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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6c3af5888e
Simplify ath_reg_apply_beaconing_flags() by making use of thew new no-ir helper. Cc: smihir@qti.qualcomm.com Cc: tushnimb@qca.qualcomm.com Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
775 lines
19 KiB
C
775 lines
19 KiB
C
/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/kernel.h>
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#include <linux/export.h>
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#include <net/cfg80211.h>
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#include <net/mac80211.h>
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#include "regd.h"
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#include "regd_common.h"
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static int __ath_regd_init(struct ath_regulatory *reg);
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/*
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* This is a set of common rules used by our world regulatory domains.
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* We have 12 world regulatory domains. To save space we consolidate
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* the regulatory domains in 5 structures by frequency and change
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* the flags on our reg_notifier() on a case by case basis.
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*/
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/* Only these channels all allow active scan on all world regulatory domains */
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#define ATH9K_2GHZ_CH01_11 REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
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/* We enable active scan on these a case by case basis by regulatory domain */
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#define ATH9K_2GHZ_CH12_13 REG_RULE(2467-10, 2472+10, 40, 0, 20,\
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NL80211_RRF_NO_IR)
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#define ATH9K_2GHZ_CH14 REG_RULE(2484-10, 2484+10, 40, 0, 20,\
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NL80211_RRF_NO_IR | \
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NL80211_RRF_NO_OFDM)
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/* We allow IBSS on these on a case by case basis by regulatory domain */
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#define ATH9K_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 80, 0, 30,\
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NL80211_RRF_NO_IR)
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#define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\
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NL80211_RRF_NO_IR)
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#define ATH9K_5GHZ_5725_5850 REG_RULE(5725-10, 5850+10, 80, 0, 30,\
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NL80211_RRF_NO_IR)
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#define ATH9K_2GHZ_ALL ATH9K_2GHZ_CH01_11, \
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ATH9K_2GHZ_CH12_13, \
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ATH9K_2GHZ_CH14
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#define ATH9K_5GHZ_ALL ATH9K_5GHZ_5150_5350, \
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ATH9K_5GHZ_5470_5850
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/* This one skips what we call "mid band" */
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#define ATH9K_5GHZ_NO_MIDBAND ATH9K_5GHZ_5150_5350, \
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ATH9K_5GHZ_5725_5850
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/* Can be used for:
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* 0x60, 0x61, 0x62 */
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static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {
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.n_reg_rules = 5,
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.alpha2 = "99",
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.reg_rules = {
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ATH9K_2GHZ_ALL,
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ATH9K_5GHZ_ALL,
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}
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};
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/* Can be used by 0x63 and 0x65 */
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static const struct ieee80211_regdomain ath_world_regdom_63_65 = {
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.n_reg_rules = 4,
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.alpha2 = "99",
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.reg_rules = {
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ATH9K_2GHZ_CH01_11,
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ATH9K_2GHZ_CH12_13,
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ATH9K_5GHZ_NO_MIDBAND,
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}
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};
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/* Can be used by 0x64 only */
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static const struct ieee80211_regdomain ath_world_regdom_64 = {
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.n_reg_rules = 3,
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.alpha2 = "99",
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.reg_rules = {
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ATH9K_2GHZ_CH01_11,
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ATH9K_5GHZ_NO_MIDBAND,
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}
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};
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/* Can be used by 0x66 and 0x69 */
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static const struct ieee80211_regdomain ath_world_regdom_66_69 = {
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.n_reg_rules = 3,
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.alpha2 = "99",
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.reg_rules = {
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ATH9K_2GHZ_CH01_11,
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ATH9K_5GHZ_ALL,
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}
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};
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/* Can be used by 0x67, 0x68, 0x6A and 0x6C */
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static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {
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.n_reg_rules = 4,
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.alpha2 = "99",
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.reg_rules = {
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ATH9K_2GHZ_CH01_11,
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ATH9K_2GHZ_CH12_13,
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ATH9K_5GHZ_ALL,
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}
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};
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static inline bool is_wwr_sku(u16 regd)
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{
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return ((regd & COUNTRY_ERD_FLAG) != COUNTRY_ERD_FLAG) &&
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(((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
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(regd == WORLD));
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}
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static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg)
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{
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return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG;
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}
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bool ath_is_world_regd(struct ath_regulatory *reg)
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{
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return is_wwr_sku(ath_regd_get_eepromRD(reg));
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}
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EXPORT_SYMBOL(ath_is_world_regd);
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static const struct ieee80211_regdomain *ath_default_world_regdomain(void)
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{
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/* this is the most restrictive */
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return &ath_world_regdom_64;
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}
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static const struct
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ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg)
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{
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switch (reg->regpair->regDmnEnum) {
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case 0x60:
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case 0x61:
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case 0x62:
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return &ath_world_regdom_60_61_62;
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case 0x63:
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case 0x65:
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return &ath_world_regdom_63_65;
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case 0x64:
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return &ath_world_regdom_64;
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case 0x66:
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case 0x69:
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return &ath_world_regdom_66_69;
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case 0x67:
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case 0x68:
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case 0x6A:
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case 0x6C:
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return &ath_world_regdom_67_68_6A_6C;
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default:
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WARN_ON(1);
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return ath_default_world_regdomain();
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}
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}
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bool ath_is_49ghz_allowed(u16 regdomain)
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{
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/* possibly more */
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return regdomain == MKK9_MKKC;
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}
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EXPORT_SYMBOL(ath_is_49ghz_allowed);
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/* Frequency is one where radar detection is required */
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static bool ath_is_radar_freq(u16 center_freq)
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{
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return (center_freq >= 5260 && center_freq <= 5700);
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}
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static void ath_force_clear_no_ir_chan(struct wiphy *wiphy,
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struct ieee80211_channel *ch)
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{
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const struct ieee80211_reg_rule *reg_rule;
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reg_rule = freq_reg_info(wiphy, ch->center_freq);
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if (IS_ERR(reg_rule))
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return;
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if (!(reg_rule->flags & NL80211_RRF_NO_IR))
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if (ch->flags & IEEE80211_CHAN_NO_IR)
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ch->flags &= ~IEEE80211_CHAN_NO_IR;
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}
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static void ath_force_clear_no_ir_freq(struct wiphy *wiphy, u16 center_freq)
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{
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struct ieee80211_channel *ch;
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ch = ieee80211_get_channel(wiphy, center_freq);
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if (!ch)
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return;
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ath_force_clear_no_ir_chan(wiphy, ch);
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}
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static void ath_force_no_ir_chan(struct ieee80211_channel *ch)
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{
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ch->flags |= IEEE80211_CHAN_NO_IR;
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}
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static void ath_force_no_ir_freq(struct wiphy *wiphy, u16 center_freq)
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{
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struct ieee80211_channel *ch;
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ch = ieee80211_get_channel(wiphy, center_freq);
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if (!ch)
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return;
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ath_force_no_ir_chan(ch);
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}
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/*
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* These exception rules do not apply radar frequencies.
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*
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* - We enable initiating radiation if the country IE says its fine:
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* - If no country IE has been processed and a we determine we have
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* received a beacon on a channel we can enable initiating radiation.
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*/
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static void
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ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
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enum nl80211_reg_initiator initiator)
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{
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enum ieee80211_band band;
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struct ieee80211_supported_band *sband;
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struct ieee80211_channel *ch;
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unsigned int i;
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for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
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if (!wiphy->bands[band])
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continue;
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sband = wiphy->bands[band];
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for (i = 0; i < sband->n_channels; i++) {
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ch = &sband->channels[i];
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if (ath_is_radar_freq(ch->center_freq) ||
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(ch->flags & IEEE80211_CHAN_RADAR))
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continue;
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/*
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* If the country IE says initiating radiation
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* is OK we trust that.
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*/
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if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
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ath_force_clear_no_ir_chan(wiphy, ch);
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else {
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if (ch->beacon_found)
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ch->flags &= ~IEEE80211_CHAN_NO_IR;
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}
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}
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}
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}
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/**
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* ath_reg_apply_ir_flags()
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* @wiphy: the wiphy to use
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* @initiator: the regulatory hint initiator
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*
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* If no country IE has been received always enable passive scan
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* and no-ibss on these channels. This is only done for specific
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* regulatory SKUs.
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*
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* If a country IE has been received check its rule for this
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* channel first before enabling active scan. The passive scan
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* would have been enforced by the initial processing of our
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* custom regulatory domain.
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*/
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static void
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ath_reg_apply_ir_flags(struct wiphy *wiphy,
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enum nl80211_reg_initiator initiator)
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{
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struct ieee80211_supported_band *sband;
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sband = wiphy->bands[IEEE80211_BAND_2GHZ];
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if (!sband)
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return;
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switch(initiator) {
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case NL80211_REGDOM_SET_BY_COUNTRY_IE:
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ath_force_clear_no_ir_freq(wiphy, 2467);
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ath_force_clear_no_ir_freq(wiphy, 2472);
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break;
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default:
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ath_force_no_ir_freq(wiphy, 2467);
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ath_force_no_ir_freq(wiphy, 2472);
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}
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}
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/* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
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static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
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{
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struct ieee80211_supported_band *sband;
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struct ieee80211_channel *ch;
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unsigned int i;
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if (!wiphy->bands[IEEE80211_BAND_5GHZ])
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return;
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sband = wiphy->bands[IEEE80211_BAND_5GHZ];
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for (i = 0; i < sband->n_channels; i++) {
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ch = &sband->channels[i];
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if (!ath_is_radar_freq(ch->center_freq))
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continue;
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/* We always enable radar detection/DFS on this
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* frequency range. Additionally we also apply on
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* this frequency range:
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* - If STA mode does not yet have DFS supports disable
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* active scanning
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* - If adhoc mode does not support DFS yet then
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* disable adhoc in the frequency.
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* - If AP mode does not yet support radar detection/DFS
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* do not allow AP mode
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*/
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if (!(ch->flags & IEEE80211_CHAN_DISABLED))
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ch->flags |= IEEE80211_CHAN_RADAR |
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IEEE80211_CHAN_NO_IR;
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}
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}
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static void ath_reg_apply_world_flags(struct wiphy *wiphy,
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enum nl80211_reg_initiator initiator,
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struct ath_regulatory *reg)
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{
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switch (reg->regpair->regDmnEnum) {
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case 0x60:
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case 0x63:
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case 0x66:
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case 0x67:
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case 0x6C:
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ath_reg_apply_beaconing_flags(wiphy, initiator);
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break;
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case 0x68:
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ath_reg_apply_beaconing_flags(wiphy, initiator);
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ath_reg_apply_ir_flags(wiphy, initiator);
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break;
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}
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}
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static u16 ath_regd_find_country_by_name(char *alpha2)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
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if (!memcmp(allCountries[i].isoName, alpha2, 2))
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return allCountries[i].countryCode;
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}
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return -1;
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}
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static int __ath_reg_dyn_country(struct wiphy *wiphy,
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struct ath_regulatory *reg,
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struct regulatory_request *request)
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{
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u16 country_code;
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if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
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!ath_is_world_regd(reg))
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return -EINVAL;
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country_code = ath_regd_find_country_by_name(request->alpha2);
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if (country_code == (u16) -1)
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return -EINVAL;
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reg->current_rd = COUNTRY_ERD_FLAG;
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reg->current_rd |= country_code;
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__ath_regd_init(reg);
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ath_reg_apply_world_flags(wiphy, request->initiator, reg);
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return 0;
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}
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static void ath_reg_dyn_country(struct wiphy *wiphy,
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struct ath_regulatory *reg,
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struct regulatory_request *request)
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{
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if (__ath_reg_dyn_country(wiphy, reg, request))
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return;
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printk(KERN_DEBUG "ath: regdomain 0x%0x "
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"dynamically updated by %s\n",
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reg->current_rd,
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reg_initiator_name(request->initiator));
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}
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static bool dynamic_country_user_possible(struct ath_regulatory *reg)
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{
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if (config_enabled(CONFIG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
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return true;
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switch (reg->country_code) {
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case CTRY_UNITED_STATES:
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case CTRY_JAPAN1:
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case CTRY_JAPAN2:
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case CTRY_JAPAN3:
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case CTRY_JAPAN4:
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case CTRY_JAPAN5:
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case CTRY_JAPAN6:
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case CTRY_JAPAN7:
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case CTRY_JAPAN8:
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case CTRY_JAPAN9:
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case CTRY_JAPAN10:
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case CTRY_JAPAN11:
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case CTRY_JAPAN12:
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case CTRY_JAPAN13:
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case CTRY_JAPAN14:
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case CTRY_JAPAN15:
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case CTRY_JAPAN16:
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case CTRY_JAPAN17:
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case CTRY_JAPAN18:
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case CTRY_JAPAN19:
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case CTRY_JAPAN20:
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case CTRY_JAPAN21:
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case CTRY_JAPAN22:
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case CTRY_JAPAN23:
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case CTRY_JAPAN24:
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case CTRY_JAPAN25:
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case CTRY_JAPAN26:
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case CTRY_JAPAN27:
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case CTRY_JAPAN28:
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case CTRY_JAPAN29:
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case CTRY_JAPAN30:
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case CTRY_JAPAN31:
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case CTRY_JAPAN32:
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case CTRY_JAPAN33:
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case CTRY_JAPAN34:
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case CTRY_JAPAN35:
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case CTRY_JAPAN36:
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case CTRY_JAPAN37:
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case CTRY_JAPAN38:
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case CTRY_JAPAN39:
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case CTRY_JAPAN40:
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case CTRY_JAPAN41:
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case CTRY_JAPAN42:
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case CTRY_JAPAN43:
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case CTRY_JAPAN44:
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case CTRY_JAPAN45:
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case CTRY_JAPAN46:
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case CTRY_JAPAN47:
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case CTRY_JAPAN48:
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case CTRY_JAPAN49:
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case CTRY_JAPAN50:
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case CTRY_JAPAN51:
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case CTRY_JAPAN52:
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case CTRY_JAPAN53:
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case CTRY_JAPAN54:
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case CTRY_JAPAN55:
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case CTRY_JAPAN56:
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case CTRY_JAPAN57:
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case CTRY_JAPAN58:
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case CTRY_JAPAN59:
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return false;
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}
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return true;
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}
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static void ath_reg_dyn_country_user(struct wiphy *wiphy,
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struct ath_regulatory *reg,
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struct regulatory_request *request)
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{
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if (!config_enabled(CONFIG_ATH_REG_DYNAMIC_USER_REG_HINTS))
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return;
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if (!dynamic_country_user_possible(reg))
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return;
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ath_reg_dyn_country(wiphy, reg, request);
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}
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void ath_reg_notifier_apply(struct wiphy *wiphy,
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struct regulatory_request *request,
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struct ath_regulatory *reg)
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{
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struct ath_common *common = container_of(reg, struct ath_common,
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regulatory);
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/* We always apply this */
|
|
ath_reg_apply_radar_flags(wiphy);
|
|
|
|
/*
|
|
* This would happen when we have sent a custom regulatory request
|
|
* a world regulatory domain and the scheduler hasn't yet processed
|
|
* any pending requests in the queue.
|
|
*/
|
|
if (!request)
|
|
return;
|
|
|
|
switch (request->initiator) {
|
|
case NL80211_REGDOM_SET_BY_CORE:
|
|
/*
|
|
* If common->reg_world_copy is world roaming it means we *were*
|
|
* world roaming... so we now have to restore that data.
|
|
*/
|
|
if (!ath_is_world_regd(&common->reg_world_copy))
|
|
break;
|
|
|
|
memcpy(reg, &common->reg_world_copy,
|
|
sizeof(struct ath_regulatory));
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_DRIVER:
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_USER:
|
|
ath_reg_dyn_country_user(wiphy, reg, request);
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
|
|
ath_reg_dyn_country(wiphy, reg, request);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(ath_reg_notifier_apply);
|
|
|
|
static bool ath_regd_is_eeprom_valid(struct ath_regulatory *reg)
|
|
{
|
|
u16 rd = ath_regd_get_eepromRD(reg);
|
|
int i;
|
|
|
|
if (rd & COUNTRY_ERD_FLAG) {
|
|
/* EEPROM value is a country code */
|
|
u16 cc = rd & ~COUNTRY_ERD_FLAG;
|
|
printk(KERN_DEBUG
|
|
"ath: EEPROM indicates we should expect "
|
|
"a country code\n");
|
|
for (i = 0; i < ARRAY_SIZE(allCountries); i++)
|
|
if (allCountries[i].countryCode == cc)
|
|
return true;
|
|
} else {
|
|
/* EEPROM value is a regpair value */
|
|
if (rd != CTRY_DEFAULT)
|
|
printk(KERN_DEBUG "ath: EEPROM indicates we "
|
|
"should expect a direct regpair map\n");
|
|
for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
|
|
if (regDomainPairs[i].regDmnEnum == rd)
|
|
return true;
|
|
}
|
|
printk(KERN_DEBUG
|
|
"ath: invalid regulatory domain/country code 0x%x\n", rd);
|
|
return false;
|
|
}
|
|
|
|
/* EEPROM country code to regpair mapping */
|
|
static struct country_code_to_enum_rd*
|
|
ath_regd_find_country(u16 countryCode)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
|
|
if (allCountries[i].countryCode == countryCode)
|
|
return &allCountries[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* EEPROM rd code to regpair mapping */
|
|
static struct country_code_to_enum_rd*
|
|
ath_regd_find_country_by_rd(int regdmn)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
|
|
if (allCountries[i].regDmnEnum == regdmn)
|
|
return &allCountries[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* Returns the map of the EEPROM set RD to a country code */
|
|
static u16 ath_regd_get_default_country(u16 rd)
|
|
{
|
|
if (rd & COUNTRY_ERD_FLAG) {
|
|
struct country_code_to_enum_rd *country = NULL;
|
|
u16 cc = rd & ~COUNTRY_ERD_FLAG;
|
|
|
|
country = ath_regd_find_country(cc);
|
|
if (country != NULL)
|
|
return cc;
|
|
}
|
|
|
|
return CTRY_DEFAULT;
|
|
}
|
|
|
|
static struct reg_dmn_pair_mapping*
|
|
ath_get_regpair(int regdmn)
|
|
{
|
|
int i;
|
|
|
|
if (regdmn == NO_ENUMRD)
|
|
return NULL;
|
|
for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
|
|
if (regDomainPairs[i].regDmnEnum == regdmn)
|
|
return ®DomainPairs[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
ath_regd_init_wiphy(struct ath_regulatory *reg,
|
|
struct wiphy *wiphy,
|
|
void (*reg_notifier)(struct wiphy *wiphy,
|
|
struct regulatory_request *request))
|
|
{
|
|
const struct ieee80211_regdomain *regd;
|
|
|
|
wiphy->reg_notifier = reg_notifier;
|
|
wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
|
|
|
|
if (ath_is_world_regd(reg)) {
|
|
/*
|
|
* Anything applied here (prior to wiphy registration) gets
|
|
* saved on the wiphy orig_* parameters
|
|
*/
|
|
regd = ath_world_regdomain(reg);
|
|
wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
|
|
REGULATORY_COUNTRY_IE_FOLLOW_POWER;
|
|
} else {
|
|
/*
|
|
* This gets applied in the case of the absence of CRDA,
|
|
* it's our own custom world regulatory domain, similar to
|
|
* cfg80211's but we enable passive scanning.
|
|
*/
|
|
regd = ath_default_world_regdomain();
|
|
}
|
|
wiphy_apply_custom_regulatory(wiphy, regd);
|
|
ath_reg_apply_radar_flags(wiphy);
|
|
ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Some users have reported their EEPROM programmed with
|
|
* 0x8000 set, this is not a supported regulatory domain
|
|
* but since we have more than one user with it we need
|
|
* a solution for them. We default to 0x64, which is the
|
|
* default Atheros world regulatory domain.
|
|
*/
|
|
static void ath_regd_sanitize(struct ath_regulatory *reg)
|
|
{
|
|
if (reg->current_rd != COUNTRY_ERD_FLAG)
|
|
return;
|
|
printk(KERN_DEBUG "ath: EEPROM regdomain sanitized\n");
|
|
reg->current_rd = 0x64;
|
|
}
|
|
|
|
static int __ath_regd_init(struct ath_regulatory *reg)
|
|
{
|
|
struct country_code_to_enum_rd *country = NULL;
|
|
u16 regdmn;
|
|
|
|
if (!reg)
|
|
return -EINVAL;
|
|
|
|
ath_regd_sanitize(reg);
|
|
|
|
printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
|
|
|
|
if (!ath_regd_is_eeprom_valid(reg)) {
|
|
pr_err("Invalid EEPROM contents\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
regdmn = ath_regd_get_eepromRD(reg);
|
|
reg->country_code = ath_regd_get_default_country(regdmn);
|
|
|
|
if (reg->country_code == CTRY_DEFAULT &&
|
|
regdmn == CTRY_DEFAULT) {
|
|
printk(KERN_DEBUG "ath: EEPROM indicates default "
|
|
"country code should be used\n");
|
|
reg->country_code = CTRY_UNITED_STATES;
|
|
}
|
|
|
|
if (reg->country_code == CTRY_DEFAULT) {
|
|
country = NULL;
|
|
} else {
|
|
printk(KERN_DEBUG "ath: doing EEPROM country->regdmn "
|
|
"map search\n");
|
|
country = ath_regd_find_country(reg->country_code);
|
|
if (country == NULL) {
|
|
printk(KERN_DEBUG
|
|
"ath: no valid country maps found for "
|
|
"country code: 0x%0x\n",
|
|
reg->country_code);
|
|
return -EINVAL;
|
|
} else {
|
|
regdmn = country->regDmnEnum;
|
|
printk(KERN_DEBUG "ath: country maps to "
|
|
"regdmn code: 0x%0x\n",
|
|
regdmn);
|
|
}
|
|
}
|
|
|
|
reg->regpair = ath_get_regpair(regdmn);
|
|
|
|
if (!reg->regpair) {
|
|
printk(KERN_DEBUG "ath: "
|
|
"No regulatory domain pair found, cannot continue\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!country)
|
|
country = ath_regd_find_country_by_rd(regdmn);
|
|
|
|
if (country) {
|
|
reg->alpha2[0] = country->isoName[0];
|
|
reg->alpha2[1] = country->isoName[1];
|
|
} else {
|
|
reg->alpha2[0] = '0';
|
|
reg->alpha2[1] = '0';
|
|
}
|
|
|
|
printk(KERN_DEBUG "ath: Country alpha2 being used: %c%c\n",
|
|
reg->alpha2[0], reg->alpha2[1]);
|
|
printk(KERN_DEBUG "ath: Regpair used: 0x%0x\n",
|
|
reg->regpair->regDmnEnum);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ath_regd_init(struct ath_regulatory *reg,
|
|
struct wiphy *wiphy,
|
|
void (*reg_notifier)(struct wiphy *wiphy,
|
|
struct regulatory_request *request))
|
|
{
|
|
struct ath_common *common = container_of(reg, struct ath_common,
|
|
regulatory);
|
|
int r;
|
|
|
|
r = __ath_regd_init(reg);
|
|
if (r)
|
|
return r;
|
|
|
|
if (ath_is_world_regd(reg))
|
|
memcpy(&common->reg_world_copy, reg,
|
|
sizeof(struct ath_regulatory));
|
|
|
|
ath_regd_init_wiphy(reg, wiphy, reg_notifier);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(ath_regd_init);
|
|
|
|
u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
|
|
enum ieee80211_band band)
|
|
{
|
|
if (!reg->regpair ||
|
|
(reg->country_code == CTRY_DEFAULT &&
|
|
is_wwr_sku(ath_regd_get_eepromRD(reg)))) {
|
|
return SD_NO_CTL;
|
|
}
|
|
|
|
switch (band) {
|
|
case IEEE80211_BAND_2GHZ:
|
|
return reg->regpair->reg_2ghz_ctl;
|
|
case IEEE80211_BAND_5GHZ:
|
|
return reg->regpair->reg_5ghz_ctl;
|
|
default:
|
|
return NO_CTL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(ath_regd_get_band_ctl);
|