--- /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