bpf/progs/Android.bp

//
// Copyright (C) 2020 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.
//

//
// struct definitions shared with JNI
//
package {
    default_team: "trendy_team_fwk_core_networking",
    default_applicable_licenses: ["Android-Apache-2.0"],
}

cc_library_headers {
    name: "bpf_connectivity_headers",
    vendor_available: false,
    host_supported: false,
    header_libs: [
        "bpf_headers",
        "netd_mainline_headers",
    ],
    export_header_lib_headers: [
        "bpf_headers",
        "netd_mainline_headers",
    ],
    export_include_dirs: ["."],
    cflags: [
        "-Wall",
        "-Werror",
        "-Wextra",
    ],
    sdk_version: "30",
    min_sdk_version: "30",
    apex_available: [
        "//apex_available:platform",
        "com.android.tethering",
    ],
    visibility: [
        "//packages/modules/Connectivity/bpf/dns_helper",
        "//packages/modules/Connectivity/bpf/netd",
        "//packages/modules/Connectivity/service",
        "//packages/modules/Connectivity/service/native/libs/libclat",
        "//packages/modules/Connectivity/Tethering",
        "//packages/modules/Connectivity/service/native",
        "//packages/modules/Connectivity/tests/native/connectivity_native_test",
        "//packages/modules/Connectivity/tests/native/utilities",
        "//packages/modules/Connectivity/service-t/native/libs/libnetworkstats",
        "//packages/modules/Connectivity/tests/unit/jni",
    ],
}

//
// bpf kernel programs
//
bpf {
    name: "dscpPolicy.o",
    srcs: ["dscpPolicy.c"],
    sub_dir: "net_shared",
}

// Ships to Android S, the bpfloader of which fails to parse BTF enabled .o's.
bpf {
    name: "offload.o",
    srcs: ["offload.c"],
    btf: false,
}

// This version ships to Android T+ which uses mainline netbpfload.
bpf {
    name: "offload@mainline.o",
    srcs: ["offload@mainline.c"],
    cflags: ["-DMAINLINE"],
}

// Ships to Android S, the bpfloader of which fails to parse BTF enabled .o's.
bpf {
    name: "test.o",
    srcs: ["test.c"],
    btf: false,
}

// This version ships to Android T+ which uses mainline netbpfload.
bpf {
    name: "test@mainline.o",
    srcs: ["test@mainline.c"],
    cflags: ["-DMAINLINE"],
}

bpf {
    name: "clatd.o",
    srcs: ["clatd.c"],
    sub_dir: "net_shared",
}

bpf {
    // WARNING: Android T's non-updatable netd depends on 'netd' string for xt_bpf programs it loads
    name: "netd.o",
    srcs: ["netd.c"],
    // WARNING: Android T's non-updatable netd depends on 'netd_shared' string for xt_bpf programs
    sub_dir: "netd_shared",
}