diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-10-24 21:14:16 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-02-16 20:06:51 +0100 |
| commit | b10d6044599d8c1fa7fbb2374bcbf30118d39db1 (patch) | |
| tree | 3fc84f92c14dfa7178487b71e1b8d63c2b688439 /target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch | |
| parent | 299b8554183791b325e393c880d32360d7d72f73 (diff) | |
| download | upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.gz upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.bz2 upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.zip | |
kernel: add linux 5.10 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch b/target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch new file mode 100644 index 0000000000..d81d4bf5f4 --- /dev/null +++ b/target/linux/generic/pending-5.10/770-13-net-ethernet-mtk_eth_soc-fix-parsing-packets-in-GDM.patch @@ -0,0 +1,67 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sun, 13 Sep 2020 08:17:02 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: fix parsing packets in GDM + +When using DSA, set the special tag in GDM ingress control to allow the MAC +to parse packets properly earlier. This affects rx DMA source port reporting. + +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 +@@ -19,6 +19,7 @@ + #include <linux/interrupt.h> + #include <linux/pinctrl/devinfo.h> + #include <linux/phylink.h> ++#include <net/dsa.h> + + #include "mtk_eth_soc.h" + +@@ -1263,13 +1264,12 @@ static int mtk_poll_rx(struct napi_struc + break; + + /* find out which mac the packet come from. values start at 1 */ +- if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) || ++ (trxd.rxd4 & RX_DMA_SPECIAL_TAG)) + mac = 0; +- } else { +- mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & +- RX_DMA_FPORT_MASK; +- mac--; +- } ++ else ++ mac = ((trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & ++ RX_DMA_FPORT_MASK) - 1; + + if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT || + !eth->netdev[mac])) +@@ -2251,6 +2251,9 @@ static void mtk_gdm_config(struct mtk_et + + val |= config; + ++ if (!i && eth->netdev[0] && netdev_uses_dsa(eth->netdev[0])) ++ val |= MTK_GDMA_SPECIAL_TAG; ++ + mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); + } + /* Reset and enable PSE */ +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -82,6 +82,7 @@ + + /* GDM Exgress Control Register */ + #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000)) ++#define MTK_GDMA_SPECIAL_TAG BIT(24) + #define MTK_GDMA_ICS_EN BIT(22) + #define MTK_GDMA_TCS_EN BIT(21) + #define MTK_GDMA_UCS_EN BIT(20) +@@ -311,6 +312,7 @@ + #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ + #define RX_DMA_FPORT_SHIFT 19 + #define RX_DMA_FPORT_MASK 0x7 ++#define RX_DMA_SPECIAL_TAG BIT(22) + + /* PHY Indirect Access Control registers */ + #define MTK_PHY_IAC 0x10004 |