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net: ethernet: mtk_eth_soc: rely on txd_size field in mtk_poll_tx/mtk_poll_rx

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This is a preliminary to ad 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 20:11:33 +02:00 committed by David S. Miller
parent 670ff7dabb
commit 649a752775
1 changed files with 6 additions and 3 deletions
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9
drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@ -1235,9 +1235,12 @@ static struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth)
return &eth->rx_ring[0];
for (i = 0; i < MTK_MAX_RX_RING_NUM; i++) {
struct mtk_rx_dma *rxd;
ring = &eth->rx_ring[i];
idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size);
if (ring->dma[idx].rxd2 & RX_DMA_DONE) {
rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size;
if (rxd->rxd2 & RX_DMA_DONE) {
ring->calc_idx_update = true;
return ring;
}
@ -1288,7 +1291,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
goto rx_done;
idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size);
rxd = &ring->dma[idx];
rxd = (void *)ring->dma + idx * eth->soc->txrx.rxd_size;
data = ring->data[idx];
if (!mtk_rx_get_desc(&trxd, rxd))
@ -1477,7 +1480,7 @@ static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget,
mtk_tx_unmap(eth, tx_buf, true);
desc = &ring->dma[cpu];
desc = (void *)ring->dma + cpu * eth->soc->txrx.txd_size;
ring->last_free = desc;
atomic_inc(&ring->free_count);