liteeth/test/test_icmp.py

66 lines
1.9 KiB
Python

#
# This file is part of LiteEth.
#
# Copyright (c) 2015-2018 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
import unittest
from migen import *
from litex.soc.interconnect import wishbone
from litex.soc.interconnect.stream_sim import *
from liteeth.common import *
from liteeth.core import LiteEthIPCore
from test.model.dumps import *
from test.model.mac import *
from test.model.ip import *
from test.model.icmp import *
from test.model import phy, mac, arp, ip, icmp
from litex.gen.sim import *
ip_address = 0x12345678
mac_address = 0x12345678abcd
class DUT(Module):
def __init__(self):
self.submodules.phy_model = phy.PHY(8, debug=True)
self.submodules.mac_model = mac.MAC(self.phy_model, debug=True, loopback=False)
self.submodules.arp_model = arp.ARP(self.mac_model, mac_address, ip_address, debug=True)
self.submodules.ip_model = ip.IP(self.mac_model, mac_address, ip_address, debug=True, loopback=False)
self.submodules.icmp_model = icmp.ICMP(self.ip_model, ip_address, debug=True)
self.submodules.ip = LiteEthIPCore(self.phy_model, mac_address, ip_address, 100000)
def main_generator(dut):
packet = MACPacket(ping_request)
packet.decode_remove_header()
packet = IPPacket(packet)
packet.decode()
packet = ICMPPacket(packet)
packet.decode()
dut.icmp_model.send(packet)
for i in range(256):
yield
class TestICMP(unittest.TestCase):
def test(self):
dut = DUT()
generators = {
"sys" : [main_generator(dut)],
"eth_tx": [dut.phy_model.phy_sink.generator(),
dut.phy_model.generator()],
"eth_rx": dut.phy_model.phy_source.generator()
}
clocks = {"sys": 10,
"eth_rx": 10,
"eth_tx": 10}
run_simulation(dut, generators, clocks, vcd_name="sim.vcd")