netdev - Re: [PATCH net-next 0/7] mlx4: Add SRIOV support for RoCE

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Date:	Tue, 11 Mar 2014 09:55:42 -0500
From:	Dan Williams <dcbw@...hat.com>
To:	Or Gerlitz <ogerlitz@...lanox.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, roland@...nel.org,
	jackm@....mellanox.co.il, amirv@...lanox.com
Subject: Re: [PATCH net-next 0/7] mlx4: Add SRIOV support for RoCE

On Mon, 2014-03-10 at 21:05 +0200, Or Gerlitz wrote:
> On 10/03/2014 20:08, Dan Williams wrote:
> >
> > While I could be wrong, I think the phys_port_id sysfs attribute is
> > relevant here.  This attribute should be set for any VF so that
> > userspace clients can determine that two VFs are backed by the same PF,
> > which of course means they share bandwidth and thus some operations
> > cannot be performed.  This is implemented with ndo_get_phys_port_id.
> >
> Indeed, and this is supported for mlx4 through the sequence of these 
> commits\\
> 
> 84c8640 net/mlx4_en: Implement ndo_get_phys_port_id
> 8e1a28e net/mlx4_core: Expose physical port id as PF/VF capability
> eb17711 net/mlx4_core: Introduce nic_info new flag in QUERY_FUNC_CAP
> 73e74ab net/mlx4_core: Rename QUERY_FUNC_CAP fields
> 7b25d81 net/mlx4_core: Remove zeroed out of explicit QUERY_FUNC_CAP fields

Ah!  My mistake, I didn't see that.  Carry on :)

Dan

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