You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
481 lines
16 KiB
Python
481 lines
16 KiB
Python
# wmediumd sanity checks
|
|
# Copyright (c) 2015, Intel Deutschland GmbH
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
import tempfile, os, subprocess, errno, hwsim_utils, time
|
|
from utils import HwsimSkip
|
|
from wpasupplicant import WpaSupplicant
|
|
from tshark import run_tshark
|
|
from test_ap_open import _test_ap_open
|
|
from test_scan import test_scan_only_one as _test_scan_only_one
|
|
from test_wpas_mesh import check_mesh_support, check_mesh_group_added
|
|
from test_wpas_mesh import check_mesh_peer_connected, add_open_mesh_network
|
|
from test_wpas_mesh import check_mesh_group_removed
|
|
|
|
class LocalVariables:
|
|
revs = []
|
|
|
|
CFG = """
|
|
ifaces :
|
|
{
|
|
ids = ["%s", "%s"]
|
|
links = (
|
|
(0, 1, 30)
|
|
)
|
|
}
|
|
"""
|
|
|
|
CFG2 = """
|
|
ifaces :
|
|
{
|
|
ids = ["%s", "%s", "%s"]
|
|
}
|
|
|
|
model:
|
|
{
|
|
type = "prob"
|
|
|
|
links = (
|
|
(0, 1, 0.000000),
|
|
(0, 2, 0.000000),
|
|
(1, 2, 1.000000)
|
|
)
|
|
}
|
|
"""
|
|
|
|
CFG3 = """
|
|
ifaces :
|
|
{
|
|
ids = ["%s", "%s", "%s", "%s", "%s"]
|
|
}
|
|
|
|
model:
|
|
{
|
|
type = "prob"
|
|
|
|
default_prob = 1.0
|
|
links = (
|
|
(0, 1, 0.000000),
|
|
(1, 2, 0.000000),
|
|
(2, 3, 0.000000),
|
|
(3, 4, 0.000000)
|
|
)
|
|
}
|
|
"""
|
|
|
|
def get_wmediumd_version():
|
|
if len(LocalVariables.revs) > 0:
|
|
return LocalVariables.revs
|
|
|
|
try:
|
|
verstr = subprocess.check_output(['wmediumd', '-V']).decode()
|
|
except OSError as e:
|
|
if e.errno == errno.ENOENT:
|
|
raise HwsimSkip('wmediumd not available')
|
|
raise
|
|
|
|
vernum = verstr.split(' ')[1][1:]
|
|
LocalVariables.revs = vernum.split('.')
|
|
for i in range(0, len(LocalVariables.revs)):
|
|
LocalVariables.revs[i] = int(LocalVariables.revs[i])
|
|
while len(LocalVariables.revs) < 3:
|
|
LocalVariables.revs += [0]
|
|
|
|
return LocalVariables.revs
|
|
|
|
def require_wmediumd_version(major, minor, patch):
|
|
revs = get_wmediumd_version()
|
|
if revs[0] < major or revs[1] < minor or revs[2] < patch:
|
|
raise HwsimSkip('wmediumd v%s.%s.%s is too old for this test' %
|
|
(revs[0], revs[1], revs[2]))
|
|
|
|
def output_wmediumd_log(p, params, data):
|
|
log_file = open(os.path.abspath(os.path.join(params['logdir'],
|
|
'wmediumd.log')), 'a')
|
|
log_file.write(data)
|
|
log_file.close()
|
|
|
|
def start_wmediumd(fn, params):
|
|
try:
|
|
p = subprocess.Popen(['wmediumd', '-c', fn],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT)
|
|
except OSError as e:
|
|
if e.errno == errno.ENOENT:
|
|
raise HwsimSkip('wmediumd not available')
|
|
raise
|
|
|
|
logs = ''
|
|
while True:
|
|
line = p.stdout.readline().decode()
|
|
if not line:
|
|
output_wmediumd_log(p, params, logs)
|
|
raise Exception('wmediumd was terminated unexpectedly')
|
|
if line.find('REGISTER SENT!') > -1:
|
|
break
|
|
logs += line
|
|
return p
|
|
|
|
def stop_wmediumd(p, params):
|
|
p.terminate()
|
|
p.wait()
|
|
stdoutdata, stderrdata = p.communicate()
|
|
output_wmediumd_log(p, params, stdoutdata.decode())
|
|
|
|
def test_wmediumd_simple(dev, apdev, params):
|
|
"""test a simple wmediumd configuration"""
|
|
fd, fn = tempfile.mkstemp()
|
|
try:
|
|
f = os.fdopen(fd, 'w')
|
|
f.write(CFG % (apdev[0]['bssid'], dev[0].own_addr()))
|
|
f.close()
|
|
p = start_wmediumd(fn, params)
|
|
try:
|
|
_test_ap_open(dev, apdev)
|
|
finally:
|
|
stop_wmediumd(p, params)
|
|
# test that releasing hwsim works correctly
|
|
_test_ap_open(dev, apdev)
|
|
finally:
|
|
os.unlink(fn)
|
|
|
|
def test_wmediumd_path_simple(dev, apdev, params):
|
|
"""test a mesh path"""
|
|
# 0 and 1 is connected
|
|
# 0 and 2 is connected
|
|
# 1 and 2 is not connected
|
|
# 1 --- 0 --- 2
|
|
# | |
|
|
# +-----X-----+
|
|
# This tests if 1 and 2 can communicate each other via 0.
|
|
require_wmediumd_version(0, 3, 1)
|
|
fd, fn = tempfile.mkstemp()
|
|
try:
|
|
f = os.fdopen(fd, 'w')
|
|
f.write(CFG2 % (dev[0].own_addr(), dev[1].own_addr(),
|
|
dev[2].own_addr()))
|
|
f.close()
|
|
p = start_wmediumd(fn, params)
|
|
try:
|
|
_test_wmediumd_path_simple(dev, apdev)
|
|
finally:
|
|
stop_wmediumd(p, params)
|
|
finally:
|
|
os.unlink(fn)
|
|
|
|
def _test_wmediumd_path_simple(dev, apdev):
|
|
for i in range(0, 3):
|
|
check_mesh_support(dev[i])
|
|
add_open_mesh_network(dev[i], freq="2462", basic_rates="60 120 240")
|
|
|
|
# Check for mesh joined
|
|
for i in range(0, 3):
|
|
check_mesh_group_added(dev[i])
|
|
|
|
state = dev[i].get_status_field("wpa_state")
|
|
if state != "COMPLETED":
|
|
raise Exception("Unexpected wpa_state on dev" + str(i) + ": " + state)
|
|
|
|
mode = dev[i].get_status_field("mode")
|
|
if mode != "mesh":
|
|
raise Exception("Unexpected mode: " + mode)
|
|
|
|
# Check for peer connected
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[1])
|
|
check_mesh_peer_connected(dev[2])
|
|
|
|
# Test connectivity 1->2 and 2->1
|
|
hwsim_utils.test_connectivity(dev[1], dev[2])
|
|
|
|
# Check mpath table on 0
|
|
res, data = dev[0].cmd_execute(['iw', dev[0].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev0")
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
|
|
data.find(dev[2].own_addr() + ' ' + dev[2].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev0:\n" + data)
|
|
if data.find(dev[0].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev0:\n" + data)
|
|
|
|
# Check mpath table on 1
|
|
res, data = dev[1].cmd_execute(['iw', dev[1].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev1")
|
|
if data.find(dev[0].own_addr() + ' ' + dev[0].own_addr()) == -1 or \
|
|
data.find(dev[2].own_addr() + ' ' + dev[0].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev1:\n" + data)
|
|
if data.find(dev[2].own_addr() + ' ' + dev[2].own_addr()) > -1 or \
|
|
data.find(dev[1].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev1:\n" + data)
|
|
|
|
# Check mpath table on 2
|
|
res, data = dev[2].cmd_execute(['iw', dev[2].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev2")
|
|
if data.find(dev[0].own_addr() + ' ' + dev[0].own_addr()) == -1 or \
|
|
data.find(dev[1].own_addr() + ' ' + dev[0].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev2:\n" + data)
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) > -1 or \
|
|
data.find(dev[2].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev2:\n" + data)
|
|
|
|
# remove mesh groups
|
|
for i in range(0, 3):
|
|
dev[i].mesh_group_remove()
|
|
check_mesh_group_removed(dev[i])
|
|
dev[i].dump_monitor()
|
|
|
|
def test_wmediumd_path_ttl(dev, apdev, params):
|
|
"""Mesh path request TTL"""
|
|
# 0 --- 1 --- 2 --- 3 --- 4
|
|
# Test the TTL of mesh path request.
|
|
# If the TTL is shorter than path, the mesh path request should be dropped.
|
|
require_wmediumd_version(0, 3, 1)
|
|
|
|
local_dev = []
|
|
for i in range(0, 3):
|
|
local_dev.append(dev[i])
|
|
|
|
for i in range(5, 7):
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add("wlan" + str(i))
|
|
check_mesh_support(wpas)
|
|
temp_dev = wpas.request("MESH_INTERFACE_ADD ifname=mesh" + str(i))
|
|
if "FAIL" in temp_dev:
|
|
raise Exception("MESH_INTERFACE_ADD failed")
|
|
local_dev.append(WpaSupplicant(ifname=temp_dev))
|
|
|
|
fd, fn = tempfile.mkstemp()
|
|
try:
|
|
f = os.fdopen(fd, 'w')
|
|
f.write(CFG3 % (local_dev[0].own_addr(), local_dev[1].own_addr(),
|
|
local_dev[2].own_addr(), local_dev[3].own_addr(),
|
|
local_dev[4].own_addr()))
|
|
f.close()
|
|
p = start_wmediumd(fn, params)
|
|
try:
|
|
_test_wmediumd_path_ttl(local_dev, True)
|
|
_test_wmediumd_path_ttl(local_dev, False)
|
|
finally:
|
|
stop_wmediumd(p, params)
|
|
finally:
|
|
os.unlink(fn)
|
|
for i in range(5, 7):
|
|
wpas.interface_remove("wlan" + str(i))
|
|
|
|
def _test_wmediumd_path_ttl(dev, ok):
|
|
for i in range(0, 5):
|
|
check_mesh_support(dev[i])
|
|
add_open_mesh_network(dev[i], freq="2462", basic_rates="60 120 240")
|
|
|
|
# Check for mesh joined
|
|
for i in range(0, 5):
|
|
check_mesh_group_added(dev[i])
|
|
|
|
state = dev[i].get_status_field("wpa_state")
|
|
if state != "COMPLETED":
|
|
raise Exception("Unexpected wpa_state on dev" + str(i) + ": " + state)
|
|
|
|
mode = dev[i].get_status_field("mode")
|
|
if mode != "mesh":
|
|
raise Exception("Unexpected mode: " + mode)
|
|
|
|
# set mesh path request ttl
|
|
subprocess.check_call(["iw", "dev", dev[0].ifname, "set", "mesh_param",
|
|
"mesh_element_ttl=" + ("4" if ok else "3")])
|
|
|
|
# Check for peer connected
|
|
for i in range(0, 5):
|
|
check_mesh_peer_connected(dev[i])
|
|
for i in range(1, 4):
|
|
check_mesh_peer_connected(dev[i])
|
|
|
|
# Test connectivity 0->4 and 0->4
|
|
hwsim_utils.test_connectivity(dev[0], dev[4], success_expected=ok)
|
|
|
|
# Check mpath table on 0
|
|
res, data = dev[0].cmd_execute(['iw', dev[0].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev0")
|
|
if ok:
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
|
|
data.find(dev[4].own_addr() + ' ' + dev[1].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev0:\n" + data)
|
|
else:
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
|
|
data.find(dev[4].own_addr() + ' 00:00:00:00:00:00') == -1:
|
|
raise Exception("mpath not found on dev0:\n" + data)
|
|
if data.find(dev[0].own_addr()) > -1 or \
|
|
data.find(dev[2].own_addr()) > -1 or \
|
|
data.find(dev[3].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev0:\n" + data)
|
|
|
|
# remove mesh groups
|
|
for i in range(0, 3):
|
|
dev[i].mesh_group_remove()
|
|
check_mesh_group_removed(dev[i])
|
|
dev[i].dump_monitor()
|
|
|
|
def test_wmediumd_path_rann(dev, apdev, params):
|
|
"""Mesh path with RANN"""
|
|
# 0 and 1 is connected
|
|
# 0 and 2 is connected
|
|
# 1 and 2 is not connected
|
|
# 2 is mesh root and RANN enabled
|
|
# 1 --- 0 --- 2
|
|
# | |
|
|
# +-----X-----+
|
|
# This tests if 1 and 2 can communicate each other via 0.
|
|
require_wmediumd_version(0, 3, 1)
|
|
fd, fn = tempfile.mkstemp()
|
|
try:
|
|
f = os.fdopen(fd, 'w')
|
|
f.write(CFG2 % (dev[0].own_addr(), dev[1].own_addr(),
|
|
dev[2].own_addr()))
|
|
f.close()
|
|
p = start_wmediumd(fn, params)
|
|
try:
|
|
_test_wmediumd_path_rann(dev, apdev)
|
|
finally:
|
|
stop_wmediumd(p, params)
|
|
finally:
|
|
os.unlink(fn)
|
|
|
|
capfile = os.path.join(params['logdir'], "hwsim0.pcapng")
|
|
|
|
# check Root STA address in root announcement element
|
|
filt = "wlan.fc.type_subtype == 0x000d && " + \
|
|
"wlan_mgt.fixed.mesh_action == 0x01 && " + \
|
|
"wlan_mgt.tag.number == 126"
|
|
out = run_tshark(capfile, filt, ["wlan.rann.root_sta"])
|
|
if out is None:
|
|
raise Exception("No captured data found\n")
|
|
if out.find(dev[2].own_addr()) == -1 or \
|
|
out.find(dev[0].own_addr()) > -1 or \
|
|
out.find(dev[1].own_addr()) > -1:
|
|
raise Exception("RANN should be sent by dev2 only:\n" + out)
|
|
|
|
# check RANN interval is in range
|
|
filt = "wlan.sa == 02:00:00:00:02:00 && " + \
|
|
"wlan.fc.type_subtype == 0x000d && " + \
|
|
"wlan_mgt.fixed.mesh_action == 0x01 && " + \
|
|
"wlan_mgt.tag.number == 126"
|
|
out = run_tshark(capfile, filt, ["frame.time_relative"])
|
|
if out is None:
|
|
raise Exception("No captured data found\n")
|
|
lines = out.splitlines()
|
|
prev = float(lines[len(lines) - 1])
|
|
for i in reversed(list(range(1, len(lines) - 1))):
|
|
now = float(lines[i])
|
|
if prev - now < 1.0 or 3.0 < prev - now:
|
|
raise Exception("RANN interval " + str(prev - now) +
|
|
"(sec) should be close to 2.0(sec)\n")
|
|
prev = now
|
|
|
|
# check no one uses broadcast path request
|
|
filt = "wlan.da == ff:ff:ff:ff:ff:ff && " + \
|
|
"wlan.fc.type_subtype == 0x000d && " + \
|
|
"wlan_mgt.fixed.mesh_action == 0x01 && " + \
|
|
"wlan_mgt.tag.number == 130"
|
|
out = run_tshark(capfile, filt, ["wlan.sa", "wlan.da"])
|
|
if out is None:
|
|
raise Exception("No captured data found\n")
|
|
if len(out) > 0:
|
|
raise Exception("invalid broadcast path requests\n" + out)
|
|
|
|
def _test_wmediumd_path_rann(dev, apdev):
|
|
for i in range(0, 3):
|
|
check_mesh_support(dev[i])
|
|
add_open_mesh_network(dev[i], freq="2462", basic_rates="60 120 240")
|
|
|
|
# Check for mesh joined
|
|
for i in range(0, 3):
|
|
check_mesh_group_added(dev[i])
|
|
|
|
state = dev[i].get_status_field("wpa_state")
|
|
if state != "COMPLETED":
|
|
raise Exception("Unexpected wpa_state on dev" + str(i) + ": " + state)
|
|
|
|
mode = dev[i].get_status_field("mode")
|
|
if mode != "mesh":
|
|
raise Exception("Unexpected mode: " + mode)
|
|
|
|
# set node 2 as RANN supported root
|
|
subprocess.check_call(["iw", "dev", dev[0].ifname, "set", "mesh_param",
|
|
"mesh_hwmp_rootmode=0"])
|
|
subprocess.check_call(["iw", "dev", dev[1].ifname, "set", "mesh_param",
|
|
"mesh_hwmp_rootmode=0"])
|
|
subprocess.check_call(["iw", "dev", dev[2].ifname, "set", "mesh_param",
|
|
"mesh_hwmp_rootmode=4"])
|
|
subprocess.check_call(["iw", "dev", dev[2].ifname, "set", "mesh_param",
|
|
"mesh_hwmp_rann_interval=2000"])
|
|
|
|
# Check for peer connected
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[1])
|
|
check_mesh_peer_connected(dev[2])
|
|
|
|
# Wait for RANN frame
|
|
time.sleep(10)
|
|
|
|
# Test connectivity 1->2 and 2->1
|
|
hwsim_utils.test_connectivity(dev[1], dev[2])
|
|
|
|
# Check mpath table on 0
|
|
res, data = dev[0].cmd_execute(['iw', dev[0].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev0")
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
|
|
data.find(dev[2].own_addr() + ' ' + dev[2].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev0:\n" + data)
|
|
if data.find(dev[0].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev0:\n" + data)
|
|
|
|
# Check mpath table on 1
|
|
res, data = dev[1].cmd_execute(['iw', dev[1].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev1")
|
|
if data.find(dev[0].own_addr() + ' ' + dev[0].own_addr()) == -1 or \
|
|
data.find(dev[2].own_addr() + ' ' + dev[0].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev1:\n" + data)
|
|
if data.find(dev[2].own_addr() + ' ' + dev[2].own_addr()) > -1 or \
|
|
data.find(dev[1].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev1:\n" + data)
|
|
|
|
# Check mpath table on 2
|
|
res, data = dev[2].cmd_execute(['iw', dev[2].ifname, 'mpath', 'dump'])
|
|
if res != 0:
|
|
raise Exception("iw command failed on dev2")
|
|
if data.find(dev[0].own_addr() + ' ' + dev[0].own_addr()) == -1 or \
|
|
data.find(dev[1].own_addr() + ' ' + dev[0].own_addr()) == -1:
|
|
raise Exception("mpath not found on dev2:\n" + data)
|
|
if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) > -1 or \
|
|
data.find(dev[2].own_addr()) > -1:
|
|
raise Exception("invalid mpath found on dev2:\n" + data)
|
|
|
|
# remove mesh groups
|
|
for i in range(0, 3):
|
|
dev[i].mesh_group_remove()
|
|
check_mesh_group_removed(dev[i])
|
|
dev[i].dump_monitor()
|
|
|
|
def test_wmediumd_scan_only_one(dev, apdev, params):
|
|
"""Test that scanning with a single active AP only returns that one (wmediund)"""
|
|
fd, fn = tempfile.mkstemp()
|
|
try:
|
|
f = os.fdopen(fd, 'w')
|
|
f.write(CFG % (apdev[0]['bssid'], dev[0].own_addr()))
|
|
f.close()
|
|
p = start_wmediumd(fn, params)
|
|
try:
|
|
_test_scan_only_one(dev, apdev)
|
|
finally:
|
|
stop_wmediumd(p, params)
|
|
finally:
|
|
os.unlink(fn)
|