core/hdd/src/wlan_hdd_assoc.c

/*
 * Copyright (c) 2012-2017 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.
 */

/*
 * This file was originally distributed by Qualcomm Atheros, Inc.
 * under proprietary terms before Copyright ownership was assigned
 * to the Linux Foundation.
 */

/**
 *  DOC: wlan_hdd_assoc.c
 *
 *  WLAN Host Device Driver implementation
 *
 */

#include "wlan_hdd_includes.h"
#include <ani_global.h>
#include "dot11f.h"
#include "wlan_hdd_power.h"
#include "wlan_hdd_trace.h"
#include <linux/ieee80211.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <net/cfg80211.h>
#include "wlan_hdd_cfg80211.h"
#include "csr_inside_api.h"
#include "wlan_hdd_p2p.h"
#include "wlan_hdd_tdls.h"
#include "sme_api.h"
#include "wlan_hdd_hostapd.h"
#include <wlan_hdd_ipa.h>
#include "wlan_hdd_lpass.h"
#include <wlan_logging_sock_svc.h>
#include <cds_sched.h>
#include "wlan_policy_mgr_api.h"
#include <cds_utils.h>
#include "sme_power_save_api.h"
#include "wlan_hdd_napi.h"
#include <cdp_txrx_cmn.h>
#include <cdp_txrx_flow_ctrl_legacy.h>
#include <cdp_txrx_peer_ops.h>
#include <cdp_txrx_misc.h>
#include <cdp_txrx_ctrl.h>
#include <wlan_logging_sock_svc.h>
#include <wlan_hdd_object_manager.h>
#include <cdp_txrx_handle.h>
#include "wlan_pmo_ucfg_api.h"
#include "wlan_hdd_tsf.h"
#include "wlan_utility.h"
#include "wlan_p2p_ucfg_api.h"

/* These are needed to recognize WPA and RSN suite types */
#define HDD_WPA_OUI_SIZE 4
#define HDD_RSN_OUI_SIZE 4
uint8_t ccp_wpa_oui00[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x00 };
uint8_t ccp_wpa_oui01[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x01 };
uint8_t ccp_wpa_oui02[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x02 };
uint8_t ccp_wpa_oui03[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x03 };
uint8_t ccp_wpa_oui04[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x04 };
uint8_t ccp_wpa_oui05[HDD_WPA_OUI_SIZE] = { 0x00, 0x50, 0xf2, 0x05 };

#ifdef FEATURE_WLAN_ESE
/* CCKM */
uint8_t ccp_wpa_oui06[HDD_WPA_OUI_SIZE] = { 0x00, 0x40, 0x96, 0x00 };
/* CCKM */
uint8_t ccp_rsn_oui06[HDD_RSN_OUI_SIZE] = { 0x00, 0x40, 0x96, 0x00 };
#endif /* FEATURE_WLAN_ESE */

/* group cipher */
uint8_t ccp_rsn_oui00[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x00 };

/* WEP-40 or RSN */
uint8_t ccp_rsn_oui01[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x01 };

/* TKIP or RSN-PSK */
uint8_t ccp_rsn_oui02[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x02 };

/* Reserved */
uint8_t ccp_rsn_oui03[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x03 };

/* AES-CCMP */
uint8_t ccp_rsn_oui04[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x04 };

/* WEP-104 */
uint8_t ccp_rsn_oui05[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x05 };

#ifdef WLAN_FEATURE_11W
/* RSN-PSK-SHA256 */
uint8_t ccp_rsn_oui07[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x06 };

/* RSN-8021X-SHA256 */
uint8_t ccp_rsn_oui08[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x05 };
#endif

/* AES-GCMP-128 */
uint8_t ccp_rsn_oui09[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x08 };

/* AES-GCMP-256 */
uint8_t ccp_rsn_oui0a[HDD_RSN_OUI_SIZE] = { 0x00, 0x0F, 0xAC, 0x09 };
#ifdef WLAN_FEATURE_FILS_SK
uint8_t ccp_rsn_oui_0e[HDD_RSN_OUI_SIZE] = {0x00, 0x0F, 0xAC, 0x0E};
uint8_t ccp_rsn_oui_0f[HDD_RSN_OUI_SIZE] = {0x00, 0x0F, 0xAC, 0x0F};
uint8_t ccp_rsn_oui_10[HDD_RSN_OUI_SIZE] = {0x00, 0x0F, 0xAC, 0x10};
uint8_t ccp_rsn_oui_11[HDD_RSN_OUI_SIZE] = {0x00, 0x0F, 0xAC, 0x11};
#endif
uint8_t ccp_rsn_oui_12[HDD_RSN_OUI_SIZE] = {0x50, 0x6F, 0x9A, 0x02};

/* OWE https://tools.ietf.org/html/rfc8110 */
uint8_t ccp_rsn_oui_18[HDD_RSN_OUI_SIZE] = {0x00, 0x0F, 0xAC, 0x12};

/* Offset where the EID-Len-IE, start. */
#define FT_ASSOC_RSP_IES_OFFSET 6  /* Capability(2) + AID(2) + Status Code(2) */
#define FT_ASSOC_REQ_IES_OFFSET 4  /* Capability(2) + LI(2) */

#define BEACON_FRAME_IES_OFFSET 12
#define HDD_PEER_AUTHORIZE_WAIT 10

/**
 * beacon_filter_table - table of IEs used for beacon filtering
 */
static const int beacon_filter_table[] = {
	SIR_MAC_DS_PARAM_SET_EID,
	SIR_MAC_ERP_INFO_EID,
	SIR_MAC_EDCA_PARAM_SET_EID,
	SIR_MAC_QOS_CAPABILITY_EID,
	SIR_MAC_HT_INFO_EID,
	SIR_MAC_VHT_OPMODE_EID,
	SIR_MAC_VHT_OPERATION_EID,
#ifdef WLAN_FEATURE_11AX_BSS_COLOR
	/*
	 * EID: 221 vendor IE is being used temporarily by 11AX
	 * bss-color-change IE till it gets any fixed number. This
	 * vendor EID needs to be replaced with bss-color-change IE
	 * number.
	 */
	SIR_MAC_EID_VENDOR,
#endif
};

/**
 * hdd_conn_set_authenticated() - set authentication state
 * @adapter: pointer to the adapter
 * @authState: authentication state
 *
 * This function updates the global HDD station context
 * authentication state.
 *
 * Return: none
 */
static void
hdd_conn_set_authenticated(struct hdd_adapter *adapter, uint8_t authState)
{
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	/* save the new connection state */
	hdd_debug("Authenticated state Changed from oldState:%d to State:%d",
		   sta_ctx->conn_info.uIsAuthenticated, authState);
	sta_ctx->conn_info.uIsAuthenticated = authState;
}

/**
 * hdd_conn_set_connection_state() - set connection state
 * @adapter: pointer to the adapter
 * @conn_state: connection state
 *
 * This function updates the global HDD station context connection state.
 *
 * Return: none
 */
void hdd_conn_set_connection_state(struct hdd_adapter *adapter,
				   eConnectionState conn_state)
{
	struct hdd_station_ctx *hdd_sta_ctx =
		WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	/* save the new connection state */
	hdd_debug("%pS Changed conn state from old:%d to new:%d for dev %s",
		(void *)_RET_IP_, hdd_sta_ctx->conn_info.connState,
		conn_state, adapter->dev->name);

	hdd_tsf_notify_wlan_state_change(adapter,
					 hdd_sta_ctx->conn_info.connState,
					 conn_state);
	hdd_sta_ctx->conn_info.connState = conn_state;
}

/**
 * hdd_conn_get_connection_state() - get connection state
 * @adapter: pointer to the adapter
 * @pConnState: pointer to connection state
 *
 * This function updates the global HDD station context connection state.
 *
 * Return: true if (Infra Associated or IBSS Connected)
 *	and sets output parameter pConnState;
 *	false otherwise
 */
static inline bool
hdd_conn_get_connection_state(struct hdd_station_ctx *sta_ctx,
			      eConnectionState *pConnState)
{
	bool fConnected = false;
	eConnectionState connState;

	/* get the connection state. */
	connState = sta_ctx->conn_info.connState;

	if (eConnectionState_Associated == connState ||
	    eConnectionState_IbssConnected == connState ||
	    eConnectionState_IbssDisconnected == connState) {
		fConnected = true;
	}

	if (pConnState)
		*pConnState = connState;

	return fConnected;
}

/**
 * hdd_is_connecting() - Function to check connection progress
 * @hdd_sta_ctx:    pointer to global HDD Station context
 *
 * Return: true if connecting, false otherwise
 */
bool hdd_is_connecting(struct hdd_station_ctx *hdd_sta_ctx)
{
	return hdd_sta_ctx->conn_info.connState ==
		eConnectionState_Connecting;
}

/**
 * hdd_conn_is_connected() - Function to check connection status
 * @sta_ctx:    pointer to global HDD Station context
 *
 * Return: false if any errors encountered, true otherwise
 */
bool hdd_conn_is_connected(struct hdd_station_ctx *sta_ctx)
{
	return hdd_conn_get_connection_state(sta_ctx, NULL);
}

/**
 * hdd_conn_get_connected_band() - get current connection radio band
 * @sta_ctx:    pointer to global HDD Station context
 *
 * Return: BAND_2G or BAND_5G based on current AP connection
 *	BAND_ALL if not connected
 */
enum band_info hdd_conn_get_connected_band(struct hdd_station_ctx *sta_ctx)
{
	uint8_t staChannel = 0;

	if (eConnectionState_Associated == sta_ctx->conn_info.connState)
		staChannel = sta_ctx->conn_info.operationChannel;

	if (staChannel > 0 && staChannel < 14)
		return BAND_2G;
	else if (staChannel >= 36 && staChannel <= 184)
		return BAND_5G;
	else   /* If station is not connected return as BAND_ALL */
		return BAND_ALL;
}

/**
 * hdd_conn_get_connected_cipher_algo() - get current connection cipher type
 * @sta_ctx: pointer to global HDD Station context
 * @pConnectedCipherAlgo: pointer to connected cipher algo
 *
 * Return: false if any errors encountered, true otherwise
 */
static inline bool
hdd_conn_get_connected_cipher_algo(struct hdd_station_ctx *sta_ctx,
				   eCsrEncryptionType *pConnectedCipherAlgo)
{
	bool fConnected = false;

	fConnected = hdd_conn_get_connection_state(sta_ctx, NULL);

	if (pConnectedCipherAlgo)
		*pConnectedCipherAlgo = sta_ctx->conn_info.ucEncryptionType;

	return fConnected;
}

/**
 * hdd_remove_beacon_filter() - remove beacon filter
 * @adapter: Pointer to the hdd adapter
 *
 * Return: 0 on success and errno on failure
 */
static int hdd_remove_beacon_filter(struct hdd_adapter *adapter)
{
	QDF_STATUS status;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	status = sme_remove_beacon_filter(hdd_ctx->hHal,
				adapter->session_id);
	if (!QDF_IS_STATUS_SUCCESS(status)) {
		hdd_err("sme_remove_beacon_filter() failed");
		return -EFAULT;
	}

	return 0;
}

/**
 * hdd_add_beacon_filter() - add beacon filter
 * @adapter: Pointer to the hdd adapter
 *
 * Return: 0 on success and errno on failure
 */
static int hdd_add_beacon_filter(struct hdd_adapter *adapter)
{
	int i;
	uint32_t ie_map[SIR_BCN_FLT_MAX_ELEMS_IE_LIST] = {0};
	QDF_STATUS status;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	for (i = 0; i < ARRAY_SIZE(beacon_filter_table); i++)
		qdf_set_bit((beacon_filter_table[i]),
				(unsigned long int *)ie_map);

	status = sme_add_beacon_filter(hdd_ctx->hHal,
				adapter->session_id, ie_map);
	if (!QDF_IS_STATUS_SUCCESS(status)) {
		hdd_err("sme_add_beacon_filter() failed");
		return -EFAULT;
	}
	return 0;
}

/**
 * hdd_copy_vht_caps()- copy vht caps info from roam info to
 *  hdd station context.
 * @hdd_sta_ctx: pointer to hdd station context
 * @roam_info: pointer to roam info
 *
 * Return: None
 */
static void hdd_copy_ht_caps(struct hdd_station_ctx *hdd_sta_ctx,
				     struct csr_roam_info *roam_info)
{
	tDot11fIEHTCaps *roam_ht_cap = &roam_info->ht_caps;
	struct ieee80211_ht_cap *hdd_ht_cap = &hdd_sta_ctx->conn_info.ht_caps;
	uint32_t i, temp_ht_cap;

	qdf_mem_zero(hdd_ht_cap, sizeof(struct ieee80211_ht_cap));

	if (roam_ht_cap->advCodingCap)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_LDPC_CODING;
	if (roam_ht_cap->supportedChannelWidthSet)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
	temp_ht_cap = roam_ht_cap->mimoPowerSave &
	    (IEEE80211_HT_CAP_SM_PS >> IEEE80211_HT_CAP_SM_PS_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->cap_info |=
			temp_ht_cap << IEEE80211_HT_CAP_SM_PS_SHIFT;
	if (roam_ht_cap->greenField)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_GRN_FLD;
	if (roam_ht_cap->shortGI20MHz)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_SGI_20;
	if (roam_ht_cap->shortGI40MHz)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_SGI_40;
	if (roam_ht_cap->txSTBC)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_TX_STBC;
	temp_ht_cap = roam_ht_cap->rxSTBC & (IEEE80211_HT_CAP_RX_STBC >>
	    IEEE80211_HT_CAP_RX_STBC_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->cap_info |=
			temp_ht_cap << IEEE80211_HT_CAP_RX_STBC_SHIFT;
	if (roam_ht_cap->delayedBA)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_DELAY_BA;
	if (roam_ht_cap->maximalAMSDUsize)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_MAX_AMSDU;
	if (roam_ht_cap->dsssCckMode40MHz)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_DSSSCCK40;
	if (roam_ht_cap->psmp)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_RESERVED;
	if (roam_ht_cap->stbcControlFrame)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
	if (roam_ht_cap->lsigTXOPProtection)
		hdd_ht_cap->cap_info |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;

	/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
	if (roam_ht_cap->maxRxAMPDUFactor)
		hdd_ht_cap->ampdu_params_info |=
			IEEE80211_HT_AMPDU_PARM_FACTOR;
	temp_ht_cap = roam_ht_cap->mpduDensity &
	    (IEEE80211_HT_AMPDU_PARM_DENSITY >>
	     IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->ampdu_params_info |=
		temp_ht_cap << IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT;

	/* 802.11n HT extended capabilities masks */
	if (roam_ht_cap->pco)
		hdd_ht_cap->extended_ht_cap_info |=
			IEEE80211_HT_EXT_CAP_PCO;
	temp_ht_cap = roam_ht_cap->transitionTime &
	    (IEEE80211_HT_EXT_CAP_PCO_TIME >>
	    IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->extended_ht_cap_info |=
			temp_ht_cap << IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT;
	temp_ht_cap = roam_ht_cap->mcsFeedback &
	    (IEEE80211_HT_EXT_CAP_MCS_FB >> IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->extended_ht_cap_info |=
			temp_ht_cap << IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT;

	/* tx_bf_cap_info capabilities */
	if (roam_ht_cap->txBF)
		hdd_ht_cap->tx_BF_cap_info |= TX_BF_CAP_INFO_TX_BF;
	if (roam_ht_cap->rxStaggeredSounding)
		hdd_ht_cap->tx_BF_cap_info |=
			TX_BF_CAP_INFO_RX_STAG_RED_SOUNDING;
	if (roam_ht_cap->txStaggeredSounding)
		hdd_ht_cap->tx_BF_cap_info |=
			TX_BF_CAP_INFO_TX_STAG_RED_SOUNDING;
	if (roam_ht_cap->rxZLF)
		hdd_ht_cap->tx_BF_cap_info |= TX_BF_CAP_INFO_RX_ZFL;
	if (roam_ht_cap->txZLF)
		hdd_ht_cap->tx_BF_cap_info |= TX_BF_CAP_INFO_TX_ZFL;
	if (roam_ht_cap->implicitTxBF)
		hdd_ht_cap->tx_BF_cap_info |= TX_BF_CAP_INFO_IMP_TX_BF;
	temp_ht_cap = roam_ht_cap->calibration &
	    (TX_BF_CAP_INFO_CALIBRATION >> TX_BF_CAP_INFO_CALIBRATION_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap << TX_BF_CAP_INFO_CALIBRATION_SHIFT;
	if (roam_ht_cap->explicitCSITxBF)
		hdd_ht_cap->tx_BF_cap_info |= TX_BF_CAP_INFO_EXP_CSIT_BF;
	if (roam_ht_cap->explicitUncompressedSteeringMatrix)
		hdd_ht_cap->tx_BF_cap_info |=
			TX_BF_CAP_INFO_EXP_UNCOMP_STEER_MAT;
	temp_ht_cap = roam_ht_cap->explicitBFCSIFeedback &
	    (TX_BF_CAP_INFO_EXP_BF_CSI_FB >>
	     TX_BF_CAP_INFO_EXP_BF_CSI_FB_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap << TX_BF_CAP_INFO_EXP_BF_CSI_FB_SHIFT;
	temp_ht_cap =
	    roam_ht_cap->explicitUncompressedSteeringMatrixFeedback &
	    (TX_BF_CAP_INFO_EXP_UNCMP_STEER_MAT >>
	     TX_BF_CAP_INFO_EXP_UNCMP_STEER_MAT_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap <<
			TX_BF_CAP_INFO_EXP_UNCMP_STEER_MAT_SHIFT;
	temp_ht_cap =
	    roam_ht_cap->explicitCompressedSteeringMatrixFeedback &
	    (TX_BF_CAP_INFO_EXP_CMP_STEER_MAT_FB >>
	     TX_BF_CAP_INFO_EXP_CMP_STEER_MAT_FB_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap <<
				TX_BF_CAP_INFO_EXP_CMP_STEER_MAT_FB_SHIFT;
	temp_ht_cap = roam_ht_cap->csiNumBFAntennae &
	    (TX_BF_CAP_INFO_CSI_NUM_BF_ANT >>
	     TX_BF_CAP_INFO_CSI_NUM_BF_ANT_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap << TX_BF_CAP_INFO_CSI_NUM_BF_ANT_SHIFT;
	temp_ht_cap = roam_ht_cap->uncompressedSteeringMatrixBFAntennae &
	    (TX_BF_CAP_INFO_UNCOMP_STEER_MAT_BF_ANT >>
	     TX_BF_CAP_INFO_UNCOMP_STEER_MAT_BF_ANT_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap <<
				TX_BF_CAP_INFO_UNCOMP_STEER_MAT_BF_ANT_SHIFT;
	temp_ht_cap = roam_ht_cap->compressedSteeringMatrixBFAntennae &
	    (TX_BF_CAP_INFO_COMP_STEER_MAT_BF_ANT >>
	     TX_BF_CAP_INFO_COMP_STEER_MAT_BF_ANT_SHIFT);
	if (temp_ht_cap)
		hdd_ht_cap->tx_BF_cap_info |=
			temp_ht_cap <<
				TX_BF_CAP_INFO_COMP_STEER_MAT_BF_ANT_SHIFT;

	/* antenna selection */
	if (roam_ht_cap->antennaSelection)
		hdd_ht_cap->antenna_selection_info |= ANTENNA_SEL_INFO;
	if (roam_ht_cap->explicitCSIFeedbackTx)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_EXP_CSI_FB_TX;
	if (roam_ht_cap->antennaIndicesFeedbackTx)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_ANT_ID_FB_TX;
	if (roam_ht_cap->explicitCSIFeedback)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_EXP_CSI_FB;
	if (roam_ht_cap->antennaIndicesFeedback)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_ANT_ID_FB;
	if (roam_ht_cap->rxAS)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_RX_AS;
	if (roam_ht_cap->txSoundingPPDUs)
		hdd_ht_cap->antenna_selection_info |=
			ANTENNA_SEL_INFO_TX_SOUNDING_PPDU;

	/* mcs data rate */
	for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; ++i)
		hdd_ht_cap->mcs.rx_mask[i] =
			roam_ht_cap->supportedMCSSet[i];
	hdd_ht_cap->mcs.rx_highest =
			((short) (roam_ht_cap->supportedMCSSet[11]) << 8) |
			((short) (roam_ht_cap->supportedMCSSet[10]));
	hdd_ht_cap->mcs.tx_params =
			roam_ht_cap->supportedMCSSet[12];
}

#define VHT_CAP_MAX_MPDU_LENGTH_MASK 0x00000003
#define VHT_CAP_SUPP_CHAN_WIDTH_MASK_SHIFT 2
#define VHT_CAP_RXSTBC_MASK_SHIFT 8
#define VHT_CAP_BEAMFORMEE_STS_SHIFT 13
#define VHT_CAP_BEAMFORMEE_STS_MASK \
	(0x0000e000 >> VHT_CAP_BEAMFORMEE_STS_SHIFT)
#define VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
#define VHT_CAP_SOUNDING_DIMENSIONS_MASK \
	(0x00070000 >> VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
#define VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_SHIFT 23
#define VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
	(0x03800000 >> VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_SHIFT)
#define VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB_SHIFT 26

/**
 * hdd_copy_ht_caps()- copy ht caps info from roam info to
 *  hdd station context.
 * @hdd_sta_ctx: pointer to hdd station context
 * @roam_info: pointer to roam info
 *
 * Return: None
 */
static void hdd_copy_vht_caps(struct hdd_station_ctx *hdd_sta_ctx,
				     struct csr_roam_info *roam_info)
{
	tDot11fIEVHTCaps *roam_vht_cap = &roam_info->vht_caps;
	struct ieee80211_vht_cap *hdd_vht_cap =
		&hdd_sta_ctx->conn_info.vht_caps;
	uint32_t temp_vht_cap;

	qdf_mem_zero(hdd_vht_cap, sizeof(struct ieee80211_vht_cap));

	temp_vht_cap = roam_vht_cap->maxMPDULen & VHT_CAP_MAX_MPDU_LENGTH_MASK;
	hdd_vht_cap->vht_cap_info |= temp_vht_cap;
	temp_vht_cap = roam_vht_cap->supportedChannelWidthSet &
		(IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK >>
			VHT_CAP_SUPP_CHAN_WIDTH_MASK_SHIFT);
	if (temp_vht_cap) {
		if (roam_vht_cap->supportedChannelWidthSet &
		    (IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ >>
			VHT_CAP_SUPP_CHAN_WIDTH_MASK_SHIFT))
			hdd_vht_cap->vht_cap_info |=
				temp_vht_cap <<
				IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
		if (roam_vht_cap->supportedChannelWidthSet &
		    (IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ >>
			VHT_CAP_SUPP_CHAN_WIDTH_MASK_SHIFT))
			hdd_vht_cap->vht_cap_info |=
			temp_vht_cap <<
			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
	}
	if (roam_vht_cap->ldpcCodingCap)
		hdd_vht_cap->vht_cap_info |= IEEE80211_VHT_CAP_RXLDPC;
	if (roam_vht_cap->shortGI80MHz)
		hdd_vht_cap->vht_cap_info |= IEEE80211_VHT_CAP_SHORT_GI_80;
	if (roam_vht_cap->shortGI160and80plus80MHz)
		hdd_vht_cap->vht_cap_info |= IEEE80211_VHT_CAP_SHORT_GI_160;
	if (roam_vht_cap->txSTBC)
		hdd_vht_cap->vht_cap_info |= IEEE80211_VHT_CAP_TXSTBC;
	temp_vht_cap = roam_vht_cap->rxSTBC & (IEEE80211_VHT_CAP_RXSTBC_MASK >>
		VHT_CAP_RXSTBC_MASK_SHIFT);
	if (temp_vht_cap)
		hdd_vht_cap->vht_cap_info |=
			temp_vht_cap << VHT_CAP_RXSTBC_MASK_SHIFT;
	if (roam_vht_cap->suBeamFormerCap)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
	if (roam_vht_cap->suBeamformeeCap)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
	temp_vht_cap = roam_vht_cap->csnofBeamformerAntSup &
			(VHT_CAP_BEAMFORMEE_STS_MASK);
	if (temp_vht_cap)
		hdd_vht_cap->vht_cap_info |=
			temp_vht_cap << VHT_CAP_BEAMFORMEE_STS_SHIFT;
	temp_vht_cap = roam_vht_cap->numSoundingDim &
			(VHT_CAP_SOUNDING_DIMENSIONS_MASK);
	if (temp_vht_cap)
		hdd_vht_cap->vht_cap_info |=
			temp_vht_cap << VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
	if (roam_vht_cap->muBeamformerCap)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
	if (roam_vht_cap->muBeamformeeCap)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
	if (roam_vht_cap->vhtTXOPPS)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_VHT_TXOP_PS;
	if (roam_vht_cap->htcVHTCap)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_HTC_VHT;
	temp_vht_cap = roam_vht_cap->maxAMPDULenExp &
			(VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
	if (temp_vht_cap)
		hdd_vht_cap->vht_cap_info |=
			temp_vht_cap <<
			VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_SHIFT;
	temp_vht_cap = roam_vht_cap->vhtLinkAdaptCap &
		(IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB >>
		 VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB_SHIFT);
	if (temp_vht_cap)
		hdd_vht_cap->vht_cap_info |= temp_vht_cap <<
			VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB_SHIFT;
	if (roam_vht_cap->rxAntPattern)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN;
	if (roam_vht_cap->txAntPattern)
		hdd_vht_cap->vht_cap_info |=
			IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
	hdd_vht_cap->supp_mcs.rx_mcs_map = roam_vht_cap->rxMCSMap;
	hdd_vht_cap->supp_mcs.rx_highest =
		((uint16_t)roam_vht_cap->rxHighSupDataRate);
	hdd_vht_cap->supp_mcs.tx_mcs_map = roam_vht_cap->txMCSMap;
	hdd_vht_cap->supp_mcs.tx_highest =
		((uint16_t)roam_vht_cap->txSupDataRate);
}

/* ht param */
#define HT_PARAM_CONTROLLED_ACCESS_ONLY 0x10
#define HT_PARAM_SERVICE_INT_GRAN 0xe0
#define HT_PARAM_SERVICE_INT_GRAN_SHIFT 5

/* operatinon mode */
#define HT_OP_MODE_TX_BURST_LIMIT 0x0008

/* stbc_param */
#define HT_STBC_PARAM_MCS 0x007f

/**
 * hdd_copy_ht_operation()- copy HT operation element from roam info to
 *  hdd station context.
 * @hdd_sta_ctx: pointer to hdd station context
 * @roam_info: pointer to roam info
 *
 * Return: None
 */
static void hdd_copy_ht_operation(struct hdd_station_ctx *hdd_sta_ctx,
					    struct csr_roam_info *roam_info)
{
	tDot11fIEHTInfo *roam_ht_ops = &roam_info->ht_operation;
	struct ieee80211_ht_operation *hdd_ht_ops =
		&hdd_sta_ctx->conn_info.ht_operation;
	uint32_t i, temp_ht_ops;

	qdf_mem_zero(hdd_ht_ops, sizeof(struct ieee80211_ht_operation));

	hdd_ht_ops->primary_chan = roam_ht_ops->primaryChannel;

	/* HT_PARAMS */
	temp_ht_ops = roam_ht_ops->secondaryChannelOffset &
		IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
	if (temp_ht_ops)
		hdd_ht_ops->ht_param |= temp_ht_ops;
	else
		hdd_ht_ops->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
	if (roam_ht_ops->recommendedTxWidthSet)
		hdd_ht_ops->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
	if (roam_ht_ops->rifsMode)
		hdd_ht_ops->ht_param |= IEEE80211_HT_PARAM_RIFS_MODE;
	if (roam_ht_ops->controlledAccessOnly)
		hdd_ht_ops->ht_param |= HT_PARAM_CONTROLLED_ACCESS_ONLY;
	temp_ht_ops = roam_ht_ops->serviceIntervalGranularity &
		(HT_PARAM_SERVICE_INT_GRAN >> HT_PARAM_SERVICE_INT_GRAN_SHIFT);
	if (temp_ht_ops)
		hdd_ht_ops->ht_param |= temp_ht_ops <<
			HT_PARAM_SERVICE_INT_GRAN_SHIFT;

	/* operation mode */
	temp_ht_ops = roam_ht_ops->opMode &
			IEEE80211_HT_OP_MODE_PROTECTION;
	switch (temp_ht_ops) {
	case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
		break;
	case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
		break;
	case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
		break;
	case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
	default:
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_PROTECTION_NONE;
	}
	if (roam_ht_ops->nonGFDevicesPresent)
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
	if (roam_ht_ops->transmitBurstLimit)
		hdd_ht_ops->operation_mode |=
			HT_OP_MODE_TX_BURST_LIMIT;
	if (roam_ht_ops->obssNonHTStaPresent)
		hdd_ht_ops->operation_mode |=
			IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;

	/* stbc_param */
	temp_ht_ops = roam_ht_ops->basicSTBCMCS &
			HT_STBC_PARAM_MCS;
	if (temp_ht_ops)
		hdd_ht_ops->stbc_param |= temp_ht_ops;
	if (roam_ht_ops->dualCTSProtection)
		hdd_ht_ops->stbc_param |=
			IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT;
	if (roam_ht_ops->secondaryBeacon)
		hdd_ht_ops->stbc_param |=
			IEEE80211_HT_STBC_PARAM_STBC_BEACON;
	if (roam_ht_ops->lsigTXOPProtectionFullSupport)
		hdd_ht_ops->stbc_param |=
			IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT;
	if (roam_ht_ops->pcoActive)
		hdd_ht_ops->stbc_param |=
			IEEE80211_HT_STBC_PARAM_PCO_ACTIVE;
	if (roam_ht_ops->pcoPhase)
		hdd_ht_ops->stbc_param |=
			IEEE80211_HT_STBC_PARAM_PCO_PHASE;

	/* basic MCs set */
	for (i = 0; i < 16; ++i)
		hdd_ht_ops->basic_set[i] =
			roam_ht_ops->basicMCSSet[i];
}

#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
static void hdd_copy_vht_center_freq(struct ieee80211_vht_operation *ieee_ops,
				     tDot11fIEVHTOperation *roam_ops)
{
	ieee_ops->center_freq_seg0_idx = roam_ops->chanCenterFreqSeg1;
	ieee_ops->center_freq_seg1_idx = roam_ops->chanCenterFreqSeg2;
}
#else
static void hdd_copy_vht_center_freq(struct ieee80211_vht_operation *ieee_ops,
				     tDot11fIEVHTOperation *roam_ops)
{
	ieee_ops->center_freq_seg1_idx = roam_ops->chanCenterFreqSeg1;
	ieee_ops->center_freq_seg2_idx = roam_ops->chanCenterFreqSeg2;
}
#endif /* KERNEL_VERSION(4, 12, 0) */

/**
 * hdd_copy_vht_operation()- copy VHT operations element from roam info to
 *  hdd station context.
 * @hdd_sta_ctx: pointer to hdd station context
 * @roam_info: pointer to roam info
 *
 * Return: None
 */
static void hdd_copy_vht_operation(struct hdd_station_ctx *hdd_sta_ctx,
					      struct csr_roam_info *roam_info)
{
	tDot11fIEVHTOperation *roam_vht_ops = &roam_info->vht_operation;
	struct ieee80211_vht_operation *hdd_vht_ops =
		&hdd_sta_ctx->conn_info.vht_operation;

	qdf_mem_zero(hdd_vht_ops, sizeof(struct ieee80211_vht_operation));

	hdd_vht_ops->chan_width = roam_vht_ops->chanWidth;
	hdd_copy_vht_center_freq(hdd_vht_ops, roam_vht_ops);
	hdd_vht_ops->basic_mcs_set = roam_vht_ops->basicMCSSet;
}


/**
 * hdd_save_bss_info() - save connection info in hdd sta ctx
 * @adapter: Pointer to adapter
 * @roam_info: pointer to roam info
 *
 * Return: None
 */
static void hdd_save_bss_info(struct hdd_adapter *adapter,
						struct csr_roam_info *roam_info)
{
	struct hdd_station_ctx *hdd_sta_ctx =
		WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	hdd_sta_ctx->conn_info.freq = cds_chan_to_freq(
		hdd_sta_ctx->conn_info.operationChannel);
	if (roam_info->vht_caps.present) {
		hdd_sta_ctx->conn_info.conn_flag.vht_present = true;
		hdd_copy_vht_caps(hdd_sta_ctx, roam_info);
	} else {
		hdd_sta_ctx->conn_info.conn_flag.vht_present = false;
	}
	if (roam_info->ht_caps.present) {
		hdd_sta_ctx->conn_info.conn_flag.ht_present = true;
		hdd_copy_ht_caps(hdd_sta_ctx, roam_info);
	} else {
		hdd_sta_ctx->conn_info.conn_flag.ht_present = false;
	}
	if (roam_info->reassoc)
		hdd_sta_ctx->conn_info.roam_count++;
	if (roam_info->hs20vendor_ie.present) {
		hdd_sta_ctx->conn_info.conn_flag.hs20_present = true;
		qdf_mem_copy(&hdd_sta_ctx->conn_info.hs20vendor_ie,
			     &roam_info->hs20vendor_ie,
			     sizeof(roam_info->hs20vendor_ie));
	} else {
		hdd_sta_ctx->conn_info.conn_flag.hs20_present = false;
	}
	if (roam_info->ht_operation.present) {
		hdd_sta_ctx->conn_info.conn_flag.ht_op_present = true;
		hdd_copy_ht_operation(hdd_sta_ctx, roam_info);
	} else {
		hdd_sta_ctx->conn_info.conn_flag.ht_op_present = false;
	}
	if (roam_info->vht_operation.present) {
		hdd_sta_ctx->conn_info.conn_flag.vht_op_present = true;
		hdd_copy_vht_operation(hdd_sta_ctx, roam_info);
	} else {
		hdd_sta_ctx->conn_info.conn_flag.vht_op_present = false;
	}
}

/**
 * hdd_conn_save_connect_info() - save current connection information
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @eBssType: bss type
 *
 * Return: none
 */
static void
hdd_conn_save_connect_info(struct hdd_adapter *adapter,
			   struct csr_roam_info *roam_info,
			   eCsrRoamBssType eBssType)
{
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	eCsrEncryptionType encryptType = eCSR_ENCRYPT_TYPE_NONE;

	QDF_ASSERT(roam_info);

	if (roam_info) {
		/* Save the BSSID for the connection */
		if (eCSR_BSS_TYPE_INFRASTRUCTURE == eBssType) {
			QDF_ASSERT(roam_info->pBssDesc);
			qdf_copy_macaddr(&sta_ctx->conn_info.bssId,
					 &roam_info->bssid);

			/*
			 * Save the Station ID for this station from
			 * the 'Roam Info'. For IBSS mode, staId is
			 * assigned in NEW_PEER_IND. For reassoc,
			 * the staID doesn't change and it may be invalid
			 * in this structure so no change here.
			 */
			if (!roam_info->fReassocReq) {
				sta_ctx->conn_info.staId[0] =
					roam_info->staId;
			}
		} else if (eCSR_BSS_TYPE_IBSS == eBssType) {
			qdf_copy_macaddr(&sta_ctx->conn_info.bssId,
					 &roam_info->bssid);
		} else {
			/*
			 * can't happen. We need a valid IBSS or Infra setting
			 * in the BSSDescription or we can't function.
			 */
			QDF_ASSERT(0);
		}

		/* notify WMM */
		hdd_wmm_connect(adapter, roam_info, eBssType);

		if (!roam_info->u.pConnectedProfile) {
			QDF_ASSERT(roam_info->u.pConnectedProfile);
		} else {
			/* Get Multicast Encryption Type */
			encryptType =
			    roam_info->u.pConnectedProfile->mcEncryptionType;
			sta_ctx->conn_info.mcEncryptionType = encryptType;
			/* Get Unicast Encryption Type */
			encryptType =
				roam_info->u.pConnectedProfile->EncryptionType;
			sta_ctx->conn_info.ucEncryptionType = encryptType;

			sta_ctx->conn_info.authType =
				roam_info->u.pConnectedProfile->AuthType;
			sta_ctx->conn_info.last_auth_type =
				sta_ctx->conn_info.authType;

			sta_ctx->conn_info.operationChannel =
			    roam_info->u.pConnectedProfile->operationChannel;

			/* Save the ssid for the connection */
			qdf_mem_copy(&sta_ctx->conn_info.SSID.SSID,
				     &roam_info->u.pConnectedProfile->SSID,
				     sizeof(tSirMacSSid));
			qdf_mem_copy(&sta_ctx->conn_info.last_ssid.SSID,
				     &roam_info->u.pConnectedProfile->SSID,
				     sizeof(tSirMacSSid));

			/* Save dot11mode in which STA associated to AP */
			sta_ctx->conn_info.dot11Mode =
				roam_info->u.pConnectedProfile->dot11Mode;

			sta_ctx->conn_info.proxyARPService =
				roam_info->u.pConnectedProfile->proxyARPService;

			sta_ctx->conn_info.nss = roam_info->chan_info.nss;

			sta_ctx->conn_info.rate_flags =
				roam_info->chan_info.rate_flags;
		}
		hdd_save_bss_info(adapter, roam_info);
	}
}

/**
 * hdd_send_ft_assoc_response() - send fast transition assoc response
 * @dev: pointer to net device
 * @adapter: pointer to adapter
 * @pCsrRoamInfo: pointer to roam info
 *
 * Send the 11R key information to the supplicant. Only then can the supplicant
 * generate the PMK-R1. (BTW, the ESE supplicant also needs the Assoc Resp IEs
 * for the same purpose.)
 *
 * Mainly the Assoc Rsp IEs are passed here. For the IMDA this contains the
 * R1KHID, R0KHID and the MDID. For FT, this consists of the Reassoc Rsp FTIEs.
 * This is the Assoc Response.
 *
 * Return: none
 */
static void
hdd_send_ft_assoc_response(struct net_device *dev,
			   struct hdd_adapter *adapter,
			   struct csr_roam_info *pCsrRoamInfo)
{
	union iwreq_data wrqu;
	char *buff;
	unsigned int len = 0;
	u8 *pFTAssocRsp = NULL;

	if (pCsrRoamInfo->nAssocRspLength == 0) {
		hdd_debug("assoc rsp length is 0");
		return;
	}

	pFTAssocRsp =
		(u8 *) (pCsrRoamInfo->pbFrames + pCsrRoamInfo->nBeaconLength +
			pCsrRoamInfo->nAssocReqLength);
	if (pFTAssocRsp == NULL) {
		hdd_debug("AssocReq or AssocRsp is NULL");
		return;
	}
	/* pFTAssocRsp needs to point to the IEs */
	pFTAssocRsp += FT_ASSOC_RSP_IES_OFFSET;
	hdd_debug("AssocRsp is now at %02x%02x",
		   (unsigned int)pFTAssocRsp[0],
		   (unsigned int)pFTAssocRsp[1]);

	/* We need to send the IEs to the supplicant. */
	buff = qdf_mem_malloc(IW_GENERIC_IE_MAX);
	if (buff == NULL) {
		hdd_err("unable to allocate memory");
		return;
	}
	/* Send the Assoc Resp, the supplicant needs this for initial Auth. */
	len = pCsrRoamInfo->nAssocRspLength - FT_ASSOC_RSP_IES_OFFSET;
	wrqu.data.length = len;
	memcpy(buff, pFTAssocRsp, len);
	wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, buff);

	qdf_mem_free(buff);
}

/**
 * hdd_send_ft_event() - send fast transition event
 * @adapter: pointer to adapter
 *
 * Send the FTIEs, RIC IEs during FT. This is eventually used to send the
 * FT events to the supplicant. At the reception of Auth2 we send the RIC
 * followed by the auth response IEs to the supplicant.
 * Once both are received in the supplicant, an FT event is generated
 * to the supplicant.
 *
 * Return: none
 */
static void hdd_send_ft_event(struct hdd_adapter *adapter)
{
	uint16_t auth_resp_len = 0;
	uint32_t ric_ies_length = 0;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

#if defined(KERNEL_SUPPORT_11R_CFG80211)
	struct cfg80211_ft_event_params ftEvent;
	uint8_t ftIe[DOT11F_IE_FTINFO_MAX_LEN];
	uint8_t ricIe[DOT11F_IE_RICDESCRIPTOR_MAX_LEN];
	struct net_device *dev = adapter->dev;
#else
	char *buff;
	union iwreq_data wrqu;
	uint16_t str_len;
#endif

#if defined(KERNEL_SUPPORT_11R_CFG80211)
	qdf_mem_zero(ftIe, DOT11F_IE_FTINFO_MAX_LEN);
	qdf_mem_zero(ricIe, DOT11F_IE_RICDESCRIPTOR_MAX_LEN);

	sme_get_rici_es(hdd_ctx->hHal, adapter->session_id, (u8 *) ricIe,
			DOT11F_IE_RICDESCRIPTOR_MAX_LEN, &ric_ies_length);
	if (ric_ies_length == 0)
		hdd_warn("Do not send RIC IEs as length is 0");

	ftEvent.ric_ies = ricIe;
	ftEvent.ric_ies_len = ric_ies_length;
	hdd_debug("RIC IEs is of length %d", (int)ric_ies_length);

	sme_get_ft_pre_auth_response(hdd_ctx->hHal, adapter->session_id,
				     (u8 *) ftIe, DOT11F_IE_FTINFO_MAX_LEN,
				     &auth_resp_len);

	if (auth_resp_len == 0) {
		hdd_debug("AuthRsp FTIES is of length 0");
		return;
	}

	sme_set_ft_pre_auth_state(hdd_ctx->hHal, adapter->session_id, true);

	ftEvent.target_ap = ftIe;

	ftEvent.ies = (u8 *) (ftIe + QDF_MAC_ADDR_SIZE);
	ftEvent.ies_len = auth_resp_len - QDF_MAC_ADDR_SIZE;

	hdd_debug("ftEvent.ies_len %zu", ftEvent.ies_len);
	hdd_debug("ftEvent.ric_ies_len %zu", ftEvent.ric_ies_len);
	hdd_debug("ftEvent.target_ap %2x-%2x-%2x-%2x-%2x-%2x",
	       ftEvent.target_ap[0], ftEvent.target_ap[1],
	       ftEvent.target_ap[2], ftEvent.target_ap[3], ftEvent.target_ap[4],
	       ftEvent.target_ap[5]);

	(void)cfg80211_ft_event(dev, &ftEvent);

#else
	/* We need to send the IEs to the supplicant */
	buff = qdf_mem_malloc(IW_CUSTOM_MAX);
	if (buff == NULL) {
		hdd_err("unable to allocate memory");
		return;
	}

	/* Sme needs to send the RIC IEs first */
	str_len = strlcpy(buff, "RIC=", IW_CUSTOM_MAX);
	sme_get_rici_es(hdd_ctx->hHal, adapter->session_id,
			(u8 *) &(buff[str_len]), (IW_CUSTOM_MAX - str_len),
			&ric_ies_length);
	if (ric_ies_length == 0) {
		hdd_warn("Do not send RIC IEs as length is 0");
	} else {
		wrqu.data.length = str_len + ric_ies_length;
		wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buff);
	}

	/* Sme needs to provide the Auth Resp */
	qdf_mem_zero(buff, IW_CUSTOM_MAX);
	str_len = strlcpy(buff, "AUTH=", IW_CUSTOM_MAX);
	sme_get_ft_pre_auth_response(hdd_ctx->hHal, adapter->session_id,
				     (u8 *) &buff[str_len],
				     (IW_CUSTOM_MAX - str_len), &auth_resp_len);

	if (auth_resp_len == 0) {
		qdf_mem_free(buff);
		hdd_debug("AuthRsp FTIES is of length 0");
		return;
	}

	wrqu.data.length = str_len + auth_resp_len;
	wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buff);

	qdf_mem_free(buff);
#endif
}

#ifdef FEATURE_WLAN_ESE
/**
 * hdd_send_new_ap_channel_info() - send new ap channel info
 * @dev: pointer to net device
 * @adapter: pointer to adapter
 * @pCsrRoamInfo: pointer to roam info
 *
 * Send the ESE required "new AP Channel info" to the supplicant.
 * (This keeps the supplicant "up to date" on the current channel.)
 *
 * The current (new AP) channel information is passed in.
 *
 * Return: none
 */
static void
hdd_send_new_ap_channel_info(struct net_device *dev,
			     struct hdd_adapter *adapter,
			     struct csr_roam_info *pCsrRoamInfo)
{
	union iwreq_data wrqu;
	struct bss_description *descriptor = pCsrRoamInfo->pBssDesc;

	if (descriptor == NULL) {
		hdd_err("bss descriptor is null");
		return;
	}
	/*
	 * Send the Channel event, the supplicant needs this to generate
	 * the Adjacent AP report.
	 */
	hdd_debug("Sending up an SIOCGIWFREQ, channelId: %d",
		 descriptor->channelId);
	memset(&wrqu, '\0', sizeof(wrqu));
	wrqu.freq.m = descriptor->channelId;
	wrqu.freq.e = 0;
	wrqu.freq.i = 0;
	wireless_send_event(adapter->dev, SIOCGIWFREQ, &wrqu, NULL);
}

#endif /* FEATURE_WLAN_ESE */

/**
 * hdd_send_update_beacon_ies_event() - send update beacons ie event
 * @adapter: pointer to adapter
 * @pCsrRoamInfo: pointer to roam info
 *
 * Return: none
 */
static void
hdd_send_update_beacon_ies_event(struct hdd_adapter *adapter,
				 struct csr_roam_info *pCsrRoamInfo)
{
	union iwreq_data wrqu;
	u8 *beacon_ies;
	u8 currentLen = 0;
	char *buff;
	int totalIeLen = 0, currentOffset = 0, strLen;

	memset(&wrqu, '\0', sizeof(wrqu));

	if (0 == pCsrRoamInfo->nBeaconLength) {
		hdd_debug("beacon frame length is 0");
		return;
	}
	beacon_ies = (u8 *) (pCsrRoamInfo->pbFrames + BEACON_FRAME_IES_OFFSET);
	if (beacon_ies == NULL) {
		hdd_warn("Beacon IEs is NULL");
		return;
	}
	/* beacon_ies needs to point to the IEs */
	hdd_debug("Beacon IEs is now at %02x%02x",
		   (unsigned int)beacon_ies[0],
		   (unsigned int)beacon_ies[1]);
	hdd_debug("Beacon IEs length = %d",
		   pCsrRoamInfo->nBeaconLength - BEACON_FRAME_IES_OFFSET);

	/* We need to send the IEs to the supplicant. */
	buff = qdf_mem_malloc(IW_CUSTOM_MAX);
	if (buff == NULL) {
		hdd_err("unable to allocate memory");
		return;
	}

	strLen = strlcpy(buff, "BEACONIEs=", IW_CUSTOM_MAX);
	currentLen = strLen + 1;

	totalIeLen = pCsrRoamInfo->nBeaconLength - BEACON_FRAME_IES_OFFSET;
	do {
		/*
		 * If the beacon size exceeds max CUSTOM event size, break it
		 * into chunks of CUSTOM event max size and send it to
		 * supplicant. Changes are done in supplicant to handle this.
		 */
		qdf_mem_zero(&buff[strLen + 1], IW_CUSTOM_MAX - (strLen + 1));
		currentLen =
			QDF_MIN(totalIeLen, IW_CUSTOM_MAX - (strLen + 1) - 1);
		qdf_mem_copy(&buff[strLen + 1], beacon_ies + currentOffset,
			     currentLen);
		currentOffset += currentLen;
		totalIeLen -= currentLen;
		wrqu.data.length = strLen + 1 + currentLen;
		if (totalIeLen)
			buff[strLen] = 1; /* more chunks pending */
		else
			buff[strLen] = 0; /* last chunk */

		hdd_debug("Beacon IEs length to supplicant = %d",
			   currentLen);
		wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buff);
	} while (totalIeLen > 0);

	qdf_mem_free(buff);
}

/**
 * hdd_send_association_event() - send association event
 * @dev: pointer to net device
 * @pCsrRoamInfo: pointer to roam info
 *
 * Return: none
 */
static void hdd_send_association_event(struct net_device *dev,
				       struct csr_roam_info *pCsrRoamInfo)
{
	int ret;
	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	union iwreq_data wrqu;
	int we_event;
	char *msg;
	struct qdf_mac_addr peerMacAddr;

	/* Added to find the auth type on the fly at run time */
	/* rather than with cfg to see if FT is enabled */
	struct hdd_wext_state *pWextState =
		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
	tCsrRoamProfile *roam_profile = &(pWextState->roamProfile);

	memset(&wrqu, '\0', sizeof(wrqu));
	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
	we_event = SIOCGIWAP;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
	if (NULL != pCsrRoamInfo)
		if (pCsrRoamInfo->roamSynchInProgress) {
			/* change logging before release */
			hdd_debug("LFR3:hdd_send_association_event");
			/* Update tdls module about the disconnection event */
			hdd_notify_sta_disconnect(adapter->session_id,
						 true, false,
						 adapter->hdd_vdev);
		}
#endif
	if (eConnectionState_Associated == sta_ctx->conn_info.connState) {
		tSirSmeChanInfo chan_info = {0};

		if (!pCsrRoamInfo) {
			hdd_warn("STA in associated state but pCsrRoamInfo is null");
			return;
		}

		if (!hdd_is_roam_sync_in_progress(pCsrRoamInfo))
			policy_mgr_incr_active_session(hdd_ctx->hdd_psoc,
				adapter->device_mode, adapter->session_id);
		memcpy(wrqu.ap_addr.sa_data, pCsrRoamInfo->pBssDesc->bssId,
		       sizeof(pCsrRoamInfo->pBssDesc->bssId));

		ucfg_p2p_status_connect(adapter->hdd_vdev);

		pr_info("wlan: " MAC_ADDRESS_STR " connected to "
			MAC_ADDRESS_STR "\n",
			MAC_ADDR_ARRAY(adapter->mac_addr.bytes),
			MAC_ADDR_ARRAY(wrqu.ap_addr.sa_data));
		hdd_send_update_beacon_ies_event(adapter, pCsrRoamInfo);

		/*
		 * Send IWEVASSOCRESPIE Event if WLAN_FEATURE_CIQ_METRICS
		 * is Enabled Or Send IWEVASSOCRESPIE Event if
		 * fFTEnable is true.
		 * Send FT Keys to the supplicant when FT is enabled
		 */
		if ((roam_profile->AuthType.authType[0] ==
		     eCSR_AUTH_TYPE_FT_RSN_PSK)
		    || (roam_profile->AuthType.authType[0] ==
			eCSR_AUTH_TYPE_FT_RSN)
#ifdef FEATURE_WLAN_ESE
		    || (roam_profile->AuthType.authType[0] ==
			eCSR_AUTH_TYPE_CCKM_RSN)
		    || (roam_profile->AuthType.authType[0] ==
			eCSR_AUTH_TYPE_CCKM_WPA)
#endif
		    ) {
			hdd_send_ft_assoc_response(dev, adapter, pCsrRoamInfo);
		}
		qdf_copy_macaddr(&peerMacAddr,
				 &sta_ctx->conn_info.bssId);
		chan_info.chan_id = pCsrRoamInfo->chan_info.chan_id;
		chan_info.mhz = pCsrRoamInfo->chan_info.mhz;
		chan_info.info = pCsrRoamInfo->chan_info.info;
		chan_info.band_center_freq1 =
			pCsrRoamInfo->chan_info.band_center_freq1;
		chan_info.band_center_freq2 =
			pCsrRoamInfo->chan_info.band_center_freq2;
		chan_info.reg_info_1 =
			pCsrRoamInfo->chan_info.reg_info_1;
		chan_info.reg_info_2 =
			pCsrRoamInfo->chan_info.reg_info_2;

		ret = hdd_objmgr_add_peer_object(adapter->hdd_vdev,
						 adapter->device_mode,
						 peerMacAddr.bytes,
						 false);
		if (ret)
			hdd_err("Peer object "MAC_ADDRESS_STR" add fails!",
					MAC_ADDR_ARRAY(peerMacAddr.bytes));
		ret = hdd_objmgr_set_peer_mlme_state(adapter->hdd_vdev,
						     WLAN_ASSOC_STATE);
		if (ret)
			hdd_err("Peer object %pM fail to set associated state",
					peerMacAddr.bytes);

		/* send peer status indication to oem app */
		hdd_send_peer_status_ind_to_app(&peerMacAddr,
						ePeerConnected,
						pCsrRoamInfo->timingMeasCap,
						adapter->session_id, &chan_info,
						adapter->device_mode);
		/* Update tdls module about connection event */
		hdd_notify_sta_connect(adapter->session_id,
				       pCsrRoamInfo->tdls_chan_swit_prohibited,
				       pCsrRoamInfo->tdls_prohibited,
				       adapter->hdd_vdev);

#ifdef MSM_PLATFORM
#if defined(CONFIG_ICNSS) || defined(CONFIG_CNSS)
		/* start timer in sta/p2p_cli */
		spin_lock_bh(&hdd_ctx->bus_bw_lock);
		adapter->prev_tx_packets = adapter->stats.tx_packets;
		adapter->prev_rx_packets = adapter->stats.rx_packets;
		cdp_get_intra_bss_fwd_pkts_count(
			cds_get_context(QDF_MODULE_ID_SOC), adapter->session_id,
			&adapter->prev_fwd_tx_packets,
			&adapter->prev_fwd_rx_packets);
		spin_unlock_bh(&hdd_ctx->bus_bw_lock);
		hdd_bus_bw_compute_timer_start(hdd_ctx);
#endif
#endif
	} else if (eConnectionState_IbssConnected ==    /* IBss Associated */
			sta_ctx->conn_info.connState) {
		policy_mgr_update_connection_info(hdd_ctx->hdd_psoc,
				adapter->session_id);
		memcpy(wrqu.ap_addr.sa_data, sta_ctx->conn_info.bssId.bytes,
				ETH_ALEN);
		hdd_debug("wlan: new IBSS peer connection to BSSID " MAC_ADDRESS_STR,
			MAC_ADDR_ARRAY(sta_ctx->conn_info.bssId.bytes));
	} else {                /* Not Associated */
		hdd_debug("wlan: disconnected");
		memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN);
		policy_mgr_decr_session_set_pcl(hdd_ctx->hdd_psoc,
				adapter->device_mode, adapter->session_id);

#ifdef FEATURE_WLAN_AUTO_SHUTDOWN
		wlan_hdd_auto_shutdown_enable(hdd_ctx, true);
#endif

		if ((adapter->device_mode == QDF_STA_MODE) ||
			(adapter->device_mode == QDF_P2P_CLIENT_MODE)) {
			qdf_copy_macaddr(&peerMacAddr,
					 &sta_ctx->conn_info.bssId);

			/* send peer status indication to oem app */
			hdd_send_peer_status_ind_to_app(&peerMacAddr,
							ePeerDisconnected, 0,
							adapter->session_id,
							NULL,
							adapter->device_mode);
			ret = hdd_objmgr_remove_peer_object(adapter->hdd_vdev,
							    peerMacAddr.bytes);
			if (ret)
				hdd_err("Peer obj "MAC_ADDRESS_STR" delete fails",
					MAC_ADDR_ARRAY(peerMacAddr.bytes));
		}

		hdd_lpass_notify_disconnect(adapter);
		/* Update tdls module about the disconnection event */
		hdd_notify_sta_disconnect(adapter->session_id,
					  false,
					  false,
					  adapter->hdd_vdev);

#ifdef MSM_PLATFORM
		/* stop timer in sta/p2p_cli */
		spin_lock_bh(&hdd_ctx->bus_bw_lock);
		adapter->prev_tx_packets = 0;
		adapter->prev_rx_packets = 0;
		adapter->prev_fwd_tx_packets = 0;
		adapter->prev_fwd_rx_packets = 0;
		spin_unlock_bh(&hdd_ctx->bus_bw_lock);
		hdd_bus_bw_compute_timer_try_stop(hdd_ctx);
#endif
	}
	hdd_ipa_set_tx_flow_info();
	/* Send SCC/MCC Switching event to IPA */
	hdd_ipa_send_mcc_scc_msg(hdd_ctx, hdd_ctx->mcc_mode);

	msg = NULL;
	/* During the WLAN uninitialization,supplicant is stopped before the
	 * driver so not sending the status of the connection to supplicant
	 */
	if (cds_is_load_or_unload_in_progress()) {
		wireless_send_event(dev, we_event, &wrqu, msg);
#ifdef FEATURE_WLAN_ESE
		if (eConnectionState_Associated ==
			 sta_ctx->conn_info.connState) {
			if ((roam_profile->AuthType.authType[0] ==
			     eCSR_AUTH_TYPE_CCKM_RSN) ||
			    (roam_profile->AuthType.authType[0] ==
				eCSR_AUTH_TYPE_CCKM_WPA))
				hdd_send_new_ap_channel_info(dev, adapter,
							     pCsrRoamInfo);
		}
#endif
	}
}

/**
 * hdd_conn_remove_connect_info() - remove connection info
 * @sta_ctx: pointer to global HDD station context
 * @pCsrRoamInfo: pointer to roam info
 *
 * Return: none
 */
static void hdd_conn_remove_connect_info(struct hdd_station_ctx *sta_ctx)
{
	/* Remove staId, bssId and peerMacAddress */
	sta_ctx->conn_info.staId[0] = HDD_WLAN_INVALID_STA_ID;
	qdf_mem_zero(&sta_ctx->conn_info.bssId, QDF_MAC_ADDR_SIZE);
	qdf_mem_zero(&sta_ctx->conn_info.peerMacAddress[0],
		     QDF_MAC_ADDR_SIZE);

	/* Clear all security settings */
	sta_ctx->conn_info.authType = eCSR_AUTH_TYPE_OPEN_SYSTEM;
	sta_ctx->conn_info.mcEncryptionType = eCSR_ENCRYPT_TYPE_NONE;
	sta_ctx->conn_info.ucEncryptionType = eCSR_ENCRYPT_TYPE_NONE;

	qdf_mem_zero(&sta_ctx->conn_info.Keys, sizeof(tCsrKeys));
	qdf_mem_zero(&sta_ctx->ibss_enc_key, sizeof(tCsrRoamSetKey));

	sta_ctx->conn_info.proxyARPService = 0;

	qdf_mem_zero(&sta_ctx->conn_info.SSID, sizeof(tCsrSSIDInfo));
}

/**
 * hdd_roam_deregister_sta() - deregister station
 * @adapter: pointer to adapter
 * @staId: station identifier
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS hdd_roam_deregister_sta(struct hdd_adapter *adapter, uint8_t staid)
{
	QDF_STATUS qdf_status;
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	int ret = 0;
	struct qdf_mac_addr *peer_mac = NULL;
	struct qdf_mac_addr broadcastMacAddr =
				QDF_MAC_ADDR_BROADCAST_INITIALIZER;
	if (eConnectionState_IbssDisconnected ==
	    sta_ctx->conn_info.connState) {
		/*
		 * Do not set the carrier off when the last peer leaves.
		 * We will set the carrier off while stopping the IBSS.
		 */
	}

	qdf_status = cdp_clear_peer(cds_get_context(QDF_MODULE_ID_SOC),
			(struct cdp_pdev *)cds_get_context(QDF_MODULE_ID_TXRX),
			staid);
	if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
		hdd_err("cdp_clear_peer() failed for staid %d. Status(%d) [0x%08X]",
			staid, qdf_status, qdf_status);
	}

	if (adapter->device_mode == QDF_STA_MODE) {
		peer_mac = &sta_ctx->conn_info.bssId;
	} else if (adapter->device_mode == QDF_IBSS_MODE ||
		adapter->device_mode == QDF_NDI_MODE) {
		if (sta_ctx->broadcast_staid == staid)
			peer_mac = &broadcastMacAddr;
		else
			peer_mac =
			  hdd_wlan_get_ibss_mac_addr_from_staid(adapter, staid);
	}

	if (!peer_mac) {
		hdd_err("Coudnt find peer MAC for staid %d, delete fails",
			staid);
		return QDF_STATUS_E_FAILURE;
	}

	hdd_debug("peer_mac_addr: "MAC_ADDRESS_STR,
		  MAC_ADDR_ARRAY(peer_mac->bytes));
	ret = hdd_objmgr_remove_peer_object(adapter->hdd_vdev, peer_mac->bytes);
	if (ret) {
		hdd_err("Peer obj %pM delete fails", peer_mac);
		return QDF_STATUS_E_FAILURE;
	}
	return qdf_status;
}

/**
 * hdd_print_bss_info() - print bss info
 * @hdd_sta_ctx: pointer to hdd station context
 *
 * Return: None
 */
static void hdd_print_bss_info(struct hdd_station_ctx *hdd_sta_ctx)
{
	uint32_t *cap_info;

	hdd_debug("WIFI DATA LOGGER");
	hdd_debug("channel: %d",
		 hdd_sta_ctx->conn_info.freq);
	hdd_debug("dot11mode: %d",
		 hdd_sta_ctx->conn_info.dot11Mode);
	hdd_debug("AKM: %d",
		  hdd_sta_ctx->conn_info.last_auth_type);
	hdd_debug("ssid: %.*s",
		 hdd_sta_ctx->conn_info.last_ssid.SSID.length,
		 hdd_sta_ctx->conn_info.last_ssid.SSID.ssId);
	hdd_debug("roam count: %d",
		 hdd_sta_ctx->conn_info.roam_count);
	hdd_debug("ant_info: %d",
		 hdd_sta_ctx->conn_info.txrate.nss);
	hdd_debug("datarate legacy %d",
		 hdd_sta_ctx->conn_info.txrate.legacy);
	hdd_debug("datarate mcs: %d",
		 hdd_sta_ctx->conn_info.txrate.mcs);
	if (hdd_sta_ctx->conn_info.conn_flag.ht_present) {
		cap_info = (uint32_t *)&hdd_sta_ctx->conn_info.ht_caps;
		hdd_debug("ht caps: %x", *cap_info);
	}
	if (hdd_sta_ctx->conn_info.conn_flag.vht_present) {
		cap_info = (uint32_t *)&hdd_sta_ctx->conn_info.vht_caps;
		hdd_debug("vht caps: %x", *cap_info);
	}
	if (hdd_sta_ctx->conn_info.conn_flag.hs20_present)
		hdd_debug("hs20 info: %x",
			 hdd_sta_ctx->conn_info.hs20vendor_ie.release_num);
	hdd_debug("signal: %d",
		 hdd_sta_ctx->conn_info.signal);
	hdd_debug("noise: %d",
		 hdd_sta_ctx->conn_info.noise);
}

/**
 * hdd_dis_connect_handler() - disconnect event handler
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam identifier
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * This function handles disconnect event:
 * 1. Disable transmit queues;
 * 2. Clean up internal connection states and data structures;
 * 3. Send disconnect indication to supplicant.
 *
 * Return: QDF_STATUS enumeration
 */
static QDF_STATUS hdd_dis_connect_handler(struct hdd_adapter *adapter,
					  struct csr_roam_info *roam_info,
					  uint32_t roamId,
					  eRoamCmdStatus roamStatus,
					  eCsrRoamResult roamResult)
{
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	QDF_STATUS vstatus;
	struct net_device *dev = adapter->dev;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	uint8_t sta_id;
	bool sendDisconInd = true;

	if (dev == NULL) {
		hdd_err("net_dev is released return");
		return QDF_STATUS_E_FAILURE;
	}
	/* notify apps that we can't pass traffic anymore */
	hdd_debug("Disabling queues");
	wlan_hdd_netif_queue_control(adapter,
				     WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER,
				     WLAN_CONTROL_PATH);

	if (hdd_ipa_is_enabled(hdd_ctx))
		hdd_ipa_wlan_evt(adapter, sta_ctx->conn_info.staId[0],
				HDD_IPA_STA_DISCONNECT,
				sta_ctx->conn_info.bssId.bytes);

#ifdef FEATURE_WLAN_AUTO_SHUTDOWN
	wlan_hdd_auto_shutdown_enable(hdd_ctx, true);
#endif

	DPTRACE(qdf_dp_trace_mgmt_pkt(QDF_DP_TRACE_MGMT_PACKET_RECORD,
				adapter->session_id,
				QDF_TRACE_DEFAULT_PDEV_ID,
				QDF_PROTO_TYPE_MGMT, QDF_PROTO_MGMT_DISASSOC));

	/* HDD has initiated disconnect, do not send disconnect indication
	 * to kernel. Sending disconnected event to kernel for userspace
	 * initiated disconnect will be handled by disconnect handler call
	 * to cfg80211_disconnected.
	 */
	if ((eConnectionState_Disconnecting ==
	    sta_ctx->conn_info.connState) ||
	    (eConnectionState_NotConnected ==
	    sta_ctx->conn_info.connState)) {
		hdd_debug("HDD has initiated a disconnect, no need to send disconnect indication to kernel");
		sendDisconInd = false;
	}

	if (sta_ctx->conn_info.connState != eConnectionState_Disconnecting) {
		INIT_COMPLETION(adapter->disconnect_comp_var);
		hdd_conn_set_connection_state(adapter,
					      eConnectionState_Disconnecting);
	}

	hdd_clear_roam_profile_ie(adapter);
	hdd_wmm_init(adapter);
	hdd_debug("Invoking packetdump deregistration API");
	wlan_deregister_txrx_packetdump();

	/* indicate 'disconnect' status to wpa_supplicant... */
	hdd_send_association_event(dev, roam_info);
	/* indicate disconnected event to nl80211 */
	if (roamStatus != eCSR_ROAM_IBSS_LEAVE) {
		/*
		 * Only send indication to kernel if not initiated
		 * by kernel
		 */
		if (sendDisconInd) {
			/*
			 * To avoid wpa_supplicant sending "HANGED" CMD
			 * to ICS UI.
			 */
			if (eCSR_ROAM_LOSTLINK == roamStatus) {
				if (roam_info->reasonCode ==
				    eSIR_MAC_PEER_STA_REQ_LEAVING_BSS_REASON)
					pr_info("wlan: disconnected due to poor signal, rssi is %d dB\n",
						roam_info->rxRssi);
				wlan_hdd_cfg80211_indicate_disconnect(
							dev, false,
							roam_info->reasonCode);
			} else {
				wlan_hdd_cfg80211_indicate_disconnect(
							dev, false,
							WLAN_REASON_UNSPECIFIED
							);
			}

			hdd_debug("sent disconnected event to nl80211, reason code %d",
				(eCSR_ROAM_LOSTLINK == roamStatus) ?
				roam_info->reasonCode :
				WLAN_REASON_UNSPECIFIED);
		}

		/* update P2P connection status */
		ucfg_p2p_status_disconnect(adapter->hdd_vdev);
	}

	hdd_wmm_adapter_clear(adapter);
	sme_ft_reset(WLAN_HDD_GET_HAL_CTX(adapter), adapter->session_id);
	if (hdd_remove_beacon_filter(adapter) != 0)
		hdd_err("hdd_remove_beacon_filter() failed");

	if (eCSR_ROAM_IBSS_LEAVE == roamStatus) {
		uint8_t i;

		sta_id = sta_ctx->broadcast_staid;
		vstatus = hdd_roam_deregister_sta(adapter, sta_id);
		if (!QDF_IS_STATUS_SUCCESS(vstatus)) {
			hdd_err("hdd_roam_deregister_sta() failed for staID %d Status: %d [0x%x]",
					sta_id, status, status);
			status = QDF_STATUS_E_FAILURE;
		}
		if (sta_id < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[sta_id] = NULL;
		else
			hdd_debug("invalid sta id %d", sta_id);
		/* Clear all the peer sta register with TL. */
		for (i = 0; i < MAX_PEERS; i++) {
			if (HDD_WLAN_INVALID_STA_ID ==
				sta_ctx->conn_info.staId[i])
				continue;
			sta_id = sta_ctx->conn_info.staId[i];
			hdd_debug("Deregister StaID %d", sta_id);
			vstatus = hdd_roam_deregister_sta(adapter, sta_id);
			if (!QDF_IS_STATUS_SUCCESS(vstatus)) {
				hdd_err("hdd_roam_deregister_sta() failed to for staID %d Status: %d [0x%x]",
					sta_id, status, status);
				status = QDF_STATUS_E_FAILURE;
			}
			/* set the staid and peer mac as 0, all other
			 * reset are done in hdd_connRemoveConnectInfo.
			 */
			sta_ctx->conn_info.staId[i] =
						HDD_WLAN_INVALID_STA_ID;
			qdf_mem_zero(&sta_ctx->conn_info.peerMacAddress[i],
				sizeof(struct qdf_mac_addr));
			if (sta_id < HDD_MAX_ADAPTERS)
				hdd_ctx->sta_to_adapter[sta_id] = NULL;
			else
				hdd_debug("invalid sta_id %d", sta_id);
		}
	} else {
		sta_id = sta_ctx->conn_info.staId[0];
		hdd_debug("roamResult: %d", roamResult);

		/* clear scan cache for Link Lost */
		if (eCSR_ROAM_RESULT_DEAUTH_IND == roamResult ||
		    eCSR_ROAM_RESULT_DISASSOC_IND == roamResult ||
		    eCSR_ROAM_LOSTLINK == roamStatus) {
			wlan_hdd_cfg80211_update_bss_list(adapter,
				sta_ctx->conn_info.bssId.bytes);
			sme_remove_bssid_from_scan_list(hdd_ctx->hHal,
			sta_ctx->conn_info.bssId.bytes);
		}
		if (sta_id < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[sta_id] = NULL;
		else
			hdd_debug("invalid sta_id %d", sta_id);
	}
	/* Clear saved connection information in HDD */
	hdd_conn_remove_connect_info(sta_ctx);
	hdd_conn_set_connection_state(adapter, eConnectionState_NotConnected);
	pmo_ucfg_flush_gtk_offload_req(adapter->hdd_vdev);

	if ((QDF_STA_MODE == adapter->device_mode) ||
			(QDF_P2P_CLIENT_MODE == adapter->device_mode)) {
		sme_ps_disable_auto_ps_timer(WLAN_HDD_GET_HAL_CTX
				(adapter),
				adapter->session_id);
	}
	wlan_hdd_clear_link_layer_stats(adapter);

	adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0;

	/* Unblock anyone waiting for disconnect to complete */
	complete(&adapter->disconnect_comp_var);

	hdd_reset_limit_off_chan(adapter);

	hdd_print_bss_info(sta_ctx);
	return status;
}

/**
 * hdd_set_peer_authorized_event() - set peer_authorized_event
 * @vdev_id: vdevid
 *
 * Return: None
 */
static void hdd_set_peer_authorized_event(uint32_t vdev_id)
{
	struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD);
	struct hdd_adapter *adapter = NULL;

	adapter = hdd_get_adapter_by_vdev(hdd_ctx, vdev_id);
	if (adapter == NULL) {
		hdd_err("Invalid vdev_id");
		return;
	}
	complete(&adapter->sta_authorized_event);
}

/**
 * hdd_change_peer_state() - change peer state
 * @adapter: HDD adapter
 * @sta_state: peer state
 * @roam_synch_in_progress: roam synch in progress
 *
 * Return: QDF status
 */
QDF_STATUS hdd_change_peer_state(struct hdd_adapter *adapter,
				 uint8_t sta_id,
				 enum ol_txrx_peer_state sta_state,
				 bool roam_synch_in_progress)
{
	QDF_STATUS err;
	uint8_t *peer_mac_addr;
	void *pdev = cds_get_context(QDF_MODULE_ID_TXRX);
	void *soc = cds_get_context(QDF_MODULE_ID_SOC);
	void *peer;

	if (!pdev) {
		hdd_err("Failed to get txrx context");
		return QDF_STATUS_E_FAULT;
	}

	if (sta_id >= WLAN_MAX_STA_COUNT) {
		hdd_err("Invalid sta id: %d", sta_id);
		return QDF_STATUS_E_INVAL;
	}

	peer = cdp_peer_find_by_local_id(soc,
			(struct cdp_pdev *)pdev, sta_id);
	if (!peer)
		return QDF_STATUS_E_FAULT;

	peer_mac_addr = cdp_peer_get_peer_mac_addr(soc, peer);
	if (peer_mac_addr == NULL) {
		hdd_err("peer mac addr is NULL");
		return QDF_STATUS_E_FAULT;
	}

	err = cdp_peer_state_update(soc, pdev, peer_mac_addr, sta_state);
	if (err != QDF_STATUS_SUCCESS) {
		hdd_err("peer state update failed");
		return QDF_STATUS_E_FAULT;
	}
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
	if (roam_synch_in_progress)
		return QDF_STATUS_SUCCESS;
#endif

	if (sta_state == OL_TXRX_PEER_STATE_AUTH) {
#ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL
		/* make sure event is reset */
		INIT_COMPLETION(adapter->sta_authorized_event);
#endif

		err = sme_set_peer_authorized(peer_mac_addr,
				hdd_set_peer_authorized_event,
				adapter->session_id);
		if (err != QDF_STATUS_SUCCESS) {
			hdd_err("Failed to set the peer state to authorized");
			return QDF_STATUS_E_FAULT;
		}

		if (adapter->device_mode == QDF_STA_MODE ||
		    adapter->device_mode == QDF_P2P_CLIENT_MODE) {
#if defined(QCA_LL_LEGACY_TX_FLOW_CONTROL) || defined(QCA_LL_TX_FLOW_CONTROL_V2)
			void *vdev;
			unsigned long rc;

			/* wait for event from firmware to set the event */
			rc = wait_for_completion_timeout(
				&adapter->sta_authorized_event,
				msecs_to_jiffies(HDD_PEER_AUTHORIZE_WAIT));
			if (!rc)
				hdd_debug("timeout waiting for sta_authorized_event");

			vdev = (void *)cdp_peer_get_vdev(soc, peer);
			cdp_fc_vdev_unpause(soc, (struct cdp_vdev *)vdev,
					OL_TXQ_PAUSE_REASON_PEER_UNAUTHORIZED);
#endif
		}
	}
	return QDF_STATUS_SUCCESS;
}

/**
 * hdd_update_dp_vdev_flags() - update datapath vdev flags
 * @cbk_data: callback data
 * @sta_id: station id
 * @vdev_param: vdev parameter
 * @is_link_up: link state up or down
 *
 * Return: QDF status
 */
QDF_STATUS hdd_update_dp_vdev_flags(void *cbk_data,
				    uint8_t sta_id,
				    uint32_t vdev_param,
				    bool is_link_up)
{
	struct cdp_vdev *data_vdev;
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	void *soc = cds_get_context(QDF_MODULE_ID_SOC);
	struct hdd_context *hdd_ctx;
	void *pdev = cds_get_context(QDF_MODULE_ID_TXRX);
	struct wlan_objmgr_psoc **psoc;

	if (!cbk_data)
		return status;

	psoc = cbk_data;

	hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD);
	if (!hdd_ctx->tdls_nap_active)
		return status;

	data_vdev = cdp_peer_get_vdev_by_sta_id(soc, pdev, sta_id);
	if (NULL == data_vdev) {
		status = QDF_STATUS_E_FAILURE;
		return status;
	}

	cdp_txrx_set_vdev_param(soc, data_vdev, vdev_param, is_link_up);

	return status;
}

/**
 * hdd_roam_register_sta() - register station
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @staId: station identifier
 * @pPeerMacAddress: peer MAC address
 * @pBssDesc: pointer to BSS description
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS hdd_roam_register_sta(struct hdd_adapter *adapter,
					struct csr_roam_info *roam_info,
					uint8_t staId,
					struct qdf_mac_addr *pPeerMacAddress,
					struct bss_description *pBssDesc)
{
	QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
	struct ol_txrx_desc_type staDesc = { 0 };
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	struct ol_txrx_ops txrx_ops;
	void *soc = cds_get_context(QDF_MODULE_ID_SOC);
	void *pdev = cds_get_context(QDF_MODULE_ID_TXRX);

	if (NULL == pBssDesc)
		return QDF_STATUS_E_FAILURE;

	/* Get the Station ID from the one saved during the association */
	staDesc.sta_id = staId;

	/* set the QoS field appropriately */
	if (hdd_wmm_is_active(adapter))
		staDesc.is_qos_enabled = 1;
	else
		staDesc.is_qos_enabled = 0;

#ifdef FEATURE_WLAN_WAPI
	hdd_debug("WAPI STA Registered: %d",
		   adapter->wapi_info.is_wapi_sta);
	if (adapter->wapi_info.is_wapi_sta)
		staDesc.is_wapi_supported = 1;
	else
		staDesc.is_wapi_supported = 0;
#endif /* FEATURE_WLAN_WAPI */

	/* Register the vdev transmit and receive functions */
	qdf_mem_zero(&txrx_ops, sizeof(txrx_ops));
	txrx_ops.rx.rx = hdd_rx_packet_cbk;

	adapter->txrx_vdev = (void *)cdp_get_vdev_from_vdev_id(soc,
				(struct cdp_pdev *)pdev,
				adapter->session_id);
	if (!adapter->txrx_vdev) {
		hdd_err("%s find vdev fail", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	txrx_ops.tx.tx = NULL;
	cdp_vdev_register(soc,
		(struct cdp_vdev *)adapter->txrx_vdev, adapter, &txrx_ops);
	if (!txrx_ops.tx.tx) {
		hdd_err("%s vdev register fail", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	adapter->tx_fn = txrx_ops.tx.tx;
	qdf_status = cdp_peer_register(soc,
			(struct cdp_pdev *)pdev, &staDesc);
	if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
		hdd_err("cdp_peer_register() failed Status: %d [0x%08X]",
			 qdf_status, qdf_status);
		return qdf_status;
	}

	if (!roam_info->fAuthRequired) {
		/*
		 * Connections that do not need Upper layer auth, transition
		 * TLSHIM directly to 'Authenticated' state
		 */
		qdf_status =
			hdd_change_peer_state(adapter, staDesc.sta_id,
						OL_TXRX_PEER_STATE_AUTH,
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
						roam_info->roamSynchInProgress
#else
						false
#endif
						);

		hdd_conn_set_authenticated(adapter, true);
		hdd_objmgr_set_peer_mlme_auth_state(adapter->hdd_vdev, true);
	} else {
		hdd_debug("ULA auth StaId= %d. Changing TL state to CONNECTED at Join time",
			 sta_ctx->conn_info.staId[0]);
		qdf_status =
			hdd_change_peer_state(adapter, staDesc.sta_id,
						OL_TXRX_PEER_STATE_CONN,
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
						roam_info->roamSynchInProgress
#else
						false
#endif
						);
		hdd_conn_set_authenticated(adapter, false);
		hdd_objmgr_set_peer_mlme_auth_state(adapter->hdd_vdev, false);
	}
	return qdf_status;
}

/**
 * hdd_send_roamed_ind() - send roamed indication to cfg80211
 * @dev: network device
 * @bss: cfg80211 roamed bss pointer
 * @req_ie: IEs used in reassociation request
 * @req_ie_len: Length of the @req_ie
 * @resp_ie: IEs received in successful reassociation response
 * @resp_ie_len: Length of @resp_ie
 *
 * Return: none
 */
#if defined CFG80211_ROAMED_API_UNIFIED || \
	(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
static void hdd_send_roamed_ind(struct net_device *dev,
				struct cfg80211_bss *bss, const uint8_t *req_ie,
				size_t req_ie_len, const uint8_t *resp_ie,
				size_t resp_ie_len)
{
	struct cfg80211_roam_info info = {0};

	info.bss = bss;
	info.req_ie = req_ie;
	info.req_ie_len = req_ie_len;
	info.resp_ie = resp_ie;
	info.resp_ie_len = resp_ie_len;
	cfg80211_roamed(dev, &info, GFP_KERNEL);
}
#else
static inline void hdd_send_roamed_ind(struct net_device *dev,
				       struct cfg80211_bss *bss,
				       const uint8_t *req_ie, size_t req_ie_len,
				       const uint8_t *resp_ie,
				       size_t resp_ie_len)
{
	cfg80211_roamed_bss(dev, bss, req_ie, req_ie_len, resp_ie, resp_ie_len,
			    GFP_KERNEL);
}
#endif

#if defined(WLAN_FEATURE_ROAM_OFFLOAD)
#if defined(WLAN_FEATURE_FILS_SK)
void hdd_save_gtk_params(struct hdd_adapter *adapter,
			 struct csr_roam_info *csr_roam_info, bool is_reassoc)
{
	uint8_t *kek;
	uint32_t kek_len;

	if (is_reassoc) {
		kek = csr_roam_info->kek;
		kek_len = csr_roam_info->kek_len;
	} else {
		/*
		 * This should come for FILS case only.
		 * Caller should make sure fils_join_rsp is
		 * not NULL, if there is need to use else where.
		 */
		kek = csr_roam_info->fils_join_rsp->kek;
		kek_len = csr_roam_info->fils_join_rsp->kek_len;
	}

	wlan_hdd_save_gtk_offload_params(adapter, NULL, kek, kek_len,
					 csr_roam_info->replay_ctr, true);

	hdd_debug("Kek len %d", kek_len);
}
#else
void hdd_save_gtk_params(struct hdd_adapter *adapter,
			 struct csr_roam_info *csr_roam_info, bool is_reassoc)
{
	uint8_t *kek;
	uint32_t kek_len;

	/*
	 * is_reassoc is set to true always for Legacy GTK offload
	 * case, It is false only for FILS case
	 */
	kek = csr_roam_info->kek;
	kek_len = csr_roam_info->kek_len;

	wlan_hdd_save_gtk_offload_params(adapter, NULL, kek, kek_len,
					 csr_roam_info->replay_ctr, true);

	hdd_debug("Kek len %d", kek_len);
}
#endif
#endif
/**
 * hdd_send_re_assoc_event() - send reassoc event
 * @dev: pointer to net device
 * @adapter: pointer to adapter
 * @pCsrRoamInfo: pointer to roam info
 * @reqRsnIe: pointer to RSN Information element
 * @reqRsnLength: length of RSN IE
 *
 * Return: none
 */
static void hdd_send_re_assoc_event(struct net_device *dev,
	struct hdd_adapter *adapter, struct csr_roam_info *pCsrRoamInfo,
	uint8_t *reqRsnIe, uint32_t reqRsnLength)
{
	unsigned int len = 0;
	u8 *pFTAssocRsp = NULL;
	uint8_t *rspRsnIe = qdf_mem_malloc(IW_GENERIC_IE_MAX);
	uint8_t *assoc_req_ies = qdf_mem_malloc(IW_GENERIC_IE_MAX);
	uint32_t rspRsnLength = 0;
	struct ieee80211_channel *chan;
	uint8_t buf_ssid_ie[2 + SIR_MAC_SSID_EID_MAX]; /* 2 bytes-EID and len */
	uint8_t *buf_ptr, ssid_ie_len;
	struct cfg80211_bss *bss = NULL;
	uint8_t *final_req_ie = NULL;
	tCsrRoamConnectedProfile roam_profile;
	tHalHandle hal_handle = WLAN_HDD_GET_HAL_CTX(adapter);
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
	int chan_no;
	int freq;

	qdf_mem_zero(&roam_profile, sizeof(roam_profile));

	if (!rspRsnIe) {
		hdd_err("Unable to allocate RSN IE");
		goto done;
	}

	if (!assoc_req_ies) {
		hdd_err("Unable to allocate Assoc Req IE");
		goto done;
	}
	if (pCsrRoamInfo == NULL) {
		hdd_err("Invalid CSR roam info");
		goto done;
	}

	if (pCsrRoamInfo->nAssocRspLength == 0) {
		hdd_err("Assoc rsp length is 0");
		goto done;
	}

	pFTAssocRsp =
		(u8 *) (pCsrRoamInfo->pbFrames + pCsrRoamInfo->nBeaconLength +
			pCsrRoamInfo->nAssocReqLength);
	if (pFTAssocRsp == NULL)
		goto done;

	/* pFTAssocRsp needs to point to the IEs */
	pFTAssocRsp += FT_ASSOC_RSP_IES_OFFSET;
	hdd_debug("AssocRsp is now at %02x%02x",
		 (unsigned int)pFTAssocRsp[0], (unsigned int)pFTAssocRsp[1]);

	/*
	 * Active session count is decremented upon disconnection, but during
	 * roaming, there is no disconnect indication and hence active session
	 * count is not decremented.
	 * After roaming is completed, active session count is incremented
	 * as a part of connect indication but effectively after roaming the
	 * active session count should still be the same and hence upon
	 * successful reassoc decrement the active session count here.
	 */
	if (!hdd_is_roam_sync_in_progress(pCsrRoamInfo))
		policy_mgr_decr_session_set_pcl(hdd_ctx->hdd_psoc,
				adapter->device_mode, adapter->session_id);

	/* Send the Assoc Resp, the supplicant needs this for initial Auth */
	len = pCsrRoamInfo->nAssocRspLength - FT_ASSOC_RSP_IES_OFFSET;
	rspRsnLength = len;
	qdf_mem_copy(rspRsnIe, pFTAssocRsp, len);
	qdf_mem_zero(rspRsnIe + len, IW_GENERIC_IE_MAX - len);

	chan_no = pCsrRoamInfo->pBssDesc->channelId;
	if (chan_no <= 14)
		freq = ieee80211_channel_to_frequency(chan_no,
							NL80211_BAND_2GHZ);
	else
		freq = ieee80211_channel_to_frequency(chan_no,
							NL80211_BAND_5GHZ);
	chan = ieee80211_get_channel(adapter->wdev.wiphy, freq);

	sme_roam_get_connect_profile(hal_handle, adapter->session_id,
		&roam_profile);

	bss = hdd_cfg80211_get_bss(adapter->wdev.wiphy,
			chan, pCsrRoamInfo->bssid.bytes,
			&roam_profile.SSID.ssId[0],
			roam_profile.SSID.length);

	if (bss == NULL)
		hdd_warn("Get BSS returned NULL");
	buf_ptr = buf_ssid_ie;
	*buf_ptr = SIR_MAC_SSID_EID;
	buf_ptr++;
	*buf_ptr = roam_profile.SSID.length; /*len of ssid*/
	buf_ptr++;
	qdf_mem_copy(buf_ptr, &roam_profile.SSID.ssId[0],
			roam_profile.SSID.length);
	ssid_ie_len = 2 + roam_profile.SSID.length;
	hdd_debug("SSIDIE:");
	QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_DEBUG,
			   buf_ssid_ie, ssid_ie_len);
	final_req_ie = qdf_mem_malloc(IW_GENERIC_IE_MAX);
	if (final_req_ie == NULL) {
		if (bss)
			cfg80211_put_bss(adapter->wdev.wiphy, bss);
		goto done;
	}
	buf_ptr = final_req_ie;
	qdf_mem_copy(buf_ptr, buf_ssid_ie, ssid_ie_len);
	buf_ptr += ssid_ie_len;
	qdf_mem_copy(buf_ptr, reqRsnIe, reqRsnLength);
	qdf_mem_copy(rspRsnIe, pFTAssocRsp, len);
	qdf_mem_zero(final_req_ie + (ssid_ie_len + reqRsnLength),
		IW_GENERIC_IE_MAX - (ssid_ie_len + reqRsnLength));
	hdd_debug("Req RSN IE:");
	QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_DEBUG,
			   final_req_ie, (ssid_ie_len + reqRsnLength));
	hdd_send_roamed_ind(dev, bss, final_req_ie,
			    (ssid_ie_len + reqRsnLength), rspRsnIe,
			    rspRsnLength);

	qdf_mem_copy(assoc_req_ies,
		(u8 *)pCsrRoamInfo->pbFrames + pCsrRoamInfo->nBeaconLength,
		pCsrRoamInfo->nAssocReqLength);

	hdd_save_gtk_params(adapter, pCsrRoamInfo, true);

	hdd_debug("ReAssoc Req IE dump");
	QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_DEBUG,
		assoc_req_ies, pCsrRoamInfo->nAssocReqLength);

	wlan_hdd_send_roam_auth_event(adapter, pCsrRoamInfo->bssid.bytes,
			assoc_req_ies, pCsrRoamInfo->nAssocReqLength,
			rspRsnIe, rspRsnLength,
			pCsrRoamInfo);

	hdd_update_hlp_info(dev, pCsrRoamInfo);

done:
	sme_roam_free_connect_profile(&roam_profile);
	if (final_req_ie)
		qdf_mem_free(final_req_ie);
	qdf_mem_free(rspRsnIe);
	qdf_mem_free(assoc_req_ies);
}

/**
 * hdd_is_roam_sync_in_progress()- Check if roam offloaded
 * @roaminfo - Roaming Information
 *
 * Return: roam sync status if roaming offloaded else false
 */
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
bool hdd_is_roam_sync_in_progress(struct csr_roam_info *roaminfo)
{
	if (roaminfo)
		return roaminfo->roamSynchInProgress;
	else
		return false;
}
#endif

/**
 * hdd_get_ibss_peer_staid() - get sta id for IBSS peer
 * @hddstactx: pointer to HDD sta context
 * @roaminfo: pointer to roaminfo structure
 *
 * This function returns staid for IBSS peer. If peer is broadcast
 * MAC address return self staid(0) else find the peer sta id of
 * the peer.
 *
 * Return: sta_id (HDD_WLAN_INVALID_STA_ID if peer not found).
 */
static uint8_t hdd_get_ibss_peer_staid(struct hdd_station_ctx *hddstactx,
				       struct csr_roam_info *roaminfo)
{
	uint8_t staid = HDD_WLAN_INVALID_STA_ID;
	QDF_STATUS status;

	if (qdf_is_macaddr_broadcast(&roaminfo->peerMac)) {
		staid = 0;
	} else {
		status = hdd_get_peer_sta_id(hddstactx,
				&roaminfo->peerMac, &staid);
		if (status != QDF_STATUS_SUCCESS) {
			hdd_err("Unable to find staid for " MAC_ADDRESS_STR,
			    MAC_ADDR_ARRAY(roaminfo->peerMac.bytes));
		}
	}

	return staid;
}

/**
 * hdd_change_sta_state_authenticated()-
 * This function changes STA state to authenticated
 * @adapter:  pointer to the adapter structure.
 * @roaminfo: pointer to the RoamInfo structure.
 *
 * This is called from hdd_RoamSetKeyCompleteHandler
 * in context to eCSR_ROAM_SET_KEY_COMPLETE event from fw.
 *
 * Return: 0 on success and errno on failure
 */
static int hdd_change_sta_state_authenticated(struct hdd_adapter *adapter,
						 struct csr_roam_info *roaminfo)
{
	QDF_STATUS status;
	uint32_t timeout;
	uint8_t staid = HDD_WLAN_INVALID_STA_ID;
	struct hdd_station_ctx *hddstactx =
		WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	timeout = hddstactx->hdd_reassoc_scenario ?
		AUTO_PS_ENTRY_TIMER_DEFAULT_VALUE :
		hdd_ctx->config->auto_bmps_timer_val * 1000;

	if (QDF_IBSS_MODE == adapter->device_mode)
		staid = hdd_get_ibss_peer_staid(hddstactx, roaminfo);
	else
		staid = hddstactx->conn_info.staId[0];

	hdd_debug("Changing Peer state to AUTHENTICATED for StaId = %d", staid);

	/* Connections that do not need Upper layer authentication,
	 * transition TL to 'Authenticated' state after the keys are set
	 */
	status = hdd_change_peer_state(adapter, staid, OL_TXRX_PEER_STATE_AUTH,
			hdd_is_roam_sync_in_progress(roaminfo));
	hdd_conn_set_authenticated(adapter, true);
	hdd_objmgr_set_peer_mlme_auth_state(adapter->hdd_vdev, true);

	if ((QDF_STA_MODE == adapter->device_mode) ||
		(QDF_P2P_CLIENT_MODE == adapter->device_mode)) {
		sme_ps_enable_auto_ps_timer(
			WLAN_HDD_GET_HAL_CTX(adapter),
			adapter->session_id,
			timeout);
	}

	return qdf_status_to_os_return(status);
}

/**
 * hdd_is_key_install_required_for_ibss() - check encryption type to identify
 *                                          if key installation is required
 * @encr_type: encryption type
 *
 * Return: true if key installation is required and false otherwise.
 */
static inline bool hdd_is_key_install_required_for_ibss(
				eCsrEncryptionType encr_type)
{
	if (eCSR_ENCRYPT_TYPE_WEP40_STATICKEY == encr_type ||
	    eCSR_ENCRYPT_TYPE_WEP104_STATICKEY == encr_type ||
	    eCSR_ENCRYPT_TYPE_TKIP == encr_type ||
	    eCSR_ENCRYPT_TYPE_AES_GCMP == encr_type ||
	    eCSR_ENCRYPT_TYPE_AES_GCMP_256 == encr_type ||
	    eCSR_ENCRYPT_TYPE_AES == encr_type)
		return true;
	else
		return false;
}

/**
 * hdd_change_peer_state_after_set_key() - change the peer state on set key
 *                                         complete
 * @adapter: pointer to HDD adapter
 * @roaminfo: pointer to roam info
 * @roam_result: roam result
 *
 * Peer state will be OL_TXRX_PEER_STATE_CONN until set key is complete.
 * This function checks for the successful set key completion and update
 * the peer state to OL_TXRX_PEER_STATE_AUTH.
 *
 * Return: None
 */
static void hdd_change_peer_state_after_set_key(struct hdd_adapter *adapter,
						struct csr_roam_info *roaminfo,
						eCsrRoamResult roam_result)
{
	struct hdd_station_ctx *hdd_sta_ctx =
		WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	eCsrEncryptionType encr_type = hdd_sta_ctx->conn_info.ucEncryptionType;

	/*
	 * If the security mode is one of the following, IBSS peer will be
	 * waiting in CONN state and we will move the peer state to AUTH
	 * here. For non-secure connection, no need to wait for set-key complete
	 * peer will be moved to AUTH in hdd_roam_register_sta.
	 */
	if (QDF_IBSS_MODE == adapter->device_mode) {
		if (hdd_is_key_install_required_for_ibss(encr_type))
			hdd_change_sta_state_authenticated(adapter, roaminfo);

		return;
	}

	if (eCSR_ROAM_RESULT_AUTHENTICATED == roam_result) {
		hdd_sta_ctx->conn_info.gtk_installed = true;
		/*
		 * PTK exchange happens in preauthentication itself if key_mgmt
		 * is FT-PSK, ptk_installed was false as there is no set PTK
		 * after roaming. STA TL state moves to authenticated only if
		 * ptk_installed is true. So, make ptk_installed to true in
		 * case of 11R roaming.
		 */
		if (sme_neighbor_roam_is11r_assoc(WLAN_HDD_GET_HAL_CTX(adapter),
						  adapter->session_id))
			hdd_sta_ctx->conn_info.ptk_installed = true;
	} else {
		hdd_sta_ctx->conn_info.ptk_installed = true;
	}

	/* In WPA case move STA to authenticated when ptk is installed. Earlier
	 * in WEP case STA was moved to AUTHENTICATED prior to setting the
	 * unicast key and it was resulting in sending few un-encrypted packet.
	 * Now in WEP case STA state will be moved to AUTHENTICATED after we
	 * set the unicast and broadcast key.
	 */
	if ((encr_type == eCSR_ENCRYPT_TYPE_WEP40) ||
	    (encr_type == eCSR_ENCRYPT_TYPE_WEP104) ||
	    (encr_type == eCSR_ENCRYPT_TYPE_WEP40_STATICKEY) ||
	    (encr_type == eCSR_ENCRYPT_TYPE_WEP104_STATICKEY)) {
		if (hdd_sta_ctx->conn_info.gtk_installed &&
		    hdd_sta_ctx->conn_info.ptk_installed)
			hdd_change_sta_state_authenticated(adapter, roaminfo);
	} else if (hdd_sta_ctx->conn_info.ptk_installed) {
		hdd_change_sta_state_authenticated(adapter, roaminfo);
	}

	if (hdd_sta_ctx->conn_info.gtk_installed &&
		hdd_sta_ctx->conn_info.ptk_installed) {
		hdd_sta_ctx->conn_info.gtk_installed = false;
		hdd_sta_ctx->conn_info.ptk_installed = false;
	}
}

/**
 * hdd_roam_set_key_complete_handler() - Update the security parameters
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * Return: QDF_STATUS enumeration
 */
static QDF_STATUS
hdd_roam_set_key_complete_handler(struct hdd_adapter *adapter,
				  struct csr_roam_info *roam_info,
				  uint32_t roamId,
				  eRoamCmdStatus roamStatus,
				  eCsrRoamResult roamResult)
{
	eCsrEncryptionType connectedCipherAlgo;
	bool fConnected = false;
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	ENTER();

	if (NULL == roam_info) {
		hdd_err("roam_info is NULL");
		return QDF_STATUS_E_FAILURE;
	}
	/*
	 * if (WPA), tell TL to go to 'authenticated' after the keys are set.
	 * then go to 'authenticated'.  For all other authentication types
	 * (those that do not require upper layer authentication) we can put TL
	 * directly into 'authenticated' state.
	 */
	hdd_debug("Set Key completion roamStatus =%d roamResult=%d "
		  MAC_ADDRESS_STR, roamStatus, roamResult,
		  MAC_ADDR_ARRAY(roam_info->peerMac.bytes));

	fConnected = hdd_conn_get_connected_cipher_algo(sta_ctx,
						   &connectedCipherAlgo);
	if (fConnected) {
		hdd_change_peer_state_after_set_key(adapter, roam_info,
						    roamResult);
	}

	EXIT();
	return QDF_STATUS_SUCCESS;
}

/**
 * hdd_perform_roam_set_key_complete() - perform set key complete
 * @adapter: pointer to adapter
 *
 * Return: none
 */
void hdd_perform_roam_set_key_complete(struct hdd_adapter *adapter)
{
	QDF_STATUS qdf_ret_status = QDF_STATUS_SUCCESS;
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	struct csr_roam_info roamInfo;

	roamInfo.fAuthRequired = false;
	qdf_mem_copy(roamInfo.bssid.bytes,
		     sta_ctx->roam_info.bssid, QDF_MAC_ADDR_SIZE);
	qdf_mem_copy(roamInfo.peerMac.bytes,
		     sta_ctx->roam_info.peer_mac, QDF_MAC_ADDR_SIZE);

	qdf_ret_status =
			hdd_roam_set_key_complete_handler(adapter,
					   &roamInfo,
					   sta_ctx->roam_info.roam_id,
					   sta_ctx->roam_info.roam_status,
					   eCSR_ROAM_RESULT_AUTHENTICATED);
	if (qdf_ret_status != QDF_STATUS_SUCCESS)
		hdd_err("Set Key complete failure");

	sta_ctx->roam_info.defer_key_complete = false;
}

#if defined(WLAN_FEATURE_FILS_SK) && \
	(defined(CFG80211_FILS_SK_OFFLOAD_SUPPORT) || \
		 (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)))
void hdd_clear_fils_connection_info(struct hdd_adapter *adapter)
{
	struct hdd_wext_state *wext_state;

	if ((adapter->device_mode == QDF_SAP_MODE) ||
	    (adapter->device_mode == QDF_P2P_GO_MODE))
		return;

	wext_state = WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
	if (wext_state->roamProfile.fils_con_info) {
		qdf_mem_free(wext_state->roamProfile.fils_con_info);
		wext_state->roamProfile.fils_con_info = NULL;
	}

	if (wext_state->roamProfile.hlp_ie) {
		qdf_mem_free(wext_state->roamProfile.hlp_ie);
		wext_state->roamProfile.hlp_ie = NULL;
		wext_state->roamProfile.hlp_ie_len = 0;
	}
}
#endif

/**
 * hdd_association_completion_handler() - association completion handler
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * Return: QDF_STATUS enumeration
 */
static QDF_STATUS
hdd_association_completion_handler(struct hdd_adapter *adapter,
				   struct csr_roam_info *roam_info,
				   uint32_t roamId,
				   eRoamCmdStatus roamStatus,
				   eCsrRoamResult roamResult)
{
	struct net_device *dev = adapter->dev;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
	uint8_t reqRsnIe[DOT11F_IE_RSN_MAX_LEN];
	uint32_t reqRsnLength = DOT11F_IE_RSN_MAX_LEN, ie_len;
	int ft_carrier_on = false;
	bool hddDisconInProgress = false;
	unsigned long rc;
	tSirResultCodes timeout_reason = 0;
	bool ok;

	if (!hdd_ctx) {
		hdd_err("HDD context is NULL");
		return QDF_STATUS_E_FAILURE;
	}

	/* validate config */
	if (!hdd_ctx->config) {
		hdd_err("config is NULL");
		return QDF_STATUS_E_NULL_VALUE;
	}
	/* HDD has initiated disconnect, do not send connect result indication
	 * to kernel as it will be handled by __cfg80211_disconnect.
	 */
	if (((eConnectionState_Disconnecting ==
	    sta_ctx->conn_info.connState) ||
	    (eConnectionState_NotConnected ==
	    sta_ctx->conn_info.connState)) &&
	    ((eCSR_ROAM_RESULT_ASSOCIATED == roamResult) ||
	    (eCSR_ROAM_ASSOCIATION_FAILURE == roamStatus))) {
		hdd_info("hddDisconInProgress state=%d, result=%d, status=%d",
				sta_ctx->conn_info.connState,
				roamResult, roamStatus);
		hddDisconInProgress = true;
	}

	if (eCSR_ROAM_RESULT_ASSOCIATED == roamResult) {
		if (NULL == roam_info) {
			hdd_err("roam_info is NULL");
			return QDF_STATUS_E_FAILURE;
		}
		if (!hddDisconInProgress) {
			hdd_conn_set_connection_state(adapter,
						   eConnectionState_Associated);
		}

		/* Save the connection info from CSR... */
		hdd_conn_save_connect_info(adapter, roam_info,
					   eCSR_BSS_TYPE_INFRASTRUCTURE);

		if (hdd_add_beacon_filter(adapter) != 0)
			hdd_err("hdd_add_beacon_filter() failed");
#ifdef FEATURE_WLAN_WAPI
		if (roam_info->u.pConnectedProfile->AuthType ==
		    eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE
		    || roam_info->u.pConnectedProfile->AuthType ==
		    eCSR_AUTH_TYPE_WAPI_WAI_PSK) {
			adapter->wapi_info.is_wapi_sta = true;
		} else {
			adapter->wapi_info.is_wapi_sta = false;
		}
#endif /* FEATURE_WLAN_WAPI */
		hdd_debug("bss_descr[%d] devicemode[%d]", !!roam_info->pBssDesc,
				adapter->device_mode);
		if ((QDF_STA_MODE == adapter->device_mode) &&
						roam_info->pBssDesc) {
			ie_len = GET_IE_LEN_IN_BSS(roam_info->pBssDesc->length);
			sta_ctx->ap_supports_immediate_power_save =
				wlan_hdd_is_ap_supports_immediate_power_save(
				     (uint8_t *) roam_info->pBssDesc->ieFields,
				     ie_len);
			hdd_debug("ap_supports_immediate_power_save flag [%d]",
				  sta_ctx->ap_supports_immediate_power_save);
		}

		/* Indicate 'connect' status to user space */
		hdd_send_association_event(dev, roam_info);

		if (policy_mgr_is_mcc_in_24G(hdd_ctx->hdd_psoc)) {
			if (hdd_ctx->miracast_value)
				wlan_hdd_set_mas(adapter,
					hdd_ctx->miracast_value);
		}

		/* Initialize the Linkup event completion variable */
		INIT_COMPLETION(adapter->linkup_event_var);

		/*
		 * Sometimes Switching ON the Carrier is taking time to activate
		 * the device properly. Before allowing any packet to go up to
		 * the application, device activation has to be ensured for
		 * proper queue mapping by the kernel. we have registered net
		 * device notifier for device change notification. With this we
		 * will come to know that the device is getting
		 * activated properly.
		 */
		if (sta_ctx->ft_carrier_on == false) {
			/*
			 * Enable Linkup Event Servicing which allows the net
			 * device notifier to set the linkup event variable.
			 */
			adapter->is_link_up_service_needed = true;

			/* Switch on the Carrier to activate the device */
			wlan_hdd_netif_queue_control(adapter,
						WLAN_NETIF_CARRIER_ON,
						WLAN_CONTROL_PATH);

			/*
			 * Wait for the Link to up to ensure all the queues
			 * are set properly by the kernel.
			 */
			rc = wait_for_completion_timeout(
					&adapter->linkup_event_var,
					msecs_to_jiffies(ASSOC_LINKUP_TIMEOUT)
					);
			if (!rc)
				hdd_warn("Warning:ASSOC_LINKUP_TIMEOUT");

			/*
			 * Disable Linkup Event Servicing - no more service
			 * required from the net device notifier call.
			 */
			adapter->is_link_up_service_needed = false;
		} else {
			sta_ctx->ft_carrier_on = false;
			ft_carrier_on = true;
		}
		if (roam_info->staId < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[roam_info->staId] = adapter;
		else
			hdd_err("Wrong Staid: %d", roam_info->staId);

		if (hdd_ipa_is_enabled(hdd_ctx))
			hdd_ipa_wlan_evt(adapter, roam_info->staId,
					 HDD_IPA_STA_CONNECT,
					 roam_info->bssid.bytes);

#ifdef FEATURE_WLAN_AUTO_SHUTDOWN
		wlan_hdd_auto_shutdown_enable(hdd_ctx, false);
#endif

		hdd_debug("check if STA chan ok for DNBS");
		if (policy_mgr_is_chan_ok_for_dnbs(hdd_ctx->hdd_psoc,
					sta_ctx->conn_info.operationChannel,
					&ok)) {
			hdd_err("Unable to check DNBS eligibility for chan:%d",
					sta_ctx->conn_info.operationChannel);
			return QDF_STATUS_E_FAILURE;
		}

		if (!ok) {
			hdd_err("Chan:%d not suitable for DNBS",
				sta_ctx->conn_info.operationChannel);
			wlan_hdd_netif_queue_control(adapter,
				WLAN_NETIF_CARRIER_OFF,
				WLAN_CONTROL_PATH);
			if (!hddDisconInProgress) {
				hdd_err("Disconnecting...");
				sme_roam_disconnect(
					WLAN_HDD_GET_HAL_CTX(adapter),
					adapter->session_id,
					eCSR_DISCONNECT_REASON_UNSPECIFIED);
			}
			return QDF_STATUS_E_FAILURE;
		}

		hdd_debug("check for SAP restart");
		policy_mgr_check_concurrent_intf_and_restart_sap(
			hdd_ctx->hdd_psoc);

		DPTRACE(qdf_dp_trace_mgmt_pkt(QDF_DP_TRACE_MGMT_PACKET_RECORD,
			adapter->session_id,
			QDF_TRACE_DEFAULT_PDEV_ID,
			QDF_PROTO_TYPE_MGMT, QDF_PROTO_MGMT_ASSOC));

		/*
		 * For reassoc, the station is already registered, all we need
		 * is to change the state of the STA in TL.
		 * If authentication is required (WPA/WPA2/DWEP), change TL to
		 * CONNECTED instead of AUTHENTICATED.
		 */
		if (!roam_info->fReassocReq) {
			struct cfg80211_bss *bss;
			u8 *pFTAssocRsp = NULL;
			unsigned int assocRsplen = 0;
			u8 *pFTAssocReq = NULL;
			unsigned int assocReqlen = 0;
			struct ieee80211_channel *chan;
			uint8_t rspRsnIe[DOT11F_IE_RSN_MAX_LEN];
			uint32_t rspRsnLength = DOT11F_IE_RSN_MAX_LEN;

			/* add bss_id to cfg80211 data base */
			bss =
				wlan_hdd_cfg80211_update_bss_db(adapter,
								roam_info);
			if (NULL == bss) {
				hdd_err("wlan: Not able to create BSS entry");
				wlan_hdd_netif_queue_control(adapter,
					WLAN_NETIF_CARRIER_OFF,
					WLAN_CONTROL_PATH);
				if (!hddDisconInProgress) {
					/*
					 * Here driver was not able to add bss
					 * in cfg80211 database this can happen
					 * if connected channel is not valid,
					 * i.e reg domain was changed during
					 * connection. Queue disconnect for the
					 * session if disconnect is not in
					 * progress.
					 */
					hdd_debug("Disconnecting...");
					sme_roam_disconnect(
					   WLAN_HDD_GET_HAL_CTX(adapter),
					   adapter->session_id,
					   eCSR_DISCONNECT_REASON_UNSPECIFIED);
				}
				return QDF_STATUS_E_FAILURE;
			} else {
				cfg80211_put_bss(
					hdd_ctx->wiphy,
					bss);
			}

			/* Association Response */
			pFTAssocRsp =
				(u8 *) (roam_info->pbFrames +
					roam_info->nBeaconLength +
					roam_info->nAssocReqLength);
			if (pFTAssocRsp != NULL) {
				/*
				 * pFTAssocRsp needs to point to the IEs
				 */
				pFTAssocRsp += FT_ASSOC_RSP_IES_OFFSET;
				hdd_debug("AssocRsp is now at %02x%02x",
					 (unsigned int)pFTAssocRsp[0],
					 (unsigned int)pFTAssocRsp[1]);
				assocRsplen =
					roam_info->nAssocRspLength -
					FT_ASSOC_RSP_IES_OFFSET;

				hdd_debug("assocRsplen %d", assocRsplen);
				hdd_debug("Assoc Rsp IE dump");
				QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD,
						   QDF_TRACE_LEVEL_DEBUG,
						   pFTAssocRsp,
						   assocRsplen);
			} else {
				hdd_debug("AssocRsp is NULL");
				assocRsplen = 0;
			}

			/* Association Request */
			pFTAssocReq = (u8 *) (roam_info->pbFrames +
					      roam_info->nBeaconLength);
			if (pFTAssocReq != NULL) {
				if (!ft_carrier_on) {
					/*
					 * pFTAssocReq needs to point to
					 * the IEs
					 */
					pFTAssocReq +=
						FT_ASSOC_REQ_IES_OFFSET;
					hdd_debug("pFTAssocReq is now at %02x%02x",
						 (unsigned int)
						 pFTAssocReq[0],
						 (unsigned int)
						 pFTAssocReq[1]);
					assocReqlen =
					    roam_info->nAssocReqLength -
						FT_ASSOC_REQ_IES_OFFSET;
				} else {
					/*
					 * This should contain only the
					 * FTIEs
					 */
					assocReqlen =
					    roam_info->nAssocReqLength;
				}

				hdd_debug("assocReqlen %d", assocReqlen);
				hdd_debug("Assoc/Reassoc Req IE dump");
				QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD,
						   QDF_TRACE_LEVEL_DEBUG,
						   pFTAssocReq,
						   assocReqlen);
			} else {
				hdd_debug("AssocReq is NULL");
				assocReqlen = 0;
			}

			if (roam_info->u.pConnectedProfile->AuthType ==
			    eCSR_AUTH_TYPE_FT_RSN
			    || roam_info->u.pConnectedProfile->AuthType ==
			    eCSR_AUTH_TYPE_FT_RSN_PSK) {
				if (ft_carrier_on) {
					if (!hddDisconInProgress &&
						roam_info->pBssDesc) {
						struct cfg80211_bss *roam_bss;

						/*
						 * After roaming is completed,
						 * active session count is
						 * incremented as a part of
						 * connect indication but
						 * effectively the active
						 * session count should still
						 * be the same and hence upon
						 * successful reassoc
						 * decrement the active session
						 * count here.
						 */
						if (!hdd_is_roam_sync_in_progress
								(roam_info))
						policy_mgr_decr_session_set_pcl(
							hdd_ctx->hdd_psoc,
							adapter->device_mode,
							adapter->session_id);
						hdd_debug("ft_carrier_on is %d, sending roamed indication",
							 ft_carrier_on);
						chan =
							ieee80211_get_channel
								(adapter->wdev.wiphy,
								(int)roam_info->pBssDesc->
								channelId);

						roam_bss =
							hdd_cfg80211_get_bss(
							adapter->wdev.wiphy,
							chan,
							roam_info->bssid.bytes,
							roam_info->u.
							pConnectedProfile->SSID.ssId,
							roam_info->u.
							pConnectedProfile->SSID.length);
						hdd_send_roamed_ind(
								dev,
								roam_bss,
								pFTAssocReq,
								assocReqlen,
								pFTAssocRsp,
								assocRsplen);
						wlan_hdd_send_roam_auth_event(
							adapter,
							roam_info->bssid.bytes,
							pFTAssocReq,
							assocReqlen,
							pFTAssocRsp,
							assocRsplen,
							roam_info);
					}
					if (sme_get_ftptk_state
						    (WLAN_HDD_GET_HAL_CTX(adapter),
						    adapter->session_id)) {
						sme_set_ftptk_state
							(WLAN_HDD_GET_HAL_CTX
								(adapter),
							adapter->session_id,
							false);
						roam_info->fAuthRequired =
							false;

						qdf_mem_copy(sta_ctx->
							     roam_info.bssid,
							     roam_info->bssid.bytes,
							     QDF_MAC_ADDR_SIZE);
						qdf_mem_copy(sta_ctx->
							     roam_info.peer_mac,
							     roam_info->peerMac.bytes,
							     QDF_MAC_ADDR_SIZE);
						sta_ctx->roam_info.roam_id =
							roamId;
						sta_ctx->roam_info.roam_status =
							roamStatus;
						sta_ctx->roam_info.
						defer_key_complete = true;
					}
				} else if (!hddDisconInProgress) {
					hdd_debug("ft_carrier_on is %d, sending connect indication",
						 ft_carrier_on);
					hdd_connect_result(dev,
							   roam_info->
							   bssid.bytes,
							   roam_info,
							   pFTAssocReq,
							   assocReqlen,
							   pFTAssocRsp,
							   assocRsplen,
							   WLAN_STATUS_SUCCESS,
							   GFP_KERNEL,
							   false,
							   roam_info->statusCode);
				}
			} else {
				/*
				 * wpa supplicant expecting WPA/RSN IE in
				 * connect result.
				 */
				csr_roam_get_wpa_rsn_req_ie(WLAN_HDD_GET_HAL_CTX
								    (adapter),
							    adapter->session_id,
							    &reqRsnLength,
							    reqRsnIe);

				csr_roam_get_wpa_rsn_rsp_ie(WLAN_HDD_GET_HAL_CTX
								    (adapter),
							    adapter->session_id,
							    &rspRsnLength,
							    rspRsnIe);
				if (!hddDisconInProgress) {
					if (ft_carrier_on)
						hdd_send_re_assoc_event(dev,
									adapter,
									roam_info,
									reqRsnIe,
									reqRsnLength);
					else {
						hdd_debug("sending connect indication to nl80211:for bssid "
							 MAC_ADDRESS_STR
							 " result:%d and Status:%d",
							 MAC_ADDR_ARRAY
							 (roam_info->bssid.bytes),
							 roamResult, roamStatus);

						/* inform connect result to nl80211 */
						hdd_connect_result(dev,
								   roam_info->
								   bssid.bytes,
								   roam_info,
								   pFTAssocReq,
								   assocReqlen,
								   pFTAssocRsp,
								   assocRsplen,
								   WLAN_STATUS_SUCCESS,
								   GFP_KERNEL,
								   false,
								   roam_info->statusCode);
					}
				}
			}
			if (!hddDisconInProgress) {
				/*
				 * Perform any WMM-related association
				 * processing.
				 */
				hdd_wmm_assoc(adapter, roam_info,
					      eCSR_BSS_TYPE_INFRASTRUCTURE);

				/*
				 * Register the Station with DP after associated
				 */
				qdf_status = hdd_roam_register_sta(adapter,
						roam_info,
						sta_ctx->conn_info.staId[0],
						NULL, roam_info->pBssDesc);
				hdd_debug("Enabling queues");
				wlan_hdd_netif_queue_control(adapter,
						WLAN_WAKE_ALL_NETIF_QUEUE,
						WLAN_CONTROL_PATH);

			}
		} else {
			/*
			 * wpa supplicant expecting WPA/RSN IE in connect result
			 * in case of reassociation also need to indicate it to
			 * supplicant.
			 */
			csr_roam_get_wpa_rsn_req_ie(
						WLAN_HDD_GET_HAL_CTX(adapter),
						adapter->session_id,
						&reqRsnLength, reqRsnIe);

			hdd_send_re_assoc_event(dev, adapter, roam_info,
						reqRsnIe, reqRsnLength);
			/* Reassoc successfully */
			if (roam_info->fAuthRequired) {
				qdf_status =
					hdd_change_peer_state(adapter,
						sta_ctx->conn_info.staId[0],
						OL_TXRX_PEER_STATE_CONN,
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
						roam_info->roamSynchInProgress
#else
						false
#endif
						);
				hdd_conn_set_authenticated(adapter, false);
				hdd_objmgr_set_peer_mlme_auth_state(
							adapter->hdd_vdev,
							false);
			} else {
				hdd_debug("staId: %d Changing TL state to AUTHENTICATED",
					 sta_ctx->conn_info.staId[0]);
				qdf_status =
					hdd_change_peer_state(adapter,
						sta_ctx->conn_info.staId[0],
						OL_TXRX_PEER_STATE_AUTH,
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
						roam_info->roamSynchInProgress
#else
						false
#endif
						);
				hdd_conn_set_authenticated(adapter, true);
				hdd_objmgr_set_peer_mlme_auth_state(
							adapter->hdd_vdev,
							true);
			}

			if (QDF_IS_STATUS_SUCCESS(qdf_status)) {
				/*
				 * Perform any WMM-related association
				 * processing
				 */
				hdd_wmm_assoc(adapter, roam_info,
					      eCSR_BSS_TYPE_INFRASTRUCTURE);
			}

			/* Start the tx queues */
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
			if (roam_info->roamSynchInProgress)
				hdd_debug("LFR3:netif_tx_wake_all_queues");
#endif
			hdd_debug("Enabling queues");
			wlan_hdd_netif_queue_control(adapter,
						   WLAN_WAKE_ALL_NETIF_QUEUE,
						   WLAN_CONTROL_PATH);
		}

		if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
			hdd_err("STA register with TL failed status: %d [%08X]",
				qdf_status, qdf_status);
		}
#ifdef WLAN_FEATURE_11W
		qdf_mem_zero(&adapter->hdd_stats.hdd_pmf_stats,
			     sizeof(adapter->hdd_stats.hdd_pmf_stats));
#endif
	} else {
		bool connect_timeout = false;
		if (roam_info && roam_info->is_fils_connection &&
		    eCSR_ROAM_RESULT_SCAN_FOR_SSID_FAILURE == roamResult)
			qdf_copy_macaddr(&roam_info->bssid,
					 &sta_ctx->requested_bssid);
		if (roam_info)
			hdd_err("wlan: connection failed with " MAC_ADDRESS_STR
				 " result: %d and Status: %d",
				 MAC_ADDR_ARRAY(roam_info->bssid.bytes),
				 roamResult, roamStatus);
		else
			hdd_err("wlan: connection failed with " MAC_ADDRESS_STR
				 " result: %d and Status: %d",
				 MAC_ADDR_ARRAY(sta_ctx->requested_bssid.bytes),
				 roamResult, roamStatus);

		if ((eCSR_ROAM_RESULT_SCAN_FOR_SSID_FAILURE == roamResult) ||
		   (roam_info &&
		   ((eSIR_SME_JOIN_TIMEOUT_RESULT_CODE ==
					roam_info->statusCode) ||
		   (eSIR_SME_AUTH_TIMEOUT_RESULT_CODE ==
					roam_info->statusCode) ||
		   (eSIR_SME_ASSOC_TIMEOUT_RESULT_CODE ==
					roam_info->statusCode)))) {
			wlan_hdd_cfg80211_update_bss_list(adapter,
				roam_info ?
				roam_info->bssid.bytes :
				sta_ctx->requested_bssid.bytes);
			sme_remove_bssid_from_scan_list(hdd_ctx->hHal,
				roam_info ?
				roam_info->bssid.bytes :
				sta_ctx->requested_bssid.bytes);
			connect_timeout = true;
		}

		/*
		 * CR465478: Only send up a connection failure result when CSR
		 * has completed operation - with a ASSOCIATION_FAILURE status.
		 */
		if (eCSR_ROAM_ASSOCIATION_FAILURE == roamStatus
		    && !hddDisconInProgress) {
			if (roam_info) {
				hdd_err("send connect failure to nl80211: for bssid "
					MAC_ADDRESS_STR
					" result: %d and Status: %d reasoncode: %d",
					MAC_ADDR_ARRAY(roam_info->bssid.bytes),
					roamResult, roamStatus,
					roam_info->reasonCode);
				sta_ctx->conn_info.assoc_status_code =
					roam_info->statusCode;
			} else {
				hdd_err("connect failed: for bssid "
				       MAC_ADDRESS_STR
				       " result: %d and status: %d ",
				       MAC_ADDR_ARRAY(sta_ctx->requested_bssid.bytes),
				       roamResult, roamStatus);
			}
			hdd_debug("Invoking packetdump deregistration API");
			wlan_deregister_txrx_packetdump();

			/* inform association failure event to nl80211 */
			if (eCSR_ROAM_RESULT_ASSOC_FAIL_CON_CHANNEL ==
			    roamResult) {
				if (roam_info)
					hdd_connect_result(dev,
						roam_info->bssid.bytes,
						roam_info, NULL, 0, NULL, 0,
						WLAN_STATUS_ASSOC_DENIED_UNSPEC,
						GFP_KERNEL,
						connect_timeout,
						roam_info->statusCode);
				else
					hdd_connect_result(dev,
						sta_ctx->requested_bssid.bytes,
						NULL, NULL, 0, NULL, 0,
						WLAN_STATUS_ASSOC_DENIED_UNSPEC,
						GFP_KERNEL,
						connect_timeout,
						timeout_reason);
			} else {
				if (roam_info)
					hdd_connect_result(dev,
						roam_info->bssid.bytes,
						roam_info, NULL, 0, NULL, 0,
						roam_info->reasonCode ?
						roam_info->reasonCode :
						WLAN_STATUS_UNSPECIFIED_FAILURE,
						GFP_KERNEL,
						connect_timeout,
						roam_info->statusCode);
				else
					hdd_connect_result(dev,
						sta_ctx->requested_bssid.bytes,
						NULL, NULL, 0, NULL, 0,
						WLAN_STATUS_UNSPECIFIED_FAILURE,
						GFP_KERNEL,
						connect_timeout,
						timeout_reason);
			}
			hdd_clear_roam_profile_ie(adapter);
		} else  if ((eCSR_ROAM_CANCELLED == roamStatus
		    && !hddDisconInProgress)) {
			hdd_connect_result(dev,
					   sta_ctx->requested_bssid.bytes,
					   NULL, NULL, 0, NULL, 0,
					   WLAN_STATUS_UNSPECIFIED_FAILURE,
					   GFP_KERNEL,
					   connect_timeout,
					   timeout_reason);
		}

		/*
		 * Set connection state to eConnectionState_NotConnected only
		 * when CSR has completed operation - with a
		 * ASSOCIATION_FAILURE or eCSR_ROAM_CANCELLED status.
		 */
		if (((eCSR_ROAM_ASSOCIATION_FAILURE == roamStatus) ||
			(eCSR_ROAM_CANCELLED == roamStatus))
		    && !hddDisconInProgress) {
			hdd_conn_set_connection_state(adapter,
					eConnectionState_NotConnected);
		}
		hdd_wmm_init(adapter);

		hdd_debug("Disabling queues");
		wlan_hdd_netif_queue_control(adapter,
					   WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER,
					   WLAN_CONTROL_PATH);
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * hdd_roam_ibss_indication_handler() - update the status of the IBSS
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * Here we update the status of the Ibss when we receive information that we
 * have started/joined an ibss session.
 *
 * Return: none
 */
static void hdd_roam_ibss_indication_handler(struct hdd_adapter *adapter,
					     struct csr_roam_info *roam_info,
					     uint32_t roamId,
					     eRoamCmdStatus roamStatus,
					     eCsrRoamResult roamResult)
{
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	hdd_debug("%s: id %d, status %d, result %d",
		 adapter->dev->name, roamId,
		 roamStatus, roamResult);

	switch (roamResult) {
	/* both IBSS Started and IBSS Join should come in here. */
	case eCSR_ROAM_RESULT_IBSS_STARTED:
	case eCSR_ROAM_RESULT_IBSS_JOIN_SUCCESS:
	case eCSR_ROAM_RESULT_IBSS_COALESCED:
	{
		struct hdd_station_ctx *hdd_sta_ctx =
			WLAN_HDD_GET_STATION_CTX_PTR(adapter);
		struct qdf_mac_addr broadcastMacAddr =
			QDF_MAC_ADDR_BROADCAST_INITIALIZER;
		int ret;

		if (NULL == roam_info) {
			QDF_ASSERT(0);
			return;
		}

		/* When IBSS Started comes from CSR, we need to move
		 * connection state to IBSS Disconnected (meaning no peers
		 * are in the IBSS).
		 */
		hdd_conn_set_connection_state(adapter,
				      eConnectionState_IbssDisconnected);
		/* notify wmm */
		hdd_wmm_connect(adapter, roam_info,
				eCSR_BSS_TYPE_IBSS);

		hdd_sta_ctx->broadcast_staid = roam_info->staId;

		if (roam_info->staId < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[roam_info->staId] =
				adapter;
		else
			hdd_debug("invalid sta id %d", roam_info->staId);

		hdd_roam_register_sta(adapter, roam_info,
				      roam_info->staId,
				      &broadcastMacAddr,
				      roam_info->pBssDesc);
		ret = hdd_objmgr_add_peer_object(adapter->hdd_vdev,
						 QDF_IBSS_MODE,
						 broadcastMacAddr.bytes,
						 false);
		if (ret)
			hdd_err("Peer object "MAC_ADDRESS_STR" add fails!",
				MAC_ADDR_ARRAY(roam_info->peerMac.bytes));

		if (roam_info->pBssDesc) {
			struct cfg80211_bss *bss;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
			struct ieee80211_channel *chan;
			int chan_no;
			unsigned int freq;
#endif
			/* we created the IBSS, notify supplicant */
			hdd_debug("%s: created ibss " MAC_ADDRESS_STR,
				adapter->dev->name,
				MAC_ADDR_ARRAY(
					roam_info->pBssDesc->bssId));

			/* we must first give cfg80211 the BSS information */
			bss = wlan_hdd_cfg80211_update_bss_db(adapter,
								roam_info);
			if (NULL == bss) {
				hdd_err("%s: unable to create IBSS entry",
					adapter->dev->name);
				return;
			}
			hdd_debug("Enabling queues");
			wlan_hdd_netif_queue_control(adapter,
					WLAN_START_ALL_NETIF_QUEUE_N_CARRIER,
					WLAN_CONTROL_PATH);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
			chan_no = roam_info->pBssDesc->channelId;

			if (chan_no <= 14)
				freq = ieee80211_channel_to_frequency(chan_no,
					  HDD_NL80211_BAND_2GHZ);
			else
				freq = ieee80211_channel_to_frequency(chan_no,
					  HDD_NL80211_BAND_5GHZ);

			chan = ieee80211_get_channel(adapter->wdev.wiphy, freq);

			if (chan)
				cfg80211_ibss_joined(adapter->dev,
						     bss->bssid, chan,
						     GFP_KERNEL);
			else
				hdd_warn("%s: chanId: %d, can't find channel",
				adapter->dev->name,
				(int)roam_info->pBssDesc->channelId);
#else
			cfg80211_ibss_joined(adapter->dev, bss->bssid,
					     GFP_KERNEL);
#endif
			cfg80211_put_bss(
				hdd_ctx->wiphy,
				bss);
		}
		if (eCSR_ROAM_RESULT_IBSS_STARTED == roamResult) {
			policy_mgr_incr_active_session(hdd_ctx->hdd_psoc,
				adapter->device_mode, adapter->session_id);
		} else if (eCSR_ROAM_RESULT_IBSS_JOIN_SUCCESS == roamResult ||
				eCSR_ROAM_RESULT_IBSS_COALESCED == roamResult) {
			policy_mgr_update_connection_info(hdd_ctx->hdd_psoc,
					adapter->session_id);
		}
		break;
	}

	case eCSR_ROAM_RESULT_IBSS_START_FAILED:
	{
		hdd_err("%s: unable to create IBSS", adapter->dev->name);
		break;
	}

	default:
		hdd_err("%s: unexpected result %d",
			adapter->dev->name, (int)roamResult);
		break;
	}
}

/**
 * hdd_save_peer() - Save peer MAC address in adapter peer table.
 * @sta_ctx: pointer to hdd station context
 * @sta_id: station ID
 * @peer_mac_addr: mac address of new peer
 *
 * This information is passed to iwconfig later. The peer that joined
 * last is passed as information to iwconfig.

 * Return: true if success, false otherwise
 */
bool hdd_save_peer(struct hdd_station_ctx *sta_ctx, uint8_t sta_id,
		   struct qdf_mac_addr *peer_mac_addr)
{
	int idx;

	for (idx = 0; idx < SIR_MAX_NUM_STA_IN_IBSS; idx++) {
		if (HDD_WLAN_INVALID_STA_ID == sta_ctx->conn_info.staId[idx]) {
			hdd_debug("adding peer: %pM, sta_id: %d, at idx: %d",
				 peer_mac_addr, sta_id, idx);
			sta_ctx->conn_info.staId[idx] = sta_id;
			qdf_copy_macaddr(
				&sta_ctx->conn_info.peerMacAddress[idx],
				peer_mac_addr);
			return true;
		}
	}
	return false;
}

/**
 * hdd_delete_peer() - removes peer from hdd station context peer table
 * @sta_ctx: pointer to hdd station context
 * @sta_id: station ID
 *
 * Return: None
 */
void hdd_delete_peer(struct hdd_station_ctx *sta_ctx, uint8_t sta_id)
{
	int i;

	for (i = 0; i < SIR_MAX_NUM_STA_IN_IBSS; i++) {
		if (sta_id == sta_ctx->conn_info.staId[i]) {
			sta_ctx->conn_info.staId[i] = HDD_WLAN_INVALID_STA_ID;
			return;
		}
	}
}

/**
 * roam_remove_ibss_station() - Remove the IBSS peer MAC address in the adapter
 * @adapter: pointer to adapter
 * @staId: station id
 *
 * Return:
 *	true if we remove MAX_PEERS or less STA
 *	false otherwise.
 */
static bool roam_remove_ibss_station(struct hdd_adapter *adapter, uint8_t staId)
{
	bool fSuccess = false;
	int idx = 0;
	uint8_t valid_idx = 0;
	uint8_t del_idx = 0;
	uint8_t empty_slots = 0;
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	for (idx = 0; idx < MAX_PEERS; idx++) {
		if (staId == sta_ctx->conn_info.staId[idx]) {
			sta_ctx->conn_info.staId[idx] =
						HDD_WLAN_INVALID_STA_ID;

			qdf_zero_macaddr(&sta_ctx->conn_info.
					 peerMacAddress[idx]);

			fSuccess = true;

			/*
			 * Note the deleted Index, if its 0 we need special
			 * handling.
			 */
			del_idx = idx;

			empty_slots++;
		} else {
			if (sta_ctx->conn_info.staId[idx] !=
					HDD_WLAN_INVALID_STA_ID) {
				valid_idx = idx;
			} else {
				/* Found an empty slot */
				empty_slots++;
			}
		}
	}

	if (MAX_PEERS == empty_slots) {
		/* Last peer departed, set the IBSS state appropriately */
		hdd_conn_set_connection_state(adapter,
				eConnectionState_IbssDisconnected);
		hdd_debug("Last IBSS Peer Departed!!!");
	}
	/* Find next active staId, to have a valid sta trigger for TL. */
	if (fSuccess == true) {
		if (del_idx == 0) {
			if (sta_ctx->conn_info.staId[valid_idx] !=
					HDD_WLAN_INVALID_STA_ID) {
				sta_ctx->conn_info.staId[0] =
					sta_ctx->conn_info.staId[valid_idx];
				qdf_copy_macaddr(&sta_ctx->conn_info.
						 peerMacAddress[0],
						 &sta_ctx->conn_info.
						 peerMacAddress[valid_idx]);

				sta_ctx->conn_info.staId[valid_idx] =
							HDD_WLAN_INVALID_STA_ID;
				qdf_zero_macaddr(&sta_ctx->conn_info.
						 peerMacAddress[valid_idx]);
			}
		}
	}
	return fSuccess;
}

/**
 * roam_ibss_connect_handler() - IBSS connection handler
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 *
 * We update the status of the IBSS to connected in this function.
 *
 * Return: QDF_STATUS enumeration
 */
static QDF_STATUS roam_ibss_connect_handler(struct hdd_adapter *adapter,
					    struct csr_roam_info *roam_info)
{
	struct cfg80211_bss *bss;
	/*
	 * Set the internal connection state to show 'IBSS Connected' (IBSS with
	 * a partner stations).
	 */
	hdd_conn_set_connection_state(adapter, eConnectionState_IbssConnected);

	/* Save the connection info from CSR... */
	hdd_conn_save_connect_info(adapter, roam_info, eCSR_BSS_TYPE_IBSS);

	/* Send the bssid address to the wext. */
	hdd_send_association_event(adapter->dev, roam_info);
	/* add bss_id to cfg80211 data base */
	bss = wlan_hdd_cfg80211_update_bss_db(adapter, roam_info);
	if (NULL == bss) {
		hdd_err("%s: unable to create IBSS entry",
		       adapter->dev->name);
		return QDF_STATUS_E_FAILURE;
	}
	cfg80211_put_bss(
		WLAN_HDD_GET_CTX(adapter)->wiphy,
		bss);

	return QDF_STATUS_SUCCESS;
}

/**
 * hdd_roam_mic_error_indication_handler() - MIC error indication handler
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * This function indicates the Mic failure to the supplicant
 *
 * Return: None
 */
static void
hdd_roam_mic_error_indication_handler(struct hdd_adapter *adapter,
				      struct csr_roam_info *roam_info)
{
	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	tSirMicFailureInfo *mic_failure_info;

	if (eConnectionState_Associated != sta_ctx->conn_info.connState)
		return;

	mic_failure_info = roam_info->u.pMICFailureInfo;
	cfg80211_michael_mic_failure(adapter->dev,
				     mic_failure_info->taMacAddr,
				     mic_failure_info->multicast ?
					NL80211_KEYTYPE_GROUP :
					NL80211_KEYTYPE_PAIRWISE,
				     mic_failure_info->keyId,
				     mic_failure_info->TSC,
				     GFP_KERNEL);
}

/**
 * roam_roam_connect_status_update_handler() - IBSS connect status update
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * The Ibss connection status is updated regularly here in this function.
 *
 * Return: QDF_STATUS enumeration
 */
static QDF_STATUS
roam_roam_connect_status_update_handler(struct hdd_adapter *adapter,
					struct csr_roam_info *roam_info,
					uint32_t roamId,
					eRoamCmdStatus roamStatus,
					eCsrRoamResult roamResult)
{
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
	QDF_STATUS qdf_status;
	int ret;

	switch (roamResult) {
	case eCSR_ROAM_RESULT_IBSS_NEW_PEER:
	{
		struct hdd_station_ctx *sta_ctx =
			WLAN_HDD_GET_STATION_CTX_PTR(adapter);
		struct station_info *stainfo;
		eCsrEncryptionType encr_type = sta_ctx->ibss_enc_key.encType;

		hdd_debug("IBSS New Peer indication from SME "
			 "with peerMac " MAC_ADDRESS_STR " BSSID: "
			 MAC_ADDRESS_STR " and stationID= %d",
			 MAC_ADDR_ARRAY(roam_info->peerMac.bytes),
			 MAC_ADDR_ARRAY(sta_ctx->conn_info.bssId.bytes),
			 roam_info->staId);

		if (!hdd_save_peer
			    (WLAN_HDD_GET_STATION_CTX_PTR(adapter),
			    roam_info->staId,
			    &roam_info->peerMac)) {
			hdd_warn("Max reached: Can't register new IBSS peer");
			break;
		}

		if (roam_info->staId < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[roam_info->staId] = adapter;
		else
			hdd_debug("invalid sta id %d", roam_info->staId);

		if (hdd_is_key_install_required_for_ibss(encr_type))
			roam_info->fAuthRequired = true;

		/* Register the Station with TL for the new peer. */
		qdf_status = hdd_roam_register_sta(adapter,
						   roam_info,
						   roam_info->staId,
						   &roam_info->peerMac,
						   roam_info->pBssDesc);
		if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
			hdd_err("Cannot register STA with TL for IBSS. qdf_status: %d [%08X]",
				qdf_status, qdf_status);
		}
		ret = hdd_objmgr_add_peer_object(adapter->hdd_vdev,
						 QDF_IBSS_MODE,
						 roam_info->peerMac.bytes,
						 false);
		if (ret)
			hdd_err("Peer object "MAC_ADDRESS_STR" add fails!",
				MAC_ADDR_ARRAY(roam_info->peerMac.bytes));
		sta_ctx->ibss_sta_generation++;
		stainfo = qdf_mem_malloc(sizeof(*stainfo));
		if (stainfo == NULL) {
			hdd_err("memory allocation for station_info failed");
			return QDF_STATUS_E_NOMEM;
		}
		stainfo->filled = 0;
		stainfo->generation = sta_ctx->ibss_sta_generation;

		cfg80211_new_sta(adapter->dev,
				 (const u8 *)roam_info->peerMac.bytes,
				 stainfo, GFP_KERNEL);
		qdf_mem_free(stainfo);

		if (hdd_is_key_install_required_for_ibss(encr_type)) {
			sta_ctx->ibss_enc_key.keyDirection =
				eSIR_TX_RX;
			qdf_copy_macaddr(&sta_ctx->ibss_enc_key.peerMac,
					 &roam_info->peerMac);

			hdd_debug("New peer joined set PTK encType=%d",
				 encr_type);

			qdf_status =
				sme_roam_set_key(WLAN_HDD_GET_HAL_CTX
							 (adapter),
						 adapter->session_id,
						 &sta_ctx->ibss_enc_key,
						 &roamId);

			if (QDF_STATUS_SUCCESS != qdf_status) {
				hdd_err("sme_roam_set_key failed, status: %d",
					qdf_status);
				return QDF_STATUS_E_FAILURE;
			}
		}
		hdd_debug("Enabling queues");
		wlan_hdd_netif_queue_control(adapter,
					   WLAN_START_ALL_NETIF_QUEUE_N_CARRIER,
					   WLAN_CONTROL_PATH);
		break;
	}

	case eCSR_ROAM_RESULT_IBSS_CONNECT:
	{

		roam_ibss_connect_handler(adapter, roam_info);

		break;
	}
	case eCSR_ROAM_RESULT_IBSS_PEER_DEPARTED:
	{
		struct hdd_station_ctx *sta_ctx =
			WLAN_HDD_GET_STATION_CTX_PTR(adapter);

		if (!roam_remove_ibss_station(adapter, roam_info->staId))
			hdd_warn("IBSS peer departed by cannot find peer in our registration table with TL");

		hdd_debug("IBSS Peer Departed from SME "
			 "with peerMac " MAC_ADDRESS_STR " BSSID: "
			 MAC_ADDRESS_STR " and stationID= %d",
			 MAC_ADDR_ARRAY(roam_info->peerMac.bytes),
			 MAC_ADDR_ARRAY(sta_ctx->conn_info.bssId.bytes),
			 roam_info->staId);

		hdd_roam_deregister_sta(adapter, roam_info->staId);

		if (roam_info->staId < HDD_MAX_ADAPTERS)
			hdd_ctx->sta_to_adapter[roam_info->staId] = NULL;
		else
			hdd_debug("invalid sta id %d", roam_info->staId);

		sta_ctx->ibss_sta_generation++;

		cfg80211_del_sta(adapter->dev,
				 (const u8 *)&roam_info->peerMac.bytes,
				 GFP_KERNEL);
		break;
	}
	case eCSR_ROAM_RESULT_IBSS_INACTIVE:
	{
		hdd_debug("Received eCSR_ROAM_RESULT_IBSS_INACTIVE from SME");
		/* Stop only when we are inactive */
		hdd_debug("Disabling queues");
		wlan_hdd_netif_queue_control(adapter,
					   WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER,
					   WLAN_CONTROL_PATH);
		hdd_conn_set_connection_state(adapter,
					      eConnectionState_NotConnected);

		/* Send the bssid address to the wext. */
		hdd_send_association_event(adapter->dev, roam_info);
		break;
	}
	default:
		break;

	}

	return QDF_STATUS_SUCCESS;
}

#ifdef FEATURE_WLAN_TDLS
/**
 * hdd_roam_register_tdlssta() - register new TDLS station
 * @adapter: pointer to adapter
 * @peerMac: pointer to peer MAC address
 * @staId: station identifier
 * @ucastSig: unicast signature
 * @qos: QOS capability of TDLS station/link
 *
 * Construct the staDesc and register with TL the new STA.
 * This is called as part of ADD_STA in the TDLS setup.
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS hdd_roam_register_tdlssta(struct hdd_adapter *adapter,
				     const uint8_t *peerMac, uint16_t staId,
				     uint8_t ucastSig, uint8_t qos)
{
	QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
	struct ol_txrx_desc_type staDesc = { 0 };
	struct ol_txrx_ops txrx_ops;
	void *soc = cds_get_context(QDF_MODULE_ID_SOC);
	void *pdev = cds_get_context(QDF_MODULE_ID_TXRX);

	/*
	 * TDLS sta in BSS should be set as STA type TDLS and STA MAC should
	 * be peer MAC, here we are working on direct Link
	 */
	staDesc.sta_id = staId;

	/* set the QoS field appropriately .. */
	staDesc.is_qos_enabled = qos;

	/* Register the vdev transmit and receive functions */
	qdf_mem_zero(&txrx_ops, sizeof(txrx_ops));
	txrx_ops.rx.rx = hdd_rx_packet_cbk;
	cdp_vdev_register(soc,
		 (struct cdp_vdev *)cdp_get_vdev_from_vdev_id(soc,
		 (struct cdp_pdev *)pdev, adapter->session_id),
		 adapter, &txrx_ops);
	adapter->tx_fn = txrx_ops.tx.tx;

	/* Register the Station with TL...  */
	qdf_status = cdp_peer_register(soc,
			(struct cdp_pdev *)pdev, &staDesc);
	if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
		hdd_err("cdp_peer_register() failed Status: %d [0x%08X]",
			qdf_status, qdf_status);
		return qdf_status;
	}

	return qdf_status;
}

/**
 * hdd_roam_deregister_tdlssta() - deregister new TDLS station
 * @adapter: pointer to adapter
 * @staId: station identifier
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS hdd_roam_deregister_tdlssta(struct hdd_adapter *adapter,
				       uint8_t staId)
{
	QDF_STATUS qdf_status;

	qdf_status = cdp_clear_peer(cds_get_context(QDF_MODULE_ID_SOC),
			(struct cdp_pdev *)cds_get_context(QDF_MODULE_ID_TXRX),
			staId);
	if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
		hdd_err("cdp_clear_peer() failed for staID: %d Status: %d [0x%08X]",
			staId, qdf_status, qdf_status);
	}
	return qdf_status;
}

#else

inline QDF_STATUS hdd_roam_deregister_tdlssta(struct hdd_adapter *adapter,
					      uint8_t staId)
{
	return QDF_STATUS_SUCCESS;
}

static inline QDF_STATUS
hdd_roam_tdls_status_update_handler(struct hdd_adapter *adapter,
				    struct csr_roam_info *roam_info,
				    uint32_t roamId,
				    eRoamCmdStatus roamStatus,
				    eCsrRoamResult roamResult)
{
	return QDF_STATUS_SUCCESS;
}
#endif

#ifdef WLAN_FEATURE_11W
/**
 * hdd_indicate_unprot_mgmt_frame() - indicate unprotected management frame
 * @adapter:     pointer to the adapter
 * @nFrameLength: Length of the unprotected frame being passed
 * @pbFrames:     Pointer to the frame buffer
 * @frameType:    802.11 frame type
 *
 * This function forwards the unprotected management frame to the supplicant.
 *
 * Return: nothing
 */
static void
hdd_indicate_unprot_mgmt_frame(struct hdd_adapter *adapter,
			       uint32_t nFrameLength,
			       uint8_t *pbFrames, uint8_t frameType)
{
	uint8_t type = 0;
	uint8_t subType = 0;

	hdd_debug("Frame Type = %d Frame Length = %d",
		 frameType, nFrameLength);

	/* Sanity Checks */
	if (NULL == adapter) {
		hdd_err("adapter is NULL");
		return;
	}

	if (NULL == adapter->dev) {
		hdd_err("adapter->dev is NULL");
		return;
	}

	if (WLAN_HDD_ADAPTER_MAGIC != adapter->magic) {
		hdd_err("adapter has invalid magic");
		return;
	}

	if (!nFrameLength) {
		hdd_err("Frame Length is Invalid ZERO");
		return;
	}

	if (NULL == pbFrames) {
		hdd_err("pbFrames is NULL");
		return;
	}

	type = WLAN_HDD_GET_TYPE_FRM_FC(pbFrames[0]);
	subType = WLAN_HDD_GET_SUBTYPE_FRM_FC(pbFrames[0]);

	/* Get adapter from Destination mac address of the frame */
	if (type == SIR_MAC_MGMT_FRAME && subType == SIR_MAC_MGMT_DISASSOC) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
		cfg80211_rx_unprot_mlme_mgmt(adapter->dev, pbFrames,
					     nFrameLength);
#else
		cfg80211_send_unprot_disassoc(adapter->dev, pbFrames,
					      nFrameLength);
#endif
		adapter->hdd_stats.hdd_pmf_stats.num_unprot_disassoc_rx++;
	} else if (type == SIR_MAC_MGMT_FRAME &&
		   subType == SIR_MAC_MGMT_DEAUTH) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
		cfg80211_rx_unprot_mlme_mgmt(adapter->dev, pbFrames,
					     nFrameLength);
#else
		cfg80211_send_unprot_deauth(adapter->dev, pbFrames,
					    nFrameLength);
#endif
		adapter->hdd_stats.hdd_pmf_stats.num_unprot_deauth_rx++;
	} else {
		hdd_warn("Frame type %d and subtype %d are not valid",
			type, subType);
		return;
	}
}
#endif

#ifdef FEATURE_WLAN_ESE
/**
 * hdd_indicate_tsm_ie() - send traffic stream metrics ie
 * @adapter: pointer to adapter
 * @tid: traffic identifier
 * @state: state
 * @measInterval: measurement interval
 *
 * This function sends traffic stream metrics IE information to
 * the supplicant via wireless event.
 *
 * Return: none
 */
static void
hdd_indicate_tsm_ie(struct hdd_adapter *adapter, uint8_t tid,
		    uint8_t state, uint16_t measInterval)
{
	union iwreq_data wrqu;
	char buf[IW_CUSTOM_MAX + 1];
	int nBytes = 0;

	if (NULL == adapter)
		return;

	/* create the event */
	memset(&wrqu, '\0', sizeof(wrqu));
	memset(buf, '\0', sizeof(buf));

	hdd_debug("TSM Ind tid(%d) state(%d) MeasInt(%d)",
		 tid, state, measInterval);

	nBytes =
		snprintf(buf, IW_CUSTOM_MAX, "TSMIE=%d:%d:%d", tid, state,
			 measInterval);

	wrqu.data.pointer = buf;
	wrqu.data.length = nBytes;
	/* send the event */
	wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buf);
}

/**
 * hdd_indicate_cckm_pre_auth() - send cckm preauth indication
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 *
 * This function sends cckm preauth indication to the supplicant
 * via wireless custom event.
 *
 * Return: none
 */
static void
hdd_indicate_cckm_pre_auth(struct hdd_adapter *adapter,
			   struct csr_roam_info *roam_info)
{
	union iwreq_data wrqu;
	char buf[IW_CUSTOM_MAX + 1];
	char *pos = buf;
	int nBytes = 0, freeBytes = IW_CUSTOM_MAX;

	if ((NULL == adapter) || (NULL == roam_info))
		return;

	/* create the event */
	memset(&wrqu, '\0', sizeof(wrqu));
	memset(buf, '\0', sizeof(buf));

	/* Timestamp0 is lower 32 bits and Timestamp1 is upper 32 bits */
	hdd_debug("CCXPREAUTHNOTIFY=" MAC_ADDRESS_STR " %d:%d",
		 MAC_ADDR_ARRAY(roam_info->bssid.bytes),
		 roam_info->timestamp[0], roam_info->timestamp[1]);

	nBytes = snprintf(pos, freeBytes, "CCXPREAUTHNOTIFY=");
	pos += nBytes;
	freeBytes -= nBytes;

	qdf_mem_copy(pos, roam_info->bssid.bytes, QDF_MAC_ADDR_SIZE);
	pos += QDF_MAC_ADDR_SIZE;
	freeBytes -= QDF_MAC_ADDR_SIZE;

	nBytes = snprintf(pos, freeBytes, " %u:%u",
			  roam_info->timestamp[0], roam_info->timestamp[1]);
	freeBytes -= nBytes;

	wrqu.data.pointer = buf;
	wrqu.data.length = (IW_CUSTOM_MAX - freeBytes);

	/* send the event */
	wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buf);
}

/**
 * hdd_indicate_ese_adj_ap_rep_ind() - send adjacent AP report indication
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 *
 * Return: none
 */
static void
hdd_indicate_ese_adj_ap_rep_ind(struct hdd_adapter *adapter,
				struct csr_roam_info *roam_info)
{
	union iwreq_data wrqu;
	char buf[IW_CUSTOM_MAX + 1];
	int nBytes = 0;

	if ((NULL == adapter) || (NULL == roam_info))
		return;

	/* create the event */
	memset(&wrqu, '\0', sizeof(wrqu));
	memset(buf, '\0', sizeof(buf));

	hdd_debug("CCXADJAPREP=%u", roam_info->tsmRoamDelay);

	nBytes =
		snprintf(buf, IW_CUSTOM_MAX, "CCXADJAPREP=%u",
			 roam_info->tsmRoamDelay);

	wrqu.data.pointer = buf;
	wrqu.data.length = nBytes;

	/* send the event */
	wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buf);
}

/**
 * hdd_indicate_ese_bcn_report_no_results() - beacon report no scan results
 * @adapter: pointer to adapter
 * @measurementToken: measurement token
 * @flag: flag
 * @numBss: number of bss
 *
 * If the measurement is none and no scan results found,
 * indicate the supplicant about measurement done.
 *
 * Return: none
 */
void
hdd_indicate_ese_bcn_report_no_results(const struct hdd_adapter *adapter,
				       const uint16_t measurementToken,
				       const bool flag, const uint8_t numBss)
{
	union iwreq_data wrqu;
	char buf[IW_CUSTOM_MAX];
	char *pos = buf;
	int nBytes = 0, freeBytes = IW_CUSTOM_MAX;

	memset(&wrqu, '\0', sizeof(wrqu));
	memset(buf, '\0', sizeof(buf));

	hdd_debug("CCXBCNREP=%d %d %d", measurementToken,
		 flag, numBss);

	nBytes =
		snprintf(pos, freeBytes, "CCXBCNREP=%d %d %d", measurementToken,
			 flag, numBss);

	wrqu.data.pointer = buf;
	wrqu.data.length = nBytes;
	/* send the event */
	wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu, buf);
}

/**
 * hdd_indicate_ese_bcn_report_ind() - send beacon report indication
 * @adapter: pointer to adapter
 * @roam_info: pointer to roam info
 *
 * If the measurement is none and no scan results found,
 * indicate the supplicant about measurement done.
 *
 * Return: none
 */
static void
hdd_indicate_ese_bcn_report_ind(const struct hdd_adapter *adapter,
				const struct csr_roam_info *roam_info)
{
	union iwreq_data wrqu;
	char buf[IW_CUSTOM_MAX];
	char *pos = buf;
	int nBytes = 0, freeBytes = IW_CUSTOM_MAX;
	uint8_t i = 0, len = 0;
	uint8_t tot_bcn_ieLen = 0;  /* total size of the beacon report data */
	uint8_t lastSent = 0, sendBss = 0;
	int bcnRepFieldSize =
		sizeof(roam_info->pEseBcnReportRsp->bcnRepBssInfo[0].
		       bcnReportFields);
	uint8_t ieLenByte = 1;
	/*
	 * CCXBCNREP=meas_tok<sp>flag<sp>no_of_bss<sp>tot_bcn_ie_len = 18 bytes
	 */
#define ESEBCNREPHEADER_LEN  (18)

	if ((NULL == adapter) || (NULL == roam_info))
		return;

	/*
	 * Custom event can pass maximum of 256 bytes of data,
	 * based on the IE len we need to identify how many BSS info can
	 * be filled in to custom event data.
	 */
	/*
	 * meas_tok<sp>flag<sp>no_of_bss<sp>tot_bcn_ie_len bcn_rep_data
	 * bcn_rep_data will have bcn_rep_fields,ie_len,ie without any spaces
	 * CCXBCNREP=meas_tok<sp>flag<sp>no_of_bss<sp>tot_bcn_ie_len = 18 bytes
	 */

	if ((roam_info->pEseBcnReportRsp->flag >> 1)
	    && (!roam_info->pEseBcnReportRsp->numBss)) {
		hdd_debug("Measurement Done but no scan results");
		/* If the measurement is none and no scan results found,
		 * indicate the supplicant about measurement done
		 */
		hdd_indicate_ese_bcn_report_no_results(
				adapter,
				roam_info->pEseBcnReportRsp->
				measurementToken,
				roam_info->pEseBcnReportRsp->flag,
				roam_info->pEseBcnReportRsp->numBss);
	} else {
		while (lastSent < roam_info->pEseBcnReportRsp->numBss) {
			memset(&wrqu, '\0', sizeof(wrqu));
			memset(buf, '\0', sizeof(buf));
			tot_bcn_ieLen = 0;
			sendBss = 0;
			pos = buf;
			freeBytes = IW_CUSTOM_MAX;

			for (i = lastSent;
			     i < roam_info->pEseBcnReportRsp->numBss; i++) {
				len =
					bcnRepFieldSize + ieLenByte +
					roam_info->pEseBcnReportRsp->
					bcnRepBssInfo[i].ieLen;
				if ((len + tot_bcn_ieLen) >
				    (IW_CUSTOM_MAX - ESEBCNREPHEADER_LEN)) {
					break;
				}
				tot_bcn_ieLen += len;
				sendBss++;
				hdd_debug("i(%d) sizeof bcnReportFields(%d) IeLength(%d) Length of Ie(%d) totLen(%d)",
					 i, bcnRepFieldSize, 1,
					 roam_info->pEseBcnReportRsp->
					 bcnRepBssInfo[i].ieLen, tot_bcn_ieLen);
			}

			hdd_debug("Sending %d BSS Info", sendBss);
			hdd_debug("CCXBCNREP=%d %d %d %d",
				 roam_info->pEseBcnReportRsp->measurementToken,
				 roam_info->pEseBcnReportRsp->flag, sendBss,
				 tot_bcn_ieLen);

			nBytes = snprintf(pos, freeBytes, "CCXBCNREP=%d %d %d ",
					  roam_info->pEseBcnReportRsp->
					  measurementToken,
					  roam_info->pEseBcnReportRsp->flag,
					  sendBss);
			pos += nBytes;
			freeBytes -= nBytes;

			/* Copy total Beacon report data length */
			qdf_mem_copy(pos, (char *)&tot_bcn_ieLen,
				     sizeof(tot_bcn_ieLen));
			pos += sizeof(tot_bcn_ieLen);
			freeBytes -= sizeof(tot_bcn_ieLen);

			for (i = 0; i < sendBss; i++) {
				hdd_debug("ChanNum(%d) Spare(%d) MeasDuration(%d)"
				       " PhyType(%d) RecvSigPower(%d) ParentTSF(%u)"
				       " TargetTSF[0](%u) TargetTSF[1](%u) BeaconInterval(%u)"
				       " CapabilityInfo(%d) BSSID(%02X:%02X:%02X:%02X:%02X:%02X)",
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       ChanNum,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Spare,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       MeasDuration,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       PhyType,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       RecvSigPower,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       ParentTsf,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       TargetTsf[0],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       TargetTsf[1],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       BcnInterval,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       CapabilityInfo,
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[0],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[1],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[2],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[3],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[4],
				       roam_info->pEseBcnReportRsp->
				       bcnRepBssInfo[i +
						     lastSent].bcnReportFields.
				       Bssid[5]);

				/* bcn report fields are copied */
				len =
					sizeof(roam_info->pEseBcnReportRsp->
					       bcnRepBssInfo[i +
							     lastSent].
					       bcnReportFields);
				qdf_mem_copy(pos,
					     (char *)&roam_info->
					     pEseBcnReportRsp->bcnRepBssInfo[i +
									     lastSent].
					     bcnReportFields, len);
				pos += len;
				freeBytes -= len;

				/* Add 1 byte of ie len */
				len =
					roam_info->pEseBcnReportRsp->
					bcnRepBssInfo[i + lastSent].ieLen;
				qdf_mem_copy(pos, (char *)&len, sizeof(len));
				pos += sizeof(len);
				freeBytes -= sizeof(len);

				/* copy IE from scan results */
				qdf_mem_copy(pos,
					     (char *)roam_info->
					     pEseBcnReportRsp->bcnRepBssInfo[i +
									     lastSent].
					     pBuf, len);
				pos += len;
				freeBytes -= len;
			}

			wrqu.data.pointer = buf;
			wrqu.data.length = IW_CUSTOM_MAX - freeBytes;

			/* send the event */
			wireless_send_event(adapter->dev, IWEVCUSTOM, &wrqu,
					    buf);
			lastSent += sendBss;
		}
	}
}

#endif /* FEATURE_WLAN_ESE */

/**
 * hdd_is_8021x_sha256_auth_type() - check authentication type to 8021x_sha256
 * @sta_ctx:	Station Context
 *
 * API to check if the connection authentication type is 8021x_sha256.
 *
 * Return: bool
 */
#ifdef WLAN_FEATURE_11W
static inline bool
hdd_is_8021x_sha256_auth_type(struct hdd_station_ctx *sta_ctx)
{
	return eCSR_AUTH_TYPE_RSN_8021X_SHA256 ==
				sta_ctx->conn_info.authType;
}
#else
static inline bool
hdd_is_8021x_sha256_auth_type(struct hdd_station_ctx *sta_ctx)
{
	return false;
}
#endif

/*
 * hdd_roam_channel_switch_handler() - hdd channel switch handler
 * @adapter: Pointer to adapter context
 * @roam_info: Pointer to roam info
 *
 * Return: None
 */
static void hdd_roam_channel_switch_handler(struct hdd_adapter *adapter,
					    struct csr_roam_info *roam_info)
{
	struct hdd_chan_change_params chan_change;
	struct cfg80211_bss *bss;
	struct net_device *dev = adapter->dev;
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct wiphy *wiphy = wdev->wiphy;
	QDF_STATUS status;
	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	hdd_debug("channel switch for session:%d to channel:%d",
		adapter->session_id, roam_info->chan_info.chan_id);

	chan_change.chan = roam_info->chan_info.chan_id;
	chan_change.chan_params.ch_width =
		roam_info->chan_info.ch_width;
	chan_change.chan_params.sec_ch_offset =
		roam_info->chan_info.sec_ch_offset;
	chan_change.chan_params.center_freq_seg0 =
		roam_info->chan_info.band_center_freq1;
	chan_change.chan_params.center_freq_seg1 =
		roam_info->chan_info.band_center_freq2;

	bss = wlan_hdd_cfg80211_update_bss_db(adapter, roam_info);
	if (NULL == bss)
		hdd_err("%s: unable to create BSS entry", adapter->dev->name);
	else
		cfg80211_put_bss(wiphy, bss);

	status = hdd_chan_change_notify(adapter, adapter->dev, chan_change,
				roam_info->mode == SIR_SME_PHY_MODE_LEGACY);
	if (QDF_IS_STATUS_ERROR(status))
		hdd_err("channel change notification failed");

	hdd_debug("check for SAP restart");
	policy_mgr_check_concurrent_intf_and_restart_sap(hdd_ctx->hdd_psoc);

	status = policy_mgr_set_hw_mode_on_channel_switch(hdd_ctx->hdd_psoc,
		adapter->session_id);
	if (QDF_IS_STATUS_ERROR(status))
		hdd_debug("set hw mode change not done");
}

/**
 * hdd_sme_roam_callback() - hdd sme roam callback
 * @pContext: pointer to adapter context
 * @roam_info: pointer to roam info
 * @roamId: roam id
 * @roamStatus: roam status
 * @roamResult: roam result
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS
hdd_sme_roam_callback(void *pContext, struct csr_roam_info *roam_info,
		      uint32_t roamId,
		      eRoamCmdStatus roamStatus, eCsrRoamResult roamResult)
{
	QDF_STATUS qdf_ret_status = QDF_STATUS_SUCCESS;
	struct hdd_adapter *adapter = (struct hdd_adapter *) pContext;
	struct hdd_wext_state *pWextState = NULL;
	struct hdd_station_ctx *sta_ctx = NULL;
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	struct cfg80211_bss *bss_status;
	struct hdd_context *hdd_ctx;

	hdd_debug("CSR Callback: status= %d result= %d roamID=%d",
		 roamStatus, roamResult, roamId);

	/* Sanity check */
	if ((NULL == adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) {
		hdd_err("Invalid adapter or adapter has invalid magic");
		return QDF_STATUS_E_FAILURE;
	}

	pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
	sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
	hdd_ctx = WLAN_HDD_GET_CTX(adapter);

	/* Omitting eCSR_ROAM_UPDATE_SCAN_RESULT as this is too frequent */
	if (eCSR_ROAM_UPDATE_SCAN_RESULT != roamStatus)
		MTRACE(qdf_trace(QDF_MODULE_ID_HDD, TRACE_CODE_HDD_RX_SME_MSG,
				 adapter->session_id, roamStatus));

	switch (roamStatus) {
	/*
	 * We did pre-auth,then we attempted a 11r or ese reassoc.
	 * reassoc failed due to failure, timeout, reject from ap
	 * in any case tell the OS, our carrier is off and mark
	 * interface down.
	 */
	case eCSR_ROAM_FT_REASSOC_FAILED:
		hdd_err("Reassoc Failed with roamStatus: %d roamResult: %d SessionID: %d",
			 roamStatus, roamResult, adapter->session_id);
		qdf_ret_status =
			hdd_dis_connect_handler(adapter, roam_info, roamId,
						roamStatus, roamResult);
		sta_ctx->ft_carrier_on = false;
		sta_ctx->hdd_reassoc_scenario = false;
		hdd_debug("hdd_reassoc_scenario set to: %d, ReAssoc Failed, session: %d",
			  sta_ctx->hdd_reassoc_scenario, adapter->session_id);
		break;

	case eCSR_ROAM_FT_START:
		/*
		 * When we roam for ESE and 11r, we dont want the OS to be
		 * informed that the link is down. So mark the link ready for
		 * ft_start. After this the eCSR_ROAM_SHOULD_ROAM will
		 * be received. Where in we will not mark the link down
		 * Also we want to stop tx at this point when we will be
		 * doing disassoc at this time. This saves 30-60 msec
		 * after reassoc.
		 */
		hdd_debug("Disabling queues");
		hdd_debug("Roam Synch Ind: NAPI Serialize ON");
		hdd_napi_serialize(1);
		wlan_hdd_netif_queue_control(adapter,
				WLAN_STOP_ALL_NETIF_QUEUE,
				WLAN_CONTROL_PATH);
		status = hdd_roam_deregister_sta(adapter,
					sta_ctx->conn_info.staId[0]);
		if (!QDF_IS_STATUS_SUCCESS(status))
			qdf_ret_status = QDF_STATUS_E_FAILURE;
		sta_ctx->ft_carrier_on = true;
		sta_ctx->hdd_reassoc_scenario = true;
		hdd_debug("hdd_reassoc_scenario set to: %d, due to eCSR_ROAM_FT_START, session: %d",
			  sta_ctx->hdd_reassoc_scenario, adapter->session_id);
		break;
	case eCSR_ROAM_NAPI_OFF:
		hdd_debug("After Roam Synch Comp: NAPI Serialize OFF");
		hdd_napi_serialize(0);
		hdd_set_roaming_in_progress(false);
		if (roamResult == eCSR_ROAM_RESULT_FAILURE)
			adapter->roam_ho_fail = true;
		else
			adapter->roam_ho_fail = false;
		complete(&adapter->roaming_comp_var);
		break;
	case eCSR_ROAM_SHOULD_ROAM:
		/* notify apps that we can't pass traffic anymore */
		hdd_info("Disabling queues");
		wlan_hdd_netif_queue_control(adapter,
					   WLAN_STOP_ALL_NETIF_QUEUE,
					   WLAN_CONTROL_PATH);
		if (sta_ctx->ft_carrier_on == false) {
			wlan_hdd_netif_queue_control(adapter,
					   WLAN_NETIF_CARRIER_OFF,
					   WLAN_CONTROL_PATH);
		}
		break;
	case eCSR_ROAM_LOSTLINK:
		if (roamResult == eCSR_ROAM_RESULT_LOSTLINK) {
			hdd_debug("Roaming started due to connection lost");
			hdd_debug("Disabling queues");
			wlan_hdd_netif_queue_control(adapter,
					WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER,
					WLAN_CONTROL_PATH);
			break;
		}
	case eCSR_ROAM_DISASSOCIATED:
	{
		hdd_debug("****eCSR_ROAM_DISASSOCIATED****");
		hdd_napi_serialize(0);
		hdd_set_connection_in_progress(false);
		hdd_set_roaming_in_progress(false);
		adapter->roam_ho_fail = false;
		complete(&adapter->roaming_comp_var);

		/* Call to clear any MC Addr List filter applied after
		 * successful connection.
		 */
		hdd_disable_and_flush_mc_addr_list(adapter,
			pmo_peer_disconnect);
		qdf_ret_status =
			hdd_dis_connect_handler(adapter, roam_info, roamId,
						roamStatus, roamResult);
	}
	break;
	case eCSR_ROAM_IBSS_LEAVE:
		hdd_debug("****eCSR_ROAM_IBSS_LEAVE****");
		qdf_ret_status =
			hdd_dis_connect_handler(adapter, roam_info, roamId,
						roamStatus, roamResult);
		break;
	case eCSR_ROAM_ASSOCIATION_COMPLETION:
		hdd_debug("****eCSR_ROAM_ASSOCIATION_COMPLETION****");
		/*
		 * To Do - address probable memory leak with WEP encryption upon
		 * successful association.
		 */
		if (eCSR_ROAM_RESULT_ASSOCIATED != roamResult) {
			/* Clear saved connection information in HDD */
			hdd_conn_remove_connect_info(
				WLAN_HDD_GET_STATION_CTX_PTR(adapter));
		}
		qdf_ret_status =
			hdd_association_completion_handler(adapter, roam_info,
							   roamId, roamStatus,
							   roamResult);
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
		if (roam_info)
			roam_info->roamSynchInProgress = false;
#endif
		break;
	case eCSR_ROAM_CANCELLED:
		hdd_debug("****eCSR_ROAM_CANCELLED****");
	case eCSR_ROAM_ASSOCIATION_FAILURE:
		qdf_ret_status = hdd_association_completion_handler(adapter,
								    roam_info,
								    roamId,
								    roamStatus,
								    roamResult);
		break;
	case eCSR_ROAM_IBSS_IND:
		hdd_roam_ibss_indication_handler(adapter, roam_info, roamId,
						 roamStatus, roamResult);
		break;

	case eCSR_ROAM_CONNECT_STATUS_UPDATE:
		qdf_ret_status =
			roam_roam_connect_status_update_handler(adapter,
								roam_info,
								roamId,
								roamStatus,
								roamResult);
		break;

	case eCSR_ROAM_MIC_ERROR_IND:
		hdd_roam_mic_error_indication_handler(adapter, roam_info);
		break;

	case eCSR_ROAM_SET_KEY_COMPLETE:
	{
		qdf_ret_status =
			hdd_roam_set_key_complete_handler(adapter, roam_info,
							  roamId, roamStatus,
							  roamResult);
		if (eCSR_ROAM_RESULT_AUTHENTICATED == roamResult) {
			sta_ctx->hdd_reassoc_scenario = false;
			hdd_debug("hdd_reassoc_scenario set to: %d, set key complete, session: %d",
				  sta_ctx->hdd_reassoc_scenario,
				  adapter->session_id);
		}
	}
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
		if (roam_info != NULL)
			roam_info->roamSynchInProgress = false;
#endif
		break;

	case eCSR_ROAM_FT_RESPONSE:
		hdd_send_ft_event(adapter);
		break;

	case eCSR_ROAM_PMK_NOTIFY:
		if (eCSR_AUTH_TYPE_RSN == sta_ctx->conn_info.authType
				|| hdd_is_8021x_sha256_auth_type(sta_ctx)) {
			/* notify the supplicant of a new candidate */
			qdf_ret_status =
				wlan_hdd_cfg80211_pmksa_candidate_notify(
						adapter, roam_info, 1, false);
		}
		break;

#ifdef FEATURE_WLAN_LFR_METRICS
	case eCSR_ROAM_PREAUTH_INIT_NOTIFY:
		/* This event is to notify pre-auth initiation */
		if (QDF_STATUS_SUCCESS !=
		    wlan_hdd_cfg80211_roam_metrics_preauth(adapter,
							   roam_info)) {
			qdf_ret_status = QDF_STATUS_E_FAILURE;
		}
		break;
	case eCSR_ROAM_PREAUTH_STATUS_SUCCESS:
		/*
		 * This event will notify pre-auth completion in case of success
		 */
		if (QDF_STATUS_SUCCESS !=
		    wlan_hdd_cfg80211_roam_metrics_preauth_status(adapter,
							 roam_info, 1)) {
			qdf_ret_status = QDF_STATUS_E_FAILURE;
		}
		break;
	case eCSR_ROAM_PREAUTH_STATUS_FAILURE:
		/*
		 * This event will notify pre-auth completion incase of failure.
		 */
		if (QDF_STATUS_SUCCESS !=
		    wlan_hdd_cfg80211_roam_metrics_preauth_status(adapter,
								roam_info, 0)) {
			qdf_ret_status = QDF_STATUS_E_FAILURE;
		}
		break;
	case eCSR_ROAM_HANDOVER_SUCCESS:
		/* This event is to notify handover success.
		 * It will be only invoked on success
		 */
		if (QDF_STATUS_SUCCESS !=
		    wlan_hdd_cfg80211_roam_metrics_handover(adapter,
							    roam_info)) {
			qdf_ret_status = QDF_STATUS_E_FAILURE;
		}
		break;
#endif
#ifdef WLAN_FEATURE_11W
	case eCSR_ROAM_UNPROT_MGMT_FRAME_IND:
		hdd_indicate_unprot_mgmt_frame(adapter,
					       roam_info->nFrameLength,
					       roam_info->pbFrames,
					       roam_info->frameType);
		break;
#endif
#ifdef FEATURE_WLAN_ESE
	case eCSR_ROAM_TSM_IE_IND:
		hdd_indicate_tsm_ie(adapter, roam_info->tsmIe.tsid,
				    roam_info->tsmIe.state,
				    roam_info->tsmIe.msmt_interval);
		break;

	case eCSR_ROAM_CCKM_PREAUTH_NOTIFY:
	{
		if (eCSR_AUTH_TYPE_CCKM_WPA ==
		    sta_ctx->conn_info.authType
		    || eCSR_AUTH_TYPE_CCKM_RSN ==
		    sta_ctx->conn_info.authType) {
			hdd_indicate_cckm_pre_auth(adapter, roam_info);
		}
		break;
	}

	case eCSR_ROAM_ESE_ADJ_AP_REPORT_IND:
	{
		hdd_indicate_ese_adj_ap_rep_ind(adapter, roam_info);
		break;
	}

	case eCSR_ROAM_ESE_BCN_REPORT_IND:
	{
		hdd_indicate_ese_bcn_report_ind(adapter, roam_info);
		break;
	}
#endif /* FEATURE_WLAN_ESE */
	case eCSR_ROAM_STA_CHANNEL_SWITCH:
		hdd_roam_channel_switch_handler(adapter, roam_info);
		break;

	case eCSR_ROAM_UPDATE_SCAN_RESULT:
		if ((NULL != roam_info) && (NULL != roam_info->pBssDesc)) {
			bss_status = wlan_hdd_cfg80211_inform_bss_frame(
					adapter, roam_info->pBssDesc);
			if (NULL == bss_status)
				hdd_debug("UPDATE_SCAN_RESULT returned NULL");
			else
				cfg80211_put_bss(
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) || defined(WITH_BACKPORTS)
					(WLAN_HDD_GET_CTX(adapter))->wiphy,
#endif
					bss_status);
		}
		break;
	case eCSR_ROAM_NDP_STATUS_UPDATE:
		hdd_ndp_event_handler(adapter, roam_info, roamId, roamStatus,
			roamResult);
		break;
	case eCSR_ROAM_START:
		hdd_debug("Process ROAM_START from firmware");
		wlan_hdd_netif_queue_control(adapter,
				WLAN_STOP_ALL_NETIF_QUEUE,
				WLAN_CONTROL_PATH);
		hdd_napi_serialize(1);
		hdd_set_connection_in_progress(true);
		hdd_set_roaming_in_progress(true);
		policy_mgr_restart_opportunistic_timer(hdd_ctx->hdd_psoc, true);
		break;
	case eCSR_ROAM_ABORT:
		hdd_debug("Firmware aborted roaming operation, previous connection is still valid");
		hdd_napi_serialize(0);
		wlan_hdd_netif_queue_control(adapter,
				WLAN_WAKE_ALL_NETIF_QUEUE,
				WLAN_CONTROL_PATH);
		hdd_set_connection_in_progress(false);
		hdd_set_roaming_in_progress(false);
		adapter->roam_ho_fail = false;
		sta_ctx->ft_carrier_on = false;
		complete(&adapter->roaming_comp_var);
		break;

	default:
		break;
	}
	return qdf_ret_status;
}

#ifdef WLAN_FEATURE_FILS_SK
/**
 * hdd_translate_fils_rsn_to_csr_auth() - Translate FILS RSN to CSR auth type
 * @auth_suite: auth suite
 * @auth_type: pointer to eCsrAuthType
 *
 * Return: None
 */
static void hdd_translate_fils_rsn_to_csr_auth(int8_t auth_suite[4],
					eCsrAuthType *auth_type)
{
	if (!memcmp(auth_suite, ccp_rsn_oui_0e, 4))
		*auth_type = eCSR_AUTH_TYPE_FILS_SHA256;
	else if (!memcmp(auth_suite, ccp_rsn_oui_0f, 4))
		*auth_type = eCSR_AUTH_TYPE_FILS_SHA384;
	else if (!memcmp(auth_suite, ccp_rsn_oui_10, 4))
		*auth_type = eCSR_AUTH_TYPE_FT_FILS_SHA256;
	else if (!memcmp(auth_suite, ccp_rsn_oui_11, 4))
		*auth_type = eCSR_AUTH_TYPE_FT_FILS_SHA384;
}
#else
static inline void hdd_translate_fils_rsn_to_csr_auth(int8_t auth_suite[4],
					eCsrAuthType *auth_type)
{
}
#endif

/**
 * hdd_translate_rsn_to_csr_auth_type() - Translate RSN to CSR auth type
 * @auth_suite: auth suite
 *
 * Return: eCsrAuthType enumeration
 */
eCsrAuthType hdd_translate_rsn_to_csr_auth_type(uint8_t auth_suite[4])
{
	eCsrAuthType auth_type = eCSR_AUTH_TYPE_UNKNOWN;
	/* is the auth type supported? */
	if (memcmp(auth_suite, ccp_rsn_oui01, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_RSN;
	} else if (memcmp(auth_suite, ccp_rsn_oui02, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_RSN_PSK;
	} else if (memcmp(auth_suite, ccp_rsn_oui04, 4) == 0) {
		/* Check for 11r FT Authentication with PSK */
		auth_type = eCSR_AUTH_TYPE_FT_RSN_PSK;
	} else if (memcmp(auth_suite, ccp_rsn_oui03, 4) == 0) {
		/* Check for 11R FT Authentication with 802.1X */
		auth_type = eCSR_AUTH_TYPE_FT_RSN;
	} else
#ifdef FEATURE_WLAN_ESE
	if (memcmp(auth_suite, ccp_rsn_oui06, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_CCKM_RSN;
	} else
#endif /* FEATURE_WLAN_ESE */
#ifdef WLAN_FEATURE_11W
	if (memcmp(auth_suite, ccp_rsn_oui07, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_RSN_PSK_SHA256;
	} else if (memcmp(auth_suite, ccp_rsn_oui08, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_RSN_8021X_SHA256;
	} else if (memcmp(auth_suite, ccp_rsn_oui_18, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_OWE;
	} else
#endif
	if (memcmp(auth_suite, ccp_rsn_oui_12, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_DPP_RSN;
	} else
	{
		hdd_translate_fils_rsn_to_csr_auth(auth_suite, &auth_type);
	}
	hdd_debug("auth_type: %d", auth_type);
	return auth_type;
}

/**
 * hdd_translate_wpa_to_csr_auth_type() - Translate WPA to CSR auth type
 * @auth_suite: auth suite
 *
 * Return: eCsrAuthType enumeration
 */
eCsrAuthType hdd_translate_wpa_to_csr_auth_type(uint8_t auth_suite[4])
{
	eCsrAuthType auth_type = eCSR_AUTH_TYPE_UNKNOWN;
	/* is the auth type supported? */
	if (memcmp(auth_suite, ccp_wpa_oui01, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_WPA;
	} else if (memcmp(auth_suite, ccp_wpa_oui02, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_WPA_PSK;
	} else
#ifdef FEATURE_WLAN_ESE
	if (memcmp(auth_suite, ccp_wpa_oui06, 4) == 0) {
		auth_type = eCSR_AUTH_TYPE_CCKM_WPA;
	} else
#endif /* FEATURE_WLAN_ESE */
	{
		hdd_translate_fils_rsn_to_csr_auth(auth_suite, &auth_type);
	}
	hdd_debug("auth_type: %d", auth_type);
	return auth_type;
}

/**
 * hdd_translate_rsn_to_csr_encryption_type() -
 *	Translate RSN to CSR encryption type
 * @cipher_suite: cipher suite
 *
 * Return: eCsrEncryptionType enumeration
 */
eCsrEncryptionType
hdd_translate_rsn_to_csr_encryption_type(uint8_t cipher_suite[4])
{
	eCsrEncryptionType cipher_type;

	if (memcmp(cipher_suite, ccp_rsn_oui04, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_AES;
	else if (memcmp(cipher_suite, ccp_rsn_oui09, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_AES_GCMP;
	else if (memcmp(cipher_suite, ccp_rsn_oui0a, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_AES_GCMP_256;
	else if (memcmp(cipher_suite, ccp_rsn_oui02, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_TKIP;
	else if (memcmp(cipher_suite, ccp_rsn_oui00, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_NONE;
	else if (memcmp(cipher_suite, ccp_rsn_oui01, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_WEP40_STATICKEY;
	else if (memcmp(cipher_suite, ccp_rsn_oui05, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_WEP104_STATICKEY;
	else
		cipher_type = eCSR_ENCRYPT_TYPE_FAILED;

	hdd_debug("cipher_type: %d", cipher_type);
	return cipher_type;
}

/**
 * hdd_translate_wpa_to_csr_encryption_type() -
 *	Translate WPA to CSR encryption type
 * @cipher_suite: cipher suite
 *
 * Return: eCsrEncryptionType enumeration
 */
eCsrEncryptionType
hdd_translate_wpa_to_csr_encryption_type(uint8_t cipher_suite[4])
{
	eCsrEncryptionType cipher_type;

	if (memcmp(cipher_suite, ccp_wpa_oui04, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_AES;
	else if (memcmp(cipher_suite, ccp_wpa_oui02, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_TKIP;
	else if (memcmp(cipher_suite, ccp_wpa_oui00, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_NONE;
	else if (memcmp(cipher_suite, ccp_wpa_oui01, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_WEP40_STATICKEY;
	else if (memcmp(cipher_suite, ccp_wpa_oui05, 4) == 0)
		cipher_type = eCSR_ENCRYPT_TYPE_WEP104_STATICKEY;
	else
		cipher_type = eCSR_ENCRYPT_TYPE_FAILED;

	hdd_debug("cipher_type: %d", cipher_type);
	return cipher_type;
}

#ifdef WLAN_FEATURE_FILS_SK
/*
 * hdd_is_fils_connection: API to determine if connection is FILS
 * @adapter: hdd adapter
 *
 * Return: true if fils connection else false
 */
static inline bool hdd_is_fils_connection(struct hdd_adapter *adapter)
{
	struct hdd_wext_state *wext_state =
		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);

	if (wext_state->roamProfile.fils_con_info)
		return wext_state->roamProfile.
			fils_con_info->is_fils_connection;
}
#else
static inline bool hdd_is_fils_connection(struct hdd_adapter *adapter)
{
	return false;
}
#endif

/**
 * hdd_process_genie() - process gen ie
 * @adapter: pointer to adapter
 * @bssid: pointer to mac address
 * @pEncryptType: pointer to encryption type
 * @mcEncryptType: pointer to multicast encryption type
 * @pAuthType: pointer to auth type
 *
 * Return: 0 on success, error number otherwise
 */
static int32_t hdd_process_genie(struct hdd_adapter *adapter,
				 u8 *bssid,
				 eCsrEncryptionType *pEncryptType,
				 eCsrEncryptionType *mcEncryptType,
				 eCsrAuthType *pAuthType,
#ifdef WLAN_FEATURE_11W
				 uint8_t *pMfpRequired, uint8_t *pMfpCapable,
#endif
				 uint16_t gen_ie_len, uint8_t *gen_ie)
{
	tHalHandle halHandle = WLAN_HDD_GET_HAL_CTX(adapter);
	tDot11fIERSN dot11RSNIE;
	tDot11fIEWPA dot11WPAIE;
	uint8_t *pRsnIe;
	uint16_t RSNIeLen;

	/*
	 * Clear struct of tDot11fIERSN and tDot11fIEWPA specifically
	 * setting present flag to 0.
	 */
	memset(&dot11WPAIE, 0, sizeof(tDot11fIEWPA));
	memset(&dot11RSNIE, 0, sizeof(tDot11fIERSN));

	/* Type check */
	if (gen_ie[0] == DOT11F_EID_RSN) {
		/* Validity checks */
		if ((gen_ie_len < DOT11F_IE_RSN_MIN_LEN) ||
		    (gen_ie_len > DOT11F_IE_RSN_MAX_LEN)) {
			hdd_err("Invalid DOT11F RSN IE length: %d",
				gen_ie_len);
			return -EINVAL;
		}
		/* Skip past the EID byte and length byte */
		pRsnIe = gen_ie + 2;
		RSNIeLen = gen_ie_len - 2;
		/* Unpack the RSN IE */
		dot11f_unpack_ie_rsn((tpAniSirGlobal) halHandle,
				     pRsnIe, RSNIeLen, &dot11RSNIE, false);
		/* Copy out the encryption and authentication types */
		hdd_debug("pairwise cipher suite count: %d",
			 dot11RSNIE.pwise_cipher_suite_count);
		hdd_debug("authentication suite count: %d",
			 dot11RSNIE.akm_suite_count);
		/* dot11RSNIE.akm_suite_count */
		/* Just translate the FIRST one */
		*pAuthType =
			hdd_translate_rsn_to_csr_auth_type(
					dot11RSNIE.akm_suites[0]);
		/* dot11RSNIE.pwise_cipher_suite_count */
		*pEncryptType =
			hdd_translate_rsn_to_csr_encryption_type(
					dot11RSNIE.pwise_cipher_suites[0]);
		/* dot11RSNIE.gp_cipher_suite_count */
		*mcEncryptType =
			hdd_translate_rsn_to_csr_encryption_type(
					dot11RSNIE.gp_cipher_suite);
#ifdef WLAN_FEATURE_11W
		*pMfpRequired = (dot11RSNIE.RSN_Cap[0] >> 6) & 0x1;
		*pMfpCapable = csr_is_mfpc_capable(&dot11RSNIE);
#endif
	} else if (gen_ie[0] == DOT11F_EID_WPA) {
		/* Validity checks */
		if ((gen_ie_len < DOT11F_IE_WPA_MIN_LEN) ||
		    (gen_ie_len > DOT11F_IE_WPA_MAX_LEN)) {
			hdd_err("Invalid DOT11F WPA IE length: %d",
				gen_ie_len);
			return -EINVAL;
		}
		/* Skip past the EID and length byte - and four byte WiFi OUI */
		pRsnIe = gen_ie + 2 + 4;
		RSNIeLen = gen_ie_len - (2 + 4);
		/* Unpack the WPA IE */
		dot11f_unpack_ie_wpa((tpAniSirGlobal) halHandle,
				     pRsnIe, RSNIeLen, &dot11WPAIE, false);
		/* Copy out the encryption and authentication types */
		hdd_debug("WPA unicast cipher suite count: %d",
			 dot11WPAIE.unicast_cipher_count);
		hdd_debug("WPA authentication suite count: %d",
			 dot11WPAIE.auth_suite_count);
		/* dot11WPAIE.auth_suite_count */
		/* Just translate the FIRST one */
		*pAuthType =
			hdd_translate_wpa_to_csr_auth_type(
					dot11WPAIE.auth_suites[0]);
		/* dot11WPAIE.unicast_cipher_count */
		*pEncryptType =
			hdd_translate_wpa_to_csr_encryption_type(
					dot11WPAIE.unicast_ciphers[0]);
		/* dot11WPAIE.unicast_cipher_count */
		*mcEncryptType =
			hdd_translate_wpa_to_csr_encryption_type(
					dot11WPAIE.multicast_cipher);
	} else {
		hdd_warn("gen_ie[0]: %d", gen_ie[0]);
		return -EINVAL;
	}
	return 0;
}

/**
 * hdd_set_genie_to_csr() - set genie to csr
 * @adapter: pointer to adapter
 * @RSNAuthType: pointer to auth type
 *
 * Return: 0 on success, error number otherwise
 */
int hdd_set_genie_to_csr(struct hdd_adapter *adapter,
			 eCsrAuthType *RSNAuthType)
{
	struct hdd_wext_state *pWextState =
		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
	uint32_t status = 0;
	eCsrEncryptionType RSNEncryptType;
	eCsrEncryptionType mcRSNEncryptType;
#ifdef WLAN_FEATURE_11W
	uint8_t RSNMfpRequired = 0;
	uint8_t RSNMfpCapable = 0;
#endif
	u8 bssid[ETH_ALEN];        /* MAC address of assoc peer */
	/* MAC address of assoc peer */
	/* But, this routine is only called when we are NOT associated. */
	qdf_mem_copy(bssid,
		     pWextState->roamProfile.BSSIDs.bssid,
		     sizeof(bssid));
	if (pWextState->WPARSNIE[0] == DOT11F_EID_RSN
	    || pWextState->WPARSNIE[0] == DOT11F_EID_WPA) {
		/* continue */
	} else {
		return 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_process_genie(adapter, bssid,
				   &RSNEncryptType,
				   &mcRSNEncryptType, RSNAuthType,
#ifdef WLAN_FEATURE_11W
				   &RSNMfpRequired, &RSNMfpCapable,
#endif
				   pWextState->WPARSNIE[1] + 2,
				   pWextState->WPARSNIE);
	if (status == 0) {
		/*
		 * Now copy over all the security attributes
		 * you have parsed out.
		 */
		pWextState->roamProfile.EncryptionType.numEntries = 1;
		pWextState->roamProfile.mcEncryptionType.numEntries = 1;

		/* Use the cipher type in the RSN IE */
		pWextState->roamProfile.EncryptionType.encryptionType[0] =
			RSNEncryptType;
		pWextState->roamProfile.mcEncryptionType.encryptionType[0] =
			mcRSNEncryptType;

		if ((QDF_IBSS_MODE == adapter->device_mode) &&
		    ((eCSR_ENCRYPT_TYPE_AES == mcRSNEncryptType) ||
		     (eCSR_ENCRYPT_TYPE_AES_GCMP == mcRSNEncryptType) ||
		     (eCSR_ENCRYPT_TYPE_AES_GCMP_256 == mcRSNEncryptType) ||
		     (eCSR_ENCRYPT_TYPE_TKIP == mcRSNEncryptType))) {
			/*
			 * For wpa none supplicant sends the WPA IE with unicast
			 * cipher as eCSR_ENCRYPT_TYPE_NONE ,where as the
			 * multicast cipher as either AES/TKIP based on group
			 * cipher configuration mentioned in the
			 * wpa_supplicant.conf.
			 */

			/* Set the unicast cipher same as multicast cipher */
			pWextState->roamProfile.EncryptionType.encryptionType[0]
				= mcRSNEncryptType;
		}
#ifdef WLAN_FEATURE_11W
		hdd_debug("RSNMfpRequired = %d, RSNMfpCapable = %d",
			 RSNMfpRequired, RSNMfpCapable);
		pWextState->roamProfile.MFPRequired = RSNMfpRequired;
		pWextState->roamProfile.MFPCapable = RSNMfpCapable;
#endif
		hdd_debug("CSR AuthType = %d, EncryptionType = %d mcEncryptionType = %d",
			 *RSNAuthType, RSNEncryptType, mcRSNEncryptType);
	}
	return 0;
}

#ifdef WLAN_FEATURE_FILS_SK
/**
 * hdd_check_fils_rsn_n_set_auth_type() - This API checks whether a give
 * auth type is fils if yes, sets it in profile.
 * @rsn_auth_type: auth type
 *
 * Return: true if FILS auth else false
 */
static bool hdd_check_fils_rsn_n_set_auth_type(tCsrRoamProfile *roam_profile,
			    eCsrAuthType rsn_auth_type)
{
	bool is_fils_rsn = false;

	if (!roam_profile->fils_con_info)
		return false;

	if ((rsn_auth_type == eCSR_AUTH_TYPE_FILS_SHA256) ||
	   (rsn_auth_type == eCSR_AUTH_TYPE_FILS_SHA384) ||
	   (rsn_auth_type == eCSR_AUTH_TYPE_FT_FILS_SHA256) ||
	   (rsn_auth_type == eCSR_AUTH_TYPE_FT_FILS_SHA384))
		is_fils_rsn = true;
	if (is_fils_rsn)
		roam_profile->fils_con_info->akm_type = rsn_auth_type;

	return is_fils_rsn;
}
#else
static bool hdd_check_fils_rsn_n_set_auth_type(tCsrRoamProfile *roam_profile,
			    eCsrAuthType rsn_auth_type)
{
	return false;
}
#endif

/**
 * hdd_set_csr_auth_type() - set csr auth type
 * @adapter: pointer to adapter
 * @RSNAuthType: auth type
 *
 * Return: 0 on success, error number otherwise
 */
int hdd_set_csr_auth_type(struct hdd_adapter *adapter,
			  eCsrAuthType RSNAuthType)
{
	struct hdd_wext_state *pWextState =
		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
	tCsrRoamProfile *roam_profile = &(pWextState->roamProfile);
	struct hdd_station_ctx *sta_ctx =
		WLAN_HDD_GET_STATION_CTX_PTR(adapter);

	roam_profile->AuthType.numEntries = 1;
	hdd_debug("authType = %d RSNAuthType %d wpa_versions %d",
		  sta_ctx->conn_info.authType, RSNAuthType,
		  sta_ctx->wpa_versions);

	switch (sta_ctx->conn_info.authType) {
	case eCSR_AUTH_TYPE_OPEN_SYSTEM:
#ifdef FEATURE_WLAN_ESE
	case eCSR_AUTH_TYPE_CCKM_WPA:
	case eCSR_AUTH_TYPE_CCKM_RSN:
#endif
		if (!sta_ctx->wpa_versions) {

			roam_profile->AuthType.authType[0] =
				eCSR_AUTH_TYPE_OPEN_SYSTEM;
		} else if (sta_ctx->wpa_versions & NL80211_WPA_VERSION_1) {

#ifdef FEATURE_WLAN_ESE
			if ((RSNAuthType == eCSR_AUTH_TYPE_CCKM_WPA) &&
			    ((pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
			     == IW_AUTH_KEY_MGMT_802_1X)) {
				hdd_debug("set authType to CCKM WPA. AKM also 802.1X.");
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_CCKM_WPA;
			} else if (RSNAuthType == eCSR_AUTH_TYPE_CCKM_WPA) {
				hdd_debug("Last chance to set authType to CCKM WPA.");
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_CCKM_WPA;
			} else
#endif
			if ((pWextState->
			     authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
			    == IW_AUTH_KEY_MGMT_802_1X) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_WPA;
			} else
			if ((pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_PSK)
			    == IW_AUTH_KEY_MGMT_PSK) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_WPA_PSK;
			} else {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_WPA_NONE;
			}
		}
		if (sta_ctx->wpa_versions & NL80211_WPA_VERSION_2) {
#ifdef FEATURE_WLAN_ESE
			if ((RSNAuthType == eCSR_AUTH_TYPE_CCKM_RSN) &&
			    ((pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
			     == IW_AUTH_KEY_MGMT_802_1X)) {
				hdd_debug("set authType to CCKM RSN. AKM also 802.1X.");
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_CCKM_RSN;
			} else if (RSNAuthType == eCSR_AUTH_TYPE_CCKM_RSN) {
				hdd_debug("Last chance to set authType to CCKM RSN.");
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_CCKM_RSN;
			} else
#endif
			if (RSNAuthType == eCSR_AUTH_TYPE_DPP_RSN) {
				roam_profile->AuthType.authType[0] =
							eCSR_AUTH_TYPE_DPP_RSN;
			} else if ((RSNAuthType == eCSR_AUTH_TYPE_FT_RSN) &&
			    ((pWextState->
			      authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
			     == IW_AUTH_KEY_MGMT_802_1X)) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_FT_RSN;
			} else if ((RSNAuthType == eCSR_AUTH_TYPE_FT_RSN_PSK)
				   &&
				   ((pWextState->
				     authKeyMgmt & IW_AUTH_KEY_MGMT_PSK)
				    == IW_AUTH_KEY_MGMT_PSK)) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_FT_RSN_PSK;
			} else

#ifdef WLAN_FEATURE_11W
			if (RSNAuthType == eCSR_AUTH_TYPE_RSN_PSK_SHA256) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_RSN_PSK_SHA256;
			} else if (RSNAuthType ==
				   eCSR_AUTH_TYPE_RSN_8021X_SHA256) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_RSN_8021X_SHA256;
			} else
#endif
			if (hdd_check_fils_rsn_n_set_auth_type(roam_profile,
				RSNAuthType)) {
				roam_profile->AuthType.authType[0] =
					RSNAuthType;
				hdd_debug("updated profile authtype as %d",
					RSNAuthType);

			} else if ((RSNAuthType == eCSR_AUTH_TYPE_OWE) &&
				  ((pWextState->
				  authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
				  == IW_AUTH_KEY_MGMT_802_1X)) {
				/* OWE case */
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_OWE;
			} else if ((pWextState->
			     authKeyMgmt & IW_AUTH_KEY_MGMT_802_1X)
			    == IW_AUTH_KEY_MGMT_802_1X) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_RSN;
			} else
			if ((pWextState->authKeyMgmt & IW_AUTH_KEY_MGMT_PSK)
			    == IW_AUTH_KEY_MGMT_PSK) {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_RSN_PSK;
			} else {
				roam_profile->AuthType.authType[0] =
					eCSR_AUTH_TYPE_UNKNOWN;
			}
		}
		break;

	case eCSR_AUTH_TYPE_SHARED_KEY:

		roam_profile->AuthType.authType[0] = eCSR_AUTH_TYPE_SHARED_KEY;
		break;
	default:

#ifdef FEATURE_WLAN_ESE
		hdd_debug("In default, unknown auth type.");
#endif /* FEATURE_WLAN_ESE */
		roam_profile->AuthType.authType[0] = eCSR_AUTH_TYPE_UNKNOWN;
		break;
	}

	hdd_debug("Set roam Authtype to %d",
		 pWextState->roamProfile.AuthType.authType[0]);

	return 0;
}