new file mode 100644
@@ -0,0 +1,36 @@
+# Python class for controlling Multi Link Device
+# Copyright (c) 2024, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import os
+import logging
+import wpaspy
+
+logger = logging.getLogger()
+hapd_ctrl = '/var/run/hostapd'
+
+class Multi_Link_Device:
+ def __init__(self, ifname, ctrl=hapd_ctrl, port=8877):
+ self.ifname = ifname
+ self.ctrl = wpaspy.Ctrl(os.path.join(ctrl, ifname))
+ self.dbg = ifname
+
+ def close_ctrl(self):
+ self.ctrl.close()
+ self.ctrl = None
+
+ def request(self, cmd):
+ logger.debug(self.dbg + ": MLD CTRL: " + cmd)
+ return self.ctrl.request(cmd)
+
+ def ping(self):
+ return "PONG" in self.request("PING")
+
+def get_mld_obj(ifname, ctrl=hapd_ctrl, port=8877):
+ mld = Multi_Link_Device(ifname, ctrl, port)
+ if not mld.ping():
+ raise Exception("Could not ping MLD %s" % ifname)
+
+ return mld
@@ -15,6 +15,7 @@ from tshark import run_tshark
from test_gas import hs20_ap_params
from test_dpp import check_dpp_capab, wait_auth_success
from test_rrm import build_beacon_request, run_req_beacon, BeaconReport
+import mld
def eht_verify_wifi_version(dev):
status = dev.get_status()
@@ -1905,3 +1906,36 @@ def test_eht_mlo_csa(dev, apdev):
traffic_test(wpas, hapd0)
#TODO: CSA on non-first link
+
+def test_eht_mld_socket_connectivity(dev, apdev):
+ """EHT MLD Socket Connectivity"""
+ with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
+ HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
+
+ ssid = "mld_ap"
+ link0_params = {"ssid": ssid,
+ "hw_mode": "g",
+ "channel": "1",
+ "link_id": "0"}
+ link1_params = {"ssid": ssid,
+ "hw_mode": "g",
+ "channel": "2",
+ "link_id": "1"}
+
+ hapd0 = eht_mld_enable_ap(hapd_iface, link0_params)
+ hapd1 = eht_mld_enable_ap(hapd_iface, link1_params)
+
+ mld_dev = mld.get_mld_obj(hapd_iface)
+
+ # Check status of each link
+ res = str(mld_dev.request("STATUS LINKID 0"))
+ if "state" not in res:
+ raise Exception("Failed to get link 0 status via MLD socket")
+
+ logger.info("LINK 0 STATUS: \n" + res)
+
+ res = mld_dev.request("STATUS LINKID 1")
+ if "state" not in res:
+ raise Exception("Failed to get link 1 status via MLD socket")
+
+ logger.info("LINK 1 STATUS: \n" + res)
Add simple test case to bring up a 2 link MLD and get the status of each link via the MLD level socket. Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com> --- tests/hwsim/mld.py | 36 ++++++++++++++++++++++++++++++++++++ tests/hwsim/test_eht.py | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 tests/hwsim/mld.py