WiLink 4.x SDIO driver performance and setting

Environment :

Host : Beagleboard B4
Kernel : 2.6.29-omap1
WiFi modile : Muruta WL1251 module

WiLink 4.x from android source code

Modification : Change Host setting from MSM700 to Beagleboard

root@beagleboard:/modules/objs# uname -a
Linux beagleboard 2.6.29-omap1 #35 Wed Aug 19 14:43:34 CST 2009 armv7l unknown

Performance :

root@beagleboard:/modules# ping 192.168.168.254
PING 192.168.168.254 (192.168.168.254): 56 data bytes
64 bytes from 192.168.168.254: seq=0 ttl=64 time=224.671 ms
64 bytes from 192.168.168.254: seq=1 ttl=64 time=43.426 ms
64 bytes from 192.168.168.254: seq=2 ttl=64 time=66.956 ms
64 bytes from 192.168.168.254: seq=3 ttl=64 time=90.668 ms
64 bytes from 192.168.168.254: seq=4 ttl=64 time=12.237 ms
64 bytes from 192.168.168.254: seq=5 ttl=64 time=35.522 ms
64 bytes from 192.168.168.254: seq=6 ttl=64 time=59.387 ms
64 bytes from 192.168.168.254: seq=7 ttl=64 time=82.885 ms
64 bytes from 192.168.168.254: seq=8 ttl=64 time=106.293 ms
64 bytes from 192.168.168.254: seq=9 ttl=64 time=27.679 ms
64 bytes from 192.168.168.254: seq=10 ttl=64 time=51.636 ms


Power consumption : below 10mA.

claud@claud-desktop:~/src/beagleboard/kernel29/compat-wireless$ iperf -c 192.168.168.59 -i 1 -t 10
------------------------------------------------------------
Client connecting to 192.168.168.59, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.168.25 port 36533 connected with 192.168.168.59 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 560 KBytes 4.59 Mbits/sec
[ 3] 1.0- 2.0 sec 856 KBytes 7.01 Mbits/sec
[ 3] 2.0- 3.0 sec 912 KBytes 7.47 Mbits/sec
[ 3] 3.0- 4.0 sec 800 KBytes 6.55 Mbits/sec
[ 3] 4.0- 5.0 sec 920 KBytes 7.54 Mbits/sec
[ 3] 5.0- 6.0 sec 952 KBytes 7.80 Mbits/sec
[ 3] 6.0- 7.0 sec 816 KBytes 6.68 Mbits/sec
[ 3] 7.0- 8.0 sec 912 KBytes 7.47 Mbits/sec
[ 3] 8.0- 9.0 sec 920 KBytes 7.54 Mbits/sec
[ 3] 9.0-10.0 sec 912 KBytes 7.47 Mbits/sec
[ 3] 0.0-10.1 sec 8.37 MBytes 6.95 Mbits/sec

Power consumption : 190~200mA.

The ping round-trip time is high but the power consumption is very low at idle.