WifiNative.java revision eb37292950237a906c4220acfc03406db2ef44cb
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.wifi; 18 19import android.annotation.Nullable; 20import android.net.apf.ApfCapabilities; 21import android.net.wifi.IApInterface; 22import android.net.wifi.IClientInterface; 23import android.net.wifi.RttManager; 24import android.net.wifi.RttManager.ResponderConfig; 25import android.net.wifi.ScanResult; 26import android.net.wifi.WifiConfiguration; 27import android.net.wifi.WifiLinkLayerStats; 28import android.net.wifi.WifiScanner; 29import android.net.wifi.WifiWakeReasonAndCounts; 30import android.os.SystemClock; 31import android.util.Log; 32import android.util.SparseArray; 33 34import com.android.internal.annotations.Immutable; 35import com.android.internal.util.HexDump; 36import com.android.server.connectivity.KeepalivePacketData; 37import com.android.server.wifi.util.FrameParser; 38 39import java.io.PrintWriter; 40import java.io.StringWriter; 41import java.nio.ByteBuffer; 42import java.nio.CharBuffer; 43import java.nio.charset.CharacterCodingException; 44import java.nio.charset.CharsetDecoder; 45import java.nio.charset.StandardCharsets; 46import java.text.SimpleDateFormat; 47import java.util.ArrayList; 48import java.util.Date; 49import java.util.Map; 50import java.util.Objects; 51import java.util.Set; 52import java.util.TimeZone; 53 54 55/** 56 * Native calls for bring up/shut down of the supplicant daemon and for 57 * sending requests to the supplicant daemon 58 * 59 * {@hide} 60 */ 61public class WifiNative { 62 private final String mTAG; 63 private final String mInterfaceName; 64 private final SupplicantStaIfaceHal mSupplicantStaIfaceHal; 65 private final WifiVendorHal mWifiVendorHal; 66 private final WificondControl mWificondControl; 67 68 public WifiNative(String interfaceName, WifiVendorHal vendorHal, 69 SupplicantStaIfaceHal staIfaceHal, WificondControl condControl) { 70 mTAG = "WifiNative-" + interfaceName; 71 mInterfaceName = interfaceName; 72 mWifiVendorHal = vendorHal; 73 mSupplicantStaIfaceHal = staIfaceHal; 74 mWificondControl = condControl; 75 } 76 77 public String getInterfaceName() { 78 return mInterfaceName; 79 } 80 81 /** 82 * Enable verbose logging for all sub modules. 83 */ 84 public void enableVerboseLogging(int verbose) { 85 mWificondControl.enableVerboseLogging(verbose > 0 ? true : false); 86 mSupplicantStaIfaceHal.enableVerboseLogging(verbose > 0); 87 mWifiVendorHal.enableVerboseLogging(verbose > 0); 88 } 89 90 /******************************************************** 91 * Native Initialization/Deinitialization 92 ********************************************************/ 93 94 /** 95 * Setup wifi native for Client mode operations. 96 * 97 * 1. Starts the Wifi HAL and configures it in client/STA mode. 98 * 2. Setup Wificond to operate in client mode and retrieve the handle to use for client 99 * operations. 100 * 101 * @return An IClientInterface as wificond client interface binder handler. 102 * Returns null on failure. 103 */ 104 public IClientInterface setupForClientMode() { 105 if (!startHal(true)) { 106 // TODO(b/34859006): Handle failures. 107 Log.e(mTAG, "Failed to start HAL for client mode"); 108 } 109 return mWificondControl.setupDriverForClientMode(); 110 } 111 112 /** 113 * Setup wifi native for AP mode operations. 114 * 115 * 1. Starts the Wifi HAL and configures it in AP mode. 116 * 2. Setup Wificond to operate in AP mode and retrieve the handle to use for ap operations. 117 * 118 * @return An IApInterface as wificond Ap interface binder handler. 119 * Returns null on failure. 120 */ 121 public IApInterface setupForSoftApMode() { 122 if (!startHal(false)) { 123 // TODO(b/34859006): Handle failures. 124 Log.e(mTAG, "Failed to start HAL for AP mode"); 125 } 126 return mWificondControl.setupDriverForSoftApMode(); 127 } 128 129 /** 130 * Teardown all mode configurations in wifi native. 131 * 132 * 1. Tears down all the interfaces from Wificond. 133 * 2. Stops the Wifi HAL. 134 * 135 * @return Returns true on success. 136 */ 137 public boolean tearDown() { 138 if (!mWificondControl.tearDownInterfaces()) { 139 // TODO(b/34859006): Handle failures. 140 Log.e(mTAG, "Failed to teardown interfaces from Wificond"); 141 return false; 142 } 143 stopHal(); 144 return true; 145 } 146 147 /******************************************************** 148 * Wificond operations 149 ********************************************************/ 150 /** 151 * Result of a signal poll. 152 */ 153 public static class SignalPollResult { 154 // RSSI value in dBM. 155 public int currentRssi; 156 //Transmission bit rate in Mbps. 157 public int txBitrate; 158 // Association frequency in MHz. 159 public int associationFrequency; 160 } 161 162 /** 163 * WiFi interface transimission counters. 164 */ 165 public static class TxPacketCounters { 166 // Number of successfully transmitted packets. 167 public int txSucceeded; 168 // Number of tramsmission failures. 169 public int txFailed; 170 } 171 172 /** 173 * Disable wpa_supplicant via wificond. 174 * @return Returns true on success. 175 */ 176 public boolean disableSupplicant() { 177 return mWificondControl.disableSupplicant(); 178 } 179 180 /** 181 * Enable wpa_supplicant via wificond. 182 * @return Returns true on success. 183 */ 184 public boolean enableSupplicant() { 185 return mWificondControl.enableSupplicant(); 186 } 187 188 /** 189 * Request signal polling to wificond. 190 * Returns an SignalPollResult object. 191 * Returns null on failure. 192 */ 193 public SignalPollResult signalPoll() { 194 return mWificondControl.signalPoll(); 195 } 196 197 /** 198 * Fetch TX packet counters on current connection from wificond. 199 * Returns an TxPacketCounters object. 200 * Returns null on failure. 201 */ 202 public TxPacketCounters getTxPacketCounters() { 203 return mWificondControl.getTxPacketCounters(); 204 } 205 206 /** 207 * Start a scan using wificond for the given parameters. 208 * @param freqs list of frequencies to scan for, if null scan all supported channels. 209 * @param hiddenNetworkSSIDs List of hidden networks to be scanned for. 210 * @return Returns true on success. 211 */ 212 public boolean scan(Set<Integer> freqs, Set<String> hiddenNetworkSSIDs) { 213 return mWificondControl.scan(freqs, hiddenNetworkSSIDs); 214 } 215 216 /** 217 * Fetch the latest scan result from kernel via wificond. 218 * @return Returns an ArrayList of ScanDetail. 219 * Returns an empty ArrayList on failure. 220 */ 221 public ArrayList<ScanDetail> getScanResults() { 222 return mWificondControl.getScanResults(); 223 } 224 225 /** 226 * Start PNO scan. 227 * @param pnoSettings Pno scan configuration. 228 * @return true on success. 229 */ 230 public boolean startPnoScan(PnoSettings pnoSettings) { 231 return mWificondControl.startPnoScan(pnoSettings); 232 } 233 234 /** 235 * Stop PNO scan. 236 * @return true on success. 237 */ 238 public boolean stopPnoScan() { 239 return mWificondControl.stopPnoScan(); 240 } 241 242 /******************************************************** 243 * Supplicant operations 244 ********************************************************/ 245 246 /** 247 * This method is called repeatedly until the connection to wpa_supplicant is established. 248 * 249 * @return true if connection is established, false otherwise. 250 * TODO: Add unit tests for these once we remove the legacy code. 251 */ 252 public boolean connectToSupplicant() { 253 // Start initialization if not already started. 254 if (!mSupplicantStaIfaceHal.isInitializationStarted() 255 && !mSupplicantStaIfaceHal.initialize()) { 256 return false; 257 } 258 // Check if the initialization is complete. 259 return mSupplicantStaIfaceHal.isInitializationComplete(); 260 } 261 262 /** 263 * Close supplicant connection. 264 */ 265 public void closeSupplicantConnection() { 266 // Nothing to do for HIDL. 267 } 268 269 /** 270 * Set supplicant log level 271 * 272 * @param turnOnVerbose Whether to turn on verbose logging or not. 273 */ 274 public void setSupplicantLogLevel(boolean turnOnVerbose) { 275 mSupplicantStaIfaceHal.setLogLevel(turnOnVerbose); 276 } 277 278 /** 279 * Trigger a reconnection if the iface is disconnected. 280 * 281 * @return true if request is sent successfully, false otherwise. 282 */ 283 public boolean reconnect() { 284 return mSupplicantStaIfaceHal.reconnect(); 285 } 286 287 /** 288 * Trigger a reassociation even if the iface is currently connected. 289 * 290 * @return true if request is sent successfully, false otherwise. 291 */ 292 public boolean reassociate() { 293 return mSupplicantStaIfaceHal.reassociate(); 294 } 295 296 /** 297 * Trigger a disconnection from the currently connected network. 298 * 299 * @return true if request is sent successfully, false otherwise. 300 */ 301 public boolean disconnect() { 302 return mSupplicantStaIfaceHal.disconnect(); 303 } 304 305 /** 306 * Makes a callback to HIDL to getMacAddress from supplicant 307 * 308 * @return string containing the MAC address, or null on a failed call 309 */ 310 public String getMacAddress() { 311 return mSupplicantStaIfaceHal.getMacAddress(); 312 } 313 314 public static final int RX_FILTER_TYPE_V4_MULTICAST = 0; 315 public static final int RX_FILTER_TYPE_V6_MULTICAST = 1; 316 /** 317 * Start filtering out Multicast V4 packets 318 * @return {@code true} if the operation succeeded, {@code false} otherwise 319 * 320 * Multicast filtering rules work as follows: 321 * 322 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 323 * a power optimized mode (typically when screen goes off). 324 * 325 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 326 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 327 * 328 * DRIVER RXFILTER-ADD Num 329 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 330 * 331 * and DRIVER RXFILTER-START 332 * In order to stop the usage of these rules, we do 333 * 334 * DRIVER RXFILTER-STOP 335 * DRIVER RXFILTER-REMOVE Num 336 * where Num is as described for RXFILTER-ADD 337 * 338 * The SETSUSPENDOPT driver command overrides the filtering rules 339 */ 340 public boolean startFilteringMulticastV4Packets() { 341 return mSupplicantStaIfaceHal.stopRxFilter() 342 && mSupplicantStaIfaceHal.removeRxFilter( 343 RX_FILTER_TYPE_V4_MULTICAST) 344 && mSupplicantStaIfaceHal.startRxFilter(); 345 } 346 347 /** 348 * Stop filtering out Multicast V4 packets. 349 * @return {@code true} if the operation succeeded, {@code false} otherwise 350 */ 351 public boolean stopFilteringMulticastV4Packets() { 352 return mSupplicantStaIfaceHal.stopRxFilter() 353 && mSupplicantStaIfaceHal.addRxFilter( 354 RX_FILTER_TYPE_V4_MULTICAST) 355 && mSupplicantStaIfaceHal.startRxFilter(); 356 } 357 358 /** 359 * Start filtering out Multicast V6 packets 360 * @return {@code true} if the operation succeeded, {@code false} otherwise 361 */ 362 public boolean startFilteringMulticastV6Packets() { 363 return mSupplicantStaIfaceHal.stopRxFilter() 364 && mSupplicantStaIfaceHal.removeRxFilter( 365 RX_FILTER_TYPE_V6_MULTICAST) 366 && mSupplicantStaIfaceHal.startRxFilter(); 367 } 368 369 /** 370 * Stop filtering out Multicast V6 packets. 371 * @return {@code true} if the operation succeeded, {@code false} otherwise 372 */ 373 public boolean stopFilteringMulticastV6Packets() { 374 return mSupplicantStaIfaceHal.stopRxFilter() 375 && mSupplicantStaIfaceHal.addRxFilter( 376 RX_FILTER_TYPE_V6_MULTICAST) 377 && mSupplicantStaIfaceHal.startRxFilter(); 378 } 379 380 public static final int BLUETOOTH_COEXISTENCE_MODE_ENABLED = 0; 381 public static final int BLUETOOTH_COEXISTENCE_MODE_DISABLED = 1; 382 public static final int BLUETOOTH_COEXISTENCE_MODE_SENSE = 2; 383 /** 384 * Sets the bluetooth coexistence mode. 385 * 386 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 387 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 388 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 389 * @return Whether the mode was successfully set. 390 */ 391 public boolean setBluetoothCoexistenceMode(int mode) { 392 return mSupplicantStaIfaceHal.setBtCoexistenceMode(mode); 393 } 394 395 /** 396 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 397 * some of the low-level scan parameters used by the driver are changed to 398 * reduce interference with A2DP streaming. 399 * 400 * @param setCoexScanMode whether to enable or disable this mode 401 * @return {@code true} if the command succeeded, {@code false} otherwise. 402 */ 403 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 404 return mSupplicantStaIfaceHal.setBtCoexistenceScanModeEnabled(setCoexScanMode); 405 } 406 407 /** 408 * Enable or disable suspend mode optimizations. 409 * 410 * @param enabled true to enable, false otherwise. 411 * @return true if request is sent successfully, false otherwise. 412 */ 413 public boolean setSuspendOptimizations(boolean enabled) { 414 return mSupplicantStaIfaceHal.setSuspendModeEnabled(enabled); 415 } 416 417 /** 418 * Set country code. 419 * 420 * @param countryCode 2 byte ASCII string. For ex: US, CA. 421 * @return true if request is sent successfully, false otherwise. 422 */ 423 public boolean setCountryCode(String countryCode) { 424 return mSupplicantStaIfaceHal.setCountryCode(countryCode); 425 } 426 427 /** 428 * Initiate TDLS discover and setup or teardown with the specified peer. 429 * 430 * @param macAddr MAC Address of the peer. 431 * @param enable true to start discovery and setup, false to teardown. 432 */ 433 public void startTdls(String macAddr, boolean enable) { 434 if (enable) { 435 mSupplicantStaIfaceHal.initiateTdlsDiscover(macAddr); 436 mSupplicantStaIfaceHal.initiateTdlsSetup(macAddr); 437 } else { 438 mSupplicantStaIfaceHal.initiateTdlsTeardown(macAddr); 439 } 440 } 441 442 /** 443 * Start WPS pin display operation with the specified peer. 444 * 445 * @param bssid BSSID of the peer. 446 * @return true if request is sent successfully, false otherwise. 447 */ 448 public boolean startWpsPbc(String bssid) { 449 return mSupplicantStaIfaceHal.startWpsPbc(bssid); 450 } 451 452 /** 453 * Start WPS pin keypad operation with the specified pin. 454 * 455 * @param pin Pin to be used. 456 * @return true if request is sent successfully, false otherwise. 457 */ 458 public boolean startWpsPinKeypad(String pin) { 459 return mSupplicantStaIfaceHal.startWpsPinKeypad(pin); 460 } 461 462 /** 463 * Start WPS pin display operation with the specified peer. 464 * 465 * @param bssid BSSID of the peer. 466 * @return new pin generated on success, null otherwise. 467 */ 468 public String startWpsPinDisplay(String bssid) { 469 return mSupplicantStaIfaceHal.startWpsPinDisplay(bssid); 470 } 471 472 /** 473 * Sets whether to use external sim for SIM/USIM processing. 474 * 475 * @param external true to enable, false otherwise. 476 * @return true if request is sent successfully, false otherwise. 477 */ 478 public boolean setExternalSim(boolean external) { 479 return mSupplicantStaIfaceHal.setExternalSim(external); 480 } 481 482 /** 483 * Sim auth response types. 484 */ 485 public static final String SIM_AUTH_RESP_TYPE_GSM_AUTH = "GSM-AUTH"; 486 public static final String SIM_AUTH_RESP_TYPE_UMTS_AUTH = "UMTS-AUTH"; 487 public static final String SIM_AUTH_RESP_TYPE_UMTS_AUTS = "UMTS-AUTS"; 488 489 /** 490 * Send the sim auth response for the currently configured network. 491 * 492 * @param type |GSM-AUTH|, |UMTS-AUTH| or |UMTS-AUTS|. 493 * @param response Response params. 494 * @return true if succeeds, false otherwise. 495 */ 496 public boolean simAuthResponse(int id, String type, String response) { 497 if (SIM_AUTH_RESP_TYPE_GSM_AUTH.equals(type)) { 498 return mSupplicantStaIfaceHal.sendCurrentNetworkEapSimGsmAuthResponse(response); 499 } else if (SIM_AUTH_RESP_TYPE_UMTS_AUTH.equals(type)) { 500 return mSupplicantStaIfaceHal.sendCurrentNetworkEapSimUmtsAuthResponse(response); 501 } else if (SIM_AUTH_RESP_TYPE_UMTS_AUTS.equals(type)) { 502 return mSupplicantStaIfaceHal.sendCurrentNetworkEapSimUmtsAutsResponse(response); 503 } else { 504 return false; 505 } 506 } 507 508 /** 509 * Send the eap sim gsm auth failure for the currently configured network. 510 * 511 * @return true if succeeds, false otherwise. 512 */ 513 public boolean simAuthFailedResponse(int id) { 514 return mSupplicantStaIfaceHal.sendCurrentNetworkEapSimGsmAuthFailure(); 515 } 516 517 /** 518 * Send the eap sim umts auth failure for the currently configured network. 519 * 520 * @return true if succeeds, false otherwise. 521 */ 522 public boolean umtsAuthFailedResponse(int id) { 523 return mSupplicantStaIfaceHal.sendCurrentNetworkEapSimUmtsAuthFailure(); 524 } 525 526 /** 527 * Send the eap identity response for the currently configured network. 528 * 529 * @param response String to send. 530 * @return true if succeeds, false otherwise. 531 */ 532 public boolean simIdentityResponse(int id, String response) { 533 return mSupplicantStaIfaceHal.sendCurrentNetworkEapIdentityResponse(response); 534 } 535 536 /** 537 * Start WPS pin registrar operation with the specified peer and pin. 538 * 539 * @param bssid BSSID of the peer. 540 * @param pin Pin to be used. 541 * @return true if request is sent successfully, false otherwise. 542 */ 543 public boolean startWpsRegistrar(String bssid, String pin) { 544 return mSupplicantStaIfaceHal.startWpsRegistrar(bssid, pin); 545 } 546 547 /** 548 * Cancels any ongoing WPS requests. 549 * 550 * @return true if request is sent successfully, false otherwise. 551 */ 552 public boolean cancelWps() { 553 return mSupplicantStaIfaceHal.cancelWps(); 554 } 555 556 /** 557 * Set WPS device name. 558 * 559 * @param name String to be set. 560 * @return true if request is sent successfully, false otherwise. 561 */ 562 public boolean setDeviceName(String name) { 563 return mSupplicantStaIfaceHal.setWpsDeviceName(name); 564 } 565 566 /** 567 * Set WPS device type. 568 * 569 * @param type Type specified as a string. Used format: <categ>-<OUI>-<subcateg> 570 * @return true if request is sent successfully, false otherwise. 571 */ 572 public boolean setDeviceType(String type) { 573 return mSupplicantStaIfaceHal.setWpsDeviceType(type); 574 } 575 576 /** 577 * Set WPS config methods 578 * 579 * @param cfg List of config methods. 580 * @return true if request is sent successfully, false otherwise. 581 */ 582 public boolean setConfigMethods(String cfg) { 583 return mSupplicantStaIfaceHal.setWpsConfigMethods(cfg); 584 } 585 586 /** 587 * Set WPS manufacturer. 588 * 589 * @param value String to be set. 590 * @return true if request is sent successfully, false otherwise. 591 */ 592 public boolean setManufacturer(String value) { 593 return mSupplicantStaIfaceHal.setWpsManufacturer(value); 594 } 595 596 /** 597 * Set WPS model name. 598 * 599 * @param value String to be set. 600 * @return true if request is sent successfully, false otherwise. 601 */ 602 public boolean setModelName(String value) { 603 return mSupplicantStaIfaceHal.setWpsModelName(value); 604 } 605 606 /** 607 * Set WPS model number. 608 * 609 * @param value String to be set. 610 * @return true if request is sent successfully, false otherwise. 611 */ 612 public boolean setModelNumber(String value) { 613 return mSupplicantStaIfaceHal.setWpsModelNumber(value); 614 } 615 616 /** 617 * Set WPS serial number. 618 * 619 * @param value String to be set. 620 * @return true if request is sent successfully, false otherwise. 621 */ 622 public boolean setSerialNumber(String value) { 623 return mSupplicantStaIfaceHal.setWpsSerialNumber(value); 624 } 625 626 /** 627 * Enable or disable power save mode. 628 * 629 * @param enabled true to enable, false to disable. 630 */ 631 public void setPowerSave(boolean enabled) { 632 mSupplicantStaIfaceHal.setPowerSave(enabled); 633 } 634 635 /** 636 * Set concurrency priority between P2P & STA operations. 637 * 638 * @param isStaHigherPriority Set to true to prefer STA over P2P during concurrency operations, 639 * false otherwise. 640 * @return true if request is sent successfully, false otherwise. 641 */ 642 public boolean setConcurrencyPriority(boolean isStaHigherPriority) { 643 return mSupplicantStaIfaceHal.setConcurrencyPriority(isStaHigherPriority); 644 } 645 646 /** 647 * Enable/Disable auto reconnect functionality in wpa_supplicant. 648 * 649 * @param enable true to enable auto reconnecting, false to disable. 650 * @return true if request is sent successfully, false otherwise. 651 */ 652 public boolean enableStaAutoReconnect(boolean enable) { 653 return mSupplicantStaIfaceHal.enableAutoReconnect(enable); 654 } 655 656 /** 657 * Migrate all the configured networks from wpa_supplicant. 658 * 659 * @param configs Map of configuration key to configuration objects corresponding to all 660 * the networks. 661 * @param networkExtras Map of extra configuration parameters stored in wpa_supplicant.conf 662 * @return Max priority of all the configs. 663 */ 664 public boolean migrateNetworksFromSupplicant(Map<String, WifiConfiguration> configs, 665 SparseArray<Map<String, String>> networkExtras) { 666 return mSupplicantStaIfaceHal.loadNetworks(configs, networkExtras); 667 } 668 669 /** 670 * Add the provided network configuration to wpa_supplicant and initiate connection to it. 671 * This method does the following: 672 * 1. Remove any existing network in wpa_supplicant(This implicitly triggers disconnect). 673 * 2. Add a new network to wpa_supplicant. 674 * 3. Save the provided configuration to wpa_supplicant. 675 * 4. Select the new network in wpa_supplicant. 676 * 5. Triggers reconnect command to wpa_supplicant. 677 * 678 * @param configuration WifiConfiguration parameters for the provided network. 679 * @return {@code true} if it succeeds, {@code false} otherwise 680 */ 681 public boolean connectToNetwork(WifiConfiguration configuration) { 682 return mSupplicantStaIfaceHal.connectToNetwork(configuration); 683 } 684 685 /** 686 * Initiates roaming to the already configured network in wpa_supplicant. If the network 687 * configuration provided does not match the already configured network, then this triggers 688 * a new connection attempt (instead of roam). 689 * 1. First check if we're attempting to connect to the same network as we currently have 690 * configured. 691 * 2. Set the new bssid for the network in wpa_supplicant. 692 * 3. Triggers reassociate command to wpa_supplicant. 693 * 694 * @param configuration WifiConfiguration parameters for the provided network. 695 * @return {@code true} if it succeeds, {@code false} otherwise 696 */ 697 public boolean roamToNetwork(WifiConfiguration configuration) { 698 return mSupplicantStaIfaceHal.roamToNetwork(configuration); 699 } 700 701 /** 702 * Get the framework network ID corresponding to the provided supplicant network ID for the 703 * network configured in wpa_supplicant. 704 * 705 * @param supplicantNetworkId network ID in wpa_supplicant for the network. 706 * @return Corresponding framework network ID if found, -1 if network not found. 707 */ 708 public int getFrameworkNetworkId(int supplicantNetworkId) { 709 return supplicantNetworkId; 710 } 711 712 /** 713 * Remove all the networks. 714 * 715 * @return {@code true} if it succeeds, {@code false} otherwise 716 */ 717 public boolean removeAllNetworks() { 718 return mSupplicantStaIfaceHal.removeAllNetworks(); 719 } 720 721 /** 722 * Set the BSSID for the currently configured network in wpa_supplicant. 723 * 724 * @return true if successful, false otherwise. 725 */ 726 public boolean setConfiguredNetworkBSSID(String bssid) { 727 return mSupplicantStaIfaceHal.setCurrentNetworkBssid(bssid); 728 } 729 730 /** 731 * Initiate ANQP query. 732 * 733 * @param bssid BSSID of the AP to be queried 734 * @param anqpIds Set of anqp IDs. 735 * @param hs20Subtypes Set of HS20 subtypes. 736 * @return true on success, false otherwise. 737 */ 738 public boolean requestAnqp(String bssid, Set<Integer> anqpIds, Set<Integer> hs20Subtypes) { 739 if (bssid == null || ((anqpIds == null || anqpIds.isEmpty()) 740 && (hs20Subtypes == null || hs20Subtypes.isEmpty()))) { 741 Log.e(mTAG, "Invalid arguments for ANQP request."); 742 return false; 743 } 744 ArrayList<Short> anqpIdList = new ArrayList<>(); 745 for (Integer anqpId : anqpIds) { 746 anqpIdList.add(anqpId.shortValue()); 747 } 748 ArrayList<Integer> hs20SubtypeList = new ArrayList<>(); 749 hs20SubtypeList.addAll(hs20Subtypes); 750 return mSupplicantStaIfaceHal.initiateAnqpQuery(bssid, anqpIdList, hs20SubtypeList); 751 } 752 753 /** 754 * Request a passpoint icon file |filename| from the specified AP |bssid|. 755 * @param bssid BSSID of the AP 756 * @param fileName name of the icon file 757 * @return true if request is sent successfully, false otherwise 758 */ 759 public boolean requestIcon(String bssid, String fileName) { 760 if (bssid == null || fileName == null) { 761 Log.e(mTAG, "Invalid arguments for Icon request."); 762 return false; 763 } 764 return mSupplicantStaIfaceHal.initiateHs20IconQuery(bssid, fileName); 765 } 766 767 /** 768 * Get the currently configured network's WPS NFC token. 769 * 770 * @return Hex string corresponding to the WPS NFC token. 771 */ 772 public String getNfcWpsConfigurationToken(int netId) { 773 return mSupplicantStaIfaceHal.getCurrentNetworkWpsNfcConfigurationToken(); 774 } 775 /******************************************************** 776 * Vendor HAL operations 777 ********************************************************/ 778 /** 779 * Callback to notify vendor HAL death. 780 */ 781 public interface VendorHalDeathEventHandler { 782 /** 783 * Invoked when the vendor HAL dies. 784 */ 785 void onDeath(); 786 } 787 788 /** 789 * Initializes the vendor HAL. This is just used to initialize the {@link HalDeviceManager}. 790 */ 791 public boolean initializeVendorHal(VendorHalDeathEventHandler handler) { 792 return mWifiVendorHal.initialize(handler); 793 } 794 795 /** 796 * Bring up the Vendor HAL and configure for STA mode or AP mode. 797 * 798 * @param isStaMode true to start HAL in STA mode, false to start in AP mode. 799 */ 800 public boolean startHal(boolean isStaMode) { 801 return mWifiVendorHal.startVendorHal(isStaMode); 802 } 803 804 /** 805 * Stops the HAL 806 */ 807 public void stopHal() { 808 mWifiVendorHal.stopVendorHal(); 809 } 810 811 /** 812 * Tests whether the HAL is running or not 813 */ 814 public boolean isHalStarted() { 815 return mWifiVendorHal.isHalStarted(); 816 } 817 818 // TODO: Change variable names to camel style. 819 public static class ScanCapabilities { 820 public int max_scan_cache_size; 821 public int max_scan_buckets; 822 public int max_ap_cache_per_scan; 823 public int max_rssi_sample_size; 824 public int max_scan_reporting_threshold; 825 public int max_hotlist_bssids; 826 public int max_significant_wifi_change_aps; 827 public int max_bssid_history_entries; 828 public int max_number_epno_networks; 829 public int max_number_epno_networks_by_ssid; 830 public int max_number_of_white_listed_ssid; 831 } 832 833 /** 834 * Gets the scan capabilities 835 * 836 * @param capabilities object to be filled in 837 * @return true for success. false for failure 838 */ 839 public boolean getBgScanCapabilities(ScanCapabilities capabilities) { 840 return mWifiVendorHal.getBgScanCapabilities(capabilities); 841 } 842 843 public static class ChannelSettings { 844 public int frequency; 845 public int dwell_time_ms; 846 public boolean passive; 847 } 848 849 public static class BucketSettings { 850 public int bucket; 851 public int band; 852 public int period_ms; 853 public int max_period_ms; 854 public int step_count; 855 public int report_events; 856 public int num_channels; 857 public ChannelSettings[] channels; 858 } 859 860 /** 861 * Network parameters for hidden networks to be scanned for. 862 */ 863 public static class HiddenNetwork { 864 public String ssid; 865 866 @Override 867 public boolean equals(Object otherObj) { 868 if (this == otherObj) { 869 return true; 870 } else if (otherObj == null || getClass() != otherObj.getClass()) { 871 return false; 872 } 873 HiddenNetwork other = (HiddenNetwork) otherObj; 874 return Objects.equals(ssid, other.ssid); 875 } 876 877 @Override 878 public int hashCode() { 879 return (ssid == null ? 0 : ssid.hashCode()); 880 } 881 } 882 883 public static class ScanSettings { 884 public int base_period_ms; 885 public int max_ap_per_scan; 886 public int report_threshold_percent; 887 public int report_threshold_num_scans; 888 public int num_buckets; 889 /* Not used for bg scans. Only works for single scans. */ 890 public HiddenNetwork[] hiddenNetworks; 891 public BucketSettings[] buckets; 892 } 893 894 /** 895 * Network parameters to start PNO scan. 896 */ 897 public static class PnoNetwork { 898 public String ssid; 899 public byte flags; 900 public byte auth_bit_field; 901 902 @Override 903 public boolean equals(Object otherObj) { 904 if (this == otherObj) { 905 return true; 906 } else if (otherObj == null || getClass() != otherObj.getClass()) { 907 return false; 908 } 909 PnoNetwork other = (PnoNetwork) otherObj; 910 return ((Objects.equals(ssid, other.ssid)) && (flags == other.flags) 911 && (auth_bit_field == other.auth_bit_field)); 912 } 913 914 @Override 915 public int hashCode() { 916 int result = (ssid == null ? 0 : ssid.hashCode()); 917 result ^= ((int) flags * 31) + ((int) auth_bit_field << 8); 918 return result; 919 } 920 } 921 922 /** 923 * Parameters to start PNO scan. This holds the list of networks which are going to used for 924 * PNO scan. 925 */ 926 public static class PnoSettings { 927 public int min5GHzRssi; 928 public int min24GHzRssi; 929 public int initialScoreMax; 930 public int currentConnectionBonus; 931 public int sameNetworkBonus; 932 public int secureBonus; 933 public int band5GHzBonus; 934 public int periodInMs; 935 public boolean isConnected; 936 public PnoNetwork[] networkList; 937 } 938 939 public static interface ScanEventHandler { 940 /** 941 * Called for each AP as it is found with the entire contents of the beacon/probe response. 942 * Only called when WifiScanner.REPORT_EVENT_FULL_SCAN_RESULT is specified. 943 */ 944 void onFullScanResult(ScanResult fullScanResult, int bucketsScanned); 945 /** 946 * Callback on an event during a gscan scan. 947 * See WifiNative.WIFI_SCAN_* for possible values. 948 */ 949 void onScanStatus(int event); 950 /** 951 * Called with the current cached scan results when gscan is paused. 952 */ 953 void onScanPaused(WifiScanner.ScanData[] data); 954 /** 955 * Called with the current cached scan results when gscan is resumed. 956 */ 957 void onScanRestarted(); 958 } 959 960 /** 961 * Handler to notify the occurrence of various events during PNO scan. 962 */ 963 public interface PnoEventHandler { 964 /** 965 * Callback to notify when one of the shortlisted networks is found during PNO scan. 966 * @param results List of Scan results received. 967 */ 968 void onPnoNetworkFound(ScanResult[] results); 969 970 /** 971 * Callback to notify when the PNO scan schedule fails. 972 */ 973 void onPnoScanFailed(); 974 } 975 976 public static final int WIFI_SCAN_RESULTS_AVAILABLE = 0; 977 public static final int WIFI_SCAN_THRESHOLD_NUM_SCANS = 1; 978 public static final int WIFI_SCAN_THRESHOLD_PERCENT = 2; 979 public static final int WIFI_SCAN_FAILED = 3; 980 981 /** 982 * Starts a background scan. 983 * Any ongoing scan will be stopped first 984 * 985 * @param settings to control the scan 986 * @param eventHandler to call with the results 987 * @return true for success 988 */ 989 public boolean startBgScan(ScanSettings settings, ScanEventHandler eventHandler) { 990 return mWifiVendorHal.startBgScan(settings, eventHandler); 991 } 992 993 /** 994 * Stops any ongoing backgound scan 995 */ 996 public void stopBgScan() { 997 mWifiVendorHal.stopBgScan(); 998 } 999 1000 /** 1001 * Pauses an ongoing backgound scan 1002 */ 1003 public void pauseBgScan() { 1004 mWifiVendorHal.pauseBgScan(); 1005 } 1006 1007 /** 1008 * Restarts a paused scan 1009 */ 1010 public void restartBgScan() { 1011 mWifiVendorHal.restartBgScan(); 1012 } 1013 1014 /** 1015 * Gets the latest scan results received. 1016 */ 1017 public WifiScanner.ScanData[] getBgScanResults() { 1018 return mWifiVendorHal.getBgScanResults(); 1019 } 1020 1021 public static interface HotlistEventHandler { 1022 void onHotlistApFound (ScanResult[] result); 1023 void onHotlistApLost (ScanResult[] result); 1024 } 1025 1026 public boolean setHotlist(WifiScanner.HotlistSettings settings, 1027 HotlistEventHandler eventHandler) { 1028 Log.e(mTAG, "setHotlist not supported"); 1029 return false; 1030 } 1031 1032 public void resetHotlist() { 1033 Log.e(mTAG, "resetHotlist not supported"); 1034 } 1035 1036 public static interface SignificantWifiChangeEventHandler { 1037 void onChangesFound(ScanResult[] result); 1038 } 1039 1040 public boolean trackSignificantWifiChange( 1041 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1042 Log.e(mTAG, "trackSignificantWifiChange not supported"); 1043 return false; 1044 } 1045 1046 public void untrackSignificantWifiChange() { 1047 Log.e(mTAG, "untrackSignificantWifiChange not supported"); 1048 } 1049 1050 public WifiLinkLayerStats getWifiLinkLayerStats(String iface) { 1051 return mWifiVendorHal.getWifiLinkLayerStats(); 1052 } 1053 1054 /** 1055 * Get the supported features 1056 * 1057 * @return bitmask defined by WifiManager.WIFI_FEATURE_* 1058 */ 1059 public int getSupportedFeatureSet() { 1060 return mWifiVendorHal.getSupportedFeatureSet(); 1061 } 1062 1063 public static interface RttEventHandler { 1064 void onRttResults(RttManager.RttResult[] result); 1065 } 1066 1067 /** 1068 * Starts a new rtt request 1069 * 1070 * @param params RTT request params. Refer to {@link RttManager#RttParams}. 1071 * @param handler Callback to be invoked to notify any results. 1072 * @return true if the request was successful, false otherwise. 1073 */ 1074 public boolean requestRtt( 1075 RttManager.RttParams[] params, RttEventHandler handler) { 1076 return mWifiVendorHal.requestRtt(params, handler); 1077 } 1078 1079 /** 1080 * Cancels an outstanding rtt request 1081 * 1082 * @param params RTT request params. Refer to {@link RttManager#RttParams} 1083 * @return true if there was an outstanding request and it was successfully cancelled 1084 */ 1085 public boolean cancelRtt(RttManager.RttParams[] params) { 1086 return mWifiVendorHal.cancelRtt(params); 1087 } 1088 1089 /** 1090 * Enable RTT responder role on the device. Returns {@link ResponderConfig} if the responder 1091 * role is successfully enabled, {@code null} otherwise. 1092 * 1093 * @param timeoutSeconds timeout to use for the responder. 1094 */ 1095 @Nullable 1096 public ResponderConfig enableRttResponder(int timeoutSeconds) { 1097 return mWifiVendorHal.enableRttResponder(timeoutSeconds); 1098 } 1099 1100 /** 1101 * Disable RTT responder role. Returns {@code true} if responder role is successfully disabled, 1102 * {@code false} otherwise. 1103 */ 1104 public boolean disableRttResponder() { 1105 return mWifiVendorHal.disableRttResponder(); 1106 } 1107 1108 /** 1109 * Set the MAC OUI during scanning. 1110 * An OUI {Organizationally Unique Identifier} is a 24-bit number that 1111 * uniquely identifies a vendor or manufacturer. 1112 * 1113 * @param oui OUI to set. 1114 * @return true for success 1115 */ 1116 public boolean setScanningMacOui(byte[] oui) { 1117 return mWifiVendorHal.setScanningMacOui(oui); 1118 } 1119 1120 /** 1121 * Query the list of valid frequencies for the provided band. 1122 * The result depends on the on the country code that has been set. 1123 * 1124 * @param band as specified by one of the WifiScanner.WIFI_BAND_* constants. 1125 * @return frequencies vector of valid frequencies (MHz), or null for error. 1126 * @throws IllegalArgumentException if band is not recognized. 1127 */ 1128 public int [] getChannelsForBand(int band) { 1129 return mWifiVendorHal.getChannelsForBand(band); 1130 } 1131 1132 /** 1133 * Indicates whether getChannelsForBand is supported. 1134 * 1135 * @return true if it is. 1136 */ 1137 public boolean isGetChannelsForBandSupported() { 1138 return mWifiVendorHal.isGetChannelsForBandSupported(); 1139 } 1140 1141 /** 1142 * RTT (Round Trip Time) measurement capabilities of the device. 1143 */ 1144 public RttManager.RttCapabilities getRttCapabilities() { 1145 return mWifiVendorHal.getRttCapabilities(); 1146 } 1147 1148 /** 1149 * Get the APF (Android Packet Filter) capabilities of the device 1150 */ 1151 public ApfCapabilities getApfCapabilities() { 1152 return mWifiVendorHal.getApfCapabilities(); 1153 } 1154 1155 /** 1156 * Installs an APF program on this iface, replacing any existing program. 1157 * 1158 * @param filter is the android packet filter program 1159 * @return true for success 1160 */ 1161 public boolean installPacketFilter(byte[] filter) { 1162 return mWifiVendorHal.installPacketFilter(filter); 1163 } 1164 1165 /** 1166 * Set country code for this AP iface. 1167 * 1168 * @param countryCode - two-letter country code (as ISO 3166) 1169 * @return true for success 1170 */ 1171 public boolean setCountryCodeHal(String countryCode) { 1172 return mWifiVendorHal.setCountryCodeHal(countryCode); 1173 } 1174 1175 //--------------------------------------------------------------------------------- 1176 /* Wifi Logger commands/events */ 1177 public static interface WifiLoggerEventHandler { 1178 void onRingBufferData(RingBufferStatus status, byte[] buffer); 1179 void onWifiAlert(int errorCode, byte[] buffer); 1180 } 1181 1182 /** 1183 * Registers the logger callback and enables alerts. 1184 * Ring buffer data collection is only triggered when |startLoggingRingBuffer| is invoked. 1185 * 1186 * @param handler Callback to be invoked. 1187 * @return true on success, false otherwise. 1188 */ 1189 public boolean setLoggingEventHandler(WifiLoggerEventHandler handler) { 1190 return mWifiVendorHal.setLoggingEventHandler(handler); 1191 } 1192 1193 /** 1194 * Control debug data collection 1195 * 1196 * @param verboseLevel 0 to 3, inclusive. 0 stops logging. 1197 * @param flags Ignored. 1198 * @param maxInterval Maximum interval between reports; ignore if 0. 1199 * @param minDataSize Minimum data size in buffer for report; ignore if 0. 1200 * @param ringName Name of the ring for which data collection is to start. 1201 * @return true for success, false otherwise. 1202 */ 1203 public boolean startLoggingRingBuffer(int verboseLevel, int flags, int maxInterval, 1204 int minDataSize, String ringName){ 1205 return mWifiVendorHal.startLoggingRingBuffer( 1206 verboseLevel, flags, maxInterval, minDataSize, ringName); 1207 } 1208 1209 /** 1210 * Logger features exposed. 1211 * This is a no-op now, will always return -1. 1212 * 1213 * @return true on success, false otherwise. 1214 */ 1215 public int getSupportedLoggerFeatureSet() { 1216 return mWifiVendorHal.getSupportedLoggerFeatureSet(); 1217 } 1218 1219 /** 1220 * Stops all logging and resets the logger callback. 1221 * This stops both the alerts and ring buffer data collection. 1222 * @return true on success, false otherwise. 1223 */ 1224 public boolean resetLogHandler() { 1225 return mWifiVendorHal.resetLogHandler(); 1226 } 1227 1228 /** 1229 * Vendor-provided wifi driver version string 1230 * 1231 * @return String returned from the HAL. 1232 */ 1233 public String getDriverVersion() { 1234 return mWifiVendorHal.getDriverVersion(); 1235 } 1236 1237 /** 1238 * Vendor-provided wifi firmware version string 1239 * 1240 * @return String returned from the HAL. 1241 */ 1242 public String getFirmwareVersion() { 1243 return mWifiVendorHal.getFirmwareVersion(); 1244 } 1245 1246 public static class RingBufferStatus{ 1247 String name; 1248 int flag; 1249 int ringBufferId; 1250 int ringBufferByteSize; 1251 int verboseLevel; 1252 int writtenBytes; 1253 int readBytes; 1254 int writtenRecords; 1255 1256 // Bit masks for interpreting |flag| 1257 public static final int HAS_BINARY_ENTRIES = (1 << 0); 1258 public static final int HAS_ASCII_ENTRIES = (1 << 1); 1259 public static final int HAS_PER_PACKET_ENTRIES = (1 << 2); 1260 1261 @Override 1262 public String toString() { 1263 return "name: " + name + " flag: " + flag + " ringBufferId: " + ringBufferId + 1264 " ringBufferByteSize: " +ringBufferByteSize + " verboseLevel: " +verboseLevel + 1265 " writtenBytes: " + writtenBytes + " readBytes: " + readBytes + 1266 " writtenRecords: " + writtenRecords; 1267 } 1268 } 1269 1270 /** 1271 * API to get the status of all ring buffers supported by driver 1272 */ 1273 public RingBufferStatus[] getRingBufferStatus() { 1274 return mWifiVendorHal.getRingBufferStatus(); 1275 } 1276 1277 /** 1278 * Indicates to driver that all the data has to be uploaded urgently 1279 * 1280 * @param ringName Name of the ring buffer requested. 1281 * @return true on success, false otherwise. 1282 */ 1283 public boolean getRingBufferData(String ringName) { 1284 return mWifiVendorHal.getRingBufferData(ringName); 1285 } 1286 1287 /** 1288 * Request vendor debug info from the firmware 1289 * 1290 * @return Raw data obtained from the HAL. 1291 */ 1292 public byte[] getFwMemoryDump() { 1293 return mWifiVendorHal.getFwMemoryDump(); 1294 } 1295 1296 /** 1297 * Request vendor debug info from the driver 1298 * 1299 * @return Raw data obtained from the HAL. 1300 */ 1301 public byte[] getDriverStateDump() { 1302 return mWifiVendorHal.getDriverStateDump(); 1303 } 1304 1305 //--------------------------------------------------------------------------------- 1306 /* Packet fate API */ 1307 1308 @Immutable 1309 abstract static class FateReport { 1310 final static int USEC_PER_MSEC = 1000; 1311 // The driver timestamp is a 32-bit counter, in microseconds. This field holds the 1312 // maximal value of a driver timestamp in milliseconds. 1313 final static int MAX_DRIVER_TIMESTAMP_MSEC = (int) (0xffffffffL / 1000); 1314 final static SimpleDateFormat dateFormatter = new SimpleDateFormat("HH:mm:ss.SSS"); 1315 1316 final byte mFate; 1317 final long mDriverTimestampUSec; 1318 final byte mFrameType; 1319 final byte[] mFrameBytes; 1320 final long mEstimatedWallclockMSec; 1321 1322 FateReport(byte fate, long driverTimestampUSec, byte frameType, byte[] frameBytes) { 1323 mFate = fate; 1324 mDriverTimestampUSec = driverTimestampUSec; 1325 mEstimatedWallclockMSec = 1326 convertDriverTimestampUSecToWallclockMSec(mDriverTimestampUSec); 1327 mFrameType = frameType; 1328 mFrameBytes = frameBytes; 1329 } 1330 1331 public String toTableRowString() { 1332 StringWriter sw = new StringWriter(); 1333 PrintWriter pw = new PrintWriter(sw); 1334 FrameParser parser = new FrameParser(mFrameType, mFrameBytes); 1335 dateFormatter.setTimeZone(TimeZone.getDefault()); 1336 pw.format("%-15s %12s %-9s %-32s %-12s %-23s %s\n", 1337 mDriverTimestampUSec, 1338 dateFormatter.format(new Date(mEstimatedWallclockMSec)), 1339 directionToString(), fateToString(), parser.mMostSpecificProtocolString, 1340 parser.mTypeString, parser.mResultString); 1341 return sw.toString(); 1342 } 1343 1344 public String toVerboseStringWithPiiAllowed() { 1345 StringWriter sw = new StringWriter(); 1346 PrintWriter pw = new PrintWriter(sw); 1347 FrameParser parser = new FrameParser(mFrameType, mFrameBytes); 1348 pw.format("Frame direction: %s\n", directionToString()); 1349 pw.format("Frame timestamp: %d\n", mDriverTimestampUSec); 1350 pw.format("Frame fate: %s\n", fateToString()); 1351 pw.format("Frame type: %s\n", frameTypeToString(mFrameType)); 1352 pw.format("Frame protocol: %s\n", parser.mMostSpecificProtocolString); 1353 pw.format("Frame protocol type: %s\n", parser.mTypeString); 1354 pw.format("Frame length: %d\n", mFrameBytes.length); 1355 pw.append("Frame bytes"); 1356 pw.append(HexDump.dumpHexString(mFrameBytes)); // potentially contains PII 1357 pw.append("\n"); 1358 return sw.toString(); 1359 } 1360 1361 /* Returns a header to match the output of toTableRowString(). */ 1362 public static String getTableHeader() { 1363 StringWriter sw = new StringWriter(); 1364 PrintWriter pw = new PrintWriter(sw); 1365 pw.format("\n%-15s %-12s %-9s %-32s %-12s %-23s %s\n", 1366 "Time usec", "Walltime", "Direction", "Fate", "Protocol", "Type", "Result"); 1367 pw.format("%-15s %-12s %-9s %-32s %-12s %-23s %s\n", 1368 "---------", "--------", "---------", "----", "--------", "----", "------"); 1369 return sw.toString(); 1370 } 1371 1372 protected abstract String directionToString(); 1373 1374 protected abstract String fateToString(); 1375 1376 private static String frameTypeToString(byte frameType) { 1377 switch (frameType) { 1378 case WifiLoggerHal.FRAME_TYPE_UNKNOWN: 1379 return "unknown"; 1380 case WifiLoggerHal.FRAME_TYPE_ETHERNET_II: 1381 return "data"; 1382 case WifiLoggerHal.FRAME_TYPE_80211_MGMT: 1383 return "802.11 management"; 1384 default: 1385 return Byte.toString(frameType); 1386 } 1387 } 1388 1389 /** 1390 * Converts a driver timestamp to a wallclock time, based on the current 1391 * BOOTTIME to wallclock mapping. The driver timestamp is a 32-bit counter of 1392 * microseconds, with the same base as BOOTTIME. 1393 */ 1394 private static long convertDriverTimestampUSecToWallclockMSec(long driverTimestampUSec) { 1395 final long wallclockMillisNow = System.currentTimeMillis(); 1396 final long boottimeMillisNow = SystemClock.elapsedRealtime(); 1397 final long driverTimestampMillis = driverTimestampUSec / USEC_PER_MSEC; 1398 1399 long boottimeTimestampMillis = boottimeMillisNow % MAX_DRIVER_TIMESTAMP_MSEC; 1400 if (boottimeTimestampMillis < driverTimestampMillis) { 1401 // The 32-bit microsecond count has wrapped between the time that the driver 1402 // recorded the packet, and the call to this function. Adjust the BOOTTIME 1403 // timestamp, to compensate. 1404 // 1405 // Note that overflow is not a concern here, since the result is less than 1406 // 2 * MAX_DRIVER_TIMESTAMP_MSEC. (Given the modulus operation above, 1407 // boottimeTimestampMillis must be less than MAX_DRIVER_TIMESTAMP_MSEC.) And, since 1408 // MAX_DRIVER_TIMESTAMP_MSEC is an int, 2 * MAX_DRIVER_TIMESTAMP_MSEC must fit 1409 // within a long. 1410 boottimeTimestampMillis += MAX_DRIVER_TIMESTAMP_MSEC; 1411 } 1412 1413 final long millisSincePacketTimestamp = boottimeTimestampMillis - driverTimestampMillis; 1414 return wallclockMillisNow - millisSincePacketTimestamp; 1415 } 1416 } 1417 1418 /** 1419 * Represents the fate information for one outbound packet. 1420 */ 1421 @Immutable 1422 public static final class TxFateReport extends FateReport { 1423 TxFateReport(byte fate, long driverTimestampUSec, byte frameType, byte[] frameBytes) { 1424 super(fate, driverTimestampUSec, frameType, frameBytes); 1425 } 1426 1427 @Override 1428 protected String directionToString() { 1429 return "TX"; 1430 } 1431 1432 @Override 1433 protected String fateToString() { 1434 switch (mFate) { 1435 case WifiLoggerHal.TX_PKT_FATE_ACKED: 1436 return "acked"; 1437 case WifiLoggerHal.TX_PKT_FATE_SENT: 1438 return "sent"; 1439 case WifiLoggerHal.TX_PKT_FATE_FW_QUEUED: 1440 return "firmware queued"; 1441 case WifiLoggerHal.TX_PKT_FATE_FW_DROP_INVALID: 1442 return "firmware dropped (invalid frame)"; 1443 case WifiLoggerHal.TX_PKT_FATE_FW_DROP_NOBUFS: 1444 return "firmware dropped (no bufs)"; 1445 case WifiLoggerHal.TX_PKT_FATE_FW_DROP_OTHER: 1446 return "firmware dropped (other)"; 1447 case WifiLoggerHal.TX_PKT_FATE_DRV_QUEUED: 1448 return "driver queued"; 1449 case WifiLoggerHal.TX_PKT_FATE_DRV_DROP_INVALID: 1450 return "driver dropped (invalid frame)"; 1451 case WifiLoggerHal.TX_PKT_FATE_DRV_DROP_NOBUFS: 1452 return "driver dropped (no bufs)"; 1453 case WifiLoggerHal.TX_PKT_FATE_DRV_DROP_OTHER: 1454 return "driver dropped (other)"; 1455 default: 1456 return Byte.toString(mFate); 1457 } 1458 } 1459 } 1460 1461 /** 1462 * Represents the fate information for one inbound packet. 1463 */ 1464 @Immutable 1465 public static final class RxFateReport extends FateReport { 1466 RxFateReport(byte fate, long driverTimestampUSec, byte frameType, byte[] frameBytes) { 1467 super(fate, driverTimestampUSec, frameType, frameBytes); 1468 } 1469 1470 @Override 1471 protected String directionToString() { 1472 return "RX"; 1473 } 1474 1475 @Override 1476 protected String fateToString() { 1477 switch (mFate) { 1478 case WifiLoggerHal.RX_PKT_FATE_SUCCESS: 1479 return "success"; 1480 case WifiLoggerHal.RX_PKT_FATE_FW_QUEUED: 1481 return "firmware queued"; 1482 case WifiLoggerHal.RX_PKT_FATE_FW_DROP_FILTER: 1483 return "firmware dropped (filter)"; 1484 case WifiLoggerHal.RX_PKT_FATE_FW_DROP_INVALID: 1485 return "firmware dropped (invalid frame)"; 1486 case WifiLoggerHal.RX_PKT_FATE_FW_DROP_NOBUFS: 1487 return "firmware dropped (no bufs)"; 1488 case WifiLoggerHal.RX_PKT_FATE_FW_DROP_OTHER: 1489 return "firmware dropped (other)"; 1490 case WifiLoggerHal.RX_PKT_FATE_DRV_QUEUED: 1491 return "driver queued"; 1492 case WifiLoggerHal.RX_PKT_FATE_DRV_DROP_FILTER: 1493 return "driver dropped (filter)"; 1494 case WifiLoggerHal.RX_PKT_FATE_DRV_DROP_INVALID: 1495 return "driver dropped (invalid frame)"; 1496 case WifiLoggerHal.RX_PKT_FATE_DRV_DROP_NOBUFS: 1497 return "driver dropped (no bufs)"; 1498 case WifiLoggerHal.RX_PKT_FATE_DRV_DROP_OTHER: 1499 return "driver dropped (other)"; 1500 default: 1501 return Byte.toString(mFate); 1502 } 1503 } 1504 } 1505 1506 /** 1507 * Ask the HAL to enable packet fate monitoring. Fails unless HAL is started. 1508 * 1509 * @return true for success, false otherwise. 1510 */ 1511 public boolean startPktFateMonitoring() { 1512 return mWifiVendorHal.startPktFateMonitoring(); 1513 } 1514 1515 /** 1516 * Fetch the most recent TX packet fates from the HAL. Fails unless HAL is started. 1517 * 1518 * @return true for success, false otherwise. 1519 */ 1520 public boolean getTxPktFates(TxFateReport[] reportBufs) { 1521 return mWifiVendorHal.getTxPktFates(reportBufs); 1522 } 1523 1524 /** 1525 * Fetch the most recent RX packet fates from the HAL. Fails unless HAL is started. 1526 */ 1527 public boolean getRxPktFates(RxFateReport[] reportBufs) { 1528 return mWifiVendorHal.getRxPktFates(reportBufs); 1529 } 1530 1531 /** 1532 * Set the PNO settings & the network list in HAL to start PNO. 1533 * @param settings PNO settings and network list. 1534 * @param eventHandler Handler to receive notifications back during PNO scan. 1535 * @return true if success, false otherwise 1536 */ 1537 public boolean setPnoList(PnoSettings settings, PnoEventHandler eventHandler) { 1538 Log.e(mTAG, "setPnoList not supported"); 1539 return false; 1540 } 1541 1542 /** 1543 * Reset the PNO settings in HAL to stop PNO. 1544 * @return true if success, false otherwise 1545 */ 1546 public boolean resetPnoList() { 1547 Log.e(mTAG, "resetPnoList not supported"); 1548 return false; 1549 } 1550 1551 /** 1552 * Start sending the specified keep alive packets periodically. 1553 * 1554 * @param slot Integer used to identify each request. 1555 * @param keepAlivePacket Raw packet contents to send. 1556 * @param period Period to use for sending these packets. 1557 * @return 0 for success, -1 for error 1558 */ 1559 public int startSendingOffloadedPacket(int slot, KeepalivePacketData keepAlivePacket, 1560 int period) { 1561 String[] macAddrStr = getMacAddress().split(":"); 1562 byte[] srcMac = new byte[6]; 1563 for (int i = 0; i < 6; i++) { 1564 Integer hexVal = Integer.parseInt(macAddrStr[i], 16); 1565 srcMac[i] = hexVal.byteValue(); 1566 } 1567 return mWifiVendorHal.startSendingOffloadedPacket( 1568 slot, srcMac, keepAlivePacket, period); 1569 } 1570 1571 /** 1572 * Stop sending the specified keep alive packets. 1573 * 1574 * @param slot id - same as startSendingOffloadedPacket call. 1575 * @return 0 for success, -1 for error 1576 */ 1577 public int stopSendingOffloadedPacket(int slot) { 1578 return mWifiVendorHal.stopSendingOffloadedPacket(slot); 1579 } 1580 1581 public static interface WifiRssiEventHandler { 1582 void onRssiThresholdBreached(byte curRssi); 1583 } 1584 1585 /** 1586 * Start RSSI monitoring on the currently connected access point. 1587 * 1588 * @param maxRssi Maximum RSSI threshold. 1589 * @param minRssi Minimum RSSI threshold. 1590 * @param rssiEventHandler Called when RSSI goes above maxRssi or below minRssi 1591 * @return 0 for success, -1 for failure 1592 */ 1593 public int startRssiMonitoring(byte maxRssi, byte minRssi, 1594 WifiRssiEventHandler rssiEventHandler) { 1595 return mWifiVendorHal.startRssiMonitoring(maxRssi, minRssi, rssiEventHandler); 1596 } 1597 1598 public int stopRssiMonitoring() { 1599 return mWifiVendorHal.stopRssiMonitoring(); 1600 } 1601 1602 /** 1603 * Fetch the host wakeup reasons stats from wlan driver. 1604 * 1605 * @return the |WifiWakeReasonAndCounts| object retrieved from the wlan driver. 1606 */ 1607 public WifiWakeReasonAndCounts getWlanWakeReasonCount() { 1608 return mWifiVendorHal.getWlanWakeReasonCount(); 1609 } 1610 1611 /** 1612 * Enable/Disable Neighbour discovery offload functionality in the firmware. 1613 * 1614 * @param enabled true to enable, false to disable. 1615 * @return true for success, false otherwise. 1616 */ 1617 public boolean configureNeighborDiscoveryOffload(boolean enabled) { 1618 return mWifiVendorHal.configureNeighborDiscoveryOffload(enabled); 1619 } 1620 1621 // Firmware roaming control. 1622 1623 /** 1624 * Class to retrieve firmware roaming capability parameters. 1625 */ 1626 public static class RoamingCapabilities { 1627 public int maxBlacklistSize; 1628 public int maxWhitelistSize; 1629 } 1630 1631 /** 1632 * Query the firmware roaming capabilities. 1633 * @return true for success, false otherwise. 1634 */ 1635 public boolean getRoamingCapabilities(RoamingCapabilities capabilities) { 1636 return mWifiVendorHal.getRoamingCapabilities(capabilities); 1637 } 1638 1639 /** 1640 * Macros for controlling firmware roaming. 1641 */ 1642 public static final int DISABLE_FIRMWARE_ROAMING = 0; 1643 public static final int ENABLE_FIRMWARE_ROAMING = 1; 1644 1645 /** 1646 * Enable/disable firmware roaming. 1647 * 1648 * @return error code returned from HAL. 1649 */ 1650 public int enableFirmwareRoaming(int state) { 1651 return mWifiVendorHal.enableFirmwareRoaming(state); 1652 } 1653 1654 /** 1655 * Class for specifying the roaming configurations. 1656 */ 1657 public static class RoamingConfig { 1658 public ArrayList<String> blacklistBssids; 1659 public ArrayList<String> whitelistSsids; 1660 } 1661 1662 /** 1663 * Set firmware roaming configurations. 1664 */ 1665 public boolean configureRoaming(RoamingConfig config) { 1666 Log.d(mTAG, "configureRoaming "); 1667 return mWifiVendorHal.configureRoaming(config); 1668 } 1669 1670 /** 1671 * Reset firmware roaming configuration. 1672 */ 1673 public boolean resetRoamingConfiguration() { 1674 // Pass in an empty RoamingConfig object which translates to zero size 1675 // blacklist and whitelist to reset the firmware roaming configuration. 1676 return mWifiVendorHal.configureRoaming(new RoamingConfig()); 1677 } 1678 1679 /******************************************************** 1680 * JNI operations 1681 ********************************************************/ 1682 /* Register native functions */ 1683 static { 1684 /* Native functions are defined in libwifi-service.so */ 1685 System.loadLibrary("wifi-service"); 1686 registerNatives(); 1687 } 1688 1689 private static native int registerNatives(); 1690 /* kernel logging support */ 1691 private static native byte[] readKernelLogNative(); 1692 1693 /** 1694 * Fetches the latest kernel logs. 1695 */ 1696 public synchronized String readKernelLog() { 1697 byte[] bytes = readKernelLogNative(); 1698 if (bytes != null) { 1699 CharsetDecoder decoder = StandardCharsets.UTF_8.newDecoder(); 1700 try { 1701 CharBuffer decoded = decoder.decode(ByteBuffer.wrap(bytes)); 1702 return decoded.toString(); 1703 } catch (CharacterCodingException cce) { 1704 return new String(bytes, StandardCharsets.ISO_8859_1); 1705 } 1706 } else { 1707 return "*** failed to read kernel log ***"; 1708 } 1709 } 1710} 1711