--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#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 = (struct rte_member_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 = (struct rte_member_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_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+ rte_member_free(setsum);
+ 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("librte.member");
+ if (librte_member_logtype >= 0)
+ rte_log_set_level(librte_member_logtype, RTE_LOG_DEBUG);
+}
Code Review / deb_dpdk.git / blobdiff