2 files changed, 44 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index cbe8ce3bf486..27f230f063b3 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -199,6 +199,14 @@
  *      NL80211_CMD_AUTHENTICATE but for Disassociation frames (similar to
  *      MLME-DISASSOCIATE.request and MLME-DISASSOCIATE.indication primitives).
  *
+ * @NL80211_CMD_MICHAEL_MIC_FAILURE: notification of a locally detected Michael
+ *      MIC (part of TKIP) failure; sent on the "mlme" multicast group; the
+ *      event includes %NL80211_ATTR_MAC to describe the source MAC address of
+ *      the frame with invalid MIC, %NL80211_ATTR_KEY_TYPE to show the key
+ *      type, %NL80211_ATTR_KEY_IDX to indicate the key identifier, and
+ *      %NL80211_ATTR_KEY_SEQ to indicate the TSC value of the frame; this
+ *      event matches with MLME-MICHAELMICFAILURE.indication() primitive
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -260,6 +268,8 @@ enum nl80211_commands {
         NL80211_CMD_DEAUTHENTICATE,
         NL80211_CMD_DISASSOCIATE,
 
+        NL80211_CMD_MICHAEL_MIC_FAILURE,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */
@@ -408,6 +418,9 @@ enum nl80211_commands {
  * @NL80211_ATTR_REASON_CODE: ReasonCode for %NL80211_CMD_DEAUTHENTICATE and
  *      %NL80211_CMD_DISASSOCIATE, u16
  *
+ * @NL80211_ATTR_KEY_TYPE: Key Type, see &enum nl80211_key_type, represented as
+ *      a u32
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -492,6 +505,8 @@ enum nl80211_attrs {
         NL80211_ATTR_AUTH_TYPE,
         NL80211_ATTR_REASON_CODE,
 
+        NL80211_ATTR_KEY_TYPE,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
@@ -1062,4 +1077,17 @@ enum nl80211_auth_type {
         NL80211_AUTHTYPE_FT,
         NL80211_AUTHTYPE_NETWORK_EAP,
 };
+
+/**
+ * enum nl80211_key_type - Key Type
+ * @NL80211_KEYTYPE_GROUP: Group (broadcast/multicast) key
+ * @NL80211_KEYTYPE_PAIRWISE: Pairwise (unicast/individual) key
+ * @NL80211_KEYTYPE_PEERKEY: PeerKey (DLS)
+ */
+enum nl80211_key_type {
+        NL80211_KEYTYPE_GROUP,
+        NL80211_KEYTYPE_PAIRWISE,
+        NL80211_KEYTYPE_PEERKEY,
+};
+
 #endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ec33096fc655..f8bf0c86650b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -957,4 +957,20 @@ void cfg80211_hold_bss(struct cfg80211_bss *bss);
  */
 void cfg80211_unhold_bss(struct cfg80211_bss *bss);
 
+/**
+ * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
+ * @dev: network device
+ * @addr: The source MAC address of the frame
+ * @key_type: The key type that the received frame used
+ * @key_id: Key identifier (0..3)
+ * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
+ *
+ * This function is called whenever the local MAC detects a MIC failure in a
+ * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
+ * primitive.
+ */
+void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
+                                  enum nl80211_key_type key_type, int key_id,
+                                  const u8 *tsc);
+
 #endif /* __NET_CFG80211_H */