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wifi: mt76: add rx_check callback for usb devices
Introduce rx_check callback support for mt7663u and mt7921u drivers. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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5 changed files with 28 additions and 0 deletions
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@ -119,6 +119,7 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
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.tx_complete_skb = mt7663_usb_sdio_tx_complete_skb,
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.tx_status_data = mt7663_usb_sdio_tx_status_data,
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.rx_skb = mt7615_queue_rx_skb,
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.rx_check = mt7615_rx_check,
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.sta_ps = mt7615_sta_ps,
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.sta_add = mt7615_mac_sta_add,
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.sta_remove = mt7615_mac_sta_remove,
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@ -554,6 +554,26 @@ void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data)
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}
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EXPORT_SYMBOL_GPL(mt7921_mac_add_txs);
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bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len)
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{
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struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
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__le32 *rxd = (__le32 *)data;
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__le32 *end = (__le32 *)&rxd[len / 4];
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enum rx_pkt_type type;
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type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
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switch (type) {
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case PKT_TYPE_TXS:
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for (rxd += 2; rxd + 8 <= end; rxd += 8)
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mt7921_mac_add_txs(dev, rxd);
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return false;
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default:
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return true;
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}
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}
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EXPORT_SYMBOL_GPL(mt7921_rx_check);
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void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
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struct sk_buff *skb)
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{
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@ -380,6 +380,7 @@ int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
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void mt7921_tx_worker(struct mt76_worker *w);
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void mt7921_tx_token_put(struct mt7921_dev *dev);
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bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len);
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void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
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struct sk_buff *skb);
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void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
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@ -183,6 +183,7 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
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.tx_complete_skb = mt7921_usb_sdio_tx_complete_skb,
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.tx_status_data = mt7921_usb_sdio_tx_status_data,
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.rx_skb = mt7921_queue_rx_skb,
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.rx_check = mt7921_rx_check,
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.sta_ps = mt7921_sta_ps,
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.sta_add = mt7921_mac_sta_add,
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.sta_assoc = mt7921_mac_sta_assoc,
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@ -528,6 +528,11 @@ mt76u_process_rx_entry(struct mt76_dev *dev, struct urb *urb,
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head_room = drv_flags & MT_DRV_RX_DMA_HDR ? 0 : MT_DMA_HDR_LEN;
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data_len = min_t(int, len, data_len - head_room);
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if (len == data_len &&
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dev->drv->rx_check && !dev->drv->rx_check(dev, data, data_len))
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return 0;
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skb = mt76u_build_rx_skb(dev, data, data_len, buf_size);
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if (!skb)
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return 0;
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