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38 #include <sys/types.h>
39 #include <sys/queue.h>
40 #include <netinet/in.h>
50 #include <rte_common.h>
51 #include <rte_malloc.h>
52 #include <rte_ether.h>
53 #include <rte_ethdev.h>
54 #include <rte_mempool.h>
58 #include <rte_cycles.h>
60 static volatile bool force_quit;
62 static uint16_t port_id;
63 static uint16_t nr_queues = 5;
64 static uint8_t selected_queue = 1;
65 struct rte_mempool *mbuf_pool;
66 struct rte_flow *flow;
68 #define SRC_IP ((0<<24) + (0<<16) + (0<<8) + 0) /* src ip = 0.0.0.0 */
69 #define DEST_IP ((192<<24) + (168<<16) + (1<<8) + 1) /* dest ip = 192.168.1.1 */
70 #define FULL_MASK 0xffffffff /* full mask */
71 #define EMPTY_MASK 0x0 /* empty mask */
73 #include "flow_blocks.c"
76 print_ether_addr(const char *what, struct ether_addr *eth_addr)
78 char buf[ETHER_ADDR_FMT_SIZE];
79 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
80 printf("%s%s", what, buf);
86 struct rte_mbuf *mbufs[32];
87 struct ether_hdr *eth_hdr;
88 struct rte_flow_error error;
94 for (i = 0; i < nr_queues; i++) {
95 nb_rx = rte_eth_rx_burst(port_id,
98 for (j = 0; j < nb_rx; j++) {
99 struct rte_mbuf *m = mbufs[j];
101 eth_hdr = rte_pktmbuf_mtod(m,
103 print_ether_addr("src=",
105 print_ether_addr(" - dst=",
107 printf(" - queue=0x%x",
117 /* closing and releasing resources */
118 rte_flow_flush(port_id, &error);
119 rte_eth_dev_stop(port_id);
120 rte_eth_dev_close(port_id);
123 #define CHECK_INTERVAL 1000 /* 100ms */
124 #define MAX_REPEAT_TIMES 90 /* 9s (90 * 100ms) in total */
127 assert_link_status(void)
129 struct rte_eth_link link;
130 uint8_t rep_cnt = MAX_REPEAT_TIMES;
132 memset(&link, 0, sizeof(link));
134 rte_eth_link_get(port_id, &link);
135 if (link.link_status == ETH_LINK_UP)
137 rte_delay_ms(CHECK_INTERVAL);
140 if (link.link_status == ETH_LINK_DOWN)
141 rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
149 struct rte_eth_conf port_conf = {
152 .ignore_offload_bitfield = 1,
153 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
157 DEV_TX_OFFLOAD_VLAN_INSERT |
158 DEV_TX_OFFLOAD_IPV4_CKSUM |
159 DEV_TX_OFFLOAD_UDP_CKSUM |
160 DEV_TX_OFFLOAD_TCP_CKSUM |
161 DEV_TX_OFFLOAD_SCTP_CKSUM |
162 DEV_TX_OFFLOAD_TCP_TSO,
165 struct rte_eth_txconf txq_conf;
166 struct rte_eth_rxconf rxq_conf;
167 struct rte_eth_dev_info dev_info;
169 printf(":: initializing port: %d\n", port_id);
170 ret = rte_eth_dev_configure(port_id,
171 nr_queues, nr_queues, &port_conf);
173 rte_exit(EXIT_FAILURE,
174 ":: cannot configure device: err=%d, port=%u\n",
178 rte_eth_dev_info_get(port_id, &dev_info);
179 rxq_conf = dev_info.default_rxconf;
180 rxq_conf.offloads = port_conf.rxmode.offloads;
181 /* only set Rx queues: something we care only so far */
182 for (i = 0; i < nr_queues; i++) {
183 ret = rte_eth_rx_queue_setup(port_id, i, 512,
184 rte_eth_dev_socket_id(port_id),
188 rte_exit(EXIT_FAILURE,
189 ":: Rx queue setup failed: err=%d, port=%u\n",
194 txq_conf = dev_info.default_txconf;
195 txq_conf.offloads = port_conf.txmode.offloads;
197 for (i = 0; i < nr_queues; i++) {
198 ret = rte_eth_tx_queue_setup(port_id, i, 512,
199 rte_eth_dev_socket_id(port_id),
202 rte_exit(EXIT_FAILURE,
203 ":: Tx queue setup failed: err=%d, port=%u\n",
208 rte_eth_promiscuous_enable(port_id);
209 ret = rte_eth_dev_start(port_id);
211 rte_exit(EXIT_FAILURE,
212 "rte_eth_dev_start:err=%d, port=%u\n",
216 assert_link_status();
218 printf(":: initializing port: %d done\n", port_id);
222 signal_handler(int signum)
224 if (signum == SIGINT || signum == SIGTERM) {
225 printf("\n\nSignal %d received, preparing to exit...\n",
232 main(int argc, char **argv)
236 struct rte_flow_error error;
238 ret = rte_eal_init(argc, argv);
240 rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n");
243 signal(SIGINT, signal_handler);
244 signal(SIGTERM, signal_handler);
246 nr_ports = rte_eth_dev_count_avail();
248 rte_exit(EXIT_FAILURE, ":: no Ethernet ports found\n");
251 printf(":: warn: %d ports detected, but we use only one: port %u\n",
254 mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0,
255 RTE_MBUF_DEFAULT_BUF_SIZE,
257 if (mbuf_pool == NULL)
258 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
262 /* create flow for send packet with */
263 flow = generate_ipv4_flow(port_id, selected_queue,
265 DEST_IP, FULL_MASK, &error);
267 printf("Flow can't be created %d message: %s\n",
269 error.message ? error.message : "(no stated reason)");
270 rte_exit(EXIT_FAILURE, "error in creating flow");