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 #include <inttypes.h> 38 #include <sys/types.h> 39 #include <string.h> 40 #include <sys/queue.h> 41 #include <stdarg.h> 42 #include <errno.h> 43 #include <getopt.h> 44 45 #include <rte_common.h> 46 #include <rte_byteorder.h> 47 #include <rte_log.h> 48 #include <rte_memory.h> 49 #include <rte_memcpy.h> 50 #include <rte_memzone.h> 51 #include <rte_tailq.h> 52 #include <rte_eal.h> 53 #include <rte_per_lcore.h> 54 #include <rte_launch.h> 55 #include <rte_atomic.h> 56 #include <rte_cycles.h> 57 #include <rte_prefetch.h> 58 #include <rte_lcore.h> 59 #include <rte_per_lcore.h> 60 #include <rte_branch_prediction.h> 61 #include <rte_interrupts.h> 62 #include <rte_pci.h> 63 #include <rte_random.h> 64 #include <rte_debug.h> 65 #include <rte_ether.h> 66 #include <rte_ethdev.h> 67 #include <rte_ring.h> 68 #include <rte_mempool.h> 69 #include <rte_mbuf.h> 70 #include <rte_string_fns.h> 71 #include <rte_ip.h> 72 #include <rte_tcp.h> 73 #include <rte_lpm.h> 74 #include <rte_lpm6.h> 75 76 #include "main.h" 77 78 struct app_params app = { 79 /* Ports*/ 80 .n_ports = APP_MAX_PORTS, 81 .port_rx_ring_size = 128, 82 .port_tx_ring_size = 512, 83 84 /* Rings */ 85 .ring_rx_size = 128, 86 .ring_tx_size = 128, 87 88 /* Buffer pool */ 89 .pool_buffer_size = 2048 + sizeof(struct rte_mbuf) + 90 RTE_PKTMBUF_HEADROOM, 91 .pool_size = 32 * 1024, 92 .pool_cache_size = 256, 93 94 /* Burst sizes */ 95 .burst_size_rx_read = 64, 96 .burst_size_rx_write = 64, 97 .burst_size_worker_read = 64, 98 .burst_size_worker_write = 64, 99 .burst_size_tx_read = 64, 100 .burst_size_tx_write = 64, 101 }; 102 103 static struct rte_eth_conf port_conf = { 104 .rxmode = { 105 .split_hdr_size = 0, 106 .header_split = 0, /* Header Split disabled */ 107 .hw_ip_checksum = 1, /* IP checksum offload enabled */ 108 .hw_vlan_filter = 0, /* VLAN filtering disabled */ 109 .jumbo_frame = 0, /* Jumbo Frame Support disabled */ 110 .hw_strip_crc = 0, /* CRC stripped by hardware */ 111 }, 112 .rx_adv_conf = { 113 .rss_conf = { 114 .rss_key = NULL, 115 .rss_hf = ETH_RSS_IP, 116 }, 117 }, 118 .txmode = { 119 .mq_mode = ETH_MQ_TX_NONE, 120 }, 121 }; 122 123 static struct rte_eth_rxconf rx_conf = { 124 .rx_thresh = { 125 .pthresh = 8, 126 .hthresh = 8, 127 .wthresh = 4, 128 }, 129 .rx_free_thresh = 64, 130 .rx_drop_en = 0, 131 }; 132 133 static struct rte_eth_txconf tx_conf = { 134 .tx_thresh = { 135 .pthresh = 36, 136 .hthresh = 0, 137 .wthresh = 0, 138 }, 139 .tx_free_thresh = 0, 140 .tx_rs_thresh = 0, 141 }; 142 143 static void 144 app_init_mbuf_pools(void) 145 { 146 /* Init the buffer pool */ 147 RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n"); 148 app.pool = rte_mempool_create( 149 "mempool", 150 app.pool_size, 151 app.pool_buffer_size, 152 app.pool_cache_size, 153 sizeof(struct rte_pktmbuf_pool_private), 154 rte_pktmbuf_pool_init, NULL, 155 rte_pktmbuf_init, NULL, 156 rte_socket_id(), 157 0); 158 if (app.pool == NULL) 159 rte_panic("Cannot create mbuf pool\n"); 160 } 161 162 static void 163 app_init_rings(void) 164 { 165 uint32_t i; 166 167 for (i = 0; i < app.n_ports; i++) { 168 char name[32]; 169 170 snprintf(name, sizeof(name), "app_ring_rx_%u", i); 171 172 app.rings_rx[i] = rte_ring_create( 173 name, 174 app.ring_rx_size, 175 rte_socket_id(), 176 RING_F_SP_ENQ | RING_F_SC_DEQ); 177 178 if (app.rings_rx[i] == NULL) 179 rte_panic("Cannot create RX ring %u\n", i); 180 } 181 182 for (i = 0; i < app.n_ports; i++) { 183 char name[32]; 184 185 snprintf(name, sizeof(name), "app_ring_tx_%u", i); 186 187 app.rings_tx[i] = rte_ring_create( 188 name, 189 app.ring_tx_size, 190 rte_socket_id(), 191 RING_F_SP_ENQ | RING_F_SC_DEQ); 192 193 if (app.rings_tx[i] == NULL) 194 rte_panic("Cannot create TX ring %u\n", i); 195 } 196 197 } 198 199 static void 200 app_ports_check_link(void) 201 { 202 uint32_t all_ports_up, i; 203 204 all_ports_up = 1; 205 206 for (i = 0; i < app.n_ports; i++) { 207 struct rte_eth_link link; 208 uint8_t port; 209 210 port = (uint8_t) app.ports[i]; 211 memset(&link, 0, sizeof(link)); 212 rte_eth_link_get_nowait(port, &link); 213 RTE_LOG(INFO, USER1, "Port %u (%u Gbps) %s\n", 214 port, 215 link.link_speed / 1000, 216 link.link_status ? "UP" : "DOWN"); 217 218 if (link.link_status == 0) 219 all_ports_up = 0; 220 } 221 222 if (all_ports_up == 0) 223 rte_panic("Some NIC ports are DOWN\n"); 224 } 225 226 static void 227 app_init_ports(void) 228 { 229 uint32_t i; 230 231 /* Init NIC ports, then start the ports */ 232 for (i = 0; i < app.n_ports; i++) { 233 uint8_t port; 234 int ret; 235 236 port = (uint8_t) app.ports[i]; 237 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port); 238 239 /* Init port */ 240 ret = rte_eth_dev_configure( 241 port, 242 1, 243 1, 244 &port_conf); 245 if (ret < 0) 246 rte_panic("Cannot init NIC port %u (%d)\n", port, ret); 247 248 rte_eth_promiscuous_enable(port); 249 250 /* Init RX queues */ 251 ret = rte_eth_rx_queue_setup( 252 port, 253 0, 254 app.port_rx_ring_size, 255 rte_eth_dev_socket_id(port), 256 &rx_conf, 257 app.pool); 258 if (ret < 0) 259 rte_panic("Cannot init RX for port %u (%d)\n", 260 (uint32_t) port, ret); 261 262 /* Init TX queues */ 263 ret = rte_eth_tx_queue_setup( 264 port, 265 0, 266 app.port_tx_ring_size, 267 rte_eth_dev_socket_id(port), 268 &tx_conf); 269 if (ret < 0) 270 rte_panic("Cannot init TX for port %u (%d)\n", 271 (uint32_t) port, ret); 272 273 /* Start port */ 274 ret = rte_eth_dev_start(port); 275 if (ret < 0) 276 rte_panic("Cannot start port %u (%d)\n", port, ret); 277 } 278 279 app_ports_check_link(); 280 } 281 282 void 283 app_init(void) 284 { 285 app_init_mbuf_pools(); 286 app_init_rings(); 287 app_init_ports(); 288 289 RTE_LOG(INFO, USER1, "Initialization completed\n"); 290 } 291