svn commit: r361498 - in head/sys/dev/mlx5: . mlx5_core

[Hans Petter Selasky]

Author: hselasky
Date: Tue May 26 07:41:46 2020
New Revision: 361498
URL: https://svnweb.freebsd.org/changeset/base/361498

Log:
  Sync with Linux packet pacing enhancements in mlx5en(4).
  
  Linux commit:
  05d3ac978ed25b753bfe34fe76c50c31ee506a82
  
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/dev/mlx5/mlx5_core/mlx5_rl.c
  head/sys/dev/mlx5/mlx5_ifc.h

Modified: head/sys/dev/mlx5/mlx5_core/mlx5_rl.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_rl.c	Tue May 26 06:55:03 2020	(r361497)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_rl.c	Tue May 26 07:41:46 2020	(r361498)
@@ -58,16 +58,14 @@ static struct mlx5_rl_entry *find_rl_entry(struct mlx5
 static int mlx5_set_rate_limit_cmd(struct mlx5_core_dev *dev,
 				   u32 rate, u32 burst, u16 index)
 {
-	u32 in[MLX5_ST_SZ_DW(set_rate_limit_in)] = {0};
-	u32 out[MLX5_ST_SZ_DW(set_rate_limit_out)] = {0};
+	u32 in[MLX5_ST_SZ_DW(set_rate_limit_in)] = {};
+	u32 out[MLX5_ST_SZ_DW(set_rate_limit_out)] = {};
 
-	MLX5_SET(set_rate_limit_in, in, opcode,
-		 MLX5_CMD_OP_SET_RATE_LIMIT);
+	MLX5_SET(set_rate_limit_in, in, opcode, MLX5_CMD_OP_SET_RATE_LIMIT);
 	MLX5_SET(set_rate_limit_in, in, rate_limit_index, index);
 	MLX5_SET(set_rate_limit_in, in, rate_limit, rate);
-
-	if (MLX5_CAP_QOS(dev, packet_pacing_burst_bound))
-		MLX5_SET(set_rate_limit_in, in, burst_upper_bound, burst);
+	MLX5_SET(set_rate_limit_in, in, burst_upper_bound, burst);
+	MLX5_SET(set_rate_limit_in, in, typical_packet_size, 0 /* use MTU */);
 
 	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 }

Modified: head/sys/dev/mlx5/mlx5_ifc.h
==============================================================================
--- head/sys/dev/mlx5/mlx5_ifc.h	Tue May 26 06:55:03 2020	(r361497)
+++ head/sys/dev/mlx5/mlx5_ifc.h	Tue May 26 07:41:46 2020	(r361498)
@@ -690,7 +690,8 @@ struct mlx5_ifc_qos_cap_bits {
 	u8         esw_rate_limit[0x1];
 	u8         hll[0x1];
 	u8         packet_pacing_burst_bound[0x1];
-	u8         reserved_at_6[0x1a];
+	u8         packet_pacing_typical_size[0x1];
+	u8         reserved_at_7[0x19];
 
 	u8         reserved_at_20[0x20];
 
@@ -7790,7 +7791,13 @@ struct mlx5_ifc_set_rate_limit_in_bits {
 	u8         reserved_at_60[0x20];
 
 	u8         rate_limit[0x20];
+
 	u8         burst_upper_bound[0x20];
+
+	u8         reserved_at_c0[0x10];
+	u8         typical_packet_size[0x10];
+
+	u8         reserved_at_e0[0x120];
 };
 
 struct mlx5_ifc_access_register_out_bits {