app/test-pipeline/pipeline_lpm_ipv6.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdint.h>
   8
   9 #include <rte_log.h>
  10 #include <rte_ethdev.h>
  11 #include <rte_ether.h>
  12 #include <rte_ip.h>
  13 #include <rte_byteorder.h>
  14
  15 #include <rte_port_ring.h>
  16 #include <rte_table_lpm_ipv6.h>
  17 #include <rte_pipeline.h>
  18
  19 #include "main.h"
  20
  21 void
  22 app_main_loop_worker_pipeline_lpm_ipv6(void) {
  23         struct rte_pipeline_params pipeline_params = {
  24                 .name = "pipeline",
  25                 .socket_id = rte_socket_id(),
  26         };
  27
  28         struct rte_pipeline *p;
  29         uint32_t port_in_id[APP_MAX_PORTS];
  30         uint32_t port_out_id[APP_MAX_PORTS];
  31         uint32_t table_id;
  32         uint32_t i;
  33
  34         RTE_LOG(INFO, USER1,
  35                 "Core %u is doing work (pipeline with IPv6 LPM table)\n",
  36                 rte_lcore_id());
  37
  38         /* Pipeline configuration */
  39         p = rte_pipeline_create(&pipeline_params);
  40         if (p == NULL)
  41                 rte_panic("Unable to configure the pipeline\n");
  42
  43         /* Input port configuration */
  44         for (i = 0; i < app.n_ports; i++) {
  45                 struct rte_port_ring_reader_params port_ring_params = {
  46                         .ring = app.rings_rx[i],
  47                 };
  48
  49                 struct rte_pipeline_port_in_params port_params = {
  50                         .ops = &rte_port_ring_reader_ops,
  51                         .arg_create = (void *) &port_ring_params,
  52                         .f_action = NULL,
  53                         .arg_ah = NULL,
  54                         .burst_size = app.burst_size_worker_read,
  55                 };
  56
  57                 if (rte_pipeline_port_in_create(p, &port_params,
  58                         &port_in_id[i]))
  59                         rte_panic("Unable to configure input port for "
  60                                 "ring %d\n", i);
  61         }
  62
  63         /* Output port configuration */
  64         for (i = 0; i < app.n_ports; i++) {
  65                 struct rte_port_ring_writer_params port_ring_params = {
  66                         .ring = app.rings_tx[i],
  67                         .tx_burst_sz = app.burst_size_worker_write,
  68                 };
  69
  70                 struct rte_pipeline_port_out_params port_params = {
  71                         .ops = &rte_port_ring_writer_ops,
  72                         .arg_create = (void *) &port_ring_params,
  73                         .f_action = NULL,
  74                         .arg_ah = NULL,
  75                 };
  76
  77                 if (rte_pipeline_port_out_create(p, &port_params,
  78                         &port_out_id[i]))
  79                         rte_panic("Unable to configure output port for "
  80                                 "ring %d\n", i);
  81         }
  82
  83         /* Table configuration */
  84         {
  85                 struct rte_table_lpm_ipv6_params table_lpm_ipv6_params = {
  86                         .name = "LPM",
  87                         .n_rules = 1 << 24,
  88                         .number_tbl8s = 1 << 21,
  89                         .entry_unique_size =
  90                                 sizeof(struct rte_pipeline_table_entry),
  91                         .offset = APP_METADATA_OFFSET(32),
  92                 };
  93
  94                 struct rte_pipeline_table_params table_params = {
  95                         .ops = &rte_table_lpm_ipv6_ops,
  96                         .arg_create = &table_lpm_ipv6_params,
  97                         .f_action_hit = NULL,
  98                         .f_action_miss = NULL,
  99                         .arg_ah = NULL,
 100                         .action_data_size = 0,
 101                 };
 102
 103                 if (rte_pipeline_table_create(p, &table_params, &table_id))
 104                         rte_panic("Unable to configure the IPv6 LPM table\n");
 105         }
 106
 107         /* Interconnecting ports and tables */
 108         for (i = 0; i < app.n_ports; i++)
 109                 if (rte_pipeline_port_in_connect_to_table(p, port_in_id[i],
 110                         table_id))
 111                         rte_panic("Unable to connect input port %u to "
 112                                 "table %u\n", port_in_id[i],  table_id);
 113
 114         /* Add entries to tables */
 115         for (i = 0; i < app.n_ports; i++) {
 116                 struct rte_pipeline_table_entry entry = {
 117                         .action = RTE_PIPELINE_ACTION_PORT,
 118                         {.port_id = port_out_id[i & (app.n_ports - 1)]},
 119                 };
 120
 121                 struct rte_table_lpm_ipv6_key key;
 122                 struct rte_pipeline_table_entry *entry_ptr;
 123                 uint32_t ip;
 124                 int key_found, status;
 125
 126                 key.depth = 8 + __builtin_popcount(app.n_ports - 1);
 127
 128                 ip = rte_bswap32(i << (24 -
 129                         __builtin_popcount(app.n_ports - 1)));
 130                 memcpy(key.ip, &ip, sizeof(uint32_t));
 131
 132                 printf("Adding rule to IPv6 LPM table (IPv6 destination = "
 133                         "%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:"
 134                         "%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x/%u => "
 135                         "port out = %u)\n",
 136                         key.ip[0], key.ip[1], key.ip[2], key.ip[3],
 137                         key.ip[4], key.ip[5], key.ip[6], key.ip[7],
 138                         key.ip[8], key.ip[9], key.ip[10], key.ip[11],
 139                         key.ip[12], key.ip[13], key.ip[14], key.ip[15],
 140                         key.depth, i);
 141
 142                 status = rte_pipeline_table_entry_add(p, table_id, &key, &entry,
 143                         &key_found, &entry_ptr);
 144                 if (status < 0)
 145                         rte_panic("Unable to add entry to table %u (%d)\n",
 146                                 table_id, status);
 147         }
 148
 149         /* Enable input ports */
 150         for (i = 0; i < app.n_ports; i++)
 151                 if (rte_pipeline_port_in_enable(p, port_in_id[i]))
 152                         rte_panic("Unable to enable input port %u\n",
 153                                 port_in_id[i]);
 154
 155         /* Check pipeline consistency */
 156         if (rte_pipeline_check(p) < 0)
 157                 rte_panic("Pipeline consistency check failed\n");
 158
 159         /* Run-time */
 160 #if APP_FLUSH == 0
 161         for ( ; ; )
 162                 rte_pipeline_run(p);
 163 #else
 164         for (i = 0; ; i++) {
 165                 rte_pipeline_run(p);
 166
 167                 if ((i & APP_FLUSH) == 0)
 168                         rte_pipeline_flush(p);
 169         }
 170 #endif
 171 }