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Commit b73f9a4a authored by Johannes Berg's avatar Johannes Berg Committed by Luca Coelho
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iwlwifi: mvm: support FTM responder



Add support for FTM responder for hardware/firmware combinations
that advertise support for it.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarAvraham Stern <avraham.stern@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 106b791a
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+9 −0
Original line number Diff line number Diff line
@@ -370,12 +370,15 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
 *	capability.
 * @IWL_UCODE_TLV_CAPA_CSI_REPORTING: firmware is capable of being configured
 *	to report the CSI information with (certain) RX frames
 * @IWL_UCODE_TLV_CAPA_FTM_CALIBRATED: has FTM calibrated and thus supports both
 *	initiator and responder
 *
 * @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
 *
 * @NUM_IWL_UCODE_TLV_CAPA: number of bits used
 */
enum iwl_ucode_tlv_capa {
	/* set 0 */
	IWL_UCODE_TLV_CAPA_D0I3_SUPPORT			= (__force iwl_ucode_tlv_capa_t)0,
	IWL_UCODE_TLV_CAPA_LAR_SUPPORT			= (__force iwl_ucode_tlv_capa_t)1,
	IWL_UCODE_TLV_CAPA_UMAC_SCAN			= (__force iwl_ucode_tlv_capa_t)2,
@@ -397,6 +400,8 @@ enum iwl_ucode_tlv_capa {
	IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC		= (__force iwl_ucode_tlv_capa_t)29,
	IWL_UCODE_TLV_CAPA_BT_COEX_RRC			= (__force iwl_ucode_tlv_capa_t)30,
	IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT		= (__force iwl_ucode_tlv_capa_t)31,

	/* set 1 */
	IWL_UCODE_TLV_CAPA_STA_PM_NOTIF			= (__force iwl_ucode_tlv_capa_t)38,
	IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT		= (__force iwl_ucode_tlv_capa_t)39,
	IWL_UCODE_TLV_CAPA_CDB_SUPPORT			= (__force iwl_ucode_tlv_capa_t)40,
@@ -406,6 +411,9 @@ enum iwl_ucode_tlv_capa {
	IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2		= (__force iwl_ucode_tlv_capa_t)45,
	IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD		= (__force iwl_ucode_tlv_capa_t)46,
	IWL_UCODE_TLV_CAPA_ULTRA_HB_CHANNELS		= (__force iwl_ucode_tlv_capa_t)48,
	IWL_UCODE_TLV_CAPA_FTM_CALIBRATED		= (__force iwl_ucode_tlv_capa_t)47,

	/* set 2 */
	IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE		= (__force iwl_ucode_tlv_capa_t)64,
	IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS		= (__force iwl_ucode_tlv_capa_t)65,
	IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT		= (__force iwl_ucode_tlv_capa_t)67,
@@ -426,6 +434,7 @@ enum iwl_ucode_tlv_capa {
	IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT	= (__force iwl_ucode_tlv_capa_t)89,
	IWL_UCODE_TLV_CAPA_CSI_REPORTING		= (__force iwl_ucode_tlv_capa_t)90,

	/* set 3 */
	IWL_UCODE_TLV_CAPA_MLME_OFFLOAD			= (__force iwl_ucode_tlv_capa_t)96,

	NUM_IWL_UCODE_TLV_CAPA
+1 −1
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o
iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o
iwlmvm-y += scan.o time-event.o rs.o rs-fw.o
iwlmvm-y += power.o coex.o
iwlmvm-y += tt.o offloading.o tdls.o
iwlmvm-y += tt.o offloading.o tdls.o ftm-responder.o
iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o
iwlmvm-$(CONFIG_PM) += d3.o
+244 −0
Original line number Diff line number Diff line
/******************************************************************************
 *
 * 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.
 *
 *****************************************************************************/
#include <net/cfg80211.h>
#include <linux/etherdevice.h>
#include "mvm.h"
#include "constants.h"

static int
iwl_mvm_ftm_responder_cmd(struct iwl_mvm *mvm,
			  struct ieee80211_vif *vif,
			  struct cfg80211_chan_def *chandef)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_tof_responder_config_cmd cmd = {
		.channel_num = chandef->chan->hw_value,
		.cmd_valid_fields =
			cpu_to_le32(IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO |
				    IWL_TOF_RESPONDER_CMD_VALID_BSSID |
				    IWL_TOF_RESPONDER_CMD_VALID_STA_ID),
		.sta_id = mvmvif->bcast_sta.sta_id,
	};

	lockdep_assert_held(&mvm->mutex);

	switch (chandef->width) {
	case NL80211_CHAN_WIDTH_20_NOHT:
		cmd.bandwidth = IWL_TOF_BW_20_LEGACY;
		break;
	case NL80211_CHAN_WIDTH_20:
		cmd.bandwidth = IWL_TOF_BW_20_HT;
		break;
	case NL80211_CHAN_WIDTH_40:
		cmd.bandwidth = IWL_TOF_BW_40;
		cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef);
		break;
	case NL80211_CHAN_WIDTH_80:
		cmd.bandwidth = IWL_TOF_BW_80;
		cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef);
		break;
	default:
		WARN_ON(1);
		return -EINVAL;
	}

	memcpy(cmd.bssid, vif->addr, ETH_ALEN);

	return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RESPONDER_CONFIG_CMD,
						    LOCATION_GROUP, 0),
				    0, sizeof(cmd), &cmd);
}

static int
iwl_mvm_ftm_responder_dyn_cfg_cmd(struct iwl_mvm *mvm,
				  struct ieee80211_vif *vif,
				  struct ieee80211_ftm_responder_params *params)
{
	struct iwl_tof_responder_dyn_config_cmd cmd = {
		.lci_len = cpu_to_le32(params->lci_len + 2),
		.civic_len = cpu_to_le32(params->civicloc_len + 2),
	};
	u8 data[IWL_LCI_CIVIC_IE_MAX_SIZE] = {0};
	struct iwl_host_cmd hcmd = {
		.id = iwl_cmd_id(TOF_RESPONDER_DYN_CONFIG_CMD,
				 LOCATION_GROUP, 0),
		.data[0] = &cmd,
		.len[0] = sizeof(cmd),
		.data[1] = &data,
		/* .len[1] set later */
		/* may not be able to DMA from stack */
		.dataflags[1] = IWL_HCMD_DFL_DUP,
	};
	u32 aligned_lci_len = ALIGN(params->lci_len + 2, 4);
	u32 aligned_civicloc_len = ALIGN(params->civicloc_len + 2, 4);
	u8 *pos = data;

	lockdep_assert_held(&mvm->mutex);

	if (aligned_lci_len + aligned_civicloc_len > sizeof(data)) {
		IWL_ERR(mvm, "LCI/civicloc data too big (%zd + %zd)\n",
			params->lci_len, params->civicloc_len);
		return -ENOBUFS;
	}

	pos[0] = WLAN_EID_MEASURE_REPORT;
	pos[1] = params->lci_len;
	memcpy(pos + 2, params->lci, params->lci_len);

	pos += aligned_lci_len;
	pos[0] = WLAN_EID_MEASURE_REPORT;
	pos[1] = params->civicloc_len;
	memcpy(pos + 2, params->civicloc, params->civicloc_len);

	hcmd.len[1] = aligned_lci_len + aligned_civicloc_len;

	return iwl_mvm_send_cmd(mvm, &hcmd);
}

int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct ieee80211_ftm_responder_params *params;
	struct ieee80211_chanctx_conf ctx, *pctx;
	u16 *phy_ctxt_id;
	struct iwl_mvm_phy_ctxt *phy_ctxt;
	int ret;

	params = vif->bss_conf.ftmr_params;

	lockdep_assert_held(&mvm->mutex);

	if (WARN_ON_ONCE(!vif->bss_conf.ftm_responder))
		return -EINVAL;

	if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
	    !mvmvif->ap_ibss_active) {
		IWL_ERR(mvm, "Cannot start responder, not in AP mode\n");
		return -EIO;
	}

	rcu_read_lock();
	pctx = rcu_dereference(vif->chanctx_conf);
	/* Copy the ctx to unlock the rcu and send the phy ctxt. We don't care
	 * about changes in the ctx after releasing the lock because the driver
	 * is still protected by the mutex. */
	ctx = *pctx;
	phy_ctxt_id  = (u16 *)pctx->drv_priv;
	rcu_read_unlock();

	phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
	ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx.def,
				       ctx.rx_chains_static,
				       ctx.rx_chains_dynamic);
	if (ret)
		return ret;

	ret = iwl_mvm_ftm_responder_cmd(mvm, vif, &ctx.def);
	if (ret)
		return ret;

	if (params)
		ret = iwl_mvm_ftm_responder_dyn_cfg_cmd(mvm, vif, params);

	return ret;
}

void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm,
				   struct ieee80211_vif *vif)
{
	if (!vif->bss_conf.ftm_responder)
		return;

	iwl_mvm_ftm_start_responder(mvm, vif);
}

void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_ftm_responder_stats *resp = (void *)pkt->data;
	struct cfg80211_ftm_responder_stats *stats = &mvm->ftm_resp_stats;
	u32 flags = le32_to_cpu(resp->flags);

	if (resp->success_ftm == resp->ftm_per_burst)
		stats->success_num++;
	else if (resp->success_ftm >= 2)
		stats->partial_num++;
	else
		stats->failed_num++;

	if ((flags & FTM_RESP_STAT_ASAP_REQ) &&
	    (flags & FTM_RESP_STAT_ASAP_RESP))
		stats->asap_num++;

	if (flags & FTM_RESP_STAT_NON_ASAP_RESP)
		stats->non_asap_num++;

	stats->total_duration_ms += le32_to_cpu(resp->duration) / USEC_PER_MSEC;

	if (flags & FTM_RESP_STAT_TRIGGER_UNKNOWN)
		stats->unknown_triggers_num++;

	if (flags & FTM_RESP_STAT_DUP)
		stats->reschedule_requests_num++;

	if (flags & FTM_RESP_STAT_NON_ASAP_OUT_WIN)
		stats->out_of_window_triggers_num++;
}
+88 −4
Original line number Diff line number Diff line
@@ -548,6 +548,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
		hw->wiphy->n_cipher_suites++;
	}

	if (fw_has_capa(&mvm->fw->ucode_capa,
			IWL_UCODE_TLV_CAPA_FTM_CALIBRATED))
		wiphy_ext_feature_set(hw->wiphy,
				      NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);

	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
	hw->wiphy->features |=
		NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
@@ -1657,6 +1662,9 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
				       IEEE80211_VIF_SUPPORTS_CQM_RSSI);
	}

	if (vif->bss_conf.ftm_responder)
		memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats));

	iwl_mvm_vif_dbgfs_clean(mvm, vif);

	/*
@@ -2548,6 +2556,8 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
	if (iwl_mvm_phy_ctx_count(mvm) > 1)
		iwl_mvm_teardown_tdls_peers(mvm);

	iwl_mvm_ftm_restart_responder(mvm, vif);

	goto out_unlock;

out_quota_failed:
@@ -2659,6 +2669,15 @@ iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
				bss_conf->txpower);
		iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
	}

	if (changes & BSS_CHANGED_FTM_RESPONDER) {
		int ret = iwl_mvm_ftm_start_responder(mvm, vif);

		if (ret)
			IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
				 ret);
	}

}

static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
@@ -3796,11 +3815,43 @@ static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
	return 0;
}

struct iwl_mvm_ftm_responder_iter_data {
	bool responder;
	struct ieee80211_chanctx_conf *ctx;
};

static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac,
					       struct ieee80211_vif *vif)
{
	struct iwl_mvm_ftm_responder_iter_data *data = _data;

	if (rcu_access_pointer(vif->chanctx_conf) == data->ctx &&
	    vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params)
		data->responder = true;
}

static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm,
					     struct ieee80211_chanctx_conf *ctx)
{
	struct iwl_mvm_ftm_responder_iter_data data = {
		.responder = false,
		.ctx = ctx,
	};

	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
					IEEE80211_IFACE_ITER_NORMAL,
					iwl_mvm_ftm_responder_chanctx_iter,
					&data);
	return data.responder;
}

static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
				 struct ieee80211_chanctx_conf *ctx)
{
	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
	struct iwl_mvm_phy_ctxt *phy_ctxt;
	bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
	struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;
	int ret;

	lockdep_assert_held(&mvm->mutex);
@@ -3813,7 +3864,7 @@ static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
		goto out;
	}

	ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
	ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
				       ctx->rx_chains_static,
				       ctx->rx_chains_dynamic);
	if (ret) {
@@ -3868,6 +3919,8 @@ static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
	struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
	bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
	struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;

	if (WARN_ONCE((phy_ctxt->ref > 1) &&
		      (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
@@ -3882,17 +3935,17 @@ static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,

	/* we are only changing the min_width, may be a noop */
	if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) {
		if (phy_ctxt->width == ctx->min_def.width)
		if (phy_ctxt->width == def->width)
			goto out_unlock;

		/* we are just toggling between 20_NOHT and 20 */
		if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 &&
		    ctx->min_def.width <= NL80211_CHAN_WIDTH_20)
		    def->width <= NL80211_CHAN_WIDTH_20)
			goto out_unlock;
	}

	iwl_mvm_bt_coex_vif_change(mvm);
	iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
	iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
				 ctx->rx_chains_static,
				 ctx->rx_chains_dynamic);

@@ -4813,6 +4866,35 @@ static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
	mutex_unlock(&mvm->mutex);
}

static int
iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
				    struct ieee80211_vif *vif,
				    struct cfg80211_ftm_responder_stats *stats)
{
	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
	    !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder)
		return -EINVAL;

	mutex_lock(&mvm->mutex);
	*stats = mvm->ftm_resp_stats;
	mutex_unlock(&mvm->mutex);

	stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) |
			BIT(NL80211_FTM_STATS_PARTIAL_NUM) |
			BIT(NL80211_FTM_STATS_FAILED_NUM) |
			BIT(NL80211_FTM_STATS_ASAP_NUM) |
			BIT(NL80211_FTM_STATS_NON_ASAP_NUM) |
			BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) |
			BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) |
			BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) |
			BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM);

	return 0;
}

static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
{
	u8 protocol = ip_hdr(skb)->protocol;
@@ -4915,6 +4997,8 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
#endif
	.get_survey = iwl_mvm_mac_get_survey,
	.sta_statistics = iwl_mvm_mac_sta_statistics,
	.get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats,

	.can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
#ifdef CONFIG_IWLWIFI_DEBUGFS
	.sta_add_debugfs = iwl_mvm_sta_add_debugfs,
+9 −0
Original line number Diff line number Diff line
@@ -1150,6 +1150,8 @@ struct iwl_mvm {
	u32 ciphers[IWL_MVM_NUM_CIPHERS];
	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];

	struct cfg80211_ftm_responder_stats ftm_resp_stats;

	struct ieee80211_vif *nan_vif;
#define IWL_MAX_BAID	32
	struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
@@ -2060,6 +2062,13 @@ void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
		      bool added_vif);

/* FTM responder */
int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm,
				   struct ieee80211_vif *vif);
void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb);

/* TDLS */

/*
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