mac80211: add debug file for mic failure
The mic failure count provides the number of mic failures that
have happened on a given key (without a countermeasure being
started, since that would remove the key).
Signed-off-by: Saravana <saravanad@posedge.com>
[fix NULL pointer issues]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 7cff0d3..382dc44 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -81,6 +81,9 @@
/* last received RSC */
struct tkip_ctx rx[IEEE80211_NUM_TIDS];
+
+ /* number of mic failures */
+ u32 mic_failures;
} tkip;
struct {
atomic64_t tx_pn;