Re: [PATCH rdma-next 00/10] Support RAW Ethernet when RoCE is disabled

[Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

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On 11/27/2016 9:51 AM, Leon Romanovsky wrote:
> Hi Doug,
> 
> Please find below the patch set from Or. I didn't add version notation to this
> patch set, because it was enriched extensively over initial version [1], from
> one mlx5-only patch to native IB core support.
> 
> It is tested against v4.9-rc6.
> 
> From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> 
> On some environments, such as certain SRIOV VF configurations, RoCE is
> not supported for mlx5 Ethernet ports. Currently, the driver will not
> open IB device on that port.
> 
> This is problematic, since we do want user-space RAW Ethernet (RAW_PACKET QPs)
> functionality to remain in place. For that end, we change the relevant driver
> flows such that an IB device instance is created in that case as well.
> 
> Following the previous post [1], Doug wanted us to enable a way for
> applications to query what QP types are actually supported on a device.
> This series adds that functionality on device/port granularity, since
> some drivers (mlx4) could support different protocols per port and
> hence different QP types per port.
> 
> QP types are basically derived from the protocol/s supported on the port. We
> added two protocols (raw packet and usnic) to have a protocol set which is
> consistent with what is currently upstream.
> 
> Patches 1-7 deal with the new query and patches 8-10 with the mlx5 specific
> changes.

I took only the last three patches until we settle on the issues brought up.


-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
    GPG Key ID: 0E572FDD


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