--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010 Realtek Corporation.
+ *
+ *****************************************************************************/
+
+#include <drv_types.h>
+
+#ifdef CONFIG_IOCTL_CFG80211
+
+#include <rtw_wifi_regd.h>
+
+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,
+ }
+};
+
+#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);
+ 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 < 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;
+ }
+ }
+ }
+
+ /* 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) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
+ ch->flags = 0;
+#elif (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;
+ }
+ }
+
+#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:
+ 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)
+{
+#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;
+
+ RTW_INFO("%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;
+}
+
+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;
+ }
+
+ 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);
+
+ return 0;
+}
+#endif /* CONFIG_IOCTL_CFG80211 */
projects / firefly-linux-kernel-4.4.55.git / blobdiff