[linux.git] / net / mac80211 / debugfs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * mac80211 debugfs for wireless PHYs
 *
 * Copyright 2007	Johannes Berg <[email protected]>
 * Copyright 2013-2014  Intel Mobile Communications GmbH
 * Copyright (C) 2018 - 2019 Intel Corporation
 */

#include <linux/debugfs.h>
#include <linux/rtnetlink.h>
#include <linux/vmalloc.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
#include "debugfs.h"

#define DEBUGFS_FORMAT_BUFFER_SIZE 100

int mac80211_format_buffer(char __user *userbuf, size_t count,
				  loff_t *ppos, char *fmt, ...)
{
	va_list args;
	char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
	int res;

	va_start(args, fmt);
	res = vscnprintf(buf, sizeof(buf), fmt, args);
	va_end(args);

	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}

#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...)			\
static ssize_t name## _read(struct file *file, char __user *userbuf,	\
			    size_t count, loff_t *ppos)			\
{									\
	struct ieee80211_local *local = file->private_data;		\
									\
	return mac80211_format_buffer(userbuf, count, ppos, 		\
				      fmt "\n", ##value);		\
}

#define DEBUGFS_READONLY_FILE_OPS(name)			\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = simple_open,						\
	.llseek = generic_file_llseek,					\
};

#define DEBUGFS_READONLY_FILE(name, fmt, value...)		\
	DEBUGFS_READONLY_FILE_FN(name, fmt, value)		\
	DEBUGFS_READONLY_FILE_OPS(name)

#define DEBUGFS_ADD(name)						\
	debugfs_create_file(#name, 0400, phyd, local, &name## _ops)

#define DEBUGFS_ADD_MODE(name, mode)					\
	debugfs_create_file(#name, mode, phyd, local, &name## _ops);


DEBUGFS_READONLY_FILE(hw_conf, "%x",
		      local->hw.conf.flags);
DEBUGFS_READONLY_FILE(user_power, "%d",
		      local->user_power_level);
DEBUGFS_READONLY_FILE(power, "%d",
		      local->hw.conf.power_level);
DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
		      local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
		      local->wep_iv & 0xffffff);
DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
	local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");

static ssize_t aqm_read(struct file *file,
			char __user *user_buf,
			size_t count,
			loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	struct fq *fq = &local->fq;
	char buf[200];
	int len = 0;

	spin_lock_bh(&local->fq.lock);
	rcu_read_lock();

	len = scnprintf(buf, sizeof(buf),
			"access name value\n"
			"R fq_flows_cnt %u\n"
			"R fq_backlog %u\n"
			"R fq_overlimit %u\n"
			"R fq_overmemory %u\n"
			"R fq_collisions %u\n"
			"R fq_memory_usage %u\n"
			"RW fq_memory_limit %u\n"
			"RW fq_limit %u\n"
			"RW fq_quantum %u\n",
			fq->flows_cnt,
			fq->backlog,
			fq->overmemory,
			fq->overlimit,
			fq->collisions,
			fq->memory_usage,
			fq->memory_limit,
			fq->limit,
			fq->quantum);

	rcu_read_unlock();
	spin_unlock_bh(&local->fq.lock);

	return simple_read_from_buffer(user_buf, count, ppos,
				       buf, len);
}

static ssize_t aqm_write(struct file *file,
			 const char __user *user_buf,
			 size_t count,
			 loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[100];

	if (count >= sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, user_buf, count))
		return -EFAULT;

	if (count && buf[count - 1] == '\n')
		buf[count - 1] = '\0';
	else
		buf[count] = '\0';

	if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
		return count;
	else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
		return count;
	else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
		return count;

	return -EINVAL;
}

static const struct file_operations aqm_ops = {
	.write = aqm_write,
	.read = aqm_read,
	.open = simple_open,
	.llseek = default_llseek,
};

static ssize_t airtime_flags_read(struct file *file,
				  char __user *user_buf,
				  size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[128] = {}, *pos, *end;

	pos = buf;
	end = pos + sizeof(buf) - 1;

	if (local->airtime_flags & AIRTIME_USE_TX)
		pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
				 AIRTIME_USE_TX);
	if (local->airtime_flags & AIRTIME_USE_RX)
		pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
				 AIRTIME_USE_RX);

	return simple_read_from_buffer(user_buf, count, ppos, buf,
				       strlen(buf));
}

static ssize_t airtime_flags_write(struct file *file,
				   const char __user *user_buf,
				   size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[16];

	if (count >= sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, user_buf, count))
		return -EFAULT;

	if (count && buf[count - 1] == '\n')
		buf[count - 1] = '\0';
	else
		buf[count] = '\0';

	if (kstrtou16(buf, 0, &local->airtime_flags))
		return -EINVAL;

	return count;
}

static const struct file_operations airtime_flags_ops = {
	.write = airtime_flags_write,
	.read = airtime_flags_read,
	.open = simple_open,
	.llseek = default_llseek,
};

static ssize_t aql_txq_limit_read(struct file *file,
				  char __user *user_buf,
				  size_t count,
				  loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[400];
	int len = 0;

	len = scnprintf(buf, sizeof(buf),
			"AC	AQL limit low	AQL limit high\n"
			"VO	%u		%u\n"
			"VI	%u		%u\n"
			"BE	%u		%u\n"
			"BK	%u		%u\n",
			local->aql_txq_limit_low[IEEE80211_AC_VO],
			local->aql_txq_limit_high[IEEE80211_AC_VO],
			local->aql_txq_limit_low[IEEE80211_AC_VI],
			local->aql_txq_limit_high[IEEE80211_AC_VI],
			local->aql_txq_limit_low[IEEE80211_AC_BE],
			local->aql_txq_limit_high[IEEE80211_AC_BE],
			local->aql_txq_limit_low[IEEE80211_AC_BK],
			local->aql_txq_limit_high[IEEE80211_AC_BK]);
	return simple_read_from_buffer(user_buf, count, ppos,
				       buf, len);
}

static ssize_t aql_txq_limit_write(struct file *file,
				   const char __user *user_buf,
				   size_t count,
				   loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[100];
	u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
	struct sta_info *sta;

	if (count >= sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, user_buf, count))
		return -EFAULT;

	if (count && buf[count - 1] == '\n')
		buf[count - 1] = '\0';
	else
		buf[count] = '\0';

	if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
		return -EINVAL;

	if (ac >= IEEE80211_NUM_ACS)
		return -EINVAL;

	q_limit_low_old = local->aql_txq_limit_low[ac];
	q_limit_high_old = local->aql_txq_limit_high[ac];

	local->aql_txq_limit_low[ac] = q_limit_low;
	local->aql_txq_limit_high[ac] = q_limit_high;

	mutex_lock(&local->sta_mtx);
	list_for_each_entry(sta, &local->sta_list, list) {
		/* If a sta has customized queue limits, keep it */
		if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
		    sta->airtime[ac].aql_limit_high == q_limit_high_old) {
			sta->airtime[ac].aql_limit_low = q_limit_low;
			sta->airtime[ac].aql_limit_high = q_limit_high;
		}
	}
	mutex_unlock(&local->sta_mtx);
	return count;
}

static const struct file_operations aql_txq_limit_ops = {
	.write = aql_txq_limit_write,
	.read = aql_txq_limit_read,
	.open = simple_open,
	.llseek = default_llseek,
};

static ssize_t aql_enable_read(struct file *file, char __user *user_buf,
			       size_t count, loff_t *ppos)
{
	char buf[3];
	int len;

	len = scnprintf(buf, sizeof(buf), "%d\n",
			!static_key_false(&aql_disable.key));

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

static ssize_t aql_enable_write(struct file *file, const char __user *user_buf,
				size_t count, loff_t *ppos)
{
	bool aql_disabled = static_key_false(&aql_disable.key);
	char buf[3];
	size_t len;

	if (count > sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, user_buf, count))
		return -EFAULT;

	buf[sizeof(buf) - 1] = '\0';
	len = strlen(buf);
	if (len > 0 && buf[len - 1] == '\n')
		buf[len - 1] = 0;

	if (buf[0] == '0' && buf[1] == '\0') {
		if (!aql_disabled)
			static_branch_inc(&aql_disable);
	} else if (buf[0] == '1' && buf[1] == '\0') {
		if (aql_disabled)
			static_branch_dec(&aql_disable);
	} else {
		return -EINVAL;
	}

	return count;
}

static const struct file_operations aql_enable_ops = {
	.write = aql_enable_write,
	.read = aql_enable_read,
	.open = simple_open,
	.llseek = default_llseek,
};

static ssize_t force_tx_status_read(struct file *file,
				    char __user *user_buf,
				    size_t count,
				    loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[3];
	int len = 0;

	len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);

	return simple_read_from_buffer(user_buf, count, ppos,
				       buf, len);
}

static ssize_t force_tx_status_write(struct file *file,
				     const char __user *user_buf,
				     size_t count,
				     loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	char buf[3];

	if (count >= sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, user_buf, count))
		return -EFAULT;

	if (count && buf[count - 1] == '\n')
		buf[count - 1] = '\0';
	else
		buf[count] = '\0';

	if (buf[0] == '0' && buf[1] == '\0')
		local->force_tx_status = 0;
	else if (buf[0] == '1' && buf[1] == '\0')
		local->force_tx_status = 1;
	else
		return -EINVAL;

	return count;
}

static const struct file_operations force_tx_status_ops = {
	.write = force_tx_status_write,
	.read = force_tx_status_read,
	.open = simple_open,
	.llseek = default_llseek,
};

#ifdef CONFIG_PM
static ssize_t reset_write(struct file *file, const char __user *user_buf,
			   size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;

	rtnl_lock();
	__ieee80211_suspend(&local->hw, NULL);
	__ieee80211_resume(&local->hw);
	rtnl_unlock();

	return count;
}

static const struct file_operations reset_ops = {
	.write = reset_write,
	.open = simple_open,
	.llseek = noop_llseek,
};
#endif

static const char *hw_flag_names[] = {
#define FLAG(F)	[IEEE80211_HW_##F] = #F
	FLAG(HAS_RATE_CONTROL),
	FLAG(RX_INCLUDES_FCS),
	FLAG(HOST_BROADCAST_PS_BUFFERING),
	FLAG(SIGNAL_UNSPEC),
	FLAG(SIGNAL_DBM),
	FLAG(NEED_DTIM_BEFORE_ASSOC),
	FLAG(SPECTRUM_MGMT),
	FLAG(AMPDU_AGGREGATION),
	FLAG(SUPPORTS_PS),
	FLAG(PS_NULLFUNC_STACK),
	FLAG(SUPPORTS_DYNAMIC_PS),
	FLAG(MFP_CAPABLE),
	FLAG(WANT_MONITOR_VIF),
	FLAG(NO_AUTO_VIF),
	FLAG(SW_CRYPTO_CONTROL),
	FLAG(SUPPORT_FAST_XMIT),
	FLAG(REPORTS_TX_ACK_STATUS),
	FLAG(CONNECTION_MONITOR),
	FLAG(QUEUE_CONTROL),
	FLAG(SUPPORTS_PER_STA_GTK),
	FLAG(AP_LINK_PS),
	FLAG(TX_AMPDU_SETUP_IN_HW),
	FLAG(SUPPORTS_RC_TABLE),
	FLAG(P2P_DEV_ADDR_FOR_INTF),
	FLAG(TIMING_BEACON_ONLY),
	FLAG(SUPPORTS_HT_CCK_RATES),
	FLAG(CHANCTX_STA_CSA),
	FLAG(SUPPORTS_CLONED_SKBS),
	FLAG(SINGLE_SCAN_ON_ALL_BANDS),
	FLAG(TDLS_WIDER_BW),
	FLAG(SUPPORTS_AMSDU_IN_AMPDU),
	FLAG(BEACON_TX_STATUS),
	FLAG(NEEDS_UNIQUE_STA_ADDR),
	FLAG(SUPPORTS_REORDERING_BUFFER),
	FLAG(USES_RSS),
	FLAG(TX_AMSDU),
	FLAG(TX_FRAG_LIST),
	FLAG(REPORTS_LOW_ACK),
	FLAG(SUPPORTS_TX_FRAG),
	FLAG(SUPPORTS_TDLS_BUFFER_STA),
	FLAG(DEAUTH_NEED_MGD_TX_PREP),
	FLAG(DOESNT_SUPPORT_QOS_NDP),
	FLAG(BUFF_MMPDU_TXQ),
	FLAG(SUPPORTS_VHT_EXT_NSS_BW),
	FLAG(STA_MMPDU_TXQ),
	FLAG(TX_STATUS_NO_AMPDU_LEN),
	FLAG(SUPPORTS_MULTI_BSSID),
	FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
	FLAG(AMPDU_KEYBORDER_SUPPORT),
	FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
	FLAG(SUPPORTS_RX_DECAP_OFFLOAD),
#undef FLAG
};

static ssize_t hwflags_read(struct file *file, char __user *user_buf,
			    size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
	char *buf = kzalloc(bufsz, GFP_KERNEL);
	char *pos = buf, *end = buf + bufsz - 1;
	ssize_t rv;
	int i;

	if (!buf)
		return -ENOMEM;

	/* fail compilation if somebody adds or removes
	 * a flag without updating the name array above
	 */
	BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);

	for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
		if (test_bit(i, local->hw.flags))
			pos += scnprintf(pos, end - pos, "%s\n",
					 hw_flag_names[i]);
	}

	rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
	kfree(buf);
	return rv;
}

static ssize_t misc_read(struct file *file, char __user *user_buf,
			 size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	/* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
	size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
	char *buf;
	char *pos, *end;
	ssize_t rv;
	int i;
	int ln;

	buf = kzalloc(bufsz, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	pos = buf;
	end = buf + bufsz - 1;

	pos += scnprintf(pos, end - pos, "pending:\n");

	for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
		ln = skb_queue_len(&local->pending[i]);
		pos += scnprintf(pos, end - pos, "[%i] %d\n",
				 i, ln);
	}

	rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
	kfree(buf);
	return rv;
}

static ssize_t queues_read(struct file *file, char __user *user_buf,
			   size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	unsigned long flags;
	char buf[IEEE80211_MAX_QUEUES * 20];
	int q, res = 0;

	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
	for (q = 0; q < local->hw.queues; q++)
		res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
				local->queue_stop_reasons[q],
				skb_queue_len(&local->pending[q]));
	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);

	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
}

DEBUGFS_READONLY_FILE_OPS(hwflags);
DEBUGFS_READONLY_FILE_OPS(queues);
DEBUGFS_READONLY_FILE_OPS(misc);

/* statistics stuff */

static ssize_t format_devstat_counter(struct ieee80211_local *local,
	char __user *userbuf,
	size_t count, loff_t *ppos,
	int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
			  int buflen))
{
	struct ieee80211_low_level_stats stats;
	char buf[20];
	int res;

	rtnl_lock();
	res = drv_get_stats(local, &stats);
	rtnl_unlock();
	if (res)
		return res;
	res = printvalue(&stats, buf, sizeof(buf));
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}

#define DEBUGFS_DEVSTATS_FILE(name)					\
static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
				 char *buf, int buflen)			\
{									\
	return scnprintf(buf, buflen, "%u\n", stats->name);		\
}									\
static ssize_t stats_ ##name## _read(struct file *file,			\
				     char __user *userbuf,		\
				     size_t count, loff_t *ppos)	\
{									\
	return format_devstat_counter(file->private_data,		\
				      userbuf,				\
				      count,				\
				      ppos,				\
				      print_devstats_##name);		\
}									\
									\
static const struct file_operations stats_ ##name## _ops = {		\
	.read = stats_ ##name## _read,					\
	.open = simple_open,						\
	.llseek = generic_file_llseek,					\
};

#define DEBUGFS_STATS_ADD(name)					\
	debugfs_create_u32(#name, 0400, statsd, &local->name);
#define DEBUGFS_DEVSTATS_ADD(name)					\
	debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);

DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);

void debugfs_hw_add(struct ieee80211_local *local)
{
	struct dentry *phyd = local->hw.wiphy->debugfsdir;
	struct dentry *statsd;

	if (!phyd)
		return;

	local->debugfs.keys = debugfs_create_dir("keys", phyd);

	DEBUGFS_ADD(total_ps_buffered);
	DEBUGFS_ADD(wep_iv);
	DEBUGFS_ADD(rate_ctrl_alg);
	DEBUGFS_ADD(queues);
	DEBUGFS_ADD(misc);
#ifdef CONFIG_PM
	DEBUGFS_ADD_MODE(reset, 0200);
#endif
	DEBUGFS_ADD(hwflags);
	DEBUGFS_ADD(user_power);
	DEBUGFS_ADD(power);
	DEBUGFS_ADD(hw_conf);
	DEBUGFS_ADD_MODE(force_tx_status, 0600);
	DEBUGFS_ADD_MODE(aql_enable, 0600);

	if (local->ops->wake_tx_queue)
		DEBUGFS_ADD_MODE(aqm, 0600);

	DEBUGFS_ADD_MODE(airtime_flags, 0600);

	DEBUGFS_ADD(aql_txq_limit);
	debugfs_create_u32("aql_threshold", 0600,
			   phyd, &local->aql_threshold);

	statsd = debugfs_create_dir("statistics", phyd);

	/* if the dir failed, don't put all the other things into the root! */
	if (!statsd)
		return;

#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
	DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
	DEBUGFS_STATS_ADD(dot11FailedCount);
	DEBUGFS_STATS_ADD(dot11RetryCount);
	DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
	DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
	DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
	DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
	DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
	DEBUGFS_STATS_ADD(tx_handlers_drop);
	DEBUGFS_STATS_ADD(tx_handlers_queued);
	DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
	DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
	DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
	DEBUGFS_STATS_ADD(rx_handlers_drop);
	DEBUGFS_STATS_ADD(rx_handlers_queued);
	DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
	DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
	DEBUGFS_STATS_ADD(tx_expand_skb_head);
	DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
	DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
	DEBUGFS_STATS_ADD(rx_handlers_fragments);
	DEBUGFS_STATS_ADD(tx_status_drop);
#endif
	DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
	DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
	DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
	DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
}
Commit	Line	Data
7f904d7e	1	// SPDX-License-Identifier: GPL-2.0-only
e9f207f0 JB	2	/*
	3	* mac80211 debugfs for wireless PHYs
	4	*
	5	* Copyright 2007 Johannes Berg <[email protected]>
d98ad83e	6	* Copyright 2013-2014 Intel Mobile Communications GmbH
caf56338	7	* Copyright (C) 2018 - 2019 Intel Corporation
e9f207f0 JB	8	*/
	9
	10	#include <linux/debugfs.h>
	11	#include <linux/rtnetlink.h>
9399b86c	12	#include <linux/vmalloc.h>
e9f207f0	13	#include "ieee80211_i.h"
24487981	14	#include "driver-ops.h"
2c8dccc7	15	#include "rate.h"
e9f207f0 JB	16	#include "debugfs.h"
e9f207f0 JB	17
07caf9d6 EP	18	#define DEBUGFS_FORMAT_BUFFER_SIZE 100
	19
	20	int mac80211_format_buffer(char __user *userbuf, size_t count,
	21	loff_t ppos, char fmt, ...)
	22	{
	23	va_list args;
	24	char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
	25	int res;
	26
	27	va_start(args, fmt);
	28	res = vscnprintf(buf, sizeof(buf), fmt, args);
	29	va_end(args);
	30
	31	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
	32	}
	33
279daf64	34	#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \
e9f207f0 JB	35	static ssize_t name## _read(struct file file, char __user userbuf, \
	36	size_t count, loff_t *ppos) \
	37	{ \
	38	struct ieee80211_local *local = file->private_data; \
e9f207f0	39	\
07caf9d6 EP	40	return mac80211_format_buffer(userbuf, count, ppos, \
07caf9d6 EP	41	fmt "\n", ##value); \
279daf64 BG	42	}
	43
	44	#define DEBUGFS_READONLY_FILE_OPS(name) \
e9f207f0 JB	45	static const struct file_operations name## _ops = { \
e9f207f0 JB	46	.read = name## _read, \
234e3405	47	.open = simple_open, \
2b18ab36	48	.llseek = generic_file_llseek, \
e9f207f0 JB	49	};
e9f207f0 JB	50
279daf64 BG	51	#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
	52	DEBUGFS_READONLY_FILE_FN(name, fmt, value) \
	53	DEBUGFS_READONLY_FILE_OPS(name)
	54
e9f207f0	55	#define DEBUGFS_ADD(name) \
84674ef4	56	debugfs_create_file(#name, 0400, phyd, local, &name## _ops)
e9f207f0	57
827b1fb4	58	#define DEBUGFS_ADD_MODE(name, mode) \
7bcfaf2f	59	debugfs_create_file(#name, mode, phyd, local, &name## _ops);
e9f207f0 JB	60
e9f207f0 JB	61
c90142a5 TP	62	DEBUGFS_READONLY_FILE(hw_conf, "%x",
c90142a5 TP	63	local->hw.conf.flags);
83bdf2a1 BG	64	DEBUGFS_READONLY_FILE(user_power, "%d",
	65	local->user_power_level);
	66	DEBUGFS_READONLY_FILE(power, "%d",
	67	local->hw.conf.power_level);
07caf9d6	68	DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
e9f207f0	69	local->total_ps_buffered);
07caf9d6	70	DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
e9f207f0	71	local->wep_iv & 0xffffff);
07caf9d6	72	DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
af65cd96	73	local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
3b5d665b	74
8d51dbb8 THJ	75	static ssize_t aqm_read(struct file *file,
	76	char __user *user_buf,
	77	size_t count,
	78	loff_t *ppos)
9399b86c	79	{
8d51dbb8	80	struct ieee80211_local *local = file->private_data;
9399b86c	81	struct fq *fq = &local->fq;
8d51dbb8	82	char buf[200];
9399b86c	83	int len = 0;
9399b86c MK	84
	85	spin_lock_bh(&local->fq.lock);
	86	rcu_read_lock();
	87
8d51dbb8 THJ	88	len = scnprintf(buf, sizeof(buf),
	89	"access name value\n"
	90	"R fq_flows_cnt %u\n"
	91	"R fq_backlog %u\n"
	92	"R fq_overlimit %u\n"
2a4e675d	93	"R fq_overmemory %u\n"
8d51dbb8	94	"R fq_collisions %u\n"
2a4e675d THJ	95	"R fq_memory_usage %u\n"
2a4e675d THJ	96	"RW fq_memory_limit %u\n"
8d51dbb8 THJ	97	"RW fq_limit %u\n"
	98	"RW fq_quantum %u\n",
	99	fq->flows_cnt,
	100	fq->backlog,
2a4e675d	101	fq->overmemory,
8d51dbb8 THJ	102	fq->overlimit,
8d51dbb8 THJ	103	fq->collisions,
2a4e675d THJ	104	fq->memory_usage,
2a4e675d THJ	105	fq->memory_limit,
8d51dbb8 THJ	106	fq->limit,
8d51dbb8 THJ	107	fq->quantum);
9399b86c MK	108
	109	rcu_read_unlock();
	110	spin_unlock_bh(&local->fq.lock);
	111
9399b86c	112	return simple_read_from_buffer(user_buf, count, ppos,
8d51dbb8	113	buf, len);
9399b86c MK	114	}
	115
	116	static ssize_t aqm_write(struct file *file,
	117	const char __user *user_buf,
	118	size_t count,
	119	loff_t *ppos)
	120	{
8d51dbb8	121	struct ieee80211_local *local = file->private_data;
9399b86c	122	char buf[100];
9399b86c	123
6020d534	124	if (count >= sizeof(buf))
9399b86c MK	125	return -EINVAL;
	126
	127	if (copy_from_user(buf, user_buf, count))
	128	return -EFAULT;
	129
6020d534 SC	130	if (count && buf[count - 1] == '\n')
	131	buf[count - 1] = '\0';
	132	else
	133	buf[count] = '\0';
9399b86c MK	134
	135	if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
	136	return count;
2a4e675d THJ	137	else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
2a4e675d THJ	138	return count;
9399b86c MK	139	else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
	140	return count;
	141
	142	return -EINVAL;
	143	}
	144
	145	static const struct file_operations aqm_ops = {
	146	.write = aqm_write,
	147	.read = aqm_read,
8d51dbb8	148	.open = simple_open,
9399b86c MK	149	.llseek = default_llseek,
	150	};
	151
e322c07f LB	152	static ssize_t airtime_flags_read(struct file *file,
	153	char __user *user_buf,
	154	size_t count, loff_t *ppos)
	155	{
	156	struct ieee80211_local *local = file->private_data;
	157	char buf[128] = {}, pos, end;
	158
	159	pos = buf;
	160	end = pos + sizeof(buf) - 1;
	161
	162	if (local->airtime_flags & AIRTIME_USE_TX)
	163	pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
	164	AIRTIME_USE_TX);
	165	if (local->airtime_flags & AIRTIME_USE_RX)
	166	pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
	167	AIRTIME_USE_RX);
	168
	169	return simple_read_from_buffer(user_buf, count, ppos, buf,
	170	strlen(buf));
	171	}
	172
	173	static ssize_t airtime_flags_write(struct file *file,
	174	const char __user *user_buf,
	175	size_t count, loff_t *ppos)
	176	{
	177	struct ieee80211_local *local = file->private_data;
	178	char buf[16];
e322c07f	179
6020d534	180	if (count >= sizeof(buf))
e322c07f LB	181	return -EINVAL;
	182
	183	if (copy_from_user(buf, user_buf, count))
	184	return -EFAULT;
	185
6020d534 SC	186	if (count && buf[count - 1] == '\n')
	187	buf[count - 1] = '\0';
	188	else
	189	buf[count] = '\0';
e322c07f LB	190
	191	if (kstrtou16(buf, 0, &local->airtime_flags))
	192	return -EINVAL;
	193
	194	return count;
	195	}
	196
	197	static const struct file_operations airtime_flags_ops = {
	198	.write = airtime_flags_write,
	199	.read = airtime_flags_read,
	200	.open = simple_open,
	201	.llseek = default_llseek,
	202	};
	203
3ace10f5 KY	204	static ssize_t aql_txq_limit_read(struct file *file,
	205	char __user *user_buf,
	206	size_t count,
	207	loff_t *ppos)
	208	{
	209	struct ieee80211_local *local = file->private_data;
	210	char buf[400];
	211	int len = 0;
	212
	213	len = scnprintf(buf, sizeof(buf),
	214	"AC AQL limit low AQL limit high\n"
	215	"VO %u %u\n"
	216	"VI %u %u\n"
	217	"BE %u %u\n"
	218	"BK %u %u\n",
	219	local->aql_txq_limit_low[IEEE80211_AC_VO],
	220	local->aql_txq_limit_high[IEEE80211_AC_VO],
	221	local->aql_txq_limit_low[IEEE80211_AC_VI],
	222	local->aql_txq_limit_high[IEEE80211_AC_VI],
	223	local->aql_txq_limit_low[IEEE80211_AC_BE],
	224	local->aql_txq_limit_high[IEEE80211_AC_BE],
	225	local->aql_txq_limit_low[IEEE80211_AC_BK],
	226	local->aql_txq_limit_high[IEEE80211_AC_BK]);
	227	return simple_read_from_buffer(user_buf, count, ppos,
	228	buf, len);
	229	}
	230
	231	static ssize_t aql_txq_limit_write(struct file *file,
	232	const char __user *user_buf,
	233	size_t count,
	234	loff_t *ppos)
	235	{
	236	struct ieee80211_local *local = file->private_data;
	237	char buf[100];
3ace10f5 KY	238	u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
	239	struct sta_info *sta;
	240
6020d534	241	if (count >= sizeof(buf))
3ace10f5 KY	242	return -EINVAL;
	243
	244	if (copy_from_user(buf, user_buf, count))
	245	return -EFAULT;
	246
6020d534 SC	247	if (count && buf[count - 1] == '\n')
	248	buf[count - 1] = '\0';
	249	else
	250	buf[count] = '\0';
3ace10f5 KY	251
	252	if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
	253	return -EINVAL;
	254
	255	if (ac >= IEEE80211_NUM_ACS)
	256	return -EINVAL;
	257
	258	q_limit_low_old = local->aql_txq_limit_low[ac];
	259	q_limit_high_old = local->aql_txq_limit_high[ac];
	260
	261	local->aql_txq_limit_low[ac] = q_limit_low;
	262	local->aql_txq_limit_high[ac] = q_limit_high;
	263
	264	mutex_lock(&local->sta_mtx);
	265	list_for_each_entry(sta, &local->sta_list, list) {
	266	/* If a sta has customized queue limits, keep it */
	267	if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
	268	sta->airtime[ac].aql_limit_high == q_limit_high_old) {
	269	sta->airtime[ac].aql_limit_low = q_limit_low;
	270	sta->airtime[ac].aql_limit_high = q_limit_high;
	271	}
	272	}
	273	mutex_unlock(&local->sta_mtx);
	274	return count;
	275	}
	276
	277	static const struct file_operations aql_txq_limit_ops = {
	278	.write = aql_txq_limit_write,
	279	.read = aql_txq_limit_read,
	280	.open = simple_open,
	281	.llseek = default_llseek,
	282	};
	283
e908435e LB	284	static ssize_t aql_enable_read(struct file file, char __user user_buf,
	285	size_t count, loff_t *ppos)
	286	{
	287	char buf[3];
	288	int len;
	289
	290	len = scnprintf(buf, sizeof(buf), "%d\n",
	291	!static_key_false(&aql_disable.key));
	292
	293	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
	294	}
	295
	296	static ssize_t aql_enable_write(struct file file, const char __user user_buf,
	297	size_t count, loff_t *ppos)
	298	{
	299	bool aql_disabled = static_key_false(&aql_disable.key);
	300	char buf[3];
	301	size_t len;
	302
	303	if (count > sizeof(buf))
	304	return -EINVAL;
	305
	306	if (copy_from_user(buf, user_buf, count))
	307	return -EFAULT;
	308
	309	buf[sizeof(buf) - 1] = '\0';
	310	len = strlen(buf);
	311	if (len > 0 && buf[len - 1] == '\n')
	312	buf[len - 1] = 0;
	313
	314	if (buf[0] == '0' && buf[1] == '\0') {
	315	if (!aql_disabled)
	316	static_branch_inc(&aql_disable);
	317	} else if (buf[0] == '1' && buf[1] == '\0') {
	318	if (aql_disabled)
	319	static_branch_dec(&aql_disable);
	320	} else {
	321	return -EINVAL;
	322	}
	323
	324	return count;
	325	}
	326
	327	static const struct file_operations aql_enable_ops = {
	328	.write = aql_enable_write,
	329	.read = aql_enable_read,
	330	.open = simple_open,
	331	.llseek = default_llseek,
	332	};
	333
276d9e82 JN	334	static ssize_t force_tx_status_read(struct file *file,
	335	char __user *user_buf,
	336	size_t count,
	337	loff_t *ppos)
	338	{
	339	struct ieee80211_local *local = file->private_data;
	340	char buf[3];
	341	int len = 0;
	342
	343	len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
	344
	345	return simple_read_from_buffer(user_buf, count, ppos,
	346	buf, len);
	347	}
	348
	349	static ssize_t force_tx_status_write(struct file *file,
	350	const char __user *user_buf,
	351	size_t count,
	352	loff_t *ppos)
	353	{
	354	struct ieee80211_local *local = file->private_data;
	355	char buf[3];
276d9e82	356
6020d534	357	if (count >= sizeof(buf))
276d9e82 JN	358	return -EINVAL;
	359
	360	if (copy_from_user(buf, user_buf, count))
	361	return -EFAULT;
	362
6020d534 SC	363	if (count && buf[count - 1] == '\n')
	364	buf[count - 1] = '\0';
	365	else
	366	buf[count] = '\0';
276d9e82 JN	367
	368	if (buf[0] == '0' && buf[1] == '\0')
	369	local->force_tx_status = 0;
	370	else if (buf[0] == '1' && buf[1] == '\0')
	371	local->force_tx_status = 1;
	372	else
	373	return -EINVAL;
	374
	375	return count;
	376	}
	377
	378	static const struct file_operations force_tx_status_ops = {
	379	.write = force_tx_status_write,
	380	.read = force_tx_status_read,
	381	.open = simple_open,
	382	.llseek = default_llseek,
	383	};
	384
2ad4814f	385	#ifdef CONFIG_PM
827b1fb4 JB	386	static ssize_t reset_write(struct file file, const char __user user_buf,
	387	size_t count, loff_t *ppos)
	388	{
	389	struct ieee80211_local *local = file->private_data;
	390
	391	rtnl_lock();
eecc4800	392	__ieee80211_suspend(&local->hw, NULL);
827b1fb4 JB	393	__ieee80211_resume(&local->hw);
	394	rtnl_unlock();
	395
	396	return count;
	397	}
	398
	399	static const struct file_operations reset_ops = {
	400	.write = reset_write,
234e3405	401	.open = simple_open,
6038f373	402	.llseek = noop_llseek,
827b1fb4	403	};
2ad4814f	404	#endif
827b1fb4	405
68920c97	406	static const char *hw_flag_names[] = {
30686bf7 JB	407	#define FLAG(F) [IEEE80211_HW_##F] = #F
	408	FLAG(HAS_RATE_CONTROL),
	409	FLAG(RX_INCLUDES_FCS),
	410	FLAG(HOST_BROADCAST_PS_BUFFERING),
	411	FLAG(SIGNAL_UNSPEC),
	412	FLAG(SIGNAL_DBM),
	413	FLAG(NEED_DTIM_BEFORE_ASSOC),
	414	FLAG(SPECTRUM_MGMT),
	415	FLAG(AMPDU_AGGREGATION),
	416	FLAG(SUPPORTS_PS),
	417	FLAG(PS_NULLFUNC_STACK),
	418	FLAG(SUPPORTS_DYNAMIC_PS),
	419	FLAG(MFP_CAPABLE),
	420	FLAG(WANT_MONITOR_VIF),
	421	FLAG(NO_AUTO_VIF),
	422	FLAG(SW_CRYPTO_CONTROL),
	423	FLAG(SUPPORT_FAST_XMIT),
	424	FLAG(REPORTS_TX_ACK_STATUS),
	425	FLAG(CONNECTION_MONITOR),
	426	FLAG(QUEUE_CONTROL),
	427	FLAG(SUPPORTS_PER_STA_GTK),
	428	FLAG(AP_LINK_PS),
	429	FLAG(TX_AMPDU_SETUP_IN_HW),
	430	FLAG(SUPPORTS_RC_TABLE),
	431	FLAG(P2P_DEV_ADDR_FOR_INTF),
	432	FLAG(TIMING_BEACON_ONLY),
	433	FLAG(SUPPORTS_HT_CCK_RATES),
	434	FLAG(CHANCTX_STA_CSA),
	435	FLAG(SUPPORTS_CLONED_SKBS),
	436	FLAG(SINGLE_SCAN_ON_ALL_BANDS),
b98fb44f	437	FLAG(TDLS_WIDER_BW),
99e7ca44	438	FLAG(SUPPORTS_AMSDU_IN_AMPDU),
35afa588	439	FLAG(BEACON_TX_STATUS),
31104891	440	FLAG(NEEDS_UNIQUE_STA_ADDR),
412a6d80	441	FLAG(SUPPORTS_REORDERING_BUFFER),
c9c5962b	442	FLAG(USES_RSS),
6e0456b5 FF	443	FLAG(TX_AMSDU),
6e0456b5 FF	444	FLAG(TX_FRAG_LIST),
e8a24cd4	445	FLAG(REPORTS_LOW_ACK),
f3fe4e93	446	FLAG(SUPPORTS_TX_FRAG),
e2fb1b83	447	FLAG(SUPPORTS_TDLS_BUFFER_STA),
94ba9271	448	FLAG(DEAUTH_NEED_MGD_TX_PREP),
7c181f4f	449	FLAG(DOESNT_SUPPORT_QOS_NDP),
adf8ed01	450	FLAG(BUFF_MMPDU_TXQ),
09b4a4fa	451	FLAG(SUPPORTS_VHT_EXT_NSS_BW),
0eeb2b67	452	FLAG(STA_MMPDU_TXQ),
77f7ffdc	453	FLAG(TX_STATUS_NO_AMPDU_LEN),
caf56338 SS	454	FLAG(SUPPORTS_MULTI_BSSID),
caf56338 SS	455	FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
dc3998ec	456	FLAG(AMPDU_KEYBORDER_SUPPORT),
6aea26ce	457	FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
80a915ec	458	FLAG(SUPPORTS_RX_DECAP_OFFLOAD),
30686bf7 JB	459	#undef FLAG
	460	};
	461
279daf64 BG	462	static ssize_t hwflags_read(struct file file, char __user user_buf,
	463	size_t count, loff_t *ppos)
	464	{
	465	struct ieee80211_local *local = file->private_data;
30686bf7 JB	466	size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
	467	char *buf = kzalloc(bufsz, GFP_KERNEL);
	468	char pos = buf, end = buf + bufsz - 1;
279daf64	469	ssize_t rv;
30686bf7	470	int i;
279daf64	471
d15b8459	472	if (!buf)
30686bf7 JB	473	return -ENOMEM;
	474
	475	/* fail compilation if somebody adds or removes
	476	* a flag without updating the name array above
	477	*/
68920c97	478	BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
30686bf7 JB	479
	480	for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
	481	if (test_bit(i, local->hw.flags))
4633dfc3	482	pos += scnprintf(pos, end - pos, "%s\n",
30686bf7 JB	483	hw_flag_names[i]);
30686bf7 JB	484	}
279daf64 BG	485
	486	rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
	487	kfree(buf);
	488	return rv;
	489	}
199d69f2	490
4a5eccaa BG	491	static ssize_t misc_read(struct file file, char __user user_buf,
	492	size_t count, loff_t *ppos)
	493	{
	494	struct ieee80211_local *local = file->private_data;
	495	/* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
	496	size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
b2347a32 DC	497	char *buf;
b2347a32 DC	498	char pos, end;
4a5eccaa BG	499	ssize_t rv;
	500	int i;
	501	int ln;
	502
b2347a32 DC	503	buf = kzalloc(bufsz, GFP_KERNEL);
	504	if (!buf)
	505	return -ENOMEM;
	506
	507	pos = buf;
	508	end = buf + bufsz - 1;
	509
4a5eccaa BG	510	pos += scnprintf(pos, end - pos, "pending:\n");
	511
	512	for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
	513	ln = skb_queue_len(&local->pending[i]);
	514	pos += scnprintf(pos, end - pos, "[%i] %d\n",
	515	i, ln);
	516	}
	517
	518	rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
	519	kfree(buf);
	520	return rv;
	521	}
	522
db2e6bd4 JB	523	static ssize_t queues_read(struct file file, char __user user_buf,
	524	size_t count, loff_t *ppos)
	525	{
	526	struct ieee80211_local *local = file->private_data;
	527	unsigned long flags;
	528	char buf[IEEE80211_MAX_QUEUES * 20];
	529	int q, res = 0;
	530
	531	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
	532	for (q = 0; q < local->hw.queues; q++)
	533	res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
	534	local->queue_stop_reasons[q],
3b8d81e0	535	skb_queue_len(&local->pending[q]));
db2e6bd4 JB	536	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
	537
	538	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
	539	}
	540
279daf64	541	DEBUGFS_READONLY_FILE_OPS(hwflags);
279daf64	542	DEBUGFS_READONLY_FILE_OPS(queues);
4a5eccaa	543	DEBUGFS_READONLY_FILE_OPS(misc);
db2e6bd4	544
e9f207f0 JB	545	/* statistics stuff */
e9f207f0 JB	546
e9f207f0 JB	547	static ssize_t format_devstat_counter(struct ieee80211_local *local,
	548	char __user *userbuf,
	549	size_t count, loff_t *ppos,
	550	int (printvalue)(struct ieee80211_low_level_stats stats, char *buf,
	551	int buflen))
	552	{
	553	struct ieee80211_low_level_stats stats;
	554	char buf[20];
	555	int res;
	556
75636525	557	rtnl_lock();
24487981	558	res = drv_get_stats(local, &stats);
e9f207f0	559	rtnl_unlock();
24487981 JB	560	if (res)
	561	return res;
	562	res = printvalue(&stats, buf, sizeof(buf));
e9f207f0 JB	563	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
	564	}
	565
	566	#define DEBUGFS_DEVSTATS_FILE(name) \
	567	static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
	568	char *buf, int buflen) \
	569	{ \
	570	return scnprintf(buf, buflen, "%u\n", stats->name); \
	571	} \
	572	static ssize_t stats_ ##name## _read(struct file *file, \
	573	char __user *userbuf, \
	574	size_t count, loff_t *ppos) \
	575	{ \
	576	return format_devstat_counter(file->private_data, \
	577	userbuf, \
	578	count, \
	579	ppos, \
	580	print_devstats_##name); \
	581	} \
	582	\
	583	static const struct file_operations stats_ ##name## _ops = { \
	584	.read = stats_ ##name## _read, \
234e3405	585	.open = simple_open, \
2b18ab36	586	.llseek = generic_file_llseek, \
e9f207f0 JB	587	};
e9f207f0 JB	588
f1160434 JB	589	#define DEBUGFS_STATS_ADD(name) \
f1160434 JB	590	debugfs_create_u32(#name, 0400, statsd, &local->name);
2826bcd8	591	#define DEBUGFS_DEVSTATS_ADD(name) \
7bcfaf2f	592	debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
e9f207f0	593
e9f207f0 JB	594	DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
	595	DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
	596	DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
	597	DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
	598
e9f207f0 JB	599	void debugfs_hw_add(struct ieee80211_local *local)
	600	{
	601	struct dentry *phyd = local->hw.wiphy->debugfsdir;
	602	struct dentry *statsd;
	603
	604	if (!phyd)
	605	return;
	606
e9f207f0 JB	607	local->debugfs.keys = debugfs_create_dir("keys", phyd);
e9f207f0 JB	608
e9f207f0	609	DEBUGFS_ADD(total_ps_buffered);
e9f207f0	610	DEBUGFS_ADD(wep_iv);
bddb2afc	611	DEBUGFS_ADD(rate_ctrl_alg);
db2e6bd4	612	DEBUGFS_ADD(queues);
4a5eccaa	613	DEBUGFS_ADD(misc);
2ad4814f	614	#ifdef CONFIG_PM
827b1fb4	615	DEBUGFS_ADD_MODE(reset, 0200);
2ad4814f	616	#endif
279daf64	617	DEBUGFS_ADD(hwflags);
83bdf2a1 BG	618	DEBUGFS_ADD(user_power);
83bdf2a1 BG	619	DEBUGFS_ADD(power);
c90142a5	620	DEBUGFS_ADD(hw_conf);
276d9e82	621	DEBUGFS_ADD_MODE(force_tx_status, 0600);
e908435e	622	DEBUGFS_ADD_MODE(aql_enable, 0600);
8d51dbb8 THJ	623
	624	if (local->ops->wake_tx_queue)
	625	DEBUGFS_ADD_MODE(aqm, 0600);
e9f207f0	626
e322c07f	627	DEBUGFS_ADD_MODE(airtime_flags, 0600);
b4809e94	628
3ace10f5 KY	629	DEBUGFS_ADD(aql_txq_limit);
	630	debugfs_create_u32("aql_threshold", 0600,
	631	phyd, &local->aql_threshold);
	632
e9f207f0	633	statsd = debugfs_create_dir("statistics", phyd);
e9f207f0 JB	634
	635	/* if the dir failed, don't put all the other things into the root! */
	636	if (!statsd)
	637	return;
	638
c206ca67	639	#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
f1160434 JB	640	DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
	641	DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
	642	DEBUGFS_STATS_ADD(dot11FailedCount);
	643	DEBUGFS_STATS_ADD(dot11RetryCount);
	644	DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
	645	DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
	646	DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
	647	DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
	648	DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
f1160434 JB	649	DEBUGFS_STATS_ADD(tx_handlers_drop);
	650	DEBUGFS_STATS_ADD(tx_handlers_queued);
	651	DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
	652	DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
	653	DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
	654	DEBUGFS_STATS_ADD(rx_handlers_drop);
	655	DEBUGFS_STATS_ADD(rx_handlers_queued);
	656	DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
	657	DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
f1160434 JB	658	DEBUGFS_STATS_ADD(tx_expand_skb_head);
	659	DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
	660	DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
	661	DEBUGFS_STATS_ADD(rx_handlers_fragments);
	662	DEBUGFS_STATS_ADD(tx_status_drop);
e9f207f0	663	#endif
2826bcd8 FF	664	DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
	665	DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
	666	DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
	667	DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
e9f207f0	668	}