app/test-pipeline/pipeline_lpm_ipv6.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37
  38 #include <rte_log.h>
  39 #include <rte_ethdev.h>
  40 #include <rte_ether.h>
  41 #include <rte_ip.h>
  42 #include <rte_byteorder.h>
  43
  44 #include <rte_port_ring.h>
  45 #include <rte_table_lpm_ipv6.h>
  46 #include <rte_pipeline.h>
  47
  48 #include "main.h"
  49
  50 void
  51 app_main_loop_worker_pipeline_lpm_ipv6(void) {
  52         struct rte_pipeline_params pipeline_params = {
  53                 .name = "pipeline",
  54                 .socket_id = rte_socket_id(),
  55         };
  56
  57         struct rte_pipeline *p;
  58         uint32_t port_in_id[APP_MAX_PORTS];
  59         uint32_t port_out_id[APP_MAX_PORTS];
  60         uint32_t table_id;
  61         uint32_t i;
  62
  63         RTE_LOG(INFO, USER1,
  64                 "Core %u is doing work (pipeline with IPv6 LPM table)\n",
  65                 rte_lcore_id());
  66
  67         /* Pipeline configuration */
  68         p = rte_pipeline_create(&pipeline_params);
  69         if (p == NULL)
  70                 rte_panic("Unable to configure the pipeline\n");
  71
  72         /* Input port configuration */
  73         for (i = 0; i < app.n_ports; i++) {
  74                 struct rte_port_ring_reader_params port_ring_params = {
  75                         .ring = app.rings_rx[i],
  76                 };
  77
  78                 struct rte_pipeline_port_in_params port_params = {
  79                         .ops = &rte_port_ring_reader_ops,
  80                         .arg_create = (void *) &port_ring_params,
  81                         .f_action = NULL,
  82                         .arg_ah = NULL,
  83                         .burst_size = app.burst_size_worker_read,
  84                 };
  85
  86                 if (rte_pipeline_port_in_create(p, &port_params,
  87                         &port_in_id[i]))
  88                         rte_panic("Unable to configure input port for "
  89                                 "ring %d\n", i);
  90         }
  91
  92         /* Output port configuration */
  93         for (i = 0; i < app.n_ports; i++) {
  94                 struct rte_port_ring_writer_params port_ring_params = {
  95                         .ring = app.rings_tx[i],
  96                         .tx_burst_sz = app.burst_size_worker_write,
  97                 };
  98
  99                 struct rte_pipeline_port_out_params port_params = {
 100                         .ops = &rte_port_ring_writer_ops,
 101                         .arg_create = (void *) &port_ring_params,
 102                         .f_action = NULL,
 103                         .f_action_bulk = NULL,
 104                         .arg_ah = NULL,
 105                 };
 106
 107                 if (rte_pipeline_port_out_create(p, &port_params,
 108                         &port_out_id[i]))
 109                         rte_panic("Unable to configure output port for "
 110                                 "ring %d\n", i);
 111         }
 112
 113         /* Table configuration */
 114         {
 115                 struct rte_table_lpm_ipv6_params table_lpm_ipv6_params = {
 116                         .n_rules = 1 << 24,
 117                         .number_tbl8s = 1 << 21,
 118                         .entry_unique_size =
 119                                 sizeof(struct rte_pipeline_table_entry),
 120                         .offset = 32,
 121                 };
 122
 123                 struct rte_pipeline_table_params table_params = {
 124                         .ops = &rte_table_lpm_ipv6_ops,
 125                         .arg_create = &table_lpm_ipv6_params,
 126                         .f_action_hit = NULL,
 127                         .f_action_miss = NULL,
 128                         .arg_ah = NULL,
 129                         .action_data_size = 0,
 130                 };
 131
 132                 if (rte_pipeline_table_create(p, &table_params, &table_id))
 133                         rte_panic("Unable to configure the IPv6 LPM table\n");
 134         }
 135
 136         /* Interconnecting ports and tables */
 137         for (i = 0; i < app.n_ports; i++)
 138                 if (rte_pipeline_port_in_connect_to_table(p, port_in_id[i],
 139                         table_id))
 140                         rte_panic("Unable to connect input port %u to "
 141                                 "table %u\n", port_in_id[i],  table_id);
 142
 143         /* Add entries to tables */
 144         for (i = 0; i < app.n_ports; i++) {
 145                 struct rte_pipeline_table_entry entry = {
 146                         .action = RTE_PIPELINE_ACTION_PORT,
 147                         {.port_id = port_out_id[i & (app.n_ports - 1)]},
 148                 };
 149
 150                 struct rte_table_lpm_ipv6_key key;
 151                 struct rte_pipeline_table_entry *entry_ptr;
 152                 uint32_t ip;
 153                 int key_found, status;
 154
 155                 key.depth = 8 + __builtin_popcount(app.n_ports - 1);
 156
 157                 ip = rte_bswap32(i << (24 -
 158                         __builtin_popcount(app.n_ports - 1)));
 159                 memcpy(key.ip, &ip, sizeof(uint32_t));
 160
 161                 printf("Adding rule to IPv6 LPM table (IPv6 destination = "
 162                         "%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:"
 163                         "%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x/%u => "
 164                         "port out = %u)\n",
 165                         key.ip[0], key.ip[1], key.ip[2], key.ip[3],
 166                         key.ip[4], key.ip[5], key.ip[6], key.ip[7],
 167                         key.ip[8], key.ip[9], key.ip[10], key.ip[11],
 168                         key.ip[12], key.ip[13], key.ip[14], key.ip[15],
 169                         key.depth, i);
 170
 171                 status = rte_pipeline_table_entry_add(p, table_id, &key, &entry,
 172                         &key_found, &entry_ptr);
 173                 if (status < 0)
 174                         rte_panic("Unable to add entry to table %u (%d)\n",
 175                                 table_id, status);
 176         }
 177
 178         /* Enable input ports */
 179         for (i = 0; i < app.n_ports; i++)
 180                 if (rte_pipeline_port_in_enable(p, port_in_id[i]))
 181                         rte_panic("Unable to enable input port %u\n",
 182                                 port_in_id[i]);
 183
 184         /* Check pipeline consistency */
 185         if (rte_pipeline_check(p) < 0)
 186                 rte_panic("Pipeline consistency check failed\n");
 187
 188         /* Run-time */
 189 #if APP_FLUSH == 0
 190         for ( ; ; )
 191                 rte_pipeline_run(p);
 192 #else
 193         for (i = 0; ; i++) {
 194                 rte_pipeline_run(p);
 195
 196                 if ((i & APP_FLUSH) == 0)
 197                         rte_pipeline_flush(p);
 198         }
 199 #endif
 200 }