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 } 201