ath5k: update keycache to support TKIP handling

Newer parts have slots at entry+64 for michael mic and can do WPA-TKIP
in hardware.  The open-sourced Atheros HAL has code for accessing this
portion so now we know how where to put the key material.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 4bf3678529b8..c7ffcbb9062d 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -2983,8 +2983,8 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
         switch (key->alg) {
         case ALG_WEP:
-                break;
         case ALG_TKIP:
+                break;
         case ALG_CCMP:
                 return -EOPNOTSUPP;
         default:
@@ -3003,7 +3003,8 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 }
                 __set_bit(key->keyidx, sc->keymap);
                 key->hw_key_idx = key->keyidx;
-                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+                key->flags |= (IEEE80211_KEY_FLAG_GENERATE_IV |
+                               IEEE80211_KEY_FLAG_GENERATE_MMIC);
                 break;
         case DISABLE_KEY:
                 ath5k_hw_reset_key(sc->ah, key->keyidx);