mac80211: 802.11w - Use BIP (AES-128-CMAC)

Add mechanism for managing BIP keys (IGTK) and integrate BIP into the
TX/RX paths.

Signed-off-by: Jouni Malinen <j@w1.fi>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath5k/pcu.c b/drivers/net/wireless/ath5k/pcu.c
index 5b416ed65299..e758b70ab7eb 100644
--- a/drivers/net/wireless/ath5k/pcu.c
+++ b/drivers/net/wireless/ath5k/pcu.c
@@ -1026,6 +1026,9 @@ int ath5k_keycache_type(const struct ieee80211_key_conf *key)
                         return AR5K_KEYTABLE_TYPE_40;
                 else if (key->keylen == LEN_WEP104)
                         return AR5K_KEYTABLE_TYPE_104;
+                return -EINVAL;
+        default:
+                return -EINVAL;
         }
         return -EINVAL;
 }