ath9k: Setup MFP options for CCMP
Configure hardware CCMP for management frame protection and use
software crypto when needed.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 462e08c..dbf24be 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -593,6 +593,12 @@
if (test_bit(keyix, sc->sc_keymap))
rx_status.flag |= RX_FLAG_DECRYPTED;
}
+ if (ah->sw_mgmt_crypto &&
+ (rx_status.flag & RX_FLAG_DECRYPTED) &&
+ ieee80211_is_mgmt(hdr->frame_control)) {
+ /* Use software decrypt for management frames. */
+ rx_status.flag &= ~RX_FLAG_DECRYPTED;
+ }
/* Send the frame to mac80211 */
__ieee80211_rx(sc->hw, skb, &rx_status);