mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-26 12:26:11 +00:00
Code Issues Releases Wiki Activity

IB/mlx5: Expose NDR speed through MAD

Browse source 
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@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Maher Sanalla 2021-12-15 09:54:31 +02:00 committed by Jason Gunthorpe
parent e375b9c929
commit fbdb0ba705
2 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/infiniband/hw/mlx5/mad.c
View file

@ -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;
}
}

1
include/rdma/ib_mad.h
View file

@ -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)