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core/ip: Add with_broadcast parameter and set it to True by default (Allow IP broadcast reception).

This commit is contained in:
Florent Kermarrec 2022-02-16 11:51:57 +01:00
parent b903b7257b
commit aff1916a03
1 changed files with 4 additions and 4 deletions
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8
liteeth/core/ip.py
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@ -186,7 +186,7 @@ class LiteEthIPV4Depacketizer(Depacketizer):
class LiteEthIPRX(Module):
def __init__(self, mac_address, ip_address, dw=8):
def __init__(self, mac_address, ip_address, with_broadcast=True, dw=8):
self.sink = sink = stream.Endpoint(eth_mac_description(dw))
self.source = source = stream.Endpoint(eth_ipv4_user_description(dw))
@ -209,7 +209,7 @@ class LiteEthIPRX(Module):
fsm.act("IDLE",
If(depacketizer.source.valid & checksum.done,
NextState("DROP"),
If((depacketizer.source.target_ip == ip_address) &
If(((depacketizer.source.target_ip == ip_address) | with_broadcast) &
(depacketizer.source.version == 0x4) &
(depacketizer.source.ihl == 0x5) &
(checksum.value == 0),
@ -247,9 +247,9 @@ class LiteEthIPRX(Module):
# IP -----------------------------------------------------------------------------------------------
class LiteEthIP(Module):
def __init__(self, mac, mac_address, ip_address, arp_table, dw=8):
def __init__(self, mac, mac_address, ip_address, arp_table, with_broadcast=True, dw=8):
self.submodules.tx = tx = LiteEthIPTX(mac_address, ip_address, arp_table, dw=dw)
self.submodules.rx = rx = LiteEthIPRX(mac_address, ip_address, dw=dw)
self.submodules.rx = rx = LiteEthIPRX(mac_address, ip_address, with_broadcast, dw=dw)
mac_port = mac.crossbar.get_port(ethernet_type_ip, dw)
self.comb += [
tx.source.connect(mac_port.sink),