com_android_server_wifi_WifiNative.cpp revision bf4982c6b1e230a3659e30eb47290e49c7034b14
1/* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "wifi" 18 19#include "jni.h" 20#include "JniConstants.h" 21#include <ScopedUtfChars.h> 22#include <ScopedBytes.h> 23#include <utils/misc.h> 24#include <utils/Log.h> 25#include <utils/String16.h> 26#include <ctype.h> 27#include <stdlib.h> 28#include <sys/socket.h> 29#include <sys/klog.h> 30#include <linux/if.h> 31#include <linux/if_arp.h> 32#include "wifi.h" 33#include "wifi_hal.h" 34#include "jni_helper.h" 35#include "rtt.h" 36#include "wifi_hal_stub.h" 37#define REPLY_BUF_SIZE 4096 + 1 // wpa_supplicant's maximum size + 1 for nul 38#define EVENT_BUF_SIZE 2048 39#define WAKE_REASON_TYPE_MAX 10 40 41namespace android { 42 43extern "C" 44jint Java_com_android_server_wifi_WifiNative_registerNanNatives(JNIEnv* env, jclass clazz); 45 46static jint DBG = false; 47 48//Please put all HAL function call here and call from the function table instead of directly call 49wifi_hal_fn hal_fn; 50static bool doCommand(JNIEnv* env, jstring javaCommand, 51 char* reply, size_t reply_len) { 52 ScopedUtfChars command(env, javaCommand); 53 if (command.c_str() == NULL) { 54 return false; // ScopedUtfChars already threw on error. 55 } 56 57 if (DBG) { 58 ALOGD("doCommand: %s", command.c_str()); 59 } 60 61 --reply_len; // Ensure we have room to add NUL termination. 62 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 63 return false; 64 } 65 66 // Strip off trailing newline. 67 if (reply_len > 0 && reply[reply_len-1] == '\n') { 68 reply[reply_len-1] = '\0'; 69 } else { 70 reply[reply_len] = '\0'; 71 } 72 return true; 73} 74 75static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 76 char reply[REPLY_BUF_SIZE]; 77 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 78 return -1; 79 } 80 return static_cast<jint>(atoi(reply)); 81} 82 83static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 84 char reply[REPLY_BUF_SIZE]; 85 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 86 return JNI_FALSE; 87 } 88 jboolean result = (strcmp(reply, "OK") == 0); 89 if (!result) { 90 ScopedUtfChars command(env, javaCommand); 91 ALOGI("command '%s' returned '%s", command.c_str(), reply); 92 } 93 return result; 94} 95 96// Send a command to the supplicant, and return the reply as a String. 97static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 98 char reply[REPLY_BUF_SIZE]; 99 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 100 return NULL; 101 } 102 return env->NewStringUTF(reply); 103} 104 105static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jclass) 106{ 107 return (::is_wifi_driver_loaded() == 1); 108} 109 110static jboolean android_net_wifi_loadDriver(JNIEnv* env, jclass) 111{ 112 return (::wifi_load_driver() == 0); 113} 114 115static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jclass) 116{ 117 return (::wifi_unload_driver() == 0); 118} 119 120static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 121{ 122 return (::wifi_start_supplicant(p2pSupported) == 0); 123} 124 125static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jclass, jboolean p2pSupported) 126{ 127 return (::wifi_stop_supplicant(p2pSupported) == 0); 128} 129 130static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jclass) 131{ 132 return (::wifi_connect_to_supplicant() == 0); 133} 134 135static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jclass) 136{ 137 ::wifi_close_supplicant_connection(); 138} 139 140static jstring android_net_wifi_waitForEvent(JNIEnv* env, jclass) 141{ 142 char buf[EVENT_BUF_SIZE]; 143 int nread = ::wifi_wait_for_event(buf, sizeof buf); 144 if (nread > 0) { 145 return env->NewStringUTF(buf); 146 } else { 147 return NULL; 148 } 149} 150 151static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jclass, jstring javaCommand) { 152 return doBooleanCommand(env, javaCommand); 153} 154 155static jint android_net_wifi_doIntCommand(JNIEnv* env, jclass, jstring javaCommand) { 156 return doIntCommand(env, javaCommand); 157} 158 159static jstring android_net_wifi_doStringCommand(JNIEnv* env, jclass, jstring javaCommand) { 160 return doStringCommand(env,javaCommand); 161} 162 163/* wifi_hal <==> WifiNative bridge */ 164 165static jclass mCls; /* saved WifiNative object */ 166static JavaVM *mVM; /* saved JVM pointer */ 167 168static const char *WifiHandleVarName = "sWifiHalHandle"; 169static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 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, bool 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_set_interface_up(JNIEnv* env, jclass cls, jboolean up) { 288 return (set_iface_flags("wlan0", (bool)up) == 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", true); 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", true) == 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", false); 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 helper.setIntField(data, "mBucketsScanned", scan_data[i].buckets_scanned); 571 572 /* sort all scan results by timestamp */ 573 qsort(scan_data[i].results, scan_data[i].num_results, 574 sizeof(wifi_scan_result), compare_scan_result_timestamp); 575 576 JNIObject<jobjectArray> scanResults = helper.createObjectArray( 577 "android/net/wifi/ScanResult", scan_data[i].num_results); 578 if (scanResults == NULL) { 579 ALOGE("Error in allocating scanResult array for getScanResults, length=%d", 580 scan_data[i].num_results); 581 return NULL; 582 } 583 584 wifi_scan_result *results = scan_data[i].results; 585 for (int j = 0; j < scan_data[i].num_results; j++) { 586 587 JNIObject<jobject> scanResult = createScanResult(helper, &results[j], false); 588 if (scanResult == NULL) { 589 ALOGE("Error in creating scan result for getScanResults"); 590 return NULL; 591 } 592 593 helper.setObjectArrayElement(scanResults, j, scanResult); 594 } 595 596 helper.setObjectField(data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 597 helper.setObjectArrayElement(scanData, i, data); 598 } 599 600 // ALOGD("retrieved %d scan data from interface[%d] = %p", num_scan_data, iface, handle); 601 return scanData.detach(); 602 } else { 603 return NULL; 604 } 605} 606 607 608static jboolean android_net_wifi_getScanCapabilities( 609 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 610 611 JNIHelper helper(env); 612 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 613 // ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 614 615 wifi_gscan_capabilities c; 616 memset(&c, 0, sizeof(c)); 617 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 618 if (result != WIFI_SUCCESS) { 619 ALOGD("failed to get capabilities : %d", result); 620 return JNI_FALSE; 621 } 622 623 helper.setIntField(capabilities, "max_scan_cache_size", c.max_scan_cache_size); 624 helper.setIntField(capabilities, "max_scan_buckets", c.max_scan_buckets); 625 helper.setIntField(capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 626 helper.setIntField(capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 627 helper.setIntField(capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 628 helper.setIntField(capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 629 helper.setIntField(capabilities, "max_significant_wifi_change_aps", 630 c.max_significant_wifi_change_aps); 631 helper.setIntField(capabilities, "max_bssid_history_entries", c.max_bssid_history_entries); 632 helper.setIntField(capabilities, "max_number_epno_networks", c.max_number_epno_networks); 633 helper.setIntField(capabilities, "max_number_epno_networks_by_ssid", 634 c.max_number_epno_networks_by_ssid); 635 helper.setIntField(capabilities, "max_number_of_white_listed_ssid", 636 c.max_number_of_white_listed_ssid); 637 638 return JNI_TRUE; 639} 640 641 642static byte parseHexChar(char ch) { 643 if (isdigit(ch)) 644 return ch - '0'; 645 else if ('A' <= ch && ch <= 'F') 646 return ch - 'A' + 10; 647 else if ('a' <= ch && ch <= 'f') 648 return ch - 'a' + 10; 649 else { 650 ALOGE("invalid character in bssid %c", ch); 651 return 0; 652 } 653} 654 655static byte parseHexByte(const char * &str) { 656 byte b = parseHexChar(str[0]); 657 if (str[1] == ':' || str[1] == '\0') { 658 str += 2; 659 return b; 660 } else { 661 b = b << 4 | parseHexChar(str[1]); 662 str += 3; 663 return b; 664 } 665} 666 667static void parseMacAddress(const char *str, mac_addr addr) { 668 addr[0] = parseHexByte(str); 669 addr[1] = parseHexByte(str); 670 addr[2] = parseHexByte(str); 671 addr[3] = parseHexByte(str); 672 addr[4] = parseHexByte(str); 673 addr[5] = parseHexByte(str); 674} 675 676static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 677 JNIHelper helper(env); 678 JNIObject<jstring> macAddrString = helper.getStringField(obj, "bssid"); 679 if (macAddrString == NULL) { 680 ALOGE("Error getting bssid field"); 681 return false; 682 } 683 684 ScopedUtfChars chars(env, macAddrString); 685 const char *bssid = chars.c_str(); 686 if (bssid == NULL) { 687 ALOGE("Error getting bssid"); 688 return false; 689 } 690 691 parseMacAddress(bssid, addr); 692 return true; 693} 694 695static void onHotlistApFound(wifi_request_id id, 696 unsigned num_results, wifi_scan_result *results) { 697 698 JNIHelper helper(mVM); 699 ALOGD("onHotlistApFound called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 700 701 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 702 "android/net/wifi/ScanResult", NULL); 703 if (scanResults == NULL) { 704 ALOGE("Error in allocating ScanResult array in onHotlistApFound, length=%d", num_results); 705 return; 706 } 707 708 for (unsigned i = 0; i < num_results; i++) { 709 710 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 711 if (scanResult == NULL) { 712 ALOGE("Error in creating scan result in onHotlistApFound"); 713 return; 714 } 715 716 helper.setObjectArrayElement(scanResults, i, scanResult); 717 718 ALOGD("Found AP %32s", results[i].ssid); 719 } 720 721 helper.reportEvent(mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 722 id, scanResults.get()); 723} 724 725static void onHotlistApLost(wifi_request_id id, 726 unsigned num_results, wifi_scan_result *results) { 727 728 JNIHelper helper(mVM); 729 ALOGD("onHotlistApLost called, vm = %p, obj = %p, num_results = %d", mVM, mCls, num_results); 730 731 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 732 "android/net/wifi/ScanResult", NULL); 733 if (scanResults == NULL) { 734 ALOGE("Error in allocating ScanResult array onHotlistApLost, length=%d", num_results); 735 return; 736 } 737 738 for (unsigned i = 0; i < num_results; i++) { 739 740 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], false); 741 if (scanResult == NULL) { 742 ALOGE("Error in creating scan result in onHotlistApLost"); 743 return; 744 } 745 746 helper.setObjectArrayElement(scanResults, i, scanResult); 747 748 ALOGD("Lost AP %32s", results[i].ssid); 749 } 750 751 helper.reportEvent(mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 752 id, scanResults.get()); 753} 754 755 756static jboolean android_net_wifi_setHotlist( 757 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 758 759 JNIHelper helper(env); 760 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 761 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 762 763 wifi_bssid_hotlist_params params; 764 memset(¶ms, 0, sizeof(params)); 765 766 params.lost_ap_sample_size = helper.getIntField(ap, "apLostThreshold"); 767 768 JNIObject<jobjectArray> array = helper.getArrayField( 769 ap, "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 770 params.num_bssid = helper.getArrayLength(array); 771 772 if (params.num_bssid == 0) { 773 ALOGE("setHotlist array length was 0"); 774 return false; 775 } 776 777 for (int i = 0; i < params.num_bssid; i++) { 778 JNIObject<jobject> objAp = helper.getObjectArrayElement(array, i); 779 780 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 781 if (macAddrString == NULL) { 782 ALOGE("Error getting bssid field"); 783 return false; 784 } 785 786 ScopedUtfChars chars(env, macAddrString); 787 const char *bssid = chars.c_str(); 788 if (bssid == NULL) { 789 ALOGE("Error getting bssid"); 790 return false; 791 } 792 parseMacAddress(bssid, params.ap[i].bssid); 793 794 mac_addr addr; 795 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 796 797 char bssidOut[32]; 798 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 799 addr[2], addr[3], addr[4], addr[5]); 800 801 ALOGD("Added bssid %s", bssidOut); 802 803 params.ap[i].low = helper.getIntField(objAp, "low"); 804 params.ap[i].high = helper.getIntField(objAp, "high"); 805 } 806 807 wifi_hotlist_ap_found_handler handler; 808 memset(&handler, 0, sizeof(handler)); 809 810 handler.on_hotlist_ap_found = &onHotlistApFound; 811 handler.on_hotlist_ap_lost = &onHotlistApLost; 812 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 813} 814 815static jboolean android_net_wifi_resetHotlist(JNIEnv *env, jclass cls, jint iface, jint id) { 816 817 JNIHelper helper(env); 818 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 819 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 820 821 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 822} 823 824void onSignificantWifiChange(wifi_request_id id, 825 unsigned num_results, wifi_significant_change_result **results) { 826 827 JNIHelper helper(mVM); 828 829 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p", mVM, mCls); 830 831 JNIObject<jobjectArray> scanResults = helper.newObjectArray( 832 num_results, "android/net/wifi/ScanResult", NULL); 833 if (scanResults == NULL) { 834 ALOGE("Error in allocating ScanResult array in onSignificantWifiChange, length=%d", 835 num_results); 836 return; 837 } 838 839 for (unsigned i = 0; i < num_results; i++) { 840 841 wifi_significant_change_result &result = *(results[i]); 842 843 JNIObject<jobject> scanResult = helper.createObject("android/net/wifi/ScanResult"); 844 if (scanResult == NULL) { 845 ALOGE("Error in creating scan result in onSignificantWifiChange"); 846 return; 847 } 848 849 // helper.setStringField(scanResult, "SSID", results[i].ssid); 850 851 char bssid[32]; 852 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 853 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 854 855 helper.setStringField(scanResult, "BSSID", bssid); 856 857 helper.setIntField(scanResult, "level", result.rssi[0]); 858 helper.setIntField(scanResult, "frequency", result.channel); 859 // helper.setLongField(scanResult, "timestamp", result.ts); 860 861 helper.setObjectArrayElement(scanResults, i, scanResult); 862 } 863 864 helper.reportEvent(mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 865 id, scanResults.get()); 866 867} 868 869static jboolean android_net_wifi_trackSignificantWifiChange( 870 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 871 872 JNIHelper helper(env); 873 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 874 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 875 876 wifi_significant_change_params params; 877 memset(¶ms, 0, sizeof(params)); 878 879 params.rssi_sample_size = helper.getIntField(settings, "rssiSampleSize"); 880 params.lost_ap_sample_size = helper.getIntField(settings, "lostApSampleSize"); 881 params.min_breaching = helper.getIntField(settings, "minApsBreachingThreshold"); 882 883 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 884 JNIObject<jobjectArray> bssids = helper.getArrayField( 885 settings, "bssidInfos", bssid_info_array_type); 886 params.num_bssid = helper.getArrayLength(bssids); 887 888 if (params.num_bssid == 0) { 889 ALOGE("BssidInfo array length was 0"); 890 return false; 891 } 892 893 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 894 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 895 896 for (int i = 0; i < params.num_bssid; i++) { 897 JNIObject<jobject> objAp = helper.getObjectArrayElement(bssids, i); 898 899 JNIObject<jstring> macAddrString = helper.getStringField(objAp, "bssid"); 900 if (macAddrString == NULL) { 901 ALOGE("Error getting bssid field"); 902 return false; 903 } 904 905 ScopedUtfChars chars(env, macAddrString.get()); 906 const char *bssid = chars.c_str(); 907 if (bssid == NULL) { 908 ALOGE("Error getting bssid"); 909 return false; 910 } 911 912 mac_addr addr; 913 parseMacAddress(bssid, addr); 914 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 915 916 char bssidOut[32]; 917 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 918 addr[2], addr[3], addr[4], addr[5]); 919 920 params.ap[i].low = helper.getIntField(objAp, "low"); 921 params.ap[i].high = helper.getIntField(objAp, "high"); 922 923 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 924 } 925 926 ALOGD("Added %d bssids", params.num_bssid); 927 928 wifi_significant_change_handler handler; 929 memset(&handler, 0, sizeof(handler)); 930 931 handler.on_significant_change = &onSignificantWifiChange; 932 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 933} 934 935static jboolean android_net_wifi_untrackSignificantWifiChange( 936 JNIEnv *env, jclass cls, jint iface, jint id) { 937 938 JNIHelper helper(env); 939 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 940 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 941 942 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 943} 944 945wifi_iface_stat link_stat; 946wifi_radio_stat radio_stat; // L release has support for only one radio 947u32 *tx_time_per_level_arr = 0; 948 949void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 950 int num_radios, wifi_radio_stat *radio_stats) 951{ 952 if (iface_stat != 0) { 953 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 954 } else { 955 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 956 } 957 958 if (num_radios > 0 && radio_stats != 0) { 959 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 960 if ((radio_stats->num_tx_levels > 0) 961 && (radio_stats->num_tx_levels <= RADIO_STAT_MAX_TX_LEVELS)) { 962 // This realloc should be a no-op after the first allocation because for a given 963 // device, the number of power levels should not change. 964 u32 arr_size = sizeof(u32) * radio_stats->num_tx_levels; 965 tx_time_per_level_arr = (u32 *)realloc(tx_time_per_level_arr, arr_size); 966 memcpy(tx_time_per_level_arr, radio_stats->tx_time_per_levels, arr_size); 967 radio_stat.tx_time_per_levels = tx_time_per_level_arr; 968 } else { 969 radio_stat.tx_time_per_levels = 0; 970 } 971 } else { 972 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 973 } 974} 975 976static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 977 JNIHelper helper(env); 978 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 979 980 wifi_link_layer_params params; 981 params.aggressive_statistics_gathering = enable; 982 params.mpdu_size_threshold = 128; 983 984 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 985 986 hal_fn.wifi_set_link_stats(handle, params); 987} 988 989static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 990 991 JNIHelper helper(env); 992 wifi_stats_result_handler handler; 993 memset(&handler, 0, sizeof(handler)); 994 handler.on_link_stats_results = &onLinkStatsResults; 995 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 996 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 997 if (result < 0) { 998 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 999 return NULL; 1000 } 1001 1002 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 1003 "android/net/wifi/WifiLinkLayerStats"); 1004 if (wifiLinkLayerStats == NULL) { 1005 ALOGE("Error in allocating wifiLinkLayerStats"); 1006 return NULL; 1007 } 1008 1009 JNIObject<jintArray> tx_time_per_level = helper.newIntArray(radio_stat.num_tx_levels); 1010 if (tx_time_per_level == NULL) { 1011 ALOGE("Error in allocating wifiLinkLayerStats"); 1012 return NULL; 1013 } 1014 1015 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1016 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1017 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1018 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1019 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1020 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1021 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1022 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1023 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1024 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1025 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1026 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1027 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1028 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1029 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1030 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1031 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1032 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1033 1034 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1035 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1036 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1037 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1038 if (radio_stat.tx_time_per_levels != 0) { 1039 helper.setIntArrayRegion(tx_time_per_level, 0, radio_stat.num_tx_levels, 1040 (jint *)radio_stat.tx_time_per_levels); 1041 } 1042 helper.setObjectField(wifiLinkLayerStats, "tx_time_per_level", "[I", tx_time_per_level); 1043 1044 1045 return wifiLinkLayerStats.detach(); 1046} 1047 1048static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1049 1050 JNIHelper helper(env); 1051 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1052 feature_set set = 0; 1053 1054 wifi_error result = WIFI_SUCCESS; 1055 /* 1056 set = WIFI_FEATURE_INFRA 1057 | WIFI_FEATURE_INFRA_5G 1058 | WIFI_FEATURE_HOTSPOT 1059 | WIFI_FEATURE_P2P 1060 | WIFI_FEATURE_SOFT_AP 1061 | WIFI_FEATURE_GSCAN 1062 | WIFI_FEATURE_PNO 1063 | WIFI_FEATURE_TDLS 1064 | WIFI_FEATURE_EPR; 1065 */ 1066 1067 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1068 if (result == WIFI_SUCCESS) { 1069 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1070 return set; 1071 } else { 1072 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1073 return 0; 1074 } 1075} 1076 1077static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1078 1079 JNIHelper helper(mVM); 1080 1081 ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1082 1083 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1084 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1085 if (rttResults == NULL) { 1086 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1087 return; 1088 } 1089 1090 for (unsigned i = 0; i < num_results; i++) { 1091 1092 wifi_rtt_result *result = results[i]; 1093 1094 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1095 if (rttResult == NULL) { 1096 ALOGE("Error in creating rtt result in onRttResults"); 1097 return; 1098 } 1099 1100 char bssid[32]; 1101 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1102 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1103 1104 helper.setStringField(rttResult, "bssid", bssid); 1105 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1106 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1107 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1108 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1109 helper.setIntField( rttResult, "status", result->status); 1110 helper.setIntField( rttResult, "measurementType", result->type); 1111 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1112 helper.setLongField(rttResult, "ts", result->ts / 100); 1113 helper.setIntField( rttResult, "rssi", result->rssi); 1114 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1115 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1116 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1117 helper.setLongField(rttResult, "rtt", result->rtt); 1118 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1119 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1120 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1121 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1122 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1123 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1124 1125 JNIObject<jobject> LCI = helper.createObject( 1126 "android/net/wifi/RttManager$WifiInformationElement"); 1127 if (result->LCI != NULL && result->LCI->len > 0) { 1128 ALOGD("Add LCI in result"); 1129 helper.setByteField(LCI, "id", result->LCI->id); 1130 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1131 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1132 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1133 helper.setObjectField(LCI, "data", "[B", elements); 1134 } else { 1135 ALOGD("No LCI in result"); 1136 helper.setByteField(LCI, "id", (byte)(0xff)); 1137 } 1138 helper.setObjectField(rttResult, "LCI", 1139 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1140 1141 JNIObject<jobject> LCR = helper.createObject( 1142 "android/net/wifi/RttManager$WifiInformationElement"); 1143 if (result->LCR != NULL && result->LCR->len > 0) { 1144 ALOGD("Add LCR in result"); 1145 helper.setByteField(LCR, "id", result->LCR->id); 1146 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1147 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1148 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1149 helper.setObjectField(LCR, "data", "[B", elements); 1150 } else { 1151 ALOGD("No LCR in result"); 1152 helper.setByteField(LCR, "id", (byte)(0xff)); 1153 } 1154 helper.setObjectField(rttResult, "LCR", 1155 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1156 1157 helper.setObjectArrayElement(rttResults, i, rttResult); 1158 } 1159 1160 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1161 id, rttResults.get()); 1162} 1163 1164const int MaxRttConfigs = 16; 1165 1166static jboolean android_net_wifi_requestRange( 1167 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1168 1169 JNIHelper helper(env); 1170 1171 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1172 ALOGD("sending rtt request [%d] = %p", id, handle); 1173 if (params == NULL) { 1174 ALOGE("ranging params are empty"); 1175 return false; 1176 } 1177 1178 wifi_rtt_config configs[MaxRttConfigs]; 1179 memset(&configs, 0, sizeof(configs)); 1180 1181 int len = helper.getArrayLength((jobjectArray)params); 1182 if (len > MaxRttConfigs) { 1183 return false; 1184 } 1185 1186 for (int i = 0; i < len; i++) { 1187 1188 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1189 if (param == NULL) { 1190 ALOGD("could not get element %d", i); 1191 continue; 1192 } 1193 1194 wifi_rtt_config &config = configs[i]; 1195 1196 parseMacAddress(env, param, config.addr); 1197 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1198 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1199 config.channel.center_freq = helper.getIntField(param, "frequency"); 1200 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1201 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1202 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1203 1204 config.num_burst = helper.getIntField(param, "numberBurst"); 1205 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1206 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1207 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1208 "numRetriesPerMeasurementFrame"); 1209 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1210 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1211 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1212 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1213 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1214 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1215 1216 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1217 config.type,config.peer, config.channel.width, config.channel.center_freq); 1218 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1219 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1220 config.burst_period); 1221 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1222 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1223 config.num_retries_per_ftmr); 1224 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1225 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1226 config.bw); 1227 } 1228 1229 wifi_rtt_event_handler handler; 1230 handler.on_rtt_results = &onRttResults; 1231 1232 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1233} 1234 1235static jboolean android_net_wifi_cancelRange( 1236 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1237 1238 JNIHelper helper(env); 1239 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1240 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1241 1242 if (params == NULL) { 1243 ALOGE("ranging params are empty"); 1244 return false; 1245 } 1246 1247 mac_addr addrs[MaxRttConfigs]; 1248 memset(&addrs, 0, sizeof(addrs)); 1249 1250 int len = helper.getArrayLength((jobjectArray)params); 1251 if (len > MaxRttConfigs) { 1252 return false; 1253 } 1254 1255 for (int i = 0; i < len; i++) { 1256 1257 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1258 if (param == NULL) { 1259 ALOGD("could not get element %d", i); 1260 continue; 1261 } 1262 1263 parseMacAddress(env, param, addrs[i]); 1264 } 1265 1266 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1267} 1268 1269static jobject android_net_wifi_enableResponder( 1270 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1271 JNIHelper helper(env); 1272 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1273 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1274 wifi_channel_info channel; 1275 // Get channel information from HAL if it's not provided by caller. 1276 if (channel_hint == NULL) { 1277 bool status = hal_fn.wifi_rtt_get_available_channel(handle, &channel); 1278 if (status != WIFI_SUCCESS) { 1279 ALOGE("could not get available channel for responder"); 1280 return NULL; 1281 } 1282 } else { 1283 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1284 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1285 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1286 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1287 } 1288 1289 if (DBG) { 1290 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1291 channel.width, channel.center_freq, channel.center_freq0); 1292 } 1293 wifi_channel_info channel_used; 1294 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1295 &channel_used); 1296 if (status != WIFI_SUCCESS) { 1297 ALOGE("enabling responder mode failed"); 1298 return NULL; 1299 } 1300 if (DBG) { 1301 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1302 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1303 } 1304 JNIObject<jobject> responderConfig = 1305 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1306 if (responderConfig == NULL) return NULL; 1307 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1308 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1309 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1310 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1311 // TODO: use preamble from chip once it's populated. 1312 const int preamble = 0x02; 1313 helper.setIntField(responderConfig, "preamble", preamble); 1314 return responderConfig.detach(); 1315} 1316 1317static jboolean android_net_wifi_disableResponder( 1318 JNIEnv *env, jclass cls, jint iface, jint id) { 1319 JNIHelper helper(env); 1320 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1321 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1322 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1323} 1324 1325 1326static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1327 jint iface, jbyteArray param) { 1328 1329 JNIHelper helper(env); 1330 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1331 ALOGD("setting scan oui %p", handle); 1332 1333 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1334 int len = helper.getArrayLength(param); 1335 if (len != oui_len) { 1336 ALOGE("invalid oui length %d", len); 1337 return false; 1338 } 1339 1340 ScopedBytesRW paramBytes(env, param); 1341 jbyte* bytes = paramBytes.get(); 1342 if (bytes == NULL) { 1343 ALOGE("failed to get setScanningMacOui param array"); 1344 return false; 1345 } 1346 1347 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1348} 1349 1350static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1351 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1352} 1353 1354static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1355 jint iface, jint band) { 1356 1357 JNIHelper helper(env); 1358 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1359 ALOGD("getting valid channels %p", handle); 1360 1361 static const int MaxChannels = 64; 1362 wifi_channel channels[64]; 1363 int num_channels = 0; 1364 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1365 channels, &num_channels); 1366 1367 if (result == WIFI_SUCCESS) { 1368 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1369 if (channelArray == NULL) { 1370 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1371 return NULL; 1372 } 1373 1374 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1375 return channelArray.detach(); 1376 } else { 1377 ALOGE("failed to get channel list : %d", result); 1378 return NULL; 1379 } 1380} 1381 1382static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1383 1384 JNIHelper helper(env); 1385 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1386 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1387 1388 u32 nodfs = dfs ? 0 : 1; 1389 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1390 return result == WIFI_SUCCESS; 1391} 1392 1393static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1394 1395 JNIHelper helper(env); 1396 wifi_rtt_capabilities rtt_capabilities; 1397 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1398 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1399 1400 if(WIFI_SUCCESS == ret) { 1401 JNIObject<jobject> capabilities = helper.createObject( 1402 "android/net/wifi/RttManager$RttCapabilities"); 1403 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1404 rtt_capabilities.rtt_one_sided_supported == 1); 1405 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1406 rtt_capabilities.rtt_ftm_supported == 1); 1407 helper.setBooleanField(capabilities, "lciSupported", 1408 rtt_capabilities.lci_support); 1409 helper.setBooleanField(capabilities, "lcrSupported", 1410 rtt_capabilities.lcr_support); 1411 helper.setIntField(capabilities, "preambleSupported", 1412 rtt_capabilities.preamble_support); 1413 helper.setIntField(capabilities, "bwSupported", 1414 rtt_capabilities.bw_support); 1415 helper.setBooleanField(capabilities, "responderSupported", 1416 rtt_capabilities.responder_supported == 1); 1417 if (DBG) { 1418 ALOGD("One side RTT is %s", rtt_capabilities.rtt_one_sided_supported == 1 ? 1419 "supported" : "not supported"); 1420 ALOGD("Two side RTT is %s", rtt_capabilities.rtt_ftm_supported == 1 ? 1421 "supported" : "not supported"); 1422 ALOGD("LCR is %s", rtt_capabilities.lcr_support == 1 ? "supported" : "not supported"); 1423 ALOGD("LCI is %s", rtt_capabilities.lci_support == 1 ? "supported" : "not supported"); 1424 ALOGD("Supported preamble is %d", rtt_capabilities.preamble_support); 1425 ALOGD("Supported bandwidth is %d", rtt_capabilities.bw_support); 1426 ALOGD("Sta responder is %s", 1427 rtt_capabilities.responder_supported == 1 ? "supported" : "not supported"); 1428 } 1429 return capabilities.detach(); 1430 } else { 1431 return NULL; 1432 } 1433} 1434 1435static jobject android_net_wifi_get_apf_capabilities(JNIEnv *env, jclass cls, 1436 jint iface) { 1437 1438 JNIHelper helper(env); 1439 u32 version = 0, max_len = 0; 1440 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1441 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1442 1443 if (WIFI_SUCCESS == ret) { 1444 // Cannot just use createObject() because members are final and initializer values must be 1445 // passed via ApfCapabilities(). 1446 JNIObject<jclass> apf_cls(helper, env->FindClass("android/net/apf/ApfCapabilities")); 1447 if (apf_cls == NULL) { 1448 ALOGE("Error in finding class android/net/apf/ApfCapabilities"); 1449 return NULL; 1450 } 1451 jmethodID constructor = env->GetMethodID(apf_cls, "<init>", "(III)V"); 1452 if (constructor == 0) { 1453 ALOGE("Error in constructor ID for android/net/apf/ApfCapabilities"); 1454 return NULL; 1455 } 1456 JNIObject<jobject> capabilities(helper, env->NewObject(apf_cls, constructor, version, 1457 max_len, ARPHRD_ETHER)); 1458 if (capabilities == NULL) { 1459 ALOGE("Could not create new object of android/net/apf/ApfCapabilities"); 1460 return NULL; 1461 } 1462 ALOGD("APF version supported: %d", version); 1463 ALOGD("Maximum APF program size: %d", max_len); 1464 return capabilities.detach(); 1465 } else { 1466 return NULL; 1467 } 1468} 1469 1470static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1471 jbyteArray jfilter) { 1472 1473 JNIHelper helper(env); 1474 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1475 const u32 filter_len = env->GetArrayLength(jfilter); 1476 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1477 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1478 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1479 return WIFI_SUCCESS == ret; 1480} 1481 1482static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1483 jstring country_code) { 1484 1485 JNIHelper helper(env); 1486 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1487 1488 ScopedUtfChars chars(env, country_code); 1489 const char *country = chars.c_str(); 1490 1491 ALOGD("set country code: %s", country); 1492 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1493 return res == WIFI_SUCCESS; 1494} 1495 1496static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1497 jboolean enable, jstring addr) { 1498 1499 JNIHelper helper(env); 1500 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1501 1502 mac_addr address; 1503 parseMacAddress(env, addr, address); 1504 wifi_tdls_handler tdls_handler; 1505 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1506 1507 if(enable) { 1508 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1509 } else { 1510 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1511 } 1512} 1513 1514static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1515 1516 JNIHelper helper(mVM); 1517 1518 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1519 1520 char mac[32]; 1521 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1522 addr[5]); 1523 1524 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1525 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1526 mac_address.get(), status.state, status.reason); 1527 1528} 1529 1530static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1531 1532 JNIHelper helper(env); 1533 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1534 1535 mac_addr address; 1536 parseMacAddress(env, addr, address); 1537 1538 wifi_tdls_status status; 1539 1540 wifi_error ret; 1541 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1542 1543 if (ret != WIFI_SUCCESS) { 1544 return NULL; 1545 } else { 1546 JNIObject<jobject> tdls_status = helper.createObject( 1547 "com/android/server/wifi/WifiNative$TdlsStatus"); 1548 helper.setIntField(tdls_status, "channel", status.channel); 1549 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1550 helper.setIntField(tdls_status, "state", status.state); 1551 helper.setIntField(tdls_status, "reason", status.reason); 1552 return tdls_status.detach(); 1553 } 1554} 1555 1556static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1557 1558 JNIHelper helper(env); 1559 wifi_tdls_capabilities tdls_capabilities; 1560 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1561 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1562 1563 if (WIFI_SUCCESS == ret) { 1564 JNIObject<jobject> capabilities = helper.createObject( 1565 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1566 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1567 tdls_capabilities.max_concurrent_tdls_session_num); 1568 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1569 tdls_capabilities.is_global_tdls_supported == 1); 1570 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1571 tdls_capabilities.is_per_mac_tdls_supported == 1); 1572 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1573 tdls_capabilities.is_off_channel_tdls_supported); 1574 1575 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1576 tdls_capabilities.max_concurrent_tdls_session_num); 1577 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1578 "not support"); 1579 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1580 "not support"); 1581 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1582 "support" : "not support"); 1583 1584 return capabilities.detach(); 1585 } else { 1586 return NULL; 1587 } 1588} 1589 1590// ---------------------------------------------------------------------------- 1591// Debug framework 1592// ---------------------------------------------------------------------------- 1593static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1594 //Not implemented yet 1595 return -1; 1596} 1597 1598static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1599 //Need to be fixed. The memory should be allocated from lower layer 1600 //char *buffer = NULL; 1601 JNIHelper helper(env); 1602 int buffer_length = 256; 1603 char *buffer = (char *)malloc(buffer_length); 1604 if (!buffer) return NULL; 1605 memset(buffer, 0, buffer_length); 1606 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1607 1608 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1609 1610 if (handle == 0) { 1611 free(buffer); 1612 return NULL; 1613 } 1614 1615 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1616 1617 if (result == WIFI_SUCCESS) { 1618 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1619 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1620 free(buffer); 1621 return driver_version.detach(); 1622 } else { 1623 ALOGE("Fail to get driver version"); 1624 free(buffer); 1625 return NULL; 1626 } 1627} 1628 1629static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1630 1631 //char *buffer = NULL; 1632 JNIHelper helper(env); 1633 int buffer_length = 256; 1634 char *buffer = (char *)malloc(buffer_length); 1635 if (!buffer) return NULL; 1636 memset(buffer, 0, buffer_length); 1637 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1638 1639 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1640 1641 if (handle == 0) { 1642 free(buffer); 1643 return NULL; 1644 } 1645 1646 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1647 1648 if (result == WIFI_SUCCESS) { 1649 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1650 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1651 free(buffer); 1652 return firmware_version.detach(); 1653 } else { 1654 ALOGE("Fail to get Firmware version"); 1655 free(buffer); 1656 return NULL; 1657 } 1658} 1659 1660static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1661 1662 JNIHelper helper(env); 1663 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1664 1665 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1666 1667 if (handle == 0) { 1668 return NULL; 1669 } 1670 1671 //wifi_ring_buffer_status *status = NULL; 1672 u32 num_rings = 10; 1673 wifi_ring_buffer_status *status = 1674 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1675 if (!status) return NULL; 1676 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1677 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1678 if (result == WIFI_SUCCESS) { 1679 ALOGD("status is %p, number is %d", status, num_rings); 1680 1681 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1682 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1683 1684 wifi_ring_buffer_status *tmp = status; 1685 1686 for(u32 i = 0; i < num_rings; i++, tmp++) { 1687 1688 JNIObject<jobject> ringStatus = helper.createObject( 1689 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1690 1691 if (ringStatus == NULL) { 1692 ALOGE("Error in creating ringBufferStatus"); 1693 free(status); 1694 return NULL; 1695 } 1696 1697 char name[32]; 1698 for(int j = 0; j < 32; j++) { 1699 name[j] = tmp->name[j]; 1700 } 1701 1702 helper.setStringField(ringStatus, "name", name); 1703 helper.setIntField(ringStatus, "flag", tmp->flags); 1704 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1705 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1706 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1707 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1708 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1709 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1710 1711 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1712 } 1713 1714 free(status); 1715 return ringBuffersStatus.detach(); 1716 } else { 1717 free(status); 1718 return NULL; 1719 } 1720} 1721 1722static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1723 wifi_ring_buffer_status *status) { 1724 1725 if (!ring_name || !buffer || !status || 1726 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1727 ALOGE("Error input for on_ring_buffer_data!"); 1728 return; 1729 } 1730 1731 1732 JNIHelper helper(mVM); 1733 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1734 mCls, env, buffer_size); */ 1735 1736 JNIObject<jobject> ringStatus = helper.createObject( 1737 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1738 if (status == NULL) { 1739 ALOGE("Error in creating ringBufferStatus"); 1740 return; 1741 } 1742 1743 helper.setStringField(ringStatus, "name", ring_name); 1744 helper.setIntField(ringStatus, "flag", status->flags); 1745 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1746 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1747 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1748 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1749 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1750 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1751 1752 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1753 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1754 1755 helper.reportEvent(mCls,"onRingBufferData", 1756 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1757 ringStatus.get(), bytes.get()); 1758} 1759 1760static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1761 1762 JNIHelper helper(mVM); 1763 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1764 , mVM, mCls, buffer_size, err_code); 1765 1766 if (buffer_size > 0) { 1767 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1768 jbyte *bytes = (jbyte *) buffer; 1769 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1770 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1771 } else { 1772 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1773 } 1774} 1775 1776 1777static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1778 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1779 1780 JNIHelper helper(env); 1781 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1782 1783 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1784 1785 if (handle == 0) { 1786 return false; 1787 } 1788 1789 ScopedUtfChars chars(env, ring_name); 1790 const char* ring_name_const_char = chars.c_str(); 1791 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1792 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1793 1794 if (ret != WIFI_SUCCESS) { 1795 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1796 } else { 1797 ALOGD("start logging for ring %s", ring_name_const_char); 1798 } 1799 1800 return ret == WIFI_SUCCESS; 1801} 1802 1803static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1804 jstring ring_name) { 1805 1806 JNIHelper helper(env); 1807 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1808 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1809 1810 ScopedUtfChars chars(env, ring_name); 1811 const char* ring_name_const_char = chars.c_str(); 1812 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1813 return result == WIFI_SUCCESS; 1814} 1815 1816 1817void on_firmware_memory_dump(char *buffer, int buffer_size) { 1818 1819 JNIHelper helper(mVM); 1820 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1821 , mVM, mCls, env, buffer_size); */ 1822 1823 if (buffer_size > 0) { 1824 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1825 jbyte *bytes = (jbyte *) (buffer); 1826 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1827 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1828 } 1829} 1830 1831static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1832 1833 JNIHelper helper(env); 1834 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1835 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1836 1837 if (handle == NULL) { 1838 ALOGE("Can not get wifi_interface_handle"); 1839 return false; 1840 } 1841 1842 wifi_firmware_memory_dump_handler fw_dump_handle; 1843 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1844 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1845 return result == WIFI_SUCCESS; 1846 1847} 1848 1849static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1850 1851 JNIHelper helper(env); 1852 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1853 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1854 1855 //initialize the handler on first time 1856 wifi_ring_buffer_data_handler handler; 1857 handler.on_ring_buffer_data = &on_ring_buffer_data; 1858 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1859 if (result != WIFI_SUCCESS) { 1860 ALOGE("Fail to set logging handler"); 1861 return false; 1862 } 1863 1864 //set alter handler This will start alert too 1865 wifi_alert_handler alert_handler; 1866 alert_handler.on_alert = &on_alert_data; 1867 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1868 if (result != WIFI_SUCCESS) { 1869 ALOGE(" Fail to set alert handler"); 1870 return false; 1871 } 1872 1873 return true; 1874} 1875 1876static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1877 1878 JNIHelper helper(env); 1879 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1880 1881 //reset alter handler 1882 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1883 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1884 if (result != WIFI_SUCCESS) { 1885 ALOGE(" Fail to reset alert handler"); 1886 return false; 1887 } 1888 1889 //reset log handler 1890 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1891 result = hal_fn.wifi_reset_log_handler(id, handle); 1892 if (result != WIFI_SUCCESS) { 1893 ALOGE("Fail to reset logging handler"); 1894 return false; 1895 } 1896 1897 return true; 1898} 1899 1900// ---------------------------------------------------------------------------- 1901// ePno framework 1902// ---------------------------------------------------------------------------- 1903 1904 1905static void onPnoNetworkFound(wifi_request_id id, 1906 unsigned num_results, wifi_scan_result *results) { 1907 JNIHelper helper(mVM); 1908 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 1909 1910 if (results == NULL || num_results == 0) { 1911 ALOGE("onPnoNetworkFound: Error no results"); 1912 return; 1913 } 1914 1915 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 1916 "android/net/wifi/ScanResult", NULL); 1917 if (scanResults == NULL) { 1918 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 1919 return; 1920 } 1921 1922 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 1923 if (beaconCaps == NULL) { 1924 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 1925 return; 1926 } 1927 1928 for (unsigned i=0; i<num_results; i++) { 1929 1930 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 1931 if (scanResult == NULL) { 1932 ALOGE("Error in creating scan result"); 1933 return; 1934 } 1935 1936 helper.setObjectArrayElement(scanResults, i, scanResult); 1937 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 1938 1939 if (DBG) { 1940 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1941 results->ie_length, i, results[i].ssid, results[i].rssi, 1942 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 1943 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 1944 } 1945 } 1946 1947 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 1948 scanResults.get(), beaconCaps.get()); 1949} 1950 1951static jboolean android_net_wifi_setPnoListNative( 1952 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 1953 1954 JNIHelper helper(env); 1955 wifi_epno_handler handler; 1956 handler.on_network_found = &onPnoNetworkFound; 1957 1958 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1959 ALOGD("configure ePno list request [%d] = %p", id, handle); 1960 1961 if (settings == NULL) { 1962 return false; 1963 } 1964 1965 JNIObject<jobjectArray> list = helper.getArrayField(settings, "networkList", 1966 "[Lcom/android/server/wifi/WifiNative$PnoNetwork;"); 1967 if (list == NULL) { 1968 return false; 1969 } 1970 1971 size_t len = helper.getArrayLength(list); 1972 if (len > (size_t)MAX_EPNO_NETWORKS) { 1973 return false; 1974 } 1975 1976 wifi_epno_params params; 1977 memset(¶ms, 0, sizeof(params)); 1978 1979 for (unsigned int i = 0; i < len; i++) { 1980 1981 JNIObject<jobject> pno_net = helper.getObjectArrayElement(list, i); 1982 if (pno_net == NULL) { 1983 ALOGE("setPnoListNative: could not get element %d", i); 1984 continue; 1985 } 1986 1987 JNIObject<jstring> sssid = helper.getStringField(pno_net, "ssid"); 1988 if (sssid == NULL) { 1989 ALOGE("Error setPnoListNative: getting ssid field"); 1990 return false; 1991 } 1992 1993 ScopedUtfChars chars(env, (jstring)sssid.get()); 1994 const char *ssid = chars.c_str(); 1995 if (ssid == NULL) { 1996 ALOGE("Error setPnoListNative: getting ssid"); 1997 return false; 1998 } 1999 int ssid_len = strnlen((const char*)ssid, 33); 2000 if (ssid_len > 32) { 2001 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 2002 return false; 2003 } 2004 2005 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 2006 { 2007 // strip leading and trailing '"' 2008 ssid++; 2009 ssid_len-=2; 2010 } 2011 if (ssid_len == 0) { 2012 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 2013 continue; 2014 } 2015 memcpy(params.networks[i].ssid, ssid, ssid_len); 2016 2017 params.networks[i].auth_bit_field = helper.getByteField(pno_net, "auth_bit_field"); 2018 params.networks[i].flags = helper.getByteField(pno_net, "flags"); 2019 ALOGD(" setPnoListNative: idx %u auth %x flags %x [%s]", i, 2020 params.networks[i].auth_bit_field, params.networks[i].flags, 2021 params.networks[i].ssid); 2022 } 2023 params.min5GHz_rssi = helper.getIntField(settings, "min5GHzRssi"); 2024 params.min24GHz_rssi = helper.getIntField(settings, "min24GHzRssi"); 2025 params.initial_score_max = helper.getIntField(settings, "initialScoreMax"); 2026 params.current_connection_bonus = helper.getIntField(settings, "currentConnectionBonus"); 2027 params.same_network_bonus = helper.getIntField(settings, "sameNetworkBonus"); 2028 params.secure_bonus = helper.getIntField(settings, "secureBonus"); 2029 params.band5GHz_bonus = helper.getIntField(settings, "band5GHzBonus"); 2030 params.num_networks = len; 2031 2032 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 2033 ALOGD(" setPnoListNative: result %d", result); 2034 2035 return result >= 0; 2036} 2037 2038static jboolean android_net_wifi_resetPnoListNative( 2039 JNIEnv *env, jclass cls, jint iface, jint id) { 2040 2041 JNIHelper helper(env); 2042 2043 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2044 ALOGD("reset ePno list request [%d] = %p", id, handle); 2045 2046 // stop pno 2047 int result = hal_fn.wifi_reset_epno_list(id, handle); 2048 ALOGD(" ressetPnoListNative: result = %d", result); 2049 return result >= 0; 2050} 2051 2052static jboolean android_net_wifi_setBssidBlacklist( 2053 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 2054 2055 JNIHelper helper(env); 2056 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2057 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 2058 2059 wifi_bssid_params params; 2060 memset(¶ms, 0, sizeof(params)); 2061 2062 if (list != NULL) { 2063 size_t len = helper.getArrayLength((jobjectArray)list); 2064 if (len > (size_t)MAX_BLACKLIST_BSSID) { 2065 return false; 2066 } 2067 for (unsigned int i = 0; i < len; i++) { 2068 2069 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 2070 if (jbssid == NULL) { 2071 ALOGE("configure BSSID blacklist: could not get element %d", i); 2072 continue; 2073 } 2074 2075 ScopedUtfChars chars(env, (jstring)jbssid.get()); 2076 const char *bssid = chars.c_str(); 2077 if (bssid == NULL) { 2078 ALOGE("Error getting bssid"); 2079 return false; 2080 } 2081 2082 mac_addr addr; 2083 parseMacAddress(bssid, addr); 2084 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2085 2086 char bssidOut[32]; 2087 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 2088 addr[2], addr[3], addr[4], addr[5]); 2089 2090 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2091 2092 params.num_bssid++; 2093 } 2094 } 2095 2096 ALOGD("Added %d bssids", params.num_bssid); 2097 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2098} 2099 2100static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2101 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2102 JNIHelper helper(env); 2103 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2104 ALOGD("Start packet offload [%d] = %p", idx, handle); 2105 wifi_error ret; 2106 wifi_request_id id = idx; 2107 2108 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2109 2110 byte * pkt_data = (byte*) pktBytes.get(); 2111 unsigned short pkt_len = env->GetArrayLength(pkt); 2112 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2113 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2114 int i; 2115 char macAddr[32]; 2116 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", src_mac_addr[0], src_mac_addr[1], 2117 src_mac_addr[2], src_mac_addr[3], src_mac_addr[4], src_mac_addr[5]); 2118 ALOGD("src_mac_addr %s", macAddr); 2119 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", dst_mac_addr[0], dst_mac_addr[1], 2120 dst_mac_addr[2], dst_mac_addr[3], dst_mac_addr[4], dst_mac_addr[5]); 2121 ALOGD("dst_mac_addr %s", macAddr); 2122 ALOGD("pkt_len %d\n", pkt_len); 2123 ALOGD("Pkt data : "); 2124 for(i = 0; i < pkt_len; i++) { 2125 ALOGD(" %x ", pkt_data[i]); 2126 } 2127 ALOGD("\n"); 2128 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2129 src_mac_addr, dst_mac_addr, period); 2130 ALOGD("ret= %d\n", ret); 2131 return ret; 2132} 2133 2134static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2135 jint iface, jint idx) { 2136 int ret; 2137 JNIHelper helper(env); 2138 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2139 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2140 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2141 ALOGD("ret= %d\n", ret); 2142 return ret; 2143} 2144 2145static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2146 2147 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2148 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2149 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2150 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2151 JNIHelper helper(mVM); 2152 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2153 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2154} 2155 2156static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2157 jint idx, jbyte maxRssi, jbyte minRssi) { 2158 2159 JNIHelper helper(env); 2160 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2161 ALOGD("Start Rssi monitoring = %p", handle); 2162 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2163 wifi_error ret; 2164 wifi_request_id id = idx; 2165 wifi_rssi_event_handler eh; 2166 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2167 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2168 return ret; 2169} 2170 2171static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2172 jint iface, jint idx) { 2173 JNIHelper helper(env); 2174 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2175 ALOGD("Stop Rssi monitoring = %p", handle); 2176 wifi_error ret; 2177 wifi_request_id id = idx; 2178 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2179 return ret; 2180} 2181 2182static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2183 2184 JNIHelper helper(env); 2185 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2186 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2187 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2188 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2189 wifi_error ret; 2190 2191 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2192 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2193 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2194 2195 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2196 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2197 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2198 2199 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2200 2201 if (ret != WIFI_SUCCESS) { 2202 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2203 return NULL; 2204 } 2205 2206 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2207 if (stats == NULL) { 2208 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2209 return NULL; 2210 } 2211 JNIObject<jintArray> cmd_wake_arr = 2212 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2213 if (cmd_wake_arr == NULL) { 2214 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2215 return NULL; 2216 } 2217 JNIObject<jintArray> local_wake_arr = 2218 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2219 if (local_wake_arr == NULL) { 2220 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2221 return NULL; 2222 } 2223 2224 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2225 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2226 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2227 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2228 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2229 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2230 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2231 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2232 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2233 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2234 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2235 helper.setIntField(stats, "ipv4RxMulticast", 2236 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2237 helper.setIntField(stats, "ipv6Multicast", 2238 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2239 helper.setIntField(stats, "otherRxMulticast", 2240 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2241 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2242 wake_reason_cnt.cmd_event_wake_cnt); 2243 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2244 wake_reason_cnt.driver_fw_local_wake_cnt); 2245 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2246 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2247 return stats.detach(); 2248} 2249 2250static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2251 JNIHelper helper(env); 2252 ALOGV("Reading kernel logs"); 2253 2254 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2255 if (size < 1) { 2256 ALOGD("no kernel logs"); 2257 return helper.newByteArray(0).detach(); 2258 } 2259 2260 char *buf = (char *)malloc(size); 2261 if (buf == NULL) { 2262 ALOGD("can't allocate temporary storage"); 2263 return helper.newByteArray(0).detach(); 2264 } 2265 2266 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2267 if (read < 0) { 2268 ALOGD("can't read logs - %d", read); 2269 free(buf); 2270 return helper.newByteArray(0).detach(); 2271 } else { 2272 ALOGV("read %d bytes", read); 2273 } 2274 2275 if (read != size) { 2276 ALOGV("read %d bytes, expecting %d", read, size); 2277 } 2278 2279 JNIObject<jbyteArray> result = helper.newByteArray(read); 2280 if (result.isNull()) { 2281 ALOGD("can't allocate array"); 2282 free(buf); 2283 return result.detach(); 2284 } 2285 2286 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2287 free(buf); 2288 return result.detach(); 2289} 2290 2291static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2292 jint iface, jboolean enable) { 2293 JNIHelper helper(env); 2294 return hal_fn.wifi_configure_nd_offload( 2295 getIfaceHandle(helper, cls, iface), 2296 static_cast<int>(enable)); 2297} 2298 2299 2300// ---------------------------------------------------------------------------- 2301 2302/* 2303 * JNI registration. 2304 */ 2305static JNINativeMethod gWifiMethods[] = { 2306 /* name, signature, funcPtr */ 2307 2308 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2309 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2310 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2311 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2312 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2313 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2314 { "closeSupplicantConnectionNative", "()V", 2315 (void *)android_net_wifi_closeSupplicantConnection }, 2316 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2317 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2318 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2319 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2320 (void*) android_net_wifi_doStringCommand }, 2321 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2322 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2323 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2324 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2325 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2326 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2327 (void *) android_net_wifi_getScanCapabilities}, 2328 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2329 (void*) android_net_wifi_startScan}, 2330 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2331 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2332 (void *) android_net_wifi_getScanResults}, 2333 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2334 (void*) android_net_wifi_setHotlist}, 2335 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2336 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2337 (void*) android_net_wifi_trackSignificantWifiChange}, 2338 { "untrackSignificantWifiChangeNative", "(II)Z", 2339 (void*) android_net_wifi_untrackSignificantWifiChange}, 2340 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2341 (void*) android_net_wifi_getLinkLayerStats}, 2342 { "setWifiLinkLayerStatsNative", "(II)V", 2343 (void*) android_net_wifi_setLinkLayerStats}, 2344 { "getSupportedFeatureSetNative", "(I)I", 2345 (void*) android_net_wifi_getSupportedFeatures}, 2346 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2347 (void*) android_net_wifi_requestRange}, 2348 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2349 (void*) android_net_wifi_cancelRange}, 2350 { "enableRttResponderNative", 2351 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2352 (void*) android_net_wifi_enableResponder}, 2353 { "disableRttResponderNative", "(II)Z", 2354 (void*) android_net_wifi_disableResponder}, 2355 2356 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2357 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2358 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2359 { "setInterfaceUpNative", "(Z)Z", (void*) android_net_wifi_set_interface_up}, 2360 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2361 (void*) android_net_wifi_get_rtt_capabilities}, 2362 { "getApfCapabilitiesNative", "(I)Landroid/net/apf/ApfCapabilities;", 2363 (void*) android_net_wifi_get_apf_capabilities}, 2364 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2365 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2366 (void*) android_net_wifi_set_Country_Code_Hal}, 2367 { "setPnoListNative", "(IILcom/android/server/wifi/WifiNative$PnoSettings;)Z", 2368 (void*) android_net_wifi_setPnoListNative}, 2369 { "resetPnoListNative", "(II)Z", (void*) android_net_wifi_resetPnoListNative}, 2370 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2371 (void*) android_net_wifi_enable_disable_tdls}, 2372 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2373 (void*) android_net_wifi_get_tdls_status}, 2374 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2375 (void*) android_net_wifi_get_tdls_capabilities}, 2376 {"getSupportedLoggerFeatureSetNative","(I)I", 2377 (void*) android_net_wifi_get_supported_logger_feature}, 2378 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2379 (void*) android_net_wifi_get_driver_version}, 2380 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2381 (void*) android_net_wifi_get_firmware_version}, 2382 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2383 (void*) android_net_wifi_get_ring_buffer_status}, 2384 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2385 (void*) android_net_wifi_start_logging_ring_buffer}, 2386 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2387 (void*) android_net_wifi_get_ring_buffer_data}, 2388 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2389 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2390 (void*)android_net_wifi_setBssidBlacklist}, 2391 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2392 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2393 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2394 (void*)android_net_wifi_start_sending_offloaded_packet}, 2395 { "stopSendingOffloadedPacketNative", "(II)I", 2396 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2397 {"startRssiMonitoringNative", "(IIBB)I", 2398 (void*)android_net_wifi_start_rssi_monitoring_native}, 2399 {"stopRssiMonitoringNative", "(II)I", 2400 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2401 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2402 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2403 {"isGetChannelsForBandSupportedNative", "()Z", 2404 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2405 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2406 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2407}; 2408 2409/* User to register native functions */ 2410extern "C" 2411jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2412 // initialization needed for unit test APK 2413 JniConstants::init(env); 2414 2415 return jniRegisterNativeMethods(env, 2416 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2417} 2418 2419}; // namespace android 2420