gnrc/ipv6/nib: make ABR run-time configurable #21081
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Contribution description
Currently all nodes compiled with
gnrc_sixlowpan_border_router_default
will act as an authoritative border router by default.We have a setup with many wireless nodes that are all potential (authoritative) border routers (see #21080), but only one of them will be selected (at run-time) to do so.
This adds a
NETOPT_6LO_ABR
that can be used to enable / disable the authoritative border router functionality on an interface as well as aCONFIG_GNRC_IPV6_NIB_ABR
to control the start-up default.Testing procedure
Issues/PRs references