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* [PATCH v5 04/20] dt-bindings: syscon: Add DT bindings documentation for Allwinner syscon
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, linux-kernel, netdev, linux-arm-kernel,
	Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

This patch adds documentation for Device-Tree bindings for the
syscon present in allwinner devices.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 .../devicetree/bindings/misc/allwinner,syscon.txt     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/allwinner,syscon.txt

diff --git a/Documentation/devicetree/bindings/misc/allwinner,syscon.txt b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
new file mode 100644
index 0000000..cb57691
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
@@ -0,0 +1,19 @@
+* Allwinner sun8i system controller
+
+This file describes the bindings for the system controller present in
+Allwinner SoC H3, A83T and A64.
+The principal function of this syscon is to control EMAC PHY choice and
+config.
+
+Required properties for the system controller:
+- reg: address and length of the register for the device.
+- compatible: should be "syscon" and one of the following string:
+		"allwinner,sun8i-h3-system-controller"
+		"allwinner,sun50i-a64-system-controller"
+		"allwinner,sun8i-a83t-system-controller"
+
+Example:
+syscon: syscon@1c00000 {
+	compatible = "allwinner,sun8i-h3-system-controller", "syscon";
+	reg = <0x01c00000 0x1000>;
+};
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 20/20] arm64: defconfig: Enable dwmac-sun8i driver on defconfig
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, Corentin Labbe, linux-kernel, linux-arm-kernel,
	netdev
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

Enable the dwmac-sun8i ethernet driver as a module in the ARM64 defconfig.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index ce07285..4575fbb 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -193,6 +193,7 @@ CONFIG_RAVB=y
 CONFIG_SMC91X=y
 CONFIG_SMSC911X=y
 CONFIG_STMMAC_ETH=m
+CONFIG_DWMAC_SUN8I=m
 CONFIG_REALTEK_PHY=m
 CONFIG_MESON_GXL_PHY=m
 CONFIG_MICREL_PHY=y
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 19/20] arm: multi_v7: Enable dwmac-sun8i driver on multi_v7_defconfig
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Enable the dwmac-sun8i driver in the multi_v7 default configuration

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/configs/multi_v7_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 2685e03..6da6af8 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -257,6 +257,7 @@ CONFIG_SMSC911X=y
 CONFIG_STMMAC_ETH=y
 CONFIG_STMMAC_PLATFORM=y
 CONFIG_DWMAC_DWC_QOS_ETH=y
+CONFIG_DWMAC_SUN8I=y
 CONFIG_TI_CPSW=y
 CONFIG_XILINX_EMACLITE=y
 CONFIG_AT803X_PHY=y
-- 
2.10.2

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* [PATCH v5 18/20] arm: sunxi: Enable dwmac-sun8i driver on sunxi_defconfig
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Enable the dwmac-sun8i driver in the sunxi default configuration

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/configs/sunxi_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index 5cd5dd70..504e022 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -40,6 +40,7 @@ CONFIG_ATA=y
 CONFIG_AHCI_SUNXI=y
 CONFIG_NETDEVICES=y
 CONFIG_SUN4I_EMAC=y
+CONFIG_DWMAC_SUN8I=y
 # CONFIG_NET_VENDOR_ARC is not set
 # CONFIG_NET_CADENCE is not set
 # CONFIG_NET_VENDOR_BROADCOM is not set
-- 
2.10.2

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* [PATCH v5 17/20] arm64: allwinner: bananapi-m64: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, Corentin Labbe, linux-kernel, linux-arm-kernel,
	netdev
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

The dwmac-sun8i  hardware is present on the BananaPi M64.
It uses an external PHY rtl8211e via RGMII.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 6872135..0d1f026 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -67,6 +67,14 @@
 	};
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	status = "okay";
+};
+
 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins>;
@@ -77,6 +85,13 @@
 	bias-pull-up;
 };
 
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 16/20] arm64: allwinner: pine64-plus: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, Corentin Labbe, linux-kernel, linux-arm-kernel,
	netdev
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

The dwmac-sun8i hardware is present on the pine64 plus.
It uses an external PHY rtl8211e via RGMII.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 .../arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
index 790d14d..24f1aac 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
@@ -46,5 +46,20 @@
 	model = "Pine64+";
 	compatible = "pine64,pine64-plus", "allwinner,sun50i-a64";
 
-	/* TODO: Camera, Ethernet PHY, touchscreen, etc. */
+	/* TODO: Camera, touchscreen, etc. */
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
 };
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 15/20] arm64: allwinner: pine64: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, linux-kernel, netdev, linux-arm-kernel,
	Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

The dwmac-sun8i hardware is present on the pine64
It uses an external PHY via RMII.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index c680ed3..3b491c0 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -70,6 +70,15 @@
 	status = "okay";
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rmii_pins>;
+	phy-mode = "rmii";
+	phy-handle = <&ext_rmii_phy1>;
+	status = "okay";
+
+};
+
 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins>;
@@ -80,6 +89,13 @@
 	bias-pull-up;
 };
 
+&mdio {
+	ext_rmii_phy1: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 14/20] arm64: allwinner: sun50i-a64: add dwmac-sun8i Ethernet driver
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

The dwmac-sun8i is an Ethernet MAC that supports 10/100/1000 Mbit
connections. It is very similar to the device found in the Allwinner
H3, but lacks the internal 100 Mbit PHY and its associated control
bits.
This adds the necessary bits to the Allwinner A64 SoC .dtsi, but keeps
it disabled at this level.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index d7341ba..18b3642 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -287,6 +287,21 @@
 				bias-pull-up;
 			};
 
+			rmii_pins: rmii_pins {
+				pins = "PD10", "PD11", "PD13", "PD14", "PD17",
+				       "PD18", "PD19", "PD20", "PD22", "PD23";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
+			rgmii_pins: rgmii_pins {
+				pins = "PD8", "PD9", "PD10", "PD11", "PD12",
+				       "PD13", "PD15", "PD16", "PD17", "PD18",
+				       "PD19", "PD20", "PD21", "PD22", "PD23";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
 			uart0_pins_a: uart0@0 {
 				pins = "PB8", "PB9";
 				function = "uart0";
@@ -391,6 +406,26 @@
 			#size-cells = <0>;
 		};
 
+		emac: ethernet@1c30000 {
+			compatible = "allwinner,sun50i-a64-emac";
+			syscon = <&syscon>;
+			reg = <0x01c30000 0x100>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			resets = <&ccu RST_BUS_EMAC>;
+			reset-names = "stmmaceth";
+			clocks = <&ccu CLK_BUS_EMAC>;
+			clock-names = "stmmaceth";
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mdio: mdio {
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		gic: interrupt-controller@1c81000 {
 			compatible = "arm,gic-400";
 			reg = <0x01c81000 0x1000>,
-- 
2.10.2

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* [PATCH v5 13/20] arm64: allwinner: sun50i-a64: Add dt node for the syscon control module
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

This patch add the dt node for the syscon register present on the
Allwinner A64.

Only two register are present in this syscon and the only one useful is
the one dedicated to EMAC clock.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index c7f669f..d7341ba 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -129,6 +129,12 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon@1c00000 {
+			compatible = "allwinner,sun50i-a64-system-controller",
+				"syscon";
+			reg = <0x01c00000 0x1000>;
+		};
+
 		mmc0: mmc@1c0f000 {
 			compatible = "allwinner,sun50i-a64-mmc";
 			reg = <0x01c0f000 0x1000>;
-- 
2.10.2

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* [PATCH v5 11/20] arm: sun8i: orangepi-2: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

The dwmac-sun8i hardware is present on the Orange PI 2.
It uses the internal PHY.

This patch create the needed emac node.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/boot/dts/sun8i-h3-orangepi-2.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
index 5b6d145..cedd326 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
@@ -54,6 +54,7 @@
 	aliases {
 		serial0 = &uart0;
 		/* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
+		ethernet0 = &emac;
 		ethernet1 = &rtl8189;
 	};
 
@@ -108,6 +109,13 @@
 	status = "okay";
 };
 
+&emac {
+	phy-handle = <&int_mii_phy>;
+	phy-mode = "mii";
+	allwinner,leds-active-low;
+	status = "okay";
+};
+
 &ir {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ir_pins_a>;
-- 
2.10.2

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* [PATCH v5 10/20] arm: sun8i: orangepi-one: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, linux-kernel, netdev, linux-arm-kernel,
	Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

The dwmac-sun8i hardware is present on the Orange PI One.
It uses the internal PHY.

This patch create the needed emac node.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm/boot/dts/sun8i-h3-orangepi-one.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
index 5fea430..6880268 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
@@ -52,6 +52,7 @@
 	compatible = "xunlong,orangepi-one", "allwinner,sun8i-h3";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -97,6 +98,13 @@
 	status = "okay";
 };
 
+&emac {
+	phy-handle = <&int_mii_phy>;
+	phy-mode = "mii";
+	allwinner,leds-active-low;
+	status = "okay";
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 08/20] arm: sun8i: orangepi-pc: Enable dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

The dwmac-sun8i hardware is present on the Orange PI PC.
It uses the internal PHY.

This patch create the needed emac node.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
index f148111..52e6575 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
@@ -52,6 +52,7 @@
 	compatible = "xunlong,orangepi-pc", "allwinner,sun8i-h3";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -109,6 +110,13 @@
 	status = "okay";
 };
 
+&emac {
+	phy-handle = <&int_mii_phy>;
+	phy-mode = "mii";
+	allwinner,leds-active-low;
+	status = "okay";
+};
+
 &ir {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ir_pins_a>;
-- 
2.10.2

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* [PATCH v5 06/20] arm: sun8i: sunxi-h3-h5: Add dt node for the syscon control module
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

This patch add the dt node for the syscon register present on the
Allwinner H3/H5

Only two register are present in this syscon and the only one useful is
the one dedicated to EMAC clock..

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 1aeeacb..d9691fc 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -83,6 +83,12 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon@1c00000 {
+			compatible = "allwinner,sun8i-h3-system-controller",
+				"syscon";
+			reg = <0x01c00000 0x1000>;
+		};
+
 		dma: dma-controller@01c02000 {
 			compatible = "allwinner,sun8i-h3-dma";
 			reg = <0x01c02000 0x1000>;
-- 
2.10.2

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* [PATCH v5 05/20] net: stmmac: Add dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

The dwmac-sun8i is a heavy hacked version of stmmac hardware by
allwinner.
In fact the only common part is the descriptor management and the first
register function.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 drivers/net/ethernet/stmicro/stmmac/Kconfig        |  11 +
 drivers/net/ethernet/stmicro/stmmac/Makefile       |   1 +
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c  | 973 +++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  |  29 +
 .../net/ethernet/stmicro/stmmac/stmmac_platform.c  |   9 +-
 include/linux/stmmac.h                             |   1 +
 6 files changed, 1022 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index cfbe363..85c0e41 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -145,6 +145,17 @@ config DWMAC_SUNXI
 	  This selects Allwinner SoC glue layer support for the
 	  stmmac device driver. This driver is used for A20/A31
 	  GMAC ethernet controller.
+
+config DWMAC_SUN8I
+	tristate "Allwinner sun8i GMAC support"
+	default ARCH_SUNXI
+	depends on OF && (ARCH_SUNXI || COMPILE_TEST)
+	---help---
+	  Support for Allwinner H3 A83T A64 EMAC ethernet controllers.
+
+	  This selects Allwinner SoC glue layer support for the
+	  stmmac device driver. This driver is used for H3/A83T/A64
+	  EMAC ethernet controller.
 endif
 
 config STMMAC_PCI
diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile
index 700c603..fd4937a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_DWMAC_SOCFPGA)	+= dwmac-altr-socfpga.o
 obj-$(CONFIG_DWMAC_STI)		+= dwmac-sti.o
 obj-$(CONFIG_DWMAC_STM32)	+= dwmac-stm32.o
 obj-$(CONFIG_DWMAC_SUNXI)	+= dwmac-sunxi.o
+obj-$(CONFIG_DWMAC_SUN8I)	+= dwmac-sun8i.o
 obj-$(CONFIG_DWMAC_DWC_QOS_ETH)	+= dwmac-dwc-qos-eth.o
 obj-$(CONFIG_DWMAC_GENERIC)	+= dwmac-generic.o
 stmmac-platform-objs:= stmmac_platform.o
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
new file mode 100644
index 0000000..66eb980
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -0,0 +1,973 @@
+/*
+ * dwmac-sun8i.c - Allwinner sun8i DWMAC specific glue layer
+ *
+ * Copyright (C) 2017 Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
+#include <linux/stmmac.h>
+
+#include "stmmac.h"
+#include "stmmac_platform.h"
+
+/* General notes on dwmac-sun8i:
+ * Locking: no locking is necessary in this file because all necessary locking
+ *		is done in the "stmmac files"
+ */
+
+/* struct emac_variant - Descrive dwmac-sun8i hardware variant
+ * @default_syscon_value:	The default value of the EMAC register in syscon
+ *				This value is used for disabling properly EMAC
+ *				and used as a good starting value in case of the
+ *				boot process(uboot) leave some stuff.
+ * @internal_phy:		Does the MAC embed an internal PHY
+ * @support_mii:		Does the MAC handle MII
+ * @support_rmii:		Does the MAC handle RMII
+ * @support_rgmii:		Does the MAC handle RGMII
+ */
+struct emac_variant {
+	u32 default_syscon_value;
+	int internal_phy;
+	bool support_mii;
+	bool support_rmii;
+	bool support_rgmii;
+};
+
+/* struct sunxi_priv_data - hold all sunxi private data
+ * @tx_clk:	reference to MAC TX clock
+ * @ephy_clk:	reference to the optional EPHY clock for the internal PHY
+ * @regulator:	reference to the optional regulator
+ * @rst_ephy:	reference to the optional EPHY reset for the internal PHY
+ * @variant:	reference to the current board variant
+ * @regmap:	regmap for using the syscon
+ * @use_internal_phy: Does the current PHY choice imply using the internal PHY
+ */
+struct sunxi_priv_data {
+	struct clk *tx_clk;
+	struct clk *ephy_clk;
+	struct regulator *regulator;
+	struct reset_control *rst_ephy;
+	const struct emac_variant *variant;
+	struct regmap *regmap;
+	bool use_internal_phy;
+};
+
+static const struct emac_variant emac_variant_h3 = {
+	.default_syscon_value = 0x58000,
+	.internal_phy = PHY_INTERFACE_MODE_MII,
+	.support_mii = true,
+	.support_rmii = true,
+	.support_rgmii = true
+};
+
+static const struct emac_variant emac_variant_a83t = {
+	.default_syscon_value = 0,
+	.internal_phy = 0,
+	.support_mii = true,
+	.support_rgmii = true
+};
+
+static const struct emac_variant emac_variant_a64 = {
+	.default_syscon_value = 0,
+	.internal_phy = 0,
+	.support_mii = true,
+	.support_rmii = true,
+	.support_rgmii = true
+};
+
+#define EMAC_BASIC_CTL0 0x00
+#define EMAC_BASIC_CTL1 0x04
+#define EMAC_INT_STA    0x08
+#define EMAC_INT_EN     0x0C
+#define EMAC_TX_CTL0    0x10
+#define EMAC_TX_CTL1    0x14
+#define EMAC_TX_FLOW_CTL        0x1C
+#define EMAC_TX_DESC_LIST 0x20
+#define EMAC_RX_CTL0    0x24
+#define EMAC_RX_CTL1    0x28
+#define EMAC_RX_DESC_LIST 0x34
+#define EMAC_RX_FRM_FLT 0x38
+#define EMAC_MDIO_CMD   0x48
+#define EMAC_MDIO_DATA  0x4C
+#define EMAC_MACADDR_HI(reg) (0x50 + (reg) * 8)
+#define EMAC_MACADDR_LO(reg) (0x54 + (reg) * 8)
+#define EMAC_TX_DMA_STA 0xB0
+#define EMAC_TX_CUR_DESC        0xB4
+#define EMAC_TX_CUR_BUF 0xB8
+#define EMAC_RX_DMA_STA 0xC0
+#define EMAC_RX_CUR_DESC        0xC4
+#define EMAC_RX_CUR_BUF 0xC8
+
+/* Use in EMAC_BASIC_CTL1 */
+#define EMAC_BURSTLEN_SHIFT		24
+
+/* Used in EMAC_RX_FRM_FLT */
+#define EMAC_FRM_FLT_RXALL              BIT(0)
+#define EMAC_FRM_FLT_CTL                BIT(13)
+#define EMAC_FRM_FLT_MULTICAST          BIT(16)
+
+/* Used in RX_CTL1*/
+#define EMAC_RX_MD              BIT(1)
+#define EMAC_RX_TH_MASK		GENMASK(4, 5)
+#define EMAC_RX_TH_32		0
+#define EMAC_RX_TH_64		(0x1 << 4)
+#define EMAC_RX_TH_96		(0x2 << 4)
+#define EMAC_RX_TH_128		(0x3 << 4)
+#define EMAC_RX_DMA_EN  BIT(30)
+#define EMAC_RX_DMA_START       BIT(31)
+
+/* Used in TX_CTL1*/
+#define EMAC_TX_MD              BIT(1)
+#define EMAC_TX_NEXT_FRM        BIT(2)
+#define EMAC_TX_TH_MASK		GENMASK(8, 10)
+#define EMAC_TX_TH_64		0
+#define EMAC_TX_TH_128		(0x1 << 8)
+#define EMAC_TX_TH_192		(0x2 << 8)
+#define EMAC_TX_TH_256		(0x3 << 8)
+#define EMAC_TX_DMA_EN  BIT(30)
+#define EMAC_TX_DMA_START       BIT(31)
+
+/* Used in RX_CTL0 */
+#define EMAC_RX_RECEIVER_EN             BIT(31)
+#define EMAC_RX_DO_CRC BIT(27)
+#define EMAC_RX_FLOW_CTL_EN             BIT(16)
+
+/* Used in TX_CTL0 */
+#define EMAC_TX_TRANSMITTER_EN  BIT(31)
+
+/* Used in EMAC_TX_FLOW_CTL */
+#define EMAC_TX_FLOW_CTL_EN             BIT(0)
+
+/* Used in EMAC_INT_STA */
+#define EMAC_TX_INT             BIT(0)
+#define EMAC_TX_DMA_STOP_INT    BIT(1)
+#define EMAC_TX_BUF_UA_INT      BIT(2)
+#define EMAC_TX_TIMEOUT_INT     BIT(3)
+#define EMAC_TX_UNDERFLOW_INT   BIT(4)
+#define EMAC_TX_EARLY_INT       BIT(5)
+#define EMAC_RX_INT             BIT(8)
+#define EMAC_RX_BUF_UA_INT      BIT(9)
+#define EMAC_RX_DMA_STOP_INT    BIT(10)
+#define EMAC_RX_TIMEOUT_INT     BIT(11)
+#define EMAC_RX_OVERFLOW_INT    BIT(12)
+#define EMAC_RX_EARLY_INT       BIT(13)
+#define EMAC_RGMII_STA_INT      BIT(16)
+
+#define MAC_ADDR_TYPE_DST BIT(31)
+
+/* H3 specific bits for EPHY */
+#define H3_EPHY_ADDR_SHIFT	20
+#define H3_EPHY_LED_POL		BIT(17) /* 1: active low, 0: active high */
+#define H3_EPHY_SHUTDOWN	BIT(16) /* 1: shutdown, 0: power up */
+#define H3_EPHY_SELECT		BIT(15) /* 1: internal PHY, 0: external PHY */
+
+/* H3/A64 specific bits */
+#define SYSCON_RMII_EN		BIT(13) /* 1: enable RMII (overrides EPIT) */
+
+/* Generic system control EMAC_CLK bits */
+#define SYSCON_ETXDC_MASK		GENMASK(2, 0)
+#define SYSCON_ETXDC_SHIFT		10
+#define SYSCON_ERXDC_MASK		GENMASK(4, 0)
+#define SYSCON_ERXDC_SHIFT		5
+/* EMAC PHY Interface Type */
+#define SYSCON_EPIT			BIT(2) /* 1: RGMII, 0: MII */
+#define SYSCON_ETCS_MASK		GENMASK(1, 0)
+#define SYSCON_ETCS_MII		0x0
+#define SYSCON_ETCS_EXT_GMII	0x1
+#define SYSCON_ETCS_INT_GMII	0x2
+#define SYSCON_EMAC_REG		0x30
+
+/* sun8i_dwmac_dma_reset() - reset the EMAC
+ * Called from stmmac via stmmac_dma_ops->reset
+ */
+static int sun8i_dwmac_dma_reset(void __iomem *ioaddr)
+{
+	writel(0, ioaddr + EMAC_RX_CTL1);
+	writel(0, ioaddr + EMAC_TX_CTL1);
+	writel(0, ioaddr + EMAC_RX_FRM_FLT);
+	writel(0, ioaddr + EMAC_RX_DESC_LIST);
+	writel(0, ioaddr + EMAC_TX_DESC_LIST);
+	writel(0, ioaddr + EMAC_INT_EN);
+	writel(0x1FFFFFF, ioaddr + EMAC_INT_STA);
+	return 0;
+}
+
+/* sun8i_dwmac_dma_init() - initialize the EMAC
+ * Called from stmmac via stmmac_dma_ops->init
+ */
+static void sun8i_dwmac_dma_init(void __iomem *ioaddr,
+				 struct stmmac_dma_cfg *dma_cfg,
+				 u32 dma_tx, u32 dma_rx, int atds)
+{
+	/* Write TX and RX descriptors address */
+	writel(dma_rx, ioaddr + EMAC_RX_DESC_LIST);
+	writel(dma_tx, ioaddr + EMAC_TX_DESC_LIST);
+
+	writel(EMAC_RX_INT | EMAC_TX_INT, ioaddr + EMAC_INT_EN);
+	writel(0x1FFFFFF, ioaddr + EMAC_INT_STA);
+}
+
+/* sun8i_dwmac_dump_regs() - Dump EMAC address space
+ * Called from stmmac_dma_ops->dump_regs
+ * Used for ethtool
+ */
+static void sun8i_dwmac_dump_regs(void __iomem *ioaddr, u32 *reg_space)
+{
+	int i;
+
+	for (i = 0; i < 0xC8; i += 4) {
+		if (i == 0x32 || i == 0x3C)
+			continue;
+		reg_space[i / 4] = readl(ioaddr + i);
+	}
+}
+
+/* sun8i_dwmac_dump_mac_regs() - Dump EMAC address space
+ * Called from stmmac_ops->dump_regs
+ * Used for ethtool
+ */
+static void sun8i_dwmac_dump_mac_regs(struct mac_device_info *hw,
+				      u32 *reg_space)
+{
+	int i;
+	void __iomem *ioaddr = hw->pcsr;
+
+	for (i = 0; i < 0xC8; i += 4) {
+		if (i == 0x32 || i == 0x3C)
+			continue;
+		reg_space[i / 4] = readl(ioaddr + i);
+	}
+}
+
+static void sun8i_dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan)
+{
+	writel(EMAC_RX_INT | EMAC_TX_INT, ioaddr + EMAC_INT_EN);
+}
+
+static void sun8i_dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan)
+{
+	writel(0, ioaddr + EMAC_INT_EN);
+}
+
+static void sun8i_dwmac_dma_start_tx(void __iomem *ioaddr, u32 chan)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_TX_CTL1);
+	v |= EMAC_TX_DMA_START;
+	v |= EMAC_TX_DMA_EN;
+	writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_enable_dma_transmission(void __iomem *ioaddr)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_TX_CTL1);
+	v |= EMAC_TX_DMA_START;
+	v |= EMAC_TX_DMA_EN;
+	writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_dma_stop_tx(void __iomem *ioaddr, u32 chan)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_TX_CTL1);
+	v &= ~EMAC_TX_DMA_EN;
+	writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_dma_start_rx(void __iomem *ioaddr, u32 chan)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_RX_CTL1);
+	v |= EMAC_RX_DMA_START;
+	v |= EMAC_RX_DMA_EN;
+	writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static void sun8i_dwmac_dma_stop_rx(void __iomem *ioaddr, u32 chan)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_RX_CTL1);
+	v &= ~EMAC_RX_DMA_EN;
+	writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static int sun8i_dwmac_dma_interrupt(void __iomem *ioaddr,
+				     struct stmmac_extra_stats *x, u32 chan)
+{
+	u32 v;
+	int ret = 0;
+
+	v = readl(ioaddr + EMAC_INT_STA);
+
+	if (v & EMAC_TX_INT) {
+		ret |= handle_tx;
+		x->tx_normal_irq_n++;
+	}
+
+	if (v & EMAC_TX_DMA_STOP_INT)
+		x->tx_process_stopped_irq++;
+
+	if (v & EMAC_TX_BUF_UA_INT)
+		x->tx_process_stopped_irq++;
+
+	if (v & EMAC_TX_TIMEOUT_INT)
+		ret |= tx_hard_error;
+
+	if (v & EMAC_TX_UNDERFLOW_INT) {
+		ret |= tx_hard_error;
+		x->tx_undeflow_irq++;
+	}
+
+	if (v & EMAC_TX_EARLY_INT)
+		x->tx_early_irq++;
+
+	if (v & EMAC_RX_INT) {
+		ret |= handle_rx;
+		x->rx_normal_irq_n++;
+	}
+
+	if (v & EMAC_RX_BUF_UA_INT)
+		x->rx_buf_unav_irq++;
+
+	if (v & EMAC_RX_DMA_STOP_INT)
+		x->rx_process_stopped_irq++;
+
+	if (v & EMAC_RX_TIMEOUT_INT)
+		ret |= tx_hard_error;
+
+	if (v & EMAC_RX_OVERFLOW_INT) {
+		ret |= tx_hard_error;
+		x->rx_overflow_irq++;
+	}
+
+	if (v & EMAC_RX_EARLY_INT)
+		x->rx_early_irq++;
+
+	if (v & EMAC_RGMII_STA_INT)
+		x->irq_rgmii_n++;
+
+	writel(v, ioaddr + EMAC_INT_STA);
+
+	return ret;
+}
+
+static void sun8i_dwmac_dma_operation_mode(void __iomem *ioaddr, int txmode,
+					   int rxmode, int rxfifosz)
+{
+	u32 v;
+
+	v = readl(ioaddr + EMAC_TX_CTL1);
+	if (txmode == SF_DMA_MODE) {
+		v |= EMAC_TX_MD;
+		/* Undocumented bit (called TX_NEXT_FRM in BSP), the original
+		 * comment is
+		 * "Operating on second frame increase the performance
+		 * especially when transmit store-and-forward is used."
+		 */
+		v |= EMAC_TX_NEXT_FRM;
+	} else {
+		v &= ~EMAC_TX_MD;
+		v &= ~EMAC_TX_TH_MASK;
+		if (txmode < 64)
+			v |= EMAC_TX_TH_64;
+		else if (txmode < 128)
+			v |= EMAC_TX_TH_128;
+		else if (txmode < 192)
+			v |= EMAC_TX_TH_192;
+		else if (txmode < 256)
+			v |= EMAC_TX_TH_256;
+	}
+	writel(v, ioaddr + EMAC_TX_CTL1);
+
+	v = readl(ioaddr + EMAC_RX_CTL1);
+	if (rxmode == SF_DMA_MODE) {
+		v |= EMAC_RX_MD;
+	} else {
+		v &= ~EMAC_RX_MD;
+		v &= ~EMAC_RX_TH_MASK;
+		if (rxmode < 32)
+			v |= EMAC_RX_TH_32;
+		else if (rxmode < 64)
+			v |= EMAC_RX_TH_64;
+		else if (rxmode < 96)
+			v |= EMAC_RX_TH_96;
+		else if (rxmode < 128)
+			v |= EMAC_RX_TH_128;
+	}
+	writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = {
+	.reset = sun8i_dwmac_dma_reset,
+	.init = sun8i_dwmac_dma_init,
+	.dump_regs = sun8i_dwmac_dump_regs,
+	.dma_mode = sun8i_dwmac_dma_operation_mode,
+	.enable_dma_transmission = sun8i_dwmac_enable_dma_transmission,
+	.enable_dma_irq = sun8i_dwmac_enable_dma_irq,
+	.disable_dma_irq = sun8i_dwmac_disable_dma_irq,
+	.start_tx = sun8i_dwmac_dma_start_tx,
+	.stop_tx = sun8i_dwmac_dma_stop_tx,
+	.start_rx = sun8i_dwmac_dma_start_rx,
+	.stop_rx = sun8i_dwmac_dma_stop_rx,
+	.dma_interrupt = sun8i_dwmac_dma_interrupt,
+};
+
+static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
+{
+	struct sunxi_priv_data *gmac = priv;
+	int ret;
+
+	if (gmac->regulator) {
+		ret = regulator_enable(gmac->regulator);
+		if (ret) {
+			dev_err(&pdev->dev, "Fail to enable regulator\n");
+			return ret;
+		}
+	}
+
+	ret = clk_prepare_enable(gmac->tx_clk);
+	if (ret) {
+		if (gmac->regulator)
+			regulator_disable(gmac->regulator);
+		dev_err(&pdev->dev, "Could not enable AHB clock\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static void sun8i_dwmac_core_init(struct mac_device_info *hw, int mtu)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 v;
+
+	v = (8 << EMAC_BURSTLEN_SHIFT); /* burst len */
+	writel(v, ioaddr + EMAC_BASIC_CTL1);
+}
+
+static void sun8i_dwmac_set_mac(void __iomem *ioaddr, bool enable)
+{
+	u32 t, r;
+
+	t = readl(ioaddr + EMAC_TX_CTL0);
+	r = readl(ioaddr + EMAC_RX_CTL0);
+	if (enable) {
+		t |= EMAC_TX_TRANSMITTER_EN;
+		r |= EMAC_RX_RECEIVER_EN;
+	} else {
+		t &= ~EMAC_TX_TRANSMITTER_EN;
+		r &= ~EMAC_RX_RECEIVER_EN;
+	}
+	writel(t, ioaddr + EMAC_TX_CTL0);
+	writel(r, ioaddr + EMAC_RX_CTL0);
+}
+
+/* Set MAC address at slot reg_n
+ * All slot > 0 need to be enabled with MAC_ADDR_TYPE_DST
+ * If addr is NULL, clear the slot
+ */
+static void sun8i_dwmac_set_umac_addr(struct mac_device_info *hw,
+				      unsigned char *addr,
+				      unsigned int reg_n)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 v;
+
+	if (!addr) {
+		writel(0, ioaddr + EMAC_MACADDR_HI(reg_n));
+		return;
+	}
+
+	stmmac_set_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
+			    EMAC_MACADDR_LO(reg_n));
+	if (reg_n > 0) {
+		v = readl(ioaddr + EMAC_MACADDR_HI(reg_n));
+		v |= MAC_ADDR_TYPE_DST;
+		writel(v, ioaddr + EMAC_MACADDR_HI(reg_n));
+	}
+}
+
+static void sun8i_dwmac_get_umac_addr(struct mac_device_info *hw,
+				      unsigned char *addr,
+				      unsigned int reg_n)
+{
+	void __iomem *ioaddr = hw->pcsr;
+
+	stmmac_get_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
+			    EMAC_MACADDR_LO(reg_n));
+}
+
+/* caution this function must return non 0 to work */
+static int sun8i_dwmac_rx_ipc_enable(struct mac_device_info *hw)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 v;
+
+	v = readl(ioaddr + EMAC_RX_CTL0);
+	v |= EMAC_RX_DO_CRC;
+	writel(v, ioaddr + EMAC_RX_CTL0);
+
+	return 1;
+}
+
+static void sun8i_dwmac_set_filter(struct mac_device_info *hw,
+				   struct net_device *dev)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 v;
+	int i = 1;
+	struct netdev_hw_addr *ha;
+	int macaddrs = netdev_uc_count(dev) + netdev_mc_count(dev) + 1;
+
+	v = EMAC_FRM_FLT_CTL;
+
+	if (dev->flags & IFF_PROMISC) {
+		v = EMAC_FRM_FLT_RXALL;
+	} else if (dev->flags & IFF_ALLMULTI) {
+		v |= EMAC_FRM_FLT_MULTICAST;
+	} else if (macaddrs <= hw->unicast_filter_entries) {
+		if (!netdev_mc_empty(dev)) {
+			netdev_for_each_mc_addr(ha, dev) {
+				sun8i_dwmac_set_umac_addr(hw, ha->addr, i);
+				i++;
+			}
+		}
+		if (!netdev_uc_empty(dev)) {
+			netdev_for_each_uc_addr(ha, dev) {
+				sun8i_dwmac_set_umac_addr(hw, ha->addr, i);
+				i++;
+			}
+		}
+	} else {
+		netdev_info(dev, "Too many address, switching to promiscuous\n");
+		v = EMAC_FRM_FLT_RXALL;
+	}
+
+	/* Disable unused address filter slots */
+	while (i < hw->unicast_filter_entries)
+		sun8i_dwmac_set_umac_addr(hw, NULL, i++);
+
+	writel(v, ioaddr + EMAC_RX_FRM_FLT);
+}
+
+static void sun8i_dwmac_flow_ctrl(struct mac_device_info *hw,
+				  unsigned int duplex, unsigned int fc,
+				  unsigned int pause_time, u32 tx_cnt)
+{
+	void __iomem *ioaddr = hw->pcsr;
+	u32 v;
+
+	v = readl(ioaddr + EMAC_RX_CTL0);
+	if (fc == FLOW_AUTO)
+		v |= EMAC_RX_FLOW_CTL_EN;
+	else
+		v &= ~EMAC_RX_FLOW_CTL_EN;
+	writel(v, ioaddr + EMAC_RX_CTL0);
+
+	v = readl(ioaddr + EMAC_TX_FLOW_CTL);
+	if (fc == FLOW_AUTO)
+		v |= EMAC_TX_FLOW_CTL_EN;
+	else
+		v &= ~EMAC_TX_FLOW_CTL_EN;
+	writel(v, ioaddr + EMAC_TX_FLOW_CTL);
+}
+
+static int sun8i_dwmac_reset(struct stmmac_priv *priv)
+{
+	u32 v;
+	int err;
+
+	v = readl(priv->ioaddr + EMAC_BASIC_CTL1);
+	writel(v | 0x01, priv->ioaddr + EMAC_BASIC_CTL1);
+
+	err = readl_poll_timeout(priv->ioaddr + EMAC_BASIC_CTL1, v,
+				 !(v & 0x01), 100, 10000);
+
+	if (err) {
+		dev_err(priv->device, "EMAC reset timeout\n");
+		return -EFAULT;
+	}
+	return 0;
+}
+
+static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
+{
+	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+	struct device_node *node = priv->device->of_node;
+	int ret;
+	u32 reg, val;
+
+	regmap_read(gmac->regmap, SYSCON_EMAC_REG, &val);
+	reg = gmac->variant->default_syscon_value;
+	if (reg != val)
+		dev_warn(priv->device,
+			 "Current syscon value is not the default %x (expect %x)\n",
+			 val, reg);
+
+	if (gmac->variant->internal_phy) {
+		if (!gmac->use_internal_phy) {
+			/* switch to external PHY interface */
+			reg &= ~H3_EPHY_SELECT;
+		} else {
+			reg |= H3_EPHY_SELECT;
+			reg &= ~H3_EPHY_SHUTDOWN;
+			dev_dbg(priv->device, "Select internal_phy %x\n", reg);
+
+			if (of_property_read_bool(priv->plat->phy_node,
+						  "allwinner,leds-active-low"))
+				reg |= H3_EPHY_LED_POL;
+			else
+				reg &= ~H3_EPHY_LED_POL;
+
+			ret = of_mdio_parse_addr(priv->device,
+						 priv->plat->phy_node);
+			if (ret < 0) {
+				dev_err(priv->device, "Could not parse MDIO addr\n");
+				return ret;
+			}
+			/* of_mdio_parse_addr returns a valid (0 ~ 31) PHY
+			 * address. No need to mask it again.
+			 */
+			reg |= ret << H3_EPHY_ADDR_SHIFT;
+		}
+	}
+
+	if (!of_property_read_u32(node, "allwinner,tx-delay-ps", &val)) {
+		if (val % 100) {
+			dev_err(priv->device, "tx-delay must be a multiple of 100\n");
+			return -EINVAL;
+		}
+		val /= 100;
+		dev_dbg(priv->device, "set tx-delay to %x\n", val);
+		if (val <= SYSCON_ETXDC_MASK) {
+			reg &= ~(SYSCON_ETXDC_MASK << SYSCON_ETXDC_SHIFT);
+			reg |= (val << SYSCON_ETXDC_SHIFT);
+		} else {
+			dev_err(priv->device, "Invalid TX clock delay: %d\n",
+				val);
+			return -EINVAL;
+		}
+	}
+
+	if (!of_property_read_u32(node, "allwinner,rx-delay-ps", &val)) {
+		if (val % 100) {
+			dev_err(priv->device, "rx-delay must be a multiple of 100\n");
+			return -EINVAL;
+		}
+		val /= 100;
+		dev_dbg(priv->device, "set rx-delay to %x\n", val);
+		if (val <= SYSCON_ERXDC_MASK) {
+			reg &= ~(SYSCON_ERXDC_MASK << SYSCON_ERXDC_SHIFT);
+			reg |= (val << SYSCON_ERXDC_SHIFT);
+		} else {
+			dev_err(priv->device, "Invalid RX clock delay: %d\n",
+				val);
+			return -EINVAL;
+		}
+	}
+
+	/* Clear interface mode bits */
+	reg &= ~(SYSCON_ETCS_MASK | SYSCON_EPIT);
+	if (gmac->variant->support_rmii)
+		reg &= ~SYSCON_RMII_EN;
+
+	switch (priv->plat->interface) {
+	case PHY_INTERFACE_MODE_MII:
+		/* default */
+		break;
+	case PHY_INTERFACE_MODE_RGMII:
+		reg |= SYSCON_EPIT | SYSCON_ETCS_INT_GMII;
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		reg |= SYSCON_RMII_EN | SYSCON_ETCS_EXT_GMII;
+		break;
+	default:
+		dev_err(priv->device, "Unsupported interface mode: %s",
+			phy_modes(priv->plat->interface));
+		return -EINVAL;
+	}
+
+	regmap_write(gmac->regmap, SYSCON_EMAC_REG, reg);
+
+	return 0;
+}
+
+static void sun8i_dwmac_unset_syscon(struct sunxi_priv_data *gmac)
+{
+	u32 reg = gmac->variant->default_syscon_value;
+
+	regmap_write(gmac->regmap, SYSCON_EMAC_REG, reg);
+}
+
+static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv)
+{
+	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+	int ret;
+
+	if (!gmac->use_internal_phy)
+		return 0;
+
+	ret = clk_prepare_enable(gmac->ephy_clk);
+	if (ret) {
+		dev_err(priv->device, "Cannot enable ephy\n");
+		return ret;
+	}
+
+	ret = reset_control_deassert(gmac->rst_ephy);
+	if (ret) {
+		dev_err(priv->device, "Cannot deassert ephy\n");
+		clk_disable_unprepare(gmac->ephy_clk);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int sun8i_dwmac_unpower_internal_phy(struct sunxi_priv_data *gmac)
+{
+	if (!gmac->use_internal_phy)
+		return 0;
+
+	clk_disable_unprepare(gmac->ephy_clk);
+	reset_control_assert(gmac->rst_ephy);
+	return 0;
+}
+
+static int sun8i_power_phy(struct stmmac_priv *priv)
+{
+	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+	int ret;
+
+	ret = sun8i_dwmac_power_internal_phy(priv);
+	if (ret)
+		return ret;
+
+	ret = sun8i_dwmac_set_syscon(priv);
+	if (ret)
+		goto error_phy;
+
+	ret = sun8i_dwmac_reset(priv);
+	if (ret)
+		goto error_phy;
+	return 0;
+
+error_phy:
+	sun8i_dwmac_unset_syscon(gmac);
+	sun8i_dwmac_unpower_internal_phy(gmac);
+	return ret;
+}
+
+static void sun8i_unpower_phy(struct sunxi_priv_data *gmac)
+{
+	sun8i_dwmac_unset_syscon(gmac);
+	sun8i_dwmac_unpower_internal_phy(gmac);
+}
+
+static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
+{
+	struct sunxi_priv_data *gmac = priv;
+
+	sun8i_unpower_phy(gmac);
+
+	clk_disable_unprepare(gmac->tx_clk);
+
+	if (gmac->regulator)
+		regulator_disable(gmac->regulator);
+}
+
+static const struct stmmac_ops sun8i_dwmac_ops = {
+	.core_init = sun8i_dwmac_core_init,
+	.set_mac = sun8i_dwmac_set_mac,
+	.dump_regs = sun8i_dwmac_dump_mac_regs,
+	.rx_ipc = sun8i_dwmac_rx_ipc_enable,
+	.set_filter = sun8i_dwmac_set_filter,
+	.flow_ctrl = sun8i_dwmac_flow_ctrl,
+	.set_umac_addr = sun8i_dwmac_set_umac_addr,
+	.get_umac_addr = sun8i_dwmac_get_umac_addr,
+};
+
+static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
+{
+	struct mac_device_info *mac;
+	struct stmmac_priv *priv = ppriv;
+	int ret;
+
+	mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);
+	if (!mac)
+		return NULL;
+
+	ret = sun8i_power_phy(priv);
+	if (ret)
+		return NULL;
+
+	mac->pcsr = priv->ioaddr;
+	mac->mac = &sun8i_dwmac_ops;
+	mac->dma = &sun8i_dwmac_dma_ops;
+
+	mac->link.port = 0;
+	mac->link.duplex = BIT(0);
+	mac->link.speed = 1;
+	mac->mii.addr = EMAC_MDIO_CMD;
+	mac->mii.data = EMAC_MDIO_DATA;
+	mac->mii.reg_shift = 4;
+	mac->mii.reg_mask = GENMASK(8, 4);
+	mac->mii.addr_shift = 12;
+	mac->mii.addr_mask = GENMASK(16, 12);
+	mac->mii.clk_csr_shift = 20;
+	mac->mii.clk_csr_mask = GENMASK(22, 20);
+	mac->unicast_filter_entries = 8;
+
+	/* Synopsys Id is not available */
+	priv->synopsys_id = 0;
+
+	return mac;
+}
+
+static int sun8i_dwmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	struct sunxi_priv_data *gmac;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
+	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
+	if (!gmac)
+		return -ENOMEM;
+
+	gmac->variant = of_device_get_match_data(&pdev->dev);
+	if (!gmac->variant) {
+		dev_err(&pdev->dev, "Missing dwmac-sun8i variant\n");
+		return -EINVAL;
+	}
+
+	gmac->tx_clk = devm_clk_get(dev, "stmmaceth");
+	if (IS_ERR(gmac->tx_clk)) {
+		dev_err(dev, "Could not get TX clock\n");
+		return PTR_ERR(gmac->tx_clk);
+	}
+
+	/* Optional regulator for PHY */
+	gmac->regulator = devm_regulator_get_optional(dev, "phy");
+	if (IS_ERR(gmac->regulator)) {
+		if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		dev_info(dev, "No regulator found\n");
+		gmac->regulator = NULL;
+	}
+
+	gmac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+						       "syscon");
+	if (IS_ERR(gmac->regmap)) {
+		ret = PTR_ERR(gmac->regmap);
+		dev_err(&pdev->dev, "Unable to map syscon: %d\n", ret);
+		return ret;
+	}
+
+	plat_dat->interface = of_get_phy_mode(dev->of_node);
+	if (plat_dat->interface == gmac->variant->internal_phy) {
+		dev_info(&pdev->dev, "Will use internal PHY\n");
+		gmac->use_internal_phy = true;
+		gmac->ephy_clk = of_clk_get(plat_dat->phy_node, 0);
+		if (IS_ERR(gmac->ephy_clk)) {
+			ret = PTR_ERR(gmac->ephy_clk);
+			dev_err(&pdev->dev, "Cannot get EPHY clock: %d\n", ret);
+			return -EINVAL;
+		}
+
+		gmac->rst_ephy = of_reset_control_get(plat_dat->phy_node, NULL);
+		if (IS_ERR(gmac->rst_ephy)) {
+			ret = PTR_ERR(gmac->rst_ephy);
+			if (ret == -EPROBE_DEFER)
+				return ret;
+			dev_err(&pdev->dev, "No EPHY reset control found %d\n",
+				ret);
+			return -EINVAL;
+		}
+	} else {
+		dev_info(&pdev->dev, "Will use external PHY\n");
+		gmac->use_internal_phy = false;
+	}
+
+	/* platform data specifying hardware features and callbacks.
+	 * hardware features were copied from Allwinner drivers.
+	 */
+	plat_dat->rx_coe = STMMAC_RX_COE_TYPE2;
+	plat_dat->tx_coe = 1;
+	plat_dat->has_sun8i = true;
+	plat_dat->bsp_priv = gmac;
+	plat_dat->init = sun8i_dwmac_init;
+	plat_dat->exit = sun8i_dwmac_exit;
+	plat_dat->setup = sun8i_dwmac_setup;
+
+	ret = sun8i_dwmac_init(pdev, plat_dat->bsp_priv);
+	if (ret)
+		return ret;
+
+	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+	if (ret)
+		sun8i_dwmac_exit(pdev, plat_dat->bsp_priv);
+
+	return ret;
+}
+
+static const struct of_device_id sun8i_dwmac_match[] = {
+	{ .compatible = "allwinner,sun8i-h3-emac",
+		.data = &emac_variant_h3 },
+	{ .compatible = "allwinner,sun8i-a83t-emac",
+		.data = &emac_variant_a83t },
+	{ .compatible = "allwinner,sun50i-a64-emac",
+		.data = &emac_variant_a64 },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
+
+static struct platform_driver sun8i_dwmac_driver = {
+	.probe  = sun8i_dwmac_probe,
+	.remove = stmmac_pltfr_remove,
+	.driver = {
+		.name           = "dwmac-sun8i",
+		.pm		= &stmmac_pltfr_pm_ops,
+		.of_match_table = sun8i_dwmac_match,
+	},
+};
+module_platform_driver(sun8i_dwmac_driver);
+
+MODULE_AUTHOR("Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>");
+MODULE_DESCRIPTION("Allwinner sun8i DWMAC specific glue layer");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b82ab64..39777a7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -235,6 +235,17 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
 		else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M))
 			priv->clk_csr = STMMAC_CSR_250_300M;
 	}
+
+	if (priv->plat->has_sun8i) {
+		if (clk_rate > 160000000)
+			priv->clk_csr = 0x03;
+		else if (clk_rate > 80000000)
+			priv->clk_csr = 0x02;
+		else if (clk_rate > 40000000)
+			priv->clk_csr = 0x01;
+		else
+			priv->clk_csr = 0;
+	}
 }
 
 static void print_pkt(unsigned char *buf, int len)
@@ -784,6 +795,14 @@ static void stmmac_adjust_link(struct net_device *dev)
 	if (phydev->link) {
 		u32 ctrl = readl(priv->ioaddr + MAC_CTRL_REG);
 
+		/* dwmac-sun8i handle loopback in MAC_CTRL_REG */
+		if (priv->plat->has_sun8i) {
+			if (dev->features & NETIF_F_LOOPBACK)
+				ctrl |= BIT(1);
+			else
+				ctrl &= ~BIT(1);
+		}
+
 		/* Now we make sure that we can be in full duplex mode.
 		 * If not, we operate in half-duplex mode. */
 		if (phydev->duplex != priv->oldduplex) {
@@ -800,6 +819,8 @@ static void stmmac_adjust_link(struct net_device *dev)
 
 		if (phydev->speed != priv->speed) {
 			new_state = 1;
+			if (priv->plat->has_sun8i)
+				ctrl &= ~GENMASK(3, 2);
 			switch (phydev->speed) {
 			case 1000:
 				if (priv->plat->has_gmac ||
@@ -811,6 +832,8 @@ static void stmmac_adjust_link(struct net_device *dev)
 				    priv->plat->has_gmac4) {
 					ctrl |= priv->hw->link.port;
 					ctrl |= priv->hw->link.speed;
+				} else if (priv->plat->has_sun8i) {
+					ctrl |= 3 << 2;
 				} else {
 					ctrl &= ~priv->hw->link.port;
 				}
@@ -820,6 +843,8 @@ static void stmmac_adjust_link(struct net_device *dev)
 				    priv->plat->has_gmac4) {
 					ctrl |= priv->hw->link.port;
 					ctrl &= ~(priv->hw->link.speed);
+				} else if (priv->plat->has_sun8i) {
+					ctrl |= 2 << 2;
 				} else {
 					ctrl &= ~priv->hw->link.port;
 				}
@@ -3969,6 +3994,10 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
 
 	priv->hw = mac;
 
+	/* dwmac-sun8i only work in chain mode */
+	if (priv->plat->has_sun8i)
+		chain_mode = 1;
+
 	/* To use the chained or ring mode */
 	if (priv->synopsys_id >= DWMAC_CORE_4_00) {
 		priv->hw->mode = &dwmac4_ring_mode_ops;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 7fc3a1e..3840529 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -309,6 +309,12 @@ static int stmmac_dt_phy(struct plat_stmmacenet_data *plat,
 			 struct device_node *np, struct device *dev)
 {
 	bool mdio = true;
+	static const struct of_device_id need_mdio_ids[] = {
+		{ .compatible = "snps,dwc-qos-ethernet-4.10" },
+		{ .compatible = "allwinner,sun8i-a83t-emac" },
+		{ .compatible = "allwinner,sun8i-h3-emac" },
+		{ .compatible = "allwinner,sun50i-a64-emac" },
+	};
 
 	/* If phy-handle property is passed from DT, use it as the PHY */
 	plat->phy_node = of_parse_phandle(np, "phy-handle", 0);
@@ -325,8 +331,7 @@ static int stmmac_dt_phy(struct plat_stmmacenet_data *plat,
 		mdio = false;
 	}
 
-	/* exception for dwmac-dwc-qos-eth glue logic */
-	if (of_device_is_compatible(np, "snps,dwc-qos-ethernet-4.10")) {
+	if (of_match_node(need_mdio_ids, np)) {
 		plat->mdio_node = of_get_child_by_name(np, "mdio");
 	} else {
 		/**
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 8bb550b..108739f 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -186,6 +186,7 @@ struct plat_stmmacenet_data {
 	struct reset_control *stmmac_rst;
 	struct stmmac_axi *axi;
 	int has_gmac4;
+	bool has_sun8i;
 	bool tso_en;
 	int mac_port_sel_speed;
 	bool en_tx_lpi_clockgating;
-- 
2.10.2

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* [PATCH v5 03/20] dt-bindings: net: Add DT bindings documentation for Allwinner dwmac-sun8i
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

This patch adds documentation for Device-Tree bindings for the
Allwinner dwmac-sun8i driver.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 .../devicetree/bindings/net/dwmac-sun8i.txt        | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dwmac-sun8i.txt

diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
new file mode 100644
index 0000000..05cd067
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
@@ -0,0 +1,77 @@
+* Allwinner sun8i GMAC ethernet controller
+
+This device is a platform glue layer for stmmac.
+Please see stmmac.txt for the other unchanged properties.
+
+Required properties:
+- compatible: should be one of the following string:
+		"allwinner,sun8i-a83t-emac"
+		"allwinner,sun8i-h3-emac"
+		"allwinner,sun50i-a64-emac"
+- reg: address and length of the register for the device.
+- interrupts: interrupt for the device
+- interrupt-names: should be "macirq"
+- clocks: A phandle to the reference clock for this device
+- clock-names: should be "stmmaceth"
+- resets: A phandle to the reset control for this device
+- reset-names: should be "stmmaceth"
+- phy-mode: See ethernet.txt
+- phy-handle: See ethernet.txt
+- #address-cells: shall be 1
+- #size-cells: shall be 0
+- syscon: A phandle to the syscon of the SoC with one of the following
+ compatible string:
+  - allwinner,sun8i-h3-system-controller
+  - allwinner,sun50i-a64-system-controller
+  - allwinner,sun8i-a83t-system-controller
+
+Optional properties:
+- allwinner,tx-delay-ps: TX clock delay chain value in ps. Range value is 0-700. Default is 0)
+- allwinner,rx-delay-ps: RX clock delay chain value in ps. Range value is 0-3100. Default is 0)
+Both delay properties need to be a multiple of 100.
+
+Optional properties for "allwinner,sun8i-h3-emac":
+- allwinner,leds-active-low: EPHY LEDs are active low
+
+Required child node of emac:
+- mdio bus node: should be named mdio
+
+Required properties of the mdio node:
+- #address-cells: shall be 1
+- #size-cells: shall be 0
+
+The device node referenced by "phy" or "phy-handle" should be a child node
+of the mdio node. See phy.txt for the generic PHY bindings.
+
+Required properties of the phy node with "allwinner,sun8i-h3-emac":
+- clocks: a phandle to the reference clock for the EPHY
+- resets: a phandle to the reset control for the EPHY
+
+Example:
+
+emac: ethernet@1c0b000 {
+	compatible = "allwinner,sun8i-h3-emac";
+	syscon = <&syscon>;
+	reg = <0x01c0b000 0x104>;
+	interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+	interrupt-names = "macirq";
+	resets = <&ccu RST_BUS_EMAC>;
+	reset-names = "stmmaceth";
+	clocks = <&ccu CLK_BUS_EMAC>;
+	clock-names = "stmmaceth";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	phy = <&int_mii_phy>;
+	phy-mode = "mii";
+	allwinner,leds-active-low;
+	mdio: mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		int_mii_phy: ethernet-phy@1 {
+			reg = <1>;
+			clocks = <&ccu CLK_BUS_EPHY>;
+			resets = <&ccu RST_BUS_EPHY>;
+		};
+	};
+};
-- 
2.10.2

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^ permalink raw reply related

* [PATCH v5 02/20] net: stmmac: add optional setup function
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt, mark.rutland, maxime.ripard, wens, linux,
	catalin.marinas, will.deacon, peppe.cavallaro, alexandre.torgue
  Cc: devicetree, Corentin Labbe, linux-kernel, linux-arm-kernel,
	netdev
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie@gmail.com>

Instead of adding more ifthen logic for adding a new mac_device_info
setup function, it is easier to add a function pointer to the function
needed.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 +++-
 include/linux/stmmac.h                            | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index cd8c601..b82ab64 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3947,7 +3947,9 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
 	struct mac_device_info *mac;
 
 	/* Identify the MAC HW device */
-	if (priv->plat->has_gmac) {
+	if (priv->plat->setup) {
+		mac = priv->plat->setup(priv);
+	} else if (priv->plat->has_gmac) {
 		priv->dev->priv_flags |= IFF_UNICAST_FLT;
 		mac = dwmac1000_setup(priv->ioaddr,
 				      priv->plat->multicast_filter_bins,
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 3921cb9..8bb550b 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -177,6 +177,7 @@ struct plat_stmmacenet_data {
 	void (*fix_mac_speed)(void *priv, unsigned int speed);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);
+	struct mac_device_info *(*setup)(void *priv);
 	void *bsp_priv;
 	struct clk *stmmac_clk;
 	struct clk *pclk;
-- 
2.10.2

^ permalink raw reply related

* [PATCH v5 01/20] net: stmmac: export stmmac_set_mac_addr/stmmac_get_mac_addr
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe
In-Reply-To: <20170501124520.3769-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Thoses symbol will be needed for the dwmac-sun8i ethernet driver.
For letting it to be build as module, they need to be exported.

Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
index 38f9430..67af0bd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -248,6 +248,7 @@ void stmmac_set_mac_addr(void __iomem *ioaddr, u8 addr[6],
 	data = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
 	writel(data, ioaddr + low);
 }
+EXPORT_SYMBOL_GPL(stmmac_set_mac_addr);
 
 /* Enable disable MAC RX/TX */
 void stmmac_set_mac(void __iomem *ioaddr, bool enable)
@@ -279,4 +280,4 @@ void stmmac_get_mac_addr(void __iomem *ioaddr, unsigned char *addr,
 	addr[4] = hi_addr & 0xff;
 	addr[5] = (hi_addr >> 8) & 0xff;
 }
-
+EXPORT_SYMBOL_GPL(stmmac_get_mac_addr);
-- 
2.10.2

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* [PATCH v5 00/20] net-next: stmmac: add dwmac-sun8i ethernet driver
From: Corentin Labbe @ 2017-05-01 12:45 UTC (permalink / raw)
  To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
	maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8, wens-jdAy2FN1RRM,
	linux-I+IVW8TIWO2tmTQ+vhA3Yw, catalin.marinas-5wv7dgnIgG8,
	will.deacon-5wv7dgnIgG8, peppe.cavallaro-qxv4g6HH51o,
	alexandre.torgue-qxv4g6HH51o
  Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	netdev-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Corentin Labbe

Hello

This patch series add the driver for dwmac-sun8i which handle the Ethernet MAC
present on Allwinner H3/H5/A83T/A64 SoCs.

This driver is the continuation of the sun8i-emac driver.
During the development, it appeared that in fact the hardware was a modified
version of some dwmac.
So the driver is now written as a glue driver for stmmac.

It supports 10/100/1000 Mbit/s speed with half/full duplex.
It can use an internal PHY (MII 10/100) or an external PHY
via RGMII/RMII.

This patch series enable the driver only for the H3/A64/H5 SoC since A83T
doesn't have the necessary clocks present in mainline.

The driver have been tested on the following boards:
- H3 Orange PI PC, BananaPI-M2+
- A64 Pine64, BananaPi-M64
- A83T BananaPI-M3

The first two patchs are some mandatory changes for letting dwmac-sun8i be used.
The following three patchs add the driver and its documentation.
The remaining are DT patch enabling it.

Regards
Corentin Labbe

Changes since v4:
- Re-ordered by alphabetical order some DT nodes
- Fixed arm64 patch prefix
- Simplified power/unpower_phy functions by testing the use of internal_phy
- Added a patch for adding dwmac-sun8i to arm64 defconfig
- Fix a typo in sun50i-a64-system-controller (wrongly used sun8i)
- Reworked uc/mc filter address setting

Changes since v3:
- Renamed tx-delay/rx-delay to tx-delay-ps/rx-delay-ps
- fix syscon compatible example
- Changed parameter type for setup() function
- Dropped some DT patchs for boards which I could not test further

Changes since v2:
- corrected order of syscon compatible
- added compatible = "ethernet-phy-ieee802.3-c22 to PHY
- added set_mac function

Changes since v1:
- added TX/RX delay units
- splitted syscon documentation in its own patch
- regulator is now disabled after clk_prepare_enable(gmac->tx_clk) error
- Fixed a memory leak on mac_device_info
- Use now generic pin config for all DT stuff
- CONFIG_DWMAC_SUN8I is now set to y in defconfigs

Corentin Labbe (20):
  net: stmmac: export stmmac_set_mac_addr/stmmac_get_mac_addr
  net: stmmac: add optional setup function
  dt-bindings: net: Add DT bindings documentation for Allwinner
    dwmac-sun8i
  dt-bindings: syscon: Add DT bindings documentation for Allwinner
    syscon
  net: stmmac: Add dwmac-sun8i
  arm: sun8i: sunxi-h3-h5: Add dt node for the syscon control module
  arm: sun8i: sunxi-h3-h5: add dwmac-sun8i ethernet driver
  arm: sun8i: orangepi-pc: Enable dwmac-sun8i
  arm: sun8i: orangepi-zero: Enable dwmac-sun8i
  arm: sun8i: orangepi-one: Enable dwmac-sun8i
  arm: sun8i: orangepi-2: Enable dwmac-sun8i
  arm: sun8i: orangepi-pc-plus: Set EMAC activity LEDs to active high
  arm64: allwinner: sun50i-a64: Add dt node for the syscon control
    module
  arm64: allwinner: sun50i-a64: add dwmac-sun8i Ethernet driver
  arm64: allwinner: pine64: Enable dwmac-sun8i
  arm64: allwinner: pine64-plus: Enable dwmac-sun8i
  arm64: allwinner: bananapi-m64: Enable dwmac-sun8i
  arm: sunxi: Enable dwmac-sun8i driver on sunxi_defconfig
  arm: multi_v7: Enable dwmac-sun8i driver on multi_v7_defconfig
  arm64: defconfig: Enable dwmac-sun8i driver on defconfig

 .../devicetree/bindings/misc/allwinner,syscon.txt  |  19 +
 .../devicetree/bindings/net/dwmac-sun8i.txt        |  77 ++
 arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts  |   8 +
 arch/arm/boot/dts/sun8i-h3-orangepi-2.dts          |   8 +
 arch/arm/boot/dts/sun8i-h3-orangepi-one.dts        |   8 +
 arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts    |   5 +
 arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts         |   8 +
 arch/arm/boot/dts/sunxi-h3-h5.dtsi                 |  40 +
 arch/arm/configs/multi_v7_defconfig                |   1 +
 arch/arm/configs/sunxi_defconfig                   |   1 +
 .../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts |  15 +
 .../boot/dts/allwinner/sun50i-a64-pine64-plus.dts  |  17 +-
 .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts |  16 +
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      |  41 +
 arch/arm64/configs/defconfig                       |   1 +
 drivers/net/ethernet/stmicro/stmmac/Kconfig        |  11 +
 drivers/net/ethernet/stmicro/stmmac/Makefile       |   1 +
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c  | 973 +++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c    |   3 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  |  33 +-
 .../net/ethernet/stmicro/stmmac/stmmac_platform.c  |   9 +-
 include/linux/stmmac.h                             |   2 +
 22 files changed, 1292 insertions(+), 5 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/misc/allwinner,syscon.txt
 create mode 100644 Documentation/devicetree/bindings/net/dwmac-sun8i.txt
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c

-- 
2.10.2

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^ permalink raw reply

* Re: [PATCH 00/53] Netfilter/IPVS updates for net-next
From: Pablo Neira Ayuso @ 2017-05-01 10:53 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

On Mon, May 01, 2017 at 12:46:27PM +0200, Pablo Neira Ayuso wrote:
> Hi David,
> 
> The following patchset contains Netfilter updates for your net-next
> tree. A large bunch of code cleanups, XXX they are:

Oh well, it case you can amend XXX thing there, David. This should be
instead...

The following patchset contains Netfilter updates for your net-next
tree. A large bunch of code cleanups, simplify the conntrack extension
codebase, get rid of the fake conntrack object, speed up netns by
selective synchronize_net() calls. More specifically, they are:

...

Sorry, it seems my robot took some incomplete draft.

^ permalink raw reply

* Re: [PATCH net-next 4/4] virtio_net: make use of extended ack message reporting
From: Daniel Borkmann @ 2017-05-01 10:50 UTC (permalink / raw)
  To: Jakub Kicinski, netdev
  Cc: davem, johannes, dsa, alexei.starovoitov, bblanco, john.fastabend,
	kubakici, oss-drivers, brouer, jhs
In-Reply-To: <20170501044648.13022-5-jakub.kicinski@netronome.com>

On 05/01/2017 06:46 AM, Jakub Kicinski wrote:
> Try to carry error messages to the user via the netlink extended
> ack message attribute.
>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>

[...]
> @@ -1890,16 +1891,17 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog)
>   	    virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO6) ||
>   	    virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) ||
>   	    virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_UFO)) {
> -		netdev_warn(dev, "can't set XDP while host is implementing LRO, disable LRO first\n");
> +		NL_SET_ERR_MSG(extack, "can't set XDP while host is implementing LRO, disable LRO first");

Should this be NL_MOD_TRY_SET_ERR_MSG() as well like in nfp case
(otherwise the 'if (_extack)' check might be missing from the
macro)?

Thanks,
Daniel

^ permalink raw reply

* [PATCH 47/53] ipvs: remove unused function ip_vs_set_state_timeout
From: Pablo Neira Ayuso @ 2017-05-01 10:47 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

From: Aaron Conole <aconole@bytheb.org>

There are no in-tree callers of this function and it isn't exported.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 include/net/ip_vs.h              |  2 --
 net/netfilter/ipvs/ip_vs_proto.c | 22 ----------------------
 2 files changed, 24 deletions(-)

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 632082300e77..4f4f786255ef 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1349,8 +1349,6 @@ int ip_vs_protocol_init(void);
 void ip_vs_protocol_cleanup(void);
 void ip_vs_protocol_timeout_change(struct netns_ipvs *ipvs, int flags);
 int *ip_vs_create_timeout_table(int *table, int size);
-int ip_vs_set_state_timeout(int *table, int num, const char *const *names,
-			    const char *name, int to);
 void ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
 			       const struct sk_buff *skb, int offset,
 			       const char *msg);
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 8ae480715cea..ca880a3ad033 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -193,28 +193,6 @@ ip_vs_create_timeout_table(int *table, int size)
 }
 
 
-/*
- *	Set timeout value for state specified by name
- */
-int
-ip_vs_set_state_timeout(int *table, int num, const char *const *names,
-			const char *name, int to)
-{
-	int i;
-
-	if (!table || !name || !to)
-		return -EINVAL;
-
-	for (i = 0; i < num; i++) {
-		if (strcmp(names[i], name))
-			continue;
-		table[i] = to * HZ;
-		return 0;
-	}
-	return -ENOENT;
-}
-
-
 const char * ip_vs_state_name(__u16 proto, int state)
 {
 	struct ip_vs_protocol *pp = ip_vs_proto_get(proto);
-- 
2.1.4

^ permalink raw reply related

* [PATCH 46/53] netfilter: don't attach a nat extension by default
From: Pablo Neira Ayuso @ 2017-05-01 10:47 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

From: Florian Westphal <fw@strlen.de>

nowadays the NAT extension only stores the interface index
(used to purge connections that got masqueraded when interface goes down)
and pptp nat information.

Previous patches moved nf_ct_nat_ext_add to those places that need it.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/net/netfilter/nf_nat.h           | 2 +-
 net/ipv4/netfilter/nf_nat_l3proto_ipv4.c | 4 +---
 net/ipv6/netfilter/nf_nat_l3proto_ipv6.c | 4 +---
 net/netfilter/nf_nat_core.c              | 6 ------
 4 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index c327a431a6f3..05c82a1a4267 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -67,7 +67,7 @@ static inline bool nf_nat_oif_changed(unsigned int hooknum,
 {
 #if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \
     IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6)
-	return nat->masq_index && hooknum == NF_INET_POST_ROUTING &&
+	return nat && nat->masq_index && hooknum == NF_INET_POST_ROUTING &&
 	       CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL &&
 	       nat->masq_index != out->ifindex;
 #else
diff --git a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
index e3bfa6a169f0..feedd759ca80 100644
--- a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
@@ -264,9 +264,7 @@ nf_nat_ipv4_fn(void *priv, struct sk_buff *skb,
 	if (!ct)
 		return NF_ACCEPT;
 
-	nat = nf_ct_nat_ext_add(ct);
-	if (nat == NULL)
-		return NF_ACCEPT;
+	nat = nfct_nat(ct);
 
 	switch (ctinfo) {
 	case IP_CT_RELATED:
diff --git a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
index 922b5aef273c..bf3ad3e7b647 100644
--- a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
@@ -273,9 +273,7 @@ nf_nat_ipv6_fn(void *priv, struct sk_buff *skb,
 	if (!ct)
 		return NF_ACCEPT;
 
-	nat = nf_ct_nat_ext_add(ct);
-	if (nat == NULL)
-		return NF_ACCEPT;
+	nat = nfct_nat(ct);
 
 	switch (ctinfo) {
 	case IP_CT_RELATED:
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 86eeacbb4793..ec9e6d8101b9 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -408,12 +408,6 @@ nf_nat_setup_info(struct nf_conn *ct,
 		  enum nf_nat_manip_type maniptype)
 {
 	struct nf_conntrack_tuple curr_tuple, new_tuple;
-	struct nf_conn_nat *nat;
-
-	/* nat helper or nfctnetlink also setup binding */
-	nat = nf_ct_nat_ext_add(ct);
-	if (nat == NULL)
-		return NF_ACCEPT;
 
 	NF_CT_ASSERT(maniptype == NF_NAT_MANIP_SRC ||
 		     maniptype == NF_NAT_MANIP_DST);
-- 
2.1.4

^ permalink raw reply related

* [PATCH 44/53] netfilter: masquerade: attach nat extension if not present
From: Pablo Neira Ayuso @ 2017-05-01 10:47 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

From: Florian Westphal <fw@strlen.de>

Currently the nat extension is always attached as soon as nat module is
loaded.  However, most NAT uses do not need the nat extension anymore.

Prepare to remove the add-nat-by-default by making those places that need
it attach it if its not present yet.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/ipv4/netfilter/nf_nat_masquerade_ipv4.c | 5 +++--
 net/ipv6/netfilter/nf_nat_masquerade_ipv6.c | 5 ++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
index ea91058b5f6f..dc1dea15c1b4 100644
--- a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
+++ b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
@@ -37,7 +37,6 @@ nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum,
 	NF_CT_ASSERT(hooknum == NF_INET_POST_ROUTING);
 
 	ct = nf_ct_get(skb, &ctinfo);
-	nat = nfct_nat(ct);
 
 	NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
 			    ctinfo == IP_CT_RELATED_REPLY));
@@ -56,7 +55,9 @@ nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum,
 		return NF_DROP;
 	}
 
-	nat->masq_index = out->ifindex;
+	nat = nf_ct_nat_ext_add(ct);
+	if (nat)
+		nat->masq_index = out->ifindex;
 
 	/* Transfer from original range. */
 	memset(&newrange.min_addr, 0, sizeof(newrange.min_addr));
diff --git a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
index 051b6a6bfff6..2297c9f073ba 100644
--- a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
@@ -30,6 +30,7 @@ nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range *range,
 		       const struct net_device *out)
 {
 	enum ip_conntrack_info ctinfo;
+	struct nf_conn_nat *nat;
 	struct in6_addr src;
 	struct nf_conn *ct;
 	struct nf_nat_range newrange;
@@ -42,7 +43,9 @@ nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range *range,
 			       &ipv6_hdr(skb)->daddr, 0, &src) < 0)
 		return NF_DROP;
 
-	nfct_nat(ct)->masq_index = out->ifindex;
+	nat = nf_ct_nat_ext_add(ct);
+	if (nat)
+		nat->masq_index = out->ifindex;
 
 	newrange.flags		= range->flags | NF_NAT_RANGE_MAP_IPS;
 	newrange.min_addr.in6	= src;
-- 
2.1.4

^ permalink raw reply related

* [PATCH 48/53] ipvs: change comparison on sync_refresh_period
From: Pablo Neira Ayuso @ 2017-05-01 10:47 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

From: Aaron Conole <aconole@bytheb.org>

The sync_refresh_period variable is unsigned, so it can never be < 0.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 net/netfilter/ipvs/ip_vs_sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 30d6b2cc00a0..0e5b64a75da0 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -520,7 +520,7 @@ static int ip_vs_sync_conn_needed(struct netns_ipvs *ipvs,
 		if (!(cp->flags & IP_VS_CONN_F_TEMPLATE) &&
 		    pkts % sync_period != sysctl_sync_threshold(ipvs))
 			return 0;
-	} else if (sync_refresh_period <= 0 &&
+	} else if (!sync_refresh_period &&
 		   pkts != sysctl_sync_threshold(ipvs))
 		return 0;
 
-- 
2.1.4

^ permalink raw reply related

* [PATCH 45/53] netfilter: pptp: attach nat extension when needed
From: Pablo Neira Ayuso @ 2017-05-01 10:47 UTC (permalink / raw)
  To: netfilter-devel; +Cc: davem, netdev
In-Reply-To: <1493635640-24325-1-git-send-email-pablo@netfilter.org>

From: Florian Westphal <fw@strlen.de>

make sure nat extension gets added if the master conntrack is subject to
NAT.  This will be required once the nat core stops adding it by default.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/ipv4/netfilter/nf_nat_pptp.c  | 25 +++++++++++++++++++++----
 net/netfilter/nf_conntrack_pptp.c | 12 ++++++++++--
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index 211fee5fe59d..8a69363b4884 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -49,9 +49,14 @@ static void pptp_nat_expected(struct nf_conn *ct,
 	const struct nf_ct_pptp_master *ct_pptp_info;
 	const struct nf_nat_pptp *nat_pptp_info;
 	struct nf_nat_range range;
+	struct nf_conn_nat *nat;
 
+	nat = nf_ct_nat_ext_add(ct);
+	if (WARN_ON_ONCE(!nat))
+		return;
+
+	nat_pptp_info = &nat->help.nat_pptp_info;
 	ct_pptp_info = nfct_help_data(master);
-	nat_pptp_info = &nfct_nat(master)->help.nat_pptp_info;
 
 	/* And here goes the grand finale of corrosion... */
 	if (exp->dir == IP_CT_DIR_ORIGINAL) {
@@ -120,13 +125,17 @@ pptp_outbound_pkt(struct sk_buff *skb,
 
 {
 	struct nf_ct_pptp_master *ct_pptp_info;
+	struct nf_conn_nat *nat = nfct_nat(ct);
 	struct nf_nat_pptp *nat_pptp_info;
 	u_int16_t msg;
 	__be16 new_callid;
 	unsigned int cid_off;
 
+	if (WARN_ON_ONCE(!nat))
+		return NF_DROP;
+
+	nat_pptp_info = &nat->help.nat_pptp_info;
 	ct_pptp_info = nfct_help_data(ct);
-	nat_pptp_info = &nfct_nat(ct)->help.nat_pptp_info;
 
 	new_callid = ct_pptp_info->pns_call_id;
 
@@ -191,11 +200,15 @@ pptp_exp_gre(struct nf_conntrack_expect *expect_orig,
 	     struct nf_conntrack_expect *expect_reply)
 {
 	const struct nf_conn *ct = expect_orig->master;
+	struct nf_conn_nat *nat = nfct_nat(ct);
 	struct nf_ct_pptp_master *ct_pptp_info;
 	struct nf_nat_pptp *nat_pptp_info;
 
+	if (WARN_ON_ONCE(!nat))
+		return;
+
+	nat_pptp_info = &nat->help.nat_pptp_info;
 	ct_pptp_info = nfct_help_data(ct);
-	nat_pptp_info = &nfct_nat(ct)->help.nat_pptp_info;
 
 	/* save original PAC call ID in nat_info */
 	nat_pptp_info->pac_call_id = ct_pptp_info->pac_call_id;
@@ -223,11 +236,15 @@ pptp_inbound_pkt(struct sk_buff *skb,
 		 union pptp_ctrl_union *pptpReq)
 {
 	const struct nf_nat_pptp *nat_pptp_info;
+	struct nf_conn_nat *nat = nfct_nat(ct);
 	u_int16_t msg;
 	__be16 new_pcid;
 	unsigned int pcid_off;
 
-	nat_pptp_info = &nfct_nat(ct)->help.nat_pptp_info;
+	if (WARN_ON_ONCE(!nat))
+		return NF_DROP;
+
+	nat_pptp_info = &nat->help.nat_pptp_info;
 	new_pcid = nat_pptp_info->pns_call_id;
 
 	switch (msg = ntohs(ctlh->messageType)) {
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index 126031909fc7..6959e93063d4 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -263,7 +263,7 @@ static int exp_gre(struct nf_conn *ct, __be16 callid, __be16 peer_callid)
 	goto out_put_both;
 }
 
-static inline int
+static int
 pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
 		 struct PptpControlHeader *ctlh,
 		 union pptp_ctrl_union *pptpReq,
@@ -391,7 +391,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
 	return NF_ACCEPT;
 }
 
-static inline int
+static int
 pptp_outbound_pkt(struct sk_buff *skb, unsigned int protoff,
 		  struct PptpControlHeader *ctlh,
 		  union pptp_ctrl_union *pptpReq,
@@ -523,6 +523,14 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff,
 	int ret;
 	u_int16_t msg;
 
+#if IS_ENABLED(CONFIG_NF_NAT)
+	if (!nf_ct_is_confirmed(ct) && (ct->status & IPS_NAT_MASK)) {
+		struct nf_conn_nat *nat = nf_ct_ext_find(ct, NF_CT_EXT_NAT);
+
+		if (!nat && !nf_ct_ext_add(ct, NF_CT_EXT_NAT, GFP_ATOMIC))
+			return NF_DROP;
+	}
+#endif
 	/* don't do any tracking before tcp handshake complete */
 	if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
 		return NF_ACCEPT;
-- 
2.1.4

^ permalink raw reply related


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