tests: Add a test of mesh path request TTL
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
This commit is contained in:
Masashi Honma
Jouni Malinen
parent
739779877a
commit
0b287a2af5
1 changed files with 112 additions and 0 deletions
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@ -6,6 +6,7 @@
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import tempfile, os, subprocess, errno, hwsim_utils
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import tempfile, os, subprocess, errno, hwsim_utils
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from utils import HwsimSkip
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from utils import HwsimSkip
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from wpasupplicant import WpaSupplicant
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from test_ap_open import _test_ap_open
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from test_ap_open import _test_ap_open
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from test_wpas_mesh import check_mesh_support, check_mesh_group_added
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from test_wpas_mesh import check_mesh_support, check_mesh_group_added
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from test_wpas_mesh import check_mesh_peer_connected, add_open_mesh_network
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from test_wpas_mesh import check_mesh_peer_connected, add_open_mesh_network
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@ -42,6 +43,26 @@ model:
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};
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};
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"""
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"""
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CFG3 = """
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ifaces :
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{
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ids = ["%s", "%s", "%s", "%s", "%s" ];
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};
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model:
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{
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type = "prob";
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default_prob = 1.0;
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links = (
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(0, 1, 0.000000),
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(1, 2, 0.000000),
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(2, 3, 0.000000),
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(3, 4, 0.000000)
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);
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};
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"""
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def get_wmediumd_version():
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def get_wmediumd_version():
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if len(LocalVariables.revs) > 0:
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if len(LocalVariables.revs) > 0:
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return LocalVariables.revs;
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return LocalVariables.revs;
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@ -205,3 +226,94 @@ def _test_wmediumd_path_simple(dev, apdev):
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dev[i].mesh_group_remove()
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dev[i].mesh_group_remove()
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check_mesh_group_removed(dev[i])
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check_mesh_group_removed(dev[i])
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dev[i].dump_monitor()
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dev[i].dump_monitor()
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def test_wmediumd_path_ttl(dev, apdev, params):
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"""Mesh path request TTL"""
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# 0 --- 1 --- 2 --- 3 --- 4
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# Test the TTL of mesh path request.
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# If the TTL is shorter than path, the mesh path request should be dropped.
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require_wmediumd_version(0, 3, 1)
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local_dev = []
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for i in range(0, 3):
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local_dev.append(dev[i])
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for i in range(5, 7):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan" + str(i))
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check_mesh_support(wpas)
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temp_dev = wpas.request("MESH_INTERFACE_ADD ifname=mesh" + str(i))
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if "FAIL" in temp_dev:
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raise Exception("MESH_INTERFACE_ADD failed")
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local_dev.append(WpaSupplicant(ifname=temp_dev))
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fd, fn = tempfile.mkstemp()
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try:
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f = os.fdopen(fd, 'w')
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f.write(CFG3 % (local_dev[0].own_addr(), local_dev[1].own_addr(),
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local_dev[2].own_addr(), local_dev[3].own_addr(),
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local_dev[4].own_addr()))
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f.close()
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p = start_wmediumd(fn, params)
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try:
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_test_wmediumd_path_ttl(local_dev, True)
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_test_wmediumd_path_ttl(local_dev, False)
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finally:
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stop_wmediumd(p, params)
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finally:
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os.unlink(fn)
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for i in range(5, 7):
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wpas.interface_remove("wlan" + str(i))
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def _test_wmediumd_path_ttl(dev, ok):
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for i in range(0, 5):
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check_mesh_support(dev[i])
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add_open_mesh_network(dev[i], freq="2462", basic_rates="60 120 240")
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# Check for mesh joined
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for i in range(0, 5):
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check_mesh_group_added(dev[i])
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state = dev[i].get_status_field("wpa_state")
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if state != "COMPLETED":
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raise Exception("Unexpected wpa_state on dev" + str(i) + ": " + state)
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mode = dev[i].get_status_field("mode")
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if mode != "mesh":
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raise Exception("Unexpected mode: " + mode)
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# set mesh path request ttl
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subprocess.check_call([ "iw", "dev", dev[0].ifname, "set", "mesh_param",
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"mesh_element_ttl=" + ("4" if ok else "3") ])
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# Check for peer connected
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for i in range(0, 5):
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check_mesh_peer_connected(dev[i])
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for i in range(1, 4):
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check_mesh_peer_connected(dev[i])
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# Test connectivity 0->4 and 0->4
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hwsim_utils.test_connectivity(dev[0], dev[4], success_expected=ok)
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# Check mpath table on 0
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res, data = dev[0].cmd_execute(['iw', dev[0].ifname, 'mpath', 'dump'])
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if res != 0:
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raise Exception("iw command failed on dev0")
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if ok:
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if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
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data.find(dev[4].own_addr() + ' ' + dev[1].own_addr()) == -1:
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raise Exception("mpath not found on dev0:\n" + data)
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else:
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if data.find(dev[1].own_addr() + ' ' + dev[1].own_addr()) == -1 or \
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data.find(dev[4].own_addr() + ' 00:00:00:00:00:00') == -1:
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raise Exception("mpath not found on dev0:\n" + data)
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if data.find(dev[0].own_addr()) > -1 or \
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data.find(dev[2].own_addr()) > -1 or \
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data.find(dev[3].own_addr()) > -1:
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raise Exception("invalid mpath found on dev0:\n" + data)
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# remove mesh groups
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for i in range(0, 3):
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dev[i].mesh_group_remove()
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check_mesh_group_removed(dev[i])
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dev[i].dump_monitor()
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