diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
21 files changed, 403 insertions, 334 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c index bd4a1a655f42..bea6186f745a 100644 --- a/drivers/net/wireless/ath/ath9k/ahb.c +++ b/drivers/net/wireless/ath/ath9k/ahb.c @@ -18,7 +18,6 @@ #include <linux/nl80211.h> #include <linux/platform_device.h> -#include <linux/ath9k_platform.h> #include <linux/module.h> #include "ath9k.h" @@ -58,20 +57,9 @@ static void ath_ahb_read_cachesize(struct ath_common *common, int *csz) static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) { - struct ath_softc *sc = (struct ath_softc *)common->priv; - struct platform_device *pdev = to_platform_device(sc->dev); - struct ath9k_platform_data *pdata; - - pdata = dev_get_platdata(&pdev->dev); - if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { - ath_err(common, - "%s: flash read failed, offset %08x is out of range\n", - __func__, off); - return false; - } - - *data = pdata->eeprom_data[off]; - return true; + ath_err(common, "%s: eeprom data has to be provided externally\n", + __func__); + return false; } static struct ath_bus_ops ath_ahb_bus_ops = { diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index 53d7445a5d12..61a9b85045d2 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -476,6 +476,7 @@ static void ar9002_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable) static void ar9002_hw_spectral_scan_config(struct ath_hw *ah, struct ath_spec_scan *param) { + u32 repeat_bit; u8 count; if (!param->enabled) { @@ -486,12 +487,15 @@ static void ar9002_hw_spectral_scan_config(struct ath_hw *ah, REG_SET_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_FFT_ENA); REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENABLE); + if (AR_SREV_9280(ah)) + repeat_bit = AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT; + else + repeat_bit = AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI; + if (param->short_repeat) - REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, - AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT); + REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, repeat_bit); else - REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN, - AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT); + REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN, repeat_bit); /* on AR92xx, the highest bit of count will make the the chip send * spectral samples endlessly. Check if this really was intended, @@ -499,15 +503,25 @@ static void ar9002_hw_spectral_scan_config(struct ath_hw *ah, */ count = param->count; if (param->endless) { - if (AR_SREV_9271(ah)) - count = 0; - else + if (AR_SREV_9280(ah)) count = 0x80; + else + count = 0; } else if (count & 0x80) count = 0x7f; + else if (!count) + count = 1; + + if (AR_SREV_9280(ah)) { + REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, + AR_PHY_SPECTRAL_SCAN_COUNT, count); + } else { + REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, + AR_PHY_SPECTRAL_SCAN_COUNT_KIWI, count); + REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, + AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT); + } - REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, - AR_PHY_SPECTRAL_SCAN_COUNT, count); REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_PERIOD, param->period); REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN, diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h index 9d17a5375f64..2b58245f774a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h @@ -177,8 +177,11 @@ #define AR_PHY_SPECTRAL_SCAN_PERIOD_S 8 #define AR_PHY_SPECTRAL_SCAN_COUNT 0x00FF0000 /* Number of reports, reg 68, bits 16-23*/ #define AR_PHY_SPECTRAL_SCAN_COUNT_S 16 +#define AR_PHY_SPECTRAL_SCAN_COUNT_KIWI 0x0FFF0000 /* Number of reports, reg 68, bits 16-27*/ +#define AR_PHY_SPECTRAL_SCAN_COUNT_KIWI_S 16 #define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT 0x01000000 /* Short repeat, reg 68, bit 24*/ -#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S 24 /* Short repeat, reg 68, bit 24*/ +#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI 0x10000000 /* Short repeat, reg 68, bit 28*/ +#define AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT 0x40000000 #define AR_PHY_RX_DELAY 0x9914 #define AR_PHY_SEARCH_START_DELAY 0x9918 diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 518e649ecff3..b6f064a8d264 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -33,6 +33,7 @@ struct coeff { enum ar9003_cal_types { IQ_MISMATCH_CAL = BIT(0), + TEMP_COMP_CAL = BIT(1), }; static void ar9003_hw_setup_calibration(struct ath_hw *ah, @@ -58,6 +59,12 @@ static void ar9003_hw_setup_calibration(struct ath_hw *ah, /* Kick-off cal */ REG_SET_BIT(ah, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL); break; + case TEMP_COMP_CAL: + ath_dbg(common, CALIBRATE, + "starting Temperature Compensation Calibration\n"); + REG_SET_BIT(ah, AR_CH0_THERM, AR_CH0_THERM_LOCAL); + REG_SET_BIT(ah, AR_CH0_THERM, AR_CH0_THERM_START); + break; default: ath_err(common, "Invalid calibration type\n"); break; @@ -75,50 +82,51 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah, struct ath9k_cal_list *currCal) { struct ath9k_hw_cal_data *caldata = ah->caldata; - /* Cal is assumed not done until explicitly set below */ - bool iscaldone = false; + const struct ath9k_percal_data *cur_caldata = currCal->calData; /* Calibration in progress. */ if (currCal->calState == CAL_RUNNING) { /* Check to see if it has finished. */ - if (!(REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) { + if (REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL) + return false; + + /* + * Accumulate cal measures for active chains + */ + if (cur_caldata->calCollect) + cur_caldata->calCollect(ah); + ah->cal_samples++; + + if (ah->cal_samples >= cur_caldata->calNumSamples) { + unsigned int i, numChains = 0; + for (i = 0; i < AR9300_MAX_CHAINS; i++) { + if (rxchainmask & (1 << i)) + numChains++; + } + /* - * Accumulate cal measures for active chains + * Process accumulated data */ - currCal->calData->calCollect(ah); - ah->cal_samples++; - - if (ah->cal_samples >= - currCal->calData->calNumSamples) { - unsigned int i, numChains = 0; - for (i = 0; i < AR9300_MAX_CHAINS; i++) { - if (rxchainmask & (1 << i)) - numChains++; - } - - /* - * Process accumulated data - */ - currCal->calData->calPostProc(ah, numChains); + if (cur_caldata->calPostProc) + cur_caldata->calPostProc(ah, numChains); - /* Calibration has finished. */ - caldata->CalValid |= currCal->calData->calType; - currCal->calState = CAL_DONE; - iscaldone = true; - } else { + /* Calibration has finished. */ + caldata->CalValid |= cur_caldata->calType; + currCal->calState = CAL_DONE; + return true; + } else { /* * Set-up collection of another sub-sample until we * get desired number */ ar9003_hw_setup_calibration(ah, currCal); - } } - } else if (!(caldata->CalValid & currCal->calData->calType)) { + } else if (!(caldata->CalValid & cur_caldata->calType)) { /* If current cal is marked invalid in channel, kick it off */ ath9k_hw_reset_calibration(ah, currCal); } - return iscaldone; + return false; } static int ar9003_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, @@ -315,9 +323,16 @@ static const struct ath9k_percal_data iq_cal_single_sample = { ar9003_hw_iqcalibrate }; +static const struct ath9k_percal_data temp_cal_single_sample = { + TEMP_COMP_CAL, + MIN_CAL_SAMPLES, + PER_MAX_LOG_COUNT, +}; + static void ar9003_hw_init_cal_settings(struct ath_hw *ah) { ah->iq_caldata.calData = &iq_cal_single_sample; + ah->temp_caldata.calData = &temp_cal_single_sample; if (AR_SREV_9300_20_OR_LATER(ah)) { ah->enabled_cals |= TX_IQ_CAL; @@ -325,7 +340,7 @@ static void ar9003_hw_init_cal_settings(struct ath_hw *ah) ah->enabled_cals |= TX_IQ_ON_AGC_CAL; } - ah->supp_cals = IQ_MISMATCH_CAL; + ah->supp_cals = IQ_MISMATCH_CAL | TEMP_COMP_CAL; } #define OFF_UPPER_LT 24 @@ -1374,6 +1389,29 @@ static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable) } } +static void ar9003_hw_init_cal_common(struct ath_hw *ah) +{ + struct ath9k_hw_cal_data *caldata = ah->caldata; + + /* Initialize list pointers */ + ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; + + INIT_CAL(&ah->iq_caldata); + INSERT_CAL(ah, &ah->iq_caldata); + + INIT_CAL(&ah->temp_caldata); + INSERT_CAL(ah, &ah->temp_caldata); + + /* Initialize current pointer to first element in list */ + ah->cal_list_curr = ah->cal_list; + + if (ah->cal_list_curr) + ath9k_hw_reset_calibration(ah, ah->cal_list_curr); + + if (caldata) + caldata->CalValid = 0; +} + static bool ar9003_hw_init_cal_pcoem(struct ath_hw *ah, struct ath9k_channel *chan) { @@ -1533,21 +1571,7 @@ skip_tx_iqcal: /* Revert chainmask to runtime parameters */ ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); - /* Initialize list pointers */ - ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; - - INIT_CAL(&ah->iq_caldata); - INSERT_CAL(ah, &ah->iq_caldata); - ath_dbg(common, CALIBRATE, "enabling IQ Calibration\n"); - - /* Initialize current pointer to first element in list */ - ah->cal_list_curr = ah->cal_list; - - if (ah->cal_list_curr) - ath9k_hw_reset_calibration(ah, ah->cal_list_curr); - - if (caldata) - caldata->CalValid = 0; + ar9003_hw_init_cal_common(ah); return true; } @@ -1578,8 +1602,6 @@ static bool do_ar9003_agc_cal(struct ath_hw *ah) static bool ar9003_hw_init_cal_soc(struct ath_hw *ah, struct ath9k_channel *chan) { - struct ath_common *common = ath9k_hw_common(ah); - struct ath9k_hw_cal_data *caldata = ah->caldata; bool txiqcal_done = false; bool status = true; bool run_agc_cal = false, sep_iq_cal = false; @@ -1677,21 +1699,7 @@ skip_tx_iqcal: /* Revert chainmask to runtime parameters */ ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); - /* Initialize list pointers */ - ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; - - INIT_CAL(&ah->iq_caldata); - INSERT_CAL(ah, &ah->iq_caldata); - ath_dbg(common, CALIBRATE, "enabling IQ Calibration\n"); - - /* Initialize current pointer to first element in list */ - ah->cal_list_curr = ah->cal_list; - - if (ah->cal_list_curr) - ath9k_hw_reset_calibration(ah, ah->cal_list_curr); - - if (caldata) - caldata->CalValid = 0; + ar9003_hw_init_cal_common(ah); return true; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index dec1a317a070..5bd2cbaf582d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3202,8 +3202,7 @@ static int ar9300_compress_decision(struct ath_hw *ah, it, length); break; case _CompressBlock: - if (reference == 0) { - } else { + if (reference != 0) { eep = ar9003_eeprom_struct_find_by_id(reference); if (eep == NULL) { ath_dbg(common, EEPROM, @@ -4176,7 +4175,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, if (!AR_SREV_9330(ah) && !AR_SREV_9340(ah) && !AR_SREV_9531(ah)) ar9003_hw_internal_regulator_apply(ah); ar9003_hw_apply_tuning_caps(ah); - ar9003_hw_apply_minccapwr_thresh(ah, chan); + ar9003_hw_apply_minccapwr_thresh(ah, is2ghz); ar9003_hw_txend_to_xpa_off_apply(ah, is2ghz); ar9003_hw_thermometer_apply(ah); ar9003_hw_thermo_cal_apply(ah); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 566da789f97e..a171dbb29fbb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -689,13 +689,6 @@ #define AR_CH0_TOP_XPABIASLVL (AR_SREV_9550(ah) ? 0x3c0 : 0x300) #define AR_CH0_TOP_XPABIASLVL_S (AR_SREV_9550(ah) ? 6 : 8) -#define AR_CH0_THERM (AR_SREV_9300(ah) ? 0x16290 : \ - ((AR_SREV_9485(ah) ? 0x1628c : 0x16294))) -#define AR_CH0_THERM_XPABIASLVL_MSB 0x3 -#define AR_CH0_THERM_XPABIASLVL_MSB_S 0 -#define AR_CH0_THERM_XPASHORT2GND 0x4 -#define AR_CH0_THERM_XPASHORT2GND_S 2 - #define AR_SWITCH_TABLE_COM_ALL (0xffff) #define AR_SWITCH_TABLE_COM_ALL_S (0) #define AR_SWITCH_TABLE_COM_AR9462_ALL (0xffffff) @@ -712,15 +705,17 @@ #define AR_SWITCH_TABLE_ALL (0xfff) #define AR_SWITCH_TABLE_ALL_S (0) -#define AR_PHY_65NM_CH0_THERM (AR_SREV_9300(ah) ? 0x16290 :\ - ((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0x16294 : 0x1628c)) +#define AR_CH0_THERM (AR_SREV_9300(ah) ? 0x16290 :\ + ((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0x16294 : 0x1628c)) +#define AR_CH0_THERM_XPABIASLVL_MSB 0x3 +#define AR_CH0_THERM_XPABIASLVL_MSB_S 0 +#define AR_CH0_THERM_XPASHORT2GND 0x4 +#define AR_CH0_THERM_XPASHORT2GND_S 2 -#define AR_PHY_65NM_CH0_THERM_LOCAL 0x80000000 -#define AR_PHY_65NM_CH0_THERM_LOCAL_S 31 -#define AR_PHY_65NM_CH0_THERM_START 0x20000000 -#define AR_PHY_65NM_CH0_THERM_START_S 29 -#define AR_PHY_65NM_CH0_THERM_SAR_ADC_OUT 0x0000ff00 -#define AR_PHY_65NM_CH0_THERM_SAR_ADC_OUT_S 8 +#define AR_CH0_THERM_LOCAL 0x80000000 +#define AR_CH0_THERM_START 0x20000000 +#define AR_CH0_THERM_SAR_ADC_OUT 0x0000ff00 +#define AR_CH0_THERM_SAR_ADC_OUT_S 8 #define AR_CH0_TOP2 (AR_SREV_9300(ah) ? 0x1628c : \ (AR_SREV_9462(ah) ? 0x16290 : 0x16284)) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 93b3793cce2f..26fc8ecfe8c4 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -637,6 +637,8 @@ struct ath9k_vif_iter_data { int nwds; /* number of WDS vifs */ int nadhocs; /* number of adhoc vifs */ int nocbs; /* number of OCB vifs */ + int nbcnvifs; /* number of beaconing vifs */ + struct ieee80211_vif *primary_beacon_vif; struct ieee80211_vif *primary_sta; }; @@ -685,10 +687,11 @@ struct ath_beacon { }; void ath9k_beacon_tasklet(unsigned long data); -void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, - u32 changed); +void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif, + bool beacons); void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); +void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc); void ath9k_set_beacon(struct ath_softc *sc); bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_csa_update(struct ath_softc *sc); diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 5cf0cd7cb2d1..e36f947e19fc 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -50,7 +50,7 @@ static void ath9k_beaconq_config(struct ath_softc *sc) txq = sc->tx.txq_map[IEEE80211_AC_BE]; ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be); qi.tqi_aifs = qi_be.tqi_aifs; - if (ah->slottime == ATH9K_SLOT_TIME_20) + if (ah->slottime == 20) qi.tqi_cwmin = 2*qi_be.tqi_cwmin; else qi.tqi_cwmin = 4*qi_be.tqi_cwmin; @@ -209,7 +209,6 @@ void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif) } sc->beacon.bslot[avp->av_bslot] = vif; - sc->nbcnvifs++; ath_dbg(common, CONFIG, "Added interface at beacon slot: %d\n", avp->av_bslot); @@ -220,15 +219,12 @@ void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif) struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_vif *avp = (void *)vif->drv_priv; struct ath_buf *bf = avp->av_bcbuf; - struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon; ath_dbg(common, CONFIG, "Removing interface at beacon slot: %d\n", avp->av_bslot); tasklet_disable(&sc->bcon_tasklet); - cur_conf->enable_beacon &= ~BIT(avp->av_bslot); - if (bf && bf->bf_mpdu) { struct sk_buff *skb = bf->bf_mpdu; dma_unmap_single(sc->dev, bf->bf_buf_addr, @@ -240,12 +236,73 @@ void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif) avp->av_bcbuf = NULL; sc->beacon.bslot[avp->av_bslot] = NULL; - sc->nbcnvifs--; list_add_tail(&bf->list, &sc->beacon.bbuf); tasklet_enable(&sc->bcon_tasklet); } +void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc) +{ + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ieee80211_vif *vif; + struct ath_vif *avp; + s64 tsfadjust; + u32 offset; + int first_slot = ATH_BCBUF; + int slot; + + tasklet_disable(&sc->bcon_tasklet); + + /* Find first taken slot. */ + for (slot = 0; slot < ATH_BCBUF; slot++) { + if (sc->beacon.bslot[slot]) { + first_slot = slot; + break; + } + } + if (first_slot == 0) + goto out; + + /* Re-enumarate all slots, moving them forward. */ + for (slot = 0; slot < ATH_BCBUF; slot++) { + if (slot + first_slot < ATH_BCBUF) { + vif = sc->beacon.bslot[slot + first_slot]; + sc->beacon.bslot[slot] = vif; + + if (vif) { + avp = (void *)vif->drv_priv; + avp->av_bslot = slot; + } + } else { + sc->beacon.bslot[slot] = NULL; + } + } + + vif = sc->beacon.bslot[0]; + if (WARN_ON(!vif)) + goto out; + + /* Get the tsf_adjust value for the new first slot. */ + avp = (void *)vif->drv_priv; + tsfadjust = le64_to_cpu(avp->tsf_adjust); + + ath_dbg(common, CONFIG, + "Adjusting global TSF after beacon slot reassignment: %lld\n", + (signed long long)tsfadjust); + + /* Modify TSF as required and update the HW. */ + avp->chanctx->tsf_val += tsfadjust; + if (sc->cur_chan == avp->chanctx) { + offset = ath9k_hw_get_tsf_offset(&avp->chanctx->tsf_ts, NULL); + ath9k_hw_settsf64(sc->sc_ah, avp->chanctx->tsf_val + offset); + } + + /* The slots tsf_adjust will be updated by ath9k_beacon_config later. */ + +out: + tasklet_enable(&sc->bcon_tasklet); +} + static int ath9k_beacon_choose_slot(struct ath_softc *sc) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); @@ -274,22 +331,33 @@ static int ath9k_beacon_choose_slot(struct ath_softc *sc) return slot; } -static void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif) +static void ath9k_set_tsfadjust(struct ath_softc *sc, + struct ath_beacon_config *cur_conf) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_vif *avp = (void *)vif->drv_priv; - struct ath_beacon_config *cur_conf = &avp->chanctx->beacon; - u32 tsfadjust; + s64 tsfadjust; + int slot; - if (avp->av_bslot == 0) - return; + for (slot = 0; slot < ATH_BCBUF; slot++) { + struct ath_vif *avp; - tsfadjust = cur_conf->beacon_interval * avp->av_bslot; - tsfadjust = TU_TO_USEC(tsfadjust) / ATH_BCBUF; - avp->tsf_adjust = cpu_to_le64(tsfadjust); + if (!sc->beacon.bslot[slot]) + continue; - ath_dbg(common, CONFIG, "tsfadjust is: %llu for bslot: %d\n", - (unsigned long long)tsfadjust, avp->av_bslot); + avp = (void *)sc->beacon.bslot[slot]->drv_priv; + + /* tsf_adjust is added to the TSF value. We send out the + * beacon late, so need to adjust the TSF starting point to be + * later in time (i.e. the theoretical first beacon has a TSF + * of 0 after correction). + */ + tsfadjust = cur_conf->beacon_interval * avp->av_bslot; + tsfadjust = -TU_TO_USEC(tsfadjust) / ATH_BCBUF; + avp->tsf_adjust = cpu_to_le64(tsfadjust); + + ath_dbg(common, CONFIG, "tsfadjust is: %lld for bslot: %d\n", + (signed long long)tsfadjust, avp->av_bslot); + } } bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif) @@ -443,20 +511,28 @@ void ath9k_beacon_tasklet(unsigned long data) * Both nexttbtt and intval have to be in usecs. */ static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt, - u32 intval, bool reset_tsf) + u32 intval) { struct ath_hw *ah = sc->sc_ah; ath9k_hw_disable_interrupts(ah); - if (reset_tsf) - ath9k_hw_reset_tsf(ah); ath9k_beaconq_config(sc); ath9k_hw_beaconinit(ah, nexttbtt, intval); + ah->imask |= ATH9K_INT_SWBA; sc->beacon.bmisscnt = 0; ath9k_hw_set_interrupts(ah); ath9k_hw_enable_interrupts(ah); } +static void ath9k_beacon_stop(struct ath_softc *sc) +{ + ath9k_hw_disable_interrupts(sc->sc_ah); + sc->sc_ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS); + sc->beacon.bmisscnt = 0; + ath9k_hw_set_interrupts(sc->sc_ah); + ath9k_hw_enable_interrupts(sc->sc_ah); +} + /* * For multi-bss ap support beacons are either staggered evenly over N slots or * burst together. For the former arrange for the SWBA to be delivered for each @@ -468,7 +544,7 @@ static void ath9k_beacon_config_ap(struct ath_softc *sc, struct ath_hw *ah = sc->sc_ah; ath9k_cmn_beacon_config_ap(ah, conf, ATH_BCBUF); - ath9k_beacon_init(sc, conf->nexttbtt, conf->intval, false); + ath9k_beacon_init(sc, conf->nexttbtt, conf->intval); } static void ath9k_beacon_config_sta(struct ath_hw *ah, @@ -497,7 +573,7 @@ static void ath9k_beacon_config_adhoc(struct ath_softc *sc, ath9k_cmn_beacon_config_adhoc(ah, conf); - ath9k_beacon_init(sc, conf->nexttbtt, conf->intval, conf->ibss_creator); + ath9k_beacon_init(sc, conf->nexttbtt, conf->intval); /* * Set the global 'beacon has been configured' flag for the @@ -507,44 +583,6 @@ static void ath9k_beacon_config_adhoc(struct ath_softc *sc, set_bit(ATH_OP_BEACONS, &common->op_flags); } -static bool ath9k_allow_beacon_config(struct ath_softc *sc, - struct ieee80211_vif *vif) -{ - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_vif *avp = (void *)vif->drv_priv; - - if (ath9k_is_chanctx_enabled()) { - /* - * If the VIF is not present in the current channel context, - * then we can't do the usual opmode checks. Allow the - * beacon config for the VIF to be updated in this case and - * return immediately. - */ - if (sc->cur_chan != avp->chanctx) - return true; - } - - if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) { - if (vif->type != NL80211_IFTYPE_AP) { - ath_dbg(common, CONFIG, - "An AP interface is already present !\n"); - return false; - } - } - - if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) { - if ((vif->type == NL80211_IFTYPE_STATION) && - test_bit(ATH_OP_BEACONS, &common->op_flags) && - vif != sc->cur_chan->primary_sta) { - ath_dbg(common, CONFIG, - "Beacon already configured for a station interface\n"); - return false; - } - } - - return true; -} - static void ath9k_cache_beacon_config(struct ath_softc *sc, struct ath_chanctx *ctx, struct ieee80211_bss_conf *bss_conf) @@ -580,87 +618,79 @@ static void ath9k_cache_beacon_config(struct ath_softc *sc, if (cur_conf->dtim_period == 0) cur_conf->dtim_period = 1; + ath9k_set_tsfadjust(sc, cur_conf); } -void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, - u32 changed) +void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif, + bool beacons) { - struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ath_vif *avp = (void *)vif->drv_priv; - struct ath_chanctx *ctx = avp->chanctx; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ath_vif *avp; + struct ath_chanctx *ctx; struct ath_beacon_config *cur_conf; unsigned long flags; + bool enabled; bool skip_beacon = false; - if (!ctx) + if (!beacons) { + clear_bit(ATH_OP_BEACONS, &common->op_flags); + ath9k_beacon_stop(sc); return; + } - cur_conf = &avp->chanctx->beacon; - if (vif->type == NL80211_IFTYPE_AP) - ath9k_set_tsfadjust(sc, vif); - - if (!ath9k_allow_beacon_config(sc, vif)) + if (WARN_ON(!main_vif)) return; - if (vif->type == NL80211_IFTYPE_STATION) { - ath9k_cache_beacon_config(sc, ctx, bss_conf); - if (ctx != sc->cur_chan) - return; + avp = (void *)main_vif->drv_priv; + ctx = avp->chanctx; + cur_conf = &ctx->beacon; + enabled = cur_conf->enable_beacon; + cur_conf->enable_beacon = beacons; + + if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) { + ath9k_cache_beacon_config(sc, ctx, &main_vif->bss_conf); ath9k_set_beacon(sc); set_bit(ATH_OP_BEACONS, &common->op_flags); return; } - /* - * Take care of multiple interfaces when - * enabling/disabling SWBA. - */ - if (changed & BSS_CHANGED_BEACON_ENABLED) { - bool enabled = cur_conf->enable_beacon; - - if (!bss_conf->enable_beacon) { - cur_conf->enable_beacon &= ~BIT(avp->av_bslot); - } else { - cur_conf->enable_beacon |= BIT(avp->av_bslot); - if (!enabled) - ath9k_cache_beacon_config(sc, ctx, bss_conf); - } - } - - if (ctx != sc->cur_chan) - return; + /* Update the beacon configuration. */ + ath9k_cache_beacon_config(sc, ctx, &main_vif->bss_conf); /* * Configure the HW beacon registers only when we have a valid * beacon interval. */ if (cur_conf->beacon_interval) { - /* - * If we are joining an existing IBSS network, start beaconing - * only after a TSF-sync has taken place. Ensure that this - * happens by setting the appropriate flags. + /* Special case to sync the TSF when joining an existing IBSS. + * This is only done if no AP interface is active. + * Note that mac80211 always resets the TSF when creating a new + * IBSS interface. */ - if ((changed & BSS_CHANGED_IBSS) && !bss_conf->ibss_creator && - bss_conf->enable_beacon) { + if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC && + !enabled && beacons && !main_vif->bss_conf.ibss_creator) { spin_lock_irqsave(&sc->sc_pm_lock, flags); sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON; spin_unlock_irqrestore(&sc->sc_pm_lock, flags); skip_beacon = true; - } else { - ath9k_set_beacon(sc); } /* * Do not set the ATH_OP_BEACONS flag for IBSS joiner mode * here, it is done in ath9k_beacon_config_adhoc(). */ - if (cur_conf->enable_beacon && !skip_beacon) + if (beacons && !skip_beacon) { set_bit(ATH_OP_BEACONS, &common->op_flags); - else + ath9k_set_beacon(sc); + } else { clear_bit(ATH_OP_BEACONS, &common->op_flags); + ath9k_beacon_stop(sc); + } + } else { + clear_bit(ATH_OP_BEACONS, &common->op_flags); + ath9k_beacon_stop(sc); } } diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index e56bafcf5864..57e26a640477 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -960,6 +960,9 @@ void ath_roc_complete(struct ath_softc *sc, enum ath_roc_complete_reason reason) void ath_scan_complete(struct ath_softc *sc, bool abort) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct cfg80211_scan_info info = { + .aborted = abort, + }; if (abort) ath_dbg(common, CHAN_CTX, "HW scan aborted\n"); @@ -969,7 +972,7 @@ void ath_scan_complete(struct ath_softc *sc, bool abort) sc->offchannel.scan_req = NULL; sc->offchannel.scan_vif = NULL; sc->offchannel.state = ATH_OFFCHANNEL_IDLE; - ieee80211_scan_completed(sc->hw, abort); + ieee80211_scan_completed(sc->hw, &info); clear_bit(ATH_OP_SCANNING, &common->op_flags); spin_lock_bh(&sc->chan_lock); if (test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags)) diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h index d23737342f4f..f0ab6f9955e4 100644 --- a/drivers/net/wireless/ath/ath9k/common.h +++ b/drivers/net/wireless/ath/ath9k/common.h @@ -50,6 +50,7 @@ #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) struct ath_beacon_config { + struct ieee80211_vif *main_vif; int beacon_interval; u16 dtim_period; u16 bmiss_timeout; diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c index d2ff0fc0484c..7334c9b09e82 100644 --- a/drivers/net/wireless/ath/ath9k/dynack.c +++ b/drivers/net/wireless/ath/ath9k/dynack.c @@ -280,7 +280,7 @@ EXPORT_SYMBOL(ath_dynack_sample_ack_ts); void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an) { /* ackto = slottime + sifs + air delay */ - u32 ackto = ATH9K_SLOT_TIME_9 + 16 + 64; + u32 ackto = 9 + 16 + 64; struct ath_dynack *da = &ah->dynack; an->ackto = ackto; @@ -315,7 +315,7 @@ EXPORT_SYMBOL(ath_dynack_node_deinit); void ath_dynack_reset(struct ath_hw *ah) { /* ackto = slottime + sifs + air delay */ - u32 ackto = ATH9K_SLOT_TIME_9 + 16 + 64; + u32 ackto = 9 + 16 + 64; struct ath_dynack *da = &ah->dynack; da->lto = jiffies; diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index a794157a147d..a449588a8009 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -15,6 +15,7 @@ */ #include "hw.h" +#include <linux/ath9k_platform.h> void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val) { @@ -108,26 +109,42 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data, } } -static bool ath9k_hw_nvram_read_blob(struct ath_hw *ah, u32 off, - u16 *data) +static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size, + off_t offset, u16 *data) { - u16 *blob_data; - - if (off * sizeof(u16) > ah->eeprom_blob->size) + if (offset > blob_size) return false; - blob_data = (u16 *)ah->eeprom_blob->data; - *data = blob_data[off]; + *data = blob[offset]; return true; } +static bool ath9k_hw_nvram_read_pdata(struct ath9k_platform_data *pdata, + off_t offset, u16 *data) +{ + return ath9k_hw_nvram_read_array(pdata->eeprom_data, + ARRAY_SIZE(pdata->eeprom_data), + offset, data); +} + +static bool ath9k_hw_nvram_read_firmware(const struct firmware *eeprom_blob, + off_t offset, u16 *data) +{ + return ath9k_hw_nvram_read_array((u16 *) eeprom_blob->data, + eeprom_blob->size / sizeof(u16), + offset, data); +} + bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data) { struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_platform_data *pdata = ah->dev->platform_data; bool ret; if (ah->eeprom_blob) - ret = ath9k_hw_nvram_read_blob(ah, off, data); + ret = ath9k_hw_nvram_read_firmware(ah->eeprom_blob, off, data); + else if (pdata && !pdata->use_eeprom && pdata->eeprom_data) + ret = ath9k_hw_nvram_read_pdata(pdata, off, data); else ret = common->bus_ops->eeprom_read(common, off, data); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index e6bcb4c90fa0..2c0e4d26e8f9 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -45,7 +45,7 @@ void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv) * Long slot time : 2x cwmin * Short slot time : 4x cwmin */ - if (ah->slottime == ATH9K_SLOT_TIME_20) + if (ah->slottime == 20) qi.tqi_cwmin = 2*qi_be.tqi_cwmin; else qi.tqi_cwmin = 4*qi_be.tqi_cwmin; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index c148c6c504f7..b65c1b661ade 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -678,7 +678,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv, for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) priv->beacon.bslot[i] = NULL; - priv->beacon.slottime = ATH9K_SLOT_TIME_9; + priv->beacon.slottime = 9; ath9k_cmn_init_channels_rates(common); ath9k_cmn_init_crypto(ah); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 8b2895f9ac7a..d1d0c06d627c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -454,7 +454,7 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah) if (AR_SREV_9100(ah)) ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX; - ah->slottime = ATH9K_SLOT_TIME_9; + ah->slottime = 9; ah->globaltxtimeout = (u32) -1; ah->power_mode = ATH9K_PM_UNDEFINED; ah->htc_reset_init = true; @@ -471,33 +471,34 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah) ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S); } -static int ath9k_hw_init_macaddr(struct ath_hw *ah) +static void ath9k_hw_init_macaddr(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); - u32 sum; int i; u16 eeval; static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW }; - sum = 0; + /* MAC address may already be loaded via ath9k_platform_data */ + if (is_valid_ether_addr(common->macaddr)) + return; + for (i = 0; i < 3; i++) { eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]); - sum += eeval; common->macaddr[2 * i] = eeval >> 8; common->macaddr[2 * i + 1] = eeval & 0xff; } - if (!is_valid_ether_addr(common->macaddr)) { - ath_err(common, - "eeprom contains invalid mac address: %pM\n", - common->macaddr); - random_ether_addr(common->macaddr); - ath_err(common, - "random mac address will be used: %pM\n", - common->macaddr); - } + if (is_valid_ether_addr(common->macaddr)) + return; - return 0; + ath_err(common, "eeprom contains invalid mac address: %pM\n", + common->macaddr); + + random_ether_addr(common->macaddr); + ath_err(common, "random mac address will be used: %pM\n", + common->macaddr); + + return; } static int ath9k_hw_post_init(struct ath_hw *ah) @@ -636,12 +637,7 @@ static int __ath9k_hw_init(struct ath_hw *ah) if (r) return r; - r = ath9k_hw_init_macaddr(ah); - if (r) { - ath_err(common, "Failed to initialize MAC address\n"); - return r; - } - + ath9k_hw_init_macaddr(ah); ath9k_hw_init_hang_checks(ah); common->state = ATH_HW_INITIALIZED; @@ -1832,8 +1828,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u32 saveLedState; u32 saveDefAntenna; u32 macStaId1; + struct timespec tsf_ts; + u32 tsf_offset; u64 tsf = 0; - s64 usec = 0; int r; bool start_mci_reset = false; bool save_fullsleep = ah->chip_fullsleep; @@ -1877,8 +1874,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; /* Save TSF before chip reset, a cold reset clears it */ + getrawmonotonic(&tsf_ts); tsf = ath9k_hw_gettsf64(ah); - usec = ktime_to_us(ktime_get_raw()); saveLedState = REG_READ(ah, AR_CFG_LED) & (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | @@ -1911,8 +1908,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, } /* Restore TSF */ - usec = ktime_to_us(ktime_get_raw()) - usec; - ath9k_hw_settsf64(ah, tsf + usec); + tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); + ath9k_hw_settsf64(ah, tsf + tsf_offset); if (AR_SREV_9280_20_OR_LATER(ah)) REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE); @@ -1932,12 +1929,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, /* * Some AR91xx SoC devices frequently fail to accept TSF writes * right after the chip reset. When that happens, write a new - * value after the initvals have been applied, with an offset - * based on measured time difference + * value after the initvals have been applied. */ if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { - tsf += 1500; - ath9k_hw_settsf64(ah, tsf); + tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); + ath9k_hw_settsf64(ah, tsf + tsf_offset); } ath9k_hw_init_mfp(ah); diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 9cbca1229bac..2a5d3ad1169c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -830,6 +830,7 @@ struct ath_hw { /* Calibration */ u32 supp_cals; struct ath9k_cal_list iq_caldata; + struct ath9k_cal_list temp_caldata; struct ath9k_cal_list adcgain_caldata; struct ath9k_cal_list adcdc_caldata; struct ath9k_cal_list *cal_list; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 2ee8624755f7..edc74fca60aa 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -372,7 +372,7 @@ static void ath9k_init_misc(struct ath_softc *sc) common->last_rssi = ATH_RSSI_DUMMY_MARKER; memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); - sc->beacon.slottime = ATH9K_SLOT_TIME_9; + sc->beacon.slottime = 9; for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) sc->beacon.bslot[i] = NULL; @@ -512,31 +512,52 @@ static void ath9k_eeprom_release(struct ath_softc *sc) release_firmware(sc->sc_ah->eeprom_blob); } -static int ath9k_init_soc_platform(struct ath_softc *sc) +static int ath9k_init_platform(struct ath_softc *sc) { struct ath9k_platform_data *pdata = sc->dev->platform_data; struct ath_hw *ah = sc->sc_ah; - int ret = 0; + struct ath_common *common = ath9k_hw_common(ah); + int ret; if (!pdata) return 0; + if (!pdata->use_eeprom) { + ah->ah_flags &= ~AH_USE_EEPROM; + ah->gpio_mask = pdata->gpio_mask; + ah->gpio_val = pdata->gpio_val; + ah->led_pin = pdata->led_pin; + ah->is_clk_25mhz = pdata->is_clk_25mhz; + ah->get_mac_revision = pdata->get_mac_revision; + ah->external_reset = pdata->external_reset; + ah->disable_2ghz = pdata->disable_2ghz; + ah->disable_5ghz = pdata->disable_5ghz; + + if (!pdata->endian_check) + ah->ah_flags |= AH_NO_EEP_SWAP; + } + if (pdata->eeprom_name) { ret = ath9k_eeprom_request(sc, pdata->eeprom_name); if (ret) return ret; } + if (pdata->led_active_high) + ah->config.led_active_high = true; + if (pdata->tx_gain_buffalo) ah->config.tx_gain_buffalo = true; - return ret; + if (pdata->macaddr) + ether_addr_copy(common->macaddr, pdata->macaddr); + + return 0; } static int ath9k_init_softc(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops) { - struct ath9k_platform_data *pdata = sc->dev->platform_data; struct ath_hw *ah = NULL; struct ath9k_hw_capabilities *pCap; struct ath_common *common; @@ -550,6 +571,8 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, ah->dev = sc->dev; ah->hw = sc->hw; ah->hw_version.devid = devid; + ah->ah_flags |= AH_USE_EEPROM; + ah->led_pin = -1; ah->reg_ops.read = ath9k_ioread32; ah->reg_ops.multi_read = ath9k_multi_ioread32; ah->reg_ops.write = ath9k_iowrite32; @@ -569,22 +592,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, if (!ath9k_is_chanctx_enabled()) sc->cur_chan->hw_queue_base = 0; - if (!pdata || pdata->use_eeprom) { - ah->ah_flags |= AH_USE_EEPROM; - sc->sc_ah->led_pin = -1; - } else { - sc->sc_ah->gpio_mask = pdata->gpio_mask; - sc->sc_ah->gpio_val = pdata->gpio_val; - sc->sc_ah->led_pin = pdata->led_pin; - ah->is_clk_25mhz = pdata->is_clk_25mhz; - ah->get_mac_revision = pdata->get_mac_revision; - ah->external_reset = pdata->external_reset; - ah->disable_2ghz = pdata->disable_2ghz; - ah->disable_5ghz = pdata->disable_5ghz; - if (!pdata->endian_check) - ah->ah_flags |= AH_NO_EEP_SWAP; - } - common->ops = &ah->reg_ops; common->bus_ops = bus_ops; common->ps_ops = &ath9k_ps_ops; @@ -600,7 +607,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, */ ath9k_init_pcoem_platform(sc); - ret = ath9k_init_soc_platform(sc); + ret = ath9k_init_platform(sc); if (ret) return ret; @@ -646,9 +653,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, if (ret) goto err_hw; - if (pdata && pdata->macaddr) - memcpy(common->macaddr, pdata->macaddr, ETH_ALEN); - ret = ath9k_init_queues(sc); if (ret) goto err_queues; diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index 7fbf7f965f61..3bab01435a86 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -65,10 +65,6 @@ #define INIT_SSH_RETRY 32 #define INIT_SLG_RETRY 32 -#define ATH9K_SLOT_TIME_6 6 -#define ATH9K_SLOT_TIME_9 9 -#define ATH9K_SLOT_TIME_20 20 - #define ATH9K_TXERR_XRETRY 0x01 #define ATH9K_TXERR_FILT 0x02 #define ATH9K_TXERR_FIFO 0x04 diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 8b6398850657..7594650f214f 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -910,6 +910,22 @@ static bool ath9k_uses_beacons(int type) } } +static void ath9k_vif_iter_set_beacon(struct ath9k_vif_iter_data *iter_data, + struct ieee80211_vif *vif) +{ + /* Use the first (configured) interface, but prefering AP interfaces. */ + if (!iter_data->primary_beacon_vif) { + iter_data->primary_beacon_vif = vif; + } else { + if (iter_data->primary_beacon_vif->type != NL80211_IFTYPE_AP && + vif->type == NL80211_IFTYPE_AP) + iter_data->primary_beacon_vif = vif; + } + + iter_data->beacons = true; + iter_data->nbcnvifs += 1; +} + static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, u8 *mac, struct ieee80211_vif *vif) { @@ -926,11 +942,13 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, } if (!vif->bss_conf.use_short_slot) - iter_data->slottime = ATH9K_SLOT_TIME_20; + iter_data->slottime = 20; switch (vif->type) { case NL80211_IFTYPE_AP: iter_data->naps++; + if (vif->bss_conf.enable_beacon) + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_STATION: iter_data->nstations++; @@ -943,12 +961,12 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, case NL80211_IFTYPE_ADHOC: iter_data->nadhocs++; if (vif->bss_conf.enable_beacon) - iter_data->beacons = true; + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_MESH_POINT: iter_data->nmeshes++; if (vif->bss_conf.enable_beacon) - iter_data->beacons = true; + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_WDS: iter_data->nwds++; @@ -999,7 +1017,7 @@ void ath9k_calculate_iter_data(struct ath_softc *sc, */ memset(iter_data, 0, sizeof(*iter_data)); eth_broadcast_addr(iter_data->mask); - iter_data->slottime = ATH9K_SLOT_TIME_9; + iter_data->slottime = 9; list_for_each_entry(avp, &ctx->vifs, list) ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif); @@ -1061,7 +1079,7 @@ static void ath9k_set_offchannel_state(struct ath_softc *sc) ah->opmode = vif->type; ah->imask &= ~ATH9K_INT_SWBA; ah->imask &= ~ATH9K_INT_TSFOOR; - ah->slottime = ATH9K_SLOT_TIME_9; + ah->slottime = 9; ath_hw_setbssidmask(common); ath9k_hw_setopmode(ah); @@ -1081,7 +1099,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); struct ath9k_vif_iter_data iter_data; - struct ath_beacon_config *cur_conf; ath_chanctx_check_active(sc, ctx); @@ -1103,13 +1120,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, ath_hw_setbssidmask(common); if (iter_data.naps > 0) { - cur_conf = &ctx->beacon; ath9k_hw_set_tsfadjust(ah, true); ah->opmode = NL80211_IFTYPE_AP; - if (cur_conf->enable_beacon) - iter_data.beacons = true; } else { ath9k_hw_set_tsfadjust(ah, false); + if (iter_data.beacons) + ath9k_beacon_ensure_primary_slot(sc); if (iter_data.nmeshes) ah->opmode = NL80211_IFTYPE_MESH_POINT; @@ -1134,7 +1150,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, ctx->switch_after_beacon = true; } - ah->imask &= ~ATH9K_INT_SWBA; if (ah->opmode == NL80211_IFTYPE_STATION) { bool changed = (iter_data.primary_sta != ctx->primary_sta); @@ -1151,16 +1166,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, if (ath9k_hw_mci_is_enabled(sc->sc_ah)) ath9k_mci_update_wlan_channels(sc, true); } - } else if (iter_data.beacons) { - ah->imask |= ATH9K_INT_SWBA; } + sc->nbcnvifs = iter_data.nbcnvifs; + ath9k_beacon_config(sc, iter_data.primary_beacon_vif, + iter_data.beacons); ath9k_hw_set_interrupts(ah); - if (iter_data.beacons) - set_bit(ATH_OP_BEACONS, &common->op_flags); - else - clear_bit(ATH_OP_BEACONS, &common->op_flags); - if (ah->slottime != iter_data.slottime) { ah->slottime = iter_data.slottime; ath9k_hw_init_global_settings(ah); @@ -1777,9 +1788,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, if ((changed & BSS_CHANGED_BEACON_ENABLED) || (changed & BSS_CHANGED_BEACON_INT) || (changed & BSS_CHANGED_BEACON_INFO)) { - ath9k_beacon_config(sc, vif, changed); - if (changed & BSS_CHANGED_BEACON_ENABLED) - ath9k_calculate_summary_state(sc, avp->chanctx); + ath9k_calculate_summary_state(sc, avp->chanctx); } if ((avp->chanctx == sc->cur_chan) && @@ -1788,6 +1797,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, slottime = 9; else slottime = 20; + if (vif->type == NL80211_IFTYPE_AP) { /* * Defer update, so that connected stations can adjust @@ -1823,11 +1833,19 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; u64 tsf; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - tsf = ath9k_hw_gettsf64(sc->sc_ah); + /* Get current TSF either from HW or kernel time. */ + if (sc->cur_chan == avp->chanctx) { + tsf = ath9k_hw_gettsf64(sc->sc_ah); + } else { + tsf = sc->cur_chan->tsf_val + + ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL); + } + tsf += le64_to_cpu(avp->tsf_adjust); ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); @@ -1839,10 +1857,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ath9k_hw_settsf64(sc->sc_ah, tsf); + tsf -= le64_to_cpu(avp->tsf_adjust); + getrawmonotonic(&avp->chanctx->tsf_ts); + if (sc->cur_chan == avp->chanctx) + ath9k_hw_settsf64(sc->sc_ah, tsf); + avp->chanctx->tsf_val = tsf; ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); } @@ -1850,11 +1873,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ath9k_hw_reset_tsf(sc->sc_ah); + getrawmonotonic(&avp->chanctx->tsf_ts); + if (sc->cur_chan == avp->chanctx) + ath9k_hw_reset_tsf(sc->sc_ah); + avp->chanctx->tsf_val = 0; ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 7cdaf40c3057..0dd454acf22a 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -19,7 +19,6 @@ #include <linux/nl80211.h> #include <linux/pci.h> #include <linux/pci-aspm.h> -#include <linux/ath9k_platform.h> #include <linux/module.h> #include "ath9k.h" @@ -786,35 +785,21 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz) static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data) { - struct ath_softc *sc = (struct ath_softc *) common->priv; - struct ath9k_platform_data *pdata = sc->dev->platform_data; - - if (pdata && !pdata->use_eeprom) { - if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { - ath_err(common, - "%s: eeprom read failed, offset %08x is out of range\n", - __func__, off); - } - - *data = pdata->eeprom_data[off]; - } else { - struct ath_hw *ah = (struct ath_hw *) common->ah; - - common->ops->read(ah, AR5416_EEPROM_OFFSET + - (off << AR5416_EEPROM_S)); - - if (!ath9k_hw_wait(ah, - AR_EEPROM_STATUS_DATA, - AR_EEPROM_STATUS_DATA_BUSY | - AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, - AH_WAIT_TIMEOUT)) { - return false; - } - - *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA), - AR_EEPROM_STATUS_DATA_VAL); + struct ath_hw *ah = (struct ath_hw *) common->ah; + + common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); + + if (!ath9k_hw_wait(ah, + AR_EEPROM_STATUS_DATA, + AR_EEPROM_STATUS_DATA_BUSY | + AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, + AH_WAIT_TIMEOUT)) { + return false; } + *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA), + AR_EEPROM_STATUS_DATA_VAL); + return true; } diff --git a/drivers/net/wireless/ath/ath9k/tx99.c b/drivers/net/wireless/ath/ath9k/tx99.c index ac4781f37e78..16aca9e28b77 100644 --- a/drivers/net/wireless/ath/ath9k/tx99.c +++ b/drivers/net/wireless/ath/ath9k/tx99.c @@ -132,7 +132,6 @@ static int ath9k_tx99_init(struct ath_softc *sc) ath9k_ps_wakeup(sc); ath9k_hw_disable_interrupts(ah); - atomic_set(&ah->intr_ref_cnt, -1); ath_drain_all_txq(sc); ath_stoprecv(sc); @@ -266,7 +265,7 @@ static const struct file_operations fops_tx99_power = { void ath9k_tx99_init_debug(struct ath_softc *sc) { - if (!AR_SREV_9300_20_OR_LATER(sc->sc_ah)) + if (!AR_SREV_9280_20_OR_LATER(sc->sc_ah)) return; debugfs_create_file("tx99", S_IRUSR | S_IWUSR, |