On Wed, Apr 23, 2025 at 11:42 AM Bjoern A. Zeeb <b...@freebsd.org> wrote:

> XB!
>
> Hello everyone,
>
> I cmmitted TKIP support for LinuxKPI to main (will MFC in a few days).
> The needed net80211 change went in as well (I think yesterday?).
>
> If you want to try it you have to enable it in loader.conf setting:
>         compat.linuxkpi.80211.tkip=1
>
> The reason for this is that I belive that rtw88/rtw89 would need further
> support in mac80211 and I don't want to break them currently.
> Furthermore I don't want people to encourage using it anymore if
> avoidable.
>
> I could only test on legacy (11g/11a) as (a) I had to force TKIP on on
> my APs and (b) if TKIP was used I was not allowed to associate with HT/VHT
> anymore.  I hope the APs/Routers for the people waiting for this will
> allow them at least on HT (or VHT) depending on age.
>
> I made sure that at least the Gtk (Group Temporal Key) update worked for
> me.
>
> Please report back how this goes!
>
> Lots of joy,
> Bjoern


Thanks for getting this out. Seems to be working fine for my Alder Lake
iwlwifi.

That said, enabling TKIP did trigger some unexpected changes... unexpected,
but not bad.
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=0
ether 70:a8:d3:df:3c:de
inet 192.168.1.5 netmask 0xffffff00 broadcast 192.168.1.255
groups: wlan
ssid babcom channel 11 (2462 MHz 11g ht/20) bssid c0:89:ab:60:ae:68
regdomain FCC country US authmode WPA2/802.11i privacy ON
deftxkey UNDEF TKIP 2:128-bit txpower 30 bmiss 7 scanvalid 60
protmode CTS -ampdu ampdulimit 64k ampdudensity 16 -amsdutx amsdurx
shortgi -ldpctx ldpcrx -uapsd wme roaming MANUAL
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
status: associated
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

As you can see, I now have mode 11ng. Ths appeared when I restarted with
compat.linuxkpi.80211.tkip=1 buth without enabling hardware crypto. If I
look at the sysctl, it
shows '0'. No AC, but my router does not support it, so no surprise. I did
expect to see 5M as
the router supports it and "ifconfig wlan0 list aps" claims that it is 54M,
but on channel 11. How can
channel 11 run 54M?

In any case, I will be moving tomorrow and will be on Comcast with a newer
router. I assume
that this will provide CCMP, IPv6, and generally work better. I see other
network issues that also
apply to my phone, and I suspect Frontier getting minimal maintenance until
the Verizon acquisition
is completed. My upload speed is 860M while download is only 40M which is
really weird. This is both
on my laptop and my phone.

As always, thanks to you and the Foundation!
-- 
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkober...@gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683

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