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debugfs.c
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debugfs.c
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/*
* Copyright (C) 2006-2018, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*/
/* Description: This file implements debug fs related functions. */
#include <linux/debugfs.h>
#include <linux/etherdevice.h>
#include "sysadpt.h"
#include "core.h"
#include "utils.h"
#include "thermal.h"
#include "hif/fwcmd.h"
#include "hif/hif-ops.h"
#include "debugfs.h"
#define MWLWIFI_DEBUGFS_ADD_FILE(name) do { \
if (!debugfs_create_file(#name, 0644, priv->debugfs_phy, \
priv, &mwl_debugfs_##name##_fops)) \
return; \
} while (0)
#define MWLWIFI_DEBUGFS_FILE_OPS(name) \
static const struct file_operations mwl_debugfs_##name##_fops = { \
.read = mwl_debugfs_##name##_read, \
.write = mwl_debugfs_##name##_write, \
.open = simple_open, \
}
#define MWLWIFI_DEBUGFS_FILE_READ_OPS(name) \
static const struct file_operations mwl_debugfs_##name##_fops = { \
.read = mwl_debugfs_##name##_read, \
.open = simple_open, \
}
#define MWLWIFI_DEBUGFS_FILE_WRITE_OPS(name) \
static const struct file_operations mwl_debugfs_##name##_fops = { \
.write = mwl_debugfs_##name##_write, \
.open = simple_open, \
}
static const char chipname[MWLUNKNOWN][8] = {
"88W8864",
"88W8897",
"88W8964"
};
static void dump_data(char *p, int size, int *len, u8 *data,
int data_len, char *title)
{
int cur_byte = 0;
int i;
*len += scnprintf(p + *len, size - *len, "%s\n", title);
for (cur_byte = 0; cur_byte < data_len; cur_byte += 8) {
if ((cur_byte + 8) < data_len) {
for (i = 0; i < 8; i++)
*len += scnprintf(p + *len, size - *len,
"0x%02x ",
*(data + cur_byte + i));
*len += scnprintf(p + *len, size - *len, "\n");
} else {
for (i = 0; i < (data_len - cur_byte); i++)
*len += scnprintf(p + *len, size - *len,
"0x%02x ",
*(data + cur_byte + i));
*len += scnprintf(p + *len, size - *len, "\n");
break;
}
}
}
static void _dump_tx_hist_mu(char *p, int size, int *len, bool *printed,
u32 *total, u8 nss, u8 bw, u8 mcs, u8 sgi,
struct mwl_sta *sta_info)
{
char *bw_str[4] = {"ht20", "ht40", "ht80", "ht160"};
char *sgi_str[2] = {"lgi", "sgi"};
struct mwl_tx_hist_data *tx_hist_data;
u32 cnt, rateinfo, per0, per1, per2, per3, per4, ratemask;
tx_hist_data = &sta_info->tx_hist.mu_rate[nss][bw][sgi][mcs];
cnt = le32_to_cpu(tx_hist_data->cnt);
rateinfo = le32_to_cpu(tx_hist_data->rateinfo);
if (cnt && (rateinfo > 0)) {
*total += cnt;
per4 = le32_to_cpu(tx_hist_data->per[4]);
per3 = le32_to_cpu(tx_hist_data->per[3]);
per2 = le32_to_cpu(tx_hist_data->per[2]);
per1 = le32_to_cpu(tx_hist_data->per[1]);
per0 = le32_to_cpu(tx_hist_data->per[0]);
if (!*printed) {
*len += scnprintf(p + *len, size - *len,
"%s %26s <%2d %8s%2d%8s%2d%8s%2d%8s%2d\n",
"MU_MIMO rate", " PER%", TX_HISTO_PER_THRES[0],
">=", TX_HISTO_PER_THRES[0],
">=", TX_HISTO_PER_THRES[1],
">=", TX_HISTO_PER_THRES[2],
">=", TX_HISTO_PER_THRES[3]);
*len += scnprintf(p + *len, size - *len,
"TOTAL MPDU tx pkt: %d\n",
sta_info->tx_hist.total_tx_cnt[MU_MIMO]);
*printed = true;
}
if ((rateinfo & 0x3) == 0)
ratemask = 0xfff;
else
ratemask = 0xffff;
if ((sta_info->tx_hist.cur_rate_info[MU_MIMO] & ratemask) ==
(rateinfo & ratemask))
/* mark as current rate */
*len += scnprintf(p + *len, size - *len, "*");
else
*len += scnprintf(p + *len, size - *len, " ");
*len += scnprintf(p + *len, size - *len,
"%5s_%3s_%1dSS_MCS%2d: %10u, %9d, %9d, %9d, %9d, %9d\n",
bw_str[bw], sgi_str[sgi], (nss + 1), mcs, cnt, per0,
per1, per2, per3, per4);
}
}
static void dump_tx_hist_mu(char *p, int size, int *len, bool *printed,
u32 *total, struct mwl_sta *sta_info)
{
u8 nss, bw, mcs, sgi;
for (nss = 0; nss < (QS_NUM_SUPPORTED_11AC_NSS - 1); nss++) {
for (bw = 0; bw < QS_NUM_SUPPORTED_11AC_BW; bw++) {
for (mcs = 0; mcs < QS_NUM_SUPPORTED_11AC_MCS; mcs++) {
for (sgi = 0; sgi < QS_NUM_SUPPORTED_GI;
sgi++) {
_dump_tx_hist_mu(p, size, len, printed,
total, nss, bw, mcs,
sgi, sta_info);
}
}
}
}
}
static void dump_tx_hist_su(char *p, int size, int *len, bool su, bool *printed,
u32 *total, struct mwl_sta *sta_info)
{
int g_rate[14] = {1, 2, 5, 11, 22, 6, 9, 12, 18, 24, 36, 48, 54, 72};
char *bw_str[4] = {"ht20", "ht40", "ht80", "ht160"};
char *sgi_str[2] = {"lgi", "sgi"};
char title_str[32];
struct mwl_tx_hist *tx_hist;
struct mwl_tx_hist_data *tx_hist_data;
u32 j, loopcnt;
u32 cnt, rateinfo, per0, per1, per2, per3, per4, ratemask;
u8 format, bw, sgi, mcs, nss;
tx_hist = &sta_info->tx_hist;
if (su) {
loopcnt = MAX_SUPPORTED_RATES;
tx_hist_data = &tx_hist->su_rate[0];
} else {
loopcnt = TX_RATE_HISTO_CUSTOM_CNT;
tx_hist_data = &tx_hist->custom_rate[0];
}
for (j = 0; j < loopcnt; j++) {
cnt = le32_to_cpu(tx_hist_data[j].cnt);
rateinfo = le32_to_cpu(tx_hist_data[j].rateinfo);
if (cnt && (rateinfo > 0)) {
*total += cnt;
per4 = le32_to_cpu(tx_hist_data[j].per[4]);
per3 = le32_to_cpu(tx_hist_data[j].per[3]);
per2 = le32_to_cpu(tx_hist_data[j].per[2]);
per1 = le32_to_cpu(tx_hist_data[j].per[1]);
per0 = le32_to_cpu(tx_hist_data[j].per[0]);
if (!*printed) {
*len += scnprintf(p + *len, size - *len,
"%s %26s <%2d %8s%2d%8s%2d%8s%2d%8s%2d\n",
su ? "SU_MIMO rate" : " Custom rate",
" PER%", TX_HISTO_PER_THRES[0],
">=", TX_HISTO_PER_THRES[0],
">=", TX_HISTO_PER_THRES[1],
">=", TX_HISTO_PER_THRES[2],
">=", TX_HISTO_PER_THRES[3]);
*len += scnprintf(p + *len, size - *len,
"TOTAL MPDU tx pkt: %d\n",
tx_hist->total_tx_cnt[SU_MIMO]);
*printed = true;
}
format = rateinfo & MWL_TX_RATE_FORMAT_MASK;
bw = (rateinfo & MWL_TX_RATE_BANDWIDTH_MASK) >>
MWL_TX_RATE_BANDWIDTH_SHIFT;
sgi = (rateinfo & MWL_TX_RATE_SHORTGI_MASK) >>
MWL_TX_RATE_SHORTGI_SHIFT;
mcs = (rateinfo & MWL_TX_RATE_RATEIDMCS_MASK) >>
MWL_TX_RATE_RATEIDMCS_SHIFT;
if (format == TX_RATE_FORMAT_LEGACY)
ratemask = 0xfff;
else
ratemask = 0xffff;
if ((tx_hist->cur_rate_info[SU_MIMO] & ratemask) ==
(rateinfo & ratemask))
/* mark as current rate */
*len += scnprintf(p + *len, size - *len, "*");
else
*len += scnprintf(p + *len, size - *len, " ");
if (format == TX_RATE_FORMAT_LEGACY) {
if (mcs == 2) {
*len += scnprintf(p + *len, size - *len,
"%s %10u, %9d, %9d, %9d, %9d, %9d\n",
"5.5Mbps :", cnt, per0,
per1, per2, per3, per4);
} else {
sprintf(title_str,
"%-3dMbps :",
g_rate[mcs]);
*len += scnprintf(p + *len, size - *len,
"%s %10u, %9d, %9d, %9d, %9d, %9d\n",
title_str, cnt, per0, per1, per2, per3,
per4);
}
} else if (format == TX_RATE_FORMAT_11N) {
sprintf(title_str, "%4s_%3s_MCS%2d :",
bw_str[bw], sgi_str[sgi], mcs);
*len += scnprintf(p + *len, size - *len,
"%s %10u, %9d, %9d, %9d, %9d, %9d\n",
title_str, cnt, per0, per1, per2, per3,
per4);
} else {
nss = (mcs >> 4);
sprintf(title_str, "%5s_%3s_%1dSS_MCS%2d :",
bw_str[bw], sgi_str[sgi], (nss+1),
(mcs & 0xf));
*len += scnprintf(p + *len, size - *len,
"%s %10u, %9d, %9d, %9d, %9d, %9d\n",
title_str, cnt, per0, per1, per2, per3,
per4);
}
}
}
}
static void dump_tx_hist(char *p, int size, int *len, struct mwl_sta *sta_info)
{
int type;
bool printed, su;
u32 total;
for (type = 0; type <= SU_MU_TYPE_CNT; type++) {
printed = false;
total = 0;
if (type == MU_MIMO) {
dump_tx_hist_mu(p, size, len, &printed,
&total, sta_info);
} else {
su = (type == SU_MIMO) ? true : false;
dump_tx_hist_su(p, size, len, su, &printed,
&total, sta_info);
}
if (printed)
*len += scnprintf(p + *len, size - *len,
" TOTAL : %10u\n\n",
total);
}
}
static void core_dump_file(u8 *valbuf, u32 length, u32 region, u32 address,
u32 append, u32 totallen, bool textmode)
{
struct file *filp_core = NULL;
char file_name[40];
u8 *buf = kmalloc(length * 3, GFP_KERNEL);
u8 *data_p = buf;
u32 i, j = 0;
if (!buf)
return;
memset(file_name, 0, sizeof(file_name));
sprintf(file_name, "/dev/shm/coredump-%x-%x",
region, (region + totallen));
if (append)
filp_core = filp_open(file_name, O_RDWR | O_APPEND, 0);
else
filp_core = filp_open(file_name, O_RDWR | O_CREAT | O_TRUNC, 0);
if (!IS_ERR(filp_core)) {
if (textmode) {
for (i = 0; i < length; i += 4) {
u32 val = 0;
val = le32_to_cpu(*(__le32 *)(&valbuf[i]));
if (i % 16 == 0) {
sprintf(buf + j, "\n0x%08x",
(int)(address + i));
j = strlen(buf);
}
sprintf(buf + j, " %08x", val);
j = strlen(buf);
}
data_p = buf + j;
data_p += sprintf(data_p, "\n");
__kernel_write(filp_core, buf, strlen(buf),
&filp_core->f_pos);
} else
__kernel_write(filp_core, valbuf, length,
&filp_core->f_pos);
filp_close(filp_core, current->files);
}
kfree(buf);
}
static ssize_t mwl_debugfs_info_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
int tx_num = 4, rx_num = 4;
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += scnprintf(p + len, size - len,
"driver name: %s\n",
mwl_hif_get_driver_name(priv->hw));
len += scnprintf(p + len, size - len, "chip type: %s\n",
chipname[priv->chip_type]);
len += scnprintf(p + len, size - len,
"hw version: %X\n", priv->hw_data.hw_version);
len += scnprintf(p + len, size - len,
"driver version: %s\n",
mwl_hif_get_driver_version(priv->hw));
len += scnprintf(p + len, size - len, "firmware version: 0x%08x\n",
priv->hw_data.fw_release_num);
len += scnprintf(p + len, size - len,
"power table loaded from dts: %s\n",
priv->forbidden_setting ? "no" : "yes");
len += scnprintf(p + len, size - len, "firmware region code: 0x%x\n",
priv->fw_region_code);
len += scnprintf(p + len, size - len,
"mac address: %pM\n", priv->hw_data.mac_addr);
len += scnprintf(p + len, size - len,
"2g: %s\n", priv->disable_2g ? "disable" : "enable");
len += scnprintf(p + len, size - len,
"5g: %s\n", priv->disable_5g ? "disable" : "enable");
if (priv->antenna_tx == ANTENNA_TX_2)
tx_num = 2;
else if (priv->antenna_tx == ANTENNA_TX_3)
tx_num = 3;
if (priv->antenna_rx == ANTENNA_RX_2)
rx_num = 2;
else if (priv->antenna_rx == ANTENNA_RX_3)
rx_num = 3;
len += scnprintf(p + len, size - len, "antenna: %d %d\n",
tx_num, rx_num);
len += scnprintf(p + len, size - len, "irq number: %d\n", priv->irq);
len += scnprintf(p + len, size - len, "ap macid support: %08x\n",
priv->ap_macids_supported);
len += scnprintf(p + len, size - len, "sta macid support: %08x\n",
priv->sta_macids_supported);
len += scnprintf(p + len, size - len,
"macid used: %08x\n", priv->macids_used);
len += scnprintf(p + len, size - len,
"radio: %s\n", priv->radio_on ? "enable" : "disable");
len += mwl_hif_get_info(priv->hw, p + len, size - len);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_tx_status_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += mwl_hif_get_tx_status(priv->hw, p + len, size - len);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_rx_status_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += mwl_hif_get_rx_status(priv->hw, p + len, size - len);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_vif_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
struct mwl_vif *mwl_vif;
struct ieee80211_vif *vif;
char ssid[IEEE80211_MAX_SSID_LEN + 1];
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
spin_lock_bh(&priv->vif_lock);
list_for_each_entry(mwl_vif, &priv->vif_list, list) {
vif = container_of((void *)mwl_vif, struct ieee80211_vif,
drv_priv);
len += scnprintf(p + len, size - len,
"macid: %d\n", mwl_vif->macid);
switch (vif->type) {
case NL80211_IFTYPE_AP:
len += scnprintf(p + len, size - len, "type: ap\n");
memcpy(ssid, vif->bss_conf.ssid,
vif->bss_conf.ssid_len);
ssid[vif->bss_conf.ssid_len] = 0;
len += scnprintf(p + len, size - len,
"ssid: %s\n", ssid);
len += scnprintf(p + len, size - len,
"mac address: %pM\n", mwl_vif->bssid);
break;
case NL80211_IFTYPE_STATION:
len += scnprintf(p + len, size - len, "type: sta\n");
len += scnprintf(p + len, size - len,
"mac address: %pM\n",
mwl_vif->sta_mac);
break;
default:
len += scnprintf(p + len, size - len,
"type: unknown\n");
break;
}
len += scnprintf(p + len, size - len, "hw_crypto_enabled: %s\n",
mwl_vif->is_hw_crypto_enabled ?
"true" : "false");
len += scnprintf(p + len, size - len,
"key idx: %d\n", mwl_vif->keyidx);
len += scnprintf(p + len, size - len,
"IV: %08x%04x\n", mwl_vif->iv32,
mwl_vif->iv16);
dump_data(p, size, &len, mwl_vif->beacon_info.ie_wmm_ptr,
mwl_vif->beacon_info.ie_wmm_len, "WMM:");
dump_data(p, size, &len, mwl_vif->beacon_info.ie_rsn_ptr,
mwl_vif->beacon_info.ie_rsn_len, "RSN:");
dump_data(p, size, &len, mwl_vif->beacon_info.ie_rsn48_ptr,
mwl_vif->beacon_info.ie_rsn48_len, "RSN48:");
dump_data(p, size, &len, mwl_vif->beacon_info.ie_mde_ptr,
mwl_vif->beacon_info.ie_mde_len, "MDE:");
dump_data(p, size, &len, mwl_vif->beacon_info.ie_ht_ptr,
mwl_vif->beacon_info.ie_ht_len, "HT:");
dump_data(p, size, &len, mwl_vif->beacon_info.ie_vht_ptr,
mwl_vif->beacon_info.ie_vht_len, "VHT:");
len += scnprintf(p + len, size - len, "\n");
}
spin_unlock_bh(&priv->vif_lock);
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_sta_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
struct mwl_sta *sta_info;
struct ieee80211_sta *sta;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
spin_lock_bh(&priv->sta_lock);
list_for_each_entry(sta_info, &priv->sta_list, list) {
sta = container_of((void *)sta_info, struct ieee80211_sta,
drv_priv);
len += scnprintf(p + len, size - len,
"mac address: %pM\n", sta->addr);
len += scnprintf(p + len, size - len, "aid: %u\n", sta->aid);
len += scnprintf(p + len, size - len, "ampdu: %s\n",
sta_info->is_ampdu_allowed ? "true" : "false");
len += scnprintf(p + len, size - len, "amsdu: %s\n",
sta_info->is_amsdu_allowed ? "true" : "false");
len += scnprintf(p + len, size - len, "wds: %s\n",
sta_info->wds ? "true" : "false");
len += scnprintf(p + len, size - len, "ba_hist: %s\n",
sta_info->ba_hist.enable ?
"enable" : "disable");
if (sta_info->is_amsdu_allowed) {
len += scnprintf(p + len, size - len,
"amsdu cap: 0x%02x\n",
sta_info->amsdu_ctrl.cap);
}
if (sta->ht_cap.ht_supported) {
len += scnprintf(p + len, size - len,
"ht_cap: 0x%04x, ampdu: %02x, %02x\n",
sta->ht_cap.cap,
sta->ht_cap.ampdu_factor,
sta->ht_cap.ampdu_density);
len += scnprintf(p + len, size - len,
"rx_mask: 0x%02x, %02x, %02x, %02x\n",
sta->ht_cap.mcs.rx_mask[0],
sta->ht_cap.mcs.rx_mask[1],
sta->ht_cap.mcs.rx_mask[2],
sta->ht_cap.mcs.rx_mask[3]);
}
if (sta->vht_cap.vht_supported) {
len += scnprintf(p + len, size - len,
"vht_cap: 0x%08x, mcs: %02x, %02x\n",
sta->vht_cap.cap,
sta->vht_cap.vht_mcs.rx_mcs_map,
sta->vht_cap.vht_mcs.tx_mcs_map);
}
len += scnprintf(p + len, size - len, "rx_bw: %d, rx_nss: %d\n",
sta->bandwidth, sta->rx_nss);
len += scnprintf(p + len, size - len,
"tdls: %d, tdls_init: %d\n",
sta->tdls, sta->tdls_initiator);
len += scnprintf(p + len, size - len, "wme: %d, mfp: %d\n",
sta->wme, sta->mfp);
len += scnprintf(p + len, size - len, "IV: %08x%04x\n",
sta_info->iv32, sta_info->iv16);
len += scnprintf(p + len, size - len, "\n");
}
spin_unlock_bh(&priv->sta_lock);
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_ampdu_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
struct mwl_ampdu_stream *stream;
int i;
struct mwl_sta *sta_info;
struct ieee80211_sta *sta;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
spin_lock_bh(&priv->stream_lock);
for (i = 0; i < priv->ampdu_num; i++) {
stream = &priv->ampdu[i];
if (!stream->state)
continue;
len += scnprintf(p + len, size - len, "stream: %d\n", i);
len += scnprintf(p + len, size - len, "idx: %u\n", stream->idx);
len += scnprintf(p + len, size - len,
"state: %u\n", stream->state);
if (stream->sta) {
len += scnprintf(p + len, size - len,
"mac address: %pM\n",
stream->sta->addr);
len += scnprintf(p + len, size - len,
"tid: %u\n", stream->tid);
}
}
spin_unlock_bh(&priv->stream_lock);
spin_lock_bh(&priv->sta_lock);
list_for_each_entry(sta_info, &priv->sta_list, list) {
for (i = 0; i < MWL_MAX_TID; i++) {
if (sta_info->check_ba_failed[i]) {
sta = container_of((void *)sta_info,
struct ieee80211_sta,
drv_priv);
len += scnprintf(p + len, size - len,
"%pM(%d): %d\n",
sta->addr, i,
sta_info->check_ba_failed[i]);
}
}
}
spin_unlock_bh(&priv->sta_lock);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_stnid_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
struct mwl_stnid *stnid;
int i;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
spin_lock_bh(&priv->stnid_lock);
for (i = 0; i < priv->stnid_num; i++) {
stnid = &priv->stnid[i];
if (!stnid->aid)
continue;
len += scnprintf(p + len, size - len,
"stnid: %d macid: %d aid: %d\n",
i + 1, stnid->macid, stnid->aid);
}
spin_unlock_bh(&priv->stnid_lock);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_device_pwrtbl_read(struct file *file,
char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
int i, j;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += scnprintf(p + len, size - len,
"power table loaded from dts: %s\n",
priv->forbidden_setting ? "no" : "yes");
len += scnprintf(p + len, size - len, "firmware region code: 0x%x\n",
priv->fw_region_code);
len += scnprintf(p + len, size - len, "number of channel: %d\n",
priv->number_of_channels);
for (i = 0; i < priv->number_of_channels; i++) {
len += scnprintf(p + len, size - len, "%3d ",
priv->device_pwr_tbl[i].channel);
for (j = 0; j < SYSADPT_TX_POWER_LEVEL_TOTAL; j++)
len += scnprintf(p + len, size - len, "%3d ",
priv->device_pwr_tbl[i].tx_pwr[j]);
len += scnprintf(p + len, size - len, "%3d ",
priv->device_pwr_tbl[i].dfs_capable);
len += scnprintf(p + len, size - len, "%3d ",
priv->device_pwr_tbl[i].ax_ant);
len += scnprintf(p + len, size - len, "%3d\n",
priv->device_pwr_tbl[i].cdd);
}
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_tx_amsdu_read(struct file *file,
char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += scnprintf(p + len, size - len, "tx amsdu: %s\n",
priv->tx_amsdu ? "enable" : "disable");
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_tx_amsdu_write(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1);
int value;
ssize_t ret;
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, ubuf, buf_size)) {
ret = -EFAULT;
goto err;
}
if (kstrtoint(buf, 0, &value)) {
ret = -EINVAL;
goto err;
}
priv->tx_amsdu = value ? true : false;
ret = count;
err:
free_page(addr);
return ret;
}
static ssize_t mwl_debugfs_dfs_channel_read(struct file *file,
char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *channel;
int i;
ssize_t ret;
if (!p)
return -ENOMEM;
sband = priv->hw->wiphy->bands[NL80211_BAND_5GHZ];
if (!sband) {
ret = -EINVAL;
goto err;
}
len += scnprintf(p + len, size - len, "\n");
for (i = 0; i < sband->n_channels; i++) {
channel = &sband->channels[i];
if (channel->flags & IEEE80211_CHAN_RADAR) {
len += scnprintf(p + len, size - len,
"%d(%d): flags: %08x dfs_state: %d\n",
channel->hw_value,
channel->center_freq,
channel->flags, channel->dfs_state);
len += scnprintf(p + len, size - len,
"cac timer: %d ms\n",
channel->dfs_cac_ms);
}
}
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
err:
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_dfs_channel_write(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
struct ieee80211_supported_band *sband;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1);
int dfs_state = 0;
int cac_time = -1;
struct ieee80211_channel *channel;
int i;
ssize_t ret;
if (!buf)
return -ENOMEM;
sband = priv->hw->wiphy->bands[NL80211_BAND_5GHZ];
if (!sband) {
ret = -EINVAL;
goto err;
}
if (copy_from_user(buf, ubuf, buf_size)) {
ret = -EFAULT;
goto err;
}
ret = sscanf(buf, "%d %d", &dfs_state, &cac_time);
if ((ret < 1) || (ret > 2)) {
ret = -EINVAL;
goto err;
}
for (i = 0; i < sband->n_channels; i++) {
channel = &sband->channels[i];
if (channel->flags & IEEE80211_CHAN_RADAR) {
channel->dfs_state = dfs_state;
if (cac_time != -1)
channel->dfs_cac_ms = cac_time * 1000;
}
}
ret = count;
err:
free_page(addr);
return ret;
}
static ssize_t mwl_debugfs_dfs_radar_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
len += scnprintf(p + len, size - len, "\n");
len += scnprintf(p + len, size - len,
"csa_active: %d\n", priv->csa_active);
len += scnprintf(p + len, size - len,
"dfs_region: %d\n", priv->dfs_region);
len += scnprintf(p + len, size - len,
"chirp_count_min: %d\n", priv->dfs_chirp_count_min);
len += scnprintf(p + len, size - len, "chirp_time_interval: %d\n",
priv->dfs_chirp_time_interval);
len += scnprintf(p + len, size - len,
"pw_filter: %d\n", priv->dfs_pw_filter);
len += scnprintf(p + len, size - len,
"min_num_radar: %d\n", priv->dfs_min_num_radar);
len += scnprintf(p + len, size - len,
"min_pri_count: %d\n", priv->dfs_min_pri_count);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_dfs_radar_write(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
wiphy_info(priv->hw->wiphy, "simulate radar detected\n");
ieee80211_radar_detected(priv->hw);
return count;
}
static ssize_t mwl_debugfs_thermal_read(struct file *file,
char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (!p)
return -ENOMEM;
mwl_fwcmd_get_temp(priv->hw, &priv->temperature);
len += scnprintf(p + len, size - len, "\n");
len += scnprintf(p + len, size - len, "quiet period: %d\n",
priv->quiet_period);
len += scnprintf(p + len, size - len, "throttle state: %d\n",
priv->throttle_state);
len += scnprintf(p + len, size - len, "temperature: %d\n",
priv->temperature);
len += scnprintf(p + len, size - len, "\n");
ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
free_page(page);
return ret;
}
static ssize_t mwl_debugfs_thermal_write(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1);
int throttle_state;
ssize_t ret;
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, ubuf, buf_size)) {
ret = -EFAULT;
goto err;
}
if (kstrtoint(buf, 0, &throttle_state)) {
ret = -EINVAL;
goto err;
}
if (throttle_state > SYSADPT_THERMAL_THROTTLE_MAX) {
wiphy_warn(priv->hw->wiphy,
"throttle state %d is exceeding the limit %d\n",
throttle_state, SYSADPT_THERMAL_THROTTLE_MAX);
ret = -EINVAL;
goto err;
}
priv->throttle_state = throttle_state;
mwl_thermal_set_throttling(priv);
ret = count;
err:
free_page(addr);
return ret;
}
static ssize_t mwl_debugfs_regrdwr_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwl_priv *priv = (struct mwl_priv *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
int len = 0, size = PAGE_SIZE;
ssize_t ret;
if (*ppos)