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ipq40xx: fix ethernet vlan double tagging
authorJohn Crispin <john@phrozen.org>
Tue, 14 Jul 2020 08:07:32 +0000 (10:07 +0200)
committerJohn Crispin <john@phrozen.org>
Tue, 14 Jul 2020 16:31:48 +0000 (18:31 +0200)
As the the SoC uses implicit vlan tagging for dual MAC support, the
offload feature breaks when using double tagging.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: John Crispin <john@phrozen.org>
target/linux/ipq40xx/files-5.4/drivers/net/ethernet/qualcomm/essedma/edma_axi.c patch | blob | history
target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch patch | blob | history

diff --git a/target/linux/ipq40xx/files-5.4/drivers/net/ethernet/qualcomm/essedma/edma_axi.c b/target/linux/ipq40xx/files-5.4/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
index 96a82b31169eaaceacf5d9639905bcadb780abbd..50335b0d14b985562e6eab855044e9ef918d0ef8 100644 (file)
--- a/target/linux/ipq40xx/files-5.4/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
+++ b/target/linux/ipq40xx/files-5.4/drivers/net/ethernet/qualcomm/essedma/edma_axi.c
@@ -968,7 +968,6 @@ static int edma_axi_probe(struct platform_device *pdev)
                edma_netdev[i]->netdev_ops = &edma_axi_netdev_ops;
                edma_netdev[i]->max_mtu = 9000;
                edma_netdev[i]->features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM
-                                     | NETIF_F_HW_VLAN_CTAG_TX
                                      | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_SG |
                                      NETIF_F_TSO | NETIF_F_GRO;
                edma_netdev[i]->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
@@ -980,10 +979,10 @@ static int edma_axi_probe(struct platform_device *pdev)
                                             NETIF_F_TSO | NETIF_F_GRO;
 
 #ifdef CONFIG_RFS_ACCEL
-               edma_netdev[i]->features |=  NETIF_F_RXHASH | NETIF_F_NTUPLE;
-               edma_netdev[i]->hw_features |=  NETIF_F_RXHASH | NETIF_F_NTUPLE;
-               edma_netdev[i]->vlan_features |= NETIF_F_RXHASH | NETIF_F_NTUPLE;
-               edma_netdev[i]->wanted_features |= NETIF_F_RXHASH | NETIF_F_NTUPLE;
+               edma_netdev[i]->features |=  NETIF_F_NTUPLE;
+               edma_netdev[i]->hw_features |=  NETIF_F_NTUPLE;
+               edma_netdev[i]->vlan_features |= NETIF_F_NTUPLE;
+               edma_netdev[i]->wanted_features |= NETIF_F_NTUPLE;
 #endif
                edma_set_ethtool_ops(edma_netdev[i]);
 
diff --git a/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch b/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch
index 648723df0698f6d9d2cb17b8f6b99d2d294f9bd0..6c823b3483400fbb8e332b8e5e604ab00f0e1297 100644 (file)
--- a/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch
+++ b/target/linux/ipq40xx/patches-5.4/705-net-add-qualcomm-ar40xx-phy.patch
@@ -32,7 +32,7 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.c
 ===================================================================
 --- /dev/null
 +++ linux-5.4.51/drivers/net/phy/ar40xx.c
-@@ -0,0 +1,2097 @@
+@@ -0,0 +1,2118 @@
 +/*
 + * Copyright (c) 2016, The Linux Foundation. All rights reserved.
 + *
@@ -1235,7 +1235,11 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.c
 +      ar40xx_rmw(priv, AR40XX_REG_PORT_STATUS(port),
 +                      AR40XX_PORT_AUTO_LINK_EN, 0);
 +
-+      ar40xx_write(priv, AR40XX_REG_PORT_HEADER(port), 0);
++      /* CPU port is setting headers to limit output ports */
++      if (port == 0)
++              ar40xx_write(priv, AR40XX_REG_PORT_HEADER(port), 0x8);
++      else
++              ar40xx_write(priv, AR40XX_REG_PORT_HEADER(port), 0);
 +
 +      ar40xx_write(priv, AR40XX_REG_PORT_VLAN0(port), 0);
 +
@@ -1278,6 +1282,10 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.c
 +      t = (AR40XX_PORT0_FC_THRESH_ON_DFLT << 16) |
 +            AR40XX_PORT0_FC_THRESH_OFF_DFLT;
 +      ar40xx_write(priv, AR40XX_REG_PORT_FLOWCTRL_THRESH(0), t);
++
++      /* set service tag to 802.1q */
++      t = ETH_P_8021Q | AR40XX_ESS_SERVICE_TAG_STAG;
++      ar40xx_write(priv, AR40XX_ESS_SERVICE_TAG, t);
 +}
 +
 +static void
@@ -1603,7 +1611,11 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.c
 +      u32 pvid = priv->vlan_id[priv->pvid[port]];
 +
 +      if (priv->vlan) {
-+              egress = AR40XX_PORT_VLAN1_OUT_MODE_UNMOD;
++              if (priv->vlan_tagged & BIT(port))
++                      egress = AR40XX_PORT_VLAN1_OUT_MODE_TAG;
++              else
++                      egress = AR40XX_PORT_VLAN1_OUT_MODE_UNMOD;
++
 +              ingress = AR40XX_IN_SECURE;
 +      } else {
 +              egress = AR40XX_PORT_VLAN1_OUT_MODE_UNTOUCH;
@@ -1614,8 +1626,17 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.c
 +      t |= pvid << AR40XX_PORT_VLAN0_DEF_CVID_S;
 +      ar40xx_write(priv, AR40XX_REG_PORT_VLAN0(port), t);
 +
-+      t = AR40XX_PORT_VLAN1_PORT_VLAN_PROP;
-+      t |= egress << AR40XX_PORT_VLAN1_OUT_MODE_S;
++      t = egress << AR40XX_PORT_VLAN1_OUT_MODE_S;
++
++      /* set CPU port to core port */
++      if (port == 0)
++              t |= AR40XX_PORT_VLAN1_CORE_PORT;
++
++      if (priv->vlan_tagged & BIT(port))
++              t |= AR40XX_PORT_VLAN1_PORT_VLAN_PROP;
++      else
++              t |= AR40XX_PORT_VLAN1_PORT_TLS_MODE;
++
 +      ar40xx_write(priv, AR40XX_REG_PORT_VLAN1(port), t);
 +
 +      t = members;
@@ -2134,7 +2155,7 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.h
 ===================================================================
 --- /dev/null
 +++ linux-5.4.51/drivers/net/phy/ar40xx.h
-@@ -0,0 +1,337 @@
+@@ -0,0 +1,342 @@
 +/*
 + * Copyright (c) 2016, The Linux Foundation. All rights reserved.
 + *
@@ -2288,6 +2309,9 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.h
 +#define   AR40XX_MIB_FUNC_NO_OP               0x0
 +#define   AR40XX_MIB_FUNC_FLUSH               0x1
 +
++#define AR40XX_ESS_SERVICE_TAG                0x48
++#define AR40XX_ESS_SERVICE_TAG_STAG   BIT(17)
++
 +#define AR40XX_REG_PORT_STATUS(_i)            (0x07c + (_i) * 4)
 +#define   AR40XX_PORT_SPEED                   BITS(0, 2)
 +#define   AR40XX_PORT_STATUS_SPEED_S  0
@@ -2316,6 +2340,8 @@ Index: linux-5.4.51/drivers/net/phy/ar40xx.h
 +#define   AR40XX_PORT_VLAN0_DEF_CVID_S                16
 +
 +#define AR40XX_REG_PORT_VLAN1(_i)             (0x424 + (_i) * 0x8)
++#define   AR40XX_PORT_VLAN1_CORE_PORT         BIT(9)
++#define   AR40XX_PORT_VLAN1_PORT_TLS_MODE     BIT(7)
 +#define   AR40XX_PORT_VLAN1_PORT_VLAN_PROP    BIT(6)
 +#define   AR40XX_PORT_VLAN1_OUT_MODE          BITS(12, 2)
 +#define   AR40XX_PORT_VLAN1_OUT_MODE_S                12
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