1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2017 Mellanox Technologies, Ltd 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <string.h> 8 #include <stdint.h> 9 #include <inttypes.h> 10 #include <sys/types.h> 11 #include <sys/queue.h> 12 #include <setjmp.h> 13 #include <stdarg.h> 14 #include <ctype.h> 15 #include <errno.h> 16 #include <getopt.h> 17 #include <signal.h> 18 #include <stdbool.h> 19 20 #include <rte_eal.h> 21 #include <rte_common.h> 22 #include <rte_malloc.h> 23 #include <rte_ether.h> 24 #include <rte_ethdev.h> 25 #include <rte_mempool.h> 26 #include <rte_mbuf.h> 27 #include <rte_net.h> 28 #include <rte_flow.h> 29 #include <rte_cycles.h> 30 31 static volatile bool force_quit; 32 33 static uint16_t port_id; 34 static uint16_t nr_queues = 5; 35 static uint8_t selected_queue = 1; 36 struct rte_mempool *mbuf_pool; 37 struct rte_flow *flow; 38 39 #define SRC_IP ((0<<24) + (0<<16) + (0<<8) + 0) /* src ip = 0.0.0.0 */ 40 #define DEST_IP ((192<<24) + (168<<16) + (1<<8) + 1) /* dest ip = 192.168.1.1 */ 41 #define FULL_MASK 0xffffffff /* full mask */ 42 #define EMPTY_MASK 0x0 /* empty mask */ 43 44 #include "flow_blocks.c" 45 46 static inline void 47 print_ether_addr(const char *what, struct rte_ether_addr *eth_addr) 48 { 49 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 50 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 51 printf("%s%s", what, buf); 52 } 53 54 static int 55 main_loop(void) 56 { 57 struct rte_mbuf *mbufs[32]; 58 struct rte_ether_hdr *eth_hdr; 59 struct rte_flow_error error; 60 uint16_t nb_rx; 61 uint16_t i; 62 uint16_t j; 63 int ret; 64 65 while (!force_quit) { 66 for (i = 0; i < nr_queues; i++) { 67 nb_rx = rte_eth_rx_burst(port_id, 68 i, mbufs, 32); 69 if (nb_rx) { 70 for (j = 0; j < nb_rx; j++) { 71 struct rte_mbuf *m = mbufs[j]; 72 73 eth_hdr = rte_pktmbuf_mtod(m, 74 struct rte_ether_hdr *); 75 print_ether_addr("src=", 76 ð_hdr->s_addr); 77 print_ether_addr(" - dst=", 78 ð_hdr->d_addr); 79 printf(" - queue=0x%x", 80 (unsigned int)i); 81 printf("\n"); 82 83 rte_pktmbuf_free(m); 84 } 85 } 86 } 87 } 88 89 /* closing and releasing resources */ 90 rte_flow_flush(port_id, &error); 91 ret = rte_eth_dev_stop(port_id); 92 if (ret < 0) 93 printf("Failed to stop port %u: %s", 94 port_id, rte_strerror(-ret)); 95 rte_eth_dev_close(port_id); 96 return ret; 97 } 98 99 #define CHECK_INTERVAL 1000 /* 100ms */ 100 #define MAX_REPEAT_TIMES 90 /* 9s (90 * 100ms) in total */ 101 102 static void 103 assert_link_status(void) 104 { 105 struct rte_eth_link link; 106 uint8_t rep_cnt = MAX_REPEAT_TIMES; 107 int link_get_err = -EINVAL; 108 109 memset(&link, 0, sizeof(link)); 110 do { 111 link_get_err = rte_eth_link_get(port_id, &link); 112 if (link_get_err == 0 && link.link_status == ETH_LINK_UP) 113 break; 114 rte_delay_ms(CHECK_INTERVAL); 115 } while (--rep_cnt); 116 117 if (link_get_err < 0) 118 rte_exit(EXIT_FAILURE, ":: error: link get is failing: %s\n", 119 rte_strerror(-link_get_err)); 120 if (link.link_status == ETH_LINK_DOWN) 121 rte_exit(EXIT_FAILURE, ":: error: link is still down\n"); 122 } 123 124 static void 125 init_port(void) 126 { 127 int ret; 128 uint16_t i; 129 struct rte_eth_conf port_conf = { 130 .rxmode = { 131 .split_hdr_size = 0, 132 }, 133 .txmode = { 134 .offloads = 135 DEV_TX_OFFLOAD_VLAN_INSERT | 136 DEV_TX_OFFLOAD_IPV4_CKSUM | 137 DEV_TX_OFFLOAD_UDP_CKSUM | 138 DEV_TX_OFFLOAD_TCP_CKSUM | 139 DEV_TX_OFFLOAD_SCTP_CKSUM | 140 DEV_TX_OFFLOAD_TCP_TSO, 141 }, 142 }; 143 struct rte_eth_txconf txq_conf; 144 struct rte_eth_rxconf rxq_conf; 145 struct rte_eth_dev_info dev_info; 146 147 ret = rte_eth_dev_info_get(port_id, &dev_info); 148 if (ret != 0) 149 rte_exit(EXIT_FAILURE, 150 "Error during getting device (port %u) info: %s\n", 151 port_id, strerror(-ret)); 152 153 port_conf.txmode.offloads &= dev_info.tx_offload_capa; 154 printf(":: initializing port: %d\n", port_id); 155 ret = rte_eth_dev_configure(port_id, 156 nr_queues, nr_queues, &port_conf); 157 if (ret < 0) { 158 rte_exit(EXIT_FAILURE, 159 ":: cannot configure device: err=%d, port=%u\n", 160 ret, port_id); 161 } 162 163 rxq_conf = dev_info.default_rxconf; 164 rxq_conf.offloads = port_conf.rxmode.offloads; 165 for (i = 0; i < nr_queues; i++) { 166 ret = rte_eth_rx_queue_setup(port_id, i, 512, 167 rte_eth_dev_socket_id(port_id), 168 &rxq_conf, 169 mbuf_pool); 170 if (ret < 0) { 171 rte_exit(EXIT_FAILURE, 172 ":: Rx queue setup failed: err=%d, port=%u\n", 173 ret, port_id); 174 } 175 } 176 177 txq_conf = dev_info.default_txconf; 178 txq_conf.offloads = port_conf.txmode.offloads; 179 180 for (i = 0; i < nr_queues; i++) { 181 ret = rte_eth_tx_queue_setup(port_id, i, 512, 182 rte_eth_dev_socket_id(port_id), 183 &txq_conf); 184 if (ret < 0) { 185 rte_exit(EXIT_FAILURE, 186 ":: Tx queue setup failed: err=%d, port=%u\n", 187 ret, port_id); 188 } 189 } 190 191 ret = rte_eth_promiscuous_enable(port_id); 192 if (ret != 0) 193 rte_exit(EXIT_FAILURE, 194 ":: promiscuous mode enable failed: err=%s, port=%u\n", 195 rte_strerror(-ret), port_id); 196 197 ret = rte_eth_dev_start(port_id); 198 if (ret < 0) { 199 rte_exit(EXIT_FAILURE, 200 "rte_eth_dev_start:err=%d, port=%u\n", 201 ret, port_id); 202 } 203 204 assert_link_status(); 205 206 printf(":: initializing port: %d done\n", port_id); 207 } 208 209 static void 210 signal_handler(int signum) 211 { 212 if (signum == SIGINT || signum == SIGTERM) { 213 printf("\n\nSignal %d received, preparing to exit...\n", 214 signum); 215 force_quit = true; 216 } 217 } 218 219 int 220 main(int argc, char **argv) 221 { 222 int ret; 223 uint16_t nr_ports; 224 struct rte_flow_error error; 225 226 ret = rte_eal_init(argc, argv); 227 if (ret < 0) 228 rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n"); 229 230 force_quit = false; 231 signal(SIGINT, signal_handler); 232 signal(SIGTERM, signal_handler); 233 234 nr_ports = rte_eth_dev_count_avail(); 235 if (nr_ports == 0) 236 rte_exit(EXIT_FAILURE, ":: no Ethernet ports found\n"); 237 port_id = 0; 238 if (nr_ports != 1) { 239 printf(":: warn: %d ports detected, but we use only one: port %u\n", 240 nr_ports, port_id); 241 } 242 mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0, 243 RTE_MBUF_DEFAULT_BUF_SIZE, 244 rte_socket_id()); 245 if (mbuf_pool == NULL) 246 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 247 248 init_port(); 249 250 /* create flow for send packet with */ 251 flow = generate_ipv4_flow(port_id, selected_queue, 252 SRC_IP, EMPTY_MASK, 253 DEST_IP, FULL_MASK, &error); 254 if (!flow) { 255 printf("Flow can't be created %d message: %s\n", 256 error.type, 257 error.message ? error.message : "(no stated reason)"); 258 rte_exit(EXIT_FAILURE, "error in creating flow"); 259 } 260 261 return main_loop(); 262 } 263