Merge 24f7cf9b85 ("Merge tag 'mac80211-next-for-net-next-2021-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next") into android-mainline

Steps on the way to 5.16-rc1

Resolves conflicts in:
	include/net/sock.h

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I65e908f7cb0a0588b4eb37afb0ce221981d0aab5

Documentation/devicetree/bindings/net/asix,ax88796c.yaml

@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/asix,ax88796c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASIX AX88796C SPI Ethernet Adapter
+
+maintainers:
+  - Łukasz Stelmach <l.stelmach@samsung.com>
+
+description: |
+  ASIX AX88796C is an Ethernet controller with a built in PHY. This
+  describes SPI mode of the chip.
+
+  The node for this driver must be a child node of an SPI controller,
+  hence all mandatory properties described in
+  ../spi/spi-controller.yaml must be specified.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    const: asix,ax88796c
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 40000000
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      A GPIO line handling reset of the chip. As the line is active low,
+      it should be marked GPIO_ACTIVE_LOW.
+    maxItems: 1
+
+  local-mac-address: true
+
+  mac-address: true
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+  - interrupts
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  # Artik5 eval board
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    spi0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet@0 {
+            compatible = "asix,ax88796c";
+            reg = <0x0>;
+            local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
+            interrupt-parent = <&gpx2>;
+            interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+            spi-max-frequency = <40000000>;
+            reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
+        };
+    };

Documentation/devicetree/bindings/net/dsa/dsa.yaml

@@ -46,6 +46,9 @@ patternProperties:
         type: object
         description: Ethernet switch ports
 
+        allOf:
+          - $ref: "http://devicetree.org/schemas/net/ethernet-controller.yaml#"
+
         properties:
           reg:
             description: Port number
@@ -73,11 +76,14 @@ patternProperties:
           dsa-tag-protocol:
             description:
               Instead of the default, the switch will use this tag protocol if
-              possible. Useful when a device supports multiple protcols and
+              possible. Useful when a device supports multiple protocols and
               the default is incompatible with the Ethernet device.
             enum:
               - dsa
               - edsa
+              - ocelot
+              - ocelot-8021q
+              - seville
 
           phy-handle: true
 
@@ -91,6 +97,10 @@ patternProperties:
 
           managed: true
 
+          rx-internal-delay-ps: true
+
+          tx-internal-delay-ps: true
+
         required:
           - reg
 

Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml

@@ -74,10 +74,42 @@ properties:
           - compatible
           - reg
 
+patternProperties:
+  "^(ethernet-)?ports$":
+    patternProperties:
+      "^(ethernet-)?port@[0-9]+$":
+        allOf:
+          - if:
+              properties:
+                phy-mode:
+                  contains:
+                    enum:
+                      - rgmii
+                      - rgmii-rxid
+                      - rgmii-txid
+                      - rgmii-id
+            then:
+              properties:
+                rx-internal-delay-ps:
+                  $ref: "#/$defs/internal-delay-ps"
+                tx-internal-delay-ps:
+                  $ref: "#/$defs/internal-delay-ps"
+
 required:
   - compatible
   - reg
 
+$defs:
+  internal-delay-ps:
+    description:
+      Disable tunable delay lines using 0 ps, or enable them and select
+      the phase between 1640 ps (73.8 degree shift at 1Gbps) and 2260 ps
+      (101.7 degree shift) in increments of 0.9 degrees (20 ps).
+    enum:
+      [0, 1640, 1660, 1680, 1700, 1720, 1740, 1760, 1780, 1800, 1820, 1840,
+       1860, 1880, 1900, 1920, 1940, 1960, 1980, 2000, 2020, 2040, 2060, 2080,
+       2100, 2120, 2140, 2160, 2180, 2200, 2220, 2240, 2260]
+
 unevaluatedProperties: false
 
 examples:
@@ -97,29 +129,40 @@ examples:
                             port@0 {
                                     phy-handle = <&rgmii_phy6>;
                                     phy-mode = "rgmii-id";
+                                    rx-internal-delay-ps = <0>;
+                                    tx-internal-delay-ps = <0>;
                                     reg = <0>;
                             };
 
                             port@1 {
                                     phy-handle = <&rgmii_phy3>;
                                     phy-mode = "rgmii-id";
+                                    rx-internal-delay-ps = <0>;
+                                    tx-internal-delay-ps = <0>;
                                     reg = <1>;
                             };
 
                             port@2 {
                                     phy-handle = <&rgmii_phy4>;
                                     phy-mode = "rgmii-id";
+                                    rx-internal-delay-ps = <0>;
+                                    tx-internal-delay-ps = <0>;
                                     reg = <2>;
                             };
 
                             port@3 {
+                                    phy-handle = <&rgmii_phy4>;
                                     phy-mode = "rgmii-id";
+                                    rx-internal-delay-ps = <0>;
+                                    tx-internal-delay-ps = <0>;
                                     reg = <3>;
                             };
 
                             port@4 {
                                     ethernet = <&enet2>;
                                     phy-mode = "rgmii";
+                                    rx-internal-delay-ps = <0>;
+                                    tx-internal-delay-ps = <0>;
                                     reg = <4>;
 
                                     fixed-link {

Documentation/devicetree/bindings/net/dsa/qca8k.txt

@@ -1,215 +0,0 @@
-* Qualcomm Atheros QCA8xxx switch family
-
-Required properties:
-
-- compatible: should be one of:
-    "qca,qca8327"
-    "qca,qca8334"
-    "qca,qca8337"
-
-- #size-cells: must be 0
-- #address-cells: must be 1
-
-Optional properties:
-
-- reset-gpios: GPIO to be used to reset the whole device
-
-Subnodes:
-
-The integrated switch subnode should be specified according to the binding
-described in dsa/dsa.txt. If the QCA8K switch is connect to a SoC's external
-mdio-bus each subnode describing a port needs to have a valid phandle
-referencing the internal PHY it is connected to. This is because there's no
-N:N mapping of port and PHY id.
-To declare the internal mdio-bus configuration, declare a mdio node in the
-switch node and declare the phandle for the port referencing the internal
-PHY is connected to. In this config a internal mdio-bus is registered and
-the mdio MASTER is used as communication.
-
-Don't use mixed external and internal mdio-bus configurations, as this is
-not supported by the hardware.
-
-The CPU port of this switch is always port 0.
-
-A CPU port node has the following optional node:
-
-- fixed-link            : Fixed-link subnode describing a link to a non-MDIO
-                          managed entity. See
-                          Documentation/devicetree/bindings/net/fixed-link.txt
-                          for details.
-
-For QCA8K the 'fixed-link' sub-node supports only the following properties:
-
-- 'speed' (integer, mandatory), to indicate the link speed. Accepted
-  values are 10, 100 and 1000
-- 'full-duplex' (boolean, optional), to indicate that full duplex is
-  used. When absent, half duplex is assumed.
-
-Examples:
-
-for the external mdio-bus configuration:
-
-	&mdio0 {
-		phy_port1: phy@0 {
-			reg = <0>;
-		};
-
-		phy_port2: phy@1 {
-			reg = <1>;
-		};
-
-		phy_port3: phy@2 {
-			reg = <2>;
-		};
-
-		phy_port4: phy@3 {
-			reg = <3>;
-		};
-
-		phy_port5: phy@4 {
-			reg = <4>;
-		};
-
-		switch@10 {
-			compatible = "qca,qca8337";
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			reset-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
-			reg = <0x10>;
-
-			ports {
-				#address-cells = <1>;
-				#size-cells = <0>;
-				port@0 {
-					reg = <0>;
-					label = "cpu";
-					ethernet = <&gmac1>;
-					phy-mode = "rgmii";
-					fixed-link {
-						speed = 1000;
-						full-duplex;
-					};
-				};
-
-				port@1 {
-					reg = <1>;
-					label = "lan1";
-					phy-handle = <&phy_port1>;
-				};
-
-				port@2 {
-					reg = <2>;
-					label = "lan2";
-					phy-handle = <&phy_port2>;
-				};
-
-				port@3 {
-					reg = <3>;
-					label = "lan3";
-					phy-handle = <&phy_port3>;
-				};
-
-				port@4 {
-					reg = <4>;
-					label = "lan4";
-					phy-handle = <&phy_port4>;
-				};
-
-				port@5 {
-					reg = <5>;
-					label = "wan";
-					phy-handle = <&phy_port5>;
-				};
-			};
-		};
-	};
-
-for the internal master mdio-bus configuration:
-
-	&mdio0 {
-		switch@10 {
-			compatible = "qca,qca8337";
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			reset-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
-			reg = <0x10>;
-
-			ports {
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				port@0 {
-					reg = <0>;
-					label = "cpu";
-					ethernet = <&gmac1>;
-					phy-mode = "rgmii";
-					fixed-link {
-						speed = 1000;
-						full-duplex;
-					};
-				};
-
-				port@1 {
-					reg = <1>;
-					label = "lan1";
-					phy-mode = "internal";
-					phy-handle = <&phy_port1>;
-				};
-
-				port@2 {
-					reg = <2>;
-					label = "lan2";
-					phy-mode = "internal";
-					phy-handle = <&phy_port2>;
-				};
-
-				port@3 {
-					reg = <3>;
-					label = "lan3";
-					phy-mode = "internal";
-					phy-handle = <&phy_port3>;
-				};
-
-				port@4 {
-					reg = <4>;
-					label = "lan4";
-					phy-mode = "internal";
-					phy-handle = <&phy_port4>;
-				};
-
-				port@5 {
-					reg = <5>;
-					label = "wan";
-					phy-mode = "internal";
-					phy-handle = <&phy_port5>;
-				};
-			};
-
-			mdio {
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				phy_port1: phy@0 {
-					reg = <0>;
-				};
-
-				phy_port2: phy@1 {
-					reg = <1>;
-				};
-
-				phy_port3: phy@2 {
-					reg = <2>;
-				};
-
-				phy_port4: phy@3 {
-					reg = <3>;
-				};
-
-				phy_port5: phy@4 {
-					reg = <4>;
-				};
-			};
-		};
-	};

Documentation/devicetree/bindings/net/dsa/qca8k.yaml

@@ -0,0 +1,362 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/qca8k.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Atheros QCA83xx switch family
+
+maintainers:
+  - John Crispin <john@phrozen.org>
+
+description:
+  If the QCA8K switch is connect to an SoC's external mdio-bus, each subnode
+  describing a port needs to have a valid phandle referencing the internal PHY
+  it is connected to. This is because there is no N:N mapping of port and PHY
+  ID. To declare the internal mdio-bus configuration, declare an MDIO node in
+  the switch node and declare the phandle for the port, referencing the internal
+  PHY it is connected to. In this config, an internal mdio-bus is registered and
+  the MDIO master is used for communication. Mixed external and internal
+  mdio-bus configurations are not supported by the hardware.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - qca,qca8327
+          - qca,qca8328
+          - qca,qca8334
+          - qca,qca8337
+    description: |
+      qca,qca8328: referenced as AR8328(N)-AK1(A/B) QFN 176 pin package
+      qca,qca8327: referenced as AR8327(N)-AL1A DR-QFN 148 pin package
+      qca,qca8334: referenced as QCA8334-AL3C QFN 88 pin package
+      qca,qca8337: referenced as QCA8337N-AL3(B/C) DR-QFN 148 pin package
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      GPIO to be used to reset the whole device
+    maxItems: 1
+
+  qca,ignore-power-on-sel:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Ignore power-on pin strapping to configure LED open-drain or EEPROM
+      presence. This is needed for devices with incorrect configuration or when
+      the OEM has decided not to use pin strapping and falls back to SW regs.
+
+  qca,led-open-drain:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Set LEDs to open-drain mode. This requires the qca,ignore-power-on-sel to
+      be set, otherwise the driver will fail at probe. This is required if the
+      OEM does not use pin strapping to set this mode and prefers to set it
+      using SW regs. The pin strappings related to LED open-drain mode are
+      B68 on the QCA832x and B49 on the QCA833x.
+
+  mdio:
+    type: object
+    description: Qca8k switch have an internal mdio to access switch port.
+                 If this is not present, the legacy mapping is used and the
+                 internal mdio access is used.
+                 With the legacy mapping the reg corresponding to the internal
+                 mdio is the switch reg with an offset of -1.
+
+    properties:
+      '#address-cells':
+        const: 1
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^(ethernet-)?phy@[0-4]$":
+        type: object
+
+        allOf:
+          - $ref: "http://devicetree.org/schemas/net/mdio.yaml#"
+
+        properties:
+          reg:
+            maxItems: 1
+
+        required:
+          - reg
+
+patternProperties:
+  "^(ethernet-)?ports$":
+    type: object
+    properties:
+      '#address-cells':
+        const: 1
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^(ethernet-)?port@[0-6]$":
+        type: object
+        description: Ethernet switch ports
+
+        properties:
+          reg:
+            description: Port number
+
+          label:
+            description:
+              Describes the label associated with this port, which will become
+              the netdev name
+            $ref: /schemas/types.yaml#/definitions/string
+
+          link:
+            description:
+              Should be a list of phandles to other switch's DSA port. This
+              port is used as the outgoing port towards the phandle ports. The
+              full routing information must be given, not just the one hop
+              routes to neighbouring switches
+            $ref: /schemas/types.yaml#/definitions/phandle-array
+
+          ethernet:
+            description:
+              Should be a phandle to a valid Ethernet device node.  This host
+              device is what the switch port is connected to
+            $ref: /schemas/types.yaml#/definitions/phandle
+
+          phy-handle: true
+
+          phy-mode: true
+
+          fixed-link: true
+
+          mac-address: true
+
+          sfp: true
+
+          qca,sgmii-rxclk-falling-edge:
+            $ref: /schemas/types.yaml#/definitions/flag
+            description:
+              Set the receive clock phase to falling edge. Mostly commonly used on
+              the QCA8327 with CPU port 0 set to SGMII.
+
+          qca,sgmii-txclk-falling-edge:
+            $ref: /schemas/types.yaml#/definitions/flag
+            description:
+              Set the transmit clock phase to falling edge.
+
+          qca,sgmii-enable-pll:
+            $ref: /schemas/types.yaml#/definitions/flag
+            description:
+              For SGMII CPU port, explicitly enable PLL, TX and RX chain along with
+              Signal Detection. On the QCA8327 this should not be enabled, otherwise
+              the SGMII port will not initialize. When used on the QCA8337, revision 3
+              or greater, a warning will be displayed. When the CPU port is set to
+              SGMII on the QCA8337, it is advised to set this unless a communication
+              issue is observed.
+
+        required:
+          - reg
+
+        additionalProperties: false
+
+oneOf:
+  - required:
+      - ports
+  - required:
+      - ethernet-ports
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        external_phy_port1: ethernet-phy@0 {
+            reg = <0>;
+        };
+
+        external_phy_port2: ethernet-phy@1 {
+            reg = <1>;
+        };
+
+        external_phy_port3: ethernet-phy@2 {
+            reg = <2>;
+        };
+
+        external_phy_port4: ethernet-phy@3 {
+            reg = <3>;
+        };
+
+        external_phy_port5: ethernet-phy@4 {
+            reg = <4>;
+        };
+
+        switch@10 {
+            compatible = "qca,qca8337";
+            #address-cells = <1>;
+            #size-cells = <0>;
+            reset-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+            reg = <0x10>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    label = "cpu";
+                    ethernet = <&gmac1>;
+                    phy-mode = "rgmii";
+
+                    fixed-link {
+                        speed = <1000>;
+                        full-duplex;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    label = "lan1";
+                    phy-handle = <&external_phy_port1>;
+                };
+
+                port@2 {
+                    reg = <2>;
+                    label = "lan2";
+                    phy-handle = <&external_phy_port2>;
+                };
+
+                port@3 {
+                    reg = <3>;
+                    label = "lan3";
+                    phy-handle = <&external_phy_port3>;
+                };
+
+                port@4 {
+                    reg = <4>;
+                    label = "lan4";
+                    phy-handle = <&external_phy_port4>;
+                };
+
+                port@5 {
+                    reg = <5>;
+                    label = "wan";
+                    phy-handle = <&external_phy_port5>;
+                };
+            };
+        };
+    };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        switch@10 {
+            compatible = "qca,qca8337";
+            #address-cells = <1>;
+            #size-cells = <0>;
+            reset-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+            reg = <0x10>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    label = "cpu";
+                    ethernet = <&gmac1>;
+                    phy-mode = "rgmii";
+
+                    fixed-link {
+                        speed = <1000>;
+                        full-duplex;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    label = "lan1";
+                    phy-mode = "internal";
+                    phy-handle = <&internal_phy_port1>;
+                };
+
+                port@2 {
+                    reg = <2>;
+                    label = "lan2";
+                    phy-mode = "internal";
+                    phy-handle = <&internal_phy_port2>;
+                };
+
+                port@3 {
+                    reg = <3>;
+                    label = "lan3";
+                    phy-mode = "internal";
+                    phy-handle = <&internal_phy_port3>;
+                };
+
+                port@4 {
+                    reg = <4>;
+                    label = "lan4";
+                    phy-mode = "internal";
+                    phy-handle = <&internal_phy_port4>;
+                };
+
+                port@5 {
+                    reg = <5>;
+                    label = "wan";
+                    phy-mode = "internal";
+                    phy-handle = <&internal_phy_port5>;
+                };
+
+                port@6 {
+                    reg = <0>;
+                    label = "cpu";
+                    ethernet = <&gmac1>;
+                    phy-mode = "sgmii";
+
+                    qca,sgmii-rxclk-falling-edge;
+
+                    fixed-link {
+                        speed = <1000>;
+                        full-duplex;
+                    };
+                };
+            };
+
+            mdio {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                internal_phy_port1: ethernet-phy@0 {
+                    reg = <0>;
+                };
+
+                internal_phy_port2: ethernet-phy@1 {
+                    reg = <1>;
+                };
+
+                internal_phy_port3: ethernet-phy@2 {
+                    reg = <2>;
+                };
+
+                internal_phy_port4: ethernet-phy@3 {
+                    reg = <3>;
+                };
+
+                internal_phy_port5: ethernet-phy@4 {
+                    reg = <4>;
+                };
+            };
+        };
+    };

Documentation/devicetree/bindings/net/dsa/realtek-smi.txt

@@ -9,6 +9,7 @@ SMI-based Realtek devices.
 Required properties:
 
 - compatible: must be exactly one of:
+      "realtek,rtl8365mb" (4+1 ports)
       "realtek,rtl8366"
       "realtek,rtl8366rb" (4+1 ports)
       "realtek,rtl8366s"  (4+1 ports)
@@ -62,6 +63,8 @@ and subnodes of DSA switches.
 
 Examples:
 
+An example for the RTL8366RB:
+
 switch {
 	compatible = "realtek,rtl8366rb";
 	/* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
@@ -151,3 +154,87 @@ switch {
 		};
 	};
 };
+
+An example for the RTL8365MB-VC:
+
+switch {
+	compatible = "realtek,rtl8365mb";
+	mdc-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
+	mdio-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+	reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+
+	switch_intc: interrupt-controller {
+		interrupt-parent = <&gpio5>;
+		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+	};
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+		port@0 {
+			reg = <0>;
+			label = "swp0";
+			phy-handle = <&ethphy0>;
+		};
+		port@1 {
+			reg = <1>;
+			label = "swp1";
+			phy-handle = <&ethphy1>;
+		};
+		port@2 {
+			reg = <2>;
+			label = "swp2";
+			phy-handle = <&ethphy2>;
+		};
+		port@3 {
+			reg = <3>;
+			label = "swp3";
+			phy-handle = <&ethphy3>;
+		};
+		port@6 {
+			reg = <6>;
+			label = "cpu";
+			ethernet = <&fec1>;
+			phy-mode = "rgmii";
+			tx-internal-delay-ps = <2000>;
+			rx-internal-delay-ps = <2000>;
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+				pause;
+			};
+		};
+	};
+
+	mdio {
+		compatible = "realtek,smi-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: phy@0 {
+			reg = <0>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <0>;
+		};
+		ethphy1: phy@1 {
+			reg = <1>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <1>;
+		};
+		ethphy2: phy@2 {
+			reg = <2>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <2>;
+		};
+		ethphy3: phy@3 {
+			reg = <3>;
+			interrupt-parent = <&switch_intc>;
+			interrupts = <3>;
+		};
+	};
+};

Documentation/devicetree/bindings/net/qcom,ipq8064-mdio.yaml

@@ -51,6 +51,9 @@ examples:
         switch@10 {
             compatible = "qca,qca8337";
             reg = <0x10>;
-            /* ... */
+
+            ports {
+              /* ... */
+            };
         };
     };

Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml

@@ -24,6 +24,7 @@ properties:
       - socionext,uniphier-ld11-ave4
       - socionext,uniphier-ld20-ave4
       - socionext,uniphier-pxs3-ave4
+      - socionext,uniphier-nx1-ave4
 
   reg:
     maxItems: 1

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -131,6 +131,8 @@ patternProperties:
     description: Asahi Kasei Corp.
   "^asc,.*":
     description: All Sensors Corporation
+  "^asix,.*":
+    description: ASIX Electronics Corporation
   "^aspeed,.*":
     description: ASPEED Technology Inc.
   "^asus,.*":

Documentation/networking/ipvs-sysctl.rst

@@ -300,3 +300,14 @@ sync_version - INTEGER
 
 	Kernels with this sync_version entry are able to receive messages
 	of both version 1 and version 2 of the synchronisation protocol.
+
+run_estimation - BOOLEAN
+	0 - disabled
+	not 0 - enabled (default)
+
+	If disabled, the estimation will be stop, and you can't see
+	any update on speed estimation data.
+
+	You can always re-enable estimation by setting this value to 1.
+	But be careful, the first estimation after re-enable is not
+	accurate.

MAINTAINERS

@@ -2908,6 +2908,12 @@ S:	Maintained
 F:	Documentation/hwmon/asc7621.rst
 F:	drivers/hwmon/asc7621.c
 
+ASIX AX88796C SPI ETHERNET ADAPTER
+M:	Łukasz Stelmach <l.stelmach@samsung.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/net/asix,ax88796c.yaml
+F:	drivers/net/ethernet/asix/ax88796c_*
+
 ASPEED PINCTRL DRIVERS
 M:	Andrew Jeffery <andrew@aj.id.au>
 L:	linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
@@ -7034,7 +7040,6 @@ F:	drivers/net/mdio/fwnode_mdio.c
 F:	drivers/net/mdio/of_mdio.c
 F:	drivers/net/pcs/
 F:	drivers/net/phy/
-F:	drivers/of/of_net.c
 F:	include/dt-bindings/net/qca-ar803x.h
 F:	include/linux/*mdio*.h
 F:	include/linux/mdio/*.h
@@ -7046,6 +7051,7 @@ F:	include/linux/platform_data/mdio-gpio.h
 F:	include/trace/events/mdio.h
 F:	include/uapi/linux/mdio.h
 F:	include/uapi/linux/mii.h
+F:	net/core/of_net.c
 
 EXFAT FILE SYSTEM
 M:	Namjae Jeon <linkinjeon@kernel.org>

drivers/hsi/clients/ssi_protocol.c

@@ -1055,14 +1055,16 @@ static const struct net_device_ops ssip_pn_ops = {
 
 static void ssip_pn_setup(struct net_device *dev)
 {
+	static const u8 addr = PN_MEDIA_SOS;
+
 	dev->features		= 0;
 	dev->netdev_ops		= &ssip_pn_ops;
 	dev->type		= ARPHRD_PHONET;
 	dev->flags		= IFF_POINTOPOINT | IFF_NOARP;
 	dev->mtu		= SSIP_DEFAULT_MTU;
 	dev->hard_header_len	= 1;
-	dev->dev_addr[0]	= PN_MEDIA_SOS;
 	dev->addr_len		= 1;
+	dev_addr_set(dev, &addr);
 	dev->tx_queue_len	= SSIP_TXQUEUE_LEN;
 
 	dev->needs_free_netdev	= true;

drivers/net/appletalk/cops.c

@@ -945,8 +945,8 @@ static int cops_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                         dev->broadcast[0]       = 0xFF;
 			
 			/* Set hardware address. */
-                        dev->dev_addr[0]        = aa->s_node;
                         dev->addr_len           = 1;
+			dev_addr_set(dev, &aa->s_node);
                         return 0;
 
                 case SIOCGIFADDR:

drivers/net/appletalk/ltpc.c

@@ -846,9 +846,8 @@ static int ltpc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 			set_30 (dev,ltflags);  
 
 			dev->broadcast[0] = 0xFF;
-			dev->dev_addr[0] = aa->s_node;
-
 			dev->addr_len=1;
+			dev_addr_set(dev, &aa->s_node);
    
 			return 0;
 

drivers/net/arcnet/arc-rimi.c

@@ -207,7 +207,8 @@ static int __init arcrimi_found(struct net_device *dev)
 	}
 
 	/* get and check the station ID from offset 1 in shmem */
-	dev->dev_addr[0] = arcnet_readb(lp->mem_start, COM9026_REG_R_STATION);
+	arcnet_set_addr(dev, arcnet_readb(lp->mem_start,
+					  COM9026_REG_R_STATION));
 
 	arc_printk(D_NORMAL, dev, "ARCnet RIM I: station %02Xh found at IRQ %d, ShMem %lXh (%ld*%d bytes)\n",
 		   dev->dev_addr[0],
@@ -324,7 +325,7 @@ static int __init arc_rimi_init(void)
 		return -ENOMEM;
 
 	if (node && node != 0xff)
-		dev->dev_addr[0] = node;
+		arcnet_set_addr(dev, node);
 
 	dev->mem_start = io;
 	dev->irq = irq;

drivers/net/arcnet/arcdevice.h

@@ -364,6 +364,11 @@ netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
 			       struct net_device *dev);
 void arcnet_timeout(struct net_device *dev, unsigned int txqueue);
 
+static inline void arcnet_set_addr(struct net_device *dev, u8 addr)
+{
+	dev_addr_set(dev, &addr);
+}
+
 /* I/O equivalents */
 
 #ifdef CONFIG_SA1100_CT6001

drivers/net/arcnet/com20020-isa.c

@@ -151,7 +151,7 @@ static int __init com20020_init(void)
 		return -ENOMEM;
 
 	if (node && node != 0xff)
-		dev->dev_addr[0] = node;
+		arcnet_set_addr(dev, node);
 
 	dev->netdev_ops = &com20020_netdev_ops;
 

drivers/net/arcnet/com20020-pci.c

@@ -194,7 +194,7 @@ static int com20020pci_probe(struct pci_dev *pdev,
 
 		SET_NETDEV_DEV(dev, &pdev->dev);
 		dev->base_addr = ioaddr;
-		dev->dev_addr[0] = node;
+		arcnet_set_addr(dev, node);
 		dev->sysfs_groups[0] = &com20020_state_group;
 		dev->irq = pdev->irq;
 		lp->card_name = "PCI COM20020";

drivers/net/arcnet/com20020.c

@@ -157,7 +157,7 @@ static int com20020_set_hwaddr(struct net_device *dev, void *addr)
 	struct arcnet_local *lp = netdev_priv(dev);
 	struct sockaddr *hwaddr = addr;
 
-	memcpy(dev->dev_addr, hwaddr->sa_data, 1);
+	dev_addr_set(dev, hwaddr->sa_data);
 	com20020_set_subaddress(lp, ioaddr, SUB_NODE);
 	arcnet_outb(dev->dev_addr[0], ioaddr, COM20020_REG_W_XREG);
 
@@ -220,7 +220,7 @@ int com20020_found(struct net_device *dev, int shared)
 
 	/* FIXME: do this some other way! */
 	if (!dev->dev_addr[0])
-		dev->dev_addr[0] = arcnet_inb(ioaddr, 8);
+		arcnet_set_addr(dev, arcnet_inb(ioaddr, 8));
 
 	com20020_set_subaddress(lp, ioaddr, SUB_SETUP1);
 	arcnet_outb(lp->setup, ioaddr, COM20020_REG_W_XREG);

drivers/net/arcnet/com20020_cs.c

@@ -133,7 +133,7 @@ static int com20020_probe(struct pcmcia_device *p_dev)
 	lp->hw.owner = THIS_MODULE;
 
 	/* fill in our module parameters as defaults */
-	dev->dev_addr[0] = node;
+	arcnet_set_addr(dev, node);
 
 	p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
 	p_dev->resource[0]->end = 16;

drivers/net/arcnet/com90io.c

@@ -252,7 +252,7 @@ static int __init com90io_found(struct net_device *dev)
 
 	/* get and check the station ID from offset 1 in shmem */
 
-	dev->dev_addr[0] = get_buffer_byte(dev, 1);
+	arcnet_set_addr(dev, get_buffer_byte(dev, 1));
 
 	err = register_netdev(dev);
 	if (err) {

drivers/net/arcnet/com90xx.c

@@ -531,7 +531,8 @@ static int __init com90xx_found(int ioaddr, int airq, u_long shmem,
 	}
 
 	/* get and check the station ID from offset 1 in shmem */
-	dev->dev_addr[0] = arcnet_readb(lp->mem_start, COM9026_REG_R_STATION);
+	arcnet_set_addr(dev, arcnet_readb(lp->mem_start,
+					  COM9026_REG_R_STATION));
 
 	dev->base_addr = ioaddr;
 

drivers/net/bonding/bond_main.c

@@ -4414,7 +4414,7 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr)
 	}
 
 	/* success */
-	memcpy(bond_dev->dev_addr, ss->__data, bond_dev->addr_len);
+	dev_addr_set(bond_dev, ss->__data);
 	return 0;
 
 unwind:

drivers/net/bonding/bond_sysfs.c

@@ -811,8 +811,8 @@ int bond_create_sysfs(struct bond_net *bn)
 	 */
 	if (ret == -EEXIST) {
 		/* Is someone being kinky and naming a device bonding_master? */
-		if (__dev_get_by_name(bn->net,
-				      class_attr_bonding_masters.attr.name))
+		if (netdev_name_in_use(bn->net,
+				       class_attr_bonding_masters.attr.name))
 			pr_err("network device named %s already exists in sysfs\n",
 			       class_attr_bonding_masters.attr.name);
 		ret = 0;

drivers/net/dsa/Kconfig

@@ -70,6 +70,7 @@ config NET_DSA_QCA8K
 config NET_DSA_REALTEK_SMI
 	tristate "Realtek SMI Ethernet switch family support"
 	select NET_DSA_TAG_RTL4_A
+	select NET_DSA_TAG_RTL8_4
 	select FIXED_PHY
 	select IRQ_DOMAIN
 	select REALTEK_PHY

drivers/net/dsa/Makefile

@@ -10,7 +10,7 @@ obj-$(CONFIG_NET_DSA_MT7530)	+= mt7530.o
 obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
 obj-$(CONFIG_NET_DSA_QCA8K)	+= qca8k.o
 obj-$(CONFIG_NET_DSA_REALTEK_SMI) += realtek-smi.o
-realtek-smi-objs		:= realtek-smi-core.o rtl8366.o rtl8366rb.o
+realtek-smi-objs		:= realtek-smi-core.o rtl8366.o rtl8366rb.o rtl8365mb.o
 obj-$(CONFIG_NET_DSA_SMSC_LAN9303) += lan9303-core.o
 obj-$(CONFIG_NET_DSA_SMSC_LAN9303_I2C) += lan9303_i2c.o
 obj-$(CONFIG_NET_DSA_SMSC_LAN9303_MDIO) += lan9303_mdio.o

drivers/net/dsa/qca8k.c

@@ -889,62 +889,183 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv)
 }
 
 static int
-qca8k_setup_of_rgmii_delay(struct qca8k_priv *priv)
+qca8k_setup_mac_pwr_sel(struct qca8k_priv *priv)
 {
+	u32 mask = 0;
+	int ret = 0;
+
+	/* SoC specific settings for ipq8064.
+	 * If more device require this consider adding
+	 * a dedicated binding.
+	 */
+	if (of_machine_is_compatible("qcom,ipq8064"))
+		mask |= QCA8K_MAC_PWR_RGMII0_1_8V;
+
+	/* SoC specific settings for ipq8065 */
+	if (of_machine_is_compatible("qcom,ipq8065"))
+		mask |= QCA8K_MAC_PWR_RGMII1_1_8V;
+
+	if (mask) {
+		ret = qca8k_rmw(priv, QCA8K_REG_MAC_PWR_SEL,
+				QCA8K_MAC_PWR_RGMII0_1_8V |
+				QCA8K_MAC_PWR_RGMII1_1_8V,
+				mask);
+	}
+
+	return ret;
+}
+
+static int qca8k_find_cpu_port(struct dsa_switch *ds)
+{
+	struct qca8k_priv *priv = ds->priv;
+
+	/* Find the connected cpu port. Valid port are 0 or 6 */
+	if (dsa_is_cpu_port(ds, 0))
+		return 0;
+
+	dev_dbg(priv->dev, "port 0 is not the CPU port. Checking port 6");
+
+	if (dsa_is_cpu_port(ds, 6))
+		return 6;
+
+	return -EINVAL;
+}
+
+static int
+qca8k_setup_of_pws_reg(struct qca8k_priv *priv)
+{
+	struct device_node *node = priv->dev->of_node;
+	const struct qca8k_match_data *data;
+	u32 val = 0;
+	int ret;
+
+	/* QCA8327 require to set to the correct mode.
+	 * His bigger brother QCA8328 have the 172 pin layout.
+	 * Should be applied by default but we set this just to make sure.
+	 */
+	if (priv->switch_id == QCA8K_ID_QCA8327) {
+		data = of_device_get_match_data(priv->dev);
+
+		/* Set the correct package of 148 pin for QCA8327 */
+		if (data->reduced_package)
+			val |= QCA8327_PWS_PACKAGE148_EN;
+
+		ret = qca8k_rmw(priv, QCA8K_REG_PWS, QCA8327_PWS_PACKAGE148_EN,
+				val);
+		if (ret)
+			return ret;
+	}
+
+	if (of_property_read_bool(node, "qca,ignore-power-on-sel"))
+		val |= QCA8K_PWS_POWER_ON_SEL;
+
+	if (of_property_read_bool(node, "qca,led-open-drain")) {
+		if (!(val & QCA8K_PWS_POWER_ON_SEL)) {
+			dev_err(priv->dev, "qca,led-open-drain require qca,ignore-power-on-sel to be set.");
+			return -EINVAL;
+		}
+
+		val |= QCA8K_PWS_LED_OPEN_EN_CSR;
+	}
+
+	return qca8k_rmw(priv, QCA8K_REG_PWS,
+			QCA8K_PWS_LED_OPEN_EN_CSR | QCA8K_PWS_POWER_ON_SEL,
+			val);
+}
+
+static int
+qca8k_parse_port_config(struct qca8k_priv *priv)
+{
+	int port, cpu_port_index = -1, ret;
 	struct device_node *port_dn;
 	phy_interface_t mode;
 	struct dsa_port *dp;
-	u32 val;
+	u32 delay;
 
-	/* CPU port is already checked */
-	dp = dsa_to_port(priv->ds, 0);
+	/* We have 2 CPU port. Check them */
+	for (port = 0; port < QCA8K_NUM_PORTS && cpu_port_index < QCA8K_NUM_CPU_PORTS; port++) {
+		/* Skip every other port */
+		if (port != 0 && port != 6)
+			continue;
 
-	port_dn = dp->dn;
+		dp = dsa_to_port(priv->ds, port);
+		port_dn = dp->dn;
+		cpu_port_index++;
 
-	/* Check if port 0 is set to the correct type */
-	of_get_phy_mode(port_dn, &mode);
-	if (mode != PHY_INTERFACE_MODE_RGMII_ID &&
-	    mode != PHY_INTERFACE_MODE_RGMII_RXID &&
-	    mode != PHY_INTERFACE_MODE_RGMII_TXID) {
-		return 0;
-	}
+		if (!of_device_is_available(port_dn))
+			continue;
 
-	switch (mode) {
-	case PHY_INTERFACE_MODE_RGMII_ID:
-	case PHY_INTERFACE_MODE_RGMII_RXID:
-		if (of_property_read_u32(port_dn, "rx-internal-delay-ps", &val))
-			val = 2;
-		else
-			/* Switch regs accept value in ns, convert ps to ns */
-			val = val / 1000;
+		ret = of_get_phy_mode(port_dn, &mode);
+		if (ret)
+			continue;
 
-		if (val > QCA8K_MAX_DELAY) {
-			dev_err(priv->dev, "rgmii rx delay is limited to a max value of 3ns, setting to the max value");
-			val = 3;
-		}
+		switch (mode) {
+		case PHY_INTERFACE_MODE_RGMII:
+		case PHY_INTERFACE_MODE_RGMII_ID:
+		case PHY_INTERFACE_MODE_RGMII_TXID:
+		case PHY_INTERFACE_MODE_RGMII_RXID:
+		case PHY_INTERFACE_MODE_SGMII:
+			delay = 0;
+
+			if (!of_property_read_u32(port_dn, "tx-internal-delay-ps", &delay))
+				/* Switch regs accept value in ns, convert ps to ns */
+				delay = delay / 1000;
+			else if (mode == PHY_INTERFACE_MODE_RGMII_ID ||
+				 mode == PHY_INTERFACE_MODE_RGMII_TXID)
+				delay = 1;
+
+			if (delay > QCA8K_MAX_DELAY) {
+				dev_err(priv->dev, "rgmii tx delay is limited to a max value of 3ns, setting to the max value");
+				delay = 3;
+			}
+
+			priv->ports_config.rgmii_tx_delay[cpu_port_index] = delay;
+
+			delay = 0;
+
+			if (!of_property_read_u32(port_dn, "rx-internal-delay-ps", &delay))
+				/* Switch regs accept value in ns, convert ps to ns */
+				delay = delay / 1000;
+			else if (mode == PHY_INTERFACE_MODE_RGMII_ID ||
+				 mode == PHY_INTERFACE_MODE_RGMII_RXID)
+				delay = 2;
+
+			if (delay > QCA8K_MAX_DELAY) {
+				dev_err(priv->dev, "rgmii rx delay is limited to a max value of 3ns, setting to the max value");
+				delay = 3;
+			}
+
+			priv->ports_config.rgmii_rx_delay[cpu_port_index] = delay;
+
+			/* Skip sgmii parsing for rgmii* mode */
+			if (mode == PHY_INTERFACE_MODE_RGMII ||
+			    mode == PHY_INTERFACE_MODE_RGMII_ID ||
+			    mode == PHY_INTERFACE_MODE_RGMII_TXID ||
+			    mode == PHY_INTERFACE_MODE_RGMII_RXID)
+				break;
+
+			if (of_property_read_bool(port_dn, "qca,sgmii-txclk-falling-edge"))
+				priv->ports_config.sgmii_tx_clk_falling_edge = true;
+
+			if (of_property_read_bool(port_dn, "qca,sgmii-rxclk-falling-edge"))
+				priv->ports_config.sgmii_rx_clk_falling_edge = true;
+
+			if (of_property_read_bool(port_dn, "qca,sgmii-enable-pll")) {
+				priv->ports_config.sgmii_enable_pll = true;
+
+				if (priv->switch_id == QCA8K_ID_QCA8327) {
+					dev_err(priv->dev, "SGMII PLL should NOT be enabled for qca8327. Aborting enabling");
+					priv->ports_config.sgmii_enable_pll = false;
+				}
+
+				if (priv->switch_revision < 2)
+					dev_warn(priv->dev, "SGMII PLL should NOT be enabled for qca8337 with revision 2 or more.");
+			}
 
-		priv->rgmii_rx_delay = val;
-		/* Stop here if we need to check only for rx delay */
-		if (mode != PHY_INTERFACE_MODE_RGMII_ID)
 			break;
-
-		fallthrough;
-	case PHY_INTERFACE_MODE_RGMII_TXID:
-		if (of_property_read_u32(port_dn, "tx-internal-delay-ps", &val))
-			val = 1;
-		else
-			/* Switch regs accept value in ns, convert ps to ns */
-			val = val / 1000;
-
-		if (val > QCA8K_MAX_DELAY) {
-			dev_err(priv->dev, "rgmii tx delay is limited to a max value of 3ns, setting to the max value");
-			val = 3;
+		default:
+			continue;
 		}
-
-		priv->rgmii_tx_delay = val;
-		break;
-	default:
-		return 0;
 	}
 
 	return 0;
@@ -954,15 +1075,20 @@ static int
 qca8k_setup(struct dsa_switch *ds)
 {
 	struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
-	int ret, i;
+	int cpu_port, ret, i;
 	u32 mask;
 
-	/* Make sure that port 0 is the cpu port */
-	if (!dsa_is_cpu_port(ds, 0)) {
-		dev_err(priv->dev, "port 0 is not the CPU port");
-		return -EINVAL;
+	cpu_port = qca8k_find_cpu_port(ds);
+	if (cpu_port < 0) {
+		dev_err(priv->dev, "No cpu port configured in both cpu port0 and port6");
+		return cpu_port;
 	}
 
+	/* Parse CPU port config to be later used in phy_link mac_config */
+	ret = qca8k_parse_port_config(priv);
+	if (ret)
+		return ret;
+
 	mutex_init(&priv->reg_mutex);
 
 	/* Start by setting up the register mapping */
@@ -975,7 +1101,11 @@ qca8k_setup(struct dsa_switch *ds)
 	if (ret)
 		return ret;
 
-	ret = qca8k_setup_of_rgmii_delay(priv);
+	ret = qca8k_setup_of_pws_reg(priv);
+	if (ret)
+		return ret;
+
+	ret = qca8k_setup_mac_pwr_sel(priv);
 	if (ret)
 		return ret;
 
@@ -992,41 +1122,49 @@ qca8k_setup(struct dsa_switch *ds)
 	if (ret)
 		dev_warn(priv->dev, "mib init failed");
 
-	/* Enable QCA header mode on the cpu port */
-	ret = qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(QCA8K_CPU_PORT),
-			  QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_TX_S |
-			  QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_RX_S);
-	if (ret) {
-		dev_err(priv->dev, "failed enabling QCA header mode");
-		return ret;
-	}
-
-	/* Disable forwarding by default on all ports */
+	/* Initial setup of all ports */
 	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+		/* Disable forwarding by default on all ports */
 		ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
 				QCA8K_PORT_LOOKUP_MEMBER, 0);
 		if (ret)
 			return ret;
+
+		/* Enable QCA header mode on all cpu ports */
+		if (dsa_is_cpu_port(ds, i)) {
+			ret = qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(i),
+					  QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_TX_S |
+					  QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_RX_S);
+			if (ret) {
+				dev_err(priv->dev, "failed enabling QCA header mode");
+				return ret;
+			}
+		}
+
+		/* Disable MAC by default on all user ports */
+		if (dsa_is_user_port(ds, i))
+			qca8k_port_set_status(priv, i, 0);
 	}
 
-	/* Disable MAC by default on all ports */
-	for (i = 1; i < QCA8K_NUM_PORTS; i++)
-		qca8k_port_set_status(priv, i, 0);
-
-	/* Forward all unknown frames to CPU port for Linux processing */
+	/* Forward all unknown frames to CPU port for Linux processing
+	 * Notice that in multi-cpu config only one port should be set
+	 * for igmp, unknown, multicast and broadcast packet
+	 */
 	ret = qca8k_write(priv, QCA8K_REG_GLOBAL_FW_CTRL1,
-			  BIT(0) << QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_S |
-			  BIT(0) << QCA8K_GLOBAL_FW_CTRL1_BC_DP_S |
-			  BIT(0) << QCA8K_GLOBAL_FW_CTRL1_MC_DP_S |
-			  BIT(0) << QCA8K_GLOBAL_FW_CTRL1_UC_DP_S);
+			  BIT(cpu_port) << QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_S |
+			  BIT(cpu_port) << QCA8K_GLOBAL_FW_CTRL1_BC_DP_S |
+			  BIT(cpu_port) << QCA8K_GLOBAL_FW_CTRL1_MC_DP_S |
+			  BIT(cpu_port) << QCA8K_GLOBAL_FW_CTRL1_UC_DP_S);
 	if (ret)
 		return ret;
 
-	/* Setup connection between CPU port & user ports */
+	/* Setup connection between CPU port & user ports
+	 * Configure specific switch configuration for ports
+	 */
 	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
 		/* CPU port gets connected to all user ports of the switch */
 		if (dsa_is_cpu_port(ds, i)) {
-			ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(QCA8K_CPU_PORT),
+			ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
 					QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
 			if (ret)
 				return ret;
@@ -1038,7 +1176,7 @@ qca8k_setup(struct dsa_switch *ds)
 
 			ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
 					QCA8K_PORT_LOOKUP_MEMBER,
-					BIT(QCA8K_CPU_PORT));
+					BIT(cpu_port));
 			if (ret)
 				return ret;
 
@@ -1063,16 +1201,14 @@ qca8k_setup(struct dsa_switch *ds)
 			if (ret)
 				return ret;
 		}
-	}
 
-	/* The port 5 of the qca8337 have some problem in flood condition. The
-	 * original legacy driver had some specific buffer and priority settings
-	 * for the different port suggested by the QCA switch team. Add this
-	 * missing settings to improve switch stability under load condition.
-	 * This problem is limited to qca8337 and other qca8k switch are not affected.
-	 */
-	if (priv->switch_id == QCA8K_ID_QCA8337) {
-		for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+		/* The port 5 of the qca8337 have some problem in flood condition. The
+		 * original legacy driver had some specific buffer and priority settings
+		 * for the different port suggested by the QCA switch team. Add this
+		 * missing settings to improve switch stability under load condition.
+		 * This problem is limited to qca8337 and other qca8k switch are not affected.
+		 */
+		if (priv->switch_id == QCA8K_ID_QCA8337) {
 			switch (i) {
 			/* The 2 CPU port and port 5 requires some different
 			 * priority than any other ports.
@@ -1108,6 +1244,12 @@ qca8k_setup(struct dsa_switch *ds)
 				  QCA8K_PORT_HOL_CTRL1_WRED_EN,
 				  mask);
 		}
+
+		/* Set initial MTU for every port.
+		 * We have only have a general MTU setting. So track
+		 * every port and set the max across all port.
+		 */
+		priv->port_mtu[i] = ETH_FRAME_LEN + ETH_FCS_LEN;
 	}
 
 	/* Special GLOBAL_FC_THRESH value are needed for ar8327 switch */
@@ -1121,8 +1263,6 @@ qca8k_setup(struct dsa_switch *ds)
 	}
 
 	/* Setup our port MTUs to match power on defaults */
-	for (i = 0; i < QCA8K_NUM_PORTS; i++)
-		priv->port_mtu[i] = ETH_FRAME_LEN + ETH_FCS_LEN;
 	ret = qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, ETH_FRAME_LEN + ETH_FCS_LEN);
 	if (ret)
 		dev_warn(priv->dev, "failed setting MTU settings");
@@ -1136,13 +1276,54 @@ qca8k_setup(struct dsa_switch *ds)
 	return 0;
 }
 
+static void
+qca8k_mac_config_setup_internal_delay(struct qca8k_priv *priv, int cpu_port_index,
+				      u32 reg)
+{
+	u32 delay, val = 0;
+	int ret;
+
+	/* Delay can be declared in 3 different way.
+	 * Mode to rgmii and internal-delay standard binding defined
+	 * rgmii-id or rgmii-tx/rx phy mode set.
+	 * The parse logic set a delay different than 0 only when one
+	 * of the 3 different way is used. In all other case delay is
+	 * not enabled. With ID or TX/RXID delay is enabled and set
+	 * to the default and recommended value.
+	 */
+	if (priv->ports_config.rgmii_tx_delay[cpu_port_index]) {
+		delay = priv->ports_config.rgmii_tx_delay[cpu_port_index];
+
+		val |= QCA8K_PORT_PAD_RGMII_TX_DELAY(delay) |
+			QCA8K_PORT_PAD_RGMII_TX_DELAY_EN;
+	}
+
+	if (priv->ports_config.rgmii_rx_delay[cpu_port_index]) {
+		delay = priv->ports_config.rgmii_rx_delay[cpu_port_index];
+
+		val |= QCA8K_PORT_PAD_RGMII_RX_DELAY(delay) |
+			QCA8K_PORT_PAD_RGMII_RX_DELAY_EN;
+	}
+
+	/* Set RGMII delay based on the selected values */
+	ret = qca8k_rmw(priv, reg,
+			QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK |
+			QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK |
+			QCA8K_PORT_PAD_RGMII_TX_DELAY_EN |
+			QCA8K_PORT_PAD_RGMII_RX_DELAY_EN,
+			val);
+	if (ret)
+		dev_err(priv->dev, "Failed to set internal delay for CPU port%d",
+			cpu_port_index == QCA8K_CPU_PORT0 ? 0 : 6);
+}
+
 static void
 qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 			 const struct phylink_link_state *state)
 {
 	struct qca8k_priv *priv = ds->priv;
+	int cpu_port_index, ret;
 	u32 reg, val;
-	int ret;
 
 	switch (port) {
 	case 0: /* 1st CPU port */
@@ -1154,6 +1335,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 			return;
 
 		reg = QCA8K_REG_PORT0_PAD_CTRL;
+		cpu_port_index = QCA8K_CPU_PORT0;
 		break;
 	case 1:
 	case 2:
@@ -1172,6 +1354,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 			return;
 
 		reg = QCA8K_REG_PORT6_PAD_CTRL;
+		cpu_port_index = QCA8K_CPU_PORT6;
 		break;
 	default:
 		dev_err(ds->dev, "%s: unsupported port: %i\n", __func__, port);
@@ -1186,23 +1369,18 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 
 	switch (state->interface) {
 	case PHY_INTERFACE_MODE_RGMII:
-		/* RGMII mode means no delay so don't enable the delay */
-		qca8k_write(priv, reg, QCA8K_PORT_PAD_RGMII_EN);
-		break;
 	case PHY_INTERFACE_MODE_RGMII_ID:
 	case PHY_INTERFACE_MODE_RGMII_TXID:
 	case PHY_INTERFACE_MODE_RGMII_RXID:
-		/* RGMII_ID needs internal delay. This is enabled through
-		 * PORT5_PAD_CTRL for all ports, rather than individual port
-		 * registers
+		qca8k_write(priv, reg, QCA8K_PORT_PAD_RGMII_EN);
+
+		/* Configure rgmii delay */
+		qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg);
+
+		/* QCA8337 requires to set rgmii rx delay for all ports.
+		 * This is enabled through PORT5_PAD_CTRL for all ports,
+		 * rather than individual port registers.
 		 */
-		qca8k_write(priv, reg,
-			    QCA8K_PORT_PAD_RGMII_EN |
-			    QCA8K_PORT_PAD_RGMII_TX_DELAY(priv->rgmii_tx_delay) |
-			    QCA8K_PORT_PAD_RGMII_RX_DELAY(priv->rgmii_rx_delay) |
-			    QCA8K_PORT_PAD_RGMII_TX_DELAY_EN |
-			    QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
-		/* QCA8337 requires to set rgmii rx delay */
 		if (priv->switch_id == QCA8K_ID_QCA8337)
 			qca8k_write(priv, QCA8K_REG_PORT5_PAD_CTRL,
 				    QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
@@ -1227,8 +1405,11 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 		if (ret)
 			return;
 
-		val |= QCA8K_SGMII_EN_PLL | QCA8K_SGMII_EN_RX |
-			QCA8K_SGMII_EN_TX | QCA8K_SGMII_EN_SD;
+		val |= QCA8K_SGMII_EN_SD;
+
+		if (priv->ports_config.sgmii_enable_pll)
+			val |= QCA8K_SGMII_EN_PLL | QCA8K_SGMII_EN_RX |
+			       QCA8K_SGMII_EN_TX;
 
 		if (dsa_is_cpu_port(ds, port)) {
 			/* CPU port, we're talking to the CPU MAC, be a PHY */
@@ -1243,6 +1424,35 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 		}
 
 		qca8k_write(priv, QCA8K_REG_SGMII_CTRL, val);
+
+		/* For qca8327/qca8328/qca8334/qca8338 sgmii is unique and
+		 * falling edge is set writing in the PORT0 PAD reg
+		 */
+		if (priv->switch_id == QCA8K_ID_QCA8327 ||
+		    priv->switch_id == QCA8K_ID_QCA8337)
+			reg = QCA8K_REG_PORT0_PAD_CTRL;
+
+		val = 0;
+
+		/* SGMII Clock phase configuration */
+		if (priv->ports_config.sgmii_rx_clk_falling_edge)
+			val |= QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE;
+
+		if (priv->ports_config.sgmii_tx_clk_falling_edge)
+			val |= QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE;
+
+		if (val)
+			ret = qca8k_rmw(priv, reg,
+					QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE |
+					QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE,
+					val);
+
+		/* From original code is reported port instability as SGMII also
+		 * require delay set. Apply advised values here or take them from DT.
+		 */
+		if (state->interface == PHY_INTERFACE_MODE_SGMII)
+			qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg);
+
 		break;
 	default:
 		dev_err(ds->dev, "xMII mode %s not supported for port %d\n",
@@ -1522,10 +1732,15 @@ static int
 qca8k_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *br)
 {
 	struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
-	int port_mask = BIT(QCA8K_CPU_PORT);
+	int port_mask, cpu_port;
 	int i, ret;
 
-	for (i = 1; i < QCA8K_NUM_PORTS; i++) {
+	cpu_port = dsa_to_port(ds, port)->cpu_dp->index;
+	port_mask = BIT(cpu_port);
+
+	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+		if (dsa_is_cpu_port(ds, i))
+			continue;
 		if (dsa_to_port(ds, i)->bridge_dev != br)
 			continue;
 		/* Add this port to the portvlan mask of the other ports
@@ -1551,9 +1766,13 @@ static void
 qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
 {
 	struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
-	int i;
+	int cpu_port, i;
 
-	for (i = 1; i < QCA8K_NUM_PORTS; i++) {
+	cpu_port = dsa_to_port(ds, port)->cpu_dp->index;
+
+	for (i = 0; i < QCA8K_NUM_PORTS; i++) {
+		if (dsa_is_cpu_port(ds, i))
+			continue;
 		if (dsa_to_port(ds, i)->bridge_dev != br)
 			continue;
 		/* Remove this port to the portvlan mask of the other ports
@@ -1568,7 +1787,7 @@ qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
 	 * this port
 	 */
 	qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
-		  QCA8K_PORT_LOOKUP_MEMBER, BIT(QCA8K_CPU_PORT));
+		  QCA8K_PORT_LOOKUP_MEMBER, BIT(cpu_port));
 }
 
 static int
@@ -1939,7 +2158,12 @@ static int qca8k_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(qca8k_pm_ops,
 			 qca8k_suspend, qca8k_resume);
 
-static const struct qca8k_match_data qca832x = {
+static const struct qca8k_match_data qca8327 = {
+	.id = QCA8K_ID_QCA8327,
+	.reduced_package = true,
+};
+
+static const struct qca8k_match_data qca8328 = {
 	.id = QCA8K_ID_QCA8327,
 };
 
@@ -1948,7 +2172,8 @@ static const struct qca8k_match_data qca833x = {
 };
 
 static const struct of_device_id qca8k_of_match[] = {
-	{ .compatible = "qca,qca8327", .data = &qca832x },
+	{ .compatible = "qca,qca8327", .data = &qca8327 },
+	{ .compatible = "qca,qca8328", .data = &qca8328 },
 	{ .compatible = "qca,qca8334", .data = &qca833x },
 	{ .compatible = "qca,qca8337", .data = &qca833x },
 	{ /* sentinel */ },

drivers/net/dsa/qca8k.h

@@ -13,6 +13,7 @@
 #include <linux/gpio.h>
 
 #define QCA8K_NUM_PORTS					7
+#define QCA8K_NUM_CPU_PORTS				2
 #define QCA8K_MAX_MTU					9000
 
 #define PHY_ID_QCA8327					0x004dd034
@@ -24,8 +25,6 @@
 
 #define QCA8K_NUM_FDB_RECORDS				2048
 
-#define QCA8K_CPU_PORT					0
-
 #define QCA8K_PORT_VID_DEF				1
 
 /* Global control registers */
@@ -35,16 +34,26 @@
 #define   QCA8K_MASK_CTRL_DEVICE_ID_MASK		GENMASK(15, 8)
 #define   QCA8K_MASK_CTRL_DEVICE_ID(x)			((x) >> 8)
 #define QCA8K_REG_PORT0_PAD_CTRL			0x004
+#define   QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE	BIT(19)
+#define   QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE	BIT(18)
 #define QCA8K_REG_PORT5_PAD_CTRL			0x008
 #define QCA8K_REG_PORT6_PAD_CTRL			0x00c
 #define   QCA8K_PORT_PAD_RGMII_EN			BIT(26)
+#define   QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK		GENMASK(23, 22)
 #define   QCA8K_PORT_PAD_RGMII_TX_DELAY(x)		((x) << 22)
+#define   QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK		GENMASK(21, 20)
 #define   QCA8K_PORT_PAD_RGMII_RX_DELAY(x)		((x) << 20)
 #define	  QCA8K_PORT_PAD_RGMII_TX_DELAY_EN		BIT(25)
 #define   QCA8K_PORT_PAD_RGMII_RX_DELAY_EN		BIT(24)
 #define   QCA8K_MAX_DELAY				3
 #define   QCA8K_PORT_PAD_SGMII_EN			BIT(7)
 #define QCA8K_REG_PWS					0x010
+#define   QCA8K_PWS_POWER_ON_SEL			BIT(31)
+/* This reg is only valid for QCA832x and toggle the package
+ * type from 176 pin (by default) to 148 pin used on QCA8327
+ */
+#define   QCA8327_PWS_PACKAGE148_EN			BIT(30)
+#define   QCA8K_PWS_LED_OPEN_EN_CSR			BIT(24)
 #define   QCA8K_PWS_SERDES_AEN_DIS			BIT(7)
 #define QCA8K_REG_MODULE_EN				0x030
 #define   QCA8K_MODULE_EN_MIB				BIT(0)
@@ -100,6 +109,11 @@
 #define   QCA8K_SGMII_MODE_CTRL_PHY			(1 << 22)
 #define   QCA8K_SGMII_MODE_CTRL_MAC			(2 << 22)
 
+/* MAC_PWR_SEL registers */
+#define QCA8K_REG_MAC_PWR_SEL				0x0e4
+#define   QCA8K_MAC_PWR_RGMII1_1_8V			BIT(18)
+#define   QCA8K_MAC_PWR_RGMII0_1_8V			BIT(19)
+
 /* EEE control registers */
 #define QCA8K_REG_EEE_CTRL				0x100
 #define  QCA8K_REG_EEE_CTRL_LPI_EN(_i)			((_i + 1) * 2)
@@ -248,14 +262,27 @@ struct ar8xxx_port_status {
 
 struct qca8k_match_data {
 	u8 id;
+	bool reduced_package;
+};
+
+enum {
+	QCA8K_CPU_PORT0,
+	QCA8K_CPU_PORT6,
+};
+
+struct qca8k_ports_config {
+	bool sgmii_rx_clk_falling_edge;
+	bool sgmii_tx_clk_falling_edge;
+	bool sgmii_enable_pll;
+	u8 rgmii_rx_delay[QCA8K_NUM_CPU_PORTS]; /* 0: CPU port0, 1: CPU port6 */
+	u8 rgmii_tx_delay[QCA8K_NUM_CPU_PORTS]; /* 0: CPU port0, 1: CPU port6 */
 };
 
 struct qca8k_priv {
 	u8 switch_id;
 	u8 switch_revision;
-	u8 rgmii_tx_delay;
-	u8 rgmii_rx_delay;
 	bool legacy_phy_port_mapping;
+	struct qca8k_ports_config ports_config;
 	struct regmap *regmap;
 	struct mii_bus *bus;
 	struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS];

drivers/net/dsa/realtek-smi-core.c

@@ -501,6 +501,10 @@ static const struct of_device_id realtek_smi_of_match[] = {
 		.compatible = "realtek,rtl8366s",
 		.data = NULL,
 	},
+	{
+		.compatible = "realtek,rtl8365mb",
+		.data = &rtl8365mb_variant,
+	},
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, realtek_smi_of_match);

drivers/net/dsa/realtek-smi-core.h

@@ -140,5 +140,6 @@ int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset);
 void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
 
 extern const struct realtek_smi_variant rtl8366rb_variant;
+extern const struct realtek_smi_variant rtl8365mb_variant;
 
 #endif /*  _REALTEK_SMI_H */

drivers/net/dsa/rtl8366rb.c

@@ -1345,7 +1345,7 @@ rtl8366rb_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 	default:
 		dev_err(smi->dev, "unknown bridge state requested\n");
 		return;
-	};
+	}
 
 	/* Set the same status for the port on all the FIDs */
 	for (i = 0; i < RTL8366RB_NUM_FIDS; i++) {

drivers/net/dsa/sja1105/sja1105.h

@@ -20,6 +20,27 @@
 #define SJA1105_AGEING_TIME_MS(ms)	((ms) / 10)
 #define SJA1105_NUM_L2_POLICERS		SJA1110_MAX_L2_POLICING_COUNT
 
+/* Calculated assuming 1Gbps, where the clock has 125 MHz (8 ns period)
+ * To avoid floating point operations, we'll multiply the degrees by 10
+ * to get a "phase" and get 1 decimal point precision.
+ */
+#define SJA1105_RGMII_DELAY_PS_TO_PHASE(ps) \
+	(((ps) * 360) / 800)
+#define SJA1105_RGMII_DELAY_PHASE_TO_PS(phase) \
+	((800 * (phase)) / 360)
+#define SJA1105_RGMII_DELAY_PHASE_TO_HW(phase) \
+	(((phase) - 738) / 9)
+#define SJA1105_RGMII_DELAY_PS_TO_HW(ps) \
+	SJA1105_RGMII_DELAY_PHASE_TO_HW(SJA1105_RGMII_DELAY_PS_TO_PHASE(ps))
+
+/* Valid range in degrees is a value between 73.8 and 101.7
+ * in 0.9 degree increments
+ */
+#define SJA1105_RGMII_DELAY_MIN_PS \
+	SJA1105_RGMII_DELAY_PHASE_TO_PS(738)
+#define SJA1105_RGMII_DELAY_MAX_PS \
+	SJA1105_RGMII_DELAY_PHASE_TO_PS(1017)
+
 typedef enum {
 	SPI_READ = 0,
 	SPI_WRITE = 1,
@@ -222,8 +243,8 @@ struct sja1105_flow_block {
 
 struct sja1105_private {
 	struct sja1105_static_config static_config;
-	bool rgmii_rx_delay[SJA1105_MAX_NUM_PORTS];
-	bool rgmii_tx_delay[SJA1105_MAX_NUM_PORTS];
+	int rgmii_rx_delay_ps[SJA1105_MAX_NUM_PORTS];
+	int rgmii_tx_delay_ps[SJA1105_MAX_NUM_PORTS];
 	phy_interface_t phy_mode[SJA1105_MAX_NUM_PORTS];
 	bool fixed_link[SJA1105_MAX_NUM_PORTS];
 	unsigned long ucast_egress_floods;

drivers/net/dsa/sja1105/sja1105_clocking.c

@@ -498,17 +498,6 @@ sja1110_cfg_pad_mii_id_packing(void *buf, struct sja1105_cfg_pad_mii_id *cmd,
 	sja1105_packing(buf, &cmd->txc_pd,          0,  0, size, op);
 }
 
-/* Valid range in degrees is an integer between 73.8 and 101.7 */
-static u64 sja1105_rgmii_delay(u64 phase)
-{
-	/* UM11040.pdf: The delay in degree phase is 73.8 + delay_tune * 0.9.
-	 * To avoid floating point operations we'll multiply by 10
-	 * and get 1 decimal point precision.
-	 */
-	phase *= 10;
-	return (phase - 738) / 9;
-}
-
 /* The RGMII delay setup procedure is 2-step and gets called upon each
  * .phylink_mac_config. Both are strategic.
  * The reason is that the RX Tunable Delay Line of the SJA1105 MAC has issues
@@ -521,13 +510,15 @@ int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port)
 	const struct sja1105_private *priv = ctx;
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cfg_pad_mii_id pad_mii_id = {0};
+	int rx_delay = priv->rgmii_rx_delay_ps[port];
+	int tx_delay = priv->rgmii_tx_delay_ps[port];
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
 	int rc;
 
-	if (priv->rgmii_rx_delay[port])
-		pad_mii_id.rxc_delay = sja1105_rgmii_delay(90);
-	if (priv->rgmii_tx_delay[port])
-		pad_mii_id.txc_delay = sja1105_rgmii_delay(90);
+	if (rx_delay)
+		pad_mii_id.rxc_delay = SJA1105_RGMII_DELAY_PS_TO_HW(rx_delay);
+	if (tx_delay)
+		pad_mii_id.txc_delay = SJA1105_RGMII_DELAY_PS_TO_HW(tx_delay);
 
 	/* Stage 1: Turn the RGMII delay lines off. */
 	pad_mii_id.rxc_bypass = 1;
@@ -542,11 +533,11 @@ int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port)
 		return rc;
 
 	/* Stage 2: Turn the RGMII delay lines on. */
-	if (priv->rgmii_rx_delay[port]) {
+	if (rx_delay) {
 		pad_mii_id.rxc_bypass = 0;
 		pad_mii_id.rxc_pd = 0;
 	}
-	if (priv->rgmii_tx_delay[port]) {
+	if (tx_delay) {
 		pad_mii_id.txc_bypass = 0;
 		pad_mii_id.txc_pd = 0;
 	}
@@ -561,20 +552,22 @@ int sja1110_setup_rgmii_delay(const void *ctx, int port)
 	const struct sja1105_private *priv = ctx;
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cfg_pad_mii_id pad_mii_id = {0};
+	int rx_delay = priv->rgmii_rx_delay_ps[port];
+	int tx_delay = priv->rgmii_tx_delay_ps[port];
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
 
 	pad_mii_id.rxc_pd = 1;
 	pad_mii_id.txc_pd = 1;
 
-	if (priv->rgmii_rx_delay[port]) {
-		pad_mii_id.rxc_delay = sja1105_rgmii_delay(90);
+	if (rx_delay) {
+		pad_mii_id.rxc_delay = SJA1105_RGMII_DELAY_PS_TO_HW(rx_delay);
 		/* The "BYPASS" bit in SJA1110 is actually a "don't bypass" */
 		pad_mii_id.rxc_bypass = 1;
 		pad_mii_id.rxc_pd = 0;
 	}
 
-	if (priv->rgmii_tx_delay[port]) {
-		pad_mii_id.txc_delay = sja1105_rgmii_delay(90);
+	if (tx_delay) {
+		pad_mii_id.txc_delay = SJA1105_RGMII_DELAY_PS_TO_HW(tx_delay);
 		pad_mii_id.txc_bypass = 1;
 		pad_mii_id.txc_pd = 0;
 	}

drivers/net/dsa/sja1105/sja1105_main.c

@@ -1109,27 +1109,78 @@ static int sja1105_static_config_load(struct sja1105_private *priv)
 	return sja1105_static_config_upload(priv);
 }
 
-static int sja1105_parse_rgmii_delays(struct sja1105_private *priv)
+/* This is the "new way" for a MAC driver to configure its RGMII delay lines,
+ * based on the explicit "rx-internal-delay-ps" and "tx-internal-delay-ps"
+ * properties. It has the advantage of working with fixed links and with PHYs
+ * that apply RGMII delays too, and the MAC driver needs not perform any
+ * special checks.
+ *
+ * Previously we were acting upon the "phy-mode" property when we were
+ * operating in fixed-link, basically acting as a PHY, but with a reversed
+ * interpretation: PHY_INTERFACE_MODE_RGMII_TXID means that the MAC should
+ * behave as if it is connected to a PHY which has applied RGMII delays in the
+ * TX direction. So if anything, RX delays should have been added by the MAC,
+ * but we were adding TX delays.
+ *
+ * If the "{rx,tx}-internal-delay-ps" properties are not specified, we fall
+ * back to the legacy behavior and apply delays on fixed-link ports based on
+ * the reverse interpretation of the phy-mode. This is a deviation from the
+ * expected default behavior which is to simply apply no delays. To achieve
+ * that behavior with the new bindings, it is mandatory to specify
+ * "{rx,tx}-internal-delay-ps" with a value of 0.
+ */
+static int sja1105_parse_rgmii_delays(struct sja1105_private *priv, int port,
+				      struct device_node *port_dn)
 {
-	struct dsa_switch *ds = priv->ds;
-	int port;
+	phy_interface_t phy_mode = priv->phy_mode[port];
+	struct device *dev = &priv->spidev->dev;
+	int rx_delay = -1, tx_delay = -1;
 
-	for (port = 0; port < ds->num_ports; port++) {
-		if (!priv->fixed_link[port])
-			continue;
+	if (!phy_interface_mode_is_rgmii(phy_mode))
+		return 0;
 
-		if (priv->phy_mode[port] == PHY_INTERFACE_MODE_RGMII_RXID ||
-		    priv->phy_mode[port] == PHY_INTERFACE_MODE_RGMII_ID)
-			priv->rgmii_rx_delay[port] = true;
+	of_property_read_u32(port_dn, "rx-internal-delay-ps", &rx_delay);
+	of_property_read_u32(port_dn, "tx-internal-delay-ps", &tx_delay);
 
-		if (priv->phy_mode[port] == PHY_INTERFACE_MODE_RGMII_TXID ||
-		    priv->phy_mode[port] == PHY_INTERFACE_MODE_RGMII_ID)
-			priv->rgmii_tx_delay[port] = true;
+	if (rx_delay == -1 && tx_delay == -1 && priv->fixed_link[port]) {
+		dev_warn(dev,
+			 "Port %d interpreting RGMII delay settings based on \"phy-mode\" property, "
+			 "please update device tree to specify \"rx-internal-delay-ps\" and "
+			 "\"tx-internal-delay-ps\"",
+			 port);
 
-		if ((priv->rgmii_rx_delay[port] || priv->rgmii_tx_delay[port]) &&
-		    !priv->info->setup_rgmii_delay)
-			return -EINVAL;
+		if (phy_mode == PHY_INTERFACE_MODE_RGMII_RXID ||
+		    phy_mode == PHY_INTERFACE_MODE_RGMII_ID)
+			rx_delay = 2000;
+
+		if (phy_mode == PHY_INTERFACE_MODE_RGMII_TXID ||
+		    phy_mode == PHY_INTERFACE_MODE_RGMII_ID)
+			tx_delay = 2000;
 	}
+
+	if (rx_delay < 0)
+		rx_delay = 0;
+	if (tx_delay < 0)
+		tx_delay = 0;
+
+	if ((rx_delay || tx_delay) && !priv->info->setup_rgmii_delay) {
+		dev_err(dev, "Chip cannot apply RGMII delays\n");
+		return -EINVAL;
+	}
+
+	if ((rx_delay && rx_delay < SJA1105_RGMII_DELAY_MIN_PS) ||
+	    (tx_delay && tx_delay < SJA1105_RGMII_DELAY_MIN_PS) ||
+	    (rx_delay > SJA1105_RGMII_DELAY_MAX_PS) ||
+	    (tx_delay > SJA1105_RGMII_DELAY_MAX_PS)) {
+		dev_err(dev,
+			"port %d RGMII delay values out of range, must be between %d and %d ps\n",
+			port, SJA1105_RGMII_DELAY_MIN_PS, SJA1105_RGMII_DELAY_MAX_PS);
+		return -ERANGE;
+	}
+
+	priv->rgmii_rx_delay_ps[port] = rx_delay;
+	priv->rgmii_tx_delay_ps[port] = tx_delay;
+
 	return 0;
 }
 
@@ -1180,6 +1231,10 @@ static int sja1105_parse_ports_node(struct sja1105_private *priv,
 		}
 
 		priv->phy_mode[index] = phy_mode;
+
+		err = sja1105_parse_rgmii_delays(priv, index, child);
+		if (err)
+			return err;
 	}
 
 	return 0;
@@ -3317,15 +3372,6 @@ static int sja1105_probe(struct spi_device *spi)
 		return rc;
 	}
 
-	/* Error out early if internal delays are required through DT
-	 * and we can't apply them.
-	 */
-	rc = sja1105_parse_rgmii_delays(priv);
-	if (rc < 0) {
-		dev_err(ds->dev, "RGMII delay not supported\n");
-		return rc;
-	}
-
 	if (IS_ENABLED(CONFIG_NET_SCH_CBS)) {
 		priv->cbs = devm_kcalloc(dev, priv->info->num_cbs_shapers,
 					 sizeof(struct sja1105_cbs_entry),

drivers/net/dsa/sja1105/sja1105_vl.c

@@ -394,7 +394,8 @@ static int sja1105_init_virtual_links(struct sja1105_private *priv,
 				vl_lookup[k].vlanid = rule->key.vl.vid;
 				vl_lookup[k].vlanprior = rule->key.vl.pcp;
 			} else {
-				u16 vid = dsa_8021q_rx_vid(priv->ds, port);
+				struct dsa_port *dp = dsa_to_port(priv->ds, port);
+				u16 vid = dsa_tag_8021q_rx_vid(dp);
 
 				vl_lookup[k].vlanid = vid;
 				vl_lookup[k].vlanprior = 0;

drivers/net/ethernet/3com/3c515.c

@@ -567,6 +567,7 @@ static int corkscrew_setup(struct net_device *dev, int ioaddr,
 {
 	struct corkscrew_private *vp = netdev_priv(dev);
 	unsigned int eeprom[0x40], checksum = 0;	/* EEPROM contents */
+	__be16 addr[ETH_ALEN / 2];
 	int i;
 	int irq;
 
@@ -619,7 +620,6 @@ static int corkscrew_setup(struct net_device *dev, int ioaddr,
 	/* Read the station address from the EEPROM. */
 	EL3WINDOW(0);
 	for (i = 0; i < 0x18; i++) {
-		__be16 *phys_addr = (__be16 *) dev->dev_addr;
 		int timer;
 		outw(EEPROM_Read + i, ioaddr + Wn0EepromCmd);
 		/* Pause for at least 162 us. for the read to take place. */
@@ -631,8 +631,9 @@ static int corkscrew_setup(struct net_device *dev, int ioaddr,
 		eeprom[i] = inw(ioaddr + Wn0EepromData);
 		checksum ^= eeprom[i];
 		if (i < 3)
-			phys_addr[i] = htons(eeprom[i]);
+			addr[i] = htons(eeprom[i]);
 	}
+	eth_hw_addr_set(dev, (u8 *)addr);
 	checksum = (checksum ^ (checksum >> 8)) & 0xff;
 	if (checksum != 0x00)
 		pr_cont(" ***INVALID CHECKSUM %4.4x*** ", checksum);

drivers/net/ethernet/3com/3c574_cs.c

@@ -305,15 +305,13 @@ static int tc574_config(struct pcmcia_device *link)
 	struct net_device *dev = link->priv;
 	struct el3_private *lp = netdev_priv(dev);
 	int ret, i, j;
+	__be16 addr[ETH_ALEN / 2];
 	unsigned int ioaddr;
-	__be16 *phys_addr;
 	char *cardname;
 	__u32 config;
 	u8 *buf;
 	size_t len;
 
-	phys_addr = (__be16 *)dev->dev_addr;
-
 	dev_dbg(&link->dev, "3c574_config()\n");
 
 	link->io_lines = 16;
@@ -347,19 +345,20 @@ static int tc574_config(struct pcmcia_device *link)
 	len = pcmcia_get_tuple(link, 0x88, &buf);
 	if (buf && len >= 6) {
 		for (i = 0; i < 3; i++)
-			phys_addr[i] = htons(le16_to_cpu(buf[i * 2]));
+			addr[i] = htons(le16_to_cpu(buf[i * 2]));
 		kfree(buf);
 	} else {
 		kfree(buf); /* 0 < len < 6 */
 		EL3WINDOW(0);
 		for (i = 0; i < 3; i++)
-			phys_addr[i] = htons(read_eeprom(ioaddr, i + 10));
-		if (phys_addr[0] == htons(0x6060)) {
+			addr[i] = htons(read_eeprom(ioaddr, i + 10));
+		if (addr[0] == htons(0x6060)) {
 			pr_notice("IO port conflict at 0x%03lx-0x%03lx\n",
 				  dev->base_addr, dev->base_addr+15);
 			goto failed;
 		}
 	}
+	eth_hw_addr_set(dev, (u8 *)addr);
 	if (link->prod_id[1])
 		cardname = link->prod_id[1];
 	else

drivers/net/ethernet/3com/3c589_cs.c

@@ -237,8 +237,8 @@ static void tc589_detach(struct pcmcia_device *link)
 static int tc589_config(struct pcmcia_device *link)
 {
 	struct net_device *dev = link->priv;
-	__be16 *phys_addr;
 	int ret, i, j, multi = 0, fifo;
+	__be16 addr[ETH_ALEN / 2];
 	unsigned int ioaddr;
 	static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
 	u8 *buf;
@@ -246,7 +246,6 @@ static int tc589_config(struct pcmcia_device *link)
 
 	dev_dbg(&link->dev, "3c589_config\n");
 
-	phys_addr = (__be16 *)dev->dev_addr;
 	/* Is this a 3c562? */
 	if (link->manf_id != MANFID_3COM)
 		dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
@@ -285,18 +284,19 @@ static int tc589_config(struct pcmcia_device *link)
 	len = pcmcia_get_tuple(link, 0x88, &buf);
 	if (buf && len >= 6) {
 		for (i = 0; i < 3; i++)
-			phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
+			addr[i] = htons(le16_to_cpu(buf[i*2]));
 		kfree(buf);
 	} else {
 		kfree(buf); /* 0 < len < 6 */
 		for (i = 0; i < 3; i++)
-			phys_addr[i] = htons(read_eeprom(ioaddr, i));
-		if (phys_addr[0] == htons(0x6060)) {
+			addr[i] = htons(read_eeprom(ioaddr, i));
+		if (addr[0] == htons(0x6060)) {
 			dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
 					dev->base_addr, dev->base_addr+15);
 			goto failed;
 		}
 	}
+	eth_hw_addr_set(dev, (u8 *)addr);
 
 	/* The address and resource configuration register aren't loaded from
 	 * the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version.

drivers/net/ethernet/3com/3c59x.c

@@ -1091,6 +1091,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
 	struct vortex_private *vp;
 	int option;
 	unsigned int eeprom[0x40], checksum = 0;		/* EEPROM contents */
+	__be16 addr[ETH_ALEN / 2];
 	int i, step;
 	struct net_device *dev;
 	static int printed_version;
@@ -1284,7 +1285,8 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
 	if ((checksum != 0x00) && !(vci->drv_flags & IS_TORNADO))
 		pr_cont(" ***INVALID CHECKSUM %4.4x*** ", checksum);
 	for (i = 0; i < 3; i++)
-		((__be16 *)dev->dev_addr)[i] = htons(eeprom[i + 10]);
+		addr[i] = htons(eeprom[i + 10]);
+	eth_hw_addr_set(dev, (u8 *)addr);
 	if (print_info)
 		pr_cont(" %pM", dev->dev_addr);
 	/* Unfortunately an all zero eeprom passes the checksum and this

drivers/net/ethernet/8390/apne.c

@@ -320,8 +320,7 @@ static int __init apne_probe1(struct net_device *dev, int ioaddr)
     i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev);
     if (i) return i;
 
-    for (i = 0; i < ETH_ALEN; i++)
-	dev->dev_addr[i] = SA_prom[i];
+    eth_hw_addr_set(dev, SA_prom);
 
     pr_cont(" %pM\n", dev->dev_addr);
 

drivers/net/ethernet/8390/ax88796.c

@@ -748,11 +748,13 @@ static int ax_init_dev(struct net_device *dev)
 
 	/* load the mac-address from the device */
 	if (ax->plat->flags & AXFLG_MAC_FROMDEV) {
+		u8 addr[ETH_ALEN];
+
 		ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
 			ei_local->mem + E8390_CMD); /* 0x61 */
 		for (i = 0; i < ETH_ALEN; i++)
-			dev->dev_addr[i] =
-				ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
+			addr[i] = ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
+		eth_hw_addr_set(dev, addr);
 	}
 
 	if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) &&

drivers/net/ethernet/8390/axnet_cs.c

@@ -187,6 +187,7 @@ static int get_prom(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
     unsigned int ioaddr = dev->base_addr;
+    u8 addr[ETH_ALEN];
     int i, j;
 
     /* This is based on drivers/net/ethernet/8390/ne.c */
@@ -220,9 +221,11 @@ static int get_prom(struct pcmcia_device *link)
 
     for (i = 0; i < 6; i += 2) {
 	j = inw(ioaddr + AXNET_DATAPORT);
-	dev->dev_addr[i] = j & 0xff;
-	dev->dev_addr[i+1] = j >> 8;
+	addr[i] = j & 0xff;
+	addr[i+1] = j >> 8;
     }
+    eth_hw_addr_set(dev, addr);
+
     return 1;
 } /* get_prom */
 

drivers/net/ethernet/8390/mcf8390.c

@@ -374,8 +374,7 @@ static int mcf8390_init(struct net_device *dev)
 	if (ret)
 		return ret;
 
-	for (i = 0; i < ETH_ALEN; i++)
-		dev->dev_addr[i] = SA_prom[i];
+	eth_hw_addr_set(dev, SA_prom);
 
 	netdev_dbg(dev, "Found ethernet address: %pM\n", dev->dev_addr);
 

drivers/net/ethernet/8390/ne.c

@@ -500,9 +500,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr)
 
 	dev->base_addr = ioaddr;
 
-	for (i = 0; i < ETH_ALEN; i++) {
-		dev->dev_addr[i] = SA_prom[i];
-	}
+	eth_hw_addr_set(dev, SA_prom);
 
 	pr_cont("%pM\n", dev->dev_addr);
 

drivers/net/ethernet/8390/pcnet_cs.c

@@ -278,6 +278,7 @@ static struct hw_info *get_hwinfo(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
     u_char __iomem *base, *virt;
+    u8 addr[ETH_ALEN];
     int i, j;
 
     /* Allocate a small memory window */
@@ -302,7 +303,8 @@ static struct hw_info *get_hwinfo(struct pcmcia_device *link)
 	    (readb(base+2) == hw_info[i].a1) &&
 	    (readb(base+4) == hw_info[i].a2)) {
 		for (j = 0; j < 6; j++)
-		    dev->dev_addr[j] = readb(base + (j<<1));
+			addr[j] = readb(base + (j<<1));
+		eth_hw_addr_set(dev, addr);
 		break;
 	}
     }
@@ -324,6 +326,7 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
     unsigned int ioaddr = dev->base_addr;
+    u8 addr[ETH_ALEN];
     u_char prom[32];
     int i, j;
 
@@ -362,7 +365,8 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
     }
     if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) {
 	for (j = 0; j < 6; j++)
-	    dev->dev_addr[j] = prom[j<<1];
+	    addr[j] = prom[j<<1];
+	eth_hw_addr_set(dev, addr);
 	return (i < NR_INFO) ? hw_info+i : &default_info;
     }
     return NULL;
@@ -377,6 +381,7 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
 static struct hw_info *get_dl10019(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
+    u8 addr[ETH_ALEN];
     int i;
     u_char sum;
 
@@ -385,7 +390,8 @@ static struct hw_info *get_dl10019(struct pcmcia_device *link)
     if (sum != 0xff)
 	return NULL;
     for (i = 0; i < 6; i++)
-	dev->dev_addr[i] = inb_p(dev->base_addr + 0x14 + i);
+	addr[i] = inb_p(dev->base_addr + 0x14 + i);
+    eth_hw_addr_set(dev, addr);
     i = inb(dev->base_addr + 0x1f);
     return ((i == 0x91)||(i == 0x99)) ? &dl10022_info : &dl10019_info;
 }
@@ -400,6 +406,7 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
     unsigned int ioaddr = dev->base_addr;
+    u8 addr[ETH_ALEN];
     int i, j;
 
     /* Not much of a test, but the alternatives are messy */
@@ -413,9 +420,10 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
 
     for (i = 0; i < 6; i += 2) {
 	j = inw(ioaddr + PCNET_DATAPORT);
-	dev->dev_addr[i] = j & 0xff;
-	dev->dev_addr[i+1] = j >> 8;
+	addr[i] = j & 0xff;
+	addr[i+1] = j >> 8;
     }
+    eth_hw_addr_set(dev, addr);
     return NULL;
 }
 
@@ -430,6 +438,7 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
 static struct hw_info *get_hwired(struct pcmcia_device *link)
 {
     struct net_device *dev = link->priv;
+    u8 addr[ETH_ALEN];
     int i;
 
     for (i = 0; i < 6; i++)
@@ -438,7 +447,8 @@ static struct hw_info *get_hwired(struct pcmcia_device *link)
 	return NULL;
 
     for (i = 0; i < 6; i++)
-	dev->dev_addr[i] = hw_addr[i];
+	addr[i] = hw_addr[i];
+    eth_hw_addr_set(dev, addr);
 
     return &default_info;
 } /* get_hwired */

drivers/net/ethernet/8390/stnic.c

@@ -104,8 +104,8 @@ STNIC_WRITE (int reg, byte val)
 static int __init stnic_probe(void)
 {
   struct net_device *dev;
-  int i, err;
   struct ei_device *ei_local;
+  int err;
 
   /* If we are not running on a SolutionEngine, give up now */
   if (! MACH_SE)
@@ -119,8 +119,7 @@ static int __init stnic_probe(void)
 #ifdef CONFIG_SH_STANDARD_BIOS
   sh_bios_get_node_addr (stnic_eadr);
 #endif
-  for (i = 0; i < ETH_ALEN; i++)
-    dev->dev_addr[i] = stnic_eadr[i];
+  eth_hw_addr_set(dev, stnic_eadr);
 
   /* Set the base address to point to the NIC, not the "real" base! */
   dev->base_addr = 0x1000;

drivers/net/ethernet/8390/zorro8390.c

@@ -364,8 +364,7 @@ static int zorro8390_init(struct net_device *dev, unsigned long board,
 	if (i)
 		return i;
 
-	for (i = 0; i < ETH_ALEN; i++)
-		dev->dev_addr[i] = SA_prom[i];
+	eth_hw_addr_set(dev, SA_prom);
 
 	pr_debug("Found ethernet address: %pM\n", dev->dev_addr);
 

drivers/net/ethernet/Kconfig

@@ -33,6 +33,7 @@ source "drivers/net/ethernet/apm/Kconfig"
 source "drivers/net/ethernet/apple/Kconfig"
 source "drivers/net/ethernet/aquantia/Kconfig"
 source "drivers/net/ethernet/arc/Kconfig"
+source "drivers/net/ethernet/asix/Kconfig"
 source "drivers/net/ethernet/atheros/Kconfig"
 source "drivers/net/ethernet/broadcom/Kconfig"
 source "drivers/net/ethernet/brocade/Kconfig"

drivers/net/ethernet/Makefile

@@ -19,6 +19,7 @@ obj-$(CONFIG_NET_XGENE) += apm/
 obj-$(CONFIG_NET_VENDOR_APPLE) += apple/
 obj-$(CONFIG_NET_VENDOR_AQUANTIA) += aquantia/
 obj-$(CONFIG_NET_VENDOR_ARC) += arc/
+obj-$(CONFIG_NET_VENDOR_ASIX) += asix/
 obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/
 obj-$(CONFIG_NET_VENDOR_CADENCE) += cadence/
 obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/

drivers/net/ethernet/actions/owl-emac.c

@@ -342,7 +342,7 @@ static u32 owl_emac_dma_cmd_stop(struct owl_emac_priv *priv)
 static void owl_emac_set_hw_mac_addr(struct net_device *netdev)
 {
 	struct owl_emac_priv *priv = netdev_priv(netdev);
-	u8 *mac_addr = netdev->dev_addr;
+	const u8 *mac_addr = netdev->dev_addr;
 	u32 addr_high, addr_low;
 
 	addr_high = mac_addr[0] << 8 | mac_addr[1];
@@ -1385,7 +1385,7 @@ static void owl_emac_get_mac_addr(struct net_device *netdev)
 	struct device *dev = netdev->dev.parent;
 	int ret;
 
-	ret = eth_platform_get_mac_address(dev, netdev->dev_addr);
+	ret = platform_get_ethdev_address(dev, netdev);
 	if (!ret && is_valid_ether_addr(netdev->dev_addr))
 		return;
 

drivers/net/ethernet/adaptec/starfire.c

@@ -641,6 +641,7 @@ static int starfire_init_one(struct pci_dev *pdev,
 	struct netdev_private *np;
 	int i, irq, chip_idx = ent->driver_data;
 	struct net_device *dev;
+	u8 addr[ETH_ALEN];
 	long ioaddr;
 	void __iomem *base;
 	int drv_flags, io_size;
@@ -696,7 +697,8 @@ static int starfire_init_one(struct pci_dev *pdev,
 
 	/* Serial EEPROM reads are hidden by the hardware. */
 	for (i = 0; i < 6; i++)
-		dev->dev_addr[i] = readb(base + EEPROMCtrl + 20 - i);
+		addr[i] = readb(base + EEPROMCtrl + 20 - i);
+	eth_hw_addr_set(dev, addr);
 
 #if ! defined(final_version) /* Dump the EEPROM contents during development. */
 	if (debug > 4)
@@ -955,7 +957,7 @@ static int netdev_open(struct net_device *dev)
 	writew(0, ioaddr + PerfFilterTable + 4);
 	writew(0, ioaddr + PerfFilterTable + 8);
 	for (i = 1; i < 16; i++) {
-		__be16 *eaddrs = (__be16 *)dev->dev_addr;
+		const __be16 *eaddrs = (const __be16 *)dev->dev_addr;
 		void __iomem *setup_frm = ioaddr + PerfFilterTable + i * 16;
 		writew(be16_to_cpu(eaddrs[2]), setup_frm); setup_frm += 4;
 		writew(be16_to_cpu(eaddrs[1]), setup_frm); setup_frm += 4;
@@ -1787,14 +1789,14 @@ static void set_rx_mode(struct net_device *dev)
 	} else if (netdev_mc_count(dev) <= 14) {
 		/* Use the 16 element perfect filter, skip first two entries. */
 		void __iomem *filter_addr = ioaddr + PerfFilterTable + 2 * 16;
-		__be16 *eaddrs;
+		const __be16 *eaddrs;
 		netdev_for_each_mc_addr(ha, dev) {
 			eaddrs = (__be16 *) ha->addr;
 			writew(be16_to_cpu(eaddrs[2]), filter_addr); filter_addr += 4;
 			writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
 			writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 8;
 		}
-		eaddrs = (__be16 *)dev->dev_addr;
+		eaddrs = (const __be16 *)dev->dev_addr;
 		i = netdev_mc_count(dev) + 2;
 		while (i++ < 16) {
 			writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 4;
@@ -1805,7 +1807,7 @@ static void set_rx_mode(struct net_device *dev)
 	} else {
 		/* Must use a multicast hash table. */
 		void __iomem *filter_addr;
-		__be16 *eaddrs;
+		const __be16 *eaddrs;
 		__le16 mc_filter[32] __attribute__ ((aligned(sizeof(long))));	/* Multicast hash filter */
 
 		memset(mc_filter, 0, sizeof(mc_filter));
@@ -1819,7 +1821,7 @@ static void set_rx_mode(struct net_device *dev)
 		}
 		/* Clear the perfect filter list, skip first two entries. */
 		filter_addr = ioaddr + PerfFilterTable + 2 * 16;
-		eaddrs = (__be16 *)dev->dev_addr;
+		eaddrs = (const __be16 *)dev->dev_addr;
 		for (i = 2; i < 16; i++) {
 			writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 4;
 			writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;

drivers/net/ethernet/aeroflex/greth.c

@@ -1346,6 +1346,7 @@ static int greth_of_probe(struct platform_device *ofdev)
 	int i;
 	int err;
 	int tmp;
+	u8 addr[ETH_ALEN];
 	unsigned long timeout;
 
 	dev = alloc_etherdev(sizeof(struct greth_private));
@@ -1449,8 +1450,6 @@ static int greth_of_probe(struct platform_device *ofdev)
 			break;
 	}
 	if (i == 6) {
-		u8 addr[ETH_ALEN];
-
 		err = of_get_mac_address(ofdev->dev.of_node, addr);
 		if (!err) {
 			for (i = 0; i < 6; i++)
@@ -1464,7 +1463,8 @@ static int greth_of_probe(struct platform_device *ofdev)
 	}
 
 	for (i = 0; i < 6; i++)
-		dev->dev_addr[i] = macaddr[i];
+		addr[i] = macaddr[i];
+	eth_hw_addr_set(dev, addr);
 
 	macaddr[5]++;
 

drivers/net/ethernet/alacritech/slicoss.c

@@ -1008,7 +1008,7 @@ static void slic_set_link_autoneg(struct slic_device *sdev)
 
 static void slic_set_mac_address(struct slic_device *sdev)
 {
-	u8 *addr = sdev->netdev->dev_addr;
+	const u8 *addr = sdev->netdev->dev_addr;
 	u32 val;
 
 	val = addr[5] | addr[4] << 8 | addr[3] << 16 | addr[2] << 24;

drivers/net/ethernet/alteon/acenic.c

@@ -869,6 +869,7 @@ static int ace_init(struct net_device *dev)
 	int board_idx, ecode = 0;
 	short i;
 	unsigned char cache_size;
+	u8 addr[ETH_ALEN];
 
 	ap = netdev_priv(dev);
 	regs = ap->regs;
@@ -988,12 +989,13 @@ static int ace_init(struct net_device *dev)
 	writel(mac1, &regs->MacAddrHi);
 	writel(mac2, &regs->MacAddrLo);
 
-	dev->dev_addr[0] = (mac1 >> 8) & 0xff;
-	dev->dev_addr[1] = mac1 & 0xff;
-	dev->dev_addr[2] = (mac2 >> 24) & 0xff;
-	dev->dev_addr[3] = (mac2 >> 16) & 0xff;
-	dev->dev_addr[4] = (mac2 >> 8) & 0xff;
-	dev->dev_addr[5] = mac2 & 0xff;
+	addr[0] = (mac1 >> 8) & 0xff;
+	addr[1] = mac1 & 0xff;
+	addr[2] = (mac2 >> 24) & 0xff;
+	addr[3] = (mac2 >> 16) & 0xff;
+	addr[4] = (mac2 >> 8) & 0xff;
+	addr[5] = mac2 & 0xff;
+	eth_hw_addr_set(dev, addr);
 
 	printk("MAC: %pM\n", dev->dev_addr);
 
@@ -2712,7 +2714,7 @@ static int ace_set_mac_addr(struct net_device *dev, void *p)
 	struct ace_private *ap = netdev_priv(dev);
 	struct ace_regs __iomem *regs = ap->regs;
 	struct sockaddr *addr=p;
-	u8 *da;
+	const u8 *da;
 	struct cmd cmd;
 
 	if(netif_running(dev))
@@ -2720,7 +2722,7 @@ static int ace_set_mac_addr(struct net_device *dev, void *p)
 
 	eth_hw_addr_set(dev, addr->sa_data);
 
-	da = (u8 *)dev->dev_addr;
+	da = (const u8 *)dev->dev_addr;
 
 	writel(da[0] << 8 | da[1], &regs->MacAddrHi);
 	writel((da[2] << 24) | (da[3] << 16) | (da[4] << 8) | da[5],

drivers/net/ethernet/altera/altera_tse_main.c

@@ -849,7 +849,7 @@ static int init_phy(struct net_device *dev)
 	return 0;
 }
 
-static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
+static void tse_update_mac_addr(struct altera_tse_private *priv, const u8 *addr)
 {
 	u32 msb;
 	u32 lsb;

drivers/net/ethernet/amd/amd8111e.c

@@ -1743,6 +1743,7 @@ static int amd8111e_probe_one(struct pci_dev *pdev,
 	unsigned long reg_addr, reg_len;
 	struct amd8111e_priv *lp;
 	struct net_device *dev;
+	u8 addr[ETH_ALEN];
 
 	err = pci_enable_device(pdev);
 	if (err) {
@@ -1809,7 +1810,8 @@ static int amd8111e_probe_one(struct pci_dev *pdev,
 
 	/* Initializing MAC address */
 	for (i = 0; i < ETH_ALEN; i++)
-		dev->dev_addr[i] = readb(lp->mmio + PADR + i);
+		addr[i] = readb(lp->mmio + PADR + i);
+	eth_hw_addr_set(dev, addr);
 
 	/* Setting user defined parametrs */
 	lp->ext_phy_option = speed_duplex[card_idx];

drivers/net/ethernet/amd/nmclan_cs.c

@@ -529,7 +529,8 @@ static void mace_write(mace_private *lp, unsigned int ioaddr, int reg,
 mace_init
 	Resets the MACE chip.
 ---------------------------------------------------------------------------- */
-static int mace_init(mace_private *lp, unsigned int ioaddr, char *enet_addr)
+static int mace_init(mace_private *lp, unsigned int ioaddr,
+		     const char *enet_addr)
 {
   int i;
   int ct = 0;

drivers/net/ethernet/amd/pcnet32.c

@@ -1595,6 +1595,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	struct net_device *dev;
 	const struct pcnet32_access *a = NULL;
 	u8 promaddr[ETH_ALEN];
+	u8 addr[ETH_ALEN];
 	int ret = -ENODEV;
 
 	/* reset the chip */
@@ -1760,9 +1761,10 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 		unsigned int val;
 		val = a->read_csr(ioaddr, i + 12) & 0x0ffff;
 		/* There may be endianness issues here. */
-		dev->dev_addr[2 * i] = val & 0x0ff;
-		dev->dev_addr[2 * i + 1] = (val >> 8) & 0x0ff;
+		addr[2 * i] = val & 0x0ff;
+		addr[2 * i + 1] = (val >> 8) & 0x0ff;
 	}
+	eth_hw_addr_set(dev, addr);
 
 	/* read PROM address and compare with CSR address */
 	for (i = 0; i < ETH_ALEN; i++)
@@ -1780,8 +1782,11 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	}
 
 	/* if the ethernet address is not valid, force to 00:00:00:00:00:00 */
-	if (!is_valid_ether_addr(dev->dev_addr))
-		eth_zero_addr(dev->dev_addr);
+	if (!is_valid_ether_addr(dev->dev_addr)) {
+		static const u8 zero_addr[ETH_ALEN] = {};
+
+		eth_hw_addr_set(dev, zero_addr);
+	}
 
 	if (pcnet32_debug & NETIF_MSG_PROBE) {
 		pr_cont(" %pM", dev->dev_addr);

drivers/net/ethernet/amd/sun3lance.c

@@ -305,7 +305,6 @@ static int __init lance_probe( struct net_device *dev)
 	unsigned long ioaddr;
 
 	struct lance_private	*lp;
-	int 			i;
 	static int 		did_version;
 	volatile unsigned short *ioaddr_probe;
 	unsigned short tmp1, tmp2;
@@ -373,8 +372,7 @@ static int __init lance_probe( struct net_device *dev)
 		   dev->irq);
 
 	/* copy in the ethernet address from the prom */
-	for(i = 0; i < 6 ; i++)
-	     dev->dev_addr[i] = idprom->id_ethaddr[i];
+	eth_hw_addr_set(dev, idprom->id_ethaddr);
 
 	/* tell the card it's ether address, bytes swapped */
 	MEM->init.hwaddr[0] = dev->dev_addr[1];

drivers/net/ethernet/amd/sunlance.c

@@ -1301,7 +1301,6 @@ static int sparc_lance_probe_one(struct platform_device *op,
 	struct device_node *dp = op->dev.of_node;
 	struct lance_private *lp;
 	struct net_device *dev;
-	int    i;
 
 	dev = alloc_etherdev(sizeof(struct lance_private) + 8);
 	if (!dev)
@@ -1315,8 +1314,7 @@ static int sparc_lance_probe_one(struct platform_device *op,
 	 * will copy the address in the device structure to the lance
 	 * initialization block.
 	 */
-	for (i = 0; i < 6; i++)
-		dev->dev_addr[i] = idprom->id_ethaddr[i];
+	eth_hw_addr_set(dev, idprom->id_ethaddr);
 
 	/* Get the IO region */
 	lp->lregs = of_ioremap(&op->resource[0], 0,

drivers/net/ethernet/amd/xgbe/xgbe-dev.c

@@ -1080,7 +1080,7 @@ static int xgbe_add_mac_addresses(struct xgbe_prv_data *pdata)
 	return 0;
 }
 
-static int xgbe_set_mac_address(struct xgbe_prv_data *pdata, u8 *addr)
+static int xgbe_set_mac_address(struct xgbe_prv_data *pdata, const u8 *addr)
 {
 	unsigned int mac_addr_hi, mac_addr_lo;
 

drivers/net/ethernet/amd/xgbe/xgbe-drv.c

@@ -1912,10 +1912,8 @@ static int xgbe_close(struct net_device *netdev)
 	clk_disable_unprepare(pdata->ptpclk);
 	clk_disable_unprepare(pdata->sysclk);
 
-	flush_workqueue(pdata->an_workqueue);
 	destroy_workqueue(pdata->an_workqueue);
 
-	flush_workqueue(pdata->dev_workqueue);
 	destroy_workqueue(pdata->dev_workqueue);
 
 	set_bit(XGBE_DOWN, &pdata->dev_state);

drivers/net/ethernet/amd/xgbe/xgbe.h

@@ -729,7 +729,7 @@ struct xgbe_ext_stats {
 struct xgbe_hw_if {
 	int (*tx_complete)(struct xgbe_ring_desc *);
 
-	int (*set_mac_address)(struct xgbe_prv_data *, u8 *addr);
+	int (*set_mac_address)(struct xgbe_prv_data *, const u8 *addr);
 	int (*config_rx_mode)(struct xgbe_prv_data *);
 
 	int (*enable_rx_csum)(struct xgbe_prv_data *);

drivers/net/ethernet/apm/xgene-v2/mac.c

@@ -65,7 +65,7 @@ void xge_mac_set_speed(struct xge_pdata *pdata)
 
 void xge_mac_set_station_addr(struct xge_pdata *pdata)
 {
-	u8 *dev_addr = pdata->ndev->dev_addr;
+	const u8 *dev_addr = pdata->ndev->dev_addr;
 	u32 addr0, addr1;
 
 	addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |

drivers/net/ethernet/apm/xgene/xgene_enet_hw.c

@@ -378,8 +378,8 @@ u32 xgene_enet_rd_stat(struct xgene_enet_pdata *pdata, u32 rd_addr)
 
 static void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata)
 {
+	const u8 *dev_addr = pdata->ndev->dev_addr;
 	u32 addr0, addr1;
-	u8 *dev_addr = pdata->ndev->dev_addr;
 
 	addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
 		(dev_addr[1] << 8) | dev_addr[0];

drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c

@@ -165,8 +165,8 @@ static void xgene_sgmac_reset(struct xgene_enet_pdata *p)
 
 static void xgene_sgmac_set_mac_addr(struct xgene_enet_pdata *p)
 {
+	const u8 *dev_addr = p->ndev->dev_addr;
 	u32 addr0, addr1;
-	u8 *dev_addr = p->ndev->dev_addr;
 
 	addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
 		(dev_addr[1] << 8) | dev_addr[0];

drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c

@@ -207,8 +207,8 @@ static void xgene_pcs_reset(struct xgene_enet_pdata *pdata)
 
 static void xgene_xgmac_set_mac_addr(struct xgene_enet_pdata *pdata)
 {
+	const u8 *dev_addr = pdata->ndev->dev_addr;
 	u32 addr0, addr1;
-	u8 *dev_addr = pdata->ndev->dev_addr;
 
 	addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) |
 		(dev_addr[1] << 8) | dev_addr[0];

drivers/net/ethernet/apple/bmac.c

@@ -308,7 +308,7 @@ bmac_init_registers(struct net_device *dev)
 {
 	struct bmac_data *bp = netdev_priv(dev);
 	volatile unsigned short regValue;
-	unsigned short *pWord16;
+	const unsigned short *pWord16;
 	int i;
 
 	/* XXDEBUG(("bmac: enter init_registers\n")); */
@@ -371,7 +371,7 @@ bmac_init_registers(struct net_device *dev)
 	bmwrite(dev, BHASH1, bp->hash_table_mask[2]); 	/* bits 47 - 32 */
 	bmwrite(dev, BHASH0, bp->hash_table_mask[3]); 	/* bits 63 - 48 */
 
-	pWord16 = (unsigned short *)dev->dev_addr;
+	pWord16 = (const unsigned short *)dev->dev_addr;
 	bmwrite(dev, MADD0, *pWord16++);
 	bmwrite(dev, MADD1, *pWord16++);
 	bmwrite(dev, MADD2, *pWord16);
@@ -521,19 +521,16 @@ static int bmac_resume(struct macio_dev *mdev)
 static int bmac_set_address(struct net_device *dev, void *addr)
 {
 	struct bmac_data *bp = netdev_priv(dev);
-	unsigned char *p = addr;
-	unsigned short *pWord16;
+	const unsigned short *pWord16;
 	unsigned long flags;
-	int i;
 
 	XXDEBUG(("bmac: enter set_address\n"));
 	spin_lock_irqsave(&bp->lock, flags);
 
-	for (i = 0; i < 6; ++i) {
-		dev->dev_addr[i] = p[i];
-	}
+	eth_hw_addr_set(dev, addr);
+
 	/* load up the hardware address */
-	pWord16  = (unsigned short *)dev->dev_addr;
+	pWord16  = (const unsigned short *)dev->dev_addr;
 	bmwrite(dev, MADD0, *pWord16++);
 	bmwrite(dev, MADD1, *pWord16++);
 	bmwrite(dev, MADD2, *pWord16);

drivers/net/ethernet/aquantia/atlantic/aq_hw.h

@@ -217,7 +217,7 @@ struct aq_hw_ops {
 	int (*hw_ring_tx_head_update)(struct aq_hw_s *self,
 				      struct aq_ring_s *aq_ring);
 
-	int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr);
+	int (*hw_set_mac_address)(struct aq_hw_s *self, const u8 *mac_addr);
 
 	int (*hw_soft_reset)(struct aq_hw_s *self);
 
@@ -226,7 +226,7 @@ struct aq_hw_ops {
 
 	int (*hw_reset)(struct aq_hw_s *self);
 
-	int (*hw_init)(struct aq_hw_s *self, u8 *mac_addr);
+	int (*hw_init)(struct aq_hw_s *self, const u8 *mac_addr);
 
 	int (*hw_start)(struct aq_hw_s *self);
 
@@ -373,7 +373,7 @@ struct aq_fw_ops {
 	int (*set_phyloopback)(struct aq_hw_s *self, u32 mode, bool enable);
 
 	int (*set_power)(struct aq_hw_s *self, unsigned int power_state,
-			 u8 *mac);
+			 const u8 *mac);
 
 	int (*send_fw_request)(struct aq_hw_s *self,
 			       const struct hw_fw_request_iface *fw_req,

drivers/net/ethernet/aquantia/atlantic/aq_macsec.c

@@ -35,7 +35,7 @@ static int aq_apply_macsec_cfg(struct aq_nic_s *nic);
 static int aq_apply_secy_cfg(struct aq_nic_s *nic,
 			     const struct macsec_secy *secy);
 
-static void aq_ether_addr_to_mac(u32 mac[2], unsigned char *emac)
+static void aq_ether_addr_to_mac(u32 mac[2], const unsigned char *emac)
 {
 	u32 tmp[2] = { 0 };
 

drivers/net/ethernet/aquantia/atlantic/aq_nic.c

@@ -300,6 +300,7 @@ static bool aq_nic_is_valid_ether_addr(const u8 *addr)
 
 int aq_nic_ndev_register(struct aq_nic_s *self)
 {
+	u8 addr[ETH_ALEN];
 	int err = 0;
 
 	if (!self->ndev) {
@@ -316,12 +317,13 @@ int aq_nic_ndev_register(struct aq_nic_s *self)
 #endif
 
 	mutex_lock(&self->fwreq_mutex);
-	err = self->aq_fw_ops->get_mac_permanent(self->aq_hw,
-			    self->ndev->dev_addr);
+	err = self->aq_fw_ops->get_mac_permanent(self->aq_hw, addr);
 	mutex_unlock(&self->fwreq_mutex);
 	if (err)
 		goto err_exit;
 
+	eth_hw_addr_set(self->ndev, addr);
+
 	if (!is_valid_ether_addr(self->ndev->dev_addr) ||
 	    !aq_nic_is_valid_ether_addr(self->ndev->dev_addr)) {
 		netdev_warn(self->ndev, "MAC is invalid, will use random.");

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c

@@ -322,7 +322,7 @@ static int hw_atl_a0_hw_init_rx_path(struct aq_hw_s *self)
 	return aq_hw_err_from_flags(self);
 }
 
-static int hw_atl_a0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
+static int hw_atl_a0_hw_mac_addr_set(struct aq_hw_s *self, const u8 *mac_addr)
 {
 	unsigned int h = 0U;
 	unsigned int l = 0U;
@@ -348,7 +348,7 @@ err_exit:
 	return err;
 }
 
-static int hw_atl_a0_hw_init(struct aq_hw_s *self, u8 *mac_addr)
+static int hw_atl_a0_hw_init(struct aq_hw_s *self, const u8 *mac_addr)
 {
 	static u32 aq_hw_atl_igcr_table_[4][2] = {
 		[AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c

@@ -533,7 +533,7 @@ static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
 	return aq_hw_err_from_flags(self);
 }
 
-int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
+int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, const u8 *mac_addr)
 {
 	unsigned int h = 0U;
 	unsigned int l = 0U;
@@ -558,7 +558,7 @@ err_exit:
 	return err;
 }
 
-static int hw_atl_b0_hw_init(struct aq_hw_s *self, u8 *mac_addr)
+static int hw_atl_b0_hw_init(struct aq_hw_s *self, const u8 *mac_addr)
 {
 	static u32 aq_hw_atl_igcr_table_[4][2] = {
 		[AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h

@@ -58,7 +58,7 @@ int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring);
 
 void hw_atl_b0_hw_init_rx_rss_ctrl1(struct aq_hw_s *self);
 
-int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr);
+int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, const u8 *mac_addr);
 
 int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc);
 int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable);

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c

@@ -944,7 +944,7 @@ u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self)
 }
 
 static int aq_fw1x_set_wake_magic(struct aq_hw_s *self, bool wol_enabled,
-				  u8 *mac)
+				  const u8 *mac)
 {
 	struct hw_atl_utils_fw_rpc *prpc = NULL;
 	unsigned int rpc_size = 0U;
@@ -987,7 +987,7 @@ err_exit:
 }
 
 static int aq_fw1x_set_power(struct aq_hw_s *self, unsigned int power_state,
-			     u8 *mac)
+			     const u8 *mac)
 {
 	struct hw_atl_utils_fw_rpc *prpc = NULL;
 	unsigned int rpc_size = 0U;

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c

@@ -358,7 +358,7 @@ static int aq_fw2x_get_phy_temp(struct aq_hw_s *self, int *temp)
 	return 0;
 }
 
-static int aq_fw2x_set_wol(struct aq_hw_s *self, u8 *mac)
+static int aq_fw2x_set_wol(struct aq_hw_s *self, const u8 *mac)
 {
 	struct hw_atl_utils_fw_rpc *rpc = NULL;
 	struct offload_info *info = NULL;
@@ -404,7 +404,7 @@ err_exit:
 }
 
 static int aq_fw2x_set_power(struct aq_hw_s *self, unsigned int power_state,
-			     u8 *mac)
+			     const u8 *mac)
 {
 	int err = 0;
 

drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c

@@ -516,7 +516,7 @@ static int hw_atl2_hw_init_rx_path(struct aq_hw_s *self)
 	return aq_hw_err_from_flags(self);
 }
 
-static int hw_atl2_hw_init(struct aq_hw_s *self, u8 *mac_addr)
+static int hw_atl2_hw_init(struct aq_hw_s *self, const u8 *mac_addr)
 {
 	static u32 aq_hw_atl2_igcr_table_[4][2] = {
 		[AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },

drivers/net/ethernet/asix/Kconfig

@@ -0,0 +1,35 @@
+#
+# Asix network device configuration
+#
+
+config NET_VENDOR_ASIX
+	bool "Asix devices"
+	default y
+	help
+	  If you have a network (Ethernet, non-USB, not NE2000 compatible)
+	  interface based on a chip from ASIX, say Y.
+
+if NET_VENDOR_ASIX
+
+config SPI_AX88796C
+	tristate "Asix AX88796C-SPI support"
+	select PHYLIB
+	depends on SPI
+	depends on GPIOLIB
+	help
+	  Say Y here if you intend to use ASIX AX88796C attached in SPI mode.
+
+config SPI_AX88796C_COMPRESSION
+	bool "SPI transfer compression"
+	default n
+	depends on SPI_AX88796C
+	help
+	  Say Y here to enable SPI transfer compression. It saves up
+	  to 24 dummy cycles during each transfer which may noticeably
+	  speed up short transfers. This sets the default value that is
+	  inherited by network interfaces during probe. It can be
+	  changed at run time via spi-compression ethtool tunable.
+
+	  If unsure say N.
+
+endif # NET_VENDOR_ASIX

drivers/net/ethernet/asix/Makefile

@@ -0,0 +1,6 @@
+#
+# Makefile for the Asix network device drivers.
+#
+
+obj-$(CONFIG_SPI_AX88796C) += ax88796c.o
+ax88796c-y := ax88796c_main.o ax88796c_ioctl.o ax88796c_spi.o

drivers/net/ethernet/asix/ax88796c_ioctl.c

@@ -0,0 +1,239 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2010 ASIX Electronics Corporation
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ *
+ * ASIX AX88796C SPI Fast Ethernet Linux driver
+ */
+
+#define pr_fmt(fmt)	"ax88796c: " fmt
+
+#include <linux/bitmap.h>
+#include <linux/iopoll.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+#include "ax88796c_main.h"
+#include "ax88796c_ioctl.h"
+
+static const char ax88796c_priv_flag_names[][ETH_GSTRING_LEN] = {
+	"SPICompression",
+};
+
+static void
+ax88796c_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info)
+{
+	/* Inherit standard device info */
+	strncpy(info->driver, DRV_NAME, sizeof(info->driver));
+}
+
+static u32 ax88796c_get_msglevel(struct net_device *ndev)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+
+	return ax_local->msg_enable;
+}
+
+static void ax88796c_set_msglevel(struct net_device *ndev, u32 level)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+
+	ax_local->msg_enable = level;
+}
+
+static void
+ax88796c_get_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+
+	pause->tx_pause = !!(ax_local->flowctrl & AX_FC_TX);
+	pause->rx_pause = !!(ax_local->flowctrl & AX_FC_RX);
+	pause->autoneg = (ax_local->flowctrl & AX_FC_ANEG) ?
+		AUTONEG_ENABLE :
+		AUTONEG_DISABLE;
+}
+
+static int
+ax88796c_set_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+	int fc;
+
+	/* The following logic comes from phylink_ethtool_set_pauseparam() */
+	fc = pause->tx_pause ? AX_FC_TX : 0;
+	fc |= pause->rx_pause ? AX_FC_RX : 0;
+	fc |= pause->autoneg ? AX_FC_ANEG : 0;
+
+	ax_local->flowctrl = fc;
+
+	if (pause->autoneg) {
+		phy_set_asym_pause(ax_local->phydev, pause->tx_pause,
+				   pause->rx_pause);
+	} else {
+		int maccr = 0;
+
+		phy_set_asym_pause(ax_local->phydev, 0, 0);
+		maccr |= (ax_local->flowctrl & AX_FC_RX) ? MACCR_RXFC_ENABLE : 0;
+		maccr |= (ax_local->flowctrl & AX_FC_TX) ? MACCR_TXFC_ENABLE : 0;
+
+		mutex_lock(&ax_local->spi_lock);
+
+		maccr |= AX_READ(&ax_local->ax_spi, P0_MACCR) &
+			~(MACCR_TXFC_ENABLE | MACCR_RXFC_ENABLE);
+		AX_WRITE(&ax_local->ax_spi, maccr, P0_MACCR);
+
+		mutex_unlock(&ax_local->spi_lock);
+	}
+
+	return 0;
+}
+
+static int ax88796c_get_regs_len(struct net_device *ndev)
+{
+	return AX88796C_REGDUMP_LEN + AX88796C_PHY_REGDUMP_LEN;
+}
+
+static void
+ax88796c_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *_p)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+	int offset, i;
+	u16 *p = _p;
+
+	memset(p, 0, ax88796c_get_regs_len(ndev));
+
+	mutex_lock(&ax_local->spi_lock);
+
+	for (offset = 0; offset < AX88796C_REGDUMP_LEN; offset += 2) {
+		if (!test_bit(offset / 2, ax88796c_no_regs_mask))
+			*p = AX_READ(&ax_local->ax_spi, offset);
+		p++;
+	}
+
+	mutex_unlock(&ax_local->spi_lock);
+
+	for (i = 0; i < AX88796C_PHY_REGDUMP_LEN / 2; i++) {
+		*p = phy_read(ax_local->phydev, i);
+		p++;
+	}
+}
+
+static void
+ax88796c_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
+{
+	switch (stringset) {
+	case ETH_SS_PRIV_FLAGS:
+		memcpy(data, ax88796c_priv_flag_names,
+		       sizeof(ax88796c_priv_flag_names));
+		break;
+	}
+}
+
+static int
+ax88796c_get_sset_count(struct net_device *ndev, int stringset)
+{
+	int ret = 0;
+
+	switch (stringset) {
+	case ETH_SS_PRIV_FLAGS:
+		ret = ARRAY_SIZE(ax88796c_priv_flag_names);
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+	}
+
+	return ret;
+}
+
+static int ax88796c_set_priv_flags(struct net_device *ndev, u32 flags)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+
+	if (flags & ~AX_PRIV_FLAGS_MASK)
+		return -EOPNOTSUPP;
+
+	if ((ax_local->priv_flags ^ flags) & AX_CAP_COMP)
+		if (netif_running(ndev))
+			return -EBUSY;
+
+	ax_local->priv_flags = flags;
+
+	return 0;
+}
+
+static u32 ax88796c_get_priv_flags(struct net_device *ndev)
+{
+	struct ax88796c_device *ax_local = to_ax88796c_device(ndev);
+
+	return ax_local->priv_flags;
+}
+
+int ax88796c_mdio_read(struct mii_bus *mdiobus, int phy_id, int loc)
+{
+	struct ax88796c_device *ax_local = mdiobus->priv;
+	int ret;
+
+	mutex_lock(&ax_local->spi_lock);
+	AX_WRITE(&ax_local->ax_spi, MDIOCR_RADDR(loc)
+			| MDIOCR_FADDR(phy_id) | MDIOCR_READ, P2_MDIOCR);
+
+	ret = read_poll_timeout(AX_READ, ret,
+				(ret != 0),
+				0, jiffies_to_usecs(HZ / 100), false,
+				&ax_local->ax_spi, P2_MDIOCR);
+	if (!ret)
+		ret = AX_READ(&ax_local->ax_spi, P2_MDIODR);
+
+	mutex_unlock(&ax_local->spi_lock);
+
+	return ret;
+}
+
+int
+ax88796c_mdio_write(struct mii_bus *mdiobus, int phy_id, int loc, u16 val)
+{
+	struct ax88796c_device *ax_local = mdiobus->priv;
+	int ret;
+
+	mutex_lock(&ax_local->spi_lock);
+	AX_WRITE(&ax_local->ax_spi, val, P2_MDIODR);
+
+	AX_WRITE(&ax_local->ax_spi,
+		 MDIOCR_RADDR(loc) | MDIOCR_FADDR(phy_id)
+		 | MDIOCR_WRITE, P2_MDIOCR);
+
+	ret = read_poll_timeout(AX_READ, ret,
+				((ret & MDIOCR_VALID) != 0), 0,
+				jiffies_to_usecs(HZ / 100), false,
+				&ax_local->ax_spi, P2_MDIOCR);
+	mutex_unlock(&ax_local->spi_lock);
+
+	return ret;
+}
+
+const struct ethtool_ops ax88796c_ethtool_ops = {
+	.get_drvinfo		= ax88796c_get_drvinfo,
+	.get_link		= ethtool_op_get_link,
+	.get_msglevel		= ax88796c_get_msglevel,
+	.set_msglevel		= ax88796c_set_msglevel,
+	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
+	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
+	.nway_reset		= phy_ethtool_nway_reset,
+	.get_pauseparam		= ax88796c_get_pauseparam,
+	.set_pauseparam		= ax88796c_set_pauseparam,
+	.get_regs_len		= ax88796c_get_regs_len,
+	.get_regs		= ax88796c_get_regs,
+	.get_strings		= ax88796c_get_strings,
+	.get_sset_count		= ax88796c_get_sset_count,
+	.get_priv_flags		= ax88796c_get_priv_flags,
+	.set_priv_flags		= ax88796c_set_priv_flags,
+};
+
+int ax88796c_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
+{
+	int ret;
+
+	ret = phy_mii_ioctl(ndev->phydev, ifr, cmd);
+
+	return ret;
+}

drivers/net/ethernet/asix/ax88796c_ioctl.h

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2010 ASIX Electronics Corporation
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ *
+ * ASIX AX88796C SPI Fast Ethernet Linux driver
+ */
+
+#ifndef _AX88796C_IOCTL_H
+#define _AX88796C_IOCTL_H
+
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+
+#include "ax88796c_main.h"
+
+extern const struct ethtool_ops ax88796c_ethtool_ops;
+
+bool ax88796c_check_power(const struct ax88796c_device *ax_local);
+bool ax88796c_check_power_and_wake(struct ax88796c_device *ax_local);
+void ax88796c_set_power_saving(struct ax88796c_device *ax_local, u8 ps_level);
+int ax88796c_mdio_read(struct mii_bus *mdiobus, int phy_id, int loc);
+int ax88796c_mdio_write(struct mii_bus *mdiobus, int phy_id, int loc, u16 val);
+int ax88796c_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+
+#endif

drivers/net/ethernet/asix/ax88796c_main.h

@@ -0,0 +1,568 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2010 ASIX Electronics Corporation
+ * Copyright (c) 2020 Samsung Electronics
+ *
+ * ASIX AX88796C SPI Fast Ethernet Linux driver
+ */
+
+#ifndef _AX88796C_MAIN_H
+#define _AX88796C_MAIN_H
+
+#include <linux/netdevice.h>
+#include <linux/mii.h>
+
+#include "ax88796c_spi.h"
+
+/* These identify the driver base version and may not be removed. */
+#define DRV_NAME	"ax88796c"
+#define ADP_NAME	"ASIX AX88796C SPI Ethernet Adapter"
+
+#define TX_QUEUE_HIGH_WATER		45	/* Tx queue high water mark */
+#define TX_QUEUE_LOW_WATER		20	/* Tx queue low water mark */
+
+#define AX88796C_REGDUMP_LEN		256
+#define AX88796C_PHY_REGDUMP_LEN	14
+#define AX88796C_PHY_ID			0x10
+
+#define TX_OVERHEAD			8
+#define TX_EOP_SIZE			4
+
+#define AX_MCAST_FILTER_SIZE		8
+#define AX_MAX_MCAST			64
+#define AX_MAX_CLK                      80000000
+#define TX_HDR_SOP_DICF			0x8000
+#define TX_HDR_SOP_CPHI			0x4000
+#define TX_HDR_SOP_INT			0x2000
+#define TX_HDR_SOP_MDEQ			0x1000
+#define TX_HDR_SOP_PKTLEN		0x07FF
+#define TX_HDR_SOP_SEQNUM		0xF800
+#define TX_HDR_SOP_PKTLENBAR		0x07FF
+
+#define TX_HDR_SEG_FS			0x8000
+#define TX_HDR_SEG_LS			0x4000
+#define TX_HDR_SEG_SEGNUM		0x3800
+#define TX_HDR_SEG_SEGLEN		0x0700
+#define TX_HDR_SEG_EOFST		0xC000
+#define TX_HDR_SEG_SOFST		0x3800
+#define TX_HDR_SEG_SEGLENBAR		0x07FF
+
+#define TX_HDR_EOP_SEQNUM		0xF800
+#define TX_HDR_EOP_PKTLEN		0x07FF
+#define TX_HDR_EOP_SEQNUMBAR		0xF800
+#define TX_HDR_EOP_PKTLENBAR		0x07FF
+
+/* Rx header fields mask */
+#define RX_HDR1_MCBC			0x8000
+#define RX_HDR1_STUFF_PKT		0x4000
+#define RX_HDR1_MII_ERR			0x2000
+#define RX_HDR1_CRC_ERR			0x1000
+#define RX_HDR1_PKT_LEN			0x07FF
+
+#define RX_HDR2_SEQ_NUM			0xF800
+#define RX_HDR2_PKT_LEN_BAR		0x7FFF
+
+#define RX_HDR3_PE			0x8000
+#define RX_HDR3_L3_TYPE_IPV4V6		0x6000
+#define RX_HDR3_L3_TYPE_IP		0x4000
+#define RX_HDR3_L3_TYPE_IPV6		0x2000
+#define RX_HDR3_L4_TYPE_ICMPV6		0x1400
+#define RX_HDR3_L4_TYPE_TCP		0x1000
+#define RX_HDR3_L4_TYPE_IGMP		0x0c00
+#define RX_HDR3_L4_TYPE_ICMP		0x0800
+#define RX_HDR3_L4_TYPE_UDP		0x0400
+#define RX_HDR3_L3_ERR			0x0200
+#define RX_HDR3_L4_ERR			0x0100
+#define RX_HDR3_PRIORITY(x)		((x) << 4)
+#define RX_HDR3_STRIP			0x0008
+#define RX_HDR3_VLAN_ID			0x0007
+
+struct ax88796c_pcpu_stats {
+	u64_stats_t rx_packets;
+	u64_stats_t rx_bytes;
+	u64_stats_t tx_packets;
+	u64_stats_t tx_bytes;
+	struct u64_stats_sync syncp;
+	u32 rx_dropped;
+	u32 tx_dropped;
+	u32 rx_frame_errors;
+	u32 rx_crc_errors;
+};
+
+struct ax88796c_device {
+	struct spi_device	*spi;
+	struct net_device	*ndev;
+	struct ax88796c_pcpu_stats __percpu *stats;
+
+	struct work_struct	ax_work;
+
+	struct mutex		spi_lock; /* device access */
+
+	struct sk_buff_head	tx_wait_q;
+
+	struct axspi_data	ax_spi;
+
+	struct mii_bus		*mdiobus;
+	struct phy_device	*phydev;
+
+	int			msg_enable;
+
+	u16			seq_num;
+
+	u8			multi_filter[AX_MCAST_FILTER_SIZE];
+
+	int			link;
+	int			speed;
+	int			duplex;
+	int			pause;
+	int			asym_pause;
+	int			flowctrl;
+		#define AX_FC_NONE		0
+		#define AX_FC_RX		BIT(0)
+		#define AX_FC_TX		BIT(1)
+		#define AX_FC_ANEG		BIT(2)
+
+	u32			priv_flags;
+		#define AX_CAP_COMP		BIT(0)
+		#define AX_PRIV_FLAGS_MASK	(AX_CAP_COMP)
+
+	unsigned long		flags;
+		#define EVENT_INTR		BIT(0)
+		#define EVENT_TX		BIT(1)
+		#define EVENT_SET_MULTI		BIT(2)
+
+};
+
+#define to_ax88796c_device(ndev) ((struct ax88796c_device *)netdev_priv(ndev))
+
+enum skb_state {
+	illegal = 0,
+	tx_done,
+	rx_done,
+	rx_err,
+};
+
+struct skb_data {
+	enum skb_state state;
+	size_t len;
+};
+
+/* A88796C register definition */
+	/* Definition of PAGE0 */
+#define P0_PSR		(0x00)
+	#define PSR_DEV_READY		BIT(7)
+	#define PSR_RESET		(0 << 15)
+	#define PSR_RESET_CLR		BIT(15)
+#define P0_BOR		(0x02)
+#define P0_FER		(0x04)
+	#define FER_IPALM		BIT(0)
+	#define FER_DCRC		BIT(1)
+	#define FER_RH3M		BIT(2)
+	#define FER_HEADERSWAP		BIT(7)
+	#define FER_WSWAP		BIT(8)
+	#define FER_BSWAP		BIT(9)
+	#define FER_INTHI		BIT(10)
+	#define FER_INTLO		(0 << 10)
+	#define FER_IRQ_PULL		BIT(11)
+	#define FER_RXEN		BIT(14)
+	#define FER_TXEN		BIT(15)
+#define P0_ISR		(0x06)
+	#define ISR_RXPKT		BIT(0)
+	#define ISR_MDQ			BIT(4)
+	#define ISR_TXT			BIT(5)
+	#define ISR_TXPAGES		BIT(6)
+	#define ISR_TXERR		BIT(8)
+	#define ISR_LINK		BIT(9)
+#define P0_IMR		(0x08)
+	#define IMR_RXPKT		BIT(0)
+	#define IMR_MDQ			BIT(4)
+	#define IMR_TXT			BIT(5)
+	#define IMR_TXPAGES		BIT(6)
+	#define IMR_TXERR		BIT(8)
+	#define IMR_LINK		BIT(9)
+	#define IMR_MASKALL		(0xFFFF)
+	#define IMR_DEFAULT		(IMR_TXERR)
+#define P0_WFCR		(0x0A)
+	#define WFCR_PMEIND		BIT(0) /* PME indication */
+	#define WFCR_PMETYPE		BIT(1) /* PME I/O type */
+	#define WFCR_PMEPOL		BIT(2) /* PME polarity */
+	#define WFCR_PMERST		BIT(3) /* Reset PME */
+	#define WFCR_SLEEP		BIT(4) /* Enable sleep mode */
+	#define WFCR_WAKEUP		BIT(5) /* Enable wakeup mode */
+	#define WFCR_WAITEVENT		BIT(6) /* Reserved */
+	#define WFCR_CLRWAKE		BIT(7) /* Clear wakeup */
+	#define WFCR_LINKCH		BIT(8) /* Enable link change */
+	#define WFCR_MAGICP		BIT(9) /* Enable magic packet */
+	#define WFCR_WAKEF		BIT(10) /* Enable wakeup frame */
+	#define WFCR_PMEEN		BIT(11) /* Enable PME pin */
+	#define WFCR_LINKCHS		BIT(12) /* Link change status */
+	#define WFCR_MAGICPS		BIT(13) /* Magic packet status */
+	#define WFCR_WAKEFS		BIT(14) /* Wakeup frame status */
+	#define WFCR_PMES		BIT(15) /* PME pin status */
+#define P0_PSCR		(0x0C)
+	#define PSCR_PS_MASK		(0xFFF0)
+	#define PSCR_PS_D0		(0)
+	#define PSCR_PS_D1		BIT(0)
+	#define PSCR_PS_D2		BIT(1)
+	#define PSCR_FPS		BIT(3) /* Enable fiber mode PS */
+	#define PSCR_SWPS		BIT(4) /* Enable software */
+						 /* PS control */
+	#define PSCR_WOLPS		BIT(5) /* Enable WOL PS */
+	#define PSCR_SWWOL		BIT(6) /* Enable software select */
+						 /* WOL PS */
+	#define PSCR_PHYOSC		BIT(7) /* Internal PHY OSC control */
+	#define PSCR_FOFEF		BIT(8) /* Force PHY generate FEF */
+	#define PSCR_FOF		BIT(9) /* Force PHY in fiber mode */
+	#define PSCR_PHYPD		BIT(10) /* PHY power down. */
+						  /* Active high */
+	#define PSCR_PHYRST		BIT(11) /* PHY reset signal. */
+						  /* Active low */
+	#define PSCR_PHYCSIL		BIT(12) /* PHY cable energy detect */
+	#define PSCR_PHYCOFF		BIT(13) /* PHY cable off */
+	#define PSCR_PHYLINK		BIT(14) /* PHY link status */
+	#define PSCR_EEPOK		BIT(15) /* EEPROM load complete */
+#define P0_MACCR	(0x0E)
+	#define MACCR_RXEN		BIT(0) /* Enable RX */
+	#define MACCR_DUPLEX_FULL	BIT(1) /* 1: Full, 0: Half */
+	#define MACCR_SPEED_100		BIT(2) /* 1: 100Mbps, 0: 10Mbps */
+	#define MACCR_RXFC_ENABLE	BIT(3)
+	#define MACCR_RXFC_MASK		0xFFF7
+	#define MACCR_TXFC_ENABLE	BIT(4)
+	#define MACCR_TXFC_MASK		0xFFEF
+	#define MACCR_PSI		BIT(6) /* Software Cable-Off */
+					       /* Power Saving Interrupt */
+	#define MACCR_PF		BIT(7)
+	#define MACCR_PMM_BITS		8
+	#define MACCR_PMM_MASK		(0x1F00)
+	#define MACCR_PMM_RESET		BIT(8)
+	#define MACCR_PMM_WAIT		(2 << 8)
+	#define MACCR_PMM_READY		(3 << 8)
+	#define MACCR_PMM_D1		(4 << 8)
+	#define MACCR_PMM_D2		(5 << 8)
+	#define MACCR_PMM_WAKE		(7 << 8)
+	#define MACCR_PMM_D1_WAKE	(8 << 8)
+	#define MACCR_PMM_D2_WAKE	(9 << 8)
+	#define MACCR_PMM_SLEEP		(10 << 8)
+	#define MACCR_PMM_PHY_RESET	(11 << 8)
+	#define MACCR_PMM_SOFT_D1	(16 << 8)
+	#define MACCR_PMM_SOFT_D2	(17 << 8)
+#define P0_TFBFCR	(0x10)
+	#define TFBFCR_SCHE_FREE_PAGE	0xE07F
+	#define TFBFCR_FREE_PAGE_BITS	0x07
+	#define TFBFCR_FREE_PAGE_LATCH	BIT(6)
+	#define TFBFCR_SET_FREE_PAGE(x)	(((x) & 0x3F) << TFBFCR_FREE_PAGE_BITS)
+	#define TFBFCR_TX_PAGE_SET	BIT(13)
+	#define TFBFCR_MANU_ENTX	BIT(15)
+	#define TX_FREEBUF_MASK		0x003F
+	#define TX_DPTSTART		0x4000
+
+#define P0_TSNR		(0x12)
+	#define TXNR_TXB_ERR		BIT(5)
+	#define TXNR_TXB_IDLE		BIT(6)
+	#define TSNR_PKT_CNT(x)		(((x) & 0x3F) << 8)
+	#define TXNR_TXB_REINIT		BIT(14)
+	#define TSNR_TXB_START		BIT(15)
+#define P0_RTDPR	(0x14)
+#define P0_RXBCR1	(0x16)
+	#define RXBCR1_RXB_DISCARD	BIT(14)
+	#define RXBCR1_RXB_START	BIT(15)
+#define P0_RXBCR2	(0x18)
+	#define RXBCR2_PKT_MASK		(0xFF)
+	#define RXBCR2_RXPC_MASK	(0x7F)
+	#define RXBCR2_RXB_READY	BIT(13)
+	#define RXBCR2_RXB_IDLE		BIT(14)
+	#define RXBCR2_RXB_REINIT	BIT(15)
+#define P0_RTWCR	(0x1A)
+	#define RTWCR_RXWC_MASK		(0x3FFF)
+	#define RTWCR_RX_LATCH		BIT(15)
+#define P0_RCPHR	(0x1C)
+
+	/* Definition of PAGE1 */
+#define P1_RPPER	(0x22)
+	#define RPPER_RXEN		BIT(0)
+#define P1_MRCR		(0x28)
+#define P1_MDR		(0x2A)
+#define P1_RMPR		(0x2C)
+#define P1_TMPR		(0x2E)
+#define P1_RXBSPCR	(0x30)
+	#define RXBSPCR_STUF_WORD_CNT(x)	(((x) & 0x7000) >> 12)
+	#define RXBSPCR_STUF_ENABLE		BIT(15)
+#define P1_MCR		(0x32)
+	#define MCR_SBP			BIT(8)
+	#define MCR_SM			BIT(9)
+	#define MCR_CRCENLAN		BIT(11)
+	#define MCR_STP			BIT(12)
+	/* Definition of PAGE2 */
+#define P2_CIR		(0x42)
+#define P2_PCR		(0x44)
+	#define PCR_POLL_EN		BIT(0)
+	#define PCR_POLL_FLOWCTRL	BIT(1)
+	#define PCR_POLL_BMCR		BIT(2)
+	#define PCR_PHYID(x)		((x) << 8)
+#define P2_PHYSR	(0x46)
+#define P2_MDIODR	(0x48)
+#define P2_MDIOCR	(0x4A)
+	#define MDIOCR_RADDR(x)		((x) & 0x1F)
+	#define MDIOCR_FADDR(x)		(((x) & 0x1F) << 8)
+	#define MDIOCR_VALID		BIT(13)
+	#define MDIOCR_READ		BIT(14)
+	#define MDIOCR_WRITE		BIT(15)
+#define P2_LCR0		(0x4C)
+	#define LCR_LED0_EN		BIT(0)
+	#define LCR_LED0_100MODE	BIT(1)
+	#define LCR_LED0_DUPLEX		BIT(2)
+	#define LCR_LED0_LINK		BIT(3)
+	#define LCR_LED0_ACT		BIT(4)
+	#define LCR_LED0_COL		BIT(5)
+	#define LCR_LED0_10MODE		BIT(6)
+	#define LCR_LED0_DUPCOL		BIT(7)
+	#define LCR_LED1_EN		BIT(8)
+	#define LCR_LED1_100MODE	BIT(9)
+	#define LCR_LED1_DUPLEX		BIT(10)
+	#define LCR_LED1_LINK		BIT(11)
+	#define LCR_LED1_ACT		BIT(12)
+	#define LCR_LED1_COL		BIT(13)
+	#define LCR_LED1_10MODE		BIT(14)
+	#define LCR_LED1_DUPCOL		BIT(15)
+#define P2_LCR1		(0x4E)
+	#define LCR_LED2_MASK		(0xFF00)
+	#define LCR_LED2_EN		BIT(0)
+	#define LCR_LED2_100MODE	BIT(1)
+	#define LCR_LED2_DUPLEX		BIT(2)
+	#define LCR_LED2_LINK		BIT(3)
+	#define LCR_LED2_ACT		BIT(4)
+	#define LCR_LED2_COL		BIT(5)
+	#define LCR_LED2_10MODE		BIT(6)
+	#define LCR_LED2_DUPCOL		BIT(7)
+#define P2_IPGCR	(0x50)
+#define P2_CRIR		(0x52)
+#define P2_FLHWCR	(0x54)
+#define P2_RXCR		(0x56)
+	#define RXCR_PRO		BIT(0)
+	#define RXCR_AMALL		BIT(1)
+	#define RXCR_SEP		BIT(2)
+	#define RXCR_AB			BIT(3)
+	#define RXCR_AM			BIT(4)
+	#define RXCR_AP			BIT(5)
+	#define RXCR_ARP		BIT(6)
+#define P2_JLCR		(0x58)
+#define P2_MPLR		(0x5C)
+
+	/* Definition of PAGE3 */
+#define P3_MACASR0	(0x62)
+	#define P3_MACASR(x)		(P3_MACASR0 + 2 * (x))
+	#define MACASR_LOWBYTE_MASK	0x00FF
+	#define MACASR_HIGH_BITS	0x08
+#define P3_MACASR1	(0x64)
+#define P3_MACASR2	(0x66)
+#define P3_MFAR01	(0x68)
+#define P3_MFAR_BASE	(0x68)
+	#define P3_MFAR(x)		(P3_MFAR_BASE + 2 * (x))
+
+#define P3_MFAR23	(0x6A)
+#define P3_MFAR45	(0x6C)
+#define P3_MFAR67	(0x6E)
+#define P3_VID0FR	(0x70)
+#define P3_VID1FR	(0x72)
+#define P3_EECSR	(0x74)
+#define P3_EEDR		(0x76)
+#define P3_EECR		(0x78)
+	#define EECR_ADDR_MASK		(0x00FF)
+	#define EECR_READ_ACT		BIT(8)
+	#define EECR_WRITE_ACT		BIT(9)
+	#define EECR_WRITE_DISABLE	BIT(10)
+	#define EECR_WRITE_ENABLE	BIT(11)
+	#define EECR_EE_READY		BIT(13)
+	#define EECR_RELOAD		BIT(14)
+	#define EECR_RESET		BIT(15)
+#define P3_TPCR		(0x7A)
+	#define TPCR_PATT_MASK		(0xFF)
+	#define TPCR_RAND_PKT_EN	BIT(14)
+	#define TPCR_FIXED_PKT_EN	BIT(15)
+#define P3_TPLR		(0x7C)
+	/* Definition of PAGE4 */
+#define P4_SPICR	(0x8A)
+	#define SPICR_RCEN		BIT(0)
+	#define SPICR_QCEN		BIT(1)
+	#define SPICR_RBRE		BIT(3)
+	#define SPICR_PMM		BIT(4)
+	#define SPICR_LOOPBACK		BIT(8)
+	#define SPICR_CORE_RES_CLR	BIT(10)
+	#define SPICR_SPI_RES_CLR	BIT(11)
+#define P4_SPIISMR	(0x8C)
+
+#define P4_COERCR0	(0x92)
+	#define COERCR0_RXIPCE		BIT(0)
+	#define COERCR0_RXIPVE		BIT(1)
+	#define COERCR0_RXV6PE		BIT(2)
+	#define COERCR0_RXTCPE		BIT(3)
+	#define COERCR0_RXUDPE		BIT(4)
+	#define COERCR0_RXICMP		BIT(5)
+	#define COERCR0_RXIGMP		BIT(6)
+	#define COERCR0_RXICV6		BIT(7)
+
+	#define COERCR0_RXTCPV6		BIT(8)
+	#define COERCR0_RXUDPV6		BIT(9)
+	#define COERCR0_RXICMV6		BIT(10)
+	#define COERCR0_RXIGMV6		BIT(11)
+	#define COERCR0_RXICV6V6	BIT(12)
+
+	#define COERCR0_DEFAULT		(COERCR0_RXIPCE | COERCR0_RXV6PE | \
+					 COERCR0_RXTCPE | COERCR0_RXUDPE | \
+					 COERCR0_RXTCPV6 | COERCR0_RXUDPV6)
+#define P4_COERCR1	(0x94)
+	#define COERCR1_IPCEDP		BIT(0)
+	#define COERCR1_IPVEDP		BIT(1)
+	#define COERCR1_V6VEDP		BIT(2)
+	#define COERCR1_TCPEDP		BIT(3)
+	#define COERCR1_UDPEDP		BIT(4)
+	#define COERCR1_ICMPDP		BIT(5)
+	#define COERCR1_IGMPDP		BIT(6)
+	#define COERCR1_ICV6DP		BIT(7)
+	#define COERCR1_RX64TE		BIT(8)
+	#define COERCR1_RXPPPE		BIT(9)
+	#define COERCR1_TCP6DP		BIT(10)
+	#define COERCR1_UDP6DP		BIT(11)
+	#define COERCR1_IC6DP		BIT(12)
+	#define COERCR1_IG6DP		BIT(13)
+	#define COERCR1_ICV66DP		BIT(14)
+	#define COERCR1_RPCE		BIT(15)
+
+	#define COERCR1_DEFAULT		(COERCR1_RXPPPE)
+
+#define P4_COETCR0	(0x96)
+	#define COETCR0_TXIP		BIT(0)
+	#define COETCR0_TXTCP		BIT(1)
+	#define COETCR0_TXUDP		BIT(2)
+	#define COETCR0_TXICMP		BIT(3)
+	#define COETCR0_TXIGMP		BIT(4)
+	#define COETCR0_TXICV6		BIT(5)
+	#define COETCR0_TXTCPV6		BIT(8)
+	#define COETCR0_TXUDPV6		BIT(9)
+	#define COETCR0_TXICMV6		BIT(10)
+	#define COETCR0_TXIGMV6		BIT(11)
+	#define COETCR0_TXICV6V6	BIT(12)
+
+	#define COETCR0_DEFAULT		(COETCR0_TXIP | COETCR0_TXTCP | \
+					 COETCR0_TXUDP | COETCR0_TXTCPV6 | \
+					 COETCR0_TXUDPV6)
+#define P4_COETCR1	(0x98)
+	#define COETCR1_TX64TE		BIT(0)
+	#define COETCR1_TXPPPE		BIT(1)
+
+#define P4_COECEDR	(0x9A)
+#define P4_L2CECR	(0x9C)
+
+	/* Definition of PAGE5 */
+#define P5_WFTR		(0xA2)
+	#define WFTR_2MS		(0x01)
+	#define WFTR_4MS		(0x02)
+	#define WFTR_8MS		(0x03)
+	#define WFTR_16MS		(0x04)
+	#define WFTR_32MS		(0x05)
+	#define WFTR_64MS		(0x06)
+	#define WFTR_128MS		(0x07)
+	#define WFTR_256MS		(0x08)
+	#define WFTR_512MS		(0x09)
+	#define WFTR_1024MS		(0x0A)
+	#define WFTR_2048MS		(0x0B)
+	#define WFTR_4096MS		(0x0C)
+	#define WFTR_8192MS		(0x0D)
+	#define WFTR_16384MS		(0x0E)
+	#define WFTR_32768MS		(0x0F)
+#define P5_WFCCR	(0xA4)
+#define P5_WFCR03	(0xA6)
+	#define WFCR03_F0_EN		BIT(0)
+	#define WFCR03_F1_EN		BIT(4)
+	#define WFCR03_F2_EN		BIT(8)
+	#define WFCR03_F3_EN		BIT(12)
+#define P5_WFCR47	(0xA8)
+	#define WFCR47_F4_EN		BIT(0)
+	#define WFCR47_F5_EN		BIT(4)
+	#define WFCR47_F6_EN		BIT(8)
+	#define WFCR47_F7_EN		BIT(12)
+#define P5_WF0BMR0	(0xAA)
+#define P5_WF0BMR1	(0xAC)
+#define P5_WF0CR	(0xAE)
+#define P5_WF0OBR	(0xB0)
+#define P5_WF1BMR0	(0xB2)
+#define P5_WF1BMR1	(0xB4)
+#define P5_WF1CR	(0xB6)
+#define P5_WF1OBR	(0xB8)
+#define P5_WF2BMR0	(0xBA)
+#define P5_WF2BMR1	(0xBC)
+
+	/* Definition of PAGE6 */
+#define P6_WF2CR	(0xC2)
+#define P6_WF2OBR	(0xC4)
+#define P6_WF3BMR0	(0xC6)
+#define P6_WF3BMR1	(0xC8)
+#define P6_WF3CR	(0xCA)
+#define P6_WF3OBR	(0xCC)
+#define P6_WF4BMR0	(0xCE)
+#define P6_WF4BMR1	(0xD0)
+#define P6_WF4CR	(0xD2)
+#define P6_WF4OBR	(0xD4)
+#define P6_WF5BMR0	(0xD6)
+#define P6_WF5BMR1	(0xD8)
+#define P6_WF5CR	(0xDA)
+#define P6_WF5OBR	(0xDC)
+
+/* Definition of PAGE7 */
+#define P7_WF6BMR0	(0xE2)
+#define P7_WF6BMR1	(0xE4)
+#define P7_WF6CR	(0xE6)
+#define P7_WF6OBR	(0xE8)
+#define P7_WF7BMR0	(0xEA)
+#define P7_WF7BMR1	(0xEC)
+#define P7_WF7CR	(0xEE)
+#define P7_WF7OBR	(0xF0)
+#define P7_WFR01	(0xF2)
+#define P7_WFR23	(0xF4)
+#define P7_WFR45	(0xF6)
+#define P7_WFR67	(0xF8)
+#define P7_WFPC0	(0xFA)
+#define P7_WFPC1	(0xFC)
+
+/* Tx headers structure */
+struct tx_sop_header {
+	/* bit 15-11: flags, bit 10-0: packet length */
+	u16 flags_len;
+	/* bit 15-11: sequence number, bit 11-0: packet length bar */
+	u16 seq_lenbar;
+};
+
+struct tx_segment_header {
+	/* bit 15-14: flags, bit 13-11: segment number */
+	/* bit 10-0: segment length */
+	u16 flags_seqnum_seglen;
+	/* bit 15-14: end offset, bit 13-11: start offset */
+	/* bit 10-0: segment length bar */
+	u16 eo_so_seglenbar;
+};
+
+struct tx_eop_header {
+	/* bit 15-11: sequence number, bit 10-0: packet length */
+	u16 seq_len;
+	/* bit 15-11: sequence number bar, bit 10-0: packet length bar */
+	u16 seqbar_lenbar;
+};
+
+struct tx_pkt_info {
+	struct tx_sop_header sop;
+	struct tx_segment_header seg;
+	struct tx_eop_header eop;
+	u16 pkt_len;
+	u16 seq_num;
+};
+
+/* Rx headers structure */
+struct rx_header {
+	u16 flags_len;
+	u16 seq_lenbar;
+	u16 flags;
+};
+
+extern unsigned long ax88796c_no_regs_mask[];
+
+#endif /* #ifndef _AX88796C_MAIN_H */

drivers/net/ethernet/asix/ax88796c_spi.c

@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2010 ASIX Electronics Corporation
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ *
+ * ASIX AX88796C SPI Fast Ethernet Linux driver
+ */
+
+#define pr_fmt(fmt)	"ax88796c: " fmt
+
+#include <linux/string.h>
+#include <linux/spi/spi.h>
+
+#include "ax88796c_spi.h"
+
+const u8 ax88796c_rx_cmd_buf[5] = {AX_SPICMD_READ_RXQ, 0xFF, 0xFF, 0xFF, 0xFF};
+const u8 ax88796c_tx_cmd_buf[4] = {AX_SPICMD_WRITE_TXQ, 0xFF, 0xFF, 0xFF};
+
+/* driver bus management functions */
+int axspi_wakeup(struct axspi_data *ax_spi)
+{
+	int ret;
+
+	ax_spi->cmd_buf[0] = AX_SPICMD_EXIT_PWD;	/* OP */
+	ret = spi_write(ax_spi->spi, ax_spi->cmd_buf, 1);
+	if (ret)
+		dev_err(&ax_spi->spi->dev, "%s() failed: ret = %d\n", __func__, ret);
+	return ret;
+}
+
+int axspi_read_status(struct axspi_data *ax_spi, struct spi_status *status)
+{
+	int ret;
+
+	/* OP */
+	ax_spi->cmd_buf[0] = AX_SPICMD_READ_STATUS;
+	ret = spi_write_then_read(ax_spi->spi, ax_spi->cmd_buf, 1, (u8 *)&status, 3);
+	if (ret)
+		dev_err(&ax_spi->spi->dev, "%s() failed: ret = %d\n", __func__, ret);
+	else
+		le16_to_cpus(&status->isr);
+
+	return ret;
+}
+
+int axspi_read_rxq(struct axspi_data *ax_spi, void *data, int len)
+{
+	struct spi_transfer *xfer = ax_spi->spi_rx_xfer;
+	int ret;
+
+	memcpy(ax_spi->cmd_buf, ax88796c_rx_cmd_buf, 5);
+
+	xfer->tx_buf = ax_spi->cmd_buf;
+	xfer->rx_buf = NULL;
+	xfer->len = ax_spi->comp ? 2 : 5;
+	xfer->bits_per_word = 8;
+	spi_message_add_tail(xfer, &ax_spi->rx_msg);
+
+	xfer++;
+	xfer->rx_buf = data;
+	xfer->tx_buf = NULL;
+	xfer->len = len;
+	xfer->bits_per_word = 8;
+	spi_message_add_tail(xfer, &ax_spi->rx_msg);
+	ret = spi_sync(ax_spi->spi, &ax_spi->rx_msg);
+	if (ret)
+		dev_err(&ax_spi->spi->dev, "%s() failed: ret = %d\n", __func__, ret);
+
+	return ret;
+}
+
+int axspi_write_txq(const struct axspi_data *ax_spi, void *data, int len)
+{
+	return spi_write(ax_spi->spi, data, len);
+}
+
+u16 axspi_read_reg(struct axspi_data *ax_spi, u8 reg)
+{
+	int ret;
+	int len = ax_spi->comp ? 3 : 4;
+
+	ax_spi->cmd_buf[0] = 0x03;	/* OP code read register */
+	ax_spi->cmd_buf[1] = reg;	/* register address */
+	ax_spi->cmd_buf[2] = 0xFF;	/* dumy cycle */
+	ax_spi->cmd_buf[3] = 0xFF;	/* dumy cycle */
+	ret = spi_write_then_read(ax_spi->spi,
+				  ax_spi->cmd_buf, len,
+				  ax_spi->rx_buf, 2);
+	if (ret) {
+		dev_err(&ax_spi->spi->dev,
+			"%s() failed: ret = %d\n", __func__, ret);
+		return 0xFFFF;
+	}
+
+	le16_to_cpus((u16 *)ax_spi->rx_buf);
+
+	return *(u16 *)ax_spi->rx_buf;
+}
+
+int axspi_write_reg(struct axspi_data *ax_spi, u8 reg, u16 value)
+{
+	int ret;
+
+	memset(ax_spi->cmd_buf, 0, sizeof(ax_spi->cmd_buf));
+	ax_spi->cmd_buf[0] = AX_SPICMD_WRITE_REG;	/* OP code read register */
+	ax_spi->cmd_buf[1] = reg;			/* register address */
+	ax_spi->cmd_buf[2] = value;
+	ax_spi->cmd_buf[3] = value >> 8;
+
+	ret = spi_write(ax_spi->spi, ax_spi->cmd_buf, 4);
+	if (ret)
+		dev_err(&ax_spi->spi->dev, "%s() failed: ret = %d\n", __func__, ret);
+	return ret;
+}
+

drivers/net/ethernet/asix/ax88796c_spi.h

@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2010 ASIX Electronics Corporation
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ *
+ * ASIX AX88796C SPI Fast Ethernet Linux driver
+ */
+
+#ifndef _AX88796C_SPI_H
+#define _AX88796C_SPI_H
+
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+/* Definition of SPI command */
+#define AX_SPICMD_WRITE_TXQ		0x02
+#define AX_SPICMD_READ_REG		0x03
+#define AX_SPICMD_READ_STATUS		0x05
+#define AX_SPICMD_READ_RXQ		0x0B
+#define AX_SPICMD_BIDIR_WRQ		0xB2
+#define AX_SPICMD_WRITE_REG		0xD8
+#define AX_SPICMD_EXIT_PWD		0xAB
+
+extern const u8 ax88796c_rx_cmd_buf[];
+extern const u8 ax88796c_tx_cmd_buf[];
+
+struct axspi_data {
+	struct spi_device	*spi;
+	struct spi_message	rx_msg;
+	struct spi_transfer	spi_rx_xfer[2];
+	u8			cmd_buf[6];
+	u8			rx_buf[6];
+	u8			comp;
+};
+
+struct spi_status {
+	u16 isr;
+	u8 status;
+#	define AX_STATUS_READY		0x80
+};
+
+int axspi_read_rxq(struct axspi_data *ax_spi, void *data, int len);
+int axspi_write_txq(const struct axspi_data *ax_spi, void *data, int len);
+u16 axspi_read_reg(struct axspi_data *ax_spi, u8 reg);
+int axspi_write_reg(struct axspi_data *ax_spi, u8 reg, u16 value);
+int axspi_read_status(struct axspi_data *ax_spi, struct spi_status *status);
+int axspi_wakeup(struct axspi_data *ax_spi);
+
+static inline u16 AX_READ(struct axspi_data *ax_spi, u8 offset)
+{
+	return axspi_read_reg(ax_spi, offset);
+}
+
+static inline int AX_WRITE(struct axspi_data *ax_spi, u16 value, u8 offset)
+{
+	return axspi_write_reg(ax_spi, offset, value);
+}
+
+static inline int AX_READ_STATUS(struct axspi_data *ax_spi,
+				 struct spi_status *status)
+{
+	return axspi_read_status(ax_spi, status);
+}
+
+static inline int AX_WAKEUP(struct axspi_data *ax_spi)
+{
+	return axspi_wakeup(ax_spi);
+}
+#endif

drivers/net/ethernet/atheros/ag71xx.c

@@ -1971,7 +1971,7 @@ static int ag71xx_probe(struct platform_device *pdev)
 	err = of_get_ethdev_address(np, ndev);
 	if (err) {
 		netif_err(ag, probe, ndev, "invalid MAC address, using random address\n");
-		eth_random_addr(ndev->dev_addr);
+		eth_hw_addr_random(ndev);
 	}
 
 	err = of_get_phy_mode(np, &ag->phy_if_mode);

drivers/net/ethernet/broadcom/b44.c

@@ -218,7 +218,8 @@ static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index
 	data[1] = (val >> 0) & 0xFF;
 }
 
-static inline void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
+static inline void __b44_cam_write(struct b44 *bp,
+				   const unsigned char *data, int index)
 {
 	u32 val;
 
@@ -1507,7 +1508,8 @@ static void bwfilter_table(struct b44 *bp, u8 *pp, u32 bytes, u32 table_offset)
 	}
 }
 
-static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
+static int b44_magic_pattern(const u8 *macaddr, u8 *ppattern, u8 *pmask,
+			     int offset)
 {
 	int magicsync = 6;
 	int k, j, len = offset;

drivers/net/ethernet/broadcom/bcmsysport.c

@@ -1818,7 +1818,7 @@ static inline void umac_reset(struct bcm_sysport_priv *priv)
 }
 
 static void umac_set_hw_addr(struct bcm_sysport_priv *priv,
-			     unsigned char *addr)
+			     const unsigned char *addr)
 {
 	u32 mac0 = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) |
 		    addr[3];

drivers/net/ethernet/broadcom/bgmac.c

@@ -768,7 +768,7 @@ static void bgmac_umac_cmd_maskset(struct bgmac *bgmac, u32 mask, u32 set,
 	udelay(2);
 }
 
-static void bgmac_write_mac_address(struct bgmac *bgmac, u8 *addr)
+static void bgmac_write_mac_address(struct bgmac *bgmac, const u8 *addr)
 {
 	u32 tmp;
 

drivers/net/ethernet/broadcom/bnx2.c

@@ -2704,7 +2704,7 @@ bnx2_alloc_bad_rbuf(struct bnx2 *bp)
 }
 
 static void
-bnx2_set_mac_addr(struct bnx2 *bp, u8 *mac_addr, u32 pos)
+bnx2_set_mac_addr(struct bnx2 *bp, const u8 *mac_addr, u32 pos)
 {
 	u32 val;
 

drivers/net/ethernet/broadcom/bnx2x/bnx2x.h

@@ -1994,7 +1994,7 @@ int bnx2x_idle_chk(struct bnx2x *bp);
  * operation has been successfully scheduled and a negative - if a requested
  * operations has failed.
  */
-int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
+int bnx2x_set_mac_one(struct bnx2x *bp, const u8 *mac,
 		      struct bnx2x_vlan_mac_obj *obj, bool set,
 		      int mac_type, unsigned long *ramrod_flags);
 

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

@@ -8417,7 +8417,7 @@ alloc_mem_err:
  * Init service functions
  */
 
-int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
+int bnx2x_set_mac_one(struct bnx2x *bp, const u8 *mac,
 		      struct bnx2x_vlan_mac_obj *obj, bool set,
 		      int mac_type, unsigned long *ramrod_flags)
 {
@@ -9146,7 +9146,7 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
 
 	else if (bp->wol) {
 		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
-		u8 *mac_addr = bp->dev->dev_addr;
+		const u8 *mac_addr = bp->dev->dev_addr;
 		struct pci_dev *pdev = bp->pdev;
 		u32 val;
 		u16 pmc;
@@ -11823,9 +11823,10 @@ static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
 	u32 val, val2;
 	int func = BP_ABS_FUNC(bp);
 	int port = BP_PORT(bp);
+	u8 addr[ETH_ALEN] = {};
 
 	/* Zero primary MAC configuration */
-	eth_zero_addr(bp->dev->dev_addr);
+	eth_hw_addr_set(bp->dev, addr);
 
 	if (BP_NOMCP(bp)) {
 		BNX2X_ERROR("warning: random MAC workaround active\n");
@@ -11834,8 +11835,10 @@ static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
 		val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
 		val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
 		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
-		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
-			bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
+		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
+			bnx2x_set_mac_buf(addr, val, val2);
+			eth_hw_addr_set(bp->dev, addr);
+		}
 
 		if (CNIC_SUPPORT(bp))
 			bnx2x_get_cnic_mac_hwinfo(bp);
@@ -11843,7 +11846,8 @@ static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
 		/* in SF read MACs from port configuration */
 		val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
 		val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
-		bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
+		bnx2x_set_mac_buf(addr, val, val2);
+		eth_hw_addr_set(bp->dev, addr);
 
 		if (CNIC_SUPPORT(bp))
 			bnx2x_get_cnic_mac_hwinfo(bp);
@@ -12291,7 +12295,9 @@ static int bnx2x_init_bp(struct bnx2x *bp)
 		if (rc)
 			return rc;
 	} else {
-		eth_zero_addr(bp->dev->dev_addr);
+		static const u8 zero_addr[ETH_ALEN] = {};
+
+		eth_hw_addr_set(bp->dev, zero_addr);
 	}
 
 	bnx2x_set_modes_bitmap(bp);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h

@@ -508,7 +508,8 @@ int bnx2x_vfpf_init(struct bnx2x *bp);
 void bnx2x_vfpf_close_vf(struct bnx2x *bp);
 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 		       bool is_leading);
-int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set);
+int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid,
+			  bool set);
 int bnx2x_vfpf_config_rss(struct bnx2x *bp,
 			  struct bnx2x_config_rss_params *params);
 int bnx2x_vfpf_set_mcast(struct net_device *dev);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c

@@ -721,7 +721,7 @@ out:
 }
 
 /* request pf to add a mac for the vf */
-int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
+int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid, bool set)
 {
 	struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
 	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -4869,7 +4869,7 @@ static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
 #endif
 
 static int bnxt_hwrm_set_vnic_filter(struct bnxt *bp, u16 vnic_id, u16 idx,
-				     u8 *mac_addr)
+				     const u8 *mac_addr)
 {
 	struct hwrm_cfa_l2_filter_alloc_output *resp;
 	struct hwrm_cfa_l2_filter_alloc_input *req;
@@ -6366,7 +6366,7 @@ static int __bnxt_reserve_rings(struct bnxt *bp)
 	if (rx_rings != bp->rx_nr_rings) {
 		netdev_warn(bp->dev, "Able to reserve only %d out of %d requested RX rings\n",
 			    rx_rings, bp->rx_nr_rings);
-		if ((bp->dev->priv_flags & IFF_RXFH_CONFIGURED) &&
+		if (netif_is_rxfh_configured(bp->dev) &&
 		    (bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) !=
 		     bnxt_get_nr_rss_ctxs(bp, rx_rings) ||
 		     bnxt_get_max_rss_ring(bp) >= rx_rings)) {

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

@@ -909,7 +909,7 @@ static int bnxt_set_channels(struct net_device *dev,
 
 	if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
 	    bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
-	    (dev->priv_flags & IFF_RXFH_CONFIGURED)) {
+	    netif_is_rxfh_configured(dev)) {
 		netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
 		return -EINVAL;
 	}

drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c

@@ -1151,7 +1151,7 @@ void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)
 	}
 }
 
-int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict)
+int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict)
 {
 	struct hwrm_func_vf_cfg_input *req;
 	int rc = 0;
@@ -1246,7 +1246,7 @@ void bnxt_update_vf_mac(struct bnxt *bp)
 {
 }
 
-int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict)
+int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict)
 {
 	return 0;
 }

drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h

@@ -41,5 +41,5 @@ int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset);
 void bnxt_sriov_disable(struct bnxt *);
 void bnxt_hwrm_exec_fwd_req(struct bnxt *);
 void bnxt_update_vf_mac(struct bnxt *);
-int bnxt_approve_mac(struct bnxt *, u8 *, bool);
+int bnxt_approve_mac(struct bnxt *, const u8 *, bool);
 #endif

drivers/net/ethernet/broadcom/genet/bcmgenet.c

@@ -3266,7 +3266,7 @@ static void bcmgenet_umac_reset(struct bcmgenet_priv *priv)
 }
 
 static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv,
-				 unsigned char *addr)
+				 const unsigned char *addr)
 {
 	bcmgenet_umac_writel(priv, get_unaligned_be32(&addr[0]), UMAC_MAC0);
 	bcmgenet_umac_writel(priv, get_unaligned_be16(&addr[4]), UMAC_MAC1);
@@ -3560,7 +3560,7 @@ static void bcmgenet_timeout(struct net_device *dev, unsigned int txqueue)
 #define MAX_MDF_FILTER	17
 
 static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv,
-					 unsigned char *addr,
+					 const unsigned char *addr,
 					 int *i)
 {
 	bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1],
@@ -4085,8 +4085,12 @@ static int bcmgenet_probe(struct platform_device *pdev)
 		eth_hw_addr_set(dev, pd->mac_address);
 	else
 		if (device_get_ethdev_address(&pdev->dev, dev))
-			if (has_acpi_companion(&pdev->dev))
-				bcmgenet_get_hw_addr(priv, dev->dev_addr);
+			if (has_acpi_companion(&pdev->dev)) {
+				u8 addr[ETH_ALEN];
+
+				bcmgenet_get_hw_addr(priv, addr);
+				eth_hw_addr_set(dev, addr);
+			}
 
 	if (!is_valid_ether_addr(dev->dev_addr)) {
 		dev_warn(&pdev->dev, "using random Ethernet MAC\n");