drivers/net/ethernet/freescale/fman/fman_sp.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/freescale/fman/fman_sp.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/freescale/fman/fman_sp.h
Extension
.h
Size
2075 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 fman_sp_int_context_data_copy {
	/* < Offset in External buffer to which internal
	 *  context is copied to (Rx) or taken from (Tx, Op).
	 */
	u16 ext_buf_offset;
	/* Offset within internal context to copy from
	 * (Rx) or to copy to (Tx, Op).
	 */
	u8 int_context_offset;
	/* Internal offset size to be copied */
	u16 size;
};

/*  struct for defining external buffer margins */
struct fman_sp_buf_margins {
	/* Number of bytes to be left at the beginning
	 * of the external buffer (must be divisible by 16)
	 */
	u16 start_margins;
	/* number of bytes to be left at the end
	 * of the external buffer(must be divisible by 16)
	 */
	u16 end_margins;
};

struct fman_sp_buffer_offsets {
	u32 data_offset;
	u32 prs_result_offset;
	u32 time_stamp_offset;
	u32 hash_result_offset;
};

int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy
				*int_context_data_copy,
				struct fman_buffer_prefix_content
				*buffer_prefix_content,
				struct fman_sp_buf_margins *buf_margins,
				struct fman_sp_buffer_offsets
				*buffer_offsets,
				u8 *internal_buf_offset);

void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools
						     *fm_ext_pools,
						     u8 *ordered_array,
						     u16 *sizes_array);

#endif	/* __FM_SP_H */

Annotation

Implementation Notes