I received a report on freebsd-wireless@ that traffic stopped working.
It seems that although my AX210 is fine with this change, the AX201/22000
hardware/firmware seems to require it.
There's a bit to set in the TX command to force the FW to set the
sequence control. We only set a few flags, and we don't set that.
So, add the sequence number allocation where encryption is performed.
Locally tested:
- AX210, STA mode
- AX201, STA mode