drivers/net/ethernet/mellanox/mlx5/core/en/rss.h

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

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mellanox/mlx5/core/en/rss.h
Extension
.h
Size
2914 bytes
Lines
78
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_rss_init_params {
	enum mlx5e_rss_init_type type;
	const struct mlx5e_packet_merge_param *pkt_merge_param;
	unsigned int nch;
	unsigned int max_nch;
};

struct mlx5e_rss_params {
	bool inner_ft_support;
	u32 drop_rqn;
	bool self_lb_blk;
};

struct mlx5e_rss_params_traffic_type
mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt);

struct mlx5e_rss;

int mlx5e_rss_params_indir_init(struct mlx5e_rss_params_indir *indir,
				u32 actual_table_size, u32 max_table_size);
void mlx5e_rss_params_indir_cleanup(struct mlx5e_rss_params_indir *indir);
void mlx5e_rss_ctx_resize(struct mlx5e_rss *rss, u32 new_size);
void mlx5e_rss_indir_resize(struct mlx5e_rss *rss, struct net_device *netdev,
			    u32 new_size);
struct mlx5e_rss *
mlx5e_rss_init(struct mlx5_core_dev *mdev,
	       const struct mlx5e_rss_params *params,
	       const struct mlx5e_rss_init_params *init_params);
int mlx5e_rss_cleanup(struct mlx5e_rss *rss);

void mlx5e_rss_refcnt_inc(struct mlx5e_rss *rss);
void mlx5e_rss_refcnt_dec(struct mlx5e_rss *rss);
unsigned int mlx5e_rss_refcnt_read(struct mlx5e_rss *rss);

bool mlx5e_rss_get_inner_ft_support(struct mlx5e_rss *rss);
u32 *mlx5e_rss_get_indir_table(struct mlx5e_rss *rss);
void mlx5e_rss_set_indir_actual_size(struct mlx5e_rss *rss, u32 size);
u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
		       bool inner);
bool mlx5e_rss_valid_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt, bool inner);
u32 mlx5e_rss_get_rqtn(struct mlx5e_rss *rss);
int
mlx5e_rss_obtain_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
		      const struct mlx5e_packet_merge_param *pkt_merge_param,
		      bool inner, u32 *tirn);

void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, u32 *vhca_ids, unsigned int num_rqns);
void mlx5e_rss_disable(struct mlx5e_rss *rss);

int mlx5e_rss_packet_merge_set_param(struct mlx5e_rss *rss,
				     struct mlx5e_packet_merge_param *pkt_merge_param);
void mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc,
			bool *symmetric);
int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir,
		       const u8 *key, const u8 *hfunc, const bool *symmetric,
		       u32 *rqns, u32 *vhca_ids, unsigned int num_rqns);
struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss);
u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt);
int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
			      u8 rx_hash_fields);
void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch);
#endif /* __MLX5_EN_RSS_H__ */

Annotation

Implementation Notes