diff options
Diffstat (limited to 'drivers/net/wireless/ralink')
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2800.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 79 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2800lib.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00lib.h | 31 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00link.c | 132 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00mac.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 12 |
9 files changed, 124 insertions, 155 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h b/drivers/net/wireless/ralink/rt2x00/rt2800.h index 95c1d7c0a2f3..ec622a08a486 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h @@ -2979,7 +2979,9 @@ struct rt2800_drv_data { u8 bbp26; u8 txmixer_gain_24g; u8 txmixer_gain_5g; + u8 max_psdu; unsigned int tbtt_tick; + unsigned int ampdu_factor_cnt[4]; DECLARE_BITMAP(sta_ids, STA_IDS_SIZE); }; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 4fb79e05078f..5436cdb07937 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -1418,6 +1418,23 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, } EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key); +static void rt2800_set_max_psdu_len(struct rt2x00_dev *rt2x00dev) +{ + u8 i, max_psdu; + u32 reg; + struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; + + for (i = 0; i < 3; i++) + if (drv_data->ampdu_factor_cnt[i] > 0) + break; + + max_psdu = min(drv_data->max_psdu, i); + + rt2800_register_read(rt2x00dev, MAX_LEN_CFG, ®); + rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, max_psdu); + rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); +} + int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { @@ -1426,6 +1443,17 @@ int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; /* + * Limit global maximum TX AMPDU length to smallest value of all + * connected stations. In AP mode this can be suboptimal, but we + * do not have a choice if some connected STA is not capable to + * receive the same amount of data like the others. + */ + if (sta->ht_cap.ht_supported) { + drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]++; + rt2800_set_max_psdu_len(rt2x00dev); + } + + /* * Search for the first free WCID entry and return the corresponding * index. */ @@ -1457,9 +1485,16 @@ int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, } EXPORT_SYMBOL_GPL(rt2800_sta_add); -int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid) +int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, struct ieee80211_sta *sta) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); + int wcid = sta_priv->wcid; + + if (sta->ht_cap.ht_supported) { + drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]--; + rt2800_set_max_psdu_len(rt2x00dev); + } if (wcid > WCID_END) return 0; @@ -1904,7 +1939,7 @@ static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev, #define FREQ_OFFSET_BOUND 0x5f -static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev) +static void rt2800_freq_cal_mode1(struct rt2x00_dev *rt2x00dev) { u8 freq_offset, prev_freq_offset; u8 rfcsr, prev_rfcsr; @@ -2075,7 +2110,9 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev, rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); - msleep(1); + + usleep_range(1000, 1500); + rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } @@ -2380,7 +2417,7 @@ static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev, } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); if (conf_is_ht40(conf)) { txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40, @@ -2570,7 +2607,7 @@ static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev, rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); if (rf->channel <= 14) { if (rf->channel == 6) @@ -2611,7 +2648,7 @@ static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev, else rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); @@ -2676,7 +2713,7 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); if (rf->channel <= 14) { int idx = rf->channel-1; @@ -2971,7 +3008,7 @@ static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev, } /* TODO proper frequency adjustment */ - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); /* TODO merge with others */ rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); @@ -3407,7 +3444,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, } } - msleep(1); + usleep_range(1000, 1500); /* * Clear channel statistic counters @@ -4306,15 +4343,18 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) case RF5372: case RF5390: case RF5392: + case RF5592: rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); break; default: + WARN_ONCE(1, "Not supported RF chipet %x for VCO recalibration", + rt2x00dev->chip.rf); return; } - mdelay(1); + usleep_range(1000, 1500); rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin); if (rt2x00dev->rf_channel <= 14) { @@ -4536,6 +4576,7 @@ EXPORT_SYMBOL_GPL(rt2800_link_tuner); */ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) { + struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u32 reg; u16 eeprom; unsigned int i; @@ -4704,12 +4745,15 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE); if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) || rt2x00_rt(rt2x00dev, RT2883) || - rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) + rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) { + drv_data->max_psdu = 2; rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 2); - else + } else { + drv_data->max_psdu = 1; rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 1); - rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 0); - rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 0); + } + rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 10); + rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 10); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); rt2800_register_read(rt2x00dev, LED_CFG, ®); @@ -6415,7 +6459,7 @@ static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1); @@ -6641,7 +6685,7 @@ static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev) rt2800_rfcsr_write(rt2x00dev, 2, 0x80); msleep(1); - rt2800_adjust_freq_offset(rt2x00dev); + rt2800_freq_cal_mode1(rt2x00dev); /* Enable DC filter */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) @@ -7593,7 +7637,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT; - spec->ht.ampdu_factor = 3; + spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2; spec->ht.ampdu_density = 4; spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; if (tx_chains != rx_chains) { @@ -7675,6 +7719,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) case RF5372: case RF5390: case RF5392: + case RF5592: __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags); break; } diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h index 83f1a44fb9b4..0a8b4df665fe 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h @@ -183,7 +183,7 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, 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); +int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, struct ieee80211_sta *sta); 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/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index aa3d4ceef4ad..034a07273038 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -627,7 +627,7 @@ struct rt2x00lib_ops { struct ieee80211_vif *vif, struct ieee80211_sta *sta); int (*sta_remove) (struct rt2x00_dev *rt2x00dev, - int wcid); + struct ieee80211_sta *sta); }; /* @@ -834,6 +834,10 @@ struct rt2x00_dev { struct mutex csr_mutex; /* + * Mutex to synchronize config and link tuner. + */ + struct mutex conf_mutex; + /* * Current packet filter configuration for the device. * This contains all currently active FIF_* flags send * to us by mac80211 during configure_filter(). diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c index eb7b71443657..8fcbc8dc94c1 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c @@ -87,9 +87,6 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) */ rt2x00queue_start_queues(rt2x00dev); rt2x00link_start_tuner(rt2x00dev); - rt2x00link_start_agc(rt2x00dev); - if (rt2x00_has_cap_vco_recalibration(rt2x00dev)) - rt2x00link_start_vcocal(rt2x00dev); /* * Start watchdog monitoring. @@ -112,9 +109,6 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) /* * Stop all queues */ - rt2x00link_stop_agc(rt2x00dev); - if (rt2x00_has_cap_vco_recalibration(rt2x00dev)) - rt2x00link_stop_vcocal(rt2x00dev); rt2x00link_stop_tuner(rt2x00dev); rt2x00queue_stop_queues(rt2x00dev); rt2x00queue_flush_queues(rt2x00dev, true); @@ -1319,6 +1313,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) spin_lock_init(&rt2x00dev->irqmask_lock); mutex_init(&rt2x00dev->csr_mutex); + mutex_init(&rt2x00dev->conf_mutex); INIT_LIST_HEAD(&rt2x00dev->bar_list); spin_lock_init(&rt2x00dev->bar_list_lock); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h b/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h index fb7c349ccc9c..9ddc1681b86a 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h @@ -29,9 +29,10 @@ * Interval defines */ #define WATCHDOG_INTERVAL round_jiffies_relative(HZ) -#define LINK_TUNE_INTERVAL round_jiffies_relative(HZ) -#define AGC_INTERVAL round_jiffies_relative(4 * HZ) -#define VCO_INTERVAL round_jiffies_relative(10 * HZ) /* 10 sec */ +#define LINK_TUNE_SECONDS 1 +#define LINK_TUNE_INTERVAL round_jiffies_relative(LINK_TUNE_SECONDS * HZ) +#define AGC_SECONDS 4 +#define VCO_SECONDS 10 /* * rt2x00_rate: Per rate device information @@ -271,30 +272,6 @@ void rt2x00link_start_watchdog(struct rt2x00_dev *rt2x00dev); void rt2x00link_stop_watchdog(struct rt2x00_dev *rt2x00dev); /** - * rt2x00link_start_agc - Start periodic gain calibration - * @rt2x00dev: Pointer to &struct rt2x00_dev. - */ -void rt2x00link_start_agc(struct rt2x00_dev *rt2x00dev); - -/** - * rt2x00link_start_vcocal - Start periodic VCO calibration - * @rt2x00dev: Pointer to &struct rt2x00_dev. - */ -void rt2x00link_start_vcocal(struct rt2x00_dev *rt2x00dev); - -/** - * rt2x00link_stop_agc - Stop periodic gain calibration - * @rt2x00dev: Pointer to &struct rt2x00_dev. - */ -void rt2x00link_stop_agc(struct rt2x00_dev *rt2x00dev); - -/** - * rt2x00link_stop_vcocal - Stop periodic VCO calibration - * @rt2x00dev: Pointer to &struct rt2x00_dev. - */ -void rt2x00link_stop_vcocal(struct rt2x00_dev *rt2x00dev); - -/** * rt2x00link_register - Initialize link tuning & watchdog functionality * @rt2x00dev: Pointer to &struct rt2x00_dev. * diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00link.c b/drivers/net/wireless/ralink/rt2x00/rt2x00link.c index 017188e5a736..2010a7715f21 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00link.c @@ -233,15 +233,13 @@ void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev) struct link *link = &rt2x00dev->link; /* - * Link tuning should only be performed when - * an active sta interface exists. AP interfaces - * don't need link tuning and monitor mode interfaces - * should never have to work with link tuners. + * Single monitor mode interfaces should never have + * work with link tuners. */ - if (!rt2x00dev->intf_sta_count) + if (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count) return; - /** + /* * While scanning, link tuning is disabled. By default * the most sensitive settings will be used to make sure * that all beacons and probe responses will be received @@ -308,22 +306,11 @@ static void rt2x00link_reset_qual(struct rt2x00_dev *rt2x00dev) qual->tx_failed = 0; } -static void rt2x00link_tuner(struct work_struct *work) +static void rt2x00link_tuner_sta(struct rt2x00_dev *rt2x00dev, struct link *link) { - struct rt2x00_dev *rt2x00dev = - container_of(work, struct rt2x00_dev, link.work.work); - struct link *link = &rt2x00dev->link; struct link_qual *qual = &rt2x00dev->link.qual; /* - * When the radio is shutting down we should - * immediately cease all link tuning. - */ - if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) || - test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) - return; - - /* * Update statistics. */ rt2x00dev->ops->lib->link_stats(rt2x00dev, qual); @@ -360,6 +347,38 @@ static void rt2x00link_tuner(struct work_struct *work) */ if (rt2x00lib_antenna_diversity(rt2x00dev)) rt2x00link_reset_qual(rt2x00dev); +} + +static void rt2x00link_tuner(struct work_struct *work) +{ + struct rt2x00_dev *rt2x00dev = + container_of(work, struct rt2x00_dev, link.work.work); + struct link *link = &rt2x00dev->link; + + /* + * When the radio is shutting down we should + * immediately cease all link tuning. + */ + if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) || + test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) + return; + + /* Do not race with rt2x00mac_config(). */ + mutex_lock(&rt2x00dev->conf_mutex); + + if (rt2x00dev->intf_sta_count) + rt2x00link_tuner_sta(rt2x00dev, link); + + if (rt2x00dev->ops->lib->gain_calibration && + (link->count % (AGC_SECONDS / LINK_TUNE_SECONDS)) == 0) + rt2x00dev->ops->lib->gain_calibration(rt2x00dev); + + if (rt2x00dev->ops->lib->vco_calibration && + rt2x00_has_cap_vco_recalibration(rt2x00dev) && + (link->count % (VCO_SECONDS / LINK_TUNE_SECONDS)) == 0) + rt2x00dev->ops->lib->vco_calibration(rt2x00dev); + + mutex_unlock(&rt2x00dev->conf_mutex); /* * Increase tuner counter, and reschedule the next link tuner run. @@ -408,85 +427,8 @@ static void rt2x00link_watchdog(struct work_struct *work) WATCHDOG_INTERVAL); } -void rt2x00link_start_agc(struct rt2x00_dev *rt2x00dev) -{ - struct link *link = &rt2x00dev->link; - - if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) && - rt2x00dev->ops->lib->gain_calibration) - ieee80211_queue_delayed_work(rt2x00dev->hw, - &link->agc_work, - AGC_INTERVAL); -} - -void rt2x00link_start_vcocal(struct rt2x00_dev *rt2x00dev) -{ - struct link *link = &rt2x00dev->link; - - if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) && - rt2x00dev->ops->lib->vco_calibration) - ieee80211_queue_delayed_work(rt2x00dev->hw, - &link->vco_work, - VCO_INTERVAL); -} - -void rt2x00link_stop_agc(struct rt2x00_dev *rt2x00dev) -{ - cancel_delayed_work_sync(&rt2x00dev->link.agc_work); -} - -void rt2x00link_stop_vcocal(struct rt2x00_dev *rt2x00dev) -{ - cancel_delayed_work_sync(&rt2x00dev->link.vco_work); -} - -static void rt2x00link_agc(struct work_struct *work) -{ - struct rt2x00_dev *rt2x00dev = - container_of(work, struct rt2x00_dev, link.agc_work.work); - struct link *link = &rt2x00dev->link; - - /* - * When the radio is shutting down we should - * immediately cease the watchdog monitoring. - */ - if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) - return; - - rt2x00dev->ops->lib->gain_calibration(rt2x00dev); - - if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) - ieee80211_queue_delayed_work(rt2x00dev->hw, - &link->agc_work, - AGC_INTERVAL); -} - -static void rt2x00link_vcocal(struct work_struct *work) -{ - struct rt2x00_dev *rt2x00dev = - container_of(work, struct rt2x00_dev, link.vco_work.work); - struct link *link = &rt2x00dev->link; - - /* - * When the radio is shutting down we should - * immediately cease the VCO calibration. - */ - if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) - return; - - rt2x00dev->ops->lib->vco_calibration(rt2x00dev); - - if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) - ieee80211_queue_delayed_work(rt2x00dev->hw, - &link->vco_work, - VCO_INTERVAL); -} - void rt2x00link_register(struct rt2x00_dev *rt2x00dev) { - INIT_DELAYED_WORK(&rt2x00dev->link.agc_work, rt2x00link_agc); - if (rt2x00_has_cap_vco_recalibration(rt2x00dev)) - INIT_DELAYED_WORK(&rt2x00dev->link.vco_work, rt2x00link_vcocal); INIT_DELAYED_WORK(&rt2x00dev->link.watchdog_work, rt2x00link_watchdog); INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00link_tuner); } diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c index 13da95a24cf7..3cc1384ed2fc 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c @@ -320,6 +320,9 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed) */ rt2x00queue_stop_queue(rt2x00dev->rx); + /* Do not race with with link tuner. */ + mutex_lock(&rt2x00dev->conf_mutex); + /* * When we've just turned on the radio, we want to reprogram * everything to ensure a consistent state @@ -335,6 +338,8 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed) */ rt2x00lib_config_antenna(rt2x00dev, rt2x00dev->default_ant); + mutex_unlock(&rt2x00dev->conf_mutex); + /* Turn RX back on */ rt2x00queue_start_queue(rt2x00dev->rx); @@ -539,9 +544,8 @@ 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); - return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta_priv->wcid); + return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta); } EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove); diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c index 68b620b2462f..b2364d378774 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c @@ -306,13 +306,12 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, 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; + u8 density = 0; if (sta) { - txdesc->u.ht.mpdu_density = - sta->ht_cap.ampdu_density; - sta_priv = sta_to_rt2x00_sta(sta); txdesc->u.ht.wcid = sta_priv->wcid; + density = sta->ht_cap.ampdu_density; } /* @@ -345,8 +344,6 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, return; } - txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */ - /* * Only one STBC stream is supported for now. */ @@ -358,8 +355,11 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, * frames that are intended to probe a specific tx rate. */ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU && - !(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) + !(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) { __set_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags); + txdesc->u.ht.mpdu_density = density; + txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */ + } /* * Set 40Mhz mode if necessary (for legacy rates this will |