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SSU: Disable SSU1 option, part 5 WIP - more MTU fixes

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zzz
2022-12-02 09:15:28 -05:00
parent 1eee60c0ce
commit 8e7c8cab48
1 changed files with 6 additions and 4 deletions
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10
router/java/src/net/i2p/router/transport/udp/UDPTransport.java
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@@ -106,6 +106,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
private int _mtu_ipv6 = PeerState.MIN_IPV6_MTU;
private int _mtu_ssu2 = PeerState2.MIN_SSU_IPV4_MTU;
private int _mtu_ssu2_ipv6 = PeerState2.MIN_SSU_IPV6_MTU;
private final int _defaultMTU;
private boolean _mismatchLogged;
private final int _networkID;
@@ -408,6 +409,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
// SSU2 key and IV generation if required
_enableSSU1 = dh != null;
_defaultMTU = _enableSSU1 ? PeerState.LARGE_MTU : PeerState2.DEFAULT_MTU;
boolean enableSSU2 = xdh != null;
if (enableSSU2) {
// if any ipv4 address is lower than 1280 MTU, disable
@@ -2834,7 +2836,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
mtu = getMTU(false);
}
options.setProperty(UDPAddress.PROP_CAPACITY, caps);
if (mtu != PeerState.LARGE_MTU && mtu > 0)
if (mtu != _defaultMTU && mtu > 0)
options.setProperty(UDPAddress.PROP_MTU, Integer.toString(mtu));
if (_enableSSU2 && (mtu >= PeerState2.MIN_MTU || mtu == 0))
addSSU2Options(options);
@@ -2904,7 +2906,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
// MTU since 0.9.2
int mtu = getMTU(isIPv6);
if (mtu != PeerState.LARGE_MTU && mtu > 0)
if (mtu != _defaultMTU && mtu > 0)
options.setProperty(UDPAddress.PROP_MTU, Integer.toString(mtu));
if (directIncluded || introducersIncluded) {
@@ -2961,7 +2963,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
OrderedProperties opts = new OrderedProperties();
opts.setProperty(UDPAddress.PROP_CAPACITY, CAP_IPV6);
mtu = getMTU(true);
if (mtu > 0)
if (mtu != _defaultMTU && mtu > 0)
opts.setProperty(UDPAddress.PROP_MTU, Integer.toString(mtu));
if (_enableSSU2)
addSSU2Options(opts);
@@ -2996,7 +2998,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
// Make an empty "4" or "6" address
OrderedProperties opts = new OrderedProperties();
opts.setProperty(UDPAddress.PROP_CAPACITY, isIPv6 ? CAP_IPV6 : CAP_IPV4);
if (mtu != PeerState.LARGE_MTU && mtu > 0)
if (mtu != _defaultMTU && mtu > 0)
opts.setProperty(UDPAddress.PROP_MTU, Integer.toString(mtu));
if (_enableSSU2 && (mtu >= PeerState2.MIN_MTU || mtu == 0))
addSSU2Options(opts);