drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c

File Facts

System: Linux kernel
Corpus path: drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c
Extension: .c
Size: 75963 bytes
Lines: 2330
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.

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.
Allocates kernel memory; connect allocation flags and lifetime to context constraints.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

internal.h

Detected Declarations

struct mlx5hws_definer_sel_ctrl
struct mlx5hws_definer_conv_data
function hws_definer_ones_set
function hws_definer_generic_set
function hws_definer_outer_vlan_type_set
function hws_definer_inner_vlan_type_set
function hws_definer_second_vlan_type_set
function hws_definer_inner_second_vlan_type_set
function hws_definer_outer_second_vlan_type_set
function hws_definer_icmp_dw1_set
function hws_definer_icmpv6_dw1_set
function hws_definer_l3_type_set
function hws_definer_set_source_port_gvmi
function hws_definer_set_source_gvmi_vhca_id
function hws_definer_set_source_gvmi
function hws_definer_flex_parser_steering_ok_bits_handler
function hws_definer_flex_parser_handler
function hws_definer_misc4_fields_handler
function hws_definer_check_match_flags
function hws_definer_conv_outer
function HWS_GET_MATCH_PARAM
function hws_definer_conv_inner
function HWS_GET_MATCH_PARAM
function hws_definer_conv_misc
function HWS_GET_MATCH_PARAM
function hws_definer_conv_misc2
function hws_definer_conv_misc3
function HWS_IS_FLD_SET_SZ
function hws_definer_conv_misc4
function hws_definer_conv_misc5
function hws_definer_get_fc_size
function hws_definer_alloc_compressed_fc
function hws_definer_set_hl
function hws_definer_alloc_fc
function hws_definer_conv_match_params_to_hl
function hws_definer_find_byte_in_tag
function hws_definer_fc_bind
function hws_definer_best_hl_fit_recu
function hws_definer_copy_sel_ctrl
function hws_definer_find_best_match_fit
function hws_definer_create_tag_mask
function mlx5hws_definer_create_tag
function mlx5hws_definer_get_id
function mlx5hws_definer_compare
function mlx5hws_definer_calc_layout
function mlx5hws_definer_init_cache
function mlx5hws_definer_uninit_cache
function mlx5hws_definer_get_obj

Annotated Snippet

struct mlx5hws_definer_sel_ctrl {
	u8 allowed_full_dw; /* Full DW selectors cover all offsets */
	u8 allowed_lim_dw;  /* Limited DW selectors cover offset < 64 */
	u8 allowed_bytes;   /* Bytes selectors, up to offset 255 */
	u8 used_full_dw;
	u8 used_lim_dw;
	u8 used_bytes;
	u8 full_dw_selector[DW_SELECTORS];
	u8 lim_dw_selector[DW_SELECTORS_LIMITED];
	u8 byte_selector[BYTE_SELECTORS];
};

struct mlx5hws_definer_conv_data {
	struct mlx5hws_context *ctx;
	struct mlx5hws_definer_fc *fc;
	/* enum mlx5hws_definer_match_flag */
	u32 match_flags;
};

#define HWS_DEFINER_ENTRY(name)[MLX5HWS_DEFINER_FNAME_##name] = #name

static const char * const hws_definer_fname_to_str[] = {
	HWS_DEFINER_ENTRY(ETH_SMAC_47_16_O),
	HWS_DEFINER_ENTRY(ETH_SMAC_47_16_I),
	HWS_DEFINER_ENTRY(ETH_SMAC_15_0_O),
	HWS_DEFINER_ENTRY(ETH_SMAC_15_0_I),
	HWS_DEFINER_ENTRY(ETH_DMAC_47_16_O),
	HWS_DEFINER_ENTRY(ETH_DMAC_47_16_I),
	HWS_DEFINER_ENTRY(ETH_DMAC_15_0_O),
	HWS_DEFINER_ENTRY(ETH_DMAC_15_0_I),
	HWS_DEFINER_ENTRY(ETH_TYPE_O),
	HWS_DEFINER_ENTRY(ETH_TYPE_I),
	HWS_DEFINER_ENTRY(ETH_L3_TYPE_O),
	HWS_DEFINER_ENTRY(ETH_L3_TYPE_I),
	HWS_DEFINER_ENTRY(VLAN_TYPE_O),
	HWS_DEFINER_ENTRY(VLAN_TYPE_I),
	HWS_DEFINER_ENTRY(VLAN_FIRST_PRIO_O),
	HWS_DEFINER_ENTRY(VLAN_FIRST_PRIO_I),
	HWS_DEFINER_ENTRY(VLAN_CFI_O),
	HWS_DEFINER_ENTRY(VLAN_CFI_I),
	HWS_DEFINER_ENTRY(VLAN_ID_O),
	HWS_DEFINER_ENTRY(VLAN_ID_I),
	HWS_DEFINER_ENTRY(VLAN_SECOND_TYPE_O),
	HWS_DEFINER_ENTRY(VLAN_SECOND_TYPE_I),
	HWS_DEFINER_ENTRY(VLAN_SECOND_PRIO_O),
	HWS_DEFINER_ENTRY(VLAN_SECOND_PRIO_I),
	HWS_DEFINER_ENTRY(VLAN_SECOND_CFI_O),
	HWS_DEFINER_ENTRY(VLAN_SECOND_CFI_I),
	HWS_DEFINER_ENTRY(VLAN_SECOND_ID_O),
	HWS_DEFINER_ENTRY(VLAN_SECOND_ID_I),
	HWS_DEFINER_ENTRY(IPV4_IHL_O),
	HWS_DEFINER_ENTRY(IPV4_IHL_I),
	HWS_DEFINER_ENTRY(IP_DSCP_O),
	HWS_DEFINER_ENTRY(IP_DSCP_I),
	HWS_DEFINER_ENTRY(IP_ECN_O),
	HWS_DEFINER_ENTRY(IP_ECN_I),
	HWS_DEFINER_ENTRY(IP_TTL_O),
	HWS_DEFINER_ENTRY(IP_TTL_I),
	HWS_DEFINER_ENTRY(IPV4_DST_O),
	HWS_DEFINER_ENTRY(IPV4_DST_I),
	HWS_DEFINER_ENTRY(IPV4_SRC_O),
	HWS_DEFINER_ENTRY(IPV4_SRC_I),
	HWS_DEFINER_ENTRY(IP_VERSION_O),
	HWS_DEFINER_ENTRY(IP_VERSION_I),
	HWS_DEFINER_ENTRY(IP_FRAG_O),
	HWS_DEFINER_ENTRY(IP_FRAG_I),
	HWS_DEFINER_ENTRY(IP_LEN_O),
	HWS_DEFINER_ENTRY(IP_LEN_I),
	HWS_DEFINER_ENTRY(IP_TOS_O),
	HWS_DEFINER_ENTRY(IP_TOS_I),
	HWS_DEFINER_ENTRY(IPV6_FLOW_LABEL_O),
	HWS_DEFINER_ENTRY(IPV6_FLOW_LABEL_I),
	HWS_DEFINER_ENTRY(IPV6_DST_127_96_O),
	HWS_DEFINER_ENTRY(IPV6_DST_95_64_O),
	HWS_DEFINER_ENTRY(IPV6_DST_63_32_O),
	HWS_DEFINER_ENTRY(IPV6_DST_31_0_O),
	HWS_DEFINER_ENTRY(IPV6_DST_127_96_I),
	HWS_DEFINER_ENTRY(IPV6_DST_95_64_I),
	HWS_DEFINER_ENTRY(IPV6_DST_63_32_I),
	HWS_DEFINER_ENTRY(IPV6_DST_31_0_I),
	HWS_DEFINER_ENTRY(IPV6_SRC_127_96_O),
	HWS_DEFINER_ENTRY(IPV6_SRC_95_64_O),
	HWS_DEFINER_ENTRY(IPV6_SRC_63_32_O),
	HWS_DEFINER_ENTRY(IPV6_SRC_31_0_O),
	HWS_DEFINER_ENTRY(IPV6_SRC_127_96_I),
	HWS_DEFINER_ENTRY(IPV6_SRC_95_64_I),
	HWS_DEFINER_ENTRY(IPV6_SRC_63_32_I),
	HWS_DEFINER_ENTRY(IPV6_SRC_31_0_I),
	HWS_DEFINER_ENTRY(IP_PROTOCOL_O),
	HWS_DEFINER_ENTRY(IP_PROTOCOL_I),

Annotation

Immediate include surface: `internal.h`.
Detected declarations: `struct mlx5hws_definer_sel_ctrl`, `struct mlx5hws_definer_conv_data`, `function hws_definer_ones_set`, `function hws_definer_generic_set`, `function hws_definer_outer_vlan_type_set`, `function hws_definer_inner_vlan_type_set`, `function hws_definer_second_vlan_type_set`, `function hws_definer_inner_second_vlan_type_set`, `function hws_definer_outer_second_vlan_type_set`, `function hws_definer_icmp_dw1_set`.
Atlas domain: Driver Families / drivers/net.
Implementation status: source implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.