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wifi: mt76: introduce rxwi and rx token utility routines

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This is a preliminary patch to introduce WED RX support for mt7915.

Tested-by: Daniel Golle <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Sujuan Chen
2022-11-23 13:11:29 +01:00
committed by Felix Fietkau
parent 3b8eed9c38
commit 417cca39ba
5 changed files with 126 additions and 1 deletions
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tx.c
+30
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@@ -751,6 +751,23 @@ int mt76_token_consume(struct mt76_dev *dev, struct mt76_txwi_cache **ptxwi)
}
EXPORT_SYMBOL_GPL(mt76_token_consume);
int mt76_rx_token_consume(struct mt76_dev *dev, void *ptr,
struct mt76_txwi_cache *t, dma_addr_t phys)
{
int token;
spin_lock_bh(&dev->rx_token_lock);
token = idr_alloc(&dev->rx_token, t, 0, dev->rx_token_size,
GFP_ATOMIC);
spin_unlock_bh(&dev->rx_token_lock);
t->ptr = ptr;
t->dma_addr = phys;
return token;
}
EXPORT_SYMBOL_GPL(mt76_rx_token_consume);
struct mt76_txwi_cache *
mt76_token_release(struct mt76_dev *dev, int token, bool *wake)
{
@@ -779,3 +796,16 @@ mt76_token_release(struct mt76_dev *dev, int token, bool *wake)
return txwi;
}
EXPORT_SYMBOL_GPL(mt76_token_release);
struct mt76_txwi_cache *
mt76_rx_token_release(struct mt76_dev *dev, int token)
{
struct mt76_txwi_cache *t;
spin_lock_bh(&dev->rx_token_lock);
t = idr_remove(&dev->rx_token, token);
spin_unlock_bh(&dev->rx_token_lock);
return t;
}
EXPORT_SYMBOL_GPL(mt76_rx_token_release);