wiki:venice/ethernet

Version 4 (modified by Ryan Erbstoesser, 19 months ago) ( diff )

add bootloader var

Venice Ethernet

Venice Ethernet device mapping:

Board Connector Silkscreen U-Boot Linux MAC/Phy Notes
GW740x J21 Eth#0 eth1 eth1 IMX8MP EQOS RGMII GPY111 802.3at class5 PoE
- - eth0 eth0 IMX8MP FEC RGMII KSZ9477 Port5 cpu uplink
J22 Eth#1 lan1 lan1 KSZ9477 Port1 Passive 8-60V PoE
J22 Eth#2 lan2 lan2 KSZ9477 Port2
J23 Eth#3 lan3 lan3 KSZ9477 Port3
J23 Eth#4 lan4 lan4 KSZ9477 Port4
J24 Eth#5 lan5 lan5 KSZ9477 Port5
GW730x J20 Eth#0 eth0 eth0 IMX8MM FEC RGMII GPY111 802.3at class4 PoE
J21 Eth#1 eth1 eth1 / enp6s0 PCI LAN7430 or 88E8057 Passive 8-60V PoE
GW720x J17 eth0 eth0 IMX8MM FEC RGMII GPY111 802.3at class4 PoE
J17 eth1 eth1 / enp5s0 PCI LAN7430 or 88E8057 Passive 8-60V PoE
GW710x J16 Ethernet eth0 eth0 IMX8MM FEC RGMII GPY111 Passive 8-60V PoE
  • Port ordering above is from leftmost RJ45 on board when viewing the front-panel
  • If 'net.ifnames=0' kernel parameter is specified network interfaces on enumerated busses such as pci/usb are numbered sequentially (ie eth1 instead of enp6s0). See Predictable Interface Names for details
    • Bootloader variable example:
      u-boot=> print bootargs 
      bootargs=net.ifnames=0
      u-boot=> 
      
  • For boards like the GW740x which have a multi-port GbE switch, bandwidth is shared across the downstream ports
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