1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
8 #include <rte_common.h>
10 #include <rte_malloc.h>
11 #include <rte_mempool.h>
12 #include <rte_ethdev.h>
13 #include <rte_cycles.h>
15 #include <rte_meter.h>
17 /* Traffic metering configuration. 8< */
18 #define APP_MODE_FWD 0
19 #define APP_MODE_SRTCM_COLOR_BLIND 1
20 #define APP_MODE_SRTCM_COLOR_AWARE 2
21 #define APP_MODE_TRTCM_COLOR_BLIND 3
22 #define APP_MODE_TRTCM_COLOR_AWARE 4
24 #define APP_MODE APP_MODE_SRTCM_COLOR_BLIND
25 /* >8 End of traffic metering configuration. */
31 #define APP_PKT_FLOW_POS 33
32 #define APP_PKT_COLOR_POS 5
35 #if APP_PKT_FLOW_POS > 64 || APP_PKT_COLOR_POS > 64
36 #error Byte offset needs to be less than 64
40 * Buffer pool configuration
44 #define MEMPOOL_CACHE_SIZE 256
46 static struct rte_mempool *pool = NULL;
52 static struct rte_eth_conf port_conf = {
54 .mq_mode = ETH_MQ_RX_RSS,
55 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
57 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
66 .mq_mode = ETH_DCB_NONE,
70 #define NIC_RX_QUEUE_DESC 1024
71 #define NIC_TX_QUEUE_DESC 1024
73 #define NIC_RX_QUEUE 0
74 #define NIC_TX_QUEUE 0
80 #define PKT_RX_BURST_MAX 32
81 #define PKT_TX_BURST_MAX 32
82 #define TIME_TX_DRAIN 200000ULL
84 static uint16_t port_rx;
85 static uint16_t port_tx;
86 static struct rte_mbuf *pkts_rx[PKT_RX_BURST_MAX];
87 struct rte_eth_dev_tx_buffer *tx_buffer;
89 /* Traffic meter parameters are configured in the application. 8< */
90 struct rte_meter_srtcm_params app_srtcm_params = {
96 struct rte_meter_srtcm_profile app_srtcm_profile;
98 struct rte_meter_trtcm_params app_trtcm_params = {
104 /* >8 End of traffic meter parameters are configured in the application. */
106 struct rte_meter_trtcm_profile app_trtcm_profile;
108 #define APP_FLOWS_MAX 256
110 FLOW_METER app_flows[APP_FLOWS_MAX];
113 app_configure_flow_table(void)
118 ret = rte_meter_srtcm_profile_config(&app_srtcm_profile,
123 ret = rte_meter_trtcm_profile_config(&app_trtcm_profile,
128 for (i = 0; i < APP_FLOWS_MAX; i++) {
129 ret = FUNC_CONFIG(&app_flows[i], &PROFILE);
138 app_set_pkt_color(uint8_t *pkt_data, enum policer_action color)
140 pkt_data[APP_PKT_COLOR_POS] = (uint8_t)color;
144 app_pkt_handle(struct rte_mbuf *pkt, uint64_t time)
146 uint8_t input_color, output_color;
147 uint8_t *pkt_data = rte_pktmbuf_mtod(pkt, uint8_t *);
148 uint32_t pkt_len = rte_pktmbuf_pkt_len(pkt) -
149 sizeof(struct rte_ether_hdr);
150 uint8_t flow_id = (uint8_t)(pkt_data[APP_PKT_FLOW_POS] & (APP_FLOWS_MAX - 1));
151 input_color = pkt_data[APP_PKT_COLOR_POS];
152 enum policer_action action;
154 /* color input is not used for blind modes */
155 output_color = (uint8_t) FUNC_METER(&app_flows[flow_id],
159 (enum rte_color) input_color);
161 /* Apply policing and set the output color */
162 action = policer_table[input_color][output_color];
163 app_set_pkt_color(pkt_data, action);
169 static __rte_noreturn int
170 main_loop(__rte_unused void *dummy)
172 uint64_t current_time, last_time = rte_rdtsc();
173 uint32_t lcore_id = rte_lcore_id();
175 printf("Core %u: port RX = %d, port TX = %d\n", lcore_id, port_rx, port_tx);
181 /* Mechanism to avoid stale packets in the output buffer */
182 current_time = rte_rdtsc();
183 time_diff = current_time - last_time;
184 if (unlikely(time_diff > TIME_TX_DRAIN)) {
185 /* Flush tx buffer */
186 rte_eth_tx_buffer_flush(port_tx, NIC_TX_QUEUE, tx_buffer);
187 last_time = current_time;
190 /* Read packet burst from NIC RX */
191 nb_rx = rte_eth_rx_burst(port_rx, NIC_RX_QUEUE, pkts_rx, PKT_RX_BURST_MAX);
194 for (i = 0; i < nb_rx; i ++) {
195 struct rte_mbuf *pkt = pkts_rx[i];
197 /* Handle current packet */
198 if (app_pkt_handle(pkt, current_time) == DROP)
199 rte_pktmbuf_free(pkt);
201 rte_eth_tx_buffer(port_tx, NIC_TX_QUEUE, tx_buffer, pkt);
207 print_usage(const char *prgname)
209 printf ("%s [EAL options] -- -p PORTMASK\n"
210 " -p PORTMASK: hexadecimal bitmask of ports to configure\n",
215 parse_portmask(const char *portmask)
220 /* parse hexadecimal string */
221 pm = strtoul(portmask, &end, 16);
222 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
228 /* Parse the argument given in the command line of the application */
230 parse_args(int argc, char **argv)
235 char *prgname = argv[0];
236 static struct option lgopts[] = {
239 uint64_t port_mask, i, mask;
243 while ((opt = getopt_long(argc, argvopt, "p:", lgopts, &option_index)) != EOF) {
246 port_mask = parse_portmask(optarg);
247 if (port_mask == 0) {
248 printf("invalid port mask (null port mask)\n");
249 print_usage(prgname);
253 for (i = 0, mask = 1; i < 64; i ++, mask <<= 1){
254 if (mask & port_mask){
261 for (i = 0, mask = 1; i < 64; i ++, mask <<= 1){
262 if (mask & port_mask){
269 if (port_mask != 0) {
270 printf("invalid port mask (more than 2 ports)\n");
271 print_usage(prgname);
277 print_usage(prgname);
283 print_usage(prgname);
287 argv[optind-1] = prgname;
289 optind = 1; /* reset getopt lib */
294 main(int argc, char **argv)
297 uint16_t nb_rxd = NIC_RX_QUEUE_DESC;
298 uint16_t nb_txd = NIC_TX_QUEUE_DESC;
299 struct rte_eth_conf conf;
300 struct rte_eth_rxconf rxq_conf;
301 struct rte_eth_txconf txq_conf;
302 struct rte_eth_dev_info dev_info;
306 ret = rte_eal_init(argc, argv);
308 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
311 if (rte_lcore_count() != 1) {
312 rte_exit(EXIT_FAILURE, "This application does not accept more than one core. "
313 "Please adjust the \"-c COREMASK\" parameter accordingly.\n");
316 /* Application non-EAL arguments parse */
317 ret = parse_args(argc, argv);
319 rte_exit(EXIT_FAILURE, "Invalid input arguments\n");
321 /* Buffer pool init */
322 pool = rte_pktmbuf_pool_create("pool", NB_MBUF, MEMPOOL_CACHE_SIZE,
323 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
325 rte_exit(EXIT_FAILURE, "Buffer pool creation error\n");
330 ret = rte_eth_dev_info_get(port_rx, &dev_info);
332 rte_exit(EXIT_FAILURE,
333 "Error during getting device (port %u) info: %s\n",
334 port_rx, strerror(-ret));
336 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
337 conf.txmode.offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
339 conf.rx_adv_conf.rss_conf.rss_hf &= dev_info.flow_type_rss_offloads;
340 if (conf.rx_adv_conf.rss_conf.rss_hf !=
341 port_conf.rx_adv_conf.rss_conf.rss_hf) {
342 printf("Port %u modified RSS hash function based on hardware support,"
343 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
345 port_conf.rx_adv_conf.rss_conf.rss_hf,
346 conf.rx_adv_conf.rss_conf.rss_hf);
349 ret = rte_eth_dev_configure(port_rx, 1, 1, &conf);
351 rte_exit(EXIT_FAILURE, "Port %d configuration error (%d)\n", port_rx, ret);
353 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_rx, &nb_rxd, &nb_txd);
355 rte_exit(EXIT_FAILURE, "Port %d adjust number of descriptors error (%d)\n",
358 rxq_conf = dev_info.default_rxconf;
359 rxq_conf.offloads = conf.rxmode.offloads;
360 ret = rte_eth_rx_queue_setup(port_rx, NIC_RX_QUEUE, nb_rxd,
361 rte_eth_dev_socket_id(port_rx),
364 rte_exit(EXIT_FAILURE, "Port %d RX queue setup error (%d)\n", port_rx, ret);
366 txq_conf = dev_info.default_txconf;
367 txq_conf.offloads = conf.txmode.offloads;
368 ret = rte_eth_tx_queue_setup(port_rx, NIC_TX_QUEUE, nb_txd,
369 rte_eth_dev_socket_id(port_rx),
372 rte_exit(EXIT_FAILURE, "Port %d TX queue setup error (%d)\n", port_rx, ret);
376 ret = rte_eth_dev_info_get(port_tx, &dev_info);
378 rte_exit(EXIT_FAILURE,
379 "Error during getting device (port %u) info: %s\n",
380 port_tx, strerror(-ret));
382 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
383 conf.txmode.offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
385 conf.rx_adv_conf.rss_conf.rss_hf &= dev_info.flow_type_rss_offloads;
386 if (conf.rx_adv_conf.rss_conf.rss_hf !=
387 port_conf.rx_adv_conf.rss_conf.rss_hf) {
388 printf("Port %u modified RSS hash function based on hardware support,"
389 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
391 port_conf.rx_adv_conf.rss_conf.rss_hf,
392 conf.rx_adv_conf.rss_conf.rss_hf);
395 ret = rte_eth_dev_configure(port_tx, 1, 1, &conf);
397 rte_exit(EXIT_FAILURE, "Port %d configuration error (%d)\n", port_tx, ret);
399 nb_rxd = NIC_RX_QUEUE_DESC;
400 nb_txd = NIC_TX_QUEUE_DESC;
401 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_tx, &nb_rxd, &nb_txd);
403 rte_exit(EXIT_FAILURE, "Port %d adjust number of descriptors error (%d)\n",
406 rxq_conf = dev_info.default_rxconf;
407 rxq_conf.offloads = conf.rxmode.offloads;
408 ret = rte_eth_rx_queue_setup(port_tx, NIC_RX_QUEUE, nb_rxd,
409 rte_eth_dev_socket_id(port_tx),
412 rte_exit(EXIT_FAILURE, "Port %d RX queue setup error (%d)\n", port_tx, ret);
414 txq_conf = dev_info.default_txconf;
415 txq_conf.offloads = conf.txmode.offloads;
416 ret = rte_eth_tx_queue_setup(port_tx, NIC_TX_QUEUE, nb_txd,
417 rte_eth_dev_socket_id(port_tx),
420 rte_exit(EXIT_FAILURE, "Port %d TX queue setup error (%d)\n", port_tx, ret);
422 tx_buffer = rte_zmalloc_socket("tx_buffer",
423 RTE_ETH_TX_BUFFER_SIZE(PKT_TX_BURST_MAX), 0,
424 rte_eth_dev_socket_id(port_tx));
425 if (tx_buffer == NULL)
426 rte_exit(EXIT_FAILURE, "Port %d TX buffer allocation error\n",
429 rte_eth_tx_buffer_init(tx_buffer, PKT_TX_BURST_MAX);
431 ret = rte_eth_dev_start(port_rx);
433 rte_exit(EXIT_FAILURE, "Port %d start error (%d)\n", port_rx, ret);
435 ret = rte_eth_dev_start(port_tx);
437 rte_exit(EXIT_FAILURE, "Port %d start error (%d)\n", port_tx, ret);
439 ret = rte_eth_promiscuous_enable(port_rx);
441 rte_exit(EXIT_FAILURE,
442 "Port %d promiscuous mode enable error (%s)\n",
443 port_rx, rte_strerror(-ret));
445 ret = rte_eth_promiscuous_enable(port_tx);
447 rte_exit(EXIT_FAILURE,
448 "Port %d promiscuous mode enable error (%s)\n",
449 port_rx, rte_strerror(-ret));
451 /* App configuration */
452 ret = app_configure_flow_table();
454 rte_exit(EXIT_FAILURE, "Invalid configure flow table\n");
456 /* Launch per-lcore init on every lcore */
457 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MAIN);
458 RTE_LCORE_FOREACH_WORKER(lcore_id) {
459 if (rte_eal_wait_lcore(lcore_id) < 0)
463 /* clean up the EAL */