diff options
Diffstat (limited to 'drivers/net/wireless/ath9k')
31 files changed, 0 insertions, 31451 deletions
diff --git a/drivers/net/wireless/ath9k/Kconfig b/drivers/net/wireless/ath9k/Kconfig deleted file mode 100644 index 90a8dd87378..00000000000 --- a/drivers/net/wireless/ath9k/Kconfig +++ /dev/null @@ -1,23 +0,0 @@ -config ATH9K - tristate "Atheros 802.11n wireless cards support" - depends on PCI && MAC80211 && WLAN_80211 - depends on RFKILL || RFKILL=n - select MAC80211_LEDS - select LEDS_CLASS - select NEW_LEDS - ---help--- - This module adds support for wireless adapters based on - Atheros IEEE 802.11n AR5008 and AR9001 family of chipsets. - - If you choose to build a module, it'll be called ath9k. - -config ATH9K_DEBUG - bool "Atheros ath9k debugging" - depends on ATH9K - ---help--- - Say Y, if you need ath9k to display debug messages. - Pass the debug mask as a module parameter: - - modprobe ath9k debug=0x00002000 - - Look in ath9k/core.h for possible debug masks diff --git a/drivers/net/wireless/ath9k/Makefile b/drivers/net/wireless/ath9k/Makefile deleted file mode 100644 index 1a4d4eab6fe..00000000000 --- a/drivers/net/wireless/ath9k/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -ath9k-y += hw.o \ - eeprom.o \ - mac.o \ - calib.o \ - ani.o \ - phy.o \ - regd.o \ - beacon.o \ - main.o \ - recv.o \ - xmit.o \ - virtual.o \ - rc.o - -ath9k-$(CONFIG_PCI) += pci.o -ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o -ath9k-$(CONFIG_ATH9K_DEBUG) += debug.o - -obj-$(CONFIG_ATH9K) += ath9k.o diff --git a/drivers/net/wireless/ath9k/ahb.c b/drivers/net/wireless/ath9k/ahb.c deleted file mode 100644 index 0e65c51ba17..00000000000 --- a/drivers/net/wireless/ath9k/ahb.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright (c) 2008-2009 Atheros Communications Inc. - * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org> - * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org> - * - * 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/nl80211.h> -#include <linux/platform_device.h> -#include <linux/ath9k_platform.h> -#include "ath9k.h" - -/* return bus cachesize in 4B word units */ -static void ath_ahb_read_cachesize(struct ath_softc *sc, int *csz) -{ - *csz = L1_CACHE_BYTES >> 2; -} - -static void ath_ahb_cleanup(struct ath_softc *sc) -{ - iounmap(sc->mem); -} - -static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data) -{ - struct ath_softc *sc = ah->ah_sc; - struct platform_device *pdev = to_platform_device(sc->dev); - struct ath9k_platform_data *pdata; - - pdata = (struct ath9k_platform_data *) pdev->dev.platform_data; - if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { - DPRINTF(ah->ah_sc, ATH_DBG_FATAL, - "%s: flash read failed, offset %08x is out of range\n", - __func__, off); - return false; - } - - *data = pdata->eeprom_data[off]; - return true; -} - -static struct ath_bus_ops ath_ahb_bus_ops = { - .read_cachesize = ath_ahb_read_cachesize, - .cleanup = ath_ahb_cleanup, - - .eeprom_read = ath_ahb_eeprom_read, -}; - -static int ath_ahb_probe(struct platform_device *pdev) -{ - void __iomem *mem; - struct ath_wiphy *aphy; - struct ath_softc *sc; - struct ieee80211_hw *hw; - struct resource *res; - int irq; - int ret = 0; - struct ath_hw *ah; - - if (!pdev->dev.platform_data) { - dev_err(&pdev->dev, "no platform data specified\n"); - ret = -EINVAL; - goto err_out; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no memory resource found\n"); - ret = -ENXIO; - goto err_out; - } - - mem = ioremap_nocache(res->start, res->end - res->start + 1); - if (mem == NULL) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err_out; - } - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no IRQ resource found\n"); - ret = -ENXIO; - goto err_iounmap; - } - - irq = res->start; - - hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) + - sizeof(struct ath_softc), &ath9k_ops); - if (hw == NULL) { - dev_err(&pdev->dev, "no memory for ieee80211_hw\n"); - ret = -ENOMEM; - goto err_iounmap; - } - - SET_IEEE80211_DEV(hw, &pdev->dev); - platform_set_drvdata(pdev, hw); - - aphy = hw->priv; - sc = (struct ath_softc *) (aphy + 1); - aphy->sc = sc; - aphy->hw = hw; - sc->pri_wiphy = aphy; - sc->hw = hw; - sc->dev = &pdev->dev; - sc->mem = mem; - sc->bus_ops = &ath_ahb_bus_ops; - sc->irq = irq; - - ret = ath_attach(AR5416_AR9100_DEVID, sc); - if (ret != 0) { - dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret); - ret = -ENODEV; - goto err_free_hw; - } - - ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc); - if (ret) { - dev_err(&pdev->dev, "request_irq failed, err=%d\n", ret); - ret = -EIO; - goto err_detach; - } - - ah = sc->sc_ah; - printk(KERN_INFO - "%s: Atheros AR%s MAC/BB Rev:%x, " - "AR%s RF Rev:%x, mem=0x%lx, irq=%d\n", - wiphy_name(hw->wiphy), - ath_mac_bb_name(ah->hw_version.macVersion), - ah->hw_version.macRev, - ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)), - ah->hw_version.phyRev, - (unsigned long)mem, irq); - - return 0; - - err_detach: - ath_detach(sc); - err_free_hw: - ieee80211_free_hw(hw); - platform_set_drvdata(pdev, NULL); - err_iounmap: - iounmap(mem); - err_out: - return ret; -} - -static int ath_ahb_remove(struct platform_device *pdev) -{ - struct ieee80211_hw *hw = platform_get_drvdata(pdev); - - if (hw) { - struct ath_wiphy *aphy = hw->priv; - struct ath_softc *sc = aphy->sc; - - ath_cleanup(sc); - platform_set_drvdata(pdev, NULL); - } - - return 0; -} - -static struct platform_driver ath_ahb_driver = { - .probe = ath_ahb_probe, - .remove = ath_ahb_remove, - .driver = { - .name = "ath9k", - .owner = THIS_MODULE, - }, -}; - -int ath_ahb_init(void) -{ - return platform_driver_register(&ath_ahb_driver); -} - -void ath_ahb_exit(void) -{ - platform_driver_unregister(&ath_ahb_driver); -} diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c deleted file mode 100644 index 6c5e887d50d..00000000000 --- a/drivers/net/wireless/ath9k/ani.c +++ /dev/null @@ -1,824 +0,0 @@ -/* - * 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 - * 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 "ath9k.h" - -static int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah, - struct ath9k_channel *chan) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ah->ani); i++) { - if (ah->ani[i].c && - ah->ani[i].c->channel == chan->channel) - return i; - if (ah->ani[i].c == NULL) { - ah->ani[i].c = chan; - return i; - } - } - - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "No more channel states left. Using channel 0\n"); - - return 0; -} - -static bool ath9k_hw_ani_control(struct ath_hw *ah, - enum ath9k_ani_cmd cmd, int param) -{ - struct ar5416AniState *aniState = ah->curani; - - switch (cmd & ah->ani_function) { - case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{ - u32 level = param; - - if (level >= ARRAY_SIZE(ah->totalSizeDesired)) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "level out of range (%u > %u)\n", - level, - (unsigned)ARRAY_SIZE(ah->totalSizeDesired)); - return false; - } - - REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, - AR_PHY_DESIRED_SZ_TOT_DES, - ah->totalSizeDesired[level]); - REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1, - AR_PHY_AGC_CTL1_COARSE_LOW, - ah->coarse_low[level]); - REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1, - AR_PHY_AGC_CTL1_COARSE_HIGH, - ah->coarse_high[level]); - REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, - AR_PHY_FIND_SIG_FIRPWR, - ah->firpwr[level]); - - if (level > aniState->noiseImmunityLevel) - ah->stats.ast_ani_niup++; - else if (level < aniState->noiseImmunityLevel) - ah->stats.ast_ani_nidown++; - aniState->noiseImmunityLevel = level; - break; - } - case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ - const int m1ThreshLow[] = { 127, 50 }; - const int m2ThreshLow[] = { 127, 40 }; - const int m1Thresh[] = { 127, 0x4d }; - const int m2Thresh[] = { 127, 0x40 }; - const int m2CountThr[] = { 31, 16 }; - const int m2CountThrLow[] = { 63, 48 }; - u32 on = param ? 1 : 0; - - REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, - AR_PHY_SFCORR_LOW_M1_THRESH_LOW, - m1ThreshLow[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, - AR_PHY_SFCORR_LOW_M2_THRESH_LOW, - m2ThreshLow[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR, - AR_PHY_SFCORR_M1_THRESH, - m1Thresh[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR, - AR_PHY_SFCORR_M2_THRESH, - m2Thresh[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR, - AR_PHY_SFCORR_M2COUNT_THR, - m2CountThr[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, - AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, - m2CountThrLow[on]); - - REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, - AR_PHY_SFCORR_EXT_M1_THRESH_LOW, - m1ThreshLow[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, - AR_PHY_SFCORR_EXT_M2_THRESH_LOW, - m2ThreshLow[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, - AR_PHY_SFCORR_EXT_M1_THRESH, - m1Thresh[on]); - REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, - AR_PHY_SFCORR_EXT_M2_THRESH, - m2Thresh[on]); - - if (on) - REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, - AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); - else - REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW, - AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); - - if (!on != aniState->ofdmWeakSigDetectOff) { - if (on) - ah->stats.ast_ani_ofdmon++; - else - ah->stats.ast_ani_ofdmoff++; - aniState->ofdmWeakSigDetectOff = !on; - } - break; - } - case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{ - const int weakSigThrCck[] = { 8, 6 }; - u32 high = param ? 1 : 0; - - REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT, - AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK, - weakSigThrCck[high]); - if (high != aniState->cckWeakSigThreshold) { - if (high) - ah->stats.ast_ani_cckhigh++; - else - ah->stats.ast_ani_ccklow++; - aniState->cckWeakSigThreshold = high; - } - break; - } - case ATH9K_ANI_FIRSTEP_LEVEL:{ - const int firstep[] = { 0, 4, 8 }; - u32 level = param; - - if (level >= ARRAY_SIZE(firstep)) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "level out of range (%u > %u)\n", - level, - (unsigned) ARRAY_SIZE(firstep)); - return false; - } - REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, - AR_PHY_FIND_SIG_FIRSTEP, - firstep[level]); - if (level > aniState->firstepLevel) - ah->stats.ast_ani_stepup++; - else if (level < aniState->firstepLevel) - ah->stats.ast_ani_stepdown++; - aniState->firstepLevel = level; - break; - } - case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{ - const int cycpwrThr1[] = - { 2, 4, 6, 8, 10, 12, 14, 16 }; - u32 level = param; - - if (level >= ARRAY_SIZE(cycpwrThr1)) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "level out of range (%u > %u)\n", - level, - (unsigned) - ARRAY_SIZE(cycpwrThr1)); - return false; - } - REG_RMW_FIELD(ah, AR_PHY_TIMING5, - AR_PHY_TIMING5_CYCPWR_THR1, - cycpwrThr1[level]); - if (level > aniState->spurImmunityLevel) - ah->stats.ast_ani_spurup++; - else if (level < aniState->spurImmunityLevel) - ah->stats.ast_ani_spurdown++; - aniState->spurImmunityLevel = level; - break; - } - case ATH9K_ANI_PRESENT: - break; - default: - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "invalid cmd %u\n", cmd); - return false; - } - - DPRINTF(ah->ah_sc, ATH_DBG_ANI, "ANI parameters:\n"); - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "noiseImmunityLevel=%d, spurImmunityLevel=%d, " - "ofdmWeakSigDetectOff=%d\n", - aniState->noiseImmunityLevel, aniState->spurImmunityLevel, - !aniState->ofdmWeakSigDetectOff); - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "cckWeakSigThreshold=%d, " - "firstepLevel=%d, listenTime=%d\n", - aniState->cckWeakSigThreshold, aniState->firstepLevel, - aniState->listenTime); - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n", - aniState->cycleCount, aniState->ofdmPhyErrCount, - aniState->cckPhyErrCount); - - return true; -} - -static void ath9k_hw_update_mibstats(struct ath_hw *ah, - struct ath9k_mib_stats *stats) -{ - stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL); - stats->rts_bad += REG_READ(ah, AR_RTS_FAIL); - stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL); - stats->rts_good += REG_READ(ah, AR_RTS_OK); - stats->beacons += REG_READ(ah, AR_BEACON_CNT); -} - -static void ath9k_ani_restart(struct ath_hw *ah) -{ - struct ar5416AniState *aniState; - - if (!DO_ANI(ah)) - return; - - aniState = ah->curani; - - aniState->listenTime = 0; - if (ah->has_hw_phycounters) { - if (aniState->ofdmTrigHigh > AR_PHY_COUNTMAX) { - aniState->ofdmPhyErrBase = 0; - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "OFDM Trigger is too high for hw counters\n"); - } else { - aniState->ofdmPhyErrBase = - AR_PHY_COUNTMAX - aniState->ofdmTrigHigh; - } - if (aniState->cckTrigHigh > AR_PHY_COUNTMAX) { - aniState->cckPhyErrBase = 0; - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "CCK Trigger is too high for hw counters\n"); - } else { - aniState->cckPhyErrBase = - AR_PHY_COUNTMAX - aniState->cckTrigHigh; - } - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "Writing ofdmbase=%u cckbase=%u\n", - aniState->ofdmPhyErrBase, - aniState->cckPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_1, aniState->ofdmPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_2, aniState->cckPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING); - REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); - - ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); - } - aniState->ofdmPhyErrCount = 0; - aniState->cckPhyErrCount = 0; -} - -static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah) -{ - struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; - struct ar5416AniState *aniState; - int32_t rssi; - - if (!DO_ANI(ah)) - return; - - aniState = ah->curani; - - if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) { - if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, - aniState->noiseImmunityLevel + 1)) { - return; - } - } - - if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) { - if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, - aniState->spurImmunityLevel + 1)) { - return; - } - } - - if (ah->opmode == NL80211_IFTYPE_AP) { - if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) { - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel + 1); - } - return; - } - rssi = BEACON_RSSI(ah); - if (rssi > aniState->rssiThrHigh) { - if (!aniState->ofdmWeakSigDetectOff) { - if (ath9k_hw_ani_control(ah, - ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - false)) { - ath9k_hw_ani_control(ah, - ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0); - return; - } - } - if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) { - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel + 1); - return; - } - } else if (rssi > aniState->rssiThrLow) { - if (aniState->ofdmWeakSigDetectOff) - ath9k_hw_ani_control(ah, - ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - true); - if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel + 1); - return; - } else { - if (conf->channel->band == IEEE80211_BAND_2GHZ) { - if (!aniState->ofdmWeakSigDetectOff) - ath9k_hw_ani_control(ah, - ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - false); - if (aniState->firstepLevel > 0) - ath9k_hw_ani_control(ah, - ATH9K_ANI_FIRSTEP_LEVEL, 0); - return; - } - } -} - -static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah) -{ - struct ieee80211_conf *conf = &ah->ah_sc->hw->conf; - struct ar5416AniState *aniState; - int32_t rssi; - - if (!DO_ANI(ah)) - return; - - aniState = ah->curani; - if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) { - if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, - aniState->noiseImmunityLevel + 1)) { - return; - } - } - if (ah->opmode == NL80211_IFTYPE_AP) { - if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) { - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel + 1); - } - return; - } - rssi = BEACON_RSSI(ah); - if (rssi > aniState->rssiThrLow) { - if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel + 1); - } else { - if (conf->channel->band == IEEE80211_BAND_2GHZ) { - if (aniState->firstepLevel > 0) - ath9k_hw_ani_control(ah, - ATH9K_ANI_FIRSTEP_LEVEL, 0); - } - } -} - -static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah) -{ - struct ar5416AniState *aniState; - int32_t rssi; - - aniState = ah->curani; - - if (ah->opmode == NL80211_IFTYPE_AP) { - if (aniState->firstepLevel > 0) { - if (ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel - 1)) - return; - } - } else { - rssi = BEACON_RSSI(ah); - if (rssi > aniState->rssiThrHigh) { - /* XXX: Handle me */ - } else if (rssi > aniState->rssiThrLow) { - if (aniState->ofdmWeakSigDetectOff) { - if (ath9k_hw_ani_control(ah, - ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - true) == true) - return; - } - if (aniState->firstepLevel > 0) { - if (ath9k_hw_ani_control(ah, - ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel - 1) == true) - return; - } - } else { - if (aniState->firstepLevel > 0) { - if (ath9k_hw_ani_control(ah, - ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel - 1) == true) - return; - } - } - } - - if (aniState->spurImmunityLevel > 0) { - if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, - aniState->spurImmunityLevel - 1)) - return; - } - - if (aniState->noiseImmunityLevel > 0) { - ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, - aniState->noiseImmunityLevel - 1); - return; - } -} - -static int32_t ath9k_hw_ani_get_listen_time(struct ath_hw *ah) -{ - struct ar5416AniState *aniState; - u32 txFrameCount, rxFrameCount, cycleCount; - int32_t listenTime; - - txFrameCount = REG_READ(ah, AR_TFCNT); - rxFrameCount = REG_READ(ah, AR_RFCNT); - cycleCount = REG_READ(ah, AR_CCCNT); - - aniState = ah->curani; - if (aniState->cycleCount == 0 || aniState->cycleCount > cycleCount) { - - listenTime = 0; - ah->stats.ast_ani_lzero++; - } else { - int32_t ccdelta = cycleCount - aniState->cycleCount; - int32_t rfdelta = rxFrameCount - aniState->rxFrameCount; - int32_t tfdelta = txFrameCount - aniState->txFrameCount; - listenTime = (ccdelta - rfdelta - tfdelta) / 44000; - } - aniState->cycleCount = cycleCount; - aniState->txFrameCount = txFrameCount; - aniState->rxFrameCount = rxFrameCount; - - return listenTime; -} - -void ath9k_ani_reset(struct ath_hw *ah) -{ - struct ar5416AniState *aniState; - struct ath9k_channel *chan = ah->curchan; - int index; - - if (!DO_ANI(ah)) - return; - - index = ath9k_hw_get_ani_channel_idx(ah, chan); - aniState = &ah->ani[index]; - ah->curani = aniState; - - if (DO_ANI(ah) && ah->opmode != NL80211_IFTYPE_STATION - && ah->opmode != NL80211_IFTYPE_ADHOC) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "Reset ANI state opmode %u\n", ah->opmode); - ah->stats.ast_ani_reset++; - - ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, 0); - ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0); - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0); - ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - !ATH9K_ANI_USE_OFDM_WEAK_SIG); - ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR, - ATH9K_ANI_CCK_WEAK_SIG_THR); - - ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) | - ATH9K_RX_FILTER_PHYERR); - - if (ah->opmode == NL80211_IFTYPE_AP) { - ah->curani->ofdmTrigHigh = - ah->config.ofdm_trig_high; - ah->curani->ofdmTrigLow = - ah->config.ofdm_trig_low; - ah->curani->cckTrigHigh = - ah->config.cck_trig_high; - ah->curani->cckTrigLow = - ah->config.cck_trig_low; - } - ath9k_ani_restart(ah); - return; - } - - if (aniState->noiseImmunityLevel != 0) - ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL, - aniState->noiseImmunityLevel); - if (aniState->spurImmunityLevel != 0) - ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL, - aniState->spurImmunityLevel); - if (aniState->ofdmWeakSigDetectOff) - ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, - !aniState->ofdmWeakSigDetectOff); - if (aniState->cckWeakSigThreshold) - ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR, - aniState->cckWeakSigThreshold); - if (aniState->firstepLevel != 0) - ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, - aniState->firstepLevel); - if (ah->has_hw_phycounters) { - ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) & - ~ATH9K_RX_FILTER_PHYERR); - ath9k_ani_restart(ah); - REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING); - REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); - - } else { - ath9k_ani_restart(ah); - ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) | - ATH9K_RX_FILTER_PHYERR); - } -} - -void ath9k_hw_ani_monitor(struct ath_hw *ah, - const struct ath9k_node_stats *stats, - struct ath9k_channel *chan) -{ - struct ar5416AniState *aniState; - int32_t listenTime; - - if (!DO_ANI(ah)) - return; - - aniState = ah->curani; - ah->stats.ast_nodestats = *stats; - - listenTime = ath9k_hw_ani_get_listen_time(ah); - if (listenTime < 0) { - ah->stats.ast_ani_lneg++; - ath9k_ani_restart(ah); - return; - } - - aniState->listenTime += listenTime; - - if (ah->has_hw_phycounters) { - u32 phyCnt1, phyCnt2; - u32 ofdmPhyErrCnt, cckPhyErrCnt; - - ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); - - phyCnt1 = REG_READ(ah, AR_PHY_ERR_1); - phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); - - if (phyCnt1 < aniState->ofdmPhyErrBase || - phyCnt2 < aniState->cckPhyErrBase) { - if (phyCnt1 < aniState->ofdmPhyErrBase) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "phyCnt1 0x%x, resetting " - "counter value to 0x%x\n", - phyCnt1, - aniState->ofdmPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_1, - aniState->ofdmPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_MASK_1, - AR_PHY_ERR_OFDM_TIMING); - } - if (phyCnt2 < aniState->cckPhyErrBase) { - DPRINTF(ah->ah_sc, ATH_DBG_ANI, - "phyCnt2 0x%x, resetting " - "counter value to 0x%x\n", - phyCnt2, - aniState->cckPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_2, - aniState->cckPhyErrBase); - REG_WRITE(ah, AR_PHY_ERR_MASK_2, - AR_PHY_ERR_CCK_TIMING); - } - return; - } - - ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase; - ah->stats.ast_ani_ofdmerrs += - ofdmPhyErrCnt - aniState->ofdmPhyErrCount; - aniState->ofdmPhyErrCount = ofdmPhyErrCnt; - - cckPhyErrCnt = phyCnt2 - aniState->cckPhyErrBase; - ah->stats.ast_ani_cckerrs += - cckPhyErrCnt - aniState->cckPhyErrCount; - aniState->cckPhyErrCount = cckPhyErrCnt; - } - - if (aniState->listenTime > 5 * ah->aniperiod) { - if (aniState->ofdmPhyErrCount <= aniState->listenTime * - aniState->ofdmTrigLow / 1000 && - aniState->cckPhyErrCount <= aniState->listenTime * - aniState->cckTrigLow / 1000) - ath9k_hw_ani_lower_immunity(ah); - ath9k_ani_restart(ah); - } else if (aniState->listenTime > ah->aniperiod) { - if (aniState->ofdmPhyErrCount > aniState->listenTime * - aniState->ofdmTrigHigh / 1000) { - ath9k_hw_ani_ofdm_err_trigger(ah); - ath9k_ani_restart(ah); - } else if (aniState->cckPhyErrCount > - aniState->listenTime * aniState->cckTrigHigh / - 1000) { - ath9k_hw_ani_cck_err_trigger(ah); - ath9k_ani_restart(ah); - } - } -} - -bool ath9k_hw_phycounters(struct ath_hw *ah) -{ - return ah->has_hw_phycounters ? true : false; -} - -void ath9k_enable_mib_counters(struct ath_hw *ah) -{ - DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Enable MIB counters\n"); - - ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); - - REG_WRITE(ah, AR_FILT_OFDM, 0); - REG_WRITE(ah, AR_FILT_CCK, 0); - REG_WRITE(ah, AR_MIBC, - ~(AR_MIBC_COW | AR_MIBC_FMC | AR_MIBC_CMC | AR_MIBC_MCS) - & 0x0f); - REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING); - REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); -} - -/* Freeze the MIB counters, get the stats and then clear them */ -void ath9k_hw_disable_mib_counters(struct ath_hw *ah) -{ |