static uint16_t
ath9k_regd_get_default_country(struct ath_hal *ah)
{
uint16_t rd;
int i;
rd = ath9k_regd_get_eepromRD(ah);
if (rd & COUNTRY_ERD_FLAG) {
struct country_code_to_enum_rd *country = NULL;
uint16_t cc = rd & ~COUNTRY_ERD_FLAG;
country = ath9k_regd_find_country(cc);
if (country != NULL)
return (cc);
}
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_ccode_valid(struct ath_hal *ah,
u16 cc)
{
u16 rd;
int i;
if (cc == CTRY_DEFAULT)
return true;
if (cc == CTRY_DEBUG)
return true;
rd = ath9k_regd_get_eepromRD(ah);
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "%s: EEPROM regdomain 0x%x\n",
__func__, rd);
if (rd & COUNTRY_ERD_FLAG) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: EEPROM setting is country code %u\n",
__func__, rd & ~COUNTRY_ERD_FLAG);
return cc == (rd & ~COUNTRY_ERD_FLAG);
}
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;
}
}
return false;
}
bool ath9k_regd_is_public_safety_sku(struct ath_hal *ah)
{
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;
}
return false;
}
void ath9k_regd_get_current_country(struct ath_hal *ah,
struct ath9k_country_entry *ctry)
{
u16 rd = ath9k_regd_get_eepromRD(ah);
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];
}
static bool ath9k_regd_is_eeprom_valid(struct ath_hal *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;
}
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"invalid regulatory domain/country code 0x%x\n", rd);
return false;
}
static boolean_t
ath9k_regd_is_eeprom_valid(struct ath_hal *ah)
{
uint16_t rd = ath9k_regd_get_eepromRD(ah);
int i;
if (rd & COUNTRY_ERD_FLAG) {
uint16_t cc = rd & ~COUNTRY_ERD_FLAG;
for (i = 0; i < ARRAY_SIZE(allCountries); i++)
if (allCountries[i].countryCode == cc)
return (B_TRUE);
} else {
for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
if (regDomainPairs[i].regDmnEnum == rd)
return (B_TRUE);
}
ARN_DBG((ARN_DBG_REGULATORY,
"%s: invalid regulatory domain/country code 0x%x\n",
__func__, rd));
return (B_FALSE);
}
static boolean_t
ath9k_regd_is_ccode_valid(struct ath_hal *ah, uint16_t cc)
{
uint16_t rd;
int i;
if (cc == CTRY_DEFAULT)
return (B_TRUE);
if (cc == CTRY_DEBUG)
return (B_TRUE);
rd = ath9k_regd_get_eepromRD(ah);
ARN_DBG((ARN_DBG_REGULATORY, "%s: EEPROM regdomain 0x%x\n",
__func__, rd));
if (rd & COUNTRY_ERD_FLAG) {
ARN_DBG((ARN_DBG_REGULATORY,
"%s: EEPROM setting is country code %u\n",
__func__, rd & ~COUNTRY_ERD_FLAG));
return (cc == (rd & ~COUNTRY_ERD_FLAG));
}
for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
if (cc == allCountries[i].countryCode) {
#ifdef ARN_SUPPORT_11D
if ((rd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)
return (B_TRUE);
#endif
if (allCountries[i].regDmnEnum == rd ||
rd == DEBUG_REG_DMN || rd == NO_ENUMRD)
return (B_TRUE);
}
}
return (B_FALSE);
}
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)
{
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, "%s: cc %u %s %s\n",
__func__, cc,
enableOutdoor ? "Enable outdoor" : "",
enableExtendedChannels ? "Enable ecm" : "");
if (!ath9k_regd_is_ccode_valid(ah, cc)) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: invalid country code %d\n", __func__, cc);
return false;
}
if (!ath9k_regd_is_eeprom_valid(ah)) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: invalid EEPROM contents\n", __func__);
return false;
}
ah->ah_countryCode = ath9k_regd_get_default_country(ah);
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;
}
}
#ifdef AH_SUPPORT_11D
if (ah->ah_countryCode == CTRY_DEFAULT) {
regdmn = ath9k_regd_get_eepromRD(ah);
country = NULL;
} else {
#endif
country = ath9k_regd_find_country(ah->ah_countryCode);
if (country == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"Country is NULL!!!!, cc= %d\n",
ah->ah_countryCode);
return false;
} 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,
"%s: couldn't find unitary "
"5GHz reg domain for country %u\n",
__func__, ah->ah_countryCode);
return false;
}
if (!ath9k_regd_get_wmode_regdomain(ah,
regdmn,
CHANNEL_2GHZ,
&rd2GHz)) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: couldn't find unitary 2GHz "
"reg domain for country %u\n",
__func__, 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,
"%s: couldn't find unitary 5GHz "
"reg domain for country %u\n",
__func__, 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,
"%s: !avail mode %d flags 0x%x\n",
__func__, cm->mode, cm->flags);
continue;
}
if (!ath9k_get_channel_edges(ah, cm->flags, &c_lo, &c_hi)) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: channels 0x%x not supported "
"by hardware\n",
__func__, 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 = ®Dmn5GhzFreq[0];
ctl = rd->conformanceTestLimit;
break;
case ATH9K_MODE_11B:
rd = &rd2GHz;
channelBM = rd->chan11b;
freqs = ®Dmn2GhzFreq[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 = ®Dmn2Ghz11gFreq[0];
ctl = rd->conformanceTestLimit | CTL_11G;
break;
default:
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: Unknown HAL mode 0x%x\n", __func__,
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,
"%s: too many channels "
"for channel table\n",
__func__);
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,
"%s: too many channels %u; truncating to %u\n",
__func__, 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->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);
}
}
*nchans = next;
ah->ah_countryCode = ah->ah_countryCode;
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;
} else {
ah->ah_iso[0] = country->isoName[0];
ah->ah_iso[1] = country->isoName[1];
}
return next != 0;
}
static bool
ath9k_regd_get_wmode_regdomain(struct ath_hal *ah, int regDmn,
u16 channelFlag, struct regDomain *rd)
{
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;
}
}
}
if ((regDmn & MULTI_DOMAIN_MASK) == 0) {
for (i = 0, found = 0;
(i < ARRAY_SIZE(regDomainPairs)) && (!found); i++) {
if (regDomainPairs[i].regDmnEnum == regDmn) {
regPair = ®DomainPairs[i];
found = 1;
}
}
if (!found) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: Failed to find reg domain pair %u\n",
__func__, regDmn);
return false;
}
if (!(channelFlag & CHANNEL_2GHZ)) {
regDmn = regPair->regDmn5GHz;
flags = regPair->flags5GHz;
}
if (channelFlag & CHANNEL_2GHZ) {
regDmn = regPair->regDmn2GHz;
flags = regPair->flags2GHz;
}
}
found = ath9k_regd_is_valid_reg_domain(regDmn, rd);
if (!found) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"%s: Failed to find unitary reg domain %u\n",
__func__, regDmn);
return false;
} else {
rd->pscan &= regPair->pscanMask;
if (((regOrg & MULTI_DOMAIN_MASK) == 0) &&
(flags != NO_REQ)) {
rd->flags = flags;
}
rd->flags &= (channelFlag & CHANNEL_2GHZ) ?
REG_DOMAIN_2GHZ_MASK : REG_DOMAIN_5GHZ_MASK;
return true;
}
}