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mt76: set txwi_size according to the driver value

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Dynamically allocate txwi since new chipsets will use longer txwi
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2019-04-02 11:47:56 +02:00
committed by Felix Fietkau
parent ce0fd82589
commit f3950a4141
5 changed files with 22 additions and 13 deletions
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8
drivers/net/wireless/mediatek/mt76/dma.c
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@@ -296,12 +296,14 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
struct mt76_txwi_cache *t;
struct sk_buff *iter;
dma_addr_t addr;
u8 *txwi;
t = mt76_get_txwi(dev);
if (!t) {
ieee80211_free_txskb(dev->hw, skb);
return -ENOMEM;
}
txwi = mt76_get_txwi_ptr(dev, t);
skb->prev = skb->next = NULL;
if (dev->drv->tx_aligned4_skbs)
@@ -331,11 +333,11 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
}
tx_info.nbuf = n;
dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi),
dma_sync_single_for_cpu(dev->dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, qid, wcid, sta,
ret = dev->drv->tx_prepare_skb(dev, txwi, skb, qid, wcid, sta,
&tx_info);
dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi),
dma_sync_single_for_device(dev->dev, t->dma_addr, dev->drv->txwi_size,
DMA_TO_DEVICE);
if (ret < 0)
goto unmap;