// SPDX-License-Identifier: GPL-2.0-only
/*
* NXP Wireless LAN device driver : debugfs
*
* Copyright 2011 - 2020 NXP
*/
#include <linux/debugfs.h>
#include "main.h"
#include "11n.h"
static struct dentry *mwifiex_dfs_dir;
static char *bss_modes[] = {
"UNSPECIFIED" ,
"ADHOC" ,
"STATION" ,
"AP" ,
"AP_VLAN" ,
"WDS" ,
"MONITOR" ,
"MESH_POINT" ,
"P2P_CLIENT" ,
"P2P_GO" ,
"P2P_DEVICE" ,
};
/*
* Proc info file read handler .
*
* This function is called when the ' info ' file is opened for reading .
* It prints the following driver related information -
* - Driver name
* - Driver version
* - Driver extended version
* - Interface name
* - BSS mode
* - Media state ( connected or disconnected )
* - MAC address
* - Total number of Tx bytes
* - Total number of Rx bytes
* - Total number of Tx packets
* - Total number of Rx packets
* - Total number of dropped Tx packets
* - Total number of dropped Rx packets
* - Total number of corrupted Tx packets
* - Total number of corrupted Rx packets
* - Carrier status ( on or off )
* - Tx queue status ( started or stopped )
*
* For STA mode drivers , it also prints the following extra -
* - ESSID
* - BSSID
* - Channel
* - Region code
* - Multicast count
* - Multicast addresses
*/
static ssize_t
mwifiex_info_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
struct net_device *netdev = priv->netdev;
struct netdev_hw_addr *ha;
struct netdev_queue *txq;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *) page, fmt[64 ];
struct mwifiex_bss_info info;
ssize_t ret;
int i = 0 ;
if (!p)
return -ENOMEM;
memset(&info, 0 , sizeof (info));
ret = mwifiex_get_bss_info(priv, &info);
if (ret)
goto free_and_exit;
mwifiex_drv_get_driver_version(priv->adapter, fmt, sizeof (fmt) - 1 );
mwifiex_get_ver_ext(priv, 0 );
p += sprintf(p, "driver_name = " "\" mwifiex\"\n" );
p += sprintf(p, "driver_version = %s" , fmt);
p += sprintf(p, "\nverext = %s" , priv->version_str);
p += sprintf(p, "\ninterface_name=\" %s\"\n" , netdev->name);
if (info.bss_mode >= ARRAY_SIZE(bss_modes))
p += sprintf(p, "bss_mode=\" %d\"\n" , info.bss_mode);
else
p += sprintf(p, "bss_mode=\" %s\"\n" , bss_modes[info.bss_mode]);
p += sprintf(p, "media_state=\" %s\"\n" ,
(!priv->media_connected ? "Disconnected" : "Connected" ));
p += sprintf(p, "mac_address=\" %pM\"\n" , netdev->dev_addr);
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) {
p += sprintf(p, "multicast_count=\" %d\"\n" ,
netdev_mc_count(netdev));
p += sprintf(p, "essid=\" %.*s\"\n" , info.ssid.ssid_len,
info.ssid.ssid);
p += sprintf(p, "bssid=\" %pM\"\n" , info.bssid);
p += sprintf(p, "channel=\" %d\"\n" , (int ) info.bss_chan);
p += sprintf(p, "country_code = \" %s\"\n" , info.country_code);
p += sprintf(p, "region_code=\" 0 x%x\"\n" ,
priv->adapter->region_code);
netdev_for_each_mc_addr(ha, netdev)
p += sprintf(p, "multicast_address[%d]=\" %pM\"\n" ,
i++, ha->addr);
}
p += sprintf(p, "num_tx_bytes = %lu\n" , priv->stats.tx_bytes);
p += sprintf(p, "num_rx_bytes = %lu\n" , priv->stats.rx_bytes);
p += sprintf(p, "num_tx_pkts = %lu\n" , priv->stats.tx_packets);
p += sprintf(p, "num_rx_pkts = %lu\n" , priv->stats.rx_packets);
p += sprintf(p, "num_tx_pkts_dropped = %lu\n" , priv->stats.tx_dropped);
p += sprintf(p, "num_rx_pkts_dropped = %lu\n" , priv->stats.rx_dropped);
p += sprintf(p, "num_tx_pkts_err = %lu\n" , priv->stats.tx_errors);
p += sprintf(p, "num_rx_pkts_err = %lu\n" , priv->stats.rx_errors);
p += sprintf(p, "carrier %s\n" , ((netif_carrier_ok(priv->netdev))
? "on" : "off" ));
p += sprintf(p, "tx queue" );
for (i = 0 ; i < netdev->num_tx_queues; i++) {
txq = netdev_get_tx_queue(netdev, i);
p += sprintf(p, " %d:%s" , i, netif_tx_queue_stopped(txq) ?
"stopped" : "started" );
}
p += sprintf(p, "\n" );
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
(unsigned long ) p - page);
free_and_exit:
free_page(page);
return ret;
}
/*
* Proc getlog file read handler .
*
* This function is called when the ' getlog ' file is opened for reading
* It prints the following log information -
* - Number of multicast Tx frames
* - Number of failed packets
* - Number of Tx retries
* - Number of multicast Tx retries
* - Number of duplicate frames
* - Number of RTS successes
* - Number of RTS failures
* - Number of ACK failures
* - Number of fragmented Rx frames
* - Number of multicast Rx frames
* - Number of FCS errors
* - Number of Tx frames
* - WEP ICV error counts
* - Number of received beacons
* - Number of missed beacons
*/
static ssize_t
mwifiex_getlog_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *) page;
ssize_t ret;
struct mwifiex_ds_get_stats stats;
if (!p)
return -ENOMEM;
memset(&stats, 0 , sizeof (stats));
ret = mwifiex_get_stats_info(priv, &stats);
if (ret)
goto free_and_exit;
p += sprintf(p, "\n"
"mcasttxframe %u\n"
"failed %u\n"
"retry %u\n"
"multiretry %u\n"
"framedup %u\n"
"rtssuccess %u\n"
"rtsfailure %u\n"
"ackfailure %u\n"
"rxfrag %u\n"
"mcastrxframe %u\n"
"fcserror %u\n"
"txframe %u\n"
"wepicverrcnt-1 %u\n"
"wepicverrcnt-2 %u\n"
"wepicverrcnt-3 %u\n"
"wepicverrcnt-4 %u\n"
"bcn_rcv_cnt %u\n"
"bcn_miss_cnt %u\n" ,
stats.mcast_tx_frame,
stats.failed,
stats.retry,
stats.multi_retry,
stats.frame_dup,
stats.rts_success,
stats.rts_failure,
stats.ack_failure,
stats.rx_frag,
stats.mcast_rx_frame,
stats.fcs_error,
stats.tx_frame,
stats.wep_icv_error[0 ],
stats.wep_icv_error[1 ],
stats.wep_icv_error[2 ],
stats.wep_icv_error[3 ],
stats.bcn_rcv_cnt,
stats.bcn_miss_cnt);
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
(unsigned long ) p - page);
free_and_exit:
free_page(page);
return ret;
}
/* Sysfs histogram file read handler.
*
* This function is called when the ' histogram ' file is opened for reading
* It prints the following histogram information -
* - Number of histogram samples
* - Receive packet number of each rx_rate
* - Receive packet number of each snr
* - Receive packet number of each nosie_flr
* - Receive packet number of each signal streath
*/
static ssize_t
mwifiex_histogram_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *)file->private_data;
ssize_t ret;
struct mwifiex_histogram_data *phist_data;
int i, value;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
if (!p)
return -ENOMEM;
if (!priv || !priv->hist_data) {
ret = -EFAULT;
goto free_and_exit;
}
phist_data = priv->hist_data;
p += sprintf(p, "\n"
"total samples = %d\n" ,
atomic_read(&phist_data->num_samples));
p += sprintf(p,
"rx rates (in Mbps): 0=1M 1=2M 2=5.5M 3=11M 4=6M 5=9M 6=12M\n"
"7=18M 8=24M 9=36M 10=48M 11=54M 12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n" );
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
p += sprintf(p,
"44-53=MCS0-9(VHT:BW20) 54-63=MCS0-9(VHT:BW40) 64-73=MCS0-9(VHT:BW80)\n\n" );
} else {
p += sprintf(p, "\n" );
}
for (i = 0 ; i < MWIFIEX_MAX_RX_RATES; i++) {
value = atomic_read(&phist_data->rx_rate[i]);
if (value)
p += sprintf(p, "rx_rate[%02d] = %d\n" , i, value);
}
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES;
i++) {
value = atomic_read(&phist_data->rx_rate[i]);
if (value)
p += sprintf(p, "rx_rate[%02d] = %d\n" ,
i, value);
}
}
for (i = 0 ; i < MWIFIEX_MAX_SNR; i++) {
value = atomic_read(&phist_data->snr[i]);
if (value)
p += sprintf(p, "snr[%02ddB] = %d\n" , i, value);
}
for (i = 0 ; i < MWIFIEX_MAX_NOISE_FLR; i++) {
value = atomic_read(&phist_data->noise_flr[i]);
if (value)
p += sprintf(p, "noise_flr[%02ddBm] = %d\n" ,
(int )(i-128 ), value);
}
for (i = 0 ; i < MWIFIEX_MAX_SIG_STRENGTH; i++) {
value = atomic_read(&phist_data->sig_str[i]);
if (value)
p += sprintf(p, "sig_strength[-%02ddBm] = %d\n" ,
i, value);
}
ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page,
(unsigned long )p - page);
free_and_exit:
free_page(page);
return ret;
}
static ssize_t
mwifiex_histogram_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = (void *)file->private_data;
if (priv && priv->hist_data)
mwifiex_hist_data_reset(priv);
return 0 ;
}
static struct mwifiex_debug_info info;
/*
* Proc debug file read handler .
*
* This function is called when the ' debug ' file is opened for reading
* It prints the following log information -
* - Interrupt count
* - WMM AC VO packets count
* - WMM AC VI packets count
* - WMM AC BE packets count
* - WMM AC BK packets count
* - Maximum Tx buffer size
* - Tx buffer size
* - Current Tx buffer size
* - Power Save mode
* - Power Save state
* - Deep Sleep status
* - Device wakeup required status
* - Number of wakeup tries
* - Host Sleep configured status
* - Host Sleep activated status
* - Number of Tx timeouts
* - Number of command timeouts
* - Last timed out command ID
* - Last timed out command action
* - Last command ID
* - Last command action
* - Last command index
* - Last command response ID
* - Last command response index
* - Last event
* - Last event index
* - Number of host to card command failures
* - Number of sleep confirm command failures
* - Number of host to card data failure
* - Number of deauthentication events
* - Number of disassociation events
* - Number of link lost events
* - Number of deauthentication commands
* - Number of association success commands
* - Number of association failure commands
* - Number of commands sent
* - Number of data packets sent
* - Number of command responses received
* - Number of events received
* - Tx BA stream table ( TID , RA )
* - Rx reorder table ( TID , TA , Start window , Window size , Buffer )
*/
static ssize_t
mwifiex_debug_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *) page;
ssize_t ret;
if (!p)
return -ENOMEM;
ret = mwifiex_get_debug_info(priv, &info);
if (ret)
goto free_and_exit;
p += mwifiex_debug_info_to_buffer(priv, p, &info);
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
(unsigned long ) p - page);
free_and_exit:
free_page(page);
return ret;
}
static u32 saved_reg_type, saved_reg_offset, saved_reg_value;
/*
* Proc regrdwr file write handler .
*
* This function is called when the ' regrdwr ' file is opened for writing
*
* This function can be used to write to a register .
*/
static ssize_t
mwifiex_regrdwr_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
char *buf;
int ret;
u32 reg_type = 0 , reg_offset = 0 , reg_value = UINT_MAX;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1 )));
if (IS_ERR(buf))
return PTR_ERR(buf);
if (sscanf(buf, "%u %x %x" , ®_type, ®_offset, ®_value) != 3 ) {
ret = -EINVAL;
goto done;
}
if (reg_type == 0 || reg_offset == 0 ) {
ret = -EINVAL;
goto done;
} else {
saved_reg_type = reg_type;
saved_reg_offset = reg_offset;
saved_reg_value = reg_value;
ret = count;
}
done:
kfree(buf);
return ret;
}
/*
* Proc regrdwr file read handler .
*
* This function is called when the ' regrdwr ' file is opened for reading
*
* This function can be used to read from a register .
*/
static ssize_t
mwifiex_regrdwr_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *) addr;
int pos = 0 , ret = 0 ;
u32 reg_value;
if (!buf)
return -ENOMEM;
if (!saved_reg_type) {
/* No command has been given */
pos += snprintf(buf, PAGE_SIZE, "0" );
goto done;
}
/* Set command has been given */
if (saved_reg_value != UINT_MAX) {
ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset,
saved_reg_value);
pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n" ,
saved_reg_type, saved_reg_offset,
saved_reg_value);
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
goto done;
}
/* Get command has been given */
ret = mwifiex_reg_read(priv, saved_reg_type,
saved_reg_offset, ®_value);
if (ret) {
ret = -EINVAL;
goto done;
}
pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n" , saved_reg_type,
saved_reg_offset, reg_value);
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
done:
free_page(addr);
return ret;
}
/* Proc debug_mask file read handler.
* This function is called when the ' debug_mask ' file is opened for reading
* This function can be used read driver debugging mask value .
*/
static ssize_t
mwifiex_debug_mask_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)page;
size_t ret = 0 ;
int pos = 0 ;
if (!buf)
return -ENOMEM;
pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n" ,
priv->adapter->debug_mask);
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
free_page(page);
return ret;
}
/* Proc debug_mask file read handler.
* This function is called when the ' debug_mask ' file is opened for reading
* This function can be used read driver debugging mask value .
*/
static ssize_t
mwifiex_debug_mask_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
unsigned long debug_mask;
struct mwifiex_private *priv = (void *)file->private_data;
char *buf;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1 )));
if (IS_ERR(buf))
return PTR_ERR(buf);
if (kstrtoul(buf, 0 , &debug_mask)) {
ret = -EINVAL;
goto done;
}
priv->adapter->debug_mask = debug_mask;
ret = count;
done:
kfree(buf);
return ret;
}
/* debugfs verext file write handler.
* This function is called when the ' verext ' file is opened for write
*/
static ssize_t
mwifiex_verext_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
u32 versionstrsel;
struct mwifiex_private *priv = (void *)file->private_data;
ret = kstrtou32_from_user(ubuf, count, 10 , &versionstrsel);
if (ret)
return ret;
priv->versionstrsel = versionstrsel;
return count;
}
/* Proc verext file read handler.
* This function is called when the ' verext ' file is opened for reading
* This function can be used read driver exteneed verion string .
*/
static ssize_t
mwifiex_verext_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *)file->private_data;
char buf[256 ];
int ret;
mwifiex_get_ver_ext(priv, priv->versionstrsel);
ret = snprintf(buf, sizeof (buf), "version string: %s\n" ,
priv->version_str);
return simple_read_from_buffer(ubuf, count, ppos, buf, ret);
}
/* Proc memrw file write handler.
* This function is called when the ' memrw ' file is opened for writing
* This function can be used to write to a memory location .
*/
static ssize_t
mwifiex_memrw_write(struct file *file, const char __user *ubuf, size_t count,
loff_t *ppos)
{
int ret;
char cmd;
struct mwifiex_ds_mem_rw mem_rw;
u16 cmd_action;
struct mwifiex_private *priv = (void *)file->private_data;
char *buf;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1 )));
if (IS_ERR(buf))
return PTR_ERR(buf);
ret = sscanf(buf, "%c %x %x" , &cmd, &mem_rw.addr, &mem_rw.value);
if (ret != 3 ) {
ret = -EINVAL;
goto done;
}
if ((cmd == 'r' ) || (cmd == 'R' )) {
cmd_action = HostCmd_ACT_GEN_GET;
mem_rw.value = 0 ;
} else if ((cmd == 'w' ) || (cmd == 'W' )) {
cmd_action = HostCmd_ACT_GEN_SET;
} else {
ret = -EINVAL;
goto done;
}
memcpy(&priv->mem_rw, &mem_rw, sizeof (mem_rw));
if (mwifiex_send_cmd(priv, HostCmd_CMD_MEM_ACCESS, cmd_action, 0 ,
&mem_rw, true ))
ret = -1 ;
else
ret = count;
done:
kfree(buf);
return ret;
}
/* Proc memrw file read handler.
* This function is called when the ' memrw ' file is opened for reading
* This function can be used to read from a memory location .
*/
static ssize_t
mwifiex_memrw_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = (void *)file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
int ret, pos = 0 ;
if (!buf)
return -ENOMEM;
pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n" , priv->mem_rw.addr,
priv->mem_rw.value);
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
free_page(addr);
return ret;
}
static u32 saved_offset = -1 , saved_bytes = -1 ;
/*
* Proc rdeeprom file write handler .
*
* This function is called when the ' rdeeprom ' file is opened for writing
*
* This function can be used to write to a RDEEPROM location .
*/
static ssize_t
mwifiex_rdeeprom_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
char *buf;
int ret = 0 ;
int offset = -1 , bytes = -1 ;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1 )));
if (IS_ERR(buf))
return PTR_ERR(buf);
if (sscanf(buf, "%d %d" , &offset, &bytes) != 2 ) {
ret = -EINVAL;
goto done;
}
if (offset == -1 || bytes == -1 ) {
ret = -EINVAL;
goto done;
} else {
saved_offset = offset;
saved_bytes = bytes;
ret = count;
}
done:
kfree(buf);
return ret;
}
/*
* Proc rdeeprom read write handler .
*
* This function is called when the ' rdeeprom ' file is opened for reading
*
* This function can be used to read from a RDEEPROM location .
*/
static ssize_t
mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *) addr;
int pos, ret, i;
u8 value[MAX_EEPROM_DATA];
if (!buf)
return -ENOMEM;
if (saved_offset == -1 ) {
/* No command has been given */
pos = snprintf(buf, PAGE_SIZE, "0" );
goto done;
}
/* Get command has been given */
ret = mwifiex_eeprom_read(priv, (u16) saved_offset,
(u16) saved_bytes, value);
if (ret) {
ret = -EINVAL;
goto out_free;
}
pos = snprintf(buf, PAGE_SIZE, "%d %d " , saved_offset, saved_bytes);
for (i = 0 ; i < saved_bytes; i++)
pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d " , value[i]);
done:
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
out_free:
free_page(addr);
return ret;
}
/* Proc hscfg file write handler
* This function can be used to configure the host sleep parameters .
*/
static ssize_t
mwifiex_hscfg_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = (void *)file->private_data;
char *buf;
int ret, arg_num;
struct mwifiex_ds_hs_cfg hscfg;
int conditions = HS_CFG_COND_DEF;
u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1 )));
if (IS_ERR(buf))
return PTR_ERR(buf);
arg_num = sscanf(buf, "%d %x %x" , &conditions, &gpio, &gap);
memset(&hscfg, 0 , sizeof (struct mwifiex_ds_hs_cfg));
if (arg_num > 3 ) {
mwifiex_dbg(priv->adapter, ERROR,
"Too many arguments\n" );
ret = -EINVAL;
goto done;
}
if (arg_num >= 1 && arg_num < 3 )
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET,
MWIFIEX_SYNC_CMD, &hscfg);
if (arg_num) {
if (conditions == HS_CFG_CANCEL) {
mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD);
ret = count;
goto done;
}
hscfg.conditions = conditions;
}
if (arg_num >= 2 )
hscfg.gpio = gpio;
if (arg_num == 3 )
hscfg.gap = gap;
hscfg.is_invoke_hostcmd = false ;
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
MWIFIEX_SYNC_CMD, &hscfg);
mwifiex_enable_hs(priv->adapter);
clear_bit(MWIFIEX_IS_HS_ENABLING, &priv->adapter->work_flags);
ret = count;
done:
kfree(buf);
return ret;
}
/* Proc hscfg file read handler
* This function can be used to read host sleep configuration
* parameters from driver .
*/
static ssize_t
mwifiex_hscfg_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = (void *)file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
int pos, ret;
struct mwifiex_ds_hs_cfg hscfg;
if (!buf)
return -ENOMEM;
mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET,
MWIFIEX_SYNC_CMD, &hscfg);
pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n" , hscfg.conditions,
hscfg.gpio, hscfg.gap);
ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
free_page(addr);
return ret;
}
static ssize_t
mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = file->private_data;
char buf[3 ];
bool timeshare_coex;
int ret;
unsigned int len;
if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
return -EOPNOTSUPP;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
HostCmd_ACT_GEN_GET, 0 , ×hare_coex, true );
if (ret)
return ret;
len = sprintf(buf, "%d\n" , timeshare_coex);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static ssize_t
mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
bool timeshare_coex;
struct mwifiex_private *priv = file->private_data;
int ret;
if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
return -EOPNOTSUPP;
ret = kstrtobool_from_user(ubuf, count, ×hare_coex);
if (ret)
return ret;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
HostCmd_ACT_GEN_SET, 0 , ×hare_coex, true );
if (ret)
return ret;
else
return count;
}
static ssize_t
mwifiex_reset_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
struct mwifiex_private *priv = file->private_data;
struct mwifiex_adapter *adapter = priv->adapter;
bool result;
int rc;
rc = kstrtobool_from_user(ubuf, count, &result);
if (rc)
return rc;
if (!result)
return -EINVAL;
if (adapter->if_ops.card_reset) {
dev_info(adapter->dev, "Resetting per request\n" );
adapter->if_ops.card_reset(adapter);
}
return count;
}
#define MWIFIEX_DFS_ADD_FILE(name) do { \
debugfs_create_file(#name , 0644 , priv->dfs_dev_dir, priv, \
&mwifiex_dfs_## name## _fops); \
} while (0 );
#define MWIFIEX_DFS_FILE_OPS(name) \
static const struct file_operations mwifiex_dfs_## name## _fops = { \
.read = mwifiex_## name## _read, \
.write = mwifiex_## name## _write, \
.open = simple_open, \
};
#define MWIFIEX_DFS_FILE_READ_OPS(name) \
static const struct file_operations mwifiex_dfs_## name## _fops = { \
.read = mwifiex_## name## _read, \
.open = simple_open, \
};
#define MWIFIEX_DFS_FILE_WRITE_OPS(name) \
static const struct file_operations mwifiex_dfs_## name## _fops = { \
.write = mwifiex_## name## _write, \
.open = simple_open, \
};
MWIFIEX_DFS_FILE_READ_OPS(info);
MWIFIEX_DFS_FILE_READ_OPS(debug);
MWIFIEX_DFS_FILE_READ_OPS(getlog);
MWIFIEX_DFS_FILE_OPS(regrdwr);
MWIFIEX_DFS_FILE_OPS(rdeeprom);
MWIFIEX_DFS_FILE_OPS(memrw);
MWIFIEX_DFS_FILE_OPS(hscfg);
MWIFIEX_DFS_FILE_OPS(histogram);
MWIFIEX_DFS_FILE_OPS(debug_mask);
MWIFIEX_DFS_FILE_OPS(timeshare_coex);
MWIFIEX_DFS_FILE_WRITE_OPS(reset);
MWIFIEX_DFS_FILE_OPS(verext);
/*
* This function creates the debug FS directory structure and the files .
*/
void
mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
{
if (!mwifiex_dfs_dir || !priv)
return ;
priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
mwifiex_dfs_dir);
MWIFIEX_DFS_ADD_FILE(info);
MWIFIEX_DFS_ADD_FILE(debug);
MWIFIEX_DFS_ADD_FILE(getlog);
MWIFIEX_DFS_ADD_FILE(regrdwr);
MWIFIEX_DFS_ADD_FILE(rdeeprom);
MWIFIEX_DFS_ADD_FILE(memrw);
MWIFIEX_DFS_ADD_FILE(hscfg);
MWIFIEX_DFS_ADD_FILE(histogram);
MWIFIEX_DFS_ADD_FILE(debug_mask);
MWIFIEX_DFS_ADD_FILE(timeshare_coex);
MWIFIEX_DFS_ADD_FILE(reset);
MWIFIEX_DFS_ADD_FILE(verext);
}
/*
* This function removes the debug FS directory structure and the files .
*/
void
mwifiex_dev_debugfs_remove(struct mwifiex_private *priv)
{
if (!priv)
return ;
debugfs_remove_recursive(priv->dfs_dev_dir);
}
/*
* This function creates the top level proc directory .
*/
void
mwifiex_debugfs_init(void )
{
if (!mwifiex_dfs_dir)
mwifiex_dfs_dir = debugfs_create_dir("mwifiex" , NULL);
}
/*
* This function removes the top level proc directory .
*/
void
mwifiex_debugfs_remove(void )
{
debugfs_remove(mwifiex_dfs_dir);
}
Messung V0.5 in Prozent C=98 H=86 G=91
¤ Dauer der Verarbeitung: 0.5 Sekunden
(vorverarbeitet am 2026-10-02)
¤
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