369991d997
Replace the BSD license header with the SPDX tag for files with only an Intel copyright on them. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2010-2014 Intel Corporation
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include <rte_mbuf.h>
|
|
#include <rte_malloc.h>
|
|
|
|
#include "rte_table_stub.h"
|
|
|
|
#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_stub {
|
|
struct rte_table_stats stats;
|
|
};
|
|
|
|
static void *
|
|
rte_table_stub_create(__rte_unused void *params,
|
|
__rte_unused int socket_id,
|
|
__rte_unused uint32_t entry_size)
|
|
{
|
|
struct rte_table_stub *stub;
|
|
uint32_t size;
|
|
|
|
size = sizeof(struct rte_table_stub);
|
|
stub = rte_zmalloc_socket("TABLE", size, RTE_CACHE_LINE_SIZE,
|
|
socket_id);
|
|
if (stub == NULL) {
|
|
RTE_LOG(ERR, TABLE,
|
|
"%s: Cannot allocate %u bytes for stub table\n",
|
|
__func__, size);
|
|
return NULL;
|
|
}
|
|
|
|
return stub;
|
|
}
|
|
|
|
static int
|
|
rte_table_stub_lookup(
|
|
__rte_unused void *table,
|
|
__rte_unused struct rte_mbuf **pkts,
|
|
__rte_unused uint64_t pkts_mask,
|
|
uint64_t *lookup_hit_mask,
|
|
__rte_unused void **entries)
|
|
{
|
|
__rte_unused struct rte_table_stub *stub = (struct rte_table_stub *) table;
|
|
__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
|
|
|
|
RTE_TABLE_LPM_STATS_PKTS_IN_ADD(stub, n_pkts_in);
|
|
*lookup_hit_mask = 0;
|
|
RTE_TABLE_LPM_STATS_PKTS_LOOKUP_MISS(stub, n_pkts_in);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rte_table_stub_stats_read(void *table, struct rte_table_stats *stats, int clear)
|
|
{
|
|
struct rte_table_stub *t = 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_stub_ops = {
|
|
.f_create = rte_table_stub_create,
|
|
.f_free = NULL,
|
|
.f_add = NULL,
|
|
.f_delete = NULL,
|
|
.f_add_bulk = NULL,
|
|
.f_delete_bulk = NULL,
|
|
.f_lookup = rte_table_stub_lookup,
|
|
.f_stats = rte_table_stub_stats_read,
|
|
};
|