static int setup_prox(int argc, char **argv)
{
if (prox_read_config_file() != 0 ||
prox_setup_rte(argv[0]) != 0) {
return -1;
}
if (prox_cfg.flags & DSF_CHECK_SYNTAX) {
plog_info("=== Configuration file syntax has been checked ===\n\n");
exit(EXIT_SUCCESS);
}
init_port_activate();
plog_info("=== Initializing rte devices ===\n");
if (!(prox_cfg.flags & DSF_USE_DUMMY_DEVICES))
init_rte_ring_dev();
init_rte_dev(prox_cfg.flags & DSF_USE_DUMMY_DEVICES);
plog_info("=== Calibrating TSC overhead ===\n");
clock_init();
plog_info("\tTSC running at %"PRIu64" Hz\n", rte_get_tsc_hz());
init_lcores();
plog_info("=== Initializing ports ===\n");
init_port_all();
if (prox_cfg.logbuf_size) {
prox_cfg.logbuf = prox_zmalloc(prox_cfg.logbuf_size, rte_socket_id());
PROX_PANIC(prox_cfg.logbuf == NULL, "Failed to allocate memory for logbuf with size = %d\n", prox_cfg.logbuf_size);
}
if (prox_cfg.flags & DSF_CHECK_INIT) {
plog_info("=== Initialization sequence completed ===\n\n");
exit(EXIT_SUCCESS);
}
/* Current way that works to disable DPDK logging */
FILE *f = fopen("/dev/null", "r");
rte_openlog_stream(f);
plog_info("=== PROX started ===\n");
return 0;
}
static int
test_pmd_perf(void)
{
uint16_t nb_ports, num, nb_lcores, slave_id = (uint16_t)-1;
uint16_t nb_rxd = MAX_TRAFFIC_BURST;
uint16_t nb_txd = MAX_TRAFFIC_BURST;
uint16_t portid;
uint16_t nb_rx_queue = 1, nb_tx_queue = 1;
int socketid = -1;
int ret;
printf("Start PMD RXTX cycles cost test.\n");
signal(SIGUSR1, signal_handler);
signal(SIGUSR2, signal_handler);
nb_ports = rte_eth_dev_count();
if (nb_ports < NB_ETHPORTS_USED) {
printf("At least %u port(s) used for perf. test\n",
NB_ETHPORTS_USED);
return -1;
}
if (nb_ports > RTE_MAX_ETHPORTS)
nb_ports = RTE_MAX_ETHPORTS;
nb_lcores = rte_lcore_count();
memset(lcore_conf, 0, sizeof(lcore_conf));
init_lcores();
init_mbufpool(NB_MBUF);
if (sc_flag == SC_CONTINUOUS) {
nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
nb_txd = RTE_TEST_TX_DESC_DEFAULT;
}
printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd);
reset_count();
num = 0;
for (portid = 0; portid < nb_ports; portid++) {
if (socketid == -1) {
socketid = rte_eth_dev_socket_id(portid);
slave_id = alloc_lcore(socketid);
if (slave_id == (uint16_t)-1) {
printf("No avail lcore to run test\n");
return -1;
}
printf("Performance test runs on lcore %u socket %u\n",
slave_id, socketid);
}
if (socketid != rte_eth_dev_socket_id(portid)) {
printf("Skip port %d\n", portid);
continue;
}
/* port configure */
ret = rte_eth_dev_configure(portid, nb_rx_queue,
nb_tx_queue, &port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE,
"Cannot configure device: err=%d, port=%d\n",
ret, portid);
rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
printf("Port %u ", portid);
print_ethaddr("Address:", &ports_eth_addr[portid]);
printf("\n");
/* tx queue setup */
ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
socketid, &tx_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE,
"rte_eth_tx_queue_setup: err=%d, "
"port=%d\n", ret, portid);
/* rx queue steup */
ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
socketid, &rx_conf,
mbufpool[socketid]);
if (ret < 0)
rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
"port=%d\n", ret, portid);
/* Start device */
stop = 0;
ret = rte_eth_dev_start(portid);
if (ret < 0)
rte_exit(EXIT_FAILURE,
"rte_eth_dev_start: err=%d, port=%d\n",
ret, portid);
/* always eanble promiscuous */
rte_eth_promiscuous_enable(portid);
lcore_conf[slave_id].portlist[num++] = portid;
lcore_conf[slave_id].nb_ports++;
}
check_all_ports_link_status(nb_ports, RTE_PORT_ALL);
if (tx_burst == NULL) {
tx_burst = (struct rte_mbuf **)
rte_calloc_socket("tx_buff",
MAX_TRAFFIC_BURST * nb_ports,
sizeof(void *),
RTE_CACHE_LINE_SIZE, socketid);
if (!tx_burst)
return -1;
}
init_traffic(mbufpool[socketid],
tx_burst, MAX_TRAFFIC_BURST * nb_ports);
printf("Generate %d packets @socket %d\n",
MAX_TRAFFIC_BURST * nb_ports, socketid);
if (sc_flag == SC_CONTINUOUS) {
/* do both rxtx by default */
if (NULL == do_measure)
do_measure = measure_rxtx;
rte_eal_remote_launch(main_loop, NULL, slave_id);
if (rte_eal_wait_lcore(slave_id) < 0)
return -1;
} else if (sc_flag == SC_BURST_POLL_FIRST ||
sc_flag == SC_BURST_XMIT_FIRST)
if (exec_burst(sc_flag, slave_id) < 0)
return -1;
/* port tear down */
for (portid = 0; portid < nb_ports; portid++) {
if (socketid != rte_eth_dev_socket_id(portid))
continue;
rte_eth_dev_stop(portid);
}
return 0;
}
