diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-11-22 15:39:39 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-22 15:58:55 -0500 |
| commit | 02d2ebb2a0aa2cae0446289c8f927067aec06079 (patch) | |
| tree | df808aa984fe4dfd5519e0056b5b96b84f421523 | |
| parent | 7253965a1cfbd22dd20f92b7a054e831777e284e (diff) | |
| download | blackbird-op-linux-02d2ebb2a0aa2cae0446289c8f927067aec06079.tar.gz blackbird-op-linux-02d2ebb2a0aa2cae0446289c8f927067aec06079.zip | |
ath9k_hw: fix A-MPDU key search issues on AR9003
Under load, a large number of frames can produce decryption errors, even when
no key cache update is being done. Performing a key search for every single
frame in an A-MPDU improves reliability.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index fd4fdb57e570..c686987c4840 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1817,6 +1817,10 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA; + /* enable key search for every frame in an aggregate */ + if (AR_SREV_9300_20_OR_LATER(ah)) + ah->misc_mode |= AR_PCU_ALWAYS_PERFORM_KEYSEARCH; + pCap->low_2ghz_chan = 2312; pCap->high_2ghz_chan = 2732; diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 60826b82f4a2..f6058b439fb3 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -1568,6 +1568,7 @@ enum { #define AR_PCU_TBTT_PROTECT 0x00200000 #define AR_PCU_CLEAR_VMF 0x01000000 #define AR_PCU_CLEAR_BA_VALID 0x04000000 +#define AR_PCU_ALWAYS_PERFORM_KEYSEARCH 0x10000000 #define AR_PCU_BT_ANT_PREVENT_RX 0x00100000 #define AR_PCU_BT_ANT_PREVENT_RX_S 20 |
