From 561b4a3ac65597c5eca62c91260240a47c88b3da Mon Sep 17 00:00:00 2001 From: Or Har-Toov Date: Wed, 20 Sep 2023 13:07:41 +0300 Subject: [PATCH] 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 Reviewed-by: Mark Zhang Link: https://lore.kernel.org/r/d30bdec2a66a8a2edd1d84ee61453c58cf346b43.1695204156.git.leon@kernel.org Reviewed-by: Jacob Keller Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/mad.c | 13 +++++++++++++ include/rdma/ib_mad.h | 2 ++ 2 files changed, 15 insertions(+) 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 & diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 2e3843b761e8..3f1b58d8b4bf 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -277,6 +277,8 @@ enum ib_port_capability_mask2_bits { IB_PORT_LINK_WIDTH_2X_SUP = 1 << 4, IB_PORT_LINK_SPEED_HDR_SUP = 1 << 5, IB_PORT_LINK_SPEED_NDR_SUP = 1 << 10, + IB_PORT_EXTENDED_SPEEDS2_SUP = 1 << 11, + IB_PORT_LINK_SPEED_XDR_SUP = 1 << 12, }; #define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)