/******************************************************************************
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 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 LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*****************************************************************************/
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/ieee80211.h>
#include <net/mac80211.h>
#include "iwl-dev.h"
#include "iwl-debug.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-agn.h"
/* create and remove of files */
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
if (!debugfs_create_file(#name, mode, parent, priv, \
&iwl_dbgfs_##name##_ops)) \
goto err; \
} while (0)
#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
struct dentry *__tmp; \
__tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
parent, ptr); \
if (IS_ERR(__tmp) || !__tmp) \
goto err; \
} while (0)
#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
struct dentry *__tmp; \
__tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
parent, ptr); \
if (IS_ERR(__tmp) || !__tmp) \
goto err; \
} while (0)
/* file operation */
#define DEBUGFS_READ_FUNC(name) \
static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
char __user *user_buf, \
size_t count, loff_t *ppos);
#define DEBUGFS_WRITE_FUNC(name) \
static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
const char __user *user_buf, \
size_t count, loff_t *ppos);
static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
#define DEBUGFS_READ_FILE_OPS(name) \
DEBUGFS_READ_FUNC(name); \
static const struct file_operations iwl_dbgfs_##name##_ops = { \
.read = iwl_dbgfs_##name##_read, \
.open = iwl_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_WRITE_FILE_OPS(name) \
DEBUGFS_WRITE_FUNC(name); \
static const struct file_operations iwl_dbgfs_##name##_ops = { \
.write = iwl_dbgfs_##name##_write, \
.open = iwl_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
DEBUGFS_READ_FUNC(name); \
DEBUGFS_WRITE_FUNC(name); \
static const struct file_operations iwl_dbgfs_##name##_ops = { \
.write = iwl_dbgfs_##name##_write, \
.read = iwl_dbgfs_##name##_read, \
.open = iwl_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char *buf;
int pos = 0;
int cnt;
ssize_t ret;
const size_t bufsz = 100 +
sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos,
"\t%25s\t\t: %u\n",
get_mgmt_string(cnt),
priv->tx_stats.mgmt[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos,
"\t%25s\t\t: %u\n",
get_ctrl_string(cnt),
priv->tx_stats.ctrl[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
priv->tx_stats.data_cnt);
pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
priv->tx_stats.data_bytes);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
u32 clear_flag;
char buf[8];
int buf_size;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%x", &clear_flag) != 1)
return -EFAULT;
iwl_clear_traffic_stats(priv);
return count;
}
static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char *buf;
int pos = 0;
int cnt;
ssize_t ret;
const size_t bufsz = 100 +
sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos,
"\t%25s\t\t: %u\n",
get_mgmt_string(cnt),
priv->rx_stats.mgmt[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos,
"\t%25s\t\t: %u\n",
get_ctrl_string(cnt),
priv->rx_stats.ctrl[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
priv->rx_stats.data_cnt);
pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
priv->rx_stats.data_bytes);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_sram_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
u32 val = 0;
char *buf;
ssize_t ret;
int i = 0;
bool device_format = false;
int offset = 0;
int len = 0;
int pos = 0;
int sram;
struct iwl_priv *priv = file->private_data;
size_t bufsz;
/* default is to dump the entire data segment */
if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
priv->dbgfs_sram_offset = 0x800000;
if (priv->ucode_type == IWL_UCODE_INIT)
priv->dbgfs_sram_len = priv->ucode_init.data.len;
else
priv->dbgfs_sram_len = priv->ucode_rt.data.len;
}
len = priv->dbgfs_sram_len;
if (len == -4) {
device_format = true;
len = 4;
}
bufsz = 50 + len * 4;
buf = kmalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
len);
pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
priv->dbgfs_sram_offset);
/* adjust sram address since reads are only on even u32 boundaries */
offset = priv->dbgfs_sram_offset & 0x3;
sram = priv->dbgfs_sram_offset & ~0x3;
/* read the first u32 from sram */
val = iwl_read_targ_mem(priv, sram);
for (; len; len--) {
/* put the address at the start of every line */
if (i == 0)
pos += scnprintf(buf + pos, bufsz - pos,
"%08X: ", sram + offset);
if (device_format)
pos += scnprintf(buf + pos, bufsz - pos,
"%02x", (val >> (8 * (3 - offset))) & 0xff);
else
pos += scnprintf(buf + pos, bufsz - pos,
"%02x ", (val >> (8 * offset)) & 0xff);
/* if all bytes processed, read the next u32 from sram */
if (++offset == 4) {
sram += 4;
offset = 0;
val = iwl_read_targ_mem(priv, sram);
}
/* put in extra spaces and split lines for human readability */
if (++i == 16) {
i = 0;
pos += scnprintf(buf + pos, bufsz - pos, "\n");
} else if (!(i & 7)) {
pos += scnprintf(buf + pos, bufsz - pos, " ");
} else if (!(i & 3)) {
pos += scnprintf(buf + pos, bufsz - pos, " ");
}
}
if (i)
pos += scnprintf(buf + pos, bufsz - pos, "\n");
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_sram_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[64];
int buf_size;
u32 offset, len;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
priv->dbgfs_sram_offset = offset;
priv->dbgfs_sram_len = len;
} else if (sscanf(buf, "%x", &offset) == 1) {
priv->dbgfs_sram_offset = offset;
priv->dbgfs_sram_len = -4;
} else {
priv->dbgfs_sram_offset = 0;
priv->dbgfs_sram_len = 0;
}
return count;
}
static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
struct iwl_station_entry *station;
int max_sta = priv->hw_params.max_stations;
char *buf;
int i, j, pos = 0;
ssize_t ret;
/* Add 30 for initial string */
const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
buf = kmalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
priv->num_stations);
for (i = 0; i < max_sta; i++) {
station = &priv->stations[i];
if (!station->used)
continue;
pos += scnprintf(buf + pos, bufsz - pos,
"station %d - addr: %pM, flags: %#x\n",
i, station->sta.sta.addr,
station->sta.station_flags_msk);
pos += scnprintf(buf + pos, bufsz - pos,
"TID\tseq_num\ttxq_id\tframes\ttfds\t");
pos += scnprintf(buf + pos, bufsz - pos,
"start_idx\tbitmap\t\t\trate_n_flags\n");
for (j = 0; j < MAX_TID_COUNT; j++) {
pos += scnprintf(buf + pos, bufsz - pos,
"%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
j, station->tid[j].seq_number,
station->tid[j].agg.txq_id,
station->tid[j].agg.frame_count,
station->tid[j].tfds_in_queue,
station->tid[j].agg.start_idx,
station->tid[j].agg.bitmap,
station->tid[j].agg.rate_n_flags);
if (station->tid[j].agg.wait_for_ba)
pos += scnprintf(buf + pos, bufsz - pos,
" - waitforba");
pos += scnprintf(buf + pos, bufsz - pos, "\n");
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_nvm_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
ssize_t ret;
struct iwl_priv *priv = file->private_data;
int pos = 0, ofs = 0, buf_size = 0;
const u8 *ptr;
char *buf;
u16 eeprom_ver;
size_t eeprom_len = priv->cfg->base_params->eeprom_size;
buf_size = 4 * eeprom_len + 256;
if (eeprom_len % 16) {
IWL_ERR(priv, "NVM size is not multiple of 16.\n");
return -ENODATA;
}
ptr = priv->eeprom;
if (!ptr) {
IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
return -ENOMEM;
}
/* 4 characters for byte 0xYY */
buf = kzalloc(buf_size, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
"version: 0x%x\n",
(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
? "OTP" : "EEPROM", eeprom_ver);
for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
buf_size - pos, 0);
pos += strlen(buf + pos);
if (buf_size - pos > 0)
buf[pos++] = '\n';
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_log_event_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char *buf;
int pos = 0;
ssize_t ret = -ENOMEM;
ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
if (buf) {
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
}
return ret;
}
static ssize_t iwl_dbgfs_log_event_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
u32 event_log_flag;
char buf[8];
int buf_size;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &event_log_flag) != 1)
return -EFAULT;
if (event_log_flag == 1)
iwl_dump_nic_event_log(priv, true, NULL, false);
return count;
}
static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
struct ieee80211_channel *channels = NULL;
const struct ieee80211_supported_band *supp_band = NULL;
int pos = 0, i, bufsz = PAGE_SIZE;
char *buf;
ssize_t ret;
if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
if (supp_band) {
channels = supp_band->channels;
pos += scnprintf(buf + pos, bufsz - pos,
"Displaying %d channels in 2.4GHz band 802.11bg):\n",
supp_band->n_channels);
for (i = 0; i < supp_band->n_channels; i++)
pos += scnprintf(buf + pos, bufsz - pos,
"%d: %ddBm: BSS%s%s, %s.\n",
channels[i].hw_value,
channels[i].max_power,
channels[i].flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
|| (channels[i].flags &
IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].flags &
IEEE80211_CHAN_PASSIVE_SCAN ?
"passive only" : "active/passive");
}
supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
if (supp_band) {
channels = supp_band->channels;
pos += scnprintf(buf + pos, bufsz - pos,
"Displaying %d channels in 5.2GHz band (802.11a)\n",
supp_band->n_channels);
for (i = 0; i < supp_band->n_channels; i++)
pos += scnprintf(buf + pos, bufsz - pos,
"%d: %ddBm: BSS%s%s, %s.\n",
channels[i].hw_value,
channels[i].max_power,
channels[i].flags & IEEE80211_CHAN_RADAR ?
" (IEEE 802.11h required)" : "",
((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
|| (channels[i].flags &
IEEE80211_CHAN_RADAR)) ? "" :
", IBSS",
channels[i].flags &
IEEE80211_CHAN_PASSIVE_SCAN ?
"passive only" : "active/passive");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_status_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[512];
int pos = 0;
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
test_bit(STATUS_HCMD_ACTIVE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
test_bit(STATUS_INT_ENABLED, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
test_bit(STATUS_RF_KILL_HW, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
test_bit(STATUS_CT_KILL, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
test_bit(STATUS_INIT, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
test_bit(STATUS_ALIVE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
test_bit(STATUS_READY, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
test_bit(STATUS_TEMPERATURE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
test_bit(STATUS_GEO_CONFIGURED, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
test_bit(STATUS_EXIT_PENDING, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
test_bit(STATUS_STATISTICS, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
test_bit(STATUS_SCANNING, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
test_bit(STATUS_SCAN_ABORTING, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
test_bit(STATUS_SCAN_HW, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
test_bit(STATUS_POWER_PMI, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
test_bit(STATUS_FW_ERROR, &priv->status));
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = 24 * 64; /* 24 items * 64 char per item */
ssize_t ret;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos,
"Interrupt Statistics Report:\n");
pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
priv->isr_stats.hw);
pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
priv->isr_stats.sw);
if (priv->isr_stats.sw || priv->isr_stats.hw) {
pos += scnprintf(buf + pos, bufsz - pos,
"\tLast Restarting Code: 0x%X\n",
priv->isr_stats.err_code);
}
#ifdef CONFIG_IWLWIFI_DEBUG
pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
priv->isr_stats.sch);
pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
priv->isr_stats.alive);
#endif
pos += scnprintf(buf + pos, bufsz - pos,
"HW RF KILL switch toggled:\t %u\n",
priv->isr_stats.rfkill);
pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
priv->isr_stats.ctkill);
pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
priv->isr_stats.wakeup);
pos += scnprintf(buf + pos, bufsz - pos,
"Rx command responses:\t\t %u\n",
priv->isr_stats.rx);
for (cnt = 0; cnt < REPLY_MAX; cnt++) {
if (priv->isr_stats.rx_handlers[cnt] > 0)
pos += scnprintf(buf + pos, bufsz - pos,
"\tRx handler[%36s]:\t\t %u\n",
get_cmd_string(cnt),
priv->isr_stats.rx_handlers[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
priv->isr_stats.tx);
pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
priv->isr_stats.unhandled);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
u32 reset_flag;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%x", &reset_flag) != 1)
return -EFAULT;
if (reset_flag == 0)
iwl_clear_isr_stats(priv);
return count;
}
static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
struct iwl_rxon_context *ctx;
int pos = 0, i;
char buf[256 * NUM_IWL_RXON_CTX];
const size_t bufsz = sizeof(buf);
for_each_context(priv, ctx) {
pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
ctx->ctxid);
for (i = 0; i < AC_NUM; i++) {
pos += scnprintf(buf + pos, bufsz - pos,
"\tcw_min\tcw_max\taifsn\ttxop\n");
pos += scnprintf(buf + pos, bufsz - pos,
"AC[%d]\t%u\t%u\t%u\t%u\n", i,
ctx->qos_data.def_qos_parm.ac[i].cw_min,
ctx->qos_data.def_qos_parm.ac[i].cw_max,
ctx->qos_data.def_qos_parm.ac[i].aifsn,
ctx->qos_data.def_qos_parm.ac[i].edca_txop);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
struct iwl_tt_restriction *restriction;
char buf[100];
int pos = 0;
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos,
"Thermal Throttling Mode: %s\n",
tt->advanced_tt ? "Advance" : "Legacy");
pos += scnprintf(buf + pos, bufsz - pos,
"Thermal Throttling State: %d\n",
tt->state);
if (tt->advanced_tt) {
restriction = tt->restriction + tt->state;
pos += scnprintf(buf + pos, bufsz - pos,
"Tx mode: %d\n",
restriction->tx_stream);
pos += scnprintf(buf + pos, bufsz - pos,
"Rx mode: %d\n",
restriction->rx_stream);
pos += scnprintf(buf + pos, bufsz - pos,
"HT mode: %d\n",
restriction->is_ht);
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int ht40;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &ht40) != 1)
return -EFAULT;
if (!iwl_is_any_associated(priv))
priv->disable_ht40 = ht40 ? true : false;
else {
IWL_ERR(priv, "Sta associated with AP - "
"Change to 40MHz channel support is not allowed\n");
return -EINVAL;
}
return count;
}
static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[100];
int pos = 0;
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos,
"11n 40MHz Mode: %s\n",
priv->disable_ht40 ? "Disabled" : "Enabled");
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int value;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &value) != 1)
return -EINVAL;
/*
* Our users expect 0 to be "CAM", but 0 isn't actually
* valid here. However, let's not confuse them and present
* IWL_POWER_INDEX_1 as "1", not "0".
*/
if (value == 0)
return -EINVAL;
else if (value > 0)
value -= 1;
if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
return -EINVAL;
if (!iwl_is_ready_rf(priv))
return -EAGAIN;
priv->power_data.debug_sleep_level_override = value;
mutex_lock(&priv->mutex);
iwl_power_update_mode(priv, true);
mutex_unlock(&priv->mutex);
return count;
}
static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[10];
int pos, value;
const size_t bufsz = sizeof(buf);
/* see the write function */
value = priv->power_data.debug_sleep_level_override;
if (value >= 0)
value += 1;
pos = scnprintf(buf, bufsz, "%d\n", value);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[200];
int pos = 0, i;
const size_t bufsz = sizeof(buf);
struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
pos += scnprintf(buf + pos, bufsz - pos,
"flags: %#.2x\n", le16_to_cpu(cmd->flags));
pos += scnprintf(buf + pos, bufsz - pos,
"RX/TX timeout: %d/%d usec\n",
le32_to_cpu(cmd->rx_data_timeout),
le32_to_cpu(cmd->tx_data_timeout));
for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
pos += scnprintf(buf + pos, bufsz - pos,
"sleep_interval[%d]: %d\n", i,
le32_to_cpu(cmd->sleep_interval[i]));
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(nvm);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(channels);
DEBUGFS_READ_FILE_OPS(status);
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
DEBUGFS_READ_FILE_OPS(qos);
DEBUGFS_READ_FILE_OPS(thermal_throttling);
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
DEBUGFS_READ_FILE_OPS(current_sleep_command);
static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
int pos = 0, ofs = 0;
int cnt = 0, entry;
struct iwl_tx_queue *txq;
struct iwl_queue *q;
struct iwl_rx_queue *rxq = &priv->rxq;
char *buf;
int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
(priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
const u8 *ptr;
ssize_t ret;
if (!priv->txq) {
IWL_ERR(priv, "txq not ready\n");
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
txq = &priv->txq[cnt];
q = &txq->q;
pos += scnprintf(buf + pos, bufsz - pos,
"q[%d]: read_ptr: %u, write_ptr: %u\n",
cnt, q->read_ptr, q->write_ptr);
}
if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
ptr = priv->tx_traffic;
pos += scnprintf(buf + pos, bufsz - pos,
"Tx Traffic idx: %u\n", priv->tx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
pos += scnprintf(buf + pos, bufsz - pos,
"0x%.4x ", ofs);
hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
buf + pos, bufsz - pos, 0);
pos += strlen(buf + pos);
if (bufsz - pos > 0)
buf[pos++] = '\n';
}
}
}
pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
pos += scnprintf(buf + pos, bufsz - pos,
"read: %u, write: %u\n",
rxq->read, rxq->write);
if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
ptr = priv->rx_traffic;
pos += scnprintf(buf + pos, bufsz - pos,
"Rx Traffic idx: %u\n", priv->rx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
pos += scnprintf(buf + pos, bufsz - pos,
"0x%.4x ", ofs);
hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
buf + pos, bufsz - pos, 0);
pos += strlen(buf + pos);
if (bufsz - pos > 0)
buf[pos++] = '\n';
}
}
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int traffic_log;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &traffic_log) != 1)
return -EFAULT;
if (traffic_log == 0)
iwl_reset_traffic_log(priv);
return count;
}
static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
struct iwl_tx_queue *txq;
struct iwl_queue *q;
char *buf;
int pos = 0;
int cnt;
int ret;
const size_t bufsz = sizeof(char) * 64 *
priv->cfg->base_params->num_of_queues;
if (!priv->txq) {
IWL_ERR(priv, "txq not ready\n");
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
txq = &priv->txq[cnt];
q = &txq->q;
pos += scnprintf(buf + pos, bufsz - pos,
"hwq %.2d: read=%u write=%u stop=%d"
" swq_id=%#.2x (ac %d/hwq %d)\n",
cnt, q->read_ptr, q->write_ptr,
!!test_bit(cnt, priv->queue_stopped),
txq->swq_id, txq->swq_id & 3,
(txq->swq_id >> 2) & 0x1f);
if (cnt >= 4)
continue;
/* for the ACs, display the stop count too */
pos += scnprintf(buf + pos, bufsz - pos,
" stop-count: %d\n",
atomic_read(&priv->queue_stop_count[cnt]));
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
struct iwl_rx_queue *rxq = &priv->rxq;
char buf[256];
int pos = 0;
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
rxq->read);
pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
rxq->write);
pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
rxq->free_count);
if (rxq->rb_stts) {
pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
} else {
pos += scnprintf(buf + pos, bufsz - pos,
"closed_rb_num: Not Allocated\n");
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static const char *fmt_value = " %-30s %10u\n";
static const char *fmt_hex = " %-30s 0x%02X\n";
static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
static const char *fmt_header =
"%-32s current cumulative delta max\n";
static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
{
int p = 0;
u32 flag;
flag = le32_to_cpu(priv->statistics.flag);
p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
if (flag & UCODE_STATISTICS_CLEAR_MSK)
p += scnprintf(buf + p, bufsz - p,
"\tStatistics have been cleared\n");
p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
(flag & UCODE_STATISTICS_FREQUENCY_MSK)
? "2.4 GHz" : "5.2 GHz");
p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
(flag & UCODE_STATISTICS_NARROW_BAND_MSK)
? "enabled" : "disabled");
return p;
}
static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
int pos = 0;
char *buf;
int bufsz = sizeof(struct statistics_rx_phy) * 40 +
sizeof(struct statistics_rx_non_phy) * 40 +
sizeof(struct statistics_rx_ht_phy) * 40 + 400;
ssize_t ret;
struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
struct statistics_rx_non_phy *general, *accum_general;
struct statistics_rx_non_phy *delta_general, *max_general;
struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
if (!iwl_is_alive(priv))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
/*
* the statistic information display here is based on
* the last statistics notification from uCode
* might not reflect the current uCode activity
*/
ofdm = &priv->statistics.rx_ofdm;
cck = &priv->statistics.rx_cck;
general = &priv->statistics.rx_non_phy;
ht = &priv->statistics.rx_ofdm_ht;
accum_ofdm = &priv->accum_stats.rx_ofdm;
accum_cck = &priv->accum_stats.rx_cck;
accum_general = &priv->accum_stats.rx_non_phy;
accum_ht = &priv->accum_stats.rx_ofdm_ht;
delta_ofdm = &priv->delta_stats.rx_ofdm;
delta_cck = &priv->delta_stats.rx_cck;
delta_general = &priv->delta_stats.rx_non_phy;
delta_ht = &priv->delta_stats.rx_ofdm_ht;
max_ofdm = &priv->max_delta_stats.rx_ofdm;
max_cck = &priv->max_delta_stats.rx_cck;
max_general = &priv->max_delta_stats.rx_non_phy;
max_ht = &priv->max_delta_stats.rx_ofdm_ht;
pos += iwl_statistics_flag(priv, buf, bufsz);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_Rx - OFDM:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "ina_cnt:",
le32_to_cpu(ofdm->ina_cnt),
accum_ofdm->ina_cnt,
delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_cnt:",
le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "plcp_err:",
le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
delta_ofdm->plcp_err, max_ofdm->plcp_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_err:",
le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
delta_ofdm->crc32_err, max_ofdm->crc32_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "overrun_err:",
le32_to_cpu(ofdm->overrun_err),
accum_ofdm->overrun_err, delta_ofdm->overrun_err,
max_ofdm->overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "early_overrun_err:",
le32_to_cpu(ofdm->early_overrun_err),
accum_ofdm->early_overrun_err,
delta_ofdm->early_overrun_err,
max_ofdm->early_overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_good:",
le32_to_cpu(ofdm->crc32_good),
accum_ofdm->crc32_good, delta_ofdm->crc32_good,
max_ofdm->crc32_good);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "false_alarm_cnt:",
le32_to_cpu(ofdm->false_alarm_cnt),
accum_ofdm->false_alarm_cnt,
delta_ofdm->false_alarm_cnt,
max_ofdm->false_alarm_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_sync_err_cnt:",
le32_to_cpu(ofdm->fina_sync_err_cnt),
accum_ofdm->fina_sync_err_cnt,
delta_ofdm->fina_sync_err_cnt,
max_ofdm->fina_sync_err_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sfd_timeout:",
le32_to_cpu(ofdm->sfd_timeout),
accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
max_ofdm->sfd_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_timeout:",
le32_to_cpu(ofdm->fina_timeout),
accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
max_ofdm->fina_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "unresponded_rts:",
le32_to_cpu(ofdm->unresponded_rts),
accum_ofdm->unresponded_rts,
delta_ofdm->unresponded_rts,
max_ofdm->unresponded_rts);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "rxe_frame_lmt_ovrun:",
le32_to_cpu(ofdm->rxe_frame_limit_overrun),
accum_ofdm->rxe_frame_limit_overrun,
delta_ofdm->rxe_frame_limit_overrun,
max_ofdm->rxe_frame_limit_overrun);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_ack_cnt:",
le32_to_cpu(ofdm->sent_ack_cnt),
accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
max_ofdm->sent_ack_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_cts_cnt:",
le32_to_cpu(ofdm->sent_cts_cnt),
accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
max_ofdm->sent_cts_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_ba_rsp_cnt:",
le32_to_cpu(ofdm->sent_ba_rsp_cnt),
accum_ofdm->sent_ba_rsp_cnt,
delta_ofdm->sent_ba_rsp_cnt,
max_ofdm->sent_ba_rsp_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "dsp_self_kill:",
le32_to_cpu(ofdm->dsp_self_kill),
accum_ofdm->dsp_self_kill,
delta_ofdm->dsp_self_kill,
max_ofdm->dsp_self_kill);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "mh_format_err:",
le32_to_cpu(ofdm->mh_format_err),
accum_ofdm->mh_format_err,
delta_ofdm->mh_format_err,
max_ofdm->mh_format_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "re_acq_main_rssi_sum:",
le32_to_cpu(ofdm->re_acq_main_rssi_sum),
accum_ofdm->re_acq_main_rssi_sum,
delta_ofdm->re_acq_main_rssi_sum,
max_ofdm->re_acq_main_rssi_sum);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_Rx - CCK:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "ina_cnt:",
le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
delta_cck->ina_cnt, max_cck->ina_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_cnt:",
le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
delta_cck->fina_cnt, max_cck->fina_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "plcp_err:",
le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
delta_cck->plcp_err, max_cck->plcp_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_err:",
le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
delta_cck->crc32_err, max_cck->crc32_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "overrun_err:",
le32_to_cpu(cck->overrun_err),
accum_cck->overrun_err, delta_cck->overrun_err,
max_cck->overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "early_overrun_err:",
le32_to_cpu(cck->early_overrun_err),
accum_cck->early_overrun_err,
delta_cck->early_overrun_err,
max_cck->early_overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_good:",
le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
delta_cck->crc32_good, max_cck->crc32_good);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "false_alarm_cnt:",
le32_to_cpu(cck->false_alarm_cnt),
accum_cck->false_alarm_cnt,
delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_sync_err_cnt:",
le32_to_cpu(cck->fina_sync_err_cnt),
accum_cck->fina_sync_err_cnt,
delta_cck->fina_sync_err_cnt,
max_cck->fina_sync_err_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sfd_timeout:",
le32_to_cpu(cck->sfd_timeout),
accum_cck->sfd_timeout, delta_cck->sfd_timeout,
max_cck->sfd_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "fina_timeout:",
le32_to_cpu(cck->fina_timeout),
accum_cck->fina_timeout, delta_cck->fina_timeout,
max_cck->fina_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "unresponded_rts:",
le32_to_cpu(cck->unresponded_rts),
accum_cck->unresponded_rts, delta_cck->unresponded_rts,
max_cck->unresponded_rts);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "rxe_frame_lmt_ovrun:",
le32_to_cpu(cck->rxe_frame_limit_overrun),
accum_cck->rxe_frame_limit_overrun,
delta_cck->rxe_frame_limit_overrun,
max_cck->rxe_frame_limit_overrun);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_ack_cnt:",
le32_to_cpu(cck->sent_ack_cnt),
accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
max_cck->sent_ack_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_cts_cnt:",
le32_to_cpu(cck->sent_cts_cnt),
accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
max_cck->sent_cts_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sent_ba_rsp_cnt:",
le32_to_cpu(cck->sent_ba_rsp_cnt),
accum_cck->sent_ba_rsp_cnt,
delta_cck->sent_ba_rsp_cnt,
max_cck->sent_ba_rsp_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "dsp_self_kill:",
le32_to_cpu(cck->dsp_self_kill),
accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
max_cck->dsp_self_kill);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "mh_format_err:",
le32_to_cpu(cck->mh_format_err),
accum_cck->mh_format_err, delta_cck->mh_format_err,
max_cck->mh_format_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "re_acq_main_rssi_sum:",
le32_to_cpu(cck->re_acq_main_rssi_sum),
accum_cck->re_acq_main_rssi_sum,
delta_cck->re_acq_main_rssi_sum,
max_cck->re_acq_main_rssi_sum);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_Rx - GENERAL:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "bogus_cts:",
le32_to_cpu(general->bogus_cts),
accum_general->bogus_cts, delta_general->bogus_cts,
max_general->bogus_cts);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "bogus_ack:",
le32_to_cpu(general->bogus_ack),
accum_general->bogus_ack, delta_general->bogus_ack,
max_general->bogus_ack);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "non_bssid_frames:",
le32_to_cpu(general->non_bssid_frames),
accum_general->non_bssid_frames,
delta_general->non_bssid_frames,
max_general->non_bssid_frames);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "filtered_frames:",
le32_to_cpu(general->filtered_frames),
accum_general->filtered_frames,
delta_general->filtered_frames,
max_general->filtered_frames);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "non_channel_beacons:",
le32_to_cpu(general->non_channel_beacons),
accum_general->non_channel_beacons,
delta_general->non_channel_beacons,
max_general->non_channel_beacons);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "channel_beacons:",
le32_to_cpu(general->channel_beacons),
accum_general->channel_beacons,
delta_general->channel_beacons,
max_general->channel_beacons);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "num_missed_bcon:",
le32_to_cpu(general->num_missed_bcon),
accum_general->num_missed_bcon,
delta_general->num_missed_bcon,
max_general->num_missed_bcon);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "adc_rx_saturation_time:",
le32_to_cpu(general->adc_rx_saturation_time),
accum_general->adc_rx_saturation_time,
delta_general->adc_rx_saturation_time,
max_general->adc_rx_saturation_time);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "ina_detect_search_tm:",
le32_to_cpu(general->ina_detection_search_time),
accum_general->ina_detection_search_time,
delta_general->ina_detection_search_time,
max_general->ina_detection_search_time);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_silence_rssi_a:",
le32_to_cpu(general->beacon_silence_rssi_a),
accum_general->beacon_silence_rssi_a,
delta_general->beacon_silence_rssi_a,
max_general->beacon_silence_rssi_a);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_silence_rssi_b:",
le32_to_cpu(general->beacon_silence_rssi_b),
accum_general->beacon_silence_rssi_b,
delta_general->beacon_silence_rssi_b,
max_general->beacon_silence_rssi_b);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_silence_rssi_c:",
le32_to_cpu(general->beacon_silence_rssi_c),
accum_general->beacon_silence_rssi_c,
delta_general->beacon_silence_rssi_c,
max_general->beacon_silence_rssi_c);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "interference_data_flag:",
le32_to_cpu(general->interference_data_flag),
accum_general->interference_data_flag,
delta_general->interference_data_flag,
max_general->interference_data_flag);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "channel_load:",
le32_to_cpu(general->channel_load),
accum_general->channel_load,
delta_general->channel_load,
max_general->channel_load);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "dsp_false_alarms:",
le32_to_cpu(general->dsp_false_alarms),
accum_general->dsp_false_alarms,
delta_general->dsp_false_alarms,
max_general->dsp_false_alarms);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_rssi_a:",
le32_to_cpu(general->beacon_rssi_a),
accum_general->beacon_rssi_a,
delta_general->beacon_rssi_a,
max_general->beacon_rssi_a);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_rssi_b:",
le32_to_cpu(general->beacon_rssi_b),
accum_general->beacon_rssi_b,
delta_general->beacon_rssi_b,
max_general->beacon_rssi_b);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_rssi_c:",
le32_to_cpu(general->beacon_rssi_c),
accum_general->beacon_rssi_c,
delta_general->beacon_rssi_c,
max_general->beacon_rssi_c);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_energy_a:",
le32_to_cpu(general->beacon_energy_a),
accum_general->beacon_energy_a,
delta_general->beacon_energy_a,
max_general->beacon_energy_a);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_energy_b:",
le32_to_cpu(general->beacon_energy_b),
accum_general->beacon_energy_b,
delta_general->beacon_energy_b,
max_general->beacon_energy_b);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "beacon_energy_c:",
le32_to_cpu(general->beacon_energy_c),
accum_general->beacon_energy_c,
delta_general->beacon_energy_c,
max_general->beacon_energy_c);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_Rx - OFDM_HT:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "plcp_err:",
le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
delta_ht->plcp_err, max_ht->plcp_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "overrun_err:",
le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
delta_ht->overrun_err, max_ht->overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "early_overrun_err:",
le32_to_cpu(ht->early_overrun_err),
accum_ht->early_overrun_err,
delta_ht->early_overrun_err,
max_ht->early_overrun_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_good:",
le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
delta_ht->crc32_good, max_ht->crc32_good);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "crc32_err:",
le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
delta_ht->crc32_err, max_ht->crc32_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "mh_format_err:",
le32_to_cpu(ht->mh_format_err),
accum_ht->mh_format_err,
delta_ht->mh_format_err, max_ht->mh_format_err);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg_crc32_good:",
le32_to_cpu(ht->agg_crc32_good),
accum_ht->agg_crc32_good,
delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg_mpdu_cnt:",
le32_to_cpu(ht->agg_mpdu_cnt),
accum_ht->agg_mpdu_cnt,
delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg_cnt:",
le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
delta_ht->agg_cnt, max_ht->agg_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "unsupport_mcs:",
le32_to_cpu(ht->unsupport_mcs),
accum_ht->unsupport_mcs,
delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
int pos = 0;
char *buf;
int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
ssize_t ret;
struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
if (!iwl_is_alive(priv))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
/* the statistic information display here is based on
* the last statistics notification from uCode
* might not reflect the current uCode activity
*/
tx = &priv->statistics.tx;
accum_tx = &priv->accum_stats.tx;
delta_tx = &priv->delta_stats.tx;
max_tx = &priv->max_delta_stats.tx;
pos += iwl_statistics_flag(priv, buf, bufsz);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_Tx:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "preamble:",
le32_to_cpu(tx->preamble_cnt),
accum_tx->preamble_cnt,
delta_tx->preamble_cnt, max_tx->preamble_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "rx_detected_cnt:",
le32_to_cpu(tx->rx_detected_cnt),
accum_tx->rx_detected_cnt,
delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "bt_prio_defer_cnt:",
le32_to_cpu(tx->bt_prio_defer_cnt),
accum_tx->bt_prio_defer_cnt,
delta_tx->bt_prio_defer_cnt,
max_tx->bt_prio_defer_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "bt_prio_kill_cnt:",
le32_to_cpu(tx->bt_prio_kill_cnt),
accum_tx->bt_prio_kill_cnt,
delta_tx->bt_prio_kill_cnt,
max_tx->bt_prio_kill_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "few_bytes_cnt:",
le32_to_cpu(tx->few_bytes_cnt),
accum_tx->few_bytes_cnt,
delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "cts_timeout:",
le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
delta_tx->cts_timeout, max_tx->cts_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "ack_timeout:",
le32_to_cpu(tx->ack_timeout),
accum_tx->ack_timeout,
delta_tx->ack_timeout, max_tx->ack_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "expected_ack_cnt:",
le32_to_cpu(tx->expected_ack_cnt),
accum_tx->expected_ack_cnt,
delta_tx->expected_ack_cnt,
max_tx->expected_ack_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "actual_ack_cnt:",
le32_to_cpu(tx->actual_ack_cnt),
accum_tx->actual_ack_cnt,
delta_tx->actual_ack_cnt,
max_tx->actual_ack_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "dump_msdu_cnt:",
le32_to_cpu(tx->dump_msdu_cnt),
accum_tx->dump_msdu_cnt,
delta_tx->dump_msdu_cnt,
max_tx->dump_msdu_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "abort_nxt_frame_mismatch:",
le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
accum_tx->burst_abort_next_frame_mismatch_cnt,
delta_tx->burst_abort_next_frame_mismatch_cnt,
max_tx->burst_abort_next_frame_mismatch_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "abort_missing_nxt_frame:",
le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
accum_tx->burst_abort_missing_next_frame_cnt,
delta_tx->burst_abort_missing_next_frame_cnt,
max_tx->burst_abort_missing_next_frame_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "cts_timeout_collision:",
le32_to_cpu(tx->cts_timeout_collision),
accum_tx->cts_timeout_collision,
delta_tx->cts_timeout_collision,
max_tx->cts_timeout_collision);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "ack_ba_timeout_collision:",
le32_to_cpu(tx->ack_or_ba_timeout_collision),
accum_tx->ack_or_ba_timeout_collision,
delta_tx->ack_or_ba_timeout_collision,
max_tx->ack_or_ba_timeout_collision);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg ba_timeout:",
le32_to_cpu(tx->agg.ba_timeout),
accum_tx->agg.ba_timeout,
delta_tx->agg.ba_timeout,
max_tx->agg.ba_timeout);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg ba_resched_frames:",
le32_to_cpu(tx->agg.ba_reschedule_frames),
accum_tx->agg.ba_reschedule_frames,
delta_tx->agg.ba_reschedule_frames,
max_tx->agg.ba_reschedule_frames);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg scd_query_agg_frame:",
le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
accum_tx->agg.scd_query_agg_frame_cnt,
delta_tx->agg.scd_query_agg_frame_cnt,
max_tx->agg.scd_query_agg_frame_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg scd_query_no_agg:",
le32_to_cpu(tx->agg.scd_query_no_agg),
accum_tx->agg.scd_query_no_agg,
delta_tx->agg.scd_query_no_agg,
max_tx->agg.scd_query_no_agg);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg scd_query_agg:",
le32_to_cpu(tx->agg.scd_query_agg),
accum_tx->agg.scd_query_agg,
delta_tx->agg.scd_query_agg,
max_tx->agg.scd_query_agg);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg scd_query_mismatch:",
le32_to_cpu(tx->agg.scd_query_mismatch),
accum_tx->agg.scd_query_mismatch,
delta_tx->agg.scd_query_mismatch,
max_tx->agg.scd_query_mismatch);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg frame_not_ready:",
le32_to_cpu(tx->agg.frame_not_ready),
accum_tx->agg.frame_not_ready,
delta_tx->agg.frame_not_ready,
max_tx->agg.frame_not_ready);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg underrun:",
le32_to_cpu(tx->agg.underrun),
accum_tx->agg.underrun,
delta_tx->agg.underrun, max_tx->agg.underrun);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg bt_prio_kill:",
le32_to_cpu(tx->agg.bt_prio_kill),
accum_tx->agg.bt_prio_kill,
delta_tx->agg.bt_prio_kill,
max_tx->agg.bt_prio_kill);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "agg rx_ba_rsp_cnt:",
le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
accum_tx->agg.rx_ba_rsp_cnt,
delta_tx->agg.rx_ba_rsp_cnt,
max_tx->agg.rx_ba_rsp_cnt);
if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
pos += scnprintf(buf + pos, bufsz - pos,
"tx power: (1/2 dB step)\n");
if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
pos += scnprintf(buf + pos, bufsz - pos,
fmt_hex, "antenna A:",
tx->tx_power.ant_a);
if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
pos += scnprintf(buf + pos, bufsz - pos,
fmt_hex, "antenna B:",
tx->tx_power.ant_b);
if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
pos += scnprintf(buf + pos, bufsz - pos,
fmt_hex, "antenna C:",
tx->tx_power.ant_c);
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
int pos = 0;
char *buf;
int bufsz = sizeof(struct statistics_general) * 10 + 300;
ssize_t ret;
struct statistics_general_common *general, *accum_general;
struct statistics_general_common *delta_general, *max_general;
struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
struct statistics_div *div, *accum_div, *delta_div, *max_div;
if (!iwl_is_alive(priv))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
/* the statistic information display here is based on
* the last statistics notification from uCode
* might not reflect the current uCode activity
*/
general = &priv->statistics.common;
dbg = &priv->statistics.common.dbg;
div = &priv->statistics.common.div;
accum_general = &priv->accum_stats.common;
accum_dbg = &priv->accum_stats.common.dbg;
accum_div = &priv->accum_stats.common.div;
delta_general = &priv->delta_stats.common;
max_general = &priv->max_delta_stats.common;
delta_dbg = &priv->delta_stats.common.dbg;
max_dbg = &priv->max_delta_stats.common.dbg;
delta_div = &priv->delta_stats.common.div;
max_div = &priv->max_delta_stats.common.div;
pos += iwl_statistics_flag(priv, buf, bufsz);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_header, "Statistics_General:");
pos += scnprintf(buf + pos, bufsz - pos,
fmt_value, "temperature:",
le32_to_cpu(general->temperature));
pos += scnprintf(buf + pos, bufsz - pos,
fmt_value, "temperature_m:",
le32_to_cpu(general->temperature_m));
pos += scnprintf(buf + pos, bufsz - pos,
fmt_value, "ttl_timestamp:",
le32_to_cpu(general->ttl_timestamp));
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "burst_check:",
le32_to_cpu(dbg->burst_check),
accum_dbg->burst_check,
delta_dbg->burst_check, max_dbg->burst_check);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "burst_count:",
le32_to_cpu(dbg->burst_count),
accum_dbg->burst_count,
delta_dbg->burst_count, max_dbg->burst_count);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "wait_for_silence_timeout_count:",
le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
accum_dbg->wait_for_silence_timeout_cnt,
delta_dbg->wait_for_silence_timeout_cnt,
max_dbg->wait_for_silence_timeout_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "sleep_time:",
le32_to_cpu(general->sleep_time),
accum_general->sleep_time,
delta_general->sleep_time, max_general->sleep_time);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "slots_out:",
le32_to_cpu(general->slots_out),
accum_general->slots_out,
delta_general->slots_out, max_general->slots_out);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "slots_idle:",
le32_to_cpu(general->slots_idle),
accum_general->slots_idle,
delta_general->slots_idle, max_general->slots_idle);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "tx_on_a:",
le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
delta_div->tx_on_a, max_div->tx_on_a);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "tx_on_b:",
le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
delta_div->tx_on_b, max_div->tx_on_b);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "exec_time:",
le32_to_cpu(div->exec_time), accum_div->exec_time,
delta_div->exec_time, max_div->exec_time);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "probe_time:",
le32_to_cpu(div->probe_time), accum_div->probe_time,
delta_div->probe_time, max_div->probe_time);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "rx_enable_counter:",
le32_to_cpu(general->rx_enable_counter),
accum_general->rx_enable_counter,
delta_general->rx_enable_counter,
max_general->rx_enable_counter);
pos += scnprintf(buf + pos, bufsz - pos,
fmt_table, "num_of_sos_states:",
le32_to_cpu(general->num_of_sos_states),
accum_general->num_of_sos_states,
delta_general->num_of_sos_states,
max_general->num_of_sos_states);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
int pos = 0;
char *buf;
int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
ssize_t ret;
struct statistics_bt_activity *bt, *accum_bt;
if (!iwl_is_alive(priv))
return -EAGAIN;
if (!priv->bt_enable_flag)
return -EINVAL;
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (ret) {
IWL_ERR(priv,
"Error sending statistics request: %zd\n", ret);
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
/*
* the statistic information display here is based on
* the last statistics notification from uCode
* might not reflect the current uCode activity
*/
bt = &priv->statistics.bt_activity;
accum_bt = &priv->accum_stats.bt_activity;
pos += iwl_statistics_flag(priv, buf, bufsz);
pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
pos += scnprintf(buf + pos, bufsz - pos,
"\t\t\tcurrent\t\t\taccumulative\n");
pos += scnprintf(buf + pos, bufsz - pos,
"hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
le32_to_cpu(bt->hi_priority_tx_req_cnt),
accum_bt->hi_priority_tx_req_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
le32_to_cpu(bt->hi_priority_tx_denied_cnt),
accum_bt->hi_priority_tx_denied_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
le32_to_cpu(bt->lo_priority_tx_req_cnt),
accum_bt->lo_priority_tx_req_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
le32_to_cpu(bt->lo_priority_tx_denied_cnt),
accum_bt->lo_priority_tx_denied_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
le32_to_cpu(bt->hi_priority_rx_req_cnt),
accum_bt->hi_priority_rx_req_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
le32_to_cpu(bt->hi_priority_rx_denied_cnt),
accum_bt->hi_priority_rx_denied_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
le32_to_cpu(bt->lo_priority_rx_req_cnt),
accum_bt->lo_priority_rx_req_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
le32_to_cpu(bt->lo_priority_rx_denied_cnt),
accum_bt->lo_priority_rx_denied_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
le32_to_cpu(priv->statistics.num_bt_kills),
priv->statistics.accum_num_bt_kills);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
int pos = 0;
char *buf;
int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
(sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
ssize_t ret;
if (!iwl_is_alive(priv))
return -EAGAIN;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
priv->_agn.reply_tx_stats.pp_delay);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
priv->_agn.reply_tx_stats.pp_few_bytes);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
priv->_agn.reply_tx_stats.pp_bt_prio);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
priv->_agn.reply_tx_stats.pp_quiet_period);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
priv->_agn.reply_tx_stats.pp_calc_ttak);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
priv->_agn.reply_tx_stats.int_crossed_retry);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
priv->_agn.reply_tx_stats.short_limit);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
priv->_agn.reply_tx_stats.long_limit);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
priv->_agn.reply_tx_stats.fifo_underrun);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
priv->_agn.reply_tx_stats.drain_flow);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
priv->_agn.reply_tx_stats.rfkill_flush);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
priv->_agn.reply_tx_stats.life_expire);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
priv->_agn.reply_tx_stats.dest_ps);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
priv->_agn.reply_tx_stats.host_abort);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
priv->_agn.reply_tx_stats.pp_delay);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
priv->_agn.reply_tx_stats.sta_invalid);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
priv->_agn.reply_tx_stats.frag_drop);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
priv->_agn.reply_tx_stats.tid_disable);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
priv->_agn.reply_tx_stats.fifo_flush);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
priv->_agn.reply_tx_stats.insuff_cf_poll);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
priv->_agn.reply_tx_stats.fail_hw_drop);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_tx_fail_reason(
TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
priv->_agn.reply_tx_stats.sta_color_mismatch);
pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
priv->_agn.reply_tx_stats.unknown);
pos += scnprintf(buf + pos, bufsz - pos,
"\nStatistics_Agg_TX_Error:\n");
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
priv->_agn.reply_agg_tx_stats.underrun);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
priv->_agn.reply_agg_tx_stats.bt_prio);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
priv->_agn.reply_agg_tx_stats.few_bytes);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
priv->_agn.reply_agg_tx_stats.abort);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_agg_tx_fail_reason(
AGG_TX_STATE_LAST_SENT_TTL_MSK),
priv->_agn.reply_agg_tx_stats.last_sent_ttl);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_agg_tx_fail_reason(
AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
priv->_agn.reply_agg_tx_stats.last_sent_try);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_agg_tx_fail_reason(
AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
priv->_agn.reply_agg_tx_stats.last_sent_bt_kill);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
priv->_agn.reply_agg_tx_stats.scd_query);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
iwl_get_agg_tx_fail_reason(
AGG_TX_STATE_TEST_BAD_CRC32_MSK),
priv->_agn.reply_agg_tx_stats.bad_crc32);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
priv->_agn.reply_agg_tx_stats.response);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
priv->_agn.reply_agg_tx_stats.dump_tx);
pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
priv->_agn.reply_agg_tx_stats.delay_tx);
pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
priv->_agn.reply_agg_tx_stats.unknown);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
ssize_t ret;
struct iwl_sensitivity_data *data;
data = &priv->sensitivity_data;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
data->auto_corr_ofdm);
pos += scnprintf(buf + pos, bufsz - pos,
"auto_corr_ofdm_mrc:\t\t %u\n",
data->auto_corr_ofdm_mrc);
pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
data->auto_corr_ofdm_x1);
pos += scnprintf(buf + pos, bufsz - pos,
"auto_corr_ofdm_mrc_x1:\t\t %u\n",
data->auto_corr_ofdm_mrc_x1);
pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
data->auto_corr_cck);
pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
data->auto_corr_cck_mrc);
pos += scnprintf(buf + pos, bufsz - pos,
"last_bad_plcp_cnt_ofdm:\t\t %u\n",
data->last_bad_plcp_cnt_ofdm);
pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
data->last_fa_cnt_ofdm);
pos += scnprintf(buf + pos, bufsz - pos,
"last_bad_plcp_cnt_cck:\t\t %u\n",
data->last_bad_plcp_cnt_cck);
pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
data->last_fa_cnt_cck);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
data->nrg_curr_state);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
data->nrg_prev_state);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
for (cnt = 0; cnt < 10; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos, " %u",
data->nrg_value[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos, " %u",
data->nrg_silence_rssi[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
data->nrg_silence_ref);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
data->nrg_energy_idx);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
data->nrg_silence_idx);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
data->nrg_th_cck);
pos += scnprintf(buf + pos, bufsz - pos,
"nrg_auto_corr_silence_diff:\t %u\n",
data->nrg_auto_corr_silence_diff);
pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
data->num_in_cck_no_fa);
pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
data->nrg_th_ofdm);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
int cnt = 0;
char *buf;
int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
ssize_t ret;
struct iwl_chain_noise_data *data;
data = &priv->chain_noise_data;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IWL_ERR(priv, "Can not allocate Buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
data->active_chains);
pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
data->chain_noise_a);
pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
data->chain_noise_b);
pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
data->chain_noise_c);
pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
data->chain_signal_a);
pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
data->chain_signal_b);
pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
data->chain_signal_c);
pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
data->beacon_count);
pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos, " %u",
data->disconn_array[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
pos += scnprintf(buf + pos, bufsz - pos, " %u",
data->delta_gain_code[cnt]);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
data->radio_write);
pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
data->state);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[60];
int pos = 0;
const size_t bufsz = sizeof(buf);
u32 pwrsave_status;
pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
CSR_GP_REG_POWER_SAVE_STATUS_MSK;
pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
(pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
(pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
(pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
"error");
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int clear;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &clear) != 1)
return -EFAULT;
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
iwl_send_statistics_request(priv, CMD_SYNC, true);
mutex_unlock(&priv->mutex);
return count;
}
static ssize_t iwl_dbgfs_csr_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int csr;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &csr) != 1)
return -EFAULT;
iwl_dump_csr(priv);
return count;
}
static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
char buf[128];
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
priv->event_log.ucode_trace ? "On" : "Off");
pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
priv->event_log.non_wraps_count);
pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
priv->event_log.wraps_once_count);
pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
priv->event_log.wraps_more_count);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int trace;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &trace) != 1)
return -EFAULT;
if (trace) {
priv->event_log.ucode_trace = true;
/* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
mod_timer(&priv->ucode_trace,
jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
} else {
priv->event_log.ucode_trace = false;
del_timer_sync(&priv->ucode_trace);
}
return count;
}
static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int len = 0;
char buf[20];
len = sprintf(buf, "0x%04X\n",
le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int len = 0;
char buf[20];
len = sprintf(buf, "0x%04X\n",
le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char *buf;
int pos = 0;
ssize_t ret = -EFAULT;
ret = pos = iwl_dump_fh(priv, &buf, true);
if (buf) {
ret = simple_read_from_buffer(user_buf,
count, ppos, buf, pos);
kfree(buf);
}
return ret;
}
static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
char buf[12];
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
priv->missed_beacon_threshold);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int missed;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &missed) != 1)
return -EINVAL;
if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
priv->missed_beacon_threshold =
IWL_MISSED_BEACON_THRESHOLD_DEF;
else
priv->missed_beacon_threshold = missed;
return count;
}
static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int pos = 0;
char buf[12];
const size_t bufsz = sizeof(buf);
pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
priv->cfg->base_params->plcp_delta_threshold);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int plcp;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &plcp) != 1)
return -EINVAL;
if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
(plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
priv->cfg->base_params->plcp_delta_threshold =
IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
else
priv->cfg->base_params->plcp_delta_threshold = plcp;
return count;
}
static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
int i, pos = 0;
char buf[300];
const size_t bufsz = sizeof(buf);
struct iwl_force_reset *force_reset;
for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
force_reset = &priv->force_reset[i];
pos += scnprintf(buf + pos, bufsz - pos,
"Force reset method %d\n", i);
pos += scnprintf(buf + pos, bufsz - pos,
"\tnumber of reset request: %d\n",
force_reset->reset_request_count);
pos += scnprintf(buf + pos, bufsz - pos,
"\tnumber of reset request success: %d\n",
force_reset->reset_success_count);
pos += scnprintf(buf + pos, bufsz - pos,
"\tnumber of reset request reject: %d\n",
force_reset->reset_reject_count);
pos += scnprintf(buf + pos, bufsz - pos,
"\treset duration: %lu\n",
force_reset->reset_duration);
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int reset, ret;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &reset) != 1)
return -EINVAL;
switch (reset) {
case IWL_RF_RESET:
case IWL_FW_RESET:
ret = iwl_force_reset(priv, reset, true);
break;
default:
return -EINVAL;
}
return ret ? ret : count;
}
static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int flush;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &flush) != 1)
return -EINVAL;
if (iwl_is_rfkill(priv))
return -EFAULT;
iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
return count;
}
static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int timeout;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &timeout) != 1)
return -EINVAL;
if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
timeout = IWL_DEF_WD_TIMEOUT;
priv->cfg->base_params->wd_timeout = timeout;
iwl_setup_watchdog(priv);
return count;
}
static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
int pos = 0;
char buf[200];
const size_t bufsz = sizeof(buf);
if (!priv->bt_enable_flag) {
pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
priv->bt_enable_flag);
pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
priv->bt_full_concurrent ? "full concurrency" : "3-wire");
pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
"last traffic notif: %d\n",
priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
"kill_ack_mask: %x, kill_cts_mask: %x\n",
priv->bt_ch_announce, priv->kill_ack_mask,
priv->kill_cts_mask);
pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
switch (priv->bt_traffic_load) {
case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
break;
case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
pos += scnprintf(buf + pos, bufsz - pos, "High\n");
break;
case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
break;
case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
default:
pos += scnprintf(buf + pos, bufsz - pos, "None\n");
break;
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
int pos = 0;
char buf[40];
const size_t bufsz = sizeof(buf);
if (priv->cfg->ht_params)
pos += scnprintf(buf + pos, bufsz - pos,
"use %s for aggregation\n",
(priv->cfg->ht_params->use_rts_for_aggregation) ?
"rts/cts" : "cts-to-self");
else
pos += scnprintf(buf + pos, bufsz - pos, "N/A");
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int rts;
if (!priv->cfg->ht_params)
return -EINVAL;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &rts) != 1)
return -EINVAL;
if (rts)
priv->cfg->ht_params->use_rts_for_aggregation = true;
else
priv->cfg->ht_params->use_rts_for_aggregation = false;
return count;
}
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
DEBUGFS_READ_FILE_OPS(rx_queue);
DEBUGFS_READ_FILE_OPS(tx_queue);
DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
DEBUGFS_READ_FILE_OPS(sensitivity);
DEBUGFS_READ_FILE_OPS(chain_noise);
DEBUGFS_READ_FILE_OPS(power_save_status);
DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
DEBUGFS_WRITE_FILE_OPS(csr);
DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
DEBUGFS_READ_FILE_OPS(fh_reg);
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
DEBUGFS_READ_FILE_OPS(rxon_flags);
DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
DEBUGFS_WRITE_FILE_OPS(wd_timeout);
DEBUGFS_READ_FILE_OPS(bt_traffic);
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
/*
* Create the debugfs files and directories
*
*/
int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
{
struct dentry *phyd = priv->hw->wiphy->debugfsdir;
struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
dir_drv = debugfs_create_dir(name, phyd);
if (!dir_drv)
return -ENOMEM;
priv->debugfs_dir = dir_drv;
dir_data = debugfs_create_dir("data", dir_drv);
if (!dir_data)
goto err;
dir_rf = debugfs_create_dir("rf", dir_drv);
if (!dir_rf)
goto err;
dir_debug = debugfs_create_dir("debug", dir_drv);
if (!dir_debug)
goto err;
DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
if (iwl_advanced_bt_coexist(priv))
DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
&priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
&priv->disable_chain_noise_cal);
return 0;
err:
IWL_ERR(priv, "Can't create the debugfs directory\n");
iwl_dbgfs_unregister(priv);
return -ENOMEM;
}
/**
* Remove the debugfs files and directories
*
*/
void iwl_dbgfs_unregister(struct iwl_priv *priv)
{
if (!priv->debugfs_dir)
return;
debugfs_remove_recursive(priv->debugfs_dir);
priv->debugfs_dir = NULL;
}
