1.\" Copyright (c) 1997, 1998, 1999, 2000 2.\" Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by Bill Paul. 15.\" 4. Neither the name of the author nor the names of any co-contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29.\" THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.\" $FreeBSD: head/share/man/man4/kue.4 267938 2014-06-26 21:46:14Z bapt $ 32.\" 33.Dd May 27, 2021 34.Dt KUE 4 35.Os 36.Sh NAME 37.Nm kue 38.Nd "Kawasaki LSI KL5KUSB101B USB Ethernet driver" 39.Sh SYNOPSIS 40To compile this driver into the kernel, 41place the following lines in your 42kernel configuration file: 43.Bd -ragged -offset indent 44.Cd "device uhci" 45.Cd "device ohci" 46.Cd "device usb" 47.Cd "device uether" 48.Cd "device kue" 49.Ed 50.Pp 51Alternatively, to load the driver as a 52module at boot time, place the following line in 53.Xr loader.conf 5 : 54.Bd -literal -offset indent 55if_kue_load="YES" 56.Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver provides support for USB Ethernet adapters based on the Kawasaki 61LSI KL5KLUSB101B chipset. 62.Pp 63The KL5KLUSB101B supports a 128-entry multicast filter, single perfect 64filter entry for the station address and promiscuous mode. 65Packets are 66received and transmitted over separate USB bulk transfer endpoints. 67.Pp 68The Kawasaki chipset supports only 10Mbps half-duplex mode, hence there 69are no 70.Xr ifmedia 4 71modes to select. 72.Pp 73For more information on configuring this device, see 74.Xr ifconfig 8 . 75.Sh HARDWARE 76The 77.Nm 78driver supports Kawasaki LSI KL5KLUSB101B based USB Ethernet 79adapters including: 80.Pp 81.Bl -bullet -compact 82.It 833Com 3c19250 84.It 853Com 3c460 HomeConnect Ethernet USB Adapter 86.It 87ADS Technologies USB-10BT 88.It 89AOX USB101 90.It 91ATen UC10T 92.It 93Abocom URE 450 94.It 95Corega USB-T 96.It 97D-Link DSB-650C 98.It 99Entrega NET-USB-E45, NET-HUB-3U1E 100.It 101I/O Data USB ETT 102.It 103Kawasaki DU-H3E 104.It 105LinkSys USB10T 106.It 107Netgear EA101 108.It 109Peracom USB Ethernet Adapter 110.It 111Psion Gold Port USB Ethernet adapter 112.It 113SMC 2102USB, 2104USB 114.El 115.Sh DIAGNOSTICS 116.Bl -diag 117.It "kue%d: watchdog timeout" 118A packet was queued for transmission and a transmit command was 119issued, however the device failed to acknowledge the transmission 120before a timeout expired. 121.It "kue%d: no memory for rx list" 122The driver failed to allocate an mbuf for the receiver ring. 123.El 124.Sh SEE ALSO 125.Xr arp 4 , 126.Xr ifmedia 4 , 127.Xr netintro 4 , 128.Xr ng_ether 4 , 129.Xr usb 4 , 130.Xr ifconfig 8 131.Sh HISTORY 132The 133.Nm 134device driver first appeared in 135.Fx 4.0 . 136.Sh AUTHORS 137The 138.Nm 139driver was written by 140.An Bill Paul Aq Mt wpaul@ee.columbia.edu . 141.Sh BUGS 142The 143.Nm 144driver does not accumulate Ethernet collisions statistics because the 145Kawasaki firmware does not appear to maintain any internal statistics. 146