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net: ethernet: mtk_eth_soc: rely on txd_size in txd_to_idx

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This is a preliminary patch to add mt7986 ethernet support.

Tested-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Bianconi 2022-05-20 20:11:31 +02:00 • committed by David S. Miller
parent c4fd06c2bb
commit e70a5634c1
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/mediatek/mtk_eth_soc.c
View file

@ -876,9 +876,10 @@ static struct mtk_tx_dma *qdma_to_pdma(struct mtk_tx_ring *ring,
return ring->dma_pdma - ring->dma + dma;
}
static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma)
static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma,
u32 txd_size)
{
return ((void *)dma - (void *)ring->dma) / sizeof(*dma);
return ((void *)dma - (void *)ring->dma) / txd_size;
}
static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf,
@ -1094,8 +1095,10 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
!netdev_xmit_more())
mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR);
} else {
int next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd),
ring->dma_size);
int next_idx;
next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd, soc->txrx.txd_size),
ring->dma_size);
mtk_w32(eth, next_idx, MT7628_TX_CTX_IDX0);
}