diff options
| author | Felix Fietkau <nbd@nbd.name> | 2023-03-30 15:08:39 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-03-30 21:44:59 +0300 |
| commit | 5f36ca1b841fb17a20249fd9fedafc7dc7fdd940 (patch) | |
| tree | 1a5c08e5676882c10f7f58e783576b4691b14e49 /drivers/net/ethernet | |
| parent | 8c1cb87c2a5c29da416848451a687473f379611c (diff) | |
| download | linux-5f36ca1b841fb17a20249fd9fedafc7dc7fdd940.tar.xz | |
net: ethernet: mtk_eth_soc: fix L2 offloading with DSA untag offload
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")
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230330120840.52079-2-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe.c | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 1835d92afe4b..282f9435d5ff 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2057,9 +2057,6 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, 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); - if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) { if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { if (trxd.rxd3 & RX_DMA_VTAG_V2) { @@ -2087,6 +2084,9 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vlan_tci); } + 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); diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 6883eb34cd8b..a038b99ecbda 100644 --- 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" @@ -699,7 +700,9 @@ void __mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash) 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; |