From: Nimrod Andy Date: Thu, 12 Jun 2014 00:16:22 +0000 (+0800) Subject: net: fec: Add Scatter/gather support X-Git-Tag: omap-for-v3.16/fixes-against-rc1~36^2~2^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e909283cb344e32aa8adb4a4c169512d8e5fd27;p=pandora-kernel.git 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 --- Reading git-diff-tree failed