Date: Wed, 10 Oct 2012 16:49:40 -0400 From: George Neville-Neil <gnn@neville-neil.com> To: net@freebsd.org Subject: SFF 8472, aka what optic is plugged into my network card... Message-ID: <D426B679-E105-4072-939C-558902A96F0A@neville-neil.com>
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Howdy, Modern 10G NICs have the ability to have different types of cables = plugged into them. There is a standard for the values contained in the cables which can be = read here: = http://www.10gtek.com/templates/wzten/pdf/SFF-8472-(Diagnostic%20Monitorin= g%20Interface).pdf It's probably the case that several NIC cards support changeable optics = on FreeBSD at this point. I know that Chelsio T4 cards do. I would like to put proper definitions = from this document into our source code. Does anyone have a preference for where and how = this is done? I figure something like net/sff8472.h would be the way to go. Comments? Best, George
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