com_android_server_wifi_WifiNative.cpp revision ff866c96ff5456bb0741aecbc26a4b097e798ece
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// Let's cache the supported feature set to avoid unnecessary HAL invocations. 949feature_set cached_feature_set = 0; 950 951bool isTxLevelStatsPresent(wifi_radio_stat *radio_stats) { 952 if (IS_SUPPORTED_FEATURE(WIFI_FEATURE_TX_TRANSMIT_POWER, cached_feature_set)) { 953 if(radio_stats->tx_time_per_levels != 0 && radio_stats->num_tx_levels > 0) { 954 return true; 955 } else { 956 ALOGE("Ignoring invalid tx_level info in radio_stats"); 957 } 958 } 959 return false; 960} 961 962void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 963 int num_radios, wifi_radio_stat *radio_stats) 964{ 965 if (iface_stat != 0) { 966 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 967 } else { 968 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 969 } 970 971 if (num_radios > 0 && radio_stats != 0) { 972 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 973 if (isTxLevelStatsPresent(radio_stats)) { 974 // This realloc should be a no-op after the first allocation because for a given 975 // device, the number of power levels should not change. 976 u32 arr_size = sizeof(u32) * radio_stats->num_tx_levels; 977 tx_time_per_level_arr = (u32 *)realloc(tx_time_per_level_arr, arr_size); 978 memcpy(tx_time_per_level_arr, radio_stats->tx_time_per_levels, arr_size); 979 radio_stat.tx_time_per_levels = tx_time_per_level_arr; 980 } else { 981 radio_stat.num_tx_levels = 0; 982 radio_stat.tx_time_per_levels = 0; 983 } 984 } else { 985 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 986 } 987} 988 989static void android_net_wifi_setLinkLayerStats (JNIEnv *env, jclass cls, jint iface, int enable) { 990 JNIHelper helper(env); 991 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 992 993 wifi_link_layer_params params; 994 params.aggressive_statistics_gathering = enable; 995 params.mpdu_size_threshold = 128; 996 997 ALOGD("android_net_wifi_setLinkLayerStats: %u\n", enable); 998 999 hal_fn.wifi_set_link_stats(handle, params); 1000} 1001 1002static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1003 1004 JNIHelper helper(env); 1005 wifi_stats_result_handler handler; 1006 memset(&handler, 0, sizeof(handler)); 1007 handler.on_link_stats_results = &onLinkStatsResults; 1008 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1009 int result; 1010 // Cache the features supported by the device to determine if tx level stats are present or not 1011 if (cached_feature_set == 0) { 1012 result = hal_fn.wifi_get_supported_feature_set(handle, &cached_feature_set); 1013 if (result != WIFI_SUCCESS) { 1014 cached_feature_set = 0; 1015 } 1016 } 1017 1018 result = hal_fn.wifi_get_link_stats(0, handle, handler); 1019 if (result < 0) { 1020 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1021 return NULL; 1022 } 1023 1024 JNIObject<jobject> wifiLinkLayerStats = helper.createObject( 1025 "android/net/wifi/WifiLinkLayerStats"); 1026 if (wifiLinkLayerStats == NULL) { 1027 ALOGE("Error in allocating wifiLinkLayerStats"); 1028 return NULL; 1029 } 1030 1031 JNIObject<jintArray> tx_time_per_level = helper.newIntArray(radio_stat.num_tx_levels); 1032 if (tx_time_per_level == NULL) { 1033 ALOGE("Error in allocating wifiLinkLayerStats"); 1034 return NULL; 1035 } 1036 1037 helper.setIntField(wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1038 helper.setIntField(wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1039 helper.setLongField(wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1040 helper.setLongField(wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1041 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1042 helper.setLongField(wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1043 helper.setLongField(wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1044 helper.setLongField(wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1045 helper.setLongField(wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1046 helper.setLongField(wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1047 helper.setLongField(wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1048 helper.setLongField(wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1049 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1050 helper.setLongField(wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1051 helper.setLongField(wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1052 helper.setLongField(wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1053 helper.setLongField(wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1054 helper.setLongField(wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1055 1056 helper.setIntField(wifiLinkLayerStats, "on_time", radio_stat.on_time); 1057 helper.setIntField(wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1058 helper.setIntField(wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1059 helper.setIntField(wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1060 if (radio_stat.tx_time_per_levels != 0) { 1061 helper.setIntArrayRegion(tx_time_per_level, 0, radio_stat.num_tx_levels, 1062 (jint *)radio_stat.tx_time_per_levels); 1063 } 1064 helper.setObjectField(wifiLinkLayerStats, "tx_time_per_level", "[I", tx_time_per_level); 1065 1066 1067 return wifiLinkLayerStats.detach(); 1068} 1069 1070static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1071 1072 JNIHelper helper(env); 1073 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1074 feature_set set = 0; 1075 1076 wifi_error result = WIFI_SUCCESS; 1077 /* 1078 set = WIFI_FEATURE_INFRA 1079 | WIFI_FEATURE_INFRA_5G 1080 | WIFI_FEATURE_HOTSPOT 1081 | WIFI_FEATURE_P2P 1082 | WIFI_FEATURE_SOFT_AP 1083 | WIFI_FEATURE_GSCAN 1084 | WIFI_FEATURE_PNO 1085 | WIFI_FEATURE_TDLS 1086 | WIFI_FEATURE_EPR; 1087 */ 1088 1089 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1090 if (result == WIFI_SUCCESS) { 1091 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1092 return set; 1093 } else { 1094 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1095 return 0; 1096 } 1097} 1098 1099static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1100 1101 JNIHelper helper(mVM); 1102 1103 ALOGD("onRttResults called, vm = %p, obj = %p", mVM, mCls); 1104 1105 JNIObject<jobjectArray> rttResults = helper.newObjectArray( 1106 num_results, "android/net/wifi/RttManager$RttResult", NULL); 1107 if (rttResults == NULL) { 1108 ALOGE("Error in allocating RttResult array in onRttResults, length=%d", num_results); 1109 return; 1110 } 1111 1112 for (unsigned i = 0; i < num_results; i++) { 1113 1114 wifi_rtt_result *result = results[i]; 1115 1116 JNIObject<jobject> rttResult = helper.createObject("android/net/wifi/RttManager$RttResult"); 1117 if (rttResult == NULL) { 1118 ALOGE("Error in creating rtt result in onRttResults"); 1119 return; 1120 } 1121 1122 char bssid[32]; 1123 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1124 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1125 1126 helper.setStringField(rttResult, "bssid", bssid); 1127 helper.setIntField( rttResult, "burstNumber", result->burst_num); 1128 helper.setIntField( rttResult, "measurementFrameNumber", result->measurement_number); 1129 helper.setIntField( rttResult, "successMeasurementFrameNumber", result->success_number); 1130 helper.setIntField(rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1131 helper.setIntField( rttResult, "status", result->status); 1132 helper.setIntField( rttResult, "measurementType", result->type); 1133 helper.setIntField(rttResult, "retryAfterDuration", result->retry_after_duration); 1134 helper.setLongField(rttResult, "ts", result->ts / 100); 1135 helper.setIntField( rttResult, "rssi", result->rssi); 1136 helper.setIntField( rttResult, "rssiSpread", result->rssi_spread); 1137 helper.setIntField( rttResult, "txRate", result->tx_rate.bitrate); 1138 helper.setIntField( rttResult, "rxRate", result->rx_rate.bitrate); 1139 helper.setLongField(rttResult, "rtt", result->rtt); 1140 helper.setLongField(rttResult, "rttStandardDeviation", result->rtt_sd); 1141 helper.setIntField( rttResult, "distance", result->distance_mm / 10); 1142 helper.setIntField( rttResult, "distanceStandardDeviation", result->distance_sd_mm / 10); 1143 helper.setIntField( rttResult, "distanceSpread", result->distance_spread_mm / 10); 1144 helper.setIntField( rttResult, "burstDuration", result->burst_duration); 1145 helper.setIntField( rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1146 1147 JNIObject<jobject> LCI = helper.createObject( 1148 "android/net/wifi/RttManager$WifiInformationElement"); 1149 if (result->LCI != NULL && result->LCI->len > 0) { 1150 ALOGD("Add LCI in result"); 1151 helper.setByteField(LCI, "id", result->LCI->id); 1152 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1153 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1154 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1155 helper.setObjectField(LCI, "data", "[B", elements); 1156 } else { 1157 ALOGD("No LCI in result"); 1158 helper.setByteField(LCI, "id", (byte)(0xff)); 1159 } 1160 helper.setObjectField(rttResult, "LCI", 1161 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1162 1163 JNIObject<jobject> LCR = helper.createObject( 1164 "android/net/wifi/RttManager$WifiInformationElement"); 1165 if (result->LCR != NULL && result->LCR->len > 0) { 1166 ALOGD("Add LCR in result"); 1167 helper.setByteField(LCR, "id", result->LCR->id); 1168 JNIObject<jbyteArray> elements = helper.newByteArray(result->LCI->len); 1169 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1170 helper.setByteArrayRegion(elements, 0, result->LCI->len, bytes); 1171 helper.setObjectField(LCR, "data", "[B", elements); 1172 } else { 1173 ALOGD("No LCR in result"); 1174 helper.setByteField(LCR, "id", (byte)(0xff)); 1175 } 1176 helper.setObjectField(rttResult, "LCR", 1177 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1178 1179 helper.setObjectArrayElement(rttResults, i, rttResult); 1180 } 1181 1182 helper.reportEvent(mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1183 id, rttResults.get()); 1184} 1185 1186const int MaxRttConfigs = 16; 1187 1188static jboolean android_net_wifi_requestRange( 1189 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1190 1191 JNIHelper helper(env); 1192 1193 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1194 ALOGD("sending rtt request [%d] = %p", id, handle); 1195 if (params == NULL) { 1196 ALOGE("ranging params are empty"); 1197 return false; 1198 } 1199 1200 wifi_rtt_config configs[MaxRttConfigs]; 1201 memset(&configs, 0, sizeof(configs)); 1202 1203 int len = helper.getArrayLength((jobjectArray)params); 1204 if (len > MaxRttConfigs) { 1205 return false; 1206 } 1207 1208 for (int i = 0; i < len; i++) { 1209 1210 JNIObject<jobject> param = helper.getObjectArrayElement((jobjectArray)params, i); 1211 if (param == NULL) { 1212 ALOGD("could not get element %d", i); 1213 continue; 1214 } 1215 1216 wifi_rtt_config &config = configs[i]; 1217 1218 parseMacAddress(env, param, config.addr); 1219 config.type = (wifi_rtt_type)helper.getIntField(param, "requestType"); 1220 config.peer = (rtt_peer_type)helper.getIntField(param, "deviceType"); 1221 config.channel.center_freq = helper.getIntField(param, "frequency"); 1222 config.channel.width = (wifi_channel_width) helper.getIntField(param, "channelWidth"); 1223 config.channel.center_freq0 = helper.getIntField(param, "centerFreq0"); 1224 config.channel.center_freq1 = helper.getIntField(param, "centerFreq1"); 1225 1226 config.num_burst = helper.getIntField(param, "numberBurst"); 1227 config.burst_period = (unsigned) helper.getIntField(param, "interval"); 1228 config.num_frames_per_burst = (unsigned) helper.getIntField(param, "numSamplesPerBurst"); 1229 config.num_retries_per_rtt_frame = (unsigned) helper.getIntField(param, 1230 "numRetriesPerMeasurementFrame"); 1231 config.num_retries_per_ftmr = (unsigned) helper.getIntField(param, "numRetriesPerFTMR"); 1232 config.LCI_request = helper.getBoolField(param, "LCIRequest") ? 1 : 0; 1233 config.LCR_request = helper.getBoolField(param, "LCRRequest") ? 1 : 0; 1234 config.burst_duration = (unsigned) helper.getIntField(param, "burstTimeout"); 1235 config.preamble = (wifi_rtt_preamble) helper.getIntField(param, "preamble"); 1236 config.bw = (wifi_rtt_bw) helper.getIntField(param, "bandwidth"); 1237 1238 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1239 config.type,config.peer, config.channel.width, config.channel.center_freq); 1240 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1241 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1242 config.burst_period); 1243 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1244 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1245 config.num_retries_per_ftmr); 1246 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1247 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1248 config.bw); 1249 } 1250 1251 wifi_rtt_event_handler handler; 1252 handler.on_rtt_results = &onRttResults; 1253 1254 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1255} 1256 1257static jboolean android_net_wifi_cancelRange( 1258 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1259 1260 JNIHelper helper(env); 1261 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1262 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1263 1264 if (params == NULL) { 1265 ALOGE("ranging params are empty"); 1266 return false; 1267 } 1268 1269 mac_addr addrs[MaxRttConfigs]; 1270 memset(&addrs, 0, sizeof(addrs)); 1271 1272 int len = helper.getArrayLength((jobjectArray)params); 1273 if (len > MaxRttConfigs) { 1274 return false; 1275 } 1276 1277 for (int i = 0; i < len; i++) { 1278 1279 JNIObject<jobject> param = helper.getObjectArrayElement(params, i); 1280 if (param == NULL) { 1281 ALOGD("could not get element %d", i); 1282 continue; 1283 } 1284 1285 parseMacAddress(env, param, addrs[i]); 1286 } 1287 1288 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1289} 1290 1291static jobject android_net_wifi_enableResponder( 1292 JNIEnv *env, jclass cls, jint iface, jint id, jint timeout_seconds, jobject channel_hint) { 1293 JNIHelper helper(env); 1294 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1295 if (DBG) ALOGD("enabling responder request [%d] = %p", id, handle); 1296 wifi_channel_info channel; 1297 // Get channel information from HAL if it's not provided by caller. 1298 if (channel_hint == NULL) { 1299 bool status = hal_fn.wifi_rtt_get_available_channel(handle, &channel); 1300 if (status != WIFI_SUCCESS) { 1301 ALOGE("could not get available channel for responder"); 1302 return NULL; 1303 } 1304 } else { 1305 channel.center_freq = helper.getIntField(channel_hint, "mPrimaryFrequency"); 1306 channel.center_freq0 = helper.getIntField(channel_hint, "mCenterFrequency0"); 1307 channel.center_freq1 = helper.getIntField(channel_hint, "mCenterFrequency1"); 1308 channel.width = (wifi_channel_width)helper.getIntField(channel_hint, "mChannelWidth"); 1309 } 1310 1311 if (DBG) { 1312 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1313 channel.width, channel.center_freq, channel.center_freq0); 1314 } 1315 wifi_channel_info channel_used; 1316 bool status = hal_fn.wifi_enable_responder(id, handle, channel, timeout_seconds, 1317 &channel_used); 1318 if (status != WIFI_SUCCESS) { 1319 ALOGE("enabling responder mode failed"); 1320 return NULL; 1321 } 1322 if (DBG) { 1323 ALOGD("wifi_channel_width: %d, center_freq: %d, center_freq0: %d", 1324 channel_used.width, channel_used.center_freq, channel_used.center_freq0); 1325 } 1326 JNIObject<jobject> responderConfig = 1327 helper.createObject("android/net/wifi/RttManager$ResponderConfig"); 1328 if (responderConfig == NULL) return NULL; 1329 helper.setIntField(responderConfig, "frequency", channel_used.center_freq); 1330 helper.setIntField(responderConfig, "centerFreq0", channel_used.center_freq0); 1331 helper.setIntField(responderConfig, "centerFreq1", channel_used.center_freq1); 1332 helper.setIntField(responderConfig, "channelWidth", channel_used.width); 1333 // TODO: use preamble from chip once it's populated. 1334 const int preamble = 0x02; 1335 helper.setIntField(responderConfig, "preamble", preamble); 1336 return responderConfig.detach(); 1337} 1338 1339static jboolean android_net_wifi_disableResponder( 1340 JNIEnv *env, jclass cls, jint iface, jint id) { 1341 JNIHelper helper(env); 1342 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1343 if (DBG) ALOGD("disabling responder request [%d] = %p", id, handle); 1344 return hal_fn.wifi_disable_responder(id, handle) == WIFI_SUCCESS; 1345} 1346 1347 1348static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1349 jint iface, jbyteArray param) { 1350 1351 JNIHelper helper(env); 1352 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1353 ALOGD("setting scan oui %p", handle); 1354 1355 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1356 int len = helper.getArrayLength(param); 1357 if (len != oui_len) { 1358 ALOGE("invalid oui length %d", len); 1359 return false; 1360 } 1361 1362 ScopedBytesRW paramBytes(env, param); 1363 jbyte* bytes = paramBytes.get(); 1364 if (bytes == NULL) { 1365 ALOGE("failed to get setScanningMacOui param array"); 1366 return false; 1367 } 1368 1369 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1370} 1371 1372static jboolean android_net_wifi_is_get_channels_for_band_supported(JNIEnv *env, jclass cls){ 1373 return (hal_fn.wifi_get_valid_channels == wifi_get_valid_channels_stub); 1374} 1375 1376static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1377 jint iface, jint band) { 1378 1379 JNIHelper helper(env); 1380 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1381 ALOGD("getting valid channels %p", handle); 1382 1383 static const int MaxChannels = 64; 1384 wifi_channel channels[64]; 1385 int num_channels = 0; 1386 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1387 channels, &num_channels); 1388 1389 if (result == WIFI_SUCCESS) { 1390 JNIObject<jintArray> channelArray = helper.newIntArray(num_channels); 1391 if (channelArray == NULL) { 1392 ALOGE("failed to allocate channel list, num_channels=%d", num_channels); 1393 return NULL; 1394 } 1395 1396 helper.setIntArrayRegion(channelArray, 0, num_channels, channels); 1397 return channelArray.detach(); 1398 } else { 1399 ALOGE("failed to get channel list : %d", result); 1400 return NULL; 1401 } 1402} 1403 1404static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1405 1406 JNIHelper helper(env); 1407 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1408 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1409 1410 u32 nodfs = dfs ? 0 : 1; 1411 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1412 return result == WIFI_SUCCESS; 1413} 1414 1415static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1416 1417 JNIHelper helper(env); 1418 wifi_rtt_capabilities rtt_capabilities; 1419 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1420 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1421 1422 if(WIFI_SUCCESS == ret) { 1423 JNIObject<jobject> capabilities = helper.createObject( 1424 "android/net/wifi/RttManager$RttCapabilities"); 1425 helper.setBooleanField(capabilities, "oneSidedRttSupported", 1426 rtt_capabilities.rtt_one_sided_supported == 1); 1427 helper.setBooleanField(capabilities, "twoSided11McRttSupported", 1428 rtt_capabilities.rtt_ftm_supported == 1); 1429 helper.setBooleanField(capabilities, "lciSupported", 1430 rtt_capabilities.lci_support); 1431 helper.setBooleanField(capabilities, "lcrSupported", 1432 rtt_capabilities.lcr_support); 1433 helper.setIntField(capabilities, "preambleSupported", 1434 rtt_capabilities.preamble_support); 1435 helper.setIntField(capabilities, "bwSupported", 1436 rtt_capabilities.bw_support); 1437 helper.setBooleanField(capabilities, "responderSupported", 1438 rtt_capabilities.responder_supported == 1); 1439 if (DBG) { 1440 ALOGD("One side RTT is %s", rtt_capabilities.rtt_one_sided_supported == 1 ? 1441 "supported" : "not supported"); 1442 ALOGD("Two side RTT is %s", rtt_capabilities.rtt_ftm_supported == 1 ? 1443 "supported" : "not supported"); 1444 ALOGD("LCR is %s", rtt_capabilities.lcr_support == 1 ? "supported" : "not supported"); 1445 ALOGD("LCI is %s", rtt_capabilities.lci_support == 1 ? "supported" : "not supported"); 1446 ALOGD("Supported preamble is %d", rtt_capabilities.preamble_support); 1447 ALOGD("Supported bandwidth is %d", rtt_capabilities.bw_support); 1448 ALOGD("Sta responder is %s", 1449 rtt_capabilities.responder_supported == 1 ? "supported" : "not supported"); 1450 } 1451 return capabilities.detach(); 1452 } else { 1453 return NULL; 1454 } 1455} 1456 1457static jobject android_net_wifi_get_apf_capabilities(JNIEnv *env, jclass cls, 1458 jint iface) { 1459 1460 JNIHelper helper(env); 1461 u32 version = 0, max_len = 0; 1462 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1463 wifi_error ret = hal_fn.wifi_get_packet_filter_capabilities(handle, &version, &max_len); 1464 1465 if (WIFI_SUCCESS == ret) { 1466 // Cannot just use createObject() because members are final and initializer values must be 1467 // passed via ApfCapabilities(). 1468 JNIObject<jclass> apf_cls(helper, env->FindClass("android/net/apf/ApfCapabilities")); 1469 if (apf_cls == NULL) { 1470 ALOGE("Error in finding class android/net/apf/ApfCapabilities"); 1471 return NULL; 1472 } 1473 jmethodID constructor = env->GetMethodID(apf_cls, "<init>", "(III)V"); 1474 if (constructor == 0) { 1475 ALOGE("Error in constructor ID for android/net/apf/ApfCapabilities"); 1476 return NULL; 1477 } 1478 JNIObject<jobject> capabilities(helper, env->NewObject(apf_cls, constructor, version, 1479 max_len, ARPHRD_ETHER)); 1480 if (capabilities == NULL) { 1481 ALOGE("Could not create new object of android/net/apf/ApfCapabilities"); 1482 return NULL; 1483 } 1484 ALOGD("APF version supported: %d", version); 1485 ALOGD("Maximum APF program size: %d", max_len); 1486 return capabilities.detach(); 1487 } else { 1488 return NULL; 1489 } 1490} 1491 1492static jboolean android_net_wifi_install_packet_filter(JNIEnv *env, jclass cls, jint iface, 1493 jbyteArray jfilter) { 1494 1495 JNIHelper helper(env); 1496 const u8* filter = (uint8_t*)env->GetByteArrayElements(jfilter, NULL); 1497 const u32 filter_len = env->GetArrayLength(jfilter); 1498 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1499 wifi_error ret = hal_fn.wifi_set_packet_filter(handle, filter, filter_len); 1500 env->ReleaseByteArrayElements(jfilter, (jbyte*)filter, JNI_ABORT); 1501 return WIFI_SUCCESS == ret; 1502} 1503 1504static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1505 jstring country_code) { 1506 1507 JNIHelper helper(env); 1508 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1509 1510 ScopedUtfChars chars(env, country_code); 1511 const char *country = chars.c_str(); 1512 1513 ALOGD("set country code: %s", country); 1514 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1515 return res == WIFI_SUCCESS; 1516} 1517 1518static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1519 jboolean enable, jstring addr) { 1520 1521 JNIHelper helper(env); 1522 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1523 1524 mac_addr address; 1525 parseMacAddress(env, addr, address); 1526 wifi_tdls_handler tdls_handler; 1527 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1528 1529 if(enable) { 1530 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1531 } else { 1532 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1533 } 1534} 1535 1536static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1537 1538 JNIHelper helper(mVM); 1539 1540 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p", mVM, mCls); 1541 1542 char mac[32]; 1543 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1544 addr[5]); 1545 1546 JNIObject<jstring> mac_address = helper.newStringUTF(mac); 1547 helper.reportEvent(mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1548 mac_address.get(), status.state, status.reason); 1549 1550} 1551 1552static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1553 1554 JNIHelper helper(env); 1555 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1556 1557 mac_addr address; 1558 parseMacAddress(env, addr, address); 1559 1560 wifi_tdls_status status; 1561 1562 wifi_error ret; 1563 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1564 1565 if (ret != WIFI_SUCCESS) { 1566 return NULL; 1567 } else { 1568 JNIObject<jobject> tdls_status = helper.createObject( 1569 "com/android/server/wifi/WifiNative$TdlsStatus"); 1570 helper.setIntField(tdls_status, "channel", status.channel); 1571 helper.setIntField(tdls_status, "global_operating_class", status.global_operating_class); 1572 helper.setIntField(tdls_status, "state", status.state); 1573 helper.setIntField(tdls_status, "reason", status.reason); 1574 return tdls_status.detach(); 1575 } 1576} 1577 1578static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1579 1580 JNIHelper helper(env); 1581 wifi_tdls_capabilities tdls_capabilities; 1582 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1583 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1584 1585 if (WIFI_SUCCESS == ret) { 1586 JNIObject<jobject> capabilities = helper.createObject( 1587 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1588 helper.setIntField(capabilities, "maxConcurrentTdlsSessionNumber", 1589 tdls_capabilities.max_concurrent_tdls_session_num); 1590 helper.setBooleanField(capabilities, "isGlobalTdlsSupported", 1591 tdls_capabilities.is_global_tdls_supported == 1); 1592 helper.setBooleanField(capabilities, "isPerMacTdlsSupported", 1593 tdls_capabilities.is_per_mac_tdls_supported == 1); 1594 helper.setBooleanField(capabilities, "isOffChannelTdlsSupported", 1595 tdls_capabilities.is_off_channel_tdls_supported); 1596 1597 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1598 tdls_capabilities.max_concurrent_tdls_session_num); 1599 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1600 "not support"); 1601 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1602 "not support"); 1603 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1604 "support" : "not support"); 1605 1606 return capabilities.detach(); 1607 } else { 1608 return NULL; 1609 } 1610} 1611 1612// ---------------------------------------------------------------------------- 1613// Debug framework 1614// ---------------------------------------------------------------------------- 1615static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1616 //Not implemented yet 1617 return -1; 1618} 1619 1620static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1621 //Need to be fixed. The memory should be allocated from lower layer 1622 //char *buffer = NULL; 1623 JNIHelper helper(env); 1624 int buffer_length = 256; 1625 char *buffer = (char *)malloc(buffer_length); 1626 if (!buffer) return NULL; 1627 memset(buffer, 0, buffer_length); 1628 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1629 1630 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1631 1632 if (handle == 0) { 1633 free(buffer); 1634 return NULL; 1635 } 1636 1637 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1638 1639 if (result == WIFI_SUCCESS) { 1640 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1641 JNIObject<jstring> driver_version = helper.newStringUTF(buffer); 1642 free(buffer); 1643 return driver_version.detach(); 1644 } else { 1645 ALOGE("Fail to get driver version"); 1646 free(buffer); 1647 return NULL; 1648 } 1649} 1650 1651static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1652 1653 //char *buffer = NULL; 1654 JNIHelper helper(env); 1655 int buffer_length = 256; 1656 char *buffer = (char *)malloc(buffer_length); 1657 if (!buffer) return NULL; 1658 memset(buffer, 0, buffer_length); 1659 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1660 1661 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1662 1663 if (handle == 0) { 1664 free(buffer); 1665 return NULL; 1666 } 1667 1668 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1669 1670 if (result == WIFI_SUCCESS) { 1671 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1672 JNIObject<jstring> firmware_version = helper.newStringUTF(buffer); 1673 free(buffer); 1674 return firmware_version.detach(); 1675 } else { 1676 ALOGE("Fail to get Firmware version"); 1677 free(buffer); 1678 return NULL; 1679 } 1680} 1681 1682static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1683 1684 JNIHelper helper(env); 1685 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1686 1687 ALOGD("android_net_wifi_get_ring_buffer_status = %p", handle); 1688 1689 if (handle == 0) { 1690 return NULL; 1691 } 1692 1693 //wifi_ring_buffer_status *status = NULL; 1694 u32 num_rings = 10; 1695 wifi_ring_buffer_status *status = 1696 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1697 if (!status) return NULL; 1698 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1699 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1700 if (result == WIFI_SUCCESS) { 1701 ALOGD("status is %p, number is %d", status, num_rings); 1702 1703 JNIObject<jobjectArray> ringBuffersStatus = helper.newObjectArray( 1704 num_rings, "com/android/server/wifi/WifiNative$RingBufferStatus", NULL); 1705 1706 wifi_ring_buffer_status *tmp = status; 1707 1708 for(u32 i = 0; i < num_rings; i++, tmp++) { 1709 1710 JNIObject<jobject> ringStatus = helper.createObject( 1711 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1712 1713 if (ringStatus == NULL) { 1714 ALOGE("Error in creating ringBufferStatus"); 1715 free(status); 1716 return NULL; 1717 } 1718 1719 char name[32]; 1720 for(int j = 0; j < 32; j++) { 1721 name[j] = tmp->name[j]; 1722 } 1723 1724 helper.setStringField(ringStatus, "name", name); 1725 helper.setIntField(ringStatus, "flag", tmp->flags); 1726 helper.setIntField(ringStatus, "ringBufferId", tmp->ring_id); 1727 helper.setIntField(ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1728 helper.setIntField(ringStatus, "verboseLevel", tmp->verbose_level); 1729 helper.setIntField(ringStatus, "writtenBytes", tmp->written_bytes); 1730 helper.setIntField(ringStatus, "readBytes", tmp->read_bytes); 1731 helper.setIntField(ringStatus, "writtenRecords", tmp->written_records); 1732 1733 helper.setObjectArrayElement(ringBuffersStatus, i, ringStatus); 1734 } 1735 1736 free(status); 1737 return ringBuffersStatus.detach(); 1738 } else { 1739 free(status); 1740 return NULL; 1741 } 1742} 1743 1744static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1745 wifi_ring_buffer_status *status) { 1746 1747 if (!ring_name || !buffer || !status || 1748 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1749 ALOGE("Error input for on_ring_buffer_data!"); 1750 return; 1751 } 1752 1753 1754 JNIHelper helper(mVM); 1755 /* ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1756 mCls, env, buffer_size); */ 1757 1758 JNIObject<jobject> ringStatus = helper.createObject( 1759 "com/android/server/wifi/WifiNative$RingBufferStatus"); 1760 if (status == NULL) { 1761 ALOGE("Error in creating ringBufferStatus"); 1762 return; 1763 } 1764 1765 helper.setStringField(ringStatus, "name", ring_name); 1766 helper.setIntField(ringStatus, "flag", status->flags); 1767 helper.setIntField(ringStatus, "ringBufferId", status->ring_id); 1768 helper.setIntField(ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1769 helper.setIntField(ringStatus, "verboseLevel", status->verbose_level); 1770 helper.setIntField(ringStatus, "writtenBytes", status->written_bytes); 1771 helper.setIntField(ringStatus, "readBytes", status->read_bytes); 1772 helper.setIntField(ringStatus, "writtenRecords", status->written_records); 1773 1774 JNIObject<jbyteArray> bytes = helper.newByteArray(buffer_size); 1775 helper.setByteArrayRegion(bytes, 0, buffer_size, (jbyte*)buffer); 1776 1777 helper.reportEvent(mCls,"onRingBufferData", 1778 "(Lcom/android/server/wifi/WifiNative$RingBufferStatus;[B)V", 1779 ringStatus.get(), bytes.get()); 1780} 1781 1782static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1783 1784 JNIHelper helper(mVM); 1785 ALOGD("on_alert_data called, vm = %p, obj = %p, buffer_size = %d, error code = %d" 1786 , mVM, mCls, buffer_size, err_code); 1787 1788 if (buffer_size > 0) { 1789 JNIObject<jbyteArray> records = helper.newByteArray(buffer_size); 1790 jbyte *bytes = (jbyte *) buffer; 1791 helper.setByteArrayRegion(records, 0,buffer_size, bytes); 1792 helper.reportEvent(mCls,"onWifiAlert","([BI)V", records.get(), err_code); 1793 } else { 1794 helper.reportEvent(mCls,"onWifiAlert","([BI)V", NULL, err_code); 1795 } 1796} 1797 1798 1799static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1800 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1801 1802 JNIHelper helper(env); 1803 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1804 1805 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1806 1807 if (handle == 0) { 1808 return false; 1809 } 1810 1811 ScopedUtfChars chars(env, ring_name); 1812 const char* ring_name_const_char = chars.c_str(); 1813 int ret = hal_fn.wifi_start_logging(handle, verbose_level, 1814 flags, max_interval, min_data_size, const_cast<char *>(ring_name_const_char)); 1815 1816 if (ret != WIFI_SUCCESS) { 1817 ALOGE("Fail to start logging for ring %s", ring_name_const_char); 1818 } else { 1819 ALOGD("start logging for ring %s", ring_name_const_char); 1820 } 1821 1822 return ret == WIFI_SUCCESS; 1823} 1824 1825static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1826 jstring ring_name) { 1827 1828 JNIHelper helper(env); 1829 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1830 // ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1831 1832 ScopedUtfChars chars(env, ring_name); 1833 const char* ring_name_const_char = chars.c_str(); 1834 int result = hal_fn.wifi_get_ring_data(handle, const_cast<char *>(ring_name_const_char)); 1835 return result == WIFI_SUCCESS; 1836} 1837 1838 1839void on_firmware_memory_dump(char *buffer, int buffer_size) { 1840 1841 JNIHelper helper(mVM); 1842 /* ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1843 , mVM, mCls, env, buffer_size); */ 1844 1845 if (buffer_size > 0) { 1846 JNIObject<jbyteArray> dump = helper.newByteArray(buffer_size); 1847 jbyte *bytes = (jbyte *) (buffer); 1848 helper.setByteArrayRegion(dump, 0, buffer_size, bytes); 1849 helper.reportEvent(mCls,"onWifiFwMemoryAvailable","([B)V", dump.get()); 1850 } 1851} 1852 1853static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1854 1855 JNIHelper helper(env); 1856 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1857 // ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1858 1859 if (handle == NULL) { 1860 ALOGE("Can not get wifi_interface_handle"); 1861 return false; 1862 } 1863 1864 wifi_firmware_memory_dump_handler fw_dump_handle; 1865 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1866 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1867 return result == WIFI_SUCCESS; 1868 1869} 1870 1871static jboolean android_net_wifi_set_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1872 1873 JNIHelper helper(env); 1874 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1875 ALOGD("android_net_wifi_set_log_handler = %p", handle); 1876 1877 //initialize the handler on first time 1878 wifi_ring_buffer_data_handler handler; 1879 handler.on_ring_buffer_data = &on_ring_buffer_data; 1880 int result = hal_fn.wifi_set_log_handler(id, handle, handler); 1881 if (result != WIFI_SUCCESS) { 1882 ALOGE("Fail to set logging handler"); 1883 return false; 1884 } 1885 1886 //set alter handler This will start alert too 1887 wifi_alert_handler alert_handler; 1888 alert_handler.on_alert = &on_alert_data; 1889 result = hal_fn.wifi_set_alert_handler(id, handle, alert_handler); 1890 if (result != WIFI_SUCCESS) { 1891 ALOGE(" Fail to set alert handler"); 1892 return false; 1893 } 1894 1895 return true; 1896} 1897 1898static jboolean android_net_wifi_reset_log_handler(JNIEnv *env, jclass cls, jint iface, jint id) { 1899 1900 JNIHelper helper(env); 1901 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1902 1903 //reset alter handler 1904 ALOGD("android_net_wifi_reset_alert_handler = %p", handle); 1905 int result = hal_fn.wifi_reset_alert_handler(id, handle); 1906 if (result != WIFI_SUCCESS) { 1907 ALOGE(" Fail to reset alert handler"); 1908 return false; 1909 } 1910 1911 //reset log handler 1912 ALOGD("android_net_wifi_reset_log_handler = %p", handle); 1913 result = hal_fn.wifi_reset_log_handler(id, handle); 1914 if (result != WIFI_SUCCESS) { 1915 ALOGE("Fail to reset logging handler"); 1916 return false; 1917 } 1918 1919 return true; 1920} 1921 1922// ---------------------------------------------------------------------------- 1923// ePno framework 1924// ---------------------------------------------------------------------------- 1925 1926 1927static void onPnoNetworkFound(wifi_request_id id, 1928 unsigned num_results, wifi_scan_result *results) { 1929 JNIHelper helper(mVM); 1930 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, num_results %u", mVM, mCls, num_results); 1931 1932 if (results == NULL || num_results == 0) { 1933 ALOGE("onPnoNetworkFound: Error no results"); 1934 return; 1935 } 1936 1937 JNIObject<jobjectArray> scanResults = helper.newObjectArray(num_results, 1938 "android/net/wifi/ScanResult", NULL); 1939 if (scanResults == NULL) { 1940 ALOGE("onpnoNetworkFound: Error in allocating scanResults array"); 1941 return; 1942 } 1943 1944 JNIObject<jintArray> beaconCaps = helper.newIntArray(num_results); 1945 if (beaconCaps == NULL) { 1946 ALOGE("onpnoNetworkFound: Error in allocating beaconCaps array"); 1947 return; 1948 } 1949 1950 for (unsigned i=0; i<num_results; i++) { 1951 1952 JNIObject<jobject> scanResult = createScanResult(helper, &results[i], true); 1953 if (scanResult == NULL) { 1954 ALOGE("Error in creating scan result"); 1955 return; 1956 } 1957 1958 helper.setObjectArrayElement(scanResults, i, scanResult); 1959 helper.setIntArrayRegion(beaconCaps, i, 1, (jint *)&(results[i].capability)); 1960 1961 if (DBG) { 1962 ALOGD("ScanResult: IE length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1963 results->ie_length, i, results[i].ssid, results[i].rssi, 1964 results[i].bssid[0], results[i].bssid[1],results[i].bssid[2], 1965 results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 1966 } 1967 } 1968 1969 helper.reportEvent(mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;[I)V", id, 1970 scanResults.get(), beaconCaps.get()); 1971} 1972 1973static jboolean android_net_wifi_setPnoListNative( 1974 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 1975 1976 JNIHelper helper(env); 1977 wifi_epno_handler handler; 1978 handler.on_network_found = &onPnoNetworkFound; 1979 1980 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 1981 ALOGD("configure ePno list request [%d] = %p", id, handle); 1982 1983 if (settings == NULL) { 1984 return false; 1985 } 1986 1987 JNIObject<jobjectArray> list = helper.getArrayField(settings, "networkList", 1988 "[Lcom/android/server/wifi/WifiNative$PnoNetwork;"); 1989 if (list == NULL) { 1990 return false; 1991 } 1992 1993 size_t len = helper.getArrayLength(list); 1994 if (len > (size_t)MAX_EPNO_NETWORKS) { 1995 return false; 1996 } 1997 1998 wifi_epno_params params; 1999 memset(¶ms, 0, sizeof(params)); 2000 2001 for (unsigned int i = 0; i < len; i++) { 2002 2003 JNIObject<jobject> pno_net = helper.getObjectArrayElement(list, i); 2004 if (pno_net == NULL) { 2005 ALOGE("setPnoListNative: could not get element %d", i); 2006 continue; 2007 } 2008 2009 JNIObject<jstring> sssid = helper.getStringField(pno_net, "ssid"); 2010 if (sssid == NULL) { 2011 ALOGE("Error setPnoListNative: getting ssid field"); 2012 return false; 2013 } 2014 2015 ScopedUtfChars chars(env, (jstring)sssid.get()); 2016 const char *ssid = chars.c_str(); 2017 if (ssid == NULL) { 2018 ALOGE("Error setPnoListNative: getting ssid"); 2019 return false; 2020 } 2021 int ssid_len = strnlen((const char*)ssid, 33); 2022 if (ssid_len > 32) { 2023 ALOGE("Error setPnoListNative: long ssid %zu", strnlen((const char*)ssid, 256)); 2024 return false; 2025 } 2026 2027 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1] == '"') 2028 { 2029 // strip leading and trailing '"' 2030 ssid++; 2031 ssid_len-=2; 2032 } 2033 if (ssid_len == 0) { 2034 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 2035 continue; 2036 } 2037 memcpy(params.networks[i].ssid, ssid, ssid_len); 2038 2039 params.networks[i].auth_bit_field = helper.getByteField(pno_net, "auth_bit_field"); 2040 params.networks[i].flags = helper.getByteField(pno_net, "flags"); 2041 ALOGD(" setPnoListNative: idx %u auth %x flags %x [%s]", i, 2042 params.networks[i].auth_bit_field, params.networks[i].flags, 2043 params.networks[i].ssid); 2044 } 2045 params.min5GHz_rssi = helper.getIntField(settings, "min5GHzRssi"); 2046 params.min24GHz_rssi = helper.getIntField(settings, "min24GHzRssi"); 2047 params.initial_score_max = helper.getIntField(settings, "initialScoreMax"); 2048 params.current_connection_bonus = helper.getIntField(settings, "currentConnectionBonus"); 2049 params.same_network_bonus = helper.getIntField(settings, "sameNetworkBonus"); 2050 params.secure_bonus = helper.getIntField(settings, "secureBonus"); 2051 params.band5GHz_bonus = helper.getIntField(settings, "band5GHzBonus"); 2052 params.num_networks = len; 2053 2054 int result = hal_fn.wifi_set_epno_list(id, handle, ¶ms, handler); 2055 ALOGD(" setPnoListNative: result %d", result); 2056 2057 return result >= 0; 2058} 2059 2060static jboolean android_net_wifi_resetPnoListNative( 2061 JNIEnv *env, jclass cls, jint iface, jint id) { 2062 2063 JNIHelper helper(env); 2064 2065 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2066 ALOGD("reset ePno list request [%d] = %p", id, handle); 2067 2068 // stop pno 2069 int result = hal_fn.wifi_reset_epno_list(id, handle); 2070 ALOGD(" ressetPnoListNative: result = %d", result); 2071 return result >= 0; 2072} 2073 2074static jboolean android_net_wifi_setBssidBlacklist( 2075 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 2076 2077 JNIHelper helper(env); 2078 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2079 ALOGD("configure BSSID black list request [%d] = %p", id, handle); 2080 2081 wifi_bssid_params params; 2082 memset(¶ms, 0, sizeof(params)); 2083 2084 if (list != NULL) { 2085 size_t len = helper.getArrayLength((jobjectArray)list); 2086 if (len > (size_t)MAX_BLACKLIST_BSSID) { 2087 return false; 2088 } 2089 for (unsigned int i = 0; i < len; i++) { 2090 2091 JNIObject<jobject> jbssid = helper.getObjectArrayElement(list, i); 2092 if (jbssid == NULL) { 2093 ALOGE("configure BSSID blacklist: could not get element %d", i); 2094 continue; 2095 } 2096 2097 ScopedUtfChars chars(env, (jstring)jbssid.get()); 2098 const char *bssid = chars.c_str(); 2099 if (bssid == NULL) { 2100 ALOGE("Error getting bssid"); 2101 return false; 2102 } 2103 2104 mac_addr addr; 2105 parseMacAddress(bssid, addr); 2106 memcpy(params.bssids[i], addr, sizeof(mac_addr)); 2107 2108 char bssidOut[32]; 2109 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 2110 addr[2], addr[3], addr[4], addr[5]); 2111 2112 ALOGD("BSSID blacklist: added bssid %s", bssidOut); 2113 2114 params.num_bssid++; 2115 } 2116 } 2117 2118 ALOGD("Added %d bssids", params.num_bssid); 2119 return hal_fn.wifi_set_bssid_blacklist(id, handle, params) == WIFI_SUCCESS; 2120} 2121 2122static jint android_net_wifi_start_sending_offloaded_packet(JNIEnv *env, jclass cls, jint iface, 2123 jint idx, jbyteArray srcMac, jbyteArray dstMac, jbyteArray pkt, jint period) { 2124 JNIHelper helper(env); 2125 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2126 ALOGD("Start packet offload [%d] = %p", idx, handle); 2127 wifi_error ret; 2128 wifi_request_id id = idx; 2129 2130 ScopedBytesRO pktBytes(env, pkt), srcMacBytes(env, srcMac), dstMacBytes(env, dstMac); 2131 2132 byte * pkt_data = (byte*) pktBytes.get(); 2133 unsigned short pkt_len = env->GetArrayLength(pkt); 2134 byte* src_mac_addr = (byte*) srcMacBytes.get(); 2135 byte* dst_mac_addr = (byte*) dstMacBytes.get(); 2136 int i; 2137 char macAddr[32]; 2138 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", src_mac_addr[0], src_mac_addr[1], 2139 src_mac_addr[2], src_mac_addr[3], src_mac_addr[4], src_mac_addr[5]); 2140 ALOGD("src_mac_addr %s", macAddr); 2141 sprintf(macAddr, "%0x:%0x:%0x:%0x:%0x:%0x", dst_mac_addr[0], dst_mac_addr[1], 2142 dst_mac_addr[2], dst_mac_addr[3], dst_mac_addr[4], dst_mac_addr[5]); 2143 ALOGD("dst_mac_addr %s", macAddr); 2144 ALOGD("pkt_len %d\n", pkt_len); 2145 ALOGD("Pkt data : "); 2146 for(i = 0; i < pkt_len; i++) { 2147 ALOGD(" %x ", pkt_data[i]); 2148 } 2149 ALOGD("\n"); 2150 ret = hal_fn.wifi_start_sending_offloaded_packet(id, handle, pkt_data, pkt_len, 2151 src_mac_addr, dst_mac_addr, period); 2152 ALOGD("ret= %d\n", ret); 2153 return ret; 2154} 2155 2156static jint android_net_wifi_stop_sending_offloaded_packet(JNIEnv *env, jclass cls, 2157 jint iface, jint idx) { 2158 int ret; 2159 JNIHelper helper(env); 2160 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2161 ALOGD("Stop packet offload [%d] = %p", idx, handle); 2162 ret = hal_fn.wifi_stop_sending_offloaded_packet(idx, handle); 2163 ALOGD("ret= %d\n", ret); 2164 return ret; 2165} 2166 2167static void onRssiThresholdbreached(wifi_request_id id, u8 *cur_bssid, s8 cur_rssi) { 2168 2169 ALOGD("RSSI threshold breached, cur RSSI - %d!!\n", cur_rssi); 2170 ALOGD("BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", 2171 cur_bssid[0], cur_bssid[1], cur_bssid[2], 2172 cur_bssid[3], cur_bssid[4], cur_bssid[5]); 2173 JNIHelper helper(mVM); 2174 //ALOGD("onRssiThresholdbreached called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 2175 helper.reportEvent(mCls, "onRssiThresholdBreached", "(IB)V", id, cur_rssi); 2176} 2177 2178static jint android_net_wifi_start_rssi_monitoring_native(JNIEnv *env, jclass cls, jint iface, 2179 jint idx, jbyte maxRssi, jbyte minRssi) { 2180 2181 JNIHelper helper(env); 2182 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2183 ALOGD("Start Rssi monitoring = %p", handle); 2184 ALOGD("MinRssi %d MaxRssi %d", minRssi, maxRssi); 2185 wifi_error ret; 2186 wifi_request_id id = idx; 2187 wifi_rssi_event_handler eh; 2188 eh.on_rssi_threshold_breached = onRssiThresholdbreached; 2189 ret = hal_fn.wifi_start_rssi_monitoring(id, handle, maxRssi, minRssi, eh); 2190 return ret; 2191} 2192 2193static jint android_net_wifi_stop_rssi_monitoring_native(JNIEnv *env, jclass cls, 2194 jint iface, jint idx) { 2195 JNIHelper helper(env); 2196 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2197 ALOGD("Stop Rssi monitoring = %p", handle); 2198 wifi_error ret; 2199 wifi_request_id id = idx; 2200 ret = hal_fn.wifi_stop_rssi_monitoring(id, handle); 2201 return ret; 2202} 2203 2204static jobject android_net_wifi_get_wlan_wake_reason_count(JNIEnv *env, jclass cls, jint iface) { 2205 2206 JNIHelper helper(env); 2207 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 2208 int cmd_event_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2209 int driver_fw_local_wake_cnt_array[WAKE_REASON_TYPE_MAX]; 2210 wifi_interface_handle handle = getIfaceHandle(helper, cls, iface); 2211 wifi_error ret; 2212 2213 wake_reason_cnt.cmd_event_wake_cnt = cmd_event_wake_cnt_array; 2214 wake_reason_cnt.cmd_event_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2215 wake_reason_cnt.cmd_event_wake_cnt_used = 0; 2216 2217 wake_reason_cnt.driver_fw_local_wake_cnt = driver_fw_local_wake_cnt_array; 2218 wake_reason_cnt.driver_fw_local_wake_cnt_sz = WAKE_REASON_TYPE_MAX; 2219 wake_reason_cnt.driver_fw_local_wake_cnt_used = 0; 2220 2221 ret = hal_fn.wifi_get_wake_reason_stats(handle, &wake_reason_cnt); 2222 2223 if (ret != WIFI_SUCCESS) { 2224 ALOGE("android_net_wifi_get_wlan_wake_reason_count: failed to get wake reason count\n"); 2225 return NULL; 2226 } 2227 2228 JNIObject<jobject> stats = helper.createObject( "android/net/wifi/WifiWakeReasonAndCounts"); 2229 if (stats == NULL) { 2230 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating object\n"); 2231 return NULL; 2232 } 2233 JNIObject<jintArray> cmd_wake_arr = 2234 helper.newIntArray(wake_reason_cnt.cmd_event_wake_cnt_used); 2235 if (cmd_wake_arr == NULL) { 2236 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2237 return NULL; 2238 } 2239 JNIObject<jintArray> local_wake_arr = 2240 helper.newIntArray(wake_reason_cnt.driver_fw_local_wake_cnt_used); 2241 if (local_wake_arr == NULL) { 2242 ALOGE("android_net_wifi_get_wlan_wake_reason_count: error allocating array object\n"); 2243 return NULL; 2244 } 2245 2246 helper.setIntField(stats, "totalCmdEventWake", wake_reason_cnt.total_cmd_event_wake); 2247 helper.setIntField(stats, "totalDriverFwLocalWake", wake_reason_cnt.total_driver_fw_local_wake); 2248 helper.setIntField(stats, "totalRxDataWake", wake_reason_cnt.total_rx_data_wake); 2249 helper.setIntField(stats, "rxUnicast", wake_reason_cnt.rx_wake_details.rx_unicast_cnt); 2250 helper.setIntField(stats, "rxMulticast", wake_reason_cnt.rx_wake_details.rx_multicast_cnt); 2251 helper.setIntField(stats, "rxBroadcast", wake_reason_cnt.rx_wake_details.rx_broadcast_cnt); 2252 helper.setIntField(stats, "icmp", wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt); 2253 helper.setIntField(stats, "icmp6", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt); 2254 helper.setIntField(stats, "icmp6Ra", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra); 2255 helper.setIntField(stats, "icmp6Na", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na); 2256 helper.setIntField(stats, "icmp6Ns", wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns); 2257 helper.setIntField(stats, "ipv4RxMulticast", 2258 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv4_rx_multicast_addr_cnt); 2259 helper.setIntField(stats, "ipv6Multicast", 2260 wake_reason_cnt.rx_multicast_wake_pkt_info.ipv6_rx_multicast_addr_cnt); 2261 helper.setIntField(stats, "otherRxMulticast", 2262 wake_reason_cnt.rx_multicast_wake_pkt_info.other_rx_multicast_addr_cnt); 2263 helper.setIntArrayRegion(cmd_wake_arr, 0, wake_reason_cnt.cmd_event_wake_cnt_used, 2264 wake_reason_cnt.cmd_event_wake_cnt); 2265 helper.setIntArrayRegion(local_wake_arr, 0, wake_reason_cnt.driver_fw_local_wake_cnt_used, 2266 wake_reason_cnt.driver_fw_local_wake_cnt); 2267 helper.setObjectField(stats, "cmdEventWakeCntArray", "[I", cmd_wake_arr); 2268 helper.setObjectField(stats, "driverFWLocalWakeCntArray", "[I", local_wake_arr); 2269 return stats.detach(); 2270} 2271 2272static jbyteArray android_net_wifi_readKernelLog(JNIEnv *env, jclass cls) { 2273 JNIHelper helper(env); 2274 ALOGV("Reading kernel logs"); 2275 2276 int size = klogctl(/* SYSLOG_ACTION_SIZE_BUFFER */ 10, 0, 0); 2277 if (size < 1) { 2278 ALOGD("no kernel logs"); 2279 return helper.newByteArray(0).detach(); 2280 } 2281 2282 char *buf = (char *)malloc(size); 2283 if (buf == NULL) { 2284 ALOGD("can't allocate temporary storage"); 2285 return helper.newByteArray(0).detach(); 2286 } 2287 2288 int read = klogctl(/* SYSLOG_ACTION_READ_ALL */ 3, buf, size); 2289 if (read < 0) { 2290 ALOGD("can't read logs - %d", read); 2291 free(buf); 2292 return helper.newByteArray(0).detach(); 2293 } else { 2294 ALOGV("read %d bytes", read); 2295 } 2296 2297 if (read != size) { 2298 ALOGV("read %d bytes, expecting %d", read, size); 2299 } 2300 2301 JNIObject<jbyteArray> result = helper.newByteArray(read); 2302 if (result.isNull()) { 2303 ALOGD("can't allocate array"); 2304 free(buf); 2305 return result.detach(); 2306 } 2307 2308 helper.setByteArrayRegion(result, 0, read, (jbyte*)buf); 2309 free(buf); 2310 return result.detach(); 2311} 2312 2313static jint android_net_wifi_configure_nd_offload(JNIEnv *env, jclass cls, 2314 jint iface, jboolean enable) { 2315 JNIHelper helper(env); 2316 return hal_fn.wifi_configure_nd_offload( 2317 getIfaceHandle(helper, cls, iface), 2318 static_cast<int>(enable)); 2319} 2320 2321 2322// ---------------------------------------------------------------------------- 2323 2324/* 2325 * JNI registration. 2326 */ 2327static JNINativeMethod gWifiMethods[] = { 2328 /* name, signature, funcPtr */ 2329 2330 { "loadDriverNative", "()Z", (void *)android_net_wifi_loadDriver }, 2331 { "isDriverLoadedNative", "()Z", (void *)android_net_wifi_isDriverLoaded }, 2332 { "unloadDriverNative", "()Z", (void *)android_net_wifi_unloadDriver }, 2333 { "startSupplicantNative", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 2334 { "killSupplicantNative", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 2335 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 2336 { "closeSupplicantConnectionNative", "()V", 2337 (void *)android_net_wifi_closeSupplicantConnection }, 2338 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2339 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2340 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2341 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2342 (void*) android_net_wifi_doStringCommand }, 2343 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2344 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2345 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2346 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2347 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2348 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2349 (void *) android_net_wifi_getScanCapabilities}, 2350 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2351 (void*) android_net_wifi_startScan}, 2352 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2353 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2354 (void *) android_net_wifi_getScanResults}, 2355 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2356 (void*) android_net_wifi_setHotlist}, 2357 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2358 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2359 (void*) android_net_wifi_trackSignificantWifiChange}, 2360 { "untrackSignificantWifiChangeNative", "(II)Z", 2361 (void*) android_net_wifi_untrackSignificantWifiChange}, 2362 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2363 (void*) android_net_wifi_getLinkLayerStats}, 2364 { "setWifiLinkLayerStatsNative", "(II)V", 2365 (void*) android_net_wifi_setLinkLayerStats}, 2366 { "getSupportedFeatureSetNative", "(I)I", 2367 (void*) android_net_wifi_getSupportedFeatures}, 2368 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2369 (void*) android_net_wifi_requestRange}, 2370 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2371 (void*) android_net_wifi_cancelRange}, 2372 { "enableRttResponderNative", 2373 "(IIILcom/android/server/wifi/WifiNative$WifiChannelInfo;)Landroid/net/wifi/RttManager$ResponderConfig;", 2374 (void*) android_net_wifi_enableResponder}, 2375 { "disableRttResponderNative", "(II)Z", 2376 (void*) android_net_wifi_disableResponder}, 2377 2378 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2379 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2380 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2381 { "setInterfaceUpNative", "(Z)Z", (void*) android_net_wifi_set_interface_up}, 2382 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2383 (void*) android_net_wifi_get_rtt_capabilities}, 2384 { "getApfCapabilitiesNative", "(I)Landroid/net/apf/ApfCapabilities;", 2385 (void*) android_net_wifi_get_apf_capabilities}, 2386 { "installPacketFilterNative", "(I[B)Z", (void*) android_net_wifi_install_packet_filter}, 2387 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2388 (void*) android_net_wifi_set_Country_Code_Hal}, 2389 { "setPnoListNative", "(IILcom/android/server/wifi/WifiNative$PnoSettings;)Z", 2390 (void*) android_net_wifi_setPnoListNative}, 2391 { "resetPnoListNative", "(II)Z", (void*) android_net_wifi_resetPnoListNative}, 2392 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2393 (void*) android_net_wifi_enable_disable_tdls}, 2394 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2395 (void*) android_net_wifi_get_tdls_status}, 2396 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2397 (void*) android_net_wifi_get_tdls_capabilities}, 2398 {"getSupportedLoggerFeatureSetNative","(I)I", 2399 (void*) android_net_wifi_get_supported_logger_feature}, 2400 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2401 (void*) android_net_wifi_get_driver_version}, 2402 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2403 (void*) android_net_wifi_get_firmware_version}, 2404 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiNative$RingBufferStatus;", 2405 (void*) android_net_wifi_get_ring_buffer_status}, 2406 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2407 (void*) android_net_wifi_start_logging_ring_buffer}, 2408 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2409 (void*) android_net_wifi_get_ring_buffer_data}, 2410 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2411 { "setBssidBlacklistNative", "(II[Ljava/lang/String;)Z", 2412 (void*)android_net_wifi_setBssidBlacklist}, 2413 {"setLoggingEventHandlerNative", "(II)Z", (void *) android_net_wifi_set_log_handler}, 2414 {"resetLogHandlerNative", "(II)Z", (void *) android_net_wifi_reset_log_handler}, 2415 { "startSendingOffloadedPacketNative", "(II[B[B[BI)I", 2416 (void*)android_net_wifi_start_sending_offloaded_packet}, 2417 { "stopSendingOffloadedPacketNative", "(II)I", 2418 (void*)android_net_wifi_stop_sending_offloaded_packet}, 2419 {"startRssiMonitoringNative", "(IIBB)I", 2420 (void*)android_net_wifi_start_rssi_monitoring_native}, 2421 {"stopRssiMonitoringNative", "(II)I", 2422 (void*)android_net_wifi_stop_rssi_monitoring_native}, 2423 { "getWlanWakeReasonCountNative", "(I)Landroid/net/wifi/WifiWakeReasonAndCounts;", 2424 (void*) android_net_wifi_get_wlan_wake_reason_count}, 2425 {"isGetChannelsForBandSupportedNative", "()Z", 2426 (void*)android_net_wifi_is_get_channels_for_band_supported}, 2427 {"readKernelLogNative", "()[B", (void*)android_net_wifi_readKernelLog}, 2428 {"configureNeighborDiscoveryOffload", "(IZ)I", (void*)android_net_wifi_configure_nd_offload}, 2429}; 2430 2431/* User to register native functions */ 2432extern "C" 2433jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2434 // initialization needed for unit test APK 2435 JniConstants::init(env); 2436 2437 return jniRegisterNativeMethods(env, 2438 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2439} 2440 2441}; // namespace android 2442