SINIC: Commit old code from ASPLOS 2006 studies.

[gem5.git] / src / dev / Ethernet.py

diff --git a/src/dev/Ethernet.py b/src/dev/Ethernet.py
index 2beb0d5379bbc9f6f18317b10d72079f5a489f06..cf513b834a2f832d15b10518312139ebd19dfa9e 100644 (file)
--- a/src/dev/Ethernet.py
+++ b/src/dev/Ethernet.py
@@ -98,6 +98,13 @@ class IGbE(EtherDevice):
     InterruptLine = 0x1e
     InterruptPin = 0x01
     BAR0Size = '128kB'
+    wb_delay = Param.Latency('10ns', "delay before desc writeback occurs")
+    fetch_delay = Param.Latency('10ns', "delay before desc fetch occurs")
+    fetch_comp_delay = Param.Latency('10ns', "delay after desc fetch occurs")
+    wb_comp_delay = Param.Latency('10ns', "delay after desc wb occurs")
+    tx_read_delay = Param.Latency('0ns', "delay after tx dma read")
+    rx_write_delay = Param.Latency('0ns', "delay after rx dma read")
+
 
 class EtherDevBase(EtherDevice):
     type = 'EtherDevBase'
@@ -164,6 +171,9 @@ class Sinic(EtherDevBase):
     tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
     tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
     virtual_count = Param.UInt32(1, "Virtualized SINIC")
+    zero_copy_size = Param.UInt32(64, "Bytes to copy if below threshold")
+    zero_copy_threshold = Param.UInt32(256,
+        "Only zero copy above this threshold")
     zero_copy = Param.Bool(False, "Zero copy receive")
     delay_copy = Param.Bool(False, "Delayed copy transmit")
     virtual_addr = Param.Bool(False, "Virtual addressing")