Ethernet.py revision 2210
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 delay_var = Param.Latency('0ns', "packet transmit delay variability") 16 speed = Param.NetworkBandwidth('1Gbps', "link speed") 17 dump = Param.EtherDump(NULL, "dump object") 18 19class EtherBus(SimObject): 20 type = 'EtherBus' 21 loopback = Param.Bool(True, "send packet back to the sending interface") 22 dump = Param.EtherDump(NULL, "dump object") 23 speed = Param.NetworkBandwidth('100Mbps', "bus speed in bits per second") 24 25class EtherTap(EtherInt): 26 type = 'EtherTap' 27 bufsz = Param.Int(10000, "tap buffer size") 28 dump = Param.EtherDump(NULL, "dump object") 29 port = Param.UInt16(3500, "tap port") 30 31class EtherDump(SimObject): 32 type = 'EtherDump' 33 file = Param.String("dump file") 34 maxlen = Param.Int(96, "max portion of packet data to dump") 35 36if build_env['ALPHA_TLASER']: 37 38 class EtherDev(DmaDevice): 39 type = 'EtherDev' 40 hardware_address = Param.EthernetAddr(NextEthernetAddr, 41 "Ethernet Hardware Address") 42 43 dma_data_free = Param.Bool(False, "DMA of Data is free") 44 dma_desc_free = Param.Bool(False, "DMA of Descriptors is free") 45 dma_read_delay = Param.Latency('0us', "fixed delay for dma reads") 46 dma_read_factor = Param.Latency('0us', "multiplier for dma reads") 47 dma_write_delay = Param.Latency('0us', "fixed delay for dma writes") 48 dma_write_factor = Param.Latency('0us', "multiplier for dma writes") 49 dma_no_allocate = Param.Bool(True, "Should we allocate cache on read") 50 51 rx_filter = Param.Bool(True, "Enable Receive Filter") 52 rx_delay = Param.Latency('1us', "Receive Delay") 53 tx_delay = Param.Latency('1us', "Transmit Delay") 54 55 intr_delay = Param.Latency('0us', "Interrupt Delay") 56 payload_bus = Param.Bus(NULL, "The IO Bus to attach to for payload") 57 physmem = Param.PhysicalMemory(Parent.any, "Physical Memory") 58 tlaser = Param.Turbolaser(Parent.any, "Turbolaser") 59 60 class EtherDevInt(EtherInt): 61 type = 'EtherDevInt' 62 device = Param.EtherDev("Ethernet device of this interface") 63 64class EtherDevBase(PciDevice): 65 hardware_address = Param.EthernetAddr(NextEthernetAddr, 66 "Ethernet Hardware Address") 67 68 clock = Param.Clock('0ns', "State machine processor frequency") 69 70 physmem = Param.PhysicalMemory(Parent.any, "Physical Memory") 71 72 hier = Param.HierParams(Parent.any, "Hierarchy global variables") 73 payload_bus = Param.Bus(NULL, "The IO Bus to attach to for payload") 74 dma_read_delay = Param.Latency('0us', "fixed delay for dma reads") 75 dma_read_factor = Param.Latency('0us', "multiplier for dma reads") 76 dma_write_delay = Param.Latency('0us', "fixed delay for dma writes") 77 dma_write_factor = Param.Latency('0us', "multiplier for dma writes") 78 dma_no_allocate = Param.Bool(True, "Should we allocate cache on read") 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 NSGigE(EtherDevBase): 92 type = 'NSGigE' 93 94 dma_data_free = Param.Bool(False, "DMA of Data is free") 95 dma_desc_free = Param.Bool(False, "DMA of Descriptors is free") 96 97 98class NSGigEInt(EtherInt): 99 type = 'NSGigEInt' 100 device = Param.NSGigE("Ethernet device of this interface") 101 102class Sinic(EtherDevBase): 103 type = 'Sinic' 104 105 rx_max_copy = Param.MemorySize('1514B', "rx max copy") 106 tx_max_copy = Param.MemorySize('16kB', "tx max copy") 107 rx_max_intr = Param.UInt32(10, "max rx packets per interrupt") 108 rx_fifo_threshold = Param.MemorySize('48kB', "rx fifo high threshold") 109 tx_fifo_threshold = Param.MemorySize('16kB', "tx fifo low threshold") 110 111class SinicInt(EtherInt): 112 type = 'SinicInt' 113 device = Param.Sinic("Ethernet device of this interface") 114