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Diffstat (limited to 'net/mac80211/debugfs_key.c')
-rw-r--r--net/mac80211/debugfs_key.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 2d42354..c3a3082 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -199,6 +199,22 @@ static ssize_t key_icverrors_read(struct file *file, char __user *userbuf,
}
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)
{
@@ -260,6 +276,7 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
DEBUGFS_ADD(rx_spec);
DEBUGFS_ADD(replays);
DEBUGFS_ADD(icverrors);
+ DEBUGFS_ADD(mic_failures);
DEBUGFS_ADD(key);
DEBUGFS_ADD(ifindex);
};
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