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Diffstat (limited to 'net/mac80211/debugfs_key.c')
-rw-r--r--net/mac80211/debugfs_key.c119
1 files changed, 59 insertions, 60 deletions
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index fa5e76e658ef..f7ef3477c24a 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -15,37 +15,38 @@
#include "debugfs.h"
#include "debugfs_key.h"
-#define KEY_READ(name, prop, buflen, format_string) \
+#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) \
{ \
- 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); \
+ return mac80211_format_buffer(userbuf, count, ppos, \
+ format_string, key->prop); \
}
-#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_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, 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_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) \
@@ -57,33 +58,20 @@ 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_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 *alg;
+ char buf[15];
struct ieee80211_key *key = file->private_data;
+ u32 c = key->conf.cipher;
- switch (key->conf.alg) {
- case ALG_WEP:
- alg = "WEP\n";
- break;
- case ALG_TKIP:
- alg = "TKIP\n";
- break;
- case ALG_CCMP:
- alg = "CCMP\n";
- break;
- case ALG_AES_CMAC:
- alg = "AES-128-CMAC\n";
- break;
- default:
- return 0;
- }
- return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
+ 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);
@@ -95,21 +83,22 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
int len;
struct ieee80211_key *key = file->private_data;
- switch (key->conf.alg) {
- case ALG_WEP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
len = scnprintf(buf, sizeof(buf), "\n");
break;
- case ALG_TKIP:
+ 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 ALG_CCMP:
+ 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 ALG_AES_CMAC:
+ 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],
@@ -130,11 +119,12 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
int i, len;
const u8 *rpn;
- switch (key->conf.alg) {
- case ALG_WEP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
len = scnprintf(buf, sizeof(buf), "\n");
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
p += scnprintf(p, sizeof(buf)+buf-p,
"%08x %04x\n",
@@ -142,7 +132,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
key->u.tkip.rx[i].iv16);
len = p - buf;
break;
- case ALG_CCMP:
+ 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,
@@ -152,7 +142,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
}
len = p - buf;
break;
- case ALG_AES_CMAC:
+ 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",
@@ -174,11 +164,11 @@ static ssize_t key_replays_read(struct file *file, char __user *userbuf,
char buf[20];
int len;
- switch (key->conf.alg) {
- case ALG_CCMP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
len = scnprintf(buf, sizeof(buf), "%u\n",
key->u.aes_cmac.replays);
break;
@@ -196,8 +186,8 @@ static ssize_t key_icverrors_read(struct file *file, char __user *userbuf,
char buf[20];
int len;
- switch (key->conf.alg) {
- case ALG_AES_CMAC:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_AES_CMAC:
len = scnprintf(buf, sizeof(buf), "%u\n",
key->u.aes_cmac.icverrors);
break;
@@ -212,9 +202,13 @@ 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;
+ 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]);
@@ -280,7 +274,8 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
debugfs_remove_recursive(key->debugfs.dir);
key->debugfs.dir = NULL;
}
-void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
+
+void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
{
char buf[50];
struct ieee80211_key *key;
@@ -288,25 +283,29 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
if (!sdata->debugfs.dir)
return;
- /* this is running under the key lock */
+ lockdep_assert_held(&sdata->local->key_mtx);
- key = sdata->default_key;
- if (key) {
+ if (sdata->default_unicast_key) {
+ key = sdata->default_unicast_key;
sprintf(buf, "../keys/%d", key->debugfs.cnt);
- sdata->debugfs.default_key =
- debugfs_create_symlink("default_key",
+ sdata->debugfs.default_unicast_key =
+ debugfs_create_symlink("default_unicast_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;
+ } else {
+ debugfs_remove(sdata->debugfs.default_unicast_key);
+ sdata->debugfs.default_unicast_key = NULL;
+ }
- debugfs_remove(sdata->debugfs.default_key);
- sdata->debugfs.default_key = NULL;
+ if (sdata->default_multicast_key) {
+ key = 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)
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