dispatcher/src/wlan_dfs_utils_api.c

/*
 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 *
 *
 * 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.
 */

/**
 * DOC: This file has the DFS dispatcher API implementation which is exposed
 * to outside of DFS component.
 */
#include <wlan_objmgr_vdev_obj.h>
#include "wlan_dfs_utils_api.h"
#include "wlan_dfs_init_deinit_api.h"
#include "wlan_dfs_mlme_api.h"
#include "../../core/src/dfs.h"
#include "../../core/src/dfs_zero_cac.h"
#include <wlan_reg_services_api.h>
#include "../../core/src/dfs_random_chan_sel.h"
#ifdef QCA_DFS_USE_POLICY_MANAGER
#include "wlan_policy_mgr_api.h"
#endif
#ifdef QCA_DFS_NOL_PLATFORM_DRV_SUPPORT
#include <pld_common.h>
#endif
#include <qdf_module.h>
#include "wlan_dfs_lmac_api.h"
#include "../../core/src/dfs_internal.h"

struct dfs_nol_info {
	uint16_t num_chans;
	struct dfsreq_nolelem dfs_nol[DFS_MAX_NOL_CHANNEL];
};

QDF_STATUS utils_dfs_reset(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_reset(dfs);
	dfs_nol_update(dfs);
	dfs_reset_precaclists(dfs);
	dfs_init_chan_state_array(pdev);

	if (dfs->dfs_use_puncture && !dfs->dfs_is_stadfs_enabled)
		dfs_punc_sm_stop_all(dfs);

	return QDF_STATUS_SUCCESS;
}

bool utils_dfs_is_freq_in_nol(struct wlan_objmgr_pdev *pdev, uint32_t freq)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	return dfs_is_freq_in_nol(dfs, freq);
}

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_cac_valid_reset_for_freq(struct wlan_objmgr_pdev *pdev,
					      uint16_t prevchan_freq,
					      uint32_t prevchan_flags)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_cac_valid_reset_for_freq(dfs, prevchan_freq, prevchan_flags);

	return QDF_STATUS_SUCCESS;
}

qdf_export_symbol(utils_dfs_cac_valid_reset_for_freq);
#endif

QDF_STATUS utils_dfs_reset_precaclists(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_reset_precaclists(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_reset_precaclists);

#ifdef CONFIG_CHAN_FREQ_API
void utils_dfs_unmark_precac_nol_for_freq(struct wlan_objmgr_pdev *pdev,
					  uint16_t chan_freq)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return;

	dfs_unmark_precac_nol_for_freq(dfs, chan_freq);
}

qdf_export_symbol(utils_dfs_unmark_precac_nol_for_freq);
#endif

QDF_STATUS utils_dfs_cancel_precac_timer(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_cancel_precac_timer(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_cancel_precac_timer);

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_start_precac_timer(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "NULL dfs");
		return  QDF_STATUS_E_FAILURE;
	}

	if (!dfs->dfs_precac_secondary_freq_mhz)
		return QDF_STATUS_E_FAILURE;

	dfs_start_precac_timer_for_freq(dfs,
					dfs->dfs_precac_secondary_freq_mhz);
	return QDF_STATUS_SUCCESS;
}
#else
#endif

#ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
#ifdef CONFIG_CHAN_FREQ_API
bool
utils_dfs_precac_decide_pref_chan_for_freq(struct wlan_objmgr_pdev *pdev,
					   uint16_t *chan_freq,
					   enum wlan_phymode mode)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "NULL dfs");
		return false;
	}
	return dfs_decide_precac_preferred_chan_for_freq(dfs, chan_freq, mode);
}
#endif
#endif
QDF_STATUS utils_dfs_cancel_cac_timer(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_cancel_cac_timer(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_cancel_cac_timer);

QDF_STATUS utils_dfs_start_cac_timer(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_start_cac_timer(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_start_cac_timer);

QDF_STATUS utils_dfs_cac_stop(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_cac_stop(dfs);
	return  QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_cac_stop);

/** dfs_fill_chan_info() - Fill the dfs channel structure with wlan
 * channel.
 * @chan: Pointer to DFS channel structure.
 * @wlan_chan: Pointer to WLAN Channel structure.
 *
 * Return: void
 */
#ifdef CONFIG_CHAN_FREQ_API
static void dfs_fill_chan_info(struct dfs_channel *chan,
			       struct wlan_channel *wlan_chan)
{
	chan->dfs_ch_freq = wlan_chan->ch_freq;
	chan->dfs_ch_flags = wlan_chan->ch_flags;
	chan->dfs_ch_flagext = wlan_chan->ch_flagext;
	chan->dfs_ch_ieee = wlan_chan->ch_ieee;
	chan->dfs_ch_vhtop_ch_freq_seg1 = wlan_chan->ch_freq_seg1;
	chan->dfs_ch_vhtop_ch_freq_seg2 = wlan_chan->ch_freq_seg2;
	chan->dfs_ch_mhz_freq_seg1 = wlan_chan->ch_cfreq1;
	chan->dfs_ch_mhz_freq_seg2 = wlan_chan->ch_cfreq2;
}
#endif

bool utils_dfs_is_precac_done(struct wlan_objmgr_pdev *pdev,
			      struct wlan_channel *wlan_chan)
{
	struct wlan_dfs *dfs;
	struct dfs_channel chan;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	dfs_fill_chan_info(&chan, wlan_chan);

	return dfs_is_precac_done(dfs, &chan);
}

bool utils_dfs_is_cac_required(struct wlan_objmgr_pdev *pdev,
			       struct wlan_channel *cur_chan,
			       struct wlan_channel *prev_chan,
			       bool *continue_current_cac)
{
	struct wlan_dfs *dfs;
	struct dfs_channel cur_channel;
	struct dfs_channel prev_channel;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	dfs_fill_chan_info(&cur_channel, cur_chan);
	dfs_fill_chan_info(&prev_channel, prev_chan);

	return dfs_is_cac_required(dfs,
				   &cur_channel,
				   &prev_channel,
				   continue_current_cac, true);
}

bool
utils_dfs_is_cac_required_on_dfs_curchan(struct wlan_objmgr_pdev *pdev,
					 bool *continue_current_cac,
					 bool is_vap_restart)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	return dfs_is_cac_required(dfs,
				   dfs->dfs_curchan,
				   dfs->dfs_prevchan,
				   continue_current_cac,
				   is_vap_restart);
}

QDF_STATUS utils_dfs_stacac_stop(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_stacac_stop(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_stacac_stop);

QDF_STATUS utils_dfs_get_usenol(struct wlan_objmgr_pdev *pdev, uint16_t *usenol)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	*usenol = dfs_get_use_nol(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_get_usenol);

bool utils_dfs_is_spruce_spur_war_applicable(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;
	struct wlan_objmgr_psoc *psoc;
	struct wlan_lmac_if_tx_ops *tx_ops;
	uint32_t target_type;
	struct wlan_lmac_if_target_tx_ops *tgt_tx_ops;
	qdf_freq_t cur_freq;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	psoc = dfs->dfs_soc_obj->psoc;

	tx_ops = wlan_psoc_get_lmac_if_txops(psoc);
	if (!tx_ops) {
		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "tx_ops is NULL");
		return false;
	}

	tgt_tx_ops = &tx_ops->target_tx_ops;
	target_type = lmac_get_target_type(dfs->dfs_pdev_obj);

	/* Is the target Spruce? */
	if (!tgt_tx_ops->tgt_is_tgt_type_qcn6122 ||
	    !tgt_tx_ops->tgt_is_tgt_type_qcn9160)
		return false;

	if (!tgt_tx_ops->tgt_is_tgt_type_qcn6122(target_type) ||
	    !tgt_tx_ops->tgt_is_tgt_type_qcn9160(target_type))
		return false;

	cur_freq = dfs->dfs_curchan->dfs_ch_freq;

	/* Is the current channel width 80MHz? */
	if (WLAN_IS_CHAN_MODE_80(dfs->dfs_curchan) ||
	    WLAN_IS_CHAN_MODE_40(dfs->dfs_curchan) ||
	    WLAN_IS_CHAN_MODE_20(dfs->dfs_curchan)) {
		/* is the primary channel 52/56/60/64? */
		bool is_chan_spur_80mhzfreq =
		    DFS_IS_CHAN_SPRUCE_SPUR_FREQ_80MHZ(cur_freq);
		if (is_chan_spur_80mhzfreq)
			return true;
		return false;
	}

	/* If the current channel width is not 80, is it 160MHz? */
	if (WLAN_IS_CHAN_MODE_160(dfs->dfs_curchan)) {
		/* is the primary channel 36/44/48/52/56/60/64? */
		bool is_chan_spur_160mhz_freq =
		    DFS_IS_CHAN_SPRUCE_SPUR_FREQ_160MHZ(cur_freq);
		if (is_chan_spur_160mhz_freq)
			return true;
		return false;
	}

	return false;
}

QDF_STATUS utils_dfs_radar_disable(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_radar_disable(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_radar_disable);

QDF_STATUS utils_dfs_set_update_nol_flag(struct wlan_objmgr_pdev *pdev,
		bool val)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_set_update_nol_flag(dfs, val);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_set_update_nol_flag);

QDF_STATUS utils_dfs_get_update_nol_flag(struct wlan_objmgr_pdev *pdev,
		bool *nol_flag)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	*nol_flag = dfs_get_update_nol_flag(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_get_update_nol_flag);

QDF_STATUS utils_dfs_get_dfs_use_nol(struct wlan_objmgr_pdev *pdev,
		int *dfs_use_nol)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	*dfs_use_nol = dfs_get_use_nol(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_get_dfs_use_nol);

QDF_STATUS utils_dfs_get_nol_timeout(struct wlan_objmgr_pdev *pdev,
		int *dfs_nol_timeout)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	*dfs_nol_timeout = dfs_get_nol_timeout(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_get_nol_timeout);

QDF_STATUS utils_dfs_nol_addchan(struct wlan_objmgr_pdev *pdev,
		uint16_t freq,
		uint32_t dfs_nol_timeout)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	DFS_NOL_ADD_CHAN_LOCKED(dfs, freq, dfs_nol_timeout);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_nol_addchan);

QDF_STATUS utils_dfs_nol_update(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_nol_update(dfs);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_nol_update);

QDF_STATUS utils_dfs_second_segment_radar_disable(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_second_segment_radar_disable(dfs);

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS utils_dfs_bw_reduce(struct wlan_objmgr_pdev *pdev, bool bw_reduce)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs->dfs_bw_reduced = bw_reduce;

	return QDF_STATUS_SUCCESS;
}

qdf_export_symbol(utils_dfs_bw_reduce);

QDF_STATUS utils_dfs_is_bw_reduce(struct wlan_objmgr_pdev *pdev,
				  bool *bw_reduce)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	*bw_reduce = dfs->dfs_bw_reduced;

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS utils_dfs_fetch_nol_ie_info(struct wlan_objmgr_pdev *pdev,
				       uint8_t *nol_ie_bandwidth,
				       uint16_t *nol_ie_startfreq,
				       uint8_t *nol_ie_bitmap)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_fetch_nol_ie_info(dfs, nol_ie_bandwidth, nol_ie_startfreq,
			      nol_ie_bitmap);

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS utils_dfs_set_rcsa_flags(struct wlan_objmgr_pdev *pdev,
				    bool is_rcsa_ie_sent,
				    bool is_nol_ie_sent)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_set_rcsa_flags(dfs, is_rcsa_ie_sent, is_nol_ie_sent);

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS utils_dfs_get_rcsa_flags(struct wlan_objmgr_pdev *pdev,
				    bool *is_rcsa_ie_sent,
				    bool *is_nol_ie_sent)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;
	dfs_get_rcsa_flags(dfs, is_rcsa_ie_sent, is_nol_ie_sent);

	return QDF_STATUS_SUCCESS;
}

bool utils_dfs_process_nol_ie_bitmap(struct wlan_objmgr_pdev *pdev,
				     uint8_t nol_ie_bandwidth,
				     uint16_t nol_ie_startfreq,
				     uint8_t nol_ie_bitmap)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  false;
	return dfs_process_nol_ie_bitmap(dfs, nol_ie_bandwidth,
					 nol_ie_startfreq,
					 nol_ie_bitmap);
}

QDF_STATUS utils_dfs_set_cac_timer_running(struct wlan_objmgr_pdev *pdev,
		int val)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs->dfs_cac_timer_running = val;

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_set_cac_timer_running);

QDF_STATUS utils_dfs_get_nol_chfreq_and_chwidth(struct wlan_objmgr_pdev *pdev,
		void *nollist,
		uint32_t *nol_chfreq,
		uint32_t *nol_chwidth,
		int index)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_get_nol_chfreq_and_chwidth(nollist, nol_chfreq, nol_chwidth, index);

	return QDF_STATUS_SUCCESS;
}
qdf_export_symbol(utils_dfs_get_nol_chfreq_and_chwidth);

QDF_STATUS utils_dfs_update_cur_chan_flags(struct wlan_objmgr_pdev *pdev,
		uint64_t flags,
		uint16_t flagext)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return  QDF_STATUS_E_FAILURE;

	dfs_update_cur_chan_flags(dfs, flags, flagext);

	return QDF_STATUS_SUCCESS;
}

static void utils_dfs_get_max_phy_mode(struct wlan_objmgr_pdev *pdev,
		uint32_t *phy_mode)
{
	return;
}

static void utils_dfs_get_max_sup_width(struct wlan_objmgr_pdev *pdev,
		uint8_t *ch_width)
{
	return;
}

#ifndef QCA_DFS_USE_POLICY_MANAGER
void utils_dfs_get_chan_list(struct wlan_objmgr_pdev *pdev,
			     void *clist, uint32_t *num_chan)
{
	uint32_t i = 0, j = 0;
	enum channel_state state;
	struct regulatory_channel *cur_chan_list;
	struct wlan_dfs *dfs;
	struct dfs_channel *chan_list = (struct dfs_channel *)clist;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		*num_chan = 0;
		return;
	}

	cur_chan_list = qdf_mem_malloc(NUM_CHANNELS *
			sizeof(struct regulatory_channel));
	if (!cur_chan_list) {
		*num_chan = 0;
		return;
	}

	if (wlan_reg_get_current_chan_list(
			pdev, cur_chan_list) != QDF_STATUS_SUCCESS) {
		*num_chan = 0;
		dfs_alert(dfs, WLAN_DEBUG_DFS_ALWAYS,
				"failed to get curr channel list");
		return;
	}

	for (i = 0; i < NUM_CHANNELS; i++) {
		state = cur_chan_list[i].state;
		if (state == CHANNEL_STATE_DFS ||
				state == CHANNEL_STATE_ENABLE) {
			chan_list[j].dfs_ch_ieee = cur_chan_list[i].chan_num;
			chan_list[j].dfs_ch_freq = cur_chan_list[i].center_freq;
			if (state == CHANNEL_STATE_DFS)
				chan_list[j].dfs_ch_flagext =
					WLAN_CHAN_DFS;

			if (cur_chan_list[i].nol_history)
				chan_list[j].dfs_ch_flagext |=
					WLAN_CHAN_HISTORY_RADAR;
			j++;
		}
	}
	*num_chan = j;
	qdf_mem_free(cur_chan_list);

	return;
}

/**
 * utils_dfs_get_channel_list() - Get channel list from regdb component, based
 * on current channel list.
 * @pdev: Pointer to pdev structure.
 * @vdev: vdev of request
 * @chan_list: Pointer to channel list.
 * @num_chan: number of channels.
 *
 * Get regdb channel list based on dfs current channel.
 * Ex: When  AP is operating in 5GHz channel, filter 2.4GHz and 4.9GHZ channels
 * so that the random channel function does not select either 2.4GHz or 4.9GHz
 * channel.
 */
#ifdef CONFIG_CHAN_FREQ_API
static void utils_dfs_get_channel_list(struct wlan_objmgr_pdev *pdev,
				       struct wlan_objmgr_vdev *vdev,
				       struct dfs_channel *chan_list,
				       uint32_t *num_chan)
{
	struct dfs_channel *tmp_chan_list = NULL;
	struct wlan_dfs *dfs;
	bool is_curchan_5g;
	bool is_curchan_24g;
	bool is_curchan_49g;
	bool is_inter_band_switch_allowed;
	uint8_t chan_num;
	uint16_t center_freq;
	uint16_t flagext;
	uint32_t i, j = 0;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "null dfs");
		return;
	}

	tmp_chan_list = qdf_mem_malloc(*num_chan * sizeof(*tmp_chan_list));
	if (!tmp_chan_list)
		return;

	utils_dfs_get_chan_list(pdev, (void *)tmp_chan_list, num_chan);

	chan_num = dfs->dfs_curchan->dfs_ch_ieee;
	center_freq = dfs->dfs_curchan->dfs_ch_freq;
	is_curchan_5g = WLAN_REG_IS_5GHZ_CH_FREQ(center_freq);
	is_curchan_24g = WLAN_REG_IS_24GHZ_CH_FREQ(center_freq);
	is_curchan_49g = WLAN_REG_IS_49GHZ_FREQ(center_freq);
	is_inter_band_switch_allowed =
		dfs_mlme_is_inter_band_chan_switch_allowed(dfs->dfs_pdev_obj);

	for (i = 0; i < *num_chan; i++) {
		chan_num = tmp_chan_list[i].dfs_ch_ieee;
		center_freq = tmp_chan_list[i].dfs_ch_freq;
		flagext = tmp_chan_list[i].dfs_ch_flagext;
		/* No change in prototype needed. Hence retaining same func */
		if (!dfs_mlme_check_allowed_prim_chanlist(pdev, center_freq))
			continue;

		if (is_curchan_5g) {
			/*
			 * Always add 5G channels.
			 * If inter band is allowed, add 6G also.
			 */
			if (WLAN_REG_IS_5GHZ_CH_FREQ(center_freq) ||
			    (is_inter_band_switch_allowed &&
			     WLAN_REG_IS_6GHZ_CHAN_FREQ(center_freq))) {
				chan_list[j].dfs_ch_ieee = chan_num;
				chan_list[j].dfs_ch_freq = center_freq;
				chan_list[j].dfs_ch_flagext = flagext;
				j++;
			}
		} else if ((is_curchan_24g) &&
				WLAN_REG_IS_24GHZ_CH_FREQ(center_freq)) {
			chan_list[j].dfs_ch_ieee = chan_num;
			chan_list[j].dfs_ch_freq = center_freq;
			j++;
		} else if ((is_curchan_49g) &&
				WLAN_REG_IS_49GHZ_FREQ(center_freq)) {
			chan_list[j].dfs_ch_ieee = chan_num;
			chan_list[j].dfs_ch_freq = center_freq;
			j++;
		}
	}

	*num_chan = j;

	qdf_mem_free(tmp_chan_list);
}
#endif
#else
void utils_dfs_get_nol_history_chan_list(struct wlan_objmgr_pdev *pdev,
					 void *clist, uint32_t *num_chan)
{
	utils_dfs_get_chan_list(pdev, clist, num_chan);
}

static void utils_dfs_get_channel_list(struct wlan_objmgr_pdev *pdev,
				       struct wlan_objmgr_vdev *vdev,
				       struct dfs_channel *chan_list,
				       uint32_t *num_chan)
{
	uint32_t pcl_ch[NUM_CHANNELS] = {0};
	uint8_t weight_list[NUM_CHANNELS] = {0};
	uint32_t len;
	uint32_t weight_len;
	uint32_t i;
	struct wlan_objmgr_psoc *psoc;
	uint32_t conn_count = 0;
	enum policy_mgr_con_mode mode;
	uint8_t vdev_id = WLAN_INVALID_VDEV_ID;
	enum QDF_OPMODE op_mode;

	psoc = wlan_pdev_get_psoc(pdev);
	if (!psoc) {
		*num_chan = 0;
		dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS,  "null psoc");
		return;
	}

	len = QDF_ARRAY_SIZE(pcl_ch);
	weight_len = QDF_ARRAY_SIZE(weight_list);

	if (vdev) {
		vdev_id = wlan_vdev_get_id(vdev);
		op_mode = wlan_vdev_mlme_get_opmode(vdev);
		mode = policy_mgr_qdf_opmode_to_pm_con_mode(psoc, op_mode,
							    vdev_id);
	} else {
		mode = PM_SAP_MODE;
	}
	conn_count = policy_mgr_mode_specific_connection_count(
			psoc, mode, NULL);
	if (0 == conn_count)
		policy_mgr_get_pcl(psoc, mode, pcl_ch,
				   &len, weight_list, weight_len, vdev_id);
	else
		policy_mgr_get_pcl_for_existing_conn(
			psoc, mode, pcl_ch, &len, weight_list,
			weight_len, true, vdev_id);

	if (*num_chan < len) {
		dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS,
				"Invalid len src=%d, dst=%d",
				*num_chan, len);
		*num_chan = 0;
		return;
	}

	for (i = 0; i < len; i++) {
		chan_list[i].dfs_ch_ieee  =
			wlan_reg_freq_to_chan(pdev, pcl_ch[i]);
		chan_list[i].dfs_ch_freq  = pcl_ch[i];
		if (wlan_reg_is_dfs_for_freq(pdev, pcl_ch[i]))
			chan_list[i].dfs_ch_flagext |= WLAN_CHAN_DFS;
	}
	*num_chan = i;
	dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, "num channels %d", i);
}

void utils_dfs_get_chan_list(struct wlan_objmgr_pdev *pdev,
			     void *clist, uint32_t *num_chan)
{
	utils_dfs_get_channel_list(pdev, NULL, (struct dfs_channel *)clist,
				   num_chan);
}

bool utils_dfs_can_ignore_radar_event(struct wlan_objmgr_pdev *pdev)
{
	return policy_mgr_get_can_skip_radar_event(
		wlan_pdev_get_psoc(pdev), INVALID_VDEV_ID);
}
#endif

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_get_vdev_random_channel_for_freq(
	struct wlan_objmgr_pdev *pdev, struct wlan_objmgr_vdev *vdev,
	uint16_t flags, struct ch_params *chan_params, uint32_t *hw_mode,
	uint16_t *target_chan_freq, struct dfs_acs_info *acs_info)
{
	uint32_t dfs_reg;
	uint32_t num_chan = NUM_CHANNELS;
	struct wlan_dfs *dfs = NULL;
	struct wlan_objmgr_psoc *psoc;
	struct dfs_channel *chan_list = NULL;
	QDF_STATUS status = QDF_STATUS_E_FAILURE;

	*target_chan_freq = 0;
	psoc = wlan_pdev_get_psoc(pdev);
	if (!psoc) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null psoc");
		goto random_chan_error;
	}

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		goto random_chan_error;
	}

	wlan_reg_get_dfs_region(pdev, &dfs_reg);
	chan_list = qdf_mem_malloc(num_chan * sizeof(*chan_list));
	if (!chan_list)
		goto random_chan_error;

	utils_dfs_get_channel_list(pdev, vdev, chan_list, &num_chan);
	if (!num_chan) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "zero channels");
		goto random_chan_error;
	}

	if (!chan_params->ch_width)
		utils_dfs_get_max_sup_width(pdev,
					    (uint8_t *)&chan_params->ch_width);

	*target_chan_freq = dfs_prepare_random_channel_for_freq(
			dfs, chan_list, num_chan, flags, chan_params,
			(uint8_t)dfs_reg, acs_info);

	dfs_info(dfs, WLAN_DEBUG_DFS_RANDOM_CHAN,
		 "input width=%d", chan_params->ch_width);

	if (*target_chan_freq) {
		wlan_reg_set_channel_params_for_pwrmode(
						     pdev, *target_chan_freq, 0,
						     chan_params,
						     REG_CURRENT_PWR_MODE);
		utils_dfs_get_max_phy_mode(pdev, hw_mode);
		status = QDF_STATUS_SUCCESS;
	}

	dfs_info(dfs, WLAN_DEBUG_DFS_RANDOM_CHAN,
		 "ch=%d, seg0=%d, seg1=%d, width=%d",
		 *target_chan_freq, chan_params->center_freq_seg0,
		 chan_params->center_freq_seg1, chan_params->ch_width);

random_chan_error:
	qdf_mem_free(chan_list);

	return status;
}

qdf_export_symbol(utils_dfs_get_vdev_random_channel_for_freq);
#endif

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_get_random_channel_for_freq(
	struct wlan_objmgr_pdev *pdev,
	uint16_t flags,
	struct ch_params *ch_params,
	uint32_t *hw_mode,
	uint16_t *target_chan_freq,
	struct dfs_acs_info *acs_info)
{
	return utils_dfs_get_vdev_random_channel_for_freq(pdev, NULL, flags,
							  ch_params, hw_mode,
							  target_chan_freq,
							  acs_info);
}

qdf_export_symbol(utils_dfs_get_random_channel_for_freq);
#endif

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_bw_reduced_channel_for_freq(
						 struct wlan_objmgr_pdev *pdev,
						 struct ch_params *chan_params,
						 uint32_t *hw_mode,
						 uint16_t *target_chan_freq)
{
	struct wlan_dfs *dfs = NULL;
	struct wlan_objmgr_psoc *psoc;
	enum channel_state ch_state;
	QDF_STATUS status = QDF_STATUS_E_FAILURE;
	struct dfs_channel *dfs_curchan;

	*target_chan_freq = 0;
	psoc = wlan_pdev_get_psoc(pdev);
	if (!psoc) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null psoc");
		return status;
	}

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return status;
	}
	dfs_curchan = dfs->dfs_curchan;
	ch_state =
		wlan_reg_get_channel_state_for_pwrmode(pdev,
						       dfs_curchan->dfs_ch_freq,
						       REG_CURRENT_PWR_MODE);

	if (ch_state == CHANNEL_STATE_DFS ||
	    ch_state == CHANNEL_STATE_ENABLE) {
		/* If the current channel is 80P80MHz and radar is detected on
		 * the channel, the next highest bandwidth that maybe available
		 * is 80MHz. Since the current regulatory algorithm reduces the
		 * bandwidth from 80P80MHz to 160MHz, provide the channel
		 * width as 80MHz if current channel is 80P80MHz.
		 */
		if (chan_params->ch_width == CH_WIDTH_80P80MHZ)
			chan_params->ch_width = CH_WIDTH_80MHZ;

		chan_params->mhz_freq_seg0 =
			dfs_curchan->dfs_ch_mhz_freq_seg1;
		chan_params->mhz_freq_seg1 =
			dfs_curchan->dfs_ch_mhz_freq_seg2;
		wlan_reg_set_channel_params_for_pwrmode(pdev, dfs_curchan->
							dfs_ch_freq,
							0, chan_params,
							REG_CURRENT_PWR_MODE);

		*target_chan_freq = dfs_curchan->dfs_ch_freq;
		utils_dfs_get_max_phy_mode(pdev, hw_mode);

		return QDF_STATUS_SUCCESS;
	}

	return status;
}

qdf_export_symbol(utils_dfs_bw_reduced_channel_for_freq);
#endif


#ifdef QCA_DFS_NOL_PLATFORM_DRV_SUPPORT
void utils_dfs_init_nol(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;
	struct wlan_objmgr_psoc *psoc;
	qdf_device_t qdf_dev;
	struct dfs_nol_info *dfs_nolinfo;
	int len;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	psoc = wlan_pdev_get_psoc(pdev);
	if (!dfs || !psoc) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
				"dfs %pK, psoc %pK", dfs, psoc);
		return;
	}

	qdf_dev = psoc->soc_objmgr.qdf_dev;
	if (!qdf_dev->dev) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null device");
		return;
	}

	dfs_nolinfo = qdf_mem_malloc(sizeof(*dfs_nolinfo));
	if (!dfs_nolinfo)
		return;

	qdf_mem_zero(dfs_nolinfo, sizeof(*dfs_nolinfo));
	len = pld_wlan_get_dfs_nol(qdf_dev->dev, (void *)dfs_nolinfo,
				   (uint16_t)sizeof(*dfs_nolinfo));
	if (len > 0) {
		dfs_set_nol(dfs, dfs_nolinfo->dfs_nol, dfs_nolinfo->num_chans);
		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "nol channels in pld");
		DFS_PRINT_NOL_LOCKED(dfs);
	} else {
		dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS,  "no nol in pld");
	}
	qdf_mem_free(dfs_nolinfo);
}
qdf_export_symbol(utils_dfs_init_nol);
#endif

#ifndef QCA_DFS_NOL_PLATFORM_DRV_SUPPORT
void utils_dfs_save_nol(struct wlan_objmgr_pdev *pdev)
{
}
#else
void utils_dfs_save_nol(struct wlan_objmgr_pdev *pdev)
{
	struct dfs_nol_info *dfs_nolinfo;
	struct wlan_dfs *dfs = NULL;
	struct wlan_objmgr_psoc *psoc;
	qdf_device_t qdf_dev;
	int num_chans = 0;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return;
	}

	psoc = wlan_pdev_get_psoc(pdev);
	if (!psoc) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null psoc");
		return;
	}

	qdf_dev = psoc->soc_objmgr.qdf_dev;
	if (!qdf_dev->dev) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null device");
		return;
	}

	dfs_nolinfo = qdf_mem_malloc(sizeof(*dfs_nolinfo));
	if (!dfs_nolinfo)
		return;

	qdf_mem_zero(dfs_nolinfo, sizeof(*dfs_nolinfo));
	DFS_GET_NOL_LOCKED(dfs, dfs_nolinfo->dfs_nol, &num_chans);

	if (num_chans > DFS_MAX_NOL_CHANNEL)
		dfs_nolinfo->num_chans = DFS_MAX_NOL_CHANNEL;
	else
		dfs_nolinfo->num_chans = num_chans;

	pld_wlan_set_dfs_nol(qdf_dev->dev, (void *)dfs_nolinfo,
			     (uint16_t)sizeof(*dfs_nolinfo));
	qdf_mem_free(dfs_nolinfo);
}
#endif
qdf_export_symbol(utils_dfs_save_nol);

void utils_dfs_print_nol_channels(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs = NULL;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return;
	}

	DFS_PRINT_NOL_LOCKED(dfs);
}
qdf_export_symbol(utils_dfs_print_nol_channels);

void utils_dfs_clear_nol_channels(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs = NULL;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return;
	}

	/* First print list */
	DFS_PRINT_NOL_LOCKED(dfs);

	/* clear local cache first */
	dfs_nol_timer_cleanup(dfs);
	dfs_nol_update(dfs);

	/*
	 * update platform driver nol list with local cache which is zero,
	 * cleared in above step, so this will clear list in platform driver.
	 */
	utils_dfs_save_nol(pdev);
}
qdf_export_symbol(utils_dfs_clear_nol_channels);

#ifdef CONFIG_CHAN_FREQ_API
void utils_dfs_reg_update_nol_chan_for_freq(struct wlan_objmgr_pdev *pdev,
					  uint16_t *freq_list,
					  uint8_t num_chan,
					  bool nol_chan)
{
	wlan_reg_update_nol_ch_for_freq(pdev, freq_list, num_chan, nol_chan);
}

qdf_export_symbol(utils_dfs_reg_update_nol_chan_for_freq);
#endif

#ifdef CONFIG_CHAN_FREQ_API
void
utils_dfs_reg_update_nol_history_chan_for_freq(struct wlan_objmgr_pdev *pdev,
					       uint16_t *freq_list,
					       uint8_t num_chan,
					       bool nol_history_chan)
{
	wlan_reg_update_nol_history_ch_for_freq(pdev, freq_list, num_chan,
						nol_history_chan);
}
#endif

uint8_t utils_dfs_freq_to_chan(uint32_t freq)
{
	uint8_t chan;

	if (freq == 0)
		return 0;

	if (freq > DFS_24_GHZ_BASE_FREQ && freq < DFS_CHAN_14_FREQ)
		chan = ((freq - DFS_24_GHZ_BASE_FREQ) / DFS_CHAN_SPACING_5MHZ);
	else if (freq == DFS_CHAN_14_FREQ)
		chan = DFS_24_GHZ_CHANNEL_14;
	else if ((freq > DFS_24_GHZ_BASE_FREQ) && (freq < DFS_5_GHZ_BASE_FREQ))
		chan = (((freq - DFS_CHAN_15_FREQ) / DFS_CHAN_SPACING_20MHZ) +
			DFS_24_GHZ_CHANNEL_15);
	else
		chan = (freq - DFS_5_GHZ_BASE_FREQ) / DFS_CHAN_SPACING_5MHZ;

	return chan;
}
qdf_export_symbol(utils_dfs_freq_to_chan);

uint32_t utils_dfs_chan_to_freq(uint8_t chan)
{
	if (chan == 0)
		return 0;

	if (chan < DFS_24_GHZ_CHANNEL_14)
		return DFS_24_GHZ_BASE_FREQ + (chan * DFS_CHAN_SPACING_5MHZ);
	else if (chan == DFS_24_GHZ_CHANNEL_14)
		return DFS_CHAN_14_FREQ;
	else if (chan < DFS_24_GHZ_CHANNEL_27)
		return DFS_CHAN_15_FREQ + ((chan - DFS_24_GHZ_CHANNEL_15) *
				DFS_CHAN_SPACING_20MHZ);
	else if (chan == DFS_5_GHZ_CHANNEL_170)
		return DFS_CHAN_170_FREQ;
	else
		return DFS_5_GHZ_BASE_FREQ + (chan * DFS_CHAN_SPACING_5MHZ);
}
qdf_export_symbol(utils_dfs_chan_to_freq);

#ifdef MOBILE_DFS_SUPPORT

#ifdef CONFIG_CHAN_FREQ_API
QDF_STATUS utils_dfs_mark_leaking_chan_for_freq(struct wlan_objmgr_pdev *pdev,
	enum phy_ch_width ch_width,
	uint8_t temp_chan_lst_sz,
	uint16_t *temp_freq_lst)
{
	struct wlan_dfs *dfs = NULL;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return  QDF_STATUS_E_FAILURE;
	}

	return dfs_mark_leaking_chan_for_freq(dfs, ch_width, temp_chan_lst_sz,
					    temp_freq_lst);
}
qdf_export_symbol(utils_dfs_mark_leaking_chan_for_freq);
#endif
#endif

int utils_get_dfsdomain(struct wlan_objmgr_pdev *pdev)
{
	enum dfs_reg dfsdomain;

	wlan_reg_get_dfs_region(pdev, &dfsdomain);

	return dfsdomain;
}

#if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST)
QDF_STATUS utils_dfs_is_spoof_check_failed(struct wlan_objmgr_pdev *pdev,
					   bool *is_spoof_check_failed)
{
	struct wlan_dfs *dfs;

	if (!tgt_dfs_is_5ghz_supported_in_pdev(pdev))
		return QDF_STATUS_SUCCESS;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is null");
		return  QDF_STATUS_E_FAILURE;
	}

	*is_spoof_check_failed = dfs->dfs_spoof_check_failed;

	return QDF_STATUS_SUCCESS;
}

qdf_export_symbol(utils_dfs_is_spoof_check_failed);

bool utils_dfs_is_spoof_done(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	if (lmac_is_host_dfs_check_support_enabled(dfs->dfs_pdev_obj) &&
	    utils_get_dfsdomain(dfs->dfs_pdev_obj) == DFS_FCC_DOMAIN)
		return !!dfs->dfs_spoof_test_done;
	return true;
}
#endif

int dfs_get_num_chans(void)
{
	return NUM_CHANNELS;
}

#if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD)
QDF_STATUS utils_dfs_get_disable_radar_marking(struct wlan_objmgr_pdev *pdev,
					       bool *disable_radar_marking)
{
	struct wlan_dfs *dfs;

	if (!tgt_dfs_is_5ghz_supported_in_pdev(pdev))
		return QDF_STATUS_SUCCESS;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is null");
		return  QDF_STATUS_E_FAILURE;
	}

	*disable_radar_marking = dfs_get_disable_radar_marking(dfs);

	return QDF_STATUS_SUCCESS;
}

qdf_export_symbol(utils_dfs_get_disable_radar_marking);
#endif

bool utils_is_dfs_cfreq2_ch(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	return WLAN_IS_CHAN_DFS_CFREQ2(dfs->dfs_curchan);
}

qdf_export_symbol(utils_is_dfs_cfreq2_ch);

void utils_dfs_deliver_event(struct wlan_objmgr_pdev *pdev, uint16_t freq,
			     enum WLAN_DFS_EVENTS event)
{
	if (global_dfs_to_mlme.mlme_dfs_deliver_event)
		global_dfs_to_mlme.mlme_dfs_deliver_event(pdev, freq, event);
}

void utils_dfs_reset_dfs_prevchan(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_dfs *dfs;

	if (!tgt_dfs_is_5ghz_supported_in_pdev(pdev))
		return;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is null");
		return;
	}

	dfs_reset_dfs_prevchan(dfs);
}

#ifdef QCA_SUPPORT_AGILE_DFS

void utils_dfs_agile_sm_deliver_evt(struct wlan_objmgr_pdev *pdev,
				    enum dfs_agile_sm_evt event)
{
	struct wlan_dfs *dfs;
	void *event_data;
	struct dfs_soc_priv_obj *dfs_soc_obj;

	if (!tgt_dfs_is_5ghz_supported_in_pdev(pdev))
		return;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is null");
		return;
	}

	if (!dfs_is_agile_cac_enabled(dfs))
		return;

	dfs_soc_obj = dfs->dfs_soc_obj;
	dfs_soc_obj->dfs_priv[dfs->dfs_psoc_idx].agile_precac_active = true;
	event_data = (void *)dfs;

	dfs_agile_sm_deliver_evt(dfs->dfs_soc_obj,
				 event,
				 0,
				 event_data);
}
#endif

#ifdef QCA_SUPPORT_ADFS_RCAC
QDF_STATUS utils_dfs_get_rcac_channel(struct wlan_objmgr_pdev *pdev,
				      struct ch_params *chan_params,
				      qdf_freq_t *target_chan_freq)
{
	struct wlan_dfs *dfs = NULL;
	QDF_STATUS status = QDF_STATUS_E_FAILURE;

	if (!target_chan_freq)
		return status;

	*target_chan_freq = 0;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs) {
		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "null dfs");
		return status;
	}

	if (!dfs_is_agile_rcac_enabled(dfs))
		return status;

	*target_chan_freq = dfs->dfs_rcac_param.rcac_pri_freq;

	/* Do not modify the input ch_params if no RCAC channel is present. */
	if (!*target_chan_freq)
		return status;

	*chan_params = dfs->dfs_rcac_param.rcac_ch_params;

	return QDF_STATUS_SUCCESS;
}
#endif

#ifdef ATH_SUPPORT_ZERO_CAC_DFS
enum precac_status_for_chan
utils_dfs_precac_status_for_channel(struct wlan_objmgr_pdev *pdev,
				    struct wlan_channel *deschan)
{
	struct wlan_dfs *dfs;
	struct dfs_channel chan;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return false;

	dfs_fill_chan_info(&chan, deschan);

	return dfs_precac_status_for_channel(dfs, &chan);
}
#endif

#if defined(WLAN_DISP_CHAN_INFO)
#define FIRST_DFS_CHAN_NUM  52
#define CHAN_NUM_SPACING     4
#define INVALID_INDEX     (-1)

void utils_dfs_convert_freq_to_index(qdf_freq_t freq, int8_t *index)
{
	uint16_t chan_num;
	int8_t tmp_index;

	chan_num = (freq - WLAN_5_GHZ_BASE_FREQ) / WLAN_CHAN_SPACING_5MHZ;
	tmp_index = (chan_num - FIRST_DFS_CHAN_NUM) / CHAN_NUM_SPACING;
	*index = ((tmp_index >= 0) && (tmp_index < NUM_DFS_CHANS)) ?
		  tmp_index : INVALID_INDEX;
}

/**
 * utils_dfs_update_chan_state_array_element() - Update the per dfs channel
 * state array element indexed by the frequency with the new state.
 * @dfs: DFS context
 * @freq: Input DFS Channel frequency which will converted to channel state
 * array index.
 * @state: Input DFS state with which the value indexed by frequency will be
 * updated with.
 *
 * Return: QDF_STATUS
 */
static QDF_STATUS
utils_dfs_update_chan_state_array_element(struct wlan_dfs *dfs,
					  qdf_freq_t freq,
					  enum channel_dfs_state state)
{
	int8_t index;
	enum channel_enum chan_enum;

	if (state == CH_DFS_S_INVALID)
		return QDF_STATUS_E_INVAL;

	chan_enum = wlan_reg_get_chan_enum_for_freq(freq);
	/* Do not send DFS events on invalid IEEE channels */
	if (chan_enum == INVALID_CHANNEL)
		return QDF_STATUS_E_INVAL;

	utils_dfs_convert_freq_to_index(freq, &index);

	if (index == INVALID_INDEX)
		return QDF_STATUS_E_INVAL;

	dfs->dfs_channel_state_array[index] = state;

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS dfs_init_chan_state_array(struct wlan_objmgr_pdev *pdev)
{
	struct regulatory_channel *cur_chan_list;
	struct wlan_dfs *dfs;
	int i;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return QDF_STATUS_E_FAILURE;

	cur_chan_list = qdf_mem_malloc(NUM_CHANNELS *
			sizeof(struct regulatory_channel));
	if (!cur_chan_list)
		return QDF_STATUS_E_NOMEM;

	if (wlan_reg_get_current_chan_list(
				pdev, cur_chan_list) != QDF_STATUS_SUCCESS) {
		qdf_mem_free(cur_chan_list);
		dfs_alert(dfs, WLAN_DEBUG_DFS_ALWAYS,
			  "failed to get curr channel list");
		return QDF_STATUS_E_FAILURE;
	}

	for (i = 0; i < NUM_CHANNELS; i++) {
		qdf_freq_t freq = cur_chan_list[i].center_freq;

		if (!IS_CHAN_DFS(cur_chan_list[i].chan_flags))
			continue;

		utils_dfs_update_chan_state_array_element(dfs,
							  freq,
							  CH_DFS_S_CAC_REQ);
	}

	qdf_mem_free(cur_chan_list);
	qdf_err("channel state array initialized");
	return QDF_STATUS_SUCCESS;
}

QDF_STATUS utils_dfs_get_chan_dfs_state(struct wlan_objmgr_pdev *pdev,
					enum channel_dfs_state *dfs_ch_s)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);

	if (!dfs)
		return QDF_STATUS_E_FAILURE;

	qdf_mem_copy(dfs_ch_s,
		     dfs->dfs_channel_state_array,
		     sizeof(dfs->dfs_channel_state_array));

	return QDF_STATUS_SUCCESS;
}

qdf_export_symbol(utils_dfs_get_chan_dfs_state);

/**
 * convert_event_to_state() - Converts the dfs events WLAN_DFS_EVENTS to dfs
 * states channel_dfs_state.
 * @event: Input DFS event.
 * @state: Output DFS state.
 *
 * Return: void.
 */
static
void convert_event_to_state(enum WLAN_DFS_EVENTS event,
			    enum channel_dfs_state *state)
{
	static const
	enum channel_dfs_state ev_to_state[WLAN_EV_PCAC_COMPLETED + 1] = {
	[WLAN_EV_RADAR_DETECTED] = CH_DFS_S_INVALID,
	[WLAN_EV_CAC_RESET]      = CH_DFS_S_CAC_REQ,
	[WLAN_EV_CAC_STARTED]    = CH_DFS_S_CAC_STARTED,
	[WLAN_EV_CAC_COMPLETED]  = CH_DFS_S_CAC_COMPLETED,
	[WLAN_EV_NOL_STARTED]    = CH_DFS_S_NOL,
	[WLAN_EV_NOL_FINISHED]   = CH_DFS_S_CAC_REQ,
	[WLAN_EV_PCAC_STARTED]   = CH_DFS_S_PRECAC_STARTED,
	[WLAN_EV_PCAC_COMPLETED] = CH_DFS_S_PRECAC_COMPLETED,
	};

	*state = ev_to_state[event];
}

QDF_STATUS utils_dfs_update_chan_state_array(struct wlan_objmgr_pdev *pdev,
					     qdf_freq_t freq,
					     enum WLAN_DFS_EVENTS event)
{
	enum channel_dfs_state state;
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return QDF_STATUS_E_FAILURE;

	convert_event_to_state(event, &state);
	return utils_dfs_update_chan_state_array_element(dfs, freq, state);
}
#endif /* WLAN_DISP_CHAN_INFO */

QDF_STATUS utils_dfs_radar_enable(struct wlan_objmgr_pdev *pdev)
{
	return tgt_dfs_radar_enable(pdev, 0, 0, true);
}

#ifdef WLAN_FEATURE_11BE
enum phy_ch_width
utils_dfs_convert_wlan_phymode_to_chwidth(enum wlan_phymode phymode)
{
		switch (phymode) {
		case WLAN_PHYMODE_11NA_HT20:
		case WLAN_PHYMODE_11NG_HT20:
		case WLAN_PHYMODE_11AC_VHT20:
		case WLAN_PHYMODE_11AC_VHT20_2G:
		case WLAN_PHYMODE_11AXA_HE20:
		case WLAN_PHYMODE_11AXG_HE20:
		case WLAN_PHYMODE_11BEG_EHT20:
		case WLAN_PHYMODE_11BEA_EHT20:
			return CH_WIDTH_20MHZ;
		case WLAN_PHYMODE_11NA_HT40:
		case WLAN_PHYMODE_11NG_HT40PLUS:
		case WLAN_PHYMODE_11NG_HT40MINUS:
		case WLAN_PHYMODE_11NG_HT40:
		case WLAN_PHYMODE_11AC_VHT40:
		case WLAN_PHYMODE_11AC_VHT40PLUS_2G:
		case WLAN_PHYMODE_11AC_VHT40MINUS_2G:
		case WLAN_PHYMODE_11AC_VHT40_2G:
		case WLAN_PHYMODE_11AXG_HE40PLUS:
		case WLAN_PHYMODE_11AXG_HE40MINUS:
		case WLAN_PHYMODE_11AXG_HE40:
		case WLAN_PHYMODE_11BEA_EHT40:
		case WLAN_PHYMODE_11BEG_EHT40PLUS:
		case WLAN_PHYMODE_11BEG_EHT40MINUS:
		case WLAN_PHYMODE_11BEG_EHT40:
			return CH_WIDTH_40MHZ;
		case WLAN_PHYMODE_11AC_VHT80:
		case WLAN_PHYMODE_11AC_VHT80_2G:
		case WLAN_PHYMODE_11AXA_HE80:
		case WLAN_PHYMODE_11AXG_HE80:
		case WLAN_PHYMODE_11BEA_EHT80:
			return CH_WIDTH_80MHZ;
		case WLAN_PHYMODE_11AC_VHT160:
		case WLAN_PHYMODE_11AXA_HE160:
		case WLAN_PHYMODE_11BEA_EHT160:
			return CH_WIDTH_160MHZ;
		case WLAN_PHYMODE_11AC_VHT80_80:
		case WLAN_PHYMODE_11AXA_HE80_80:
			return CH_WIDTH_80P80MHZ;
		case WLAN_PHYMODE_11BEA_EHT320:
			return CH_WIDTH_320MHZ;
		default:
			return CH_WIDTH_INVALID;
		}
}
#else
enum phy_ch_width
utils_dfs_convert_wlan_phymode_to_chwidth(enum wlan_phymode phymode)
{
		switch (phymode) {
		case WLAN_PHYMODE_11NA_HT20:
		case WLAN_PHYMODE_11NG_HT20:
		case WLAN_PHYMODE_11AC_VHT20:
		case WLAN_PHYMODE_11AC_VHT20_2G:
		case WLAN_PHYMODE_11AXA_HE20:
		case WLAN_PHYMODE_11AXG_HE20:
			return CH_WIDTH_20MHZ;
		case WLAN_PHYMODE_11NA_HT40:
		case WLAN_PHYMODE_11NG_HT40PLUS:
		case WLAN_PHYMODE_11NG_HT40MINUS:
		case WLAN_PHYMODE_11NG_HT40:
		case WLAN_PHYMODE_11AC_VHT40:
		case WLAN_PHYMODE_11AC_VHT40PLUS_2G:
		case WLAN_PHYMODE_11AC_VHT40MINUS_2G:
		case WLAN_PHYMODE_11AC_VHT40_2G:
		case WLAN_PHYMODE_11AXG_HE40PLUS:
		case WLAN_PHYMODE_11AXG_HE40MINUS:
		case WLAN_PHYMODE_11AXG_HE40:
			return CH_WIDTH_40MHZ;
		case WLAN_PHYMODE_11AC_VHT80:
		case WLAN_PHYMODE_11AC_VHT80_2G:
		case WLAN_PHYMODE_11AXA_HE80:
		case WLAN_PHYMODE_11AXG_HE80:
			return CH_WIDTH_80MHZ;
		case WLAN_PHYMODE_11AC_VHT160:
		case WLAN_PHYMODE_11AXA_HE160:
			return CH_WIDTH_160MHZ;
		case WLAN_PHYMODE_11AC_VHT80_80:
		case WLAN_PHYMODE_11AXA_HE80_80:
			return CH_WIDTH_80P80MHZ;
		default:
			return CH_WIDTH_INVALID;
		}
}
#endif

#if defined(WLAN_FEATURE_11BE) && defined(QCA_DFS_BW_EXPAND) && \
	defined(QCA_DFS_RCSA_SUPPORT)
uint16_t
utils_dfs_get_radar_bitmap_from_nolie(struct wlan_objmgr_pdev *pdev,
				      enum wlan_phymode phy_mode,
				      qdf_freq_t nol_ie_start_freq,
				      uint8_t nol_ie_bitmap)
{
	struct wlan_dfs *dfs;

	dfs = wlan_pdev_get_dfs_obj(pdev);
	if (!dfs)
		return 0;

	return dfs_get_radar_bitmap_from_nolie(dfs, phy_mode, nol_ie_start_freq,
					       nol_ie_bitmap);
}
#endif