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kernel: fix vlan parsing issue in mediatek ethernet driver

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Check the vlan rx offload flag
Sync features across netdevs

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2022-11-10 13:20:55 +01:00
parent ddf736e543
commit 7bd314a577
2 changed files with 22 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
target/linux/generic/pending-5.15/732-09-net-ethernet-mtk_eth_soc-fix-VLAN-rx-hardware-accele.patch
View File

@ -22,28 +22,14 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
#include "mtk_eth_soc.h"
#include "mtk_wed.h"
@@ -1960,23 +1961,27 @@ static int mtk_poll_rx(struct napi_struc
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)
- __vlan_hwaccel_put_tag(skb,
- htons(RX_DMA_VPID(trxd.rxd4)),
- RX_DMA_VID(trxd.rxd4));
- } else if (trxd.rxd2 & RX_DMA_VTAG) {
@@ -1967,16 +1968,22 @@ static int mtk_poll_rx(struct napi_struc
htons(RX_DMA_VPID(trxd.rxd4)),
RX_DMA_VID(trxd.rxd4));
} else if (trxd.rxd2 & RX_DMA_VTAG) {
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
- RX_DMA_VID(trxd.rxd3));
- }
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
+ if (trxd.rxd3 & RX_DMA_VTAG_V2)
+ __vlan_hwaccel_put_tag(skb,
+ htons(RX_DMA_VPID(trxd.rxd4)),
+ RX_DMA_VID(trxd.rxd4));
+ } else if (trxd.rxd2 & RX_DMA_VTAG) {
+ __vlan_hwaccel_put_tag(skb, htons(RX_DMA_VPID(trxd.rxd3)),
+ RX_DMA_VID(trxd.rxd3));
RX_DMA_VID(trxd.rxd3));
}
+ }
+
+ /* When using VLAN untagging in combination with DSA, the
@ -51,10 +37,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ */
+ if (skb_vlan_tag_present(skb) && netdev_uses_dsa(netdev)) {
+ unsigned int port = ntohs(skb->vlan_proto) & GENMASK(2, 0);
+
+ if (port < ARRAY_SIZE(eth->dsa_meta) &&
+ eth->dsa_meta[port])
+ skb_dst_set_noref(skb, &eth->dsa_meta[port]->dst);
- /* If the device is attached to a dsa switch, the special
- * tag inserted in VLAN field by hw switch can * be offloaded
@ -62,11 +44,15 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
- */
- if (netdev_uses_dsa(netdev))
- __vlan_hwaccel_clear_tag(skb);
+ if (port < ARRAY_SIZE(eth->dsa_meta) &&
+ eth->dsa_meta[port])
+ skb_dst_set_noref(skb, &eth->dsa_meta[port]->dst);
+
+ __vlan_hwaccel_clear_tag(skb);
}
skb_record_rx_queue(skb, 0);
@@ -2793,15 +2798,19 @@ static netdev_features_t mtk_fix_feature
@@ -2793,15 +2800,25 @@ static netdev_features_t mtk_fix_feature
static int mtk_set_features(struct net_device *dev, netdev_features_t features)
{
@ -77,6 +63,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ struct mtk_mac *mac = netdev_priv(dev);
+ struct mtk_eth *eth = mac->hw;
+ netdev_features_t diff = dev->features ^ features;
+ int i;
- if (!(features & NETIF_F_LRO))
+ if ((diff & NETIF_F_LRO) && !(features & NETIF_F_LRO))
@ -88,11 +75,16 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ mtk_w32(eth, !!(features & NETIF_F_HW_VLAN_CTAG_RX),
+ MTK_CDMP_EG_CTRL);
+
+ /* sync features with other MAC */
+ for (i = 0; i < MTK_MAC_COUNT; i++)
+ if (eth->netdev[i] && eth->netdev[i] != dev)
+ eth->netdev[i]->features = features;
+
+ return 0;
}
/* wait for DMA to finish whatever it is doing before we start using it again */
@@ -3083,11 +3092,45 @@ found:
@@ -3083,11 +3100,45 @@ found:
return NOTIFY_DONE;
}
@ -139,7 +131,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0);
if (err) {
@@ -3417,6 +3460,10 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -3417,6 +3468,10 @@ static int mtk_hw_init(struct mtk_eth *e
*/
val = mtk_r32(eth, MTK_CDMQ_IG_CTRL);
mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL);
@ -150,7 +142,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* Enable RX VLan Offloading */
mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
@@ -3634,6 +3681,12 @@ static int mtk_free_dev(struct mtk_eth *
@@ -3634,6 +3689,12 @@ static int mtk_free_dev(struct mtk_eth *
free_netdev(eth->netdev[i]);
}

2
target/linux/generic/pending-5.15/732-12-net-ethernet-mtk_eth_soc-drop-packets-to-WDMA-if-the.patch
View File

@ -11,7 +11,7 @@ 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
@@ -3516,9 +3516,12 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -3524,9 +3524,12 @@ static int mtk_hw_init(struct mtk_eth *e
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {