On Tue, 3 Aug 2010, Vincent Hoffman wrote:
> Fasinating stuff. I read http://www.ntop.org/blog/?p=86 to mean that the
> newer intel NICs had similar capabilities to the Chelsio T3, is it just a
> lack of driver and control support in FreeBSD or did I misunderstand?
The Intel cards I've looked at often have quite small tables -- appropriate
for directing packets for virtualization purposes (i.e., a few MACs to
specific CPUs), and fine for distributing using RSS, but not able to direct
tens of thousands of connections individually by 4-tuple to specific queues.
It wouldn't surprise me if newer generations of Intel cards support similar
features.
If you're interested in high-performance packet capture to userspace, this
GSoC project might be interesting though:
http://wiki.freebsd.org/AlexandreFiveg/SOC2010AlexandreFive
Robert
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