Release 4.16 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*/
	
spinlock_t 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, gfp_t gfp);
#else


void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
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int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
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int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp)
{ return 0; }
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#endif /* CONFIG_HWBM */
#endif /* _HWBM_H */
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Directory: include/net

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