[PATCH][Jammy] IB/mlx5: Expose NDR speed through MAD

[dann frazier]

From: Maher Sanalla <msanalla at nvidia.com>

BugLink: https://bugs.launchpad.net/bugs/1962185

Under MAD query port, Report NDR speed when NDR is supported in the port
capability mask.

Link: https://lore.kernel.org/r/a2ab630d2a634547db9b581faa9d65da2edb9d05.1639554831.git.leonro@nvidia.com
Signed-off-by: Maher Sanalla <msanalla at nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur at nvidia.com>
Signed-off-by: Leon Romanovsky <leonro at nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
(cherry picked from commit fbdb0ba7051e9b0881708c1c7bb491363cb7e486)
Signed-off-by: dann frazier <dann.frazier at canonical.com>
---

Recognized speeds exposed in upcoming hardware products.

 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)
-- 
2.35.1