Realtek r8125 linux driver

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r8125 is the Linux device driver released for Realtek 2.5Gigabit Ethernet controllers with a PCI-Express interface

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tmacro/r8125

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README.md

Source code dump for easier access. This work is not my own.

Linux device driver for Realtek Ethernet controllers

This is the Linux device driver released for RealTek RTL8125 2.5Gigabit Ethernet controllers with PCI-Express interface.

- Kernel source tree (supported Linux kernel 2.6.x and 2.4.x) - For linux kernel 2.4.x, this driver supports 2.4.20 and latter. - Compiler/binutils for kernel compilation 

Quick install with proper kernel settings

Unpack the tarball : # tar vjxf r8125-8.aaa.bb.tar.bz2 Change to the directory: # cd r8125-8.aaa.bb If you are running the target kernel, then you should be able to do : # ./autorun.sh (as root or with sudo) You can check whether the driver is loaded by using following commands. # lsmod | grep r8125 # ifconfig -a If there is a device name, ethX, shown on the monitor, the linux driver is loaded. Then, you can use the following command to activate the ethX. # ifconfig ethX up ,where X=0,1,2. 

Set the network related information

1. Set manually a. Set the IP address of your machine. # ifconfig ethX "the IP address of your machine" b. Set the IP address of DNS. Insert the following configuration in /etc/resolv.conf. nameserver "the IP address of DNS" c. Set the IP address of gateway. # route add default gw "the IP address of gateway" 2. Set by doing configurations in /etc/sysconfig/network-scripts /ifcfg-ethX for Redhat and Fedora, or /etc/sysconfig/network /ifcfg-ethX for SuSE. There are two examples to set network configurations. a. Fixed IP address: DEVICE=eth0 BOOTPROTO=static ONBOOT=yes TYPE=ethernet NETMASK=255.255.255.0 IPADDR=192.168.1.1 GATEWAY=192.168.1.254 BROADCAST=192.168.1.255 b. DHCP: DEVICE=eth0 BOOTPROTO=dhcp ONBOOT=yes 

There are two ways to modify the MAC address of the NIC. 1. Use ifconfig: # ifconfig ethX hw ether YY:YY:YY:YY:YY:YY ,where X is the device number assigned by Linux kernel, and YY:YY:YY:YY:YY:YY is the MAC address assigned by the user. 2. Use ip: # ip link set ethX address YY:YY:YY:YY:YY:YY ,where X is the device number assigned by Linux kernel, and YY:YY:YY:YY:YY:YY is the MAC address assigned by the user. 

1. Force the link status when insert the driver. If the user is in the path ~/r8125, the link status can be forced to one of the 5 modes as following command. # insmod ./src/r8125.ko speed=SPEED_MODE duplex=DUPLEX_MODE autoneg=NWAY_OPTION ,where SPEED_MODE = 1000 for 1000Mbps = 100 for 100Mbps = 10 for 10Mbps DUPLEX_MODE = 0 for half-duplex = 1 for full-duplex NWAY_OPTION = 0 for auto-negotiation off (true force) = 1 for auto-negotiation on (nway force) For example: # insmod ./src/r8125.ko speed=100 duplex=0 autoneg=1 will force PHY to operate in 100Mpbs Half-duplex(nway force). 2. Force the link status by using ethtool. a. Insert the driver first. b. Make sure that ethtool exists in /sbin. c. Force the link status as the following command. # ethtool -s ethX speed SPEED_MODE duplex DUPLEX_MODE autoneg NWAY_OPTION ,where SPEED_MODE = 1000 for 1000Mbps = 100 for 100Mbps = 10 for 10Mbps DUPLEX_MODE = half for half-duplex = full for full-duplex NWAY_OPTION = off for auto-negotiation off (true force) = on for auto-negotiation on (nway force) For example: # ethtool -s eth0 speed 100 duplex full autoneg on will force PHY to operate in 100Mpbs Full-duplex(nway force). 

Transmitting Jumbo Frames, whose packet size is bigger than 1500 bytes, please change mtu by the following command. # ifconfig ethX mtu MTU , where X=0,1,2. and MTU is configured by user. RTL8125 supports Jumbo Frame size up to 9 kBytes. 

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r8125 is the Linux device driver released for Realtek 2.5Gigabit Ethernet controllers with a PCI-Express interface

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Cant get RTL8125 Realtek driver working on version 20.04

I have installed Ubuntu 20.04 on a new PC and originally managed to get the RTL8125 NIC driver working by installing the Realtek driver. However after an update it has stopped working and I am unable to get it working again. The output of sudo lshw -C network is: *-network UNCLAIMED

 description: Ethernet controller product: RTL8125 2.5GbE Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:06:00.0 version: 05 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list configuration: latency=0 resources: ioport:f000(size=256) memory:fcd00000-fcd0ffff memory:fcd10000-fcd13fff 

06:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8125 2.5GbE Controller [10ec:8125] (rev 05) DeviceName: RTL8111E Giga LAN Subsystem: Gigabyte Technology Co., Ltd RTL8125 2.5GbE Controller [1458:e000] Kernel modules: r8169 

I have downloaded the driver from the realtek website at https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software and followed the instructions in the README file. However when I run the command sudo ./autorun.sh I get the error:

Check old driver and unload it. Build the module and install make[3]: *** No rule to make target 'information'. Stop. make[2]: *** [Makefile:340: __build_one_by_one] Error 2 make[1]: *** [Makefile:167: clean] Error 2 make: *** [Makefile:48: clean] Error 2 

I am fairly new to Linux so I don’t understand what this error means, so any help would be much appreciated

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TallGuy74/r8125

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README

 This is the Linux device driver released for RealTek RTL8125 2.5Gigabit Ethernet controllers with PCI-Express interface. - Kernel source tree (supported Linux kernel 2.6.x and 2.4.x) - For linux kernel 2.4.x, this driver supports 2.4.20 and latter. - Compiler/binutils for kernel compilation Unpack the tarball : # tar vjxf r8125-8.aaa.bb.tar.bz2 Change to the directory: # cd r8125-8.aaa.bb If you are running the target kernel, then you should be able to do : # ./autorun.sh (as root or with sudo) You can check whether the driver is loaded by using following commands. # lsmod | grep r8125 # ifconfig -a If there is a device name, ethX, shown on the monitor, the linux driver is loaded. Then, you can use the following command to activate the ethX. # ifconfig ethX up ,where X=0,1,2. 1. Set manually a. Set the IP address of your machine. # ifconfig ethX "the IP address of your machine" b. Set the IP address of DNS. Insert the following configuration in /etc/resolv.conf. nameserver "the IP address of DNS" c. Set the IP address of gateway. # route add default gw "the IP address of gateway" 2. Set by doing configurations in /etc/sysconfig/network-scripts /ifcfg-ethX for Redhat and Fedora, or /etc/sysconfig/network /ifcfg-ethX for SuSE. There are two examples to set network configurations. a. Fixed IP address: DEVICE=eth0 BOOTPROTO=static ONBOOT=yes TYPE=ethernet NETMASK=255.255.255.0 IPADDR=192.168.1.1 GATEWAY=192.168.1.254 BROADCAST=192.168.1.255 b. DHCP: DEVICE=eth0 BOOTPROTO=dhcp ONBOOT=yes There are two ways to modify the MAC address of the NIC. 1. Use ifconfig: # ifconfig ethX hw ether YY:YY:YY:YY:YY:YY ,where X is the device number assigned by Linux kernel, and YY:YY:YY:YY:YY:YY is the MAC address assigned by the user. 2. Use ip: # ip link set ethX address YY:YY:YY:YY:YY:YY ,where X is the device number assigned by Linux kernel, and YY:YY:YY:YY:YY:YY is the MAC address assigned by the user. 1. Force the link status when insert the driver. If the user is in the path ~/r8125, the link status can be forced to one of the 5 modes as following command. # insmod ./src/r8125.ko speed=SPEED_MODE duplex=DUPLEX_MODE autoneg=NWAY_OPTION ,where SPEED_MODE = 1000 for 1000Mbps = 100 for 100Mbps = 10 for 10Mbps DUPLEX_MODE = 0 for half-duplex = 1 for full-duplex NWAY_OPTION = 0 for auto-negotiation off (true force) = 1 for auto-negotiation on (nway force) For example: # insmod ./src/r8125.ko speed=100 duplex=0 autoneg=1 will force PHY to operate in 100Mpbs Half-duplex(nway force). 2. Force the link status by using ethtool. a. Insert the driver first. b. Make sure that ethtool exists in /sbin. c. Force the link status as the following command. # ethtool -s ethX speed SPEED_MODE duplex DUPLEX_MODE autoneg NWAY_OPTION ,where SPEED_MODE = 1000 for 1000Mbps = 100 for 100Mbps = 10 for 10Mbps DUPLEX_MODE = half for half-duplex = full for full-duplex NWAY_OPTION = off for auto-negotiation off (true force) = on for auto-negotiation on (nway force) For example: # ethtool -s eth0 speed 100 duplex full autoneg on will force PHY to operate in 100Mpbs Full-duplex(nway force). Transmitting Jumbo Frames, whose packet size is bigger than 1500 bytes, please change mtu by the following command. # ifconfig ethX mtu MTU , where X=0,1,2. and MTU is configured by user. RTL8125 supports Jumbo Frame size up to 9 kBytes.

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