+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2016 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 <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-
-#include <rte_log.h>
-#include <rte_ethdev.h>
-#include <rte_ether.h>
-#include <rte_ip.h>
-#include <rte_byteorder.h>
-
-#include <rte_port_ring.h>
-#include <rte_table_lpm.h>
-#include <rte_pipeline.h>
-
-#include "main.h"
-
-#ifndef PIPELINE_LPM_TABLE_NUMBER_TABLE8s
-#define PIPELINE_LPM_TABLE_NUMBER_TABLE8s 256
-#endif
-
-void
-app_main_loop_worker_pipeline_lpm(void) {
- struct rte_pipeline_params pipeline_params = {
- .name = "pipeline",
- .socket_id = rte_socket_id(),
- };
-
- struct rte_pipeline *p;
- uint32_t port_in_id[APP_MAX_PORTS];
- uint32_t port_out_id[APP_MAX_PORTS];
- uint32_t table_id;
- uint32_t i;
-
- RTE_LOG(INFO, USER1, "Core %u is doing work (pipeline with "
- "LPM table)\n", rte_lcore_id());
-
- /* Pipeline configuration */
- p = rte_pipeline_create(&pipeline_params);
- if (p == NULL)
- rte_panic("Unable to configure the pipeline\n");
-
- /* Input port configuration */
- for (i = 0; i < app.n_ports; i++) {
- struct rte_port_ring_reader_params port_ring_params = {
- .ring = app.rings_rx[i],
- };
-
- struct rte_pipeline_port_in_params port_params = {
- .ops = &rte_port_ring_reader_ops,
- .arg_create = (void *) &port_ring_params,
- .f_action = NULL,
- .arg_ah = NULL,
- .burst_size = app.burst_size_worker_read,
- };
-
- if (rte_pipeline_port_in_create(p, &port_params,
- &port_in_id[i]))
- rte_panic("Unable to configure input port for "
- "ring %d\n", i);
- }
-
- /* Output port configuration */
- for (i = 0; i < app.n_ports; i++) {
- struct rte_port_ring_writer_params port_ring_params = {
- .ring = app.rings_tx[i],
- .tx_burst_sz = app.burst_size_worker_write,
- };
-
- struct rte_pipeline_port_out_params port_params = {
- .ops = &rte_port_ring_writer_ops,
- .arg_create = (void *) &port_ring_params,
- .f_action = NULL,
- .arg_ah = NULL,
- };
-
- if (rte_pipeline_port_out_create(p, &port_params,
- &port_out_id[i]))
- rte_panic("Unable to configure output port for "
- "ring %d\n", i);
- }
-
- /* Table configuration */
- {
- struct rte_table_lpm_params table_lpm_params = {
- .name = "LPM",
- .n_rules = 1 << 24,
- .number_tbl8s = PIPELINE_LPM_TABLE_NUMBER_TABLE8s,
- .flags = 0,
- .entry_unique_size =
- sizeof(struct rte_pipeline_table_entry),
- .offset = APP_METADATA_OFFSET(32),
- };
-
- struct rte_pipeline_table_params table_params = {
- .ops = &rte_table_lpm_ops,
- .arg_create = &table_lpm_params,
- .f_action_hit = NULL,
- .f_action_miss = NULL,
- .arg_ah = NULL,
- .action_data_size = 0,
- };
-
- if (rte_pipeline_table_create(p, &table_params, &table_id))
- rte_panic("Unable to configure the LPM table\n");
- }
-
- /* Interconnecting ports and tables */
- for (i = 0; i < app.n_ports; i++)
- if (rte_pipeline_port_in_connect_to_table(p, port_in_id[i],
- table_id))
- rte_panic("Unable to connect input port %u to "
- "table %u\n", port_in_id[i], table_id);
-
- /* Add entries to tables */
- for (i = 0; i < app.n_ports; i++) {
- struct rte_pipeline_table_entry entry = {
- .action = RTE_PIPELINE_ACTION_PORT,
- {.port_id = port_out_id[i & (app.n_ports - 1)]},
- };
-
- struct rte_table_lpm_key key = {
- .ip = i << (24 - __builtin_popcount(app.n_ports - 1)),
- .depth = 8 + __builtin_popcount(app.n_ports - 1),
- };
-
- struct rte_pipeline_table_entry *entry_ptr;
-
- int key_found, status;
-
- printf("Adding rule to LPM table (IPv4 destination = %"
- PRIu32 ".%" PRIu32 ".%" PRIu32 ".%" PRIu32 "/%" PRIu8
- " => port out = %" PRIu32 ")\n",
- (key.ip & 0xFF000000) >> 24,
- (key.ip & 0x00FF0000) >> 16,
- (key.ip & 0x0000FF00) >> 8,
- key.ip & 0x000000FF,
- key.depth,
- i);
-
- status = rte_pipeline_table_entry_add(p, table_id, &key, &entry,
- &key_found, &entry_ptr);
- if (status < 0)
- rte_panic("Unable to add entry to table %u (%d)\n",
- table_id, status);
- }
-
- /* Enable input ports */
- for (i = 0; i < app.n_ports; i++)
- if (rte_pipeline_port_in_enable(p, port_in_id[i]))
- rte_panic("Unable to enable input port %u\n",
- port_in_id[i]);
-
- /* Check pipeline consistency */
- if (rte_pipeline_check(p) < 0)
- rte_panic("Pipeline consistency check failed\n");
-
- /* Run-time */
-#if APP_FLUSH == 0
- for ( ; ; )
- rte_pipeline_run(p);
-#else
- for (i = 0; ; i++) {
- rte_pipeline_run(p);
-
- if ((i & APP_FLUSH) == 0)
- rte_pipeline_flush(p);
- }
-#endif
-}
Code Review / deb_dpdk.git / blobdiff