^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) #ifndef __NET_WIRELESS_REG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #define __NET_WIRELESS_REG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <net/cfg80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2019 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Permission to use, copy, modify, and/or distribute this software for any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * purpose with or without fee is hereby granted, provided that the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * copyright notice and this permission notice appear in all copies.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum ieee80211_regd_source {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) REGD_SOURCE_INTERNAL_DB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) REGD_SOURCE_CRDA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) REGD_SOURCE_CACHED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) bool reg_is_valid_request(const char *alpha2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) bool is_world_regdom(const char *alpha2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int regulatory_hint_user(const char *alpha2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) enum nl80211_user_reg_hint_type user_reg_hint_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * regulatory_hint_indoor - hint operation in indoor env. or not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * @is_indoor: if true indicates that user space thinks that the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * device is operating in an indoor environment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * @portid: the netlink port ID on which the hint was given.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int regulatory_hint_indoor(bool is_indoor, u32 portid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * regulatory_netlink_notify - notify on released netlink socket
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * @portid: the netlink socket port ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) void regulatory_netlink_notify(u32 portid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) void wiphy_regulatory_register(struct wiphy *wiphy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) void wiphy_regulatory_deregister(struct wiphy *wiphy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int __init regulatory_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) void regulatory_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int set_regdom(const struct ieee80211_regdomain *rd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) enum ieee80211_regd_source regd_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) const struct ieee80211_reg_rule *rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) bool reg_last_request_cell_base(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * regulatory_hint_found_beacon - hints a beacon was found on a channel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * @wiphy: the wireless device where the beacon was found on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * @beacon_chan: the channel on which the beacon was found on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * @gfp: context flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * This informs the wireless core that a beacon from an AP was found on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * the channel provided. This allows the wireless core to make educated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * guesses on regulatory to help with world roaming. This is only used for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * world roaming -- when we do not know our current location. This is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * only useful on channels 12, 13 and 14 on the 2 GHz band as channels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * 1-11 are already enabled by the world regulatory domain; and on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * non-radar 5 GHz channels.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * Drivers do not need to call this, cfg80211 will do it for after a scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * on a newly found BSS. If you cannot make use of this feature you can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * set the wiphy->disable_beacon_hints to true.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int regulatory_hint_found_beacon(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct ieee80211_channel *beacon_chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) gfp_t gfp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * regulatory_hint_country_ie - hints a country IE as a regulatory domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * @wiphy: the wireless device giving the hint (used only for reporting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * conflicts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * @band: the band on which the country IE was received on. This determines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * the band we'll process the country IE channel triplets for.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * @country_ie: pointer to the country IE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * @country_ie_len: length of the country IE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * We will intersect the rd with the what CRDA tells us should apply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * for the alpha2 this country IE belongs to, this prevents APs from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * sending us incorrect or outdated information against a country.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * The AP is expected to provide Country IE channel triplets for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * band it is on. It is technically possible for APs to send channel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * country IE triplets even for channels outside of the band they are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * in but for that they would have to use the regulatory extension
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * in combination with a triplet but this behaviour is currently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * not observed. For this reason if a triplet is seen with channel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * information for a band the BSS is not present in it will be ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) void regulatory_hint_country_ie(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) enum nl80211_band band,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) const u8 *country_ie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u8 country_ie_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * regulatory_hint_disconnect - informs all devices have been disconnected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * Regulotory rules can be enhanced further upon scanning and upon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * connection to an AP. These rules become stale if we disconnect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * and go to another country, whether or not we suspend and resume.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * If we suspend, go to another country and resume we'll automatically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * get disconnected shortly after resuming and things will be reset as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * This routine is a helper to restore regulatory settings to how they were
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * prior to our first connect attempt. This includes ignoring country IE and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * beacon regulatory hints. The ieee80211_regdom module parameter will always
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * be respected but if a user had set the regulatory domain that will take
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * precedence.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * Must be called from process context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) void regulatory_hint_disconnect(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * cfg80211_get_unii - get the U-NII band for the frequency
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * @freq: the frequency for which we want to get the UNII band.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * Get a value specifying the U-NII band frequency belongs to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * U-NII bands are defined by the FCC in C.F.R 47 part 15.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * Returns -EINVAL if freq is invalid, 0 for UNII-1, 1 for UNII-2A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * 2 for UNII-2B, 3 for UNII-2C and 4 for UNII-3.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int cfg80211_get_unii(int freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * regulatory_indoor_allowed - is indoor operation allowed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) bool regulatory_indoor_allowed(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) * Grace period to timeout pre-CAC results on the dfs channels. This timeout
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * value is used for Non-ETSI domain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * TODO: May be make this timeout available through regdb?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define REG_PRE_CAC_EXPIRY_GRACE_MS 2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * regulatory_propagate_dfs_state - Propagate DFS channel state to other wiphys
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * @wiphy - wiphy on which radar is detected and the event will be propagated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * to other available wiphys having the same DFS domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * @chandef - Channel definition of radar detected channel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * @dfs_state - DFS channel state to be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * @event - Type of radar event which triggered this DFS state change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * This function should be called with rtnl lock held.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) void regulatory_propagate_dfs_state(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct cfg80211_chan_def *chandef,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) enum nl80211_dfs_state dfs_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) enum nl80211_radar_event event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * reg_dfs_domain_same - Checks if both wiphy have same DFS domain configured
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * @wiphy1 - wiphy it's dfs_region to be checked against that of wiphy2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * @wiphy2 - wiphy it's dfs_region to be checked against that of wiphy1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) bool reg_dfs_domain_same(struct wiphy *wiphy1, struct wiphy *wiphy2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * reg_reload_regdb - reload the regulatory.db firmware file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int reg_reload_regdb(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) extern const u8 shipped_regdb_certs[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) extern unsigned int shipped_regdb_certs_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) extern const u8 extra_regdb_certs[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) extern unsigned int extra_regdb_certs_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #endif /* __NET_WIRELESS_REG_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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