As far as I know, the only maker of HPNA2 chips is Broadcom. They have
consistently refused to release enough information to allow Linux
development of drivers for HPNA2 NICs.
I went through all this a couple of months ago, unfortunately.
And FWIW, in a Windows-only environment, HPNA2 seems to work remarkably
well. Throughput in my home was between 7 and 10Mbps, before the lack
of Linux support caused me spend a weekend stringing CAT-5 all over the
place so that I could convert all my networking to Ether.
Doc Evans
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