diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 8bd8b4fe1047..dd1a241c45d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1622,3 +1622,61 @@ void mt7921_coredump_work(struct work_struct *work) mt7921_reset(&dev->mt76); } + +/* usb_sdio */ +static void +mt7921_usb_sdio_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid, + enum mt76_txq_id qid, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, int pid, + struct sk_buff *skb) +{ + __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE); + + memset(txwi, 0, MT_SDIO_TXD_SIZE); + mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false); + skb_push(skb, MT_SDIO_TXD_SIZE); +} + +int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, + enum mt76_txq_id qid, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, + struct mt76_tx_info *tx_info) +{ + struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct ieee80211_key_conf *key = info->control.hw_key; + struct sk_buff *skb = tx_info->skb; + int err, pad, pktid, type; + + if (unlikely(tx_info->skb->len <= ETH_HLEN)) + return -EINVAL; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + if (sta) { + struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; + + if (time_after(jiffies, msta->last_txs + HZ / 4)) { + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + msta->last_txs = jiffies; + } + } + + pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb); + mt7921_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb); + + type = mt76_is_sdio(mdev) ? MT7921_SDIO_DATA : 0; + mt7921_skb_add_usb_sdio_hdr(dev, skb, type); + pad = round_up(skb->len, 4) - skb->len; + if (mt76_is_usb(mdev)) + pad += 4; + + err = mt76_skb_adjust_pad(skb, pad); + if (err) + /* Release pktid in case of error. */ + idr_remove(&wcid->pktid, pktid); + + return err; +} +EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb); |