#ifndef REG_LIB_H #define REG_LIB_H #include #include /* 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); struct ieee80211_regdomain * reglib_get_rd_idx(unsigned int idx, const char *file); #define reglib_for_each_country(__rd, __idx, __file) \ for (__rd = reglib_get_rd_idx(__idx, __file); \ __rd != NULL; \ __rd = reglib_get_rd_idx(__idx, __file), \ __idx++) struct ieee80211_regdomain * reglib_get_rd_alpha2(const char *alpha2, const char *file); /* reg helpers */ void print_regdom(struct ieee80211_regdomain *rd); #endif