Recent ath5k hardware is capable of doing CCMP acceleration.
Enable it for the cards that support it.
Signed-off-by: Bob Copeland <m...@bobcopeland.com>
---
drivers/net/wireless/ath/ath5k/ath5k.h | 1 +
drivers/net/wireless/ath/ath5k/attach.c | 10 ++++++++++
drivers/net/wireless/ath/ath5k/base.c | 3 +++
3 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h
b/drivers/net/wireless/ath/ath5k/ath5k.h
index 862762c..cdc79cd 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1037,6 +1037,7 @@ struct ath5k_hw {
bool ah_turbo;
bool ah_calibration;
bool ah_single_chip;
+ bool ah_aes_support;
bool ah_combined_mic;
enum ath5k_version ah_version;
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 *ath5k_hw_attach(struct ath5k_softc *sc, u8
mac_version)
{
struct ath5k_hw *ah;
struct pci_dev *pdev = sc->pdev;
+ struct ath5k_eeprom_info *ee;
int ret;
u32 srev;
@@ -315,6 +316,15 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc,
u8 mac_version)
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,
diff --git a/drivers/net/wireless/ath/ath5k/base.c
b/drivers/net/wireless/ath/ath5k/base.c
index 10bf015..94d46fd 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3022,6 +3022,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd
cmd,
case ALG_TKIP:
break;
case ALG_CCMP:
+ if (sc->ah->ah_aes_support)
+ break;
+
return -EOPNOTSUPP;
default:
WARN_ON(1);
--
1.6.2.5
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