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iwlwifi: mvm: support FTM initiator

Browse Source 
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@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2018-12-05 11:33:34 +01:00 committed by Luca Coelho
parent b73f9a4ae7
commit fc36ffda32
8 changed files with 552 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/intel/iwlwifi/fw/api/location.h
View File

@ -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

3
drivers/net/wireless/intel/iwlwifi/mvm/Makefile
View File

@ -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

3
drivers/net/wireless/intel/iwlwifi/mvm/constants.h
View File

@ -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 */

459
drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c Normal file
View File

@ -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@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
* 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);
}

56
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -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

16
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -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 */
/*

7
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -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);

2
include/linux/ieee80211.h
View File

@ -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)