tcp: avoid fr segments less than mss if possible

[vpp.git] / src / vppinfra / bihash_8_8.h

diff --git a/src/vppinfra/bihash_8_8.h b/src/vppinfra/bihash_8_8.h
index d70da59..2471871 100644 (file)
--- a/src/vppinfra/bihash_8_8.h
+++ b/src/vppinfra/bihash_8_8.h
@@ -13,9 +13,20 @@
  * limitations under the License.
  */
 #undef BIHASH_TYPE
+#undef BIHASH_KVP_PER_PAGE
+#undef BIHASH_32_64_SVM
+#undef BIHASH_ENABLE_STATS
+#undef BIHASH_KVP_AT_BUCKET_LEVEL
+#undef BIHASH_LAZY_INSTANTIATE
+#undef BIHASH_BUCKET_PREFETCH_CACHE_LINES
+#undef BIHASH_USE_HEAP
 
 #define BIHASH_TYPE _8_8
-#define BIHASH_KVP_PER_PAGE 4
+#define BIHASH_KVP_PER_PAGE 7
+#define BIHASH_KVP_AT_BUCKET_LEVEL 1
+#define BIHASH_LAZY_INSTANTIATE 0
+#define BIHASH_BUCKET_PREFETCH_CACHE_LINES 2
+#define BIHASH_USE_HEAP 1
 
 #ifndef __included_bihash_8_8_h__
 #define __included_bihash_8_8_h__
@@ -24,10 +35,7 @@
 #include <vppinfra/format.h>
 #include <vppinfra/pool.h>
 #include <vppinfra/xxhash.h>
-
-#if __SSE4_2__
-#include <x86intrin.h>
-#endif
+#include <vppinfra/crc32.h>
 
 /** 8 octet key, 8 octet key value pair */
 typedef struct
@@ -36,13 +44,19 @@ typedef struct
   u64 value;                   /**< the value */
 } clib_bihash_kv_8_8_t;
 
+static inline void
+clib_bihash_mark_free_8_8 (clib_bihash_kv_8_8_t *v)
+{
+  v->value = 0xFEEDFACE8BADF00DULL;
+}
+
 /** Decide if a clib_bihash_kv_8_8_t instance is free
     @param v- pointer to the (key,value) pair
 */
 static inline int
 clib_bihash_is_free_8_8 (clib_bihash_kv_8_8_t * v)
 {
-  if (v->key == ~0ULL && v->value == ~0ULL)
+  if (v->value == 0xFEEDFACE8BADF00DULL)
     return 1;
   return 0;
 }
@@ -54,8 +68,8 @@ static inline u64
 clib_bihash_hash_8_8 (clib_bihash_kv_8_8_t * v)
 {
   /* Note: to torture-test linear scan, make this fn return a constant */
-#if __SSE4_2__
-  return _mm_crc32_u64 (0, v->key);
+#ifdef clib_crc32c_uses_intrinsics
+  return clib_crc32c ((u8 *) & v->key, 8);
 #else
   return clib_xxhash (v->key);
 #endif