Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 1515 insertions, 0 deletions

diff --git a/lib/librte_table/rte_table_hash_key16.c b/lib/librte_table/rte_table_hash_key16.c
new file mode 100644
index 00000000..b7e000fd
--- /dev/null
+++ b/lib/librte_table/rte_table_hash_key16.c
@@ -0,0 +1,1515 @@
+/*-
+ *	 BSD LICENSE
+ *
+ *	 Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *	 All rights reserved.
+ *
+ *	 Redistribution and use in source and binary forms, with or without
+ *	 modification, are permitted provided that the following conditions
+ *	 are met:
+ *
+ *	* Redistributions of source code must retain the above copyright
+ *		 notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above copyright
+ *		 notice, this list of conditions and the following disclaimer in
+ *		 the documentation and/or other materials provided with the
+ *		 distribution.
+ *	* Neither the name of Intel Corporation nor the names of its
+ *		 contributors may be used to endorse or promote products derived
+ *		 from this software without specific prior written permission.
+ *
+ *	 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *	 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *	 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *	 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *	 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *	 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *	 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *	 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *	 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *	 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *	 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h>
+#include <stdio.h>
+
+#include <rte_common.h>
+#include <rte_mbuf.h>
+#include <rte_memory.h>
+#include <rte_malloc.h>
+#include <rte_log.h>
+
+#include "rte_table_hash.h"
+#include "rte_lru.h"
+
+#define RTE_TABLE_HASH_KEY_SIZE						16
+
+#define RTE_BUCKET_ENTRY_VALID						0x1LLU
+
+#ifdef RTE_TABLE_STATS_COLLECT
+
+#define RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(table, val) \
+	table->stats.n_pkts_in += val
+#define RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(table, val) \
+	table->stats.n_pkts_lookup_miss += val
+
+#else
+
+#define RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(table, val)
+#define RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(table, val)
+
+#endif
+
+struct rte_bucket_4_16 {
+	/* Cache line 0 */
+	uint64_t signature[4 + 1];
+	uint64_t lru_list;
+	struct rte_bucket_4_16 *next;
+	uint64_t next_valid;
+
+	/* Cache line 1 */
+	uint64_t key[4][2];
+
+	/* Cache line 2 */
+	uint8_t data[0];
+};
+
+struct rte_table_hash {
+	struct rte_table_stats stats;
+
+	/* Input parameters */
+	uint32_t n_buckets;
+	uint32_t n_entries_per_bucket;
+	uint32_t key_size;
+	uint32_t entry_size;
+	uint32_t bucket_size;
+	uint32_t signature_offset;
+	uint32_t key_offset;
+	uint64_t key_mask[2];
+	rte_table_hash_op_hash f_hash;
+	uint64_t seed;
+
+	/* Extendible buckets */
+	uint32_t n_buckets_ext;
+	uint32_t stack_pos;
+	uint32_t *stack;
+
+	/* Lookup table */
+	uint8_t memory[0] __rte_cache_aligned;
+};
+
+static int
+check_params_create_lru(struct rte_table_hash_key16_lru_params *params) {
+	/* n_entries */
+	if (params->n_entries == 0) {
+		RTE_LOG(ERR, TABLE, "%s: n_entries is zero\n", __func__);
+		return -EINVAL;
+	}
+
+	/* f_hash */
+	if (params->f_hash == NULL) {
+		RTE_LOG(ERR, TABLE,
+			"%s: f_hash function pointer is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void *
+rte_table_hash_create_key16_lru(void *params,
+		int socket_id,
+		uint32_t entry_size)
+{
+	struct rte_table_hash_key16_lru_params *p =
+			(struct rte_table_hash_key16_lru_params *) params;
+	struct rte_table_hash *f;
+	uint32_t n_buckets, n_entries_per_bucket,
+			key_size, bucket_size_cl, total_size, i;
+
+	/* Check input parameters */
+	if ((check_params_create_lru(p) != 0) ||
+		((sizeof(struct rte_table_hash) % RTE_CACHE_LINE_SIZE) != 0) ||
+		((sizeof(struct rte_bucket_4_16) % RTE_CACHE_LINE_SIZE) != 0))
+		return NULL;
+	n_entries_per_bucket = 4;
+	key_size = 16;
+
+	/* Memory allocation */
+	n_buckets = rte_align32pow2((p->n_entries + n_entries_per_bucket - 1) /
+		n_entries_per_bucket);
+	bucket_size_cl = (sizeof(struct rte_bucket_4_16) + n_entries_per_bucket
+		* entry_size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE;
+	total_size = sizeof(struct rte_table_hash) + n_buckets *
+		bucket_size_cl * RTE_CACHE_LINE_SIZE;
+
+	f = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id);
+	if (f == NULL) {
+		RTE_LOG(ERR, TABLE,
+		"%s: Cannot allocate %u bytes for hash table\n",
+		__func__, total_size);
+		return NULL;
+	}
+	RTE_LOG(INFO, TABLE,
+		"%s: Hash table memory footprint is %u bytes\n",
+		__func__, total_size);
+
+	/* Memory initialization */
+	f->n_buckets = n_buckets;
+	f->n_entries_per_bucket = n_entries_per_bucket;
+	f->key_size = key_size;
+	f->entry_size = entry_size;
+	f->bucket_size = bucket_size_cl * RTE_CACHE_LINE_SIZE;
+	f->signature_offset = p->signature_offset;
+	f->key_offset = p->key_offset;
+	f->f_hash = p->f_hash;
+	f->seed = p->seed;
+
+	if (p->key_mask != NULL) {
+		f->key_mask[0] = ((uint64_t *)p->key_mask)[0];
+		f->key_mask[1] = ((uint64_t *)p->key_mask)[1];
+	} else {
+		f->key_mask[0] = 0xFFFFFFFFFFFFFFFFLLU;
+		f->key_mask[1] = 0xFFFFFFFFFFFFFFFFLLU;
+	}
+
+	for (i = 0; i < n_buckets; i++) {
+		struct rte_bucket_4_16 *bucket;
+
+		bucket = (struct rte_bucket_4_16 *) &f->memory[i *
+			f->bucket_size];
+		lru_init(bucket);
+	}
+
+	return f;
+}
+
+static int
+rte_table_hash_free_key16_lru(void *table)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+
+	/* Check input parameters */
+	if (f == NULL) {
+		RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	rte_free(f);
+	return 0;
+}
+
+static int
+rte_table_hash_entry_add_key16_lru(
+	void *table,
+	void *key,
+	void *entry,
+	int *key_found,
+	void **entry_ptr)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket;
+	uint64_t signature, pos;
+	uint32_t bucket_index, i;
+
+	signature = f->f_hash(key, f->key_size, f->seed);
+	bucket_index = signature & (f->n_buckets - 1);
+	bucket = (struct rte_bucket_4_16 *)
+			&f->memory[bucket_index * f->bucket_size];
+	signature |= RTE_BUCKET_ENTRY_VALID;
+
+	/* Key is present in the bucket */
+	for (i = 0; i < 4; i++) {
+		uint64_t bucket_signature = bucket->signature[i];
+		uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+		if ((bucket_signature == signature) &&
+				(memcmp(key, bucket_key, f->key_size) == 0)) {
+			uint8_t *bucket_data = &bucket->data[i * f->entry_size];
+
+			memcpy(bucket_data, entry, f->entry_size);
+			lru_update(bucket, i);
+			*key_found = 1;
+			*entry_ptr = (void *) bucket_data;
+			return 0;
+		}
+	}
+
+	/* Key is not present in the bucket */
+	for (i = 0; i < 4; i++) {
+		uint64_t bucket_signature = bucket->signature[i];
+		uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+		if (bucket_signature == 0) {
+			uint8_t *bucket_data = &bucket->data[i * f->entry_size];
+
+			bucket->signature[i] = signature;
+			memcpy(bucket_key, key, f->key_size);
+			memcpy(bucket_data, entry, f->entry_size);
+			lru_update(bucket, i);
+			*key_found = 0;
+			*entry_ptr = (void *) bucket_data;
+
+			return 0;
+		}
+	}
+
+	/* Bucket full: replace LRU entry */
+	pos = lru_pos(bucket);
+	bucket->signature[pos] = signature;
+	memcpy(bucket->key[pos], key, f->key_size);
+	memcpy(&bucket->data[pos * f->entry_size], entry, f->entry_size);
+	lru_update(bucket, pos);
+	*key_found = 0;
+	*entry_ptr = (void *) &bucket->data[pos * f->entry_size];
+
+	return 0;
+}
+
+static int
+rte_table_hash_entry_delete_key16_lru(
+	void *table,
+	void *key,
+	int *key_found,
+	void *entry)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket;
+	uint64_t signature;
+	uint32_t bucket_index, i;
+
+	signature = f->f_hash(key, f->key_size, f->seed);
+	bucket_index = signature & (f->n_buckets - 1);
+	bucket = (struct rte_bucket_4_16 *)
+			&f->memory[bucket_index * f->bucket_size];
+	signature |= RTE_BUCKET_ENTRY_VALID;
+
+	/* Key is present in the bucket */
+	for (i = 0; i < 4; i++) {
+		uint64_t bucket_signature = bucket->signature[i];
+		uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+		if ((bucket_signature == signature) &&
+				(memcmp(key, bucket_key, f->key_size) == 0)) {
+			uint8_t *bucket_data = &bucket->data[i * f->entry_size];
+
+			bucket->signature[i] = 0;
+			*key_found = 1;
+			if (entry)
+				memcpy(entry, bucket_data, f->entry_size);
+			return 0;
+		}
+	}
+
+	/* Key is not present in the bucket */
+	*key_found = 0;
+	return 0;
+}
+
+static int
+check_params_create_ext(struct rte_table_hash_key16_ext_params *params) {
+	/* n_entries */
+	if (params->n_entries == 0) {
+		RTE_LOG(ERR, TABLE, "%s: n_entries is zero\n", __func__);
+		return -EINVAL;
+	}
+
+	/* n_entries_ext */
+	if (params->n_entries_ext == 0) {
+		RTE_LOG(ERR, TABLE, "%s: n_entries_ext is zero\n", __func__);
+		return -EINVAL;
+	}
+
+	/* f_hash */
+	if (params->f_hash == NULL) {
+		RTE_LOG(ERR, TABLE,
+			"%s: f_hash function pointer is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void *
+rte_table_hash_create_key16_ext(void *params,
+		int socket_id,
+		uint32_t entry_size)
+{
+	struct rte_table_hash_key16_ext_params *p =
+			(struct rte_table_hash_key16_ext_params *) params;
+	struct rte_table_hash *f;
+	uint32_t n_buckets, n_buckets_ext, n_entries_per_bucket, key_size,
+			bucket_size_cl, stack_size_cl, total_size, i;
+
+	/* Check input parameters */
+	if ((check_params_create_ext(p) != 0) ||
+		((sizeof(struct rte_table_hash) % RTE_CACHE_LINE_SIZE) != 0) ||
+		((sizeof(struct rte_bucket_4_16) % RTE_CACHE_LINE_SIZE) != 0))
+		return NULL;
+
+	n_entries_per_bucket = 4;
+	key_size = 16;
+
+	/* Memory allocation */
+	n_buckets = rte_align32pow2((p->n_entries + n_entries_per_bucket - 1) /
+		n_entries_per_bucket);
+	n_buckets_ext = (p->n_entries_ext + n_entries_per_bucket - 1) /
+		n_entries_per_bucket;
+	bucket_size_cl = (sizeof(struct rte_bucket_4_16) + n_entries_per_bucket
+		* entry_size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE;
+	stack_size_cl = (n_buckets_ext * sizeof(uint32_t) + RTE_CACHE_LINE_SIZE - 1)
+		/ RTE_CACHE_LINE_SIZE;
+	total_size = sizeof(struct rte_table_hash) +
+		((n_buckets + n_buckets_ext) * bucket_size_cl + stack_size_cl) *
+		RTE_CACHE_LINE_SIZE;
+
+	f = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id);
+	if (f == NULL) {
+		RTE_LOG(ERR, TABLE,
+			"%s: Cannot allocate %u bytes for hash table\n",
+			__func__, total_size);
+		return NULL;
+	}
+	RTE_LOG(INFO, TABLE,
+		"%s: Hash table memory footprint is %u bytes\n",
+		__func__, total_size);
+
+	/* Memory initialization */
+	f->n_buckets = n_buckets;
+	f->n_entries_per_bucket = n_entries_per_bucket;
+	f->key_size = key_size;
+	f->entry_size = entry_size;
+	f->bucket_size = bucket_size_cl * RTE_CACHE_LINE_SIZE;
+	f->signature_offset = p->signature_offset;
+	f->key_offset = p->key_offset;
+	f->f_hash = p->f_hash;
+	f->seed = p->seed;
+
+	f->n_buckets_ext = n_buckets_ext;
+	f->stack_pos = n_buckets_ext;
+	f->stack = (uint32_t *)
+		&f->memory[(n_buckets + n_buckets_ext) * f->bucket_size];
+
+	for (i = 0; i < n_buckets_ext; i++)
+		f->stack[i] = i;
+
+	if (p->key_mask != NULL) {
+		f->key_mask[0] = (((uint64_t *)p->key_mask)[0]);
+		f->key_mask[1] = (((uint64_t *)p->key_mask)[1]);
+	} else {
+		f->key_mask[0] = 0xFFFFFFFFFFFFFFFFLLU;
+		f->key_mask[1] = 0xFFFFFFFFFFFFFFFFLLU;
+	}
+
+	return f;
+}
+
+static int
+rte_table_hash_free_key16_ext(void *table)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+
+	/* Check input parameters */
+	if (f == NULL) {
+		RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	rte_free(f);
+	return 0;
+}
+
+static int
+rte_table_hash_entry_add_key16_ext(
+	void *table,
+	void *key,
+	void *entry,
+	int *key_found,
+	void **entry_ptr)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket0, *bucket, *bucket_prev;
+	uint64_t signature;
+	uint32_t bucket_index, i;
+
+	signature = f->f_hash(key, f->key_size, f->seed);
+	bucket_index = signature & (f->n_buckets - 1);
+	bucket0 = (struct rte_bucket_4_16 *)
+			&f->memory[bucket_index * f->bucket_size];
+	signature |= RTE_BUCKET_ENTRY_VALID;
+
+	/* Key is present in the bucket */
+	for (bucket = bucket0; bucket != NULL; bucket = bucket->next)
+		for (i = 0; i < 4; i++) {
+			uint64_t bucket_signature = bucket->signature[i];
+			uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+			if ((bucket_signature == signature) &&
+				(memcmp(key, bucket_key, f->key_size) == 0)) {
+				uint8_t *bucket_data = &bucket->data[i *
+					f->entry_size];
+
+				memcpy(bucket_data, entry, f->entry_size);
+				*key_found = 1;
+				*entry_ptr = (void *) bucket_data;
+				return 0;
+			}
+		}
+
+	/* Key is not present in the bucket */
+	for (bucket_prev = NULL, bucket = bucket0; bucket != NULL;
+			 bucket_prev = bucket, bucket = bucket->next)
+		for (i = 0; i < 4; i++) {
+			uint64_t bucket_signature = bucket->signature[i];
+			uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+			if (bucket_signature == 0) {
+				uint8_t *bucket_data = &bucket->data[i *
+					f->entry_size];
+
+				bucket->signature[i] = signature;
+				memcpy(bucket_key, key, f->key_size);
+				memcpy(bucket_data, entry, f->entry_size);
+				*key_found = 0;
+				*entry_ptr = (void *) bucket_data;
+
+				return 0;
+			}
+		}
+
+	/* Bucket full: extend bucket */
+	if (f->stack_pos > 0) {
+		bucket_index = f->stack[--f->stack_pos];
+
+		bucket = (struct rte_bucket_4_16 *) &f->memory[(f->n_buckets +
+			bucket_index) * f->bucket_size];
+		bucket_prev->next = bucket;
+		bucket_prev->next_valid = 1;
+
+		bucket->signature[0] = signature;
+		memcpy(bucket->key[0], key, f->key_size);
+		memcpy(&bucket->data[0], entry, f->entry_size);
+		*key_found = 0;
+		*entry_ptr = (void *) &bucket->data[0];
+		return 0;
+	}
+
+	return -ENOSPC;
+}
+
+static int
+rte_table_hash_entry_delete_key16_ext(
+	void *table,
+	void *key,
+	int *key_found,
+	void *entry)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket0, *bucket, *bucket_prev;
+	uint64_t signature;
+	uint32_t bucket_index, i;
+
+	signature = f->f_hash(key, f->key_size, f->seed);
+	bucket_index = signature & (f->n_buckets - 1);
+	bucket0 = (struct rte_bucket_4_16 *)
+		&f->memory[bucket_index * f->bucket_size];
+	signature |= RTE_BUCKET_ENTRY_VALID;
+
+	/* Key is present in the bucket */
+	for (bucket_prev = NULL, bucket = bucket0; bucket != NULL;
+		bucket_prev = bucket, bucket = bucket->next)
+		for (i = 0; i < 4; i++) {
+			uint64_t bucket_signature = bucket->signature[i];
+			uint8_t *bucket_key = (uint8_t *) bucket->key[i];
+
+			if ((bucket_signature == signature) &&
+				(memcmp(key, bucket_key, f->key_size) == 0)) {
+				uint8_t *bucket_data = &bucket->data[i *
+					f->entry_size];
+
+				bucket->signature[i] = 0;
+				*key_found = 1;
+				if (entry)
+					memcpy(entry, bucket_data,
+					f->entry_size);
+
+				if ((bucket->signature[0] == 0) &&
+					(bucket->signature[1] == 0) &&
+					(bucket->signature[2] == 0) &&
+					(bucket->signature[3] == 0) &&
+					(bucket_prev != NULL)) {
+					bucket_prev->next = bucket->next;
+					bucket_prev->next_valid =
+						bucket->next_valid;
+
+					memset(bucket, 0,
+						sizeof(struct rte_bucket_4_16));
+					bucket_index = (((uint8_t *)bucket -
+						(uint8_t *)f->memory)/f->bucket_size) - f->n_buckets;
+					f->stack[f->stack_pos++] = bucket_index;
+				}
+
+				return 0;
+			}
+		}
+
+	/* Key is not present in the bucket */
+	*key_found = 0;
+	return 0;
+}
+
+#define lookup_key16_cmp(key_in, bucket, pos)			\
+{								\
+	uint64_t xor[4][2], or[4], signature[4];		\
+								\
+	signature[0] = (~bucket->signature[0]) & 1;		\
+	signature[1] = (~bucket->signature[1]) & 1;		\
+	signature[2] = (~bucket->signature[2]) & 1;		\
+	signature[3] = (~bucket->signature[3]) & 1;		\
+								\
+	xor[0][0] = key_in[0] ^	 bucket->key[0][0];		\
+	xor[0][1] = key_in[1] ^	 bucket->key[0][1];		\
+								\
+	xor[1][0] = key_in[0] ^	 bucket->key[1][0];		\
+	xor[1][1] = key_in[1] ^	 bucket->key[1][1];		\
+								\
+	xor[2][0] = key_in[0] ^	 bucket->key[2][0];		\
+	xor[2][1] = key_in[1] ^	 bucket->key[2][1];		\
+								\
+	xor[3][0] = key_in[0] ^	 bucket->key[3][0];		\
+	xor[3][1] = key_in[1] ^	 bucket->key[3][1];		\
+								\
+	or[0] = xor[0][0] | xor[0][1] | signature[0];		\
+	or[1] = xor[1][0] | xor[1][1] | signature[1];		\
+	or[2] = xor[2][0] | xor[2][1] | signature[2];		\
+	or[3] = xor[3][0] | xor[3][1] | signature[3];		\
+								\
+	pos = 4;						\
+	if (or[0] == 0)						\
+		pos = 0;					\
+	if (or[1] == 0)						\
+		pos = 1;					\
+	if (or[2] == 0)						\
+		pos = 2;					\
+	if (or[3] == 0)						\
+		pos = 3;					\
+}
+
+#define lookup1_stage0(pkt0_index, mbuf0, pkts, pkts_mask, f)	\
+{								\
+	uint64_t pkt_mask;					\
+	uint32_t key_offset = f->key_offset;\
+								\
+	pkt0_index = __builtin_ctzll(pkts_mask);		\
+	pkt_mask = 1LLU << pkt0_index;				\
+	pkts_mask &= ~pkt_mask;					\
+								\
+	mbuf0 = pkts[pkt0_index];				\
+	rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf0, key_offset));\
+}
+
+#define lookup1_stage1(mbuf1, bucket1, f)			\
+{								\
+	uint64_t signature;					\
+	uint32_t bucket_index;					\
+								\
+	signature = RTE_MBUF_METADATA_UINT32(mbuf1, f->signature_offset);\
+	bucket_index = signature & (f->n_buckets - 1);		\
+	bucket1 = (struct rte_bucket_4_16 *)			\
+		&f->memory[bucket_index * f->bucket_size];	\
+	rte_prefetch0(bucket1);					\
+	rte_prefetch0((void *)(((uintptr_t) bucket1) + RTE_CACHE_LINE_SIZE));\
+}
+
+#define lookup1_stage1_dosig(mbuf1, bucket1, f)			\
+{								\
+	uint64_t *key;						\
+	uint64_t signature = 0;				\
+	uint32_t bucket_index;				\
+	uint64_t hash_key_buffer[2];		\
+								\
+	key = RTE_MBUF_METADATA_UINT64_PTR(mbuf1, f->key_offset);\
+								\
+	hash_key_buffer[0] = key[0] & f->key_mask[0];	\
+	hash_key_buffer[1] = key[1] & f->key_mask[1];	\
+	signature = f->f_hash(hash_key_buffer,			\
+			RTE_TABLE_HASH_KEY_SIZE, f->seed);		\
+								\
+	bucket_index = signature & (f->n_buckets - 1);		\
+	bucket1 = (struct rte_bucket_4_16 *)			\
+		&f->memory[bucket_index * f->bucket_size];	\
+	rte_prefetch0(bucket1);					\
+	rte_prefetch0((void *)(((uintptr_t) bucket1) + RTE_CACHE_LINE_SIZE));\
+}
+
+#define lookup1_stage2_lru(pkt2_index, mbuf2, bucket2,		\
+		pkts_mask_out, entries, f)			\
+{								\
+	void *a;						\
+	uint64_t pkt_mask;					\
+	uint64_t *key;						\
+	uint64_t hash_key_buffer[2];		\
+	uint32_t pos;						\
+								\
+	key = RTE_MBUF_METADATA_UINT64_PTR(mbuf2, f->key_offset);\
+	hash_key_buffer[0] = key[0] & f->key_mask[0];	\
+	hash_key_buffer[1] = key[1] & f->key_mask[1];	\
+								\
+	lookup_key16_cmp(hash_key_buffer, bucket2, pos);	\
+								\
+	pkt_mask = (bucket2->signature[pos] & 1LLU) << pkt2_index;\
+	pkts_mask_out |= pkt_mask;				\
+								\
+	a = (void *) &bucket2->data[pos * f->entry_size];	\
+	rte_prefetch0(a);					\
+	entries[pkt2_index] = a;				\
+	lru_update(bucket2, pos);				\
+}
+
+#define lookup1_stage2_ext(pkt2_index, mbuf2, bucket2, pkts_mask_out, entries, \
+	buckets_mask, buckets, keys, f)				\
+{								\
+	struct rte_bucket_4_16 *bucket_next;			\
+	void *a;						\
+	uint64_t pkt_mask, bucket_mask;				\
+	uint64_t *key;						\
+	uint64_t hash_key_buffer[2];		\
+	uint32_t pos;						\
+								\
+	key = RTE_MBUF_METADATA_UINT64_PTR(mbuf2, f->key_offset);\
+	hash_key_buffer[0] = key[0] & f->key_mask[0];	\
+	hash_key_buffer[1] = key[1] & f->key_mask[1];	\
+								\
+	lookup_key16_cmp(hash_key_buffer, bucket2, pos);	\
+								\
+	pkt_mask = (bucket2->signature[pos] & 1LLU) << pkt2_index;\
+	pkts_mask_out |= pkt_mask;				\
+								\
+	a = (void *) &bucket2->data[pos * f->entry_size];	\
+	rte_prefetch0(a);					\
+	entries[pkt2_index] = a;				\
+								\
+	bucket_mask = (~pkt_mask) & (bucket2->next_valid << pkt2_index);\
+	buckets_mask |= bucket_mask;				\
+	bucket_next = bucket2->next;				\
+	buckets[pkt2_index] = bucket_next;			\
+	keys[pkt2_index] = key;					\
+}
+
+#define lookup_grinder(pkt_index, buckets, keys, pkts_mask_out, entries,\
+	buckets_mask, f)					\
+{								\
+	struct rte_bucket_4_16 *bucket, *bucket_next;		\
+	void *a;						\
+	uint64_t pkt_mask, bucket_mask;				\
+	uint64_t *key;						\
+	uint64_t hash_key_buffer[2];		\
+	uint32_t pos;						\
+								\
+	bucket = buckets[pkt_index];				\
+	key = keys[pkt_index];					\
+	hash_key_buffer[0] = key[0] & f->key_mask[0];	\
+	hash_key_buffer[1] = key[1] & f->key_mask[1];	\
+								\
+	lookup_key16_cmp(hash_key_buffer, bucket, pos);	\
+								\
+	pkt_mask = (bucket->signature[pos] & 1LLU) << pkt_index;\
+	pkts_mask_out |= pkt_mask;				\
+								\
+	a = (void *) &bucket->data[pos * f->entry_size];	\
+	rte_prefetch0(a);					\
+	entries[pkt_index] = a;					\
+								\
+	bucket_mask = (~pkt_mask) & (bucket->next_valid << pkt_index);\
+	buckets_mask |= bucket_mask;				\
+	bucket_next = bucket->next;				\
+	rte_prefetch0(bucket_next);				\
+	rte_prefetch0((void *)(((uintptr_t) bucket_next) + RTE_CACHE_LINE_SIZE));\
+	buckets[pkt_index] = bucket_next;			\
+	keys[pkt_index] = key;					\
+}
+
+#define lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01,\
+		pkts, pkts_mask, f)				\
+{								\
+	uint64_t pkt00_mask, pkt01_mask;			\
+	uint32_t key_offset = f->key_offset;		\
+								\
+	pkt00_index = __builtin_ctzll(pkts_mask);		\
+	pkt00_mask = 1LLU << pkt00_index;			\
+	pkts_mask &= ~pkt00_mask;				\
+								\
+	mbuf00 = pkts[pkt00_index];				\
+	rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf00, key_offset));\
+								\
+	pkt01_index = __builtin_ctzll(pkts_mask);		\
+	pkt01_mask = 1LLU << pkt01_index;			\
+	pkts_mask &= ~pkt01_mask;				\
+								\
+	mbuf01 = pkts[pkt01_index];				\
+	rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf01, key_offset));\
+}
+
+#define lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,\
+		mbuf00, mbuf01, pkts, pkts_mask, f)		\
+{								\
+	uint64_t pkt00_mask, pkt01_mask;			\
+	uint32_t key_offset = f->key_offset;		\
+								\
+	pkt00_index = __builtin_ctzll(pkts_mask);		\
+	pkt00_mask = 1LLU << pkt00_index;			\
+	pkts_mask &= ~pkt00_mask;				\
+								\
+	mbuf00 = pkts[pkt00_index];				\
+	rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf00, key_offset));	\
+								\
+	pkt01_index = __builtin_ctzll(pkts_mask);		\
+	if (pkts_mask == 0)					\
+		pkt01_index = pkt00_index;			\
+	pkt01_mask = 1LLU << pkt01_index;			\
+	pkts_mask &= ~pkt01_mask;				\
+								\
+	mbuf01 = pkts[pkt01_index];				\
+	rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf01, key_offset));	\
+}
+
+#define lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f)	\
+{								\
+	uint64_t signature10, signature11;			\
+	uint32_t bucket10_index, bucket11_index;		\
+								\
+	signature10 = RTE_MBUF_METADATA_UINT32(mbuf10, f->signature_offset);\
+	bucket10_index = signature10 & (f->n_buckets - 1);	\
+	bucket10 = (struct rte_bucket_4_16 *)			\
+		&f->memory[bucket10_index * f->bucket_size];	\
+	rte_prefetch0(bucket10);				\
+	rte_prefetch0((void *)(((uintptr_t) bucket10) + RTE_CACHE_LINE_SIZE));\
+								\
+	signature11 = RTE_MBUF_METADATA_UINT32(mbuf11, f->signature_offset);\
+	bucket11_index = signature11 & (f->n_buckets - 1);	\
+	bucket11 = (struct rte_bucket_4_16 *)			\
+		&f->memory[bucket11_index * f->bucket_size];	\
+	rte_prefetch0(bucket11);				\
+	rte_prefetch0((void *)(((uintptr_t) bucket11) + RTE_CACHE_LINE_SIZE));\
+}
+
+#define lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f)	\
+{								\
+	uint64_t *key10, *key11;					\
+	uint64_t hash_offset_buffer[2];				\
+	uint64_t signature10, signature11;			\
+	uint32_t bucket10_index, bucket11_index;	\
+								\
+	key10 = RTE_MBUF_METADATA_UINT64_PTR(mbuf10, f->key_offset);\
+	hash_offset_buffer[0] = key10[0] & f->key_mask[0];	\
+	hash_offset_buffer[1] = key10[1] & f->key_mask[1];	\
+	signature10 = f->f_hash(hash_offset_buffer,			\
+			RTE_TABLE_HASH_KEY_SIZE, f->seed);\
+	bucket10_index = signature10 & (f->n_buckets - 1);	\
+	bucket10 = (struct rte_bucket_4_16 *)				\
+		&f->memory[bucket10_index * f->bucket_size];	\
+	rte_prefetch0(bucket10);				\
+	rte_prefetch0((void *)(((uintptr_t) bucket10) + RTE_CACHE_LINE_SIZE));\
+								\
+	key11 = RTE_MBUF_METADATA_UINT64_PTR(mbuf11, f->key_offset);\
+	hash_offset_buffer[0] = key11[0] & f->key_mask[0];	\
+	hash_offset_buffer[1] = key11[1] & f->key_mask[1];	\
+	signature11 = f->f_hash(hash_offset_buffer,			\
+			RTE_TABLE_HASH_KEY_SIZE, f->seed);\
+	bucket11_index = signature11 & (f->n_buckets - 1);	\
+	bucket11 = (struct rte_bucket_4_16 *)			\
+		&f->memory[bucket11_index * f->bucket_size];	\
+	rte_prefetch0(bucket11);				\
+	rte_prefetch0((void *)(((uintptr_t) bucket11) + RTE_CACHE_LINE_SIZE));\
+}
+
+#define lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,\
+		bucket20, bucket21, pkts_mask_out, entries, f)	\
+{								\
+	void *a20, *a21;					\
+	uint64_t pkt20_mask, pkt21_mask;			\
+	uint64_t *key20, *key21;				\
+	uint64_t hash_key_buffer20[2];			\
+	uint64_t hash_key_buffer21[2];			\
+	uint32_t pos20, pos21;					\
+								\
+	key20 = RTE_MBUF_METADATA_UINT64_PTR(mbuf20, f->key_offset);\
+	key21 = RTE_MBUF_METADATA_UINT64_PTR(mbuf21, f->key_offset);\
+	hash_key_buffer20[0] = key20[0] & f->key_mask[0];	\
+	hash_key_buffer20[1] = key20[1] & f->key_mask[1];	\
+	hash_key_buffer21[0] = key21[0] & f->key_mask[0];	\
+	hash_key_buffer21[1] = key21[1] & f->key_mask[1];	\
+								\
+	lookup_key16_cmp(hash_key_buffer20, bucket20, pos20);	\
+	lookup_key16_cmp(hash_key_buffer21, bucket21, pos21);	\
+								\
+	pkt20_mask = (bucket20->signature[pos20] & 1LLU) << pkt20_index;\
+	pkt21_mask = (bucket21->signature[pos21] & 1LLU) << pkt21_index;\
+	pkts_mask_out |= pkt20_mask | pkt21_mask;			\
+								\
+	a20 = (void *) &bucket20->data[pos20 * f->entry_size];	\
+	a21 = (void *) &bucket21->data[pos21 * f->entry_size];	\
+	rte_prefetch0(a20);					\
+	rte_prefetch0(a21);					\
+	entries[pkt20_index] = a20;				\
+	entries[pkt21_index] = a21;				\
+	lru_update(bucket20, pos20);				\
+	lru_update(bucket21, pos21);				\
+}
+
+#define lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21, bucket20, \
+	bucket21, pkts_mask_out, entries, buckets_mask, buckets, keys, f) \
+{								\
+	struct rte_bucket_4_16 *bucket20_next, *bucket21_next;	\
+	void *a20, *a21;					\
+	uint64_t pkt20_mask, pkt21_mask, bucket20_mask, bucket21_mask;\
+	uint64_t *key20, *key21;				\
+	uint64_t hash_key_buffer20[2];			\
+	uint64_t hash_key_buffer21[2];			\
+	uint32_t pos20, pos21;					\
+								\
+	key20 = RTE_MBUF_METADATA_UINT64_PTR(mbuf20, f->key_offset);\
+	key21 = RTE_MBUF_METADATA_UINT64_PTR(mbuf21, f->key_offset);\
+	hash_key_buffer20[0] = key20[0] & f->key_mask[0];	\
+	hash_key_buffer20[1] = key20[1] & f->key_mask[1];	\
+	hash_key_buffer21[0] = key21[0] & f->key_mask[0];	\
+	hash_key_buffer21[1] = key21[1] & f->key_mask[1];	\
+								\
+	lookup_key16_cmp(hash_key_buffer20, bucket20, pos20);	\
+	lookup_key16_cmp(hash_key_buffer21, bucket21, pos21);	\
+								\
+	pkt20_mask = (bucket20->signature[pos20] & 1LLU) << pkt20_index;\
+	pkt21_mask = (bucket21->signature[pos21] & 1LLU) << pkt21_index;\
+	pkts_mask_out |= pkt20_mask | pkt21_mask;		\
+								\
+	a20 = (void *) &bucket20->data[pos20 * f->entry_size];	\
+	a21 = (void *) &bucket21->data[pos21 * f->entry_size];	\
+	rte_prefetch0(a20);					\
+	rte_prefetch0(a21);					\
+	entries[pkt20_index] = a20;				\
+	entries[pkt21_index] = a21;				\
+								\
+	bucket20_mask = (~pkt20_mask) & (bucket20->next_valid << pkt20_index);\
+	bucket21_mask = (~pkt21_mask) & (bucket21->next_valid << pkt21_index);\
+	buckets_mask |= bucket20_mask | bucket21_mask;		\
+	bucket20_next = bucket20->next;				\
+	bucket21_next = bucket21->next;				\
+	buckets[pkt20_index] = bucket20_next;			\
+	buckets[pkt21_index] = bucket21_next;			\
+	keys[pkt20_index] = key20;				\
+	keys[pkt21_index] = key21;				\
+}
+
+static int
+rte_table_hash_lookup_key16_lru(
+	void *table,
+	struct rte_mbuf **pkts,
+	uint64_t pkts_mask,
+	uint64_t *lookup_hit_mask,
+	void **entries)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket10, *bucket11, *bucket20, *bucket21;
+	struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
+	uint32_t pkt00_index, pkt01_index, pkt10_index;
+	uint32_t pkt11_index, pkt20_index, pkt21_index;
+	uint64_t pkts_mask_out = 0;
+
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(f, n_pkts_in);
+
+	/* Cannot run the pipeline with less than 5 packets */
+	if (__builtin_popcountll(pkts_mask) < 5) {
+		for ( ; pkts_mask; ) {
+			struct rte_bucket_4_16 *bucket;
+			struct rte_mbuf *mbuf;
+			uint32_t pkt_index;
+
+			lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask, f);
+			lookup1_stage1(mbuf, bucket, f);
+			lookup1_stage2_lru(pkt_index, mbuf, bucket,
+				pkts_mask_out, entries, f);
+		}
+
+		*lookup_hit_mask = pkts_mask_out;
+		RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f,
+			n_pkts_in - __builtin_popcountll(pkts_mask_out));
+		return 0;
+	}
+
+	/*
+	 * Pipeline fill
+	 *
+	 */
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline feed */
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline stage 1 */
+	lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/*
+	 * Pipeline run
+	 *
+	 */
+	for ( ; pkts_mask; ) {
+		/* Pipeline feed */
+		bucket20 = bucket10;
+		bucket21 = bucket11;
+		mbuf20 = mbuf10;
+		mbuf21 = mbuf11;
+		mbuf10 = mbuf00;
+		mbuf11 = mbuf01;
+		pkt20_index = pkt10_index;
+		pkt21_index = pkt11_index;
+		pkt10_index = pkt00_index;
+		pkt11_index = pkt01_index;
+
+		/* Pipeline stage 0 */
+		lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
+			mbuf00, mbuf01, pkts, pkts_mask, f);
+
+		/* Pipeline stage 1 */
+		lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+		/* Pipeline stage 2 */
+		lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+			bucket20, bucket21, pkts_mask_out, entries, f);
+	}
+
+	/*
+	 * Pipeline flush
+	 *
+	 */
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 1 */
+	lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries, f);
+
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries, f);
+
+	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f, n_pkts_in -
+		__builtin_popcountll(pkts_mask_out));
+	return 0;
+} /* rte_table_hash_lookup_key16_lru() */
+
+static int
+rte_table_hash_lookup_key16_lru_dosig(
+	void *table,
+	struct rte_mbuf **pkts,
+	uint64_t pkts_mask,
+	uint64_t *lookup_hit_mask,
+	void **entries)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket10, *bucket11, *bucket20, *bucket21;
+	struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
+	uint32_t pkt00_index, pkt01_index, pkt10_index;
+	uint32_t pkt11_index, pkt20_index, pkt21_index;
+	uint64_t pkts_mask_out = 0;
+
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(f, n_pkts_in);
+
+	/* Cannot run the pipeline with less than 5 packets */
+	if (__builtin_popcountll(pkts_mask) < 5) {
+		for ( ; pkts_mask; ) {
+			struct rte_bucket_4_16 *bucket;
+			struct rte_mbuf *mbuf;
+			uint32_t pkt_index;
+
+			lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask, f);
+			lookup1_stage1_dosig(mbuf, bucket, f);
+			lookup1_stage2_lru(pkt_index, mbuf, bucket,
+				pkts_mask_out, entries, f);
+		}
+
+		*lookup_hit_mask = pkts_mask_out;
+		RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f, n_pkts_in -
+			__builtin_popcountll(pkts_mask_out));
+		return 0;
+	}
+
+	/*
+	 * Pipeline fill
+	 *
+	 */
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline feed */
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline stage 1 */
+	lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/*
+	 * Pipeline run
+	 *
+	 */
+	for ( ; pkts_mask; ) {
+		/* Pipeline feed */
+		bucket20 = bucket10;
+		bucket21 = bucket11;
+		mbuf20 = mbuf10;
+		mbuf21 = mbuf11;
+		mbuf10 = mbuf00;
+		mbuf11 = mbuf01;
+		pkt20_index = pkt10_index;
+		pkt21_index = pkt11_index;
+		pkt10_index = pkt00_index;
+		pkt11_index = pkt01_index;
+
+		/* Pipeline stage 0 */
+		lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
+			mbuf00, mbuf01, pkts, pkts_mask, f);
+
+		/* Pipeline stage 1 */
+		lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+		/* Pipeline stage 2 */
+		lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+			bucket20, bucket21, pkts_mask_out, entries, f);
+	}
+
+	/*
+	 * Pipeline flush
+	 *
+	 */
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 1 */
+	lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries, f);
+
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries, f);
+
+	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f, n_pkts_in -
+		__builtin_popcountll(pkts_mask_out));
+	return 0;
+} /* rte_table_hash_lookup_key16_lru_dosig() */
+
+static int
+rte_table_hash_lookup_key16_ext(
+	void *table,
+	struct rte_mbuf **pkts,
+	uint64_t pkts_mask,
+	uint64_t *lookup_hit_mask,
+	void **entries)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket10, *bucket11, *bucket20, *bucket21;
+	struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
+	uint32_t pkt00_index, pkt01_index, pkt10_index;
+	uint32_t pkt11_index, pkt20_index, pkt21_index;
+	uint64_t pkts_mask_out = 0, buckets_mask = 0;
+	struct rte_bucket_4_16 *buckets[RTE_PORT_IN_BURST_SIZE_MAX];
+	uint64_t *keys[RTE_PORT_IN_BURST_SIZE_MAX];
+
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(f, n_pkts_in);
+
+	/* Cannot run the pipeline with less than 5 packets */
+	if (__builtin_popcountll(pkts_mask) < 5) {
+		for ( ; pkts_mask; ) {
+			struct rte_bucket_4_16 *bucket;
+			struct rte_mbuf *mbuf;
+			uint32_t pkt_index;
+
+			lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask, f);
+			lookup1_stage1(mbuf, bucket, f);
+			lookup1_stage2_ext(pkt_index, mbuf, bucket,
+				pkts_mask_out, entries, buckets_mask,
+				buckets, keys, f);
+		}
+
+		goto grind_next_buckets;
+	}
+
+	/*
+	 * Pipeline fill
+	 *
+	 */
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline feed */
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline stage 1 */
+	lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/*
+	 * Pipeline run
+	 *
+	 */
+	for ( ; pkts_mask; ) {
+		/* Pipeline feed */
+		bucket20 = bucket10;
+		bucket21 = bucket11;
+		mbuf20 = mbuf10;
+		mbuf21 = mbuf11;
+		mbuf10 = mbuf00;
+		mbuf11 = mbuf01;
+		pkt20_index = pkt10_index;
+		pkt21_index = pkt11_index;
+		pkt10_index = pkt00_index;
+		pkt11_index = pkt01_index;
+
+		/* Pipeline stage 0 */
+		lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
+			mbuf00, mbuf01, pkts, pkts_mask, f);
+
+		/* Pipeline stage 1 */
+		lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+		/* Pipeline stage 2 */
+		lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+			bucket20, bucket21, pkts_mask_out, entries,
+			buckets_mask, buckets, keys, f);
+	}
+
+	/*
+	 * Pipeline flush
+	 *
+	 */
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 1 */
+	lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries,
+		buckets_mask, buckets, keys, f);
+
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries,
+		buckets_mask, buckets, keys, f);
+
+grind_next_buckets:
+	/* Grind next buckets */
+	for ( ; buckets_mask; ) {
+		uint64_t buckets_mask_next = 0;
+
+		for ( ; buckets_mask; ) {
+			uint64_t pkt_mask;
+			uint32_t pkt_index;
+
+			pkt_index = __builtin_ctzll(buckets_mask);
+			pkt_mask = 1LLU << pkt_index;
+			buckets_mask &= ~pkt_mask;
+
+			lookup_grinder(pkt_index, buckets, keys, pkts_mask_out,
+				entries, buckets_mask_next, f);
+		}
+
+		buckets_mask = buckets_mask_next;
+	}
+
+	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f, n_pkts_in -
+		__builtin_popcountll(pkts_mask_out));
+	return 0;
+} /* rte_table_hash_lookup_key16_ext() */
+
+static int
+rte_table_hash_lookup_key16_ext_dosig(
+	void *table,
+	struct rte_mbuf **pkts,
+	uint64_t pkts_mask,
+	uint64_t *lookup_hit_mask,
+	void **entries)
+{
+	struct rte_table_hash *f = (struct rte_table_hash *) table;
+	struct rte_bucket_4_16 *bucket10, *bucket11, *bucket20, *bucket21;
+	struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
+	uint32_t pkt00_index, pkt01_index, pkt10_index;
+	uint32_t pkt11_index, pkt20_index, pkt21_index;
+	uint64_t pkts_mask_out = 0, buckets_mask = 0;
+	struct rte_bucket_4_16 *buckets[RTE_PORT_IN_BURST_SIZE_MAX];
+	uint64_t *keys[RTE_PORT_IN_BURST_SIZE_MAX];
+
+	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_IN_ADD(f, n_pkts_in);
+
+	/* Cannot run the pipeline with less than 5 packets */
+	if (__builtin_popcountll(pkts_mask) < 5) {
+		for ( ; pkts_mask; ) {
+			struct rte_bucket_4_16 *bucket;
+			struct rte_mbuf *mbuf;
+			uint32_t pkt_index;
+
+			lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask, f);
+			lookup1_stage1_dosig(mbuf, bucket, f);
+			lookup1_stage2_ext(pkt_index, mbuf, bucket,
+				pkts_mask_out, entries, buckets_mask,
+				buckets, keys, f);
+		}
+
+		goto grind_next_buckets;
+	}
+
+	/*
+	 * Pipeline fill
+	 *
+	 */
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline feed */
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 0 */
+	lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
+		pkts_mask, f);
+
+	/* Pipeline stage 1 */
+	lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/*
+	 * Pipeline run
+	 *
+	 */
+	for ( ; pkts_mask; ) {
+		/* Pipeline feed */
+		bucket20 = bucket10;
+		bucket21 = bucket11;
+		mbuf20 = mbuf10;
+		mbuf21 = mbuf11;
+		mbuf10 = mbuf00;
+		mbuf11 = mbuf01;
+		pkt20_index = pkt10_index;
+		pkt21_index = pkt11_index;
+		pkt10_index = pkt00_index;
+		pkt11_index = pkt01_index;
+
+		/* Pipeline stage 0 */
+		lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
+			mbuf00, mbuf01, pkts, pkts_mask, f);
+
+		/* Pipeline stage 1 */
+		lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+		/* Pipeline stage 2 */
+		lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+			bucket20, bucket21, pkts_mask_out, entries,
+			buckets_mask, buckets, keys, f);
+	}
+
+	/*
+	 * Pipeline flush
+	 *
+	 */
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	mbuf10 = mbuf00;
+	mbuf11 = mbuf01;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+	pkt10_index = pkt00_index;
+	pkt11_index = pkt01_index;
+
+	/* Pipeline stage 1 */
+	lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries,
+		buckets_mask, buckets, keys, f);
+
+	/* Pipeline feed */
+	bucket20 = bucket10;
+	bucket21 = bucket11;
+	mbuf20 = mbuf10;
+	mbuf21 = mbuf11;
+	pkt20_index = pkt10_index;
+	pkt21_index = pkt11_index;
+
+	/* Pipeline stage 2 */
+	lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
+		bucket20, bucket21, pkts_mask_out, entries,
+		buckets_mask, buckets, keys, f);
+
+grind_next_buckets:
+	/* Grind next buckets */
+	for ( ; buckets_mask; ) {
+		uint64_t buckets_mask_next = 0;
+
+		for ( ; buckets_mask; ) {
+			uint64_t pkt_mask;
+			uint32_t pkt_index;
+
+			pkt_index = __builtin_ctzll(buckets_mask);
+			pkt_mask = 1LLU << pkt_index;
+			buckets_mask &= ~pkt_mask;
+
+			lookup_grinder(pkt_index, buckets, keys, pkts_mask_out,
+				entries, buckets_mask_next, f);
+		}
+
+		buckets_mask = buckets_mask_next;
+	}
+
+	*lookup_hit_mask = pkts_mask_out;
+	RTE_TABLE_HASH_KEY16_STATS_PKTS_LOOKUP_MISS(f, n_pkts_in -
+		__builtin_popcountll(pkts_mask_out));
+	return 0;
+} /* rte_table_hash_lookup_key16_ext_dosig() */
+
+static int
+rte_table_hash_key16_stats_read(void *table, struct rte_table_stats *stats, int clear)
+{
+	struct rte_table_hash *t = (struct rte_table_hash *) table;
+
+	if (stats != NULL)
+		memcpy(stats, &t->stats, sizeof(t->stats));
+
+	if (clear)
+		memset(&t->stats, 0, sizeof(t->stats));
+
+	return 0;
+}
+
+struct rte_table_ops rte_table_hash_key16_lru_ops = {
+	.f_create = rte_table_hash_create_key16_lru,
+	.f_free = rte_table_hash_free_key16_lru,
+	.f_add = rte_table_hash_entry_add_key16_lru,
+	.f_delete = rte_table_hash_entry_delete_key16_lru,
+	.f_add_bulk = NULL,
+	.f_delete_bulk = NULL,
+	.f_lookup = rte_table_hash_lookup_key16_lru,
+	.f_stats = rte_table_hash_key16_stats_read,
+};
+
+struct rte_table_ops rte_table_hash_key16_lru_dosig_ops = {
+	.f_create = rte_table_hash_create_key16_lru,
+	.f_free = rte_table_hash_free_key16_lru,
+	.f_add = rte_table_hash_entry_add_key16_lru,
+	.f_delete = rte_table_hash_entry_delete_key16_lru,
+	.f_lookup = rte_table_hash_lookup_key16_lru_dosig,
+	.f_stats = rte_table_hash_key16_stats_read,
+};
+
+struct rte_table_ops rte_table_hash_key16_ext_ops = {
+	.f_create = rte_table_hash_create_key16_ext,
+	.f_free = rte_table_hash_free_key16_ext,
+	.f_add = rte_table_hash_entry_add_key16_ext,
+	.f_delete = rte_table_hash_entry_delete_key16_ext,
+	.f_add_bulk = NULL,
+	.f_delete_bulk = NULL,
+	.f_lookup = rte_table_hash_lookup_key16_ext,
+	.f_stats = rte_table_hash_key16_stats_read,
+};
+
+struct rte_table_ops rte_table_hash_key16_ext_dosig_ops = {
+	.f_create = rte_table_hash_create_key16_ext,
+	.f_free = rte_table_hash_free_key16_ext,
+	.f_add = rte_table_hash_entry_add_key16_ext,
+	.f_delete = rte_table_hash_entry_delete_key16_ext,
+	.f_lookup = rte_table_hash_lookup_key16_ext_dosig,
+	.f_stats = rte_table_hash_key16_stats_read,
+};