47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
from misoclib.com.liteeth.common import *
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from misoclib.com.liteeth.generic import *
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from misoclib.com.liteeth.generic.depacketizer import LiteEthDepacketizer
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from misoclib.com.liteeth.generic.packetizer import LiteEthPacketizer
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from misoclib.com.liteeth.generic.crossbar import LiteEthCrossbar
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class LiteEthMACDepacketizer(LiteEthDepacketizer):
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def __init__(self):
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LiteEthDepacketizer.__init__(self,
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eth_phy_description(8),
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eth_mac_description(8),
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mac_header,
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mac_header_len)
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class LiteEthMACPacketizer(LiteEthPacketizer):
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def __init__(self):
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LiteEthPacketizer.__init__(self,
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eth_mac_description(8),
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eth_phy_description(8),
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mac_header,
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mac_header_len)
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class LiteEthMACMasterPort:
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def __init__(self, dw):
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self.source = Source(eth_mac_description(dw))
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self.sink = Sink(eth_mac_description(dw))
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class LiteEthMACSlavePort:
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def __init__(self, dw):
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self.sink = Sink(eth_mac_description(dw))
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self.source = Source(eth_mac_description(dw))
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class LiteEthMACUserPort(LiteEthMACSlavePort):
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def __init__(self, dw):
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LiteEthMACSlavePort.__init__(self, dw)
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class LiteEthMACCrossbar(LiteEthCrossbar):
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def __init__(self):
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LiteEthCrossbar.__init__(self, LiteEthMACMasterPort, "ethernet_type")
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def get_port(self, ethernet_type):
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port = LiteEthMACUserPort(8)
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if ethernet_type in self.users.keys():
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raise ValueError("Ethernet type {0:#x} already assigned".format(ethernet_type))
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self.users[ethernet_type] = port
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return port
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