[mirror_ubuntu-focal-kernel.git] / include / net / hwbm.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _HWBM_H
#define _HWBM_H

struct hwbm_pool {
	/* Capacity of the pool */
	int size;
	/* Size of the buffers managed */
	int frag_size;
	/* Number of buffers currently used by this pool */
	int buf_num;
	/* constructor called during alocation */
	int (*construct)(struct hwbm_pool *bm_pool, void *buf);
	/* protect acces to the buffer counter*/
	struct mutex buf_lock;
	/* private data */
	void *priv;
};
#ifdef CONFIG_HWBM
void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf);
int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num);
#else
void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num)
{ return 0; }
#endif /* CONFIG_HWBM */
#endif /* _HWBM_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
8cb2d8bf GC	2	#ifndef _HWBM_H
	3	#define _HWBM_H
	4
	5	struct hwbm_pool {
	6	/* Capacity of the pool */
	7	int size;
	8	/* Size of the buffers managed */
	9	int frag_size;
	10	/* Number of buffers currently used by this pool */
	11	int buf_num;
	12	/* constructor called during alocation */
	13	int (construct)(struct hwbm_pool bm_pool, void *buf);
	14	/* protect acces to the buffer counter*/
6dcdd884	15	struct mutex buf_lock;
8cb2d8bf GC	16	/* private data */
	17	void *priv;
	18	};
	19	#ifdef CONFIG_HWBM
	20	void hwbm_buf_free(struct hwbm_pool bm_pool, void buf);
	21	int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
6dcdd884	22	int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num);
8cb2d8bf GC	23	#else
	24	void hwbm_buf_free(struct hwbm_pool bm_pool, void buf) {}
	25	int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
6dcdd884	26	int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num)
8cb2d8bf GC	27	{ return 0; }
	28	#endif /* CONFIG_HWBM */
	29	#endif /* _HWBM_H */