diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | 1483 |
1 files changed, 0 insertions, 1483 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c deleted file mode 100644 index 7904b41a0..000000000 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c +++ /dev/null @@ -1,1483 +0,0 @@ -/****************************************************************************** - * - * 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; -} |