netdev - RE: [next-queue PATCH v7 08/10] igb: Add MAC address support for ethtool nftuple filters

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Date:   Sat, 14 Apr 2018 02:22:52 +0000
From:   "Brown, Aaron F" <aaron.f.brown@...el.com>
To:     "Gomes, Vinicius" <vinicius.gomes@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "Gomes, Vinicius" <vinicius.gomes@...el.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Sanchez-Palencia, Jesus" <jesus.sanchez-palencia@...el.com>
Subject: RE: [next-queue PATCH v7 08/10] igb: Add MAC address support for
 ethtool nftuple filters

> From: netdev-owner@...r.kernel.org [mailto:netdev-
> owner@...r.kernel.org] On Behalf Of Vinicius Costa Gomes
> Sent: Tuesday, April 10, 2018 10:50 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Gomes, Vinicius <vinicius.gomes@...el.com>; Kirsher, Jeffrey T
> <jeffrey.t.kirsher@...el.com>; netdev@...r.kernel.org; Sanchez-Palencia,
> Jesus <jesus.sanchez-palencia@...el.com>
> Subject: [next-queue PATCH v7 08/10] igb: Add MAC address support for
> ethtool nftuple filters
> 
> This adds the capability of configuring the queue steering of arriving
> packets based on their source and destination MAC addresses.
> 
> Source address steering (i.e. driving traffic to a specific queue),
> for the i210, does not work, but filtering does (i.e. accepting
> traffic based on the source address). So, trying to add a filter
> specifying only a source address will be an error.
> 
> In practical terms this adds support for the following use cases,
> characterized by these examples:
> 
> $ ethtool -N eth0 flow-type ether dst aa:aa:aa:aa:aa:aa action 0
> (this will direct packets with destination address "aa:aa:aa:aa:aa:aa"
> to the RX queue 0)
> 
> $ ethtool -N eth0 flow-type ether src 44:44:44:44:44:44 \
>   	     	  	    	  proto 0x22f0 action 3
> (this will direct packets with source address "44:44:44:44:44:44" and
> ethertype 0x22f0 to the RX queue 3)
> 
> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
> ---
>  drivers/net/ethernet/intel/igb/igb_ethtool.c | 43 ++++++++++++++++++--
>  1 file changed, 39 insertions(+), 4 deletions(-)
> 

Tested by: Aaron Brown <aaron.f.brown@...el.com>