-/*-
- * 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.
- *
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
*/
#include <stdio.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/queue.h>
-#include <netinet/in.h>
#include <setjmp.h>
#include <stdarg.h>
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
#include <rte_common.h>
#include <rte_log.h>
+#include <rte_malloc.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_cycles.h>
#include <rte_prefetch.h>
#include <rte_lcore.h>
#include <rte_per_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
#include <rte_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
-#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
+#include <rte_string_fns.h>
-#include "main.h"
-
-#define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
+static volatile bool force_quit;
-#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
-#define NB_MBUF 8192
+/* MAC updating enabled by default */
+static int mac_updating = 1;
-/*
- * 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.
- */
-#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
-#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
-#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
+/* Ports set in promiscuous mode off by default. */
+static int promiscuous_on;
-/*
- * 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.
- */
-#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
-#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
-#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
+#define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
#define MAX_PKT_BURST 32
#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
+#define MEMPOOL_CACHE_SIZE 256
/*
* Configurable number of RX/TX ring descriptors
*/
-#define RTE_TEST_RX_DESC_DEFAULT 128
-#define RTE_TEST_TX_DESC_DEFAULT 512
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
/* ethernet addresses of ports */
-static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
+static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
/* mask of enabled ports */
static uint32_t l2fwd_enabled_port_mask = 0;
/* list of enabled ports */
static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
-static unsigned int l2fwd_rx_queue_per_lcore = 1;
+struct port_pair_params {
+#define NUM_PORTS 2
+ uint16_t port[NUM_PORTS];
+} __rte_cache_aligned;
-struct mbuf_table {
- unsigned len;
- struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
+static struct port_pair_params port_pair_params_array[RTE_MAX_ETHPORTS / 2];
+static struct port_pair_params *port_pair_params;
+static uint16_t nb_port_pair_params;
+
+static unsigned int l2fwd_rx_queue_per_lcore = 1;
#define MAX_RX_QUEUE_PER_LCORE 16
#define MAX_TX_QUEUE_PER_PORT 16
+/* List of queues to be polled for a given lcore. 8< */
struct lcore_queue_conf {
unsigned n_rx_port;
unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
- struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
-
} __rte_cache_aligned;
struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
+/* >8 End of list of queues to be polled for a given lcore. */
+
+static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
.rxmode = {
.split_hdr_size = 0,
- .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,
- },
-};
-
-static const struct rte_eth_rxconf rx_conf = {
- .rx_thresh = {
- .pthresh = RX_PTHRESH,
- .hthresh = RX_HTHRESH,
- .wthresh = RX_WTHRESH,
- },
-};
-
-static const struct rte_eth_txconf tx_conf = {
- .tx_thresh = {
- .pthresh = TX_PTHRESH,
- .hthresh = TX_HTHRESH,
- .wthresh = TX_WTHRESH,
+ .mq_mode = RTE_ETH_MQ_TX_NONE,
},
- .tx_free_thresh = 0, /* Use PMD default values */
- .tx_rs_thresh = 0, /* Use PMD default values */
};
struct rte_mempool * l2fwd_pktmbuf_pool = NULL;
} __rte_cache_aligned;
struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
-/* A tsc-based timer responsible for triggering statistics printout */
-#define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
#define MAX_TIMER_PERIOD 86400 /* 1 day max */
-static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
+/* A tsc-based timer responsible for triggering statistics printout */
+static uint64_t timer_period = 10; /* default period is 10 seconds */
/* Print out statistics on packets dropped */
static void
total_packets_rx,
total_packets_dropped);
printf("\n====================================================\n");
-}
-
-/* Send the packet on an output interface */
-static int
-l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
-{
- struct rte_mbuf **m_table;
- unsigned ret;
- unsigned queueid =0;
-
- m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
-
- ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n);
- port_statistics[port].tx += ret;
- if (unlikely(ret < n)) {
- port_statistics[port].dropped += (n - ret);
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < n);
- }
- return 0;
+ fflush(stdout);
}
-/* Send the packet on an output interface */
-static int
-l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
+static void
+l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid)
{
- unsigned lcore_id, len;
- struct lcore_queue_conf *qconf;
+ struct rte_ether_hdr *eth;
+ void *tmp;
- lcore_id = rte_lcore_id();
+ eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
- qconf = &lcore_queue_conf[lcore_id];
- len = qconf->tx_mbufs[port].len;
- qconf->tx_mbufs[port].m_table[len] = m;
- len++;
-
- /* enough pkts to be sent */
- if (unlikely(len == MAX_PKT_BURST)) {
- l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
- len = 0;
- }
+ /* 02:00:00:00:00:xx */
+ tmp = ð->dst_addr.addr_bytes[0];
+ *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
- qconf->tx_mbufs[port].len = len;
- return 0;
+ /* src addr */
+ rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->src_addr);
}
+/* Simple forward. 8< */
static void
l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
{
- struct ether_hdr *eth;
- void *tmp;
unsigned dst_port;
+ int sent;
+ struct rte_eth_dev_tx_buffer *buffer;
dst_port = l2fwd_dst_ports[portid];
- eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
- /* 02:00:00:00:00:xx */
- tmp = ð->d_addr.addr_bytes[0];
- *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
+ if (mac_updating)
+ l2fwd_mac_updating(m, dst_port);
- /* src addr */
- ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
-
- l2fwd_send_packet(m, (uint8_t) dst_port);
+ buffer = tx_buffer[dst_port];
+ sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
+ if (sent)
+ port_statistics[dst_port].tx += sent;
}
+/* >8 End of simple forward. */
/* main processing loop */
static void
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mbuf *m;
+ int sent;
unsigned lcore_id;
uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
unsigned i, j, portid, nb_rx;
struct lcore_queue_conf *qconf;
- const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
+ BURST_TX_DRAIN_US;
+ struct rte_eth_dev_tx_buffer *buffer;
prev_tsc = 0;
timer_tsc = 0;
portid = qconf->rx_port_list[i];
RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
portid);
+
}
- while (1) {
+ while (!force_quit) {
+ /* Drains TX queue in its main loop. 8< */
cur_tsc = rte_rdtsc();
/*
diff_tsc = cur_tsc - prev_tsc;
if (unlikely(diff_tsc > drain_tsc)) {
- for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
- if (qconf->tx_mbufs[portid].len == 0)
- continue;
- l2fwd_send_burst(&lcore_queue_conf[lcore_id],
- qconf->tx_mbufs[portid].len,
- (uint8_t) portid);
- qconf->tx_mbufs[portid].len = 0;
+ for (i = 0; i < qconf->n_rx_port; i++) {
+
+ portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
+ buffer = tx_buffer[portid];
+
+ sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
+ if (sent)
+ port_statistics[portid].tx += sent;
+
}
/* if timer is enabled */
timer_tsc += diff_tsc;
/* if timer has reached its timeout */
- if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
+ if (unlikely(timer_tsc >= timer_period)) {
- /* do this only on master core */
- if (lcore_id == rte_get_master_lcore()) {
+ /* do this only on main core */
+ if (lcore_id == rte_get_main_lcore()) {
print_stats();
/* reset the timer */
timer_tsc = 0;
prev_tsc = cur_tsc;
}
+ /* >8 End of draining TX queue. */
- /*
- * Read packet from RX queues
- */
+ /* Read packet from RX queues. 8< */
for (i = 0; i < qconf->n_rx_port; i++) {
portid = qconf->rx_port_list[i];
- nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
+ nb_rx = rte_eth_rx_burst(portid, 0,
pkts_burst, MAX_PKT_BURST);
port_statistics[portid].rx += nb_rx;
l2fwd_simple_forward(m, portid);
}
}
+ /* >8 End of read packet from RX queues. */
}
}
static int
-l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
+l2fwd_launch_one_lcore(__rte_unused void *dummy)
{
l2fwd_main_loop();
return 0;
static void
l2fwd_usage(const char *prgname)
{
- printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
+ printf("%s [EAL options] -- -p PORTMASK [-P] [-q NQ]\n"
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+ " -P : Enable promiscuous mode\n"
" -q NQ: number of queue (=ports) per lcore (default is 1)\n"
- " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
+ " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
+ " --no-mac-updating: 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"
+ " --portmap: Configure forwarding port pair mapping\n"
+ " Default: alternate port pairs\n\n",
prgname);
}
/* parse hexadecimal string */
pm = strtoul(portmask, &end, 16);
if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
- return -1;
-
- if (pm == 0)
- return -1;
+ return 0;
return pm;
}
+static int
+l2fwd_parse_port_pair_config(const char *q_arg)
+{
+ enum fieldnames {
+ FLD_PORT1 = 0,
+ FLD_PORT2,
+ _NUM_FLD
+ };
+ unsigned long int_fld[_NUM_FLD];
+ const char *p, *p0 = q_arg;
+ char *str_fld[_NUM_FLD];
+ unsigned int size;
+ char s[256];
+ char *end;
+ int i;
+
+ nb_port_pair_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] ||
+ int_fld[i] >= RTE_MAX_ETHPORTS)
+ return -1;
+ }
+ if (nb_port_pair_params >= RTE_MAX_ETHPORTS/2) {
+ printf("exceeded max number of port pair params: %hu\n",
+ nb_port_pair_params);
+ return -1;
+ }
+ port_pair_params_array[nb_port_pair_params].port[0] =
+ (uint16_t)int_fld[FLD_PORT1];
+ port_pair_params_array[nb_port_pair_params].port[1] =
+ (uint16_t)int_fld[FLD_PORT2];
+ ++nb_port_pair_params;
+ }
+ port_pair_params = port_pair_params_array;
+ return 0;
+}
+
static unsigned int
l2fwd_parse_nqueue(const char *q_arg)
{
return n;
}
+static const char short_options[] =
+ "p:" /* portmask */
+ "P" /* promiscuous */
+ "q:" /* number of queues */
+ "T:" /* timer period */
+ ;
+
+#define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
+#define CMD_LINE_OPT_PORTMAP_CONFIG "portmap"
+
+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_NO_MAC_UPDATING_NUM = 256,
+ CMD_LINE_OPT_PORTMAP_NUM,
+};
+
+static const struct option lgopts[] = {
+ { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, 0,
+ CMD_LINE_OPT_NO_MAC_UPDATING_NUM},
+ { CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM},
+ {NULL, 0, 0, 0}
+};
+
/* Parse the argument given in the command line of the application */
static int
l2fwd_parse_args(int argc, char **argv)
{
- int opt, ret;
+ int opt, ret, timer_secs;
char **argvopt;
int option_index;
char *prgname = argv[0];
- static struct option lgopts[] = {
- {NULL, 0, 0, 0}
- };
argvopt = argv;
+ port_pair_params = NULL;
- while ((opt = getopt_long(argc, argvopt, "p:q:T:",
+ while ((opt = getopt_long(argc, argvopt, short_options,
lgopts, &option_index)) != EOF) {
switch (opt) {
return -1;
}
break;
+ case 'P':
+ promiscuous_on = 1;
+ break;
/* nqueue */
case 'q':
/* timer period */
case 'T':
- timer_period = l2fwd_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
- if (timer_period < 0) {
+ timer_secs = l2fwd_parse_timer_period(optarg);
+ if (timer_secs < 0) {
printf("invalid timer period\n");
l2fwd_usage(prgname);
return -1;
}
+ timer_period = timer_secs;
break;
/* long options */
- case 0:
- l2fwd_usage(prgname);
- return -1;
+ case CMD_LINE_OPT_PORTMAP_NUM:
+ ret = l2fwd_parse_port_pair_config(optarg);
+ if (ret) {
+ fprintf(stderr, "Invalid config\n");
+ l2fwd_usage(prgname);
+ return -1;
+ }
+ break;
+
+ case CMD_LINE_OPT_NO_MAC_UPDATING_NUM:
+ mac_updating = 0;
+ break;
default:
l2fwd_usage(prgname);
argv[optind-1] = prgname;
ret = optind-1;
- optind = 0; /* reset getopt lib */
+ optind = 1; /* reset getopt lib */
return ret;
}
+/*
+ * Check port pair config with enabled port mask,
+ * and for valid port pair combinations.
+ */
+static int
+check_port_pair_config(void)
+{
+ uint32_t port_pair_config_mask = 0;
+ uint32_t port_pair_mask = 0;
+ uint16_t index, i, portid;
+
+ for (index = 0; index < nb_port_pair_params; index++) {
+ port_pair_mask = 0;
+
+ for (i = 0; i < NUM_PORTS; i++) {
+ portid = port_pair_params[index].port[i];
+ if ((l2fwd_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;
+ }
+
+ port_pair_mask |= 1 << portid;
+ }
+
+ if (port_pair_config_mask & port_pair_mask) {
+ printf("port %u is used in other port pairs\n", portid);
+ return -1;
+ }
+ port_pair_config_mask |= port_pair_mask;
+ }
+
+ l2fwd_enabled_port_mask &= port_pair_config_mask;
+
+ return 0;
+}
+
/* 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)
+check_all_ports_link_status(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;
+ uint16_t portid;
+ uint8_t count, all_ports_up, print_flag = 0;
struct rte_eth_link link;
+ int ret;
+ char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
printf("\nChecking link status");
fflush(stdout);
for (count = 0; count <= MAX_CHECK_TIME; count++) {
+ if (force_quit)
+ return;
all_ports_up = 1;
- for (portid = 0; portid < port_num; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
+ if (force_quit)
+ return;
if ((port_mask & (1 << portid)) == 0)
continue;
memset(&link, 0, sizeof(link));
- rte_eth_link_get_nowait(portid, &link);
+ ret = rte_eth_link_get_nowait(portid, &link);
+ if (ret < 0) {
+ all_ports_up = 0;
+ if (print_flag == 1)
+ printf("Port %u link get failed: %s\n",
+ portid, rte_strerror(-ret));
+ continue;
+ }
/* 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);
+ rte_eth_link_to_str(link_status_text,
+ sizeof(link_status_text), &link);
+ printf("Port %d %s\n", portid,
+ link_status_text);
continue;
}
/* clear all_ports_up flag if any link down */
- if (link.link_status == 0) {
+ if (link.link_status == RTE_ETH_LINK_DOWN) {
all_ports_up = 0;
break;
}
}
}
+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)
+main(int argc, char **argv)
{
struct lcore_queue_conf *qconf;
- struct rte_eth_dev_info dev_info;
int ret;
- uint8_t nb_ports;
- uint8_t nb_ports_available;
- uint8_t portid, last_port;
+ uint16_t nb_ports;
+ uint16_t nb_ports_available = 0;
+ uint16_t portid, last_port;
unsigned lcore_id, rx_lcore_id;
unsigned nb_ports_in_mask = 0;
+ unsigned int nb_lcores = 0;
+ unsigned int nb_mbufs;
- /* init EAL */
+ /* Init EAL. 8< */
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);
+
/* parse application arguments (after the EAL ones) */
ret = l2fwd_parse_args(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
+ /* >8 End of init EAL. */
- /* create the mbuf pool */
- l2fwd_pktmbuf_pool =
- rte_mempool_create("mbuf_pool", NB_MBUF,
- MBUF_SIZE, 32,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL,
- rte_pktmbuf_init, NULL,
- rte_socket_id(), 0);
- if (l2fwd_pktmbuf_pool == NULL)
- rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
-
- /* init driver(s) */
- if (rte_pmd_init_all() < 0)
- rte_exit(EXIT_FAILURE, "Cannot init pmd\n");
+ printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
- if (rte_eal_pci_probe() < 0)
- rte_exit(EXIT_FAILURE, "Cannot probe PCI\n");
+ /* convert to number of cycles */
+ timer_period *= rte_get_timer_hz();
- nb_ports = rte_eth_dev_count();
+ nb_ports = rte_eth_dev_count_avail();
if (nb_ports == 0)
rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
- if (nb_ports > RTE_MAX_ETHPORTS)
- nb_ports = RTE_MAX_ETHPORTS;
+ if (port_pair_params != NULL) {
+ if (check_port_pair_config() < 0)
+ rte_exit(EXIT_FAILURE, "Invalid port pair config\n");
+ }
+
+ /* check port mask to possible port mask */
+ if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1))
+ rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n",
+ (1 << nb_ports) - 1);
+
+ /* Initialization of the driver. 8< */
/* reset l2fwd_dst_ports */
for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
l2fwd_dst_ports[portid] = 0;
last_port = 0;
- /*
- * Each logical core is assigned a dedicated TX queue on each port.
- */
- for (portid = 0; portid < nb_ports; portid++) {
- /* skip ports that are not enabled */
- if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
- continue;
+ /* populate destination port details */
+ if (port_pair_params != NULL) {
+ uint16_t idx, p;
- if (nb_ports_in_mask % 2) {
- l2fwd_dst_ports[portid] = last_port;
- l2fwd_dst_ports[last_port] = portid;
+ for (idx = 0; idx < (nb_port_pair_params << 1); idx++) {
+ p = idx & 1;
+ portid = port_pair_params[idx >> 1].port[p];
+ l2fwd_dst_ports[portid] =
+ port_pair_params[idx >> 1].port[p ^ 1];
}
- else
- last_port = portid;
+ } else {
+ RTE_ETH_FOREACH_DEV(portid) {
+ /* skip ports that are not enabled */
+ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
+ continue;
- nb_ports_in_mask++;
+ if (nb_ports_in_mask % 2) {
+ l2fwd_dst_ports[portid] = last_port;
+ l2fwd_dst_ports[last_port] = portid;
+ } else {
+ last_port = portid;
+ }
- rte_eth_dev_info_get(portid, &dev_info);
- }
- if (nb_ports_in_mask % 2) {
- printf("Notice: odd number of ports in portmask.\n");
- l2fwd_dst_ports[last_port] = last_port;
+ nb_ports_in_mask++;
+ }
+ if (nb_ports_in_mask % 2) {
+ printf("Notice: odd number of ports in portmask.\n");
+ l2fwd_dst_ports[last_port] = last_port;
+ }
}
+ /* >8 End of initialization of the driver. */
rx_lcore_id = 0;
qconf = NULL;
/* Initialize the port/queue configuration of each logical core */
- for (portid = 0; portid < nb_ports; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
/* skip ports that are not enabled */
if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
continue;
rte_exit(EXIT_FAILURE, "Not enough cores\n");
}
- if (qconf != &lcore_queue_conf[rx_lcore_id])
+ if (qconf != &lcore_queue_conf[rx_lcore_id]) {
/* Assigned a new logical core in the loop above. */
qconf = &lcore_queue_conf[rx_lcore_id];
+ nb_lcores++;
+ }
qconf->rx_port_list[qconf->n_rx_port] = portid;
qconf->n_rx_port++;
- printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
+ printf("Lcore %u: RX port %u TX port %u\n", rx_lcore_id,
+ portid, l2fwd_dst_ports[portid]);
}
- nb_ports_available = nb_ports;
+ nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST +
+ nb_lcores * MEMPOOL_CACHE_SIZE), 8192U);
+
+ /* Create the mbuf pool. 8< */
+ l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
+ MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
+ rte_socket_id());
+ if (l2fwd_pktmbuf_pool == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+ /* >8 End of create the mbuf pool. */
/* Initialise each port */
- for (portid = 0; portid < nb_ports; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
+ 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;
+
/* skip ports that are not enabled */
if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
- printf("Skipping disabled port %u\n", (unsigned) portid);
- nb_ports_available--;
+ printf("Skipping disabled port %u\n", portid);
continue;
}
+ nb_ports_available++;
+
/* init port */
- printf("Initializing port %u... ", (unsigned) portid);
+ printf("Initializing port %u... ", portid);
fflush(stdout);
- ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
+
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ portid, strerror(-ret));
+
+ if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
+ /* Configure the number of queues for a port. */
+ ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
- ret, (unsigned) portid);
+ ret, portid);
+ /* >8 End of configuration of the number of queues for a port. */
- rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[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);
+
+ ret = rte_eth_macaddr_get(portid,
+ &l2fwd_ports_eth_addr[portid]);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot get MAC address: err=%d, port=%u\n",
+ ret, portid);
/* init one RX queue */
fflush(stdout);
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = local_port_conf.rxmode.offloads;
+ /* RX queue setup. 8< */
ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
- rte_eth_dev_socket_id(portid), &rx_conf,
+ rte_eth_dev_socket_id(portid),
+ &rxq_conf,
l2fwd_pktmbuf_pool);
if (ret < 0)
rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
- ret, (unsigned) portid);
+ ret, portid);
+ /* >8 End of RX queue setup. */
- /* init one TX queue on each port */
+ /* Init one TX queue on each port. 8< */
fflush(stdout);
+ 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), &tx_conf);
+ 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, (unsigned) portid);
+ ret, portid);
+ /* >8 End of init one TX queue on each port. */
+
+ /* 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);
+
+ ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
+ rte_eth_tx_buffer_count_callback,
+ &port_statistics[portid].dropped);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot set error callback for tx buffer on port %u\n",
+ portid);
+ ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL,
+ 0);
+ if (ret < 0)
+ printf("Port %u, Failed to disable Ptype parsing\n",
+ portid);
/* 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, (unsigned) portid);
+ ret, portid);
printf("done: \n");
+ if (promiscuous_on) {
+ ret = rte_eth_promiscuous_enable(portid);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "rte_eth_promiscuous_enable:err=%s, port=%u\n",
+ rte_strerror(-ret), portid);
+ }
- rte_eth_promiscuous_enable(portid);
-
- printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
- (unsigned) portid,
- l2fwd_ports_eth_addr[portid].addr_bytes[0],
- l2fwd_ports_eth_addr[portid].addr_bytes[1],
- l2fwd_ports_eth_addr[portid].addr_bytes[2],
- l2fwd_ports_eth_addr[portid].addr_bytes[3],
- l2fwd_ports_eth_addr[portid].addr_bytes[4],
- l2fwd_ports_eth_addr[portid].addr_bytes[5]);
+ printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
+ portid,
+ RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
/* initialize port stats */
memset(&port_statistics, 0, sizeof(port_statistics));
"All available ports are disabled. Please set portmask.\n");
}
- check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
+ check_all_ports_link_status(l2fwd_enabled_port_mask);
+ ret = 0;
/* launch per-lcore init on every lcore */
- rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- if (rte_eal_wait_lcore(lcore_id) < 0)
- return -1;
+ rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MAIN);
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
+ if (rte_eal_wait_lcore(lcore_id) < 0) {
+ ret = -1;
+ break;
+ }
}
- return 0;
-}
+ RTE_ETH_FOREACH_DEV(portid) {
+ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
+ continue;
+ printf("Closing port %d...", portid);
+ ret = rte_eth_dev_stop(portid);
+ if (ret != 0)
+ printf("rte_eth_dev_stop: err=%d, port=%d\n",
+ ret, portid);
+ rte_eth_dev_close(portid);
+ printf(" Done\n");
+ }
+
+ /* clean up the EAL */
+ rte_eal_cleanup();
+ printf("Bye...\n");
+ return ret;
+}