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README.external.rst

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BATMAN-ADV external module

Introduction

The batman-adv module is shipped as part of the Linux kernel and as an external module. The external module allows to get new features without upgrading to a newer kernel version and to get batman-adv specific bug fixes for kernels that are not supported anymore. It compiles against and should work with Linux 4.4 - 5.16. Supporting older versions is not planned, but it's probably easy to backport it. If you work on a backport, feel free to contact us. :-)

COMPILE

To compile against your currently installed kernel, just type:

# make

if you want to compile against some other kernel, use:

# make KERNELPATH=/path/to/kernel

if you want to install this module:

# sudo make install

CONFIGURATION

The in-kernel module can be configured through menuconfig. When compiling outside of the kernel tree, it is necessary to configure it using the make options. Each option can be set to y (enabled), n (disabled) or m (build as module). Available options and their possible values are (default marked with an "*")

  • CONFIG_BATMAN_ADV_BATMAN_V=[y*|n] (B.A.T.M.A.N. V routing algorithm)
  • CONFIG_BATMAN_ADV_BLA=[y*|n] (B.A.T.M.A.N. bridge loop avoidance)
  • CONFIG_BATMAN_ADV_DAT=[y*|n] (B.A.T.M.A.N. Distributed ARP Table)
  • CONFIG_BATMAN_ADV_DEBUG=[y|n*] (B.A.T.M.A.N. debugging)
  • CONFIG_BATMAN_ADV_MCAST=[y*|n] (B.A.T.M.A.N. multicast optimizations)
  • CONFIG_BATMAN_ADV_NC=[y|n*] (B.A.T.M.A.N. Network Coding)
  • CONFIG_BATMAN_ADV_TRACING=[y|n*] (B.A.T.M.A.N. tracing support)

e.g., debugging can be enabled by:

# make CONFIG_BATMAN_ADV_DEBUG=y

Keep in mind that all options must also be added to make install call.