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| author | Frank Li <Frank.Li@freescale.com> | 2013-01-16 16:55:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-18 14:16:11 -0500 |
| commit | baa70a5c48a01ea02e32270eb96eb19bd3b76667 (patch) | |
| tree | 723639105a31fa1abb31261e17108b38cdd85178 /net/ieee802154/6lowpan.c | |
| parent | 8b5b6f5413e97c3e8bafcdd67553d508f4f698cd (diff) | |
| download | linux-exynos-baa70a5c48a01ea02e32270eb96eb19bd3b76667.tar.gz linux-exynos-baa70a5c48a01ea02e32270eb96eb19bd3b76667.tar.bz2 linux-exynos-baa70a5c48a01ea02e32270eb96eb19bd3b76667.zip | |
net: fec: enable pause frame to improve rx prefomance for 1G network
The limition of imx6 internal bus cause fec can't achieve 1G perfomance.
There will be many packages lost because FIFO over run.
This patch enable pause frame flow control.
Before this patch
iperf -s -i 1
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 10.192.242.153 port 5001 connected with 10.192.242.94 port 49773
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 6.35 MBytes 53.3 Mbits/sec
[ 4] 1.0- 2.0 sec 3.39 MBytes 28.5 Mbits/sec
[ 4] 2.0- 3.0 sec 2.63 MBytes 22.1 Mbits/sec
[ 4] 3.0- 4.0 sec 1.10 MBytes 9.23 Mbits/sec
ifconfig
RX packets:46195 errors:1859 dropped:1 overruns:1859 frame:1859
After this patch
iperf -s -i 1
[ 4] local 10.192.242.153 port 5001 connected with 10.192.242.94 port 49757
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 49.8 MBytes 418 Mbits/sec
[ 4] 1.0- 2.0 sec 50.1 MBytes 420 Mbits/sec
[ 4] 2.0- 3.0 sec 47.5 MBytes 399 Mbits/sec
[ 4] 3.0- 4.0 sec 45.9 MBytes 385 Mbits/sec
[ 4] 4.0- 5.0 sec 44.8 MBytes 376 Mbits/sec
ifconfig
RX packets:2348454 errors:0 dropped:16 overruns:0 frame:0
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154/6lowpan.c')
0 files changed, 0 insertions, 0 deletions