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#bugfix phantom/false "Direct Connections" and 0 SNR/RSSI node list corru… #11208

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#bugfix phantom/false "Direct Connections" and 0 SNR/RSSI node list corru… #11208

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669b5ed
Fix phantom/false "Direct Connections" and 0 SNR/RSSI node list corru…
Folex-Fire Jul 25, 2026
90a812b
Update NodeDB.cpp
Folex-Fire Jul 25, 2026
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10 changes: 9 additions & 1 deletion src/mesh/NodeDB.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3502,10 +3502,18 @@ void NodeDB::updateFrom(const meshtastic_MeshPacket &mp)

// If hopStart was set and there wasn't someone messing with the limit in the middle, add hopsAway
const int8_t hopsAway = getHopsAway(mp);
if (hopsAway >= 0) {

// Gating rule: 0-hop payloads must have real hardware metrics to be treated as a direct link.
// Prevent uninitialized historical sync / forwarded payloads from pretending to be local neighbors.
bool is_phantom_packet = (hopsAway == 0 && mp.rx_snr == 0.0f && mp.rx_rssi == 0);

if (hopsAway >= 0 && !is_phantom_packet) {
info->has_hops_away = true;
info->hops_away = hopsAway;
} else if (is_phantom_packet) {
info->has_hops_away = false; // Protect topology; drop direct neighbor flag
}

sortMeshDB();
}
}
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