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

View file

@ -69,7 +69,8 @@ struct mwifiex_drv_mode {
#define MWIFIEX_TIMER_10S 10000
#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)

View file

@ -140,7 +140,9 @@ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
} else {
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++) {