Ethernet.py revision 1925
1from m5 import * 2from Device import DmaDevice 3from Pci import PciDevice 4 5class EtherInt(SimObject): 6 type = 'EtherInt' 7 abstract = True 8 peer = Param.EtherInt(NULL, "peer interface") 9 10class EtherLink(SimObject): 11 type = 'EtherLink' 12 int1 = Param.EtherInt("interface 1") 13 int2 = Param.EtherInt("interface 2") 14 delay = Param.Latency('0us', "packet transmit delay") 15 speed = Param.NetworkBandwidth('1Gbps', "link speed") 16 dump = Param.EtherDump(NULL, "dump object") 17 18class EtherBus(SimObject): 19 type = 'EtherBus' 20 loopback = Param.Bool(True, "send packet back to the sending interface") 21 dump = Param.EtherDump(NULL, "dump object") 22 speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second") 23 24class EtherTap(EtherInt): 25 type = 'EtherTap' 26 bufsz = Param.Int(10000, "tap buffer size") 27 dump = Param.EtherDump(NULL, "dump object") 28 port = Param.UInt16(3500, "tap port") 29 30class EtherDump(SimObject): 31 type = 'EtherDump' 32 file = Param.String("dump file") 33 maxlen = Param.Int(96, "max portion of packet data to dump") 34 35if build_env['ALPHA_TLASER']: 36 37 class EtherDev(DmaDevice): 38 type = 'EtherDev' 39 hardware_address = Param.EthernetAddr(NextEthernetAddr, 40 "Ethernet Hardware Address") 41 42 dma_data_free = Param.Bool(False, "DMA of Data is free") 43 dma_desc_free = Param.Bool(False, "DMA of Descriptors is free") 44 dma_read_delay = Param.Latency('0us', "fixed delay for dma reads") 45 dma_read_factor = Param.Latency('0us', "multiplier for dma reads") 46 dma_write_delay = Param.Latency('0us', "fixed delay for dma writes") 47 dma_write_factor = Param.Latency('0us', "multiplier for dma writes") 48 dma_no_allocate = Param.Bool(True, "Should we allocate cache on read") 49 50 rx_filter = Param.Bool(True, "Enable Receive Filter") 51 rx_delay = Param.Latency('1us', "Receive Delay") 52 tx_delay = Param.Latency('1us', "Transmit Delay") 53 54 intr_delay = Param.Latency('0us', "Interrupt Delay") 55 payload_bus = Param.Bus(NULL, "The IO Bus to attach to for payload") 56 physmem = Param.PhysicalMemory(Parent.any, "Physical Memory") 57 tlaser = Param.Turbolaser(Parent.any, "Turbolaser") 58 59 class EtherDevInt(EtherInt): 60 type = 'EtherDevInt' 61 device = Param.EtherDev("Ethernet device of this interface") 62 63class EtherDevBase(PciDevice): 64 hardware_address = Param.EthernetAddr(NextEthernetAddr, 65 "Ethernet Hardware Address") 66 67 clock = Param.Clock('0ns', "State machine processor frequency") 68 69 physmem = Param.PhysicalMemory(Parent.any, "Physical Memory") 70 71 hier = Param.HierParams(Parent.any, "Hierarchy global variables") 72 payload_bus = Param.Bus(NULL, "The IO Bus to attach to for payload") 73 dma_read_delay = Param.Latency('0us', "fixed delay for dma reads") 74 dma_read_factor = Param.Latency('0us', "multiplier for dma reads") 75 dma_write_delay = Param.Latency('0us', "fixed delay for dma writes") 76 dma_write_factor = Param.Latency('0us', "multiplier for dma writes") 77 dma_no_allocate = Param.Bool(True, "Should we allocate cache on read") 78 79 rx_delay = Param.Latency('1us', "Receive Delay") 80 tx_delay = Param.Latency('1us', "Transmit Delay") 81 rx_fifo_size = Param.MemorySize('512kB', "max size of rx fifo") 82 tx_fifo_size = Param.MemorySize('512kB', "max size of tx fifo") 83 84 rx_filter = Param.Bool(True, "Enable Receive Filter") 85 intr_delay = Param.Latency('10us', "Interrupt Propagation Delay") 86 87class NSGigE(EtherDevBase): 88 type = 'NSGigE' 89 90 dma_data_free = Param.Bool(False, "DMA of Data is free") 91 dma_desc_free = Param.Bool(False, "DMA of Descriptors is free") 92 93 dedicated = Param.Bool(False, "dedicate a kernel thread to the driver") 94 95class NSGigEInt(EtherInt): 96 type = 'NSGigEInt' 97 device = Param.NSGigE("Ethernet device of this interface") 98 99class Sinic(EtherDevBase): 100 type = 'Sinic' 101 102 rx_max_copy = Param.MemorySize('1514B', "rx max copy") 103 tx_max_copy = Param.MemorySize('16kB', "tx max copy") 104 rx_fifo_threshold = Param.MemorySize('48kB', "rx fifo high threshold") 105 tx_fifo_threshold = Param.MemorySize('16kB', "tx fifo low threshold") 106 107class SinicInt(EtherInt): 108 type = 'SinicInt' 109 device = Param.Sinic("Ethernet device of this interface") 110