Ethernet.py revision 3102 
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
67class EtherDevBase(PciDevice):
68    hardware_address = Param.EthernetAddr(NextEthernetAddr,
69        "Ethernet Hardware Address")
70
71    clock = Param.Clock('0ns', "State machine processor frequency")
72
73    config_latency = Param.Latency('20ns', "Config read or write latency")
74
75    dma_read_delay = Param.Latency('0us', "fixed delay for dma reads")
76    dma_read_factor = Param.Latency('0us', "multiplier for dma reads")
77    dma_write_delay = Param.Latency('0us', "fixed delay for dma writes")
78    dma_write_factor = Param.Latency('0us', "multiplier for dma writes")
79
80    rx_delay = Param.Latency('1us', "Receive Delay")
81    tx_delay = Param.Latency('1us', "Transmit Delay")
82    rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo")
83    tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo")
84
85    rx_filter = Param.Bool(True, "Enable Receive Filter")
86    intr_delay = Param.Latency('10us', "Interrupt propagation delay")
87    rx_thread = Param.Bool(False, "dedicated kernel thread for transmit")
88    tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
89    rss = Param.Bool(False, "Receive Side Scaling")
90
91class NSGigEPciData(PciConfigData):
92    VendorID = 0x100B
93    DeviceID = 0x0022
94    Status = 0x0290
95    SubClassCode = 0x00
96    ClassCode = 0x02
97    ProgIF = 0x00
98    BAR0 = 0x00000001
99    BAR1 = 0x00000000
100    BAR2 = 0x00000000
101    BAR3 = 0x00000000
102    BAR4 = 0x00000000
103    BAR5 = 0x00000000
104    MaximumLatency = 0x34
105    MinimumGrant = 0xb0
106    InterruptLine = 0x1e
107    InterruptPin = 0x01
108    BAR0Size = '256B'
109    BAR1Size = '4kB'
110
111class NSGigE(EtherDevBase):
112    type = 'NSGigE'
113
114    dma_data_free = Param.Bool(False, "DMA of Data is free")
115    dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
116    dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
117
118    configdata = NSGigEPciData()
119
120
121class NSGigEInt(EtherInt):
122    type = 'NSGigEInt'
123    device = Param.NSGigE("Ethernet device of this interface")
124
125class SinicPciData(PciConfigData):
126    VendorID = 0x1291
127    DeviceID = 0x1293
128    Status = 0x0290
129    SubClassCode = 0x00
130    ClassCode = 0x02
131    ProgIF = 0x00
132    BAR0 = 0x00000000
133    BAR1 = 0x00000000
134    BAR2 = 0x00000000
135    BAR3 = 0x00000000
136    BAR4 = 0x00000000
137    BAR5 = 0x00000000
138    MaximumLatency = 0x34
139    MinimumGrant = 0xb0
140    InterruptLine = 0x1e
141    InterruptPin = 0x01
142    BAR0Size = '64kB'
143
144class Sinic(EtherDevBase):
145    type = 'Sinic'
146
147    rx_max_copy = Param.MemorySize('1514B', "rx max copy")
148    tx_max_copy = Param.MemorySize('16kB', "tx max copy")
149    rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
150    rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
151    rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
152    tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
153    tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
154    virtual_count = Param.UInt32(1, "Virtualized SINIC")
155    zero_copy = Param.Bool(False, "Zero copy receive")
156    delay_copy = Param.Bool(False, "Delayed copy transmit")
157    virtual_addr = Param.Bool(False, "Virtual addressing")
158
159    configdata = SinicPciData()
160
161class SinicInt(EtherInt):
162    type = 'SinicInt'
163    device = Param.Sinic("Ethernet device of this interface")
164