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Allow FloodingRouter to repeat heard packets if airtime allows

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This change should increase reliability of sparse meshes without affecting busy ones.
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Darafei Praliaskouski 2025-05-22 09:15:20 +03:00 committed by GitHub
parent 41c1b29d70
commit c395f8af30
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GPG Key ID: B5690EEEBB952194
1 changed files with 9 additions and 4 deletions
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7
src/mesh/FloodingRouter.cpp
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@ -2,6 +2,7 @@
#include "configuration.h" #include "configuration.h"
#include "mesh-pb-constants.h" #include "mesh-pb-constants.h"
#include "airtime.h"
FloodingRouter::FloodingRouter() {} FloodingRouter::FloodingRouter() {}
@ -48,10 +49,14 @@ void FloodingRouter::perhapsCancelDupe(const meshtastic_MeshPacket *p)
if (config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER && if (config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER &&
config.device.role != meshtastic_Config_DeviceConfig_Role_REPEATER && config.device.role != meshtastic_Config_DeviceConfig_Role_REPEATER &&
config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER_LATE) { config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER_LATE) {
// cancel rebroadcast of this message *if* there was already one, unless we're a router/repeater! // Repeater roles should always rebroadcast.
if (!airTime->isTxAllowedAirUtil() && !airTime->isTxAllowedChannelUtil(true)) {
// Other rebroadcasting roles should rebroadcast if there's available airtime
// This keeps small and sparse meshes more reliable and attenuates congestion in busy ones
if (Router::cancelSending(p->from, p->id)) if (Router::cancelSending(p->from, p->id))
txRelayCanceled++; txRelayCanceled++;
} }
}
if (config.device.role == meshtastic_Config_DeviceConfig_Role_ROUTER_LATE && iface) { if (config.device.role == meshtastic_Config_DeviceConfig_Role_ROUTER_LATE && iface) {
iface->clampToLateRebroadcastWindow(getFrom(p), p->id); iface->clampToLateRebroadcastWindow(getFrom(p), p->id);
} }