wifi无法上网可能原因
WiFi网络未验证（portal网络），访问时路由器会重定向到二次登录网址
运营商服务器或代理服务器问题，无法连接到外网
DNS服务器问题，导致DNS解析失败
系统时间不正常，导致证书失效，SSL/TLS握手失败，HTTPS无法上网
TCP连接长时间无数据收发，达到NAT超时时间，网络运营商切断TCP连接，导致长连接失效（push心跳间隔应小于NAT超时时间）
应用进入了后台且在mUidFirewallStandbyRules黑名单中，数据包被DROP
系统进入省电模式且应用不在mUidFirewallPowerSaveRules白名单中，数据包被DROP
系统进入Doze且应用不在mUidFirewallDozableRules白名单中，数据包被DROP
wifi debug 命令
[BEGIN] 2019/7/3 20:58:09
[2019/7/3 20:58:14] 1|dowork:/ # iptables -h
[2019/7/3 20:58:15] iptables v1.6.1
[2019/7/3 20:58:15]
[2019/7/3 20:58:15] Usage: iptables -[ACD] chain rule-specification [options]
[2019/7/3 20:58:15] iptables -I chain [rulenum] rule-specification [options]
[2019/7/3 20:58:15] iptables -R chain rulenum rule-specification [options]
[2019/7/3 20:58:15] iptables -D chain rulenum [options]
[2019/7/3 20:58:15] iptables -[LS] [chain [rulenum]] [options]
[2019/7/3 20:58:15] iptables -[FZ] [chain] [options]
[2019/7/3 20:58:15] iptables -[NX] chain
[2019/7/3 20:58:15] iptables -E old-chain-name new-chain-name
[2019/7/3 20:58:15] iptables -P chain target [options]
[2019/7/3 20:58:15] iptables -h (print this help information)
[2019/7/3 20:58:15]
[2019/7/3 20:58:15] Commands:
[2019/7/3 20:58:15] Either long or short options are allowed.
[2019/7/3 20:58:15] --append -A chain Append to chain
[2019/7/3 20:58:15] --check -C chain Check for the existence of a rule
[2019/7/3 20:58:15] --delete -D chain Delete matching rule from chain
[2019/7/3 20:58:15] --delete -D chain rulenum
[2019/7/3 20:58:15] Delete rule rulenum (1 = first) from chain
[2019/7/3 20:58:15] --insert -I chain [rulenum]
[2019/7/3 20:58:15] Insert in chain as rulenum (default 1=first)
[2019/7/3 20:58:15] --replace -R chain rulenum
[2019/7/3 20:58:15] Replace rule rulenum (1 = first) in chain
[2019/7/3 20:58:15] --list -L [chain [rulenum]]
[2019/7/3 20:58:15] List the rules in a chain or all chains
[2019/7/3 20:58:15] --list-rules -S [chain [rulenum]]
[2019/7/3 20:58:15] Print the rules in a chain or all chains
[2019/7/3 20:58:15] --flush -F [chain] Delete all rules in chain or all chains
[2019/7/3 20:58:15] --zero -Z [chain [rulenum]]
[2019/7/3 20:58:15] Zero counters in chain or all chains
[2019/7/3 20:58:15] --new -N chain Create a new user-defined chain
[2019/7/3 20:58:15] --delete-chain
[2019/7/3 20:58:15] -X [chain] Delete a user-defined chain
[2019/7/3 20:58:15] --policy -P chain target
[2019/7/3 20:58:15] Change policy on chain to target
[2019/7/3 20:58:15] --rename-chain
[2019/7/3 20:58:15] -E old-chain new-chain
[2019/7/3 20:58:15] Change chain name, (moving any references)
[2019/7/3 20:58:15] Options:
[2019/7/3 20:58:15] --ipv4 -4 Nothing (line is ignored by ip6tables-restore)
[2019/7/3 20:58:15] --ipv6 -6 Error (line is ignored by iptables-restore)
[2019/7/3 20:58:15] [!] --protocol -p proto protocol: by number or name, eg. `tcp'
[2019/7/3 20:58:15] [!] --source -s address[/mask][...]
[2019/7/3 20:58:15] source specification
[2019/7/3 20:58:15] [!] --destination -d address[/mask][...]
[2019/7/3 20:58:15] destination specification
[2019/7/3 20:58:15] [!] --in-interface -i input name[+]
[2019/7/3 20:58:15] network interface name ([+] for wildcard)
[2019/7/3 20:58:15] --jump -j target
[2019/7/3 20:58:15] target for rule (may load target extension)
[2019/7/3 20:58:15] --goto -g chain
[2019/7/3 20:58:15] jump to chain with no return
[2019/7/3 20:58:15] --match -m match
[2019/7/3 20:58:15] extended match (may load extension)
[2019/7/3 20:58:15] --numeric -n numeric output of addresses and ports
[2019/7/3 20:58:15] [!] --out-interface -o output name[+]
[2019/7/3 20:58:15] network interface name ([+] for wildcard)
[2019/7/3 20:58:15] --table -t table table to manipulate (default: `filter')
[2019/7/3 20:58:15] --verbose -v verbose mode
[2019/7/3 20:58:15] --wait -w [seconds] maximum wait to acquire xtables lock before give up
[2019/7/3 20:58:15] --wait-interval -W [usecs] wait time to try to acquire xtables lock
[2019/7/3 20:58:15] default is 1 second
[2019/7/3 20:58:15] --line-numbers print line numbers when listing
[2019/7/3 20:58:15] --exact -x expand numbers (display exact values)
[2019/7/3 20:58:15] [!] --fragment -f match second or further fragments only
[2019/7/3 20:58:15] --modprobe= try to insert modules using this command
[2019/7/3 20:58:15] --set-counters PKTS BYTES set the counter during insert/append
[2019/7/3 20:58:15] [!] --version -V print package version.
[2019/7/3 20:58:16] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:17] dowork:/ #
[2019/7/3 20:58:23] dowork:/ # ps -A |grep -E "iptables|netd"
[2019/7/3 20:58:23] root 2074 1 38200 8076 binder_thread_read 0 S netd
[2019/7/3 20:58:23] root 2080 2074 9808 3356 pipe_wait 0 S iptables-restore
[2019/7/3 20:58:23] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:24] dowork:/ #
[2019/7/3 20:58:32] dowork:/ # dumpsys netd
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] NetworkController
[2019/7/3 20:58:32] Default network: 101
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] Networks:
[2019/7/3 20:58:32] 51 DUMMY dummy0
[2019/7/3 20:58:32] No DNS servers defined
[2019/7/3 20:58:32] No search domains defined
[2019/7/3 20:58:32] Private DNS mode: OFF
[2019/7/3 20:58:32] No Private DNS servers configured
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] 99 LOCAL
[2019/7/3 20:58:32] No DNS servers defined
[2019/7/3 20:58:32] No search domains defined
[2019/7/3 20:58:32] Private DNS mode: OFF
[2019/7/3 20:58:32] No Private DNS servers configured
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] 101 PHYSICAL wlan0
[2019/7/3 20:58:32] Required permission: NONE
[2019/7/3 20:58:32] DNS servers: # IP (total, successes, errors, timeouts, internal errors, RTT avg, last sample)
[2019/7/3 20:58:32] 10.100.135.1 (59, 59, 0, 0, 0, 30ms, 20s)
[2019/7/3 20:58:32] 202.96.134.133
[2019/7/3 20:58:32] search domains: YTKJSZ.com
[2019/7/3 20:58:32] DNS parameters: sample validity = 1800s, success threshold = 25%, samples (min, max) = (8, 64)
[2019/7/3 20:58:32] Private DNS mode: OPPORTUNISTIC
[2019/7/3 20:58:32] Private DNS configuration (2 entries)
[2019/7/3 20:58:32] 10.100.135.1 name{} status{fail}
[2019/7/3 20:58:32] 202.96.134.133 name{} status{fail}
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] 102 PHYSICAL usb0
[2019/7/3 20:58:32] Required permission: NONE
[2019/7/3 20:58:32] DNS servers: # IP (total, successes, errors, timeouts, internal errors, RTT avg, last sample)
[2019/7/3 20:58:32] 10.0.0.1
[2019/7/3 20:58:32] No search domains defined
[2019/7/3 20:58:32] DNS parameters: sample validity = 1800s, success threshold = 25%, samples (min, max) = (8, 64)
[2019/7/3 20:58:32] Private DNS mode: OPPORTUNISTIC
[2019/7/3 20:58:32] Private DNS configuration (1 entries)
[2019/7/3 20:58:32] 10.0.0.1 name{} status{fail}
[2019/7/3 20:58:32]
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] Interface <-> last network map:
[2019/7/3 20:58:32] Ifindex: 9 NetId: 102
[2019/7/3 20:58:32] Ifindex: 7 NetId: 101
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] Interface addresses:
[2019/7/3 20:58:32] address: 10.0.0.52/24 ifindices: [9]
[2019/7/3 20:58:32] address: fe80::cc7a:6bff:fe60:9342/64 ifindices: [9]
[2019/7/3 20:58:32] address: fe80::215:83ff:fe42:4ace/64 ifindices: [7]
[2019/7/3 20:58:32] address: fe80::9501:478:a16b:47aa/64 ifindices: [9]
[2019/7/3 20:58:32] address: fe80::5051:f4ff:fe7c:8c21/64 ifindices: [6]
[2019/7/3 20:58:32] address: 10.100.132.111/24 ifindices: [7]
[2019/7/3 20:58:32] address: ::1/128 ifindices: [1]
[2019/7/3 20:58:32] address: 127.0.0.1/8 ifindices: [1]
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] TrafficController
[2019/7/3 20:58:32] BPF module status: ON
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] mCookieTagMap status: OK
[2019/7/3 20:58:32] mUidCounterSetMap status: OK
[2019/7/3 20:58:32] mAppUidStatsMap status: OK
[2019/7/3 20:58:32] mUidStatsMap status: OK
[2019/7/3 20:58:32] mTagStatsMap status: OK
[2019/7/3 20:58:32] mIfaceIndexNameMap status: OK
[2019/7/3 20:58:32] mIfaceStatsMap status: OK
[2019/7/3 20:58:32] mDozableUidMap status: OK
[2019/7/3 20:58:32] mStandbyUidMap status: OK
[2019/7/3 20:58:32] mPowerSaveUidMap status: OK
[2019/7/3 20:58:32]
[2019/7/3 20:58:32] Cgroup ingress program status: OK
[2019/7/3 20:58:32] Cgroup egress program status: OK
[2019/7/3 20:58:32] xt_bpf ingress program status: OK
[2019/7/3 20:58:32] xt_bpf egress program status: OK
[2019/7/3 20:58:32]
[2019/7/3 20:58:33] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:34] dowork:/ #
[2019/7/3 20:58:40] dowork:/ # dumpsys wifip2p
[2019/7/3 20:58:40] WifiP2pService:
[2019/7/3 20:58:40] total records=0
[2019/7/3 20:58:40] curState=P2pDisabledState
[2019/7/3 20:58:40] mWifiP2pInfo groupFormed: false isGroupOwner: false groupOwnerAddress: null
[2019/7/3 20:58:40] mGroup null
[2019/7/3 20:58:40] mSavedPeerConfig
[2019/7/3 20:58:40] address:
[2019/7/3 20:58:40] wps: setup: 0
[2019/7/3 20:58:40] BSSID: null
[2019/7/3 20:58:40] pin: null
[2019/7/3 20:58:40]
[2019/7/3 20:58:40] groupOwnerIntent: -1
[2019/7/3 20:58:40] persist: -2
[2019/7/3 20:58:40] mGroups
[2019/7/3 20:58:40]
[2019/7/3 20:58:40] mAutonomousGroup false
[2019/7/3 20:58:40] mJoinExistingGroup false
[2019/7/3 20:58:40] mDiscoveryStarted false
[2019/7/3 20:58:40] mNetworkInfo [type: WIFI_P2P[], state: UNKNOWN/IDLE, reason: (unspecified), extra: (none), failover: false, available: false, roaming: false]
[2019/7/3 20:58:40] mTemporarilyDisconnectedWifi false
[2019/7/3 20:58:40] mServiceDiscReqId null
[2019/7/3 20:58:40] mDeathDataByBinder {}
[2019/7/3 20:58:40]
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:41] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:42] dowork:/ #
[2019/7/3 20:58:47] dowork:/ # service list
[2019/7/3 20:58:48] Found 145 services:
[2019/7/3 20:58:48] 0 chinatsp.vehicle.network: [android.car.vehicle.proxy.aidl.IVehicleNetworkInterface]
[2019/7/3 20:58:48] 1 sip: [android.net.sip.ISipService]
[2019/7/3 20:58:48] 2 secure_element: [android.se.omapi.ISecureElementService]
[2019/7/3 20:58:48] 3 car_service: [android.car.ICar]
[2019/7/3 20:58:48] 4 carrier_config: [com.android.internal.telephony.ICarrierConfigLoader]
[2019/7/3 20:58:48] 5 phone: [com.android.internal.telephony.ITelephony]
[2019/7/3 20:58:48] 6 isms: [com.android.internal.telephony.ISms]
[2019/7/3 20:58:48] 7 iphonesubinfo: [com.android.internal.telephony.IPhoneSubInfo]
[2019/7/3 20:58:48] 8 simphonebook: [com.android.internal.telephony.IIccPhoneBook]
[2019/7/3 20:58:48] 9 isub: [com.android.internal.telephony.ISub]
[2019/7/3 20:58:48] 10 coagent.tbox: [android.car.tbox.aidl.ITboxInterface]
[2019/7/3 20:58:48] 11 contexthub: [android.hardware.location.IContextHubService]
[2019/7/3 20:58:48] 12 netd_listener: [android.net.metrics.INetdEventListener]
[2019/7/3 20:58:48] 13 connmetrics: [android.net.IIpConnectivityMetrics]
[2019/7/3 20:58:48] 14 bluetooth_manager: [android.bluetooth.IBluetoothManager]
[2019/7/3 20:58:48] 15 imms: [com.android.internal.telephony.IMms]
[2019/7/3 20:58:48] 16 statscompanion: [android.os.IStatsCompanionService]
[2019/7/3 20:58:48] 17 media.camera.proxy: [android.hardware.ICameraServiceProxy]
[2019/7/3 20:58:48] 18 slice: [android.app.slice.ISliceManager]
[2019/7/3 20:58:48] 19 media_projection: [android.media.projection.IMediaProjectionManager]
[2019/7/3 20:58:48] 20 crossprofileapps: [android.content.pm.ICrossProfileApps]
[2019/7/3 20:58:48] 21 launcherapps: [android.content.pm.ILauncherApps]
[2019/7/3 20:58:48] 22 shortcut: [android.content.pm.IShortcutService]
[2019/7/3 20:58:48] 23 media_router: [android.media.IMediaRouterService]
[2019/7/3 20:58:48] 24 media_resource_monitor: [android.media.IMediaResourceMonitor]
[2019/7/3 20:58:48] 25 media_session: [android.media.session.ISessionManager]
[2019/7/3 20:58:48] 26 restrictions: [android.content.IRestrictionsManager]
[2019/7/3 20:58:48] 27 print: [android.print.IPrintManager]
[2019/7/3 20:58:48] 28 graphicsstats: [android.view.IGraphicsStats]
[2019/7/3 20:58:48] 29 dreams: [android.service.dreams.IDreamManager]
[2019/7/3 20:58:48] 30 commontime_management: []
[2019/7/3 20:58:48] 31 network_time_update_service: []
[2019/7/3 20:58:48] 32 diskstats: []
[2019/7/3 20:58:48] 33 voiceinteraction: [com.android.internal.app.IVoiceInteractionManagerService]
[2019/7/3 20:58:48] 34 appwidget: [com.android.internal.appwidget.IAppWidgetService]
[2019/7/3 20:58:48] 35 backup: [android.app.backup.IBackupManager]
[2019/7/3 20:58:48] 36 wifip2p: [android.net.wifi.p2p.IWifiP2pManager]
[2019/7/3 20:58:48] 37 trust: [android.app.trust.ITrustManager]
[2019/7/3 20:58:48] 38 soundtrigger: [com.android.internal.app.ISoundTriggerService]
[2019/7/3 20:58:48] 39 jobscheduler: [android.app.job.IJobScheduler]
[2019/7/3 20:58:48] 40 wifiscanner: [android.net.wifi.IWifiScanner]
[2019/7/3 20:58:48] 41 wifi: [android.net.wifi.IWifiManager]
[2019/7/3 20:58:48] 42 hardware_properties: [android.os.IHardwarePropertiesManager]
[2019/7/3 20:58:48] 43 serial: [android.hardware.ISerialManager]
[2019/7/3 20:58:48] 44 usb: [android.hardware.usb.IUsbManager]
[2019/7/3 20:58:48] 45 DockObserver: []
[2019/7/3 20:58:48] 46 broadcastradio: [android.hardware.radio.IRadioService]
[2019/7/3 20:58:48] 47 audio: [android.media.IAudioService]
[2019/7/3 20:58:48] 48 wallpaper: [android.app.IWallpaperManager]
[2019/7/3 20:58:48] 49 search: [android.app.ISearchManager]
[2019/7/3 20:58:48] 50 country_detector: [android.location.ICountryDetector]
[2019/7/3 20:58:48] 51 location: [android.location.ILocationManager]
[2019/7/3 20:58:48] 52 devicestoragemonitor: []
[2019/7/3 20:58:48] 53 notification: [android.app.INotificationManager]
[2019/7/3 20:58:48] 54 updatelock: [android.os.IUpdateLock]
[2019/7/3 20:58:48] 55 system_update: [android.os.ISystemUpdateManager]
[2019/7/3 20:58:48] 56 servicediscovery: [android.net.nsd.INsdManager]
[2019/7/3 20:58:48] 57 connectivity: [android.net.IConnectivityManager]
[2019/7/3 20:58:48] 58 ethernet: [android.net.IEthernetManager]
[2019/7/3 20:58:48] 59 netpolicy: [android.net.INetworkPolicyManager]
[2019/7/3 20:58:48] 60 overlay: [android.content.om.IOverlayManager]
[2019/7/3 20:58:48] 61 netstats: [android.net.INetworkStatsService]
[2019/7/3 20:58:48] 62 persistent_data_block: [android.service.persistentdata.IPersistentDataBlockService]
[2019/7/3 20:58:48] 63 network_score: [android.net.INetworkScoreService]
[2019/7/3 20:58:48] 64 textclassification: [android.service.textclassifier.ITextClassifierService]
[2019/7/3 20:58:48] 65 textservices: [com.android.internal.textservice.ITextServicesManager]
[2019/7/3 20:58:48] 66 ipsec: [android.net.IIpSecService]
[2019/7/3 20:58:48] 67 network_management: [android.os.INetworkManagementService]
[2019/7/3 20:58:48] 68 clipboard: [android.content.IClipboard]
[2019/7/3 20:58:48] 69 statusbar: [com.android.internal.statusbar.IStatusBarService]
[2019/7/3 20:58:48] 70 device_policy: [android.app.admin.IDevicePolicyManager]
[2019/7/3 20:58:48] 71 deviceidle: [android.os.IDeviceIdleController]
[2019/7/3 20:58:48] 72 oem_lock: [android.service.oemlock.IOemLockService]
[2019/7/3 20:58:48] 73 lock_settings: [com.android.internal.widget.ILockSettings]
[2019/7/3 20:58:48] 74 uimode: [android.app.IUiModeManager]
[2019/7/3 20:58:48] 75 storagestats: [android.app.usage.IStorageStatsManager]
[2019/7/3 20:58:48] 76 mount: [android.os.storage.IStorageManager]
[2019/7/3 20:58:48] 77 accessibility: [android.view.accessibility.IAccessibilityManager]
[2019/7/3 20:58:48] 78 input_method: [com.android.internal.view.IInputMethodManager]
[2019/7/3 20:58:48] 79 pinner: []
[2019/7/3 20:58:48] 80 network_watchlist: [com.android.internal.net.INetworkWatchlistManager]
[2019/7/3 20:58:48] 81 vrmanager: [android.service.vr.IVrManager]
[2019/7/3 20:58:48] 82 input: [android.hardware.input.IInputManager]
[2019/7/3 20:58:48] 83 window: [android.view.IWindowManager]
[2019/7/3 20:58:48] 84 alarm: [android.app.IAlarmManager]
[2019/7/3 20:58:48] 85 consumer_ir: [android.hardware.IConsumerIrService]
[2019/7/3 20:58:48] 86 vibrator: [android.os.IVibratorService]
[2019/7/3 20:58:48] 87 dropbox: [com.android.internal.os.IDropBoxManagerService]
[2019/7/3 20:58:48] 88 settings: []
[2019/7/3 20:58:48] 89 content: [android.content.IContentService]
[2019/7/3 20:58:48] 90 account: [android.accounts.IAccountManager]
[2019/7/3 20:58:48] 91 telephony.registry: [com.android.internal.telephony.ITelephonyRegistry]
[2019/7/3 20:58:48] 92 scheduling_policy: [android.os.ISchedulingPolicyService]
[2019/7/3 20:58:48] 93 sec_key_att_app_id_provider: [android.security.keymaster.IKeyAttestationApplicationIdProvider]
[2019/7/3 20:58:48] 94 binder_calls_stats: []
[2019/7/3 20:58:48] 95 webviewupdate: [android.webkit.IWebViewUpdateService]
[2019/7/3 20:58:48] 96 usagestats: [android.app.usage.IUsageStatsManager]
[2019/7/3 20:58:48] 97 batteryproperties: [android.os.IBatteryPropertiesRegistrar]
[2019/7/3 20:58:48] 98 battery: []
[2019/7/3 20:58:48] 99 sensorservice: [android.gui.SensorServer]
[2019/7/3 20:58:48] 100 processinfo: [android.os.IProcessInfoService]
[2019/7/3 20:58:48] 101 permission: [android.os.IPermissionController]
[2019/7/3 20:58:48] 102 cpuinfo: []
[2019/7/3 20:58:48] 103 media.sound_trigger_hw: [android.hardware.ISoundTriggerHwService]
[2019/7/3 20:58:48] 104 dbinfo: []
[2019/7/3 20:58:48] 105 media.audio_policy: [android.media.IAudioPolicyService]
[2019/7/3 20:58:48] 106 media.camera: [android.hardware.ICameraService]
[2019/7/3 20:58:48] 107 gfxinfo: []
[2019/7/3 20:58:48] 108 meminfo: []
[2019/7/3 20:58:48] 109 procstats: [com.android.internal.app.procstats.IProcessStats]
[2019/7/3 20:58:48] 110 activity: [android.app.IActivityManager]
[2019/7/3 20:58:48] 111 user: [android.os.IUserManager]
[2019/7/3 20:58:48] 112 otadexopt: [android.content.pm.IOtaDexopt]
[2019/7/3 20:58:48] 113 package_native: [android.content.pm.IPackageManagerNative]
[2019/7/3 20:58:48] 114 package: [android.content.pm.IPackageManager]
[2019/7/3 20:58:48] 115 media.audio_flinger: [android.media.IAudioFlinger]
[2019/7/3 20:58:48] 116 display: [android.hardware.display.IDisplayManager]
[2019/7/3 20:58:48] 117 recovery: [android.os.IRecoverySystem]
[2019/7/3 20:58:48] 118 power: [android.os.IPowerManager]
[2019/7/3 20:58:48] 119 appops: [com.android.internal.app.IAppOpsService]
[2019/7/3 20:58:48] 120 batterystats: [com.android.internal.app.IBatteryStats]
[2019/7/3 20:58:48] 121 media.resource_manager: [android.media.IResourceManagerService]
[2019/7/3 20:58:48] 122 media.player: [android.media.IMediaPlayerService]
[2019/7/3 20:58:48] 123 drm.drmManager: [drm.IDrmManagerService]
[2019/7/3 20:58:48] 124 device_identifiers: [android.os.IDeviceIdentifiersPolicyService]
[2019/7/3 20:58:48] 125 storaged_pri: [android.os.storaged.IStoragedPrivate]
[2019/7/3 20:58:48] 126 storaged: [android.os.IStoraged]
[2019/7/3 20:58:48] 127 media.extractor.update: [android.media.IMediaExtractorUpdateService]
[2019/7/3 20:58:48] 128 media.extractor: [android.media.IMediaExtractorService]
[2019/7/3 20:58:48] 129 media.drm: [android.media.IMediaDrmService]
[2019/7/3 20:58:48] 130 media.metrics: [android.media.IMediaAnalyticsService]
[2019/7/3 20:58:48] 131 android.os.UpdateEngineService: [android.os.IUpdateEngine]
[2019/7/3 20:58:48] 132 android.service.gatekeeper.IGateKeeperService: [android.service.gatekeeper.IGateKeeperService]
[2019/7/3 20:58:48] 133 gpu: [android.ui.IGpuService]
[2019/7/3 20:58:48] 134 SurfaceFlinger: [android.ui.ISurfaceComposer]
[2019/7/3 20:58:48] 135 android.security.keystore: [android.security.IKeystoreService]
[2019/7/3 20:58:48] 136 stats: [android.os.IStatsManager]
[2019/7/3 20:58:48] 137 perfprofd: [android.os.IPerfProfd]
[2019/7/3 20:58:48] 138 wificond: [android.net.wifi.IWificond]
[2019/7/3 20:58:48] 139 incident: [android.os.IIncidentManager]
[2019/7/3 20:58:48] 140 thermalservice: [android.os.IThermalService]
[2019/7/3 20:58:48] 141 installd: [android.os.IInstalld]
[2019/7/3 20:58:48] 142 com.android.car.procfsinspector: [com.android.car.procfsinspector.IProcfsInspector]
[2019/7/3 20:58:48] 143 netd: [android.net.INetd]
[2019/7/3 20:58:48] 144 vold: [android.os.IVold]
[2019/7/3 20:58:49] dowork:/ #
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[2019/7/3 20:58:49] dowork:/ #
[2019/7/3 20:58:49] dowork:/ #
[2019/7/3 20:58:49] dowork:/ #
[2019/7/3 20:58:49] dowork:/ #
[2019/7/3 20:58:49] dowork:/ #
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[2019/7/3 20:58:50] dowork:/ #
supplicant扫描的调用过程（使用nl80211）
supplicant接收到”SCAN”命令后，由wpa_supplicant_ctrl_iface_process处理。
wpa_supplicant_ctrl_iface_process
wpas_ctrl_scan // 处理扫描命令
wpa_supplicant_req_scan
wpa_supplicant_scan
wpa_supplicant_trigger_scan
wpas_trigger_scan_cb
wpa_drv_scan // wpa_s->driver->scan2调用到driver_nl80211_scan2
driver_nl80211_scan2
wpa_driver_nl80211_scan
nl80211_scan_common
send_and_recv_msgs
触发扫描的内核调用过程
SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
__sys_sendmsg (net\socket.c)
sock_sendmsg
__sock_sendmsg
__sock_sendmsg_nosec (sock->ops->sendmsg调用netlink_sendmsg)
netlink_sendmsg
netlink_unicast
netlink_unicast_kernel （nlk->netlink_rcv调用genl_rcv）
genl_rcv （cb 为genl_rcv_msg）
genl_rcv_msg （ops->doit调用到nl80211_trigger_scan）
nl80211_trigger_scan （net\wireless\nl80211.c)
Wifi驱动的扫描行为
◆上层发起一次scan命令->wifi进行各个信道的sacn->驱动包扫描结果存储在scanned_queue->扫面完成->通过rtw_cfg80211_surveydone_event_callback（cfg80211_inform_bss_frame）把扫描的ap结果通知内核net/wireless/scan.c->通过rtw_indicate_scan_done（cfg80211_scan_done）通知内核、上层扫描结束。
◆Wifi驱动每次发起扫面前，都会检查上次扫描到的ap到现在的时间是否超过20s（SCANQUEUE_LIFETIME），若超过20s，就会调用rtw_list_delete把ap从scanned_queue中去掉，接下来再扫面到新的ap时，再加入scanned_queue。
◆每次扫描完所有信道后，会再次扫描一个信道，连接ap的情况下，扫描的信道为所连接ap的信道，没连接ap的情况下，为最后一个扫描信道。
◆对于接收到的beacon帧，由OnBeacon处理，只有在扫描状态的时候，beacon的ap才会被加入到scanned_queue，其它情况根据WIFI_FW状态进行不同操作，有触发start_clnt_auth，有更新ap信息等操作。
◆net/wireless中使用bss_list保存扫描到的ap结果，扫描结束后，应用层通过NL80211_CMD_GET_SCAN命令，由内核nl80211_dump_scan函数把结果发送给应用层，内核中保存ap有效时间为3s，超过3s该ap的信息会从bss_lis移除。
◆supplicant中通过wpa_s->bss保存扫描的ap，如果一个ap在180s（DEFAULT_BSS_EXPIRATION_AGE）内没有更新，就会删除该ap，每10s进行一次检测，由wpa_bss_timeout函数检查。
802.11区别
策略路由
10000: from all fwmark 0xc0000/0xd0000 lookup legacy_system 这里表示iptables的mark标记为0xc0000（0xd0000为掩码，进来的包先和xd0000做AND与计算，结果为0xc0000的包）的查找legacy_system路由表。
10500: from all iif lo oif wlan0 uidrange 0-0 lookup wlan0 这里表示从lo环回接口输入、从wlan0接口输出、uid为0（即系统用户）的包查找wlan0路由表。
[C:\~]$ adb shell ip rule help
Usage: ip rule [ list | add | del | flush ] SELECTOR ACTION
SELECTOR := [ not ] [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK[/MASK] ]
[ iif STRING ] [ oif STRING ] [ pref NUMBER ] [ uidrange UID1-UID2 ]
ACTION := [ table TABLE_ID ]
[ prohibit | reject | unreachable ]
[ realms [SRCREALM/]DSTREALM ]
[ goto NUMBER ]
TABLE_ID := [ local | main | default | NUMBER ]
