athp
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hw_scan: pass down information
Pass probereq information elements, channels, and SSID down to the firmware in hw_scan. This would go along with a base system change in FreeBSD currently posted here; https://reviews.freebsd.org/D26545
I extracted this from something I had worked on a while ago.
Sponsored by: Rubicon Communications, LLC (d/b/a "Netgate")
I am not (yet) entirely happy with the base system and these changes but if I don't misunderstand the bits, they should do what we need. The reason for the base system change is the length limit that seems to exist in what the FW will accept according to the HAL code. [as mentioned, this is still a bit hazy in my memory as I had worked on this ages ago]