1 # Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 7 from autotest_lib.client.bin import test 8 from autotest_lib.client.bin import utils 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.client.common_lib.cros.network import interface 11 12 13 class network_WlanDriver(test.test): 14 """ 15 Ensure wireless devices have the expected associated kernel driver. 16 """ 17 version = 1 18 DEVICES = [ 'wlan0', 'mlan0' ] 19 EXPECTED_DRIVER = { 20 'Atheros AR9280': { 21 '3.4': 'wireless/ath/ath9k/ath9k.ko', 22 '3.8': 'wireless-3.4/ath/ath9k/ath9k.ko' 23 }, 24 'Atheros AR9382': { 25 '3.4': 'wireless/ath/ath9k/ath9k.ko', 26 '3.8': 'wireless-3.4/ath/ath9k/ath9k.ko' 27 }, 28 'Intel 7260': { 29 '3.8': 'wireless/iwl7000/iwlwifi/iwlwifi.ko', 30 '3.10': 'wireless-3.8/iwl7000/iwlwifi/iwlwifi.ko', 31 '3.14': 'wireless-3.8/iwl7000/iwlwifi/iwlwifi.ko', 32 '4.4': 'wireless/iwl7000/iwlwifi/iwlwifi.ko' 33 }, 34 'Intel 7265': { 35 '3.8': 'wireless/iwl7000/iwlwifi/iwlwifi.ko', 36 '3.10': 'wireless-3.8/iwl7000/iwlwifi/iwlwifi.ko', 37 '3.14': 'wireless-3.8/iwl7000/iwlwifi/iwlwifi.ko', 38 '3.18': 'wireless/iwl7000/iwlwifi/iwlwifi.ko' 39 }, 40 'Atheros AR9462': { 41 '3.4': 'wireless/ath/ath9k_btcoex/ath9k_btcoex.ko', 42 '3.8': 'wireless-3.4/ath/ath9k_btcoex/ath9k_btcoex.ko' 43 }, 44 'Qualcomm Atheros QCA6174': { 45 '3.18': 'wireless/ar10k/ath/ath10k/ath10k_core.ko', 46 '3.18': 'wireless/ar10k/ath/ath10k/ath10k_pci.ko' 47 }, 48 'Qualcomm Atheros NFA344A/QCA6174': { 49 '3.18': 'wireless/ar10k/ath/ath10k/ath10k_core.ko', 50 '3.18': 'wireless/ar10k/ath/ath10k/ath10k_pci.ko' 51 }, 52 'Marvell 88W8797 SDIO': { 53 '3.4': 'wireless/mwifiex/mwifiex_sdio.ko', 54 '3.8': 'wireless-3.4/mwifiex/mwifiex_sdio.ko' 55 }, 56 'Marvell 88W8887 SDIO': { 57 '3.14': 'wireless-3.8/mwifiex/mwifiex_sdio.ko' 58 }, 59 'Marvell 88W8897 PCIE': { 60 '3.8': 'wireless/mwifiex/mwifiex_pcie.ko', 61 '3.10': 'wireless-3.8/mwifiex/mwifiex_pcie.ko' 62 }, 63 'Marvell 88W8897 SDIO': { 64 '3.8': 'wireless/mwifiex/mwifiex_sdio.ko', 65 '3.10': 'wireless-3.8/mwifiex/mwifiex_sdio.ko', 66 '3.14': 'wireless-3.8/mwifiex/mwifiex_sdio.ko', 67 '3.18': 'wireless/mwifiex/mwifiex_sdio.ko' 68 }, 69 'Broadcom BCM4354 SDIO': { 70 '3.8': 'wireless/brcm80211/brcmfmac/brcmfmac.ko', 71 '3.14': 'wireless-3.8/brcm80211/brcmfmac/brcmfmac.ko' 72 }, 73 'Broadcom BCM4356 PCIE': { 74 '3.10': 'wireless-3.8/brcm80211/brcmfmac/brcmfmac.ko' 75 }, 76 'Marvell 88W8997 PCIE': { 77 '4.4': 'wireless/marvell/mwifiex/mwifiex_pcie.ko', 78 }, 79 } 80 81 82 def run_once(self): 83 """Test main loop""" 84 # full_revision looks like "3.4.0". 85 full_revision = utils.system_output('uname -r') 86 # base_revision looks like "3.4". 87 base_revision = '.'.join(full_revision.split('.')[:2]) 88 logging.info('Kernel base is %s', base_revision) 89 90 found_devices = 0 91 for device in self.DEVICES: 92 net_if = interface.Interface(device) 93 device_description = net_if.device_description 94 95 if not device_description: 96 continue 97 98 device_name, module_path = device_description 99 logging.info('Device name %s, module path %s', 100 device_name, module_path) 101 if not device_name in self.EXPECTED_DRIVER: 102 raise error.TestFail('Unexpected device name %s' % 103 device_name) 104 105 if not base_revision in self.EXPECTED_DRIVER[device_name]: 106 raise error.TestNAError('Unexpected base kernel revision %s ' 107 'with device name %s' % 108 (base_revision, device_name)) 109 110 expected_driver = self.EXPECTED_DRIVER[device_name][base_revision] 111 if module_path != expected_driver: 112 raise error.TestFail('Unexpected driver for %s/%s; ' 113 'got %s but expected %s' % 114 (base_revision, device_name, 115 module_path, expected_driver)) 116 found_devices += 1 117 if not found_devices: 118 raise error.TestNAError('Found no recognized wireless devices?') 119
