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

/*
 * Copyright 2003-2005	Devicescape Software, Inc.
 * 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/kobject.h>
#include <linux/slab.h>
#include "ieee80211_i.h"
#include "key.h"
#include "debugfs.h"
#include "debugfs_key.h"

#define KEY_READ(name, prop, format_string)				\
static ssize_t key_##name##_read(struct file *file,			\
				 char __user *userbuf,			\
				 size_t count, loff_t *ppos)		\
{									\
	struct ieee80211_key *key = file->private_data;			\
	return mac80211_format_buffer(userbuf, count, ppos, 		\
				      format_string, key->prop);	\
}
#define KEY_READ_D(name) KEY_READ(name, name, "%d\n")
#define KEY_READ_X(name) KEY_READ(name, name, "0x%x\n")

#define KEY_OPS(name)							\
static const struct file_operations key_ ##name## _ops = {		\
	.read = key_##name##_read,					\
	.open = mac80211_open_file_generic,				\
	.llseek = generic_file_llseek,					\
}

#define KEY_FILE(name, format)						\
		 KEY_READ_##format(name)				\
		 KEY_OPS(name)

#define KEY_CONF_READ(name, format_string)				\
	KEY_READ(conf_##name, conf.name, format_string)
#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, "%d\n")

#define KEY_CONF_OPS(name)						\
static const struct file_operations key_ ##name## _ops = {		\
	.read = key_conf_##name##_read,					\
	.open = mac80211_open_file_generic,				\
	.llseek = generic_file_llseek,					\
}

#define KEY_CONF_FILE(name, format)					\
		 KEY_CONF_READ_##format(name)				\
		 KEY_CONF_OPS(name)

KEY_CONF_FILE(keylen, D);
KEY_CONF_FILE(keyidx, D);
KEY_CONF_FILE(hw_key_idx, D);
KEY_FILE(flags, X);
KEY_FILE(tx_rx_count, D);
KEY_READ(ifindex, sdata->name, "%s\n");
KEY_OPS(ifindex);

static ssize_t key_algorithm_read(struct file *file,
				  char __user *userbuf,
				  size_t count, loff_t *ppos)
{
	char buf[15];
	struct ieee80211_key *key = file->private_data;
	u32 c = key->conf.cipher;

	sprintf(buf, "%.2x-%.2x-%.2x:%d\n",
		c >> 24, (c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff);
	return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
}
KEY_OPS(algorithm);

static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
				size_t count, loff_t *ppos)
{
	const u8 *tpn;
	u64 pn;
	char buf[20];
	int len;
	struct ieee80211_key *key = file->private_data;

	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
		len = scnprintf(buf, sizeof(buf), "\n");
		break;
	case WLAN_CIPHER_SUITE_TKIP:
		len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
				key->u.tkip.tx.iv32,
				key->u.tkip.tx.iv16);
		break;
	case WLAN_CIPHER_SUITE_CCMP:
		pn = atomic64_read(&key->u.ccmp.tx_pn);
		len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
				(u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
				(u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
		break;
	case WLAN_CIPHER_SUITE_AES_CMAC:
		tpn = key->u.aes_cmac.tx_pn;
		len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
				tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
				tpn[5]);
		break;
	default:
		return 0;
	}
	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
KEY_OPS(tx_spec);

static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
				size_t count, loff_t *ppos)
{
	struct ieee80211_key *key = file->private_data;
	char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
	int i, len;
	const u8 *rpn;

	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
		len = scnprintf(buf, sizeof(buf), "\n");
		break;
	case WLAN_CIPHER_SUITE_TKIP:
		for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
			p += scnprintf(p, sizeof(buf)+buf-p,
				       "%08x %04x\n",
				       key->u.tkip.rx[i].iv32,
				       key->u.tkip.rx[i].iv16);
		len = p - buf;
		break;
	case WLAN_CIPHER_SUITE_CCMP:
		for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
			rpn = key->u.ccmp.rx_pn[i];
			p += scnprintf(p, sizeof(buf)+buf-p,
				       "%02x%02x%02x%02x%02x%02x\n",
				       rpn[0], rpn[1], rpn[2],
				       rpn[3], rpn[4], rpn[5]);
		}
		len = p - buf;
		break;
	case WLAN_CIPHER_SUITE_AES_CMAC:
		rpn = key->u.aes_cmac.rx_pn;
		p += scnprintf(p, sizeof(buf)+buf-p,
			       "%02x%02x%02x%02x%02x%02x\n",
			       rpn[0], rpn[1], rpn[2],
			       rpn[3], rpn[4], rpn[5]);
		len = p - buf;
		break;
	default:
		return 0;
	}
	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
KEY_OPS(rx_spec);

static ssize_t key_replays_read(struct file *file, char __user *userbuf,
				size_t count, loff_t *ppos)
{
	struct ieee80211_key *key = file->private_data;
	char buf[20];
	int len;

	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_CCMP:
		len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
		break;
	case WLAN_CIPHER_SUITE_AES_CMAC:
		len = scnprintf(buf, sizeof(buf), "%u\n",
				key->u.aes_cmac.replays);
		break;
	default:
		return 0;
	}
	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
KEY_OPS(replays);

static ssize_t key_icverrors_read(struct file *file, char __user *userbuf,
				  size_t count, loff_t *ppos)
{
	struct ieee80211_key *key = file->private_data;
	char buf[20];
	int len;

	switch (key->conf.cipher) {
	case WLAN_CIPHER_SUITE_AES_CMAC:
		len = scnprintf(buf, sizeof(buf), "%u\n",
				key->u.aes_cmac.icverrors);
		break;
	default:
		return 0;
	}
	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}
KEY_OPS(icverrors);

static ssize_t key_key_read(struct file *file, char __user *userbuf,
			    size_t count, loff_t *ppos)
{
	struct ieee80211_key *key = file->private_data;
	int i, bufsize = 2 * key->conf.keylen + 2;
	char *buf = kmalloc(bufsize, GFP_KERNEL);
	char *p = buf;
	ssize_t res;

	if (!buf)
		return -ENOMEM;

	for (i = 0; i < key->conf.keylen; i++)
		p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]);
	p += scnprintf(p, bufsize+buf-p, "\n");
	res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
	kfree(buf);
	return res;
}
KEY_OPS(key);

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

void ieee80211_debugfs_key_add(struct ieee80211_key *key)
  {
	static int keycount;
	char buf[50];
	struct sta_info *sta;

	if (!key->local->debugfs.keys)
		return;

	sprintf(buf, "%d", keycount);
	key->debugfs.cnt = keycount;
	keycount++;
	key->debugfs.dir = debugfs_create_dir(buf,
					key->local->debugfs.keys);

	if (!key->debugfs.dir)
		return;

	sta = key->sta;
	if (sta) {
		sprintf(buf, "../../stations/%pM", sta->sta.addr);
		key->debugfs.stalink =
			debugfs_create_symlink("station", key->debugfs.dir, buf);
	}

	DEBUGFS_ADD(keylen);
	DEBUGFS_ADD(flags);
	DEBUGFS_ADD(keyidx);
	DEBUGFS_ADD(hw_key_idx);
	DEBUGFS_ADD(tx_rx_count);
	DEBUGFS_ADD(algorithm);
	DEBUGFS_ADD(tx_spec);
	DEBUGFS_ADD(rx_spec);
	DEBUGFS_ADD(replays);
	DEBUGFS_ADD(icverrors);
	DEBUGFS_ADD(key);
	DEBUGFS_ADD(ifindex);
};

void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
{
	if (!key)
		return;

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

void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
{
	char buf[50];
	struct ieee80211_key *key;

	if (!sdata->debugfs.dir)
		return;

	lockdep_assert_held(&sdata->local->key_mtx);

	if (sdata->default_unicast_key) {
		key = key_mtx_dereference(sdata->local,
					  sdata->default_unicast_key);
		sprintf(buf, "../keys/%d", key->debugfs.cnt);
		sdata->debugfs.default_unicast_key =
			debugfs_create_symlink("default_unicast_key",
					       sdata->debugfs.dir, buf);
	} else {
		debugfs_remove(sdata->debugfs.default_unicast_key);
		sdata->debugfs.default_unicast_key = NULL;
	}

	if (sdata->default_multicast_key) {
		key = key_mtx_dereference(sdata->local,
					  sdata->default_multicast_key);
		sprintf(buf, "../keys/%d", key->debugfs.cnt);
		sdata->debugfs.default_multicast_key =
			debugfs_create_symlink("default_multicast_key",
					       sdata->debugfs.dir, buf);
	} else {
		debugfs_remove(sdata->debugfs.default_multicast_key);
		sdata->debugfs.default_multicast_key = NULL;
	}
}

void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
{
	char buf[50];
	struct ieee80211_key *key;

	if (!sdata->debugfs.dir)
		return;

	key = key_mtx_dereference(sdata->local,
				  sdata->default_mgmt_key);
	if (key) {
		sprintf(buf, "../keys/%d", key->debugfs.cnt);
		sdata->debugfs.default_mgmt_key =
			debugfs_create_symlink("default_mgmt_key",
					       sdata->debugfs.dir, buf);
	} else
		ieee80211_debugfs_key_remove_mgmt_default(sdata);
}

void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata)
		return;

	debugfs_remove(sdata->debugfs.default_mgmt_key);
	sdata->debugfs.default_mgmt_key = NULL;
}

void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
				   struct sta_info *sta)
{
	debugfs_remove(key->debugfs.stalink);
	key->debugfs.stalink = NULL;
}
Commit	Line	Data
e9f207f0 JB	1	/*
	2	* Copyright 2003-2005 Devicescape Software, Inc.
	3	* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
	4	* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
	11	#include <linux/kobject.h>
5a0e3ad6	12	#include <linux/slab.h>
e9f207f0	13	#include "ieee80211_i.h"
2c8dccc7	14	#include "key.h"
e9f207f0 JB	15	#include "debugfs.h"
	16	#include "debugfs_key.h"
	17
07caf9d6	18	#define KEY_READ(name, prop, format_string) \
e9f207f0 JB	19	static ssize_t key_##name##_read(struct file *file, \
	20	char __user *userbuf, \
	21	size_t count, loff_t *ppos) \
	22	{ \
e9f207f0	23	struct ieee80211_key *key = file->private_data; \
07caf9d6 EP	24	return mac80211_format_buffer(userbuf, count, ppos, \
07caf9d6 EP	25	format_string, key->prop); \
e9f207f0	26	}
07caf9d6 EP	27	#define KEY_READ_D(name) KEY_READ(name, name, "%d\n")
07caf9d6 EP	28	#define KEY_READ_X(name) KEY_READ(name, name, "0x%x\n")
e9f207f0 JB	29
	30	#define KEY_OPS(name) \
	31	static const struct file_operations key_ ##name## _ops = { \
	32	.read = key_##name##_read, \
	33	.open = mac80211_open_file_generic, \
2b18ab36	34	.llseek = generic_file_llseek, \
e9f207f0 JB	35	}
	36
	37	#define KEY_FILE(name, format) \
	38	KEY_READ_##format(name) \
	39	KEY_OPS(name)
	40
07caf9d6 EP	41	#define KEY_CONF_READ(name, format_string) \
	42	KEY_READ(conf_##name, conf.name, format_string)
	43	#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, "%d\n")
8f20fc24 JB	44
	45	#define KEY_CONF_OPS(name) \
	46	static const struct file_operations key_ ##name## _ops = { \
	47	.read = key_conf_##name##_read, \
	48	.open = mac80211_open_file_generic, \
2b18ab36	49	.llseek = generic_file_llseek, \
8f20fc24 JB	50	}
	51
	52	#define KEY_CONF_FILE(name, format) \
	53	KEY_CONF_READ_##format(name) \
	54	KEY_CONF_OPS(name)
	55
	56	KEY_CONF_FILE(keylen, D);
	57	KEY_CONF_FILE(keyidx, D);
	58	KEY_CONF_FILE(hw_key_idx, D);
11a843b7	59	KEY_FILE(flags, X);
e9f207f0	60	KEY_FILE(tx_rx_count, D);
07caf9d6	61	KEY_READ(ifindex, sdata->name, "%s\n");
e7a64f12	62	KEY_OPS(ifindex);
e9f207f0 JB	63
	64	static ssize_t key_algorithm_read(struct file *file,
	65	char __user *userbuf,
	66	size_t count, loff_t *ppos)
	67	{
97359d12	68	char buf[15];
e9f207f0	69	struct ieee80211_key *key = file->private_data;
97359d12	70	u32 c = key->conf.cipher;
e9f207f0	71
97359d12 JB	72	sprintf(buf, "%.2x-%.2x-%.2x:%d\n",
	73	c >> 24, (c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff);
	74	return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
e9f207f0 JB	75	}
	76	KEY_OPS(algorithm);
	77
	78	static ssize_t key_tx_spec_read(struct file file, char __user userbuf,
	79	size_t count, loff_t *ppos)
	80	{
	81	const u8 *tpn;
aba83a0b	82	u64 pn;
e9f207f0 JB	83	char buf[20];
	84	int len;
	85	struct ieee80211_key *key = file->private_data;
	86
97359d12 JB	87	switch (key->conf.cipher) {
	88	case WLAN_CIPHER_SUITE_WEP40:
	89	case WLAN_CIPHER_SUITE_WEP104:
e9f207f0	90	len = scnprintf(buf, sizeof(buf), "\n");
50339a67	91	break;
97359d12	92	case WLAN_CIPHER_SUITE_TKIP:
e9f207f0	93	len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
b0f76b33 HH	94	key->u.tkip.tx.iv32,
b0f76b33 HH	95	key->u.tkip.tx.iv16);
50339a67	96	break;
97359d12	97	case WLAN_CIPHER_SUITE_CCMP:
aba83a0b	98	pn = atomic64_read(&key->u.ccmp.tx_pn);
e9f207f0	99	len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
aba83a0b JB	100	(u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
aba83a0b JB	101	(u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
50339a67	102	break;
97359d12	103	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	104	tpn = key->u.aes_cmac.tx_pn;
	105	len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
	106	tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
	107	tpn[5]);
	108	break;
e9f207f0 JB	109	default:
	110	return 0;
	111	}
	112	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	113	}
	114	KEY_OPS(tx_spec);
	115
	116	static ssize_t key_rx_spec_read(struct file file, char __user userbuf,
	117	size_t count, loff_t *ppos)
	118	{
	119	struct ieee80211_key *key = file->private_data;
	120	char buf[14NUM_RX_DATA_QUEUES+1], p = buf;
	121	int i, len;
	122	const u8 *rpn;
	123
97359d12 JB	124	switch (key->conf.cipher) {
	125	case WLAN_CIPHER_SUITE_WEP40:
	126	case WLAN_CIPHER_SUITE_WEP104:
e9f207f0	127	len = scnprintf(buf, sizeof(buf), "\n");
50339a67	128	break;
97359d12	129	case WLAN_CIPHER_SUITE_TKIP:
e9f207f0 JB	130	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
	131	p += scnprintf(p, sizeof(buf)+buf-p,
	132	"%08x %04x\n",
b0f76b33 HH	133	key->u.tkip.rx[i].iv32,
b0f76b33 HH	134	key->u.tkip.rx[i].iv16);
e9f207f0	135	len = p - buf;
50339a67	136	break;
97359d12	137	case WLAN_CIPHER_SUITE_CCMP:
9190252c	138	for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
e9f207f0 JB	139	rpn = key->u.ccmp.rx_pn[i];
	140	p += scnprintf(p, sizeof(buf)+buf-p,
	141	"%02x%02x%02x%02x%02x%02x\n",
	142	rpn[0], rpn[1], rpn[2],
	143	rpn[3], rpn[4], rpn[5]);
	144	}
	145	len = p - buf;
50339a67	146	break;
97359d12	147	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	148	rpn = key->u.aes_cmac.rx_pn;
	149	p += scnprintf(p, sizeof(buf)+buf-p,
	150	"%02x%02x%02x%02x%02x%02x\n",
	151	rpn[0], rpn[1], rpn[2],
	152	rpn[3], rpn[4], rpn[5]);
	153	len = p - buf;
	154	break;
e9f207f0 JB	155	default:
	156	return 0;
	157	}
	158	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	159	}
	160	KEY_OPS(rx_spec);
	161
	162	static ssize_t key_replays_read(struct file file, char __user userbuf,
	163	size_t count, loff_t *ppos)
	164	{
	165	struct ieee80211_key *key = file->private_data;
	166	char buf[20];
	167	int len;
	168
97359d12 JB	169	switch (key->conf.cipher) {
97359d12 JB	170	case WLAN_CIPHER_SUITE_CCMP:
3cfcf6ac JM	171	len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
3cfcf6ac JM	172	break;
97359d12	173	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	174	len = scnprintf(buf, sizeof(buf), "%u\n",
	175	key->u.aes_cmac.replays);
	176	break;
	177	default:
e9f207f0	178	return 0;
3cfcf6ac	179	}
e9f207f0 JB	180	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	181	}
	182	KEY_OPS(replays);
	183
3cfcf6ac JM	184	static ssize_t key_icverrors_read(struct file file, char __user userbuf,
	185	size_t count, loff_t *ppos)
	186	{
	187	struct ieee80211_key *key = file->private_data;
	188	char buf[20];
	189	int len;
	190
97359d12 JB	191	switch (key->conf.cipher) {
97359d12 JB	192	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	193	len = scnprintf(buf, sizeof(buf), "%u\n",
	194	key->u.aes_cmac.icverrors);
	195	break;
	196	default:
	197	return 0;
	198	}
	199	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	200	}
	201	KEY_OPS(icverrors);
	202
e9f207f0 JB	203	static ssize_t key_key_read(struct file file, char __user userbuf,
	204	size_t count, loff_t *ppos)
	205	{
	206	struct ieee80211_key *key = file->private_data;
520efd1a	207	int i, bufsize = 2 * key->conf.keylen + 2;
e9f207f0 JB	208	char *buf = kmalloc(bufsize, GFP_KERNEL);
e9f207f0 JB	209	char *p = buf;
520efd1a JJ	210	ssize_t res;
	211
	212	if (!buf)
	213	return -ENOMEM;
e9f207f0	214
8f20fc24 JB	215	for (i = 0; i < key->conf.keylen; i++)
8f20fc24 JB	216	p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]);
e9f207f0 JB	217	p += scnprintf(p, bufsize+buf-p, "\n");
	218	res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
	219	kfree(buf);
	220	return res;
	221	}
	222	KEY_OPS(key);
	223
	224	#define DEBUGFS_ADD(name) \
7bcfaf2f JB	225	debugfs_create_file(#name, 0400, key->debugfs.dir, \
7bcfaf2f JB	226	key, &key_##name##_ops);
e9f207f0	227
3b96766f JB	228	void ieee80211_debugfs_key_add(struct ieee80211_key *key)
3b96766f JB	229	{
50339a67	230	static int keycount;
3b96766f	231	char buf[50];
3b96766f	232	struct sta_info *sta;
e9f207f0	233
3b96766f	234	if (!key->local->debugfs.keys)
e9f207f0 JB	235	return;
e9f207f0 JB	236
50339a67	237	sprintf(buf, "%d", keycount);
d9c58f30	238	key->debugfs.cnt = keycount;
50339a67	239	keycount++;
e9f207f0	240	key->debugfs.dir = debugfs_create_dir(buf,
3b96766f	241	key->local->debugfs.keys);
e9f207f0 JB	242
	243	if (!key->debugfs.dir)
	244	return;
	245
40b275b6 JB	246	sta = key->sta;
40b275b6 JB	247	if (sta) {
0c68ae26	248	sprintf(buf, "../../stations/%pM", sta->sta.addr);
3b96766f JB	249	key->debugfs.stalink =
3b96766f JB	250	debugfs_create_symlink("station", key->debugfs.dir, buf);
40b275b6	251	}
3b96766f	252
e9f207f0	253	DEBUGFS_ADD(keylen);
8f20fc24	254	DEBUGFS_ADD(flags);
e9f207f0 JB	255	DEBUGFS_ADD(keyidx);
	256	DEBUGFS_ADD(hw_key_idx);
	257	DEBUGFS_ADD(tx_rx_count);
	258	DEBUGFS_ADD(algorithm);
	259	DEBUGFS_ADD(tx_spec);
	260	DEBUGFS_ADD(rx_spec);
	261	DEBUGFS_ADD(replays);
3cfcf6ac	262	DEBUGFS_ADD(icverrors);
e9f207f0	263	DEBUGFS_ADD(key);
e7a64f12	264	DEBUGFS_ADD(ifindex);
e9f207f0 JB	265	};
e9f207f0 JB	266
e9f207f0 JB	267	void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
	268	{
	269	if (!key)
	270	return;
	271
7bcfaf2f	272	debugfs_remove_recursive(key->debugfs.dir);
e9f207f0 JB	273	key->debugfs.dir = NULL;
e9f207f0 JB	274	}
f7e0104c JB	275
f7e0104c JB	276	void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
e9f207f0 JB	277	{
e9f207f0 JB	278	char buf[50];
78520cad	279	struct ieee80211_key *key;
e9f207f0	280
7bcfaf2f	281	if (!sdata->debugfs.dir)
e9f207f0 JB	282	return;
e9f207f0 JB	283
f7e0104c	284	lockdep_assert_held(&sdata->local->key_mtx);
78520cad	285
f7e0104c	286	if (sdata->default_unicast_key) {
40b275b6 JB	287	key = key_mtx_dereference(sdata->local,
40b275b6 JB	288	sdata->default_unicast_key);
78520cad	289	sprintf(buf, "../keys/%d", key->debugfs.cnt);
f7e0104c JB	290	sdata->debugfs.default_unicast_key =
f7e0104c JB	291	debugfs_create_symlink("default_unicast_key",
7bcfaf2f	292	sdata->debugfs.dir, buf);
f7e0104c JB	293	} else {
	294	debugfs_remove(sdata->debugfs.default_unicast_key);
	295	sdata->debugfs.default_unicast_key = NULL;
	296	}
e9f207f0	297
f7e0104c	298	if (sdata->default_multicast_key) {
40b275b6 JB	299	key = key_mtx_dereference(sdata->local,
40b275b6 JB	300	sdata->default_multicast_key);
f7e0104c JB	301	sprintf(buf, "../keys/%d", key->debugfs.cnt);
	302	sdata->debugfs.default_multicast_key =
	303	debugfs_create_symlink("default_multicast_key",
	304	sdata->debugfs.dir, buf);
	305	} else {
	306	debugfs_remove(sdata->debugfs.default_multicast_key);
	307	sdata->debugfs.default_multicast_key = NULL;
	308	}
e9f207f0	309	}
e9f207f0	310
3cfcf6ac JM	311	void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
	312	{
	313	char buf[50];
	314	struct ieee80211_key *key;
	315
7bcfaf2f	316	if (!sdata->debugfs.dir)
3cfcf6ac JM	317	return;
3cfcf6ac JM	318
40b275b6 JB	319	key = key_mtx_dereference(sdata->local,
40b275b6 JB	320	sdata->default_mgmt_key);
3cfcf6ac JM	321	if (key) {
3cfcf6ac JM	322	sprintf(buf, "../keys/%d", key->debugfs.cnt);
7bcfaf2f	323	sdata->debugfs.default_mgmt_key =
3cfcf6ac	324	debugfs_create_symlink("default_mgmt_key",
7bcfaf2f	325	sdata->debugfs.dir, buf);
3cfcf6ac JM	326	} else
	327	ieee80211_debugfs_key_remove_mgmt_default(sdata);
	328	}
	329
	330	void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sdata)
	331	{
	332	if (!sdata)
	333	return;
	334
7bcfaf2f JB	335	debugfs_remove(sdata->debugfs.default_mgmt_key);
7bcfaf2f JB	336	sdata->debugfs.default_mgmt_key = NULL;
3cfcf6ac JM	337	}
3cfcf6ac JM	338
e9f207f0 JB	339	void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
	340	struct sta_info *sta)
	341	{
	342	debugfs_remove(key->debugfs.stalink);
	343	key->debugfs.stalink = NULL;
	344	}