1.\" 2.\" Copyright (c) 2008 AnyWi Technologies 3.\" All rights reserved. 4.\" 5.\" This code is derived from uark.c 6.\" 7.\" Permission to use, copy, modify, and distribute this software for any 8.\" purpose with or without fee is hereby granted, provided that the above 9.\" copyright notice and this permission notice appear in all copies. 10.\" 11.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18.\" 19.\" $FreeBSD$ 20.\" 21.Dd April 26, 2017 22.Dt U3G 4 23.Os 24.Sh NAME 25.Nm u3g 26.Nd USB support for 3G datacards 27.Sh SYNOPSIS 28To compile this driver into the kernel, 29place the following lines in your 30kernel configuration file: 31.Bd -ragged -offset indent 32.Cd "device usb" 33.Cd "device ucom" 34.Cd "device u3g" 35.Ed 36.Pp 37Alternatively, to load the driver as a 38module at boot time, place the following line in 39.Xr loader.conf 5 : 40.Bd -literal -offset indent 41u3g_load="YES" 42.Ed 43.Pp 44If neither of the above is done, the driver will automatically be loaded 45by devd(8) when the device is connected. 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for the multiple USB-to-serial interfaces exposed by 50many 3G USB/PCCard modems. 51.Pp 52The device is accessed through the 53.Xr ucom 4 54driver which makes it behave like a 55.Xr tty 4 . 56.Sh HARDWARE 57The 58.Nm 59driver supports the following adapters: 60.Pp 61.Bl -bullet -compact 62.It 63Option GT 3G Fusion, GT Fusion Quad, etc. (only 3G part, not WLAN) 64.It 65Option GT 3G, GT 3G Quad, etc. 66.It 67Vodafone Mobile Connect Card 3G 68.It 69Vodafone Mobile Broadband K3772-Z 70.It 71Qualcomm Inc. CDMA MSM 72.It 73Huawei B190, E180v, E220 ('<Huawei Mobile>') 74.It 75Novatel U740, MC950D, X950D, etc. 76.It 77Sierra MC875U, MC8775U, etc. 78.El 79.Pp 80(See 81.Pa /sys/dev/usb/serial/u3g.c 82for the complete list of supported cards for each vendor 83mentioned above.) 84.Pp 85The supported 3G cards provide the necessary modem port for ppp, or mpd 86connections as well as extra ports (depending on the specific device) to 87provide other functions (additional command port, diagnostic port, SIM toolkit 88port). 89.Pp 90In some of these devices a mass storage device supported by the 91.Xr umass 4 92driver is present which contains Windows and Mac OS X drivers. 93The device starts up in disk mode (TruInstall, ZeroCD, etc.) and requires 94additional commands to switch it to modem mode. 95If your device is not switching automatically, please try to add quirks. 96See 97.Xr usbconfig 8 98and 99.Xr usb_quirk 4 . 100.Sh FILES 101.Bl -tag -width "/dev/ttyU*.*.init" -compact 102.It Pa /dev/ttyU*.* 103for callin ports 104.It Pa /dev/ttyU*.*.init 105.It Pa /dev/ttyU*.*.lock 106corresponding callin initial-state and lock-state devices 107.Pp 108.It Pa /dev/cuaU*.* 109for callout ports 110.It Pa /dev/cuaU*.*.init 111.It Pa /dev/cuaU*.*.lock 112corresponding callout initial-state and lock-state devices 113.El 114.Sh SEE ALSO 115.Xr tty 4 , 116.Xr ucom 4 , 117.Xr usb 4 , 118.Xr usb_quirk 4 , 119.Xr devd 8 , 120.Xr usbconfig 8 121.Sh HISTORY 122The 123.Nm 124driver appeared in 125.Fx 7.2 , 126is based on the 127.Xr uark 4 128driver, and written by 129.An Andrea Guzzo Aq Mt aguzzo@anywi.com 130in September 2008. 131.Sh AUTHORS 132.An -nosplit 133The 134.Nm 135driver was written by 136.An Andrea Guzzo Aq Mt aguzzo@anywi.com 137and 138.An Nick Hibma Aq Mt n_hibma@FreeBSD.org . 139Hardware for testing was provided by AnyWi Technologies, Leiden, NL. 140.Sh BUGS 141The automatic mode switch from disk mode to modem mode does not work unless 142the driver is either built into the kernel or loaded before the device is 143connected. 144