drivers/net/ethernet/mellanox/mlx5/core/steering/hws/internal.h

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

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/internal.h
Extension
.h
Size
1414 bytes
Lines
60
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 HWS_INTERNAL_H_
#define HWS_INTERNAL_H_

#include <linux/mlx5/transobj.h>
#include <linux/mlx5/vport.h>
#include "fs_core.h"
#include "wq.h"
#include "lib/mlx5.h"

#include "prm.h"
#include "mlx5hws.h"
#include "pool.h"
#include "vport.h"
#include "context.h"
#include "table.h"
#include "send.h"
#include "action_ste_pool.h"
#include "rule.h"
#include "cmd.h"
#include "action.h"
#include "definer.h"
#include "matcher.h"
#include "debug.h"
#include "pat_arg.h"
#include "bwc.h"
#include "bwc_complex.h"

#define W_SIZE		2
#define DW_SIZE		4
#define BITS_IN_BYTE	8
#define BITS_IN_DW	(BITS_IN_BYTE * DW_SIZE)

#define IS_BIT_SET(_value, _bit) ((_value) & (1ULL << (_bit)))

#define mlx5hws_err(ctx, arg...) mlx5_core_err((ctx)->mdev, ##arg)
#define mlx5hws_info(ctx, arg...) mlx5_core_info((ctx)->mdev, ##arg)
#define mlx5hws_dbg(ctx, arg...) mlx5_core_dbg((ctx)->mdev, ##arg)

#define MLX5HWS_TABLE_TYPE_BASE 2

static inline bool is_mem_zero(const u8 *mem, size_t size)
{
	if (unlikely(!size)) {
		pr_warn("HWS: invalid buffer of size 0 in %s\n", __func__);
		return true;
	}

	return (*mem == 0) && memcmp(mem, mem + 1, size - 1) == 0;
}

static inline unsigned long align(unsigned long val, unsigned long align)
{
	return (val + align - 1) & ~(align - 1);
}

#endif /* HWS_INTERNAL_H_ */

Annotation

Implementation Notes