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

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Date:   Tue, 17 Apr 2018 00:54:26 +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: Brown, Aaron F
> Sent: Friday, April 13, 2018 7:23 PM
> To: 'Vinicius Costa Gomes' <vinicius.gomes@...el.com>; 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: 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>
Tested-by: Aaron Brown <aaron.f.brown@...el.com>