netdev - Re: [PATCH net-next] cxgb4: set skb->rxhash

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Message-ID: <4BD76955.1030104@chelsio.com>
Date:	Tue, 27 Apr 2010 15:46:45 -0700
From:	Dimitris Michailidis <dm@...lsio.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] cxgb4: set skb->rxhash

David Miller wrote:
> From: Dimitris Michailidis <dm@...lsio.com>
> Date: Tue, 27 Apr 2010 15:20:25 -0700
> 
>> Implement the ->set_flags ethtool method to control NETIF_F_RXHASH and
>> set skb->rxhash to the HW calculated hash accordingly.
>>
>> Signed-off-by: Dimitris Michailidis <dm@...lsio.com>
> 
> Does the CXGB4 hash the ports for non-TCP packets?
> 
> If not, you will need to check the packet type (preferrably using
> RX descriptor information rather than actually parsing the packet)
> and only record the ->rxhash for TCP packets.
> 

It does, optionally.  Someday I need to implement ->set_rxnfc to expose the 
few available options but it's on by default.
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