initial code repo

[stor4nfv.git] / src / ceph / src / msg / async / dpdk / byteorder.h

diff --git a/src/ceph/src/msg/async/dpdk/byteorder.h b/src/ceph/src/msg/async/dpdk/byteorder.h
new file mode 100644 (file)
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+++ b/src/ceph/src/msg/async/dpdk/byteorder.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+/*
+ * This file is open source software, licensed to you under the terms
+ * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership.  You may not use this file except in compliance with the License.
+ *
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/*
+ * Copyright (C) 2014 Cloudius Systems, Ltd.
+ */
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2015 XSky <haomai@xsky.com>
+ *
+ * Author: Haomai Wang <haomaiwang@gmail.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_MSG_BYTEORDER_H_
+#define CEPH_MSG_BYTEORDER_H_
+
+#include <arpa/inet.h>  // for ntohs() and friends
+#include <iosfwd>
+#include <utility>
+
+inline uint64_t ntohq(uint64_t v) {
+  return __builtin_bswap64(v);
+}
+inline uint64_t htonq(uint64_t v) {
+  return __builtin_bswap64(v);
+}
+
+inline void ntoh() {}
+inline void hton() {}
+
+inline uint8_t ntoh(uint8_t x) { return x; }
+inline uint8_t hton(uint8_t x) { return x; }
+inline uint16_t ntoh(uint16_t x) { return ntohs(x); }
+inline uint16_t hton(uint16_t x) { return htons(x); }
+inline uint32_t ntoh(uint32_t x) { return ntohl(x); }
+inline uint32_t hton(uint32_t x) { return htonl(x); }
+inline uint64_t ntoh(uint64_t x) { return ntohq(x); }
+inline uint64_t hton(uint64_t x) { return htonq(x); }
+
+inline int8_t ntoh(int8_t x) { return x; }
+inline int8_t hton(int8_t x) { return x; }
+inline int16_t ntoh(int16_t x) { return ntohs(x); }
+inline int16_t hton(int16_t x) { return htons(x); }
+inline int32_t ntoh(int32_t x) { return ntohl(x); }
+inline int32_t hton(int32_t x) { return htonl(x); }
+inline int64_t ntoh(int64_t x) { return ntohq(x); }
+inline int64_t hton(int64_t x) { return htonq(x); }
+
+#endif /* CEPH_MSG_BYTEORDER_H_ */