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path: root/target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch
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Diffstat (limited to 'target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch')
-rw-r--r--target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch b/target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch
new file mode 100644
index 0000000000..f04b07fa53
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0400-eth-fix-rx-vlan-hw-offload.patch
@@ -0,0 +1,23 @@
+diff -urN a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c 2020-03-31 16:05:24.398403054 +0800
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c 2020-03-31 16:05:39.142008780 +0800
+@@ -1284,7 +1284,7 @@
+ skb->protocol = eth_type_trans(skb, netdev);
+
+ if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
+- RX_DMA_VID(trxd.rxd3))
++ (trxd.rxd2 & RX_DMA_VTAG))
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ RX_DMA_VID(trxd.rxd3));
+ skb_record_rx_queue(skb, 0);
+diff -urN a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h 2020-03-31 16:05:29.726260583 +0800
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h 2020-03-31 16:05:43.493892389 +0800
+@@ -293,6 +293,7 @@
+ #define RX_DMA_LSO BIT(30)
+ #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
+ #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
++#define RX_DMA_VTAG BIT(15)
+
+ /* QDMA descriptor rxd3 */
+ #define RX_DMA_VID(_x) ((_x) & 0xfff)