diff options
Diffstat (limited to 'dev/pktfifo.cc')
-rw-r--r-- | dev/pktfifo.cc | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/dev/pktfifo.cc b/dev/pktfifo.cc deleted file mode 100644 index 922a66912..000000000 --- a/dev/pktfifo.cc +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (c) 2004-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "base/misc.hh" -#include "dev/pktfifo.hh" - -using namespace std; - -bool -PacketFifo::copyout(void *dest, int offset, int len) -{ - char *data = (char *)dest; - if (offset + len >= size()) - return false; - - list<EthPacketPtr>::iterator p = fifo.begin(); - list<EthPacketPtr>::iterator end = fifo.end(); - while (len > 0) { - while (offset >= (*p)->length) { - offset -= (*p)->length; - ++p; - } - - if (p == end) - panic("invalid fifo"); - - int size = min((*p)->length - offset, len); - memcpy(data, (*p)->data, size); - offset = 0; - len -= size; - data += size; - ++p; - } - - return true; -} - - -void -PacketFifo::serialize(const string &base, ostream &os) -{ - paramOut(os, base + ".size", _size); - paramOut(os, base + ".maxsize", _maxsize); - paramOut(os, base + ".reserved", _reserved); - paramOut(os, base + ".packets", fifo.size()); - - int i = 0; - list<EthPacketPtr>::iterator p = fifo.begin(); - list<EthPacketPtr>::iterator end = fifo.end(); - while (p != end) { - (*p)->serialize(csprintf("%s.packet%d", base, i), os); - ++p; - ++i; - } -} - -void -PacketFifo::unserialize(const string &base, Checkpoint *cp, - const string §ion) -{ - paramIn(cp, section, base + ".size", _size); -// paramIn(cp, section, base + ".maxsize", _maxsize); - paramIn(cp, section, base + ".reserved", _reserved); - int fifosize; - paramIn(cp, section, base + ".packets", fifosize); - - fifo.clear(); - - for (int i = 0; i < fifosize; ++i) { - EthPacketPtr p = new EthPacketData(16384); - p->unserialize(csprintf("%s.packet%d", base, i), cp, section); - fifo.push_back(p); - } -} |