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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>
59 static volatile bool force_quit;
61 static uint8_t port_id;
62 static uint16_t nr_queues = 5;
63 static uint8_t selected_queue = 1;
64 struct rte_mempool *mbuf_pool;
65 struct rte_flow *flow;
67 #define SRC_IP ((0<<24) + (0<<16) + (0<<8) + 0) /* src ip = 0.0.0.0 */
68 #define DEST_IP ((192<<24) + (168<<16) + (1<<8) + 1) /* dest ip = 192.168.1.1 */
69 #define FULL_MASK 0xffffffff /* full mask */
70 #define EMPTY_MASK 0x0 /* empty mask */
72 #include "flow_blocks.c"
75 print_ether_addr(const char *what, struct ether_addr *eth_addr)
77 char buf[ETHER_ADDR_FMT_SIZE];
78 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
79 printf("%s%s", what, buf);
85 struct rte_mbuf *mbufs[32];
86 struct ether_hdr *eth_hdr;
87 struct rte_flow_error error;
93 for (i = 0; i < nr_queues; i++) {
94 nb_rx = rte_eth_rx_burst(port_id,
97 for (j = 0; j < nb_rx; j++) {
98 struct rte_mbuf *m = mbufs[j];
100 eth_hdr = rte_pktmbuf_mtod(m,
102 print_ether_addr("src=",
104 print_ether_addr(" - dst=",
106 printf(" - queue=0x%x",
116 /* closing and releasing resources */
117 rte_flow_flush(port_id, &error);
118 rte_eth_dev_stop(port_id);
119 rte_eth_dev_close(port_id);
123 assert_link_status(void)
125 struct rte_eth_link link;
127 memset(&link, 0, sizeof(link));
128 rte_eth_link_get(port_id, &link);
129 if (link.link_status == ETH_LINK_DOWN)
130 rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
138 struct rte_eth_conf port_conf = {
141 /**< Header Split disabled */
143 /**< IP checksum offload disabled */
145 /**< VLAN filtering disabled */
147 /**< Jumbo Frame Support disabled */
149 /**< CRC stripped by hardware */
154 DEV_TX_OFFLOAD_VLAN_INSERT |
155 DEV_TX_OFFLOAD_IPV4_CKSUM |
156 DEV_TX_OFFLOAD_UDP_CKSUM |
157 DEV_TX_OFFLOAD_TCP_CKSUM |
158 DEV_TX_OFFLOAD_SCTP_CKSUM |
159 DEV_TX_OFFLOAD_TCP_TSO,
162 struct rte_eth_txconf txq_conf;
163 struct rte_eth_dev_info dev_info;
165 printf(":: initializing port: %d\n", port_id);
166 ret = rte_eth_dev_configure(port_id,
167 nr_queues, nr_queues, &port_conf);
169 rte_exit(EXIT_FAILURE,
170 ":: cannot configure device: err=%d, port=%u\n",
174 /* only set Rx queues: something we care only so far */
175 for (i = 0; i < nr_queues; i++) {
176 ret = rte_eth_rx_queue_setup(port_id, i, 512,
177 rte_eth_dev_socket_id(port_id),
181 rte_exit(EXIT_FAILURE,
182 ":: Rx queue setup failed: err=%d, port=%u\n",
187 rte_eth_dev_info_get(port_id, &dev_info);
188 txq_conf = dev_info.default_txconf;
189 txq_conf.offloads = port_conf.txmode.offloads;
191 for (i = 0; i < nr_queues; i++) {
192 ret = rte_eth_tx_queue_setup(port_id, i, 512,
193 rte_eth_dev_socket_id(port_id),
196 rte_exit(EXIT_FAILURE,
197 ":: Tx queue setup failed: err=%d, port=%u\n",
202 rte_eth_promiscuous_enable(port_id);
203 ret = rte_eth_dev_start(port_id);
205 rte_exit(EXIT_FAILURE,
206 "rte_eth_dev_start:err=%d, port=%u\n",
210 assert_link_status();
212 printf(":: initializing port: %d done\n", port_id);
216 signal_handler(int signum)
218 if (signum == SIGINT || signum == SIGTERM) {
219 printf("\n\nSignal %d received, preparing to exit...\n",
226 main(int argc, char **argv)
230 struct rte_flow_error error;
232 ret = rte_eal_init(argc, argv);
234 rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n");
237 signal(SIGINT, signal_handler);
238 signal(SIGTERM, signal_handler);
240 nr_ports = rte_eth_dev_count();
242 rte_exit(EXIT_FAILURE, ":: no Ethernet ports found\n");
245 printf(":: warn: %d ports detected, but we use only one: port %u\n",
248 mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0,
249 RTE_MBUF_DEFAULT_BUF_SIZE,
251 if (mbuf_pool == NULL)
252 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
256 /* create flow for send packet with */
257 flow = generate_ipv4_flow(port_id, selected_queue,
259 DEST_IP, FULL_MASK, &error);
261 printf("Flow can't be created %d message: %s\n",
263 error.message ? error.message : "(no stated reason)");
264 rte_exit(EXIT_FAILURE, "error in creating flow");