Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

[karo-tx-linux.git] / net / mac80211 / debugfs_key.c

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 2d4235497f1be90e6a8f59229368c34716563aaf..c3a3082b72e5cde611b5fb89a63829c7fb4eee27 100644 (file)
--- 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);
 };