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From: Ben Hutchings <bhutchings@solarflare.com>
To: Takuya ASADA <syuu@dokukino.com>
Date: Mon, 05 Sep 2011 12:21:12 +0100
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Cc: jfv@freebsd.org, freebsd-net@freebsd.org
Subject: Re: Adding Flow Director sysctls to ixgbe(4)
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On Mon, 2011-09-05 at 15:51 +0900, Takuya ASADA wrote:
> Hi,
> 
> I implemented Ethernet Flow Director sysctls to ixgbe(4), here's a detail:
> 
> - Adding removing signature filter
> On linux version of ixgbe driver, it has ability to set/remove perfect
> filter from userland using ethtool command.
> I implemented similar feature, but on sysctl, and not perfect filter
> but signature filter(which means hash collision may occurs).
[...]

Linux also has a generic interface to RX filtering and hashing
(ethtool_rxnfc) which ixgbe supports; wouldn't it be better for FreeBSD
to support something like that?

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.