/****************************************************************************** * * Copyright(c) 2009-2010 Realtek Corporation. * *****************************************************************************/ #include #ifdef CONFIG_IOCTL_CFG80211 #include static struct country_code_to_enum_rd allCountries[] = { {COUNTRY_CODE_USER, "RD"}, }; /* * REG_RULE(freq start, freq end, bandwidth, max gain, eirp, reg_flags) */ /* *Only these channels all allow active *scan on all world regulatory domains */ /* 2G chan 01 - chan 11 */ #define RTW_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 */ /* 2G chan 12 - chan 13, PASSIV SCAN */ #define RTW_2GHZ_CH12_13 \ REG_RULE(2467-10, 2472+10, 40, 0, 20, \ NL80211_RRF_PASSIVE_SCAN) /* 2G chan 14, PASSIVS SCAN, NO OFDM (B only) */ #define RTW_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 RTW_5GHZ_5150_5350 \ REG_RULE(5150-10, 5350+10, 40, 0, 30, \ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) /* 5G chan 100 - chan 165 */ #define RTW_5GHZ_5470_5850 \ REG_RULE(5470-10, 5850+10, 40, 0, 30, \ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) /* 5G chan 149 - chan 165 */ #define RTW_5GHZ_5725_5850 \ REG_RULE(5725-10, 5850+10, 40, 0, 30, \ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) /* 5G chan 36 - chan 165 */ #define RTW_5GHZ_5150_5850 \ REG_RULE(5150-10, 5850+10, 40, 0, 30, \ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) static const struct ieee80211_regdomain rtw_regdom_rd = { .n_reg_rules = 3, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_2GHZ_CH12_13, RTW_5GHZ_5150_5850, } }; static const struct ieee80211_regdomain rtw_regdom_11 = { .n_reg_rules = 1, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, } }; static const struct ieee80211_regdomain rtw_regdom_12_13 = { .n_reg_rules = 2, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_2GHZ_CH12_13, } }; static const struct ieee80211_regdomain rtw_regdom_no_midband = { .n_reg_rules = 3, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_5GHZ_5150_5350, RTW_5GHZ_5725_5850, } }; static const struct ieee80211_regdomain rtw_regdom_60_64 = { .n_reg_rules = 3, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_2GHZ_CH12_13, RTW_5GHZ_5725_5850, } }; static const struct ieee80211_regdomain rtw_regdom_14_60_64 = { .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_2GHZ_CH12_13, RTW_2GHZ_CH14, RTW_5GHZ_5725_5850, } }; static const struct ieee80211_regdomain rtw_regdom_14 = { .n_reg_rules = 3, .alpha2 = "99", .reg_rules = { RTW_2GHZ_CH01_11, RTW_2GHZ_CH12_13, RTW_2GHZ_CH14, } }; static bool _rtw_is_radar_freq(u16 center_freq) { return center_freq >= 5260 && center_freq <= 5700; } /* * Always apply Radar/DFS rules on * freq range 5260 MHz - 5700 MHz */ static void _rtw_reg_apply_radar_flags(struct wiphy *wiphy) { struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; unsigned int i; if (!wiphy->bands[NL80211_BAND_5GHZ]) return; sband = wiphy->bands[NL80211_BAND_5GHZ]; for (i = 0; i < sband->n_channels; i++) { ch = &sband->channels[i]; if (!_rtw_is_radar_freq(ch->center_freq)) continue; #ifdef CONFIG_DFS if (!(ch->flags & IEEE80211_CHAN_DISABLED) #if defined(CONFIG_DFS_MASTER) && rtw_odm_dfs_domain_unknown(wiphy_to_adapter(wiphy)) #endif ) { ch->flags |= IEEE80211_CHAN_RADAR; #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) ch->flags |= (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN); #else ch->flags |= IEEE80211_CHAN_NO_IR; #endif } #endif /* CONFIG_DFS */ } } static void _rtw_reg_apply_flags(struct wiphy *wiphy) { _adapter *padapter = wiphy_to_adapter(wiphy); u8 channel_plan = padapter->mlmepriv.ChannelPlan; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; RT_CHANNEL_INFO *channel_set = pmlmeext->channel_set; u8 max_chan_nums = pmlmeext->max_chan_nums; struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; unsigned int i, j; u16 channel; u32 freq; /* all channels disable */ for (i = 0; i < NUM_NL80211_BANDS; i++) { sband = wiphy->bands[i]; if (sband) { for (j = 0; j < sband->n_channels; j++) { ch = &sband->channels[j]; if (ch) ch->flags = IEEE80211_CHAN_DISABLED; } } } /* channels apply by channel plans. */ for (i = 0; i < max_chan_nums; i++) { channel = channel_set[i].ChannelNum; freq = rtw_ch2freq(channel); ch = ieee80211_get_channel(wiphy, freq); if (ch) { if (channel_set[i].ScanType == SCAN_PASSIVE #if defined(CONFIG_DFS_MASTER) && rtw_odm_dfs_domain_unknown(wiphy_to_adapter(wiphy)) #endif ) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) ch->flags = (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN); #else ch->flags = IEEE80211_CHAN_NO_IR; #endif } else ch->flags = 0; } } } static void _rtw_reg_apply_world_flags(struct wiphy *wiphy, enum nl80211_reg_initiator initiator, struct rtw_regulatory *reg) { /* _rtw_reg_apply_beaconing_flags(wiphy, initiator); */ /* _rtw_reg_apply_active_scan_flags(wiphy, initiator); */ return; } static int _rtw_reg_notifier_apply(struct wiphy *wiphy, struct regulatory_request *request, struct rtw_regulatory *reg) { /* Hard code flags */ _rtw_reg_apply_flags(wiphy); /* We always apply this */ _rtw_reg_apply_radar_flags(wiphy); switch (request->initiator) { case NL80211_REGDOM_SET_BY_DRIVER: RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_DRIVER"); _rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); break; case NL80211_REGDOM_SET_BY_CORE: RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_CORE to DRV"); _rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); break; case NL80211_REGDOM_SET_BY_USER: RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_USER to DRV"); _rtw_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); break; case NL80211_REGDOM_SET_BY_COUNTRY_IE: RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_COUNTRY_IE"); _rtw_reg_apply_world_flags(wiphy, request->initiator, reg); break; } return 0; } static const struct ieee80211_regdomain *_rtw_regdomain_select(struct rtw_regulatory *reg) { return &rtw_regdom_rd; } static void _rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct rtw_regulatory *reg = NULL; RTW_INFO("%s\n", __func__); _rtw_reg_notifier_apply(wiphy, request, reg); } #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) static int rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) #else static void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) #endif { _rtw_reg_notifier(wiphy, request); #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) { struct wiphy *wiphy = padapter->rtw_wdev->wiphy; _rtw_regd_init_wiphy(NULL, wiphy); return 0; } #endif /* CONFIG_IOCTL_CFG80211 */