diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 9e757684816d..93949139e62c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -613,7 +613,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, struct mtk_mac *mac = netdev_priv(dev); struct mtk_eth *eth = mac->hw; struct mtk_tx_dma *itxd, *txd; - struct mtk_tx_buf *tx_buf; + struct mtk_tx_buf *itx_buf, *tx_buf; dma_addr_t mapped_addr; unsigned int nr_frags; int i, n_desc = 1; @@ -627,8 +627,8 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, fport = (mac->id + 1) << TX_DMA_FPORT_SHIFT; txd4 |= fport; - tx_buf = mtk_desc_to_tx_buf(ring, itxd); - memset(tx_buf, 0, sizeof(*tx_buf)); + itx_buf = mtk_desc_to_tx_buf(ring, itxd); + memset(itx_buf, 0, sizeof(*itx_buf)); if (gso) txd4 |= TX_DMA_TSO; @@ -647,9 +647,11 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, return -ENOMEM; WRITE_ONCE(itxd->txd1, mapped_addr); - tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); - dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); + itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; + itx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : + MTK_TX_FLAGS_FPORT1; + dma_unmap_addr_set(itx_buf, dma_addr0, mapped_addr); + dma_unmap_len_set(itx_buf, dma_len0, skb_headlen(skb)); /* TX SG offload */ txd = itxd; @@ -685,11 +687,13 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, last_frag * TX_DMA_LS0)); WRITE_ONCE(txd->txd4, fport); - tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; tx_buf = mtk_desc_to_tx_buf(ring, txd); memset(tx_buf, 0, sizeof(*tx_buf)); - + tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; tx_buf->flags |= MTK_TX_FLAGS_PAGE0; + tx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : + MTK_TX_FLAGS_FPORT1; + dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); dma_unmap_len_set(tx_buf, dma_len0, frag_map_size); frag_size -= frag_map_size; @@ -698,7 +702,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, } /* store skb to cleanup */ - tx_buf->skb = skb; + itx_buf->skb = skb; WRITE_ONCE(itxd->txd4, txd4); WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | @@ -1012,17 +1016,16 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget) while ((cpu != dma) && budget) { u32 next_cpu = desc->txd2; - int mac; + int mac = 0; desc = mtk_qdma_phys_to_virt(ring, desc->txd2); if ((desc->txd3 & TX_DMA_OWNER_CPU) == 0) break; - mac = (desc->txd4 >> TX_DMA_FPORT_SHIFT) & - TX_DMA_FPORT_MASK; - mac--; - tx_buf = mtk_desc_to_tx_buf(ring, desc); + if (tx_buf->flags & MTK_TX_FLAGS_FPORT1) + mac = 1; + skb = tx_buf->skb; if (!skb) { condition = 1; |