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| author | Felix Fietkau <nbd@openwrt.org> | 2013-05-23 12:20:56 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-05-24 12:50:22 -0400 |
| commit | 86c157b3f83597e11d8f03a9dece98d1e77a8ce7 (patch) | |
| tree | 039443b1f2fae511c5735e55f3b2aebfdf59eb82 /drivers/net/wireless/ath/ath9k/reg.h | |
| parent | a37a99102e4573145aa60a2f78a690cc8def027c (diff) | |
| download | linux-stable-86c157b3f83597e11d8f03a9dece98d1e77a8ce7.tar.gz linux-stable-86c157b3f83597e11d8f03a9dece98d1e77a8ce7.tar.bz2 linux-stable-86c157b3f83597e11d8f03a9dece98d1e77a8ce7.zip | |
ath9k_hw: improve performance for AR934x v1.3+
AR934x v1.3 no longer needs the DCU backoff reduction workaround for
preventing rx overruns, but in turn needs the number of usable Tx
buffers to be reduced slightly.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/reg.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 9c056a80b85d..f7c90cc58d56 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -798,6 +798,10 @@ #define AR_SREV_REVISION_9485_10 0 #define AR_SREV_REVISION_9485_11 1 #define AR_SREV_VERSION_9340 0x300 +#define AR_SREV_REVISION_9340_10 0 +#define AR_SREV_REVISION_9340_11 1 +#define AR_SREV_REVISION_9340_12 2 +#define AR_SREV_REVISION_9340_13 3 #define AR_SREV_VERSION_9580 0x1C0 #define AR_SREV_REVISION_9580_10 4 /* AR9580 1.0 */ #define AR_SREV_VERSION_9462 0x280 @@ -897,6 +901,10 @@ #define AR_SREV_9340(_ah) \ (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9340)) +#define AR_SREV_9340_13_OR_LATER(_ah) \ + (AR_SREV_9340((_ah)) && \ + ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9340_13)) + #define AR_SREV_9285E_20(_ah) \ (AR_SREV_9285_12_OR_LATER(_ah) && \ ((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1)) @@ -1883,6 +1891,7 @@ enum { #define AR_PCU_TXBUF_CTRL_SIZE_MASK 0x7FF #define AR_PCU_TXBUF_CTRL_USABLE_SIZE 0x700 #define AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE 0x380 +#define AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE 0x500 #define AR_PCU_MISC_MODE2 0x8344 #define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE 0x00000002 |