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> .\" Copyright (c) 2003 Roman Kurakin <rik@cronyx.ru>
> .\" Copyright (c) 2003 Cronyx Engineering
> .\" All rights reserved.
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< .\" $FreeBSD: head/share/man/man4/man4.i386/cx.4 115143 2003-05-18 21:05:22Z ru $
---
> .\" This software is distributed with NO WARRANTIES, not even the implied
> .\" warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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< .Dd December 12, 1994
< .Dt CX 4 i386
---
> .\" Authors grant any other persons or organisations a permission to use,
> .\" modify and redistribute this software in source and binary forms,
> .\" as long as this message is kept with the software, all derivative
> .\" works or modified versions.
> .\"
> .\" Cronyx Id: cp.4,v 1.1.2.2 2003/09/11 14:56:50 rik Exp $
> .\" $FreeBSD: head/share/man/man4/man4.i386/cx.4 123159 2003-12-05 07:03:58Z imp $
> .\"
> .Dd November 27, 2003
> .Dt Cronyx-Sigma 4
9c21
< .Nd asynchronous/synchronous Cronyx-Sigma adapter driver
---
> .Nd driver for synchronous/asynchronous Cronyx-Sigma WAN adapters
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< .Cd "device cx 1"
< .Cd device sppp
---
> .Cd "device cx"
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> Additional options:
> .Cd "device sppp"
> .Cd "options NETGRAPH"
> .Cd "options NETGRAPH_CRONYX"
> .Pp
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> .Sh DESCRIPTION
> The
> .Nm
> driver needs either
> .Xr sppp 4
> or
> .Xr netgraph 4 .
> Which one to use is determined by NETGRAPH_CRONYX option.
> If this option is present in your kernel configuration file, the
> .Nm
> driver will be compiled with
> .Xr netgraph 4
> support, else driver will be compiled with
> .Xr sppp 4
> support.
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< by software at adapter initialization. Legal values are:
---
> by software at adapter initialization.
> Legal values are:
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< .Bl -tag -compact -width Port
< .It Port
---
> .Bl -tag -compact -width Port:
> .It Port :
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< .It IRQ
---
> .It IRQ :
32c64
< .It DMA
---
> .It DMA :
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< .Sh DESCRIPTION
< The Cronyx-Sigma driver supports the adapters of models 100,
< 400, 500, 401, 404, 410, 440, 703, 801, 810, 840. Different models have
< different set of channels:
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< .Bl -tag -compact -width Cronyx-Sigma-999
< .It Model
< Channels
< .It Cronyx-Sigma-100
< 0
< .It Cronyx-Sigma-400
< 4, 5, 6, 7
< .It Cronyx-Sigma-500
< 0, 4, 5, 6, 7
< .It Cronyx-Sigma-401
< 0, 1, 2, 3
< .It Cronyx-Sigma-404
< 0, 1, 2, 3
< .It Cronyx-Sigma-410
< 0, 1, 2, 3
< .It Cronyx-Sigma-440
< 0, 1, 2, 3
< .It Cronyx-Sigma-703
< 0, 1, 2, 4, 5, 6, 7
< .It Cronyx-Sigma-801
< 0, 1, 2, 3, 4, 5, 6, 7
< .It Cronyx-Sigma-810
< 0, 1, 2, 3, 4, 5, 6, 7
< .It Cronyx-Sigma-840
< 0, 1, 2, 3, 4, 5, 6, 7
< .El
< .Pp
< A pair of two adapters can be united together by the special
< short inter-board cable. Two united adapters use the same
< IRQ and DMA channels and from the point of driver works
< as the single 16-channel multiplexer. One of the united
< boards is ``master'' and the other is ``slave''.
< .Pp
< The channels of the slave united board are numbered by the driver
< beginning with 8, for example, the united adapter of the model 100/500
< has channels 0, 8, 12, 13, 14, 15.
< .Pp
< The channels which have the RS-232 interface can be used
< both in synchronous and asynchronous modes (software selectable
< by cxconfig utility) and hence are called ``universal'' channels.
< .Sh "Asynchronous driver"
< The asynchronous channel device files have the names:
< .Pa /dev/ttyx#
< - for adapter cx0,
< .Pa /dev/ttyy#
< - for adapter cx1,
< .Pa /dev/ttyz#
< - for cx2.
< Here # is the channel number in hexadecimal form, 0-9-a-f.
< .Pp
< The driver fulfills the following standard ioctl requests (see
< .Xr ioctl 2 ) :
< .Pp
< .Bl -tag -width TIOCXXXXX -compact
< .It Dv TIOCSBRK
< Start sending BREAK.
< .It Dv TIOCCBRK
< Stop sending BREAK.
< .It Dv TIOCSDTR
< Set DTR signal (DTR := 1). The DTR signal is always set
< on the first
< .Xr open 2
< and could be changed by
< .Dv TIOCCDTR ,
< .Dv TIOCSDTR ,
< .Dv TIOCMSET ,
< .Dv TIOCMBIS ,
< .Dv TIOCMBIC
< ioctl calls.
< .It TIOCCDTR
< Clear DTR signal (DTR := 0).
< .It TIOCMSET
< Set the given values of DTR and RTS signals (<DTR:RTS> := data).
< The signals DTR and RTS are controlled by
< .Dv TIOCM_DTR
< and
< .Dv TIOCM_RTS
< bits of the data argument of the ioctl system call.
< .It TIOCMBIS
< Set DTR and RTS signals (<DTR:RTS> |= data).
< The signals DTR and RTS are controlled by
< .Dv TIOCM_DTR
< and
< .Dv TIOCM_RTS
< bits of the data argument of the ioctl system call.
< .It TIOCMBIC
< Clear DTR and RTS signals (<DTR:RTS> &= ~data).
< The signals DTR and RTS are controlled by
< .Dv TIOCM_DTR
< and
< .Dv TIOCM_RTS
< bits of the data argument of the ioctl system call.
< .It TIOCMGET
< Determine the state of the modem signals of the line.
< After the call the data argument contains the following bits:
< .Pp
< .Bl -tag -width TIOCM_XXX -compact
< .It TIOCM_LE
< always set (Line Enabled)
< .It TIOCM_DSR
< Data Set Ready signal received
< .It TIOCM_CTS
< Clear To Send signal received
< .It TIOCM_CD
< Data Carrier Detect signal received
< .It TIOCM_DTR
< Data Terminal Ready signal transmitted
< .It TIOCM_RTS
< Request To Send signal transmitted
< .El
< .El
< .Sh "Synchronous driver"
< The synchronous channels and universal channels, turned to the synchronous
< mode by the
< .Xr cxconfig 8
< utility, are accessible as network
< interfaces named ``cx#'' where # is the channel number, 0..47.
< All standard network interface parameters could be set by
< .Xr ifconfig 8
< utility.
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< .Xr cxconfig 8
< command is used to change some extended channel
< options, and also for setting the high-level software protocol
< (e.g. PpP or Cisco HDLC).
---
> .Nm
> driver supports autodetection.
> As for all non-PNP hardware using of
> autodetection could lead to some potential problems with other devices during
> detection of hardware.
> It is alway better to specify hardware resources manualy.
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< The universal channels could be used both in asynchronous and synchronous modes.
< By default the asynchronous mode is set.
< The mode could be changed by
< .Xr cxconfig 8
< utility.
< The mode is blocked while the channel is busy (an asynchronous channel
< in open state or the network interface is up).
< .Sh "Synchronous Point-to-Point protocol"
< The Cronyx-Sigma driver uses the built-in implementation of the synchronous
< Point-to-Point protocol (sppp). It includes the support for such
< protocols as PpP/HDLC and Cisco/HDLC, and also the automatic
< connection loss test (via keepalive packets).
< The sppp protocol set is implemented as an independent module
< and could be used by other drivers of synchronous serial channels.
< The version of the driver for BSD/386 (BSDI) operating system
< also supports the usage of the general set of synchronous
< protocols, implemented inside the OS.
< The external protocol set could be selected by ``cxconfig ext'' command
< (see
< .Xr cxconfig 8 ) .
< .Sh "Channel Options Management"
< The
< .Xr cxconfig 8
< utility is used for setting the channels options.
< The channel options are generally set at the start of the operating
< system (for example, from the file
< .Pa /etc/rc ) .
< Note, that not all options have a sense for every particular
< case, and an attempt to set some of them can hang up the channel or
< the whole adapter.
< .Pp
< The actual channel options control functions are implemented via
< the ioctl-s on the special device file /dev/cronyx.
< There are the following ioctl-s available:
< .Pp
< .Bl -tag -width CXIOCXXXXXXX -compact
< .It CXIOCGETMODE
< Get the channel option values.
< .It CXIOCSETMODE
< Set the channel option values.
< .El
< .Pp
< The data argument of the ioctl call has an address of the options structure:
< .Bd -literal
< typedef struct {
< unsigned char board; /* adapter number, 0..2 */
< unsigned char channel; /* channel number, 0..15 */
< unsigned char type; /* channel type (read only) */
< unsigned char iftype; /* chan0 interface */
< unsigned long rxbaud; /* receiver speed */
< unsigned long txbaud; /* transmitter speed */
< cx_chan_mode_t mode; /* channel mode */
< cx_chan_opt_t opt; /* common channel options */
< cx_opt_async_t aopt; /* async mode options */
< cx_opt_hdlc_t hopt; /* hdlc mode options */
< cx_opt_bisync_t bopt; /* bisync mode options */
< cx_opt_x21_t xopt; /* x.21 mode options */
< cx_soft_opt_t sopt; /* software options and state flags */
< } cx_options_t; /* user settable options */
< .Ed
< .Pp
< .Bl -tag -width rxbaudxxx
< .It Fa board
< The adapter number, 0..2.
< .It Fa channel
< The channel number, 0..15.
< .It Fa type
< The type of the channel (read-only argument).
< .It Fa iftype
< The interface type of the zero (and also the eight) channel: 0 - RS-232,
< 1 - RS-449/V.35.
< .It Fa rxbaud
< The receiver data baud rate.
< .It Fa txbaud
< The transmitter data baud rate.
< .It Fa mode
< The channel mode: asynchronous/HDLC/Bisync/X.21.
< .It Fa opt
< The general channel options.
< .It Fa aopt
< The asynchronous mode options.
< .It Fa hopt
< The HDLC mode options.
< .It Fa bopt
< The Bisync mode options.
< .It Fa xopt
< The X.21 mode options.
< .It Fa sopt
< The software protocol options.
< .El
< .Sh FILES
< .Bl -tag -width /dev/cxXXXX -compact
< .It Pa /dev/cx??
< Asynchronous channels.
< .It Pa /dev/cronyx
< The special device file for the channel options management.
< .El
< .Pp
< The sources for the driver reside in:
< .Pp
< .Bl -tag -width /dev/cxXXXX -compact
< .It Pa /sys/i386/isa/cronyx.c
< .It Pa /sys/i386/isa/cx.c
< .It Pa /sys/i386/isa/if_cx.c
< .It Pa /sys/i386/isa/cronyx.h
< .It Pa /sys/i386/isa/cxreg.h
< .It Pa /sys/net/if_spppsubr.c
< .It Pa /sys/net/if_sppp.h
< .El
---
> Refere to
> .Xr sconfig 8
> for information about the
> .Nm
> adapter configuration.
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< .Xr cxconfig 8 ,
< .Xr ifconfig 8
---
> .Xr cx 4 ,
> .Xr sppp 4 ,
> .Xr ifconfig 8 ,
> .Xr sconfig 8 ,
> .Xr spppcontrol 8
> .Sh HISTORY
> The
> .Nm
> driver was updated in
> .Fx 5.2 .
> In most of previous versions of
> .Fx
> the
> .Nm
> driver is out of date.
> The
> .Nm
> driver for previous versions of
> .Fx
> is available from
> .Pa http://www.cronyx.ru/ .