I had the opportunity to test the connection with another router (Asus
RT-AX56U) today and it negotiated with WPA2-PSK, PMF default on, on 5
GHz. I ran a speedtest and got 20 Mbps both up/down.
I then ran the `nmcli connection modify <SSID2> wifi-sec.pmf 1` and
after reconnecting it connected with PMF disabled. (I think the reason
it worked this time is because of WPA2-PSK -- there's probably some way
of making it work with WPA3 APs and `nmcli` but I don't know the correct
commands to give in order to make that happen.) The speedtest increased
to 100 Mbps both up/down, and that's the WAN limit -- I'm pretty sure if
I ran a iperf3 inside the LAN it would've been much faster.
I think the PMF implementation in ath10k, at least for the QCA6174 chip,
has some issues as it has consistently worsened performance on two out
of two sample APs I've tested it on.
- Eric
