126 lines
3.2 KiB
Groff
126 lines
3.2 KiB
Groff
.\"
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.\" Copyright (c) 2008 AnyWi Technologies
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.\" All rights reserved.
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.\"
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.\" This code is derived from uark.c
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 7, 2008
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.Dt U3G 4
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.Os
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.Sh NAME
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.Nm u3g
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.Nd USB support for 3G datacards
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device u3g"
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.Cd "device ucom"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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u3g_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the multiple USB-to-serial interfaces exposed by
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many 3G USB/PCCard modems.
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.Pp
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The device is accessed through the
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.Xr ucom 4
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driver which makes it behave like a
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.Xr tty 4 .
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.Sh HARDWARE
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The
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.Nm
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driver supports the following adapters:
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.Pp
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.Bl -bullet -compact
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.It
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Option GT 3G Fusion, GT Fusion Quad, etc. (only 3G part, not WLAN)
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.It
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Option GT 3G, GT 3G Quad, etc.
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.It
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Vodafone Mobile Connect Card 3G
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.It
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Qualcomm Inc. CDMA MSM
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.It
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Huawei B190, E220 ('<Huawei Mobile>')
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.It
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Novatal U740, MC950D, X950D, etc.
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.It
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Sierra MC875U, MC8775U, etc.
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.El
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.Pp
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(See
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.Pa /sys/dev/u3g.c
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for the complete list of supported cards for each vendor
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mentioned above.)
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.Pp
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The supported 3G cards provide the necessary modem port for ppp, pppd, or mpd
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connections as well as extra ports (depending on the specific device) to
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provide other functions (additional command port, diagnostic port, SIM toolkit
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port).
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.Pp
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In some of these devices a mass storage device supported by the
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.Xr umass 4
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driver is present which contains Windows and Mac OS X drivers.
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The device starts up in disk mode (TruInstall, ZeroCD, etc.) and requires
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additional commands to switch it to modem mode.
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.Pp
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The
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.Xr u3gstub 4
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device will attach temporarily to a 3G device with a mass storage device and
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force it to switch to modem mode,
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The attach and detach of
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.Xr u3gstub
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and any driver disk device present on the 3G device is is hidden, unless the
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machine was booted in verbose mode (see
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.Xr boot 8 ) .
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To temporarily unhide the device, set
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.Va debug.bootverbose
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to 1 using
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.Xr sysctl 8
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and replug the device.
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.Sh SEE ALSO
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.Xr tty 4 ,
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.Xr ucom 4 ,
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.Xr usb 4
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Fx 8.0 ,
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is based on the
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.Xr uark 4
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driver, and written by
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.An Andrea Guzzo Aq aguzzo@anywi.com
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in September 2008.
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Andrea Guzzo Aq aguzzo@anywi.com
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and
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.An Nick Hibma Aq n_hibma@freebsd.org .
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Hardware for testing was provided by AnyWi Technologies, Leiden, NL.
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