diff options
Diffstat (limited to 'include/net/hwbm.h')
| -rw-r--r-- | include/net/hwbm.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/net/hwbm.h b/include/net/hwbm.h new file mode 100644 index 000000000000..47d08662501b --- /dev/null +++ b/include/net/hwbm.h @@ -0,0 +1,28 @@ +#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) {} +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, gfp_t gfp) +{ return 0; } +#endif /* CONFIG_HWBM */ +#endif /* _HWBM_H */ |