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# Copyright (c) 2015 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
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#
# Copyright (c) 2005-2007 The Regents of The University of Michigan
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# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
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# neither the name of the copyright holders nor the names of its
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# this software without specific prior written permission.
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Authors: Nathan Binkert
from m5.defines import buildEnv
from m5.SimObject import SimObject
from m5.params import *
from m5.proxy import *
from m5.objects.PciDevice import PciDevice
class EtherLink(SimObject):
type = 'EtherLink'
cxx_header = "dev/net/etherlink.hh"
cxx_extra_bases = [ "EtherObject" ]
int0 = SlavePort("interface 0")
int1 = SlavePort("interface 1")
delay = Param.Latency('0us', "packet transmit delay")
delay_var = Param.Latency('0ns', "packet transmit delay variability")
speed = Param.NetworkBandwidth('1Gbps', "link speed")
dump = Param.EtherDump(NULL, "dump object")
class DistEtherLink(SimObject):
type = 'DistEtherLink'
cxx_header = "dev/net/dist_etherlink.hh"
cxx_extra_bases = [ "EtherObject" ]
int0 = SlavePort("interface 0")
delay = Param.Latency('0us', "packet transmit delay")
delay_var = Param.Latency('0ns', "packet transmit delay variability")
speed = Param.NetworkBandwidth('1Gbps', "link speed")
dump = Param.EtherDump(NULL, "dump object")
dist_rank = Param.UInt32('0', "Rank of this gem5 process (dist run)")
dist_size = Param.UInt32('1', "Number of gem5 processes (dist run)")
sync_start = Param.Latency('5200000000000t', "first dist sync barrier")
sync_repeat = Param.Latency('10us', "dist sync barrier repeat")
server_name = Param.String('localhost', "Message server name")
server_port = Param.UInt32('2200', "Message server port")
is_switch = Param.Bool(False, "true if this a link in etherswitch")
dist_sync_on_pseudo_op = Param.Bool(False, "Start sync with pseudo_op")
num_nodes = Param.UInt32('2', "Number of simulate nodes")
class EtherBus(SimObject):
type = 'EtherBus'
cxx_header = "dev/net/etherbus.hh"
cxx_extra_bases = [ "EtherObject" ]
loopback = Param.Bool(True, "send packet back to the sending interface")
dump = Param.EtherDump(NULL, "dump object")
speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second")
class EtherSwitch(SimObject):
type = 'EtherSwitch'
cxx_header = "dev/net/etherswitch.hh"
cxx_extra_bases = [ "EtherObject" ]
dump = Param.EtherDump(NULL, "dump object")
fabric_speed = Param.NetworkBandwidth('10Gbps', "switch fabric speed in bits "
"per second")
interface = VectorMasterPort("Ethernet Interface")
output_buffer_size = Param.MemorySize('1MB', "size of output port buffers")
delay = Param.Latency('0us', "packet transmit delay")
delay_var = Param.Latency('0ns', "packet transmit delay variability")
time_to_live = Param.Latency('10ms', "time to live of MAC address maping")
class EtherTapBase(SimObject):
type = 'EtherTapBase'
abstract = True
cxx_header = "dev/net/ethertap.hh"
cxx_extra_bases = [ "EtherObject" ]
bufsz = Param.Int(10000, "tap buffer size")
dump = Param.EtherDump(NULL, "dump object")
tap = SlavePort("Ethernet interface to connect to gem5's network")
if buildEnv['USE_TUNTAP']:
class EtherTap(EtherTapBase):
type = 'EtherTap'
cxx_header = "dev/net/ethertap.hh"
tun_clone_device = Param.String('/dev/net/tun',
"Path to the tun clone device node")
tap_device_name = Param.String('gem5-tap', "Tap device name")
class EtherTapStub(EtherTapBase):
type = 'EtherTapStub'
cxx_header = "dev/net/ethertap.hh"
port = Param.UInt16(3500, "Port helper should send packets to")
class EtherDump(SimObject):
type = 'EtherDump'
cxx_header = "dev/net/etherdump.hh"
file = Param.String("dump file")
maxlen = Param.Int(96, "max portion of packet data to dump")
class EtherDevice(PciDevice):
type = 'EtherDevice'
abstract = True
cxx_header = "dev/net/etherdevice.hh"
cxx_extra_bases = [ "EtherObject" ]
interface = MasterPort("Ethernet Interface")
class IGbE(EtherDevice):
# Base class for two IGbE adapters listed above
type = 'IGbE'
cxx_header = "dev/net/i8254xGBe.hh"
hardware_address = Param.EthernetAddr(NextEthernetAddr,
"Ethernet Hardware Address")
rx_fifo_size = Param.MemorySize('384kB', "Size of the rx FIFO")
tx_fifo_size = Param.MemorySize('384kB', "Size of the tx FIFO")
rx_desc_cache_size = Param.Int(64,
"Number of enteries in the rx descriptor cache")
tx_desc_cache_size = Param.Int(64,
"Number of enteries in the rx descriptor cache")
VendorID = 0x8086
SubsystemID = 0x1008
SubsystemVendorID = 0x8086
Status = 0x0000
SubClassCode = 0x00
ClassCode = 0x02
ProgIF = 0x00
BAR0 = 0x00000000
BAR1 = 0x00000000
BAR2 = 0x00000000
BAR3 = 0x00000000
BAR4 = 0x00000000
BAR5 = 0x00000000
MaximumLatency = 0x00
MinimumGrant = 0xff
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'
abstract = True
cxx_header = "dev/net/etherdevice.hh"
hardware_address = Param.EthernetAddr(NextEthernetAddr,
"Ethernet Hardware Address")
dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
rx_delay = Param.Latency('1us', "Receive Delay")
tx_delay = Param.Latency('1us', "Transmit Delay")
rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo")
tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo")
rx_filter = Param.Bool(True, "Enable Receive Filter")
intr_delay = Param.Latency('10us', "Interrupt propagation delay")
rx_thread = Param.Bool(False, "dedicated kernel thread for transmit")
tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
rss = Param.Bool(False, "Receive Side Scaling")
class NSGigE(EtherDevBase):
type = 'NSGigE'
cxx_header = "dev/net/ns_gige.hh"
dma_data_free = Param.Bool(False, "DMA of Data is free")
dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
VendorID = 0x100B
DeviceID = 0x0022
Status = 0x0290
SubClassCode = 0x00
ClassCode = 0x02
ProgIF = 0x00
BAR0 = 0x00000001
BAR1 = 0x00000000
BAR2 = 0x00000000
BAR3 = 0x00000000
BAR4 = 0x00000000
BAR5 = 0x00000000
MaximumLatency = 0x34
MinimumGrant = 0xb0
InterruptLine = 0x1e
InterruptPin = 0x01
BAR0Size = '256B'
BAR1Size = '4kB'
class Sinic(EtherDevBase):
type = 'Sinic'
cxx_class = 'Sinic::Device'
cxx_header = "dev/net/sinic.hh"
rx_max_copy = Param.MemorySize('1514B', "rx max copy")
tx_max_copy = Param.MemorySize('16kB', "tx max copy")
rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
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")
VendorID = 0x1291
DeviceID = 0x1293
Status = 0x0290
SubClassCode = 0x00
ClassCode = 0x02
ProgIF = 0x00
BAR0 = 0x00000000
BAR1 = 0x00000000
BAR2 = 0x00000000
BAR3 = 0x00000000
BAR4 = 0x00000000
BAR5 = 0x00000000
MaximumLatency = 0x34
MinimumGrant = 0xb0
InterruptLine = 0x1e
InterruptPin = 0x01
BAR0Size = '64kB'