virtual int handleResponse(WifiEvent& reply) {
        ALOGD("In SetAlertHandler::handleResponse");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = reply.get_vendor_data_len();

        ALOGD("len = %d", len);
        if (vendor_data == NULL || len == 0) {
            ALOGE("no vendor data in memory dump response; ignoring it");
            return NL_SKIP;
        }

        for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
            if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_DATA) {
                ALOGI("Initiating alert callback");
                if (mHandler.on_alert) {
                    (*mHandler.on_alert)(id(), mBuff, mBuffSize, mErrCode);
                }
                if (mBuff) {
                    free(mBuff);
                    mBuff = NULL;
                }
            }
        }
        return NL_OK;
    }
    virtual int handleEvent(WifiEvent& event) {
        ALOGD("[WIFI HAL]Hotlist AP event");
        int event_id = event.get_vendor_subcmd();
        // event.log();

        struct nlattr *vendor_data = (struct nlattr *)event.get_vendor_data();
        int len = event.get_vendor_data_len();

        if (vendor_data == NULL || len == 0) {
            ALOGI("No scan results found");
            return NL_SKIP;
        }

        memset(mResults, 0, sizeof(wifi_scan_result) * MAX_RESULTS);

        int num = len / sizeof(wifi_scan_result);
        num = min(MAX_RESULTS, num);
        ALOGD("hotlist APs num=%d, vendor len=%d, sizeof()=%d, nla_len=%d nla_type=%d", 
            num, len, sizeof(wifi_scan_result), vendor_data->nla_len, vendor_data->nla_type);
        if(vendor_data->nla_type == GSCAN_EVENT_HOTLIST_RESULTS_LOST
           || vendor_data->nla_type == GSCAN_EVENT_HOTLIST_RESULTS_FOUND)
            memcpy(mResults, nla_data(vendor_data), num * sizeof(wifi_scan_result));

        if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_FOUND) {
            ALOGI("FOUND %d hotlist APs", num);
            if (*mHandler.on_hotlist_ap_found)
                (*mHandler.on_hotlist_ap_found)(id(), num, mResults);
        } else if (event_id == GSCAN_EVENT_HOTLIST_RESULTS_LOST) {
            ALOGI("LOST %d hotlist APs", num);
            if (*mHandler.on_hotlist_ap_lost)
                (*mHandler.on_hotlist_ap_lost)(id(), num, mResults);
        }
        return NL_SKIP;
    }
    virtual int handleResponse(WifiEvent& reply) {

        ALOGD("In GetCapabilities::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();
        int wiphy_id = reply.get_u32(NL80211_ATTR_WIPHY);
		int if_id = reply.get_u32(NL80211_ATTR_IFINDEX);

		struct nlattr *vendor_data = (struct nlattr *)reply.get_vendor_data();
        int len = reply.get_vendor_data_len();
		void *payload = NULL;
		if(vendor_data->nla_type == NL80211_ATTR_VENDOR_CAPABILITIES)
		{
			payload = nla_data(vendor_data);
			len -= NLA_HDRLEN;
		}

        ALOGD("wiphy_id=%d, if_id=%d, Id = %0x, subcmd = %d, len = %d, expected len = %d", wiphy_id, if_id, id, subcmd, len,
                    sizeof(*mCapabilities));
		if(payload)
        	memcpy(mCapabilities, payload, min(len, (int) sizeof(*mCapabilities)));

		ALOGI("%s: max_scan_cache_size=%d, %d, %d, %d, %d, %d, %d, max_bssid_history_entries=%d", __func__,
			mCapabilities->max_scan_cache_size, mCapabilities->max_scan_buckets, mCapabilities->max_ap_cache_per_scan,
			mCapabilities->max_rssi_sample_size, mCapabilities->max_scan_reporting_threshold, mCapabilities->max_hotlist_aps,
			mCapabilities->max_significant_wifi_change_aps, mCapabilities->max_bssid_history_entries);

        return NL_OK;
    }
    virtual int handleResponse(WifiEvent& reply) {
        ALOGD("In MKeepAliveCommand::handleResponse");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        switch (mType) {
            case START_MKEEP_ALIVE:
            case STOP_MKEEP_ALIVE:
                break;

            default:
                ALOGW("Unknown mkeep_alive command");
        }
        return NL_OK;
    }
    virtual int handleEvent(WifiEvent& event) {
        ALOGD("[WIFI HAL]Got a significant wifi change event");

        struct nlattr *vendor_data = (struct nlattr *)event.get_vendor_data();
        int len = event.get_vendor_data_len();

        if (vendor_data == NULL || len == 0) {
            ALOGI("No scan results found");
            return NL_SKIP;
        }

        typedef struct {
            uint16_t flags;
            uint16_t channel;
            mac_addr bssid;
            s8 rssi_history[8];
        } ChangeInfo;

        int num = min(len / sizeof(ChangeInfo), MAX_RESULTS);
        ChangeInfo *ci;
        if(vendor_data->nla_type == GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS)
            ci = (ChangeInfo *)nla_data(vendor_data);

        for (int i = 0; i < num; i++) {
            memcpy(mResultsBuffer[i].bssid, ci[i].bssid, sizeof(mac_addr));
            mResultsBuffer[i].channel = ci[i].channel;
            mResultsBuffer[i].num_rssi = 8;
            for (int j = 0; j < mResultsBuffer[i].num_rssi; j++)
                mResultsBuffer[i].rssi[j] = (int) ci[i].rssi_history[j];
            mResults[i] = reinterpret_cast<wifi_significant_change_result *>(&(mResultsBuffer[i]));
        }

        ALOGI("Retrieved %d scan results, vendor len=%d nla_type=%d", num, len, vendor_data->nla_type);

        if (num != 0) {
            (*mHandler.on_significant_change)(id(), num, mResults);
        } else {
            ALOGW("No significant change reported");
        }

        return NL_SKIP;
    }
    virtual int handleEvent(WifiEvent& event) {
        char *buffer = NULL;
        int buffer_size = 0;

        // ALOGD("In SetLogHandler::handleEvent");
        nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = event.get_vendor_data_len();
        int event_id = event.get_vendor_subcmd();
        // ALOGI("Got Logger event: %d", event_id);

        if (vendor_data == NULL || len == 0) {
            ALOGE("No Debug data found");
            return NL_SKIP;
        }

        if(event_id == GOOGLE_DEBUG_RING_EVENT) {
            wifi_ring_buffer_status status;
            memset(&status, 0, sizeof(status));

            for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
                if (it.get_type() == LOGGER_ATTRIBUTE_RING_STATUS) {
                    memcpy(&status, it.get_data(), sizeof(status));
                } else if (it.get_type() == LOGGER_ATTRIBUTE_RING_DATA) {
                    buffer_size = it.get_len();
                    buffer = (char *)it.get_data();
                } else {
                    ALOGW("Ignoring invalid attribute type = %d, size = %d",
                            it.get_type(), it.get_len());
                }
            }

            // ALOGI("Retrieved Debug data");
            if (mHandler.on_ring_buffer_data) {
                (*mHandler.on_ring_buffer_data)((char *)status.name, buffer, buffer_size,
                        &status);
            }
        } else {
            ALOGE("Unknown Event");
            return NL_SKIP;
        }
        return NL_OK;
    }
    virtual int handleEvent(WifiEvent& event) {
        ALOGD("[WIFI HAL]Got a scan results event");

        // event.log();

        struct nlattr *vendor_data = (struct nlattr *)event.get_vendor_data();
        int len = event.get_vendor_data_len();
        int event_id = event.get_vendor_subcmd();

        ALOGD("vendor_data->nla_type=%d nla_len=%d, len=%d, event_id=%d",
            vendor_data->nla_type, vendor_data->nla_len, len, event_id);

        if(event_id == GSCAN_EVENT_COMPLETE_SCAN) {
            if (vendor_data == NULL || vendor_data->nla_len != 8) {
                ALOGE("Scan complete type not mentioned!");
                return NL_SKIP;
            }
            wifi_scan_event evt_type = WIFI_SCAN_BUFFER_FULL;

			if(vendor_data->nla_type == GSCAN_EVENT_COMPLETE_SCAN)
            	evt_type = (wifi_scan_event) nla_get_u32(vendor_data);
            ALOGD("Scan complete: Received event type %d", evt_type);
            if(*mHandler.on_scan_event)
                (*mHandler.on_scan_event)(evt_type, evt_type);
        } else {
            if (vendor_data == NULL || vendor_data->nla_len != 8) {
                ALOGE("No scan results found");
                return NL_SKIP;
            }

			int num = 0;

			if(vendor_data->nla_type == GSCAN_EVENT_SCAN_RESULTS_AVAILABLE)
            	num = nla_get_u32(vendor_data);
            ALOGD("Found %d scan results, ", num);
            if(*mHandler.on_scan_results_available)
                (*mHandler.on_scan_results_available)(id(), num);
        }
        return NL_SKIP;
    }
    virtual int handleEvent(WifiEvent& event) {
        ALOGD("[WIFI HAL]Full scan results:  Got an event");

        // event.log();

        struct nlattr *vendor_data = (struct nlattr *)event.get_vendor_data();
        unsigned int len = event.get_vendor_data_len();

        if (vendor_data == NULL || len < sizeof(wifi_scan_result)) {
            ALOGE("No scan results found");
            return NL_SKIP;
        }

        ALOGD("vendor_data->nla_type=%d nla_len=%d, len=%d",
            vendor_data->nla_type, vendor_data->nla_len, len);

        wifi_scan_result *result = NULL;
        if(vendor_data->nla_type == GSCAN_EVENT_FULL_SCAN_RESULTS)
            result = (wifi_scan_result *)nla_data(vendor_data);

        if(*mHandler.on_full_scan_result)
            (*mHandler.on_full_scan_result)(id(), result);

		if(result)
        {
            ALOGI("FullScanResults SSID: %-32s\t", result->ssid);

            ALOGI("%02x:%02x:%02x:%02x:%02x:%02x ", result->bssid[0], result->bssid[1],
                    result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]);

            ALOGI("%d\t", result->rssi);
            ALOGI("%d\t", result->channel);
            ALOGI("%lld\t", result->ts);
            ALOGI("%lld\t", result->rtt);
            ALOGI("%lld\n", result->rtt_sd);
        }

        return NL_SKIP;
    }
    virtual int handleResponse(WifiEvent& reply) {

        // ALOGI("In GetLinkStatsCommand::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();

        // ALOGI("Id = %0x, subcmd = %d", id, subcmd);

        void *data = reply.get_vendor_data();
        int len = reply.get_vendor_data_len();
        wifi_radio_stat *radio_stat =
            convertToExternalRadioStatStructure((wifi_radio_stat_internal *)data);
        if (!radio_stat) {
            ALOGE("Invalid stats pointer received");
            return NL_SKIP;
        }
        if (radio_stat->num_channels > 11) {
            ALOGE("Incorrect number of channels = %d", radio_stat->num_channels);
            // dump data before num_channels
            ALOGE("radio: = %d", radio_stat->radio);
            ALOGE("on_time: = %d", radio_stat->on_time);
            ALOGE("tx_time: = %d", radio_stat->tx_time);
            ALOGE("rx_time: = %d", radio_stat->rx_time);
            ALOGE("on_time_scan: = %d", radio_stat->on_time_scan);
            ALOGE("on_time_nbd: = %d", radio_stat->on_time_nbd);
            ALOGE("on_time_gscan: = %d", radio_stat->on_time_gscan);
            ALOGE("on_time_pno_scan: = %d", radio_stat->on_time_pno_scan);
            ALOGE("on_time_hs20: = %d", radio_stat->on_time_hs20);
            free(radio_stat);
            return NL_SKIP;
        }
        wifi_iface_stat *iface_stat =
            (wifi_iface_stat *)((char *)&((wifi_radio_stat_internal *)data)->channels
                + radio_stat->num_channels * sizeof(wifi_channel_stat));
        (*mHandler.on_link_stats_results)(id, iface_stat, 1, radio_stat);
        free(radio_stat);
        return NL_OK;
    }
    int handleResponse(WifiEvent& reply) {
        ALOGD("In GetPktFateCommand::handleResponse\n");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGI("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        int id = reply.get_vendor_id();
        int subcmd = reply.get_vendor_subcmd();
        nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = reply.get_vendor_data_len();

        ALOGI("Id = %0x, subcmd = %d, len = %d", id, subcmd, len);

        if (mReqType == TX_PACKET_FATE) {
            ALOGI("Response recieved for get TX pkt fate command\n");
        } else if (mReqType == RX_PACKET_FATE) {
            ALOGI("Response recieved for get RX pkt fate command\n");
        } else if (mReqType == PACKET_MONITOR_START) {
            ALOGI("Response recieved for monitor pkt fate command\n");
            return NL_OK;
        } else {
            ALOGE("Response recieved for unknown pkt fate command\n");
            return NL_SKIP;
        }

        if (vendor_data == NULL || len == 0) {
            ALOGE("no vendor data in GetPktFateCommand response; ignoring it\n");
            return NL_SKIP;
        }

        for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
            if (it.get_type() == LOGGER_ATTRIBUTE_PKT_FATE_NUM) {
                *mNoProvidedFates = it.get_u32();
                ALOGI("No: of pkt fates provided is %d\n", *mNoProvidedFates);
            } else {
                ALOGE("Ignoring invalid attribute type = %d, size = %d\n",
                        it.get_type(), it.get_len());
            }
        }

        return NL_OK;
    }
    virtual int handleResponse(WifiEvent& reply) {

        ALOGD("[WIFI HAL]In GetChannelList::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();
        int num_channels_to_copy = 0;

        nlattr *vendor = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = reply.get_vendor_data_len();

        ALOGD("Id = %0x, subcmd = %d, len = %d", id, subcmd, len);
        if (vendor == NULL || len == 0) {
            ALOGE("no vendor data in GetChannelList response; ignoring it");
            return NL_SKIP;
        }

        for (nl_iterator it(vendor); it.has_next(); it.next()) {
            if (it.get_type() == GSCAN_ATTRIBUTE_NUM_CHANNELS) {
                num_channels_to_copy = it.get_u32();
                ALOGI("Got channel list with %d channels", num_channels_to_copy);
                if(num_channels_to_copy > max_channels)
                    num_channels_to_copy = max_channels;
                *num_channels = num_channels_to_copy;
            } else if (it.get_type() == GSCAN_ATTRIBUTE_CHANNEL_LIST && num_channels_to_copy) {
                memcpy(channels, it.get_data(), sizeof(int) * num_channels_to_copy);
                if(channels)
                    ALOGD("channel[0]=%d, ", channels[0]);
            } else {
                ALOGW("Ignoring invalid attribute type = %d, size = %d",
                        it.get_type(), it.get_len());
            }
        }

        return NL_OK;
    }
    virtual int handleResponse(WifiEvent& reply) {
        ALOGD("In GetScanResultsCommand::handleResponse");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGE("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        int id = reply.get_vendor_id();
        int subcmd = reply.get_vendor_subcmd();

        /*
        if (subcmd != GSCAN_SUBCMD_SCAN_RESULTS) {
            ALOGE("Invalid response to GetScanResultsCommand; ignoring it");
            return NL_SKIP;
        }
        */

        nlattr *vendor = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = reply.get_vendor_data_len();
		ALOGD("Id = %0x, subcmd = %d, vendor=%p, get_vendor_data()=%p vendor->nla_type=%d len=%d", 
			id, subcmd, vendor, reply.get_vendor_data(), vendor->nla_type, len);

        if (vendor == NULL || len == 0) {
            ALOGE("no vendor data in GetScanResults response; ignoring it");
            return NL_SKIP;
        }

        for (nl_iterator it(vendor); it.has_next(); it.next()) {
            if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE) {
                mCompleted = it.get_u8();
                ALOGI("retrieved mCompleted flag : %d", mCompleted);
            } else if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS || it.get_type() == 0) {
                for (nl_iterator it2(it.get()); it2.has_next(); it2.next()) {
                    int scan_id = 0, flags = 0, num = 0;
                    if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_ID) {
                        scan_id = it.get_u32();
                    } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_FLAGS) {
                        flags = it.get_u8();
                    } else if (it2.get_type() == GSCAN_ATTRIBUTE_NUM_OF_RESULTS) {
                        num = it2.get_u32();
                    } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS) {
                        num = it2.get_len() / sizeof(wifi_scan_result);
                        num = min(*mNum - mRetrieved, num);
                        memcpy(mResults + mRetrieved, it2.get_data(),
                                sizeof(wifi_scan_result) * num);
                        ALOGD("Retrieved %d scan results", num);
                        wifi_scan_result *results = (wifi_scan_result *)it2.get_data();
                        for (int i = 0; i < num; i++) {
                            wifi_scan_result *result = results + i;
                            ALOGD("%02d  %-32s  %02x:%02x:%02x:%02x:%02x:%02x  %04d channel=%d", i,
                                result->ssid, result->bssid[0], result->bssid[1], result->bssid[2],
                                result->bssid[3], result->bssid[4], result->bssid[5],
                                result->rssi, result->channel);
                        }
                        mRetrieved += num;
                    } else {
                        ALOGW("Ignoring invalid attribute type = %d, size = %d",
                                it.get_type(), it.get_len());
                    }
                }
            } else {
                ALOGW("Ignoring invalid attribute type = %d, size = %d",
                        it.get_type(), it.get_len());
            }
        }

        return NL_OK;
    }
    virtual int handleResponse(WifiEvent& reply) {
        ALOGD("In MemoryDumpCommand::handleResponse");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = reply.get_vendor_data_len();

        ALOGD("len = %d", len);
        if (vendor_data == NULL || len == 0) {
            ALOGE("no vendor data in memory dump response; ignoring it");
            return NL_SKIP;
        }

        for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
            if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_LEN) {
                mBuffSize = it.get_u32();

                if (mBuff)
                    free(mBuff);
                mBuff = (char *)malloc(mBuffSize);
                if (!mBuff) {
                    ALOGE("Buffer allocation failed");
                    return NL_SKIP;
                }
                WifiRequest request(familyId(), ifaceId());
                int result = request.create(GOOGLE_OUI, LOGGER_GET_MEM_DUMP);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to create get memory dump request; result = %d", result);
                    free(mBuff);
                    return NL_SKIP;
                }

                nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
                result = request.put_u32(LOGGER_ATTRIBUTE_FW_DUMP_LEN, mBuffSize);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to put get memory dump request; result = %d", result);
                    return result;
                }

                result = request.put_u64(LOGGER_ATTRIBUTE_FW_DUMP_DATA, (uint64_t)mBuff);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to put get memory dump request; result = %d", result);
                    return result;
                }
                request.attr_end(data);

                result = requestResponse(request);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to register get momory dump response; result = %d", result);
                }
            } else if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_DATA) {
                ALOGI("Initiating memory dump callback");
                if (mHandler.on_firmware_memory_dump) {
                    (*mHandler.on_firmware_memory_dump)(mBuff, mBuffSize);
                }
                if (mBuff) {
                    free(mBuff);
                    mBuff = NULL;
                }
            } else {
                ALOGW("Ignoring invalid attribute type = %d, size = %d",
                        it.get_type(), it.get_len());
            }
        }
        return NL_OK;
    }
    virtual int handleEvent(WifiEvent& event) {
        wifi_ring_buffer_id ring_id;
        char *buffer = NULL;
        int buffer_size = 0;


        nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA);
        int len = event.get_vendor_data_len();
        int event_id = event.get_vendor_subcmd();
        ALOGI("Got event: %d", event_id);

        if (vendor_data == NULL || len == 0) {
            ALOGE("No Debug data found");
            return NL_SKIP;
        }

        if (event_id == GOOGLE_DEBUG_MEM_DUMP_EVENT) {
            for (nl_iterator it(vendor_data); it.has_next(); it.next()) {
                if (it.get_type() == LOGGER_ATTRIBUTE_FW_DUMP_LEN) {
                    mBuffSize = it.get_u32();
                } else if (it.get_type() == LOGGER_ATTRIBUTE_RING_DATA) {
                    buffer_size = it.get_len();
                    buffer = (char *)it.get_data();
            /*
                } else if (it.get_type() == LOGGER_ATTRIBUTE_FW_ERR_CODE) {
                    mErrCode = it.get_u32();
            */
                } else {
                    ALOGW("Ignoring invalid attribute type = %d, size = %d",
                            it.get_type(), it.get_len());
                }
            }
            if (mBuffSize) {
                ALOGD("dump size: %d meta data size: %d", mBuffSize, buffer_size);
                if (mBuff) free(mBuff);
                mBuff = (char *)malloc(mBuffSize + buffer_size);
                if (!mBuff) {
                    ALOGE("Buffer allocation failed");
                    return NL_SKIP;
                }
                memcpy(mBuff, buffer, buffer_size);

                WifiRequest request(familyId(), ifaceId());
                int result = request.create(GOOGLE_OUI, LOGGER_GET_MEM_DUMP);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to create get memory dump request; result = %d", result);
                    free(mBuff);
                    return NL_SKIP;
                }
                nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA);
                result = request.put_u32(LOGGER_ATTRIBUTE_FW_DUMP_LEN, mBuffSize);
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to put get memory dump request; result = %d", result);
                    return result;
                }

                result = request.put_u64(LOGGER_ATTRIBUTE_FW_DUMP_DATA,
                         (uint64_t)(mBuff+buffer_size));
                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to put get memory dump request; result = %d", result);
                    return result;
                }

                request.attr_end(data);
                mBuffSize += buffer_size;

                result = requestResponse(request);

                if (result != WIFI_SUCCESS) {
                    ALOGE("Failed to register get momory dump response; result = %d", result);
                }
            } else {
                ALOGE("dump event missing dump length attribute");
                return NL_SKIP;
            }
        }
        return NL_OK;
    }
    virtual int handleResponse(WifiEvent& reply) {
        ALOGD("In DebugCommand::handleResponse");

        if (reply.get_cmd() != NL80211_CMD_VENDOR) {
            ALOGD("Ignoring reply with cmd = %d", reply.get_cmd());
            return NL_SKIP;
        }

        switch (mType) {
            case GET_DRV_VER:
            case GET_FW_VER:
            {
                void *data = reply.get_vendor_data();
                int len = reply.get_vendor_data_len();

                ALOGD("len = %d, expected len = %d", len, *mBuffSize);
                memcpy(mBuff, data, min(len, *mBuffSize));
                if (*mBuffSize < len)
                    return NL_SKIP;
                *mBuffSize = len;
                break;
            }

            case START_RING_LOG:
            case GET_RING_DATA:
                break;

            case GET_RING_STATUS:
            {
                nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA);
                int len = reply.get_vendor_data_len();
                wifi_ring_buffer_status *status(mStatus);

                if (vendor_data == NULL || len == 0) {
                    ALOGE("No Debug data found");
                    return NL_SKIP;
                }

                nl_iterator it(vendor_data);
                if (it.get_type() == LOGGER_ATTRIBUTE_RING_NUM) {
                    unsigned int num_rings = it.get_u32();
                    if (*mNumRings < num_rings) {
                        ALOGE("Not enough status buffers provided, available: %d required: %d",
                                *mNumRings, num_rings);
                    } else {
                        *mNumRings = num_rings;
                    }
                } else {
                    ALOGE("Unknown attribute: %d expecting %d",
                            it.get_type(), LOGGER_ATTRIBUTE_RING_NUM);
                    return NL_SKIP;
                }

                it.next();
                for (unsigned int i = 0; it.has_next() && i < *mNumRings; it.next()) {
                    if (it.get_type() == LOGGER_ATTRIBUTE_RING_STATUS) {
                        memcpy(status, it.get_data(), sizeof(wifi_ring_buffer_status));
                        i++;
                        status++;
                    } else {
                        ALOGW("Ignoring invalid attribute type = %d, size = %d",
                                it.get_type(), it.get_len());
                    }
                }
                break;
            }

            case GET_FEATURE:
            {
                void *data = reply.get_vendor_data();
                int len = reply.get_vendor_data_len();

                ALOGD("len = %d, expected len = %d", len, sizeof(unsigned int));
                memcpy(mSupport, data, sizeof(unsigned int));
                break;
            }

            default:
                ALOGW("Unknown Debug command");
        }
        return NL_OK;
    }