// SPDX-License-Identifier: GPL-2.0-only
/*
* nxpwifi: debugfs
*
* Copyright 2011-2024 NXP
*/
#include <linux/debugfs.h>
#include "main.h"
#include "cmdevt.h"
#include "11n.h"
static struct dentry *nxpwifi_dfs_dir;
static char *bss_modes[] = {
"UNSPECIFIED",
"ADHOC",
"STATION",
"AP",
"AP_VLAN",
"WDS",
"MONITOR",
"MESH_POINT",
"P2P_CLIENT",
"P2P_GO",
"P2P_DEVICE",
};
/*
* debugfs "info" read handler: dump driver name/version, interface, BSS mode,
* link state, MAC, counters; STA adds SSID/BSSID/channel/country/region and
* multicast list.
*/
static ssize_t
nxpwifi_info_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_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 nxpwifi_bss_info info;
ssize_t ret;
int i = 0;
if (!p)
return -ENOMEM;
memset(&info, 0, sizeof(info));
ret = nxpwifi_get_bss_info(priv, &info);
if (ret)
goto free_and_exit;
nxpwifi_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1);
nxpwifi_get_ver_ext(priv, 0);
p += sprintf(p, "driver_name = ");
p += sprintf(p, "\"nxpwifi\"\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) == NXPWIFI_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=\"0x%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;
}
/*
* debugfs "getlog" read handler: dump firmware/802.11 counters (retry, RTS/ACK, dup,
* frag, mcast, FCS, beacon stats).
*/
static ssize_t
nxpwifi_getlog_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_private *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
ssize_t ret;
struct nxpwifi_ds_get_stats stats;
if (!p)
return -ENOMEM;
memset(&stats, 0, sizeof(stats));
ret = nxpwifi_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;
}
/*
* debugfs "histogram" read handler: report sample count and per-rate/SNR/noise
* floor/signal strength histograms.
*/
static ssize_t
nxpwifi_histogram_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_private *)file->private_data;
ssize_t ret;
struct nxpwifi_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 < NXPWIFI_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 = NXPWIFI_MAX_RX_RATES; i < NXPWIFI_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 < NXPWIFI_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 < NXPWIFI_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 < NXPWIFI_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
nxpwifi_histogram_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = (void *)file->private_data;
if (priv && priv->hist_data)
nxpwifi_hist_data_reset(priv);
return 0;
}
static struct nxpwifi_debug_info info;
/* debugfs "debug" read handler: dump adapter debug info and BA/reorder tables. */
static ssize_t
nxpwifi_debug_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_private *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
ssize_t ret;
if (!p)
return -ENOMEM;
ret = nxpwifi_get_debug_info(priv, &info);
if (ret)
goto free_and_exit;
p += nxpwifi_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;
/*
* debugfs "regrdwr" write handler: parse <type offset value> and store for
* readback/IO.
*/
static ssize_t
nxpwifi_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;
int rv;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
if (IS_ERR(buf))
return PTR_ERR(buf);
rv = sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value);
if (rv != 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;
}
/*
* debugfs "regrdwr" read handler: perform pending register read/write and return
* <type offset value>.
*/
static ssize_t
nxpwifi_regrdwr_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_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 = nxpwifi_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 = nxpwifi_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;
}
/* debugfs "debug_mask" read handler: show driver debug mask. */
static ssize_t
nxpwifi_debug_mask_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_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;
}
/* debugfs "debug_mask" write handler: set driver debug mask. */
static ssize_t
nxpwifi_debug_mask_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
unsigned long debug_mask;
struct nxpwifi_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" write handler: select extended version string. */
static ssize_t
nxpwifi_verext_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
u32 versionstrsel;
struct nxpwifi_private *priv = (void *)file->private_data;
ret = kstrtou32_from_user(ubuf, count, 10, &versionstrsel);
if (ret)
return ret;
priv->versionstrsel = versionstrsel;
return count;
}
/* debugfs "verext" read handler: show extended version string. */
static ssize_t
nxpwifi_verext_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_private *)file->private_data;
char buf[256];
int ret;
nxpwifi_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);
}
/* debugfs "memrw" write handler: read/write firmware memory (addr, value). */
static ssize_t
nxpwifi_memrw_write(struct file *file, const char __user *ubuf, size_t count,
loff_t *ppos)
{
int ret;
char cmd;
struct nxpwifi_ds_mem_rw mem_rw;
u16 cmd_action;
struct nxpwifi_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 = HOST_ACT_GEN_GET;
mem_rw.value = 0;
} else if ((cmd == 'w') || (cmd == 'W')) {
cmd_action = HOST_ACT_GEN_SET;
} else {
ret = -EINVAL;
goto done;
}
memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw));
ret = nxpwifi_send_cmd(priv, HOST_CMD_MEM_ACCESS, cmd_action, 0,
&mem_rw, true);
if (!ret)
ret = count;
done:
kfree(buf);
return ret;
}
/* debugfs "memrw" read handler: show last memory access result. */
static ssize_t
nxpwifi_memrw_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_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;
/* debugfs "rdeeprom" write handler: set EEPROM offset/length to read. */
static ssize_t
nxpwifi_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;
int rv;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
if (IS_ERR(buf))
return PTR_ERR(buf);
rv = sscanf(buf, "%d %d", &offset, &bytes);
if (rv != 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;
}
/* debugfs "rdeeprom" read handler: dump EEPROM bytes from saved offset/length. */
static ssize_t
nxpwifi_rdeeprom_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_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 = nxpwifi_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;
}
/*
* debugfs "hscfg" write handler: configure host-sleep (conditions/gpio/gap) or
* cancel.
*/
static ssize_t
nxpwifi_hscfg_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = (void *)file->private_data;
char *buf;
int ret, arg_num;
struct nxpwifi_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 nxpwifi_ds_hs_cfg));
if (arg_num > 3) {
nxpwifi_dbg(priv->adapter, ERROR,
"Too many arguments\n");
ret = -EINVAL;
goto done;
}
if (arg_num >= 1 && arg_num < 3)
nxpwifi_set_hs_params(priv, HOST_ACT_GEN_GET,
NXPWIFI_SYNC_CMD, &hscfg);
if (arg_num) {
if (conditions == HS_CFG_CANCEL) {
nxpwifi_cancel_hs(priv, NXPWIFI_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;
nxpwifi_set_hs_params(priv, HOST_ACT_GEN_SET,
NXPWIFI_SYNC_CMD, &hscfg);
nxpwifi_enable_hs(priv->adapter);
clear_bit(NXPWIFI_IS_HS_ENABLING, &priv->adapter->work_flags);
ret = count;
done:
kfree(buf);
return ret;
}
/* debugfs "hscfg" read handler: show current host-sleep configuration. */
static ssize_t
nxpwifi_hscfg_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = (void *)file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
int pos, ret;
struct nxpwifi_ds_hs_cfg hscfg;
if (!buf)
return -ENOMEM;
nxpwifi_set_hs_params(priv, HOST_ACT_GEN_GET,
NXPWIFI_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
nxpwifi_timeshare_coex_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = file->private_data;
char buf[3];
bool timeshare_coex;
int ret;
unsigned int len;
if (priv->adapter->fw_api_ver != NXPWIFI_FW_V15)
return -EOPNOTSUPP;
ret = nxpwifi_send_cmd(priv, HOST_CMD_ROBUST_COEX,
HOST_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
nxpwifi_timeshare_coex_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
bool timeshare_coex;
struct nxpwifi_private *priv = file->private_data;
int ret;
if (priv->adapter->fw_api_ver != NXPWIFI_FW_V15)
return -EOPNOTSUPP;
ret = kstrtobool_from_user(ubuf, count, ×hare_coex);
if (ret)
return ret;
ret = nxpwifi_send_cmd(priv, HOST_CMD_ROBUST_COEX,
HOST_ACT_GEN_SET, 0, ×hare_coex, true);
if (ret)
return ret;
else
return count;
}
static ssize_t
nxpwifi_reset_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = file->private_data;
struct nxpwifi_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) {
nxpwifi_dbg(adapter, INFO, "Resetting per request\n");
adapter->if_ops.card_reset(adapter);
}
return count;
}
static ssize_t
nxpwifi_fake_radar_detect_write(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv = file->private_data;
struct nxpwifi_adapter *adapter = priv->adapter;
bool result;
int rc;
rc = kstrtobool_from_user(ubuf, count, &result);
if (rc)
return rc;
if (!result)
return -EINVAL;
if (priv->wdev.links[0].cac_started) {
nxpwifi_dbg(adapter, MSG,
"Generate fake radar detected during CAC\n");
if (nxpwifi_stop_radar_detection(priv, &priv->dfs_chandef))
nxpwifi_dbg(adapter, ERROR,
"Failed to stop CAC in FW\n");
wiphy_delayed_work_cancel(priv->adapter->wiphy, &priv->dfs_cac_work);
cfg80211_cac_event(priv->netdev, &priv->dfs_chandef,
NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0);
cfg80211_radar_event(adapter->wiphy, &priv->dfs_chandef,
GFP_KERNEL);
} else {
if (priv->bss_chandef.chan->dfs_cac_ms) {
nxpwifi_dbg(adapter, MSG,
"Generate fake radar detected\n");
cfg80211_radar_event(adapter->wiphy,
&priv->dfs_chandef,
GFP_KERNEL);
}
}
return count;
}
static ssize_t
nxpwifi_netmon_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
struct nxpwifi_802_11_net_monitor netmon_cfg;
struct nxpwifi_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);
memset(&netmon_cfg, 0, sizeof(struct nxpwifi_802_11_net_monitor));
ret = sscanf(buf, "%u %u %u %u %u",
&netmon_cfg.enable_net_mon,
&netmon_cfg.filter_flag,
&netmon_cfg.band,
&netmon_cfg.channel,
&netmon_cfg.chan_bandwidth);
ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_NET_MONITOR,
HOST_ACT_GEN_SET, 0, &netmon_cfg, true);
if (!ret)
ret = count;
kfree(buf);
return ret;
}
static ssize_t
nxpwifi_twt_setup_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
struct nxpwifi_twt_cfg twt_cfg;
struct nxpwifi_private *priv = (void *)file->private_data;
char *buf;
u16 twt_mantissa, bcn_miss_threshold;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
if (IS_ERR(buf))
return PTR_ERR(buf);
ret = sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu %hu %hhu %hu",
&twt_cfg.param.twt_setup.implicit,
&twt_cfg.param.twt_setup.announced,
&twt_cfg.param.twt_setup.trigger_enabled,
&twt_cfg.param.twt_setup.twt_info_disabled,
&twt_cfg.param.twt_setup.negotiation_type,
&twt_cfg.param.twt_setup.twt_wakeup_duration,
&twt_cfg.param.twt_setup.flow_identifier,
&twt_cfg.param.twt_setup.hard_constraint,
&twt_cfg.param.twt_setup.twt_exponent,
&twt_mantissa,
&twt_cfg.param.twt_setup.twt_request,
&bcn_miss_threshold);
twt_cfg.param.twt_setup.twt_mantissa = cpu_to_le16(twt_mantissa);
twt_cfg.param.twt_setup.bcn_miss_threshold = cpu_to_le16(bcn_miss_threshold);
twt_cfg.sub_id = NXPWIFI_11AX_TWT_SETUP_SUBID;
ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0,
&twt_cfg, true);
if (!ret)
ret = count;
kfree(buf);
return ret;
}
static ssize_t
nxpwifi_twt_teardown_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
struct nxpwifi_twt_cfg twt_cfg;
struct nxpwifi_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, "%hhu %hhu %hhu",
&twt_cfg.param.twt_teardown.flow_identifier,
&twt_cfg.param.twt_teardown.negotiation_type,
&twt_cfg.param.twt_teardown.teardown_all_twt);
twt_cfg.sub_id = NXPWIFI_11AX_TWT_TEARDOWN_SUBID;
ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0,
&twt_cfg, true);
if (!ret)
ret = count;
kfree(buf);
return ret;
}
static ssize_t
nxpwifi_twt_report_read(struct file *file, char __user *ubuf,
size_t count, loff_t *ppos)
{
struct nxpwifi_private *priv =
(struct nxpwifi_private *)file->private_data;
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *)page;
ssize_t ret;
struct nxpwifi_twt_cfg twt_cfg;
u8 num, i, j;
if (!p)
return -ENOMEM;
twt_cfg.sub_id = NXPWIFI_11AX_TWT_REPORT_SUBID;
ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_GET, 0,
&twt_cfg, true);
if (ret)
goto done;
num = twt_cfg.param.twt_report.length / NXPWIFI_BTWT_REPORT_LEN;
num = num <= NXPWIFI_BTWT_REPORT_MAX_NUM ? num : NXPWIFI_BTWT_REPORT_MAX_NUM;
p += sprintf(p, "\ntwt_report len %hhu, num %hhu, twt_report_info:\n",
twt_cfg.param.twt_report.length, num);
for (i = 0; i < num; i++) {
p += sprintf(p, "id[%hu]:\r\n", i);
for (j = 0; j < NXPWIFI_BTWT_REPORT_LEN; j++) {
p += sprintf(p,
" 0x%02x",
twt_cfg.param.twt_report.data[i * NXPWIFI_BTWT_REPORT_LEN + j]);
}
p += sprintf(p, "\r\n");
}
ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page,
(unsigned long)p - page);
done:
free_page(page);
return ret;
}
static ssize_t
nxpwifi_twt_information_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos)
{
int ret;
struct nxpwifi_twt_cfg twt_cfg;
struct nxpwifi_private *priv = (void *)file->private_data;
char *buf;
u32 suspend_duration;
buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1)));
if (IS_ERR(buf))
return PTR_ERR(buf);
ret = sscanf(buf, "%hhu %u",
&twt_cfg.param.twt_information.flow_identifier, &suspend_duration);
twt_cfg.param.twt_information.suspend_duration = cpu_to_le32(suspend_duration);
twt_cfg.sub_id = NXPWIFI_11AX_TWT_INFORMATION_SUBID;
ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0,
&twt_cfg, true);
if (!ret)
ret = count;
kfree(buf);
return ret;
}
#define NXPWIFI_DFS_ADD_FILE(name) debugfs_create_file(#name, 0644, \
priv->dfs_dev_dir, priv, \
&nxpwifi_dfs_##name##_fops)
#define NXPWIFI_DFS_FILE_OPS(name) \
static const struct file_operations nxpwifi_dfs_##name##_fops = { \
.read = nxpwifi_##name##_read, \
.write = nxpwifi_##name##_write, \
.open = simple_open, \
}
#define NXPWIFI_DFS_FILE_READ_OPS(name) \
static const struct file_operations nxpwifi_dfs_##name##_fops = { \
.read = nxpwifi_##name##_read, \
.open = simple_open, \
}
#define NXPWIFI_DFS_FILE_WRITE_OPS(name) \
static const struct file_operations nxpwifi_dfs_##name##_fops = { \
.write = nxpwifi_##name##_write, \
.open = simple_open, \
}
NXPWIFI_DFS_FILE_READ_OPS(info);
NXPWIFI_DFS_FILE_READ_OPS(debug);
NXPWIFI_DFS_FILE_READ_OPS(getlog);
NXPWIFI_DFS_FILE_OPS(regrdwr);
NXPWIFI_DFS_FILE_OPS(rdeeprom);
NXPWIFI_DFS_FILE_OPS(memrw);
NXPWIFI_DFS_FILE_OPS(hscfg);
NXPWIFI_DFS_FILE_OPS(histogram);
NXPWIFI_DFS_FILE_OPS(debug_mask);
NXPWIFI_DFS_FILE_OPS(timeshare_coex);
NXPWIFI_DFS_FILE_WRITE_OPS(reset);
NXPWIFI_DFS_FILE_WRITE_OPS(fake_radar_detect);
NXPWIFI_DFS_FILE_OPS(verext);
NXPWIFI_DFS_FILE_WRITE_OPS(netmon);
NXPWIFI_DFS_FILE_WRITE_OPS(twt_setup);
NXPWIFI_DFS_FILE_WRITE_OPS(twt_teardown);
NXPWIFI_DFS_FILE_READ_OPS(twt_report);
NXPWIFI_DFS_FILE_WRITE_OPS(twt_information);
/* Create per-netdev debugfs directory and files. */
void
nxpwifi_dev_debugfs_init(struct nxpwifi_private *priv)
{
if (!nxpwifi_dfs_dir || !priv)
return;
priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
nxpwifi_dfs_dir);
NXPWIFI_DFS_ADD_FILE(info);
NXPWIFI_DFS_ADD_FILE(debug);
NXPWIFI_DFS_ADD_FILE(getlog);
NXPWIFI_DFS_ADD_FILE(regrdwr);
NXPWIFI_DFS_ADD_FILE(rdeeprom);
NXPWIFI_DFS_ADD_FILE(memrw);
NXPWIFI_DFS_ADD_FILE(hscfg);
NXPWIFI_DFS_ADD_FILE(histogram);
NXPWIFI_DFS_ADD_FILE(debug_mask);
NXPWIFI_DFS_ADD_FILE(timeshare_coex);
NXPWIFI_DFS_ADD_FILE(reset);
NXPWIFI_DFS_ADD_FILE(fake_radar_detect);
NXPWIFI_DFS_ADD_FILE(verext);
NXPWIFI_DFS_ADD_FILE(netmon);
NXPWIFI_DFS_ADD_FILE(twt_setup);
NXPWIFI_DFS_ADD_FILE(twt_teardown);
NXPWIFI_DFS_ADD_FILE(twt_report);
NXPWIFI_DFS_ADD_FILE(twt_information);
}
/* Remove per-netdev debugfs directory and files. */
void
nxpwifi_dev_debugfs_remove(struct nxpwifi_private *priv)
{
if (!priv)
return;
debugfs_remove_recursive(priv->dfs_dev_dir);
}
/* Create top-level debugfs directory. */
void
nxpwifi_debugfs_init(void)
{
if (!nxpwifi_dfs_dir)
nxpwifi_dfs_dir = debugfs_create_dir("nxpwifi", NULL);
}
/* Remove top-level debugfs directory. */
void
nxpwifi_debugfs_remove(void)
{
debugfs_remove(nxpwifi_dfs_dir);
}
