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The B.A.T.M.A.N. project endorses "Mesh is in the air"

Added by Simon Wunderlich about 1 month ago

The B.A.T.M.A.N. project endorses "Mesh is in the air" - this year mesh up of the "Wireless Battle of the Mesh" and "Wireless Community Weekend".

We keep the approach to test the performance of different routing protocols for ad-hoc networks and combine it with the celebration of the 15th anniversary of the yearly Freifunk community get together. The mix becomes a global gathering of wifi tech experts, mesh developers and community networkers that join the event to hack, test, discuss, explain, learn and barbecue at c-base, Berlins famous hack-space-station.

If you are a mesh networking enthusiast, community activist, have an interest in wifi or dynamic routing protocols, you can't miss this event! So check out our continuously updated information about the event at https://www.wireless-meshup.org

The battlemesh is free of charge and open for all, every year we strive to keep participation costs low by negotiating deals for accommodation and food.

This year the event will take place from Monday 7th to Sunday 13th of May, 2018 in Berlin, Germany. The event is locally organized by Freifunk, Germany's community wireless network.

The B.A.T.M.A.N. project endorses and supports the Battle of the Mesh v11 because of the efforts made by its community to advance the field of wireless mesh networking and foster the development of grassroots community networks.

The B.A.T.M.A.N. project will support the event by:

  • help to promote the event
  • numerous members of the B.A.T.M.A.N. community have already confirmed their attendance
  • help organizing the event
  • help setting up the testbed for protocol testing
  • will organize workshops to discuss integration and new features with other communities
  • test our new algorithm B.A.T.M.A.N. V

Many other communities endorse and support the Wireless Battle of The Mesh v11, an up to date list of the endorsers of the Battlemesh 11 can be found at the shared Wireless Mesh-up website.

If you are interested in coming join the event's Mailing List to stay up to date with the latest news.

Batman-adv 2018.0 released

Added by Sven Eckelmann about 2 months ago

Feb 27th, 2018. Today the B.A.T.M.A.N. team publishes the February 2018 update to batman-adv, batctl and alfred! This release contains mostly bugfixes, code cleanups and documentation updates.

The in-tree version also got support for unicast batman-adv packets in the flow dissector. This can be used to spread the receive processing to different CPU cores with the help of RPS. Users of the out-of-tree module are advised to manually add the patchset to their target systems kernel.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2018.0/

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.16)
  • coding style cleanups and refactoring
  • mark licenses clearer, change UAPI netlink header from ISC to MIT
  • bugs squashed:
    • fix packet checksum handling in receive path
    • fix handling of large number of interfaces
    • fix netlink dumping of gateways and BLA claims+backbones

batctl

  • synchronization of batman-adv netlink and packet headers
  • mark licenses clearer, change batman-adv UAPI header from ISC to MIT
  • coding style cleanups and refactoring

alfred

  • synchronization of batman-adv netlink and packet headers
  • mark licenses clearer, change batman-adv UAPI header from ISC to MIT
  • coding style cleanups and refactoring

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.4 released

Added by Sven Eckelmann 5 months ago

Dec 05th, 2017. Today the B.A.T.M.A.N. team publishes the December 2017 update to batman-adv, batctl and alfred! This release contains mostly bugfixes, code cleanups and documentation updates.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.4/

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.15)
  • coding style cleanups and refactoring
  • documentation cleanup
  • bugs squashed:
    • avoid spurious warnings from bat_v neigh_cmp implementation
    • fix check of gateway availability in B.A.T.M.A.N. V
    • fix locking for bidirectional TQ check counters
    • remove leak of stack bits in fragmentation header priority

batctl

  • synchronization of batman-adv netlink header
  • coding style cleanups and refactoring
  • documentation cleanup
  • bugs squashed:
    • improve error handling for libnl related errors
    • add checks for various allocation errors

alfred

  • synchronization of batman-adv netlink header
  • coding style cleanups and refactoring
  • documentation cleanup
  • bugs squashed:
    • only query debugfs when netlink failed
    • handle allocation errors in hashtable iterator

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.3 released

Added by Sven Eckelmann 7 months ago

Sep 28th, 2017. Today the B.A.T.M.A.N. team publishes the September 2017 update to batman-adv, batctl and alfred! A long standing problem in batman-adv was fixed that could lead to an excessive number of TT management packets when devices disagree about the enabled flags of a device in the translation table. The memory usage of alfred was reduced slightly when it is used with --update-command and receives a lot of updates. Also minor bugfixes and code cleanups are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.3/

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.14)
  • coding style cleanups and refactoring
  • bugs squashed:
    • fix TT sync flag inconsistencies
    • ignore invalid throughput values from wifi interfaces

batctl

  • bugs squashed:
    • Fix error messages on traceroute send failures

alfred

  • reduction of memory usage when using --update-command

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.2 released

Added by Sven Eckelmann 9 months ago

July 28th, 2017. Today the B.A.T.M.A.N. team publishes the July 2017 update to batman-adv, batctl and alfred! This release introduces various improvements in alfred's master server selection code. It will reduce the CPU load on meshes with many master servers by rating multiple servers at once instead of each server separately. batman-adv is now trying harder to avoid the special bridge loop avoidance mac addresses in its translation table. Also minor bugfixes and code cleanups are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.2/

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.13)
  • avoid bridge loop detection mac addresses in translation tables
  • coding style cleanups and refactoring
  • bugs squashed:
    • ignore invalid throughput values from wifi interfaces

batctl

  • coding style cleanups and refactoring

alfred

  • reduce cpu load when rating multiple master servers
  • coding style cleanups and refactoring

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.1 released

Added by Sven Eckelmann 11 months ago

May 23th, 2017. Today the B.A.T.M.A.N. team publishes the May 2017 update to batman-adv, batctl and alfred! This release introduces some improvements for various corner cases of bridge loop avoidance. They especially avoid duplicated packets on an ethernet backbone when DAT is enabled. The maximum fragment size was reduced to the minimum allowed MTU for IPv6 to reduce the risk that an intermediate link cannot transport a fragment and has to drop it. Also minor bugfixes and code cleanups are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.1/

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.12)
  • bridge loop avoidance improvements for various corner cases
  • reduction of maximum fragment size
  • coding style cleanups and refactoring
  • bugs squashed:
    • fix rx packet/bytes stats on local DAT ARP reply

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.0.1 released

Added by Sven Eckelmann about 1 year ago

Mar 7th, 2017. Today the B.A.T.M.A.N. team publishes a bugfix release for the 2017.0 version of batman-adv! An API breaking change was integrated quite late in the Linux 4.11 merge window. This change broke the compilation of BATMAN_V against this version and required a change in the compatibility code of batman-adv. Additionally, a minor fix for the initialization of the gateway selection class was integrated which solves a problem when BATMAN_V is compiled in but BATMAN_IV is enabled. Also the change to generate equally sized fragments was backported from master to avoid a fragment padding problem identified by Martin Weinelt and Matthias Schiffer.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.0.1/

as well as prepackaged binaries in your distribution.

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.11)
  • bugs squashed:
    • avoid API incompatibilities with new EWMA implementation
    • generate equally size fragments to reduce chance of padding or MTU problems
    • fix initialization of gateway sel class when BATMAN_V is compiled in

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2017.0 released

Added by Sven Eckelmann about 1 year ago

Feb 28th, 2017. Today the B.A.T.M.A.N. team publishes the February 2017 update to batman-adv, batctl and alfred! This release reduces the number of cases in which batctl depends on running with full root user privileges. Bridge loop avoidance addresses are removed from the translation table to lower its memory usage. The batman-adv compatibility code was optimized to better work with old kernel versions and to build B.A.T.M.A.N. V (without wifi throughput detection) on pre-3.16 kernels. alfred gained an experimental mode to support data synchronization over IPv4 instead of IPv6. Also several bugfixes and code cleanups are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2017.0/

as well as prepackaged binaries in your distribution.

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.11)
  • remove bridge loop avoidance addresses from translation table
  • allow to build B.A.T.M.A.N. V without cfg80211 integration on Linux < 3.16
  • coding style cleanups and refactoring
  • bugs squashed:
  • fix interface reference counter on fragmentation errors
    • avoid double free on fragment merge error
    • fix support for up to 16 fragments
    • fix build of multicast compatibility code on some architectures

batctl

  • remove root check for read-only sysfs and rtnl functionality
  • coding style cleanups
  • bugs squashed:
    • fix check for root privileges when started under modified effective uid

alfred

  • support IPv4 multicast distribution
  • coding style cleanups

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2016.5 released

Added by Sven Eckelmann over 1 year ago

Dec 15th, 2016. Today the B.A.T.M.A.N. team publishes the December 2016 update to batman-adv, batctl and alfred! This release improves the support of systems without debugfs and starts to replace the use of the sysfs files for interface manipulation with rtnetlink. batman-adv can automatically detect some setups which don't require (re)broadcasts on specific interfaces. The support of the multicast optimization under B.A.T.M.A.N. V was improved and the throughput detection now works for VLANs on top of WiFi interfaces. Also several bugfixes, code cleanups and code documentation updates are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2016.5/

as well as prepackaged binaries in your distribution.

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.10)
  • change installation path back to $INSTALL_MOD_DIR/updates/net/batman-adv
  • add simple (re)broadcast avoidance
  • reduce multicast TT and TVLV update delays under B.A.T.M.A.N. V
  • support B.A.T.M.A.N. V throughput detection when using VLANs on top of WiFi
  • improve documentation of sysfs and debugfs files
  • coding style cleanups and refactoring
  • bugs squashed:
    • detect missing primaryif during tp_send as error
    • fix re-adding of previously removed interfaces via rtnetlink
    • fix rare race conditions on interface removal
    • handle allocation error when generating TT responses

batctl

  • reimplement traceroute/ping commands in userspace without debugfs
  • switch interface manipulation from (legacy) sysfs to rtnetlink
  • coding style cleanups

alfred

  • support interface validity checks on systems without debugfs
  • remove debugfs check during batadv-vis startup
  • allow out-of-order txend packets during transmissions

Happy routing,

The B.A.T.M.A.N. team

Batman-adv 2016.4 released

Added by Sven Eckelmann over 1 year ago

Oct 27th, 2016. Today the B.A.T.M.A.N. team publishes the October 2016 update to batman-adv, batctl and alfred! This release enhanced the netlink support and now can replace most of the data currently available via debugfs. batman-adv can therefore be used in multiple network namespaces without collision in debugfs. The size of the translation table was optimized and the gateway selection algorithm for B.A.T.M.A.N. V was integrated. Also several bugfixes, code cleanups and code documentation updates are included in this version.

As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section:

https://downloads.open-mesh.org/batman/releases/batman-adv-2016.4/

as well as prepackaged binaries in your distribution.

Thanks

Thanks to all people sending in patches:

batman-adv

  • support latest kernels (3.2 - 4.9)
  • add GW selection algorithm for B.A.T.M.A.N. V
  • add support for querying most tables/lists via netlink
  • adjusted device modifications for easier handling via rtnl (ip-link)
  • disabled (bad) debugfs support in network namespaces
  • add improved compat-patches support (note the new build directory)
  • reduced translation table memory consumption
  • coding style cleanups and refactoring
  • bugs squashed:
    • avoid locking problems when modifying interfaces
    • fix sysfs errors on fast device deletion/creation events
    • add missing memory barriers for neighbor list modifications
    • fix tpmeter debug log output

batctl

  • integrate support for batman-adv netlink
  • coding style cleanups
  • documentation updates
  • bugs squashed:
    • fix endless loop in TP meter on some platforms
    • fix build errors caused by name conflicts

alfred

  • add expert option to specify sync interval
  • fix various bugs in batadv-vis netlink integration
  • fix build build problems with libnl-tiny

Happy routing,

The B.A.T.M.A.N. team

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