+#define SOCK_PASSCRED 3
+#define SOCK_USER_SOCKET 4
+
+#ifndef ARCH_HAS_SOCKET_TYPES
+/**
+ * enum sock_type - Socket types
+ * @SOCK_STREAM: stream (connection) socket
+ * @SOCK_DGRAM: datagram (conn.less) socket
+ * @SOCK_RAW: raw socket
+ * @SOCK_RDM: reliably-delivered message
+ * @SOCK_SEQPACKET: sequential packet socket
+ * @SOCK_DCCP: Datagram Congestion Control Protocol socket
+ * @SOCK_PACKET: linux specific way of getting packets at the dev level.
+ * For writing rarp and other similar things on the user level.
+ *
+ * When adding some new socket type please
+ * grep ARCH_HAS_SOCKET_TYPE include/asm-* /socket.h, at least MIPS
+ * overrides this enum for binary compat reasons.
+ */
+enum sock_type {
+ SOCK_STREAM = 1,
+ SOCK_DGRAM = 2,
+ SOCK_RAW = 3,
+ SOCK_RDM = 4,
+ SOCK_SEQPACKET = 5,
+ SOCK_DCCP = 6,
+ SOCK_PACKET = 10,
+};
+
+#define SOCK_MAX (SOCK_PACKET + 1)
+
+#endif /* ARCH_HAS_SOCKET_TYPES */