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Broadcasting flags are hardcoded for each kind for protocol. Create a redirect_flags map that allows to select the broadcasting flags to use in the bpf_redirect_map(). The protocol ID is used as a key. Set the old hardcoded values as default if the map isn't filled by the BPF caller. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250212-redirect-multi-v5-3-fd0d39fca6e6@bootlin.com