Man pages for span_types and span_assignments
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
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Tzafrir Cohen
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doc/span_assignments.8
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doc/span_assignments.8
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.TH "SPAN_ASSIGNMENTS" "8" "13 Oct 2013" "" ""
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.SH NAME
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span_assignments \- handle DAHDI spans registration
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.SH SYNOPSIS
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.B span_assignments [\-v|\-\-verbose] [\-n|\-\-dry\-run] <add|remove> \fIdevpath
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\fB[\fIdevpath \fB...]
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.B span_assignments [\-v|\-\-verbose] [\-n|\-\-dry\-run] auto
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.B span_assignments [\-v|\-\-verbose] list
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.B span_assignments [\-v|\-\-verbose] [\-k|\-\-key \fIkey\fB] dumpconfig
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.B span_assignments \-h|\-\-help
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.SH DESCRIPTION
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When the kernel module parameter \fBdahdi.auto_assign_span\fR is unset,
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DAHDI devices (such as DAHDI PCI cards) that register with DAHDI don't
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register their spans (e.g.: each digital port is normally a span) with
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DAHDI. This allows user-space to order DAHDI to register them to specific
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span and channel numbers. This allows registering different spans out of
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order.
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.B span_assignments
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is used to register those spans or to help creating the configuration
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file used in their registration:
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.B /etc/dahdi/pinned-spans.conf .
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.SH OPTIONS
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There are several sub-commands:
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.B add \fIdevpath \fB[\fIdevpath \fB...]
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.RS
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Parameters are paths (in SysFS) to DAHDI devices with unregistered
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spans. The command will register with DAHDI according to according to
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configuration in \fBpinned-spans.conf\fR.
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.RE
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.B remove \fIdevpath \fB[\fIdevpath \fB...]
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.RS
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Parameters are paths (in SysFS) to DAHDI devices with registered
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spans. The command will unregister with DAHDI.
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.RE
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.B auto
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.RS
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Register all non-registered spans. Each span registers to first
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available span number and channel numbers, as if
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\fBdahdi.auto_assign_span\fR was set.
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.RE
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.B list
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.RS
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List all spans in the system.
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.RE
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.B dumpconfig
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.RS
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List all registered spans in the system in a format fit to be used in
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\fBpinned-spans.conf\fR. Use this to generate a configuration file after
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you have (perhaps manually) registered all existing spans.
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.B dahdi_genconf pinnedspans
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uses this command internally.
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.RE
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.B \-v \-\-verbose
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.RS
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Verbose output.
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.RE
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.B \-n \-\-dry\-run
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.RS
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Don't register / unregister spans. Only print commands used to do so.
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.RE
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.B \-k \fIkey
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.RS
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For \fBdumpconfig\fR \- The key by which to identify the hardware in the
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generated configuration. Legal values:
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.B hwid
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.RS
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Hardware identifier (e.g.: software-readable serial number). This is the
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default. If the device has no hwid, devpath is used.
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.RE
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.B location
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.RS
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The location field (file) in the SysFS device node (directory) for the
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DAHDI device. If not available (typically: DAHDI version <= 2.7.x),
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devpath is used.
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.RE
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.B devpath
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.RS
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Path in SysFS to the device node.
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.RE
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.RE
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.SH CONFIGURATOIN
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.B pinned-spans.conf
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is a file with lines specifying registration of spans.
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Empty lines or lines beginning with '#' are ignored.
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Each line is in the format of:
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.I ID spanspec ...
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The \fIID\fR field specifies the DAHDI device and the \fIspanspecs\fR
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define how to register its spans. A line may have multiple
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\fIspanspecs\fR in a single line (though dumpconfig generates a
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configuration with one per line).
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.SS Span Identifier
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A DAHDI device may be specified either by a hardware identifier (a
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software readable serial number or whatever) or the location in which
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it is installed on the system. The former makes it simpler to change
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connector / slot whereas the latter makes it simpler to replace a unit.
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The value in this field is matched (when the commands \fBadd\fR and
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\fBremove\fR) are used) to the following values:
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\fIhwid\fR
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\fB@\fIlocation\fR
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\fIdevpath\fR
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See above for their descriptions. The value may include shell wildcards:
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*, ? and [], which are used in the match. The values to be matched are
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first cleaned up: '!' is replaced with '/' and any character beyond
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"a-zA-Z0-9/:.-" is removed.
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.SS Span Specification
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Each line should have one or more span specifications: this is the value
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used to register a span with DAHDI in the SysFS interface. A
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specification has three colon-separated numbers:
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.I rel_span_no:span_no:first_chan
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for instance, the following are four span specifications for a quad-E1
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device: 1:6:53 2:7:84 3:8:115 4:9:146 occupying spans 6-9 and channels
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53-176.
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.B rel_span_no
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.RS
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The relative number of the span in the device. E.g.: port number.
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.RE
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.B span_no
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.RS
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The desired DAHDI span number. Must be available.
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.RE
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.B first_chan
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.RS
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The desired DAHDI channel number for the first DAHDI channel in the span.
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All channels of the span will be registered following it and hence that
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space must be available.
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.RE
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.SH ENVIRONMENT
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.B DAHDICONFDIR
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.RS
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The directory in which pinned-spans.conf resides. /etc/dahdi if not
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overridden from the environment.
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.RE
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.B pinned_spans_conf
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.RS
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The path to pinned-spans.conf resides. /etc/dahdi/pinned-spans.conf if
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not overridden from the environment.
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.RE
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.B SPAN_ASSIGNMENTS_KEY
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.RS
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The default value for \-k . Defaults to "hwid" if not overridden from the
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environment.
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.RE
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.SH FILES
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.B /etc/dahdi/pinned-spans.conf
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.RS
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The default location for the configuration file.
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.RE
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.B /sys/bus/dahdi_devices/devices/\fIdevice\fR
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.RS
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SysFS node for the device. In this directory reside the following
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files, among others:
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.B location
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.RS
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The value of the device's location field.
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.RE
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.B assign_span, unassign_span, auto_assign
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.RS
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Write only files for the operations. Used by \fBadd\fR, \fBremove\fR and
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\fBauto\fR, respectively.
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.RE
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.RE
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.SH SEE ALSO
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span_types(8), dahdi_genconf(8), dahdi_cfg(8)
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.SH AUTHOR
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span_assignments was written by Oron Peled. This manual page was
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written by Tzafrir Cohen. Permission is granted to copy, distribute
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and/or modify this document under the terms of the GNU General Public
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License, Version 2 any later version published by the Free Software
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Foundation.
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146
doc/span_types.8
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146
doc/span_types.8
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@ -0,0 +1,146 @@
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.TH "SPAN_ASSIGNMENTS" "8" "13 Oct 2013" "" ""
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.SH NAME
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span_assignments \- set DAHDI spans properties before registration (E1/T1)
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.SH SYNOPSIS
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.B span_assignments <list|dumpconfig|set> [\fIdevpath \fB[\fIdevpath \fB...]]
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.SH DESCRIPTION
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The span type (E1/T1/J1) must be set to a span before registering it
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with DAHDI, as E1 spans use more channels. \fBspan_types\fR applies the
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span type configuration to an unregistered span.
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Using it only makes sense when the kernel module parameter
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\fBdahdi.auto_assign_span\fR is unset, otherwise the DAHDI spans register
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automatically.
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.SH OPTIONS
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.B span_types
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takes a command and an optional list of devices. If no device is given,
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the command is applied to all devices.
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The device is marked as a path in the SysFS tree.
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.B set
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.RS
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Reads settings from \fBspan-types.conf\fR and applies them to the
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device(s) specified in the command line (or all devices, if none
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specified).
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.RE
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.B list
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.RS
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List types for all spans in the system which may be set with span_types
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(E1/T1/J1 spans).
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.RE
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.B dumpconfig
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.RS
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List types for the spans in a format fit to be used in
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\fBspan-types.conf\fR. Use this to generate a configuration file after
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you have (perhaps manually) set all existing spans.
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.B dahdi_genconf spantypes
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uses this command internally.
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.RE
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.SH CONFIGURATION
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.B span-types.conf
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is a file with lines specifying registration of spans.
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Empty lines or lines beginning with '#' are ignored.
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Each line is in the format of:
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.I ID spanspec ...
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The \fIID\fR field specifies the DAHDI device and the \fIspanspecs\fR
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define how to register its spans. A line may have multiple
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\fIspanspecs\fR in a single line (though dumpconfig generates a
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configuration with one per line).
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.SS Span Identifier
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A DAHDI device may be specified either by a hardware identifier (a
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software readable serial number or whatever) or the location in which
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it is installed on the system. The former makes it simpler to change
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connector / slot whereas the latter makes it simpler to replace a unit.
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The value in this field is matched (when the commands \fBadd\fR and
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\fBremove\fR) are used) to the following values:
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\fIhwid\fR
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\fB@\fIlocation\fR
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\fIdevpath\fR
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See above for their descriptions. The value may include shell wildcards:
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*, ? and [], which are used in the match. The values to be matched are
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first cleaned up: '!' is replaced with '/' and any character beyond
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"a-zA-Z0-9/:.-" is removed.
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.SS Span Specification
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Each line should have one or more span specifications: this is the value
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used to register a span with DAHDI in the SysFS interface. A
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specification has three colon-separated numbers:
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.I rel_span_no:span_type
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for instance, the following are four span specifications specify ports 1 and 2 as E1 and ports 3 and 4 as T1: [12]:E1 [34]:T1 .
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.B rel_span_no
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.RS
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The relative number of the span in the device. E.g.: port number.
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.RE
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.B span_type
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.RS
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E1/T1/J1
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.RE
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.SH ENVIRONMENT
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.B DAHDICONFDIR
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.RS
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The directory in which span-types.conf resides. /etc/dahdi if not
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overridden from the environment.
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.RE
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.B span_types_conf
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.RS
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The path to span-types.conf resides. /etc/dahdi/span-types.conf if
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not overridden from the environment.
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.RE
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.SH FILES
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.B /etc/dahdi/span-types.conf
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.RS
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The default location for the configuration file.
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.RE
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.B /sys/bus/dahdi_devices/devices/\fIdevice\fR
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.RS
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SysFS node for the device. In this directory reside the following
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files, among others:
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.B spantype
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.RS
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read/write file. Reading from it returns current configuration for spans
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of the device. Span-specifications can be written to it to change types
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(but only for a span that is not registered).
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.RE
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.SH SEE ALSO
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span_assignments(8), dahdi_genconf(8), dahdi_cfg(8)
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.SH AUTHOR
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span_assignments was written by Oron Peled. This manual page was
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written by Tzafrir Cohen. Permission is granted to copy, distribute
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and/or modify this document under the terms of the GNU General Public
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License, Version 2 any later version published by the Free Software
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Foundation.
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@ -134,9 +134,10 @@ Span registration should generally always succeed. Span unregistration may
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fail if channels from the span are in use by e.g. asterisk. In such a case
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you'll also see those channels as '(In use)' in the output of lsdahdi(8).
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dahdi_registration is intended to be used when the xpp module parameter
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B<dahdi_autoreg> is false (and implicitly: when the dahdi module parameter
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B<auto_assign_span> is true.
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dahdi_registration is intended to be used when the kernel module parameter
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B<xpp.dahdi_autoreg> is false (and implicitly: when the module parameter
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B<dahdi.auto_assign_span> is true). See also the NOTES section regarding
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C<span_assignments>.
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If dahdi_autoreg is true, the program will normally do nothing.
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@ -209,3 +210,30 @@ This should allow you to register / unregister a specific XPD rather
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than all of them.
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=back
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=head1 NOTES
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dahdi_registration is intended to be used when the kernel module
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parameter B<xpp.dahdi_autoreg> is false (and implicitly: when the module
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parameter B<dahdi.auto_assign_span> is true), that is, Astribank devices
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as detected by XPP (xbus / xpd) do not register automatically with the
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DAHDI core. This tool is used to register tem in an explicit order. It
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works well, but only if you can arange for all of the Astribanks of the
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system to be available (and not already registered) at a specific point
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in time.
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Newer versions of DAHDI added support for registering a span to a
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specific span/channelss numbers specification. This allows registering
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them out of order. To use this capability, the module parameter
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B<dahdi.auto_assign_span> should be unset (set to 0) and thus spans of
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detected DAHDI devices could be registered using C<span_assignments>
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(which may also be run automatically from a udev hook).
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In this case there is no point in delaying XPP device registration with
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dahdi and the parameter B<xpp.dahdi_autoreg> should be set.
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dahdi_registration will simply become a no-op.
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=head1 SEE ALSO
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B<dahdi_cfg>(8), B<span_assignments>(8).
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