Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 19 insertions, 0 deletions

diff --git a/samples/bpf/libbpf.c b/samples/bpf/libbpf.c
index 7e1efa7e2..65a8d48d2 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;