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The files provided by batman-adv via debugfs are currently converted to
netlink. Tools which are not yet converted to use the netlink interface may
still rely on the old debugfs files. But systems which already upgraded
their tools can save some space by disabling this feature. The default
configuration of batman-adv on amd64 can reduce the size of the module by
around 11% when this feature is disabled.
$ size net/batman-adv/batman-adv.ko*
text data bss dec hex filename
150507 10395 4160 165062 284c6 net/batman-adv/batman-adv.ko.y
137106 7099 2112 146317 23b8d net/batman-adv/batman-adv.ko.n
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
96 lines
3.2 KiB
Plaintext
96 lines
3.2 KiB
Plaintext
#
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# B.A.T.M.A.N meshing protocol
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#
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config BATMAN_ADV
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tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
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depends on NET
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select CRC16
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select LIBCRC32C
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default n
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help
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B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is
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a routing protocol for multi-hop ad-hoc mesh networks. The
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networks may be wired or wireless. See
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https://www.open-mesh.org/ for more information and user space
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tools.
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config BATMAN_ADV_BATMAN_V
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bool "B.A.T.M.A.N. V protocol (experimental)"
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depends on BATMAN_ADV && CFG80211=y || (CFG80211=m && BATMAN_ADV=m)
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default n
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help
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This option enables the B.A.T.M.A.N. V protocol, the successor
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of the currently used B.A.T.M.A.N. IV protocol. The main
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changes include splitting of the OGM protocol into a neighbor
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discovery protocol (Echo Location Protocol, ELP) and a new OGM
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Protocol OGMv2 for flooding protocol information through the
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network, as well as a throughput based metric.
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B.A.T.M.A.N. V is currently considered experimental and not
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compatible to B.A.T.M.A.N. IV networks.
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config BATMAN_ADV_BLA
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bool "Bridge Loop Avoidance"
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depends on BATMAN_ADV && INET
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default y
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help
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This option enables BLA (Bridge Loop Avoidance), a mechanism
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to avoid Ethernet frames looping when mesh nodes are connected
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to both the same LAN and the same mesh. If you will never use
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more than one mesh node in the same LAN, you can safely remove
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this feature and save some space.
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config BATMAN_ADV_DAT
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bool "Distributed ARP Table"
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depends on BATMAN_ADV && INET
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default n
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help
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This option enables DAT (Distributed ARP Table), a DHT based
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mechanism that increases ARP reliability on sparse wireless
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mesh networks. If you think that your network does not need
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this option you can safely remove it and save some space.
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config BATMAN_ADV_NC
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bool "Network Coding"
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depends on BATMAN_ADV
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default n
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help
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This option enables network coding, a mechanism that aims to
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increase the overall network throughput by fusing multiple
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packets in one transmission.
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Note that interfaces controlled by batman-adv must be manually
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configured to have promiscuous mode enabled in order to make
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network coding work.
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If you think that your network does not need this feature you
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can safely disable it and save some space.
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config BATMAN_ADV_MCAST
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bool "Multicast optimisation"
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depends on BATMAN_ADV && INET && !(BRIDGE=m && BATMAN_ADV=y)
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default n
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help
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This option enables the multicast optimisation which aims to
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reduce the air overhead while improving the reliability of
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multicast messages.
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config BATMAN_ADV_DEBUGFS
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bool "batman-adv debugfs entries"
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depends on BATMAN_ADV
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depends on DEBUG_FS
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default y
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help
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Enable this to export routing related debug tables via debugfs.
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The information for each soft-interface and used hard-interface can be
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found under batman_adv/
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If unsure, say Y.
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config BATMAN_ADV_DEBUG
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bool "B.A.T.M.A.N. debugging"
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depends on BATMAN_ADV_DEBUGFS
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help
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This is an option for use by developers; most people should
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say N here. This enables compilation of support for
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outputting debugging information to the kernel log. The
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output is controlled via the module parameter debug.
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