Commit f62a23a7 authored by Rob Herring's avatar Rob Herring Committed by David S. Miller
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net: calxedaxgmac: enable rx cut-thru mode



Enabling RX cut-thru mode yields better performance as received frames
start getting written to memory before a whole frame is received.
Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e36ce6eb
......@@ -264,7 +264,7 @@
#define XGMAC_OMR_FEF 0x00000080 /* Forward Error Frames */
#define XGMAC_OMR_DT 0x00000040 /* Drop TCP/IP csum Errors */
#define XGMAC_OMR_RSF 0x00000020 /* RX FIFO Store and Forward */
#define XGMAC_OMR_RTC 0x00000010 /* RX Threshhold Ctrl */
#define XGMAC_OMR_RTC_256 0x00000018 /* RX Threshhold Ctrl */
#define XGMAC_OMR_RTC_MASK 0x00000018 /* RX Threshhold Ctrl MASK */
/* XGMAC HW Features Register */
......@@ -982,7 +982,8 @@ static int xgmac_hw_init(struct net_device *dev)
writel(value, ioaddr + XGMAC_DMA_CONTROL);
/* Set the HW DMA mode and the COE */
writel(XGMAC_OMR_TSF | XGMAC_OMR_RSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA,
writel(XGMAC_OMR_TSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA |
XGMAC_OMR_RTC_256,
ioaddr + XGMAC_OMR);
/* Reset the MMC counters */
......
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