Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Larry Finger | 1418 | 82.83% | 6 | 40.00% |
Chaoming Li | 148 | 8.64% | 1 | 6.67% |
Shao Fu | 107 | 6.25% | 1 | 6.67% |
Johannes Berg | 23 | 1.34% | 2 | 13.33% |
Luis R. Rodriguez | 11 | 0.64% | 2 | 13.33% |
Joe Perches | 3 | 0.18% | 1 | 6.67% |
Colin Ian King | 2 | 0.12% | 2 | 13.33% |
Total | 1712 | 15 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009-2012 Realtek Corporation.*/ #include "wifi.h" #include "regd.h" static struct country_code_to_enum_rd all_countries[] = { {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"}, {COUNTRY_CODE_WORLD_WIDE_13_5G_ALL, "US"}, }; /* *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, 0) /* 5G chan 100 - chan 165*/ #define RTL819x_5GHZ_5470_5850 \ REG_RULE(5470-10, 5850+10, 80, 0, 30, 0) /* 5G chan 149 - chan 165*/ #define RTL819x_5GHZ_5725_5850 \ REG_RULE(5725-10, 5850+10, 80, 0, 30, 0) #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_12_13_5g_all = { .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { RTL819x_2GHZ_CH01_11, RTL819x_2GHZ_CH12_13, RTL819x_5GHZ_5150_5350, RTL819x_5GHZ_5470_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 nl80211_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 < NUM_NL80211_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[NL80211_BAND_2GHZ]) return; sband = wiphy->bands[NL80211_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[NL80211_BAND_5GHZ]) return; sband = wiphy->bands[NL80211_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 nl80211_band band; struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; unsigned int i; for (band = 0; band < NUM_NL80211_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 _rtl_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_TELEC_NETGEAR: return &rtl_regdom_60_64; case COUNTRY_CODE_ETSI: case COUNTRY_CODE_SPAIN: case COUNTRY_CODE_FRANCE: case COUNTRY_CODE_ISRAEL: 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; case COUNTRY_CODE_WORLD_WIDE_13: case COUNTRY_CODE_WORLD_WIDE_13_5G_ALL: return &rtl_regdom_12_13_5g_all; default: return &rtl_regdom_no_midband; } } static int _rtl_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(all_countries); i++) { if (all_countries[i].countrycode == countrycode) return &all_countries[i]; } return NULL; } static u8 channel_plan_to_country_code(u8 channelplan) { switch (channelplan) { case 0x20: case 0x21: return COUNTRY_CODE_WORLD_WIDE_13; case 0x22: return COUNTRY_CODE_IC; case 0x25: return COUNTRY_CODE_ETSI; case 0x32: return COUNTRY_CODE_TELEC_NETGEAR; case 0x41: return COUNTRY_CODE_GLOBAL_DOMAIN; case 0x7f: return COUNTRY_CODE_WORLD_WIDE_13_5G_ALL; default: return COUNTRY_CODE_MAX; /*Error*/ } } int rtl_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 = channel_plan_to_country_code(rtlpriv->efuse.channel_plan); RT_TRACE(rtlpriv, COMP_REGD, DBG_DMESG, "rtl: EEPROM regdomain: 0x%0x country code: %d\n", rtlpriv->efuse.channel_plan, rtlpriv->regd.country_code); if (rtlpriv->regd.country_code >= COUNTRY_CODE_MAX) { RT_TRACE(rtlpriv, COMP_REGD, DBG_DMESG, "rtl: EEPROM indicates invalid country 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(rtlpriv, COMP_REGD, DBG_TRACE, "rtl: Country alpha2 being used: %c%c\n", rtlpriv->regd.alpha2[0], rtlpriv->regd.alpha2[1]); _rtl_regd_init_wiphy(&rtlpriv->regd, wiphy, reg_notifier); return 0; } void rtl_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(rtlpriv, COMP_REGD, DBG_LOUD, "\n"); _rtl_reg_notifier_apply(wiphy, request, &rtlpriv->regd); }
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