+++ /dev/null
-/*
- * Copyright (c) 2008 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
- * 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 <linux/kernel.h>
-#include <linux/slab.h>
-#include "core.h"
-#include "hw.h"
-#include "regd.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;
-
- return (ca->channel == cb->channel) ?
- (ca->channelFlags & CHAN_FLAGS) -
- (cb->channelFlags & CHAN_FLAGS) : ca->channel - cb->channel;
-}
-
-static void
-ath9k_regd_sort(void *a, u32 n, u32 size, ath_hal_cmp_t *cmp)
-{
- 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(u, t, size);
- }
-}
-
-static u16 ath9k_regd_get_eepromRD(struct ath_hal *ah)
-{
- return ah->ah_currentRD & ~WORLDWIDE_ROAMING_FLAG;
-}
-
-static bool ath9k_regd_is_chan_bm_zero(u64 *bitmask)
-{
- int i;
-
- for (i = 0; i < BMLEN; i++) {
- if (bitmask[i] != 0)
- return false;
- }
- return true;
-}
-
-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,
- "%s: invalid regulatory domain/country code 0x%x\n",
- __func__, rd);
- return false;
-}
-
-static bool ath9k_regd_is_fcc_midband_supported(struct ath_hal *ah)
-{
- u32 regcap;
-
- regcap = ah->ah_caps.halRegCap;
-
- if (regcap & AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND)
- return true;
- else
- return false;
-}
-
-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;
-}
-
-static u32
-ath9k_regd_get_wmodes_nreg(struct ath_hal *ah,
- struct country_code_to_enum_rd *country,
- struct regDomain *rd5GHz)
-{
- u32 modesAvail;
-
- modesAvail = ah->ah_caps.halWirelessModes;
-
- if ((modesAvail & ATH9K_MODE_SEL_11G) && (!country->allow11g))
- modesAvail &= ~ATH9K_MODE_SEL_11G;
- if ((modesAvail & ATH9K_MODE_SEL_11A) &&
- (ath9k_regd_is_chan_bm_zero(rd5GHz->chan11a)))
- modesAvail &= ~ATH9K_MODE_SEL_11A;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NG_HT20)
- && (!country->allow11ng20))
- modesAvail &= ~ATH9K_MODE_SEL_11NG_HT20;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NA_HT20)
- && (!country->allow11na20))
- modesAvail &= ~ATH9K_MODE_SEL_11NA_HT20;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NG_HT40PLUS) &&
- (!country->allow11ng40))
- modesAvail &= ~ATH9K_MODE_SEL_11NG_HT40PLUS;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NG_HT40MINUS) &&
- (!country->allow11ng40))
- modesAvail &= ~ATH9K_MODE_SEL_11NG_HT40MINUS;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NA_HT40PLUS) &&
- (!country->allow11na40))
- modesAvail &= ~ATH9K_MODE_SEL_11NA_HT40PLUS;
-
- if ((modesAvail & ATH9K_MODE_SEL_11NA_HT40MINUS) &&
- (!country->allow11na40))
- modesAvail &= ~ATH9K_MODE_SEL_11NA_HT40MINUS;
-
- return modesAvail;
-}
-
-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;
-}
-
-static struct country_code_to_enum_rd*
-ath9k_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;
-}
-
-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;
- }
-
- 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)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(regDomains); i++) {
- if (regDomains[i].regDmnEnum == regDmn) {
- if (rd != NULL) {
- memcpy(rd, ®Domains[i],
- sizeof(struct regDomain));
- }
- return true;
- }
- }
- return false;
-}
-
-static bool ath9k_regd_is_valid_reg_domainPair(int regDmnPair)
-{
- int i;
-
- if (regDmnPair == NO_ENUMRD)
- return false;
- for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
- if (regDomainPairs[i].regDmnEnum == regDmnPair)
- return true;
- }
- return false;
-}
-
-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;
- }
-}
-
-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;
-}
-
-static void
-ath9k_regd_add_reg_classid(u8 *regclassids, u32 maxregids,
- u32 *nregids, u8 regclassid)
-{
- 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;
- }
-
- return;
-}
-
-static bool
-ath9k_regd_get_eeprom_reg_ext_bits(struct ath_hal *ah,
- enum reg_ext_bitmap bit)
-{
- return (ah->ah_currentRDExt & (1 << bit)) ? true : false;
-}
-
-#ifdef ATH_NF_PER_CHAN
-
-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;
- }
- }
- }
-}
-#endif
-
-static int ath9k_regd_is_chan_present(struct ath_hal *ah,
- u16 c)
-{
- 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;
- }
-
- return -1;
-}
-
-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)
-{
- 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,
- "%s: c %u out of range [%u..%u]\n",
- __func__, c, c_lo, c_hi);
- return false;
- }
- if ((fband->channelBW == CHANNEL_HALF_BW) &&
- !ah->ah_caps.halChanHalfRate) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "%s: Skipping %u half rate channel\n",
- __func__, c);
- return false;
- }
-
- if ((fband->channelBW == CHANNEL_QUARTER_BW) &&
- !ah->ah_caps.halChanQuarterRate) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "%s: Skipping %u quarter rate channel\n",
- __func__, c);
- return false;
- }
-
- if (((c + fband->channelSep) / 2) > (maxChan + HALF_MAXCHANBW)) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "%s: c %u > maxChan %u\n",
- __func__, 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 == ATH9K_M_HOSTAP)) {
- 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.halRegCap;
- 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_SEL_11A |
- ATH9K_MODE_SEL_11NA_HT20 |
- ATH9K_MODE_SEL_11NA_HT40PLUS |
- ATH9K_MODE_SEL_11NA_HT40MINUS)) {
- if (rd->flags & (ADHOC_NO_11A | DISALLOW_ADHOC_11A))
- privFlags |= CHANNEL_DISALLOW_ADHOC;
- }
-
- /* 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;
- }
-
- /* 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;
-}
-
-static bool ath9k_regd_japan_check(struct ath_hal *ah,
- int b,
- struct regDomain *rd5GHz)
-{
- 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.halRegCap;
- 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,
- "%s: Skipping %d freq band\n",
- __func__, j_bandcheck[i].freqbandbit);
-
- return skipband;
-}
-
-bool
-ath9k_regd_init_channels(struct ath_hal *ah,
- u32 maxchans,
- u32 *nchans, u8 *regclassids,
- u32 maxregids, u32 *nregids, u16 cc,
- u32 modeSelect, bool enableOutdoor,
- bool enableExtendedChannels)
-{
- u32 modesAvail;
- 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;
-
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "%s: cc %u mode 0x%x%s%s\n",
- __func__, cc, modeSelect,
- 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) {
- modesAvail = ah->ah_caps.halWirelessModes;
- } else {
- modesAvail = ath9k_regd_get_wmodes_nreg(ah, country, &rd5GHz);
- 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 ((cm->mode & modeSelect) == 0) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "%s: skip mode 0x%x flags 0x%x\n",
- __func__, cm->mode, cm->flags);
- continue;
- }
- if ((cm->mode & modesAvail) == 0) {
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
- "%s: !avail mode 0x%x (0x%x) flags 0x%x\n",
- __func__, modesAvail, 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_SEL_11A:
- case ATH9K_MODE_SEL_11NA_HT20:
- case ATH9K_MODE_SEL_11NA_HT40PLUS:
- case ATH9K_MODE_SEL_11NA_HT40MINUS:
- rd = &rd5GHz;
- channelBM = rd->chan11a;
- freqs = ®Dmn5GhzFreq[0];
- ctl = rd->conformanceTestLimit;
- break;
- case ATH9K_MODE_SEL_11B:
- rd = &rd2GHz;
- channelBM = rd->chan11b;
- freqs = ®Dmn2GhzFreq[0];
- ctl = rd->conformanceTestLimit | CTL_11B;
- break;
- case ATH9K_MODE_SEL_11G:
- case ATH9K_MODE_SEL_11NG_HT20:
- case ATH9K_MODE_SEL_11NG_HT40PLUS:
- case ATH9K_MODE_SEL_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_SEL_11NA_HT40PLUS) ||
- (cm->mode == ATH9K_MODE_SEL_11NG_HT40PLUS)) {
- hi_adj = -20;
- }
-
- if ((cm->mode == ATH9K_MODE_SEL_11NA_HT40MINUS) ||
- (cm->mode == ATH9K_MODE_SEL_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;
-}
-
-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,
- "%s: channel %u/0x%x (0x%x) requested\n", __func__,
- 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;
- }
-
- 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,
- "%s: channel %u/0x%x d %d\n", __func__,
- cc->channel, cc->channelFlags, d);
- if (d > 0) {
- base = cc + 1;
- lim--;
- }
- }
- DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY, "%s: no match for %u/0x%x\n",
- __func__, 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;
-}
-
-u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan)
-{
- u32 ctl = NO_CTL;
- struct ath9k_channel *ichan;
-
- if (ah->ah_countryCode == CTRY_DEFAULT && isWwrSKU(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;
-}
-
-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];
-}
projects / openwrt / svn-archive / archive.git / blobdiff