diff options
Diffstat (limited to 'src/dpdk_lib18/librte_table/rte_table_array.c')
-rwxr-xr-x | src/dpdk_lib18/librte_table/rte_table_array.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/dpdk_lib18/librte_table/rte_table_array.c b/src/dpdk_lib18/librte_table/rte_table_array.c deleted file mode 100755 index c0310700..00000000 --- a/src/dpdk_lib18/librte_table/rte_table_array.c +++ /dev/null @@ -1,205 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 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 <stdio.h> - -#include <rte_common.h> -#include <rte_mbuf.h> -#include <rte_memory.h> -#include <rte_malloc.h> -#include <rte_log.h> - -#include "rte_table_array.h" - -struct rte_table_array { - /* Input parameters */ - uint32_t entry_size; - uint32_t n_entries; - uint32_t offset; - - /* Internal fields */ - uint32_t entry_pos_mask; - - /* Internal table */ - uint8_t array[0] __rte_cache_aligned; -} __rte_cache_aligned; - -static void * -rte_table_array_create(void *params, int socket_id, uint32_t entry_size) -{ - struct rte_table_array_params *p = - (struct rte_table_array_params *) params; - struct rte_table_array *t; - uint32_t total_cl_size, total_size; - - /* Check input parameters */ - if ((p == NULL) || - (p->n_entries == 0) || - (!rte_is_power_of_2(p->n_entries)) || - ((p->offset & 0x3) != 0)) { - return NULL; - } - - /* Memory allocation */ - total_cl_size = (sizeof(struct rte_table_array) + - RTE_CACHE_LINE_SIZE) / RTE_CACHE_LINE_SIZE; - total_cl_size += (p->n_entries * entry_size + - RTE_CACHE_LINE_SIZE) / RTE_CACHE_LINE_SIZE; - total_size = total_cl_size * RTE_CACHE_LINE_SIZE; - t = rte_zmalloc_socket("TABLE", total_size, RTE_CACHE_LINE_SIZE, socket_id); - if (t == NULL) { - RTE_LOG(ERR, TABLE, - "%s: Cannot allocate %u bytes for array table\n", - __func__, total_size); - return NULL; - } - - /* Memory initialization */ - t->entry_size = entry_size; - t->n_entries = p->n_entries; - t->offset = p->offset; - t->entry_pos_mask = t->n_entries - 1; - - return t; -} - -static int -rte_table_array_free(void *table) -{ - struct rte_table_array *t = (struct rte_table_array *) table; - - /* Check input parameters */ - if (t == NULL) { - RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__); - return -EINVAL; - } - - /* Free previously allocated resources */ - rte_free(t); - - return 0; -} - -static int -rte_table_array_entry_add( - void *table, - void *key, - void *entry, - int *key_found, - void **entry_ptr) -{ - struct rte_table_array *t = (struct rte_table_array *) table; - struct rte_table_array_key *k = (struct rte_table_array_key *) key; - uint8_t *table_entry; - - /* Check input parameters */ - if (table == NULL) { - RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__); - return -EINVAL; - } - if (key == NULL) { - RTE_LOG(ERR, TABLE, "%s: key parameter is NULL\n", __func__); - return -EINVAL; - } - if (entry == NULL) { - RTE_LOG(ERR, TABLE, "%s: entry parameter is NULL\n", __func__); - return -EINVAL; - } - if (key_found == NULL) { - RTE_LOG(ERR, TABLE, "%s: key_found parameter is NULL\n", - __func__); - return -EINVAL; - } - if (entry_ptr == NULL) { - RTE_LOG(ERR, TABLE, "%s: entry_ptr parameter is NULL\n", - __func__); - return -EINVAL; - } - - table_entry = &t->array[k->pos * t->entry_size]; - memcpy(table_entry, entry, t->entry_size); - *key_found = 1; - *entry_ptr = (void *) table_entry; - - return 0; -} - -static int -rte_table_array_lookup( - void *table, - struct rte_mbuf **pkts, - uint64_t pkts_mask, - uint64_t *lookup_hit_mask, - void **entries) -{ - struct rte_table_array *t = (struct rte_table_array *) table; - - *lookup_hit_mask = pkts_mask; - - if ((pkts_mask & (pkts_mask + 1)) == 0) { - uint64_t n_pkts = __builtin_popcountll(pkts_mask); - uint32_t i; - - for (i = 0; i < n_pkts; i++) { - struct rte_mbuf *pkt = pkts[i]; - uint32_t entry_pos = RTE_MBUF_METADATA_UINT32(pkt, - t->offset) & t->entry_pos_mask; - - entries[i] = (void *) &t->array[entry_pos * - t->entry_size]; - } - } else { - for ( ; pkts_mask; ) { - uint32_t pkt_index = __builtin_ctzll(pkts_mask); - uint64_t pkt_mask = 1LLU << pkt_index; - struct rte_mbuf *pkt = pkts[pkt_index]; - uint32_t entry_pos = RTE_MBUF_METADATA_UINT32(pkt, - t->offset) & t->entry_pos_mask; - - entries[pkt_index] = (void *) &t->array[entry_pos * - t->entry_size]; - pkts_mask &= ~pkt_mask; - } - } - - return 0; -} - -struct rte_table_ops rte_table_array_ops = { - .f_create = rte_table_array_create, - .f_free = rte_table_array_free, - .f_add = rte_table_array_entry_add, - .f_delete = NULL, - .f_lookup = rte_table_array_lookup, -}; |