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Diffstat (limited to 'src/dev/net/Ethernet.py')
| -rw-r--r-- | src/dev/net/Ethernet.py | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/dev/net/Ethernet.py b/src/dev/net/Ethernet.py new file mode 100644 index 000000000..9859857a0 --- /dev/null +++ b/src/dev/net/Ethernet.py @@ -0,0 +1,245 @@ +# 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 +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Copyright (c) 2005-2007 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Nathan Binkert + +from m5.SimObject import SimObject +from m5.params import * +from m5.proxy import * +from PciDevice import PciDevice + +class EtherObject(SimObject): + type = 'EtherObject' + abstract = True + cxx_header = "dev/net/etherobject.hh" + +class EtherLink(EtherObject): + type = 'EtherLink' + cxx_header = "dev/net/etherlink.hh" + 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 MultiEtherLink(EtherObject): + type = 'MultiEtherLink' + cxx_header = "dev/net/multi_etherlink.hh" + 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") + multi_rank = Param.UInt32('0', "Rank of the this gem5 process (multi run)") + sync_start = Param.Latency('5200000000000t', "first multi sync barrier") + sync_repeat = Param.Latency('10us', "multi sync barrier repeat") + server_name = Param.String('localhost', "Message server name") + server_port = Param.UInt32('2200', "Message server port") + +class EtherBus(EtherObject): + type = 'EtherBus' + cxx_header = "dev/net/etherbus.hh" + 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 EtherTap(EtherObject): + type = 'EtherTap' + cxx_header = "dev/net/ethertap.hh" + bufsz = Param.Int(10000, "tap buffer size") + dump = Param.EtherDump(NULL, "dump object") + port = Param.UInt16(3500, "tap port") + +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" + 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' + + |