netdev - [PATCH mlx5-next 01/16] net/mlx5: Add sample offload hardware bits and structures

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Date:   Fri, 20 Nov 2020 15:03:24 -0800
From:   Saeed Mahameed <saeedm@...dia.com>
To:     Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leonro@...lanox.com>
CC:     <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        Chris Mi <cmi@...dia.com>, Oz Shlomo <ozsh@...dia.com>
Subject: [PATCH mlx5-next 01/16] net/mlx5: Add sample offload hardware bits and structures

From: Chris Mi <cmi@...dia.com>

Hardware introduces flow sampler object for packet sampling.
Add the offload hardware bits and structures.

Signed-off-by: Chris Mi <cmi@...dia.com>
Reviewed-by: Oz Shlomo <ozsh@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 651591a2965d..65ea35af0527 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -10657,11 +10657,13 @@ struct mlx5_ifc_affiliated_event_header_bits {
 enum {
 	MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = BIT(0xc),
 	MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC = BIT(0x13),
+	MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_SAMPLER = BIT(0x20),
 };
 
 enum {
 	MLX5_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = 0xc,
 	MLX5_GENERAL_OBJECT_TYPES_IPSEC = 0x13,
+	MLX5_GENERAL_OBJECT_TYPES_SAMPLER = 0x20,
 };
 
 enum {
@@ -10736,6 +10738,33 @@ struct mlx5_ifc_create_encryption_key_in_bits {
 	struct mlx5_ifc_encryption_key_obj_bits encryption_key_object;
 };
 
+struct mlx5_ifc_sampler_obj_bits {
+	u8         modify_field_select[0x40];
+
+	u8         table_type[0x8];
+	u8         level[0x8];
+	u8         reserved_at_50[0xf];
+	u8         ignore_flow_level[0x1];
+
+	u8         sample_ratio[0x20];
+
+	u8         reserved_at_80[0x8];
+	u8         sample_table_id[0x18];
+
+	u8         reserved_at_a0[0x8];
+	u8         default_table_id[0x18];
+
+	u8         sw_steering_icm_address_rx[0x40];
+	u8         sw_steering_icm_address_tx[0x40];
+
+	u8         reserved_at_140[0xa0];
+};
+
+struct mlx5_ifc_create_sampler_obj_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+	struct mlx5_ifc_sampler_obj_bits sampler_object;
+};
+
 enum {
 	MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_128 = 0x0,
 	MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_256 = 0x1,
-- 
2.26.2