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 46namespace android { 47 48extern "C" 49jint Java_com_android_server_wifi_WifiNative_registerNanNatives(JNIEnv* env, jclass clazz); 50 51static jint DBG = false; 52 53//Please put all HAL function call here and call from the function table instead of directly call 54wifi_hal_fn hal_fn; 55static 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 80static 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 88static 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. 102static 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 110static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jclass) 111{ 112 return (::is_wifi_driver_loaded() == 1); 113} 114 115static jboolean android_net_wifi_loadDriver(JNIEnv* env, jclass) 116{ 117 return (::wifi_load_driver() == 0); 118} 119 120static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jclass) 121{ 122 return (::wifi_unload_driver() == 0); 123} 124 125static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 126{ 127 return (::wifi_start_supplicant(p2pSupported) == 0); 128} 129 130static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 131{ 132 return (::wifi_stop_supplicant(p2pSupported) == 0); 133} 134 135static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jclass) 136{ 137 return (::wifi_connect_to_supplicant() == 0); 138} 139 140static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jclass) 141{ 142 ::wifi_close_supplicant_connection(); 143} 144 145static 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 156static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jclass, jstring javaCommand) { 157 return doBooleanCommand(env, javaCommand); 158} 159 160static jint android_net_wifi_doIntCommand(JNIEnv* env, jclass, jstring javaCommand) { 161 return doIntCommand(env, javaCommand); 162} 163 164static jstring android_net_wifi_doStringCommand(JNIEnv* env, jclass, jstring javaCommand) { 165 return doStringCommand(env,javaCommand); 166} 167 168/* wifi_hal <==> WifiNative bridge */ 169 170static jclass mCls; /* saved WifiNative object */ 171static JavaVM *mVM; /* saved JVM pointer */ 172 173static const char *WifiHandleVarName = "sWifiHalHandle"; 174static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 175 176wifi_handle getWifiHandle(JNIHelper &helper, jclass cls) { 177 return (wifi_handle) helper.getStaticLongField(cls, WifiHandleVarName); 178} 179 180wifi_interface_handle getIfaceHandle(JNIHelper &helper, jclass cls, jint index) { 181 return (wifi_interface_handle) helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, index); 182} 183 184jboolean 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} 199static 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 239int 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 292static jboolean android_net_wifi_set_interface_up(JNIEnv* env, jclass cls, jboolean up) { 293 return (set_iface_flags("wlan0", (bool)up) == 0); 294} 295 296static 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 331void 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 342static 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 354static 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 364static 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 408static 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 426static 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 435static 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 452static 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 529static 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 538static 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 544static 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 613static 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 647static 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 660static 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 680static 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 689static 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 708static 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 738static 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 769static 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 for (int i = 0; i < params.num_bssid; i++) { 791 JNIObject<jobject> objAp = helper.getObjectArrayElement(array, i); 792 793 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 794 if (macAddrString == NULL) { 795 ALOGE("Error getting bssid field"); 796 return false; 797 } 798 799 ScopedUtfChars chars(env, macAddrString); 800 const char *bssid = chars.c_str(); 801 if (bssid == NULL) { 802 ALOGE("Error getting bssid"); 803 return false; 804 } 805 parseMacAddress(bssid, params.ap[i].bssid); 806 807 mac_addr addr; 808 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 809 810 char bssidOut[32]; 811 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 812 addr[2], addr[3], addr[4], addr[5]); 813 814 ALOGD("Added bssid %s", bssidOut); 815 816 params.ap[i].low = helper.getIntField(objAp, "low"); 817 params.ap[i].high = helper.getIntField(objAp, "high"); 818 } 819 820 wifi_hotlist_ap_found_handler handler; 821 memset(&handler, 0, sizeof(handler)); 822 823 handler.on_hotlist_ap_found = &onHotlistApFound; 824 handler.on_hotlist_ap_lost = &onHotlistApLost; 825 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 826} 827 828static jboolean android_net_wifi_resetHotlist(JNIEnv *env, jclass cls, jint iface, jint id) { 829 830 JNIHelper helper(env); 831 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 832 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 833 834 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 835} 836 837void onSignificantWifiChange(wifi_request_id id, 838 unsigned num_results, wifi_significant_change_result **results) { 839 840 JNIHelper helper(mVM); 841 842 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p", mVM, mCls); 843 844 JNIObject<jobjectArray> scanResults = helper.newObjectArray( 845 num_results, "android/net/wifi/ScanResult", NULL); 846 if (scanResults == NULL) { 847 ALOGE("Error in allocating ScanResult array in onSignificantWifiChange, length=%d", 848 num_results); 849 return; 850 } 851 852 for (unsigned i = 0; i < num_results; i++) { 853 854 wifi_significant_change_result &result = *(results[i]); 855 856 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 857 if (scanResult == NULL) { 858 ALOGE("Error in creating scan result in onSignificantWifiChange"); 859 return; 860 } 861 862 // helper.setStringField(scanResult, "SSID", results[i].ssid); 863 864 char bssid[32]; 865 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 866 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 867 868 helper.setStringField(scanResult, "BSSID", bssid); 869 870 helper.setIntField(scanResult, "level", result.rssi[0]); 871 helper.setIntField(scanResult, "frequency", result.channel); 872 // helper.setLongField(scanResult, "timestamp", result.ts); 873 874 helper.setObjectArrayElement(scanResults, i, scanResult); 875 } 876 877 helper.reportEvent(mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 878 id, scanResults.get()); 879 880} 881 882static jboolean android_net_wifi_trackSignificantWifiChange( 883 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 884 885 JNIHelper helper(env); 886 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 887 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 888 889 wifi_significant_change_params params; 890 memset(¶ms, 0, sizeof(params)); 891 892 params.rssi_sample_size = helper.getIntField(settings, "rssiSampleSize"); 893 params.lost_ap_sample_size = helper.getIntField(settings, "lostApSampleSize"); 894 params.min_breaching = helper.getIntField(settings, "minApsBreachingThreshold"); 895 896 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 897 JNIObject<jobjectArray> bssids = helper.getArrayField( 898 settings, "bssidInfos", bssid_info_array_type); 899 params.num_bssid = helper.getArrayLength(bssids); 900 901 if (params.num_bssid == 0) { 902 ALOGE("BssidInfo array length was 0"); 903 return false; 904 } 905 906 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 907 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 908 909 for (int i = 0; i < params.num_bssid; i++) { 910 JNIObject<jobject> objAp = helper.getObjectArrayElement(bssids, i); 911 912 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 913 if (macAddrString == NULL) { 914 ALOGE("Error getting bssid field"); 915 return false; 916 } 917 918 ScopedUtfChars chars(env, macAddrString.get()); 919 const char *bssid = chars.c_str(); 920 if (bssid == NULL) { 921 ALOGE("Error getting bssid"); 922 return false; 923 } 924 925 mac_addr addr; 926 parseMacAddress(bssid, addr); 927 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 928 929 char bssidOut[32]; 930 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 931 addr[2], addr[3], addr[4], addr[5]); 932 933 params.ap[i].low = helper.getIntField(objAp, "low"); 934 params.ap[i].high = helper.getIntField(objAp, "high"); 935 936 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 937 } 938 939 ALOGD("Added %d bssids", params.num_bssid); 940 941 wifi_significant_change_handler handler; 942 memset(&handler, 0, sizeof(handler)); 943 944 handler.on_significant_change = &onSignificantWifiChange; 945 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 946} 947 948static jboolean android_net_wifi_untrackSignificantWifiChange( 949 JNIEnv *env, jclass cls, jint iface, jint id) { 950 951 JNIHelper helper(env); 952 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 953 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 954 955 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 956} 957 958wifi_iface_stat link_stat; 959wifi_radio_stat radio_stat; // L release has support for only one radio 960u32 *tx_time_per_level_arr = 0; 961// Let's cache the supported feature set to avoid unnecessary HAL invocations. 962feature_set cached_feature_set = 0; 963 964bool isTxLevelStatsPresent(wifi_radio_stat *radio_stats) { 965 if (IS_SUPPORTED_FEATURE(WIFI_FEATURE_TX_TRANSMIT_POWER, cached_feature_set)) { 966 if(radio_stats->tx_time_per_levels != 0 && radio_stats->num_tx_levels > 0) { 967 return true; 968 } else { 969 ALOGE("Ignoring invalid tx_level info in radio_stats"); 970 } 971 } 972 return false; 973} 974 975void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 976 int num_radios, wifi_radio_stat *radio_stats) 977{ 978 if (iface_stat != 0) { 979 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 980 } else { 981 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 982 } 983 984 if (num_radios > 0 && radio_stats != 0) { 985 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 986 if (isTxLevelStatsPresent(radio_stats)) { 987 // This realloc should be a no-op after the first allocation because for a given 988 // device, the number of power levels should not change. 989 u32 arr_size = sizeof(u32) * radio_stats->num_tx_levels; 990 tx_time_per_level_arr = (u32 *)realloc(tx_time_per_level_arr, arr_size); 991 memcpy(tx_time_per_level_arr, radio_stats->tx_time_per_levels, arr_size); 992 radio_stat.tx_time_per_levels = tx_time_per_level_arr; 993 } else { 994 radio_stat.num_tx_levels = 0; 995 radio_stat.tx_time_per_levels = 0; 996 } 997 } else { 998 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 999 } 1000} 1001 1002static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 1003 JNIHelper helper(env); 1004 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1005 1006 wifi_link_layer_params params; 1007 params.aggressive_statistics_gathering = enable; 1008 params.mpdu_size_threshold = 128; 1009 1010 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 1011 1012 hal_fn.wifi_set_link_stats(handle, params); 1013} 1014 1015static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1016 1017 JNIHelper helper(env); 1018 wifi_stats_result_handler handler; 1019 memset(&handler, 0, sizeof(handler)); 1020 handler.on_link_stats_results = &onLinkStatsResults; 1021 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1022 int result; 1023 // Cache the features supported by the device to determine if tx level stats are present or not 1024 if (cached_feature_set == 0) { 1025 result = hal_fn.wifi_get_supported_feature_set(handle, &cached_feature_set); 1026 if (result != WIFI_SUCCESS) { 1027 cached_feature_set = 0; 1028 } 1029 } 1030 1031 result = hal_fn.wifi_get_link_stats(0, handle, handler); 1032 if (result < 0) { 1033 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1034 return NULL; 1035 } 1036 1037 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 1038 "android/net/wifi/WifiLinkLayerStats"); 1039 if (wifiLinkLayerStats == NULL) { 1040 ALOGE("Error in allocating wifiLinkLayerStats"); 1041 return NULL; 1042 } 1043 1044 JNIObject<jintArray> tx_time_per_level = helper.newIntArray(radio_stat.num_tx_levels); 1045 if (tx_time_per_level == NULL) { 1046 ALOGE("Error in allocating wifiLinkLayerStats"); 1047 return NULL; 1048 } 1049 1050 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1051 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1052 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1053 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1054 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1055 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1056 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1057 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1058 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1059 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1060 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1061 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1062 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1063 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1064 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1065 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1066 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1067 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1068 1069 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1070 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1071 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1072 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1073 if (radio_stat.tx_time_per_levels != 0) { 1074 helper.setIntArrayRegion(tx_time_per_level, 0, radio_stat.num_tx_levels, 1075 (jint *)radio_stat.tx_time_per_levels); 1076 } 1077 helper.setObjectField(wifiLinkLayerStats, "tx_time_per_level", "[I", tx_time_per_level); 1078 1079 1080 return wifiLinkLayerStats.detach(); 1081} 1082 1083static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1084 1085 JNIHelper helper(env); 1086 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1087 feature_set set = 0; 1088 1089 wifi_error result = WIFI_SUCCESS; 1090 /* 1091 set = WIFI_FEATURE_INFRA 1092 | WIFI_FEATURE_INFRA_5G 1093 | WIFI_FEATURE_HOTSPOT 1094 | WIFI_FEATURE_P2P 1095 | WIFI_FEATURE_SOFT_AP 1096 | WIFI_FEATURE_GSCAN 1097 | WIFI_FEATURE_PNO 1098 | WIFI_FEATURE_TDLS 1099 | WIFI_FEATURE_EPR; 1100 */ 1101 1102 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1103 if (result == WIFI_SUCCESS) { 1104 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1105 return set; 1106 } else { 1107 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1108 return 0; 1109 } 1110} 1111 1112static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1113 1114 JNIHelper helper(mVM); 1115 1116 ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1117 1118 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1119 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1120 if (rttResults == NULL) { 1121 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1122 return; 1123 } 1124 1125 for (unsigned i = 0; i < num_results; i++) { 1126 1127 wifi_rtt_result *result = results[i]; 1128 1129 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1130 if (rttResult == NULL) { 1131 ALOGE("Error in creating rtt result in onRttResults"); 1132 return; 1133 } 1134 1135 char bssid[32]; 1136 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1137 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1138 1139 helper.setStringField(rttResult, "bssid", bssid); 1140 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1141 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1142 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1143 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1144 helper.setIntField( rttResult, "status", result->status); 1145 helper.setIntField( rttResult, "measurementType", result->type); 1146 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1147 helper.setLongField(rttResult, "ts", result->ts); 1148 helper.setIntField( rttResult, "rssi", result->rssi); 1149 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1150 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1151 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1152 helper.setLongField(rttResult, "rtt", result->rtt); 1153 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1154 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1155 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1156 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1157 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1158 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1159 1160 JNIObject<jobject> LCI = helper.createObject( 1161 "android/net/wifi/RttManager$WifiInformationElement"); 1162 if (result->LCI != NULL && result->LCI->len > 0) { 1163 ALOGD("Add LCI in result"); 1164 helper.setByteField(LCI, "id", result->LCI->id); 1165 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1166 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1167 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1168 helper.setObjectField(LCI, "data", "[B", elements); 1169 } else { 1170 ALOGD("No LCI in result"); 1171 helper.setByteField(LCI, "id", (byte)(0xff)); 1172 } 1173 helper.setObjectField(rttResult, "LCI", 1174 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1175 1176 JNIObject<jobject> LCR = helper.createObject( 1177 "android/net/wifi/RttManager$WifiInformationElement"); 1178 if (result->LCR != NULL && result->LCR->len > 0) { 1179 ALOGD("Add LCR in result"); 1180 helper.setByteField(LCR, "id", result->LCR->id); 1181 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1182 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1183 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1184 helper.setObjectField(LCR, "data", "[B", elements); 1185 } else { 1186 ALOGD("No LCR in result"); 1187 helper.setByteField(LCR, "id", (byte)(0xff)); 1188 } 1189 helper.setObjectField(rttResult, "LCR", 1190 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1191 1192 helper.setObjectArrayElement(rttResults, i, rttResult); 1193 } 1194 1195 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1196 id, rttResults.get()); 1197} 1198 1199const int MaxRttConfigs = 16; 1200 1201static jboolean android_net_wifi_requestRange( 1202 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1203 1204 JNIHelper helper(env); 1205 1206 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1207 ALOGD("sending rtt request [%d] = %p", id, handle); 1208 if (params == NULL) { 1209 ALOGE("ranging params are empty"); 1210 return false; 1211 } 1212 1213 wifi_rtt_config configs[MaxRttConfigs]; 1214 memset(&configs, 0, sizeof(configs)); 1215 1216 int len = helper.getArrayLength((jobjectArray)params); 1217 if (len > MaxRttConfigs) { 1218 return false; 1219 } 1220 1221 for (int i = 0; i < len; i++) { 1222 1223 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1224 if (param == NULL) { 1225 ALOGD("could not get element %d", i); 1226 continue; 1227 } 1228 1229 wifi_rtt_config &config = configs[i]; 1230 1231 parseMacAddress(env, param, config.addr); 1232 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1233 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1234 config.channel.center_freq = helper.getIntField(param, "frequency"); 1235 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1236 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1237 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1238 1239 config.num_burst = helper.getIntField(param, "numberBurst"); 1240 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1241 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1242 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1243 "numRetriesPerMeasurementFrame"); 1244 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1245 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1246 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1247 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1248 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1249 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1250 1251 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1252 config.type,config.peer, config.channel.width, config.channel.center_freq); 1253 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1254 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1255 config.burst_period); 1256 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1257 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1258 config.num_retries_per_ftmr); 1259 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1260 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1261 config.bw); 1262 } 1263 1264 wifi_rtt_event_handler handler; 1265 handler.on_rtt_results = &onRttResults; 1266 1267 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1268} 1269 1270static jboolean android_net_wifi_cancelRange( 1271 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1272 1273 JNIHelper helper(env); 1274 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1275 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1276 1277 if (params == NULL) { 1278 ALOGE("ranging params are empty"); 1279 return false; 1280 } 1281 1282 mac_addr addrs[MaxRttConfigs]; 1283 memset(&addrs, 0, sizeof(addrs)); 1284 1285 int len = helper.getArrayLength((jobjectArray)params); 1286 if (len > MaxRttConfigs) { 1287 return false; 1288 } 1289 1290 for (int i = 0; i < len; i++) { 1291 1292 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1293 if (param == NULL) { 1294 ALOGD("could not get element %d", i); 1295 continue; 1296 } 1297 1298 parseMacAddress(env, param, addrs[i]); 1299 } 1300 1301 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1302} 1303 1304static jobject android_net_wifi_enableResponder( 1305 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1306 JNIHelper helper(env); 1307 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1308 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1309 wifi_channel_info channel; 1310 // Get channel information from HAL if it's not provided by caller. 1311 if (channel_hint == NULL) { 1312 wifi_rtt_responder responder_info_hint; 1313 bool status = hal_fn.wifi_rtt_get_responder_info(handle, &responder_info_hint); 1314 if (status != WIFI_SUCCESS) { 1315 ALOGE("could not get available channel for responder"); 1316 return NULL; 1317 } 1318 channel = responder_info_hint.channel; 1319 } else { 1320 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1321 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1322 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1323 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1324 } 1325 1326 if (DBG) { 1327 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1328 channel.width, channel.center_freq, channel.center_freq0); 1329 } 1330 1331 wifi_rtt_responder responder_info_used; 1332 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1333 &responder_info_used); 1334 if (status != WIFI_SUCCESS) { 1335 ALOGE("enabling responder mode failed"); 1336 return NULL; 1337 } 1338 wifi_channel_info channel_used = responder_info_used.channel; 1339 if (DBG) { 1340 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1341 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1342 } 1343 JNIObject<jobject> responderConfig = 1344 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1345 if (responderConfig == NULL) return NULL; 1346 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1347 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1348 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1349 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1350 helper.setIntField(responderConfig, "preamble", responder_info_used.preamble); 1351 return responderConfig.detach(); 1352} 1353 1354static jboolean android_net_wifi_disableResponder( 1355 JNIEnv *env, jclass cls, jint iface, jint id) { 1356 JNIHelper helper(env); 1357 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1358 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1359 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1360} 1361 1362 1363static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1364 jint iface, jbyteArray param) { 1365 1366 JNIHelper helper(env); 1367 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1368 ALOGD("setting scan oui %p", handle); 1369 1370 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1371 int len = helper.getArrayLength(param); 1372 if (len != oui_len) { 1373 ALOGE("invalid oui length %d", len); 1374 return false; 1375 } 1376 1377 ScopedBytesRW paramBytes(env, param); 1378 jbyte* bytes = paramBytes.get(); 1379 if (bytes == NULL) { 1380 ALOGE("failed to get setScanningMacOui param array"); 1381 return false; 1382 } 1383 1384 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1385} 1386 1387static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1388 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1389} 1390 1391static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1392 jint iface, jint band) { 1393 1394 JNIHelper helper(env); 1395 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1396 ALOGV("getting valid channels %p", handle); 1397 1398 static const int MaxChannels = 64; 1399 wifi_channel channels[64]; 1400 int num_channels = 0; 1401 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1402 channels, &num_channels); 1403 1404 if (result == WIFI_SUCCESS) { 1405 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1406 if (channelArray == NULL) { 1407 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1408 return NULL; 1409 } 1410 1411 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1412 return channelArray.detach(); 1413 } else { 1414 ALOGE("failed to get channel list : %d", result); 1415 return NULL; 1416 } 1417} 1418 1419static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1420 1421 JNIHelper helper(env); 1422 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1423 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1424 1425 u32 nodfs = dfs ? 0 : 1; 1426 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1427 return result == WIFI_SUCCESS; 1428} 1429 1430static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1431 1432 JNIHelper helper(env); 1433 wifi_rtt_capabilities rtt_capabilities; 1434 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1435 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1436 1437 if(WIFI_SUCCESS == ret) { 1438 JNIObject<jobject> capabilities = helper.createObject( 1439 "android/net/wifi/RttManager$RttCapabilities"); 1440 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1441 rtt_capabilities.rtt_one_sided_supported == 1); 1442 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1443 rtt_capabilities.rtt_ftm_supported == 1); 1444 helper.setBooleanField(capabilities, "lciSupported", 1445 rtt_capabilities.lci_support); 1446 helper.setBooleanField(capabilities, "lcrSupported", 1447 rtt_capabilities.lcr_support); 1448 helper.setIntField(capabilities, "preambleSupported", 1449 rtt_capabilities.preamble_support); 1450 helper.setIntField(capabilities, "bwSupported", 1451 rtt_capabilities.bw_support); 1452 helper.setBooleanField(capabilities, "responderSupported", 1453 rtt_capabilities.responder_supported == 1); 1454 if (DBG) { 1455 ALOGD("One side RTT is %s", rtt_capabilities.rtt_one_sided_supported == 1 ? 1456 "supported" : "not supported"); 1457 ALOGD("Two side RTT is %s", rtt_capabilities.rtt_ftm_supported == 1 ? 1458 "supported" : "not supported"); 1459 ALOGD("LCR is %s", rtt_capabilities.lcr_support == 1 ? "supported" : "not supported"); 1460 ALOGD("LCI is %s", rtt_capabilities.lci_support == 1 ? "supported" : "not supported"); 1461 ALOGD("Supported preamble is %d", rtt_capabilities.preamble_support); 1462 ALOGD("Supported bandwidth is %d", rtt_capabilities.bw_support); 1463 ALOGD("Sta responder is %s", 1464 rtt_capabilities.responder_supported == 1 ? "supported" : "not supported"); 1465 } 1466 return capabilities.detach(); 1467 } else { 1468 return NULL; 1469 } 1470} 1471 1472static jobject android_net_wifi_get_apf_capabilities(JNIEnv *env, jclass cls, 1473 jint iface) { 1474 1475 JNIHelper helper(env); 1476 u32 version = 0, max_len = 0; 1477 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1478 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1479 1480 if (WIFI_SUCCESS == ret) { 1481 // Cannot just use createObject() because members are final and initializer values must be 1482 // passed via ApfCapabilities(). 1483 JNIObject<jclass> apf_cls(helper, env->FindClass("android/net/apf/ApfCapabilities")); 1484 if (apf_cls == NULL) { 1485 ALOGE("Error in finding class android/net/apf/ApfCapabilities"); 1486 return NULL; 1487 } 1488 jmethodID constructor = env->GetMethodID(apf_cls, "<init>", "(III)V"); 1489 if (constructor == 0) { 1490 ALOGE("Error in constructor ID for android/net/apf/ApfCapabilities"); 1491 return NULL; 1492 } 1493 JNIObject<jobject> capabilities(helper, env->NewObject(apf_cls, constructor, version, 1494 max_len, ARPHRD_ETHER)); 1495 if (capabilities == NULL) { 1496 ALOGE("Could not create new object of android/net/apf/ApfCapabilities"); 1497 return NULL; 1498 } 1499 ALOGD("APF version supported: %d", version); 1500 ALOGD("Maximum APF program size: %d", max_len); 1501 return capabilities.detach(); 1502 } else { 1503 return NULL; 1504 } 1505} 1506 1507static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1508 jbyteArray jfilter) { 1509 1510 JNIHelper helper(env); 1511 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1512 const u32 filter_len = env->GetArrayLength(jfilter); 1513 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1514 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1515 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1516 return WIFI_SUCCESS == ret; 1517} 1518 1519static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1520 jstring country_code) { 1521 1522 JNIHelper helper(env); 1523 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1524 1525 ScopedUtfChars chars(env, country_code); 1526 const char *country = chars.c_str(); 1527 1528 ALOGD("set country code: %s", country); 1529 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1530 return res == WIFI_SUCCESS; 1531} 1532 1533static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1534 jboolean enable, jstring addr) { 1535 1536 JNIHelper helper(env); 1537 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1538 1539 mac_addr address; 1540 parseMacAddress(env, addr, address); 1541 wifi_tdls_handler tdls_handler; 1542 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1543 1544 if(enable) { 1545 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1546 } else { 1547 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1548 } 1549} 1550 1551static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1552 1553 JNIHelper helper(mVM); 1554 1555 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1556 1557 char mac[32]; 1558 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1559 addr[5]); 1560 1561 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1562 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1563 mac_address.get(), status.state, status.reason); 1564 1565} 1566 1567static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1568 1569 JNIHelper helper(env); 1570 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1571 1572 mac_addr address; 1573 parseMacAddress(env, addr, address); 1574 1575 wifi_tdls_status status; 1576 1577 wifi_error ret; 1578 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1579 1580 if (ret != WIFI_SUCCESS) { 1581 return NULL; 1582 } else { 1583 JNIObject<jobject> tdls_status = helper.createObject( 1584 "com/android/server/wifi/WifiNative$TdlsStatus"); 1585 helper.setIntField(tdls_status, "channel", status.channel); 1586 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1587 helper.setIntField(tdls_status, "state", status.state); 1588 helper.setIntField(tdls_status, "reason", status.reason); 1589 return tdls_status.detach(); 1590 } 1591} 1592 1593static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1594 1595 JNIHelper helper(env); 1596 wifi_tdls_capabilities tdls_capabilities; 1597 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1598 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1599 1600 if (WIFI_SUCCESS == ret) { 1601 JNIObject<jobject> capabilities = helper.createObject( 1602 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1603 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1604 tdls_capabilities.max_concurrent_tdls_session_num); 1605 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1606 tdls_capabilities.is_global_tdls_supported == 1); 1607 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1608 tdls_capabilities.is_per_mac_tdls_supported == 1); 1609 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1610 tdls_capabilities.is_off_channel_tdls_supported); 1611 1612 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1613 tdls_capabilities.max_concurrent_tdls_session_num); 1614 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1615 "not support"); 1616 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1617 "not support"); 1618 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1619 "support" : "not support"); 1620 1621 return capabilities.detach(); 1622 } else { 1623 return NULL; 1624 } 1625} 1626 1627// ---------------------------------------------------------------------------- 1628// Debug framework 1629// ---------------------------------------------------------------------------- 1630static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1631 //Not implemented yet 1632 return -1; 1633} 1634 1635static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1636 //Need to be fixed. The memory should be allocated from lower layer 1637 //char *buffer = NULL; 1638 JNIHelper helper(env); 1639 int buffer_length = 256; 1640 char *buffer = (char *)malloc(buffer_length); 1641 if (!buffer) return NULL; 1642 memset(buffer, 0, buffer_length); 1643 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1644 1645 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1646 1647 if (handle == 0) { 1648 free(buffer); 1649 return NULL; 1650 } 1651 1652 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1653 1654 if (result == WIFI_SUCCESS) { 1655 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1656 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1657 free(buffer); 1658 return driver_version.detach(); 1659 } else { 1660 ALOGE("Fail to get driver version"); 1661 free(buffer); 1662 return NULL; 1663 } 1664} 1665 1666static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1667 1668 //char *buffer = NULL; 1669 JNIHelper helper(env); 1670 int buffer_length = 256; 1671 char *buffer = (char *)malloc(buffer_length); 1672 if (!buffer) return NULL; 1673 memset(buffer, 0, buffer_length); 1674 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1675 1676 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1677 1678 if (handle == 0) { 1679 free(buffer); 1680 return NULL; 1681 } 1682 1683 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1684 1685 if (result == WIFI_SUCCESS) { 1686 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1687 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1688 free(buffer); 1689 return firmware_version.detach(); 1690 } else { 1691 ALOGE("Fail to get Firmware version"); 1692 free(buffer); 1693 return NULL; 1694 } 1695} 1696 1697static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1698 1699 JNIHelper helper(env); 1700 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1701 1702 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1703 1704 if (handle == 0) { 1705 return NULL; 1706 } 1707 1708 //wifi_ring_buffer_status *status = NULL; 1709 u32 num_rings = 10; 1710 wifi_ring_buffer_status *status = 1711 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1712 if (!status) return NULL; 1713 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1714 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1715 if (result == WIFI_SUCCESS) { 1716 ALOGD("status is %p, number is %d", status, num_rings); 1717 1718 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1719 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1720 1721 wifi_ring_buffer_status *tmp = status; 1722 1723 for(u32 i = 0; i < num_rings; i++, tmp++) { 1724 1725 JNIObject<jobject> ringStatus = helper.createObject( 1726 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1727 1728 if (ringStatus == NULL) { 1729 ALOGE("Error in creating ringBufferStatus"); 1730 free(status); 1731 return NULL; 1732 } 1733 1734 char name[32]; 1735 for(int j = 0; j < 32; j++) { 1736 name[j] = tmp->name[j]; 1737 } 1738 1739 helper.setStringField(ringStatus, "name", name); 1740 helper.setIntField(ringStatus, "flag", tmp->flags); 1741 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1742 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1743 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1744 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1745 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1746 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1747 1748 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1749 } 1750 1751 free(status); 1752 return ringBuffersStatus.detach(); 1753 } else { 1754 free(status); 1755 return NULL; 1756 } 1757} 1758 1759static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1760 wifi_ring_buffer_status *status) { 1761 1762 if (!ring_name || !buffer || !status || 1763 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1764 ALOGE("Error input for on_ring_buffer_data!"); 1765 return; 1766 } 1767 1768 1769 JNIHelper helper(mVM); 1770 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1771 mCls, env, buffer_size); */ 1772 1773 JNIObject<jobject> ringStatus = helper.createObject( 1774 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1775 if (status == NULL) { 1776 ALOGE("Error in creating ringBufferStatus"); 1777 return; 1778 } 1779 1780 helper.setStringField(ringStatus, "name", ring_name); 1781 helper.setIntField(ringStatus, "flag", status->flags); 1782 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1783 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1784 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1785 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1786 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1787 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1788 1789 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1790 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1791 1792 helper.reportEvent(mCls,"onRingBufferData", 1793 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1794 ringStatus.get(), bytes.get()); 1795} 1796 1797static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1798 1799 JNIHelper helper(mVM); 1800 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1801 , mVM, mCls, buffer_size, err_code); 1802 1803 if (buffer_size > 0) { 1804 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1805 jbyte *bytes = (jbyte *) buffer; 1806 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1807 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1808 } else { 1809 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1810 } 1811} 1812 1813 1814static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1815 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1816 1817 JNIHelper helper(env); 1818 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1819 1820 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1821 1822 if (handle == 0) { 1823 return false; 1824 } 1825 1826 ScopedUtfChars chars(env, ring_name); 1827 const char* ring_name_const_char = chars.c_str(); 1828 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1829 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1830 1831 if (ret != WIFI_SUCCESS) { 1832 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1833 } else { 1834 ALOGD("start logging for ring %s", ring_name_const_char); 1835 } 1836 1837 return ret == WIFI_SUCCESS; 1838} 1839 1840static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1841 jstring ring_name) { 1842 1843 JNIHelper helper(env); 1844 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1845 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1846 1847 ScopedUtfChars chars(env, ring_name); 1848 const char* ring_name_const_char = chars.c_str(); 1849 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1850 return result == WIFI_SUCCESS; 1851} 1852 1853 1854static void on_firmware_memory_dump(char *buffer, int buffer_size) { 1855 1856 JNIHelper helper(mVM); 1857 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1858 , mVM, mCls, env, buffer_size); */ 1859 1860 if (buffer_size > 0) { 1861 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1862 jbyte *bytes = (jbyte *) (buffer); 1863 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1864 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1865 } 1866} 1867 1868static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1869 1870 JNIHelper helper(env); 1871 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1872 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1873 1874 if (handle == NULL) { 1875 ALOGE("Can not get wifi_interface_handle"); 1876 return false; 1877 } 1878 1879 wifi_firmware_memory_dump_handler fw_dump_handle; 1880 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1881 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1882 return result == WIFI_SUCCESS; 1883 1884} 1885 1886std::vector<jbyte>* driver_state_dump_buffer_for_callback = nullptr; 1887 1888static void on_driver_state_dump(char *buffer, int buffer_size); 1889static wifi_driver_memory_dump_callbacks driver_state_dump_callbacks = { 1890 on_driver_state_dump 1891}; 1892 1893static void on_driver_state_dump(char *buffer, int buffer_size) { 1894 1895 if (!driver_state_dump_buffer_for_callback) { 1896 ALOGE("Unexpected call from HAL implementation, into %s", __func__); 1897 return; 1898 } 1899 1900 if (buffer_size > 0) { 1901 driver_state_dump_buffer_for_callback->insert( 1902 driver_state_dump_buffer_for_callback->end(), buffer, buffer + buffer_size); 1903 } 1904} 1905 1906// TODO(quiche): Add unit tests. b/28072392 1907static jbyteArray android_net_wifi_get_driver_state_dump(JNIEnv *env, jclass cls, jint iface){ 1908 1909 JNIHelper helper(env); 1910 wifi_interface_handle interface_handle = getIfaceHandle(helper, cls, iface); 1911 1912 if (!interface_handle) { 1913 return nullptr; 1914 } 1915 1916 int result; 1917 std::vector<jbyte> state_dump_buffer_local; 1918 driver_state_dump_buffer_for_callback = &state_dump_buffer_local; 1919 result = hal_fn.wifi_get_driver_memory_dump(interface_handle, driver_state_dump_callbacks); 1920 driver_state_dump_buffer_for_callback = nullptr; 1921 1922 if (result != WIFI_SUCCESS) { 1923 ALOGW("HAL's wifi_get_driver_memory_dump returned %d", result); 1924 return nullptr; 1925 } 1926 1927 if (state_dump_buffer_local.empty()) { 1928 ALOGW("HAL's wifi_get_driver_memory_dump provided zero bytes"); 1929 return nullptr; 1930 } 1931 1932 const size_t dump_size = state_dump_buffer_local.size(); 1933 JNIObject<jbyteArray> driver_dump_java = helper.newByteArray(dump_size); 1934 if (!driver_dump_java) { 1935 ALOGW("Failed to allocate Java buffer for driver state dump"); 1936 return nullptr; 1937 } 1938 1939 helper.setByteArrayRegion(driver_dump_java, 0, dump_size, state_dump_buffer_local.data()); 1940 return driver_dump_java.detach(); 1941} 1942 1943static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1944 1945 JNIHelper helper(env); 1946 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1947 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1948 1949 //initialize the handler on first time 1950 wifi_ring_buffer_data_handler handler; 1951 handler.on_ring_buffer_data = &on_ring_buffer_data; 1952 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1953 if (result != WIFI_SUCCESS) { 1954 ALOGE("Fail to set logging handler"); 1955 return false; 1956 } 1957 1958 //set alter handler This will start alert too 1959 wifi_alert_handler alert_handler; 1960 alert_handler.on_alert = &on_alert_data; 1961 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1962 if (result != WIFI_SUCCESS) { 1963 ALOGE(" Fail to set alert handler"); 1964 return false; 1965 } 1966 1967 return true; 1968} 1969 1970static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1971 1972 JNIHelper helper(env); 1973 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1974 1975 //reset alter handler 1976 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1977 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1978 if (result != WIFI_SUCCESS) { 1979 ALOGE(" Fail to reset alert handler"); 1980 return false; 1981 } 1982 1983 //reset log handler 1984 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1985 result = hal_fn.wifi_reset_log_handler(id, handle); 1986 if (result != WIFI_SUCCESS) { 1987 ALOGE("Fail to reset logging handler"); 1988 return false; 1989 } 1990 1991 return true; 1992} 1993 1994static jint android_net_wifi_start_pkt_fate_monitoring(JNIEnv *env, jclass cls, jint iface) { 1995 1996 JNIHelper helper(env); 1997 return hal_fn.wifi_start_pkt_fate_monitoring( 1998 getIfaceHandle(helper, cls, iface)); 1999} 2000 2001// Helper for make_default_fate(). 2002template<typename T> void set_to_max(T* value) { 2003 if (!value) { 2004 return; 2005 } 2006 *value = std::numeric_limits<T>::max(); 2007} 2008 2009// make_default_fate() has two purposes: 2010// 1) Minimize the chances of data leakage. In case the HAL gives us an overlong long |frame_len|, 2011// for example, we want to return zeros, rather than other data from this process. 2012// 2) Make it obvious when the HAL doesn't set a field. We accomplish this by setting fields 2013// to "impossible" values, where possible. 2014// Normally, such work would be done in a ctor. However, doing so would make the HAL API 2015// incompatible with C. So we use a free-standing function instead. 2016// 2017// TODO(quiche): Add unit test for this function. b/27726696 2018template<typename FateReportT> FateReportT make_default_fate() { 2019 2020 FateReportT fate_report; 2021 set_to_max(&fate_report.fate); 2022 std::fill(std::begin(fate_report.md5_prefix), std::end(fate_report.md5_prefix), 0); 2023 set_to_max(&fate_report.frame_inf.payload_type); 2024 fate_report.frame_inf.frame_len = 0; 2025 fate_report.frame_inf.driver_timestamp_usec = 0; 2026 fate_report.frame_inf.firmware_timestamp_usec = 0; 2027 std::fill(std::begin(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 2028 std::end(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 0); 2029 return fate_report; 2030} 2031 2032// TODO(quiche): Add unit test for this function. b/27726696 2033template<typename FateReportT, typename HalFateFetcherT> wifi_error get_pkt_fates( 2034 HalFateFetcherT fate_fetcher_func, const char *java_fate_type, 2035 JNIEnv *env, jclass cls, jint iface, jobjectArray reports) { 2036 2037 JNIHelper helper(env); 2038 const size_t n_reports_wanted = 2039 std::min(helper.getArrayLength(reports), MAX_FATE_LOG_LEN); 2040 2041 std::vector<FateReportT> report_bufs(n_reports_wanted, make_default_fate<FateReportT>()); 2042 size_t n_reports_provided = 0; 2043 wifi_error result = fate_fetcher_func( 2044 getIfaceHandle(helper, cls, iface), 2045 report_bufs.data(), 2046 n_reports_wanted, 2047 &n_reports_provided); 2048 if (result != WIFI_SUCCESS) { 2049 return result; 2050 } 2051 2052 if (n_reports_provided > n_reports_wanted) { 2053 LOG_ALWAYS_FATAL( 2054 "HAL data exceeds request; memory may be corrupt (provided: %zu, requested: %zu)", 2055 n_reports_provided, n_reports_wanted); 2056 } 2057 2058 for (size_t i = 0; i < n_reports_provided; ++i) { 2059 const FateReportT& report(report_bufs[i]); 2060 2061 const char *frame_bytes_native = nullptr; 2062 size_t max_frame_len; 2063 switch (report.frame_inf.payload_type) { 2064 case FRAME_TYPE_UNKNOWN: 2065 case FRAME_TYPE_ETHERNET_II: 2066 max_frame_len = MAX_FRAME_LEN_ETHERNET; 2067 frame_bytes_native = report.frame_inf.frame_content.ethernet_ii_bytes; 2068 break; 2069 case FRAME_TYPE_80211_MGMT: 2070 max_frame_len = MAX_FRAME_LEN_80211_MGMT; 2071 frame_bytes_native = report.frame_inf.frame_content.ieee_80211_mgmt_bytes; 2072 break; 2073 default: 2074 max_frame_len = 0; 2075 frame_bytes_native = 0; 2076 } 2077 2078 size_t copy_len = report.frame_inf.frame_len; 2079 if (copy_len > max_frame_len) { 2080 ALOGW("Overly long frame (len: %zu, max: %zu)", copy_len, max_frame_len); 2081 copy_len = max_frame_len; 2082 } 2083 2084 JNIObject<jbyteArray> frame_bytes_java = helper.newByteArray(copy_len); 2085 if (frame_bytes_java.isNull()) { 2086 ALOGE("Failed to allocate frame data buffer"); 2087 return WIFI_ERROR_OUT_OF_MEMORY; 2088 } 2089 helper.setByteArrayRegion(frame_bytes_java, 0, copy_len, 2090 reinterpret_cast<const jbyte *>(frame_bytes_native)); 2091 2092 JNIObject<jobject> fate_report = helper.createObjectWithArgs( 2093 java_fate_type, 2094 "(BJB[B)V", // byte, long, byte, byte array 2095 static_cast<jbyte>(report.fate), 2096 static_cast<jlong>(report.frame_inf.driver_timestamp_usec), 2097 static_cast<jbyte>(report.frame_inf.payload_type), 2098 frame_bytes_java.get()); 2099 if (fate_report.isNull()) { 2100 ALOGE("Failed to create %s", java_fate_type); 2101 return WIFI_ERROR_OUT_OF_MEMORY; 2102 } 2103 helper.setObjectArrayElement(reports, i, fate_report); 2104 } 2105 2106 return result; 2107} 2108 2109static jint android_net_wifi_get_tx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2110 jobjectArray reports) { 2111 2112 return get_pkt_fates<wifi_tx_report>( 2113 hal_fn.wifi_get_tx_pkt_fates, "com/android/server/wifi/WifiNative$TxFateReport", 2114 env, cls, iface, reports); 2115} 2116 2117static jint android_net_wifi_get_rx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2118 jobjectArray reports) { 2119 2120 return get_pkt_fates<wifi_rx_report>( 2121 hal_fn.wifi_get_rx_pkt_fates, "com/android/server/wifi/WifiNative$RxFateReport", 2122 env, cls, iface, reports); 2123} 2124 2125// ---------------------------------------------------------------------------- 2126// ePno framework 2127// ---------------------------------------------------------------------------- 2128 2129 2130static void onPnoNetworkFound(wifi_request_id id, 2131 unsigned num_results, wifi_scan_result *results) { 2132 JNIHelper helper(mVM); 2133 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 2134 2135 if (results == NULL || num_results == 0) { 2136 ALOGE("onPnoNetworkFound: Error no results"); 2137 return; 2138 } 2139 2140 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 2141 "android/net/wifi/ScanResult", NULL); 2142 if (scanResults == NULL) { 2143 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 2144 return; 2145 } 2146 2147 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 2148 if (beaconCaps == NULL) { 2149 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 2150 return; 2151 } 2152 2153 for (unsigned i=0; i<num_results; i++) { 2154 2155 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 2156 if (scanResult == NULL) { 2157 ALOGE("Error in creating scan result"); 2158 return; 2159 } 2160 2161 helper.setObjectArrayElement(scanResults, i, scanResult); 2162 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 2163 2164 if (DBG) { 2165 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 2166 results->ie_length, i, results[i].ssid, results[i].rssi, 2167 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 2168 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 2169 } 2170 } 2171 2172 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 2173 scanResults.get(), beaconCaps.get()); 2174} 2175 2176static jboolean android_net_wifi_setPnoListNative( 2177 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 2178 2179 JNIHelper helper(env); 2180 wifi_epno_handler handler; 2181 handler.on_network_found = &onPnoNetworkFound; 2182 2183 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2184 ALOGD("configure ePno list request [%d] = %p", id, handle); 2185 2186 if (settings == NULL) { 2187 return false; 2188 } 2189 2190 JNIObject<jobjectArray> list = helper.getArrayField(settings, "networkList", 2191 "[Lcom/android/server/wifi/WifiNative$PnoNetwork;"); 2192 if (list == NULL) { 2193 return false; 2194 } 2195 2196 size_t len = helper.getArrayLength(list); 2197 if (len > (size_t)MAX_EPNO_NETWORKS) { 2198 return false; 2199 } 2200 2201 wifi_epno_params params; 2202 memset(¶ms, 0, sizeof(params)); 2203 2204 for (unsigned int i = 0; i < len; i++) { 2205 2206 JNIObject<jobject> pno_net = helper.getObjectArrayElement(list, i); 2207 if (pno_net == NULL) { 2208 ALOGE("setPnoListNative: could not get element %d", i); 2209 continue; 2210 } 2211 2212 JNIObject<jstring> sssid = helper.getStringField(pno_net, "ssid"); 2213 if (sssid == NULL) { 2214 ALOGE("Error setPnoListNative: getting ssid field"); 2215 return false; 2216 } 2217 2218 ScopedUtfChars chars(env, (jstring)sssid.get()); 2219 const char *ssid = chars.c_str(); 2220 if (ssid == NULL) { 2221 ALOGE("Error setPnoListNative: getting ssid"); 2222 return false; 2223 } 2224 int ssid_len = strnlen((const char*)ssid, 33); 2225 if (ssid_len > 32) { 2226 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 2227 return false; 2228 } 2229 2230 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 2231 { 2232 // strip leading and trailing '"' 2233 ssid++; 2234 ssid_len-=2; 2235 } 2236 if (ssid_len == 0) { 2237 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 2238 continue; 2239 } 2240 memcpy(params.networks[i].ssid, ssid, ssid_len); 2241 2242 params.networks[i].auth_bit_field = helper.getByteField(pno_net, "auth_bit_field"); 2243 params.networks[i].flags = helper.getByteField(pno_net, "flags"); 2244 ALOGD(" setPnoListNative: idx %u auth %x flags %x [%s]", i, 2245 params.networks[i].auth_bit_field, params.networks[i].flags, 2246 params.networks[i].ssid); 2247 } 2248 params.min5GHz_rssi = helper.getIntField(settings, "min5GHzRssi"); 2249 params.min24GHz_rssi = helper.getIntField(settings, "min24GHzRssi"); 2250 params.initial_score_max = helper.getIntField(settings, "initialScoreMax"); 2251 params.current_connection_bonus = helper.getIntField(settings, "currentConnectionBonus"); 2252 params.same_network_bonus = helper.getIntField(settings, "sameNetworkBonus"); 2253 params.secure_bonus = helper.getIntField(settings, "secureBonus"); 2254 params.band5GHz_bonus = helper.getIntField(settings, "band5GHzBonus"); 2255 params.num_networks = len; 2256 2257 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 2258 ALOGD(" setPnoListNative: result %d", result); 2259 2260 return result >= 0; 2261} 2262 2263static jboolean android_net_wifi_resetPnoListNative( 2264 JNIEnv *env, jclass cls, jint iface, jint id) { 2265 2266 JNIHelper helper(env); 2267 2268 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2269 ALOGD("reset ePno list request [%d] = %p", id, handle); 2270 2271 // stop pno 2272 int result = hal_fn.wifi_reset_epno_list(id, handle); 2273 ALOGD(" ressetPnoListNative: result = %d", result); 2274 return result >= 0; 2275} 2276 2277static jboolean android_net_wifi_setBssidBlacklist( 2278 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 2279 2280 JNIHelper helper(env); 2281 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2282 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 2283 2284 wifi_bssid_params params; 2285 memset(¶ms, 0, sizeof(params)); 2286 2287 if (list != NULL) { 2288 size_t len = helper.getArrayLength((jobjectArray)list); 2289 if (len > (size_t)MAX_BLACKLIST_BSSID) { 2290 return false; 2291 } 2292 for (unsigned int i = 0; i < len; i++) { 2293 2294 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 2295 if (jbssid == NULL) { 2296 ALOGE("configure BSSID blacklist: could not get element %d", i); 2297 continue; 2298 } 2299 2300 ScopedUtfChars chars(env, (jstring)jbssid.get()); 2301 const char *bssid = chars.c_str(); 2302 if (bssid == NULL) { 2303 ALOGE("Error getting bssid"); 2304 return false; 2305 } 2306 2307 mac_addr addr; 2308 parseMacAddress(bssid, addr); 2309 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2310 2311 char bssidOut[32]; 2312 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 2313 addr[2], addr[3], addr[4], addr[5]); 2314 2315 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2316 2317 params.num_bssid++; 2318 } 2319 } 2320 2321 ALOGD("Added %d bssids", params.num_bssid); 2322 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2323} 2324 2325static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2326 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2327 JNIHelper helper(env); 2328 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2329 ALOGD("Start packet offload [%d] = %p", idx, handle); 2330 wifi_error ret; 2331 wifi_request_id id = idx; 2332 2333 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2334 2335 byte * pkt_data = (byte*) pktBytes.get(); 2336 unsigned short pkt_len = env->GetArrayLength(pkt); 2337 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2338 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2339 int i; 2340 char macAddr[32]; 2341 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", src_mac_addr[0], src_mac_addr[1], 2342 src_mac_addr[2], src_mac_addr[3], src_mac_addr[4], src_mac_addr[5]); 2343 ALOGD("src_mac_addr %s", macAddr); 2344 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", dst_mac_addr[0], dst_mac_addr[1], 2345 dst_mac_addr[2], dst_mac_addr[3], dst_mac_addr[4], dst_mac_addr[5]); 2346 ALOGD("dst_mac_addr %s", macAddr); 2347 ALOGD("pkt_len %d\n", pkt_len); 2348 ALOGD("Pkt data : "); 2349 for(i = 0; i < pkt_len; i++) { 2350 ALOGD(" %x ", pkt_data[i]); 2351 } 2352 ALOGD("\n"); 2353 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2354 src_mac_addr, dst_mac_addr, period); 2355 ALOGD("ret= %d\n", ret); 2356 return ret; 2357} 2358 2359static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2360 jint iface, jint idx) { 2361 int ret; 2362 JNIHelper helper(env); 2363 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2364 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2365 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2366 ALOGD("ret= %d\n", ret); 2367 return ret; 2368} 2369 2370static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2371 2372 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2373 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2374 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2375 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2376 JNIHelper helper(mVM); 2377 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2378 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2379} 2380 2381static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2382 jint idx, jbyte maxRssi, jbyte minRssi) { 2383 2384 JNIHelper helper(env); 2385 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2386 ALOGD("Start Rssi monitoring = %p", handle); 2387 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2388 wifi_error ret; 2389 wifi_request_id id = idx; 2390 wifi_rssi_event_handler eh; 2391 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2392 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2393 return ret; 2394} 2395 2396static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2397 jint iface, jint idx) { 2398 JNIHelper helper(env); 2399 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2400 ALOGD("Stop Rssi monitoring = %p", handle); 2401 wifi_error ret; 2402 wifi_request_id id = idx; 2403 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2404 return ret; 2405} 2406 2407static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2408 2409 JNIHelper helper(env); 2410 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2411 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2412 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2413 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2414 wifi_error ret; 2415 2416 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2417 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2418 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2419 2420 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2421 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2422 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2423 2424 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2425 2426 if (ret != WIFI_SUCCESS) { 2427 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2428 return NULL; 2429 } 2430 2431 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2432 if (stats == NULL) { 2433 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2434 return NULL; 2435 } 2436 JNIObject<jintArray> cmd_wake_arr = 2437 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2438 if (cmd_wake_arr == NULL) { 2439 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2440 return NULL; 2441 } 2442 JNIObject<jintArray> local_wake_arr = 2443 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2444 if (local_wake_arr == NULL) { 2445 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2446 return NULL; 2447 } 2448 2449 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2450 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2451 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2452 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2453 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2454 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2455 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2456 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2457 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2458 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2459 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2460 helper.setIntField(stats, "ipv4RxMulticast", 2461 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2462 helper.setIntField(stats, "ipv6Multicast", 2463 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2464 helper.setIntField(stats, "otherRxMulticast", 2465 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2466 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2467 wake_reason_cnt.cmd_event_wake_cnt); 2468 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2469 wake_reason_cnt.driver_fw_local_wake_cnt); 2470 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2471 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2472 return stats.detach(); 2473} 2474 2475static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2476 JNIHelper helper(env); 2477 ALOGV("Reading kernel logs"); 2478 2479 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2480 if (size < 1) { 2481 ALOGD("no kernel logs"); 2482 return helper.newByteArray(0).detach(); 2483 } 2484 2485 char *buf = (char *)malloc(size); 2486 if (buf == NULL) { 2487 ALOGD("can't allocate temporary storage"); 2488 return helper.newByteArray(0).detach(); 2489 } 2490 2491 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2492 if (read < 0) { 2493 ALOGD("can't read logs - %d", read); 2494 free(buf); 2495 return helper.newByteArray(0).detach(); 2496 } else { 2497 ALOGV("read %d bytes", read); 2498 } 2499 2500 if (read != size) { 2501 ALOGV("read %d bytes, expecting %d", read, size); 2502 } 2503 2504 JNIObject<jbyteArray> result = helper.newByteArray(read); 2505 if (result.isNull()) { 2506 ALOGD("can't allocate array"); 2507 free(buf); 2508 return result.detach(); 2509 } 2510 2511 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2512 free(buf); 2513 return result.detach(); 2514} 2515 2516static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2517 jint iface, jboolean enable) { 2518 JNIHelper helper(env); 2519 return hal_fn.wifi_configure_nd_offload( 2520 getIfaceHandle(helper, cls, iface), 2521 static_cast<int>(enable)); 2522} 2523 2524 2525// ---------------------------------------------------------------------------- 2526 2527/* 2528 * JNI registration. 2529 */ 2530static JNINativeMethod gWifiMethods[] = { 2531 /* name, signature, funcPtr */ 2532 2533 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2534 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2535 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2536 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2537 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2538 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2539 { "closeSupplicantConnectionNative", "()V", 2540 (void *)android_net_wifi_closeSupplicantConnection }, 2541 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2542 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2543 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2544 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2545 (void*) android_net_wifi_doStringCommand }, 2546 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2547 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2548 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2549 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2550 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2551 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2552 (void *) android_net_wifi_getScanCapabilities}, 2553 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2554 (void*) android_net_wifi_startScan}, 2555 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2556 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2557 (void *) android_net_wifi_getScanResults}, 2558 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2559 (void*) android_net_wifi_setHotlist}, 2560 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2561 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2562 (void*) android_net_wifi_trackSignificantWifiChange}, 2563 { "untrackSignificantWifiChangeNative", "(II)Z", 2564 (void*) android_net_wifi_untrackSignificantWifiChange}, 2565 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2566 (void*) android_net_wifi_getLinkLayerStats}, 2567 { "setWifiLinkLayerStatsNative", "(II)V", 2568 (void*) android_net_wifi_setLinkLayerStats}, 2569 { "getSupportedFeatureSetNative", "(I)I", 2570 (void*) android_net_wifi_getSupportedFeatures}, 2571 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2572 (void*) android_net_wifi_requestRange}, 2573 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2574 (void*) android_net_wifi_cancelRange}, 2575 { "enableRttResponderNative", 2576 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2577 (void*) android_net_wifi_enableResponder}, 2578 { "disableRttResponderNative", "(II)Z", 2579 (void*) android_net_wifi_disableResponder}, 2580 2581 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2582 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2583 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2584 { "setInterfaceUpNative", "(Z)Z", (void*) android_net_wifi_set_interface_up}, 2585 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2586 (void*) android_net_wifi_get_rtt_capabilities}, 2587 { "getApfCapabilitiesNative", "(I)Landroid/net/apf/ApfCapabilities;", 2588 (void*) android_net_wifi_get_apf_capabilities}, 2589 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2590 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2591 (void*) android_net_wifi_set_Country_Code_Hal}, 2592 { "setPnoListNative", "(IILcom/android/server/wifi/WifiNative$PnoSettings;)Z", 2593 (void*) android_net_wifi_setPnoListNative}, 2594 { "resetPnoListNative", "(II)Z", (void*) android_net_wifi_resetPnoListNative}, 2595 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2596 (void*) android_net_wifi_enable_disable_tdls}, 2597 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2598 (void*) android_net_wifi_get_tdls_status}, 2599 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2600 (void*) android_net_wifi_get_tdls_capabilities}, 2601 {"getSupportedLoggerFeatureSetNative","(I)I", 2602 (void*) android_net_wifi_get_supported_logger_feature}, 2603 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2604 (void*) android_net_wifi_get_driver_version}, 2605 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2606 (void*) android_net_wifi_get_firmware_version}, 2607 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2608 (void*) android_net_wifi_get_ring_buffer_status}, 2609 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2610 (void*) android_net_wifi_start_logging_ring_buffer}, 2611 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2612 (void*) android_net_wifi_get_ring_buffer_data}, 2613 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2614 {"getDriverStateDumpNative","(I)[B", (void*) android_net_wifi_get_driver_state_dump}, 2615 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2616 (void*)android_net_wifi_setBssidBlacklist}, 2617 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2618 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2619 {"startPktFateMonitoringNative", "(I)I", (void*) android_net_wifi_start_pkt_fate_monitoring}, 2620 {"getTxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$TxFateReport;)I", 2621 (void*) android_net_wifi_get_tx_pkt_fates}, 2622 {"getRxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$RxFateReport;)I", 2623 (void*) android_net_wifi_get_rx_pkt_fates}, 2624 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2625 (void*)android_net_wifi_start_sending_offloaded_packet}, 2626 { "stopSendingOffloadedPacketNative", "(II)I", 2627 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2628 {"startRssiMonitoringNative", "(IIBB)I", 2629 (void*)android_net_wifi_start_rssi_monitoring_native}, 2630 {"stopRssiMonitoringNative", "(II)I", 2631 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2632 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2633 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2634 {"isGetChannelsForBandSupportedNative", "()Z", 2635 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2636 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2637 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2638}; 2639 2640/* User to register native functions */ 2641extern "C" 2642jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2643 // initialization needed for unit test APK 2644 JniConstants::init(env); 2645 2646 return jniRegisterNativeMethods(env, 2647 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2648} 2649 2650}; // namespace android 2651