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authorGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
commitd080581db1f9ee4e1e6d07d2b01c13c67908a391 (patch)
treecc484b289fa5a30c4631f9faa1d8b456bffeebfc /src/dev/Ethernet.py
parent7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (diff)
parent639cb0a42d953ee32bc7e96b0cdfa96cd40e9fc1 (diff)
downloadgem5-d080581db1f9ee4e1e6d07d2b01c13c67908a391.tar.xz
Merge ARM into the head. ARM will compile but may not actually work.
Diffstat (limited to 'src/dev/Ethernet.py')
-rw-r--r--src/dev/Ethernet.py30
1 files changed, 27 insertions, 3 deletions
diff --git a/src/dev/Ethernet.py b/src/dev/Ethernet.py
index 2beb0d537..d73d56d03 100644
--- a/src/dev/Ethernet.py
+++ b/src/dev/Ethernet.py
@@ -67,6 +67,7 @@ class EtherDevice(PciDevice):
interface = Port("Ethernet Interrface")
class IGbE(EtherDevice):
+ # Base class for two IGbE adapters listed above
type = 'IGbE'
hardware_address = Param.EthernetAddr(NextEthernetAddr,
"Ethernet Hardware Address")
@@ -80,7 +81,6 @@ class IGbE(EtherDevice):
"Number of enteries in the rx descriptor cache")
clock = Param.Clock('500MHz', "Clock speed of the device")
VendorID = 0x8086
- DeviceID = 0x1075
SubsystemID = 0x1008
SubsystemVendorID = 0x8086
Status = 0x0000
@@ -98,6 +98,28 @@ 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")
+ phy_pid = Param.UInt16("Phy PID that corresponds to device ID")
+ phy_epid = Param.UInt16("Phy EPID that corresponds to device ID")
+
+class IGbE_e1000(IGbE):
+ # Older Intel 8254x based gigabit ethernet adapter
+ # Uses Intel e1000 driver
+ DeviceID = 0x1075
+ phy_pid = 0x02A8
+ phy_epid = 0x0380
+
+class IGbE_igb(IGbE):
+ # Newer Intel 8257x based gigabit ethernet adapter
+ # Uses Intel igb driver and in theory supports packet splitting and LRO
+ DeviceID = 0x10C9
+ phy_pid = 0x0141
+ phy_epid = 0x0CC0
class EtherDevBase(EtherDevice):
type = 'EtherDevBase'
@@ -153,8 +175,7 @@ class NSGigE(EtherDevBase):
class Sinic(EtherDevBase):
type = 'Sinic'
- cxx_namespace = 'Sinic'
- cxx_class = 'Device'
+ cxx_class = 'Sinic::Device'
rx_max_copy = Param.MemorySize('1514B', "rx max copy")
tx_max_copy = Param.MemorySize('16kB', "tx max copy")
@@ -164,6 +185,9 @@ 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")