initial code repo

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

diff --git a/src/ceph/src/msg/async/dpdk/ethernet.h b/src/ceph/src/msg/async/dpdk/ethernet.h
new file mode 100644 (file)
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+++ b/src/ceph/src/msg/async/dpdk/ethernet.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.
+ */
+
+#ifndef CEPH_MSG_ETHERNET_H_
+#define CEPH_MSG_ETHERNET_H_
+
+#include <array>
+#include <sstream>
+
+#include "include/assert.h"
+#include "byteorder.h"
+
+struct ethernet_address {
+  ethernet_address() {}
+
+  ethernet_address(const uint8_t *eaddr) {
+    std::copy(eaddr, eaddr + 6, mac.begin());
+  }
+
+  ethernet_address(std::initializer_list<uint8_t> eaddr) {
+    assert(eaddr.size() == mac.size());
+    std::copy(eaddr.begin(), eaddr.end(), mac.begin());
+  }
+
+  ethernet_address ntoh() {
+    return *this;
+  }
+  ethernet_address hton() {
+    return *this;
+  }
+  std::array<uint8_t, 6> mac;
+} __attribute__((packed));
+
+inline bool operator==(const ethernet_address& a, const ethernet_address& b) {
+  return a.mac == b.mac;
+}
+std::ostream& operator<<(std::ostream& os, const ethernet_address& ea);
+
+struct ethernet {
+  using address = ethernet_address;
+  static address broadcast_address() {
+      return  {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+  }
+  static constexpr uint16_t arp_hardware_type() { return 1; }
+};
+
+struct eth_hdr {
+  ethernet_address dst_mac;
+  ethernet_address src_mac;
+  uint16_t eth_proto;
+  eth_hdr hton() {
+    eth_hdr hdr = *this;
+    hdr.eth_proto = ::hton(eth_proto);
+    return hdr;
+  }
+  eth_hdr ntoh() {
+    eth_hdr hdr = *this;
+    hdr.eth_proto = ::ntoh(eth_proto);
+    return hdr;
+  }
+} __attribute__((packed));
+
+ethernet_address parse_ethernet_address(std::string addr);
+
+#endif /* CEPH_MSG_ETHERNET_H_ */