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

/*
 * Copyright (c) 2006	Jiri Benc <[email protected]>
 * Copyright 2007	Johannes Berg <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/if.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <linux/slab.h>
#include <linux/notifier.h>
#include <net/mac80211.h>
#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "rate.h"
#include "debugfs.h"
#include "debugfs_netdev.h"

static ssize_t ieee80211_if_read(
	struct ieee80211_sub_if_data *sdata,
	char __user *userbuf,
	size_t count, loff_t *ppos,
	ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
{
	char buf[70];
	ssize_t ret = -EINVAL;

	read_lock(&dev_base_lock);
	if (sdata->dev->reg_state == NETREG_REGISTERED)
		ret = (*format)(sdata, buf, sizeof(buf));
	read_unlock(&dev_base_lock);

	if (ret != -EINVAL)
		ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);

	return ret;
}

static ssize_t ieee80211_if_write(
	struct ieee80211_sub_if_data *sdata,
	const char __user *userbuf,
	size_t count, loff_t *ppos,
	ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
{
	u8 *buf;
	ssize_t ret;

	buf = kmalloc(count, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	ret = -EFAULT;
	if (copy_from_user(buf, userbuf, count))
		goto freebuf;

	ret = -ENODEV;
	rtnl_lock();
	if (sdata->dev->reg_state == NETREG_REGISTERED)
		ret = (*write)(sdata, buf, count);
	rtnl_unlock();

freebuf:
	kfree(buf);
	return ret;
}

#define IEEE80211_IF_FMT(name, field, format_string)			\
static ssize_t ieee80211_if_fmt_##name(					\
	const struct ieee80211_sub_if_data *sdata, char *buf,		\
	int buflen)							\
{									\
	return scnprintf(buf, buflen, format_string, sdata->field);	\
}
#define IEEE80211_IF_FMT_DEC(name, field)				\
		IEEE80211_IF_FMT(name, field, "%d\n")
#define IEEE80211_IF_FMT_HEX(name, field)				\
		IEEE80211_IF_FMT(name, field, "%#x\n")
#define IEEE80211_IF_FMT_SIZE(name, field)				\
		IEEE80211_IF_FMT(name, field, "%zd\n")

#define IEEE80211_IF_FMT_ATOMIC(name, field)				\
static ssize_t ieee80211_if_fmt_##name(					\
	const struct ieee80211_sub_if_data *sdata,			\
	char *buf, int buflen)						\
{									\
	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
}

#define IEEE80211_IF_FMT_MAC(name, field)				\
static ssize_t ieee80211_if_fmt_##name(					\
	const struct ieee80211_sub_if_data *sdata, char *buf,		\
	int buflen)							\
{									\
	return scnprintf(buf, buflen, "%pM\n", sdata->field);		\
}

#define IEEE80211_IF_FMT_DEC_DIV_16(name, field)			\
static ssize_t ieee80211_if_fmt_##name(					\
	const struct ieee80211_sub_if_data *sdata,			\
	char *buf, int buflen)						\
{									\
	return scnprintf(buf, buflen, "%d\n", sdata->field / 16);	\
}

#define __IEEE80211_IF_FILE(name, _write)				\
static ssize_t ieee80211_if_read_##name(struct file *file,		\
					char __user *userbuf,		\
					size_t count, loff_t *ppos)	\
{									\
	return ieee80211_if_read(file->private_data,			\
				 userbuf, count, ppos,			\
				 ieee80211_if_fmt_##name);		\
}									\
static const struct file_operations name##_ops = {			\
	.read = ieee80211_if_read_##name,				\
	.write = (_write),						\
	.open = mac80211_open_file_generic,				\
	.llseek = generic_file_llseek,					\
}

#define __IEEE80211_IF_FILE_W(name)					\
static ssize_t ieee80211_if_write_##name(struct file *file,		\
					 const char __user *userbuf,	\
					 size_t count, loff_t *ppos)	\
{									\
	return ieee80211_if_write(file->private_data, userbuf, count,	\
				  ppos, ieee80211_if_parse_##name);	\
}									\
__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)


#define IEEE80211_IF_FILE(name, field, format)				\
		IEEE80211_IF_FMT_##format(name, field)			\
		__IEEE80211_IF_FILE(name, NULL)

/* common attributes */
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
		  HEX);
IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
		  HEX);

/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);

static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
			      enum ieee80211_smps_mode smps_mode)
{
	struct ieee80211_local *local = sdata->local;
	int err;

	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
	    smps_mode == IEEE80211_SMPS_STATIC)
		return -EINVAL;

	/* auto should be dynamic if in PS mode */
	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
	    (smps_mode == IEEE80211_SMPS_DYNAMIC ||
	     smps_mode == IEEE80211_SMPS_AUTOMATIC))
		return -EINVAL;

	/* supported only on managed interfaces for now */
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
		return -EOPNOTSUPP;

	mutex_lock(&local->iflist_mtx);
	err = __ieee80211_request_smps(sdata, smps_mode);
	mutex_unlock(&local->iflist_mtx);

	return err;
}

static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
	[IEEE80211_SMPS_AUTOMATIC] = "auto",
	[IEEE80211_SMPS_OFF] = "off",
	[IEEE80211_SMPS_STATIC] = "static",
	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
};

static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
				     char *buf, int buflen)
{
	if (sdata->vif.type != NL80211_IFTYPE_STATION)
		return -EOPNOTSUPP;

	return snprintf(buf, buflen, "request: %s\nused: %s\n",
			smps_modes[sdata->u.mgd.req_smps],
			smps_modes[sdata->u.mgd.ap_smps]);
}

static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
				       const char *buf, int buflen)
{
	enum ieee80211_smps_mode mode;

	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
		if (strncmp(buf, smps_modes[mode], buflen) == 0) {
			int err = ieee80211_set_smps(sdata, mode);
			if (!err)
				return buflen;
			return err;
		}
	}

	return -EINVAL;
}

__IEEE80211_IF_FILE_W(smps);

/* AP attributes */
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);

static ssize_t ieee80211_if_fmt_num_buffered_multicast(
	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
{
	return scnprintf(buf, buflen, "%u\n",
			 skb_queue_len(&sdata->u.ap.ps_bc_buf));
}
__IEEE80211_IF_FILE(num_buffered_multicast, NULL);

/* WDS attributes */
IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);

#ifdef CONFIG_MAC80211_MESH
/* Mesh stats attributes */
IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
IEEE80211_IF_FILE(dropped_frames_no_route,
		u.mesh.mshstats.dropped_frames_no_route, DEC);
IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);

/* Mesh parameters */
IEEE80211_IF_FILE(dot11MeshMaxRetries,
		u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
IEEE80211_IF_FILE(dot11MeshRetryTimeout,
		u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
		u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
		u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
		u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
		u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
		u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
		u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
		u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
IEEE80211_IF_FILE(path_refresh_time,
		u.mesh.mshcfg.path_refresh_time, DEC);
IEEE80211_IF_FILE(min_discovery_timeout,
		u.mesh.mshcfg.min_discovery_timeout, DEC);
IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
		u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
#endif


#define DEBUGFS_ADD(name) \
	debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
			    sdata, &name##_ops);

#define DEBUGFS_ADD_MODE(name, mode) \
	debugfs_create_file(#name, mode, sdata->debugfs.dir, \
			    sdata, &name##_ops);

static void add_sta_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted);
	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	DEBUGFS_ADD(rc_rateidx_mask_5ghz);

	DEBUGFS_ADD(bssid);
	DEBUGFS_ADD(aid);
	DEBUGFS_ADD(last_beacon);
	DEBUGFS_ADD(ave_beacon);
	DEBUGFS_ADD_MODE(smps, 0600);
}

static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted);
	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	DEBUGFS_ADD(rc_rateidx_mask_5ghz);

	DEBUGFS_ADD(num_sta_ps);
	DEBUGFS_ADD(dtim_count);
	DEBUGFS_ADD(num_buffered_multicast);
}

static void add_wds_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted);
	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	DEBUGFS_ADD(rc_rateidx_mask_5ghz);

	DEBUGFS_ADD(peer);
}

static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted);
	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
}

static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
{
}

#ifdef CONFIG_MAC80211_MESH

static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
{
	struct dentry *dir = debugfs_create_dir("mesh_stats",
						sdata->debugfs.dir);

#define MESHSTATS_ADD(name)\
	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);

	MESHSTATS_ADD(fwded_mcast);
	MESHSTATS_ADD(fwded_unicast);
	MESHSTATS_ADD(fwded_frames);
	MESHSTATS_ADD(dropped_frames_ttl);
	MESHSTATS_ADD(dropped_frames_no_route);
	MESHSTATS_ADD(estab_plinks);
#undef MESHSTATS_ADD
}

static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
{
	struct dentry *dir = debugfs_create_dir("mesh_config",
						sdata->debugfs.dir);

#define MESHPARAMS_ADD(name) \
	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);

	MESHPARAMS_ADD(dot11MeshMaxRetries);
	MESHPARAMS_ADD(dot11MeshRetryTimeout);
	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
	MESHPARAMS_ADD(dot11MeshTTL);
	MESHPARAMS_ADD(element_ttl);
	MESHPARAMS_ADD(auto_open_plinks);
	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
	MESHPARAMS_ADD(path_refresh_time);
	MESHPARAMS_ADD(min_discovery_timeout);

#undef MESHPARAMS_ADD
}
#endif

static void add_files(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata->debugfs.dir)
		return;

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
#ifdef CONFIG_MAC80211_MESH
		add_mesh_stats(sdata);
		add_mesh_config(sdata);
#endif
		break;
	case NL80211_IFTYPE_STATION:
		add_sta_files(sdata);
		break;
	case NL80211_IFTYPE_ADHOC:
		/* XXX */
		break;
	case NL80211_IFTYPE_AP:
		add_ap_files(sdata);
		break;
	case NL80211_IFTYPE_WDS:
		add_wds_files(sdata);
		break;
	case NL80211_IFTYPE_MONITOR:
		add_monitor_files(sdata);
		break;
	case NL80211_IFTYPE_AP_VLAN:
		add_vlan_files(sdata);
		break;
	default:
		break;
	}
}

void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
{
	char buf[10+IFNAMSIZ];

	sprintf(buf, "netdev:%s", sdata->name);
	sdata->debugfs.dir = debugfs_create_dir(buf,
		sdata->local->hw.wiphy->debugfsdir);
	if (sdata->debugfs.dir)
		sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
			sdata->debugfs.dir);
	add_files(sdata);
}

void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata->debugfs.dir)
		return;

	debugfs_remove_recursive(sdata->debugfs.dir);
	sdata->debugfs.dir = NULL;
}

void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
{
	struct dentry *dir;
	char buf[10 + IFNAMSIZ];

	dir = sdata->debugfs.dir;

	if (!dir)
		return;

	sprintf(buf, "netdev:%s", sdata->name);
	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
		printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
		       "dir to %s\n", buf);
}
Commit	Line	Data
e9f207f0 JB	1	/*
	2	* Copyright (c) 2006 Jiri Benc <[email protected]>
	3	* Copyright 2007 Johannes Berg <[email protected]>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License version 2 as
	7	* published by the Free Software Foundation.
	8	*/
	9
	10	#include <linux/kernel.h>
	11	#include <linux/device.h>
	12	#include <linux/if.h>
	13	#include <linux/interrupt.h>
	14	#include <linux/netdevice.h>
	15	#include <linux/rtnetlink.h>
5a0e3ad6	16	#include <linux/slab.h>
e9f207f0 JB	17	#include <linux/notifier.h>
	18	#include <net/mac80211.h>
	19	#include <net/cfg80211.h>
	20	#include "ieee80211_i.h"
2c8dccc7	21	#include "rate.h"
e9f207f0 JB	22	#include "debugfs.h"
	23	#include "debugfs_netdev.h"
	24
	25	static ssize_t ieee80211_if_read(
	26	struct ieee80211_sub_if_data *sdata,
	27	char __user *userbuf,
	28	size_t count, loff_t *ppos,
	29	ssize_t (format)(const struct ieee80211_sub_if_data , char *, int))
	30	{
	31	char buf[70];
	32	ssize_t ret = -EINVAL;
	33
	34	read_lock(&dev_base_lock);
73bb3e4a	35	if (sdata->dev->reg_state == NETREG_REGISTERED)
e9f207f0	36	ret = (*format)(sdata, buf, sizeof(buf));
e9f207f0	37	read_unlock(&dev_base_lock);
73bb3e4a LCC	38
	39	if (ret != -EINVAL)
	40	ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	41
e9f207f0 JB	42	return ret;
	43	}
	44
0f78231b JB	45	static ssize_t ieee80211_if_write(
	46	struct ieee80211_sub_if_data *sdata,
	47	const char __user *userbuf,
	48	size_t count, loff_t *ppos,
	49	ssize_t (write)(struct ieee80211_sub_if_data , const char *, int))
	50	{
	51	u8 *buf;
51f5f8ca	52	ssize_t ret;
0f78231b	53
51f5f8ca	54	buf = kmalloc(count, GFP_KERNEL);
0f78231b JB	55	if (!buf)
	56	return -ENOMEM;
	57
51f5f8ca	58	ret = -EFAULT;
0f78231b	59	if (copy_from_user(buf, userbuf, count))
51f5f8ca	60	goto freebuf;
0f78231b	61
51f5f8ca	62	ret = -ENODEV;
0f78231b JB	63	rtnl_lock();
	64	if (sdata->dev->reg_state == NETREG_REGISTERED)
	65	ret = (*write)(sdata, buf, count);
	66	rtnl_unlock();
	67
51f5f8ca ED	68	freebuf:
51f5f8ca ED	69	kfree(buf);
0f78231b JB	70	return ret;
	71	}
	72
e9f207f0 JB	73	#define IEEE80211_IF_FMT(name, field, format_string) \
	74	static ssize_t ieee80211_if_fmt_##name( \
	75	const struct ieee80211_sub_if_data sdata, char buf, \
	76	int buflen) \
	77	{ \
	78	return scnprintf(buf, buflen, format_string, sdata->field); \
	79	}
	80	#define IEEE80211_IF_FMT_DEC(name, field) \
	81	IEEE80211_IF_FMT(name, field, "%d\n")
	82	#define IEEE80211_IF_FMT_HEX(name, field) \
	83	IEEE80211_IF_FMT(name, field, "%#x\n")
	84	#define IEEE80211_IF_FMT_SIZE(name, field) \
	85	IEEE80211_IF_FMT(name, field, "%zd\n")
	86
	87	#define IEEE80211_IF_FMT_ATOMIC(name, field) \
	88	static ssize_t ieee80211_if_fmt_##name( \
	89	const struct ieee80211_sub_if_data *sdata, \
	90	char *buf, int buflen) \
	91	{ \
	92	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
	93	}
	94
	95	#define IEEE80211_IF_FMT_MAC(name, field) \
	96	static ssize_t ieee80211_if_fmt_##name( \
	97	const struct ieee80211_sub_if_data sdata, char buf, \
	98	int buflen) \
	99	{ \
0c68ae26	100	return scnprintf(buf, buflen, "%pM\n", sdata->field); \
e9f207f0 JB	101	}
e9f207f0 JB	102
17e4ec14 JM	103	#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
	104	static ssize_t ieee80211_if_fmt_##name( \
	105	const struct ieee80211_sub_if_data *sdata, \
	106	char *buf, int buflen) \
	107	{ \
	108	return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
	109	}
	110
0f78231b	111	#define __IEEE80211_IF_FILE(name, _write) \
e9f207f0 JB	112	static ssize_t ieee80211_if_read_##name(struct file *file, \
	113	char __user *userbuf, \
	114	size_t count, loff_t *ppos) \
	115	{ \
	116	return ieee80211_if_read(file->private_data, \
	117	userbuf, count, ppos, \
	118	ieee80211_if_fmt_##name); \
	119	} \
	120	static const struct file_operations name##_ops = { \
	121	.read = ieee80211_if_read_##name, \
0f78231b	122	.write = (_write), \
e9f207f0	123	.open = mac80211_open_file_generic, \
2b18ab36	124	.llseek = generic_file_llseek, \
e9f207f0 JB	125	}
e9f207f0 JB	126
0f78231b JB	127	#define __IEEE80211_IF_FILE_W(name) \
	128	static ssize_t ieee80211_if_write_##name(struct file *file, \
	129	const char __user *userbuf, \
	130	size_t count, loff_t *ppos) \
	131	{ \
	132	return ieee80211_if_write(file->private_data, userbuf, count, \
	133	ppos, ieee80211_if_parse_##name); \
	134	} \
	135	__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
	136
	137
e9f207f0 JB	138	#define IEEE80211_IF_FILE(name, field, format) \
e9f207f0 JB	139	IEEE80211_IF_FMT_##format(name, field) \
0f78231b	140	__IEEE80211_IF_FILE(name, NULL)
e9f207f0 JB	141
e9f207f0 JB	142	/* common attributes */
e9f207f0	143	IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
37eb0b16 JM	144	IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
	145	HEX);
	146	IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
	147	HEX);
e9f207f0	148
46900298	149	/* STA attributes */
46900298	150	IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298	151	IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
17e4ec14 JM	152	IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
17e4ec14 JM	153	IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
e9f207f0	154
0f78231b JB	155	static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
	156	enum ieee80211_smps_mode smps_mode)
	157	{
	158	struct ieee80211_local *local = sdata->local;
	159	int err;
	160
	161	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
	162	smps_mode == IEEE80211_SMPS_STATIC)
	163	return -EINVAL;
	164
	165	/* auto should be dynamic if in PS mode */
	166	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
	167	(smps_mode == IEEE80211_SMPS_DYNAMIC \|\|
	168	smps_mode == IEEE80211_SMPS_AUTOMATIC))
	169	return -EINVAL;
	170
	171	/* supported only on managed interfaces for now */
	172	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	173	return -EOPNOTSUPP;
	174
	175	mutex_lock(&local->iflist_mtx);
	176	err = __ieee80211_request_smps(sdata, smps_mode);
	177	mutex_unlock(&local->iflist_mtx);
	178
	179	return err;
	180	}
	181
	182	static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
	183	[IEEE80211_SMPS_AUTOMATIC] = "auto",
	184	[IEEE80211_SMPS_OFF] = "off",
	185	[IEEE80211_SMPS_STATIC] = "static",
	186	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
	187	};
	188
	189	static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
	190	char *buf, int buflen)
	191	{
	192	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	193	return -EOPNOTSUPP;
	194
	195	return snprintf(buf, buflen, "request: %s\nused: %s\n",
	196	smps_modes[sdata->u.mgd.req_smps],
	197	smps_modes[sdata->u.mgd.ap_smps]);
	198	}
	199
	200	static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
	201	const char *buf, int buflen)
	202	{
	203	enum ieee80211_smps_mode mode;
	204
	205	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
	206	if (strncmp(buf, smps_modes[mode], buflen) == 0) {
	207	int err = ieee80211_set_smps(sdata, mode);
	208	if (!err)
	209	return buflen;
	210	return err;
	211	}
	212	}
	213
	214	return -EINVAL;
	215	}
	216
	217	__IEEE80211_IF_FILE_W(smps);
	218
e9f207f0 JB	219	/* AP attributes */
e9f207f0 JB	220	IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
e9f207f0	221	IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
e9f207f0 JB	222
	223	static ssize_t ieee80211_if_fmt_num_buffered_multicast(
	224	const struct ieee80211_sub_if_data sdata, char buf, int buflen)
	225	{
	226	return scnprintf(buf, buflen, "%u\n",
	227	skb_queue_len(&sdata->u.ap.ps_bc_buf));
	228	}
0f78231b	229	__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
e9f207f0	230
e9f207f0 JB	231	/* WDS attributes */
	232	IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
	233
9f42f607 LCC	234	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	235	/* Mesh stats attributes */
c8a61a7d DW	236	IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
c8a61a7d DW	237	IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45 JB	238	IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
472dbc45 JB	239	IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
9f42f607	240	IEEE80211_IF_FILE(dropped_frames_no_route,
472dbc45 JB	241	u.mesh.mshstats.dropped_frames_no_route, DEC);
472dbc45 JB	242	IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
9f42f607 LCC	243
9f42f607 LCC	244	/* Mesh parameters */
36ff382d JB	245	IEEE80211_IF_FILE(dot11MeshMaxRetries,
	246	u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
	247	IEEE80211_IF_FILE(dot11MeshRetryTimeout,
	248	u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
	249	IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
	250	u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
	251	IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
	252	u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
	253	IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
45904f21	254	IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
36ff382d JB	255	IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
	256	IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
	257	u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
	258	IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
	259	u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
	260	IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
	261	u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
	262	IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
	263	u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
	264	IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
	265	u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
	266	IEEE80211_IF_FILE(path_refresh_time,
	267	u.mesh.mshcfg.path_refresh_time, DEC);
	268	IEEE80211_IF_FILE(min_discovery_timeout,
	269	u.mesh.mshcfg.min_discovery_timeout, DEC);
63c5723b RP	270	IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
63c5723b RP	271	u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
9f42f607 LCC	272	#endif
	273
	274
2d46d7c1	275	#define DEBUGFS_ADD(name) \
7bcfaf2f JB	276	debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
7bcfaf2f JB	277	sdata, &name##_ops);
e9f207f0	278
0f78231b JB	279	#define DEBUGFS_ADD_MODE(name, mode) \
	280	debugfs_create_file(#name, mode, sdata->debugfs.dir, \
	281	sdata, &name##_ops);
	282
e9f207f0 JB	283	static void add_sta_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	284	{
2d46d7c1 JB	285	DEBUGFS_ADD(drop_unencrypted);
	286	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	287	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	288
2d46d7c1 JB	289	DEBUGFS_ADD(bssid);
2d46d7c1 JB	290	DEBUGFS_ADD(aid);
17e4ec14 JM	291	DEBUGFS_ADD(last_beacon);
17e4ec14 JM	292	DEBUGFS_ADD(ave_beacon);
0f78231b	293	DEBUGFS_ADD_MODE(smps, 0600);
e9f207f0 JB	294	}
	295
	296	static void add_ap_files(struct ieee80211_sub_if_data *sdata)
	297	{
2d46d7c1 JB	298	DEBUGFS_ADD(drop_unencrypted);
	299	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	300	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	301
2d46d7c1 JB	302	DEBUGFS_ADD(num_sta_ps);
	303	DEBUGFS_ADD(dtim_count);
	304	DEBUGFS_ADD(num_buffered_multicast);
e9f207f0 JB	305	}
	306
	307	static void add_wds_files(struct ieee80211_sub_if_data *sdata)
	308	{
2d46d7c1 JB	309	DEBUGFS_ADD(drop_unencrypted);
	310	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	311	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	312
2d46d7c1	313	DEBUGFS_ADD(peer);
e9f207f0 JB	314	}
	315
	316	static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
	317	{
2d46d7c1 JB	318	DEBUGFS_ADD(drop_unencrypted);
	319	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	320	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
e9f207f0 JB	321	}
	322
	323	static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
	324	{
e9f207f0 JB	325	}
e9f207f0 JB	326
9f42f607	327	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	328
	329	static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
	330	{
7bcfaf2f JB	331	struct dentry *dir = debugfs_create_dir("mesh_stats",
	332	sdata->debugfs.dir);
	333
	334	#define MESHSTATS_ADD(name)\
	335	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
	336
c8a61a7d DW	337	MESHSTATS_ADD(fwded_mcast);
c8a61a7d DW	338	MESHSTATS_ADD(fwded_unicast);
9f42f607 LCC	339	MESHSTATS_ADD(fwded_frames);
	340	MESHSTATS_ADD(dropped_frames_ttl);
	341	MESHSTATS_ADD(dropped_frames_no_route);
	342	MESHSTATS_ADD(estab_plinks);
7bcfaf2f	343	#undef MESHSTATS_ADD
9f42f607 LCC	344	}
9f42f607 LCC	345
9f42f607 LCC	346	static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
9f42f607 LCC	347	{
7bcfaf2f JB	348	struct dentry *dir = debugfs_create_dir("mesh_config",
	349	sdata->debugfs.dir);
	350
	351	#define MESHPARAMS_ADD(name) \
	352	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
	353
9f42f607 LCC	354	MESHPARAMS_ADD(dot11MeshMaxRetries);
	355	MESHPARAMS_ADD(dot11MeshRetryTimeout);
	356	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
	357	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
	358	MESHPARAMS_ADD(dot11MeshTTL);
45904f21	359	MESHPARAMS_ADD(element_ttl);
9f42f607 LCC	360	MESHPARAMS_ADD(auto_open_plinks);
	361	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
	362	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
	363	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
	364	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
	365	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
	366	MESHPARAMS_ADD(path_refresh_time);
	367	MESHPARAMS_ADD(min_discovery_timeout);
7bcfaf2f JB	368
7bcfaf2f JB	369	#undef MESHPARAMS_ADD
9f42f607 LCC	370	}
	371	#endif
	372
e9f207f0 JB	373	static void add_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	374	{
7bcfaf2f	375	if (!sdata->debugfs.dir)
e9f207f0 JB	376	return;
e9f207f0 JB	377
51fb61e7	378	switch (sdata->vif.type) {
05c914fe	379	case NL80211_IFTYPE_MESH_POINT:
9f42f607 LCC	380	#ifdef CONFIG_MAC80211_MESH
	381	add_mesh_stats(sdata);
	382	add_mesh_config(sdata);
	383	#endif
472dbc45	384	break;
05c914fe	385	case NL80211_IFTYPE_STATION:
e9f207f0 JB	386	add_sta_files(sdata);
e9f207f0 JB	387	break;
46900298 JB	388	case NL80211_IFTYPE_ADHOC:
	389	/* XXX */
	390	break;
05c914fe	391	case NL80211_IFTYPE_AP:
e9f207f0 JB	392	add_ap_files(sdata);
e9f207f0 JB	393	break;
05c914fe	394	case NL80211_IFTYPE_WDS:
e9f207f0 JB	395	add_wds_files(sdata);
e9f207f0 JB	396	break;
05c914fe	397	case NL80211_IFTYPE_MONITOR:
e9f207f0 JB	398	add_monitor_files(sdata);
e9f207f0 JB	399	break;
05c914fe	400	case NL80211_IFTYPE_AP_VLAN:
e9f207f0 JB	401	add_vlan_files(sdata);
	402	break;
	403	default:
	404	break;
	405	}
	406	}
	407
e9f207f0 JB	408	void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
	409	{
	410	char buf[10+IFNAMSIZ];
	411
47846c9b	412	sprintf(buf, "netdev:%s", sdata->name);
7bcfaf2f	413	sdata->debugfs.dir = debugfs_create_dir(buf,
e9f207f0	414	sdata->local->hw.wiphy->debugfsdir);
295bafb4 BG	415	if (sdata->debugfs.dir)
	416	sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
	417	sdata->debugfs.dir);
75636525	418	add_files(sdata);
e9f207f0 JB	419	}
	420
	421	void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
	422	{
7bcfaf2f JB	423	if (!sdata->debugfs.dir)
	424	return;
	425
	426	debugfs_remove_recursive(sdata->debugfs.dir);
	427	sdata->debugfs.dir = NULL;
e9f207f0 JB	428	}
e9f207f0 JB	429
47846c9b	430	void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
e9f207f0	431	{
7c8081eb	432	struct dentry *dir;
47846c9b	433	char buf[10 + IFNAMSIZ];
3e122be0	434
7bcfaf2f	435	dir = sdata->debugfs.dir;
c74e90a9 JB	436
c74e90a9 JB	437	if (!dir)
47846c9b	438	return;
c74e90a9	439
47846c9b	440	sprintf(buf, "netdev:%s", sdata->name);
7c8081eb JB	441	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
	442	printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
	443	"dir to %s\n", buf);
e9f207f0	444	}