--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <arpa/inet.h>
+#include <errno.h>
+#include <getopt.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <unistd.h>
+
+#include <rte_branch_prediction.h>
+#include <rte_common.h>
+#include <rte_eal.h>
+#include <rte_ethdev.h>
+#include <rte_log.h>
+#include <rte_mempool.h>
+#include <rte_per_lcore.h>
+#include <rte_string_fns.h>
+#include <rte_vect.h>
+
+#include <cmdline_parse.h>
+#include <cmdline_parse_etheraddr.h>
+
+/* Log type */
+#define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1
+
+/*
+ * Configurable number of RX/TX ring descriptors
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
+
+#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
+#define MAX_RX_QUEUE_PER_PORT 128
+
+#define MAX_RX_QUEUE_PER_LCORE 16
+
+#define MAX_LCORE_PARAMS 1024
+
+#define NB_SOCKETS 8
+
+/**< Ports set in promiscuous mode off by default. */
+static int promiscuous_on;
+
+static int numa_on = 1; /**< NUMA is enabled by default. */
+static int per_port_pool; /**< Use separate buffer pools per port; disabled */
+ /**< by default */
+
+static volatile bool force_quit;
+
+/* Ethernet addresses of ports */
+static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+xmm_t val_eth[RTE_MAX_ETHPORTS];
+
+/* Mask of enabled ports */
+static uint32_t enabled_port_mask;
+
+struct lcore_rx_queue {
+ uint16_t port_id;
+ uint8_t queue_id;
+};
+
+/* Lcore conf */
+struct lcore_conf {
+ uint16_t n_rx_queue;
+ struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+} __rte_cache_aligned;
+
+static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+
+struct lcore_params {
+ uint16_t port_id;
+ uint8_t queue_id;
+ uint8_t lcore_id;
+} __rte_cache_aligned;
+
+static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
+static struct lcore_params lcore_params_array_default[] = {
+ {0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2},
+ {1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3},
+};
+
+static struct lcore_params *lcore_params = lcore_params_array_default;
+static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
+
+static struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_RSS,
+ .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
+ .split_hdr_size = 0,
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_key = NULL,
+ .rss_hf = ETH_RSS_IP,
+ },
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ },
+};
+
+static int
+check_lcore_params(void)
+{
+ uint8_t queue, lcore;
+ int socketid;
+ uint16_t i;
+
+ for (i = 0; i < nb_lcore_params; ++i) {
+ queue = lcore_params[i].queue_id;
+ if (queue >= MAX_RX_QUEUE_PER_PORT) {
+ printf("Invalid queue number: %hhu\n", queue);
+ return -1;
+ }
+ lcore = lcore_params[i].lcore_id;
+ if (!rte_lcore_is_enabled(lcore)) {
+ printf("Error: lcore %hhu is not enabled in lcore mask\n",
+ lcore);
+ return -1;
+ }
+
+ if (lcore == rte_get_master_lcore()) {
+ printf("Error: lcore %u is master lcore\n", lcore);
+ return -1;
+ }
+ socketid = rte_lcore_to_socket_id(lcore);
+ if ((socketid != 0) && (numa_on == 0)) {
+ printf("Warning: lcore %hhu is on socket %d with numa off\n",
+ lcore, socketid);
+ }
+ }
+
+ return 0;
+}
+
+static int
+check_port_config(void)
+{
+ uint16_t portid;
+ uint16_t i;
+
+ for (i = 0; i < nb_lcore_params; ++i) {
+ portid = lcore_params[i].port_id;
+ if ((enabled_port_mask & (1 << portid)) == 0) {
+ printf("Port %u is not enabled in port mask\n", portid);
+ return -1;
+ }
+ if (!rte_eth_dev_is_valid_port(portid)) {
+ printf("Port %u is not present on the board\n", portid);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int
+init_lcore_rx_queues(void)
+{
+ uint16_t i, nb_rx_queue;
+ uint8_t lcore;
+
+ for (i = 0; i < nb_lcore_params; ++i) {
+ lcore = lcore_params[i].lcore_id;
+ nb_rx_queue = lcore_conf[lcore].n_rx_queue;
+ if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
+ printf("Error: too many queues (%u) for lcore: %u\n",
+ (unsigned int)nb_rx_queue + 1,
+ (unsigned int)lcore);
+ return -1;
+ }
+
+ lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
+ lcore_params[i].port_id;
+ lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
+ lcore_params[i].queue_id;
+ lcore_conf[lcore].n_rx_queue++;
+ }
+
+ return 0;
+}
+
+/* Display usage */
+static void
+print_usage(const char *prgname)
+{
+ fprintf(stderr,
+ "%s [EAL options] --"
+ " -p PORTMASK"
+ " [-P]"
+ " --config (port,queue,lcore)[,(port,queue,lcore)]"
+ " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
+ " [--enable-jumbo [--max-pkt-len PKTLEN]]"
+ " [--no-numa]"
+ " [--per-port-pool]\n\n"
+
+ " -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
+ " -P : Enable promiscuous mode\n"
+ " --config (port,queue,lcore): Rx queue configuration\n"
+ " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for "
+ "port X\n"
+ " --enable-jumbo: Enable jumbo frames\n"
+ " --max-pkt-len: Under the premise of enabling jumbo,\n"
+ " maximum packet length in decimal (64-9600)\n"
+ " --no-numa: Disable numa awareness\n"
+ " --per-port-pool: Use separate buffer pool per port\n\n",
+ prgname);
+}
+
+static int
+parse_max_pkt_len(const char *pktlen)
+{
+ unsigned long len;
+ char *end = NULL;
+
+ /* Parse decimal string */
+ len = strtoul(pktlen, &end, 10);
+ if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (len == 0)
+ return -1;
+
+ return len;
+}
+
+static int
+parse_portmask(const char *portmask)
+{
+ char *end = NULL;
+ unsigned long pm;
+
+ /* Parse hexadecimal string */
+ pm = strtoul(portmask, &end, 16);
+ if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (pm == 0)
+ return -1;
+
+ return pm;
+}
+
+static int
+parse_config(const char *q_arg)
+{
+ enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
+ unsigned long int_fld[_NUM_FLD];
+ const char *p, *p0 = q_arg;
+ char *str_fld[_NUM_FLD];
+ uint32_t size;
+ char s[256];
+ char *end;
+ int i;
+
+ nb_lcore_params = 0;
+
+ while ((p = strchr(p0, '(')) != NULL) {
+ ++p;
+ p0 = strchr(p, ')');
+ if (p0 == NULL)
+ return -1;
+
+ size = p0 - p;
+ if (size >= sizeof(s))
+ return -1;
+
+ memcpy(s, p, size);
+ s[size] = '\0';
+ if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
+ _NUM_FLD)
+ return -1;
+ for (i = 0; i < _NUM_FLD; i++) {
+ errno = 0;
+ int_fld[i] = strtoul(str_fld[i], &end, 0);
+ if (errno != 0 || end == str_fld[i])
+ return -1;
+ }
+
+ if (nb_lcore_params >= MAX_LCORE_PARAMS) {
+ printf("Exceeded max number of lcore params: %hu\n",
+ nb_lcore_params);
+ return -1;
+ }
+
+ if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
+ int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
+ printf("Invalid port/lcore id\n");
+ return -1;
+ }
+
+ lcore_params_array[nb_lcore_params].port_id =
+ (uint8_t)int_fld[FLD_PORT];
+ lcore_params_array[nb_lcore_params].queue_id =
+ (uint8_t)int_fld[FLD_QUEUE];
+ lcore_params_array[nb_lcore_params].lcore_id =
+ (uint8_t)int_fld[FLD_LCORE];
+ ++nb_lcore_params;
+ }
+ lcore_params = lcore_params_array;
+
+ return 0;
+}
+
+static void
+parse_eth_dest(const char *optarg)
+{
+ uint8_t c, *dest, peer_addr[6];
+ uint16_t portid;
+ char *port_end;
+
+ errno = 0;
+ portid = strtoul(optarg, &port_end, 10);
+ if (errno != 0 || port_end == optarg || *port_end++ != ',')
+ rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
+ if (portid >= RTE_MAX_ETHPORTS)
+ rte_exit(EXIT_FAILURE,
+ "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
+ RTE_MAX_ETHPORTS);
+
+ if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
+ sizeof(peer_addr)) < 0)
+ rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
+ port_end);
+ dest = (uint8_t *)&dest_eth_addr[portid];
+ for (c = 0; c < 6; c++)
+ dest[c] = peer_addr[c];
+ *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+}
+
+#define MAX_JUMBO_PKT_LEN 9600
+#define MEMPOOL_CACHE_SIZE 256
+
+static const char short_options[] = "p:" /* portmask */
+ "P" /* promiscuous */
+ ;
+
+#define CMD_LINE_OPT_CONFIG "config"
+#define CMD_LINE_OPT_ETH_DEST "eth-dest"
+#define CMD_LINE_OPT_NO_NUMA "no-numa"
+#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
+#define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
+enum {
+ /* Long options mapped to a short option */
+
+ /* First long only option value must be >= 256, so that we won't
+ * conflict with short options
+ */
+ CMD_LINE_OPT_MIN_NUM = 256,
+ CMD_LINE_OPT_CONFIG_NUM,
+ CMD_LINE_OPT_ETH_DEST_NUM,
+ CMD_LINE_OPT_NO_NUMA_NUM,
+ CMD_LINE_OPT_ENABLE_JUMBO_NUM,
+ CMD_LINE_OPT_PARSE_PER_PORT_POOL,
+};
+
+static const struct option lgopts[] = {
+ {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
+ {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
+ {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
+ {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
+ {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
+ {NULL, 0, 0, 0},
+};
+
+/*
+ * This expression is used to calculate the number of mbufs needed
+ * depending on user input, taking into account memory for rx and
+ * tx hardware rings, cache per lcore and mtable per port per lcore.
+ * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
+ * value of 8192
+ */
+#define NB_MBUF(nports) \
+ RTE_MAX((nports * nb_rx_queue * nb_rxd + \
+ nports * nb_lcores * RTE_GRAPH_BURST_SIZE + \
+ nports * n_tx_queue * nb_txd + \
+ nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
+
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+ char *prgname = argv[0];
+ int option_index;
+ char **argvopt;
+ int opt, ret;
+
+ argvopt = argv;
+
+ /* Error or normal output strings. */
+ while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
+ &option_index)) != EOF) {
+
+ switch (opt) {
+ /* Portmask */
+ case 'p':
+ enabled_port_mask = parse_portmask(optarg);
+ if (enabled_port_mask == 0) {
+ fprintf(stderr, "Invalid portmask\n");
+ print_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case 'P':
+ promiscuous_on = 1;
+ break;
+
+ /* Long options */
+ case CMD_LINE_OPT_CONFIG_NUM:
+ ret = parse_config(optarg);
+ if (ret) {
+ fprintf(stderr, "Invalid config\n");
+ print_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case CMD_LINE_OPT_ETH_DEST_NUM:
+ parse_eth_dest(optarg);
+ break;
+
+ case CMD_LINE_OPT_NO_NUMA_NUM:
+ numa_on = 0;
+ break;
+
+ case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
+ const struct option lenopts = {"max-pkt-len",
+ required_argument, 0, 0};
+
+ port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
+
+ /*
+ * if no max-pkt-len set, use the default
+ * value RTE_ETHER_MAX_LEN.
+ */
+ if (getopt_long(argc, argvopt, "", &lenopts,
+ &option_index) == 0) {
+ ret = parse_max_pkt_len(optarg);
+ if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
+ fprintf(stderr, "Invalid maximum "
+ "packet length\n");
+ print_usage(prgname);
+ return -1;
+ }
+ port_conf.rxmode.max_rx_pkt_len = ret;
+ }
+ break;
+ }
+
+ case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
+ printf("Per port buffer pool is enabled\n");
+ per_port_pool = 1;
+ break;
+
+ default:
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+ if (optind >= 0)
+ argv[optind - 1] = prgname;
+ ret = optind - 1;
+ optind = 1; /* Reset getopt lib */
+
+ return ret;
+}
+
+static void
+signal_handler(int signum)
+{
+ if (signum == SIGINT || signum == SIGTERM) {
+ printf("\n\nSignal %d received, preparing to exit...\n",
+ signum);
+ force_quit = true;
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ uint16_t portid;
+ int ret;
+
+ /* Init EAL */
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
+ argc -= ret;
+ argv += ret;
+
+ force_quit = false;
+ signal(SIGINT, signal_handler);
+ signal(SIGTERM, signal_handler);
+
+ /* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+ dest_eth_addr[portid] =
+ RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
+ *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+ }
+
+ /* Parse application arguments (after the EAL ones) */
+ ret = parse_args(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
+
+ if (check_lcore_params() < 0)
+ rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
+
+ ret = init_lcore_rx_queues();
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
+
+ if (check_port_config() < 0)
+ rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
+
+ printf("Bye...\n");
+
+ return ret;
+}
git.droids-corp.org / dpdk.git / commitdiff