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-rw-r--r--samples/bpf/libbpf.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/samples/bpf/libbpf.c b/samples/bpf/libbpf.c
index 7e1efa7..65a8d48 100644
--- a/samples/bpf/libbpf.c
+++ b/samples/bpf/libbpf.c
@@ -103,6 +103,25 @@ int bpf_prog_load(enum bpf_prog_type prog_type,
return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
}
+int bpf_obj_pin(int fd, const char *pathname)
+{
+ union bpf_attr attr = {
+ .pathname = ptr_to_u64((void *)pathname),
+ .bpf_fd = fd,
+ };
+
+ return syscall(__NR_bpf, BPF_OBJ_PIN, &attr, sizeof(attr));
+}
+
+int bpf_obj_get(const char *pathname)
+{
+ union bpf_attr attr = {
+ .pathname = ptr_to_u64((void *)pathname),
+ };
+
+ return syscall(__NR_bpf, BPF_OBJ_GET, &attr, sizeof(attr));
+}
+
int open_raw_sock(const char *name)
{
struct sockaddr_ll sll;
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