lib/librte_eal/common/rte_option.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation.
   3  */
   4
   5 #include <unistd.h>
   6 #include <string.h>
   7
   8 #include <rte_eal.h>
   9 #include <rte_option.h>
  10
  11 #include "eal_private.h"
  12
  13 TAILQ_HEAD(rte_option_list, rte_option);
  14
  15 struct rte_option_list rte_option_list =
  16         TAILQ_HEAD_INITIALIZER(rte_option_list);
  17
  18 static struct rte_option *option;
  19
  20 int
  21 rte_option_parse(const char *opt)
  22 {
  23         /* Check if the option is registered */
  24         TAILQ_FOREACH(option, &rte_option_list, next) {
  25                 if (strcmp(opt, option->opt_str) == 0) {
  26                         option->enabled = 1;
  27                         return 0;
  28                 }
  29         }
  30
  31         return -1;
  32 }
  33
  34 void __rte_experimental
  35 rte_option_register(struct rte_option *opt)
  36 {
  37         TAILQ_FOREACH(option, &rte_option_list, next) {
  38                 if (strcmp(opt->opt_str, option->opt_str) == 0)
  39                         RTE_LOG(INFO, EAL, "Option %s has already been registered.",
  40                                         opt->opt_str);
  41                         return;
  42         }
  43
  44         TAILQ_INSERT_HEAD(&rte_option_list, opt, next);
  45 }
  46
  47 void
  48 rte_option_init(void)
  49 {
  50         TAILQ_FOREACH(option, &rte_option_list, next) {
  51                 if (option->enabled)
  52                         option->cb();
  53         }
  54 }