[net-next-2.6.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;
}

#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)					\
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,				\
	.open = mac80211_open_file_generic,				\
}

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

/* 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);
IEEE80211_IF_FILE(capab, u.mgd.capab, HEX);

/* 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);

/* 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);
#endif


#define DEBUGFS_ADD(name, type)\
	sdata->debugfs.type.name = debugfs_create_file(#name, 0400,\
		sdata->debugfsdir, 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(capab, sta);
}

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
#define MESHSTATS_ADD(name)\
	sdata->mesh_stats.name = debugfs_create_file(#name, 0400,\
		sdata->mesh_stats_dir, sdata, &name##_ops);

static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
{
	sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats",
				sdata->debugfsdir);
	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);
}

#define MESHPARAMS_ADD(name)\
	sdata->mesh_config.name = debugfs_create_file(#name, 0600,\
		sdata->mesh_config_dir, sdata, &name##_ops);

static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
{
	sdata->mesh_config_dir = debugfs_create_dir("mesh_config",
				sdata->debugfsdir);
	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);
}
#endif

static void add_files(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata->debugfsdir)
		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;
	}
}

#define DEBUGFS_DEL(name, type)					\
	do {							\
		debugfs_remove(sdata->debugfs.type.name);	\
		sdata->debugfs.type.name = NULL;		\
	} while (0)

static void del_sta_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_DEL(drop_unencrypted, sta);
	DEBUGFS_DEL(force_unicast_rateidx, sta);
	DEBUGFS_DEL(max_ratectrl_rateidx, sta);

	DEBUGFS_DEL(bssid, sta);
	DEBUGFS_DEL(aid, sta);
	DEBUGFS_DEL(capab, sta);
}

static void del_ap_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_DEL(drop_unencrypted, ap);
	DEBUGFS_DEL(force_unicast_rateidx, ap);
	DEBUGFS_DEL(max_ratectrl_rateidx, ap);

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

static void del_wds_files(struct ieee80211_sub_if_data *sdata)
{
	DEBUGFS_DEL(drop_unencrypted, wds);
	DEBUGFS_DEL(force_unicast_rateidx, wds);
	DEBUGFS_DEL(max_ratectrl_rateidx, wds);

	DEBUGFS_DEL(peer, wds);
}

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

static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
{
}

#ifdef CONFIG_MAC80211_MESH
#define MESHSTATS_DEL(name)			\
	do {						\
		debugfs_remove(sdata->mesh_stats.name);	\
		sdata->mesh_stats.name = NULL;		\
	} while (0)

static void del_mesh_stats(struct ieee80211_sub_if_data *sdata)
{
	MESHSTATS_DEL(fwded_mcast);
	MESHSTATS_DEL(fwded_unicast);
	MESHSTATS_DEL(fwded_frames);
	MESHSTATS_DEL(dropped_frames_ttl);
	MESHSTATS_DEL(dropped_frames_no_route);
	MESHSTATS_DEL(estab_plinks);
	debugfs_remove(sdata->mesh_stats_dir);
	sdata->mesh_stats_dir = NULL;
}

#define MESHPARAMS_DEL(name)			\
	do {						\
		debugfs_remove(sdata->mesh_config.name);	\
		sdata->mesh_config.name = NULL;		\
	} while (0)

static void del_mesh_config(struct ieee80211_sub_if_data *sdata)
{
	MESHPARAMS_DEL(dot11MeshMaxRetries);
	MESHPARAMS_DEL(dot11MeshRetryTimeout);
	MESHPARAMS_DEL(dot11MeshConfirmTimeout);
	MESHPARAMS_DEL(dot11MeshHoldingTimeout);
	MESHPARAMS_DEL(dot11MeshTTL);
	MESHPARAMS_DEL(auto_open_plinks);
	MESHPARAMS_DEL(dot11MeshMaxPeerLinks);
	MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout);
	MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval);
	MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime);
	MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries);
	MESHPARAMS_DEL(path_refresh_time);
	MESHPARAMS_DEL(min_discovery_timeout);
	debugfs_remove(sdata->mesh_config_dir);
	sdata->mesh_config_dir = NULL;
}
#endif

static void del_files(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata->debugfsdir)
		return;

	switch (sdata->vif.type) {
	case NL80211_IFTYPE_MESH_POINT:
#ifdef CONFIG_MAC80211_MESH
		del_mesh_stats(sdata);
		del_mesh_config(sdata);
#endif
		break;
	case NL80211_IFTYPE_STATION:
		del_sta_files(sdata);
		break;
	case NL80211_IFTYPE_ADHOC:
		/* XXX */
		break;
	case NL80211_IFTYPE_AP:
		del_ap_files(sdata);
		break;
	case NL80211_IFTYPE_WDS:
		del_wds_files(sdata);
		break;
	case NL80211_IFTYPE_MONITOR:
		del_monitor_files(sdata);
		break;
	case NL80211_IFTYPE_AP_VLAN:
		del_vlan_files(sdata);
		break;
	default:
		break;
	}
}

static int notif_registered;

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

	if (!notif_registered)
		return;

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

void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
{
	del_files(sdata);
	debugfs_remove(sdata->debugfsdir);
	sdata->debugfsdir = NULL;
}

static int netdev_notify(struct notifier_block *nb,
			 unsigned long state,
			 void *ndev)
{
	struct net_device *dev = ndev;
	struct dentry *dir;
	struct ieee80211_sub_if_data *sdata;
	char buf[10+IFNAMSIZ];

	if (state != NETDEV_CHANGENAME)
		return 0;

	if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
		return 0;

	if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
		return 0;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	dir = sdata->debugfsdir;

	if (!dir)
		return 0;

	sprintf(buf, "netdev:%s", dev->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);

	return 0;
}

static struct notifier_block mac80211_debugfs_netdev_notifier = {
	.notifier_call = netdev_notify,
};

void ieee80211_debugfs_netdev_init(void)
{
	int err;

	err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
	if (err) {
		printk(KERN_ERR
		       "mac80211: failed to install netdev notifier,"
		       " disabling per-netdev debugfs!\n");
	} else
		notif_registered = 1;
}

void ieee80211_debugfs_netdev_exit(void)
{
	unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
	notif_registered = 0;
}
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
	44	#define IEEE80211_IF_FMT(name, field, format_string) \
	45	static ssize_t ieee80211_if_fmt_##name( \
	46	const struct ieee80211_sub_if_data sdata, char buf, \
	47	int buflen) \
	48	{ \
	49	return scnprintf(buf, buflen, format_string, sdata->field); \
	50	}
	51	#define IEEE80211_IF_FMT_DEC(name, field) \
	52	IEEE80211_IF_FMT(name, field, "%d\n")
	53	#define IEEE80211_IF_FMT_HEX(name, field) \
	54	IEEE80211_IF_FMT(name, field, "%#x\n")
	55	#define IEEE80211_IF_FMT_SIZE(name, field) \
	56	IEEE80211_IF_FMT(name, field, "%zd\n")
	57
	58	#define IEEE80211_IF_FMT_ATOMIC(name, field) \
	59	static ssize_t ieee80211_if_fmt_##name( \
	60	const struct ieee80211_sub_if_data *sdata, \
	61	char *buf, int buflen) \
	62	{ \
	63	return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
	64	}
	65
	66	#define IEEE80211_IF_FMT_MAC(name, field) \
	67	static ssize_t ieee80211_if_fmt_##name( \
	68	const struct ieee80211_sub_if_data sdata, char buf, \
	69	int buflen) \
	70	{ \
0c68ae26	71	return scnprintf(buf, buflen, "%pM\n", sdata->field); \
e9f207f0 JB	72	}
	73
	74	#define __IEEE80211_IF_FILE(name) \
	75	static ssize_t ieee80211_if_read_##name(struct file *file, \
	76	char __user *userbuf, \
	77	size_t count, loff_t *ppos) \
	78	{ \
	79	return ieee80211_if_read(file->private_data, \
	80	userbuf, count, ppos, \
	81	ieee80211_if_fmt_##name); \
	82	} \
	83	static const struct file_operations name##_ops = { \
	84	.read = ieee80211_if_read_##name, \
	85	.open = mac80211_open_file_generic, \
	86	}
	87
	88	#define IEEE80211_IF_FILE(name, field, format) \
	89	IEEE80211_IF_FMT_##format(name, field) \
	90	__IEEE80211_IF_FILE(name)
	91
	92	/* common attributes */
e9f207f0	93	IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
3e122be0 JB	94	IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
3e122be0 JB	95	IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
e9f207f0	96
46900298	97	/* STA attributes */
46900298	98	IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298	99	IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
46900298	100	IEEE80211_IF_FILE(capab, u.mgd.capab, HEX);
e9f207f0 JB	101
	102	/* AP attributes */
	103	IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
e9f207f0	104	IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
e9f207f0 JB	105
	106	static ssize_t ieee80211_if_fmt_num_buffered_multicast(
	107	const struct ieee80211_sub_if_data sdata, char buf, int buflen)
	108	{
	109	return scnprintf(buf, buflen, "%u\n",
	110	skb_queue_len(&sdata->u.ap.ps_bc_buf));
	111	}
	112	__IEEE80211_IF_FILE(num_buffered_multicast);
	113
e9f207f0 JB	114	/* WDS attributes */
	115	IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
	116
9f42f607 LCC	117	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	118	/* Mesh stats attributes */
c8a61a7d DW	119	IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
c8a61a7d DW	120	IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45 JB	121	IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
472dbc45 JB	122	IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
9f42f607	123	IEEE80211_IF_FILE(dropped_frames_no_route,
472dbc45 JB	124	u.mesh.mshstats.dropped_frames_no_route, DEC);
472dbc45 JB	125	IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
9f42f607 LCC	126
9f42f607 LCC	127	/* Mesh parameters */
36ff382d JB	128	IEEE80211_IF_FILE(dot11MeshMaxRetries,
	129	u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
	130	IEEE80211_IF_FILE(dot11MeshRetryTimeout,
	131	u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
	132	IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
	133	u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
	134	IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
	135	u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
	136	IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
	137	IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
	138	IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
	139	u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
	140	IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
	141	u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
	142	IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
	143	u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
	144	IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
	145	u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
	146	IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
	147	u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
	148	IEEE80211_IF_FILE(path_refresh_time,
	149	u.mesh.mshcfg.path_refresh_time, DEC);
	150	IEEE80211_IF_FILE(min_discovery_timeout,
	151	u.mesh.mshcfg.min_discovery_timeout, DEC);
9f42f607 LCC	152	#endif
	153
	154
e9f207f0	155	#define DEBUGFS_ADD(name, type)\
bebb8a5e	156	sdata->debugfs.type.name = debugfs_create_file(#name, 0400,\
e9f207f0 JB	157	sdata->debugfsdir, sdata, &name##_ops);
	158
	159	static void add_sta_files(struct ieee80211_sub_if_data *sdata)
	160	{
e9f207f0	161	DEBUGFS_ADD(drop_unencrypted, sta);
93015f0f JM	162	DEBUGFS_ADD(force_unicast_rateidx, sta);
93015f0f JM	163	DEBUGFS_ADD(max_ratectrl_rateidx, sta);
3e122be0	164
e9f207f0	165	DEBUGFS_ADD(bssid, sta);
e9f207f0	166	DEBUGFS_ADD(aid, sta);
e9f207f0	167	DEBUGFS_ADD(capab, sta);
e9f207f0 JB	168	}
	169
	170	static void add_ap_files(struct ieee80211_sub_if_data *sdata)
	171	{
e9f207f0	172	DEBUGFS_ADD(drop_unencrypted, ap);
3e122be0 JB	173	DEBUGFS_ADD(force_unicast_rateidx, ap);
	174	DEBUGFS_ADD(max_ratectrl_rateidx, ap);
	175
e9f207f0	176	DEBUGFS_ADD(num_sta_ps, ap);
e9f207f0	177	DEBUGFS_ADD(dtim_count, ap);
e9f207f0	178	DEBUGFS_ADD(num_buffered_multicast, ap);
e9f207f0 JB	179	}
	180
	181	static void add_wds_files(struct ieee80211_sub_if_data *sdata)
	182	{
e9f207f0	183	DEBUGFS_ADD(drop_unencrypted, wds);
93015f0f JM	184	DEBUGFS_ADD(force_unicast_rateidx, wds);
93015f0f JM	185	DEBUGFS_ADD(max_ratectrl_rateidx, wds);
3e122be0	186
e9f207f0 JB	187	DEBUGFS_ADD(peer, wds);
	188	}
	189
	190	static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
	191	{
e9f207f0	192	DEBUGFS_ADD(drop_unencrypted, vlan);
93015f0f JM	193	DEBUGFS_ADD(force_unicast_rateidx, vlan);
93015f0f JM	194	DEBUGFS_ADD(max_ratectrl_rateidx, vlan);
e9f207f0 JB	195	}
	196
	197	static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
	198	{
e9f207f0 JB	199	}
e9f207f0 JB	200
9f42f607 LCC	201	#ifdef CONFIG_MAC80211_MESH
9f42f607 LCC	202	#define MESHSTATS_ADD(name)\
bebb8a5e	203	sdata->mesh_stats.name = debugfs_create_file(#name, 0400,\
9f42f607 LCC	204	sdata->mesh_stats_dir, sdata, &name##_ops);
	205
	206	static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
	207	{
	208	sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats",
	209	sdata->debugfsdir);
c8a61a7d DW	210	MESHSTATS_ADD(fwded_mcast);
c8a61a7d DW	211	MESHSTATS_ADD(fwded_unicast);
9f42f607 LCC	212	MESHSTATS_ADD(fwded_frames);
	213	MESHSTATS_ADD(dropped_frames_ttl);
	214	MESHSTATS_ADD(dropped_frames_no_route);
	215	MESHSTATS_ADD(estab_plinks);
	216	}
	217
	218	#define MESHPARAMS_ADD(name)\
bebb8a5e	219	sdata->mesh_config.name = debugfs_create_file(#name, 0600,\
9f42f607 LCC	220	sdata->mesh_config_dir, sdata, &name##_ops);
	221
	222	static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
	223	{
	224	sdata->mesh_config_dir = debugfs_create_dir("mesh_config",
	225	sdata->debugfsdir);
	226	MESHPARAMS_ADD(dot11MeshMaxRetries);
	227	MESHPARAMS_ADD(dot11MeshRetryTimeout);
	228	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
	229	MESHPARAMS_ADD(dot11MeshHoldingTimeout);
	230	MESHPARAMS_ADD(dot11MeshTTL);
	231	MESHPARAMS_ADD(auto_open_plinks);
	232	MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
	233	MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
	234	MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
	235	MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
	236	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
	237	MESHPARAMS_ADD(path_refresh_time);
	238	MESHPARAMS_ADD(min_discovery_timeout);
	239	}
	240	#endif
	241
e9f207f0 JB	242	static void add_files(struct ieee80211_sub_if_data *sdata)
	243	{
	244	if (!sdata->debugfsdir)
	245	return;
	246
51fb61e7	247	switch (sdata->vif.type) {
05c914fe	248	case NL80211_IFTYPE_MESH_POINT:
9f42f607 LCC	249	#ifdef CONFIG_MAC80211_MESH
	250	add_mesh_stats(sdata);
	251	add_mesh_config(sdata);
	252	#endif
472dbc45	253	break;
05c914fe	254	case NL80211_IFTYPE_STATION:
e9f207f0 JB	255	add_sta_files(sdata);
e9f207f0 JB	256	break;
46900298 JB	257	case NL80211_IFTYPE_ADHOC:
	258	/* XXX */
	259	break;
05c914fe	260	case NL80211_IFTYPE_AP:
e9f207f0 JB	261	add_ap_files(sdata);
e9f207f0 JB	262	break;
05c914fe	263	case NL80211_IFTYPE_WDS:
e9f207f0 JB	264	add_wds_files(sdata);
e9f207f0 JB	265	break;
05c914fe	266	case NL80211_IFTYPE_MONITOR:
e9f207f0 JB	267	add_monitor_files(sdata);
e9f207f0 JB	268	break;
05c914fe	269	case NL80211_IFTYPE_AP_VLAN:
e9f207f0 JB	270	add_vlan_files(sdata);
	271	break;
	272	default:
	273	break;
	274	}
	275	}
	276
21887b2f ZY	277	#define DEBUGFS_DEL(name, type) \
	278	do { \
	279	debugfs_remove(sdata->debugfs.type.name); \
	280	sdata->debugfs.type.name = NULL; \
	281	} while (0)
e9f207f0 JB	282
	283	static void del_sta_files(struct ieee80211_sub_if_data *sdata)
	284	{
e9f207f0	285	DEBUGFS_DEL(drop_unencrypted, sta);
93015f0f JM	286	DEBUGFS_DEL(force_unicast_rateidx, sta);
93015f0f JM	287	DEBUGFS_DEL(max_ratectrl_rateidx, sta);
3e122be0	288
e9f207f0	289	DEBUGFS_DEL(bssid, sta);
e9f207f0	290	DEBUGFS_DEL(aid, sta);
e9f207f0	291	DEBUGFS_DEL(capab, sta);
e9f207f0 JB	292	}
	293
	294	static void del_ap_files(struct ieee80211_sub_if_data *sdata)
	295	{
e9f207f0	296	DEBUGFS_DEL(drop_unencrypted, ap);
3e122be0 JB	297	DEBUGFS_DEL(force_unicast_rateidx, ap);
	298	DEBUGFS_DEL(max_ratectrl_rateidx, ap);
	299
e9f207f0	300	DEBUGFS_DEL(num_sta_ps, ap);
e9f207f0	301	DEBUGFS_DEL(dtim_count, ap);
e9f207f0	302	DEBUGFS_DEL(num_buffered_multicast, ap);
e9f207f0 JB	303	}
	304
	305	static void del_wds_files(struct ieee80211_sub_if_data *sdata)
	306	{
e9f207f0	307	DEBUGFS_DEL(drop_unencrypted, wds);
93015f0f JM	308	DEBUGFS_DEL(force_unicast_rateidx, wds);
93015f0f JM	309	DEBUGFS_DEL(max_ratectrl_rateidx, wds);
3e122be0	310
e9f207f0 JB	311	DEBUGFS_DEL(peer, wds);
	312	}
	313
	314	static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
	315	{
e9f207f0	316	DEBUGFS_DEL(drop_unencrypted, vlan);
93015f0f JM	317	DEBUGFS_DEL(force_unicast_rateidx, vlan);
93015f0f JM	318	DEBUGFS_DEL(max_ratectrl_rateidx, vlan);
e9f207f0 JB	319	}
	320
	321	static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
	322	{
e9f207f0 JB	323	}
e9f207f0 JB	324
9f42f607 LCC	325	#ifdef CONFIG_MAC80211_MESH
	326	#define MESHSTATS_DEL(name) \
	327	do { \
	328	debugfs_remove(sdata->mesh_stats.name); \
	329	sdata->mesh_stats.name = NULL; \
	330	} while (0)
	331
	332	static void del_mesh_stats(struct ieee80211_sub_if_data *sdata)
	333	{
c8a61a7d DW	334	MESHSTATS_DEL(fwded_mcast);
c8a61a7d DW	335	MESHSTATS_DEL(fwded_unicast);
9f42f607 LCC	336	MESHSTATS_DEL(fwded_frames);
	337	MESHSTATS_DEL(dropped_frames_ttl);
	338	MESHSTATS_DEL(dropped_frames_no_route);
	339	MESHSTATS_DEL(estab_plinks);
	340	debugfs_remove(sdata->mesh_stats_dir);
	341	sdata->mesh_stats_dir = NULL;
	342	}
	343
	344	#define MESHPARAMS_DEL(name) \
	345	do { \
	346	debugfs_remove(sdata->mesh_config.name); \
	347	sdata->mesh_config.name = NULL; \
	348	} while (0)
	349
	350	static void del_mesh_config(struct ieee80211_sub_if_data *sdata)
	351	{
	352	MESHPARAMS_DEL(dot11MeshMaxRetries);
	353	MESHPARAMS_DEL(dot11MeshRetryTimeout);
	354	MESHPARAMS_DEL(dot11MeshConfirmTimeout);
	355	MESHPARAMS_DEL(dot11MeshHoldingTimeout);
	356	MESHPARAMS_DEL(dot11MeshTTL);
	357	MESHPARAMS_DEL(auto_open_plinks);
	358	MESHPARAMS_DEL(dot11MeshMaxPeerLinks);
	359	MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout);
	360	MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval);
	361	MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime);
	362	MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries);
	363	MESHPARAMS_DEL(path_refresh_time);
	364	MESHPARAMS_DEL(min_discovery_timeout);
	365	debugfs_remove(sdata->mesh_config_dir);
	366	sdata->mesh_config_dir = NULL;
	367	}
	368	#endif
	369
75636525	370	static void del_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	371	{
	372	if (!sdata->debugfsdir)
	373	return;
	374
75636525	375	switch (sdata->vif.type) {
05c914fe	376	case NL80211_IFTYPE_MESH_POINT:
9f42f607 LCC	377	#ifdef CONFIG_MAC80211_MESH
	378	del_mesh_stats(sdata);
	379	del_mesh_config(sdata);
	380	#endif
472dbc45	381	break;
05c914fe	382	case NL80211_IFTYPE_STATION:
e9f207f0 JB	383	del_sta_files(sdata);
e9f207f0 JB	384	break;
46900298 JB	385	case NL80211_IFTYPE_ADHOC:
	386	/* XXX */
	387	break;
05c914fe	388	case NL80211_IFTYPE_AP:
e9f207f0 JB	389	del_ap_files(sdata);
e9f207f0 JB	390	break;
05c914fe	391	case NL80211_IFTYPE_WDS:
e9f207f0 JB	392	del_wds_files(sdata);
e9f207f0 JB	393	break;
05c914fe	394	case NL80211_IFTYPE_MONITOR:
e9f207f0 JB	395	del_monitor_files(sdata);
e9f207f0 JB	396	break;
05c914fe	397	case NL80211_IFTYPE_AP_VLAN:
e9f207f0 JB	398	del_vlan_files(sdata);
	399	break;
	400	default:
	401	break;
	402	}
	403	}
	404
	405	static int notif_registered;
	406
	407	void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
	408	{
	409	char buf[10+IFNAMSIZ];
	410
	411	if (!notif_registered)
	412	return;
	413
	414	sprintf(buf, "netdev:%s", sdata->dev->name);
	415	sdata->debugfsdir = debugfs_create_dir(buf,
	416	sdata->local->hw.wiphy->debugfsdir);
75636525	417	add_files(sdata);
e9f207f0 JB	418	}
	419
	420	void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
	421	{
75636525	422	del_files(sdata);
e9f207f0 JB	423	debugfs_remove(sdata->debugfsdir);
	424	sdata->debugfsdir = NULL;
	425	}
	426
988c0f72	427	static int netdev_notify(struct notifier_block *nb,
e9f207f0 JB	428	unsigned long state,
	429	void *ndev)
	430	{
	431	struct net_device *dev = ndev;
7c8081eb	432	struct dentry *dir;
3e122be0	433	struct ieee80211_sub_if_data *sdata;
e9f207f0 JB	434	char buf[10+IFNAMSIZ];
	435
	436	if (state != NETDEV_CHANGENAME)
	437	return 0;
	438
	439	if (!dev->ieee80211_ptr \|\| !dev->ieee80211_ptr->wiphy)
	440	return 0;
	441
	442	if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
	443	return 0;
	444
3e122be0 JB	445	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3e122be0 JB	446
7c8081eb	447	dir = sdata->debugfsdir;
c74e90a9 JB	448
	449	if (!dir)
	450	return 0;
	451
	452	sprintf(buf, "netdev:%s", dev->name);
7c8081eb JB	453	if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
	454	printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
	455	"dir to %s\n", buf);
e9f207f0 JB	456
	457	return 0;
	458	}
	459
	460	static struct notifier_block mac80211_debugfs_netdev_notifier = {
	461	.notifier_call = netdev_notify,
	462	};
	463
	464	void ieee80211_debugfs_netdev_init(void)
	465	{
	466	int err;
	467
	468	err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
	469	if (err) {
	470	printk(KERN_ERR
	471	"mac80211: failed to install netdev notifier,"
	472	" disabling per-netdev debugfs!\n");
	473	} else
	474	notif_registered = 1;
	475	}
	476
	477	void ieee80211_debugfs_netdev_exit(void)
	478	{
	479	unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
	480	notif_registered = 0;
	481	}