c3a640db94
Test: build, atest Signed-off-by: Maciej Żenczykowski <maze@google.com> Change-Id: I9e2a7e049746ad193eea01e7c9d6786d27728c72
86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LOG_TAG
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#define LOG_TAG "bpfloader"
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#endif
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#include <arpa/inet.h>
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#include <dirent.h>
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#include <elf.h>
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#include <error.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <linux/bpf.h>
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#include <linux/unistd.h>
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#include <net/if.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <android-base/unique_fd.h>
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#include <libbpf_android.h>
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#include <log/log.h>
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#include <netdutils/Misc.h>
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#include <netdutils/Slice.h>
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#include "bpf/BpfUtils.h"
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using android::base::EndsWith;
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using std::string;
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#define BPF_PROG_PATH "/system/etc/bpf/"
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void loadAllElfObjects(void) {
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DIR* dir;
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struct dirent* ent;
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if ((dir = opendir(BPF_PROG_PATH)) != NULL) {
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while ((ent = readdir(dir)) != NULL) {
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string s = ent->d_name;
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if (!EndsWith(s, ".o")) continue;
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string progPath = BPF_PROG_PATH + s;
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int ret = android::bpf::loadProg(progPath.c_str());
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ALOGI("Attempted load object: %s, ret: %s", progPath.c_str(), std::strerror(-ret));
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}
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closedir(dir);
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}
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}
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int main() {
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if (android::bpf::isBpfSupported()) {
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// Load all ELF objects, create programs and maps, and pin them
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loadAllElfObjects();
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}
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if (android::base::SetProperty("bpf.progs_loaded", "1") == false) {
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ALOGE("Failed to set bpf.progs_loaded property\n");
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return 1;
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}
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return 0;
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}
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