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tests: Extend DSCP testing coverage

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2021-09-30 16:55:01 +03:00 committed by Jouni Malinen
parent 2b4b1742ea
commit 7dc0e9cf47
1 changed files with 82 additions and 10 deletions
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92
tests/hwsim/test_dscp.py
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@ -20,15 +20,20 @@ def register_dscp_req(hapd):
if "OK" not in hapd.request("REGISTER_FRAME %04x %s" % (type, match)):
raise Exception("Could not register frame reception for Vendor specific protected type")
def send_dscp_req(hapd, da, oui_subtype, dialog_token, req_control, qos_ie):
def send_dscp_req(hapd, da, oui_subtype, dialog_token, req_control, qos_ie,
truncate=False):
type = 0
subtype = 13
category = 126
oui_type = 0x506f9a1a
req = struct.pack('>BLBBB', category, oui_type, oui_subtype,
dialog_token, req_control)
if qos_ie:
req += qos_ie
if truncate:
req = struct.pack('>BLBB', category, oui_type, oui_subtype,
dialog_token)
else:
req = struct.pack('>BLBBB', category, oui_type, oui_subtype,
dialog_token, req_control)
if qos_ie:
req += qos_ie
msg = {}
msg['fc'] = 0x00d0
@ -44,8 +49,8 @@ def send_dscp_req(hapd, da, oui_subtype, dialog_token, req_control, qos_ie):
if ev is None or "stype=13 ok=1" not in ev:
raise Exception("No DSCP Policy Request sent")
def prepare_qos_ie(policy_id, req_type, dscp, start_port, end_port,
frame_classifier, frame_class_len, domain_name):
def prepare_qos_ie(policy_id, req_type, dscp, start_port=0, end_port=0,
frame_classifier=None, frame_class_len=0, domain_name=None):
qos_elem_oui_type = 0x229a6f50
qos_elem_id = 221
@ -93,17 +98,17 @@ def validate_dscp_req_event(dev, event):
if ev is None:
raise Exception("No DSCP request reported")
if ev != event:
print("Invalid DSCP event received")
raise Exception("Invalid DSCP event received (%s; expected: %s)" % (ev, event))
def handle_dscp_query(hapd, query):
msg = hapd.mgmt_rx()
if msg['payload'] != query:
print("Invalid DSCP Query received at AP")
raise Exception("Invalid DSCP Query received at AP")
def handle_dscp_response(hapd, response):
msg = hapd.mgmt_rx()
if msg['payload'] != response:
print("Invalid DSCP Response received at AP")
raise Exception("Invalid DSCP Response received at AP")
def ap_sta_connectivity(dev, apdev, params):
p = hostapd.wpa2_params(passphrase="12345678")
@ -116,6 +121,7 @@ def ap_sta_connectivity(dev, apdev, params):
dev[0].request("SET enable_dscp_policy_capa 1")
dev[0].connect("dscp", psk="12345678", ieee80211w="1",
key_mgmt="WPA-PSK WPA-PSK-SHA256", scan_freq="2412")
hapd.wait_sta()
hapd.dump_monitor()
hapd.set("ext_mgmt_frame_handling", "1")
@ -149,6 +155,11 @@ def test_dscp_query(dev, apdev):
handle_dscp_query(hapd, query)
# Negative tests
cmd = "DSCP_QUERY domain_name=" + 250*'a' + ".example.com"
if "FAIL" not in dev[0].request(cmd):
raise Exception("Invalid DSCP_QUERY accepted")
dev[0].disconnect_and_stop_scan()
# AP without DSCP Capabilities
params = {"ssid": "dscp",
@ -279,6 +290,28 @@ def test_dscp_request(dev, apdev):
event = "<3>CTRL-EVENT-DSCP-POLICY request_end"
validate_dscp_req_event(dev[0], event)
# Too short DSCP Policy Request frame
dialog_token += 1
send_dscp_req(hapd, da, 1, dialog_token, 0, None, truncate=True)
# Request Type: Remove
dialog_token += 1
qos_ie = prepare_qos_ie(1, 1, 36)
send_dscp_req(hapd, da, 1, dialog_token, 0, qos_ie)
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_start")
validate_dscp_req_event(dev[0],
"<3>CTRL-EVENT-DSCP-POLICY remove policy_id=1")
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_end")
# Request Type: Reserved
dialog_token += 1
qos_ie = prepare_qos_ie(1, 2, 36)
send_dscp_req(hapd, da, 1, dialog_token, 0, qos_ie)
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_start")
validate_dscp_req_event(dev[0],
"<3>CTRL-EVENT-DSCP-POLICY reject policy_id=1")
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_end")
def test_dscp_response(dev, apdev):
"""DSCP Policy Response"""
@ -333,3 +366,42 @@ def test_dscp_response(dev, apdev):
cmd = "DSCP_RESP solicited policy_id=1 status=0 policy_id=5 status=0"
if "FAIL" not in dev[0].request(cmd):
raise Exception("Able to send invalid DSCP response")
def test_dscp_unsolicited_req_at_assoc(dev, apdev):
"""DSCP Policy and unsolicited request at association"""
params = {"ssid": "dscp",
"ext_capa": 6*"00" + "40",
"assocresp_elements": "dd06506f9a230103",
"vendor_elements": "dd06506f9a230103"}
hapd = ap_sta_connectivity(dev, apdev, params)
da = dev[0].own_addr()
dialog_token = 1
qos_ie = prepare_qos_ie(1, 0, 36, 12345, 23456)
send_dscp_req(hapd, da, 1, dialog_token, 0, qos_ie)
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_start")
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY add policy_id=1 dscp=36 ip_version=0 start_port=12345 end_port=23456")
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_end")
cmd = "DSCP_QUERY wildcard"
if "OK" not in dev[0].request(cmd):
raise Exception("Sending DSCP Query failed")
def test_dscp_missing_unsolicited_req_at_assoc(dev, apdev):
"""DSCP Policy and missing unsolicited request at association"""
params = {"ssid": "dscp",
"ext_capa": 6*"00" + "40",
"assocresp_elements": "dd06506f9a230103",
"vendor_elements": "dd06506f9a230103"}
hapd = ap_sta_connectivity(dev, apdev, params)
da = dev[0].own_addr()
cmd = "DSCP_QUERY wildcard"
if "FAIL" not in dev[0].request(cmd):
raise Exception("DSCP_QUERY accepted during wait for unsolicited requesdt")
time.sleep(5)
validate_dscp_req_event(dev[0], "<3>CTRL-EVENT-DSCP-POLICY request_wait end")
cmd = "DSCP_QUERY wildcard"
if "OK" not in dev[0].request(cmd):
raise Exception("Sending DSCP Query failed")