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ath5k: fixing retries in ath5k_hw_setup_4word_tx_desc

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The rate control algorithm, default is Minstrel for ath5k, determines
the number of retries to use for each rate.  However, there exists in
ath5k_hw_setup_4word_tx_desc (which is called for AR5212 like devices)
a set number of retries defined by AR5K_TUNE_HWTXTRIES.  The set
number of tries is added to the tx_tries0 variable setup by the rate
control algorithm.  This changes the number of retries the rate
control algorithm considers necessary.  By removing the
AR5K_TUNE_HWTXTRIES from the retry calculation the rate control
algorithm is given control over the number of retries.

Signed-off-by: Andrew Blaich <ablaich@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Andrew Blaich 2010-03-01 10:30:40 -05:00 committed by John W. Linville
parent d969847c22
commit e9f08381cb
2 changed files with 1 additions and 2 deletions
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1
drivers/net/wireless/ath/ath5k/ath5k.h
View File

@ -202,7 +202,6 @@
#define AR5K_TUNE_MAX_TXPOWER 63
#define AR5K_TUNE_DEFAULT_TXPOWER 25
#define AR5K_TUNE_TPC_TXPOWER false
#define AR5K_TUNE_HWTXTRIES 4
#define AR5K_INIT_CARR_SENSE_EN 1

2
drivers/net/wireless/ath/ath5k/desc.c
View File

@ -231,7 +231,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
AR5K_REG_SM(antenna_mode, AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT);
tx_ctl->tx_control_1 |= AR5K_REG_SM(type,
AR5K_4W_TX_DESC_CTL1_FRAME_TYPE);
tx_ctl->tx_control_2 = AR5K_REG_SM(tx_tries0 + AR5K_TUNE_HWTXTRIES,
tx_ctl->tx_control_2 = AR5K_REG_SM(tx_tries0,
AR5K_4W_TX_DESC_CTL2_XMIT_TRIES0);
tx_ctl->tx_control_3 = tx_rate0 & AR5K_4W_TX_DESC_CTL3_XMIT_RATE0;