Re: [B.A.T.M.A.N.] [PATCHv14 4/6] batman-adv: Modified forwarding behaviour for multicast packets

[Marek Lindner <mareklindner@neomailbox.ch>]

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On Saturday 15 February 2014 17:47:52 Linus Lüssing wrote:
> With this patch a multicast packet is not always simply flooded anymore,
> the behaviour for the following cases is changed to reduce
> unnecessary overhead:
> 
> If all nodes within the horizon of a certain node have signalized
> multicast listener announcement capability then an IPv6 multicast packet
> with a destination of IPv6 link-local scope (excluding ff02::1) coming
> from the upstream of this node...
> 
> * ...is dropped if there is no according multicast listener in the
>   translation table,
> * ...is forwarded via unicast if there is a single node with interested
>   multicast listeners
> * ...and otherwise still gets flooded.
> 
> Signed-off-by: Linus Lüssing <linus.luessing@web.de>
> ---
>  multicast.c          |  127
> ++++++++++++++++++++++++++++++++++++++++++++++++++
> multicast.h          |   25 ++++++++++
>  send.c               |   10 ++--
>  send.h               |    5 ++
>  soft-interface.c     |   20 +++++++-
>  sysfs-class-net-mesh |    9 ++++
>  sysfs.c              |    6 +++
>  translation-table.c  |   92 ++++++++++++++++++++++++++++--------
>  translation-table.h  |    2 +
>  types.h              |    7 +++
>  10 files changed, 277 insertions(+), 26 deletions(-)

Applied in revision 405cc1e.

Thanks,
Marek

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