1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright (C) B.A.T.M.A.N. contributors: !! 2 # Copyright (C) 2007-2020 B.A.T.M.A.N. contributors:
3 # 3 #
4 # Marek Lindner, Simon Wunderlich 4 # Marek Lindner, Simon Wunderlich
5 5
6 # 6 #
7 # B.A.T.M.A.N meshing protocol 7 # B.A.T.M.A.N meshing protocol
8 # 8 #
9 9
10 config BATMAN_ADV 10 config BATMAN_ADV
11 tristate "B.A.T.M.A.N. Advanced Meshin 11 tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
>> 12 depends on NET
12 select LIBCRC32C 13 select LIBCRC32C
13 help 14 help
14 B.A.T.M.A.N. (better approach to mob 15 B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is
15 a routing protocol for multi-hop ad- 16 a routing protocol for multi-hop ad-hoc mesh networks. The
16 networks may be wired or wireless. S 17 networks may be wired or wireless. See
17 https://www.open-mesh.org/ for more 18 https://www.open-mesh.org/ for more information and user space
18 tools. 19 tools.
19 20
20 config BATMAN_ADV_BATMAN_V 21 config BATMAN_ADV_BATMAN_V
21 bool "B.A.T.M.A.N. V protocol" 22 bool "B.A.T.M.A.N. V protocol"
22 depends on BATMAN_ADV && !(CFG80211=m 23 depends on BATMAN_ADV && !(CFG80211=m && BATMAN_ADV=y)
23 default y 24 default y
24 help 25 help
25 This option enables the B.A.T.M.A.N. 26 This option enables the B.A.T.M.A.N. V protocol, the successor
26 of the currently used B.A.T.M.A.N. I 27 of the currently used B.A.T.M.A.N. IV protocol. The main
27 changes include splitting of the OGM 28 changes include splitting of the OGM protocol into a neighbor
28 discovery protocol (Echo Location Pr 29 discovery protocol (Echo Location Protocol, ELP) and a new OGM
29 Protocol OGMv2 for flooding protocol 30 Protocol OGMv2 for flooding protocol information through the
30 network, as well as a throughput bas 31 network, as well as a throughput based metric.
31 B.A.T.M.A.N. V is currently consider 32 B.A.T.M.A.N. V is currently considered experimental and not
32 compatible to B.A.T.M.A.N. IV networ 33 compatible to B.A.T.M.A.N. IV networks.
33 34
34 config BATMAN_ADV_BLA 35 config BATMAN_ADV_BLA
35 bool "Bridge Loop Avoidance" 36 bool "Bridge Loop Avoidance"
36 depends on BATMAN_ADV && INET 37 depends on BATMAN_ADV && INET
37 select CRC16 38 select CRC16
38 default y 39 default y
39 help 40 help
40 This option enables BLA (Bridge Loop 41 This option enables BLA (Bridge Loop Avoidance), a mechanism
41 to avoid Ethernet frames looping whe 42 to avoid Ethernet frames looping when mesh nodes are connected
42 to both the same LAN and the same me 43 to both the same LAN and the same mesh. If you will never use
43 more than one mesh node in the same 44 more than one mesh node in the same LAN, you can safely remove
44 this feature and save some space. 45 this feature and save some space.
45 46
46 config BATMAN_ADV_DAT 47 config BATMAN_ADV_DAT
47 bool "Distributed ARP Table" 48 bool "Distributed ARP Table"
48 depends on BATMAN_ADV && INET 49 depends on BATMAN_ADV && INET
49 default y 50 default y
50 help 51 help
51 This option enables DAT (Distributed 52 This option enables DAT (Distributed ARP Table), a DHT based
52 mechanism that increases ARP reliabi 53 mechanism that increases ARP reliability on sparse wireless
53 mesh networks. If you think that you 54 mesh networks. If you think that your network does not need
54 this option you can safely remove it 55 this option you can safely remove it and save some space.
55 56
56 config BATMAN_ADV_NC 57 config BATMAN_ADV_NC
57 bool "Network Coding" 58 bool "Network Coding"
58 depends on BATMAN_ADV 59 depends on BATMAN_ADV
59 help 60 help
60 This option enables network coding, 61 This option enables network coding, a mechanism that aims to
61 increase the overall network through 62 increase the overall network throughput by fusing multiple
62 packets in one transmission. 63 packets in one transmission.
63 Note that interfaces controlled by b 64 Note that interfaces controlled by batman-adv must be manually
64 configured to have promiscuous mode 65 configured to have promiscuous mode enabled in order to make
65 network coding work. 66 network coding work.
66 If you think that your network does 67 If you think that your network does not need this feature you
67 can safely disable it and save some 68 can safely disable it and save some space.
68 69
69 config BATMAN_ADV_MCAST 70 config BATMAN_ADV_MCAST
70 bool "Multicast optimisation" 71 bool "Multicast optimisation"
71 depends on BATMAN_ADV && INET && !(BRI 72 depends on BATMAN_ADV && INET && !(BRIDGE=m && BATMAN_ADV=y)
72 default y 73 default y
73 help 74 help
74 This option enables the multicast op 75 This option enables the multicast optimisation which aims to
75 reduce the air overhead while improv 76 reduce the air overhead while improving the reliability of
76 multicast messages. 77 multicast messages.
77 78
>> 79 config BATMAN_ADV_DEBUGFS
>> 80 bool "batman-adv debugfs entries"
>> 81 depends on BATMAN_ADV
>> 82 depends on DEBUG_FS
>> 83 help
>> 84 Enable this to export routing related debug tables via debugfs.
>> 85 The information for each soft-interface and used hard-interface can be
>> 86 found under batman_adv/
>> 87
>> 88 If unsure, say N.
>> 89
78 config BATMAN_ADV_DEBUG 90 config BATMAN_ADV_DEBUG
79 bool "B.A.T.M.A.N. debugging" 91 bool "B.A.T.M.A.N. debugging"
80 depends on BATMAN_ADV 92 depends on BATMAN_ADV
81 help 93 help
82 This is an option for use by develop 94 This is an option for use by developers; most people should
83 say N here. This enables compilation 95 say N here. This enables compilation of support for
84 outputting debugging information to !! 96 outputting debugging information to the debugfs log or tracing
85 controlled via the batadv netdev spe !! 97 buffer. The output is controlled via the batadv netdev specific
>> 98 log_level setting.
>> 99
>> 100 config BATMAN_ADV_SYSFS
>> 101 bool "batman-adv sysfs entries"
>> 102 depends on BATMAN_ADV
>> 103 help
>> 104 Say Y here if you want to enable batman-adv device configuration and
>> 105 status interface through sysfs attributes. It is replaced by the
>> 106 batadv generic netlink family but still used by various userspace
>> 107 tools and scripts.
>> 108
>> 109 If unsure, say Y.
86 110
87 config BATMAN_ADV_TRACING 111 config BATMAN_ADV_TRACING
88 bool "B.A.T.M.A.N. tracing support" 112 bool "B.A.T.M.A.N. tracing support"
89 depends on BATMAN_ADV 113 depends on BATMAN_ADV
90 depends on EVENT_TRACING 114 depends on EVENT_TRACING
91 help 115 help
92 This is an option for use by develop 116 This is an option for use by developers; most people should
93 say N here. Select this option to ga 117 say N here. Select this option to gather traces like the debug
94 messages using the generic tracing i 118 messages using the generic tracing infrastructure of the kernel.
95 BATMAN_ADV_DEBUG must also be select 119 BATMAN_ADV_DEBUG must also be selected to get trace events for
96 batadv_dbg. 120 batadv_dbg.
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