u32 offset;
u8 linear_search;
u8 log2_pages;
- u16 cache_lru;
+ i16 refcnt;
};
u64 as_u64;
};
#if BIHASH_KVP_CACHE_SIZE > 0
+ u16 cache_lru;
BVT (clib_bihash_kv) cache[BIHASH_KVP_CACHE_SIZE];
#endif
} BVT (clib_bihash_bucket);
u32 nbuckets;
u32 log2_nbuckets;
- u32 linear_buckets;
u8 *name;
u64 cache_hits;
BVT (clib_bihash_value) ** freelists;
void *mheap;
+ /**
+ * A custom format function to print the Key and Value of bihash_key instead of default hexdump
+ */
+ format_function_t *fmt_fn;
+
} BVT (clib_bihash);
static inline void
BV (clib_bihash_update_lru) (BVT (clib_bihash_bucket) * b, u8 slot)
{
+#if BIHASH_KVP_CACHE_SIZE > 1
u16 value, tmp, mask;
u8 found_lru_pos;
u16 save_hi;
- if (BIHASH_KVP_CACHE_SIZE < 2)
- return;
-
ASSERT (slot < BIHASH_KVP_CACHE_SIZE);
/* First, find the slot in cache_lru */
value = save_hi | (tmp << 3) | slot;
b->cache_lru = value;
+#endif
}
void
static inline int BV (clib_bihash_lock_bucket) (BVT (clib_bihash_bucket) * b)
{
- BVT (clib_bihash_bucket) tmp_b;
- u64 rv;
+#if BIHASH_KVP_CACHE_SIZE > 0
+ u16 cache_lru_bit;
+ u16 rv;
- tmp_b.as_u64 = 0;
- tmp_b.cache_lru = 1 << 15;
+ cache_lru_bit = 1 << 15;
- rv = __sync_fetch_and_or (&b->as_u64, tmp_b.as_u64);
- tmp_b.as_u64 = rv;
+ rv = __sync_fetch_and_or (&b->cache_lru, cache_lru_bit);
/* Was already locked? */
- if (tmp_b.cache_lru & (1 << 15))
+ if (rv & (1 << 15))
return 0;
+#endif
return 1;
}
static inline void BV (clib_bihash_unlock_bucket)
(BVT (clib_bihash_bucket) * b)
{
- BVT (clib_bihash_bucket) tmp_b;
+#if BIHASH_KVP_CACHE_SIZE > 0
+ u16 cache_lru;
- tmp_b.as_u64 = b->as_u64;
- tmp_b.cache_lru &= ~(1 << 15);
- b->as_u64 = tmp_b.as_u64;
+ cache_lru = b->cache_lru & ~(1 << 15);
+ b->cache_lru = cache_lru;
+#endif
}
static inline void *BV (clib_bihash_get_value) (BVT (clib_bihash) * h,
void BV (clib_bihash_init)
(BVT (clib_bihash) * h, char *name, u32 nbuckets, uword memory_size);
+void BV (clib_bihash_set_kvp_format_fn) (BVT (clib_bihash) * h,
+ format_function_t * fmt_fn);
+
void BV (clib_bihash_free) (BVT (clib_bihash) * h);
int BV (clib_bihash_add_del) (BVT (clib_bihash) * h,