| #ifndef REG_LIB_H |
| #define REG_LIB_H |
| |
| #include <stdlib.h> |
| #include <stdint.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); |
| |
| 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 |