Merge "Support adding NATT keepalive packet filter"
am: d157594a2a
Change-Id: I9618b519f4bd4d5f1edbcede3a3bd727110c2a7e
diff --git a/packages/NetworkStack/src/android/net/apf/ApfFilter.java b/packages/NetworkStack/src/android/net/apf/ApfFilter.java
index 663e2f1..359c859 100644
--- a/packages/NetworkStack/src/android/net/apf/ApfFilter.java
+++ b/packages/NetworkStack/src/android/net/apf/ApfFilter.java
@@ -39,6 +39,7 @@
import android.content.IntentFilter;
import android.net.LinkAddress;
import android.net.LinkProperties;
+import android.net.NattKeepalivePacketDataParcelable;
import android.net.TcpKeepalivePacketDataParcelable;
import android.net.apf.ApfGenerator.IllegalInstructionException;
import android.net.apf.ApfGenerator.Register;
@@ -1691,13 +1692,13 @@
}
/**
- * Add keepalive ack packet filter.
+ * Add TCP keepalive ack packet filter.
* This will add a filter to drop acks to the keepalive packet passed as an argument.
*
* @param slot The index used to access the filter.
* @param sentKeepalivePacket The attributes of the sent keepalive packet.
*/
- public synchronized void addKeepalivePacketFilter(final int slot,
+ public synchronized void addTcpKeepalivePacketFilter(final int slot,
final TcpKeepalivePacketDataParcelable sentKeepalivePacket) {
log("Adding keepalive ack(" + slot + ")");
if (null != mKeepaliveAcks.get(slot)) {
@@ -1711,6 +1712,18 @@
}
/**
+ * Add NATT keepalive packet filter.
+ * This will add a filter to drop NATT keepalive packet which is passed as an argument.
+ *
+ * @param slot The index used to access the filter.
+ * @param sentKeepalivePacket The attributes of the sent keepalive packet.
+ */
+ public synchronized void addNattKeepalivePacketFilter(final int slot,
+ final NattKeepalivePacketDataParcelable sentKeepalivePacket) {
+ Log.e(TAG, "APF add NATT keepalive filter is not implemented");
+ }
+
+ /**
* Remove keepalive packet filter.
*
* @param slot The index used to access the filter.
diff --git a/packages/NetworkStack/src/android/net/ip/IpClient.java b/packages/NetworkStack/src/android/net/ip/IpClient.java
index 96e09fa..dc74c04 100644
--- a/packages/NetworkStack/src/android/net/ip/IpClient.java
+++ b/packages/NetworkStack/src/android/net/ip/IpClient.java
@@ -29,6 +29,7 @@
import android.net.IpPrefix;
import android.net.LinkAddress;
import android.net.LinkProperties;
+import android.net.NattKeepalivePacketDataParcelable;
import android.net.NetworkStackIpMemoryStore;
import android.net.ProvisioningConfigurationParcelable;
import android.net.ProxyInfo;
@@ -371,6 +372,10 @@
private boolean mMulticastFiltering;
private long mStartTimeMillis;
+ /* This must match the definition in KeepaliveTracker.KeepaliveInfo */
+ private static final int TYPE_NATT = 1;
+ private static final int TYPE_TCP = 2;
+
/**
* Reading the snapshot is an asynchronous operation initiated by invoking
* Callback.startReadPacketFilter() and completed when the WiFi Service responds with an
@@ -553,6 +558,11 @@
IpClient.this.addKeepalivePacketFilter(slot, pkt);
}
@Override
+ public void addNattKeepalivePacketFilter(int slot, NattKeepalivePacketDataParcelable pkt) {
+ checkNetworkStackCallingPermission();
+ IpClient.this.addNattKeepalivePacketFilter(slot, pkt);
+ }
+ @Override
public void removeKeepalivePacketFilter(int slot) {
checkNetworkStackCallingPermission();
IpClient.this.removeKeepalivePacketFilter(slot);
@@ -691,11 +701,20 @@
}
/**
- * Called by WifiStateMachine to add keepalive packet filter before setting up
+ * Called by WifiStateMachine to add TCP keepalive packet filter before setting up
* keepalive offload.
*/
public void addKeepalivePacketFilter(int slot, @NonNull TcpKeepalivePacketDataParcelable pkt) {
- sendMessage(CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF, slot, 0 /* Unused */, pkt);
+ sendMessage(CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF, slot, TYPE_TCP, pkt);
+ }
+
+ /**
+ * Called by WifiStateMachine to add NATT keepalive packet filter before setting up
+ * keepalive offload.
+ */
+ public void addNattKeepalivePacketFilter(int slot,
+ @NonNull NattKeepalivePacketDataParcelable pkt) {
+ sendMessage(CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF, slot, TYPE_NATT, pkt);
}
/**
@@ -1607,9 +1626,16 @@
case CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF: {
final int slot = msg.arg1;
+ final int type = msg.arg2;
+
if (mApfFilter != null) {
- mApfFilter.addKeepalivePacketFilter(slot,
- (TcpKeepalivePacketDataParcelable) msg.obj);
+ if (type == TYPE_NATT) {
+ mApfFilter.addNattKeepalivePacketFilter(slot,
+ (NattKeepalivePacketDataParcelable) msg.obj);
+ } else {
+ mApfFilter.addTcpKeepalivePacketFilter(slot,
+ (TcpKeepalivePacketDataParcelable) msg.obj);
+ }
}
break;
}
diff --git a/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java b/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
index a0e508f..93ab3be 100644
--- a/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
+++ b/packages/NetworkStack/tests/src/android/net/apf/ApfTest.java
@@ -1553,7 +1553,7 @@
parcel.seq = seqNum;
parcel.ack = ackNum;
- apfFilter.addKeepalivePacketFilter(slot1, parcel);
+ apfFilter.addTcpKeepalivePacketFilter(slot1, parcel);
program = cb.getApfProgram();
// Verify IPv4 keepalive ack packet is dropped
@@ -1592,7 +1592,7 @@
ipv6Parcel.seq = seqNum;
ipv6Parcel.ack = ackNum;
- apfFilter.addKeepalivePacketFilter(slot1, ipv6Parcel);
+ apfFilter.addTcpKeepalivePacketFilter(slot1, ipv6Parcel);
program = cb.getApfProgram();
// Verify IPv6 keepalive ack packet is dropped
@@ -1614,8 +1614,8 @@
apfFilter.removeKeepalivePacketFilter(slot1);
// Verify multiple filters
- apfFilter.addKeepalivePacketFilter(slot1, parcel);
- apfFilter.addKeepalivePacketFilter(slot2, ipv6Parcel);
+ apfFilter.addTcpKeepalivePacketFilter(slot1, parcel);
+ apfFilter.addTcpKeepalivePacketFilter(slot2, ipv6Parcel);
program = cb.getApfProgram();
// Verify IPv4 keepalive ack packet is dropped
diff --git a/services/net/java/android/net/ip/IIpClient.aidl b/services/net/java/android/net/ip/IIpClient.aidl
index 1e77264..9989c52 100644
--- a/services/net/java/android/net/ip/IIpClient.aidl
+++ b/services/net/java/android/net/ip/IIpClient.aidl
@@ -17,6 +17,7 @@
import android.net.ProxyInfo;
import android.net.ProvisioningConfigurationParcelable;
+import android.net.NattKeepalivePacketDataParcelable;
import android.net.TcpKeepalivePacketDataParcelable;
/** @hide */
@@ -33,4 +34,5 @@
void addKeepalivePacketFilter(int slot, in TcpKeepalivePacketDataParcelable pkt);
void removeKeepalivePacketFilter(int slot);
void setL2KeyAndGroupHint(in String l2Key, in String groupHint);
+ void addNattKeepalivePacketFilter(int slot, in NattKeepalivePacketDataParcelable pkt);
}
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index ca1add8..37af461 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -567,6 +567,16 @@
protected void preventAutomaticReconnect() {
mPreventReconnectReceived.open();
}
+
+ @Override
+ protected void addKeepalivePacketFilter(Message msg) {
+ Log.i(TAG, "Add keepalive packet filter.");
+ }
+
+ @Override
+ protected void removeKeepalivePacketFilter(Message msg) {
+ Log.i(TAG, "Remove keepalive packet filter.");
+ }
};
assertEquals(mNetworkAgent.netId, nmNetworkCaptor.getValue().netId);