table: remove deprecated variable size key ext hash tables
authorCristian Dumitrescu <cristian.dumitrescu@intel.com>
Wed, 18 Oct 2017 15:03:40 +0000 (16:03 +0100)
committerCristian Dumitrescu <cristian.dumitrescu@intel.com>
Tue, 24 Oct 2017 11:06:42 +0000 (13:06 +0200)
The non-dosig version of the variable size key extendible bucket
hash tables are removed. The remaining hash tables are renamed to
eliminate the dosig particle from their name.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
examples/ip_pipeline/pipeline/pipeline_flow_classification_be.c
lib/librte_table/rte_table_hash.h
lib/librte_table/rte_table_hash_ext.c
test/test-pipeline/pipeline_hash.c

index 0f667e6..191cb15 100644 (file)
@@ -552,7 +552,7 @@ static void *pipeline_fc_init(struct pipeline_params *params,
                        break;
 
                default:
-                       table_params.ops = &rte_table_hash_ext_dosig_ops;
+                       table_params.ops = &rte_table_hash_ext_ops;
                        table_params.arg_create = &table_hash_params;
                }
 
index 57c6073..0eb23a7 100644 (file)
@@ -135,13 +135,8 @@ struct rte_table_hash_ext_params {
        uint32_t key_offset;
 };
 
-/** Extendible bucket hash table operations for pre-computed key signature */
 extern struct rte_table_ops rte_table_hash_ext_ops;
 
-/** Extendible bucket hash table operations for key signature computed on
-       lookup ("do-sig") */
-extern struct rte_table_ops rte_table_hash_ext_dosig_ops;
-
 /** LRU hash table parameters */
 struct rte_table_hash_lru_params {
        /** Key size (number of bytes) */
index e718102..c4824c3 100644 (file)
@@ -437,8 +437,7 @@ static int rte_table_hash_ext_lookup_unoptimized(
        struct rte_mbuf **pkts,
        uint64_t pkts_mask,
        uint64_t *lookup_hit_mask,
-       void **entries,
-       int dosig)
+       void **entries)
 {
        struct rte_table_hash *t = (struct rte_table_hash *) table;
        uint64_t pkts_mask_out = 0;
@@ -458,11 +457,7 @@ static int rte_table_hash_ext_lookup_unoptimized(
 
                pkt = pkts[pkt_index];
                key = RTE_MBUF_METADATA_UINT8_PTR(pkt, t->key_offset);
-               if (dosig)
-                       sig = (uint64_t) t->f_hash(key, t->key_size, t->seed);
-               else
-                       sig = RTE_MBUF_METADATA_UINT32(pkt,
-                               t->signature_offset);
+               sig = (uint64_t) t->f_hash(key, t->key_size, t->seed);
 
                bkt_index = sig & t->bucket_mask;
                bkt0 = &t->buckets[bkt_index];
@@ -685,38 +680,7 @@ static int rte_table_hash_ext_lookup_unoptimized(
        rte_prefetch0(RTE_MBUF_METADATA_UINT8_PTR(mbuf01, key_offset));\
 }
 
-#define lookup2_stage1(t, g, pkts, pkt10_index, pkt11_index)           \
-{                                                                      \
-       struct grinder *g10, *g11;                                      \
-       uint64_t sig10, sig11, bkt10_index, bkt11_index;                \
-       struct rte_mbuf *mbuf10, *mbuf11;                               \
-       struct bucket *bkt10, *bkt11, *buckets = t->buckets;            \
-       uint64_t bucket_mask = t->bucket_mask;                          \
-       uint32_t signature_offset = t->signature_offset;                \
-                                                                       \
-       mbuf10 = pkts[pkt10_index];                                     \
-       sig10 = (uint64_t) RTE_MBUF_METADATA_UINT32(mbuf10, signature_offset);\
-       bkt10_index = sig10 & bucket_mask;                              \
-       bkt10 = &buckets[bkt10_index];                                  \
-                                                                       \
-       mbuf11 = pkts[pkt11_index];                                     \
-       sig11 = (uint64_t) RTE_MBUF_METADATA_UINT32(mbuf11, signature_offset);\
-       bkt11_index = sig11 & bucket_mask;                              \
-       bkt11 = &buckets[bkt11_index];                                  \
-                                                                       \
-       rte_prefetch0(bkt10);                                           \
-       rte_prefetch0(bkt11);                                           \
-                                                                       \
-       g10 = &g[pkt10_index];                                          \
-       g10->sig = sig10;                                               \
-       g10->bkt = bkt10;                                               \
-                                                                       \
-       g11 = &g[pkt11_index];                                          \
-       g11->sig = sig11;                                               \
-       g11->bkt = bkt11;                                               \
-}
-
-#define lookup2_stage1_dosig(t, g, pkts, pkt10_index, pkt11_index)     \
+#define lookup2_stage1(t, g, pkts, pkt10_index, pkt11_index)   \
 {                                                                      \
        struct grinder *g10, *g11;                                      \
        uint64_t sig10, sig11, bkt10_index, bkt11_index;                \
@@ -874,7 +838,7 @@ static int rte_table_hash_ext_lookup(
        /* Cannot run the pipeline with less than 7 packets */
        if (__builtin_popcountll(pkts_mask) < 7) {
                status = rte_table_hash_ext_lookup_unoptimized(table, pkts,
-                       pkts_mask, lookup_hit_mask, entries, 0);
+                       pkts_mask, lookup_hit_mask, entries);
                RTE_TABLE_HASH_EXT_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in -
                                __builtin_popcountll(*lookup_hit_mask));
                return status;
@@ -982,144 +946,7 @@ static int rte_table_hash_ext_lookup(
                uint64_t pkts_mask_out_slow = 0;
 
                status = rte_table_hash_ext_lookup_unoptimized(table, pkts,
-                       pkts_mask_match_many, &pkts_mask_out_slow, entries, 0);
-               pkts_mask_out |= pkts_mask_out_slow;
-       }
-
-       *lookup_hit_mask = pkts_mask_out;
-       RTE_TABLE_HASH_EXT_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in - __builtin_popcountll(pkts_mask_out));
-       return status;
-}
-
-static int rte_table_hash_ext_lookup_dosig(
-       void *table,
-       struct rte_mbuf **pkts,
-       uint64_t pkts_mask,
-       uint64_t *lookup_hit_mask,
-       void **entries)
-{
-       struct rte_table_hash *t = (struct rte_table_hash *) table;
-       struct grinder *g = t->grinders;
-       uint64_t pkt00_index, pkt01_index, pkt10_index, pkt11_index;
-       uint64_t pkt20_index, pkt21_index, pkt30_index, pkt31_index;
-       uint64_t pkts_mask_out = 0, pkts_mask_match_many = 0;
-       int status = 0;
-
-       __rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
-       RTE_TABLE_HASH_EXT_STATS_PKTS_IN_ADD(t, n_pkts_in);
-
-       /* Cannot run the pipeline with less than 7 packets */
-       if (__builtin_popcountll(pkts_mask) < 7) {
-               status = rte_table_hash_ext_lookup_unoptimized(table, pkts,
-                       pkts_mask, lookup_hit_mask, entries, 1);
-               RTE_TABLE_HASH_EXT_STATS_PKTS_LOOKUP_MISS(t, n_pkts_in -
-                               __builtin_popcountll(*lookup_hit_mask));
-               return status;
-       }
-
-       /* Pipeline stage 0 */
-       lookup2_stage0(t, g, pkts, pkts_mask, pkt00_index, pkt01_index);
-
-       /* Pipeline feed */
-       pkt10_index = pkt00_index;
-       pkt11_index = pkt01_index;
-
-       /* Pipeline stage 0 */
-       lookup2_stage0(t, g, pkts, pkts_mask, pkt00_index, pkt01_index);
-
-       /* Pipeline stage 1 */
-       lookup2_stage1_dosig(t, g, pkts, pkt10_index, pkt11_index);
-
-       /* Pipeline feed */
-       pkt20_index = pkt10_index;
-       pkt21_index = pkt11_index;
-       pkt10_index = pkt00_index;
-       pkt11_index = pkt01_index;
-
-       /* Pipeline stage 0 */
-       lookup2_stage0(t, g, pkts, pkts_mask, pkt00_index, pkt01_index);
-
-       /* Pipeline stage 1 */
-       lookup2_stage1_dosig(t, g, pkts, pkt10_index, pkt11_index);
-
-       /* Pipeline stage 2 */
-       lookup2_stage2(t, g, pkt20_index, pkt21_index, pkts_mask_match_many);
-
-       /*
-       * Pipeline run
-       *
-       */
-       for ( ; pkts_mask; ) {
-               /* Pipeline feed */
-               pkt30_index = pkt20_index;
-               pkt31_index = pkt21_index;
-               pkt20_index = pkt10_index;
-               pkt21_index = pkt11_index;
-               pkt10_index = pkt00_index;
-               pkt11_index = pkt01_index;
-
-               /* Pipeline stage 0 */
-               lookup2_stage0_with_odd_support(t, g, pkts, pkts_mask,
-                       pkt00_index, pkt01_index);
-
-               /* Pipeline stage 1 */
-               lookup2_stage1_dosig(t, g, pkts, pkt10_index, pkt11_index);
-
-               /* Pipeline stage 2 */
-               lookup2_stage2(t, g, pkt20_index, pkt21_index,
-                       pkts_mask_match_many);
-
-               /* Pipeline stage 3 */
-               lookup2_stage3(t, g, pkts, pkt30_index, pkt31_index,
-                       pkts_mask_out, entries);
-       }
-
-       /* Pipeline feed */
-       pkt30_index = pkt20_index;
-       pkt31_index = pkt21_index;
-       pkt20_index = pkt10_index;
-       pkt21_index = pkt11_index;
-       pkt10_index = pkt00_index;
-       pkt11_index = pkt01_index;
-
-       /* Pipeline stage 1 */
-       lookup2_stage1_dosig(t, g, pkts, pkt10_index, pkt11_index);
-
-       /* Pipeline stage 2 */
-       lookup2_stage2(t, g, pkt20_index, pkt21_index, pkts_mask_match_many);
-
-       /* Pipeline stage 3 */
-       lookup2_stage3(t, g, pkts, pkt30_index, pkt31_index, pkts_mask_out,
-               entries);
-
-       /* Pipeline feed */
-       pkt30_index = pkt20_index;
-       pkt31_index = pkt21_index;
-       pkt20_index = pkt10_index;
-       pkt21_index = pkt11_index;
-
-       /* Pipeline stage 2 */
-       lookup2_stage2(t, g, pkt20_index, pkt21_index, pkts_mask_match_many);
-
-       /* Pipeline stage 3 */
-       lookup2_stage3(t, g, pkts, pkt30_index, pkt31_index, pkts_mask_out,
-               entries);
-
-       /* Pipeline feed */
-       pkt30_index = pkt20_index;
-       pkt31_index = pkt21_index;
-
-       /* Pipeline stage 3 */
-       lookup2_stage3(t, g, pkts, pkt30_index, pkt31_index, pkts_mask_out,
-               entries);
-
-       /* Slow path */
-       pkts_mask_match_many &= ~pkts_mask_out;
-       if (pkts_mask_match_many) {
-               uint64_t pkts_mask_out_slow = 0;
-
-               status = rte_table_hash_ext_lookup_unoptimized(table, pkts,
-                       pkts_mask_match_many, &pkts_mask_out_slow, entries, 1);
+                       pkts_mask_match_many, &pkts_mask_out_slow, entries);
                pkts_mask_out |= pkts_mask_out_slow;
        }
 
@@ -1142,7 +969,7 @@ rte_table_hash_ext_stats_read(void *table, struct rte_table_stats *stats, int cl
        return 0;
 }
 
-struct rte_table_ops rte_table_hash_ext_ops     = {
+struct rte_table_ops rte_table_hash_ext_ops  = {
        .f_create = rte_table_hash_ext_create,
        .f_free = rte_table_hash_ext_free,
        .f_add = rte_table_hash_ext_entry_add,
@@ -1152,14 +979,3 @@ struct rte_table_ops rte_table_hash_ext_ops        = {
        .f_lookup = rte_table_hash_ext_lookup,
        .f_stats = rte_table_hash_ext_stats_read,
 };
-
-struct rte_table_ops rte_table_hash_ext_dosig_ops  = {
-       .f_create = rte_table_hash_ext_create,
-       .f_free = rte_table_hash_ext_free,
-       .f_add = rte_table_hash_ext_entry_add,
-       .f_delete = rte_table_hash_ext_entry_delete,
-       .f_add_bulk = NULL,
-       .f_delete_bulk = NULL,
-       .f_lookup = rte_table_hash_ext_lookup_dosig,
-       .f_stats = rte_table_hash_ext_stats_read,
-};
index b4e4e08..e473c42 100644 (file)
@@ -187,7 +187,7 @@ app_main_loop_worker_pipeline_hash(void) {
                };
 
                struct rte_pipeline_table_params table_params = {
-                       .ops = &rte_table_hash_ext_dosig_ops,
+                       .ops = &rte_table_hash_ext_ops,
                        .arg_create = &table_hash_params,
                        .f_action_hit = NULL,
                        .f_action_miss = NULL,