diff --git a/unix/syscall_linux_mips64x.go b/unix/syscall_linux_mips64x.go
index 06dec06..27aee81 100644
--- a/unix/syscall_linux_mips64x.go
+++ b/unix/syscall_linux_mips64x.go
@@ -217,6 +217,10 @@
 	cmsg.Len = uint64(length)
 }
 
+func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
+	rsa.Service_name_len = uint64(length)
+}
+
 func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }