--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 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 <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_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_ip.h>
+#include <rte_tcp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+#include <rte_string_fns.h>
+#include <rte_cfgfile.h>
+
+#include "main.h"
+
+struct app_params app;
+
+static const char usage[] =
+ "Usage: %s EAL_OPTIONS-- -p PORT_MASK [-f CONFIG_FILE]\n";
+
+void
+app_print_usage(char *prgname)
+{
+ printf(usage, prgname);
+}
+
+const char *
+app_core_type_id_to_string(enum app_core_type id)
+{
+ switch (id) {
+ case APP_CORE_NONE: return "NONE";
+ case APP_CORE_MASTER: return "MASTER";
+ case APP_CORE_RX: return "RX";
+ case APP_CORE_TX: return "TX";
+ case APP_CORE_PT: return "PT";
+ case APP_CORE_FC: return "FC";
+ case APP_CORE_FW: return "FW";
+ case APP_CORE_RT: return "RT";
+ case APP_CORE_TM: return "TM";
+ case APP_CORE_IPV4_FRAG: return "IPV4_FRAG";
+ case APP_CORE_IPV4_RAS: return "IPV4_RAS";
+ default: return NULL;
+ }
+}
+
+int
+app_core_type_string_to_id(const char *string, enum app_core_type *id)
+{
+ if (strcmp(string, "NONE") == 0) {
+ *id = APP_CORE_NONE;
+ return 0;
+ }
+ if (strcmp(string, "MASTER") == 0) {
+ *id = APP_CORE_MASTER;
+ return 0;
+ }
+ if (strcmp(string, "RX") == 0) {
+ *id = APP_CORE_RX;
+ return 0;
+ }
+ if (strcmp(string, "TX") == 0) {
+ *id = APP_CORE_TX;
+ return 0;
+ }
+ if (strcmp(string, "PT") == 0) {
+ *id = APP_CORE_PT;
+ return 0;
+ }
+ if (strcmp(string, "FC") == 0) {
+ *id = APP_CORE_FC;
+ return 0;
+ }
+ if (strcmp(string, "FW") == 0) {
+ *id = APP_CORE_FW;
+ return 0;
+ }
+ if (strcmp(string, "RT") == 0) {
+ *id = APP_CORE_RT;
+ return 0;
+ }
+ if (strcmp(string, "TM") == 0) {
+ *id = APP_CORE_TM;
+ return 0;
+ }
+ if (strcmp(string, "IPV4_FRAG") == 0) {
+ *id = APP_CORE_IPV4_FRAG;
+ return 0;
+ }
+ if (strcmp(string, "IPV4_RAS") == 0) {
+ *id = APP_CORE_IPV4_RAS;
+ return 0;
+ }
+
+ return -1;
+}
+
+static uint64_t
+app_get_core_mask(void)
+{
+ uint64_t core_mask = 0;
+ uint32_t i;
+
+ for (i = 0; i < RTE_MAX_LCORE; i++) {
+ if (rte_lcore_is_enabled(i) == 0)
+ continue;
+
+ core_mask |= 1LLU << i;
+ }
+
+ return core_mask;
+}
+
+static int
+app_install_coremask(uint64_t core_mask)
+{
+ uint32_t n_cores, i;
+
+ for (n_cores = 0, i = 0; i < RTE_MAX_LCORE; i++)
+ if (app.cores[i].core_type != APP_CORE_NONE)
+ n_cores++;
+
+ if (n_cores != app.n_cores) {
+ rte_panic("Number of cores in COREMASK should be %u instead "
+ "of %u\n", n_cores, app.n_cores);
+ return -1;
+ }
+
+ for (i = 0; i < RTE_MAX_LCORE; i++) {
+ uint32_t core_id;
+
+ if (app.cores[i].core_type == APP_CORE_NONE)
+ continue;
+
+ core_id = __builtin_ctzll(core_mask);
+ core_mask &= ~(1LLU << core_id);
+
+ app.cores[i].core_id = core_id;
+ }
+
+ return 0;
+}
+static int
+app_install_cfgfile(const char *file_name)
+{
+ struct rte_cfgfile *file;
+ uint32_t n_cores, i;
+
+ memset(app.cores, 0, sizeof(app.cores));
+
+ if (file_name[0] == '\0')
+ return -1;
+
+ file = rte_cfgfile_load(file_name, 0);
+ if (file == NULL) {
+ rte_panic("Config file %s not found\n", file_name);
+ return -1;
+ }
+
+ n_cores = (uint32_t) rte_cfgfile_num_sections(file, "core",
+ strnlen("core", 5));
+ if (n_cores < app.n_cores) {
+ rte_panic("Config file parse error: not enough cores specified "
+ "(%u cores missing)\n", app.n_cores - n_cores);
+ return -1;
+ }
+ if (n_cores > app.n_cores) {
+ rte_panic("Config file parse error: too many cores specified "
+ "(%u cores too many)\n", n_cores - app.n_cores);
+ return -1;
+ }
+
+ for (i = 0; i < n_cores; i++) {
+ struct app_core_params *p = &app.cores[i];
+ char section_name[16];
+ const char *entry;
+ uint32_t j;
+
+ /* [core X] */
+ rte_snprintf(section_name, sizeof(section_name), "core %u", i);
+ if (!rte_cfgfile_has_section(file, section_name)) {
+ rte_panic("Config file parse error: core IDs are not "
+ "sequential (core %u missing)\n", i);
+ return -1;
+ }
+
+ /* type */
+ entry = rte_cfgfile_get_entry(file, section_name, "type");
+ if (!entry) {
+ rte_panic("Config file parse error: core %u type not "
+ "defined\n", i);
+ return -1;
+ }
+ if ((app_core_type_string_to_id(entry, &p->core_type) != 0) ||
+ (p->core_type == APP_CORE_NONE)) {
+ rte_panic("Config file parse error: core %u type "
+ "error\n", i);
+ return -1;
+ }
+
+ /* queues in */
+ entry = rte_cfgfile_get_entry(file, section_name, "queues in");
+ if (!entry) {
+ rte_panic("Config file parse error: core %u queues in "
+ "not defined\n", i);
+ return -1;
+ }
+
+ for (j = 0; (j < APP_MAX_SWQ_PER_CORE) && (entry != NULL);
+ j++) {
+ char *next;
+
+ p->swq_in[j] = (uint32_t) strtol(entry, &next, 10);
+ if (next == entry)
+ break;
+ entry = next;
+ }
+
+ if ((j != APP_MAX_SWQ_PER_CORE) || (*entry != '\0')) {
+ rte_panic("Config file parse error: core %u queues in "
+ "error\n", i);
+ return -1;
+ }
+
+ /* queues out */
+ entry = rte_cfgfile_get_entry(file, section_name, "queues out");
+ if (!entry) {
+ rte_panic("Config file parse error: core %u queues out "
+ "not defined\n", i);
+ return -1;
+ }
+
+ for (j = 0; (j < APP_MAX_SWQ_PER_CORE) && (entry != NULL);
+ j++) {
+ char *next;
+
+ p->swq_out[j] = (uint32_t) strtol(entry, &next, 10);
+ if (next == entry)
+ break;
+ entry = next;
+ }
+ if ((j != APP_MAX_SWQ_PER_CORE) || (*entry != '\0')) {
+ rte_panic("Config file parse error: core %u queues out "
+ "error\n", i);
+ return -1;
+ }
+ }
+
+ rte_cfgfile_close(file);
+
+ return 0;
+}
+
+void app_cores_config_print(void)
+{
+ uint32_t i;
+
+ for (i = 0; i < RTE_MAX_LCORE; i++) {
+ struct app_core_params *p = &app.cores[i];
+ uint32_t j;
+
+ if (app.cores[i].core_type == APP_CORE_NONE)
+ continue;
+
+ printf("---> core %u: id = %u type = %6s [", i, p->core_id,
+ app_core_type_id_to_string(p->core_type));
+ for (j = 0; j < APP_MAX_SWQ_PER_CORE; j++)
+ printf("%2d ", (int) p->swq_in[j]);
+
+ printf("] [");
+ for (j = 0; j < APP_MAX_SWQ_PER_CORE; j++)
+ printf("%2d ", (int) p->swq_out[j]);
+
+ printf("]\n");
+ }
+}
+
+static int
+app_install_port_mask(const char *arg)
+{
+ char *end = NULL;
+ uint64_t port_mask;
+ uint32_t i;
+
+ if (arg[0] == '\0')
+ return -1;
+
+ port_mask = strtoul(arg, &end, 16);
+ if ((end == NULL) || (*end != '\0'))
+ return -2;
+
+ if (port_mask == 0)
+ return -3;
+
+ app.n_ports = 0;
+ for (i = 0; i < 64; i++) {
+ if ((port_mask & (1LLU << i)) == 0)
+ continue;
+
+ if (app.n_ports >= APP_MAX_PORTS)
+ return -4;
+
+ app.ports[app.n_ports] = i;
+ app.n_ports++;
+ }
+
+ if (!rte_is_power_of_2(app.n_ports))
+ return -5;
+
+ return 0;
+}
+
+int
+app_parse_args(int argc, char **argv)
+{
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+ static struct option lgopts[] = {
+ {NULL, 0, 0, 0}
+ };
+ uint64_t core_mask = app_get_core_mask();
+
+ app.n_cores = __builtin_popcountll(core_mask);
+
+ argvopt = argv;
+ while ((opt = getopt_long(argc, argvopt, "p:f:", lgopts,
+ &option_index)) != EOF) {
+ switch (opt) {
+ case 'p':
+ if (app_install_port_mask(optarg) != 0)
+ rte_panic("PORT_MASK should specify a number "
+ "of ports that is power of 2 less or "
+ "equal to %u\n", APP_MAX_PORTS);
+ break;
+
+ case 'f':
+ app_install_cfgfile(optarg);
+ break;
+
+ default:
+ return -1;
+ }
+ }
+
+ app_install_coremask(core_mask);
+
+ app_cores_config_print();
+
+ if (optind >= 0)
+ argv[optind - 1] = prgname;
+
+ ret = optind - 1;
+ optind = 0; /* reset getopt lib */
+
+ return ret;
+}