1 files changed, 20 insertions, 3 deletions

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 090d08ff22c4..c3a3082b72e5 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -116,7 +116,7 @@ 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;
+        char buf[14*IEEE80211_NUM_TIDS+1], *p = buf;
         int i, len;
         const u8 *rpn;
 
@@ -126,7 +126,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
                 len = scnprintf(buf, sizeof(buf), "\n");
                 break;
         case WLAN_CIPHER_SUITE_TKIP:
-                for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+                for (i = 0; i < IEEE80211_NUM_TIDS; i++)
                         p += scnprintf(p, sizeof(buf)+buf-p,
                                        "%08x %04x\n",
                                        key->u.tkip.rx[i].iv32,
@@ -134,7 +134,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
                 len = p - buf;
                 break;
         case WLAN_CIPHER_SUITE_CCMP:
-                for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
+                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",
@@ -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);
 };