+++ /dev/null
-// -*- 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.
- *
- */
-
-#include "ARP.h"
-
-arp_for_protocol::arp_for_protocol(arp& a, uint16_t proto_num)
- : _arp(a), _proto_num(proto_num)
-{
- _arp.add(proto_num, this);
-}
-
-arp_for_protocol::~arp_for_protocol()
-{
- _arp.del(_proto_num);
-}
-
-arp::arp(interface* netif):
- _netif(netif),
- _proto(netif, eth_protocol_num::arp, [this] { return get_packet(); }),
- _rx_packets(
- _proto.receive(
- [this] (Packet p, ethernet_address ea) {
- return process_packet(std::move(p), ea);
- },
- [this](forward_hash& out_hash_data, Packet& p, size_t off) {
- return forward(out_hash_data, p, off);
- }
- )
- )
-{}
-
-Tub<l3_protocol::l3packet> arp::get_packet()
-{
- Tub<l3_protocol::l3packet> p;
- if (!_packetq.empty()) {
- p = std::move(_packetq.front());
- _packetq.pop_front();
- }
- return p;
-}
-
-bool arp::forward(forward_hash& out_hash_data, Packet& p, size_t off)
-{
- auto ah = p.get_header<arp_hdr>(off);
- auto i = _arp_for_protocol.find(ntoh(ah->ptype));
- if (i != _arp_for_protocol.end()) {
- return i->second->forward(out_hash_data, p, off);
- }
- return false;
-}
-
-void arp::add(uint16_t proto_num, arp_for_protocol* afp)
-{
- _arp_for_protocol[proto_num] = afp;
-}
-
-void arp::del(uint16_t proto_num)
-{
- _arp_for_protocol.erase(proto_num);
-}
-
-int arp::process_packet(Packet p, ethernet_address from)
-{
- auto ah = p.get_header<arp_hdr>()->ntoh();
- auto i = _arp_for_protocol.find(ah.ptype);
- if (i != _arp_for_protocol.end()) {
- i->second->received(std::move(p));
- }
- return 0;
-}