kopia lustrzana https://github.com/espressif/esp-idf
526 wiersze
22 KiB
Python
526 wiersze
22 KiB
Python
![]() |
# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
|
||
|
# SPDX-License-Identifier: CC0-1.0
|
||
|
|
||
|
import ipaddress
|
||
|
import logging
|
||
|
import re
|
||
|
import socket
|
||
|
import subprocess
|
||
|
import time
|
||
|
from concurrent.futures import Future, ThreadPoolExecutor
|
||
|
from typing import List, Union
|
||
|
|
||
|
import netifaces
|
||
|
import paramiko # type: ignore
|
||
|
import pytest
|
||
|
from common_test_methods import get_host_ip_by_interface
|
||
|
from netmiko import ConnectHandler
|
||
|
from pytest_embedded import Dut
|
||
|
|
||
|
# Testbed configuration
|
||
|
BR_PORTS_NUM = 2
|
||
|
IPERF_BW_LIM = 6
|
||
|
MIN_UDP_THROUGHPUT = 5
|
||
|
MIN_TCP_THROUGHPUT = 4
|
||
|
|
||
|
|
||
|
class EndnodeSsh:
|
||
|
def __init__(self, host_ip: str, usr: str, passwd: str):
|
||
|
self.host_ip = host_ip
|
||
|
self.ssh_client = paramiko.SSHClient()
|
||
|
self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
|
||
|
self.ssh_client.connect(hostname=self.host_ip,
|
||
|
username=usr,
|
||
|
password=passwd)
|
||
|
self.executor: ThreadPoolExecutor
|
||
|
self.async_result: Future
|
||
|
|
||
|
def exec_cmd(self, cmd: str) -> str:
|
||
|
_, stdout, stderr = self.ssh_client.exec_command(cmd)
|
||
|
|
||
|
out = stdout.read().decode().strip()
|
||
|
error = stderr.read().decode().strip()
|
||
|
if error:
|
||
|
out = ''
|
||
|
logging.error('ssh_endnode_exec error: {}'.format(error))
|
||
|
|
||
|
return out # type: ignore
|
||
|
|
||
|
def exec_cmd_async(self, cmd: str) -> None:
|
||
|
self.executor = ThreadPoolExecutor(max_workers=1)
|
||
|
self.async_result = self.executor.submit(self.exec_cmd, cmd)
|
||
|
|
||
|
def get_async_res(self) -> str:
|
||
|
return self.async_result.result(10) # type: ignore
|
||
|
|
||
|
def close(self) -> None:
|
||
|
self.ssh_client.close()
|
||
|
|
||
|
|
||
|
class SwitchSsh:
|
||
|
EDGE_SWITCH_5XP = 0
|
||
|
EDGE_SWITCH_10XP = 1
|
||
|
|
||
|
def __init__(self, host_ip: str, usr: str, passwd: str, device_type: int):
|
||
|
self.host_ip = host_ip
|
||
|
self.type = device_type
|
||
|
|
||
|
if self.type == self.EDGE_SWITCH_5XP:
|
||
|
self.ssh_client = paramiko.SSHClient()
|
||
|
self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
|
||
|
self.ssh_client.connect(hostname=self.host_ip,
|
||
|
username=usr,
|
||
|
password=passwd)
|
||
|
else:
|
||
|
edgeSwitch = {
|
||
|
'device_type': 'ubiquiti_edgeswitch',
|
||
|
'host': self.host_ip,
|
||
|
'username': usr,
|
||
|
'password': passwd,
|
||
|
}
|
||
|
self.ssh_client = ConnectHandler(**edgeSwitch)
|
||
|
|
||
|
def exec_cmd(self, cmd: Union[str, List[str]]) -> str:
|
||
|
if self.type == self.EDGE_SWITCH_5XP:
|
||
|
_, stdout, stderr = self.ssh_client.exec_command(cmd)
|
||
|
|
||
|
out = stdout.read().decode().strip()
|
||
|
error = stderr.read().decode().strip()
|
||
|
|
||
|
if error != 'TSW Init OK!':
|
||
|
raise Exception('switch_5xp exec_cmd error: {}'.format(error))
|
||
|
else:
|
||
|
out = self.ssh_client.send_config_set(cmd, cmd_verify=False, exit_config_mode=False)
|
||
|
return out # type: ignore
|
||
|
|
||
|
def switch_port_down(self, port: int) -> None:
|
||
|
if self.type == self.EDGE_SWITCH_5XP:
|
||
|
command = '/usr/bin/tswconf debug phy set ' + str(port - 1) + ' 0 0x800'
|
||
|
self.exec_cmd(command)
|
||
|
else:
|
||
|
commands = ['interface GigabitEthernet ' + str(port), 'shutdown']
|
||
|
self.exec_cmd(commands)
|
||
|
|
||
|
def switch_port_up(self, port: int) -> None:
|
||
|
if self.type == self.EDGE_SWITCH_5XP:
|
||
|
command = '/usr/bin/tswconf debug phy set ' + str(port - 1) + ' 0 0x1000'
|
||
|
self.exec_cmd(command)
|
||
|
else:
|
||
|
commands = ['interface GigabitEthernet' + str(port), 'no shutdown']
|
||
|
self.exec_cmd(commands)
|
||
|
|
||
|
def close(self) -> None:
|
||
|
if self.type == self.EDGE_SWITCH_5XP:
|
||
|
self.ssh_client.close()
|
||
|
else:
|
||
|
self.ssh_client.disconnect()
|
||
|
|
||
|
|
||
|
def get_endnode_mac_by_interface(endnode: EndnodeSsh, if_name: str) -> str:
|
||
|
ip_info = endnode.exec_cmd(f'ip addr show {if_name}')
|
||
|
regex = if_name + r':.*?link/ether ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})'
|
||
|
mac_addr = re.search(regex, ip_info, re.DOTALL)
|
||
|
if mac_addr is None:
|
||
|
return ''
|
||
|
return mac_addr.group(1)
|
||
|
|
||
|
|
||
|
def get_endnode_ip_by_interface(endnode: EndnodeSsh, if_name: str) -> str:
|
||
|
ip_info = endnode.exec_cmd(f'ip addr show {if_name}')
|
||
|
regex = if_name + r':.*?inet (\d+[.]\d+[.]\d+[.]\d+)\/'
|
||
|
ip_addr = re.search(regex, ip_info, re.DOTALL)
|
||
|
if ip_addr is None:
|
||
|
return ''
|
||
|
return ip_addr.group(1)
|
||
|
|
||
|
|
||
|
def get_host_interface_name_in_same_net(ip_addr: str) -> str:
|
||
|
ip_net = ipaddress.IPv4Network(f'{ip_addr}/24', strict=False)
|
||
|
for interface in netifaces.interfaces():
|
||
|
addr = get_host_ip_by_interface(interface)
|
||
|
if ipaddress.IPv4Address(addr) in ip_net:
|
||
|
return str(interface)
|
||
|
return ''
|
||
|
|
||
|
|
||
|
def get_host_mac_by_interface(interface_name: str, addr_type: int = netifaces.AF_LINK) -> str:
|
||
|
for _addr in netifaces.ifaddresses(interface_name)[addr_type]:
|
||
|
host_mac = _addr['addr'].replace('%{}'.format(interface_name), '')
|
||
|
assert isinstance(host_mac, str)
|
||
|
return host_mac
|
||
|
return ''
|
||
|
|
||
|
|
||
|
def get_host_brcast_ip_by_interface(interface_name: str, ip_type: int = netifaces.AF_INET) -> str:
|
||
|
for _addr in netifaces.ifaddresses(interface_name)[ip_type]:
|
||
|
host_ip = _addr['broadcast'].replace('%{}'.format(interface_name), '')
|
||
|
assert isinstance(host_ip, str)
|
||
|
return host_ip
|
||
|
return ''
|
||
|
|
||
|
|
||
|
def run_iperf(proto: str, endnode: EndnodeSsh, server_ip: str, bandwidth_lim:int=10, interval:int=5, server_if:str='', client_if:str='') -> float:
|
||
|
if proto == 'tcp':
|
||
|
proto = ''
|
||
|
else:
|
||
|
proto = '-u'
|
||
|
|
||
|
if ipaddress.ip_address(server_ip).is_multicast:
|
||
|
# Configure Multicast Server
|
||
|
server_proc = subprocess.Popen(['iperf', '-u', '-s', '-i', '1', '-t', '%i' % interval, '-B', '%s%%%s'
|
||
|
% (server_ip, server_if)], text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
||
|
# Configure Multicast Client
|
||
|
endnode_ip = get_endnode_ip_by_interface(endnode, client_if)
|
||
|
if endnode_ip == '':
|
||
|
raise Exception('End node IP address not found')
|
||
|
client_res = endnode.exec_cmd('iperf -u -c %s -t %i -i 1 -b %iM --ttl 5 -B %s' % (server_ip, interval, bandwidth_lim, endnode_ip))
|
||
|
if server_proc.wait(10) is None: # Process did not finish.
|
||
|
server_proc.terminate()
|
||
|
else:
|
||
|
# Configure Server
|
||
|
server_proc = subprocess.Popen(['iperf', '%s' % proto, '-s', '-i', '1', '-t', '%i' % interval], text=True,
|
||
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
||
|
# Configure Client
|
||
|
client_res = endnode.exec_cmd('iperf %s -c %s -t %i -i 1 -b %iM' % (proto, server_ip, interval, bandwidth_lim))
|
||
|
if server_proc.wait(10) is None: # Process did not finish.
|
||
|
server_proc.terminate()
|
||
|
|
||
|
try:
|
||
|
server_res = server_proc.communicate(timeout=15)[0]
|
||
|
except subprocess.TimeoutExpired:
|
||
|
server_proc.kill()
|
||
|
server_res = server_proc.communicate()[0]
|
||
|
|
||
|
print('\n')
|
||
|
print(client_res)
|
||
|
print('\n')
|
||
|
print(server_res)
|
||
|
|
||
|
SERVER_BANDWIDTH_LOG_PATTERN = r'(\d+\.\d+)\s*-\s*(\d+.\d+)\s+sec\s+[\d.]+\s+MBytes\s+([\d.]+)\s+Mbits\/sec'
|
||
|
performance = re.search(SERVER_BANDWIDTH_LOG_PATTERN, server_res, re.DOTALL)
|
||
|
if performance is None:
|
||
|
return -1.0
|
||
|
return float(performance.group(3))
|
||
|
|
||
|
|
||
|
def send_brcast_msg_host_to_endnode(endnode: EndnodeSsh, host_brcast_ip: str, test_msg: str) -> str:
|
||
|
endnode.exec_cmd_async('timeout 4s nc -u -w 0 -l -p 5100')
|
||
|
time.sleep(1)
|
||
|
|
||
|
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||
|
try:
|
||
|
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
||
|
sock.sendto(test_msg.encode('utf-8'), (host_brcast_ip, 5100))
|
||
|
except socket.error as e:
|
||
|
raise Exception('Host brcast send failed %s' % e)
|
||
|
|
||
|
nc_endnode_out = endnode.get_async_res()
|
||
|
return nc_endnode_out
|
||
|
|
||
|
|
||
|
def send_brcast_msg_endnode_to_host(endnode: EndnodeSsh, host_brcast_ip: str, test_msg: str) -> str:
|
||
|
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||
|
sock.settimeout(5)
|
||
|
try:
|
||
|
sock.bind(('', 5100))
|
||
|
except socket.error as e:
|
||
|
raise Exception('Host bind failed %s' % e)
|
||
|
|
||
|
endnode.exec_cmd('echo -n "%s" | nc -b -w0 -u %s 5100' % (test_msg, host_brcast_ip))
|
||
|
|
||
|
try:
|
||
|
nc_host_out = sock.recv(1500).decode('utf-8')
|
||
|
except socket.error as e:
|
||
|
raise Exception('Host recv failed %s' % e)
|
||
|
|
||
|
return nc_host_out
|
||
|
|
||
|
|
||
|
@pytest.mark.esp32
|
||
|
@pytest.mark.ethernet_w5500
|
||
|
@pytest.mark.parametrize('config', [
|
||
|
'w5500',
|
||
|
], indirect=True)
|
||
|
def test_esp_eth_bridge(
|
||
|
dut: Dut,
|
||
|
dev_user: str,
|
||
|
dev_password: str
|
||
|
) -> None:
|
||
|
# ------------------------------ #
|
||
|
# Pre-test testbed configuration #
|
||
|
# ------------------------------ #
|
||
|
# Get switch configuration info from the hostname
|
||
|
host_name = socket.gethostname()
|
||
|
regex = r'ethVM-(\d+)-(\d+)'
|
||
|
sw_info = re.search(regex, host_name, re.DOTALL)
|
||
|
if sw_info is None:
|
||
|
raise Exception('Unexpected hostname')
|
||
|
|
||
|
sw_num = int(sw_info.group(1))
|
||
|
port_num = int(sw_info.group(2))
|
||
|
port_num_endnode = int(port_num) + 1 # endnode address is always + 1 to the host
|
||
|
|
||
|
endnode = EndnodeSsh(f'10.10.{sw_num}.{port_num_endnode}',
|
||
|
dev_user,
|
||
|
dev_password)
|
||
|
switch1 = SwitchSsh(f'10.10.{sw_num}.100',
|
||
|
dev_user,
|
||
|
dev_password,
|
||
|
SwitchSsh.EDGE_SWITCH_10XP)
|
||
|
|
||
|
# Collect all addresses in our network
|
||
|
# ------------------------------------
|
||
|
# Bridge (DUT) MAC
|
||
|
br_mac = dut.expect(r'esp_netif_br_glue: ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})')
|
||
|
br_mac = br_mac.group(1).decode('utf-8')
|
||
|
logging.info('ESP Bridge MAC %s', br_mac)
|
||
|
# Get unique identification of each Ethernet port
|
||
|
p1_id = dut.expect(r'Ethernet \((0x[0-9A-Fa-f]{8})\) Started')
|
||
|
p1_id = p1_id.group(1).decode('utf-8')
|
||
|
p2_id = dut.expect(r'Ethernet \((0x[0-9A-Fa-f]{8})\) Started')
|
||
|
p2_id = p2_id.group(1).decode('utf-8')
|
||
|
# Bridge (DUT) IP
|
||
|
dut.expect_exact('Ethernet Got IP Address')
|
||
|
br_ip = dut.expect(r'ETHIP:(\d+[.]\d+[.]\d+[.]\d+)\r')
|
||
|
br_ip = br_ip.group(1).decode('utf-8')
|
||
|
logging.info('ESP Bridge IP %s', br_ip)
|
||
|
|
||
|
# Host interface is in the same network as DUT
|
||
|
host_if = get_host_interface_name_in_same_net(br_ip)
|
||
|
# Test Host MAC
|
||
|
host_mac = get_host_mac_by_interface(host_if)
|
||
|
logging.info('Host MAC %s', host_mac)
|
||
|
# Test Host IP
|
||
|
host_ip = get_host_ip_by_interface(host_if, netifaces.AF_INET)
|
||
|
logging.info('Host IP %s', host_ip)
|
||
|
|
||
|
endnode_if = host_if # endnode is a clone of the host
|
||
|
# Endnode MAC
|
||
|
endnode_mac = get_endnode_mac_by_interface(endnode, endnode_if)
|
||
|
logging.info('Endnode MAC %s', endnode_mac)
|
||
|
# Toggle link status at the End Node to initiate DHCP request
|
||
|
endnode.exec_cmd(f'sudo ip link set down dev {endnode_if}')
|
||
|
endnode.exec_cmd(f'sudo ip link set up dev {endnode_if}')
|
||
|
# Endnode IP
|
||
|
for i in range(15):
|
||
|
endnode_ip = get_endnode_ip_by_interface(endnode, endnode_if)
|
||
|
if endnode_ip != '':
|
||
|
break
|
||
|
time.sleep(1)
|
||
|
logging.info('End node waiting for DHCP IP addr, %isec...', i)
|
||
|
else:
|
||
|
raise Exception('End node IP address not found')
|
||
|
logging.info('Endnode IP %s', endnode_ip)
|
||
|
|
||
|
# --------------------------------------------------
|
||
|
# TEST Objective 1: Ping the devices on the network
|
||
|
# --------------------------------------------------
|
||
|
# ping bridge
|
||
|
ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
|
||
|
if ping_test != 0:
|
||
|
raise Exception('ESP bridge is not reachable')
|
||
|
|
||
|
# ping the end nodes of the network
|
||
|
ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
|
||
|
if ping_test != 0:
|
||
|
raise Exception('End node is not reachable')
|
||
|
|
||
|
# -------------------------------------------------
|
||
|
# TEST Objective 2: Ports Link Up/Down combinations
|
||
|
# -------------------------------------------------
|
||
|
logging.info('link down the port #1')
|
||
|
switch1.switch_port_down(port_num)
|
||
|
dut.expect_exact(f'Ethernet ({p1_id}) Link Down')
|
||
|
|
||
|
logging.info('link down both ports')
|
||
|
switch1.switch_port_down(port_num_endnode)
|
||
|
dut.expect_exact(f'Ethernet ({p2_id}) Link Down')
|
||
|
|
||
|
logging.info('link up the port #1')
|
||
|
switch1.switch_port_up(port_num)
|
||
|
dut.expect_exact(f'Ethernet ({p1_id}) Link Up')
|
||
|
dut.expect_exact('Ethernet Got IP Address') # DHCP Server is connected to port #1
|
||
|
|
||
|
logging.info('link down both ports')
|
||
|
switch1.switch_port_down(port_num)
|
||
|
dut.expect_exact(f'Ethernet ({p1_id}) Link Down')
|
||
|
|
||
|
logging.info('link up the port #2')
|
||
|
switch1.switch_port_up(port_num_endnode)
|
||
|
dut.expect_exact(f'Ethernet ({p2_id}) Link Up') # Note: No "Ethernet Got IP Address" since DHCP Server is connected to port #1
|
||
|
|
||
|
logging.info('link down both ports')
|
||
|
switch1.switch_port_down(port_num_endnode)
|
||
|
dut.expect_exact(f'Ethernet ({p2_id}) Link Down')
|
||
|
|
||
|
logging.info('link up both ports')
|
||
|
switch1.switch_port_up(port_num_endnode)
|
||
|
dut.expect_exact(f'Ethernet ({p2_id}) Link Up')
|
||
|
switch1.switch_port_up(port_num) # link up port #1 as last to ensure we Got IP address after link port #2 is up
|
||
|
dut.expect_exact(f'Ethernet ({p1_id}) Link Up')
|
||
|
dut.expect_exact('Ethernet Got IP Address')
|
||
|
|
||
|
# --------------------------------------------------------------------------
|
||
|
# TEST Objective 3: IP traffic forwarding (iPerf between network end nodes)
|
||
|
# --------------------------------------------------------------------------
|
||
|
# unicast UDP
|
||
|
bandwidth_udp = run_iperf('udp', endnode, host_ip, IPERF_BW_LIM, 5)
|
||
|
logging.info('Unicast UDP average bandwidth: %s Mbits/s', bandwidth_udp)
|
||
|
|
||
|
# unicast TCP
|
||
|
bandwidth_tcp = run_iperf('tcp', endnode, host_ip, IPERF_BW_LIM, 5)
|
||
|
logging.info('Unicast TCP average bandwidth: %s Mbits/s', bandwidth_tcp)
|
||
|
|
||
|
# multicast UDP
|
||
|
bandwidth_mcast_udp = run_iperf('udp', endnode, '224.0.1.4', IPERF_BW_LIM, 5, host_if, endnode_if)
|
||
|
logging.info('Multicast UDP average bandwidth: %s Mbits/s', bandwidth_mcast_udp)
|
||
|
|
||
|
if bandwidth_udp < MIN_UDP_THROUGHPUT:
|
||
|
raise Exception('Unicast UDP throughput expected %.2f, actual %.2f' % (MIN_UDP_THROUGHPUT, bandwidth_udp) + ' Mbits/s')
|
||
|
if bandwidth_tcp < MIN_TCP_THROUGHPUT:
|
||
|
raise Exception('Unicast TCP throughput expected %.2f, actual %.2f' % (MIN_TCP_THROUGHPUT, bandwidth_tcp) + ' Mbits/s')
|
||
|
if bandwidth_mcast_udp < MIN_UDP_THROUGHPUT:
|
||
|
raise Exception('Multicast UDP throughput expected %.2f, actual %.2f' % (MIN_UDP_THROUGHPUT, bandwidth_mcast_udp) + ' Mbits/s')
|
||
|
|
||
|
# ------------------------------------------------
|
||
|
# TEST Objective 4: adding/deleting entries in FDB
|
||
|
# ------------------------------------------------
|
||
|
# At first test the Bridge Example Command Interface
|
||
|
MAC_ADDR = '01:02:03:04:05:06'
|
||
|
dut.write('\n')
|
||
|
dut.expect_exact('bridge>')
|
||
|
# invalid MAC format
|
||
|
dut.write('add --addr=01:125:02:00:00:0A -d')
|
||
|
dut.expect_exact('Ivalid MAC address format')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=01:QA:02:00:00:0A -d')
|
||
|
dut.expect_exact('Ivalid MAC address format')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=01:00:02:00:0A -d')
|
||
|
dut.expect_exact('Ivalid MAC address format')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
# invalid number of config parameters
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -d -c -p 1')
|
||
|
dut.expect_exact('Invalid number or combination of arguments')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -d -c')
|
||
|
dut.expect_exact('Invalid number or combination of arguments')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -f -c')
|
||
|
dut.expect_exact('Invalid number or combination of arguments')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -d -p 1')
|
||
|
dut.expect_exact('Invalid number or combination of arguments')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -f -p 1 -p 2')
|
||
|
dut.expect_exact('Invalid number or combination of arguments')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add -p 1')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -p')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('remove')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('remove --addr=' + MAC_ADDR + ' -d')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
# Invalid port interval number
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -p 0')
|
||
|
dut.expect_exact('Invalid port number')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -p ' + str(BR_PORTS_NUM + 1))
|
||
|
dut.expect_exact('Invalid port number')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
|
||
|
# try to add more FDB entries than configured max number
|
||
|
for i in range(BR_PORTS_NUM + 1):
|
||
|
dut.write('add --addr=01:02:03:00:00:%02x' % i + ' -d')
|
||
|
if i < BR_PORTS_NUM:
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
else:
|
||
|
dut.expect_exact('Adding FDB entry failed')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
|
||
|
# try to remove non-existent FDB entry
|
||
|
dut.write('remove --addr=' + MAC_ADDR)
|
||
|
dut.expect_exact('Removing FDB entry failed')
|
||
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
||
|
|
||
|
# remove dummy entries
|
||
|
for i in range(BR_PORTS_NUM):
|
||
|
dut.write('remove --addr=01:02:03:00:00:%02x' % i)
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
|
||
|
# valid multiple ports at once
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -c -p 1 -p 2')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
dut.write('remove --addr=' + MAC_ADDR)
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
dut.write('add --addr=' + MAC_ADDR + ' -p 1 -p 2')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
dut.write('remove --addr=' + MAC_ADDR)
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
|
||
|
# drop `Endnode` MAC and try to ping it from `Test Host`
|
||
|
logging.info('Drop `Endnode` MAC')
|
||
|
dut.write('add --addr=' + endnode_mac + ' -d')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
|
||
|
if ping_test == 0:
|
||
|
raise Exception('End node should not be reachable')
|
||
|
logging.info('Remove Drop `Endnode` MAC entry')
|
||
|
dut.write('remove --addr=' + endnode_mac)
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
|
||
|
if ping_test != 0:
|
||
|
raise Exception('End node is not reachable')
|
||
|
|
||
|
# Since we have only two ports on DUT, it is kind of tricky to verify the forwarding directly with devices'
|
||
|
# specific MAC addresses. However, we can verify it using broadcast address and to observe the system
|
||
|
# behavior in all directions.
|
||
|
|
||
|
# At first, check normal condition
|
||
|
TEST_MSG = 'ESP32 bridge test message'
|
||
|
host_brcast_ip = get_host_brcast_ip_by_interface(host_if, netifaces.AF_INET)
|
||
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
||
|
if endnode_recv != TEST_MSG:
|
||
|
raise Exception('Broadcast message was not received by endnode')
|
||
|
|
||
|
# now, configure forward the broadcast only to port #1
|
||
|
dut.write('add --addr=ff:ff:ff:ff:ff:ff -p 1')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
# we should not be able to receive a message at endnode (no forward to port #2)...
|
||
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
||
|
if endnode_recv != '':
|
||
|
raise Exception('Broadcast message should not be received by endnode')
|
||
|
|
||
|
# ... but we should be able to do the same in opposite direction (forward to port #1)
|
||
|
host_recv = send_brcast_msg_endnode_to_host(endnode, host_brcast_ip, TEST_MSG)
|
||
|
if host_recv != TEST_MSG:
|
||
|
raise Exception('Broadcast message was not received by host')
|
||
|
|
||
|
# Remove ARP record from Test host computer. ARP is broadcasted, hence Bridge port does not reply to a request since
|
||
|
# it does not receive it (no forward to Bridge port). As a result, Bridge is not pingable.
|
||
|
subprocess.call(f'sudo arp -d {br_ip}', shell=True)
|
||
|
subprocess.call('arp -a', shell=True)
|
||
|
ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
|
||
|
if ping_test == 0:
|
||
|
raise Exception('Bridge should not be reachable')
|
||
|
|
||
|
# Remove current broadcast entry and replace it with extended one which includes Bridge port
|
||
|
# Now, we should be able to ping the Bridge...
|
||
|
dut.write('remove --addr=ff:ff:ff:ff:ff:ff')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
dut.write('add --addr=ff:ff:ff:ff:ff:ff -p 1 -c')
|
||
|
dut.expect_exact('Bridge Config OK!')
|
||
|
ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
|
||
|
if ping_test != 0:
|
||
|
raise Exception('Bridge is not reachable')
|
||
|
|
||
|
# ...but we should still not be able to receive a message at endnode (no forward to port #2)
|
||
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
||
|
if endnode_recv != '':
|
||
|
raise Exception('Broadcast message should not be received by endnode')
|
||
|
|
||
|
endnode.close()
|
||
|
switch1.close()
|