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11d88dee1c
Reorder and update existing patches
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 6407ef8d2b)
[rmilecki: rebase & fix mt76 compilation]
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
34 lines
959 B
Diff
34 lines
959 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Tue, 27 Dec 2022 15:02:51 +0100
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Subject: [PATCH] net: ethernet: mtk_eth_soc: ppe: fix L2 offloading with DSA
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untagging offload enabled
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Check for skb metadata in order to detect the case where the DSA header is not
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present.
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Fixes: 2d7605a72906 ("net: ethernet: mtk_eth_soc: enable hardware DSA untagging")
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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_ppe.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
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@@ -8,6 +8,7 @@
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#include <linux/platform_device.h>
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#include <linux/if_ether.h>
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#include <linux/if_vlan.h>
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+#include <net/dst_metadata.h>
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#include <net/dsa.h>
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#include "mtk_eth_soc.h"
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#include "mtk_ppe.h"
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@@ -835,7 +836,9 @@ void __mtk_ppe_check_skb(struct mtk_ppe
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skb->dev->dsa_ptr->tag_ops->proto != DSA_TAG_PROTO_MTK)
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goto out;
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- tag += 4;
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+ if (!skb_metadata_dst(skb))
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+ tag += 4;
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+
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if (get_unaligned_be16(tag) != ETH_P_8021Q)
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break;
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