diff options
| author | Nimrod Andy <B38611@freescale.com> | 2014-06-12 08:16:22 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-12 11:01:57 -0700 |
| commit | 6e909283cb344e32aa8adb4a4c169512d8e5fd27 (patch) | |
| tree | f13c260b9dd44bf6ebd4cfb39087715d54cb2189 /drivers/net/ethernet/freescale/fec.h | |
| parent | 55d0218ae2e23eb8a4da1f277eba53ba4edb9a26 (diff) | |
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 <B20596@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 2 |
1 files changed, 1 insertions, 1 deletions
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 |