Date: Wed, 10 Dec 2014 17:09:30 -0500 From: John Jasen <jjasen@gmail.com> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: netmap versus routing/firewalling and confusion Message-ID: <5488C49A.5070503@gmail.com>
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Is there a complete idiot's guide to netmap, that I've not stumbled upon as of yet? I'm interested in trying to cook up a router/firewall leveraging netmap, but I'm stuck as to how to use it. For example, the cards I'm using, Chelsio 40GbE adapters, create ncxl$number virtual interfaces when netmap is compiled into the kernel, but these appear to only make things easier when using netmap-enabled code (such as pkt-gen). I've read some of the postings and papers on netmap and vale, especially interesting in netmap-ipfw, but I get lost in the examples using vale. IE: it seems I can use vale to create virtual ethernet devices, but I've not figured out how to attach physical ones to it. Any pointers, or free gifts of clue kindly appreciated.
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