[PATCH 07/21] iwlwifi: mvm: add location APIs

[Luca Coelho <luca@coelho.fi>]

From: Johannes Berg <johannes.berg@intel.com>

Add the location/time-of-flight/FTM APIs that we'll use in
follow-up patches to implement FTM responder and initiator.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 .../wireless/intel/iwlwifi/fw/api/commands.h  |   3 +
 .../wireless/intel/iwlwifi/fw/api/location.h  | 691 ++++++++++++++++++
 .../net/wireless/intel/iwlwifi/mvm/fw-api.h   |   1 +
 drivers/net/wireless/intel/iwlwifi/mvm/ops.c  |  17 +
 4 files changed, 712 insertions(+)
 create mode 100644 drivers/net/wireless/intel/iwlwifi/fw/api/location.h

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
index baba7bcee5fc..0290b333d860 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
@@ -77,6 +77,8 @@
  * @DATA_PATH_GROUP: data path group, uses command IDs from
  *	&enum iwl_data_path_subcmd_ids
  * @NAN_GROUP: NAN group, uses command IDs from &enum iwl_nan_subcmd_ids
+ * @LOCATION_GROUP: location group, uses command IDs from
+ *	&enum iwl_location_subcmd_ids
  * @PROT_OFFLOAD_GROUP: protocol offload group, uses command IDs from
  *	&enum iwl_prot_offload_subcmd_ids
  * @REGULATORY_AND_NVM_GROUP: regulatory/NVM group, uses command IDs from
@@ -91,6 +93,7 @@ enum iwl_mvm_command_groups {
 	PHY_OPS_GROUP = 0x4,
 	DATA_PATH_GROUP = 0x5,
 	NAN_GROUP = 0x7,
+	LOCATION_GROUP = 0x8,
 	PROT_OFFLOAD_GROUP = 0xb,
 	REGULATORY_AND_NVM_GROUP = 0xc,
 	DEBUG_GROUP = 0xf,
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/location.h b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
new file mode 100644
index 000000000000..0df0851b9513
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
@@ -0,0 +1,691 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#ifndef __iwl_fw_api_location_h__
+#define __iwl_fw_api_location_h__
+
+/**
+ * enum iwl_location_subcmd_ids - location group command IDs
+ */
+enum iwl_location_subcmd_ids {
+	/**
+	 * @TOF_RANGE_REQ_CMD: TOF ranging request,
+	 *	uses &struct iwl_tof_range_req_cmd
+	 */
+	TOF_RANGE_REQ_CMD = 0x0,
+	/**
+	 * @TOF_CONFIG_CMD: TOF configuration, uses &struct iwl_tof_config_cmd
+	 */
+	TOF_CONFIG_CMD = 0x1,
+	/**
+	 * @TOF_RANGE_ABORT_CMD: abort ongoing ranging, uses
+	 *	&struct iwl_tof_range_abort_cmd
+	 */
+	TOF_RANGE_ABORT_CMD = 0x2,
+	/**
+	 * @TOF_RANGE_REQ_EXT_CMD: TOF extended ranging config,
+	 *	uses &struct iwl_tof_range_request_ext_cmd
+	 */
+	TOF_RANGE_REQ_EXT_CMD = 0x3,
+	/**
+	 * @TOF_RESPONDER_CONFIG_CMD: FTM responder configuration,
+	 *	uses &struct iwl_tof_responder_config_cmd
+	 */
+	TOF_RESPONDER_CONFIG_CMD = 0x4,
+	/**
+	 * @TOF_RESPONDER_DYN_CONFIG_CMD: FTM dynamic configuration,
+	 *	uses &struct iwl_tof_responder_dyn_config_cmd
+	 */
+	TOF_RESPONDER_DYN_CONFIG_CMD = 0x5,
+	/**
+	 * @TOF_LC_NOTIF: used for LCI/civic location, contains just
+	 *	the action frame
+	 */
+	TOF_LC_NOTIF = 0xFC,
+	/**
+	 * @TOF_RESPONDER_STATS: FTM responder statistics notification,
+	 *	uses &struct iwl_ftm_responder_stats
+	 */
+	TOF_RESPONDER_STATS = 0xFD,
+	/**
+	 * @TOF_MCSI_DEBUG_NOTIF: MCSI debug notification, uses
+	 *	&struct iwl_tof_mcsi_notif
+	 */
+	TOF_MCSI_DEBUG_NOTIF = 0xFE,
+	/**
+	 * @TOF_RANGE_RESPONSE_NOTIF: ranging response, using
+	 *	&struct iwl_tof_range_rsp_ntfy
+	 */
+	TOF_RANGE_RESPONSE_NOTIF = 0xFF,
+};
+
+/**
+ * struct iwl_tof_config_cmd - ToF configuration
+ * @tof_disabled: indicates if ToF is disabled (or not)
+ * @one_sided_disabled: indicates if one-sided is disabled (or not)
+ * @is_debug_mode: indiciates if debug mode is active
+ * @is_buf_required: indicates if channel estimation buffer is required
+ */
+struct iwl_tof_config_cmd {
+	u8 tof_disabled;
+	u8 one_sided_disabled;
+	u8 is_debug_mode;
+	u8 is_buf_required;
+} __packed;
+
+/**
+ * enum iwl_tof_bandwidth - values for iwl_tof_range_req_ap_entry.bandwidth
+ * @IWL_TOF_BW_20_LEGACY: 20 MHz non-HT
+ * @IWL_TOF_BW_20_HT: 20 MHz HT
+ * @IWL_TOF_BW_40: 40 MHz
+ * @IWL_TOF_BW_80: 80 MHz
+ * @IWL_TOF_BW_160: 160 MHz
+ */
+enum iwl_tof_bandwidth {
+	IWL_TOF_BW_20_LEGACY,
+	IWL_TOF_BW_20_HT,
+	IWL_TOF_BW_40,
+	IWL_TOF_BW_80,
+	IWL_TOF_BW_160,
+}; /* LOCAT_BW_TYPE_E */
+
+/*
+ * enum iwl_tof_algo_type - Algorithym type for range measurement request
+ */
+enum iwl_tof_algo_type {
+	IWL_TOF_ALGO_TYPE_MAX_LIKE	= 0,
+	IWL_TOF_ALGO_TYPE_LINEAR_REG	= 1,
+	IWL_TOF_ALGO_TYPE_FFT		= 2,
+
+	/* Keep last */
+	IWL_TOF_ALGO_TYPE_INVALID,
+}; /* ALGO_TYPE_E */
+
+/*
+ * enum iwl_tof_mcsi_ntfy - Enable/Disable MCSI notifications
+ */
+enum iwl_tof_mcsi_enable {
+	IWL_TOF_MCSI_DISABLED = 0,
+	IWL_TOF_MCSI_ENABLED = 1,
+}; /* MCSI_ENABLE_E */
+
+/**
+ * enum iwl_tof_responder_cmd_valid_field - valid fields in the responder cfg
+ * @IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO: channel info is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_TOA_OFFSET: ToA offset is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_COMMON_CALIB: common calibration mode is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_SPECIFIC_CALIB: spefici calibration mode is
+ *	valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_BSSID: BSSID is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_TX_ANT: TX antenna is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_ALGO_TYPE: algorithm type is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_NON_ASAP_SUPPORT: non-ASAP support is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_STATISTICS_REPORT_SUPPORT: statistics report
+ *	support is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_MCSI_NOTIF_SUPPORT: MCSI notification support
+ *	is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_FAST_ALGO_SUPPORT: fast algorithm support
+ *	is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_RETRY_ON_ALGO_FAIL: retry on algorithm failure
+ *	is valid
+ * @IWL_TOF_RESPONDER_CMD_VALID_STA_ID: station ID is valid
+ */
+enum iwl_tof_responder_cmd_valid_field {
+	IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO = BIT(0),
+	IWL_TOF_RESPONDER_CMD_VALID_TOA_OFFSET = BIT(1),
+	IWL_TOF_RESPONDER_CMD_VALID_COMMON_CALIB = BIT(2),
+	IWL_TOF_RESPONDER_CMD_VALID_SPECIFIC_CALIB = BIT(3),
+	IWL_TOF_RESPONDER_CMD_VALID_BSSID = BIT(4),
+	IWL_TOF_RESPONDER_CMD_VALID_TX_ANT = BIT(5),
+	IWL_TOF_RESPONDER_CMD_VALID_ALGO_TYPE = BIT(6),
+	IWL_TOF_RESPONDER_CMD_VALID_NON_ASAP_SUPPORT = BIT(7),
+	IWL_TOF_RESPONDER_CMD_VALID_STATISTICS_REPORT_SUPPORT = BIT(8),
+	IWL_TOF_RESPONDER_CMD_VALID_MCSI_NOTIF_SUPPORT = BIT(9),
+	IWL_TOF_RESPONDER_CMD_VALID_FAST_ALGO_SUPPORT = BIT(10),
+	IWL_TOF_RESPONDER_CMD_VALID_RETRY_ON_ALGO_FAIL = BIT(11),
+	IWL_TOF_RESPONDER_CMD_VALID_STA_ID = BIT(12),
+};
+
+/**
+ * enum iwl_tof_responder_cfg_flags - responder configuration flags
+ * @IWL_TOF_RESPONDER_FLAGS_NON_ASAP_SUPPORT: non-ASAP support
+ * @IWL_TOF_RESPONDER_FLAGS_REPORT_STATISTICS: report statistics
+ * @IWL_TOF_RESPONDER_FLAGS_REPORT_MCSI: report MCSI
+ * @IWL_TOF_RESPONDER_FLAGS_ALGO_TYPE: algorithm type
+ * @IWL_TOF_RESPONDER_FLAGS_TOA_OFFSET_MODE: ToA offset mode
+ * @IWL_TOF_RESPONDER_FLAGS_COMMON_CALIB_MODE: common calibration mode
+ * @IWL_TOF_RESPONDER_FLAGS_SPECIFIC_CALIB_MODE: specific calibration mode
+ * @IWL_TOF_RESPONDER_FLAGS_FAST_ALGO_SUPPORT: fast algorithm support
+ * @IWL_TOF_RESPONDER_FLAGS_RETRY_ON_ALGO_FAIL: retry on algorithm fail
+ * @IWL_TOF_RESPONDER_FLAGS_FTM_TX_ANT: TX antenna mask
+ */
+enum iwl_tof_responder_cfg_flags {
+	IWL_TOF_RESPONDER_FLAGS_NON_ASAP_SUPPORT = BIT(0),
+	IWL_TOF_RESPONDER_FLAGS_REPORT_STATISTICS = BIT(1),
+	IWL_TOF_RESPONDER_FLAGS_REPORT_MCSI = BIT(2),
+	IWL_TOF_RESPONDER_FLAGS_ALGO_TYPE = BIT(3) | BIT(4) | BIT(5),
+	IWL_TOF_RESPONDER_FLAGS_TOA_OFFSET_MODE = BIT(6),
+	IWL_TOF_RESPONDER_FLAGS_COMMON_CALIB_MODE = BIT(7),
+	IWL_TOF_RESPONDER_FLAGS_SPECIFIC_CALIB_MODE = BIT(8),
+	IWL_TOF_RESPONDER_FLAGS_FAST_ALGO_SUPPORT = BIT(9),
+	IWL_TOF_RESPONDER_FLAGS_RETRY_ON_ALGO_FAIL = BIT(10),
+	IWL_TOF_RESPONDER_FLAGS_FTM_TX_ANT = RATE_MCS_ANT_ABC_MSK,
+};
+
+/**
+ * struct iwl_tof_responder_config_cmd - ToF AP mode (for debug)
+ * @cmd_valid_fields: &iwl_tof_responder_cmd_valid_field
+ * @responder_cfg_flags: &iwl_tof_responder_cfg_flags
+ * @bandwidth: current AP Bandwidth: &enum iwl_tof_bandwidth
+ * @rate: current AP rate
+ * @channel_num: current AP Channel
+ * @ctrl_ch_position: coding of the control channel position relative to
+ *	the center frequency, see iwl_mvm_get_ctrl_pos()
+ * @sta_id: index of the AP STA when in AP mode
+ * @reserved1: reserved
+ * @toa_offset: Artificial addition [pSec] for the ToA - to be used for debug
+ *	purposes, simulating station movement by adding various values
+ *	to this field
+ * @common_calib: XVT: common calibration value
+ * @specific_calib: XVT: specific calibration value
+ * @bssid: Current AP BSSID
+ * @reserved2: reserved
+ */
+struct iwl_tof_responder_config_cmd {
+	__le32 cmd_valid_fields;
+	__le32 responder_cfg_flags;
+	u8 bandwidth;
+	u8 rate;
+	u8 channel_num;
+	u8 ctrl_ch_position;
+	u8 sta_id;
+	u8 reserved1;
+	__le16 toa_offset;
+	__le16 common_calib;
+	__le16 specific_calib;
+	u8 bssid[ETH_ALEN];
+	__le16 reserved2;
+} __packed; /* TOF_RESPONDER_CONFIG_CMD_API_S_VER_6 */
+
+#define IWL_LCI_CIVIC_IE_MAX_SIZE	400
+
+/**
+ * struct iwl_tof_responder_dyn_config_cmd - Dynamic responder settings
+ * @lci_len: The length of the 1st (LCI) part in the @lci_civic buffer
+ * @civic_len: The length of the 2nd (CIVIC) part in the @lci_civic buffer
+ * @lci_civic: The LCI/CIVIC buffer. LCI data (if exists) comes first, then, if
+ *	needed, 0-padding such that the next part is dword-aligned, then CIVIC
+ *	data (if exists) follows, and then 0-padding again to complete a
+ *	4-multiple long buffer.
+ */
+struct iwl_tof_responder_dyn_config_cmd {
+	__le32 lci_len;
+	__le32 civic_len;
+	u8 lci_civic[];
+} __packed; /* TOF_RESPONDER_DYN_CONFIG_CMD_API_S_VER_2 */
+
+/**
+ * struct iwl_tof_range_request_ext_cmd - extended range req for WLS
+ * @tsf_timer_offset_msec: the recommended time offset (mSec) from the AP's TSF
+ * @reserved: reserved
+ * @min_delta_ftm: Minimal time between two consecutive measurements,
+ *		   in units of 100us. 0 means no preference by station
+ * @ftm_format_and_bw20M: FTM Channel Spacing/Format for 20MHz: recommended
+ *			value be sent to the AP
+ * @ftm_format_and_bw40M: FTM Channel Spacing/Format for 40MHz: recommended
+ *			value to be sent to the AP
+ * @ftm_format_and_bw80M: FTM Channel Spacing/Format for 80MHz: recommended
+ *			value to be sent to the AP
+ */
+struct iwl_tof_range_req_ext_cmd {
+	__le16 tsf_timer_offset_msec;
+	__le16 reserved;
+	u8 min_delta_ftm;
+	u8 ftm_format_and_bw20M;
+	u8 ftm_format_and_bw40M;
+	u8 ftm_format_and_bw80M;
+} __packed;
+
+/**
+ * enum iwl_tof_location_query - values for query bitmap
+ * @IWL_TOF_LOC_LCI: query LCI
+ * @IWL_TOF_LOC_CIVIC: query civic
+ */
+enum iwl_tof_location_query {
+	IWL_TOF_LOC_LCI = 0x01,
+	IWL_TOF_LOC_CIVIC = 0x02,
+};
+
+ /**
+ * struct iwl_tof_range_req_ap_entry - AP configuration parameters
+ * @channel_num: Current AP Channel
+ * @bandwidth: Current AP Bandwidth. One of iwl_tof_bandwidth.
+ * @tsf_delta_direction: TSF relatively to the subject AP
+ * @ctrl_ch_position: Coding of the control channel position relative to the
+ *	center frequency, see iwl_mvm_get_ctrl_pos().
+ * @bssid: AP's BSSID
+ * @measure_type: Measurement type: 0 - two sided, 1 - One sided
+ * @num_of_bursts: Recommended value to be sent to the AP.  2s Exponent of the
+ *	number of measurement iterations (min 2^0 = 1, max 2^14)
+ * @burst_period: Recommended value to be sent to the AP. Measurement
+ *	periodicity In units of 100ms. ignored if num_of_bursts = 0
+ * @samples_per_burst: 2-sided: the number of FTMs pairs in single Burst (1-31);
+ *	1-sided: how many rts/cts pairs should be used per burst.
+ * @retries_per_sample: Max number of retries that the LMAC should send
+ *	in case of no replies by the AP.
+ * @tsf_delta: TSF Delta in units of microseconds.
+ *	The difference between the AP TSF and the device local clock.
+ * @location_req: Location Request Bit[0] LCI should be sent in the FTMR;
+ *	Bit[1] Civic should be sent in the FTMR
+ * @asap_mode: 0 - non asap mode, 1 - asap mode (not relevant for one sided)
+ * @enable_dyn_ack: Enable Dynamic ACK BW.
+ *	0: Initiator interact with regular AP;
+ *	1: Initiator interact with Responder machine: need to send the
+ *	Initiator Acks with HT 40MHz / 80MHz, since the Responder should
+ *	use it for its ch est measurement (this flag will be set when we
+ *	configure the opposite machine to be Responder).
+ * @rssi: Last received value
+ *	legal values: -128-0 (0x7f). above 0x0 indicating an invalid value.
+ * @algo_type: &enum iwl_tof_algo_type
+ * @notify_mcsi: &enum iwl_tof_mcsi_ntfy.
+ * @reserved: For alignment and future use
+ */
+struct iwl_tof_range_req_ap_entry {
+	u8 channel_num;
+	u8 bandwidth;
+	u8 tsf_delta_direction;
+	u8 ctrl_ch_position;
+	u8 bssid[ETH_ALEN];
+	u8 measure_type;
+	u8 num_of_bursts;
+	__le16 burst_period;
+	u8 samples_per_burst;
+	u8 retries_per_sample;
+	__le32 tsf_delta;
+	u8 location_req;
+	u8 asap_mode;
+	u8 enable_dyn_ack;
+	s8 rssi;
+	u8 algo_type;
+	u8 notify_mcsi;
+	__le16 reserved;
+} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_3 */
+
+/**
+ * enum iwl_tof_response_mode
+ * @IWL_MVM_TOF_RESPONSE_ASAP: report each AP measurement separately as soon as
+ *			       possible (not supported for this release)
+ * @IWL_MVM_TOF_RESPONSE_TIMEOUT: report all AP measurements as a batch upon
+ *				  timeout expiration
+ * @IWL_MVM_TOF_RESPONSE_COMPLETE: report all AP measurements as a batch at the
+ *				   earlier of: measurements completion / timeout
+ *				   expiration.
+ */
+enum iwl_tof_response_mode {
+	IWL_MVM_TOF_RESPONSE_ASAP,
+	IWL_MVM_TOF_RESPONSE_TIMEOUT,
+	IWL_MVM_TOF_RESPONSE_COMPLETE,
+};
+
+/**
+ * enum iwl_tof_initiator_flags
+ *
+ * @IWL_TOF_INITIATOR_FLAGS_FAST_ALGO_DISABLED: disable fast algo, meaning run
+ *	the algo on ant A+B, instead of only one of them.
+ * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_A: open RX antenna A for FTMs RX
+ * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_B: open RX antenna B for FTMs RX
+ * @IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_C: open RX antenna C for FTMs RX
+ * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_A: use antenna A fo TX ACKs during FTM
+ * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_B: use antenna B fo TX ACKs during FTM
+ * @IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_C: use antenna C fo TX ACKs during FTM
+ * @IWL_TOF_INITIATOR_FLAGS_MINDELTA_NO_PREF: no preference for minDeltaFTM
+ */
+enum iwl_tof_initiator_flags {
+	IWL_TOF_INITIATOR_FLAGS_FAST_ALGO_DISABLED = BIT(0),
+	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_A = BIT(1),
+	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_B = BIT(2),
+	IWL_TOF_INITIATOR_FLAGS_RX_CHAIN_SEL_C = BIT(3),
+	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_A = BIT(4),
+	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_B = BIT(5),
+	IWL_TOF_INITIATOR_FLAGS_TX_CHAIN_SEL_C = BIT(6),
+	IWL_TOF_INITIATOR_FLAGS_MINDELTA_NO_PREF = BIT(7),
+}; /* LOCATION_RANGE_REQ_CMD_API_S_VER_5 */
+
+#define IWL_MVM_TOF_MAX_APS 5
+#define IWL_MVM_TOF_MAX_TWO_SIDED_APS 5
+
+/**
+ * struct iwl_tof_range_req_cmd - start measurement cmd
+ * @initiator_flags: see flags @ iwl_tof_initiator_flags
+ * @request_id: A Token incremented per request. The same Token will be
+ *		sent back in the range response
+ * @initiator: 0- NW initiated,  1 - Client Initiated
+ * @one_sided_los_disable: '0'- run ML-Algo for both ToF/OneSided,
+ *			   '1' - run ML-Algo for ToF only
+ * @req_timeout: Requested timeout of the response in units of 100ms.
+ *	     This is equivalent to the session time configured to the
+ *	     LMAC in Initiator Request
+ * @report_policy: Supported partially for this release: For current release -
+ *		   the range report will be uploaded as a batch when ready or
+ *		   when the session is done (successfully / partially).
+ *		   one of iwl_tof_response_mode.
+ * @reserved0: reserved
+ * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
+ * @macaddr_random: '0' Use default source MAC address (i.e. p2_p),
+ *	            '1' Use MAC Address randomization according to the below
+ * @range_req_bssid: ranging request BSSID
+ * @macaddr_template: MAC address template to use for non-randomized bits
+ * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
+ *		  Bits set to 1 shall be randomized by the UMAC
+ * @ftm_rx_chains: Rx chain to open to receive Responder's FTMs (XVT)
+ * @ftm_tx_chains: Tx chain to send the ack to the Responder FTM (XVT)
+ * @common_calib: The common calib value to inject to this measurement calc
+ * @specific_calib: The specific calib value to inject to this measurement calc
+ * @ap: per-AP request data
+ */
+struct iwl_tof_range_req_cmd {
+	__le32 initiator_flags;
+	u8 request_id;
+	u8 initiator;
+	u8 one_sided_los_disable;
+	u8 req_timeout;
+	u8 report_policy;
+	u8 reserved0;
+	u8 num_of_ap;
+	u8 macaddr_random;
+	u8 range_req_bssid[ETH_ALEN];
+	u8 macaddr_template[ETH_ALEN];
+	u8 macaddr_mask[ETH_ALEN];
+	u8 ftm_rx_chains;
+	u8 ftm_tx_chains;
+	__le16 common_calib;
+	__le16 specific_calib;
+	struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS];
+} __packed;
+/* LOCATION_RANGE_REQ_CMD_API_S_VER_5 */
+
+/*
+ * enum iwl_tof_range_request_status - status of the sent request
+ * @IWL_TOF_RANGE_REQUEST_STATUS_SUCCESSFUL - FW successfully received the
+ *	request
+ * @IWL_TOF_RANGE_REQUEST_STATUS_BUSY - FW is busy with a previous request, the
+ *	sent request will not be handled
+ */
+enum iwl_tof_range_request_status {
+	IWL_TOF_RANGE_REQUEST_STATUS_SUCCESS,
+	IWL_TOF_RANGE_REQUEST_STATUS_BUSY,
+};
+
+/**
+ * enum iwl_tof_entry_status
+ *
+ * @IWL_TOF_ENTRY_SUCCESS: successful measurement.
+ * @IWL_TOF_ENTRY_GENERAL_FAILURE: General failure.
+ * @IWL_TOF_ENTRY_NO_RESPONSE: Responder didn't reply to the request.
+ * @IWL_TOF_ENTRY_REQUEST_REJECTED: Responder rejected the request.
+ * @IWL_TOF_ENTRY_NOT_SCHEDULED: Time event was scheduled but not called yet.
+ * @IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT: Time event triggered but no
+ *	measurement was completed.
+ * @IWL_TOF_ENTRY_TARGET_DIFF_CH_CANNOT_CHANGE: No range due inability to switch
+ *	from the primary channel.
+ * @IWL_TOF_ENTRY_RANGE_NOT_SUPPORTED: Device doesn't support FTM.
+ * @IWL_TOF_ENTRY_REQUEST_ABORT_UNKNOWN_REASON: Request aborted due to unknown
+ *	reason.
+ * @IWL_TOF_ENTRY_LOCATION_INVALID_T1_T4_TIME_STAMP: Failure due to invalid
+ *	T1/T4.
+ * @IWL_TOF_ENTRY_11MC_PROTOCOL_FAILURE: Failure due to invalid FTM frame
+ *	structure.
+ * @IWL_TOF_ENTRY_REQUEST_CANNOT_SCHED: Request cannot be scheduled.
+ * @IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE: Responder cannot serve the
+ *	initiator for some period, period supplied in @refusal_period.
+ * @IWL_TOF_ENTRY_BAD_REQUEST_ARGS: Bad request arguments.
+ * @IWL_TOF_ENTRY_WIFI_NOT_ENABLED: Wifi not enabled.
+ * @IWL_TOF_ENTRY_RESPONDER_OVERRIDE_PARAMS: Responder override the original
+ *	parameters within the current session.
+ */
+enum iwl_tof_entry_status {
+	IWL_TOF_ENTRY_SUCCESS = 0,
+	IWL_TOF_ENTRY_GENERAL_FAILURE = 1,
+	IWL_TOF_ENTRY_NO_RESPONSE = 2,
+	IWL_TOF_ENTRY_REQUEST_REJECTED = 3,
+	IWL_TOF_ENTRY_NOT_SCHEDULED = 4,
+	IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT = 5,
+	IWL_TOF_ENTRY_TARGET_DIFF_CH_CANNOT_CHANGE = 6,
+	IWL_TOF_ENTRY_RANGE_NOT_SUPPORTED = 7,
+	IWL_TOF_ENTRY_REQUEST_ABORT_UNKNOWN_REASON = 8,
+	IWL_TOF_ENTRY_LOCATION_INVALID_T1_T4_TIME_STAMP = 9,
+	IWL_TOF_ENTRY_11MC_PROTOCOL_FAILURE = 10,
+	IWL_TOF_ENTRY_REQUEST_CANNOT_SCHED = 11,
+	IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE = 12,
+	IWL_TOF_ENTRY_BAD_REQUEST_ARGS = 13,
+	IWL_TOF_ENTRY_WIFI_NOT_ENABLED = 14,
+	IWL_TOF_ENTRY_RESPONDER_OVERRIDE_PARAMS = 15,
+}; /* LOCATION_RANGE_RSP_AP_ENTRY_NTFY_API_S_VER_2 */
+
+/**
+ * struct iwl_tof_range_rsp_ap_entry_ntfy - AP parameters (response)
+ * @bssid: BSSID of the AP
+ * @measure_status: current APs measurement status, one of
+ *	&enum iwl_tof_entry_status.
+ * @measure_bw: Current AP Bandwidth: 0  20MHz, 1  40MHz, 2  80MHz
+ * @rtt: The Round Trip Time that took for the last measurement for
+ *	current AP [pSec]
+ * @rtt_variance: The Variance of the RTT values measured for current AP
+ * @rtt_spread: The Difference between the maximum and the minimum RTT
+ *	values measured for current AP in the current session [pSec]
+ * @rssi: RSSI as uploaded in the Channel Estimation notification
+ * @rssi_spread: The Difference between the maximum and the minimum RSSI values
+ *	measured for current AP in the current session
+ * @reserved: reserved
+ * @refusal_period: refusal period in case of
+ *	@IWL_TOF_ENTRY_RESPONDER_CANNOT_COLABORATE [sec]
+ * @range: Measured range [cm]
+ * @range_variance: Measured range variance [cm]
+ * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was
+ *	uploaded by the LMAC
+ * @t2t3_initiator: as calculated from the algo in the initiator
+ * @t1t4_responder: as calculated from the algo in the responder
+ * @common_calib: Calib val that was used in for this AP measurement
+ * @specific_calib: val that was used in for this AP measurement
+ * @papd_calib_output: The result of the tof papd calibration that was injected
+ *	into the algorithm.
+ */
+struct iwl_tof_range_rsp_ap_entry_ntfy {
+	u8 bssid[ETH_ALEN];
+	u8 measure_status;
+	u8 measure_bw;
+	__le32 rtt;
+	__le32 rtt_variance;
+	__le32 rtt_spread;
+	s8 rssi;
+	u8 rssi_spread;
+	u8 reserved;
+	u8 refusal_period;
+	__le32 range;
+	__le32 range_variance;
+	__le32 timestamp;
+	__le32 t2t3_initiator;
+	__le32 t1t4_responder;
+	__le16 common_calib;
+	__le16 specific_calib;
+	__le32 papd_calib_output;
+} __packed; /* LOCATION_RANGE_RSP_AP_ETRY_NTFY_API_S_VER_3 */
+
+/**
+ * enum iwl_tof_response_status - tof response status
+ *
+ * @IWL_TOF_RESPONSE_SUCCESS: successful range.
+ * @IWL_TOF_RESPONSE_TIMEOUT: request aborted due to timeout expiration.
+ *	partial result of ranges done so far is included in the response.
+ * @IWL_TOF_RESPONSE_ABORTED: Measurement aborted by command.
+ * @IWL_TOF_RESPONSE_FAILED: Measurement request command failed.
+ */
+enum iwl_tof_response_status {
+	IWL_TOF_RESPONSE_SUCCESS = 0,
+	IWL_TOF_RESPONSE_TIMEOUT = 1,
+	IWL_TOF_RESPONSE_ABORTED = 4,
+	IWL_TOF_RESPONSE_FAILED  = 5,
+}; /* LOCATION_RNG_RSP_STATUS */
+
+/**
+ * struct iwl_tof_range_rsp_ntfy - ranging response notification
+ * @request_id: A Token ID of the corresponding Range request
+ * @request_status: status of current measurement session, one of
+ *	&enum iwl_tof_response_status.
+ * @last_in_batch: reprot policy (when not all responses are uploaded at once)
+ * @num_of_aps: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
+ * @ap: per-AP data
+ */
+struct iwl_tof_range_rsp_ntfy {
+	u8 request_id;
+	u8 request_status;
+	u8 last_in_batch;
+	u8 num_of_aps;
+	struct iwl_tof_range_rsp_ap_entry_ntfy ap[IWL_MVM_TOF_MAX_APS];
+} __packed;
+
+#define IWL_MVM_TOF_MCSI_BUF_SIZE  (245)
+/**
+ * struct iwl_tof_mcsi_notif - used for debug
+ * @token: token ID for the current session
+ * @role: '0' - initiator, '1' - responder
+ * @reserved: reserved
+ * @initiator_bssid: initiator machine
+ * @responder_bssid: responder machine
+ * @mcsi_buffer: debug data
+ */
+struct iwl_tof_mcsi_notif {
+	u8 token;
+	u8 role;
+	__le16 reserved;
+	u8 initiator_bssid[ETH_ALEN];
+	u8 responder_bssid[ETH_ALEN];
+	u8 mcsi_buffer[IWL_MVM_TOF_MCSI_BUF_SIZE * 4];
+} __packed;
+
+/**
+ * struct iwl_tof_range_abort_cmd
+ * @request_id: corresponds to a range request
+ * @reserved: reserved
+ */
+struct iwl_tof_range_abort_cmd {
+	u8 request_id;
+	u8 reserved[3];
+} __packed;
+
+enum ftm_responder_stats_flags {
+	FTM_RESP_STAT_NON_ASAP_STARTED = BIT(0),
+	FTM_RESP_STAT_NON_ASAP_IN_WIN = BIT(1),
+	FTM_RESP_STAT_NON_ASAP_OUT_WIN = BIT(2),
+	FTM_RESP_STAT_TRIGGER_DUP = BIT(3),
+	FTM_RESP_STAT_DUP = BIT(4),
+	FTM_RESP_STAT_DUP_IN_WIN = BIT(5),
+	FTM_RESP_STAT_DUP_OUT_WIN = BIT(6),
+	FTM_RESP_STAT_SCHED_SUCCESS = BIT(7),
+	FTM_RESP_STAT_ASAP_REQ = BIT(8),
+	FTM_RESP_STAT_NON_ASAP_REQ = BIT(9),
+	FTM_RESP_STAT_ASAP_RESP = BIT(10),
+	FTM_RESP_STAT_NON_ASAP_RESP = BIT(11),
+	FTM_RESP_STAT_FAIL_INITIATOR_INACTIVE = BIT(12),
+	FTM_RESP_STAT_FAIL_INITIATOR_OUT_WIN = BIT(13),
+	FTM_RESP_STAT_FAIL_INITIATOR_RETRY_LIM = BIT(14),
+	FTM_RESP_STAT_FAIL_NEXT_SERVED = BIT(15),
+	FTM_RESP_STAT_FAIL_TRIGGER_ERR = BIT(16),
+	FTM_RESP_STAT_FAIL_GC = BIT(17),
+	FTM_RESP_STAT_SUCCESS = BIT(18),
+	FTM_RESP_STAT_INTEL_IE = BIT(19),
+	FTM_RESP_STAT_INITIATOR_ACTIVE = BIT(20),
+	FTM_RESP_STAT_MEASUREMENTS_AVAILABLE = BIT(21),
+	FTM_RESP_STAT_TRIGGER_UNKNOWN = BIT(22),
+	FTM_RESP_STAT_PROCESS_FAIL = BIT(23),
+	FTM_RESP_STAT_ACK = BIT(24),
+	FTM_RESP_STAT_NACK = BIT(25),
+	FTM_RESP_STAT_INVALID_INITIATOR_ID = BIT(26),
+	FTM_RESP_STAT_TIMER_MIN_DELTA = BIT(27),
+	FTM_RESP_STAT_INITIATOR_REMOVED = BIT(28),
+	FTM_RESP_STAT_INITIATOR_ADDED = BIT(29),
+	FTM_RESP_STAT_ERR_LIST_FULL = BIT(30),
+	FTM_RESP_STAT_INITIATOR_SCHED_NOW = BIT(31),
+}; /* RESP_IND_E */
+
+/**
+ * struct iwl_ftm_responder_stats - FTM responder statistics
+ * @addr: initiator address
+ * @success_ftm: number of successful ftm frames
+ * @ftm_per_burst: num of FTM frames that were received
+ * @flags: &enum ftm_responder_stats_flags
+ * @duration: actual duration of FTM
+ * @allocated_duration: time that was allocated for this FTM session
+ * @bw: FTM request bandwidth
+ * @rate: FTM request rate
+ * @reserved: for alingment and future use
+ */
+struct iwl_ftm_responder_stats {
+	u8 addr[ETH_ALEN];
+	u8 success_ftm;
+	u8 ftm_per_burst;
+	__le32 flags;
+	__le32 duration;
+	__le32 allocated_duration;
+	u8 bw;
+	u8 rate;
+	__le16 reserved;
+} __packed; /* TOF_RESPONDER_STATISTICS_NTFY_S_VER_2 */
+
+#endif /* __iwl_fw_api_location_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 851bfb259f10..e3eb812e0248 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -91,6 +91,7 @@
 #include "fw/api/sf.h"
 #include "fw/api/sta.h"
 #include "fw/api/stats.h"
+#include "fw/api/location.h"
 #include "fw/api/tx.h"
 
 #endif /* __fw_api_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 93b7cc5910fe..c7ec36ceb661 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -457,6 +457,22 @@ static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
 	HCMD_NAME(MFU_ASSERT_DUMP_NTF),
 };
 
+/* Please keep this array *SORTED* by hex value.
+ * Access is done through binary search
+ */
+static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
+	HCMD_NAME(TOF_RANGE_REQ_CMD),
+	HCMD_NAME(TOF_CONFIG_CMD),
+	HCMD_NAME(TOF_RANGE_ABORT_CMD),
+	HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
+	HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
+	HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
+	HCMD_NAME(TOF_LC_NOTIF),
+	HCMD_NAME(TOF_RESPONDER_STATS),
+	HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
+	HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
+};
+
 /* Please keep this array *SORTED* by hex value.
  * Access is done through binary search
  */
@@ -479,6 +495,7 @@ static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
 	[MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
 	[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
 	[DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
+	[LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
 	[PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
 	[REGULATORY_AND_NVM_GROUP] =
 		HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
-- 
2.20.1