mirror of
https://github.com/aircrack-ng/rtl8812au.git
synced 2024-11-30 00:47:38 +00:00
568 lines
14 KiB
C
568 lines
14 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2009-2010 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#include <drv_types.h>
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#ifdef CONFIG_IOCTL_CFG80211
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#include <rtw_wifi_regd.h>
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static struct country_code_to_enum_rd allCountries[] = {
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{COUNTRY_CODE_USER, "RD"},
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};
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/*
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* REG_RULE(freq start, freq end, bandwidth, max gain, eirp, reg_flags)
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*/
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/*
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*Only these channels all allow active
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*scan on all world regulatory domains
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*/
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/* 2G chan 01 - chan 11 */
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#define RTW_2GHZ_CH01_11 \
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REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
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/*
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*We enable active scan on these a case
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*by case basis by regulatory domain
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*/
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/* 2G chan 12 - chan 13, PASSIV SCAN */
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#define RTW_2GHZ_CH12_13 \
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REG_RULE(2467-10, 2472+10, 40, 0, 20, 0)
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/* 2G chan 14, PASSIVS SCAN, NO OFDM (B only) */
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#define RTW_2GHZ_CH14 \
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REG_RULE(2484-10, 2484+10, 40, 0, 20, 0)
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/* 5G chan 36 - chan 64 */
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#define RTW_5GHZ_5150_5350 \
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REG_RULE(5150-10, 5350+10, 80, 0, 30, \
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NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
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/* 5G chan 100 - chan 165 */
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#define RTW_5GHZ_5470_5850 \
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REG_RULE(5470-10, 5850+10, 80, 0, 30, \
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NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
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/* 5G chan 149 - chan 165 */
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#define RTW_5GHZ_5725_5850 \
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REG_RULE(5725-10, 5850+10, 80, 0, 30, \
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NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
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/* 5G chan 36 - chan 165 */
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#define RTW_5GHZ_5150_5850 \
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REG_RULE(5150-10, 5850+10, 80, 0, 30, \
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NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
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static const struct ieee80211_regdomain rtw_regdom_rd = {
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.n_reg_rules = 4,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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RTW_2GHZ_CH12_13,
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RTW_2GHZ_CH14,
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RTW_5GHZ_5150_5850,
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}
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};
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#if 0
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static const struct ieee80211_regdomain rtw_regdom_11 = {
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.n_reg_rules = 1,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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}
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};
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static const struct ieee80211_regdomain rtw_regdom_12_13 = {
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.n_reg_rules = 2,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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RTW_2GHZ_CH12_13,
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}
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};
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static const struct ieee80211_regdomain rtw_regdom_no_midband = {
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.n_reg_rules = 3,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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RTW_5GHZ_5150_5350,
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RTW_5GHZ_5725_5850,
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}
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};
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static const struct ieee80211_regdomain rtw_regdom_60_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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RTW_2GHZ_CH01_11,
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RTW_2GHZ_CH12_13,
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RTW_5GHZ_5725_5850,
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}
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};
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static const struct ieee80211_regdomain rtw_regdom_14_60_64 = {
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.n_reg_rules = 4,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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RTW_2GHZ_CH12_13,
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RTW_2GHZ_CH14,
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RTW_5GHZ_5725_5850,
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}
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};
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static const struct ieee80211_regdomain rtw_regdom_14 = {
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.n_reg_rules = 3,
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.alpha2 = "99",
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.reg_rules = {
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RTW_2GHZ_CH01_11,
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RTW_2GHZ_CH12_13,
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RTW_2GHZ_CH14,
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}
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};
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#endif
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#if 0
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static struct rtw_regulatory *rtw_regd;
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#endif
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#if 0 /* not_yet */
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static void _rtw_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 nl80211_band band;
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struct ieee80211_supported_band *sband;
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const struct ieee80211_reg_rule *reg_rule;
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struct ieee80211_channel *ch;
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unsigned int i;
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u32 bandwidth = 0;
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int r;
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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 (rtw_is_dfs_ch(ch->hw_value) ||
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(ch->flags & IEEE80211_CHAN_RADAR))
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continue;
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if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
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r = freq_reg_info(wiphy, ch->center_freq,
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bandwidth, ®_rule);
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if (r)
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continue;
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/*
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*If 11d had a rule for this channel ensure
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*we enable adhoc/beaconing if it allows us to
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*use it. Note that we would have disabled it
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*by applying our static world regdomain by
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*default during init, prior to calling our
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*regulatory_hint().
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*/
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if (!(reg_rule->flags & NL80211_RRF_NO_IBSS))
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ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
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if (!
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(reg_rule->flags &
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NL80211_RRF_PASSIVE_SCAN))
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ch->flags &=
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~IEEE80211_CHAN_PASSIVE_SCAN;
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} else {
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if (ch->beacon_found)
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ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
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IEEE80211_CHAN_PASSIVE_SCAN);
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}
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}
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}
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}
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/* Allows active scan scan on Ch 12 and 13 */
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static void _rtw_reg_apply_active_scan_flags(struct wiphy *wiphy,
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enum nl80211_reg_initiator
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initiator)
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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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const struct ieee80211_reg_rule *reg_rule;
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u32 bandwidth = 0;
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int r;
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if (!wiphy->bands[NL80211_BAND_2GHZ])
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return;
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sband = wiphy->bands[NL80211_BAND_2GHZ];
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/*
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* If no country IE has been received always enable active scan
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* on these channels. This is only done for specific regulatory SKUs
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*/
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if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
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ch = &sband->channels[11]; /* CH 12 */
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if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
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ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
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ch = &sband->channels[12]; /* CH 13 */
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if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
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ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
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return;
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}
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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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ch = &sband->channels[11]; /* CH 12 */
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r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule);
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if (!r) {
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if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
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if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
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ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
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}
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ch = &sband->channels[12]; /* CH 13 */
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r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule);
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if (!r) {
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if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
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if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
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ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
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}
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}
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#endif
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/*
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* Always apply Radar/DFS rules on
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* freq range 5260 MHz - 5700 MHz
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*/
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static void _rtw_reg_apply_radar_flags(struct wiphy *wiphy)
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{
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#ifndef CONFIG_DISABLE_REGD_C
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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[NL80211_BAND_5GHZ])
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return;
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sband = wiphy->bands[NL80211_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 (!rtw_is_dfs_ch(ch->hw_value))
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continue;
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#ifdef CONFIG_DFS
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if (!(ch->flags & IEEE80211_CHAN_DISABLED)
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#if defined(CONFIG_DFS_MASTER)
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&& rtw_odm_dfs_domain_unknown(wiphy_to_adapter(wiphy))
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#endif
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) {
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ch->flags |= IEEE80211_CHAN_RADAR;
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
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ch->flags |= (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
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#else
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ch->flags |= IEEE80211_CHAN_NO_IR;
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#endif
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}
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#endif /* CONFIG_DFS */
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#if 0
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/*
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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 disable
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* 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_IBSS |
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IEEE80211_CHAN_PASSIVE_SCAN;
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#endif
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}
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#endif // CONFIG_DISABLE_REGD_C
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}
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static void _rtw_reg_apply_flags(struct wiphy *wiphy)
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{
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#if 1 /* by channel plan */
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_adapter *padapter = wiphy_to_adapter(wiphy);
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struct rf_ctl_t *rfctl = adapter_to_rfctl(padapter);
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//u8 channel_plan = rfctl->ChannelPlan;
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//RT_CHANNEL_INFO *channel_set = rfctl->channel_set;
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//u8 max_chan_nums = rfctl->max_chan_nums;
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struct ieee80211_supported_band *sband;
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struct ieee80211_channel *ch;
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unsigned int i, j;
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u16 channel;
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//u32 freq;
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/* all channels disable */
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for (i = 0; i < NUM_NL80211_BANDS; i++) {
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sband = wiphy->bands[i];
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if (sband) {
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for (j = 0; j < sband->n_channels; j++) {
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ch = &sband->channels[j];
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if (ch)
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ch->flags &= ~(IEEE80211_CHAN_DISABLED|IEEE80211_CHAN_NO_HT40PLUS|
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IEEE80211_CHAN_NO_HT40MINUS|IEEE80211_CHAN_NO_80MHZ|
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IEEE80211_CHAN_NO_160MHZ);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
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IEEE80211_CHAN_NO_IBSS|IEEE80211_CHAN_PASSIVE_SCAN);
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#else
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IEEE80211_CHAN_NO_IR;
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#endif
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//ch->flags = IEEE80211_CHAN_DISABLED;
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}
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}
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}
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/* channels apply by channel plans. */
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/*
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for (i = 0; i < max_chan_nums; i++) {
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channel = channel_set[i].ChannelNum;
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freq = rtw_ch2freq(channel);
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ch = ieee80211_get_channel(wiphy, freq);
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if (ch) {
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if (channel_set[i].ScanType == SCAN_PASSIVE
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#if defined(CONFIG_DFS_MASTER)
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&& rtw_odm_dfs_domain_unknown(wiphy_to_adapter(wiphy))
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#endif
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) {
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
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ch->flags = (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
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#else
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ch->flags = IEEE80211_CHAN_NO_IR;
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#endif
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} else
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ch->flags = 0;
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}
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}
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*/
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#else
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struct ieee80211_supported_band *sband;
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struct ieee80211_channel *ch;
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unsigned int i, j;
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u16 channels[37] = {
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56,
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60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140,
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149, 153,
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157, 161, 165
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};
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u16 channel;
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u32 freq;
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for (i = 0; i < NUM_NL80211_BANDS; i++) {
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sband = wiphy->bands[i];
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if (sband)
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for (j = 0; j < sband->n_channels; j++) {
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ch = &sband->channels[j];
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if (ch)
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ch->flags = IEEE80211_CHAN_DISABLED;
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}
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}
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for (i = 0; i < 37; i++) {
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channel = channels[i];
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freq = rtw_ch2freq(channel);
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ch = ieee80211_get_channel(wiphy, freq);
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if (ch) {
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if (channel <= 11)
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ch->flags = 0;
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else
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ch->flags = 0; /* IEEE80211_CHAN_PASSIVE_SCAN; */
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}
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/* printk("%s: freq %d(%d) flag 0x%02X\n", __func__, freq, channel, ch->flags); */
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}
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#endif
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}
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static void _rtw_reg_apply_world_flags(struct wiphy *wiphy,
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enum nl80211_reg_initiator initiator,
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struct rtw_regulatory *reg)
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{
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/* _rtw_reg_apply_beaconing_flags(wiphy, initiator); */
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/* _rtw_reg_apply_active_scan_flags(wiphy, initiator); */
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return;
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}
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static int _rtw_reg_notifier_apply(struct wiphy *wiphy,
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struct regulatory_request *request,
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struct rtw_regulatory *reg)
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{
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/* Hard code flags */
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_rtw_reg_apply_flags(wiphy);
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/* We always apply this */
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_rtw_reg_apply_radar_flags(wiphy);
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switch (request->initiator) {
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case NL80211_REGDOM_SET_BY_DRIVER:
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RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_DRIVER");
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_rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER,
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reg);
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break;
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case NL80211_REGDOM_SET_BY_CORE:
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RTW_INFO("%s: %s\n", __func__,
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"NL80211_REGDOM_SET_BY_CORE to DRV");
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_rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER,
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reg);
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break;
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case NL80211_REGDOM_SET_BY_USER:
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RTW_INFO("%s: %s\n", __func__,
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"NL80211_REGDOM_SET_BY_USER to DRV");
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_rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER,
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reg);
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break;
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case NL80211_REGDOM_SET_BY_COUNTRY_IE:
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RTW_INFO("%s: %s\n", __func__,
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"NL80211_REGDOM_SET_BY_COUNTRY_IE");
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_rtw_reg_apply_world_flags(wiphy, request->initiator, reg);
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break;
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}
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return 0;
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}
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static const struct ieee80211_regdomain *_rtw_regdomain_select(struct
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rtw_regulatory
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*reg)
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{
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#if 0
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switch (reg->country_code) {
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case COUNTRY_CODE_USER:
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default:
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return &rtw_regdom_rd;
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}
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#else
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return &rtw_regdom_rd;
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#endif
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}
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void _rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
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{
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struct rtw_regulatory *reg = NULL;
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RTW_INFO("%s\n", __func__);
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_rtw_reg_notifier_apply(wiphy, request, reg);
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}
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
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int rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
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#else
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void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
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#endif
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{
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_rtw_reg_notifier(wiphy, request);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
void rtw_reg_notify_by_driver(_adapter *adapter)
|
|
{
|
|
if ((adapter->rtw_wdev != NULL) && (adapter->rtw_wdev->wiphy)) {
|
|
struct regulatory_request request;
|
|
request.initiator = NL80211_REGDOM_SET_BY_DRIVER;
|
|
rtw_reg_notifier(adapter->rtw_wdev->wiphy, &request);
|
|
}
|
|
}
|
|
|
|
static void _rtw_regd_init_wiphy(struct rtw_regulatory *reg, struct wiphy *wiphy)
|
|
{
|
|
const struct ieee80211_regdomain *regd;
|
|
|
|
wiphy->reg_notifier = rtw_reg_notifier;
|
|
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
|
|
wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
|
|
wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY;
|
|
wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
|
|
#else
|
|
wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
|
|
wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
|
|
wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
|
|
#endif
|
|
|
|
regd = _rtw_regdomain_select(reg);
|
|
wiphy_apply_custom_regulatory(wiphy, regd);
|
|
|
|
/* Hard code flags */
|
|
_rtw_reg_apply_flags(wiphy);
|
|
_rtw_reg_apply_radar_flags(wiphy);
|
|
_rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
|
|
}
|
|
|
|
static struct country_code_to_enum_rd *_rtw_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;
|
|
}
|
|
|
|
int rtw_regd_init(_adapter *padapter)
|
|
{
|
|
#ifndef CONFIG_DISABLE_REGD_C
|
|
struct wiphy *wiphy = padapter->rtw_wdev->wiphy;
|
|
|
|
#if 0
|
|
if (rtw_regd == NULL) {
|
|
rtw_regd = (struct rtw_regulatory *)
|
|
rtw_malloc(sizeof(struct rtw_regulatory));
|
|
|
|
rtw_regd->alpha2[0] = '9';
|
|
rtw_regd->alpha2[1] = '9';
|
|
|
|
rtw_regd->country_code = COUNTRY_CODE_USER;
|
|
}
|
|
|
|
RTW_INFO("%s: Country alpha2 being used: %c%c\n",
|
|
__func__, rtw_regd->alpha2[0], rtw_regd->alpha2[1]);
|
|
#endif
|
|
|
|
_rtw_regd_init_wiphy(NULL, wiphy);
|
|
#endif
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_IOCTL_CFG80211 */
|