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Subject[PATCH rdma-next] IB/mlx5: Expose NDR speed through MAD
Date
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
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