test_ap_qosmap.py 4.3 KB

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