--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <stdint.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <unistd.h>
+
+#include <rte_malloc.h>
+#include <rte_ethdev.h>
+#include <rte_rawdev.h>
+#include <rte_ioat_rawdev.h>
+
+/* size of ring used for software copying between rx and tx. */
+#define RTE_LOGTYPE_IOAT RTE_LOGTYPE_USER1
+#define MAX_PKT_BURST 32
+#define MEMPOOL_CACHE_SIZE 512
+#define MIN_POOL_SIZE 65536U
+#define CMD_LINE_OPT_MAC_UPDATING "mac-updating"
+#define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
+#define CMD_LINE_OPT_PORTMASK "portmask"
+#define CMD_LINE_OPT_NB_QUEUE "nb-queue"
+#define CMD_LINE_OPT_COPY_TYPE "copy-type"
+#define CMD_LINE_OPT_RING_SIZE "ring-size"
+
+/* configurable number of RX/TX ring descriptors */
+#define RX_DEFAULT_RINGSIZE 1024
+#define TX_DEFAULT_RINGSIZE 1024
+
+/* max number of RX queues per port */
+#define MAX_RX_QUEUES_COUNT 8
+
+struct rxtx_port_config {
+ /* common config */
+ uint16_t rxtx_port;
+ uint16_t nb_queues;
+ /* for software copy mode */
+ struct rte_ring *rx_to_tx_ring;
+ /* for IOAT rawdev copy mode */
+ uint16_t ioat_ids[MAX_RX_QUEUES_COUNT];
+};
+
+struct rxtx_transmission_config {
+ struct rxtx_port_config ports[RTE_MAX_ETHPORTS];
+ uint16_t nb_ports;
+ uint16_t nb_lcores;
+};
+
+typedef enum copy_mode_t {
+#define COPY_MODE_SW "sw"
+ COPY_MODE_SW_NUM,
+#define COPY_MODE_IOAT "hw"
+ COPY_MODE_IOAT_NUM,
+ COPY_MODE_INVALID_NUM,
+ COPY_MODE_SIZE_NUM = COPY_MODE_INVALID_NUM
+} copy_mode_t;
+
+/* mask of enabled ports */
+static uint32_t ioat_enabled_port_mask;
+
+/* number of RX queues per port */
+static uint16_t nb_queues = 1;
+
+/* MAC updating enabled by default. */
+static int mac_updating = 1;
+
+/* hardare copy mode enabled by default. */
+static copy_mode_t copy_mode = COPY_MODE_IOAT_NUM;
+
+/* size of IOAT rawdev ring for hardware copy mode or
+ * rte_ring for software copy mode
+ */
+static unsigned short ring_size = 2048;
+
+/* global transmission config */
+struct rxtx_transmission_config cfg;
+
+/* configurable number of RX/TX ring descriptors */
+static uint16_t nb_rxd = RX_DEFAULT_RINGSIZE;
+static uint16_t nb_txd = TX_DEFAULT_RINGSIZE;
+
+static volatile bool force_quit;
+
+/* ethernet addresses of ports */
+static struct rte_ether_addr ioat_ports_eth_addr[RTE_MAX_ETHPORTS];
+
+static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
+struct rte_mempool *ioat_pktmbuf_pool;
+
+/* Display usage */
+static void
+ioat_usage(const char *prgname)
+{
+ printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
+ " -p --portmask: hexadecimal bitmask of ports to configure\n"
+ " -q NQ: number of RX queues per port (default is 1)\n"
+ " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
+ " When enabled:\n"
+ " - The source MAC address is replaced by the TX port MAC address\n"
+ " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
+ " -c --copy-type CT: type of copy: sw|hw\n"
+ " -s --ring-size RS: size of IOAT rawdev ring for hardware copy mode or rte_ring for software copy mode\n",
+ prgname);
+}
+
+static int
+ioat_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;
+
+ return pm;
+}
+
+static copy_mode_t
+ioat_parse_copy_mode(const char *copy_mode)
+{
+ if (strcmp(copy_mode, COPY_MODE_SW) == 0)
+ return COPY_MODE_SW_NUM;
+ else if (strcmp(copy_mode, COPY_MODE_IOAT) == 0)
+ return COPY_MODE_IOAT_NUM;
+
+ return COPY_MODE_INVALID_NUM;
+}
+
+/* Parse the argument given in the command line of the application */
+static int
+ioat_parse_args(int argc, char **argv, unsigned int nb_ports)
+{
+ static const char short_options[] =
+ "p:" /* portmask */
+ "q:" /* number of RX queues per port */
+ "c:" /* copy type (sw|hw) */
+ "s:" /* ring size */
+ ;
+
+ static const struct option lgopts[] = {
+ {CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
+ {CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
+ {CMD_LINE_OPT_PORTMASK, required_argument, NULL, 'p'},
+ {CMD_LINE_OPT_NB_QUEUE, required_argument, NULL, 'q'},
+ {CMD_LINE_OPT_COPY_TYPE, required_argument, NULL, 'c'},
+ {CMD_LINE_OPT_RING_SIZE, required_argument, NULL, 's'},
+ {NULL, 0, 0, 0}
+ };
+
+ const unsigned int default_port_mask = (1 << nb_ports) - 1;
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+
+ ioat_enabled_port_mask = default_port_mask;
+ argvopt = argv;
+
+ while ((opt = getopt_long(argc, argvopt, short_options,
+ lgopts, &option_index)) != EOF) {
+
+ switch (opt) {
+ /* portmask */
+ case 'p':
+ ioat_enabled_port_mask = ioat_parse_portmask(optarg);
+ if (ioat_enabled_port_mask & ~default_port_mask ||
+ ioat_enabled_port_mask <= 0) {
+ printf("Invalid portmask, %s, suggest 0x%x\n",
+ optarg, default_port_mask);
+ ioat_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case 'q':
+ nb_queues = atoi(optarg);
+ if (nb_queues == 0 || nb_queues > MAX_RX_QUEUES_COUNT) {
+ printf("Invalid RX queues number %s. Max %u\n",
+ optarg, MAX_RX_QUEUES_COUNT);
+ ioat_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case 'c':
+ copy_mode = ioat_parse_copy_mode(optarg);
+ if (copy_mode == COPY_MODE_INVALID_NUM) {
+ printf("Invalid copy type. Use: sw, hw\n");
+ ioat_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case 's':
+ ring_size = atoi(optarg);
+ if (ring_size == 0) {
+ printf("Invalid ring size, %s.\n", optarg);
+ ioat_usage(prgname);
+ return -1;
+ }
+ break;
+
+ /* long options */
+ case 0:
+ break;
+
+ default:
+ ioat_usage(prgname);
+ return -1;
+ }
+ }
+
+ printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
+ if (optind >= 0)
+ argv[optind - 1] = prgname;
+
+ ret = optind - 1;
+ optind = 1; /* reset getopt lib */
+ return ret;
+}
+
+/* check link status, return true if at least one port is up */
+static int
+check_link_status(uint32_t port_mask)
+{
+ uint16_t portid;
+ struct rte_eth_link link;
+ int retval = 0;
+
+ printf("\nChecking link status\n");
+ RTE_ETH_FOREACH_DEV(portid) {
+ if ((port_mask & (1 << portid)) == 0)
+ continue;
+
+ memset(&link, 0, sizeof(link));
+ rte_eth_link_get(portid, &link);
+
+ /* Print link status */
+ if (link.link_status) {
+ printf(
+ "Port %d Link Up. Speed %u Mbps - %s\n",
+ portid, link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ retval = 1;
+ } else
+ printf("Port %d Link Down\n", portid);
+ }
+ return retval;
+}
+
+/*
+ * Initializes a given port using global settings and with the RX buffers
+ * coming from the mbuf_pool passed as a parameter.
+ */
+static inline void
+port_init(uint16_t portid, struct rte_mempool *mbuf_pool, uint16_t nb_queues)
+{
+ /* configuring port to use RSS for multiple RX queues */
+ static const struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_RSS,
+ .max_rx_pkt_len = RTE_ETHER_MAX_LEN
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_key = NULL,
+ .rss_hf = ETH_RSS_PROTO_MASK,
+ }
+ }
+ };
+
+ struct rte_eth_rxconf rxq_conf;
+ struct rte_eth_txconf txq_conf;
+ struct rte_eth_conf local_port_conf = port_conf;
+ struct rte_eth_dev_info dev_info;
+ int ret, i;
+
+ /* Skip ports that are not enabled */
+ if ((ioat_enabled_port_mask & (1 << portid)) == 0) {
+ printf("Skipping disabled port %u\n", portid);
+ return;
+ }
+
+ /* Init port */
+ printf("Initializing port %u... ", portid);
+ fflush(stdout);
+ rte_eth_dev_info_get(portid, &dev_info);
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+ dev_info.flow_type_rss_offloads;
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ ret = rte_eth_dev_configure(portid, nb_queues, 1, &local_port_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot configure device:"
+ " err=%d, port=%u\n", ret, portid);
+
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+ &nb_txd);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot adjust number of descriptors: err=%d, port=%u\n",
+ ret, portid);
+
+ rte_eth_macaddr_get(portid, &ioat_ports_eth_addr[portid]);
+
+ /* Init RX queues */
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = local_port_conf.rxmode.offloads;
+ for (i = 0; i < nb_queues; i++) {
+ ret = rte_eth_rx_queue_setup(portid, i, nb_rxd,
+ rte_eth_dev_socket_id(portid), &rxq_conf,
+ mbuf_pool);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_eth_rx_queue_setup:err=%d,port=%u, queue_id=%u\n",
+ ret, portid, i);
+ }
+
+ /* Init one TX queue on each port */
+ txq_conf = dev_info.default_txconf;
+ txq_conf.offloads = local_port_conf.txmode.offloads;
+ ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
+ rte_eth_dev_socket_id(portid),
+ &txq_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_eth_tx_queue_setup:err=%d,port=%u\n",
+ ret, portid);
+
+ /* Initialize TX buffers */
+ tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
+ RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
+ rte_eth_dev_socket_id(portid));
+ if (tx_buffer[portid] == NULL)
+ rte_exit(EXIT_FAILURE,
+ "Cannot allocate buffer for tx on port %u\n",
+ portid);
+
+ rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
+
+ /* Start device */
+ ret = rte_eth_dev_start(portid);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_eth_dev_start:err=%d, port=%u\n",
+ ret, portid);
+
+ rte_eth_promiscuous_enable(portid);
+
+ printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
+ portid,
+ ioat_ports_eth_addr[portid].addr_bytes[0],
+ ioat_ports_eth_addr[portid].addr_bytes[1],
+ ioat_ports_eth_addr[portid].addr_bytes[2],
+ ioat_ports_eth_addr[portid].addr_bytes[3],
+ ioat_ports_eth_addr[portid].addr_bytes[4],
+ ioat_ports_eth_addr[portid].addr_bytes[5]);
+
+ cfg.ports[cfg.nb_ports].rxtx_port = portid;
+ cfg.ports[cfg.nb_ports++].nb_queues = nb_queues;
+}
+
+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)
+{
+ int ret;
+ uint16_t nb_ports, portid;
+ uint32_t i;
+ unsigned int nb_mbufs;
+
+ /* Init EAL */
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
+ argc -= ret;
+ argv += ret;
+
+ force_quit = false;
+ signal(SIGINT, signal_handler);
+ signal(SIGTERM, signal_handler);
+
+ nb_ports = rte_eth_dev_count_avail();
+ if (nb_ports == 0)
+ rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
+
+ /* Parse application arguments (after the EAL ones) */
+ ret = ioat_parse_args(argc, argv, nb_ports);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid IOAT arguments\n");
+
+ nb_mbufs = RTE_MAX(nb_ports * (nb_queues * (nb_rxd + nb_txd +
+ 4 * MAX_PKT_BURST) + rte_lcore_count() * MEMPOOL_CACHE_SIZE),
+ MIN_POOL_SIZE);
+
+ /* Create the mbuf pool */
+ ioat_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
+ MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
+ rte_socket_id());
+ if (ioat_pktmbuf_pool == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+
+ /* Initialise each port */
+ cfg.nb_ports = 0;
+ RTE_ETH_FOREACH_DEV(portid)
+ port_init(portid, ioat_pktmbuf_pool, nb_queues);
+
+ while (!check_link_status(ioat_enabled_port_mask) && !force_quit)
+ sleep(1);
+
+ /* Check if there is enough lcores for all ports. */
+ cfg.nb_lcores = rte_lcore_count() - 1;
+ if (cfg.nb_lcores < 1)
+ rte_exit(EXIT_FAILURE,
+ "There should be at least one slave lcore.\n");
+ for (i = 0; i < cfg.nb_ports; i++) {
+ printf("Closing port %d\n", cfg.ports[i].rxtx_port);
+ rte_eth_dev_stop(cfg.ports[i].rxtx_port);
+ rte_eth_dev_close(cfg.ports[i].rxtx_port);
+ }
+
+ printf("Bye...\n");
+ return 0;
+}
git.droids-corp.org / dpdk.git / commitdiff