1 files changed, 76 insertions, 0 deletions
diff --git a/src/dev/net/etherint.hh b/src/dev/net/etherint.hh
new file mode 100644
index 000000000..a11d02681
--- /dev/null
+++ b/src/dev/net/etherint.hh
@@ -0,0 +1,76 @@
+/*
+ * 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
+ */
+
+/* @file
+ * Class representing the actual interface between two ethernet
+ * components.
+ */
+
+#ifndef __DEV_NET_ETHERINT_HH__
+#define __DEV_NET_ETHERINT_HH__
+
+#include <string>
+
+#include "dev/net/etherpkt.hh"
+
+/*
+ * Class representing the actual interface between two ethernet
+ * components.  These components are intended to attach to another
+ * ethernet interface on one side and whatever device on the other.
+ */
+class EtherInt
+{
+  protected:
+    mutable std::string portName;
+    EtherInt *peer;
+
+  public:
+    EtherInt(const std::string &name)
+        : portName(name), peer(NULL) {}
+    virtual ~EtherInt() {}
+
+    /** Return port name (for DPRINTF). */
+    const std::string &name() const { return portName; }
+
+    void setPeer(EtherInt *p);
+    EtherInt* getPeer() { return peer; }
+
+    void recvDone() { peer->sendDone(); }
+    virtual void sendDone() = 0;
+
+    bool sendPacket(EthPacketPtr packet)
+    { return peer ? peer->recvPacket(packet) : true; }
+    virtual bool recvPacket(EthPacketPtr packet) = 0;
+
+    bool askBusy() {return peer->isBusy(); }
+    virtual bool isBusy() { return false; }
+};
+
+#endif // __DEV_NET_ETHERINT_HH__