core/wma/src/wma_scan_roam.c

/*
 * Copyright (c) 2013-2017 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:    wma_scan_roam.c
 *  This file contains functions related to scan and
 *  roaming functionality.
 */

/* Header files */

#include "wma.h"
#include "wma_api.h"
#include "cds_api.h"
#include "wmi_unified_api.h"
#include "wlan_qct_sys.h"
#include "wni_api.h"
#include "ani_global.h"
#include "wmi_unified.h"
#include "wni_cfg.h"
#include "cfg_api.h"
#include <cdp_txrx_peer_ops.h>
#include <cdp_txrx_cfg.h>

#include "qdf_nbuf.h"
#include "qdf_types.h"
#include "qdf_mem.h"

#include "wma_types.h"
#include "lim_api.h"
#include "lim_session_utils.h"

#include "cds_utils.h"
#include "wlan_policy_mgr_api.h"

#if !defined(REMOVE_PKT_LOG)
#include "pktlog_ac.h"
#endif /* REMOVE_PKT_LOG */

#include "dbglog_host.h"
#include "csr_api.h"
#include "ol_fw.h"

#include "wma_internal.h"
#include "wlan_tgt_def_config.h"
#include "wlan_reg_services_api.h"

/* This is temporary, should be removed */
#include "ol_htt_api.h"
#include <cdp_txrx_handle.h>
#include "wma_he.h"
#include <wlan_scan_public_structs.h>
#include <wlan_scan_ucfg_api.h>

#define WMA_MCC_MIRACAST_REST_TIME 400
#define WMA_SCAN_ID_MASK 0x0fff

#ifdef FEATURE_WLAN_EXTSCAN
/**
 * enum extscan_report_events_type - extscan report events type
 * @EXTSCAN_REPORT_EVENTS_BUFFER_FULL: report only when scan history is % full
 * @EXTSCAN_REPORT_EVENTS_EACH_SCAN: report a scan completion event after scan
 * @EXTSCAN_REPORT_EVENTS_FULL_RESULTS: forward scan results
 *		(beacons/probe responses + IEs)
 *		in real time to HAL, in addition to completion events.
 *		Note: To keep backward compatibility,
 *		fire completion events regardless of REPORT_EVENTS_EACH_SCAN.
 * @EXTSCAN_REPORT_EVENTS_NO_BATCH: controls batching,
 *		0 => batching, 1 => no batching
 * @EXTSCAN_REPORT_EVENTS_CONTEXT_HUB: forward results to context hub
 */
enum extscan_report_events_type {
	EXTSCAN_REPORT_EVENTS_BUFFER_FULL   = 0x00,
	EXTSCAN_REPORT_EVENTS_EACH_SCAN     = 0x01,
	EXTSCAN_REPORT_EVENTS_FULL_RESULTS  = 0x02,
	EXTSCAN_REPORT_EVENTS_NO_BATCH      = 0x04,
	EXTSCAN_REPORT_EVENTS_CONTEXT_HUB   = 0x08,
};

#define WMA_EXTSCAN_CYCLE_WAKE_LOCK_DURATION (5 * 1000) /* in msec */
#endif

/**
 * wma_dec_pending_scans() - Decrements the number of pending scans
 * @wma:	The WMA handle to operate on
 *
 * Return: none
 */
static void wma_dec_pending_scans(tp_wma_handle wma)
{
	int32_t scan_cnt = qdf_atomic_read(&wma->num_pending_scans);

	if (scan_cnt <= 0) {
		WMA_LOGE("Stopping pending scan, but no scans were pending!");
		return;
	}

	qdf_atomic_dec(&wma->num_pending_scans);
	WMA_LOGD("Ending pending scan: %d <- %d", scan_cnt, scan_cnt - 1);
}

/**
 * wma_inc_pending_scans() - Increments the number of pending scans
 * @wma:	The WMA handle to operate on
 *
 * Return: none
 */
static void wma_inc_pending_scans(tp_wma_handle wma)
{
	int32_t scan_cnt = qdf_atomic_inc_return(&wma->num_pending_scans);

	WMA_LOGD("Starting pending scan: %d -> %d", scan_cnt - 1, scan_cnt);
}

/**
 * wma_is_mcc_24G() - check that if device is in 2.4GHz MCC
 * @handle: wma handle
 *
 * Return: true/false
 */
static bool wma_is_mcc_24G(WMA_HANDLE handle)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	int32_t prev_chan = 0;
	int32_t i;

	if (NULL == wma_handle) {
		WMA_LOGE("%s: wma_handle is NULL", __func__);
		return false;
	}
	for (i = 0; i < wma_handle->max_bssid; i++) {
		if (wma_handle->interfaces[i].handle &&
				wma_is_vdev_up(i)) {
			if ((prev_chan != 0 &&
				prev_chan != wma_handle->interfaces[i].mhz) &&
				(wma_handle->interfaces[i].mhz <=
				 CDS_CHAN_14_FREQ))
				return true;
			prev_chan = wma_handle->interfaces[i].mhz;
		}
	}
	return false;
}

static inline int wma_get_burst_duration(int max_ch_time, int miracast_value)
{
	int burst_duration = 0;

	if (miracast_value) {
		/* When miracast is running, burst
		 * duration needs to be minimum to avoid
		 * any stutter or glitch in miracast
		 * during station scan
		 */
		if (max_ch_time <= WMA_GO_MIN_ACTIVE_SCAN_BURST_DURATION)
			burst_duration = max_ch_time;
		else
			burst_duration = WMA_GO_MIN_ACTIVE_SCAN_BURST_DURATION;
	} else {
		/* If miracast is not running, accommodate max
		 * stations to make the scans faster
		 */
		burst_duration = WMA_BURST_SCAN_MAX_NUM_OFFCHANNELS *
						max_ch_time;
		if (burst_duration > WMA_GO_MAX_ACTIVE_SCAN_BURST_DURATION) {
			uint8_t channels = WMA_P2P_SCAN_MAX_BURST_DURATION /
								 max_ch_time;

			if (channels)
				burst_duration = channels * max_ch_time;
			else
				burst_duration =
					 WMA_GO_MAX_ACTIVE_SCAN_BURST_DURATION;
		}
	}
	return burst_duration;
}

/**
 * wma_get_buf_start_scan_cmd() - Fill start scan command
 * @wma_handle: wma handle
 * @scan_req: scan request
 * @cmd: wmi buffer to be filled in
 *
 * Fill individual elements of wmi_start_scan_req and TLV for
 * channel list, bssid, ssid etc.
 *
 * Return: QDF status
 */
QDF_STATUS wma_get_buf_start_scan_cmd(tp_wma_handle wma_handle,
				      tSirScanOffloadReq *scan_req,
				      struct scan_req_params *cmd)
{
	QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE;
	uint32_t dwell_time;
	uint8_t SSID_num;
	int i;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGP("%s: pMac is NULL!", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	cmd->vdev_id = scan_req->sessionId;
	/*
	 * host cycles through the lower 12 bits for scan id generation
	 * and prefix 0xA000 to scan id
	 */
	if (scan_req->scan_id < WMA_HOST_SCAN_REQID_PREFIX) {
		WMA_LOGE("Received scan_id 0x%x is wrong",
			 cmd->scan_id);
		scan_req->scan_id = scan_req->scan_id & WMA_SCAN_ID_MASK;
		/* Appending the 0xA000 to scan Id*/
		cmd->scan_id = scan_req->scan_id | WMA_HOST_SCAN_REQID_PREFIX;
	} else {
		cmd->scan_id = scan_req->scan_id;
	}
	cmd->scan_priority = WMI_SCAN_PRIORITY_LOW;
	cmd->scan_req_id = scan_req->scan_requestor_id;

	if (PREAUTH_REQUESTOR_ID == cmd->scan_req_id)
		cmd->scan_priority = WMI_SCAN_PRIORITY_VERY_HIGH;

	/* Set the scan events which the driver is intereseted to receive */
	/* TODO: handle all the other flags also */
	cmd->scan_events = WMI_SCAN_EVENT_STARTED |
				  WMI_SCAN_EVENT_START_FAILED |
				  WMI_SCAN_EVENT_FOREIGN_CHANNEL |
				  WMI_SCAN_EVENT_COMPLETED |
				  WMI_SCAN_EVENT_DEQUEUED |
				  WMI_SCAN_EVENT_PREEMPTED |
				  WMI_SCAN_EVENT_RESTARTED;

	cmd->dwell_time_active = scan_req->maxChannelTime;

	if (scan_req->scanType == eSIR_ACTIVE_SCAN) {
		/* In Active scan case, the firmware has to do passive scan on
		 * DFS channels So the passive scan duration should be updated
		 * properly so that the duration will be sufficient enough to
		 * receive the beacon from AP
		 */
		if (wlan_cfg_get_int(pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME,
				     &dwell_time) != eSIR_SUCCESS) {
			WMA_LOGE("Failed to get passive max channel value using default value");
			dwell_time = WMA_DWELL_TIME_PASSIVE_DEFAULT;
		}
		cmd->dwell_time_passive = dwell_time;
	} else
		cmd->dwell_time_passive = scan_req->maxChannelTime;

	/* Ensure correct number of probes are sent on active channel */
	cmd->repeat_probe_time =
		cmd->dwell_time_active / WMA_SCAN_NPROBES_DEFAULT;

	/* CSR sends min_rest_Time, max_rest_time and idle_time
	 * for staying on home channel to continue data traffic.
	 * Rome fw has facility to monitor the traffic
	 * and move to next channel. Stay on the channel for min_rest_time
	 * and then leave if there is no traffic.
	 */
	cmd->min_rest_time = scan_req->min_rest_time;
	cmd->max_rest_time = scan_req->restTime;

	/* Check for traffic at idle_time interval after min_rest_time.
	 * Default value is 25 ms to allow full use of max_rest_time
	 * when voice packets are running at 20 ms interval.
	 */
	cmd->idle_time = scan_req->idle_time;


	/* Large timeout value for full scan cycle, 30 seconds */
	cmd->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;

	/* add DS param IE in probe req frame */
	cmd->scan_f_add_ds_ie_in_probe = true;

	/* set flag to get chan stats */
	if (pMac->snr_monitor_enabled)
		cmd->scan_f_chan_stat_evnt = true;

	/* do not add OFDM rates in 11B mode */
	if (scan_req->dot11mode != WNI_CFG_DOT11_MODE_11B)
		cmd->scan_f_ofdm_rates = true;
	else
		WMA_LOGD("OFDM_RATES not included in 11B mode");

	if (scan_req->p2pScanType)
		cmd->adaptive_dwell_time_mode = WMI_DWELL_MODE_STATIC;

	/* Do not combine multiple channels in a single burst. Come back
	 * to home channel for data traffic after every foreign channel.
	 * By default, prefer throughput performance over scan cycle time.
	 */
	cmd->burst_duration = 0;

	if (!scan_req->p2pScanType) {
		WMA_LOGD("Normal Scan request");
		cmd->scan_f_cck_rates = true;
		if (!scan_req->numSsid)
			cmd->scan_f_bcast_probe = true;
		if (scan_req->scanType == eSIR_PASSIVE_SCAN)
			cmd->scan_f_passive = true;
		cmd->scan_f_add_tpc_ie_in_probe = true;
		cmd->scan_f_filter_prb_req = true;

		/*
		 * Decide burst_duration and dwell_time_active based on
		 * what type of devices are active.
		 */
		do {
			if (wma_is_sap_active(wma_handle) &&
					wma_is_p2p_go_active(wma_handle) &&
					wma_is_sta_active(wma_handle)) {
				if (scan_req->maxChannelTime <=
					WMA_3PORT_CONC_SCAN_MAX_BURST_DURATION)
					cmd->burst_duration =
						scan_req->maxChannelTime;
				else
					cmd->burst_duration =
					WMA_3PORT_CONC_SCAN_MAX_BURST_DURATION;
				break;
			}
			if (wma_handle->miracast_value &&
					wma_is_mcc_24G(wma_handle)) {
				cmd->max_rest_time =
					pMac->f_sta_miracast_mcc_rest_time_val;
			}
			if (wma_is_p2p_go_active(wma_handle)) {
				/* Background scan while GO is sending beacons.
				 * Every off-channel transition has overhead of
				 * 2 beacon intervals for NOA. Maximize number
				 * of channels in every transition by using
				 * burst scan.
				 */
				cmd->burst_duration =
					 wma_get_burst_duration(
						scan_req->maxChannelTime,
						wma_handle->miracast_value);

				break;
			}
			if (wma_is_sta_active(wma_handle) ||
			    wma_is_p2p_cli_active(wma_handle)) {
				if (scan_req->burst_scan_duration)
					cmd->burst_duration =
						scan_req->burst_scan_duration;
				else
					/* Typical background scan.
					 * Disable burst scan for now.
					 */
					cmd->burst_duration = 0;
				break;
			}
		} while (0);

	} else {
		WMA_LOGD("P2P Scan");
		switch (scan_req->p2pScanType) {
		case P2P_SCAN_TYPE_LISTEN:
			WMA_LOGD("P2P_SCAN_TYPE_LISTEN");
			cmd->scan_f_passive = true;
			cmd->scan_events |=
				WMI_SCAN_EVENT_FOREIGN_CHANNEL;
			cmd->repeat_probe_time = 0;
			cmd->scan_priority = WMI_SCAN_PRIORITY_HIGH;
			break;
		case P2P_SCAN_TYPE_SEARCH:
			WMA_LOGD("P2P_SCAN_TYPE_SEARCH");
			cmd->scan_f_filter_prb_req = true;
			/* Default P2P burst duration of 120 ms will cover
			 * 3 channels with default max dwell time 40 ms.
			 * Cap limit will be set by
			 * WMA_P2P_SCAN_MAX_BURST_DURATION. Burst duration
			 * should be such that no channel is scanned less
			 * than the dwell time in normal scenarios.
			 */
			if (scan_req->channelList.numChannels ==
			    P2P_SOCIAL_CHANNELS
			    && (!(wma_handle->miracast_value)))
				cmd->repeat_probe_time =
					scan_req->maxChannelTime / 5;
			else
				cmd->repeat_probe_time =
					scan_req->maxChannelTime / 3;

			cmd->burst_duration =
				WMA_BURST_SCAN_MAX_NUM_OFFCHANNELS *
				scan_req->maxChannelTime;
			if (cmd->burst_duration >
			    WMA_P2P_SCAN_MAX_BURST_DURATION) {
				uint8_t channels =
					WMA_P2P_SCAN_MAX_BURST_DURATION /
					scan_req->maxChannelTime;
				if (channels)
					cmd->burst_duration =
						channels * scan_req->maxChannelTime;
				else
					cmd->burst_duration =
						WMA_P2P_SCAN_MAX_BURST_DURATION;
			}
			cmd->scan_priority = WMI_SCAN_PRIORITY_MEDIUM;
			break;
		default:
			WMA_LOGE("Invalid scan type");
			goto error;
		}
	}

	if (wma_is_sap_active(wma_handle)) {
		/* P2P/STA scan while SoftAP is sending beacons.
		 * Max duration of CTS2self is 32 ms, which limits the
		 * dwell time. If DBS is supported and if SAP is on 2G channel
		 * then keep passive dwell time default.
		 */
		cmd->dwell_time_active =
			QDF_MIN(scan_req->maxChannelTime,
					(WMA_CTS_DURATION_MS_MAX -
					 WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME));
		if (!policy_mgr_is_hw_dbs_capable(wma_handle->psoc) ||
			(policy_mgr_is_hw_dbs_capable(wma_handle->psoc) &&
				WLAN_REG_IS_5GHZ_CH(
					policy_mgr_get_channel(wma_handle->psoc,
						PM_SAP_MODE, NULL)))) {
			cmd->dwell_time_passive = cmd->dwell_time_active;
		}
		cmd->burst_duration = 0;
		if (wlan_reg_is_dfs_ch(wma_handle->pdev,
				policy_mgr_get_channel(wma_handle->psoc,
					PM_SAP_MODE, NULL)))
			cmd->burst_duration =
				WMA_BURST_SCAN_MAX_NUM_OFFCHANNELS *
				scan_req->maxChannelTime;
		WMA_LOGI("SAP: burst_duration: %d", cmd->burst_duration);
	}

	cmd->n_probes = (cmd->repeat_probe_time > 0) ?
			cmd->dwell_time_active / cmd->repeat_probe_time : 0;
	if (scan_req->channelList.numChannels) {
		cmd->num_chan = scan_req->channelList.numChannels;
		for (i = 0; i < scan_req->channelList.numChannels; ++i) {
			cmd->chan_list[i] =
				cds_chan_to_freq(scan_req->channelList.
						 channelNumber[i]);
		}
	}

	if (scan_req->numSsid > SIR_SCAN_MAX_NUM_SSID) {
		WMA_LOGE("Invalid value for numSsid");
		goto error;
	}

	cmd->num_ssids = scan_req->numSsid;

	if (scan_req->numSsid) {
		for (i = 0; i < scan_req->numSsid; ++i) {
			cmd->ssid[i].length = scan_req->ssId[i].length;
			qdf_mem_copy(cmd->ssid[i].ssid,
				     scan_req->ssId[i].ssId,
				     scan_req->ssId[i].length);
		}
	}

	if (!scan_req->p2pScanType) {
		if (wma_is_sap_active(wma_handle)) {
			SSID_num = cmd->num_ssids * cmd->num_bssid;
			cmd->repeat_probe_time = probe_time_dwell_time_map[
				QDF_MIN(SSID_num,
					WMA_DWELL_TIME_PROBE_TIME_MAP_SIZE
					- 1)].probe_time;
			cmd->n_probes = (cmd->repeat_probe_time > 0) ?
				cmd->dwell_time_active/
				cmd->repeat_probe_time : 0;
		}
	}
	WMA_LOGD("Scan Type 0x%x, Active dwell time %u, Passive dwell time %u",
		scan_req->scanType, cmd->dwell_time_active,
		cmd->dwell_time_passive);
	WMA_LOGD("Scan repeat_probe_time %u n_probes %u num_ssids %u num_bssid %u",
		cmd->repeat_probe_time, cmd->n_probes, cmd->num_ssids,
		cmd->num_bssid);

	cmd->num_bssid = 1;
	qdf_mem_copy(cmd->bssid_list, scan_req->bssId.bytes, QDF_MAC_ADDR_SIZE);
	cmd->extraie.len = scan_req->uIEFieldLen;
	cmd->extraie.ptr = (uint8_t *) scan_req +
			     (scan_req->uIEFieldOffset);
	return QDF_STATUS_SUCCESS;

error:
	return qdf_status;
}

/**
 * wma_start_scan() - start scan command
 * @wma_handle: wma handle
 * @scan_req: scan request params
 * @msg_type: message time
 *
 * Send start scan command to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_start_scan(tp_wma_handle wma_handle,
			  tSirScanOffloadReq *scan_req, uint16_t msg_type)
{
	uint32_t vdev_id, scan_id;
	QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
	struct scan_req_params cmd = {0};
	tSirScanOffloadEvent *scan_event;

	if (scan_req->sessionId > wma_handle->max_bssid) {
		WMA_LOGE("%s: Invalid vdev_id %d, msg_type : 0x%x", __func__,
			 scan_req->sessionId, msg_type);
		goto error1;
	}

	/* Sanity check to find whether vdev id active or not */
	if (msg_type != WMA_START_SCAN_OFFLOAD_REQ &&
		!wma_handle->interfaces[scan_req->sessionId].handle) {
		WMA_LOGA("vdev id [%d] is not active", scan_req->sessionId);
		goto error1;
	}

	/* Fill individual elements of wmi_start_scan_req and
	 * TLV for channel list, bssid, ssid etc ...
	 */
	qdf_status = wma_get_buf_start_scan_cmd(wma_handle, scan_req,
						&cmd);
	if (qdf_status != QDF_STATUS_SUCCESS) {
		WMA_LOGE("Failed to get buffer for start scan cmd");
		goto error1;
	}

	wma_inc_pending_scans(wma_handle);

	WMA_LOGI("scan_id 0x%x, vdev_id %d, p2pScanType %d, msg_type 0x%x",
		 cmd.scan_id, cmd.vdev_id, scan_req->p2pScanType, msg_type);

	/*
	 * Cache vdev_id and scan_id because cmd is freed after calling
	 * wmi_unified_cmd_send cmd. WMI internally frees cmd buffer after
	 * getting TX complete from CE
	 */
	vdev_id = cmd.vdev_id;
	scan_id = cmd.scan_id;
	WMA_LOGD("ActiveDwell %d, PassiveDwell %d, ScanFlags 0x%x NumChan %d",
		 cmd.dwell_time_active, cmd.dwell_time_passive,
		 cmd.scan_flags, cmd.num_chan);

	/* Call the wmi api to request the scan */
	qdf_status = wmi_unified_scan_start_cmd_send(wma_handle->wmi_handle,
				 &cmd);
	if (QDF_IS_STATUS_ERROR(qdf_status)) {
		WMA_LOGE("wmi_unified_cmd_send returned Error %d", qdf_status);
		goto dec_scans;
	}

	WMA_LOGD("WMA --> WMI_START_SCAN_CMDID");

	return QDF_STATUS_SUCCESS;

dec_scans:
	wma_dec_pending_scans(wma_handle);

error1:
	if (NULL != cmd.chan_list)
		qdf_mem_free(cmd.chan_list);

	/* Send completion event for only for start scan request */
	if (msg_type == WMA_START_SCAN_OFFLOAD_REQ) {
		scan_event =
			(tSirScanOffloadEvent *)
			qdf_mem_malloc(sizeof(tSirScanOffloadEvent));
		if (!scan_event) {
			WMA_LOGP("%s: Failed to allocate memory for scan rsp",
				 __func__);
			return QDF_STATUS_E_NOMEM;
		}
		memset(scan_event, 0x00, sizeof(*scan_event));
		scan_event->event = WMI_SCAN_EVENT_COMPLETED;
		scan_event->reasonCode = eSIR_SME_SCAN_FAILED;
		scan_event->sessionId = scan_req->sessionId;
		scan_event->p2pScanType = scan_req->p2pScanType;
		scan_event->scanId = scan_req->scan_id;
		scan_event->requestor = scan_req->scan_requestor_id;
		wma_send_msg(wma_handle, WMA_RX_SCAN_EVENT, (void *)scan_event,
			     0);
	}

	return qdf_status;
}

/**
 * wma_stop_scan() - stop scan command
 * @wma_handle: wma handle
 * @abort_scan_req: abort scan params
 *
 * Send stop scan command to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_stop_scan(tp_wma_handle wma_handle,
			 tAbortScanParams *abort_scan_req)
{
	QDF_STATUS qdf_status;
	struct scan_cancel_param  scan_param = {0};

	scan_param.vdev_id = abort_scan_req->SessionId;
	scan_param.requester = abort_scan_req->scan_requestor_id;
	scan_param.scan_id = abort_scan_req->scan_id;
	/* stop the scan with the corresponding scan_id */
	scan_param.req_type = WLAN_SCAN_CANCEL_SINGLE;
	qdf_status = wmi_unified_scan_stop_cmd_send(wma_handle->wmi_handle,
						&scan_param);
	/* Call the wmi api to request the scan */
	if (QDF_IS_STATUS_ERROR(qdf_status)) {
		WMA_LOGE("wmi_unified_cmd_send WMI_STOP_SCAN_CMDID returned Error %d",
			qdf_status);
		goto error;
	}
	WMA_LOGI("scan_id 0x%x, scan_requestor_id 0x%x, vdev_id %d",
		 abort_scan_req->scan_id,
		 abort_scan_req->scan_requestor_id,
		 abort_scan_req->SessionId);
	WMA_LOGI("WMA --> WMI_STOP_SCAN_CMDID");

	return QDF_STATUS_SUCCESS;

error:
	return qdf_status;
}

/**
 * wma_update_channel_list() - update channel list
 * @handle: wma handle
 * @chan_list: channel list
 *
 * Function is used to update the support channel list in fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_update_channel_list(WMA_HANDLE handle,
				   tSirUpdateChanList *chan_list)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
	int i;
	struct scan_chan_list_params scan_ch_param = {0};
	wmi_channel_param *tchan_info;

	scan_ch_param.chan_info = qdf_mem_malloc(sizeof(wmi_channel) *
				 chan_list->numChan);
	if (NULL == scan_ch_param.chan_info) {
		WMA_LOGE("%s: Failed to allocate channel info", __func__);
		return QDF_STATUS_E_NOMEM;
	}
	qdf_mem_zero(scan_ch_param.chan_info, sizeof(wmi_channel) *
				 chan_list->numChan);
	WMA_LOGD("no of channels = %d", chan_list->numChan);
	tchan_info = scan_ch_param.chan_info;
	scan_ch_param.num_scan_chans = chan_list->numChan;
	wma_handle->saved_chan.num_channels = chan_list->numChan;
	WMA_LOGD("ht %d, vht %d, vht_24 %d", chan_list->ht_en,
			chan_list->vht_en, chan_list->vht_24_en);

	for (i = 0; i < chan_list->numChan; ++i) {
		tchan_info->mhz =
			cds_chan_to_freq(chan_list->chanParam[i].chanId);
		tchan_info->band_center_freq1 =
					  tchan_info->mhz;
		tchan_info->band_center_freq2 = 0;
		wma_handle->saved_chan.channel_list[i] =
				chan_list->chanParam[i].chanId;

		WMA_LOGD("chan[%d] = freq:%u chan:%d DFS:%d tx power:%d",
			 i, tchan_info->mhz,
			 chan_list->chanParam[i].chanId,
			 chan_list->chanParam[i].dfsSet,
			 chan_list->chanParam[i].pwr);

		if (chan_list->chanParam[i].dfsSet)
			WMI_SET_CHANNEL_FLAG(tchan_info,
					     WMI_CHAN_FLAG_PASSIVE);

		if (tchan_info->mhz < WMA_2_4_GHZ_MAX_FREQ) {
			WMI_SET_CHANNEL_MODE(tchan_info, MODE_11G);
			if (chan_list->vht_en && chan_list->vht_24_en)
				WMI_SET_CHANNEL_FLAG(tchan_info,
						WMI_CHAN_FLAG_ALLOW_VHT);
		} else {
			WMI_SET_CHANNEL_MODE(tchan_info, MODE_11A);
			if (chan_list->vht_en)
				WMI_SET_CHANNEL_FLAG(tchan_info,
					WMI_CHAN_FLAG_ALLOW_VHT);
		}

		if (chan_list->ht_en)
			WMI_SET_CHANNEL_FLAG(tchan_info,
					WMI_CHAN_FLAG_ALLOW_HT);

		if (chan_list->chanParam[i].half_rate)
			WMI_SET_CHANNEL_FLAG(tchan_info,
				WMI_CHAN_FLAG_HALF_RATE);
		else if (chan_list->chanParam[i].quarter_rate)
			WMI_SET_CHANNEL_FLAG(tchan_info,
				WMI_CHAN_FLAG_QUARTER_RATE);

		WMI_SET_CHANNEL_MAX_TX_POWER(tchan_info,
					     chan_list->chanParam[i].pwr);

		WMI_SET_CHANNEL_REG_POWER(tchan_info,
					  chan_list->chanParam[i].pwr);
		tchan_info++;
	}

	qdf_status = wmi_unified_scan_chan_list_cmd_send(wma_handle->wmi_handle,
				&scan_ch_param);

	if (QDF_IS_STATUS_ERROR(qdf_status))
		WMA_LOGE("Failed to send WMI_SCAN_CHAN_LIST_CMDID");

	qdf_mem_free(scan_ch_param.chan_info);

	return qdf_status;
}

/**
 * wma_roam_scan_offload_mode() - send roam scan mode request to fw
 * @wma_handle: wma handle
 * @scan_cmd_fp: start scan command ptr
 * @roam_req: roam request param
 * @mode: mode
 * @vdev_id: vdev id
 *
 * send WMI_ROAM_SCAN_MODE TLV to firmware. It has a piggyback
 * of WMI_ROAM_SCAN_MODE.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_mode(tp_wma_handle wma_handle,
				      wmi_start_scan_cmd_fixed_param *
				      scan_cmd_fp,
				      tSirRoamOffloadScanReq *roam_req,
				      uint32_t mode, uint32_t vdev_id)
{
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	struct roam_offload_scan_params *params =
				qdf_mem_malloc(sizeof(*params));

	if (!params) {
		WMA_LOGE("%s: Failed to allocate scan params", __func__);
		return QDF_STATUS_E_NOMEM;
	}
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
	params->auth_mode = WMI_AUTH_NONE;
	if (roam_req)
		params->auth_mode = e_csr_auth_type_to_rsn_authmode
				    (roam_req->ConnectedNetwork.authentication,
				    roam_req->ConnectedNetwork.encryption);
	WMA_LOGD("%s : auth mode = %d", __func__, params->auth_mode);
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */

	params->is_roam_req_valid = 0;
	params->mode = mode;
	params->vdev_id = vdev_id;
	if (roam_req) {
		params->is_roam_req_valid = 1;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
		params->roam_offload_enabled = roam_req->RoamOffloadEnabled;
		params->prefer_5ghz = roam_req->Prefer5GHz;
		params->roam_rssi_cat_gap = roam_req->RoamRssiCatGap;
		params->select_5ghz_margin = roam_req->Select5GHzMargin;
		params->reassoc_failure_timeout =
				roam_req->ReassocFailureTimeout;
		params->rokh_id_length = roam_req->R0KH_ID_Length;
		qdf_mem_copy(params->rokh_id, roam_req->R0KH_ID,
				WMI_ROAM_R0KH_ID_MAX_LEN);
		qdf_mem_copy(params->krk, roam_req->KRK, WMI_KRK_KEY_LEN);
		qdf_mem_copy(params->btk, roam_req->BTK, WMI_BTK_KEY_LEN);
		qdf_mem_copy(params->psk_pmk, roam_req->PSK_PMK,
				WMI_ROAM_SCAN_PSK_SIZE);
		params->pmk_len = roam_req->pmk_len;
		params->roam_key_mgmt_offload_enabled =
				roam_req->RoamKeyMgmtOffloadEnabled;
		wma_roam_scan_fill_self_caps(wma_handle,
			&params->roam_offload_params, roam_req);
		params->fw_okc = roam_req->pmkid_modes.fw_okc;
		params->fw_pmksa_cache = roam_req->pmkid_modes.fw_pmksa_cache;
#endif
		params->is_ese_assoc = roam_req->IsESEAssoc;
		params->mdid.mdie_present = roam_req->MDID.mdiePresent;
		params->mdid.mobility_domain = roam_req->MDID.mobilityDomain;
		params->assoc_ie_length = roam_req->assoc_ie.length;
		qdf_mem_copy(params->assoc_ie, roam_req->assoc_ie.addIEdata,
						roam_req->assoc_ie.length);
	}

	WMA_LOGD(FL("qos_caps: %d, qos_enabled: %d"),
		params->roam_offload_params.qos_caps,
		params->roam_offload_params.qos_enabled);

	status = wmi_unified_roam_scan_offload_mode_cmd(wma_handle->wmi_handle,
				scan_cmd_fp, params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	WMA_LOGD("%s: WMA --> WMI_ROAM_SCAN_MODE", __func__);
	qdf_mem_free(params);
	return status;
}

/**
 * wma_roam_scan_offload_rssi_threshold() - set scan offload rssi threashold
 * @wma_handle: wma handle
 * @roam_req:   Roaming request buffer
 *
 * Send WMI_ROAM_SCAN_RSSI_THRESHOLD TLV to firmware
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_rssi_thresh(tp_wma_handle wma_handle,
	tSirRoamOffloadScanReq *roam_req)
{
	struct roam_offload_scan_rssi_params params = {0};
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	int rssi_thresh, rssi_thresh_diff;
	struct roam_ext_params *roam_params;
	int32_t good_rssi_threshold;
	uint32_t hirssi_scan_max_count;
	uint32_t hirssi_scan_delta;
	int32_t hirssi_upper_bound;

	/* Send rssi threshold */
	roam_params = &roam_req->roam_params;
	rssi_thresh = roam_req->LookupThreshold - WMA_NOISE_FLOOR_DBM_DEFAULT;
	rssi_thresh_diff = roam_req->OpportunisticScanThresholdDiff;
	hirssi_scan_max_count = roam_req->hi_rssi_scan_max_count;
	hirssi_scan_delta = roam_req->hi_rssi_scan_rssi_delta;
	hirssi_upper_bound = roam_req->hi_rssi_scan_rssi_ub -
				     WMA_NOISE_FLOOR_DBM_DEFAULT;

	/* fill in threshold values */
	params.session_id = roam_req->sessionId;
	params.rssi_thresh = rssi_thresh & 0x000000ff;
	params.rssi_thresh_diff = rssi_thresh_diff & 0x000000ff;
	params.hi_rssi_scan_max_count = hirssi_scan_max_count;
	params.hi_rssi_scan_rssi_delta = hirssi_scan_delta;
	params.hi_rssi_scan_rssi_ub = hirssi_upper_bound & 0x00000ff;
	params.raise_rssi_thresh_5g = roam_params->raise_rssi_thresh_5g;
	params.dense_rssi_thresh_offset =
			 roam_params->dense_rssi_thresh_offset;
	params.dense_min_aps_cnt = roam_params->dense_min_aps_cnt;
	params.traffic_threshold =
			roam_params->traffic_threshold;
	params.initial_dense_status = roam_params->initial_dense_status;


	/*
	 * The current Noise floor in firmware is -96dBm. Penalty/Boost
	 * threshold is applied on a weaker signal to make it even more weaker.
	 * So, there is a chance that the user may configure a very low
	 * Penalty/Boost threshold beyond the noise floor. If that is the case,
	 * then suppress the penalty/boost threshold to the noise floor.
	 */
	if (roam_params->raise_rssi_thresh_5g < WMA_NOISE_FLOOR_DBM_DEFAULT)
		params.penalty_threshold_5g = 0;
	else
		params.boost_threshold_5g =
			(roam_params->raise_rssi_thresh_5g -
			 WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;
	if (roam_params->drop_rssi_thresh_5g < WMA_NOISE_FLOOR_DBM_DEFAULT)
		params.penalty_threshold_5g = 0;
	else
		params.penalty_threshold_5g =
			(roam_params->drop_rssi_thresh_5g -
			 WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;
	params.raise_factor_5g = roam_params->raise_factor_5g;
	params.drop_factor_5g = roam_params->drop_factor_5g;
	params.max_raise_rssi_5g = roam_params->max_raise_rssi_5g;
	params.max_drop_rssi_5g = roam_params->max_drop_rssi_5g;

	if (roam_params->good_rssi_roam)
		good_rssi_threshold = WMA_NOISE_FLOOR_DBM_DEFAULT;
	else
		good_rssi_threshold = 0;
	params.good_rssi_threshold =
	    (good_rssi_threshold - WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;

	WMA_LOGD("WMA --> good_rssi_threshold=%d",
		 params.good_rssi_threshold);

	if (roam_req->early_stop_scan_enable) {
		params.roam_earlystop_thres_min =
			roam_req->early_stop_scan_min_threshold -
			WMA_NOISE_FLOOR_DBM_DEFAULT;
		params.roam_earlystop_thres_max =
			roam_req->early_stop_scan_max_threshold -
			WMA_NOISE_FLOOR_DBM_DEFAULT;
	} else {
		params.roam_earlystop_thres_min = 0;
		params.roam_earlystop_thres_max = 0;
	}

	WMA_LOGD("early_stop_thresholds en=%d, min=%d, max=%d",
		roam_req->early_stop_scan_enable,
		params.roam_earlystop_thres_min,
		params.roam_earlystop_thres_max);

	status = wmi_unified_roam_scan_offload_rssi_thresh_cmd(
			wma_handle->wmi_handle, &params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	WMA_LOGD(FL("roam_scan_rssi_thresh=%d, roam_rssi_thresh_diff=%d"),
		rssi_thresh, rssi_thresh_diff);
	WMA_LOGD(
		FL("hirssi_scan max_count=%d, delta=%d, hirssi_upper_bound=%d"),
		hirssi_scan_max_count, hirssi_scan_delta, hirssi_upper_bound);
	WMA_LOGD(
		FL("dense_rssi_thresh_offset=%d, dense_min_aps_cnt=%d, traffic_threshold=%d initial_dense_status=%d"),
			roam_params->dense_rssi_thresh_offset,
			roam_params->dense_min_aps_cnt,
			roam_params->traffic_threshold,
			roam_params->initial_dense_status);
	return status;
}

/**
 * wma_roam_scan_offload_scan_period() - set roam offload scan period
 * @wma_handle: wma handle
 * @scan_period: scan period
 * @scan_age: scan age
 * @vdev_id: vdev id
 *
 * Send WMI_ROAM_SCAN_PERIOD parameters to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_scan_period(tp_wma_handle wma_handle,
					     uint32_t scan_period,
					     uint32_t scan_age,
					     uint32_t vdev_id)
{
	return wmi_unified_roam_scan_offload_scan_period(wma_handle->wmi_handle,
				  scan_period, scan_age, vdev_id);
}

/**
 * wma_roam_scan_offload_rssi_change() - set roam offload RSSI change threshold
 * @wma_handle: wma handle
 * @rssi_change_thresh: RSSI Change threshold
 * @bcn_rssi_weight: beacon RSSI weight
 * @vdev_id: vdev id
 *
 * Send WMI_ROAM_SCAN_RSSI_CHANGE_THRESHOLD parameters to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_rssi_change(tp_wma_handle wma_handle,
	uint32_t vdev_id,
	int32_t rssi_change_thresh,
	uint32_t bcn_rssi_weight,
	uint32_t hirssi_delay_btw_scans)
{
	int status;

	status = wmi_unified_roam_scan_offload_rssi_change_cmd(
				wma_handle->wmi_handle,
				vdev_id, rssi_change_thresh,
				bcn_rssi_weight, hirssi_delay_btw_scans);
	if (status != EOK)
		return QDF_STATUS_E_FAILURE;


	return QDF_STATUS_SUCCESS;
}

/**
 * wma_roam_scan_offload_chan_list() - set roam offload channel list
 * @wma_handle: wma handle
 * @chan_count: channel count
 * @chan_list: channel list
 * @list_type: list type
 * @vdev_id: vdev id
 *
 * Set roam offload channel list.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_chan_list(tp_wma_handle wma_handle,
					   uint8_t chan_count,
					   uint8_t *chan_list,
					   uint8_t list_type, uint32_t vdev_id)
{
	QDF_STATUS status;
	int i;
	uint32_t *chan_list_mhz;

	if (chan_count == 0) {
		WMA_LOGD("%s : invalid number of channels %d", __func__,
			 chan_count);
		return QDF_STATUS_E_EMPTY;
	}
	chan_list_mhz = qdf_mem_malloc(chan_count * sizeof(*chan_list_mhz));
	if (chan_list_mhz == NULL) {
		WMA_LOGE("%s : Memory allocation failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}

	for (i = 0; ((i < chan_count) &&
		     (i < SIR_ROAM_MAX_CHANNELS)); i++) {
		chan_list_mhz[i] = cds_chan_to_freq(chan_list[i]);
		WMA_LOGD("%d,", chan_list_mhz[i]);
	}

	status = wmi_unified_roam_scan_offload_chan_list_cmd(
					wma_handle->wmi_handle,
					chan_count, chan_list_mhz,
					list_type, vdev_id);
	qdf_mem_free(chan_list_mhz);

	return status;
}

/**
 * e_csr_auth_type_to_rsn_authmode() - map csr auth type to rsn authmode
 * @authtype: CSR authtype
 * @encr: CSR Encryption
 *
 * Map CSR's authentication type into RSN auth mode used by firmware
 *
 * Return: WMI RSN auth mode
 */
A_UINT32 e_csr_auth_type_to_rsn_authmode(eCsrAuthType authtype,
					 eCsrEncryptionType encr)
{
	switch (authtype) {
	case eCSR_AUTH_TYPE_OPEN_SYSTEM:
		return WMI_AUTH_OPEN;
	case eCSR_AUTH_TYPE_WPA:
		return WMI_AUTH_WPA;
	case eCSR_AUTH_TYPE_WPA_PSK:
		return WMI_AUTH_WPA_PSK;
	case eCSR_AUTH_TYPE_RSN:
		return WMI_AUTH_RSNA;
	case eCSR_AUTH_TYPE_RSN_PSK:
		return WMI_AUTH_RSNA_PSK;
	case eCSR_AUTH_TYPE_FT_RSN:
		return WMI_AUTH_FT_RSNA;
	case eCSR_AUTH_TYPE_FT_RSN_PSK:
		return WMI_AUTH_FT_RSNA_PSK;
#ifdef FEATURE_WLAN_WAPI
	case eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE:
		return WMI_AUTH_WAPI;
	case eCSR_AUTH_TYPE_WAPI_WAI_PSK:
		return WMI_AUTH_WAPI_PSK;
#endif /* FEATURE_WLAN_WAPI */
#ifdef FEATURE_WLAN_ESE
	case eCSR_AUTH_TYPE_CCKM_WPA:
		return WMI_AUTH_CCKM_WPA;
	case eCSR_AUTH_TYPE_CCKM_RSN:
		return WMI_AUTH_CCKM_RSNA;
#endif /* FEATURE_WLAN_ESE */
#ifdef WLAN_FEATURE_11W
	case eCSR_AUTH_TYPE_RSN_PSK_SHA256:
		return WMI_AUTH_RSNA_PSK_SHA256;
	case eCSR_AUTH_TYPE_RSN_8021X_SHA256:
		return WMI_AUTH_RSNA_8021X_SHA256;
#endif /* WLAN_FEATURE_11W */
	case eCSR_AUTH_TYPE_NONE:
	case eCSR_AUTH_TYPE_AUTOSWITCH:
		/* In case of WEP and other keys, NONE means OPEN auth */
		if (encr == eCSR_ENCRYPT_TYPE_WEP40_STATICKEY ||
		    encr == eCSR_ENCRYPT_TYPE_WEP104_STATICKEY ||
		    encr == eCSR_ENCRYPT_TYPE_WEP40 ||
		    encr == eCSR_ENCRYPT_TYPE_WEP104 ||
		    encr == eCSR_ENCRYPT_TYPE_TKIP ||
		    encr == eCSR_ENCRYPT_TYPE_AES) {
			return WMI_AUTH_OPEN;
		}
		return WMI_AUTH_NONE;
	default:
		return WMI_AUTH_NONE;
	}
}

/**
 * e_csr_encryption_type_to_rsn_cipherset() - map csr enc type to ESN cipher
 * @encr: CSR Encryption
 *
 * Map CSR's encryption type into RSN cipher types used by firmware
 *
 * Return: WMI RSN cipher
 */
A_UINT32 e_csr_encryption_type_to_rsn_cipherset(eCsrEncryptionType encr)
{

	switch (encr) {
	case eCSR_ENCRYPT_TYPE_WEP40_STATICKEY:
	case eCSR_ENCRYPT_TYPE_WEP104_STATICKEY:
	case eCSR_ENCRYPT_TYPE_WEP40:
	case eCSR_ENCRYPT_TYPE_WEP104:
		return WMI_CIPHER_WEP;
	case eCSR_ENCRYPT_TYPE_TKIP:
		return WMI_CIPHER_TKIP;
	case eCSR_ENCRYPT_TYPE_AES:
		return WMI_CIPHER_AES_CCM;
#ifdef FEATURE_WLAN_WAPI
	case eCSR_ENCRYPT_TYPE_WPI:
		return WMI_CIPHER_WAPI;
#endif /* FEATURE_WLAN_WAPI */
	case eCSR_ENCRYPT_TYPE_ANY:
		return WMI_CIPHER_ANY;
	case eCSR_ENCRYPT_TYPE_NONE:
	default:
		return WMI_CIPHER_NONE;
	}
}

#ifdef WLAN_FEATURE_ROAM_OFFLOAD
/**
 * wma_roam_scan_get_cckm_mode() - Get the CCKM auth mode
 * @roam_req: Roaming request buffer
 * @auth_mode: Auth mode to be converted
 *
 * Based on LFR2.0 or LFR3.0, return the proper auth type
 *
 * Return: if LFR2.0, then return WMI_AUTH_CCKM for backward compatibility
 *         if LFR3.0 then return the appropriate auth type
 */
static uint32_t wma_roam_scan_get_cckm_mode(tSirRoamOffloadScanReq *roam_req,
		uint32_t auth_mode)
{
	if (roam_req->RoamOffloadEnabled)
		return auth_mode;
	else
		return WMI_AUTH_CCKM;

}
#endif
/**
 * wma_roam_scan_fill_ap_profile() - fill ap_profile
 * @wma_handle: wma handle
 * @pMac: Mac ptr
 * @roam_req: roam offload scan request
 * @ap_profile_p: ap profile
 *
 * Fill ap_profile structure from configured parameters
 *
 * Return: none
 */
void wma_roam_scan_fill_ap_profile(tp_wma_handle wma_handle,
				   tpAniSirGlobal pMac,
				   tSirRoamOffloadScanReq *roam_req,
				   wmi_ap_profile *ap_profile_p)
{
	uint32_t rsn_authmode;

	qdf_mem_zero(ap_profile_p, sizeof(wmi_ap_profile));
	if (roam_req == NULL) {
		ap_profile_p->ssid.ssid_len = 0;
		ap_profile_p->ssid.ssid[0] = 0;
		ap_profile_p->rsn_authmode = WMI_AUTH_NONE;
		ap_profile_p->rsn_ucastcipherset = WMI_CIPHER_NONE;
		ap_profile_p->rsn_mcastcipherset = WMI_CIPHER_NONE;
		ap_profile_p->rsn_mcastmgmtcipherset = WMI_CIPHER_NONE;
		ap_profile_p->rssi_threshold = WMA_ROAM_RSSI_DIFF_DEFAULT;
	} else {
		ap_profile_p->ssid.ssid_len =
			roam_req->ConnectedNetwork.ssId.length;
		qdf_mem_copy(ap_profile_p->ssid.ssid,
			     roam_req->ConnectedNetwork.ssId.ssId,
			     ap_profile_p->ssid.ssid_len);
		ap_profile_p->rsn_authmode =
			e_csr_auth_type_to_rsn_authmode(
				roam_req->ConnectedNetwork.authentication,
				roam_req->ConnectedNetwork.encryption);
		rsn_authmode = ap_profile_p->rsn_authmode;

		if ((rsn_authmode == WMI_AUTH_CCKM_WPA) ||
			(rsn_authmode == WMI_AUTH_CCKM_RSNA))
			ap_profile_p->rsn_authmode =
				wma_roam_scan_get_cckm_mode(
						roam_req, rsn_authmode);
		ap_profile_p->rsn_ucastcipherset =
			e_csr_encryption_type_to_rsn_cipherset(
					roam_req->ConnectedNetwork.encryption);
		ap_profile_p->rsn_mcastcipherset =
			e_csr_encryption_type_to_rsn_cipherset(
				roam_req->ConnectedNetwork.mcencryption);
		ap_profile_p->rsn_mcastmgmtcipherset =
			ap_profile_p->rsn_mcastcipherset;
		ap_profile_p->rssi_threshold = roam_req->RoamRssiDiff;
#ifdef WLAN_FEATURE_11W
		if (roam_req->ConnectedNetwork.mfp_enabled)
			ap_profile_p->flags |= WMI_AP_PROFILE_FLAG_PMF;
#endif
	}
}

/**
 * wma_process_set_pdev_ie_req() - process the pdev set IE req
 * @wma: Pointer to wma handle
 * @ie_params: Pointer to IE data.
 *
 * Sends the WMI req to set the IE to FW.
 *
 * Return: None
 */
void wma_process_set_pdev_ie_req(tp_wma_handle wma,
		struct set_ie_param *ie_params)
{
	if (ie_params->ie_type == DOT11_HT_IE)
		wma_process_set_pdev_ht_ie_req(wma, ie_params);
	if (ie_params->ie_type == DOT11_VHT_IE)
		wma_process_set_pdev_vht_ie_req(wma, ie_params);

	qdf_mem_free(ie_params->ie_ptr);
}

/**
 * wma_process_set_pdev_ht_ie_req() - sends HT IE data to FW
 * @wma: Pointer to wma handle
 * @ie_params: Pointer to IE data.
 * @nss: Nss values to prepare the HT IE.
 *
 * Sends the WMI req to set the HT IE to FW.
 *
 * Return: None
 */
void wma_process_set_pdev_ht_ie_req(tp_wma_handle wma,
		struct set_ie_param *ie_params)
{
	int ret;
	wmi_pdev_set_ht_ie_cmd_fixed_param *cmd;
	wmi_buf_t buf;
	uint16_t len;
	uint16_t ie_len_pad;
	uint8_t *buf_ptr;

	len = sizeof(*cmd) + WMI_TLV_HDR_SIZE;
	ie_len_pad = roundup(ie_params->ie_len, sizeof(uint32_t));
	len += ie_len_pad;

	buf = wmi_buf_alloc(wma->wmi_handle, len);
	if (!buf) {
		WMA_LOGE("%s:wmi_buf_alloc failed", __func__);
		return;
	}
	cmd = (wmi_pdev_set_ht_ie_cmd_fixed_param *) wmi_buf_data(buf);
	WMITLV_SET_HDR(&cmd->tlv_header,
		       WMITLV_TAG_STRUC_wmi_pdev_set_ht_ie_cmd_fixed_param,
		       WMITLV_GET_STRUCT_TLVLEN(
			       wmi_pdev_set_ht_ie_cmd_fixed_param));
	cmd->reserved0 = 0;
	cmd->ie_len = ie_params->ie_len;
	cmd->tx_streams = ie_params->nss;
	cmd->rx_streams = ie_params->nss;
	WMA_LOGD("Setting pdev HT ie with Nss = %u",
			ie_params->nss);
	buf_ptr = (uint8_t *)cmd + sizeof(*cmd);
	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, ie_len_pad);
	if (ie_params->ie_len) {
		qdf_mem_copy(buf_ptr + WMI_TLV_HDR_SIZE,
			     (uint8_t *)ie_params->ie_ptr,
			     ie_params->ie_len);
	}
	ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
					WMI_PDEV_SET_HT_CAP_IE_CMDID);
	if (ret != EOK) {
		WMA_LOGE("Failed to send set param command ret = %d", ret);
		wmi_buf_free(buf);
	}
}

/**
 * wma_process_set_pdev_vht_ie_req() - sends VHT IE data to FW
 * @wma: Pointer to wma handle
 * @ie_params: Pointer to IE data.
 * @nss: Nss values to prepare the VHT IE.
 *
 * Sends the WMI req to set the VHT IE to FW.
 *
 * Return: None
 */
void wma_process_set_pdev_vht_ie_req(tp_wma_handle wma,
		struct set_ie_param *ie_params)
{
	int ret;
	wmi_pdev_set_vht_ie_cmd_fixed_param *cmd;
	wmi_buf_t buf;
	uint16_t len;
	uint16_t ie_len_pad;
	uint8_t *buf_ptr;

	len = sizeof(*cmd) + WMI_TLV_HDR_SIZE;
	ie_len_pad = roundup(ie_params->ie_len, sizeof(uint32_t));
	len += ie_len_pad;

	buf = wmi_buf_alloc(wma->wmi_handle, len);
	if (!buf) {
		WMA_LOGE("%s:wmi_buf_alloc failed", __func__);
		return;
	}
	cmd = (wmi_pdev_set_vht_ie_cmd_fixed_param *) wmi_buf_data(buf);
	WMITLV_SET_HDR(&cmd->tlv_header,
			WMITLV_TAG_STRUC_wmi_pdev_set_vht_ie_cmd_fixed_param,
			WMITLV_GET_STRUCT_TLVLEN(
				wmi_pdev_set_vht_ie_cmd_fixed_param));
	cmd->reserved0 = 0;
	cmd->ie_len = ie_params->ie_len;
	cmd->tx_streams = ie_params->nss;
	cmd->rx_streams = ie_params->nss;
	WMA_LOGD("Setting pdev VHT ie with Nss = %u",
			ie_params->nss);
	buf_ptr = (uint8_t *)cmd + sizeof(*cmd);
	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, ie_len_pad);
	if (ie_params->ie_len) {
		qdf_mem_copy(buf_ptr + WMI_TLV_HDR_SIZE,
				(uint8_t *)ie_params->ie_ptr,
				ie_params->ie_len);
	}
	ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
			WMI_PDEV_SET_VHT_CAP_IE_CMDID);
	if (ret != EOK) {
		WMA_LOGE("Failed to send set param command ret = %d", ret);
		wmi_buf_free(buf);
	}
}

/**
 * wma_roam_scan_scan_params() - fill roam scan params
 * @wma_handle: wma handle
 * @pMac: Mac ptr
 * @scan_params: scan parameters
 * @roam_req: NULL if this routine is called before connect
 *            It will be non-NULL if called after assoc.
 *
 * Fill scan_params structure from configured parameters
 *
 * Return: none
 */
void wma_roam_scan_fill_scan_params(tp_wma_handle wma_handle,
				    tpAniSirGlobal pMac,
				    tSirRoamOffloadScanReq *roam_req,
				    wmi_start_scan_cmd_fixed_param *
				    scan_params)
{
	uint8_t channels_per_burst = 0;
	uint32_t val = 0;

	if (NULL == pMac) {
		WMA_LOGE("%s: pMac is NULL", __func__);
		return;
	}

	qdf_mem_zero(scan_params, sizeof(wmi_start_scan_cmd_fixed_param));
	scan_params->scan_ctrl_flags = WMI_SCAN_ADD_CCK_RATES |
				       WMI_SCAN_ADD_OFDM_RATES |
				       WMI_SCAN_ADD_DS_IE_IN_PROBE_REQ;
	if (roam_req != NULL) {
		/* Parameters updated after association is complete */
		WMA_LOGD("%s: NeighborScanChannelMinTime: %d NeighborScanChannelMaxTime: %d",
			 __func__,
			 roam_req->NeighborScanChannelMinTime,
			 roam_req->NeighborScanChannelMaxTime);
		WMA_LOGD("%s: NeighborScanTimerPeriod: %d HomeAwayTime: %d nProbes: %d",
			 __func__,
			 roam_req->NeighborScanTimerPeriod,
			 roam_req->HomeAwayTime, roam_req->nProbes);

		/*
		 * roam_req->NeighborScanChannelMaxTime = SCAN_CHANNEL_TIME
		 * roam_req->HomeAwayTime               = SCAN_HOME_AWAY_TIME
		 * roam_req->NeighborScanTimerPeriod    = SCAN_HOME_TIME
		 *
		 * scan_params->dwell_time_active :time station stays on channel
		 *                                   and sends probes;
		 * scan_params->dwell_time_passive:time station stays on channel
		 *                                   and listens probes;
		 * scan_params->burst_duration    :time station goes off channel
		 *                                   to scan;
		 */

		if (wlan_cfg_get_int
			    (pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME,
			    &val) != eSIR_SUCCESS) {
			/*
			 * Could not get max channel value from CFG. Log error.
			 */
			WMA_LOGE("could not retrieve passive max channel value");

			/* use a default value of 110ms */
			val = WMA_ROAM_DWELL_TIME_PASSIVE_DEFAULT;
		}

		scan_params->dwell_time_passive = val;
		/*
		 * Here is the formula,
		 * T(HomeAway) = N * T(dwell) + (N+1) * T(cs)
		 * where N is number of channels scanned in single burst
		 */
		scan_params->dwell_time_active =
			roam_req->NeighborScanChannelMaxTime;
		if (roam_req->HomeAwayTime <
		    2 * WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME) {
			/* clearly we can't follow home away time.
			 * Make it a split scan.
			 */
			scan_params->burst_duration = 0;
		} else {
			channels_per_burst =
				(roam_req->HomeAwayTime -
				 WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME)
				/ (scan_params->dwell_time_active +
				   WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME);

			if (channels_per_burst < 1) {
				/* dwell time and home away time conflicts */
				/* we will override dwell time */
				scan_params->dwell_time_active =
					roam_req->HomeAwayTime -
					2 * WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME;
				scan_params->burst_duration =
					scan_params->dwell_time_active;
			} else {
				scan_params->burst_duration =
					channels_per_burst *
					scan_params->dwell_time_active;
			}
		}
		if (roam_req->allowDFSChannelRoam ==
		    SIR_ROAMING_DFS_CHANNEL_ENABLED_NORMAL
		    && roam_req->HomeAwayTime > 0
		    && roam_req->ChannelCacheType != CHANNEL_LIST_STATIC) {
			/* Roaming on DFS channels is supported and it is not
			 * app channel list. It is ok to override homeAwayTime
			 * to accomodate DFS dwell time in burst
			 * duration.
			 */
			scan_params->burst_duration =
				QDF_MAX(scan_params->burst_duration,
					scan_params->dwell_time_passive);
		}
		scan_params->min_rest_time = roam_req->NeighborScanTimerPeriod;
		scan_params->max_rest_time = roam_req->NeighborScanTimerPeriod;
		scan_params->repeat_probe_time = (roam_req->nProbes > 0) ?
				 QDF_MAX(scan_params->dwell_time_active /
						roam_req->nProbes, 1) : 0;
		scan_params->probe_spacing_time = 0;
		scan_params->probe_delay = 0;
		/* 30 seconds for full scan cycle */
		scan_params->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;
		scan_params->idle_time = scan_params->min_rest_time;
		scan_params->n_probes = roam_req->nProbes;
		if (roam_req->allowDFSChannelRoam ==
		    SIR_ROAMING_DFS_CHANNEL_DISABLED) {
			scan_params->scan_ctrl_flags |= WMI_SCAN_BYPASS_DFS_CHN;
		} else {
			/* Roaming scan on DFS channel is allowed.
			 * No need to change any flags for default
			 * allowDFSChannelRoam = 1.
			 * Special case where static channel list is given by\
			 * application that contains DFS channels.
			 * Assume that the application has knowledge of matching
			 * APs being active and that probe request transmission
			 * is permitted on those channel.
			 * Force active scans on those channels.
			 */

			if (roam_req->allowDFSChannelRoam ==
			    SIR_ROAMING_DFS_CHANNEL_ENABLED_ACTIVE &&
			    roam_req->ChannelCacheType == CHANNEL_LIST_STATIC &&
			    roam_req->ConnectedNetwork.ChannelCount > 0) {
				scan_params->scan_ctrl_flags |=
					WMI_SCAN_FLAG_FORCE_ACTIVE_ON_DFS;
			}
		}
		WMI_SCAN_SET_DWELL_MODE(scan_params->scan_ctrl_flags,
				roam_req->roamscan_adaptive_dwell_mode);

	} else {
		/* roam_req = NULL during initial or pre-assoc invocation */
		scan_params->dwell_time_active =
			WMA_ROAM_DWELL_TIME_ACTIVE_DEFAULT;
		scan_params->dwell_time_passive =
			WMA_ROAM_DWELL_TIME_PASSIVE_DEFAULT;
		scan_params->min_rest_time = WMA_ROAM_MIN_REST_TIME_DEFAULT;
		scan_params->max_rest_time = WMA_ROAM_MAX_REST_TIME_DEFAULT;
		scan_params->repeat_probe_time = 0;
		scan_params->probe_spacing_time = 0;
		scan_params->probe_delay = 0;
		scan_params->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;
		scan_params->idle_time = scan_params->min_rest_time;
		scan_params->burst_duration = 0;
		scan_params->n_probes = 0;
	}

	WMA_LOGD("%s: Rome roam scan parameters:  dwell_time_active = %d, dwell_time_passive = %d",
		 __func__, scan_params->dwell_time_active,
		 scan_params->dwell_time_passive);
	WMA_LOGD("%s: min_rest_time = %d, max_rest_time = %d, repeat_probe_time = %d n_probes = %d",
		 __func__, scan_params->min_rest_time,
		 scan_params->max_rest_time,
		 scan_params->repeat_probe_time, scan_params->n_probes);
	WMA_LOGD("%s: max_scan_time = %d, idle_time = %d, burst_duration = %d, scan_ctrl_flags = 0x%x",
		 __func__, scan_params->max_scan_time, scan_params->idle_time,
		 scan_params->burst_duration, scan_params->scan_ctrl_flags);
}

/**
 * wma_roam_scan_offload_ap_profile() - set roam ap profile in fw
 * @wma_handle: wma handle
 * @ap_profile_p: ap profile
 * @vdev_id: vdev id
 *
 * Send WMI_ROAM_AP_PROFILE to firmware
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_ap_profile(tp_wma_handle wma_handle,
					    wmi_ap_profile *ap_profile_p,
					    uint32_t vdev_id)
{
	return wmi_unified_send_roam_scan_offload_ap_cmd(wma_handle->wmi_handle,
			  ap_profile_p, vdev_id);
}

/**
 * wma_roam_scan_filter() - Filter to be applied while roaming
 * @wma_handle:     Global WMA Handle
 * @roam_req:       Request which contains the filters
 *
 * There are filters such as whitelist, blacklist and preferred
 * list that need to be applied to the scan results to form the
 * probable candidates for roaming.
 *
 * Return: Return success upon succesfully passing the
 *         parameters to the firmware, otherwise failure.
 */
static QDF_STATUS wma_roam_scan_filter(tp_wma_handle wma_handle,
				       tSirRoamOffloadScanReq *roam_req)
{
	int i;
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	uint32_t len = 0, num_bssid_black_list = 0, num_ssid_white_list = 0,
	   num_bssid_preferred_list = 0;
	uint32_t op_bitmap = 0;
	struct roam_ext_params *roam_params;
	struct roam_scan_filter_params *params;

	params = qdf_mem_malloc(sizeof(struct roam_scan_filter_params));
	if (params == NULL) {
		WMA_LOGE("%s : Memory allocation failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}

	roam_params = &roam_req->roam_params;
	if (roam_req->Command != ROAM_SCAN_OFFLOAD_STOP) {
		switch (roam_req->reason) {
		case REASON_ROAM_SET_BLACKLIST_BSSID:
			op_bitmap |= 0x1;
			num_bssid_black_list =
				roam_params->num_bssid_avoid_list;
			len = num_bssid_black_list * sizeof(wmi_mac_addr);
			len += WMI_TLV_HDR_SIZE;
			break;
		case REASON_ROAM_SET_SSID_ALLOWED:
			op_bitmap |= 0x2;
			num_ssid_white_list =
				roam_params->num_ssid_allowed_list;
			len = num_ssid_white_list * sizeof(wmi_ssid);
			len += WMI_TLV_HDR_SIZE;
			break;
		case REASON_ROAM_SET_FAVORED_BSSID:
			op_bitmap |= 0x4;
			num_bssid_preferred_list =
				roam_params->num_bssid_favored;
			len = num_bssid_preferred_list * sizeof(wmi_mac_addr);
			len += WMI_TLV_HDR_SIZE;
			len += num_bssid_preferred_list * sizeof(A_UINT32);
			break;
		default:
			WMA_LOGD("%s : Roam Filter need not be sent", __func__);
			qdf_mem_free(params);
			return QDF_STATUS_SUCCESS;
		}
	} else {
		/* In case of STOP command, reset all the variables
		 * except for blacklist BSSID which should be retained
		 * across connections.
		 */
		op_bitmap = 0x2 | 0x4;
		num_ssid_white_list = roam_params->num_ssid_allowed_list;
		len = num_ssid_white_list * sizeof(wmi_ssid);
		num_bssid_preferred_list = roam_params->num_bssid_favored;
		len += num_bssid_preferred_list * sizeof(wmi_mac_addr);
		len += num_bssid_preferred_list * sizeof(A_UINT32);
		len += (2 * WMI_TLV_HDR_SIZE);
	}

	/* fill in fixed values */
	params->session_id = roam_req->sessionId;
	params->op_bitmap = op_bitmap;
	params->num_bssid_black_list = num_bssid_black_list;
	params->num_ssid_white_list = num_ssid_white_list;
	params->num_bssid_preferred_list = num_bssid_preferred_list;
	params->len = len;
	qdf_mem_copy(params->bssid_avoid_list, roam_params->bssid_avoid_list,
			MAX_BSSID_AVOID_LIST * sizeof(struct qdf_mac_addr));

	for (i = 0; i < num_ssid_white_list; i++) {
		qdf_mem_copy(params->ssid_allowed_list[i].mac_ssid,
				roam_params->ssid_allowed_list[i].ssId,
			roam_params->ssid_allowed_list[i].length);
		params->ssid_allowed_list[i].length =
				roam_params->ssid_allowed_list[i].length;
		WMA_LOGD("%s: SSID length=%d", __func__,
				params->ssid_allowed_list[i].length);
		qdf_trace_hex_dump(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_DEBUG,
			(uint8_t *)params->ssid_allowed_list[i].mac_ssid,
			params->ssid_allowed_list[i].length);
	}
	qdf_mem_copy(params->bssid_favored, roam_params->bssid_favored,
			MAX_BSSID_FAVORED * sizeof(struct qdf_mac_addr));
	qdf_mem_copy(params->bssid_favored_factor,
			roam_params->bssid_favored_factor, MAX_BSSID_FAVORED);

	status = wmi_unified_roam_scan_filter_cmd(wma_handle->wmi_handle,
					params);

	qdf_mem_free(params);
	return status;
}

/**
 * wma_roam_scan_bmiss_cnt() - set bmiss count to fw
 * @wma_handle: wma handle
 * @first_bcnt: first bmiss count
 * @final_bcnt: final bmiss count
 * @vdev_id: vdev id
 *
 * set first & final biss count to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_bmiss_cnt(tp_wma_handle wma_handle,
				   A_INT32 first_bcnt,
				   A_UINT32 final_bcnt, uint32_t vdev_id)
{
	QDF_STATUS status;

	WMA_LOGD("%s: first_bcnt: %d, final_bcnt: %d", __func__, first_bcnt,
		 final_bcnt);

	status = wma_vdev_set_param(wma_handle->wmi_handle,
				vdev_id, WMI_VDEV_PARAM_BMISS_FIRST_BCNT,
				first_bcnt);
	if (QDF_IS_STATUS_ERROR(status)) {
		WMA_LOGE("wma_vdev_set_param WMI_VDEV_PARAM_BMISS_FIRST_BCNT returned Error %d",
			status);
		return status;
	}

	status = wma_vdev_set_param(wma_handle->wmi_handle,
				vdev_id, WMI_VDEV_PARAM_BMISS_FINAL_BCNT,
				final_bcnt);
	if (QDF_IS_STATUS_ERROR(status)) {
		WMA_LOGE("wma_vdev_set_param WMI_VDEV_PARAM_BMISS_FINAL_BCNT returned Error %d",
			status);
		return status;
	}

	return status;
}

/**
 * wma_roam_scan_offload_command() - set roam offload command
 * @wma_handle: wma handle
 * @command: command
 * @vdev_id: vdev id
 *
 * This function set roam offload command to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_offload_command(tp_wma_handle wma_handle,
					 uint32_t command, uint32_t vdev_id)
{
	return wmi_unified_roam_scan_offload_cmd(wma_handle->wmi_handle,
			  command, vdev_id);
}

/**
 * wma_process_roaming_config() - process roam request
 * @wma_handle: wma handle
 * @roam_req: roam request parameters
 *
 * Main routine to handle ROAM commands coming from CSR module.
 *
 * Return: QDF status
 */
QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
				     tSirRoamOffloadScanReq *roam_req)
{
	QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
	wmi_start_scan_cmd_fixed_param scan_params;
	wmi_ap_profile ap_profile;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);
	uint32_t mode = 0;
	struct wma_txrx_node *intr = NULL;

	if (NULL == pMac) {
		WMA_LOGE("%s: pMac is NULL", __func__);
		qdf_mem_free(roam_req);
		return QDF_STATUS_E_FAILURE;
	}

	if (!wma_handle->roam_offload_enabled) {
		/* roam scan offload is not enabled in firmware.
		 * Cannot initialize it in the middle of connection.
		 */
		qdf_mem_free(roam_req);
		return QDF_STATUS_E_PERM;
	}
	WMA_LOGD("%s: roaming in progress set to false for vdev %d",
			__func__, roam_req->sessionId);
	wma_handle->interfaces[roam_req->sessionId].roaming_in_progress = false;
	switch (roam_req->Command) {
	case ROAM_SCAN_OFFLOAD_START:
		intr = &wma_handle->interfaces[roam_req->sessionId];
		intr->delay_before_vdev_stop = roam_req->delay_before_vdev_stop;
		/*
		 * Scan/Roam threshold parameters are translated from fields of
		 * tSirRoamOffloadScanReq to WMITLV values sent to Rome firmware
		 * some of these parameters are configurable in qcom_cfg.ini
		 */

		/* First param is positive rssi value to trigger rssi based scan
		 * Opportunistic scan is started at 30dB > trigger rssi.
		 */
		wma_handle->suitable_ap_hb_failure = false;

		qdf_status = wma_roam_scan_offload_rssi_thresh(wma_handle,
								roam_req);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;
		qdf_status = wma_roam_scan_bmiss_cnt(wma_handle,
					     roam_req->RoamBmissFirstBcnt,
					     roam_req->RoamBmissFinalBcnt,
					     roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		/* Opportunistic scan runs on a timer, value set by
		 * EmptyRefreshScanPeriod. Age out the entries after 3 such
		 * cycles.
		 */
		if (roam_req->EmptyRefreshScanPeriod > 0) {
			qdf_status =
				wma_roam_scan_offload_scan_period(wma_handle,
					  roam_req->EmptyRefreshScanPeriod,
					  roam_req->EmptyRefreshScanPeriod * 3,
					  roam_req->sessionId);
			if (qdf_status != QDF_STATUS_SUCCESS)
				break;

			mode = WMI_ROAM_SCAN_MODE_PERIODIC;
			/* Don't use rssi triggered roam scans if external app
			 * is in control of channel list.
			 */
			if (roam_req->ChannelCacheType != CHANNEL_LIST_STATIC)
				mode |= WMI_ROAM_SCAN_MODE_RSSI_CHANGE;

		} else {
			mode = WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
		}

		/* Start new rssi triggered scan only if it changes by
		 * RoamRssiDiff value. Beacon weight of 14 means average rssi
		 * is taken over 14 previous samples + 2 times the current
		 * beacon's rssi.
		 */
		qdf_status = wma_roam_scan_offload_rssi_change(wma_handle,
					roam_req->sessionId,
					roam_req->RoamRescanRssiDiff,
					roam_req->RoamBeaconRssiWeight,
					roam_req->hi_rssi_scan_delay);

		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		wma_roam_scan_fill_ap_profile(wma_handle, pMac, roam_req,
					      &ap_profile);

		qdf_status = wma_roam_scan_offload_ap_profile(wma_handle,
					      &ap_profile, roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		qdf_status = wma_roam_scan_offload_chan_list(wma_handle,
				roam_req->ConnectedNetwork.ChannelCount,
				&roam_req->ConnectedNetwork.ChannelCache[0],
				roam_req->ChannelCacheType,
				roam_req->sessionId);
		if ((qdf_status != QDF_STATUS_SUCCESS) &&
			(qdf_status != QDF_STATUS_E_EMPTY))
			break;


		wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
					       &scan_params);
		qdf_status =
			wma_roam_scan_offload_mode(wma_handle, &scan_params,
						   roam_req, mode,
						   roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;
		qdf_status = wma_roam_scan_filter(wma_handle, roam_req);
		if (qdf_status != QDF_STATUS_SUCCESS) {
			WMA_LOGE("Sending start for roam scan filter failed");
			break;
		}
		break;

	case ROAM_SCAN_OFFLOAD_STOP:
		wma_handle->suitable_ap_hb_failure = false;
		if (wma_handle->roam_offload_enabled) {
			uint32_t mode;

			wma_roam_scan_fill_scan_params(wma_handle, pMac,
						       NULL, &scan_params);

			if (roam_req->reason == REASON_ROAM_STOP_ALL)
				mode = WMI_ROAM_SCAN_MODE_NONE;
			else
				mode = WMI_ROAM_SCAN_MODE_NONE |
					WMI_ROAM_SCAN_MODE_ROAMOFFLOAD;
			qdf_status = wma_roam_scan_offload_mode(wma_handle,
						&scan_params, NULL, mode,
						roam_req->sessionId);
		}
		/*
		 * If the STOP command is due to a disconnect, then
		 * send the filter command to clear all the filter
		 * entries. If it is roaming scenario, then do not
		 * send the cleared entries.
		 */
		if (!roam_req->middle_of_roaming) {
			qdf_status = wma_roam_scan_filter(wma_handle, roam_req);
			if (qdf_status != QDF_STATUS_SUCCESS) {
				WMA_LOGE("clear for roam scan filter failed");
				break;
			}
		}

		if (roam_req->reason ==
		    REASON_OS_REQUESTED_ROAMING_NOW) {
			struct scheduler_msg cds_msg = {0};
			tSirRoamOffloadScanRsp *scan_offload_rsp;

			scan_offload_rsp =
				qdf_mem_malloc(sizeof(*scan_offload_rsp));
			if (!scan_offload_rsp) {
				WMA_LOGE("%s: Alloc failed for scan_offload_rsp",
					__func__);
				qdf_mem_free(roam_req);
				return QDF_STATUS_E_NOMEM;
			}
			cds_msg.type = eWNI_SME_ROAM_SCAN_OFFLOAD_RSP;
			scan_offload_rsp->sessionId = roam_req->sessionId;
			scan_offload_rsp->reason = roam_req->reason;
			cds_msg.bodyptr = scan_offload_rsp;
			/*
			 * Since REASSOC request is processed in
			 * Roam_Scan_Offload_Rsp post a dummy rsp msg back to
			 * SME with proper reason code.
			 */
			if (QDF_STATUS_SUCCESS !=
			    scheduler_post_msg(QDF_MODULE_ID_SME,
						 &cds_msg)) {
				qdf_mem_free(scan_offload_rsp);
				QDF_TRACE(QDF_MODULE_ID_WMA,
					  QDF_TRACE_LEVEL_INFO,
					  "%s: Failed to post Scan Offload Rsp to UMAC",
					  __func__);
			}
		}
		break;

	case ROAM_SCAN_OFFLOAD_ABORT_SCAN:
		/* If roam scan is running, stop that cycle.
		 * It will continue automatically on next trigger.
		 */
		qdf_status = wma_roam_scan_offload_command(wma_handle,
						   WMI_ROAM_SCAN_STOP_CMD,
						   roam_req->sessionId);
		break;

	case ROAM_SCAN_OFFLOAD_RESTART:
		/* Rome offload engine does not stop after any scan.
		 * If this command is sent because all preauth attempts failed
		 * and WMI_ROAM_REASON_SUITABLE_AP event was received earlier,
		 * now it is time to call it heartbeat failure.
		 */
		if ((roam_req->reason == REASON_PREAUTH_FAILED_FOR_ALL)
		    && wma_handle->suitable_ap_hb_failure) {
			WMA_LOGE("%s: Sending heartbeat failure after preauth failures",
				__func__);
			wma_beacon_miss_handler(wma_handle,
				roam_req->sessionId,
				wma_handle->suitable_ap_hb_failure_rssi);
			wma_handle->suitable_ap_hb_failure = false;
		}
		break;

	case ROAM_SCAN_OFFLOAD_UPDATE_CFG:
		wma_handle->suitable_ap_hb_failure = false;
		wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
					       &scan_params);
		qdf_status =
			wma_roam_scan_offload_mode(wma_handle, &scan_params,
						   roam_req,
						   WMI_ROAM_SCAN_MODE_NONE,
						   roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		if (roam_req->RoamScanOffloadEnabled == false)
			break;

		qdf_status = wma_roam_scan_bmiss_cnt(wma_handle,
					     roam_req->RoamBmissFirstBcnt,
					     roam_req->RoamBmissFinalBcnt,
					     roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;
		qdf_status = wma_roam_scan_filter(wma_handle, roam_req);
		if (qdf_status != QDF_STATUS_SUCCESS) {
			WMA_LOGE("Sending update for roam scan filter failed");
			break;
		}


		/*
		 * Runtime (after association) changes to rssi thresholds and
		 * other parameters.
		 */
		qdf_status = wma_roam_scan_offload_chan_list(wma_handle,
			     roam_req->ConnectedNetwork.ChannelCount,
			     &roam_req->ConnectedNetwork.ChannelCache[0],
			     roam_req->ChannelCacheType,
			     roam_req->sessionId);
		/*
		 * Even though the channel list is empty, we can
		 * still go ahead and start Roaming.
		 */
		if ((qdf_status != QDF_STATUS_SUCCESS) &&
			(qdf_status != QDF_STATUS_E_EMPTY))
			break;


		qdf_status = wma_roam_scan_offload_rssi_thresh(wma_handle,
							       roam_req);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		if (roam_req->EmptyRefreshScanPeriod > 0) {
			qdf_status = wma_roam_scan_offload_scan_period(
					wma_handle,
					roam_req->EmptyRefreshScanPeriod,
					roam_req->EmptyRefreshScanPeriod * 3,
					roam_req->sessionId);
			if (qdf_status != QDF_STATUS_SUCCESS)
				break;

			mode = WMI_ROAM_SCAN_MODE_PERIODIC;
			/* Don't use rssi triggered roam scans if external app
			 * is in control of channel list.
			 */
			if (roam_req->ChannelCacheType != CHANNEL_LIST_STATIC)
				mode |= WMI_ROAM_SCAN_MODE_RSSI_CHANGE;

		} else {
			mode = WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
		}

		qdf_status = wma_roam_scan_offload_rssi_change(wma_handle,
				    roam_req->sessionId,
				    roam_req->RoamRescanRssiDiff,
				    roam_req->RoamBeaconRssiWeight,
				    roam_req->hi_rssi_scan_delay);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		wma_roam_scan_fill_ap_profile(wma_handle, pMac, roam_req,
					      &ap_profile);
		qdf_status = wma_roam_scan_offload_ap_profile(wma_handle,
					&ap_profile, roam_req->sessionId);
		if (qdf_status != QDF_STATUS_SUCCESS)
			break;

		wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
					       &scan_params);
		qdf_status =
			wma_roam_scan_offload_mode(wma_handle, &scan_params,
						   roam_req, mode,
						   roam_req->sessionId);

		break;

	default:
		break;
	}
	qdf_mem_free(roam_req);
	return qdf_status;
}

void wma_update_per_roam_config(WMA_HANDLE handle,
				 struct wmi_per_roam_config_req *req_buf)
{
	int status;
	tp_wma_handle wma_handle = (tp_wma_handle) handle;

	if (!wma_handle || !wma_handle->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, cannot send per roam config",
			__func__);
		return;
	}

	status = wmi_unified_set_per_roam_config(wma_handle->wmi_handle,
						req_buf);
	if (status != EOK)
		WMA_LOGE("%s: failed to set per roam config to FW",
			__func__);
}

#ifdef WLAN_FEATURE_ROAM_OFFLOAD

/**
 * wma_process_roam_invoke() - send roam invoke command to fw.
 * @handle: wma handle
 * @roaminvoke: roam invoke command
 *
 * Send roam invoke command to fw for fastreassoc.
 *
 * Return: none
 */
void wma_process_roam_invoke(WMA_HANDLE handle,
		struct wma_roam_invoke_cmd *roaminvoke)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	uint32_t ch_hz;

	if (!wma_handle || !wma_handle->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not send roam invoke",
				__func__);
		goto free_frame_buf;
	}
	ch_hz = (A_UINT32)cds_chan_to_freq(roaminvoke->channel);
	wmi_unified_roam_invoke_cmd(wma_handle->wmi_handle,
				(struct wmi_roam_invoke_cmd *)roaminvoke,
				ch_hz);
free_frame_buf:
	if (roaminvoke->frame_len) {
		qdf_mem_free(roaminvoke->frame_buf);
		roaminvoke->frame_buf = NULL;
	}
}

/**
 * wma_process_roam_synch_fail() -roam synch failure handle
 * @handle: wma handle
 * @synch_fail: roam synch fail parameters
 *
 * Return: none
 */
void wma_process_roam_synch_fail(WMA_HANDLE handle,
				 struct roam_offload_synch_fail *synch_fail)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	if (!wma_handle || !wma_handle->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not clean-up roam synch",
			__func__);
		return;
	}
	/* Hand Off Failure could happen as an exception, when a roam synch
	 * indication is posted to Host, but a roam synch complete is not
	 * posted to the firmware.So, clear the roam synch in progress
	 * flag before disconnecting the session through this event.
	 */
	wma_handle->interfaces[synch_fail->session_id].roam_synch_in_progress =
		false;
}

/**
 * wma_fill_roam_synch_buffer() - Fill the the roam sync buffer
 * @wma: Global WMA Handle
 * @roam_synch_ind_ptr: Buffer to be filled
 * @param_buf: Source buffer
 *
 * Firmware sends all the required information required for roam
 * synch propagation as TLV's and stored in param_buf. These
 * parameters are parsed and filled into the roam synch indication
 * buffer which will be used at different layers for propagation.
 *
 * Return: Success or Failure
 */
static int wma_fill_roam_synch_buffer(tp_wma_handle wma,
				roam_offload_synch_ind *roam_synch_ind_ptr,
				WMI_ROAM_SYNCH_EVENTID_param_tlvs *param_buf)
{
	wmi_roam_synch_event_fixed_param *synch_event;
	uint8_t *bcn_probersp_ptr;
	uint8_t *reassoc_rsp_ptr;
	uint8_t *reassoc_req_ptr;
	wmi_channel *chan;
	wmi_key_material *key;

	synch_event = param_buf->fixed_param;
	roam_synch_ind_ptr->roamedVdevId = synch_event->vdev_id;
	roam_synch_ind_ptr->authStatus = synch_event->auth_status;
	roam_synch_ind_ptr->roamReason = synch_event->roam_reason;
	roam_synch_ind_ptr->rssi = synch_event->rssi;
	roam_synch_ind_ptr->isBeacon = synch_event->is_beacon;
	WMI_MAC_ADDR_TO_CHAR_ARRAY(&synch_event->bssid,
				   roam_synch_ind_ptr->bssid.bytes);
	WMA_LOGI("%s: roamedVdevId %d authStatus %d roamReason %d rssi %d isBeacon %d",
		__func__, roam_synch_ind_ptr->roamedVdevId,
		roam_synch_ind_ptr->authStatus, roam_synch_ind_ptr->roamReason,
		roam_synch_ind_ptr->rssi, roam_synch_ind_ptr->isBeacon);

	if (!QDF_IS_STATUS_SUCCESS(
		wma->csr_roam_synch_cb((tpAniSirGlobal)wma->mac_context,
		roam_synch_ind_ptr, NULL, SIR_ROAMING_DEREGISTER_STA))) {
		WMA_LOGE("LFR3: CSR Roam synch cb failed");
		return -EINVAL;
	}
	/* Beacon/Probe Rsp data */
	roam_synch_ind_ptr->beaconProbeRespOffset =
		sizeof(roam_offload_synch_ind);
	bcn_probersp_ptr = (uint8_t *) roam_synch_ind_ptr +
		roam_synch_ind_ptr->beaconProbeRespOffset;
	roam_synch_ind_ptr->beaconProbeRespLength =
		synch_event->bcn_probe_rsp_len;
	qdf_mem_copy(bcn_probersp_ptr, param_buf->bcn_probe_rsp_frame,
		     roam_synch_ind_ptr->beaconProbeRespLength);
	/* ReAssoc Rsp data */
	roam_synch_ind_ptr->reassocRespOffset =
		sizeof(roam_offload_synch_ind) +
		roam_synch_ind_ptr->beaconProbeRespLength;
	roam_synch_ind_ptr->reassocRespLength = synch_event->reassoc_rsp_len;
	reassoc_rsp_ptr = (uint8_t *) roam_synch_ind_ptr +
			  roam_synch_ind_ptr->reassocRespOffset;
	qdf_mem_copy(reassoc_rsp_ptr,
		     param_buf->reassoc_rsp_frame,
		     roam_synch_ind_ptr->reassocRespLength);

	/* ReAssoc Req data */
	roam_synch_ind_ptr->reassoc_req_offset =
		sizeof(roam_offload_synch_ind) +
		roam_synch_ind_ptr->beaconProbeRespLength +
		roam_synch_ind_ptr->reassocRespLength;
	roam_synch_ind_ptr->reassoc_req_length = synch_event->reassoc_req_len;
	reassoc_req_ptr = (uint8_t *) roam_synch_ind_ptr +
			  roam_synch_ind_ptr->reassoc_req_offset;
	qdf_mem_copy(reassoc_req_ptr, param_buf->reassoc_req_frame,
		     roam_synch_ind_ptr->reassoc_req_length);

	chan = (wmi_channel *) param_buf->chan;
	roam_synch_ind_ptr->chan_freq = chan->mhz;
	key = (wmi_key_material *) param_buf->key;
	if (key != NULL) {
		qdf_mem_copy(roam_synch_ind_ptr->kck, key->kck,
			     SIR_KCK_KEY_LEN);
		qdf_mem_copy(roam_synch_ind_ptr->kek, key->kek,
			     SIR_KEK_KEY_LEN);
		qdf_mem_copy(roam_synch_ind_ptr->replay_ctr,
			     key->replay_counter, SIR_REPLAY_CTR_LEN);
		WMA_LOGD("%s: KCK dump", __func__);
		QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_DEBUG,
				   key->kck, SIR_KCK_KEY_LEN);
		WMA_LOGD("%s: KEK dump", __func__);
		QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_DEBUG,
				   key->kek, SIR_KEK_KEY_LEN);
		WMA_LOGD("%s: Key Replay Counter dump", __func__);
		QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_DEBUG,
				   key->replay_counter, SIR_REPLAY_CTR_LEN);
	}
	if (param_buf->hw_mode_transition_fixed_param)
		wma_process_pdev_hw_mode_trans_ind(wma,
		    param_buf->hw_mode_transition_fixed_param,
		    param_buf->wmi_pdev_set_hw_mode_response_vdev_mac_mapping,
		    &roam_synch_ind_ptr->hw_mode_trans_ind);
	else
		WMA_LOGD(FL("hw_mode transition fixed param is NULL"));

	return 0;
}

/**
 * wma_roam_update_vdev() - Update the STA and BSS
 * @wma: Global WMA Handle
 * @roam_synch_ind_ptr: Information needed for roam sync propagation
 *
 * This function will perform all the vdev related operations with
 * respect to the self sta and the peer after roaming and completes
 * the roam synch propagation with respect to WMA layer.
 *
 * Return: None
 */
static void wma_roam_update_vdev(tp_wma_handle wma,
				 roam_offload_synch_ind *roam_synch_ind_ptr)
{
	tDeleteBssParams *del_bss_params;
	tDeleteStaParams *del_sta_params;
	tLinkStateParams *set_link_params;
	tAddStaParams *add_sta_params;
	uint8_t vdev_id;

	vdev_id = roam_synch_ind_ptr->roamedVdevId;
	wma->interfaces[vdev_id].nss = roam_synch_ind_ptr->nss;
	del_bss_params = qdf_mem_malloc(sizeof(*del_bss_params));
	del_sta_params = qdf_mem_malloc(sizeof(*del_sta_params));
	set_link_params = qdf_mem_malloc(sizeof(*set_link_params));
	add_sta_params = qdf_mem_malloc(sizeof(*add_sta_params));
	if (!del_bss_params || !del_sta_params ||
		!set_link_params || !add_sta_params) {
		WMA_LOGE("%s: failed to allocate memory", __func__);
		return;
	}
	qdf_mem_zero(del_bss_params, sizeof(*del_bss_params));
	qdf_mem_zero(del_sta_params, sizeof(*del_sta_params));
	qdf_mem_zero(set_link_params, sizeof(*set_link_params));
	qdf_mem_zero(add_sta_params, sizeof(*add_sta_params));

	del_bss_params->smesessionId = vdev_id;
	del_sta_params->smesessionId = vdev_id;
	qdf_mem_copy(del_bss_params->bssid, wma->interfaces[vdev_id].bssid,
			IEEE80211_ADDR_LEN);
	set_link_params->state = eSIR_LINK_PREASSOC_STATE;
	qdf_mem_copy(set_link_params->selfMacAddr,
		roam_synch_ind_ptr->self_mac.bytes, IEEE80211_ADDR_LEN);
	qdf_mem_copy(set_link_params->bssid, roam_synch_ind_ptr->bssid.bytes,
			IEEE80211_ADDR_LEN);
	add_sta_params->staType = STA_ENTRY_SELF;
	add_sta_params->smesessionId = vdev_id;
	qdf_mem_copy(&add_sta_params->bssId, &roam_synch_ind_ptr->bssid.bytes,
			IEEE80211_ADDR_LEN);
	add_sta_params->staIdx = STA_INVALID_IDX;
	add_sta_params->assocId = roam_synch_ind_ptr->aid;

	wma_delete_sta(wma, del_sta_params);
	wma_delete_bss(wma, del_bss_params);
	wma_set_linkstate(wma, set_link_params);
	wma_add_bss(wma, (tpAddBssParams)roam_synch_ind_ptr->add_bss_params);
	wma_add_sta(wma, add_sta_params);
	wma_vdev_set_mlme_state(wma, vdev_id, WLAN_VDEV_S_RUN);
	qdf_mem_copy(wma->interfaces[vdev_id].bssid,
			roam_synch_ind_ptr->bssid.bytes, IEEE80211_ADDR_LEN);
	qdf_mem_free(del_bss_params);
	qdf_mem_free(del_sta_params);
	qdf_mem_free(set_link_params);
	qdf_mem_free(add_sta_params);
}

/**
 * wma_roam_synch_event_handler() - roam synch event handler
 * @handle: wma handle
 * @event: event data
 * @len: length of data
 *
 * This function is roam synch event handler. It sends roam
 * indication for upper layer.
 *
 * Return: Success or Failure status
 */
int wma_roam_synch_event_handler(void *handle, uint8_t *event,
					uint32_t len)
{
	WMI_ROAM_SYNCH_EVENTID_param_tlvs *param_buf = NULL;
	wmi_roam_synch_event_fixed_param *synch_event = NULL;
	tp_wma_handle wma = (tp_wma_handle) handle;
	roam_offload_synch_ind *roam_synch_ind_ptr = NULL;
	tpSirBssDescription  bss_desc_ptr = NULL;
	uint16_t ie_len = 0;
	int status = -EINVAL;
	tSirRoamOffloadScanReq *roam_req;
	qdf_time_t roam_synch_received = qdf_get_system_timestamp();

	WMA_LOGD("LFR3:%s", __func__);
	if (!event) {
		WMA_LOGE("%s: event param null", __func__);
		goto cleanup_label;
	}

	param_buf = (WMI_ROAM_SYNCH_EVENTID_param_tlvs *) event;
	if (!param_buf) {
		WMA_LOGE("%s: received null buf from target", __func__);
		goto cleanup_label;
	}

	synch_event = param_buf->fixed_param;
	if (!synch_event) {
		WMA_LOGE("%s: received null event data from target", __func__);
		goto cleanup_label;
	}

	DPTRACE(qdf_dp_trace_record_event(QDF_DP_TRACE_EVENT_RECORD,
		synch_event->vdev_id, QDF_TRACE_DEFAULT_PDEV_ID,
		QDF_PROTO_TYPE_EVENT, QDF_ROAM_SYNCH));

	if (wma_is_roam_synch_in_progress(wma, synch_event->vdev_id)) {
		WMA_LOGE("%s: Ignoring RSI since one is already in progress",
				__func__);
		goto cleanup_label;
	}
	WMA_LOGE("LFR3: Received WMA_ROAM_OFFLOAD_SYNCH_IND");

	qdf_wake_lock_timeout_acquire(&wma->wow_wake_lock,
				      WMA_ROAM_HO_WAKE_LOCK_DURATION);

	wma->interfaces[synch_event->vdev_id].roam_synch_in_progress = true;
	len = sizeof(roam_offload_synch_ind) +
	      synch_event->bcn_probe_rsp_len + synch_event->reassoc_rsp_len +
	      synch_event->reassoc_req_len;
	roam_synch_ind_ptr = (roam_offload_synch_ind *)qdf_mem_malloc(len);
	if (!roam_synch_ind_ptr) {
		WMA_LOGE("%s: failed to allocate memory for roam_synch_event",
			 __func__);
		QDF_ASSERT(roam_synch_ind_ptr != NULL);
		status = -ENOMEM;
		goto cleanup_label;
	}
	qdf_mem_zero(roam_synch_ind_ptr, len);
	status = wma_fill_roam_synch_buffer(wma,
			roam_synch_ind_ptr, param_buf);
	if (status != 0)
		goto cleanup_label;
	/* 24 byte MAC header and 12 byte to ssid IE */
	if (roam_synch_ind_ptr->beaconProbeRespLength >
			(SIR_MAC_HDR_LEN_3A + SIR_MAC_B_PR_SSID_OFFSET)) {
		ie_len = roam_synch_ind_ptr->beaconProbeRespLength -
			(SIR_MAC_HDR_LEN_3A + SIR_MAC_B_PR_SSID_OFFSET);
	} else {
		WMA_LOGE("LFR3: Invalid Beacon Length");
		goto cleanup_label;
	}
	bss_desc_ptr = qdf_mem_malloc(sizeof(tSirBssDescription) + ie_len);
	if (NULL == bss_desc_ptr) {
		WMA_LOGE("LFR3: mem alloc failed!");
		QDF_ASSERT(bss_desc_ptr != NULL);
		status = -ENOMEM;
		goto cleanup_label;
	}
	qdf_mem_zero(bss_desc_ptr, sizeof(tSirBssDescription) + ie_len);
	if (QDF_IS_STATUS_ERROR(wma->pe_roam_synch_cb(
			(tpAniSirGlobal)wma->mac_context,
			roam_synch_ind_ptr, bss_desc_ptr))) {
		WMA_LOGE("LFR3: PE roam synch cb failed");
		status = -EBUSY;
		goto cleanup_label;
	}

	wma_roam_update_vdev(wma, roam_synch_ind_ptr);
	wma->csr_roam_synch_cb((tpAniSirGlobal)wma->mac_context,
		roam_synch_ind_ptr, bss_desc_ptr, SIR_ROAM_SYNCH_PROPAGATION);
	wma_process_roam_synch_complete(wma, synch_event->vdev_id);

	/* update freq and channel width */
	wma->interfaces[synch_event->vdev_id].mhz =
		roam_synch_ind_ptr->chan_freq;
	if (roam_synch_ind_ptr->join_rsp)
		wma->interfaces[synch_event->vdev_id].chan_width =
			roam_synch_ind_ptr->join_rsp->vht_channel_width;

	wma->csr_roam_synch_cb((tpAniSirGlobal)wma->mac_context,
		roam_synch_ind_ptr, bss_desc_ptr, SIR_ROAM_SYNCH_COMPLETE);
	wma->interfaces[synch_event->vdev_id].roam_synch_delay =
		qdf_get_system_timestamp() - roam_synch_received;
	WMA_LOGD("LFR3: roam_synch_delay:%d",
		wma->interfaces[synch_event->vdev_id].roam_synch_delay);
	wma->csr_roam_synch_cb((tpAniSirGlobal)wma->mac_context,
		roam_synch_ind_ptr, bss_desc_ptr, SIR_ROAM_SYNCH_NAPI_OFF);

	status = 0;

cleanup_label:
	if (status != 0) {
		if (roam_synch_ind_ptr)
			wma->csr_roam_synch_cb((tpAniSirGlobal)wma->mac_context,
				roam_synch_ind_ptr, NULL, SIR_ROAMING_ABORT);
		roam_req = qdf_mem_malloc(sizeof(tSirRoamOffloadScanReq));
		if (roam_req) {
			roam_req->Command = ROAM_SCAN_OFFLOAD_STOP;
			roam_req->reason = REASON_ROAM_SYNCH_FAILED;
			wma_process_roaming_config(wma, roam_req);
		}
	}
	if (roam_synch_ind_ptr && roam_synch_ind_ptr->join_rsp)
		qdf_mem_free(roam_synch_ind_ptr->join_rsp);
	if (roam_synch_ind_ptr)
		qdf_mem_free(roam_synch_ind_ptr);
	if (bss_desc_ptr)
		qdf_mem_free(bss_desc_ptr);
	if (wma && synch_event)
		wma->interfaces[synch_event->vdev_id].roam_synch_in_progress =
			false;

	return status;
}

/**
 * wma_roam_scan_fill_self_caps() - fill capabilities
 * @wma_handle: wma handle
 * @roam_offload_params: offload parameters
 * @roam_req: roam request
 *
 * This function fills roam self capablities.
 *
 * Return: QDF status
 */
QDF_STATUS wma_roam_scan_fill_self_caps(tp_wma_handle wma_handle,
					roam_offload_param *
					roam_offload_params,
					tSirRoamOffloadScanReq *roam_req)
{
	struct sAniSirGlobal *pMac = NULL;
	tSirMacCapabilityInfo selfCaps;
	uint32_t val = 0;
	uint32_t nCfgValue;
	uint16_t *pCfgValue16;
	uint8_t nCfgValue8, *pCfgValue8;
	tSirMacQosInfoStation macQosInfoSta;
	union {
		uint16_t nCfgValue16;
		tSirMacHTCapabilityInfo htCapInfo;
		tSirMacExtendedHTCapabilityInfo extHtCapInfo;
	} uHTCapabilityInfo;

	qdf_mem_set(&macQosInfoSta, sizeof(tSirMacQosInfoStation), 0);
	/* Roaming is done only for INFRA STA type.
	 * So, ess will be one and ibss will be Zero
	 */
	pMac = cds_get_context(QDF_MODULE_ID_PE);
	if (!pMac) {
		WMA_LOGE("%s:NULL pMac ptr. Exiting", __func__);
		QDF_ASSERT(0);
		return QDF_STATUS_E_FAILURE;
	}

	if (wlan_cfg_get_int(pMac, WNI_CFG_PRIVACY_ENABLED, &val) !=
							 eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_PRIVACY_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	selfCaps.ess = 1;
	selfCaps.ibss = 0;
	if (val)
		selfCaps.privacy = 1;
	if (wlan_cfg_get_int(pMac, WNI_CFG_SHORT_PREAMBLE, &val) !=
							 eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_SHORT_PREAMBLE");
		return QDF_STATUS_E_FAILURE;
	}
	if (val)
		selfCaps.shortPreamble = 1;

	selfCaps.pbcc = 0;
	selfCaps.channelAgility = 0;
	if (wlan_cfg_get_int(pMac, WNI_CFG_11G_SHORT_SLOT_TIME_ENABLED,
			     &val) != eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_11G_SHORT_SLOT_TIME_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	if (val)
		selfCaps.shortSlotTime = 1;
	if (wlan_cfg_get_int(pMac, WNI_CFG_11H_ENABLED, &val) != eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_11H_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	if (val)
		selfCaps.spectrumMgt = 1;
	if (wlan_cfg_get_int(pMac, WNI_CFG_QOS_ENABLED, &val) != eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_QOS_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	if (val)
		selfCaps.qos = 1;
	if (wlan_cfg_get_int(pMac, WNI_CFG_APSD_ENABLED, &val) !=
								eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_APSD_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	if (val)
		selfCaps.apsd = 1;

	selfCaps.rrm = pMac->rrm.rrmSmeContext.rrmConfig.rrm_enabled;

	if (wlan_cfg_get_int(pMac, WNI_CFG_BLOCK_ACK_ENABLED, &val) !=
	    eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_BLOCK_ACK_ENABLED");
		return QDF_STATUS_E_FAILURE;
	}
	selfCaps.delayedBA =
		(uint16_t) ((val >> WNI_CFG_BLOCK_ACK_ENABLED_DELAYED) & 1);
	selfCaps.immediateBA =
		(uint16_t) ((val >> WNI_CFG_BLOCK_ACK_ENABLED_IMMEDIATE) & 1);
	pCfgValue16 = (uint16_t *) &selfCaps;
	roam_offload_params->capability = (*pCfgValue16) & 0xFFFF;

	if (wlan_cfg_get_int(pMac, WNI_CFG_HT_CAP_INFO, &nCfgValue) !=
	    eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_HT_CAP_INFO");
		return QDF_STATUS_E_FAILURE;
	}
	uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF;
	roam_offload_params->ht_caps_info =
		uHTCapabilityInfo.nCfgValue16 & 0xFFFF;
	if (wlan_cfg_get_int(pMac, WNI_CFG_HT_AMPDU_PARAMS, &nCfgValue) !=
	    eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_HT_AMPDU_PARAMS");
		return QDF_STATUS_E_FAILURE;
	}
	/* tSirMacHTParametersInfo */
	nCfgValue8 = (uint8_t) nCfgValue;
	roam_offload_params->ampdu_param = (nCfgValue8) & 0xFF;

	val = ROAM_OFFLOAD_NUM_MCS_SET;
	if (wlan_cfg_get_str(pMac, WNI_CFG_SUPPORTED_MCS_SET,
			     (uint8_t *) roam_offload_params->mcsset,
			     &val) != eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_SUPPORTED_MCS_SET");
		return QDF_STATUS_E_FAILURE;
	}
	if (wlan_cfg_get_int(pMac, WNI_CFG_EXT_HT_CAP_INFO, &nCfgValue) !=
	    eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_EXT_HT_CAP_INFO");
		return QDF_STATUS_E_FAILURE;
	}
	/* uHTCapabilityInfo.extHtCapInfo */
	uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF;
	roam_offload_params->ht_ext_cap =
		uHTCapabilityInfo.nCfgValue16 & 0xFFFF;

	if (wlan_cfg_get_int(pMac, WNI_CFG_TX_BF_CAP, &nCfgValue) !=
								eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_TX_BF_CAP");
		return QDF_STATUS_E_FAILURE;
	}
	/* tSirMacTxBFCapabilityInfo */
	nCfgValue8 = (uint8_t) nCfgValue;
	roam_offload_params->ht_txbf = nCfgValue8 & 0xFF;
	if (wlan_cfg_get_int(pMac, WNI_CFG_AS_CAP, &nCfgValue) !=
								eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_AS_CAP");
		return QDF_STATUS_E_FAILURE;
	}
	/* tSirMacASCapabilityInfo */
	nCfgValue8 = (uint8_t) nCfgValue;
	roam_offload_params->asel_cap = nCfgValue8 & 0xFF;

	/* QOS Info */
	if (wlan_cfg_get_int(pMac, WNI_CFG_MAX_SP_LENGTH, &nCfgValue) !=
	    eSIR_SUCCESS) {
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  "Failed to get WNI_CFG_MAX_SP_LENGTH");
		return QDF_STATUS_E_FAILURE;
	}
	nCfgValue8 = (uint8_t) nCfgValue;
	macQosInfoSta.maxSpLen = nCfgValue8;
	macQosInfoSta.moreDataAck = 0;
	macQosInfoSta.qack = 0;
	macQosInfoSta.acbe_uapsd = roam_req->AcUapsd.acbe_uapsd;
	macQosInfoSta.acbk_uapsd = roam_req->AcUapsd.acbk_uapsd;
	macQosInfoSta.acvi_uapsd = roam_req->AcUapsd.acvi_uapsd;
	macQosInfoSta.acvo_uapsd = roam_req->AcUapsd.acvo_uapsd;
	pCfgValue8 = (uint8_t *) &macQosInfoSta;
	/* macQosInfoSta Only queue_request is set.Refer to
	 * populate_dot11f_wmm_caps for more details
	 */
	roam_offload_params->qos_caps = (*pCfgValue8) & 0xFF;
	if (roam_offload_params->qos_caps)
		roam_offload_params->qos_enabled = true;
	roam_offload_params->wmm_caps = 0x4 & 0xFF;
	return QDF_STATUS_SUCCESS;
}

/**
 * wma_set_ric_req() - set ric request element
 * @wma: wma handle
 * @msg: message
 * @is_add_ts: is addts required
 *
 * This function sets ric request element for 11r roaming.
 *
 * Return: none
 */
void wma_set_ric_req(tp_wma_handle wma, void *msg, uint8_t is_add_ts)
{
	if (!wma) {
		WMA_LOGE("%s: wma handle is NULL", __func__);
		return;
	}

	wmi_unified_set_ric_req_cmd(wma->wmi_handle, msg, is_add_ts);
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */

/**
 * wma_rssi_breached_event_handler() - rssi breached event handler
 * @handle: wma handle
 * @cmd_param_info: event handler data
 * @len: length of @cmd_param_info
 *
 * Return: 0 on success; error number otherwise
 */
int wma_rssi_breached_event_handler(void *handle,
				u_int8_t  *cmd_param_info, u_int32_t len)
{
	WMI_RSSI_BREACH_EVENTID_param_tlvs *param_buf;
	wmi_rssi_breach_event_fixed_param  *event;
	struct rssi_breach_event  rssi;
	tpAniSirGlobal mac = cds_get_context(QDF_MODULE_ID_PE);

	if (!mac) {
		WMA_LOGE("%s: Invalid mac context", __func__);
		return -EINVAL;
	}
	if (!mac->sme.rssi_threshold_breached_cb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_RSSI_BREACH_EVENTID_param_tlvs *)cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid rssi breached event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;

	rssi.request_id = event->request_id;
	rssi.session_id = event->vdev_id;
	rssi.curr_rssi = event->rssi + WMA_TGT_NOISE_FLOOR_DBM;
	WMI_MAC_ADDR_TO_CHAR_ARRAY(&event->bssid, rssi.curr_bssid.bytes);

	WMA_LOGD("%s: req_id: %u vdev_id: %d curr_rssi: %d", __func__,
		rssi.request_id, rssi.session_id, rssi.curr_rssi);
	WMA_LOGI("%s: curr_bssid: %pM", __func__, rssi.curr_bssid.bytes);

	mac->sme.rssi_threshold_breached_cb(mac->hHdd, &rssi);
	WMA_LOGD("%s: Invoke HDD rssi breached callback", __func__);
	return 0;
}

/**
 * wma_process_unit_test_cmd() - send unit test command to fw.
 * @handle: wma handle
 * @wma_utest: unit test command
 *
 * This function send unit test command to fw.
 *
 * Return: none
 */
void wma_process_unit_test_cmd(WMA_HANDLE handle,
			       t_wma_unit_test_cmd *wma_utest)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;

	if (!wma_handle || !wma_handle->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue fw unit test cmd",
			 __func__);
		return;
	}

	if (wmi_unified_unit_test_cmd(wma_handle->wmi_handle,
				 (struct wmi_unit_test_cmd *)wma_utest)) {
		return;
	}
}

#ifdef WLAN_FEATURE_ROAM_OFFLOAD
/**
 * wma_roam_ho_fail_handler() - LFR3.0 roam hand off failed handler
 * @wma: wma handle
 * @vdev_id: vdev id
 *
 * Return: none
 */
static void wma_roam_ho_fail_handler(tp_wma_handle wma, uint32_t vdev_id)
{
	tSirSmeHOFailureInd *ho_failure_ind;
	struct scheduler_msg sme_msg = { 0 };
	QDF_STATUS qdf_status;

	ho_failure_ind = qdf_mem_malloc(sizeof(tSirSmeHOFailureInd));

	if (NULL == ho_failure_ind) {
		WMA_LOGE("%s: Memory allocation failure", __func__);
		return;
	}
	ho_failure_ind->sessionId = vdev_id;
	sme_msg.type = eWNI_SME_HO_FAIL_IND;
	sme_msg.bodyptr = ho_failure_ind;
	sme_msg.bodyval = 0;

	qdf_status = scheduler_post_msg(QDF_MODULE_ID_SME, &sme_msg);
	if (!QDF_IS_STATUS_SUCCESS(qdf_status)) {
		WMA_LOGE("Fail to post eWNI_SME_HO_FAIL_IND msg to SME");
		qdf_mem_free(ho_failure_ind);
		return;
	}
}

/**
 * wma_process_roam_synch_complete() - roam synch complete command to fw.
 * @handle: wma handle
 * @synchcnf: offload synch confirmation params
 *
 * This function sends roam synch complete event to fw.
 *
 * Return: none
 */
void wma_process_roam_synch_complete(WMA_HANDLE handle, uint8_t vdev_id)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;

	if (!wma_handle || !wma_handle->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue roam synch cnf",
			 __func__);
		return;
	}

	if (wmi_unified_roam_synch_complete_cmd(wma_handle->wmi_handle,
				 vdev_id)) {
		return;
	}

	DPTRACE(qdf_dp_trace_record_event(QDF_DP_TRACE_EVENT_RECORD,
		vdev_id, QDF_TRACE_DEFAULT_PDEV_ID,
		QDF_PROTO_TYPE_EVENT, QDF_ROAM_COMPLETE));

	WMA_LOGE("LFR3: Posting WMA_ROAM_OFFLOAD_SYNCH_CNF");
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */

/**
 * wma_switch_channel() -  WMA api to switch channel dynamically
 * @wma: Pointer of WMA context
 * @req: Pointer vdev_start having channel switch info.
 *
 * Return: 0 for success, otherwise appropriate error code
 */
static QDF_STATUS wma_switch_channel(tp_wma_handle wma,
				     struct wma_vdev_start_req *req)
{

	wmi_buf_t buf;
	wmi_channel *cmd;
	int32_t len, ret;
	WLAN_PHY_MODE chanmode;
	struct wma_txrx_node *intr = wma->interfaces;
	tpAniSirGlobal pmac;

	pmac = cds_get_context(QDF_MODULE_ID_PE);

	if (pmac == NULL) {
		WMA_LOGE("%s: vdev start failed as pmac is NULL", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	len = sizeof(*cmd);
	buf = wmi_buf_alloc(wma->wmi_handle, len);
	if (!buf) {
		WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}
	cmd = (wmi_channel *)wmi_buf_data(buf);
	WMITLV_SET_HDR(&cmd->tlv_header,
		       WMITLV_TAG_STRUC_wmi_channel,
		       WMITLV_GET_STRUCT_TLVLEN(wmi_channel));

	/* Fill channel info */
	cmd->mhz = cds_chan_to_freq(req->chan);
	chanmode = wma_chan_phy_mode(req->chan, req->chan_width,
				    req->dot11_mode);

	intr[req->vdev_id].chanmode = chanmode; /* save channel mode */
	intr[req->vdev_id].ht_capable = req->ht_capable;
	intr[req->vdev_id].vht_capable = req->vht_capable;
	intr[req->vdev_id].config.gtx_info.gtxRTMask[0] =
						CFG_TGT_DEFAULT_GTX_HT_MASK;
	intr[req->vdev_id].config.gtx_info.gtxRTMask[1] =
						CFG_TGT_DEFAULT_GTX_VHT_MASK;

	if (wlan_cfg_get_int(pmac, WNI_CFG_TGT_GTX_USR_CFG,
	    &intr[req->vdev_id].config.gtx_info.gtxUsrcfg) != eSIR_SUCCESS) {
		intr[req->vdev_id].config.gtx_info.gtxUsrcfg =
						WNI_CFG_TGT_GTX_USR_CFG_STADEF;
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_WARN,
			  "Failed to get WNI_CFG_TGT_GTX_USR_CFG");
	}

	intr[req->vdev_id].config.gtx_info.gtxPERThreshold =
					CFG_TGT_DEFAULT_GTX_PER_THRESHOLD;
	intr[req->vdev_id].config.gtx_info.gtxPERMargin =
					CFG_TGT_DEFAULT_GTX_PER_MARGIN;
	intr[req->vdev_id].config.gtx_info.gtxTPCstep =
					CFG_TGT_DEFAULT_GTX_TPC_STEP;
	intr[req->vdev_id].config.gtx_info.gtxTPCMin =
					CFG_TGT_DEFAULT_GTX_TPC_MIN;
	intr[req->vdev_id].config.gtx_info.gtxBWMask =
					CFG_TGT_DEFAULT_GTX_BW_MASK;
	intr[req->vdev_id].mhz = cmd->mhz;

	WMI_SET_CHANNEL_MODE(cmd, chanmode);
	cmd->band_center_freq1 = cmd->mhz;

	if (chanmode == MODE_11AC_VHT80)
		cmd->band_center_freq1 =
			cds_chan_to_freq(req->ch_center_freq_seg0);

	if ((chanmode == MODE_11NA_HT40) || (chanmode == MODE_11NG_HT40) ||
			(chanmode == MODE_11AC_VHT40)) {
		if (req->chan_width == CH_WIDTH_80MHZ)
			cmd->band_center_freq1 += 10;
		else
			cmd->band_center_freq1 -= 10;
	}
	cmd->band_center_freq2 = 0;

	/* Set half or quarter rate WMI flags */
	if (req->is_half_rate)
		WMI_SET_CHANNEL_FLAG(cmd, WMI_CHAN_FLAG_HALF_RATE);
	else if (req->is_quarter_rate)
		WMI_SET_CHANNEL_FLAG(cmd, WMI_CHAN_FLAG_QUARTER_RATE);

	/* Find out min, max and regulatory power levels */
	WMI_SET_CHANNEL_REG_POWER(cmd, req->max_txpow);
	WMI_SET_CHANNEL_MAX_TX_POWER(cmd, req->max_txpow);


	WMA_LOGE("%s: freq %d channel %d chanmode %d center_chan %d center_freq2 %d reg_info_1: 0x%x reg_info_2: 0x%x, req->max_txpow: 0x%x",
		 __func__, cmd->mhz, req->chan, chanmode,
		 cmd->band_center_freq1, cmd->band_center_freq2,
		 cmd->reg_info_1, cmd->reg_info_2, req->max_txpow);


	ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
				   WMI_PDEV_SET_CHANNEL_CMDID);

	if (ret < 0) {
		WMA_LOGP("%s: Failed to send vdev start command", __func__);
		wmi_buf_free(buf);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * wma_set_channel() - set channel
 * @wma: wma handle
 * @params: switch channel parameters
 *
 * Return: none
 */
void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
{
	struct wma_vdev_start_req req;
	struct wma_target_req *msg;
	QDF_STATUS status = QDF_STATUS_SUCCESS;
	uint8_t vdev_id, peer_id;
	void *peer;
	struct cdp_pdev *pdev;
	struct wma_txrx_node *intr = wma->interfaces;
	struct policy_mgr_hw_mode_params hw_mode = {0};
	void *soc = cds_get_context(QDF_MODULE_ID_SOC);

	WMA_LOGD("%s: Enter", __func__);
	if (!wma_find_vdev_by_addr(wma, params->selfStaMacAddr, &vdev_id)) {
		WMA_LOGP("%s: Failed to find vdev id for %pM",
			 __func__, params->selfStaMacAddr);
		status = QDF_STATUS_E_FAILURE;
		goto send_resp;
	}
	pdev = cds_get_context(QDF_MODULE_ID_TXRX);
	if (NULL == pdev) {
		WMA_LOGE("%s: Failed to get pdev", __func__);
		status = QDF_STATUS_E_FAILURE;
		goto send_resp;
	}

	peer = cdp_peer_find_by_addr(soc,
			pdev,
			intr[vdev_id].bssid, &peer_id);

	qdf_mem_zero(&req, sizeof(req));
	req.vdev_id = vdev_id;
	req.chan = params->channelNumber;
	req.chan_width = params->ch_width;

	if (params->ch_width == CH_WIDTH_10MHZ)
		req.is_half_rate = 1;
	else if (params->ch_width == CH_WIDTH_5MHZ)
		req.is_quarter_rate = 1;

	req.vht_capable = params->vhtCapable;
	req.ch_center_freq_seg0 = params->ch_center_freq_seg0;
	req.ch_center_freq_seg1 = params->ch_center_freq_seg1;
	req.dot11_mode = params->dot11_mode;
	wma_update_vdev_he_capable(&req, params);

	WMA_LOGI(FL("vht_capable: %d, dot11_mode: %d"),
		 req.vht_capable, req.dot11_mode);

	status = policy_mgr_get_current_hw_mode(wma->psoc, &hw_mode);
	if (!QDF_IS_STATUS_SUCCESS(status))
		WMA_LOGE("policy_mgr_get_current_hw_mode failed");

	if ((params->nss == 2) && !hw_mode.dbs_cap) {
		req.preferred_rx_streams = 2;
		req.preferred_tx_streams = 2;
	} else {
		req.preferred_rx_streams = 1;
		req.preferred_tx_streams = 1;
	}

	req.max_txpow = params->maxTxPower;
	req.beacon_intval = 100;
	req.dtim_period = 1;
	req.is_dfs = params->isDfsChannel;
	req.cac_duration_ms = params->cac_duration_ms;
	req.dfs_regdomain = params->dfs_regdomain;

	/* In case of AP mode, once radar is detected, we need to
	 * issuse VDEV RESTART, so we making is_channel_switch as
	 * true
	 */
	if ((wma_is_vdev_in_ap_mode(wma, req.vdev_id) == true) ||
		(params->restart_on_chan_switch == true))
		wma->interfaces[req.vdev_id].is_channel_switch = true;

	if (QDF_GLOBAL_MONITOR_MODE == cds_get_conparam() &&
	    wma_is_vdev_up(vdev_id)) {
		status = wma_switch_channel(wma, &req);
		if (status != QDF_STATUS_SUCCESS)
			WMA_LOGE("%s: wma_switch_channel failed %d\n", __func__,
				 status);

		/* This is temporary, should be removed */
		ol_htt_mon_note_chan(pdev, req.chan);
	} else {

		msg = wma_fill_vdev_req(wma, req.vdev_id, WMA_CHNL_SWITCH_REQ,
				WMA_TARGET_REQ_TYPE_VDEV_START, params,
				WMA_VDEV_START_REQUEST_TIMEOUT);
		if (!msg) {
			WMA_LOGP("%s: Failed to fill channel switch request for vdev %d",
				__func__, req.vdev_id);
			status = QDF_STATUS_E_NOMEM;
			goto send_resp;
		}
		status = wma_vdev_start(wma, &req,
				wma->interfaces[req.vdev_id].is_channel_switch);
		if (status != QDF_STATUS_SUCCESS) {
			wma_remove_vdev_req(wma, req.vdev_id,
					    WMA_TARGET_REQ_TYPE_VDEV_START);
			WMA_LOGP("%s: vdev start failed status = %d", __func__,
				status);
			goto send_resp;
		}

		/* This is temporary, should be removed */
		if (QDF_GLOBAL_MONITOR_MODE == cds_get_conparam())
			ol_htt_mon_note_chan(pdev, req.chan);
	}
	return;
send_resp:
	WMA_LOGD("%s: channel %d ch_width %d txpower %d status %d", __func__,
		 params->channelNumber, params->ch_width,
		 params->maxTxPower,
		 status);
	params->status = status;
	WMA_LOGI("%s: sending WMA_SWITCH_CHANNEL_RSP, status = 0x%x",
		 __func__, status);
	wma_send_msg(wma, WMA_SWITCH_CHANNEL_RSP, (void *)params, 0);
}

#ifdef FEATURE_WLAN_ESE
/**
 * wma_plm_start() - plm start request
 * @wma: wma handle
 * @plm: plm request parameters
 *
 * This function request FW to start PLM.
 *
 * Return: QDF status
 */
QDF_STATUS wma_plm_start(tp_wma_handle wma, const tpSirPlmReq plm)
{
	struct plm_req_params params = {0};
	uint32_t num_channels;
	uint32_t *channel_list = NULL;
	uint32_t i;
	QDF_STATUS status;

	if (NULL == plm || NULL == wma) {
		WMA_LOGE("%s: input pointer is NULL ", __func__);
		return QDF_STATUS_E_FAILURE;
	}
	WMA_LOGD("PLM Start");

	num_channels =  plm->plmNumCh;

	if (num_channels) {
		channel_list = qdf_mem_malloc(sizeof(uint32_t) * num_channels);
		if (!channel_list)
			return QDF_STATUS_E_FAILURE;

		for (i = 0; i < num_channels; i++) {
			channel_list[i] = plm->plmChList[i];

			if (channel_list[i] < WMA_NLO_FREQ_THRESH)
				channel_list[i] =
					cds_chan_to_freq(channel_list[i]);
		}
	}

	params.diag_token = plm->diag_token;
	params.meas_token = plm->meas_token;
	params.num_bursts = plm->numBursts;
	params.burst_int = plm->burstInt;
	params.meas_duration = plm->measDuration;
	params.burst_len = plm->burstLen;
	params.desired_tx_pwr = plm->desiredTxPwr;
	params.plm_num_ch = plm->plmNumCh;
	params.session_id = plm->sessionId;
	params.enable = plm->enable;
	qdf_mem_copy(&params.mac_addr, &plm->mac_addr,
			sizeof(struct qdf_mac_addr));
	qdf_mem_copy(params.plm_ch_list, plm->plmChList,
				WMI_CFG_VALID_CHANNEL_LIST_LEN);

	status = wmi_unified_plm_start_cmd(wma->wmi_handle,
				&params, channel_list);
	if (QDF_IS_STATUS_ERROR(status)) {
		qdf_mem_free(channel_list);
		return status;
	}

	qdf_mem_free(channel_list);
	wma->interfaces[plm->sessionId].plm_in_progress = true;

	WMA_LOGD("Plm start request sent successfully for vdev %d",
		 plm->sessionId);

	return status;
}

/**
 * wma_plm_stop() - plm stop request
 * @wma: wma handle
 * @plm: plm request parameters
 *
 * This function request FW to stop PLM.
 *
 * Return: QDF status
 */
QDF_STATUS wma_plm_stop(tp_wma_handle wma, const tpSirPlmReq plm)
{
	struct plm_req_params params = {0};
	QDF_STATUS status;

	if (NULL == plm || NULL == wma) {
		WMA_LOGE("%s: input pointer is NULL ", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	if (false == wma->interfaces[plm->sessionId].plm_in_progress) {
		WMA_LOGE("No active plm req found, skip plm stop req");
		return QDF_STATUS_E_FAILURE;
	}

	WMA_LOGD("PLM Stop");

	params.diag_token = plm->diag_token;
	params.meas_token = plm->meas_token;
	params.num_bursts = plm->numBursts;
	params.burst_int = plm->burstInt;
	params.meas_duration = plm->measDuration;
	params.burst_len = plm->burstLen;
	params.desired_tx_pwr = plm->desiredTxPwr;
	params.plm_num_ch = plm->plmNumCh;
	params.session_id = plm->sessionId;
	params.enable = plm->enable;
	qdf_mem_copy(&params.mac_addr, &plm->mac_addr,
			sizeof(struct qdf_mac_addr));
	qdf_mem_copy(params.plm_ch_list, plm->plmChList,
				WMI_CFG_VALID_CHANNEL_LIST_LEN);

	status = wmi_unified_plm_stop_cmd(wma->wmi_handle,
						&params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	wma->interfaces[plm->sessionId].plm_in_progress = false;

	WMA_LOGD("Plm stop request sent successfully for vdev %d",
		 plm->sessionId);

	return status;
}

/**
 * wma_config_plm()- config PLM
 * @wma: wma handle
 * @plm: plm request parameters
 *
 * Return: none
 */
void wma_config_plm(tp_wma_handle wma, tpSirPlmReq plm)
{
	QDF_STATUS ret = 0;

	if (NULL == plm || NULL == wma)
		return;

	if (plm->enable)
		ret = wma_plm_start(wma, plm);
	else
		ret = wma_plm_stop(wma, plm);

	if (ret)
		WMA_LOGE("%s: PLM %s failed %d", __func__,
			 plm->enable ? "start" : "stop", ret);

	/* SME expects WMA to free tpSirPlmReq memory after
	 * processing PLM request.
	 */
	qdf_mem_free(plm);
	plm = NULL;
}
#endif

#ifdef FEATURE_WLAN_EXTSCAN
/**
 * wma_extscan_wow_event_callback() - extscan wow event callback
 * @handle: WMA handle
 * @event: event buffer
 * @len: length of @event buffer
 *
 * In wow case, the wow event is followed by the payload of the event
 * which generated the wow event.
 * payload is 4 bytes of length followed by event buffer. the first 4 bytes
 * of event buffer is common tlv header, which is a combination
 * of tag (higher 2 bytes) and length (lower 2 bytes). The tag is used to
 * identify the event which triggered wow event.
 * Payload is extracted and converted into generic tlv structure before
 * being passed to this function.
 *
 * @Return: Errno
 */
int wma_extscan_wow_event_callback(void *handle, void *event, uint32_t len)
{
	uint32_t tag = WMITLV_GET_TLVTAG(WMITLV_GET_HDR(event));

	switch (tag) {
	case WMITLV_TAG_STRUC_wmi_extscan_start_stop_event_fixed_param:
		return wma_extscan_start_stop_event_handler(handle, event, len);

	case WMITLV_TAG_STRUC_wmi_extscan_operation_event_fixed_param:
		return wma_extscan_operations_event_handler(handle, event, len);

	case WMITLV_TAG_STRUC_wmi_extscan_table_usage_event_fixed_param:
		return wma_extscan_table_usage_event_handler(handle, event,
							     len);

	case WMITLV_TAG_STRUC_wmi_extscan_cached_results_event_fixed_param:
		return wma_extscan_cached_results_event_handler(handle, event,
								len);

	case WMITLV_TAG_STRUC_wmi_extscan_wlan_change_results_event_fixed_param:
		return wma_extscan_change_results_event_handler(handle, event,
								len);

	case WMITLV_TAG_STRUC_wmi_extscan_hotlist_match_event_fixed_param:
		return wma_extscan_hotlist_match_event_handler(handle,	event,
							       len);

	case WMITLV_TAG_STRUC_wmi_extscan_capabilities_event_fixed_param:
		return wma_extscan_capabilities_event_handler(handle, event,
							      len);

	default:
		WMA_LOGE(FL("Unknown tag: %d"), tag);
		return 0;
	}
}
#endif

/**
 * wma_register_extscan_event_handler() - register extscan event handler
 * @wma_handle: wma handle
 *
 * This function register extscan related event handlers.
 *
 * Return: none
 */
void wma_register_extscan_event_handler(tp_wma_handle wma_handle)
{
	if (!wma_handle) {
		WMA_LOGE("%s: extscan wma_handle is NULL", __func__);
		return;
	}
	wmi_unified_register_event_handler(wma_handle->wmi_handle,
					   WMI_EXTSCAN_START_STOP_EVENTID,
					   wma_extscan_start_stop_event_handler,
					   WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
					WMI_EXTSCAN_CAPABILITIES_EVENTID,
					wma_extscan_capabilities_event_handler,
					WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
				WMI_EXTSCAN_HOTLIST_MATCH_EVENTID,
				wma_extscan_hotlist_match_event_handler,
				WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
				WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID,
				wma_extscan_change_results_event_handler,
				WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
				WMI_EXTSCAN_OPERATION_EVENTID,
				wma_extscan_operations_event_handler,
				WMA_RX_SERIALIZER_CTX);
	wmi_unified_register_event_handler(wma_handle->wmi_handle,
				WMI_EXTSCAN_TABLE_USAGE_EVENTID,
				wma_extscan_table_usage_event_handler,
				WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
				WMI_EXTSCAN_CACHED_RESULTS_EVENTID,
				wma_extscan_cached_results_event_handler,
				WMA_RX_SERIALIZER_CTX);

	wmi_unified_register_event_handler(wma_handle->wmi_handle,
			WMI_PASSPOINT_MATCH_EVENTID,
			wma_passpoint_match_event_handler,
			WMA_RX_SERIALIZER_CTX);
}

#ifdef FEATURE_WLAN_EXTSCAN

/**
 * wma_extscan_start_stop_event_handler() -  extscan start/stop event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: data length
 *
 * This function handles different extscan related commands
 * like start/stop/get results etc and indicate to upper layers.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_start_stop_event_handler(void *handle,
					 uint8_t *cmd_param_info,
					 uint32_t len)
{
	WMI_EXTSCAN_START_STOP_EVENTID_param_tlvs *param_buf;
	wmi_extscan_start_stop_event_fixed_param *event;
	struct sir_extscan_generic_response   *extscan_ind;
	uint16_t event_type;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_START_STOP_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid extscan event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	extscan_ind = qdf_mem_malloc(sizeof(*extscan_ind));
	if (!extscan_ind) {
		WMA_LOGE("%s: extscan memory allocation failed", __func__);
		return -ENOMEM;
	}
	switch (event->command) {
	case WMI_EXTSCAN_START_CMDID:
		event_type = eSIR_EXTSCAN_START_RSP;
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		break;
	case WMI_EXTSCAN_STOP_CMDID:
		event_type = eSIR_EXTSCAN_STOP_RSP;
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		break;
	case WMI_EXTSCAN_CONFIGURE_WLAN_CHANGE_MONITOR_CMDID:
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		if (event->mode == WMI_EXTSCAN_MODE_STOP)
			event_type =
				eSIR_EXTSCAN_RESET_SIGNIFICANT_WIFI_CHANGE_RSP;
		else
			event_type =
				eSIR_EXTSCAN_SET_SIGNIFICANT_WIFI_CHANGE_RSP;
		break;
	case WMI_EXTSCAN_CONFIGURE_HOTLIST_MONITOR_CMDID:
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		if (event->mode == WMI_EXTSCAN_MODE_STOP)
			event_type = eSIR_EXTSCAN_RESET_BSSID_HOTLIST_RSP;
		else
			event_type = eSIR_EXTSCAN_SET_BSSID_HOTLIST_RSP;
		break;
	case WMI_EXTSCAN_GET_CACHED_RESULTS_CMDID:
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		event_type = eSIR_EXTSCAN_CACHED_RESULTS_RSP;
		break;
	case WMI_EXTSCAN_CONFIGURE_HOTLIST_SSID_MONITOR_CMDID:
		extscan_ind->status = event->status;
		extscan_ind->request_id = event->request_id;
		if (event->mode == WMI_EXTSCAN_MODE_STOP)
			event_type =
				eSIR_EXTSCAN_RESET_SSID_HOTLIST_RSP;
		else
			event_type =
				eSIR_EXTSCAN_SET_SSID_HOTLIST_RSP;
		break;
	default:
		WMA_LOGE("%s: Unknown event(%d) from target",
			 __func__, event->status);
		qdf_mem_free(extscan_ind);
		return -EINVAL;
	}
	pMac->sme.pExtScanIndCb(pMac->hHdd, event_type, extscan_ind);
	WMA_LOGD("%s: sending event to umac for requestid %u with status %d",
		__func__, extscan_ind->request_id, extscan_ind->status);
	qdf_mem_free(extscan_ind);
	return 0;
}

/**
 * wma_extscan_operations_event_handler() - extscan operation event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length
 *
 * This function handles different operations related event and indicate
 * upper layers with appropriate callback.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_operations_event_handler(void *handle,
					 uint8_t *cmd_param_info,
					 uint32_t len)
{
	tp_wma_handle wma = (tp_wma_handle) handle;
	WMI_EXTSCAN_OPERATION_EVENTID_param_tlvs *param_buf;
	wmi_extscan_operation_event_fixed_param *oprn_event;
	tSirExtScanOnScanEventIndParams *oprn_ind;
	uint32_t cnt;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_OPERATION_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid scan operation event", __func__);
		return -EINVAL;
	}
	oprn_event = param_buf->fixed_param;
	oprn_ind = qdf_mem_malloc(sizeof(*oprn_ind));
	if (!oprn_ind) {
		WMA_LOGE("%s: extscan memory allocation failed", __func__);
		qdf_mem_free(oprn_ind);
		return -ENOMEM;
	}

	oprn_ind->requestId = oprn_event->request_id;

	switch (oprn_event->event) {
	case WMI_EXTSCAN_BUCKET_COMPLETED_EVENT:
		oprn_ind->status = 0;
		goto exit_handler;
	case WMI_EXTSCAN_CYCLE_STARTED_EVENT:
		WMA_LOGD("%s: received WMI_EXTSCAN_CYCLE_STARTED_EVENT",
			 __func__);
		cds_host_diag_log_work(&wma->extscan_wake_lock,
				       WMA_EXTSCAN_CYCLE_WAKE_LOCK_DURATION,
				       WIFI_POWER_EVENT_WAKELOCK_EXT_SCAN);
		qdf_wake_lock_timeout_acquire(&wma->extscan_wake_lock,
				      WMA_EXTSCAN_CYCLE_WAKE_LOCK_DURATION);
		oprn_ind->scanEventType = WIFI_EXTSCAN_CYCLE_STARTED_EVENT;
		oprn_ind->status = 0;
		oprn_ind->buckets_scanned = 0;
		for (cnt = 0; cnt < oprn_event->num_buckets; cnt++)
			oprn_ind->buckets_scanned |=
				(1 << param_buf->bucket_id[cnt]);
		WMA_LOGD(FL("num_buckets %u request_id %u buckets_scanned %u"),
			oprn_event->num_buckets, oprn_ind->requestId,
			oprn_ind->buckets_scanned);
		break;
	case WMI_EXTSCAN_CYCLE_COMPLETED_EVENT:
		WMA_LOGD("%s: received WMI_EXTSCAN_CYCLE_COMPLETED_EVENT",
			 __func__);
		qdf_wake_lock_release(&wma->extscan_wake_lock,
				      WIFI_POWER_EVENT_WAKELOCK_EXT_SCAN);
		oprn_ind->scanEventType = WIFI_EXTSCAN_CYCLE_COMPLETED_EVENT;
		oprn_ind->status = 0;
		/* Set bucket scanned mask to zero on cycle complete */
		oprn_ind->buckets_scanned = 0;
		break;
	case WMI_EXTSCAN_BUCKET_STARTED_EVENT:
		WMA_LOGD("%s: received WMI_EXTSCAN_BUCKET_STARTED_EVENT",
			__func__);
		oprn_ind->scanEventType = WIFI_EXTSCAN_BUCKET_STARTED_EVENT;
		oprn_ind->status = 0;
		goto exit_handler;
	case WMI_EXTSCAN_THRESHOLD_NUM_SCANS:
		WMA_LOGD("%s: received WMI_EXTSCAN_THRESHOLD_NUM_SCANS",
			__func__);
		oprn_ind->scanEventType = WIFI_EXTSCAN_THRESHOLD_NUM_SCANS;
		oprn_ind->status = 0;
		break;
	case WMI_EXTSCAN_THRESHOLD_PERCENT:
		WMA_LOGD("%s: received WMI_EXTSCAN_THRESHOLD_PERCENT",
			__func__);
		oprn_ind->scanEventType = WIFI_EXTSCAN_THRESHOLD_PERCENT;
		oprn_ind->status = 0;
		break;
	default:
		WMA_LOGE("%s: Unknown event(%d) from target",
			 __func__, oprn_event->event);
		qdf_mem_free(oprn_ind);
		return -EINVAL;
	}
	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_SCAN_PROGRESS_EVENT_IND, oprn_ind);
	WMA_LOGI("%s: sending scan progress event to hdd", __func__);
exit_handler:
	qdf_mem_free(oprn_ind);
	return 0;
}

/**
 * wma_extscan_table_usage_event_handler() - extscan table usage event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length
 *
 * This function handles table usage related event and indicate
 * upper layers with appropriate callback.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_table_usage_event_handler(void *handle,
					  uint8_t *cmd_param_info,
					  uint32_t len)
{
	WMI_EXTSCAN_TABLE_USAGE_EVENTID_param_tlvs *param_buf;
	wmi_extscan_table_usage_event_fixed_param *event;
	tSirExtScanResultsAvailableIndParams *tbl_usg_ind;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_TABLE_USAGE_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid table usage event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	tbl_usg_ind = qdf_mem_malloc(sizeof(*tbl_usg_ind));
	if (!tbl_usg_ind) {
		WMA_LOGE("%s: table usage allocation failed", __func__);
		return -ENOMEM;
	}
	tbl_usg_ind->requestId = event->request_id;
	tbl_usg_ind->numResultsAvailable = event->entries_in_use;
	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_SCAN_RES_AVAILABLE_IND,
				tbl_usg_ind);
	WMA_LOGI("%s: sending scan_res available event to hdd", __func__);
	qdf_mem_free(tbl_usg_ind);
	return 0;
}

/**
 * wma_extscan_capabilities_event_handler() - extscan capabilities event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length
 *
 * This function handles capabilities event and indicate
 * upper layers with registered callback.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_capabilities_event_handler(void *handle,
					   uint8_t *cmd_param_info,
					   uint32_t len)
{
	WMI_EXTSCAN_CAPABILITIES_EVENTID_param_tlvs *param_buf;
	wmi_extscan_capabilities_event_fixed_param *event;
	wmi_extscan_cache_capabilities *src_cache;
	wmi_extscan_hotlist_monitor_capabilities *src_hotlist;
	wmi_extscan_wlan_change_monitor_capabilities *src_change;
	struct ext_scan_capabilities_response  *dest_capab;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_CAPABILITIES_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid capabilities event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	src_cache = param_buf->extscan_cache_capabilities;
	src_hotlist = param_buf->hotlist_capabilities;
	src_change = param_buf->wlan_change_capabilities;

	if (!src_cache || !src_hotlist || !src_change) {
		WMA_LOGE("%s: Invalid capabilities list", __func__);
		return -EINVAL;
	}
	dest_capab = qdf_mem_malloc(sizeof(*dest_capab));
	if (!dest_capab) {
		WMA_LOGE("%s: Allocation failed for capabilities buffer",
			 __func__);
		return -ENOMEM;
	}
	dest_capab->requestId = event->request_id;
	dest_capab->max_scan_buckets = src_cache->max_buckets;
	dest_capab->max_scan_cache_size = src_cache->scan_cache_entry_size;
	dest_capab->max_ap_cache_per_scan = src_cache->max_bssid_per_scan;
	dest_capab->max_scan_reporting_threshold =
		src_cache->max_table_usage_threshold;

	dest_capab->max_hotlist_bssids = src_hotlist->max_hotlist_entries;
	dest_capab->max_rssi_sample_size =
					src_change->max_rssi_averaging_samples;
	dest_capab->max_bssid_history_entries =
		src_change->max_rssi_history_entries;
	dest_capab->max_significant_wifi_change_aps =
		src_change->max_wlan_change_entries;
	dest_capab->max_hotlist_ssids =
				event->num_extscan_hotlist_ssid;
	dest_capab->max_number_epno_networks =
				event->num_epno_networks;
	dest_capab->max_number_epno_networks_by_ssid =
				event->num_epno_networks;
	dest_capab->max_number_of_white_listed_ssid =
				event->num_roam_ssid_whitelist;
	dest_capab->max_number_of_black_listed_bssid =
				event->num_roam_bssid_blacklist;
	dest_capab->status = 0;

	WMA_LOGD("%s: request_id: %u status: %d",
		__func__, dest_capab->requestId, dest_capab->status);

	WMA_LOGD("%s: Capabilities: max_scan_buckets: %d, max_hotlist_bssids: %d, max_scan_cache_size: %d, max_ap_cache_per_scan: %d",
		 __func__, dest_capab->max_scan_buckets,
		dest_capab->max_hotlist_bssids, dest_capab->max_scan_cache_size,
		dest_capab->max_ap_cache_per_scan);
	WMA_LOGD("%s: max_scan_reporting_threshold: %d, max_rssi_sample_size: %d, max_bssid_history_entries: %d, max_significant_wifi_change_aps: %d",
		__func__, dest_capab->max_scan_reporting_threshold,
		dest_capab->max_rssi_sample_size,
		dest_capab->max_bssid_history_entries,
		dest_capab->max_significant_wifi_change_aps);

	WMA_LOGD("%s: Capabilities: max_hotlist_ssids: %d, max_number_epno_networks: %d, max_number_epno_networks_by_ssid: %d",
		 __func__, dest_capab->max_hotlist_ssids,
		dest_capab->max_number_epno_networks,
		dest_capab->max_number_epno_networks_by_ssid);
	WMA_LOGD("%s: max_number_of_white_listed_ssid: %d, max_number_of_black_listed_bssid: %d",
		__func__, dest_capab->max_number_of_white_listed_ssid,
		dest_capab->max_number_of_black_listed_bssid);

	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_GET_CAPABILITIES_IND, dest_capab);
	qdf_mem_free(dest_capab);
	return 0;
}

/**
 * wma_extscan_hotlist_match_event_handler() - hotlist match event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length
 *
 * This function handles hotlist match event and indicate
 * upper layers with registered callback.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_hotlist_match_event_handler(void *handle,
					    uint8_t *cmd_param_info,
					    uint32_t len)
{
	WMI_EXTSCAN_HOTLIST_MATCH_EVENTID_param_tlvs *param_buf;
	wmi_extscan_hotlist_match_event_fixed_param *event;
	struct extscan_hotlist_match *dest_hotlist;
	tSirWifiScanResult *dest_ap;
	wmi_extscan_wlan_descriptor *src_hotlist;
	int numap, j, ap_found = 0;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_HOTLIST_MATCH_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid hotlist match event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	src_hotlist = param_buf->hotlist_match;
	numap = event->total_entries;

	if (!src_hotlist || !numap) {
		WMA_LOGE("%s: Hotlist AP's list invalid", __func__);
		return -EINVAL;
	}
	dest_hotlist = qdf_mem_malloc(sizeof(*dest_hotlist) +
				      sizeof(*dest_ap) * numap);
	if (!dest_hotlist) {
		WMA_LOGE("%s: Allocation failed for hotlist buffer", __func__);
		return -ENOMEM;
	}
	dest_ap = &dest_hotlist->ap[0];
	dest_hotlist->numOfAps = event->total_entries;
	dest_hotlist->requestId = event->config_request_id;

	if (event->first_entry_index +
		event->num_entries_in_page < event->total_entries)
		dest_hotlist->moreData = 1;
	else
		dest_hotlist->moreData = 0;

	WMA_LOGD("%s: Hotlist match: requestId: %u,"
		 "numOfAps: %d", __func__,
		 dest_hotlist->requestId, dest_hotlist->numOfAps);

	/*
	 * Currently firmware sends only one bss information in-case
	 * of both hotlist ap found and lost.
	 */
	for (j = 0; j < numap; j++) {
		dest_ap->rssi = 0;
		dest_ap->channel = src_hotlist->channel;
		dest_ap->ts = src_hotlist->tstamp;
		ap_found = src_hotlist->flags & WMI_HOTLIST_FLAG_PRESENCE;
		dest_ap->rtt = src_hotlist->rtt;
		dest_ap->rtt_sd = src_hotlist->rtt_sd;
		dest_ap->beaconPeriod = src_hotlist->beacon_interval;
		dest_ap->capability = src_hotlist->capabilities;
		dest_ap->ieLength = src_hotlist->ie_length;
		WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_hotlist->bssid,
					   dest_ap->bssid.bytes);
		qdf_mem_copy(dest_ap->ssid, src_hotlist->ssid.ssid,
			     src_hotlist->ssid.ssid_len);
		dest_ap->ssid[src_hotlist->ssid.ssid_len] = '\0';
		dest_ap++;
		src_hotlist++;
	}
	dest_hotlist->ap_found = ap_found;
	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_HOTLIST_MATCH_IND, dest_hotlist);
	WMA_LOGI("%s: sending hotlist match event to hdd", __func__);
	qdf_mem_free(dest_hotlist);
	return 0;
}

/** wma_extscan_find_unique_scan_ids() - find unique scan ids
 * @cmd_param_info: event data.
 *
 * This utility function parses the input bss table of information
 * and find the unique number of scan ids
 *
 * Return: 0 on success; error number otherwise
 */
static int wma_extscan_find_unique_scan_ids(const u_int8_t *cmd_param_info)
{
	WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
	wmi_extscan_cached_results_event_fixed_param  *event;
	wmi_extscan_wlan_descriptor  *src_hotlist;
	wmi_extscan_rssi_info  *src_rssi;
	int prev_scan_id, scan_ids_cnt, i;

	param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
						cmd_param_info;
	event = param_buf->fixed_param;
	src_hotlist = param_buf->bssid_list;
	src_rssi = param_buf->rssi_list;

	/* Find the unique number of scan_id's for grouping */
	prev_scan_id = src_rssi->scan_cycle_id;
	scan_ids_cnt = 1;
	for (i = 1; i < event->num_entries_in_page; i++) {
		src_rssi++;

		if (prev_scan_id != src_rssi->scan_cycle_id) {
			scan_ids_cnt++;
			prev_scan_id = src_rssi->scan_cycle_id;
		}
	}

	return scan_ids_cnt;
}

/** wma_fill_num_results_per_scan_id() - fill number of bss per scan id
 * @cmd_param_info: event data.
 * @scan_id_group: pointer to scan id group.
 *
 * This utility function parses the input bss table of information
 * and finds how many bss are there per unique scan id.
 *
 * Return: 0 on success; error number otherwise
 */
static int wma_fill_num_results_per_scan_id(const u_int8_t *cmd_param_info,
			struct extscan_cached_scan_result *scan_id_group)
{
	WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
	wmi_extscan_cached_results_event_fixed_param  *event;
	wmi_extscan_wlan_descriptor  *src_hotlist;
	wmi_extscan_rssi_info  *src_rssi;
	struct extscan_cached_scan_result *t_scan_id_grp;
	int i, prev_scan_id;

	param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
						cmd_param_info;
	event = param_buf->fixed_param;
	src_hotlist = param_buf->bssid_list;
	src_rssi = param_buf->rssi_list;
	t_scan_id_grp = scan_id_group;

	prev_scan_id = src_rssi->scan_cycle_id;

	t_scan_id_grp->scan_id = src_rssi->scan_cycle_id;
	t_scan_id_grp->flags = src_rssi->flags;
	t_scan_id_grp->buckets_scanned = src_rssi->buckets_scanned;
	t_scan_id_grp->num_results = 1;
	for (i = 1; i < event->num_entries_in_page; i++) {
		src_rssi++;
		if (prev_scan_id == src_rssi->scan_cycle_id) {
			t_scan_id_grp->num_results++;
		} else {
			t_scan_id_grp++;
			prev_scan_id = t_scan_id_grp->scan_id =
				src_rssi->scan_cycle_id;
			t_scan_id_grp->flags = src_rssi->flags;
			t_scan_id_grp->buckets_scanned =
				src_rssi->buckets_scanned;
			t_scan_id_grp->num_results = 1;
		}
	}
	return 0;
}

/** wma_group_num_bss_to_scan_id() - group bss to scan id table
 * @cmd_param_info: event data.
 * @cached_result: pointer to cached table.
 *
 * This function reads the bss information from the format
 * ------------------------------------------------------------------------
 * | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_1 | flags |
 * | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_2 | flags |
 * ........................................................................
 * | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_N | flags |
 * ------------------------------------------------------------------------
 *
 * and converts it into the below format and store it
 *
 * ------------------------------------------------------------------------
 * | scan id_1 | -> bss info_1 -> bss info_2 -> .... bss info_M1
 * | scan id_2 | -> bss info_1 -> bss info_2 -> .... bss info_M2
 * ......................
 * | scan id_N | -> bss info_1 -> bss info_2 -> .... bss info_Mn
 * ------------------------------------------------------------------------
 *
 * Return: 0 on success; error number otherwise
 */
static int wma_group_num_bss_to_scan_id(const u_int8_t *cmd_param_info,
			struct extscan_cached_scan_results *cached_result)
{
	WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
	wmi_extscan_cached_results_event_fixed_param  *event;
	wmi_extscan_wlan_descriptor  *src_hotlist;
	wmi_extscan_rssi_info  *src_rssi;
	struct extscan_cached_scan_results *t_cached_result;
	struct extscan_cached_scan_result *t_scan_id_grp;
	int i, j;
	tSirWifiScanResult *ap;

	param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
						cmd_param_info;
	event = param_buf->fixed_param;
	src_hotlist = param_buf->bssid_list;
	src_rssi = param_buf->rssi_list;
	t_cached_result = cached_result;
	t_scan_id_grp = &t_cached_result->result[0];

	WMA_LOGD("%s: num_scan_ids:%d", __func__,
			t_cached_result->num_scan_ids);
	for (i = 0; i < t_cached_result->num_scan_ids; i++) {
		WMA_LOGD("%s: num_results:%d", __func__,
			t_scan_id_grp->num_results);
		t_scan_id_grp->ap = qdf_mem_malloc(t_scan_id_grp->num_results *
						sizeof(*ap));
		if (!t_scan_id_grp->ap) {
			WMA_LOGD("%s: qdf_mem_malloc failed", __func__);
			return -ENOMEM;
		}

		ap = &t_scan_id_grp->ap[0];
		for (j = 0; j < t_scan_id_grp->num_results; j++) {
			ap->channel = src_hotlist->channel;
			ap->ts = WMA_MSEC_TO_USEC(src_rssi->tstamp);
			ap->rtt = src_hotlist->rtt;
			ap->rtt_sd = src_hotlist->rtt_sd;
			ap->beaconPeriod = src_hotlist->beacon_interval;
			ap->capability = src_hotlist->capabilities;
			ap->ieLength = src_hotlist->ie_length;

			/* Firmware already applied noise floor adjustment and
			 * due to WMI interface "UINT32 rssi", host driver
			 * receives a positive value, hence convert to
			 * signed char to get the absolute rssi.
			 */
			ap->rssi = (signed char) src_rssi->rssi;
			WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_hotlist->bssid,
						   ap->bssid.bytes);

			qdf_mem_copy(ap->ssid, src_hotlist->ssid.ssid,
					src_hotlist->ssid.ssid_len);
			ap->ssid[src_hotlist->ssid.ssid_len] = '\0';
			ap++;
			src_rssi++;
			src_hotlist++;
		}
		t_scan_id_grp++;
	}
	return 0;
}

/**
 * wma_extscan_cached_results_event_handler() - cached results event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length of @cmd_param_info
 *
 * This function handles cached results event and indicate
 * cached results to upper layer.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_cached_results_event_handler(void *handle,
					     uint8_t *cmd_param_info,
					     uint32_t len)
{
	WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
	wmi_extscan_cached_results_event_fixed_param *event;
	struct extscan_cached_scan_results *dest_cachelist;
	struct extscan_cached_scan_result *dest_result;
	struct extscan_cached_scan_results empty_cachelist;
	wmi_extscan_wlan_descriptor *src_hotlist;
	wmi_extscan_rssi_info *src_rssi;
	int numap, i, moredata, scan_ids_cnt, buf_len;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid cached results event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	src_hotlist = param_buf->bssid_list;
	src_rssi = param_buf->rssi_list;
	numap = event->num_entries_in_page;
	WMA_LOGI("Total_entries: %u first_entry_index: %u num_entries_in_page: %d",
			event->total_entries,
			event->first_entry_index, numap);
	if (!src_hotlist || !src_rssi || !numap) {
		WMA_LOGW("%s: Cached results empty, send 0 results", __func__);
		goto noresults;
	}
	if (event->first_entry_index +
	    event->num_entries_in_page < event->total_entries)
		moredata = 1;
	else
		moredata = 0;

	dest_cachelist = qdf_mem_malloc(sizeof(*dest_cachelist));
	if (!dest_cachelist) {
		WMA_LOGE("%s: qdf_mem_malloc failed", __func__);
		return -ENOMEM;
	}
	qdf_mem_zero(dest_cachelist, sizeof(*dest_cachelist));
	dest_cachelist->request_id = event->request_id;
	dest_cachelist->more_data = moredata;

	scan_ids_cnt = wma_extscan_find_unique_scan_ids(cmd_param_info);
	WMA_LOGI("%s: scan_ids_cnt %d", __func__, scan_ids_cnt);
	dest_cachelist->num_scan_ids = scan_ids_cnt;

	buf_len = sizeof(*dest_result) * scan_ids_cnt;
	dest_cachelist->result = qdf_mem_malloc(buf_len);
	if (!dest_cachelist->result) {
		WMA_LOGE("%s: Allocation failed for scanid grouping", __func__);
		qdf_mem_free(dest_cachelist);
		return -ENOMEM;
	}

	dest_result = dest_cachelist->result;
	wma_fill_num_results_per_scan_id(cmd_param_info, dest_result);
	wma_group_num_bss_to_scan_id(cmd_param_info, dest_cachelist);

	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_CACHED_RESULTS_IND,
				dest_cachelist);
	dest_result = dest_cachelist->result;
	for (i = 0; i < dest_cachelist->num_scan_ids; i++) {
		qdf_mem_free(dest_result->ap);
		dest_result++;
	}
	qdf_mem_free(dest_cachelist->result);
	qdf_mem_free(dest_cachelist);
	return 0;

noresults:
	empty_cachelist.request_id = event->request_id;
	empty_cachelist.more_data = 0;
	empty_cachelist.num_scan_ids = 0;

	pMac->sme.pExtScanIndCb(pMac->hHdd,
				eSIR_EXTSCAN_CACHED_RESULTS_IND,
				&empty_cachelist);
	return 0;
}

/**
 * wma_extscan_change_results_event_handler() - change results event handler
 * @handle: wma handle
 * @cmd_param_info: event buffer
 * @len: length
 *
 * This function handles change results event and indicate
 * change results to upper layer.
 *
 * Return: 0 for success or error code.
 */
int wma_extscan_change_results_event_handler(void *handle,
					     uint8_t *cmd_param_info,
					     uint32_t len)
{
	WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID_param_tlvs *param_buf;
	wmi_extscan_wlan_change_results_event_fixed_param *event;
	tSirWifiSignificantChangeEvent *dest_chglist;
	tSirWifiSignificantChange *dest_ap;
	wmi_extscan_wlan_change_result_bssid *src_chglist;

	int numap;
	int i, k;
	uint8_t *src_rssi;
	int count = 0;
	int moredata;
	int rssi_num = 0;
	tpAniSirGlobal pMac = cds_get_context(QDF_MODULE_ID_PE);

	if (!pMac) {
		WMA_LOGE("%s: Invalid pMac", __func__);
		return -EINVAL;
	}
	if (!pMac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}
	param_buf = (WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID_param_tlvs *)
		    cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid change monitor event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	src_chglist = param_buf->bssid_signal_descriptor_list;
	src_rssi = param_buf->rssi_list;
	numap = event->num_entries_in_page;

	if (!src_chglist || !numap) {
		WMA_LOGE("%s: Results invalid", __func__);
		return -EINVAL;
	}
	for (i = 0; i < numap; i++)
		rssi_num += src_chglist->num_rssi_samples;

	if (event->first_entry_index +
	    event->num_entries_in_page < event->total_entries) {
		moredata = 1;
	} else {
		moredata = 0;
	}
	dest_chglist = qdf_mem_malloc(sizeof(*dest_chglist) +
				      sizeof(*dest_ap) * numap +
				      sizeof(int32_t) * rssi_num);
	if (!dest_chglist) {
		WMA_LOGE("%s: Allocation failed for change monitor", __func__);
		return -ENOMEM;
	}
	dest_ap = &dest_chglist->ap[0];
	for (i = 0; i < numap; i++) {
		dest_ap->channel = src_chglist->channel;
		WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_chglist->bssid,
					   dest_ap->bssid.bytes);
		dest_ap->numOfRssi = src_chglist->num_rssi_samples;
		if (dest_ap->numOfRssi) {
			for (k = 0; k < dest_ap->numOfRssi; k++) {
				dest_ap->rssi[k] = WMA_TGT_NOISE_FLOOR_DBM +
						   src_rssi[count++];
			}
		}
		dest_ap += dest_ap->numOfRssi * sizeof(int32_t);
		src_chglist++;
	}
	dest_chglist->requestId = event->request_id;
	dest_chglist->moreData = moredata;
	dest_chglist->numResults = event->total_entries;

	pMac->sme.pExtScanIndCb(pMac->hHdd,
			eSIR_EXTSCAN_SIGNIFICANT_WIFI_CHANGE_RESULTS_IND,
			dest_chglist);
	WMA_LOGI("%s: sending change monitor results", __func__);
	qdf_mem_free(dest_chglist);
	return 0;
}

/**
 * wma_passpoint_match_event_handler() - passpoint match found event handler
 * @handle: WMA handle
 * @cmd_param_info: event data
 * @len: event data length
 *
 * This is the passpoint match found event handler; it reads event data from
 * @cmd_param_info and fill in the destination buffer and sends indication
 * up layer.
 *
 * Return: 0 on success; error number otherwise
 */
int wma_passpoint_match_event_handler(void *handle,
				     uint8_t  *cmd_param_info,
				     uint32_t len)
{
	WMI_PASSPOINT_MATCH_EVENTID_param_tlvs *param_buf;
	wmi_passpoint_event_hdr  *event;
	struct wifi_passpoint_match  *dest_match;
	tSirWifiScanResult      *dest_ap;
	uint8_t *buf_ptr;
	tpAniSirGlobal mac = cds_get_context(QDF_MODULE_ID_PE);

	if (!mac) {
		WMA_LOGE("%s: Invalid mac", __func__);
		return -EINVAL;
	}
	if (!mac->sme.pExtScanIndCb) {
		WMA_LOGE("%s: Callback not registered", __func__);
		return -EINVAL;
	}

	param_buf = (WMI_PASSPOINT_MATCH_EVENTID_param_tlvs *) cmd_param_info;
	if (!param_buf) {
		WMA_LOGE("%s: Invalid passpoint match event", __func__);
		return -EINVAL;
	}
	event = param_buf->fixed_param;
	buf_ptr = (uint8_t *)param_buf->fixed_param;

	dest_match = qdf_mem_malloc(sizeof(*dest_match) +
				event->ie_length + event->anqp_length);
	if (!dest_match) {
		WMA_LOGE("%s: qdf_mem_malloc failed", __func__);
		return -EINVAL;
	}
	dest_ap = &dest_match->ap;
	dest_match->request_id = 0;
	dest_match->id = event->id;
	dest_match->anqp_len = event->anqp_length;
	WMA_LOGI("%s: passpoint match: id: %u anqp length %u", __func__,
		 dest_match->id, dest_match->anqp_len);

	dest_ap->channel = event->channel_mhz;
	dest_ap->ts = event->timestamp;
	dest_ap->rtt = event->rtt;
	dest_ap->rssi = event->rssi;
	dest_ap->rtt_sd = event->rtt_sd;
	dest_ap->beaconPeriod = event->beacon_period;
	dest_ap->capability = event->capability;
	dest_ap->ieLength = event->ie_length;
	WMI_MAC_ADDR_TO_CHAR_ARRAY(&event->bssid, dest_ap->bssid.bytes);
	qdf_mem_copy(dest_ap->ssid, event->ssid.ssid,
				event->ssid.ssid_len);
	dest_ap->ssid[event->ssid.ssid_len] = '\0';
	qdf_mem_copy(dest_ap->ieData, buf_ptr + sizeof(*event) +
			WMI_TLV_HDR_SIZE, dest_ap->ieLength);
	qdf_mem_copy(dest_match->anqp, buf_ptr + sizeof(*event) +
			WMI_TLV_HDR_SIZE + dest_ap->ieLength,
			dest_match->anqp_len);

	mac->sme.pExtScanIndCb(mac->hHdd,
				eSIR_PASSPOINT_NETWORK_FOUND_IND,
				dest_match);
	WMA_LOGI("%s: sending passpoint match event to hdd", __func__);
	qdf_mem_free(dest_match);
	return 0;
}

/**
 * wma_get_buf_extscan_start_cmd() - Fill extscan start request
 * @handle: wma handle
 * @pstart: scan command request params
 * @buf: event buffer
 * @buf_len: length of buffer
 *
 * This function fills individual elements of extscan request and
 * TLV for buckets, channel list.
 *
 * Return: QDF Status.
 */
QDF_STATUS wma_get_buf_extscan_start_cmd(tp_wma_handle wma_handle,
					 tSirWifiScanCmdReqParams *pstart,
					 wmi_buf_t *buf, int *buf_len)
{
	wmi_extscan_start_cmd_fixed_param *cmd;
	wmi_extscan_bucket *dest_blist;
	wmi_extscan_bucket_channel *dest_clist;
	tSirWifiScanBucketSpec *src_bucket = pstart->buckets;
	tSirWifiScanChannelSpec *src_channel = src_bucket->channels;
	tSirWifiScanChannelSpec save_channel[WLAN_EXTSCAN_MAX_CHANNELS];

	uint8_t *buf_ptr;
	int i, k, count = 0;
	int len = sizeof(*cmd);
	int nbuckets = pstart->numBuckets;
	int nchannels = 0;

	/* These TLV's are are NULL by default */
	uint32_t ie_len_with_pad = 0;
	int num_ssid = 0;
	int num_bssid = 0;
	int ie_len = 0;

	uint32_t base_period = pstart->basePeriod;

	/* TLV placeholder for ssid_list (NULL) */
	len += WMI_TLV_HDR_SIZE;
	len += num_ssid * sizeof(wmi_ssid);

	/* TLV placeholder for bssid_list (NULL) */
	len += WMI_TLV_HDR_SIZE;
	len += num_bssid * sizeof(wmi_mac_addr);

	/* TLV placeholder for ie_data (NULL) */
	len += WMI_TLV_HDR_SIZE;
	len += ie_len * sizeof(uint32_t);

	/* TLV placeholder for bucket */
	len += WMI_TLV_HDR_SIZE;
	len += nbuckets * sizeof(wmi_extscan_bucket);

	/* TLV channel placeholder */
	len += WMI_TLV_HDR_SIZE;
	for (i = 0; i < nbuckets; i++) {
		nchannels += src_bucket->numChannels;
		src_bucket++;
	}

	len += nchannels * sizeof(wmi_extscan_bucket_channel);
	/* Allocate the memory */
	*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
	if (!*buf) {
		WMA_LOGP("%s: failed to allocate memory for start extscan cmd",
			__func__);
		return QDF_STATUS_E_NOMEM;
	}
	buf_ptr = (uint8_t *) wmi_buf_data(*buf);
	cmd = (wmi_extscan_start_cmd_fixed_param *) buf_ptr;
	WMITLV_SET_HDR(&cmd->tlv_header,
		       WMITLV_TAG_STRUC_wmi_extscan_start_cmd_fixed_param,
		       WMITLV_GET_STRUCT_TLVLEN
			       (wmi_extscan_start_cmd_fixed_param));

	cmd->request_id = pstart->requestId;
	cmd->vdev_id = pstart->sessionId;
	cmd->base_period = pstart->basePeriod;
	cmd->num_buckets = nbuckets;
	cmd->configuration_flags = 0;
	if (pstart->configuration_flags & EXTSCAN_LP_EXTENDED_BATCHING)
		cmd->configuration_flags |= WMI_EXTSCAN_EXTENDED_BATCHING_EN;
	WMA_LOGI("%s: Total buckets: %d total #of channels is %d cfgn_flags: 0x%x",
			 __func__, nbuckets, nchannels,
			cmd->configuration_flags);

	cmd->min_rest_time = WMA_EXTSCAN_REST_TIME;
	cmd->max_rest_time = WMA_EXTSCAN_REST_TIME;
	cmd->max_bssids_per_scan_cycle = pstart->maxAPperScan;

	/* The max dwell time is retrieved from the first channel
	 * of the first bucket and kept common for all channels.
	 */
	cmd->min_dwell_time_active = pstart->min_dwell_time_active;
	cmd->max_dwell_time_active = pstart->max_dwell_time_active;
	cmd->min_dwell_time_passive = pstart->min_dwell_time_passive;
	cmd->max_dwell_time_passive = pstart->max_dwell_time_passive;
	cmd->max_bssids_per_scan_cycle = pstart->maxAPperScan;
	cmd->max_table_usage = pstart->report_threshold_percent;
	cmd->report_threshold_num_scans = pstart->report_threshold_num_scans;

	cmd->repeat_probe_time = cmd->max_dwell_time_active /
					WMA_SCAN_NPROBES_DEFAULT;
	cmd->max_scan_time = WMA_EXTSCAN_MAX_SCAN_TIME;
	cmd->probe_delay = 0;
	cmd->probe_spacing_time = 0;
	cmd->idle_time = 0;
	cmd->burst_duration = WMA_EXTSCAN_BURST_DURATION;
	cmd->scan_ctrl_flags = WMI_SCAN_ADD_BCAST_PROBE_REQ |
			       WMI_SCAN_ADD_CCK_RATES |
			       WMI_SCAN_ADD_OFDM_RATES |
			       WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ |
			       WMI_SCAN_ADD_DS_IE_IN_PROBE_REQ;

	cmd->scan_priority = WMI_SCAN_PRIORITY_HIGH;
	cmd->num_ssids = 0;
	cmd->num_bssid = 0;
	cmd->ie_len = 0;
	cmd->n_probes = (cmd->repeat_probe_time > 0) ?
			cmd->max_dwell_time_active / cmd->repeat_probe_time : 0;

	buf_ptr += sizeof(*cmd);
	WMITLV_SET_HDR(buf_ptr,
		       WMITLV_TAG_ARRAY_FIXED_STRUC,
		       num_ssid * sizeof(wmi_ssid));
	buf_ptr += WMI_TLV_HDR_SIZE + (num_ssid * sizeof(wmi_ssid));

	WMITLV_SET_HDR(buf_ptr,
		       WMITLV_TAG_ARRAY_FIXED_STRUC,
		       num_bssid * sizeof(wmi_mac_addr));
	buf_ptr += WMI_TLV_HDR_SIZE + (num_bssid * sizeof(wmi_mac_addr));

	ie_len_with_pad = 0;
	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, ie_len_with_pad);
	buf_ptr += WMI_TLV_HDR_SIZE + ie_len_with_pad;

	WMITLV_SET_HDR(buf_ptr,
		       WMITLV_TAG_ARRAY_STRUC,
		       nbuckets * sizeof(wmi_extscan_bucket));
	dest_blist = (wmi_extscan_bucket *)
		     (buf_ptr + WMI_TLV_HDR_SIZE);
	src_bucket = pstart->buckets;

	/* Retrieve scanning information from each bucket and
	 * channels and send it to the target
	 */
	for (i = 0; i < nbuckets; i++) {
		WMITLV_SET_HDR(dest_blist,
			       WMITLV_TAG_STRUC_wmi_extscan_bucket_cmd_fixed_param,
			       WMITLV_GET_STRUCT_TLVLEN(wmi_extscan_bucket));

		dest_blist->bucket_id = src_bucket->bucket;
		dest_blist->base_period_multiplier =
			src_bucket->period / base_period;
		dest_blist->min_period = src_bucket->period;
		dest_blist->max_period = src_bucket->max_period;
		dest_blist->exp_backoff = src_bucket->exponent;
		dest_blist->exp_max_step_count = src_bucket->step_count;
		dest_blist->channel_band = src_bucket->band;
		dest_blist->num_channels = src_bucket->numChannels;
		dest_blist->notify_extscan_events = 0;

		if (src_bucket->reportEvents & EXTSCAN_REPORT_EVENTS_EACH_SCAN)
			dest_blist->notify_extscan_events =
					WMI_EXTSCAN_BUCKET_COMPLETED_EVENT;

		if (src_bucket->reportEvents &
				EXTSCAN_REPORT_EVENTS_FULL_RESULTS) {
			dest_blist->forwarding_flags =
				WMI_EXTSCAN_FORWARD_FRAME_TO_HOST;
			dest_blist->notify_extscan_events |=
				WMI_EXTSCAN_BUCKET_COMPLETED_EVENT |
				WMI_EXTSCAN_CYCLE_STARTED_EVENT |
				WMI_EXTSCAN_CYCLE_COMPLETED_EVENT;
		} else {
			dest_blist->forwarding_flags =
				WMI_EXTSCAN_NO_FORWARDING;
		}

		if (src_bucket->reportEvents & EXTSCAN_REPORT_EVENTS_NO_BATCH)
			dest_blist->configuration_flags = 0;
		else
			dest_blist->configuration_flags =
				WMI_EXTSCAN_BUCKET_CACHE_RESULTS;

		if (src_bucket->reportEvents &
			EXTSCAN_REPORT_EVENTS_CONTEXT_HUB)
			dest_blist->configuration_flags |=
				WMI_EXTSCAN_REPORT_EVENT_CONTEXT_HUB;

		WMA_LOGI("%s: ntfy_extscan_events:%u cfg_flags:%u fwd_flags:%u",
			__func__, dest_blist->notify_extscan_events,
			dest_blist->configuration_flags,
			dest_blist->forwarding_flags);

		dest_blist->min_dwell_time_active =
					src_bucket->min_dwell_time_active;
		dest_blist->max_dwell_time_active =
					 src_bucket->max_dwell_time_active;
		dest_blist->min_dwell_time_passive =
					src_bucket->min_dwell_time_passive;
		dest_blist->max_dwell_time_passive =
					src_bucket->max_dwell_time_passive;
		src_channel = src_bucket->channels;

		/* save the channel info to later populate
		 * the  channel TLV
		 */
		for (k = 0; k < src_bucket->numChannels; k++) {
			save_channel[count++].channel = src_channel->channel;
			src_channel++;
		}
		dest_blist++;
		src_bucket++;
	}
	buf_ptr += WMI_TLV_HDR_SIZE + (nbuckets * sizeof(wmi_extscan_bucket));
	WMITLV_SET_HDR(buf_ptr,
		       WMITLV_TAG_ARRAY_STRUC,
		       nchannels * sizeof(wmi_extscan_bucket_channel));
	dest_clist = (wmi_extscan_bucket_channel *)
		     (buf_ptr + WMI_TLV_HDR_SIZE);

	/* Active or passive scan is based on the bucket dwell time
	 * and channel specific active,passive scans are not
	 * supported yet
	 */
	for (i = 0; i < nchannels; i++) {
		WMITLV_SET_HDR(dest_clist,
			       WMITLV_TAG_STRUC_wmi_extscan_bucket_channel_event_fixed_param,
			       WMITLV_GET_STRUCT_TLVLEN
				       (wmi_extscan_bucket_channel));
		dest_clist->channel = save_channel[i].channel;
		dest_clist++;
	}
	buf_ptr += WMI_TLV_HDR_SIZE +
		   (nchannels * sizeof(wmi_extscan_bucket_channel));
	*buf_len = len;
	return QDF_STATUS_SUCCESS;
}

/**
 * wma_start_extscan() - start extscan command to fw.
 * @handle: wma handle
 * @pstart: scan command request params
 *
 * This function sends start extscan request to fw.
 *
 * Return: QDF Status.
 */
QDF_STATUS wma_start_extscan(tp_wma_handle wma,
			     tSirWifiScanCmdReqParams *pstart)
{
	struct wifi_scan_cmd_req_params *params;
	int i, j;
	QDF_STATUS status;

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed,can not issue extscan cmd",
			 __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan feature bit not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params = qdf_mem_malloc(sizeof(struct wifi_scan_cmd_req_params));
	if (params == NULL) {
		WMA_LOGE("%s : Memory allocation failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}

	params->basePeriod = pstart->basePeriod;
	params->maxAPperScan = pstart->maxAPperScan;
	params->report_threshold_percent = pstart->report_threshold_percent;
	params->report_threshold_num_scans = pstart->report_threshold_num_scans;
	params->requestId = pstart->requestId;
	params->sessionId = pstart->sessionId;
	params->numBuckets = pstart->numBuckets;
	params->min_dwell_time_active = pstart->min_dwell_time_active;
	params->min_dwell_time_passive = pstart->min_dwell_time_passive;
	params->max_dwell_time_active = pstart->max_dwell_time_active;
	params->max_dwell_time_passive = pstart->max_dwell_time_passive;
	params->configuration_flags = pstart->configuration_flags;
	params->extscan_adaptive_dwell_mode =
			pstart->extscan_adaptive_dwell_mode;
	for (i = 0; i < WMI_WLAN_EXTSCAN_MAX_BUCKETS; i++) {
		params->buckets[i].bucket = pstart->buckets[i].bucket;
		params->buckets[i].band =
			(enum wmi_wifi_band) pstart->buckets[i].band;
		params->buckets[i].period = pstart->buckets[i].period;
		params->buckets[i].reportEvents =
			pstart->buckets[i].reportEvents;
		params->buckets[i].max_period = pstart->buckets[i].max_period;
		params->buckets[i].exponent = pstart->buckets[i].exponent;
		params->buckets[i].step_count = pstart->buckets[i].step_count;
		params->buckets[i].numChannels = pstart->buckets[i].numChannels;
		params->buckets[i].min_dwell_time_active =
			pstart->buckets[i].min_dwell_time_active;
		params->buckets[i].min_dwell_time_passive =
			pstart->buckets[i].min_dwell_time_passive;
		params->buckets[i].max_dwell_time_active =
			pstart->buckets[i].max_dwell_time_active;
		params->buckets[i].max_dwell_time_passive =
			pstart->buckets[i].max_dwell_time_passive;
		for (j = 0; j < WLAN_EXTSCAN_MAX_CHANNELS; j++) {
			params->buckets[i].channels[j].channel =
				pstart->buckets[i].channels[j].channel;
			params->buckets[i].channels[j].dwellTimeMs =
				pstart->buckets[i].channels[j].dwellTimeMs;
			params->buckets[i].channels[j].passive =
				pstart->buckets[i].channels[j].passive;
			params->buckets[i].channels[j].chnlClass =
				pstart->buckets[i].channels[j].chnlClass;
		}
	}

	status = wmi_unified_start_extscan_cmd(wma->wmi_handle,
					params);
	qdf_mem_free(params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	wma->interfaces[pstart->sessionId].extscan_in_progress = true;
	WMA_LOGD("Extscan start request sent successfully for vdev %d",
		 pstart->sessionId);

	return status;
}

/**
 * wma_stop_extscan() - stop extscan command to fw.
 * @handle: wma handle
 * @pstopcmd: stop scan command request params
 *
 * This function sends stop extscan request to fw.
 *
 * Return: QDF Status.
 */
QDF_STATUS wma_stop_extscan(tp_wma_handle wma,
			    tSirExtScanStopReqParams *pstopcmd)
{
	struct extscan_stop_req_params params = {0};
	QDF_STATUS status;

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, cannot issue cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params.request_id = pstopcmd->requestId;
	params.session_id = pstopcmd->sessionId;

	status = wmi_unified_stop_extscan_cmd(wma->wmi_handle,
						&params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	wma->interfaces[pstopcmd->sessionId].extscan_in_progress = false;
	WMA_LOGD("Extscan stop request sent successfully for vdev %d",
		 pstopcmd->sessionId);

	return status;
}

/** wma_get_hotlist_entries_per_page() - hotlist entries per page
 * @wmi_handle: wmi handle.
 * @cmd: size of command structure.
 * @per_entry_size: per entry size.
 *
 * This utility function calculates how many hotlist entries can
 * fit in one page.
 *
 * Return: number of entries
 */
static inline int wma_get_hotlist_entries_per_page(wmi_unified_t wmi_handle,
						   size_t cmd_size,
						   size_t per_entry_size)
{
	uint32_t avail_space = 0;
	int num_entries = 0;
	uint16_t max_msg_len = wmi_get_max_msg_len(wmi_handle);

	/* Calculate number of hotlist entries that can
	 * be passed in wma message request.
	 */
	avail_space = max_msg_len - cmd_size;
	num_entries = avail_space / per_entry_size;
	return num_entries;
}

/**
 * wma_get_buf_extscan_hotlist_cmd() - prepare hotlist command
 * @handle: wma handle
 * @photlist: hotlist command params
 * @buf_len: buffer length
 *
 * This function fills individual elements for  hotlist request and
 * TLV for bssid entries
 *
 * Return: QDF Status.
 */
QDF_STATUS wma_get_buf_extscan_hotlist_cmd(tp_wma_handle wma_handle,
				tSirExtScanSetBssidHotListReqParams *photlist,
				int *buf_len)
{
	return wmi_unified_get_buf_extscan_hotlist_cmd(wma_handle->wmi_handle,
			 (struct ext_scan_setbssi_hotlist_params *)photlist,
			  buf_len);
}

/**
 * wma_extscan_start_hotlist_monitor() - start hotlist monitor
 * @wma: wma handle
 * @photlist: hotlist request params
 *
 * This function configures hotlist monitor in fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_start_hotlist_monitor(tp_wma_handle wma,
			     tSirExtScanSetBssidHotListReqParams *photlist)
{
	QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
	int len;

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue hotlist cmd",
			 __func__);
		return QDF_STATUS_E_INVAL;
	}
	/* Fill individual elements for  hotlist request and
	 * TLV for bssid entries
	 */
	qdf_status = wma_get_buf_extscan_hotlist_cmd(wma, photlist, &len);
	if (qdf_status != QDF_STATUS_SUCCESS) {
		WMA_LOGE("%s: Failed to get buffer for hotlist scan cmd",
			__func__);
		return QDF_STATUS_E_FAILURE;
	}
	return QDF_STATUS_SUCCESS;
}

/**
 * wma_extscan_stop_hotlist_monitor() - stop hotlist monitor
 * @wma: wma handle
 * @photlist_reset: hotlist reset params
 *
 * This function configures hotlist monitor to stop in fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_stop_hotlist_monitor(tp_wma_handle wma,
		    tSirExtScanResetBssidHotlistReqParams *photlist_reset)
{
	struct extscan_bssid_hotlist_reset_params params = {0};

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue  cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!photlist_reset) {
		WMA_LOGE("%s: Invalid reset hotlist buffer", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params.request_id = photlist_reset->requestId;
	params.session_id = photlist_reset->requestId;

	return wmi_unified_extscan_stop_hotlist_monitor_cmd(wma->wmi_handle,
				&params);
}

/**
 * wma_get_buf_extscan_change_monitor_cmd() - fill change monitor request
 * @wma: wma handle
 * @psigchange: change monitor request params
 * @buf: wmi buffer
 * @buf_len: buffer length
 *
 * This function fills elements of change monitor request buffer.
 *
 * Return: QDF status
 */
QDF_STATUS wma_get_buf_extscan_change_monitor_cmd(tp_wma_handle wma_handle,
				tSirExtScanSetSigChangeReqParams *psigchange,
				wmi_buf_t *buf, int *buf_len)
{
	wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *cmd;
	wmi_extscan_wlan_change_bssid_param *dest_chglist;
	uint8_t *buf_ptr;
	int j;
	int len = sizeof(*cmd);
	int numap = psigchange->numAp;
	tSirAPThresholdParam *src_ap = psigchange->ap;

	if (!numap) {
		WMA_LOGE("%s: Invalid number of bssid's", __func__);
		return QDF_STATUS_E_INVAL;
	}
	len += WMI_TLV_HDR_SIZE;
	len += numap * sizeof(wmi_extscan_wlan_change_bssid_param);

	*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
	if (!*buf) {
		WMA_LOGP("%s: failed to allocate memory for change monitor cmd",
			 __func__);
		return QDF_STATUS_E_FAILURE;
	}
	buf_ptr = (uint8_t *) wmi_buf_data(*buf);
	cmd =
		(wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *)
		buf_ptr;
	WMITLV_SET_HDR(&cmd->tlv_header,
		       WMITLV_TAG_STRUC_wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param,
		       WMITLV_GET_STRUCT_TLVLEN
			       (wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param));

	cmd->request_id = psigchange->requestId;
	cmd->vdev_id = psigchange->sessionId;
	cmd->total_entries = numap;
	cmd->mode = 1;
	cmd->num_entries_in_page = numap;
	cmd->lost_ap_scan_count = psigchange->lostApSampleSize;
	cmd->max_rssi_samples = psigchange->rssiSampleSize;
	cmd->rssi_averaging_samples = psigchange->rssiSampleSize;
	cmd->max_out_of_range_count = psigchange->minBreaching;

	buf_ptr += sizeof(*cmd);
	WMITLV_SET_HDR(buf_ptr,
		       WMITLV_TAG_ARRAY_STRUC,
		       numap * sizeof(wmi_extscan_wlan_change_bssid_param));
	dest_chglist = (wmi_extscan_wlan_change_bssid_param *)
		       (buf_ptr + WMI_TLV_HDR_SIZE);

	for (j = 0; j < numap; j++) {
		WMITLV_SET_HDR(dest_chglist,
			       WMITLV_TAG_STRUC_wmi_extscan_bucket_cmd_fixed_param,
			       WMITLV_GET_STRUCT_TLVLEN
				       (wmi_extscan_wlan_change_bssid_param));

		dest_chglist->lower_rssi_limit = src_ap->low;
		dest_chglist->upper_rssi_limit = src_ap->high;
		WMI_CHAR_ARRAY_TO_MAC_ADDR(src_ap->bssid.bytes,
					   &dest_chglist->bssid);

		WMA_LOGD("%s: min_rssi %d", __func__,
			 dest_chglist->lower_rssi_limit);
		dest_chglist++;
		src_ap++;
	}
	buf_ptr += WMI_TLV_HDR_SIZE +
		   (numap * sizeof(wmi_extscan_wlan_change_bssid_param));
	*buf_len = len;
	return QDF_STATUS_SUCCESS;
}

/**
 * wma_extscan_start_change_monitor() - send start change monitor cmd
 * @wma: wma handle
 * @psigchange: change monitor request params
 *
 * This function sends start change monitor request to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_start_change_monitor(tp_wma_handle wma,
					    tSirExtScanSetSigChangeReqParams *
					    psigchange)
{
	int i = 0;
	QDF_STATUS status;
	struct extscan_set_sig_changereq_params *params_ptr;

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed,can not issue extscan cmd",
			 __func__);
		return QDF_STATUS_E_INVAL;
	}

	params_ptr = qdf_mem_malloc(sizeof(*params_ptr));

	if (!params_ptr) {
		WMA_LOGE(
			"%s: unable to allocate memory for extscan_set_sig_changereq_params",
			 __func__);
		return QDF_STATUS_E_NOMEM;
	}

	params_ptr->request_id = psigchange->requestId;
	params_ptr->session_id = psigchange->sessionId;
	params_ptr->rssi_sample_size = psigchange->rssiSampleSize;
	params_ptr->lostap_sample_size = psigchange->lostApSampleSize;
	params_ptr->min_breaching = psigchange->minBreaching;
	params_ptr->num_ap = psigchange->numAp;
	for (i = 0; i < WLAN_EXTSCAN_MAX_SIGNIFICANT_CHANGE_APS; i++) {
		qdf_mem_copy(&params_ptr->ap[i].bssid,
				&psigchange->ap[i].bssid,
				sizeof(struct qdf_mac_addr));
		params_ptr->ap[i].high = psigchange->ap[i].high;
		params_ptr->ap[i].low = psigchange->ap[i].low;
	}

	status = wmi_unified_extscan_start_change_monitor_cmd
							(wma->wmi_handle,
							params_ptr);
	qdf_mem_free(params_ptr);
	return status;
}

/**
 * wma_extscan_stop_change_monitor() - send stop change monitor cmd
 * @wma: wma handle
 * @pResetReq: Reset change request params
 *
 * This function sends stop change monitor request to fw.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_stop_change_monitor(tp_wma_handle wma,
		   tSirExtScanResetSignificantChangeReqParams *pResetReq)
{
	struct extscan_capabilities_reset_params params = {0};

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue  cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: ext scan not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params.request_id = pResetReq->requestId;
	params.session_id = pResetReq->sessionId;

	return wmi_unified_extscan_stop_change_monitor_cmd(wma->wmi_handle,
					&params);
}

/**
 * wma_extscan_get_cached_results() - extscan get cached results
 * @wma: wma handle
 * @pcached_results: cached results parameters
 *
 * This function send request to fw to get cached results.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_get_cached_results(tp_wma_handle wma,
					  tSirExtScanGetCachedResultsReqParams *
					  pcached_results)
{
	struct extscan_cached_result_params params = {0};

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, cannot issue cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params.request_id = pcached_results->requestId;
	params.session_id = pcached_results->sessionId;
	params.flush = pcached_results->flush;

	return wmi_unified_extscan_get_cached_results_cmd(wma->wmi_handle,
					&params);
}

/**
 * wma_extscan_get_capabilities() - extscan get capabilities
 * @wma: wma handle
 * @pgetcapab: get capabilities params
 *
 * This function send request to fw to get extscan capabilities.
 *
 * Return: QDF status
 */
QDF_STATUS wma_extscan_get_capabilities(tp_wma_handle wma,
					tSirGetExtScanCapabilitiesReqParams *
					pgetcapab)
{
	struct extscan_capabilities_params params = {0};

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue  cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
				    WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_FAILURE;
	}

	params.request_id = pgetcapab->requestId;
	params.session_id = pgetcapab->sessionId;

	return wmi_unified_extscan_get_capabilities_cmd(wma->wmi_handle,
						&params);
}

QDF_STATUS  wma_ipa_offload_enable_disable(tp_wma_handle wma,
		struct sir_ipa_offload_enable_disable *ipa_offload)
{
	struct cdp_vdev *vdev;
	int32_t intra_bss_fwd = 0;
	struct ipa_offload_control_params params = {0};
	QDF_STATUS status;
	uint8_t rx_fwd_disabled;

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue  cmd",
			__func__);
		return QDF_STATUS_E_INVAL;
	}

	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
			((ipa_offload->offload_type == AP_RX_DATA_OFFLOAD) ?
			WMI_SERVICE_HSOFFLOAD :
			WMI_SERVICE_STA_RX_IPA_OFFLOAD_SUPPORT))) {
		WMA_LOGE("%s: %s not supported", __func__,
			((ipa_offload->offload_type == AP_RX_DATA_OFFLOAD) ?
			"WMI_SERVICE_HSOFFLOAD" :
			"WMI_SERVICE_STA_RX_IPA_OFFLOAD_SUPPORT"));
		return QDF_STATUS_E_FAILURE;
	}

	if (ipa_offload->offload_type > STA_RX_DATA_OFFLOAD)
		return QDF_STATUS_E_INVAL;

	params.offload_type = ipa_offload->offload_type;
	params.vdev_id = ipa_offload->vdev_id;
	params.enable = ipa_offload->enable;

	status = wmi_unified_ipa_offload_control_cmd(wma->wmi_handle,
						&params);
	if (QDF_IS_STATUS_ERROR(status))
		return status;

	/*
	 * Check if VDEV is already deleted. If deleted, don't
	 * send INTRA BSS FWD WMI command
	 */
	vdev = wma_find_vdev_by_id(wma, ipa_offload->vdev_id);
	if (!vdev)
		return QDF_STATUS_SUCCESS;

	/* Disable Intra-BSS FWD offload when gDisableIntraBssFwd=1 in INI */
	rx_fwd_disabled = cdp_cfg_is_rx_fwd_disabled(
		cds_get_context(QDF_MODULE_ID_SOC), vdev);
	if (!ipa_offload->enable || rx_fwd_disabled) {
		WMA_LOGE("%s: ipa_offload->enable=%d, rx_fwd_disabled=%d",
				__func__,
				ipa_offload->enable, rx_fwd_disabled);
		intra_bss_fwd = 1;
	}

	/* Disable/enable WMI_VDEV_PARAM_INTRA_BSS_FWD */
	status = wma_vdev_set_param(wma->wmi_handle,
		ipa_offload->vdev_id, WMI_VDEV_PARAM_INTRA_BSS_FWD,
		intra_bss_fwd);
	if (QDF_IS_STATUS_ERROR(status)) {
		WMA_LOGE("Failed to disable WMI_VDEV_PARAM_INTRA_BSS_FWD");
		return status;
	}

	return status;
}

/** wma_set_epno_network_list() - set epno network list
 * @wma: WMA handle
 * @req: epno config params request structure
 *
 * This function reads the incoming epno config request structure
 * and constructs the WMI message to the firmware.
 *
 * Returns: 0 on success, error number otherwise
 */
QDF_STATUS wma_set_epno_network_list(tp_wma_handle wma,
		struct wifi_epno_params *req)
{
	struct wifi_enhanched_pno_params *params;
	uint8_t i = 0;
	QDF_STATUS status;
	size_t params_len;

	WMA_LOGD("wma_set_epno_network_list");

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
		return QDF_STATUS_E_FAILURE;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
			WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_NOSUPPORT;
	}

	params_len = sizeof(*params) + (req->num_networks *
			sizeof(struct wifi_epno_network_params));
	params = qdf_mem_malloc(params_len);
	if (params == NULL) {
		WMA_LOGE(FL("memory allocation failed"));
		return QDF_STATUS_E_NOMEM;
	}

	params->request_id = req->request_id;
	params->session_id = req->session_id;
	params->num_networks = req->num_networks;

	/* Fill only when num_networks are non zero */
	if (req->num_networks) {
		params->min_5ghz_rssi = req->min_5ghz_rssi;
		params->min_24ghz_rssi = req->min_24ghz_rssi;
		params->initial_score_max = req->initial_score_max;
		params->same_network_bonus = req->same_network_bonus;
		params->secure_bonus = req->secure_bonus;
		params->band_5ghz_bonus = req->band_5ghz_bonus;
		params->current_connection_bonus =
			req->current_connection_bonus;

		for (i = 0; i < req->num_networks; i++) {
			params->networks[i].flags = req->networks[i].flags;
			params->networks[i].auth_bit_field =
					req->networks[i].auth_bit_field;
			params->networks[i].ssid.length =
					req->networks[i].ssid.length;
			qdf_mem_copy(params->networks[i].ssid.mac_ssid,
					req->networks[i].ssid.ssId,
					WMI_MAC_MAX_SSID_LENGTH);
		}
	}

	status = wmi_unified_set_epno_network_list_cmd(wma->wmi_handle, params);
	qdf_mem_free(params);

	if (QDF_IS_STATUS_ERROR(status))
		return status;

	WMA_LOGD("set ePNO list request sent successfully for vdev %d",
		 req->session_id);

	return status;
}

/**
 * wma_set_passpoint_network_list() - set passpoint network list
 * @handle: WMA handle
 * @req: passpoint network request structure
 *
 * This function reads the incoming @req and fill in the destination
 * WMI structure and send down the passpoint configs down to the firmware
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS wma_set_passpoint_network_list(tp_wma_handle wma,
					struct wifi_passpoint_req *req)
{
	struct wifi_passpoint_req_param *params;
	int i = 0;
	QDF_STATUS status;
	size_t params_len;

	WMA_LOGD("wma_set_passpoint_network_list");

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
		return QDF_STATUS_E_FAILURE;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
			WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_NOSUPPORT;
	}

	params_len = sizeof(*params) + (req->num_networks *
				sizeof(struct wifi_passpoint_network_param));
	params = qdf_mem_malloc(params_len);
	if (params == NULL) {
		WMA_LOGE(FL("memory allocation failed"));
		return QDF_STATUS_E_NOMEM;
	}

	params->request_id = req->request_id;
	params->session_id = req->session_id;
	params->num_networks = req->num_networks;
	for (i = 0; i < req->num_networks; i++) {
		params->networks[i].id = req->networks[i].id;
		qdf_mem_copy(params->networks[i].realm, req->networks[i].realm,
				WMI_PASSPOINT_REALM_LEN);
		qdf_mem_copy(params->networks[i].roaming_consortium_ids,
				req->networks[i].roaming_consortium_ids,
				WMI_PASSPOINT_ROAMING_CONSORTIUM_ID_NUM *
				sizeof(int64_t));
		qdf_mem_copy(params->networks[i].plmn, req->networks[i].plmn,
				WMI_PASSPOINT_PLMN_LEN);
	}

	status = wmi_unified_set_passpoint_network_list_cmd(wma->wmi_handle,
							params);
	qdf_mem_free(params);

	if (QDF_IS_STATUS_ERROR(status))
		return status;

	WMA_LOGD("Set passpoint network list request is sent successfully for vdev %d",
		 req->session_id);

	return status;
}

/**
 * wma_reset_passpoint_network_list() - reset passpoint network list
 * @handle: WMA handle
 * @req: passpoint network request structure
 *
 * This function sends down WMI command with network id set to wildcard id.
 * firmware shall clear all the config entries
 *
 * Return: QDF_STATUS enumeration
 */
QDF_STATUS wma_reset_passpoint_network_list(tp_wma_handle wma,
					struct wifi_passpoint_req *req)
{
	struct wifi_passpoint_req_param *params;
	int i = 0;
	QDF_STATUS status;
	size_t params_len;

	WMA_LOGD("wma_reset_passpoint_network_list");

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
		return QDF_STATUS_E_FAILURE;
	}
	if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
			WMI_SERVICE_EXTSCAN)) {
		WMA_LOGE("%s: extscan not enabled", __func__);
		return QDF_STATUS_E_NOSUPPORT;
	}

	params_len = sizeof(*params) + (req->num_networks *
				sizeof(struct wifi_passpoint_network_param));
	params = qdf_mem_malloc(params_len);
	if (params == NULL) {
		WMA_LOGE(FL("memory allocation failed"));
		return QDF_STATUS_E_NOMEM;
	}

	params->request_id = req->request_id;
	params->session_id = req->session_id;
	params->num_networks = req->num_networks;
	for (i = 0; i < req->num_networks; i++) {
		params->networks[i].id = req->networks[i].id;
		qdf_mem_copy(params->networks[i].realm, req->networks[i].realm,
				WMI_PASSPOINT_REALM_LEN);
		qdf_mem_copy(params->networks[i].roaming_consortium_ids,
				req->networks[i].roaming_consortium_ids,
				WMI_PASSPOINT_ROAMING_CONSORTIUM_ID_NUM *
				sizeof(int64_t));
		qdf_mem_copy(params->networks[i].plmn, req->networks[i].plmn,
				WMI_PASSPOINT_PLMN_LEN);
	}

	status = wmi_unified_reset_passpoint_network_list_cmd(wma->wmi_handle,
							params);
	qdf_mem_free(params);

	return status;
}

#endif

/**
 * wma_scan_probe_setoui() - set scan probe OUI
 * @wma: wma handle
 * @psetoui: OUI parameters
 *
 * set scan probe OUI parameters in firmware
 *
 * Return: QDF status
 */
QDF_STATUS wma_scan_probe_setoui(tp_wma_handle wma, tSirScanMacOui *psetoui)
{
	struct scan_mac_oui set_oui;

	qdf_mem_set(&set_oui, sizeof(struct scan_mac_oui), 0);

	if (!wma || !wma->wmi_handle) {
		WMA_LOGE("%s: WMA is closed, can not issue  cmd", __func__);
		return QDF_STATUS_E_INVAL;
	}

	qdf_mem_copy(set_oui.oui, psetoui->oui,
				WMI_WIFI_SCANNING_MAC_OUI_LENGTH);

	return wmi_unified_scan_probe_setoui_cmd(wma->wmi_handle,
						&set_oui);
}

/**
 * wma_scan_event_callback() - scan event callback
 * @handle: wma handle
 * @data: event data
 * @len: data length
 *
 * This function process scan event and provide indication
 * to upper layers.
 *
 * Return: 0 for success or error code.
 */
int wma_scan_event_callback(WMA_HANDLE handle, uint8_t *data,
			    uint32_t len)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	WMI_SCAN_EVENTID_param_tlvs *param_buf = NULL;
	wmi_scan_event_fixed_param *wmi_event = NULL;
	tSirScanOffloadEvent *scan_event;
	uint8_t vdev_id;
	uint32_t scan_id;

	param_buf = (WMI_SCAN_EVENTID_param_tlvs *) data;
	wmi_event = param_buf->fixed_param;
	vdev_id = wmi_event->vdev_id;
	scan_id = wma_handle->interfaces[vdev_id].scan_info.scan_id;

	scan_event = (tSirScanOffloadEvent *) qdf_mem_malloc
			     (sizeof(tSirScanOffloadEvent));
	if (!scan_event) {
		WMA_LOGE("Memory allocation failed for tSirScanOffloadEvent");
		return -ENOMEM;
	}

	WMA_LOGD("scan_event: %u, id: 0x%x, requestor: 0x%x, freq: %u, reason: %u",
		 wmi_event->event, wmi_event->scan_id, wmi_event->requestor,
		 wmi_event->channel_freq, wmi_event->reason);

	scan_event->event = wmi_event->event;
	scan_event->scanId = wmi_event->scan_id;
	scan_event->requestor = wmi_event->requestor;
	scan_event->chanFreq = wmi_event->channel_freq;
	scan_event->sessionId = vdev_id;
	scan_event->reasonCode = eSIR_SME_SCAN_FAILED;

	switch (wmi_event->event) {
	case WMI_SCAN_EVENT_COMPLETED:
	case WMI_SCAN_EVENT_DEQUEUED:
		/*
		 * return success always so that SME can pick whatever scan
		 * results is available in scan cache(due to partial or
		 * aborted scan)
		 */
		scan_event->event = WMI_SCAN_EVENT_COMPLETED;
		scan_event->reasonCode = eSIR_SME_SUCCESS;
		break;
	case WMI_SCAN_EVENT_START_FAILED:
		scan_event->event = WMI_SCAN_EVENT_COMPLETED;
		scan_event->reasonCode = eSIR_SME_SCAN_FAILED;
		break;
	case WMI_SCAN_EVENT_PREEMPTED:
		WMA_LOGW("%s: Unhandled Scan Event WMI_SCAN_EVENT_PREEMPTED",
			 __func__);
		break;
	case WMI_SCAN_EVENT_RESTARTED:
		WMA_LOGW("%s: Unhandled Scan Event WMI_SCAN_EVENT_RESTARTED",
			 __func__);
		break;
	}

	/* Stop scan completion timeout if event is WMI_SCAN_EVENT_COMPLETED */
	if (scan_event->event ==
			(enum sir_scan_event_type) WMI_SCAN_EVENT_COMPLETED) {
		WMA_LOGI("scan complete:scan_id 0x%x, requestor 0x%x, vdev %d",
			 wmi_event->scan_id, wmi_event->requestor, vdev_id);
	}

	wma_send_msg(wma_handle, WMA_RX_SCAN_EVENT, (void *)scan_event, 0);

	if ((wmi_event->event & WMA_SCAN_END_EVENT) > 0)
		wma_dec_pending_scans(wma_handle);

	return 0;
}

/**
 * wma_roam_better_ap_handler() - better ap event handler
 * @wma: wma handle
 * @vdev_id: vdev id
 *
 * Handler for WMI_ROAM_REASON_BETTER_AP event from roam firmware in Rome.
 * This event means roam algorithm in Rome has found a better matching
 * candidate AP. The indication is sent to SME.
 *
 * Return: none
 */
void wma_roam_better_ap_handler(tp_wma_handle wma, uint32_t vdev_id)
{
	struct scheduler_msg cds_msg = {0};
	tSirSmeCandidateFoundInd *candidate_ind;
	struct scan_param *params;

	params = &wma->interfaces[vdev_id].scan_info;
	/* abort existing scans from GUI, but not roaming preauth scan */
	if (params->scan_id != 0 && params->chan_freq == 0 &&
	    params->scan_requestor_id == USER_SCAN_REQUESTOR_ID) {
		tAbortScanParams abortScan;

		abortScan.SessionId = vdev_id;
		abortScan.scan_id = params->scan_id;
		abortScan.scan_requestor_id = params->scan_requestor_id;
		wma_stop_scan(wma, &abortScan);
	}

	candidate_ind = qdf_mem_malloc(sizeof(tSirSmeCandidateFoundInd));
	if (!candidate_ind) {
		WMA_LOGE("%s: Alloc failed for tSirSmeCandidateFoundInd",
			__func__);
		return;
	}
	WMA_LOGD("%s: roaming in progress for vdev %d",
			__func__, vdev_id);
	wma->interfaces[vdev_id].roaming_in_progress = true;

	candidate_ind->messageType = eWNI_SME_CANDIDATE_FOUND_IND;
	candidate_ind->sessionId = vdev_id;
	candidate_ind->length = sizeof(tSirSmeCandidateFoundInd);

	cds_msg.type = eWNI_SME_CANDIDATE_FOUND_IND;
	cds_msg.bodyptr = candidate_ind;
	QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_INFO,
		  FL("posting candidate ind to SME"));

	if (QDF_STATUS_SUCCESS != scheduler_post_msg(QDF_MODULE_ID_SME,
						 &cds_msg)) {
		qdf_mem_free(candidate_ind);
		QDF_TRACE(QDF_MODULE_ID_WMA, QDF_TRACE_LEVEL_ERROR,
			  FL("Failed to post candidate ind to SME"));
	}
}

/**
 * wma_roam_event_callback() - roam event callback
 * @handle: wma handle
 * @event_buf: event buffer
 * @len: buffer length
 *
 * Handler for all events from roam engine in firmware
 *
 * Return: 0 for success or error code
 */
int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
				   uint32_t len)
{
	tp_wma_handle wma_handle = (tp_wma_handle) handle;
	WMI_ROAM_EVENTID_param_tlvs *param_buf;
	wmi_roam_event_fixed_param *wmi_event;
	struct sSirSmeRoamOffloadSynchInd *roam_synch_data;
	enum sir_roam_op_code op_code = {0};

	param_buf = (WMI_ROAM_EVENTID_param_tlvs *) event_buf;
	if (!param_buf) {
		WMA_LOGE("Invalid roam event buffer");
		return -EINVAL;
	}

	wmi_event = param_buf->fixed_param;
	WMA_LOGD("%s: Reason %x, Notif %x for vdevid %x, rssi %d",
		 __func__, wmi_event->reason, wmi_event->notif,
		 wmi_event->vdev_id, wmi_event->rssi);

	DPTRACE(qdf_dp_trace_record_event(QDF_DP_TRACE_EVENT_RECORD,
		wmi_event->vdev_id, QDF_TRACE_DEFAULT_PDEV_ID,
		QDF_PROTO_TYPE_EVENT, QDF_ROAM_EVENTID));

	switch (wmi_event->reason) {
	case WMI_ROAM_REASON_BMISS:
		WMA_LOGD("Beacon Miss for vdevid %x", wmi_event->vdev_id);
		wma_beacon_miss_handler(wma_handle, wmi_event->vdev_id,
					wmi_event->rssi);
		wma_sta_kickout_event(HOST_STA_KICKOUT_REASON_BMISS,
						wmi_event->vdev_id, NULL);
		break;
	case WMI_ROAM_REASON_BETTER_AP:
		WMA_LOGD("%s:Better AP found for vdevid %x, rssi %d", __func__,
			 wmi_event->vdev_id, wmi_event->rssi);
		wma_handle->suitable_ap_hb_failure = false;
		wma_roam_better_ap_handler(wma_handle, wmi_event->vdev_id);
		break;
	case WMI_ROAM_REASON_SUITABLE_AP:
		wma_handle->suitable_ap_hb_failure = true;
		wma_handle->suitable_ap_hb_failure_rssi = wmi_event->rssi;
		WMA_LOGD("%s:Bmiss scan AP found for vdevid %x, rssi %d",
			 __func__, wmi_event->vdev_id, wmi_event->rssi);
		wma_roam_better_ap_handler(wma_handle, wmi_event->vdev_id);
		break;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
	case WMI_ROAM_REASON_HO_FAILED:
		WMA_LOGE("LFR3:Hand-Off Failed for vdevid %x",
			 wmi_event->vdev_id);
		wma_roam_ho_fail_handler(wma_handle, wmi_event->vdev_id);
		break;
#endif
	case WMI_ROAM_REASON_INVALID:
		roam_synch_data = qdf_mem_malloc(sizeof(*roam_synch_data));
		if (NULL == roam_synch_data) {
			WMA_LOGE("Memory unavailable for roam synch data");
			return -ENOMEM;
		}
		if (wmi_event->notif == WMI_ROAM_NOTIF_ROAM_START)
			op_code = SIR_ROAMING_START;
		if (wmi_event->notif == WMI_ROAM_NOTIF_ROAM_ABORT)
			op_code = SIR_ROAMING_ABORT;
		roam_synch_data->roamedVdevId = wmi_event->vdev_id;
		wma_handle->csr_roam_synch_cb(
				(tpAniSirGlobal)wma_handle->mac_context,
				roam_synch_data, NULL, op_code);
		qdf_mem_free(roam_synch_data);
		break;
	case WMI_ROAM_REASON_RSO_STATUS:
		wma_rso_cmd_status_event_handler(wmi_event);
		break;
	case WMI_ROAM_REASON_INVOKE_ROAM_FAIL:
		roam_synch_data = qdf_mem_malloc(sizeof(*roam_synch_data));
		if (!roam_synch_data) {
			WMA_LOGE("Memory unavailable for roam synch data");
			return -ENOMEM;
		}
		roam_synch_data->roamedVdevId = wmi_event->vdev_id;
		wma_handle->csr_roam_synch_cb(
				(tpAniSirGlobal)wma_handle->mac_context,
				roam_synch_data, NULL, SIR_ROAMING_INVOKE_FAIL);
		qdf_mem_free(roam_synch_data);
		break;
	default:
		WMA_LOGD("%s:Unhandled Roam Event %x for vdevid %x", __func__,
			 wmi_event->reason, wmi_event->vdev_id);
		break;
	}
	return 0;
}


/**
 * wma_set_rssi_monitoring() - set rssi monitoring
 * @handle: WMA handle
 * @req: rssi monitoring request structure
 *
 * This function reads the incoming @req and fill in the destination
 * WMI structure and send down the rssi monitoring configs down to the firmware
 *
 * Return: 0 on success; error number otherwise
 */
QDF_STATUS wma_set_rssi_monitoring(tp_wma_handle wma,
					struct rssi_monitor_req *req)
{
	struct rssi_monitor_param params = {0};

	if (!wma) {
		WMA_LOGE("%s: wma handle is NULL", __func__);
		return QDF_STATUS_E_INVAL;
	}

	 params.request_id = req->request_id;
	 params.session_id = req->session_id;
	 params.min_rssi = req->min_rssi;
	 params.max_rssi = req->max_rssi;
	 params.control = req->control;

	return wmi_unified_set_rssi_monitoring_cmd(wma->wmi_handle,
						&params);
}

/**
 * wma_get_scan_id() - Generates scan id
 * @scan_id: Scan id
 *
 * This function generates the scan id.
 *
 * Return: QDF_STATUS
 */

QDF_STATUS wma_get_scan_id(uint32_t *scan_id)
{
	tp_wma_handle wma = cds_get_context(QDF_MODULE_ID_WMA);

	if (!scan_id) {
		WMA_LOGE("Scan_id is NULL");
		return QDF_STATUS_E_FAULT;
	}

#ifdef NAPIER_SCAN
	*scan_id = ucfg_scan_get_scan_id(wma->psoc);
#else
	/* host need to cycle through the lower 12 bits to generate ids */
	*scan_id = qdf_atomic_inc_return(&wma->scan_id_counter) &
			WMA_SCAN_ID_MASK;
	/*
	 * Firmware expects the host scan request id appended
	 * by PREFIX 0xA000
	 */
	*scan_id = *scan_id | WMI_HOST_SCAN_REQ_ID_PREFIX;
#endif
	return QDF_STATUS_SUCCESS;
}

#ifdef FEATURE_LFR_SUBNET_DETECTION
/**
 * wma_set_gateway_params() - set gateway parameters
 * @wma: WMA handle
 * @req: gateway parameter update request structure
 *
 * This function reads the incoming @req and fill in the destination
 * WMI structure and sends down the gateway configs down to the firmware
 *
 * Return: QDF_STATUS
 */
QDF_STATUS wma_set_gateway_params(tp_wma_handle wma,
					struct gateway_param_update_req *req)
{
	struct gateway_update_req_param params = {0};

	if (!wma) {
		WMA_LOGE("%s: wma handle is NULL", __func__);
		return QDF_STATUS_E_INVAL;
	}

	params.request_id = req->request_id;
	params.session_id = req->session_id;
	params.max_retries = req->max_retries;
	params.timeout = req->timeout;
	params.ipv4_addr_type = req->ipv4_addr_type;
	params.ipv6_addr_type = req->ipv6_addr_type;
	qdf_mem_copy(&params.gw_mac_addr, &req->gw_mac_addr,
			sizeof(struct qdf_mac_addr));
	qdf_mem_copy(params.ipv4_addr, req->ipv4_addr,
				QDF_IPV4_ADDR_SIZE);
	qdf_mem_copy(params.ipv6_addr, req->ipv6_addr,
				QDF_IPV6_ADDR_SIZE);

	return wmi_unified_set_gateway_params_cmd(wma->wmi_handle,
							&params);
}
#endif /* FEATURE_LFR_SUBNET_DETECTION */

/**
 * wma_ht40_stop_obss_scan() - ht40 obss stop scan
 * @wma: WMA handel
 * @vdev_id: vdev identifier
 *
 * Return: Return QDF_STATUS, otherwise appropriate failure code
 */
QDF_STATUS wma_ht40_stop_obss_scan(tp_wma_handle wma, int32_t vdev_id)
{

	wmi_buf_t buf;
	wmi_obss_scan_disable_cmd_fixed_param *cmd;
	int ret;
	int len = sizeof(*cmd);

	buf = wmi_buf_alloc(wma->wmi_handle, len);
	if (!buf) {
		WMA_LOGP("%s: wmi_buf_alloc failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}

	WMA_LOGD("cmd %x vdev_id %d", WMI_OBSS_SCAN_DISABLE_CMDID, vdev_id);

	cmd = (wmi_obss_scan_disable_cmd_fixed_param *) wmi_buf_data(buf);
	WMITLV_SET_HDR(&cmd->tlv_header,
		WMITLV_TAG_STRUC_wmi_obss_scan_disable_cmd_fixed_param,
		WMITLV_GET_STRUCT_TLVLEN(
			wmi_obss_scan_disable_cmd_fixed_param));

	cmd->vdev_id = vdev_id;
	ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
				WMI_OBSS_SCAN_DISABLE_CMDID);
	if (ret != EOK) {
		WMA_LOGE("Failed to send gw config parameter to fw, ret: %d",
			ret);
		wmi_buf_free(buf);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * wma_send_ht40_obss_scanind() - ht40 obss start scan indication
 * @wma: WMA handel
 * @req: start scan request
 *
 * Return: Return QDF_STATUS, otherwise appropriate failure code
 */
QDF_STATUS wma_send_ht40_obss_scanind(tp_wma_handle wma,
				struct obss_ht40_scanind *req)
{
	wmi_buf_t buf;
	wmi_obss_scan_enable_cmd_fixed_param *cmd;
	int ret;
	int len = 0;
	uint8_t *buf_ptr, i;
	uint8_t *channel_list;

	len += sizeof(wmi_obss_scan_enable_cmd_fixed_param);

	len += WMI_TLV_HDR_SIZE;
	len += qdf_roundup(sizeof(uint8_t) * req->channel_count,
				sizeof(uint32_t));

	len += WMI_TLV_HDR_SIZE;
	len += qdf_roundup(sizeof(uint8_t) * 1, sizeof(uint32_t));

	WMA_LOGE("cmdlen %d vdev_id %d channel count %d iefield_len %d",
			len, req->bss_id, req->channel_count, req->iefield_len);

	WMA_LOGE("scantype %d active_time %d passive %d Obss interval %d",
			req->scan_type, req->obss_active_dwelltime,
			req->obss_passive_dwelltime,
			req->obss_width_trigger_interval);

	buf = wmi_buf_alloc(wma->wmi_handle, len);
	if (!buf) {
		WMA_LOGP("%s: wmi_buf_alloc failed", __func__);
		return QDF_STATUS_E_NOMEM;
	}

	cmd = (wmi_obss_scan_enable_cmd_fixed_param *) wmi_buf_data(buf);
	WMITLV_SET_HDR(&cmd->tlv_header,
		WMITLV_TAG_STRUC_wmi_obss_scan_enable_cmd_fixed_param,
		WMITLV_GET_STRUCT_TLVLEN(wmi_obss_scan_enable_cmd_fixed_param));

	buf_ptr = (uint8_t *) cmd;

	cmd->vdev_id = req->bss_id;
	cmd->scan_type = req->scan_type;
	cmd->obss_scan_active_dwell =
		req->obss_active_dwelltime;
	cmd->obss_scan_passive_dwell =
		req->obss_passive_dwelltime;
	cmd->bss_channel_width_trigger_scan_interval =
		req->obss_width_trigger_interval;
	cmd->bss_width_channel_transition_delay_factor =
		req->bsswidth_ch_trans_delay;
	cmd->obss_scan_active_total_per_channel =
		req->obss_active_total_per_channel;
	cmd->obss_scan_passive_total_per_channel =
		req->obss_passive_total_per_channel;
	cmd->obss_scan_activity_threshold =
		req->obss_activity_threshold;

	cmd->channel_len = req->channel_count;
	cmd->forty_mhz_intolerant =  req->fortymhz_intolerent;
	cmd->current_operating_class = req->current_operatingclass;
	cmd->ie_len = req->iefield_len;

	buf_ptr += sizeof(wmi_obss_scan_enable_cmd_fixed_param);
	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE,
		qdf_roundup(req->channel_count, sizeof(uint32_t)));

	buf_ptr += WMI_TLV_HDR_SIZE;
	channel_list = (uint8_t *) buf_ptr;

	for (i = 0; i < req->channel_count; i++) {
		channel_list[i] = req->channels[i];
		WMA_LOGD("Ch[%d]: %d ", i, channel_list[i]);
	}

	buf_ptr += qdf_roundup(sizeof(uint8_t) * req->channel_count,
				sizeof(uint32_t));
	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE,
			qdf_roundup(1, sizeof(uint32_t)));
	buf_ptr += WMI_TLV_HDR_SIZE;

	ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
				WMI_OBSS_SCAN_ENABLE_CMDID);
	if (ret != EOK) {
		WMA_LOGE("Failed to send gw config parameter to fw, ret: %d",
			ret);
		wmi_buf_free(buf);
		return QDF_STATUS_E_FAILURE;
	}
	return QDF_STATUS_SUCCESS;
}