From 0d6f20723047c02bd624f0384df9dc74ee075bc7 Mon Sep 17 00:00:00 2001 From: Ilya Lipnitskiy Date: Fri, 23 Apr 2021 17:19:22 -0700 Subject: kernel: backport mtk_soc_eth fixes from v5.13 Fixes logic that leads to this error when booting mt7621 and other devices that use the mediatek ethernet driver: [ 23.144378] mtk_soc_eth 1e100000.ethernet: PPE table busy The rest are mostly moved from pending-5.10 to backport-5.10 with a couple of cleanups and improvements from upstream. Refresh patches. Links: https://git.kernel.org/netdev/net-next/c/c5d66587b890 https://git.kernel.org/netdev/net-next/c/3f57d8c40fea https://git.kernel.org/netdev/net-next/c/5196c4178549 https://git.kernel.org/netdev/net-next/c/787082ab9f7b https://git.kernel.org/netdev/net-next/c/c30c4a827390 https://git.kernel.org/netdev/net-next/c/3630d519d7c3 https://git.kernel.org/netdev/net-next/c/16ef670789b2 https://git.kernel.org/netdev/net-next/c/59555a8d0dd3 https://git.kernel.org/netdev/net-next/c/6b4423b258b9 https://git.kernel.org/netdev/net-next/c/e9229ffd550b https://git.kernel.org/netdev/net-next/c/4e6bf609569c https://git.kernel.org/netdev/net-next/c/816ac3e6e67b https://git.kernel.org/netdev/net-next/c/16769a8923fa https://git.kernel.org/netdev/net-next/c/db2c7b353db3 https://git.kernel.org/netdev/net-next/c/fa817272c37e https://git.kernel.org/netdev/net-next/c/3bc8e0aff23b Fixes: f07fe36f22fc ("kernel: update flow offload patches to upstream version") Cc: Felix Fietkau Signed-off-by: Ilya Lipnitskiy --- ...-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 target/linux/generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch (limited to 'target/linux/generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch') diff --git a/target/linux/generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch b/target/linux/generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch new file mode 100644 index 0000000000..7020fd7143 --- /dev/null +++ b/target/linux/generic/backport-5.10/610-v5.13-37-net-ethernet-mtk_eth_soc-fix-RX-VLAN-offload.patch @@ -0,0 +1,38 @@ +From 3f57d8c40fea9b20543cab4da12f4680d2ef182c Mon Sep 17 00:00:00 2001 +From: Felix Fietkau +Date: Thu, 22 Apr 2021 22:20:54 -0700 +Subject: [PATCH] net: ethernet: mtk_eth_soc: fix RX VLAN offload + +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 +[Ilya: fix commit message] +Signed-off-by: Ilya Lipnitskiy +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + + 2 files changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1319,7 +1319,7 @@ static int mtk_poll_rx(struct napi_struc + 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); +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -300,6 +300,7 @@ + #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) -- cgit v1.2.3