--- /dev/null
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "regd.h"
+#include "regd_common.h"
+
+/*
+ * This is a set of common rules used by our world regulatory domains.
+ * We have 12 world regulatory domains. To save space we consolidate
+ * the regulatory domains in 5 structures by frequency and change
+ * the flags on our reg_notifier() on a case by case basis.
+ */
+
+/* Only these channels all allow active scan on all world regulatory domains */
+#define ATH9K_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 ATH9K_2GHZ_CH12_13 REG_RULE(2467-10, 2472+10, 40, 0, 20,\
+ NL80211_RRF_PASSIVE_SCAN)
+#define ATH9K_2GHZ_CH14 REG_RULE(2484-10, 2484+10, 40, 0, 20,\
+ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM)
+
+/* We allow IBSS on these on a case by case basis by regulatory domain */
+#define ATH9K_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 40, 0, 30,\
+ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+#define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 40, 0, 30,\
+ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+#define ATH9K_5GHZ_5725_5850 REG_RULE(5725-10, 5850+10, 40, 0, 30,\
+ NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+#define ATH9K_2GHZ_ALL ATH9K_2GHZ_CH01_11, \
+ ATH9K_2GHZ_CH12_13, \
+ ATH9K_2GHZ_CH14
+
+#define ATH9K_5GHZ_ALL ATH9K_5GHZ_5150_5350, \
+ ATH9K_5GHZ_5470_5850
+
+/* This one skips what we call "mid band" */
+#define ATH9K_5GHZ_NO_MIDBAND ATH9K_5GHZ_5150_5350, \
+ ATH9K_5GHZ_5725_5850
+
+///* Can be used for:
+// * 0x60, 0x61, 0x62 */
+//static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {
+// .n_reg_rules = 5,
+// .alpha2 = "99",
+// .reg_rules = {
+// ATH9K_2GHZ_ALL,
+// ATH9K_5GHZ_ALL,
+// }
+//};
+//
+///* Can be used by 0x63 and 0x65 */
+//static const struct ieee80211_regdomain ath_world_regdom_63_65 = {
+// .n_reg_rules = 4,
+// .alpha2 = "99",
+// .reg_rules = {
+// ATH9K_2GHZ_CH01_11,
+// ATH9K_2GHZ_CH12_13,
+// ATH9K_5GHZ_NO_MIDBAND,
+// }
+//};
+//
+///* Can be used by 0x64 only */
+//static const struct ieee80211_regdomain ath_world_regdom_64 = {
+// .n_reg_rules = 3,
+// .alpha2 = "99",
+// .reg_rules = {
+// ATH9K_2GHZ_CH01_11,
+// ATH9K_5GHZ_NO_MIDBAND,
+// }
+//};
+//
+///* Can be used by 0x66 and 0x69 */
+//static const struct ieee80211_regdomain ath_world_regdom_66_69 = {
+// .n_reg_rules = 3,
+// .alpha2 = "99",
+// .reg_rules = {
+// ATH9K_2GHZ_CH01_11,
+// ATH9K_5GHZ_ALL,
+// }
+//};
+//
+///* Can be used by 0x67, 0x68, 0x6A and 0x6C */
+//static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {
+// .n_reg_rules = 4,
+// .alpha2 = "99",
+// .reg_rules = {
+// ATH9K_2GHZ_CH01_11,
+// ATH9K_2GHZ_CH12_13,
+// ATH9K_5GHZ_ALL,
+// }
+//};
+//
+//static inline int is_wwr_sku(u16 regd)
+//{
+// return ((regd & COUNTRY_ERD_FLAG) != COUNTRY_ERD_FLAG) &&
+// (((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
+// (regd == WORLD));
+//}
+//
+//static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg)
+//{
+// return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG;
+//}
+//
+//int ath_is_world_regd(struct ath_regulatory *reg)
+//{
+// return is_wwr_sku(ath_regd_get_eepromRD(reg));
+//}
+//
+//static const struct ieee80211_regdomain *ath_default_world_regdomain(void)
+//{
+// /* this is the most restrictive */
+// return &ath_world_regdom_64;
+//}
+//
+//static const struct
+//ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg)
+//{
+// switch (reg->regpair->regDmnEnum) {
+// case 0x60:
+// case 0x61:
+// case 0x62:
+// return &ath_world_regdom_60_61_62;
+// case 0x63:
+// case 0x65:
+// return &ath_world_regdom_63_65;
+// case 0x64:
+// return &ath_world_regdom_64;
+// case 0x66:
+// case 0x69:
+// return &ath_world_regdom_66_69;
+// case 0x67:
+// case 0x68:
+// case 0x6A:
+// case 0x6C:
+// return &ath_world_regdom_67_68_6A_6C;
+// default:
+// WARN_ON(1);
+// return ath_default_world_regdomain();
+// }
+//}
+//
+//int ath_is_49ghz_allowed(u16 regdomain)
+//{
+// /* possibly more */
+// return regdomain == MKK9_MKKC;
+//}
+//
+///* Frequency is one where radar detection is required */
+//static int ath_is_radar_freq(u16 center_freq)
+//{
+// return (center_freq >= 5260 && center_freq <= 5700);
+//}
+//
+///*
+// * N.B: These exception rules do not apply radar freqs.
+// *
+// * - We enable adhoc (or beaconing) if allowed by 11d
+// * - We enable active scan if the channel is allowed by 11d
+// * - If no country IE has been processed and a we determine we have
+// * received a beacon on a channel we can enable active scan and
+// * adhoc (or beaconing).
+// */
+//static void
+//ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
+// enum nl80211_reg_initiator initiator)
+//{
+// int band;
+// struct ieee80211_supported_band *sband;
+// const struct ieee80211_reg_rule *reg_rule;
+// struct net80211_channel *ch;
+// unsigned int i;
+// u32 bandwidth = 0;
+// int r;
+//
+// for (band = 0; band < NET80211_NR_BANDS; band++) {
+//
+// if (!wiphy->bands[band])
+// continue;
+//
+// sband = wiphy->bands[band];
+//
+// for (i = 0; i < sband->n_channels; i++) {
+//
+// ch = &sband->channels[i];
+//
+// if (ath_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
+//ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
+// enum nl80211_reg_initiator initiator)
+//{
+// struct ieee80211_supported_band *sband;
+// struct net80211_channel *ch;
+// const struct ieee80211_reg_rule *reg_rule;
+// u32 bandwidth = 0;
+// int r;
+//
+// sband = wiphy->bands[NET80211_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;
+// }
+//}
+//
+///* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
+//static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
+//{
+// struct ieee80211_supported_band *sband;
+// struct net80211_channel *ch;
+// unsigned int i;
+//
+// if (!wiphy->bands[NET80211_BAND_5GHZ])
+// return;
+//
+// sband = wiphy->bands[NET80211_BAND_5GHZ];
+//
+// for (i = 0; i < sband->n_channels; i++) {
+// ch = &sband->channels[i];
+// if (!ath_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 ath_reg_apply_world_flags(struct wiphy *wiphy,
+// enum nl80211_reg_initiator initiator,
+// struct ath_regulatory *reg)
+//{
+// switch (reg->regpair->regDmnEnum) {
+// case 0x60:
+// case 0x63:
+// case 0x66:
+// case 0x67:
+// case 0x6C:
+// ath_reg_apply_beaconing_flags(wiphy, initiator);
+// break;
+// case 0x68:
+// ath_reg_apply_beaconing_flags(wiphy, initiator);
+// ath_reg_apply_active_scan_flags(wiphy, initiator);
+// break;
+// }
+//}
+//
+//int ath_reg_notifier_apply(struct wiphy *wiphy,
+// struct regulatory_request *request,
+// struct ath_regulatory *reg)
+//{
+// /* We always apply this */
+// ath_reg_apply_radar_flags(wiphy);
+//
+// /*
+// * This would happen when we have sent a custom regulatory request
+// * a world regulatory domain and the scheduler hasn't yet processed
+// * any pending requests in the queue.
+// */
+// if (!request)
+// return 0;
+//
+// 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:
+// if (ath_is_world_regd(reg))
+// ath_reg_apply_world_flags(wiphy, request->initiator,
+// reg);
+// break;
+// }
+//
+// return 0;
+//}
+//
+//static int ath_regd_is_eeprom_valid(struct ath_regulatory *reg)
+//{
+// u16 rd = ath_regd_get_eepromRD(reg);
+// int i;
+//
+// if (rd & COUNTRY_ERD_FLAG) {
+// /* EEPROM value is a country code */
+// u16 cc = rd & ~COUNTRY_ERD_FLAG;
+// DBG2(
+// "ath: EEPROM indicates we should expect "
+// "a country code\n");
+// for (i = 0; i < ARRAY_SIZE(allCountries); i++)
+// if (allCountries[i].countryCode == cc)
+// return 1;
+// } else {
+// /* EEPROM value is a regpair value */
+// if (rd != CTRY_DEFAULT)
+// DBG2("ath: EEPROM indicates we "
+// "should expect a direct regpair map\n");
+// for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
+// if (regDomainPairs[i].regDmnEnum == rd)
+// return 1;
+// }
+// DBG(
+// "ath: invalid regulatory domain/country code 0x%x\n", rd);
+// return 0;
+//}
+//
+///* EEPROM country code to regpair mapping */
+//static struct country_code_to_enum_rd*
+//ath_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;
+//}
+//
+///* EEPROM rd code to regpair mapping */
+//static struct country_code_to_enum_rd*
+//ath_regd_find_country_by_rd(int regdmn)
+//{
+// int i;
+//
+// for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+// if (allCountries[i].regDmnEnum == regdmn)
+// return &allCountries[i];
+// }
+// return NULL;
+//}
+//
+///* Returns the map of the EEPROM set RD to a country code */
+//static u16 ath_regd_get_default_country(u16 rd)
+//{
+// if (rd & COUNTRY_ERD_FLAG) {
+// struct country_code_to_enum_rd *country = NULL;
+// u16 cc = rd & ~COUNTRY_ERD_FLAG;
+//
+// country = ath_regd_find_country(cc);
+// if (country != NULL)
+// return cc;
+// }
+//
+// return CTRY_DEFAULT;
+//}
+//
+//static struct reg_dmn_pair_mapping*
+//ath_get_regpair(int regdmn)
+//{
+// int i;
+//
+// if (regdmn == NO_ENUMRD)
+// return NULL;
+// for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
+// if (regDomainPairs[i].regDmnEnum == regdmn)
+// return ®DomainPairs[i];
+// }
+// return NULL;
+//}
+//
+//static int
+//ath_regd_init_wiphy(struct ath_regulatory *reg,
+// struct wiphy *wiphy,
+// int (*reg_notifier)(struct wiphy *wiphy,
+// struct regulatory_request *request))
+//{
+// const struct ieee80211_regdomain *regd;
+//
+// wiphy->reg_notifier = reg_notifier;
+// wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+//
+// if (ath_is_world_regd(reg)) {
+// /*
+// * Anything applied here (prior to wiphy registration) gets
+// * saved on the wiphy orig_* parameters
+// */
+// regd = ath_world_regdomain(reg);
+// wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+// } else {
+// /*
+// * This gets applied in the case of the absence of CRDA,
+// * it's our own custom world regulatory domain, similar to
+// * cfg80211's but we enable passive scanning.
+// */
+// regd = ath_default_world_regdomain();
+// }
+// wiphy_apply_custom_regulatory(wiphy, regd);
+// ath_reg_apply_radar_flags(wiphy);
+// ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
+// return 0;
+//}
+//
+///*
+// * Some users have reported their EEPROM programmed with
+// * 0x8000 set, this is not a supported regulatory domain
+// * but since we have more than one user with it we need
+// * a solution for them. We default to 0x64, which is the
+// * default Atheros world regulatory domain.
+// */
+//static void ath_regd_sanitize(struct ath_regulatory *reg)
+//{
+// if (reg->current_rd != COUNTRY_ERD_FLAG)
+// return;
+// DBG2("ath: EEPROM regdomain sanitized\n");
+// reg->current_rd = 0x64;
+//}
+//
+//int
+//ath_regd_init(struct ath_regulatory *reg,
+// struct wiphy *wiphy,
+// int (*reg_notifier)(struct wiphy *wiphy,
+// struct regulatory_request *request))
+//{
+// struct country_code_to_enum_rd *country = NULL;
+// u16 regdmn;
+//
+// if (!reg)
+// return -EINVAL;
+//
+// ath_regd_sanitize(reg);
+//
+// DBG2("ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
+//
+// if (!ath_regd_is_eeprom_valid(reg)) {
+// DBG("ath: Invalid EEPROM contents\n");
+// return -EINVAL;
+// }
+//
+// regdmn = ath_regd_get_eepromRD(reg);
+// reg->country_code = ath_regd_get_default_country(regdmn);
+//
+// if (reg->country_code == CTRY_DEFAULT &&
+// regdmn == CTRY_DEFAULT) {
+// DBG2("ath: EEPROM indicates default "
+// "country code should be used\n");
+// reg->country_code = CTRY_UNITED_STATES;
+// }
+//
+// if (reg->country_code == CTRY_DEFAULT) {
+// country = NULL;
+// } else {
+// DBG2("ath: doing EEPROM country->regdmn "
+// "map search\n");
+// country = ath_regd_find_country(reg->country_code);
+// if (country == NULL) {
+// DBG(
+// "ath: no valid country maps found for "
+// "country code: 0x%0x\n",
+// reg->country_code);
+// return -EINVAL;
+// } else {
+// regdmn = country->regDmnEnum;
+// DBG2("ath: country maps to "
+// "regdmn code: 0x%0x\n",
+// regdmn);
+// }
+// }
+//
+// reg->regpair = ath_get_regpair(regdmn);
+//
+// if (!reg->regpair) {
+// DBG("ath: "
+// "No regulatory domain pair found, cannot continue\n");
+// return -EINVAL;
+// }
+//
+// if (!country)
+// country = ath_regd_find_country_by_rd(regdmn);
+//
+// if (country) {
+// reg->alpha2[0] = country->isoName[0];
+// reg->alpha2[1] = country->isoName[1];
+// } else {
+// reg->alpha2[0] = '0';
+// reg->alpha2[1] = '0';
+// }
+//
+// DBG2("ath: Country alpha2 being used: %c%c\n",
+// reg->alpha2[0], reg->alpha2[1]);
+// DBG2("ath: Regpair used: 0x%0x\n",
+// reg->regpair->regDmnEnum);
+//
+// ath_regd_init_wiphy(reg, wiphy, reg_notifier);
+// return 0;
+//}
+
+u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
+ int band)
+{
+ /* TODO Cottsay: reg */
+// if (!reg->regpair ||
+// (reg->country_code == CTRY_DEFAULT &&
+// is_wwr_sku(ath_regd_get_eepromRD(reg)))) {
+// return SD_NO_CTL;
+// }
+
+ switch (band) {
+ case NET80211_BAND_2GHZ:
+ return reg->regpair->reg_2ghz_ctl;
+ case NET80211_BAND_5GHZ:
+ return reg->regpair->reg_5ghz_ctl;
+ default:
+ return NO_CTL;
+ }
+}
Code Review / kvmfornfv.git / blobdiff