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>
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h
index 24a39b3..37eeb2c 100644
--- a/drivers/net/wireless/mwifiex/pcie.h
+++ b/drivers/net/wireless/mwifiex/pcie.h
@@ -159,4 +159,15 @@
return 0;
}
+static inline int
+mwifiex_pcie_txbd_not_full(struct pcie_service_card *card)
+{
+ if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) !=
+ (card->txbd_rdptr & MWIFIEX_TXBD_MASK)) ||
+ ((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) !=
+ (card->txbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND)))
+ return 1;
+
+ return 0;
+}
#endif /* _MWIFIEX_PCIE_H */