Setting MTU size for specific network.
Able to config network specific MTU size. Normally, the default size of MTU is 1500.
US - ATT 1410, TMUS 1440, SPRINT 1422
KR - SKT 1440, KT 1450, LGU+ 1428
JP - KDDI 1420, SoftBank 1340
CA - RGS 1430, FIDO 1430, MTS 1430, BELL 1358, SaskTel 1358
AU - TEL 1400
Bug: 10195070
Change-Id: Ie18650b37a3d44af944f2dae4aa97c04fb12cd5e
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 43d6b71..284e1a7 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -66,6 +66,7 @@
private String mDomains;
private Collection<RouteInfo> mRoutes = new ArrayList<RouteInfo>();
private ProxyProperties mHttpProxy;
+ private int mMtu;
// Stores the properties of links that are "stacked" above this link.
// Indexed by interface name to allow modification and to prevent duplicates being added.
@@ -104,6 +105,7 @@
for (LinkProperties l: source.mStackedLinks.values()) {
addStackedLink(l);
}
+ setMtu(source.getMtu());
}
}
@@ -223,6 +225,14 @@
mDomains = domains;
}
+ public void setMtu(int mtu) {
+ mMtu = mtu;
+ }
+
+ public int getMtu() {
+ return mMtu;
+ }
+
private RouteInfo routeWithInterface(RouteInfo route) {
return new RouteInfo(
route.getDestination(),
@@ -322,6 +332,7 @@
mRoutes.clear();
mHttpProxy = null;
mStackedLinks.clear();
+ mMtu = 0;
}
/**
@@ -346,6 +357,8 @@
String domainName = "Domains: " + mDomains;
+ String mtu = "MTU: " + mMtu;
+
String routes = " Routes: [";
for (RouteInfo route : mRoutes) routes += route.toString() + ",";
routes += "] ";
@@ -359,7 +372,8 @@
}
stacked += "] ";
}
- return "{" + ifaceName + linkAddresses + routes + dns + domainName + proxy + stacked + "}";
+ return "{" + ifaceName + linkAddresses + routes + dns + domainName + mtu
+ + proxy + stacked + "}";
}
/**
@@ -474,6 +488,16 @@
return true;
}
+ /**
+ * Compares this {@code LinkProperties} MTU against the target
+ *
+ * @@param target LinkProperties to compare.
+ * @return {@code true} if both are identical, {@code false} otherwise.
+ */
+ public boolean isIdenticalMtu(LinkProperties target) {
+ return getMtu() == target.getMtu();
+ }
+
@Override
/**
* Compares this {@code LinkProperties} instance against the target
@@ -505,7 +529,8 @@
isIdenticalDnses(target) &&
isIdenticalRoutes(target) &&
isIdenticalHttpProxy(target) &&
- isIdenticalStackedLinks(target);
+ isIdenticalStackedLinks(target) &&
+ isIdenticalMtu(target);
}
/**
@@ -607,7 +632,8 @@
+ ((null == mDomains) ? 0 : mDomains.hashCode())
+ mRoutes.size() * 41
+ ((null == mHttpProxy) ? 0 : mHttpProxy.hashCode())
- + mStackedLinks.hashCode() * 47);
+ + mStackedLinks.hashCode() * 47)
+ + mMtu * 51;
}
/**
@@ -625,7 +651,7 @@
dest.writeByteArray(d.getAddress());
}
dest.writeString(mDomains);
-
+ dest.writeInt(mMtu);
dest.writeInt(mRoutes.size());
for(RouteInfo route : mRoutes) {
dest.writeParcelable(route, flags);
@@ -664,6 +690,7 @@
} catch (UnknownHostException e) { }
}
netProp.setDomains(in.readString());
+ netProp.setMtu(in.readInt());
addressCount = in.readInt();
for (int i=0; i<addressCount; i++) {
netProp.addRoute((RouteInfo)in.readParcelable(null));
diff --git a/core/java/android/net/MobileDataStateTracker.java b/core/java/android/net/MobileDataStateTracker.java
index fe596ae..b914940 100644
--- a/core/java/android/net/MobileDataStateTracker.java
+++ b/core/java/android/net/MobileDataStateTracker.java
@@ -198,6 +198,8 @@
loge("CONNECTED event did not supply link properties.");
mLinkProperties = new LinkProperties();
}
+ mLinkProperties.setMtu(mContext.getResources().getInteger(
+ com.android.internal.R.integer.config_mobile_mtu));
mLinkCapabilities = intent.getParcelableExtra(
PhoneConstants.DATA_LINK_CAPABILITIES_KEY);
if (mLinkCapabilities == null) {
diff --git a/core/java/android/os/INetworkManagementService.aidl b/core/java/android/os/INetworkManagementService.aidl
index ed9620f..61e5a4b 100644
--- a/core/java/android/os/INetworkManagementService.aidl
+++ b/core/java/android/os/INetworkManagementService.aidl
@@ -118,6 +118,11 @@
void removeSecondaryRoute(String iface, in RouteInfo route);
/**
+ * Set the specified MTU size
+ */
+ void setMtu(String iface, int mtu);
+
+ /**
* Shuts down the service
*/
void shutdown();
diff --git a/core/res/res/values-mcc204-mnc04/config.xml b/core/res/res/values-mcc204-mnc04/config.xml
new file mode 100644
index 0000000..7a48342
--- /dev/null
+++ b/core/res/res/values-mcc204-mnc04/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1358</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc302-mnc370/config.xml b/core/res/res/values-mcc302-mnc370/config.xml
index 3d2ea75..4fb2232 100644
--- a/core/res/res/values-mcc302-mnc370/config.xml
+++ b/core/res/res/values-mcc302-mnc370/config.xml
@@ -36,4 +36,8 @@
note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
<string translatable="false" name="config_tether_apndata">Fido LTE Tethering,ltedata.apn,,,,,,,,,302,370,,DUN</string>
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1410</integer>
+
</resources>
diff --git a/core/res/res/values-mcc302-mnc610/config.xml b/core/res/res/values-mcc302-mnc610/config.xml
index 706570c..638aa92 100644
--- a/core/res/res/values-mcc302-mnc610/config.xml
+++ b/core/res/res/values-mcc302-mnc610/config.xml
@@ -22,4 +22,9 @@
<string-array translatable="false" name="config_operatorConsideredNonRoaming">
<item>302</item>
</string-array>
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1358</integer>
+
</resources>
diff --git a/core/res/res/values-mcc302-mnc660/config.xml b/core/res/res/values-mcc302-mnc660/config.xml
index 37853cf..76f7968 100644
--- a/core/res/res/values-mcc302-mnc660/config.xml
+++ b/core/res/res/values-mcc302-mnc660/config.xml
@@ -35,4 +35,9 @@
"name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
<string translatable="false" name="config_tether_apndata">MTS -Tethering,internet.mts,,,,,,,,,302,660,,DUN</string>
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1430</integer>
+
</resources>
diff --git a/core/res/res/values-mcc302-mnc720/config.xml b/core/res/res/values-mcc302-mnc720/config.xml
index 680f1a3..4eceffc 100644
--- a/core/res/res/values-mcc302-mnc720/config.xml
+++ b/core/res/res/values-mcc302-mnc720/config.xml
@@ -36,4 +36,8 @@
note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
<string translatable="false" name="config_tether_apndata">Rogers LTE Tethering,ltedata.apn,,,,,,,,,302,720,,DUN</string>
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1430</integer>
+
</resources>
diff --git a/core/res/res/values-mcc302-mnc780/config.xml b/core/res/res/values-mcc302-mnc780/config.xml
index b03d14e..cd40191 100644
--- a/core/res/res/values-mcc302-mnc780/config.xml
+++ b/core/res/res/values-mcc302-mnc780/config.xml
@@ -41,4 +41,9 @@
<string-array translatable="false" name="config_operatorConsideredNonRoaming">
<item>302</item>
</string-array>
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1358</integer>
+
</resources>
diff --git a/core/res/res/values-mcc310-mnc120/config.xml b/core/res/res/values-mcc310-mnc120/config.xml
new file mode 100644
index 0000000..62001d9
--- /dev/null
+++ b/core/res/res/values-mcc310-mnc120/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1422</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc310-mnc260/config.xml b/core/res/res/values-mcc310-mnc260/config.xml
index 56a5d4e..886ecbe 100644
--- a/core/res/res/values-mcc310-mnc260/config.xml
+++ b/core/res/res/values-mcc310-mnc260/config.xml
@@ -37,4 +37,8 @@
note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
<string translatable="false" name="config_tether_apndata">T-Mobile Tethering,pcweb.tmobile.com,,,,,,,,,310,260,,DUN</string>
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1440</integer>
+
</resources>
diff --git a/core/res/res/values-mcc310-mnc410/config.xml b/core/res/res/values-mcc310-mnc410/config.xml
new file mode 100644
index 0000000..73aa1ce
--- /dev/null
+++ b/core/res/res/values-mcc310-mnc410/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1410</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc440-mnc20/config.xml b/core/res/res/values-mcc440-mnc20/config.xml
new file mode 100644
index 0000000..ba709fa
--- /dev/null
+++ b/core/res/res/values-mcc440-mnc20/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1340</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc440-mnc50/config.xml b/core/res/res/values-mcc440-mnc50/config.xml
new file mode 100644
index 0000000..fa5cba4
--- /dev/null
+++ b/core/res/res/values-mcc440-mnc50/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1420</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc440-mnc54/config.xml b/core/res/res/values-mcc440-mnc54/config.xml
new file mode 100644
index 0000000..fa5cba4
--- /dev/null
+++ b/core/res/res/values-mcc440-mnc54/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1420</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc450-mnc05/config.xml b/core/res/res/values-mcc450-mnc05/config.xml
new file mode 100644
index 0000000..d602c9f
--- /dev/null
+++ b/core/res/res/values-mcc450-mnc05/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1440</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc450-mnc06/config.xml b/core/res/res/values-mcc450-mnc06/config.xml
new file mode 100644
index 0000000..63f9823
--- /dev/null
+++ b/core/res/res/values-mcc450-mnc06/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1428</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc450-mnc08/config.xml b/core/res/res/values-mcc450-mnc08/config.xml
new file mode 100644
index 0000000..950c62b
--- /dev/null
+++ b/core/res/res/values-mcc450-mnc08/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You my obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+ for different hardware and product builds. -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1450</integer>
+
+</resources>
diff --git a/core/res/res/values-mcc505-mnc01/config.xml b/core/res/res/values-mcc505-mnc01/config.xml
index f9d9ac7..7331c50 100644
--- a/core/res/res/values-mcc505-mnc01/config.xml
+++ b/core/res/res/values-mcc505-mnc01/config.xml
@@ -37,4 +37,8 @@
note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
<string translatable="false" name="config_tether_apndata">Telstra Tethering,telstra.internet,,,,,,,,,505,01,,DUN</string>
+ <!-- Configure mobile network MTU. Carrier specific value is set here.
+ -->
+ <integer name="config_mobile_mtu">1400</integer>
+
</resources>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index dd233c5..ab95d40 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1097,6 +1097,10 @@
players. -->
<integer name="config_safe_media_volume_index">10</integer>
+ <!-- Configure mobile network MTU. The standard default is set here but each carrier
+ may have a specific value set in an overlay config.xml file. -->
+ <integer name="config_mobile_mtu">1500</integer>
+
<!-- Whether WiFi display is supported by this device.
There are many prerequisites for this feature to work correctly.
Here are a few of them:
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index fcd56eb2..7b2a1b4 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -311,6 +311,8 @@
<java-symbol type="integer" name="config_lockSoundVolumeDb" />
<java-symbol type="integer" name="config_multiuserMaximumUsers" />
<java-symbol type="integer" name="config_safe_media_volume_index" />
+ <java-symbol type="integer" name="config_mobile_mtu" />
+
<java-symbol type="color" name="tab_indicator_text_v4" />
<java-symbol type="dimen" name="accessibility_touch_slop" />
diff --git a/core/tests/coretests/src/android/net/LinkPropertiesTest.java b/core/tests/coretests/src/android/net/LinkPropertiesTest.java
index 7e70c6b..63dd86f 100644
--- a/core/tests/coretests/src/android/net/LinkPropertiesTest.java
+++ b/core/tests/coretests/src/android/net/LinkPropertiesTest.java
@@ -33,6 +33,7 @@
private static InetAddress GATEWAY1 = NetworkUtils.numericToInetAddress("75.208.8.1");
private static InetAddress GATEWAY2 = NetworkUtils.numericToInetAddress("69.78.8.1");
private static String NAME = "qmi0";
+ private static int MTU = 1500;
private static LinkAddress LINKADDRV4 = new LinkAddress(ADDRV4, 32);
private static LinkAddress LINKADDRV6 = new LinkAddress(ADDRV6, 128);
@@ -57,6 +58,9 @@
assertTrue(source.isIdenticalStackedLinks(target));
assertTrue(target.isIdenticalStackedLinks(source));
+ assertTrue(source.isIdenticalMtu(target));
+ assertTrue(target.isIdenticalMtu(source));
+
// Check result of equals().
assertTrue(source.equals(target));
assertTrue(target.equals(source));
@@ -88,6 +92,7 @@
// set 2 gateways
source.addRoute(new RouteInfo(GATEWAY1));
source.addRoute(new RouteInfo(GATEWAY2));
+ source.setMtu(MTU);
LinkProperties target = new LinkProperties();
@@ -99,6 +104,7 @@
target.addDns(DNS2);
target.addRoute(new RouteInfo(GATEWAY1));
target.addRoute(new RouteInfo(GATEWAY2));
+ target.setMtu(MTU);
assertLinkPropertiesEqual(source, target);
@@ -111,6 +117,7 @@
target.addDns(DNS2);
target.addRoute(new RouteInfo(GATEWAY1));
target.addRoute(new RouteInfo(GATEWAY2));
+ target.setMtu(MTU);
assertFalse(source.equals(target));
target.clear();
@@ -123,6 +130,7 @@
target.addDns(DNS2);
target.addRoute(new RouteInfo(GATEWAY1));
target.addRoute(new RouteInfo(GATEWAY2));
+ target.setMtu(MTU);
assertFalse(source.equals(target));
target.clear();
@@ -134,6 +142,7 @@
target.addDns(DNS2);
target.addRoute(new RouteInfo(GATEWAY1));
target.addRoute(new RouteInfo(GATEWAY2));
+ target.setMtu(MTU);
assertFalse(source.equals(target));
target.clear();
@@ -145,6 +154,19 @@
// change gateway
target.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress("75.208.8.2")));
target.addRoute(new RouteInfo(GATEWAY2));
+ target.setMtu(MTU);
+ assertFalse(source.equals(target));
+
+ target.clear();
+ target.setInterfaceName(NAME);
+ target.addLinkAddress(LINKADDRV4);
+ target.addLinkAddress(LINKADDRV6);
+ target.addDns(DNS1);
+ target.addDns(DNS2);
+ target.addRoute(GATEWAY1);
+ target.addRoute(GATEWAY2);
+ // change mtu
+ target.setMtu(1440);
assertFalse(source.equals(target));
} catch (Exception e) {
@@ -167,6 +189,7 @@
// set 2 gateways
source.addRoute(new RouteInfo(GATEWAY1));
source.addRoute(new RouteInfo(GATEWAY2));
+ source.setMtu(MTU);
LinkProperties target = new LinkProperties();
// Exchange order
@@ -177,6 +200,7 @@
target.addDns(DNS1);
target.addRoute(new RouteInfo(GATEWAY2));
target.addRoute(new RouteInfo(GATEWAY1));
+ target.setMtu(MTU);
assertLinkPropertiesEqual(source, target);
} catch (Exception e) {
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index 7f9dc26..c6981ca 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -2299,6 +2299,7 @@
}
thisNet.setTeardownRequested(false);
updateNetworkSettings(thisNet);
+ updateMtuSizeSettings(thisNet);
handleConnectivityChange(newNetType, false);
sendConnectedBroadcastDelayed(info, getConnectivityChangeDelay());
@@ -2636,6 +2637,26 @@
return routesChanged;
}
+ /**
+ * Reads the network specific MTU size from reources.
+ * and set it on it's iface.
+ */
+ private void updateMtuSizeSettings(NetworkStateTracker nt) {
+ final String iface = nt.getLinkProperties().getInterfaceName();
+ final int mtu = nt.getLinkProperties().getMtu();
+
+ if (mtu < 68 || mtu > 10000) {
+ loge("Unexpected mtu value: " + nt);
+ return;
+ }
+
+ try {
+ if (VDBG) log("Setting MTU size: " + iface + ", " + mtu);
+ mNetd.setMtu(iface, mtu);
+ } catch (Exception e) {
+ Slog.e(TAG, "exception in setMtu()" + e);
+ }
+ }
/**
* Reads the network specific TCP buffer sizes from SystemProperties
@@ -4774,4 +4795,3 @@
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, wakeupTime, intent);
}
}
-
diff --git a/services/java/com/android/server/NetworkManagementService.java b/services/java/com/android/server/NetworkManagementService.java
index dfcab29..82cc540 100644
--- a/services/java/com/android/server/NetworkManagementService.java
+++ b/services/java/com/android/server/NetworkManagementService.java
@@ -838,6 +838,18 @@
}
@Override
+ public void setMtu(String iface, int mtu) {
+ mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
+
+ final NativeDaemonEvent event;
+ try {
+ event = mConnector.execute("interface", "setmtu", iface, mtu);
+ } catch (NativeDaemonConnectorException e) {
+ throw e.rethrowAsParcelableException();
+ }
+ }
+
+ @Override
public void shutdown() {
// TODO: remove from aidl if nobody calls externally
mContext.enforceCallingOrSelfPermission(SHUTDOWN, TAG);
