Ethernet.py revision 3116 
1from m5.SimObject import SimObject
2from m5.params import *
3from m5.proxy import *
4from m5 import build_env
5from Device import DmaDevice
6from Pci import PciDevice, PciConfigData
7
8class EtherInt(SimObject):
9    type = 'EtherInt'
10    abstract = True
11    peer = Param.EtherInt(NULL, "peer interface")
12
13class EtherLink(SimObject):
14    type = 'EtherLink'
15    int1 = Param.EtherInt("interface 1")
16    int2 = Param.EtherInt("interface 2")
17    delay = Param.Latency('0us', "packet transmit delay")
18    delay_var = Param.Latency('0ns', "packet transmit delay variability")
19    speed = Param.NetworkBandwidth('1Gbps', "link speed")
20    dump = Param.EtherDump(NULL, "dump object")
21
22class EtherBus(SimObject):
23    type = 'EtherBus'
24    loopback = Param.Bool(True, "send packet back to the sending interface")
25    dump = Param.EtherDump(NULL, "dump object")
26    speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second")
27
28class EtherTap(EtherInt):
29    type = 'EtherTap'
30    bufsz = Param.Int(10000, "tap buffer size")
31    dump = Param.EtherDump(NULL, "dump object")
32    port = Param.UInt16(3500, "tap port")
33
34class EtherDump(SimObject):
35    type = 'EtherDump'
36    file = Param.String("dump file")
37    maxlen = Param.Int(96, "max portion of packet data to dump")
38
39if build_env['ALPHA_TLASER']:
40
41    class EtherDev(DmaDevice):
42        type = 'EtherDev'
43        hardware_address = Param.EthernetAddr(NextEthernetAddr,
44            "Ethernet Hardware Address")
45
46        dma_data_free = Param.Bool(False, "DMA of Data is free")
47        dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
48        dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
49        dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
50        dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
51        dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
52        dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
53
54        rx_filter = Param.Bool(True, "Enable Receive Filter")
55        rx_delay = Param.Latency('1us', "Receive Delay")
56        tx_delay = Param.Latency('1us', "Transmit Delay")
57
58        intr_delay = Param.Latency('0us', "Interrupt Delay")
59        payload_bus = Param.Bus(NULL, "The IO Bus to attach to for payload")
60        physmem = Param.PhysicalMemory(Parent.any, "Physical Memory")
61        tlaser = Param.Turbolaser(Parent.any, "Turbolaser")
62
63    class EtherDevInt(EtherInt):
64        type = 'EtherDevInt'
65        device = Param.EtherDev("Ethernet device of this interface")
66
67
68class IGbE(PciDevice):
69    type = 'IGbE'
70    hardware_address = Param.EthernetAddr(NextEthernetAddr, "Ethernet Hardware Address")
71
72class IGbEPciData(PciConfigData):
73    VendorID = 0x8086
74    DeviceID = 0x1026
75    SubsystemID = 0x1008
76    SubsystemVendorID = 0x8086
77    Status = 0x0000
78    SubClassCode = 0x00
79    ClassCode = 0x02
80    ProgIF = 0x00
81    BAR0 = 0x00000000
82    BAR1 = 0x00000000
83    BAR2 = 0x00000000
84    BAR3 = 0x00000000
85    BAR4 = 0x00000000
86    BAR5 = 0x00000000
87    MaximumLatency = 0x00
88    MinimumGrant = 0xff
89    InterruptLine = 0x1e
90    InterruptPin = 0x01
91    BAR0Size = '128kB'
92
93class IGbEInt(EtherInt):
94    type = 'IGbEInt'
95    device = Param.IGbE("Ethernet device of this interface")
96
97
98
99class EtherDevBase(PciDevice):
100    hardware_address = Param.EthernetAddr(NextEthernetAddr,
101        "Ethernet Hardware Address")
102
103    clock = Param.Clock('0ns', "State machine processor frequency")
104
105    dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
106    dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
107    dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
108    dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
109
110    rx_delay = Param.Latency('1us', "Receive Delay")
111    tx_delay = Param.Latency('1us', "Transmit Delay")
112    rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo")
113    tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo")
114
115    rx_filter = Param.Bool(True, "Enable Receive Filter")
116    intr_delay = Param.Latency('10us', "Interrupt propagation delay")
117    rx_thread = Param.Bool(False, "dedicated kernel thread for transmit")
118    tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
119    rss = Param.Bool(False, "Receive Side Scaling")
120
121class NSGigEPciData(PciConfigData):
122    VendorID = 0x100B
123    DeviceID = 0x0022
124    Status = 0x0290
125    SubClassCode = 0x00
126    ClassCode = 0x02
127    ProgIF = 0x00
128    BAR0 = 0x00000001
129    BAR1 = 0x00000000
130    BAR2 = 0x00000000
131    BAR3 = 0x00000000
132    BAR4 = 0x00000000
133    BAR5 = 0x00000000
134    MaximumLatency = 0x34
135    MinimumGrant = 0xb0
136    InterruptLine = 0x1e
137    InterruptPin = 0x01
138    BAR0Size = '256B'
139    BAR1Size = '4kB'
140
141class NSGigE(EtherDevBase):
142    type = 'NSGigE'
143
144    dma_data_free = Param.Bool(False, "DMA of Data is free")
145    dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
146    dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
147
148    configdata = NSGigEPciData()
149
150
151class NSGigEInt(EtherInt):
152    type = 'NSGigEInt'
153    device = Param.NSGigE("Ethernet device of this interface")
154
155class SinicPciData(PciConfigData):
156    VendorID = 0x1291
157    DeviceID = 0x1293
158    Status = 0x0290
159    SubClassCode = 0x00
160    ClassCode = 0x02
161    ProgIF = 0x00
162    BAR0 = 0x00000000
163    BAR1 = 0x00000000
164    BAR2 = 0x00000000
165    BAR3 = 0x00000000
166    BAR4 = 0x00000000
167    BAR5 = 0x00000000
168    MaximumLatency = 0x34
169    MinimumGrant = 0xb0
170    InterruptLine = 0x1e
171    InterruptPin = 0x01
172    BAR0Size = '64kB'
173
174class Sinic(EtherDevBase):
175    type = 'Sinic'
176
177    rx_max_copy = Param.MemorySize('1514B', "rx max copy")
178    tx_max_copy = Param.MemorySize('16kB', "tx max copy")
179    rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
180    rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
181    rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
182    tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
183    tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
184    virtual_count = Param.UInt32(1, "Virtualized SINIC")
185    zero_copy = Param.Bool(False, "Zero copy receive")
186    delay_copy = Param.Bool(False, "Delayed copy transmit")
187    virtual_addr = Param.Bool(False, "Virtual addressing")
188
189    configdata = SinicPciData()
190
191class SinicInt(EtherInt):
192    type = 'SinicInt'
193    device = Param.Sinic("Ethernet device of this interface")
194