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feat: add flood path hop limit and related preferences

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This commit is contained in:
overkillfpv 2026-04-20 20:26:00 +10:00
parent 49b37d5622
commit 6efd8cf34b
4 changed files with 32 additions and 2 deletions
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13
examples/simple_repeater/MyMesh.cpp
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@ -558,6 +558,18 @@ bool MyMesh::filterRecvFloodPacket(mesh::Packet* pkt) {
} else {
recv_pkt_region = NULL;
}
// Drop flood REQ/RESPONSE/PATH packets that exceed the path hop limit
if (_prefs.flood_path_max > 0 && pkt->isRouteFlood()) {
uint8_t pt = pkt->getPayloadType();
if (pt == PAYLOAD_TYPE_REQ || pt == PAYLOAD_TYPE_RESPONSE || pt == PAYLOAD_TYPE_PATH) {
if (pkt->getPathHashCount() > _prefs.flood_path_max) {
MESH_DEBUG_PRINTLN("filterRecvFloodPacket: flood path too long (%d > %d), dropping!",
pkt->getPathHashCount(), (uint32_t)_prefs.flood_path_max);
return true;
}
}
}
// do normal processing
return false;
}
@ -886,6 +898,7 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc
_prefs.advert_interval = 1; // default to 2 minutes for NEW installs
_prefs.flood_advert_interval = 12; // 12 hours
_prefs.flood_max = 64;
_prefs.flood_path_max = DEFAULT_FLOOD_PATH_MAX; // default 12
_prefs.interference_threshold = 0; // disabled
// bridge defaults

2
examples/simple_repeater/MyMesh.h
View file

@ -78,6 +78,8 @@ struct NeighbourInfo {
#define FIRMWARE_ROLE "repeater"
#define DEFAULT_FLOOD_PATH_MAX 12
#define PACKET_LOG_FILE "/packet_log"
class MyMesh : public mesh::Mesh, public CommonCLICallbacks {