diff --git a/os_dep/linux/wifi_regd.c b/os_dep/linux/wifi_regd.c index 3296d69..75b60cf 100644 --- a/os_dep/linux/wifi_regd.c +++ b/os_dep/linux/wifi_regd.c @@ -10,512 +10,13 @@ #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, 80, 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, 80, 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, 80, 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, 80, 0, 30, \ - NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) - -static const struct ieee80211_regdomain rtw_regdom_rd = { - .n_reg_rules = 4, - .alpha2 = "99", - .reg_rules = { - RTW_2GHZ_CH01_11, - RTW_2GHZ_CH12_13, - RTW_2GHZ_CH14, - RTW_5GHZ_5150_5850, - } -}; -#if 0 -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, - } -}; -#endif -#if 0 -static struct rtw_regulatory *rtw_regd; -#endif - -static bool _rtw_is_radar_freq(u16 center_freq) -{ - return (center_freq >= 5260 && center_freq <= 5700); -} - -#if 0 // not_yet -static void _rtw_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; - u32 bandwidth = 0; - int r; - - 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 (_rtw_is_radar_freq(ch->center_freq) || - (ch->flags & IEEE80211_CHAN_RADAR)) - continue; - if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { - r = freq_reg_info(wiphy, ch->center_freq, - bandwidth, ®_rule); - if (r) - 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 _rtw_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; - u32 bandwidth = 0; - int r; - - 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 received 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 */ - r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule); - if (!r) { - 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 */ - r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule); - if (!r) { - if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) - if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) - ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - } -} -#endif - -/* - * 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[IEEE80211_BAND_5GHZ]) - return; - - sband = wiphy->bands[IEEE80211_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 defined(CONFIG_DFS_MASTER) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) - if (!(ch->flags & IEEE80211_CHAN_DISABLED)) { - 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 -#endif //CONFIG_DFS - -#if 0 - /* - * 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; -#endif - } -} - -static void _rtw_reg_apply_flags(struct wiphy *wiphy) -{ -#if 1 // by channel plan - _adapter *padapter = wiphy_to_adapter(wiphy); - - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - unsigned int i, j; - u16 channel; - - // all channels disable - for (i = 0; i < IEEE80211_NUM_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|IEEE80211_CHAN_NO_HT40PLUS| - IEEE80211_CHAN_NO_HT40MINUS|IEEE80211_CHAN_NO_80MHZ| - IEEE80211_CHAN_NO_160MHZ); - } - } - } - -#else - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - unsigned int i, j; - u16 channels[37] = - { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, - 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, - 149, 153, - 157, 161, 165 - }; - u16 channel; - u32 freq; - - for (i = 0; i < IEEE80211_NUM_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; - } - } - - for (i = 0; i < 37; i++) { - channel = channels[i]; - freq = rtw_ch2freq(channel); - - ch = ieee80211_get_channel(wiphy, freq); - if (ch) { - if (channel <= 11) - ch->flags = 0; - else - ch->flags = 0; //IEEE80211_CHAN_PASSIVE_SCAN; - } - //printk("%s: freq %d(%d) flag 0x%02X \n", __func__, freq, channel, ch->flags); - } -#endif -} - -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: - // DBG_8192C("%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: - // DBG_8192C("%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: - // DBG_8192C("%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: - // DBG_8192C("%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) -{ -#if 0 - switch (reg->country_code) { - case COUNTRY_CODE_USER: - default: - return &rtw_regdom_rd; - } -#else - return &rtw_regdom_rd; -#endif -} - -void _rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) -{ - struct rtw_regulatory *reg = NULL; - - // DBG_8192C("%s\n", __func__); - - _rtw_reg_notifier_apply(wiphy, request, reg); -} - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)) -int rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) -#else -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; + return 0; } int rtw_regd_init(_adapter * padapter) { - 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; - } - - DBG_8192C("%s: Country alpha2 being used: %c%c\n", - __func__, rtw_regd->alpha2[0], rtw_regd->alpha2[1]); -#endif - - _rtw_regd_init_wiphy(NULL, wiphy); - return 0; } #endif //CONFIG_IOCTL_CFG80211 -