From d4fe2c3a5030e378fe2b9aa24ac1a9d4f6970c74 Mon Sep 17 00:00:00 2001
From: Motomu Utsumi <motomuman@google.com>
Date: Mon, 23 Oct 2023 16:53:51 +0900
Subject: [PATCH] Add java class for Ingress discard bpf map key value

Bug: 295800201
Test: TH
Change-Id: Ic9ac423aee2a8fb9709b0acf012ec57cdfa019f9
---
 .../module/util/bpf/IngressDiscardKey.java    | 32 +++++++++++++++++
 .../module/util/bpf/IngressDiscardValue.java  | 34 +++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 common/src/com/android/net/module/util/bpf/IngressDiscardKey.java
 create mode 100644 common/src/com/android/net/module/util/bpf/IngressDiscardValue.java

diff --git a/common/src/com/android/net/module/util/bpf/IngressDiscardKey.java b/common/src/com/android/net/module/util/bpf/IngressDiscardKey.java
new file mode 100644
index 0000000000..eabcf3cce7
--- /dev/null
+++ b/common/src/com/android/net/module/util/bpf/IngressDiscardKey.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 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 may 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.
+ */
+
+package com.android.net.module.util.bpf;
+
+import com.android.net.module.util.Struct;
+
+import java.net.Inet6Address;
+
+/** Key type for ingress discard map */
+public class IngressDiscardKey extends Struct {
+    // The destination ip of the incoming packet. IPv4 uses IPv4-mapped IPv6 address.
+    @Field(order = 0, type = Type.Ipv6Address)
+    public final Inet6Address dstAddr;
+
+    public IngressDiscardKey(final Inet6Address dstAddr) {
+        this.dstAddr = dstAddr;
+    }
+}
diff --git a/common/src/com/android/net/module/util/bpf/IngressDiscardValue.java b/common/src/com/android/net/module/util/bpf/IngressDiscardValue.java
new file mode 100644
index 0000000000..7df3620f41
--- /dev/null
+++ b/common/src/com/android/net/module/util/bpf/IngressDiscardValue.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2023 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 may 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.
+ */
+
+package com.android.net.module.util.bpf;
+
+import com.android.net.module.util.Struct;
+
+/** Value type for ingress discard map */
+public class IngressDiscardValue extends Struct {
+    // Allowed interface indexes.
+    // Use the same value for iif1 and iif2 if there is only a single allowed interface index.
+    @Field(order = 0, type = Type.S32)
+    public final int iif1;
+    @Field(order = 1, type = Type.S32)
+    public final int iif2;
+
+    public IngressDiscardValue(final int iif1, final int iif2) {
+        this.iif1 = iif1;
+        this.iif2 = iif2;
+    }
+}