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-rw-r--r--src/vppinfra/bihash_template.h24
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 */