diff options
| author |   Dave Barach <dbarach@cisco.com> | 2017-08-31 05:58:22 -0400 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2017-08-31 12:02:49 +0000 |
| commit | c8ef08ac63231120900ca08608a61625db28f096 (patch) | |
| tree | 54e7f3f5850bb0124bebb5c31d28004e8e10d59c /src/vppinfra/bihash_template.c | |
| parent | 9746552e98166cd07c5d77b26d805c5e602b0335 (diff) | |
Fix BIHASH_KVP_CACHE_SIZE == 0 case
Setting the bucket-level LRU cache size to zero removes the
bucket-level LRU cache code.
Change-Id: Idf2e63d0d508675e957366515863766f79a3479c
Signed-off-by: Dave Barach <dbarach@cisco.com>
Diffstat (limited to 'src/vppinfra/bihash_template.c')
| -rw-r--r-- | src/vppinfra/bihash_template.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/vppinfra/bihash_template.c b/src/vppinfra/bihash_template.c index b5eb379a0f5..704d1659fc8 100644 --- a/src/vppinfra/bihash_template.c +++ b/src/vppinfra/bihash_template.c @@ -430,7 +430,9 @@ int BV (clib_bihash_search) u64 hash; u32 bucket_index; BVT (clib_bihash_value) * v; +#if BIHASH_KVP_CACHE_SIZE > 0 BVT (clib_bihash_kv) * kvp; +#endif BVT (clib_bihash_bucket) * b; int i, limit; @@ -444,6 +446,7 @@ int BV (clib_bihash_search) if (b->offset == 0) return -1; +#if BIHASH_KVP_CACHE_SIZE > 0 /* Check the cache, if currently enabled */ if (PREDICT_TRUE ((b->cache_lru & (1 << 15)) == 0)) { @@ -459,6 +462,7 @@ int BV (clib_bihash_search) } } } +#endif hash >>= h->log2_nbuckets; @@ -472,9 +476,10 @@ int BV (clib_bihash_search) { if (BV (clib_bihash_key_compare) (v->kvp[i].key, search_key->key)) { - u8 cache_slot; *valuep = v->kvp[i]; +#if BIHASH_KVP_CACHE_SIZE > 0 + u8 cache_slot; /* Shut off the cache */ if (BV (clib_bihash_lock_bucket) (b)) { @@ -486,6 +491,7 @@ int BV (clib_bihash_search) BV (clib_bihash_unlock_bucket) (b); h->cache_misses++; } +#endif return 0; } } @@ -494,6 +500,7 @@ int BV (clib_bihash_search) u8 *BV (format_bihash_lru) (u8 * s, va_list * args) { +#if BIHASH_KVP_SIZE > 0 int i; BVT (clib_bihash_bucket) * b = va_arg (*args, BVT (clib_bihash_bucket) *); u16 cache_lru = b->cache_lru; @@ -502,13 +509,18 @@ u8 *BV (format_bihash_lru) (u8 * s, va_list * args) for (i = 0; i < BIHASH_KVP_CACHE_SIZE; i++) s = format (s, "[%d] ", ((cache_lru >> (3 * i)) & 7)); +#else + return format (s, "cache not configured"); +#endif return (s); } void BV (clib_bihash_update_lru_not_inline) (BVT (clib_bihash_bucket) * b, u8 slot) { +#if BIHASH_KVP_SIZE > 0 BV (clib_bihash_update_lru) (b, slot); +#endif } u8 *BV (format_bihash) (u8 * s, va_list * args) |