606 lines
20 KiB
C
606 lines
20 KiB
C
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/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#include "mvm.h"
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#include "debugfs.h"
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static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif,
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enum iwl_dbgfs_pm_mask param, int val)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
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dbgfs_pm->mask |= param;
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switch (param) {
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case MVM_DEBUGFS_PM_KEEP_ALIVE: {
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int dtimper = vif->bss_conf.dtim_period ?: 1;
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int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
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IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
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if (val * MSEC_PER_SEC < 3 * dtimper_msec)
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IWL_WARN(mvm,
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"debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
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val * MSEC_PER_SEC, 3 * dtimper_msec);
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dbgfs_pm->keep_alive_seconds = val;
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break;
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}
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case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
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IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
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val ? "enabled" : "disabled");
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dbgfs_pm->skip_over_dtim = val;
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break;
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case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
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IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
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dbgfs_pm->skip_dtim_periods = val;
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break;
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case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
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IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
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dbgfs_pm->rx_data_timeout = val;
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break;
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case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
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IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
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dbgfs_pm->tx_data_timeout = val;
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break;
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case MVM_DEBUGFS_PM_LPRX_ENA:
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IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
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dbgfs_pm->lprx_ena = val;
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break;
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case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
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IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
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dbgfs_pm->lprx_rssi_threshold = val;
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break;
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case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
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IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
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dbgfs_pm->snooze_ena = val;
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break;
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case MVM_DEBUGFS_PM_UAPSD_MISBEHAVING:
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IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val);
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dbgfs_pm->uapsd_misbehaving = val;
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break;
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case MVM_DEBUGFS_PM_USE_PS_POLL:
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IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val);
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dbgfs_pm->use_ps_poll = val;
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break;
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}
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}
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static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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struct iwl_mvm *mvm = mvmvif->mvm;
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enum iwl_dbgfs_pm_mask param;
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int val, ret;
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if (!strncmp("keep_alive=", buf, 11)) {
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if (sscanf(buf + 11, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_KEEP_ALIVE;
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} else if (!strncmp("skip_over_dtim=", buf, 15)) {
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if (sscanf(buf + 15, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
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} else if (!strncmp("skip_dtim_periods=", buf, 18)) {
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if (sscanf(buf + 18, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
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} else if (!strncmp("rx_data_timeout=", buf, 16)) {
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if (sscanf(buf + 16, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
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} else if (!strncmp("tx_data_timeout=", buf, 16)) {
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if (sscanf(buf + 16, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
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} else if (!strncmp("lprx=", buf, 5)) {
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if (sscanf(buf + 5, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_LPRX_ENA;
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} else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
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if (sscanf(buf + 20, "%d", &val) != 1)
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return -EINVAL;
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if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
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POWER_LPRX_RSSI_THRESHOLD_MIN)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
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} else if (!strncmp("snooze_enable=", buf, 14)) {
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if (sscanf(buf + 14, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
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} else if (!strncmp("uapsd_misbehaving=", buf, 18)) {
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if (sscanf(buf + 18, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING;
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} else if (!strncmp("use_ps_poll=", buf, 12)) {
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if (sscanf(buf + 12, "%d", &val) != 1)
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return -EINVAL;
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param = MVM_DEBUGFS_PM_USE_PS_POLL;
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} else {
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return -EINVAL;
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}
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mutex_lock(&mvm->mutex);
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iwl_dbgfs_update_pm(mvm, vif, param, val);
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ret = iwl_mvm_power_update_mac(mvm);
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mutex_unlock(&mvm->mutex);
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return ret ?: count;
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}
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static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_vif *vif = file->private_data;
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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struct iwl_mvm *mvm = mvmvif->mvm;
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char buf[512];
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int bufsz = sizeof(buf);
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int pos;
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pos = iwl_mvm_power_mac_dbgfs_read(mvm, vif, buf, bufsz);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_vif *vif = file->private_data;
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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struct iwl_mvm *mvm = mvmvif->mvm;
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u8 ap_sta_id;
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struct ieee80211_chanctx_conf *chanctx_conf;
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char buf[512];
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int bufsz = sizeof(buf);
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int pos = 0;
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int i;
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mutex_lock(&mvm->mutex);
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ap_sta_id = mvmvif->ap_sta_id;
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switch (ieee80211_vif_type_p2p(vif)) {
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case NL80211_IFTYPE_ADHOC:
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pos += scnprintf(buf+pos, bufsz-pos, "type: ibss\n");
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break;
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case NL80211_IFTYPE_STATION:
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pos += scnprintf(buf+pos, bufsz-pos, "type: bss\n");
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break;
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case NL80211_IFTYPE_AP:
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pos += scnprintf(buf+pos, bufsz-pos, "type: ap\n");
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break;
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case NL80211_IFTYPE_P2P_CLIENT:
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pos += scnprintf(buf+pos, bufsz-pos, "type: p2p client\n");
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break;
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case NL80211_IFTYPE_P2P_GO:
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pos += scnprintf(buf+pos, bufsz-pos, "type: p2p go\n");
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break;
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case NL80211_IFTYPE_P2P_DEVICE:
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pos += scnprintf(buf+pos, bufsz-pos, "type: p2p dev\n");
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break;
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default:
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break;
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}
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pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
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mvmvif->id, mvmvif->color);
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pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
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vif->bss_conf.bssid);
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pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
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for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++)
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pos += scnprintf(buf+pos, bufsz-pos,
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"\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
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i, mvmvif->queue_params[i].txop,
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mvmvif->queue_params[i].cw_min,
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mvmvif->queue_params[i].cw_max,
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mvmvif->queue_params[i].aifs,
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mvmvif->queue_params[i].uapsd);
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if (vif->type == NL80211_IFTYPE_STATION &&
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ap_sta_id != IWL_MVM_STATION_COUNT) {
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struct ieee80211_sta *sta;
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sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
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lockdep_is_held(&mvm->mutex));
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if (!IS_ERR_OR_NULL(sta)) {
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struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
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pos += scnprintf(buf+pos, bufsz-pos,
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"ap_sta_id %d - reduced Tx power %d\n",
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ap_sta_id,
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mvm_sta->bt_reduced_txpower);
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}
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}
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rcu_read_lock();
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chanctx_conf = rcu_dereference(vif->chanctx_conf);
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if (chanctx_conf)
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pos += scnprintf(buf+pos, bufsz-pos,
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"idle rx chains %d, active rx chains: %d\n",
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chanctx_conf->rx_chains_static,
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chanctx_conf->rx_chains_dynamic);
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rcu_read_unlock();
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mutex_unlock(&mvm->mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
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enum iwl_dbgfs_bf_mask param, int value)
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{
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struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
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struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
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dbgfs_bf->mask |= param;
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switch (param) {
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case MVM_DEBUGFS_BF_ENERGY_DELTA:
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dbgfs_bf->bf_energy_delta = value;
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break;
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case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
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dbgfs_bf->bf_roaming_energy_delta = value;
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break;
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case MVM_DEBUGFS_BF_ROAMING_STATE:
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dbgfs_bf->bf_roaming_state = value;
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break;
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case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
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dbgfs_bf->bf_temp_threshold = value;
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break;
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case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
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|
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 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[3];
|
||
|
|
|
||
|
|
buf[0] = mvmvif->low_latency ? '1' : '0';
|
||
|
|
buf[1] = '\n';
|
||
|
|
buf[2] = '\0';
|
||
|
|
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_WRITE_FILE_OPS(pm_params, 32);
|
||
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
|
||
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
|
||
|
|
|
||
|
|
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);
|
||
|
|
mvmvif->mvm = mvm;
|
||
|
|
|
||
|
|
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(mac_params, mvmvif->dbgfs_dir, S_IRUSR);
|
||
|
|
MVM_DEBUGFS_ADD_FILE_VIF(low_latency, 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);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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;
|
||
|
|
}
|