#18297: ath9k / longshot / minstrel shows G-rates, but phy send N-rates
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Reporter: bittorf@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Keywords: |
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both are Ubiquiti Bullet 5M with r43102
{{{
root@f36-longshot-schlacht:~ iw dev wlan0 station dump
Station dc:9f:db:0c:c8:aa (on wlan0)
inactive time: 90 ms
rx bytes: 10502254
rx packets: 24659
tx bytes: 37081420
tx packets: 32335
tx retries: 2575
tx failed: 0
signal: -77 [-77] dBm
signal avg: -76 [-76] dBm
tx bitrate: 24.0 MBit/s
rx bitrate: 26.0 MBit/s MCS 3
authorized: yes
authenticated: yes
preamble: long
WMM/WME: no
MFP: no
TDLS peer: no
root@f36-longshot-schlacht:~ cat
/sys/kernel/debug/ieee80211/phy0/netdev:wlan0/stations/dc:9f:db:0c:c8:aa/rc_stats
rate throughput ewma prob this prob this succ/attempt success
attempts
CD 6 6.0 99.9 100.0 0( 0) 205
232
B P 12 11.8 99.9 100.0 0( 0) 260
298
A 24 20.1 88.8 81.3 35( 43) 40344
43587
Total packet count:: ideal 726 lookaround 82
root@f36-longshot-schlacht:~ iw dev wlan0 info
Interface wlan0
ifindex 9
wdev 0x4
addr dc:9f:db:02:b8:ee
ssid f36-schlacht
type IBSS
wiphy 0
channel 100 (5500 MHz), width: 20 MHz, center1: 5500 MHz
root@f36-longshot-schlacht:~ uci show wireless
wireless.radio0=wifi-device
wireless.radio0.type=mac80211
wireless.radio0.country=US
wireless.radio0.frag=off
wireless.radio0.noscan=1
wireless.radio0.distance=360
wireless.radio0.path=pci0000:00/0000:00:00.0
wireless.radio0.hwmode=11na
wireless.radio0.ht_capab=SHORT-GI-40 TX-STBC RX-STBC1 DSSS_CCK-40
wireless.radio0.htmode=HT20
wireless.radio0.beacon_int=5000
wireless.radio0.txpower=19
wireless.radio0.longshot=f36-schlacht
wireless.radio0.channel=100
wireless.radio0.chanbw=20
wireless.@wifi-iface[0]=wifi-iface
wireless.@wifi-iface[0].device=radio0
wireless.@wifi-iface[0].network=wlan
wireless.@wifi-iface[0].mode=adhoc
wireless.@wifi-iface[0].mcast_rate=6000
wireless.@wifi-iface[0].ssid=f36-schlacht
wireless.@wifi-iface[0].bssid=02:be:ef:20:01:00
}}}
the other side:
{{{
root@AlexLaterne:~ iw dev wlan0 station dump
Station dc:9f:db:02:b8:ee (on wlan0)
inactive time: 10 ms
rx bytes: 68809297
rx packets: 55876
tx bytes: 11967000
tx packets: 37954
tx retries: 2816
tx failed: 14
signal: -78 [-78] dBm
signal avg: -77 [-77] dBm
tx bitrate: 26.0 MBit/s MCS 3
rx bitrate: 26.0 MBit/s MCS 3
authorized: yes
authenticated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
root@AlexLaterne:~ cat
/sys/kernel/debug/ieee80211/phy0/netdev:wlan0/stations/dc:9f:db:02:b8:ee/rc_stats
type rate throughput ewma prob this prob retry this
succ/attempt success attempts
HT20/LGI D MCS0 5.6 100.0 100.0 3
0( 0) 2 2
HT20/LGI C MCS1 10.5 100.0 100.0 4
0( 0) 15 15
HT20/LGI B MCS2 14.8 99.9 100.0 5
0( 0) 1893 1901
HT20/LGI A P MCS3 18.6 99.9 100.0 5
2( 2) 35725 36824
HT20/LGI MCS4 0.0 1.8 0.0 5
0( 0) 554 1738
HT20/LGI MCS5 0.0 0.0 0.0 0
0( 0) 0 390
HT20/LGI MCS6 0.0 0.0 0.0 0
0( 0) 0 390
HT20/LGI MCS7 0.0 0.0 0.0 0
0( 0) 0 391
Total packet count:: ideal 36660 lookaround 1541
Average A-MPDU length: 1.0
root@AlexLaterne:~ iw dev wlan0 info
Interface wlan0
ifindex 7
wdev 0x2
addr dc:9f:db:0c:c8:aa
ssid f36-schlacht
type IBSS
wiphy 0
channel 100 (5500 MHz), width: 20 MHz, center1: 5500 MHz
root@AlexLaterne:~ uci show wireless
wireless.radio0=wifi-device
wireless.radio0.type=mac80211
wireless.radio0.country=US
wireless.radio0.frag=off
wireless.radio0.distance=360
wireless.radio0.path=pci0000:00/0000:00:00.0
wireless.radio0.hwmode=11na
wireless.radio0.htmode=HT20
wireless.radio0.ht_capab=SHORT-GI-40 TX-STBC RX-STBC1 DSSS_CCK-40
wireless.radio0.beacon_int=5000
wireless.radio0.txpower=19
wireless.radio0.longshot=f36-schlacht
wireless.radio0.chanbw=20
wireless.radio0.channel=100
wireless.@wifi-iface[0]=wifi-iface
wireless.@wifi-iface[0].device=radio0
wireless.@wifi-iface[0].network=wlanadhoc
wireless.@wifi-iface[0].mode=adhoc
wireless.@wifi-iface[0].mcast_rate=6000
wireless.@wifi-iface[0].ssid=f36-schlacht
wireless.@wifi-iface[0].bssid=02:be:ef:20:01:00
wireless.@wifi-iface[1]=wifi-iface
wireless.@wifi-iface[1].device=radio0
wireless.@wifi-iface[1].network=wlan
wireless.@wifi-iface[1].encryption=none
wireless.@wifi-iface[1].mode=ap
wireless.@wifi-iface[1].ssid=Sommerfest-670a
wireless.@wifi-iface[1].disabled=1
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/18297>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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