-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <sys/types.h>
-#include <string.h>
-#include <sys/queue.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <getopt.h>
-
-#include <rte_common.h>
-#include <rte_byteorder.h>
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memcpy.h>
-#include <rte_eal.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_random.h>
-#include <rte_debug.h>
-#include <rte_ether.h>
-#include <rte_ethdev.h>
-#include <rte_mempool.h>
-#include <rte_mbuf.h>
-#include <rte_ip.h>
-#include <rte_tcp.h>
-#include <rte_lpm.h>
-#include <rte_string_fns.h>
-
-#include "main.h"
-
-struct app_params app;
-
-static const char usage[] =
-" \n"
-" load_balancer <EAL PARAMS> -- <APP PARAMS> \n"
-" \n"
-"Application manadatory parameters: \n"
-" --rx \"(PORT, QUEUE, LCORE), ...\" : List of NIC RX ports and queues \n"
-" handled by the I/O RX lcores \n"
-" --tx \"(PORT, LCORE), ...\" : List of NIC TX ports handled by the I/O TX \n"
-" lcores \n"
-" --w \"LCORE, ...\" : List of the worker lcores \n"
-" --lpm \"IP / PREFIX => PORT; ...\" : List of LPM rules used by the worker \n"
-" lcores for packet forwarding \n"
-" \n"
-"Application optional parameters: \n"
-" --rsz \"A, B, C, D\" : Ring sizes \n"
-" A = Size (in number of buffer descriptors) of each of the NIC RX \n"
-" rings read by the I/O RX lcores (default value is %u) \n"
-" B = Size (in number of elements) of each of the SW rings used by the\n"
-" I/O RX lcores to send packets to worker lcores (default value is\n"
-" %u) \n"
-" C = Size (in number of elements) of each of the SW rings used by the\n"
-" worker lcores to send packets to I/O TX lcores (default value is\n"
-" %u) \n"
-" D = Size (in number of buffer descriptors) of each of the NIC TX \n"
-" rings written by I/O TX lcores (default value is %u) \n"
-" --bsz \"(A, B), (C, D), (E, F)\" : Burst sizes \n"
-" A = I/O RX lcore read burst size from NIC RX (default value is %u) \n"
-" B = I/O RX lcore write burst size to output SW rings (default value \n"
-" is %u) \n"
-" C = Worker lcore read burst size from input SW rings (default value \n"
-" is %u) \n"
-" D = Worker lcore write burst size to output SW rings (default value \n"
-" is %u) \n"
-" E = I/O TX lcore read burst size from input SW rings (default value \n"
-" is %u) \n"
-" F = I/O TX lcore write burst size to NIC TX (default value is %u) \n"
-" --pos-lb POS : Position of the 1-byte field within the input packet used by\n"
-" the I/O RX lcores to identify the worker lcore for the current \n"
-" packet (default value is %u) \n";
-
-void
-app_print_usage(void)
-{
- printf(usage,
- APP_DEFAULT_NIC_RX_RING_SIZE,
- APP_DEFAULT_RING_RX_SIZE,
- APP_DEFAULT_RING_TX_SIZE,
- APP_DEFAULT_NIC_TX_RING_SIZE,
- APP_DEFAULT_BURST_SIZE_IO_RX_READ,
- APP_DEFAULT_BURST_SIZE_IO_RX_WRITE,
- APP_DEFAULT_BURST_SIZE_WORKER_READ,
- APP_DEFAULT_BURST_SIZE_WORKER_WRITE,
- APP_DEFAULT_BURST_SIZE_IO_TX_READ,
- APP_DEFAULT_BURST_SIZE_IO_TX_WRITE,
- APP_DEFAULT_IO_RX_LB_POS
- );
-}
-
-#ifndef APP_ARG_RX_MAX_CHARS
-#define APP_ARG_RX_MAX_CHARS 4096
-#endif
-
-#ifndef APP_ARG_RX_MAX_TUPLES
-#define APP_ARG_RX_MAX_TUPLES 128
-#endif
-
-static int
-str_to_unsigned_array(
- const char *s, size_t sbuflen,
- char separator,
- unsigned num_vals,
- unsigned *vals)
-{
- char str[sbuflen+1];
- char *splits[num_vals];
- char *endptr = NULL;
- int i, num_splits = 0;
-
- /* copy s so we don't modify original string */
- strlcpy(str, s, sizeof(str));
- num_splits = rte_strsplit(str, sizeof(str), splits, num_vals, separator);
-
- errno = 0;
- for (i = 0; i < num_splits; i++) {
- vals[i] = strtoul(splits[i], &endptr, 0);
- if (errno != 0 || *endptr != '\0')
- return -1;
- }
-
- return num_splits;
-}
-
-static int
-str_to_unsigned_vals(
- const char *s,
- size_t sbuflen,
- char separator,
- unsigned num_vals, ...)
-{
- unsigned i, vals[num_vals];
- va_list ap;
-
- num_vals = str_to_unsigned_array(s, sbuflen, separator, num_vals, vals);
-
- va_start(ap, num_vals);
- for (i = 0; i < num_vals; i++) {
- unsigned *u = va_arg(ap, unsigned *);
- *u = vals[i];
- }
- va_end(ap);
- return num_vals;
-}
-
-static int
-parse_arg_rx(const char *arg)
-{
- const char *p0 = arg, *p = arg;
- uint32_t n_tuples;
-
- if (strnlen(arg, APP_ARG_RX_MAX_CHARS + 1) == APP_ARG_RX_MAX_CHARS + 1) {
- return -1;
- }
-
- n_tuples = 0;
- while ((p = strchr(p0,'(')) != NULL) {
- struct app_lcore_params *lp;
- uint32_t port, queue, lcore, i;
-
- p0 = strchr(p++, ')');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, ',', 3, &port, &queue, &lcore) != 3)) {
- return -2;
- }
-
- /* Enable port and queue for later initialization */
- if ((port >= APP_MAX_NIC_PORTS) || (queue >= APP_MAX_RX_QUEUES_PER_NIC_PORT)) {
- return -3;
- }
- if (app.nic_rx_queue_mask[port][queue] != 0) {
- return -4;
- }
- app.nic_rx_queue_mask[port][queue] = 1;
-
- /* Check and assign (port, queue) to I/O lcore */
- if (rte_lcore_is_enabled(lcore) == 0) {
- return -5;
- }
-
- if (lcore >= APP_MAX_LCORES) {
- return -6;
- }
- lp = &app.lcore_params[lcore];
- if (lp->type == e_APP_LCORE_WORKER) {
- return -7;
- }
- lp->type = e_APP_LCORE_IO;
- const size_t n_queues = RTE_MIN(lp->io.rx.n_nic_queues,
- RTE_DIM(lp->io.rx.nic_queues));
- for (i = 0; i < n_queues; i ++) {
- if ((lp->io.rx.nic_queues[i].port == port) &&
- (lp->io.rx.nic_queues[i].queue == queue)) {
- return -8;
- }
- }
- if (lp->io.rx.n_nic_queues >= APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE) {
- return -9;
- }
- lp->io.rx.nic_queues[lp->io.rx.n_nic_queues].port = port;
- lp->io.rx.nic_queues[lp->io.rx.n_nic_queues].queue = (uint8_t) queue;
- lp->io.rx.n_nic_queues ++;
-
- n_tuples ++;
- if (n_tuples > APP_ARG_RX_MAX_TUPLES) {
- return -10;
- }
- }
-
- if (n_tuples == 0) {
- return -11;
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_TX_MAX_CHARS
-#define APP_ARG_TX_MAX_CHARS 4096
-#endif
-
-#ifndef APP_ARG_TX_MAX_TUPLES
-#define APP_ARG_TX_MAX_TUPLES 128
-#endif
-
-static int
-parse_arg_tx(const char *arg)
-{
- const char *p0 = arg, *p = arg;
- uint32_t n_tuples;
-
- if (strnlen(arg, APP_ARG_TX_MAX_CHARS + 1) == APP_ARG_TX_MAX_CHARS + 1) {
- return -1;
- }
-
- n_tuples = 0;
- while ((p = strchr(p0,'(')) != NULL) {
- struct app_lcore_params *lp;
- uint32_t port, lcore, i;
-
- p0 = strchr(p++, ')');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, ',', 2, &port, &lcore) != 2)) {
- return -2;
- }
-
- /* Enable port and queue for later initialization */
- if (port >= APP_MAX_NIC_PORTS) {
- return -3;
- }
- if (app.nic_tx_port_mask[port] != 0) {
- return -4;
- }
- app.nic_tx_port_mask[port] = 1;
-
- /* Check and assign (port, queue) to I/O lcore */
- if (rte_lcore_is_enabled(lcore) == 0) {
- return -5;
- }
-
- if (lcore >= APP_MAX_LCORES) {
- return -6;
- }
- lp = &app.lcore_params[lcore];
- if (lp->type == e_APP_LCORE_WORKER) {
- return -7;
- }
- lp->type = e_APP_LCORE_IO;
- const size_t n_ports = RTE_MIN(lp->io.tx.n_nic_ports,
- RTE_DIM(lp->io.tx.nic_ports));
- for (i = 0; i < n_ports; i ++) {
- if (lp->io.tx.nic_ports[i] == port) {
- return -8;
- }
- }
- if (lp->io.tx.n_nic_ports >= APP_MAX_NIC_TX_PORTS_PER_IO_LCORE) {
- return -9;
- }
- lp->io.tx.nic_ports[lp->io.tx.n_nic_ports] = port;
- lp->io.tx.n_nic_ports ++;
-
- n_tuples ++;
- if (n_tuples > APP_ARG_TX_MAX_TUPLES) {
- return -10;
- }
- }
-
- if (n_tuples == 0) {
- return -11;
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_W_MAX_CHARS
-#define APP_ARG_W_MAX_CHARS 4096
-#endif
-
-#ifndef APP_ARG_W_MAX_TUPLES
-#define APP_ARG_W_MAX_TUPLES APP_MAX_WORKER_LCORES
-#endif
-
-static int
-parse_arg_w(const char *arg)
-{
- const char *p = arg;
- uint32_t n_tuples;
-
- if (strnlen(arg, APP_ARG_W_MAX_CHARS + 1) == APP_ARG_W_MAX_CHARS + 1) {
- return -1;
- }
-
- n_tuples = 0;
- while (*p != 0) {
- struct app_lcore_params *lp;
- uint32_t lcore;
-
- errno = 0;
- lcore = strtoul(p, NULL, 0);
- if (errno != 0) {
- return -2;
- }
-
- /* Check and enable worker lcore */
- if (rte_lcore_is_enabled(lcore) == 0) {
- return -3;
- }
-
- if (lcore >= APP_MAX_LCORES) {
- return -4;
- }
- lp = &app.lcore_params[lcore];
- if (lp->type == e_APP_LCORE_IO) {
- return -5;
- }
- lp->type = e_APP_LCORE_WORKER;
-
- n_tuples ++;
- if (n_tuples > APP_ARG_W_MAX_TUPLES) {
- return -6;
- }
-
- p = strchr(p, ',');
- if (p == NULL) {
- break;
- }
- p ++;
- }
-
- if (n_tuples == 0) {
- return -7;
- }
-
- if ((n_tuples & (n_tuples - 1)) != 0) {
- return -8;
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_LPM_MAX_CHARS
-#define APP_ARG_LPM_MAX_CHARS 4096
-#endif
-
-static int
-parse_arg_lpm(const char *arg)
-{
- const char *p = arg, *p0;
-
- if (strnlen(arg, APP_ARG_LPM_MAX_CHARS + 1) == APP_ARG_TX_MAX_CHARS + 1) {
- return -1;
- }
-
- while (*p != 0) {
- uint32_t ip_a, ip_b, ip_c, ip_d, ip, depth, if_out;
- char *endptr;
-
- p0 = strchr(p, '/');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, '.', 4, &ip_a, &ip_b, &ip_c, &ip_d) != 4)) {
- return -2;
- }
-
- p = p0 + 1;
- errno = 0;
- depth = strtoul(p, &endptr, 0);
- if (errno != 0 || *endptr != '=') {
- return -3;
- }
- p = strchr(p, '>');
- if (p == NULL) {
- return -4;
- }
- if_out = strtoul(++p, &endptr, 0);
- if (errno != 0 || (*endptr != '\0' && *endptr != ';')) {
- return -5;
- }
-
- if ((ip_a >= 256) || (ip_b >= 256) || (ip_c >= 256) || (ip_d >= 256) ||
- (depth == 0) || (depth >= 32) ||
- (if_out >= APP_MAX_NIC_PORTS)) {
- return -6;
- }
- ip = (ip_a << 24) | (ip_b << 16) | (ip_c << 8) | ip_d;
-
- if (app.n_lpm_rules >= APP_MAX_LPM_RULES) {
- return -7;
- }
- app.lpm_rules[app.n_lpm_rules].ip = ip;
- app.lpm_rules[app.n_lpm_rules].depth = (uint8_t) depth;
- app.lpm_rules[app.n_lpm_rules].if_out = (uint8_t) if_out;
- app.n_lpm_rules ++;
-
- p = strchr(p, ';');
- if (p == NULL) {
- return -8;
- }
- p ++;
- }
-
- if (app.n_lpm_rules == 0) {
- return -9;
- }
-
- return 0;
-}
-
-static int
-app_check_lpm_table(void)
-{
- uint32_t rule;
-
- /* For each rule, check that the output I/F is enabled */
- for (rule = 0; rule < app.n_lpm_rules; rule ++)
- {
- uint32_t port = app.lpm_rules[rule].if_out;
-
- if (app.nic_tx_port_mask[port] == 0) {
- return -1;
- }
- }
-
- return 0;
-}
-
-static int
-app_check_every_rx_port_is_tx_enabled(void)
-{
- uint16_t port;
-
- for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
- if ((app_get_nic_rx_queues_per_port(port) > 0) && (app.nic_tx_port_mask[port] == 0)) {
- return -1;
- }
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_RSZ_CHARS
-#define APP_ARG_RSZ_CHARS 63
-#endif
-
-static int
-parse_arg_rsz(const char *arg)
-{
- if (strnlen(arg, APP_ARG_RSZ_CHARS + 1) == APP_ARG_RSZ_CHARS + 1) {
- return -1;
- }
-
- if (str_to_unsigned_vals(arg, APP_ARG_RSZ_CHARS, ',', 4,
- &app.nic_rx_ring_size,
- &app.ring_rx_size,
- &app.ring_tx_size,
- &app.nic_tx_ring_size) != 4)
- return -2;
-
-
- if ((app.nic_rx_ring_size == 0) ||
- (app.nic_tx_ring_size == 0) ||
- (app.ring_rx_size == 0) ||
- (app.ring_tx_size == 0)) {
- return -3;
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_BSZ_CHARS
-#define APP_ARG_BSZ_CHARS 63
-#endif
-
-static int
-parse_arg_bsz(const char *arg)
-{
- const char *p = arg, *p0;
- if (strnlen(arg, APP_ARG_BSZ_CHARS + 1) == APP_ARG_BSZ_CHARS + 1) {
- return -1;
- }
-
- p0 = strchr(p++, ')');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_io_rx_read, &app.burst_size_io_rx_write) != 2)) {
- return -2;
- }
-
- p = strchr(p0, '(');
- if (p == NULL) {
- return -3;
- }
-
- p0 = strchr(p++, ')');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_worker_read, &app.burst_size_worker_write) != 2)) {
- return -4;
- }
-
- p = strchr(p0, '(');
- if (p == NULL) {
- return -5;
- }
-
- p0 = strchr(p++, ')');
- if ((p0 == NULL) ||
- (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_io_tx_read, &app.burst_size_io_tx_write) != 2)) {
- return -6;
- }
-
- if ((app.burst_size_io_rx_read == 0) ||
- (app.burst_size_io_rx_write == 0) ||
- (app.burst_size_worker_read == 0) ||
- (app.burst_size_worker_write == 0) ||
- (app.burst_size_io_tx_read == 0) ||
- (app.burst_size_io_tx_write == 0)) {
- return -7;
- }
-
- if ((app.burst_size_io_rx_read > APP_MBUF_ARRAY_SIZE) ||
- (app.burst_size_io_rx_write > APP_MBUF_ARRAY_SIZE) ||
- (app.burst_size_worker_read > APP_MBUF_ARRAY_SIZE) ||
- (app.burst_size_worker_write > APP_MBUF_ARRAY_SIZE) ||
- ((2 * app.burst_size_io_tx_read) > APP_MBUF_ARRAY_SIZE) ||
- (app.burst_size_io_tx_write > APP_MBUF_ARRAY_SIZE)) {
- return -8;
- }
-
- return 0;
-}
-
-#ifndef APP_ARG_NUMERICAL_SIZE_CHARS
-#define APP_ARG_NUMERICAL_SIZE_CHARS 15
-#endif
-
-static int
-parse_arg_pos_lb(const char *arg)
-{
- uint32_t x;
- char *endpt;
-
- if (strnlen(arg, APP_ARG_NUMERICAL_SIZE_CHARS + 1) == APP_ARG_NUMERICAL_SIZE_CHARS + 1) {
- return -1;
- }
-
- errno = 0;
- x = strtoul(arg, &endpt, 10);
- if (errno != 0 || endpt == arg || *endpt != '\0'){
- return -2;
- }
-
- if (x >= 64) {
- return -3;
- }
-
- app.pos_lb = (uint8_t) x;
-
- return 0;
-}
-
-/* Parse the argument given in the command line of the application */
-int
-app_parse_args(int argc, char **argv)
-{
- int opt, ret;
- char **argvopt;
- int option_index;
- char *prgname = argv[0];
- static struct option lgopts[] = {
- {"rx", 1, 0, 0},
- {"tx", 1, 0, 0},
- {"w", 1, 0, 0},
- {"lpm", 1, 0, 0},
- {"rsz", 1, 0, 0},
- {"bsz", 1, 0, 0},
- {"pos-lb", 1, 0, 0},
- {NULL, 0, 0, 0}
- };
- uint32_t arg_w = 0;
- uint32_t arg_rx = 0;
- uint32_t arg_tx = 0;
- uint32_t arg_lpm = 0;
- uint32_t arg_rsz = 0;
- uint32_t arg_bsz = 0;
- uint32_t arg_pos_lb = 0;
-
- argvopt = argv;
-
- while ((opt = getopt_long(argc, argvopt, "",
- lgopts, &option_index)) != EOF) {
-
- switch (opt) {
- /* long options */
- case 0:
- if (!strcmp(lgopts[option_index].name, "rx")) {
- arg_rx = 1;
- ret = parse_arg_rx(optarg);
- if (ret) {
- printf("Incorrect value for --rx argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "tx")) {
- arg_tx = 1;
- ret = parse_arg_tx(optarg);
- if (ret) {
- printf("Incorrect value for --tx argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "w")) {
- arg_w = 1;
- ret = parse_arg_w(optarg);
- if (ret) {
- printf("Incorrect value for --w argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "lpm")) {
- arg_lpm = 1;
- ret = parse_arg_lpm(optarg);
- if (ret) {
- printf("Incorrect value for --lpm argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "rsz")) {
- arg_rsz = 1;
- ret = parse_arg_rsz(optarg);
- if (ret) {
- printf("Incorrect value for --rsz argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "bsz")) {
- arg_bsz = 1;
- ret = parse_arg_bsz(optarg);
- if (ret) {
- printf("Incorrect value for --bsz argument (%d)\n", ret);
- return -1;
- }
- }
- if (!strcmp(lgopts[option_index].name, "pos-lb")) {
- arg_pos_lb = 1;
- ret = parse_arg_pos_lb(optarg);
- if (ret) {
- printf("Incorrect value for --pos-lb argument (%d)\n", ret);
- return -1;
- }
- }
- break;
-
- default:
- return -1;
- }
- }
-
- /* Check that all mandatory arguments are provided */
- if ((arg_rx == 0) || (arg_tx == 0) || (arg_w == 0) || (arg_lpm == 0)){
- printf("Not all mandatory arguments are present\n");
- return -1;
- }
-
- /* Assign default values for the optional arguments not provided */
- if (arg_rsz == 0) {
- app.nic_rx_ring_size = APP_DEFAULT_NIC_RX_RING_SIZE;
- app.nic_tx_ring_size = APP_DEFAULT_NIC_TX_RING_SIZE;
- app.ring_rx_size = APP_DEFAULT_RING_RX_SIZE;
- app.ring_tx_size = APP_DEFAULT_RING_TX_SIZE;
- }
-
- if (arg_bsz == 0) {
- app.burst_size_io_rx_read = APP_DEFAULT_BURST_SIZE_IO_RX_READ;
- app.burst_size_io_rx_write = APP_DEFAULT_BURST_SIZE_IO_RX_WRITE;
- app.burst_size_io_tx_read = APP_DEFAULT_BURST_SIZE_IO_TX_READ;
- app.burst_size_io_tx_write = APP_DEFAULT_BURST_SIZE_IO_TX_WRITE;
- app.burst_size_worker_read = APP_DEFAULT_BURST_SIZE_WORKER_READ;
- app.burst_size_worker_write = APP_DEFAULT_BURST_SIZE_WORKER_WRITE;
- }
-
- if (arg_pos_lb == 0) {
- app.pos_lb = APP_DEFAULT_IO_RX_LB_POS;
- }
-
- /* Check cross-consistency of arguments */
- if ((ret = app_check_lpm_table()) < 0) {
- printf("At least one LPM rule is inconsistent (%d)\n", ret);
- return -1;
- }
- if (app_check_every_rx_port_is_tx_enabled() < 0) {
- printf("On LPM lookup miss, packet is sent back on the input port.\n");
- printf("At least one RX port is not enabled for TX.\n");
- return -2;
- }
-
- if (optind >= 0)
- argv[optind - 1] = prgname;
-
- ret = optind - 1;
- optind = 1; /* reset getopt lib */
- return ret;
-}
-
-int
-app_get_nic_rx_queues_per_port(uint16_t port)
-{
- uint32_t i, count;
-
- if (port >= APP_MAX_NIC_PORTS) {
- return -1;
- }
-
- count = 0;
- for (i = 0; i < APP_MAX_RX_QUEUES_PER_NIC_PORT; i ++) {
- if (app.nic_rx_queue_mask[port][i] == 1) {
- count ++;
- }
- }
-
- return count;
-}
-
-int
-app_get_lcore_for_nic_rx(uint16_t port, uint8_t queue, uint32_t *lcore_out)
-{
- uint32_t lcore;
-
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
- uint32_t i;
-
- if (app.lcore_params[lcore].type != e_APP_LCORE_IO) {
- continue;
- }
-
- const size_t n_queues = RTE_MIN(lp->rx.n_nic_queues,
- RTE_DIM(lp->rx.nic_queues));
- for (i = 0; i < n_queues; i ++) {
- if ((lp->rx.nic_queues[i].port == port) &&
- (lp->rx.nic_queues[i].queue == queue)) {
- *lcore_out = lcore;
- return 0;
- }
- }
- }
-
- return -1;
-}
-
-int
-app_get_lcore_for_nic_tx(uint16_t port, uint32_t *lcore_out)
-{
- uint32_t lcore;
-
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
- uint32_t i;
-
- if (app.lcore_params[lcore].type != e_APP_LCORE_IO) {
- continue;
- }
-
- const size_t n_ports = RTE_MIN(lp->tx.n_nic_ports,
- RTE_DIM(lp->tx.nic_ports));
- for (i = 0; i < n_ports; i ++) {
- if (lp->tx.nic_ports[i] == port) {
- *lcore_out = lcore;
- return 0;
- }
- }
- }
-
- return -1;
-}
-
-int
-app_is_socket_used(uint32_t socket)
-{
- uint32_t lcore;
-
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- if (app.lcore_params[lcore].type == e_APP_LCORE_DISABLED) {
- continue;
- }
-
- if (socket == rte_lcore_to_socket_id(lcore)) {
- return 1;
- }
- }
-
- return 0;
-}
-
-uint32_t
-app_get_lcores_io_rx(void)
-{
- uint32_t lcore, count;
-
- count = 0;
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_io *lp_io = &app.lcore_params[lcore].io;
-
- if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
- (lp_io->rx.n_nic_queues == 0)) {
- continue;
- }
-
- count ++;
- }
-
- return count;
-}
-
-uint32_t
-app_get_lcores_worker(void)
-{
- uint32_t lcore, count;
-
- count = 0;
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
- continue;
- }
-
- count ++;
- }
-
- if (count > APP_MAX_WORKER_LCORES) {
- rte_panic("Algorithmic error (too many worker lcores)\n");
- return 0;
- }
-
- return count;
-}
-
-void
-app_print_params(void)
-{
- unsigned port, queue, lcore, rule, i, j;
-
- /* Print NIC RX configuration */
- printf("NIC RX ports: ");
- for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
- uint32_t n_rx_queues = app_get_nic_rx_queues_per_port(port);
-
- if (n_rx_queues == 0) {
- continue;
- }
-
- printf("%u (", port);
- for (queue = 0; queue < APP_MAX_RX_QUEUES_PER_NIC_PORT; queue ++) {
- if (app.nic_rx_queue_mask[port][queue] == 1) {
- printf("%u ", queue);
- }
- }
- printf(") ");
- }
- printf(";\n");
-
- /* Print I/O lcore RX params */
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
-
- if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
- (lp->rx.n_nic_queues == 0)) {
- continue;
- }
-
- printf("I/O lcore %u (socket %u): ", lcore, rte_lcore_to_socket_id(lcore));
-
- printf("RX ports ");
- for (i = 0; i < lp->rx.n_nic_queues; i ++) {
- printf("(%u, %u) ",
- (unsigned) lp->rx.nic_queues[i].port,
- (unsigned) lp->rx.nic_queues[i].queue);
- }
- printf("; ");
-
- printf("Output rings ");
- for (i = 0; i < lp->rx.n_rings; i ++) {
- printf("%p ", lp->rx.rings[i]);
- }
- printf(";\n");
- }
-
- /* Print worker lcore RX params */
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_worker *lp = &app.lcore_params[lcore].worker;
-
- if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
- continue;
- }
-
- printf("Worker lcore %u (socket %u) ID %u: ",
- lcore,
- rte_lcore_to_socket_id(lcore),
- (unsigned)lp->worker_id);
-
- printf("Input rings ");
- for (i = 0; i < lp->n_rings_in; i ++) {
- printf("%p ", lp->rings_in[i]);
- }
-
- printf(";\n");
- }
-
- printf("\n");
-
- /* Print NIC TX configuration */
- printf("NIC TX ports: ");
- for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
- if (app.nic_tx_port_mask[port] == 1) {
- printf("%u ", port);
- }
- }
- printf(";\n");
-
- /* Print I/O TX lcore params */
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
- uint32_t n_workers = app_get_lcores_worker();
-
- if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
- (lp->tx.n_nic_ports == 0)) {
- continue;
- }
-
- printf("I/O lcore %u (socket %u): ", lcore, rte_lcore_to_socket_id(lcore));
-
- printf("Input rings per TX port ");
- for (i = 0; i < lp->tx.n_nic_ports; i ++) {
- port = lp->tx.nic_ports[i];
-
- printf("%u (", port);
- for (j = 0; j < n_workers; j ++) {
- printf("%p ", lp->tx.rings[port][j]);
- }
- printf(") ");
-
- }
-
- printf(";\n");
- }
-
- /* Print worker lcore TX params */
- for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
- struct app_lcore_params_worker *lp = &app.lcore_params[lcore].worker;
-
- if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
- continue;
- }
-
- printf("Worker lcore %u (socket %u) ID %u: \n",
- lcore,
- rte_lcore_to_socket_id(lcore),
- (unsigned)lp->worker_id);
-
- printf("Output rings per TX port ");
- for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
- if (lp->rings_out[port] != NULL) {
- printf("%u (%p) ", port, lp->rings_out[port]);
- }
- }
-
- printf(";\n");
- }
-
- /* Print LPM rules */
- printf("LPM rules: \n");
- for (rule = 0; rule < app.n_lpm_rules; rule ++) {
- uint32_t ip = app.lpm_rules[rule].ip;
- uint8_t depth = app.lpm_rules[rule].depth;
- uint8_t if_out = app.lpm_rules[rule].if_out;
-
- printf("\t%u: %u.%u.%u.%u/%u => %u;\n",
- rule,
- (unsigned) (ip & 0xFF000000) >> 24,
- (unsigned) (ip & 0x00FF0000) >> 16,
- (unsigned) (ip & 0x0000FF00) >> 8,
- (unsigned) ip & 0x000000FF,
- (unsigned) depth,
- (unsigned) if_out
- );
- }
-
- /* Rings */
- printf("Ring sizes: NIC RX = %u; Worker in = %u; Worker out = %u; NIC TX = %u;\n",
- (unsigned) app.nic_rx_ring_size,
- (unsigned) app.ring_rx_size,
- (unsigned) app.ring_tx_size,
- (unsigned) app.nic_tx_ring_size);
-
- /* Bursts */
- printf("Burst sizes: I/O RX (rd = %u, wr = %u); Worker (rd = %u, wr = %u); I/O TX (rd = %u, wr = %u)\n",
- (unsigned) app.burst_size_io_rx_read,
- (unsigned) app.burst_size_io_rx_write,
- (unsigned) app.burst_size_worker_read,
- (unsigned) app.burst_size_worker_write,
- (unsigned) app.burst_size_io_tx_read,
- (unsigned) app.burst_size_io_tx_write);
-}