diff options
| author | Or Har-Toov <ohartoov@nvidia.com> | 2023-09-20 13:07:41 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-09-26 12:38:43 +0300 |
| commit | 561b4a3ac65597c5eca62c91260240a47c88b3da (patch) | |
| tree | 91d00a068ee18eb88195b8d030dda819cb845c50 /drivers/infiniband/hw | |
| parent | 703289ce43f740b0096724300107df82d008552f (diff) | |
| download | lwn-561b4a3ac65597c5eca62c91260240a47c88b3da.tar.gz lwn-561b4a3ac65597c5eca62c91260240a47c88b3da.zip | |
IB/mlx5: Expose XDR speed through MAD
Under MAD query port, Report NDR speed when NDR is supported in the port
capability mask.
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/d30bdec2a66a8a2edd1d84ee61453c58cf346b43.1695204156.git.leon@kernel.org
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mad.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 8102ef113b7e..0c3c4e64812c 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -619,6 +619,19 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port, } } + /* Check if extended speeds 2 (XDR/...) are supported */ + if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP && + props->port_cap_flags2 & IB_PORT_EXTENDED_SPEEDS2_SUP) { + ext_active_speed = (out_mad->data[56] >> 4) & 0x6; + + switch (ext_active_speed) { + case 2: + if (props->port_cap_flags2 & IB_PORT_LINK_SPEED_XDR_SUP) + props->active_speed = IB_SPEED_XDR; + break; + } + } + /* If reported active speed is QDR, check if is FDR-10 */ if (props->active_speed == 4) { if (dev->port_caps[port - 1].ext_port_cap & |