feat: add path.hash.mode.min CLI command for repeaters#2707
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ViezeVingertjes
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Jun 6, 2026
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Add a new CLI setting to enforce minimum path hash size on flood packet forwarding. Repeaters can now drop flood packets with insufficient hash size using: set path.hash.mode.min <0-2> - 0: no minimum (default, forward all) - 1: require hash_size >= 2 (drop 1-byte hashes) - 2: require hash_size >= 3 (drop 1-2 byte hashes) Implemented in simple_repeater example and persisted to preferences. Tested and verified on RAK 4631 repeater.
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Description
Adds a new CLI command
path.hash.mode.minto allow repeaters to enforce a minimum path hash size for forwarded flood packets.Changes
min_path_hash_modefield toNodePrefsstruct for persistencegetandset path.hash.mode.mincommandssimple_repeaterallowPacketForward()methodBehavior
The repeater will drop flood packets with insufficient hash size:
0: No minimum enforced (default, forward all packets)1: Require hash_size >= 2 bytes (drop mode 0 packets)2: Require hash_size >= 3 bytes (drop mode 0-1 packets)Testing