From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
liranl-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
eitan-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH rdma-next V2 03/10] IB/core: Add subnet prefix to port info
Date: Tue, 8 Mar 2016 10:57:52 -0700 [thread overview]
Message-ID: <20160308175752.GD10805@obsidianresearch.com> (raw)
In-Reply-To: <1457455018-17638-4-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
On Tue, Mar 08, 2016 at 06:36:51PM +0200, Eli Cohen wrote:
> The subnet prefix is a part of the port_info MAD returned and should be
> available at the ib_port_attr struct. We define it here and provide a
> default implementation in case the hardware driver does not provide one.
> The subnet prefix is required when creating the address vector to access
> the SA in networks where GRH must be used.
>
> Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Reviewed-by: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Changes from V1:
> Removed the hardware level implementation and implement as part of
> ib_query_port.
Looks reasonable
Are you going to still send the mlx4/5 changes to avoid the other
callback?
Reviewed-by: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
> +++ b/include/rdma/ib_verbs.h
> @@ -509,6 +509,7 @@ struct ib_port_attr {
> u8 active_width;
> u8 active_speed;
> u8 phys_state;
> + u64 subnet_prefix;
> };
This turned out to be aligned then?
Jason
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next prev parent reply other threads:[~2016-03-08 17:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-08 16:36 [PATCH rdma-next V2 00/10] IB SR-IOV support Eli Cohen
[not found] ` <1457455018-17638-1-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-03-08 16:36 ` [PATCH rdma-next V2 01/10] net/core: Add support for configuring VF GUIDs Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 02/10] IB/mlx5: Fix decision on using MAD_IFC Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 03/10] IB/core: Add subnet prefix to port info Eli Cohen
[not found] ` <1457455018-17638-4-git-send-email-eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-03-08 17:57 ` Jason Gunthorpe [this message]
[not found] ` <20160308175752.GD10805-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-03-08 18:04 ` Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 04/10] IB/core: Support accessing SA in virtualized environment Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 05/10] IB/core: Add interfaces to control VF attributes Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 06/10] IB/ipoib: Add ndo operations for configuring VFs Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 07/10] net/mlx5_core: Add VF param when querying vport counter Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 08/10] net/mlx5_core: Implement modify HCA vport command Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 09/10] IB/mlx5: Implement callbacks for manipulating VFs Eli Cohen
2016-03-08 16:36 ` [PATCH rdma-next V2 10/10] IB/ipoib: Allow mcast packets from other VFs Eli Cohen
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