when you add caches, dma commands within the state machine are delayed and cause the state machine to exit until the dma comes back. thus, all relevant code must be executed BEFORE going to do the dma code.

dev/ns_gige.cc:
    rearrange code so nothing gets skipped when "doing dma."

--HG--
extra : convert_revision : cca66885f45e7df1831e2d8ccaddf5ece7600b13

dev/ns_gige.cc

@@ -1889,11 +1889,7 @@ NSGigE::txKick()
                 descDmaWrites++;
                 descDmaWrBytes += txDmaLen;
 
-                if (doTxDmaWrite())
-                    goto exit;
-
                 transmit();
-
                 txPacket = 0;
 
                 if (txHalt) {
@@ -1902,6 +1898,9 @@ NSGigE::txKick()
                     txHalt = false;
                 } else
                     txState = txAdvance;
+
+                if (doTxDmaWrite())
+                    goto exit;
             }
         } else {
             DPRINTF(EthernetSM, "this descriptor isn't done yet\n");