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Harden flood retry airtime handling

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mikecarper
2026-07-11 23:51:14 -07:00
parent 927d7869ff
commit 73c6472d95
9 changed files with 172 additions and 55 deletions
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src/Mesh.cpp
+4 -1
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@@ -402,13 +402,16 @@ uint8_t Mesh::getFloodRetryMaxAttempts(const Packet* packet) const {
return FLOOD_RETRY_MAX_ATTEMPTS_DEFAULT;
}
uint32_t Mesh::getFloodRetryAttemptDelay(const Packet* packet, uint8_t attempt_idx) {
(void)attempt_idx;
if (packet == NULL) {
return _radio->getEstAirtimeFor(MAX_TRANS_UNIT);
}
uint32_t max_packet_airtime = _radio->getEstAirtimeFor(MAX_TRANS_UNIT);
uint32_t packet_airtime = _radio->getEstAirtimeFor(packet->getRawLength());
return max_packet_airtime + (20UL * packet_airtime);
uint32_t jitter_percent = _rng->nextInt(0, 201);
uint32_t jitter = (packet_airtime * jitter_percent) / 100UL;
return max_packet_airtime + (20UL * packet_airtime) + jitter;
}
uint8_t Mesh::getExtraAckTransmitCount() const {
return 0;