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NetBpfLoad: Allow loadObject to load BPF object by libbpf

Browse source 
Bug: 428792764
Flag: EXEMPT no-op
Test: TH
Test: ag/34714170

Change-Id: I70ad52c2df2fdbce1250b152444328daebb72be5
This commit is contained in:
Motomu Utsumi 2025-07-23 12:59:23 +09:00
commit e50e55dd32
1 changed files with 8 additions and 6 deletions
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14
bpf/loader/NetBpfLoad.cpp
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@ -1555,8 +1555,8 @@ static int pinProgs(const char* const elfPath, const struct bpf_object * obj,
return 0;
}
__unused static int loadProgByLibbpf(const char* const elfPath, const unsigned int bpfloader_ver,
const char* const prefix) {
static int loadProgByLibbpf(const char* const elfPath, const unsigned int bpfloader_ver,
const char* const prefix) {
int ret;
vector<string> mapNames;
vector<struct bpf_map_def> md;
@ -1656,14 +1656,16 @@ static bool exists(const char* const path) {
#define BPFROOT APEXROOT "/etc/bpf/mainline/"
static int loadObject(const unsigned int bpfloader_ver, const char* const prefix,
const char* const fname) {
const char* const fname, const bool useLibbpf = false) {
string progPath = string(BPFROOT) + fname;
int ret = loadProg(progPath.c_str(), bpfloader_ver, prefix);
int ret = useLibbpf ? loadProgByLibbpf(progPath.c_str(), bpfloader_ver, prefix) :
loadProg(progPath.c_str(), bpfloader_ver, prefix);
if (ret) {
ALOGE("Failed to load object: %s, ret: %s", progPath.c_str(), std::strerror(-ret));
ALOGE("Failed to load object: %s, ret: %s, libbpf: %d",
progPath.c_str(), std::strerror(-ret), useLibbpf);
return 1;
}
ALOGD("Loaded object: %s", progPath.c_str());
ALOGD("Loaded object: %s, libbpf: %d", progPath.c_str(), useLibbpf);
return 0;
}