4. Ethernet

4.1. DTS configure

4.1.1. Common

kernel/arch/arm64/boot/dts/rockchip/rk3576.dtsi

&gmac0 {                                                                                                                                                                
	compatible = "rockchip,rk3576-gmac", "snps,dwmac-4.20a";
	reg = <0x0 0x2a230000 0x0 0x10000>;
	interrupts = <0 301 4>,
	<0 306 4>;
	interrupt-names = "macirq", "eth_wake_irq";
	rockchip,grf = <&sdgmac_grf>;
	rockchip,php_grf = <&ioc_grf>;
  ......
};

4.1.2. Board

kernel/arch/arm64/boot/dts/rockchip/rk3576-firefly-roc-rk3576-pc.dtsi

/* gmac0 */
&gmac0 {
	status = "okay";
};

4.1.3. IP Addrs

  • get from debug or adb by ifconfig

    ifconfig eth0
    eth0      Link encap:Ethernet  HWaddr 52:22:4b:e4:f8:3c  Driver rk_gmac-dwmac
          inet addr:168.168.104.210  Bcast:168.168.255.255  Mask:255.255.0.0
          inet6 addr: 240e:3b1:f175:9df0:ea6d:9993:33e6:202d/64 Scope: Global
          inet6 addr: 240e:3b1:f175:9df0:e0e8:b021:fc7a:dafc/64 Scope: Global
          inet6 addr: fe80::9cd8:e64d:b9c2:6f4/64 Scope: Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:229 errors:0 dropped:0 overruns:0 frame:0
          TX packets:62 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:40526 TX bytes:6698
          Interrupt:70
    

4.1.4. PING Test

  • eth0

    ping -I eth0 -c 10  www.baidu.com
    PING www.a.shifen.com (14.215.177.38) from 168.168.104.210 eth0: 56(84) bytes of data.
    64 bytes from 14.215.177.38: icmp_seq=1 ttl=55 time=9.45 ms
    64 bytes from 14.215.177.38: icmp_seq=2 ttl=55 time=9.36 ms
    64 bytes from 14.215.177.38: icmp_seq=3 ttl=55 time=10.0 ms
    64 bytes from 14.215.177.38: icmp_seq=4 ttl=55 time=11.3 ms
    64 bytes from 14.215.177.38: icmp_seq=5 ttl=55 time=41.7 ms
    64 bytes from 14.215.177.38: icmp_seq=6 ttl=55 time=9.73 ms
    64 bytes from 14.215.177.38: icmp_seq=7 ttl=55 time=9.28 ms
    64 bytes from 14.215.177.38: icmp_seq=8 ttl=55 time=9.26 ms
    64 bytes from 14.215.177.38: icmp_seq=9 ttl=55 time=9.50 ms
    64 bytes from 14.215.177.38: icmp_seq=10 ttl=55 time=12.9 ms
    
    --- www.a.shifen.com ping statistics ---
    10 packets transmitted, 10 received, 0% packet loss, time 9013ms
    rtt min/avg/max/mdev = 9.265/13.262/41.757/9.562 ms