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authorAli Saidi <saidi@eecs.umich.edu>2007-04-30 13:09:13 -0400
committerAli Saidi <saidi@eecs.umich.edu>2007-04-30 13:09:13 -0400
commitae4208f3a32bc829283a9998aa6f6fcebea7ca77 (patch)
tree747c85acab75e003361492cb1656c8e89b189c06 /src/dev
parent6e60d5c12f6cb8043657fd28638a81ce215dd92b (diff)
downloadgem5-ae4208f3a32bc829283a9998aa6f6fcebea7ca77.tar.xz
add the ability for the ethernet device to check if the link is busy
--HG-- extra : convert_revision : 0dc0c4c4546869261f4508ad22a6a85aecf3c334
Diffstat (limited to 'src/dev')
-rw-r--r--src/dev/etherint.hh3
-rw-r--r--src/dev/etherlink.hh1
2 files changed, 4 insertions, 0 deletions
diff --git a/src/dev/etherint.hh b/src/dev/etherint.hh
index dfc224ecc..430f45d66 100644
--- a/src/dev/etherint.hh
+++ b/src/dev/etherint.hh
@@ -63,6 +63,9 @@ class EtherInt : public SimObject
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_ETHERINT_HH__
diff --git a/src/dev/etherlink.hh b/src/dev/etherlink.hh
index bb2854810..a16d6d799 100644
--- a/src/dev/etherlink.hh
+++ b/src/dev/etherlink.hh
@@ -114,6 +114,7 @@ class EtherLink : public SimObject
Interface(const std::string &name, Link *txlink, Link *rxlink);
bool recvPacket(EthPacketPtr packet) { return txlink->transmit(packet); }
void sendDone() { peer->sendDone(); }
+ bool isBusy() { return txlink->busy(); }
};
Link *link[2];