int
rte_cfgfile_has_entry(struct rte_cfgfile *cfg, const char *sectionname,
const char *entryname)
{
return rte_cfgfile_get_entry(cfg, sectionname, entryname) != NULL;
}
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] */
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;
}