umac/dfs/core/src/filtering/dfs_partial_offload_radar.c - platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn - Gitiles

 /*
  * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
  * Copyright (c) 2011, Atheros Communications 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.
  */

 /**
  * DOC: This file has radar table and initialization function for Beeliner
  * family of chipsets.
  */

 #include "../dfs.h"
 #include "wlan_dfs_mlme_api.h"
 #include <wlan_objmgr_vdev_obj.h>
 #include "wlan_dfs_utils_api.h"
 #include "wlan_dfs_lmac_api.h"
 #include "../dfs_internal.h"
 #include "../dfs_partial_offload_radar.h"
 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST)
 #include "../dfs_process_radar_found_ind.h"
 #endif

 /**
  * struct dfs_pulse dfs_fcc_radars - FCC radar table for Offload chipsets.
  */
 static struct dfs_pulse dfs_fcc_radars[] = {
 	/* FCC TYPE 1 */
 	{18,  1,  700, 700, 0,  4,  5,  0,  1, 18,  0, 3,  1, 5, 0, 0},
 	{18,  1,  350, 350, 0,  4,  5,  0,  1, 18,  0, 3,  0, 5, 0, 0},

 	/* FCC TYPE 6 */
 	{9,   1, 3003, 3003, 1,  7,  5,  0,  1, 18,  0, 0,  1, 1000, 0, 1},

 	/* FCC TYPE 2 */
 	{23, 5, 4347, 6666, 0,  4, 11,  0,  7, 22,  0, 3,  0, 5, 0, 2},

 	/* FCC TYPE 3 */
 	{18, 10, 2000, 5000, 0,  4,  8,  6, 13, 22,  0, 3, 0, 5, 0, 5},

 	/* FCC TYPE 4 */
 	{16, 15, 2000, 5000, 0,  4,  7, 11, 23, 22,  0, 3, 0, 5, 0, 11},

 	/* FCC NEW TYPE 1 */
 	/* 518us to 938us pulses (min 56 pulses) */
 	{57, 1, 1066, 1930, 0, 4,  20,  0,  1, 22,  0, 3,  0, 5, 0, 21},

 	/* 938us to 2000 pulses (min 26 pulses) */
 	{27, 1,  500, 1066, 0, 4,  13,  0,  1, 22,  0, 3,  0, 5, 0, 22},

 	/* 2000 to 3067us pulses (min 17 pulses) */
 	{18, 1,  325,  500, 0, 4,  9,   0,  1, 22,  0, 3,  0, 5, 0, 23},
 };

 /**
  * struct dfs_pulse dfs_mkk4_radars - MKK4 radar table for Offload chipsets.
  */
 static struct dfs_pulse dfs_mkk4_radars[] = {

 	/* following two filters are specific to Japan/MKK4 */
 	/* 1389 +/- 6 us */
 	{18,  1,  720,  720, 0,  4,  6,  0,  1, 18,  0, 3, 0, 5, 0, 17},

 	/* 4000 +/- 6 us */
 	{18,  4,  250,  250, 0,  4,  5,  1,  6, 18,  0, 3, 0, 5, 0, 18},

 	/* 3846 +/- 7 us */
 	{18,  5,  260,  260, 0,  4,  6,  1,  6, 18,  0, 3, 1, 5, 0, 19},

 	/* following filters are common to both FCC and JAPAN */

 	/* FCC TYPE 1 */
 	{18,  1,  700, 700, 0,  4,  5,  0,  1, 18,  0, 3,  1, 5, 0, 0},
 	{18,  1,  350, 350, 0,  4,  5,  0,  1, 18,  0, 3,  0, 5, 0, 0},

 	/* FCC TYPE 6 */
 	{9,   1, 3003, 3003, 1,  7,  5,  0,  1, 18,  0, 0, 1,  1000, 0, 1},

 	/* FCC TYPE 2 */
 	{23, 5, 4347, 6666, 0,  4, 11,  0,  7, 22,  0, 3,  0, 5, 0, 2},

 	/* FCC TYPE 3 */
 	{18, 10, 2000, 5000, 0,  4,  8,  6, 13, 22,  0, 3, 0, 5, 0, 5},

 	/* FCC TYPE 4 */
 	{16, 15, 2000, 5000, 0,  4,  7, 11, 23, 22,  0, 3, 0, 5, 0, 11},
 };

 /**
  * struct dfs_pulse dfs_mkkn_radars - MKKN radar table for Offload chipsets.
  */
 static struct dfs_pulse dfs_mkkn_radars[] = {
 	/** Since the table is empty  no new radar type shall be detected.
 	 * New filters shall be added to this tables after proper testing
 	 * and verification.
 	 */
 };

 /**
  * struct dfs_bin5pulse dfs_fcc_bin5pulses - FCC BIN5 pulses for Offload
  *                                           chipsets.
  */
 static struct dfs_bin5pulse dfs_fcc_bin5pulses[] = {
 	{6, 28, 105, 12, 18, 5},
 };

 /**
  * struct dfs_bin5pulse dfs_jpn_bin5pulses - JAPAN BIN5 pulses for Offload
  *                                           chipsets.
  */
 static struct dfs_bin5pulse dfs_jpn_bin5pulses[] = {
 	{5, 28, 105, 12, 22, 5},
 };

 /**
  * dfs_bin5pulse dfs_fcc_bin5pulses_ar900b - FCC BIN5 pulses for AR9300
  *                                           chipsets.
  *
  * WAR : IR 42631
  * Beeliner 2 is tested at -65dbm as opposed to -62 dbm.
  * For FCC/JPN chirping pulses, HW reports RSSI value that is lower by 2dbm
  * when we enable noise floor claibration. This is specially true for
  * frequencies that are greater than center frequency and in VHT80 mode.
  */

 static struct dfs_bin5pulse dfs_fcc_bin5pulses_ar900b[] = {
 	{5, 28, 105, 12, 20, 5},
 };

 /**
  * dfs_bin5pulse dfs_jpn_bin5pulses_ar900b - JAPAN BIN5 pulses for AR9300
  *                                           chipsets.
  */
 static struct dfs_bin5pulse dfs_jpn_bin5pulses_ar900b[] = {
 	{5, 28, 105, 12, 20, 5},
 };

 /**
  * dfs_bin5pulse dfs_fcc_bin5pulses_qca9984 - FCC BIN5 pulses for QCA9984
  *                                            chipsets.
  * WAR : IR-83400
  * Cascade is tested at -65dbm as opposed to -62 dbm.
  * For FCC/JPN chirping pulses, HW reports RSSI value that is significantly
  * lower at left edge especially in HT80_80 mode. Also, duration may be
  * significantly low. This can result in false detection and we may have to
  * raise the threshold.
  */
 static struct dfs_bin5pulse dfs_fcc_bin5pulses_qca9984[] = {
 	{5, 20, 105, 12, 20, 0},
 };

 /**
  * dfs_bin5pulse dfs_jpn_bin5pulses_qca9984 - JAPAN BIN5 pulses for QCA9984
  *                                            chipsets.
  */
 static struct dfs_bin5pulse dfs_jpn_bin5pulses_qca9984[] = {
 	{5, 20, 105, 12, 20, 0},
 };

 /**
  * dfs_pulse dfs_etsi_radars - ETSI radar table.
  */
 static struct dfs_pulse dfs_etsi_radars[] = {

 	/* EN 302 502 frequency hopping pulse */
 	/* PRF 3000, 1us duration, 9 pulses per burst */
 	{9,   1, 3000, 3000, 1,  4,  5,  0,  1, 18,  0, 0, 1,  1000, 0, 40},
 	/* PRF 4500, 20us duration, 9 pulses per burst */
 	{9,  20, 4500, 4500, 1,  4,  5, 19, 21, 18,  0, 0, 1,  1000, 0, 41},

 	/* Type 3 */
 	/* 10 15us, 200-1000 PRF, 15 pulses */
 	{15, 15, 200, 1000, 0, 4, 5, 8, 18, 22, 0, 0, 0, 5, 0, 42},

 	/* Type 4 */
 	/* 1-15us, 1200-1600 PRF, 15 pulses */
 	{15, 15, 1200, 1600, 0, 4, 5, 0, 18, 22, 0, 0, 0, 5, 0, 43},

 	/* TYPE staggered pulse */
 	/* Type 5*/
 	/* 0.8-2us, 2-3 bursts,300-400 PRF, 10 pulses each */
 	{30,  2,  300,  400, 2, 30,  3,  0,  5, 15, 0,   0, 1, 5, 0, 31},
 	/* Type 6 */
 	/* 0.8-2us, 2-3 bursts, 400-1200 PRF, 15 pulses each */
 	{30,  2,  400, 1200, 2, 30,  7,  0,  5, 15, 0,   0, 0, 5, 0, 32},

 	/* constant PRF based */
 	/* Type 1 */
 	/* 0.8-5us, 200  300 PRF, 10 pulses */
 	{10, 5,   200,  400, 0,  4,  5,  0,  8, 15, 0,   0, 2, 5, 0, 33},
 	{10, 5,   400,  600, 0,  4,  5,  0,  8, 15, 0,   0, 2, 5, 0, 37},
 	{10, 5,   600,  800, 0,  4,  5,  0,  8, 15, 0,   0, 2, 5, 0, 38},
 	{10, 5,   800, 1000, 0,  4,  5,  0,  8, 15, 0,   0, 2, 5, 0, 39},
 	/* {10, 5,   200, 1000, 0,  6,  5,  0,  8, 15, 0,   0, 2, 5, 33}, */

 	/* Type 2 */
 	/* 0.8-15us, 200-1600 PRF, 15 pulses */
 	{15, 15,  200, 1600, 0,  4, 8,  0, 18, 24, 0,   0, 0, 5, 0, 34},

 	/* Type 3 */
 	/* 0.8-15us, 2300-4000 PRF, 25 pulses*/
 	{25, 15, 2300, 4000, 0,  4, 10, 0, 18, 24, 0,   0, 0, 5, 0, 35},

 	/* Type 4 */
 	/* 20-30us, 2000-4000 PRF, 20 pulses*/
 	{20, 30, 2000, 4000, 0,  4, 6, 19, 33, 24, 0,   0, 0, 24,  1, 36},
 };

 /**
  * dfs_pulse dfs_china_radars - CHINA radar table.
  */
 static struct dfs_pulse dfs_china_radars[] = {

 	/* TYPE staggered pulse */
 	/* Type 5*/
 	/* 0.8-2us, 2-3 bursts,300-400 PRF, 12 pulses each */
 	{36,  2,  300,  400, 2, 30,  3,  0,  5, 15, 0,   0, 1, 0, 0, 51},
 	/* Type 6 */
 	/* 0.8-2us, 2-3 bursts, 400-1200 PRF, 16 pulses each */
 	{48,  2,  400, 1200, 2, 30,  7,  0,  5, 15, 0,   0, 0, 0, 0, 52},

 	/* constant PRF based */
 	/* Type 1 */
 	/* 0.5-5us, 200  1000 PRF, 12 pulses */
 	{12, 5,   200,  400, 0, 24,  5,  0,  8, 15, 0,   0, 2, 0, 0, 53},
 	{12, 5,   400,  600, 0, 24,  5,  0,  8, 15, 0,   0, 2, 0, 0, 57},
 	{12, 5,   600,  800, 0, 24,  5,  0,  8, 15, 0,   0, 2, 0, 0, 58},
 	{12, 5,   800, 1000, 0, 24,  5,  0,  8, 15, 0,   0, 2, 0, 0, 59},

 	/* Type 2 */
 	/* 0.5-15us, 200-1600 PRF, 16 pulses */
 	{16, 15,  200, 1600, 0, 24, 8,  0, 18, 24, 0,   0, 0, 0, 0, 54},

 	/* Type 3 */
 	/* 0.5-30us, 2300-4000 PRF, 24 pulses*/
 	{24, 15, 2300, 4000,  0, 24, 10, 0, 33, 24, 0,   0, 0, 0, 0, 55},

 	/* Type 4 */
 	/* 20-30us, 2000-4000 PRF, 20 pulses*/
 	{20, 30, 2000, 4000, 0, 24, 6, 19, 33, 24, 0,   0, 0, 0, 0, 56},

 	/* 1us, 1000 PRF, 20 pulses */
 	/* 1000 us PRI */
 	{20,  1, 1000, 1000, 0,  6,  6,  0,  1, 18,  0, 3, 0, 0, 0, 50},
 };

 /**
  * dfs_pulse dfs_korea_radars - KOREA radar table.
  */
 static struct dfs_pulse dfs_korea_radars[] = {
 	/* Korea Type 1 */
 	{18,  1,  700, 700,  0, 4,  5,  0,  1, 18,  0, 3,  1, 5, 0, 40},

 	/* Korea Type 2 */
 	{10,  1, 1800, 1800, 0, 4,  4,  0,  1, 18,  0, 3,  1, 5, 0, 41},

 	/* Korea Type 3 */
 	{70,  1,  330, 330,  0, 4, 20,  0,  3, 18,  0, 3,  1, 5, 0, 42},

 	/* Korea Type 4 */
 	{3,   1, 3003, 3003, 1, 7,  2,  0,  1, 18,  0, 0, 1,  1000, 0, 43},
 };

 #define RSSI_THERSH_AR900B    15
 #define RSSI_THERSH_ADRASTEA  18

 /**
  * dfs_assign_fcc_pulse_table() - Assign FCC pulse table
  * @rinfo: Pointer to wlan_dfs_radar_tab_info structure.
  * @target_type: Target type.
  * @tx_ops: target tx ops.
  */
 static inline void dfs_assign_fcc_pulse_table(
 		struct wlan_dfs_radar_tab_info *rinfo,
 		uint32_t target_type,
 		struct wlan_lmac_if_target_tx_ops *tx_ops)
 {
 	rinfo->dfs_radars = dfs_fcc_radars;
 	rinfo->numradars = QDF_ARRAY_SIZE(dfs_fcc_radars);

 	if (tx_ops->tgt_is_tgt_type_ar900b(target_type) ||
 			tx_ops->tgt_is_tgt_type_ipq4019(target_type)) {
 		rinfo->b5pulses = dfs_fcc_bin5pulses_ar900b;
 		rinfo->numb5radars = QDF_ARRAY_SIZE(dfs_fcc_bin5pulses_ar900b);
 	} else if (tx_ops->tgt_is_tgt_type_qca9984(target_type) ||
 			tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
 		rinfo->b5pulses = dfs_fcc_bin5pulses_qca9984;
 		rinfo->numb5radars =
 			QDF_ARRAY_SIZE(dfs_fcc_bin5pulses_qca9984);
 	} else {
 		rinfo->b5pulses = dfs_fcc_bin5pulses;
 		rinfo->numb5radars = QDF_ARRAY_SIZE(dfs_fcc_bin5pulses);
 	}
 }

 #ifdef DFS_OVERRIDE_RF_THRESHOLD
 static void dfs_set_adrastea_rf_thrshold(
 		struct wlan_objmgr_psoc *psoc,
 		int dfsdomain,
 		uint32_t target_type,
 		struct wlan_dfs_radar_tab_info *rinfo)
 {
 	int i;
 	struct wlan_lmac_if_target_tx_ops *tx_ops;

 	tx_ops = &psoc->soc_cb.tx_ops.target_tx_ops;

 	if (tx_ops->tgt_is_tgt_type_adrastea(target_type) &&
 	    dfsdomain == DFS_ETSI_DOMAIN) {
 		for (i = 0; i < rinfo->numradars; i++) {
 			rinfo->dfs_radars[i].rp_rssithresh =
 				DFS_MIN(rinfo->dfs_radars[i].rp_rssithresh,
 					RSSI_THERSH_ADRASTEA);
 		}
 	}
 }
 #else
 static inline void dfs_set_adrastea_rf_thrshold(
 		struct wlan_objmgr_psoc *psoc,
 		int dfsdomain,
 		uint32_t target_type,
 		struct wlan_dfs_radar_tab_info *rinfo)
 {
 }
 #endif

 void dfs_get_po_radars(struct wlan_dfs *dfs)
 {
 	struct wlan_dfs_radar_tab_info rinfo;
 	struct wlan_objmgr_psoc *psoc;
 	struct wlan_lmac_if_target_tx_ops *tx_ops;
 	int i;
 	uint32_t target_type;
 	int dfsdomain = DFS_FCC_DOMAIN;

 	/* Fetch current radar patterns from the lmac */
 	qdf_mem_zero(&rinfo, sizeof(rinfo));

 	/*
 	 * Look up the current DFS regulatory domain and decide
 	 * which radar pulses to use.
 	 */
 	dfsdomain = utils_get_dfsdomain(dfs->dfs_pdev_obj);
 	target_type = lmac_get_target_type(dfs->dfs_pdev_obj);

 	psoc = wlan_pdev_get_psoc(dfs->dfs_pdev_obj);
 	if (!psoc) {
 		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "psoc is NULL");
 		return;
 	}

 	tx_ops = &(psoc->soc_cb.tx_ops.target_tx_ops);
 	switch (dfsdomain) {
 	case DFS_FCC_DOMAIN:
 		dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS, "FCC domain");
 		rinfo.dfsdomain = DFS_FCC_DOMAIN;
 		dfs_assign_fcc_pulse_table(&rinfo, target_type, tx_ops);
 		break;
 	case DFS_CN_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 				"FCC domain -- Country China(156) override FCC radar pattern"
 				);
 		rinfo.dfsdomain = DFS_FCC_DOMAIN;
 		/*
 		 * China uses a radar pattern that is similar to ETSI but it
 		 * follows FCC in all other respect like transmit power, CCA
 		 * threshold etc.
 		 */
 		rinfo.dfs_radars = dfs_china_radars;
 		rinfo.numradars = QDF_ARRAY_SIZE(dfs_china_radars);
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
 	case DFS_ETSI_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "ETSI domain");
 		rinfo.dfsdomain = DFS_ETSI_DOMAIN;

 		if (dfs_is_en302_502_applicable(dfs)) {
 			rinfo.dfs_radars = dfs_etsi_radars;
 			rinfo.numradars = QDF_ARRAY_SIZE(dfs_etsi_radars);
 		} else {
 			uint8_t offset = ETSI_LEGACY_PULSE_ARR_OFFSET;

 			rinfo.dfs_radars = &dfs_etsi_radars[offset];
 			rinfo.numradars =
 				QDF_ARRAY_SIZE(dfs_etsi_radars) - offset;
 		}
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
 	case DFS_KR_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 				"ETSI domain -- Korea(412)");
 		rinfo.dfsdomain = DFS_ETSI_DOMAIN;

 		/*
 		 * So far we have treated Korea as part of ETSI and did not
 		 * support any radar patters specific to Korea other than
 		 * standard ETSI radar patterns. Ideally we would want to
 		 * treat Korea as a different domain. This is something that
 		 * we will address in the future. However, for now override
 		 * ETSI tables for Korea.
 		 */
 		rinfo.dfs_radars = dfs_korea_radars;
 		rinfo.numradars = QDF_ARRAY_SIZE(dfs_korea_radars);
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
 	case DFS_MKKN_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKKN domain");
 		rinfo.dfsdomain = DFS_MKKN_DOMAIN;
 		rinfo.dfs_radars = dfs_mkkn_radars;
 		rinfo.numradars = QDF_ARRAY_SIZE(dfs_mkkn_radars);
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
 	case DFS_MKK4_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKK4 domain");
 		rinfo.dfsdomain = DFS_MKK4_DOMAIN;
 		rinfo.dfs_radars = dfs_mkk4_radars;
 		rinfo.numradars = QDF_ARRAY_SIZE(dfs_mkk4_radars);

 		if (tx_ops->tgt_is_tgt_type_ar900b(target_type) ||
 				tx_ops->tgt_is_tgt_type_ipq4019(target_type)) {
 			rinfo.b5pulses = dfs_jpn_bin5pulses_ar900b;
 			rinfo.numb5radars = QDF_ARRAY_SIZE(
 					dfs_jpn_bin5pulses_ar900b);
 		} else if (tx_ops->tgt_is_tgt_type_qca9984(target_type) ||
 				tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
 			rinfo.b5pulses = dfs_jpn_bin5pulses_qca9984;
 			rinfo.numb5radars = QDF_ARRAY_SIZE
 				(dfs_jpn_bin5pulses_qca9984);
 		} else {
 			rinfo.b5pulses = dfs_jpn_bin5pulses;
 			rinfo.numb5radars = QDF_ARRAY_SIZE(
 					dfs_jpn_bin5pulses);
 		}
 		break;
 	default:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "UNINIT domain");
 		rinfo.dfsdomain = DFS_UNINIT_DOMAIN;
 		rinfo.dfs_radars = NULL;
 		rinfo.numradars = 0;
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
 	}

 	if (tx_ops->tgt_is_tgt_type_ar900b(target_type) ||
 			tx_ops->tgt_is_tgt_type_ipq4019(target_type) ||
 			tx_ops->tgt_is_tgt_type_qca9984(target_type) ||
 			tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
 		/* Beeliner WAR: lower RSSI threshold to improve detection of
 		 * certian radar types
 		 */
 		/* Cascade WAR:
 		 * Cascade can report lower RSSI near the channel boundary then
 		 * expected. It can also report significantly low RSSI at center
 		 * (as low as 16) at center. So we are lowering threshold for
 		 * all types of radar for * Cascade.
 		 * This may increase the possibility of false radar detection.
 		 * IR -- 083703, 083398, 083387
 		 */

 		for (i = 0; i < rinfo.numradars; i++)
 			rinfo.dfs_radars[i].rp_rssithresh = RSSI_THERSH_AR900B;
 	}

 	dfs_set_adrastea_rf_thrshold(psoc, dfsdomain, target_type, &rinfo);

 	WLAN_DFS_DATA_STRUCT_LOCK(dfs);
 	dfs_init_radar_filters(dfs, &rinfo);
 	WLAN_DFS_DATA_STRUCT_UNLOCK(dfs);
 }

 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST)
 void dfs_send_avg_params_to_fw(struct wlan_dfs *dfs,
 			       struct dfs_radar_found_params *params)
 {
 	tgt_dfs_send_avg_params_to_fw(dfs->dfs_pdev_obj, params);
 }

 /**
  * dfs_no_res_from_fw_task() - The timer function that is called if there is no
  * response from fw after sending the average radar pulse parameters.
  */
 static os_timer_func(dfs_no_res_from_fw_task)
 {
 	struct wlan_dfs *dfs = NULL;

 	OS_GET_TIMER_ARG(dfs, struct wlan_dfs *);

 	if (!dfs) {
 		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is NULL");
 		return;
 	}

 	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "Host wait timer expired");

 	dfs->dfs_is_host_wait_running = 0;
 	dfs->dfs_no_res_from_fw = 1;
 	dfs_radarfound_action_generic(dfs, dfs->dfs_seg_id);
 	dfs->dfs_seg_id = 0;
 }

 void dfs_host_wait_timer_init(struct wlan_dfs *dfs)
 {
 	qdf_timer_init(NULL,
 		       &(dfs->dfs_host_wait_timer),
 			dfs_no_res_from_fw_task,
 			(void *)(dfs),
 			QDF_TIMER_TYPE_WAKE_APPS);
 	dfs->dfs_status_timeout_override = -1;
 }

 QDF_STATUS dfs_set_override_status_timeout(struct wlan_dfs *dfs,
 				       int status_timeout)
 {
 	if (!dfs) {
 		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is NULL");
 		return QDF_STATUS_E_FAILURE;
 	}

 	dfs->dfs_status_timeout_override = status_timeout;

 	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 		 "Host wait status timeout is now %s : %d",
 		(status_timeout == -1) ? "default" : "overridden",
 		status_timeout);

 	return QDF_STATUS_SUCCESS;
 }

 QDF_STATUS dfs_get_override_status_timeout(struct wlan_dfs *dfs,
 					   int *status_timeout)
 {
 	if (!dfs) {
 		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "dfs is NULL");
 		return QDF_STATUS_E_FAILURE;
 	}

 	*status_timeout = dfs->dfs_status_timeout_override;

 	return QDF_STATUS_SUCCESS;
 }

 /**
  * dfs_extract_radar_found_params() - Copy the contents of average radar
  * parameters to dfs_radar_found_params parameter structure.
  *
  * @dfs: Pointer to wlan_dfs structure which contains the average radar
  * parameters.
  * @params: Pointer to dfs_radar_found_params structure.
  */
 static
 void dfs_extract_radar_found_params(struct wlan_dfs *dfs,
 				    struct dfs_radar_found_params *params)
 {
 	qdf_mem_zero(params, sizeof(*params));
 	params->pri_min = dfs->dfs_average_pri;
 	params->pri_max = dfs->dfs_average_pri;
 	params->duration_min = dfs->dfs_average_duration;
 	params->duration_max = dfs->dfs_average_duration;
 	params->sidx_min = dfs->dfs_average_sidx;
 	params->sidx_max = dfs->dfs_average_sidx;

 	/* Bangradar will not populate any of these average
 	 * parameters as pulse is not received. If these variables
 	 * are not resetted here, these go as radar_found params
 	 * for bangradar if bangradar is issued after real radar.
 	 */
 	dfs->dfs_average_sidx = 0;
 	dfs->dfs_average_duration = 0;
 	dfs->dfs_average_pri = 0;
 }

 void dfs_radarfound_action_fcc(struct wlan_dfs *dfs, uint8_t seg_id)
 {
 	struct dfs_radar_found_params params;

 	qdf_mem_copy(&dfs->dfs_radar_found_chan, dfs->dfs_curchan,
 		     sizeof(dfs->dfs_radar_found_chan));
 	dfs_extract_radar_found_params(dfs, &params);
 	dfs_send_avg_params_to_fw(dfs, &params);
 	dfs->dfs_is_host_wait_running = 1;
 	dfs->dfs_seg_id = seg_id;
 	qdf_timer_mod(&dfs->dfs_host_wait_timer,
 		      (dfs->dfs_status_timeout_override ==
 		       -1) ? HOST_DFS_STATUS_WAIT_TIMER_MS :
 		      dfs->dfs_status_timeout_override);
 }

 void dfs_host_wait_timer_reset(struct wlan_dfs *dfs)
 {
 	dfs->dfs_is_host_wait_running = 0;
 	qdf_timer_sync_cancel(&dfs->dfs_host_wait_timer);
 }

 /**
  * dfs_action_on_spoof_success() - DFS action on spoof test pass
  * @dfs: Pointer to DFS object
  */
 static void dfs_action_on_spoof_success(struct wlan_dfs *dfs)
 {
 	dfs->dfs_spoof_test_done = 1;
 	if (dfs->dfs_radar_found_chan.dfs_ch_freq ==
 			dfs->dfs_curchan->dfs_ch_freq) {
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 			 "cac timer started for channel %d",
 			 dfs->dfs_curchan->dfs_ch_ieee);
 		dfs_start_cac_timer(dfs);
 	} else{
 		dfs_remove_spoof_channel_from_nol(dfs);
 	}
 }

 void dfs_action_on_fw_radar_status_check(struct wlan_dfs *dfs,
 					 uint32_t *status)
 {
 	struct wlan_objmgr_pdev *dfs_pdev;
 	int no_chans_avail = 0;
 	int error_flag = 0;

 	dfs_host_wait_timer_reset(dfs);
 	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "Host DFS status = %d",
 		 *status);

 	dfs_pdev = dfs->dfs_pdev_obj;
 	if (!dfs_pdev) {
 		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_pdev_obj is NULL");
 		return;
 	}

 	switch (*status) {
 	case HOST_DFS_STATUS_CHECK_PASSED:
 		if (dfs->dfs_average_params_sent)
 			dfs_action_on_spoof_success(dfs);
 		else
 			error_flag = 1;
 		break;
 	case HOST_DFS_STATUS_CHECK_FAILED:
 		dfs->dfs_spoof_check_failed = 1;
 		no_chans_avail =
 		    dfs_mlme_rebuild_chan_list_with_non_dfs_channels(dfs_pdev);
 		dfs_mlme_restart_vaps_with_non_dfs_chan(dfs_pdev,
 							no_chans_avail);
 		break;
 	case HOST_DFS_STATUS_CHECK_HW_RADAR:
 		if (dfs->dfs_average_params_sent) {
 			if (dfs->dfs_radar_found_chan.dfs_ch_freq ==
 			    dfs->dfs_curchan->dfs_ch_freq) {
 				dfs_radarfound_action_generic(
 						dfs,
 						dfs->dfs_seg_id);
 			} else {
 				/* Else of this case, no action is needed as
 				 * dfs_action would have been done at timer
 				 * expiry itself.
 				 */
 				dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 					 "DFS Action already taken");
 			}
 		} else {
 			error_flag = 1;
 		}
 		break;
 	default:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 			 "Status event mismatch:%d, Ignoring it",
 			 *status);
 	}

 	dfs->dfs_average_params_sent = 0;
 	qdf_mem_zero(&dfs->dfs_radar_found_chan, sizeof(struct dfs_channel));

 	if (error_flag == 1) {
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
 			 "Received imroper response %d. Discarding it",
 			 *status);
 	}
 }

 void dfs_reset_spoof_test(struct wlan_dfs *dfs)
 {
 	dfs->dfs_spoof_test_done = 0;
 	dfs->dfs_spoof_check_failed = 0;
 }
 #endif
	/*
	* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
	* Copyright (c) 2011, Atheros Communications 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.
	*/

	/**
	* DOC: This file has radar table and initialization function for Beeliner
	* family of chipsets.
	*/

	#include "../dfs.h"
	#include "wlan_dfs_mlme_api.h"
	#include <wlan_objmgr_vdev_obj.h>
	#include "wlan_dfs_utils_api.h"
	#include "wlan_dfs_lmac_api.h"
	#include "../dfs_internal.h"
	#include "../dfs_partial_offload_radar.h"
	#if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST)
	#include "../dfs_process_radar_found_ind.h"
	#endif

	/**
	* struct dfs_pulse dfs_fcc_radars - FCC radar table for Offload chipsets.
	*/
	static struct dfs_pulse dfs_fcc_radars[] = {
	/* FCC TYPE 1 */
	{18, 1, 700, 700, 0, 4, 5, 0, 1, 18, 0, 3, 1, 5, 0, 0},
	{18, 1, 350, 350, 0, 4, 5, 0, 1, 18, 0, 3, 0, 5, 0, 0},

	/* FCC TYPE 6 */
	{9, 1, 3003, 3003, 1, 7, 5, 0, 1, 18, 0, 0, 1, 1000, 0, 1},

	/* FCC TYPE 2 */
	{23, 5, 4347, 6666, 0, 4, 11, 0, 7, 22, 0, 3, 0, 5, 0, 2},

	/* FCC TYPE 3 */
	{18, 10, 2000, 5000, 0, 4, 8, 6, 13, 22, 0, 3, 0, 5, 0, 5},

	/* FCC TYPE 4 */
	{16, 15, 2000, 5000, 0, 4, 7, 11, 23, 22, 0, 3, 0, 5, 0, 11},

	/* FCC NEW TYPE 1 */
	/* 518us to 938us pulses (min 56 pulses) */
	{57, 1, 1066, 1930, 0, 4, 20, 0, 1, 22, 0, 3, 0, 5, 0, 21},

	/* 938us to 2000 pulses (min 26 pulses) */
	{27, 1, 500, 1066, 0, 4, 13, 0, 1, 22, 0, 3, 0, 5, 0, 22},

	/* 2000 to 3067us pulses (min 17 pulses) */
	{18, 1, 325, 500, 0, 4, 9, 0, 1, 22, 0, 3, 0, 5, 0, 23},
	};

	/**
	* struct dfs_pulse dfs_mkk4_radars - MKK4 radar table for Offload chipsets.
	*/
	static struct dfs_pulse dfs_mkk4_radars[] = {

	/* following two filters are specific to Japan/MKK4 */
	/* 1389 +/- 6 us */
	{18, 1, 720, 720, 0, 4, 6, 0, 1, 18, 0, 3, 0, 5, 0, 17},

	/* 4000 +/- 6 us */
	{18, 4, 250, 250, 0, 4, 5, 1, 6, 18, 0, 3, 0, 5, 0, 18},

	/* 3846 +/- 7 us */
	{18, 5, 260, 260, 0, 4, 6, 1, 6, 18, 0, 3, 1, 5, 0, 19},

	/* following filters are common to both FCC and JAPAN */

	/* FCC TYPE 1 */
	{18, 1, 700, 700, 0, 4, 5, 0, 1, 18, 0, 3, 1, 5, 0, 0},
	{18, 1, 350, 350, 0, 4, 5, 0, 1, 18, 0, 3, 0, 5, 0, 0},

	/* FCC TYPE 6 */
	{9, 1, 3003, 3003, 1, 7, 5, 0, 1, 18, 0, 0, 1, 1000, 0, 1},

	/* FCC TYPE 2 */
	{23, 5, 4347, 6666, 0, 4, 11, 0, 7, 22, 0, 3, 0, 5, 0, 2},

	/* FCC TYPE 3 */
	{18, 10, 2000, 5000, 0, 4, 8, 6, 13, 22, 0, 3, 0, 5, 0, 5},

	/* FCC TYPE 4 */
	{16, 15, 2000, 5000, 0, 4, 7, 11, 23, 22, 0, 3, 0, 5, 0, 11},
	};

	/**
	* struct dfs_pulse dfs_mkkn_radars - MKKN radar table for Offload chipsets.
	*/
	static struct dfs_pulse dfs_mkkn_radars[] = {
	/** Since the table is empty no new radar type shall be detected.
	* New filters shall be added to this tables after proper testing
	* and verification.
	*/
	};

	/**
	* struct dfs_bin5pulse dfs_fcc_bin5pulses - FCC BIN5 pulses for Offload
	* chipsets.
	*/
	static struct dfs_bin5pulse dfs_fcc_bin5pulses[] = {
	{6, 28, 105, 12, 18, 5},
	};

	/**
	* struct dfs_bin5pulse dfs_jpn_bin5pulses - JAPAN BIN5 pulses for Offload
	* chipsets.
	*/
	static struct dfs_bin5pulse dfs_jpn_bin5pulses[] = {
	{5, 28, 105, 12, 22, 5},
	};

	/**
	* dfs_bin5pulse dfs_fcc_bin5pulses_ar900b - FCC BIN5 pulses for AR9300
	* chipsets.
	*
	* WAR : IR 42631
	* Beeliner 2 is tested at -65dbm as opposed to -62 dbm.
	* For FCC/JPN chirping pulses, HW reports RSSI value that is lower by 2dbm
	* when we enable noise floor claibration. This is specially true for
	* frequencies that are greater than center frequency and in VHT80 mode.
	*/

	static struct dfs_bin5pulse dfs_fcc_bin5pulses_ar900b[] = {
	{5, 28, 105, 12, 20, 5},
	};

	/**
	* dfs_bin5pulse dfs_jpn_bin5pulses_ar900b - JAPAN BIN5 pulses for AR9300
	* chipsets.
	*/
	static struct dfs_bin5pulse dfs_jpn_bin5pulses_ar900b[] = {
	{5, 28, 105, 12, 20, 5},
	};

	/**
	* dfs_bin5pulse dfs_fcc_bin5pulses_qca9984 - FCC BIN5 pulses for QCA9984
	* chipsets.
	* WAR : IR-83400
	* Cascade is tested at -65dbm as opposed to -62 dbm.
	* For FCC/JPN chirping pulses, HW reports RSSI value that is significantly
	* lower at left edge especially in HT80_80 mode. Also, duration may be
	* significantly low. This can result in false detection and we may have to
	* raise the threshold.
	*/
	static struct dfs_bin5pulse dfs_fcc_bin5pulses_qca9984[] = {
	{5, 20, 105, 12, 20, 0},
	};

	/**
	* dfs_bin5pulse dfs_jpn_bin5pulses_qca9984 - JAPAN BIN5 pulses for QCA9984
	* chipsets.
	*/
	static struct dfs_bin5pulse dfs_jpn_bin5pulses_qca9984[] = {
	{5, 20, 105, 12, 20, 0},
	};

	/**
	* dfs_pulse dfs_etsi_radars - ETSI radar table.
	*/
	static struct dfs_pulse dfs_etsi_radars[] = {

	/* EN 302 502 frequency hopping pulse */
	/* PRF 3000, 1us duration, 9 pulses per burst */
	{9, 1, 3000, 3000, 1, 4, 5, 0, 1, 18, 0, 0, 1, 1000, 0, 40},
	/* PRF 4500, 20us duration, 9 pulses per burst */
	{9, 20, 4500, 4500, 1, 4, 5, 19, 21, 18, 0, 0, 1, 1000, 0, 41},

	/* Type 3 */
	/* 10 15us, 200-1000 PRF, 15 pulses */
	{15, 15, 200, 1000, 0, 4, 5, 8, 18, 22, 0, 0, 0, 5, 0, 42},

	/* Type 4 */
	/* 1-15us, 1200-1600 PRF, 15 pulses */
	{15, 15, 1200, 1600, 0, 4, 5, 0, 18, 22, 0, 0, 0, 5, 0, 43},

	/* TYPE staggered pulse */
	/* Type 5*/
	/* 0.8-2us, 2-3 bursts,300-400 PRF, 10 pulses each */
	{30, 2, 300, 400, 2, 30, 3, 0, 5, 15, 0, 0, 1, 5, 0, 31},
	/* Type 6 */
	/* 0.8-2us, 2-3 bursts, 400-1200 PRF, 15 pulses each */
	{30, 2, 400, 1200, 2, 30, 7, 0, 5, 15, 0, 0, 0, 5, 0, 32},

	/* constant PRF based */
	/* Type 1 */
	/* 0.8-5us, 200 300 PRF, 10 pulses */
	{10, 5, 200, 400, 0, 4, 5, 0, 8, 15, 0, 0, 2, 5, 0, 33},
	{10, 5, 400, 600, 0, 4, 5, 0, 8, 15, 0, 0, 2, 5, 0, 37},
	{10, 5, 600, 800, 0, 4, 5, 0, 8, 15, 0, 0, 2, 5, 0, 38},
	{10, 5, 800, 1000, 0, 4, 5, 0, 8, 15, 0, 0, 2, 5, 0, 39},
	/* {10, 5, 200, 1000, 0, 6, 5, 0, 8, 15, 0, 0, 2, 5, 33}, */

	/* Type 2 */
	/* 0.8-15us, 200-1600 PRF, 15 pulses */
	{15, 15, 200, 1600, 0, 4, 8, 0, 18, 24, 0, 0, 0, 5, 0, 34},

	/* Type 3 */
	/* 0.8-15us, 2300-4000 PRF, 25 pulses*/
	{25, 15, 2300, 4000, 0, 4, 10, 0, 18, 24, 0, 0, 0, 5, 0, 35},

	/* Type 4 */
	/* 20-30us, 2000-4000 PRF, 20 pulses*/
	{20, 30, 2000, 4000, 0, 4, 6, 19, 33, 24, 0, 0, 0, 24, 1, 36},
	};

	/**
	* dfs_pulse dfs_china_radars - CHINA radar table.
	*/
	static struct dfs_pulse dfs_china_radars[] = {

	/* TYPE staggered pulse */
	/* Type 5*/
	/* 0.8-2us, 2-3 bursts,300-400 PRF, 12 pulses each */
	{36, 2, 300, 400, 2, 30, 3, 0, 5, 15, 0, 0, 1, 0, 0, 51},
	/* Type 6 */
	/* 0.8-2us, 2-3 bursts, 400-1200 PRF, 16 pulses each */
	{48, 2, 400, 1200, 2, 30, 7, 0, 5, 15, 0, 0, 0, 0, 0, 52},

	/* constant PRF based */
	/* Type 1 */
	/* 0.5-5us, 200 1000 PRF, 12 pulses */
	{12, 5, 200, 400, 0, 24, 5, 0, 8, 15, 0, 0, 2, 0, 0, 53},
	{12, 5, 400, 600, 0, 24, 5, 0, 8, 15, 0, 0, 2, 0, 0, 57},
	{12, 5, 600, 800, 0, 24, 5, 0, 8, 15, 0, 0, 2, 0, 0, 58},
	{12, 5, 800, 1000, 0, 24, 5, 0, 8, 15, 0, 0, 2, 0, 0, 59},

	/* Type 2 */
	/* 0.5-15us, 200-1600 PRF, 16 pulses */
	{16, 15, 200, 1600, 0, 24, 8, 0, 18, 24, 0, 0, 0, 0, 0, 54},

	/* Type 3 */
	/* 0.5-30us, 2300-4000 PRF, 24 pulses*/
	{24, 15, 2300, 4000, 0, 24, 10, 0, 33, 24, 0, 0, 0, 0, 0, 55},

	/* Type 4 */
	/* 20-30us, 2000-4000 PRF, 20 pulses*/
	{20, 30, 2000, 4000, 0, 24, 6, 19, 33, 24, 0, 0, 0, 0, 0, 56},

	/* 1us, 1000 PRF, 20 pulses */
	/* 1000 us PRI */
	{20, 1, 1000, 1000, 0, 6, 6, 0, 1, 18, 0, 3, 0, 0, 0, 50},
	};

	/**
	* dfs_pulse dfs_korea_radars - KOREA radar table.
	*/
	static struct dfs_pulse dfs_korea_radars[] = {
	/* Korea Type 1 */
	{18, 1, 700, 700, 0, 4, 5, 0, 1, 18, 0, 3, 1, 5, 0, 40},

	/* Korea Type 2 */
	{10, 1, 1800, 1800, 0, 4, 4, 0, 1, 18, 0, 3, 1, 5, 0, 41},

	/* Korea Type 3 */
	{70, 1, 330, 330, 0, 4, 20, 0, 3, 18, 0, 3, 1, 5, 0, 42},

	/* Korea Type 4 */
	{3, 1, 3003, 3003, 1, 7, 2, 0, 1, 18, 0, 0, 1, 1000, 0, 43},
	};

	#define RSSI_THERSH_AR900B 15
	#define RSSI_THERSH_ADRASTEA 18

	/**
	* dfs_assign_fcc_pulse_table() - Assign FCC pulse table
	* @rinfo: Pointer to wlan_dfs_radar_tab_info structure.
	* @target_type: Target type.
	* @tx_ops: target tx ops.
	*/
	static inline void dfs_assign_fcc_pulse_table(
	struct wlan_dfs_radar_tab_info *rinfo,
	uint32_t target_type,
	struct wlan_lmac_if_target_tx_ops *tx_ops)
	{
	rinfo->dfs_radars = dfs_fcc_radars;
	rinfo->numradars = QDF_ARRAY_SIZE(dfs_fcc_radars);

	if (tx_ops->tgt_is_tgt_type_ar900b(target_type) \|\|
	tx_ops->tgt_is_tgt_type_ipq4019(target_type)) {
	rinfo->b5pulses = dfs_fcc_bin5pulses_ar900b;
	rinfo->numb5radars = QDF_ARRAY_SIZE(dfs_fcc_bin5pulses_ar900b);
	} else if (tx_ops->tgt_is_tgt_type_qca9984(target_type) \|\|
	tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
	rinfo->b5pulses = dfs_fcc_bin5pulses_qca9984;
	rinfo->numb5radars =
	QDF_ARRAY_SIZE(dfs_fcc_bin5pulses_qca9984);
	} else {
	rinfo->b5pulses = dfs_fcc_bin5pulses;
	rinfo->numb5radars = QDF_ARRAY_SIZE(dfs_fcc_bin5pulses);
	}
	}

	#ifdef DFS_OVERRIDE_RF_THRESHOLD
	static void dfs_set_adrastea_rf_thrshold(
	struct wlan_objmgr_psoc *psoc,
	int dfsdomain,
	uint32_t target_type,
	struct wlan_dfs_radar_tab_info *rinfo)
	{
	int i;
	struct wlan_lmac_if_target_tx_ops *tx_ops;

	tx_ops = &psoc->soc_cb.tx_ops.target_tx_ops;

	if (tx_ops->tgt_is_tgt_type_adrastea(target_type) &&
	dfsdomain == DFS_ETSI_DOMAIN) {
	for (i = 0; i < rinfo->numradars; i++) {
	rinfo->dfs_radars[i].rp_rssithresh =
	DFS_MIN(rinfo->dfs_radars[i].rp_rssithresh,
	RSSI_THERSH_ADRASTEA);
	}
	}
	}
	#else
	static inline void dfs_set_adrastea_rf_thrshold(
	struct wlan_objmgr_psoc *psoc,
	int dfsdomain,
	uint32_t target_type,
	struct wlan_dfs_radar_tab_info *rinfo)
	{
	}
	#endif

	void dfs_get_po_radars(struct wlan_dfs *dfs)
	{
	struct wlan_dfs_radar_tab_info rinfo;
	struct wlan_objmgr_psoc *psoc;
	struct wlan_lmac_if_target_tx_ops *tx_ops;
	int i;
	uint32_t target_type;
	int dfsdomain = DFS_FCC_DOMAIN;

	/* Fetch current radar patterns from the lmac */
	qdf_mem_zero(&rinfo, sizeof(rinfo));

	/*
	* Look up the current DFS regulatory domain and decide
	* which radar pulses to use.
	*/
	dfsdomain = utils_get_dfsdomain(dfs->dfs_pdev_obj);
	target_type = lmac_get_target_type(dfs->dfs_pdev_obj);

	psoc = wlan_pdev_get_psoc(dfs->dfs_pdev_obj);
	if (!psoc) {
	dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "psoc is NULL");
	return;
	}

	tx_ops = &(psoc->soc_cb.tx_ops.target_tx_ops);
	switch (dfsdomain) {
	case DFS_FCC_DOMAIN:
	dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS, "FCC domain");
	rinfo.dfsdomain = DFS_FCC_DOMAIN;
	dfs_assign_fcc_pulse_table(&rinfo, target_type, tx_ops);
	break;
	case DFS_CN_DOMAIN:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"FCC domain -- Country China(156) override FCC radar pattern"
	);
	rinfo.dfsdomain = DFS_FCC_DOMAIN;
	/*
	* China uses a radar pattern that is similar to ETSI but it
	* follows FCC in all other respect like transmit power, CCA
	* threshold etc.
	*/
	rinfo.dfs_radars = dfs_china_radars;
	rinfo.numradars = QDF_ARRAY_SIZE(dfs_china_radars);
	rinfo.b5pulses = NULL;
	rinfo.numb5radars = 0;
	break;
	case DFS_ETSI_DOMAIN:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "ETSI domain");
	rinfo.dfsdomain = DFS_ETSI_DOMAIN;

	if (dfs_is_en302_502_applicable(dfs)) {
	rinfo.dfs_radars = dfs_etsi_radars;
	rinfo.numradars = QDF_ARRAY_SIZE(dfs_etsi_radars);
	} else {
	uint8_t offset = ETSI_LEGACY_PULSE_ARR_OFFSET;

	rinfo.dfs_radars = &dfs_etsi_radars[offset];
	rinfo.numradars =
	QDF_ARRAY_SIZE(dfs_etsi_radars) - offset;
	}
	rinfo.b5pulses = NULL;
	rinfo.numb5radars = 0;
	break;
	case DFS_KR_DOMAIN:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"ETSI domain -- Korea(412)");
	rinfo.dfsdomain = DFS_ETSI_DOMAIN;

	/*
	* So far we have treated Korea as part of ETSI and did not
	* support any radar patters specific to Korea other than
	* standard ETSI radar patterns. Ideally we would want to
	* treat Korea as a different domain. This is something that
	* we will address in the future. However, for now override
	* ETSI tables for Korea.
	*/
	rinfo.dfs_radars = dfs_korea_radars;
	rinfo.numradars = QDF_ARRAY_SIZE(dfs_korea_radars);
	rinfo.b5pulses = NULL;
	rinfo.numb5radars = 0;
	break;
	case DFS_MKKN_DOMAIN:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKKN domain");
	rinfo.dfsdomain = DFS_MKKN_DOMAIN;
	rinfo.dfs_radars = dfs_mkkn_radars;
	rinfo.numradars = QDF_ARRAY_SIZE(dfs_mkkn_radars);
	rinfo.b5pulses = NULL;
	rinfo.numb5radars = 0;
	break;
	case DFS_MKK4_DOMAIN:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKK4 domain");
	rinfo.dfsdomain = DFS_MKK4_DOMAIN;
	rinfo.dfs_radars = dfs_mkk4_radars;
	rinfo.numradars = QDF_ARRAY_SIZE(dfs_mkk4_radars);

	if (tx_ops->tgt_is_tgt_type_ar900b(target_type) \|\|
	tx_ops->tgt_is_tgt_type_ipq4019(target_type)) {
	rinfo.b5pulses = dfs_jpn_bin5pulses_ar900b;
	rinfo.numb5radars = QDF_ARRAY_SIZE(
	dfs_jpn_bin5pulses_ar900b);
	} else if (tx_ops->tgt_is_tgt_type_qca9984(target_type) \|\|
	tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
	rinfo.b5pulses = dfs_jpn_bin5pulses_qca9984;
	rinfo.numb5radars = QDF_ARRAY_SIZE
	(dfs_jpn_bin5pulses_qca9984);
	} else {
	rinfo.b5pulses = dfs_jpn_bin5pulses;
	rinfo.numb5radars = QDF_ARRAY_SIZE(
	dfs_jpn_bin5pulses);
	}
	break;
	default:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "UNINIT domain");
	rinfo.dfsdomain = DFS_UNINIT_DOMAIN;
	rinfo.dfs_radars = NULL;
	rinfo.numradars = 0;
	rinfo.b5pulses = NULL;
	rinfo.numb5radars = 0;
	break;
	}

	if (tx_ops->tgt_is_tgt_type_ar900b(target_type) \|\|
	tx_ops->tgt_is_tgt_type_ipq4019(target_type) \|\|
	tx_ops->tgt_is_tgt_type_qca9984(target_type) \|\|
	tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
	/* Beeliner WAR: lower RSSI threshold to improve detection of
	* certian radar types
	*/
	/* Cascade WAR:
	* Cascade can report lower RSSI near the channel boundary then
	* expected. It can also report significantly low RSSI at center
	* (as low as 16) at center. So we are lowering threshold for
	* all types of radar for * Cascade.
	* This may increase the possibility of false radar detection.
	* IR -- 083703, 083398, 083387
	*/

	for (i = 0; i < rinfo.numradars; i++)
	rinfo.dfs_radars[i].rp_rssithresh = RSSI_THERSH_AR900B;
	}

	dfs_set_adrastea_rf_thrshold(psoc, dfsdomain, target_type, &rinfo);

	WLAN_DFS_DATA_STRUCT_LOCK(dfs);
	dfs_init_radar_filters(dfs, &rinfo);
	WLAN_DFS_DATA_STRUCT_UNLOCK(dfs);
	}

	#if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST)
	void dfs_send_avg_params_to_fw(struct wlan_dfs *dfs,
	struct dfs_radar_found_params *params)
	{
	tgt_dfs_send_avg_params_to_fw(dfs->dfs_pdev_obj, params);
	}

	/**
	* dfs_no_res_from_fw_task() - The timer function that is called if there is no
	* response from fw after sending the average radar pulse parameters.
	*/
	static os_timer_func(dfs_no_res_from_fw_task)
	{
	struct wlan_dfs *dfs = NULL;

	OS_GET_TIMER_ARG(dfs, struct wlan_dfs *);

	if (!dfs) {
	dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL");
	return;
	}

	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "Host wait timer expired");

	dfs->dfs_is_host_wait_running = 0;
	dfs->dfs_no_res_from_fw = 1;
	dfs_radarfound_action_generic(dfs, dfs->dfs_seg_id);
	dfs->dfs_seg_id = 0;
	}

	void dfs_host_wait_timer_init(struct wlan_dfs *dfs)
	{
	qdf_timer_init(NULL,
	&(dfs->dfs_host_wait_timer),
	dfs_no_res_from_fw_task,
	(void *)(dfs),
	QDF_TIMER_TYPE_WAKE_APPS);
	dfs->dfs_status_timeout_override = -1;
	}

	QDF_STATUS dfs_set_override_status_timeout(struct wlan_dfs *dfs,
	int status_timeout)
	{
	if (!dfs) {
	dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL");
	return QDF_STATUS_E_FAILURE;
	}

	dfs->dfs_status_timeout_override = status_timeout;

	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"Host wait status timeout is now %s : %d",
	(status_timeout == -1) ? "default" : "overridden",
	status_timeout);

	return QDF_STATUS_SUCCESS;
	}

	QDF_STATUS dfs_get_override_status_timeout(struct wlan_dfs *dfs,
	int *status_timeout)
	{
	if (!dfs) {
	dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL");
	return QDF_STATUS_E_FAILURE;
	}

	*status_timeout = dfs->dfs_status_timeout_override;

	return QDF_STATUS_SUCCESS;
	}

	/**
	* dfs_extract_radar_found_params() - Copy the contents of average radar
	* parameters to dfs_radar_found_params parameter structure.
	*
	* @dfs: Pointer to wlan_dfs structure which contains the average radar
	* parameters.
	* @params: Pointer to dfs_radar_found_params structure.
	*/
	static
	void dfs_extract_radar_found_params(struct wlan_dfs *dfs,
	struct dfs_radar_found_params *params)
	{
	qdf_mem_zero(params, sizeof(*params));
	params->pri_min = dfs->dfs_average_pri;
	params->pri_max = dfs->dfs_average_pri;
	params->duration_min = dfs->dfs_average_duration;
	params->duration_max = dfs->dfs_average_duration;
	params->sidx_min = dfs->dfs_average_sidx;
	params->sidx_max = dfs->dfs_average_sidx;

	/* Bangradar will not populate any of these average
	* parameters as pulse is not received. If these variables
	* are not resetted here, these go as radar_found params
	* for bangradar if bangradar is issued after real radar.
	*/
	dfs->dfs_average_sidx = 0;
	dfs->dfs_average_duration = 0;
	dfs->dfs_average_pri = 0;
	}

	void dfs_radarfound_action_fcc(struct wlan_dfs *dfs, uint8_t seg_id)
	{
	struct dfs_radar_found_params params;

	qdf_mem_copy(&dfs->dfs_radar_found_chan, dfs->dfs_curchan,
	sizeof(dfs->dfs_radar_found_chan));
	dfs_extract_radar_found_params(dfs, &params);
	dfs_send_avg_params_to_fw(dfs, &params);
	dfs->dfs_is_host_wait_running = 1;
	dfs->dfs_seg_id = seg_id;
	qdf_timer_mod(&dfs->dfs_host_wait_timer,
	(dfs->dfs_status_timeout_override ==
	-1) ? HOST_DFS_STATUS_WAIT_TIMER_MS :
	dfs->dfs_status_timeout_override);
	}

	void dfs_host_wait_timer_reset(struct wlan_dfs *dfs)
	{
	dfs->dfs_is_host_wait_running = 0;
	qdf_timer_sync_cancel(&dfs->dfs_host_wait_timer);
	}

	/**
	* dfs_action_on_spoof_success() - DFS action on spoof test pass
	* @dfs: Pointer to DFS object
	*/
	static void dfs_action_on_spoof_success(struct wlan_dfs *dfs)
	{
	dfs->dfs_spoof_test_done = 1;
	if (dfs->dfs_radar_found_chan.dfs_ch_freq ==
	dfs->dfs_curchan->dfs_ch_freq) {
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"cac timer started for channel %d",
	dfs->dfs_curchan->dfs_ch_ieee);
	dfs_start_cac_timer(dfs);
	} else{
	dfs_remove_spoof_channel_from_nol(dfs);
	}
	}

	void dfs_action_on_fw_radar_status_check(struct wlan_dfs *dfs,
	uint32_t *status)
	{
	struct wlan_objmgr_pdev *dfs_pdev;
	int no_chans_avail = 0;
	int error_flag = 0;

	dfs_host_wait_timer_reset(dfs);
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "Host DFS status = %d",
	*status);

	dfs_pdev = dfs->dfs_pdev_obj;
	if (!dfs_pdev) {
	dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_pdev_obj is NULL");
	return;
	}

	switch (*status) {
	case HOST_DFS_STATUS_CHECK_PASSED:
	if (dfs->dfs_average_params_sent)
	dfs_action_on_spoof_success(dfs);
	else
	error_flag = 1;
	break;
	case HOST_DFS_STATUS_CHECK_FAILED:
	dfs->dfs_spoof_check_failed = 1;
	no_chans_avail =
	dfs_mlme_rebuild_chan_list_with_non_dfs_channels(dfs_pdev);
	dfs_mlme_restart_vaps_with_non_dfs_chan(dfs_pdev,
	no_chans_avail);
	break;
	case HOST_DFS_STATUS_CHECK_HW_RADAR:
	if (dfs->dfs_average_params_sent) {
	if (dfs->dfs_radar_found_chan.dfs_ch_freq ==
	dfs->dfs_curchan->dfs_ch_freq) {
	dfs_radarfound_action_generic(
	dfs,
	dfs->dfs_seg_id);
	} else {
	/* Else of this case, no action is needed as
	* dfs_action would have been done at timer
	* expiry itself.
	*/
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"DFS Action already taken");
	}
	} else {
	error_flag = 1;
	}
	break;
	default:
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"Status event mismatch:%d, Ignoring it",
	*status);
	}

	dfs->dfs_average_params_sent = 0;
	qdf_mem_zero(&dfs->dfs_radar_found_chan, sizeof(struct dfs_channel));

	if (error_flag == 1) {
	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
	"Received imroper response %d. Discarding it",
	*status);
	}
	}

	void dfs_reset_spoof_test(struct wlan_dfs *dfs)
	{
	dfs->dfs_spoof_test_done = 0;
	dfs->dfs_spoof_check_failed = 0;
	}
	#endif