1 #ifndef __NET_WIRELESS_REG_H 1 #ifndef __NET_WIRELESS_REG_H
2 #define __NET_WIRELESS_REG_H 2 #define __NET_WIRELESS_REG_H
3 <<
4 #include <net/cfg80211.h> <<
5 <<
6 /* 3 /*
7 * Copyright 2008-2011 Luis R. Rodriguez <mcg 4 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
8 * Copyright (C) 2019, 2023 Intel Corporation <<
9 * 5 *
10 * Permission to use, copy, modify, and/or dis 6 * Permission to use, copy, modify, and/or distribute this software for any
11 * purpose with or without fee is hereby grant 7 * purpose with or without fee is hereby granted, provided that the above
12 * copyright notice and this permission notice 8 * copyright notice and this permission notice appear in all copies.
13 * 9 *
14 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AU 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SH 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUEN 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TOR 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 * OR IN CONNECTION WITH THE USE OR PERFORMANC 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 */ 17 */
22 18
23 enum ieee80211_regd_source { 19 enum ieee80211_regd_source {
24 REGD_SOURCE_INTERNAL_DB, 20 REGD_SOURCE_INTERNAL_DB,
25 REGD_SOURCE_CRDA, 21 REGD_SOURCE_CRDA,
26 REGD_SOURCE_CACHED, <<
27 }; 22 };
28 23
29 extern const struct ieee80211_regdomain __rcu 24 extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
30 25
31 bool reg_is_valid_request(const char *alpha2); 26 bool reg_is_valid_request(const char *alpha2);
32 bool is_world_regdom(const char *alpha2); 27 bool is_world_regdom(const char *alpha2);
33 bool reg_supported_dfs_region(enum nl80211_dfs 28 bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region);
34 enum nl80211_dfs_regions reg_get_dfs_region(st 29 enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy);
35 30
36 int regulatory_hint_user(const char *alpha2, 31 int regulatory_hint_user(const char *alpha2,
37 enum nl80211_user_reg 32 enum nl80211_user_reg_hint_type user_reg_hint_type);
38 33
39 /** 34 /**
40 * regulatory_hint_indoor - hint operation in 35 * regulatory_hint_indoor - hint operation in indoor env. or not
41 * @is_indoor: if true indicates that user spa 36 * @is_indoor: if true indicates that user space thinks that the
42 * device is operating in an indoor environmen 37 * device is operating in an indoor environment.
43 * @portid: the netlink port ID on which the h 38 * @portid: the netlink port ID on which the hint was given.
44 */ 39 */
45 void regulatory_hint_indoor(bool is_indoor, u3 !! 40 int regulatory_hint_indoor(bool is_indoor, u32 portid);
46 41
47 /** 42 /**
48 * regulatory_netlink_notify - notify on relea 43 * regulatory_netlink_notify - notify on released netlink socket
49 * @portid: the netlink socket port ID 44 * @portid: the netlink socket port ID
50 */ 45 */
51 void regulatory_netlink_notify(u32 portid); 46 void regulatory_netlink_notify(u32 portid);
52 47
53 void wiphy_regulatory_register(struct wiphy *w 48 void wiphy_regulatory_register(struct wiphy *wiphy);
54 void wiphy_regulatory_deregister(struct wiphy 49 void wiphy_regulatory_deregister(struct wiphy *wiphy);
55 50
56 int __init regulatory_init(void); 51 int __init regulatory_init(void);
57 void regulatory_exit(void); 52 void regulatory_exit(void);
58 53
59 int set_regdom(const struct ieee80211_regdomai 54 int set_regdom(const struct ieee80211_regdomain *rd,
60 enum ieee80211_regd_source regd 55 enum ieee80211_regd_source regd_src);
61 56
62 unsigned int reg_get_max_bandwidth(const struc 57 unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
63 const struc 58 const struct ieee80211_reg_rule *rule);
64 59
65 bool reg_last_request_cell_base(void); 60 bool reg_last_request_cell_base(void);
>> 61 const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy);
66 62
67 /** 63 /**
68 * regulatory_hint_found_beacon - hints a beac 64 * regulatory_hint_found_beacon - hints a beacon was found on a channel
69 * @wiphy: the wireless device where the beaco 65 * @wiphy: the wireless device where the beacon was found on
70 * @beacon_chan: the channel on which the beac 66 * @beacon_chan: the channel on which the beacon was found on
71 * @gfp: context flags 67 * @gfp: context flags
72 * 68 *
73 * This informs the wireless core that a beaco 69 * This informs the wireless core that a beacon from an AP was found on
74 * the channel provided. This allows the wirel 70 * the channel provided. This allows the wireless core to make educated
75 * guesses on regulatory to help with world ro 71 * guesses on regulatory to help with world roaming. This is only used for
76 * world roaming -- when we do not know our cu 72 * world roaming -- when we do not know our current location. This is
77 * only useful on channels 12, 13 and 14 on th 73 * only useful on channels 12, 13 and 14 on the 2 GHz band as channels
78 * 1-11 are already enabled by the world regul 74 * 1-11 are already enabled by the world regulatory domain; and on
79 * non-radar 5 GHz channels. 75 * non-radar 5 GHz channels.
80 * 76 *
81 * Drivers do not need to call this, cfg80211 77 * Drivers do not need to call this, cfg80211 will do it for after a scan
82 * on a newly found BSS. If you cannot make us 78 * on a newly found BSS. If you cannot make use of this feature you can
83 * set the wiphy->disable_beacon_hints to true 79 * set the wiphy->disable_beacon_hints to true.
84 */ 80 */
85 void regulatory_hint_found_beacon(struct wiphy !! 81 int regulatory_hint_found_beacon(struct wiphy *wiphy,
86 struct ieee8 !! 82 struct ieee80211_channel *beacon_chan,
87 gfp_t gfp); !! 83 gfp_t gfp);
88 84
89 /** 85 /**
90 * regulatory_hint_country_ie - hints a countr 86 * regulatory_hint_country_ie - hints a country IE as a regulatory domain
91 * @wiphy: the wireless device giving the hint 87 * @wiphy: the wireless device giving the hint (used only for reporting
92 * conflicts) 88 * conflicts)
93 * @band: the band on which the country IE was 89 * @band: the band on which the country IE was received on. This determines
94 * the band we'll process the country IE 90 * the band we'll process the country IE channel triplets for.
95 * @country_ie: pointer to the country IE 91 * @country_ie: pointer to the country IE
96 * @country_ie_len: length of the country IE 92 * @country_ie_len: length of the country IE
97 * 93 *
98 * We will intersect the rd with the what CRDA 94 * We will intersect the rd with the what CRDA tells us should apply
99 * for the alpha2 this country IE belongs to, 95 * for the alpha2 this country IE belongs to, this prevents APs from
100 * sending us incorrect or outdated informatio 96 * sending us incorrect or outdated information against a country.
101 * 97 *
102 * The AP is expected to provide Country IE ch 98 * The AP is expected to provide Country IE channel triplets for the
103 * band it is on. It is technically possible f 99 * band it is on. It is technically possible for APs to send channel
104 * country IE triplets even for channels outsi 100 * country IE triplets even for channels outside of the band they are
105 * in but for that they would have to use the 101 * in but for that they would have to use the regulatory extension
106 * in combination with a triplet but this beha 102 * in combination with a triplet but this behaviour is currently
107 * not observed. For this reason if a triplet 103 * not observed. For this reason if a triplet is seen with channel
108 * information for a band the BSS is not prese 104 * information for a band the BSS is not present in it will be ignored.
109 */ 105 */
110 void regulatory_hint_country_ie(struct wiphy * 106 void regulatory_hint_country_ie(struct wiphy *wiphy,
111 enum nl80211_band ban !! 107 enum ieee80211_band band,
112 const u8 *country_ie, 108 const u8 *country_ie,
113 u8 country_ie_len); 109 u8 country_ie_len);
114 110
115 /** 111 /**
116 * regulatory_hint_disconnect - informs all de !! 112 * regulatory_hint_disconnect - informs all devices have been disconneted
117 * 113 *
118 * Regulotory rules can be enhanced further up 114 * Regulotory rules can be enhanced further upon scanning and upon
119 * connection to an AP. These rules become sta 115 * connection to an AP. These rules become stale if we disconnect
120 * and go to another country, whether or not w 116 * and go to another country, whether or not we suspend and resume.
121 * If we suspend, go to another country and re 117 * If we suspend, go to another country and resume we'll automatically
122 * get disconnected shortly after resuming and 118 * get disconnected shortly after resuming and things will be reset as well.
123 * This routine is a helper to restore regulat 119 * This routine is a helper to restore regulatory settings to how they were
124 * prior to our first connect attempt. This in 120 * prior to our first connect attempt. This includes ignoring country IE and
125 * beacon regulatory hints. The ieee80211_regd 121 * beacon regulatory hints. The ieee80211_regdom module parameter will always
126 * be respected but if a user had set the regu 122 * be respected but if a user had set the regulatory domain that will take
127 * precedence. 123 * precedence.
128 * 124 *
129 * Must be called from process context. 125 * Must be called from process context.
130 */ 126 */
131 void regulatory_hint_disconnect(void); 127 void regulatory_hint_disconnect(void);
132 128
133 /** 129 /**
134 * cfg80211_get_unii - get the U-NII band for 130 * cfg80211_get_unii - get the U-NII band for the frequency
135 * @freq: the frequency for which we want to g 131 * @freq: the frequency for which we want to get the UNII band.
136 * !! 132
137 * Get a value specifying the U-NII band frequ 133 * Get a value specifying the U-NII band frequency belongs to.
138 * U-NII bands are defined by the FCC in C.F.R 134 * U-NII bands are defined by the FCC in C.F.R 47 part 15.
139 * 135 *
140 * Return: -EINVAL if freq is invalid, 0 for U !! 136 * Returns -EINVAL if freq is invalid, 0 for UNII-1, 1 for UNII-2A,
141 * 2 for UNII-2B, 3 for UNII-2C and 4 for UNII 137 * 2 for UNII-2B, 3 for UNII-2C and 4 for UNII-3.
142 */ 138 */
143 int cfg80211_get_unii(int freq); 139 int cfg80211_get_unii(int freq);
144 140
145 /** 141 /**
146 * regulatory_indoor_allowed - is indoor opera 142 * regulatory_indoor_allowed - is indoor operation allowed
147 * Return: %true if indoor operation is allowe <<
148 */ 143 */
149 bool regulatory_indoor_allowed(void); 144 bool regulatory_indoor_allowed(void);
150 <<
151 /* <<
152 * Grace period to timeout pre-CAC results on <<
153 * value is used for Non-ETSI domain. <<
154 * TODO: May be make this timeout available th <<
155 */ <<
156 #define REG_PRE_CAC_EXPIRY_GRACE_MS 2000 <<
157 <<
158 /** <<
159 * regulatory_propagate_dfs_state - Propagate <<
160 * @wiphy: wiphy on which radar is detected an <<
161 * to other available wiphys having the s <<
162 * @chandef: Channel definition of radar detec <<
163 * @dfs_state: DFS channel state to be set <<
164 * @event: Type of radar event which triggered <<
165 * <<
166 * This function should be called with rtnl lo <<
167 */ <<
168 void regulatory_propagate_dfs_state(struct wip <<
169 struct cfg <<
170 enum nl802 <<
171 enum nl802 <<
172 <<
173 /** <<
174 * reg_dfs_domain_same - Checks if both wiphy <<
175 * @wiphy1: wiphy it's dfs_region to be checke <<
176 * @wiphy2: wiphy it's dfs_region to be checke <<
177 * Return: %true if both wiphys have the same <<
178 */ <<
179 bool reg_dfs_domain_same(struct wiphy *wiphy1, <<
180 <<
181 /** <<
182 * reg_reload_regdb - reload the regulatory.db <<
183 * Return: 0 for success, an error code otherw <<
184 */ <<
185 int reg_reload_regdb(void); <<
186 <<
187 /** <<
188 * reg_check_channels - schedule regulatory en <<
189 */ <<
190 void reg_check_channels(void); <<
191 <<
192 extern const u8 shipped_regdb_certs[]; <<
193 extern unsigned int shipped_regdb_certs_len; <<
194 extern const u8 extra_regdb_certs[]; <<
195 extern unsigned int extra_regdb_certs_len; <<
196 145
197 #endif /* __NET_WIRELESS_REG_H */ 146 #endif /* __NET_WIRELESS_REG_H */
198 147
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