drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.h
Extension
.h
Size
1810 bytes
Lines
67
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

struct mlx5e_sample_attr {
	u32 group_num;
	u32 rate;
	u32 trunc_size;
	u32 restore_obj_id;
	u32 sampler_id;
	struct mlx5e_sample_flow *sample_flow;
};

#if IS_ENABLED(CONFIG_MLX5_TC_SAMPLE)

void mlx5e_tc_sample_skb(struct sk_buff *skb, struct mlx5_mapped_obj *mapped_obj);

struct mlx5_flow_handle *
mlx5e_tc_sample_offload(struct mlx5e_tc_psample *sample_priv,
			struct mlx5_flow_spec *spec,
			struct mlx5_flow_attr *attr);

void
mlx5e_tc_sample_unoffload(struct mlx5e_tc_psample *sample_priv,
			  struct mlx5_flow_handle *rule,
			  struct mlx5_flow_attr *attr);

struct mlx5e_tc_psample *
mlx5e_tc_sample_init(struct mlx5_eswitch *esw, struct mlx5e_post_act *post_act);

void
mlx5e_tc_sample_cleanup(struct mlx5e_tc_psample *tc_psample);

#else /* CONFIG_MLX5_TC_SAMPLE */

static inline struct mlx5_flow_handle *
mlx5e_tc_sample_offload(struct mlx5e_tc_psample *tc_psample,
			struct mlx5_flow_spec *spec,
			struct mlx5_flow_attr *attr)
{ return ERR_PTR(-EOPNOTSUPP); }

static inline void
mlx5e_tc_sample_unoffload(struct mlx5e_tc_psample *tc_psample,
			  struct mlx5_flow_handle *rule,
			  struct mlx5_flow_attr *attr) {}

static inline struct mlx5e_tc_psample *
mlx5e_tc_sample_init(struct mlx5_eswitch *esw, struct mlx5e_post_act *post_act)
{ return ERR_PTR(-EOPNOTSUPP); }

static inline void
mlx5e_tc_sample_cleanup(struct mlx5e_tc_psample *tc_psample) {}

static inline void
mlx5e_tc_sample_skb(struct sk_buff *skb, struct mlx5_mapped_obj *mapped_obj) {}

#endif /* CONFIG_MLX5_TC_SAMPLE */
#endif /* __MLX5_EN_TC_SAMPLE_H__ */

Annotation

Implementation Notes