#ifndef __NET_REGULATORY_H#define __NET_REGULATORY_H/* * regulatory support structures * * Copyright 2008-2009	Luis R. Rodriguez <mcgrof@qca.qualcomm.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */  /** * 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 * @dfs_region: If CRDA responded with a regulatory domain that requires *	DFS master operation on a known DFS region (NL80211_DFS_*), *	dfs_region represents that region. Drivers can use this and the *	@alpha2 to adjust their device's DFS parameters as required. * @intersect: indicates whether the wireless core should intersect * 	the requested regulatory domain with the presently set regulatory * 	domain. * @processed: indicates whether or not this requests has already been *	processed. When the last request is processed it means that the *	currently regulatory domain set on cfg80211 is updated from *	CRDA and can be used by other regulatory requests. When a *	the last request is not yet processed we must yield until it *	is processed before processing any new requests. * @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];	u8 dfs_region;	bool intersect;	bool processed;	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];	u8 dfs_region;	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