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-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c14
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.h12
2 files changed, 18 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 50a6fe87e990..93949139e62c 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -648,6 +648,8 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
WRITE_ONCE(itxd->txd1, mapped_addr);
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));
@@ -689,6 +691,9 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
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;
@@ -1011,17 +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;
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 99b1c8e9f16f..08285a96ff70 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -406,12 +406,18 @@ struct mtk_hw_stats {
struct u64_stats_sync syncp;
};
-/* PDMA descriptor can point at 1-2 segments. This enum allows us to track how
- * memory was allocated so that it can be freed properly
- */
enum mtk_tx_flags {
+ /* PDMA descriptor can point at 1-2 segments. This enum allows us to
+ * track how memory was allocated so that it can be freed properly.
+ */
MTK_TX_FLAGS_SINGLE0 = 0x01,
MTK_TX_FLAGS_PAGE0 = 0x02,
+
+ /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted
+ * SKB out instead of looking up through hardware TX descriptor.
+ */
+ MTK_TX_FLAGS_FPORT0 = 0x04,
+ MTK_TX_FLAGS_FPORT1 = 0x08,
};
/* This enum allows us to identify how the clock is defined on the array of the