#include <rte_common.h>
#include <rte_mbuf.h>
+#include <rte_memory.h>
#include <rte_malloc.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#define RTE_TABLE_LPM_MAX_NEXT_HOPS 256
+#ifdef RTE_TABLE_STATS_COLLECT
+
+#define RTE_TABLE_LPM_STATS_PKTS_IN_ADD(table, val) \
+ table->stats.n_pkts_in += val
+#define RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(table, val) \
+ table->stats.n_pkts_lookup_miss += val
+
+#else
+
+#define RTE_TABLE_LPM_STATS_PKTS_IN_ADD(table, val)
+#define RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(table, val)
+
+#endif
+
struct rte_table_lpm {
+ struct rte_table_stats stats;
+
/* Input parameters */
uint32_t entry_size;
uint32_t entry_unique_size;
__func__);
return NULL;
}
- if ((p->offset & 0x3) != 0) {
- RTE_LOG(ERR, TABLE, "%s: Invalid offset\n", __func__);
+ if (p->name == NULL) {
+ RTE_LOG(ERR, TABLE, "%s: Table name is NULL\n",
+ __func__);
return NULL;
}
-
entry_size = RTE_ALIGN(entry_size, sizeof(uint64_t));
/* Memory allocation */
}
/* LPM low-level table creation */
- lpm->lpm = rte_lpm_create("LPM", socket_id, p->n_rules, 0);
+ lpm->lpm = rte_lpm_create(p->name, socket_id, p->n_rules, 0);
if (lpm->lpm == NULL) {
rte_free(lpm);
RTE_LOG(ERR, TABLE, "Unable to create low-level LPM table\n");
uint64_t pkts_out_mask = 0;
uint32_t i;
+ __rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
+ RTE_TABLE_LPM_STATS_PKTS_IN_ADD(lpm, n_pkts_in);
+
pkts_out_mask = 0;
for (i = 0; i < (uint32_t)(RTE_PORT_IN_BURST_SIZE_MAX -
__builtin_clzll(pkts_mask)); i++) {
}
*lookup_hit_mask = pkts_out_mask;
+ RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(lpm, n_pkts_in - __builtin_popcountll(pkts_out_mask));
+ return 0;
+}
+
+static int
+rte_table_lpm_stats_read(void *table, struct rte_table_stats *stats, int clear)
+{
+ struct rte_table_lpm *t = (struct rte_table_lpm *) table;
+
+ if (stats != NULL)
+ memcpy(stats, &t->stats, sizeof(t->stats));
+
+ if (clear)
+ memset(&t->stats, 0, sizeof(t->stats));
return 0;
}
.f_add = rte_table_lpm_entry_add,
.f_delete = rte_table_lpm_entry_delete,
.f_lookup = rte_table_lpm_lookup,
+ .f_stats = rte_table_lpm_stats_read,
};