4 files changed, 20 insertions, 7 deletions

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index d7d73295f0dc..cae46290a7ae 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1710,7 +1710,7 @@ static struct page_pool *mtk_create_page_pool(struct mtk_eth *eth,
 	if (IS_ERR(pp))
 		return pp;
 
-	err = __xdp_rxq_info_reg(xdp_q, &eth->dummy_dev, id,
+	err = __xdp_rxq_info_reg(xdp_q, eth->dummy_dev, id,
 				 eth->rx_napi.napi_id, PAGE_SIZE);
 	if (err < 0)
 		goto err_free_pp;
@@ -4055,7 +4055,7 @@ static int mtk_change_mtu(struct net_device *dev, int new_mtu)
 	}
 
 	mtk_set_mcr_max_rx(mac, length);
-	dev->mtu = new_mtu;
+	WRITE_ONCE(dev->mtu, new_mtu);
 
 	return 0;
 }
@@ -4188,6 +4188,8 @@ static int mtk_free_dev(struct mtk_eth *eth)
 		metadata_dst_free(eth->dsa_meta[i]);
 	}
 
+	free_netdev(eth->dummy_dev);
+
 	return 0;
 }
 
@@ -4983,9 +4985,14 @@ static int mtk_probe(struct platform_device *pdev)
 	/* we run 2 devices on the same DMA ring so we need a dummy device
 	 * for NAPI to work
 	 */
-	init_dummy_netdev(&eth->dummy_dev);
-	netif_napi_add(&eth->dummy_dev, &eth->tx_napi, mtk_napi_tx);
-	netif_napi_add(&eth->dummy_dev, &eth->rx_napi, mtk_napi_rx);
+	eth->dummy_dev = alloc_netdev_dummy(0);
+	if (!eth->dummy_dev) {
+		err = -ENOMEM;
+		dev_err(eth->dev, "failed to allocated dummy device\n");
+		goto err_unreg_netdev;
+	}
+	netif_napi_add(eth->dummy_dev, &eth->tx_napi, mtk_napi_tx);
+	netif_napi_add(eth->dummy_dev, &eth->rx_napi, mtk_napi_rx);
 
 	platform_set_drvdata(pdev, eth);
 	schedule_delayed_work(&eth->reset.monitor_work,
@@ -4993,6 +5000,8 @@ static int mtk_probe(struct platform_device *pdev)
 
 	return 0;
 
+err_unreg_netdev:
+	mtk_unreg_dev(eth);
 err_deinit_ppe:
 	mtk_ppe_deinit(eth);
 	mtk_mdio_cleanup(eth);
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 39b50de1decb..4eab30b44070 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1245,7 +1245,7 @@ struct mtk_eth {
 	spinlock_t			page_lock;
 	spinlock_t			tx_irq_lock;
 	spinlock_t			rx_irq_lock;
-	struct net_device		dummy_dev;
+	struct net_device		*dummy_dev;
 	struct net_device		*netdev[MTK_MAX_DEVS];
 	struct mtk_mac			*mac[MTK_MAX_DEVS];
 	int				irq[3];
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index 6ce0db3a1a92..0acee405a749 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -580,7 +580,7 @@ mtk_flow_entry_update_l2(struct mtk_ppe *ppe, struct mtk_flow_entry *entry)
 
 		idle = cur_idle;
 		entry->data.ib1 &= ~ib1_ts_mask;
-		entry->data.ib1 |= hwe->ib1 & ib1_ts_mask;
+		entry->data.ib1 |= ib1 & ib1_ts_mask;
 	}
 }
 
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
index fbb5e9d5af13..aa262e6f4b85 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -273,6 +273,10 @@ mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f,
 
 		flow_rule_match_control(rule, &match);
 		addr_type = match.key->addr_type;
+
+		if (flow_rule_has_control_flags(match.mask->flags,
+						f->common.extack))
+			return -EOPNOTSUPP;
 	} else {
 		return -EOPNOTSUPP;
 	}