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authorAndreas Sandberg <andreas.sandberg@arm.com>2015-12-10 10:35:18 +0000
committerAndreas Sandberg <andreas.sandberg@arm.com>2015-12-10 10:35:18 +0000
commit23c961a0fd97251ee7c760bc2ff2a011a417ad9b (patch)
tree0481b7552303373cd3722156b1cef92d813de215 /src/dev/pktfifo.hh
parentef097ac4381ad2f14acda640ae198f04d9f7988d (diff)
downloadgem5-23c961a0fd97251ee7c760bc2ff2a011a417ad9b.tar.xz
dev: Move network devices to src/dev/net/
--HG-- rename : src/dev/Ethernet.py => src/dev/net/Ethernet.py rename : src/dev/etherbus.cc => src/dev/net/etherbus.cc rename : src/dev/etherbus.hh => src/dev/net/etherbus.hh rename : src/dev/etherdevice.cc => src/dev/net/etherdevice.cc rename : src/dev/etherdevice.hh => src/dev/net/etherdevice.hh rename : src/dev/etherdump.cc => src/dev/net/etherdump.cc rename : src/dev/etherdump.hh => src/dev/net/etherdump.hh rename : src/dev/etherint.cc => src/dev/net/etherint.cc rename : src/dev/etherint.hh => src/dev/net/etherint.hh rename : src/dev/etherlink.cc => src/dev/net/etherlink.cc rename : src/dev/etherlink.hh => src/dev/net/etherlink.hh rename : src/dev/etherobject.hh => src/dev/net/etherobject.hh rename : src/dev/etherpkt.cc => src/dev/net/etherpkt.cc rename : src/dev/etherpkt.hh => src/dev/net/etherpkt.hh rename : src/dev/ethertap.cc => src/dev/net/ethertap.cc rename : src/dev/ethertap.hh => src/dev/net/ethertap.hh rename : src/dev/i8254xGBe.cc => src/dev/net/i8254xGBe.cc rename : src/dev/i8254xGBe.hh => src/dev/net/i8254xGBe.hh rename : src/dev/i8254xGBe_defs.hh => src/dev/net/i8254xGBe_defs.hh rename : src/dev/multi_etherlink.cc => src/dev/net/multi_etherlink.cc rename : src/dev/multi_etherlink.hh => src/dev/net/multi_etherlink.hh rename : src/dev/multi_iface.cc => src/dev/net/multi_iface.cc rename : src/dev/multi_iface.hh => src/dev/net/multi_iface.hh rename : src/dev/multi_packet.cc => src/dev/net/multi_packet.cc rename : src/dev/multi_packet.hh => src/dev/net/multi_packet.hh rename : src/dev/ns_gige.cc => src/dev/net/ns_gige.cc rename : src/dev/ns_gige.hh => src/dev/net/ns_gige.hh rename : src/dev/ns_gige_reg.h => src/dev/net/ns_gige_reg.h rename : src/dev/pktfifo.cc => src/dev/net/pktfifo.cc rename : src/dev/pktfifo.hh => src/dev/net/pktfifo.hh rename : src/dev/sinic.cc => src/dev/net/sinic.cc rename : src/dev/sinic.hh => src/dev/net/sinic.hh rename : src/dev/sinicreg.hh => src/dev/net/sinicreg.hh rename : src/dev/tcp_iface.cc => src/dev/net/tcp_iface.cc rename : src/dev/tcp_iface.hh => src/dev/net/tcp_iface.hh
Diffstat (limited to 'src/dev/pktfifo.hh')
-rw-r--r--src/dev/pktfifo.hh211
1 files changed, 0 insertions, 211 deletions
diff --git a/src/dev/pktfifo.hh b/src/dev/pktfifo.hh
deleted file mode 100644
index ea5803026..000000000
--- a/src/dev/pktfifo.hh
+++ /dev/null
@@ -1,211 +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.
- *
- * Authors: Nathan Binkert
- */
-
-#ifndef __DEV_PKTFIFO_HH__
-#define __DEV_PKTFIFO_HH__
-
-#include <iosfwd>
-#include <list>
-#include <string>
-
-#include "dev/etherpkt.hh"
-#include "sim/serialize.hh"
-
-class Checkpoint;
-
-struct PacketFifoEntry
-{
- EthPacketPtr packet;
- uint64_t number;
- unsigned slack;
- int priv;
-
- PacketFifoEntry()
- {
- clear();
- }
-
- PacketFifoEntry(const PacketFifoEntry &s)
- : packet(s.packet), number(s.number), slack(s.slack), priv(s.priv)
- {
- }
-
- PacketFifoEntry(EthPacketPtr p, uint64_t n)
- : packet(p), number(n), slack(0), priv(-1)
- {
- }
-
- void clear()
- {
- packet = NULL;
- number = 0;
- slack = 0;
- priv = -1;
- }
-
- void serialize(const std::string &base, CheckpointOut &cp) const;
- void unserialize(const std::string &base, CheckpointIn &cp);
-};
-
-class PacketFifo
-{
- public:
-
- typedef std::list<PacketFifoEntry> fifo_list;
- typedef fifo_list::iterator iterator;
- typedef fifo_list::const_iterator const_iterator;
-
- protected:
- std::list<PacketFifoEntry> fifo;
- uint64_t _counter;
- unsigned _maxsize;
- unsigned _size;
- unsigned _reserved;
-
- public:
- explicit PacketFifo(int max)
- : _counter(0), _maxsize(max), _size(0), _reserved(0) {}
- virtual ~PacketFifo() {}
-
- unsigned packets() const { return fifo.size(); }
- unsigned maxsize() const { return _maxsize; }
- unsigned size() const { return _size; }
- unsigned reserved() const { return _reserved; }
- unsigned avail() const { return _maxsize - _size - _reserved; }
- bool empty() const { return size() <= 0; }
- bool full() const { return avail() <= 0; }
-
- unsigned
- reserve(unsigned len = 0)
- {
- _reserved += len;
- assert(avail() >= 0);
- return _reserved;
- }
-
- iterator begin() { return fifo.begin(); }
- iterator end() { return fifo.end(); }
-
- const_iterator begin() const { return fifo.begin(); }
- const_iterator end() const { return fifo.end(); }
-
- EthPacketPtr front() { return fifo.begin()->packet; }
-
- bool push(EthPacketPtr ptr)
- {
- assert(ptr->length);
- assert(_reserved <= ptr->length);
- if (avail() < ptr->length - _reserved)
- return false;
-
- _size += ptr->length;
-
- PacketFifoEntry entry;
- entry.packet = ptr;
- entry.number = _counter++;
- fifo.push_back(entry);
- _reserved = 0;
- return true;
- }
-
- void pop()
- {
- if (empty())
- return;
-
- iterator entry = fifo.begin();
- _size -= entry->packet->length;
- _size -= entry->slack;
- entry->packet = NULL;
- fifo.pop_front();
- }
-
- void clear()
- {
- for (iterator i = begin(); i != end(); ++i)
- i->clear();
- fifo.clear();
- _size = 0;
- _reserved = 0;
- }
-
- void remove(iterator i)
- {
- if (i != fifo.begin()) {
- iterator prev = i;
- --prev;
- assert(prev != fifo.end());
- prev->slack += i->packet->length;
- prev->slack += i->slack;
- } else {
- _size -= i->packet->length;
- _size -= i->slack;
- }
-
- i->clear();
- fifo.erase(i);
- }
-
- bool copyout(void *dest, unsigned offset, unsigned len);
-
- int countPacketsBefore(const_iterator i) const
- {
- if (i == fifo.end())
- return 0;
- return i->number - fifo.begin()->number;
- }
-
- int countPacketsAfter(const_iterator i) const
- {
- auto end = fifo.end();
- if (i == end)
- return 0;
- return (--end)->number - i->number;
- }
-
- void check() const
- {
- unsigned total = 0;
- for (auto i = begin(); i != end(); ++i)
- total += i->packet->length + i->slack;
-
- if (total != _size)
- panic("total (%d) is not == to size (%d)\n", total, _size);
- }
-
-/**
- * Serialization stuff
- */
- public:
- void serialize(const std::string &base, CheckpointOut &cp) const;
- void unserialize(const std::string &base, CheckpointIn &cp);
-};
-
-#endif // __DEV_PKTFIFO_HH__