redonkable
/
freescale-linux-fslc
1
0
Fork 0
Code Releases Activity

net: ethernet: mtk_eth_soc: fix RX VLAN offload 

[ Upstream commit 3f57d8c40f ]

The VLAN ID in the rx descriptor is only valid if the RX_DMA_VTAG bit is
set. Fixes frames wrongly marked with VLAN tags.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
[Ilya: fix commit message]
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pull/345/head^2
Felix Fietkau 2021-04-22 22:20:54 -07:00 committed by Greg Kroah-Hartman
parent 320c50ff84
commit 99d9989ee5
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mediatek/mtk_eth_soc.c
View File

@ -1319,7 +1319,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
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);

1
drivers/net/ethernet/mediatek/mtk_eth_soc.h
View File

@ -295,6 +295,7 @@
#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)