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

/*
 * mac80211 debugfs for wireless PHYs
 *
 * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
 *
 * GPLv2
 *
 */

#include <linux/debugfs.h>
#include <linux/rtnetlink.h>
#include "ieee80211_i.h"
#include "rate.h"
#include "debugfs.h"

int mac80211_open_file_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

#define DEBUGFS_READONLY_FILE(name, buflen, 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;		\
	char buf[buflen];						\
	int res;							\
									\
	res = scnprintf(buf, buflen, fmt "\n", ##value);		\
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
}									\
									\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = mac80211_open_file_generic,				\
};

#define DEBUGFS_ADD(name)						\
	local->debugfs.name = debugfs_create_file(#name, 0400, phyd,	\
						  local, &name## _ops);

#define DEBUGFS_ADD_MODE(name, mode)					\
	local->debugfs.name = debugfs_create_file(#name, mode, phyd,	\
						  local, &name## _ops);

#define DEBUGFS_DEL(name)						\
	debugfs_remove(local->debugfs.name);				\
	local->debugfs.name = NULL;


DEBUGFS_READONLY_FILE(frequency, 20, "%d",
		      local->hw.conf.channel->center_freq);
DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
		      local->rts_threshold);
DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
		      local->fragmentation_threshold);
DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
		      local->hw.conf.short_frame_max_tx_count);
DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
		      local->hw.conf.long_frame_max_tx_count);
DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
		      local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
		      local->wep_iv & 0xffffff);
DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
		      local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");

static ssize_t tsf_read(struct file *file, char __user *user_buf,
			     size_t count, loff_t *ppos)
{
	struct ieee80211_local *local = file->private_data;
	u64 tsf = 0;
	char buf[100];

	if (local->ops->get_tsf)
		tsf = local->ops->get_tsf(local_to_hw(local));

	snprintf(buf, sizeof(buf), "0x%016llx\n", (unsigned long long) tsf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
}

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

	len = min(count, sizeof(buf) - 1);
	if (copy_from_user(buf, user_buf, len))
		return -EFAULT;
	buf[len] = '\0';

	if (strncmp(buf, "reset", 5) == 0) {
		if (local->ops->reset_tsf) {
			local->ops->reset_tsf(local_to_hw(local));
			printk(KERN_INFO "%s: debugfs reset TSF\n", wiphy_name(local->hw.wiphy));
		}
	} else {
		tsf = simple_strtoul(buf, NULL, 0);
		if (local->ops->set_tsf) {
			local->ops->set_tsf(local_to_hw(local), tsf);
			printk(KERN_INFO "%s: debugfs set TSF to %#018llx\n", wiphy_name(local->hw.wiphy), tsf);
		}
	}

	return count;
}

static const struct file_operations tsf_ops = {
	.read = tsf_read,
	.write = tsf_write,
	.open = mac80211_open_file_generic
};

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);
	__ieee80211_resume(&local->hw);
	rtnl_unlock();

	return count;
}

static const struct file_operations reset_ops = {
	.write = reset_write,
	.open = mac80211_open_file_generic,
};

/* statistics stuff */

#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...)			\
	DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)

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;

	if (!local->ops->get_stats)
		return -EOPNOTSUPP;

	rtnl_lock();
	res = local->ops->get_stats(local_to_hw(local), &stats);
	rtnl_unlock();
	if (!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 = mac80211_open_file_generic,				\
};

#define DEBUGFS_STATS_ADD(name)						\
	local->debugfs.stats.name = debugfs_create_file(#name, 0400, statsd,\
		local, &stats_ ##name## _ops);

#define DEBUGFS_STATS_DEL(name)						\
	debugfs_remove(local->debugfs.stats.name);			\
	local->debugfs.stats.name = NULL;

DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
		   local->dot11TransmittedFragmentCount);
DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
		   local->dot11MulticastTransmittedFrameCount);
DEBUGFS_STATS_FILE(failed_count, 20, "%u",
		   local->dot11FailedCount);
DEBUGFS_STATS_FILE(retry_count, 20, "%u",
		   local->dot11RetryCount);
DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
		   local->dot11MultipleRetryCount);
DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
		   local->dot11FrameDuplicateCount);
DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
		   local->dot11ReceivedFragmentCount);
DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
		   local->dot11MulticastReceivedFrameCount);
DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
		   local->dot11TransmittedFrameCount);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
		   local->tx_handlers_drop);
DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
		   local->tx_handlers_queued);
DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
		   local->tx_handlers_drop_unencrypted);
DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
		   local->tx_handlers_drop_fragment);
DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
		   local->tx_handlers_drop_wep);
DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
		   local->tx_handlers_drop_not_assoc);
DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
		   local->tx_handlers_drop_unauth_port);
DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
		   local->rx_handlers_drop);
DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
		   local->rx_handlers_queued);
DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
		   local->rx_handlers_drop_nullfunc);
DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
		   local->rx_handlers_drop_defrag);
DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
		   local->rx_handlers_drop_short);
DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
		   local->rx_handlers_drop_passive_scan);
DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
		   local->tx_expand_skb_head);
DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
		   local->tx_expand_skb_head_cloned);
DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
		   local->rx_expand_skb_head);
DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
		   local->rx_expand_skb_head2);
DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
		   local->rx_handlers_fragments);
DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
		   local->tx_status_drop);

#endif

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

	DEBUGFS_ADD(frequency);
	DEBUGFS_ADD(rts_threshold);
	DEBUGFS_ADD(fragmentation_threshold);
	DEBUGFS_ADD(short_retry_limit);
	DEBUGFS_ADD(long_retry_limit);
	DEBUGFS_ADD(total_ps_buffered);
	DEBUGFS_ADD(wep_iv);
	DEBUGFS_ADD(tsf);
	DEBUGFS_ADD_MODE(reset, 0200);

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

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

	DEBUGFS_STATS_ADD(transmitted_fragment_count);
	DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
	DEBUGFS_STATS_ADD(failed_count);
	DEBUGFS_STATS_ADD(retry_count);
	DEBUGFS_STATS_ADD(multiple_retry_count);
	DEBUGFS_STATS_ADD(frame_duplicate_count);
	DEBUGFS_STATS_ADD(received_fragment_count);
	DEBUGFS_STATS_ADD(multicast_received_frame_count);
	DEBUGFS_STATS_ADD(transmitted_frame_count);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	DEBUGFS_STATS_ADD(tx_handlers_drop);
	DEBUGFS_STATS_ADD(tx_handlers_queued);
	DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
	DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
	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(rx_handlers_drop_short);
	DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
	DEBUGFS_STATS_ADD(tx_expand_skb_head);
	DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
	DEBUGFS_STATS_ADD(rx_expand_skb_head);
	DEBUGFS_STATS_ADD(rx_expand_skb_head2);
	DEBUGFS_STATS_ADD(rx_handlers_fragments);
	DEBUGFS_STATS_ADD(tx_status_drop);
#endif
	DEBUGFS_STATS_ADD(dot11ACKFailureCount);
	DEBUGFS_STATS_ADD(dot11RTSFailureCount);
	DEBUGFS_STATS_ADD(dot11FCSErrorCount);
	DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
}

void debugfs_hw_del(struct ieee80211_local *local)
{
	DEBUGFS_DEL(frequency);
	DEBUGFS_DEL(rts_threshold);
	DEBUGFS_DEL(fragmentation_threshold);
	DEBUGFS_DEL(short_retry_limit);
	DEBUGFS_DEL(long_retry_limit);
	DEBUGFS_DEL(total_ps_buffered);
	DEBUGFS_DEL(wep_iv);
	DEBUGFS_DEL(tsf);
	DEBUGFS_DEL(reset);

	DEBUGFS_STATS_DEL(transmitted_fragment_count);
	DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
	DEBUGFS_STATS_DEL(failed_count);
	DEBUGFS_STATS_DEL(retry_count);
	DEBUGFS_STATS_DEL(multiple_retry_count);
	DEBUGFS_STATS_DEL(frame_duplicate_count);
	DEBUGFS_STATS_DEL(received_fragment_count);
	DEBUGFS_STATS_DEL(multicast_received_frame_count);
	DEBUGFS_STATS_DEL(transmitted_frame_count);
	DEBUGFS_STATS_DEL(num_scans);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	DEBUGFS_STATS_DEL(tx_handlers_drop);
	DEBUGFS_STATS_DEL(tx_handlers_queued);
	DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
	DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
	DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
	DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
	DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
	DEBUGFS_STATS_DEL(rx_handlers_drop);
	DEBUGFS_STATS_DEL(rx_handlers_queued);
	DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
	DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
	DEBUGFS_STATS_DEL(rx_handlers_drop_short);
	DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
	DEBUGFS_STATS_DEL(tx_expand_skb_head);
	DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
	DEBUGFS_STATS_DEL(rx_expand_skb_head);
	DEBUGFS_STATS_DEL(rx_expand_skb_head2);
	DEBUGFS_STATS_DEL(rx_handlers_fragments);
	DEBUGFS_STATS_DEL(tx_status_drop);
#endif
	DEBUGFS_STATS_DEL(dot11ACKFailureCount);
	DEBUGFS_STATS_DEL(dot11RTSFailureCount);
	DEBUGFS_STATS_DEL(dot11FCSErrorCount);
	DEBUGFS_STATS_DEL(dot11RTSSuccessCount);

	debugfs_remove(local->debugfs.statistics);
	local->debugfs.statistics = NULL;
	debugfs_remove(local->debugfs.stations);
	local->debugfs.stations = NULL;
	debugfs_remove(local->debugfs.keys);
	local->debugfs.keys = NULL;
}
Commit	Line	Data
e9f207f0 JB	1	/*
	2	* mac80211 debugfs for wireless PHYs
	3	*
	4	* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
	5	*
	6	* GPLv2
	7	*
	8	*/
	9
	10	#include <linux/debugfs.h>
	11	#include <linux/rtnetlink.h>
	12	#include "ieee80211_i.h"
2c8dccc7	13	#include "rate.h"
e9f207f0 JB	14	#include "debugfs.h"
	15
	16	int mac80211_open_file_generic(struct inode inode, struct file file)
	17	{
	18	file->private_data = inode->i_private;
	19	return 0;
	20	}
	21
e9f207f0 JB	22	#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
	23	static ssize_t name## _read(struct file file, char __user userbuf, \
	24	size_t count, loff_t *ppos) \
	25	{ \
	26	struct ieee80211_local *local = file->private_data; \
	27	char buf[buflen]; \
	28	int res; \
	29	\
	30	res = scnprintf(buf, buflen, fmt "\n", ##value); \
	31	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	32	} \
	33	\
	34	static const struct file_operations name## _ops = { \
	35	.read = name## _read, \
	36	.open = mac80211_open_file_generic, \
	37	};
	38
	39	#define DEBUGFS_ADD(name) \
bebb8a5e	40	local->debugfs.name = debugfs_create_file(#name, 0400, phyd, \
e9f207f0 JB	41	local, &name## _ops);
e9f207f0 JB	42
827b1fb4 JB	43	#define DEBUGFS_ADD_MODE(name, mode) \
	44	local->debugfs.name = debugfs_create_file(#name, mode, phyd, \
	45	local, &name## _ops);
	46
e9f207f0 JB	47	#define DEBUGFS_DEL(name) \
	48	debugfs_remove(local->debugfs.name); \
	49	local->debugfs.name = NULL;
	50
	51
e9f207f0	52	DEBUGFS_READONLY_FILE(frequency, 20, "%d",
8318d78a	53	local->hw.conf.channel->center_freq);
e9f207f0 JB	54	DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
	55	local->rts_threshold);
	56	DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
	57	local->fragmentation_threshold);
	58	DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
9124b077	59	local->hw.conf.short_frame_max_tx_count);
e9f207f0	60	DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
9124b077	61	local->hw.conf.long_frame_max_tx_count);
e9f207f0 JB	62	DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
e9f207f0 JB	63	local->total_ps_buffered);
3b5d665b	64	DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
e9f207f0	65	local->wep_iv & 0xffffff);
e9f207f0 JB	66	DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
e9f207f0 JB	67	local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
3b5d665b AF	68
	69	static ssize_t tsf_read(struct file file, char __user user_buf,
	70	size_t count, loff_t *ppos)
	71	{
	72	struct ieee80211_local *local = file->private_data;
	73	u64 tsf = 0;
	74	char buf[100];
	75
	76	if (local->ops->get_tsf)
	77	tsf = local->ops->get_tsf(local_to_hw(local));
	78
	79	snprintf(buf, sizeof(buf), "0x%016llx\n", (unsigned long long) tsf);
	80
	81	return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
	82	}
	83
	84	static ssize_t tsf_write(struct file *file,
	85	const char __user *user_buf,
	86	size_t count, loff_t *ppos)
	87	{
	88	struct ieee80211_local *local = file->private_data;
	89	unsigned long long tsf;
	90	char buf[100];
	91	size_t len;
	92
	93	len = min(count, sizeof(buf) - 1);
	94	if (copy_from_user(buf, user_buf, len))
	95	return -EFAULT;
	96	buf[len] = '\0';
	97
	98	if (strncmp(buf, "reset", 5) == 0) {
	99	if (local->ops->reset_tsf) {
	100	local->ops->reset_tsf(local_to_hw(local));
	101	printk(KERN_INFO "%s: debugfs reset TSF\n", wiphy_name(local->hw.wiphy));
	102	}
	103	} else {
	104	tsf = simple_strtoul(buf, NULL, 0);
	105	if (local->ops->set_tsf) {
	106	local->ops->set_tsf(local_to_hw(local), tsf);
	107	printk(KERN_INFO "%s: debugfs set TSF to %#018llx\n", wiphy_name(local->hw.wiphy), tsf);
	108	}
	109	}
	110
	111	return count;
	112	}
	113
	114	static const struct file_operations tsf_ops = {
	115	.read = tsf_read,
	116	.write = tsf_write,
	117	.open = mac80211_open_file_generic
	118	};
e9f207f0	119
827b1fb4 JB	120	static ssize_t reset_write(struct file file, const char __user user_buf,
	121	size_t count, loff_t *ppos)
	122	{
	123	struct ieee80211_local *local = file->private_data;
	124
	125	rtnl_lock();
	126	__ieee80211_suspend(&local->hw);
	127	__ieee80211_resume(&local->hw);
	128	rtnl_unlock();
	129
	130	return count;
	131	}
	132
	133	static const struct file_operations reset_ops = {
	134	.write = reset_write,
	135	.open = mac80211_open_file_generic,
	136	};
	137
e9f207f0 JB	138	/* statistics stuff */
e9f207f0 JB	139
e9f207f0 JB	140	#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
	141	DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
	142
	143	static ssize_t format_devstat_counter(struct ieee80211_local *local,
	144	char __user *userbuf,
	145	size_t count, loff_t *ppos,
	146	int (printvalue)(struct ieee80211_low_level_stats stats, char *buf,
	147	int buflen))
	148	{
	149	struct ieee80211_low_level_stats stats;
	150	char buf[20];
	151	int res;
	152
	153	if (!local->ops->get_stats)
	154	return -EOPNOTSUPP;
	155
75636525	156	rtnl_lock();
e9f207f0 JB	157	res = local->ops->get_stats(local_to_hw(local), &stats);
	158	rtnl_unlock();
	159	if (!res)
	160	res = printvalue(&stats, buf, sizeof(buf));
	161	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
	162	}
	163
	164	#define DEBUGFS_DEVSTATS_FILE(name) \
	165	static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
	166	char *buf, int buflen) \
	167	{ \
	168	return scnprintf(buf, buflen, "%u\n", stats->name); \
	169	} \
	170	static ssize_t stats_ ##name## _read(struct file *file, \
	171	char __user *userbuf, \
	172	size_t count, loff_t *ppos) \
	173	{ \
	174	return format_devstat_counter(file->private_data, \
	175	userbuf, \
	176	count, \
	177	ppos, \
	178	print_devstats_##name); \
	179	} \
	180	\
	181	static const struct file_operations stats_ ##name## _ops = { \
	182	.read = stats_ ##name## _read, \
	183	.open = mac80211_open_file_generic, \
	184	};
	185
	186	#define DEBUGFS_STATS_ADD(name) \
bebb8a5e	187	local->debugfs.stats.name = debugfs_create_file(#name, 0400, statsd,\
e9f207f0 JB	188	local, &stats_ ##name## _ops);
	189
	190	#define DEBUGFS_STATS_DEL(name) \
	191	debugfs_remove(local->debugfs.stats.name); \
	192	local->debugfs.stats.name = NULL;
	193
	194	DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
	195	local->dot11TransmittedFragmentCount);
	196	DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
	197	local->dot11MulticastTransmittedFrameCount);
	198	DEBUGFS_STATS_FILE(failed_count, 20, "%u",
	199	local->dot11FailedCount);
	200	DEBUGFS_STATS_FILE(retry_count, 20, "%u",
	201	local->dot11RetryCount);
	202	DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
	203	local->dot11MultipleRetryCount);
	204	DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
	205	local->dot11FrameDuplicateCount);
	206	DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
	207	local->dot11ReceivedFragmentCount);
	208	DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
	209	local->dot11MulticastReceivedFrameCount);
	210	DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
	211	local->dot11TransmittedFrameCount);
e9f207f0 JB	212	#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	213	DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
	214	local->tx_handlers_drop);
	215	DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
	216	local->tx_handlers_queued);
	217	DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
	218	local->tx_handlers_drop_unencrypted);
	219	DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
	220	local->tx_handlers_drop_fragment);
	221	DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
	222	local->tx_handlers_drop_wep);
	223	DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
	224	local->tx_handlers_drop_not_assoc);
	225	DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
	226	local->tx_handlers_drop_unauth_port);
	227	DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
	228	local->rx_handlers_drop);
	229	DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
	230	local->rx_handlers_queued);
	231	DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
	232	local->rx_handlers_drop_nullfunc);
	233	DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
	234	local->rx_handlers_drop_defrag);
	235	DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
	236	local->rx_handlers_drop_short);
	237	DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
	238	local->rx_handlers_drop_passive_scan);
	239	DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
	240	local->tx_expand_skb_head);
	241	DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
	242	local->tx_expand_skb_head_cloned);
	243	DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
	244	local->rx_expand_skb_head);
	245	DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
	246	local->rx_expand_skb_head2);
	247	DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
	248	local->rx_handlers_fragments);
	249	DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
	250	local->tx_status_drop);
	251
e9f207f0 JB	252	#endif
	253
	254	DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
	255	DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
	256	DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
	257	DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
	258
	259
	260	void debugfs_hw_add(struct ieee80211_local *local)
	261	{
	262	struct dentry *phyd = local->hw.wiphy->debugfsdir;
	263	struct dentry *statsd;
	264
	265	if (!phyd)
	266	return;
	267
	268	local->debugfs.stations = debugfs_create_dir("stations", phyd);
	269	local->debugfs.keys = debugfs_create_dir("keys", phyd);
	270
e9f207f0	271	DEBUGFS_ADD(frequency);
e9f207f0 JB	272	DEBUGFS_ADD(rts_threshold);
	273	DEBUGFS_ADD(fragmentation_threshold);
	274	DEBUGFS_ADD(short_retry_limit);
	275	DEBUGFS_ADD(long_retry_limit);
	276	DEBUGFS_ADD(total_ps_buffered);
e9f207f0	277	DEBUGFS_ADD(wep_iv);
ae54c985	278	DEBUGFS_ADD(tsf);
827b1fb4	279	DEBUGFS_ADD_MODE(reset, 0200);
e9f207f0 JB	280
	281	statsd = debugfs_create_dir("statistics", phyd);
	282	local->debugfs.statistics = statsd;
	283
	284	/* if the dir failed, don't put all the other things into the root! */
	285	if (!statsd)
	286	return;
	287
	288	DEBUGFS_STATS_ADD(transmitted_fragment_count);
	289	DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
	290	DEBUGFS_STATS_ADD(failed_count);
	291	DEBUGFS_STATS_ADD(retry_count);
	292	DEBUGFS_STATS_ADD(multiple_retry_count);
	293	DEBUGFS_STATS_ADD(frame_duplicate_count);
	294	DEBUGFS_STATS_ADD(received_fragment_count);
	295	DEBUGFS_STATS_ADD(multicast_received_frame_count);
	296	DEBUGFS_STATS_ADD(transmitted_frame_count);
e9f207f0 JB	297	#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	298	DEBUGFS_STATS_ADD(tx_handlers_drop);
	299	DEBUGFS_STATS_ADD(tx_handlers_queued);
	300	DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
	301	DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
	302	DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
	303	DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
	304	DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
	305	DEBUGFS_STATS_ADD(rx_handlers_drop);
	306	DEBUGFS_STATS_ADD(rx_handlers_queued);
	307	DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
	308	DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
	309	DEBUGFS_STATS_ADD(rx_handlers_drop_short);
	310	DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
	311	DEBUGFS_STATS_ADD(tx_expand_skb_head);
	312	DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
	313	DEBUGFS_STATS_ADD(rx_expand_skb_head);
	314	DEBUGFS_STATS_ADD(rx_expand_skb_head2);
	315	DEBUGFS_STATS_ADD(rx_handlers_fragments);
	316	DEBUGFS_STATS_ADD(tx_status_drop);
e9f207f0 JB	317	#endif
	318	DEBUGFS_STATS_ADD(dot11ACKFailureCount);
	319	DEBUGFS_STATS_ADD(dot11RTSFailureCount);
	320	DEBUGFS_STATS_ADD(dot11FCSErrorCount);
	321	DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
	322	}
	323
	324	void debugfs_hw_del(struct ieee80211_local *local)
	325	{
e9f207f0	326	DEBUGFS_DEL(frequency);
e9f207f0 JB	327	DEBUGFS_DEL(rts_threshold);
	328	DEBUGFS_DEL(fragmentation_threshold);
	329	DEBUGFS_DEL(short_retry_limit);
	330	DEBUGFS_DEL(long_retry_limit);
	331	DEBUGFS_DEL(total_ps_buffered);
e9f207f0	332	DEBUGFS_DEL(wep_iv);
ae54c985	333	DEBUGFS_DEL(tsf);
827b1fb4	334	DEBUGFS_DEL(reset);
e9f207f0 JB	335
	336	DEBUGFS_STATS_DEL(transmitted_fragment_count);
	337	DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
	338	DEBUGFS_STATS_DEL(failed_count);
	339	DEBUGFS_STATS_DEL(retry_count);
	340	DEBUGFS_STATS_DEL(multiple_retry_count);
	341	DEBUGFS_STATS_DEL(frame_duplicate_count);
	342	DEBUGFS_STATS_DEL(received_fragment_count);
	343	DEBUGFS_STATS_DEL(multicast_received_frame_count);
	344	DEBUGFS_STATS_DEL(transmitted_frame_count);
e9f207f0 JB	345	DEBUGFS_STATS_DEL(num_scans);
	346	#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
	347	DEBUGFS_STATS_DEL(tx_handlers_drop);
	348	DEBUGFS_STATS_DEL(tx_handlers_queued);
	349	DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
	350	DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
	351	DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
	352	DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
	353	DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
	354	DEBUGFS_STATS_DEL(rx_handlers_drop);
	355	DEBUGFS_STATS_DEL(rx_handlers_queued);
	356	DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
	357	DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
	358	DEBUGFS_STATS_DEL(rx_handlers_drop_short);
	359	DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
	360	DEBUGFS_STATS_DEL(tx_expand_skb_head);
	361	DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
	362	DEBUGFS_STATS_DEL(rx_expand_skb_head);
	363	DEBUGFS_STATS_DEL(rx_expand_skb_head2);
	364	DEBUGFS_STATS_DEL(rx_handlers_fragments);
	365	DEBUGFS_STATS_DEL(tx_status_drop);
e9f207f0 JB	366	#endif
	367	DEBUGFS_STATS_DEL(dot11ACKFailureCount);
	368	DEBUGFS_STATS_DEL(dot11RTSFailureCount);
	369	DEBUGFS_STATS_DEL(dot11FCSErrorCount);
	370	DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
	371
	372	debugfs_remove(local->debugfs.statistics);
	373	local->debugfs.statistics = NULL;
	374	debugfs_remove(local->debugfs.stations);
	375	local->debugfs.stations = NULL;
	376	debugfs_remove(local->debugfs.keys);
	377	local->debugfs.keys = NULL;
	378	}