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From: Yoann Juet <veilletechno-irts@univ-nantes.fr>
To: John Fastabend <john.r.fastabend@intel.com>,
	John Fastabend <john.fastabend@gmail.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Yoann Juet <yoann.juet@univ-nantes.fr>
Subject: Re: ixgbe: SR-IOV, macvlan filter on VFs
Date: Thu, 14 Aug 2014 17:56:52 +0200	[thread overview]
Message-ID: <53ECDC44.5030300@univ-nantes.fr> (raw)
In-Reply-To: <53ECD82B.6080209@intel.com>

> Right this seems to be the case. My guess is libvirt uses the IFLA_VF_MAC
> attribute to set the MAC from the host side. After this is done the PF
> driver will deny any additional MAC requests from the VF which is where
> you get that error message.
>
> I need to check the libvirt theory but if that is the case I'm not sure
> what the best fix off hand is. Maybe an option to libvirt not to set the
> MAC via the PF. The other option would be to add another knob to allow the
> setting of MAC addrs from the VF via 'ip link' similar to the TX spoofing
> bit already in place. Both would presumably resolve your use case.
>
> .John

Thanks a lot for your assistance John. Hope that a fix will be found 
regarding this issue.

Yoann.

      reply	other threads:[~2014-08-14 15:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-14 12:04 ixgbe: SR-IOV, macvlan filter on VFs Yoann Juet
2014-08-14 14:47 ` John Fastabend
2014-08-14 15:27   ` Yoann Juet
2014-08-14 15:39     ` John Fastabend
2014-08-14 15:56       ` Yoann Juet [this message]

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