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| 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/dma | |
| parent | 55d0218ae2e23eb8a4da1f277eba53ba4edb9a26 (diff) | |
| download | linux-6e909283cb344e32aa8adb4a4c169512d8e5fd27.tar.bz2 | |
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/dma')
0 files changed, 0 insertions, 0 deletions