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SSU: Only decrease MTU if the retransmitted packet was large

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zzz
2022-07-27 10:30:56 -04:00
parent 4e4718b3b1
commit 5948a7dec3
1 changed files with 3 additions and 3 deletions
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6
router/java/src/net/i2p/router/transport/udp/PeerState.java
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@@ -1249,7 +1249,7 @@ public class PeerState {
_log.debug("Increased MTU after " + maxPktSz + " byte packet acked on " + this);
}
} else {
if (_mtu > _minMTU) {
if (_mtu > _minMTU && maxPktSz > _mtu - (MTU_STEP * 4)) {
_mtu = Math.max(_mtu - MTU_STEP, _minMTU);
_mtuDecreases++;
_mtuIncreases = 0;
@@ -1625,8 +1625,8 @@ public class PeerState {
long old = _retransmitTimer;
if (_retransmitTimer == 0) {
_retransmitTimer = now + getRTO();
if (_log.shouldLog(Log.DEBUG))
_log.debug(_remotePeer + " allocated " + rv.size() + " pushing retransmitter from " + old + " to " + _retransmitTimer);
//if (_log.shouldLog(Log.DEBUG))
// _log.debug(_remotePeer + " allocated " + rv.size() + " pushing retransmitter from " + old + " to " + _retransmitTimer);
} else if (_fastRetransmit.get()) {
// right?
_retransmitTimer = now + getRTO();