diff options
Diffstat (limited to 'drivers/staging/rtl8192ee/regd.c')
-rw-r--r-- | drivers/staging/rtl8192ee/regd.c | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/drivers/staging/rtl8192ee/regd.c b/drivers/staging/rtl8192ee/regd.c deleted file mode 100644 index 7272fae..0000000 --- a/drivers/staging/rtl8192ee/regd.c +++ /dev/null @@ -1,448 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2009-2010 Realtek Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger <Larry.Finger@lwfinger.net> - * - *****************************************************************************/ - -#include "wifi.h" -#include "regd.h" - -static struct country_code_to_enum_rd allcountries[] = { - {COUNTRY_CODE_FCC, "US"}, - {COUNTRY_CODE_IC, "US"}, - {COUNTRY_CODE_ETSI, "EC"}, - {COUNTRY_CODE_SPAIN, "EC"}, - {COUNTRY_CODE_FRANCE, "EC"}, - {COUNTRY_CODE_MKK, "JP"}, - {COUNTRY_CODE_MKK1, "JP"}, - {COUNTRY_CODE_ISRAEL, "EC"}, - {COUNTRY_CODE_TELEC, "JP"}, - {COUNTRY_CODE_MIC, "JP"}, - {COUNTRY_CODE_GLOBAL_DOMAIN, "JP"}, - {COUNTRY_CODE_WORLD_WIDE_13, "EC"}, - {COUNTRY_CODE_TELEC_NETGEAR, "EC"}, -}; - -/* - *Only these channels all allow active - *scan on all world regulatory domains - */ -#define RTL819x_2GHZ_CH01_11 \ - REG_RULE(2412-10, 2462+10, 40, 0, 20, 0) - -/* - *We enable active scan on these a case - *by case basis by regulatory domain - */ -#define RTL819x_2GHZ_CH12_13 \ - REG_RULE(2467-10, 2472+10, 40, 0, 20,\ - NL80211_RRF_PASSIVE_SCAN) - -#define RTL819x_2GHZ_CH14 \ - REG_RULE(2484-10, 2484+10, 40, 0, 20, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_OFDM) - -/* 5G chan 36 - chan 64*/ -#define RTL819x_5GHZ_5150_5350 \ - REG_RULE(5150-10, 5350+10, 80, 0, 30, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) - -/* 5G chan 100 - chan 165*/ -#define RTL819x_5GHZ_5470_5850 \ - REG_RULE(5470-10, 5850+10, 80, 0, 30, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) - -/* 5G chan 149 - chan 165*/ -#define RTL819x_5GHZ_5725_5850 \ - REG_RULE(5725-10, 5850+10, 80, 0, 30, \ - NL80211_RRF_PASSIVE_SCAN | \ - NL80211_RRF_NO_IBSS) - -#define RTL819x_5GHZ_ALL \ - (RTL819x_5GHZ_5150_5350, RTL819x_5GHZ_5470_5850) - -static const struct ieee80211_regdomain rtl_regdom_11 = { - .n_reg_rules = 1, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - } -}; - -static const struct ieee80211_regdomain rtl_regdom_12_13 = { - .n_reg_rules = 2, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - RTL819x_2GHZ_CH12_13, - } -}; - -static const struct ieee80211_regdomain rtl_regdom_no_midband = { - .n_reg_rules = 3, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - RTL819x_5GHZ_5150_5350, - RTL819x_5GHZ_5725_5850, - } -}; - -static const struct ieee80211_regdomain rtl_regdom_60_64 = { - .n_reg_rules = 3, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - RTL819x_2GHZ_CH12_13, - RTL819x_5GHZ_5725_5850, - } -}; - -static const struct ieee80211_regdomain rtl_regdom_14_60_64 = { - .n_reg_rules = 4, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - RTL819x_2GHZ_CH12_13, - RTL819x_2GHZ_CH14, - RTL819x_5GHZ_5725_5850, - } -}; - -static const struct ieee80211_regdomain rtl_regdom_14 = { - .n_reg_rules = 3, - .alpha2 = "99", - .reg_rules = { - RTL819x_2GHZ_CH01_11, - RTL819x_2GHZ_CH12_13, - RTL819x_2GHZ_CH14, - } -}; - -static bool _rtl_is_radar_freq(u16 center_freq) -{ - return center_freq >= 5260 && center_freq <= 5700; -} - -static void _rtl_reg_apply_beaconing_flags(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator) -{ - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - const struct ieee80211_reg_rule *reg_rule; - struct ieee80211_channel *ch; - unsigned int i; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!wiphy->bands[band]) - continue; - - sband = wiphy->bands[band]; - - for (i = 0; i < sband->n_channels; i++) { - ch = &sband->channels[i]; - if (_rtl_is_radar_freq(ch->center_freq) || - (ch->flags & IEEE80211_CHAN_RADAR)) - continue; - if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { - reg_rule = freq_reg_info(wiphy, - ch->center_freq); - if (IS_ERR(reg_rule)) - continue; - - /* - *If 11d had a rule for this channel ensure - *we enable adhoc/beaconing if it allows us to - *use it. Note that we would have disabled it - *by applying our static world regdomain by - *default during init, prior to calling our - *regulatory_hint(). - */ - - if (!(reg_rule->flags & NL80211_RRF_NO_IBSS)) - ch->flags &= ~IEEE80211_CHAN_NO_IBSS; - if (!(reg_rule->flags & - NL80211_RRF_PASSIVE_SCAN)) - ch->flags &= - ~IEEE80211_CHAN_PASSIVE_SCAN; - } else { - if (ch->beacon_found) - ch->flags &= ~(IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN); - } - } - } -} - -/* Allows active scan scan on Ch 12 and 13 */ -static void _rtl_reg_apply_active_scan_flags(struct wiphy *wiphy, - enum nl80211_reg_initiator - initiator) -{ - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - const struct ieee80211_reg_rule *reg_rule; - - if (!wiphy->bands[IEEE80211_BAND_2GHZ]) - return; - sband = wiphy->bands[IEEE80211_BAND_2GHZ]; - - /* - *If no country IE has been received always enable active scan - *on these channels. This is only done for specific regulatory SKUs - */ - if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { - ch = &sband->channels[11]; /* CH 12 */ - if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) - ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - ch = &sband->channels[12]; /* CH 13 */ - if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) - ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - return; - } - - /* - *If a country IE has been recieved check its rule for this - *channel first before enabling active scan. The passive scan - *would have been enforced by the initial processing of our - *custom regulatory domain. - */ - - ch = &sband->channels[11]; /* CH 12 */ - reg_rule = freq_reg_info(wiphy, ch->center_freq); - if (!IS_ERR(reg_rule)) { - if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) - if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) - ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - } - - ch = &sband->channels[12]; /* CH 13 */ - reg_rule = freq_reg_info(wiphy, ch->center_freq); - if (!IS_ERR(reg_rule)) { - if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) - if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) - ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - } -} - -/* - *Always apply Radar/DFS rules on - *freq range 5260 MHz - 5700 MHz - */ -static void _rtl_reg_apply_radar_flags(struct wiphy *wiphy) -{ - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - unsigned int i; - - if (!wiphy->bands[IEEE80211_BAND_5GHZ]) - return; - - sband = wiphy->bands[IEEE80211_BAND_5GHZ]; - - for (i = 0; i < sband->n_channels; i++) { - ch = &sband->channels[i]; - if (!_rtl_is_radar_freq(ch->center_freq)) - continue; - - /* - *We always enable radar detection/DFS on this - *frequency range. Additionally we also apply on - *this frequency range: - *- If STA mode does not yet have DFS supports disable - * active scanning - *- If adhoc mode does not support DFS yet then disable - * adhoc in the frequency. - *- If AP mode does not yet support radar detection/DFS - *do not allow AP mode - */ - if (!(ch->flags & IEEE80211_CHAN_DISABLED)) - ch->flags |= IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN; - } -} - -static void _rtl_reg_apply_world_flags(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator, - struct rtl_regulatory *reg) -{ - _rtl_reg_apply_beaconing_flags(wiphy, initiator); - _rtl_reg_apply_active_scan_flags(wiphy, initiator); - return; -} - -static void _rtl_dump_channel_map(struct wiphy *wiphy) -{ - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - unsigned int i; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!wiphy->bands[band]) - continue; - sband = wiphy->bands[band]; - for (i = 0; i < sband->n_channels; i++) - ch = &sband->channels[i]; - } -} - -static int _rtl92e_reg_notifier_apply(struct wiphy *wiphy, - struct regulatory_request *request, - struct rtl_regulatory *reg) -{ - /* We always apply this */ - _rtl_reg_apply_radar_flags(wiphy); - - switch (request->initiator) { - case NL80211_REGDOM_SET_BY_DRIVER: - case NL80211_REGDOM_SET_BY_CORE: - case NL80211_REGDOM_SET_BY_USER: - break; - case NL80211_REGDOM_SET_BY_COUNTRY_IE: - _rtl_reg_apply_world_flags(wiphy, request->initiator, reg); - break; - } - - _rtl_dump_channel_map(wiphy); - - return 0; -} - -static const struct ieee80211_regdomain *_rtl_regdomain_select( - struct rtl_regulatory *reg) -{ - switch (reg->country_code) { - case COUNTRY_CODE_FCC: - return &rtl_regdom_no_midband; - case COUNTRY_CODE_IC: - return &rtl_regdom_11; - case COUNTRY_CODE_ETSI: - case COUNTRY_CODE_TELEC_NETGEAR: - return &rtl_regdom_60_64; - case COUNTRY_CODE_SPAIN: - case COUNTRY_CODE_FRANCE: - case COUNTRY_CODE_ISRAEL: - case COUNTRY_CODE_WORLD_WIDE_13: - return &rtl_regdom_12_13; - case COUNTRY_CODE_MKK: - case COUNTRY_CODE_MKK1: - case COUNTRY_CODE_TELEC: - case COUNTRY_CODE_MIC: - return &rtl_regdom_14_60_64; - case COUNTRY_CODE_GLOBAL_DOMAIN: - return &rtl_regdom_14; - default: - return &rtl_regdom_no_midband; - } -} - -static int _rtl92e_regd_init_wiphy(struct rtl_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_CUSTOM_REG; - wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG; - wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS; - - regd = _rtl_regdomain_select(reg); - wiphy_apply_custom_regulatory(wiphy, regd); - _rtl_reg_apply_radar_flags(wiphy); - _rtl_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); - return 0; -} - -static struct country_code_to_enum_rd *_rtl_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 rtl92e_regd_init(struct ieee80211_hw *hw, - void (*reg_notifier)(struct wiphy *wiphy, - struct regulatory_request *request)) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct wiphy *wiphy = hw->wiphy; - struct country_code_to_enum_rd *country = NULL; - - if (wiphy == NULL || &rtlpriv->regd == NULL) - return -EINVAL; - - /* init country_code from efuse channel plan */ - rtlpriv->regd.country_code = rtlpriv->efuse.channel_plan; - - RT_TRACE(COMP_REGD, DBG_TRACE, - (KERN_DEBUG "rtl: EEPROM regdomain: 0x%0x\n", - rtlpriv->regd.country_code)); - - if (rtlpriv->regd.country_code >= COUNTRY_CODE_MAX) { - RT_TRACE(COMP_REGD, DBG_DMESG, - ("rtl: EEPROM indicates invalid contry code world wide 13 should be used\n")); - - rtlpriv->regd.country_code = COUNTRY_CODE_WORLD_WIDE_13; - } - - country = _rtl_regd_find_country(rtlpriv->regd.country_code); - - if (country) { - rtlpriv->regd.alpha2[0] = country->iso_name[0]; - rtlpriv->regd.alpha2[1] = country->iso_name[1]; - } else { - rtlpriv->regd.alpha2[0] = '0'; - rtlpriv->regd.alpha2[1] = '0'; - } - - RT_TRACE(COMP_REGD, DBG_TRACE, - (KERN_DEBUG "rtl: Country alpha2 being used: %c%c\n", - rtlpriv->regd.alpha2[0], rtlpriv->regd.alpha2[1])); - - _rtl92e_regd_init_wiphy(&rtlpriv->regd, wiphy, reg_notifier); - - return 0; -} - -void rtl92e_reg_notifier(struct wiphy *wiphy, - struct regulatory_request *request) -{ - struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); - struct rtl_priv *rtlpriv = rtl_priv(hw); - - RT_TRACE(COMP_REGD, DBG_LOUD, ("\n")); - - _rtl92e_reg_notifier_apply(wiphy, request, &rtlpriv->regd); -} |