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#ifndef REG_LIB_H
#define REG_LIB_H
#include <stdlib.h>
#include <stdint.h>
#include "regdb.h"
/* Common regulatory structures, functions and helpers */
/* This matches the kernel's data structures */
struct ieee80211_freq_range {
uint32_t start_freq_khz;
uint32_t end_freq_khz;
uint32_t max_bandwidth_khz;
};
struct ieee80211_power_rule {
uint32_t max_antenna_gain;
uint32_t max_eirp;
};
struct ieee80211_reg_rule {
struct ieee80211_freq_range freq_range;
struct ieee80211_power_rule power_rule;
uint32_t flags;
};
struct ieee80211_regdomain {
uint32_t n_reg_rules;
char alpha2[2];
uint8_t dfs_region;
struct ieee80211_reg_rule reg_rules[];
};
static inline int is_world_regdom(const char *alpha2)
{
if (alpha2[0] == '0' && alpha2[1] == '0')
return 1;
return 0;
}
static inline int isalpha_upper(char letter)
{
if (letter >= 'A' && letter <= 'Z')
return 1;
return 0;
}
static inline int is_alpha2(const char *alpha2)
{
if (isalpha_upper(alpha2[0]) && isalpha_upper(alpha2[1]))
return 1;
return 0;
}
static inline int is_valid_regdom(const char *alpha2)
{
if (!is_alpha2(alpha2) && !is_world_regdom(alpha2))
return 0;
return 1;
}
static inline uint32_t max(uint32_t a, uint32_t b)
{
return (a > b) ? a : b;
}
static inline uint32_t min(uint32_t a, uint32_t b)
{
return (a > b) ? b : a;
}
void *crda_get_file_ptr(uint8_t *db, int dblen, int structlen, uint32_t ptr);
int crda_verify_db_signature(uint8_t *db, int dblen, int siglen);
/* File reg db entry -> rd converstion utilities */
struct ieee80211_regdomain *country2rd(uint8_t *db, int dblen,
struct regdb_file_reg_country *country);
struct ieee80211_regdomain *
reglib_get_country_idx(unsigned int idx, const char *file);
#define reglib_for_each_country(__rd, __idx, __file) \
for (__rd = reglib_get_country_idx(__idx, __file); \
__rd != NULL; \
__rd = reglib_get_country_idx(__idx, __file), \
__idx++)
struct ieee80211_regdomain *
reglib_get_country_alpha2(const char *alpha2, const char *file);
/* reg helpers */
void print_regdom(struct ieee80211_regdomain *rd);
#endif
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