Ethernet.py revision 4981 
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
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5# modification, are permitted provided that the following conditions are
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7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
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13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Nathan Binkert
28
29from m5.SimObject import SimObject
30from m5.params import *
31from m5.proxy import *
32from Pci import PciDevice, PciConfigData
33
34class EtherObject(SimObject):
35    type = 'EtherObject'
36    abstract = True
37
38class EtherLink(EtherObject):
39    type = 'EtherLink'
40    int0 = Port("interface 0")
41    int1 = Port("interface 1")
42    delay = Param.Latency('0us', "packet transmit delay")
43    delay_var = Param.Latency('0ns', "packet transmit delay variability")
44    speed = Param.NetworkBandwidth('1Gbps', "link speed")
45    dump = Param.EtherDump(NULL, "dump object")
46
47class EtherBus(EtherObject):
48    type = 'EtherBus'
49    loopback = Param.Bool(True, "send packet back to the sending interface")
50    dump = Param.EtherDump(NULL, "dump object")
51    speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second")
52
53class EtherTap(EtherObject):
54    type = 'EtherTap'
55    bufsz = Param.Int(10000, "tap buffer size")
56    dump = Param.EtherDump(NULL, "dump object")
57    port = Param.UInt16(3500, "tap port")
58
59class EtherDump(SimObject):
60    type = 'EtherDump'
61    file = Param.String("dump file")
62    maxlen = Param.Int(96, "max portion of packet data to dump")
63
64class EtherDevice(PciDevice):
65    type = 'EtherDevice'
66    abstract = True
67    interface = Port("Ethernet Interrface")
68
69class IGbE(EtherDevice):
70    type = 'IGbE'
71    hardware_address = Param.EthernetAddr(NextEthernetAddr,
72        "Ethernet Hardware Address")
73    use_flow_control = Param.Bool(False,
74        "Should we use xon/xoff flow contorl (UNIMPLEMENTD)")
75    rx_fifo_size = Param.MemorySize('384kB', "Size of the rx FIFO")
76    tx_fifo_size = Param.MemorySize('384kB', "Size of the tx FIFO")
77    rx_desc_cache_size = Param.Int(64,
78        "Number of enteries in the rx descriptor cache")
79    tx_desc_cache_size = Param.Int(64,
80        "Number of enteries in the rx descriptor cache")
81    clock = Param.Clock('500MHz', "Clock speed of the device")
82
83class IGbEPciData(PciConfigData):
84    VendorID = 0x8086
85    DeviceID = 0x1075
86    SubsystemID = 0x1008
87    SubsystemVendorID = 0x8086
88    Status = 0x0000
89    SubClassCode = 0x00
90    ClassCode = 0x02
91    ProgIF = 0x00
92    BAR0 = 0x00000000
93    BAR1 = 0x00000000
94    BAR2 = 0x00000000
95    BAR3 = 0x00000000
96    BAR4 = 0x00000000
97    BAR5 = 0x00000000
98    MaximumLatency = 0x00
99    MinimumGrant = 0xff
100    InterruptLine = 0x1e
101    InterruptPin = 0x01
102    BAR0Size = '128kB'
103
104class EtherDevBase(EtherDevice):
105    type = 'EtherDevBase'
106    abstract = True
107    hardware_address = Param.EthernetAddr(NextEthernetAddr,
108        "Ethernet Hardware Address")
109
110    clock = Param.Clock('0ns', "State machine processor frequency")
111
112    dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
113    dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
114    dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
115    dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
116
117    rx_delay = Param.Latency('1us', "Receive Delay")
118    tx_delay = Param.Latency('1us', "Transmit Delay")
119    rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo")
120    tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo")
121
122    rx_filter = Param.Bool(True, "Enable Receive Filter")
123    intr_delay = Param.Latency('10us', "Interrupt propagation delay")
124    rx_thread = Param.Bool(False, "dedicated kernel thread for transmit")
125    tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
126    rss = Param.Bool(False, "Receive Side Scaling")
127
128class NSGigEPciData(PciConfigData):
129    VendorID = 0x100B
130    DeviceID = 0x0022
131    Status = 0x0290
132    SubClassCode = 0x00
133    ClassCode = 0x02
134    ProgIF = 0x00
135    BAR0 = 0x00000001
136    BAR1 = 0x00000000
137    BAR2 = 0x00000000
138    BAR3 = 0x00000000
139    BAR4 = 0x00000000
140    BAR5 = 0x00000000
141    MaximumLatency = 0x34
142    MinimumGrant = 0xb0
143    InterruptLine = 0x1e
144    InterruptPin = 0x01
145    BAR0Size = '256B'
146    BAR1Size = '4kB'
147
148class NSGigE(EtherDevBase):
149    type = 'NSGigE'
150
151    dma_data_free = Param.Bool(False, "DMA of Data is free")
152    dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
153    dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
154
155    configdata = NSGigEPciData()
156
157
158class SinicPciData(PciConfigData):
159    VendorID = 0x1291
160    DeviceID = 0x1293
161    Status = 0x0290
162    SubClassCode = 0x00
163    ClassCode = 0x02
164    ProgIF = 0x00
165    BAR0 = 0x00000000
166    BAR1 = 0x00000000
167    BAR2 = 0x00000000
168    BAR3 = 0x00000000
169    BAR4 = 0x00000000
170    BAR5 = 0x00000000
171    MaximumLatency = 0x34
172    MinimumGrant = 0xb0
173    InterruptLine = 0x1e
174    InterruptPin = 0x01
175    BAR0Size = '64kB'
176
177class Sinic(EtherDevBase):
178    type = 'Sinic'
179    cxx_namespace = 'Sinic'
180    cxx_class = 'Device'
181
182    rx_max_copy = Param.MemorySize('1514B', "rx max copy")
183    tx_max_copy = Param.MemorySize('16kB', "tx max copy")
184    rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
185    rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
186    rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
187    tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
188    tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
189    virtual_count = Param.UInt32(1, "Virtualized SINIC")
190    zero_copy = Param.Bool(False, "Zero copy receive")
191    delay_copy = Param.Bool(False, "Delayed copy transmit")
192    virtual_addr = Param.Bool(False, "Virtual addressing")
193
194    configdata = SinicPciData()
195
196