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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/net/etherpkt.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/net/etherpkt.hh')
-rw-r--r--src/dev/net/etherpkt.hh95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/dev/net/etherpkt.hh b/src/dev/net/etherpkt.hh
new file mode 100644
index 000000000..4119578c3
--- /dev/null
+++ b/src/dev/net/etherpkt.hh
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2002-2005 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
+ * Lisa Hsu
+ */
+
+/* @file
+ * Reference counted class containing ethernet packet data
+ */
+
+#ifndef __DEV_NET_ETHERPKT_HH__
+#define __DEV_NET_ETHERPKT_HH__
+
+#include <cassert>
+#include <iosfwd>
+#include <memory>
+
+#include "base/types.hh"
+#include "sim/serialize.hh"
+
+/*
+ * Reference counted class containing ethernet packet data
+ */
+class EthPacketData
+{
+ public:
+ /*
+ * Pointer to packet data will be deleted
+ */
+ uint8_t *data;
+
+ /*
+ * Length of the current packet
+ */
+ unsigned length;
+
+ public:
+ EthPacketData()
+ : data(NULL), length(0)
+ { }
+
+ explicit EthPacketData(unsigned size)
+ : data(new uint8_t[size]), length(0)
+ { }
+
+ ~EthPacketData() { if (data) delete [] data; }
+
+ public:
+ /**
+ * This function pulls out the MAC source and destination addresses from
+ * the packet data and stores them in the caller specified buffers.
+ *
+ * @param src_addr The buffer to store the source MAC address.
+ * @param dst_addr The buffer to store the destination MAC address.
+ * @param length This is an inout parameter. The caller stores in this
+ * the size of the address buffers. On return, this will contain the
+ * actual address size stored in the buffers. (We assume that source
+ * address size is equal to that of the destination address.)
+ */
+ void packAddress(uint8_t *src_addr, uint8_t *dst_addr, unsigned &length);
+
+ void serialize(const std::string &base, CheckpointOut &cp) const;
+ void unserialize(const std::string &base, CheckpointIn &cp);
+
+ unsigned size() const { return length; }
+};
+
+typedef std::shared_ptr<EthPacketData> EthPacketPtr;
+
+#endif // __DEV_NET_ETHERPKT_HH__