From 66fb1d5df6ace316a4a6e2c31e13fc123ea2b644 Mon Sep 17 00:00:00 2001 From: Edward Srouji Date: Thu, 16 Feb 2023 11:13:45 +0200 Subject: IB/mlx5: Extend debug control for CC parameters This patch adds rtt_resp_dscp to the current debug controllability of congestion control (CC) parameters. rtt_resp_dscp can be read or written through debugfs. If set, its value overwrites the DSCP of the generated RTT response. Signed-off-by: Edward Srouji Reviewed-by: Maor Gottlieb Link: https://lore.kernel.org/r/1dcc3440ee53c688f19f579a051ded81a2aaa70a.1676538714.git.leon@kernel.org Signed-off-by: Leon Romanovsky --- include/linux/mlx5/mlx5_ifc.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 67cfac8fbe46..c63b92aa4c96 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -2159,6 +2159,17 @@ struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits { u8 reserved_at_360[0x4a0]; }; +struct mlx5_ifc_cong_control_r_roce_general_bits { + u8 reserved_at_0[0x80]; + + u8 reserved_at_80[0x10]; + u8 rtt_resp_dscp_valid[0x1]; + u8 reserved_at_91[0x9]; + u8 rtt_resp_dscp[0x6]; + + u8 reserved_at_a0[0x760]; +}; + struct mlx5_ifc_cong_control_802_1qau_rp_bits { u8 reserved_at_0[0x80]; @@ -4304,6 +4315,7 @@ union mlx5_ifc_cong_control_roce_ecn_auto_bits { struct mlx5_ifc_cong_control_802_1qau_rp_bits cong_control_802_1qau_rp; struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits cong_control_r_roce_ecn_rp; struct mlx5_ifc_cong_control_r_roce_ecn_np_bits cong_control_r_roce_ecn_np; + struct mlx5_ifc_cong_control_r_roce_general_bits cong_control_r_roce_general; u8 reserved_at_0[0x800]; }; -- cgit v1.2.3