152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
#ifndef REG_DB_H
|
|
#define REG_DB_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/*
|
|
* WARNING: This file needs to be kept in sync with
|
|
* - the parser (dbparse.py)
|
|
* - the generator code (db2bin.py)
|
|
*
|
|
* As it is only Linux is using these so we have a direct one to
|
|
* one map for flags. Each respective OS flag is listed where
|
|
* appropriate.
|
|
*/
|
|
|
|
/* spells "RGDB" */
|
|
#define REGDB_MAGIC 0x52474442
|
|
|
|
/*
|
|
* Only supported version now, start at arbitrary number
|
|
* to have some more magic. We still consider this to be
|
|
* "Version 1" of the file.
|
|
*/
|
|
#define REGDB_VERSION 19
|
|
|
|
/*
|
|
* The signature at the end of the file is an RSA-signed
|
|
* SHA-1 hash of the file.
|
|
*/
|
|
|
|
/* db file starts with a struct regdb_file_header */
|
|
|
|
struct regdb_file_header {
|
|
/* must be REGDB_MAGIC */
|
|
uint32_t magic;
|
|
/* must be REGDB_VERSION */
|
|
uint32_t version;
|
|
/*
|
|
* Pointer (offset) into file where country list starts
|
|
* and number of countries. The country list is sorted
|
|
* alphabetically to allow binary searching (should it
|
|
* become really huge). Each country is described by a
|
|
* struct regdb_file_reg_country.
|
|
*/
|
|
uint32_t reg_country_ptr;
|
|
uint32_t reg_country_num;
|
|
/* length (in bytes) of the signature at the end of the file */
|
|
uint32_t signature_length;
|
|
};
|
|
|
|
struct regdb_file_freq_range {
|
|
uint32_t start_freq, /* in kHz */
|
|
end_freq, /* in kHz */
|
|
max_bandwidth; /* in kHz */
|
|
};
|
|
|
|
/*
|
|
* Values of zero mean "not applicable", i.e. the regulatory
|
|
* does not limit a certain value.
|
|
*/
|
|
struct regdb_file_power_rule {
|
|
/* antenna gain is in mBi (100 * dBi) */
|
|
uint32_t max_antenna_gain;
|
|
/* this is in mBm (100 * dBm) */
|
|
uint32_t max_eirp;
|
|
};
|
|
|
|
/*
|
|
* The Linux map defined in <linux/uapi/nl80211.h> enum nl80211_reg_rule_flags
|
|
*/
|
|
enum reg_rule_flags {
|
|
RRF_NO_OFDM = 1<<0, /* OFDM modulation not allowed */
|
|
RRF_NO_CCK = 1<<1, /* CCK modulation not allowed */
|
|
RRF_NO_INDOOR = 1<<2, /* indoor operation not allowed */
|
|
RRF_NO_OUTDOOR = 1<<3, /* outdoor operation not allowed */
|
|
RRF_DFS = 1<<4, /* DFS support is required to be
|
|
* used */
|
|
RRF_PTP_ONLY = 1<<5, /* this is only for Point To Point
|
|
* links */
|
|
RRF_PTMP_ONLY = 1<<6, /* this is only for Point To Multi
|
|
* Point links */
|
|
RRF_NO_IR = 1<<7, /* do not initiate radiation */
|
|
__RRF_NO_IBSS = 1<<8, /* old no-IBSS rule, maps to no-ir */
|
|
RRF_AUTO_BW = 1<<11, /* Auto BW calculations */
|
|
};
|
|
|
|
#define RRF_NO_IR_ALL (RRF_NO_IR | __RRF_NO_IBSS)
|
|
|
|
/**
|
|
* enum regdb_dfs_regions - regulatory DFS regions
|
|
*
|
|
* @REGDB_DFS_UNSET: Country has no DFS master region specified
|
|
* @REGDB_DFS_FCC: Country follows DFS master rules from FCC
|
|
* @REGDB_DFS_ETSI: Country follows DFS master rules from ETSI
|
|
* @REGDB_DFS_JP: Country follows DFS master rules from JP/MKK/Telec
|
|
*/
|
|
enum regdb_dfs_regions {
|
|
REGDB_DFS_UNSET = 0,
|
|
REGDB_DFS_FCC = 1,
|
|
REGDB_DFS_ETSI = 2,
|
|
REGDB_DFS_JP = 3,
|
|
};
|
|
|
|
struct regdb_file_reg_rule {
|
|
/* pointers (offsets) into the file */
|
|
uint32_t freq_range_ptr; /* pointer to a struct regdb_file_freq_range */
|
|
uint32_t power_rule_ptr; /* pointer to a struct regdb_file_power_rule */
|
|
/* rule flags using enum reg_rule_flags */
|
|
uint32_t flags;
|
|
};
|
|
|
|
struct regdb_file_reg_rules_collection {
|
|
uint32_t reg_rule_num;
|
|
/* pointers (offsets) into the file. There are reg_rule_num elements
|
|
* in the reg_rule_ptrs array pointing to struct
|
|
* regdb_file_reg_rule */
|
|
uint32_t reg_rule_ptrs[];
|
|
};
|
|
|
|
struct regdb_file_reg_country {
|
|
uint8_t alpha2[2];
|
|
uint8_t PAD;
|
|
uint8_t creqs; /* first two bits define DFS region */
|
|
/* pointer (offset) into the file to a struct
|
|
* regdb_file_reg_rules_collection */
|
|
uint32_t reg_collection_ptr;
|
|
};
|
|
|
|
|
|
/*
|
|
* Verify that no unexpected padding is added to structures
|
|
* for some reason.
|
|
*/
|
|
|
|
#define ERROR_ON(cond) \
|
|
((void)sizeof(char[1 - 2*!!(cond)]))
|
|
|
|
#define CHECK_STRUCT(name, size) \
|
|
ERROR_ON(sizeof(struct name) != size)
|
|
|
|
static inline void check_db_binary_structs(void)
|
|
{
|
|
CHECK_STRUCT(regdb_file_header, 20);
|
|
CHECK_STRUCT(regdb_file_freq_range, 12);
|
|
CHECK_STRUCT(regdb_file_power_rule, 8);
|
|
CHECK_STRUCT(regdb_file_reg_rule, 12);
|
|
CHECK_STRUCT(regdb_file_reg_rules_collection, 4);
|
|
CHECK_STRUCT(regdb_file_reg_country, 8);
|
|
}
|
|
|
|
#endif
|