ath5k: add hardware CCMP encyption support
Recent ath5k hardware is capable of doing CCMP acceleration.
Enable it for the cards that support it.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 65d438b..109ab7b 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -106,6 +106,7 @@
{
struct ath5k_hw *ah;
struct pci_dev *pdev = sc->pdev;
+ struct ath5k_eeprom_info *ee;
int ret;
u32 srev;
@@ -315,6 +316,15 @@
goto err_free;
}
+ /* Crypto settings */
+ ee = &ah->ah_capabilities.cap_eeprom;
+ ah->ah_aes_support =
+ (ee->ee_version >= AR5K_EEPROM_VERSION_5_0 &&
+ !AR5K_EEPROM_AES_DIS(ee->ee_misc5) &&
+ (ah->ah_mac_version > (AR5K_SREV_AR5212 >> 4) ||
+ (ah->ah_mac_version == (AR5K_SREV_AR5212 >> 4) &&
+ ah->ah_mac_revision >= (AR5K_SREV_AR5211 >> 4))));
+
if (srev >= AR5K_SREV_AR2414) {
ah->ah_combined_mic = true;
AR5K_REG_ENABLE_BITS(ah, AR5K_MISC_MODE,