tests/hwsim/test_ap_qosmap.py

   1 # QoS Mapping tests
   2 # Copyright (c) 2013, Jouni Malinen <j@w1.fi>
   3 #
   4 # This software may be distributed under the terms of the BSD license.
   5 # See README for more details.
   6
   7 import time
   8 import subprocess
   9 import logging
  10 logger = logging.getLogger()
  11
  12 import hwsim_utils
  13 import hostapd
  14 from wlantest import Wlantest
  15
  16 def check_qos_map(ap, hapd, dev, dscp, tid, ap_tid=None):
  17     if not ap_tid:
  18         ap_tid = tid
  19     bssid = ap['bssid']
  20     sta = dev.p2p_interface_addr()
  21     wt = Wlantest()
  22     wt.clear_sta_counters(bssid, sta)
  23     hwsim_utils.test_connectivity(dev, hapd, dscp=dscp)
  24     time.sleep(0.02)
  25     [ tx, rx ] = wt.get_tid_counters(bssid, sta)
  26     if tx[tid] == 0:
  27         logger.info("Expected TX DSCP " + str(dscp) + " with TID " + str(tid) + " but counters: " + str(tx))
  28         raise Exception("No STA->AP data frame using the expected TID")
  29     if rx[ap_tid] == 0:
  30         logger.info("Expected RX DSCP " + str(dscp) + " with TID " + str(ap_tid) + " but counters: " + str(rx))
  31         raise Exception("No AP->STA data frame using the expected TID")
  32
  33 def test_ap_qosmap(dev, apdev):
  34     """QoS mapping"""
  35     drv_flags = dev[0].get_driver_status_field("capa.flags")
  36     if int(drv_flags, 0) & 0x40000000 == 0:
  37         return "skip"
  38     ssid = "test-qosmap"
  39     params = { "ssid": ssid }
  40     params['qos_map_set'] = '53,2,22,6,8,15,0,7,255,255,16,31,32,39,255,255,40,47,48,55'
  41     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  42     dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
  43     time.sleep(0.1)
  44     check_qos_map(apdev[0], hapd, dev[0], 53, 2)
  45     check_qos_map(apdev[0], hapd, dev[0], 22, 6)
  46     check_qos_map(apdev[0], hapd, dev[0], 8, 0)
  47     check_qos_map(apdev[0], hapd, dev[0], 15, 0)
  48     check_qos_map(apdev[0], hapd, dev[0], 0, 1)
  49     check_qos_map(apdev[0], hapd, dev[0], 7, 1)
  50     check_qos_map(apdev[0], hapd, dev[0], 16, 3)
  51     check_qos_map(apdev[0], hapd, dev[0], 31, 3)
  52     check_qos_map(apdev[0], hapd, dev[0], 32, 4)
  53     check_qos_map(apdev[0], hapd, dev[0], 39, 4)
  54     check_qos_map(apdev[0], hapd, dev[0], 40, 6)
  55     check_qos_map(apdev[0], hapd, dev[0], 47, 6)
  56     check_qos_map(apdev[0], hapd, dev[0], 48, 7)
  57     check_qos_map(apdev[0], hapd, dev[0], 55, 7)
  58     hapd.request("SET_QOS_MAP_SET 22,6,8,15,0,7,255,255,16,31,32,39,255,255,40,47,48,55")
  59     hapd.request("SEND_QOS_MAP_CONF " + dev[0].get_status_field("address"))
  60     check_qos_map(apdev[0], hapd, dev[0], 53, 7)
  61     check_qos_map(apdev[0], hapd, dev[0], 22, 6)
  62     check_qos_map(apdev[0], hapd, dev[0], 48, 7)
  63     check_qos_map(apdev[0], hapd, dev[0], 55, 7)
  64     check_qos_map(apdev[0], hapd, dev[0], 56, 56 >> 3)
  65     check_qos_map(apdev[0], hapd, dev[0], 63, 63 >> 3)
  66
  67 def test_ap_qosmap_default(dev, apdev):
  68     """QoS mapping with default values"""
  69     ssid = "test-qosmap-default"
  70     params = { "ssid": ssid }
  71     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  72     dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
  73     for dscp in [ 0, 7, 8, 15, 16, 23, 24, 31, 32, 39, 40, 47, 48, 55, 56, 63]:
  74         check_qos_map(apdev[0], hapd, dev[0], dscp, dscp >> 3)
  75
  76 def test_ap_qosmap_default_acm(dev, apdev):
  77     """QoS mapping with default values and ACM=1 for VO/VI"""
  78     ssid = "test-qosmap-default"
  79     params = { "ssid": ssid,
  80                "wmm_ac_bk_aifs": "7",
  81                "wmm_ac_bk_cwmin": "4",
  82                "wmm_ac_bk_cwmax": "10",
  83                "wmm_ac_bk_txop_limit": "0",
  84                "wmm_ac_bk_acm": "0",
  85                "wmm_ac_be_aifs": "3",
  86                "wmm_ac_be_cwmin": "4",
  87                "wmm_ac_be_cwmax": "10",
  88                "wmm_ac_be_txop_limit": "0",
  89                "wmm_ac_be_acm": "0",
  90                "wmm_ac_vi_aifs": "2",
  91                "wmm_ac_vi_cwmin": "3",
  92                "wmm_ac_vi_cwmax": "4",
  93                "wmm_ac_vi_txop_limit": "94",
  94                "wmm_ac_vi_acm": "1",
  95                "wmm_ac_vo_aifs": "2",
  96                "wmm_ac_vo_cwmin": "2",
  97                "wmm_ac_vo_cwmax": "2",
  98                "wmm_ac_vo_txop_limit": "47",
  99                "wmm_ac_vo_acm": "1"  }
 100     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
 101     dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
 102     for dscp in [ 0, 7, 8, 15, 16, 23, 24, 31, 32, 39, 40, 47, 48, 55, 56, 63]:
 103         ap_tid = dscp >> 3
 104         tid = ap_tid
 105         # downgrade VI/VO to BE
 106         if tid in [ 4, 5, 6, 7 ]:
 107             tid = 3
 108         check_qos_map(apdev[0], hapd, dev[0], dscp, tid, ap_tid)
 109
 110 def test_ap_qosmap_invalid(dev, apdev):
 111     """QoS mapping ctrl_iface error handling"""
 112     ssid = "test-qosmap"
 113     params = { "ssid": ssid }
 114     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
 115     if "FAIL" not in hapd.request("SEND_QOS_MAP_CONF 00:11:22:33:44:55"):
 116         raise Exception("Unexpected SEND_QOS_MAP_CONF success")
 117     if "FAIL" not in hapd.request("SET_QOS_MAP_SET "):
 118         raise Exception("Unexpected SET_QOS_MAP_SET success")
 119     if "FAIL" not in hapd.request("SET_QOS_MAP_SET 1,2,3"):
 120         raise Exception("Unexpected SET_QOS_MAP_SET success")
 121     if "FAIL" not in hapd.request("SET_QOS_MAP_SET 1,-2,3"):
 122         raise Exception("Unexpected SET_QOS_MAP_SET success")
 123     if "FAIL" not in hapd.request("SET_QOS_MAP_SET 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59"):
 124         raise Exception("Unexpected SET_QOS_MAP_SET success")
 125     if "FAIL" not in hapd.request("SET_QOS_MAP_SET 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21"):
 126         raise Exception("Unexpected SET_QOS_MAP_SET success")
 127
 128     if "FAIL" in hapd.request("SET_QOS_MAP_SET 22,6,8,15,0,7,255,255,16,31,32,39,255,255,40,47,48,55"):
 129         raise Exception("Unexpected SET_QOS_MAP_SET failure")
 130     if "FAIL" not in hapd.request("SEND_QOS_MAP_CONF 00:11:22:33:44:55"):
 131         raise Exception("Unexpected SEND_QOS_MAP_CONF success")
 132     if "FAIL" not in hapd.request("SEND_QOS_MAP_CONF 00:11:22:33:44"):
 133         raise Exception("Unexpected SEND_QOS_MAP_CONF success")