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authorOr Har-Toov <ohartoov@nvidia.com>2023-09-20 13:07:41 +0300
committerLeon Romanovsky <leon@kernel.org>2023-09-26 12:38:43 +0300
commit561b4a3ac65597c5eca62c91260240a47c88b3da (patch)
tree91d00a068ee18eb88195b8d030dda819cb845c50 /drivers/infiniband/hw/mlx5
parent703289ce43f740b0096724300107df82d008552f (diff)
downloadlinux-561b4a3ac65597c5eca62c91260240a47c88b3da.tar.xz
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/mlx5')
-rw-r--r--drivers/infiniband/hw/mlx5/mad.c13
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 &