607 lines
17 KiB
C
607 lines
17 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
#include <sys/queue.h>
|
|
#include <stdarg.h>
|
|
#include <errno.h>
|
|
#include <getopt.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <linux/if.h>
|
|
#include <linux/if_tun.h>
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
|
|
#include <rte_common.h>
|
|
#include <rte_log.h>
|
|
#include <rte_memory.h>
|
|
#include <rte_memcpy.h>
|
|
#include <rte_memzone.h>
|
|
#include <rte_tailq.h>
|
|
#include <rte_eal.h>
|
|
#include <rte_per_lcore.h>
|
|
#include <rte_launch.h>
|
|
#include <rte_atomic.h>
|
|
#include <rte_lcore.h>
|
|
#include <rte_branch_prediction.h>
|
|
#include <rte_interrupts.h>
|
|
#include <rte_pci.h>
|
|
#include <rte_debug.h>
|
|
#include <rte_ether.h>
|
|
#include <rte_ethdev.h>
|
|
#include <rte_ring.h>
|
|
#include <rte_log.h>
|
|
#include <rte_mempool.h>
|
|
#include <rte_mbuf.h>
|
|
#include <rte_string_fns.h>
|
|
#include <rte_cycles.h>
|
|
|
|
/* Macros for printing using RTE_LOG */
|
|
#define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1
|
|
#define FATAL_ERROR(fmt, args...) rte_exit(EXIT_FAILURE, fmt "\n", ##args)
|
|
#define PRINT_INFO(fmt, args...) RTE_LOG(INFO, APP, fmt "\n", ##args)
|
|
|
|
/* Max ports than can be used (each port is associated with two lcores) */
|
|
#define MAX_PORTS (RTE_MAX_LCORE / 2)
|
|
|
|
/* Max size of a single packet */
|
|
#define MAX_PACKET_SZ 2048
|
|
|
|
/* Number of bytes needed for each mbuf */
|
|
#define MBUF_SZ \
|
|
(MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
|
|
|
|
/* Number of mbufs in mempool that is created */
|
|
#define NB_MBUF 8192
|
|
|
|
/* How many packets to attempt to read from NIC in one go */
|
|
#define PKT_BURST_SZ 32
|
|
|
|
/* How many objects (mbufs) to keep in per-lcore mempool cache */
|
|
#define MEMPOOL_CACHE_SZ PKT_BURST_SZ
|
|
|
|
/* Number of RX ring descriptors */
|
|
#define NB_RXD 128
|
|
|
|
/* Number of TX ring descriptors */
|
|
#define NB_TXD 512
|
|
|
|
/*
|
|
* RX and TX Prefetch, Host, and Write-back threshold values should be
|
|
* carefully set for optimal performance. Consult the network
|
|
* controller's datasheet and supporting DPDK documentation for guidance
|
|
* on how these parameters should be set.
|
|
*/
|
|
/* RX ring configuration */
|
|
static const struct rte_eth_rxconf rx_conf = {
|
|
.rx_thresh = {
|
|
.pthresh = 8, /* Ring prefetch threshold */
|
|
.hthresh = 8, /* Ring host threshold */
|
|
.wthresh = 4, /* Ring writeback threshold */
|
|
},
|
|
.rx_free_thresh = 0, /* Immediately free RX descriptors */
|
|
};
|
|
|
|
/*
|
|
* These default values are optimized for use with the Intel(R) 82599 10 GbE
|
|
* Controller and the DPDK ixgbe PMD. Consider using other values for other
|
|
* network controllers and/or network drivers.
|
|
*/
|
|
/* TX ring configuration */
|
|
static const struct rte_eth_txconf tx_conf = {
|
|
.tx_thresh = {
|
|
.pthresh = 36, /* Ring prefetch threshold */
|
|
.hthresh = 0, /* Ring host threshold */
|
|
.wthresh = 0, /* Ring writeback threshold */
|
|
},
|
|
.tx_free_thresh = 0, /* Use PMD default values */
|
|
.tx_rs_thresh = 0, /* Use PMD default values */
|
|
};
|
|
|
|
/* Options for configuring ethernet port */
|
|
static const struct rte_eth_conf port_conf = {
|
|
.rxmode = {
|
|
.header_split = 0, /* Header Split disabled */
|
|
.hw_ip_checksum = 0, /* IP checksum offload disabled */
|
|
.hw_vlan_filter = 0, /* VLAN filtering disabled */
|
|
.jumbo_frame = 0, /* Jumbo Frame Support disabled */
|
|
.hw_strip_crc = 0, /* CRC stripped by hardware */
|
|
},
|
|
.txmode = {
|
|
.mq_mode = ETH_MQ_TX_NONE,
|
|
},
|
|
};
|
|
|
|
/* Mempool for mbufs */
|
|
static struct rte_mempool * pktmbuf_pool = NULL;
|
|
|
|
/* Mask of enabled ports */
|
|
static uint32_t ports_mask = 0;
|
|
|
|
/* Mask of cores that read from NIC and write to tap */
|
|
static uint32_t input_cores_mask = 0;
|
|
|
|
/* Mask of cores that read from tap and write to NIC */
|
|
static uint32_t output_cores_mask = 0;
|
|
|
|
/* Array storing port_id that is associated with each lcore */
|
|
static uint8_t port_ids[RTE_MAX_LCORE];
|
|
|
|
/* Structure type for recording lcore-specific stats */
|
|
struct stats {
|
|
uint64_t rx;
|
|
uint64_t tx;
|
|
uint64_t dropped;
|
|
};
|
|
|
|
/* Array of lcore-specific stats */
|
|
static struct stats lcore_stats[RTE_MAX_LCORE];
|
|
|
|
/* Print out statistics on packets handled */
|
|
static void
|
|
print_stats(void)
|
|
{
|
|
unsigned i;
|
|
|
|
printf("\n**Exception-Path example application statistics**\n"
|
|
"======= ====== ============ ============ ===============\n"
|
|
" Lcore Port RX TX Dropped on TX\n"
|
|
"------- ------ ------------ ------------ ---------------\n");
|
|
RTE_LCORE_FOREACH(i) {
|
|
printf("%6u %7u %13"PRIu64" %13"PRIu64" %16"PRIu64"\n",
|
|
i, (unsigned)port_ids[i],
|
|
lcore_stats[i].rx, lcore_stats[i].tx,
|
|
lcore_stats[i].dropped);
|
|
}
|
|
printf("======= ====== ============ ============ ===============\n");
|
|
}
|
|
|
|
/* Custom handling of signals to handle stats */
|
|
static void
|
|
signal_handler(int signum)
|
|
{
|
|
/* When we receive a USR1 signal, print stats */
|
|
if (signum == SIGUSR1) {
|
|
print_stats();
|
|
}
|
|
|
|
/* When we receive a USR2 signal, reset stats */
|
|
if (signum == SIGUSR2) {
|
|
memset(&lcore_stats, 0, sizeof(lcore_stats));
|
|
printf("\n**Statistics have been reset**\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a tap network interface, or use existing one with same name.
|
|
* If name[0]='\0' then a name is automatically assigned and returned in name.
|
|
*/
|
|
static int tap_create(char *name)
|
|
{
|
|
struct ifreq ifr;
|
|
int fd, ret;
|
|
|
|
fd = open("/dev/net/tun", O_RDWR);
|
|
if (fd < 0)
|
|
return fd;
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
|
|
/* TAP device without packet information */
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
|
|
|
if (name && *name)
|
|
rte_snprintf(ifr.ifr_name, IFNAMSIZ, name);
|
|
|
|
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
|
if (ret < 0) {
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
|
|
if (name)
|
|
rte_snprintf(name, IFNAMSIZ, ifr.ifr_name);
|
|
|
|
return fd;
|
|
}
|
|
|
|
/* Main processing loop */
|
|
static __attribute__((noreturn)) int
|
|
main_loop(__attribute__((unused)) void *arg)
|
|
{
|
|
const unsigned lcore_id = rte_lcore_id();
|
|
char tap_name[IFNAMSIZ];
|
|
int tap_fd;
|
|
|
|
/* Create new tap interface */
|
|
rte_snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id);
|
|
tap_fd = tap_create(tap_name);
|
|
if (tap_fd < 0)
|
|
FATAL_ERROR("Could not create tap interface \"%s\" (%d)",
|
|
tap_name, tap_fd);
|
|
|
|
if ((1 << lcore_id) & input_cores_mask) {
|
|
PRINT_INFO("Lcore %u is reading from port %u and writing to %s",
|
|
lcore_id, (unsigned)port_ids[lcore_id], tap_name);
|
|
fflush(stdout);
|
|
/* Loop forever reading from NIC and writing to tap */
|
|
for (;;) {
|
|
struct rte_mbuf *pkts_burst[PKT_BURST_SZ];
|
|
unsigned i;
|
|
const unsigned nb_rx =
|
|
rte_eth_rx_burst(port_ids[lcore_id], 0,
|
|
pkts_burst, PKT_BURST_SZ);
|
|
lcore_stats[lcore_id].rx += nb_rx;
|
|
for (i = 0; likely(i < nb_rx); i++) {
|
|
struct rte_mbuf *m = pkts_burst[i];
|
|
/* Ignore return val from write() */
|
|
int ret = write(tap_fd,
|
|
rte_pktmbuf_mtod(m, void*),
|
|
rte_pktmbuf_data_len(m));
|
|
rte_pktmbuf_free(m);
|
|
if (unlikely(ret < 0))
|
|
lcore_stats[lcore_id].dropped++;
|
|
else
|
|
lcore_stats[lcore_id].tx++;
|
|
}
|
|
}
|
|
}
|
|
else if ((1 << lcore_id) & output_cores_mask) {
|
|
PRINT_INFO("Lcore %u is reading from %s and writing to port %u",
|
|
lcore_id, tap_name, (unsigned)port_ids[lcore_id]);
|
|
fflush(stdout);
|
|
/* Loop forever reading from tap and writing to NIC */
|
|
for (;;) {
|
|
int ret;
|
|
struct rte_mbuf *m = rte_pktmbuf_alloc(pktmbuf_pool);
|
|
if (m == NULL)
|
|
continue;
|
|
|
|
ret = read(tap_fd, m->pkt.data, MAX_PACKET_SZ);
|
|
lcore_stats[lcore_id].rx++;
|
|
if (unlikely(ret < 0)) {
|
|
FATAL_ERROR("Reading from %s interface failed",
|
|
tap_name);
|
|
}
|
|
m->pkt.nb_segs = 1;
|
|
m->pkt.next = NULL;
|
|
m->pkt.pkt_len = (uint16_t)ret;
|
|
m->pkt.data_len = (uint16_t)ret;
|
|
ret = rte_eth_tx_burst(port_ids[lcore_id], 0, &m, 1);
|
|
if (unlikely(ret < 1)) {
|
|
rte_pktmbuf_free(m);
|
|
lcore_stats[lcore_id].dropped++;
|
|
}
|
|
else {
|
|
lcore_stats[lcore_id].tx++;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
PRINT_INFO("Lcore %u has nothing to do", lcore_id);
|
|
for (;;)
|
|
; /* loop doing nothing */
|
|
}
|
|
/*
|
|
* Tap file is closed automatically when program exits. Putting close()
|
|
* here will cause the compiler to give an error about unreachable code.
|
|
*/
|
|
}
|
|
|
|
/* Display usage instructions */
|
|
static void
|
|
print_usage(const char *prgname)
|
|
{
|
|
PRINT_INFO("\nUsage: %s [EAL options] -- -p PORTMASK -i IN_CORES -o OUT_CORES\n"
|
|
" -p PORTMASK: hex bitmask of ports to use\n"
|
|
" -i IN_CORES: hex bitmask of cores which read from NIC\n"
|
|
" -o OUT_CORES: hex bitmask of cores which write to NIC",
|
|
prgname);
|
|
}
|
|
|
|
/* Convert string to unsigned number. 0 is returned if error occurs */
|
|
static uint32_t
|
|
parse_unsigned(const char *portmask)
|
|
{
|
|
char *end = NULL;
|
|
unsigned long num;
|
|
|
|
num = strtoul(portmask, &end, 16);
|
|
if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
|
|
return 0;
|
|
|
|
return (uint32_t)num;
|
|
}
|
|
|
|
/* Record affinities between ports and lcores in global port_ids[] array */
|
|
static void
|
|
setup_port_lcore_affinities(void)
|
|
{
|
|
unsigned i;
|
|
uint8_t tx_port = 0;
|
|
uint8_t rx_port = 0;
|
|
|
|
/* Setup port_ids[] array, and check masks were ok */
|
|
RTE_LCORE_FOREACH(i) {
|
|
if (input_cores_mask & (1 << i)) {
|
|
/* Skip ports that are not enabled */
|
|
while ((ports_mask & (1 << rx_port)) == 0) {
|
|
rx_port++;
|
|
if (rx_port > (sizeof(ports_mask) * 8))
|
|
goto fail; /* not enough ports */
|
|
}
|
|
|
|
port_ids[i] = rx_port++;
|
|
}
|
|
else if (output_cores_mask & (1 << i)) {
|
|
/* Skip ports that are not enabled */
|
|
while ((ports_mask & (1 << tx_port)) == 0) {
|
|
tx_port++;
|
|
if (tx_port > (sizeof(ports_mask) * 8))
|
|
goto fail; /* not enough ports */
|
|
}
|
|
|
|
port_ids[i] = tx_port++;
|
|
}
|
|
}
|
|
|
|
if (rx_port != tx_port)
|
|
goto fail; /* uneven number of cores in masks */
|
|
|
|
if (ports_mask & (~((1 << rx_port) - 1)))
|
|
goto fail; /* unused ports */
|
|
|
|
return;
|
|
fail:
|
|
FATAL_ERROR("Invalid core/port masks specified on command line");
|
|
}
|
|
|
|
/* Parse the arguments given in the command line of the application */
|
|
static void
|
|
parse_args(int argc, char **argv)
|
|
{
|
|
int opt;
|
|
const char *prgname = argv[0];
|
|
|
|
/* Disable printing messages within getopt() */
|
|
opterr = 0;
|
|
|
|
/* Parse command line */
|
|
while ((opt = getopt(argc, argv, "i:o:p:")) != EOF) {
|
|
switch (opt) {
|
|
case 'i':
|
|
input_cores_mask = parse_unsigned(optarg);
|
|
break;
|
|
case 'o':
|
|
output_cores_mask = parse_unsigned(optarg);
|
|
break;
|
|
case 'p':
|
|
ports_mask = parse_unsigned(optarg);
|
|
break;
|
|
default:
|
|
print_usage(prgname);
|
|
FATAL_ERROR("Invalid option specified");
|
|
}
|
|
}
|
|
|
|
/* Check that options were parsed ok */
|
|
if (input_cores_mask == 0) {
|
|
print_usage(prgname);
|
|
FATAL_ERROR("IN_CORES not specified correctly");
|
|
}
|
|
if (output_cores_mask == 0) {
|
|
print_usage(prgname);
|
|
FATAL_ERROR("OUT_CORES not specified correctly");
|
|
}
|
|
if (ports_mask == 0) {
|
|
print_usage(prgname);
|
|
FATAL_ERROR("PORTMASK not specified correctly");
|
|
}
|
|
|
|
setup_port_lcore_affinities();
|
|
}
|
|
|
|
/* Initialise a single port on an Ethernet device */
|
|
static void
|
|
init_port(uint8_t port)
|
|
{
|
|
int ret;
|
|
|
|
/* Initialise device and RX/TX queues */
|
|
PRINT_INFO("Initialising port %u ...", (unsigned)port);
|
|
fflush(stdout);
|
|
ret = rte_eth_dev_configure(port, 1, 1, &port_conf);
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not configure port%u (%d)",
|
|
(unsigned)port, ret);
|
|
|
|
ret = rte_eth_rx_queue_setup(port, 0, NB_RXD, rte_eth_dev_socket_id(port),
|
|
&rx_conf, pktmbuf_pool);
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not setup up RX queue for port%u (%d)",
|
|
(unsigned)port, ret);
|
|
|
|
ret = rte_eth_tx_queue_setup(port, 0, NB_TXD, rte_eth_dev_socket_id(port),
|
|
&tx_conf);
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not setup up TX queue for port%u (%d)",
|
|
(unsigned)port, ret);
|
|
|
|
ret = rte_eth_dev_start(port);
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not start port%u (%d)", (unsigned)port, ret);
|
|
|
|
rte_eth_promiscuous_enable(port);
|
|
}
|
|
|
|
/* Check the link status of all ports in up to 9s, and print them finally */
|
|
static void
|
|
check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
|
|
{
|
|
#define CHECK_INTERVAL 100 /* 100ms */
|
|
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
|
|
uint8_t portid, count, all_ports_up, print_flag = 0;
|
|
struct rte_eth_link link;
|
|
|
|
printf("\nChecking link status");
|
|
fflush(stdout);
|
|
for (count = 0; count <= MAX_CHECK_TIME; count++) {
|
|
all_ports_up = 1;
|
|
for (portid = 0; portid < port_num; portid++) {
|
|
if ((port_mask & (1 << portid)) == 0)
|
|
continue;
|
|
memset(&link, 0, sizeof(link));
|
|
rte_eth_link_get_nowait(portid, &link);
|
|
/* print link status if flag set */
|
|
if (print_flag == 1) {
|
|
if (link.link_status)
|
|
printf("Port %d Link Up - speed %u "
|
|
"Mbps - %s\n", (uint8_t)portid,
|
|
(unsigned)link.link_speed,
|
|
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
|
|
("full-duplex") : ("half-duplex\n"));
|
|
else
|
|
printf("Port %d Link Down\n",
|
|
(uint8_t)portid);
|
|
continue;
|
|
}
|
|
/* clear all_ports_up flag if any link down */
|
|
if (link.link_status == 0) {
|
|
all_ports_up = 0;
|
|
break;
|
|
}
|
|
}
|
|
/* after finally printing all link status, get out */
|
|
if (print_flag == 1)
|
|
break;
|
|
|
|
if (all_ports_up == 0) {
|
|
printf(".");
|
|
fflush(stdout);
|
|
rte_delay_ms(CHECK_INTERVAL);
|
|
}
|
|
|
|
/* set the print_flag if all ports up or timeout */
|
|
if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
|
|
print_flag = 1;
|
|
printf("done\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Initialise ports/queues etc. and start main loop on each core */
|
|
int
|
|
main(int argc, char** argv)
|
|
{
|
|
int ret;
|
|
unsigned i,high_port;
|
|
uint8_t nb_sys_ports, port;
|
|
|
|
/* Associate signal_hanlder function with USR signals */
|
|
signal(SIGUSR1, signal_handler);
|
|
signal(SIGUSR2, signal_handler);
|
|
|
|
/* Initialise EAL */
|
|
ret = rte_eal_init(argc, argv);
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not initialise EAL (%d)", ret);
|
|
argc -= ret;
|
|
argv += ret;
|
|
|
|
/* Parse application arguments (after the EAL ones) */
|
|
parse_args(argc, argv);
|
|
|
|
/* Create the mbuf pool */
|
|
pktmbuf_pool = rte_mempool_create("mbuf_pool", NB_MBUF, MBUF_SZ,
|
|
MEMPOOL_CACHE_SZ,
|
|
sizeof(struct rte_pktmbuf_pool_private),
|
|
rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL,
|
|
rte_socket_id(), 0);
|
|
if (pktmbuf_pool == NULL) {
|
|
FATAL_ERROR("Could not initialise mbuf pool");
|
|
return -1;
|
|
}
|
|
|
|
/* Initialise PMD driver(s) */
|
|
ret = rte_pmd_init_all();
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not probe PMD (%d)", ret);
|
|
|
|
/* Scan PCI bus for recognised devices */
|
|
ret = rte_eal_pci_probe();
|
|
if (ret < 0)
|
|
FATAL_ERROR("Could not probe PCI (%d)", ret);
|
|
|
|
/* Get number of ports found in scan */
|
|
nb_sys_ports = rte_eth_dev_count();
|
|
if (nb_sys_ports == 0)
|
|
FATAL_ERROR("No supported Ethernet devices found - check that "
|
|
"CONFIG_RTE_LIBRTE_IGB_PMD=y and/or "
|
|
"CONFIG_RTE_LIBRTE_IXGBE_PMD=y in the config file");
|
|
/* Find highest port set in portmask */
|
|
for (high_port = (sizeof(ports_mask) * 8) - 1;
|
|
(high_port != 0) && !(ports_mask & (1 << high_port));
|
|
high_port--)
|
|
; /* empty body */
|
|
if (high_port > nb_sys_ports)
|
|
FATAL_ERROR("Port mask requires more ports than available");
|
|
|
|
/* Initialise each port */
|
|
for (port = 0; port < nb_sys_ports; port++) {
|
|
/* Skip ports that are not enabled */
|
|
if ((ports_mask & (1 << port)) == 0) {
|
|
continue;
|
|
}
|
|
init_port(port);
|
|
}
|
|
check_all_ports_link_status(nb_sys_ports, ports_mask);
|
|
|
|
/* Launch per-lcore function on every lcore */
|
|
rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
|
|
RTE_LCORE_FOREACH_SLAVE(i) {
|
|
if (rte_eal_wait_lcore(i) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|