| /****************************************************************************** |
| * |
| * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
| * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
| * Copyright(c) 2016 - 2017 Intel Deutschland GmbH |
| * Copyright(c) 2018 Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| *****************************************************************************/ |
| #include "debugfs.h" |
| #include "fw/api/tof.h" |
| #include "mvm.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); |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| |
| mutex_lock(&mvm->mutex); |
| if (mvmvif->phy_ctxt) |
| pos += scnprintf(buf + pos, bufsz - pos, "fm limit = %d\n", |
| mvmvif->phy_ctxt->fm_tx_power_limit); |
| mutex_unlock(&mvm->mutex); |
| } |
| #endif |
| |
| 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; |
| uint8_t 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; |
| case NL80211_IFTYPE_NAN: |
| pos += scnprintf(buf + pos, bufsz - pos, "type: NAN\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, "Load: %d\n", mvm->tcm.result.load[mvmvif->id]); |
| 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_INVALID_STA) { |
| struct iwl_mvm_sta* mvm_sta; |
| |
| mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); |
| if (mvm_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_os_device_timediff_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; |
| uint32_t curr_gp2; |
| uint64_t curr_os; |
| s64 diff; |
| char buf[64]; |
| const size_t bufsz = sizeof(buf); |
| int pos = 0; |
| |
| iwl_mvm_get_sync_time(mvm, &curr_gp2, &curr_os); |
| do_div(curr_os, NSEC_PER_USEC); |
| diff = curr_os - curr_gp2; |
| pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| } |
| |
| 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; |
| uint32_t 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; |
| uint32_t 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) { |
| uint8_t* 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 nl80211_band band = |
| (cmd->channel_num <= 14) ? NL80211_BAND_2GHZ : NL80211_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; |
| uint32_t 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) { |
| uint8_t 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) { |
| uint8_t 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); |
| uint16_t burst_period; |
| uint8_t* 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; |
| uint32_t 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; |
| uint32_t 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; |
| uint8_t 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, LOW_LATENCY_DEBUGFS); |
| 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[30] = {}; |
| int len; |
| |
| len = scnprintf(buf, sizeof(buf) - 1, "traffic=%d\ndbgfs=%d\nvcmd=%d\nvif_type=%d\n", |
| !!(mvmvif->low_latency & LOW_LATENCY_TRAFFIC), |
| !!(mvmvif->low_latency & LOW_LATENCY_DEBUGFS), |
| !!(mvmvif->low_latency & LOW_LATENCY_VCMD), |
| !!(mvmvif->low_latency & LOW_LATENCY_VIF_TYPE)); |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| 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; |
| uint16_t 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[*(uint16_t*)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]; |
| int len; |
| |
| len = scnprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static void iwl_dbgfs_quota_check(void* data, uint8_t* mac, struct ieee80211_vif* vif) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| int* ret = data; |
| |
| if (mvmvif->dbgfs_quota_min) { *ret = -EINVAL; } |
| } |
| |
| static ssize_t iwl_dbgfs_quota_min_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; |
| uint16_t value; |
| int ret; |
| |
| #ifdef CPTCFG_IWLMVM_ADVANCED_QUOTA_MGMT |
| /* not yet supported in that code */ |
| if (!IWL_MVM_DYNQUOTA_DISABLED) { return -EINVAL; } |
| #endif |
| |
| ret = kstrtou16(buf, 0, &value); |
| if (ret) { return ret; } |
| |
| if (value > 95) { return -EINVAL; } |
| |
| mutex_lock(&mvm->mutex); |
| |
| mvmvif->dbgfs_quota_min = 0; |
| ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_dbgfs_quota_check, &ret); |
| if (ret == 0) { |
| mvmvif->dbgfs_quota_min = value; |
| iwl_mvm_update_quotas(mvm, false, NULL); |
| } |
| mutex_unlock(&mvm->mutex); |
| |
| return ret ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_quota_min_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[10]; |
| int len; |
| |
| len = scnprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| static ssize_t iwl_dbgfs_twt_setup_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 iwl_dhc_twt_operation* dhc_twt_cmd; |
| struct iwl_dhc_cmd* cmd; |
| |
| uint32_t twt_operation; |
| uint64_t target_wake_time; |
| uint32_t interval_exp; |
| uint32_t interval_mantissa; |
| uint32_t min_wake_duration; |
| uint8_t trigger; |
| uint8_t flow_type; |
| uint8_t flow_id; |
| uint8_t protection; |
| int ret; |
| |
| ret = sscanf(buf, "%u %llu %u %u %u %hhu %hhu %hhu %hhu", &twt_operation, &target_wake_time, |
| &interval_exp, &interval_mantissa, &min_wake_duration, &trigger, &flow_type, |
| &flow_id, &protection); |
| |
| if (ret != 9) { return -EINVAL; } |
| |
| cmd = kzalloc(sizeof(*cmd) + sizeof(*dhc_twt_cmd), GFP_KERNEL); |
| if (!cmd) { return -ENOMEM; } |
| |
| dhc_twt_cmd = (void*)cmd->data; |
| dhc_twt_cmd->mac_id = cpu_to_le32(mvmvif->id); |
| dhc_twt_cmd->twt_operation = cpu_to_le32(twt_operation); |
| dhc_twt_cmd->target_wake_time = cpu_to_le64(target_wake_time); |
| dhc_twt_cmd->interval_exp = cpu_to_le32(interval_exp); |
| dhc_twt_cmd->interval_mantissa = cpu_to_le32(interval_mantissa); |
| dhc_twt_cmd->min_wake_duration = cpu_to_le32(min_wake_duration); |
| dhc_twt_cmd->trigger = trigger; |
| dhc_twt_cmd->flow_type = flow_type; |
| dhc_twt_cmd->flow_id = flow_id; |
| dhc_twt_cmd->protection = protection; |
| |
| cmd->length = cpu_to_le32(sizeof(*dhc_twt_cmd) >> 2); |
| cmd->index_and_mask = |
| cpu_to_le32(DHC_TABLE_INTEGRATION | DHC_TARGET_UMAC | DHC_INT_UMAC_TWT_OPERATION); |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(DEBUG_HOST_COMMAND, IWL_ALWAYS_LONG_GROUP, 0), 0, |
| sizeof(*cmd) + sizeof(*dhc_twt_cmd), cmd); |
| mutex_unlock(&mvm->mutex); |
| kfree(cmd); |
| |
| return ret ?: count; |
| } |
| #endif /* CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED */ |
| |
| #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); |
| MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32); |
| MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff); |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| MVM_DEBUGFS_WRITE_FILE_OPS(twt_setup, 256); |
| #endif |
| |
| 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) { |
| #if LINUX_VERSION_IS_GEQ(3, 12, 0) |
| IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n", dbgfs_dir); |
| #else |
| IWL_ERR(mvm, "Failed to create debugfs directory under %s\n", dbgfs_dir->d_name.name); |
| #endif |
| 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_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, 0600); |
| } |
| |
| MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, 0400); |
| MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, 0400); |
| MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff, mvmvif->dbgfs_dir, 0400); |
| |
| if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && mvmvif == mvm->bf_allowed_vif) { |
| MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, 0600); |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| if (vif->type == NL80211_IFTYPE_STATION) { |
| MVM_DEBUGFS_ADD_FILE_VIF(twt_setup, mvmvif->dbgfs_dir, S_IWUSR); |
| } |
| #endif |
| |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) && !vif->p2p && |
| (vif->type != NL80211_IFTYPE_P2P_DEVICE) && (vif->type != NL80211_IFTYPE_NAN)) { |
| if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP) { |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params, mvmvif->dbgfs_dir, 0600); |
| } |
| |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir, 0400); |
| } |
| |
| /* |
| * 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/ |
| */ |
| #if LINUX_VERSION_IS_GEQ(3, 12, 0) |
| snprintf(buf, 100, "../../../%pd3/%pd", dbgfs_dir, mvmvif->dbgfs_dir); |
| #else |
| 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); |
| #endif |
| |
| mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, mvm->debugfs_dir, buf); |
| if (!mvmvif->dbgfs_slink) |
| #if LINUX_VERSION_IS_GEQ(3, 12, 0) |
| IWL_ERR(mvm, "Can't create debugfs symbolic link under %pd\n", dbgfs_dir); |
| #else |
| IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n", dbgfs_dir->d_name.name); |
| #endif |
| 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; |
| } |
