1.\" Copyright (c) 1997, 1998, 1999, 2000-2003 2.\" Bill Paul <wpaul@windriver.com>. 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: /repoman/r/ncvs/src/share/man/man4/axe.4,v 1.3 2003/05/29 21:28:35 ru Exp $ 32.\" $OpenBSD: mos.4,v 1.12 2022/02/18 10:24:32 jsg Exp $ 33.\" 34.Dd $Mdocdate: February 18 2022 $ 35.Dt MOS 4 36.Os 37.Sh NAME 38.Nm mos 39.Nd MosChip MCS7730/7830/7832 10/100 USB Ethernet device 40.Sh SYNOPSIS 41.Cd "mos* at uhub?" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for USB Ethernet adapters based on the MosChip 46MCS7730, MCS7830 and MCS7832 USB 2.0 chipsets, including the 47following: 48.Pp 49.Bl -tag -width Ds -offset indent -compact 50.It Delock 61147 51.It Sitecom LN-030 52.It Syba SY-U2LAN 53.El 54.Pp 55All adapters operate with either USB 1.x or USB 2.0 controllers, 56though performance with 1.x controllers is limited since 57the USB 1.x standard specifies a maximum transfer speed of 12Mbps. 58Users with USB 1.x controllers should therefore not expect to actually 59achieve 100Mbps speeds with these devices. 60.Pp 61A 64-bit multicast hash table is supported, 62single perfect filter entry for the station address, 63all-multicast mode, and promiscuous mode. 64Packets are 65received and transmitted over separate USB bulk transfer endpoints. 66.Pp 67The 68.Nm 69driver supports the following media types: 70.Bl -tag -width "autoselect" 71.It autoselect 72Enable autoselection of the media type and options (this is the default). 73The user can manually override the autoselected mode by adding media 74options to the appropriate 75.Xr hostname.if 5 76file. 77.It 10baseT 78Set 10Mbps operation. 79.It 100baseTX 80Set 100Mbps (Fast Ethernet) operation. 81.El 82.Pp 83The 84.Nm 85driver supports the following media options: 86.Bl -tag -width "full-duplex" 87.It full-duplex 88Force full-duplex operation. 89.It half-duplex 90Force half-duplex operation. 91.El 92.Pp 93For more information on configuring this device, see 94.Xr ifconfig 8 . 95.Sh DIAGNOSTICS 96.Bl -diag 97.It "mos0: watchdog timeout" 98A packet was queued for transmission and a transmit command was 99issued, however the device failed to acknowledge the transmission 100before a timeout expired. 101.It "mos0: no memory for rx list" 102The driver failed to allocate an mbuf for the receiver ring. 103.El 104.Sh SEE ALSO 105.Xr arp 4 , 106.Xr ifmedia 4 , 107.Xr intro 4 , 108.Xr netintro 4 , 109.Xr usb 4 , 110.Xr hostname.if 5 , 111.Xr ifconfig 8 112.Rs 113.%T "MosChip India" 114.%U https://moschip.com 115.Re 116.Sh HISTORY 117The 118.Nm 119device driver first appeared in 120.Ox 4.5 . 121.Sh AUTHORS 122.An -nosplit 123The 124.Nm 125driver was written by 126.An Johann Christian Rode Aq Mt jcrode@gmx.net . 127