X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_table%2Frte_table_hash_key16.c;h=f6a3306df558d4cd176458bdeb626742b072982c;hb=4d0a3f2a93f34b2840a1331cea39f6e0f49f74ff;hp=94554168c5b6a801d57a4089d010b71662b2dae1;hpb=fdf20fa7bee9df9037116318a87080e1eb7e757e;p=dpdk.git

diff --git a/lib/librte_table/rte_table_hash_key16.c b/lib/librte_table/rte_table_hash_key16.c
index 94554168c5..f6a3306df5 100644
--- a/lib/librte_table/rte_table_hash_key16.c
+++ b/lib/librte_table/rte_table_hash_key16.c
@@ -35,6 +35,7 @@
 
 #include <rte_common.h>
 #include <rte_mbuf.h>
+#include <rte_memory.h>
 #include <rte_malloc.h>
 #include <rte_log.h>
 
@@ -45,6 +46,20 @@
 
 #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];
@@ -60,6 +75,8 @@ struct rte_bucket_4_16 {
 };
 
 struct rte_table_hash {
+	struct rte_table_stats stats;
+
 	/* Input parameters */
 	uint32_t n_buckets;
 	uint32_t n_entries_per_bucket;
@@ -88,18 +105,6 @@ check_params_create_lru(struct rte_table_hash_key16_lru_params *params) {
 		return -EINVAL;
 	}
 
-	/* signature offset */
-	if ((params->signature_offset & 0x3) != 0) {
-		RTE_LOG(ERR, TABLE, "%s: invalid signature_offset\n", __func__);
-		return -EINVAL;
-	}
-
-	/* key offset */
-	if ((params->key_offset & 0x7) != 0) {
-		RTE_LOG(ERR, TABLE, "%s: invalid key_offset\n", __func__);
-		return -EINVAL;
-	}
-
 	/* f_hash */
 	if (params->f_hash == NULL) {
 		RTE_LOG(ERR, TABLE,
@@ -306,18 +311,6 @@ check_params_create_ext(struct rte_table_hash_key16_ext_params *params) {
 		return -EINVAL;
 	}
 
-	/* signature offset */
-	if ((params->signature_offset & 0x3) != 0) {
-		RTE_LOG(ERR, TABLE, "%s: invalid signature offset\n", __func__);
-		return -EINVAL;
-	}
-
-	/* key offset */
-	if ((params->key_offset & 0x7) != 0) {
-		RTE_LOG(ERR, TABLE, "%s: invalid key offset\n", __func__);
-		return -EINVAL;
-	}
-
 	/* f_hash */
 	if (params->f_hash == NULL) {
 		RTE_LOG(ERR, TABLE,
@@ -534,9 +527,8 @@ rte_table_hash_entry_delete_key16_ext(
 
 					memset(bucket, 0,
 						sizeof(struct rte_bucket_4_16));
-					bucket_index = (bucket -
-						((struct rte_bucket_4_16 *)
-						f->memory)) - f->n_buckets;
+					bucket_index = (((uint8_t *)bucket -
+						(uint8_t *)f->memory)/f->bucket_size) - f->n_buckets;
 					f->stack[f->stack_pos++] = bucket_index;
 				}
 
@@ -831,6 +823,9 @@ rte_table_hash_lookup_key16_lru(
 	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; ) {
@@ -845,6 +840,7 @@ rte_table_hash_lookup_key16_lru(
 		}
 
 		*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;
 	}
 
@@ -934,6 +930,7 @@ rte_table_hash_lookup_key16_lru(
 		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() */
 
@@ -954,6 +951,9 @@ rte_table_hash_lookup_key16_ext(
 	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; ) {
@@ -1080,15 +1080,31 @@ grind_next_buckets:
 	}
 
 	*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_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_lookup = rte_table_hash_lookup_key16_lru,
+	.f_stats = rte_table_hash_key16_stats_read,
 };
 
 struct rte_table_ops rte_table_hash_key16_ext_ops = {
@@ -1097,4 +1113,5 @@ struct rte_table_ops rte_table_hash_key16_ext_ops = {
 	.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,
+	.f_stats = rte_table_hash_key16_stats_read,
 };