* [PATCH rdma-next] IB/mlx5: Expose NDR speed through MAD
@ 2021-12-15 7:54 Leon Romanovsky
2022-01-05 20:47 ` Jason Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Leon Romanovsky @ 2021-12-15 7:54 UTC (permalink / raw)
To: Jason Gunthorpe; +Cc: Maher Sanalla, linux-kernel, linux-rdma, Michael Guralnik
From: Maher Sanalla <msanalla@nvidia.com>
Under MAD query port, Report NDR speed when NDR is supported
in the port capability mask.
Signed-off-by: Maher Sanalla <msanalla@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/hw/mlx5/mad.c | 5 +++++
include/rdma/ib_mad.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index ec242a5a17a3..29a888b22789 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -584,6 +584,11 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP)
props->active_speed = IB_SPEED_HDR;
break;
+ case 8:
+ if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
+ props->port_cap_flags2 & IB_PORT_LINK_SPEED_NDR_SUP)
+ props->active_speed = IB_SPEED_NDR;
+ break;
}
}
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 465b0d0bdaf8..2e3843b761e8 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -276,6 +276,7 @@ enum ib_port_capability_mask2_bits {
IB_PORT_SWITCH_PORT_STATE_TABLE_SUP = 1 << 3,
IB_PORT_LINK_WIDTH_2X_SUP = 1 << 4,
IB_PORT_LINK_SPEED_HDR_SUP = 1 << 5,
+ IB_PORT_LINK_SPEED_NDR_SUP = 1 << 10,
};
#define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)
--
2.33.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH rdma-next] IB/mlx5: Expose NDR speed through MAD
2021-12-15 7:54 [PATCH rdma-next] IB/mlx5: Expose NDR speed through MAD Leon Romanovsky
@ 2022-01-05 20:47 ` Jason Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2022-01-05 20:47 UTC (permalink / raw)
To: Leon Romanovsky; +Cc: Maher Sanalla, linux-kernel, linux-rdma, Michael Guralnik
On Wed, Dec 15, 2021 at 09:54:31AM +0200, Leon Romanovsky wrote:
> From: Maher Sanalla <msanalla@nvidia.com>
>
> Under MAD query port, Report NDR speed when NDR is supported
> in the port capability mask.
>
> Signed-off-by: Maher Sanalla <msanalla@nvidia.com>
> Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> ---
> drivers/infiniband/hw/mlx5/mad.c | 5 +++++
> include/rdma/ib_mad.h | 1 +
> 2 files changed, 6 insertions(+)
Applied to for-next, thanks
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
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