#17950: LuCI or UCI config not supporting HT(11n) for 5G adhoc mode
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Reporter: ding.guopeng@… | Owner:
Type: defect | Status: new
Priority: normal | Milestone:
Component: luci | Version: Barrier Breaker 14.07
Keywords: LuCI HT 11n adhoc |
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Version: Barrier Breaker rc3
HW: Netgear WNDR3800
I used LuCI to config two adhoc node. The /etc/config/wireless file
content was:
'''
config wifi-device 'radio0'
option type 'mac80211'
option hwmode '11g'
option path 'pci0000:00/0000:00:11.0'
option country 'US'
option channel '6'
option txpower '17'
option htmode 'HT20'
config wifi-device 'radio1'
option type 'mac80211'
option hwmode '11a'
option path 'pci0000:00/0000:00:12.0'
option country 'US'
option txpower '17'
option channel '149'
option htmode 'HT20'
config wifi-iface
option device 'radio0'
option mode 'ap'
option encryption 'none'
option ssid 'OpenWrt88'
option network 'lan'
config wifi-iface
option device 'radio0'
option encryption 'none'
option ssid 'mesh2'
option mode 'adhoc'
option network 'mesh2'
option bssid 'AE:EF:8A:7E:31:44'
config wifi-iface
option device 'radio1'
option encryption 'none'
option ssid 'smesh'
option mode 'adhoc'
option network 'smesh'
'''
These two nodes were placed very near. Then I used iperf to test the
throughput.
The throughput of 2.4G adhoc was 50~60 mbps, but the throughput of 5G
adhoc was only about 22mbps. "iw" reported that the 5G device is "no HT",
but the 2.4G device was ok.
Then I changed the HTmode from 'HT20' to 'HT40'. It had no effect to 5G
adhoc. But the 2.4G adhoc became unreachable from each other.
After that I used "iw" to config nodes with the same parameters. All the
HT was supported. The throughput for 5G adhoc with HT40 was about 100mbps.
So it must be a problem from LuCI or UCI config system. The config system
only support HT20 for 2.4G adhoc and no HT for 5G adhoc at all.
--
Ticket URL: <https://dev.openwrt.org/ticket/17950>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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