[mirror_ubuntu-focal-kernel.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/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 = -ENODEV;

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

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

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

	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(force_unicast_rateidx, force_unicast_rateidx, DEC);
IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);

/* 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, type) \
	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, sta);
	DEBUGFS_ADD(force_unicast_rateidx, sta);
	DEBUGFS_ADD(max_ratectrl_rateidx, sta);

	DEBUGFS_ADD(bssid, sta);
	DEBUGFS_ADD(aid, sta);
	DEBUGFS_ADD_MODE(smps, 0600);
}

static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted, ap);
	DEBUGFS_ADD(force_unicast_rateidx, ap);
	DEBUGFS_ADD(max_ratectrl_rateidx, ap);

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

static void add_wds_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted, wds);
	DEBUGFS_ADD(force_unicast_rateidx, wds);
	DEBUGFS_ADD(max_ratectrl_rateidx, wds);

	DEBUGFS_ADD(peer, wds);
}

static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_ADD(drop_unencrypted, vlan);
	DEBUGFS_ADD(force_unicast_rateidx, vlan);
	DEBUGFS_ADD(max_ratectrl_rateidx, vlan);
}

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>
	16	#include <linux/notifier.h>
	17	#include <net/mac80211.h>
	18	#include <net/cfg80211.h>
	19	#include "ieee80211_i.h"
2c8dccc7	20	#include "rate.h"
e9f207f0 JB	21	#include "debugfs.h"
	22	#include "debugfs_netdev.h"
	23
	24	static ssize_t ieee80211_if_read(
	25	struct ieee80211_sub_if_data *sdata,
	26	char __user *userbuf,
	27	size_t count, loff_t *ppos,
	28	ssize_t (format)(const struct ieee80211_sub_if_data , char *, int))
	29	{
	30	char buf[70];
	31	ssize_t ret = -EINVAL;
	32
	33	read_lock(&dev_base_lock);
73bb3e4a	34	if (sdata->dev->reg_state == NETREG_REGISTERED)
e9f207f0	35	ret = (*format)(sdata, buf, sizeof(buf));
e9f207f0	36	read_unlock(&dev_base_lock);
73bb3e4a LCC	37
	38	if (ret != -EINVAL)
	39	ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	40
e9f207f0 JB	41	return ret;
	42	}
	43
0f78231b JB	44	static ssize_t ieee80211_if_write(
	45	struct ieee80211_sub_if_data *sdata,
	46	const char __user *userbuf,
	47	size_t count, loff_t *ppos,
	48	ssize_t (write)(struct ieee80211_sub_if_data , const char *, int))
	49	{
	50	u8 *buf;
	51	ssize_t ret = -ENODEV;
	52
	53	buf = kzalloc(count, GFP_KERNEL);
	54	if (!buf)
	55	return -ENOMEM;
	56
	57	if (copy_from_user(buf, userbuf, count))
	58	return -EFAULT;
	59
	60	rtnl_lock();
	61	if (sdata->dev->reg_state == NETREG_REGISTERED)
	62	ret = (*write)(sdata, buf, count);
	63	rtnl_unlock();
	64
	65	return ret;
	66	}
	67
e9f207f0 JB	68	#define IEEE80211_IF_FMT(name, field, format_string) \
	69	static ssize_t ieee80211_if_fmt_##name( \
	70	const struct ieee80211_sub_if_data sdata, char buf, \
	71	int buflen) \
	72	{ \
	73	return scnprintf(buf, buflen, format_string, sdata->field); \
	74	}
	75	#define IEEE80211_IF_FMT_DEC(name, field) \
	76	IEEE80211_IF_FMT(name, field, "%d\n")
	77	#define IEEE80211_IF_FMT_HEX(name, field) \
	78	IEEE80211_IF_FMT(name, field, "%#x\n")
	79	#define IEEE80211_IF_FMT_SIZE(name, field) \
	80	IEEE80211_IF_FMT(name, field, "%zd\n")
	81
	82	#define IEEE80211_IF_FMT_ATOMIC(name, field) \
	83	static ssize_t ieee80211_if_fmt_##name( \
	84	const struct ieee80211_sub_if_data *sdata, \
	85	char *buf, int buflen) \
	86	{ \
	87	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
	88	}
	89
	90	#define IEEE80211_IF_FMT_MAC(name, field) \
	91	static ssize_t ieee80211_if_fmt_##name( \
	92	const struct ieee80211_sub_if_data sdata, char buf, \
	93	int buflen) \
	94	{ \
0c68ae26	95	return scnprintf(buf, buflen, "%pM\n", sdata->field); \
e9f207f0 JB	96	}
e9f207f0 JB	97
0f78231b	98	#define __IEEE80211_IF_FILE(name, _write) \
e9f207f0 JB	99	static ssize_t ieee80211_if_read_##name(struct file *file, \
	100	char __user *userbuf, \
	101	size_t count, loff_t *ppos) \
	102	{ \
	103	return ieee80211_if_read(file->private_data, \
	104	userbuf, count, ppos, \
	105	ieee80211_if_fmt_##name); \
	106	} \
	107	static const struct file_operations name##_ops = { \
	108	.read = ieee80211_if_read_##name, \
0f78231b	109	.write = (_write), \
e9f207f0 JB	110	.open = mac80211_open_file_generic, \
	111	}
	112
0f78231b JB	113	#define __IEEE80211_IF_FILE_W(name) \
	114	static ssize_t ieee80211_if_write_##name(struct file *file, \
	115	const char __user *userbuf, \
	116	size_t count, loff_t *ppos) \
	117	{ \
	118	return ieee80211_if_write(file->private_data, userbuf, count, \
	119	ppos, ieee80211_if_parse_##name); \
	120	} \
	121	__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
	122
	123
e9f207f0 JB	124	#define IEEE80211_IF_FILE(name, field, format) \
e9f207f0 JB	125	IEEE80211_IF_FMT_##format(name, field) \
0f78231b	126	__IEEE80211_IF_FILE(name, NULL)
e9f207f0 JB	127
e9f207f0 JB	128	/* common attributes */
e9f207f0	129	IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
3e122be0 JB	130	IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
3e122be0 JB	131	IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
e9f207f0	132
46900298	133	/* STA attributes */
46900298	134	IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298	135	IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
e9f207f0	136
0f78231b JB	137	static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
	138	enum ieee80211_smps_mode smps_mode)
	139	{
	140	struct ieee80211_local *local = sdata->local;
	141	int err;
	142
	143	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
	144	smps_mode == IEEE80211_SMPS_STATIC)
	145	return -EINVAL;
	146
	147	/* auto should be dynamic if in PS mode */
	148	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
	149	(smps_mode == IEEE80211_SMPS_DYNAMIC \|\|
	150	smps_mode == IEEE80211_SMPS_AUTOMATIC))
	151	return -EINVAL;
	152
	153	/* supported only on managed interfaces for now */
	154	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	155	return -EOPNOTSUPP;
	156
	157	mutex_lock(&local->iflist_mtx);
	158	err = __ieee80211_request_smps(sdata, smps_mode);
	159	mutex_unlock(&local->iflist_mtx);
	160
	161	return err;
	162	}
	163
	164	static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
	165	[IEEE80211_SMPS_AUTOMATIC] = "auto",
	166	[IEEE80211_SMPS_OFF] = "off",
	167	[IEEE80211_SMPS_STATIC] = "static",
	168	[IEEE80211_SMPS_DYNAMIC] = "dynamic",
	169	};
	170
	171	static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
	172	char *buf, int buflen)
	173	{
	174	if (sdata->vif.type != NL80211_IFTYPE_STATION)
	175	return -EOPNOTSUPP;
	176
	177	return snprintf(buf, buflen, "request: %s\nused: %s\n",
	178	smps_modes[sdata->u.mgd.req_smps],
	179	smps_modes[sdata->u.mgd.ap_smps]);
	180	}
	181
	182	static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
	183	const char *buf, int buflen)
	184	{
	185	enum ieee80211_smps_mode mode;
	186
	187	for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
	188	if (strncmp(buf, smps_modes[mode], buflen) == 0) {
	189	int err = ieee80211_set_smps(sdata, mode);
	190	if (!err)
	191	return buflen;
	192	return err;
	193	}
	194	}
	195
	196	return -EINVAL;
	197	}
	198
	199	__IEEE80211_IF_FILE_W(smps);
	200
e9f207f0 JB	201	/* AP attributes */
e9f207f0 JB	202	IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
e9f207f0	203	IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
e9f207f0 JB	204
	205	static ssize_t ieee80211_if_fmt_num_buffered_multicast(
	206	const struct ieee80211_sub_if_data sdata, char buf, int buflen)
	207	{
	208	return scnprintf(buf, buflen, "%u\n",
	209	skb_queue_len(&sdata->u.ap.ps_bc_buf));
	210	}
0f78231b	211	__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
e9f207f0	212
e9f207f0 JB	213	/* WDS attributes */
	214	IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
	215
9f42f607 LCC	216	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	217	/* Mesh stats attributes */
c8a61a7d DW	218	IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
c8a61a7d DW	219	IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45 JB	220	IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
472dbc45 JB	221	IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
9f42f607	222	IEEE80211_IF_FILE(dropped_frames_no_route,
472dbc45 JB	223	u.mesh.mshstats.dropped_frames_no_route, DEC);
472dbc45 JB	224	IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
9f42f607 LCC	225
9f42f607 LCC	226	/* Mesh parameters */
36ff382d JB	227	IEEE80211_IF_FILE(dot11MeshMaxRetries,
	228	u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
	229	IEEE80211_IF_FILE(dot11MeshRetryTimeout,
	230	u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
	231	IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
	232	u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
	233	IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
	234	u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
	235	IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
	236	IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
	237	IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
	238	u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
	239	IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
	240	u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
	241	IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
	242	u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
	243	IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
	244	u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
	245	IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
	246	u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
	247	IEEE80211_IF_FILE(path_refresh_time,
	248	u.mesh.mshcfg.path_refresh_time, DEC);
	249	IEEE80211_IF_FILE(min_discovery_timeout,
	250	u.mesh.mshcfg.min_discovery_timeout, DEC);
63c5723b RP	251	IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
63c5723b RP	252	u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
9f42f607 LCC	253	#endif
	254
	255
7bcfaf2f JB	256	#define DEBUGFS_ADD(name, type) \
	257	debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
	258	sdata, &name##_ops);
e9f207f0	259
0f78231b JB	260	#define DEBUGFS_ADD_MODE(name, mode) \
	261	debugfs_create_file(#name, mode, sdata->debugfs.dir, \
	262	sdata, &name##_ops);
	263
e9f207f0 JB	264	static void add_sta_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	265	{
e9f207f0	266	DEBUGFS_ADD(drop_unencrypted, sta);
93015f0f JM	267	DEBUGFS_ADD(force_unicast_rateidx, sta);
93015f0f JM	268	DEBUGFS_ADD(max_ratectrl_rateidx, sta);
3e122be0	269
e9f207f0	270	DEBUGFS_ADD(bssid, sta);
e9f207f0	271	DEBUGFS_ADD(aid, sta);
0f78231b	272	DEBUGFS_ADD_MODE(smps, 0600);
e9f207f0 JB	273	}
	274
	275	static void add_ap_files(struct ieee80211_sub_if_data *sdata)
	276	{
e9f207f0	277	DEBUGFS_ADD(drop_unencrypted, ap);
3e122be0 JB	278	DEBUGFS_ADD(force_unicast_rateidx, ap);
	279	DEBUGFS_ADD(max_ratectrl_rateidx, ap);
	280
e9f207f0	281	DEBUGFS_ADD(num_sta_ps, ap);
e9f207f0	282	DEBUGFS_ADD(dtim_count, ap);
e9f207f0	283	DEBUGFS_ADD(num_buffered_multicast, ap);
e9f207f0 JB	284	}
	285
	286	static void add_wds_files(struct ieee80211_sub_if_data *sdata)
	287	{
e9f207f0	288	DEBUGFS_ADD(drop_unencrypted, wds);
93015f0f JM	289	DEBUGFS_ADD(force_unicast_rateidx, wds);
93015f0f JM	290	DEBUGFS_ADD(max_ratectrl_rateidx, wds);
3e122be0	291
e9f207f0 JB	292	DEBUGFS_ADD(peer, wds);
	293	}
	294
	295	static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
	296	{
e9f207f0	297	DEBUGFS_ADD(drop_unencrypted, vlan);
93015f0f JM	298	DEBUGFS_ADD(force_unicast_rateidx, vlan);
93015f0f JM	299	DEBUGFS_ADD(max_ratectrl_rateidx, vlan);
e9f207f0 JB	300	}
	301
	302	static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
	303	{
e9f207f0 JB	304	}
e9f207f0 JB	305
9f42f607	306	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	307
	308	static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
	309	{
7bcfaf2f JB	310	struct dentry *dir = debugfs_create_dir("mesh_stats",
	311	sdata->debugfs.dir);
	312
	313	#define MESHSTATS_ADD(name)\
	314	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
	315
c8a61a7d DW	316	MESHSTATS_ADD(fwded_mcast);
c8a61a7d DW	317	MESHSTATS_ADD(fwded_unicast);
9f42f607 LCC	318	MESHSTATS_ADD(fwded_frames);
	319	MESHSTATS_ADD(dropped_frames_ttl);
	320	MESHSTATS_ADD(dropped_frames_no_route);
	321	MESHSTATS_ADD(estab_plinks);
7bcfaf2f	322	#undef MESHSTATS_ADD
9f42f607 LCC	323	}
9f42f607 LCC	324
9f42f607 LCC	325	static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
9f42f607 LCC	326	{
7bcfaf2f JB	327	struct dentry *dir = debugfs_create_dir("mesh_config",
	328	sdata->debugfs.dir);
	329
	330	#define MESHPARAMS_ADD(name) \
	331	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
	332
9f42f607 LCC	333	MESHPARAMS_ADD(dot11MeshMaxRetries);
	334	MESHPARAMS_ADD(dot11MeshRetryTimeout);
	335	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
	336	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
	337	MESHPARAMS_ADD(dot11MeshTTL);
	338	MESHPARAMS_ADD(auto_open_plinks);
	339	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
	340	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
	341	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
	342	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
	343	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
	344	MESHPARAMS_ADD(path_refresh_time);
	345	MESHPARAMS_ADD(min_discovery_timeout);
7bcfaf2f JB	346
7bcfaf2f JB	347	#undef MESHPARAMS_ADD
9f42f607 LCC	348	}
	349	#endif
	350
e9f207f0 JB	351	static void add_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	352	{
7bcfaf2f	353	if (!sdata->debugfs.dir)
e9f207f0 JB	354	return;
e9f207f0 JB	355
51fb61e7	356	switch (sdata->vif.type) {
05c914fe	357	case NL80211_IFTYPE_MESH_POINT:
9f42f607 LCC	358	#ifdef CONFIG_MAC80211_MESH
	359	add_mesh_stats(sdata);
	360	add_mesh_config(sdata);
	361	#endif
472dbc45	362	break;
05c914fe	363	case NL80211_IFTYPE_STATION:
e9f207f0 JB	364	add_sta_files(sdata);
e9f207f0 JB	365	break;
46900298 JB	366	case NL80211_IFTYPE_ADHOC:
	367	/* XXX */
	368	break;
05c914fe	369	case NL80211_IFTYPE_AP:
e9f207f0 JB	370	add_ap_files(sdata);
e9f207f0 JB	371	break;
05c914fe	372	case NL80211_IFTYPE_WDS:
e9f207f0 JB	373	add_wds_files(sdata);
e9f207f0 JB	374	break;
05c914fe	375	case NL80211_IFTYPE_MONITOR:
e9f207f0 JB	376	add_monitor_files(sdata);
e9f207f0 JB	377	break;
05c914fe	378	case NL80211_IFTYPE_AP_VLAN:
e9f207f0 JB	379	add_vlan_files(sdata);
	380	break;
	381	default:
	382	break;
	383	}
	384	}
	385
e9f207f0 JB	386	void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
	387	{
	388	char buf[10+IFNAMSIZ];
	389
47846c9b	390	sprintf(buf, "netdev:%s", sdata->name);
7bcfaf2f	391	sdata->debugfs.dir = debugfs_create_dir(buf,
e9f207f0	392	sdata->local->hw.wiphy->debugfsdir);
75636525	393	add_files(sdata);
e9f207f0 JB	394	}
	395
	396	void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
	397	{
7bcfaf2f JB	398	if (!sdata->debugfs.dir)
	399	return;
	400
	401	debugfs_remove_recursive(sdata->debugfs.dir);
	402	sdata->debugfs.dir = NULL;
e9f207f0 JB	403	}
e9f207f0 JB	404
47846c9b	405	void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
e9f207f0	406	{
7c8081eb	407	struct dentry *dir;
47846c9b	408	char buf[10 + IFNAMSIZ];
3e122be0	409
7bcfaf2f	410	dir = sdata->debugfs.dir;
c74e90a9 JB	411
c74e90a9 JB	412	if (!dir)
47846c9b	413	return;
c74e90a9	414
47846c9b	415	sprintf(buf, "netdev:%s", sdata->name);
7c8081eb JB	416	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
	417	printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
	418	"dir to %s\n", buf);
e9f207f0	419	}