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path: root/drivers/net/wireless/ath9k/regd.c
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-rw-r--r--drivers/net/wireless/ath9k/regd.c1248
1 files changed, 377 insertions, 871 deletions
diff --git a/drivers/net/wireless/ath9k/regd.c b/drivers/net/wireless/ath9k/regd.c
index 64043e99facf..4ca625102291 100644
--- a/drivers/net/wireless/ath9k/regd.c
+++ b/drivers/net/wireless/ath9k/regd.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -16,998 +16,504 @@
#include <linux/kernel.h>
#include <linux/slab.h>
-#include "core.h"
-#include "hw.h"
-#include "regd.h"
+#include "ath9k.h"
#include "regd_common.h"
-static int ath9k_regd_chansort(const void *a, const void *b)
-{
- const struct ath9k_channel *ca = a;
- const struct ath9k_channel *cb = b;
+/*
+ * 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.
+ */
- return (ca->channel == cb->channel) ?
- (ca->channelFlags & CHAN_FLAGS) -
- (cb->channelFlags & CHAN_FLAGS) : ca->channel - cb->channel;
+/* 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 ath9k_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 ath9k_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 ath9k_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 ath9k_world_regdom_66_69 = {
+ .n_reg_rules = 3,
+ .alpha2 = "99",
+ .reg_rules = {
+ ATH9K_2GHZ_CH01_11,
+ ATH9K_5GHZ_ALL,
+ }
+};
+
+/* Can be used by 0x67, 0x6A and 0x68 */
+static const struct ieee80211_regdomain ath9k_world_regdom_67_68_6A = {
+ .n_reg_rules = 4,
+ .alpha2 = "99",
+ .reg_rules = {
+ ATH9K_2GHZ_CH01_11,
+ ATH9K_2GHZ_CH12_13,
+ ATH9K_5GHZ_ALL,
+ }
+};
+
+static inline bool is_wwr_sku(u16 regd)
+{
+ return ((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
+ (regd == WORLD);
}
-static void
-ath9k_regd_sort(void *a, u32 n, u32 size, ath_hal_cmp_t *cmp)
+static u16 ath9k_regd_get_eepromRD(struct ath_hw *ah)
{
- u8 *aa = a;
- u8 *ai, *t;
-
- for (ai = aa + size; --n >= 1; ai += size)
- for (t = ai; t > aa; t -= size) {
- u8 *u = t - size;
- if (cmp(u, t) <= 0)
- break;
- swap_array(u, t, size);
- }
+ return ah->regulatory.current_rd & ~WORLDWIDE_ROAMING_FLAG;
}
-static u16 ath9k_regd_get_eepromRD(struct ath_hal *ah)
+bool ath9k_is_world_regd(struct ath_hw *ah)
{
- return ah->ah_currentRD & ~WORLDWIDE_ROAMING_FLAG;
+ return is_wwr_sku(ath9k_regd_get_eepromRD(ah));
}
-static bool ath9k_regd_is_chan_bm_zero(u64 *bitmask)
+const struct ieee80211_regdomain *ath9k_default_world_regdomain(void)
{
- int i;
-
- for (i = 0; i < BMLEN; i++) {
- if (bitmask[i] != 0)
- return false;
- }
- return true;
+ /* this is the most restrictive */
+ return &ath9k_world_regdom_64;
}
-static bool ath9k_regd_is_eeprom_valid(struct ath_hal *ah)
+const struct ieee80211_regdomain *ath9k_world_regdomain(struct ath_hw *ah)
{
- u16 rd = ath9k_regd_get_eepromRD(ah);
- int i;
-
- if (rd & COUNTRY_ERD_FLAG) {
- u16 cc = rd & ~COUNTRY_ERD_FLAG;
- for (i = 0; i < ARRAY_SIZE(allCountries); i++)
- if (allCountries[i].countryCode == cc)
- return true;
- } else {
- for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
- if (regDomainPairs[i].regDmnEnum == rd)
- return true;
+ switch (ah->regulatory.regpair->regDmnEnum) {
+ case 0x60:
+ case 0x61:
+ case 0x62:
+ return &ath9k_world_regdom_60_61_62;
+ case 0x63:
+ case 0x65:
+ return &ath9k_world_regdom_63_65;
+ case 0x64:
+ return &ath9k_world_regdom_64;
+ case 0x66:
+ case 0x69:
+ return &ath9k_world_regdom_66_69;
+ case 0x67:
+ case 0x68:
+ case 0x6A:
+ return &ath9k_world_regdom_67_68_6A;
+ default:
+ WARN_ON(1);
+ return ath9k_default_world_regdomain();
}
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "invalid regulatory domain/country code 0x%x\n", rd);
- return false;
}
-static bool ath9k_regd_is_fcc_midband_supported(struct ath_hal *ah)
+/* Frequency is one where radar detection is required */
+static bool ath9k_is_radar_freq(u16 center_freq)
{
- u32 regcap;
-
- regcap = ah->ah_caps.reg_cap;
-
- if (regcap & AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND)
- return true;
- else
- return false;
+ return (center_freq >= 5260 && center_freq <= 5700);
}
-static bool ath9k_regd_is_ccode_valid(struct ath_hal *ah,
- u16 cc)
+/*
+ * 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 ath9k_reg_apply_beaconing_flags(
+ struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator)
{
- u16 rd;
- int i;
+ 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;
- if (cc == CTRY_DEFAULT)
- return true;
- if (cc == CTRY_DEBUG)
- return true;
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
- rd = ath9k_regd_get_eepromRD(ah);
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "EEPROM regdomain 0x%x\n", rd);
-
- if (rd & COUNTRY_ERD_FLAG) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "EEPROM setting is country code %u\n",
- rd & ~COUNTRY_ERD_FLAG);
- return cc == (rd & ~COUNTRY_ERD_FLAG);
- }
+ if (!wiphy->bands[band])
+ continue;
- for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
- if (cc == allCountries[i].countryCode) {
-#ifdef AH_SUPPORT_11D
- if ((rd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)
- return true;
-#endif
- if (allCountries[i].regDmnEnum == rd ||
- rd == DEBUG_REG_DMN || rd == NO_ENUMRD)
- return true;
+ sband = wiphy->bands[band];
+
+ for (i = 0; i < sband->n_channels; i++) {
+
+ ch = &sband->channels[i];
+
+ if (ath9k_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, &reg_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);
+ }
}
}
- return false;
-}
-
-static void
-ath9k_regd_get_wmodes_nreg(struct ath_hal *ah,
- struct country_code_to_enum_rd *country,
- struct regDomain *rd5GHz,
- unsigned long *modes_allowed)
-{
- bitmap_copy(modes_allowed, ah->ah_caps.wireless_modes, ATH9K_MODE_MAX);
-
- if (test_bit(ATH9K_MODE_11G, ah->ah_caps.wireless_modes) &&
- (!country->allow11g))
- clear_bit(ATH9K_MODE_11G, modes_allowed);
- if (test_bit(ATH9K_MODE_11A, ah->ah_caps.wireless_modes) &&
- (ath9k_regd_is_chan_bm_zero(rd5GHz->chan11a)))
- clear_bit(ATH9K_MODE_11A, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NG_HT20, ah->ah_caps.wireless_modes)
- && (!country->allow11ng20))
- clear_bit(ATH9K_MODE_11NG_HT20, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NA_HT20, ah->ah_caps.wireless_modes)
- && (!country->allow11na20))
- clear_bit(ATH9K_MODE_11NA_HT20, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NG_HT40PLUS, ah->ah_caps.wireless_modes) &&
- (!country->allow11ng40))
- clear_bit(ATH9K_MODE_11NG_HT40PLUS, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NG_HT40MINUS, ah->ah_caps.wireless_modes) &&
- (!country->allow11ng40))
- clear_bit(ATH9K_MODE_11NG_HT40MINUS, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NA_HT40PLUS, ah->ah_caps.wireless_modes) &&
- (!country->allow11na40))
- clear_bit(ATH9K_MODE_11NA_HT40PLUS, modes_allowed);
-
- if (test_bit(ATH9K_MODE_11NA_HT40MINUS, ah->ah_caps.wireless_modes) &&
- (!country->allow11na40))
- clear_bit(ATH9K_MODE_11NA_HT40MINUS, modes_allowed);
}
-bool ath9k_regd_is_public_safety_sku(struct ath_hal *ah)
+/* Allows active scan scan on Ch 12 and 13 */
+static void ath9k_reg_apply_active_scan_flags(
+ struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator)
{
- u16 rd;
-
- rd = ath9k_regd_get_eepromRD(ah);
-
- switch (rd) {
- case FCC4_FCCA:
- case (CTRY_UNITED_STATES_FCC49 | COUNTRY_ERD_FLAG):
- return true;
- case DEBUG_REG_DMN:
- case NO_ENUMRD:
- if (ah->ah_countryCode == CTRY_UNITED_STATES_FCC49)
- return true;
- break;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *ch;
+ const struct ieee80211_reg_rule *reg_rule;
+ u32 bandwidth = 0;
+ int r;
+
+ 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;
}
- return false;
-}
-static struct country_code_to_enum_rd*
-ath9k_regd_find_country(u16 countryCode)
-{
- int i;
+ /*
+ * 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.
+ */
- for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
- if (allCountries[i].countryCode == countryCode)
- return &allCountries[i];
+ ch = &sband->channels[11]; /* CH 12 */
+ r = freq_reg_info(wiphy, ch->center_freq, &bandwidth, &reg_rule);
+ if (!r) {
+ if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+ if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
}
- return NULL;
-}
-
-static u16 ath9k_regd_get_default_country(struct ath_hal *ah)
-{
- u16 rd;
- int i;
-
- rd = ath9k_regd_get_eepromRD(ah);
- if (rd & COUNTRY_ERD_FLAG) {
- struct country_code_to_enum_rd *country = NULL;
- u16 cc = rd & ~COUNTRY_ERD_FLAG;
- country = ath9k_regd_find_country(cc);
- if (country != NULL)
- return cc;
+ ch = &sband->channels[12]; /* CH 13 */
+ r = freq_reg_info(wiphy, ch->center_freq, &bandwidth, &reg_rule);
+ if (!r) {
+ if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+ if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
}
-
- for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
- if (regDomainPairs[i].regDmnEnum == rd) {
- if (regDomainPairs[i].singleCC != 0)
- return regDomainPairs[i].singleCC;
- else
- i = ARRAY_SIZE(regDomainPairs);
- }
- return CTRY_DEFAULT;
}
-static bool ath9k_regd_is_valid_reg_domain(int regDmn,
- struct regDomain *rd)
+/* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
+void ath9k_reg_apply_radar_flags(struct wiphy *wiphy)
{
- int i;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *ch;
+ unsigned int i;
- for (i = 0; i < ARRAY_SIZE(regDomains); i++) {
- if (regDomains[i].regDmnEnum == regDmn) {
- if (rd != NULL) {
- memcpy(rd, &regDomains[i],
- sizeof(struct regDomain));
- }
- return true;
- }
- }
- return false;
-}
+ if (!wiphy->bands[IEEE80211_BAND_5GHZ])
+ return;
-static bool ath9k_regd_is_valid_reg_domainPair(int regDmnPair)
-{
- int i;
+ sband = wiphy->bands[IEEE80211_BAND_5GHZ];
- if (regDmnPair == NO_ENUMRD)
- return false;
- for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
- if (regDomainPairs[i].regDmnEnum == regDmnPair)
- return true;
+ for (i = 0; i < sband->n_channels; i++) {
+ ch = &sband->channels[i];
+ if (!ath9k_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;
}
- return false;
}
-static bool
-ath9k_regd_get_wmode_regdomain(struct ath_hal *ah, int regDmn,
- u16 channelFlag, struct regDomain *rd)
+void ath9k_reg_apply_world_flags(struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator)
{
- int i, found;
- u64 flags = NO_REQ;
- struct reg_dmn_pair_mapping *regPair = NULL;
- int regOrg;
-
- regOrg = regDmn;
- if (regDmn == CTRY_DEFAULT) {
- u16 rdnum;
- rdnum = ath9k_regd_get_eepromRD(ah);
-
- if (!(rdnum & COUNTRY_ERD_FLAG)) {
- if (ath9k_regd_is_valid_reg_domain(rdnum, NULL) ||
- ath9k_regd_is_valid_reg_domainPair(rdnum)) {
- regDmn = rdnum;
- }
- }
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_hw *ah = sc->sc_ah;
+
+ switch (ah->regulatory.regpair->regDmnEnum) {
+ case 0x60:
+ case 0x63:
+ case 0x66:
+ case 0x67:
+ ath9k_reg_apply_beaconing_flags(wiphy, initiator);
+ break;
+ case 0x68:
+ ath9k_reg_apply_beaconing_flags(wiphy, initiator);
+ ath9k_reg_apply_active_scan_flags(wiphy, initiator);
+ break;
}
+ return;
+}
- if ((regDmn & MULTI_DOMAIN_MASK) == 0) {
- for (i = 0, found = 0;
- (i < ARRAY_SIZE(regDomainPairs)) && (!found); i++) {
- if (regDomainPairs[i].regDmnEnum == regDmn) {
- regPair = &regDomainPairs[i];
- found = 1;
- }
- }
- if (!found) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Failed to find reg domain pair %u\n", regDmn);
- return false;
- }
- if (!(channelFlag & CHANNEL_2GHZ)) {
- regDmn = regPair->regDmn5GHz;
- flags = regPair->flags5GHz;
- }
- if (channelFlag & CHANNEL_2GHZ) {
- regDmn = regPair->regDmn2GHz;
- flags = regPair->flags2GHz;
- }
- }
+int ath9k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
- found = ath9k_regd_is_valid_reg_domain(regDmn, rd);
- if (!found) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Failed to find unitary reg domain %u\n", regDmn);
- return false;
- } else {
- rd->pscan &= regPair->pscanMask;
- if (((regOrg & MULTI_DOMAIN_MASK) == 0) &&
- (flags != NO_REQ)) {
- rd->flags = flags;
- }
+ /* We always apply this */
+ ath9k_reg_apply_radar_flags(wiphy);
- rd->flags &= (channelFlag & CHANNEL_2GHZ) ?
- REG_DOMAIN_2GHZ_MASK : REG_DOMAIN_5GHZ_MASK;
- return true;
+ 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 (ath9k_is_world_regd(sc->sc_ah))
+ ath9k_reg_apply_world_flags(wiphy, request->initiator);
+ break;
}
-}
-static bool ath9k_regd_is_bit_set(int bit, u64 *bitmask)
-{
- int byteOffset, bitnum;
- u64 val;
-
- byteOffset = bit / 64;
- bitnum = bit - byteOffset * 64;
- val = ((u64) 1) << bitnum;
- if (bitmask[byteOffset] & val)
- return true;
- else
- return false;
+ return 0;
}
-static void
-ath9k_regd_add_reg_classid(u8 *regclassids, u32 maxregids,
- u32 *nregids, u8 regclassid)
+bool ath9k_regd_is_eeprom_valid(struct ath_hw *ah)
{
+ u16 rd = ath9k_regd_get_eepromRD(ah);
int i;
- if (regclassid == 0)
- return;
-
- for (i = 0; i < maxregids; i++) {
- if (regclassids[i] == regclassid)
- return;
- if (regclassids[i] == 0)
- break;
- }
-
- if (i == maxregids)
- return;
- else {
- regclassids[i] = regclassid;
- *nregids += 1;
+ if (rd & COUNTRY_ERD_FLAG) {
+ /* EEPROM value is a country code */
+ u16 cc = rd & ~COUNTRY_ERD_FLAG;
+ for (i = 0; i < ARRAY_SIZE(allCountries); i++)
+ if (allCountries[i].countryCode == cc)
+ return true;
+ } else {
+ /* EEPROM value is a regpair value */
+ for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
+ if (regDomainPairs[i].regDmnEnum == rd)
+ return true;
}
-
- return;
+ DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
+ "invalid regulatory domain/country code 0x%x\n", rd);
+ return false;
}
-static bool
-ath9k_regd_get_eeprom_reg_ext_bits(struct ath_hal *ah,
- enum reg_ext_bitmap bit)
+/* EEPROM country code to regpair mapping */
+static struct country_code_to_enum_rd*
+ath9k_regd_find_country(u16 countryCode)
{
- return (ah->ah_currentRDExt & (1 << bit)) ? true : false;
-}
-
-#ifdef ATH_NF_PER_CHAN
+ int i;
-static void ath9k_regd_init_rf_buffer(struct ath9k_channel *ichans,
- int nchans)
-{
- int i, j, next;
-
- for (next = 0; next < nchans; next++) {
- for (i = 0; i < NUM_NF_READINGS; i++) {
- ichans[next].nfCalHist[i].currIndex = 0;
- ichans[next].nfCalHist[i].privNF =
- AR_PHY_CCA_MAX_GOOD_VALUE;
- ichans[next].nfCalHist[i].invalidNFcount =
- AR_PHY_CCA_FILTERWINDOW_LENGTH;
- for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
- ichans[next].nfCalHist[i].nfCalBuffer[j] =
- AR_PHY_CCA_MAX_GOOD_VALUE;
- }
- }
+ for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+ if (allCountries[i].countryCode == countryCode)
+ return &allCountries[i];
}
+ return NULL;
}
-#endif
-static int ath9k_regd_is_chan_present(struct ath_hal *ah,
- u16 c)
+/* EEPROM rd code to regpair mapping */
+static struct country_code_to_enum_rd*
+ath9k_regd_find_country_by_rd(int regdmn)
{
int i;
- for (i = 0; i < 150; i++) {
- if (!ah->ah_channels[i].channel)
- return -1;
- else if (ah->ah_channels[i].channel == c)
- return i;
+ for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+ if (allCountries[i].regDmnEnum == regdmn)
+ return &allCountries[i];
}
-
- return -1;
+ return NULL;
}
-static bool
-ath9k_regd_add_channel(struct ath_hal *ah,
- u16 c,
- u16 c_lo,
- u16 c_hi,
- u16 maxChan,
- u8 ctl,
- int pos,
- struct regDomain rd5GHz,
- struct RegDmnFreqBand *fband,
- struct regDomain *rd,
- const struct cmode *cm,
- struct ath9k_channel *ichans,
- bool enableExtendedChannels)
+/* Returns the map of the EEPROM set RD to a country code */
+static u16 ath9k_regd_get_default_country(u16 rd)
{
- struct ath9k_channel *chan;
- int ret;
- u32 channelFlags = 0;
- u8 privFlags = 0;
-
- if (!(c_lo <= c && c <= c_hi)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "c %u out of range [%u..%u]\n",
- c, c_lo, c_hi);
- return false;
- }
- if ((fband->channelBW == CHANNEL_HALF_BW) &&
- !(ah->ah_caps.hw_caps & ATH9K_HW_CAP_CHAN_HALFRATE)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping %u half rate channel\n", c);
- return false;
- }
-
- if ((fband->channelBW == CHANNEL_QUARTER_BW) &&
- !(ah->ah_caps.hw_caps & ATH9K_HW_CAP_CHAN_QUARTERRATE)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping %u quarter rate channel\n", c);
- return false;
- }
-
- if (((c + fband->channelSep) / 2) > (maxChan + HALF_MAXCHANBW)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "c %u > maxChan %u\n", c, maxChan);
- return false;
- }
-
- if ((fband->usePassScan & IS_ECM_CHAN) && !enableExtendedChannels) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping ecm channel\n");
- return false;
- }
-
- if ((rd->flags & NO_HOSTAP) && (ah->ah_opmode == NL80211_IFTYPE_AP)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping HOSTAP channel\n");
- return false;
- }
-
- if (IS_HT40_MODE(cm->mode) &&
- !(ath9k_regd_get_eeprom_reg_ext_bits(ah, REG_EXT_FCC_DFS_HT40)) &&
- (fband->useDfs) &&
- (rd->conformanceTestLimit != MKK)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping HT40 channel (en_fcc_dfs_ht40 = 0)\n");
- return false;
- }
-
- if (IS_HT40_MODE(cm->mode) &&
- !(ath9k_regd_get_eeprom_reg_ext_bits(ah,
- REG_EXT_JAPAN_NONDFS_HT40)) &&
- !(fband->useDfs) && (rd->conformanceTestLimit == MKK)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping HT40 channel (en_jap_ht40 = 0)\n");
- return false;
- }
-
- if (IS_HT40_MODE(cm->mode) &&
- !(ath9k_regd_get_eeprom_reg_ext_bits(ah, REG_EXT_JAPAN_DFS_HT40)) &&
- (fband->useDfs) &&
- (rd->conformanceTestLimit == MKK)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping HT40 channel (en_jap_dfs_ht40 = 0)\n");
- return false;
- }
-
- /* Calculate channel flags */
-
- channelFlags = cm->flags;
-
- switch (fband->channelBW) {
- case CHANNEL_HALF_BW:
- channelFlags |= CHANNEL_HALF;
- break;
- case CHANNEL_QUARTER_BW:
- channelFlags |= CHANNEL_QUARTER;
- break;
- }
-
- if (fband->usePassScan & rd->pscan)
- channelFlags |= CHANNEL_PASSIVE;
- else
- channelFlags &= ~CHANNEL_PASSIVE;
- if (fband->useDfs & rd->dfsMask)
- privFlags = CHANNEL_DFS;
- else
- privFlags = 0;
- if (rd->flags & LIMIT_FRAME_4MS)
- privFlags |= CHANNEL_4MS_LIMIT;
- if (privFlags & CHANNEL_DFS)
- privFlags |= CHANNEL_DISALLOW_ADHOC;
- if (rd->flags & ADHOC_PER_11D)
- privFlags |= CHANNEL_PER_11D_ADHOC;
-
- if (channelFlags & CHANNEL_PASSIVE) {
- if ((c < 2412) || (c > 2462)) {
- if (rd5GHz.regDmnEnum == MKK1 ||
- rd5GHz.regDmnEnum == MKK2) {
- u32 regcap = ah->ah_caps.reg_cap;
- if (!(regcap &
- (AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
- AR_EEPROM_EEREGCAP_EN_KK_U2 |
- AR_EEPROM_EEREGCAP_EN_KK_MIDBAND)) &&
- isUNII1OddChan(c)) {
- channelFlags &= ~CHANNEL_PASSIVE;
- } else {
- privFlags |= CHANNEL_DISALLOW_ADHOC;
- }
- } else {
- privFlags |= CHANNEL_DISALLOW_ADHOC;
- }
- }
- }
-
- if ((cm->mode == ATH9K_MODE_11A) ||
- (cm->mode == ATH9K_MODE_11NA_HT20) ||
- (cm->mode == ATH9K_MODE_11NA_HT40PLUS) ||
- (cm->mode == ATH9K_MODE_11NA_HT40MINUS)) {
- if (rd->flags & (ADHOC_NO_11A | DISALLOW_ADHOC_11A))
- privFlags |= CHANNEL_DISALLOW_ADHOC;
- }
+ if (rd & COUNTRY_ERD_FLAG) {
+ struct country_code_to_enum_rd *country = NULL;
+ u16 cc = rd & ~COUNTRY_ERD_FLAG;
- /* Fill in channel details */
-
- ret = ath9k_regd_is_chan_present(ah, c);
- if (ret == -1) {
- chan = &ah->ah_channels[pos];
- chan->channel = c;
- chan->maxRegTxPower = fband->powerDfs;
- chan->antennaMax = fband->antennaMax;
- chan->regDmnFlags = rd->flags;
- chan->maxTxPower = AR5416_MAX_RATE_POWER;
- chan->minTxPower = AR5416_MAX_RATE_POWER;
- chan->channelFlags = channelFlags;
- chan->privFlags = privFlags;
- } else {
- chan = &ah->ah_channels[ret];
- chan->channelFlags |= channelFlags;
- chan->privFlags |= privFlags;
+ country = ath9k_regd_find_country(cc);
+ if (country != NULL)
+ return cc;
}
- /* Set CTLs */
-
- if ((cm->flags & CHANNEL_ALL) == CHANNEL_A)
- chan->conformanceTestLimit[0] = ctl;
- else if ((cm->flags & CHANNEL_ALL) == CHANNEL_B)
- chan->conformanceTestLimit[1] = ctl;
- else if ((cm->flags & CHANNEL_ALL) == CHANNEL_G)
- chan->conformanceTestLimit[2] = ctl;
-
- return (ret == -1) ? true : false;
+ return CTRY_DEFAULT;
}
-static bool ath9k_regd_japan_check(struct ath_hal *ah,
- int b,
- struct regDomain *rd5GHz)
+static struct reg_dmn_pair_mapping*
+ath9k_get_regpair(int regdmn)
{
- bool skipband = false;
int i;
- u32 regcap;
-
- for (i = 0; i < ARRAY_SIZE(j_bandcheck); i++) {
- if (j_bandcheck[i].freqbandbit == b) {
- regcap = ah->ah_caps.reg_cap;
- if ((j_bandcheck[i].eepromflagtocheck & regcap) == 0) {
- skipband = true;
- } else if ((regcap & AR_EEPROM_EEREGCAP_EN_KK_U2) ||
- (regcap & AR_EEPROM_EEREGCAP_EN_KK_MIDBAND)) {
- rd5GHz->dfsMask |= DFS_MKK4;
- rd5GHz->pscan |= PSCAN_MKK3;
- }
- break;
- }
- }
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Skipping %d freq band\n", j_bandcheck[i].freqbandbit);
-
- return skipband;
+ if (regdmn == NO_ENUMRD)
+ return NULL;
+ for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
+ if (regDomainPairs[i].regDmnEnum == regdmn)
+ return &regDomainPairs[i];
+ }
+ return NULL;
}
-bool
-ath9k_regd_init_channels(struct ath_hal *ah,
- u32 maxchans,
- u32 *nchans, u8 *regclassids,
- u32 maxregids, u32 *nregids, u16 cc,
- bool enableOutdoor,
- bool enableExtendedChannels)
+int ath9k_regd_init(struct ath_hw *ah)
{
- u16 maxChan = 7000;
struct country_code_to_enum_rd *country = NULL;
- struct regDomain rd5GHz, rd2GHz;
- const struct cmode *cm;
- struct ath9k_channel *ichans = &ah->ah_channels[0];
- int next = 0, b;
- u8 ctl;
- int regdmn;
- u16 chanSep;
- unsigned long *modes_avail;
- DECLARE_BITMAP(modes_allowed, ATH9K_MODE_MAX);
-
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "cc %u %s %s\n", cc,
- enableOutdoor ? "Enable outdoor" : "",
- enableExtendedChannels ? "Enable ecm" : "");
-
- if (!ath9k_regd_is_ccode_valid(ah, cc)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Invalid country code %d\n", cc);
- return false;
- }
+ u16 regdmn;
if (!ath9k_regd_is_eeprom_valid(ah)) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"Invalid EEPROM contents\n");
- return false;
+ return -EINVAL;
}
- ah->ah_countryCode = ath9k_regd_get_default_country(ah);
+ regdmn = ath9k_regd_get_eepromRD(ah);
+ ah->regulatory.country_code = ath9k_regd_get_default_country(regdmn);
- if (ah->ah_countryCode == CTRY_DEFAULT) {
- ah->ah_countryCode = cc & COUNTRY_CODE_MASK;
- if ((ah->ah_countryCode == CTRY_DEFAULT) &&
- (ath9k_regd_get_eepromRD(ah) == CTRY_DEFAULT)) {
- ah->ah_countryCode = CTRY_UNITED_STATES;
- }
- }
+ if (ah->regulatory.country_code == CTRY_DEFAULT &&
+ regdmn == CTRY_DEFAULT)
+ ah->regulatory.country_code = CTRY_UNITED_STATES;
-#ifdef AH_SUPPORT_11D
- if (ah->ah_countryCode == CTRY_DEFAULT) {
- regdmn = ath9k_regd_get_eepromRD(ah);
+ if (ah->regulatory.country_code == CTRY_DEFAULT) {
country = NULL;
} else {
-#endif
- country = ath9k_regd_find_country(ah->ah_countryCode);
+ country = ath9k_regd_find_country(ah->regulatory.country_code);
if (country == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"Country is NULL!!!!, cc= %d\n",
- ah->ah_countryCode);
- return false;
- } else {
+ ah->regulatory.country_code);
+ return -EINVAL;
+ } else
regdmn = country->regDmnEnum;
-#ifdef AH_SUPPORT_11D
- if (((ath9k_regd_get_eepromRD(ah) &
- WORLD_SKU_MASK) == WORLD_SKU_PREFIX) &&
- (cc == CTRY_UNITED_STATES)) {
- if (!isWwrSKU_NoMidband(ah)
- && ath9k_regd_is_fcc_midband_supported(ah))
- regdmn = FCC3_FCCA;
- else
- regdmn = FCC1_FCCA;
- }
-#endif
- }
-#ifdef AH_SUPPORT_11D
- }
-#endif
- if (!ath9k_regd_get_wmode_regdomain(ah,
- regdmn,
- ~CHANNEL_2GHZ,
- &rd5GHz)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Couldn't find unitary "
- "5GHz reg domain for country %u\n",
- ah->ah_countryCode);
- return false;
- }
- if (!ath9k_regd_get_wmode_regdomain(ah,
- regdmn,
- CHANNEL_2GHZ,
- &rd2GHz)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Couldn't find unitary 2GHz "
- "reg domain for country %u\n",
- ah->ah_countryCode);
- return false;
- }
-
- if (!isWwrSKU(ah) && ((rd5GHz.regDmnEnum == FCC1) ||
- (rd5GHz.regDmnEnum == FCC2))) {
- if (ath9k_regd_is_fcc_midband_supported(ah)) {
- if (!ath9k_regd_get_wmode_regdomain(ah,
- FCC3_FCCA,
- ~CHANNEL_2GHZ,
- &rd5GHz)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Couldn't find unitary 5GHz "
- "reg domain for country %u\n",
- ah->ah_countryCode);
- return false;
- }
- }
- }
-
- if (country == NULL) {
- modes_avail = ah->ah_caps.wireless_modes;
- } else {
- ath9k_regd_get_wmodes_nreg(ah, country, &rd5GHz, modes_allowed);
- modes_avail = modes_allowed;
-
- if (!enableOutdoor)
- maxChan = country->outdoorChanStart;
- }
-
- next = 0;
-
- if (maxchans > ARRAY_SIZE(ah->ah_channels))
- maxchans = ARRAY_SIZE(ah->ah_channels);
-
- for (cm = modes; cm < &modes[ARRAY_SIZE(modes)]; cm++) {
- u16 c, c_hi, c_lo;
- u64 *channelBM = NULL;
- struct regDomain *rd = NULL;
- struct RegDmnFreqBand *fband = NULL, *freqs;
- int8_t low_adj = 0, hi_adj = 0;
-
- if (!test_bit(cm->mode, modes_avail)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "!avail mode %d flags 0x%x\n",
- cm->mode, cm->flags);
- continue;
- }
- if (!ath9k_get_channel_edges(ah, cm->flags, &c_lo, &c_hi)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "channels 0x%x not supported "
- "by hardware\n", cm->flags);
- continue;
- }
-
- switch (cm->mode) {
- case ATH9K_MODE_11A:
- case ATH9K_MODE_11NA_HT20:
- case ATH9K_MODE_11NA_HT40PLUS:
- case ATH9K_MODE_11NA_HT40MINUS:
- rd = &rd5GHz;
- channelBM = rd->chan11a;
- freqs = &regDmn5GhzFreq[0];
- ctl = rd->conformanceTestLimit;
- break;
- case ATH9K_MODE_11B:
- rd = &rd2GHz;
- channelBM = rd->chan11b;
- freqs = &regDmn2GhzFreq[0];
- ctl = rd->conformanceTestLimit | CTL_11B;
- break;
- case ATH9K_MODE_11G:
- case ATH9K_MODE_11NG_HT20:
- case ATH9K_MODE_11NG_HT40PLUS:
- case ATH9K_MODE_11NG_HT40MINUS:
- rd = &rd2GHz;
- channelBM = rd->chan11g;
- freqs = &regDmn2Ghz11gFreq[0];
- ctl = rd->conformanceTestLimit | CTL_11G;
- break;
- default:
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "Unknown HAL mode 0x%x\n", cm->mode);
- continue;
- }
-
- if (ath9k_regd_is_chan_bm_zero(channelBM))
- continue;
-
- if ((cm->mode == ATH9K_MODE_11NA_HT40PLUS) ||
- (cm->mode == ATH9K_MODE_11NG_HT40PLUS)) {
- hi_adj = -20;
- }
-
- if ((cm->mode == ATH9K_MODE_11NA_HT40MINUS) ||
- (cm->mode == ATH9K_MODE_11NG_HT40MINUS)) {
- low_adj = 20;
- }
-
- /* XXX: Add a helper here instead */
- for (b = 0; b < 64 * BMLEN; b++) {
- if (ath9k_regd_is_bit_set(b, channelBM)) {
- fband = &freqs[b];
- if (rd5GHz.regDmnEnum == MKK1
- || rd5GHz.regDmnEnum == MKK2) {
- if (ath9k_regd_japan_check(ah,
- b,
- &rd5GHz))
- continue;
- }
-
- ath9k_regd_add_reg_classid(regclassids,
- maxregids,
- nregids,
- fband->
- regClassId);
-
- if (IS_HT40_MODE(cm->mode) && (rd == &rd5GHz)) {
- chanSep = 40;
- if (fband->lowChannel == 5280)
- low_adj += 20;
-
- if (fband->lowChannel == 5170)
- continue;
- } else
- chanSep = fband->channelSep;
-
- for (c = fband->lowChannel + low_adj;
- ((c <= (fband->highChannel + hi_adj)) &&
- (c >= (fband->lowChannel + low_adj)));
- c += chanSep) {
- if (next >= maxchans) {
- DPRINTF(ah->ah_sc,
- ATH_DBG_REGULATORY,
- "too many channels "
- "for channel table\n");
- goto done;
- }
- if (ath9k_regd_add_channel(ah,
- c, c_lo, c_hi,
- maxChan, ctl,
- next,
- rd5GHz,
- fband, rd, cm,
- ichans,
- enableExtendedChannels))
- next++;
- }
- if (IS_HT40_MODE(cm->mode) &&
- (fband->lowChannel == 5280)) {
- low_adj -= 20;
- }
- }
- }
}
-done:
- if (next != 0) {
- int i;
- if (next > ARRAY_SIZE(ah->ah_channels)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "too many channels %u; truncating to %u\n",
- next, (int) ARRAY_SIZE(ah->ah_channels));
- next = ARRAY_SIZE(ah->ah_channels);
- }
-#ifdef ATH_NF_PER_CHAN
- ath9k_regd_init_rf_buffer(ichans, next);
-#endif
- ath9k_regd_sort(ichans, next,
- sizeof(struct ath9k_channel),
- ath9k_regd_chansort);
+ ah->regulatory.regpair = ath9k_get_regpair(regdmn);
- ah->ah_nchan = next;
-
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "Channel list:\n");
- for (i = 0; i < next; i++) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "chan: %d flags: 0x%x\n",
- ah->ah_channels[i].channel,
- ah->ah_channels[i].channelFlags);
- }
+ if (!ah->regulatory.regpair) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "No regulatory domain pair found, cannot continue\n");
+ return -EINVAL;
}
- *nchans = next;
- ah->ah_countryCode = ah->ah_countryCode;
+ if (!country)
+ country = ath9k_regd_find_country_by_rd(regdmn);
- ah->ah_currentRDInUse = regdmn;
- ah->ah_currentRD5G = rd5GHz.regDmnEnum;
- ah->ah_currentRD2G = rd2GHz.regDmnEnum;
- if (country == NULL) {
- ah->ah_iso[0] = 0;
- ah->ah_iso[1] = 0;
+ if (country) {
+ ah->regulatory.alpha2[0] = country->isoName[0];
+ ah->regulatory.alpha2[1] = country->isoName[1];
} else {
- ah->ah_iso[0] = country->isoName[0];
- ah->ah_iso[1] = country->isoName[1];
+ ah->regulatory.alpha2[0] = '0';
+ ah->regulatory.alpha2[1] = '0';
}
- return next != 0;
-}
-
-struct ath9k_channel*
-ath9k_regd_check_channel(struct ath_hal *ah,
- const struct ath9k_channel *c)
-{
- struct ath9k_channel *base, *cc;
-
- int flags = c->channelFlags & CHAN_FLAGS;
- int n, lim;
-
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "channel %u/0x%x (0x%x) requested\n",
- c->channel, c->channelFlags, flags);
-
- cc = ah->ah_curchan;
- if (cc != NULL && cc->channel == c->channel &&
- (cc->channelFlags & CHAN_FLAGS) == flags) {
- if ((cc->privFlags & CHANNEL_INTERFERENCE) &&
- (cc->privFlags & CHANNEL_DFS))
- return NULL;
- else
- return cc;
- }
+ "Country alpha2 being used: %c%c\n"
+ "Regulatory.Regpair detected: 0x%0x\n",
+ ah->regulatory.alpha2[0], ah->regulatory.alpha2[1],
+ ah->regulatory.regpair->regDmnEnum);
- base = ah->ah_channels;
- n = ah->ah_nchan;
-
- for (lim = n; lim != 0; lim >>= 1) {
- int d;
- cc = &base[lim >> 1];
- d = c->channel - cc->channel;
- if (d == 0) {
- if ((cc->channelFlags & CHAN_FLAGS) == flags) {
- if ((cc->privFlags & CHANNEL_INTERFERENCE) &&
- (cc->privFlags & CHANNEL_DFS))
- return NULL;
- else
- return cc;
- }
- d = flags - (cc->channelFlags & CHAN_FLAGS);
- }
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "channel %u/0x%x d %d\n",
- cc->channel, cc->channelFlags, d);
- if (d > 0) {
- base = cc + 1;
- lim--;
- }
- }
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "no match for %u/0x%x\n",
- c->channel, c->channelFlags);
- return NULL;
-}
-
-u32
-ath9k_regd_get_antenna_allowed(struct ath_hal *ah,
- struct ath9k_channel *chan)
-{
- struct ath9k_channel *ichan = NULL;
-
- ichan = ath9k_regd_check_channel(ah, chan);
- if (!ichan)
- return 0;
-
- return ichan->antennaMax;
+ return 0;
}
-u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan)
+u32 ath9k_regd_get_ctl(struct ath_hw *ah, struct ath9k_channel *chan)
{
u32 ctl = NO_CTL;
- struct ath9k_channel *ichan;
- if (ah->ah_countryCode == CTRY_DEFAULT && isWwrSKU(ah)) {
+ if (!ah->regulatory.regpair ||
+ (ah->regulatory.country_code == CTRY_DEFAULT &&
+ is_wwr_sku(ath9k_regd_get_eepromRD(ah)))) {
if (IS_CHAN_B(chan))
ctl = SD_NO_CTL | CTL_11B;
else if (IS_CHAN_G(chan))
ctl = SD_NO_CTL | CTL_11G;
else
ctl = SD_NO_CTL | CTL_11A;
- } else {
- ichan = ath9k_regd_check_channel(ah, chan);
- if (ichan != NULL) {
- /* FIXME */
- if (IS_CHAN_A(ichan))
- ctl = ichan->conformanceTestLimit[0];
- else if (IS_CHAN_B(ichan))
- ctl = ichan->conformanceTestLimit[1];
- else if (IS_CHAN_G(ichan))
- ctl = ichan->conformanceTestLimit[2];
-
- if (IS_CHAN_G(chan) && (ctl & 0xf) == CTL_11B)
- ctl = (ctl & ~0xf) | CTL_11G;
- }
+ return ctl;
}
- return ctl;
-}
-void ath9k_regd_get_current_country(struct ath_hal *ah,
- struct ath9k_country_entry *ctry)
-{
- u16 rd = ath9k_regd_get_eepromRD(ah);
+ if (IS_CHAN_B(chan))
+ ctl = ah->regulatory.regpair->reg_2ghz_ctl | CTL_11B;
+ else if (IS_CHAN_G(chan))
+ ctl = ah->regulatory.regpair->reg_2ghz_ctl | CTL_11G;
+ else
+ ctl = ah->regulatory.regpair->reg_5ghz_ctl | CTL_11A;
- ctry->isMultidomain = false;
- if (rd == CTRY_DEFAULT)
- ctry->isMultidomain = true;
- else if (!(rd & COUNTRY_ERD_FLAG))
- ctry->isMultidomain = isWwrSKU(ah);
-
- ctry->countryCode = ah->ah_countryCode;
- ctry->regDmnEnum = ah->ah_currentRD;
- ctry->regDmn5G = ah->ah_currentRD5G;
- ctry->regDmn2G = ah->ah_currentRD2G;
- ctry->iso[0] = ah->ah_iso[0];
- ctry->iso[1] = ah->ah_iso[1];
- ctry->iso[2] = ah->ah_iso[2];
+ return ctl;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.