MQmaker WiTi / mt76x2e / 2.4 GHz / no minstrel sampling
Username: Bastian Bittorf
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=760
very bad performance for all neighbours on r3900
cat /sys/kernel/debug/ieee80211/phy1/netdev:wlan1/stations/a0:f3:c1:ce:56:80/rc_stats
best ____________rate__________ ________statistics________ _____last____ ______sum-of________
mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [retry|suc|att] [#success | #attempts] CCK LP 1 1.0M 120 10548 0.0 0.0 0.0 0.0 0 0 0 0 0 CCK LP 1 2.0M 121 5476 0.0 0.0 0.0 0.0 0 0 0 0 0 CCK LP 1 5.5M 122 2411 2.4 0.0 0.0 0.0 0 0 0 0 0 CCK LP 1 11.0M 123 1535 4.8 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 ABCDP MCS0 0 1477 4.8 0.0 0.0 0.0 1 0 0 0 0 HT20 LGI 1 MCS1 1 739 9.7 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS2 2 493 14.6 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS3 3 369 17.0 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS4 4 246 24.4 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS5 5 185 29.2 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS6 6 164 31.7 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 1 MCS7 7 148 34.1 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS8 10 739 9.7 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS9 11 369 17.0 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS10 12 246 24.4 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS11 13 185 29.2 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS12 14 123 36.6 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS13 15 93 43.9 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS14 16 82 46.3 0.0 0.0 0.0 0 0 0 0 0 HT20 LGI 2 MCS15 17 74 48.8 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS0 30 1329 4.8 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS1 31 665 9.7 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS2 32 443 14.6 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS3 33 332 19.5 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS4 34 222 26.8 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS5 35 166 31.7 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS6 36 148 34.1 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 1 MCS7 37 133 36.6 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS8 40 665 9.7 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS9 41 332 19.5 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS10 42 222 26.8 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS11 43 166 31.7 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS12 44 111 39.0 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS13 45 83 46.3 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS14 46 74 48.8 0.0 0.0 0.0 0 0 0 0 0 HT20 SGI 2 MCS15 47 67 51.2 0.0 0.0 0.0 0 0 0 0 0
Total packet count:: ideal 7625 lookaround 407 Average # of aggregated frames per A-MPDU: 1.0
root@witi7:~ :) arping -I wlan1 10.63.102.195 ARPING to 10.63.102.195 from 10.63.140.195 via wlan1 Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 491.552ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 600.276ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 747.811ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 748.426ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 511.603ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 403.993ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 601.602ms Unicast reply from 10.63.102.195 [a0:f3:c1:ce:56:80] 371.090ms
root@witi7:~ :) ping -c1 10.63.102.195 PING 10.63.102.195 (10.63.102.195): 56 data bytes 64 bytes from 10.63.102.195: seq=0 ttl=64 time=2414.528 ms
--- 10.63.102.195 ping statistics --- 1 packets transmitted, 1 packets received, 0% packet loss round-trip min/avg/max = 2414.528/2414.528/2414.528 ms
root@witi7:~ :) iw dev wlan1 station get a0:f3:c1:ce:56:80 Station a0:f3:c1:ce:56:80 (on wlan1) inactive time: 150 ms rx bytes: 32573998 rx packets: 63413 tx bytes: 1038834 tx packets: 8318 tx retries: 133088 tx failed: 8318 rx drop misc: 30946 signal: -60 [-67, -60] dBm signal avg: -59 [-67, -59] dBm tx bitrate: 6.5 MBit/s MCS 0 rx bitrate: 6.5 MBit/s MCS 0 authorized: yes authenticated: yes associated: yes preamble: long WMM/WME: yes MFP: no TDLS peer: no DTIM period: 0 beacon interval:250 connected time: 8652 seconds
uci show wireless (2.4ghz)
wireless.radio1=wifi-device wireless.radio1.type='mac80211' wireless.radio1.country='US' wireless.radio1.frag='off' wireless.radio1.path='pci0000:00/0000:00:01.0/0000:02:00.0' wireless.radio1.chanbw='20' wireless.radio1.channel='5' wireless.radio1.distance='100' wireless.radio1.beacon_int='250' wireless.radio1.hwmode='11n' wireless.radio1.htmode='HT20' wireless.radio1.txpower='23'
wireless.@wifi-iface[2]=wifi-iface wireless.@wifi-iface[2].device='radio1' wireless.@wifi-iface[2].network='wlanadhocRADIO1' wireless.@wifi-iface[2].mode='adhoc' wireless.@wifi-iface[2].mcast_rate='6000' wireless.@wifi-iface[2].macaddr='8c:bc:c0:43:c9:09' wireless.@wifi-iface[2].bssid='02:ca:ff:ee:ba:be' wireless.@wifi-iface[2].ssid='ffintern.2GHz'
wireless.@wifi-iface[3]=wifi-iface wireless.@wifi-iface[3].device='radio1' wireless.@wifi-iface[3].network='wlanRADIO1' wireless.@wifi-iface[3].encryption='none' wireless.@wifi-iface[3].mode='ap' wireless.@wifi-iface[3].macaddr='8e:bc:c0:43:c9:0a' wireless.@wifi-iface[3].max_inactivity='10' wireless.@wifi-iface[3].ssid='weimar.freifunk.net' wireless.@wifi-iface[3].disassoc_low_ack='1'