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Date: Mon, 29 Jun 2015 20:19:30 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Navdeep Parhar <np@FreeBSD.org>
Cc: freebsd-net@freebsd.org
Subject: Re: netmap custom RSS and custom packet info
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On Mon, Jun 29, 2015 at 10:07:15AM -0700, Navdeep Parhar wrote:

> On 06/29/2015 08:17, Slawa Olhovchenkov wrote:
> ...
> > b) custom RSS. Modern NIC have RSS poorly interoperable with packet
> > analysing: packets from same flow, but different direction placed in
> > different queue, ...
> 
> This is default behavior because the default hash (Toeplitz) is not 
> symmetrical.  There are modern NICs that do support other, symmetrical 
> hashes.

Anyway this is still hardware-depended.
I am don't see symmetrical hashes for 1G/10G Intel cards.