1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017 Mellanox Technologies, Ltd
10 #include <sys/types.h>
11 #include <sys/queue.h>
12 #include <netinet/in.h>
22 #include <rte_common.h>
23 #include <rte_malloc.h>
24 #include <rte_ether.h>
25 #include <rte_ethdev.h>
26 #include <rte_mempool.h>
30 #include <rte_cycles.h>
32 static volatile bool force_quit;
34 static uint16_t port_id;
35 static uint16_t nr_queues = 5;
36 static uint8_t selected_queue = 1;
37 struct rte_mempool *mbuf_pool;
38 struct rte_flow *flow;
40 #define SRC_IP ((0<<24) + (0<<16) + (0<<8) + 0) /* src ip = 0.0.0.0 */
41 #define DEST_IP ((192<<24) + (168<<16) + (1<<8) + 1) /* dest ip = 192.168.1.1 */
42 #define FULL_MASK 0xffffffff /* full mask */
43 #define EMPTY_MASK 0x0 /* empty mask */
45 #include "flow_blocks.c"
48 print_ether_addr(const char *what, struct ether_addr *eth_addr)
50 char buf[ETHER_ADDR_FMT_SIZE];
51 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
52 printf("%s%s", what, buf);
58 struct rte_mbuf *mbufs[32];
59 struct ether_hdr *eth_hdr;
60 struct rte_flow_error error;
66 for (i = 0; i < nr_queues; i++) {
67 nb_rx = rte_eth_rx_burst(port_id,
70 for (j = 0; j < nb_rx; j++) {
71 struct rte_mbuf *m = mbufs[j];
73 eth_hdr = rte_pktmbuf_mtod(m,
75 print_ether_addr("src=",
77 print_ether_addr(" - dst=",
79 printf(" - queue=0x%x",
89 /* closing and releasing resources */
90 rte_flow_flush(port_id, &error);
91 rte_eth_dev_stop(port_id);
92 rte_eth_dev_close(port_id);
95 #define CHECK_INTERVAL 1000 /* 100ms */
96 #define MAX_REPEAT_TIMES 90 /* 9s (90 * 100ms) in total */
99 assert_link_status(void)
101 struct rte_eth_link link;
102 uint8_t rep_cnt = MAX_REPEAT_TIMES;
104 memset(&link, 0, sizeof(link));
106 rte_eth_link_get(port_id, &link);
107 if (link.link_status == ETH_LINK_UP)
109 rte_delay_ms(CHECK_INTERVAL);
112 if (link.link_status == ETH_LINK_DOWN)
113 rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
121 struct rte_eth_conf port_conf = {
127 DEV_TX_OFFLOAD_VLAN_INSERT |
128 DEV_TX_OFFLOAD_IPV4_CKSUM |
129 DEV_TX_OFFLOAD_UDP_CKSUM |
130 DEV_TX_OFFLOAD_TCP_CKSUM |
131 DEV_TX_OFFLOAD_SCTP_CKSUM |
132 DEV_TX_OFFLOAD_TCP_TSO,
135 * Initialize fdir_conf of rte_eth_conf.
136 * Fdir is used in flow filtering for I40e,
137 * so rte_flow rules involve some fdir
138 * configurations. In long term it's better
139 * that drivers don't require any fdir
140 * configuration for rte_flow, but we need to
141 * get this workaround so that sample app can
145 .mode = RTE_FDIR_MODE_PERFECT,
146 .pballoc = RTE_FDIR_PBALLOC_64K,
147 .status = RTE_FDIR_REPORT_STATUS,
151 struct rte_eth_txconf txq_conf;
152 struct rte_eth_rxconf rxq_conf;
153 struct rte_eth_dev_info dev_info;
155 printf(":: initializing port: %d\n", port_id);
156 ret = rte_eth_dev_configure(port_id,
157 nr_queues, nr_queues, &port_conf);
159 rte_exit(EXIT_FAILURE,
160 ":: cannot configure device: err=%d, port=%u\n",
164 rte_eth_dev_info_get(port_id, &dev_info);
165 rxq_conf = dev_info.default_rxconf;
166 rxq_conf.offloads = port_conf.rxmode.offloads;
167 /* only set Rx queues: something we care only so far */
168 for (i = 0; i < nr_queues; i++) {
169 ret = rte_eth_rx_queue_setup(port_id, i, 512,
170 rte_eth_dev_socket_id(port_id),
174 rte_exit(EXIT_FAILURE,
175 ":: Rx queue setup failed: err=%d, port=%u\n",
180 txq_conf = dev_info.default_txconf;
181 txq_conf.offloads = port_conf.txmode.offloads;
183 for (i = 0; i < nr_queues; i++) {
184 ret = rte_eth_tx_queue_setup(port_id, i, 512,
185 rte_eth_dev_socket_id(port_id),
188 rte_exit(EXIT_FAILURE,
189 ":: Tx queue setup failed: err=%d, port=%u\n",
194 rte_eth_promiscuous_enable(port_id);
195 ret = rte_eth_dev_start(port_id);
197 rte_exit(EXIT_FAILURE,
198 "rte_eth_dev_start:err=%d, port=%u\n",
202 assert_link_status();
204 printf(":: initializing port: %d done\n", port_id);
208 signal_handler(int signum)
210 if (signum == SIGINT || signum == SIGTERM) {
211 printf("\n\nSignal %d received, preparing to exit...\n",
218 main(int argc, char **argv)
222 struct rte_flow_error error;
224 ret = rte_eal_init(argc, argv);
226 rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n");
229 signal(SIGINT, signal_handler);
230 signal(SIGTERM, signal_handler);
232 nr_ports = rte_eth_dev_count_avail();
234 rte_exit(EXIT_FAILURE, ":: no Ethernet ports found\n");
237 printf(":: warn: %d ports detected, but we use only one: port %u\n",
240 mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0,
241 RTE_MBUF_DEFAULT_BUF_SIZE,
243 if (mbuf_pool == NULL)
244 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
248 /* create flow for send packet with */
249 flow = generate_ipv4_flow(port_id, selected_queue,
251 DEST_IP, FULL_MASK, &error);
253 printf("Flow can't be created %d message: %s\n",
255 error.message ? error.message : "(no stated reason)");
256 rte_exit(EXIT_FAILURE, "error in creating flow");