mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 08:36:44 +07:00
8ade538bf3
This allows mac80211 to configure BIP-GMAC-128 and BIP-GMAC-256 to the driver and also use software-implementation within mac80211 when the driver does not support this with hardware accelaration. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
417 lines
11 KiB
C
417 lines
11 KiB
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 = simple_open, \
|
|
.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 = simple_open, \
|
|
.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)
|
|
{
|
|
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:
|
|
case WLAN_CIPHER_SUITE_CCMP_256:
|
|
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:
|
|
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
pn = atomic64_read(&key->u.aes_cmac.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_BIP_GMAC_128:
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
pn = atomic64_read(&key->u.aes_gmac.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_GCMP:
|
|
case WLAN_CIPHER_SUITE_GCMP_256:
|
|
pn = atomic64_read(&key->u.gcmp.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;
|
|
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*IEEE80211_NUM_TIDS+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 < IEEE80211_NUM_TIDS; 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:
|
|
case WLAN_CIPHER_SUITE_CCMP_256:
|
|
for (i = 0; i < IEEE80211_NUM_TIDS + 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:
|
|
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
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;
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
rpn = key->u.aes_gmac.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;
|
|
case WLAN_CIPHER_SUITE_GCMP:
|
|
case WLAN_CIPHER_SUITE_GCMP_256:
|
|
for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
|
|
rpn = key->u.gcmp.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;
|
|
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:
|
|
case WLAN_CIPHER_SUITE_CCMP_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
|
|
break;
|
|
case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
key->u.aes_cmac.replays);
|
|
break;
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
key->u.aes_gmac.replays);
|
|
break;
|
|
case WLAN_CIPHER_SUITE_GCMP:
|
|
case WLAN_CIPHER_SUITE_GCMP_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n", key->u.gcmp.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:
|
|
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
key->u.aes_cmac.icverrors);
|
|
break;
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
key->u.aes_gmac.icverrors);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return simple_read_from_buffer(userbuf, count, ppos, buf, len);
|
|
}
|
|
KEY_OPS(icverrors);
|
|
|
|
static ssize_t key_mic_failures_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;
|
|
|
|
if (key->conf.cipher != WLAN_CIPHER_SUITE_TKIP)
|
|
return -EINVAL;
|
|
|
|
len = scnprintf(buf, sizeof(buf), "%u\n", key->u.tkip.mic_failures);
|
|
|
|
return simple_read_from_buffer(userbuf, count, ppos, buf, len);
|
|
}
|
|
KEY_OPS(mic_failures);
|
|
|
|
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[100];
|
|
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, "../../netdev:%s/stations/%pM",
|
|
sta->sdata->name, 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(mic_failures);
|
|
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->vif.debugfs_dir)
|
|
return;
|
|
|
|
lockdep_assert_held(&sdata->local->key_mtx);
|
|
|
|
debugfs_remove(sdata->debugfs.default_unicast_key);
|
|
sdata->debugfs.default_unicast_key = NULL;
|
|
|
|
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->vif.debugfs_dir, buf);
|
|
}
|
|
|
|
debugfs_remove(sdata->debugfs.default_multicast_key);
|
|
sdata->debugfs.default_multicast_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->vif.debugfs_dir, buf);
|
|
}
|
|
}
|
|
|
|
void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
char buf[50];
|
|
struct ieee80211_key *key;
|
|
|
|
if (!sdata->vif.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->vif.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;
|
|
}
|