arp: little clean up

diff --git a/liteeth/arp/__init__.py b/liteeth/arp/__init__.py
index 1fe170bffd9ba1aa1dde5ad4a909bc354278e6f9..4e5af42e66d762e724c2668c738abba7b8a82378 100644 (file)
--- a/liteeth/arp/__init__.py
+++ b/liteeth/arp/__init__.py
@@ -2,14 +2,12 @@ from liteeth.common import *
 from liteeth.generic.depacketizer import LiteEthDepacketizer
 from liteeth.generic.packetizer import LiteEthPacketizer
 
-def _arp_table_description():
-       layout = [
+_arp_table_layout = [
                ("reply", 1),
                ("request", 1),
                ("ip_address", 32),
                ("mac_address", 48)
        ]
-       return EndpointDescription(layout, packetized=False)
 
 class LiteEthARPDepacketizer(LiteEthDepacketizer):
        def __init__(self):
@@ -27,14 +25,9 @@ class LiteEthARPPacketizer(LiteEthPacketizer):
                        arp_header,
                        arp_header_len)
 
-class LiteSATACommandTX(Module):
-       def __init__(self, transport):
-               self.sink = sink = Sink(command_tx_description(32))
-
-
 class LiteEthARPTX(Module):
        def __init__(self, mac_address, ip_address):
-               self.sink = sink = Sink(_arp_table_description())
+               self.sink = sink = Sink(_arp_table_layout)
                self.source = Source(eth_mac_description(8))
                ###
                packetizer = LiteEthARPPacketizer()
@@ -91,7 +84,7 @@ class LiteEthARPTX(Module):
 class LiteEthARPRX(Module):
        def __init__(self, mac_address, ip_address):
                self.sink = Sink(eth_mac_description(8))
-               self.source = source = Source(_arp_table_description())
+               self.source = source = Source(_arp_table_layout)
                ###
                depacketizer = LiteEthARPDepacketizer()
                self.submodules += depacketizer
@@ -152,8 +145,8 @@ arp_table_response_layout = [
 
 class LiteEthARPTable(Module):
        def __init__(self):
-               self.sink = sink = Sink(_arp_table_description())               # from arp_rx
-               self.source = source = Source(_arp_table_description())         # to arp_tx
+               self.sink = sink = Sink(_arp_table_layout)              # from arp_rx
+               self.source = source = Source(_arp_table_layout)        # to arp_tx
 
                # Request/Response interface
                self.request = request = Sink(arp_table_request_layout)