4. Ethernet

4.1. Dts Configuration

4.1.1. Public Configuration

kernel/arch/arm/boot/dts/rv1126-firefly-rk809.dtsi

&gmac {
        phy-mode = "rgmii";
        clock_in_out = "output";

        snps,reset-gpio = <&gpio2 RK_PB2 GPIO_ACTIVE_LOW>;
        snps,reset-active-low;
        /* Reset time is 20ms, 100ms for rtl8211f */
        snps,reset-delays-us = <0 20000 100000>;

        assigned-clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>, <&cru CLK_GMAC_ETHERNET_OUT>;
        assigned-clock-parents = <&cru CLK_GMAC_SRC_M1>, <&cru RGMII_MODE_CLK>;//Core board and baseboard use this
        //assigned-clock-parents = <&cru CLK_GMAC_SRC_M0>, <&cru RGMII_MODE_CLK>;//Cluster server R1 Use this
        assigned-clock-rates = <125000000>, <0>, <25000000>;

        pinctrl-names = "default";
        pinctrl-0 = <&rgmiim1_miim &rgmiim1_bus2 &rgmiim1_bus4 &clkm1_out_ethernet>;
        //pinctrl-0 = <&rgmiim0_pins &clk_out_ethernetm0_pins>;//Cluster server R1 uses

        tx_delay = <0x2a>;
        rx_delay = <0x1a>;

        phy-handle = <&phy>;
        status = "okay";
};

4.1.2. View IP Address

  • Double The Ethernet port is connected to the network. You can check the IP address through the debug serial port or adb, such as

    ifconfig eth0
    eth0  Link encap:Ethernet  HWaddr 36:0a:d2:60:c9:05  Driver rk_gmac-dwmac
          inet addr:168.168.101.68  Bcast:168.168.255.255  Mask:255.255.0.0 
          inet6 addr: fe80::3290:2dc:3624:1dec/64 Scope: Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:15804 errors:0 dropped:1 overruns:0 frame:0 
          TX packets:68 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000 
          RX bytes:1811566 TX bytes:6748 
          Interrupt:75 
    
    ifconfig eth1
    eth1  Link encap:Ethernet  HWaddr 32:0a:d2:60:c9:05  Driver rk_gmac-dwmac
          inet addr:168.168.101.38  Bcast:168.168.255.255  Mask:255.255.0.0 
          inet6 addr: 240e:3b1:f174:f00:d3fe:4d8e:fda9:3c0/64 Scope: Global
          inet6 addr: fe80::b556:9d3f:e684:bec4/64 Scope: Link
          inet6 addr: 240e:3b1:f174:f00:9d78:e75f:6167:15c1/64 Scope: Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:913 errors:0 dropped:1 overruns:0 frame:0 
          TX packets:210 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000 
          RX bytes:108473 TX bytes:24906 
          Interrupt:127 
    

4.1.3. Connectivity Test

  • eth0

    ping -I eth0 -c 10 168.168.100.149                                        
    PING 168.168.100.149 (168.168.100.149) from 168.168.101.68 eth0: 56(84) bytes of data.
    64 bytes from 168.168.100.149: icmp_seq=1 ttl=64 time=0.424 ms
    64 bytes from 168.168.100.149: icmp_seq=2 ttl=64 time=0.561 ms
    64 bytes from 168.168.100.149: icmp_seq=3 ttl=64 time=0.538 ms
    64 bytes from 168.168.100.149: icmp_seq=4 ttl=64 time=0.507 ms
    64 bytes from 168.168.100.149: icmp_seq=5 ttl=64 time=0.755 ms
    64 bytes from 168.168.100.149: icmp_seq=6 ttl=64 time=0.657 ms
    64 bytes from 168.168.100.149: icmp_seq=7 ttl=64 time=0.696 ms
    64 bytes from 168.168.100.149: icmp_seq=8 ttl=64 time=0.784 ms
    64 bytes from 168.168.100.149: icmp_seq=9 ttl=64 time=0.544 ms
    64 bytes from 168.168.100.149: icmp_seq=10 ttl=64 time=0.750 ms
    
    --- 168.168.100.149 ping statistics ---
    10 packets transmitted, 10 received, 0% packet loss, time 9058ms
    rtt min/avg/max/mdev = 0.424/0.621/0.784/0.119 ms
    
  • eth1

    ping -I eth1 -c 10 www.baidu.com
    PING www.a.shifen.com (14.215.177.39) from 168.168.101.38 eth1: 56(84) bytes of data.
    64 bytes from 14.215.177.39: icmp_seq=1 ttl=55 time=8.81 ms
    64 bytes from 14.215.177.39: icmp_seq=2 ttl=55 time=8.40 ms
    64 bytes from 14.215.177.39: icmp_seq=3 ttl=55 time=8.79 ms
    64 bytes from 14.215.177.39: icmp_seq=4 ttl=55 time=8.79 ms
    64 bytes from 14.215.177.39: icmp_seq=5 ttl=55 time=8.90 ms
    64 bytes from 14.215.177.39: icmp_seq=6 ttl=55 time=12.0 ms
    64 bytes from 14.215.177.39: icmp_seq=7 ttl=55 time=8.75 ms
    64 bytes from 14.215.177.39: icmp_seq=8 ttl=55 time=14.4 ms
    64 bytes from 14.215.177.39: icmp_seq=9 ttl=55 time=8.79 ms
    64 bytes from 14.215.177.39: icmp_seq=10 ttl=55 time=9.98 ms
    
    --- www.a.shifen.com ping statistics ---
    10 packets transmitted, 10 received, 0% packet loss, time 9015ms
    rtt min/avg/max/mdev = 8.405/9.775/14.422/1.854 ms