^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright (c) 2008-2009 Atheros Communications Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Permission to use, copy, modify, and/or distribute this software for any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * purpose with or without fee is hereby granted, provided that the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * copyright notice and this permission notice appear in all copies.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/cfg80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <net/mac80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "regd.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "regd_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int __ath_regd_init(struct ath_regulatory *reg);
^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) * This is a set of common rules used by our world regulatory domains.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * We have 12 world regulatory domains. To save space we consolidate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * the regulatory domains in 5 structures by frequency and change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * the flags on our reg_notifier() on a case by case basis.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* Only these channels all allow active scan on all world regulatory domains */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define ATH_2GHZ_CH01_11 REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* We enable active scan on these a case by case basis by regulatory domain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define ATH_2GHZ_CH12_13 REG_RULE(2467-10, 2472+10, 40, 0, 20,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) NL80211_RRF_NO_IR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define ATH_2GHZ_CH14 REG_RULE(2484-10, 2484+10, 40, 0, 20,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) NL80211_RRF_NO_IR | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) NL80211_RRF_NO_OFDM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* We allow IBSS on these on a case by case basis by regulatory domain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define ATH_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 80, 0, 30,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) NL80211_RRF_NO_IR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define ATH_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) NL80211_RRF_NO_IR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define ATH_5GHZ_5725_5850 REG_RULE(5725-10, 5850+10, 80, 0, 30,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) NL80211_RRF_NO_IR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define ATH_2GHZ_ALL ATH_2GHZ_CH01_11, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) ATH_2GHZ_CH12_13, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ATH_2GHZ_CH14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define ATH_5GHZ_ALL ATH_5GHZ_5150_5350, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) ATH_5GHZ_5470_5850
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* This one skips what we call "mid band" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define ATH_5GHZ_NO_MIDBAND ATH_5GHZ_5150_5350, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) ATH_5GHZ_5725_5850
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* Can be used for:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * 0x60, 0x61, 0x62 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .n_reg_rules = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .alpha2 = "99",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .reg_rules = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ATH_2GHZ_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ATH_5GHZ_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* Can be used by 0x63 and 0x65 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static const struct ieee80211_regdomain ath_world_regdom_63_65 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .n_reg_rules = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .alpha2 = "99",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .reg_rules = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ATH_2GHZ_CH01_11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) ATH_2GHZ_CH12_13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) ATH_5GHZ_NO_MIDBAND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /* Can be used by 0x64 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static const struct ieee80211_regdomain ath_world_regdom_64 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .n_reg_rules = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .alpha2 = "99",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .reg_rules = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ATH_2GHZ_CH01_11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) ATH_5GHZ_NO_MIDBAND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* Can be used by 0x66 and 0x69 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static const struct ieee80211_regdomain ath_world_regdom_66_69 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .n_reg_rules = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .alpha2 = "99",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .reg_rules = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ATH_2GHZ_CH01_11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) ATH_5GHZ_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* Can be used by 0x67, 0x68, 0x6A and 0x6C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .n_reg_rules = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .alpha2 = "99",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .reg_rules = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ATH_2GHZ_CH01_11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ATH_2GHZ_CH12_13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ATH_5GHZ_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^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) static bool dynamic_country_user_possible(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (IS_ENABLED(CONFIG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) switch (reg->country_code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) case CTRY_UNITED_STATES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) case CTRY_JAPAN1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) case CTRY_JAPAN2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) case CTRY_JAPAN3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) case CTRY_JAPAN4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) case CTRY_JAPAN5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) case CTRY_JAPAN6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) case CTRY_JAPAN7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) case CTRY_JAPAN8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) case CTRY_JAPAN9:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) case CTRY_JAPAN10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) case CTRY_JAPAN11:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) case CTRY_JAPAN12:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) case CTRY_JAPAN13:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) case CTRY_JAPAN14:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) case CTRY_JAPAN15:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) case CTRY_JAPAN16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) case CTRY_JAPAN17:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) case CTRY_JAPAN18:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) case CTRY_JAPAN19:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) case CTRY_JAPAN20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) case CTRY_JAPAN21:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) case CTRY_JAPAN22:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) case CTRY_JAPAN23:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) case CTRY_JAPAN24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) case CTRY_JAPAN25:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) case CTRY_JAPAN26:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) case CTRY_JAPAN27:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) case CTRY_JAPAN28:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) case CTRY_JAPAN29:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) case CTRY_JAPAN30:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) case CTRY_JAPAN31:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) case CTRY_JAPAN32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) case CTRY_JAPAN33:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) case CTRY_JAPAN34:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) case CTRY_JAPAN35:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) case CTRY_JAPAN36:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) case CTRY_JAPAN37:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) case CTRY_JAPAN38:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) case CTRY_JAPAN39:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) case CTRY_JAPAN40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) case CTRY_JAPAN41:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) case CTRY_JAPAN42:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) case CTRY_JAPAN43:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) case CTRY_JAPAN44:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) case CTRY_JAPAN45:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) case CTRY_JAPAN46:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) case CTRY_JAPAN47:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) case CTRY_JAPAN48:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) case CTRY_JAPAN49:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) case CTRY_JAPAN50:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) case CTRY_JAPAN51:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) case CTRY_JAPAN52:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) case CTRY_JAPAN53:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) case CTRY_JAPAN54:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case CTRY_JAPAN55:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) case CTRY_JAPAN56:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) case CTRY_JAPAN57:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) case CTRY_JAPAN58:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) case CTRY_JAPAN59:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static bool ath_reg_dyn_country_user_allow(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (!IS_ENABLED(CONFIG_ATH_REG_DYNAMIC_USER_REG_HINTS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (!dynamic_country_user_possible(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static inline bool is_wwr_sku(u16 regd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return ((regd & COUNTRY_ERD_FLAG) != COUNTRY_ERD_FLAG) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) (((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) (regd == WORLD));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) bool ath_is_world_regd(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return is_wwr_sku(ath_regd_get_eepromRD(reg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) EXPORT_SYMBOL(ath_is_world_regd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static const struct ieee80211_regdomain *ath_default_world_regdomain(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* this is the most restrictive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return &ath_world_regdom_64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static const struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) switch (reg->regpair->reg_domain) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) case 0x60:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) case 0x61:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) case 0x62:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return &ath_world_regdom_60_61_62;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) case 0x63:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) case 0x65:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return &ath_world_regdom_63_65;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) case 0x64:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return &ath_world_regdom_64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) case 0x66:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) case 0x69:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return &ath_world_regdom_66_69;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) case 0x67:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) case 0x68:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) case 0x6A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) case 0x6C:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return &ath_world_regdom_67_68_6A_6C;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return ath_default_world_regdomain();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) bool ath_is_49ghz_allowed(u16 regdomain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /* possibly more */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return regdomain == MKK9_MKKC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) EXPORT_SYMBOL(ath_is_49ghz_allowed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /* Frequency is one where radar detection is required */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) static bool ath_is_radar_freq(u16 center_freq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (reg->country_code == CTRY_INDIA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return (center_freq >= 5500 && center_freq <= 5700);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return (center_freq >= 5260 && center_freq <= 5700);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static void ath_force_clear_no_ir_chan(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct ieee80211_channel *ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) const struct ieee80211_reg_rule *reg_rule;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) reg_rule = freq_reg_info(wiphy, MHZ_TO_KHZ(ch->center_freq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (IS_ERR(reg_rule))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (!(reg_rule->flags & NL80211_RRF_NO_IR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (ch->flags & IEEE80211_CHAN_NO_IR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) ch->flags &= ~IEEE80211_CHAN_NO_IR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) static void ath_force_clear_no_ir_freq(struct wiphy *wiphy, u16 center_freq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) struct ieee80211_channel *ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) ch = ieee80211_get_channel(wiphy, center_freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (!ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ath_force_clear_no_ir_chan(wiphy, ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static void ath_force_no_ir_chan(struct ieee80211_channel *ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) ch->flags |= IEEE80211_CHAN_NO_IR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) static void ath_force_no_ir_freq(struct wiphy *wiphy, u16 center_freq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct ieee80211_channel *ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) ch = ieee80211_get_channel(wiphy, center_freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (!ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) ath_force_no_ir_chan(ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) __ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) enum nl80211_reg_initiator initiator,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct ieee80211_channel *ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (ath_is_radar_freq(ch->center_freq, reg) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) (ch->flags & IEEE80211_CHAN_RADAR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) switch (initiator) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) case NL80211_REGDOM_SET_BY_COUNTRY_IE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) ath_force_clear_no_ir_chan(wiphy, ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) case NL80211_REGDOM_SET_BY_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (ath_reg_dyn_country_user_allow(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) ath_force_clear_no_ir_chan(wiphy, ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (ch->beacon_found)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ch->flags &= ~IEEE80211_CHAN_NO_IR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) * These exception rules do not apply radar frequencies.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * - We enable initiating radiation if the country IE says its fine:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * - If no country IE has been processed and a we determine we have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * received a beacon on a channel we can enable initiating radiation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) enum nl80211_reg_initiator initiator)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) enum nl80211_band band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) struct ieee80211_channel *ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) for (band = 0; band < NUM_NL80211_BANDS; band++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (!wiphy->bands[band])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) sband = wiphy->bands[band];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) for (i = 0; i < sband->n_channels; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ch = &sband->channels[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) __ath_reg_apply_beaconing_flags(wiphy, reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) initiator, ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) * ath_reg_apply_ir_flags()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * @wiphy: the wiphy to use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * @initiator: the regulatory hint initiator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) * If no country IE has been received always enable passive scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) * and no-ibss on these channels. This is only done for specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) * regulatory SKUs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) * If a country IE has been received check its rule for this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) * channel first before enabling active scan. The passive scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * would have been enforced by the initial processing of our
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) * custom regulatory domain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ath_reg_apply_ir_flags(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) enum nl80211_reg_initiator initiator)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) sband = wiphy->bands[NL80211_BAND_2GHZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (!sband)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) switch(initiator) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) case NL80211_REGDOM_SET_BY_COUNTRY_IE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ath_force_clear_no_ir_freq(wiphy, 2467);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) ath_force_clear_no_ir_freq(wiphy, 2472);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) case NL80211_REGDOM_SET_BY_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) if (!ath_reg_dyn_country_user_allow(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) ath_force_clear_no_ir_freq(wiphy, 2467);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) ath_force_clear_no_ir_freq(wiphy, 2472);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) ath_force_no_ir_freq(wiphy, 2467);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) ath_force_no_ir_freq(wiphy, 2472);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) /* Always apply Radar/DFS rules on freq range 5500 MHz - 5700 MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static void ath_reg_apply_radar_flags(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct ieee80211_channel *ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) if (!wiphy->bands[NL80211_BAND_5GHZ])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) sband = wiphy->bands[NL80211_BAND_5GHZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) for (i = 0; i < sband->n_channels; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) ch = &sband->channels[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (!ath_is_radar_freq(ch->center_freq, reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) /* We always enable radar detection/DFS on this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * frequency range. Additionally we also apply on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * this frequency range:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * - If STA mode does not yet have DFS supports disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) * active scanning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) * - If adhoc mode does not support DFS yet then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) * disable adhoc in the frequency.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) * - If AP mode does not yet support radar detection/DFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * do not allow AP mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (!(ch->flags & IEEE80211_CHAN_DISABLED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) ch->flags |= IEEE80211_CHAN_RADAR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) IEEE80211_CHAN_NO_IR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static void ath_reg_apply_world_flags(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) enum nl80211_reg_initiator initiator,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) switch (reg->regpair->reg_domain) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) case 0x60:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) case 0x63:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) case 0x66:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) case 0x67:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) case 0x6C:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) case 0x68:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ath_reg_apply_ir_flags(wiphy, reg, initiator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (ath_reg_dyn_country_user_allow(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) u16 ath_regd_find_country_by_name(char *alpha2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (!memcmp(allCountries[i].isoName, alpha2, 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return allCountries[i].countryCode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) EXPORT_SYMBOL(ath_regd_find_country_by_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) static int __ath_reg_dyn_country(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct regulatory_request *request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) u16 country_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) !ath_is_world_regd(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) country_code = ath_regd_find_country_by_name(request->alpha2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (country_code == (u16) -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) reg->current_rd = COUNTRY_ERD_FLAG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) reg->current_rd |= country_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) __ath_regd_init(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) ath_reg_apply_world_flags(wiphy, request->initiator, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) static void ath_reg_dyn_country(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) struct regulatory_request *request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (__ath_reg_dyn_country(wiphy, reg, request))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) printk(KERN_DEBUG "ath: regdomain 0x%0x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) "dynamically updated by %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) reg->current_rd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) reg_initiator_name(request->initiator));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) void ath_reg_notifier_apply(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) struct regulatory_request *request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct ath_common *common = container_of(reg, struct ath_common,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) regulatory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /* We always apply this */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) ath_reg_apply_radar_flags(wiphy, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) * This would happen when we have sent a custom regulatory request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) * a world regulatory domain and the scheduler hasn't yet processed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) * any pending requests in the queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) if (!request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) reg->region = request->dfs_region;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) switch (request->initiator) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) case NL80211_REGDOM_SET_BY_CORE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) * If common->reg_world_copy is world roaming it means we *were*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) * world roaming... so we now have to restore that data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) if (!ath_is_world_regd(&common->reg_world_copy))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) memcpy(reg, &common->reg_world_copy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) sizeof(struct ath_regulatory));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case NL80211_REGDOM_SET_BY_DRIVER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) case NL80211_REGDOM_SET_BY_USER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (ath_reg_dyn_country_user_allow(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) ath_reg_dyn_country(wiphy, reg, request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) case NL80211_REGDOM_SET_BY_COUNTRY_IE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) ath_reg_dyn_country(wiphy, reg, request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) EXPORT_SYMBOL(ath_reg_notifier_apply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) static bool ath_regd_is_eeprom_valid(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) u16 rd = ath_regd_get_eepromRD(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) if (rd & COUNTRY_ERD_FLAG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) /* EEPROM value is a country code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) u16 cc = rd & ~COUNTRY_ERD_FLAG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) printk(KERN_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) "ath: EEPROM indicates we should expect "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) "a country code\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) for (i = 0; i < ARRAY_SIZE(allCountries); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if (allCountries[i].countryCode == cc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) /* EEPROM value is a regpair value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (rd != CTRY_DEFAULT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) printk(KERN_DEBUG "ath: EEPROM indicates we "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) "should expect a direct regpair map\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (regDomainPairs[i].reg_domain == rd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) printk(KERN_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) "ath: invalid regulatory domain/country code 0x%x\n", rd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) /* EEPROM country code to regpair mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) static struct country_code_to_enum_rd*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) ath_regd_find_country(u16 countryCode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (allCountries[i].countryCode == countryCode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) return &allCountries[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) /* EEPROM rd code to regpair mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) static struct country_code_to_enum_rd*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) ath_regd_find_country_by_rd(int regdmn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (allCountries[i].regDmnEnum == regdmn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) return &allCountries[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) /* Returns the map of the EEPROM set RD to a country code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) static u16 ath_regd_get_default_country(u16 rd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) if (rd & COUNTRY_ERD_FLAG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) struct country_code_to_enum_rd *country = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) u16 cc = rd & ~COUNTRY_ERD_FLAG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) country = ath_regd_find_country(cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) if (country != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) return cc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) return CTRY_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) static struct reg_dmn_pair_mapping*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) ath_get_regpair(int regdmn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) if (regdmn == NO_ENUMRD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) if (regDomainPairs[i].reg_domain == regdmn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) return ®DomainPairs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) ath_regd_init_wiphy(struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) void (*reg_notifier)(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct regulatory_request *request))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) const struct ieee80211_regdomain *regd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) wiphy->reg_notifier = reg_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) wiphy->regulatory_flags |= REGULATORY_STRICT_REG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) REGULATORY_CUSTOM_REG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (ath_is_world_regd(reg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) * Anything applied here (prior to wiphy registration) gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) * saved on the wiphy orig_* parameters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) regd = ath_world_regdomain(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_FOLLOW_POWER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) * This gets applied in the case of the absence of CRDA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * it's our own custom world regulatory domain, similar to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * cfg80211's but we enable passive scanning.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) regd = ath_default_world_regdomain();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) wiphy_apply_custom_regulatory(wiphy, regd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) ath_reg_apply_radar_flags(wiphy, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) * Some users have reported their EEPROM programmed with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) * 0x8000 set, this is not a supported regulatory domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) * but since we have more than one user with it we need
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) * a solution for them. We default to 0x64, which is the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) * default Atheros world regulatory domain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) static void ath_regd_sanitize(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) if (reg->current_rd != COUNTRY_ERD_FLAG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) printk(KERN_DEBUG "ath: EEPROM regdomain sanitized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) reg->current_rd = 0x64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) static int __ath_regd_init(struct ath_regulatory *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) struct country_code_to_enum_rd *country = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) u16 regdmn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) if (!reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) ath_regd_sanitize(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (!ath_regd_is_eeprom_valid(reg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) pr_err("Invalid EEPROM contents\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) regdmn = ath_regd_get_eepromRD(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) reg->country_code = ath_regd_get_default_country(regdmn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) if (reg->country_code == CTRY_DEFAULT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) regdmn == CTRY_DEFAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) printk(KERN_DEBUG "ath: EEPROM indicates default "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) "country code should be used\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) reg->country_code = CTRY_UNITED_STATES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) if (reg->country_code == CTRY_DEFAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) country = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) printk(KERN_DEBUG "ath: doing EEPROM country->regdmn "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) "map search\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) country = ath_regd_find_country(reg->country_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) if (country == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) printk(KERN_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) "ath: no valid country maps found for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) "country code: 0x%0x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) reg->country_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) regdmn = country->regDmnEnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) printk(KERN_DEBUG "ath: country maps to "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) "regdmn code: 0x%0x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) regdmn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) reg->regpair = ath_get_regpair(regdmn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) if (!reg->regpair) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) printk(KERN_DEBUG "ath: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) "No regulatory domain pair found, cannot continue\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) if (!country)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) country = ath_regd_find_country_by_rd(regdmn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) if (country) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) reg->alpha2[0] = country->isoName[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) reg->alpha2[1] = country->isoName[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) reg->alpha2[0] = '0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) reg->alpha2[1] = '0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) printk(KERN_DEBUG "ath: Country alpha2 being used: %c%c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) reg->alpha2[0], reg->alpha2[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) printk(KERN_DEBUG "ath: Regpair used: 0x%0x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) reg->regpair->reg_domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) ath_regd_init(struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) void (*reg_notifier)(struct wiphy *wiphy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) struct regulatory_request *request))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) struct ath_common *common = container_of(reg, struct ath_common,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) regulatory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) r = __ath_regd_init(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) if (ath_is_world_regd(reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) memcpy(&common->reg_world_copy, reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) sizeof(struct ath_regulatory));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) ath_regd_init_wiphy(reg, wiphy, reg_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) EXPORT_SYMBOL(ath_regd_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) enum nl80211_band band)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) if (!reg->regpair ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) (reg->country_code == CTRY_DEFAULT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) is_wwr_sku(ath_regd_get_eepromRD(reg)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) return SD_NO_CTL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (ath_regd_get_eepromRD(reg) == CTRY_DEFAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) switch (reg->region) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) case NL80211_DFS_FCC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) return CTL_FCC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) case NL80211_DFS_ETSI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) return CTL_ETSI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) case NL80211_DFS_JP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) return CTL_MKK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) switch (band) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) case NL80211_BAND_2GHZ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) return reg->regpair->reg_2ghz_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) case NL80211_BAND_5GHZ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) return reg->regpair->reg_5ghz_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) return NO_CTL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) EXPORT_SYMBOL(ath_regd_get_band_ctl);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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