| #include <stdint.h> |
| #include <fcntl.h> |
| #include <sys/socket.h> |
| #include <netlink/genl/genl.h> |
| #include <netlink/genl/family.h> |
| #include <netlink/genl/ctrl.h> |
| #include <linux/rtnetlink.h> |
| #include <netpacket/packet.h> |
| #include <linux/filter.h> |
| #include <linux/errqueue.h> |
| |
| #include <linux/pkt_sched.h> |
| #include <netlink/object-api.h> |
| #include <netlink/netlink.h> |
| #include <netlink/socket.h> |
| |
| #include <string> |
| #include "nl80211_copy.h" |
| |
| #include "sync.h" |
| |
| #include <utils/Log.h> |
| |
| #include "wifi_hal.h" |
| #include "common.h" |
| #include "cpp_bindings.h" |
| using namespace std; |
| |
| typedef enum { |
| SLSI_RTT_ATTRIBUTE_TARGET_CNT = 0, |
| SLSI_RTT_ATTRIBUTE_TARGET_INFO, |
| SLSI_RTT_ATTRIBUTE_TARGET_MAC, |
| SLSI_RTT_ATTRIBUTE_TARGET_TYPE, |
| SLSI_RTT_ATTRIBUTE_TARGET_PEER, |
| SLSI_RTT_ATTRIBUTE_TARGET_CHAN_WIDTH, |
| SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ, |
| SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ0, |
| SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ1, |
| SLSI_RTT_ATTRIBUTE_TARGET_PERIOD, |
| SLSI_RTT_ATTRIBUTE_TARGET_NUM_BURST, |
| SLSI_RTT_ATTRIBUTE_TARGET_NUM_FTM_BURST, |
| SLSI_RTT_ATTRIBUTE_TARGET_NUM_RETRY_FTM, |
| SLSI_RTT_ATTRIBUTE_TARGET_NUM_RETRY_FTMR, |
| SLSI_RTT_ATTRIBUTE_TARGET_LCI, |
| SLSI_RTT_ATTRIBUTE_TARGET_LCR, |
| SLSI_RTT_ATTRIBUTE_TARGET_BURST_DURATION, |
| SLSI_RTT_ATTRIBUTE_TARGET_PREAMBLE, |
| SLSI_RTT_ATTRIBUTE_TARGET_BW, |
| SLSI_RTT_ATTRIBUTE_RESULTS_COMPLETE = 30, |
| SLSI_RTT_ATTRIBUTE_RESULTS_PER_TARGET, |
| SLSI_RTT_ATTRIBUTE_RESULT_CNT, |
| SLSI_RTT_ATTRIBUTE_RESULT, |
| SLSI_RTT_ATTRIBUTE_TARGET_ID |
| } SLSI_RTT_ATTRIBUTE; |
| |
| enum slsi_rtt_event_attributes { |
| SLSI_RTT_EVENT_ATTR_ADDR = 0, |
| SLSI_RTT_EVENT_ATTR_BURST_NUM, |
| SLSI_RTT_EVENT_ATTR_MEASUREMENT_NUM, |
| SLSI_RTT_EVENT_ATTR_SUCCESS_NUM, |
| SLSI_RTT_EVENT_ATTR_NUM_PER_BURST_PEER, |
| SLSI_RTT_EVENT_ATTR_STATUS, |
| SLSI_RTT_EVENT_ATTR_RETRY_AFTER_DURATION, |
| SLSI_RTT_EVENT_ATTR_TYPE, |
| SLSI_RTT_EVENT_ATTR_RSSI, |
| SLSI_RTT_EVENT_ATTR_RSSI_SPREAD, |
| SLSI_RTT_EVENT_ATTR_TX_PREAMBLE, |
| SLSI_RTT_EVENT_ATTR_TX_NSS, |
| SLSI_RTT_EVENT_ATTR_TX_BW, |
| SLSI_RTT_EVENT_ATTR_TX_MCS, |
| SLSI_RTT_EVENT_ATTR_TX_RATE, |
| SLSI_RTT_EVENT_ATTR_RX_PREAMBLE, |
| SLSI_RTT_EVENT_ATTR_RX_NSS, |
| SLSI_RTT_EVENT_ATTR_RX_BW, |
| SLSI_RTT_EVENT_ATTR_RX_MCS, |
| SLSI_RTT_EVENT_ATTR_RX_RATE, |
| SLSI_RTT_EVENT_ATTR_RTT, |
| SLSI_RTT_EVENT_ATTR_RTT_SD, |
| SLSI_RTT_EVENT_ATTR_RTT_SPREAD, |
| SLSI_RTT_EVENT_ATTR_DISTANCE_MM, |
| SLSI_RTT_EVENT_ATTR_DISTANCE_SD_MM, |
| SLSI_RTT_EVENT_ATTR_DISTANCE_SPREAD_MM, |
| SLSI_RTT_EVENT_ATTR_TIMESTAMP_US, |
| SLSI_RTT_EVENT_ATTR_BURST_DURATION_MSN, |
| SLSI_RTT_EVENT_ATTR_NEGOTIATED_BURST_NUM, |
| SLSI_RTT_EVENT_ATTR_LCI, |
| SLSI_RTT_EVENT_ATTR_LCR |
| }; |
| |
| struct dot11_rm_ie { |
| u8 id; |
| u8 len; |
| u8 token; |
| u8 mode; |
| u8 type; |
| } __attribute__ ((packed)); |
| typedef struct dot11_rm_ie dot11_rm_ie_t; |
| typedef struct strmap_entry { |
| int id; |
| string text; |
| } strmap_entry_t; |
| |
| static const strmap_entry_t err_info[] = { |
| {RTT_STATUS_SUCCESS, string("Success")}, |
| {RTT_STATUS_FAILURE, string("Failure")}, |
| {RTT_STATUS_FAIL_NO_RSP, string("No reponse")}, |
| {RTT_STATUS_FAIL_INVALID_TS, string("Invalid Timestamp")}, |
| {RTT_STATUS_FAIL_PROTOCOL, string("Protocol error")}, |
| {RTT_STATUS_FAIL_REJECTED, string("Rejected")}, |
| {RTT_STATUS_FAIL_NOT_SCHEDULED_YET, string("not scheduled")}, |
| {RTT_STATUS_FAIL_SCHEDULE, string("schedule failed")}, |
| {RTT_STATUS_FAIL_TM_TIMEOUT, string("timeout")}, |
| {RTT_STATUS_FAIL_AP_ON_DIFF_CHANNEL, string("AP is on difference channel")}, |
| {RTT_STATUS_FAIL_NO_CAPABILITY, string("no capability")}, |
| {RTT_STATUS_FAIL_BUSY_TRY_LATER, string("busy and try later")}, |
| {RTT_STATUS_ABORTED, string("aborted")} |
| }; |
| /*static const string get_err_info(int status) |
| { |
| int i; |
| const strmap_entry_t *p_entry; |
| int num_entries = sizeof(err_info)/ sizeof(err_info[0]); |
| * scan thru the table till end |
| p_entry = err_info; |
| for (i = 0; i < (int) num_entries; i++) |
| { |
| if (p_entry->id == status) |
| return p_entry->text; |
| p_entry++; * next entry |
| } |
| return "unknown error"; * not found |
| }*/ |
| class RttCommand : public WifiCommand |
| { |
| int rtt_id; |
| unsigned numTargetDevice; |
| int mCompleted; |
| int currentIdx; |
| int totalCnt; |
| static const int MAX_RESULTS = 1024; |
| wifi_rtt_result *rttResults[MAX_RESULTS]; |
| wifi_rtt_config *rttParams; |
| wifi_rtt_event_handler rttHandler; |
| public: |
| RttCommand(wifi_interface_handle iface, int id, unsigned num_rtt_config, |
| wifi_rtt_config rtt_config[], wifi_rtt_event_handler handler) |
| : WifiCommand(iface, id), rtt_id(id), numTargetDevice(num_rtt_config), rttParams(rtt_config), |
| rttHandler(handler) |
| { |
| memset(rttResults, 0, sizeof(rttResults)); |
| currentIdx = 0; |
| mCompleted = 0; |
| totalCnt = 0; |
| } |
| |
| RttCommand(wifi_interface_handle iface, int id) |
| : WifiCommand(iface, id), rtt_id(id), rttParams(NULL) |
| { |
| rttHandler.on_rtt_results = NULL; |
| memset(rttResults, 0, sizeof(rttResults)); |
| currentIdx = 0; |
| mCompleted = 0; |
| totalCnt = 0; |
| numTargetDevice = 0; |
| } |
| int createSetupRequest(WifiRequest& request) { |
| int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RTT_RANGE_START); |
| if (result < 0) { |
| return result; |
| } |
| nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_ID, rtt_id); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_CNT, numTargetDevice); |
| ALOGI("numTargetDevice %d\n",numTargetDevice); |
| if (result < 0) { |
| return result; |
| } |
| nlattr *rtt_config = request.attr_start(SLSI_RTT_ATTRIBUTE_TARGET_INFO); |
| for (unsigned i = 0; i < numTargetDevice; i++) { |
| nlattr *attr2 = request.attr_start(i); |
| |
| result = request.put_addr(SLSI_RTT_ATTRIBUTE_TARGET_MAC, rttParams[i].addr); |
| ALOGI("mac_addr %p\n",rttParams[i].addr); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_TYPE, rttParams[i].type); |
| ALOGI("\trtt_type %d\n",rttParams[i].type); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_PEER, rttParams[i].peer); |
| ALOGI("\trtt_peer %d\n",rttParams[i].peer); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ, rttParams[i].channel.center_freq); |
| ALOGI("\trtt_ primary channel_freq %d\n",rttParams[i].channel.center_freq); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_CHAN_WIDTH, rttParams[i].channel.width); |
| ALOGI("\trtt_channel width:%d\n",rttParams[i].channel.width); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ0, rttParams[i].channel.center_freq0); |
| ALOGI("\trtt_channel_freq 0:%d\n",rttParams[i].channel.center_freq0); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_CHAN_FREQ1, rttParams[i].channel.center_freq1); |
| ALOGI("\trtt_channel_freq 1: %d\n",rttParams[i].channel.center_freq1); |
| if (result < 0) { |
| return result; |
| } |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_NUM_BURST, rttParams[i].num_burst); |
| ALOGI("\tnum_burst %d\n",rttParams[i].num_burst); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_NUM_FTM_BURST, |
| rttParams[i].num_frames_per_burst); |
| ALOGI("\tnum_frames_per_burst %d\n",rttParams[i].num_frames_per_burst); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_NUM_RETRY_FTM, |
| rttParams[i].num_retries_per_rtt_frame); |
| ALOGI("\tnum_retries_per_rtt_frame %d\n",rttParams[i].num_retries_per_rtt_frame); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_NUM_RETRY_FTMR, |
| rttParams[i].num_retries_per_ftmr); |
| ALOGI("\tnum_retries_per_ftmr %d\n",rttParams[i].num_retries_per_ftmr); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_PERIOD, |
| rttParams[i].burst_period); |
| ALOGI("\tburst_period %d\n",rttParams[i].burst_period); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u8(SLSI_RTT_ATTRIBUTE_TARGET_BURST_DURATION, |
| rttParams[i].burst_duration); |
| ALOGI("\tburst_duration %d\n",rttParams[i].burst_duration); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_LCI, |
| rttParams[i].LCI_request); |
| ALOGI("\tLCI_request %d\n",rttParams[i].LCI_request); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_LCR, |
| rttParams[i].LCR_request); |
| ALOGI("\tLCR_ request%d\n",rttParams[i].LCR_request); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_BW, |
| rttParams[i].bw); |
| ALOGI("\tBW%d\n",rttParams[i].bw); |
| if (result < 0) { |
| return result; |
| } |
| |
| result = request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_PREAMBLE, |
| rttParams[i].preamble); |
| ALOGI("\tpreamble%d\n",rttParams[i].preamble); |
| if (result < 0) { |
| return result; |
| } |
| request.attr_end(attr2); |
| } |
| ALOGE("setup request created"); |
| request.attr_end(rtt_config); |
| request.attr_end(data); |
| return WIFI_SUCCESS; |
| } |
| |
| int createTeardownRequest(WifiRequest& request, unsigned num_devices, mac_addr addr[]) { |
| int result = request.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RTT_RANGE_CANCEL); |
| if (result < 0) { |
| return result; |
| } |
| nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); |
| request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_ID, rtt_id); |
| request.put_u16(SLSI_RTT_ATTRIBUTE_TARGET_CNT, num_devices); |
| for(unsigned i = 0; i < num_devices; i++) { |
| result = request.put_addr(SLSI_RTT_ATTRIBUTE_TARGET_MAC, addr[i]); |
| if (result < 0) { |
| return result; |
| } |
| } |
| request.attr_end(data); |
| return result; |
| } |
| int start() { |
| WifiRequest request(familyId(), ifaceId()); |
| int result = createSetupRequest(request); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to create setup request; result = %d", result); |
| return result; |
| } |
| |
| result = requestResponse(request); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to configure RTT setup; result = %d", result); |
| return result; |
| } |
| registerVendorHandler(GOOGLE_OUI, SLSI_RTT_RESULT_EVENT); |
| registerVendorHandler(GOOGLE_OUI, SLSI_RTT_EVENT_COMPLETE); |
| return result; |
| } |
| |
| virtual int cancel() { |
| ALOGD("Stopping RTT"); |
| |
| WifiRequest request(familyId(), ifaceId()); |
| int result = createTeardownRequest(request, 0, NULL); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to create stop request; result = %d", result); |
| } else { |
| result = requestResponse(request); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to stop scan; result = %d", result); |
| } |
| } |
| ALOGE("RTT stopped"); |
| /*This needs to be check */ |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_RESULT_EVENT); |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_EVENT_COMPLETE); |
| return WIFI_SUCCESS; |
| } |
| |
| int cancel_specific(unsigned num_devices, mac_addr addr[]) { |
| ALOGE("Stopping RTT specific"); |
| |
| WifiRequest request(familyId(), ifaceId()); |
| int result = createTeardownRequest(request, num_devices, addr); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to create stop request; result = %d", result); |
| } else { |
| result = requestResponse(request); |
| if (result != WIFI_SUCCESS) { |
| ALOGE("failed to stop RTT; result = %d", result); |
| } |
| } |
| ALOGE("Specific RTT stopped"); |
| /*This needs to be check */ |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_RESULT_EVENT); |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_EVENT_COMPLETE); |
| return WIFI_SUCCESS; |
| } |
| |
| virtual int handleResponse(WifiEvent& reply) { |
| /* Nothing to do on response! */ |
| return NL_SKIP; |
| } |
| |
| virtual int handleEvent(WifiEvent& event) { |
| currentIdx=0; |
| nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA); |
| int event_id = event.get_vendor_subcmd(); |
| ALOGD("Got an RTT event with id:%d\n",event_id); |
| if(event_id == SLSI_RTT_EVENT_COMPLETE) { |
| ALOGD("RTT event complete\n"); |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_RESULT_EVENT); |
| WifiCommand *cmd = wifi_unregister_cmd(wifiHandle(), id()); |
| if (cmd) |
| cmd->releaseRef(); |
| } else if (event_id == SLSI_RTT_RESULT_EVENT) { |
| int result_cnt = 0; |
| int rtt_id = 0; |
| ALOGD("RTT result event\n"); |
| for (nl_iterator it(vendor_data); it.has_next(); it.next()) { |
| if (it.get_type() == SLSI_RTT_ATTRIBUTE_RESULT_CNT) { |
| result_cnt = it.get_u16(); |
| ALOGD("RTT results count : %d\n", result_cnt); |
| } else if (it.get_type() == SLSI_RTT_ATTRIBUTE_TARGET_ID) { |
| rtt_id = it.get_u16(); |
| ALOGD("RTT target id : %d\n", rtt_id); |
| } else if (it.get_type() == SLSI_RTT_ATTRIBUTE_RESULT) { |
| ALOGD("RTT result attribute : %d\n", SLSI_RTT_ATTRIBUTE_RESULT); |
| rttResults[currentIdx] = (wifi_rtt_result *)malloc(sizeof(wifi_rtt_result)); |
| wifi_rtt_result *rtt_result = rttResults[currentIdx]; |
| if (rtt_result == NULL) { |
| ALOGE("failed to allocate the wifi_rtt_result\n"); |
| unregisterVendorHandler(GOOGLE_OUI, SLSI_RTT_RESULT_EVENT); |
| break; |
| } |
| for(nl_iterator nl_nested_itr((struct nlattr *)it.get()); nl_nested_itr.has_next(); nl_nested_itr.next()) { |
| if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_ADDR) { |
| memcpy(rtt_result->addr, nl_nested_itr.get_data(), nl_nested_itr.get_len()); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_BURST_NUM) { |
| rtt_result->burst_num = (unsigned)nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_MEASUREMENT_NUM) { |
| rtt_result->measurement_number = (unsigned)nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_SUCCESS_NUM) { |
| rtt_result->success_number = (unsigned)nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_NUM_PER_BURST_PEER) { |
| rtt_result->number_per_burst_peer = (byte)nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_STATUS) { |
| rtt_result->status = (wifi_rtt_status)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RETRY_AFTER_DURATION) { |
| rtt_result->retry_after_duration = (byte)nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TYPE) { |
| rtt_result->type = (wifi_rtt_type)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RSSI) { |
| rtt_result->rssi = (wifi_rssi)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RSSI_SPREAD) { |
| rtt_result->rssi_spread= (wifi_rssi)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TX_PREAMBLE) { |
| rtt_result->tx_rate.preamble = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TX_NSS) { |
| rtt_result->tx_rate.nss = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TX_BW) { |
| rtt_result->tx_rate.bw = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TX_MCS) { |
| rtt_result->tx_rate.rateMcsIdx = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TX_RATE) { |
| rtt_result->tx_rate.bitrate = nl_nested_itr.get_u32(); |
| }else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RX_PREAMBLE) { |
| rtt_result->rx_rate.preamble = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RX_NSS) { |
| rtt_result->rx_rate.nss = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RX_BW) { |
| rtt_result->rx_rate.bw = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RX_MCS) { |
| rtt_result->rx_rate.rateMcsIdx = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RX_RATE) { |
| rtt_result->rx_rate.bitrate = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RTT) { |
| rtt_result->rtt = (wifi_timespan)nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RTT_SD) { |
| rtt_result->rtt_sd = (wifi_timespan)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_RTT_SPREAD) { |
| rtt_result->rtt_spread = (wifi_timespan)nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_DISTANCE_MM) { |
| rtt_result->distance_mm = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_DISTANCE_SD_MM) { |
| rtt_result->distance_sd_mm = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_DISTANCE_SPREAD_MM) { |
| rtt_result->distance_spread_mm = nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_TIMESTAMP_US) { |
| rtt_result->ts = (wifi_timestamp)nl_nested_itr.get_u32(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_BURST_DURATION_MSN) { |
| rtt_result->burst_duration = nl_nested_itr.get_u16(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_NEGOTIATED_BURST_NUM) { |
| rtt_result->negotiated_burst_num = nl_nested_itr.get_u8(); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_LCI) { |
| u8 *lci_ie = (u8 *)nl_nested_itr.get_data(); |
| rtt_result->LCI = (wifi_information_element *)malloc(sizeof(wifi_information_element) + nl_nested_itr.get_len() - 2); |
| rtt_result->LCI->id = lci_ie[0]; |
| rtt_result->LCI->len =lci_ie[1]; |
| memcpy(rtt_result->LCI->data, &lci_ie[2], nl_nested_itr.get_len() - 2); |
| } else if (nl_nested_itr.get_type() == SLSI_RTT_EVENT_ATTR_LCR) { |
| u8 *lcr_ie = (u8 *)nl_nested_itr.get_data(); |
| rtt_result->LCR = (wifi_information_element *)malloc(sizeof(wifi_information_element) + nl_nested_itr.get_len() - 2); |
| rtt_result->LCR->id = lcr_ie[0]; |
| rtt_result->LCR->len =lcr_ie[1]; |
| memcpy(rtt_result->LCR->data, &lcr_ie[2], nl_nested_itr.get_len() - 2); |
| } |
| } |
| currentIdx++; |
| } |
| } |
| (*rttHandler.on_rtt_results)(id() ,currentIdx, rttResults); |
| for (int i = 0; i < currentIdx; i++) { |
| free(rttResults[i]); |
| rttResults[i] = NULL; |
| } |
| currentIdx = 0; |
| } |
| ALOGE("Handled response for rtt config"); |
| return NL_SKIP; |
| } |
| }; |
| class GetRttCapabilitiesCommand : public WifiCommand |
| { |
| wifi_rtt_capabilities *mCapabilities; |
| public: |
| GetRttCapabilitiesCommand(wifi_interface_handle iface, wifi_rtt_capabilities *capabitlites) |
| : WifiCommand(iface, 0), mCapabilities(capabitlites) |
| { |
| memset(mCapabilities, 0, sizeof(*mCapabilities)); |
| } |
| |
| virtual int create() { |
| int ret = mMsg.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RTT_GET_CAPABILITIES); |
| if (ret < 0) { |
| ALOGE("NL message creation failed"); |
| return ret; |
| } |
| |
| return ret; |
| } |
| protected: |
| virtual int handleResponse(WifiEvent& reply) { |
| |
| if (reply.get_cmd() != NL80211_CMD_VENDOR) { |
| ALOGE("Ignoring reply with cmd = %d", reply.get_cmd()); |
| return NL_SKIP; |
| } |
| void *data = reply.get_vendor_data(); |
| int len = reply.get_vendor_data_len(); |
| |
| memcpy(mCapabilities, data, min(len, (int) sizeof(*mCapabilities))); |
| ALOGE("RTT capa response"); |
| return NL_OK; |
| } |
| }; |
| /*class GetRttResponderInfoCommand : public WifiCommand |
| { |
| wifi_rtt_responder* mResponderInfo; |
| public: |
| GetRttResponderInfoCommand(wifi_interface_handle iface, wifi_rtt_responder *responderInfo) |
| : WifiCommand(iface, 0), mResponderInfo(responderInfo) |
| { |
| memset(mResponderInfo, 0 , sizeof(*mResponderInfo)); |
| |
| } |
| |
| virtual int create() { |
| ALOGD("Creating message to get responder info ; iface = %d", mIfaceInfo->id); |
| |
| int ret = mMsg.create(GOOGLE_OUI, SLSI_NL80211_VENDOR_SUBCMD_RTT_GETAVAILCHANNEL); |
| if (ret < 0) { |
| return ret; |
| } |
| |
| // return ret; |
| } |
| |
| protected: |
| virtual int handleResponse(WifiEvent& reply) { |
| |
| ALOGD("In GetRttResponderInfoCommand::handleResponse"); |
| |
| if (reply.get_cmd() != NL80211_CMD_VENDOR) { |
| ALOGD("Ignoring reply with cmd = %d", reply.get_cmd()); |
| return NL_SKIP; |
| } |
| |
| int id = reply.get_vendor_id(); |
| int subcmd = reply.get_vendor_subcmd(); |
| |
| void *data = reply.get_vendor_data(); |
| int len = reply.get_vendor_data_len(); |
| |
| ALOGD("Id = %0x, subcmd = %d, len = %d, expected len = %d", id, subcmd, len, |
| sizeof(*mResponderInfo)); |
| |
| memcpy(mResponderInfo, data, min(len, (int) sizeof(*mResponderInfo))); |
| |
| return NL_OK; |
| } |
| };*/ |
| |
| /* API to request RTT measurement */ |
| wifi_error wifi_rtt_range_request(wifi_request_id id, wifi_interface_handle iface, |
| unsigned num_rtt_config, wifi_rtt_config rtt_config[], wifi_rtt_event_handler handler) |
| { |
| ALOGE("Inside RTT RANGE range request"); |
| wifi_handle handle = getWifiHandle(iface); |
| RttCommand *cmd = new RttCommand(iface, id, num_rtt_config, rtt_config, handler); |
| NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY); |
| wifi_error result = wifi_register_cmd(handle, id, cmd); |
| if (result != WIFI_SUCCESS) { |
| cmd->releaseRef(); |
| return result; |
| } |
| result = (wifi_error)cmd->start(); |
| if (result != WIFI_SUCCESS) { |
| wifi_unregister_cmd(handle, id); |
| cmd->releaseRef(); |
| return result; |
| } |
| ALOGE("wifi range request successfully executed"); |
| return result; |
| } |
| |
| /* API to cancel RTT measurements */ |
| wifi_error wifi_rtt_range_cancel(wifi_request_id id, wifi_interface_handle iface, |
| unsigned num_devices, mac_addr addr[]) |
| { |
| if (!iface) |
| return WIFI_ERROR_UNINITIALIZED; |
| RttCommand *cmd = new RttCommand(iface, id); |
| NULL_CHECK_RETURN(cmd, "memory allocation failure", WIFI_ERROR_OUT_OF_MEMORY); |
| cmd->cancel_specific(num_devices, addr); |
| cmd->releaseRef(); |
| return WIFI_SUCCESS; |
| } |
| |
| /* API to get RTT capability */ |
| wifi_error wifi_get_rtt_capabilities(wifi_interface_handle iface, |
| wifi_rtt_capabilities *capabilities) |
| { |
| ALOGE("Inside get rtt capabilities cap:%p iface:%p", capabilities, iface); |
| if (!iface) |
| return WIFI_ERROR_UNINITIALIZED; |
| GetRttCapabilitiesCommand command(iface, capabilities); |
| return (wifi_error) command.requestResponse(); |
| |
| } |
| /* API to get the responder information */ |
| wifi_error wifi_rtt_get_responder_info(wifi_interface_handle iface, |
| wifi_rtt_responder* responderInfo) |
| { |
| /*GetRttResponderInfoCommand command(iface, responderInfo); |
| return (wifi_error) command.requestResponse();*/ |
| return WIFI_ERROR_NOT_SUPPORTED; |
| |
| } |