mwifiex: use map/unmap APIs in TX and RX to reduce memcpy

This patch is an enhacement to mwifiex_pcie driver to use
map/unmap PCI memory APIs. This reduces one memcpy each in TX
path and RX path, and enhances throughput.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index 68d52cfc1ebd..af8fe6352eed 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -278,14 +278,16 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
                 dev_dbg(adapter->dev, "data: -EBUSY is returned\n");
                 break;
         case -1:
-                adapter->data_sent = false;
+                if (adapter->iface_type != MWIFIEX_PCIE)
+                        adapter->data_sent = false;
                 dev_err(adapter->dev, "%s: host_to_card failed: %#x\n",
                         __func__, ret);
                 adapter->dbg.num_tx_host_to_card_failure++;
                 mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
                 return 0;
         case -EINPROGRESS:
-                adapter->data_sent = false;
+                if (adapter->iface_type != MWIFIEX_PCIE)
+                        adapter->data_sent = false;
                 break;
         case 0:
                 mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);