diff options
Diffstat (limited to 'src/vppinfra/bihash_template.h')
-rw-r--r-- | src/vppinfra/bihash_template.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/vppinfra/bihash_template.h b/src/vppinfra/bihash_template.h index 8398c38f577..eb50d32d521 100644 --- a/src/vppinfra/bihash_template.h +++ b/src/vppinfra/bihash_template.h @@ -59,10 +59,10 @@ typedef struct { struct { - u32 offset; - u8 linear_search; - u8 log2_pages; - i16 refcnt; + u64 offset:37; + u64 linear_search:1; + u64 log2_pages:8; + i64 refcnt:16; }; u64 as_u64; }; @@ -72,6 +72,10 @@ typedef struct #endif } BVT (clib_bihash_bucket); +#if BIHASH_KVP_CACHE_SIZE == 0 +STATIC_ASSERT_SIZEOF (BVT (clib_bihash_bucket), sizeof (u64)); +#endif + typedef struct { BVT (clib_bihash_value) * values; @@ -238,6 +242,12 @@ static inline void *BV (clib_bihash_get_value) (BVT (clib_bihash) * h, return (void *) vp; } +static inline int BV (clib_bihash_bucket_is_empty) + (BVT (clib_bihash_bucket) * b) +{ + return b->as_u64 == 0; +} + static inline uword BV (clib_bihash_get_offset) (BVT (clib_bihash) * h, void *v) { @@ -284,7 +294,7 @@ static inline int BV (clib_bihash_search_inline_with_hash) bucket_index = hash & (h->nbuckets - 1); b = &h->buckets[bucket_index]; - if (b->offset == 0) + if (PREDICT_FALSE (BV (clib_bihash_bucket_is_empty) (b))) return -1; #if BIHASH_KVP_CACHE_SIZE > 0 @@ -373,7 +383,7 @@ static inline void BV (clib_bihash_prefetch_data) bucket_index = hash & (h->nbuckets - 1); b = &h->buckets[bucket_index]; - if (PREDICT_FALSE (b->offset == 0)) + if (PREDICT_FALSE (BV (clib_bihash_bucket_is_empty) (b))) return; hash >>= h->log2_nbuckets; @@ -401,7 +411,7 @@ static inline int BV (clib_bihash_search_inline_2_with_hash) bucket_index = hash & (h->nbuckets - 1); b = &h->buckets[bucket_index]; - if (b->offset == 0) + if (PREDICT_FALSE (BV (clib_bihash_bucket_is_empty) (b))) return -1; /* Check the cache, if currently unlocked */ |