etherpkt.cc revision 10923
12SN/A/* 21762SN/A * Copyright (c) 2004-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu */ 302665Ssaidi@eecs.umich.edu 312SN/A#include <iostream> 322SN/A 332SN/A#include "base/misc.hh" 342SN/A#include "base/inet.hh" 352SN/A#include "dev/etherpkt.hh" 362SN/A#include "sim/serialize.hh" 372SN/A 383971Sgblack@eecs.umich.eduusing namespace std; 3956SN/A 4056SN/Avoid 411158SN/AEthPacketData::serialize(const string &base, CheckpointOut &cp) const 42146SN/A{ 431858SN/A paramOut(cp, base + ".length", length); 442680Sktlim@umich.edu arrayParamOut(cp, base + ".data", data, length); 452378SN/A} 462522SN/A 472401SN/Avoid 484762Snate@binkert.orgEthPacketData::unserialize(const string &base, CheckpointIn &cp) 49360SN/A{ 504434Ssaidi@eecs.umich.edu paramIn(cp, base + ".length", length); 51695SN/A if (length) 522093SN/A arrayParamIn(cp, base + ".data", data, length); 532378SN/A} 542SN/A 552715Sstever@eecs.umich.eduvoid 562715Sstever@eecs.umich.eduEthPacketData::packAddress(uint8_t *src_addr, 572715Sstever@eecs.umich.edu uint8_t *dst_addr, 582715Sstever@eecs.umich.edu unsigned &nbytes) 592715Sstever@eecs.umich.edu{ 602715Sstever@eecs.umich.edu Net::EthHdr *hdr = (Net::EthHdr *)data; 612715Sstever@eecs.umich.edu assert(hdr->src().size() == hdr->dst().size()); 622715Sstever@eecs.umich.edu if (nbytes < hdr->src().size()) 632715Sstever@eecs.umich.edu panic("EthPacketData::packAddress() Buffer overflow"); 644157Sgblack@eecs.umich.edu 654166Sgblack@eecs.umich.edu memcpy(dst_addr, hdr->dst().bytes(), hdr->dst().size()); 662715Sstever@eecs.umich.edu memcpy(src_addr, hdr->src().bytes(), hdr->src().size()); 672715Sstever@eecs.umich.edu 682715Sstever@eecs.umich.edu nbytes = hdr->src().size(); 692715Sstever@eecs.umich.edu} 702715Sstever@eecs.umich.edu 712SN/A