liteeth/test/test_model.py

170 lines
4.9 KiB
Python

# This file is Copyright (c) 2015-2019 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD
import unittest
from liteeth.common import *
from test.model.dumps import *
from test.model.mac import MACPacket
from test.model.arp import ARPPacket
from test.model.ip import IPPacket
from test.model.icmp import ICMPPacket
from test.model.udp import UDPPacket
from litex.tools.remote.etherbone import *
from test.model.etherbone import Etherbone
from litex.gen.sim import *
class TestModel(unittest.TestCase):
def test_mac(self):
errors = 0
packet = MACPacket(arp_request)
packet.decode_remove_header()
# print(packet)
errors += verify_packet(packet, arp_request_infos)
packet.encode_header()
packet.decode_remove_header()
# print(packet)
errors += verify_packet(packet, arp_request_infos)
# print(packet)
packet = MACPacket(arp_reply)
packet.decode_remove_header()
errors += verify_packet(packet, arp_reply_infos)
packet.encode_header()
packet.decode_remove_header()
# print(packet)
errors += verify_packet(packet, arp_reply_infos)
self.assertEqual(errors, 0)
def test_arp(self):
errors = 0
# ARP request
packet = MACPacket(arp_request)
packet.decode_remove_header()
packet = ARPPacket(packet)
# check decoding
packet.decode()
# print(packet)
errors += verify_packet(packet, arp_request_infos)
# check encoding
packet.encode()
packet.decode()
# print(packet)
errors += verify_packet(packet, arp_request_infos)
# ARP Reply
packet = MACPacket(arp_reply)
packet.decode_remove_header()
packet = ARPPacket(packet)
# check decoding
packet.decode()
# print(packet)
errors += verify_packet(packet, arp_reply_infos)
# check encoding
packet.encode()
packet.decode()
# print(packet)
errors += verify_packet(packet, arp_reply_infos)
self.assertEqual(errors, 0)
def test_ip(self):
errors = 0
# UDP packet
packet = MACPacket(udp)
packet.decode_remove_header()
# print(packet)
packet = IPPacket(packet)
# check decoding
errors += not packet.check_checksum()
packet.decode()
# print(packet)
errors += verify_packet(packet, {})
# check encoding
packet.encode()
packet.insert_checksum()
errors += not packet.check_checksum()
packet.decode()
# print(packet)
errors += verify_packet(packet, {})
self.assertEqual(errors, 0)
def test_icmp(self):
errors = 0
# ICMP packet
packet = MACPacket(ping_request)
packet.decode_remove_header()
# print(packet)
packet = IPPacket(packet)
packet.decode()
# print(packet)
packet = ICMPPacket(packet)
packet.decode()
# print(packet)
errors += verify_packet(packet, ping_request_infos)
packet.encode()
packet.decode()
# print(packet)
errors += verify_packet(packet, ping_request_infos)
self.assertEqual(errors, 0)
def test_udp(self):
errors = 0
# UDP packet
packet = MACPacket(udp)
packet.decode_remove_header()
# print(packet)
packet = IPPacket(packet)
packet.decode()
# print(packet)
packet = UDPPacket(packet)
packet.decode()
# print(packet)
if packet.length != (len(packet)+udp_header.length):
errors += 1
errors += verify_packet(packet, udp_infos)
packet.encode()
packet.decode()
# print(packet)
if packet.length != (len(packet)+udp_header.length):
errors += 1
errors += verify_packet(packet, udp_infos)
self.assertEqual(errors, 0)
def test_etherbone(self):
# Writes/Reads
writes = EtherboneWrites(base_addr=0x1000, datas=[i for i in range(16)])
reads = EtherboneReads(base_ret_addr=0x2000, addrs=[i for i in range(16)])
# Record
record = EtherboneRecord()
record.writes = writes
record.reads = reads
record.wcount = len(writes.get_datas())
record.rcount = len(reads.get_addrs())
# Packet
packet = EtherbonePacket()
from copy import deepcopy
packet.records = [deepcopy(record) for i in range(8)]
# print(packet)
packet.encode()
# print(packet)
# Send packet over UDP to check against Wireshark dissector
#import socket
#sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
#sock.sendto(bytes(packet), ("192.168.1.1", 20000))
packet = EtherbonePacket(packet)
packet.decode()
print(packet)
self.assertEqual(0, 0) # FIXME