Date: Mon, 09 Mar 2009 15:41:48 +0000 From: Bruce Simpson <bms@incunabulum.net> To: pyunyh@gmail.com Cc: stable@freebsd.org, Beat Siegenthaler <beat.siegenthaler@beatsnet.com> Subject: Re: fxp unusable after make world Message-ID: <49B538BC.3080108@incunabulum.net> In-Reply-To: <20090309000610.GA5039@michelle.cdnetworks.co.kr> References: <49B1AC25.3000700@onetel.com> <27998819.871236382003017.JavaMail.HALO$@halo> <1d001f850903061814k2577f3ccs94be86bcc87b9efd@mail.gmail.com> <49B38AEF.8070909@beatsnet.com> <20090308093653.GD1531@michelle.cdnetworks.co.kr> <49B3FAA3.9010302@beatsnet.com> <20090309000610.GA5039@michelle.cdnetworks.co.kr>
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Pyun YongHyeon wrote: > Your controller looks like i82550. 82550/82551 has nice hardware > cryptographic capability for IPSec acceleration but it's not used > at all under FreeBSD. Intel's open source developer manual didn't > even mention the existence of cryptographic capability. > I had a crack at this about 5-6 years ago. Now that the descriptor ring format is fairly well known for fxp, reverse engineering is feasible, as the setup uses the normal NDIS hooks which Microsoft added for offloading cryptographic operations. Those *are* documented. Making it work is another matter entirely...
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