drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_ste_v1.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_ste_v1.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_ste_v1.h
Extension
.h
Size
10937 bytes
Lines
241
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef	_DR_STE_V1_
#define	_DR_STE_V1_

#include "dr_types.h"
#include "dr_ste.h"

#define DR_STE_DECAP_L3_ACTION_NUM	8
#define DR_STE_L2_HDR_MAX_SZ		20
#define DR_STE_CALC_DFNR_TYPE(lookup_type, inner) \
	((inner) ? DR_STE_V1_LU_TYPE_##lookup_type##_I : \
		   DR_STE_V1_LU_TYPE_##lookup_type##_O)

enum dr_ste_v1_entry_format {
	DR_STE_V1_TYPE_BWC_BYTE	= 0x0,
	DR_STE_V1_TYPE_BWC_DW	= 0x1,
	DR_STE_V1_TYPE_MATCH	= 0x2,
	DR_STE_V1_TYPE_MATCH_RANGES = 0x7,
};

/* Lookup type is built from 2B: [ Definer mode 1B ][ Definer index 1B ] */
enum {
	DR_STE_V1_LU_TYPE_NOP				= 0x0000,
	DR_STE_V1_LU_TYPE_ETHL2_TNL			= 0x0002,
	DR_STE_V1_LU_TYPE_IBL3_EXT			= 0x0102,
	DR_STE_V1_LU_TYPE_ETHL2_O			= 0x0003,
	DR_STE_V1_LU_TYPE_IBL4				= 0x0103,
	DR_STE_V1_LU_TYPE_ETHL2_I			= 0x0004,
	DR_STE_V1_LU_TYPE_SRC_QP_GVMI			= 0x0104,
	DR_STE_V1_LU_TYPE_ETHL2_SRC_O			= 0x0005,
	DR_STE_V1_LU_TYPE_ETHL2_HEADERS_O		= 0x0105,
	DR_STE_V1_LU_TYPE_ETHL2_SRC_I			= 0x0006,
	DR_STE_V1_LU_TYPE_ETHL2_HEADERS_I		= 0x0106,
	DR_STE_V1_LU_TYPE_ETHL3_IPV4_5_TUPLE_O		= 0x0007,
	DR_STE_V1_LU_TYPE_IPV6_DES_O			= 0x0107,
	DR_STE_V1_LU_TYPE_ETHL3_IPV4_5_TUPLE_I		= 0x0008,
	DR_STE_V1_LU_TYPE_IPV6_DES_I			= 0x0108,
	DR_STE_V1_LU_TYPE_ETHL4_O			= 0x0009,
	DR_STE_V1_LU_TYPE_IPV6_SRC_O			= 0x0109,
	DR_STE_V1_LU_TYPE_ETHL4_I			= 0x000a,
	DR_STE_V1_LU_TYPE_IPV6_SRC_I			= 0x010a,
	DR_STE_V1_LU_TYPE_ETHL2_SRC_DST_O		= 0x000b,
	DR_STE_V1_LU_TYPE_MPLS_O			= 0x010b,
	DR_STE_V1_LU_TYPE_ETHL2_SRC_DST_I		= 0x000c,
	DR_STE_V1_LU_TYPE_MPLS_I			= 0x010c,
	DR_STE_V1_LU_TYPE_ETHL3_IPV4_MISC_O		= 0x000d,
	DR_STE_V1_LU_TYPE_GRE				= 0x010d,
	DR_STE_V1_LU_TYPE_FLEX_PARSER_TNL_HEADER	= 0x000e,
	DR_STE_V1_LU_TYPE_GENERAL_PURPOSE		= 0x010e,
	DR_STE_V1_LU_TYPE_ETHL3_IPV4_MISC_I		= 0x000f,
	DR_STE_V1_LU_TYPE_STEERING_REGISTERS_0		= 0x010f,
	DR_STE_V1_LU_TYPE_STEERING_REGISTERS_1		= 0x0110,
	DR_STE_V1_LU_TYPE_FLEX_PARSER_OK		= 0x0011,
	DR_STE_V1_LU_TYPE_FLEX_PARSER_0			= 0x0111,
	DR_STE_V1_LU_TYPE_FLEX_PARSER_1			= 0x0112,
	DR_STE_V1_LU_TYPE_ETHL4_MISC_O			= 0x0113,
	DR_STE_V1_LU_TYPE_ETHL4_MISC_I			= 0x0114,
	DR_STE_V1_LU_TYPE_INVALID			= 0x00ff,
	DR_STE_V1_LU_TYPE_DONT_CARE			= MLX5DR_STE_LU_TYPE_DONT_CARE,
};

enum dr_ste_v1_header_anchors {
	DR_STE_HEADER_ANCHOR_START_OUTER		= 0x00,
	DR_STE_HEADER_ANCHOR_1ST_VLAN			= 0x02,
	DR_STE_HEADER_ANCHOR_IPV6_IPV4			= 0x07,
	DR_STE_HEADER_ANCHOR_INNER_MAC			= 0x13,
	DR_STE_HEADER_ANCHOR_INNER_IPV6_IPV4		= 0x19,
};

enum dr_ste_v1_action_size {
	DR_STE_ACTION_SINGLE_SZ = 4,
	DR_STE_ACTION_DOUBLE_SZ = 8,
	DR_STE_ACTION_TRIPLE_SZ = 12,
};

enum dr_ste_v1_action_insert_ptr_attr {
	DR_STE_V1_ACTION_INSERT_PTR_ATTR_NONE = 0,  /* Regular push header (e.g. push vlan) */
	DR_STE_V1_ACTION_INSERT_PTR_ATTR_ENCAP = 1, /* Encapsulation / Tunneling */
	DR_STE_V1_ACTION_INSERT_PTR_ATTR_ESP = 2,   /* IPsec */
};

enum dr_ste_v1_action_id {
	DR_STE_V1_ACTION_ID_NOP				= 0x00,
	DR_STE_V1_ACTION_ID_COPY			= 0x05,
	DR_STE_V1_ACTION_ID_SET				= 0x06,
	DR_STE_V1_ACTION_ID_ADD				= 0x07,
	DR_STE_V1_ACTION_ID_REMOVE_BY_SIZE		= 0x08,
	DR_STE_V1_ACTION_ID_REMOVE_HEADER_TO_HEADER	= 0x09,
	DR_STE_V1_ACTION_ID_INSERT_INLINE		= 0x0a,
	DR_STE_V1_ACTION_ID_INSERT_POINTER		= 0x0b,
	DR_STE_V1_ACTION_ID_FLOW_TAG			= 0x0c,

Annotation

Implementation Notes