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