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Commit 6ca66722 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: dma: introduce skb field in mt76_txwi_cache 



Introduce skb field in mt76_txwi_cache. Moreover add txwi_flags
to mt76_driver_ops since new chipsets will release mt76_txwi_cache/skbs
at tx completion instead of dma one.
This is a preliminary patch to add mt7615 support

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent cfaae9e6

drivers/net/wireless/mediatek/mt76/dma.c

+2 −1
Original line number Diff line number Diff line
@@ -174,6 +174,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush) 
			dev->drv->tx_complete_skb(dev, qid, &entry);



		if (entry.txwi) {

			if (!(dev->drv->txwi_flags & MT_TXWI_NO_FREE))

				mt76_put_txwi(dev, entry.txwi);

			wake = !flush;

		}

drivers/net/wireless/mediatek/mt76/mt76.h

+5 −0
Original line number Diff line number Diff line
@@ -232,6 +232,8 @@ struct mt76_txq { 
struct mt76_txwi_cache {

	struct list_head list;

	dma_addr_t dma_addr;



	struct sk_buff *skb;

};



struct mt76_rx_tid {
@@ -285,8 +287,11 @@ struct mt76_hw_cap { 
	bool has_5ghz;

};



#define MT_TXWI_NO_FREE			BIT(0)



struct mt76_driver_ops {

	bool tx_aligned4_skbs;

	u32 txwi_flags;

	u16 txwi_size;



	void (*update_survey)(struct mt76_dev *dev);

drivers/net/wireless/mediatek/mt76/tx.c

+1 −0
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t) 
	list_add(&t->list, &dev->txwi_cache);

	spin_unlock_bh(&dev->lock);

}

EXPORT_SYMBOL_GPL(mt76_put_txwi);



void mt76_tx_free(struct mt76_dev *dev)

{