iwlwifi: HW crypto acceleration fixes

This patch fixes several issues in security:

1) the uCode doesn't know about TKIP-MMIC failure, if uCode set
RX_RES_STATUS_BAD_ICV_MIC, it means ICV failure: drop the packet silently.
2) do not allocate room in the key table of the uCode is the set_key call
is a replacement of an old key
3) check the keyidx of the key in the uCode before removing it upon
disable_key call

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h
index 44f272ecc827..89558356a590 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.h
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.h
@@ -43,7 +43,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
                                 struct ieee80211_key_conf *key);
 int iwl_set_default_wep_key(struct iwl_priv *priv,
                                 struct ieee80211_key_conf *key);
-int iwl_remove_dynamic_key(struct iwl_priv *priv, u8 sta_id);
 int iwl_set_dynamic_key(struct iwl_priv *priv,
                                 struct ieee80211_key_conf *key, u8 sta_id);
+int iwl_remove_dynamic_key(struct iwl_priv *priv,
+                                struct ieee80211_key_conf *key, u8 sta_id);
 #endif /* __iwl_sta_h__ */