diff options
88 files changed, 1979 insertions, 1329 deletions
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index 9891fb605a01..4ed7f248a577 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -140,9 +140,6 @@ struct ath_common { u8 curbssid[ETH_ALEN]; u8 bssidmask[ETH_ALEN]; - u8 tx_chainmask; - u8 rx_chainmask; - u32 rx_bufsize; u32 keymax; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index fa35a0235f44..3319a676c0fb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -615,11 +615,10 @@ static void ar9003_hw_detect_outlier(int *mp_coeff, int nmeasurement, { int mp_max = -64, max_idx = 0; int mp_min = 63, min_idx = 0; - int mp_avg = 0, i, outlier_idx = 0; + int mp_avg = 0, i, outlier_idx = 0, mp_count = 0; /* find min/max mismatch across all calibrated gains */ for (i = 0; i < nmeasurement; i++) { - mp_avg += mp_coeff[i]; if (mp_coeff[i] > mp_max) { mp_max = mp_coeff[i]; max_idx = i; @@ -632,10 +631,20 @@ static void ar9003_hw_detect_outlier(int *mp_coeff, int nmeasurement, /* find average (exclude max abs value) */ for (i = 0; i < nmeasurement; i++) { if ((abs(mp_coeff[i]) < abs(mp_max)) || - (abs(mp_coeff[i]) < abs(mp_min))) + (abs(mp_coeff[i]) < abs(mp_min))) { mp_avg += mp_coeff[i]; + mp_count++; + } } - mp_avg /= (nmeasurement - 1); + + /* + * finding mean magnitude/phase if possible, otherwise + * just use the last value as the mean + */ + if (mp_count) + mp_avg /= mp_count; + else + mp_avg = mp_coeff[nmeasurement - 1]; /* detect outlier */ if (abs(mp_max - mp_min) > max_delta) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index f80d1d633980..bb2214f425b2 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -113,7 +113,7 @@ static int ar9003_get_training_power_5g(struct ath_hw *ah) if (delta > scale) return -1; - switch (get_streams(common->tx_chainmask)) { + switch (get_streams(ah->txchainmask)) { case 1: delta = 6; break; @@ -126,7 +126,7 @@ static int ar9003_get_training_power_5g(struct ath_hw *ah) default: delta = 0; ath_dbg(common, ATH_DBG_CALIBRATE, - "Invalid tx-chainmask: %u\n", common->tx_chainmask); + "Invalid tx-chainmask: %u\n", ah->txchainmask); } power += delta; diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 5d9a9aabe476..0fb4a26f8979 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -425,6 +425,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status); #define ATH_PAPRD_TIMEOUT 100 /* msecs */ +void ath_reset_work(struct work_struct *work); void ath_hw_check(struct work_struct *work); void ath_hw_pll_work(struct work_struct *work); void ath_paprd_calibrate(struct work_struct *work); @@ -604,6 +605,7 @@ struct ath_softc { struct mutex mutex; struct work_struct paprd_work; struct work_struct hw_check_work; + struct work_struct hw_reset_work; struct completion paprd_complete; unsigned int hw_busy_count; @@ -647,10 +649,10 @@ struct ath_softc { struct ath_descdma txsdma; struct ath_ant_comb ant_comb; + u8 ant_tx, ant_rx; }; void ath9k_tasklet(unsigned long data); -int ath_reset(struct ath_softc *sc, bool retry_tx); int ath_cabq_update(struct ath_softc *); static inline void ath_read_cachesize(struct ath_common *common, int *csz) @@ -668,6 +670,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); +void ath9k_reload_chainmask_settings(struct ath_softc *sc); void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw); bool ath9k_uses_beacons(int type); diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 086c9c816bf7..22e8e2580116 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -107,7 +107,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp, series[0].Tries = 1; series[0].Rate = rate; series[0].ChSel = ath_txchainmask_reduction(sc, - common->tx_chainmask, series[0].Rate); + ah->txchainmask, series[0].Rate); series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0; ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration, series, 4, 0); @@ -386,9 +386,7 @@ void ath_beacon_tasklet(unsigned long data) ath_dbg(common, ATH_DBG_BSTUCK, "beacon is officially stuck\n"); sc->sc_flags |= SC_OP_TSF_RESET; - spin_lock(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock(&sc->sc_pcu_lock); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); } return; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 727e8de22fda..7f143872dc83 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -95,11 +95,11 @@ static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; char buf[32]; unsigned int len; - len = sprintf(buf, "0x%08x\n", common->tx_chainmask); + len = sprintf(buf, "0x%08x\n", ah->txchainmask); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -107,7 +107,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; unsigned long mask; char buf[32]; ssize_t len; @@ -120,8 +120,8 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use if (strict_strtoul(buf, 0, &mask)) return -EINVAL; - common->tx_chainmask = mask; - sc->sc_ah->caps.tx_chainmask = mask; + ah->txchainmask = mask; + ah->caps.tx_chainmask = mask; return count; } @@ -138,11 +138,11 @@ static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; char buf[32]; unsigned int len; - len = sprintf(buf, "0x%08x\n", common->rx_chainmask); + len = sprintf(buf, "0x%08x\n", ah->rxchainmask); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -150,7 +150,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; unsigned long mask; char buf[32]; ssize_t len; @@ -163,8 +163,8 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use if (strict_strtoul(buf, 0, &mask)) return -EINVAL; - common->rx_chainmask = mask; - sc->sc_ah->caps.rx_chainmask = mask; + ah->rxchainmask = mask; + ah->caps.rx_chainmask = mask; return count; } @@ -1323,16 +1323,17 @@ void ath9k_debug_samp_bb_mac(struct ath_softc *sc) ath9k_ps_wakeup(sc); + spin_lock_bh(&sc->debug.samp_lock); + spin_lock_irqsave(&common->cc_lock, flags); ath_hw_cycle_counters_update(common); - spin_unlock_irqrestore(&common->cc_lock, flags); - - spin_lock_bh(&sc->debug.samp_lock); ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; + spin_unlock_irqrestore(&common->cc_lock, flags); + ATH_SAMP_DBG(noise) = ah->noise; REG_WRITE_D(ah, AR_MACMISC, @@ -1373,6 +1374,9 @@ static int open_file_bb_mac_samps(struct inode *inode, struct file *file) u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; u8 nread; + if (sc->sc_flags & SC_OP_INVALID) + return -EAGAIN; + buf = vmalloc(size); if (!buf) return -ENOMEM; @@ -1381,10 +1385,14 @@ static int open_file_bb_mac_samps(struct inode *inode, struct file *file) vfree(buf); return -ENOMEM; } + /* Account the current state too */ + ath9k_debug_samp_bb_mac(sc); spin_lock_bh(&sc->debug.samp_lock); memcpy(bb_mac_samp, sc->debug.bb_mac_samp, sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); + len += snprintf(buf + len, size - len, + "Current Sample Index: %d\n", sc->debug.sampidx); spin_unlock_bh(&sc->debug.samp_lock); len += snprintf(buf + len, size - len, diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 9cf42f6973aa..966661c9e586 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -509,8 +509,8 @@ static void setup_ht_cap(struct ath9k_htc_priv *priv, memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); /* ath9k_htc supports only 1 or 2 stream devices */ - tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, 2); - rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, 2); + tx_streams = ath9k_cmn_count_streams(priv->ah->txchainmask, 2); + rx_streams = ath9k_cmn_count_streams(priv->ah->rxchainmask, 2); ath_dbg(common, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n", @@ -601,9 +601,6 @@ static void ath9k_init_misc(struct ath9k_htc_priv *priv) { struct ath_common *common = ath9k_hw_common(priv->ah); - common->tx_chainmask = priv->ah->caps.tx_chainmask; - common->rx_chainmask = priv->ah->caps.rx_chainmask; - memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); priv->ah->opmode = NL80211_IFTYPE_STATION; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index b9de1511add9..495fdf680a6c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -826,8 +826,7 @@ void ath9k_htc_ani_work(struct work_struct *work) if (longcal || shortcal) common->ani.caldone = ath9k_hw_calibrate(ah, ah->curchan, - common->rx_chainmask, - longcal); + ah->rxchainmask, longcal); ath9k_htc_ps_restore(priv); } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 47d10a4463f1..f2065fce4ec9 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1479,9 +1479,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u64 tsf = 0; int i, r; - ah->txchainmask = common->tx_chainmask; - ah->rxchainmask = common->rx_chainmask; - if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) return -EIO; @@ -2095,6 +2092,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) pCap->tx_chainmask = fixup_chainmask(chip_chainmask, pCap->tx_chainmask); pCap->rx_chainmask = fixup_chainmask(chip_chainmask, pCap->rx_chainmask); + ah->txchainmask = pCap->tx_chainmask; + ah->rxchainmask = pCap->rx_chainmask; ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index dd71a5f77516..9b34c4bab937 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -270,8 +270,8 @@ static void setup_ht_cap(struct ath_softc *sc, /* set up supported mcs set */ memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); - tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, max_streams); - rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, max_streams); + tx_streams = ath9k_cmn_count_streams(ah->txchainmask, max_streams); + rx_streams = ath9k_cmn_count_streams(ah->rxchainmask, max_streams); ath_dbg(common, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n", @@ -506,9 +506,6 @@ static void ath9k_init_misc(struct ath_softc *sc) sc->sc_flags |= SC_OP_RXAGGR; } - common->tx_chainmask = sc->sc_ah->caps.tx_chainmask; - common->rx_chainmask = sc->sc_ah->caps.rx_chainmask; - ath9k_hw_set_diversity(sc->sc_ah, true); sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah); @@ -646,10 +643,8 @@ static void ath9k_init_band_txpower(struct ath_softc *sc, int band) static void ath9k_init_txpower_limits(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath9k_channel *curchan = ah->curchan; - ah->txchainmask = common->tx_chainmask; if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ); if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) @@ -658,9 +653,22 @@ static void ath9k_init_txpower_limits(struct ath_softc *sc) ah->curchan = curchan; } +void ath9k_reload_chainmask_settings(struct ath_softc *sc) +{ + if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)) + return; + + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) + setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap); + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) + setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap); +} + + void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) { - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | @@ -698,6 +706,16 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->sta_data_size = sizeof(struct ath_node); hw->vif_data_size = sizeof(struct ath_vif); + hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1; + hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1; + + /* single chain devices with rx diversity */ + if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) + hw->wiphy->available_antennas_rx = BIT(0) | BIT(1); + + sc->ant_rx = hw->wiphy->available_antennas_rx; + sc->ant_tx = hw->wiphy->available_antennas_tx; + #ifdef CONFIG_ATH9K_RATE_CONTROL hw->rate_control_algorithm = "ath9k_rate_control"; #endif @@ -709,12 +727,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &sc->sbands[IEEE80211_BAND_5GHZ]; - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) - setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap); - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) - setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap); - } + ath9k_reload_chainmask_settings(sc); SET_IEEE80211_PERM_ADDR(hw, common->macaddr); } @@ -782,6 +795,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, goto error_world; } + INIT_WORK(&sc->hw_reset_work, ath_reset_work); INIT_WORK(&sc->hw_check_work, ath_hw_check); INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 7b7864dfab75..c8ac2ce61ffe 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -212,83 +212,58 @@ static int ath_update_survey_stats(struct ath_softc *sc) return ret; } -/* - * Set/change channels. If the channel is really being changed, it's done - * by reseting the chip. To accomplish this we must first cleanup any pending - * DMA, then restart stuff. -*/ -static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, - struct ath9k_channel *hchan) +static void __ath_cancel_work(struct ath_softc *sc) { - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &common->hw->conf; - bool fastcc = true, stopped; - struct ieee80211_channel *channel = hw->conf.channel; - struct ath9k_hw_cal_data *caldata = NULL; - int r; - - if (sc->sc_flags & SC_OP_INVALID) - return -EIO; - - sc->hw_busy_count = 0; - - del_timer_sync(&common->ani.timer); cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->hw_check_work); cancel_delayed_work_sync(&sc->tx_complete_work); cancel_delayed_work_sync(&sc->hw_pll_work); +} - ath9k_ps_wakeup(sc); +static void ath_cancel_work(struct ath_softc *sc) +{ + __ath_cancel_work(sc); + cancel_work_sync(&sc->hw_reset_work); +} - spin_lock_bh(&sc->sc_pcu_lock); +static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + bool ret; - /* - * This is only performed if the channel settings have - * actually changed. - * - * To switch channels clear any pending DMA operations; - * wait long enough for the RX fifo to drain, reset the - * hardware at the new frequency, and then re-enable - * the relevant bits of the h/w. - */ - ath9k_hw_disable_interrupts(ah); - stopped = ath_drain_all_txq(sc, false); + ieee80211_stop_queues(sc->hw); - if (!ath_stoprecv(sc)) - stopped = false; + sc->hw_busy_count = 0; + del_timer_sync(&common->ani.timer); - if (!ath9k_hw_check_alive(ah)) - stopped = false; + ath9k_debug_samp_bb_mac(sc); + ath9k_hw_disable_interrupts(ah); - /* XXX: do not flush receive queue here. We don't want - * to flush data frames already in queue because of - * changing channel. */ + ret = ath_drain_all_txq(sc, retry_tx); - if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL)) - fastcc = false; + if (!ath_stoprecv(sc)) + ret = false; - if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) - caldata = &sc->caldata; + if (!flush) { + if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) + ath_rx_tasklet(sc, 0, true); + ath_rx_tasklet(sc, 0, false); + } else { + ath_flushrecv(sc); + } - ath_dbg(common, ATH_DBG_CONFIG, - "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n", - sc->sc_ah->curchan->channel, - channel->center_freq, conf_is_ht40(conf), - fastcc); + return ret; +} - r = ath9k_hw_reset(ah, hchan, caldata, fastcc); - if (r) { - ath_err(common, - "Unable to reset channel (%u MHz), reset status %d\n", - channel->center_freq, r); - goto ps_restore; - } +static bool ath_complete_reset(struct ath_softc *sc, bool start) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); if (ath_startrecv(sc) != 0) { ath_err(common, "Unable to restart recv logic\n"); - r = -EIO; - goto ps_restore; + return false; } ath9k_cmn_update_txpow(ah, sc->curtxpow, @@ -296,21 +271,109 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, ath9k_hw_set_interrupts(ah, ah->imask); ath9k_hw_enable_interrupts(ah); - if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) { + if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) && start) { if (sc->sc_flags & SC_OP_BEACONS) ath_set_beacon(sc); + ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2); if (!common->disable_ani) ath_start_ani(common); } - ps_restore: - ieee80211_wake_queues(hw); + if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) { + struct ath_hw_antcomb_conf div_ant_conf; + u8 lna_conf; + + ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); + + if (sc->ant_rx == 1) + lna_conf = ATH_ANT_DIV_COMB_LNA1; + else + lna_conf = ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.main_lna_conf = lna_conf; + div_ant_conf.alt_lna_conf = lna_conf; + + ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf); + } + ieee80211_wake_queues(sc->hw); + + return true; +} + +static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan, + bool retry_tx) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_hw_cal_data *caldata = NULL; + bool fastcc = true; + bool flush = false; + int r; + + __ath_cancel_work(sc); + + spin_lock_bh(&sc->sc_pcu_lock); + + if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) { + fastcc = false; + caldata = &sc->caldata; + } + + if (!hchan) { + fastcc = false; + flush = true; + hchan = ah->curchan; + } + + if (fastcc && !ath9k_hw_check_alive(ah)) + fastcc = false; + + if (!ath_prepare_reset(sc, retry_tx, flush)) + fastcc = false; + + ath_dbg(common, ATH_DBG_CONFIG, + "Reset to %u MHz, HT40: %d fastcc: %d\n", + hchan->channel, !!(hchan->channelFlags & (CHANNEL_HT40MINUS | + CHANNEL_HT40PLUS)), + fastcc); + + r = ath9k_hw_reset(ah, hchan, caldata, fastcc); + if (r) { + ath_err(common, + "Unable to reset channel, reset status %d\n", r); + goto out; + } + + if (!ath_complete_reset(sc, true)) + r = -EIO; + +out: spin_unlock_bh(&sc->sc_pcu_lock); + return r; +} + + +/* + * Set/change channels. If the channel is really being changed, it's done + * by reseting the chip. To accomplish this we must first cleanup any pending + * DMA, then restart stuff. +*/ +static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, + struct ath9k_channel *hchan) +{ + int r; + + if (sc->sc_flags & SC_OP_INVALID) + return -EIO; + + ath9k_ps_wakeup(sc); + + r = ath_reset_internal(sc, hchan, false); ath9k_ps_restore(sc); + return r; } @@ -318,7 +381,6 @@ static void ath_paprd_activate(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; struct ath9k_hw_cal_data *caldata = ah->caldata; - struct ath_common *common = ath9k_hw_common(ah); int chain; if (!caldata || !caldata->paprd_done) @@ -327,7 +389,7 @@ static void ath_paprd_activate(struct ath_softc *sc) ath9k_ps_wakeup(sc); ar9003_paprd_enable(ah, false); for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { - if (!(common->tx_chainmask & BIT(chain))) + if (!(ah->txchainmask & BIT(chain))) continue; ar9003_paprd_populate_single_table(ah, caldata, chain); @@ -414,7 +476,7 @@ void ath_paprd_calibrate(struct work_struct *work) memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN); for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { - if (!(common->tx_chainmask & BIT(chain))) + if (!(ah->txchainmask & BIT(chain))) continue; chain_ok = 0; @@ -535,7 +597,7 @@ void ath_ani_calibrate(unsigned long data) if (longcal || shortcal) { common->ani.caldone = ath9k_hw_calibrate(ah, ah->curchan, - common->rx_chainmask, longcal); + ah->rxchainmask, longcal); } ath9k_ps_restore(sc); @@ -597,74 +659,6 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) ath_tx_node_cleanup(sc, an); } -void ath_hw_check(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long flags; - int busy; - - ath9k_ps_wakeup(sc); - if (ath9k_hw_check_alive(sc->sc_ah)) - goto out; - - spin_lock_irqsave(&common->cc_lock, flags); - busy = ath_update_survey_stats(sc); - spin_unlock_irqrestore(&common->cc_lock, flags); - - ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " - "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); - if (busy >= 99) { - if (++sc->hw_busy_count >= 3) { - spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock_bh(&sc->sc_pcu_lock); - } - } else if (busy >= 0) - sc->hw_busy_count = 0; - -out: - ath9k_ps_restore(sc); -} - -static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) -{ - static int count; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - - if (pll_sqsum >= 0x40000) { - count++; - if (count == 3) { - /* Rx is hung for more than 500ms. Reset it */ - ath_dbg(common, ATH_DBG_RESET, - "Possible RX hang, resetting"); - spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock_bh(&sc->sc_pcu_lock); - count = 0; - } - } else - count = 0; -} - -void ath_hw_pll_work(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, - hw_pll_work.work); - u32 pll_sqsum; - - if (AR_SREV_9485(sc->sc_ah)) { - - ath9k_ps_wakeup(sc); - pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); - ath9k_ps_restore(sc); - - ath_hw_pll_rx_hang_check(sc, pll_sqsum); - - ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); - } -} - void ath9k_tasklet(unsigned long data) { @@ -677,9 +671,7 @@ void ath9k_tasklet(unsigned long data) if ((status & ATH9K_INT_FATAL) || (status & ATH9K_INT_BB_WATCHDOG)) { - spin_lock(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock(&sc->sc_pcu_lock); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); return; } @@ -895,28 +887,13 @@ static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) channel->center_freq, r); } - ath9k_cmn_update_txpow(ah, sc->curtxpow, - sc->config.txpowlimit, &sc->curtxpow); - if (ath_startrecv(sc) != 0) { - ath_err(common, "Unable to restart recv logic\n"); - goto out; - } - if (sc->sc_flags & SC_OP_BEACONS) - ath_set_beacon(sc); /* restart beacons */ - - /* Re-Enable interrupts */ - ath9k_hw_set_interrupts(ah, ah->imask); - ath9k_hw_enable_interrupts(ah); + ath_complete_reset(sc, true); /* Enable LED */ ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ath9k_hw_set_gpio(ah, ah->led_pin, 0); - ieee80211_wake_queues(hw); - ieee80211_queue_delayed_work(hw, &sc->hw_pll_work, HZ/2); - -out: spin_unlock_bh(&sc->sc_pcu_lock); ath9k_ps_restore(sc); @@ -929,11 +906,10 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) int r; ath9k_ps_wakeup(sc); - cancel_delayed_work_sync(&sc->hw_pll_work); - spin_lock_bh(&sc->sc_pcu_lock); + ath_cancel_work(sc); - ieee80211_stop_queues(hw); + spin_lock_bh(&sc->sc_pcu_lock); /* * Keep the LED on when the radio is disabled @@ -944,13 +920,7 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) ath9k_hw_cfg_gpio_input(ah, ah->led_pin); } - /* Disable interrupts */ - ath9k_hw_disable_interrupts(ah); - - ath_drain_all_txq(sc, false); /* clear pending tx frames */ - - ath_stoprecv(sc); /* turn off frame recv */ - ath_flushrecv(sc); /* flush recv queue */ + ath_prepare_reset(sc, false, true); if (!ah->curchan) ah->curchan = ath9k_cmn_get_curchannel(hw, ah); @@ -970,51 +940,13 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) ath9k_ps_restore(sc); } -int ath_reset(struct ath_softc *sc, bool retry_tx) +static int ath_reset(struct ath_softc *sc, bool retry_tx) { - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_hw *hw = sc->hw; int r; - sc->hw_busy_count = 0; - - ath9k_debug_samp_bb_mac(sc); - /* Stop ANI */ - - del_timer_sync(&common->ani.timer); - ath9k_ps_wakeup(sc); - ieee80211_stop_queues(hw); - - ath9k_hw_disable_interrupts(ah); - ath_drain_all_txq(sc, retry_tx); - - ath_stoprecv(sc); - ath_flushrecv(sc); - - r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false); - if (r) - ath_err(common, - "Unable to reset hardware; reset status %d\n", r); - - if (ath_startrecv(sc) != 0) - ath_err(common, "Unable to start recv logic\n"); - - /* - * We may be doing a reset in response to a request - * that changes the channel so update any state that - * might change as a result. - */ - ath9k_cmn_update_txpow(ah, sc->curtxpow, - sc->config.txpowlimit, &sc->curtxpow); - - if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL))) - ath_set_beacon(sc); /* restart beacons */ - - ath9k_hw_set_interrupts(ah, ah->imask); - ath9k_hw_enable_interrupts(ah); + r = ath_reset_internal(sc, NULL, retry_tx); if (retry_tx) { int i; @@ -1027,15 +959,80 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) } } - ieee80211_wake_queues(hw); + ath9k_ps_restore(sc); + + return r; +} + +void ath_reset_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, hw_reset_work); + + ath_reset(sc, true); +} + +void ath_hw_check(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + unsigned long flags; + int busy; - /* Start ANI */ - if (!common->disable_ani) - ath_start_ani(common); + ath9k_ps_wakeup(sc); + if (ath9k_hw_check_alive(sc->sc_ah)) + goto out; + + spin_lock_irqsave(&common->cc_lock, flags); + busy = ath_update_survey_stats(sc); + spin_unlock_irqrestore(&common->cc_lock, flags); + + ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " + "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); + if (busy >= 99) { + if (++sc->hw_busy_count >= 3) + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + } else if (busy >= 0) + sc->hw_busy_count = 0; + +out: ath9k_ps_restore(sc); +} - return r; +static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) +{ + static int count; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + + if (pll_sqsum >= 0x40000) { + count++; + if (count == 3) { + /* Rx is hung for more than 500ms. Reset it */ + ath_dbg(common, ATH_DBG_RESET, + "Possible RX hang, resetting"); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + count = 0; + } + } else + count = 0; +} + +void ath_hw_pll_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, + hw_pll_work.work); + u32 pll_sqsum; + + if (AR_SREV_9485(sc->sc_ah)) { + + ath9k_ps_wakeup(sc); + pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); + ath9k_ps_restore(sc); + + ath_hw_pll_rx_hang_check(sc, pll_sqsum); + + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); + } } /**********************/ @@ -1084,28 +1081,6 @@ static int ath9k_start(struct ieee80211_hw *hw) goto mutex_unlock; } - /* - * This is needed only to setup initial state - * but it's best done after a reset. - */ - ath9k_cmn_update_txpow(ah, sc->curtxpow, - sc->config.txpowlimit, &sc->curtxpow); - - /* - * Setup the hardware after reset: - * The receive engine is set going. - * Frame transmit is handled entirely - * in the frame output path; there's nothing to do - * here except setup the interrupt mask. - */ - if (ath_startrecv(sc) != 0) { - ath_err(common, "Unable to start recv logic\n"); - r = -EIO; - spin_unlock_bh(&sc->sc_pcu_lock); - goto mutex_unlock; - } - spin_unlock_bh(&sc->sc_pcu_lock); - /* Setup our intr mask. */ ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN | ATH9K_INT_FATAL | @@ -1128,12 +1103,14 @@ static int ath9k_start(struct ieee80211_hw *hw) /* Disable BMISS interrupt when we're not associated */ ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS); - ath9k_hw_set_interrupts(ah, ah->imask); - ath9k_hw_enable_interrupts(ah); - ieee80211_wake_queues(hw); + if (!ath_complete_reset(sc, false)) { + r = -EIO; + spin_unlock_bh(&sc->sc_pcu_lock); + goto mutex_unlock; + } - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); + spin_unlock_bh(&sc->sc_pcu_lock); if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && !ah->btcoex_hw.enabled) { @@ -1226,10 +1203,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) mutex_lock(&sc->mutex); - cancel_delayed_work_sync(&sc->tx_complete_work); - cancel_delayed_work_sync(&sc->hw_pll_work); - cancel_work_sync(&sc->paprd_work); - cancel_work_sync(&sc->hw_check_work); + ath_cancel_work(sc); if (sc->sc_flags & SC_OP_INVALID) { ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); @@ -2340,9 +2314,11 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop) ath9k_ps_wakeup(sc); spin_lock_bh(&sc->sc_pcu_lock); drain_txq = ath_drain_all_txq(sc, false); + spin_unlock_bh(&sc->sc_pcu_lock); + if (!drain_txq) ath_reset(sc, false); - spin_unlock_bh(&sc->sc_pcu_lock); + ath9k_ps_restore(sc); ieee80211_wake_queues(hw); @@ -2419,6 +2395,59 @@ static int ath9k_get_stats(struct ieee80211_hw *hw, return 0; } +static u32 fill_chainmask(u32 cap, u32 new) +{ + u32 filled = 0; + int i; + + for (i = 0; cap && new; i++, cap >>= 1) { + if (!(cap & BIT(0))) + continue; + + if (new & BIT(0)) + filled |= BIT(i); + + new >>= 1; + } + + return filled; +} + +static int ath9k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) +{ + struct ath_softc *sc = hw->priv; + struct ath_hw *ah = sc->sc_ah; + + if (!rx_ant || !tx_ant) + return -EINVAL; + + sc->ant_rx = rx_ant; + sc->ant_tx = tx_ant; + + if (ah->caps.rx_chainmask == 1) + return 0; + + /* AR9100 runs into calibration issues if not all rx chains are enabled */ + if (AR_SREV_9100(ah)) + ah->rxchainmask = 0x7; + else + ah->rxchainmask = fill_chainmask(ah->caps.rx_chainmask, rx_ant); + + ah->txchainmask = fill_chainmask(ah->caps.tx_chainmask, tx_ant); + ath9k_reload_chainmask_settings(sc); + + return 0; +} + +static int ath9k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) +{ + struct ath_softc *sc = hw->priv; + + *tx_ant = sc->ant_tx; + *rx_ant = sc->ant_rx; + return 0; +} + struct ieee80211_ops ath9k_ops = { .tx = ath9k_tx, .start = ath9k_start, @@ -2445,4 +2474,6 @@ struct ieee80211_ops ath9k_ops = { .tx_frames_pending = ath9k_tx_frames_pending, .tx_last_beacon = ath9k_tx_last_beacon, .get_stats = ath9k_get_stats, + .set_antenna = ath9k_set_antenna, + .get_antenna = ath9k_get_antenna, }; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 9c7f905f3871..8d3e19dfe7db 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1950,7 +1950,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) ath_rx_ps(sc, skb); spin_unlock_irqrestore(&sc->sc_pm_lock, flags); - if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) + if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx == 3) ath_ant_comb_scan(sc, &rs); ieee80211_rx(hw, skb); diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 29bcc55a6f9e..cb37047e71d2 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -582,7 +582,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, rcu_read_unlock(); if (needreset) - ath_reset(sc, false); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); } static bool ath_lookup_legacy(struct ath_buf *bf) @@ -1333,7 +1333,7 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq) struct ath_atx_ac *ac, *ac_tmp, *last_ac; struct ath_atx_tid *tid, *last_tid; - if (list_empty(&txq->axq_acq) || + if (work_pending(&sc->hw_reset_work) || list_empty(&txq->axq_acq) || txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) return; @@ -1634,7 +1634,7 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate) static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) { - struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ath_hw *ah = sc->sc_ah; struct ath9k_11n_rate_series series[4]; struct sk_buff *skb; struct ieee80211_tx_info *tx_info; @@ -1694,7 +1694,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) /* MCS rates */ series[i].Rate = rix | 0x80; series[i].ChSel = ath_txchainmask_reduction(sc, - common->tx_chainmask, series[i].Rate); + ah->txchainmask, series[i].Rate); series[i].PktDuration = ath_pkt_duration(sc, rix, len, is_40, is_sgi, is_sp); if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC)) @@ -1719,10 +1719,10 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) } if (bf->bf_state.bfs_paprd) - series[i].ChSel = common->tx_chainmask; + series[i].ChSel = ah->txchainmask; else series[i].ChSel = ath_txchainmask_reduction(sc, - common->tx_chainmask, series[i].Rate); + ah->txchainmask, series[i].Rate); series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah, phy, rate->bitrate * 100, len, rix, is_sp); @@ -2148,6 +2148,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) spin_lock_bh(&txq->axq_lock); for (;;) { + if (work_pending(&sc->hw_reset_work)) + break; + if (list_empty(&txq->axq_q)) { txq->axq_link = NULL; if (sc->sc_flags & SC_OP_TXAGGR) @@ -2235,9 +2238,7 @@ static void ath_tx_complete_poll_work(struct work_struct *work) if (needreset) { ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, "tx hung, resetting the chip\n"); - spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock_bh(&sc->sc_pcu_lock); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); } ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, @@ -2270,6 +2271,9 @@ void ath_tx_edma_tasklet(struct ath_softc *sc) int status; for (;;) { + if (work_pending(&sc->hw_reset_work)) + break; + status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts); if (status == -EINPROGRESS) break; diff --git a/drivers/net/wireless/b43/bus.c b/drivers/net/wireless/b43/bus.c index 05f6c7bff6ab..424692df239d 100644 --- a/drivers/net/wireless/b43/bus.c +++ b/drivers/net/wireless/b43/bus.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver Bus abstraction layer + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 6bca727456b6..24077023d484 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -7,6 +7,7 @@ Copyright (c) 2005-2009 Michael Buesch <[email protected]> Copyright (c) 2005 Danny van Dyk <[email protected]> Copyright (c) 2005 Andreas Jaggi <[email protected]> + Copyright (c) 2010-2011 RafaÅ‚ MiÅ‚ecki <[email protected]> SDIO support Copyright (c) 2009 Albert Herranz <[email protected]> @@ -64,6 +65,7 @@ MODULE_AUTHOR("Martin Langer"); MODULE_AUTHOR("Stefano Brivio"); MODULE_AUTHOR("Michael Buesch"); MODULE_AUTHOR("Gábor Stefanik"); +MODULE_AUTHOR("RafaÅ‚ MiÅ‚ecki"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE("b43/ucode11.fw"); diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 4d6345e8ee6b..7416c5e9154d 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n HT-PHY support + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/phy_lcn.c b/drivers/net/wireless/b43/phy_lcn.c index d0f106ed9f67..d1dfeec7bc28 100644 --- a/drivers/net/wireless/b43/phy_lcn.c +++ b/drivers/net/wireless/b43/phy_lcn.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n LCN-PHY support + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 2eadadf5f4fc..b17d9b6c33a5 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -4,6 +4,7 @@ IEEE 802.11n PHY support Copyright (c) 2008 Michael Buesch <[email protected]> + Copyright (c) 2010-2011 RafaÅ‚ MiÅ‚ecki <[email protected]> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -77,6 +78,7 @@ enum b43_nphy_rssi_type { B43_NPHY_RSSI_TBD, }; +/* TODO: reorder functions */ static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable); static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, @@ -87,6 +89,14 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off); static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field, u16 value, u8 core); +static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev); + +static inline bool b43_nphy_ipa(struct b43_wldev *dev) +{ + enum ieee80211_band band = b43_current_band(dev->wl); + return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) || + (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ)); +} void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna) {//TODO @@ -248,15 +258,25 @@ static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable) { struct b43_phy_n *nphy = dev->phy.n; u8 i; - u16 tmp; + u16 bmask, val, tmp; + enum ieee80211_band band = b43_current_band(dev->wl); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); nphy->txpwrctrl = enable; if (!enable) { - if (dev->phy.rev >= 3) - ; /* TODO */ + if (dev->phy.rev >= 3 && + (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) & + (B43_NPHY_TXPCTL_CMD_COEFF | + B43_NPHY_TXPCTL_CMD_HWPCTLEN | + B43_NPHY_TXPCTL_CMD_PCTLEN))) { + /* We disable enabled TX pwr ctl, save it's state */ + nphy->tx_pwr_idx[0] = b43_phy_read(dev, + B43_NPHY_C1_TXPCTL_STAT) & 0x7f; + nphy->tx_pwr_idx[1] = b43_phy_read(dev, + B43_NPHY_C2_TXPCTL_STAT) & 0x7f; + } b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840); for (i = 0; i < 84; i++) @@ -285,10 +305,67 @@ static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable) b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A); - if (dev->phy.rev < 2 && 0) - ; /* TODO */ + if (dev->phy.rev < 2 && dev->phy.is_40mhz) + b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW); } else { - b43err(dev->wl, "enabling tx pwr ctrl not implemented yet\n"); + b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, + nphy->adj_pwr_tbl); + b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, + nphy->adj_pwr_tbl); + + bmask = B43_NPHY_TXPCTL_CMD_COEFF | + B43_NPHY_TXPCTL_CMD_HWPCTLEN; + /* wl does useless check for "enable" param here */ + val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; + if (dev->phy.rev >= 3) { + bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN; + if (val) + val |= B43_NPHY_TXPCTL_CMD_PCTLEN; + } + b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val); + + if (band == IEEE80211_BAND_5GHZ) { + b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, + ~B43_NPHY_TXPCTL_CMD_INIT, 0x64); + if (dev->phy.rev > 1) + b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, + ~B43_NPHY_TXPCTL_INIT_PIDXI1, + 0x64); + } + + if (dev->phy.rev >= 3) { + if (nphy->tx_pwr_idx[0] != 128 && + nphy->tx_pwr_idx[1] != 128) { + /* Recover TX pwr ctl state */ + b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, + ~B43_NPHY_TXPCTL_CMD_INIT, + nphy->tx_pwr_idx[0]); + if (dev->phy.rev > 1) + b43_phy_maskset(dev, + B43_NPHY_TXPCTL_INIT, + ~0xff, nphy->tx_pwr_idx[1]); + } + } + + if (dev->phy.rev >= 3) { + b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100); + b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100); + } else { + b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000); + } + + if (dev->phy.rev == 2) + b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b); + else if (dev->phy.rev < 2) + b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40); + + if (dev->phy.rev < 2 && dev->phy.is_40mhz) + b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW); + + if (b43_nphy_ipa(dev)) { + b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4); + b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4); + } } if (nphy->hang_avoid) @@ -369,22 +446,23 @@ static void b43_nphy_tx_power_fix(struct b43_wldev *dev) else b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain); - b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D10 + i); - b43_phy_write(dev, B43_NPHY_TABLE_DATALO, radio_gain); - - b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57); - tmp = b43_phy_read(dev, B43_NPHY_TABLE_DATALO); + b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain); + tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57)); if (i == 0) tmp = (tmp & 0x00FF) | (bbmult << 8); else tmp = (tmp & 0xFF00) | bbmult; - - b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57); - b43_phy_write(dev, B43_NPHY_TABLE_DATALO, tmp); - - if (0) - ; /* TODO */ + b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp); + + if (b43_nphy_ipa(dev)) { + u32 tmp32; + u16 reg = (i == 0) ? + B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1; + tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i, txpi[i])); + b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4); + b43_phy_set(dev, reg, 0x4); + } } b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT); @@ -393,6 +471,57 @@ static void b43_nphy_tx_power_fix(struct b43_wldev *dev) b43_nphy_stay_in_carrier_search(dev, 0); } +static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + const u32 *table = NULL; +#if 0 + TODO: b43_ntab_papd_pga_gain_delta_ipa_2* + u32 rfpwr_offset; + u8 pga_gain; + int i; +#endif + + if (phy->rev >= 3) { + if (b43_nphy_ipa(dev)) { + table = b43_nphy_get_ipa_gain_table(dev); + } else { + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { + if (phy->rev == 3) + table = b43_ntab_tx_gain_rev3_5ghz; + if (phy->rev == 4) + table = b43_ntab_tx_gain_rev4_5ghz; + else + table = b43_ntab_tx_gain_rev5plus_5ghz; + } else { + table = b43_ntab_tx_gain_rev3plus_2ghz; + } + } + } else { + table = b43_ntab_tx_gain_rev0_1_2; + } + b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table); + b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table); + + if (phy->rev >= 3) { +#if 0 + nphy->gmval = (table[0] >> 16) & 0x7000; + + for (i = 0; i < 128; i++) { + pga_gain = (table[i] >> 24) & 0xF; + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain]; + else + rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_5g[pga_gain]; + b43_ntab_write(dev, B43_NTAB32(26, 576 + i), + rfpwr_offset); + b43_ntab_write(dev, B43_NTAB32(27, 576 + i), + rfpwr_offset); + } +#endif + } +} /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */ static void b43_radio_2055_setup(struct b43_wldev *dev, @@ -581,14 +710,10 @@ static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */ static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev) { - struct b43_phy_n *nphy = dev->phy.n; u16 tmp; - enum ieee80211_band band = b43_current_band(dev->wl); - bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) || - (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ); if (dev->phy.rev >= 3) { - if (ipa) { + if (b43_nphy_ipa(dev)) { tmp = 4; b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2, (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); @@ -899,11 +1024,7 @@ static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask) static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev) { u16 array[4]; - int i; - - b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50); - for (i = 0; i < 4; i++) - array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO); + b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]); @@ -1366,180 +1487,220 @@ static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev) } } -/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */ -static void b43_nphy_workarounds(struct b43_wldev *dev) +static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev) { + struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = dev->dev->bus_sprom; - struct b43_phy *phy = &dev->phy; - struct b43_phy_n *nphy = phy->n; - u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 }; - u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 }; - - u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 }; - u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 }; + /* TX to RX */ + u8 tx2rx_events[9] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F }; + u8 tx2rx_delays[9] = { 8, 4, 2, 2, 4, 4, 6, 1 }; + /* RX to TX */ + u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3, + 0x1F }; + u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 }; + u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F }; + u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 }; u16 tmp16; u32 tmp32; - if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) - b43_nphy_classifier(dev, 1, 0); - else - b43_nphy_classifier(dev, 1, 1); + tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); + tmp32 &= 0xffffff; + b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); + + b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125); + b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3); + b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105); + b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E); + b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD); + b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020); + + b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C); + b43_phy_write(dev, 0x2AE, 0x000C); + + /* TX to RX */ + b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays, 9); + + /* RX to TX */ + if (b43_nphy_ipa(dev)) + b43_nphy_set_rf_sequence(dev, 1, rx2tx_events_ipa, + rx2tx_delays_ipa, 9); + if (nphy->hw_phyrxchain != 3 && + nphy->hw_phyrxchain != nphy->hw_phytxchain) { + if (b43_nphy_ipa(dev)) { + rx2tx_delays[5] = 59; + rx2tx_delays[6] = 1; + rx2tx_events[7] = 0x1F; + } + b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays, 9); + } - if (nphy->hang_avoid) - b43_nphy_stay_in_carrier_search(dev, 1); + tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? + 0x2 : 0x9C40; + b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16); - b43_phy_set(dev, B43_NPHY_IQFLIP, - B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); + b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700); - if (dev->phy.rev >= 3) { - tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); - tmp32 &= 0xffffff; - b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); + b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D); + b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D); - b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125); - b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3); - b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105); - b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E); - b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD); - b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020); + b43_nphy_gain_ctrl_workarounds(dev); - b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C); - b43_phy_write(dev, 0x2AE, 0x000C); + b43_ntab_write(dev, B43_NTAB32(8, 0), 2); + b43_ntab_write(dev, B43_NTAB32(8, 16), 2); - /* TODO */ + /* TODO */ - tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? - 0x2 : 0x9C40; - b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00); + + /* N PHY WAR TX Chain Update with hw_phytxchain as argument */ + + if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR && + b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) || + (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && + b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) + tmp32 = 0x00088888; + else + tmp32 = 0x88888888; + b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32); + b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32); + b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32); + + if (dev->phy.rev == 4 && + b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { + b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC, + 0x70); + b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC, + 0x70); + } - b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700); + b43_phy_write(dev, 0x224, 0x039C); + b43_phy_write(dev, 0x225, 0x0357); + b43_phy_write(dev, 0x226, 0x0317); + b43_phy_write(dev, 0x227, 0x02D7); + b43_phy_write(dev, 0x228, 0x039C); + b43_phy_write(dev, 0x229, 0x0357); + b43_phy_write(dev, 0x22A, 0x0317); + b43_phy_write(dev, 0x22B, 0x02D7); + b43_phy_write(dev, 0x22C, 0x039C); + b43_phy_write(dev, 0x22D, 0x0357); + b43_phy_write(dev, 0x22E, 0x0317); + b43_phy_write(dev, 0x22F, 0x02D7); +} - b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D); - b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D); +static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev) +{ + struct ssb_sprom *sprom = dev->dev->bus_sprom; + struct b43_phy *phy = &dev->phy; + struct b43_phy_n *nphy = phy->n; - b43_nphy_gain_ctrl_workarounds(dev); + u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 }; + u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 }; - b43_ntab_write(dev, B43_NTAB32(8, 0), 2); - b43_ntab_write(dev, B43_NTAB32(8, 16), 2); + u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 }; + u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 }; - /* TODO */ + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ && + nphy->band5g_pwrgain) { + b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8); + b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8); + } else { + b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8); + b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8); + } - b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00); - b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00); - b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06); - b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06); - b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07); - b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07); - b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88); - b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88); - b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00); - b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00); - - /* N PHY WAR TX Chain Update with hw_phytxchain as argument */ - - if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR && - b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) || - (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && - b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) - tmp32 = 0x00088888; - else - tmp32 = 0x88888888; - b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32); - b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32); - b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32); - - if (dev->phy.rev == 4 && - b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { - b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC, - 0x70); - b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC, - 0x70); - } + b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A); + b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A); + b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA); + b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA); - b43_phy_write(dev, 0x224, 0x039C); - b43_phy_write(dev, 0x225, 0x0357); - b43_phy_write(dev, 0x226, 0x0317); - b43_phy_write(dev, 0x227, 0x02D7); - b43_phy_write(dev, 0x228, 0x039C); - b43_phy_write(dev, 0x229, 0x0357); - b43_phy_write(dev, 0x22A, 0x0317); - b43_phy_write(dev, 0x22B, 0x02D7); - b43_phy_write(dev, 0x22C, 0x039C); - b43_phy_write(dev, 0x22D, 0x0357); - b43_phy_write(dev, 0x22E, 0x0317); - b43_phy_write(dev, 0x22F, 0x02D7); - } else { - if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ && - nphy->band5g_pwrgain) { - b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8); - b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8); - } else { - b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8); - b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8); - } + if (dev->phy.rev < 2) { + b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000); + b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000); + b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB); + b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB); + b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800); + b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800); + } - b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A); - b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A); - b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA); - b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA); + b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); + b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); + b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); + b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); - if (dev->phy.rev < 2) { - b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000); - b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000); - b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB); - b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB); - b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800); - b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800); - } + if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD && + dev->dev->board_type == 0x8B) { + delays1[0] = 0x1; + delays1[5] = 0x14; + } + b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); + b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); - b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); - b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); - b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); - b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); + b43_nphy_gain_ctrl_workarounds(dev); - if (sprom->boardflags2_lo & 0x100 && - dev->dev->board_type == 0x8B) { - delays1[0] = 0x1; - delays1[5] = 0x14; - } - b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); - b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); + if (dev->phy.rev < 2) { + if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2) + b43_hf_write(dev, b43_hf_read(dev) | + B43_HF_MLADVW); + } else if (dev->phy.rev == 2) { + b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0); + b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0); + } - b43_nphy_gain_ctrl_workarounds(dev); + if (dev->phy.rev < 2) + b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL, + ~B43_NPHY_SCRAM_SIGCTL_SCM); + + /* Set phase track alpha and beta */ + b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125); + b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3); + b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105); + b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E); + b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD); + b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); + + b43_phy_mask(dev, B43_NPHY_PIL_DW1, + ~B43_NPHY_PIL_DW_64QAM & 0xFFFF); + b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5); + b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4); + b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00); + + if (dev->phy.rev == 2) + b43_phy_set(dev, B43_NPHY_FINERX2_CGC, + B43_NPHY_FINERX2_CGC_DECGC); +} - if (dev->phy.rev < 2) { - if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2) - b43_hf_write(dev, b43_hf_read(dev) | - B43_HF_MLADVW); - } else if (dev->phy.rev == 2) { - b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0); - b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0); - } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */ +static void b43_nphy_workarounds(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_n *nphy = phy->n; - if (dev->phy.rev < 2) - b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL, - ~B43_NPHY_SCRAM_SIGCTL_SCM); + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) + b43_nphy_classifier(dev, 1, 0); + else + b43_nphy_classifier(dev, 1, 1); - /* Set phase track alpha and beta */ - b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125); - b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3); - b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105); - b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E); - b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD); - b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); + if (nphy->hang_avoid) + b43_nphy_stay_in_carrier_search(dev, 1); - b43_phy_mask(dev, B43_NPHY_PIL_DW1, - ~B43_NPHY_PIL_DW_64QAM & 0xFFFF); - b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5); - b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4); - b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00); + b43_phy_set(dev, B43_NPHY_IQFLIP, + B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); - if (dev->phy.rev == 2) - b43_phy_set(dev, B43_NPHY_FINERX2_CGC, - B43_NPHY_FINERX2_CGC_DECGC); - } + if (dev->phy.rev >= 3) + b43_nphy_workarounds_rev3plus(dev); + else + b43_nphy_workarounds_rev1_2(dev); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); @@ -2135,7 +2296,6 @@ static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type) static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type) { - struct b43_phy_n *nphy = dev->phy.n; u8 i; u16 reg, val; @@ -2199,10 +2359,7 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type) enum ieee80211_band band = b43_current_band(dev->wl); - if ((nphy->ipa2g_on && - band == IEEE80211_BAND_2GHZ) || - (nphy->ipa5g_on && - band == IEEE80211_BAND_5GHZ)) + if (b43_nphy_ipa(dev)) val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE; else val = 0x11; @@ -2577,8 +2734,8 @@ static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { if (dev->phy.rev >= 6) { - /* TODO If the chip is 47162 - return txpwrctrl_tx_gain_ipa_rev5 */ + if (dev->dev->chip_id == 47162) + return txpwrctrl_tx_gain_ipa_rev5; return txpwrctrl_tx_gain_ipa_rev6; } else if (dev->phy.rev >= 5) { return txpwrctrl_tx_gain_ipa_rev5; @@ -2828,10 +2985,7 @@ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) enum ieee80211_band band = b43_current_band(dev->wl); - if ((nphy->ipa2g_on && - band == IEEE80211_BAND_2GHZ) || - (nphy->ipa5g_on && - band == IEEE80211_BAND_5GHZ)) { + if (b43_nphy_ipa(dev)) { table = b43_nphy_get_ipa_gain_table(dev); } else { if (band == IEEE80211_BAND_5GHZ) { @@ -3648,7 +3802,7 @@ int b43_phy_initn(struct b43_wldev *dev) b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20); b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20); - if (sprom->boardflags2_lo & 0x100 || + if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD || (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE && dev->dev->board_type == 0x8B)) b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0); @@ -3667,8 +3821,7 @@ int b43_phy_initn(struct b43_wldev *dev) } tmp2 = b43_current_band(dev->wl); - if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) || - (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) { + if (b43_nphy_ipa(dev)) { b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1); b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F, nphy->papd_epsilon_offset[0] << 7); @@ -3706,15 +3859,7 @@ int b43_phy_initn(struct b43_wldev *dev) b43_nphy_tx_power_fix(dev); /* TODO N PHY TX Power Control Idle TSSI */ /* TODO N PHY TX Power Control Setup */ - - if (phy->rev >= 3) { - /* TODO */ - } else { - b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, - b43_ntab_tx_gain_rev0_1_2); - b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, - b43_ntab_tx_gain_rev0_1_2); - } + b43_nphy_tx_gain_table_upload(dev); if (nphy->phyrxchain != 3) b43_nphy_set_rx_core_state(dev, nphy->phyrxchain); @@ -3918,6 +4063,10 @@ static void b43_nphy_op_prepare_structs(struct b43_wldev *dev) nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */ nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */ nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */ + /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is + * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */ + nphy->tx_pwr_idx[0] = 128; + nphy->tx_pwr_idx[1] = 128; } static void b43_nphy_op_free(struct b43_wldev *dev) diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h index e789a89f1047..fbf520285bd1 100644 --- a/drivers/net/wireless/b43/phy_n.h +++ b/drivers/net/wireless/b43/phy_n.h @@ -764,6 +764,8 @@ struct b43_phy_n { u8 cal_orig_pwr_idx[2]; u8 measure_hold; u8 phyrxchain; + u8 hw_phyrxchain; + u8 hw_phytxchain; u8 perical; u32 deaf_count; u32 rxcalparams; @@ -783,6 +785,8 @@ struct b43_phy_n { u16 mphase_txcal_bestcoeffs[11]; bool txpwrctrl; + u8 tx_pwr_idx[2]; + u16 adj_pwr_tbl[84]; u16 txcal_bbmult; u16 txiqlocal_bestc[11]; bool txiqlocal_coeffsvalid; diff --git a/drivers/net/wireless/b43/radio_2055.c b/drivers/net/wireless/b43/radio_2055.c index 93643f18c2b3..5289a18ddd8c 100644 --- a/drivers/net/wireless/b43/radio_2055.c +++ b/drivers/net/wireless/b43/radio_2055.c @@ -4,6 +4,7 @@ IEEE 802.11n PHY and radio device data tables Copyright (c) 2008 Michael Buesch <[email protected]> + Copyright (c) 2010 RafaÅ‚ MiÅ‚ecki <[email protected]> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/net/wireless/b43/radio_2056.c b/drivers/net/wireless/b43/radio_2056.c index 8890df067029..a01f776ca4de 100644 --- a/drivers/net/wireless/b43/radio_2056.c +++ b/drivers/net/wireless/b43/radio_2056.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n 2056 radio device data tables + Copyright (c) 2010 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/radio_2056.h b/drivers/net/wireless/b43/radio_2056.h index d52df6be705a..a7159d8578be 100644 --- a/drivers/net/wireless/b43/radio_2056.h +++ b/drivers/net/wireless/b43/radio_2056.h @@ -1,29 +1,3 @@ -/* - - Broadcom B43 wireless driver - - Copyright (c) 2010 RafaÅ‚ MiÅ‚ecki <[email protected]> - - Some parts of the code in this file are derived from the brcm80211 - driver Copyright (c) 2010 Broadcom Corporation - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - #ifndef B43_RADIO_2056_H_ #define B43_RADIO_2056_H_ diff --git a/drivers/net/wireless/b43/radio_2059.c b/drivers/net/wireless/b43/radio_2059.c index f029f6e1f5d1..d4ce8a12ff9a 100644 --- a/drivers/net/wireless/b43/radio_2059.c +++ b/drivers/net/wireless/b43/radio_2059.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n 2059 radio device data tables + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index 916f238a71df..7b326f2efdc9 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -4,6 +4,7 @@ IEEE 802.11n PHY data tables Copyright (c) 2008 Michael Buesch <[email protected]> + Copyright (c) 2010 RafaÅ‚ MiÅ‚ecki <[email protected]> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/net/wireless/b43/tables_phy_ht.c b/drivers/net/wireless/b43/tables_phy_ht.c index 677d217b5fb3..176c49d74ef4 100644 --- a/drivers/net/wireless/b43/tables_phy_ht.c +++ b/drivers/net/wireless/b43/tables_phy_ht.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n HT-PHY data tables + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or diff --git a/drivers/net/wireless/b43/tables_phy_lcn.c b/drivers/net/wireless/b43/tables_phy_lcn.c index 7bf70578b5c2..9d484e2f79bf 100644 --- a/drivers/net/wireless/b43/tables_phy_lcn.c +++ b/drivers/net/wireless/b43/tables_phy_lcn.c @@ -3,6 +3,8 @@ Broadcom B43 wireless driver IEEE 802.11n LCN-PHY data tables + Copyright (c) 2011 RafaÅ‚ MiÅ‚ecki <[email protected]> + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or @@ -25,6 +27,18 @@ #include "phy_common.h" #include "phy_lcn.h" +struct b43_lcntab_tx_gain_tbl_entry { + u8 gm; + u8 pga; + u8 pad; + u8 dac; + u8 bb_mult; +}; + +/************************************************** + * Static tables. + **************************************************/ + static const u16 b43_lcntab_0x02[] = { 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, 0x014d, @@ -295,6 +309,146 @@ static const u32 b43_lcntab_0x18[] = { 0x00080000, 0x00080000, 0x00080000, 0x00080000, }; +/************************************************** + * TX gain. + **************************************************/ + +const struct b43_lcntab_tx_gain_tbl_entry + b43_lcntab_tx_gain_tbl_2ghz_ext_pa_rev0[B43_LCNTAB_TX_GAIN_SIZE] = { + { 0x03, 0x00, 0x1f, 0x0, 0x48 }, + { 0x03, 0x00, 0x1f, 0x0, 0x46 }, + { 0x03, 0x00, 0x1f, 0x0, 0x44 }, + { 0x03, 0x00, 0x1e, 0x0, 0x43 }, + { 0x03, 0x00, 0x1d, 0x0, 0x44 }, + { 0x03, 0x00, 0x1c, 0x0, 0x44 }, + { 0x03, 0x00, 0x1b, 0x0, 0x45 }, + { 0x03, 0x00, 0x1a, 0x0, 0x46 }, + { 0x03, 0x00, 0x19, 0x0, 0x46 }, + { 0x03, 0x00, 0x18, 0x0, 0x47 }, + { 0x03, 0x00, 0x17, 0x0, 0x48 }, + { 0x03, 0x00, 0x17, 0x0, 0x46 }, + { 0x03, 0x00, 0x16, 0x0, 0x47 }, + { 0x03, 0x00, 0x15, 0x0, 0x48 }, + { 0x03, 0x00, 0x15, 0x0, 0x46 }, + { 0x03, 0x00, 0x15, 0x0, 0x44 }, + { 0x03, 0x00, 0x15, 0x0, 0x42 }, + { 0x03, 0x00, 0x15, 0x0, 0x40 }, + { 0x03, 0x00, 0x15, 0x0, 0x3f }, + { 0x03, 0x00, 0x14, 0x0, 0x40 }, + { 0x03, 0x00, 0x13, 0x0, 0x41 }, + { 0x03, 0x00, 0x13, 0x0, 0x40 }, + { 0x03, 0x00, 0x12, 0x0, 0x41 }, + { 0x03, 0x00, 0x12, 0x0, 0x40 }, + { 0x03, 0x00, 0x11, 0x0, 0x41 }, + { 0x03, 0x00, 0x11, 0x0, 0x40 }, + { 0x03, 0x00, 0x10, 0x0, 0x41 }, + { 0x03, 0x00, 0x10, 0x0, 0x40 }, + { 0x03, 0x00, 0x10, 0x0, 0x3e }, + { 0x03, 0x00, 0x10, 0x0, 0x3c }, + { 0x03, 0x00, 0x10, 0x0, 0x3a }, + { 0x03, 0x00, 0x0f, 0x0, 0x3d }, + { 0x03, 0x00, 0x0f, 0x0, 0x3b }, + { 0x03, 0x00, 0x0e, 0x0, 0x3d }, + { 0x03, 0x00, 0x0e, 0x0, 0x3c }, + { 0x03, 0x00, 0x0e, 0x0, 0x3a }, + { 0x03, 0x00, 0x0d, 0x0, 0x3c }, + { 0x03, 0x00, 0x0d, 0x0, 0x3b }, + { 0x03, 0x00, 0x0c, 0x0, 0x3e }, + { 0x03, 0x00, 0x0c, 0x0, 0x3c }, + { 0x03, 0x00, 0x0c, 0x0, 0x3a }, + { 0x03, 0x00, 0x0b, 0x0, 0x3e }, + { 0x03, 0x00, 0x0b, 0x0, 0x3c }, + { 0x03, 0x00, 0x0b, 0x0, 0x3b }, + { 0x03, 0x00, 0x0b, 0x0, 0x39 }, + { 0x03, 0x00, 0x0a, 0x0, 0x3d }, + { 0x03, 0x00, 0x0a, 0x0, 0x3b }, + { 0x03, 0x00, 0x0a, 0x0, 0x39 }, + { 0x03, 0x00, 0x09, 0x0, 0x3e }, + { 0x03, 0x00, 0x09, 0x0, 0x3c }, + { 0x03, 0x00, 0x09, 0x0, 0x3a }, + { 0x03, 0x00, 0x09, 0x0, 0x39 }, + { 0x03, 0x00, 0x08, 0x0, 0x3e }, + { 0x03, 0x00, 0x08, 0x0, 0x3c }, + { 0x03, 0x00, 0x08, 0x0, 0x3a }, + { 0x03, 0x00, 0x08, 0x0, 0x39 }, + { 0x03, 0x00, 0x08, 0x0, 0x37 }, + { 0x03, 0x00, 0x07, 0x0, 0x3d }, + { 0x03, 0x00, 0x07, 0x0, 0x3c }, + { 0x03, 0x00, 0x07, 0x0, 0x3a }, + { 0x03, 0x00, 0x07, 0x0, 0x38 }, + { 0x03, 0x00, 0x07, 0x0, 0x37 }, + { 0x03, 0x00, 0x06, 0x0, 0x3e }, + { 0x03, 0x00, 0x06, 0x0, 0x3c }, + { 0x03, 0x00, 0x06, 0x0, 0x3a }, + { 0x03, 0x00, 0x06, 0x0, 0x39 }, + { 0x03, 0x00, 0x06, 0x0, 0x37 }, + { 0x03, 0x00, 0x06, 0x0, 0x36 }, + { 0x03, 0x00, 0x06, 0x0, 0x34 }, + { 0x03, 0x00, 0x05, 0x0, 0x3d }, + { 0x03, 0x00, 0x05, 0x0, 0x3b }, + { 0x03, 0x00, 0x05, 0x0, 0x39 }, + { 0x03, 0x00, 0x05, 0x0, 0x38 }, + { 0x03, 0x00, 0x05, 0x0, 0x36 }, + { 0x03, 0x00, 0x05, 0x0, 0x35 }, + { 0x03, 0x00, 0x05, 0x0, 0x33 }, + { 0x03, 0x00, 0x04, 0x0, 0x3e }, + { 0x03, 0x00, 0x04, 0x0, 0x3c }, + { 0x03, 0x00, 0x04, 0x0, 0x3a }, + { 0x03, 0x00, 0x04, 0x0, 0x39 }, + { 0x03, 0x00, 0x04, 0x0, 0x37 }, + { 0x03, 0x00, 0x04, 0x0, 0x36 }, + { 0x03, 0x00, 0x04, 0x0, 0x34 }, + { 0x03, 0x00, 0x04, 0x0, 0x33 }, + { 0x03, 0x00, 0x04, 0x0, 0x31 }, + { 0x03, 0x00, 0x04, 0x0, 0x30 }, + { 0x03, 0x00, 0x04, 0x0, 0x2e }, + { 0x03, 0x00, 0x03, 0x0, 0x3c }, + { 0x03, 0x00, 0x03, 0x0, 0x3a }, + { 0x03, 0x00, 0x03, 0x0, 0x39 }, + { 0x03, 0x00, 0x03, 0x0, 0x37 }, + { 0x03, 0x00, 0x03, 0x0, 0x36 }, + { 0x03, 0x00, 0x03, 0x0, 0x34 }, + { 0x03, 0x00, 0x03, 0x0, 0x33 }, + { 0x03, 0x00, 0x03, 0x0, 0x31 }, + { 0x03, 0x00, 0x03, 0x0, 0x30 }, + { 0x03, 0x00, 0x03, 0x0, 0x2e }, + { 0x03, 0x00, 0x03, 0x0, 0x2d }, + { 0x03, 0x00, 0x03, 0x0, 0x2c }, + { 0x03, 0x00, 0x03, 0x0, 0x2b }, + { 0x03, 0x00, 0x03, 0x0, 0x29 }, + { 0x03, 0x00, 0x02, 0x0, 0x3d }, + { 0x03, 0x00, 0x02, 0x0, 0x3b }, + { 0x03, 0x00, 0x02, 0x0, 0x39 }, + { 0x03, 0x00, 0x02, 0x0, 0x38 }, + { 0x03, 0x00, 0x02, 0x0, 0x36 }, + { 0x03, 0x00, 0x02, 0x0, 0x35 }, + { 0x03, 0x00, 0x02, 0x0, 0x33 }, + { 0x03, 0x00, 0x02, 0x0, 0x32 }, + { 0x03, 0x00, 0x02, 0x0, 0x30 }, + { 0x03, 0x00, 0x02, 0x0, 0x2f }, + { 0x03, 0x00, 0x02, 0x0, 0x2e }, + { 0x03, 0x00, 0x02, 0x0, 0x2c }, + { 0x03, 0x00, 0x02, 0x0, 0x2b }, + { 0x03, 0x00, 0x02, 0x0, 0x2a }, + { 0x03, 0x00, 0x02, 0x0, 0x29 }, + { 0x03, 0x00, 0x02, 0x0, 0x27 }, + { 0x03, 0x00, 0x02, 0x0, 0x26 }, + { 0x03, 0x00, 0x02, 0x0, 0x25 }, + { 0x03, 0x00, 0x02, 0x0, 0x24 }, + { 0x03, 0x00, 0x02, 0x0, 0x23 }, + { 0x03, 0x00, 0x02, 0x0, 0x22 }, + { 0x03, 0x00, 0x02, 0x0, 0x21 }, + { 0x03, 0x00, 0x02, 0x0, 0x20 }, + { 0x03, 0x00, 0x01, 0x0, 0x3f }, + { 0x03, 0x00, 0x01, 0x0, 0x3d }, + { 0x03, 0x00, 0x01, 0x0, 0x3b }, + { 0x03, 0x00, 0x01, 0x0, 0x39 }, +}; + +/************************************************** + * SW control. + **************************************************/ + const u16 b43_lcntab_sw_ctl_4313_epa_rev0[] = { 0x0002, 0x0008, 0x0004, 0x0001, 0x0002, 0x0008, 0x0004, 0x0001, 0x0002, 0x0008, 0x0004, 0x0001, @@ -477,6 +631,32 @@ static void b43_phy_lcn_upload_static_tables(struct b43_wldev *dev) lcntab_upload(dev, B43_LCNTAB32(0x18, 0), b43_lcntab_0x18); } +void b43_phy_lcn_load_tx_gain_tab(struct b43_wldev *dev, + const struct b43_lcntab_tx_gain_tbl_entry *gain_table) +{ + u32 i; + u32 val; + + u16 pa_gain = 0x70; + if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM) + pa_gain = 0x10; + + for (i = 0; i < B43_LCNTAB_TX_GAIN_SIZE; i++) { + val = ((pa_gain << 24) | + (gain_table[i].pad << 16) | + (gain_table[i].pga << 8) | + gain_table[i].gm); + b43_lcntab_write(dev, B43_LCNTAB32(0x7, 0xc0 + i), val); + + /* brcmsmac doesn't maskset, we follow newer wl here */ + val = b43_lcntab_read(dev, B43_LCNTAB32(0x7, 0x140 + i)); + val &= 0x000fffff; + val |= ((gain_table[i].dac << 28) | + (gain_table[i].bb_mult << 20)); + b43_lcntab_write(dev, B43_LCNTAB32(0x7, 0x140 + i), val); + } +} + /* Not implemented in brcmsmac, noticed in wl in MMIO dump */ static void b43_phy_lcn_rewrite_tables(struct b43_wldev *dev) { @@ -497,13 +677,24 @@ static void b43_phy_lcn_clean_papd_comp_table(struct b43_wldev *dev) b43_lcntab_write(dev, B43_LCNTAB32(0x18, i), 0x80000); } +/* wlc_lcnphy_tbl_init */ void b43_phy_lcn_tables_init(struct b43_wldev *dev) { + struct ssb_sprom *sprom = dev->dev->bus_sprom; + b43_phy_lcn_upload_static_tables(dev); - /* TODO: various tables ops here */ - if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM && - !(dev->dev->bus_sprom->boardflags_hi & B43_BFH_FEM_BT)) + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + if (sprom->boardflags_lo & B43_BFL_EXTLNA) + b43_phy_lcn_load_tx_gain_tab(dev, + b43_lcntab_tx_gain_tbl_2ghz_ext_pa_rev0); + else + b43err(dev->wl, + "TX gain table unknown for this card\n"); + } + + if (sprom->boardflags_lo & B43_BFL_FEM && + !(sprom->boardflags_hi & B43_BFH_FEM_BT)) b43_lcntab_write_bulk(dev, B43_LCNTAB16(0xf, 0), ARRAY_SIZE(b43_lcntab_sw_ctl_4313_epa_rev0), b43_lcntab_sw_ctl_4313_epa_rev0); diff --git a/drivers/net/wireless/b43/tables_phy_lcn.h b/drivers/net/wireless/b43/tables_phy_lcn.h index b6471e89c36f..caff9db6831f 100644 --- a/drivers/net/wireless/b43/tables_phy_lcn.h +++ b/drivers/net/wireless/b43/tables_phy_lcn.h @@ -10,6 +10,8 @@ #define B43_LCNTAB16(table, offset) (((table) << 10) | (offset) | B43_LCNTAB_16BIT) #define B43_LCNTAB32(table, offset) (((table) << 10) | (offset) | B43_LCNTAB_32BIT) +#define B43_LCNTAB_TX_GAIN_SIZE 128 + u32 b43_lcntab_read(struct b43_wldev *dev, u32 offset); void b43_lcntab_read_bulk(struct b43_wldev *dev, u32 offset, unsigned int nr_elements, void *_data); diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index 764d3104e128..913f2a228527 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -285,6 +285,7 @@ struct iwl_cfg iwl2000_2bg_cfg = { struct iwl_cfg iwl2000_2bgn_d_cfg = { .name = "2000D Series 2x2 BGN", IWL_DEVICE_2000, + .ht_params = &iwl2000_ht_params, }; #define IWL_DEVICE_2030 \ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 7c036b9c2b30..13018872f776 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -659,7 +659,7 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control) IWL_SCD_BE_MSK | IWL_SCD_BK_MSK | IWL_SCD_MGMT_MSK; if ((flush_control & BIT(IWL_RXON_CTX_PAN)) && - (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))) + (priv->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS))) flush_cmd.fifo_control |= IWL_PAN_SCD_VO_MSK | IWL_PAN_SCD_VI_MSK | IWL_PAN_SCD_BE_MSK | IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK | diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 1af276739d87..00e6fc59e459 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -311,7 +311,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) int slot0 = 300, slot1 = 0; int ret; - if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS)) + if (priv->shrd->valid_contexts == BIT(IWL_RXON_CTX_BSS)) return 0; BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); @@ -456,7 +456,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) else ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK; - iwl_print_rx_config_cmd(priv, ctx); + iwl_print_rx_config_cmd(priv, ctx->ctxid); ret = iwl_check_rxon_cmd(priv, ctx); if (ret) { IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h index d118ed29bf3f..7282a23e8f1c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h @@ -117,7 +117,6 @@ struct iwl_tt_mgmt { u8 iwl_tt_current_power_mode(struct iwl_priv *priv); bool iwl_tt_is_low_power_state(struct iwl_priv *priv); bool iwl_ht_enabled(struct iwl_priv *priv); -bool iwl_check_for_ct_kill(struct iwl_priv *priv); enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv); enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv); void iwl_tt_enter_ct_kill(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index f8a4bcf0a34b..ba5c514c4a43 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -741,7 +741,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); - int cmd_index = SEQ_TO_INDEX(sequence); + int cmd_index __maybe_unused = SEQ_TO_INDEX(sequence); struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; struct ieee80211_hdr *hdr; u32 status = le16_to_cpu(tx_resp->status.status); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index ddb255a575df..ea31d7674df3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -114,7 +114,7 @@ static int iwlagn_load_section(struct iwl_priv *priv, const char *name, FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); IWL_DEBUG_FW(priv, "%s uCode section being loaded...\n", name); - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_interruptible_timeout(priv->shrd->wait_command_queue, priv->ucode_write_complete, 5 * HZ); if (ret == -ERESTARTSYS) { IWL_ERR(priv, "Could not load the %s uCode section due " @@ -349,6 +349,7 @@ int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) static int iwlagn_alive_notify(struct iwl_priv *priv) { + struct iwl_rxon_context *ctx; int ret; if (!priv->tx_cmd_pool) @@ -361,6 +362,8 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) return -ENOMEM; iwl_trans_tx_start(trans(priv)); + for_each_context(priv, ctx) + ctx->last_tx_rejected = false; ret = iwlagn_send_wimax_coex(priv); if (ret) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 8113fbe770a3..7f6c58ebbc44 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -623,9 +623,9 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) * The default context is always valid, * the PAN context depends on uCode. */ - priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); + priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) - priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); + priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); for (i = 0; i < NUM_IWL_RXON_CTX; i++) priv->contexts[i].ctxid = i; @@ -2880,7 +2880,7 @@ static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; int err = 0; - if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) @@ -2945,7 +2945,7 @@ static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; - if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) + if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; mutex_lock(&priv->shrd->mutex); @@ -3032,7 +3032,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) { priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); - init_waitqueue_head(&priv->wait_command_queue); + init_waitqueue_head(&priv->shrd->wait_command_queue); INIT_WORK(&priv->restart, iwl_bg_restart); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index a7b4948e43da..4bc1f4669e5a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -98,7 +98,6 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, enum iwlagn_ucode_type ucode_type); /* lib */ -int iwlagn_hw_valid_rtc_data_addr(u32 addr); int iwlagn_send_tx_power(struct iwl_priv *priv); void iwlagn_temperature(struct iwl_priv *priv); u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv); @@ -109,7 +108,6 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv); /* rx */ int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); void iwl_setup_rx_handlers(struct iwl_priv *priv); -void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); /* tx */ diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index cb06196e0e80..82bfef4730d5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -3213,12 +3213,7 @@ enum iwl_ucode_calib_cfg { IWL_CALIB_CFG_LO_IDX | \ IWL_CALIB_CFG_TX_IQ_IDX | \ IWL_CALIB_CFG_RX_IQ_IDX | \ - IWL_CALIB_CFG_NOISE_IDX | \ - IWL_CALIB_CFG_CRYSTAL_IDX | \ - IWL_CALIB_CFG_TEMPERATURE_IDX | \ - IWL_CALIB_CFG_PAPD_IDX | \ - IWL_CALIB_CFG_SENSITIVITY_IDX | \ - IWL_CALIB_CFG_TX_PWR_IDX) + IWL_CALIB_CFG_CRYSTAL_IDX) #define IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK cpu_to_le32(BIT(0)) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 72b9203c06e2..9270f990b2dd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -817,9 +817,9 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) } #ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) +void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid) { + struct iwl_rxon_context *ctx = &priv->contexts[ctxid]; struct iwl_rxon_cmd *rxon = &ctx->staging; IWL_DEBUG_RADIO(priv, "RX CONFIG:\n"); @@ -868,7 +868,7 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) * commands by clearing the ready bit */ clear_bit(STATUS_READY, &priv->shrd->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&priv->shrd->wait_command_queue); if (!ondemand) { /* @@ -1865,3 +1865,14 @@ void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv, ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); } + +void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state) +{ + wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); +} + +void iwl_nic_config(struct iwl_priv *priv) +{ + priv->cfg->lib->nic_config(priv); + +} diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 2ea8a2e0dfbc..56b554c43fde 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -73,8 +73,6 @@ struct iwl_cmd; #define TIME_UNIT 1024 -#define IWL_CMD(x) case x: return #x - struct iwl_lib_ops { /* set hw dependent parameters */ int (*set_hw_params)(struct iwl_priv *priv); @@ -271,7 +269,6 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw, #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_alloc_traffic_mem(struct iwl_priv *priv); void iwl_free_traffic_mem(struct iwl_priv *priv); -void iwl_reset_traffic_log(struct iwl_priv *priv); void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, u16 length, struct ieee80211_hdr *header); void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, @@ -360,7 +357,6 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, * S e n d i n g H o s t C o m m a n d s * *****************************************************/ -const char *get_cmd_string(u8 cmd); void iwl_bg_watchdog(unsigned long data); u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval); __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, @@ -368,19 +364,6 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, /***************************************************** -* Error Handling Debugging -******************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx); -#else -static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ -} -#endif - -/***************************************************** * GEOS ******************************************************/ int iwl_init_geos(struct iwl_priv *priv); @@ -389,8 +372,6 @@ void iwl_free_geos(struct iwl_priv *priv); extern void iwl_send_bt_config(struct iwl_priv *priv); extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear); -void iwl_apm_stop(struct iwl_priv *priv); -int iwl_apm_init(struct iwl_priv *priv); int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -408,7 +389,4 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) extern bool bt_siso_mode; - -void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); - #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index d6dbb0423045..b9f3267e720c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -439,4 +439,22 @@ */ #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) +/********************************************************** + * CSR values + **********************************************************/ + /* + * host interrupt timeout value + * used with setting interrupt coalescing timer + * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit + * + * default interrupt coalescing timer is 64 x 32 = 2048 usecs + * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs + */ +#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) +#define IWL_HOST_INT_TIMEOUT_DEF (0x40) +#define IWL_HOST_INT_TIMEOUT_MIN (0x0) +#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) +#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) +#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) + #endif /* !__iwl_csr_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index e320cc10167e..d0c63cfee15c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -804,6 +804,89 @@ DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); DEBUGFS_READ_FILE_OPS(current_sleep_command); +static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + int pos = 0, ofs = 0; + int cnt = 0, entry; + + char *buf; + int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + + (hw_params(priv).max_txq_num * 32 * 8) + 400; + const u8 *ptr; + ssize_t ret; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) { + IWL_ERR(priv, "Can not allocate buffer\n"); + return -ENOMEM; + } + if (priv->tx_traffic && + (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) { + ptr = priv->tx_traffic; + pos += scnprintf(buf + pos, bufsz - pos, + "Tx Traffic idx: %u\n", priv->tx_traffic_idx); + for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { + for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; + entry++, ofs += 16) { + pos += scnprintf(buf + pos, bufsz - pos, + "0x%.4x ", ofs); + hex_dump_to_buffer(ptr + ofs, 16, 16, 2, + buf + pos, bufsz - pos, 0); + pos += strlen(buf + pos); + if (bufsz - pos > 0) + buf[pos++] = '\n'; + } + } + } + + if (priv->rx_traffic && + (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) { + ptr = priv->rx_traffic; + pos += scnprintf(buf + pos, bufsz - pos, + "Rx Traffic idx: %u\n", priv->rx_traffic_idx); + for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { + for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; + entry++, ofs += 16) { + pos += scnprintf(buf + pos, bufsz - pos, + "0x%.4x ", ofs); + hex_dump_to_buffer(ptr + ofs, 16, 16, 2, + buf + pos, bufsz - pos, 0); + pos += strlen(buf + pos); + if (bufsz - pos > 0) + buf[pos++] = '\n'; + } + } + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} + +static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int traffic_log; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &traffic_log) != 1) + return -EFAULT; + if (traffic_log == 0) + iwl_reset_traffic_log(priv); + + return count; +} + static const char *fmt_value = " %-30s %10u\n"; static const char *fmt_hex = " %-30s 0x%02X\n"; static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; @@ -2340,6 +2423,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); +DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); DEBUGFS_READ_FILE_OPS(ucode_rx_stats); DEBUGFS_READ_FILE_OPS(ucode_tx_stats); DEBUGFS_READ_FILE_OPS(ucode_general_stats); @@ -2400,6 +2484,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); + DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 1e54293532b0..8438a33e17ee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -32,7 +32,6 @@ #define __iwl_dev_h__ #include <linux/interrupt.h> -#include <linux/pci.h> /* for struct pci_device_id */ #include <linux/kernel.h> #include <linux/wait.h> #include <linux/leds.h> @@ -89,100 +88,6 @@ struct iwl_tx_queue; #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U -/* defined below */ -struct iwl_device_cmd; - -struct iwl_cmd_meta { - /* only for SYNC commands, iff the reply skb is wanted */ - struct iwl_host_cmd *source; - /* - * only for ASYNC commands - * (which is somewhat stupid -- look at iwl-sta.c for instance - * which duplicates a bunch of code because the callback isn't - * invoked for SYNC commands, if it were and its result passed - * through it would be simpler...) - */ - void (*callback)(struct iwl_priv *priv, - struct iwl_device_cmd *cmd, - struct iwl_rx_packet *pkt); - - u32 flags; - - DEFINE_DMA_UNMAP_ADDR(mapping); - DEFINE_DMA_UNMAP_LEN(len); -}; - -/* - * Generic queue structure - * - * Contains common data for Rx and Tx queues. - * - * Note the difference between n_bd and n_window: the hardware - * always assumes 256 descriptors, so n_bd is always 256 (unless - * there might be HW changes in the future). For the normal TX - * queues, n_window, which is the size of the software queue data - * is also 256; however, for the command queue, n_window is only - * 32 since we don't need so many commands pending. Since the HW - * still uses 256 BDs for DMA though, n_bd stays 256. As a result, - * the software buffers (in the variables @meta, @txb in struct - * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds - * in the same struct) have 256. - * This means that we end up with the following: - * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | - * SW entries: | 0 | ... | 31 | - * where N is a number between 0 and 7. This means that the SW - * data is a window overlayed over the HW queue. - */ -struct iwl_queue { - int n_bd; /* number of BDs in this queue */ - int write_ptr; /* 1-st empty entry (index) host_w*/ - int read_ptr; /* last used entry (index) host_r*/ - /* use for monitoring and recovering the stuck queue */ - dma_addr_t dma_addr; /* physical addr for BD's */ - int n_window; /* safe queue window */ - u32 id; - int low_mark; /* low watermark, resume queue if free - * space more than this */ - int high_mark; /* high watermark, stop queue if free - * space less than this */ -}; - -/** - * struct iwl_tx_queue - Tx Queue for DMA - * @q: generic Rx/Tx queue descriptor - * @bd: base of circular buffer of TFDs - * @cmd: array of command/TX buffer pointers - * @meta: array of meta data for each command/tx buffer - * @dma_addr_cmd: physical address of cmd/tx buffer array - * @txb: array of per-TFD driver data - * @time_stamp: time (in jiffies) of last read_ptr change - * @need_update: indicates need to update read/write index - * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled - * @sta_id: valid if sched_retry is set - * @tid: valid if sched_retry is set - * - * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame - * descriptors) and required locking structures. - */ -#define TFD_TX_CMD_SLOTS 256 -#define TFD_CMD_SLOTS 32 - -struct iwl_tx_queue { - struct iwl_queue q; - struct iwl_tfd *tfds; - struct iwl_device_cmd **cmd; - struct iwl_cmd_meta *meta; - struct sk_buff **skbs; - unsigned long time_stamp; - u8 need_update; - u8 sched_retry; - u8 active; - u8 swq_id; - - u16 sta_id; - u16 tid; -}; - #define IWL_NUM_SCAN_RATES (2) /* @@ -212,21 +117,6 @@ struct iwl_channel_info { u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ }; -#define IWL_TX_FIFO_BK 0 /* shared */ -#define IWL_TX_FIFO_BE 1 -#define IWL_TX_FIFO_VI 2 /* shared */ -#define IWL_TX_FIFO_VO 3 -#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK -#define IWL_TX_FIFO_BE_IPAN 4 -#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI -#define IWL_TX_FIFO_VO_IPAN 5 -/* re-uses the VO FIFO, uCode will properly flush/schedule */ -#define IWL_TX_FIFO_AUX 5 -#define IWL_TX_FIFO_UNUSED -1 - -/* AUX (TX during scan dwell) queue */ -#define IWL_AUX_QUEUE 10 - /* * Minimum number of queues. MAX_NUM is defined in hw specific files. * Set the minimum to accommodate @@ -249,70 +139,6 @@ struct iwl_channel_info { #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) - -#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) -#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) -#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) - -enum { - CMD_SYNC = 0, - CMD_ASYNC = BIT(0), - CMD_WANT_SKB = BIT(1), - CMD_ON_DEMAND = BIT(2), -}; - -#define DEF_CMD_PAYLOAD_SIZE 320 - -/** - * struct iwl_device_cmd - * - * For allocation of the command and tx queues, this establishes the overall - * size of the largest command we send to uCode, except for commands that - * aren't fully copied and use other TFD space. - */ -struct iwl_device_cmd { - struct iwl_cmd_header hdr; /* uCode API */ - union { - u32 flags; - u8 val8; - u16 val16; - u32 val32; - struct iwl_tx_cmd tx; - struct iwl6000_channel_switch_cmd chswitch; - u8 payload[DEF_CMD_PAYLOAD_SIZE]; - } __packed cmd; -} __packed; - -#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) - -#define IWL_MAX_CMD_TFDS 2 - -enum iwl_hcmd_dataflag { - IWL_HCMD_DFL_NOCOPY = BIT(0), -}; - -/** - * struct iwl_host_cmd - Host command to the uCode - * @data: array of chunks that composes the data of the host command - * @reply_page: pointer to the page that holds the response to the host command - * @callback: - * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC - * @len: array of the lenths of the chunks in data - * @dataflags: - * @id: id of the host command - */ -struct iwl_host_cmd { - const void *data[IWL_MAX_CMD_TFDS]; - unsigned long reply_page; - void (*callback)(struct iwl_priv *priv, - struct iwl_device_cmd *cmd, - struct iwl_rx_packet *pkt); - u32 flags; - u16 len[IWL_MAX_CMD_TFDS]; - u8 dataflags[IWL_MAX_CMD_TFDS]; - u8 id; -}; - #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 @@ -580,9 +406,6 @@ extern const u8 iwl_bcast_addr[ETH_ALEN]; #define IWL_OPERATION_MODE_MIXED 2 #define IWL_OPERATION_MODE_20MHZ 3 -#define IWL_TX_CRC_SIZE 4 -#define IWL_TX_DELIMITER_SIZE 4 - #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 /* Sensitivity and chain noise calibration */ @@ -706,9 +529,6 @@ struct iwl_chain_noise_data { #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ -#define IWL_TRAFFIC_ENTRIES (256) -#define IWL_TRAFFIC_ENTRY_SIZE (64) - enum { MEASUREMENT_READY = (1 << 0), MEASUREMENT_ACTIVE = (1 << 1), @@ -850,21 +670,6 @@ struct iwl_event_log { }; /* - * host interrupt timeout value - * used with setting interrupt coalescing timer - * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit - * - * default interrupt coalescing timer is 64 x 32 = 2048 usecs - * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs - */ -#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_TIMEOUT_DEF (0x40) -#define IWL_HOST_INT_TIMEOUT_MIN (0x0) -#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) -#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) - -/* * This is the threshold value of plcp error rate per 100mSecs. It is * used to set and check for the validity of plcp_delta. */ @@ -1095,9 +900,6 @@ struct iwl_priv { /*TODO: remove these pointers - use bus(priv) instead */ struct iwl_bus *bus; /* bus specific data */ - /* microcode/device supports multiple contexts */ - u8 valid_contexts; - /* max number of station keys */ u8 sta_key_max_num; @@ -1142,8 +944,6 @@ struct iwl_priv { /* Rate scaling data */ u8 retry_rate; - wait_queue_head_t wait_command_queue; - int activity_timer_active; /* counts mgmt, ctl, and data packets */ @@ -1327,7 +1127,7 @@ iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) #define for_each_context(priv, ctx) \ for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ - if (priv->valid_contexts & BIT(ctx->ctxid)) + if (priv->shrd->valid_contexts & BIT(ctx->ctxid)) static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) { diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index d3feac9e45b4..968fc66e3506 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -35,35 +35,12 @@ #include "iwl-io.h" -#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) - - static inline struct ieee80211_conf *ieee80211_get_hw_conf( struct ieee80211_hw *hw) { return &hw->conf; } -/** - * iwl_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl_queue_dec_wrap - decrement queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} - static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) { IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index e41f53e5c307..78a3f8dfe680 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -483,9 +483,13 @@ out_no_pci: return err; } -static void iwl_pci_down(struct iwl_bus *bus) +static void __devexit iwl_pci_remove(struct pci_dev *pdev) { - struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus->bus_specific; + struct iwl_shared *shrd = pci_get_drvdata(pdev); + struct iwl_bus *bus = shrd->bus; + struct iwl_pci_bus *pci_bus = IWL_BUS_GET_PCI_BUS(bus); + + iwl_remove(shrd->priv); pci_disable_msi(pci_bus->pci_dev); pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base); @@ -496,16 +500,6 @@ static void iwl_pci_down(struct iwl_bus *bus) kfree(bus); } -static void __devexit iwl_pci_remove(struct pci_dev *pdev) -{ - struct iwl_shared *shrd = pci_get_drvdata(pdev); - struct iwl_bus *bus = shrd->bus; - - iwl_remove(shrd->priv); - - iwl_pci_down(bus); -} - #ifdef CONFIG_PM_SLEEP static int iwl_pci_suspend(struct device *device) diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 8572548dd4a2..c7e6a746c3ea 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -42,6 +42,87 @@ #include "iwl-agn.h" #include "iwl-shared.h" +const char *get_cmd_string(u8 cmd) +{ + switch (cmd) { + IWL_CMD(REPLY_ALIVE); + IWL_CMD(REPLY_ERROR); + IWL_CMD(REPLY_RXON); + IWL_CMD(REPLY_RXON_ASSOC); + IWL_CMD(REPLY_QOS_PARAM); + IWL_CMD(REPLY_RXON_TIMING); + IWL_CMD(REPLY_ADD_STA); + IWL_CMD(REPLY_REMOVE_STA); + IWL_CMD(REPLY_REMOVE_ALL_STA); + IWL_CMD(REPLY_TXFIFO_FLUSH); + IWL_CMD(REPLY_WEPKEY); + IWL_CMD(REPLY_TX); + IWL_CMD(REPLY_LEDS_CMD); + IWL_CMD(REPLY_TX_LINK_QUALITY_CMD); + IWL_CMD(COEX_PRIORITY_TABLE_CMD); + IWL_CMD(COEX_MEDIUM_NOTIFICATION); + IWL_CMD(COEX_EVENT_CMD); + IWL_CMD(REPLY_QUIET_CMD); + IWL_CMD(REPLY_CHANNEL_SWITCH); + IWL_CMD(CHANNEL_SWITCH_NOTIFICATION); + IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD); + IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION); + IWL_CMD(POWER_TABLE_CMD); + IWL_CMD(PM_SLEEP_NOTIFICATION); + IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC); + IWL_CMD(REPLY_SCAN_CMD); + IWL_CMD(REPLY_SCAN_ABORT_CMD); + IWL_CMD(SCAN_START_NOTIFICATION); + IWL_CMD(SCAN_RESULTS_NOTIFICATION); + IWL_CMD(SCAN_COMPLETE_NOTIFICATION); + IWL_CMD(BEACON_NOTIFICATION); + IWL_CMD(REPLY_TX_BEACON); + IWL_CMD(WHO_IS_AWAKE_NOTIFICATION); + IWL_CMD(QUIET_NOTIFICATION); + IWL_CMD(REPLY_TX_PWR_TABLE_CMD); + IWL_CMD(MEASURE_ABORT_NOTIFICATION); + IWL_CMD(REPLY_BT_CONFIG); + IWL_CMD(REPLY_STATISTICS_CMD); + IWL_CMD(STATISTICS_NOTIFICATION); + IWL_CMD(REPLY_CARD_STATE_CMD); + IWL_CMD(CARD_STATE_NOTIFICATION); + IWL_CMD(MISSED_BEACONS_NOTIFICATION); + IWL_CMD(REPLY_CT_KILL_CONFIG_CMD); + IWL_CMD(SENSITIVITY_CMD); + IWL_CMD(REPLY_PHY_CALIBRATION_CMD); + IWL_CMD(REPLY_RX_PHY_CMD); + IWL_CMD(REPLY_RX_MPDU_CMD); + IWL_CMD(REPLY_RX); + IWL_CMD(REPLY_COMPRESSED_BA); + IWL_CMD(CALIBRATION_CFG_CMD); + IWL_CMD(CALIBRATION_RES_NOTIFICATION); + IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION); + IWL_CMD(REPLY_TX_POWER_DBM_CMD); + IWL_CMD(TEMPERATURE_NOTIFICATION); + IWL_CMD(TX_ANT_CONFIGURATION_CMD); + IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF); + IWL_CMD(REPLY_BT_COEX_PRIO_TABLE); + IWL_CMD(REPLY_BT_COEX_PROT_ENV); + IWL_CMD(REPLY_WIPAN_PARAMS); + IWL_CMD(REPLY_WIPAN_RXON); + IWL_CMD(REPLY_WIPAN_RXON_TIMING); + IWL_CMD(REPLY_WIPAN_RXON_ASSOC); + IWL_CMD(REPLY_WIPAN_QOS_PARAM); + IWL_CMD(REPLY_WIPAN_WEPKEY); + IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH); + IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION); + IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE); + IWL_CMD(REPLY_WOWLAN_PATTERNS); + IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER); + IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS); + IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS); + IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL); + IWL_CMD(REPLY_WOWLAN_GET_STATUS); + default: + return "UNKNOWN"; + + } +} /****************************************************************************** * @@ -563,7 +644,7 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&priv->shrd->wait_command_queue); } static void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index 8b8cd54a32e0..d987bee5e6ce 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -67,6 +67,7 @@ #include <linux/spinlock.h> #include <linux/mutex.h> #include <linux/gfp.h> +#include <linux/mm.h> /* for page_address */ #include <net/mac80211.h> #include "iwl-commands.h" @@ -212,6 +213,7 @@ struct iwl_tid_data { * @ucode_owner: IWL_OWNERSHIP_* * @cmd_queue: command queue number * @status: STATUS_* + * @valid_contexts: microcode/device supports multiple contexts * @bus: pointer to the bus layer data * @priv: pointer to the upper layer data * @hw_params: see struct iwl_hw_params @@ -232,6 +234,7 @@ struct iwl_shared { u8 cmd_queue; unsigned long status; bool wowlan; + u8 valid_contexts; struct iwl_bus *bus; struct iwl_priv *priv; @@ -250,6 +253,8 @@ struct iwl_shared { struct ieee80211_hw *hw; struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; + + wait_queue_head_t wait_command_queue; }; /*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */ @@ -285,6 +290,26 @@ static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page) free_pages(page, shrd->hw_params.rx_page_order); } +/** + * iwl_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_inc_wrap(int index, int n_bd) +{ + return ++index & (n_bd - 1); +} + +/** + * iwl_queue_dec_wrap - decrement queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_dec_wrap(int index, int n_bd) +{ + return --index & (n_bd - 1); +} + struct iwl_rx_mem_buffer { dma_addr_t page_dma; struct page *page; @@ -355,12 +380,39 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, struct iwl_cfg *cfg); void __devexit iwl_remove(struct iwl_priv * priv); +void iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); +int iwlagn_hw_valid_rtc_data_addr(u32 addr); void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv, enum iwl_rxon_context_id ctx, u8 sta_id, u8 tid); void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv, enum iwl_rxon_context_id ctx, u8 sta_id, u8 tid); +void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state); +void iwl_nic_config(struct iwl_priv *priv); +void iwl_apm_stop(struct iwl_priv *priv); +int iwl_apm_init(struct iwl_priv *priv); +void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); +const char *get_cmd_string(u8 cmd); +bool iwl_check_for_ct_kill(struct iwl_priv *priv); + +#ifdef CONFIG_IWLWIFI_DEBUGFS +void iwl_reset_traffic_log(struct iwl_priv *priv); +#endif /* CONFIG_IWLWIFI_DEBUGFS */ + +#ifdef CONFIG_IWLWIFI_DEBUG +void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid); +#else +static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, u8 ctxid) +{ +} +#endif + +#define IWL_CMD(x) case x: return #x +#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) + +#define IWL_TRAFFIC_ENTRIES (256) +#define IWL_TRAFFIC_ENTRY_SIZE (64) /***************************************************** * DRIVER STATUS FUNCTIONS diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 26b2bd4db6b4..e24135e7d37d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -123,14 +123,14 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, return ret; } -static void iwl_add_sta_callback(struct iwl_priv *priv, +static void iwl_add_sta_callback(struct iwl_shared *shrd, struct iwl_device_cmd *cmd, struct iwl_rx_packet *pkt) { struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)cmd->cmd.payload; - iwl_process_add_sta_resp(priv, addsta, pkt, false); + iwl_process_add_sta_resp(shrd->priv, addsta, pkt, false); } diff --git a/drivers/net/wireless/iwlwifi/iwl-sv-open.c b/drivers/net/wireless/iwlwifi/iwl-sv-open.c index 848fc18befc2..3335d31daf89 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sv-open.c +++ b/drivers/net/wireless/iwlwifi/iwl-sv-open.c @@ -63,6 +63,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/dma-mapping.h> #include <net/net_namespace.h> #include <linux/netdevice.h> #include <net/cfg80211.h> diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h index ec4e73737681..8047e955a27b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h @@ -32,6 +32,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/skbuff.h> +#include <linux/pci.h> #include "iwl-fh.h" #include "iwl-csr.h" @@ -114,6 +115,97 @@ struct iwl_dma_ptr { */ #define IWL_IPAN_MCAST_QUEUE 8 +struct iwl_cmd_meta { + /* only for SYNC commands, iff the reply skb is wanted */ + struct iwl_host_cmd *source; + /* + * only for ASYNC commands + * (which is somewhat stupid -- look at iwl-sta.c for instance + * which duplicates a bunch of code because the callback isn't + * invoked for SYNC commands, if it were and its result passed + * through it would be simpler...) + */ + void (*callback)(struct iwl_shared *shrd, + struct iwl_device_cmd *cmd, + struct iwl_rx_packet *pkt); + + u32 flags; + + DEFINE_DMA_UNMAP_ADDR(mapping); + DEFINE_DMA_UNMAP_LEN(len); +}; + +/* + * Generic queue structure + * + * Contains common data for Rx and Tx queues. + * + * Note the difference between n_bd and n_window: the hardware + * always assumes 256 descriptors, so n_bd is always 256 (unless + * there might be HW changes in the future). For the normal TX + * queues, n_window, which is the size of the software queue data + * is also 256; however, for the command queue, n_window is only + * 32 since we don't need so many commands pending. Since the HW + * still uses 256 BDs for DMA though, n_bd stays 256. As a result, + * the software buffers (in the variables @meta, @txb in struct + * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds + * in the same struct) have 256. + * This means that we end up with the following: + * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | + * SW entries: | 0 | ... | 31 | + * where N is a number between 0 and 7. This means that the SW + * data is a window overlayed over the HW queue. + */ +struct iwl_queue { + int n_bd; /* number of BDs in this queue */ + int write_ptr; /* 1-st empty entry (index) host_w*/ + int read_ptr; /* last used entry (index) host_r*/ + /* use for monitoring and recovering the stuck queue */ + dma_addr_t dma_addr; /* physical addr for BD's */ + int n_window; /* safe queue window */ + u32 id; + int low_mark; /* low watermark, resume queue if free + * space more than this */ + int high_mark; /* high watermark, stop queue if free + * space less than this */ +}; + +/** + * struct iwl_tx_queue - Tx Queue for DMA + * @q: generic Rx/Tx queue descriptor + * @bd: base of circular buffer of TFDs + * @cmd: array of command/TX buffer pointers + * @meta: array of meta data for each command/tx buffer + * @dma_addr_cmd: physical address of cmd/tx buffer array + * @txb: array of per-TFD driver data + * @time_stamp: time (in jiffies) of last read_ptr change + * @need_update: indicates need to update read/write index + * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled + * @sta_id: valid if sched_retry is set + * @tid: valid if sched_retry is set + * + * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame + * descriptors) and required locking structures. + */ +#define TFD_TX_CMD_SLOTS 256 +#define TFD_CMD_SLOTS 32 + +struct iwl_tx_queue { + struct iwl_queue q; + struct iwl_tfd *tfds; + struct iwl_device_cmd **cmd; + struct iwl_cmd_meta *meta; + struct sk_buff **skbs; + unsigned long time_stamp; + u8 need_update; + u8 sched_retry; + u8 active; + u8 swq_id; + + u16 sta_id; + u16 tid; +}; + /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data @@ -195,7 +287,8 @@ int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id); int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); int __must_check iwl_trans_pcie_send_cmd_pdu(struct iwl_trans *trans, u8 id, u32 flags, u16 len, const void *data); -void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); +void iwl_tx_cmd_complete(struct iwl_trans *trans, + struct iwl_rx_mem_buffer *rxb); void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans, struct iwl_tx_queue *txq, u16 byte_cnt); @@ -343,4 +436,19 @@ static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) return index & (q->n_window - 1); } +#define IWL_TX_FIFO_BK 0 /* shared */ +#define IWL_TX_FIFO_BE 1 +#define IWL_TX_FIFO_VI 2 /* shared */ +#define IWL_TX_FIFO_VO 3 +#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK +#define IWL_TX_FIFO_BE_IPAN 4 +#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI +#define IWL_TX_FIFO_VO_IPAN 5 +/* re-uses the VO FIFO, uCode will properly flush/schedule */ +#define IWL_TX_FIFO_AUX 5 +#define IWL_TX_FIFO_UNUSED -1 + +/* AUX (TX during scan dwell) queue */ +#define IWL_AUX_QUEUE 10 + #endif /* __iwl_trans_int_pcie_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c index 2d0ddb8d422d..126e5a4cc401 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c @@ -30,8 +30,7 @@ #include <linux/wait.h> #include <linux/gfp.h> -#include "iwl-dev.h" -#include "iwl-agn.h" +/*TODO: Remove include to iwl-core.h*/ #include "iwl-core.h" #include "iwl-io.h" #include "iwl-helpers.h" @@ -453,7 +452,7 @@ static void iwl_rx_handle(struct iwl_trans *trans) * iwl_trans_send_cmd() * as we reclaim the driver command queue */ if (rxb->page) - iwl_tx_cmd_complete(priv(trans), rxb); + iwl_tx_cmd_complete(trans, rxb); else IWL_WARN(trans, "Claim null rxb?\n"); } @@ -646,7 +645,7 @@ static void iwl_irq_handle_error(struct iwl_trans *trans) */ clear_bit(STATUS_READY, &trans->shrd->status); clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&priv->shrd->wait_command_queue); IWL_ERR(trans, "RF is used by WiMAX\n"); return; } @@ -660,8 +659,7 @@ static void iwl_irq_handle_error(struct iwl_trans *trans) iwl_dump_nic_event_log(trans, false, NULL, false); #ifdef CONFIG_IWLWIFI_DEBUG if (iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) - iwl_print_rx_config_cmd(priv, - &priv->contexts[IWL_RXON_CTX_BSS]); + iwl_print_rx_config_cmd(priv(trans), IWL_RXON_CTX_BSS); #endif iwlagn_fw_error(priv, false); @@ -705,18 +703,18 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); - iwl_grab_nic_access(bus(priv)); + spin_lock_irqsave(&bus(trans)->reg_lock, reg_flags); + iwl_grab_nic_access(bus(trans)); /* Set starting address; reads will auto-increment */ - iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); + iwl_write32(bus(trans), HBUS_TARG_MEM_RADDR, ptr); rmb(); /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); - time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + ev = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + time = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ if (bufsz) { @@ -730,7 +728,7 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, time, ev); } } else { - data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + data = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); if (bufsz) { pos += scnprintf(*buf + pos, bufsz - pos, "EVT_LOGT:%010u:0x%08x:%04u\n", @@ -745,8 +743,8 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, } /* Allow device to power down */ - iwl_release_nic_access(bus(priv)); - spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); + iwl_release_nic_access(bus(trans)); + spin_unlock_irqrestore(&bus(trans)->reg_lock, reg_flags); return pos; } @@ -823,10 +821,10 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, } /* event log header */ - capacity = iwl_read_targ_mem(bus(priv), base); - mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); - num_wraps = iwl_read_targ_mem(bus(priv), base + (2 * sizeof(u32))); - next_entry = iwl_read_targ_mem(bus(priv), base + (3 * sizeof(u32))); + capacity = iwl_read_targ_mem(bus(trans), base); + mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32))); + num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32))); + next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32))); if (capacity > logsize) { IWL_ERR(trans, "Log capacity %d is bogus, limit to %d " @@ -848,9 +846,6 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, return pos; } - /* enable/disable bt channel inhibition */ - priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; - #ifdef CONFIG_IWLWIFI_DEBUG if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log) size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) @@ -908,8 +903,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) u32 inta_mask; #endif - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct isr_statistics *isr_stats = &trans_pcie->isr_stats; @@ -1003,8 +997,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) else clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - wiphy_rfkill_set_hw_state(priv(trans)->hw->wiphy, - hw_rf_kill); + iwl_set_hw_rfkill_state(priv(trans), hw_rf_kill); } handled |= CSR_INT_BIT_RF_KILL; @@ -1093,7 +1086,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ priv(trans)->ucode_write_complete = 1; - wake_up_interruptible(&priv(trans)->wait_command_queue); + wake_up_interruptible(&trans->shrd->wait_command_queue); } if (inta & ~handled) { diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index ea6a0bc8ca20..ca686dbf5893 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -30,13 +30,19 @@ #include <linux/slab.h> #include <linux/sched.h> -#include "iwl-agn.h" +/* TODO: remove include to iwl-dev.h */ #include "iwl-dev.h" -#include "iwl-core.h" +#include "iwl-debug.h" +#include "iwl-csr.h" +#include "iwl-prph.h" #include "iwl-io.h" +#include "iwl-agn-hw.h" #include "iwl-helpers.h" #include "iwl-trans-int-pcie.h" +#define IWL_TX_CRC_SIZE 4 +#define IWL_TX_DELIMITER_SIZE 4 + /** * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array */ @@ -536,7 +542,6 @@ int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, struct iwl_tid_data *tid_data; unsigned long flags; int txq_id; - struct iwl_priv *priv = priv(trans); txq_id = iwlagn_txq_ctx_activate_free(trans); if (txq_id == -1) { @@ -560,7 +565,7 @@ int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, "queue\n", tid_data->tfds_in_queue); tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); return 0; } @@ -856,16 +861,16 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) * need to be reclaimed. As result, some free space forms. If there is * enough free space (> low mark), wake the stack that feeds us. */ -static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) +static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id, + int idx) { - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans(priv)); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; int nfreed = 0; if ((idx >= q->n_bd) || (iwl_queue_used(q, idx) == 0)) { - IWL_ERR(priv, "%s: Read index for DMA queue txq id (%d), " + IWL_ERR(trans, "%s: Read index for DMA queue txq id (%d), " "index %d is out of range [0-%d] %d %d.\n", __func__, txq_id, idx, q->n_bd, q->write_ptr, q->read_ptr); return; @@ -875,9 +880,9 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { if (nfreed++ > 0) { - IWL_ERR(priv, "HCMD skipped: index (%d) %d %d\n", idx, + IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n", idx, q->write_ptr, q->read_ptr); - iwlagn_fw_error(priv, false); + iwlagn_fw_error(priv(trans), false); } } @@ -891,7 +896,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx) * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ -void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) +void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); @@ -900,7 +905,6 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) int cmd_index; struct iwl_device_cmd *cmd; struct iwl_cmd_meta *meta; - struct iwl_trans *trans = trans(priv); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; unsigned long flags; @@ -913,7 +917,7 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) txq_id, trans->shrd->cmd_queue, sequence, trans_pcie->txq[trans->shrd->cmd_queue].q.read_ptr, trans_pcie->txq[trans->shrd->cmd_queue].q.write_ptr)) { - iwl_print_hex_error(priv, pkt, 32); + iwl_print_hex_error(trans, pkt, 32); return; } @@ -929,17 +933,17 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) meta->source->reply_page = (unsigned long)rxb_addr(rxb); rxb->page = NULL; } else if (meta->callback) - meta->callback(priv, cmd, pkt); + meta->callback(trans->shrd, cmd, pkt); spin_lock_irqsave(&trans->hcmd_lock, flags); - iwl_hcmd_queue_reclaim(priv, txq_id, index); + iwl_hcmd_queue_reclaim(trans, txq_id, index); if (!(meta->flags & CMD_ASYNC)) { clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->hdr.cmd)); - wake_up_interruptible(&priv->wait_command_queue); + wake_up_interruptible(&trans->shrd->wait_command_queue); } meta->flags = 0; @@ -947,96 +951,14 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) spin_unlock_irqrestore(&trans->hcmd_lock, flags); } -const char *get_cmd_string(u8 cmd) -{ - switch (cmd) { - IWL_CMD(REPLY_ALIVE); - IWL_CMD(REPLY_ERROR); - IWL_CMD(REPLY_RXON); - IWL_CMD(REPLY_RXON_ASSOC); - IWL_CMD(REPLY_QOS_PARAM); - IWL_CMD(REPLY_RXON_TIMING); - IWL_CMD(REPLY_ADD_STA); - IWL_CMD(REPLY_REMOVE_STA); - IWL_CMD(REPLY_REMOVE_ALL_STA); - IWL_CMD(REPLY_TXFIFO_FLUSH); - IWL_CMD(REPLY_WEPKEY); - IWL_CMD(REPLY_TX); - IWL_CMD(REPLY_LEDS_CMD); - IWL_CMD(REPLY_TX_LINK_QUALITY_CMD); - IWL_CMD(COEX_PRIORITY_TABLE_CMD); - IWL_CMD(COEX_MEDIUM_NOTIFICATION); - IWL_CMD(COEX_EVENT_CMD); - IWL_CMD(REPLY_QUIET_CMD); - IWL_CMD(REPLY_CHANNEL_SWITCH); - IWL_CMD(CHANNEL_SWITCH_NOTIFICATION); - IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD); - IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION); - IWL_CMD(POWER_TABLE_CMD); - IWL_CMD(PM_SLEEP_NOTIFICATION); - IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC); - IWL_CMD(REPLY_SCAN_CMD); - IWL_CMD(REPLY_SCAN_ABORT_CMD); - IWL_CMD(SCAN_START_NOTIFICATION); - IWL_CMD(SCAN_RESULTS_NOTIFICATION); - IWL_CMD(SCAN_COMPLETE_NOTIFICATION); - IWL_CMD(BEACON_NOTIFICATION); - IWL_CMD(REPLY_TX_BEACON); - IWL_CMD(WHO_IS_AWAKE_NOTIFICATION); - IWL_CMD(QUIET_NOTIFICATION); - IWL_CMD(REPLY_TX_PWR_TABLE_CMD); - IWL_CMD(MEASURE_ABORT_NOTIFICATION); - IWL_CMD(REPLY_BT_CONFIG); - IWL_CMD(REPLY_STATISTICS_CMD); - IWL_CMD(STATISTICS_NOTIFICATION); - IWL_CMD(REPLY_CARD_STATE_CMD); - IWL_CMD(CARD_STATE_NOTIFICATION); - IWL_CMD(MISSED_BEACONS_NOTIFICATION); - IWL_CMD(REPLY_CT_KILL_CONFIG_CMD); - IWL_CMD(SENSITIVITY_CMD); - IWL_CMD(REPLY_PHY_CALIBRATION_CMD); - IWL_CMD(REPLY_RX_PHY_CMD); - IWL_CMD(REPLY_RX_MPDU_CMD); - IWL_CMD(REPLY_RX); - IWL_CMD(REPLY_COMPRESSED_BA); - IWL_CMD(CALIBRATION_CFG_CMD); - IWL_CMD(CALIBRATION_RES_NOTIFICATION); - IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION); - IWL_CMD(REPLY_TX_POWER_DBM_CMD); - IWL_CMD(TEMPERATURE_NOTIFICATION); - IWL_CMD(TX_ANT_CONFIGURATION_CMD); - IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF); - IWL_CMD(REPLY_BT_COEX_PRIO_TABLE); - IWL_CMD(REPLY_BT_COEX_PROT_ENV); - IWL_CMD(REPLY_WIPAN_PARAMS); - IWL_CMD(REPLY_WIPAN_RXON); - IWL_CMD(REPLY_WIPAN_RXON_TIMING); - IWL_CMD(REPLY_WIPAN_RXON_ASSOC); - IWL_CMD(REPLY_WIPAN_QOS_PARAM); - IWL_CMD(REPLY_WIPAN_WEPKEY); - IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH); - IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION); - IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE); - IWL_CMD(REPLY_WOWLAN_PATTERNS); - IWL_CMD(REPLY_WOWLAN_WAKEUP_FILTER); - IWL_CMD(REPLY_WOWLAN_TSC_RSC_PARAMS); - IWL_CMD(REPLY_WOWLAN_TKIP_PARAMS); - IWL_CMD(REPLY_WOWLAN_KEK_KCK_MATERIAL); - IWL_CMD(REPLY_WOWLAN_GET_STATUS); - default: - return "UNKNOWN"; - - } -} - #define HOST_COMPLETE_TIMEOUT (2 * HZ) -static void iwl_generic_cmd_callback(struct iwl_priv *priv, +static void iwl_generic_cmd_callback(struct iwl_shared *shrd, struct iwl_device_cmd *cmd, struct iwl_rx_packet *pkt) { if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from %s (0x%08X)\n", + IWL_ERR(shrd->trans, "Bad return from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); return; } @@ -1045,11 +967,11 @@ static void iwl_generic_cmd_callback(struct iwl_priv *priv, switch (cmd->hdr.cmd) { case REPLY_TX_LINK_QUALITY_CMD: case SENSITIVITY_CMD: - IWL_DEBUG_HC_DUMP(priv, "back from %s (0x%08X)\n", + IWL_DEBUG_HC_DUMP(shrd->trans, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); break; default: - IWL_DEBUG_HC(priv, "back from %s (0x%08X)\n", + IWL_DEBUG_HC(shrd->trans, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); } #endif @@ -1107,7 +1029,7 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) return ret; } - ret = wait_event_interruptible_timeout(priv(trans)->wait_command_queue, + ret = wait_event_interruptible_timeout(trans->shrd->wait_command_queue, !test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status), HOST_COMPLETE_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index cec13adb018e..b2e89077c684 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -65,14 +65,13 @@ #include <linux/bitops.h> #include <linux/gfp.h> -#include "iwl-dev.h" #include "iwl-trans.h" -#include "iwl-core.h" -#include "iwl-helpers.h" #include "iwl-trans-int-pcie.h" -/*TODO remove uneeded includes when the transport layer tx_free will be here */ -#include "iwl-agn.h" +#include "iwl-csr.h" +#include "iwl-prph.h" #include "iwl-shared.h" +#include "iwl-eeprom.h" +#include "iwl-agn-hw.h" static int iwl_trans_rx_alloc(struct iwl_trans *trans) { @@ -604,9 +603,8 @@ error: return ret; } -static void iwl_set_pwr_vmain(struct iwl_priv *priv) +static void iwl_set_pwr_vmain(struct iwl_trans *trans) { - struct iwl_trans *trans = trans(priv); /* * (for documentation purposes) * to set power to V_AUX, do: @@ -625,11 +623,10 @@ static void iwl_set_pwr_vmain(struct iwl_priv *priv) static int iwl_nic_init(struct iwl_trans *trans) { unsigned long flags; - struct iwl_priv *priv = priv(trans); /* nic_init */ spin_lock_irqsave(&trans->shrd->lock, flags); - iwl_apm_init(priv); + iwl_apm_init(priv(trans)); /* Set interrupt coalescing calibration timer to default (512 usecs) */ iwl_write8(bus(trans), CSR_INT_COALESCING, @@ -637,9 +634,9 @@ static int iwl_nic_init(struct iwl_trans *trans) spin_unlock_irqrestore(&trans->shrd->lock, flags); - iwl_set_pwr_vmain(priv); + iwl_set_pwr_vmain(trans); - priv->cfg->lib->nic_config(priv); + iwl_nic_config(priv(trans)); /* Allocate the RX queue, or reset if it is already allocated */ iwl_rx_init(trans); @@ -764,7 +761,6 @@ static const u8 iwlagn_pan_ac_to_queue[] = { static int iwl_trans_pcie_start_device(struct iwl_trans *trans) { int ret; - struct iwl_priv *priv = priv(trans); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -792,7 +788,7 @@ static int iwl_trans_pcie_start_device(struct iwl_trans *trans) set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); if (iwl_is_rfkill(trans->shrd)) { - wiphy_rfkill_set_hw_state(priv->hw->wiphy, true); + iwl_set_hw_rfkill_state(priv(trans), true); iwl_enable_interrupts(trans); return -ERFKILL; } @@ -833,8 +829,6 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask) static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) { const struct queue_to_fifo_ac *queue_to_fifo; - struct iwl_rxon_context *ctx; - struct iwl_priv *priv = priv(trans); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u32 a; @@ -902,7 +896,7 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7)); /* map queues to FIFOs */ - if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) + if (trans->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS)) queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; else queue_to_fifo = iwlagn_default_queue_to_tx_fifo; @@ -914,8 +908,6 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) sizeof(trans_pcie->queue_stopped)); for (i = 0; i < 4; i++) atomic_set(&trans_pcie->queue_stop_count[i], 0); - for_each_context(priv, ctx) - ctx->last_tx_rejected = false; /* reset to 0 to enable all the queue first */ trans_pcie->txq_ctx_active_msk = 0; @@ -1397,7 +1389,7 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans) else clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - wiphy_rfkill_set_hw_state(priv(trans)->hw->wiphy, hw_rfkill); + iwl_set_hw_rfkill_state(priv(trans), hw_rfkill); return 0; } @@ -1505,12 +1497,144 @@ static int iwl_trans_pcie_check_stuck_queue(struct iwl_trans *trans, int cnt) if (time_after(jiffies, timeout)) { IWL_ERR(trans, "Queue %d stuck for %u ms.\n", q->id, hw_params(trans).wd_timeout); + IWL_ERR(trans, "Current read_ptr %d write_ptr %d\n", + q->read_ptr, q->write_ptr); return 1; } return 0; } +static const char *get_fh_string(int cmd) +{ + switch (cmd) { + IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); + IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); + IWL_CMD(FH_RSCSR_CHNL0_WPTR); + IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); + IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); + IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); + IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); + IWL_CMD(FH_TSSR_TX_STATUS_REG); + IWL_CMD(FH_TSSR_TX_ERROR_REG); + default: + return "UNKNOWN"; + } +} + +int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) +{ + int i; +#ifdef CONFIG_IWLWIFI_DEBUG + int pos = 0; + size_t bufsz = 0; +#endif + static const u32 fh_tbl[] = { + FH_RSCSR_CHNL0_STTS_WPTR_REG, + FH_RSCSR_CHNL0_RBDCB_BASE_REG, + FH_RSCSR_CHNL0_WPTR, + FH_MEM_RCSR_CHNL0_CONFIG_REG, + FH_MEM_RSSR_SHARED_CTRL_REG, + FH_MEM_RSSR_RX_STATUS_REG, + FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, + FH_TSSR_TX_STATUS_REG, + FH_TSSR_TX_ERROR_REG + }; +#ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + pos += scnprintf(*buf + pos, bufsz - pos, + "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + pos += scnprintf(*buf + pos, bufsz - pos, + " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return pos; + } +#endif + IWL_ERR(trans, "FH register values:\n"); + for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { + IWL_ERR(trans, " %34s: 0X%08x\n", + get_fh_string(fh_tbl[i]), + iwl_read_direct32(bus(trans), fh_tbl[i])); + } + return 0; +} + +static const char *get_csr_string(int cmd) +{ + switch (cmd) { + IWL_CMD(CSR_HW_IF_CONFIG_REG); + IWL_CMD(CSR_INT_COALESCING); + IWL_CMD(CSR_INT); + IWL_CMD(CSR_INT_MASK); + IWL_CMD(CSR_FH_INT_STATUS); + IWL_CMD(CSR_GPIO_IN); + IWL_CMD(CSR_RESET); + IWL_CMD(CSR_GP_CNTRL); + IWL_CMD(CSR_HW_REV); + IWL_CMD(CSR_EEPROM_REG); + IWL_CMD(CSR_EEPROM_GP); + IWL_CMD(CSR_OTP_GP_REG); + IWL_CMD(CSR_GIO_REG); + IWL_CMD(CSR_GP_UCODE_REG); + IWL_CMD(CSR_GP_DRIVER_REG); + IWL_CMD(CSR_UCODE_DRV_GP1); + IWL_CMD(CSR_UCODE_DRV_GP2); + IWL_CMD(CSR_LED_REG); + IWL_CMD(CSR_DRAM_INT_TBL_REG); + IWL_CMD(CSR_GIO_CHICKEN_BITS); + IWL_CMD(CSR_ANA_PLL_CFG); + IWL_CMD(CSR_HW_REV_WA_REG); + IWL_CMD(CSR_DBG_HPET_MEM_REG); + default: + return "UNKNOWN"; + } +} + +void iwl_dump_csr(struct iwl_trans *trans) +{ + int i; + static const u32 csr_tbl[] = { + CSR_HW_IF_CONFIG_REG, + CSR_INT_COALESCING, + CSR_INT, + CSR_INT_MASK, + CSR_FH_INT_STATUS, + CSR_GPIO_IN, + CSR_RESET, + CSR_GP_CNTRL, + CSR_HW_REV, + CSR_EEPROM_REG, + CSR_EEPROM_GP, + CSR_OTP_GP_REG, + CSR_GIO_REG, + CSR_GP_UCODE_REG, + CSR_GP_DRIVER_REG, + CSR_UCODE_DRV_GP1, + CSR_UCODE_DRV_GP2, + CSR_LED_REG, + CSR_DRAM_INT_TBL_REG, + CSR_GIO_CHICKEN_BITS, + CSR_ANA_PLL_CFG, + CSR_HW_REV_WA_REG, + CSR_DBG_HPET_MEM_REG + }; + IWL_ERR(trans, "CSR values:\n"); + IWL_ERR(trans, "(2nd byte of CSR_INT_COALESCING is " + "CSR_INT_PERIODIC_REG)\n"); + for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { + IWL_ERR(trans, " %25s: 0X%08x\n", + get_csr_string(csr_tbl[i]), + iwl_read32(bus(trans), csr_tbl[i])); + } +} + #ifdef CONFIG_IWLWIFI_DEBUGFS /* create and remove of files */ #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ @@ -1563,118 +1687,12 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .llseek = generic_file_llseek, \ }; -static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_trans *trans = file->private_data; - struct iwl_priv *priv = priv(trans); - int pos = 0, ofs = 0; - int cnt = 0, entry; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_tx_queue *txq; - struct iwl_queue *q; - struct iwl_rx_queue *rxq = &trans_pcie->rxq; - char *buf; - int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + - (hw_params(trans).max_txq_num * 32 * 8) + 400; - const u8 *ptr; - ssize_t ret; - - if (!trans_pcie->txq) { - IWL_ERR(trans, "txq not ready\n"); - return -EAGAIN; - } - buf = kzalloc(bufsz, GFP_KERNEL); - if (!buf) { - IWL_ERR(trans, "Can not allocate buffer\n"); - return -ENOMEM; - } - pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); - for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { - txq = &trans_pcie->txq[cnt]; - q = &txq->q; - pos += scnprintf(buf + pos, bufsz - pos, - "q[%d]: read_ptr: %u, write_ptr: %u\n", - cnt, q->read_ptr, q->write_ptr); - } - if (priv->tx_traffic && - (iwl_get_debug_level(trans->shrd) & IWL_DL_TX)) { - ptr = priv->tx_traffic; - pos += scnprintf(buf + pos, bufsz - pos, - "Tx Traffic idx: %u\n", priv->tx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); - pos += scnprintf(buf + pos, bufsz - pos, - "read: %u, write: %u\n", - rxq->read, rxq->write); - - if (priv->rx_traffic && - (iwl_get_debug_level(trans->shrd) & IWL_DL_RX)) { - ptr = priv->rx_traffic; - pos += scnprintf(buf + pos, bufsz - pos, - "Rx Traffic idx: %u\n", priv->rx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - return ret; -} - -static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_trans *trans = file->private_data; - char buf[8]; - int buf_size; - int traffic_log; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - if (sscanf(buf, "%d", &traffic_log) != 1) - return -EFAULT; - if (traffic_log == 0) - iwl_reset_traffic_log(priv(trans)); - - return count; -} - static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_trans *trans = file->private_data; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_priv *priv = priv(trans); struct iwl_tx_queue *txq; struct iwl_queue *q; char *buf; @@ -1684,7 +1702,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, const size_t bufsz = sizeof(char) * 64 * hw_params(trans).max_txq_num; if (!trans_pcie->txq) { - IWL_ERR(priv, "txq not ready\n"); + IWL_ERR(trans, "txq not ready\n"); return -EAGAIN; } buf = kzalloc(bufsz, GFP_KERNEL); @@ -1864,75 +1882,6 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, return count; } -static const char *get_csr_string(int cmd) -{ - switch (cmd) { - IWL_CMD(CSR_HW_IF_CONFIG_REG); - IWL_CMD(CSR_INT_COALESCING); - IWL_CMD(CSR_INT); - IWL_CMD(CSR_INT_MASK); - IWL_CMD(CSR_FH_INT_STATUS); - IWL_CMD(CSR_GPIO_IN); - IWL_CMD(CSR_RESET); - IWL_CMD(CSR_GP_CNTRL); - IWL_CMD(CSR_HW_REV); - IWL_CMD(CSR_EEPROM_REG); - IWL_CMD(CSR_EEPROM_GP); - IWL_CMD(CSR_OTP_GP_REG); - IWL_CMD(CSR_GIO_REG); - IWL_CMD(CSR_GP_UCODE_REG); - IWL_CMD(CSR_GP_DRIVER_REG); - IWL_CMD(CSR_UCODE_DRV_GP1); - IWL_CMD(CSR_UCODE_DRV_GP2); - IWL_CMD(CSR_LED_REG); - IWL_CMD(CSR_DRAM_INT_TBL_REG); - IWL_CMD(CSR_GIO_CHICKEN_BITS); - IWL_CMD(CSR_ANA_PLL_CFG); - IWL_CMD(CSR_HW_REV_WA_REG); - IWL_CMD(CSR_DBG_HPET_MEM_REG); - default: - return "UNKNOWN"; - } -} - -void iwl_dump_csr(struct iwl_trans *trans) -{ - int i; - static const u32 csr_tbl[] = { - CSR_HW_IF_CONFIG_REG, - CSR_INT_COALESCING, - CSR_INT, - CSR_INT_MASK, - CSR_FH_INT_STATUS, - CSR_GPIO_IN, - CSR_RESET, - CSR_GP_CNTRL, - CSR_HW_REV, - CSR_EEPROM_REG, - CSR_EEPROM_GP, - CSR_OTP_GP_REG, - CSR_GIO_REG, - CSR_GP_UCODE_REG, - CSR_GP_DRIVER_REG, - CSR_UCODE_DRV_GP1, - CSR_UCODE_DRV_GP2, - CSR_LED_REG, - CSR_DRAM_INT_TBL_REG, - CSR_GIO_CHICKEN_BITS, - CSR_ANA_PLL_CFG, - CSR_HW_REV_WA_REG, - CSR_DBG_HPET_MEM_REG - }; - IWL_ERR(trans, "CSR values:\n"); - IWL_ERR(trans, "(2nd byte of CSR_INT_COALESCING is " - "CSR_INT_PERIODIC_REG)\n"); - for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { - IWL_ERR(trans, " %25s: 0X%08x\n", - get_csr_string(csr_tbl[i]), - iwl_read32(bus(trans), csr_tbl[i])); - } -} - static ssize_t iwl_dbgfs_csr_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -1954,67 +1903,6 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file, return count; } -static const char *get_fh_string(int cmd) -{ - switch (cmd) { - IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); - IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); - IWL_CMD(FH_RSCSR_CHNL0_WPTR); - IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG); - IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG); - IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG); - IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV); - IWL_CMD(FH_TSSR_TX_STATUS_REG); - IWL_CMD(FH_TSSR_TX_ERROR_REG); - default: - return "UNKNOWN"; - } -} - -int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) -{ - int i; -#ifdef CONFIG_IWLWIFI_DEBUG - int pos = 0; - size_t bufsz = 0; -#endif - static const u32 fh_tbl[] = { - FH_RSCSR_CHNL0_STTS_WPTR_REG, - FH_RSCSR_CHNL0_RBDCB_BASE_REG, - FH_RSCSR_CHNL0_WPTR, - FH_MEM_RCSR_CHNL0_CONFIG_REG, - FH_MEM_RSSR_SHARED_CTRL_REG, - FH_MEM_RSSR_RX_STATUS_REG, - FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV, - FH_TSSR_TX_STATUS_REG, - FH_TSSR_TX_ERROR_REG - }; -#ifdef CONFIG_IWLWIFI_DEBUG - if (display) { - bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - pos += scnprintf(*buf + pos, bufsz - pos, - "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - pos += scnprintf(*buf + pos, bufsz - pos, - " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); - } - return pos; - } -#endif - IWL_ERR(trans, "FH register values:\n"); - for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { - IWL_ERR(trans, " %34s: 0X%08x\n", - get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); - } - return 0; -} - static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -2034,7 +1922,6 @@ static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, return ret; } -DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_WRITE_FILE_OPS(interrupt); DEBUGFS_READ_FILE_OPS(fh_reg); @@ -2049,7 +1936,6 @@ DEBUGFS_WRITE_FILE_OPS(csr); static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, struct dentry *dir) { - DEBUGFS_ADD_FILE(traffic_log, dir, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR); DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR); DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 7a2daa886dfd..71a6fb05356a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -73,10 +73,70 @@ * layer */ struct iwl_priv; -struct iwl_rxon_context; -struct iwl_host_cmd; struct iwl_shared; -struct iwl_device_cmd; + +#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) +#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) +#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) + +enum { + CMD_SYNC = 0, + CMD_ASYNC = BIT(0), + CMD_WANT_SKB = BIT(1), + CMD_ON_DEMAND = BIT(2), +}; + +#define DEF_CMD_PAYLOAD_SIZE 320 + +/** + * struct iwl_device_cmd + * + * For allocation of the command and tx queues, this establishes the overall + * size of the largest command we send to uCode, except for commands that + * aren't fully copied and use other TFD space. + */ +struct iwl_device_cmd { + struct iwl_cmd_header hdr; /* uCode API */ + union { + u32 flags; + u8 val8; + u16 val16; + u32 val32; + struct iwl_tx_cmd tx; + struct iwl6000_channel_switch_cmd chswitch; + u8 payload[DEF_CMD_PAYLOAD_SIZE]; + } __packed cmd; +} __packed; + +#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) + +#define IWL_MAX_CMD_TFDS 2 + +enum iwl_hcmd_dataflag { + IWL_HCMD_DFL_NOCOPY = BIT(0), +}; + +/** + * struct iwl_host_cmd - Host command to the uCode + * @data: array of chunks that composes the data of the host command + * @reply_page: pointer to the page that holds the response to the host command + * @callback: + * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC + * @len: array of the lenths of the chunks in data + * @dataflags: + * @id: id of the host command + */ +struct iwl_host_cmd { + const void *data[IWL_MAX_CMD_TFDS]; + unsigned long reply_page; + void (*callback)(struct iwl_shared *shrd, + struct iwl_device_cmd *cmd, + struct iwl_rx_packet *pkt); + u32 flags; + u16 len[IWL_MAX_CMD_TFDS]; + u8 dataflags[IWL_MAX_CMD_TFDS]; + u8 id; +}; /** * struct iwl_trans_ops - transport specific operations diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 0c846f5a646a..8147f1e2a0b0 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -973,6 +973,23 @@ static const struct { { MODEL_8682, "libertas/usb8682.bin" } }; +#ifdef CONFIG_OLPC + +static int try_olpc_fw(struct if_usb_card *cardp) +{ + int retval = -ENOENT; + + /* try the OLPC firmware first; fall back to fw_table list */ + if (machine_is_olpc() && cardp->model == MODEL_8388) + retval = request_firmware(&cardp->fw, + "libertas/usb8388_olpc.bin", &cardp->udev->dev); + return retval; +} + +#else +static int try_olpc_fw(struct if_usb_card *cardp) { return -ENOENT; } +#endif /* !CONFIG_OLPC */ + static int get_fw(struct if_usb_card *cardp, const char *fwname) { int i; @@ -981,6 +998,10 @@ static int get_fw(struct if_usb_card *cardp, const char *fwname) if (fwname) return request_firmware(&cardp->fw, fwname, &cardp->udev->dev); + /* Handle OLPC firmware */ + if (try_olpc_fw(cardp) == 0) + return 0; + /* Otherwise search for firmware to use */ for (i = 0; i < ARRAY_SIZE(fw_table); i++) { if (fw_table[i].model != cardp->model) diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index c69a7d71f4ca..4778620347c4 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -664,6 +664,9 @@ /* * LED_CFG: LED control + * ON_PERIOD: LED active time (ms) during TX (only used for LED mode 1) + * OFF_PERIOD: LED inactive time (ms) during TX (only used for LED mode 1) + * SLOW_BLINK_PERIOD: LED blink interval in seconds (only used for LED mode 2) * color LED's: * 0: off * 1: blinking upon TX2 diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index ef67f6786a84..a5ddb39ca4a0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -493,7 +493,7 @@ void rt2800_write_tx_data(struct queue_entry *entry, rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? - txdesc->key_idx : 0xff); + txdesc->key_idx : txdesc->u.ht.wcid); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid); @@ -601,7 +601,7 @@ void rt2800_process_rxwi(struct queue_entry *entry, } EXPORT_SYMBOL_GPL(rt2800_process_rxwi); -void rt2800_txdone_entry(struct queue_entry *entry, u32 status) +void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); @@ -609,13 +609,11 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status) u32 word; u16 mcs, real_mcs; int aggr, ampdu; - __le32 *txwi; /* * Obtain the status about this packet. */ txdesc.flags = 0; - txwi = rt2800_drv_get_txwi(entry); rt2x00_desc_read(txwi, 0, &word); mcs = rt2x00_get_field32(word, TXWI_W0_MCS); @@ -899,28 +897,12 @@ static void rt2800_brightness_set(struct led_classdev *led_cdev, } } -static int rt2800_blink_set(struct led_classdev *led_cdev, - unsigned long *delay_on, unsigned long *delay_off) -{ - struct rt2x00_led *led = - container_of(led_cdev, struct rt2x00_led, led_dev); - u32 reg; - - rt2800_register_read(led->rt2x00dev, LED_CFG, ®); - rt2x00_set_field32(®, LED_CFG_ON_PERIOD, *delay_on); - rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, *delay_off); - rt2800_register_write(led->rt2x00dev, LED_CFG, reg); - - return 0; -} - static void rt2800_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt2800_brightness_set; - led->led_dev.blink_set = rt2800_blink_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ @@ -928,11 +910,51 @@ static void rt2800_init_led(struct rt2x00_dev *rt2x00dev, /* * Configuration handlers. */ -static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_crypto *crypto, - struct ieee80211_key_conf *key) +static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev, + const u8 *address, + int wcid) { struct mac_wcid_entry wcid_entry; + u32 offset; + + offset = MAC_WCID_ENTRY(wcid); + + memset(&wcid_entry, 0xff, sizeof(wcid_entry)); + if (address) + memcpy(wcid_entry.mac, address, ETH_ALEN); + + rt2800_register_multiwrite(rt2x00dev, offset, + &wcid_entry, sizeof(wcid_entry)); +} + +static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid) +{ + u32 offset; + offset = MAC_WCID_ATTR_ENTRY(wcid); + rt2800_register_write(rt2x00dev, offset, 0); +} + +static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev, + int wcid, u32 bssidx) +{ + u32 offset = MAC_WCID_ATTR_ENTRY(wcid); + u32 reg; + + /* + * The BSS Idx numbers is split in a main value of 3 bits, + * and a extended field for adding one additional bit to the value. + */ + rt2800_register_read(rt2x00dev, offset, ®); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7)); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT, + (bssidx & 0x8) >> 3); + rt2800_register_write(rt2x00dev, offset, reg); +} + +static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev, + struct rt2x00lib_crypto *crypto, + struct ieee80211_key_conf *key) +{ struct mac_iveiv_entry iveiv_entry; u32 offset; u32 reg; @@ -952,14 +974,16 @@ static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev, (crypto->cipher & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, (crypto->cipher & 0x8) >> 3); - rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, - (crypto->bssidx & 0x7)); - rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT, - (crypto->bssidx & 0x8) >> 3); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); } else { - rt2800_register_write(rt2x00dev, offset, 0); + /* Delete the cipher without touching the bssidx */ + rt2800_register_read(rt2x00dev, offset, ®); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0); + rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0); + rt2800_register_write(rt2x00dev, offset, reg); } offset = MAC_IVEIV_ENTRY(key->hw_key_idx); @@ -972,14 +996,6 @@ static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev, iveiv_entry.iv[3] |= key->keyidx << 6; rt2800_register_multiwrite(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); - - offset = MAC_WCID_ENTRY(key->hw_key_idx); - - memset(&wcid_entry, 0, sizeof(wcid_entry)); - if (crypto->cmd == SET_KEY) - memcpy(wcid_entry.mac, crypto->address, ETH_ALEN); - rt2800_register_multiwrite(rt2x00dev, offset, - &wcid_entry, sizeof(wcid_entry)); } int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, @@ -1026,20 +1042,24 @@ int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, /* * Update WCID information */ - rt2800_config_wcid_attr(rt2x00dev, crypto, key); + rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx); + rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx, + crypto->bssidx); + rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_shared_key); -static inline int rt2800_find_pairwise_keyslot(struct rt2x00_dev *rt2x00dev) +static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev) { + struct mac_wcid_entry wcid_entry; int idx; - u32 offset, reg; + u32 offset; /* - * Search for the first free pairwise key entry and return the - * corresponding index. + * Search for the first free WCID entry and return the corresponding + * index. * * Make sure the WCID starts _after_ the last possible shared key * entry (>32). @@ -1049,11 +1069,17 @@ static inline int rt2800_find_pairwise_keyslot(struct rt2x00_dev *rt2x00dev) * first 222 entries. */ for (idx = 33; idx <= 222; idx++) { - offset = MAC_WCID_ATTR_ENTRY(idx); - rt2800_register_read(rt2x00dev, offset, ®); - if (!reg) + offset = MAC_WCID_ENTRY(idx); + rt2800_register_multiread(rt2x00dev, offset, &wcid_entry, + sizeof(wcid_entry)); + if (is_broadcast_ether_addr(wcid_entry.mac)) return idx; } + + /* + * Use -1 to indicate that we don't have any more space in the WCID + * table. + */ return -1; } @@ -1063,13 +1089,15 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, { struct hw_key_entry key_entry; u32 offset; - int idx; if (crypto->cmd == SET_KEY) { - idx = rt2800_find_pairwise_keyslot(rt2x00dev); - if (idx < 0) + /* + * Allow key configuration only for STAs that are + * known by the hw. + */ + if (crypto->wcid < 0) return -ENOSPC; - key->hw_key_idx = idx; + key->hw_key_idx = crypto->wcid; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); @@ -1086,12 +1114,59 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, /* * Update WCID information */ - rt2800_config_wcid_attr(rt2x00dev, crypto, key); + rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key); +int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + int wcid; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + + /* + * Find next free WCID. + */ + wcid = rt2800_find_wcid(rt2x00dev); + + /* + * Store selected wcid even if it is invalid so that we can + * later decide if the STA is uploaded into the hw. + */ + sta_priv->wcid = wcid; + + /* + * No space left in the device, however, we can still communicate + * with the STA -> No error. + */ + if (wcid < 0) + return 0; + + /* + * Clean up WCID attributes and write STA address to the device. + */ + rt2800_delete_wcid_attr(rt2x00dev, wcid); + rt2800_config_wcid(rt2x00dev, sta->addr, wcid); + rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid, + rt2x00lib_get_bssidx(rt2x00dev, vif)); + return 0; +} +EXPORT_SYMBOL_GPL(rt2800_sta_add); + +int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid) +{ + /* + * Remove WCID entry, no need to clean the attributes as they will + * get renewed when the WCID is reused. + */ + rt2800_config_wcid(rt2x00dev, NULL, wcid); + + return 0; +} +EXPORT_SYMBOL_GPL(rt2800_sta_remove); + void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { @@ -2771,11 +2846,8 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) SHARED_KEY_MODE_ENTRY(i), 0); for (i = 0; i < 256; i++) { - static const u32 wcid[2] = { 0xffffffff, 0x00ffffff }; - rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i), - wcid, sizeof(wcid)); - - rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 0); + rt2800_config_wcid(rt2x00dev, NULL, i); + rt2800_delete_wcid_attr(rt2x00dev, i); rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0); } @@ -4409,8 +4481,19 @@ int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size) { + struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv; int ret = 0; + /* + * Don't allow aggregation for stations the hardware isn't aware + * of because tx status reports for frames to an unknown station + * always contain wcid=255 and thus we can't distinguish between + * multiple stations which leads to unwanted situations when the + * hw reorders frames due to aggregation. + */ + if (sta_priv->wcid < 0) + return 1; + switch (action) { case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h index 69deb3148ae7..7a2511f6785c 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/rt2x00/rt2800lib.h @@ -152,7 +152,7 @@ void rt2800_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc); void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc); -void rt2800_txdone_entry(struct queue_entry *entry, u32 status); +void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32* txwi); void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc); void rt2800_clear_beacon(struct queue_entry *entry); @@ -166,6 +166,9 @@ int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key); +int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid); void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags); void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 7586468955da..da48c8ac27bd 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -619,11 +619,11 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry, /* * Initialize TX descriptor */ - rt2x00_desc_read(txd, 0, &word); + word = 0; rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); rt2x00_desc_write(txd, 0, word); - rt2x00_desc_read(txd, 1, &word); + word = 0; rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); @@ -634,12 +634,12 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry, rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); rt2x00_desc_write(txd, 1, word); - rt2x00_desc_read(txd, 2, &word); + word = 0; rt2x00_set_field32(&word, TXD_W2_SD_PTR1, skbdesc->skb_dma + TXWI_DESC_SIZE); rt2x00_desc_write(txd, 2, word); - rt2x00_desc_read(txd, 3, &word); + word = 0; rt2x00_set_field32(&word, TXD_W3_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W3_QSEL, 2); @@ -760,7 +760,7 @@ static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) } entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); - rt2800_txdone_entry(entry, status); + rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry)); if (--max_tx_done == 0) break; @@ -1015,6 +1015,8 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .get_stats = rt2x00mac_get_stats, .get_tkip_seq = rt2800_get_tkip_seq, .set_rts_threshold = rt2800_set_rts_threshold, + .sta_add = rt2x00mac_sta_add, + .sta_remove = rt2x00mac_sta_remove, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800_conf_tx, .get_tsf = rt2800_get_tsf, @@ -1076,6 +1078,8 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { .config_erp = rt2800_config_erp, .config_ant = rt2800_config_ant, .config = rt2800_config, + .sta_add = rt2800_sta_add, + .sta_remove = rt2800_sta_remove, }; static const struct data_queue_desc rt2800pci_queue_rx = { diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 507559361d87..4b907a53f97c 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -534,7 +534,8 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev) if (!entry || rt2x00queue_empty(queue)) break; - rt2800_txdone_entry(entry, reg); + rt2800_txdone_entry(entry, reg, + rt2800usb_get_txwi(entry)); } } @@ -749,6 +750,8 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = { .get_stats = rt2x00mac_get_stats, .get_tkip_seq = rt2800_get_tkip_seq, .set_rts_threshold = rt2800_set_rts_threshold, + .sta_add = rt2x00mac_sta_add, + .sta_remove = rt2x00mac_sta_remove, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800_conf_tx, .get_tsf = rt2800_get_tsf, @@ -806,6 +809,8 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .config_erp = rt2800_config_erp, .config_ant = rt2800_config_ant, .config = rt2800_config, + .sta_add = rt2800_sta_add, + .sta_remove = rt2800_sta_remove, }; static const struct data_queue_desc rt2800usb_queue_rx = { diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index f82bfeb79ebb..cbf8eb334e96 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -478,6 +478,8 @@ struct rt2x00lib_crypto { u8 key[16]; u8 tx_mic[8]; u8 rx_mic[8]; + + int wcid; }; /* @@ -512,6 +514,19 @@ struct rt2x00intf_conf { }; /* + * Private structure for storing STA details + * wcid: Wireless Client ID + */ +struct rt2x00_sta { + int wcid; +}; + +static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta) +{ + return (struct rt2x00_sta *)sta->drv_priv; +} + +/* * rt2x00lib callback functions. */ struct rt2x00lib_ops { @@ -620,6 +635,11 @@ struct rt2x00lib_ops { void (*config) (struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int changed_flags); + int (*sta_add) (struct rt2x00_dev *rt2x00dev, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); + int (*sta_remove) (struct rt2x00_dev *rt2x00dev, + int wcid); }; /* @@ -1226,6 +1246,12 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ /* + * Utility functions. + */ +u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev, + struct ieee80211_vif *vif); + +/* * Interrupt context handlers. */ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); @@ -1261,6 +1287,10 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, #else #define rt2x00mac_set_key NULL #endif /* CONFIG_RT2X00_LIB_CRYPTO */ +int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw); void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw); int rt2x00mac_get_stats(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 92ff6a72a2bb..e1fb2a8569be 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -33,6 +33,22 @@ #include "rt2x00lib.h" /* + * Utility functions. + */ +u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev, + struct ieee80211_vif *vif) +{ + /* + * When in STA mode, bssidx is always 0 otherwise local_address[5] + * contains the bss number, see BSS_ID_MASK comments for details. + */ + if (rt2x00dev->intf_sta_count) + return 0; + return vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1); +} +EXPORT_SYMBOL_GPL(rt2x00lib_get_bssidx); + +/* * Radio control handlers. */ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) @@ -915,6 +931,11 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE; /* + * Tell mac80211 about the size of our private STA structure. + */ + rt2x00dev->hw->sta_data_size = sizeof(struct rt2x00_sta); + + /* * Allocate tx status FIFO for driver use. */ if (test_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags)) { diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 4ccf23805973..cef1c878c37e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -494,6 +494,7 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct rt2x00lib_crypto crypto; static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }; + struct rt2x00_sta *sta_priv = NULL; if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) return 0; @@ -504,24 +505,18 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, memset(&crypto, 0, sizeof(crypto)); - /* - * When in STA mode, bssidx is always 0 otherwise local_address[5] - * contains the bss number, see BSS_ID_MASK comments for details. - */ - if (rt2x00dev->intf_sta_count) - crypto.bssidx = 0; - else - crypto.bssidx = vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1); - + crypto.bssidx = rt2x00lib_get_bssidx(rt2x00dev, vif); crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; crypto.cmd = cmd; - if (sta) + if (sta) { crypto.address = sta->addr; - else + sta_priv = sta_to_rt2x00_sta(sta); + crypto.wcid = sta_priv->wcid; + } else crypto.address = bcast_addr; if (crypto.cipher == CIPHER_TKIP) @@ -560,6 +555,39 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, EXPORT_SYMBOL_GPL(rt2x00mac_set_key); #endif /* CONFIG_RT2X00_LIB_CRYPTO */ +int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + + /* + * If there's no space left in the device table store + * -1 as wcid but tell mac80211 everything went ok. + */ + if (rt2x00dev->ops->lib->sta_add(rt2x00dev, vif, sta)) + sta_priv->wcid = -1; + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00mac_sta_add); + +int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + + /* + * If we never sent the STA to the device no need to clean it up. + */ + if (sta_priv->wcid < 0) + return 0; + + return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta_priv->wcid); +} +EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove); + void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 29edb9fbe6f1..5adfb3eab9cd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -310,11 +310,16 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct rt2x00_sta *sta_priv = NULL; - if (tx_info->control.sta) + if (tx_info->control.sta) { txdesc->u.ht.mpdu_density = tx_info->control.sta->ht_cap.ampdu_density; + sta_priv = sta_to_rt2x00_sta(tx_info->control.sta); + txdesc->u.ht.wcid = sta_priv->wcid; + } + txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */ /* diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index f2100f4ddcff..349008d1fb28 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -288,8 +288,8 @@ enum txentry_desc_flags { * @signal: PLCP signal. * @service: PLCP service. * @msc: MCS. - * @stbc: STBC. - * @ba_size: BA size. + * @stbc: Use Space Time Block Coding (only available for MCS rates < 8). + * @ba_size: Size of the recepients RX reorder buffer - 1. * @rate_mode: Rate mode (See @enum rate_modulation). * @mpdu_density: MDPU density. * @retry_limit: Max number of retries. @@ -321,6 +321,7 @@ struct txentry_desc { u8 ba_size; u8 mpdu_density; enum txop txop; + int wcid; } ht; } u; diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 37f95f2e10f9..72f3933938c0 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -130,6 +130,8 @@ #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 /* A-MSDU 802.11n */ #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 +/* Mesh Control 802.11s */ +#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 /* U-APSD queue for WMM IEs sent by AP */ #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 09024ab617f9..95980317d983 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1810,6 +1810,8 @@ struct wiphy_wowlan_support { * by default for perm_addr. In this case, the mask should be set to * all-zeroes. In this case it is assumed that the device can handle * the same number of arbitrary MAC addresses. + * @registered: protects ->resume and ->suspend sysfs callbacks against + * unregister hardware * @debugfsdir: debugfs directory used for this wiphy, will be renamed * automatically on wiphy renames * @dev: (virtual) struct device for this wiphy diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5e5029b22ac7..643e1291a1e8 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -164,6 +164,7 @@ struct ieee80211_low_level_stats { * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note * that it is only ever disabled for station mode. * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface. + * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode) */ enum ieee80211_bss_change { BSS_CHANGED_ASSOC = 1<<0, @@ -181,6 +182,7 @@ enum ieee80211_bss_change { BSS_CHANGED_ARP_FILTER = 1<<12, BSS_CHANGED_QOS = 1<<13, BSS_CHANGED_IDLE = 1<<14, + BSS_CHANGED_SSID = 1<<15, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -254,6 +256,9 @@ enum ieee80211_rssi_event { * @idle: This interface is idle. There's also a global idle flag in the * hardware config which may be more appropriate depending on what * your driver/device needs to do. + * @ssid: The SSID of the current vif. Only valid in AP-mode. + * @ssid_len: Length of SSID given in @ssid. + * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode. */ struct ieee80211_bss_conf { const u8 *bssid; @@ -280,6 +285,9 @@ struct ieee80211_bss_conf { bool arp_filter_enabled; bool qos; bool idle; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + size_t ssid_len; + bool hidden_ssid; }; /** @@ -3225,6 +3233,19 @@ void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw); void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap, const u8 *addr); +/** + * ieee80211_send_bar - send a BlockAckReq frame + * + * can be used to flush pending frames from the peer's aggregation reorder + * buffer. + * + * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @ra: the peer's destination address + * @tid: the TID of the aggregation session + * @ssn: the new starting sequence number for the receiver + */ +void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn); + /* Rate control API */ /** diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 250b9a53f6d9..3cef5a7281cb 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -104,8 +104,9 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, ieee80211_tx_skb(sdata, skb); } -void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn) +void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn) { + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct ieee80211_bar *bar; @@ -131,6 +132,7 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; ieee80211_tx_skb(sdata, skb); } +EXPORT_SYMBOL(ieee80211_send_bar); void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, struct tid_ampdu_tx *tid_tx) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 5c0d8fab0e88..b57ddf941e59 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -455,6 +455,20 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, return ret; } +static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, + struct beacon_parameters *params) +{ + struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; + + bss_conf->ssid_len = params->ssid_len; + + if (params->ssid_len) + memcpy(bss_conf->ssid, params->ssid, params->ssid_len); + + bss_conf->hidden_ssid = + (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); +} + /* * This handles both adding a beacon and setting new beacon info */ @@ -548,8 +562,11 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, kfree(old); + ieee80211_config_ap_ssid(sdata, params); + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | - BSS_CHANGED_BEACON); + BSS_CHANGED_BEACON | + BSS_CHANGED_SSID); return 0; } diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 6e8eab7919e2..dd0462917518 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -340,6 +340,8 @@ IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC); IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); +IEEE80211_IF_FILE(dropped_frames_congestion, + u.mesh.mshstats.dropped_frames_congestion, DEC); IEEE80211_IF_FILE(dropped_frames_no_route, u.mesh.mshstats.dropped_frames_no_route, DEC); IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC); @@ -463,6 +465,7 @@ static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) MESHSTATS_ADD(fwded_frames); MESHSTATS_ADD(dropped_frames_ttl); MESHSTATS_ADD(dropped_frames_no_route); + MESHSTATS_ADD(dropped_frames_congestion); MESHSTATS_ADD(estab_plinks); #undef MESHSTATS_ADD } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index c204cee1189c..21186e280ceb 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -261,6 +261,7 @@ struct mesh_stats { __u32 fwded_frames; /* Mesh total forwarded frames */ __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ __u32 dropped_frames_no_route; /* Not transmitted, no route found */ + __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ atomic_t estab_plinks; }; @@ -670,6 +671,7 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_AGGREGATION, IEEE80211_QUEUE_STOP_REASON_SUSPEND, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, }; #ifdef CONFIG_MAC80211_LEDS @@ -1186,7 +1188,6 @@ struct ieee80211_tx_status_rtap_hdr { void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, struct ieee80211_ht_cap *ht_cap_ie, struct ieee80211_sta_ht_cap *ht_cap); -void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid, u16 initiator, u16 reason_code); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 65acbf5eed2d..a4225ae69681 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -463,8 +463,7 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, memcpy(hdr->addr3, meshsa, ETH_ALEN); return 24; } else { - *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | - IEEE80211_FCTL_TODS); + *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS); /* RA TA DA SA */ memset(hdr->addr1, 0, ETH_ALEN); /* RA is resolved later */ memcpy(hdr->addr2, meshsa, ETH_ALEN); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 63df0bc3dba4..6df7913d7ca4 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -209,7 +209,6 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { - struct ieee80211_local *local = sdata->local; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); skb_set_mac_header(skb, 0); @@ -221,7 +220,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, skb->priority = 7; info->control.vif = &sdata->vif; - ieee80211_set_qos_hdr(local, skb); + ieee80211_set_qos_hdr(sdata, skb); } /** diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 55a206cfb8cc..332b5ff1e885 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <net/mac80211.h> +#include "wme.h" #include "ieee80211_i.h" #include "mesh.h" @@ -212,6 +213,7 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) struct ieee80211_hdr *hdr; struct sk_buff_head tmpq; unsigned long flags; + struct ieee80211_sub_if_data *sdata = mpath->sdata; rcu_assign_pointer(mpath->next_hop, sta); @@ -222,6 +224,8 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) { hdr = (struct ieee80211_hdr *) skb->data; memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN); + skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb)); + ieee80211_set_qos_hdr(sdata, skb); __skb_queue_tail(&tmpq, skb); } diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 1a00d0f701c3..4396906175ae 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -88,7 +88,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, if (!sta) return NULL; - sta->flags = WLAN_STA_AUTHORIZED | WLAN_STA_AUTH; + sta->flags = WLAN_STA_AUTHORIZED | WLAN_STA_AUTH | WLAN_STA_WME; sta->sta.supp_rates[local->hw.conf.channel->band] = rates; rate_control_rate_init(sta); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index fb2f0f986de7..2f92ae2f9706 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -390,6 +390,9 @@ static void ieee80211_chswitch_work(struct work_struct *work) /* call "hw_config" only if doing sw channel switch */ ieee80211_hw_config(sdata->local, IEEE80211_CONF_CHANGE_CHANNEL); + } else { + /* update the device channel directly */ + sdata->local->hw.conf.channel = sdata->local->oper_channel; } /* XXX: shouldn't really modify cfg80211-owned data! */ @@ -1918,8 +1921,24 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); + /* + * Whenever the AP announces the HT mode change that can be + * 40MHz intolerant or etc., it would be safer to stop tx + * queues before doing hw config to avoid buffer overflow. + */ + ieee80211_stop_queues_by_reason(&sdata->local->hw, + IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE); + + /* flush out all packets */ + synchronize_net(); + + drv_flush(local, false); + changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem, bssid, ap_ht_cap_flags); + + ieee80211_wake_queues_by_reason(&sdata->local->hw, + IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE); } /* Note: country IE parsing is done for us by cfg80211 */ diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 21588386a302..e19249b0f971 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -452,7 +452,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) { minstrel_ht_update_stats(mp, mi); - minstrel_aggr_check(mp, sta, skb); + if (!(info->flags & IEEE80211_TX_CTL_AMPDU)) + minstrel_aggr_check(mp, sta, skb); } } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index f45fd2fedc24..db46601e50bf 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -476,7 +476,6 @@ static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; - unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control); char *dev_addr = rx->sdata->vif.addr; if (ieee80211_is_data(hdr->frame_control)) { @@ -524,14 +523,6 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) } -#define msh_h_get(h, l) ((struct ieee80211s_hdr *) ((u8 *)h + l)) - - if (ieee80211_is_data(hdr->frame_control) && - is_multicast_ether_addr(hdr->addr1) && - mesh_rmc_check(hdr->addr3, msh_h_get(hdr, hdrlen), rx->sdata)) - return RX_DROP_MONITOR; -#undef msh_h_get - return RX_CONTINUE; } @@ -1840,6 +1831,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) hdrlen = ieee80211_hdrlen(hdr->frame_control); mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + /* frame is in RMC, don't forward */ + if (ieee80211_is_data(hdr->frame_control) && + is_multicast_ether_addr(hdr->addr1) && + mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) + return RX_DROP_MONITOR; + if (!ieee80211_is_data(hdr->frame_control)) return RX_CONTINUE; @@ -1847,6 +1844,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) /* illegal frame */ return RX_DROP_MONITOR; + if (ieee80211_queue_stopped(&local->hw, skb_get_queue_mapping(skb))) { + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, + dropped_frames_congestion); + return RX_DROP_MONITOR; + } + if (mesh_hdr->flags & MESH_FLAGS_AE) { struct mesh_path *mppath; char *proxied_addr; @@ -1902,13 +1905,13 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) memset(info, 0, sizeof(*info)); info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; info->control.vif = &rx->sdata->vif; - skb_set_queue_mapping(skb, - ieee80211_select_queue(rx->sdata, fwd_skb)); - ieee80211_set_qos_hdr(local, skb); - if (is_multicast_ether_addr(fwd_hdr->addr1)) + if (is_multicast_ether_addr(fwd_hdr->addr1)) { IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, fwded_mcast); - else { + skb_set_queue_mapping(fwd_skb, + ieee80211_select_queue(sdata, fwd_skb)); + ieee80211_set_qos_hdr(sdata, fwd_skb); + } else { int err; /* * Save TA to addr1 to send TA a path error if a @@ -2569,12 +2572,12 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) CALL_RXH(ieee80211_rx_h_ps_poll) CALL_RXH(ieee80211_rx_h_michael_mic_verify) /* must be after MMIC verify so header is counted in MPDU mic */ - CALL_RXH(ieee80211_rx_h_remove_qos_control) - CALL_RXH(ieee80211_rx_h_amsdu) #ifdef CONFIG_MAC80211_MESH if (ieee80211_vif_is_mesh(&rx->sdata->vif)) CALL_RXH(ieee80211_rx_h_mesh_fwding); #endif + CALL_RXH(ieee80211_rx_h_remove_qos_control) + CALL_RXH(ieee80211_rx_h_amsdu) CALL_RXH(ieee80211_rx_h_data) CALL_RXH(ieee80211_rx_h_ctrl); CALL_RXH(ieee80211_rx_h_mgmt_check) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 17caba27040b..42c196e86115 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -691,14 +691,13 @@ void sta_info_clear_tim_bit(struct sta_info *sta) spin_unlock_irqrestore(&sta->local->sta_lock, flags); } -static int sta_info_buffer_expired(struct sta_info *sta, - struct sk_buff *skb) +static bool sta_info_buffer_expired(struct sta_info *sta, struct sk_buff *skb) { struct ieee80211_tx_info *info; int timeout; if (!skb) - return 0; + return false; info = IEEE80211_SKB_CB(skb); @@ -718,9 +717,6 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local, unsigned long flags; struct sk_buff *skb; - if (skb_queue_empty(&sta->ps_tx_buf)) - return false; - for (;;) { spin_lock_irqsave(&sta->ps_tx_buf.lock, flags); skb = skb_peek(&sta->ps_tx_buf); @@ -745,7 +741,7 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local, sta_info_clear_tim_bit(sta); } - return true; + return !skb_queue_empty(&sta->ps_tx_buf); } static int __must_check __sta_info_destroy(struct sta_info *sta) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index ba405bc4f812..14268465f1d8 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -136,7 +136,7 @@ static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid) return; tid_tx->bar_pending = false; - ieee80211_send_bar(sta->sdata, addr, tid, tid_tx->failed_bar_ssn); + ieee80211_send_bar(&sta->sdata->vif, addr, tid, tid_tx->failed_bar_ssn); } static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) @@ -273,7 +273,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) tid = qc[0] & 0xf; ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10) & IEEE80211_SCTL_SEQ); - ieee80211_send_bar(sta->sdata, hdr->addr1, + ieee80211_send_bar(&sta->sdata->vif, hdr->addr1, tid, ssn); } diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2521716aa97b..7cd6c28968b2 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1596,7 +1596,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, return; } - ieee80211_set_qos_hdr(local, skb); + ieee80211_set_qos_hdr(sdata, skb); ieee80211_tx(sdata, skb, false); rcu_read_unlock(); } @@ -1879,6 +1879,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, rcu_read_unlock(); } + /* For mesh, the use of the QoS header is mandatory */ + if (ieee80211_vif_is_mesh(&sdata->vif)) + sta_flags |= WLAN_STA_WME; + /* receiver and we are QoS enabled, use a QoS type frame */ if ((sta_flags & WLAN_STA_WME) && local->hw.queues >= 4) { fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 1c1080274730..4b1466d5b6a1 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1077,6 +1077,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) changed |= BSS_CHANGED_IBSS; /* fall through */ case NL80211_IFTYPE_AP: + changed |= BSS_CHANGED_SSID; + /* fall through */ case NL80211_IFTYPE_MESH_POINT: changed |= BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED; diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 7a49532f14cb..971004c9b04f 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -83,11 +83,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, break; #ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: - /* - * XXX: This is clearly broken ... but already was before, - * because ieee80211_fill_mesh_addresses() would clear A1 - * except for multicast addresses. - */ + ra = skb->data; break; #endif case NL80211_IFTYPE_STATION: @@ -139,7 +135,8 @@ u16 ieee80211_downgrade_queue(struct ieee80211_local *local, return ieee802_1d_to_ac[skb->priority]; } -void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb) +void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_hdr *hdr = (void *)skb->data; @@ -150,10 +147,11 @@ void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb) tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; - if (unlikely(local->wifi_wme_noack_test)) + if (unlikely(sdata->local->wifi_wme_noack_test)) ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK; - /* qos header is 2 bytes, second reserved */ + /* qos header is 2 bytes */ *p++ = ack_policy | tid; - *p = 0; + *p = ieee80211_vif_is_mesh(&sdata->vif) ? + (IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8) : 0; } } diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h index faead6d02026..34e166fbf4d4 100644 --- a/net/mac80211/wme.h +++ b/net/mac80211/wme.h @@ -17,7 +17,8 @@ extern const int ieee802_1d_to_ac[8]; u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); -void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb); +void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); u16 ieee80211_downgrade_queue(struct ieee80211_local *local, struct sk_buff *skb); diff --git a/net/wireless/core.c b/net/wireless/core.c index 645437cfc464..44cbebac25e0 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -582,7 +582,7 @@ int wiphy_register(struct wiphy *wiphy) } /* set up regulatory info */ - wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE); + regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); list_add_rcu(&rdev->list, &cfg80211_rdev_list); cfg80211_rdev_list_generation++; diff --git a/net/wireless/core.h b/net/wireless/core.h index 8672e028022f..796a4bdf8b0d 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -279,8 +279,6 @@ extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, char *newname); void ieee80211_set_bitrate_flags(struct wiphy *wiphy); -void wiphy_update_regulatory(struct wiphy *wiphy, - enum nl80211_reg_initiator setby); void cfg80211_bss_expire(struct cfg80211_registered_device *dev); void cfg80211_bss_age(struct cfg80211_registered_device *dev, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f4cfd3abfbfd..11089541bb03 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2627,10 +2627,15 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) if (tb[NL80211_STA_WME_UAPSD_QUEUES]) params.uapsd_queues = nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); + if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) + return -EINVAL; if (tb[NL80211_STA_WME_MAX_SP]) params.max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); + + if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) + return -EINVAL; } if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && diff --git a/net/wireless/reg.c b/net/wireless/reg.c index a2b09c2df1bf..18fc37b6f2bd 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -911,14 +911,6 @@ static bool ignore_reg_update(struct wiphy *wiphy, return false; } -static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) -{ - struct cfg80211_registered_device *rdev; - - list_for_each_entry(rdev, &cfg80211_rdev_list, list) - wiphy_update_regulatory(&rdev->wiphy, initiator); -} - static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx, struct reg_beacon *reg_beacon) @@ -1118,11 +1110,13 @@ static void reg_process_ht_flags(struct wiphy *wiphy) } -void wiphy_update_regulatory(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator) +static void wiphy_update_regulatory(struct wiphy *wiphy, + enum nl80211_reg_initiator initiator) { enum ieee80211_band band; + assert_reg_lock(); + if (ignore_reg_update(wiphy, initiator)) return; @@ -1137,6 +1131,22 @@ void wiphy_update_regulatory(struct wiphy *wiphy, wiphy->reg_notifier(wiphy, last_request); } +void regulatory_update(struct wiphy *wiphy, + enum nl80211_reg_initiator setby) +{ + mutex_lock(®_mutex); + wiphy_update_regulatory(wiphy, setby); + mutex_unlock(®_mutex); +} + +static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) +{ + struct cfg80211_registered_device *rdev; + + list_for_each_entry(rdev, &cfg80211_rdev_list, list) + wiphy_update_regulatory(&rdev->wiphy, initiator); +} + static void handle_channel_custom(struct wiphy *wiphy, enum ieee80211_band band, unsigned int chan_idx, diff --git a/net/wireless/reg.h b/net/wireless/reg.h index b67d1c3a2fb9..4a56799d868d 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -16,6 +16,8 @@ void regulatory_exit(void); int set_regdom(const struct ieee80211_regdomain *rd); +void regulatory_update(struct wiphy *wiphy, enum nl80211_reg_initiator setby); + /** * regulatory_hint_found_beacon - hints a beacon was found on a channel * @wiphy: the wireless device where the beacon was found on |