LXR linux/include/net/hwbm.h

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