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Diffstat (limited to 'src/msg/async/dpdk/ethernet.h')
-rw-r--r-- | src/msg/async/dpdk/ethernet.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/msg/async/dpdk/ethernet.h b/src/msg/async/dpdk/ethernet.h new file mode 100644 index 00000000..b007425f --- /dev/null +++ b/src/msg/async/dpdk/ethernet.h @@ -0,0 +1,84 @@ +// -*- 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/ceph_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) { + ceph_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_ */ |