config.h

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #ifndef __NETIFD_CONFIG_H
  15 #define __NETIFD_CONFIG_H
  16
  17 #include <libubox/blobmsg.h>
  18
  19 extern bool config_init;
  20
  21 enum config_param_type {
  22         CONFIG_PARAM_TYPE_SIMPLE,
  23         CONFIG_PARAM_TYPE_LIST,
  24         CONFIG_PARAM_TYPE_SECTION,
  25 };
  26
  27 union config_param_info {
  28         enum blobmsg_type type;
  29         struct config_params *section;
  30 };
  31
  32 struct config_param_list {
  33         int n_params, n_next;
  34
  35         const struct blobmsg_policy *params;
  36         const union config_param_info *info;
  37
  38         const struct config_param_list *next[];
  39 };
  40
  41 #ifndef BITS_PER_LONG
  42 #define BITS_PER_LONG (8 * sizeof(unsigned long))
  43 #endif
  44
  45 static inline void set_bit(unsigned long *bits, int bit)
  46 {
  47         bits[bit / BITS_PER_LONG] |= (1UL << (bit % BITS_PER_LONG));
  48 }
  49
  50 static inline bool test_bit(unsigned long *bits, int bit)
  51 {
  52         return !!(bits[bit / BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG)));
  53 }
  54
  55 void config_init_all(void);
  56 bool config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
  57                         const struct config_param_list *config);
  58 bool config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
  59                  const struct config_param_list *config, unsigned long *diff);
  60
  61 struct blob_attr *config_memdup(struct blob_attr *attr);
  62
  63 #endif