Increase argv buffer from _POSIX2_LINE_MAX to _POSIX_ARG_MAX.
This better handles matching commands with long arguments. Note
that it is still possible for a command to have command line arguments
larger than _POSIX_ARG_MAX, but this should be enough in most cases.
From Mikolaj Kucharski
On OpenBSD, recv*msg(2) can return EPERM if the ancillary data from
the other side contains a file descriptor type we don't like. We
have some protection against ridiculous types, and when running in pledge
it gets even more strict.
ok kettenis
Add support Intel AX211 BZ MACs paired WiFi 6e RFs to iwx(4).
These devices are found in recent laptops using Intel AX211 WiFi 6e.
Only WiFi 6e, not WiFi 7, which will probably need a separate driver
as the Linux kernel does (iwlmld).
Firmware for BZ devices is available in fw_update.
There is still an unsolved problem with Tx performance. As soon as Tx
aggregation is used the device stalls and stops sending and receiving.
Tx performance is stable with block ack disabled, i.e. in mode 11a/b/g.
Help with figuring out the root cause of this would be appreciated.
I would have preferred to commit a fully working version but have
already spent quite a lot of time trying to find this last bug. It is
time to put this in anyway and hope the issue will be fixed soon.
Thanks to all involved for the support with review and testing of the
diffs which led up to this, to Johannes Berg for help with solving
various fatal firmware errors, to denis@'s company for making it
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handle missed beacons notification sent by newer iwx(4) firmware
Newer firmware uses a new missed-beacons notification code in the
MAC_CONF group, but otherwise behaves as previously.
