Ethernet.py revision 4283 
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.String("Ethernet Hardware Address")
71    use_flow_control = Param.Bool(False, "Should we use xon/xoff flow contorl (UNIMPLMENTD)")
72    rx_fifo_size = Param.MemorySize('384kB', "Size of the rx FIFO")
73    tx_fifo_size = Param.MemorySize('384kB', "Size of the tx FIFO")
74    rx_desc_cache_size = Param.Int(64, "Number of enteries in the rx descriptor cache")
75    tx_desc_cache_size = Param.Int(64, "Number of enteries in the rx descriptor cache")
76    clock = Param.Clock('500MHz', "Clock speed of the device")
77
78
79class IGbEPciData(PciConfigData):
80    VendorID = 0x8086
81    DeviceID = 0x1075
82    SubsystemID = 0x1008
83    SubsystemVendorID = 0x8086
84    Status = 0x0000
85    SubClassCode = 0x00
86    ClassCode = 0x02
87    ProgIF = 0x00
88    BAR0 = 0x00000000
89    BAR1 = 0x00000000
90    BAR2 = 0x00000000
91    BAR3 = 0x00000000
92    BAR4 = 0x00000000
93    BAR5 = 0x00000000
94    MaximumLatency = 0x00
95    MinimumGrant = 0xff
96    InterruptLine = 0x1e
97    InterruptPin = 0x01
98    BAR0Size = '128kB'
99
100class IGbEInt(EtherInt):
101    type = 'IGbEInt'
102    device = Param.IGbE("Ethernet device of this interface")
103
104
105
106class EtherDevBase(PciDevice):
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 NSGigEInt(EtherInt):
159    type = 'NSGigEInt'
160    device = Param.NSGigE("Ethernet device of this interface")
161
162class SinicPciData(PciConfigData):
163    VendorID = 0x1291
164    DeviceID = 0x1293
165    Status = 0x0290
166    SubClassCode = 0x00
167    ClassCode = 0x02
168    ProgIF = 0x00
169    BAR0 = 0x00000000
170    BAR1 = 0x00000000
171    BAR2 = 0x00000000
172    BAR3 = 0x00000000
173    BAR4 = 0x00000000
174    BAR5 = 0x00000000
175    MaximumLatency = 0x34
176    MinimumGrant = 0xb0
177    InterruptLine = 0x1e
178    InterruptPin = 0x01
179    BAR0Size = '64kB'
180
181class Sinic(EtherDevBase):
182    type = 'Sinic'
183
184    rx_max_copy = Param.MemorySize('1514B', "rx max copy")
185    tx_max_copy = Param.MemorySize('16kB', "tx max copy")
186    rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
187    rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
188    rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
189    tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
190    tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
191    virtual_count = Param.UInt32(1, "Virtualized SINIC")
192    zero_copy = Param.Bool(False, "Zero copy receive")
193    delay_copy = Param.Bool(False, "Delayed copy transmit")
194    virtual_addr = Param.Bool(False, "Virtual addressing")
195
196    configdata = SinicPciData()
197
198class SinicInt(EtherInt):
199    type = 'SinicInt'
200    device = Param.Sinic("Ethernet device of this interface")
201