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 November 26, 2013 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. If your device is not 95switching automatically, please try to add quirks. See 96.Xr usbconfig 8 97and 98.Xr usb_quirk 4 . 99.Sh SEE ALSO 100.Xr tty 4 , 101.Xr ucom 4 , 102.Xr usb 4 , 103.Xr usb_quirk 4 , 104.Xr devd 8 , 105.Xr usbconfig 8 106.Sh HISTORY 107The 108.Nm 109driver appeared in 110.Fx 7.2 , 111is based on the 112.Xr uark 4 113driver, and written by 114.An Andrea Guzzo Aq Mt aguzzo@anywi.com 115in September 2008. 116.Sh AUTHORS 117.An -nosplit 118The 119.Nm 120driver was written by 121.An Andrea Guzzo Aq Mt aguzzo@anywi.com 122and 123.An Nick Hibma Aq Mt n_hibma@FreeBSD.org . 124Hardware for testing was provided by AnyWi Technologies, Leiden, NL. 125.Sh BUGS 126The automatic mode switch from disk mode to modem mode does not work unless 127the driver is either built into the kernel or loaded before the device is 128connected. 129