com_android_server_wifi_WifiNative.cpp revision f8a283f4fc2f103fdf68062a50e516141d1e881d
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 <ctype.h> 20#include <stdlib.h> 21#include <sys/klog.h> 22#include <sys/socket.h> 23/* We need linux/if_arp.h for ARPHRD_ETHER. Sadly, it forward declares 24 struct sockaddr and must be included after sys/socket.h. */ 25#include <linux/if_arp.h> 26 27#include <algorithm> 28#include <limits> 29#include <vector> 30 31#include <hardware_legacy/rtt.h> 32#include <hardware_legacy/wifi.h> 33#include <hardware_legacy/wifi_hal.h> 34#include <log/log.h> 35#include <nativehelper/JniConstants.h> 36#include <nativehelper/ScopedBytes.h> 37#include <nativehelper/ScopedUtfChars.h> 38#include <nativehelper/jni.h> 39#include <utils/String16.h> 40#include <utils/misc.h> 41#include <wifi_system/wifi.h> 42 43#include "jni_helper.h" 44#include "wifi_hal_stub.h" 45#define REPLY_BUF_SIZE (4096 + 1) // wpa_supplicant's maximum size + 1 for nul 46#define EVENT_BUF_SIZE 2048 47#define WAKE_REASON_TYPE_MAX 10 48 49namespace android { 50 51extern "C" 52jint Java_com_android_server_wifi_WifiNative_registerNanNatives(JNIEnv* env, jclass clazz); 53 54static jint DBG = false; 55 56//Please put all HAL function call here and call from the function table instead of directly call 57wifi_hal_fn hal_fn; 58static bool doCommand(JNIEnv* env, jstring javaCommand, 59 char* reply, size_t reply_len) { 60 ScopedUtfChars command(env, javaCommand); 61 if (command.c_str() == NULL) { 62 return false; // ScopedUtfChars already threw on error. 63 } 64 65 if (DBG) { 66 ALOGD("doCommand: %s", command.c_str()); 67 } 68 69 --reply_len; // Ensure we have room to add NUL termination. 70 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 71 return false; 72 } 73 74 // Strip off trailing newline. 75 if (reply_len > 0 && reply[reply_len-1] == '\n') { 76 reply[reply_len-1] = '\0'; 77 } else { 78 reply[reply_len] = '\0'; 79 } 80 return true; 81} 82 83static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 84 char reply[REPLY_BUF_SIZE]; 85 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 86 return -1; 87 } 88 return static_cast<jint>(atoi(reply)); 89} 90 91static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 92 char reply[REPLY_BUF_SIZE]; 93 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 94 return JNI_FALSE; 95 } 96 jboolean result = (strcmp(reply, "OK") == 0); 97 if (!result) { 98 ScopedUtfChars command(env, javaCommand); 99 ALOGI("command '%s' returned '%s", command.c_str(), reply); 100 } 101 return result; 102} 103 104// Send a command to the supplicant, and return the reply as a String. 105static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 106 char reply[REPLY_BUF_SIZE]; 107 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 108 return NULL; 109 } 110 return env->NewStringUTF(reply); 111} 112 113static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jclass) 114{ 115 return (::is_wifi_driver_loaded() == 1); 116} 117 118static jboolean android_net_wifi_loadDriver(JNIEnv* env, jclass) 119{ 120 return (::wifi_load_driver() == 0); 121} 122 123static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jclass) 124{ 125 return (::wifi_unload_driver() == 0); 126} 127 128static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 129{ 130 return (::wifi_start_supplicant(p2pSupported) == 0); 131} 132 133static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 134{ 135 return (::wifi_stop_supplicant(p2pSupported) == 0); 136} 137 138static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jclass) 139{ 140 return (::wifi_connect_to_supplicant() == 0); 141} 142 143static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jclass) 144{ 145 ::wifi_close_supplicant_connection(); 146} 147 148static jstring android_net_wifi_waitForEvent(JNIEnv* env, jclass) 149{ 150 char buf[EVENT_BUF_SIZE]; 151 int nread = ::wifi_wait_for_event(buf, sizeof buf); 152 if (nread > 0) { 153 return env->NewStringUTF(buf); 154 } else { 155 return NULL; 156 } 157} 158 159static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jclass, jstring javaCommand) { 160 return doBooleanCommand(env, javaCommand); 161} 162 163static jint android_net_wifi_doIntCommand(JNIEnv* env, jclass, jstring javaCommand) { 164 return doIntCommand(env, javaCommand); 165} 166 167static jstring android_net_wifi_doStringCommand(JNIEnv* env, jclass, jstring javaCommand) { 168 return doStringCommand(env,javaCommand); 169} 170 171/* wifi_hal <==> WifiNative bridge */ 172 173static jclass mCls; /* saved WifiNative object */ 174static JavaVM *mVM; /* saved JVM pointer */ 175 176static const char *WifiHandleVarName = "sWifiHalHandle"; 177static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 178 179wifi_handle getWifiHandle(JNIHelper &helper, jclass cls) { 180 return (wifi_handle) helper.getStaticLongField(cls, WifiHandleVarName); 181} 182 183wifi_interface_handle getIfaceHandle(JNIHelper &helper, jclass cls, jint index) { 184 return (wifi_interface_handle) helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, index); 185} 186 187jboolean setSSIDField(JNIHelper helper, jobject scanResult, const char *rawSsid) { 188 189 int len = strlen(rawSsid); 190 191 if (len > 0) { 192 JNIObject<jbyteArray> ssidBytes = helper.newByteArray(len); 193 helper.setByteArrayRegion(ssidBytes, 0, len, (jbyte *) rawSsid); 194 jboolean ret = helper.callStaticMethod(mCls, 195 "setSsid", "([BLandroid/net/wifi/ScanResult;)Z", ssidBytes.get(), scanResult); 196 return ret; 197 } else { 198 //empty SSID or SSID start with \0 199 return true; 200 } 201} 202static JNIObject<jobject> createScanResult(JNIHelper &helper, wifi_scan_result *result, 203 bool fill_ie) { 204 // ALOGD("creating scan result"); 205 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 206 if (scanResult == NULL) { 207 ALOGE("Error in creating scan result"); 208 return JNIObject<jobject>(helper, NULL); 209 } 210 211 ALOGV("setting SSID to %s", result->ssid); 212 213 if (!setSSIDField(helper, scanResult, result->ssid)) { 214 ALOGE("Error on set SSID"); 215 return JNIObject<jobject>(helper, NULL); 216 } 217 218 char bssid[32]; 219 snprintf(bssid, sizeof(bssid), "%02x:%02x:%02x:%02x:%02x:%02x", 220 result->bssid[0], result->bssid[1], result->bssid[2], 221 result->bssid[3], result->bssid[4], result->bssid[5]); 222 223 helper.setStringField(scanResult, "BSSID", bssid); 224 225 helper.setIntField(scanResult, "level", result->rssi); 226 helper.setIntField(scanResult, "frequency", result->channel); 227 helper.setLongField(scanResult, "timestamp", result->ts); 228 229 if (fill_ie) { 230 JNIObject<jbyteArray> elements = helper.newByteArray(result->ie_length); 231 if (elements == NULL) { 232 ALOGE("Error in allocating elements array, length=%d", result->ie_length); 233 return JNIObject<jobject>(helper, NULL); 234 } 235 jbyte * bytes = (jbyte *)&(result->ie_data[0]); 236 helper.setByteArrayRegion(elements, 0, result->ie_length, bytes); 237 helper.setObjectField(scanResult, "bytes", "[B", elements); 238 } 239 240 return scanResult; 241} 242 243int set_iface_flags(const char *ifname, bool dev_up) { 244 struct ifreq ifr; 245 int ret; 246 int sock = socket(PF_INET, SOCK_DGRAM, 0); 247 if (sock < 0) { 248 ALOGD("Bad socket: %d\n", sock); 249 return -errno; 250 } 251 252 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 253 254 memset(&ifr, 0, sizeof(ifr)); 255 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 256 257 //ALOGD("reading old value\n"); 258 259 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 260 ret = errno ? -errno : -999; 261 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 262 close(sock); 263 return ret; 264 } else { 265 //ALOGD("writing new value\n"); 266 } 267 268 if (dev_up) { 269 if (ifr.ifr_flags & IFF_UP) { 270 // ALOGD("interface %s is already up\n", ifname); 271 close(sock); 272 return 0; 273 } 274 ifr.ifr_flags |= IFF_UP; 275 } else { 276 if (!(ifr.ifr_flags & IFF_UP)) { 277 // ALOGD("interface %s is already down\n", ifname); 278 close(sock); 279 return 0; 280 } 281 ifr.ifr_flags &= ~IFF_UP; 282 } 283 284 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 285 ALOGE("Could not set interface %s flags: %d\n", ifname, errno); 286 ret = errno ? -errno : -999; 287 close(sock); 288 return ret; 289 } else { 290 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 291 } 292 close(sock); 293 return 0; 294} 295 296static jboolean android_net_wifi_set_interface_up(JNIEnv* env, jclass cls, jboolean up) { 297 return (set_iface_flags("wlan0", (bool)up) == 0); 298} 299 300static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 301 JNIHelper helper(env); 302 wifi_handle halHandle = getWifiHandle(helper, cls); 303 if (halHandle == NULL) { 304 305 if(init_wifi_stub_hal_func_table(&hal_fn) != 0 ) { 306 ALOGE("Can not initialize the basic function pointer table"); 307 return false; 308 } 309 310 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 311 if (res != WIFI_SUCCESS) { 312 ALOGE("Can not initialize the vendor function pointer table"); 313 return false; 314 } 315 316 int ret = set_iface_flags("wlan0", true); 317 if(ret != 0) { 318 return false; 319 } 320 321 res = hal_fn.wifi_initialize(&halHandle); 322 if (res == WIFI_SUCCESS) { 323 helper.setStaticLongField(cls, WifiHandleVarName, (jlong)halHandle); 324 ALOGD("Did set static halHandle = %p", halHandle); 325 } 326 env->GetJavaVM(&mVM); 327 mCls = (jclass) env->NewGlobalRef(cls); 328 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 329 return res == WIFI_SUCCESS; 330 } else { 331 return (set_iface_flags("wlan0", true) == 0); 332 } 333} 334 335void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 336 ALOGD("In wifi cleaned up handler"); 337 338 JNIHelper helper(mVM); 339 helper.setStaticLongField(mCls, WifiHandleVarName, 0); 340 341 helper.deleteGlobalRef(mCls); 342 mCls = NULL; 343 mVM = NULL; 344} 345 346static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 347 ALOGD("In wifi stop Hal"); 348 349 JNIHelper helper(env); 350 wifi_handle halHandle = getWifiHandle(helper, cls); 351 if (halHandle == NULL) 352 return; 353 354 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 355 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 356} 357 358static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 359 360 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 361 362 JNIHelper helper(env); 363 wifi_handle halHandle = getWifiHandle(helper, cls); 364 hal_fn.wifi_event_loop(halHandle); 365 set_iface_flags("wlan0", false); 366} 367 368static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 369 int n = 0; 370 371 JNIHelper helper(env); 372 373 wifi_handle halHandle = getWifiHandle(helper, cls); 374 wifi_interface_handle *ifaceHandles = NULL; 375 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 376 if (result < 0) { 377 return result; 378 } 379 380 if (n < 0) { 381 THROW(helper,"android_net_wifi_getInterfaces no interfaces"); 382 return 0; 383 } 384 385 if (ifaceHandles == NULL) { 386 THROW(helper,"android_net_wifi_getInterfaces null interface array"); 387 return 0; 388 } 389 390 if (n > 8) { 391 THROW(helper,"Too many interfaces"); 392 return 0; 393 } 394 395 jlongArray array = (env)->NewLongArray(n); 396 if (array == NULL) { 397 THROW(helper,"Error in accessing array"); 398 return 0; 399 } 400 401 jlong elems[8]; 402 for (int i = 0; i < n; i++) { 403 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 404 } 405 406 helper.setLongArrayRegion(array, 0, n, elems); 407 helper.setStaticLongArrayField(cls, WifiIfaceHandleVarName, array); 408 409 return (result < 0) ? result : n; 410} 411 412static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 413 414 char buf[EVENT_BUF_SIZE]; 415 416 JNIHelper helper(env); 417 418 jlong value = helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, i); 419 wifi_interface_handle handle = (wifi_interface_handle) value; 420 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 421 if (result < 0) { 422 return NULL; 423 } else { 424 JNIObject<jstring> name = helper.newStringUTF(buf); 425 return name.detach(); 426 } 427} 428 429 430static void onScanEvent(wifi_request_id id, wifi_scan_event event) { 431 432 JNIHelper helper(mVM); 433 434 // ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 435 436 helper.reportEvent(mCls, "onScanStatus", "(II)V", id, event); 437} 438 439static void onFullScanResult(wifi_request_id id, wifi_scan_result *result, 440 unsigned buckets_scanned) { 441 442 JNIHelper helper(mVM); 443 444 //ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 445 446 JNIObject<jobject> scanResult = createScanResult(helper, result, true); 447 448 if (scanResult == NULL) { 449 return; 450 } 451 452 helper.reportEvent(mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;II)V", id, 453 scanResult.get(), buckets_scanned, (jint) result->capability); 454} 455 456static jboolean android_net_wifi_startScan( 457 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 458 459 JNIHelper helper(env); 460 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 461 // ALOGD("starting scan on interface[%d] = %p", iface, handle); 462 463 wifi_scan_cmd_params params; 464 memset(¶ms, 0, sizeof(params)); 465 466 params.base_period = helper.getIntField(settings, "base_period_ms"); 467 params.max_ap_per_scan = helper.getIntField(settings, "max_ap_per_scan"); 468 params.report_threshold_percent = helper.getIntField(settings, "report_threshold_percent"); 469 params.report_threshold_num_scans = helper.getIntField(settings, "report_threshold_num_scans"); 470 471 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 472 params.report_threshold_percent, params.report_threshold_num_scans); 473 474 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 475 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 476 477 params.num_buckets = helper.getIntField(settings, "num_buckets"); 478 479 // ALOGD("Initialized num_buckets to %d", params.num_buckets); 480 481 for (int i = 0; i < params.num_buckets; i++) { 482 JNIObject<jobject> bucket = helper.getObjectArrayField( 483 settings, "buckets", bucket_array_type, i); 484 485 params.buckets[i].bucket = helper.getIntField(bucket, "bucket"); 486 params.buckets[i].band = (wifi_band) helper.getIntField(bucket, "band"); 487 params.buckets[i].period = helper.getIntField(bucket, "period_ms"); 488 params.buckets[i].max_period = helper.getIntField(bucket, "max_period_ms"); 489 // Although HAL API allows configurable base value for the truncated 490 // exponential back off scan. Native API and above support only 491 // truncated binary exponential back off scan. 492 // Hard code value of base to 2 here. 493 params.buckets[i].base = 2; 494 params.buckets[i].step_count = helper.getIntField(bucket, "step_count"); 495 496 int report_events = helper.getIntField(bucket, "report_events"); 497 params.buckets[i].report_events = report_events; 498 499 if (DBG) { 500 ALOGD("bucket[%d] = %d:%d:%d:%d:%d:%d:%d", i, params.buckets[i].bucket, 501 params.buckets[i].band, params.buckets[i].period, 502 params.buckets[i].max_period, params.buckets[i].base, 503 params.buckets[i].step_count, report_events); 504 } 505 506 params.buckets[i].num_channels = helper.getIntField(bucket, "num_channels"); 507 // ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 508 509 for (int j = 0; j < params.buckets[i].num_channels; j++) { 510 JNIObject<jobject> channel = helper.getObjectArrayField( 511 bucket, "channels", channel_array_type, j); 512 513 params.buckets[i].channels[j].channel = helper.getIntField(channel, "frequency"); 514 params.buckets[i].channels[j].dwellTimeMs = helper.getIntField(channel, "dwell_time_ms"); 515 516 bool passive = helper.getBoolField(channel, "passive"); 517 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 518 519 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 520 } 521 } 522 523 // ALOGD("Initialized all fields"); 524 525 wifi_scan_result_handler handler; 526 memset(&handler, 0, sizeof(handler)); 527 handler.on_full_scan_result = &onFullScanResult; 528 handler.on_scan_event = &onScanEvent; 529 530 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 531} 532 533static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 534 535 JNIHelper helper(env); 536 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 537 // ALOGD("stopping scan on interface[%d] = %p", iface, handle); 538 539 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 540} 541 542static int compare_scan_result_timestamp(const void *v1, const void *v2) { 543 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 544 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 545 return result1->ts - result2->ts; 546} 547 548static jobject android_net_wifi_getScanResults( 549 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 550 551 JNIHelper helper(env); 552 wifi_cached_scan_results scan_data[64]; 553 int num_scan_data = 64; 554 555 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 556 // ALOGD("getting scan results on interface[%d] = %p", iface, handle); 557 558 byte b = flush ? 0xFF : 0; 559 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 560 if (result == WIFI_SUCCESS) { 561 JNIObject<jobjectArray> scanData = helper.createObjectArray( 562 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 563 if (scanData == NULL) { 564 ALOGE("Error in allocating array of scanData for getScanResults, length=%d", 565 num_scan_data); 566 return NULL; 567 } 568 569 for (int i = 0; i < num_scan_data; i++) { 570 571 JNIObject<jobject> data = helper.createObject("android/net/wifi/WifiScanner$ScanData"); 572 if (data == NULL) { 573 ALOGE("Error in allocating scanData for getScanResults"); 574 return NULL; 575 } 576 577 helper.setIntField(data, "mId", scan_data[i].scan_id); 578 helper.setIntField(data, "mFlags", scan_data[i].flags); 579 helper.setIntField(data, "mBucketsScanned", scan_data[i].buckets_scanned); 580 581 /* sort all scan results by timestamp */ 582 qsort(scan_data[i].results, scan_data[i].num_results, 583 sizeof(wifi_scan_result), compare_scan_result_timestamp); 584 585 JNIObject<jobjectArray> scanResults = helper.createObjectArray( 586 "android/net/wifi/ScanResult", scan_data[i].num_results); 587 if (scanResults == NULL) { 588 ALOGE("Error in allocating scanResult array for getScanResults, length=%d", 589 scan_data[i].num_results); 590 return NULL; 591 } 592 593 wifi_scan_result *results = scan_data[i].results; 594 for (int j = 0; j < scan_data[i].num_results; j++) { 595 596 JNIObject<jobject> scanResult = createScanResult(helper, &results[j], false); 597 if (scanResult == NULL) { 598 ALOGE("Error in creating scan result for getScanResults"); 599 return NULL; 600 } 601 602 helper.setObjectArrayElement(scanResults, j, scanResult); 603 } 604 605 helper.setObjectField(data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 606 helper.setObjectArrayElement(scanData, i, data); 607 } 608 609 // ALOGD("retrieved %d scan data from interface[%d] = %p", num_scan_data, iface, handle); 610 return scanData.detach(); 611 } else { 612 return NULL; 613 } 614} 615 616 617static jboolean android_net_wifi_getScanCapabilities( 618 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 619 620 JNIHelper helper(env); 621 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 622 // ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 623 624 wifi_gscan_capabilities c; 625 memset(&c, 0, sizeof(c)); 626 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 627 if (result != WIFI_SUCCESS) { 628 ALOGD("failed to get capabilities : %d", result); 629 return JNI_FALSE; 630 } 631 632 helper.setIntField(capabilities, "max_scan_cache_size", c.max_scan_cache_size); 633 helper.setIntField(capabilities, "max_scan_buckets", c.max_scan_buckets); 634 helper.setIntField(capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 635 helper.setIntField(capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 636 helper.setIntField(capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 637 helper.setIntField(capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 638 helper.setIntField(capabilities, "max_significant_wifi_change_aps", 639 c.max_significant_wifi_change_aps); 640 helper.setIntField(capabilities, "max_bssid_history_entries", c.max_bssid_history_entries); 641 helper.setIntField(capabilities, "max_number_epno_networks", c.max_number_epno_networks); 642 helper.setIntField(capabilities, "max_number_epno_networks_by_ssid", 643 c.max_number_epno_networks_by_ssid); 644 helper.setIntField(capabilities, "max_number_of_white_listed_ssid", 645 c.max_number_of_white_listed_ssid); 646 647 return JNI_TRUE; 648} 649 650 651static byte parseHexChar(char ch) { 652 if (isdigit(ch)) 653 return ch - '0'; 654 else if ('A' <= ch && ch <= 'F') 655 return ch - 'A' + 10; 656 else if ('a' <= ch && ch <= 'f') 657 return ch - 'a' + 10; 658 else { 659 ALOGE("invalid character in bssid %c", ch); 660 return 0; 661 } 662} 663 664static byte parseHexByte(const char * &str) { 665 if (str[0] == '\0') { 666 ALOGE("Passed an empty string"); 667 return 0; 668 } 669 byte b = parseHexChar(str[0]); 670 if (str[1] == '\0' || str[1] == ':') { 671 str ++; 672 } else { 673 b = b << 4 | parseHexChar(str[1]); 674 str += 2; 675 } 676 677 // Skip trailing delimiter if not at the end of the string. 678 if (str[0] != '\0') { 679 str++; 680 } 681 return b; 682} 683 684static void parseMacAddress(const char *str, mac_addr addr) { 685 addr[0] = parseHexByte(str); 686 addr[1] = parseHexByte(str); 687 addr[2] = parseHexByte(str); 688 addr[3] = parseHexByte(str); 689 addr[4] = parseHexByte(str); 690 addr[5] = parseHexByte(str); 691} 692 693static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 694 JNIHelper helper(env); 695 JNIObject<jstring> macAddrString = helper.getStringField(obj, "bssid"); 696 if (macAddrString == NULL) { 697 ALOGE("Error getting bssid field"); 698 return false; 699 } 700 701 ScopedUtfChars chars(env, macAddrString); 702 const char *bssid = chars.c_str(); 703 if (bssid == NULL) { 704 ALOGE("Error getting bssid"); 705 return false; 706 } 707 708 parseMacAddress(bssid, addr); 709 return true; 710} 711 712static void onHotlistApFound(wifi_request_id id, 713 unsigned num_results, wifi_scan_result *results) { 714 715 JNIHelper helper(mVM); 716 ALOGD("onHotlistApFound called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 717 718 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 719 "android/net/wifi/ScanResult", NULL); 720 if (scanResults == NULL) { 721 ALOGE("Error in allocating ScanResult array in onHotlistApFound, length=%d", num_results); 722 return; 723 } 724 725 for (unsigned i = 0; i < num_results; i++) { 726 727 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 728 if (scanResult == NULL) { 729 ALOGE("Error in creating scan result in onHotlistApFound"); 730 return; 731 } 732 733 helper.setObjectArrayElement(scanResults, i, scanResult); 734 735 ALOGD("Found AP %32s", results[i].ssid); 736 } 737 738 helper.reportEvent(mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 739 id, scanResults.get()); 740} 741 742static void onHotlistApLost(wifi_request_id id, 743 unsigned num_results, wifi_scan_result *results) { 744 745 JNIHelper helper(mVM); 746 ALOGD("onHotlistApLost called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 747 748 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 749 "android/net/wifi/ScanResult", NULL); 750 if (scanResults == NULL) { 751 ALOGE("Error in allocating ScanResult array onHotlistApLost, length=%d", num_results); 752 return; 753 } 754 755 for (unsigned i = 0; i < num_results; i++) { 756 757 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 758 if (scanResult == NULL) { 759 ALOGE("Error in creating scan result in onHotlistApLost"); 760 return; 761 } 762 763 helper.setObjectArrayElement(scanResults, i, scanResult); 764 765 ALOGD("Lost AP %32s", results[i].ssid); 766 } 767 768 helper.reportEvent(mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 769 id, scanResults.get()); 770} 771 772 773static jboolean android_net_wifi_setHotlist( 774 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 775 776 JNIHelper helper(env); 777 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 778 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 779 780 wifi_bssid_hotlist_params params; 781 memset(¶ms, 0, sizeof(params)); 782 783 params.lost_ap_sample_size = helper.getIntField(ap, "apLostThreshold"); 784 785 JNIObject<jobjectArray> array = helper.getArrayField( 786 ap, "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 787 params.num_bssid = helper.getArrayLength(array); 788 789 if (params.num_bssid == 0) { 790 ALOGE("setHotlist array length was 0"); 791 return false; 792 } 793 794 for (int i = 0; i < params.num_bssid; i++) { 795 JNIObject<jobject> objAp = helper.getObjectArrayElement(array, i); 796 797 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 798 if (macAddrString == NULL) { 799 ALOGE("Error getting bssid field"); 800 return false; 801 } 802 803 ScopedUtfChars chars(env, macAddrString); 804 const char *bssid = chars.c_str(); 805 if (bssid == NULL) { 806 ALOGE("Error getting bssid"); 807 return false; 808 } 809 parseMacAddress(bssid, params.ap[i].bssid); 810 811 mac_addr addr; 812 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 813 814 char bssidOut[32]; 815 snprintf(bssidOut, sizeof(bssidOut), "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], 816 addr[1], addr[2], addr[3], addr[4], addr[5]); 817 818 ALOGD("Added bssid %s", bssidOut); 819 820 params.ap[i].low = helper.getIntField(objAp, "low"); 821 params.ap[i].high = helper.getIntField(objAp, "high"); 822 } 823 824 wifi_hotlist_ap_found_handler handler; 825 memset(&handler, 0, sizeof(handler)); 826 827 handler.on_hotlist_ap_found = &onHotlistApFound; 828 handler.on_hotlist_ap_lost = &onHotlistApLost; 829 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 830} 831 832static jboolean android_net_wifi_resetHotlist(JNIEnv *env, jclass cls, jint iface, jint id) { 833 834 JNIHelper helper(env); 835 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 836 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 837 838 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 839} 840 841void onSignificantWifiChange(wifi_request_id id, 842 unsigned num_results, wifi_significant_change_result **results) { 843 844 JNIHelper helper(mVM); 845 846 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p", mVM, mCls); 847 848 JNIObject<jobjectArray> scanResults = helper.newObjectArray( 849 num_results, "android/net/wifi/ScanResult", NULL); 850 if (scanResults == NULL) { 851 ALOGE("Error in allocating ScanResult array in onSignificantWifiChange, length=%d", 852 num_results); 853 return; 854 } 855 856 for (unsigned i = 0; i < num_results; i++) { 857 858 wifi_significant_change_result &result = *(results[i]); 859 860 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 861 if (scanResult == NULL) { 862 ALOGE("Error in creating scan result in onSignificantWifiChange"); 863 return; 864 } 865 866 // helper.setStringField(scanResult, "SSID", results[i].ssid); 867 868 char bssid[32]; 869 snprintf(bssid, sizeof(bssid), "%02x:%02x:%02x:%02x:%02x:%02x", 870 result.bssid[0], result.bssid[1], result.bssid[2], 871 result.bssid[3], result.bssid[4], result.bssid[5]); 872 873 helper.setStringField(scanResult, "BSSID", bssid); 874 875 helper.setIntField(scanResult, "level", result.rssi[0]); 876 helper.setIntField(scanResult, "frequency", result.channel); 877 // helper.setLongField(scanResult, "timestamp", result.ts); 878 879 helper.setObjectArrayElement(scanResults, i, scanResult); 880 } 881 882 helper.reportEvent(mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 883 id, scanResults.get()); 884 885} 886 887static jboolean android_net_wifi_trackSignificantWifiChange( 888 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 889 890 JNIHelper helper(env); 891 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 892 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 893 894 wifi_significant_change_params params; 895 memset(¶ms, 0, sizeof(params)); 896 897 params.rssi_sample_size = helper.getIntField(settings, "rssiSampleSize"); 898 params.lost_ap_sample_size = helper.getIntField(settings, "lostApSampleSize"); 899 params.min_breaching = helper.getIntField(settings, "minApsBreachingThreshold"); 900 901 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 902 JNIObject<jobjectArray> bssids = helper.getArrayField( 903 settings, "bssidInfos", bssid_info_array_type); 904 params.num_bssid = helper.getArrayLength(bssids); 905 906 if (params.num_bssid == 0) { 907 ALOGE("BssidInfo array length was 0"); 908 return false; 909 } 910 911 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 912 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 913 914 for (int i = 0; i < params.num_bssid; i++) { 915 JNIObject<jobject> objAp = helper.getObjectArrayElement(bssids, i); 916 917 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 918 if (macAddrString == NULL) { 919 ALOGE("Error getting bssid field"); 920 return false; 921 } 922 923 ScopedUtfChars chars(env, macAddrString.get()); 924 const char *bssid = chars.c_str(); 925 if (bssid == NULL) { 926 ALOGE("Error getting bssid"); 927 return false; 928 } 929 930 mac_addr addr; 931 parseMacAddress(bssid, addr); 932 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 933 934 char bssidOut[32]; 935 snprintf(bssidOut, sizeof(bssidOut), "%02x:%02x:%02x:%02x:%02x:%02x", 936 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); 937 938 params.ap[i].low = helper.getIntField(objAp, "low"); 939 params.ap[i].high = helper.getIntField(objAp, "high"); 940 941 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 942 } 943 944 ALOGD("Added %d bssids", params.num_bssid); 945 946 wifi_significant_change_handler handler; 947 memset(&handler, 0, sizeof(handler)); 948 949 handler.on_significant_change = &onSignificantWifiChange; 950 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 951} 952 953static jboolean android_net_wifi_untrackSignificantWifiChange( 954 JNIEnv *env, jclass cls, jint iface, jint id) { 955 956 JNIHelper helper(env); 957 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 958 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 959 960 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 961} 962 963wifi_iface_stat link_stat; 964wifi_radio_stat radio_stat; // L release has support for only one radio 965u32 *tx_time_per_level_arr = 0; 966// Let's cache the supported feature set to avoid unnecessary HAL invocations. 967feature_set cached_feature_set = 0; 968 969bool isTxLevelStatsPresent(wifi_radio_stat *radio_stats) { 970 if (IS_SUPPORTED_FEATURE(WIFI_FEATURE_TX_TRANSMIT_POWER, cached_feature_set)) { 971 if(radio_stats->tx_time_per_levels != 0 && radio_stats->num_tx_levels > 0) { 972 return true; 973 } else { 974 ALOGE("Ignoring invalid tx_level info in radio_stats"); 975 } 976 } 977 return false; 978} 979 980void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 981 int num_radios, wifi_radio_stat *radio_stats) 982{ 983 if (iface_stat != 0) { 984 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 985 } else { 986 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 987 } 988 989 if (num_radios > 0 && radio_stats != 0) { 990 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 991 if (isTxLevelStatsPresent(radio_stats)) { 992 // This realloc should be a no-op after the first allocation because for a given 993 // device, the number of power levels should not change. 994 u32 arr_size = sizeof(u32) * radio_stats->num_tx_levels; 995 tx_time_per_level_arr = (u32 *)realloc(tx_time_per_level_arr, arr_size); 996 memcpy(tx_time_per_level_arr, radio_stats->tx_time_per_levels, arr_size); 997 radio_stat.tx_time_per_levels = tx_time_per_level_arr; 998 } else { 999 radio_stat.num_tx_levels = 0; 1000 radio_stat.tx_time_per_levels = 0; 1001 } 1002 } else { 1003 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1004 } 1005} 1006 1007static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 1008 JNIHelper helper(env); 1009 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1010 1011 wifi_link_layer_params params; 1012 params.aggressive_statistics_gathering = enable; 1013 params.mpdu_size_threshold = 128; 1014 1015 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 1016 1017 hal_fn.wifi_set_link_stats(handle, params); 1018} 1019 1020static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1021 1022 JNIHelper helper(env); 1023 wifi_stats_result_handler handler; 1024 memset(&handler, 0, sizeof(handler)); 1025 handler.on_link_stats_results = &onLinkStatsResults; 1026 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1027 int result; 1028 // Cache the features supported by the device to determine if tx level stats are present or not 1029 if (cached_feature_set == 0) { 1030 result = hal_fn.wifi_get_supported_feature_set(handle, &cached_feature_set); 1031 if (result != WIFI_SUCCESS) { 1032 cached_feature_set = 0; 1033 } 1034 } 1035 1036 result = hal_fn.wifi_get_link_stats(0, handle, handler); 1037 if (result < 0) { 1038 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1039 return NULL; 1040 } 1041 1042 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 1043 "android/net/wifi/WifiLinkLayerStats"); 1044 if (wifiLinkLayerStats == NULL) { 1045 ALOGE("Error in allocating wifiLinkLayerStats"); 1046 return NULL; 1047 } 1048 1049 JNIObject<jintArray> tx_time_per_level = helper.newIntArray(radio_stat.num_tx_levels); 1050 if (tx_time_per_level == NULL) { 1051 ALOGE("Error in allocating wifiLinkLayerStats"); 1052 return NULL; 1053 } 1054 1055 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1056 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1057 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1058 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1059 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1060 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1061 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1062 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1063 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1064 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1065 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1066 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1067 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1068 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1069 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1070 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1071 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1072 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1073 1074 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1075 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1076 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1077 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1078 if (radio_stat.tx_time_per_levels != 0) { 1079 helper.setIntArrayRegion(tx_time_per_level, 0, radio_stat.num_tx_levels, 1080 (jint *)radio_stat.tx_time_per_levels); 1081 } 1082 helper.setObjectField(wifiLinkLayerStats, "tx_time_per_level", "[I", tx_time_per_level); 1083 1084 1085 return wifiLinkLayerStats.detach(); 1086} 1087 1088static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1089 1090 JNIHelper helper(env); 1091 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1092 feature_set set = 0; 1093 1094 wifi_error result = WIFI_SUCCESS; 1095 /* 1096 set = WIFI_FEATURE_INFRA 1097 | WIFI_FEATURE_INFRA_5G 1098 | WIFI_FEATURE_HOTSPOT 1099 | WIFI_FEATURE_P2P 1100 | WIFI_FEATURE_SOFT_AP 1101 | WIFI_FEATURE_GSCAN 1102 | WIFI_FEATURE_PNO 1103 | WIFI_FEATURE_TDLS 1104 | WIFI_FEATURE_EPR; 1105 */ 1106 1107 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1108 if (result == WIFI_SUCCESS) { 1109 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1110 return set; 1111 } else { 1112 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1113 return 0; 1114 } 1115} 1116 1117static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1118 1119 JNIHelper helper(mVM); 1120 1121 ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1122 1123 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1124 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1125 if (rttResults == NULL) { 1126 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1127 return; 1128 } 1129 1130 for (unsigned i = 0; i < num_results; i++) { 1131 1132 wifi_rtt_result *result = results[i]; 1133 1134 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1135 if (rttResult == NULL) { 1136 ALOGE("Error in creating rtt result in onRttResults"); 1137 return; 1138 } 1139 1140 char bssid[32]; 1141 snprintf(bssid, sizeof(bssid), "%02x:%02x:%02x:%02x:%02x:%02x", 1142 result->addr[0], result->addr[1], result->addr[2], 1143 result->addr[3], result->addr[4], result->addr[5]); 1144 1145 helper.setStringField(rttResult, "bssid", bssid); 1146 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1147 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1148 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1149 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1150 helper.setIntField( rttResult, "status", result->status); 1151 helper.setIntField( rttResult, "measurementType", result->type); 1152 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1153 helper.setLongField(rttResult, "ts", result->ts); 1154 helper.setIntField( rttResult, "rssi", result->rssi); 1155 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1156 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1157 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1158 helper.setLongField(rttResult, "rtt", result->rtt); 1159 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1160 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1161 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1162 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1163 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1164 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1165 1166 JNIObject<jobject> LCI = helper.createObject( 1167 "android/net/wifi/RttManager$WifiInformationElement"); 1168 if (result->LCI != NULL && result->LCI->len > 0) { 1169 ALOGD("Add LCI in result"); 1170 helper.setByteField(LCI, "id", result->LCI->id); 1171 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1172 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1173 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1174 helper.setObjectField(LCI, "data", "[B", elements); 1175 } else { 1176 ALOGD("No LCI in result"); 1177 helper.setByteField(LCI, "id", (byte)(0xff)); 1178 } 1179 helper.setObjectField(rttResult, "LCI", 1180 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1181 1182 JNIObject<jobject> LCR = helper.createObject( 1183 "android/net/wifi/RttManager$WifiInformationElement"); 1184 if (result->LCR != NULL && result->LCR->len > 0) { 1185 ALOGD("Add LCR in result"); 1186 helper.setByteField(LCR, "id", result->LCR->id); 1187 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1188 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1189 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1190 helper.setObjectField(LCR, "data", "[B", elements); 1191 } else { 1192 ALOGD("No LCR in result"); 1193 helper.setByteField(LCR, "id", (byte)(0xff)); 1194 } 1195 helper.setObjectField(rttResult, "LCR", 1196 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1197 1198 helper.setObjectArrayElement(rttResults, i, rttResult); 1199 } 1200 1201 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1202 id, rttResults.get()); 1203} 1204 1205const int MaxRttConfigs = 16; 1206 1207static jboolean android_net_wifi_requestRange( 1208 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1209 1210 JNIHelper helper(env); 1211 1212 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1213 ALOGD("sending rtt request [%d] = %p", id, handle); 1214 if (params == NULL) { 1215 ALOGE("ranging params are empty"); 1216 return false; 1217 } 1218 1219 wifi_rtt_config configs[MaxRttConfigs]; 1220 memset(&configs, 0, sizeof(configs)); 1221 1222 int len = helper.getArrayLength((jobjectArray)params); 1223 if (len > MaxRttConfigs) { 1224 return false; 1225 } 1226 1227 for (int i = 0; i < len; i++) { 1228 1229 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1230 if (param == NULL) { 1231 ALOGD("could not get element %d", i); 1232 continue; 1233 } 1234 1235 wifi_rtt_config &config = configs[i]; 1236 1237 parseMacAddress(env, param, config.addr); 1238 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1239 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1240 config.channel.center_freq = helper.getIntField(param, "frequency"); 1241 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1242 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1243 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1244 1245 config.num_burst = helper.getIntField(param, "numberBurst"); 1246 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1247 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1248 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1249 "numRetriesPerMeasurementFrame"); 1250 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1251 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1252 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1253 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1254 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1255 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1256 1257 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1258 config.type,config.peer, config.channel.width, config.channel.center_freq); 1259 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1260 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1261 config.burst_period); 1262 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1263 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1264 config.num_retries_per_ftmr); 1265 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1266 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1267 config.bw); 1268 } 1269 1270 wifi_rtt_event_handler handler; 1271 handler.on_rtt_results = &onRttResults; 1272 1273 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1274} 1275 1276static jboolean android_net_wifi_cancelRange( 1277 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1278 1279 JNIHelper helper(env); 1280 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1281 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1282 1283 if (params == NULL) { 1284 ALOGE("ranging params are empty"); 1285 return false; 1286 } 1287 1288 mac_addr addrs[MaxRttConfigs]; 1289 memset(&addrs, 0, sizeof(addrs)); 1290 1291 int len = helper.getArrayLength((jobjectArray)params); 1292 if (len > MaxRttConfigs) { 1293 return false; 1294 } 1295 1296 for (int i = 0; i < len; i++) { 1297 1298 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1299 if (param == NULL) { 1300 ALOGD("could not get element %d", i); 1301 continue; 1302 } 1303 1304 parseMacAddress(env, param, addrs[i]); 1305 } 1306 1307 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1308} 1309 1310static jobject android_net_wifi_enableResponder( 1311 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1312 JNIHelper helper(env); 1313 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1314 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1315 wifi_channel_info channel; 1316 // Get channel information from HAL if it's not provided by caller. 1317 if (channel_hint == NULL) { 1318 wifi_rtt_responder responder_info_hint; 1319 bool status = hal_fn.wifi_rtt_get_responder_info(handle, &responder_info_hint); 1320 if (status != WIFI_SUCCESS) { 1321 ALOGE("could not get available channel for responder"); 1322 return NULL; 1323 } 1324 channel = responder_info_hint.channel; 1325 } else { 1326 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1327 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1328 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1329 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1330 } 1331 1332 if (DBG) { 1333 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1334 channel.width, channel.center_freq, channel.center_freq0); 1335 } 1336 1337 wifi_rtt_responder responder_info_used; 1338 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1339 &responder_info_used); 1340 if (status != WIFI_SUCCESS) { 1341 ALOGE("enabling responder mode failed"); 1342 return NULL; 1343 } 1344 wifi_channel_info channel_used = responder_info_used.channel; 1345 if (DBG) { 1346 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1347 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1348 } 1349 JNIObject<jobject> responderConfig = 1350 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1351 if (responderConfig == NULL) return NULL; 1352 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1353 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1354 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1355 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1356 helper.setIntField(responderConfig, "preamble", responder_info_used.preamble); 1357 return responderConfig.detach(); 1358} 1359 1360static jboolean android_net_wifi_disableResponder( 1361 JNIEnv *env, jclass cls, jint iface, jint id) { 1362 JNIHelper helper(env); 1363 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1364 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1365 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1366} 1367 1368 1369static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1370 jint iface, jbyteArray param) { 1371 1372 JNIHelper helper(env); 1373 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1374 ALOGD("setting scan oui %p", handle); 1375 1376 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1377 int len = helper.getArrayLength(param); 1378 if (len != oui_len) { 1379 ALOGE("invalid oui length %d", len); 1380 return false; 1381 } 1382 1383 ScopedBytesRW paramBytes(env, param); 1384 jbyte* bytes = paramBytes.get(); 1385 if (bytes == NULL) { 1386 ALOGE("failed to get setScanningMacOui param array"); 1387 return false; 1388 } 1389 1390 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1391} 1392 1393static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1394 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1395} 1396 1397static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1398 jint iface, jint band) { 1399 1400 JNIHelper helper(env); 1401 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1402 ALOGV("getting valid channels %p", handle); 1403 1404 static const int MaxChannels = 64; 1405 wifi_channel channels[64]; 1406 int num_channels = 0; 1407 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1408 channels, &num_channels); 1409 1410 if (result == WIFI_SUCCESS) { 1411 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1412 if (channelArray == NULL) { 1413 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1414 return NULL; 1415 } 1416 1417 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1418 return channelArray.detach(); 1419 } else { 1420 ALOGE("failed to get channel list : %d", result); 1421 return NULL; 1422 } 1423} 1424 1425static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1426 1427 JNIHelper helper(env); 1428 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1429 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1430 1431 u32 nodfs = dfs ? 0 : 1; 1432 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1433 return result == WIFI_SUCCESS; 1434} 1435 1436static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1437 1438 JNIHelper helper(env); 1439 wifi_rtt_capabilities rtt_capabilities; 1440 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1441 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1442 1443 if(WIFI_SUCCESS == ret) { 1444 JNIObject<jobject> capabilities = helper.createObject( 1445 "android/net/wifi/RttManager$RttCapabilities"); 1446 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1447 rtt_capabilities.rtt_one_sided_supported == 1); 1448 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1449 rtt_capabilities.rtt_ftm_supported == 1); 1450 helper.setBooleanField(capabilities, "lciSupported", 1451 rtt_capabilities.lci_support); 1452 helper.setBooleanField(capabilities, "lcrSupported", 1453 rtt_capabilities.lcr_support); 1454 helper.setIntField(capabilities, "preambleSupported", 1455 rtt_capabilities.preamble_support); 1456 helper.setIntField(capabilities, "bwSupported", 1457 rtt_capabilities.bw_support); 1458 helper.setBooleanField(capabilities, "responderSupported", 1459 rtt_capabilities.responder_supported == 1); 1460 if (DBG) { 1461 ALOGD("One side RTT is %s", rtt_capabilities.rtt_one_sided_supported == 1 ? 1462 "supported" : "not supported"); 1463 ALOGD("Two side RTT is %s", rtt_capabilities.rtt_ftm_supported == 1 ? 1464 "supported" : "not supported"); 1465 ALOGD("LCR is %s", rtt_capabilities.lcr_support == 1 ? "supported" : "not supported"); 1466 ALOGD("LCI is %s", rtt_capabilities.lci_support == 1 ? "supported" : "not supported"); 1467 ALOGD("Supported preamble is %d", rtt_capabilities.preamble_support); 1468 ALOGD("Supported bandwidth is %d", rtt_capabilities.bw_support); 1469 ALOGD("Sta responder is %s", 1470 rtt_capabilities.responder_supported == 1 ? "supported" : "not supported"); 1471 } 1472 return capabilities.detach(); 1473 } else { 1474 return NULL; 1475 } 1476} 1477 1478static jobject android_net_wifi_get_apf_capabilities(JNIEnv *env, jclass cls, 1479 jint iface) { 1480 1481 JNIHelper helper(env); 1482 u32 version = 0, max_len = 0; 1483 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1484 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1485 1486 if (WIFI_SUCCESS == ret) { 1487 // Cannot just use createObject() because members are final and initializer values must be 1488 // passed via ApfCapabilities(). 1489 JNIObject<jclass> apf_cls(helper, env->FindClass("android/net/apf/ApfCapabilities")); 1490 if (apf_cls == NULL) { 1491 ALOGE("Error in finding class android/net/apf/ApfCapabilities"); 1492 return NULL; 1493 } 1494 jmethodID constructor = env->GetMethodID(apf_cls, "<init>", "(III)V"); 1495 if (constructor == 0) { 1496 ALOGE("Error in constructor ID for android/net/apf/ApfCapabilities"); 1497 return NULL; 1498 } 1499 JNIObject<jobject> capabilities(helper, env->NewObject(apf_cls, constructor, version, 1500 max_len, ARPHRD_ETHER)); 1501 if (capabilities == NULL) { 1502 ALOGE("Could not create new object of android/net/apf/ApfCapabilities"); 1503 return NULL; 1504 } 1505 ALOGD("APF version supported: %d", version); 1506 ALOGD("Maximum APF program size: %d", max_len); 1507 return capabilities.detach(); 1508 } else { 1509 return NULL; 1510 } 1511} 1512 1513static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1514 jbyteArray jfilter) { 1515 1516 JNIHelper helper(env); 1517 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1518 const u32 filter_len = env->GetArrayLength(jfilter); 1519 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1520 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1521 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1522 return WIFI_SUCCESS == ret; 1523} 1524 1525static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1526 jstring country_code) { 1527 1528 JNIHelper helper(env); 1529 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1530 1531 ScopedUtfChars chars(env, country_code); 1532 const char *country = chars.c_str(); 1533 1534 ALOGD("set country code: %s", country); 1535 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1536 return res == WIFI_SUCCESS; 1537} 1538 1539static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1540 jboolean enable, jstring addr) { 1541 1542 JNIHelper helper(env); 1543 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1544 1545 mac_addr address; 1546 parseMacAddress(env, addr, address); 1547 wifi_tdls_handler tdls_handler; 1548 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1549 1550 if(enable) { 1551 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1552 } else { 1553 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1554 } 1555} 1556 1557static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1558 1559 JNIHelper helper(mVM); 1560 1561 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1562 1563 char mac[32]; 1564 snprintf(mac, sizeof(mac), "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], 1565 addr[1], addr[2], addr[3], addr[4], addr[5]); 1566 1567 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1568 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1569 mac_address.get(), status.state, status.reason); 1570 1571} 1572 1573static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1574 1575 JNIHelper helper(env); 1576 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1577 1578 mac_addr address; 1579 parseMacAddress(env, addr, address); 1580 1581 wifi_tdls_status status; 1582 1583 wifi_error ret; 1584 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1585 1586 if (ret != WIFI_SUCCESS) { 1587 return NULL; 1588 } else { 1589 JNIObject<jobject> tdls_status = helper.createObject( 1590 "com/android/server/wifi/WifiNative$TdlsStatus"); 1591 helper.setIntField(tdls_status, "channel", status.channel); 1592 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1593 helper.setIntField(tdls_status, "state", status.state); 1594 helper.setIntField(tdls_status, "reason", status.reason); 1595 return tdls_status.detach(); 1596 } 1597} 1598 1599static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1600 1601 JNIHelper helper(env); 1602 wifi_tdls_capabilities tdls_capabilities; 1603 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1604 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1605 1606 if (WIFI_SUCCESS == ret) { 1607 JNIObject<jobject> capabilities = helper.createObject( 1608 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1609 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1610 tdls_capabilities.max_concurrent_tdls_session_num); 1611 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1612 tdls_capabilities.is_global_tdls_supported == 1); 1613 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1614 tdls_capabilities.is_per_mac_tdls_supported == 1); 1615 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1616 tdls_capabilities.is_off_channel_tdls_supported); 1617 1618 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1619 tdls_capabilities.max_concurrent_tdls_session_num); 1620 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1621 "not support"); 1622 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1623 "not support"); 1624 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1625 "support" : "not support"); 1626 1627 return capabilities.detach(); 1628 } else { 1629 return NULL; 1630 } 1631} 1632 1633// ---------------------------------------------------------------------------- 1634// Debug framework 1635// ---------------------------------------------------------------------------- 1636static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1637 //Not implemented yet 1638 return -1; 1639} 1640 1641static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1642 //Need to be fixed. The memory should be allocated from lower layer 1643 //char *buffer = NULL; 1644 JNIHelper helper(env); 1645 int buffer_length = 256; 1646 char *buffer = (char *)malloc(buffer_length); 1647 if (!buffer) return NULL; 1648 memset(buffer, 0, buffer_length); 1649 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1650 1651 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1652 1653 if (handle == 0) { 1654 free(buffer); 1655 return NULL; 1656 } 1657 1658 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1659 1660 if (result == WIFI_SUCCESS) { 1661 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1662 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1663 free(buffer); 1664 return driver_version.detach(); 1665 } else { 1666 ALOGE("Fail to get driver version"); 1667 free(buffer); 1668 return NULL; 1669 } 1670} 1671 1672static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1673 1674 //char *buffer = NULL; 1675 JNIHelper helper(env); 1676 int buffer_length = 256; 1677 char *buffer = (char *)malloc(buffer_length); 1678 if (!buffer) return NULL; 1679 memset(buffer, 0, buffer_length); 1680 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1681 1682 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1683 1684 if (handle == 0) { 1685 free(buffer); 1686 return NULL; 1687 } 1688 1689 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1690 1691 if (result == WIFI_SUCCESS) { 1692 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1693 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1694 free(buffer); 1695 return firmware_version.detach(); 1696 } else { 1697 ALOGE("Fail to get Firmware version"); 1698 free(buffer); 1699 return NULL; 1700 } 1701} 1702 1703static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1704 1705 JNIHelper helper(env); 1706 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1707 1708 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1709 1710 if (handle == 0) { 1711 return NULL; 1712 } 1713 1714 //wifi_ring_buffer_status *status = NULL; 1715 u32 num_rings = 10; 1716 wifi_ring_buffer_status *status = 1717 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1718 if (!status) return NULL; 1719 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1720 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1721 if (result == WIFI_SUCCESS) { 1722 ALOGD("status is %p, number is %d", status, num_rings); 1723 1724 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1725 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1726 1727 wifi_ring_buffer_status *tmp = status; 1728 1729 for(u32 i = 0; i < num_rings; i++, tmp++) { 1730 1731 JNIObject<jobject> ringStatus = helper.createObject( 1732 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1733 1734 if (ringStatus == NULL) { 1735 ALOGE("Error in creating ringBufferStatus"); 1736 free(status); 1737 return NULL; 1738 } 1739 1740 char name[32]; 1741 for(int j = 0; j < 32; j++) { 1742 name[j] = tmp->name[j]; 1743 } 1744 1745 helper.setStringField(ringStatus, "name", name); 1746 helper.setIntField(ringStatus, "flag", tmp->flags); 1747 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1748 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1749 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1750 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1751 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1752 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1753 1754 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1755 } 1756 1757 free(status); 1758 return ringBuffersStatus.detach(); 1759 } else { 1760 free(status); 1761 return NULL; 1762 } 1763} 1764 1765static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1766 wifi_ring_buffer_status *status) { 1767 1768 if (!ring_name || !buffer || !status || 1769 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1770 ALOGE("Error input for on_ring_buffer_data!"); 1771 return; 1772 } 1773 1774 1775 JNIHelper helper(mVM); 1776 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1777 mCls, env, buffer_size); */ 1778 1779 JNIObject<jobject> ringStatus = helper.createObject( 1780 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1781 if (status == NULL) { 1782 ALOGE("Error in creating ringBufferStatus"); 1783 return; 1784 } 1785 1786 helper.setStringField(ringStatus, "name", ring_name); 1787 helper.setIntField(ringStatus, "flag", status->flags); 1788 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1789 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1790 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1791 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1792 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1793 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1794 1795 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1796 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1797 1798 helper.reportEvent(mCls,"onRingBufferData", 1799 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1800 ringStatus.get(), bytes.get()); 1801} 1802 1803static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1804 1805 JNIHelper helper(mVM); 1806 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1807 , mVM, mCls, buffer_size, err_code); 1808 1809 if (buffer_size > 0) { 1810 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1811 jbyte *bytes = (jbyte *) buffer; 1812 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1813 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1814 } else { 1815 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1816 } 1817} 1818 1819 1820static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1821 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1822 1823 JNIHelper helper(env); 1824 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1825 1826 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1827 1828 if (handle == 0) { 1829 return false; 1830 } 1831 1832 ScopedUtfChars chars(env, ring_name); 1833 const char* ring_name_const_char = chars.c_str(); 1834 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1835 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1836 1837 if (ret != WIFI_SUCCESS) { 1838 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1839 } else { 1840 ALOGD("start logging for ring %s", ring_name_const_char); 1841 } 1842 1843 return ret == WIFI_SUCCESS; 1844} 1845 1846static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1847 jstring ring_name) { 1848 1849 JNIHelper helper(env); 1850 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1851 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1852 1853 ScopedUtfChars chars(env, ring_name); 1854 const char* ring_name_const_char = chars.c_str(); 1855 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1856 return result == WIFI_SUCCESS; 1857} 1858 1859 1860static void on_firmware_memory_dump(char *buffer, int buffer_size) { 1861 1862 JNIHelper helper(mVM); 1863 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1864 , mVM, mCls, env, buffer_size); */ 1865 1866 if (buffer_size > 0) { 1867 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1868 jbyte *bytes = (jbyte *) (buffer); 1869 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1870 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1871 } 1872} 1873 1874static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1875 1876 JNIHelper helper(env); 1877 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1878 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1879 1880 if (handle == NULL) { 1881 ALOGE("Can not get wifi_interface_handle"); 1882 return false; 1883 } 1884 1885 wifi_firmware_memory_dump_handler fw_dump_handle; 1886 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1887 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1888 return result == WIFI_SUCCESS; 1889 1890} 1891 1892std::vector<jbyte>* driver_state_dump_buffer_for_callback = nullptr; 1893 1894static void on_driver_state_dump(char *buffer, int buffer_size); 1895static wifi_driver_memory_dump_callbacks driver_state_dump_callbacks = { 1896 on_driver_state_dump 1897}; 1898 1899static void on_driver_state_dump(char *buffer, int buffer_size) { 1900 1901 if (!driver_state_dump_buffer_for_callback) { 1902 ALOGE("Unexpected call from HAL implementation, into %s", __func__); 1903 return; 1904 } 1905 1906 if (buffer_size > 0) { 1907 driver_state_dump_buffer_for_callback->insert( 1908 driver_state_dump_buffer_for_callback->end(), buffer, buffer + buffer_size); 1909 } 1910} 1911 1912// TODO(quiche): Add unit tests. b/28072392 1913static jbyteArray android_net_wifi_get_driver_state_dump(JNIEnv *env, jclass cls, jint iface){ 1914 1915 JNIHelper helper(env); 1916 wifi_interface_handle interface_handle = getIfaceHandle(helper, cls, iface); 1917 1918 if (!interface_handle) { 1919 return nullptr; 1920 } 1921 1922 int result; 1923 std::vector<jbyte> state_dump_buffer_local; 1924 driver_state_dump_buffer_for_callback = &state_dump_buffer_local; 1925 result = hal_fn.wifi_get_driver_memory_dump(interface_handle, driver_state_dump_callbacks); 1926 driver_state_dump_buffer_for_callback = nullptr; 1927 1928 if (result != WIFI_SUCCESS) { 1929 ALOGW("HAL's wifi_get_driver_memory_dump returned %d", result); 1930 return nullptr; 1931 } 1932 1933 if (state_dump_buffer_local.empty()) { 1934 ALOGW("HAL's wifi_get_driver_memory_dump provided zero bytes"); 1935 return nullptr; 1936 } 1937 1938 const size_t dump_size = state_dump_buffer_local.size(); 1939 JNIObject<jbyteArray> driver_dump_java = helper.newByteArray(dump_size); 1940 if (!driver_dump_java) { 1941 ALOGW("Failed to allocate Java buffer for driver state dump"); 1942 return nullptr; 1943 } 1944 1945 helper.setByteArrayRegion(driver_dump_java, 0, dump_size, state_dump_buffer_local.data()); 1946 return driver_dump_java.detach(); 1947} 1948 1949static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1950 1951 JNIHelper helper(env); 1952 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1953 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1954 1955 //initialize the handler on first time 1956 wifi_ring_buffer_data_handler handler; 1957 handler.on_ring_buffer_data = &on_ring_buffer_data; 1958 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1959 if (result != WIFI_SUCCESS) { 1960 ALOGE("Fail to set logging handler"); 1961 return false; 1962 } 1963 1964 //set alter handler This will start alert too 1965 wifi_alert_handler alert_handler; 1966 alert_handler.on_alert = &on_alert_data; 1967 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1968 if (result != WIFI_SUCCESS) { 1969 ALOGE(" Fail to set alert handler"); 1970 return false; 1971 } 1972 1973 return true; 1974} 1975 1976static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1977 1978 JNIHelper helper(env); 1979 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1980 1981 //reset alter handler 1982 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1983 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1984 if (result != WIFI_SUCCESS) { 1985 ALOGE(" Fail to reset alert handler"); 1986 return false; 1987 } 1988 1989 //reset log handler 1990 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1991 result = hal_fn.wifi_reset_log_handler(id, handle); 1992 if (result != WIFI_SUCCESS) { 1993 ALOGE("Fail to reset logging handler"); 1994 return false; 1995 } 1996 1997 return true; 1998} 1999 2000static jint android_net_wifi_start_pkt_fate_monitoring(JNIEnv *env, jclass cls, jint iface) { 2001 2002 JNIHelper helper(env); 2003 return hal_fn.wifi_start_pkt_fate_monitoring( 2004 getIfaceHandle(helper, cls, iface)); 2005} 2006 2007// Helper for make_default_fate(). 2008template<typename T> void set_to_max(T* value) { 2009 if (!value) { 2010 return; 2011 } 2012 *value = std::numeric_limits<T>::max(); 2013} 2014 2015// make_default_fate() has two purposes: 2016// 1) Minimize the chances of data leakage. In case the HAL gives us an overlong long |frame_len|, 2017// for example, we want to return zeros, rather than other data from this process. 2018// 2) Make it obvious when the HAL doesn't set a field. We accomplish this by setting fields 2019// to "impossible" values, where possible. 2020// Normally, such work would be done in a ctor. However, doing so would make the HAL API 2021// incompatible with C. So we use a free-standing function instead. 2022// 2023// TODO(quiche): Add unit test for this function. b/27726696 2024template<typename FateReportT> FateReportT make_default_fate() { 2025 2026 FateReportT fate_report; 2027 set_to_max(&fate_report.fate); 2028 std::fill(std::begin(fate_report.md5_prefix), std::end(fate_report.md5_prefix), 0); 2029 set_to_max(&fate_report.frame_inf.payload_type); 2030 fate_report.frame_inf.frame_len = 0; 2031 fate_report.frame_inf.driver_timestamp_usec = 0; 2032 fate_report.frame_inf.firmware_timestamp_usec = 0; 2033 std::fill(std::begin(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 2034 std::end(fate_report.frame_inf.frame_content.ieee_80211_mgmt_bytes), 0); 2035 return fate_report; 2036} 2037 2038// TODO(quiche): Add unit test for this function. b/27726696 2039template<typename FateReportT, typename HalFateFetcherT> wifi_error get_pkt_fates( 2040 HalFateFetcherT fate_fetcher_func, const char *java_fate_type, 2041 JNIEnv *env, jclass cls, jint iface, jobjectArray reports) { 2042 2043 JNIHelper helper(env); 2044 const size_t n_reports_wanted = 2045 std::min(helper.getArrayLength(reports), MAX_FATE_LOG_LEN); 2046 2047 std::vector<FateReportT> report_bufs(n_reports_wanted, make_default_fate<FateReportT>()); 2048 size_t n_reports_provided = 0; 2049 wifi_error result = fate_fetcher_func( 2050 getIfaceHandle(helper, cls, iface), 2051 report_bufs.data(), 2052 n_reports_wanted, 2053 &n_reports_provided); 2054 if (result != WIFI_SUCCESS) { 2055 return result; 2056 } 2057 2058 if (n_reports_provided > n_reports_wanted) { 2059 LOG_ALWAYS_FATAL( 2060 "HAL data exceeds request; memory may be corrupt (provided: %zu, requested: %zu)", 2061 n_reports_provided, n_reports_wanted); 2062 } 2063 2064 for (size_t i = 0; i < n_reports_provided; ++i) { 2065 const FateReportT& report(report_bufs[i]); 2066 2067 const char *frame_bytes_native = nullptr; 2068 size_t max_frame_len; 2069 switch (report.frame_inf.payload_type) { 2070 case FRAME_TYPE_UNKNOWN: 2071 case FRAME_TYPE_ETHERNET_II: 2072 max_frame_len = MAX_FRAME_LEN_ETHERNET; 2073 frame_bytes_native = report.frame_inf.frame_content.ethernet_ii_bytes; 2074 break; 2075 case FRAME_TYPE_80211_MGMT: 2076 max_frame_len = MAX_FRAME_LEN_80211_MGMT; 2077 frame_bytes_native = report.frame_inf.frame_content.ieee_80211_mgmt_bytes; 2078 break; 2079 default: 2080 max_frame_len = 0; 2081 frame_bytes_native = 0; 2082 } 2083 2084 size_t copy_len = report.frame_inf.frame_len; 2085 if (copy_len > max_frame_len) { 2086 ALOGW("Overly long frame (len: %zu, max: %zu)", copy_len, max_frame_len); 2087 copy_len = max_frame_len; 2088 } 2089 2090 JNIObject<jbyteArray> frame_bytes_java = helper.newByteArray(copy_len); 2091 if (frame_bytes_java.isNull()) { 2092 ALOGE("Failed to allocate frame data buffer"); 2093 return WIFI_ERROR_OUT_OF_MEMORY; 2094 } 2095 helper.setByteArrayRegion(frame_bytes_java, 0, copy_len, 2096 reinterpret_cast<const jbyte *>(frame_bytes_native)); 2097 2098 JNIObject<jobject> fate_report = helper.createObjectWithArgs( 2099 java_fate_type, 2100 "(BJB[B)V", // byte, long, byte, byte array 2101 static_cast<jbyte>(report.fate), 2102 static_cast<jlong>(report.frame_inf.driver_timestamp_usec), 2103 static_cast<jbyte>(report.frame_inf.payload_type), 2104 frame_bytes_java.get()); 2105 if (fate_report.isNull()) { 2106 ALOGE("Failed to create %s", java_fate_type); 2107 return WIFI_ERROR_OUT_OF_MEMORY; 2108 } 2109 helper.setObjectArrayElement(reports, i, fate_report); 2110 } 2111 2112 return result; 2113} 2114 2115static jint android_net_wifi_get_tx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2116 jobjectArray reports) { 2117 2118 return get_pkt_fates<wifi_tx_report>( 2119 hal_fn.wifi_get_tx_pkt_fates, "com/android/server/wifi/WifiNative$TxFateReport", 2120 env, cls, iface, reports); 2121} 2122 2123static jint android_net_wifi_get_rx_pkt_fates(JNIEnv *env, jclass cls, jint iface, 2124 jobjectArray reports) { 2125 2126 return get_pkt_fates<wifi_rx_report>( 2127 hal_fn.wifi_get_rx_pkt_fates, "com/android/server/wifi/WifiNative$RxFateReport", 2128 env, cls, iface, reports); 2129} 2130 2131// ---------------------------------------------------------------------------- 2132// ePno framework 2133// ---------------------------------------------------------------------------- 2134 2135 2136static void onPnoNetworkFound(wifi_request_id id, 2137 unsigned num_results, wifi_scan_result *results) { 2138 JNIHelper helper(mVM); 2139 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 2140 2141 if (results == NULL || num_results == 0) { 2142 ALOGE("onPnoNetworkFound: Error no results"); 2143 return; 2144 } 2145 2146 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 2147 "android/net/wifi/ScanResult", NULL); 2148 if (scanResults == NULL) { 2149 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 2150 return; 2151 } 2152 2153 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 2154 if (beaconCaps == NULL) { 2155 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 2156 return; 2157 } 2158 2159 for (unsigned i=0; i<num_results; i++) { 2160 2161 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 2162 if (scanResult == NULL) { 2163 ALOGE("Error in creating scan result"); 2164 return; 2165 } 2166 2167 helper.setObjectArrayElement(scanResults, i, scanResult); 2168 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 2169 2170 if (DBG) { 2171 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 2172 results->ie_length, i, results[i].ssid, results[i].rssi, 2173 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 2174 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 2175 } 2176 } 2177 2178 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 2179 scanResults.get(), beaconCaps.get()); 2180} 2181 2182static jboolean android_net_wifi_setPnoListNative( 2183 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 2184 2185 JNIHelper helper(env); 2186 wifi_epno_handler handler; 2187 handler.on_network_found = &onPnoNetworkFound; 2188 2189 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2190 ALOGD("configure ePno list request [%d] = %p", id, handle); 2191 2192 if (settings == NULL) { 2193 return false; 2194 } 2195 2196 JNIObject<jobjectArray> list = helper.getArrayField(settings, "networkList", 2197 "[Lcom/android/server/wifi/WifiNative$PnoNetwork;"); 2198 if (list == NULL) { 2199 return false; 2200 } 2201 2202 size_t len = helper.getArrayLength(list); 2203 if (len > (size_t)MAX_EPNO_NETWORKS) { 2204 return false; 2205 } 2206 2207 wifi_epno_params params; 2208 memset(¶ms, 0, sizeof(params)); 2209 2210 for (unsigned int i = 0; i < len; i++) { 2211 2212 JNIObject<jobject> pno_net = helper.getObjectArrayElement(list, i); 2213 if (pno_net == NULL) { 2214 ALOGE("setPnoListNative: could not get element %d", i); 2215 continue; 2216 } 2217 2218 JNIObject<jstring> sssid = helper.getStringField(pno_net, "ssid"); 2219 if (sssid == NULL) { 2220 ALOGE("Error setPnoListNative: getting ssid field"); 2221 return false; 2222 } 2223 2224 ScopedUtfChars chars(env, (jstring)sssid.get()); 2225 const char *ssid = chars.c_str(); 2226 if (ssid == NULL) { 2227 ALOGE("Error setPnoListNative: getting ssid"); 2228 return false; 2229 } 2230 int ssid_len = strnlen((const char*)ssid, 33); 2231 if (ssid_len > 32) { 2232 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 2233 return false; 2234 } 2235 2236 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 2237 { 2238 // strip leading and trailing '"' 2239 ssid++; 2240 ssid_len-=2; 2241 } 2242 if (ssid_len == 0) { 2243 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 2244 continue; 2245 } 2246 memcpy(params.networks[i].ssid, ssid, ssid_len); 2247 2248 params.networks[i].auth_bit_field = helper.getByteField(pno_net, "auth_bit_field"); 2249 params.networks[i].flags = helper.getByteField(pno_net, "flags"); 2250 ALOGD(" setPnoListNative: idx %u auth %x flags %x [%s]", i, 2251 params.networks[i].auth_bit_field, params.networks[i].flags, 2252 params.networks[i].ssid); 2253 } 2254 params.min5GHz_rssi = helper.getIntField(settings, "min5GHzRssi"); 2255 params.min24GHz_rssi = helper.getIntField(settings, "min24GHzRssi"); 2256 params.initial_score_max = helper.getIntField(settings, "initialScoreMax"); 2257 params.current_connection_bonus = helper.getIntField(settings, "currentConnectionBonus"); 2258 params.same_network_bonus = helper.getIntField(settings, "sameNetworkBonus"); 2259 params.secure_bonus = helper.getIntField(settings, "secureBonus"); 2260 params.band5GHz_bonus = helper.getIntField(settings, "band5GHzBonus"); 2261 params.num_networks = len; 2262 2263 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 2264 ALOGD(" setPnoListNative: result %d", result); 2265 2266 return result >= 0; 2267} 2268 2269static jboolean android_net_wifi_resetPnoListNative( 2270 JNIEnv *env, jclass cls, jint iface, jint id) { 2271 2272 JNIHelper helper(env); 2273 2274 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2275 ALOGD("reset ePno list request [%d] = %p", id, handle); 2276 2277 // stop pno 2278 int result = hal_fn.wifi_reset_epno_list(id, handle); 2279 ALOGD(" ressetPnoListNative: result = %d", result); 2280 return result >= 0; 2281} 2282 2283static jboolean android_net_wifi_setBssidBlacklist( 2284 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 2285 2286 JNIHelper helper(env); 2287 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2288 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 2289 2290 wifi_bssid_params params; 2291 memset(¶ms, 0, sizeof(params)); 2292 2293 if (list != NULL) { 2294 size_t len = helper.getArrayLength((jobjectArray)list); 2295 if (len > (size_t)MAX_BLACKLIST_BSSID) { 2296 return false; 2297 } 2298 for (unsigned int i = 0; i < len; i++) { 2299 2300 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 2301 if (jbssid == NULL) { 2302 ALOGE("configure BSSID blacklist: could not get element %d", i); 2303 continue; 2304 } 2305 2306 ScopedUtfChars chars(env, (jstring)jbssid.get()); 2307 const char *bssid = chars.c_str(); 2308 if (bssid == NULL) { 2309 ALOGE("Error getting bssid"); 2310 return false; 2311 } 2312 2313 mac_addr addr; 2314 parseMacAddress(bssid, addr); 2315 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2316 2317 char bssidOut[32]; 2318 snprintf(bssidOut, sizeof(bssidOut), "%0x:%0x:%0x:%0x:%0x:%0x", 2319 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); 2320 2321 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2322 2323 params.num_bssid++; 2324 } 2325 } 2326 2327 ALOGD("Added %d bssids", params.num_bssid); 2328 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2329} 2330 2331static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2332 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2333 JNIHelper helper(env); 2334 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2335 ALOGD("Start packet offload [%d] = %p", idx, handle); 2336 wifi_error ret; 2337 wifi_request_id id = idx; 2338 2339 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2340 2341 byte * pkt_data = (byte*) pktBytes.get(); 2342 unsigned short pkt_len = env->GetArrayLength(pkt); 2343 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2344 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2345 int i; 2346 char macAddr[32]; 2347 snprintf(macAddr, sizeof(macAddr), "%0x:%0x:%0x:%0x:%0x:%0x", 2348 src_mac_addr[0], src_mac_addr[1], src_mac_addr[2], src_mac_addr[3], 2349 src_mac_addr[4], src_mac_addr[5]); 2350 ALOGD("src_mac_addr %s", macAddr); 2351 snprintf(macAddr, sizeof(macAddr), "%0x:%0x:%0x:%0x:%0x:%0x", 2352 dst_mac_addr[0], dst_mac_addr[1], dst_mac_addr[2], dst_mac_addr[3], 2353 dst_mac_addr[4], dst_mac_addr[5]); 2354 ALOGD("dst_mac_addr %s", macAddr); 2355 ALOGD("pkt_len %d\n", pkt_len); 2356 ALOGD("Pkt data : "); 2357 for(i = 0; i < pkt_len; i++) { 2358 ALOGD(" %x ", pkt_data[i]); 2359 } 2360 ALOGD("\n"); 2361 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2362 src_mac_addr, dst_mac_addr, period); 2363 ALOGD("ret= %d\n", ret); 2364 return ret; 2365} 2366 2367static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2368 jint iface, jint idx) { 2369 int ret; 2370 JNIHelper helper(env); 2371 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2372 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2373 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2374 ALOGD("ret= %d\n", ret); 2375 return ret; 2376} 2377 2378static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2379 2380 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2381 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2382 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2383 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2384 JNIHelper helper(mVM); 2385 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2386 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2387} 2388 2389static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2390 jint idx, jbyte maxRssi, jbyte minRssi) { 2391 2392 JNIHelper helper(env); 2393 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2394 ALOGD("Start Rssi monitoring = %p", handle); 2395 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2396 wifi_error ret; 2397 wifi_request_id id = idx; 2398 wifi_rssi_event_handler eh; 2399 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2400 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2401 return ret; 2402} 2403 2404static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2405 jint iface, jint idx) { 2406 JNIHelper helper(env); 2407 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2408 ALOGD("Stop Rssi monitoring = %p", handle); 2409 wifi_error ret; 2410 wifi_request_id id = idx; 2411 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2412 return ret; 2413} 2414 2415static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2416 2417 JNIHelper helper(env); 2418 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2419 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2420 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2421 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2422 wifi_error ret; 2423 2424 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2425 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2426 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2427 2428 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2429 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2430 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2431 2432 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2433 2434 if (ret != WIFI_SUCCESS) { 2435 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2436 return NULL; 2437 } 2438 2439 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2440 if (stats == NULL) { 2441 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2442 return NULL; 2443 } 2444 JNIObject<jintArray> cmd_wake_arr = 2445 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2446 if (cmd_wake_arr == NULL) { 2447 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2448 return NULL; 2449 } 2450 JNIObject<jintArray> local_wake_arr = 2451 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2452 if (local_wake_arr == NULL) { 2453 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2454 return NULL; 2455 } 2456 2457 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2458 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2459 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2460 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2461 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2462 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2463 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2464 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2465 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2466 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2467 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2468 helper.setIntField(stats, "ipv4RxMulticast", 2469 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2470 helper.setIntField(stats, "ipv6Multicast", 2471 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2472 helper.setIntField(stats, "otherRxMulticast", 2473 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2474 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2475 wake_reason_cnt.cmd_event_wake_cnt); 2476 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2477 wake_reason_cnt.driver_fw_local_wake_cnt); 2478 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2479 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2480 return stats.detach(); 2481} 2482 2483static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2484 JNIHelper helper(env); 2485 ALOGV("Reading kernel logs"); 2486 2487 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2488 if (size < 1) { 2489 ALOGD("no kernel logs"); 2490 return helper.newByteArray(0).detach(); 2491 } 2492 2493 char *buf = (char *)malloc(size); 2494 if (buf == NULL) { 2495 ALOGD("can't allocate temporary storage"); 2496 return helper.newByteArray(0).detach(); 2497 } 2498 2499 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2500 if (read < 0) { 2501 ALOGD("can't read logs - %d", read); 2502 free(buf); 2503 return helper.newByteArray(0).detach(); 2504 } else { 2505 ALOGV("read %d bytes", read); 2506 } 2507 2508 if (read != size) { 2509 ALOGV("read %d bytes, expecting %d", read, size); 2510 } 2511 2512 JNIObject<jbyteArray> result = helper.newByteArray(read); 2513 if (result.isNull()) { 2514 ALOGD("can't allocate array"); 2515 free(buf); 2516 return result.detach(); 2517 } 2518 2519 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2520 free(buf); 2521 return result.detach(); 2522} 2523 2524static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2525 jint iface, jboolean enable) { 2526 JNIHelper helper(env); 2527 return hal_fn.wifi_configure_nd_offload( 2528 getIfaceHandle(helper, cls, iface), 2529 static_cast<int>(enable)); 2530} 2531 2532 2533// ---------------------------------------------------------------------------- 2534 2535/* 2536 * JNI registration. 2537 */ 2538static JNINativeMethod gWifiMethods[] = { 2539 /* name, signature, funcPtr */ 2540 2541 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2542 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2543 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2544 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2545 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2546 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2547 { "closeSupplicantConnectionNative", "()V", 2548 (void *)android_net_wifi_closeSupplicantConnection }, 2549 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2550 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2551 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2552 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2553 (void*) android_net_wifi_doStringCommand }, 2554 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2555 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2556 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2557 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2558 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2559 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2560 (void *) android_net_wifi_getScanCapabilities}, 2561 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2562 (void*) android_net_wifi_startScan}, 2563 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2564 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2565 (void *) android_net_wifi_getScanResults}, 2566 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2567 (void*) android_net_wifi_setHotlist}, 2568 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2569 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2570 (void*) android_net_wifi_trackSignificantWifiChange}, 2571 { "untrackSignificantWifiChangeNative", "(II)Z", 2572 (void*) android_net_wifi_untrackSignificantWifiChange}, 2573 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2574 (void*) android_net_wifi_getLinkLayerStats}, 2575 { "setWifiLinkLayerStatsNative", "(II)V", 2576 (void*) android_net_wifi_setLinkLayerStats}, 2577 { "getSupportedFeatureSetNative", "(I)I", 2578 (void*) android_net_wifi_getSupportedFeatures}, 2579 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2580 (void*) android_net_wifi_requestRange}, 2581 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2582 (void*) android_net_wifi_cancelRange}, 2583 { "enableRttResponderNative", 2584 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2585 (void*) android_net_wifi_enableResponder}, 2586 { "disableRttResponderNative", "(II)Z", 2587 (void*) android_net_wifi_disableResponder}, 2588 2589 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2590 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2591 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2592 { "setInterfaceUpNative", "(Z)Z", (void*) android_net_wifi_set_interface_up}, 2593 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2594 (void*) android_net_wifi_get_rtt_capabilities}, 2595 { "getApfCapabilitiesNative", "(I)Landroid/net/apf/ApfCapabilities;", 2596 (void*) android_net_wifi_get_apf_capabilities}, 2597 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2598 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2599 (void*) android_net_wifi_set_Country_Code_Hal}, 2600 { "setPnoListNative", "(IILcom/android/server/wifi/WifiNative$PnoSettings;)Z", 2601 (void*) android_net_wifi_setPnoListNative}, 2602 { "resetPnoListNative", "(II)Z", (void*) android_net_wifi_resetPnoListNative}, 2603 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2604 (void*) android_net_wifi_enable_disable_tdls}, 2605 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2606 (void*) android_net_wifi_get_tdls_status}, 2607 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2608 (void*) android_net_wifi_get_tdls_capabilities}, 2609 {"getSupportedLoggerFeatureSetNative","(I)I", 2610 (void*) android_net_wifi_get_supported_logger_feature}, 2611 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2612 (void*) android_net_wifi_get_driver_version}, 2613 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2614 (void*) android_net_wifi_get_firmware_version}, 2615 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2616 (void*) android_net_wifi_get_ring_buffer_status}, 2617 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2618 (void*) android_net_wifi_start_logging_ring_buffer}, 2619 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2620 (void*) android_net_wifi_get_ring_buffer_data}, 2621 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2622 {"getDriverStateDumpNative","(I)[B", (void*) android_net_wifi_get_driver_state_dump}, 2623 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2624 (void*)android_net_wifi_setBssidBlacklist}, 2625 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2626 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2627 {"startPktFateMonitoringNative", "(I)I", (void*) android_net_wifi_start_pkt_fate_monitoring}, 2628 {"getTxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$TxFateReport;)I", 2629 (void*) android_net_wifi_get_tx_pkt_fates}, 2630 {"getRxPktFatesNative", "(I[Lcom/android/server/wifi/WifiNative$RxFateReport;)I", 2631 (void*) android_net_wifi_get_rx_pkt_fates}, 2632 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2633 (void*)android_net_wifi_start_sending_offloaded_packet}, 2634 { "stopSendingOffloadedPacketNative", "(II)I", 2635 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2636 {"startRssiMonitoringNative", "(IIBB)I", 2637 (void*)android_net_wifi_start_rssi_monitoring_native}, 2638 {"stopRssiMonitoringNative", "(II)I", 2639 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2640 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2641 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2642 {"isGetChannelsForBandSupportedNative", "()Z", 2643 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2644 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2645 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2646}; 2647 2648/* User to register native functions */ 2649extern "C" 2650jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2651 // initialization needed for unit test APK 2652 JniConstants::init(env); 2653 2654 return jniRegisterNativeMethods(env, 2655 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2656} 2657 2658}; // namespace android 2659