Signed-off-by: Masashi Honma <masashi.honma@xxxxxxxxx>
---
tests/hwsim/test_wmediumd.py | 117 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 117 insertions(+)
diff --git a/tests/hwsim/test_wmediumd.py b/tests/hwsim/test_wmediumd.py
index a3e475b..2186c34 100644
--- a/tests/hwsim/test_wmediumd.py
+++ b/tests/hwsim/test_wmediumd.py
@@ -6,6 +6,7 @@
import tempfile, os, subprocess, errno, hwsim_utils
from utils import HwsimSkip
+from wpasupplicant import WpaSupplicant
from test_ap_open import _test_ap_open
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
@@ -37,6 +38,30 @@ ifaces :
};
"""
+CFG3 = """
+ifaces :
+{
+ ids = ["%s", "%s", "%s", "%s", "%s" ];
+};
+
+model :
+{
+ type = "path_loss";
+ positions = (
+ ( 0.0, 0.0),
+ ( 40.0, 0.0),
+ ( 80.0, 0.0),
+ (120.0, 0.0),
+ (160.0, 0.0)
+ );
+ tx_powers = (15.0, 15.0, 15.0, 15.0, 15.0);
+
+ model_name = "log_distance";
+ path_loss_exp = 3.5;
+ xg = 0.0;
+};
+"""
+
def check_wmediumd_version():
if LocalVariables.is_old_wmediumd != None:
if LocalVariables.is_old_wmediumd:
@@ -194,3 +219,95 @@ def _test_wmediumd_path_simple(dev, apdev):
dev[i].mesh_group_remove()
check_mesh_group_removed(dev[i])
dev[i].dump_monitor()
+
+def test_wmediumd_path_ttl(dev, apdev, params):
+ """test a 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.
+ check_wmediumd_version()
+
+ 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()
--
2.7.4
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