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197 lines
10 KiB
Python
197 lines
10 KiB
Python
# Test cases for SCS
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# Copyright (c) 2021, Jouni Malinen <j@w1.fi>
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# Copyright (c) 2021, The Linux Foundation
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import struct
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import time
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import hostapd
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from utils import *
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def register_scs_req(hapd):
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type = 0x00d0
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match = "1300"
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if "OK" not in hapd.request("REGISTER_FRAME %04x %s" % (type, match)):
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raise Exception("Could not register frame reception for Robust AV Streaming")
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def handle_scs_req(hapd, wrong_dialog=False, status_code=0, twice=False,
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short=False, scsid=1):
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msg = hapd.mgmt_rx()
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if msg['subtype'] != 13:
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logger.info("RX:" + str(msg))
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raise Exception("Received unexpected Management frame")
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categ, act, dialog_token = struct.unpack('BBB', msg['payload'][0:3])
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if categ != 19 or act != 0:
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logger.info("RX:" + str(msg))
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raise Exception("Received unexpected Action frame")
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if wrong_dialog:
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dialog_token = (dialog_token + 1) % 256
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msg['da'] = msg['sa']
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msg['sa'] = hapd.own_addr()
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count = 1
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if short:
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resp = struct.pack('BBB', 19, 1, dialog_token)
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else:
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resp = struct.pack('BBBB', 19, 1, dialog_token, count)
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resp += struct.pack('<BH', scsid, status_code)
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msg['payload'] = resp
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hapd.mgmt_tx(msg)
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ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
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if ev is None or "stype=13 ok=1" not in ev:
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raise Exception("No TX status reported")
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if twice:
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hapd.mgmt_tx(msg)
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ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
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if ev is None or "stype=13 ok=1" not in ev:
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raise Exception("No TX status reported")
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def wait_scs_result(dev, expect_status="0"):
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ev = dev.wait_event(["CTRL-EVENT-SCS-RESULT"], timeout=2)
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if ev is None:
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raise Exception("No SCS result reported")
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if "status_code=%s" % expect_status not in ev:
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raise Exception("Unexpected SCS result: " + ev)
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def test_scs_invalid_params(dev, apdev):
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"""SCS command invalid parameters"""
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tests = ["",
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"scs_id=1",
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"scs_id=1 foo",
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"scs_id=1 add ",
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"scs_id=1 add scs_up=8",
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"scs_id=1 add scs_up=7",
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"scs_id=1 add scs_up=7 classifier_type=1",
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"scs_id=1 add scs_up=7 classifier_type=4",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4 src_ip=q",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4 dst_ip=q",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4 src_port=q",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4 dst_port=q",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv4 protocol=foo",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv6 protocol=foo",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv6 next_header=foo",
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"scs_id=1 add scs_up=7 classifier_type=4 ip_version=ipv6 flow_label=ffffff",
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"scs_id=1 add scs_up=7 classifier_type=10",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=qq",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffff",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=qqqqqqqq",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=foo filter_value=11223344 filter_mask=ffffffff",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11 filter_mask=ee classifier_type=10 prot_instance=2 prot_number=udp filter_value=22 filter_mask=ff",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11 filter_mask=ee classifier_type=10 prot_instance=2 prot_number=udp filter_value=22 filter_mask=ff tclas_processing=2",
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"scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11 filter_mask=ee classifier_type=10 prot_instance=2 prot_number=udp filter_value=22 filter_mask=ff tclas_processing=0",
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"scs_id=1 add scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp scs_id=1 add scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=tcp"
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"scs_id=1 remove",
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"scs_id=1 change "]
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for t in tests:
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if "FAIL" not in dev[0].request("SCS " + t):
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raise Exception("Invalid SCS parameters accepted: " + t)
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def test_scs_request(dev, apdev):
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"""SCS Request"""
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params = {"ssid": "scs",
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"ext_capa": 6*"00" + "40"}
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hapd = hostapd.add_ap(apdev[0], params)
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register_scs_req(hapd)
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dev[0].connect("scs", key_mgmt="NONE", scan_freq="2412")
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hapd.dump_monitor()
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hapd.set("ext_mgmt_frame_handling", "1")
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cmd = "SCS scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS add failed")
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handle_scs_req(hapd)
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wait_scs_result(dev[0])
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cmd = "SCS scs_id=2 add scs_up=5 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS add failed")
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handle_scs_req(hapd, wrong_dialog=True)
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ev = dev[0].wait_event(["CTRL-EVENT-SCS-RESULT"], timeout=2)
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if ev is None:
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raise Exception("No SCS result reported")
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if "status_code=timedout" not in ev:
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raise Exception("Timeout not reported: " + ev)
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cmd = "SCS scs_id=1 add scs_up=5 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff"
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if "FAIL" not in dev[0].request(cmd):
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raise Exception("SCS add for already configured scs_id did not fail")
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cmd = "SCS scs_id=1 remove"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS remove failed")
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handle_scs_req(hapd)
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wait_scs_result(dev[0])
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tests = ["scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp",
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"scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=tcp",
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"scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=esp",
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"scs_up=6 classifier_type=4 ip_version=ipv6 src_ip=::1 dst_ip=::1 src_port=12345 dst_port=23456 dscp=5 next_header=udp",
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"scs_up=6 classifier_type=4 ip_version=ipv6 src_ip=::1 dst_ip=::1 src_port=12345 dst_port=23456 dscp=5 next_header=tcp",
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"scs_up=6 classifier_type=4 ip_version=ipv6 src_ip=::1 dst_ip=::1 src_port=12345 dst_port=23456 dscp=5 next_header=esp flow_label=012345",
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"scs_up=6 classifier_type=10 prot_instance=1 prot_number=tcp filter_value=11223344 filter_mask=ffffffff",
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"scs_up=6 classifier_type=10 prot_instance=1 prot_number=esp filter_value=11223344 filter_mask=ffffffff",
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"scs_up=6 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff",
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"scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=tcp tclas_processing=1",
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"scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp scs_id=10 add scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=tcp"]
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for t in tests:
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cmd = "SCS scs_id=1 change " + t
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS change failed: " + t)
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handle_scs_req(hapd)
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wait_scs_result(dev[0])
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if "scs_id=" in t:
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wait_scs_result(dev[0], expect_status="response_not_received")
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cmd = "SCS scs_id=1 change scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS change failed: " + t)
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if "FAIL" not in dev[0].request(cmd):
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raise Exception("SCS change failed: " + t)
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handle_scs_req(hapd, twice=True)
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wait_scs_result(dev[0])
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ev = dev[0].wait_event(["CTRL-EVENT-SCS-RESULT"], timeout=0.1)
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if ev is not None:
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raise Exception("Unexpected SCS result reported(1)")
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS change failed: " + t)
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handle_scs_req(hapd, short=True)
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ev = dev[0].wait_event(["CTRL-EVENT-SCS-RESULT"], timeout=3)
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if ev is not None:
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raise Exception("Unexpected SCS result reported(2)")
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cmd = "SCS scs_id=123 add scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS add failed: " + t)
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handle_scs_req(hapd, scsid=34)
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wait_scs_result(dev[0], expect_status="response_not_received")
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cmd = "SCS scs_id=33 add scs_up=6 classifier_type=4 ip_version=ipv4 src_ip=1.2.3.4 dst_ip=5.6.7.8 src_port=12345 dst_port=23456 dscp=5 protocol=udp"
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if "OK" not in dev[0].request(cmd):
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raise Exception("SCS add failed: " + t)
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handle_scs_req(hapd, scsid=33, status_code=123)
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wait_scs_result(dev[0], expect_status="123")
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def test_scs_request_without_ap_capa(dev, apdev):
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"""SCS Request without AP capability"""
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params = {"ssid": "scs"}
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hapd = hostapd.add_ap(apdev[0], params)
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dev[0].connect("scs", key_mgmt="NONE", scan_freq="2412")
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cmd = "SCS scs_id=1 add scs_up=7 classifier_type=10 prot_instance=1 prot_number=udp filter_value=11223344 filter_mask=ffffffff"
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if "FAIL" not in dev[0].request(cmd):
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raise Exception("SCS add accepted")
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