[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / debugfs_netdev.c

/*
 * Copyright (c) 2006	Jiri Benc <jbenc@suse.cz>
 * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
 *
 * 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_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,				\
}

#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);

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(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_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(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);
	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 <jbenc@suse.cz>
	3	* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
	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
0f78231b	103	#define __IEEE80211_IF_FILE(name, _write) \
e9f207f0 JB	104	static ssize_t ieee80211_if_read_##name(struct file *file, \
	105	char __user *userbuf, \
	106	size_t count, loff_t *ppos) \
	107	{ \
	108	return ieee80211_if_read(file->private_data, \
	109	userbuf, count, ppos, \
	110	ieee80211_if_fmt_##name); \
	111	} \
	112	static const struct file_operations name##_ops = { \
	113	.read = ieee80211_if_read_##name, \
0f78231b	114	.write = (_write), \
e9f207f0 JB	115	.open = mac80211_open_file_generic, \
	116	}
	117
0f78231b JB	118	#define __IEEE80211_IF_FILE_W(name) \
	119	static ssize_t ieee80211_if_write_##name(struct file *file, \
	120	const char __user *userbuf, \
	121	size_t count, loff_t *ppos) \
	122	{ \
	123	return ieee80211_if_write(file->private_data, userbuf, count, \
	124	ppos, ieee80211_if_parse_##name); \
	125	} \
	126	__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
	127
	128
e9f207f0 JB	129	#define IEEE80211_IF_FILE(name, field, format) \
e9f207f0 JB	130	IEEE80211_IF_FMT_##format(name, field) \
0f78231b	131	__IEEE80211_IF_FILE(name, NULL)
e9f207f0 JB	132
e9f207f0 JB	133	/* common attributes */
e9f207f0	134	IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
37eb0b16 JM	135	IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
	136	HEX);
	137	IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
	138	HEX);
e9f207f0	139
46900298	140	/* STA attributes */
46900298	141	IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298	142	IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
e9f207f0	143
0f78231b JB	144	static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
	145	enum ieee80211_smps_mode smps_mode)
	146	{
	147	struct ieee80211_local *local = sdata->local;
	148	int err;
	149
	150	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
	151	smps_mode == IEEE80211_SMPS_STATIC)
	152	return -EINVAL;
	153
	154	/* auto should be dynamic if in PS mode */
	155	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
	156	(smps_mode == IEEE80211_SMPS_DYNAMIC \|\|
	157	smps_mode == IEEE80211_SMPS_AUTOMATIC))
	158	return -EINVAL;
	159
	160	/* supported only on managed interfaces for now */
	161	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	162	return -EOPNOTSUPP;
	163
	164	mutex_lock(&local->iflist_mtx);
	165	err = __ieee80211_request_smps(sdata, smps_mode);
	166	mutex_unlock(&local->iflist_mtx);
	167
	168	return err;
	169	}
	170
	171	static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
	172	[IEEE80211_SMPS_AUTOMATIC] = "auto",
	173	[IEEE80211_SMPS_OFF] = "off",
	174	[IEEE80211_SMPS_STATIC] = "static",
	175	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
	176	};
	177
	178	static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
	179	char *buf, int buflen)
	180	{
	181	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	182	return -EOPNOTSUPP;
	183
	184	return snprintf(buf, buflen, "request: %s\nused: %s\n",
	185	smps_modes[sdata->u.mgd.req_smps],
	186	smps_modes[sdata->u.mgd.ap_smps]);
	187	}
	188
	189	static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
	190	const char *buf, int buflen)
	191	{
	192	enum ieee80211_smps_mode mode;
	193
	194	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
	195	if (strncmp(buf, smps_modes[mode], buflen) == 0) {
	196	int err = ieee80211_set_smps(sdata, mode);
	197	if (!err)
	198	return buflen;
	199	return err;
	200	}
	201	}
	202
	203	return -EINVAL;
	204	}
	205
	206	__IEEE80211_IF_FILE_W(smps);
	207
e9f207f0 JB	208	/* AP attributes */
e9f207f0 JB	209	IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
e9f207f0	210	IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
e9f207f0 JB	211
	212	static ssize_t ieee80211_if_fmt_num_buffered_multicast(
	213	const struct ieee80211_sub_if_data sdata, char buf, int buflen)
	214	{
	215	return scnprintf(buf, buflen, "%u\n",
	216	skb_queue_len(&sdata->u.ap.ps_bc_buf));
	217	}
0f78231b	218	__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
e9f207f0	219
e9f207f0 JB	220	/* WDS attributes */
	221	IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
	222
9f42f607 LCC	223	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	224	/* Mesh stats attributes */
c8a61a7d DW	225	IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
c8a61a7d DW	226	IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45 JB	227	IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
472dbc45 JB	228	IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
9f42f607	229	IEEE80211_IF_FILE(dropped_frames_no_route,
472dbc45 JB	230	u.mesh.mshstats.dropped_frames_no_route, DEC);
472dbc45 JB	231	IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
9f42f607 LCC	232
9f42f607 LCC	233	/* Mesh parameters */
36ff382d JB	234	IEEE80211_IF_FILE(dot11MeshMaxRetries,
	235	u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
	236	IEEE80211_IF_FILE(dot11MeshRetryTimeout,
	237	u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
	238	IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
	239	u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
	240	IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
	241	u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
	242	IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
	243	IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
	244	IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
	245	u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
	246	IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
	247	u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
	248	IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
	249	u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
	250	IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
	251	u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
	252	IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
	253	u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
	254	IEEE80211_IF_FILE(path_refresh_time,
	255	u.mesh.mshcfg.path_refresh_time, DEC);
	256	IEEE80211_IF_FILE(min_discovery_timeout,
	257	u.mesh.mshcfg.min_discovery_timeout, DEC);
63c5723b RP	258	IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
63c5723b RP	259	u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
9f42f607 LCC	260	#endif
	261
	262
2d46d7c1	263	#define DEBUGFS_ADD(name) \
7bcfaf2f JB	264	debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
7bcfaf2f JB	265	sdata, &name##_ops);
e9f207f0	266
0f78231b JB	267	#define DEBUGFS_ADD_MODE(name, mode) \
	268	debugfs_create_file(#name, mode, sdata->debugfs.dir, \
	269	sdata, &name##_ops);
	270
e9f207f0 JB	271	static void add_sta_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	272	{
2d46d7c1 JB	273	DEBUGFS_ADD(drop_unencrypted);
	274	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	275	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	276
2d46d7c1 JB	277	DEBUGFS_ADD(bssid);
2d46d7c1 JB	278	DEBUGFS_ADD(aid);
0f78231b	279	DEBUGFS_ADD_MODE(smps, 0600);
e9f207f0 JB	280	}
	281
	282	static void add_ap_files(struct ieee80211_sub_if_data *sdata)
	283	{
2d46d7c1 JB	284	DEBUGFS_ADD(drop_unencrypted);
	285	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	286	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	287
2d46d7c1 JB	288	DEBUGFS_ADD(num_sta_ps);
	289	DEBUGFS_ADD(dtim_count);
	290	DEBUGFS_ADD(num_buffered_multicast);
e9f207f0 JB	291	}
	292
	293	static void add_wds_files(struct ieee80211_sub_if_data *sdata)
	294	{
2d46d7c1 JB	295	DEBUGFS_ADD(drop_unencrypted);
	296	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	297	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
3e122be0	298
2d46d7c1	299	DEBUGFS_ADD(peer);
e9f207f0 JB	300	}
	301
	302	static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
	303	{
2d46d7c1 JB	304	DEBUGFS_ADD(drop_unencrypted);
	305	DEBUGFS_ADD(rc_rateidx_mask_2ghz);
	306	DEBUGFS_ADD(rc_rateidx_mask_5ghz);
e9f207f0 JB	307	}
	308
	309	static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
	310	{
e9f207f0 JB	311	}
e9f207f0 JB	312
9f42f607	313	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	314
	315	static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
	316	{
7bcfaf2f JB	317	struct dentry *dir = debugfs_create_dir("mesh_stats",
	318	sdata->debugfs.dir);
	319
	320	#define MESHSTATS_ADD(name)\
	321	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
	322
c8a61a7d DW	323	MESHSTATS_ADD(fwded_mcast);
c8a61a7d DW	324	MESHSTATS_ADD(fwded_unicast);
9f42f607 LCC	325	MESHSTATS_ADD(fwded_frames);
	326	MESHSTATS_ADD(dropped_frames_ttl);
	327	MESHSTATS_ADD(dropped_frames_no_route);
	328	MESHSTATS_ADD(estab_plinks);
7bcfaf2f	329	#undef MESHSTATS_ADD
9f42f607 LCC	330	}
9f42f607 LCC	331
9f42f607 LCC	332	static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
9f42f607 LCC	333	{
7bcfaf2f JB	334	struct dentry *dir = debugfs_create_dir("mesh_config",
	335	sdata->debugfs.dir);
	336
	337	#define MESHPARAMS_ADD(name) \
	338	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
	339
9f42f607 LCC	340	MESHPARAMS_ADD(dot11MeshMaxRetries);
	341	MESHPARAMS_ADD(dot11MeshRetryTimeout);
	342	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
	343	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
	344	MESHPARAMS_ADD(dot11MeshTTL);
	345	MESHPARAMS_ADD(auto_open_plinks);
	346	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
	347	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
	348	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
	349	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
	350	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
	351	MESHPARAMS_ADD(path_refresh_time);
	352	MESHPARAMS_ADD(min_discovery_timeout);
7bcfaf2f JB	353
7bcfaf2f JB	354	#undef MESHPARAMS_ADD
9f42f607 LCC	355	}
	356	#endif
	357
e9f207f0 JB	358	static void add_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	359	{
7bcfaf2f	360	if (!sdata->debugfs.dir)
e9f207f0 JB	361	return;
e9f207f0 JB	362
51fb61e7	363	switch (sdata->vif.type) {
05c914fe	364	case NL80211_IFTYPE_MESH_POINT:
9f42f607 LCC	365	#ifdef CONFIG_MAC80211_MESH
	366	add_mesh_stats(sdata);
	367	add_mesh_config(sdata);
	368	#endif
472dbc45	369	break;
05c914fe	370	case NL80211_IFTYPE_STATION:
e9f207f0 JB	371	add_sta_files(sdata);
e9f207f0 JB	372	break;
46900298 JB	373	case NL80211_IFTYPE_ADHOC:
	374	/* XXX */
	375	break;
05c914fe	376	case NL80211_IFTYPE_AP:
e9f207f0 JB	377	add_ap_files(sdata);
e9f207f0 JB	378	break;
05c914fe	379	case NL80211_IFTYPE_WDS:
e9f207f0 JB	380	add_wds_files(sdata);
e9f207f0 JB	381	break;
05c914fe	382	case NL80211_IFTYPE_MONITOR:
e9f207f0 JB	383	add_monitor_files(sdata);
e9f207f0 JB	384	break;
05c914fe	385	case NL80211_IFTYPE_AP_VLAN:
e9f207f0 JB	386	add_vlan_files(sdata);
	387	break;
	388	default:
	389	break;
	390	}
	391	}
	392
e9f207f0 JB	393	void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
	394	{
	395	char buf[10+IFNAMSIZ];
	396
47846c9b	397	sprintf(buf, "netdev:%s", sdata->name);
7bcfaf2f	398	sdata->debugfs.dir = debugfs_create_dir(buf,
e9f207f0	399	sdata->local->hw.wiphy->debugfsdir);
75636525	400	add_files(sdata);
e9f207f0 JB	401	}
	402
	403	void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
	404	{
7bcfaf2f JB	405	if (!sdata->debugfs.dir)
	406	return;
	407
	408	debugfs_remove_recursive(sdata->debugfs.dir);
	409	sdata->debugfs.dir = NULL;
e9f207f0 JB	410	}
e9f207f0 JB	411
47846c9b	412	void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
e9f207f0	413	{
7c8081eb	414	struct dentry *dir;
47846c9b	415	char buf[10 + IFNAMSIZ];
3e122be0	416
7bcfaf2f	417	dir = sdata->debugfs.dir;
c74e90a9 JB	418
c74e90a9 JB	419	if (!dir)
47846c9b	420	return;
c74e90a9	421
47846c9b	422	sprintf(buf, "netdev:%s", sdata->name);
7c8081eb JB	423	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
	424	printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
	425	"dir to %s\n", buf);
e9f207f0	426	}