Wifi: Uprev wifi HAL to 1.6
This commit uprevs the Wifi vendor HAL to 1.6
Bug: 214108561
Test: atest VtsHalWifiV1_0TargetTest VtsHalWifiNanV1_0TargetTest VtsHalWifiApV1_0TargetTest \
VtsHalWifiV1_1TargetTest \
VtsHalWifiV1_2TargetTest VtsHalWifiNanV1_2TargetTest \
VtsHalWifiV1_3TargetTest \
VtsHalWifiApV1_4TargetTest VtsHalWifiNanV1_4TargetTest VtsHalWifiRttV1_4TargetTest \
VtsHalWifiV1_5TargetTest VtsHalWifiNanV1_5TargetTest VtsHalWifiApV1_5TargetTest
Change-Id: I059a5de346e353f7fba1e008ecd9fb4611e66880
diff --git a/wifi/1.6/default/wifi_chip.cpp b/wifi/1.6/default/wifi_chip.cpp
new file mode 100644
index 0000000..c1ce766
--- /dev/null
+++ b/wifi/1.6/default/wifi_chip.cpp
@@ -0,0 +1,1903 @@
+/*
+ * 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 <net/if.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"
+
+#define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
+
+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 char kCpioMagic[] = "070701";
+constexpr size_t kMaxBufferSizeBytes = 1024 * 1024 * 3;
+constexpr uint32_t kMaxRingBufferFileAgeSeconds = 60 * 60 * 10;
+constexpr uint32_t kMaxRingBufferFileNum = 20;
+constexpr char kTombstoneFolderPath[] = "/data/vendor/tombstones/wifi/";
+constexpr char kActiveWlanIfaceNameProperty[] = "wifi.active.interface";
+constexpr char kNoActiveWlanIfaceNamePropertyValue[] = "";
+constexpr unsigned kMaxWlanIfaces = 5;
+constexpr char kApBridgeIfacePrefix[] = "ap_br_";
+
+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 getWlanIfaceName(unsigned idx) {
+ if (idx >= kMaxWlanIfaces) {
+ CHECK(false) << "Requested interface beyond wlan" << kMaxWlanIfaces;
+ return {};
+ }
+
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ if (idx == 0 || idx == 1) {
+ const char* altPropName = (idx == 0) ? "wifi.interface" : "wifi.concurrent.interface";
+ auto res = property_get(altPropName, buffer.data(), nullptr);
+ if (res > 0) return buffer.data();
+ }
+ std::string propName = "wifi.interface." + std::to_string(idx);
+ auto res = property_get(propName.c_str(), buffer.data(), nullptr);
+ if (res > 0) return buffer.data();
+
+ return "wlan" + std::to_string(idx);
+}
+
+// Returns the dedicated iface name if defined.
+// Returns two ifaces in bridged mode.
+std::vector<std::string> getPredefinedApIfaceNames(bool is_bridged) {
+ std::vector<std::string> ifnames;
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ buffer.fill(0);
+ if (property_get("ro.vendor.wifi.sap.interface", buffer.data(), nullptr) == 0) {
+ return ifnames;
+ }
+ ifnames.push_back(buffer.data());
+ if (is_bridged) {
+ buffer.fill(0);
+ if (property_get("ro.vendor.wifi.sap.concurrent.iface", buffer.data(), nullptr) == 0) {
+ return ifnames;
+ }
+ ifnames.push_back(buffer.data());
+ }
+ return ifnames;
+}
+
+std::string getPredefinedP2pIfaceName() {
+ std::array<char, PROPERTY_VALUE_MAX> primaryIfaceName;
+ char p2pParentIfname[100];
+ std::string p2pDevIfName = "";
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ property_get("wifi.direct.interface", buffer.data(), "p2p0");
+ if (strncmp(buffer.data(), P2P_MGMT_DEVICE_PREFIX, strlen(P2P_MGMT_DEVICE_PREFIX)) == 0) {
+ /* Get the p2p parent interface name from p2p device interface name set
+ * in property */
+ strncpy(p2pParentIfname, buffer.data() + strlen(P2P_MGMT_DEVICE_PREFIX),
+ strlen(buffer.data()) - strlen(P2P_MGMT_DEVICE_PREFIX));
+ if (property_get(kActiveWlanIfaceNameProperty, primaryIfaceName.data(), nullptr) == 0) {
+ return buffer.data();
+ }
+ /* Check if the parent interface derived from p2p device interface name
+ * is active */
+ if (strncmp(p2pParentIfname, primaryIfaceName.data(),
+ strlen(buffer.data()) - strlen(P2P_MGMT_DEVICE_PREFIX)) != 0) {
+ /*
+ * Update the predefined p2p device interface parent interface name
+ * with current active wlan interface
+ */
+ p2pDevIfName += P2P_MGMT_DEVICE_PREFIX;
+ p2pDevIfName += primaryIfaceName.data();
+ LOG(INFO) << "update the p2p device interface name to " << p2pDevIfName.c_str();
+ return p2pDevIfName;
+ }
+ }
+ return buffer.data();
+}
+
+// Returns the dedicated iface name if one is defined.
+std::string getPredefinedNanIfaceName() {
+ std::array<char, PROPERTY_VALUE_MAX> buffer;
+ if (property_get("wifi.aware.interface", buffer.data(), nullptr) == 0) {
+ return {};
+ }
+ return buffer.data();
+}
+
+void setActiveWlanIfaceNameProperty(const std::string& ifname) {
+ auto res = property_set(kActiveWlanIfaceNameProperty, ifname.data());
+ if (res != 0) {
+ PLOG(ERROR) << "Failed to set active wlan iface name property";
+ }
+}
+
+// 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) {
+ PLOG(ERROR) << "Failed to open directory";
+ 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) {
+ PLOG(ERROR) << "Failed to get file stat for " << cur_file_path;
+ 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) {
+ PLOG(ERROR) << "Error deleting file";
+ 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) {
+ PLOG(ERROR) << "Error writing cpio header to file " << file_name;
+ return false;
+ }
+ if (write(out_fd, file_name, file_name_len) == -1) {
+ PLOG(ERROR) << "Error writing filename to file " << file_name;
+ 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) {
+ PLOG(ERROR) << "Error padding 0s to file " << file_name;
+ 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) {
+ PLOG(ERROR) << "Error reading file";
+ return ++n_error;
+ }
+ llen -= bytes_read;
+ if (write(out_fd, read_buf.data(), bytes_read) == -1) {
+ PLOG(ERROR) << "Error writing data to file";
+ return ++n_error;
+ }
+ if (bytes_read == 0) { // this should never happen, but just in case
+ // to unstuck from while loop
+ PLOG(ERROR) << "Unexpected read result";
+ n_error++;
+ break;
+ }
+ }
+ llen = st.st_size % 4;
+ if (llen != 0) {
+ const uint32_t zero = 0;
+ if (write(out_fd, &zero, 4 - llen) == -1) {
+ PLOG(ERROR) << "Error padding 0s to file";
+ 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) {
+ PLOG(ERROR) << "Error writing trailing bytes";
+ 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) {
+ PLOG(ERROR) << "Failed to open directory";
+ return ++n_error;
+ }
+ while ((dp = readdir(dir_dump.get()))) {
+ if (dp->d_type != DT_REG) {
+ continue;
+ }
+ std::string cur_file_name(dp->d_name);
+ struct stat st;
+ const std::string cur_file_path = kTombstoneFolderPath + cur_file_name;
+ if (stat(cur_file_path.c_str(), &st) == -1) {
+ PLOG(ERROR) << "Failed to get file stat for " << cur_file_path;
+ n_error++;
+ continue;
+ }
+ const int fd_read = open(cur_file_path.c_str(), O_RDONLY);
+ if (fd_read == -1) {
+ PLOG(ERROR) << "Failed to open file " << cur_file_path;
+ n_error++;
+ continue;
+ }
+ std::string file_name_with_last_modified_time =
+ cur_file_name + "-" + std::to_string(st.st_mtime);
+ // 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 = file_name_with_last_modified_time.size() + 1;
+ unique_fd file_auto_closer(fd_read);
+ if (!cpioWriteHeader(out_fd, st, file_name_with_last_modified_time.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_6 {
+namespace implementation {
+using hidl_return_util::validateAndCall;
+using hidl_return_util::validateAndCallWithLock;
+
+WifiChip::WifiChip(ChipId chip_id, bool is_primary,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
+ const std::weak_ptr<mode_controller::WifiModeController> mode_controller,
+ const std::shared_ptr<iface_util::WifiIfaceUtil> iface_util,
+ const std::weak_ptr<feature_flags::WifiFeatureFlags> feature_flags,
+ const std::function<void(const std::string&)>& handler)
+ : chip_id_(chip_id),
+ legacy_hal_(legacy_hal),
+ mode_controller_(mode_controller),
+ iface_util_(iface_util),
+ is_valid_(true),
+ current_mode_id_(feature_flags::chip_mode_ids::kInvalid),
+ modes_(feature_flags.lock()->getChipModes(is_primary)),
+ debug_ring_buffer_cb_registered_(false),
+ subsystemCallbackHandler_(handler) {
+ setActiveWlanIfaceNameProperty(kNoActiveWlanIfaceNamePropertyValue);
+}
+
+void WifiChip::invalidate() {
+ if (!writeRingbufferFilesInternal()) {
+ LOG(ERROR) << "Error writing files to flash";
+ }
+ invalidateAndRemoveAllIfaces();
+ setActiveWlanIfaceNameProperty(kNoActiveWlanIfaceNamePropertyValue);
+ legacy_hal_.reset();
+ event_cb_handler_.invalidate();
+ is_valid_ = false;
+}
+
+bool WifiChip::isValid() {
+ return is_valid_;
+}
+
+std::set<sp<V1_4::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::createBridgedApIface(createBridgedApIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createBridgedApIfaceInternal, 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::removeIfaceInstanceFromBridgedApIface(
+ const hidl_string& ifname, const hidl_string& ifInstanceName,
+ removeIfaceInstanceFromBridgedApIface_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::removeIfaceInstanceFromBridgedApIfaceInternal, hidl_status_cb,
+ ifname, ifInstanceName);
+}
+
+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::flushRingBufferToFile(flushRingBufferToFile_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::flushRingBufferToFileInternal, hidl_status_cb);
+}
+
+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::setLatencyMode(LatencyMode mode, setLatencyMode_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::setLatencyModeInternal, hidl_status_cb, mode);
+}
+
+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::getCapabilities_1_3(getCapabilities_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getCapabilitiesInternal_1_3, hidl_status_cb);
+}
+
+Return<void> WifiChip::getCapabilities_1_5(getCapabilities_1_5_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getCapabilitiesInternal_1_5, hidl_status_cb);
+}
+
+Return<void> WifiChip::debug(const hidl_handle& handle, const hidl_vec<hidl_string>&) {
+ if (handle != nullptr && handle->numFds >= 1) {
+ {
+ std::unique_lock<std::mutex> lk(lock_t);
+ for (const auto& item : ringbuffer_map_) {
+ forceDumpToDebugRingBufferInternal(item.first);
+ }
+ // unique_lock unlocked here
+ }
+ usleep(100 * 1000); // sleep for 100 milliseconds to wait for
+ // ringbuffer updates.
+ 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();
+}
+
+Return<void> WifiChip::createRttController_1_4(const sp<IWifiIface>& bound_iface,
+ createRttController_1_4_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::createRttControllerInternal_1_4, hidl_status_cb, bound_iface);
+}
+
+Return<void> WifiChip::registerEventCallback_1_4(
+ const sp<V1_4::IWifiChipEventCallback>& event_callback,
+ registerEventCallback_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::registerEventCallbackInternal_1_4, hidl_status_cb,
+ event_callback);
+}
+
+Return<void> WifiChip::setMultiStaPrimaryConnection(
+ const hidl_string& ifname, setMultiStaPrimaryConnection_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::setMultiStaPrimaryConnectionInternal, hidl_status_cb, ifname);
+}
+
+Return<void> WifiChip::setMultiStaUseCase(MultiStaUseCase use_case,
+ setMultiStaUseCase_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::setMultiStaUseCaseInternal, hidl_status_cb, use_case);
+}
+
+Return<void> WifiChip::setCoexUnsafeChannels(const hidl_vec<CoexUnsafeChannel>& unsafeChannels,
+ hidl_bitfield<CoexRestriction> restrictions,
+ setCoexUnsafeChannels_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::setCoexUnsafeChannelsInternal, hidl_status_cb, unsafeChannels,
+ restrictions);
+}
+
+Return<void> WifiChip::setCountryCode(const hidl_array<int8_t, 2>& code,
+ setCountryCode_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+ &WifiChip::setCountryCodeInternal, hidl_status_cb, code);
+}
+
+Return<void> WifiChip::getUsableChannels(
+ WifiBand band, hidl_bitfield<V1_5::WifiIfaceMode> ifaceModeMask,
+ hidl_bitfield<V1_5::IWifiChip::UsableChannelFilter> filterMask,
+ getUsableChannels_cb _hidl_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::getUsableChannelsInternal, _hidl_cb, band, ifaceModeMask,
+ filterMask);
+}
+
+Return<void> WifiChip::triggerSubsystemRestart(triggerSubsystemRestart_cb hidl_status_cb) {
+ return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+ &WifiChip::triggerSubsystemRestartInternal, hidl_status_cb);
+}
+
+void WifiChip::invalidateAndRemoveAllIfaces() {
+ invalidateAndClearBridgedApAll();
+ 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();
+}
+
+void WifiChip::invalidateAndRemoveDependencies(const std::string& removed_iface_name) {
+ for (auto it = nan_ifaces_.begin(); it != nan_ifaces_.end();) {
+ auto nan_iface = *it;
+ if (nan_iface->getName() == removed_iface_name) {
+ nan_iface->invalidate();
+ for (const auto& callback : event_cb_handler_.getCallbacks()) {
+ if (!callback->onIfaceRemoved(IfaceType::NAN, removed_iface_name).isOk()) {
+ LOG(ERROR) << "Failed to invoke onIfaceRemoved callback";
+ }
+ }
+ it = nan_ifaces_.erase(it);
+ } else {
+ ++it;
+ }
+ }
+
+ for (auto it = rtt_controllers_.begin(); it != rtt_controllers_.end();) {
+ auto rtt = *it;
+ if (rtt->getIfaceName() == removed_iface_name) {
+ rtt->invalidate();
+ it = rtt_controllers_.erase(it);
+ } else {
+ ++it;
+ }
+ }
+}
+
+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() {
+ // Deprecated support for this callback.
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED), 0};
+}
+
+std::pair<WifiStatus, std::vector<V1_4::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;
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+
+ legacy_hal_.lock()->registerSubsystemRestartCallbackHandler(subsystemCallbackHandler_);
+
+ 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, V1_4::IWifiChip::ChipDebugInfo> WifiChip::requestChipDebugInfoInternal() {
+ V1_4::IWifiChip::ChipDebugInfo result;
+ legacy_hal::wifi_error legacy_status;
+ std::string driver_desc;
+ const auto ifname = getFirstActiveWlanIfaceName();
+ std::tie(legacy_status, driver_desc) = legacy_hal_.lock()->getDriverVersion(ifname);
+ 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(ifname);
+ 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(getFirstActiveWlanIfaceName());
+ 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(getFirstActiveWlanIfaceName());
+ 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};
+}
+
+WifiStatus WifiChip::createVirtualApInterface(const std::string& apVirtIf) {
+ legacy_hal::wifi_error legacy_status;
+ legacy_status = legacy_hal_.lock()->createVirtualInterface(
+ apVirtIf, hidl_struct_util::convertHidlIfaceTypeToLegacy(IfaceType::AP));
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to add interface: " << apVirtIf << " "
+ << legacyErrorToString(legacy_status);
+ return createWifiStatusFromLegacyError(legacy_status);
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+sp<WifiApIface> WifiChip::newWifiApIface(std::string& ifname) {
+ std::vector<std::string> ap_instances;
+ for (auto const& it : br_ifaces_ap_instances_) {
+ if (it.first == ifname) {
+ ap_instances = it.second;
+ }
+ }
+ sp<WifiApIface> iface = new WifiApIface(ifname, ap_instances, legacy_hal_, iface_util_);
+ 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";
+ }
+ }
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+ return iface;
+}
+
+std::pair<WifiStatus, sp<V1_5::IWifiApIface>> WifiChip::createApIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::AP)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = allocateApIfaceName();
+ WifiStatus status = createVirtualApInterface(ifname);
+ if (status.code != WifiStatusCode::SUCCESS) {
+ return {status, {}};
+ }
+ sp<WifiApIface> iface = newWifiApIface(ifname);
+ return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
+}
+
+std::pair<WifiStatus, sp<V1_5::IWifiApIface>> WifiChip::createBridgedApIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::AP)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::vector<std::string> ap_instances = allocateBridgedApInstanceNames();
+ if (ap_instances.size() < 2) {
+ LOG(ERROR) << "Fail to allocate two instances";
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string br_ifname = kApBridgeIfacePrefix + ap_instances[0];
+ for (int i = 0; i < 2; i++) {
+ WifiStatus status = createVirtualApInterface(ap_instances[i]);
+ if (status.code != WifiStatusCode::SUCCESS) {
+ if (i != 0) { // The failure happened when creating second virtual
+ // iface.
+ legacy_hal_.lock()->deleteVirtualInterface(
+ ap_instances.front()); // Remove the first virtual iface.
+ }
+ return {status, {}};
+ }
+ }
+ br_ifaces_ap_instances_[br_ifname] = ap_instances;
+ if (!iface_util_->createBridge(br_ifname)) {
+ LOG(ERROR) << "Failed createBridge - br_name=" << br_ifname.c_str();
+ invalidateAndClearBridgedAp(br_ifname);
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ for (auto const& instance : ap_instances) {
+ // Bind ap instance interface to AP bridge
+ if (!iface_util_->addIfaceToBridge(br_ifname, instance)) {
+ LOG(ERROR) << "Failed add if to Bridge - if_name=" << instance.c_str();
+ invalidateAndClearBridgedAp(br_ifname);
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ }
+ sp<WifiApIface> iface = newWifiApIface(br_ifname);
+ 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<V1_5::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);
+ }
+ // Invalidate & remove any dependent objects first.
+ // Note: This is probably not required because we never create
+ // nan/rtt objects over AP iface. But, there is no harm to do it
+ // here and not make that assumption all over the place.
+ invalidateAndRemoveDependencies(ifname);
+ // Clear the bridge interface and the iface instance.
+ invalidateAndClearBridgedAp(ifname);
+ 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";
+ }
+ }
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiChip::removeIfaceInstanceFromBridgedApIfaceInternal(
+ const std::string& ifname, const std::string& ifInstanceName) {
+ const auto iface = findUsingName(ap_ifaces_, ifname);
+ if (!iface.get() || ifInstanceName.empty()) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ // Requires to remove one of the instance in bridge mode
+ for (auto const& it : br_ifaces_ap_instances_) {
+ if (it.first == ifname) {
+ std::vector<std::string> ap_instances = it.second;
+ for (auto const& iface : ap_instances) {
+ if (iface == ifInstanceName) {
+ if (!iface_util_->removeIfaceFromBridge(it.first, iface)) {
+ LOG(ERROR) << "Failed to remove interface: " << ifInstanceName << " from "
+ << ifname;
+ return createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE);
+ }
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->deleteVirtualInterface(iface);
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to del interface: " << iface << " "
+ << legacyErrorToString(legacy_status);
+ return createWifiStatusFromLegacyError(legacy_status);
+ }
+ ap_instances.erase(
+ std::remove(ap_instances.begin(), ap_instances.end(), ifInstanceName),
+ ap_instances.end());
+ br_ifaces_ap_instances_[ifname] = ap_instances;
+ break;
+ }
+ }
+ break;
+ }
+ }
+ iface->removeInstance(ifInstanceName);
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<V1_4::IWifiNanIface>> WifiChip::createNanIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::NAN)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ bool is_dedicated_iface = true;
+ std::string ifname = getPredefinedNanIfaceName();
+ if (ifname.empty() || !iface_util_->ifNameToIndex(ifname)) {
+ // Use the first shared STA iface (wlan0) if a dedicated aware iface is
+ // not defined.
+ ifname = getFirstActiveWlanIfaceName();
+ is_dedicated_iface = false;
+ }
+ sp<WifiNanIface> iface = new WifiNanIface(ifname, is_dedicated_iface, legacy_hal_, iface_util_);
+ 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<V1_4::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 (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::P2P)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = getPredefinedP2pIfaceName();
+ 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<V1_5::IWifiStaIface>> WifiChip::createStaIfaceInternal() {
+ if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::STA)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ std::string ifname = allocateStaIfaceName();
+ legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->createVirtualInterface(
+ ifname, hidl_struct_util::convertHidlIfaceTypeToLegacy(IfaceType::STA));
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to add interface: " << ifname << " "
+ << legacyErrorToString(legacy_status);
+ return {createWifiStatusFromLegacyError(legacy_status), {}};
+ }
+ sp<WifiStaIface> iface = new WifiStaIface(ifname, legacy_hal_, iface_util_);
+ 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";
+ }
+ }
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+ 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<V1_5::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);
+ }
+ // Invalidate & remove any dependent objects first.
+ invalidateAndRemoveDependencies(ifname);
+ legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->deleteVirtualInterface(ifname);
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to remove interface: " << ifname << " "
+ << legacyErrorToString(legacy_status);
+ }
+ 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";
+ }
+ }
+ setActiveWlanIfaceNameProperty(getFirstActiveWlanIfaceName());
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, sp<V1_0::IWifiRttController>> WifiChip::createRttControllerInternal(
+ const sp<IWifiIface>& /*bound_iface*/) {
+ LOG(ERROR) << "createRttController is not supported on this HAL";
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED), {}};
+}
+
+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(getFirstActiveWlanIfaceName());
+ 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(
+ getFirstActiveWlanIfaceName(), 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)));
+ // if verbose logging enabled, turn up HAL daemon logging as well.
+ if (verbose_level < WifiDebugRingBufferVerboseLevel::VERBOSE) {
+ android::base::SetMinimumLogSeverity(android::base::DEBUG);
+ } else {
+ android::base::SetMinimumLogSeverity(android::base::VERBOSE);
+ }
+ 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(getFirstActiveWlanIfaceName(), ring_name);
+
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::flushRingBufferToFileInternal() {
+ if (!writeRingbufferFilesInternal()) {
+ LOG(ERROR) << "Error writing files to flash";
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiChip::stopLoggingToDebugRingBufferInternal() {
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->deregisterRingBufferCallbackHandler(getFirstActiveWlanIfaceName());
+ if (legacy_status == legacy_hal::WIFI_SUCCESS) {
+ debug_ring_buffer_cb_registered_ = false;
+ }
+ 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(getFirstActiveWlanIfaceName());
+ 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(
+ getFirstActiveWlanIfaceName(), on_alert_callback);
+ } else {
+ legacy_status = legacy_hal_.lock()->deregisterErrorAlertCallbackHandler(
+ getFirstActiveWlanIfaceName());
+ }
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::selectTxPowerScenarioInternal(V1_1::IWifiChip::TxPowerScenario scenario) {
+ auto legacy_status = legacy_hal_.lock()->selectTxPowerScenario(
+ getFirstActiveWlanIfaceName(),
+ hidl_struct_util::convertHidlTxPowerScenarioToLegacy(scenario));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::resetTxPowerScenarioInternal() {
+ auto legacy_status = legacy_hal_.lock()->resetTxPowerScenario(getFirstActiveWlanIfaceName());
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::setLatencyModeInternal(LatencyMode mode) {
+ auto legacy_status = legacy_hal_.lock()->setLatencyMode(
+ getFirstActiveWlanIfaceName(), hidl_struct_util::convertHidlLatencyModeToLegacy(mode));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::registerEventCallbackInternal_1_2(
+ const sp<V1_2::IWifiChipEventCallback>& /* event_callback */) {
+ // Deprecated support for this callback.
+ return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
+}
+
+WifiStatus WifiChip::selectTxPowerScenarioInternal_1_2(TxPowerScenario scenario) {
+ auto legacy_status = legacy_hal_.lock()->selectTxPowerScenario(
+ getFirstActiveWlanIfaceName(),
+ hidl_struct_util::convertHidlTxPowerScenarioToLegacy_1_2(scenario));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+std::pair<WifiStatus, uint32_t> WifiChip::getCapabilitiesInternal_1_3() {
+ // Deprecated support for this callback.
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED), 0};
+}
+
+std::pair<WifiStatus, uint32_t> WifiChip::getCapabilitiesInternal_1_5() {
+ legacy_hal::wifi_error legacy_status;
+ uint64_t legacy_feature_set;
+ uint32_t legacy_logger_feature_set;
+ const auto ifname = getFirstActiveWlanIfaceName();
+ std::tie(legacy_status, legacy_feature_set) =
+ legacy_hal_.lock()->getSupportedFeatureSet(ifname);
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ return {createWifiStatusFromLegacyError(legacy_status), 0};
+ }
+ std::tie(legacy_status, legacy_logger_feature_set) =
+ legacy_hal_.lock()->getLoggerSupportedFeatureSet(ifname);
+ 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, sp<V1_4::IWifiRttController>> WifiChip::createRttControllerInternal_1_4(
+ const sp<IWifiIface>& bound_iface) {
+ if (sta_ifaces_.size() == 0 && !canCurrentModeSupportIfaceOfType(IfaceType::STA)) {
+ LOG(ERROR) << "createRttControllerInternal_1_4: Chip cannot support STAs "
+ "(and RTT by extension)";
+ return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
+ }
+ sp<WifiRttController> rtt =
+ new WifiRttController(getFirstActiveWlanIfaceName(), bound_iface, legacy_hal_);
+ rtt_controllers_.emplace_back(rtt);
+ return {createWifiStatus(WifiStatusCode::SUCCESS), rtt};
+}
+
+WifiStatus WifiChip::registerEventCallbackInternal_1_4(
+ const sp<V1_4::IWifiChipEventCallback>& event_callback) {
+ if (!event_cb_handler_.addCallback(event_callback)) {
+ return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+ }
+ return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiChip::setMultiStaPrimaryConnectionInternal(const std::string& ifname) {
+ auto legacy_status = legacy_hal_.lock()->multiStaSetPrimaryConnection(ifname);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::setMultiStaUseCaseInternal(MultiStaUseCase use_case) {
+ auto legacy_status = legacy_hal_.lock()->multiStaSetUseCase(
+ hidl_struct_util::convertHidlMultiStaUseCaseToLegacy(use_case));
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::setCoexUnsafeChannelsInternal(std::vector<CoexUnsafeChannel> unsafe_channels,
+ uint32_t restrictions) {
+ std::vector<legacy_hal::wifi_coex_unsafe_channel> legacy_unsafe_channels;
+ if (!hidl_struct_util::convertHidlVectorOfCoexUnsafeChannelToLegacy(unsafe_channels,
+ &legacy_unsafe_channels)) {
+ return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+ }
+ uint32_t legacy_restrictions = 0;
+ if (restrictions & CoexRestriction::WIFI_DIRECT) {
+ legacy_restrictions |= legacy_hal::wifi_coex_restriction::WIFI_DIRECT;
+ }
+ if (restrictions & CoexRestriction::SOFTAP) {
+ legacy_restrictions |= legacy_hal::wifi_coex_restriction::SOFTAP;
+ }
+ if (restrictions & CoexRestriction::WIFI_AWARE) {
+ legacy_restrictions |= legacy_hal::wifi_coex_restriction::WIFI_AWARE;
+ }
+ auto legacy_status =
+ legacy_hal_.lock()->setCoexUnsafeChannels(legacy_unsafe_channels, legacy_restrictions);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::setCountryCodeInternal(const std::array<int8_t, 2>& code) {
+ auto legacy_status = legacy_hal_.lock()->setCountryCode(getFirstActiveWlanIfaceName(), code);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+std::pair<WifiStatus, std::vector<WifiUsableChannel>> WifiChip::getUsableChannelsInternal(
+ WifiBand band, uint32_t ifaceModeMask, uint32_t filterMask) {
+ legacy_hal::wifi_error legacy_status;
+ std::vector<legacy_hal::wifi_usable_channel> legacy_usable_channels;
+ std::tie(legacy_status, legacy_usable_channels) = legacy_hal_.lock()->getUsableChannels(
+ hidl_struct_util::convertHidlWifiBandToLegacyMacBand(band),
+ hidl_struct_util::convertHidlWifiIfaceModeToLegacy(ifaceModeMask),
+ hidl_struct_util::convertHidlUsableChannelFilterToLegacy(filterMask));
+
+ if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+ return {createWifiStatusFromLegacyError(legacy_status), {}};
+ }
+ std::vector<WifiUsableChannel> hidl_usable_channels;
+ if (!hidl_struct_util::convertLegacyWifiUsableChannelsToHidl(legacy_usable_channels,
+ &hidl_usable_channels)) {
+ return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
+ }
+ return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_usable_channels};
+}
+
+WifiStatus WifiChip::triggerSubsystemRestartInternal() {
+ auto legacy_status = legacy_hal_.lock()->triggerSubsystemRestart();
+ 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 == feature_flags::chip_mode_ids::kV1Sta) {
+ success = mode_controller_.lock()->changeFirmwareMode(IfaceType::STA);
+ } else if (mode_id == feature_flags::chip_mode_ids::kV1Ap) {
+ 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";
+ }
+ // Extract and save the version information into property.
+ std::pair<WifiStatus, V1_4::IWifiChip::ChipDebugInfo> version_info;
+ version_info = WifiChip::requestChipDebugInfoInternal();
+ if (WifiStatusCode::SUCCESS == version_info.first.code) {
+ property_set("vendor.wlan.firmware.version",
+ version_info.second.firmwareDescription.c_str());
+ property_set("vendor.wlan.driver.version", version_info.second.driverDescription.c_str());
+ }
+
+ 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;
+ }
+ {
+ std::unique_lock<std::mutex> lk(shared_ptr_this->lock_t);
+ 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;
+ }
+ // unique_lock unlocked here
+ }
+ };
+ legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->registerRingBufferCallbackHandler(
+ getFirstActiveWlanIfaceName(), 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_4::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_1_4(hidl_radio_mode_infos).isOk()) {
+ LOG(ERROR) << "Failed to invoke onRadioModeChange_1_4"
+ << " callback on: " << toString(callback);
+ }
+ }
+ };
+ legacy_hal::wifi_error legacy_status =
+ legacy_hal_.lock()->registerRadioModeChangeCallbackHandler(
+ getFirstActiveWlanIfaceName(), on_radio_mode_change_callback);
+ return createWifiStatusFromLegacyError(legacy_status);
+}
+
+std::vector<V1_4::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 V1_4::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::canExpandedIfaceComboSupportIfaceOfTypeWithCurrentIfaces(
+ const std::map<IfaceType, size_t>& expanded_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 = expanded_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
+// with the iface combination that is already active.
+bool WifiChip::canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType requested_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 (canExpandedIfaceComboSupportIfaceOfTypeWithCurrentIfaces(expanded_combo,
+ requested_type)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+// Note: This does not consider ifaces already active. It only checks if the
+// provided expanded iface combination can support the requested combo.
+bool WifiChip::canExpandedIfaceComboSupportIfaceCombo(
+ const std::map<IfaceType, size_t>& expanded_combo,
+ const std::map<IfaceType, size_t>& req_combo) {
+ // 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}) {
+ if (req_combo.count(type) == 0) {
+ // Iface of "type" not in the req_combo.
+ continue;
+ }
+ size_t num_ifaces_needed = req_combo.at(type);
+ size_t num_ifaces_allowed = expanded_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 combo can be added to the current mode.
+// Note: This does not consider ifaces already active. It only checks if the
+// current mode can support the requested combo.
+bool WifiChip::canCurrentModeSupportIfaceCombo(const std::map<IfaceType, size_t>& req_combo) {
+ 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 (canExpandedIfaceComboSupportIfaceCombo(expanded_combo, req_combo)) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+// 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 requested_type) {
+ // Check if we can support at least 1 iface of type.
+ std::map<IfaceType, size_t> req_iface_combo;
+ req_iface_combo[requested_type] = 1;
+ return canCurrentModeSupportIfaceCombo(req_iface_combo);
+}
+
+bool WifiChip::isValidModeId(ChipModeId mode_id) {
+ for (const auto& mode : modes_) {
+ if (mode.id == mode_id) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool WifiChip::isStaApConcurrencyAllowedInCurrentMode() {
+ // Check if we can support at least 1 STA & 1 AP concurrently.
+ std::map<IfaceType, size_t> req_iface_combo;
+ req_iface_combo[IfaceType::AP] = 1;
+ req_iface_combo[IfaceType::STA] = 1;
+ return canCurrentModeSupportIfaceCombo(req_iface_combo);
+}
+
+bool WifiChip::isDualStaConcurrencyAllowedInCurrentMode() {
+ // Check if we can support at least 2 STA concurrently.
+ std::map<IfaceType, size_t> req_iface_combo;
+ req_iface_combo[IfaceType::STA] = 2;
+ return canCurrentModeSupportIfaceCombo(req_iface_combo);
+}
+
+std::string WifiChip::getFirstActiveWlanIfaceName() {
+ if (sta_ifaces_.size() > 0) return sta_ifaces_[0]->getName();
+ if (ap_ifaces_.size() > 0) {
+ // If the first active wlan iface is bridged iface.
+ // Return first instance name.
+ for (auto const& it : br_ifaces_ap_instances_) {
+ if (it.first == ap_ifaces_[0]->getName()) {
+ return it.second[0];
+ }
+ }
+ return ap_ifaces_[0]->getName();
+ }
+ // This could happen if the chip call is made before any STA/AP
+ // iface is created. Default to wlan0 for such cases.
+ LOG(WARNING) << "No active wlan interfaces in use! Using default";
+ return getWlanIfaceNameWithType(IfaceType::STA, 0);
+}
+
+// Return the first wlan (wlan0, wlan1 etc.) starting from |start_idx|
+// not already in use.
+// Note: This doesn't check the actual presence of these interfaces.
+std::string WifiChip::allocateApOrStaIfaceName(IfaceType type, uint32_t start_idx) {
+ for (unsigned idx = start_idx; idx < kMaxWlanIfaces; idx++) {
+ const auto ifname = getWlanIfaceNameWithType(type, idx);
+ if (findUsingNameFromBridgedApInstances(ifname)) continue;
+ if (findUsingName(ap_ifaces_, ifname)) continue;
+ if (findUsingName(sta_ifaces_, ifname)) continue;
+ return ifname;
+ }
+ // This should never happen. We screwed up somewhere if it did.
+ CHECK(false) << "All wlan interfaces in use already!";
+ return {};
+}
+
+uint32_t WifiChip::startIdxOfApIface() {
+ if (isDualStaConcurrencyAllowedInCurrentMode()) {
+ // When the HAL support dual STAs, AP should start with idx 2.
+ return 2;
+ } else if (isStaApConcurrencyAllowedInCurrentMode()) {
+ // When the HAL support STA + AP but it doesn't support dual STAs.
+ // AP should start with idx 1.
+ return 1;
+ }
+ // No concurrency support.
+ return 0;
+}
+
+// AP iface names start with idx 1 for modes supporting
+// concurrent STA and not dual AP, else start with idx 0.
+std::string WifiChip::allocateApIfaceName() {
+ // Check if we have a dedicated iface for AP.
+ std::vector<std::string> ifnames = getPredefinedApIfaceNames(false);
+ if (!ifnames.empty()) {
+ return ifnames[0];
+ }
+ return allocateApOrStaIfaceName(IfaceType::AP, startIdxOfApIface());
+}
+
+std::vector<std::string> WifiChip::allocateBridgedApInstanceNames() {
+ // Check if we have a dedicated iface for AP.
+ std::vector<std::string> instances = getPredefinedApIfaceNames(true);
+ if (instances.size() == 2) {
+ return instances;
+ } else {
+ int num_ifaces_need_to_allocate = 2 - instances.size();
+ for (int i = 0; i < num_ifaces_need_to_allocate; i++) {
+ std::string instance_name =
+ allocateApOrStaIfaceName(IfaceType::AP, startIdxOfApIface() + i);
+ if (!instance_name.empty()) {
+ instances.push_back(instance_name);
+ }
+ }
+ }
+ return instances;
+}
+
+// STA iface names start with idx 0.
+// Primary STA iface will always be 0.
+std::string WifiChip::allocateStaIfaceName() {
+ return allocateApOrStaIfaceName(IfaceType::STA, 0);
+}
+
+bool WifiChip::writeRingbufferFilesInternal() {
+ if (!removeOldFilesInternal()) {
+ LOG(ERROR) << "Error occurred while deleting old tombstone files";
+ return false;
+ }
+ // write ringbuffers to file
+ {
+ std::unique_lock<std::mutex> lk(lock_t);
+ for (auto& item : ringbuffer_map_) {
+ 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) {
+ PLOG(ERROR) << "create file failed";
+ 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) {
+ PLOG(ERROR) << "Error writing to file";
+ }
+ }
+ cur_buffer.clear();
+ }
+ // unique_lock unlocked here
+ }
+ return true;
+}
+
+std::string WifiChip::getWlanIfaceNameWithType(IfaceType type, unsigned idx) {
+ std::string ifname;
+
+ // let the legacy hal override the interface name
+ legacy_hal::wifi_error err = legacy_hal_.lock()->getSupportedIfaceName((uint32_t)type, ifname);
+ if (err == legacy_hal::WIFI_SUCCESS) return ifname;
+
+ return getWlanIfaceName(idx);
+}
+
+void WifiChip::invalidateAndClearBridgedApAll() {
+ for (auto const& it : br_ifaces_ap_instances_) {
+ for (auto const& iface : it.second) {
+ iface_util_->removeIfaceFromBridge(it.first, iface);
+ legacy_hal_.lock()->deleteVirtualInterface(iface);
+ }
+ iface_util_->deleteBridge(it.first);
+ }
+ br_ifaces_ap_instances_.clear();
+}
+
+void WifiChip::invalidateAndClearBridgedAp(const std::string& br_name) {
+ if (br_name.empty()) return;
+ // delete managed interfaces
+ for (auto const& it : br_ifaces_ap_instances_) {
+ if (it.first == br_name) {
+ for (auto const& iface : it.second) {
+ iface_util_->removeIfaceFromBridge(br_name, iface);
+ legacy_hal_.lock()->deleteVirtualInterface(iface);
+ }
+ iface_util_->deleteBridge(br_name);
+ br_ifaces_ap_instances_.erase(br_name);
+ break;
+ }
+ }
+ return;
+}
+
+bool WifiChip::findUsingNameFromBridgedApInstances(const std::string& name) {
+ for (auto const& it : br_ifaces_ap_instances_) {
+ if (it.first == name) {
+ return true;
+ }
+ for (auto const& iface : it.second) {
+ if (iface == name) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+} // namespace implementation
+} // namespace V1_6
+} // namespace wifi
+} // namespace hardware
+} // namespace android