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36 #include <rte_common.h>
38 #include <rte_memory.h>
39 #include <rte_malloc.h>
42 #include "rte_table_hash.h"
45 #define RTE_TABLE_HASH_KEY_SIZE 8
47 struct rte_bucket_4_8 {
51 struct rte_bucket_4_8 *next;
60 struct rte_table_hash {
61 /* Input parameters */
63 uint32_t n_entries_per_bucket;
67 uint32_t signature_offset;
69 rte_table_hash_op_hash f_hash;
72 /* Extendible buckets */
73 uint32_t n_buckets_ext;
78 uint8_t memory[0] __rte_cache_aligned;
82 check_params_create_lru(struct rte_table_hash_key8_lru_params *params) {
84 if (params->n_entries == 0) {
85 RTE_LOG(ERR, TABLE, "%s: n_entries is zero\n", __func__);
89 /* signature offset */
90 if ((params->signature_offset & 0x3) != 0) {
91 RTE_LOG(ERR, TABLE, "%s: invalid signature_offset\n", __func__);
96 if ((params->key_offset & 0x7) != 0) {
97 RTE_LOG(ERR, TABLE, "%s: invalid key_offset\n", __func__);
102 if (params->f_hash == NULL) {
103 RTE_LOG(ERR, TABLE, "%s: f_hash function pointer is NULL\n",
112 rte_table_hash_create_key8_lru(void *params, int socket_id, uint32_t entry_size)
114 struct rte_table_hash_key8_lru_params *p =
115 (struct rte_table_hash_key8_lru_params *) params;
116 struct rte_table_hash *f;
117 uint32_t n_buckets, n_entries_per_bucket, key_size, bucket_size_cl;
118 uint32_t total_size, i;
120 /* Check input parameters */
121 if ((check_params_create_lru(p) != 0) ||
122 ((sizeof(struct rte_table_hash) % RTE_CACHE_LINE_SIZE) != 0) ||
123 ((sizeof(struct rte_bucket_4_8) % RTE_CACHE_LINE_SIZE) != 0)) {
126 n_entries_per_bucket = 4;
129 /* Memory allocation */
130 n_buckets = rte_align32pow2((p->n_entries + n_entries_per_bucket - 1) /
131 n_entries_per_bucket);
132 bucket_size_cl = (sizeof(struct rte_bucket_4_8) + n_entries_per_bucket *
133 entry_size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE;
134 total_size = sizeof(struct rte_table_hash) + n_buckets *
135 bucket_size_cl * RTE_CACHE_LINE_SIZE;
137 f = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id);
140 "%s: Cannot allocate %u bytes for hash table\n",
141 __func__, total_size);
145 "%s: Hash table memory footprint is %u bytes\n",
146 __func__, total_size);
148 /* Memory initialization */
149 f->n_buckets = n_buckets;
150 f->n_entries_per_bucket = n_entries_per_bucket;
151 f->key_size = key_size;
152 f->entry_size = entry_size;
153 f->bucket_size = bucket_size_cl * RTE_CACHE_LINE_SIZE;
154 f->signature_offset = p->signature_offset;
155 f->key_offset = p->key_offset;
156 f->f_hash = p->f_hash;
159 for (i = 0; i < n_buckets; i++) {
160 struct rte_bucket_4_8 *bucket;
162 bucket = (struct rte_bucket_4_8 *) &f->memory[i *
164 bucket->lru_list = 0x0000000100020003LLU;
171 rte_table_hash_free_key8_lru(void *table)
173 struct rte_table_hash *f = (struct rte_table_hash *) table;
175 /* Check input parameters */
177 RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__);
186 rte_table_hash_entry_add_key8_lru(
193 struct rte_table_hash *f = (struct rte_table_hash *) table;
194 struct rte_bucket_4_8 *bucket;
195 uint64_t signature, mask, pos;
196 uint32_t bucket_index, i;
198 signature = f->f_hash(key, f->key_size, f->seed);
199 bucket_index = signature & (f->n_buckets - 1);
200 bucket = (struct rte_bucket_4_8 *)
201 &f->memory[bucket_index * f->bucket_size];
203 /* Key is present in the bucket */
204 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
205 uint64_t bucket_signature = bucket->signature;
206 uint64_t bucket_key = bucket->key[i];
208 if ((bucket_signature & mask) &&
209 (*((uint64_t *) key) == bucket_key)) {
210 uint8_t *bucket_data = &bucket->data[i * f->entry_size];
212 memcpy(bucket_data, entry, f->entry_size);
213 lru_update(bucket, i);
215 *entry_ptr = (void *) bucket_data;
220 /* Key is not present in the bucket */
221 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
222 uint64_t bucket_signature = bucket->signature;
224 if ((bucket_signature & mask) == 0) {
225 uint8_t *bucket_data = &bucket->data[i * f->entry_size];
227 bucket->signature |= mask;
228 bucket->key[i] = *((uint64_t *) key);
229 memcpy(bucket_data, entry, f->entry_size);
230 lru_update(bucket, i);
232 *entry_ptr = (void *) bucket_data;
238 /* Bucket full: replace LRU entry */
239 pos = lru_pos(bucket);
240 bucket->key[pos] = *((uint64_t *) key);
241 memcpy(&bucket->data[pos * f->entry_size], entry, f->entry_size);
242 lru_update(bucket, pos);
244 *entry_ptr = (void *) &bucket->data[pos * f->entry_size];
250 rte_table_hash_entry_delete_key8_lru(
256 struct rte_table_hash *f = (struct rte_table_hash *) table;
257 struct rte_bucket_4_8 *bucket;
258 uint64_t signature, mask;
259 uint32_t bucket_index, i;
261 signature = f->f_hash(key, f->key_size, f->seed);
262 bucket_index = signature & (f->n_buckets - 1);
263 bucket = (struct rte_bucket_4_8 *)
264 &f->memory[bucket_index * f->bucket_size];
266 /* Key is present in the bucket */
267 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
268 uint64_t bucket_signature = bucket->signature;
269 uint64_t bucket_key = bucket->key[i];
271 if ((bucket_signature & mask) &&
272 (*((uint64_t *) key) == bucket_key)) {
273 uint8_t *bucket_data = &bucket->data[i * f->entry_size];
275 bucket->signature &= ~mask;
278 memcpy(entry, bucket_data, f->entry_size);
284 /* Key is not present in the bucket */
290 check_params_create_ext(struct rte_table_hash_key8_ext_params *params) {
292 if (params->n_entries == 0) {
293 RTE_LOG(ERR, TABLE, "%s: n_entries is zero\n", __func__);
298 if (params->n_entries_ext == 0) {
299 RTE_LOG(ERR, TABLE, "%s: n_entries_ext is zero\n", __func__);
303 /* signature offset */
304 if ((params->signature_offset & 0x3) != 0) {
305 RTE_LOG(ERR, TABLE, "%s: invalid signature_offset\n", __func__);
310 if ((params->key_offset & 0x7) != 0) {
311 RTE_LOG(ERR, TABLE, "%s: invalid key_offset\n", __func__);
316 if (params->f_hash == NULL) {
317 RTE_LOG(ERR, TABLE, "%s: f_hash function pointer is NULL\n",
326 rte_table_hash_create_key8_ext(void *params, int socket_id, uint32_t entry_size)
328 struct rte_table_hash_key8_ext_params *p =
329 (struct rte_table_hash_key8_ext_params *) params;
330 struct rte_table_hash *f;
331 uint32_t n_buckets, n_buckets_ext, n_entries_per_bucket, key_size;
332 uint32_t bucket_size_cl, stack_size_cl, total_size, i;
334 /* Check input parameters */
335 if ((check_params_create_ext(p) != 0) ||
336 ((sizeof(struct rte_table_hash) % RTE_CACHE_LINE_SIZE) != 0) ||
337 ((sizeof(struct rte_bucket_4_8) % RTE_CACHE_LINE_SIZE) != 0))
340 n_entries_per_bucket = 4;
343 /* Memory allocation */
344 n_buckets = rte_align32pow2((p->n_entries + n_entries_per_bucket - 1) /
345 n_entries_per_bucket);
346 n_buckets_ext = (p->n_entries_ext + n_entries_per_bucket - 1) /
347 n_entries_per_bucket;
348 bucket_size_cl = (sizeof(struct rte_bucket_4_8) + n_entries_per_bucket *
349 entry_size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE;
350 stack_size_cl = (n_buckets_ext * sizeof(uint32_t) + RTE_CACHE_LINE_SIZE - 1)
351 / RTE_CACHE_LINE_SIZE;
352 total_size = sizeof(struct rte_table_hash) + ((n_buckets +
353 n_buckets_ext) * bucket_size_cl + stack_size_cl) *
356 f = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id);
359 "%s: Cannot allocate %u bytes for hash table\n",
360 __func__, total_size);
364 "%s: Hash table memory footprint is %u bytes\n",
365 __func__, total_size);
367 /* Memory initialization */
368 f->n_buckets = n_buckets;
369 f->n_entries_per_bucket = n_entries_per_bucket;
370 f->key_size = key_size;
371 f->entry_size = entry_size;
372 f->bucket_size = bucket_size_cl * RTE_CACHE_LINE_SIZE;
373 f->signature_offset = p->signature_offset;
374 f->key_offset = p->key_offset;
375 f->f_hash = p->f_hash;
378 f->n_buckets_ext = n_buckets_ext;
379 f->stack_pos = n_buckets_ext;
380 f->stack = (uint32_t *)
381 &f->memory[(n_buckets + n_buckets_ext) * f->bucket_size];
383 for (i = 0; i < n_buckets_ext; i++)
390 rte_table_hash_free_key8_ext(void *table)
392 struct rte_table_hash *f = (struct rte_table_hash *) table;
394 /* Check input parameters */
396 RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__);
405 rte_table_hash_entry_add_key8_ext(
412 struct rte_table_hash *f = (struct rte_table_hash *) table;
413 struct rte_bucket_4_8 *bucket0, *bucket, *bucket_prev;
415 uint32_t bucket_index, i;
417 signature = f->f_hash(key, f->key_size, f->seed);
418 bucket_index = signature & (f->n_buckets - 1);
419 bucket0 = (struct rte_bucket_4_8 *)
420 &f->memory[bucket_index * f->bucket_size];
422 /* Key is present in the bucket */
423 for (bucket = bucket0; bucket != NULL; bucket = bucket->next) {
426 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
427 uint64_t bucket_signature = bucket->signature;
428 uint64_t bucket_key = bucket->key[i];
430 if ((bucket_signature & mask) &&
431 (*((uint64_t *) key) == bucket_key)) {
432 uint8_t *bucket_data = &bucket->data[i *
435 memcpy(bucket_data, entry, f->entry_size);
437 *entry_ptr = (void *) bucket_data;
443 /* Key is not present in the bucket */
444 for (bucket_prev = NULL, bucket = bucket0;
445 bucket != NULL; bucket_prev = bucket, bucket = bucket->next) {
448 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
449 uint64_t bucket_signature = bucket->signature;
451 if ((bucket_signature & mask) == 0) {
452 uint8_t *bucket_data = &bucket->data[i *
455 bucket->signature |= mask;
456 bucket->key[i] = *((uint64_t *) key);
457 memcpy(bucket_data, entry, f->entry_size);
459 *entry_ptr = (void *) bucket_data;
466 /* Bucket full: extend bucket */
467 if (f->stack_pos > 0) {
468 bucket_index = f->stack[--f->stack_pos];
470 bucket = (struct rte_bucket_4_8 *) &f->memory[(f->n_buckets +
471 bucket_index) * f->bucket_size];
472 bucket_prev->next = bucket;
473 bucket_prev->next_valid = 1;
475 bucket->signature = 1;
476 bucket->key[0] = *((uint64_t *) key);
477 memcpy(&bucket->data[0], entry, f->entry_size);
479 *entry_ptr = (void *) &bucket->data[0];
487 rte_table_hash_entry_delete_key8_ext(
493 struct rte_table_hash *f = (struct rte_table_hash *) table;
494 struct rte_bucket_4_8 *bucket0, *bucket, *bucket_prev;
496 uint32_t bucket_index, i;
498 signature = f->f_hash(key, f->key_size, f->seed);
499 bucket_index = signature & (f->n_buckets - 1);
500 bucket0 = (struct rte_bucket_4_8 *)
501 &f->memory[bucket_index * f->bucket_size];
503 /* Key is present in the bucket */
504 for (bucket_prev = NULL, bucket = bucket0; bucket != NULL;
505 bucket_prev = bucket, bucket = bucket->next) {
508 for (i = 0, mask = 1LLU; i < 4; i++, mask <<= 1) {
509 uint64_t bucket_signature = bucket->signature;
510 uint64_t bucket_key = bucket->key[i];
512 if ((bucket_signature & mask) &&
513 (*((uint64_t *) key) == bucket_key)) {
514 uint8_t *bucket_data = &bucket->data[i *
517 bucket->signature &= ~mask;
520 memcpy(entry, bucket_data,
523 if ((bucket->signature == 0) &&
524 (bucket_prev != NULL)) {
525 bucket_prev->next = bucket->next;
526 bucket_prev->next_valid =
530 sizeof(struct rte_bucket_4_8));
531 bucket_index = (((uint8_t *)bucket -
532 (uint8_t *)f->memory)/f->bucket_size) - f->n_buckets;
533 f->stack[f->stack_pos++] = bucket_index;
541 /* Key is not present in the bucket */
546 #define lookup_key8_cmp(key_in, bucket, pos) \
548 uint64_t xor[4], signature; \
550 signature = ~bucket->signature; \
552 xor[0] = (key_in[0] ^ bucket->key[0]) | (signature & 1);\
553 xor[1] = (key_in[0] ^ bucket->key[1]) | (signature & 2);\
554 xor[2] = (key_in[0] ^ bucket->key[2]) | (signature & 4);\
555 xor[3] = (key_in[0] ^ bucket->key[3]) | (signature & 8);\
568 #define lookup1_stage0(pkt0_index, mbuf0, pkts, pkts_mask) \
572 pkt0_index = __builtin_ctzll(pkts_mask); \
573 pkt_mask = 1LLU << pkt0_index; \
574 pkts_mask &= ~pkt_mask; \
576 mbuf0 = pkts[pkt0_index]; \
577 rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf0, 0)); \
580 #define lookup1_stage1(mbuf1, bucket1, f) \
582 uint64_t signature; \
583 uint32_t bucket_index; \
585 signature = RTE_MBUF_METADATA_UINT32(mbuf1, f->signature_offset);\
586 bucket_index = signature & (f->n_buckets - 1); \
587 bucket1 = (struct rte_bucket_4_8 *) \
588 &f->memory[bucket_index * f->bucket_size]; \
589 rte_prefetch0(bucket1); \
592 #define lookup1_stage1_dosig(mbuf1, bucket1, f) \
595 uint64_t signature; \
596 uint32_t bucket_index; \
598 key = RTE_MBUF_METADATA_UINT64_PTR(mbuf1, f->key_offset);\
599 signature = f->f_hash(key, RTE_TABLE_HASH_KEY_SIZE, f->seed);\
600 bucket_index = signature & (f->n_buckets - 1); \
601 bucket1 = (struct rte_bucket_4_8 *) \
602 &f->memory[bucket_index * f->bucket_size]; \
603 rte_prefetch0(bucket1); \
606 #define lookup1_stage2_lru(pkt2_index, mbuf2, bucket2, \
607 pkts_mask_out, entries, f) \
614 key = RTE_MBUF_METADATA_UINT64_PTR(mbuf2, f->key_offset);\
616 lookup_key8_cmp(key, bucket2, pos); \
618 pkt_mask = ((bucket2->signature >> pos) & 1LLU) << pkt2_index;\
619 pkts_mask_out |= pkt_mask; \
621 a = (void *) &bucket2->data[pos * f->entry_size]; \
623 entries[pkt2_index] = a; \
624 lru_update(bucket2, pos); \
627 #define lookup1_stage2_ext(pkt2_index, mbuf2, bucket2, pkts_mask_out,\
628 entries, buckets_mask, buckets, keys, f) \
630 struct rte_bucket_4_8 *bucket_next; \
632 uint64_t pkt_mask, bucket_mask; \
636 key = RTE_MBUF_METADATA_UINT64_PTR(mbuf2, f->key_offset);\
638 lookup_key8_cmp(key, bucket2, pos); \
640 pkt_mask = ((bucket2->signature >> pos) & 1LLU) << pkt2_index;\
641 pkts_mask_out |= pkt_mask; \
643 a = (void *) &bucket2->data[pos * f->entry_size]; \
645 entries[pkt2_index] = a; \
647 bucket_mask = (~pkt_mask) & (bucket2->next_valid << pkt2_index);\
648 buckets_mask |= bucket_mask; \
649 bucket_next = bucket2->next; \
650 buckets[pkt2_index] = bucket_next; \
651 keys[pkt2_index] = key; \
654 #define lookup_grinder(pkt_index, buckets, keys, pkts_mask_out, entries,\
657 struct rte_bucket_4_8 *bucket, *bucket_next; \
659 uint64_t pkt_mask, bucket_mask; \
663 bucket = buckets[pkt_index]; \
664 key = keys[pkt_index]; \
666 lookup_key8_cmp(key, bucket, pos); \
668 pkt_mask = ((bucket->signature >> pos) & 1LLU) << pkt_index;\
669 pkts_mask_out |= pkt_mask; \
671 a = (void *) &bucket->data[pos * f->entry_size]; \
673 entries[pkt_index] = a; \
675 bucket_mask = (~pkt_mask) & (bucket->next_valid << pkt_index);\
676 buckets_mask |= bucket_mask; \
677 bucket_next = bucket->next; \
678 rte_prefetch0(bucket_next); \
679 buckets[pkt_index] = bucket_next; \
680 keys[pkt_index] = key; \
683 #define lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01,\
686 uint64_t pkt00_mask, pkt01_mask; \
688 pkt00_index = __builtin_ctzll(pkts_mask); \
689 pkt00_mask = 1LLU << pkt00_index; \
690 pkts_mask &= ~pkt00_mask; \
692 mbuf00 = pkts[pkt00_index]; \
693 rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf00, 0)); \
695 pkt01_index = __builtin_ctzll(pkts_mask); \
696 pkt01_mask = 1LLU << pkt01_index; \
697 pkts_mask &= ~pkt01_mask; \
699 mbuf01 = pkts[pkt01_index]; \
700 rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf01, 0)); \
703 #define lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,\
704 mbuf00, mbuf01, pkts, pkts_mask) \
706 uint64_t pkt00_mask, pkt01_mask; \
708 pkt00_index = __builtin_ctzll(pkts_mask); \
709 pkt00_mask = 1LLU << pkt00_index; \
710 pkts_mask &= ~pkt00_mask; \
712 mbuf00 = pkts[pkt00_index]; \
713 rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf00, 0)); \
715 pkt01_index = __builtin_ctzll(pkts_mask); \
716 if (pkts_mask == 0) \
717 pkt01_index = pkt00_index; \
719 pkt01_mask = 1LLU << pkt01_index; \
720 pkts_mask &= ~pkt01_mask; \
722 mbuf01 = pkts[pkt01_index]; \
723 rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf01, 0)); \
726 #define lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f) \
728 uint64_t signature10, signature11; \
729 uint32_t bucket10_index, bucket11_index; \
731 signature10 = RTE_MBUF_METADATA_UINT32(mbuf10, f->signature_offset);\
732 bucket10_index = signature10 & (f->n_buckets - 1); \
733 bucket10 = (struct rte_bucket_4_8 *) \
734 &f->memory[bucket10_index * f->bucket_size]; \
735 rte_prefetch0(bucket10); \
737 signature11 = RTE_MBUF_METADATA_UINT32(mbuf11, f->signature_offset);\
738 bucket11_index = signature11 & (f->n_buckets - 1); \
739 bucket11 = (struct rte_bucket_4_8 *) \
740 &f->memory[bucket11_index * f->bucket_size]; \
741 rte_prefetch0(bucket11); \
744 #define lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f)\
746 uint64_t *key10, *key11; \
747 uint64_t signature10, signature11; \
748 uint32_t bucket10_index, bucket11_index; \
749 rte_table_hash_op_hash f_hash = f->f_hash; \
750 uint64_t seed = f->seed; \
751 uint32_t key_offset = f->key_offset; \
753 key10 = RTE_MBUF_METADATA_UINT64_PTR(mbuf10, key_offset);\
754 key11 = RTE_MBUF_METADATA_UINT64_PTR(mbuf11, key_offset);\
756 signature10 = f_hash(key10, RTE_TABLE_HASH_KEY_SIZE, seed);\
757 bucket10_index = signature10 & (f->n_buckets - 1); \
758 bucket10 = (struct rte_bucket_4_8 *) \
759 &f->memory[bucket10_index * f->bucket_size]; \
760 rte_prefetch0(bucket10); \
762 signature11 = f_hash(key11, RTE_TABLE_HASH_KEY_SIZE, seed);\
763 bucket11_index = signature11 & (f->n_buckets - 1); \
764 bucket11 = (struct rte_bucket_4_8 *) \
765 &f->memory[bucket11_index * f->bucket_size]; \
766 rte_prefetch0(bucket11); \
769 #define lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,\
770 bucket20, bucket21, pkts_mask_out, entries, f) \
773 uint64_t pkt20_mask, pkt21_mask; \
774 uint64_t *key20, *key21; \
775 uint32_t pos20, pos21; \
777 key20 = RTE_MBUF_METADATA_UINT64_PTR(mbuf20, f->key_offset);\
778 key21 = RTE_MBUF_METADATA_UINT64_PTR(mbuf21, f->key_offset);\
780 lookup_key8_cmp(key20, bucket20, pos20); \
781 lookup_key8_cmp(key21, bucket21, pos21); \
783 pkt20_mask = ((bucket20->signature >> pos20) & 1LLU) << pkt20_index;\
784 pkt21_mask = ((bucket21->signature >> pos21) & 1LLU) << pkt21_index;\
785 pkts_mask_out |= pkt20_mask | pkt21_mask; \
787 a20 = (void *) &bucket20->data[pos20 * f->entry_size]; \
788 a21 = (void *) &bucket21->data[pos21 * f->entry_size]; \
789 rte_prefetch0(a20); \
790 rte_prefetch0(a21); \
791 entries[pkt20_index] = a20; \
792 entries[pkt21_index] = a21; \
793 lru_update(bucket20, pos20); \
794 lru_update(bucket21, pos21); \
797 #define lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21, bucket20, \
798 bucket21, pkts_mask_out, entries, buckets_mask, buckets, keys, f)\
800 struct rte_bucket_4_8 *bucket20_next, *bucket21_next; \
802 uint64_t pkt20_mask, pkt21_mask, bucket20_mask, bucket21_mask;\
803 uint64_t *key20, *key21; \
804 uint32_t pos20, pos21; \
806 key20 = RTE_MBUF_METADATA_UINT64_PTR(mbuf20, f->key_offset);\
807 key21 = RTE_MBUF_METADATA_UINT64_PTR(mbuf21, f->key_offset);\
809 lookup_key8_cmp(key20, bucket20, pos20); \
810 lookup_key8_cmp(key21, bucket21, pos21); \
812 pkt20_mask = ((bucket20->signature >> pos20) & 1LLU) << pkt20_index;\
813 pkt21_mask = ((bucket21->signature >> pos21) & 1LLU) << pkt21_index;\
814 pkts_mask_out |= pkt20_mask | pkt21_mask; \
816 a20 = (void *) &bucket20->data[pos20 * f->entry_size]; \
817 a21 = (void *) &bucket21->data[pos21 * f->entry_size]; \
818 rte_prefetch0(a20); \
819 rte_prefetch0(a21); \
820 entries[pkt20_index] = a20; \
821 entries[pkt21_index] = a21; \
823 bucket20_mask = (~pkt20_mask) & (bucket20->next_valid << pkt20_index);\
824 bucket21_mask = (~pkt21_mask) & (bucket21->next_valid << pkt21_index);\
825 buckets_mask |= bucket20_mask | bucket21_mask; \
826 bucket20_next = bucket20->next; \
827 bucket21_next = bucket21->next; \
828 buckets[pkt20_index] = bucket20_next; \
829 buckets[pkt21_index] = bucket21_next; \
830 keys[pkt20_index] = key20; \
831 keys[pkt21_index] = key21; \
835 rte_table_hash_lookup_key8_lru(
837 struct rte_mbuf **pkts,
839 uint64_t *lookup_hit_mask,
842 struct rte_table_hash *f = (struct rte_table_hash *) table;
843 struct rte_bucket_4_8 *bucket10, *bucket11, *bucket20, *bucket21;
844 struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
845 uint32_t pkt00_index, pkt01_index, pkt10_index,
846 pkt11_index, pkt20_index, pkt21_index;
847 uint64_t pkts_mask_out = 0;
849 /* Cannot run the pipeline with less than 5 packets */
850 if (__builtin_popcountll(pkts_mask) < 5) {
851 for ( ; pkts_mask; ) {
852 struct rte_bucket_4_8 *bucket;
853 struct rte_mbuf *mbuf;
856 lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask);
857 lookup1_stage1(mbuf, bucket, f);
858 lookup1_stage2_lru(pkt_index, mbuf, bucket,
859 pkts_mask_out, entries, f);
862 *lookup_hit_mask = pkts_mask_out;
870 /* Pipeline stage 0 */
871 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
877 pkt10_index = pkt00_index;
878 pkt11_index = pkt01_index;
880 /* Pipeline stage 0 */
881 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
884 /* Pipeline stage 1 */
885 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
891 for ( ; pkts_mask; ) {
899 pkt20_index = pkt10_index;
900 pkt21_index = pkt11_index;
901 pkt10_index = pkt00_index;
902 pkt11_index = pkt01_index;
904 /* Pipeline stage 0 */
905 lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
906 mbuf00, mbuf01, pkts, pkts_mask);
908 /* Pipeline stage 1 */
909 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
911 /* Pipeline stage 2 */
912 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
913 bucket20, bucket21, pkts_mask_out, entries, f);
927 pkt20_index = pkt10_index;
928 pkt21_index = pkt11_index;
929 pkt10_index = pkt00_index;
930 pkt11_index = pkt01_index;
932 /* Pipeline stage 1 */
933 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
935 /* Pipeline stage 2 */
936 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
937 bucket20, bucket21, pkts_mask_out, entries, f);
944 pkt20_index = pkt10_index;
945 pkt21_index = pkt11_index;
947 /* Pipeline stage 2 */
948 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
949 bucket20, bucket21, pkts_mask_out, entries, f);
951 *lookup_hit_mask = pkts_mask_out;
953 } /* rte_table_hash_lookup_key8_lru() */
956 rte_table_hash_lookup_key8_lru_dosig(
958 struct rte_mbuf **pkts,
960 uint64_t *lookup_hit_mask,
963 struct rte_table_hash *f = (struct rte_table_hash *) table;
964 struct rte_bucket_4_8 *bucket10, *bucket11, *bucket20, *bucket21;
965 struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
966 uint32_t pkt00_index, pkt01_index, pkt10_index;
967 uint32_t pkt11_index, pkt20_index, pkt21_index;
968 uint64_t pkts_mask_out = 0;
970 /* Cannot run the pipeline with less than 5 packets */
971 if (__builtin_popcountll(pkts_mask) < 5) {
972 for ( ; pkts_mask; ) {
973 struct rte_bucket_4_8 *bucket;
974 struct rte_mbuf *mbuf;
977 lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask);
978 lookup1_stage1_dosig(mbuf, bucket, f);
979 lookup1_stage2_lru(pkt_index, mbuf, bucket,
980 pkts_mask_out, entries, f);
983 *lookup_hit_mask = pkts_mask_out;
991 /* Pipeline stage 0 */
992 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
998 pkt10_index = pkt00_index;
999 pkt11_index = pkt01_index;
1001 /* Pipeline stage 0 */
1002 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
1005 /* Pipeline stage 1 */
1006 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1012 for ( ; pkts_mask; ) {
1014 bucket20 = bucket10;
1015 bucket21 = bucket11;
1020 pkt20_index = pkt10_index;
1021 pkt21_index = pkt11_index;
1022 pkt10_index = pkt00_index;
1023 pkt11_index = pkt01_index;
1025 /* Pipeline stage 0 */
1026 lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
1027 mbuf00, mbuf01, pkts, pkts_mask);
1029 /* Pipeline stage 1 */
1030 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1032 /* Pipeline stage 2 */
1033 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
1034 bucket20, bucket21, pkts_mask_out, entries, f);
1042 bucket20 = bucket10;
1043 bucket21 = bucket11;
1048 pkt20_index = pkt10_index;
1049 pkt21_index = pkt11_index;
1050 pkt10_index = pkt00_index;
1051 pkt11_index = pkt01_index;
1053 /* Pipeline stage 1 */
1054 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1056 /* Pipeline stage 2 */
1057 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
1058 bucket20, bucket21, pkts_mask_out, entries, f);
1061 bucket20 = bucket10;
1062 bucket21 = bucket11;
1065 pkt20_index = pkt10_index;
1066 pkt21_index = pkt11_index;
1068 /* Pipeline stage 2 */
1069 lookup2_stage2_lru(pkt20_index, pkt21_index, mbuf20, mbuf21,
1070 bucket20, bucket21, pkts_mask_out, entries, f);
1072 *lookup_hit_mask = pkts_mask_out;
1074 } /* rte_table_hash_lookup_key8_lru_dosig() */
1077 rte_table_hash_lookup_key8_ext(
1079 struct rte_mbuf **pkts,
1081 uint64_t *lookup_hit_mask,
1084 struct rte_table_hash *f = (struct rte_table_hash *) table;
1085 struct rte_bucket_4_8 *bucket10, *bucket11, *bucket20, *bucket21;
1086 struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
1087 uint32_t pkt00_index, pkt01_index, pkt10_index;
1088 uint32_t pkt11_index, pkt20_index, pkt21_index;
1089 uint64_t pkts_mask_out = 0, buckets_mask = 0;
1090 struct rte_bucket_4_8 *buckets[RTE_PORT_IN_BURST_SIZE_MAX];
1091 uint64_t *keys[RTE_PORT_IN_BURST_SIZE_MAX];
1093 /* Cannot run the pipeline with less than 5 packets */
1094 if (__builtin_popcountll(pkts_mask) < 5) {
1095 for ( ; pkts_mask; ) {
1096 struct rte_bucket_4_8 *bucket;
1097 struct rte_mbuf *mbuf;
1100 lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask);
1101 lookup1_stage1(mbuf, bucket, f);
1102 lookup1_stage2_ext(pkt_index, mbuf, bucket,
1103 pkts_mask_out, entries, buckets_mask, buckets,
1107 goto grind_next_buckets;
1114 /* Pipeline stage 0 */
1115 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
1121 pkt10_index = pkt00_index;
1122 pkt11_index = pkt01_index;
1124 /* Pipeline stage 0 */
1125 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
1128 /* Pipeline stage 1 */
1129 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
1135 for ( ; pkts_mask; ) {
1137 bucket20 = bucket10;
1138 bucket21 = bucket11;
1143 pkt20_index = pkt10_index;
1144 pkt21_index = pkt11_index;
1145 pkt10_index = pkt00_index;
1146 pkt11_index = pkt01_index;
1148 /* Pipeline stage 0 */
1149 lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
1150 mbuf00, mbuf01, pkts, pkts_mask);
1152 /* Pipeline stage 1 */
1153 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
1155 /* Pipeline stage 2 */
1156 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1157 bucket20, bucket21, pkts_mask_out, entries,
1158 buckets_mask, buckets, keys, f);
1166 bucket20 = bucket10;
1167 bucket21 = bucket11;
1172 pkt20_index = pkt10_index;
1173 pkt21_index = pkt11_index;
1174 pkt10_index = pkt00_index;
1175 pkt11_index = pkt01_index;
1177 /* Pipeline stage 1 */
1178 lookup2_stage1(mbuf10, mbuf11, bucket10, bucket11, f);
1180 /* Pipeline stage 2 */
1181 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1182 bucket20, bucket21, pkts_mask_out, entries,
1183 buckets_mask, buckets, keys, f);
1186 bucket20 = bucket10;
1187 bucket21 = bucket11;
1190 pkt20_index = pkt10_index;
1191 pkt21_index = pkt11_index;
1193 /* Pipeline stage 2 */
1194 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1195 bucket20, bucket21, pkts_mask_out, entries,
1196 buckets_mask, buckets, keys, f);
1199 /* Grind next buckets */
1200 for ( ; buckets_mask; ) {
1201 uint64_t buckets_mask_next = 0;
1203 for ( ; buckets_mask; ) {
1207 pkt_index = __builtin_ctzll(buckets_mask);
1208 pkt_mask = 1LLU << pkt_index;
1209 buckets_mask &= ~pkt_mask;
1211 lookup_grinder(pkt_index, buckets, keys, pkts_mask_out,
1212 entries, buckets_mask_next, f);
1215 buckets_mask = buckets_mask_next;
1218 *lookup_hit_mask = pkts_mask_out;
1220 } /* rte_table_hash_lookup_key8_ext() */
1223 rte_table_hash_lookup_key8_ext_dosig(
1225 struct rte_mbuf **pkts,
1227 uint64_t *lookup_hit_mask,
1230 struct rte_table_hash *f = (struct rte_table_hash *) table;
1231 struct rte_bucket_4_8 *bucket10, *bucket11, *bucket20, *bucket21;
1232 struct rte_mbuf *mbuf00, *mbuf01, *mbuf10, *mbuf11, *mbuf20, *mbuf21;
1233 uint32_t pkt00_index, pkt01_index, pkt10_index;
1234 uint32_t pkt11_index, pkt20_index, pkt21_index;
1235 uint64_t pkts_mask_out = 0, buckets_mask = 0;
1236 struct rte_bucket_4_8 *buckets[RTE_PORT_IN_BURST_SIZE_MAX];
1237 uint64_t *keys[RTE_PORT_IN_BURST_SIZE_MAX];
1239 /* Cannot run the pipeline with less than 5 packets */
1240 if (__builtin_popcountll(pkts_mask) < 5) {
1241 for ( ; pkts_mask; ) {
1242 struct rte_bucket_4_8 *bucket;
1243 struct rte_mbuf *mbuf;
1246 lookup1_stage0(pkt_index, mbuf, pkts, pkts_mask);
1247 lookup1_stage1_dosig(mbuf, bucket, f);
1248 lookup1_stage2_ext(pkt_index, mbuf, bucket,
1249 pkts_mask_out, entries, buckets_mask,
1253 goto grind_next_buckets;
1260 /* Pipeline stage 0 */
1261 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
1267 pkt10_index = pkt00_index;
1268 pkt11_index = pkt01_index;
1270 /* Pipeline stage 0 */
1271 lookup2_stage0(pkt00_index, pkt01_index, mbuf00, mbuf01, pkts,
1274 /* Pipeline stage 1 */
1275 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1281 for ( ; pkts_mask; ) {
1283 bucket20 = bucket10;
1284 bucket21 = bucket11;
1289 pkt20_index = pkt10_index;
1290 pkt21_index = pkt11_index;
1291 pkt10_index = pkt00_index;
1292 pkt11_index = pkt01_index;
1294 /* Pipeline stage 0 */
1295 lookup2_stage0_with_odd_support(pkt00_index, pkt01_index,
1296 mbuf00, mbuf01, pkts, pkts_mask);
1298 /* Pipeline stage 1 */
1299 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1301 /* Pipeline stage 2 */
1302 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1303 bucket20, bucket21, pkts_mask_out, entries,
1304 buckets_mask, buckets, keys, f);
1312 bucket20 = bucket10;
1313 bucket21 = bucket11;
1318 pkt20_index = pkt10_index;
1319 pkt21_index = pkt11_index;
1320 pkt10_index = pkt00_index;
1321 pkt11_index = pkt01_index;
1323 /* Pipeline stage 1 */
1324 lookup2_stage1_dosig(mbuf10, mbuf11, bucket10, bucket11, f);
1326 /* Pipeline stage 2 */
1327 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1328 bucket20, bucket21, pkts_mask_out, entries,
1329 buckets_mask, buckets, keys, f);
1332 bucket20 = bucket10;
1333 bucket21 = bucket11;
1336 pkt20_index = pkt10_index;
1337 pkt21_index = pkt11_index;
1339 /* Pipeline stage 2 */
1340 lookup2_stage2_ext(pkt20_index, pkt21_index, mbuf20, mbuf21,
1341 bucket20, bucket21, pkts_mask_out, entries,
1342 buckets_mask, buckets, keys, f);
1345 /* Grind next buckets */
1346 for ( ; buckets_mask; ) {
1347 uint64_t buckets_mask_next = 0;
1349 for ( ; buckets_mask; ) {
1353 pkt_index = __builtin_ctzll(buckets_mask);
1354 pkt_mask = 1LLU << pkt_index;
1355 buckets_mask &= ~pkt_mask;
1357 lookup_grinder(pkt_index, buckets, keys, pkts_mask_out,
1358 entries, buckets_mask_next, f);
1361 buckets_mask = buckets_mask_next;
1364 *lookup_hit_mask = pkts_mask_out;
1366 } /* rte_table_hash_lookup_key8_dosig_ext() */
1368 struct rte_table_ops rte_table_hash_key8_lru_ops = {
1369 .f_create = rte_table_hash_create_key8_lru,
1370 .f_free = rte_table_hash_free_key8_lru,
1371 .f_add = rte_table_hash_entry_add_key8_lru,
1372 .f_delete = rte_table_hash_entry_delete_key8_lru,
1373 .f_lookup = rte_table_hash_lookup_key8_lru,
1376 struct rte_table_ops rte_table_hash_key8_lru_dosig_ops = {
1377 .f_create = rte_table_hash_create_key8_lru,
1378 .f_free = rte_table_hash_free_key8_lru,
1379 .f_add = rte_table_hash_entry_add_key8_lru,
1380 .f_delete = rte_table_hash_entry_delete_key8_lru,
1381 .f_lookup = rte_table_hash_lookup_key8_lru_dosig,
1384 struct rte_table_ops rte_table_hash_key8_ext_ops = {
1385 .f_create = rte_table_hash_create_key8_ext,
1386 .f_free = rte_table_hash_free_key8_ext,
1387 .f_add = rte_table_hash_entry_add_key8_ext,
1388 .f_delete = rte_table_hash_entry_delete_key8_ext,
1389 .f_lookup = rte_table_hash_lookup_key8_ext,
1392 struct rte_table_ops rte_table_hash_key8_ext_dosig_ops = {
1393 .f_create = rte_table_hash_create_key8_ext,
1394 .f_free = rte_table_hash_free_key8_ext,
1395 .f_add = rte_table_hash_entry_add_key8_ext,
1396 .f_delete = rte_table_hash_entry_delete_key8_ext,
1397 .f_lookup = rte_table_hash_lookup_key8_ext_dosig,