Commit fbdb0ba7 authored by Maher Sanalla's avatar Maher Sanalla Committed by Jason Gunthorpe
Browse files

IB/mlx5: Expose NDR speed through MAD 

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: default avatarMaher Sanalla <msanalla@nvidia.com>
Reviewed-by: default avatarMichael Guralnik <michaelgur@nvidia.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent e375b9c9

drivers/infiniband/hw/mlx5/mad.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

		}

	}

include/rdma/ib_mad.h

+1 −0
Original line number Diff line number Diff line
@@ -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)