Commit 1e8721e2 authored by Ondřej Zajíček's avatar Ondřej Zajíček

Babel: Parse flags in Hello TLV

RFC6126bis introduces a flags field for the Hello TLV, and adds a unicast flag
that is used to signify that a hello was sent as unicast. This adds parsing of
the flags field and ignores such unicast hellos, which preserves compatibility
until we can add a proper implementation of the unicast hello mechanism.

Thanks to Toke Hoiland-Jorgensen for the patch.
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