1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <stdint.h> 8 #include <inttypes.h> 9 #include <sys/types.h> 10 #include <string.h> 11 #include <sys/queue.h> 12 #include <stdarg.h> 13 #include <errno.h> 14 #include <getopt.h> 15 16 #include <rte_common.h> 17 #include <rte_byteorder.h> 18 #include <rte_log.h> 19 #include <rte_memory.h> 20 #include <rte_memcpy.h> 21 #include <rte_eal.h> 22 #include <rte_per_lcore.h> 23 #include <rte_launch.h> 24 #include <rte_atomic.h> 25 #include <rte_cycles.h> 26 #include <rte_prefetch.h> 27 #include <rte_lcore.h> 28 #include <rte_branch_prediction.h> 29 #include <rte_interrupts.h> 30 #include <rte_pci.h> 31 #include <rte_random.h> 32 #include <rte_debug.h> 33 #include <rte_ether.h> 34 #include <rte_ethdev.h> 35 #include <rte_ring.h> 36 #include <rte_mempool.h> 37 #include <rte_mbuf.h> 38 #include <rte_string_fns.h> 39 #include <rte_ip.h> 40 #include <rte_tcp.h> 41 #include <rte_lpm.h> 42 #include <rte_lpm6.h> 43 44 #include "main.h" 45 46 struct app_params app = { 47 /* Ports*/ 48 .n_ports = APP_MAX_PORTS, 49 .port_rx_ring_size = 128, 50 .port_tx_ring_size = 512, 51 52 /* Rings */ 53 .ring_rx_size = 128, 54 .ring_tx_size = 128, 55 56 /* Buffer pool */ 57 .pool_buffer_size = 2048 + RTE_PKTMBUF_HEADROOM, 58 .pool_size = 32 * 1024, 59 .pool_cache_size = 256, 60 61 /* Burst sizes */ 62 .burst_size_rx_read = 64, 63 .burst_size_rx_write = 64, 64 .burst_size_worker_read = 64, 65 .burst_size_worker_write = 64, 66 .burst_size_tx_read = 64, 67 .burst_size_tx_write = 64, 68 }; 69 70 static struct rte_eth_conf port_conf = { 71 .rxmode = { 72 .split_hdr_size = 0, 73 .offloads = DEV_RX_OFFLOAD_CHECKSUM, 74 }, 75 .rx_adv_conf = { 76 .rss_conf = { 77 .rss_key = NULL, 78 .rss_hf = ETH_RSS_IP, 79 }, 80 }, 81 .txmode = { 82 .mq_mode = ETH_MQ_TX_NONE, 83 }, 84 }; 85 86 static struct rte_eth_rxconf rx_conf = { 87 .rx_thresh = { 88 .pthresh = 8, 89 .hthresh = 8, 90 .wthresh = 4, 91 }, 92 .rx_free_thresh = 64, 93 .rx_drop_en = 0, 94 }; 95 96 static struct rte_eth_txconf tx_conf = { 97 .tx_thresh = { 98 .pthresh = 36, 99 .hthresh = 0, 100 .wthresh = 0, 101 }, 102 .tx_free_thresh = 0, 103 .tx_rs_thresh = 0, 104 }; 105 106 static void 107 app_init_mbuf_pools(void) 108 { 109 /* Init the buffer pool */ 110 RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n"); 111 app.pool = rte_pktmbuf_pool_create("mempool", app.pool_size, 112 app.pool_cache_size, 0, app.pool_buffer_size, rte_socket_id()); 113 if (app.pool == NULL) 114 rte_panic("Cannot create mbuf pool\n"); 115 } 116 117 static void 118 app_init_rings(void) 119 { 120 uint32_t i; 121 122 for (i = 0; i < app.n_ports; i++) { 123 char name[32]; 124 125 snprintf(name, sizeof(name), "app_ring_rx_%u", i); 126 127 app.rings_rx[i] = rte_ring_create( 128 name, 129 app.ring_rx_size, 130 rte_socket_id(), 131 RING_F_SP_ENQ | RING_F_SC_DEQ); 132 133 if (app.rings_rx[i] == NULL) 134 rte_panic("Cannot create RX ring %u\n", i); 135 } 136 137 for (i = 0; i < app.n_ports; i++) { 138 char name[32]; 139 140 snprintf(name, sizeof(name), "app_ring_tx_%u", i); 141 142 app.rings_tx[i] = rte_ring_create( 143 name, 144 app.ring_tx_size, 145 rte_socket_id(), 146 RING_F_SP_ENQ | RING_F_SC_DEQ); 147 148 if (app.rings_tx[i] == NULL) 149 rte_panic("Cannot create TX ring %u\n", i); 150 } 151 152 } 153 154 static void 155 app_ports_check_link(void) 156 { 157 uint32_t all_ports_up, i; 158 159 all_ports_up = 1; 160 161 for (i = 0; i < app.n_ports; i++) { 162 struct rte_eth_link link; 163 uint16_t port; 164 165 port = app.ports[i]; 166 memset(&link, 0, sizeof(link)); 167 rte_eth_link_get_nowait(port, &link); 168 RTE_LOG(INFO, USER1, "Port %u (%u Gbps) %s\n", 169 port, 170 link.link_speed / 1000, 171 link.link_status ? "UP" : "DOWN"); 172 173 if (link.link_status == ETH_LINK_DOWN) 174 all_ports_up = 0; 175 } 176 177 if (all_ports_up == 0) 178 rte_panic("Some NIC ports are DOWN\n"); 179 } 180 181 static void 182 app_init_ports(void) 183 { 184 uint32_t i; 185 186 /* Init NIC ports, then start the ports */ 187 for (i = 0; i < app.n_ports; i++) { 188 uint16_t port; 189 int ret; 190 191 port = app.ports[i]; 192 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port); 193 194 /* Init port */ 195 ret = rte_eth_dev_configure( 196 port, 197 1, 198 1, 199 &port_conf); 200 if (ret < 0) 201 rte_panic("Cannot init NIC port %u (%d)\n", port, ret); 202 203 rte_eth_promiscuous_enable(port); 204 205 /* Init RX queues */ 206 ret = rte_eth_rx_queue_setup( 207 port, 208 0, 209 app.port_rx_ring_size, 210 rte_eth_dev_socket_id(port), 211 &rx_conf, 212 app.pool); 213 if (ret < 0) 214 rte_panic("Cannot init RX for port %u (%d)\n", 215 (uint32_t) port, ret); 216 217 /* Init TX queues */ 218 ret = rte_eth_tx_queue_setup( 219 port, 220 0, 221 app.port_tx_ring_size, 222 rte_eth_dev_socket_id(port), 223 &tx_conf); 224 if (ret < 0) 225 rte_panic("Cannot init TX for port %u (%d)\n", 226 (uint32_t) port, ret); 227 228 /* Start port */ 229 ret = rte_eth_dev_start(port); 230 if (ret < 0) 231 rte_panic("Cannot start port %u (%d)\n", port, ret); 232 } 233 234 app_ports_check_link(); 235 } 236 237 void 238 app_init(void) 239 { 240 app_init_mbuf_pools(); 241 app_init_rings(); 242 app_init_ports(); 243 244 RTE_LOG(INFO, USER1, "Initialization completed\n"); 245 } 246