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

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Message-ID: <531E0D04.1040404@mellanox.com>
Date:	Mon, 10 Mar 2014 21:05:40 +0200
From:	Or Gerlitz <ogerlitz@...lanox.com>
To:	Dan Williams <dcbw@...hat.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 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
> Dan
>

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