f0cc5f6c0a
Backport upstream changes to initialize GDM settings and reset PPE Allow GMAC to recognize the special tag to fix PPE packet parsing Improve GRO performance by passing PPE L4 hash as skb hash Signed-off-by: Felix Fietkau <nbd@nbd.name>
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 26 Aug 2020 16:52:12 +0200
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Subject: [PATCH] net: ethernet: mtk_eth_soc: fix rx vlan offload
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The VLAN ID in the rx descriptor is only valid if the RX_DMA_VID bit is set
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Fixes frames wrongly marked with VLAN tags
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -1320,7 +1320,7 @@ static int mtk_poll_rx(struct napi_struc
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skb->protocol = eth_type_trans(skb, netdev);
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if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
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- RX_DMA_VID(trxd.rxd3))
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+ (trxd.rxd2 & RX_DMA_VTAG))
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__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
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RX_DMA_VID(trxd.rxd3));
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skb_record_rx_queue(skb, 0);
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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@@ -295,6 +295,7 @@
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#define RX_DMA_LSO BIT(30)
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#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
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#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
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+#define RX_DMA_VTAG BIT(15)
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/* QDMA descriptor rxd3 */
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#define RX_DMA_VID(_x) ((_x) & 0xfff)
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