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kernel: fix mtk_eth_soc issue when using secondary GMAC on MT7621/MT7622

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The CDMQ ingress special tag flag needs to be set for 7986 even without DSA
untag offload, otherwise tx checksum offload seems to break

Fixes: 9b482ee22f ("kernel: add more fixes for mtk_eth_soc")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2022-11-25 01:56:29 +01:00
parent c1d1202e67
commit 3dff6b53db
2 changed files with 5 additions and 9 deletions
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10
target/linux/generic/pending-5.15/732-14-net-ethernet-mtk_eth_soc-drop-generic-vlan-rx-offloa.patch
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@@ -111,7 +111,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0);
if (err) {
netdev_err(dev, "%s: could not attach PHY: %d\n", __func__,
@@ -3215,6 +3160,39 @@ static int mtk_open(struct net_device *d
@@ -3215,6 +3160,35 @@ static int mtk_open(struct net_device *d
phylink_start(mac->phylink);
netif_tx_start_all_queues(dev);
@@ -141,17 +141,13 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ val &= ~MTK_CDMP_STAG_EN;
+ mtk_w32(eth, val, MTK_CDMP_IG_CTRL);
+
+ val = mtk_r32(eth, MTK_CDMQ_IG_CTRL);
+ val &= ~MTK_CDMQ_STAG_EN;
+ mtk_w32(eth, val, MTK_CDMQ_IG_CTRL);
+
+ mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
+ }
+
return 0;
}
@@ -3508,10 +3486,9 @@ static int mtk_hw_init(struct mtk_eth *e
@@ -3508,10 +3482,9 @@ static int mtk_hw_init(struct mtk_eth *e
if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
val = mtk_r32(eth, MTK_CDMP_IG_CTRL);
mtk_w32(eth, val | MTK_CDMP_STAG_EN, MTK_CDMP_IG_CTRL);
@@ -164,7 +160,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* set interrupt delays based on current Net DIM sample */
mtk_dim_rx(&eth->rx_dim.work);
@@ -4132,7 +4109,7 @@ static int mtk_add_mac(struct mtk_eth *e
@@ -4132,7 +4105,7 @@ static int mtk_add_mac(struct mtk_eth *e
eth->netdev[id]->hw_features |= NETIF_F_LRO;
eth->netdev[id]->vlan_features = eth->soc->hw_features &