Hi Olivier,
I tried to consider your comments. In menuconfig I have already enabled all VLAN related options. Unfortunately I can not either disable the VLAN filtering options in menuconfig, because the driver of the SJA1105 switch depends on it.
The command ethtool -k eth0 gives me the following VLAN related output:
rx-vlan-offload: on [fixed]
tx-vlan-offload: on [fixed]
rx-vlan-filter: on [fixed]
vlan-challenged: off [fixed]
tx-vlan-stag-hw-insert: on [fixed]
rx-vlan-stag-hw-parse: on [fixed]
rx-vlan-stag-filter: on [fixed]
As you can see, almost all VLAN settings are enabled and I am not able to disable any of them.
After all, by further debugging I can confirm, that num_vlan never becomes greater than 1 in the dwmac4-driver. :worried_face:
At the end, this is my current network-related device tree, maybe it will help to get a deeper insight.
ðernet0{
pinctrl-names = "default", "sleep";
pinctrl-0 = <ð1_pins_mx>;
pinctrl-1 = <ð1_sleep_pins_mx>;
status = "okay";
/* USER CODE BEGIN ethernet0 */
st,eth-clk-sel;
phy-connection-type = "rgmii-txid";
fixed-link {
speed = <1000>;
full-duplex;
};
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
rgmii_phy5: ethernet-phy@5 {
compatible = "ethernet-phy-id2000.a284", "ethernet-phy-ieee802.3-c22";
reg = <5>;
};
rgmii_phy4: ethernet-phy@4 {
compatible = "ethernet-phy-id2000.a284", "ethernet-phy-ieee802.3-c22";
reg = <4>;
};
rgmii_phy0: ethernet-phy@0 {
rx-internal-delay-ps = <2000>;
tx-internal-delay-ps = <2000>;
reg = <0>;
};
};
....
&spi4{
pinctrl-names = "default", "sleep";
pinctrl-0 = <&spi4_pins_mx>;
pinctrl-1 = <&spi4_sleep_pins_mx>;
status = "okay";
/* USER CODE BEGIN spi4 */
cs-gpios = <&gpiob 12 GPIO_ACTIVE_LOW>,
<&gpiof 15 GPIO_ACTIVE_LOW>;
sja1105@0 {
compatible = "nxp,sja1105s";
reg = <0>;
spi-max-frequency = <16000000>;/* max 24 MHz according to the data sheet */
#address-cells = <1>;
#size-cells = <0>;
fsl,spi-cs-sck-delay = <1000>;
fsl,spi-sck-cs-delay = <1000>;
spi-cpha;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
label = "cpu";
ethernet = <ðernet0>;
phy-mode = "rgmii-rxid"; /* no PCB serpentine traces on the board */
reg = <0>;
/* Implicit "sja1105,role-phy;" */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@1 {
label = "swp1";
phy-handle = <&rgmii_phy5>;
phy-mode = "rgmii-id";
reg = <1>;
/* Implicit "sja1105,role-mac;" */
};
port@2 {
label = "swp2";
phy-handle = <&rgmii_phy4>;
phy-mode = "rgmii-id";
reg = <2>;
/* Implicit "sja1105,role-mac;" */
};
port@3 {
label = "swp3";
phy-handle = <&rgmii_phy0>;
phy-mode = "rgmii-rxid";
reg = <3>;
/* Implicit "sja1105,role-mac;" */
};
port@4 {
label = "swp4";
phy-mode = "rgmii-id";
sja1105,role-mac;
reg = <4>;
fixed-link {
speed = <1000>;
full-duplex;
};
/* this port is unused*/
};
};
};
fram: cy15v102qn@1 {
compatible = "jedec,spi-nor";
reg = <1>;
spi-max-frequency = <32000000>;
#address-cells = <1>;
#size-cells = <1>;
m25p,fast-read;
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "spi-fram";
reg = <0x0 0x40000>; /* 2 Mbit => 256k * 8 => 262144 * 8 */
};
};
};
/* USER CODE END spi4 */
};
Thank you and best regards,
Choll.2
