On Fri, Oct 10, 2014 at 11:15:46PM +0200, Linus Lüssing wrote:
> A miscounting of nodes having multicast optimizations enabled can lead
> to multicast packet loss in the following scenario:
>
> If the first OGM a node receives from another one has no multicast
> optimizations support (no multicast tvlv) then we are missing to
> increase the counter. This potentially leads to the wrong assumption
> that we could safely use multicast optimizations.
>
> Fixings this by increasing the counter if the initial OGM has the
> multicast TVLV unset, too.
>
> Introduced by 77ec494490d60d89b42cd01d5dbf8dee04503623
> ("batman-adv: Announce new capability via multicast TVLV")
>
> Signed-off-by: Linus Lüssing <[email protected]>
> ---
> multicast.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
Reported-by: Tobias Hachmer <[email protected]>
