[net-next-2.6.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, buflen, format_string)			\
static ssize_t key_##name##_read(struct file *file,			\
				 char __user *userbuf,			\
				 size_t count, loff_t *ppos)		\
{									\
	char buf[buflen];						\
	struct ieee80211_key *key = file->private_data;			\
	int res = scnprintf(buf, buflen, format_string, key->prop);	\
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
}
#define KEY_READ_D(name) KEY_READ(name, name, 20, "%d\n")
#define KEY_READ_X(name) KEY_READ(name, name, 20, "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, buflen, format_string)			\
	KEY_READ(conf_##name, conf.name, buflen, format_string)
#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, 20, "%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, IFNAMSIZ + 2, "%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;
	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:
		tpn = key->u.ccmp.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;
	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, res, bufsize = 2 * key->conf.keylen + 2;
	char *buf = kmalloc(bufsize, GFP_KERNEL);
	char *p = buf;

	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;

	rcu_read_lock();
	sta = rcu_dereference(key->sta);
	if (sta)
		sprintf(buf, "../../stations/%pM", sta->sta.addr);
	rcu_read_unlock();

	/* using sta as a boolean is fine outside RCU lock */
	if (sta)
		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_add_default(struct ieee80211_sub_if_data *sdata)
{
	char buf[50];
	struct ieee80211_key *key;

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

	/* this is running under the key lock */

	key = sdata->default_key;
	if (key) {
		sprintf(buf, "../keys/%d", key->debugfs.cnt);
		sdata->debugfs.default_key =
			debugfs_create_symlink("default_key",
					       sdata->debugfs.dir, buf);
	} else
		ieee80211_debugfs_key_remove_default(sdata);
}

void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
{
	if (!sdata)
		return;

	debugfs_remove(sdata->debugfs.default_key);
	sdata->debugfs.default_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;

	/* this is running under the key lock */

	key = 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
8f20fc24	18	#define KEY_READ(name, prop, buflen, 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	{ \
	23	char buf[buflen]; \
	24	struct ieee80211_key *key = file->private_data; \
8f20fc24	25	int res = scnprintf(buf, buflen, format_string, key->prop); \
e9f207f0 JB	26	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
e9f207f0 JB	27	}
8f20fc24	28	#define KEY_READ_D(name) KEY_READ(name, name, 20, "%d\n")
11a843b7	29	#define KEY_READ_X(name) KEY_READ(name, name, 20, "0x%x\n")
e9f207f0 JB	30
	31	#define KEY_OPS(name) \
	32	static const struct file_operations key_ ##name## _ops = { \
	33	.read = key_##name##_read, \
	34	.open = mac80211_open_file_generic, \
2b18ab36	35	.llseek = generic_file_llseek, \
e9f207f0 JB	36	}
	37
	38	#define KEY_FILE(name, format) \
	39	KEY_READ_##format(name) \
	40	KEY_OPS(name)
	41
8f20fc24 JB	42	#define KEY_CONF_READ(name, buflen, format_string) \
	43	KEY_READ(conf_##name, conf.name, buflen, format_string)
	44	#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, 20, "%d\n")
8f20fc24 JB	45
	46	#define KEY_CONF_OPS(name) \
	47	static const struct file_operations key_ ##name## _ops = { \
	48	.read = key_conf_##name##_read, \
	49	.open = mac80211_open_file_generic, \
2b18ab36	50	.llseek = generic_file_llseek, \
8f20fc24 JB	51	}
	52
	53	#define KEY_CONF_FILE(name, format) \
	54	KEY_CONF_READ_##format(name) \
	55	KEY_CONF_OPS(name)
	56
	57	KEY_CONF_FILE(keylen, D);
	58	KEY_CONF_FILE(keyidx, D);
	59	KEY_CONF_FILE(hw_key_idx, D);
11a843b7	60	KEY_FILE(flags, X);
e9f207f0	61	KEY_FILE(tx_rx_count, D);
47846c9b	62	KEY_READ(ifindex, sdata->name, IFNAMSIZ + 2, "%s\n");
e7a64f12	63	KEY_OPS(ifindex);
e9f207f0 JB	64
	65	static ssize_t key_algorithm_read(struct file *file,
	66	char __user *userbuf,
	67	size_t count, loff_t *ppos)
	68	{
97359d12	69	char buf[15];
e9f207f0	70	struct ieee80211_key *key = file->private_data;
97359d12	71	u32 c = key->conf.cipher;
e9f207f0	72
97359d12 JB	73	sprintf(buf, "%.2x-%.2x-%.2x:%d\n",
	74	c >> 24, (c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff);
	75	return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
e9f207f0 JB	76	}
	77	KEY_OPS(algorithm);
	78
	79	static ssize_t key_tx_spec_read(struct file file, char __user userbuf,
	80	size_t count, loff_t *ppos)
	81	{
	82	const u8 *tpn;
	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:
e9f207f0 JB	98	tpn = key->u.ccmp.tx_pn;
	99	len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
	100	tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
50339a67	101	break;
97359d12	102	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	103	tpn = key->u.aes_cmac.tx_pn;
	104	len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
	105	tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
	106	tpn[5]);
	107	break;
e9f207f0 JB	108	default:
	109	return 0;
	110	}
	111	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	112	}
	113	KEY_OPS(tx_spec);
	114
	115	static ssize_t key_rx_spec_read(struct file file, char __user userbuf,
	116	size_t count, loff_t *ppos)
	117	{
	118	struct ieee80211_key *key = file->private_data;
	119	char buf[14NUM_RX_DATA_QUEUES+1], p = buf;
	120	int i, len;
	121	const u8 *rpn;
	122
97359d12 JB	123	switch (key->conf.cipher) {
	124	case WLAN_CIPHER_SUITE_WEP40:
	125	case WLAN_CIPHER_SUITE_WEP104:
e9f207f0	126	len = scnprintf(buf, sizeof(buf), "\n");
50339a67	127	break;
97359d12	128	case WLAN_CIPHER_SUITE_TKIP:
e9f207f0 JB	129	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
	130	p += scnprintf(p, sizeof(buf)+buf-p,
	131	"%08x %04x\n",
b0f76b33 HH	132	key->u.tkip.rx[i].iv32,
b0f76b33 HH	133	key->u.tkip.rx[i].iv16);
e9f207f0	134	len = p - buf;
50339a67	135	break;
97359d12	136	case WLAN_CIPHER_SUITE_CCMP:
9190252c	137	for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
e9f207f0 JB	138	rpn = key->u.ccmp.rx_pn[i];
	139	p += scnprintf(p, sizeof(buf)+buf-p,
	140	"%02x%02x%02x%02x%02x%02x\n",
	141	rpn[0], rpn[1], rpn[2],
	142	rpn[3], rpn[4], rpn[5]);
	143	}
	144	len = p - buf;
50339a67	145	break;
97359d12	146	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	147	rpn = key->u.aes_cmac.rx_pn;
	148	p += scnprintf(p, sizeof(buf)+buf-p,
	149	"%02x%02x%02x%02x%02x%02x\n",
	150	rpn[0], rpn[1], rpn[2],
	151	rpn[3], rpn[4], rpn[5]);
	152	len = p - buf;
	153	break;
e9f207f0 JB	154	default:
	155	return 0;
	156	}
	157	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	158	}
	159	KEY_OPS(rx_spec);
	160
	161	static ssize_t key_replays_read(struct file file, char __user userbuf,
	162	size_t count, loff_t *ppos)
	163	{
	164	struct ieee80211_key *key = file->private_data;
	165	char buf[20];
	166	int len;
	167
97359d12 JB	168	switch (key->conf.cipher) {
97359d12 JB	169	case WLAN_CIPHER_SUITE_CCMP:
3cfcf6ac JM	170	len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
3cfcf6ac JM	171	break;
97359d12	172	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	173	len = scnprintf(buf, sizeof(buf), "%u\n",
	174	key->u.aes_cmac.replays);
	175	break;
	176	default:
e9f207f0	177	return 0;
3cfcf6ac	178	}
e9f207f0 JB	179	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	180	}
	181	KEY_OPS(replays);
	182
3cfcf6ac JM	183	static ssize_t key_icverrors_read(struct file file, char __user userbuf,
	184	size_t count, loff_t *ppos)
	185	{
	186	struct ieee80211_key *key = file->private_data;
	187	char buf[20];
	188	int len;
	189
97359d12 JB	190	switch (key->conf.cipher) {
97359d12 JB	191	case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac JM	192	len = scnprintf(buf, sizeof(buf), "%u\n",
	193	key->u.aes_cmac.icverrors);
	194	break;
	195	default:
	196	return 0;
	197	}
	198	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	199	}
	200	KEY_OPS(icverrors);
	201
e9f207f0 JB	202	static ssize_t key_key_read(struct file file, char __user userbuf,
	203	size_t count, loff_t *ppos)
	204	{
	205	struct ieee80211_key *key = file->private_data;
8f20fc24	206	int i, res, bufsize = 2 * key->conf.keylen + 2;
e9f207f0 JB	207	char *buf = kmalloc(bufsize, GFP_KERNEL);
	208	char *p = buf;
	209
8f20fc24 JB	210	for (i = 0; i < key->conf.keylen; i++)
8f20fc24 JB	211	p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]);
e9f207f0 JB	212	p += scnprintf(p, bufsize+buf-p, "\n");
	213	res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
	214	kfree(buf);
	215	return res;
	216	}
	217	KEY_OPS(key);
	218
	219	#define DEBUGFS_ADD(name) \
7bcfaf2f JB	220	debugfs_create_file(#name, 0400, key->debugfs.dir, \
7bcfaf2f JB	221	key, &key_##name##_ops);
e9f207f0	222
3b96766f JB	223	void ieee80211_debugfs_key_add(struct ieee80211_key *key)
3b96766f JB	224	{
50339a67	225	static int keycount;
3b96766f	226	char buf[50];
3b96766f	227	struct sta_info *sta;
e9f207f0	228
3b96766f	229	if (!key->local->debugfs.keys)
e9f207f0 JB	230	return;
e9f207f0 JB	231
50339a67	232	sprintf(buf, "%d", keycount);
d9c58f30	233	key->debugfs.cnt = keycount;
50339a67	234	keycount++;
e9f207f0	235	key->debugfs.dir = debugfs_create_dir(buf,
3b96766f	236	key->local->debugfs.keys);
e9f207f0 JB	237
	238	if (!key->debugfs.dir)
	239	return;
	240
3b96766f JB	241	rcu_read_lock();
	242	sta = rcu_dereference(key->sta);
	243	if (sta)
0c68ae26	244	sprintf(buf, "../../stations/%pM", sta->sta.addr);
3b96766f JB	245	rcu_read_unlock();
	246
	247	/* using sta as a boolean is fine outside RCU lock */
	248	if (sta)
	249	key->debugfs.stalink =
	250	debugfs_create_symlink("station", key->debugfs.dir, buf);
	251
e9f207f0	252	DEBUGFS_ADD(keylen);
8f20fc24	253	DEBUGFS_ADD(flags);
e9f207f0 JB	254	DEBUGFS_ADD(keyidx);
	255	DEBUGFS_ADD(hw_key_idx);
	256	DEBUGFS_ADD(tx_rx_count);
	257	DEBUGFS_ADD(algorithm);
	258	DEBUGFS_ADD(tx_spec);
	259	DEBUGFS_ADD(rx_spec);
	260	DEBUGFS_ADD(replays);
3cfcf6ac	261	DEBUGFS_ADD(icverrors);
e9f207f0	262	DEBUGFS_ADD(key);
e7a64f12	263	DEBUGFS_ADD(ifindex);
e9f207f0 JB	264	};
e9f207f0 JB	265
e9f207f0 JB	266	void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
	267	{
	268	if (!key)
	269	return;
	270
7bcfaf2f	271	debugfs_remove_recursive(key->debugfs.dir);
e9f207f0 JB	272	key->debugfs.dir = NULL;
	273	}
	274	void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
	275	{
	276	char buf[50];
78520cad	277	struct ieee80211_key *key;
e9f207f0	278
7bcfaf2f	279	if (!sdata->debugfs.dir)
e9f207f0 JB	280	return;
e9f207f0 JB	281
78520cad JB	282	/* this is running under the key lock */
	283
	284	key = sdata->default_key;
	285	if (key) {
	286	sprintf(buf, "../keys/%d", key->debugfs.cnt);
7bcfaf2f	287	sdata->debugfs.default_key =
78520cad	288	debugfs_create_symlink("default_key",
7bcfaf2f	289	sdata->debugfs.dir, buf);
78520cad JB	290	} else
78520cad JB	291	ieee80211_debugfs_key_remove_default(sdata);
e9f207f0	292	}
78520cad	293
e9f207f0 JB	294	void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
	295	{
	296	if (!sdata)
	297	return;
	298
7bcfaf2f JB	299	debugfs_remove(sdata->debugfs.default_key);
7bcfaf2f JB	300	sdata->debugfs.default_key = NULL;
e9f207f0	301	}
e9f207f0	302
3cfcf6ac JM	303	void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
	304	{
	305	char buf[50];
	306	struct ieee80211_key *key;
	307
7bcfaf2f	308	if (!sdata->debugfs.dir)
3cfcf6ac JM	309	return;
	310
	311	/* this is running under the key lock */
	312
	313	key = sdata->default_mgmt_key;
	314	if (key) {
	315	sprintf(buf, "../keys/%d", key->debugfs.cnt);
7bcfaf2f	316	sdata->debugfs.default_mgmt_key =
3cfcf6ac	317	debugfs_create_symlink("default_mgmt_key",
7bcfaf2f	318	sdata->debugfs.dir, buf);
3cfcf6ac JM	319	} else
	320	ieee80211_debugfs_key_remove_mgmt_default(sdata);
	321	}
	322
	323	void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sdata)
	324	{
	325	if (!sdata)
	326	return;
	327
7bcfaf2f JB	328	debugfs_remove(sdata->debugfs.default_mgmt_key);
7bcfaf2f JB	329	sdata->debugfs.default_mgmt_key = NULL;
3cfcf6ac JM	330	}
3cfcf6ac JM	331
e9f207f0 JB	332	void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
	333	struct sta_info *sta)
	334	{
	335	debugfs_remove(key->debugfs.stalink);
	336	key->debugfs.stalink = NULL;
	337	}