From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [PATCH] NIU support for skb->rxhash
Date: Thu, 22 Apr 2010 09:21:20 -0700
Message-ID: <20100422092120.603e83b8@nehalam>
References: <20100422.042157.99869295.davem@davemloft.net>
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To: David Miller <davem@davemloft.net>
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On Thu, 22 Apr 2010 04:21:57 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:

> 
> But it turns out using it is largely pointless since the only way to
> get the hash value(s) is through a structure which is prepended to the
> packet data (so we take a cache miss on the packet data anyways)
> instead of being able to fetch it out of the RX descriptors :-/
> 
> If anyone out there is trying to design sane hardware, please put the
> following into your RX descriptors:
> 
> 1) ethernet protocol type (u16)
> 2) a flag bit indicating if the packet destination matched one
>    of the programmed unicast MAC addresses
> 3) a flag bit indicating "multicast"
> 4) a flag bit indicating "broadcast"
> 5) at least 32-bits of the computed flow hash (u32)
> 
> kthx, bye!
> 
> Signed-off-by: David S. Miller <davem@davemloft.net>

Could you make configurable via ethtool like I did for sky2.

P.s: where is that patch seems lost in patchwork