Re: Watch out for 850Mbit/s WiFi
- Reply: Jonathan Vasquez : "Re: Watch out for 850Mbit/s WiFi"
- In reply to: Bjoern A. Zeeb: "Watch out for 850Mbit/s WiFi"
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Date: Fri, 11 Apr 2025 01:44:28 UTC
NIIIIIIIICEEEEEEEEEEEEEEEE :-) -adrian On Thu, 10 Apr 2025 at 18:43, Bjoern A. Zeeb <bz@freebsd.org> wrote: > Hi, > > I had a bit of fun tonight after all and figured out what prevented me > from enabling VHT80P80 and VHT160 since January for testing. Patches > to come to review tomorrow (well that is today here). Turns out I cannot > test VHT80P80 currently. > > This is likely the first VHT/160 assoc on FreeBSD so I thought I'd send > the email. > > And I ran the simple silly iperf3 test. > Not much more than VHT80 but I am also sure I am starting to hit other > limits in this test setup. It goes from the AX210 in a bhyve instance > to AP to a small 4 port switch and back into em0 on the same laptop > just the base system running the iperf3 server. > > Down there is UDP TX from the wifi set to 960Mbit/s target rate. > Don't expect that with single stream TCP. Yet another thing to debug ;) > > Keep in mind we are still copying the full frame incl. data from > skb to mbuf or vice versa depending on direction and other fun bits > to optimize one day. I guess I'll try to find an AP supporting 11BE > and SFP+ for 10G DAC or fiber for christmas this year... until then it'll > be other things to get us stable first. > > Try it our yourself please -- even with VHT80! > > Lots of joy > Bjoern > > > # ifconfig -v wlan0 > wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=0 > ether 74:13:ea:6e:de:c1 > inet6 fe80::7613:eaff:fe6e:dec1%wlan0 prefixlen 64 scopeid 0x3 > inet6 .... > groups: wlan > ssid abc123 channel 40 (5200 MHz 11a vht/160) bssid > 9a:9d:7e:76:6f:fa > regdomain ETSI country DE anywhere -ecm authmode WPA2/802.11i -wps > -tsn privacy ON deftxkey UNDEF > AES-CCM 2:128-bit > powersavemode OFF powersavesleep 100 txpower 22 txpowmax 50.0 > -dotd > rtsthreshold 2346 fragthreshold 2346 bmiss 7 > 11a ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > 11b ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > 11g ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > 11na ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > 11ng ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > 11ac ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > scanvalid 60 -bgscan bgscanintvl 300 bgscanidle 250 > roam:11a rssi 7dBm rate 12 Mb/s > roam:11b rssi 7dBm rate 1 Mb/s > roam:11g rssi 7dBm rate 5 Mb/s > roam:11na rssi 7dBm MCS 1 > roam:11ng rssi 7dBm MCS 1 > roam:11ac rssi 7dBm MCS 1 > -pureg protmode CTS ht htcompat -ampdutx ampdurx ampdulimit 64k > ampdudensity NA -amsdutx amsdurx shortgi htprotmode RTSCTS -puren > -smps -rifs stbc -ldpctx ldpcrx -uapsd vht vht40 vht80 vht160 > -vht80p80 wme -burst -dwds roaming MANUAL bintval 100 > AC_BE cwmin 4 cwmax 10 aifs 3 txopLimit 0 -acm ack > cwmin 0 cwmax 0 aifs 0 txopLimit 0 -acm > AC_BK cwmin 4 cwmax 10 aifs 7 txopLimit 0 -acm ack > cwmin 4 cwmax 10 aifs 7 txopLimit 0 -acm > AC_VI cwmin 3 cwmax 4 aifs 2 txopLimit 94 -acm ack > cwmin 0 cwmax 0 aifs 0 txopLimit 0 -acm > AC_VO cwmin 2 cwmax 3 aifs 2 txopLimit 47 -acm ack > cwmin 0 cwmax 0 aifs 0 txopLimit 0 -acm > parent interface: iwlwifi0 > media: IEEE 802.11 Wireless Ethernet VHT mode 11ac > status: associated > nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> > drivername: wlan0 > > # sysctl compat.linuxkpi.80211.wlan0 > compat.linuxkpi.80211.wlan0.dump_stas: > lsta 0xfffff800019b6800 sta 0xfffff800019b68c0 added_to_drv 1 > nl80211_sta_info (valid fields) 0x00004001<BEACON_RX,TX_BITRATE> > connected_time 0 inactive_time 0 > rx_bytes 0 rx_packets 0 rx_dropped_misc 0 > rx_duration 0 rx_beacon 0 rx_beacon_signal_avg 0 > tx_bytes 0 tx_packets 0 tx_failed 0 > tx_duration 0 tx_retries 0 > signal 0 signal_avg 0 ack_signal 0 avg_ack_signal 0 > generation 0 assoc_req_ies_len 0 chains 0 > rxrate: flags 0 bw 0(20) legacy 0 kbit/s mcs 0 nss 0 > he_dcm 0 he_gi 0 he_ru_alloc 0 eht_gi 0 > txrate: flags 6<VHT_MCS,SGI> bw 5(160) legacy 0 kbit/s mcs 9 nss 2 > he_dcm 0 he_gi 0 he_ru_alloc 0 eht_gi 0 > > Server output: > ----------------------------------------------------------- > Server listening on 5201 (test #18) > ----------------------------------------------------------- > Accepted connection from fe80::7613:eaff:fe6e:dec1, port 59751 > [ 5] local fe80::c665:16ff:fef0:5da port 5201 connected to > fe80::7613:eaff:fe6e:dec1 port 43081 > [ ID] Interval Transfer Bitrate Jitter Lost/Total > Datagrams > [ 5] 0.00-1.00 sec 101 MBytes 844 Mbits/sec 0.018 ms 0/73529 > (0%) > [ 5] 1.00-2.00 sec 103 MBytes 866 Mbits/sec 0.017 ms 223/75199 > (0.3%) > [ 5] 2.00-3.00 sec 104 MBytes 870 Mbits/sec 0.023 ms 0/75572 > (0%) > [ 5] 3.00-4.00 sec 104 MBytes 868 Mbits/sec 0.023 ms 0/75515 > (0%) > [ 5] 4.00-5.00 sec 103 MBytes 868 Mbits/sec 0.018 ms 0/75137 > (0%) > [ 5] 5.00-6.00 sec 102 MBytes 855 Mbits/sec 0.018 ms 214/74521 > (0.29%) > [ 5] 6.00-7.00 sec 104 MBytes 867 Mbits/sec 0.015 ms 0/75371 > (0%) > [ 5] 7.00-8.00 sec 103 MBytes 867 Mbits/sec 0.016 ms 0/75074 > (0%) > [ 5] 8.00-9.00 sec 104 MBytes 867 Mbits/sec 0.020 ms 0/75475 > (0%) > [ 5] 9.00-10.00 sec 103 MBytes 867 Mbits/sec 0.017 ms 0/75057 > (0%) > [ 5] 10.00-11.00 sec 102 MBytes 855 Mbits/sec 0.025 ms 0/74420 > (0%) > [ 5] 11.00-11.10 sec 9.94 MBytes 863 Mbits/sec 0.016 ms 0/7242 (0%) > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate Jitter Lost/Total > Datagrams > [ 5] 0.00-11.10 sec 1.12 GBytes 863 Mbits/sec 0.016 ms 437/832112 > (0.053%) receiver > > -- > Bjoern A. Zeeb r15:7 > >