Signed-off-by: Masashi Honma <masashi.honma@xxxxxxxxx>
---
tests/hwsim/test_wmediumd.py | 95 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/tests/hwsim/test_wmediumd.py b/tests/hwsim/test_wmediumd.py
index 9da54d3..cdc0ca3 100644
--- a/tests/hwsim/test_wmediumd.py
+++ b/tests/hwsim/test_wmediumd.py
@@ -34,6 +34,30 @@ ifaces :
};
"""
+CFG3 = """
+ifaces :
+{
+ ids = ["%s", "%s", "%s", "%s", "%s" ];
+};
+
+model :
+{
+ type = "path_loss";
+ positions = (
+ ( 0.0, 0.0),
+ ( 50.0, 0.0),
+ (100.0, 0.0),
+ (150.0, 0.0),
+ (200.0, 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 output_wmediumd_log(p, params, data):
log_file = open(os.path.abspath(os.path.join(params['logdir'],
'wmediumd.log')), 'a')
@@ -170,3 +194,74 @@ 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 work.
+ # If the ttl is shorter than path, the mesh path request should be dropped
+ fd, fn = tempfile.mkstemp()
+ try:
+ f = os.fdopen(fd, 'w')
+ f.write(CFG3 % (dev[0].own_addr(), dev[1].own_addr(), dev[2].own_addr(), dev[3].own_addr(), dev[4].own_addr()))
+ f.close()
+ p = start_wmediumd(fn, params)
+ try:
+ _test_wmediumd_path_ttl(dev, apdev, True)
+ _test_wmediumd_path_ttl(dev, apdev, False)
+ finally:
+ stop_wmediumd(p, params)
+ finally:
+ os.unlink(fn)
+
+def _test_wmediumd_path_ttl(dev, apdev, 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, 5):
+ dev[i].mesh_group_remove()
+ check_mesh_group_removed(dev[i])
+ dev[i].dump_monitor()
--
2.7.4
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