# SPDX-License-Identifier: GPL-2.0-only
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#
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# Amateur Radio protocols and AX.25 device configuration
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#
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menuconfig HAMRADIO
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depends on NET && !S390
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bool "Amateur Radio support"
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help
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If you want to connect your Linux box to an amateur radio, answer Y
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here. You want to read <https://www.tapr.org/>
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and more specifically about AX.25 on Linux
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<http://www.linux-ax25.org/>.
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Note that the answer to this question won't directly affect the
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kernel: saying N will just cause the configurator to skip all
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the questions about amateur radio.
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comment "Packet Radio protocols"
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depends on HAMRADIO
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config AX25
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tristate "Amateur Radio AX.25 Level 2 protocol"
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depends on HAMRADIO
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help
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This is the protocol used for computer communication over amateur
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radio. It is either used by itself for point-to-point links, or to
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carry other protocols such as tcp/ip. To use it, you need a device
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that connects your Linux box to your amateur radio. You can either
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use a low speed TNC (a Terminal Node Controller acts as a kind of
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modem connecting your computer's serial port to your radio's
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microphone input and speaker output) supporting the KISS protocol or
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one of the various SCC cards that are supported by the generic Z8530
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or the DMA SCC driver. Another option are the Baycom modem serial
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and parallel port hacks or the sound card modem (supported by their
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own drivers). If you say Y here, you also have to say Y to one of
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those drivers.
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Information about where to get supporting software for Linux amateur
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radio as well as information about how to configure an AX.25 port is
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contained in the AX25-HOWTO, available from
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<https://www.tldp.org/docs.html#howto>. You might also want to
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check out the file <file:Documentation/networking/ax25.rst> in the
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kernel source. More information about digital amateur radio in
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general is on the WWW at
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<https://www.tapr.org/>.
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To compile this driver as a module, choose M here: the
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module will be called ax25.
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config AX25_DAMA_SLAVE
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bool "AX.25 DAMA Slave support"
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default y
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depends on AX25
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help
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DAMA is a mechanism to prevent collisions when doing AX.25
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networking. A DAMA server (called "master") accepts incoming traffic
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from clients (called "slaves") and redistributes it to other slaves.
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If you say Y here, your Linux box will act as a DAMA slave; this is
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transparent in that you don't have to do any special DAMA
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configuration. Linux cannot yet act as a DAMA server. This option
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only compiles DAMA slave support into the kernel. It still needs to
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be enabled at runtime. For more about DAMA see
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<http://www.linux-ax25.org>. If unsure, say Y.
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# placeholder until implemented
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config AX25_DAMA_MASTER
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bool 'AX.25 DAMA Master support'
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depends on AX25_DAMA_SLAVE && BROKEN
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help
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DAMA is a mechanism to prevent collisions when doing AX.25
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networking. A DAMA server (called "master") accepts incoming traffic
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from clients (called "slaves") and redistributes it to other slaves.
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If you say Y here, your Linux box will act as a DAMA master; this is
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transparent in that you don't have to do any special DAMA
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configuration. Linux cannot yet act as a DAMA server. This option
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only compiles DAMA slave support into the kernel. It still needs to
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be explicitly enabled, so if unsure, say Y.
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config NETROM
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tristate "Amateur Radio NET/ROM protocol"
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depends on AX25
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help
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NET/ROM is a network layer protocol on top of AX.25 useful for
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routing.
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A comprehensive listing of all the software for Linux amateur radio
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users as well as information about how to configure an AX.25 port is
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contained in the Linux Ham Wiki, available from
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<http://www.linux-ax25.org>. You also might want to check out the
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file <file:Documentation/networking/ax25.rst>. More information about
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digital amateur radio in general is on the WWW at
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<https://www.tapr.org/>.
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To compile this driver as a module, choose M here: the
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module will be called netrom.
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config ROSE
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tristate "Amateur Radio X.25 PLP (Rose)"
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depends on AX25
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help
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The Packet Layer Protocol (PLP) is a way to route packets over X.25
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connections in general and amateur radio AX.25 connections in
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particular, essentially an alternative to NET/ROM.
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A comprehensive listing of all the software for Linux amateur radio
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users as well as information about how to configure an AX.25 port is
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contained in the Linux Ham Wiki, available from
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<http://www.linux-ax25.org>. You also might want to check out the
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file <file:Documentation/networking/ax25.rst>. More information about
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digital amateur radio in general is on the WWW at
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<https://www.tapr.org/>.
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To compile this driver as a module, choose M here: the
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module will be called rose.
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menu "AX.25 network device drivers"
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depends on HAMRADIO && AX25
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source "drivers/net/hamradio/Kconfig"
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endmenu
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