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mwifiex: adjust high/low water marks for tx_pending queue 

This is to fix an issue that the throughput of the higher priority
stream gets dropped when a lower priority stream is present.

Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Marc Yang 2011-05-16 19:17:53 -07:00 committed by John W. Linville
parent 17e8cec875
commit 62a5b7dcee
2 changed files with 5 additions and 2 deletions
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3
drivers/net/wireless/mwifiex/main.h
View File

@ -69,7 +69,8 @@ struct mwifiex_drv_mode {
#define MWIFIEX_TIMER_10S 10000 #define MWIFIEX_TIMER_10S 10000
#define MWIFIEX_TIMER_1S 1000 #define MWIFIEX_TIMER_1S 1000
#define MAX_TX_PENDING 60 #define MAX_TX_PENDING 100
#define LOW_TX_PENDING 80
#define MWIFIEX_UPLD_SIZE (2312) #define MWIFIEX_UPLD_SIZE (2312)

4
drivers/net/wireless/mwifiex/txrx.c
View File

@ -140,7 +140,9 @@ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
} else { } else {
priv->stats.tx_errors++; priv->stats.tx_errors++;
} }
atomic_dec(&adapter->tx_pending);
if (atomic_dec_return(&adapter->tx_pending) >= LOW_TX_PENDING)
goto done;
for (i = 0; i < adapter->priv_num; i++) { for (i = 0; i < adapter->priv_num; i++) {