diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | 190 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 505 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.h | 84 |
4 files changed, 276 insertions, 504 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile index 6d73817..285d8c7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/Makefile +++ b/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -5,6 +5,7 @@ iwlmvm-y += scan.o time-event.o rs.o iwlmvm-y += power.o power_legacy.o bt-coex.o iwlmvm-y += led.o tt.o iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o +iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o iwlmvm-$(CONFIG_PM_SLEEP) += d3.o ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c new file mode 100644 index 0000000..a90dde0 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c @@ -0,0 +1,190 @@ +/****************************************************************************** + * + * 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 - 2013 Intel Corporation. All rights reserved. + * + * 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 - 2013 Intel Corporation. All rights reserved. + * 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 "debugfs.h" + +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->dbgfs_data; + 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; + + 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; + struct iwl_mvm_sta *mvm_sta; + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id], + lockdep_is_held(&mvm->mutex)); + mvm_sta = (void *)sta->drv_priv; + 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); +} + +#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); + +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->dbgfs_data = mvm; + + if (!mvmvif->dbgfs_dir) { + IWL_ERR(mvm, "Failed to create debugfs directory under %s\n", + dbgfs_dir->d_name.name); + return; + } + + MVM_DEBUGFS_ADD_FILE_VIF(mac_params, 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; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index a34fb80..6850a2d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -64,6 +64,7 @@ #include "sta.h" #include "iwl-io.h" #include "iwl-prph.h" +#include "debugfs.h" static ssize_t iwl_dbgfs_tx_flush_write(struct file *file, const char __user *user_buf, @@ -292,209 +293,6 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct file *file, return ret ?: count; } -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: { - struct ieee80211_hw *hw = mvm->hw; - int dtimper = hw->conf.ps_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_DISABLE_POWER_OFF: - IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val); - dbgfs_pm->disable_power_off = 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; - } -} - -static ssize_t iwl_dbgfs_pm_params_write(struct file *file, - const 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->dbgfs_data; - enum iwl_dbgfs_pm_mask param; - char buf[32] = {}; - size_t buf_size = min(count, sizeof(buf) - 1); - int val; - int ret; - - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - 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("disable_power_off=", buf, 18) && - !(mvm->fw->ucode_capa.flags & - IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)) { - if (sscanf(buf + 18, "%d", &val) != 1) - return -EINVAL; - param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF; - } 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 { - return -EINVAL; - } - - mutex_lock(&mvm->mutex); - iwl_dbgfs_update_pm(mvm, vif, param, val); - ret = iwl_mvm_power_update_mode(mvm, vif); - mutex_unlock(&mvm->mutex); - - return ret ?: count; -} - -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->dbgfs_data; - char buf[512]; - int bufsz = sizeof(buf); - int pos; - - pos = iwl_mvm_power_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->dbgfs_data; - 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; - - 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; - struct iwl_mvm_sta *mvm_sta; - - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id], - lockdep_is_held(&mvm->mutex)); - mvm_sta = (void *)sta->drv_priv; - 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); -} - #define BT_MBOX_MSG(_notif, _num, _field) \ ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ >> BT_MBOX##_num##_##_field##_POS) @@ -849,205 +647,6 @@ iwl_dbgfs_scan_ant_rxchain_write(struct file *file, return count; } - -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 file *file, - const 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->dbgfs_data; - enum iwl_dbgfs_bf_mask param; - char buf[256] = {}; - size_t buf_size = min(count, sizeof(buf) - 1); - int value, ret = 0; - - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - 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); - else - ret = iwl_mvm_enable_beacon_filter(mvm, vif); - 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); -} - #ifdef CONFIG_PM_SLEEP static ssize_t iwl_dbgfs_d3_sram_write(struct file *file, const char __user *user_buf, @@ -1113,40 +712,12 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, } #endif -#define MVM_DEBUGFS_READ_FILE_OPS(name) \ -static const struct file_operations iwl_dbgfs_##name##_ops = { \ - .read = iwl_dbgfs_##name##_read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -} - -#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \ -static const struct file_operations iwl_dbgfs_##name##_ops = { \ - .write = iwl_dbgfs_##name##_write, \ - .read = iwl_dbgfs_##name##_read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - -#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \ -static const struct file_operations iwl_dbgfs_##name##_ops = { \ - .write = iwl_dbgfs_##name##_write, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \ if (!debugfs_create_file(#name, mode, parent, mvm, \ &iwl_dbgfs_##name##_ops)) \ goto err; \ } while (0) -#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) - /* Device wide debugfs entries */ MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush); MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain); @@ -1164,11 +735,6 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain); MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram); #endif -/* Interface specific debugfs entries */ -MVM_DEBUGFS_READ_FILE_OPS(mac_params); -MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params); -MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params); - int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) { char buf[100]; @@ -1212,72 +778,3 @@ err: IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); return -ENOMEM; } - -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->dbgfs_data = 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) - 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); - - 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; -} diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.h b/drivers/net/wireless/iwlwifi/mvm/debugfs.h new file mode 100644 index 0000000..faa73b8 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.h @@ -0,0 +1,84 @@ +/****************************************************************************** + * + * 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 - 2013 Intel Corporation. All rights reserved. + * + * 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 - 2013 Intel Corporation. All rights reserved. + * 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. + * + *****************************************************************************/ + +#define MVM_DEBUGFS_READ_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .read = iwl_dbgfs_##name##_read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .read = iwl_dbgfs_##name##_read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; |
