com_android_server_wifi_WifiNative.cpp revision 6609df5a9c14e4440c085567a27437a8cfc50f88
1/* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "wifi" 18 19#include "jni.h" 20#include "JniConstants.h" 21#include <ScopedUtfChars.h> 22#include <ScopedBytes.h> 23#include <utils/misc.h> 24#include <utils/Log.h> 25#include <utils/String16.h> 26#include <ctype.h> 27#include <stdlib.h> 28#include <sys/socket.h> 29#include <sys/klog.h> 30#include <linux/if.h> 31#include "wifi.h" 32#include "wifi_hal.h" 33#include "jni_helper.h" 34#include "rtt.h" 35#include "wifi_hal_stub.h" 36#define REPLY_BUF_SIZE 4096 + 1 // wpa_supplicant's maximum size + 1 for nul 37#define EVENT_BUF_SIZE 2048 38#define WAKE_REASON_TYPE_MAX 10 39 40namespace android { 41 42extern "C" 43jint Java_com_android_server_wifi_WifiNative_registerNanNatives(JNIEnv* env, jclass clazz); 44 45static jint DBG = false; 46 47//Please put all HAL function call here and call from the function table instead of directly call 48wifi_hal_fn hal_fn; 49static bool doCommand(JNIEnv* env, jstring javaCommand, 50 char* reply, size_t reply_len) { 51 ScopedUtfChars command(env, javaCommand); 52 if (command.c_str() == NULL) { 53 return false; // ScopedUtfChars already threw on error. 54 } 55 56 if (DBG) { 57 ALOGD("doCommand: %s", command.c_str()); 58 } 59 60 --reply_len; // Ensure we have room to add NUL termination. 61 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 62 return false; 63 } 64 65 // Strip off trailing newline. 66 if (reply_len > 0 && reply[reply_len-1] == '\n') { 67 reply[reply_len-1] = '\0'; 68 } else { 69 reply[reply_len] = '\0'; 70 } 71 return true; 72} 73 74static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 75 char reply[REPLY_BUF_SIZE]; 76 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 77 return -1; 78 } 79 return static_cast<jint>(atoi(reply)); 80} 81 82static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 83 char reply[REPLY_BUF_SIZE]; 84 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 85 return JNI_FALSE; 86 } 87 jboolean result = (strcmp(reply, "OK") == 0); 88 if (!result) { 89 ScopedUtfChars command(env, javaCommand); 90 ALOGI("command '%s' returned '%s", command.c_str(), reply); 91 } 92 return result; 93} 94 95// Send a command to the supplicant, and return the reply as a String. 96static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 97 char reply[REPLY_BUF_SIZE]; 98 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 99 return NULL; 100 } 101 return env->NewStringUTF(reply); 102} 103 104static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jclass) 105{ 106 return (::is_wifi_driver_loaded() == 1); 107} 108 109static jboolean android_net_wifi_loadDriver(JNIEnv* env, jclass) 110{ 111 return (::wifi_load_driver() == 0); 112} 113 114static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jclass) 115{ 116 return (::wifi_unload_driver() == 0); 117} 118 119static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 120{ 121 return (::wifi_start_supplicant(p2pSupported) == 0); 122} 123 124static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 125{ 126 return (::wifi_stop_supplicant(p2pSupported) == 0); 127} 128 129static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jclass) 130{ 131 return (::wifi_connect_to_supplicant() == 0); 132} 133 134static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jclass) 135{ 136 ::wifi_close_supplicant_connection(); 137} 138 139static jstring android_net_wifi_waitForEvent(JNIEnv* env, jclass) 140{ 141 char buf[EVENT_BUF_SIZE]; 142 int nread = ::wifi_wait_for_event(buf, sizeof buf); 143 if (nread > 0) { 144 return env->NewStringUTF(buf); 145 } else { 146 return NULL; 147 } 148} 149 150static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jclass, jstring javaCommand) { 151 return doBooleanCommand(env, javaCommand); 152} 153 154static jint android_net_wifi_doIntCommand(JNIEnv* env, jclass, jstring javaCommand) { 155 return doIntCommand(env, javaCommand); 156} 157 158static jstring android_net_wifi_doStringCommand(JNIEnv* env, jclass, jstring javaCommand) { 159 return doStringCommand(env,javaCommand); 160} 161 162/* wifi_hal <==> WifiNative bridge */ 163 164static jclass mCls; /* saved WifiNative object */ 165static JavaVM *mVM; /* saved JVM pointer */ 166 167static const char *WifiHandleVarName = "sWifiHalHandle"; 168static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 169static jmethodID OnScanResultsMethodID; 170 171wifi_handle getWifiHandle(JNIHelper &helper, jclass cls) { 172 return (wifi_handle) helper.getStaticLongField(cls, WifiHandleVarName); 173} 174 175wifi_interface_handle getIfaceHandle(JNIHelper &helper, jclass cls, jint index) { 176 return (wifi_interface_handle) helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, index); 177} 178 179jboolean setSSIDField(JNIHelper helper, jobject scanResult, const char *rawSsid) { 180 181 int len = strlen(rawSsid); 182 183 if (len > 0) { 184 JNIObject<jbyteArray> ssidBytes = helper.newByteArray(len); 185 helper.setByteArrayRegion(ssidBytes, 0, len, (jbyte *) rawSsid); 186 jboolean ret = helper.callStaticMethod(mCls, 187 "setSsid", "([BLandroid/net/wifi/ScanResult;)Z", ssidBytes.get(), scanResult); 188 return ret; 189 } else { 190 //empty SSID or SSID start with \0 191 return true; 192 } 193} 194static JNIObject<jobject> createScanResult(JNIHelper &helper, wifi_scan_result *result, 195 bool fill_ie) { 196 // ALOGD("creating scan result"); 197 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 198 if (scanResult == NULL) { 199 ALOGE("Error in creating scan result"); 200 return JNIObject<jobject>(helper, NULL); 201 } 202 203 ALOGV("setting SSID to %s", result->ssid); 204 205 if (!setSSIDField(helper, scanResult, result->ssid)) { 206 ALOGE("Error on set SSID"); 207 return JNIObject<jobject>(helper, NULL); 208 } 209 210 char bssid[32]; 211 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 212 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 213 214 helper.setStringField(scanResult, "BSSID", bssid); 215 216 helper.setIntField(scanResult, "level", result->rssi); 217 helper.setIntField(scanResult, "frequency", result->channel); 218 helper.setLongField(scanResult, "timestamp", result->ts); 219 220 if (fill_ie) { 221 JNIObject<jbyteArray> elements = helper.newByteArray(result->ie_length); 222 if (elements == NULL) { 223 ALOGE("Error in allocating elements array, length=%d", result->ie_length); 224 return JNIObject<jobject>(helper, NULL); 225 } 226 jbyte * bytes = (jbyte *)&(result->ie_data[0]); 227 helper.setByteArrayRegion(elements, 0, result->ie_length, bytes); 228 helper.setObjectField(scanResult, "bytes", "[B", elements); 229 } 230 231 return scanResult; 232} 233 234int set_iface_flags(const char *ifname, int dev_up) { 235 struct ifreq ifr; 236 int ret; 237 int sock = socket(PF_INET, SOCK_DGRAM, 0); 238 if (sock < 0) { 239 ALOGD("Bad socket: %d\n", sock); 240 return -errno; 241 } 242 243 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 244 245 memset(&ifr, 0, sizeof(ifr)); 246 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 247 248 //ALOGD("reading old value\n"); 249 250 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 251 ret = errno ? -errno : -999; 252 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 253 close(sock); 254 return ret; 255 } else { 256 //ALOGD("writing new value\n"); 257 } 258 259 if (dev_up) { 260 if (ifr.ifr_flags & IFF_UP) { 261 // ALOGD("interface %s is already up\n", ifname); 262 close(sock); 263 return 0; 264 } 265 ifr.ifr_flags |= IFF_UP; 266 } else { 267 if (!(ifr.ifr_flags & IFF_UP)) { 268 // ALOGD("interface %s is already down\n", ifname); 269 close(sock); 270 return 0; 271 } 272 ifr.ifr_flags &= ~IFF_UP; 273 } 274 275 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 276 ALOGE("Could not set interface %s flags: %d\n", ifname, errno); 277 ret = errno ? -errno : -999; 278 close(sock); 279 return ret; 280 } else { 281 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 282 } 283 close(sock); 284 return 0; 285} 286 287static jboolean android_net_wifi_toggle_interface(JNIEnv* env, jclass cls, int toggle) { 288 return(set_iface_flags("wlan0", toggle) == 0); 289} 290 291static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 292 JNIHelper helper(env); 293 wifi_handle halHandle = getWifiHandle(helper, cls); 294 if (halHandle == NULL) { 295 296 if(init_wifi_stub_hal_func_table(&hal_fn) != 0 ) { 297 ALOGE("Can not initialize the basic function pointer table"); 298 return false; 299 } 300 301 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 302 if (res != WIFI_SUCCESS) { 303 ALOGE("Can not initialize the vendor function pointer table"); 304 return false; 305 } 306 307 int ret = set_iface_flags("wlan0", 1); 308 if(ret != 0) { 309 return false; 310 } 311 312 res = hal_fn.wifi_initialize(&halHandle); 313 if (res == WIFI_SUCCESS) { 314 helper.setStaticLongField(cls, WifiHandleVarName, (jlong)halHandle); 315 ALOGD("Did set static halHandle = %p", halHandle); 316 } 317 env->GetJavaVM(&mVM); 318 mCls = (jclass) env->NewGlobalRef(cls); 319 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 320 return res == WIFI_SUCCESS; 321 } else { 322 return (set_iface_flags("wlan0", 1) == 0); 323 } 324} 325 326void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 327 ALOGD("In wifi cleaned up handler"); 328 329 JNIHelper helper(mVM); 330 helper.setStaticLongField(mCls, WifiHandleVarName, 0); 331 332 helper.deleteGlobalRef(mCls); 333 mCls = NULL; 334 mVM = NULL; 335} 336 337static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 338 ALOGD("In wifi stop Hal"); 339 340 JNIHelper helper(env); 341 wifi_handle halHandle = getWifiHandle(helper, cls); 342 if (halHandle == NULL) 343 return; 344 345 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 346 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 347} 348 349static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 350 351 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 352 353 JNIHelper helper(env); 354 wifi_handle halHandle = getWifiHandle(helper, cls); 355 hal_fn.wifi_event_loop(halHandle); 356 set_iface_flags("wlan0", 0); 357} 358 359static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 360 int n = 0; 361 362 JNIHelper helper(env); 363 364 wifi_handle halHandle = getWifiHandle(helper, cls); 365 wifi_interface_handle *ifaceHandles = NULL; 366 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 367 if (result < 0) { 368 return result; 369 } 370 371 if (n < 0) { 372 THROW(helper,"android_net_wifi_getInterfaces no interfaces"); 373 return 0; 374 } 375 376 if (ifaceHandles == NULL) { 377 THROW(helper,"android_net_wifi_getInterfaces null interface array"); 378 return 0; 379 } 380 381 if (n > 8) { 382 THROW(helper,"Too many interfaces"); 383 return 0; 384 } 385 386 jlongArray array = (env)->NewLongArray(n); 387 if (array == NULL) { 388 THROW(helper,"Error in accessing array"); 389 return 0; 390 } 391 392 jlong elems[8]; 393 for (int i = 0; i < n; i++) { 394 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 395 } 396 397 helper.setLongArrayRegion(array, 0, n, elems); 398 helper.setStaticLongArrayField(cls, WifiIfaceHandleVarName, array); 399 400 return (result < 0) ? result : n; 401} 402 403static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 404 405 char buf[EVENT_BUF_SIZE]; 406 407 JNIHelper helper(env); 408 409 jlong value = helper.getStaticLongArrayField(cls, WifiIfaceHandleVarName, i); 410 wifi_interface_handle handle = (wifi_interface_handle) value; 411 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 412 if (result < 0) { 413 return NULL; 414 } else { 415 JNIObject<jstring> name = helper.newStringUTF(buf); 416 return name.detach(); 417 } 418} 419 420 421static void onScanEvent(wifi_request_id id, wifi_scan_event event) { 422 423 JNIHelper helper(mVM); 424 425 // ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 426 427 helper.reportEvent(mCls, "onScanStatus", "(II)V", id, event); 428} 429 430static void onFullScanResult(wifi_request_id id, wifi_scan_result *result, 431 unsigned buckets_scanned) { 432 433 JNIHelper helper(mVM); 434 435 //ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 436 437 JNIObject<jobject> scanResult = createScanResult(helper, result, true); 438 439 if (scanResult == NULL) { 440 return; 441 } 442 443 helper.reportEvent(mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;II)V", id, 444 scanResult.get(), buckets_scanned, (jint) result->capability); 445} 446 447static jboolean android_net_wifi_startScan( 448 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 449 450 JNIHelper helper(env); 451 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 452 // ALOGD("starting scan on interface[%d] = %p", iface, handle); 453 454 wifi_scan_cmd_params params; 455 memset(¶ms, 0, sizeof(params)); 456 457 params.base_period = helper.getIntField(settings, "base_period_ms"); 458 params.max_ap_per_scan = helper.getIntField(settings, "max_ap_per_scan"); 459 params.report_threshold_percent = helper.getIntField(settings, "report_threshold_percent"); 460 params.report_threshold_num_scans = helper.getIntField(settings, "report_threshold_num_scans"); 461 462 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 463 params.report_threshold_percent, params.report_threshold_num_scans); 464 465 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 466 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 467 468 params.num_buckets = helper.getIntField(settings, "num_buckets"); 469 470 // ALOGD("Initialized num_buckets to %d", params.num_buckets); 471 472 for (int i = 0; i < params.num_buckets; i++) { 473 JNIObject<jobject> bucket = helper.getObjectArrayField( 474 settings, "buckets", bucket_array_type, i); 475 476 params.buckets[i].bucket = helper.getIntField(bucket, "bucket"); 477 params.buckets[i].band = (wifi_band) helper.getIntField(bucket, "band"); 478 params.buckets[i].period = helper.getIntField(bucket, "period_ms"); 479 params.buckets[i].max_period = helper.getIntField(bucket, "max_period_ms"); 480 // Although HAL API allows configurable base value for the truncated 481 // exponential back off scan. Native API and above support only 482 // truncated binary exponential back off scan. 483 // Hard code value of base to 2 here. 484 params.buckets[i].base = 2; 485 params.buckets[i].step_count = helper.getIntField(bucket, "step_count"); 486 487 int report_events = helper.getIntField(bucket, "report_events"); 488 params.buckets[i].report_events = report_events; 489 490 if (DBG) { 491 ALOGD("bucket[%d] = %d:%d:%d:%d:%d:%d:%d", i, params.buckets[i].bucket, 492 params.buckets[i].band, params.buckets[i].period, 493 params.buckets[i].max_period, params.buckets[i].base, 494 params.buckets[i].step_count, report_events); 495 } 496 497 params.buckets[i].num_channels = helper.getIntField(bucket, "num_channels"); 498 // ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 499 500 for (int j = 0; j < params.buckets[i].num_channels; j++) { 501 JNIObject<jobject> channel = helper.getObjectArrayField( 502 bucket, "channels", channel_array_type, j); 503 504 params.buckets[i].channels[j].channel = helper.getIntField(channel, "frequency"); 505 params.buckets[i].channels[j].dwellTimeMs = helper.getIntField(channel, "dwell_time_ms"); 506 507 bool passive = helper.getBoolField(channel, "passive"); 508 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 509 510 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 511 } 512 } 513 514 // ALOGD("Initialized all fields"); 515 516 wifi_scan_result_handler handler; 517 memset(&handler, 0, sizeof(handler)); 518 handler.on_full_scan_result = &onFullScanResult; 519 handler.on_scan_event = &onScanEvent; 520 521 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 522} 523 524static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 525 526 JNIHelper helper(env); 527 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 528 // ALOGD("stopping scan on interface[%d] = %p", iface, handle); 529 530 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 531} 532 533static int compare_scan_result_timestamp(const void *v1, const void *v2) { 534 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 535 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 536 return result1->ts - result2->ts; 537} 538 539static jobject android_net_wifi_getScanResults( 540 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 541 542 JNIHelper helper(env); 543 wifi_cached_scan_results scan_data[64]; 544 int num_scan_data = 64; 545 546 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 547 // ALOGD("getting scan results on interface[%d] = %p", iface, handle); 548 549 byte b = flush ? 0xFF : 0; 550 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 551 if (result == WIFI_SUCCESS) { 552 JNIObject<jobjectArray> scanData = helper.createObjectArray( 553 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 554 if (scanData == NULL) { 555 ALOGE("Error in allocating array of scanData for getScanResults, length=%d", 556 num_scan_data); 557 return NULL; 558 } 559 560 for (int i = 0; i < num_scan_data; i++) { 561 562 JNIObject<jobject> data = helper.createObject("android/net/wifi/WifiScanner$ScanData"); 563 if (data == NULL) { 564 ALOGE("Error in allocating scanData for getScanResults"); 565 return NULL; 566 } 567 568 helper.setIntField(data, "mId", scan_data[i].scan_id); 569 helper.setIntField(data, "mFlags", scan_data[i].flags); 570 571 /* sort all scan results by timestamp */ 572 qsort(scan_data[i].results, scan_data[i].num_results, 573 sizeof(wifi_scan_result), compare_scan_result_timestamp); 574 575 JNIObject<jobjectArray> scanResults = helper.createObjectArray( 576 "android/net/wifi/ScanResult", scan_data[i].num_results); 577 if (scanResults == NULL) { 578 ALOGE("Error in allocating scanResult array for getScanResults, length=%d", 579 scan_data[i].num_results); 580 return NULL; 581 } 582 583 wifi_scan_result *results = scan_data[i].results; 584 for (int j = 0; j < scan_data[i].num_results; j++) { 585 586 JNIObject<jobject> scanResult = createScanResult(helper, &results[j], false); 587 if (scanResult == NULL) { 588 ALOGE("Error in creating scan result for getScanResults"); 589 return NULL; 590 } 591 592 helper.setObjectArrayElement(scanResults, j, scanResult); 593 } 594 595 helper.setObjectField(data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 596 helper.setObjectArrayElement(scanData, i, data); 597 } 598 599 // ALOGD("retrieved %d scan data from interface[%d] = %p", num_scan_data, iface, handle); 600 return scanData.detach(); 601 } else { 602 return NULL; 603 } 604} 605 606 607static jboolean android_net_wifi_getScanCapabilities( 608 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 609 610 JNIHelper helper(env); 611 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 612 // ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 613 614 wifi_gscan_capabilities c; 615 memset(&c, 0, sizeof(c)); 616 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 617 if (result != WIFI_SUCCESS) { 618 ALOGD("failed to get capabilities : %d", result); 619 return JNI_FALSE; 620 } 621 622 helper.setIntField(capabilities, "max_scan_cache_size", c.max_scan_cache_size); 623 helper.setIntField(capabilities, "max_scan_buckets", c.max_scan_buckets); 624 helper.setIntField(capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 625 helper.setIntField(capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 626 helper.setIntField(capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 627 helper.setIntField(capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 628 helper.setIntField(capabilities, "max_significant_wifi_change_aps", 629 c.max_significant_wifi_change_aps); 630 631 return JNI_TRUE; 632} 633 634 635static byte parseHexChar(char ch) { 636 if (isdigit(ch)) 637 return ch - '0'; 638 else if ('A' <= ch && ch <= 'F') 639 return ch - 'A' + 10; 640 else if ('a' <= ch && ch <= 'f') 641 return ch - 'a' + 10; 642 else { 643 ALOGE("invalid character in bssid %c", ch); 644 return 0; 645 } 646} 647 648static byte parseHexByte(const char * &str) { 649 byte b = parseHexChar(str[0]); 650 if (str[1] == ':' || str[1] == '\0') { 651 str += 2; 652 return b; 653 } else { 654 b = b << 4 | parseHexChar(str[1]); 655 str += 3; 656 return b; 657 } 658} 659 660static void parseMacAddress(const char *str, mac_addr addr) { 661 addr[0] = parseHexByte(str); 662 addr[1] = parseHexByte(str); 663 addr[2] = parseHexByte(str); 664 addr[3] = parseHexByte(str); 665 addr[4] = parseHexByte(str); 666 addr[5] = parseHexByte(str); 667} 668 669static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 670 JNIHelper helper(env); 671 JNIObject<jstring> macAddrString = helper.getStringField(obj, "bssid"); 672 if (macAddrString == NULL) { 673 ALOGE("Error getting bssid field"); 674 return false; 675 } 676 677 ScopedUtfChars chars(env, macAddrString); 678 const char *bssid = chars.c_str(); 679 if (bssid == NULL) { 680 ALOGE("Error getting bssid"); 681 return false; 682 } 683 684 parseMacAddress(bssid, addr); 685 return true; 686} 687 688static void onHotlistApFound(wifi_request_id id, 689 unsigned num_results, wifi_scan_result *results) { 690 691 JNIHelper helper(mVM); 692 ALOGD("onHotlistApFound called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 693 694 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 695 "android/net/wifi/ScanResult", NULL); 696 if (scanResults == NULL) { 697 ALOGE("Error in allocating ScanResult array in onHotlistApFound, length=%d", num_results); 698 return; 699 } 700 701 for (unsigned i = 0; i < num_results; i++) { 702 703 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 704 if (scanResult == NULL) { 705 ALOGE("Error in creating scan result in onHotlistApFound"); 706 return; 707 } 708 709 helper.setObjectArrayElement(scanResults, i, scanResult); 710 711 ALOGD("Found AP %32s", results[i].ssid); 712 } 713 714 helper.reportEvent(mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 715 id, scanResults.get()); 716} 717 718static void onHotlistApLost(wifi_request_id id, 719 unsigned num_results, wifi_scan_result *results) { 720 721 JNIHelper helper(mVM); 722 ALOGD("onHotlistApLost called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 723 724 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 725 "android/net/wifi/ScanResult", NULL); 726 if (scanResults == NULL) { 727 ALOGE("Error in allocating ScanResult array onHotlistApLost, length=%d", num_results); 728 return; 729 } 730 731 for (unsigned i = 0; i < num_results; i++) { 732 733 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 734 if (scanResult == NULL) { 735 ALOGE("Error in creating scan result in onHotlistApLost"); 736 return; 737 } 738 739 helper.setObjectArrayElement(scanResults, i, scanResult); 740 741 ALOGD("Lost AP %32s", results[i].ssid); 742 } 743 744 helper.reportEvent(mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 745 id, scanResults.get()); 746} 747 748 749static jboolean android_net_wifi_setHotlist( 750 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 751 752 JNIHelper helper(env); 753 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 754 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 755 756 wifi_bssid_hotlist_params params; 757 memset(¶ms, 0, sizeof(params)); 758 759 params.lost_ap_sample_size = helper.getIntField(ap, "apLostThreshold"); 760 761 JNIObject<jobjectArray> array = helper.getArrayField( 762 ap, "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 763 params.num_bssid = helper.getArrayLength(array); 764 765 if (params.num_bssid == 0) { 766 ALOGE("setHotlist array length was 0"); 767 return false; 768 } 769 770 for (int i = 0; i < params.num_bssid; i++) { 771 JNIObject<jobject> objAp = helper.getObjectArrayElement(array, i); 772 773 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 774 if (macAddrString == NULL) { 775 ALOGE("Error getting bssid field"); 776 return false; 777 } 778 779 ScopedUtfChars chars(env, macAddrString); 780 const char *bssid = chars.c_str(); 781 if (bssid == NULL) { 782 ALOGE("Error getting bssid"); 783 return false; 784 } 785 parseMacAddress(bssid, params.ap[i].bssid); 786 787 mac_addr addr; 788 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 789 790 char bssidOut[32]; 791 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 792 addr[2], addr[3], addr[4], addr[5]); 793 794 ALOGD("Added bssid %s", bssidOut); 795 796 params.ap[i].low = helper.getIntField(objAp, "low"); 797 params.ap[i].high = helper.getIntField(objAp, "high"); 798 } 799 800 wifi_hotlist_ap_found_handler handler; 801 memset(&handler, 0, sizeof(handler)); 802 803 handler.on_hotlist_ap_found = &onHotlistApFound; 804 handler.on_hotlist_ap_lost = &onHotlistApLost; 805 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 806} 807 808static jboolean android_net_wifi_resetHotlist(JNIEnv *env, jclass cls, jint iface, jint id) { 809 810 JNIHelper helper(env); 811 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 812 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 813 814 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 815} 816 817void onSignificantWifiChange(wifi_request_id id, 818 unsigned num_results, wifi_significant_change_result **results) { 819 820 JNIHelper helper(mVM); 821 822 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p", mVM, mCls); 823 824 JNIObject<jobjectArray> scanResults = helper.newObjectArray( 825 num_results, "android/net/wifi/ScanResult", NULL); 826 if (scanResults == NULL) { 827 ALOGE("Error in allocating ScanResult array in onSignificantWifiChange, length=%d", 828 num_results); 829 return; 830 } 831 832 for (unsigned i = 0; i < num_results; i++) { 833 834 wifi_significant_change_result &result = *(results[i]); 835 836 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 837 if (scanResult == NULL) { 838 ALOGE("Error in creating scan result in onSignificantWifiChange"); 839 return; 840 } 841 842 // helper.setStringField(scanResult, "SSID", results[i].ssid); 843 844 char bssid[32]; 845 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 846 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 847 848 helper.setStringField(scanResult, "BSSID", bssid); 849 850 helper.setIntField(scanResult, "level", result.rssi[0]); 851 helper.setIntField(scanResult, "frequency", result.channel); 852 // helper.setLongField(scanResult, "timestamp", result.ts); 853 854 helper.setObjectArrayElement(scanResults, i, scanResult); 855 } 856 857 helper.reportEvent(mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 858 id, scanResults.get()); 859 860} 861 862static jboolean android_net_wifi_trackSignificantWifiChange( 863 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 864 865 JNIHelper helper(env); 866 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 867 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 868 869 wifi_significant_change_params params; 870 memset(¶ms, 0, sizeof(params)); 871 872 params.rssi_sample_size = helper.getIntField(settings, "rssiSampleSize"); 873 params.lost_ap_sample_size = helper.getIntField(settings, "lostApSampleSize"); 874 params.min_breaching = helper.getIntField(settings, "minApsBreachingThreshold"); 875 876 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 877 JNIObject<jobjectArray> bssids = helper.getArrayField( 878 settings, "bssidInfos", bssid_info_array_type); 879 params.num_bssid = helper.getArrayLength(bssids); 880 881 if (params.num_bssid == 0) { 882 ALOGE("BssidInfo array length was 0"); 883 return false; 884 } 885 886 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 887 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 888 889 for (int i = 0; i < params.num_bssid; i++) { 890 JNIObject<jobject> objAp = helper.getObjectArrayElement(bssids, i); 891 892 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 893 if (macAddrString == NULL) { 894 ALOGE("Error getting bssid field"); 895 return false; 896 } 897 898 ScopedUtfChars chars(env, macAddrString.get()); 899 const char *bssid = chars.c_str(); 900 if (bssid == NULL) { 901 ALOGE("Error getting bssid"); 902 return false; 903 } 904 905 mac_addr addr; 906 parseMacAddress(bssid, addr); 907 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 908 909 char bssidOut[32]; 910 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 911 addr[2], addr[3], addr[4], addr[5]); 912 913 params.ap[i].low = helper.getIntField(objAp, "low"); 914 params.ap[i].high = helper.getIntField(objAp, "high"); 915 916 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 917 } 918 919 ALOGD("Added %d bssids", params.num_bssid); 920 921 wifi_significant_change_handler handler; 922 memset(&handler, 0, sizeof(handler)); 923 924 handler.on_significant_change = &onSignificantWifiChange; 925 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 926} 927 928static jboolean android_net_wifi_untrackSignificantWifiChange( 929 JNIEnv *env, jclass cls, jint iface, jint id) { 930 931 JNIHelper helper(env); 932 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 933 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 934 935 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 936} 937 938wifi_iface_stat link_stat; 939wifi_radio_stat radio_stat; // L release has support for only one radio 940 941void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 942 int num_radios, wifi_radio_stat *radio_stats) 943{ 944 if (iface_stat != 0) { 945 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 946 } else { 947 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 948 } 949 950 if (num_radios > 0 && radio_stats != 0) { 951 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 952 } else { 953 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 954 } 955} 956 957static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 958 JNIHelper helper(env); 959 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 960 961 wifi_link_layer_params params; 962 params.aggressive_statistics_gathering = enable; 963 params.mpdu_size_threshold = 128; 964 965 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 966 967 hal_fn.wifi_set_link_stats(handle, params); 968} 969 970static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 971 972 JNIHelper helper(env); 973 wifi_stats_result_handler handler; 974 memset(&handler, 0, sizeof(handler)); 975 handler.on_link_stats_results = &onLinkStatsResults; 976 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 977 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 978 if (result < 0) { 979 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 980 return NULL; 981 } 982 983 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 984 "android/net/wifi/WifiLinkLayerStats"); 985 if (wifiLinkLayerStats == NULL) { 986 ALOGE("Error in allocating wifiLinkLayerStats"); 987 return NULL; 988 } 989 990 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 991 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 992 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 993 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 994 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 995 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 996 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 997 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 998 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 999 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1000 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1001 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1002 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1003 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1004 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1005 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1006 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1007 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1008 1009 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1010 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1011 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1012 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1013 1014 return wifiLinkLayerStats.detach(); 1015} 1016 1017static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1018 1019 JNIHelper helper(env); 1020 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1021 feature_set set = 0; 1022 1023 wifi_error result = WIFI_SUCCESS; 1024 /* 1025 set = WIFI_FEATURE_INFRA 1026 | WIFI_FEATURE_INFRA_5G 1027 | WIFI_FEATURE_HOTSPOT 1028 | WIFI_FEATURE_P2P 1029 | WIFI_FEATURE_SOFT_AP 1030 | WIFI_FEATURE_GSCAN 1031 | WIFI_FEATURE_PNO 1032 | WIFI_FEATURE_TDLS 1033 | WIFI_FEATURE_EPR; 1034 */ 1035 1036 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1037 if (result == WIFI_SUCCESS) { 1038 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1039 return set; 1040 } else { 1041 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1042 return 0; 1043 } 1044} 1045 1046static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1047 1048 JNIHelper helper(mVM); 1049 1050 ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1051 1052 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1053 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1054 if (rttResults == NULL) { 1055 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1056 return; 1057 } 1058 1059 for (unsigned i = 0; i < num_results; i++) { 1060 1061 wifi_rtt_result *result = results[i]; 1062 1063 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1064 if (rttResult == NULL) { 1065 ALOGE("Error in creating rtt result in onRttResults"); 1066 return; 1067 } 1068 1069 char bssid[32]; 1070 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1071 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1072 1073 helper.setStringField(rttResult, "bssid", bssid); 1074 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1075 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1076 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1077 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1078 helper.setIntField( rttResult, "status", result->status); 1079 helper.setIntField( rttResult, "measurementType", result->type); 1080 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1081 helper.setLongField(rttResult, "ts", result->ts / 100); 1082 helper.setIntField( rttResult, "rssi", result->rssi); 1083 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1084 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1085 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1086 helper.setLongField(rttResult, "rtt", result->rtt); 1087 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1088 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1089 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1090 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1091 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1092 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1093 1094 JNIObject<jobject> LCI = helper.createObject( 1095 "android/net/wifi/RttManager$WifiInformationElement"); 1096 if (result->LCI != NULL && result->LCI->len > 0) { 1097 ALOGD("Add LCI in result"); 1098 helper.setByteField(LCI, "id", result->LCI->id); 1099 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1100 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1101 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1102 helper.setObjectField(LCI, "data", "[B", elements); 1103 } else { 1104 ALOGD("No LCI in result"); 1105 helper.setByteField(LCI, "id", (byte)(0xff)); 1106 } 1107 helper.setObjectField(rttResult, "LCI", 1108 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1109 1110 JNIObject<jobject> LCR = helper.createObject( 1111 "android/net/wifi/RttManager$WifiInformationElement"); 1112 if (result->LCR != NULL && result->LCR->len > 0) { 1113 ALOGD("Add LCR in result"); 1114 helper.setByteField(LCR, "id", result->LCR->id); 1115 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1116 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1117 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1118 helper.setObjectField(LCR, "data", "[B", elements); 1119 } else { 1120 ALOGD("No LCR in result"); 1121 helper.setByteField(LCR, "id", (byte)(0xff)); 1122 } 1123 helper.setObjectField(rttResult, "LCR", 1124 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1125 1126 helper.setObjectArrayElement(rttResults, i, rttResult); 1127 } 1128 1129 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1130 id, rttResults.get()); 1131} 1132 1133const int MaxRttConfigs = 16; 1134 1135static jboolean android_net_wifi_requestRange( 1136 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1137 1138 JNIHelper helper(env); 1139 1140 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1141 ALOGD("sending rtt request [%d] = %p", id, handle); 1142 1143 wifi_rtt_config configs[MaxRttConfigs]; 1144 memset(&configs, 0, sizeof(configs)); 1145 1146 int len = helper.getArrayLength((jobjectArray)params); 1147 if (len > MaxRttConfigs) { 1148 return false; 1149 } 1150 1151 for (int i = 0; i < len; i++) { 1152 1153 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1154 if (param == NULL) { 1155 ALOGD("could not get element %d", i); 1156 continue; 1157 } 1158 1159 wifi_rtt_config &config = configs[i]; 1160 1161 parseMacAddress(env, param, config.addr); 1162 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1163 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1164 config.channel.center_freq = helper.getIntField(param, "frequency"); 1165 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1166 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1167 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1168 1169 config.num_burst = helper.getIntField(param, "numberBurst"); 1170 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1171 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1172 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1173 "numRetriesPerMeasurementFrame"); 1174 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1175 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1176 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1177 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1178 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1179 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1180 1181 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1182 config.type,config.peer, config.channel.width, config.channel.center_freq); 1183 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1184 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1185 config.burst_period); 1186 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1187 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1188 config.num_retries_per_ftmr); 1189 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1190 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1191 config.bw); 1192 } 1193 1194 wifi_rtt_event_handler handler; 1195 handler.on_rtt_results = &onRttResults; 1196 1197 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1198} 1199 1200static jboolean android_net_wifi_cancelRange( 1201 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1202 1203 JNIHelper helper(env); 1204 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1205 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1206 1207 mac_addr addrs[MaxRttConfigs]; 1208 memset(&addrs, 0, sizeof(addrs)); 1209 1210 int len = helper.getArrayLength((jobjectArray)params); 1211 if (len > MaxRttConfigs) { 1212 return false; 1213 } 1214 1215 for (int i = 0; i < len; i++) { 1216 1217 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1218 if (param == NULL) { 1219 ALOGD("could not get element %d", i); 1220 continue; 1221 } 1222 1223 parseMacAddress(env, param, addrs[i]); 1224 } 1225 1226 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1227} 1228 1229static jobject android_net_wifi_enableResponder( 1230 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1231 JNIHelper helper(env); 1232 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1233 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1234 wifi_channel_info channel; 1235 // Get channel information from HAL if it's not provided by caller. 1236 if (channel_hint == NULL) { 1237 bool status = hal_fn.wifi_rtt_get_available_channel(handle, &channel); 1238 if (status != WIFI_SUCCESS) { 1239 ALOGE("could not get available channel for responder"); 1240 return NULL; 1241 } 1242 } else { 1243 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1244 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1245 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1246 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1247 } 1248 1249 if (DBG) { 1250 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1251 channel.width, channel.center_freq, channel.center_freq0); 1252 } 1253 wifi_channel_info channel_used; 1254 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1255 &channel_used); 1256 if (status != WIFI_SUCCESS) { 1257 ALOGE("enabling responder mode failed"); 1258 return NULL; 1259 } 1260 if (DBG) { 1261 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1262 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1263 } 1264 JNIObject<jobject> responderConfig = 1265 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1266 if (responderConfig == NULL) return NULL; 1267 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1268 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1269 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1270 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1271 // TODO: use preamble from chip once it's populated. 1272 const int preamble = 0x02; 1273 helper.setIntField(responderConfig, "preamble", preamble); 1274 return responderConfig.detach(); 1275} 1276 1277static jboolean android_net_wifi_disableResponder( 1278 JNIEnv *env, jclass cls, jint iface, jint id) { 1279 JNIHelper helper(env); 1280 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1281 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1282 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1283} 1284 1285 1286static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1287 jint iface, jbyteArray param) { 1288 1289 JNIHelper helper(env); 1290 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1291 ALOGD("setting scan oui %p", handle); 1292 1293 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1294 int len = helper.getArrayLength(param); 1295 if (len != oui_len) { 1296 ALOGE("invalid oui length %d", len); 1297 return false; 1298 } 1299 1300 ScopedBytesRW paramBytes(env, param); 1301 jbyte* bytes = paramBytes.get(); 1302 if (bytes == NULL) { 1303 ALOGE("failed to get setScanningMacOui param array"); 1304 return false; 1305 } 1306 1307 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1308} 1309 1310static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1311 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1312} 1313 1314static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1315 jint iface, jint band) { 1316 1317 JNIHelper helper(env); 1318 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1319 ALOGD("getting valid channels %p", handle); 1320 1321 static const int MaxChannels = 64; 1322 wifi_channel channels[64]; 1323 int num_channels = 0; 1324 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1325 channels, &num_channels); 1326 1327 if (result == WIFI_SUCCESS) { 1328 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1329 if (channelArray == NULL) { 1330 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1331 return NULL; 1332 } 1333 1334 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1335 return channelArray.detach(); 1336 } else { 1337 ALOGE("failed to get channel list : %d", result); 1338 return NULL; 1339 } 1340} 1341 1342static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1343 1344 JNIHelper helper(env); 1345 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1346 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1347 1348 u32 nodfs = dfs ? 0 : 1; 1349 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1350 return result == WIFI_SUCCESS; 1351} 1352 1353static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1354 1355 JNIHelper helper(env); 1356 wifi_rtt_capabilities rtt_capabilities; 1357 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1358 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1359 1360 if(WIFI_SUCCESS == ret) { 1361 JNIObject<jobject> capabilities = helper.createObject( 1362 "android/net/wifi/RttManager$RttCapabilities"); 1363 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1364 rtt_capabilities.rtt_one_sided_supported == 1); 1365 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1366 rtt_capabilities.rtt_ftm_supported == 1); 1367 helper.setBooleanField(capabilities, "lciSupported", 1368 rtt_capabilities.lci_support); 1369 helper.setBooleanField(capabilities, "lcrSupported", 1370 rtt_capabilities.lcr_support); 1371 helper.setIntField(capabilities, "preambleSupported", 1372 rtt_capabilities.preamble_support); 1373 helper.setIntField(capabilities, "bwSupported", 1374 rtt_capabilities.bw_support); 1375 ALOGD("One side RTT is: %s", rtt_capabilities.rtt_one_sided_supported ==1 ? "support" : 1376 "not support"); 1377 ALOGD("Two side RTT is: %s", rtt_capabilities.rtt_ftm_supported == 1 ? "support" : 1378 "not support"); 1379 ALOGD("LCR is: %s", rtt_capabilities.lcr_support == 1 ? "support" : "not support"); 1380 1381 ALOGD("LCI is: %s", rtt_capabilities.lci_support == 1 ? "support" : "not support"); 1382 1383 ALOGD("Support Preamble is : %d support BW is %d", rtt_capabilities.preamble_support, 1384 rtt_capabilities.bw_support); 1385 return capabilities.detach(); 1386 } else { 1387 return NULL; 1388 } 1389} 1390 1391static jobject android_net_wifi_get_packet_filter_capabilities(JNIEnv *env, jclass cls, 1392 jint iface) { 1393 1394 JNIHelper helper(env); 1395 u32 version = 0, max_len = 0; 1396 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1397 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1398 1399 if (WIFI_SUCCESS == ret) { 1400 JNIObject<jobject> capabilities = helper.createObject( 1401 "com/android/server/wifi/WifiNative$PacketFilterCapabilities"); 1402 helper.setIntField(capabilities, "apfVersionSupported", version); 1403 helper.setIntField(capabilities, "maximumApfProgramSize", max_len); 1404 ALOGD("APF version supported: %d", version); 1405 ALOGD("Maximum APF program size: %d", max_len); 1406 return capabilities.detach(); 1407 } else { 1408 return NULL; 1409 } 1410} 1411 1412static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1413 jbyteArray jfilter) { 1414 1415 JNIHelper helper(env); 1416 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1417 const u32 filter_len = env->GetArrayLength(jfilter); 1418 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1419 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1420 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1421 return WIFI_SUCCESS == ret; 1422} 1423 1424static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1425 jstring country_code) { 1426 1427 JNIHelper helper(env); 1428 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1429 1430 ScopedUtfChars chars(env, country_code); 1431 const char *country = chars.c_str(); 1432 1433 ALOGD("set country code: %s", country); 1434 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1435 return res == WIFI_SUCCESS; 1436} 1437 1438static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1439 jboolean enable, jstring addr) { 1440 1441 JNIHelper helper(env); 1442 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1443 1444 mac_addr address; 1445 parseMacAddress(env, addr, address); 1446 wifi_tdls_handler tdls_handler; 1447 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1448 1449 if(enable) { 1450 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1451 } else { 1452 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1453 } 1454} 1455 1456static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1457 1458 JNIHelper helper(mVM); 1459 1460 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1461 1462 char mac[32]; 1463 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1464 addr[5]); 1465 1466 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1467 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1468 mac_address.get(), status.state, status.reason); 1469 1470} 1471 1472static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1473 1474 JNIHelper helper(env); 1475 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1476 1477 mac_addr address; 1478 parseMacAddress(env, addr, address); 1479 1480 wifi_tdls_status status; 1481 1482 wifi_error ret; 1483 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1484 1485 if (ret != WIFI_SUCCESS) { 1486 return NULL; 1487 } else { 1488 JNIObject<jobject> tdls_status = helper.createObject( 1489 "com/android/server/wifi/WifiNative$TdlsStatus"); 1490 helper.setIntField(tdls_status, "channel", status.channel); 1491 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1492 helper.setIntField(tdls_status, "state", status.state); 1493 helper.setIntField(tdls_status, "reason", status.reason); 1494 return tdls_status.detach(); 1495 } 1496} 1497 1498static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1499 1500 JNIHelper helper(env); 1501 wifi_tdls_capabilities tdls_capabilities; 1502 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1503 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1504 1505 if (WIFI_SUCCESS == ret) { 1506 JNIObject<jobject> capabilities = helper.createObject( 1507 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1508 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1509 tdls_capabilities.max_concurrent_tdls_session_num); 1510 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1511 tdls_capabilities.is_global_tdls_supported == 1); 1512 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1513 tdls_capabilities.is_per_mac_tdls_supported == 1); 1514 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1515 tdls_capabilities.is_off_channel_tdls_supported); 1516 1517 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1518 tdls_capabilities.max_concurrent_tdls_session_num); 1519 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1520 "not support"); 1521 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1522 "not support"); 1523 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1524 "support" : "not support"); 1525 1526 return capabilities.detach(); 1527 } else { 1528 return NULL; 1529 } 1530} 1531 1532// ---------------------------------------------------------------------------- 1533// Debug framework 1534// ---------------------------------------------------------------------------- 1535static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1536 //Not implemented yet 1537 JNIHelper helper(env); 1538 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1539 return -1; 1540} 1541 1542static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1543 //Need to be fixed. The memory should be allocated from lower layer 1544 //char *buffer = NULL; 1545 JNIHelper helper(env); 1546 int buffer_length = 256; 1547 char *buffer = (char *)malloc(buffer_length); 1548 if (!buffer) return NULL; 1549 memset(buffer, 0, buffer_length); 1550 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1551 1552 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1553 1554 if (handle == 0) { 1555 return NULL; 1556 } 1557 1558 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1559 1560 if (result == WIFI_SUCCESS) { 1561 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1562 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1563 free(buffer); 1564 return driver_version.detach(); 1565 } else { 1566 ALOGE("Fail to get driver version"); 1567 free(buffer); 1568 return NULL; 1569 } 1570} 1571 1572static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1573 1574 //char *buffer = NULL; 1575 JNIHelper helper(env); 1576 int buffer_length = 256; 1577 char *buffer = (char *)malloc(buffer_length); 1578 if (!buffer) return NULL; 1579 memset(buffer, 0, buffer_length); 1580 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1581 1582 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1583 1584 if (handle == 0) { 1585 return NULL; 1586 } 1587 1588 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1589 1590 if (result == WIFI_SUCCESS) { 1591 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1592 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1593 free(buffer); 1594 return firmware_version.detach(); 1595 } else { 1596 ALOGE("Fail to get Firmware version"); 1597 free(buffer); 1598 return NULL; 1599 } 1600} 1601 1602static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1603 1604 JNIHelper helper(env); 1605 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1606 1607 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1608 1609 if (handle == 0) { 1610 return NULL; 1611 } 1612 1613 //wifi_ring_buffer_status *status = NULL; 1614 u32 num_rings = 10; 1615 wifi_ring_buffer_status *status = 1616 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1617 if (!status) return NULL; 1618 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1619 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1620 if (result == WIFI_SUCCESS) { 1621 ALOGD("status is %p, number is %d", status, num_rings); 1622 1623 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1624 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1625 1626 wifi_ring_buffer_status *tmp = status; 1627 1628 for(u32 i = 0; i < num_rings; i++, tmp++) { 1629 1630 JNIObject<jobject> ringStatus = helper.createObject( 1631 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1632 1633 if (ringStatus == NULL) { 1634 ALOGE("Error in creating ringBufferStatus"); 1635 free(status); 1636 return NULL; 1637 } 1638 1639 char name[32]; 1640 for(int j = 0; j < 32; j++) { 1641 name[j] = tmp->name[j]; 1642 } 1643 1644 helper.setStringField(ringStatus, "name", name); 1645 helper.setIntField(ringStatus, "flag", tmp->flags); 1646 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1647 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1648 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1649 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1650 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1651 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1652 1653 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1654 } 1655 1656 free(status); 1657 return ringBuffersStatus.detach(); 1658 } else { 1659 free(status); 1660 return NULL; 1661 } 1662} 1663 1664static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1665 wifi_ring_buffer_status *status) { 1666 1667 if (!ring_name || !buffer || !status || 1668 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1669 ALOGE("Error input for on_ring_buffer_data!"); 1670 return; 1671 } 1672 1673 1674 JNIHelper helper(mVM); 1675 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1676 mCls, env, buffer_size); */ 1677 1678 JNIObject<jobject> ringStatus = helper.createObject( 1679 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1680 if (status == NULL) { 1681 ALOGE("Error in creating ringBufferStatus"); 1682 return; 1683 } 1684 1685 helper.setStringField(ringStatus, "name", ring_name); 1686 helper.setIntField(ringStatus, "flag", status->flags); 1687 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1688 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1689 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1690 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1691 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1692 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1693 1694 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1695 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1696 1697 helper.reportEvent(mCls,"onRingBufferData", 1698 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1699 ringStatus.get(), bytes.get()); 1700} 1701 1702static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1703 1704 JNIHelper helper(mVM); 1705 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1706 , mVM, mCls, buffer_size, err_code); 1707 1708 if (buffer_size > 0) { 1709 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1710 jbyte *bytes = (jbyte *) buffer; 1711 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1712 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1713 } else { 1714 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1715 } 1716} 1717 1718 1719static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1720 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1721 1722 JNIHelper helper(env); 1723 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1724 1725 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1726 1727 if (handle == 0) { 1728 return false; 1729 } 1730 1731 ScopedUtfChars chars(env, ring_name); 1732 const char* ring_name_const_char = chars.c_str(); 1733 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1734 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1735 1736 if (ret != WIFI_SUCCESS) { 1737 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1738 } else { 1739 ALOGD("start logging for ring %s", ring_name_const_char); 1740 } 1741 1742 return ret == WIFI_SUCCESS; 1743} 1744 1745static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1746 jstring ring_name) { 1747 1748 JNIHelper helper(env); 1749 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1750 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1751 1752 ScopedUtfChars chars(env, ring_name); 1753 const char* ring_name_const_char = chars.c_str(); 1754 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1755 return result == WIFI_SUCCESS; 1756} 1757 1758 1759void on_firmware_memory_dump(char *buffer, int buffer_size) { 1760 1761 JNIHelper helper(mVM); 1762 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1763 , mVM, mCls, env, buffer_size); */ 1764 1765 if (buffer_size > 0) { 1766 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1767 jbyte *bytes = (jbyte *) (buffer); 1768 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1769 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1770 } 1771} 1772 1773static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1774 1775 JNIHelper helper(env); 1776 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1777 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1778 1779 if (handle == NULL) { 1780 ALOGE("Can not get wifi_interface_handle"); 1781 return false; 1782 } 1783 1784 wifi_firmware_memory_dump_handler fw_dump_handle; 1785 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1786 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1787 return result == WIFI_SUCCESS; 1788 1789} 1790 1791static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1792 1793 JNIHelper helper(env); 1794 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1795 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1796 1797 //initialize the handler on first time 1798 wifi_ring_buffer_data_handler handler; 1799 handler.on_ring_buffer_data = &on_ring_buffer_data; 1800 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1801 if (result != WIFI_SUCCESS) { 1802 ALOGE("Fail to set logging handler"); 1803 return false; 1804 } 1805 1806 //set alter handler This will start alert too 1807 wifi_alert_handler alert_handler; 1808 alert_handler.on_alert = &on_alert_data; 1809 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1810 if (result != WIFI_SUCCESS) { 1811 ALOGE(" Fail to set alert handler"); 1812 return false; 1813 } 1814 1815 return true; 1816} 1817 1818static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1819 1820 JNIHelper helper(env); 1821 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1822 1823 //reset alter handler 1824 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1825 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1826 if (result != WIFI_SUCCESS) { 1827 ALOGE(" Fail to reset alert handler"); 1828 return false; 1829 } 1830 1831 //reset log handler 1832 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1833 result = hal_fn.wifi_reset_log_handler(id, handle); 1834 if (result != WIFI_SUCCESS) { 1835 ALOGE("Fail to reset logging handler"); 1836 return false; 1837 } 1838 1839 return true; 1840} 1841 1842// ---------------------------------------------------------------------------- 1843// ePno framework 1844// ---------------------------------------------------------------------------- 1845 1846 1847static void onPnoNetworkFound(wifi_request_id id, 1848 unsigned num_results, wifi_scan_result *results) { 1849 JNIHelper helper(mVM); 1850 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 1851 1852 if (results == NULL || num_results == 0) { 1853 ALOGE("onPnoNetworkFound: Error no results"); 1854 return; 1855 } 1856 1857 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 1858 "android/net/wifi/ScanResult", NULL); 1859 if (scanResults == NULL) { 1860 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 1861 return; 1862 } 1863 1864 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 1865 if (beaconCaps == NULL) { 1866 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 1867 return; 1868 } 1869 1870 for (unsigned i=0; i<num_results; i++) { 1871 1872 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 1873 if (scanResult == NULL) { 1874 ALOGE("Error in creating scan result"); 1875 return; 1876 } 1877 1878 helper.setObjectArrayElement(scanResults, i, scanResult); 1879 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 1880 1881 if (DBG) { 1882 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1883 results->ie_length, i, results[i].ssid, results[i].rssi, 1884 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 1885 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 1886 } 1887 } 1888 1889 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 1890 scanResults.get(), beaconCaps.get()); 1891} 1892 1893static jboolean android_net_wifi_setPnoListNative( 1894 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1895 1896 JNIHelper helper(env); 1897 wifi_epno_handler handler; 1898 handler.on_network_found = &onPnoNetworkFound; 1899 1900 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1901 ALOGD("configure ePno list request [%d] = %p", id, handle); 1902 1903 if (list == NULL) { 1904 // stop pno 1905 int result = hal_fn.wifi_reset_epno_list(id, handle); 1906 ALOGD(" setPnoListNative: STOP result = %d", result); 1907 return result >= 0; 1908 } 1909 1910 wifi_epno_params params; 1911 memset(¶ms, 0, sizeof(params)); 1912 1913 size_t len = helper.getArrayLength((jobjectArray)list); 1914 if (len > (size_t)MAX_EPNO_NETWORKS) { 1915 return false; 1916 } 1917 1918 for (unsigned int i = 0; i < len; i++) { 1919 1920 JNIObject<jobject> pno_net = helper.getObjectArrayElement((jobjectArray)list, i); 1921 if (pno_net == NULL) { 1922 ALOGE("setPnoListNative: could not get element %d", i); 1923 continue; 1924 } 1925 1926 JNIObject<jstring> sssid = helper.getStringField(pno_net, "SSID"); 1927 if (sssid == NULL) { 1928 ALOGE("Error setPnoListNative: getting ssid field"); 1929 return false; 1930 } 1931 1932 ScopedUtfChars chars(env, (jstring)sssid.get()); 1933 const char *ssid = chars.c_str(); 1934 if (ssid == NULL) { 1935 ALOGE("Error setPnoListNative: getting ssid"); 1936 return false; 1937 } 1938 int ssid_len = strnlen((const char*)ssid, 33); 1939 if (ssid_len > 32) { 1940 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 1941 return false; 1942 } 1943 1944 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 1945 { 1946 // strip leading and trailing '"' 1947 ssid++; 1948 ssid_len-=2; 1949 } 1950 if (ssid_len == 0) { 1951 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 1952 continue; 1953 } 1954 memcpy(params.networks[i].ssid, ssid, ssid_len); 1955 1956 int a = helper.getIntField(pno_net, "auth"); 1957 params.networks[i].auth_bit_field = a; 1958 int f = helper.getIntField(pno_net, "flags"); 1959 params.networks[i].flags = f; 1960 ALOGD(" setPnoListNative: idx %u auth %x/%x flags %x/%x [%s]", i, 1961 params.networks[i].auth_bit_field, a, params.networks[i].flags, f, 1962 params.networks[i].ssid); 1963 } 1964 params.num_networks = len; 1965 1966 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 1967 ALOGD(" setPnoListNative: result %d", result); 1968 1969 return result >= 0; 1970} 1971 1972static jboolean android_net_wifi_setBssidBlacklist( 1973 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1974 1975 JNIHelper helper(env); 1976 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1977 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 1978 1979 wifi_bssid_params params; 1980 memset(¶ms, 0, sizeof(params)); 1981 1982 if (list != NULL) { 1983 size_t len = helper.getArrayLength((jobjectArray)list); 1984 if (len > (size_t)MAX_BLACKLIST_BSSID) { 1985 return false; 1986 } 1987 for (unsigned int i = 0; i < len; i++) { 1988 1989 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 1990 if (jbssid == NULL) { 1991 ALOGE("configure BSSID blacklist: could not get element %d", i); 1992 continue; 1993 } 1994 1995 ScopedUtfChars chars(env, (jstring)jbssid.get()); 1996 const char *bssid = chars.c_str(); 1997 if (bssid == NULL) { 1998 ALOGE("Error getting bssid"); 1999 return false; 2000 } 2001 2002 mac_addr addr; 2003 parseMacAddress(bssid, addr); 2004 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2005 2006 char bssidOut[32]; 2007 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 2008 addr[2], addr[3], addr[4], addr[5]); 2009 2010 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2011 2012 params.num_bssid++; 2013 } 2014 } 2015 2016 ALOGD("Added %d bssids", params.num_bssid); 2017 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2018} 2019 2020static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2021 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2022 JNIHelper helper(env); 2023 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2024 ALOGD("Start packet offload [%d] = %p", idx, handle); 2025 wifi_error ret; 2026 wifi_request_id id = idx; 2027 2028 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2029 2030 byte * pkt_data = (byte*) pktBytes.get(); 2031 unsigned short pkt_len = env->GetArrayLength(pkt); 2032 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2033 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2034 int i; 2035 char macAddr[32]; 2036 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", src_mac_addr[0], src_mac_addr[1], 2037 src_mac_addr[2], src_mac_addr[3], src_mac_addr[4], src_mac_addr[5]); 2038 ALOGD("src_mac_addr %s", macAddr); 2039 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", dst_mac_addr[0], dst_mac_addr[1], 2040 dst_mac_addr[2], dst_mac_addr[3], dst_mac_addr[4], dst_mac_addr[5]); 2041 ALOGD("dst_mac_addr %s", macAddr); 2042 ALOGD("pkt_len %d\n", pkt_len); 2043 ALOGD("Pkt data : "); 2044 for(i = 0; i < pkt_len; i++) { 2045 ALOGD(" %x ", pkt_data[i]); 2046 } 2047 ALOGD("\n"); 2048 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2049 src_mac_addr, dst_mac_addr, period); 2050 ALOGD("ret= %d\n", ret); 2051 return ret; 2052} 2053 2054static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2055 jint iface, jint idx) { 2056 int ret; 2057 JNIHelper helper(env); 2058 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2059 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2060 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2061 ALOGD("ret= %d\n", ret); 2062 return ret; 2063} 2064 2065static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2066 2067 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2068 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2069 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2070 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2071 JNIHelper helper(mVM); 2072 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2073 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2074} 2075 2076static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2077 jint idx, jbyte maxRssi, jbyte minRssi) { 2078 2079 JNIHelper helper(env); 2080 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2081 ALOGD("Start Rssi monitoring = %p", handle); 2082 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2083 wifi_error ret; 2084 wifi_request_id id = idx; 2085 wifi_rssi_event_handler eh; 2086 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2087 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2088 return ret; 2089} 2090 2091static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2092 jint iface, jint idx) { 2093 JNIHelper helper(env); 2094 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2095 ALOGD("Stop Rssi monitoring = %p", handle); 2096 wifi_error ret; 2097 wifi_request_id id = idx; 2098 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2099 return ret; 2100} 2101 2102static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2103 2104 JNIHelper helper(env); 2105 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2106 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2107 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2108 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2109 wifi_error ret; 2110 2111 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2112 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2113 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2114 2115 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2116 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2117 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2118 2119 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2120 2121 if (ret != WIFI_SUCCESS) { 2122 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2123 return NULL; 2124 } 2125 2126 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2127 if (stats == NULL) { 2128 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2129 return NULL; 2130 } 2131 JNIObject<jintArray> cmd_wake_arr = 2132 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2133 if (cmd_wake_arr == NULL) { 2134 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2135 return NULL; 2136 } 2137 JNIObject<jintArray> local_wake_arr = 2138 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2139 if (local_wake_arr == NULL) { 2140 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2141 return NULL; 2142 } 2143 2144 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2145 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2146 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2147 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2148 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2149 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2150 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2151 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2152 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2153 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2154 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2155 helper.setIntField(stats, "ipv4RxMulticast", 2156 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2157 helper.setIntField(stats, "ipv6Multicast", 2158 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2159 helper.setIntField(stats, "otherRxMulticast", 2160 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2161 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2162 wake_reason_cnt.cmd_event_wake_cnt); 2163 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2164 wake_reason_cnt.driver_fw_local_wake_cnt); 2165 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2166 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2167 return stats.detach(); 2168} 2169 2170static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2171 JNIHelper helper(env); 2172 ALOGV("Reading kernel logs"); 2173 2174 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2175 if (size < 1) { 2176 ALOGD("no kernel logs"); 2177 return helper.newByteArray(0).detach(); 2178 } 2179 2180 char *buf = (char *)malloc(size); 2181 if (buf == NULL) { 2182 ALOGD("can't allocate temporary storage"); 2183 return helper.newByteArray(0).detach(); 2184 } 2185 2186 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2187 if (read < 0) { 2188 ALOGD("can't read logs - %d", read); 2189 free(buf); 2190 return helper.newByteArray(0).detach(); 2191 } else { 2192 ALOGV("read %d bytes", read); 2193 } 2194 2195 if (read != size) { 2196 ALOGV("read %d bytes, expecting %d", read, size); 2197 } 2198 2199 JNIObject<jbyteArray> result = helper.newByteArray(read); 2200 if (result.isNull()) { 2201 ALOGD("can't allocate array"); 2202 free(buf); 2203 return result.detach(); 2204 } 2205 2206 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2207 free(buf); 2208 return result.detach(); 2209} 2210 2211static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2212 jint iface, jboolean enable) { 2213 JNIHelper helper(env); 2214 return hal_fn.wifi_configure_nd_offload( 2215 getIfaceHandle(helper, cls, iface), 2216 static_cast<int>(enable)); 2217} 2218 2219 2220// ---------------------------------------------------------------------------- 2221 2222/* 2223 * JNI registration. 2224 */ 2225static JNINativeMethod gWifiMethods[] = { 2226 /* name, signature, funcPtr */ 2227 2228 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2229 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2230 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2231 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2232 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2233 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2234 { "closeSupplicantConnectionNative", "()V", 2235 (void *)android_net_wifi_closeSupplicantConnection }, 2236 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2237 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2238 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2239 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2240 (void*) android_net_wifi_doStringCommand }, 2241 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2242 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2243 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2244 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2245 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2246 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2247 (void *) android_net_wifi_getScanCapabilities}, 2248 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2249 (void*) android_net_wifi_startScan}, 2250 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2251 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2252 (void *) android_net_wifi_getScanResults}, 2253 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2254 (void*) android_net_wifi_setHotlist}, 2255 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2256 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2257 (void*) android_net_wifi_trackSignificantWifiChange}, 2258 { "untrackSignificantWifiChangeNative", "(II)Z", 2259 (void*) android_net_wifi_untrackSignificantWifiChange}, 2260 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2261 (void*) android_net_wifi_getLinkLayerStats}, 2262 { "setWifiLinkLayerStatsNative", "(II)V", 2263 (void*) android_net_wifi_setLinkLayerStats}, 2264 { "getSupportedFeatureSetNative", "(I)I", 2265 (void*) android_net_wifi_getSupportedFeatures}, 2266 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2267 (void*) android_net_wifi_requestRange}, 2268 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2269 (void*) android_net_wifi_cancelRange}, 2270 { "enableRttResponderNative", 2271 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2272 (void*) android_net_wifi_enableResponder}, 2273 { "disableRttResponderNative", "(II)Z", 2274 (void*) android_net_wifi_disableResponder}, 2275 2276 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2277 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2278 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2279 { "toggleInterfaceNative", "(I)Z", (void*) android_net_wifi_toggle_interface}, 2280 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2281 (void*) android_net_wifi_get_rtt_capabilities}, 2282 { "getPacketFilterCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$PacketFilterCapabilities;", 2283 (void*) android_net_wifi_get_packet_filter_capabilities}, 2284 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2285 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2286 (void*) android_net_wifi_set_Country_Code_Hal}, 2287 { "setPnoListNative", "(II[Lcom/android/server/wifi/WifiNative$WifiPnoNetwork;)Z", 2288 (void*) android_net_wifi_setPnoListNative}, 2289 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2290 (void*) android_net_wifi_enable_disable_tdls}, 2291 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2292 (void*) android_net_wifi_get_tdls_status}, 2293 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2294 (void*) android_net_wifi_get_tdls_capabilities}, 2295 {"getSupportedLoggerFeatureSetNative","(I)I", 2296 (void*) android_net_wifi_get_supported_logger_feature}, 2297 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2298 (void*) android_net_wifi_get_driver_version}, 2299 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2300 (void*) android_net_wifi_get_firmware_version}, 2301 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2302 (void*) android_net_wifi_get_ring_buffer_status}, 2303 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2304 (void*) android_net_wifi_start_logging_ring_buffer}, 2305 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2306 (void*) android_net_wifi_get_ring_buffer_data}, 2307 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2308 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2309 (void*)android_net_wifi_setBssidBlacklist}, 2310 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2311 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2312 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2313 (void*)android_net_wifi_start_sending_offloaded_packet}, 2314 { "stopSendingOffloadedPacketNative", "(II)I", 2315 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2316 {"startRssiMonitoringNative", "(IIBB)I", 2317 (void*)android_net_wifi_start_rssi_monitoring_native}, 2318 {"stopRssiMonitoringNative", "(II)I", 2319 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2320 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2321 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2322 {"isGetChannelsForBandSupportedNative", "()Z", 2323 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2324 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2325 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2326}; 2327 2328/* User to register native functions */ 2329extern "C" 2330jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2331 // initialization needed for unit test APK 2332 JniConstants::init(env); 2333 2334 return jniRegisterNativeMethods(env, 2335 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2336} 2337 2338}; // namespace android 2339