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>
diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c
index 2101208..aaa50c0 100644
--- a/drivers/net/wireless/mwifiex/txrx.c
+++ b/drivers/net/wireless/mwifiex/txrx.c
@@ -140,7 +140,9 @@
} 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++) {
