mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Date: Tue, 27 Dec 2022 15:02:51 +0100
|
|
Subject: [PATCH] net: ethernet: mtk_eth_soc: ppe: fix L2 offloading with DSA
|
|
untagging offload enabled
|
|
|
|
Check for skb metadata in order to detect the case where the DSA header is not
|
|
present.
|
|
|
|
Fixes: 2d7605a72906 ("net: ethernet: mtk_eth_soc: enable hardware DSA untagging")
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
|
|
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
@@ -1992,9 +1992,6 @@ static int mtk_poll_rx(struct napi_struc
|
|
skb_checksum_none_assert(skb);
|
|
skb->protocol = eth_type_trans(skb, netdev);
|
|
|
|
- if (reason == MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED)
|
|
- mtk_ppe_check_skb(eth->ppe[0], skb, hash);
|
|
-
|
|
/* When using VLAN untagging in combination with DSA, the
|
|
* hardware treats the MTK special tag as a VLAN and untags it.
|
|
*/
|
|
@@ -2007,6 +2004,9 @@ static int mtk_poll_rx(struct napi_struc
|
|
skb_dst_set_noref(skb, ð->dsa_meta[port]->dst);
|
|
}
|
|
|
|
+ if (reason == MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED)
|
|
+ mtk_ppe_check_skb(eth->ppe[0], skb, hash);
|
|
+
|
|
skb_record_rx_queue(skb, 0);
|
|
napi_gro_receive(napi, skb);
|
|
|
|
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
|
|
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
|
|
@@ -8,6 +8,7 @@
|
|
#include <linux/platform_device.h>
|
|
#include <linux/if_ether.h>
|
|
#include <linux/if_vlan.h>
|
|
+#include <net/dst_metadata.h>
|
|
#include <net/dsa.h>
|
|
#include "mtk_eth_soc.h"
|
|
#include "mtk_ppe.h"
|
|
@@ -756,7 +757,9 @@ void __mtk_ppe_check_skb(struct mtk_ppe
|
|
skb->dev->dsa_ptr->tag_ops->proto != DSA_TAG_PROTO_MTK)
|
|
goto out;
|
|
|
|
- tag += 4;
|
|
+ if (!skb_metadata_dst(skb))
|
|
+ tag += 4;
|
|
+
|
|
if (get_unaligned_be16(tag) != ETH_P_8021Q)
|
|
break;
|
|
|