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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Intel Corporation
*/
#include <string.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
#include <rte_memory.h>
#include <rte_malloc.h>
#include <rte_errno.h>
#include "rte_member.h"
#include "rte_member_ht.h"
#include "rte_member_vbf.h"
int librte_member_logtype;
TAILQ_HEAD(rte_member_list, rte_tailq_entry);
static struct rte_tailq_elem rte_member_tailq = {
.name = "RTE_MEMBER",
};
EAL_REGISTER_TAILQ(rte_member_tailq)
struct rte_member_setsum *
rte_member_find_existing(const char *name)
{
struct rte_member_setsum *setsum = NULL;
struct rte_tailq_entry *te;
struct rte_member_list *member_list;
member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);
rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
TAILQ_FOREACH(te, member_list, next) {
setsum = (struct rte_member_setsum *) te->data;
if (strncmp(name, setsum->name, RTE_MEMBER_NAMESIZE) == 0)
break;
}
rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK);
if (te == NULL) {
rte_errno = ENOENT;
return NULL;
}
return setsum;
}
void
rte_member_free(struct rte_member_setsum *setsum)
{
struct rte_member_list *member_list;
struct rte_tailq_entry *te;
if (setsum == NULL)
return;
member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);
rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
TAILQ_FOREACH(te, member_list, next) {
if (te->data == (void *)setsum)
break;
}
if (te == NULL) {
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
return;
}
TAILQ_REMOVE(member_list, te, next);
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
rte_member_free_ht(setsum);
break;
case RTE_MEMBER_TYPE_VBF:
rte_member_free_vbf(setsum);
break;
default:
break;
}
rte_free(setsum);
rte_free(te);
}
struct rte_member_setsum *
rte_member_create(const struct rte_member_parameters *params)
{
struct rte_tailq_entry *te;
struct rte_member_list *member_list;
struct rte_member_setsum *setsum;
int ret;
if (params == NULL) {
rte_errno = EINVAL;
return NULL;
}
if (params->key_len == 0 ||
params->prim_hash_seed == params->sec_hash_seed) {
rte_errno = EINVAL;
RTE_MEMBER_LOG(ERR, "Create setsummary with "
"invalid parameters\n");
return NULL;
}
member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);
rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
TAILQ_FOREACH(te, member_list, next) {
setsum = te->data;
if (strncmp(params->name, setsum->name,
RTE_MEMBER_NAMESIZE) == 0)
break;
}
setsum = NULL;
if (te != NULL) {
rte_errno = EEXIST;
te = NULL;
goto error_unlock_exit;
}
te = rte_zmalloc("MEMBER_TAILQ_ENTRY", sizeof(*te), 0);
if (te == NULL) {
RTE_MEMBER_LOG(ERR, "tailq entry allocation failed\n");
goto error_unlock_exit;
}
/* Create a new setsum structure */
setsum = rte_zmalloc_socket(params->name,
sizeof(struct rte_member_setsum), RTE_CACHE_LINE_SIZE,
params->socket_id);
if (setsum == NULL) {
RTE_MEMBER_LOG(ERR, "Create setsummary failed\n");
goto error_unlock_exit;
}
snprintf(setsum->name, sizeof(setsum->name), "%s", params->name);
setsum->type = params->type;
setsum->socket_id = params->socket_id;
setsum->key_len = params->key_len;
setsum->num_set = params->num_set;
setsum->prim_hash_seed = params->prim_hash_seed;
setsum->sec_hash_seed = params->sec_hash_seed;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
ret = rte_member_create_ht(setsum, params);
break;
case RTE_MEMBER_TYPE_VBF:
ret = rte_member_create_vbf(setsum, params);
break;
default:
goto error_unlock_exit;
}
if (ret < 0)
goto error_unlock_exit;
RTE_MEMBER_LOG(DEBUG, "Creating a setsummary table with "
"mode %u\n", setsum->type);
te->data = (void *)setsum;
TAILQ_INSERT_TAIL(member_list, te, next);
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
return setsum;
error_unlock_exit:
rte_free(te);
rte_free(setsum);
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
return NULL;
}
int
rte_member_add(const struct rte_member_setsum *setsum, const void *key,
member_set_t set_id)
{
if (setsum == NULL || key == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_add_ht(setsum, key, set_id);
case RTE_MEMBER_TYPE_VBF:
return rte_member_add_vbf(setsum, key, set_id);
default:
return -EINVAL;
}
}
int
rte_member_lookup(const struct rte_member_setsum *setsum, const void *key,
member_set_t *set_id)
{
if (setsum == NULL || key == NULL || set_id == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_lookup_ht(setsum, key, set_id);
case RTE_MEMBER_TYPE_VBF:
return rte_member_lookup_vbf(setsum, key, set_id);
default:
return -EINVAL;
}
}
int
rte_member_lookup_bulk(const struct rte_member_setsum *setsum,
const void **keys, uint32_t num_keys,
member_set_t *set_ids)
{
if (setsum == NULL || keys == NULL || set_ids == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_lookup_bulk_ht(setsum, keys, num_keys,
set_ids);
case RTE_MEMBER_TYPE_VBF:
return rte_member_lookup_bulk_vbf(setsum, keys, num_keys,
set_ids);
default:
return -EINVAL;
}
}
int
rte_member_lookup_multi(const struct rte_member_setsum *setsum, const void *key,
uint32_t match_per_key, member_set_t *set_id)
{
if (setsum == NULL || key == NULL || set_id == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_lookup_multi_ht(setsum, key, match_per_key,
set_id);
case RTE_MEMBER_TYPE_VBF:
return rte_member_lookup_multi_vbf(setsum, key, match_per_key,
set_id);
default:
return -EINVAL;
}
}
int
rte_member_lookup_multi_bulk(const struct rte_member_setsum *setsum,
const void **keys, uint32_t num_keys,
uint32_t max_match_per_key, uint32_t *match_count,
member_set_t *set_ids)
{
if (setsum == NULL || keys == NULL || set_ids == NULL ||
match_count == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_lookup_multi_bulk_ht(setsum, keys, num_keys,
max_match_per_key, match_count, set_ids);
case RTE_MEMBER_TYPE_VBF:
return rte_member_lookup_multi_bulk_vbf(setsum, keys, num_keys,
max_match_per_key, match_count, set_ids);
default:
return -EINVAL;
}
}
int
rte_member_delete(const struct rte_member_setsum *setsum, const void *key,
member_set_t set_id)
{
if (setsum == NULL || key == NULL)
return -EINVAL;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
return rte_member_delete_ht(setsum, key, set_id);
/* current vBF implementation does not support delete function */
case RTE_MEMBER_TYPE_VBF:
default:
return -EINVAL;
}
}
void
rte_member_reset(const struct rte_member_setsum *setsum)
{
if (setsum == NULL)
return;
switch (setsum->type) {
case RTE_MEMBER_TYPE_HT:
rte_member_reset_ht(setsum);
return;
case RTE_MEMBER_TYPE_VBF:
rte_member_reset_vbf(setsum);
return;
default:
return;
}
}
RTE_INIT(librte_member_init_log);
static void
librte_member_init_log(void)
{
librte_member_logtype = rte_log_register("lib.member");
if (librte_member_logtype >= 0)
rte_log_set_level(librte_member_logtype, RTE_LOG_DEBUG);
}
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