From: Johannes Berg <johannes.berg@xxxxxxxxx>
Add support for FTM initiator, i.e. peer measurements with FTM
if the firmware supports FTM.
Additionally, add two defines we depend on in
include/linux/ieee80211.h.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
.../wireless/intel/iwlwifi/fw/api/location.h | 10 +-
.../net/wireless/intel/iwlwifi/mvm/Makefile | 3 +-
.../wireless/intel/iwlwifi/mvm/constants.h | 3 +
.../intel/iwlwifi/mvm/ftm-initiator.c | 459 ++++++++++++++++++
.../net/wireless/intel/iwlwifi/mvm/mac80211.c | 56 ++-
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 16 +
drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 7 +
include/linux/ieee80211.h | 2 +
8 files changed, 552 insertions(+), 4 deletions(-)
create mode 100644 drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/location.h b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
index 6da91ec0df55..10cac5f987e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
@@ -7,6 +7,7 @@
*
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2019 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
@@ -28,6 +29,7 @@
*
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -403,7 +405,10 @@ enum iwl_tof_response_mode {
* @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
+ * @IWL_TOF_INITIATOR_FLAGS_SPECIFIC_CALIB: use the specific calib value from
+ * the range request command
+ * @IWL_TOF_INITIATOR_FLAGS_COMMON_CALIB: use the common calib value from the
+ * ragne request command
*/
enum iwl_tof_initiator_flags {
IWL_TOF_INITIATOR_FLAGS_FAST_ALGO_DISABLED = BIT(0),
@@ -413,7 +418,8 @@ enum iwl_tof_initiator_flags {
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),
+ IWL_TOF_INITIATOR_FLAGS_SPECIFIC_CALIB = BIT(15),
+ IWL_TOF_INITIATOR_FLAGS_COMMON_CALIB = BIT(16),
}; /* LOCATION_RANGE_REQ_CMD_API_S_VER_5 */
#define IWL_MVM_TOF_MAX_APS 5
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
index 56e8d073f5aa..dd268c4bd371 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile
@@ -4,7 +4,8 @@ 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 ftm-responder.o
+iwlmvm-y += tt.o offloading.o tdls.o
+iwlmvm-y += ftm-responder.o ftm-initiator.o
iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o
iwlmvm-$(CONFIG_PM) += d3.o
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
index d96ada3c06fc..58e29af12a14 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
@@ -63,6 +63,7 @@
#define __MVM_CONSTANTS_H
#include <linux/ieee80211.h>
+#include "fw-api.h"
#define IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM 20
@@ -145,5 +146,7 @@
#define IWL_MVM_RS_TPC_SR_NO_INCREASE 85 /* percent */
#define IWL_MVM_RS_TPC_TX_POWER_STEP 3
#define IWL_MVM_ENABLE_EBS 1
+#define IWL_MVM_FTM_INITIATOR_ALGO IWL_TOF_ALGO_TYPE_MAX_LIKE
+#define IWL_MVM_FTM_INITIATOR_DYNACK true
#endif /* __MVM_CONSTANTS_H */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
new file mode 100644
index 000000000000..eb6f084a0f8a
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
@@ -0,0 +1,459 @@
+/******************************************************************************
+ *
+ * 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
+ * Copyright (C) 2019 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@xxxxxxxxx>
+ * 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
+ * Copyright (C) 2019 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 <linux/etherdevice.h>
+#include <linux/math64.h>
+#include <net/cfg80211.h>
+#include "mvm.h"
+#include "iwl-io.h"
+#include "iwl-prph.h"
+#include "constants.h"
+
+struct iwl_mvm_loc_entry {
+ struct list_head list;
+ u8 addr[ETH_ALEN];
+ u8 lci_len, civic_len;
+ u8 buf[];
+};
+
+static void iwl_mvm_ftm_reset(struct iwl_mvm *mvm)
+{
+ struct iwl_mvm_loc_entry *e, *t;
+
+ mvm->ftm_initiator.req = NULL;
+ mvm->ftm_initiator.req_wdev = NULL;
+ memset(mvm->ftm_initiator.responses, 0,
+ sizeof(mvm->ftm_initiator.responses));
+ list_for_each_entry_safe(e, t, &mvm->ftm_initiator.loc_list, list) {
+ list_del(&e->list);
+ kfree(e);
+ }
+}
+
+void iwl_mvm_ftm_restart(struct iwl_mvm *mvm)
+{
+ struct cfg80211_pmsr_result result = {
+ .status = NL80211_PMSR_STATUS_FAILURE,
+ .final = 1,
+ .host_time = ktime_get_boot_ns(),
+ .type = NL80211_PMSR_TYPE_FTM,
+ };
+ int i;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (!mvm->ftm_initiator.req)
+ return;
+
+ for (i = 0; i < mvm->ftm_initiator.req->n_peers; i++) {
+ memcpy(result.addr, mvm->ftm_initiator.req->peers[i].addr,
+ ETH_ALEN);
+ result.ftm.burst_index = mvm->ftm_initiator.responses[i];
+
+ cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
+ mvm->ftm_initiator.req,
+ &result, GFP_KERNEL);
+ }
+
+ cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
+ mvm->ftm_initiator.req, GFP_KERNEL);
+ iwl_mvm_ftm_reset(mvm);
+}
+
+static int
+iwl_ftm_range_request_status_to_err(enum iwl_tof_range_request_status s)
+{
+ switch (s) {
+ case IWL_TOF_RANGE_REQUEST_STATUS_SUCCESS:
+ return 0;
+ case IWL_TOF_RANGE_REQUEST_STATUS_BUSY:
+ return -EBUSY;
+ default:
+ WARN_ON_ONCE(1);
+ return -EIO;
+ }
+}
+
+int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request *req)
+{
+ struct iwl_tof_range_req_cmd cmd = {
+ .request_id = req->cookie,
+ .req_timeout = DIV_ROUND_UP(req->timeout, 100),
+ .num_of_ap = req->n_peers,
+ /*
+ * We treat it always as random, since if not we'll
+ * have filled our local address there instead.
+ */
+ .macaddr_random = 1,
+ };
+ struct iwl_host_cmd hcmd = {
+ .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0),
+ .data[0] = &cmd,
+ .len[0] = sizeof(cmd),
+ .dataflags[0] = IWL_HCMD_DFL_DUP,
+ };
+ u32 status = 0;
+ int err, i;
+
+ /* use maximum for "no timeout" or bigger than what we can do */
+ if (!req->timeout || req->timeout > 255 * 100)
+ cmd.req_timeout = 255;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (mvm->ftm_initiator.req)
+ return -EBUSY;
+
+ memcpy(cmd.macaddr_template, req->mac_addr, ETH_ALEN);
+ for (i = 0; i < ETH_ALEN; i++)
+ cmd.macaddr_mask[i] = ~req->mac_addr_mask[i];
+
+ for (i = 0; i < cmd.num_of_ap; i++) {
+ struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
+ struct iwl_tof_range_req_ap_entry *cmd_target = &cmd.ap[i];
+ u32 freq = peer->chandef.chan->center_freq;
+
+ cmd_target->channel_num = ieee80211_frequency_to_channel(freq);
+ switch (peer->chandef.width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ cmd_target->bandwidth = IWL_TOF_BW_20_LEGACY;
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ cmd_target->bandwidth = IWL_TOF_BW_20_HT;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ cmd_target->bandwidth = IWL_TOF_BW_40;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ cmd_target->bandwidth = IWL_TOF_BW_80;
+ break;
+ default:
+ IWL_ERR(mvm, "Unsupported BW in FTM request (%d)\n",
+ peer->chandef.width);
+ return -EINVAL;
+ }
+ cmd_target->ctrl_ch_position =
+ (peer->chandef.width > NL80211_CHAN_WIDTH_20) ?
+ iwl_mvm_get_ctrl_pos(&peer->chandef) : 0;
+
+ memcpy(cmd_target->bssid, peer->addr, ETH_ALEN);
+ cmd_target->measure_type = 0; /* regular two-sided FTM */
+ cmd_target->num_of_bursts = peer->ftm.num_bursts_exp;
+ cmd_target->burst_period =
+ cpu_to_le16(peer->ftm.burst_period);
+ cmd_target->samples_per_burst = peer->ftm.ftms_per_burst;
+ cmd_target->retries_per_sample = peer->ftm.ftmr_retries;
+ cmd_target->asap_mode = peer->ftm.asap;
+ cmd_target->enable_dyn_ack = IWL_MVM_FTM_INITIATOR_DYNACK;
+
+ if (peer->ftm.request_lci)
+ cmd_target->location_req |= IWL_TOF_LOC_LCI;
+ if (peer->ftm.request_civicloc)
+ cmd_target->location_req |= IWL_TOF_LOC_CIVIC;
+
+ cmd_target->algo_type = IWL_MVM_FTM_INITIATOR_ALGO;
+ }
+
+ if (vif->bss_conf.assoc)
+ memcpy(cmd.range_req_bssid, vif->bss_conf.bssid, ETH_ALEN);
+ else
+ eth_broadcast_addr(cmd.range_req_bssid);
+
+ err = iwl_mvm_send_cmd_status(mvm, &hcmd, &status);
+ if (!err && status) {
+ IWL_ERR(mvm, "FTM range request command failure, status: %u\n",
+ status);
+ err = iwl_ftm_range_request_status_to_err(status);
+ }
+
+ if (!err) {
+ mvm->ftm_initiator.req = req;
+ mvm->ftm_initiator.req_wdev = ieee80211_vif_to_wdev(vif);
+ }
+
+ return err;
+}
+
+void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req)
+{
+ struct iwl_tof_range_abort_cmd cmd = {
+ .request_id = req->cookie,
+ };
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (req != mvm->ftm_initiator.req)
+ return;
+
+ if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RANGE_ABORT_CMD,
+ LOCATION_GROUP, 0),
+ 0, sizeof(cmd), &cmd))
+ IWL_ERR(mvm, "failed to abort FTM process\n");
+}
+
+static int iwl_mvm_ftm_find_peer(struct cfg80211_pmsr_request *req,
+ const u8 *addr)
+{
+ int i;
+
+ for (i = 0; i < req->n_peers; i++) {
+ struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
+
+ if (ether_addr_equal_unaligned(peer->addr, addr))
+ return i;
+ }
+
+ return -ENOENT;
+}
+
+static u64 iwl_mvm_ftm_get_host_time(struct iwl_mvm *mvm, __le32 fw_gp2_ts)
+{
+ u32 gp2_ts = le32_to_cpu(fw_gp2_ts);
+ u32 curr_gp2, diff;
+ u64 now_from_boot_ns;
+
+ iwl_mvm_get_sync_time(mvm, &curr_gp2, &now_from_boot_ns);
+
+ if (curr_gp2 >= gp2_ts)
+ diff = curr_gp2 - gp2_ts;
+ else
+ diff = curr_gp2 + (U32_MAX - gp2_ts + 1);
+
+ return now_from_boot_ns - (u64)diff * 1000;
+}
+
+static void iwl_mvm_ftm_get_lci_civic(struct iwl_mvm *mvm,
+ struct cfg80211_pmsr_result *res)
+{
+ struct iwl_mvm_loc_entry *entry;
+
+ list_for_each_entry(entry, &mvm->ftm_initiator.loc_list, list) {
+ if (!ether_addr_equal_unaligned(res->addr, entry->addr))
+ continue;
+
+ if (entry->lci_len) {
+ res->ftm.lci_len = entry->lci_len;
+ res->ftm.lci = entry->buf;
+ }
+
+ if (entry->civic_len) {
+ res->ftm.civicloc_len = entry->civic_len;
+ res->ftm.civicloc = entry->buf + entry->lci_len;
+ }
+
+ /* we found the entry we needed */
+ break;
+ }
+}
+
+void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_tof_range_rsp_ntfy *fw_resp = (void *)pkt->data;
+ int i;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (!mvm->ftm_initiator.req) {
+ IWL_ERR(mvm, "Got FTM response but have no request?\n");
+ return;
+ }
+
+ if (fw_resp->request_id != (u8)mvm->ftm_initiator.req->cookie) {
+ IWL_ERR(mvm, "Request ID mismatch, got %u, active %u\n",
+ fw_resp->request_id,
+ (u8)mvm->ftm_initiator.req->cookie);
+ return;
+ }
+
+ if (fw_resp->num_of_aps > mvm->ftm_initiator.req->n_peers) {
+ IWL_ERR(mvm, "FTM range response invalid\n");
+ return;
+ }
+
+ for (i = 0; i < fw_resp->num_of_aps && i < IWL_MVM_TOF_MAX_APS; i++) {
+ struct iwl_tof_range_rsp_ap_entry_ntfy *fw_ap = &fw_resp->ap[i];
+ struct cfg80211_pmsr_result result = {};
+ int peer_idx;
+
+ peer_idx = iwl_mvm_ftm_find_peer(mvm->ftm_initiator.req,
+ fw_ap->bssid);
+ if (peer_idx < 0) {
+ IWL_WARN(mvm,
+ "Unknown address (%pM, target #%d) in FTM response.\n",
+ fw_ap->bssid, i);
+ continue;
+ }
+
+ switch (fw_ap->measure_status) {
+ case IWL_TOF_ENTRY_SUCCESS:
+ result.status = NL80211_PMSR_STATUS_SUCCESS;
+ break;
+ case IWL_TOF_ENTRY_TIMING_MEASURE_TIMEOUT:
+ result.status = NL80211_PMSR_STATUS_TIMEOUT;
+ break;
+ case IWL_TOF_ENTRY_NO_RESPONSE:
+ result.status = NL80211_PMSR_STATUS_FAILURE;
+ result.ftm.failure_reason =
+ NL80211_PMSR_FTM_FAILURE_NO_RESPONSE;
+ break;
+ case IWL_TOF_ENTRY_REQUEST_REJECTED:
+ result.status = NL80211_PMSR_STATUS_FAILURE;
+ result.ftm.failure_reason =
+ NL80211_PMSR_FTM_FAILURE_PEER_BUSY;
+ result.ftm.busy_retry_time = fw_ap->refusal_period;
+ break;
+ default:
+ result.status = NL80211_PMSR_STATUS_FAILURE;
+ result.ftm.failure_reason =
+ NL80211_PMSR_FTM_FAILURE_UNSPECIFIED;
+ break;
+ }
+ memcpy(result.addr, fw_ap->bssid, ETH_ALEN);
+ result.host_time = iwl_mvm_ftm_get_host_time(mvm,
+ fw_ap->timestamp);
+ result.type = NL80211_PMSR_TYPE_FTM;
+ result.ftm.burst_index = mvm->ftm_initiator.responses[peer_idx];
+ mvm->ftm_initiator.responses[peer_idx]++;
+ /*
+ * FIXME: the firmware needs to report this, we don't even know
+ * the number of bursts the responder picked (if we asked
+ * it to)
+ */
+ result.final = 0;
+ result.ftm.rssi_avg = fw_ap->rssi;
+ result.ftm.rssi_avg_valid = 1;
+ result.ftm.rssi_spread = fw_ap->rssi_spread;
+ result.ftm.rssi_spread_valid = 1;
+ result.ftm.rtt_avg = (s32)le32_to_cpu(fw_ap->rtt);
+ result.ftm.rtt_avg_valid = 1;
+ result.ftm.rtt_variance = le32_to_cpu(fw_ap->rtt_variance);
+ result.ftm.rtt_variance_valid = 1;
+ result.ftm.rtt_spread = le32_to_cpu(fw_ap->rtt_spread);
+ result.ftm.rtt_spread_valid = 1;
+
+ iwl_mvm_ftm_get_lci_civic(mvm, &result);
+
+ cfg80211_pmsr_report(mvm->ftm_initiator.req_wdev,
+ mvm->ftm_initiator.req,
+ &result, GFP_KERNEL);
+ }
+
+ if (fw_resp->last_in_batch) {
+ cfg80211_pmsr_complete(mvm->ftm_initiator.req_wdev,
+ mvm->ftm_initiator.req,
+ GFP_KERNEL);
+ iwl_mvm_ftm_reset(mvm);
+ }
+}
+
+void iwl_mvm_ftm_lc_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ const struct ieee80211_mgmt *mgmt = (void *)pkt->data;
+ size_t len = iwl_rx_packet_payload_len(pkt);
+ struct iwl_mvm_loc_entry *entry;
+ const u8 *ies, *lci, *civic, *msr_ie;
+ size_t ies_len, lci_len = 0, civic_len = 0;
+ size_t baselen = IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.ftm);
+ static const u8 rprt_type_lci = IEEE80211_SPCT_MSR_RPRT_TYPE_LCI;
+ static const u8 rprt_type_civic = IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC;
+
+ if (len <= baselen)
+ return;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ ies = mgmt->u.action.u.ftm.variable;
+ ies_len = len - baselen;
+
+ msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
+ &rprt_type_lci, 1, 4);
+ if (msr_ie) {
+ lci = msr_ie + 2;
+ lci_len = msr_ie[1];
+ }
+
+ msr_ie = cfg80211_find_ie_match(WLAN_EID_MEASURE_REPORT, ies, ies_len,
+ &rprt_type_civic, 1, 4);
+ if (msr_ie) {
+ civic = msr_ie + 2;
+ civic_len = msr_ie[1];
+ }
+
+ entry = kmalloc(sizeof(*entry) + lci_len + civic_len, GFP_KERNEL);
+ if (!entry)
+ return;
+
+ memcpy(entry->addr, mgmt->bssid, ETH_ALEN);
+
+ entry->lci_len = lci_len;
+ if (lci_len)
+ memcpy(entry->buf, lci, lci_len);
+
+ entry->civic_len = civic_len;
+ if (civic_len)
+ memcpy(entry->buf + lci_len, civic, civic_len);
+
+ list_add_tail(&entry->list, &mvm->ftm_initiator.loc_list);
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index cba1a0fe33ca..9377fca39edf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -184,6 +184,29 @@ static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
};
#endif
+static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = {
+ .max_peers = IWL_MVM_TOF_MAX_APS,
+ .report_ap_tsf = 1,
+ .randomize_mac_addr = 1,
+
+ .ftm = {
+ .supported = 1,
+ .asap = 1,
+ .non_asap = 1,
+ .request_lci = 1,
+ .request_civicloc = 1,
+ .max_bursts_exponent = -1, /* all supported */
+ .max_ftms_per_burst = 0, /* no limits */
+ .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80),
+ .preambles = BIT(NL80211_PREAMBLE_LEGACY) |
+ BIT(NL80211_PREAMBLE_HT) |
+ BIT(NL80211_PREAMBLE_VHT),
+ },
+};
+
void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
if (!iwl_mvm_is_d0i3_supported(mvm))
@@ -549,9 +572,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
}
if (fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_FTM_CALIBRATED))
+ IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) {
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
+ hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa;
+ }
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
hw->wiphy->features |=
@@ -1186,6 +1211,8 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
iwl_mvm_cleanup_roc_te(mvm);
ieee80211_remain_on_channel_expired(mvm->hw);
+ iwl_mvm_ftm_restart(mvm);
+
/*
* cleanup all interfaces, even inactive ones, as some might have
* gone down during the HW restart
@@ -4895,6 +4922,31 @@ iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
return 0;
}
+static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request *request)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ int ret;
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_ftm_start(mvm, vif, request);
+ mutex_unlock(&mvm->mutex);
+
+ return ret;
+}
+
+static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request *request)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ mutex_lock(&mvm->mutex);
+ iwl_mvm_ftm_abort(mvm, request);
+ mutex_unlock(&mvm->mutex);
+}
+
static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
{
u8 protocol = ip_hdr(skb)->protocol;
@@ -4998,6 +5050,8 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
.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,
+ .start_pmsr = iwl_mvm_start_pmsr,
+ .abort_pmsr = iwl_mvm_abort_pmsr,
.can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
#ifdef CONFIG_IWLWIFI_DEBUGFS
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 2bd330a093fb..e9873fc7bd2b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1151,6 +1151,12 @@ struct iwl_mvm {
struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
struct cfg80211_ftm_responder_stats ftm_resp_stats;
+ struct {
+ struct cfg80211_pmsr_request *req;
+ struct wireless_dev *req_wdev;
+ struct list_head loc_list;
+ int responses[IWL_MVM_TOF_MAX_APS];
+ } ftm_initiator;
struct ieee80211_vif *nan_vif;
#define IWL_MAX_BAID 32
@@ -2069,6 +2075,16 @@ void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm,
void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
+/* FTM initiator */
+void iwl_mvm_ftm_restart(struct iwl_mvm *mvm);
+void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
+void iwl_mvm_ftm_lc_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
+int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request *request);
+void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req);
+
/* TDLS */
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index d5644d252fe0..0c276124bf0f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -302,6 +302,12 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER_SYNC),
RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
+
+ RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
+ iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF,
+ iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
+
RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
@@ -693,6 +699,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
INIT_LIST_HEAD(&mvm->aux_roc_te_list);
INIT_LIST_HEAD(&mvm->async_handlers_list);
spin_lock_init(&mvm->time_event_lock);
+ INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 3b04e72315e1..f1f66e675ca1 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2118,6 +2118,8 @@ ieee80211_he_oper_size(const u8 *he_oper_ie)
#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
+#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
+#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
/* 802.11g ERP information element */
#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
--
2.20.1
