netdev - Re: [PATCH net] net/mlx4: Check if Granular QoS per VF has been enabled before updating QP qos

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Date:   Mon, 05 Jun 2017 11:32:22 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     tariqt@...lanox.com
Cc:     netdev@...r.kernel.org, eranbe@...lanox.com, idos@...lanox.com,
        jackm@....mellanox.co.il
Subject: Re: [PATCH net] net/mlx4: Check if Granular QoS per VF has been
 enabled before updating QP qos_vport

From: Tariq Toukan <tariqt@...lanox.com>
Date: Mon,  5 Jun 2017 10:44:56 +0300

> From: Ido Shamay <idos@...lanox.com>
> 
> The Granular QoS per VF feature must be enabled in FW before it can be
> used.
> 
> Thus, the driver cannot modify a QP's qos_vport value (via the UPDATE_QP FW
> command) if the feature has not been enabled -- the FW returns an error if
> this is attempted.
> 
> Fixes: 08068cd5683f ("net/mlx4: Added qos_vport QP configuration in VST mode")
> Signed-off-by: Ido Shamay <idos@...lanox.com>
> Signed-off-by: Jack Morgenstein <jackm@....mellanox.co.il>
> Signed-off-by: Tariq Toukan <tariqt@...lanox.com>

Applied.