These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / samples / bpf / libbpf.c

diff --git a/kernel/samples/bpf/libbpf.c b/kernel/samples/bpf/libbpf.c
index 7e1efa7..65a8d48 100644 (file)
--- a/kernel/samples/bpf/libbpf.c
+++ b/kernel/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;