From 6e909283cb344e32aa8adb4a4c169512d8e5fd27 Mon Sep 17 00:00:00 2001 From: Nimrod Andy Date: Thu, 12 Jun 2014 08:16:22 +0800 Subject: net: fec: Add Scatter/gather support Add Scatter/gather support for FEC. This feature allows to improve outbound throughput performance. Tested on imx6dl sabresd board: Running iperf tests shows a 55.4% improvement. $ ethtool -K eth0 sg off $ iperf -c 10.192.242.167 -t 3 & [ 3] local 10.192.242.108 port 52618 connected with 10.192.242.167 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 3.0 sec 99.5 MBytes 278 Mbits/sec $ ethtool -K eth0 sg on $ iperf -c 10.192.242.167 -t 3 & [ 3] local 10.192.242.108 port 52617 connected with 10.192.242.167 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 3.0 sec 154 MBytes 432 Mbits/sec CC: Li Frank Signed-off-by: Fugang Duan Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/fec.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/ethernet/freescale/fec.h') diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 5ffd32308b9c..e7ce14d8d3c3 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -221,7 +221,7 @@ struct bufdesc_ex { #define BD_ENET_TX_RCMASK ((ushort)0x003c) #define BD_ENET_TX_UN ((ushort)0x0002) #define BD_ENET_TX_CSL ((ushort)0x0001) -#define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ +#define BD_ENET_TX_STATS ((ushort)0x0fff) /* All status bits */ /*enhanced buffer descriptor control/status used by Ethernet transmit*/ #define BD_ENET_TX_INT 0x40000000 -- cgit