+++ /dev/null
-/******************************************************************************
- *
- * 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) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- * BSD LICENSE
- *
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * 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 "mvm.h"
-#include "fw-api-tof.h"
-#include "debugfs.h"
-
-static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- enum iwl_dbgfs_pm_mask param, int val)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
-
- dbgfs_pm->mask |= param;
-
- switch (param) {
- case MVM_DEBUGFS_PM_KEEP_ALIVE: {
- int dtimper = vif->bss_conf.dtim_period ?: 1;
- int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
-
- IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
- if (val * MSEC_PER_SEC < 3 * dtimper_msec)
- IWL_WARN(mvm,
- "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
- val * MSEC_PER_SEC, 3 * dtimper_msec);
- dbgfs_pm->keep_alive_seconds = val;
- break;
- }
- case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
- IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
- val ? "enabled" : "disabled");
- dbgfs_pm->skip_over_dtim = val;
- break;
- case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
- IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
- dbgfs_pm->skip_dtim_periods = val;
- break;
- case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
- IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
- dbgfs_pm->rx_data_timeout = val;
- break;
- case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
- IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
- dbgfs_pm->tx_data_timeout = val;
- break;
- case MVM_DEBUGFS_PM_LPRX_ENA:
- IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
- dbgfs_pm->lprx_ena = val;
- break;
- case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
- IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
- dbgfs_pm->lprx_rssi_threshold = val;
- break;
- case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
- IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
- dbgfs_pm->snooze_ena = val;
- break;
- case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING:
- IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val);
- dbgfs_pm->uapsd_misbehaving = val;
- break;
- case MVM_DEBUGFS_PM_USE_PS_POLL:
- IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val);
- dbgfs_pm->use_ps_poll = val;
- break;
- }
-}
-
-static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- enum iwl_dbgfs_pm_mask param;
- int val, ret;
-
- if (!strncmp("keep_alive=", buf, 11)) {
- if (sscanf(buf + 11, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_KEEP_ALIVE;
- } else if (!strncmp("skip_over_dtim=", buf, 15)) {
- if (sscanf(buf + 15, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
- } else if (!strncmp("skip_dtim_periods=", buf, 18)) {
- if (sscanf(buf + 18, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
- } else if (!strncmp("rx_data_timeout=", buf, 16)) {
- if (sscanf(buf + 16, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
- } else if (!strncmp("tx_data_timeout=", buf, 16)) {
- if (sscanf(buf + 16, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
- } else if (!strncmp("lprx=", buf, 5)) {
- if (sscanf(buf + 5, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_LPRX_ENA;
- } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
- if (sscanf(buf + 20, "%d", &val) != 1)
- return -EINVAL;
- if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
- POWER_LPRX_RSSI_THRESHOLD_MIN)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
- } else if (!strncmp("snooze_enable=", buf, 14)) {
- if (sscanf(buf + 14, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
- } else if (!strncmp("uapsd_misbehaving=", buf, 18)) {
- if (sscanf(buf + 18, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING;
- } else if (!strncmp("use_ps_poll=", buf, 12)) {
- if (sscanf(buf + 12, "%d", &val) != 1)
- return -EINVAL;
- param = MVM_DEBUGFS_PM_USE_PS_POLL;
- } else {
- return -EINVAL;
- }
-
- mutex_lock(&mvm->mutex);
- iwl_dbgfs_update_pm(mvm, vif, param, val);
- ret = iwl_mvm_power_update_mac(mvm);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- char buf[64];
- int bufsz = sizeof(buf);
- int pos;
-
- pos = scnprintf(buf, bufsz, "bss limit = %d\n",
- vif->bss_conf.txpower);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[512];
- int bufsz = sizeof(buf);
- int pos;
-
- pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u8 ap_sta_id;
- struct ieee80211_chanctx_conf *chanctx_conf;
- char buf[512];
- int bufsz = sizeof(buf);
- int pos = 0;
- int i;
-
- mutex_lock(&mvm->mutex);
-
- ap_sta_id = mvmvif->ap_sta_id;
-
- switch (ieee80211_vif_type_p2p(vif)) {
- case NL80211_IFTYPE_ADHOC:
- pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n");
- break;
- case NL80211_IFTYPE_STATION:
- pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n");
- break;
- case NL80211_IFTYPE_AP:
- pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n");
- break;
- case NL80211_IFTYPE_P2P_CLIENT:
- pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n");
- break;
- case NL80211_IFTYPE_P2P_GO:
- pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n");
- break;
- case NL80211_IFTYPE_P2P_DEVICE:
- pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n");
- break;
- default:
- break;
- }
-
- pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
- mvmvif->id, mvmvif->color);
- pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
- vif->bss_conf.bssid);
- pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
- for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++)
- pos += scnprintf(buf+pos, bufsz-pos,
- "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
- i, mvmvif->queue_params[i].txop,
- mvmvif->queue_params[i].cw_min,
- mvmvif->queue_params[i].cw_max,
- mvmvif->queue_params[i].aifs,
- mvmvif->queue_params[i].uapsd);
-
- if (vif->type == NL80211_IFTYPE_STATION &&
- ap_sta_id != IWL_MVM_STATION_COUNT) {
- struct ieee80211_sta *sta;
-
- sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
- lockdep_is_held(&mvm->mutex));
- if (!IS_ERR_OR_NULL(sta)) {
- struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
-
- pos += scnprintf(buf+pos, bufsz-pos,
- "ap_sta_id %d - reduced Tx power %d\n",
- ap_sta_id,
- mvm_sta->bt_reduced_txpower);
- }
- }
-
- rcu_read_lock();
- chanctx_conf = rcu_dereference(vif->chanctx_conf);
- if (chanctx_conf)
- pos += scnprintf(buf+pos, bufsz-pos,
- "idle rx chains %d, active rx chains: %d\n",
- chanctx_conf->rx_chains_static,
- chanctx_conf->rx_chains_dynamic);
- rcu_read_unlock();
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
- enum iwl_dbgfs_bf_mask param, int value)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
-
- dbgfs_bf->mask |= param;
-
- switch (param) {
- case MVM_DEBUGFS_BF_ENERGY_DELTA:
- dbgfs_bf->bf_energy_delta = value;
- break;
- case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
- dbgfs_bf->bf_roaming_energy_delta = value;
- break;
- case MVM_DEBUGFS_BF_ROAMING_STATE:
- dbgfs_bf->bf_roaming_state = value;
- break;
- case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
- dbgfs_bf->bf_temp_threshold = value;
- break;
- case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
- dbgfs_bf->bf_temp_fast_filter = value;
- break;
- case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
- dbgfs_bf->bf_temp_slow_filter = value;
- break;
- case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
- dbgfs_bf->bf_enable_beacon_filter = value;
- break;
- case MVM_DEBUGFS_BF_DEBUG_FLAG:
- dbgfs_bf->bf_debug_flag = value;
- break;
- case MVM_DEBUGFS_BF_ESCAPE_TIMER:
- dbgfs_bf->bf_escape_timer = value;
- break;
- case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
- dbgfs_bf->ba_enable_beacon_abort = value;
- break;
- case MVM_DEBUGFS_BA_ESCAPE_TIMER:
- dbgfs_bf->ba_escape_timer = value;
- break;
- }
-}
-
-static ssize_t iwl_dbgfs_bf_params_write(struct ieee80211_vif *vif, char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- enum iwl_dbgfs_bf_mask param;
- int value, ret = 0;
-
- if (!strncmp("bf_energy_delta=", buf, 16)) {
- if (sscanf(buf+16, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_ENERGY_DELTA_MIN ||
- value > IWL_BF_ENERGY_DELTA_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_ENERGY_DELTA;
- } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
- if (sscanf(buf+24, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
- value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
- } else if (!strncmp("bf_roaming_state=", buf, 17)) {
- if (sscanf(buf+17, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_ROAMING_STATE_MIN ||
- value > IWL_BF_ROAMING_STATE_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_ROAMING_STATE;
- } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
- if (sscanf(buf+18, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
- value > IWL_BF_TEMP_THRESHOLD_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_TEMP_THRESHOLD;
- } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) {
- if (sscanf(buf+20, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
- value > IWL_BF_TEMP_FAST_FILTER_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER;
- } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) {
- if (sscanf(buf+20, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
- value > IWL_BF_TEMP_SLOW_FILTER_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER;
- } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
- if (sscanf(buf+24, "%d", &value) != 1)
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
- } else if (!strncmp("bf_debug_flag=", buf, 14)) {
- if (sscanf(buf+14, "%d", &value) != 1)
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_DEBUG_FLAG;
- } else if (!strncmp("bf_escape_timer=", buf, 16)) {
- if (sscanf(buf+16, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BF_ESCAPE_TIMER_MIN ||
- value > IWL_BF_ESCAPE_TIMER_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
- } else if (!strncmp("ba_escape_timer=", buf, 16)) {
- if (sscanf(buf+16, "%d", &value) != 1)
- return -EINVAL;
- if (value < IWL_BA_ESCAPE_TIMER_MIN ||
- value > IWL_BA_ESCAPE_TIMER_MAX)
- return -EINVAL;
- param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
- } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
- if (sscanf(buf+23, "%d", &value) != 1)
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
- param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
- } else {
- return -EINVAL;
- }
-
- mutex_lock(&mvm->mutex);
- iwl_dbgfs_update_bf(vif, param, value);
- if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value)
- ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
- else
- ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[256];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct iwl_beacon_filter_cmd cmd = {
- IWL_BF_CMD_CONFIG_DEFAULTS,
- .bf_enable_beacon_filter =
- cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT),
- .ba_enable_beacon_abort =
- cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT),
- };
-
- iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
- if (mvmvif->bf_data.bf_enabled)
- cmd.bf_enable_beacon_filter = cpu_to_le32(1);
- else
- cmd.bf_enable_beacon_filter = 0;
-
- pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
- le32_to_cpu(cmd.bf_energy_delta));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
- le32_to_cpu(cmd.bf_roaming_energy_delta));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
- le32_to_cpu(cmd.bf_roaming_state));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n",
- le32_to_cpu(cmd.bf_temp_threshold));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n",
- le32_to_cpu(cmd.bf_temp_fast_filter));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n",
- le32_to_cpu(cmd.bf_temp_slow_filter));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
- le32_to_cpu(cmd.bf_enable_beacon_filter));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
- le32_to_cpu(cmd.bf_debug_flag));
- pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
- le32_to_cpu(cmd.bf_escape_timer));
- pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
- le32_to_cpu(cmd.ba_escape_timer));
- pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
- le32_to_cpu(cmd.ba_enable_beacon_abort));
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static inline char *iwl_dbgfs_is_match(char *name, char *buf)
-{
- int len = strlen(name);
-
- return !strncmp(name, buf, len) ? buf + len : NULL;
-}
-
-static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
- char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u32 value;
- int ret = -EINVAL;
- char *data;
-
- mutex_lock(&mvm->mutex);
-
- data = iwl_dbgfs_is_match("tof_disabled=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.tof_cfg.tof_disabled = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("one_sided_disabled=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.tof_cfg.one_sided_disabled = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("is_debug_mode=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.tof_cfg.is_debug_mode = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("is_buf=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.tof_cfg.is_buf_required = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("send_tof_cfg=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value) {
- ret = iwl_mvm_tof_config_cmd(mvm);
- goto out;
- }
- }
-
-out:
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tof_enable_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[256];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct iwl_tof_config_cmd *cmd;
-
- cmd = &mvm->tof_data.tof_cfg;
-
- mutex_lock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n",
- cmd->tof_disabled);
- pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n",
- cmd->one_sided_disabled);
- pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n",
- cmd->is_debug_mode);
- pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n",
- cmd->is_buf_required);
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
- char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u32 value;
- int ret = 0;
- char *data;
-
- mutex_lock(&mvm->mutex);
-
- data = iwl_dbgfs_is_match("burst_period=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (!ret)
- mvm->tof_data.responder_cfg.burst_period =
- cpu_to_le16(value);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.min_delta_ftm = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("burst_duration=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.burst_duration = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("num_of_burst_exp=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.num_of_burst_exp = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("abort_responder=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.abort_responder = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("get_ch_est=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.get_ch_est = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("recv_sta_req_params=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.recv_sta_req_params = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("channel_num=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.channel_num = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("bandwidth=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.bandwidth = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("rate=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.rate = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("bssid=", buf);
- if (data) {
- u8 *mac = mvm->tof_data.responder_cfg.bssid;
-
- if (!mac_pton(data, mac)) {
- ret = -EINVAL;
- goto out;
- }
- }
-
- data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.tsf_timer_offset_msecs =
- cpu_to_le16(value);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("toa_offset=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.toa_offset =
- cpu_to_le16(value);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("center_freq=", buf);
- if (data) {
- struct iwl_tof_responder_config_cmd *cmd =
- &mvm->tof_data.responder_cfg;
-
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value) {
- enum ieee80211_band band = (cmd->channel_num <= 14) ?
- IEEE80211_BAND_2GHZ :
- IEEE80211_BAND_5GHZ;
- struct ieee80211_channel chn = {
- .band = band,
- .center_freq = ieee80211_channel_to_frequency(
- cmd->channel_num, band),
- };
- struct cfg80211_chan_def chandef = {
- .chan = &chn,
- .center_freq1 =
- ieee80211_channel_to_frequency(value,
- band),
- };
-
- cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef);
- }
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ftm_per_burst=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.ftm_per_burst = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("asap_mode=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.responder_cfg.asap_mode = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("send_responder_cfg=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value) {
- ret = iwl_mvm_tof_responder_cmd(mvm, vif);
- goto out;
- }
- }
-
-out:
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[256];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct iwl_tof_responder_config_cmd *cmd;
-
- cmd = &mvm->tof_data.responder_cfg;
-
- mutex_lock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n",
- le16_to_cpu(cmd->burst_period));
- pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n",
- cmd->burst_duration);
- pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n",
- cmd->bandwidth);
- pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n",
- cmd->channel_num);
- pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n",
- cmd->ctrl_ch_position);
- pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n",
- cmd->bssid);
- pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n",
- cmd->min_delta_ftm);
- pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n",
- cmd->num_of_burst_exp);
- pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate);
- pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n",
- cmd->abort_responder);
- pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n",
- cmd->get_ch_est);
- pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n",
- cmd->recv_sta_req_params);
- pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n",
- cmd->ftm_per_burst);
- pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n",
- cmd->ftm_resp_ts_avail);
- pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n",
- cmd->asap_mode);
- pos += scnprintf(buf + pos, bufsz - pos,
- "tsf_timer_offset_msecs = %d\n",
- le16_to_cpu(cmd->tsf_timer_offset_msecs));
- pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n",
- le16_to_cpu(cmd->toa_offset));
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
- char *buf, size_t count,
- loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u32 value;
- int ret = 0;
- char *data;
-
- mutex_lock(&mvm->mutex);
-
- data = iwl_dbgfs_is_match("request_id=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.request_id = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("initiator=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.initiator = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("one_sided_los_disable=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.one_sided_los_disable = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("req_timeout=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.req_timeout = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("report_policy=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.report_policy = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("macaddr_random=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.macaddr_random = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("num_of_ap=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req.num_of_ap = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("macaddr_template=", buf);
- if (data) {
- u8 mac[ETH_ALEN];
-
- if (!mac_pton(data, mac)) {
- ret = -EINVAL;
- goto out;
- }
- memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("macaddr_mask=", buf);
- if (data) {
- u8 mac[ETH_ALEN];
-
- if (!mac_pton(data, mac)) {
- ret = -EINVAL;
- goto out;
- }
- memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ap=", buf);
- if (data) {
- struct iwl_tof_range_req_ap_entry ap = {};
- int size = sizeof(struct iwl_tof_range_req_ap_entry);
- u16 burst_period;
- u8 *mac = ap.bssid;
- unsigned int i;
-
- if (sscanf(data, "%u %hhd %hhd %hhd"
- "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
- "%hhd %hhd %hd"
- "%hhd %hhd %d"
- "%hhx %hhd %hhd %hhd",
- &i, &ap.channel_num, &ap.bandwidth,
- &ap.ctrl_ch_position,
- mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
- &ap.measure_type, &ap.num_of_bursts,
- &burst_period,
- &ap.samples_per_burst, &ap.retries_per_sample,
- &ap.tsf_delta, &ap.location_req, &ap.asap_mode,
- &ap.enable_dyn_ack, &ap.rssi) != 20) {
- ret = -EINVAL;
- goto out;
- }
- if (i >= IWL_MVM_TOF_MAX_APS) {
- IWL_ERR(mvm, "Invalid AP index %d\n", i);
- ret = -EINVAL;
- goto out;
- }
-
- ap.burst_period = cpu_to_le16(burst_period);
-
- memcpy(&mvm->tof_data.range_req.ap[i], &ap, size);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("send_range_request=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value)
- ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
- goto out;
- }
-
- ret = -EINVAL;
-out:
- mutex_unlock(&mvm->mutex);
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[512];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct iwl_tof_range_req_cmd *cmd;
- int i;
-
- cmd = &mvm->tof_data.range_req;
-
- mutex_lock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n",
- cmd->request_id);
- pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n",
- cmd->initiator);
- pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n",
- cmd->one_sided_los_disable);
- pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n",
- cmd->req_timeout);
- pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n",
- cmd->report_policy);
- pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n",
- cmd->macaddr_random);
- pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n",
- cmd->macaddr_template);
- pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n",
- cmd->macaddr_mask);
- pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n",
- cmd->num_of_ap);
- for (i = 0; i < cmd->num_of_ap; i++) {
- struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
-
- pos += scnprintf(buf + pos, bufsz - pos,
- "ap %.2d: channel_num=%hhd bw=%hhd"
- " control=%hhd bssid=%pM type=%hhd"
- " num_of_bursts=%hhd burst_period=%hd ftm=%hhd"
- " retries=%hhd tsf_delta=%d"
- " tsf_delta_direction=%hhd location_req=0x%hhx "
- " asap=%hhd enable=%hhd rssi=%hhd\n",
- i, ap->channel_num, ap->bandwidth,
- ap->ctrl_ch_position, ap->bssid,
- ap->measure_type, ap->num_of_bursts,
- ap->burst_period, ap->samples_per_burst,
- ap->retries_per_sample, ap->tsf_delta,
- ap->tsf_delta_direction,
- ap->location_req, ap->asap_mode,
- ap->enable_dyn_ack, ap->rssi);
- }
-
- mutex_unlock(&mvm->mutex);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
- char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u32 value;
- int ret = 0;
- char *data;
-
- mutex_lock(&mvm->mutex);
-
- data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req_ext.tsf_timer_offset_msec =
- cpu_to_le16(value);
- goto out;
- }
-
- data = iwl_dbgfs_is_match("min_delta_ftm=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req_ext.min_delta_ftm = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req_ext.ftm_format_and_bw20M =
- value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req_ext.ftm_format_and_bw40M =
- value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.range_req_ext.ftm_format_and_bw80M =
- value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value)
- ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
- goto out;
- }
-
- ret = -EINVAL;
-out:
- mutex_unlock(&mvm->mutex);
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[256];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- struct iwl_tof_range_req_ext_cmd *cmd;
-
- cmd = &mvm->tof_data.range_req_ext;
-
- mutex_lock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos,
- "tsf_timer_offset_msec = %hd\n",
- cmd->tsf_timer_offset_msec);
- pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n",
- cmd->min_delta_ftm);
- pos += scnprintf(buf + pos, bufsz - pos,
- "ftm_format_and_bw20M = %hhd\n",
- cmd->ftm_format_and_bw20M);
- pos += scnprintf(buf + pos, bufsz - pos,
- "ftm_format_and_bw40M = %hhd\n",
- cmd->ftm_format_and_bw40M);
- pos += scnprintf(buf + pos, bufsz - pos,
- "ftm_format_and_bw80M = %hhd\n",
- cmd->ftm_format_and_bw80M);
-
- mutex_unlock(&mvm->mutex);
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
- char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u32 value;
- int abort_id, ret = 0;
- char *data;
-
- mutex_lock(&mvm->mutex);
-
- data = iwl_dbgfs_is_match("abort_id=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0)
- mvm->tof_data.last_abort_id = value;
- goto out;
- }
-
- data = iwl_dbgfs_is_match("send_range_abort=", buf);
- if (data) {
- ret = kstrtou32(data, 10, &value);
- if (ret == 0 && value) {
- abort_id = mvm->tof_data.last_abort_id;
- ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id);
- goto out;
- }
- }
-
-out:
- mutex_unlock(&mvm->mutex);
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char buf[32];
- int pos = 0;
- const size_t bufsz = sizeof(buf);
- int last_abort_id;
-
- mutex_lock(&mvm->mutex);
- last_abort_id = mvm->tof_data.last_abort_id;
- mutex_unlock(&mvm->mutex);
-
- pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n",
- last_abort_id);
- return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
-static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- char *buf;
- int pos = 0;
- const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256;
- struct iwl_tof_range_rsp_ntfy *cmd;
- int i, ret;
-
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&mvm->mutex);
- cmd = &mvm->tof_data.range_resp;
-
- pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n",
- cmd->request_id);
- pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n",
- cmd->request_status);
- pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n",
- cmd->last_in_batch);
- pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n",
- cmd->num_of_aps);
- for (i = 0; i < cmd->num_of_aps; i++) {
- struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
-
- pos += scnprintf(buf + pos, bufsz - pos,
- "ap %.2d: bssid=%pM status=%hhd bw=%hhd"
- " rtt=%d rtt_var=%d rtt_spread=%d"
- " rssi=%hhd rssi_spread=%hhd"
- " range=%d range_var=%d"
- " time_stamp=%d\n",
- i, ap->bssid, ap->measure_status,
- ap->measure_bw,
- ap->rtt, ap->rtt_variance, ap->rtt_spread,
- ap->rssi, ap->rssi_spread, ap->range,
- ap->range_variance, ap->timestamp);
- }
- mutex_unlock(&mvm->mutex);
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- return ret;
-}
-
-static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- u8 value;
- int ret;
-
- ret = kstrtou8(buf, 0, &value);
- if (ret)
- return ret;
- if (value > 1)
- return -EINVAL;
-
- mutex_lock(&mvm->mutex);
- iwl_mvm_update_low_latency(mvm, vif, value);
- mutex_unlock(&mvm->mutex);
-
- return count;
-}
-
-static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[2];
-
- buf[0] = mvmvif->low_latency ? '1' : '0';
- buf[1] = '\n';
- return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
-}
-
-static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[20];
- int len;
-
- len = sprintf(buf, "%pM\n", mvmvif->uapsd_misbehaving_bssid);
- return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
- char *buf, size_t count,
- loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- bool ret;
-
- mutex_lock(&mvm->mutex);
- ret = mac_pton(buf, mvmvif->uapsd_misbehaving_bssid);
- mutex_unlock(&mvm->mutex);
-
- return ret ? count : -EINVAL;
-}
-
-static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
- size_t count, loff_t *ppos)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mvm *mvm = mvmvif->mvm;
- struct ieee80211_chanctx_conf *chanctx_conf;
- struct iwl_mvm_phy_ctxt *phy_ctxt;
- u16 value;
- int ret;
-
- ret = kstrtou16(buf, 0, &value);
- if (ret)
- return ret;
-
- mutex_lock(&mvm->mutex);
- rcu_read_lock();
-
- chanctx_conf = rcu_dereference(vif->chanctx_conf);
- /* make sure the channel context is assigned */
- if (!chanctx_conf) {
- rcu_read_unlock();
- mutex_unlock(&mvm->mutex);
- return -EINVAL;
- }
-
- phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
- rcu_read_unlock();
-
- mvm->dbgfs_rx_phyinfo = value;
-
- ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
- chanctx_conf->rx_chains_static,
- chanctx_conf->rx_chains_dynamic);
- mutex_unlock(&mvm->mutex);
-
- return ret ?: count;
-}
-
-static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_vif *vif = file->private_data;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[8];
-
- snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
-}
-
-#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
-#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
-#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
- if (!debugfs_create_file(#name, mode, parent, vif, \
- &iwl_dbgfs_##name##_ops)) \
- goto err; \
- } while (0)
-
-MVM_DEBUGFS_READ_FILE_OPS(mac_params);
-MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
-MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
-MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
-
-void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
-{
- struct dentry *dbgfs_dir = vif->debugfs_dir;
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[100];
-
- /*
- * Check if debugfs directory already exist before creating it.
- * This may happen when, for example, resetting hw or suspend-resume
- */
- if (!dbgfs_dir || mvmvif->dbgfs_dir)
- return;
-
- mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
-
- if (!mvmvif->dbgfs_dir) {
- IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
- dbgfs_dir->d_name.name);
- return;
- }
-
- if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
- ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
- (vif->type == NL80211_IFTYPE_STATION && vif->p2p &&
- mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)))
- MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
- S_IRUSR);
-
- MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
-
- if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
- mvmvif == mvm->bf_allowed_vif)
- MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
-
- if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) &&
- !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) {
- if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP)
- MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params,
- mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
-
- MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir,
- S_IRUSR | S_IWUSR);
- MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir,
- S_IRUSR);
- }
-
- /*
- * Create symlink for convenience pointing to interface specific
- * debugfs entries for the driver. For example, under
- * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
- * find
- * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
- */
- snprintf(buf, 100, "../../../%s/%s/%s/%s",
- dbgfs_dir->d_parent->d_parent->d_name.name,
- dbgfs_dir->d_parent->d_name.name,
- dbgfs_dir->d_name.name,
- mvmvif->dbgfs_dir->d_name.name);
-
- mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
- mvm->debugfs_dir, buf);
- if (!mvmvif->dbgfs_slink)
- IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
- dbgfs_dir->d_name.name);
- return;
-err:
- IWL_ERR(mvm, "Can't create debugfs entity\n");
-}
-
-void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-
- debugfs_remove(mvmvif->dbgfs_slink);
- mvmvif->dbgfs_slink = NULL;
-
- debugfs_remove_recursive(mvmvif->dbgfs_dir);
- mvmvif->dbgfs_dir = NULL;
-}
projects / cascardo / linux.git / blobdiff