URE(4) FreeBSD Kernel Interfaces Manual URE(4)
NAME
ure - Realtek RTL8152/RTL8153/RTL8156 USB Ethernet driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device uhci
device ohci
device usb
device miibus
device uether
device ure
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
if_ure_load="YES"
DESCRIPTION
The ure driver supports the Realtek USB Ethernet Controller family.
The ure driver supports the following media types:
autoselect Enable auto selection of the media type and options. The
user can manually override the auto selected mode by adding
media options to the /etc/rc.conf file.
10baseT/UTP Set 10Mbps operation. The mediaopt option can also be used
to select either full-duplex or half-duplex modes.
100baseTX Set 100Mbps (Fast Ethernet) operation. The mediaopt option
can also be used to select either full-duplex or half-duplex
modes.
1000baseTX Set 1000baseTX (Gigabit Ethernet) operation over twisted
pair. The Realtek gigE chips support 1000Mbps in
full-duplex mode only.
2500base-T Set 2500Base-T operation over twisted pair. The Realtek
8156/8156B chips support 2500Mbps in full-duplex mode only.
The ure driver supports the following media options for 10/100 operation:
full-duplex Force full-duplex operation.
half-duplex Force half-duplex operation.
For more information on configuring this device, see ifconfig(8).
HARDWARE
The ure driver supports the following USB Ethernet controllers:
Model: Speed (Mbps):
Realtek RTL8156/RTL8156B/RTL8156BG 10, 100, 1000, and 2500
Realtek RTL8153/RTL8153B 10, 100, and 1000
Realtek RTL8152 10 and 100
Realtek RTL8168/8169/8110/8211 via rgephy(4) 10, 100, and 1000
DIAGNOSTICS
ure%d: watchdog timeout A packet was queued for transmission and a
transmit command was issued, however the device failed to acknowledge the
transmission before a timeout expired.
SEE ALSO
arp(4), miibus(4), netintro(4), ng_ether(4), ifconfig(8)
AUTHORS
The ure driver was written by Kevin Lo <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 April 8, 2025 FreeBSD 14.1-RELEASE-p8