2011-05-09 13:41:36

by Rajkumar Manoharan

Subject: [PATCH 1/4] ath9k_hw: Corrected xpabiaslevel register settings for AR9340

Signed-off-by: Rajkumar Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 3b13c1b..37f86c0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3442,17 +3442,15 @@ static void ar9003_hw_xpa_bias_level_apply(struct ath_hw *ah, bool is2ghz)
{
int bias = ar9003_hw_xpa_bias_level_get(ah, is2ghz);

- if (AR_SREV_9485(ah))
+ if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
REG_RMW_FIELD(ah, AR_CH0_TOP2, AR_CH0_TOP2_XPABIASLVL, bias);
else {
REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
- if (!AR_SREV_9340(ah)) {
- REG_RMW_FIELD(ah, AR_CH0_THERM,
- AR_CH0_THERM_XPABIASLVL_MSB,
- bias >> 2);
- REG_RMW_FIELD(ah, AR_CH0_THERM,
- AR_CH0_THERM_XPASHORT2GND, 1);
- }
+ REG_RMW_FIELD(ah, AR_CH0_THERM,
+ AR_CH0_THERM_XPABIASLVL_MSB,
+ bias >> 2);
+ REG_RMW_FIELD(ah, AR_CH0_THERM,
+ AR_CH0_THERM_XPASHORT2GND, 1);
}
}

--
1.7.5.1

2011-05-09 13:41:47

by Rajkumar Manoharan

Subject: [PATCH 3/4] ath9k: Fix rssi update in ad-hoc mode

The average beacon rssi which will be used by ani is not updated
in adhoc mode.

Signed-off-by: Rajkumar Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/recv.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a485c04..9fcd1e4 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -917,7 +917,8 @@ static void ath9k_process_rssi(struct ath_common *common,
int last_rssi;
__le16 fc;

- if (ah->opmode != NL80211_IFTYPE_STATION)
+ if ((ah->opmode != NL80211_IFTYPE_STATION) &&
+ (ah->opmode != NL80211_IFTYPE_ADHOC))
return;

fc = hdr->frame_control;
--
1.7.5.1

2011-05-09 13:41:52

by Rajkumar Manoharan

Subject: [PATCH 4/4] ath9k: Failed to set default beacon rssi in AP/IBSS mode

This beacon rssi will be used to set noisefloor during ani reset.

Signed-off-by: Rajkumar Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/main.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 11d9eca..c4d32c5 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1409,6 +1409,7 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,

/* Set up ANI */
if ((iter_data.naps + iter_data.nadhocs) > 0) {
+ sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
sc->sc_flags |= SC_OP_ANI_RUN;
ath_start_ani(common);
} else {
--
1.7.5.1

2011-05-09 13:41:42

by Rajkumar Manoharan

Subject: [PATCH 2/4] ath9k_hw: Change DCU backoff thresh for AR9340

By changing DCU backoff threshold for AR9340 to 1, helps to
reduce rx overrurns seen while running bidirectional traffic.

Signed-off-by: Rajkumar Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/mac.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 9cf7a7d..bd6d2b9 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -430,8 +430,13 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
SM(qi->tqi_shretry, AR_D_RETRY_LIMIT_FR_SH));

REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
- REG_WRITE(ah, AR_DMISC(q),
- AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
+
+ if (AR_SREV_9340(ah))
+ REG_WRITE(ah, AR_DMISC(q),
+ AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
+ else
+ REG_WRITE(ah, AR_DMISC(q),
+ AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);

if (qi->tqi_cbrPeriod) {
REG_WRITE(ah, AR_QCBRCFG(q),
--
1.7.5.1