1 /* 2 * Copyright 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 17 #define LOG_TAG "wifi" 18 19 #include "jni.h" 20 #include "JniConstants.h" 21 #include <ScopedUtfChars.h> 22 #include <ScopedBytes.h> 23 #include <utils/misc.h> 24 #include <utils/Log.h> 25 #include <utils/String16.h> 26 #include <ctype.h> 27 #include <stdlib.h> 28 #include <sys/socket.h> 29 #include <sys/klog.h> 30 #include <linux/if.h> 31 #include <linux/if_arp.h> 32 33 #include <algorithm> 34 #include <limits> 35 #include <vector> 36 37 #include "wifi.h" 38 #include "wifi_hal.h" 39 #include "jni_helper.h" 40 #include "rtt.h" 41 #include "wifi_hal_stub.h" 42 #define REPLY_BUF_SIZE 4096 + 1 // wpa_supplicant's maximum size + 1 for nul 43 #define EVENT_BUF_SIZE 2048 44 #define WAKE_REASON_TYPE_MAX 10 45 46 namespace android { 47 48 extern "C" 49 jint Java_com_android_server_wifi_WifiNative_registerNanNatives(JNIEnv* env, jclass clazz); 50 51 static jint DBG = false; 52 53 //Please put all HAL function call here and call from the function table instead of directly call 54 wifi_hal_fn hal_fn; 55 static bool doCommand(JNIEnv* env, jstring javaCommand, 56 char* reply, size_t reply_len) { 57 ScopedUtfChars command(env, javaCommand); 58 if (command.c_str() == NULL) { 59 return false; // ScopedUtfChars already threw on error. 60 } 61 62 if (DBG) { 63 ALOGD("doCommand: %s", command.c_str()); 64 } 65 66 --reply_len; // Ensure we have room to add NUL termination. 67 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 68 return false; 69 } 70 71 // Strip off trailing newline. 72 if (reply_len > 0 && reply[reply_len-1] == '\n') { 73 reply[reply_len-1] = '\0'; 74 } else { 75 reply[reply_len] = '\0'; 76 } 77 return true; 78 } 79 80 static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 81 char reply[REPLY_BUF_SIZE]; 82 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 83 return -1; 84 } 85 return static_cast<jint>(atoi(reply)); 86 } 87 88 static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 89 char reply[REPLY_BUF_SIZE]; 90 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 91 return JNI_FALSE; 92 } 93 jboolean result = (strcmp(reply, "OK") == 0); 94 if (!result) { 95 ScopedUtfChars command(env, javaCommand); 96 ALOGI("command '%s' returned '%s", command.c_str(), reply); 97 } 98 return result; 99 } 100 101 // Send a command to the supplicant, and return the reply as a String. 102 static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 103 char reply[REPLY_BUF_SIZE]; 104 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 105 return NULL; 106 } 107 return env->NewStringUTF(reply); 108 } 109 110 static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jclass) 111 { 112 return (::is_wifi_driver_loaded() == 1); 113 } 114 115 static jboolean android_net_wifi_loadDriver(JNIEnv* env, jclass) 116 { 117 return (::wifi_load_driver() == 0); 118 } 119 120 static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jclass) 121 { 122 return (::wifi_unload_driver() == 0); 123 } 124 125 static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 126 { 127 return (::wifi_start_supplicant(p2pSupported) == 0); 128 } 129 130 static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 131 { 132 return (::wifi_stop_supplicant(p2pSupported) == 0); 133 } 134 135 static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jclass) 136 { 137 return (::wifi_connect_to_supplicant() == 0); 138 } 139 140 static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jclass) 141 { 142 ::wifi_close_supplicant_connection(); 143 } 144 145 static jstring android_net_wifi_waitForEvent(JNIEnv* env, jclass) 146 { 147 char buf[EVENT_BUF_SIZE]; 148 int nread = ::wifi_wait_for_event(buf, sizeof buf); 149 if (nread > 0) { 150 return env->NewStringUTF(buf); 151 } else { 152 return NULL; 153 } 154 } 155 156 static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jclass, jstring javaCommand) { 157 return doBooleanCommand(env, javaCommand); 158 } 159 160 static jint android_net_wifi_doIntCommand(JNIEnv* env, jclass, jstring javaCommand) { 161 return doIntCommand(env, javaCommand); 162 } 163 164 static jstring android_net_wifi_doStringCommand(JNIEnv* env, jclass, jstring javaCommand) { 165 return doStringCommand(env,javaCommand); 166 } 167 168 /* wifi_hal <==> WifiNative bridge */ 169 170 static jclass mCls; /* saved WifiNative object */ 171 static JavaVM *mVM; /* saved JVM pointer */ 172 173 static const char *WifiHandleVarName = "sWifiHalHandle"; 174 static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 175 176 wifi_handle getWifiHandle(JNIHelper &helper, jclass cls) { 177 return (wifi_handle) helper.getStaticLongField(cls, WifiHandleVarName); 178 } 179 180 wifi_interface_handle getIfaceHandle(JNIHelper &helper, jclass cls, jint index) { 181 return (wifi_interface_handle) helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, index); 182 } 183 184 jboolean setSSIDField(JNIHelper helper, jobject scanResult, const char *rawSsid) { 185 186 int len = strlen(rawSsid); 187 188 if (len > 0) { 189 JNIObject<jbyteArray> ssidBytes = helper.newByteArray(len); 190 helper.setByteArrayRegion(ssidBytes, 0, len, (jbyte *) rawSsid); 191 jboolean ret = helper.callStaticMethod(mCls, 192 "setSsid", "([BLandroid/net/wifi/ScanResult;)Z", ssidBytes.get(), scanResult); 193 return ret; 194 } else { 195 //empty SSID or SSID start with \0 196 return true; 197 } 198 } 199 static JNIObject<jobject> createScanResult(JNIHelper &helper, wifi_scan_result *result, 200 bool fill_ie) { 201 // ALOGD("creating scan result"); 202 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 203 if (scanResult == NULL) { 204 ALOGE("Error in creating scan result"); 205 return JNIObject<jobject>(helper, NULL); 206 } 207 208 ALOGV("setting SSID to %s", result->ssid); 209 210 if (!setSSIDField(helper, scanResult, result->ssid)) { 211 ALOGE("Error on set SSID"); 212 return JNIObject<jobject>(helper, NULL); 213 } 214 215 char bssid[32]; 216 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 217 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 218 219 helper.setStringField(scanResult, "BSSID", bssid); 220 221 helper.setIntField(scanResult, "level", result->rssi); 222 helper.setIntField(scanResult, "frequency", result->channel); 223 helper.setLongField(scanResult, "timestamp", result->ts); 224 225 if (fill_ie) { 226 JNIObject<jbyteArray> elements = helper.newByteArray(result->ie_length); 227 if (elements == NULL) { 228 ALOGE("Error in allocating elements array, length=%d", result->ie_length); 229 return JNIObject<jobject>(helper, NULL); 230 } 231 jbyte * bytes = (jbyte *)&(result->ie_data[0]); 232 helper.setByteArrayRegion(elements, 0, result->ie_length, bytes); 233 helper.setObjectField(scanResult, "bytes", "[B", elements); 234 } 235 236 return scanResult; 237 } 238 239 int set_iface_flags(const char *ifname, bool dev_up) { 240 struct ifreq ifr; 241 int ret; 242 int sock = socket(PF_INET, SOCK_DGRAM, 0); 243 if (sock < 0) { 244 ALOGD("Bad socket: %d\n", sock); 245 return -errno; 246 } 247 248 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 249 250 memset(&ifr, 0, sizeof(ifr)); 251 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 252 253 //ALOGD("reading old value\n"); 254 255 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 256 ret = errno ? -errno : -999; 257 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 258 close(sock); 259 return ret; 260 } else { 261 //ALOGD("writing new value\n"); 262 } 263 264 if (dev_up) { 265 if (ifr.ifr_flags & IFF_UP) { 266 // ALOGD("interface %s is already up\n", ifname); 267 close(sock); 268 return 0; 269 } 270 ifr.ifr_flags |= IFF_UP; 271 } else { 272 if (!(ifr.ifr_flags & IFF_UP)) { 273 // ALOGD("interface %s is already down\n", ifname); 274 close(sock); 275 return 0; 276 } 277 ifr.ifr_flags &= ~IFF_UP; 278 } 279 280 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 281 ALOGE("Could not set interface %s flags: %d\n", ifname, errno); 282 ret = errno ? -errno : -999; 283 close(sock); 284 return ret; 285 } else { 286 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 287 } 288 close(sock); 289 return 0; 290 } 291 292 static jboolean android_net_wifi_set_interface_up(JNIEnv* env, jclass cls, jboolean up) { 293 return (set_iface_flags("wlan0", (bool)up) == 0); 294 } 295 296 static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 297 JNIHelper helper(env); 298 wifi_handle halHandle = getWifiHandle(helper, cls); 299 if (halHandle == NULL) { 300 301 if(init_wifi_stub_hal_func_table(&hal_fn) != 0 ) { 302 ALOGE("Can not initialize the basic function pointer table"); 303 return false; 304 } 305 306 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 307 if (res != WIFI_SUCCESS) { 308 ALOGE("Can not initialize the vendor function pointer table"); 309 return false; 310 } 311 312 int ret = set_iface_flags("wlan0", true); 313 if(ret != 0) { 314 return false; 315 } 316 317 res = hal_fn.wifi_initialize(&halHandle); 318 if (res == WIFI_SUCCESS) { 319 helper.setStaticLongField(cls, WifiHandleVarName, (jlong)halHandle); 320 ALOGD("Did set static halHandle = %p", halHandle); 321 } 322 env->GetJavaVM(&mVM); 323 mCls = (jclass) env->NewGlobalRef(cls); 324 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 325 return res == WIFI_SUCCESS; 326 } else { 327 return (set_iface_flags("wlan0", true) == 0); 328 } 329 } 330 331 void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 332 ALOGD("In wifi cleaned up handler"); 333 334 JNIHelper helper(mVM); 335 helper.setStaticLongField(mCls, WifiHandleVarName, 0); 336 337 helper.deleteGlobalRef(mCls); 338 mCls = NULL; 339 mVM = NULL; 340 } 341 342 static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 343 ALOGD("In wifi stop Hal"); 344 345 JNIHelper helper(env); 346 wifi_handle halHandle = getWifiHandle(helper, cls); 347 if (halHandle == NULL) 348 return; 349 350 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 351 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 352 } 353 354 static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 355 356 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 357 358 JNIHelper helper(env); 359 wifi_handle halHandle = getWifiHandle(helper, cls); 360 hal_fn.wifi_event_loop(halHandle); 361 set_iface_flags("wlan0", false); 362 } 363 364 static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 365 int n = 0; 366 367 JNIHelper helper(env); 368 369 wifi_handle halHandle = getWifiHandle(helper, cls); 370 wifi_interface_handle *ifaceHandles = NULL; 371 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 372 if (result < 0) { 373 return result; 374 } 375 376 if (n < 0) { 377 THROW(helper,"android_net_wifi_getInterfaces no interfaces"); 378 return 0; 379 } 380 381 if (ifaceHandles == NULL) { 382 THROW(helper,"android_net_wifi_getInterfaces null interface array"); 383 return 0; 384 } 385 386 if (n > 8) { 387 THROW(helper,"Too many interfaces"); 388 return 0; 389 } 390 391 jlongArray array = (env)->NewLongArray(n); 392 if (array == NULL) { 393 THROW(helper,"Error in accessing array"); 394 return 0; 395 } 396 397 jlong elems[8]; 398 for (int i = 0; i < n; i++) { 399 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 400 } 401 402 helper.setLongArrayRegion(array, 0, n, elems); 403 helper.setStaticLongArrayField(cls, WifiIfaceHandleVarName, array); 404 405 return (result < 0) ? result : n; 406 } 407 408 static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 409 410 char buf[EVENT_BUF_SIZE]; 411 412 JNIHelper helper(env); 413 414 jlong value = helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, i); 415 wifi_interface_handle handle = (wifi_interface_handle) value; 416 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 417 if (result < 0) { 418 return NULL; 419 } else { 420 JNIObject<jstring> name = helper.newStringUTF(buf); 421 return name.detach(); 422 } 423 } 424 425 426 static void onScanEvent(wifi_request_id id, wifi_scan_event event) { 427 428 JNIHelper helper(mVM); 429 430 // ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 431 432 helper.reportEvent(mCls, "onScanStatus", "(II)V", id, event); 433 } 434 435 static void onFullScanResult(wifi_request_id id, wifi_scan_result *result, 436 unsigned buckets_scanned) { 437 438 JNIHelper helper(mVM); 439 440 //ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 441 442 JNIObject<jobject> scanResult = createScanResult(helper, result, true); 443 444 if (scanResult == NULL) { 445 return; 446 } 447 448 helper.reportEvent(mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;II)V", id, 449 scanResult.get(), buckets_scanned, (jint) result->capability); 450 } 451 452 static jboolean android_net_wifi_startScan( 453 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 454 455 JNIHelper helper(env); 456 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 457 // ALOGD("starting scan on interface[%d] = %p", iface, handle); 458 459 wifi_scan_cmd_params params; 460 memset(¶ms, 0, sizeof(params)); 461 462 params.base_period = helper.getIntField(settings, "base_period_ms"); 463 params.max_ap_per_scan = helper.getIntField(settings, "max_ap_per_scan"); 464 params.report_threshold_percent = helper.getIntField(settings, "report_threshold_percent"); 465 params.report_threshold_num_scans = helper.getIntField(settings, "report_threshold_num_scans"); 466 467 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 468 params.report_threshold_percent, params.report_threshold_num_scans); 469 470 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 471 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 472 473 params.num_buckets = helper.getIntField(settings, "num_buckets"); 474 475 // ALOGD("Initialized num_buckets to %d", params.num_buckets); 476 477 for (int i = 0; i < params.num_buckets; i++) { 478 JNIObject<jobject> bucket = helper.getObjectArrayField( 479 settings, "buckets", bucket_array_type, i); 480 481 params.buckets[i].bucket = helper.getIntField(bucket, "bucket"); 482 params.buckets[i].band = (wifi_band) helper.getIntField(bucket, "band"); 483 params.buckets[i].period = helper.getIntField(bucket, "period_ms"); 484 params.buckets[i].max_period = helper.getIntField(bucket, "max_period_ms"); 485 // Although HAL API allows configurable base value for the truncated 486 // exponential back off scan. Native API and above support only 487 // truncated binary exponential back off scan. 488 // Hard code value of base to 2 here. 489 params.buckets[i].base = 2; 490 params.buckets[i].step_count = helper.getIntField(bucket, "step_count"); 491 492 int report_events = helper.getIntField(bucket, "report_events"); 493 params.buckets[i].report_events = report_events; 494 495 if (DBG) { 496 ALOGD("bucket[%d] = %d:%d:%d:%d:%d:%d:%d", i, params.buckets[i].bucket, 497 params.buckets[i].band, params.buckets[i].period, 498 params.buckets[i].max_period, params.buckets[i].base, 499 params.buckets[i].step_count, report_events); 500 } 501 502 params.buckets[i].num_channels = helper.getIntField(bucket, "num_channels"); 503 // ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 504 505 for (int j = 0; j < params.buckets[i].num_channels; j++) { 506 JNIObject<jobject> channel = helper.getObjectArrayField( 507 bucket, "channels", channel_array_type, j); 508 509 params.buckets[i].channels[j].channel = helper.getIntField(channel, "frequency"); 510 params.buckets[i].channels[j].dwellTimeMs = helper.getIntField(channel, "dwell_time_ms"); 511 512 bool passive = helper.getBoolField(channel, "passive"); 513 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 514 515 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 516 } 517 } 518 519 // ALOGD("Initialized all fields"); 520 521 wifi_scan_result_handler handler; 522 memset(&handler, 0, sizeof(handler)); 523 handler.on_full_scan_result = &onFullScanResult; 524 handler.on_scan_event = &onScanEvent; 525 526 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 527 } 528 529 static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 530 531 JNIHelper helper(env); 532 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 533 // ALOGD("stopping scan on interface[%d] = %p", iface, handle); 534 535 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 536 } 537 538 static int compare_scan_result_timestamp(const void *v1, const void *v2) { 539 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 540 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 541 return result1->ts - result2->ts; 542 } 543 544 static jobject android_net_wifi_getScanResults( 545 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 546 547 JNIHelper helper(env); 548 wifi_cached_scan_results scan_data[64]; 549 int num_scan_data = 64; 550 551 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 552 // ALOGD("getting scan results on interface[%d] = %p", iface, handle); 553 554 byte b = flush ? 0xFF : 0; 555 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 556 if (result == WIFI_SUCCESS) { 557 JNIObject<jobjectArray> scanData = helper.createObjectArray( 558 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 559 if (scanData == NULL) { 560 ALOGE("Error in allocating array of scanData for getScanResults, length=%d", 561 num_scan_data); 562 return NULL; 563 } 564 565 for (int i = 0; i < num_scan_data; i++) { 566 567 JNIObject<jobject> data = helper.createObject("android/net/wifi/WifiScanner$ScanData"); 568 if (data == NULL) { 569 ALOGE("Error in allocating scanData for getScanResults"); 570 return NULL; 571 } 572 573 helper.setIntField(data, "mId", scan_data[i].scan_id); 574 helper.setIntField(data, "mFlags", scan_data[i].flags); 575 helper.setIntField(data, "mBucketsScanned", scan_data[i].buckets_scanned); 576 577 /* sort all scan results by timestamp */ 578 qsort(scan_data[i].results, scan_data[i].num_results, 579 sizeof(wifi_scan_result), compare_scan_result_timestamp); 580 581 JNIObject<jobjectArray> scanResults = helper.createObjectArray( 582 "android/net/wifi/ScanResult", scan_data[i].num_results); 583 if (scanResults == NULL) { 584 ALOGE("Error in allocating scanResult array for getScanResults, length=%d", 585 scan_data[i].num_results); 586 return NULL; 587 } 588 589 wifi_scan_result *results = scan_data[i].results; 590 for (int j = 0; j < scan_data[i].num_results; j++) { 591 592 JNIObject<jobject> scanResult = createScanResult(helper, &results[j], false); 593 if (scanResult == NULL) { 594 ALOGE("Error in creating scan result for getScanResults"); 595 return NULL; 596 } 597 598 helper.setObjectArrayElement(scanResults, j, scanResult); 599 } 600 601 helper.setObjectField(data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 602 helper.setObjectArrayElement(scanData, i, data); 603 } 604 605 // ALOGD("retrieved %d scan data from interface[%d] = %p", num_scan_data, iface, handle); 606 return scanData.detach(); 607 } else { 608 return NULL; 609 } 610 } 611 612 613 static jboolean android_net_wifi_getScanCapabilities( 614 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 615 616 JNIHelper helper(env); 617 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 618 // ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 619 620 wifi_gscan_capabilities c; 621 memset(&c, 0, sizeof(c)); 622 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 623 if (result != WIFI_SUCCESS) { 624 ALOGD("failed to get capabilities : %d", result); 625 return JNI_FALSE; 626 } 627 628 helper.setIntField(capabilities, "max_scan_cache_size", c.max_scan_cache_size); 629 helper.setIntField(capabilities, "max_scan_buckets", c.max_scan_buckets); 630 helper.setIntField(capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 631 helper.setIntField(capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 632 helper.setIntField(capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 633 helper.setIntField(capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 634 helper.setIntField(capabilities, "max_significant_wifi_change_aps", 635 c.max_significant_wifi_change_aps); 636 helper.setIntField(capabilities, "max_bssid_history_entries", c.max_bssid_history_entries); 637 helper.setIntField(capabilities, "max_number_epno_networks", c.max_number_epno_networks); 638 helper.setIntField(capabilities, "max_number_epno_networks_by_ssid", 639 c.max_number_epno_networks_by_ssid); 640 helper.setIntField(capabilities, "max_number_of_white_listed_ssid", 641 c.max_number_of_white_listed_ssid); 642 643 return JNI_TRUE; 644 } 645 646 647 static byte parseHexChar(char ch) { 648 if (isdigit(ch)) 649 return ch - '0'; 650 else if ('A' <= ch && ch <= 'F') 651 return ch - 'A' + 10; 652 else if ('a' <= ch && ch <= 'f') 653 return ch - 'a' + 10; 654 else { 655 ALOGE("invalid character in bssid %c", ch); 656 return 0; 657 } 658 } 659 660 static byte parseHexByte(const char * &str) { 661 if (str[0] == '\0') { 662 ALOGE("Passed an empty string"); 663 return 0; 664 } 665 byte b = parseHexChar(str[0]); 666 if (str[1] == '\0' || str[1] == ':') { 667 str ++; 668 } else { 669 b = b << 4 | parseHexChar(str[1]); 670 str += 2; 671 } 672 673 // Skip trailing delimiter if not at the end of the string. 674 if (str[0] != '\0') { 675 str++; 676 } 677 return b; 678 } 679 680 static void parseMacAddress(const char *str, mac_addr addr) { 681 addr[0] = parseHexByte(str); 682 addr[1] = parseHexByte(str); 683 addr[2] = parseHexByte(str); 684 addr[3] = parseHexByte(str); 685 addr[4] = parseHexByte(str); 686 addr[5] = parseHexByte(str); 687 } 688 689 static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 690 JNIHelper helper(env); 691 JNIObject<jstring> macAddrString = helper.getStringField(obj, "bssid"); 692 if (macAddrString == NULL) { 693 ALOGE("Error getting bssid field"); 694 return false; 695 } 696 697 ScopedUtfChars chars(env, macAddrString); 698 const char *bssid = chars.c_str(); 699 if (bssid == NULL) { 700 ALOGE("Error getting bssid"); 701 return false; 702 } 703 704 parseMacAddress(bssid, addr); 705 return true; 706 } 707 708 static void onHotlistApFound(wifi_request_id id, 709 unsigned num_results, wifi_scan_result *results) { 710 711 JNIHelper helper(mVM); 712 ALOGD("onHotlistApFound called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 713 714 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 715 "android/net/wifi/ScanResult", NULL); 716 if (scanResults == NULL) { 717 ALOGE("Error in allocating ScanResult array in onHotlistApFound, length=%d", num_results); 718 return; 719 } 720 721 for (unsigned i = 0; i < num_results; i++) { 722 723 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 724 if (scanResult == NULL) { 725 ALOGE("Error in creating scan result in onHotlistApFound"); 726 return; 727 } 728 729 helper.setObjectArrayElement(scanResults, i, scanResult); 730 731 ALOGD("Found AP %32s", results[i].ssid); 732 } 733 734 helper.reportEvent(mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 735 id, scanResults.get()); 736 } 737 738 static void onHotlistApLost(wifi_request_id id, 739 unsigned num_results, wifi_scan_result *results) { 740 741 JNIHelper helper(mVM); 742 ALOGD("onHotlistApLost called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 743 744 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 745 "android/net/wifi/ScanResult", NULL); 746 if (scanResults == NULL) { 747 ALOGE("Error in allocating ScanResult array onHotlistApLost, length=%d", num_results); 748 return; 749 } 750 751 for (unsigned i = 0; i < num_results; i++) { 752 753 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 754 if (scanResult == NULL) { 755 ALOGE("Error in creating scan result in onHotlistApLost"); 756 return; 757 } 758 759 helper.setObjectArrayElement(scanResults, i, scanResult); 760 761 ALOGD("Lost AP %32s", results[i].ssid); 762 } 763 764 helper.reportEvent(mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 765 id, scanResults.get()); 766 } 767 768 769 static jboolean android_net_wifi_setHotlist( 770 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 771 772 JNIHelper helper(env); 773 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 774 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 775 776 wifi_bssid_hotlist_params params; 777 memset(¶ms, 0, sizeof(params)); 778 779 params.lost_ap_sample_size = helper.getIntField(ap, "apLostThreshold"); 780 781 JNIObject<jobjectArray> array = helper.getArrayField( 782 ap, "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 783 params.num_bssid = helper.getArrayLength(array); 784 785 if (params.num_bssid == 0) { 786 ALOGE("setHotlist array length was 0"); 787 return false; 788 } 789 790 if (params.num_bssid > 791 static_cast<int>(sizeof(params.ap) / sizeof(params.ap[0]))) { 792 ALOGE("setHotlist array length is too long"); 793 android_errorWriteLog(0x534e4554, "31856351"); 794 return false; 795 } 796 797 for (int i = 0; i < params.num_bssid; i++) { 798 JNIObject<jobject> objAp = helper.getObjectArrayElement(array, i); 799 800 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 801 if (macAddrString == NULL) { 802 ALOGE("Error getting bssid field"); 803 return false; 804 } 805 806 ScopedUtfChars chars(env, macAddrString); 807 const char *bssid = chars.c_str(); 808 if (bssid == NULL) { 809 ALOGE("Error getting bssid"); 810 return false; 811 } 812 parseMacAddress(bssid, params.ap[i].bssid); 813 814 mac_addr addr; 815 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 816 817 char bssidOut[32]; 818 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 819 addr[2], addr[3], addr[4], addr[5]); 820 821 ALOGD("Added bssid %s", bssidOut); 822 823 params.ap[i].low = helper.getIntField(objAp, "low"); 824 params.ap[i].high = helper.getIntField(objAp, "high"); 825 } 826 827 wifi_hotlist_ap_found_handler handler; 828 memset(&handler, 0, sizeof(handler)); 829 830 handler.on_hotlist_ap_found = &onHotlistApFound; 831 handler.on_hotlist_ap_lost = &onHotlistApLost; 832 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 833 } 834 835 static jboolean android_net_wifi_resetHotlist(JNIEnv *env, jclass cls, jint iface, jint id) { 836 837 JNIHelper helper(env); 838 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 839 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 840 841 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 842 } 843 844 void onSignificantWifiChange(wifi_request_id id, 845 unsigned num_results, wifi_significant_change_result **results) { 846 847 JNIHelper helper(mVM); 848 849 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p", mVM, mCls); 850 851 JNIObject<jobjectArray> scanResults = helper.newObjectArray( 852 num_results, "android/net/wifi/ScanResult", NULL); 853 if (scanResults == NULL) { 854 ALOGE("Error in allocating ScanResult array in onSignificantWifiChange, length=%d", 855 num_results); 856 return; 857 } 858 859 for (unsigned i = 0; i < num_results; i++) { 860 861 wifi_significant_change_result &result = *(results[i]); 862 863 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 864 if (scanResult == NULL) { 865 ALOGE("Error in creating scan result in onSignificantWifiChange"); 866 return; 867 } 868 869 // helper.setStringField(scanResult, "SSID", results[i].ssid); 870 871 char bssid[32]; 872 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 873 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 874 875 helper.setStringField(scanResult, "BSSID", bssid); 876 877 helper.setIntField(scanResult, "level", result.rssi[0]); 878 helper.setIntField(scanResult, "frequency", result.channel); 879 // helper.setLongField(scanResult, "timestamp", result.ts); 880 881 helper.setObjectArrayElement(scanResults, i, scanResult); 882 } 883 884 helper.reportEvent(mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 885 id, scanResults.get()); 886 887 } 888 889 static jboolean android_net_wifi_trackSignificantWifiChange( 890 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 891 892 JNIHelper helper(env); 893 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 894 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 895 896 wifi_significant_change_params params; 897 memset(¶ms, 0, sizeof(params)); 898 899 params.rssi_sample_size = helper.getIntField(settings, "rssiSampleSize"); 900 params.lost_ap_sample_size = helper.getIntField(settings, "lostApSampleSize"); 901 params.min_breaching = helper.getIntField(settings, "minApsBreachingThreshold"); 902 903 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 904 JNIObject<jobjectArray> bssids = helper.getArrayField( 905 settings, "bssidInfos", bssid_info_array_type); 906 params.num_bssid = helper.getArrayLength(bssids); 907 908 if (params.num_bssid == 0) { 909 ALOGE("BssidInfo array length was 0"); 910 return false; 911 } 912 913 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 914 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 915 916 for (int i = 0; i < params.num_bssid; i++) { 917 JNIObject<jobject> objAp = helper.getObjectArrayElement(bssids, i); 918 919 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 920 if (macAddrString == NULL) { 921 ALOGE("Error getting bssid field"); 922 return false; 923 } 924 925 ScopedUtfChars chars(env, macAddrString.get()); 926 const char *bssid = chars.c_str(); 927 if (bssid == NULL) { 928 ALOGE("Error getting bssid"); 929 return false; 930 } 931 932 mac_addr addr; 933 parseMacAddress(bssid, addr); 934 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 935 936 char bssidOut[32]; 937 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 938 addr[2], addr[3], addr[4], addr[5]); 939 940 params.ap[i].low = helper.getIntField(objAp, "low"); 941 params.ap[i].high = helper.getIntField(objAp, "high"); 942 943 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 944 } 945 946 ALOGD("Added %d bssids", params.num_bssid); 947 948 wifi_significant_change_handler handler; 949 memset(&handler, 0, sizeof(handler)); 950 951 handler.on_significant_change = &onSignificantWifiChange; 952 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 953 } 954 955 static jboolean android_net_wifi_untrackSignificantWifiChange( 956 JNIEnv *env, jclass cls, jint iface, jint id) { 957 958 JNIHelper helper(env); 959 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 960 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 961 962 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 963 } 964 965 wifi_iface_stat link_stat; 966 wifi_radio_stat radio_stat; // L release has support for only one radio 967 u32 *tx_time_per_level_arr = 0; 968 // Let's cache the supported feature set to avoid unnecessary HAL invocations. 969 feature_set cached_feature_set = 0; 970 971 bool isTxLevelStatsPresent(wifi_radio_stat *radio_stats) { 972 if (IS_SUPPORTED_FEATURE(WIFI_FEATURE_TX_TRANSMIT_POWER, cached_feature_set)) { 973 if(radio_stats->tx_time_per_levels != 0 && radio_stats->num_tx_levels > 0) { 974 return true; 975 } else { 976 ALOGE("Ignoring invalid tx_level info in radio_stats"); 977 } 978 } 979 return false; 980 } 981 982 void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 983 int num_radios, wifi_radio_stat *radio_stats) 984 { 985 if (iface_stat != 0) { 986 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 987 } else { 988 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 989 } 990 991 if (num_radios > 0 && radio_stats != 0) { 992 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 993 if (isTxLevelStatsPresent(radio_stats)) { 994 // This realloc should be a no-op after the first allocation because for a given 995 // device, the number of power levels should not change. 996 u32 arr_size = sizeof(u32) * radio_stats->num_tx_levels; 997 tx_time_per_level_arr = (u32 *)realloc(tx_time_per_level_arr, arr_size); 998 memcpy(tx_time_per_level_arr, radio_stats->tx_time_per_levels, arr_size); 999 radio_stat.tx_time_per_levels = tx_time_per_level_arr; 1000 } else { 1001 radio_stat.num_tx_levels = 0; 1002 radio_stat.tx_time_per_levels = 0; 1003 } 1004 } else { 1005 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1006 } 1007 } 1008 1009 static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 1010 JNIHelper helper(env); 1011 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1012 1013 wifi_link_layer_params params; 1014 params.aggressive_statistics_gathering = enable; 1015 params.mpdu_size_threshold = 128; 1016 1017 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 1018 1019 hal_fn.wifi_set_link_stats(handle, params); 1020 } 1021 1022 static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1023 1024 JNIHelper helper(env); 1025 wifi_stats_result_handler handler; 1026 memset(&handler, 0, sizeof(handler)); 1027 handler.on_link_stats_results = &onLinkStatsResults; 1028 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1029 int result; 1030 // Cache the features supported by the device to determine if tx level stats are present or not 1031 if (cached_feature_set == 0) { 1032 result = hal_fn.wifi_get_supported_feature_set(handle, &cached_feature_set); 1033 if (result != WIFI_SUCCESS) { 1034 cached_feature_set = 0; 1035 } 1036 } 1037 1038 result = hal_fn.wifi_get_link_stats(0, handle, handler); 1039 if (result < 0) { 1040 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1041 return NULL; 1042 } 1043 1044 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 1045 "android/net/wifi/WifiLinkLayerStats"); 1046 if (wifiLinkLayerStats == NULL) { 1047 ALOGE("Error in allocating wifiLinkLayerStats"); 1048 return NULL; 1049 } 1050 1051 JNIObject<jintArray> tx_time_per_level = helper.newIntArray(radio_stat.num_tx_levels); 1052 if (tx_time_per_level == NULL) { 1053 ALOGE("Error in allocating wifiLinkLayerStats"); 1054 return NULL; 1055 } 1056 1057 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1058 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1059 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1060 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1061 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1062 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1063 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1064 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1065 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1066 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1067 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1068 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1069 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1070 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1071 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1072 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1073 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1074 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1075 1076 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1077 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1078 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1079 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1080 if (radio_stat.tx_time_per_levels != 0) { 1081 helper.setIntArrayRegion(tx_time_per_level, 0, radio_stat.num_tx_levels, 1082 (jint *)radio_stat.tx_time_per_levels); 1083 } 1084 helper.setObjectField(wifiLinkLayerStats, "tx_time_per_level", "[I", tx_time_per_level); 1085 1086 1087 return wifiLinkLayerStats.detach(); 1088 } 1089 1090 static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1091 1092 JNIHelper helper(env); 1093 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1094 feature_set set = 0; 1095 1096 wifi_error result = WIFI_SUCCESS; 1097 /* 1098 set = WIFI_FEATURE_INFRA 1099 | WIFI_FEATURE_INFRA_5G 1100 | WIFI_FEATURE_HOTSPOT 1101 | WIFI_FEATURE_P2P 1102 | WIFI_FEATURE_SOFT_AP 1103 | WIFI_FEATURE_GSCAN 1104 | WIFI_FEATURE_PNO 1105 | WIFI_FEATURE_TDLS 1106 | WIFI_FEATURE_EPR; 1107 */ 1108 1109 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1110 if (result == WIFI_SUCCESS) { 1111 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1112 return set; 1113 } else { 1114 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1115 return 0; 1116 } 1117 } 1118 1119 static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1120 1121 JNIHelper helper(mVM); 1122 1123 if (DBG) ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1124 1125 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1126 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1127 if (rttResults == NULL) { 1128 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1129 return; 1130 } 1131 1132 for (unsigned i = 0; i < num_results; i++) { 1133 1134 wifi_rtt_result *result = results[i]; 1135 1136 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1137 if (rttResult == NULL) { 1138 ALOGE("Error in creating rtt result in onRttResults"); 1139 return; 1140 } 1141 1142 char bssid[32]; 1143 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1144 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1145 1146 helper.setStringField(rttResult, "bssid", bssid); 1147 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1148 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1149 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1150 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1151 helper.setIntField( rttResult, "status", result->status); 1152 helper.setIntField( rttResult, "measurementType", result->type); 1153 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1154 helper.setLongField(rttResult, "ts", result->ts); 1155 helper.setIntField( rttResult, "rssi", result->rssi); 1156 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1157 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1158 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1159 helper.setLongField(rttResult, "rtt", result->rtt); 1160 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1161 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1162 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1163 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1164 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1165 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1166 1167 JNIObject<jobject> LCI = helper.createObject( 1168 "android/net/wifi/RttManager$WifiInformationElement"); 1169 if (result->LCI != NULL && result->LCI->len > 0) { 1170 helper.setByteField(LCI, "id", result->LCI->id); 1171 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1172 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1173 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1174 helper.setObjectField(LCI, "data", "[B", elements); 1175 } else { 1176 helper.setByteField(LCI, "id", (byte)(0xff)); 1177 } 1178 helper.setObjectField(rttResult, "LCI", 1179 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1180 1181 JNIObject<jobject> LCR = helper.createObject( 1182 "android/net/wifi/RttManager$WifiInformationElement"); 1183 if (result->LCR != NULL && result->LCR->len > 0) { 1184 helper.setByteField(LCR, "id", result->LCR->id); 1185 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1186 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1187 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1188 helper.setObjectField(LCR, "data", "[B", elements); 1189 } else { 1190 helper.setByteField(LCR, "id", (byte)(0xff)); 1191 } 1192 helper.setObjectField(rttResult, "LCR", 1193 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1194 1195 helper.setObjectArrayElement(rttResults, i, rttResult); 1196 } 1197 1198 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1199 id, rttResults.get()); 1200 } 1201 1202 const int MaxRttConfigs = 16; 1203 1204 static jboolean android_net_wifi_requestRange( 1205 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1206 1207 JNIHelper helper(env); 1208 1209 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1210 if (DBG) ALOGD("sending rtt request [%d] = %p", id, handle); 1211 if (params == NULL) { 1212 ALOGE("ranging params are empty"); 1213 return false; 1214 } 1215 1216 wifi_rtt_config configs[MaxRttConfigs]; 1217 memset(&configs, 0, sizeof(configs)); 1218 1219 int len = helper.getArrayLength((jobjectArray)params); 1220 if (len > MaxRttConfigs) { 1221 return false; 1222 } 1223 1224 for (int i = 0; i < len; i++) { 1225 1226 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1227 if (param == NULL) { 1228 ALOGW("could not get element %d", i); 1229 continue; 1230 } 1231 1232 wifi_rtt_config &config = configs[i]; 1233 1234 parseMacAddress(env, param, config.addr); 1235 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1236 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1237 config.channel.center_freq = helper.getIntField(param, "frequency"); 1238 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1239 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1240 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1241 1242 config.num_burst = helper.getIntField(param, "numberBurst"); 1243 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1244 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1245 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1246 "numRetriesPerMeasurementFrame"); 1247 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1248 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1249 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1250 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1251 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1252 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1253 } 1254 1255 wifi_rtt_event_handler handler; 1256 handler.on_rtt_results = &onRttResults; 1257 1258 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1259 } 1260 1261 static jboolean android_net_wifi_cancelRange( 1262 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1263 1264 JNIHelper helper(env); 1265 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1266 if (DBG) ALOGD("cancelling rtt request [%d] = %p", id, handle); 1267 1268 if (params == NULL) { 1269 ALOGE("ranging params are empty"); 1270 return false; 1271 } 1272 1273 mac_addr addrs[MaxRttConfigs]; 1274 memset(&addrs, 0, sizeof(addrs)); 1275 1276 int len = helper.getArrayLength((jobjectArray)params); 1277 if (len > MaxRttConfigs) { 1278 return false; 1279 } 1280 1281 for (int i = 0; i < len; i++) { 1282 1283 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1284 if (param == NULL) { 1285 ALOGW("could not get element %d", i); 1286 continue; 1287 } 1288 1289 parseMacAddress(env, param, addrs[i]); 1290 } 1291 1292 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1293 } 1294 1295 static jobject android_net_wifi_enableResponder( 1296 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1297 JNIHelper helper(env); 1298 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1299 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1300 wifi_channel_info channel; 1301 // Get channel information from HAL if it's not provided by caller. 1302 if (channel_hint == NULL) { 1303 wifi_rtt_responder responder_info_hint; 1304 bool status = hal_fn.wifi_rtt_get_responder_info(handle, &responder_info_hint); 1305 if (status != WIFI_SUCCESS) { 1306 ALOGE("could not get available channel for responder"); 1307 return NULL; 1308 } 1309 channel = responder_info_hint.channel; 1310 } else { 1311 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1312 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1313 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1314 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1315 } 1316 1317 if (DBG) { 1318 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1319 channel.width, channel.center_freq, channel.center_freq0); 1320 } 1321 1322 wifi_rtt_responder responder_info_used; 1323 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1324 &responder_info_used); 1325 if (status != WIFI_SUCCESS) { 1326 ALOGE("enabling responder mode failed"); 1327 return NULL; 1328 } 1329 wifi_channel_info channel_used = responder_info_used.channel; 1330 if (DBG) { 1331 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1332 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1333 } 1334 JNIObject<jobject> responderConfig = 1335 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1336 if (responderConfig == NULL) return NULL; 1337 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1338 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1339 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1340 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1341 helper.setIntField(responderConfig, "preamble", responder_info_used.preamble); 1342 return responderConfig.detach(); 1343 } 1344 1345 static jboolean android_net_wifi_disableResponder( 1346 JNIEnv *env, jclass cls, jint iface, jint id) { 1347 JNIHelper helper(env); 1348 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1349 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1350 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1351 } 1352 1353 1354 static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1355 jint iface, jbyteArray param) { 1356 1357 JNIHelper helper(env); 1358 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1359 ALOGD("setting scan oui %p", handle); 1360 1361 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1362 int len = helper.getArrayLength(param); 1363 if (len != oui_len) { 1364 ALOGE("invalid oui length %d", len); 1365 return false; 1366 } 1367 1368 ScopedBytesRW paramBytes(env, param); 1369 jbyte* bytes = paramBytes.get(); 1370 if (bytes == NULL) { 1371 ALOGE("failed to get setScanningMacOui param array"); 1372 return false; 1373 } 1374 1375 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1376 } 1377 1378 static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1379 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1380 } 1381 1382 static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1383 jint iface, jint band) { 1384 1385 JNIHelper helper(env); 1386 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1387 ALOGV("getting valid channels %p", handle); 1388 1389 static const int MaxChannels = 64; 1390 wifi_channel channels[64]; 1391 int num_channels = 0; 1392 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1393 channels, &num_channels); 1394 1395 if (result == WIFI_SUCCESS) { 1396 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1397 if (channelArray == NULL) { 1398 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1399 return NULL; 1400 } 1401 1402 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1403 return channelArray.detach(); 1404 } else { 1405 ALOGE("failed to get channel list : %d", result); 1406 return NULL; 1407 } 1408 } 1409 1410 static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1411 1412 JNIHelper helper(env); 1413 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1414 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1415 1416 u32 nodfs = dfs ? 0 : 1; 1417 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1418 return result == WIFI_SUCCESS; 1419 } 1420 1421 static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1422 1423 JNIHelper helper(env); 1424 wifi_rtt_capabilities rtt_capabilities; 1425 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1426 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1427 1428 if(WIFI_SUCCESS == ret) { 1429 JNIObject<jobject> capabilities = helper.createObject( 1430 "android/net/wifi/RttManager$RttCapabilities"); 1431 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1432 rtt_capabilities.rtt_one_sided_supported == 1); 1433 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1434 rtt_capabilities.rtt_ftm_supported == 1); 1435 helper.setBooleanField(capabilities, "lciSupported", 1436 rtt_capabilities.lci_support); 1437 helper.setBooleanField(capabilities, "lcrSupported", 1438 rtt_capabilities.lcr_support); 1439 helper.setIntField(capabilities, "preambleSupported", 1440 rtt_capabilities.preamble_support); 1441 helper.setIntField(capabilities, "bwSupported", 1442 rtt_capabilities.bw_support); 1443 helper.setBooleanField(capabilities, "responderSupported", 1444 rtt_capabilities.responder_supported == 1); 1445 if (DBG) { 1446 ALOGD("One side RTT is %s", rtt_capabilities.rtt_one_sided_supported == 1 ? 1447 "supported" : "not supported"); 1448 ALOGD("Two side RTT is %s", rtt_capabilities.rtt_ftm_supported == 1 ? 1449 "supported" : "not supported"); 1450 ALOGD("LCR is %s", rtt_capabilities.lcr_support == 1 ? "supported" : "not supported"); 1451 ALOGD("LCI is %s", rtt_capabilities.lci_support == 1 ? "supported" : "not supported"); 1452 ALOGD("Supported preamble is %d", rtt_capabilities.preamble_support); 1453 ALOGD("Supported bandwidth is %d", rtt_capabilities.bw_support); 1454 ALOGD("Sta responder is %s", 1455 rtt_capabilities.responder_supported == 1 ? "supported" : "not supported"); 1456 } 1457 return capabilities.detach(); 1458 } else { 1459 return NULL; 1460 } 1461 } 1462 1463 static jobject android_net_wifi_get_apf_capabilities(JNIEnv *env, jclass cls, 1464 jint iface) { 1465 1466 JNIHelper helper(env); 1467 u32 version = 0, max_len = 0; 1468 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1469 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1470 1471 if (WIFI_SUCCESS == ret) { 1472 // Cannot just use createObject() because members are final and initializer values must be 1473 // passed via ApfCapabilities(). 1474 JNIObject<jclass> apf_cls(helper, env->FindClass("android/net/apf/ApfCapabilities")); 1475 if (apf_cls == NULL) { 1476 ALOGE("Error in finding class android/net/apf/ApfCapabilities"); 1477 return NULL; 1478 } 1479 jmethodID constructor = env->GetMethodID(apf_cls, "<init>", "(III)V"); 1480 if (constructor == 0) { 1481 ALOGE("Error in constructor ID for android/net/apf/ApfCapabilities"); 1482 return NULL; 1483 } 1484 JNIObject<jobject> capabilities(helper, env->NewObject(apf_cls, constructor, version, 1485 max_len, ARPHRD_ETHER)); 1486 if (capabilities == NULL) { 1487 ALOGE("Could not create new object of android/net/apf/ApfCapabilities"); 1488 return NULL; 1489 } 1490 ALOGD("APF version supported: %d", version); 1491 ALOGD("Maximum APF program size: %d", max_len); 1492 return capabilities.detach(); 1493 } else { 1494 return NULL; 1495 } 1496 } 1497 1498 static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1499 jbyteArray jfilter) { 1500 1501 JNIHelper helper(env); 1502 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1503 const u32 filter_len = env->GetArrayLength(jfilter); 1504 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1505 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1506 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1507 return WIFI_SUCCESS == ret; 1508 } 1509 1510 static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1511 jstring country_code) { 1512 1513 JNIHelper helper(env); 1514 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1515 1516 ScopedUtfChars chars(env, country_code); 1517 const char *country = chars.c_str(); 1518 1519 ALOGD("set country code: %s", country); 1520 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1521 return res == WIFI_SUCCESS; 1522 } 1523 1524 static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1525 jboolean enable, jstring addr) { 1526 1527 JNIHelper helper(env); 1528 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1529 1530 mac_addr address; 1531 parseMacAddress(env, addr, address); 1532 wifi_tdls_handler tdls_handler; 1533 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1534 1535 if(enable) { 1536 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1537 } else { 1538 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1539 } 1540 } 1541 1542 static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1543 1544 JNIHelper helper(mVM); 1545 1546 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1547 1548 char mac[32]; 1549 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1550 addr[5]); 1551 1552 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1553 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1554 mac_address.get(), status.state, status.reason); 1555 1556 } 1557 1558 static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1559 1560 JNIHelper helper(env); 1561 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1562 1563 mac_addr address; 1564 parseMacAddress(env, addr, address); 1565 1566 wifi_tdls_status status; 1567 1568 wifi_error ret; 1569 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1570 1571 if (ret != WIFI_SUCCESS) { 1572 return NULL; 1573 } else { 1574 JNIObject<jobject> tdls_status = helper.createObject( 1575 "com/android/server/wifi/WifiNative$TdlsStatus"); 1576 helper.setIntField(tdls_status, "channel", status.channel); 1577 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1578 helper.setIntField(tdls_status, "state", status.state); 1579 helper.setIntField(tdls_status, "reason", status.reason); 1580 return tdls_status.detach(); 1581 } 1582 } 1583 1584 static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1585 1586 JNIHelper helper(env); 1587 wifi_tdls_capabilities tdls_capabilities; 1588 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1589 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1590 1591 if (WIFI_SUCCESS == ret) { 1592 JNIObject<jobject> capabilities = helper.createObject( 1593 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1594 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1595 tdls_capabilities.max_concurrent_tdls_session_num); 1596 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1597 tdls_capabilities.is_global_tdls_supported == 1); 1598 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1599 tdls_capabilities.is_per_mac_tdls_supported == 1); 1600 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1601 tdls_capabilities.is_off_channel_tdls_supported); 1602 1603 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1604 tdls_capabilities.max_concurrent_tdls_session_num); 1605 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1606 "not support"); 1607 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1608 "not support"); 1609 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1610 "support" : "not support"); 1611 1612 return capabilities.detach(); 1613 } else { 1614 return NULL; 1615 } 1616 } 1617 1618 // ---------------------------------------------------------------------------- 1619 // Debug framework 1620 // ---------------------------------------------------------------------------- 1621 static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1622 //Not implemented yet 1623 return -1; 1624 } 1625 1626 static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1627 //Need to be fixed. The memory should be allocated from lower layer 1628 //char *buffer = NULL; 1629 JNIHelper helper(env); 1630 int buffer_length = 256; 1631 char *buffer = (char *)malloc(buffer_length); 1632 if (!buffer) return NULL; 1633 memset(buffer, 0, buffer_length); 1634 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1635 1636 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1637 1638 if (handle == 0) { 1639 free(buffer); 1640 return NULL; 1641 } 1642 1643 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1644 1645 if (result == WIFI_SUCCESS) { 1646 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1647 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1648 free(buffer); 1649 return driver_version.detach(); 1650 } else { 1651 ALOGE("Fail to get driver version"); 1652 free(buffer); 1653 return NULL; 1654 } 1655 } 1656 1657 static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1658 1659 //char *buffer = NULL; 1660 JNIHelper helper(env); 1661 int buffer_length = 256; 1662 char *buffer = (char *)malloc(buffer_length); 1663 if (!buffer) return NULL; 1664 memset(buffer, 0, buffer_length); 1665 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1666 1667 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1668 1669 if (handle == 0) { 1670 free(buffer); 1671 return NULL; 1672 } 1673 1674 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1675 1676 if (result == WIFI_SUCCESS) { 1677 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1678 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1679 free(buffer); 1680 return firmware_version.detach(); 1681 } else { 1682 ALOGE("Fail to get Firmware version"); 1683 free(buffer); 1684 return NULL; 1685 } 1686 } 1687 1688 static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1689 1690 JNIHelper helper(env); 1691 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1692 1693 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1694 1695 if (handle == 0) { 1696 return NULL; 1697 } 1698 1699 //wifi_ring_buffer_status *status = NULL; 1700 u32 num_rings = 10; 1701 wifi_ring_buffer_status *status = 1702 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1703 if (!status) return NULL; 1704 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1705 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1706 if (result == WIFI_SUCCESS) { 1707 ALOGD("status is %p, number is %d", status, num_rings); 1708 1709 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1710 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1711 1712 wifi_ring_buffer_status *tmp = status; 1713 1714 for(u32 i = 0; i < num_rings; i++, tmp++) { 1715 1716 JNIObject<jobject> ringStatus = helper.createObject( 1717 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1718 1719 if (ringStatus == NULL) { 1720 ALOGE("Error in creating ringBufferStatus"); 1721 free(status); 1722 return NULL; 1723 } 1724 1725 char name[32]; 1726 for(int j = 0; j < 32; j++) { 1727 name[j] = tmp->name[j]; 1728 } 1729 1730 helper.setStringField(ringStatus, "name", name); 1731 helper.setIntField(ringStatus, "flag", tmp->flags); 1732 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1733 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1734 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1735 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1736 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1737 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1738 1739 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1740 } 1741 1742 free(status); 1743 return ringBuffersStatus.detach(); 1744 } else { 1745 free(status); 1746 return NULL; 1747 } 1748 } 1749 1750 static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1751 wifi_ring_buffer_status *status) { 1752 1753 if (!ring_name || !buffer || !status || 1754 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1755 ALOGE("Error input for on_ring_buffer_data!"); 1756 return; 1757 } 1758 1759 1760 JNIHelper helper(mVM); 1761 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1762 mCls, env, buffer_size); */ 1763 1764 JNIObject<jobject> ringStatus = helper.createObject( 1765 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1766 if (status == NULL) { 1767 ALOGE("Error in creating ringBufferStatus"); 1768 return; 1769 } 1770 1771 helper.setStringField(ringStatus, "name", ring_name); 1772 helper.setIntField(ringStatus, "flag", status->flags); 1773 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1774 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1775 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1776 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1777 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1778 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1779 1780 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1781 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1782 1783 helper.reportEvent(mCls,"onRingBufferData", 1784 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1785 ringStatus.get(), bytes.get()); 1786 } 1787 1788 static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1789 1790 JNIHelper helper(mVM); 1791 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1792 , mVM, mCls, buffer_size, err_code); 1793 1794 if (buffer_size > 0) { 1795 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1796 jbyte *bytes = (jbyte *) buffer; 1797 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1798 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1799 } else { 1800 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1801 } 1802 } 1803 1804 1805 static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1806 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1807 1808 JNIHelper helper(env); 1809 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1810 1811 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1812 1813 if (handle == 0) { 1814 return false; 1815 } 1816 1817 ScopedUtfChars chars(env, ring_name); 1818 const char* ring_name_const_char = chars.c_str(); 1819 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1820 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1821 1822 if (ret != WIFI_SUCCESS) { 1823 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1824 } else { 1825 ALOGD("start logging for ring %s", ring_name_const_char); 1826 } 1827 1828 return ret == WIFI_SUCCESS; 1829 } 1830 1831 static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1832 jstring ring_name) { 1833 1834 JNIHelper helper(env); 1835 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1836 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1837 1838 ScopedUtfChars chars(env, ring_name); 1839 const char* ring_name_const_char = chars.c_str(); 1840 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1841 return result == WIFI_SUCCESS; 1842 } 1843 1844 1845 static void on_firmware_memory_dump(char *buffer, int buffer_size) { 1846 1847 JNIHelper helper(mVM); 1848 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1849 , mVM, mCls, env, buffer_size); */ 1850 1851 if (buffer_size > 0) { 1852 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1853 jbyte *bytes = (jbyte *) (buffer); 1854 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1855 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1856 } 1857 } 1858 1859 static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1860 1861 JNIHelper helper(env); 1862 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1863 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1864 1865 if (handle == NULL) { 1866 ALOGE("Can not get wifi_interface_handle"); 1867 return false; 1868 } 1869 1870 wifi_firmware_memory_dump_handler fw_dump_handle; 1871 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1872 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1873 return result == WIFI_SUCCESS; 1874 1875 } 1876 1877 std::vector<jbyte>* driver_state_dump_buffer_for_callback = nullptr; 1878 1879 static void on_driver_state_dump(char *buffer, int buffer_size); 1880 static wifi_driver_memory_dump_callbacks driver_state_dump_callbacks = { 1881 on_driver_state_dump 1882 }; 1883 1884 static void on_driver_state_dump(char *buffer, int buffer_size) { 1885 1886 if (!driver_state_dump_buffer_for_callback) { 1887 ALOGE("Unexpected call from HAL implementation, into %s", __func__); 1888 return; 1889 } 1890 1891 if (buffer_size > 0) { 1892 driver_state_dump_buffer_for_callback->insert( 1893 driver_state_dump_buffer_for_callback->end(), buffer, buffer + buffer_size); 1894 } 1895 } 1896 1897 // TODO(quiche): Add unit tests. b/28072392 1898 static jbyteArray android_net_wifi_get_driver_state_dump(JNIEnv *env, jclass cls, jint iface){ 1899 1900 JNIHelper helper(env); 1901 wifi_interface_handle interface_handle = getIfaceHandle(helper, cls, iface); 1902 1903 if (!interface_handle) { 1904 return nullptr; 1905 } 1906 1907 int result; 1908 std::vector<jbyte> state_dump_buffer_local; 1909 driver_state_dump_buffer_for_callback = &state_dump_buffer_local; 1910 result = hal_fn.wifi_get_driver_memory_dump(interface_handle, driver_state_dump_callbacks); 1911 driver_state_dump_buffer_for_callback = nullptr; 1912 1913 if (result != WIFI_SUCCESS) { 1914 ALOGW("HAL's wifi_get_driver_memory_dump returned %d", result); 1915 return nullptr; 1916 } 1917 1918 if (state_dump_buffer_local.empty()) { 1919 ALOGW("HAL's wifi_get_driver_memory_dump provided zero bytes"); 1920 return nullptr; 1921 } 1922 1923 const size_t dump_size = state_dump_buffer_local.size(); 1924 JNIObject<jbyteArray> driver_dump_java = helper.newByteArray(dump_size); 1925 if (!driver_dump_java) { 1926 ALOGW("Failed to allocate Java buffer for driver state dump"); 1927 return nullptr; 1928 } 1929 1930 helper.setByteArrayRegion(driver_dump_java, 0, dump_size, state_dump_buffer_local.data()); 1931 return driver_dump_java.detach(); 1932 } 1933 1934 static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1935 1936 JNIHelper helper(env); 1937 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1938 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1939 1940 //initialize the handler on first time 1941 wifi_ring_buffer_data_handler handler; 1942 handler.on_ring_buffer_data = &on_ring_buffer_data; 1943 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1944 if (result != WIFI_SUCCESS) { 1945 ALOGE("Fail to set logging handler"); 1946 return false; 1947 } 1948 1949 //set alter handler This will start alert too 1950 wifi_alert_handler alert_handler; 1951 alert_handler.on_alert = &on_alert_data; 1952 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1953 if (result != WIFI_SUCCESS) { 1954 ALOGE(" Fail to set alert handler"); 1955 return false; 1956 } 1957 1958 return true; 1959 } 1960 1961 static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1962 1963 JNIHelper helper(env); 1964 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1965 1966 //reset alter handler 1967 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1968 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1969 if (result != WIFI_SUCCESS) { 1970 ALOGE(" Fail to reset alert handler"); 1971 return false; 1972 } 1973 1974 //reset log handler 1975 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1976 result = hal_fn.wifi_reset_log_handler(id, handle); 1977 if (result != WIFI_SUCCESS) { 1978 ALOGE("Fail to reset logging handler"); 1979 return false; 1980 } 1981 1982 return true; 1983 } 1984 1985 static jint android_net_wifi_start_pkt_fate_monitoring(JNIEnv *env, jclass cls, jint iface) { 1986 1987 JNIHelper helper(env); 1988 return hal_fn.wifi_start_pkt_fate_monitoring( 1989 getIfaceHandle(helper, cls, iface)); 1990 } 1991 1992 // Helper for make_default_fate(). 1993 template<typename T> void set_to_max(T* value) { 1994 if (!value) { 1995 return; 1996 } 1997 *value = std::numeric_limits<T>::max(); 1998 } 1999 2000 // make_default_fate() has two purposes: 2001 // 1) Minimize the chances of data leakage. In case the HAL gives us an overlong long |frame_len|, 2002 // for example, we want to return zeros, rather than other data from this process. 2003 // 2) Make it obvious when the HAL doesn't set a field. We accomplish this by setting fields 2004 // to "impossible" values, where possible. 2005 // Normally, such work would be done in a ctor. However, doing so would make the HAL API 2006 // incompatible with C. So we use a free-standing function instead. 2007 // 2008 // TODO(quiche): Add unit test for this function. b/27726696 2009 template<typename FateReportT> FateReportT make_default_fate() { 2010 2011 FateReportT fate_report; 2012 set_to_max(&fate_report.fate); 2013 std::fill(std::begin(fate_report.md5_prefix), std::end(fate_report.md5_prefix), 0); 2014 set_to_max(&fate_report.frame_inf.payload_type); 2015 fate_report.frame_inf.frame_len = 0; 2016 fate_report.frame_inf.driver_timestamp_usec = 0; 2017 fate_report.frame_inf.firmware_timestamp_usec = 0; 2018 std::fill(std::begin(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 2019 std::end(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 0); 2020 return fate_report; 2021 } 2022 2023 // TODO(quiche): Add unit test for this function. b/27726696 2024 template<typename FateReportT, typename HalFateFetcherT> wifi_error get_pkt_fates( 2025 HalFateFetcherT fate_fetcher_func, const char *java_fate_type, 2026 JNIEnv *env, jclass cls, jint iface, jobjectArray reports) { 2027 2028 JNIHelper helper(env); 2029 const size_t n_reports_wanted = 2030 std::min(helper.getArrayLength(reports), MAX_FATE_LOG_LEN); 2031 2032 std::vector<FateReportT> report_bufs(n_reports_wanted, make_default_fate<FateReportT>()); 2033 size_t n_reports_provided = 0; 2034 wifi_error result = fate_fetcher_func( 2035 getIfaceHandle(helper, cls, iface), 2036 report_bufs.data(), 2037 n_reports_wanted, 2038 &n_reports_provided); 2039 if (result != WIFI_SUCCESS) { 2040 return result; 2041 } 2042 2043 if (n_reports_provided > n_reports_wanted) { 2044 LOG_ALWAYS_FATAL( 2045 "HAL data exceeds request; memory may be corrupt (provided: %zu, requested: %zu)", 2046 n_reports_provided, n_reports_wanted); 2047 } 2048 2049 for (size_t i = 0; i < n_reports_provided; ++i) { 2050 const FateReportT& report(report_bufs[i]); 2051 2052 const char *frame_bytes_native = nullptr; 2053 size_t max_frame_len; 2054 switch (report.frame_inf.payload_type) { 2055 case FRAME_TYPE_UNKNOWN: 2056 case FRAME_TYPE_ETHERNET_II: 2057 max_frame_len = MAX_FRAME_LEN_ETHERNET; 2058 frame_bytes_native = report.frame_inf.frame_content.ethernet_ii_bytes; 2059 break; 2060 case FRAME_TYPE_80211_MGMT: 2061 max_frame_len = MAX_FRAME_LEN_80211_MGMT; 2062 frame_bytes_native = report.frame_inf.frame_content.ieee_80211_mgmt_bytes; 2063 break; 2064 default: 2065 max_frame_len = 0; 2066 frame_bytes_native = 0; 2067 } 2068 2069 size_t copy_len = report.frame_inf.frame_len; 2070 if (copy_len > max_frame_len) { 2071 ALOGW("Overly long frame (len: %zu, max: %zu)", copy_len, max_frame_len); 2072 copy_len = max_frame_len; 2073 } 2074 2075 JNIObject<jbyteArray> frame_bytes_java = helper.newByteArray(copy_len); 2076 if (frame_bytes_java.isNull()) { 2077 ALOGE("Failed to allocate frame data buffer"); 2078 return WIFI_ERROR_OUT_OF_MEMORY; 2079 } 2080 helper.setByteArrayRegion(frame_bytes_java, 0, copy_len, 2081 reinterpret_cast<const jbyte *>(frame_bytes_native)); 2082 2083 JNIObject<jobject> fate_report = helper.createObjectWithArgs( 2084 java_fate_type, 2085 "(BJB[B)V", // byte, long, byte, byte array 2086 static_cast<jbyte>(report.fate), 2087 static_cast<jlong>(report.frame_inf.driver_timestamp_usec), 2088 static_cast<jbyte>(report.frame_inf.payload_type), 2089 frame_bytes_java.get()); 2090 if (fate_report.isNull()) { 2091 ALOGE("Failed to create %s", java_fate_type); 2092 return WIFI_ERROR_OUT_OF_MEMORY; 2093 } 2094 helper.setObjectArrayElement(reports, i, fate_report); 2095 } 2096 2097 return result; 2098 } 2099 2100 static jint android_net_wifi_get_tx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2101 jobjectArray reports) { 2102 2103 return get_pkt_fates<wifi_tx_report>( 2104 hal_fn.wifi_get_tx_pkt_fates, "com/android/server/wifi/WifiNative$TxFateReport", 2105 env, cls, iface, reports); 2106 } 2107 2108 static jint android_net_wifi_get_rx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2109 jobjectArray reports) { 2110 2111 return get_pkt_fates<wifi_rx_report>( 2112 hal_fn.wifi_get_rx_pkt_fates, "com/android/server/wifi/WifiNative$RxFateReport", 2113 env, cls, iface, reports); 2114 } 2115 2116 // ---------------------------------------------------------------------------- 2117 // ePno framework 2118 // ---------------------------------------------------------------------------- 2119 2120 2121 static void onPnoNetworkFound(wifi_request_id id, 2122 unsigned num_results, wifi_scan_result *results) { 2123 JNIHelper helper(mVM); 2124 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 2125 2126 if (results == NULL || num_results == 0) { 2127 ALOGE("onPnoNetworkFound: Error no results"); 2128 return; 2129 } 2130 2131 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 2132 "android/net/wifi/ScanResult", NULL); 2133 if (scanResults == NULL) { 2134 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 2135 return; 2136 } 2137 2138 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 2139 if (beaconCaps == NULL) { 2140 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 2141 return; 2142 } 2143 2144 for (unsigned i=0; i<num_results; i++) { 2145 2146 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 2147 if (scanResult == NULL) { 2148 ALOGE("Error in creating scan result"); 2149 return; 2150 } 2151 2152 helper.setObjectArrayElement(scanResults, i, scanResult); 2153 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 2154 2155 if (DBG) { 2156 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 2157 results->ie_length, i, results[i].ssid, results[i].rssi, 2158 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 2159 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 2160 } 2161 } 2162 2163 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 2164 scanResults.get(), beaconCaps.get()); 2165 } 2166 2167 static jboolean android_net_wifi_setPnoListNative( 2168 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 2169 2170 JNIHelper helper(env); 2171 wifi_epno_handler handler; 2172 handler.on_network_found = &onPnoNetworkFound; 2173 2174 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2175 ALOGD("configure ePno list request [%d] = %p", id, handle); 2176 2177 if (settings == NULL) { 2178 return false; 2179 } 2180 2181 JNIObject<jobjectArray> list = helper.getArrayField(settings, "networkList", 2182 "[Lcom/android/server/wifi/WifiNative$PnoNetwork;"); 2183 if (list == NULL) { 2184 return false; 2185 } 2186 2187 size_t len = helper.getArrayLength(list); 2188 if (len > (size_t)MAX_EPNO_NETWORKS) { 2189 return false; 2190 } 2191 2192 wifi_epno_params params; 2193 memset(¶ms, 0, sizeof(params)); 2194 2195 for (unsigned int i = 0; i < len; i++) { 2196 2197 JNIObject<jobject> pno_net = helper.getObjectArrayElement(list, i); 2198 if (pno_net == NULL) { 2199 ALOGE("setPnoListNative: could not get element %d", i); 2200 continue; 2201 } 2202 2203 JNIObject<jstring> sssid = helper.getStringField(pno_net, "ssid"); 2204 if (sssid == NULL) { 2205 ALOGE("Error setPnoListNative: getting ssid field"); 2206 return false; 2207 } 2208 2209 ScopedUtfChars chars(env, (jstring)sssid.get()); 2210 const char *ssid = chars.c_str(); 2211 if (ssid == NULL) { 2212 ALOGE("Error setPnoListNative: getting ssid"); 2213 return false; 2214 } 2215 int ssid_len = strnlen((const char*)ssid, 33); 2216 if (ssid_len > 32) { 2217 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 2218 return false; 2219 } 2220 2221 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 2222 { 2223 // strip leading and trailing '"' 2224 ssid++; 2225 ssid_len-=2; 2226 } 2227 if (ssid_len == 0) { 2228 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 2229 continue; 2230 } 2231 memcpy(params.networks[i].ssid, ssid, ssid_len); 2232 2233 params.networks[i].auth_bit_field = helper.getByteField(pno_net, "auth_bit_field"); 2234 params.networks[i].flags = helper.getByteField(pno_net, "flags"); 2235 ALOGD(" setPnoListNative: idx %u auth %x flags %x [%s]", i, 2236 params.networks[i].auth_bit_field, params.networks[i].flags, 2237 params.networks[i].ssid); 2238 } 2239 params.min5GHz_rssi = helper.getIntField(settings, "min5GHzRssi"); 2240 params.min24GHz_rssi = helper.getIntField(settings, "min24GHzRssi"); 2241 params.initial_score_max = helper.getIntField(settings, "initialScoreMax"); 2242 params.current_connection_bonus = helper.getIntField(settings, "currentConnectionBonus"); 2243 params.same_network_bonus = helper.getIntField(settings, "sameNetworkBonus"); 2244 params.secure_bonus = helper.getIntField(settings, "secureBonus"); 2245 params.band5GHz_bonus = helper.getIntField(settings, "band5GHzBonus"); 2246 params.num_networks = len; 2247 2248 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 2249 ALOGD(" setPnoListNative: result %d", result); 2250 2251 return result >= 0; 2252 } 2253 2254 static jboolean android_net_wifi_resetPnoListNative( 2255 JNIEnv *env, jclass cls, jint iface, jint id) { 2256 2257 JNIHelper helper(env); 2258 2259 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2260 ALOGD("reset ePno list request [%d] = %p", id, handle); 2261 2262 // stop pno 2263 int result = hal_fn.wifi_reset_epno_list(id, handle); 2264 ALOGD(" ressetPnoListNative: result = %d", result); 2265 return result >= 0; 2266 } 2267 2268 static jboolean android_net_wifi_setBssidBlacklist( 2269 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 2270 2271 JNIHelper helper(env); 2272 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2273 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 2274 2275 wifi_bssid_params params; 2276 memset(¶ms, 0, sizeof(params)); 2277 2278 if (list != NULL) { 2279 size_t len = helper.getArrayLength((jobjectArray)list); 2280 if (len > (size_t)MAX_BLACKLIST_BSSID) { 2281 return false; 2282 } 2283 for (unsigned int i = 0; i < len; i++) { 2284 2285 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 2286 if (jbssid == NULL) { 2287 ALOGE("configure BSSID blacklist: could not get element %d", i); 2288 continue; 2289 } 2290 2291 ScopedUtfChars chars(env, (jstring)jbssid.get()); 2292 const char *bssid = chars.c_str(); 2293 if (bssid == NULL) { 2294 ALOGE("Error getting bssid"); 2295 return false; 2296 } 2297 2298 mac_addr addr; 2299 parseMacAddress(bssid, addr); 2300 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2301 2302 char bssidOut[32]; 2303 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 2304 addr[2], addr[3], addr[4], addr[5]); 2305 2306 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2307 2308 params.num_bssid++; 2309 } 2310 } 2311 2312 ALOGD("Added %d bssids", params.num_bssid); 2313 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2314 } 2315 2316 static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2317 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2318 JNIHelper helper(env); 2319 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2320 ALOGD("Start packet offload [%d] = %p", idx, handle); 2321 wifi_error ret; 2322 wifi_request_id id = idx; 2323 2324 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2325 2326 byte * pkt_data = (byte*) pktBytes.get(); 2327 unsigned short pkt_len = env->GetArrayLength(pkt); 2328 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2329 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2330 int i; 2331 char macAddr[32]; 2332 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", src_mac_addr[0], src_mac_addr[1], 2333 src_mac_addr[2], src_mac_addr[3], src_mac_addr[4], src_mac_addr[5]); 2334 ALOGD("src_mac_addr %s", macAddr); 2335 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", dst_mac_addr[0], dst_mac_addr[1], 2336 dst_mac_addr[2], dst_mac_addr[3], dst_mac_addr[4], dst_mac_addr[5]); 2337 ALOGD("dst_mac_addr %s", macAddr); 2338 ALOGD("pkt_len %d\n", pkt_len); 2339 ALOGD("Pkt data : "); 2340 for(i = 0; i < pkt_len; i++) { 2341 ALOGD(" %x ", pkt_data[i]); 2342 } 2343 ALOGD("\n"); 2344 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2345 src_mac_addr, dst_mac_addr, period); 2346 ALOGD("ret= %d\n", ret); 2347 return ret; 2348 } 2349 2350 static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2351 jint iface, jint idx) { 2352 int ret; 2353 JNIHelper helper(env); 2354 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2355 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2356 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2357 ALOGD("ret= %d\n", ret); 2358 return ret; 2359 } 2360 2361 static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2362 2363 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2364 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2365 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2366 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2367 JNIHelper helper(mVM); 2368 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2369 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2370 } 2371 2372 static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2373 jint idx, jbyte maxRssi, jbyte minRssi) { 2374 2375 JNIHelper helper(env); 2376 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2377 ALOGD("Start Rssi monitoring = %p", handle); 2378 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2379 wifi_error ret; 2380 wifi_request_id id = idx; 2381 wifi_rssi_event_handler eh; 2382 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2383 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2384 return ret; 2385 } 2386 2387 static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2388 jint iface, jint idx) { 2389 JNIHelper helper(env); 2390 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2391 ALOGD("Stop Rssi monitoring = %p", handle); 2392 wifi_error ret; 2393 wifi_request_id id = idx; 2394 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2395 return ret; 2396 } 2397 2398 static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2399 2400 JNIHelper helper(env); 2401 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2402 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2403 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2404 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2405 wifi_error ret; 2406 2407 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2408 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2409 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2410 2411 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2412 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2413 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2414 2415 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2416 2417 if (ret != WIFI_SUCCESS) { 2418 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2419 return NULL; 2420 } 2421 2422 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2423 if (stats == NULL) { 2424 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2425 return NULL; 2426 } 2427 JNIObject<jintArray> cmd_wake_arr = 2428 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2429 if (cmd_wake_arr == NULL) { 2430 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2431 return NULL; 2432 } 2433 JNIObject<jintArray> local_wake_arr = 2434 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2435 if (local_wake_arr == NULL) { 2436 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2437 return NULL; 2438 } 2439 2440 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2441 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2442 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2443 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2444 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2445 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2446 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2447 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2448 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2449 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2450 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2451 helper.setIntField(stats, "ipv4RxMulticast", 2452 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2453 helper.setIntField(stats, "ipv6Multicast", 2454 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2455 helper.setIntField(stats, "otherRxMulticast", 2456 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2457 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2458 wake_reason_cnt.cmd_event_wake_cnt); 2459 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2460 wake_reason_cnt.driver_fw_local_wake_cnt); 2461 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2462 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2463 return stats.detach(); 2464 } 2465 2466 static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2467 JNIHelper helper(env); 2468 ALOGV("Reading kernel logs"); 2469 2470 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2471 if (size < 1) { 2472 ALOGD("no kernel logs"); 2473 return helper.newByteArray(0).detach(); 2474 } 2475 2476 char *buf = (char *)malloc(size); 2477 if (buf == NULL) { 2478 ALOGD("can't allocate temporary storage"); 2479 return helper.newByteArray(0).detach(); 2480 } 2481 2482 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2483 if (read < 0) { 2484 ALOGD("can't read logs - %d", read); 2485 free(buf); 2486 return helper.newByteArray(0).detach(); 2487 } else { 2488 ALOGV("read %d bytes", read); 2489 } 2490 2491 if (read != size) { 2492 ALOGV("read %d bytes, expecting %d", read, size); 2493 } 2494 2495 JNIObject<jbyteArray> result = helper.newByteArray(read); 2496 if (result.isNull()) { 2497 ALOGD("can't allocate array"); 2498 free(buf); 2499 return result.detach(); 2500 } 2501 2502 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2503 free(buf); 2504 return result.detach(); 2505 } 2506 2507 static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2508 jint iface, jboolean enable) { 2509 JNIHelper helper(env); 2510 return hal_fn.wifi_configure_nd_offload( 2511 getIfaceHandle(helper, cls, iface), 2512 static_cast<int>(enable)); 2513 } 2514 2515 2516 // ---------------------------------------------------------------------------- 2517 2518 /* 2519 * JNI registration. 2520 */ 2521 static JNINativeMethod gWifiMethods[] = { 2522 /* name, signature, funcPtr */ 2523 2524 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2525 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2526 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2527 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2528 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2529 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2530 { "closeSupplicantConnectionNative", "()V", 2531 (void *)android_net_wifi_closeSupplicantConnection }, 2532 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2533 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2534 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2535 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2536 (void*) android_net_wifi_doStringCommand }, 2537 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2538 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2539 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2540 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2541 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2542 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2543 (void *) android_net_wifi_getScanCapabilities}, 2544 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2545 (void*) android_net_wifi_startScan}, 2546 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2547 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2548 (void *) android_net_wifi_getScanResults}, 2549 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2550 (void*) android_net_wifi_setHotlist}, 2551 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2552 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2553 (void*) android_net_wifi_trackSignificantWifiChange}, 2554 { "untrackSignificantWifiChangeNative", "(II)Z", 2555 (void*) android_net_wifi_untrackSignificantWifiChange}, 2556 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2557 (void*) android_net_wifi_getLinkLayerStats}, 2558 { "setWifiLinkLayerStatsNative", "(II)V", 2559 (void*) android_net_wifi_setLinkLayerStats}, 2560 { "getSupportedFeatureSetNative", "(I)I", 2561 (void*) android_net_wifi_getSupportedFeatures}, 2562 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2563 (void*) android_net_wifi_requestRange}, 2564 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2565 (void*) android_net_wifi_cancelRange}, 2566 { "enableRttResponderNative", 2567 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2568 (void*) android_net_wifi_enableResponder}, 2569 { "disableRttResponderNative", "(II)Z", 2570 (void*) android_net_wifi_disableResponder}, 2571 2572 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2573 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2574 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2575 { "setInterfaceUpNative", "(Z)Z", (void*) android_net_wifi_set_interface_up}, 2576 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2577 (void*) android_net_wifi_get_rtt_capabilities}, 2578 { "getApfCapabilitiesNative", "(I)Landroid/net/apf/ApfCapabilities;", 2579 (void*) android_net_wifi_get_apf_capabilities}, 2580 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2581 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2582 (void*) android_net_wifi_set_Country_Code_Hal}, 2583 { "setPnoListNative", "(IILcom/android/server/wifi/WifiNative$PnoSettings;)Z", 2584 (void*) android_net_wifi_setPnoListNative}, 2585 { "resetPnoListNative", "(II)Z", (void*) android_net_wifi_resetPnoListNative}, 2586 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2587 (void*) android_net_wifi_enable_disable_tdls}, 2588 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2589 (void*) android_net_wifi_get_tdls_status}, 2590 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2591 (void*) android_net_wifi_get_tdls_capabilities}, 2592 {"getSupportedLoggerFeatureSetNative","(I)I", 2593 (void*) android_net_wifi_get_supported_logger_feature}, 2594 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2595 (void*) android_net_wifi_get_driver_version}, 2596 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2597 (void*) android_net_wifi_get_firmware_version}, 2598 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2599 (void*) android_net_wifi_get_ring_buffer_status}, 2600 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2601 (void*) android_net_wifi_start_logging_ring_buffer}, 2602 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2603 (void*) android_net_wifi_get_ring_buffer_data}, 2604 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2605 {"getDriverStateDumpNative","(I)[B", (void*) android_net_wifi_get_driver_state_dump}, 2606 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2607 (void*)android_net_wifi_setBssidBlacklist}, 2608 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2609 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2610 {"startPktFateMonitoringNative", "(I)I", (void*) android_net_wifi_start_pkt_fate_monitoring}, 2611 {"getTxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$TxFateReport;)I", 2612 (void*) android_net_wifi_get_tx_pkt_fates}, 2613 {"getRxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$RxFateReport;)I", 2614 (void*) android_net_wifi_get_rx_pkt_fates}, 2615 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2616 (void*)android_net_wifi_start_sending_offloaded_packet}, 2617 { "stopSendingOffloadedPacketNative", "(II)I", 2618 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2619 {"startRssiMonitoringNative", "(IIBB)I", 2620 (void*)android_net_wifi_start_rssi_monitoring_native}, 2621 {"stopRssiMonitoringNative", "(II)I", 2622 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2623 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2624 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2625 {"isGetChannelsForBandSupportedNative", "()Z", 2626 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2627 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2628 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2629 }; 2630 2631 /* User to register native functions */ 2632 extern "C" 2633 jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2634 // initialization needed for unit test APK 2635 JniConstants::init(env); 2636 2637 return jniRegisterNativeMethods(env, 2638 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2639 } 2640 2641 }; // namespace android 2642