[net-next-2.6.git] / include / net / regulatory.h

#ifndef __NET_REGULATORY_H
#define __NET_REGULATORY_H
/*
 * regulatory support structures
 *
 * Copyright 2008-2009	Luis R. Rodriguez <lrodriguez@atheros.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */


/**
 * enum environment_cap - Environment parsed from country IE
 * @ENVIRON_ANY: indicates country IE applies to both indoor and
 *	outdoor operation.
 * @ENVIRON_INDOOR: indicates country IE applies only to indoor operation
 * @ENVIRON_OUTDOOR: indicates country IE applies only to outdoor operation
 */
enum environment_cap {
	ENVIRON_ANY,
	ENVIRON_INDOOR,
	ENVIRON_OUTDOOR,
};

/**
 * struct regulatory_request - used to keep track of regulatory requests
 *
 * @wiphy_idx: this is set if this request's initiator is
 * 	%REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
 * 	can be used by the wireless core to deal with conflicts
 * 	and potentially inform users of which devices specifically
 * 	cased the conflicts.
 * @initiator: indicates who sent this request, could be any of
 * 	of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
 * @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
 * 	regulatory domain. We have a few special codes:
 * 	00 - World regulatory domain
 * 	99 - built by driver but a specific alpha2 cannot be determined
 * 	98 - result of an intersection between two regulatory domains
 *	97 - regulatory domain has not yet been configured
 * @intersect: indicates whether the wireless core should intersect
 * 	the requested regulatory domain with the presently set regulatory
 * 	domain.
 * @country_ie_checksum: checksum of the last processed and accepted
 * 	country IE
 * @country_ie_env: lets us know if the AP is telling us we are outdoor,
 * 	indoor, or if it doesn't matter
 * @list: used to insert into the reg_requests_list linked list
 */
struct regulatory_request {
	int wiphy_idx;
	enum nl80211_reg_initiator initiator;
	char alpha2[2];
	bool intersect;
	u32 country_ie_checksum;
	enum environment_cap country_ie_env;
	struct list_head list;
};

struct ieee80211_freq_range {
	u32 start_freq_khz;
	u32 end_freq_khz;
	u32 max_bandwidth_khz;
};

struct ieee80211_power_rule {
	u32 max_antenna_gain;
	u32 max_eirp;
};

struct ieee80211_reg_rule {
	struct ieee80211_freq_range freq_range;
	struct ieee80211_power_rule power_rule;
	u32 flags;
};

struct ieee80211_regdomain {
	u32 n_reg_rules;
	char alpha2[2];
	struct ieee80211_reg_rule reg_rules[];
};

#define MHZ_TO_KHZ(freq) ((freq) * 1000)
#define KHZ_TO_MHZ(freq) ((freq) / 1000)
#define DBI_TO_MBI(gain) ((gain) * 100)
#define MBI_TO_DBI(gain) ((gain) / 100)
#define DBM_TO_MBM(gain) ((gain) * 100)
#define MBM_TO_DBM(gain) ((gain) / 100)

#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \
{							\
	.freq_range.start_freq_khz = MHZ_TO_KHZ(start),	\
	.freq_range.end_freq_khz = MHZ_TO_KHZ(end),	\
	.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw),	\
	.power_rule.max_antenna_gain = DBI_TO_MBI(gain),\
	.power_rule.max_eirp = DBM_TO_MBM(eirp),	\
	.flags = reg_flags,				\
}

#endif
Commit	Line	Data
d3236553 JB	1	#ifndef __NET_REGULATORY_H
	2	#define __NET_REGULATORY_H
	3	/*
	4	* regulatory support structures
	5	*
	6	* Copyright 2008-2009 Luis R. Rodriguez <lrodriguez@atheros.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13
	14	/**
	15	* enum environment_cap - Environment parsed from country IE
	16	* @ENVIRON_ANY: indicates country IE applies to both indoor and
	17	* outdoor operation.
	18	* @ENVIRON_INDOOR: indicates country IE applies only to indoor operation
	19	* @ENVIRON_OUTDOOR: indicates country IE applies only to outdoor operation
	20	*/
	21	enum environment_cap {
	22	ENVIRON_ANY,
	23	ENVIRON_INDOOR,
	24	ENVIRON_OUTDOOR,
	25	};
	26
	27	/**
	28	* struct regulatory_request - used to keep track of regulatory requests
	29	*
	30	* @wiphy_idx: this is set if this request's initiator is
	31	* %REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
	32	* can be used by the wireless core to deal with conflicts
	33	* and potentially inform users of which devices specifically
	34	* cased the conflicts.
	35	* @initiator: indicates who sent this request, could be any of
	36	* of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
	37	* @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
	38	* regulatory domain. We have a few special codes:
	39	* 00 - World regulatory domain
	40	* 99 - built by driver but a specific alpha2 cannot be determined
	41	* 98 - result of an intersection between two regulatory domains
09d989d1	42	* 97 - regulatory domain has not yet been configured
d3236553 JB	43	* @intersect: indicates whether the wireless core should intersect
	44	* the requested regulatory domain with the presently set regulatory
	45	* domain.
	46	* @country_ie_checksum: checksum of the last processed and accepted
	47	* country IE
	48	* @country_ie_env: lets us know if the AP is telling us we are outdoor,
	49	* indoor, or if it doesn't matter
	50	* @list: used to insert into the reg_requests_list linked list
	51	*/
	52	struct regulatory_request {
	53	int wiphy_idx;
	54	enum nl80211_reg_initiator initiator;
	55	char alpha2[2];
	56	bool intersect;
	57	u32 country_ie_checksum;
	58	enum environment_cap country_ie_env;
	59	struct list_head list;
	60	};
	61
	62	struct ieee80211_freq_range {
	63	u32 start_freq_khz;
	64	u32 end_freq_khz;
	65	u32 max_bandwidth_khz;
	66	};
	67
	68	struct ieee80211_power_rule {
	69	u32 max_antenna_gain;
	70	u32 max_eirp;
	71	};
	72
	73	struct ieee80211_reg_rule {
	74	struct ieee80211_freq_range freq_range;
	75	struct ieee80211_power_rule power_rule;
	76	u32 flags;
	77	};
	78
	79	struct ieee80211_regdomain {
	80	u32 n_reg_rules;
	81	char alpha2[2];
	82	struct ieee80211_reg_rule reg_rules[];
	83	};
	84
	85	#define MHZ_TO_KHZ(freq) ((freq) * 1000)
	86	#define KHZ_TO_MHZ(freq) ((freq) / 1000)
	87	#define DBI_TO_MBI(gain) ((gain) * 100)
	88	#define MBI_TO_DBI(gain) ((gain) / 100)
	89	#define DBM_TO_MBM(gain) ((gain) * 100)
	90	#define MBM_TO_DBM(gain) ((gain) / 100)
	91
	92	#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \
	93	{ \
	94	.freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
	95	.freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
	96	.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
	97	.power_rule.max_antenna_gain = DBI_TO_MBI(gain),\
	98	.power_rule.max_eirp = DBM_TO_MBM(eirp), \
	99	.flags = reg_flags, \
	100	}
	101
	102	#endif