diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | 185 |
1 files changed, 29 insertions, 156 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index 4fe5a83ca5a4..56510a1a843a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -218,10 +218,17 @@ mt76x02_mac_tx_rate_val(struct mt76x02_dev *dev, void mt76x02_mac_wcid_set_rate(struct mt76x02_dev *dev, struct mt76_wcid *wcid, const struct ieee80211_tx_rate *rate) { - spin_lock_bh(&dev->mt76.lock); - wcid->tx_rate = mt76x02_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss); - wcid->tx_rate_set = true; - spin_unlock_bh(&dev->mt76.lock); + s8 max_txpwr_adj = mt76x02_tx_get_max_txpwr_adj(dev, rate); + __le16 rateval; + u32 tx_info; + s8 nss; + + rateval = mt76x02_mac_tx_rate_val(dev, rate, &nss); + tx_info = FIELD_PREP(MT_WCID_TX_INFO_RATE, rateval) | + FIELD_PREP(MT_WCID_TX_INFO_NSS, nss) | + FIELD_PREP(MT_WCID_TX_INFO_TXPWR_ADJ, max_txpwr_adj) | + MT_WCID_TX_INFO_SET; + wcid->tx_info = tx_info; } void mt76x02_mac_set_short_preamble(struct mt76x02_dev *dev, bool enable) @@ -323,6 +330,7 @@ void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *rate = &info->control.rates[0]; struct ieee80211_key_conf *key = info->control.hw_key; + u32 wcid_tx_info; u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2)); u16 txwi_flags = 0; u8 nss; @@ -357,16 +365,16 @@ void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi, txwi->eiv = *((__le32 *)&ccmp_pn[4]); } - spin_lock_bh(&dev->mt76.lock); if (wcid && (rate->idx < 0 || !rate->count)) { - txwi->rate = wcid->tx_rate; - max_txpwr_adj = wcid->max_txpwr_adj; - nss = wcid->tx_rate_nss; + wcid_tx_info = wcid->tx_info; + txwi->rate = FIELD_GET(MT_WCID_TX_INFO_RATE, wcid_tx_info); + max_txpwr_adj = FIELD_GET(MT_WCID_TX_INFO_TXPWR_ADJ, + wcid_tx_info); + nss = FIELD_GET(MT_WCID_TX_INFO_NSS, wcid_tx_info); } else { txwi->rate = mt76x02_mac_tx_rate_val(dev, rate, &nss); max_txpwr_adj = mt76x02_tx_get_max_txpwr_adj(dev, rate); } - spin_unlock_bh(&dev->mt76.lock); txpwr_adj = mt76x02_tx_get_txpwr_adj(dev, dev->mt76.txpower_conf, max_txpwr_adj); @@ -731,7 +739,6 @@ int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, void mt76x02_mac_poll_tx_status(struct mt76x02_dev *dev, bool irq) { struct mt76x02_tx_status stat = {}; - unsigned long flags; u8 update = 1; bool ret; @@ -741,9 +748,11 @@ void mt76x02_mac_poll_tx_status(struct mt76x02_dev *dev, bool irq) trace_mac_txstat_poll(dev); while (!irq || !kfifo_is_full(&dev->txstatus_fifo)) { - spin_lock_irqsave(&dev->mt76.mmio.irq_lock, flags); + if (!spin_trylock(&dev->txstatus_fifo_lock)) + break; + ret = mt76x02_mac_load_tx_status(dev, &stat); - spin_unlock_irqrestore(&dev->mt76.mmio.irq_lock, flags); + spin_unlock(&dev->txstatus_fifo_lock); if (!ret) break; @@ -757,11 +766,12 @@ void mt76x02_mac_poll_tx_status(struct mt76x02_dev *dev, bool irq) } } -void mt76x02_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, - struct mt76_queue_entry *e, bool flush) +void mt76x02_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid, + struct mt76_queue_entry *e) { struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); struct mt76x02_txwi *txwi; + u8 *txwi_ptr; if (!e->txwi) { dev_kfree_skb_any(e->skb); @@ -770,7 +780,8 @@ void mt76x02_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, mt76x02_mac_poll_tx_status(dev, false); - txwi = (struct mt76x02_txwi *) &e->txwi->txwi; + txwi_ptr = mt76_get_txwi_ptr(mdev, e->txwi); + txwi = (struct mt76x02_txwi *)txwi_ptr; trace_mac_txdone_add(dev, txwi->wcid, txwi->pktid); mt76_tx_complete_skb(mdev, e->skb); @@ -1021,7 +1032,7 @@ static void mt76x02_edcca_check(struct mt76x02_dev *dev) void mt76x02_mac_work(struct work_struct *work) { struct mt76x02_dev *dev = container_of(work, struct mt76x02_dev, - mac_work.work); + mt76.mac_work.work); int i, idx; mutex_lock(&dev->mt76.mutex); @@ -1034,7 +1045,7 @@ void mt76x02_mac_work(struct work_struct *work) dev->aggr_stats[idx++] += val >> 16; } - if (!dev->beacon_mask) + if (!dev->mt76.beacon_mask) mt76x02_check_mac_err(dev); if (dev->ed_monitor) @@ -1044,7 +1055,7 @@ void mt76x02_mac_work(struct work_struct *work) mt76_tx_status_check(&dev->mt76, NULL, false); - ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work, + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work, MT_MAC_WORK_INTERVAL); } @@ -1055,141 +1066,3 @@ void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr) mt76_rmw_field(dev, MT_MAC_APC_BSSID_H(idx), MT_MAC_APC_BSSID_H_ADDR, get_unaligned_le16(addr + 4)); } - -static int -mt76x02_write_beacon(struct mt76x02_dev *dev, int offset, struct sk_buff *skb) -{ - int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; - struct mt76x02_txwi txwi; - - if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x02_txwi))) - return -ENOSPC; - - mt76x02_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len); - - mt76_wr_copy(dev, offset, &txwi, sizeof(txwi)); - offset += sizeof(txwi); - - mt76_wr_copy(dev, offset, skb->data, skb->len); - return 0; -} - -static int -__mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 bcn_idx, - struct sk_buff *skb) -{ - int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; - int beacon_addr = mt76x02_beacon_offsets[bcn_idx]; - int ret = 0; - int i; - - /* Prevent corrupt transmissions during update */ - mt76_set(dev, MT_BCN_BYPASS_MASK, BIT(bcn_idx)); - - if (skb) { - ret = mt76x02_write_beacon(dev, beacon_addr, skb); - if (!ret) - dev->beacon_data_mask |= BIT(bcn_idx); - } else { - dev->beacon_data_mask &= ~BIT(bcn_idx); - for (i = 0; i < beacon_len; i += 4) - mt76_wr(dev, beacon_addr + i, 0); - } - - mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xff00 | ~dev->beacon_data_mask); - - return ret; -} - -int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, - struct sk_buff *skb) -{ - bool force_update = false; - int bcn_idx = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(dev->beacons); i++) { - if (vif_idx == i) { - force_update = !!dev->beacons[i] ^ !!skb; - - if (dev->beacons[i]) - dev_kfree_skb(dev->beacons[i]); - - dev->beacons[i] = skb; - __mt76x02_mac_set_beacon(dev, bcn_idx, skb); - } else if (force_update && dev->beacons[i]) { - __mt76x02_mac_set_beacon(dev, bcn_idx, - dev->beacons[i]); - } - - bcn_idx += !!dev->beacons[i]; - } - - for (i = bcn_idx; i < ARRAY_SIZE(dev->beacons); i++) { - if (!(dev->beacon_data_mask & BIT(i))) - break; - - __mt76x02_mac_set_beacon(dev, i, NULL); - } - - mt76_rmw_field(dev, MT_MAC_BSSID_DW1, MT_MAC_BSSID_DW1_MBEACON_N, - bcn_idx - 1); - return 0; -} - -static void -__mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx, - bool val, struct sk_buff *skb) -{ - u8 old_mask = dev->beacon_mask; - bool en; - u32 reg; - - if (val) { - dev->beacon_mask |= BIT(vif_idx); - if (skb) - mt76x02_mac_set_beacon(dev, vif_idx, skb); - } else { - dev->beacon_mask &= ~BIT(vif_idx); - mt76x02_mac_set_beacon(dev, vif_idx, NULL); - } - - if (!!old_mask == !!dev->beacon_mask) - return; - - en = dev->beacon_mask; - - reg = MT_BEACON_TIME_CFG_BEACON_TX | - MT_BEACON_TIME_CFG_TBTT_EN | - MT_BEACON_TIME_CFG_TIMER_EN; - mt76_rmw(dev, MT_BEACON_TIME_CFG, reg, reg * en); - - if (mt76_is_usb(dev)) - return; - - mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, en); - if (en) - mt76x02_irq_enable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); - else - mt76x02_irq_disable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); -} - -void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, - struct ieee80211_vif *vif, bool val) -{ - u8 vif_idx = ((struct mt76x02_vif *)vif->drv_priv)->idx; - struct sk_buff *skb = NULL; - - if (mt76_is_mmio(dev)) - tasklet_disable(&dev->pre_tbtt_tasklet); - else if (val) - skb = ieee80211_beacon_get(mt76_hw(dev), vif); - - if (!dev->beacon_mask) - dev->tbtt_count = 0; - - __mt76x02_mac_set_beacon_enable(dev, vif_idx, val, skb); - - if (mt76_is_mmio(dev)) - tasklet_enable(&dev->pre_tbtt_tasklet); -} |