summaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorLorenzo Bianconi <lorenzo@kernel.org>2022-05-20 21:11:33 +0300
committerDavid S. Miller <davem@davemloft.net>2022-05-23 00:24:32 +0300
commit649a752775c26bb9f9d163aa1102ab9cc5941496 (patch)
treef01c6c4f69b437f7cd575ee08562744582301f45 /drivers/net
parent670ff7dabbb0f317305fa8ccdc87ac88d0c87809 (diff)
downloadlinux-649a752775c26bb9f9d163aa1102ab9cc5941496.tar.xz
net: ethernet: mtk_eth_soc: rely on txd_size field in mtk_poll_tx/mtk_poll_rx
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 7c4e63cc7c2a..c7820dbc75f1 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -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);