With AR9003 at about ~ 10 feet from an AP that uses RTS / CTS you will be able to associate but not not get data through given that the power for the rates used was set too low. This increases the power and permits data connectivity at longer distances from access points when connected with HT40. Without this you will not get any data through when associated to APs configured in HT40 at about more than 10 feet away. Cc: stable@xxxxxxxxxx Cc: Fiona Cain <fcain@xxxxxxxxxxx> Cc: Zhen Xie <Zhen.Xie@xxxxxxxxxxx> Cc: Kathy Giori <kathy.giori@xxxxxxxxxxx> Cc: Neha Choksi <neha.choksi@xxxxxxxxxxx> Cc: Wayne Daniel <wayne.daniel@xxxxxxxxxxx> Cc: Gaurav Jauhar <gaurav.jauhar@xxxxxxxxxxx> Cc: Samira Naraghi <samira.naraghi@xxxxxxxxxxx> CC: Ashok Chennupati <ashok.chennupati@xxxxxxxxxxx> Cc: Lance Zimmerman <lance.zimmerman@xxxxxxxxxxx> Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index fb892e5..3b13c1b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -4005,6 +4005,16 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray) POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 0) ); + /* Write the power for duplicated frames - HT40 */ + + /* dup40_cck (LSB), dup40_ofdm, ext20_cck, ext20_ofdm (MSB) */ + REG_WRITE(ah, 0xa3e0, + POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 24) | + POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 16) | + POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 8) | + POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 0) + ); + /* Write the HT20 power per rate set */ /* 0/8/16 (LSB), 1-3/9-11/17-19, 4, 5 (MSB) */ -- 1.7.4.15.g7811d -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
