1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <android-base/logging.h>
18#include <utils/SystemClock.h>
19
20#include "hidl_struct_util.h"
21
22namespace android {
23namespace hardware {
24namespace wifi {
25namespace V1_2 {
26namespace implementation {
27namespace hidl_struct_util {
28
29WifiChannelWidthInMhz convertLegacyWifiChannelWidthToHidl(
30    legacy_hal::wifi_channel_width type);
31
32hidl_string safeConvertChar(const char* str, size_t max_len) {
33    const char* c = str;
34    size_t size = 0;
35    while (*c && (unsigned char)*c < 128 && size < max_len) {
36        ++size;
37        ++c;
38    }
39    return hidl_string(str, size);
40}
41
42IWifiChip::ChipCapabilityMask convertLegacyLoggerFeatureToHidlChipCapability(
43    uint32_t feature) {
44    using HidlChipCaps = IWifiChip::ChipCapabilityMask;
45    switch (feature) {
46        case legacy_hal::WIFI_LOGGER_MEMORY_DUMP_SUPPORTED:
47            return HidlChipCaps::DEBUG_MEMORY_FIRMWARE_DUMP;
48        case legacy_hal::WIFI_LOGGER_DRIVER_DUMP_SUPPORTED:
49            return HidlChipCaps::DEBUG_MEMORY_DRIVER_DUMP;
50        case legacy_hal::WIFI_LOGGER_CONNECT_EVENT_SUPPORTED:
51            return HidlChipCaps::DEBUG_RING_BUFFER_CONNECT_EVENT;
52        case legacy_hal::WIFI_LOGGER_POWER_EVENT_SUPPORTED:
53            return HidlChipCaps::DEBUG_RING_BUFFER_POWER_EVENT;
54        case legacy_hal::WIFI_LOGGER_WAKE_LOCK_SUPPORTED:
55            return HidlChipCaps::DEBUG_RING_BUFFER_WAKELOCK_EVENT;
56    };
57    CHECK(false) << "Unknown legacy feature: " << feature;
58    return {};
59}
60
61IWifiStaIface::StaIfaceCapabilityMask
62convertLegacyLoggerFeatureToHidlStaIfaceCapability(uint32_t feature) {
63    using HidlStaIfaceCaps = IWifiStaIface::StaIfaceCapabilityMask;
64    switch (feature) {
65        case legacy_hal::WIFI_LOGGER_PACKET_FATE_SUPPORTED:
66            return HidlStaIfaceCaps::DEBUG_PACKET_FATE;
67    };
68    CHECK(false) << "Unknown legacy feature: " << feature;
69    return {};
70}
71
72IWifiChip::ChipCapabilityMask convertLegacyFeatureToHidlChipCapability(
73    uint32_t feature) {
74    using HidlChipCaps = IWifiChip::ChipCapabilityMask;
75    switch (feature) {
76        case WIFI_FEATURE_SET_TX_POWER_LIMIT:
77            return HidlChipCaps::SET_TX_POWER_LIMIT;
78        case WIFI_FEATURE_USE_BODY_HEAD_SAR:
79            return HidlChipCaps::USE_BODY_HEAD_SAR;
80        case WIFI_FEATURE_D2D_RTT:
81            return HidlChipCaps::D2D_RTT;
82        case WIFI_FEATURE_D2AP_RTT:
83            return HidlChipCaps::D2AP_RTT;
84    };
85    CHECK(false) << "Unknown legacy feature: " << feature;
86    return {};
87}
88
89IWifiStaIface::StaIfaceCapabilityMask
90convertLegacyFeatureToHidlStaIfaceCapability(uint32_t feature) {
91    using HidlStaIfaceCaps = IWifiStaIface::StaIfaceCapabilityMask;
92    switch (feature) {
93        case WIFI_FEATURE_GSCAN:
94            return HidlStaIfaceCaps::BACKGROUND_SCAN;
95        case WIFI_FEATURE_LINK_LAYER_STATS:
96            return HidlStaIfaceCaps::LINK_LAYER_STATS;
97        case WIFI_FEATURE_RSSI_MONITOR:
98            return HidlStaIfaceCaps::RSSI_MONITOR;
99        case WIFI_FEATURE_CONTROL_ROAMING:
100            return HidlStaIfaceCaps::CONTROL_ROAMING;
101        case WIFI_FEATURE_IE_WHITELIST:
102            return HidlStaIfaceCaps::PROBE_IE_WHITELIST;
103        case WIFI_FEATURE_SCAN_RAND:
104            return HidlStaIfaceCaps::SCAN_RAND;
105        case WIFI_FEATURE_INFRA_5G:
106            return HidlStaIfaceCaps::STA_5G;
107        case WIFI_FEATURE_HOTSPOT:
108            return HidlStaIfaceCaps::HOTSPOT;
109        case WIFI_FEATURE_PNO:
110            return HidlStaIfaceCaps::PNO;
111        case WIFI_FEATURE_TDLS:
112            return HidlStaIfaceCaps::TDLS;
113        case WIFI_FEATURE_TDLS_OFFCHANNEL:
114            return HidlStaIfaceCaps::TDLS_OFFCHANNEL;
115        case WIFI_FEATURE_CONFIG_NDO:
116            return HidlStaIfaceCaps::ND_OFFLOAD;
117        case WIFI_FEATURE_MKEEP_ALIVE:
118            return HidlStaIfaceCaps::KEEP_ALIVE;
119    };
120    CHECK(false) << "Unknown legacy feature: " << feature;
121    return {};
122}
123
124bool convertLegacyFeaturesToHidlChipCapabilities(
125    uint32_t legacy_feature_set, uint32_t legacy_logger_feature_set,
126    uint32_t* hidl_caps) {
127    if (!hidl_caps) {
128        return false;
129    }
130    *hidl_caps = {};
131    using HidlChipCaps = IWifiChip::ChipCapabilityMask;
132    for (const auto feature : {legacy_hal::WIFI_LOGGER_MEMORY_DUMP_SUPPORTED,
133                               legacy_hal::WIFI_LOGGER_DRIVER_DUMP_SUPPORTED,
134                               legacy_hal::WIFI_LOGGER_CONNECT_EVENT_SUPPORTED,
135                               legacy_hal::WIFI_LOGGER_POWER_EVENT_SUPPORTED,
136                               legacy_hal::WIFI_LOGGER_WAKE_LOCK_SUPPORTED}) {
137        if (feature & legacy_logger_feature_set) {
138            *hidl_caps |=
139                convertLegacyLoggerFeatureToHidlChipCapability(feature);
140        }
141    }
142    for (const auto feature : {WIFI_FEATURE_SET_TX_POWER_LIMIT,
143                               WIFI_FEATURE_USE_BODY_HEAD_SAR,
144                               WIFI_FEATURE_D2D_RTT, WIFI_FEATURE_D2AP_RTT}) {
145        if (feature & legacy_feature_set) {
146            *hidl_caps |= convertLegacyFeatureToHidlChipCapability(feature);
147        }
148    }
149    // There are no flags for these 3 in the legacy feature set. Adding them to
150    // the set because all the current devices support it.
151    *hidl_caps |= HidlChipCaps::DEBUG_RING_BUFFER_VENDOR_DATA;
152    *hidl_caps |= HidlChipCaps::DEBUG_HOST_WAKE_REASON_STATS;
153    *hidl_caps |= HidlChipCaps::DEBUG_ERROR_ALERTS;
154    return true;
155}
156
157WifiDebugRingBufferFlags convertLegacyDebugRingBufferFlagsToHidl(
158    uint32_t flag) {
159    switch (flag) {
160        case WIFI_RING_BUFFER_FLAG_HAS_BINARY_ENTRIES:
161            return WifiDebugRingBufferFlags::HAS_BINARY_ENTRIES;
162        case WIFI_RING_BUFFER_FLAG_HAS_ASCII_ENTRIES:
163            return WifiDebugRingBufferFlags::HAS_ASCII_ENTRIES;
164    };
165    CHECK(false) << "Unknown legacy flag: " << flag;
166    return {};
167}
168
169bool convertLegacyDebugRingBufferStatusToHidl(
170    const legacy_hal::wifi_ring_buffer_status& legacy_status,
171    WifiDebugRingBufferStatus* hidl_status) {
172    if (!hidl_status) {
173        return false;
174    }
175    *hidl_status = {};
176    hidl_status->ringName =
177        safeConvertChar(reinterpret_cast<const char*>(legacy_status.name),
178                        sizeof(legacy_status.name));
179    hidl_status->flags = 0;
180    for (const auto flag : {WIFI_RING_BUFFER_FLAG_HAS_BINARY_ENTRIES,
181                            WIFI_RING_BUFFER_FLAG_HAS_ASCII_ENTRIES}) {
182        if (flag & legacy_status.flags) {
183            hidl_status->flags |= static_cast<
184                std::underlying_type<WifiDebugRingBufferFlags>::type>(
185                convertLegacyDebugRingBufferFlagsToHidl(flag));
186        }
187    }
188    hidl_status->ringId = legacy_status.ring_id;
189    hidl_status->sizeInBytes = legacy_status.ring_buffer_byte_size;
190    // Calculate free size of the ring the buffer. We don't need to send the
191    // exact read/write pointers that were there in the legacy HAL interface.
192    if (legacy_status.written_bytes >= legacy_status.read_bytes) {
193        hidl_status->freeSizeInBytes =
194            legacy_status.ring_buffer_byte_size -
195            (legacy_status.written_bytes - legacy_status.read_bytes);
196    } else {
197        hidl_status->freeSizeInBytes =
198            legacy_status.read_bytes - legacy_status.written_bytes;
199    }
200    hidl_status->verboseLevel = legacy_status.verbose_level;
201    return true;
202}
203
204bool convertLegacyVectorOfDebugRingBufferStatusToHidl(
205    const std::vector<legacy_hal::wifi_ring_buffer_status>& legacy_status_vec,
206    std::vector<WifiDebugRingBufferStatus>* hidl_status_vec) {
207    if (!hidl_status_vec) {
208        return false;
209    }
210    *hidl_status_vec = {};
211    for (const auto& legacy_status : legacy_status_vec) {
212        WifiDebugRingBufferStatus hidl_status;
213        if (!convertLegacyDebugRingBufferStatusToHidl(legacy_status,
214                                                      &hidl_status)) {
215            return false;
216        }
217        hidl_status_vec->push_back(hidl_status);
218    }
219    return true;
220}
221
222bool convertLegacyWakeReasonStatsToHidl(
223    const legacy_hal::WakeReasonStats& legacy_stats,
224    WifiDebugHostWakeReasonStats* hidl_stats) {
225    if (!hidl_stats) {
226        return false;
227    }
228    *hidl_stats = {};
229    hidl_stats->totalCmdEventWakeCnt =
230        legacy_stats.wake_reason_cnt.total_cmd_event_wake;
231    hidl_stats->cmdEventWakeCntPerType = legacy_stats.cmd_event_wake_cnt;
232    hidl_stats->totalDriverFwLocalWakeCnt =
233        legacy_stats.wake_reason_cnt.total_driver_fw_local_wake;
234    hidl_stats->driverFwLocalWakeCntPerType =
235        legacy_stats.driver_fw_local_wake_cnt;
236    hidl_stats->totalRxPacketWakeCnt =
237        legacy_stats.wake_reason_cnt.total_rx_data_wake;
238    hidl_stats->rxPktWakeDetails.rxUnicastCnt =
239        legacy_stats.wake_reason_cnt.rx_wake_details.rx_unicast_cnt;
240    hidl_stats->rxPktWakeDetails.rxMulticastCnt =
241        legacy_stats.wake_reason_cnt.rx_wake_details.rx_multicast_cnt;
242    hidl_stats->rxPktWakeDetails.rxBroadcastCnt =
243        legacy_stats.wake_reason_cnt.rx_wake_details.rx_broadcast_cnt;
244    hidl_stats->rxMulticastPkWakeDetails.ipv4RxMulticastAddrCnt =
245        legacy_stats.wake_reason_cnt.rx_multicast_wake_pkt_info
246            .ipv4_rx_multicast_addr_cnt;
247    hidl_stats->rxMulticastPkWakeDetails.ipv6RxMulticastAddrCnt =
248        legacy_stats.wake_reason_cnt.rx_multicast_wake_pkt_info
249            .ipv6_rx_multicast_addr_cnt;
250    hidl_stats->rxMulticastPkWakeDetails.otherRxMulticastAddrCnt =
251        legacy_stats.wake_reason_cnt.rx_multicast_wake_pkt_info
252            .other_rx_multicast_addr_cnt;
253    hidl_stats->rxIcmpPkWakeDetails.icmpPkt =
254        legacy_stats.wake_reason_cnt.rx_wake_pkt_classification_info.icmp_pkt;
255    hidl_stats->rxIcmpPkWakeDetails.icmp6Pkt =
256        legacy_stats.wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_pkt;
257    hidl_stats->rxIcmpPkWakeDetails.icmp6Ra =
258        legacy_stats.wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ra;
259    hidl_stats->rxIcmpPkWakeDetails.icmp6Na =
260        legacy_stats.wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_na;
261    hidl_stats->rxIcmpPkWakeDetails.icmp6Ns =
262        legacy_stats.wake_reason_cnt.rx_wake_pkt_classification_info.icmp6_ns;
263    return true;
264}
265
266legacy_hal::wifi_power_scenario convertHidlTxPowerScenarioToLegacy(
267    V1_1::IWifiChip::TxPowerScenario hidl_scenario) {
268    switch (hidl_scenario) {
269        // This is the only supported scenario for V1_1
270      case V1_1::IWifiChip::TxPowerScenario::VOICE_CALL:
271            return legacy_hal::WIFI_POWER_SCENARIO_VOICE_CALL;
272    };
273    CHECK(false);
274}
275
276legacy_hal::wifi_power_scenario convertHidlTxPowerScenarioToLegacy_1_2(
277    IWifiChip::TxPowerScenario hidl_scenario) {
278    switch (hidl_scenario) {
279        // This is the only supported scenario for V1_1
280        case IWifiChip::TxPowerScenario::VOICE_CALL:
281            return legacy_hal::WIFI_POWER_SCENARIO_VOICE_CALL;
282        // Those are the supported scenarios for V1_2
283        case IWifiChip::TxPowerScenario::ON_HEAD_CELL_OFF:
284            return legacy_hal::WIFI_POWER_SCENARIO_ON_HEAD_CELL_OFF;
285        case IWifiChip::TxPowerScenario::ON_HEAD_CELL_ON:
286            return legacy_hal::WIFI_POWER_SCENARIO_ON_HEAD_CELL_ON;
287        case IWifiChip::TxPowerScenario::ON_BODY_CELL_OFF:
288            return legacy_hal::WIFI_POWER_SCENARIO_ON_BODY_CELL_OFF;
289        case IWifiChip::TxPowerScenario::ON_BODY_CELL_ON:
290            return legacy_hal::WIFI_POWER_SCENARIO_ON_BODY_CELL_ON;
291    };
292    CHECK(false);
293}
294
295bool convertLegacyWifiMacInfoToHidl(
296    const legacy_hal::WifiMacInfo& legacy_mac_info,
297    IWifiChipEventCallback::RadioModeInfo* hidl_radio_mode_info) {
298    if (!hidl_radio_mode_info) {
299        return false;
300    }
301    *hidl_radio_mode_info = {};
302
303    hidl_radio_mode_info->radioId = legacy_mac_info.wlan_mac_id;
304    // Convert from bitmask of bands in the legacy HAL to enum value in
305    // the HIDL interface.
306    if (legacy_mac_info.mac_band & legacy_hal::WLAN_MAC_2_4_BAND &&
307        legacy_mac_info.mac_band & legacy_hal::WLAN_MAC_5_0_BAND) {
308        hidl_radio_mode_info->bandInfo = WifiBand::BAND_24GHZ_5GHZ;
309    } else if (legacy_mac_info.mac_band & legacy_hal::WLAN_MAC_2_4_BAND) {
310        hidl_radio_mode_info->bandInfo = WifiBand::BAND_24GHZ;
311    } else if (legacy_mac_info.mac_band & legacy_hal::WLAN_MAC_5_0_BAND) {
312        hidl_radio_mode_info->bandInfo = WifiBand::BAND_5GHZ;
313    } else {
314        hidl_radio_mode_info->bandInfo = WifiBand::BAND_UNSPECIFIED;
315    }
316    std::vector<IWifiChipEventCallback::IfaceInfo> iface_info_vec;
317    for (const auto& legacy_iface_info : legacy_mac_info.iface_infos) {
318        IWifiChipEventCallback::IfaceInfo iface_info;
319        iface_info.name = legacy_iface_info.name;
320        iface_info.channel = legacy_iface_info.channel;
321        iface_info_vec.push_back(iface_info);
322    }
323    hidl_radio_mode_info->ifaceInfos = iface_info_vec;
324    return true;
325}
326
327bool convertLegacyWifiMacInfosToHidl(
328    const std::vector<legacy_hal::WifiMacInfo>& legacy_mac_infos,
329    std::vector<IWifiChipEventCallback::RadioModeInfo>* hidl_radio_mode_infos) {
330    if (!hidl_radio_mode_infos) {
331        return false;
332    }
333    *hidl_radio_mode_infos = {};
334
335    for (const auto& legacy_mac_info : legacy_mac_infos) {
336        IWifiChipEventCallback::RadioModeInfo hidl_radio_mode_info;
337        if (!convertLegacyWifiMacInfoToHidl(legacy_mac_info,
338                                            &hidl_radio_mode_info)) {
339            return false;
340        }
341        hidl_radio_mode_infos->push_back(hidl_radio_mode_info);
342    }
343    return true;
344}
345
346bool convertLegacyFeaturesToHidlStaCapabilities(
347    uint32_t legacy_feature_set, uint32_t legacy_logger_feature_set,
348    uint32_t* hidl_caps) {
349    if (!hidl_caps) {
350        return false;
351    }
352    *hidl_caps = {};
353    using HidlStaIfaceCaps = IWifiStaIface::StaIfaceCapabilityMask;
354    for (const auto feature : {legacy_hal::WIFI_LOGGER_PACKET_FATE_SUPPORTED}) {
355        if (feature & legacy_logger_feature_set) {
356            *hidl_caps |=
357                convertLegacyLoggerFeatureToHidlStaIfaceCapability(feature);
358        }
359    }
360    for (const auto feature :
361         {WIFI_FEATURE_GSCAN, WIFI_FEATURE_LINK_LAYER_STATS,
362          WIFI_FEATURE_RSSI_MONITOR, WIFI_FEATURE_CONTROL_ROAMING,
363          WIFI_FEATURE_IE_WHITELIST, WIFI_FEATURE_SCAN_RAND,
364          WIFI_FEATURE_INFRA_5G, WIFI_FEATURE_HOTSPOT, WIFI_FEATURE_PNO,
365          WIFI_FEATURE_TDLS, WIFI_FEATURE_TDLS_OFFCHANNEL,
366          WIFI_FEATURE_CONFIG_NDO, WIFI_FEATURE_MKEEP_ALIVE}) {
367        if (feature & legacy_feature_set) {
368            *hidl_caps |= convertLegacyFeatureToHidlStaIfaceCapability(feature);
369        }
370    }
371    // There is no flag for this one in the legacy feature set. Adding it to the
372    // set because all the current devices support it.
373    *hidl_caps |= HidlStaIfaceCaps::APF;
374    return true;
375}
376
377bool convertLegacyApfCapabilitiesToHidl(
378    const legacy_hal::PacketFilterCapabilities& legacy_caps,
379    StaApfPacketFilterCapabilities* hidl_caps) {
380    if (!hidl_caps) {
381        return false;
382    }
383    *hidl_caps = {};
384    hidl_caps->version = legacy_caps.version;
385    hidl_caps->maxLength = legacy_caps.max_len;
386    return true;
387}
388
389uint8_t convertHidlGscanReportEventFlagToLegacy(
390    StaBackgroundScanBucketEventReportSchemeMask hidl_flag) {
391    using HidlFlag = StaBackgroundScanBucketEventReportSchemeMask;
392    switch (hidl_flag) {
393        case HidlFlag::EACH_SCAN:
394            return REPORT_EVENTS_EACH_SCAN;
395        case HidlFlag::FULL_RESULTS:
396            return REPORT_EVENTS_FULL_RESULTS;
397        case HidlFlag::NO_BATCH:
398            return REPORT_EVENTS_NO_BATCH;
399    };
400    CHECK(false);
401}
402
403StaScanDataFlagMask convertLegacyGscanDataFlagToHidl(uint8_t legacy_flag) {
404    switch (legacy_flag) {
405        case legacy_hal::WIFI_SCAN_FLAG_INTERRUPTED:
406            return StaScanDataFlagMask::INTERRUPTED;
407    };
408    CHECK(false) << "Unknown legacy flag: " << legacy_flag;
409    // To silence the compiler warning about reaching the end of non-void
410    // function.
411    return {};
412}
413
414bool convertLegacyGscanCapabilitiesToHidl(
415    const legacy_hal::wifi_gscan_capabilities& legacy_caps,
416    StaBackgroundScanCapabilities* hidl_caps) {
417    if (!hidl_caps) {
418        return false;
419    }
420    *hidl_caps = {};
421    hidl_caps->maxCacheSize = legacy_caps.max_scan_cache_size;
422    hidl_caps->maxBuckets = legacy_caps.max_scan_buckets;
423    hidl_caps->maxApCachePerScan = legacy_caps.max_ap_cache_per_scan;
424    hidl_caps->maxReportingThreshold = legacy_caps.max_scan_reporting_threshold;
425    return true;
426}
427
428legacy_hal::wifi_band convertHidlWifiBandToLegacy(WifiBand band) {
429    switch (band) {
430        case WifiBand::BAND_UNSPECIFIED:
431            return legacy_hal::WIFI_BAND_UNSPECIFIED;
432        case WifiBand::BAND_24GHZ:
433            return legacy_hal::WIFI_BAND_BG;
434        case WifiBand::BAND_5GHZ:
435            return legacy_hal::WIFI_BAND_A;
436        case WifiBand::BAND_5GHZ_DFS:
437            return legacy_hal::WIFI_BAND_A_DFS;
438        case WifiBand::BAND_5GHZ_WITH_DFS:
439            return legacy_hal::WIFI_BAND_A_WITH_DFS;
440        case WifiBand::BAND_24GHZ_5GHZ:
441            return legacy_hal::WIFI_BAND_ABG;
442        case WifiBand::BAND_24GHZ_5GHZ_WITH_DFS:
443            return legacy_hal::WIFI_BAND_ABG_WITH_DFS;
444    };
445    CHECK(false);
446}
447
448bool convertHidlGscanParamsToLegacy(
449    const StaBackgroundScanParameters& hidl_scan_params,
450    legacy_hal::wifi_scan_cmd_params* legacy_scan_params) {
451    if (!legacy_scan_params) {
452        return false;
453    }
454    *legacy_scan_params = {};
455    legacy_scan_params->base_period = hidl_scan_params.basePeriodInMs;
456    legacy_scan_params->max_ap_per_scan = hidl_scan_params.maxApPerScan;
457    legacy_scan_params->report_threshold_percent =
458        hidl_scan_params.reportThresholdPercent;
459    legacy_scan_params->report_threshold_num_scans =
460        hidl_scan_params.reportThresholdNumScans;
461    if (hidl_scan_params.buckets.size() > MAX_BUCKETS) {
462        return false;
463    }
464    legacy_scan_params->num_buckets = hidl_scan_params.buckets.size();
465    for (uint32_t bucket_idx = 0; bucket_idx < hidl_scan_params.buckets.size();
466         bucket_idx++) {
467        const StaBackgroundScanBucketParameters& hidl_bucket_spec =
468            hidl_scan_params.buckets[bucket_idx];
469        legacy_hal::wifi_scan_bucket_spec& legacy_bucket_spec =
470            legacy_scan_params->buckets[bucket_idx];
471        if (hidl_bucket_spec.bucketIdx >= MAX_BUCKETS) {
472            return false;
473        }
474        legacy_bucket_spec.bucket = hidl_bucket_spec.bucketIdx;
475        legacy_bucket_spec.band =
476            convertHidlWifiBandToLegacy(hidl_bucket_spec.band);
477        legacy_bucket_spec.period = hidl_bucket_spec.periodInMs;
478        legacy_bucket_spec.max_period =
479            hidl_bucket_spec.exponentialMaxPeriodInMs;
480        legacy_bucket_spec.base = hidl_bucket_spec.exponentialBase;
481        legacy_bucket_spec.step_count = hidl_bucket_spec.exponentialStepCount;
482        legacy_bucket_spec.report_events = 0;
483        using HidlFlag = StaBackgroundScanBucketEventReportSchemeMask;
484        for (const auto flag : {HidlFlag::EACH_SCAN, HidlFlag::FULL_RESULTS,
485                                HidlFlag::NO_BATCH}) {
486            if (hidl_bucket_spec.eventReportScheme &
487                static_cast<std::underlying_type<HidlFlag>::type>(flag)) {
488                legacy_bucket_spec.report_events |=
489                    convertHidlGscanReportEventFlagToLegacy(flag);
490            }
491        }
492        if (hidl_bucket_spec.frequencies.size() > MAX_CHANNELS) {
493            return false;
494        }
495        legacy_bucket_spec.num_channels = hidl_bucket_spec.frequencies.size();
496        for (uint32_t freq_idx = 0;
497             freq_idx < hidl_bucket_spec.frequencies.size(); freq_idx++) {
498            legacy_bucket_spec.channels[freq_idx].channel =
499                hidl_bucket_spec.frequencies[freq_idx];
500        }
501    }
502    return true;
503}
504
505bool convertLegacyIeToHidl(
506    const legacy_hal::wifi_information_element& legacy_ie,
507    WifiInformationElement* hidl_ie) {
508    if (!hidl_ie) {
509        return false;
510    }
511    *hidl_ie = {};
512    hidl_ie->id = legacy_ie.id;
513    hidl_ie->data =
514        std::vector<uint8_t>(legacy_ie.data, legacy_ie.data + legacy_ie.len);
515    return true;
516}
517
518bool convertLegacyIeBlobToHidl(const uint8_t* ie_blob, uint32_t ie_blob_len,
519                               std::vector<WifiInformationElement>* hidl_ies) {
520    if (!ie_blob || !hidl_ies) {
521        return false;
522    }
523    *hidl_ies = {};
524    const uint8_t* ies_begin = ie_blob;
525    const uint8_t* ies_end = ie_blob + ie_blob_len;
526    const uint8_t* next_ie = ies_begin;
527    using wifi_ie = legacy_hal::wifi_information_element;
528    constexpr size_t kIeHeaderLen = sizeof(wifi_ie);
529    // Each IE should atleast have the header (i.e |id| & |len| fields).
530    while (next_ie + kIeHeaderLen <= ies_end) {
531        const wifi_ie& legacy_ie = (*reinterpret_cast<const wifi_ie*>(next_ie));
532        uint32_t curr_ie_len = kIeHeaderLen + legacy_ie.len;
533        if (next_ie + curr_ie_len > ies_end) {
534            LOG(ERROR) << "Error parsing IE blob. Next IE: " << (void*)next_ie
535                       << ", Curr IE len: " << curr_ie_len
536                       << ", IEs End: " << (void*)ies_end;
537            break;
538        }
539        WifiInformationElement hidl_ie;
540        if (!convertLegacyIeToHidl(legacy_ie, &hidl_ie)) {
541            LOG(ERROR) << "Error converting IE. Id: " << legacy_ie.id
542                       << ", len: " << legacy_ie.len;
543            break;
544        }
545        hidl_ies->push_back(std::move(hidl_ie));
546        next_ie += curr_ie_len;
547    }
548    // Check if the blob has been fully consumed.
549    if (next_ie != ies_end) {
550        LOG(ERROR) << "Failed to fully parse IE blob. Next IE: "
551                   << (void*)next_ie << ", IEs End: " << (void*)ies_end;
552    }
553    return true;
554}
555
556bool convertLegacyGscanResultToHidl(
557    const legacy_hal::wifi_scan_result& legacy_scan_result, bool has_ie_data,
558    StaScanResult* hidl_scan_result) {
559    if (!hidl_scan_result) {
560        return false;
561    }
562    *hidl_scan_result = {};
563    hidl_scan_result->timeStampInUs = legacy_scan_result.ts;
564    hidl_scan_result->ssid = std::vector<uint8_t>(
565        legacy_scan_result.ssid,
566        legacy_scan_result.ssid + strnlen(legacy_scan_result.ssid,
567                                          sizeof(legacy_scan_result.ssid) - 1));
568    memcpy(hidl_scan_result->bssid.data(), legacy_scan_result.bssid,
569           hidl_scan_result->bssid.size());
570    hidl_scan_result->frequency = legacy_scan_result.channel;
571    hidl_scan_result->rssi = legacy_scan_result.rssi;
572    hidl_scan_result->beaconPeriodInMs = legacy_scan_result.beacon_period;
573    hidl_scan_result->capability = legacy_scan_result.capability;
574    if (has_ie_data) {
575        std::vector<WifiInformationElement> ies;
576        if (!convertLegacyIeBlobToHidl(
577                reinterpret_cast<const uint8_t*>(legacy_scan_result.ie_data),
578                legacy_scan_result.ie_length, &ies)) {
579            return false;
580        }
581        hidl_scan_result->informationElements = std::move(ies);
582    }
583    return true;
584}
585
586bool convertLegacyCachedGscanResultsToHidl(
587    const legacy_hal::wifi_cached_scan_results& legacy_cached_scan_result,
588    StaScanData* hidl_scan_data) {
589    if (!hidl_scan_data) {
590        return false;
591    }
592    *hidl_scan_data = {};
593    hidl_scan_data->flags = 0;
594    for (const auto flag : {legacy_hal::WIFI_SCAN_FLAG_INTERRUPTED}) {
595        if (legacy_cached_scan_result.flags & flag) {
596            hidl_scan_data->flags |=
597                static_cast<std::underlying_type<StaScanDataFlagMask>::type>(
598                    convertLegacyGscanDataFlagToHidl(flag));
599        }
600    }
601    hidl_scan_data->bucketsScanned = legacy_cached_scan_result.buckets_scanned;
602
603    CHECK(legacy_cached_scan_result.num_results >= 0 &&
604          legacy_cached_scan_result.num_results <= MAX_AP_CACHE_PER_SCAN);
605    std::vector<StaScanResult> hidl_scan_results;
606    for (int32_t result_idx = 0;
607         result_idx < legacy_cached_scan_result.num_results; result_idx++) {
608        StaScanResult hidl_scan_result;
609        if (!convertLegacyGscanResultToHidl(
610                legacy_cached_scan_result.results[result_idx], false,
611                &hidl_scan_result)) {
612            return false;
613        }
614        hidl_scan_results.push_back(hidl_scan_result);
615    }
616    hidl_scan_data->results = std::move(hidl_scan_results);
617    return true;
618}
619
620bool convertLegacyVectorOfCachedGscanResultsToHidl(
621    const std::vector<legacy_hal::wifi_cached_scan_results>&
622        legacy_cached_scan_results,
623    std::vector<StaScanData>* hidl_scan_datas) {
624    if (!hidl_scan_datas) {
625        return false;
626    }
627    *hidl_scan_datas = {};
628    for (const auto& legacy_cached_scan_result : legacy_cached_scan_results) {
629        StaScanData hidl_scan_data;
630        if (!convertLegacyCachedGscanResultsToHidl(legacy_cached_scan_result,
631                                                   &hidl_scan_data)) {
632            return false;
633        }
634        hidl_scan_datas->push_back(hidl_scan_data);
635    }
636    return true;
637}
638
639WifiDebugTxPacketFate convertLegacyDebugTxPacketFateToHidl(
640    legacy_hal::wifi_tx_packet_fate fate) {
641    switch (fate) {
642        case legacy_hal::TX_PKT_FATE_ACKED:
643            return WifiDebugTxPacketFate::ACKED;
644        case legacy_hal::TX_PKT_FATE_SENT:
645            return WifiDebugTxPacketFate::SENT;
646        case legacy_hal::TX_PKT_FATE_FW_QUEUED:
647            return WifiDebugTxPacketFate::FW_QUEUED;
648        case legacy_hal::TX_PKT_FATE_FW_DROP_INVALID:
649            return WifiDebugTxPacketFate::FW_DROP_INVALID;
650        case legacy_hal::TX_PKT_FATE_FW_DROP_NOBUFS:
651            return WifiDebugTxPacketFate::FW_DROP_NOBUFS;
652        case legacy_hal::TX_PKT_FATE_FW_DROP_OTHER:
653            return WifiDebugTxPacketFate::FW_DROP_OTHER;
654        case legacy_hal::TX_PKT_FATE_DRV_QUEUED:
655            return WifiDebugTxPacketFate::DRV_QUEUED;
656        case legacy_hal::TX_PKT_FATE_DRV_DROP_INVALID:
657            return WifiDebugTxPacketFate::DRV_DROP_INVALID;
658        case legacy_hal::TX_PKT_FATE_DRV_DROP_NOBUFS:
659            return WifiDebugTxPacketFate::DRV_DROP_NOBUFS;
660        case legacy_hal::TX_PKT_FATE_DRV_DROP_OTHER:
661            return WifiDebugTxPacketFate::DRV_DROP_OTHER;
662    };
663    CHECK(false) << "Unknown legacy fate type: " << fate;
664}
665
666WifiDebugRxPacketFate convertLegacyDebugRxPacketFateToHidl(
667    legacy_hal::wifi_rx_packet_fate fate) {
668    switch (fate) {
669        case legacy_hal::RX_PKT_FATE_SUCCESS:
670            return WifiDebugRxPacketFate::SUCCESS;
671        case legacy_hal::RX_PKT_FATE_FW_QUEUED:
672            return WifiDebugRxPacketFate::FW_QUEUED;
673        case legacy_hal::RX_PKT_FATE_FW_DROP_FILTER:
674            return WifiDebugRxPacketFate::FW_DROP_FILTER;
675        case legacy_hal::RX_PKT_FATE_FW_DROP_INVALID:
676            return WifiDebugRxPacketFate::FW_DROP_INVALID;
677        case legacy_hal::RX_PKT_FATE_FW_DROP_NOBUFS:
678            return WifiDebugRxPacketFate::FW_DROP_NOBUFS;
679        case legacy_hal::RX_PKT_FATE_FW_DROP_OTHER:
680            return WifiDebugRxPacketFate::FW_DROP_OTHER;
681        case legacy_hal::RX_PKT_FATE_DRV_QUEUED:
682            return WifiDebugRxPacketFate::DRV_QUEUED;
683        case legacy_hal::RX_PKT_FATE_DRV_DROP_FILTER:
684            return WifiDebugRxPacketFate::DRV_DROP_FILTER;
685        case legacy_hal::RX_PKT_FATE_DRV_DROP_INVALID:
686            return WifiDebugRxPacketFate::DRV_DROP_INVALID;
687        case legacy_hal::RX_PKT_FATE_DRV_DROP_NOBUFS:
688            return WifiDebugRxPacketFate::DRV_DROP_NOBUFS;
689        case legacy_hal::RX_PKT_FATE_DRV_DROP_OTHER:
690            return WifiDebugRxPacketFate::DRV_DROP_OTHER;
691    };
692    CHECK(false) << "Unknown legacy fate type: " << fate;
693}
694
695WifiDebugPacketFateFrameType convertLegacyDebugPacketFateFrameTypeToHidl(
696    legacy_hal::frame_type type) {
697    switch (type) {
698        case legacy_hal::FRAME_TYPE_UNKNOWN:
699            return WifiDebugPacketFateFrameType::UNKNOWN;
700        case legacy_hal::FRAME_TYPE_ETHERNET_II:
701            return WifiDebugPacketFateFrameType::ETHERNET_II;
702        case legacy_hal::FRAME_TYPE_80211_MGMT:
703            return WifiDebugPacketFateFrameType::MGMT_80211;
704    };
705    CHECK(false) << "Unknown legacy frame type: " << type;
706}
707
708bool convertLegacyDebugPacketFateFrameToHidl(
709    const legacy_hal::frame_info& legacy_frame,
710    WifiDebugPacketFateFrameInfo* hidl_frame) {
711    if (!hidl_frame) {
712        return false;
713    }
714    *hidl_frame = {};
715    hidl_frame->frameType =
716        convertLegacyDebugPacketFateFrameTypeToHidl(legacy_frame.payload_type);
717    hidl_frame->frameLen = legacy_frame.frame_len;
718    hidl_frame->driverTimestampUsec = legacy_frame.driver_timestamp_usec;
719    hidl_frame->firmwareTimestampUsec = legacy_frame.firmware_timestamp_usec;
720    const uint8_t* frame_begin = reinterpret_cast<const uint8_t*>(
721        legacy_frame.frame_content.ethernet_ii_bytes);
722    hidl_frame->frameContent =
723        std::vector<uint8_t>(frame_begin, frame_begin + legacy_frame.frame_len);
724    return true;
725}
726
727bool convertLegacyDebugTxPacketFateToHidl(
728    const legacy_hal::wifi_tx_report& legacy_fate,
729    WifiDebugTxPacketFateReport* hidl_fate) {
730    if (!hidl_fate) {
731        return false;
732    }
733    *hidl_fate = {};
734    hidl_fate->fate = convertLegacyDebugTxPacketFateToHidl(legacy_fate.fate);
735    return convertLegacyDebugPacketFateFrameToHidl(legacy_fate.frame_inf,
736                                                   &hidl_fate->frameInfo);
737}
738
739bool convertLegacyVectorOfDebugTxPacketFateToHidl(
740    const std::vector<legacy_hal::wifi_tx_report>& legacy_fates,
741    std::vector<WifiDebugTxPacketFateReport>* hidl_fates) {
742    if (!hidl_fates) {
743        return false;
744    }
745    *hidl_fates = {};
746    for (const auto& legacy_fate : legacy_fates) {
747        WifiDebugTxPacketFateReport hidl_fate;
748        if (!convertLegacyDebugTxPacketFateToHidl(legacy_fate, &hidl_fate)) {
749            return false;
750        }
751        hidl_fates->push_back(hidl_fate);
752    }
753    return true;
754}
755
756bool convertLegacyDebugRxPacketFateToHidl(
757    const legacy_hal::wifi_rx_report& legacy_fate,
758    WifiDebugRxPacketFateReport* hidl_fate) {
759    if (!hidl_fate) {
760        return false;
761    }
762    *hidl_fate = {};
763    hidl_fate->fate = convertLegacyDebugRxPacketFateToHidl(legacy_fate.fate);
764    return convertLegacyDebugPacketFateFrameToHidl(legacy_fate.frame_inf,
765                                                   &hidl_fate->frameInfo);
766}
767
768bool convertLegacyVectorOfDebugRxPacketFateToHidl(
769    const std::vector<legacy_hal::wifi_rx_report>& legacy_fates,
770    std::vector<WifiDebugRxPacketFateReport>* hidl_fates) {
771    if (!hidl_fates) {
772        return false;
773    }
774    *hidl_fates = {};
775    for (const auto& legacy_fate : legacy_fates) {
776        WifiDebugRxPacketFateReport hidl_fate;
777        if (!convertLegacyDebugRxPacketFateToHidl(legacy_fate, &hidl_fate)) {
778            return false;
779        }
780        hidl_fates->push_back(hidl_fate);
781    }
782    return true;
783}
784
785bool convertLegacyLinkLayerStatsToHidl(
786    const legacy_hal::LinkLayerStats& legacy_stats,
787    StaLinkLayerStats* hidl_stats) {
788    if (!hidl_stats) {
789        return false;
790    }
791    *hidl_stats = {};
792    // iface legacy_stats conversion.
793    hidl_stats->iface.beaconRx = legacy_stats.iface.beacon_rx;
794    hidl_stats->iface.avgRssiMgmt = legacy_stats.iface.rssi_mgmt;
795    hidl_stats->iface.wmeBePktStats.rxMpdu =
796        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].rx_mpdu;
797    hidl_stats->iface.wmeBePktStats.txMpdu =
798        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu;
799    hidl_stats->iface.wmeBePktStats.lostMpdu =
800        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost;
801    hidl_stats->iface.wmeBePktStats.retries =
802        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries;
803    hidl_stats->iface.wmeBkPktStats.rxMpdu =
804        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu;
805    hidl_stats->iface.wmeBkPktStats.txMpdu =
806        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu;
807    hidl_stats->iface.wmeBkPktStats.lostMpdu =
808        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost;
809    hidl_stats->iface.wmeBkPktStats.retries =
810        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries;
811    hidl_stats->iface.wmeViPktStats.rxMpdu =
812        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu;
813    hidl_stats->iface.wmeViPktStats.txMpdu =
814        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu;
815    hidl_stats->iface.wmeViPktStats.lostMpdu =
816        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost;
817    hidl_stats->iface.wmeViPktStats.retries =
818        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries;
819    hidl_stats->iface.wmeVoPktStats.rxMpdu =
820        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu;
821    hidl_stats->iface.wmeVoPktStats.txMpdu =
822        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu;
823    hidl_stats->iface.wmeVoPktStats.lostMpdu =
824        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost;
825    hidl_stats->iface.wmeVoPktStats.retries =
826        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries;
827    // radio legacy_stats conversion.
828    std::vector<StaLinkLayerRadioStats> hidl_radios_stats;
829    for (const auto& legacy_radio_stats : legacy_stats.radios) {
830        StaLinkLayerRadioStats hidl_radio_stats;
831        hidl_radio_stats.onTimeInMs = legacy_radio_stats.stats.on_time;
832        hidl_radio_stats.txTimeInMs = legacy_radio_stats.stats.tx_time;
833        hidl_radio_stats.rxTimeInMs = legacy_radio_stats.stats.rx_time;
834        hidl_radio_stats.onTimeInMsForScan =
835            legacy_radio_stats.stats.on_time_scan;
836        hidl_radio_stats.txTimeInMsPerLevel =
837            legacy_radio_stats.tx_time_per_levels;
838        hidl_radios_stats.push_back(hidl_radio_stats);
839    }
840    hidl_stats->radios = hidl_radios_stats;
841    // Timestamp in the HAL wrapper here since it's not provided in the legacy
842    // HAL API.
843    hidl_stats->timeStampInMs = uptimeMillis();
844    return true;
845}
846
847bool convertLegacyRoamingCapabilitiesToHidl(
848    const legacy_hal::wifi_roaming_capabilities& legacy_caps,
849    StaRoamingCapabilities* hidl_caps) {
850    if (!hidl_caps) {
851        return false;
852    }
853    *hidl_caps = {};
854    hidl_caps->maxBlacklistSize = legacy_caps.max_blacklist_size;
855    hidl_caps->maxWhitelistSize = legacy_caps.max_whitelist_size;
856    return true;
857}
858
859bool convertHidlRoamingConfigToLegacy(
860    const StaRoamingConfig& hidl_config,
861    legacy_hal::wifi_roaming_config* legacy_config) {
862    if (!legacy_config) {
863        return false;
864    }
865    *legacy_config = {};
866    if (hidl_config.bssidBlacklist.size() > MAX_BLACKLIST_BSSID ||
867        hidl_config.ssidWhitelist.size() > MAX_WHITELIST_SSID) {
868        return false;
869    }
870    legacy_config->num_blacklist_bssid = hidl_config.bssidBlacklist.size();
871    uint32_t i = 0;
872    for (const auto& bssid : hidl_config.bssidBlacklist) {
873        CHECK(bssid.size() == sizeof(legacy_hal::mac_addr));
874        memcpy(legacy_config->blacklist_bssid[i++], bssid.data(), bssid.size());
875    }
876    legacy_config->num_whitelist_ssid = hidl_config.ssidWhitelist.size();
877    i = 0;
878    for (const auto& ssid : hidl_config.ssidWhitelist) {
879        CHECK(ssid.size() <= sizeof(legacy_hal::ssid_t::ssid_str));
880        legacy_config->whitelist_ssid[i].length = ssid.size();
881        memcpy(legacy_config->whitelist_ssid[i].ssid_str, ssid.data(),
882               ssid.size());
883        i++;
884    }
885    return true;
886}
887
888legacy_hal::fw_roaming_state_t convertHidlRoamingStateToLegacy(
889    StaRoamingState state) {
890    switch (state) {
891        case StaRoamingState::ENABLED:
892            return legacy_hal::ROAMING_ENABLE;
893        case StaRoamingState::DISABLED:
894            return legacy_hal::ROAMING_DISABLE;
895    };
896    CHECK(false);
897}
898
899legacy_hal::NanMatchAlg convertHidlNanMatchAlgToLegacy(NanMatchAlg type) {
900    switch (type) {
901        case NanMatchAlg::MATCH_ONCE:
902            return legacy_hal::NAN_MATCH_ALG_MATCH_ONCE;
903        case NanMatchAlg::MATCH_CONTINUOUS:
904            return legacy_hal::NAN_MATCH_ALG_MATCH_CONTINUOUS;
905        case NanMatchAlg::MATCH_NEVER:
906            return legacy_hal::NAN_MATCH_ALG_MATCH_NEVER;
907    }
908    CHECK(false);
909}
910
911legacy_hal::NanPublishType convertHidlNanPublishTypeToLegacy(
912    NanPublishType type) {
913    switch (type) {
914        case NanPublishType::UNSOLICITED:
915            return legacy_hal::NAN_PUBLISH_TYPE_UNSOLICITED;
916        case NanPublishType::SOLICITED:
917            return legacy_hal::NAN_PUBLISH_TYPE_SOLICITED;
918        case NanPublishType::UNSOLICITED_SOLICITED:
919            return legacy_hal::NAN_PUBLISH_TYPE_UNSOLICITED_SOLICITED;
920    }
921    CHECK(false);
922}
923
924legacy_hal::NanTxType convertHidlNanTxTypeToLegacy(NanTxType type) {
925    switch (type) {
926        case NanTxType::BROADCAST:
927            return legacy_hal::NAN_TX_TYPE_BROADCAST;
928        case NanTxType::UNICAST:
929            return legacy_hal::NAN_TX_TYPE_UNICAST;
930    }
931    CHECK(false);
932}
933
934legacy_hal::NanSubscribeType convertHidlNanSubscribeTypeToLegacy(
935    NanSubscribeType type) {
936    switch (type) {
937        case NanSubscribeType::PASSIVE:
938            return legacy_hal::NAN_SUBSCRIBE_TYPE_PASSIVE;
939        case NanSubscribeType::ACTIVE:
940            return legacy_hal::NAN_SUBSCRIBE_TYPE_ACTIVE;
941    }
942    CHECK(false);
943}
944
945legacy_hal::NanSRFType convertHidlNanSrfTypeToLegacy(NanSrfType type) {
946    switch (type) {
947        case NanSrfType::BLOOM_FILTER:
948            return legacy_hal::NAN_SRF_ATTR_BLOOM_FILTER;
949        case NanSrfType::PARTIAL_MAC_ADDR:
950            return legacy_hal::NAN_SRF_ATTR_PARTIAL_MAC_ADDR;
951    }
952    CHECK(false);
953}
954
955legacy_hal::NanDataPathChannelCfg convertHidlNanDataPathChannelCfgToLegacy(
956    NanDataPathChannelCfg type) {
957    switch (type) {
958        case NanDataPathChannelCfg::CHANNEL_NOT_REQUESTED:
959            return legacy_hal::NAN_DP_CHANNEL_NOT_REQUESTED;
960        case NanDataPathChannelCfg::REQUEST_CHANNEL_SETUP:
961            return legacy_hal::NAN_DP_REQUEST_CHANNEL_SETUP;
962        case NanDataPathChannelCfg::FORCE_CHANNEL_SETUP:
963            return legacy_hal::NAN_DP_FORCE_CHANNEL_SETUP;
964    }
965    CHECK(false);
966}
967
968NanStatusType convertLegacyNanStatusTypeToHidl(legacy_hal::NanStatusType type) {
969    switch (type) {
970        case legacy_hal::NAN_STATUS_SUCCESS:
971            return NanStatusType::SUCCESS;
972        case legacy_hal::NAN_STATUS_INTERNAL_FAILURE:
973            return NanStatusType::INTERNAL_FAILURE;
974        case legacy_hal::NAN_STATUS_PROTOCOL_FAILURE:
975            return NanStatusType::PROTOCOL_FAILURE;
976        case legacy_hal::NAN_STATUS_INVALID_PUBLISH_SUBSCRIBE_ID:
977            return NanStatusType::INVALID_SESSION_ID;
978        case legacy_hal::NAN_STATUS_NO_RESOURCE_AVAILABLE:
979            return NanStatusType::NO_RESOURCES_AVAILABLE;
980        case legacy_hal::NAN_STATUS_INVALID_PARAM:
981            return NanStatusType::INVALID_ARGS;
982        case legacy_hal::NAN_STATUS_INVALID_REQUESTOR_INSTANCE_ID:
983            return NanStatusType::INVALID_PEER_ID;
984        case legacy_hal::NAN_STATUS_INVALID_NDP_ID:
985            return NanStatusType::INVALID_NDP_ID;
986        case legacy_hal::NAN_STATUS_NAN_NOT_ALLOWED:
987            return NanStatusType::NAN_NOT_ALLOWED;
988        case legacy_hal::NAN_STATUS_NO_OTA_ACK:
989            return NanStatusType::NO_OTA_ACK;
990        case legacy_hal::NAN_STATUS_ALREADY_ENABLED:
991            return NanStatusType::ALREADY_ENABLED;
992        case legacy_hal::NAN_STATUS_FOLLOWUP_QUEUE_FULL:
993            return NanStatusType::FOLLOWUP_TX_QUEUE_FULL;
994        case legacy_hal::NAN_STATUS_UNSUPPORTED_CONCURRENCY_NAN_DISABLED:
995            return NanStatusType::UNSUPPORTED_CONCURRENCY_NAN_DISABLED;
996    }
997    CHECK(false);
998}
999
1000void convertToWifiNanStatus(legacy_hal::NanStatusType type, const char* str,
1001                            size_t max_len, WifiNanStatus* wifiNanStatus) {
1002    wifiNanStatus->status = convertLegacyNanStatusTypeToHidl(type);
1003    wifiNanStatus->description = safeConvertChar(str, max_len);
1004}
1005
1006bool convertHidlNanEnableRequestToLegacy(
1007    const NanEnableRequest& hidl_request,
1008    legacy_hal::NanEnableRequest* legacy_request) {
1009    if (!legacy_request) {
1010        LOG(ERROR)
1011            << "convertHidlNanEnableRequestToLegacy: null legacy_request";
1012        return false;
1013    }
1014    *legacy_request = {};
1015
1016    legacy_request->config_2dot4g_support = 1;
1017    legacy_request->support_2dot4g_val =
1018        hidl_request.operateInBand[(size_t)NanBandIndex::NAN_BAND_24GHZ];
1019    legacy_request->config_support_5g = 1;
1020    legacy_request->support_5g_val =
1021        hidl_request.operateInBand[(size_t)NanBandIndex::NAN_BAND_5GHZ];
1022    legacy_request->config_hop_count_limit = 1;
1023    legacy_request->hop_count_limit_val = hidl_request.hopCountMax;
1024    legacy_request->master_pref = hidl_request.configParams.masterPref;
1025    legacy_request->discovery_indication_cfg = 0;
1026    legacy_request->discovery_indication_cfg |=
1027        hidl_request.configParams.disableDiscoveryAddressChangeIndication ? 0x1
1028                                                                          : 0x0;
1029    legacy_request->discovery_indication_cfg |=
1030        hidl_request.configParams.disableStartedClusterIndication ? 0x2 : 0x0;
1031    legacy_request->discovery_indication_cfg |=
1032        hidl_request.configParams.disableJoinedClusterIndication ? 0x4 : 0x0;
1033    legacy_request->config_sid_beacon = 1;
1034    if (hidl_request.configParams.numberOfPublishServiceIdsInBeacon > 127) {
1035        LOG(ERROR) << "convertHidlNanEnableRequestToLegacy: "
1036                      "numberOfPublishServiceIdsInBeacon > 127";
1037        return false;
1038    }
1039    legacy_request->sid_beacon_val =
1040        (hidl_request.configParams.includePublishServiceIdsInBeacon ? 0x1
1041                                                                    : 0x0) |
1042        (hidl_request.configParams.numberOfPublishServiceIdsInBeacon << 1);
1043    legacy_request->config_subscribe_sid_beacon = 1;
1044    if (hidl_request.configParams.numberOfSubscribeServiceIdsInBeacon > 127) {
1045        LOG(ERROR) << "convertHidlNanEnableRequestToLegacy: "
1046                      "numberOfSubscribeServiceIdsInBeacon > 127";
1047        return false;
1048    }
1049    legacy_request->subscribe_sid_beacon_val =
1050        (hidl_request.configParams.includeSubscribeServiceIdsInBeacon ? 0x1
1051                                                                      : 0x0) |
1052        (hidl_request.configParams.numberOfSubscribeServiceIdsInBeacon << 1);
1053    legacy_request->config_rssi_window_size = 1;
1054    legacy_request->rssi_window_size_val =
1055        hidl_request.configParams.rssiWindowSize;
1056    legacy_request->config_disc_mac_addr_randomization = 1;
1057    legacy_request->disc_mac_addr_rand_interval_sec =
1058        hidl_request.configParams.macAddressRandomizationIntervalSec;
1059    legacy_request->config_2dot4g_rssi_close = 1;
1060    if (hidl_request.configParams.bandSpecificConfig.size() != 2) {
1061        LOG(ERROR) << "convertHidlNanEnableRequestToLegacy: "
1062                      "bandSpecificConfig.size() != 2";
1063        return false;
1064    }
1065    legacy_request->rssi_close_2dot4g_val =
1066        hidl_request.configParams
1067            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1068            .rssiClose;
1069    legacy_request->config_2dot4g_rssi_middle = 1;
1070    legacy_request->rssi_middle_2dot4g_val =
1071        hidl_request.configParams
1072            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1073            .rssiMiddle;
1074    legacy_request->config_2dot4g_rssi_proximity = 1;
1075    legacy_request->rssi_proximity_2dot4g_val =
1076        hidl_request.configParams
1077            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1078            .rssiCloseProximity;
1079    legacy_request->config_scan_params = 1;
1080    legacy_request->scan_params_val
1081        .dwell_time[legacy_hal::NAN_CHANNEL_24G_BAND] =
1082        hidl_request.configParams
1083            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1084            .dwellTimeMs;
1085    legacy_request->scan_params_val
1086        .scan_period[legacy_hal::NAN_CHANNEL_24G_BAND] =
1087        hidl_request.configParams
1088            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1089            .scanPeriodSec;
1090    legacy_request->config_dw.config_2dot4g_dw_band =
1091        hidl_request.configParams
1092            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1093            .validDiscoveryWindowIntervalVal;
1094    legacy_request->config_dw.dw_2dot4g_interval_val =
1095        hidl_request.configParams
1096            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1097            .discoveryWindowIntervalVal;
1098    legacy_request->config_5g_rssi_close = 1;
1099    legacy_request->rssi_close_5g_val =
1100        hidl_request.configParams
1101            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1102            .rssiClose;
1103    legacy_request->config_5g_rssi_middle = 1;
1104    legacy_request->rssi_middle_5g_val =
1105        hidl_request.configParams
1106            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1107            .rssiMiddle;
1108    legacy_request->config_5g_rssi_close_proximity = 1;
1109    legacy_request->rssi_close_proximity_5g_val =
1110        hidl_request.configParams
1111            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1112            .rssiCloseProximity;
1113    legacy_request->scan_params_val
1114        .dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
1115        hidl_request.configParams
1116            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1117            .dwellTimeMs;
1118    legacy_request->scan_params_val
1119        .scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
1120        hidl_request.configParams
1121            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1122            .scanPeriodSec;
1123    legacy_request->scan_params_val
1124        .dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
1125        hidl_request.configParams
1126            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1127            .dwellTimeMs;
1128    legacy_request->scan_params_val
1129        .scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
1130        hidl_request.configParams
1131            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1132            .scanPeriodSec;
1133    legacy_request->config_dw.config_5g_dw_band =
1134        hidl_request.configParams
1135            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1136            .validDiscoveryWindowIntervalVal;
1137    legacy_request->config_dw.dw_5g_interval_val =
1138        hidl_request.configParams
1139            .bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1140            .discoveryWindowIntervalVal;
1141    if (hidl_request.debugConfigs.validClusterIdVals) {
1142        legacy_request->cluster_low =
1143            hidl_request.debugConfigs.clusterIdBottomRangeVal;
1144        legacy_request->cluster_high =
1145            hidl_request.debugConfigs.clusterIdTopRangeVal;
1146    } else {  // need 'else' since not configurable in legacy HAL
1147        legacy_request->cluster_low = 0x0000;
1148        legacy_request->cluster_high = 0xFFFF;
1149    }
1150    legacy_request->config_intf_addr =
1151        hidl_request.debugConfigs.validIntfAddrVal;
1152    memcpy(legacy_request->intf_addr_val,
1153           hidl_request.debugConfigs.intfAddrVal.data(), 6);
1154    legacy_request->config_oui = hidl_request.debugConfigs.validOuiVal;
1155    legacy_request->oui_val = hidl_request.debugConfigs.ouiVal;
1156    legacy_request->config_random_factor_force =
1157        hidl_request.debugConfigs.validRandomFactorForceVal;
1158    legacy_request->random_factor_force_val =
1159        hidl_request.debugConfigs.randomFactorForceVal;
1160    legacy_request->config_hop_count_force =
1161        hidl_request.debugConfigs.validHopCountForceVal;
1162    legacy_request->hop_count_force_val =
1163        hidl_request.debugConfigs.hopCountForceVal;
1164    legacy_request->config_24g_channel =
1165        hidl_request.debugConfigs.validDiscoveryChannelVal;
1166    legacy_request->channel_24g_val =
1167        hidl_request.debugConfigs
1168            .discoveryChannelMhzVal[(size_t)NanBandIndex::NAN_BAND_24GHZ];
1169    legacy_request->config_5g_channel =
1170        hidl_request.debugConfigs.validDiscoveryChannelVal;
1171    legacy_request->channel_5g_val =
1172        hidl_request.debugConfigs
1173            .discoveryChannelMhzVal[(size_t)NanBandIndex::NAN_BAND_5GHZ];
1174    legacy_request->config_2dot4g_beacons =
1175        hidl_request.debugConfigs.validUseBeaconsInBandVal;
1176    legacy_request->beacon_2dot4g_val =
1177        hidl_request.debugConfigs
1178            .useBeaconsInBandVal[(size_t)NanBandIndex::NAN_BAND_24GHZ];
1179    legacy_request->config_5g_beacons =
1180        hidl_request.debugConfigs.validUseBeaconsInBandVal;
1181    legacy_request->beacon_5g_val =
1182        hidl_request.debugConfigs
1183            .useBeaconsInBandVal[(size_t)NanBandIndex::NAN_BAND_5GHZ];
1184    legacy_request->config_2dot4g_sdf =
1185        hidl_request.debugConfigs.validUseSdfInBandVal;
1186    legacy_request->sdf_2dot4g_val =
1187        hidl_request.debugConfigs
1188            .useSdfInBandVal[(size_t)NanBandIndex::NAN_BAND_24GHZ];
1189    legacy_request->config_5g_sdf =
1190        hidl_request.debugConfigs.validUseSdfInBandVal;
1191    legacy_request->sdf_5g_val =
1192        hidl_request.debugConfigs
1193            .useSdfInBandVal[(size_t)NanBandIndex::NAN_BAND_5GHZ];
1194
1195    return true;
1196}
1197
1198bool convertHidlNanEnableRequest_1_2ToLegacy(
1199    const NanEnableRequest& hidl_request1,
1200    const NanConfigRequestSupplemental& hidl_request2,
1201    legacy_hal::NanEnableRequest* legacy_request) {
1202    if (!legacy_request) {
1203        LOG(ERROR)
1204            << "convertHidlNanEnableRequest_1_2ToLegacy: null legacy_request";
1205        return false;
1206    }
1207
1208    *legacy_request = {};
1209    if (!convertHidlNanEnableRequestToLegacy(hidl_request1, legacy_request)) {
1210        return false;
1211    }
1212
1213    legacy_request->config_discovery_beacon_int = 1;
1214    legacy_request->discovery_beacon_interval =
1215        hidl_request2.discoveryBeaconIntervalMs;
1216    legacy_request->config_nss = 1;
1217    legacy_request->nss = hidl_request2.numberOfSpatialStreamsInDiscovery;
1218    legacy_request->config_dw_early_termination = 1;
1219    legacy_request->enable_dw_termination =
1220        hidl_request2.enableDiscoveryWindowEarlyTermination;
1221    legacy_request->config_enable_ranging = 1;
1222    legacy_request->enable_ranging = hidl_request2.enableRanging;
1223
1224    return true;
1225}
1226
1227bool convertHidlNanPublishRequestToLegacy(
1228    const NanPublishRequest& hidl_request,
1229    legacy_hal::NanPublishRequest* legacy_request) {
1230    if (!legacy_request) {
1231        LOG(ERROR)
1232            << "convertHidlNanPublishRequestToLegacy: null legacy_request";
1233        return false;
1234    }
1235    *legacy_request = {};
1236
1237    legacy_request->publish_id = hidl_request.baseConfigs.sessionId;
1238    legacy_request->ttl = hidl_request.baseConfigs.ttlSec;
1239    legacy_request->period = hidl_request.baseConfigs.discoveryWindowPeriod;
1240    legacy_request->publish_count = hidl_request.baseConfigs.discoveryCount;
1241    legacy_request->service_name_len =
1242        hidl_request.baseConfigs.serviceName.size();
1243    if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
1244        LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: service_name_len "
1245                      "too large";
1246        return false;
1247    }
1248    memcpy(legacy_request->service_name,
1249           hidl_request.baseConfigs.serviceName.data(),
1250           legacy_request->service_name_len);
1251    legacy_request->publish_match_indicator = convertHidlNanMatchAlgToLegacy(
1252        hidl_request.baseConfigs.discoveryMatchIndicator);
1253    legacy_request->service_specific_info_len =
1254        hidl_request.baseConfigs.serviceSpecificInfo.size();
1255    if (legacy_request->service_specific_info_len >
1256        NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
1257        LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1258                      "service_specific_info_len too large";
1259        return false;
1260    }
1261    memcpy(legacy_request->service_specific_info,
1262           hidl_request.baseConfigs.serviceSpecificInfo.data(),
1263           legacy_request->service_specific_info_len);
1264    legacy_request->sdea_service_specific_info_len =
1265        hidl_request.baseConfigs.extendedServiceSpecificInfo.size();
1266    if (legacy_request->sdea_service_specific_info_len >
1267        NAN_MAX_SDEA_SERVICE_SPECIFIC_INFO_LEN) {
1268        LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1269                      "sdea_service_specific_info_len too large";
1270        return false;
1271    }
1272    memcpy(legacy_request->sdea_service_specific_info,
1273           hidl_request.baseConfigs.extendedServiceSpecificInfo.data(),
1274           legacy_request->sdea_service_specific_info_len);
1275    legacy_request->rx_match_filter_len =
1276        hidl_request.baseConfigs.rxMatchFilter.size();
1277    if (legacy_request->rx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
1278        LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1279                      "rx_match_filter_len too large";
1280        return false;
1281    }
1282    memcpy(legacy_request->rx_match_filter,
1283           hidl_request.baseConfigs.rxMatchFilter.data(),
1284           legacy_request->rx_match_filter_len);
1285    legacy_request->tx_match_filter_len =
1286        hidl_request.baseConfigs.txMatchFilter.size();
1287    if (legacy_request->tx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
1288        LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1289                      "tx_match_filter_len too large";
1290        return false;
1291    }
1292    memcpy(legacy_request->tx_match_filter,
1293           hidl_request.baseConfigs.txMatchFilter.data(),
1294           legacy_request->tx_match_filter_len);
1295    legacy_request->rssi_threshold_flag =
1296        hidl_request.baseConfigs.useRssiThreshold;
1297    legacy_request->recv_indication_cfg = 0;
1298    legacy_request->recv_indication_cfg |=
1299        hidl_request.baseConfigs.disableDiscoveryTerminationIndication ? 0x1
1300                                                                       : 0x0;
1301    legacy_request->recv_indication_cfg |=
1302        hidl_request.baseConfigs.disableMatchExpirationIndication ? 0x2 : 0x0;
1303    legacy_request->recv_indication_cfg |=
1304        hidl_request.baseConfigs.disableFollowupReceivedIndication ? 0x4 : 0x0;
1305    legacy_request->recv_indication_cfg |= 0x8;
1306    legacy_request->cipher_type =
1307        (unsigned int)hidl_request.baseConfigs.securityConfig.cipherType;
1308    if (hidl_request.baseConfigs.securityConfig.securityType ==
1309        NanDataPathSecurityType::PMK) {
1310        legacy_request->key_info.key_type =
1311            legacy_hal::NAN_SECURITY_KEY_INPUT_PMK;
1312        legacy_request->key_info.body.pmk_info.pmk_len =
1313            hidl_request.baseConfigs.securityConfig.pmk.size();
1314        if (legacy_request->key_info.body.pmk_info.pmk_len !=
1315            NAN_PMK_INFO_LEN) {
1316            LOG(ERROR)
1317                << "convertHidlNanPublishRequestToLegacy: invalid pmk_len";
1318            return false;
1319        }
1320        memcpy(legacy_request->key_info.body.pmk_info.pmk,
1321               hidl_request.baseConfigs.securityConfig.pmk.data(),
1322               legacy_request->key_info.body.pmk_info.pmk_len);
1323    }
1324    if (hidl_request.baseConfigs.securityConfig.securityType ==
1325        NanDataPathSecurityType::PASSPHRASE) {
1326        legacy_request->key_info.key_type =
1327            legacy_hal::NAN_SECURITY_KEY_INPUT_PASSPHRASE;
1328        legacy_request->key_info.body.passphrase_info.passphrase_len =
1329            hidl_request.baseConfigs.securityConfig.passphrase.size();
1330        if (legacy_request->key_info.body.passphrase_info.passphrase_len <
1331            NAN_SECURITY_MIN_PASSPHRASE_LEN) {
1332            LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1333                          "passphrase_len too small";
1334            return false;
1335        }
1336        if (legacy_request->key_info.body.passphrase_info.passphrase_len >
1337            NAN_SECURITY_MAX_PASSPHRASE_LEN) {
1338            LOG(ERROR) << "convertHidlNanPublishRequestToLegacy: "
1339                          "passphrase_len too large";
1340            return false;
1341        }
1342        memcpy(legacy_request->key_info.body.passphrase_info.passphrase,
1343               hidl_request.baseConfigs.securityConfig.passphrase.data(),
1344               legacy_request->key_info.body.passphrase_info.passphrase_len);
1345    }
1346    legacy_request->sdea_params.security_cfg =
1347        (hidl_request.baseConfigs.securityConfig.securityType !=
1348         NanDataPathSecurityType::OPEN)
1349            ? legacy_hal::NAN_DP_CONFIG_SECURITY
1350            : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
1351    legacy_request->sdea_params.ranging_state =
1352        hidl_request.baseConfigs.rangingRequired
1353            ? legacy_hal::NAN_RANGING_ENABLE
1354            : legacy_hal::NAN_RANGING_DISABLE;
1355    legacy_request->ranging_cfg.ranging_interval_msec =
1356        hidl_request.baseConfigs.rangingIntervalMsec;
1357    legacy_request->ranging_cfg.config_ranging_indications =
1358        hidl_request.baseConfigs.configRangingIndications;
1359    legacy_request->ranging_cfg.distance_ingress_mm =
1360        hidl_request.baseConfigs.distanceIngressCm * 10;
1361    legacy_request->ranging_cfg.distance_egress_mm =
1362        hidl_request.baseConfigs.distanceEgressCm * 10;
1363    legacy_request->ranging_auto_response =
1364        hidl_request.baseConfigs.rangingRequired
1365            ? legacy_hal::NAN_RANGING_AUTO_RESPONSE_ENABLE
1366            : legacy_hal::NAN_RANGING_AUTO_RESPONSE_DISABLE;
1367    legacy_request->sdea_params.range_report =
1368        legacy_hal::NAN_DISABLE_RANGE_REPORT;
1369    legacy_request->publish_type =
1370        convertHidlNanPublishTypeToLegacy(hidl_request.publishType);
1371    legacy_request->tx_type = convertHidlNanTxTypeToLegacy(hidl_request.txType);
1372    legacy_request->service_responder_policy =
1373        hidl_request.autoAcceptDataPathRequests
1374            ? legacy_hal::NAN_SERVICE_ACCEPT_POLICY_ALL
1375            : legacy_hal::NAN_SERVICE_ACCEPT_POLICY_NONE;
1376
1377    return true;
1378}
1379
1380bool convertHidlNanSubscribeRequestToLegacy(
1381    const NanSubscribeRequest& hidl_request,
1382    legacy_hal::NanSubscribeRequest* legacy_request) {
1383    if (!legacy_request) {
1384        LOG(ERROR)
1385            << "convertHidlNanSubscribeRequestToLegacy: legacy_request is null";
1386        return false;
1387    }
1388    *legacy_request = {};
1389
1390    legacy_request->subscribe_id = hidl_request.baseConfigs.sessionId;
1391    legacy_request->ttl = hidl_request.baseConfigs.ttlSec;
1392    legacy_request->period = hidl_request.baseConfigs.discoveryWindowPeriod;
1393    legacy_request->subscribe_count = hidl_request.baseConfigs.discoveryCount;
1394    legacy_request->service_name_len =
1395        hidl_request.baseConfigs.serviceName.size();
1396    if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
1397        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1398                      "service_name_len too large";
1399        return false;
1400    }
1401    memcpy(legacy_request->service_name,
1402           hidl_request.baseConfigs.serviceName.data(),
1403           legacy_request->service_name_len);
1404    legacy_request->subscribe_match_indicator = convertHidlNanMatchAlgToLegacy(
1405        hidl_request.baseConfigs.discoveryMatchIndicator);
1406    legacy_request->service_specific_info_len =
1407        hidl_request.baseConfigs.serviceSpecificInfo.size();
1408    if (legacy_request->service_specific_info_len >
1409        NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
1410        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1411                      "service_specific_info_len too large";
1412        return false;
1413    }
1414    memcpy(legacy_request->service_specific_info,
1415           hidl_request.baseConfigs.serviceSpecificInfo.data(),
1416           legacy_request->service_specific_info_len);
1417    legacy_request->sdea_service_specific_info_len =
1418        hidl_request.baseConfigs.extendedServiceSpecificInfo.size();
1419    if (legacy_request->sdea_service_specific_info_len >
1420        NAN_MAX_SDEA_SERVICE_SPECIFIC_INFO_LEN) {
1421        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1422                      "sdea_service_specific_info_len too large";
1423        return false;
1424    }
1425    memcpy(legacy_request->sdea_service_specific_info,
1426           hidl_request.baseConfigs.extendedServiceSpecificInfo.data(),
1427           legacy_request->sdea_service_specific_info_len);
1428    legacy_request->rx_match_filter_len =
1429        hidl_request.baseConfigs.rxMatchFilter.size();
1430    if (legacy_request->rx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
1431        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1432                      "rx_match_filter_len too large";
1433        return false;
1434    }
1435    memcpy(legacy_request->rx_match_filter,
1436           hidl_request.baseConfigs.rxMatchFilter.data(),
1437           legacy_request->rx_match_filter_len);
1438    legacy_request->tx_match_filter_len =
1439        hidl_request.baseConfigs.txMatchFilter.size();
1440    if (legacy_request->tx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
1441        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1442                      "tx_match_filter_len too large";
1443        return false;
1444    }
1445    memcpy(legacy_request->tx_match_filter,
1446           hidl_request.baseConfigs.txMatchFilter.data(),
1447           legacy_request->tx_match_filter_len);
1448    legacy_request->rssi_threshold_flag =
1449        hidl_request.baseConfigs.useRssiThreshold;
1450    legacy_request->recv_indication_cfg = 0;
1451    legacy_request->recv_indication_cfg |=
1452        hidl_request.baseConfigs.disableDiscoveryTerminationIndication ? 0x1
1453                                                                       : 0x0;
1454    legacy_request->recv_indication_cfg |=
1455        hidl_request.baseConfigs.disableMatchExpirationIndication ? 0x2 : 0x0;
1456    legacy_request->recv_indication_cfg |=
1457        hidl_request.baseConfigs.disableFollowupReceivedIndication ? 0x4 : 0x0;
1458    legacy_request->cipher_type =
1459        (unsigned int)hidl_request.baseConfigs.securityConfig.cipherType;
1460    if (hidl_request.baseConfigs.securityConfig.securityType ==
1461        NanDataPathSecurityType::PMK) {
1462        legacy_request->key_info.key_type =
1463            legacy_hal::NAN_SECURITY_KEY_INPUT_PMK;
1464        legacy_request->key_info.body.pmk_info.pmk_len =
1465            hidl_request.baseConfigs.securityConfig.pmk.size();
1466        if (legacy_request->key_info.body.pmk_info.pmk_len !=
1467            NAN_PMK_INFO_LEN) {
1468            LOG(ERROR)
1469                << "convertHidlNanSubscribeRequestToLegacy: invalid pmk_len";
1470            return false;
1471        }
1472        memcpy(legacy_request->key_info.body.pmk_info.pmk,
1473               hidl_request.baseConfigs.securityConfig.pmk.data(),
1474               legacy_request->key_info.body.pmk_info.pmk_len);
1475    }
1476    if (hidl_request.baseConfigs.securityConfig.securityType ==
1477        NanDataPathSecurityType::PASSPHRASE) {
1478        legacy_request->key_info.key_type =
1479            legacy_hal::NAN_SECURITY_KEY_INPUT_PASSPHRASE;
1480        legacy_request->key_info.body.passphrase_info.passphrase_len =
1481            hidl_request.baseConfigs.securityConfig.passphrase.size();
1482        if (legacy_request->key_info.body.passphrase_info.passphrase_len <
1483            NAN_SECURITY_MIN_PASSPHRASE_LEN) {
1484            LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1485                          "passphrase_len too small";
1486            return false;
1487        }
1488        if (legacy_request->key_info.body.passphrase_info.passphrase_len >
1489            NAN_SECURITY_MAX_PASSPHRASE_LEN) {
1490            LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1491                          "passphrase_len too large";
1492            return false;
1493        }
1494        memcpy(legacy_request->key_info.body.passphrase_info.passphrase,
1495               hidl_request.baseConfigs.securityConfig.passphrase.data(),
1496               legacy_request->key_info.body.passphrase_info.passphrase_len);
1497    }
1498    legacy_request->sdea_params.security_cfg =
1499        (hidl_request.baseConfigs.securityConfig.securityType !=
1500         NanDataPathSecurityType::OPEN)
1501            ? legacy_hal::NAN_DP_CONFIG_SECURITY
1502            : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
1503    legacy_request->sdea_params.ranging_state =
1504        hidl_request.baseConfigs.rangingRequired
1505            ? legacy_hal::NAN_RANGING_ENABLE
1506            : legacy_hal::NAN_RANGING_DISABLE;
1507    legacy_request->ranging_cfg.ranging_interval_msec =
1508        hidl_request.baseConfigs.rangingIntervalMsec;
1509    legacy_request->ranging_cfg.config_ranging_indications =
1510        hidl_request.baseConfigs.configRangingIndications;
1511    legacy_request->ranging_cfg.distance_ingress_mm =
1512        hidl_request.baseConfigs.distanceIngressCm * 10;
1513    legacy_request->ranging_cfg.distance_egress_mm =
1514        hidl_request.baseConfigs.distanceEgressCm * 10;
1515    legacy_request->ranging_auto_response =
1516        hidl_request.baseConfigs.rangingRequired
1517            ? legacy_hal::NAN_RANGING_AUTO_RESPONSE_ENABLE
1518            : legacy_hal::NAN_RANGING_AUTO_RESPONSE_DISABLE;
1519    legacy_request->sdea_params.range_report =
1520        legacy_hal::NAN_DISABLE_RANGE_REPORT;
1521    legacy_request->subscribe_type =
1522        convertHidlNanSubscribeTypeToLegacy(hidl_request.subscribeType);
1523    legacy_request->serviceResponseFilter =
1524        convertHidlNanSrfTypeToLegacy(hidl_request.srfType);
1525    legacy_request->serviceResponseInclude =
1526        hidl_request.srfRespondIfInAddressSet
1527            ? legacy_hal::NAN_SRF_INCLUDE_RESPOND
1528            : legacy_hal::NAN_SRF_INCLUDE_DO_NOT_RESPOND;
1529    legacy_request->useServiceResponseFilter =
1530        hidl_request.shouldUseSrf ? legacy_hal::NAN_USE_SRF
1531                                  : legacy_hal::NAN_DO_NOT_USE_SRF;
1532    legacy_request->ssiRequiredForMatchIndication =
1533        hidl_request.isSsiRequiredForMatch
1534            ? legacy_hal::NAN_SSI_REQUIRED_IN_MATCH_IND
1535            : legacy_hal::NAN_SSI_NOT_REQUIRED_IN_MATCH_IND;
1536    legacy_request->num_intf_addr_present = hidl_request.intfAddr.size();
1537    if (legacy_request->num_intf_addr_present > NAN_MAX_SUBSCRIBE_MAX_ADDRESS) {
1538        LOG(ERROR) << "convertHidlNanSubscribeRequestToLegacy: "
1539                      "num_intf_addr_present - too many";
1540        return false;
1541    }
1542    for (int i = 0; i < legacy_request->num_intf_addr_present; i++) {
1543        memcpy(legacy_request->intf_addr[i], hidl_request.intfAddr[i].data(),
1544               6);
1545    }
1546
1547    return true;
1548}
1549
1550bool convertHidlNanTransmitFollowupRequestToLegacy(
1551    const NanTransmitFollowupRequest& hidl_request,
1552    legacy_hal::NanTransmitFollowupRequest* legacy_request) {
1553    if (!legacy_request) {
1554        LOG(ERROR) << "convertHidlNanTransmitFollowupRequestToLegacy: "
1555                      "legacy_request is null";
1556        return false;
1557    }
1558    *legacy_request = {};
1559
1560    legacy_request->publish_subscribe_id = hidl_request.discoverySessionId;
1561    legacy_request->requestor_instance_id = hidl_request.peerId;
1562    memcpy(legacy_request->addr, hidl_request.addr.data(), 6);
1563    legacy_request->priority = hidl_request.isHighPriority
1564                                   ? legacy_hal::NAN_TX_PRIORITY_HIGH
1565                                   : legacy_hal::NAN_TX_PRIORITY_NORMAL;
1566    legacy_request->dw_or_faw = hidl_request.shouldUseDiscoveryWindow
1567                                    ? legacy_hal::NAN_TRANSMIT_IN_DW
1568                                    : legacy_hal::NAN_TRANSMIT_IN_FAW;
1569    legacy_request->service_specific_info_len =
1570        hidl_request.serviceSpecificInfo.size();
1571    if (legacy_request->service_specific_info_len >
1572        NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
1573        LOG(ERROR) << "convertHidlNanTransmitFollowupRequestToLegacy: "
1574                      "service_specific_info_len too large";
1575        return false;
1576    }
1577    memcpy(legacy_request->service_specific_info,
1578           hidl_request.serviceSpecificInfo.data(),
1579           legacy_request->service_specific_info_len);
1580    legacy_request->sdea_service_specific_info_len =
1581        hidl_request.extendedServiceSpecificInfo.size();
1582    if (legacy_request->sdea_service_specific_info_len >
1583        NAN_MAX_SDEA_SERVICE_SPECIFIC_INFO_LEN) {
1584        LOG(ERROR) << "convertHidlNanTransmitFollowupRequestToLegacy: "
1585                      "sdea_service_specific_info_len too large";
1586        return false;
1587    }
1588    memcpy(legacy_request->sdea_service_specific_info,
1589           hidl_request.extendedServiceSpecificInfo.data(),
1590           legacy_request->sdea_service_specific_info_len);
1591    legacy_request->recv_indication_cfg =
1592        hidl_request.disableFollowupResultIndication ? 0x1 : 0x0;
1593
1594    return true;
1595}
1596
1597bool convertHidlNanConfigRequestToLegacy(
1598    const NanConfigRequest& hidl_request,
1599    legacy_hal::NanConfigRequest* legacy_request) {
1600    if (!legacy_request) {
1601        LOG(ERROR)
1602            << "convertHidlNanConfigRequestToLegacy: legacy_request is null";
1603        return false;
1604    }
1605    *legacy_request = {};
1606
1607    // TODO: b/34059183 tracks missing configurations in legacy HAL or uknown
1608    // defaults
1609    legacy_request->master_pref = hidl_request.masterPref;
1610    legacy_request->discovery_indication_cfg = 0;
1611    legacy_request->discovery_indication_cfg |=
1612        hidl_request.disableDiscoveryAddressChangeIndication ? 0x1 : 0x0;
1613    legacy_request->discovery_indication_cfg |=
1614        hidl_request.disableStartedClusterIndication ? 0x2 : 0x0;
1615    legacy_request->discovery_indication_cfg |=
1616        hidl_request.disableJoinedClusterIndication ? 0x4 : 0x0;
1617    legacy_request->config_sid_beacon = 1;
1618    if (hidl_request.numberOfPublishServiceIdsInBeacon > 127) {
1619        LOG(ERROR) << "convertHidlNanConfigRequestToLegacy: "
1620                      "numberOfPublishServiceIdsInBeacon > 127";
1621        return false;
1622    }
1623    legacy_request->sid_beacon =
1624        (hidl_request.includePublishServiceIdsInBeacon ? 0x1 : 0x0) |
1625        (hidl_request.numberOfPublishServiceIdsInBeacon << 1);
1626    legacy_request->config_subscribe_sid_beacon = 1;
1627    if (hidl_request.numberOfSubscribeServiceIdsInBeacon > 127) {
1628        LOG(ERROR) << "convertHidlNanConfigRequestToLegacy: "
1629                      "numberOfSubscribeServiceIdsInBeacon > 127";
1630        return false;
1631    }
1632    legacy_request->subscribe_sid_beacon_val =
1633        (hidl_request.includeSubscribeServiceIdsInBeacon ? 0x1 : 0x0) |
1634        (hidl_request.numberOfSubscribeServiceIdsInBeacon << 1);
1635    legacy_request->config_rssi_window_size = 1;
1636    legacy_request->rssi_window_size_val = hidl_request.rssiWindowSize;
1637    legacy_request->config_disc_mac_addr_randomization = 1;
1638    legacy_request->disc_mac_addr_rand_interval_sec =
1639        hidl_request.macAddressRandomizationIntervalSec;
1640    /* TODO : missing
1641    legacy_request->config_2dot4g_rssi_close = 1;
1642    legacy_request->rssi_close_2dot4g_val =
1643          hidl_request.bandSpecificConfig[
1644              (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiClose;
1645    legacy_request->config_2dot4g_rssi_middle = 1;
1646    legacy_request->rssi_middle_2dot4g_val =
1647          hidl_request.bandSpecificConfig[
1648              (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiMiddle;
1649    legacy_request->config_2dot4g_rssi_proximity = 1;
1650    legacy_request->rssi_proximity_2dot4g_val =
1651          hidl_request.bandSpecificConfig[
1652              (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiCloseProximity;
1653    */
1654    legacy_request->config_scan_params = 1;
1655    legacy_request->scan_params_val
1656        .dwell_time[legacy_hal::NAN_CHANNEL_24G_BAND] =
1657        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1658            .dwellTimeMs;
1659    legacy_request->scan_params_val
1660        .scan_period[legacy_hal::NAN_CHANNEL_24G_BAND] =
1661        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1662            .scanPeriodSec;
1663    legacy_request->config_dw.config_2dot4g_dw_band =
1664        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1665            .validDiscoveryWindowIntervalVal;
1666    legacy_request->config_dw.dw_2dot4g_interval_val =
1667        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_24GHZ]
1668            .discoveryWindowIntervalVal;
1669    /* TODO: missing
1670    legacy_request->config_5g_rssi_close = 1;
1671    legacy_request->rssi_close_5g_val =
1672          hidl_request.bandSpecificConfig[
1673              (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiClose;
1674    legacy_request->config_5g_rssi_middle = 1;
1675    legacy_request->rssi_middle_5g_val =
1676          hidl_request.bandSpecificConfig[
1677              (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiMiddle;
1678    */
1679    legacy_request->config_5g_rssi_close_proximity = 1;
1680    legacy_request->rssi_close_proximity_5g_val =
1681        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1682            .rssiCloseProximity;
1683    legacy_request->scan_params_val
1684        .dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
1685        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1686            .dwellTimeMs;
1687    legacy_request->scan_params_val
1688        .scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
1689        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1690            .scanPeriodSec;
1691    legacy_request->scan_params_val
1692        .dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
1693        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1694            .dwellTimeMs;
1695    legacy_request->scan_params_val
1696        .scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
1697        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1698            .scanPeriodSec;
1699    legacy_request->config_dw.config_5g_dw_band =
1700        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1701            .validDiscoveryWindowIntervalVal;
1702    legacy_request->config_dw.dw_5g_interval_val =
1703        hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
1704            .discoveryWindowIntervalVal;
1705
1706    return true;
1707}
1708
1709bool convertHidlNanConfigRequest_1_2ToLegacy(
1710    const NanConfigRequest& hidl_request1,
1711    const NanConfigRequestSupplemental& hidl_request2,
1712    legacy_hal::NanConfigRequest* legacy_request) {
1713    if (!legacy_request) {
1714        LOG(ERROR) << "convertHidlNanConfigRequest_1_2ToLegacy: legacy_request "
1715                      "is null";
1716        return false;
1717    }
1718
1719    *legacy_request = {};
1720    if (!convertHidlNanConfigRequestToLegacy(hidl_request1, legacy_request)) {
1721        return false;
1722    }
1723
1724    legacy_request->config_discovery_beacon_int = 1;
1725    legacy_request->discovery_beacon_interval =
1726        hidl_request2.discoveryBeaconIntervalMs;
1727    legacy_request->config_nss = 1;
1728    legacy_request->nss = hidl_request2.numberOfSpatialStreamsInDiscovery;
1729    legacy_request->config_dw_early_termination = 1;
1730    legacy_request->enable_dw_termination =
1731        hidl_request2.enableDiscoveryWindowEarlyTermination;
1732    legacy_request->config_enable_ranging = 1;
1733    legacy_request->enable_ranging = hidl_request2.enableRanging;
1734
1735    return true;
1736}
1737
1738bool convertHidlNanDataPathInitiatorRequestToLegacy(
1739    const NanInitiateDataPathRequest& hidl_request,
1740    legacy_hal::NanDataPathInitiatorRequest* legacy_request) {
1741    if (!legacy_request) {
1742        LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1743                      "legacy_request is null";
1744        return false;
1745    }
1746    *legacy_request = {};
1747
1748    legacy_request->requestor_instance_id = hidl_request.peerId;
1749    memcpy(legacy_request->peer_disc_mac_addr,
1750           hidl_request.peerDiscMacAddr.data(), 6);
1751    legacy_request->channel_request_type =
1752        convertHidlNanDataPathChannelCfgToLegacy(
1753            hidl_request.channelRequestType);
1754    legacy_request->channel = hidl_request.channel;
1755    strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
1756    legacy_request->ndp_cfg.security_cfg =
1757        (hidl_request.securityConfig.securityType !=
1758         NanDataPathSecurityType::OPEN)
1759            ? legacy_hal::NAN_DP_CONFIG_SECURITY
1760            : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
1761    legacy_request->app_info.ndp_app_info_len = hidl_request.appInfo.size();
1762    if (legacy_request->app_info.ndp_app_info_len > NAN_DP_MAX_APP_INFO_LEN) {
1763        LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1764                      "ndp_app_info_len too large";
1765        return false;
1766    }
1767    memcpy(legacy_request->app_info.ndp_app_info, hidl_request.appInfo.data(),
1768           legacy_request->app_info.ndp_app_info_len);
1769    legacy_request->cipher_type =
1770        (unsigned int)hidl_request.securityConfig.cipherType;
1771    if (hidl_request.securityConfig.securityType ==
1772        NanDataPathSecurityType::PMK) {
1773        legacy_request->key_info.key_type =
1774            legacy_hal::NAN_SECURITY_KEY_INPUT_PMK;
1775        legacy_request->key_info.body.pmk_info.pmk_len =
1776            hidl_request.securityConfig.pmk.size();
1777        if (legacy_request->key_info.body.pmk_info.pmk_len !=
1778            NAN_PMK_INFO_LEN) {
1779            LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1780                          "invalid pmk_len";
1781            return false;
1782        }
1783        memcpy(legacy_request->key_info.body.pmk_info.pmk,
1784               hidl_request.securityConfig.pmk.data(),
1785               legacy_request->key_info.body.pmk_info.pmk_len);
1786    }
1787    if (hidl_request.securityConfig.securityType ==
1788        NanDataPathSecurityType::PASSPHRASE) {
1789        legacy_request->key_info.key_type =
1790            legacy_hal::NAN_SECURITY_KEY_INPUT_PASSPHRASE;
1791        legacy_request->key_info.body.passphrase_info.passphrase_len =
1792            hidl_request.securityConfig.passphrase.size();
1793        if (legacy_request->key_info.body.passphrase_info.passphrase_len <
1794            NAN_SECURITY_MIN_PASSPHRASE_LEN) {
1795            LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1796                          "passphrase_len too small";
1797            return false;
1798        }
1799        if (legacy_request->key_info.body.passphrase_info.passphrase_len >
1800            NAN_SECURITY_MAX_PASSPHRASE_LEN) {
1801            LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1802                          "passphrase_len too large";
1803            return false;
1804        }
1805        memcpy(legacy_request->key_info.body.passphrase_info.passphrase,
1806               hidl_request.securityConfig.passphrase.data(),
1807               legacy_request->key_info.body.passphrase_info.passphrase_len);
1808    }
1809    legacy_request->service_name_len = hidl_request.serviceNameOutOfBand.size();
1810    if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
1811        LOG(ERROR) << "convertHidlNanDataPathInitiatorRequestToLegacy: "
1812                      "service_name_len too large";
1813        return false;
1814    }
1815    memcpy(legacy_request->service_name,
1816           hidl_request.serviceNameOutOfBand.data(),
1817           legacy_request->service_name_len);
1818
1819    return true;
1820}
1821
1822bool convertHidlNanDataPathIndicationResponseToLegacy(
1823    const NanRespondToDataPathIndicationRequest& hidl_request,
1824    legacy_hal::NanDataPathIndicationResponse* legacy_request) {
1825    if (!legacy_request) {
1826        LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1827                      "legacy_request is null";
1828        return false;
1829    }
1830    *legacy_request = {};
1831
1832    legacy_request->rsp_code = hidl_request.acceptRequest
1833                                   ? legacy_hal::NAN_DP_REQUEST_ACCEPT
1834                                   : legacy_hal::NAN_DP_REQUEST_REJECT;
1835    legacy_request->ndp_instance_id = hidl_request.ndpInstanceId;
1836    strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
1837    legacy_request->ndp_cfg.security_cfg =
1838        (hidl_request.securityConfig.securityType !=
1839         NanDataPathSecurityType::OPEN)
1840            ? legacy_hal::NAN_DP_CONFIG_SECURITY
1841            : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
1842    legacy_request->app_info.ndp_app_info_len = hidl_request.appInfo.size();
1843    if (legacy_request->app_info.ndp_app_info_len > NAN_DP_MAX_APP_INFO_LEN) {
1844        LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1845                      "ndp_app_info_len too large";
1846        return false;
1847    }
1848    memcpy(legacy_request->app_info.ndp_app_info, hidl_request.appInfo.data(),
1849           legacy_request->app_info.ndp_app_info_len);
1850    legacy_request->cipher_type =
1851        (unsigned int)hidl_request.securityConfig.cipherType;
1852    if (hidl_request.securityConfig.securityType ==
1853        NanDataPathSecurityType::PMK) {
1854        legacy_request->key_info.key_type =
1855            legacy_hal::NAN_SECURITY_KEY_INPUT_PMK;
1856        legacy_request->key_info.body.pmk_info.pmk_len =
1857            hidl_request.securityConfig.pmk.size();
1858        if (legacy_request->key_info.body.pmk_info.pmk_len !=
1859            NAN_PMK_INFO_LEN) {
1860            LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1861                          "invalid pmk_len";
1862            return false;
1863        }
1864        memcpy(legacy_request->key_info.body.pmk_info.pmk,
1865               hidl_request.securityConfig.pmk.data(),
1866               legacy_request->key_info.body.pmk_info.pmk_len);
1867    }
1868    if (hidl_request.securityConfig.securityType ==
1869        NanDataPathSecurityType::PASSPHRASE) {
1870        legacy_request->key_info.key_type =
1871            legacy_hal::NAN_SECURITY_KEY_INPUT_PASSPHRASE;
1872        legacy_request->key_info.body.passphrase_info.passphrase_len =
1873            hidl_request.securityConfig.passphrase.size();
1874        if (legacy_request->key_info.body.passphrase_info.passphrase_len <
1875            NAN_SECURITY_MIN_PASSPHRASE_LEN) {
1876            LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1877                          "passphrase_len too small";
1878            return false;
1879        }
1880        if (legacy_request->key_info.body.passphrase_info.passphrase_len >
1881            NAN_SECURITY_MAX_PASSPHRASE_LEN) {
1882            LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1883                          "passphrase_len too large";
1884            return false;
1885        }
1886        memcpy(legacy_request->key_info.body.passphrase_info.passphrase,
1887               hidl_request.securityConfig.passphrase.data(),
1888               legacy_request->key_info.body.passphrase_info.passphrase_len);
1889    }
1890    legacy_request->service_name_len = hidl_request.serviceNameOutOfBand.size();
1891    if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
1892        LOG(ERROR) << "convertHidlNanDataPathIndicationResponseToLegacy: "
1893                      "service_name_len too large";
1894        return false;
1895    }
1896    memcpy(legacy_request->service_name,
1897           hidl_request.serviceNameOutOfBand.data(),
1898           legacy_request->service_name_len);
1899
1900    return true;
1901}
1902
1903bool convertLegacyNanResponseHeaderToHidl(
1904    const legacy_hal::NanResponseMsg& legacy_response,
1905    WifiNanStatus* wifiNanStatus) {
1906    if (!wifiNanStatus) {
1907        LOG(ERROR)
1908            << "convertLegacyNanResponseHeaderToHidl: wifiNanStatus is null";
1909        return false;
1910    }
1911    *wifiNanStatus = {};
1912
1913    convertToWifiNanStatus(legacy_response.status, legacy_response.nan_error,
1914                           sizeof(legacy_response.nan_error), wifiNanStatus);
1915    return true;
1916}
1917
1918bool convertLegacyNanCapabilitiesResponseToHidl(
1919    const legacy_hal::NanCapabilities& legacy_response,
1920    NanCapabilities* hidl_response) {
1921    if (!hidl_response) {
1922        LOG(ERROR) << "convertLegacyNanCapabilitiesResponseToHidl: "
1923                      "hidl_response is null";
1924        return false;
1925    }
1926    *hidl_response = {};
1927
1928    hidl_response->maxConcurrentClusters =
1929        legacy_response.max_concurrent_nan_clusters;
1930    hidl_response->maxPublishes = legacy_response.max_publishes;
1931    hidl_response->maxSubscribes = legacy_response.max_subscribes;
1932    hidl_response->maxServiceNameLen = legacy_response.max_service_name_len;
1933    hidl_response->maxMatchFilterLen = legacy_response.max_match_filter_len;
1934    hidl_response->maxTotalMatchFilterLen =
1935        legacy_response.max_total_match_filter_len;
1936    hidl_response->maxServiceSpecificInfoLen =
1937        legacy_response.max_service_specific_info_len;
1938    hidl_response->maxExtendedServiceSpecificInfoLen =
1939        legacy_response.max_sdea_service_specific_info_len;
1940    hidl_response->maxNdiInterfaces = legacy_response.max_ndi_interfaces;
1941    hidl_response->maxNdpSessions = legacy_response.max_ndp_sessions;
1942    hidl_response->maxAppInfoLen = legacy_response.max_app_info_len;
1943    hidl_response->maxQueuedTransmitFollowupMsgs =
1944        legacy_response.max_queued_transmit_followup_msgs;
1945    hidl_response->maxSubscribeInterfaceAddresses =
1946        legacy_response.max_subscribe_address;
1947    hidl_response->supportedCipherSuites =
1948        legacy_response.cipher_suites_supported;
1949
1950    return true;
1951}
1952
1953bool convertLegacyNanMatchIndToHidl(const legacy_hal::NanMatchInd& legacy_ind,
1954                                    NanMatchInd* hidl_ind) {
1955    if (!hidl_ind) {
1956        LOG(ERROR) << "convertLegacyNanMatchIndToHidl: hidl_ind is null";
1957        return false;
1958    }
1959    *hidl_ind = {};
1960
1961    hidl_ind->discoverySessionId = legacy_ind.publish_subscribe_id;
1962    hidl_ind->peerId = legacy_ind.requestor_instance_id;
1963    hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
1964    hidl_ind->serviceSpecificInfo =
1965        std::vector<uint8_t>(legacy_ind.service_specific_info,
1966                             legacy_ind.service_specific_info +
1967                                 legacy_ind.service_specific_info_len);
1968    hidl_ind->extendedServiceSpecificInfo =
1969        std::vector<uint8_t>(legacy_ind.sdea_service_specific_info,
1970                             legacy_ind.sdea_service_specific_info +
1971                                 legacy_ind.sdea_service_specific_info_len);
1972    hidl_ind->matchFilter = std::vector<uint8_t>(
1973        legacy_ind.sdf_match_filter,
1974        legacy_ind.sdf_match_filter + legacy_ind.sdf_match_filter_len);
1975    hidl_ind->matchOccuredInBeaconFlag = legacy_ind.match_occured_flag == 1;
1976    hidl_ind->outOfResourceFlag = legacy_ind.out_of_resource_flag == 1;
1977    hidl_ind->rssiValue = legacy_ind.rssi_value;
1978    hidl_ind->peerCipherType = (NanCipherSuiteType)legacy_ind.peer_cipher_type;
1979    hidl_ind->peerRequiresSecurityEnabledInNdp =
1980        legacy_ind.peer_sdea_params.security_cfg ==
1981        legacy_hal::NAN_DP_CONFIG_SECURITY;
1982    hidl_ind->peerRequiresRanging = legacy_ind.peer_sdea_params.ranging_state ==
1983                                    legacy_hal::NAN_RANGING_ENABLE;
1984    hidl_ind->rangingMeasurementInCm =
1985        legacy_ind.range_info.range_measurement_mm / 10;
1986    hidl_ind->rangingIndicationType = legacy_ind.range_info.ranging_event_type;
1987
1988    return true;
1989}
1990
1991bool convertLegacyNanFollowupIndToHidl(
1992    const legacy_hal::NanFollowupInd& legacy_ind,
1993    NanFollowupReceivedInd* hidl_ind) {
1994    if (!hidl_ind) {
1995        LOG(ERROR) << "convertLegacyNanFollowupIndToHidl: hidl_ind is null";
1996        return false;
1997    }
1998    *hidl_ind = {};
1999
2000    hidl_ind->discoverySessionId = legacy_ind.publish_subscribe_id;
2001    hidl_ind->peerId = legacy_ind.requestor_instance_id;
2002    hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
2003    hidl_ind->receivedInFaw = legacy_ind.dw_or_faw == 1;
2004    hidl_ind->serviceSpecificInfo =
2005        std::vector<uint8_t>(legacy_ind.service_specific_info,
2006                             legacy_ind.service_specific_info +
2007                                 legacy_ind.service_specific_info_len);
2008    hidl_ind->extendedServiceSpecificInfo =
2009        std::vector<uint8_t>(legacy_ind.sdea_service_specific_info,
2010                             legacy_ind.sdea_service_specific_info +
2011                                 legacy_ind.sdea_service_specific_info_len);
2012
2013    return true;
2014}
2015
2016bool convertLegacyNanDataPathRequestIndToHidl(
2017    const legacy_hal::NanDataPathRequestInd& legacy_ind,
2018    NanDataPathRequestInd* hidl_ind) {
2019    if (!hidl_ind) {
2020        LOG(ERROR)
2021            << "convertLegacyNanDataPathRequestIndToHidl: hidl_ind is null";
2022        return false;
2023    }
2024    *hidl_ind = {};
2025
2026    hidl_ind->discoverySessionId = legacy_ind.service_instance_id;
2027    hidl_ind->peerDiscMacAddr =
2028        hidl_array<uint8_t, 6>(legacy_ind.peer_disc_mac_addr);
2029    hidl_ind->ndpInstanceId = legacy_ind.ndp_instance_id;
2030    hidl_ind->securityRequired =
2031        legacy_ind.ndp_cfg.security_cfg == legacy_hal::NAN_DP_CONFIG_SECURITY;
2032    hidl_ind->appInfo =
2033        std::vector<uint8_t>(legacy_ind.app_info.ndp_app_info,
2034                             legacy_ind.app_info.ndp_app_info +
2035                                 legacy_ind.app_info.ndp_app_info_len);
2036
2037    return true;
2038}
2039
2040bool convertLegacyNdpChannelInfoToHidl(
2041    const legacy_hal::NanChannelInfo& legacy_struct,
2042    NanDataPathChannelInfo* hidl_struct) {
2043    if (!hidl_struct) {
2044        LOG(ERROR) << "convertLegacyNdpChannelInfoToHidl: hidl_struct is null";
2045        return false;
2046    }
2047    *hidl_struct = {};
2048
2049    hidl_struct->channelFreq = legacy_struct.channel;
2050    hidl_struct->channelBandwidth = convertLegacyWifiChannelWidthToHidl(
2051        (legacy_hal::wifi_channel_width)legacy_struct.bandwidth);
2052    hidl_struct->numSpatialStreams = legacy_struct.nss;
2053
2054    return true;
2055}
2056
2057bool convertLegacyNanDataPathConfirmIndToHidl(
2058    const legacy_hal::NanDataPathConfirmInd& legacy_ind,
2059    NanDataPathConfirmInd* hidl_ind) {
2060    if (!hidl_ind) {
2061        LOG(ERROR)
2062            << "convertLegacyNanDataPathConfirmIndToHidl: hidl_ind is null";
2063        return false;
2064    }
2065    *hidl_ind = {};
2066
2067    hidl_ind->V1_0.ndpInstanceId = legacy_ind.ndp_instance_id;
2068    hidl_ind->V1_0.dataPathSetupSuccess =
2069        legacy_ind.rsp_code == legacy_hal::NAN_DP_REQUEST_ACCEPT;
2070    hidl_ind->V1_0.peerNdiMacAddr =
2071        hidl_array<uint8_t, 6>(legacy_ind.peer_ndi_mac_addr);
2072    hidl_ind->V1_0.appInfo =
2073        std::vector<uint8_t>(legacy_ind.app_info.ndp_app_info,
2074                             legacy_ind.app_info.ndp_app_info +
2075                                 legacy_ind.app_info.ndp_app_info_len);
2076    hidl_ind->V1_0.status.status =
2077        convertLegacyNanStatusTypeToHidl(legacy_ind.reason_code);
2078    hidl_ind->V1_0.status.description = "";  // TODO: b/34059183
2079
2080    std::vector<NanDataPathChannelInfo> channelInfo;
2081    for (unsigned int i = 0; i < legacy_ind.num_channels; ++i) {
2082        NanDataPathChannelInfo hidl_struct;
2083        if (!convertLegacyNdpChannelInfoToHidl(legacy_ind.channel_info[i],
2084                                               &hidl_struct)) {
2085            return false;
2086        }
2087        channelInfo.push_back(hidl_struct);
2088    }
2089    hidl_ind->channelInfo = channelInfo;
2090
2091    return true;
2092}
2093
2094bool convertLegacyNanDataPathScheduleUpdateIndToHidl(
2095    const legacy_hal::NanDataPathScheduleUpdateInd& legacy_ind,
2096    NanDataPathScheduleUpdateInd* hidl_ind) {
2097    if (!hidl_ind) {
2098        LOG(ERROR) << "convertLegacyNanDataPathScheduleUpdateIndToHidl: "
2099                      "hidl_ind is null";
2100        return false;
2101    }
2102    *hidl_ind = {};
2103
2104    hidl_ind->peerDiscoveryAddress =
2105        hidl_array<uint8_t, 6>(legacy_ind.peer_mac_addr);
2106    std::vector<NanDataPathChannelInfo> channelInfo;
2107    for (unsigned int i = 0; i < legacy_ind.num_channels; ++i) {
2108        NanDataPathChannelInfo hidl_struct;
2109        if (!convertLegacyNdpChannelInfoToHidl(legacy_ind.channel_info[i],
2110                                               &hidl_struct)) {
2111            return false;
2112        }
2113        channelInfo.push_back(hidl_struct);
2114    }
2115    hidl_ind->channelInfo = channelInfo;
2116    std::vector<uint32_t> ndpInstanceIds;
2117    for (unsigned int i = 0; i < legacy_ind.num_ndp_instances; ++i) {
2118        ndpInstanceIds.push_back(legacy_ind.ndp_instance_id[i]);
2119    }
2120    hidl_ind->ndpInstanceIds = ndpInstanceIds;
2121
2122    return true;
2123}
2124
2125legacy_hal::wifi_rtt_type convertHidlRttTypeToLegacy(RttType type) {
2126    switch (type) {
2127        case RttType::ONE_SIDED:
2128            return legacy_hal::RTT_TYPE_1_SIDED;
2129        case RttType::TWO_SIDED:
2130            return legacy_hal::RTT_TYPE_2_SIDED;
2131    };
2132    CHECK(false);
2133}
2134
2135RttType convertLegacyRttTypeToHidl(legacy_hal::wifi_rtt_type type) {
2136    switch (type) {
2137        case legacy_hal::RTT_TYPE_1_SIDED:
2138            return RttType::ONE_SIDED;
2139        case legacy_hal::RTT_TYPE_2_SIDED:
2140            return RttType::TWO_SIDED;
2141    };
2142    CHECK(false) << "Unknown legacy type: " << type;
2143}
2144
2145legacy_hal::rtt_peer_type convertHidlRttPeerTypeToLegacy(RttPeerType type) {
2146    switch (type) {
2147        case RttPeerType::AP:
2148            return legacy_hal::RTT_PEER_AP;
2149        case RttPeerType::STA:
2150            return legacy_hal::RTT_PEER_STA;
2151        case RttPeerType::P2P_GO:
2152            return legacy_hal::RTT_PEER_P2P_GO;
2153        case RttPeerType::P2P_CLIENT:
2154            return legacy_hal::RTT_PEER_P2P_CLIENT;
2155        case RttPeerType::NAN:
2156            return legacy_hal::RTT_PEER_NAN;
2157    };
2158    CHECK(false);
2159}
2160
2161legacy_hal::wifi_channel_width convertHidlWifiChannelWidthToLegacy(
2162    WifiChannelWidthInMhz type) {
2163    switch (type) {
2164        case WifiChannelWidthInMhz::WIDTH_20:
2165            return legacy_hal::WIFI_CHAN_WIDTH_20;
2166        case WifiChannelWidthInMhz::WIDTH_40:
2167            return legacy_hal::WIFI_CHAN_WIDTH_40;
2168        case WifiChannelWidthInMhz::WIDTH_80:
2169            return legacy_hal::WIFI_CHAN_WIDTH_80;
2170        case WifiChannelWidthInMhz::WIDTH_160:
2171            return legacy_hal::WIFI_CHAN_WIDTH_160;
2172        case WifiChannelWidthInMhz::WIDTH_80P80:
2173            return legacy_hal::WIFI_CHAN_WIDTH_80P80;
2174        case WifiChannelWidthInMhz::WIDTH_5:
2175            return legacy_hal::WIFI_CHAN_WIDTH_5;
2176        case WifiChannelWidthInMhz::WIDTH_10:
2177            return legacy_hal::WIFI_CHAN_WIDTH_10;
2178        case WifiChannelWidthInMhz::WIDTH_INVALID:
2179            return legacy_hal::WIFI_CHAN_WIDTH_INVALID;
2180    };
2181    CHECK(false);
2182}
2183
2184WifiChannelWidthInMhz convertLegacyWifiChannelWidthToHidl(
2185    legacy_hal::wifi_channel_width type) {
2186    switch (type) {
2187        case legacy_hal::WIFI_CHAN_WIDTH_20:
2188            return WifiChannelWidthInMhz::WIDTH_20;
2189        case legacy_hal::WIFI_CHAN_WIDTH_40:
2190            return WifiChannelWidthInMhz::WIDTH_40;
2191        case legacy_hal::WIFI_CHAN_WIDTH_80:
2192            return WifiChannelWidthInMhz::WIDTH_80;
2193        case legacy_hal::WIFI_CHAN_WIDTH_160:
2194            return WifiChannelWidthInMhz::WIDTH_160;
2195        case legacy_hal::WIFI_CHAN_WIDTH_80P80:
2196            return WifiChannelWidthInMhz::WIDTH_80P80;
2197        case legacy_hal::WIFI_CHAN_WIDTH_5:
2198            return WifiChannelWidthInMhz::WIDTH_5;
2199        case legacy_hal::WIFI_CHAN_WIDTH_10:
2200            return WifiChannelWidthInMhz::WIDTH_10;
2201        case legacy_hal::WIFI_CHAN_WIDTH_INVALID:
2202            return WifiChannelWidthInMhz::WIDTH_INVALID;
2203    };
2204    CHECK(false) << "Unknown legacy type: " << type;
2205}
2206
2207legacy_hal::wifi_rtt_preamble convertHidlRttPreambleToLegacy(RttPreamble type) {
2208    switch (type) {
2209        case RttPreamble::LEGACY:
2210            return legacy_hal::WIFI_RTT_PREAMBLE_LEGACY;
2211        case RttPreamble::HT:
2212            return legacy_hal::WIFI_RTT_PREAMBLE_HT;
2213        case RttPreamble::VHT:
2214            return legacy_hal::WIFI_RTT_PREAMBLE_VHT;
2215    };
2216    CHECK(false);
2217}
2218
2219RttPreamble convertLegacyRttPreambleToHidl(legacy_hal::wifi_rtt_preamble type) {
2220    switch (type) {
2221        case legacy_hal::WIFI_RTT_PREAMBLE_LEGACY:
2222            return RttPreamble::LEGACY;
2223        case legacy_hal::WIFI_RTT_PREAMBLE_HT:
2224            return RttPreamble::HT;
2225        case legacy_hal::WIFI_RTT_PREAMBLE_VHT:
2226            return RttPreamble::VHT;
2227    };
2228    CHECK(false) << "Unknown legacy type: " << type;
2229}
2230
2231legacy_hal::wifi_rtt_bw convertHidlRttBwToLegacy(RttBw type) {
2232    switch (type) {
2233        case RttBw::BW_5MHZ:
2234            return legacy_hal::WIFI_RTT_BW_5;
2235        case RttBw::BW_10MHZ:
2236            return legacy_hal::WIFI_RTT_BW_10;
2237        case RttBw::BW_20MHZ:
2238            return legacy_hal::WIFI_RTT_BW_20;
2239        case RttBw::BW_40MHZ:
2240            return legacy_hal::WIFI_RTT_BW_40;
2241        case RttBw::BW_80MHZ:
2242            return legacy_hal::WIFI_RTT_BW_80;
2243        case RttBw::BW_160MHZ:
2244            return legacy_hal::WIFI_RTT_BW_160;
2245    };
2246    CHECK(false);
2247}
2248
2249RttBw convertLegacyRttBwToHidl(legacy_hal::wifi_rtt_bw type) {
2250    switch (type) {
2251        case legacy_hal::WIFI_RTT_BW_5:
2252            return RttBw::BW_5MHZ;
2253        case legacy_hal::WIFI_RTT_BW_10:
2254            return RttBw::BW_10MHZ;
2255        case legacy_hal::WIFI_RTT_BW_20:
2256            return RttBw::BW_20MHZ;
2257        case legacy_hal::WIFI_RTT_BW_40:
2258            return RttBw::BW_40MHZ;
2259        case legacy_hal::WIFI_RTT_BW_80:
2260            return RttBw::BW_80MHZ;
2261        case legacy_hal::WIFI_RTT_BW_160:
2262            return RttBw::BW_160MHZ;
2263    };
2264    CHECK(false) << "Unknown legacy type: " << type;
2265}
2266
2267legacy_hal::wifi_motion_pattern convertHidlRttMotionPatternToLegacy(
2268    RttMotionPattern type) {
2269    switch (type) {
2270        case RttMotionPattern::NOT_EXPECTED:
2271            return legacy_hal::WIFI_MOTION_NOT_EXPECTED;
2272        case RttMotionPattern::EXPECTED:
2273            return legacy_hal::WIFI_MOTION_EXPECTED;
2274        case RttMotionPattern::UNKNOWN:
2275            return legacy_hal::WIFI_MOTION_UNKNOWN;
2276    };
2277    CHECK(false);
2278}
2279
2280WifiRatePreamble convertLegacyWifiRatePreambleToHidl(uint8_t preamble) {
2281    switch (preamble) {
2282        case 0:
2283            return WifiRatePreamble::OFDM;
2284        case 1:
2285            return WifiRatePreamble::CCK;
2286        case 2:
2287            return WifiRatePreamble::HT;
2288        case 3:
2289            return WifiRatePreamble::VHT;
2290        default:
2291            return WifiRatePreamble::RESERVED;
2292    };
2293    CHECK(false) << "Unknown legacy preamble: " << preamble;
2294}
2295
2296WifiRateNss convertLegacyWifiRateNssToHidl(uint8_t nss) {
2297    switch (nss) {
2298        case 0:
2299            return WifiRateNss::NSS_1x1;
2300        case 1:
2301            return WifiRateNss::NSS_2x2;
2302        case 2:
2303            return WifiRateNss::NSS_3x3;
2304        case 3:
2305            return WifiRateNss::NSS_4x4;
2306    };
2307    CHECK(false) << "Unknown legacy nss: " << nss;
2308    return {};
2309}
2310
2311RttStatus convertLegacyRttStatusToHidl(legacy_hal::wifi_rtt_status status) {
2312    switch (status) {
2313        case legacy_hal::RTT_STATUS_SUCCESS:
2314            return RttStatus::SUCCESS;
2315        case legacy_hal::RTT_STATUS_FAILURE:
2316            return RttStatus::FAILURE;
2317        case legacy_hal::RTT_STATUS_FAIL_NO_RSP:
2318            return RttStatus::FAIL_NO_RSP;
2319        case legacy_hal::RTT_STATUS_FAIL_REJECTED:
2320            return RttStatus::FAIL_REJECTED;
2321        case legacy_hal::RTT_STATUS_FAIL_NOT_SCHEDULED_YET:
2322            return RttStatus::FAIL_NOT_SCHEDULED_YET;
2323        case legacy_hal::RTT_STATUS_FAIL_TM_TIMEOUT:
2324            return RttStatus::FAIL_TM_TIMEOUT;
2325        case legacy_hal::RTT_STATUS_FAIL_AP_ON_DIFF_CHANNEL:
2326            return RttStatus::FAIL_AP_ON_DIFF_CHANNEL;
2327        case legacy_hal::RTT_STATUS_FAIL_NO_CAPABILITY:
2328            return RttStatus::FAIL_NO_CAPABILITY;
2329        case legacy_hal::RTT_STATUS_ABORTED:
2330            return RttStatus::ABORTED;
2331        case legacy_hal::RTT_STATUS_FAIL_INVALID_TS:
2332            return RttStatus::FAIL_INVALID_TS;
2333        case legacy_hal::RTT_STATUS_FAIL_PROTOCOL:
2334            return RttStatus::FAIL_PROTOCOL;
2335        case legacy_hal::RTT_STATUS_FAIL_SCHEDULE:
2336            return RttStatus::FAIL_SCHEDULE;
2337        case legacy_hal::RTT_STATUS_FAIL_BUSY_TRY_LATER:
2338            return RttStatus::FAIL_BUSY_TRY_LATER;
2339        case legacy_hal::RTT_STATUS_INVALID_REQ:
2340            return RttStatus::INVALID_REQ;
2341        case legacy_hal::RTT_STATUS_NO_WIFI:
2342            return RttStatus::NO_WIFI;
2343        case legacy_hal::RTT_STATUS_FAIL_FTM_PARAM_OVERRIDE:
2344            return RttStatus::FAIL_FTM_PARAM_OVERRIDE;
2345        case legacy_hal::RTT_STATUS_NAN_RANGING_PROTOCOL_FAILURE:
2346            return RttStatus::FAILURE;  // TODO: add HIDL enumeration
2347        case legacy_hal::RTT_STATUS_NAN_RANGING_CONCURRENCY_NOT_SUPPORTED:
2348            return RttStatus::FAILURE;  // TODO: add HIDL enumeration
2349    };
2350    CHECK(false) << "Unknown legacy status: " << status;
2351}
2352
2353bool convertHidlWifiChannelInfoToLegacy(
2354    const WifiChannelInfo& hidl_info,
2355    legacy_hal::wifi_channel_info* legacy_info) {
2356    if (!legacy_info) {
2357        return false;
2358    }
2359    *legacy_info = {};
2360    legacy_info->width = convertHidlWifiChannelWidthToLegacy(hidl_info.width);
2361    legacy_info->center_freq = hidl_info.centerFreq;
2362    legacy_info->center_freq0 = hidl_info.centerFreq0;
2363    legacy_info->center_freq1 = hidl_info.centerFreq1;
2364    return true;
2365}
2366
2367bool convertLegacyWifiChannelInfoToHidl(
2368    const legacy_hal::wifi_channel_info& legacy_info,
2369    WifiChannelInfo* hidl_info) {
2370    if (!hidl_info) {
2371        return false;
2372    }
2373    *hidl_info = {};
2374    hidl_info->width = convertLegacyWifiChannelWidthToHidl(legacy_info.width);
2375    hidl_info->centerFreq = legacy_info.center_freq;
2376    hidl_info->centerFreq0 = legacy_info.center_freq0;
2377    hidl_info->centerFreq1 = legacy_info.center_freq1;
2378    return true;
2379}
2380
2381bool convertHidlRttConfigToLegacy(const RttConfig& hidl_config,
2382                                  legacy_hal::wifi_rtt_config* legacy_config) {
2383    if (!legacy_config) {
2384        return false;
2385    }
2386    *legacy_config = {};
2387    CHECK(hidl_config.addr.size() == sizeof(legacy_config->addr));
2388    memcpy(legacy_config->addr, hidl_config.addr.data(),
2389           hidl_config.addr.size());
2390    legacy_config->type = convertHidlRttTypeToLegacy(hidl_config.type);
2391    legacy_config->peer = convertHidlRttPeerTypeToLegacy(hidl_config.peer);
2392    if (!convertHidlWifiChannelInfoToLegacy(hidl_config.channel,
2393                                            &legacy_config->channel)) {
2394        return false;
2395    }
2396    legacy_config->burst_period = hidl_config.burstPeriod;
2397    legacy_config->num_burst = hidl_config.numBurst;
2398    legacy_config->num_frames_per_burst = hidl_config.numFramesPerBurst;
2399    legacy_config->num_retries_per_rtt_frame =
2400        hidl_config.numRetriesPerRttFrame;
2401    legacy_config->num_retries_per_ftmr = hidl_config.numRetriesPerFtmr;
2402    legacy_config->LCI_request = hidl_config.mustRequestLci;
2403    legacy_config->LCR_request = hidl_config.mustRequestLcr;
2404    legacy_config->burst_duration = hidl_config.burstDuration;
2405    legacy_config->preamble =
2406        convertHidlRttPreambleToLegacy(hidl_config.preamble);
2407    legacy_config->bw = convertHidlRttBwToLegacy(hidl_config.bw);
2408    return true;
2409}
2410
2411bool convertHidlVectorOfRttConfigToLegacy(
2412    const std::vector<RttConfig>& hidl_configs,
2413    std::vector<legacy_hal::wifi_rtt_config>* legacy_configs) {
2414    if (!legacy_configs) {
2415        return false;
2416    }
2417    *legacy_configs = {};
2418    for (const auto& hidl_config : hidl_configs) {
2419        legacy_hal::wifi_rtt_config legacy_config;
2420        if (!convertHidlRttConfigToLegacy(hidl_config, &legacy_config)) {
2421            return false;
2422        }
2423        legacy_configs->push_back(legacy_config);
2424    }
2425    return true;
2426}
2427
2428bool convertHidlRttLciInformationToLegacy(
2429    const RttLciInformation& hidl_info,
2430    legacy_hal::wifi_lci_information* legacy_info) {
2431    if (!legacy_info) {
2432        return false;
2433    }
2434    *legacy_info = {};
2435    legacy_info->latitude = hidl_info.latitude;
2436    legacy_info->longitude = hidl_info.longitude;
2437    legacy_info->altitude = hidl_info.altitude;
2438    legacy_info->latitude_unc = hidl_info.latitudeUnc;
2439    legacy_info->longitude_unc = hidl_info.longitudeUnc;
2440    legacy_info->altitude_unc = hidl_info.altitudeUnc;
2441    legacy_info->motion_pattern =
2442        convertHidlRttMotionPatternToLegacy(hidl_info.motionPattern);
2443    legacy_info->floor = hidl_info.floor;
2444    legacy_info->height_above_floor = hidl_info.heightAboveFloor;
2445    legacy_info->height_unc = hidl_info.heightUnc;
2446    return true;
2447}
2448
2449bool convertHidlRttLcrInformationToLegacy(
2450    const RttLcrInformation& hidl_info,
2451    legacy_hal::wifi_lcr_information* legacy_info) {
2452    if (!legacy_info) {
2453        return false;
2454    }
2455    *legacy_info = {};
2456    CHECK(hidl_info.countryCode.size() == sizeof(legacy_info->country_code));
2457    memcpy(legacy_info->country_code, hidl_info.countryCode.data(),
2458           hidl_info.countryCode.size());
2459    if (hidl_info.civicInfo.size() > sizeof(legacy_info->civic_info)) {
2460        return false;
2461    }
2462    legacy_info->length = hidl_info.civicInfo.size();
2463    memcpy(legacy_info->civic_info, hidl_info.civicInfo.c_str(),
2464           hidl_info.civicInfo.size());
2465    return true;
2466}
2467
2468bool convertHidlRttResponderToLegacy(
2469    const RttResponder& hidl_responder,
2470    legacy_hal::wifi_rtt_responder* legacy_responder) {
2471    if (!legacy_responder) {
2472        return false;
2473    }
2474    *legacy_responder = {};
2475    if (!convertHidlWifiChannelInfoToLegacy(hidl_responder.channel,
2476                                            &legacy_responder->channel)) {
2477        return false;
2478    }
2479    legacy_responder->preamble =
2480        convertHidlRttPreambleToLegacy(hidl_responder.preamble);
2481    return true;
2482}
2483
2484bool convertLegacyRttResponderToHidl(
2485    const legacy_hal::wifi_rtt_responder& legacy_responder,
2486    RttResponder* hidl_responder) {
2487    if (!hidl_responder) {
2488        return false;
2489    }
2490    *hidl_responder = {};
2491    if (!convertLegacyWifiChannelInfoToHidl(legacy_responder.channel,
2492                                            &hidl_responder->channel)) {
2493        return false;
2494    }
2495    hidl_responder->preamble =
2496        convertLegacyRttPreambleToHidl(legacy_responder.preamble);
2497    return true;
2498}
2499
2500bool convertLegacyRttCapabilitiesToHidl(
2501    const legacy_hal::wifi_rtt_capabilities& legacy_capabilities,
2502    RttCapabilities* hidl_capabilities) {
2503    if (!hidl_capabilities) {
2504        return false;
2505    }
2506    *hidl_capabilities = {};
2507    hidl_capabilities->rttOneSidedSupported =
2508        legacy_capabilities.rtt_one_sided_supported;
2509    hidl_capabilities->rttFtmSupported = legacy_capabilities.rtt_ftm_supported;
2510    hidl_capabilities->lciSupported = legacy_capabilities.lci_support;
2511    hidl_capabilities->lcrSupported = legacy_capabilities.lcr_support;
2512    hidl_capabilities->responderSupported =
2513        legacy_capabilities.responder_supported;
2514    hidl_capabilities->preambleSupport = 0;
2515    for (const auto flag : {legacy_hal::WIFI_RTT_PREAMBLE_LEGACY,
2516                            legacy_hal::WIFI_RTT_PREAMBLE_HT,
2517                            legacy_hal::WIFI_RTT_PREAMBLE_VHT}) {
2518        if (legacy_capabilities.preamble_support & flag) {
2519            hidl_capabilities->preambleSupport |=
2520                static_cast<std::underlying_type<RttPreamble>::type>(
2521                    convertLegacyRttPreambleToHidl(flag));
2522        }
2523    }
2524    hidl_capabilities->bwSupport = 0;
2525    for (const auto flag :
2526         {legacy_hal::WIFI_RTT_BW_5, legacy_hal::WIFI_RTT_BW_10,
2527          legacy_hal::WIFI_RTT_BW_20, legacy_hal::WIFI_RTT_BW_40,
2528          legacy_hal::WIFI_RTT_BW_80, legacy_hal::WIFI_RTT_BW_160}) {
2529        if (legacy_capabilities.bw_support & flag) {
2530            hidl_capabilities->bwSupport |=
2531                static_cast<std::underlying_type<RttBw>::type>(
2532                    convertLegacyRttBwToHidl(flag));
2533        }
2534    }
2535    hidl_capabilities->mcVersion = legacy_capabilities.mc_version;
2536    return true;
2537}
2538
2539bool convertLegacyWifiRateInfoToHidl(const legacy_hal::wifi_rate& legacy_rate,
2540                                     WifiRateInfo* hidl_rate) {
2541    if (!hidl_rate) {
2542        return false;
2543    }
2544    *hidl_rate = {};
2545    hidl_rate->preamble =
2546        convertLegacyWifiRatePreambleToHidl(legacy_rate.preamble);
2547    hidl_rate->nss = convertLegacyWifiRateNssToHidl(legacy_rate.nss);
2548    hidl_rate->bw = convertLegacyWifiChannelWidthToHidl(
2549        static_cast<legacy_hal::wifi_channel_width>(legacy_rate.bw));
2550    hidl_rate->rateMcsIdx = legacy_rate.rateMcsIdx;
2551    hidl_rate->bitRateInKbps = legacy_rate.bitrate;
2552    return true;
2553}
2554
2555bool convertLegacyRttResultToHidl(
2556    const legacy_hal::wifi_rtt_result& legacy_result, RttResult* hidl_result) {
2557    if (!hidl_result) {
2558        return false;
2559    }
2560    *hidl_result = {};
2561    CHECK(sizeof(legacy_result.addr) == hidl_result->addr.size());
2562    memcpy(hidl_result->addr.data(), legacy_result.addr,
2563           sizeof(legacy_result.addr));
2564    hidl_result->burstNum = legacy_result.burst_num;
2565    hidl_result->measurementNumber = legacy_result.measurement_number;
2566    hidl_result->successNumber = legacy_result.success_number;
2567    hidl_result->numberPerBurstPeer = legacy_result.number_per_burst_peer;
2568    hidl_result->status = convertLegacyRttStatusToHidl(legacy_result.status);
2569    hidl_result->retryAfterDuration = legacy_result.retry_after_duration;
2570    hidl_result->type = convertLegacyRttTypeToHidl(legacy_result.type);
2571    hidl_result->rssi = legacy_result.rssi;
2572    hidl_result->rssiSpread = legacy_result.rssi_spread;
2573    if (!convertLegacyWifiRateInfoToHidl(legacy_result.tx_rate,
2574                                         &hidl_result->txRate)) {
2575        return false;
2576    }
2577    if (!convertLegacyWifiRateInfoToHidl(legacy_result.rx_rate,
2578                                         &hidl_result->rxRate)) {
2579        return false;
2580    }
2581    hidl_result->rtt = legacy_result.rtt;
2582    hidl_result->rttSd = legacy_result.rtt_sd;
2583    hidl_result->rttSpread = legacy_result.rtt_spread;
2584    hidl_result->distanceInMm = legacy_result.distance_mm;
2585    hidl_result->distanceSdInMm = legacy_result.distance_sd_mm;
2586    hidl_result->distanceSpreadInMm = legacy_result.distance_spread_mm;
2587    hidl_result->timeStampInUs = legacy_result.ts;
2588    hidl_result->burstDurationInMs = legacy_result.burst_duration;
2589    hidl_result->negotiatedBurstNum = legacy_result.negotiated_burst_num;
2590    if (legacy_result.LCI &&
2591        !convertLegacyIeToHidl(*legacy_result.LCI, &hidl_result->lci)) {
2592        return false;
2593    }
2594    if (legacy_result.LCR &&
2595        !convertLegacyIeToHidl(*legacy_result.LCR, &hidl_result->lcr)) {
2596        return false;
2597    }
2598    return true;
2599}
2600
2601bool convertLegacyVectorOfRttResultToHidl(
2602    const std::vector<const legacy_hal::wifi_rtt_result*>& legacy_results,
2603    std::vector<RttResult>* hidl_results) {
2604    if (!hidl_results) {
2605        return false;
2606    }
2607    *hidl_results = {};
2608    for (const auto legacy_result : legacy_results) {
2609        RttResult hidl_result;
2610        if (!convertLegacyRttResultToHidl(*legacy_result, &hidl_result)) {
2611            return false;
2612        }
2613        hidl_results->push_back(hidl_result);
2614    }
2615    return true;
2616}
2617}  // namespace hidl_struct_util
2618}  // namespace implementation
2619}  // namespace V1_2
2620}  // namespace wifi
2621}  // namespace hardware
2622}  // namespace android
2623