diff options
Diffstat (limited to 'drivers/net/wireless/mediatek')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mac80211.c | 43 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_mac.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_main.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/tx.c | 4 |
8 files changed, 81 insertions, 18 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 3518703524e7..3dbedcedc2c4 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -178,6 +178,10 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush) mt76_dma_sync_idx(dev, q); wake = wake && qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8; + + if (!q->queued) + wake_up(&dev->tx_wait); + spin_unlock_bh(&q->lock); if (wake) diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 915e61733131..fcd079a96782 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -268,6 +268,27 @@ mt76_check_sband(struct mt76_dev *dev, int band) dev->hw->wiphy->bands[band] = NULL; } +struct mt76_dev * +mt76_alloc_device(unsigned int size, const struct ieee80211_ops *ops) +{ + struct ieee80211_hw *hw; + struct mt76_dev *dev; + + hw = ieee80211_alloc_hw(size, ops); + if (!hw) + return NULL; + + dev = hw->priv; + dev->hw = hw; + spin_lock_init(&dev->rx_lock); + spin_lock_init(&dev->lock); + spin_lock_init(&dev->cc_lock); + init_waitqueue_head(&dev->tx_wait); + + return dev; +} +EXPORT_SYMBOL_GPL(mt76_alloc_device); + int mt76_register_device(struct mt76_dev *dev, bool vht, struct ieee80211_rate *rates, int n_rates) { @@ -277,8 +298,6 @@ int mt76_register_device(struct mt76_dev *dev, bool vht, dev_set_drvdata(dev->dev, dev); - spin_lock_init(&dev->lock); - spin_lock_init(&dev->cc_lock); INIT_LIST_HEAD(&dev->txwi_cache); SET_IEEE80211_DEV(hw, dev->dev); @@ -359,12 +378,32 @@ void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb) } EXPORT_SYMBOL_GPL(mt76_rx); +static bool mt76_has_tx_pending(struct mt76_dev *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) { + if (dev->q_tx[i].queued) + return true; + } + + return false; +} + void mt76_set_channel(struct mt76_dev *dev) { struct ieee80211_hw *hw = dev->hw; struct cfg80211_chan_def *chandef = &hw->conf.chandef; struct mt76_channel_state *state; bool offchannel = hw->conf.flags & IEEE80211_CONF_OFFCHANNEL; + int timeout = HZ / 5; + + if (offchannel) + set_bit(MT76_OFFCHANNEL, &dev->state); + else + clear_bit(MT76_OFFCHANNEL, &dev->state); + + wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(dev), timeout); if (dev->drv->update_survey) dev->drv->update_survey(dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index a74e6eef51e9..d2166fbf50ff 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -189,6 +189,7 @@ enum { MT76_STATE_RUNNING, MT76_SCANNING, MT76_RESET, + MT76_OFFCHANNEL, }; struct mt76_hw_cap { @@ -250,6 +251,8 @@ struct mt76_dev { struct mt76_queue q_rx[__MT_RXQ_MAX]; const struct mt76_queue_ops *queue_ops; + wait_queue_head_t tx_wait; + u8 macaddr[ETH_ALEN]; u32 rev; unsigned long state; @@ -376,6 +379,8 @@ mt76_channel_state(struct mt76_dev *dev, struct ieee80211_channel *c) return &msband->chan[idx]; } +struct mt76_dev *mt76_alloc_device(unsigned int size, + const struct ieee80211_ops *ops); int mt76_register_device(struct mt76_dev *dev, bool vht, struct ieee80211_rate *rates, int n_rates); void mt76_unregister_device(struct mt76_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h index a5d1255e4b9c..dc12bbdbb2ee 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h @@ -39,6 +39,9 @@ #define MT_CALIBRATE_INTERVAL HZ +#define MT_MAX_VIFS 8 +#define MT_VIF_WCID(_n) (254 - ((_n) & 7)) + #include "mt76.h" #include "mt76x2_regs.h" #include "mt76x2_mac.h" diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c index dd4c1127797e..79ab93613e06 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c @@ -296,6 +296,9 @@ static int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard) for (i = 0; i < 256; i++) mt76x2_mac_wcid_setup(dev, i, 0, NULL); + for (i = 0; i < MT_MAX_VIFS; i++) + mt76x2_mac_wcid_setup(dev, MT_VIF_WCID(i), i, NULL); + for (i = 0; i < 16; i++) for (k = 0; k < 4; k++) mt76x2_mac_shared_key_setup(dev, i, k, NULL); @@ -373,7 +376,7 @@ void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force) if ((mt76_rr(dev, MT_MAC_STATUS) & (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) || mt76_rr(dev, MT_BBP(IBI, 12))) { - usleep_range(10, 20); + udelay(1); continue; } @@ -482,7 +485,10 @@ void mt76x2_set_tx_ackto(struct mt76x2_dev *dev) { u8 ackto, sifs, slottime = dev->slottime; + /* As defined by IEEE 802.11-2007 17.3.8.6 */ slottime += 3 * dev->coverage_class; + mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, + MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); sifs = mt76_get_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS); @@ -632,20 +638,18 @@ struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev) .rx_poll_complete = mt76x2_rx_poll_complete, .sta_ps = mt76x2_sta_ps, }; - struct ieee80211_hw *hw; struct mt76x2_dev *dev; + struct mt76_dev *mdev; - hw = ieee80211_alloc_hw(sizeof(*dev), &mt76x2_ops); - if (!hw) + mdev = mt76_alloc_device(sizeof(*dev), &mt76x2_ops); + if (!mdev) return NULL; - dev = hw->priv; - dev->mt76.dev = pdev; - dev->mt76.hw = hw; - dev->mt76.drv = &drv_ops; + dev = container_of(mdev, struct mt76x2_dev, mt76); + mdev->dev = pdev; + mdev->drv = &drv_ops; mutex_init(&dev->mutex); spin_lock_init(&dev->irq_lock); - spin_lock_init(&dev->mt76.rx_lock); return dev; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c index dab713756004..b49aea4da2d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c @@ -301,6 +301,9 @@ int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb, u8 wcid; int len; + if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) + return -EINVAL; + if (rxinfo & MT_RXINFO_L2PAD) pad_len += 2; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c index 81c58f865c64..ce90ff999b49 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c @@ -104,7 +104,7 @@ mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) idx += 8; mvif->idx = idx; - mvif->group_wcid.idx = 254 - idx; + mvif->group_wcid.idx = MT_VIF_WCID(idx); mvif->group_wcid.hw_key_idx = -1; mt76x2_txq_init(dev, vif->txq); @@ -124,11 +124,14 @@ mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef) { int ret; + cancel_delayed_work_sync(&dev->cal_work); + + set_bit(MT76_RESET, &dev->mt76.state); + mt76_set_channel(&dev->mt76); tasklet_disable(&dev->pre_tbtt_tasklet); tasklet_disable(&dev->dfs_pd.dfs_tasklet); - cancel_delayed_work_sync(&dev->cal_work); mt76x2_mac_stop(dev, true); ret = mt76x2_phy_set_channel(dev, chandef); @@ -143,6 +146,10 @@ mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef) tasklet_enable(&dev->dfs_pd.dfs_tasklet); tasklet_enable(&dev->pre_tbtt_tasklet); + clear_bit(MT76_RESET, &dev->mt76.state); + + mt76_txq_schedule_all(&dev->mt76); + return ret; } @@ -247,8 +254,7 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int slottime = info->use_short_slot ? 9 : 20; dev->slottime = slottime; - mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, - MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); + mt76x2_set_tx_ackto(dev); } mutex_unlock(&dev->mutex); @@ -453,7 +459,6 @@ mt76x2_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) clear_bit(MT76_SCANNING, &dev->mt76.state); tasklet_enable(&dev->pre_tbtt_tasklet); - mt76_txq_schedule_all(&dev->mt76); } static void diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 7ecd2d7c5db4..e96956710fb2 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -332,7 +332,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq, if (probe) break; - if (test_bit(MT76_SCANNING, &dev->state) || + if (test_bit(MT76_OFFCHANNEL, &dev->state) || test_bit(MT76_RESET, &dev->state)) return -EBUSY; @@ -385,7 +385,7 @@ restart: bool empty = false; int cur; - if (test_bit(MT76_SCANNING, &dev->state) || + if (test_bit(MT76_OFFCHANNEL, &dev->state) || test_bit(MT76_RESET, &dev->state)) return -EBUSY; |
