1 files changed, 37 insertions, 0 deletions
diff --git a/include/mainline/XtBpfProgLocations.h b/include/mainline/XtBpfProgLocations.h
new file mode 100644
index 00000000..95a5742c
--- /dev/null
+++ b/include/mainline/XtBpfProgLocations.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#pragma once
+
+/* -=-=-=-=-= WARNING -=-=-=-=-=-
+ *
+ * DO *NOT* *EVER* CHANGE THESE - they *MUST* match what the Tethering mainline module provides!
+ *
+ * You cannot even change them in sync, since newer module must work on older Android T releases.
+ *
+ * You could with difficulty, uprevs of the bpfloader, api detection logic in mainline, etc,
+ * change this in Android U or later, but even that is a very bad idea and not worth the hassle.
+ *
+ *
+ * Mainline Tethering module on T+ is expected to make available to netd (for use by
+ * BandwidthController iptables initialization code) four xt_bpf programs at the following
+ * locations:
+ */
+#define XT_BPF_NETD(NAME) "/sys/fs/bpf/netd_shared/prog_netd_skfilter_" NAME "_xtbpf"
+#define XT_BPF_ALLOWLIST_PROG_PATH XT_BPF_NETD("allowlist")
+#define XT_BPF_DENYLIST_PROG_PATH  XT_BPF_NETD("denylist")
+#define XT_BPF_EGRESS_PROG_PATH    XT_BPF_NETD("egress")
+#define XT_BPF_INGRESS_PROG_PATH   XT_BPF_NETD("ingress")