Date: Mon, 22 Oct 2007 11:16:57 +1000 From: Antony Mawer <fbsd-net@mawer.org> To: Len Gross <sandiegobiker@gmail.com> Cc: freebsd-net@freebsd.org, Julian Elischer <julian@elischer.org> Subject: Re: Disable Exponential Backoff (retry) on Ethernet? Message-ID: <471BFA09.8060504@mawer.org> In-Reply-To: <27cb3ada0710201647y5104bd1fge2540c5fc1e2b49c@mail.gmail.com> References: <27cb3ada0710172051t536a4d11pfdfdb079ebd98932@mail.gmail.com> <20071019224155.GI20308@server.vk2pj.dyndns.org> <20071020183000.E8153@knop-beagle.kn.op.dlr.de> <27cb3ada0710201108l5e717fdbhc9fab610cb2a047c@mail.gmail.com> <471A6B72.2030305@elischer.org> <27cb3ada0710201647y5104bd1fge2540c5fc1e2b49c@mail.gmail.com>
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On 21/10/2007 9:47 AM, Len Gross wrote: > May have found what I need. > > lancereg.h references an AMD Ethernet chip that appears to have a register > you > can set to enable/disable retry. So, I would just have to find some > NICs that use this chip. A task for later in the project. > > Thanks to all for the discussion. The default NIC in VMware Workstation emulates this NIC using the lnc driver - I do not know how accurate the emulation is (eg. does the emulated NIC support this register), but it may provide another avenue to explore for your testing... --Antony
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