IGbE: Implement sending packet that is contained in more than 2 descriptors.

--HG--
extra : convert_revision : 8fb7d5fad5cb840f69c31aa8b331dbe09e46ee9d

1 files changed, 9 insertions, 0 deletions

diff --git a/src/dev/i8254xGBe.hh b/src/dev/i8254xGBe.hh
index 9403c87b6..0daf094c1 100644
--- a/src/dev/i8254xGBe.hh
+++ b/src/dev/i8254xGBe.hh
@@ -564,6 +564,7 @@ class IGbE : public EtherDevice
         bool pktDone;
         bool isTcp;
         bool pktWaiting;
+        bool pktMultiDesc;
 
       public:
         TxDescCache(IGbE *i, std::string n, int s);
@@ -586,6 +587,14 @@ class IGbE : public EtherDevice
          */
         bool packetWaiting() { return pktWaiting; }
 
+        /** Ask if this packet is composed of multiple descriptors
+         * so even if we've got data, we need to wait for more before
+         * we can send it out.
+         * @return packet can't be sent out because it's a multi-descriptor
+         * packet
+         */
+        bool packetMultiDesc() { return pktMultiDesc;}
+
         /** Called by event when dma to write packet is completed
          */
         void pktComplete();