1 #ifndef __NET_REGULATORY_H
2 #define __NET_REGULATORY_H
4 * regulatory support structures
6 * Copyright 2008-2009 Luis R. Rodriguez <lrodriguez@atheros.com>
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.
15 * enum environment_cap - Environment parsed from country IE
16 * @ENVIRON_ANY: indicates country IE applies to both indoor and
18 * @ENVIRON_INDOOR: indicates country IE applies only to indoor operation
19 * @ENVIRON_OUTDOOR: indicates country IE applies only to outdoor operation
21 enum environment_cap {
28 * struct regulatory_request - used to keep track of regulatory requests
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
42 * @intersect: indicates whether the wireless core should intersect
43 * the requested regulatory domain with the presently set regulatory
45 * @country_ie_checksum: checksum of the last processed and accepted
47 * @country_ie_env: lets us know if the AP is telling us we are outdoor,
48 * indoor, or if it doesn't matter
49 * @list: used to insert into the reg_requests_list linked list
51 struct regulatory_request {
53 enum nl80211_reg_initiator initiator;
56 u32 country_ie_checksum;
57 enum environment_cap country_ie_env;
58 struct list_head list;
61 struct ieee80211_freq_range {
64 u32 max_bandwidth_khz;
67 struct ieee80211_power_rule {
72 struct ieee80211_reg_rule {
73 struct ieee80211_freq_range freq_range;
74 struct ieee80211_power_rule power_rule;
78 struct ieee80211_regdomain {
81 struct ieee80211_reg_rule reg_rules[];
84 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
85 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
86 #define DBI_TO_MBI(gain) ((gain) * 100)
87 #define MBI_TO_DBI(gain) ((gain) / 100)
88 #define DBM_TO_MBM(gain) ((gain) * 100)
89 #define MBM_TO_DBM(gain) ((gain) / 100)
91 #define REG_RULE(start, end, bw, gain, eirp, reg_flags) \
93 .freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
94 .freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
95 .freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
96 .power_rule.max_antenna_gain = DBI_TO_MBI(gain),\
97 .power_rule.max_eirp = DBM_TO_MBM(eirp), \