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.\" $FreeBSD$ 32.\" 33.Dd July 24, 2019 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 miibus" 48.Cd "device uether" 49.Cd "device kue" 50.Ed 51.Pp 52Alternatively, to load the driver as a 53module at boot time, place the following line in 54.Xr loader.conf 5 : 55.Bd -literal -offset indent 56if_kue_load="YES" 57.Ed 58.Sh DESCRIPTION 59The 60.Nm 61driver provides support for USB Ethernet adapters based on the Kawasaki 62LSI KL5KLUSB101B chipset. 63.Pp 64The KL5KLUSB101B supports a 128-entry multicast filter, single perfect 65filter entry for the station address and promiscuous mode. 66Packets are 67received and transmitted over separate USB bulk transfer endpoints. 68.Pp 69The Kawasaki chipset supports only 10Mbps half-duplex mode, hence there 70are no 71.Fn ifmedia 72modes to select. 73.Pp 74For more information on configuring this device, see 75.Xr ifconfig 8 . 76.Sh HARDWARE 77The 78.Nm 79driver supports Kawasaki LSI KL5KLUSB101B based USB Ethernet 80adapters including: 81.Pp 82.Bl -bullet -compact 83.It 843Com 3c19250 85.It 863Com 3c460 HomeConnect Ethernet USB Adapter 87.It 88ADS Technologies USB-10BT 89.It 90AOX USB101 91.It 92ATen UC10T 93.It 94Abocom URE 450 95.It 96Corega USB-T 97.It 98D-Link DSB-650C 99.It 100Entrega NET-USB-E45, NET-HUB-3U1E 101.It 102I/O Data USB ETT 103.It 104Kawasaki DU-H3E 105.It 106LinkSys USB10T 107.It 108Netgear EA101 109.It 110Peracom USB Ethernet Adapter 111.It 112Psion Gold Port USB Ethernet adapter 113.It 114SMC 2102USB, 2104USB 115.El 116.Sh DIAGNOSTICS 117.Bl -diag 118.It "kue%d: watchdog timeout" 119A packet was queued for transmission and a transmit command was 120issued, however the device failed to acknowledge the transmission 121before a timeout expired. 122.It "kue%d: no memory for rx list" 123The driver failed to allocate an mbuf for the receiver ring. 124.El 125.Sh SEE ALSO 126.Xr arp 4 , 127.Xr netintro 4 , 128.Xr ng_ether 4 , 129.Xr ifconfig 8 130.Sh HISTORY 131The 132.Nm 133device driver first appeared in 134.Fx 4.0 . 135.Sh AUTHORS 136The 137.Nm 138driver was written by 139.An Bill Paul Aq Mt wpaul@ee.columbia.edu . 140.Sh BUGS 141The 142.Nm 143driver does not accumulate Ethernet collisions statistics because the 144Kawasaki firmware does not appear to maintain any internal statistics. 145