extern const struct ksock_proto ksocknal_protocol_v1x;
extern const struct ksock_proto ksocknal_protocol_v2x;
extern const struct ksock_proto ksocknal_protocol_v3x;
+extern const struct ksock_proto ksocknal_protocol_v4x;
#define KSOCK_PROTO_V1_MAJOR LNET_PROTO_TCP_VERSION_MAJOR
#define KSOCK_PROTO_V1_MINOR LNET_PROTO_TCP_VERSION_MINOR