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# SPDX-License-Identifier: GPL-2.0-only
#
# DECnet configuration
#
config DECNET
tristate "DECnet Support"
help
The DECnet networking protocol was used in many products made by
Digital (now Compaq). It provides reliable stream and sequenced
packet communications over which run a variety of services similar
to those which run over TCP/IP.
To find some tools to use with the kernel layer support, please
look at Patrick Caulfield's web site:
<http://linux-decnet.sourceforge.net/>.
More detailed documentation is available in
<file:Documentation/networking/decnet.rst>.
Be sure to say Y to "/proc file system support" and "Sysctl support"
below when using DECnet, since you will need sysctl support to aid
in configuration at run time.
The DECnet code is also available as a module ( = code which can be
inserted in and removed from the running kernel whenever you want).
The module is called decnet.
config DECNET_ROUTER
bool "DECnet: router support"
depends on DECNET
select FIB_RULES
help
Add support for turning your DECnet Endnode into a level 1 or 2
router. This is an experimental, but functional option. If you
do say Y here, then make sure that you also say Y to "Kernel/User
network link driver", "Routing messages" and "Network packet
filtering". The first two are required to allow configuration via
rtnetlink (you will need Alexey Kuznetsov's iproute2 package
from <ftp://ftp.tux.org/pub/net/ip-routing/>). The "Network packet
filtering" option will be required for the forthcoming routing daemon
to work.
See <file:Documentation/networking/decnet.rst> for more information.