Uprev Wifi HAL to 1.3
Move Wifi HAL from 1.2 to 1.3
Bug: 111753174
Test: Builds and wifi works
Change-Id: I6a2b203997d6328d09065f23636d4ce01420942a
diff --git a/wifi/1.3/default/wifi_chip.cpp b/wifi/1.3/default/wifi_chip.cpp
new file mode 100644
index 0000000..cf64e51
--- /dev/null
+++ b/wifi/1.3/default/wifi_chip.cpp
@@ -0,0 +1,1424 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fcntl.h>
+
+#include <android-base/logging.h>
+#include <android-base/unique_fd.h>
+#include <cutils/properties.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+
+#include "hidl_return_util.h"
+#include "hidl_struct_util.h"
+#include "wifi_chip.h"
+#include "wifi_status_util.h"
+
+namespace {
+using android::sp;
+using android::base::unique_fd;
+using android::hardware::hidl_string;
+using android::hardware::hidl_vec;
+using android::hardware::wifi::V1_0::ChipModeId;
+using android::hardware::wifi::V1_0::IfaceType;
+using android::hardware::wifi::V1_0::IWifiChip;
+
+constexpr ChipModeId kInvalidModeId = UINT32_MAX;
+// These mode ID's should be unique (even across combo versions). Refer to
+// handleChipConfiguration() for it's usage.
+// Mode ID's for V1
+constexpr ChipModeId kV1StaChipModeId = 0;
+constexpr ChipModeId kV1ApChipModeId = 1;
+// Mode ID for V2
+constexpr ChipModeId kV2ChipModeId = 2;
+
+constexpr char kCpioMagic[] = "070701";
+constexpr size_t kMaxBufferSizeBytes = 1024 * 1024;
+constexpr uint32_t kMaxRingBufferFileAgeSeconds = 60 * 60;
+constexpr uint32_t kMaxRingBufferFileNum = 20;
+constexpr char kTombstoneFolderPath[] = "/data/vendor/tombstones/wifi/";
+
+template <typename Iface>
+void invalidateAndClear(std::vector<sp<Iface>>& ifaces, sp<Iface> iface) {
+ iface->invalidate();
+ ifaces.erase(std::remove(ifaces.begin(), ifaces.end(), iface),
+ ifaces.end());
+}
+
+template <typename Iface>
+void invalidateAndClearAll(std::vector<sp<Iface>>& ifaces) {
+ for (const auto& iface : ifaces) {
+ iface->invalidate();
+ }
+ ifaces.clear();
+}
+
+template <typename Iface>
+std::vector<hidl_string> getNames(std::vector<sp<Iface>>& ifaces) {
+ std::vector<hidl_string> names;
+ for (const auto& iface : ifaces) {
+ names.emplace_back(iface->getName());
+ }
+ return names;
+}
+
+template <typename Iface>
+sp<Iface> findUsingName(std::vector<sp<Iface>>& ifaces,
+ const std::string& name) {
+ std::vector<hidl_string> names;
+ for (const auto& iface : ifaces) {
+ if (name == iface->getName()) {
+ return iface;
+ }
+ }
+ return nullptr;
+}
+
+std::string getWlan0IfaceName() {
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ property_get("wifi.interface", buffer.data(), "wlan0");
+ return buffer.data();
+}
+
+std::string getWlan1IfaceName() {
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ property_get("wifi.concurrent.interface", buffer.data(), "wlan1");
+ return buffer.data();
+}
+
+std::string getP2pIfaceName() {
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ property_get("wifi.direct.interface", buffer.data(), "p2p0");
+ return buffer.data();
+}
+
+// delete files that meet either conditions:
+// 1. older than a predefined time in the wifi tombstone dir.
+// 2. Files in excess to a predefined amount, starting from the oldest ones
+bool removeOldFilesInternal() {
+ time_t now = time(0);
+ const time_t delete_files_before = now - kMaxRingBufferFileAgeSeconds;
+ std::unique_ptr<DIR, decltype(&closedir)> dir_dump(
+ opendir(kTombstoneFolderPath), closedir);
+ if (!dir_dump) {
+ LOG(ERROR) << "Failed to open directory: " << strerror(errno);
+ return false;
+ }
+ struct dirent* dp;
+ bool success = true;
+ std::list<std::pair<const time_t, std::string>> valid_files;
+ while ((dp = readdir(dir_dump.get()))) {
+ if (dp->d_type != DT_REG) {
+ continue;
+ }
+ std::string cur_file_name(dp->d_name);
+ struct stat cur_file_stat;
+ std::string cur_file_path = kTombstoneFolderPath + cur_file_name;
+ if (stat(cur_file_path.c_str(), &cur_file_stat) == -1) {
+ LOG(ERROR) << "Failed to get file stat for " << cur_file_path
+ << ": " << strerror(errno);
+ success = false;
+ continue;
+ }
+ const time_t cur_file_time = cur_file_stat.st_mtime;
+ valid_files.push_back(
+ std::pair<const time_t, std::string>(cur_file_time, cur_file_path));
+ }
+ valid_files.sort(); // sort the list of files by last modified time from
+ // small to big.
+ uint32_t cur_file_count = valid_files.size();
+ for (auto cur_file : valid_files) {
+ if (cur_file_count > kMaxRingBufferFileNum ||
+ cur_file.first < delete_files_before) {
+ if (unlink(cur_file.second.c_str()) != 0) {
+ LOG(ERROR) << "Error deleting file " << strerror(errno);
+ success = false;
+ }
+ cur_file_count--;
+ } else {
+ break;
+ }
+ }
+ return success;
+}
+
+// Helper function for |cpioArchiveFilesInDir|
+bool cpioWriteHeader(int out_fd, struct stat& st, const char* file_name,
+ size_t file_name_len) {
+ std::array<char, 32 * 1024> read_buf;
+ ssize_t llen =
+ sprintf(read_buf.data(),
+ "%s%08X%08X%08X%08X%08X%08X%08X%08X%08X%08X%08X%08X%08X",
+ kCpioMagic, static_cast<int>(st.st_ino), st.st_mode, st.st_uid,
+ st.st_gid, static_cast<int>(st.st_nlink),
+ static_cast<int>(st.st_mtime), static_cast<int>(st.st_size),
+ major(st.st_dev), minor(st.st_dev), major(st.st_rdev),
+ minor(st.st_rdev), static_cast<uint32_t>(file_name_len), 0);
+ if (write(out_fd, read_buf.data(), llen) == -1) {
+ LOG(ERROR) << "Error writing cpio header to file " << file_name << " "
+ << strerror(errno);
+ return false;
+ }
+ if (write(out_fd, file_name, file_name_len) == -1) {
+ LOG(ERROR) << "Error writing filename to file " << file_name << " "
+ << strerror(errno);
+ return false;
+ }
+
+ // NUL Pad header up to 4 multiple bytes.
+ llen = (llen + file_name_len) % 4;
+ if (llen != 0) {
+ const uint32_t zero = 0;
+ if (write(out_fd, &zero, 4 - llen) == -1) {
+ LOG(ERROR) << "Error padding 0s to file " << file_name << " "
+ << strerror(errno);
+ return false;
+ }
+ }
+ return true;
+}
+
+// Helper function for |cpioArchiveFilesInDir|
+size_t cpioWriteFileContent(int fd_read, int out_fd, struct stat& st) {
+ // writing content of file
+ std::array<char, 32 * 1024> read_buf;
+ ssize_t llen = st.st_size;
+ size_t n_error = 0;
+ while (llen > 0) {
+ ssize_t bytes_read = read(fd_read, read_buf.data(), read_buf.size());
+ if (bytes_read == -1) {
+ LOG(ERROR) << "Error reading file " << strerror(errno);
+ return ++n_error;
+ }
+ llen -= bytes_read;
+ if (write(out_fd, read_buf.data(), bytes_read) == -1) {
+ LOG(ERROR) << "Error writing data to file " << strerror(errno);
+ return ++n_error;
+ }
+ if (bytes_read == 0) { // this should never happen, but just in case
+ // to unstuck from while loop
+ LOG(ERROR) << "Unexpected read result for " << strerror(errno);
+ n_error++;
+ break;
+ }
+ }
+ llen = st.st_size % 4;
+ if (llen != 0) {
+ const uint32_t zero = 0;
+ if (write(out_fd, &zero, 4 - llen) == -1) {
+ LOG(ERROR) << "Error padding 0s to file " << strerror(errno);
+ return ++n_error;
+ }
+ }
+ return n_error;
+}
+
+// Helper function for |cpioArchiveFilesInDir|
+bool cpioWriteFileTrailer(int out_fd) {
+ std::array<char, 4096> read_buf;
+ read_buf.fill(0);
+ if (write(out_fd, read_buf.data(),
+ sprintf(read_buf.data(), "070701%040X%056X%08XTRAILER!!!", 1,
+ 0x0b, 0) +
+ 4) == -1) {
+ LOG(ERROR) << "Error writing trailing bytes " << strerror(errno);
+ return false;
+ }
+ return true;
+}
+
+// Archives all files in |input_dir| and writes result into |out_fd|
+// Logic obtained from //external/toybox/toys/posix/cpio.c "Output cpio archive"
+// portion
+size_t cpioArchiveFilesInDir(int out_fd, const char* input_dir) {
+ struct dirent* dp;
+ size_t n_error = 0;
+ std::unique_ptr<DIR, decltype(&closedir)> dir_dump(opendir(input_dir),
+ closedir);
+ if (!dir_dump) {
+ LOG(ERROR) << "Failed to open directory: " << strerror(errno);
+ return ++n_error;
+ }
+ while ((dp = readdir(dir_dump.get()))) {
+ if (dp->d_type != DT_REG) {
+ continue;
+ }
+ std::string cur_file_name(dp->d_name);
+ // string.size() does not include the null terminator. The cpio FreeBSD
+ // file header expects the null character to be included in the length.
+ const size_t file_name_len = cur_file_name.size() + 1;
+ struct stat st;
+ const std::string cur_file_path = kTombstoneFolderPath + cur_file_name;
+ if (stat(cur_file_path.c_str(), &st) == -1) {
+ LOG(ERROR) << "Failed to get file stat for " << cur_file_path
+ << ": " << strerror(errno);
+ n_error++;
+ continue;
+ }
+ const int fd_read = open(cur_file_path.c_str(), O_RDONLY);
+ if (fd_read == -1) {
+ LOG(ERROR) << "Failed to open file " << cur_file_path << " "
+ << strerror(errno);
+ n_error++;
+ continue;
+ }
+ unique_fd file_auto_closer(fd_read);
+ if (!cpioWriteHeader(out_fd, st, cur_file_name.c_str(),
+ file_name_len)) {
+ return ++n_error;
+ }
+ size_t write_error = cpioWriteFileContent(fd_read, out_fd, st);
+ if (write_error) {
+ return n_error + write_error;
+ }
+ }
+ if (!cpioWriteFileTrailer(out_fd)) {
+ return ++n_error;
+ }
+ return n_error;
+}
+
+// Helper function to create a non-const char*.
+std::vector<char> makeCharVec(const std::string& str) {
+ std::vector<char> vec(str.size() + 1);
+ vec.assign(str.begin(), str.end());
+ vec.push_back('\0');
+ return vec;
+}
+
+} // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_3 {
+namespace implementation {
+using hidl_return_util::validateAndCall;
+using hidl_return_util::validateAndCallWithLock;
+
+WifiChip::WifiChip(
+ ChipId chip_id, const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
+ const std::weak_ptr<mode_controller::WifiModeController> mode_controller,
+ const std::weak_ptr<feature_flags::WifiFeatureFlags> feature_flags)
+ : chip_id_(chip_id),
+ legacy_hal_(legacy_hal),
+ mode_controller_(mode_controller),
+ feature_flags_(feature_flags),
+ is_valid_(true),
+ current_mode_id_(kInvalidModeId),
+ debug_ring_buffer_cb_registered_(false) {
+ populateModes();
+}
+
+void WifiChip::invalidate() {
+ if (!writeRingbufferFilesInternal()) {
+ LOG(ERROR) << "Error writing files to flash";
+ }
+ invalidateAndRemoveAllIfaces();
+ legacy_hal_.reset();
+ event_cb_handler_.invalidate();
+ is_valid_ = false;
+}
+
+bool WifiChip::isValid() { return is_valid_; }
+
+std::set<sp<V1_2::IWifiChipEventCallback>> WifiChip::getEventCallbacks() {
+ return event_cb_handler_.getCallbacks();
+}
+
+Return<void> WifiChip::getId(getId_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getIdInternal, hidl_status_cb);
+}
+
+// Deprecated support for this callback
+Return<void> WifiChip::registerEventCallback(
+ const sp<V1_0::IWifiChipEventCallback>& event_callback,
+ registerEventCallback_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::registerEventCallbackInternal,
+ hidl_status_cb, event_callback);
+}
+
+Return<void> WifiChip::getCapabilities(getCapabilities_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getCapabilitiesInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getAvailableModes(getAvailableModes_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getAvailableModesInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::configureChip(ChipModeId mode_id,
+ configureChip_cb hidl_status_cb) {
+ return validateAndCallWithLock(
+ this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::configureChipInternal, hidl_status_cb, mode_id);
+}
+
+Return<void> WifiChip::getMode(getMode_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getModeInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::requestChipDebugInfo(
+ requestChipDebugInfo_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::requestChipDebugInfoInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::requestDriverDebugDump(
+ requestDriverDebugDump_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::requestDriverDebugDumpInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::requestFirmwareDebugDump(
+ requestFirmwareDebugDump_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::requestFirmwareDebugDumpInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::createApIface(createApIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createApIfaceInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getApIfaceNames(getApIfaceNames_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getApIfaceNamesInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getApIface(const hidl_string& ifname,
+ getApIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getApIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::removeApIface(const hidl_string& ifname,
+ removeApIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::removeApIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::createNanIface(createNanIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createNanIfaceInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getNanIfaceNames(getNanIfaceNames_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getNanIfaceNamesInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getNanIface(const hidl_string& ifname,
+ getNanIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getNanIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::removeNanIface(const hidl_string& ifname,
+ removeNanIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::removeNanIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::createP2pIface(createP2pIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createP2pIfaceInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getP2pIfaceNames(getP2pIfaceNames_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getP2pIfaceNamesInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getP2pIface(const hidl_string& ifname,
+ getP2pIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getP2pIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::removeP2pIface(const hidl_string& ifname,
+ removeP2pIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::removeP2pIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::createStaIface(createStaIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createStaIfaceInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getStaIfaceNames(getStaIfaceNames_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getStaIfaceNamesInternal, hidl_status_cb);
+}
+
+Return<void> WifiChip::getStaIface(const hidl_string& ifname,
+ getStaIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getStaIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::removeStaIface(const hidl_string& ifname,
+ removeStaIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::removeStaIfaceInternal, hidl_status_cb,
+ ifname);
+}
+
+Return<void> WifiChip::createRttController(
+ const sp<IWifiIface>& bound_iface, createRttController_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createRttControllerInternal,
+ hidl_status_cb, bound_iface);
+}
+
+Return<void> WifiChip::getDebugRingBuffersStatus(
+ getDebugRingBuffersStatus_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getDebugRingBuffersStatusInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::startLoggingToDebugRingBuffer(
+ const hidl_string& ring_name, WifiDebugRingBufferVerboseLevel verbose_level,
+ uint32_t max_interval_in_sec, uint32_t min_data_size_in_bytes,
+ startLoggingToDebugRingBuffer_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::startLoggingToDebugRingBufferInternal,
+ hidl_status_cb, ring_name, verbose_level,
+ max_interval_in_sec, min_data_size_in_bytes);
+}
+
+Return<void> WifiChip::forceDumpToDebugRingBuffer(
+ const hidl_string& ring_name,
+ forceDumpToDebugRingBuffer_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::forceDumpToDebugRingBufferInternal,
+ hidl_status_cb, ring_name);
+}
+
+Return<void> WifiChip::stopLoggingToDebugRingBuffer(
+ stopLoggingToDebugRingBuffer_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::stopLoggingToDebugRingBufferInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::getDebugHostWakeReasonStats(
+ getDebugHostWakeReasonStats_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getDebugHostWakeReasonStatsInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::enableDebugErrorAlerts(
+ bool enable, enableDebugErrorAlerts_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::enableDebugErrorAlertsInternal,
+ hidl_status_cb, enable);
+}
+
+Return<void> WifiChip::selectTxPowerScenario(
+ V1_1::IWifiChip::TxPowerScenario scenario,
+ selectTxPowerScenario_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::selectTxPowerScenarioInternal,
+ hidl_status_cb, scenario);
+}
+
+Return<void> WifiChip::resetTxPowerScenario(
+ resetTxPowerScenario_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::resetTxPowerScenarioInternal,
+ hidl_status_cb);
+}
+
+Return<void> WifiChip::registerEventCallback_1_2(
+ const sp<V1_2::IWifiChipEventCallback>& event_callback,
+ registerEventCallback_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::registerEventCallbackInternal_1_2,
+ hidl_status_cb, event_callback);
+}
+
+Return<void> WifiChip::selectTxPowerScenario_1_2(
+ TxPowerScenario scenario, selectTxPowerScenario_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::selectTxPowerScenarioInternal_1_2,
+ hidl_status_cb, scenario);
+}
+
+Return<void> WifiChip::debug(const hidl_handle& handle,
+ const hidl_vec<hidl_string>&) {
+ if (handle != nullptr && handle->numFds >= 1) {
+ int fd = handle->data[0];
+ if (!writeRingbufferFilesInternal()) {
+ LOG(ERROR) << "Error writing files to flash";
+ }
+ uint32_t n_error = cpioArchiveFilesInDir(fd, kTombstoneFolderPath);
+ if (n_error != 0) {
+ LOG(ERROR) << n_error << " errors occured in cpio function";
+ }
+ fsync(fd);
+ } else {
+ LOG(ERROR) << "File handle error";
+ }
+ return Void();
+}
+
+void WifiChip::invalidateAndRemoveAllIfaces() {
+ invalidateAndClearAll(ap_ifaces_);
+ invalidateAndClearAll(nan_ifaces_);
+ invalidateAndClearAll(p2p_ifaces_);
+ invalidateAndClearAll(sta_ifaces_);
+ // Since all the ifaces are invalid now, all RTT controller objects
+ // using those ifaces also need to be invalidated.
+ for (const auto& rtt : rtt_controllers_) {
+ rtt->invalidate();
+ }
+ rtt_controllers_.clear();
+}
+
+std::pair<WifiStatus, ChipId> WifiChip::getIdInternal() {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), chip_id_};
+}
+
+WifiStatus WifiChip::registerEventCallbackInternal(
+ const sp<V1_0::IWifiChipEventCallback>& /* event_callback */) {
+ // Deprecated support for this callback.
+ return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
+}
+
+std::pair<WifiStatus, uint32_t> WifiChip::getCapabilitiesInternal() {
+ legacy_hal::wifi_error legacy_status;
+ uint32_t legacy_feature_set;
+ uint32_t legacy_logger_feature_set;
+ std::tie(legacy_status, legacy_feature_set) =
+ legacy_hal_.lock()->getSupportedFeatureSet(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ return {createWifiStatusFromLegacyError(legacy_status), 0};
+ }
+ std::tie(legacy_status, legacy_logger_feature_set) =
+ legacy_hal_.lock()->getLoggerSupportedFeatureSet(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ // some devices don't support querying logger feature set
+ legacy_logger_feature_set = 0;
+ }
+ uint32_t hidl_caps;
+ if (!hidl_struct_util::convertLegacyFeaturesToHidlChipCapabilities(
+ legacy_feature_set, legacy_logger_feature_set, &hidl_caps)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), 0};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_caps};
+}
+
+std::pair<WifiStatus, std::vector<IWifiChip::ChipMode>>
+WifiChip::getAvailableModesInternal() {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), modes_};
+}
+
+WifiStatus WifiChip::configureChipInternal(
+ /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
+ ChipModeId mode_id) {
+ if (!isValidModeId(mode_id)) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ if (mode_id == current_mode_id_) {
+ LOG(DEBUG) << "Already in the specified mode " << mode_id;
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+ }
+ WifiStatus status = handleChipConfiguration(lock, mode_id);
+ if (status.code != WifiStatusCode::SUCCESS) {
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onChipReconfigureFailure(status).isOk()) {
+ LOG(ERROR)
+ << "Failed to invoke onChipReconfigureFailure callback";
+ }
+ }
+ return status;
+ }
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onChipReconfigured(mode_id).isOk()) {
+ LOG(ERROR) << "Failed to invoke onChipReconfigured callback";
+ }
+ }
+ current_mode_id_ = mode_id;
+ LOG(INFO) << "Configured chip in mode " << mode_id;
+ return status;
+}
+
+std::pair<WifiStatus, uint32_t> WifiChip::getModeInternal() {
+ if (!isValidModeId(current_mode_id_)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE),
+ current_mode_id_};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), current_mode_id_};
+}
+
+std::pair<WifiStatus, IWifiChip::ChipDebugInfo>
+WifiChip::requestChipDebugInfoInternal() {
+ IWifiChip::ChipDebugInfo result;
+ legacy_hal::wifi_error legacy_status;
+ std::string driver_desc;
+ std::tie(legacy_status, driver_desc) =
+ legacy_hal_.lock()->getDriverVersion(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to get driver version: "
+ << legacyErrorToString(legacy_status);
+ WifiStatus status = createWifiStatusFromLegacyError(
+ legacy_status, "failed to get driver version");
+ return {status, result};
+ }
+ result.driverDescription = driver_desc.c_str();
+
+ std::string firmware_desc;
+ std::tie(legacy_status, firmware_desc) =
+ legacy_hal_.lock()->getFirmwareVersion(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to get firmware version: "
+ << legacyErrorToString(legacy_status);
+ WifiStatus status = createWifiStatusFromLegacyError(
+ legacy_status, "failed to get firmware version");
+ return {status, result};
+ }
+ result.firmwareDescription = firmware_desc.c_str();
+
+ return {createWifiStatus(WifiStatusCode::SUCCESS), result};
+}
+
+std::pair<WifiStatus, std::vector<uint8_t>>
+WifiChip::requestDriverDebugDumpInternal() {
+ legacy_hal::wifi_error legacy_status;
+ std::vector<uint8_t> driver_dump;
+ std::tie(legacy_status, driver_dump) =
+ legacy_hal_.lock()->requestDriverMemoryDump(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to get driver debug dump: "
+ << legacyErrorToString(legacy_status);
+ return {createWifiStatusFromLegacyError(legacy_status),
+ std::vector<uint8_t>()};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), driver_dump};
+}
+
+std::pair<WifiStatus, std::vector<uint8_t>>
+WifiChip::requestFirmwareDebugDumpInternal() {
+ legacy_hal::wifi_error legacy_status;
+ std::vector<uint8_t> firmware_dump;
+ std::tie(legacy_status, firmware_dump) =
+ legacy_hal_.lock()->requestFirmwareMemoryDump(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to get firmware debug dump: "
+ << legacyErrorToString(legacy_status);
+ return {createWifiStatusFromLegacyError(legacy_status), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), firmware_dump};
+}
+
+std::pair<WifiStatus, sp<IWifiApIface>> WifiChip::createApIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfType(IfaceType::AP)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = allocateApOrStaIfaceName();
+ sp<WifiApIface> iface = new WifiApIface(ifname, legacy_hal_);
+ ap_ifaces_.push_back(iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceAdded(IfaceType::AP, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceAdded callback";
+ }
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+std::pair<WifiStatus, std::vector<hidl_string>>
+WifiChip::getApIfaceNamesInternal() {
+ if (ap_ifaces_.empty()) {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(ap_ifaces_)};
+}
+
+std::pair<WifiStatus, sp<IWifiApIface>> WifiChip::getApIfaceInternal(
+ const std::string& ifname) {
+ const auto iface = findUsingName(ap_ifaces_, ifname);
+ if (!iface.get()) {
+ return {createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS), nullptr};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+WifiStatus WifiChip::removeApIfaceInternal(const std::string& ifname) {
+ const auto iface = findUsingName(ap_ifaces_, ifname);
+ if (!iface.get()) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ invalidateAndClear(ap_ifaces_, iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceRemoved(IfaceType::AP, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceRemoved callback";
+ }
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<IWifiNanIface>> WifiChip::createNanIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfType(IfaceType::NAN)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ // These are still assumed to be based on wlan0.
+ std::string ifname = getWlan0IfaceName();
+ sp<WifiNanIface> iface = new WifiNanIface(ifname, legacy_hal_);
+ nan_ifaces_.push_back(iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceAdded(IfaceType::NAN, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceAdded callback";
+ }
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+std::pair<WifiStatus, std::vector<hidl_string>>
+WifiChip::getNanIfaceNamesInternal() {
+ if (nan_ifaces_.empty()) {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(nan_ifaces_)};
+}
+
+std::pair<WifiStatus, sp<IWifiNanIface>> WifiChip::getNanIfaceInternal(
+ const std::string& ifname) {
+ const auto iface = findUsingName(nan_ifaces_, ifname);
+ if (!iface.get()) {
+ return {createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS), nullptr};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+WifiStatus WifiChip::removeNanIfaceInternal(const std::string& ifname) {
+ const auto iface = findUsingName(nan_ifaces_, ifname);
+ if (!iface.get()) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ invalidateAndClear(nan_ifaces_, iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceRemoved(IfaceType::NAN, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceAdded callback";
+ }
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<IWifiP2pIface>> WifiChip::createP2pIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfType(IfaceType::P2P)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = getP2pIfaceName();
+ sp<WifiP2pIface> iface = new WifiP2pIface(ifname, legacy_hal_);
+ p2p_ifaces_.push_back(iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceAdded(IfaceType::P2P, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceAdded callback";
+ }
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+std::pair<WifiStatus, std::vector<hidl_string>>
+WifiChip::getP2pIfaceNamesInternal() {
+ if (p2p_ifaces_.empty()) {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(p2p_ifaces_)};
+}
+
+std::pair<WifiStatus, sp<IWifiP2pIface>> WifiChip::getP2pIfaceInternal(
+ const std::string& ifname) {
+ const auto iface = findUsingName(p2p_ifaces_, ifname);
+ if (!iface.get()) {
+ return {createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS), nullptr};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+WifiStatus WifiChip::removeP2pIfaceInternal(const std::string& ifname) {
+ const auto iface = findUsingName(p2p_ifaces_, ifname);
+ if (!iface.get()) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ invalidateAndClear(p2p_ifaces_, iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceRemoved(IfaceType::P2P, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceRemoved callback";
+ }
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<IWifiStaIface>> WifiChip::createStaIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfType(IfaceType::STA)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = allocateApOrStaIfaceName();
+ sp<WifiStaIface> iface = new WifiStaIface(ifname, legacy_hal_);
+ sta_ifaces_.push_back(iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceAdded(IfaceType::STA, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceAdded callback";
+ }
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+std::pair<WifiStatus, std::vector<hidl_string>>
+WifiChip::getStaIfaceNamesInternal() {
+ if (sta_ifaces_.empty()) {
+ return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(sta_ifaces_)};
+}
+
+std::pair<WifiStatus, sp<IWifiStaIface>> WifiChip::getStaIfaceInternal(
+ const std::string& ifname) {
+ const auto iface = findUsingName(sta_ifaces_, ifname);
+ if (!iface.get()) {
+ return {createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS), nullptr};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+WifiStatus WifiChip::removeStaIfaceInternal(const std::string& ifname) {
+ const auto iface = findUsingName(sta_ifaces_, ifname);
+ if (!iface.get()) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ invalidateAndClear(sta_ifaces_, iface);
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceRemoved(IfaceType::STA, ifname).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceRemoved callback";
+ }
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<IWifiRttController>>
+WifiChip::createRttControllerInternal(const sp<IWifiIface>& bound_iface) {
+ sp<WifiRttController> rtt =
+ new WifiRttController(getWlan0IfaceName(), bound_iface, legacy_hal_);
+ rtt_controllers_.emplace_back(rtt);
+ return {createWifiStatus(WifiStatusCode::SUCCESS), rtt};
+}
+
+std::pair<WifiStatus, std::vector<WifiDebugRingBufferStatus>>
+WifiChip::getDebugRingBuffersStatusInternal() {
+ legacy_hal::wifi_error legacy_status;
+ std::vector<legacy_hal::wifi_ring_buffer_status>
+ legacy_ring_buffer_status_vec;
+ std::tie(legacy_status, legacy_ring_buffer_status_vec) =
+ legacy_hal_.lock()->getRingBuffersStatus(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ return {createWifiStatusFromLegacyError(legacy_status), {}};
+ }
+ std::vector<WifiDebugRingBufferStatus> hidl_ring_buffer_status_vec;
+ if (!hidl_struct_util::convertLegacyVectorOfDebugRingBufferStatusToHidl(
+ legacy_ring_buffer_status_vec, &hidl_ring_buffer_status_vec)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS),
+ hidl_ring_buffer_status_vec};
+}
+
+WifiStatus WifiChip::startLoggingToDebugRingBufferInternal(
+ const hidl_string& ring_name, WifiDebugRingBufferVerboseLevel verbose_level,
+ uint32_t max_interval_in_sec, uint32_t min_data_size_in_bytes) {
+ WifiStatus status = registerDebugRingBufferCallback();
+ if (status.code != WifiStatusCode::SUCCESS) {
+ return status;
+ }
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->startRingBufferLogging(
+ getWlan0IfaceName(), ring_name,
+ static_cast<
+ std::underlying_type<WifiDebugRingBufferVerboseLevel>::type>(
+ verbose_level),
+ max_interval_in_sec, min_data_size_in_bytes);
+ ringbuffer_map_.insert(std::pair<std::string, Ringbuffer>(
+ ring_name, Ringbuffer(kMaxBufferSizeBytes)));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::forceDumpToDebugRingBufferInternal(
+ const hidl_string& ring_name) {
+ WifiStatus status = registerDebugRingBufferCallback();
+ if (status.code != WifiStatusCode::SUCCESS) {
+ return status;
+ }
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->getRingBufferData(getWlan0IfaceName(), ring_name);
+
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::stopLoggingToDebugRingBufferInternal() {
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->deregisterRingBufferCallbackHandler(
+ getWlan0IfaceName());
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+std::pair<WifiStatus, WifiDebugHostWakeReasonStats>
+WifiChip::getDebugHostWakeReasonStatsInternal() {
+ legacy_hal::wifi_error legacy_status;
+ legacy_hal::WakeReasonStats legacy_stats;
+ std::tie(legacy_status, legacy_stats) =
+ legacy_hal_.lock()->getWakeReasonStats(getWlan0IfaceName());
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ return {createWifiStatusFromLegacyError(legacy_status), {}};
+ }
+ WifiDebugHostWakeReasonStats hidl_stats;
+ if (!hidl_struct_util::convertLegacyWakeReasonStatsToHidl(legacy_stats,
+ &hidl_stats)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_stats};
+}
+
+WifiStatus WifiChip::enableDebugErrorAlertsInternal(bool enable) {
+ legacy_hal::wifi_error legacy_status;
+ if (enable) {
+ android::wp<WifiChip> weak_ptr_this(this);
+ const auto& on_alert_callback = [weak_ptr_this](
+ int32_t error_code,
+ std::vector<uint8_t> debug_data) {
+ const auto shared_ptr_this = weak_ptr_this.promote();
+ if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+ LOG(ERROR) << "Callback invoked on an invalid object";
+ return;
+ }
+ for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+ if (!callback->onDebugErrorAlert(error_code, debug_data)
+ .isOk()) {
+ LOG(ERROR) << "Failed to invoke onDebugErrorAlert callback";
+ }
+ }
+ };
+ legacy_status = legacy_hal_.lock()->registerErrorAlertCallbackHandler(
+ getWlan0IfaceName(), on_alert_callback);
+ } else {
+ legacy_status = legacy_hal_.lock()->deregisterErrorAlertCallbackHandler(
+ getWlan0IfaceName());
+ }
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::selectTxPowerScenarioInternal(
+ V1_1::IWifiChip::TxPowerScenario scenario) {
+ auto legacy_status = legacy_hal_.lock()->selectTxPowerScenario(
+ getWlan0IfaceName(),
+ hidl_struct_util::convertHidlTxPowerScenarioToLegacy(scenario));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::resetTxPowerScenarioInternal() {
+ auto legacy_status =
+ legacy_hal_.lock()->resetTxPowerScenario(getWlan0IfaceName());
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::registerEventCallbackInternal_1_2(
+ const sp<V1_2::IWifiChipEventCallback>& event_callback) {
+ if (!event_cb_handler_.addCallback(event_callback)) {
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiChip::selectTxPowerScenarioInternal_1_2(
+ TxPowerScenario scenario) {
+ auto legacy_status = legacy_hal_.lock()->selectTxPowerScenario(
+ getWlan0IfaceName(),
+ hidl_struct_util::convertHidlTxPowerScenarioToLegacy_1_2(scenario));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::handleChipConfiguration(
+ /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
+ ChipModeId mode_id) {
+ // If the chip is already configured in a different mode, stop
+ // the legacy HAL and then start it after firmware mode change.
+ if (isValidModeId(current_mode_id_)) {
+ LOG(INFO) << "Reconfiguring chip from mode " << current_mode_id_
+ << " to mode " << mode_id;
+ invalidateAndRemoveAllIfaces();
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->stop(lock, []() {});
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to stop legacy HAL: "
+ << legacyErrorToString(legacy_status);
+ return createWifiStatusFromLegacyError(legacy_status);
+ }
+ }
+ // Firmware mode change not needed for V2 devices.
+ bool success = true;
+ if (mode_id == kV1StaChipModeId) {
+ success = mode_controller_.lock()->changeFirmwareMode(IfaceType::STA);
+ } else if (mode_id == kV1ApChipModeId) {
+ success = mode_controller_.lock()->changeFirmwareMode(IfaceType::AP);
+ }
+ if (!success) {
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->start();
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to start legacy HAL: "
+ << legacyErrorToString(legacy_status);
+ return createWifiStatusFromLegacyError(legacy_status);
+ }
+ // Every time the HAL is restarted, we need to register the
+ // radio mode change callback.
+ WifiStatus status = registerRadioModeChangeCallback();
+ if (status.code != WifiStatusCode::SUCCESS) {
+ // This probably is not a critical failure?
+ LOG(ERROR) << "Failed to register radio mode change callback";
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiChip::registerDebugRingBufferCallback() {
+ if (debug_ring_buffer_cb_registered_) {
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+ }
+
+ android::wp<WifiChip> weak_ptr_this(this);
+ const auto& on_ring_buffer_data_callback =
+ [weak_ptr_this](const std::string& name,
+ const std::vector<uint8_t>& data,
+ const legacy_hal::wifi_ring_buffer_status& status) {
+ const auto shared_ptr_this = weak_ptr_this.promote();
+ if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+ LOG(ERROR) << "Callback invoked on an invalid object";
+ return;
+ }
+ WifiDebugRingBufferStatus hidl_status;
+ if (!hidl_struct_util::convertLegacyDebugRingBufferStatusToHidl(
+ status, &hidl_status)) {
+ LOG(ERROR) << "Error converting ring buffer status";
+ return;
+ }
+ const auto& target = shared_ptr_this->ringbuffer_map_.find(name);
+ if (target != shared_ptr_this->ringbuffer_map_.end()) {
+ Ringbuffer& cur_buffer = target->second;
+ cur_buffer.append(data);
+ } else {
+ LOG(ERROR) << "Ringname " << name << " not found";
+ return;
+ }
+ };
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->registerRingBufferCallbackHandler(
+ getWlan0IfaceName(), on_ring_buffer_data_callback);
+
+ if (legacy_status == legacy_hal::WIFI_SUCCESS) {
+ debug_ring_buffer_cb_registered_ = true;
+ }
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::registerRadioModeChangeCallback() {
+ android::wp<WifiChip> weak_ptr_this(this);
+ const auto& on_radio_mode_change_callback =
+ [weak_ptr_this](const std::vector<legacy_hal::WifiMacInfo>& mac_infos) {
+ const auto shared_ptr_this = weak_ptr_this.promote();
+ if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+ LOG(ERROR) << "Callback invoked on an invalid object";
+ return;
+ }
+ std::vector<V1_2::IWifiChipEventCallback::RadioModeInfo>
+ hidl_radio_mode_infos;
+ if (!hidl_struct_util::convertLegacyWifiMacInfosToHidl(
+ mac_infos, &hidl_radio_mode_infos)) {
+ LOG(ERROR) << "Error converting wifi mac info";
+ return;
+ }
+ for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+ if (!callback->onRadioModeChange(hidl_radio_mode_infos)
+ .isOk()) {
+ LOG(ERROR) << "Failed to invoke onRadioModeChange"
+ << " callback on: " << toString(callback);
+ }
+ }
+ };
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->registerRadioModeChangeCallbackHandler(
+ getWlan0IfaceName(), on_radio_mode_change_callback);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+void WifiChip::populateModes() {
+ // The chip combination supported for current devices is fixed.
+ // They can be one of the following based on device features:
+ // a) 2 separate modes of operation with 1 interface combination each:
+ // Mode 1 (STA mode): Will support 1 STA and 1 P2P or NAN(optional)
+ // concurrent iface operations.
+ // Mode 2 (AP mode): Will support 1 AP iface operation.
+ //
+ // b) 1 mode of operation with 2 interface combinations
+ // (conditional on isDualInterfaceSupported()):
+ // Interface Combination 1: Will support 1 STA and 1 P2P or NAN(optional)
+ // concurrent iface operations.
+ // Interface Combination 2: Will support 1 STA and 1 AP concurrent
+ // iface operations.
+ // If Aware is enabled (conditional on isAwareSupported()), the iface
+ // combination will be modified to support either P2P or NAN in place of
+ // just P2P.
+ if (feature_flags_.lock()->isDualInterfaceSupported()) {
+ // V2 Iface combinations for Mode Id = 2.
+ const IWifiChip::ChipIfaceCombinationLimit
+ chip_iface_combination_limit_1 = {{IfaceType::STA}, 1};
+ const IWifiChip::ChipIfaceCombinationLimit
+ chip_iface_combination_limit_2 = {{IfaceType::AP}, 1};
+ IWifiChip::ChipIfaceCombinationLimit chip_iface_combination_limit_3;
+ if (feature_flags_.lock()->isAwareSupported()) {
+ chip_iface_combination_limit_3 = {{IfaceType::P2P, IfaceType::NAN},
+ 1};
+ } else {
+ chip_iface_combination_limit_3 = {{IfaceType::P2P}, 1};
+ }
+ const IWifiChip::ChipIfaceCombination chip_iface_combination_1 = {
+ {chip_iface_combination_limit_1, chip_iface_combination_limit_2}};
+ const IWifiChip::ChipIfaceCombination chip_iface_combination_2 = {
+ {chip_iface_combination_limit_1, chip_iface_combination_limit_3}};
+ if (feature_flags_.lock()->isApDisabled()) {
+ const IWifiChip::ChipMode chip_mode = {kV2ChipModeId,
+ {chip_iface_combination_2}};
+ modes_ = {chip_mode};
+ } else {
+ const IWifiChip::ChipMode chip_mode = {
+ kV2ChipModeId,
+ {chip_iface_combination_1, chip_iface_combination_2}};
+ modes_ = {chip_mode};
+ }
+ } else {
+ // V1 Iface combinations for Mode Id = 0. (STA Mode)
+ const IWifiChip::ChipIfaceCombinationLimit
+ sta_chip_iface_combination_limit_1 = {{IfaceType::STA}, 1};
+ IWifiChip::ChipIfaceCombinationLimit sta_chip_iface_combination_limit_2;
+ if (feature_flags_.lock()->isAwareSupported()) {
+ sta_chip_iface_combination_limit_2 = {
+ {IfaceType::P2P, IfaceType::NAN}, 1};
+ } else {
+ sta_chip_iface_combination_limit_2 = {{IfaceType::P2P}, 1};
+ }
+ const IWifiChip::ChipIfaceCombination sta_chip_iface_combination = {
+ {sta_chip_iface_combination_limit_1,
+ sta_chip_iface_combination_limit_2}};
+ const IWifiChip::ChipMode sta_chip_mode = {
+ kV1StaChipModeId, {sta_chip_iface_combination}};
+ // Iface combinations for Mode Id = 1. (AP Mode)
+ const IWifiChip::ChipIfaceCombinationLimit
+ ap_chip_iface_combination_limit = {{IfaceType::AP}, 1};
+ const IWifiChip::ChipIfaceCombination ap_chip_iface_combination = {
+ {ap_chip_iface_combination_limit}};
+ const IWifiChip::ChipMode ap_chip_mode = {kV1ApChipModeId,
+ {ap_chip_iface_combination}};
+ if (feature_flags_.lock()->isApDisabled()) {
+ modes_ = {sta_chip_mode};
+ } else {
+ modes_ = {sta_chip_mode, ap_chip_mode};
+ }
+ }
+}
+
+std::vector<IWifiChip::ChipIfaceCombination>
+WifiChip::getCurrentModeIfaceCombinations() {
+ if (!isValidModeId(current_mode_id_)) {
+ LOG(ERROR) << "Chip not configured in a mode yet";
+ return {};
+ }
+ for (const auto& mode : modes_) {
+ if (mode.id == current_mode_id_) {
+ return mode.availableCombinations;
+ }
+ }
+ CHECK(0) << "Expected to find iface combinations for current mode!";
+ return {};
+}
+
+// Returns a map indexed by IfaceType with the number of ifaces currently
+// created of the corresponding type.
+std::map<IfaceType, size_t> WifiChip::getCurrentIfaceCombination() {
+ std::map<IfaceType, size_t> iface_counts;
+ iface_counts[IfaceType::AP] = ap_ifaces_.size();
+ iface_counts[IfaceType::NAN] = nan_ifaces_.size();
+ iface_counts[IfaceType::P2P] = p2p_ifaces_.size();
+ iface_counts[IfaceType::STA] = sta_ifaces_.size();
+ return iface_counts;
+}
+
+// This expands the provided iface combinations to a more parseable
+// form. Returns a vector of available combinations possible with the number
+// of ifaces of each type in the combination.
+// This method is a port of HalDeviceManager.expandIfaceCombos() from framework.
+std::vector<std::map<IfaceType, size_t>> WifiChip::expandIfaceCombinations(
+ const IWifiChip::ChipIfaceCombination& combination) {
+ uint32_t num_expanded_combos = 1;
+ for (const auto& limit : combination.limits) {
+ for (uint32_t i = 0; i < limit.maxIfaces; i++) {
+ num_expanded_combos *= limit.types.size();
+ }
+ }
+
+ // Allocate the vector of expanded combos and reset all iface counts to 0
+ // in each combo.
+ std::vector<std::map<IfaceType, size_t>> expanded_combos;
+ expanded_combos.resize(num_expanded_combos);
+ for (auto& expanded_combo : expanded_combos) {
+ for (const auto type :
+ {IfaceType::AP, IfaceType::NAN, IfaceType::P2P, IfaceType::STA}) {
+ expanded_combo[type] = 0;
+ }
+ }
+ uint32_t span = num_expanded_combos;
+ for (const auto& limit : combination.limits) {
+ for (uint32_t i = 0; i < limit.maxIfaces; i++) {
+ span /= limit.types.size();
+ for (uint32_t k = 0; k < num_expanded_combos; ++k) {
+ const auto iface_type =
+ limit.types[(k / span) % limit.types.size()];
+ expanded_combos[k][iface_type]++;
+ }
+ }
+ }
+ return expanded_combos;
+}
+
+bool WifiChip::canExpandedIfaceCombinationSupportIfaceOfType(
+ const std::map<IfaceType, size_t>& combo, IfaceType requested_type) {
+ const auto current_combo = getCurrentIfaceCombination();
+
+ // Check if we have space for 1 more iface of |type| in this combo
+ for (const auto type :
+ {IfaceType::AP, IfaceType::NAN, IfaceType::P2P, IfaceType::STA}) {
+ size_t num_ifaces_needed = current_combo.at(type);
+ if (type == requested_type) {
+ num_ifaces_needed++;
+ }
+ size_t num_ifaces_allowed = combo.at(type);
+ if (num_ifaces_needed > num_ifaces_allowed) {
+ return false;
+ }
+ }
+ return true;
+}
+
+// This method does the following:
+// a) Enumerate all possible iface combos by expanding the current
+// ChipIfaceCombination.
+// b) Check if the requested iface type can be added to the current mode.
+bool WifiChip::canCurrentModeSupportIfaceOfType(IfaceType type) {
+ if (!isValidModeId(current_mode_id_)) {
+ LOG(ERROR) << "Chip not configured in a mode yet";
+ return false;
+ }
+ const auto combinations = getCurrentModeIfaceCombinations();
+ for (const auto& combination : combinations) {
+ const auto expanded_combos = expandIfaceCombinations(combination);
+ for (const auto& expanded_combo : expanded_combos) {
+ if (canExpandedIfaceCombinationSupportIfaceOfType(expanded_combo,
+ type)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+bool WifiChip::isValidModeId(ChipModeId mode_id) {
+ for (const auto& mode : modes_) {
+ if (mode.id == mode_id) {
+ return true;
+ }
+ }
+ return false;
+}
+
+// Return "wlan0", if "wlan0" is not already in use, else return "wlan1".
+// This is based on the assumption that we'll have a max of 2 concurrent
+// AP/STA ifaces.
+std::string WifiChip::allocateApOrStaIfaceName() {
+ auto ap_iface = findUsingName(ap_ifaces_, getWlan0IfaceName());
+ auto sta_iface = findUsingName(sta_ifaces_, getWlan0IfaceName());
+ if (!ap_iface.get() && !sta_iface.get()) {
+ return getWlan0IfaceName();
+ }
+ ap_iface = findUsingName(ap_ifaces_, getWlan1IfaceName());
+ sta_iface = findUsingName(sta_ifaces_, getWlan1IfaceName());
+ if (!ap_iface.get() && !sta_iface.get()) {
+ return getWlan1IfaceName();
+ }
+ // This should never happen. We screwed up somewhere if it did.
+ CHECK(0) << "wlan0 and wlan1 in use already!";
+ return {};
+}
+
+bool WifiChip::writeRingbufferFilesInternal() {
+ if (!removeOldFilesInternal()) {
+ LOG(ERROR) << "Error occurred while deleting old tombstone files";
+ return false;
+ }
+ // write ringbuffers to file
+ for (const auto& item : ringbuffer_map_) {
+ const Ringbuffer& cur_buffer = item.second;
+ if (cur_buffer.getData().empty()) {
+ continue;
+ }
+ const std::string file_path_raw =
+ kTombstoneFolderPath + item.first + "XXXXXXXXXX";
+ const int dump_fd = mkstemp(makeCharVec(file_path_raw).data());
+ if (dump_fd == -1) {
+ LOG(ERROR) << "create file failed: " << strerror(errno);
+ return false;
+ }
+ unique_fd file_auto_closer(dump_fd);
+ for (const auto& cur_block : cur_buffer.getData()) {
+ if (write(dump_fd, cur_block.data(),
+ sizeof(cur_block[0]) * cur_block.size()) == -1) {
+ LOG(ERROR) << "Error writing to file " << strerror(errno);
+ }
+ }
+ }
+ return true;
+}
+
+} // namespace implementation
+} // namespace V1_3
+} // namespace wifi
+} // namespace hardware
+} // namespace android