From 62a5b7dcee00c8e64e61ed98541c95fd38583116 Mon Sep 17 00:00:00 2001 From: Marc Yang Date: Mon, 16 May 2011 19:17:53 -0700 Subject: 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 Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/txrx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/mwifiex/txrx.c') diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c index 210120889dfe..aaa50c074196 100644 --- a/drivers/net/wireless/mwifiex/txrx.c +++ b/drivers/net/wireless/mwifiex/txrx.c @@ -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++) { -- cgit v1.2.1