    else if ( WLAN_HDD_SOFTAP == pAdapter->device_mode )
    {
        if ( (eCSR_ENCRYPT_TYPE_TKIP !=
                pWextState->roamProfile.EncryptionType.encryptionType[0]) &&
             (eCSR_ENCRYPT_TYPE_AES !=
                pWextState->roamProfile.EncryptionType.encryptionType[0])
           )
        {
            /*  Saving key direction for default key index to TX default */
            hdd_ap_ctx_t *pAPCtx = WLAN_HDD_GET_AP_CTX_PTR(pAdapter);
            pAPCtx->wepKey[key_index].keyDirection = eSIR_TX_DEFAULT;
        }
    }
 
    return status;
}

/**
 * FUNCTION: wlan_hdd_cfg80211_set_channel
 * This function is used to set the channel number 
 */
int wlan_hdd_cfg80211_set_channel( struct wiphy *wiphy, struct net_device *dev,
                                   struct ieee80211_channel *chan,
                                   enum nl80211_channel_type channel_type
                                 )
{
    v_U32_t num_ch = 0;
    u32 channel = 0;
    hdd_adapter_t *pAdapter = NULL; 
    int freq = chan->center_freq; /* freq is in MHZ */ 
 
    ENTER();

    if( NULL == dev )
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: Called with dev = NULL.\n", __func__);
        return -ENODEV;
    }
    pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); 
    
    hddLog(VOS_TRACE_LEVEL_INFO, 
                "%s: device_mode = %d  freq = %d \n",__func__, 
                            pAdapter->device_mode, chan->center_freq);
    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
        return -EAGAIN;
    }

    /* 
     * Do freq to chan conversion
     * TODO: for 11a
     */

    channel = ieee80211_frequency_to_channel(freq);
    
    /* Check freq range */
    if ((WNI_CFG_CURRENT_CHANNEL_STAMIN > channel) || 
            (WNI_CFG_CURRENT_CHANNEL_STAMAX < channel)) 
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: Channel [%d] is outside valid range from %d to %d\n",
                __func__, channel, WNI_CFG_CURRENT_CHANNEL_STAMIN,
                WNI_CFG_CURRENT_CHANNEL_STAMAX);
        return -EINVAL;
    }

    num_ch = WNI_CFG_VALID_CHANNEL_LIST_LEN;

    if ((WLAN_HDD_SOFTAP != pAdapter->device_mode)
#ifdef WLAN_FEATURE_P2P
     && (WLAN_HDD_P2P_GO != pAdapter->device_mode)
#endif
      )
    {
        if(VOS_STATUS_SUCCESS != wlan_hdd_validate_operation_channel(pAdapter,channel))
        {
            hddLog(VOS_TRACE_LEVEL_ERROR,
                    "%s: Invalid Channel [%d] \n", __func__, channel);
            return -EINVAL;
        }
        hddLog(VOS_TRACE_LEVEL_INFO_HIGH, 
                "%s: set channel to [%d] for device mode =%d", 
                          __func__, channel,pAdapter->device_mode);
    }
    if( (pAdapter->device_mode == WLAN_HDD_INFRA_STATION)
#ifdef WLAN_FEATURE_P2P
     || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT)
#endif
      )
    {
        hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter); 
        tCsrRoamProfile * pRoamProfile = &pWextState->roamProfile;
        hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

        if (eConnectionState_IbssConnected == pHddStaCtx->conn_info.connState)
        {
           /* Link is up then return cant set channel*/
            hddLog( VOS_TRACE_LEVEL_ERROR, 
                   "%s: IBSS Associated, can't set the channel\n", __func__);
            return -EINVAL;
        }

        num_ch = pRoamProfile->ChannelInfo.numOfChannels = 1;
        pHddStaCtx->conn_info.operationChannel = channel; 
        pRoamProfile->ChannelInfo.ChannelList = 
            &pHddStaCtx->conn_info.operationChannel; 
    }
    else if ((pAdapter->device_mode == WLAN_HDD_SOFTAP) 
#ifdef WLAN_FEATURE_P2P
        ||   (pAdapter->device_mode == WLAN_HDD_P2P_GO)
#endif
            ) 
    {
        (WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->sapConfig.channel = channel;

        if ( WLAN_HDD_SOFTAP == pAdapter->device_mode )
        {
            hdd_config_t *cfg_param = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini;

            /* If auto channel selection is configured as enable/ 1 then ignore
            channel set by supplicant
            */
            if ( cfg_param->apAutoChannelSelection )
            {
                (WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->sapConfig.channel = AUTO_CHANNEL_SELECT;

                hddLog(VOS_TRACE_LEVEL_INFO_HIGH,
                       "%s: set channel to auto channel (0) for device mode =%d",
                       __func__, pAdapter->device_mode);
            }
        }
    }
    else 
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, 
               "%s: Invalid device mode failed to set valid channel", __func__);
        return -EINVAL;
    }
    EXIT();
    return 0;
}



/*
 * FUNCTION: wlan_hdd_cfg80211_inform_bss
 * This function is used to inform the BSS details to nl80211 interface.
 */
static struct cfg80211_bss* wlan_hdd_cfg80211_inform_bss(
                    hdd_adapter_t *pAdapter, tCsrRoamConnectedProfile *roamProfile)
{
    struct net_device *dev = pAdapter->dev;
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct wiphy *wiphy = wdev->wiphy;
    tSirBssDescription *pBssDesc = roamProfile->pBssDesc;
    int chan_no;
    int ie_length;
    const char *ie;
    unsigned int freq;
    struct ieee80211_channel *chan;
    int rssi = 0;
    struct cfg80211_bss *bss = NULL;

    ENTER();

    if( NULL == pBssDesc )
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: pBssDesc is NULL\n", __func__);
        return bss;
    }

    chan_no = pBssDesc->channelId;
    ie_length = GET_IE_LEN_IN_BSS_DESC( pBssDesc->length );
    ie =  ((ie_length != 0) ? (const char *)&pBssDesc->ieFields: NULL);

    if( NULL == ie )
    {
       hddLog(VOS_TRACE_LEVEL_FATAL, "%s: IE of BSS descriptor is NULL\n", __func__);
       return bss;
    }

#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,38))
    if (chan_no <= ARRAY_SIZE(hdd_channels_2_4_GHZ))
    {
        freq = ieee80211_channel_to_frequency(chan_no, IEEE80211_BAND_2GHZ);
    }
    else
    {
        freq = ieee80211_channel_to_frequency(chan_no, IEEE80211_BAND_5GHZ);
    }
#else
    freq = ieee80211_channel_to_frequency(chan_no);
#endif

    chan = __ieee80211_get_channel(wiphy, freq);

    bss = cfg80211_get_bss(wiphy, chan, pBssDesc->bssId,
                           &roamProfile->SSID.ssId[0], roamProfile->SSID.length,
                           WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
    if (bss == NULL)
    {
        rssi = (VOS_MIN ((pBssDesc->rssi + pBssDesc->sinr), 0))*100;

        return (cfg80211_inform_bss(wiphy, chan, pBssDesc->bssId, 
                le64_to_cpu(*(__le64 *)pBssDesc->timeStamp), 
                pBssDesc->capabilityInfo,
                pBssDesc->beaconInterval, ie, ie_length,
                rssi, GFP_KERNEL ));
}
    else
    {
        return bss;
    }
}



/*
 * FUNCTION: wlan_hdd_cfg80211_inform_bss_frame
 * This function is used to inform the BSS details to nl80211 interface.
 */
struct cfg80211_bss*
wlan_hdd_cfg80211_inform_bss_frame( hdd_adapter_t *pAdapter,
                                    tSirBssDescription *bss_desc
                                    )
{
    /*
      cfg80211_inform_bss() is not updating ie field of bss entry, if entry
      already exists in bss data base of cfg80211 for that particular BSS ID.
      Using cfg80211_inform_bss_frame to update the bss entry instead of
      cfg80211_inform_bss, But this call expects mgmt packet as input. As of
      now there is no possibility to get the mgmt(probe response) frame from PE,
      converting bss_desc to ieee80211_mgmt(probe response) and passing to
      cfg80211_inform_bss_frame.
     */
    struct net_device *dev = pAdapter->dev;
    struct wireless_dev *wdev = dev->ieee80211_ptr;
    struct wiphy *wiphy = wdev->wiphy;
    int chan_no = bss_desc->channelId;
#ifdef WLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
    qcom_ie_age *qie_age = NULL;
    int ie_length = GET_IE_LEN_IN_BSS_DESC( bss_desc->length ) + sizeof(qcom_ie_age);
#else
    int ie_length = GET_IE_LEN_IN_BSS_DESC( bss_desc->length );
#endif
    const char *ie =
        ((ie_length != 0) ? (const char *)&bss_desc->ieFields: NULL);
    unsigned int freq;
    struct ieee80211_channel *chan;
    struct ieee80211_mgmt *mgmt =
        kzalloc((sizeof (struct ieee80211_mgmt) + ie_length), GFP_KERNEL);
    struct cfg80211_bss *bss_status = NULL;
    size_t frame_len = sizeof (struct ieee80211_mgmt) + ie_length;
    int rssi = 0;
#ifdef WLAN_OPEN_SOURCE
    struct timespec ts;
#endif

    ENTER();

    if (!mgmt)
        return NULL;

    memcpy(mgmt->bssid, bss_desc->bssId, ETH_ALEN);

#ifdef WLAN_OPEN_SOURCE
    /* Android does not want the timestamp from the frame.
       Instead it wants a monotonic increasing value */
    get_monotonic_boottime(&ts);
    mgmt->u.probe_resp.timestamp =
         ((u64)ts.tv_sec * 1000000) + (ts.tv_nsec / 1000);
#else
    /* keep old behavior for non-open source (for now) */
    memcpy(&mgmt->u.probe_resp.timestamp, bss_desc->timeStamp,
            sizeof (bss_desc->timeStamp));

#endif

    mgmt->u.probe_resp.beacon_int = bss_desc->beaconInterval;
    mgmt->u.probe_resp.capab_info = bss_desc->capabilityInfo;

#ifdef WLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
    /* GPS Requirement: need age ie per entry. Using vendor specific. */
    /* Assuming this is the last IE, copy at the end */
    ie_length           -=sizeof(qcom_ie_age);
    qie_age =  (qcom_ie_age *)(mgmt->u.probe_resp.variable + ie_length);
    qie_age->element_id = QCOM_VENDOR_IE_ID;
    qie_age->len        = QCOM_VENDOR_IE_AGE_LEN;
    qie_age->oui_1      = QCOM_OUI1;
    qie_age->oui_2      = QCOM_OUI2;
    qie_age->oui_3      = QCOM_OUI3;
    qie_age->type       = QCOM_VENDOR_IE_AGE_TYPE;
    qie_age->age        = vos_timer_get_system_ticks() - bss_desc->nReceivedTime;
#endif

    memcpy(mgmt->u.probe_resp.variable, ie, ie_length);

    mgmt->frame_control |=
        (u16)(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);

#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,38))
    if (chan_no <= ARRAY_SIZE(hdd_channels_2_4_GHZ) && 
        (wiphy->bands[IEEE80211_BAND_2GHZ] != NULL))
    {
        freq = ieee80211_channel_to_frequency(chan_no, IEEE80211_BAND_2GHZ);
    }
    else if ((chan_no > ARRAY_SIZE(hdd_channels_2_4_GHZ)) && 
        (wiphy->bands[IEEE80211_BAND_5GHZ] != NULL))

    {
        freq = ieee80211_channel_to_frequency(chan_no, IEEE80211_BAND_5GHZ);
    }
    else
    {
        kfree(mgmt);
        return NULL;
    }
#else
    freq = ieee80211_channel_to_frequency(chan_no);
#endif
    chan = __ieee80211_get_channel(wiphy, freq);

    /*To keep the rssi icon of the connected AP in the scan window
    *and the rssi icon of the wireless networks in sync 
    * */
    if (( eConnectionState_Associated ==
             pAdapter->sessionCtx.station.conn_info.connState ) &&
             ( VOS_TRUE == vos_mem_compare(bss_desc->bssId,
                             pAdapter->sessionCtx.station.conn_info.bssId,
                             WNI_CFG_BSSID_LEN)))
    {
       /* supplicant takes the signal strength in terms of mBm(100*dBm) */
       rssi = (pAdapter->rssi * 100);
    }
    else
    {
       rssi = (VOS_MIN ((bss_desc->rssi + bss_desc->sinr), 0))*100;
    }

    bss_status = cfg80211_inform_bss_frame(wiphy, chan, mgmt,
            frame_len, rssi, GFP_KERNEL);
    kfree(mgmt);
    return bss_status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_update_bss_db
 * This function is used to update the BSS data base of CFG8011
 */
struct cfg80211_bss* wlan_hdd_cfg80211_update_bss_db( hdd_adapter_t *pAdapter, 
                                      tCsrRoamInfo *pRoamInfo
                                      )
{
    tCsrRoamConnectedProfile roamProfile;
    tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
    struct cfg80211_bss *bss = NULL;

    ENTER();

    memset(&roamProfile, 0, sizeof(tCsrRoamConnectedProfile));
    sme_RoamGetConnectProfile(hHal, pAdapter->sessionId, &roamProfile);

    if (NULL != roamProfile.pBssDesc)
    {
        bss = wlan_hdd_cfg80211_inform_bss(pAdapter, 
                &roamProfile);

        if (NULL == bss)
        {
            hddLog(VOS_TRACE_LEVEL_INFO, "%s: cfg80211_inform_bss return NULL",
                    __func__);
        }

        sme_RoamFreeConnectProfile(hHal, &roamProfile);
    }
    else
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s:  roamProfile.pBssDesc is NULL",
                __func__);
    }
    return bss;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_update_bss
 */
static int wlan_hdd_cfg80211_update_bss( struct wiphy *wiphy, 
                                         hdd_adapter_t *pAdapter 
                                        )
{   
    tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
    tCsrScanResultInfo *pScanResult;
    eHalStatus status = 0;
    tScanResultHandle pResult;
    struct cfg80211_bss *bss_status = NULL;

    ENTER();

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
      VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, "%s:LOGP in Progress. Ignore!!!",__func__);
      return -EAGAIN;
    }

    /*
     * start getting scan results and populate cgf80211 BSS database
     */
    status = sme_ScanGetResult(hHal, pAdapter->sessionId, NULL, &pResult);

    /* no scan results */
    if (NULL == pResult)
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: No scan result\n", __func__);
        return status;
    }

    pScanResult = sme_ScanResultGetFirst(hHal, pResult);

    while (pScanResult)
    {
        /* 
         * cfg80211_inform_bss() is not updating ie field of bss entry, if 
         * entry already exists in bss data base of cfg80211 for that 
         * particular BSS ID.  Using cfg80211_inform_bss_frame to update the 
         * bss entry instead of cfg80211_inform_bss, But this call expects 
         * mgmt packet as input. As of now there is no possibility to get 
         * the mgmt(probe response) frame from PE, converting bss_desc to 
         * ieee80211_mgmt(probe response) and passing to c
         * fg80211_inform_bss_frame.
         * */

        bss_status = wlan_hdd_cfg80211_inform_bss_frame(pAdapter,
                &pScanResult->BssDescriptor);
    

        if (NULL == bss_status)
        {
            hddLog(VOS_TRACE_LEVEL_INFO,
                    "%s: NULL returned by cfg80211_inform_bss\n", __func__);
        }
        else
        {
            cfg80211_put_bss(bss_status);
        }

        pScanResult = sme_ScanResultGetNext(hHal, pResult);
    }

    sme_ScanResultPurge(hHal, pResult); 

    return 0; 
}

void
hddPrintMacAddr(tCsrBssid macAddr, tANI_U8 logLevel)
{
    VOS_TRACE(VOS_MODULE_ID_HDD, logLevel, 
              "%02X:%02X:%02X:%02X:%02X:%02X\n",
              macAddr[0], macAddr[1], macAddr[2], macAddr[3], macAddr[4],
              macAddr[5]);
} /****** end hddPrintMacAddr() ******/

void
hddPrintPmkId(tANI_U8 *pmkId, tANI_U8 logLevel)
{
    VOS_TRACE(VOS_MODULE_ID_HDD, logLevel, 
              "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
              pmkId[0], pmkId[1], pmkId[2], pmkId[3], pmkId[4],
              pmkId[5], pmkId[6], pmkId[7], pmkId[8], pmkId[9], pmkId[10],
              pmkId[11], pmkId[12], pmkId[13], pmkId[14], pmkId[15]);
} /****** end hddPrintPmkId() ******/

//hddPrintMacAddr(tCsrBssid macAddr, tANI_U8 logLevel);
//hddPrintMacAddr(macAddr, VOS_TRACE_LEVEL_FATAL);

//void sirDumpBuf(tpAniSirGlobal pMac, tANI_U8 modId, tANI_U32 level, tANI_U8 *buf, tANI_U32 size);
//sirDumpBuf(pMac, VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, pmkid, 16);

#define dump_bssid(bssid) \
    { \
        hddLog(VOS_TRACE_LEVEL_INFO, "BSSID (MAC) address:\t"); \
        hddPrintMacAddr(bssid, VOS_TRACE_LEVEL_INFO);\
        hddLog(VOS_TRACE_LEVEL_INFO, "\n"); \
    }

#define dump_pmkid(pMac, pmkid) \
    { \
        hddLog(VOS_TRACE_LEVEL_INFO, "PMKSA-ID:\t"); \
        hddPrintPmkId(pmkid, VOS_TRACE_LEVEL_INFO);\
        hddLog(VOS_TRACE_LEVEL_INFO, "\n"); \
    }

#if defined(FEATURE_WLAN_LFR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
/*
 * FUNCTION: wlan_hdd_cfg80211_pmksa_candidate_notify
 * This function is used to notify the supplicant of a new PMKSA candidate.
 */
int wlan_hdd_cfg80211_pmksa_candidate_notify(
                    hdd_adapter_t *pAdapter, tCsrRoamInfo *pRoamInfo, 
                    int index, bool preauth )
{
#ifdef FEATURE_WLAN_OKC
    struct net_device *dev = pAdapter->dev;

    ENTER();
    hddLog(VOS_TRACE_LEVEL_INFO, "%s is going to notify supplicant of:", __func__);

    if( NULL == pRoamInfo )
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: pRoamInfo is NULL\n", __func__);
        return -EINVAL;
    }

    dump_bssid(pRoamInfo->bssid);
    cfg80211_pmksa_candidate_notify(dev, index,
                                    pRoamInfo->bssid, preauth, GFP_KERNEL);
#endif  /* FEATURE_WLAN_OKC */
    return 0; 
}
#endif //FEATURE_WLAN_LFR

/*
 * FUNCTION: hdd_cfg80211_scan_done_callback
 * scanning callback function, called after finishing scan
 *
 */
static eHalStatus hdd_cfg80211_scan_done_callback(tHalHandle halHandle, 
        void *pContext, tANI_U32 scanId, eCsrScanStatus status)
{
    struct net_device *dev = (struct net_device *) pContext;
    //struct wireless_dev *wdev = dev->ieee80211_ptr;    
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev );
    hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
    hdd_scaninfo_t *pScanInfo = &pHddCtx->scan_info;
    struct cfg80211_scan_request *req = NULL;
    int ret = 0;

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO,
            "%s called with halHandle = %p, pContext = %p,"
            "scanID = %d, returned status = %d\n", 
            __func__, halHandle, pContext, (int) scanId, (int) status);

    //Block on scan req completion variable. Can't wait forever though.
    ret = wait_for_completion_interruptible_timeout(
                         &pScanInfo->scan_req_completion_event,
                         msecs_to_jiffies(WLAN_WAIT_TIME_SCAN_REQ));
    if (!ret)
    {
       VOS_ASSERT(pScanInfo->mScanPending);
       goto allow_suspend;
    }

    if(pScanInfo->mScanPending != VOS_TRUE)
    {
        VOS_ASSERT(pScanInfo->mScanPending);
        goto allow_suspend;
    }

    /* Check the scanId */
    if (pScanInfo->scanId != scanId) 
    {
        hddLog(VOS_TRACE_LEVEL_INFO,
                "%s called with mismatched scanId pScanInfo->scanId = %d "
                "scanId = %d \n", __func__, (int) pScanInfo->scanId, 
                (int) scanId);
    }

    ret = wlan_hdd_cfg80211_update_bss((WLAN_HDD_GET_CTX(pAdapter))->wiphy, 
                                        pAdapter);

    if (0 > ret)
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: NO SCAN result", __func__);    


    /* If any client wait scan result through WEXT
     * send scan done event to client */
    if (pHddCtx->scan_info.waitScanResult)
    {
        /* The other scan request waiting for current scan finish
         * Send event to notify current scan finished */
        if(WEXT_SCAN_PENDING_DELAY == pHddCtx->scan_info.scan_pending_option)
        {
            vos_event_set(&pHddCtx->scan_info.scan_finished_event);
        }
        /* Send notify to WEXT client */
        else if(WEXT_SCAN_PENDING_PIGGYBACK == pHddCtx->scan_info.scan_pending_option)
        {
            struct net_device *dev = pAdapter->dev;
            union iwreq_data wrqu;
            int we_event;
            char *msg;

            memset(&wrqu, '\0', sizeof(wrqu));
            we_event = SIOCGIWSCAN;
            msg = NULL;
            wireless_send_event(dev, we_event, &wrqu, msg);
        }
    }
    pHddCtx->scan_info.waitScanResult = FALSE;

    /* Get the Scan Req */
    req = pAdapter->request;

    if (!req)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "request is became NULL\n");
        pScanInfo->mScanPending = VOS_FALSE;
        goto allow_suspend;
    }

    /*
     * setting up 0, just in case.
     */  
    req->n_ssids = 0;
    req->n_channels = 0;
    req->ie = 0;

    pAdapter->request = NULL;
    /* Scan is no longer pending */
    pScanInfo->mScanPending = VOS_FALSE;

    /*
     * cfg80211_scan_done informing NL80211 about completion
     * of scanning
     */
    cfg80211_scan_done(req, false);
    complete(&pScanInfo->abortscan_event_var);

allow_suspend:
    /* release the wake lock at the end of the scan*/
    hdd_allow_suspend();

    /* Acquire wakelock to handle the case where APP's tries to suspend
     * immediatly after the driver gets connect request(i.e after scan)
     * from supplicant, this result in app's is suspending and not able
     * to process the connect request to AP */
    hdd_allow_suspend_timeout(100);

    EXIT();
    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_scan
 * this scan respond to scan trigger and update cfg80211 scan database
 * later, scan dump command can be used to recieve scan results
 */
int wlan_hdd_cfg80211_scan( struct wiphy *wiphy, struct net_device *dev,
        struct cfg80211_scan_request *request)
{  
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); 
    hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX( pAdapter );
    hdd_wext_state_t *pwextBuf = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    hdd_config_t *cfg_param = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini;
    tCsrScanRequest scanRequest;
    tANI_U8 *channelList = NULL, i;
    v_U32_t scanId = 0;
    int status = 0;
    hdd_scaninfo_t *pScanInfo = &pHddCtx->scan_info;
#ifdef WLAN_FEATURE_P2P
    v_U8_t* pP2pIe = NULL;
#endif

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",
                                   __func__,pAdapter->device_mode);

    if( (WLAN_HDD_INFRA_STATION == pAdapter->device_mode) &&
        (eConnectionState_Connecting ==
           (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.connState) )
    {
        hddLog(VOS_TRACE_LEVEL_ERROR,
                "%s: %p(%d) Connection in progress: Scan request denied (EBUSY)", __func__, \
                WLAN_HDD_GET_STATION_CTX_PTR(pAdapter), pAdapter->sessionId);
        return -EBUSY;
    }

#ifdef WLAN_BTAMP_FEATURE
    //Scan not supported when AMP traffic is on.
    if( VOS_TRUE == WLANBAP_AmpSessionOn() )
    {
        hddLog(VOS_TRACE_LEVEL_ERROR,
                "%s: No scanning when AMP is on", __func__);
        return -EOPNOTSUPP;
    }
#endif
    //Scan on any other interface is not supported.
    if( pAdapter->device_mode == WLAN_HDD_SOFTAP ) 
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: Not scanning on device_mode = %d",
                                    __func__, pAdapter->device_mode);
        return -EOPNOTSUPP;
    }

    if (TRUE == pScanInfo->mScanPending)
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: mScanPending is TRUE", __func__);
        return -EBUSY;                  
    }

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                  "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLoadUnloadInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
                  "%s:Unloading/Loading in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }
    //Don't Allow Scan and return busy if Remain On 
    //Channel and action frame is pending
    //Otherwise Cancel Remain On Channel and allow Scan
    //If no action frame pending
    if(0 != wlan_hdd_check_remain_on_channel(pAdapter))
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: Remain On Channel Pending", __func__);
        return -EBUSY;
    }

    if (mutex_lock_interruptible(&pHddCtx->tmInfo.tmOperationLock))
    {
        VOS_TRACE(VOS_MODULE_ID_HDD,VOS_TRACE_LEVEL_ERROR,
                  "%s: Aquire lock fail", __func__);
        return -EAGAIN;
    }    
    if (TRUE == pHddCtx->tmInfo.tmAction.enterImps)
    {
        hddLog(VOS_TRACE_LEVEL_WARN,
               "%s: MAX TM Level Scan not allowed", __func__);
        mutex_unlock(&pHddCtx->tmInfo.tmOperationLock);
        return -EBUSY;                  
    }
    mutex_unlock(&pHddCtx->tmInfo.tmOperationLock);

    vos_mem_zero( &scanRequest, sizeof(scanRequest));

    if (NULL != request)
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "scan request for ssid = %d",
               (int)request->n_ssids);  

        /* Even though supplicant doesn't provide any SSIDs, n_ssids is set to 1.
         * Becasue of this, driver is assuming that this is not wildcard scan and so
         * is not aging out the scan results.
         */
        if (request->ssids && '\0' == request->ssids->ssid[0])
        {
            request->n_ssids = 0;
        }

        if ((request->ssids) && (0 < request->n_ssids))
        {
            tCsrSSIDInfo *SsidInfo;
            int j;
            scanRequest.SSIDs.numOfSSIDs = request->n_ssids;
            /* Allocate num_ssid tCsrSSIDInfo structure */
            SsidInfo = scanRequest.SSIDs.SSIDList =
                      ( tCsrSSIDInfo *)vos_mem_malloc(
                              request->n_ssids*sizeof(tCsrSSIDInfo));

            if(NULL == scanRequest.SSIDs.SSIDList)
            {
                hddLog(VOS_TRACE_LEVEL_ERROR,
                               "memory alloc failed SSIDInfo buffer");
                return -ENOMEM;
            }

            /* copy all the ssid's and their length */
            for(j = 0; j < request->n_ssids; j++, SsidInfo++)
            {
                /* get the ssid length */
                SsidInfo->SSID.length = request->ssids[j].ssid_len;
                vos_mem_copy(SsidInfo->SSID.ssId, &request->ssids[j].ssid[0],
                             SsidInfo->SSID.length);
                SsidInfo->SSID.ssId[SsidInfo->SSID.length] = '\0';
                hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "SSID number %d:  %s",
                                                   j, SsidInfo->SSID.ssId);
            }
            /* set the scan type to active */
            scanRequest.scanType = eSIR_ACTIVE_SCAN;
        }
        else if(WLAN_HDD_P2P_GO == pAdapter->device_mode)
        {
            /* set the scan type to active */
            scanRequest.scanType = eSIR_ACTIVE_SCAN;
        }
        else
        {
            /*Set the scan type to default type, in this case it is ACTIVE*/
            scanRequest.scanType = pScanInfo->scan_mode;
        }
        scanRequest.minChnTime = cfg_param->nActiveMinChnTime; 
        scanRequest.maxChnTime = cfg_param->nActiveMaxChnTime;
    }
    else
    {
        /* set the scan type to active */
        scanRequest.scanType = eSIR_ACTIVE_SCAN;
        vos_mem_set( scanRequest.bssid, sizeof( tCsrBssid ), 0xff );

        /* set min and max channel time to zero */
        scanRequest.minChnTime = 0;
        scanRequest.maxChnTime = 0;
    }

    /* set BSSType to default type */
    scanRequest.BSSType = eCSR_BSS_TYPE_ANY;

    /*TODO: scan the requested channels only*/

    /*Right now scanning all the channels */
    if( request )
    {
        if( request->n_channels )
        {
            channelList = vos_mem_malloc( request->n_channels );
            if( NULL == channelList )
            {
                status = -ENOMEM;
                goto free_mem;
            }

            for( i = 0 ; i < request->n_channels ; i++ )
                channelList[i] = request->channels[i]->hw_value;
        }

        scanRequest.ChannelInfo.numOfChannels = request->n_channels;
        scanRequest.ChannelInfo.ChannelList = channelList;

        /* set requestType to full scan */
        scanRequest.requestType = eCSR_SCAN_REQUEST_FULL_SCAN;
 
        /* Flush the scan results(only p2p beacons) for STA scan and P2P 
         * search (Flush on both full  scan and social scan but not on single
         * channel scan).P2P  search happens on 3 social channels (1, 6, 11) 
         */

        /* Supplicant does single channel scan after 8-way handshake
         * and in that case driver shoudnt flush scan results. If 
         * driver flushes the scan results here and unfortunately if 
         * the AP doesnt respond to our probe req then association 
         * fails which is not desired
         */

        if( request->n_channels != WLAN_HDD_P2P_SINGLE_CHANNEL_SCAN )
        {
            sme_ScanFlushP2PResult( WLAN_HDD_GET_HAL_CTX(pAdapter),
                                                pAdapter->sessionId );
        }

        if( request->ie_len )
        {
            /* save this for future association (join requires this) */
            memset( &pScanInfo->scanAddIE, 0, sizeof(pScanInfo->scanAddIE) );
            memcpy( pScanInfo->scanAddIE.addIEdata, request->ie, request->ie_len);
            pScanInfo->scanAddIE.length = request->ie_len;

            if((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) ||
                (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) ||
                (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode)
              )
            {
               pwextBuf->roamProfile.pAddIEScan = pScanInfo->scanAddIE.addIEdata;
               pwextBuf->roamProfile.nAddIEScanLength = pScanInfo->scanAddIE.length;
            }

            scanRequest.uIEFieldLen = pScanInfo->scanAddIE.length;
            scanRequest.pIEField = pScanInfo->scanAddIE.addIEdata;

#ifdef WLAN_FEATURE_P2P
            pP2pIe = wlan_hdd_get_p2p_ie_ptr((v_U8_t*)request->ie,
                                                       request->ie_len);
            if (pP2pIe != NULL)
            {
#ifdef WLAN_FEATURE_P2P_DEBUG
                if (((globalP2PConnectionStatus == P2P_GO_NEG_COMPLETED) ||
                    (globalP2PConnectionStatus == P2P_GO_NEG_PROCESS)) &&
                    (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode))
                {
                    globalP2PConnectionStatus = P2P_CLIENT_CONNECTING_STATE_1;
                    hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P State] Changing state from "
                                    "Go nego completed to Connection is started");
                    hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P]P2P Scanning is started "
                                   "for 8way Handshake");
                }
                else if((globalP2PConnectionStatus == P2P_CLIENT_DISCONNECTED_STATE) &&
                        (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode))
                {
                    globalP2PConnectionStatus = P2P_CLIENT_CONNECTING_STATE_2;
                    hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P State] Changing state from "
                                    "Disconnected state to Connection is started");
                    hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P]P2P Scanning is started "
                                                        "for 4way Handshake");
                }
#endif

                /* no_cck will be set during p2p find to disable 11b rates */
                if(TRUE == request->no_cck)
                {
                    hddLog(VOS_TRACE_LEVEL_INFO,
                           "%s: This is a P2P Search", __func__);
                    scanRequest.p2pSearch = 1;

                    if( request->n_channels == WLAN_HDD_P2P_SOCIAL_CHANNELS )
                    {
                         /* set requestType to P2P Discovery */
                         scanRequest.requestType = eCSR_SCAN_P2P_DISCOVERY;
                    }

                    /*
                       Skip Dfs Channel in case of P2P Search
                       if it is set in ini file
                    */
                    if(cfg_param->skipDfsChnlInP2pSearch)
                    {
                       scanRequest.skipDfsChnlInP2pSearch = 1;
                    }
                    else
                    {
                       scanRequest.skipDfsChnlInP2pSearch = 0;
                    }

                }
            }
#endif
        }
    }

    INIT_COMPLETION(pScanInfo->scan_req_completion_event);

    /* acquire the wakelock to avoid the apps suspend during the scan. To
     * address the following issues.
     * 1) Disconnected scenario: we are not allowing the suspend as WLAN is not in
     * BMPS/IMPS this result in android trying to suspend aggressively and backing off
     * for long time, this result in apps running at full power for long time.
     * 2) Connected scenario: If we allow the suspend during the scan, RIVA will
     * be stuck in full power because of resume BMPS
     */
    hdd_prevent_suspend();

    status = sme_ScanRequest( WLAN_HDD_GET_HAL_CTX(pAdapter),
                              pAdapter->sessionId, &scanRequest, &scanId,
                              &hdd_cfg80211_scan_done_callback, dev );

    if (eHAL_STATUS_SUCCESS != status)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR,
                "%s: sme_ScanRequest returned error %d", __func__, status);
        complete(&pScanInfo->scan_req_completion_event);
        if(eHAL_STATUS_RESOURCES == status)
        {
                hddLog(VOS_TRACE_LEVEL_INFO, "%s: HO is in progress.So defer the scan by informing busy",__func__);
                status = -EBUSY;
        } else {
                status = -EIO;
        }
        hdd_allow_suspend();
        goto free_mem;
    }

    pScanInfo->mScanPending = TRUE;
    pAdapter->request = request;
    pScanInfo->scanId = scanId;

    complete(&pScanInfo->scan_req_completion_event);

free_mem:
    if( scanRequest.SSIDs.SSIDList )
    {
        vos_mem_free(scanRequest.SSIDs.SSIDList);
    }

    if( channelList )
      vos_mem_free( channelList );

    EXIT();

    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_connect_start
 * This function is used to start the association process 
 */
int wlan_hdd_cfg80211_connect_start( hdd_adapter_t  *pAdapter, 
        const u8 *ssid, size_t ssid_len, const u8 *bssid, u8 operatingChannel)
{
    int status = 0;
    hdd_wext_state_t *pWextState;
    v_U32_t roamId;
    tCsrRoamProfile *pRoamProfile;
    eMib_dot11DesiredBssType connectedBssType;
    eCsrAuthType RSNAuthType;

    ENTER();

    pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    
    if (SIR_MAC_MAX_SSID_LENGTH < ssid_len)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: wrong SSID len", __func__);
        return -EINVAL;
    }

    pRoamProfile = &pWextState->roamProfile;

    if (pRoamProfile) 
    {
        int ret = 0;
        hdd_station_ctx_t *pHddStaCtx;
        pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
        hdd_connGetConnectedBssType(pHddStaCtx,&connectedBssType );

        if((eMib_dot11DesiredBssType_independent == connectedBssType) ||
           (eConnectionState_Associated == pHddStaCtx->conn_info.connState) ||
           (eConnectionState_IbssConnected == pHddStaCtx->conn_info.connState))
        {
            /* Issue disconnect to CSR */
            INIT_COMPLETION(pAdapter->disconnect_comp_var);
            if( eHAL_STATUS_SUCCESS == 
                  sme_RoamDisconnect( WLAN_HDD_GET_HAL_CTX(pAdapter),
                            pAdapter->sessionId,
                            eCSR_DISCONNECT_REASON_UNSPECIFIED ) )
            {
                ret = wait_for_completion_interruptible_timeout(
                             &pAdapter->disconnect_comp_var,
                             msecs_to_jiffies(WLAN_WAIT_TIME_DISCONNECT));
                if (0 == ret)
                {
                    VOS_ASSERT(0);
                }
            }
        }
        else if(eConnectionState_Disconnecting == pHddStaCtx->conn_info.connState)
        {
            ret = wait_for_completion_interruptible_timeout(
                         &pAdapter->disconnect_comp_var,
                         msecs_to_jiffies(WLAN_WAIT_TIME_DISCONNECT));
            if (0 == ret)
            {
                VOS_ASSERT(0);
            }
        }

        if (HDD_WMM_USER_MODE_NO_QOS == 
                        (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->WmmMode)
        {
            /*QoS not enabled in cfg file*/
            pRoamProfile->uapsd_mask = 0;
        }
        else
        {
            /*QoS enabled, update uapsd mask from cfg file*/
            pRoamProfile->uapsd_mask = 
                     (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask;
        }

        pRoamProfile->SSIDs.numOfSSIDs = 1;
        pRoamProfile->SSIDs.SSIDList->SSID.length = ssid_len;
        vos_mem_zero(pRoamProfile->SSIDs.SSIDList->SSID.ssId,
                sizeof(pRoamProfile->SSIDs.SSIDList->SSID.ssId)); 
        vos_mem_copy((void *)(pRoamProfile->SSIDs.SSIDList->SSID.ssId),
                ssid, ssid_len);

        if (bssid)
        {
            pRoamProfile->BSSIDs.numOfBSSIDs = 1;
            vos_mem_copy((void *)(pRoamProfile->BSSIDs.bssid), bssid,
                    WNI_CFG_BSSID_LEN);
            /* Save BSSID in seperate variable as well, as RoamProfile 
               BSSID is getting zeroed out in the association process. And in 
               case of join failure we should send valid BSSID to supplicant
             */
            vos_mem_copy((void *)(pWextState->req_bssId), bssid,
                    WNI_CFG_BSSID_LEN);
        }

        if ((IW_AUTH_WPA_VERSION_WPA == pWextState->wpaVersion) ||
                (IW_AUTH_WPA_VERSION_WPA2 == pWextState->wpaVersion))
        { 
            /*set gen ie*/
            hdd_SetGENIEToCsr(pAdapter, &RSNAuthType);
            /*set auth*/
            hdd_set_csr_auth_type(pAdapter, RSNAuthType);
        }
        else if ( (pWextState->roamProfile.AuthType.authType[0] == 
                    eCSR_AUTH_TYPE_OPEN_SYSTEM)
                && ((pWextState->roamProfile.EncryptionType.encryptionType[0] == 
                        eCSR_ENCRYPT_TYPE_WEP40_STATICKEY) 
                    || (pWextState->roamProfile.EncryptionType.encryptionType[0] == 
                        eCSR_ENCRYPT_TYPE_WEP104_STATICKEY))
                )
        {
            /*Android UI not having any option to configure the Authentication type to OPEN/SHARED;
             * The authentication type will be always eCSR_AUTH_TYPE_OPEN_SYSTEM when WEP is used
             * Use eCSR_AUTH_TYPE_AUTOSWITCH when WEP encryption used*/
            (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.authType = 
                                                     eCSR_AUTH_TYPE_AUTOSWITCH;
            pWextState->roamProfile.AuthType.authType[0] = 
                  (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.authType;
        }
#ifdef FEATURE_WLAN_WAPI
        if (pAdapter->wapi_info.nWapiMode)
        {
            hddLog(LOG1, "%s: Setting WAPI AUTH Type and Encryption Mode values", __func__);
            switch (pAdapter->wapi_info.wapiAuthMode)
            {
                case WAPI_AUTH_MODE_PSK:
                {
                    hddLog(LOG1, "%s: WAPI AUTH TYPE: PSK: %d", __func__,
                                                   pAdapter->wapi_info.wapiAuthMode);
                    pRoamProfile->AuthType.authType[0] = eCSR_AUTH_TYPE_WAPI_WAI_PSK;
                    break;
                }
                case WAPI_AUTH_MODE_CERT:
                {
                    hddLog(LOG1, "%s: WAPI AUTH TYPE: CERT: %d", __func__,
                                                    pAdapter->wapi_info.wapiAuthMode);
                    pRoamProfile->AuthType.authType[0] = eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE;
                    break;
                }
            } // End of switch
            if ( pAdapter->wapi_info.wapiAuthMode == WAPI_AUTH_MODE_PSK ||
                pAdapter->wapi_info.wapiAuthMode == WAPI_AUTH_MODE_CERT)
            {
                hddLog(LOG1, "%s: WAPI PAIRWISE/GROUP ENCRYPTION: WPI", __func__);
                pRoamProfile->AuthType.numEntries = 1;
                pRoamProfile->EncryptionType.numEntries = 1;
                pRoamProfile->EncryptionType.encryptionType[0] = eCSR_ENCRYPT_TYPE_WPI;
                pRoamProfile->mcEncryptionType.numEntries = 1;
                pRoamProfile->mcEncryptionType.encryptionType[0] = eCSR_ENCRYPT_TYPE_WPI;
            }
        }
#endif /* FEATURE_WLAN_WAPI */
        pRoamProfile->csrPersona = pAdapter->device_mode;

        if( operatingChannel )
        {
           pRoamProfile->ChannelInfo.ChannelList = &operatingChannel;
           pRoamProfile->ChannelInfo.numOfChannels = 1;
        }

        /* change conn_state to connecting before sme_RoamConnect(), because sme_RoamConnect()
         * has a direct path to call hdd_smeRoamCallback(), which will change the conn_state
         * If direct path, conn_state will be accordingly changed to NotConnected or Associated 
         * by either hdd_AssociationCompletionHandler() or hdd_DisConnectHandler() in sme_RoamCallback()
           */
        hdd_connSetConnectionState(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter),
                                             eConnectionState_Connecting);
        
        status = sme_RoamConnect( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                            pAdapter->sessionId, pRoamProfile, &roamId);

        pRoamProfile->ChannelInfo.ChannelList = NULL;
        pRoamProfile->ChannelInfo.numOfChannels = 0;

        if( (eHAL_STATUS_SUCCESS != status) &&
            (WLAN_HDD_INFRA_STATION == pAdapter->device_mode) )

        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: sme_RoamConnect (session %d) failed with "
                                      "status %d. -> NotConnected", __func__, pAdapter->sessionId, status);
            /* change back to NotAssociated */
            hdd_connSetConnectionState(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter),
                                             eConnectionState_NotConnected);
        }
    }
    else
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: No valid Roam profile", __func__);
        return -EINVAL;
    }
    EXIT();
    return status;
}

/*
 * FUNCTION: wlan_hdd_set_cfg80211_auth_type
 * This function is used to set the authentication type (OPEN/SHARED).
 *
 */
static int wlan_hdd_cfg80211_set_auth_type(hdd_adapter_t *pAdapter,
        enum nl80211_auth_type auth_type)
{
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);   
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

    ENTER();

    /*set authentication type*/
    switch (auth_type) 
    {
        case NL80211_AUTHTYPE_OPEN_SYSTEM:
        case NL80211_AUTHTYPE_AUTOMATIC:
#ifdef WLAN_FEATURE_VOWIFI_11R
        case NL80211_AUTHTYPE_FT:
#endif /* WLAN_FEATURE_VOWIFI_11R */
            hddLog(VOS_TRACE_LEVEL_INFO, 
                    "%s: set authentication type to OPEN", __func__);
            pHddStaCtx->conn_info.authType = eCSR_AUTH_TYPE_OPEN_SYSTEM;
            break;

        case NL80211_AUTHTYPE_SHARED_KEY:
            hddLog(VOS_TRACE_LEVEL_INFO, 
                    "%s: set authentication type to SHARED", __func__);
            pHddStaCtx->conn_info.authType = eCSR_AUTH_TYPE_SHARED_KEY;
            break;
#ifdef FEATURE_WLAN_CCX
        case NL80211_AUTHTYPE_NETWORK_EAP:
            hddLog(VOS_TRACE_LEVEL_INFO, 
                            "%s: set authentication type to CCKM WPA", __func__);
            pHddStaCtx->conn_info.authType = eCSR_AUTH_TYPE_CCKM_WPA;//eCSR_AUTH_TYPE_CCKM_RSN needs to be handled as well if required.
            break;
#endif


        default:
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: Unsupported authentication type %d", __func__, 
                    auth_type);
            pHddStaCtx->conn_info.authType = eCSR_AUTH_TYPE_UNKNOWN;
            return -EINVAL;
    }

    pWextState->roamProfile.AuthType.authType[0] = 
                                        pHddStaCtx->conn_info.authType;
    return 0;
}

/*
 * FUNCTION: wlan_hdd_set_akm_suite
 * This function is used to set the key mgmt type(PSK/8021x).
 *
 */
static int wlan_hdd_set_akm_suite( hdd_adapter_t *pAdapter, 
                                   u32 key_mgmt
                                   )
{
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    ENTER();
    
    /*set key mgmt type*/
    switch(key_mgmt)
    {
        case WLAN_AKM_SUITE_PSK:
            hddLog(VOS_TRACE_LEVEL_INFO, "%s: setting key mgmt type to PSK", 
                    __func__);
            pWextState->authKeyMgmt |= IW_AUTH_KEY_MGMT_PSK;
            break;

        case WLAN_AKM_SUITE_8021X:
            hddLog(VOS_TRACE_LEVEL_INFO, "%s: setting key mgmt type to 8021x", 
                    __func__);
            pWextState->authKeyMgmt |= IW_AUTH_KEY_MGMT_802_1X;
            break;
#ifdef FEATURE_WLAN_CCX
#define WLAN_AKM_SUITE_CCKM         0x00409600 /* Should be in ieee802_11_defs.h */
#define IW_AUTH_KEY_MGMT_CCKM       8  /* Should be in linux/wireless.h */
        case WLAN_AKM_SUITE_CCKM:
            hddLog(VOS_TRACE_LEVEL_INFO, "%s: setting key mgmt type to CCKM",
                            __func__);
            pWextState->authKeyMgmt |= IW_AUTH_KEY_MGMT_CCKM;
            break;
#endif

        default:
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Unsupported key mgmt type %d", 
                    __func__, key_mgmt);
            return -EINVAL;

    }
    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_cipher
 * This function is used to set the encryption type 
 * (NONE/WEP40/WEP104/TKIP/CCMP).
 */
static int wlan_hdd_cfg80211_set_cipher( hdd_adapter_t *pAdapter, 
                                u32 cipher, 
                                bool ucast
                                )
{
    eCsrEncryptionType encryptionType = eCSR_ENCRYPT_TYPE_NONE;
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);   
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

    ENTER();

    if (!cipher) 
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: received cipher %d - considering none", 
                __func__, cipher);
        encryptionType = eCSR_ENCRYPT_TYPE_NONE;
    }
    else
    {
    
        /*set encryption method*/
        switch (cipher) 
        {
            case IW_AUTH_CIPHER_NONE:
                encryptionType = eCSR_ENCRYPT_TYPE_NONE;
                break;
    
            case WLAN_CIPHER_SUITE_WEP40:
                if ((IW_AUTH_KEY_MGMT_802_1X == pWextState->authKeyMgmt) && 
                    (eCSR_AUTH_TYPE_OPEN_SYSTEM == pHddStaCtx->conn_info.authType))
                    encryptionType = eCSR_ENCRYPT_TYPE_WEP40;
                else
                    encryptionType = eCSR_ENCRYPT_TYPE_WEP40_STATICKEY;
                break;
    
            case WLAN_CIPHER_SUITE_WEP104:
                if ((IW_AUTH_KEY_MGMT_802_1X == pWextState->authKeyMgmt) && 
                    (eCSR_AUTH_TYPE_OPEN_SYSTEM == pHddStaCtx->conn_info.authType))
                    encryptionType = eCSR_ENCRYPT_TYPE_WEP104;
                else
                    encryptionType = eCSR_ENCRYPT_TYPE_WEP104_STATICKEY;
                break;
    
            case WLAN_CIPHER_SUITE_TKIP:
                encryptionType = eCSR_ENCRYPT_TYPE_TKIP;
                break;
    
            case WLAN_CIPHER_SUITE_CCMP:
                encryptionType = eCSR_ENCRYPT_TYPE_AES;
                break;
#ifdef FEATURE_WLAN_WAPI
        case WLAN_CIPHER_SUITE_SMS4:
            encryptionType = eCSR_ENCRYPT_TYPE_WPI;
            break;
#endif

#ifdef FEATURE_WLAN_CCX
        case WLAN_CIPHER_SUITE_KRK:
            encryptionType = eCSR_ENCRYPT_TYPE_KRK;
            break;
#endif
            default:
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Unsupported cipher type %d", 
                        __func__, cipher);
                return -EOPNOTSUPP;
        }
    }

    if (ucast)
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: setting unicast cipher type to %d", 
                __func__, encryptionType);
        pHddStaCtx->conn_info.ucEncryptionType            = encryptionType;
        pWextState->roamProfile.EncryptionType.numEntries = 1;
        pWextState->roamProfile.EncryptionType.encryptionType[0] = 
                                          encryptionType;
    }
    else
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: setting mcast cipher type to %d", 
                __func__, encryptionType);
        pHddStaCtx->conn_info.mcEncryptionType                       = encryptionType;
        pWextState->roamProfile.mcEncryptionType.numEntries        = 1;
        pWextState->roamProfile.mcEncryptionType.encryptionType[0] = encryptionType;
    }

    return 0;
}


/*
 * FUNCTION: wlan_hdd_cfg80211_set_ie
 * This function is used to parse WPA/RSN IE's.
 */
int wlan_hdd_cfg80211_set_ie( hdd_adapter_t *pAdapter, 
                              u8 *ie, 
                              size_t ie_len
                              )
{
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    u8 *genie = ie;
    v_U16_t remLen = ie_len;
#ifdef FEATURE_WLAN_WAPI
    v_U32_t akmsuite[MAX_NUM_AKM_SUITES];
    u16 *tmp;
    v_U16_t akmsuiteCount;
    int *akmlist;
#endif
    ENTER();

    /* clear previous assocAddIE */
    pWextState->assocAddIE.length = 0;
    pWextState->roamProfile.bWPSAssociation = VOS_FALSE;

    while (remLen >= 2)
    {
        v_U16_t eLen = 0;
        v_U8_t elementId;
        elementId = *genie++;
        eLen  = *genie++;
        remLen -= 2;
    
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: IE[0x%X], LEN[%d]\n", 
            __func__, elementId, eLen);
         
        switch ( elementId ) 
        {
            case DOT11F_EID_WPA: 
                if (4 > eLen) /* should have at least OUI which is 4 bytes so extra 2 bytes not needed */
                {
                    hddLog(VOS_TRACE_LEVEL_ERROR, 
                              "%s: Invalid WPA IE", __func__);
                    return -EINVAL;
                }
                else if (0 == memcmp(&genie[0], "\x00\x50\xf2\x04", 4)) 
                {
                    v_U16_t curAddIELen = pWextState->assocAddIE.length;
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set WPS IE(len %d)", 
                            __func__, eLen + 2);
                    
                    if( SIR_MAC_MAX_IE_LENGTH < (pWextState->assocAddIE.length + eLen) )
                    {
                       hddLog(VOS_TRACE_LEVEL_FATAL, "Cannot accomadate assocAddIE. "
                                                      "Need bigger buffer space\n");
                       VOS_ASSERT(0);
                       return -ENOMEM;
                    }
                    // WSC IE is saved to Additional IE ; it should be accumulated to handle WPS IE + P2P IE
                    memcpy( pWextState->assocAddIE.addIEdata + curAddIELen, genie - 2, eLen + 2);
                    pWextState->assocAddIE.length += eLen + 2;
                    
                    pWextState->roamProfile.bWPSAssociation = VOS_TRUE;
                    pWextState->roamProfile.pAddIEAssoc = pWextState->assocAddIE.addIEdata;
                    pWextState->roamProfile.nAddIEAssocLength = pWextState->assocAddIE.length;
                }
                else if (0 == memcmp(&genie[0], "\x00\x50\xf2", 3)) 
                {  
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set WPA IE (len %d)",__func__, eLen + 2);
                    memset( pWextState->WPARSNIE, 0, MAX_WPA_RSN_IE_LEN );
                    memcpy( pWextState->WPARSNIE, genie - 2, (eLen + 2) /*ie_len*/);
                    pWextState->roamProfile.pWPAReqIE = pWextState->WPARSNIE;
                    pWextState->roamProfile.nWPAReqIELength = eLen + 2;//ie_len;
                }
#ifdef WLAN_FEATURE_P2P
                else if ( (0 == memcmp(&genie[0], P2P_OUI_TYPE, 
                                                         P2P_OUI_TYPE_SIZE)) 
                        /*Consider P2P IE, only for P2P Client */
                         && (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) )
                {
                    v_U16_t curAddIELen = pWextState->assocAddIE.length;
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set P2P IE(len %d)", 
                            __func__, eLen + 2);
                    
                    if( SIR_MAC_MAX_IE_LENGTH < (pWextState->assocAddIE.length + eLen) )
                    {
                       hddLog(VOS_TRACE_LEVEL_FATAL, "Cannot accomadate assocAddIE "
                                                      "Need bigger buffer space\n");
                       VOS_ASSERT(0);
                       return -ENOMEM;
                    }
                    // P2P IE is saved to Additional IE ; it should be accumulated to handle WPS IE + P2P IE
                    memcpy( pWextState->assocAddIE.addIEdata + curAddIELen, genie - 2, eLen + 2);
                    pWextState->assocAddIE.length += eLen + 2;
                    
                    pWextState->roamProfile.pAddIEAssoc = pWextState->assocAddIE.addIEdata;
                    pWextState->roamProfile.nAddIEAssocLength = pWextState->assocAddIE.length;
                }
#endif
#ifdef WLAN_FEATURE_WFD
                else if ( (0 == memcmp(&genie[0], WFD_OUI_TYPE, 
                                                         WFD_OUI_TYPE_SIZE)) 
                        /*Consider WFD IE, only for P2P Client */
                         && (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) )
                {
                    v_U16_t curAddIELen = pWextState->assocAddIE.length;
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set WFD IE(len %d)", 
                            __func__, eLen + 2);
                    
                    if( SIR_MAC_MAX_IE_LENGTH < (pWextState->assocAddIE.length + eLen) )
                    {
                       hddLog(VOS_TRACE_LEVEL_FATAL, "Cannot accomadate assocAddIE "
                                                      "Need bigger buffer space\n");
                       VOS_ASSERT(0);
                       return -ENOMEM;
                    }
                    // WFD IE is saved to Additional IE ; it should be accumulated to handle
                    // WPS IE + P2P IE + WFD IE
                    memcpy( pWextState->assocAddIE.addIEdata + curAddIELen, genie - 2, eLen + 2);
                    pWextState->assocAddIE.length += eLen + 2;
                    
                    pWextState->roamProfile.pAddIEAssoc = pWextState->assocAddIE.addIEdata;
                    pWextState->roamProfile.nAddIEAssocLength = pWextState->assocAddIE.length;
                }
#endif
                /* Appending HS 2.0 Indication Element in Assiciation Request */
                else if ( (0 == memcmp(&genie[0], HS20_OUI_TYPE, 
                                       HS20_OUI_TYPE_SIZE)) )
                {
                    v_U16_t curAddIELen = pWextState->assocAddIE.length;
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set HS20 IE(len %d)", 
                            __func__, eLen + 2);

                    if( SIR_MAC_MAX_IE_LENGTH < (pWextState->assocAddIE.length + eLen) )
                    {
                        hddLog(VOS_TRACE_LEVEL_FATAL, "Cannot accomadate assocAddIE "
                               "Need bigger buffer space\n");
                        VOS_ASSERT(0);
                        return -ENOMEM;
                    }
                    memcpy( pWextState->assocAddIE.addIEdata + curAddIELen, genie - 2, eLen + 2);
                    pWextState->assocAddIE.length += eLen + 2;

                    pWextState->roamProfile.pAddIEAssoc = pWextState->assocAddIE.addIEdata;
                    pWextState->roamProfile.nAddIEAssocLength = pWextState->assocAddIE.length;
                }

                break;
            case DOT11F_EID_RSN:
                hddLog (VOS_TRACE_LEVEL_INFO, "%s Set RSN IE(len %d)",__func__, eLen + 2);
                memset( pWextState->WPARSNIE, 0, MAX_WPA_RSN_IE_LEN );
                memcpy( pWextState->WPARSNIE, genie - 2, (eLen + 2)/*ie_len*/);
                pWextState->roamProfile.pRSNReqIE = pWextState->WPARSNIE;
                pWextState->roamProfile.nRSNReqIELength = eLen + 2; //ie_len;
                break;
                /* Appending Extended Capabilities with Interworking bit set in Assoc Req */
            case DOT11F_EID_EXTCAP:
                {        
                    v_U16_t curAddIELen = pWextState->assocAddIE.length;
                    hddLog (VOS_TRACE_LEVEL_INFO, "%s Set Extended CAPS IE(len %d)", 
                            __func__, eLen + 2);
                    
                    if( SIR_MAC_MAX_IE_LENGTH < (pWextState->assocAddIE.length + eLen) )
                    {
                       hddLog(VOS_TRACE_LEVEL_FATAL, "Cannot accomadate assocAddIE "
                                                      "Need bigger buffer space\n");
                       VOS_ASSERT(0);
                       return -ENOMEM;
                    }
                    memcpy( pWextState->assocAddIE.addIEdata + curAddIELen, genie - 2, eLen + 2);
                    pWextState->assocAddIE.length += eLen + 2;
                    
                    pWextState->roamProfile.pAddIEAssoc = pWextState->assocAddIE.addIEdata;
                    pWextState->roamProfile.nAddIEAssocLength = pWextState->assocAddIE.length;
                    break;
                }
#ifdef FEATURE_WLAN_WAPI
            case WLAN_EID_WAPI:
                pAdapter->wapi_info.nWapiMode = 1;   //Setting WAPI Mode to ON=1
                hddLog(VOS_TRACE_LEVEL_INFO,"WAPI MODE IS  %lu \n",
                                          pAdapter->wapi_info.nWapiMode);
                tmp = (u16 *)ie;
                tmp = tmp + 2; // Skip element Id and Len, Version        
                akmsuiteCount = WPA_GET_LE16(tmp);
                tmp = tmp + 1;
                akmlist = (int *)(tmp);
                if(akmsuiteCount <= MAX_NUM_AKM_SUITES)
                {
                    memcpy(akmsuite, akmlist, (4*akmsuiteCount));
                }
                else
                {
                    hddLog(VOS_TRACE_LEVEL_FATAL, "Invalid akmSuite count\n");
                    VOS_ASSERT(0);
                    return -EINVAL;
                }

                if (WAPI_PSK_AKM_SUITE == akmsuite[0])
                {
                    hddLog(VOS_TRACE_LEVEL_INFO, "%s: WAPI AUTH MODE SET TO PSK",
                                                            __func__);
                    pAdapter->wapi_info.wapiAuthMode = WAPI_AUTH_MODE_PSK;
                }    
                if (WAPI_CERT_AKM_SUITE == akmsuite[0])
                {     
                    hddLog(VOS_TRACE_LEVEL_INFO, "%s: WAPI AUTH MODE SET TO CERTIFICATE",
                                                             __func__);
                    pAdapter->wapi_info.wapiAuthMode = WAPI_AUTH_MODE_CERT;
                }
                break;
#endif
            default:
                hddLog (VOS_TRACE_LEVEL_ERROR, 
                        "%s Set UNKNOWN IE %X", __func__, elementId);
                /* when Unknown IE is received we should break and continue
                 * to the next IE in the buffer instead we were returning
                 * so changing this to break */
                break;
        }
        genie += eLen;
        remLen -= eLen;
    }
    EXIT();
    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_privacy
 * This function is used to initialize the security 
 * parameters during connect operation.
 */
int wlan_hdd_cfg80211_set_privacy( hdd_adapter_t *pAdapter, 
                                   struct cfg80211_connect_params *req
                                   )
{
    int status = 0;
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);   
    ENTER();

    /*set wpa version*/
    pWextState->wpaVersion = IW_AUTH_WPA_VERSION_DISABLED;

    if (req->crypto.wpa_versions) 
    {
        if ( (NL80211_WPA_VERSION_1 == req->crypto.wpa_versions)
            && ( (req->ie_len) 
           && (0 == memcmp( &req->ie[2], "\x00\x50\xf2",3) ) ) ) 
           // Make sure that it is including a WPA IE.
           /* Currently NL is putting WPA version 1 even for open, 
            * since p2p ie is also put in same buffer.
            * */
        {
            pWextState->wpaVersion = IW_AUTH_WPA_VERSION_WPA;
        }
        else if (NL80211_WPA_VERSION_2 == req->crypto.wpa_versions)
        {
            pWextState->wpaVersion = IW_AUTH_WPA_VERSION_WPA2;
        }
    }
    
    hddLog(VOS_TRACE_LEVEL_INFO, "%s: set wpa version to %d", __func__, 
            pWextState->wpaVersion);

    /*set authentication type*/
    status = wlan_hdd_cfg80211_set_auth_type(pAdapter, req->auth_type);

    if (0 > status)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: failed to set authentication type ", __func__);
        return status;
    }

    /*set key mgmt type*/
    if (req->crypto.n_akm_suites)
    {
        status = wlan_hdd_set_akm_suite(pAdapter, req->crypto.akm_suites[0]);
        if (0 > status)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to set akm suite", 
                    __func__);
            return status;
        }
    }

    /*set pairwise cipher type*/
    if (req->crypto.n_ciphers_pairwise)
    {
        status = wlan_hdd_cfg80211_set_cipher(pAdapter,
                                      req->crypto.ciphers_pairwise[0], true);
        if (0 > status)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: failed to set unicast cipher type", __func__);
            return status;
        }
    }
    else
    {
        /*Reset previous cipher suite to none*/
        status = wlan_hdd_cfg80211_set_cipher(pAdapter, 0, true);
        if (0 > status)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: failed to set unicast cipher type", __func__);
            return status;
        }
    }

    /*set group cipher type*/
    status = wlan_hdd_cfg80211_set_cipher(pAdapter, req->crypto.cipher_group,
                                                                       false);

    if (0 > status)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to set mcast cipher type", 
                __func__);
        return status;
    }

    /*parse WPA/RSN IE, and set the correspoing fileds in Roam profile*/
    if (req->ie_len)
    {
        status = wlan_hdd_cfg80211_set_ie(pAdapter, req->ie, req->ie_len);
        if ( 0 > status)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to parse the WPA/RSN IE", 
                    __func__);
            return status;
        }
    }

    /*incase of WEP set default key information*/
    if (req->key && req->key_len) 
    {
        if ( (WLAN_CIPHER_SUITE_WEP40 == req->crypto.ciphers_pairwise[0])
                || (WLAN_CIPHER_SUITE_WEP104 == req->crypto.ciphers_pairwise[0])
          )
        {
            if ( IW_AUTH_KEY_MGMT_802_1X 
                    == (pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X  ))
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Dynamic WEP not supported", 
                        __func__);
                return -EOPNOTSUPP;
            }
            else
            {
                u8 key_len = req->key_len;
                u8 key_idx = req->key_idx;

                if ((eCSR_SECURITY_WEP_KEYSIZE_MAX_BYTES >= key_len) 
                        && (CSR_MAX_NUM_KEY > key_idx)
                  )
                {
                    hddLog(VOS_TRACE_LEVEL_INFO, 
                     "%s: setting default wep key, key_idx = %hu key_len %hu", 
                            __func__, key_idx, key_len);
                    vos_mem_copy(
                       &pWextState->roamProfile.Keys.KeyMaterial[key_idx][0], 
                                  req->key, key_len);
                    pWextState->roamProfile.Keys.KeyLength[key_idx] = 
                                                               (u8)key_len;
                    pWextState->roamProfile.Keys.defaultIndex = (u8)key_idx;
                }
            }
        }
    }

    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_privacy
 * This function is used to initialize the security 
 * parameters during connect operation.
 */
static int wlan_hdd_cfg80211_connect( struct wiphy *wiphy, 
                                      struct net_device *ndev,
                                      struct cfg80211_connect_params *req
                                      )
{
    int status = 0;
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( ndev ); 
    VOS_STATUS exitbmpsStatus = VOS_STATUS_E_INVAL;
    hdd_context_t *pHddCtx = NULL;

    ENTER();

    hddLog(VOS_TRACE_LEVEL_INFO, 
             "%s: device_mode = %d\n",__func__,pAdapter->device_mode);

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

#ifdef WLAN_BTAMP_FEATURE
    //Infra connect not supported when AMP traffic is on.
    if( VOS_TRUE == WLANBAP_AmpSessionOn() ) 
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: No connection when AMP is on", __func__);
        return -ECONNREFUSED;
    }
#endif
    /*initialise security parameters*/
    status = wlan_hdd_cfg80211_set_privacy(pAdapter, req); 

    if ( 0 > status)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to set security params", 
                __func__);
        return status;
    }

    //If Device Mode is Station Concurrent Sessions Exit BMps
    //P2P Mode will be taken care in Open/close adaptor
    if((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) &&
        (vos_concurrent_sessions_running()))
    {
        v_CONTEXT_t pVosContext = vos_get_global_context( VOS_MODULE_ID_HDD, NULL );

        if (NULL != pVosContext)
        {
            pHddCtx = vos_get_context( VOS_MODULE_ID_HDD, pVosContext);
            if(NULL != pHddCtx)
            {
               exitbmpsStatus = hdd_disable_bmps_imps(pHddCtx, WLAN_HDD_INFRA_STATION);
            }
        }
    }

    if ( req->channel )
    {
        status = wlan_hdd_cfg80211_connect_start(pAdapter, req->ssid,
                                                  req->ssid_len, req->bssid,
                                                  req->channel->hw_value);
    }
    else
    {
        status = wlan_hdd_cfg80211_connect_start(pAdapter, req->ssid,
                                                  req->ssid_len, req->bssid,
                                                  0);
    }

    if (0 > status)
    {
        //ReEnable BMPS if disabled
        if((VOS_STATUS_SUCCESS == exitbmpsStatus) &&
            (NULL != pHddCtx))
        {
           //ReEnable Bmps and Imps back
           hdd_enable_bmps_imps(pHddCtx);
        }

        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: connect failed", __func__);
        return status;
    }
    (WLAN_HDD_GET_CTX(pAdapter))->isAmpAllowed = VOS_FALSE;
    EXIT();
    return status;
}


/*
 * FUNCTION: wlan_hdd_cfg80211_disconnect
 * This function is used to issue a disconnect request to SME
 */
static int wlan_hdd_cfg80211_disconnect( struct wiphy *wiphy, 
                                         struct net_device *dev,
                                         u16 reason
                                         )
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); 
    tCsrRoamProfile  *pRoamProfile = 
                    &(WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter))->roamProfile;
    int status = 0;
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
    
    ENTER();
    
    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n", 
                                    __func__,pAdapter->device_mode);

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: Disconnect called with reason code %d", 
            __func__, reason);    

    if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!",__func__);
        return -EAGAIN;
    }
    if (NULL != pRoamProfile)
    {
        /*issue disconnect request to SME, if station is in connected state*/
        if (pHddStaCtx->conn_info.connState == eConnectionState_Associated)
        {
            eCsrRoamDisconnectReason reasonCode = 
                                       eCSR_DISCONNECT_REASON_UNSPECIFIED;
            switch(reason)
            {
                case WLAN_REASON_MIC_FAILURE:
                    reasonCode = eCSR_DISCONNECT_REASON_MIC_ERROR;
                    break;

                case WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY:
                case WLAN_REASON_DISASSOC_AP_BUSY:
                case WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA:
                    reasonCode = eCSR_DISCONNECT_REASON_DISASSOC;
                    break;

                case WLAN_REASON_PREV_AUTH_NOT_VALID:
                case WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA:
                    reasonCode = eCSR_DISCONNECT_REASON_DEAUTH;
                    break;

                case WLAN_REASON_DEAUTH_LEAVING:
                default:
                    reasonCode = eCSR_DISCONNECT_REASON_UNSPECIFIED;
                    break;
            }
            pHddStaCtx->conn_info.connState = eConnectionState_NotConnected;
            (WLAN_HDD_GET_CTX(pAdapter))->isAmpAllowed = VOS_TRUE;
            INIT_COMPLETION(pAdapter->disconnect_comp_var);

            /*issue disconnect*/
            status = sme_RoamDisconnect( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                                         pAdapter->sessionId, reasonCode);

            if ( 0 != status)
            {
                hddLog(VOS_TRACE_LEVEL_ERROR,
                        "%s csrRoamDisconnect failure, returned %d \n", 
                        __func__, (int)status );
                return -EINVAL;
            }

            wait_for_completion_interruptible_timeout(
                   &pAdapter->disconnect_comp_var,
                   msecs_to_jiffies(WLAN_WAIT_TIME_DISCONNECT));


            /*stop tx queues*/
            netif_tx_disable(dev);
            netif_carrier_off(dev);
        }
    }
    else
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: No valid roam profile", __func__);
    }

    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_privacy_ibss
 * This function is used to initialize the security 
 * settings in IBSS mode.
 */
static int wlan_hdd_cfg80211_set_privacy_ibss(
                                         hdd_adapter_t *pAdapter, 
                                         struct cfg80211_ibss_params *params
                                         )
{
    int status = 0;
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);   
    eCsrEncryptionType encryptionType = eCSR_ENCRYPT_TYPE_NONE;
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
    
    ENTER();

    pWextState->wpaVersion = IW_AUTH_WPA_VERSION_DISABLED;

    if (params->ie_len && ( NULL != params->ie) )
    {
        if (WLAN_EID_RSN == params->ie[0]) 
        {
            pWextState->wpaVersion = IW_AUTH_WPA_VERSION_WPA2;
            encryptionType = eCSR_ENCRYPT_TYPE_AES;
        }
        else
        {
            pWextState->wpaVersion = IW_AUTH_WPA_VERSION_WPA;
            encryptionType = eCSR_ENCRYPT_TYPE_TKIP;
        }
        status = wlan_hdd_cfg80211_set_ie(pAdapter, params->ie, params->ie_len);

        if (0 > status)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to parse WPA/RSN IE", 
                    __func__);
            return status;
        }
    }

    pWextState->roamProfile.AuthType.authType[0] = 
                                pHddStaCtx->conn_info.authType = 
                                eCSR_AUTH_TYPE_OPEN_SYSTEM;

    if (params->privacy)
    {
        /* Security enabled IBSS, At this time there is no information available 
         * about the security paramters, so initialise the encryption type to 
         * eCSR_ENCRYPT_TYPE_WEP40_STATICKEY.
         * The correct security parameters will be updated later in 
         * wlan_hdd_cfg80211_add_key */
        /* Hal expects encryption type to be set inorder 
         *enable privacy bit in beacons */

        encryptionType = eCSR_ENCRYPT_TYPE_WEP40_STATICKEY;
    }

    pHddStaCtx->conn_info.ucEncryptionType                   = encryptionType;
    pWextState->roamProfile.EncryptionType.numEntries        = 1;
    pWextState->roamProfile.EncryptionType.encryptionType[0] = encryptionType;

    return status;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_join_ibss
 * This function is used to create/join an IBSS 
 */
static int wlan_hdd_cfg80211_join_ibss( struct wiphy *wiphy, 
                                        struct net_device *dev,
                                        struct cfg80211_ibss_params *params
                                       )
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); 
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    tCsrRoamProfile          *pRoamProfile;
    int status;
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

    ENTER();
    
    hddLog(VOS_TRACE_LEVEL_INFO, 
                  "%s: device_mode = %d\n",__func__,pAdapter->device_mode);

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if (NULL == pWextState)
    {
        hddLog (VOS_TRACE_LEVEL_ERROR, "%s ERROR: Data Storage Corruption\n", 
                __func__);
        return -EIO;
    }

    pRoamProfile = &pWextState->roamProfile;

    if ( eCSR_BSS_TYPE_START_IBSS != pRoamProfile->BSSType )
    {
        hddLog (VOS_TRACE_LEVEL_ERROR, 
                "%s Interface type is not set to IBSS \n", __func__);
        return -EINVAL;
    }

    /* Set Channel */
    if (NULL != params->channel)
    {
        u8 channelNum;
        if (IEEE80211_BAND_5GHZ == params->channel->band)
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: IBSS join is called with unsupported band %d", 
                    __func__, params->channel->band);
            return -EOPNOTSUPP;
        }

        /* Get channel number */
        channelNum = 
               ieee80211_frequency_to_channel(params->channel->center_freq);

        /*TODO: use macro*/
        if (14 >= channelNum)
        {
            v_U32_t numChans = WNI_CFG_VALID_CHANNEL_LIST_LEN;
            v_U8_t validChan[WNI_CFG_VALID_CHANNEL_LIST_LEN];
            tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
            int indx;

            if (0 != ccmCfgGetStr(hHal, WNI_CFG_VALID_CHANNEL_LIST,
                        validChan, &numChans))
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: No valid channel list", 
                        __func__);
                return -EOPNOTSUPP;
            }

            for (indx = 0; indx < numChans; indx++)
            {
                if (channelNum == validChan[indx])
                {
                    break;
                }
            }
            if (indx >= numChans)
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Not valid Channel %d", 
                        __func__, channelNum);
                return -EINVAL;
            }
            /* Set the Operational Channel */
            hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "%s: set channel %d", __func__, 
                    channelNum);
            pRoamProfile->ChannelInfo.numOfChannels = 1;
            pHddStaCtx->conn_info.operationChannel = channelNum;
            pRoamProfile->ChannelInfo.ChannelList = 
                &pHddStaCtx->conn_info.operationChannel;
        }
        else
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Not valid Channel %hu", 
                    __func__, channelNum);
            return -EINVAL;
        }
    }

    /* Initialize security parameters */
    status = wlan_hdd_cfg80211_set_privacy_ibss(pAdapter, params); 
    if (status < 0)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: failed to set security parameters", 
                __func__);
        return status;
    }

    /* Issue connect start */
    status = wlan_hdd_cfg80211_connect_start(pAdapter, params->ssid, 
            params->ssid_len, params->bssid, 0);

    if (0 > status)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: connect failed", __func__);
        return status;
    }

    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_leave_ibss
 * This function is used to leave an IBSS 
 */
static int wlan_hdd_cfg80211_leave_ibss( struct wiphy *wiphy, 
                                         struct net_device *dev
                                         )
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); 
    hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
    tCsrRoamProfile *pRoamProfile;

    ENTER();

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d\n",__func__,pAdapter->device_mode);
    if (NULL == pWextState)
    {
        hddLog (VOS_TRACE_LEVEL_ERROR, "%s ERROR: Data Storage Corruption\n", 
                __func__);
        return -EIO;
    }

    pRoamProfile = &pWextState->roamProfile;

    /* Issue disconnect only if interface type is set to IBSS */
    if (eCSR_BSS_TYPE_START_IBSS != pRoamProfile->BSSType)
    {
        hddLog (VOS_TRACE_LEVEL_ERROR, "%s: BSS Type is not set to IBSS", 
                __func__);
        return -EINVAL;
    }

    /* Issue Disconnect request */
    INIT_COMPLETION(pAdapter->disconnect_comp_var);
    sme_RoamDisconnect( WLAN_HDD_GET_HAL_CTX(pAdapter), pAdapter->sessionId,
                                  eCSR_DISCONNECT_REASON_IBSS_LEAVE);

    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_wiphy_params
 * This function is used to set the phy parameters
 * (RTS Threshold/FRAG Threshold/Retry Count etc ...)
 */
static int wlan_hdd_cfg80211_set_wiphy_params(struct wiphy *wiphy, 
        u32 changed)
{
    hdd_context_t *pHddCtx = wiphy_priv(wiphy);
    tHalHandle hHal = pHddCtx->hHal;

    ENTER();

    if ( pHddCtx->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if (changed & WIPHY_PARAM_RTS_THRESHOLD)
    {
        u16 rts_threshold = (wiphy->rts_threshold == -1) ?
                               WNI_CFG_RTS_THRESHOLD_STAMAX :
                               wiphy->rts_threshold;

        if ((WNI_CFG_RTS_THRESHOLD_STAMIN > rts_threshold) ||
                (WNI_CFG_RTS_THRESHOLD_STAMAX < rts_threshold)) 
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: Invalid RTS Threshold value %hu", 
                    __func__, rts_threshold);
            return -EINVAL;
        }

        if (0 != ccmCfgSetInt(hHal, WNI_CFG_RTS_THRESHOLD,
                    rts_threshold, ccmCfgSetCallback,
                    eANI_BOOLEAN_TRUE)) 
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: ccmCfgSetInt failed for rts_threshold value %hu", 
                    __func__, rts_threshold);
            return -EIO;
        }

        hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: set rts threshold %hu", __func__, 
                rts_threshold);
    }

    if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
    {
        u16 frag_threshold = (wiphy->frag_threshold == -1) ?
                                WNI_CFG_FRAGMENTATION_THRESHOLD_STAMAX :
                                wiphy->frag_threshold;

        if ((WNI_CFG_FRAGMENTATION_THRESHOLD_STAMIN > frag_threshold)||
                (WNI_CFG_FRAGMENTATION_THRESHOLD_STAMAX < frag_threshold) ) 
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: Invalid frag_threshold value %hu", __func__, 
                    frag_threshold);
            return -EINVAL;
        }

        if (0 != ccmCfgSetInt(hHal, WNI_CFG_FRAGMENTATION_THRESHOLD,
                    frag_threshold, ccmCfgSetCallback,
                    eANI_BOOLEAN_TRUE)) 
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, 
                    "%s: ccmCfgSetInt failed for frag_threshold value %hu", 
                    __func__, frag_threshold);
            return -EIO;
        }

        hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: set frag threshold %hu", __func__,
                frag_threshold);
    }

    if ((changed & WIPHY_PARAM_RETRY_SHORT)
            || (changed & WIPHY_PARAM_RETRY_LONG))
    {
        u8 retry_value = (changed & WIPHY_PARAM_RETRY_SHORT) ?
                         wiphy->retry_short :
                         wiphy->retry_long;

        if ((WNI_CFG_LONG_RETRY_LIMIT_STAMIN > retry_value) ||
                (WNI_CFG_LONG_RETRY_LIMIT_STAMAX < retry_value))
        {
            hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid Retry count %hu", 
                    __func__, retry_value);
            return -EINVAL;
        }

        if (changed & WIPHY_PARAM_RETRY_SHORT)
        {
            if (0 != ccmCfgSetInt(hHal, WNI_CFG_LONG_RETRY_LIMIT,
                        retry_value, ccmCfgSetCallback,
                        eANI_BOOLEAN_TRUE)) 
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, 
                        "%s: ccmCfgSetInt failed for long retry count %hu", 
                        __func__, retry_value);
                return -EIO;
            }
            hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: set long retry count %hu", 
                    __func__, retry_value);
        }
        else if (changed & WIPHY_PARAM_RETRY_SHORT)
        {
            if (0 != ccmCfgSetInt(hHal, WNI_CFG_SHORT_RETRY_LIMIT,
                        retry_value, ccmCfgSetCallback,
                        eANI_BOOLEAN_TRUE)) 
            {
                hddLog(VOS_TRACE_LEVEL_ERROR, 
                        "%s: ccmCfgSetInt failed for short retry count %hu", 
                        __func__, retry_value);
                return -EIO;
            }
            hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: set short retry count %hu", 
                    __func__, retry_value);
        }
    }

    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_set_txpower
 * This function is used to set the txpower
 */
static int wlan_hdd_cfg80211_set_txpower(struct wiphy *wiphy,
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,35)
        enum tx_power_setting type, 
#else
        enum nl80211_tx_power_setting type, 
#endif
        int dbm)
{
    hdd_context_t *pHddCtx = (hdd_context_t*) wiphy_priv(wiphy);
    tHalHandle hHal = pHddCtx->hHal;
    tSirMacAddr bssid = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
    tSirMacAddr selfMac = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};

    ENTER();

    if (0 != ccmCfgSetInt(hHal, WNI_CFG_CURRENT_TX_POWER_LEVEL, 
                dbm, ccmCfgSetCallback, 
                eANI_BOOLEAN_TRUE)) 
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, 
                "%s: ccmCfgSetInt failed for tx power %hu", __func__, dbm);
        return -EIO;
    }

    if ( pHddCtx->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    hddLog(VOS_TRACE_LEVEL_INFO_MED, "%s: set tx power level %d dbm", __func__,
            dbm);

    switch(type)
    {
    case NL80211_TX_POWER_AUTOMATIC: /*automatically determine transmit power*/
       /* Fall through */
    case NL80211_TX_POWER_LIMITED: /*limit TX power by the mBm parameter*/
       if( sme_SetMaxTxPower(hHal, bssid, selfMac, dbm) != eHAL_STATUS_SUCCESS )
       {
          hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Setting maximum tx power failed", 
                 __func__); 
          return -EIO;          
       }
       break;
    case NL80211_TX_POWER_FIXED: /*fix TX power to the mBm parameter*/
       hddLog(VOS_TRACE_LEVEL_ERROR, "%s: NL80211_TX_POWER_FIXED not supported", 
              __func__);
       return -EOPNOTSUPP;
       break;
    default:
       hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid power setting type %d", 
              __func__, type); 
       return -EIO;
    }

    return 0;
}

/*
 * FUNCTION: wlan_hdd_cfg80211_get_txpower
 * This function is used to read the txpower
 */
static int wlan_hdd_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
{

    hdd_adapter_t *pAdapter;
    hdd_context_t *pHddCtx = (hdd_context_t*) wiphy_priv(wiphy);

    ENTER();

    if (NULL == pHddCtx)
    {
        hddLog(VOS_TRACE_LEVEL_FATAL,"%s: HDD context is Null",__func__);
        *dbm = 0;
        return -ENOENT;
    }

    if ( pHddCtx->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    pAdapter = hdd_get_adapter(pHddCtx, WLAN_HDD_INFRA_STATION);
    if (NULL == pAdapter)
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Not in station context " ,__func__);
        return -ENOENT;
    }

    wlan_hdd_get_classAstats(pAdapter);
    *dbm = pAdapter->hdd_stats.ClassA_stat.max_pwr;

    EXIT();
    return 0;
}

static int wlan_hdd_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
                                   u8* mac, struct station_info *sinfo)
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev );
    hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
    int ssidlen = pHddStaCtx->conn_info.SSID.SSID.length;
    tANI_U8 rate_flags;

    hdd_context_t *pHddCtx = (hdd_context_t*) wiphy_priv(wiphy);
    hdd_config_t  *pCfg    = pHddCtx->cfg_ini;
    tHalHandle hHal        = WLAN_HDD_GET_HAL_CTX(pAdapter);

    tANI_U8  OperationalRates[CSR_DOT11_SUPPORTED_RATES_MAX];
    tANI_U32 ORLeng = CSR_DOT11_SUPPORTED_RATES_MAX;
    tANI_U8  ExtendedRates[CSR_DOT11_EXTENDED_SUPPORTED_RATES_MAX];
    tANI_U32 ERLeng = CSR_DOT11_EXTENDED_SUPPORTED_RATES_MAX;
    tANI_U8  MCSRates[SIZE_OF_BASIC_MCS_SET];
    tANI_U32 MCSLeng = SIZE_OF_BASIC_MCS_SET;
    tANI_U16 maxRate = 0;
    tANI_U16 myRate;
    tANI_U16 currentRate = 0;
    tANI_U8  maxSpeedMCS = 0;
    tANI_U8  maxMCSIdx = 0;
    tANI_U8  rateFlag = 1;
    tANI_U8  i, j, rssidx;
    tANI_U16 temp;

    ENTER();

    if ((eConnectionState_Associated != pHddStaCtx->conn_info.connState) ||
            (0 == ssidlen))
    {
        hddLog(VOS_TRACE_LEVEL_INFO, "%s: Not associated or"
                    " Invalid ssidlen, %d", __func__, ssidlen);
        /*To keep GUI happy*/
        return 0;
    }

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    wlan_hdd_get_rssi(pAdapter, &sinfo->signal);
    sinfo->filled |= STATION_INFO_SIGNAL;

    wlan_hdd_get_station_stats(pAdapter);
    rate_flags = pAdapter->hdd_stats.ClassA_stat.tx_rate_flags;

    //convert to the UI units of 100kbps
    myRate = pAdapter->hdd_stats.ClassA_stat.tx_rate * 5;

#ifdef LINKSPEED_DEBUG_ENABLED
    pr_info("RSSI %d, RLMS %u, rate %d, rssi high %d, rssi mid %d, rssi low %d, rate_flags 0x%x\n",
            sinfo->signal,
            pCfg->reportMaxLinkSpeed,
            myRate,
            (int) pCfg->linkSpeedRssiHigh,
            (int) pCfg->linkSpeedRssiMid,
            (int) pCfg->linkSpeedRssiLow,
            (int) rate_flags);
#endif //LINKSPEED_DEBUG_ENABLED

    if (eHDD_LINK_SPEED_REPORT_ACTUAL != pCfg->reportMaxLinkSpeed)
    {
        // we do not want to necessarily report the current speed
        if (eHDD_LINK_SPEED_REPORT_MAX == pCfg->reportMaxLinkSpeed)
        {
            // report the max possible speed
            rssidx = 0;
        }
        else if (eHDD_LINK_SPEED_REPORT_MAX_SCALED == pCfg->reportMaxLinkSpeed)
        {
            // report the max possible speed with RSSI scaling
            if (sinfo->signal >= pCfg->linkSpeedRssiHigh)
            {
                // report the max possible speed
                rssidx = 0;
            }
            else if (sinfo->signal >= pCfg->linkSpeedRssiMid)
            {
                // report middle speed
                rssidx = 1;
            }
            else if (sinfo->signal >= pCfg->linkSpeedRssiLow)
            {
                // report middle speed
                rssidx = 2;
            }
            else
            {
                // report actual speed
                rssidx = 3;
            }
        }
        else
        {
            // unknown, treat as eHDD_LINK_SPEED_REPORT_MAX
            hddLog(VOS_TRACE_LEVEL_ERROR,
                   "%s: Invalid value for reportMaxLinkSpeed: %u",
                    __func__, pCfg->reportMaxLinkSpeed);
            rssidx = 0;
        }

        maxRate = 0;

        /* Get Basic Rate Set */
        ccmCfgGetStr(hHal, WNI_CFG_OPERATIONAL_RATE_SET, OperationalRates, &ORLeng);
        for (i = 0; i < ORLeng; i++)
        {
            for (j = 0; j < (sizeof(supported_data_rate) / sizeof(supported_data_rate[0])); j ++)
            {
                /* Validate Rate Set */
                if (supported_data_rate[j].beacon_rate_index == (OperationalRates[i] & 0x7F))
                {
                    currentRate = supported_data_rate[j].supported_rate[rssidx];
                    break;
                }
            }
            /* Update MAX rate */
            maxRate = (currentRate > maxRate)?currentRate:maxRate;
        }

        /* Get Extended Rate Set */
        ccmCfgGetStr(hHal, WNI_CFG_EXTENDED_OPERATIONAL_RATE_SET, ExtendedRates, &ERLeng);
        for (i = 0; i < ERLeng; i++)
        {
            for (j = 0; j < (sizeof(supported_data_rate) / sizeof(supported_data_rate[0])); j ++)
            {
                if (supported_data_rate[j].beacon_rate_index == (ExtendedRates[i] & 0x7F))
                {
                    currentRate = supported_data_rate[j].supported_rate[rssidx];
                    break;
                }
            }
            /* Update MAX rate */
            maxRate = (currentRate > maxRate)?currentRate:maxRate;
        }

        /* Get MCS Rate Set -- but only if we are connected at MCS
           rates or if we are always reporting max speed or if we have
           good rssi */
        if ((0 == rssidx) && !(rate_flags & eHAL_TX_RATE_LEGACY))
        {
            ccmCfgGetStr(hHal, WNI_CFG_CURRENT_MCS_SET, MCSRates, &MCSLeng);
            rateFlag = 0;
            if (rate_flags & eHAL_TX_RATE_HT40)
            {
                rateFlag |= 1;
            }
            if (rate_flags & eHAL_TX_RATE_SGI)
            {
                rateFlag |= 2;
            }

            for (i = 0; i < MCSLeng; i++)
            {
                temp = sizeof(supported_mcs_rate) / sizeof(supported_mcs_rate[0]);
                for (j = 0; j < temp; j++)
                {
                    if (supported_mcs_rate[j].beacon_rate_index == MCSRates[i])
                    {
                        currentRate = supported_mcs_rate[j].supported_rate[rateFlag];
                        break;
                    }
                }
                if ((j < temp) && (currentRate > maxRate))
                {
                    maxRate     = currentRate;
                    maxSpeedMCS = 1;
                    maxMCSIdx   = supported_mcs_rate[j].beacon_rate_index;
                }
            }
        }

        // make sure we report a value at least as big as our current rate
        if (((maxRate < myRate) && (0 == rssidx)) ||
             (0 == maxRate))
        {
           maxRate = myRate;
           if (rate_flags & eHAL_TX_RATE_LEGACY)
           {
              maxSpeedMCS = 0;
           }
           else
           {
              maxSpeedMCS = 1;
              maxMCSIdx = pAdapter->hdd_stats.ClassA_stat.mcs_index;
           }
        }

        if ((!maxSpeedMCS) || (0 != rssidx))
        {
            sinfo->txrate.legacy  = maxRate;
#ifdef LINKSPEED_DEBUG_ENABLED
            pr_info("Reporting legacy rate %d\n", sinfo->txrate.legacy);
#endif //LINKSPEED_DEBUG_ENABLED
        }
        else
        {
            sinfo->txrate.mcs    = maxMCSIdx;
            sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
            if (rate_flags & eHAL_TX_RATE_SGI)
            {
                sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
            }
            if (rate_flags & eHAL_TX_RATE_HT40)
            {
                sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
            }
#ifdef LINKSPEED_DEBUG_ENABLED
            pr_info("Reporting MCS rate %d flags %x\n",
                    sinfo->txrate.mcs,
                    sinfo->txrate.flags );
#endif //LINKSPEED_DEBUG_ENABLED
        }
    }
    else
    {
        // report current rate instead of max rate

        if (rate_flags & eHAL_TX_RATE_LEGACY)
        {
            //provide to the UI in units of 100kbps
            sinfo->txrate.legacy = myRate;
#ifdef LINKSPEED_DEBUG_ENABLED
            pr_info("Reporting actual legacy rate %d\n", sinfo->txrate.legacy);
#endif //LINKSPEED_DEBUG_ENABLED
        }
        else
        {
            //must be MCS
            sinfo->txrate.mcs = pAdapter->hdd_stats.ClassA_stat.mcs_index;
            sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
            if (rate_flags & eHAL_TX_RATE_SGI)
            {
                sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
            }
            if (rate_flags & eHAL_TX_RATE_HT40)
            {
                sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
            }
#ifdef LINKSPEED_DEBUG_ENABLED
            pr_info("Reporting actual MCS rate %d flags %x\n",
                    sinfo->txrate.mcs,
                    sinfo->txrate.flags );
#endif //LINKSPEED_DEBUG_ENABLED
        }
    }
    sinfo->filled |= STATION_INFO_TX_BITRATE;

    sinfo->tx_packets =
       pAdapter->hdd_stats.summary_stat.tx_frm_cnt[0] +
       pAdapter->hdd_stats.summary_stat.tx_frm_cnt[1] +
       pAdapter->hdd_stats.summary_stat.tx_frm_cnt[2] +
       pAdapter->hdd_stats.summary_stat.tx_frm_cnt[3];

    sinfo->tx_retries =
       pAdapter->hdd_stats.summary_stat.retry_cnt[0] +
       pAdapter->hdd_stats.summary_stat.retry_cnt[1] +
       pAdapter->hdd_stats.summary_stat.retry_cnt[2] +
       pAdapter->hdd_stats.summary_stat.retry_cnt[3];

    sinfo->tx_failed =
       pAdapter->hdd_stats.summary_stat.fail_cnt[0] +
       pAdapter->hdd_stats.summary_stat.fail_cnt[1] +
       pAdapter->hdd_stats.summary_stat.fail_cnt[2] +
       pAdapter->hdd_stats.summary_stat.fail_cnt[3];

    sinfo->filled |=
       STATION_INFO_TX_PACKETS |
       STATION_INFO_TX_RETRIES |
       STATION_INFO_TX_FAILED;

       EXIT();
       return 0;
}

static int wlan_hdd_cfg80211_set_power_mgmt(struct wiphy *wiphy,
                     struct net_device *dev, bool mode, v_SINT_t timeout)
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    VOS_STATUS vos_status;

    ENTER();

    if (NULL == pAdapter)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Adapter is NULL\n", __func__);
        return -ENODEV;
    }
    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    /**The get power cmd from the supplicant gets updated by the nl only
     *on successful execution of the function call
     *we are oppositely mapped w.r.t mode in the driver
     **/
    vos_status =  wlan_hdd_enter_bmps(pAdapter, !mode);

    EXIT();
    if (VOS_STATUS_E_FAILURE == vos_status)
    {
        return -EINVAL;
    }
    return 0;
}


#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_set_default_mgmt_key(struct wiphy *wiphy,
                         struct net_device *netdev,
                         u8 key_index)
{
    ENTER();
    return 0;
}
#endif //LINUX_VERSION_CODE 

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
static int wlan_hdd_set_txq_params(struct wiphy *wiphy,
                   struct net_device *dev,
                   struct ieee80211_txq_params *params)
{
    ENTER();
    return 0;
}
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
static int wlan_hdd_set_txq_params(struct wiphy *wiphy,
                   struct ieee80211_txq_params *params)
{
    ENTER();
    return 0;
}
#endif //LINUX_VERSION_CODE

static int wlan_hdd_cfg80211_del_station(struct wiphy *wiphy,
                                         struct net_device *dev, u8 *mac)
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);

    ENTER();
    if ( NULL == pAdapter || NULL == pAdapter->pHddCtx)
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Invalid Adapter or HDD Context " ,__func__);
        return -EINVAL;
    }

    if (((hdd_context_t*)pAdapter->pHddCtx)->isLoadUnloadInProgress)
    {
         hddLog( LOGE,
                 "%s: Wlan Load/Unload is in progress", __func__);
         return -EBUSY;
    }

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    if ( (WLAN_HDD_SOFTAP == pAdapter->device_mode)
#ifdef WLAN_FEATURE_P2P
       || (WLAN_HDD_P2P_GO == pAdapter->device_mode)
#endif
       )
    {
        if( NULL == mac )
        {
            v_U16_t i;
            for(i = 0; i < WLAN_MAX_STA_COUNT; i++)
            {
                if(pAdapter->aStaInfo[i].isUsed)
                {
                    u8 *macAddr = pAdapter->aStaInfo[i].macAddrSTA.bytes;
                    hddLog(VOS_TRACE_LEVEL_INFO,
                                        "%s: Delete STA with MAC::"
                                        "%02x:%02x:%02x:%02x:%02x:%02x",
                                        __func__,
                                        macAddr[0], macAddr[1], macAddr[2],
                                        macAddr[3], macAddr[4], macAddr[5]);
                    hdd_softap_sta_deauth(pAdapter, macAddr);
                }
            }
        }
        else
        {
            hddLog(VOS_TRACE_LEVEL_INFO,
                                "%s: Delete STA with MAC::"
                                "%02x:%02x:%02x:%02x:%02x:%02x",
                                __func__,
                                mac[0], mac[1], mac[2],
                                mac[3], mac[4], mac[5]);
            hdd_softap_sta_deauth(pAdapter, mac);
        }
    }

    EXIT();

    return 0;
}

static int wlan_hdd_cfg80211_add_station(struct wiphy *wiphy,
          struct net_device *dev, u8 *mac, struct station_parameters *params)
{
#ifdef FEATURE_WLAN_TDLS
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    hdd_context_t *pHddCtx = wiphy_priv(wiphy);
    u32 mask, set;
    VOS_STATUS status;
    ENTER();

    if( NULL == pHddCtx || NULL == pHddCtx->cfg_ini )
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "Invalid arguments");
        return -EINVAL;
    }

    if( FALSE == pHddCtx->cfg_ini->fEnableTDLSSupport ||
        FALSE == sme_IsFeatureSupportedByFW(TDLS)) 
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "TDLS Disabled in INI OR not enabled in FW.\
                Cannot process TDLS commands \n");
        return -ENOTSUPP;
    }

    mask = params->sta_flags_mask;

    set = params->sta_flags_set;


    VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
            "Add Station Request Mask = 0x%x set = 0x%x\n", mask, set);

    if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
        if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
            VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
                    "Add TDLS peer");


            status = sme_AddTdlsPeerSta(WLAN_HDD_GET_HAL_CTX(pAdapter), 
                    pAdapter->sessionId, mac);

            if (VOS_STATUS_SUCCESS != status) {
                VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                        "%s: sme_AddTdlsPeerSta failed!", __func__);
            }
        }
    }
#endif

    return 0;
}


#ifdef FEATURE_WLAN_LFR
static int wlan_hdd_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
            struct cfg80211_pmksa *pmksa)
{
#define MAX_PMKSAIDS_IN_CACHE 8
    static tPmkidCacheInfo PMKIDCache[MAX_PMKSAIDS_IN_CACHE]; // HDD Local cache
    static tANI_U32 i; // HDD Local Cache index 
    tANI_U32 j=0;  
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    tHalHandle halHandle;
    eHalStatus result; 
    tANI_U8  BSSIDMatched = 0;
   
    ENTER();

    // Validate pAdapter  
    if ( NULL == pAdapter || NULL == pAdapter->pHddCtx)
    {
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Invalid Adapter or HDD Context " ,__func__);
        return -EINVAL;
    }

    if (((hdd_context_t*)pAdapter->pHddCtx)->isLoadUnloadInProgress)
    {
         hddLog( LOGE,
                 "%s: Wlan Load/Unload is in progress", __func__);
         return -EBUSY;
    }

    if ( (WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress )
    {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s:LOGP in Progress. Ignore!!!", __func__);
        return -EAGAIN;
    }

    // Retrieve halHandle  
    halHandle = WLAN_HDD_GET_HAL_CTX(pAdapter);

    for (j = 0; j < i; j++)
    {
        if(vos_mem_compare(PMKIDCache[j].BSSID, 
                    pmksa->bssid, WNI_CFG_BSSID_LEN))
        {
            /* BSSID matched previous entry.  Overwrite it. */
            BSSIDMatched = 1;
            vos_mem_copy(PMKIDCache[j].BSSID, 
                    pmksa->bssid, WNI_CFG_BSSID_LEN);
            vos_mem_copy(PMKIDCache[j].PMKID, 
                    pmksa->pmkid,   
                    CSR_RSN_PMKID_SIZE);
            hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Reusing cache entry %d.", 
                    __func__, j );
            dump_bssid(pmksa->bssid);
            dump_pmkid(halHandle, pmksa->pmkid);
            break;
        }
    }

    /* Check we compared all entries,if then take the first slot now */
    if(j == MAX_PMKSAIDS_IN_CACHE) i=0;

    if (!BSSIDMatched)
    { 
        // Now, we DON'T have a BSSID match, so take a new entry in the cache.  
        vos_mem_copy(PMKIDCache[i].BSSID, 
                pmksa->bssid, ETHER_ADDR_LEN); 
        vos_mem_copy(PMKIDCache[i].PMKID, 
                pmksa->pmkid,   
                CSR_RSN_PMKID_SIZE);
        hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Adding a new cache entry %d.", 
                __func__, i );
        dump_bssid(pmksa->bssid);
        dump_pmkid(halHandle, pmksa->pmkid);
        // Increment the HDD Local Cache index 
        // The "i=0" doesn't work for the call to sme_RoamSetPMKIDCache() - LFR FIXME
        if (i<=(MAX_PMKSAIDS_IN_CACHE-1)) i++; else i=0; 
    }


    // Calling csrRoamSetPMKIDCache to configure the PMKIDs into the cache
    //hddLog(LOG1, FL("%s: Calling csrRoamSetPMKIDCache with %d cache entries."), 
    //        __func__, i );
    hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Calling csrRoamSetPMKIDCache with %d cache entries.", 
            __func__, i );
    // Finally set the PMKSA ID Cache in CSR
    result = sme_RoamSetPMKIDCache(halHandle,pAdapter->sessionId, 
                                    PMKIDCache, 
                                    i );
    return 0;
}


static int wlan_hdd_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
            struct cfg80211_pmksa *pmksa)
{
    ENTER();
    // TODO: Implement this later.
    return 0;
}

static int wlan_hdd_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev)
{
    ENTER();
    // TODO: Implement this later.
    return 0;
}
#endif

#if defined(WLAN_FEATURE_VOWIFI_11R) && defined(KERNEL_SUPPORT_11R_CFG80211)
static int wlan_hdd_cfg80211_update_ft_ies(struct wiphy *wiphy, 
          struct net_device *dev, struct cfg80211_update_ft_ies_params *ftie)
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    hdd_station_ctx_t *pHddStaCtx;

    if (NULL == pAdapter)
    {
        hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Adapter is NULL\n", __func__);
        return -ENODEV;
    }

    pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);

    // Added for debug on reception of Re-assoc Req.
    if (eConnectionState_Associated != pHddStaCtx->conn_info.connState)
    {
        hddLog(LOGE, FL("Called with Ie of length = %d when not associated\n"),         
               ftie->ie_len);
        hddLog(LOGE, FL("Should be Re-assoc Req IEs\n"));
    }

#ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG
    hddLog(LOGE, FL("%s called with Ie of length = %d\n"), __func__, 
           ftie->ie_len);
#endif

    // Pass the received FT IEs to SME
    sme_SetFTIEs( WLAN_HDD_GET_HAL_CTX(pAdapter), pAdapter->sessionId, ftie->ie, 
                  ftie->ie_len);
    return 0;
}
#endif

#ifdef FEATURE_WLAN_TDLS
static int wlan_hdd_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
                     u8 *peer, u8 action_code,  u8 dialog_token,
                                                 u16 status_code, const u8 *buf, size_t len)
{

    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    hdd_context_t *pHddCtx = wiphy_priv(wiphy);
    u8 *buf_1;
    size_t len_1 = len;
    u8 peerMac[6];
    VOS_STATUS status;

    if( NULL == pHddCtx || NULL == pHddCtx->cfg_ini )
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "Invalid arguments");
        return -EINVAL;
    }

    if( FALSE == pHddCtx->cfg_ini->fEnableTDLSSupport ||
        FALSE == sme_IsFeatureSupportedByFW(TDLS)) 
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "TDLS Disabled in INI OR not enabled in FW.\
                Cannot process TDLS commands \n");
        return -ENOTSUPP;
    }
    vos_mem_copy( peerMac, peer, 6);

    VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
                     "Request to send TDLS management: action = %d, status = %d, \
		      len = %d", action_code, status_code, len);

    buf_1 = vos_mem_malloc(len);
    if(buf_1 == NULL) {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s: malloc failed!", __func__);
        return -ENOMEM;
    }
    vos_mem_copy(buf_1, buf, len);

    status = sme_SendTdlsMgmtFrame(WLAN_HDD_GET_HAL_CTX(pAdapter), pAdapter->sessionId,
            peerMac, action_code, dialog_token, status_code, buf_1, len_1);

    if (VOS_STATUS_SUCCESS != status) {
        VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
                "%s: sme_SendTdlsMgmtFrame failed!", __func__);
    }

    vos_mem_free(buf_1);

    return 0;
}

static int wlan_hdd_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
                 u8 *peer, enum nl80211_tdls_operation oper)
{
    hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
    hdd_context_t *pHddCtx = wiphy_priv(wiphy);

    if( NULL == pHddCtx || NULL == pHddCtx->cfg_ini )
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "Invalid arguments");
        return -EINVAL;
    }
       
    VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
            "Request for TDLS oper: %d", (int)oper);

    if( FALSE == pHddCtx->cfg_ini->fEnableTDLSSupport ||
        FALSE == sme_IsFeatureSupportedByFW(TDLS)) 
    {
        VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
                "TDLS Disabled in INI OR not enabled in FW.\
                Cannot process TDLS commands \n");
        return -ENOTSUPP;
    }

    switch (oper) {
        case NL80211_TDLS_ENABLE_LINK:
            {
                v_CONTEXT_t pVosContext = (WLAN_HDD_GET_CTX(pAdapter))->pvosContext;  
                v_U8_t my_peer[6];
                v_U8_t ucSTAId;
                VOS_STATUS status;

                if (peer) {
                    vos_mem_copy(my_peer, peer, 6);
                    ucSTAId = wlan_hdd_findTdlsPeer(my_peer);

                    hddLog(VOS_TRACE_LEVEL_INFO_HIGH, 
                            "%s: set key for peer %2x:%2x:%2x:%2x:%2x:%2x",
                            __func__, peer[0], peer[1], 
                            peer[2], peer[3], 
                            peer[4], peer[5] );

                    if (-1 == ucSTAId ) {
                        hddLog(VOS_TRACE_LEVEL_ERROR, "wlan_hdd_findTdlsPeer failed" );
                        return 0;
                    }

                    status = WLANTL_ChangeSTAState( pVosContext, ucSTAId, 
                            WLANTL_STA_AUTHENTICATED );

                    if (0 != status) {
                        hddLog(VOS_TRACE_LEVEL_ERROR, 
                                "%s: WLANTL_ChangeSTAState failed, returned %d", 
                                __func__, status);
                        return status;
                    }
                } else {
                    hddLog(VOS_TRACE_LEVEL_WARN, "wlan_hdd_cfg80211_add_key: peer NULL" );
                }
            }
            break;
        case NL80211_TDLS_DISABLE_LINK:
            sme_DeleteTdlsPeerSta( WLAN_HDD_GET_HAL_CTX(pAdapter), 
                    pAdapter->sessionId, peer );
            return 0;
        case NL80211_TDLS_TEARDOWN:
        case NL80211_TDLS_SETUP:
        case NL80211_TDLS_DISCOVERY_REQ:
            /* We don't support in-driver setup/teardown/discovery */
            return -ENOTSUPP;
        default:
            return -ENOTSUPP;
    }
    return 0;
}
#endif

/* cfg80211_ops */
static struct cfg80211_ops wlan_hdd_cfg80211_ops = 
{
    .add_virtual_intf = wlan_hdd_add_virtual_intf,
    .del_virtual_intf = wlan_hdd_del_virtual_intf,
    .change_virtual_intf = wlan_hdd_cfg80211_change_iface,
    .change_station = wlan_hdd_change_station,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
    .add_beacon = wlan_hdd_cfg80211_add_beacon,
    .del_beacon = wlan_hdd_cfg80211_del_beacon,
    .set_beacon = wlan_hdd_cfg80211_set_beacon,
#else
    .start_ap = wlan_hdd_cfg80211_start_ap,
    .change_beacon = wlan_hdd_cfg80211_change_beacon,
    .stop_ap = wlan_hdd_cfg80211_stop_ap,
#endif
    .change_bss = wlan_hdd_cfg80211_change_bss,
    .add_key = wlan_hdd_cfg80211_add_key,
    .get_key = wlan_hdd_cfg80211_get_key,
    .del_key = wlan_hdd_cfg80211_del_key,
    .set_default_key = wlan_hdd_cfg80211_set_default_key,
    .set_channel = wlan_hdd_cfg80211_set_channel,
    .scan = wlan_hdd_cfg80211_scan,
    .connect = wlan_hdd_cfg80211_connect,
    .disconnect = wlan_hdd_cfg80211_disconnect,
    .join_ibss  = wlan_hdd_cfg80211_join_ibss,
    .leave_ibss = wlan_hdd_cfg80211_leave_ibss,
    .set_wiphy_params = wlan_hdd_cfg80211_set_wiphy_params,
    .set_tx_power = wlan_hdd_cfg80211_set_txpower,
    .get_tx_power = wlan_hdd_cfg80211_get_txpower,
#ifdef WLAN_FEATURE_P2P
    .remain_on_channel = wlan_hdd_cfg80211_remain_on_channel,
    .cancel_remain_on_channel =  wlan_hdd_cfg80211_cancel_remain_on_channel,
    .mgmt_tx =  wlan_hdd_action,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
     .mgmt_tx_cancel_wait = wlan_hdd_cfg80211_mgmt_tx_cancel_wait,
     .set_default_mgmt_key = wlan_hdd_set_default_mgmt_key,
     .set_txq_params = wlan_hdd_set_txq_params,
#endif
#endif
     .get_station = wlan_hdd_cfg80211_get_station,
     .set_power_mgmt = wlan_hdd_cfg80211_set_power_mgmt,
     .del_station  = wlan_hdd_cfg80211_del_station,
     .add_station  = wlan_hdd_cfg80211_add_station,
#ifdef FEATURE_WLAN_LFR
     .set_pmksa = wlan_hdd_cfg80211_set_pmksa,
     .del_pmksa = wlan_hdd_cfg80211_del_pmksa,
     .flush_pmksa = wlan_hdd_cfg80211_flush_pmksa,
#endif
#if defined(WLAN_FEATURE_VOWIFI_11R) && defined(KERNEL_SUPPORT_11R_CFG80211)
     .update_ft_ies = wlan_hdd_cfg80211_update_ft_ies,
#endif
#ifdef FEATURE_WLAN_TDLS
     .tdls_mgmt = wlan_hdd_cfg80211_tdls_mgmt,
     .tdls_oper = wlan_hdd_cfg80211_tdls_oper,
#endif
};

#endif // CONFIG_CFG80211