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android / platform / hardware / qcom / wlan / bbbf3ea3142aaa0d33d7b356ab00d14971069835 / . / qcwcn / wifi_hal / gscan.cpp
blob: 69a54b07c7a77a9e8bba5a1b744200d89e530618 [file] [log] [blame]
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sync.h"
#define LOG_TAG "WifiHAL"
#include <utils/Log.h>
#include <time.h>
#include <errno.h>
#include <stdlib.h>
#include "common.h"
#include "cpp_bindings.h"
#include "gscancommand.h"
#include "gscan_event_handler.h"
#define GSCAN_EVENT_WAIT_TIME_SECONDS 4
/* Used to handle gscan command events from driver/firmware.*/
typedef struct gscan_event_handlers_s {
GScanCommandEventHandler *gscanStartCmdEventHandler;
GScanCommandEventHandler *gScanSetBssidHotlistCmdEventHandler;
GScanCommandEventHandler *gScanSetSignificantChangeCmdEventHandler;
GScanCommandEventHandler *gScanSetSsidHotlistCmdEventHandler;
GScanCommandEventHandler *gScanSetPnoListCmdEventHandler;
GScanCommandEventHandler *gScanPnoSetPasspointListCmdEventHandler;
} gscan_event_handlers;
wifi_error initializeGscanHandlers(hal_info *info)
{
info->gscan_handlers = (gscan_event_handlers *)malloc(sizeof(gscan_event_handlers));
if (info->gscan_handlers) {
memset(info->gscan_handlers, 0, sizeof(gscan_event_handlers));
}
else {
ALOGE("%s: Allocation of gscan event handlers failed",
__FUNCTION__);
return WIFI_ERROR_OUT_OF_MEMORY;
}
return WIFI_SUCCESS;
}
wifi_error cleanupGscanHandlers(hal_info *info)
{
gscan_event_handlers* event_handlers;
if (info && info->gscan_handlers) {
event_handlers = (gscan_event_handlers*) info->gscan_handlers;
if (event_handlers->gscanStartCmdEventHandler) {
delete event_handlers->gscanStartCmdEventHandler;
}
if (event_handlers->gScanSetBssidHotlistCmdEventHandler) {
delete event_handlers->gScanSetBssidHotlistCmdEventHandler;
}
if (event_handlers->gScanSetSignificantChangeCmdEventHandler) {
delete event_handlers->gScanSetSignificantChangeCmdEventHandler;
}
if (event_handlers->gScanSetSsidHotlistCmdEventHandler) {
delete event_handlers->gScanSetSsidHotlistCmdEventHandler;
}
if (event_handlers->gScanSetPnoListCmdEventHandler) {
delete event_handlers->gScanSetPnoListCmdEventHandler;
}
if (event_handlers->gScanPnoSetPasspointListCmdEventHandler) {
delete event_handlers->gScanPnoSetPasspointListCmdEventHandler;
}
memset(event_handlers, 0, sizeof(gscan_event_handlers));
return WIFI_SUCCESS;
}
ALOGE ("%s: info or info->gscan_handlers NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Implementation of the API functions exposed in gscan.h */
wifi_error wifi_get_valid_channels(wifi_interface_handle handle,
int band, int max_channels, wifi_channel *channels, int *num_channels)
{
int requestId, ret = 0, i=0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(handle);
wifi_handle wifiHandle = getWifiHandle(handle);
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
/* Route GSCAN request through LOWI if supported */
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->get_valid_channels == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->get_valid_channels(handle, band, max_channels,
channels, num_channels);
ALOGI("%s: lowi get_valid_channels "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
/* No request id from caller, so generate one and pass it on to the driver.
* Generate one randomly.
*/
requestId = get_requestid();
ALOGI("%s: RequestId:%d band:%d max_channels:%d", __FUNCTION__,
requestId, band, max_channels);
if (channels == NULL) {
ALOGE("%s: NULL channels pointer provided. Exit.",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
gScanCommand = new GScanCommand(
wifiHandle,
requestId,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_VALID_CHANNELS);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
requestId) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_WIFI_BAND,
band) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_GET_VALID_CHANNELS_CONFIG_PARAM_MAX_CHANNELS,
max_channels) )
{
goto cleanup;
}
gScanCommand->attr_end(nlData);
/* Populate the input received from caller/framework. */
gScanCommand->setMaxChannels(max_channels);
gScanCommand->setChannels(channels);
gScanCommand->setNumChannelsPtr(num_channels);
/* Send the msg and wait for a response. */
ret = gScanCommand->requestResponse();
if (ret) {
ALOGE("%s: Error %d happened. ", __FUNCTION__, ret);
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
wifi_error wifi_get_gscan_capabilities(wifi_interface_handle handle,
wifi_gscan_capabilities *capabilities)
{
int requestId, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
wifi_gscan_capabilities tCapabilities;
interface_info *ifaceInfo = getIfaceInfo(handle);
wifi_handle wifiHandle = getWifiHandle(handle);
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route GSCAN request through LOWI if supported */
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->get_gscan_capabilities == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->get_gscan_capabilities(handle,
capabilities);
ALOGI("%s: lowi get_gscan_capabilities "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
/* No request id from caller, so generate one and pass it on to the driver.
* Generate it randomly.
*/
requestId = get_requestid();
ALOGI("%s: RequestId:%d", __FUNCTION__, requestId);
if (capabilities == NULL) {
ALOGE("%s: NULL capabilities pointer provided. Exit.",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
gScanCommand = new GScanCommand(
wifiHandle,
requestId,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CAPABILITIES);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
requestId);
if (ret < 0)
goto cleanup;
gScanCommand->attr_end(nlData);
ret = gScanCommand->allocRspParams(eGScanGetCapabilitiesRspParams);
if (ret != 0) {
ALOGE("%s: Failed to allocate memory fo response struct. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
gScanCommand->getGetCapabilitiesRspParams(capabilities);
cleanup:
gScanCommand->freeRspParams(eGScanGetCapabilitiesRspParams);
delete gScanCommand;
return (wifi_error)ret;
}
wifi_error wifi_start_gscan(wifi_request_id id,
wifi_interface_handle iface,
wifi_scan_cmd_params params,
wifi_scan_result_handler handler)
{
int ret = 0;
u32 i, j;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
u32 num_scan_buckets, numChannelSpecs;
wifi_scan_bucket_spec bucketSpec;
struct nlattr *nlBuckectSpecList;
bool previousGScanRunning = false;
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanStartCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanStartCmdEventHandler = event_handlers->gscanStartCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route GSCAN request through LOWI if supported */
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->start_gscan == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->start_gscan(id, iface, params, handler);
ALOGI("%s: lowi start_gscan "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d ", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to start gscan was
* made earlier. If start_gscan() is called while another gscan is already
* running, the request will be sent down to driver and firmware. If new
* request is successfully honored, then Wi-Fi HAL will use the new request
* id for the gScanStartCmdEventHandler object.
*/
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_START);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
num_scan_buckets = (unsigned int)params.num_buckets > MAX_BUCKETS ?
MAX_BUCKETS : params.num_buckets;
ALOGI("%s: Base Period:%d Max_ap_per_scan:%d "
"Threshold_percent:%d Threshold_num_scans:%d "
"num_buckets:%d", __FUNCTION__, params.base_period,
params.max_ap_per_scan, params.report_threshold_percent,
params.report_threshold_num_scans, num_scan_buckets);
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SCAN_CMD_PARAMS_BASE_PERIOD,
params.base_period) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SCAN_CMD_PARAMS_MAX_AP_PER_SCAN,
params.max_ap_per_scan) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_PERCENT,
params.report_threshold_percent) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_SCAN_CMD_PARAMS_REPORT_THRESHOLD_NUM_SCANS,
params.report_threshold_num_scans) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_SCAN_CMD_PARAMS_NUM_BUCKETS,
num_scan_buckets))
{
goto cleanup;
}
nlBuckectSpecList =
gScanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC);
/* Add NL attributes for scan bucket specs . */
for (i = 0; i < num_scan_buckets; i++) {
bucketSpec = params.buckets[i];
numChannelSpecs = (unsigned int)bucketSpec.num_channels > MAX_CHANNELS ?
MAX_CHANNELS : bucketSpec.num_channels;
ALOGI("%s: Index: %d Bucket Id:%d Band:%d Period:%d ReportEvent:%d "
"numChannelSpecs:%d max_period:%d exponent:%d step_count:%d",
__FUNCTION__, i, bucketSpec.bucket, bucketSpec.band,
bucketSpec.period, bucketSpec.report_events,
numChannelSpecs, bucketSpec.max_period,
bucketSpec.exponent, bucketSpec.step_count);
struct nlattr *nlBucketSpec = gScanCommand->attr_start(i);
if (gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_INDEX,
bucketSpec.bucket) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_BAND,
bucketSpec.band) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_PERIOD,
bucketSpec.period) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_REPORT_EVENTS,
bucketSpec.report_events) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_NUM_CHANNEL_SPECS,
numChannelSpecs) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_MAX_PERIOD,
bucketSpec.max_period) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_EXPONENT,
bucketSpec.exponent) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BUCKET_SPEC_STEP_COUNT,
bucketSpec.step_count))
{
goto cleanup;
}
struct nlattr *nl_channelSpecList =
gScanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_GSCAN_CHANNEL_SPEC);
/* Add NL attributes for scan channel specs . */
for (j = 0; j < numChannelSpecs; j++) {
struct nlattr *nl_channelSpec = gScanCommand->attr_start(j);
wifi_scan_channel_spec channel_spec = bucketSpec.channels[j];
ALOGI("%s: Channel Spec Index:%d Channel:%d Dwell Time:%d "
"passive:%d", __FUNCTION__, j, channel_spec.channel,
channel_spec.dwellTimeMs, channel_spec.passive);
if ( gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_CHANNEL_SPEC_CHANNEL,
channel_spec.channel) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_CHANNEL_SPEC_DWELL_TIME,
channel_spec.dwellTimeMs) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_CHANNEL_SPEC_PASSIVE,
channel_spec.passive) )
{
goto cleanup;
}
gScanCommand->attr_end(nl_channelSpec);
}
gScanCommand->attr_end(nl_channelSpecList);
gScanCommand->attr_end(nlBucketSpec);
}
gScanCommand->attr_end(nlBuckectSpecList);
gScanCommand->attr_end(nlData);
/* Set the callback handler functions for related events. */
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_scan_results_available =
handler.on_scan_results_available;
callbackHandler.on_full_scan_result = handler.on_full_scan_result;
callbackHandler.on_scan_event = handler.on_scan_event;
/* Create an object to handle the related events from firmware/driver. */
if (gScanStartCmdEventHandler == NULL) {
gScanStartCmdEventHandler = new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_START,
callbackHandler);
if (gScanStartCmdEventHandler == NULL) {
ALOGE("%s: Error gScanStartCmdEventHandler NULL", __FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
event_handlers->gscanStartCmdEventHandler = gScanStartCmdEventHandler;
} else {
gScanStartCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s : requestResponse Error:%d", __FUNCTION__, ret);
goto cleanup;
}
if (gScanStartCmdEventHandler != NULL) {
gScanStartCmdEventHandler->set_request_id(id);
gScanStartCmdEventHandler->enableEventHandling();
}
cleanup:
delete gScanCommand;
/* Disable Event Handling if ret != 0 */
if (ret && gScanStartCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanStartCmdEventHandler->disableEventHandling();
}
return (wifi_error)ret;
}
wifi_error wifi_stop_gscan(wifi_request_id id,
wifi_interface_handle iface)
{
int ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
lowi_cb_table_t *lowiWifiHalApi = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanStartCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanStartCmdEventHandler = event_handlers->gscanStartCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route GSCAN request through LOWI if supported */
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->stop_gscan == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->stop_gscan(id, iface);
ALOGI("%s: lowi stop_gscan "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if (gScanStartCmdEventHandler == NULL ||
gScanStartCmdEventHandler->isEventHandlingEnabled() == false) {
ALOGE("%s: GSCAN isn't running or already stopped. "
"Nothing to do. Exit", __FUNCTION__);
return WIFI_ERROR_NOT_AVAILABLE;
}
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_STOP);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id);
if (ret < 0)
goto cleanup;
gScanCommand->attr_end(nlData);
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
}
/* Disable Event Handling. */
if (gScanStartCmdEventHandler) {
gScanStartCmdEventHandler->disableEventHandling();
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
/* Set the GSCAN BSSID Hotlist. */
wifi_error wifi_set_bssid_hotlist(wifi_request_id id,
wifi_interface_handle iface,
wifi_bssid_hotlist_params params,
wifi_hotlist_ap_found_handler handler)
{
int i, numAp, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData, *nlApThresholdParamList;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
bool previousGScanSetBssidRunning = false;
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetBssidHotlistCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetBssidHotlistCmdEventHandler =
event_handlers->gScanSetBssidHotlistCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->set_bssid_hotlist == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->set_bssid_hotlist(id, iface, params,handler);
ALOGI("%s: lowi set_bssid_hotlist "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to set bssid
* hotlist was made earlier. If set_bssid_hotlist() is called while
* another one is running, the request will be sent down to driver and
* firmware. If the new request is successfully honored, then Wi-Fi HAL
* will use the new request id for the gScanSetBssidHotlistCmdEventHandler
* object.
*/
gScanCommand =
new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_BSSID_HOTLIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
numAp = (unsigned int)params.num_bssid > MAX_HOTLIST_APS ?
MAX_HOTLIST_APS : params.num_bssid;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BSSID_HOTLIST_PARAMS_LOST_AP_SAMPLE_SIZE,
params.lost_ap_sample_size) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_BSSID_HOTLIST_PARAMS_NUM_AP,
numAp))
{
goto cleanup;
}
ALOGI("%s: lost_ap_sample_size:%d numAp:%d", __FUNCTION__,
params.lost_ap_sample_size, numAp);
/* Add the vendor specific attributes for the NL command. */
nlApThresholdParamList =
gScanCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM);
if (!nlApThresholdParamList)
goto cleanup;
/* Add nested NL attributes for AP Threshold Param. */
for (i = 0; i < numAp; i++) {
ap_threshold_param apThreshold = params.ap[i];
struct nlattr *nlApThresholdParam = gScanCommand->attr_start(i);
if (!nlApThresholdParam)
goto cleanup;
if (gScanCommand->put_addr(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_BSSID,
apThreshold.bssid) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_RSSI_LOW,
apThreshold.low) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH,
apThreshold.high))
{
goto cleanup;
}
ALOGI("%s: Index:%d BssId: %hhx:%hhx:%hhx:%hhx:%hhx:%hhx "
"Threshold low:%d high:%d", __FUNCTION__, i,
apThreshold.bssid[0], apThreshold.bssid[1],
apThreshold.bssid[2], apThreshold.bssid[3],
apThreshold.bssid[4], apThreshold.bssid[5],
apThreshold.low, apThreshold.high);
gScanCommand->attr_end(nlApThresholdParam);
}
gScanCommand->attr_end(nlApThresholdParamList);
gScanCommand->attr_end(nlData);
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_hotlist_ap_found = handler.on_hotlist_ap_found;
callbackHandler.on_hotlist_ap_lost = handler.on_hotlist_ap_lost;
/* Create an object of the event handler class to take care of the
* asychronous events on the north-bound.
*/
if (gScanSetBssidHotlistCmdEventHandler == NULL) {
gScanSetBssidHotlistCmdEventHandler = new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_BSSID_HOTLIST,
callbackHandler);
if (gScanSetBssidHotlistCmdEventHandler == NULL) {
ALOGE("%s: Error instantiating "
"gScanSetBssidHotlistCmdEventHandler.", __FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
event_handlers->gScanSetBssidHotlistCmdEventHandler =
gScanSetBssidHotlistCmdEventHandler;
ALOGD("%s: Handler object was created for HOTLIST_AP_FOUND.", __FUNCTION__);
} else {
gScanSetBssidHotlistCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
if (gScanSetBssidHotlistCmdEventHandler != NULL) {
gScanSetBssidHotlistCmdEventHandler->set_request_id(id);
gScanSetBssidHotlistCmdEventHandler->enableEventHandling();
}
cleanup:
delete gScanCommand;
/* Disable Event Handling if ret != 0 */
if (ret && gScanSetBssidHotlistCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanSetBssidHotlistCmdEventHandler->disableEventHandling();
}
return (wifi_error)ret;
}
wifi_error wifi_reset_bssid_hotlist(wifi_request_id id,
wifi_interface_handle iface)
{
int ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetBssidHotlistCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetBssidHotlistCmdEventHandler =
event_handlers->gScanSetBssidHotlistCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->reset_bssid_hotlist == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->reset_bssid_hotlist(id, iface);
ALOGI("%s: lowi reset_bssid_hotlist "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if (gScanSetBssidHotlistCmdEventHandler == NULL ||
(gScanSetBssidHotlistCmdEventHandler->isEventHandlingEnabled() ==
false)) {
ALOGE("wifi_reset_bssid_hotlist: GSCAN bssid_hotlist isn't set. "
"Nothing to do. Exit");
return WIFI_ERROR_NOT_AVAILABLE;
}
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_RESET_BSSID_HOTLIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID, id);
if (ret < 0)
goto cleanup;
gScanCommand->attr_end(nlData);
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
}
/* Disable Event Handling. */
if (gScanSetBssidHotlistCmdEventHandler) {
gScanSetBssidHotlistCmdEventHandler->disableEventHandling();
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
/* Set the GSCAN Significant AP Change list. */
wifi_error wifi_set_significant_change_handler(wifi_request_id id,
wifi_interface_handle iface,
wifi_significant_change_params params,
wifi_significant_change_handler handler)
{
int i, numAp, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData, *nlApThresholdParamList;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
bool previousGScanSetSigChangeRunning = false;
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetSignificantChangeCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetSignificantChangeCmdEventHandler =
event_handlers->gScanSetSignificantChangeCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->set_significant_change_handler == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->set_significant_change_handler(id,
iface,
params,
handler);
ALOGI("%s: lowi set_significant_change_handler "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to set significant
* change list was made earlier. If set_significant_change() is called while
* another one is running, the request will be sent down to driver and
* firmware. If the new request is successfully honored, then Wi-Fi HAL
* will use the new request id for the gScanSetSignificantChangeCmdEventHandler
* object.
*/
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_SIGNIFICANT_CHANGE);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
numAp = (unsigned int)params.num_bssid > MAX_SIGNIFICANT_CHANGE_APS ?
MAX_SIGNIFICANT_CHANGE_APS : params.num_bssid;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SIGNIFICANT_CHANGE_PARAMS_RSSI_SAMPLE_SIZE,
params.rssi_sample_size) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SIGNIFICANT_CHANGE_PARAMS_LOST_AP_SAMPLE_SIZE,
params.lost_ap_sample_size) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SIGNIFICANT_CHANGE_PARAMS_MIN_BREACHING,
params.min_breaching) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SIGNIFICANT_CHANGE_PARAMS_NUM_AP,
numAp))
{
goto cleanup;
}
ALOGI("%s: Number of AP params:%d Rssi_sample_size:%d "
"lost_ap_sample_size:%d min_breaching:%d", __FUNCTION__,
numAp, params.rssi_sample_size, params.lost_ap_sample_size,
params.min_breaching);
/* Add the vendor specific attributes for the NL command. */
nlApThresholdParamList =
gScanCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM);
if (!nlApThresholdParamList)
goto cleanup;
/* Add nested NL attributes for AP Threshold Param list. */
for (i = 0; i < numAp; i++) {
ap_threshold_param apThreshold = params.ap[i];
struct nlattr *nlApThresholdParam = gScanCommand->attr_start(i);
if (!nlApThresholdParam)
goto cleanup;
if ( gScanCommand->put_addr(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_BSSID,
apThreshold.bssid) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_RSSI_LOW,
apThreshold.low) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH,
apThreshold.high))
{
goto cleanup;
}
ALOGI("%s: ap[%d].bssid:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx "
"ap[%d].low:%d ap[%d].high:%d", __FUNCTION__,
i,
apThreshold.bssid[0], apThreshold.bssid[1],
apThreshold.bssid[2], apThreshold.bssid[3],
apThreshold.bssid[4], apThreshold.bssid[5],
i, apThreshold.low, i, apThreshold.high);
gScanCommand->attr_end(nlApThresholdParam);
}
gScanCommand->attr_end(nlApThresholdParamList);
gScanCommand->attr_end(nlData);
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_significant_change = handler.on_significant_change;
/* Create an object of the event handler class to take care of the
* asychronous events on the north-bound.
*/
if (gScanSetSignificantChangeCmdEventHandler == NULL) {
gScanSetSignificantChangeCmdEventHandler =
new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_SIGNIFICANT_CHANGE,
callbackHandler);
if (gScanSetSignificantChangeCmdEventHandler == NULL) {
ALOGE("%s: Error in instantiating, "
"gScanSetSignificantChangeCmdEventHandler.",
__FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
event_handlers->gScanSetSignificantChangeCmdEventHandler =
gScanSetSignificantChangeCmdEventHandler;
ALOGD("%s: Event handler object was created for SIGNIFICANT_CHANGE.",
__FUNCTION__);
} else {
gScanSetSignificantChangeCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
if (gScanSetSignificantChangeCmdEventHandler != NULL) {
gScanSetSignificantChangeCmdEventHandler->set_request_id(id);
gScanSetSignificantChangeCmdEventHandler->enableEventHandling();
}
cleanup:
/* Disable Event Handling if ret != 0 */
if (ret && gScanSetSignificantChangeCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanSetSignificantChangeCmdEventHandler->disableEventHandling();
}
delete gScanCommand;
return (wifi_error)ret;
}
/* Clear the GSCAN Significant AP change list. */
wifi_error wifi_reset_significant_change_handler(wifi_request_id id,
wifi_interface_handle iface)
{
int ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetSignificantChangeCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetSignificantChangeCmdEventHandler =
event_handlers->gScanSetSignificantChangeCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->reset_significant_change_handler == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->reset_significant_change_handler(id, iface);
ALOGI("%s: lowi reset_significant_change_handler "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if (gScanSetSignificantChangeCmdEventHandler == NULL ||
(gScanSetSignificantChangeCmdEventHandler->isEventHandlingEnabled() ==
false)) {
ALOGE("wifi_reset_significant_change_handler: GSCAN significant_change"
" isn't set. Nothing to do. Exit");
return WIFI_ERROR_NOT_AVAILABLE;
}
gScanCommand =
new GScanCommand
(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_RESET_SIGNIFICANT_CHANGE);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id);
if (ret < 0)
goto cleanup;
gScanCommand->attr_end(nlData);
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
}
/* Disable Event Handling. */
if (gScanSetSignificantChangeCmdEventHandler) {
gScanSetSignificantChangeCmdEventHandler->disableEventHandling();
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
/* Get the GSCAN cached scan results. */
wifi_error wifi_get_cached_gscan_results(wifi_interface_handle iface,
byte flush, int max,
wifi_cached_scan_results *results,
int *num)
{
int requestId, ret = 0, retRequestRsp = 0;
wifi_cached_scan_results *result = results;
u32 j = 0;
int i = 0;
u8 moreData = 0;
u16 waitTime = GSCAN_EVENT_WAIT_TIME_SECONDS;
GScanCommand *gScanCommand;
struct nlattr *nlData;
wifi_cached_scan_results *cached_results;
lowi_cb_table_t *lowiWifiHalApi = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route GSCAN request through LOWI if supported */
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->get_cached_gscan_results == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->get_cached_gscan_results(iface,
flush,
max,
results,
num);
ALOGI("%s: lowi get_cached_gscan_results"
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
/* No request id from caller, so generate one and pass it on to the driver. */
/* Generate it randomly */
requestId = get_requestid();
ALOGI("%s: RequestId:%d", __FUNCTION__, requestId);
if (results == NULL || num == NULL) {
ALOGE("%s: NULL pointer provided. Exit.",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
gScanCommand = new GScanCommand(
wifiHandle,
requestId,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CACHED_RESULTS);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = gScanCommand->allocRspParams(eGScanGetCachedResultsRspParams);
if (ret != 0) {
ALOGE("%s: Failed to allocate memory for response struct. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
ret = gScanCommand->allocCachedResultsTemp(max, results);
if (ret != 0) {
ALOGE("%s: Failed to allocate memory for temp gscan cached list. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Clear the destination cached results list before copying results. */
memset(results, 0, max * sizeof(wifi_cached_scan_results));
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (ret < 0)
goto cleanup;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
requestId) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_FLUSH,
flush) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_MAX,
max))
{
goto cleanup;
}
ALOGI("%s: flush:%d max:%d", __FUNCTION__, flush, max);
gScanCommand->attr_end(nlData);
retRequestRsp = gScanCommand->requestResponse();
if (retRequestRsp != 0) {
ALOGE("%s: requestResponse Error:%d",
__FUNCTION__, retRequestRsp);
if (retRequestRsp != -ETIMEDOUT) {
/* Proceed to cleanup & return no results */
goto cleanup;
}
}
/* No more data, copy the parsed results into the caller's results array */
ret = gScanCommand->copyCachedScanResults(num, results);
ALOGI("%s: max: %d, num:%d", __FUNCTION__, max, *num);
if (!ret) {
/* If requestResponse returned a TIMEOUT */
if (retRequestRsp == -ETIMEDOUT) {
if (*num > 0) {
/* Mark scan results as incomplete for the last scan_id */
results[(*num)-1].flags = WIFI_SCAN_FLAG_INTERRUPTED;
ALOGD("%s: Timeout happened. Mark scan results as incomplete "
"for scan_id:%d", __FUNCTION__, results[(*num)-1].scan_id);
ret = WIFI_SUCCESS;
} else
ret = WIFI_ERROR_TIMED_OUT;
}
}
cleanup:
gScanCommand->freeRspParams(eGScanGetCachedResultsRspParams);
delete gScanCommand;
return (wifi_error)ret;
}
/* Random MAC OUI for PNO */
wifi_error wifi_set_scanning_mac_oui(wifi_interface_handle handle, oui scan_oui)
{
int ret = 0;
struct nlattr *nlData;
WifiVendorCommand *vCommand = NULL;
interface_info *iinfo = getIfaceInfo(handle);
wifi_handle wifiHandle = getWifiHandle(handle);
vCommand = new WifiVendorCommand(wifiHandle, 0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_SCANNING_MAC_OUI);
if (vCommand == NULL) {
ALOGE("%s: Error vCommand NULL", __FUNCTION__);
return WIFI_ERROR_OUT_OF_MEMORY;
}
/* create the message */
ret = vCommand->create();
if (ret < 0)
goto cleanup;
ret = vCommand->set_iface_id(iinfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = vCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ALOGI("%s: MAC_OUI - %02x:%02x:%02x", __FUNCTION__,
scan_oui[0], scan_oui[1], scan_oui[2]);
/* Add the fixed part of the mac_oui to the nl command */
ret = vCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_SET_SCANNING_MAC_OUI,
(char *)scan_oui,
WIFI_SCANNING_MAC_OUI_LENGTH);
if (ret < 0)
goto cleanup;
vCommand->attr_end(nlData);
ret = vCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
cleanup:
delete vCommand;
return (wifi_error)ret;
}
/* Set the GSCAN SSID Hotlist. */
wifi_error wifi_set_ssid_hotlist(wifi_request_id id,
wifi_interface_handle iface,
wifi_ssid_hotlist_params params,
wifi_hotlist_ssid_handler handler)
{
int i, numSsid, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData, *nlSsidThresholdParamList;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
bool previousGScanSetSsidRunning = false;
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetSsidHotlistCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetSsidHotlistCmdEventHandler =
event_handlers->gScanSetSsidHotlistCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->set_ssid_hotlist == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->set_ssid_hotlist(id, iface, params,handler);
ALOGI("%s: lowi set_ssid_hotlist "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to set ssid
* hotlist was made earlier. If set_ssid_hotlist() is called while
* another one is running, the request will be sent down to driver and
* firmware. If the new request is successfully honored, then Wi-Fi HAL
* will use the new request id for the gScanSetSsidHotlistCmdEventHandler
* object.
*/
gScanCommand =
new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_SSID_HOTLIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
numSsid = (unsigned int)params.num_ssid > MAX_HOTLIST_SSID ?
MAX_HOTLIST_SSID : params.num_ssid;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_HOTLIST_PARAMS_LOST_SSID_SAMPLE_SIZE,
params.lost_ssid_sample_size) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_HOTLIST_PARAMS_NUM_SSID,
numSsid))
{
goto cleanup;
}
ALOGI("%s: numSsid:%d "
"lost_ssid_sameple_size: %d",
__FUNCTION__, numSsid,
params.lost_ssid_sample_size);
/* Add the vendor specific attributes for the NL command. */
nlSsidThresholdParamList =
gScanCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_THRESHOLD_PARAM);
if (!nlSsidThresholdParamList)
goto cleanup;
/* Add nested NL attributes for SSID Threshold Param. */
for (i = 0; i < numSsid; i++) {
ssid_threshold_param ssidThreshold = params.ssid[i];
struct nlattr *nlSsidThresholdParam = gScanCommand->attr_start(i);
if (!nlSsidThresholdParam)
goto cleanup;
if (gScanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_THRESHOLD_PARAM_SSID,
ssidThreshold.ssid) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_THRESHOLD_PARAM_BAND,
ssidThreshold.band) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_THRESHOLD_PARAM_RSSI_LOW,
ssidThreshold.low) ||
gScanCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SSID_THRESHOLD_PARAM_RSSI_HIGH,
ssidThreshold.high))
{
goto cleanup;
}
ALOGI("%s: SSID[%d].ssid:%s "
"SSID[%d].band:%d SSID[%d].low:%d "
"SSID[%d].high:%d", __FUNCTION__,
i, ssidThreshold.ssid,
i, ssidThreshold.band,
i, ssidThreshold.low,
i, ssidThreshold.high);
gScanCommand->attr_end(nlSsidThresholdParam);
}
gScanCommand->attr_end(nlSsidThresholdParamList);
gScanCommand->attr_end(nlData);
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_hotlist_ssid_found = handler.on_hotlist_ssid_found;
callbackHandler.on_hotlist_ssid_lost = handler.on_hotlist_ssid_lost;
/* Create an object of the event handler class to take care of the
* asychronous events on the north-bound.
*/
if (gScanSetSsidHotlistCmdEventHandler == NULL) {
gScanSetSsidHotlistCmdEventHandler = new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_SET_SSID_HOTLIST,
callbackHandler);
if (gScanSetSsidHotlistCmdEventHandler == NULL) {
ALOGE("%s: Error instantiating "
"gScanSetSsidHotlistCmdEventHandler.", __FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
ALOGD("%s: Handler object was created for HOTLIST_AP_FOUND.", __FUNCTION__);
event_handlers->gScanSetSsidHotlistCmdEventHandler =
gScanSetSsidHotlistCmdEventHandler;
} else {
gScanSetSsidHotlistCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
if (gScanSetSsidHotlistCmdEventHandler != NULL) {
gScanSetSsidHotlistCmdEventHandler->set_request_id(id);
gScanSetSsidHotlistCmdEventHandler->enableEventHandling();
}
cleanup:
delete gScanCommand;
/* Disable Event Handling if ret != 0 */
if (ret && gScanSetSsidHotlistCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanSetSsidHotlistCmdEventHandler->disableEventHandling();
}
return (wifi_error)ret;
}
wifi_error wifi_reset_ssid_hotlist(wifi_request_id id,
wifi_interface_handle iface)
{
int ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
lowi_cb_table_t *lowiWifiHalApi = NULL;
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetSsidHotlistCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetSsidHotlistCmdEventHandler =
event_handlers->gScanSetSsidHotlistCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
/* Route request through LOWI if supported*/
lowiWifiHalApi = getLowiCallbackTable(GSCAN_SUPPORTED);
if (lowiWifiHalApi == NULL ||
lowiWifiHalApi->reset_ssid_hotlist == NULL) {
ALOGD("%s: Sending cmd directly to host", __FUNCTION__);
} else {
ret = lowiWifiHalApi->reset_ssid_hotlist(id, iface);
ALOGI("%s: lowi reset_ssid_hotlist "
"returned: %d. Exit.", __FUNCTION__, ret);
return (wifi_error)ret;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if (gScanSetSsidHotlistCmdEventHandler == NULL ||
(gScanSetSsidHotlistCmdEventHandler->isEventHandlingEnabled() ==
false)) {
ALOGE("wifi_reset_ssid_hotlist: GSCAN ssid_hotlist isn't set. "
"Nothing to do. Exit");
return WIFI_ERROR_NOT_AVAILABLE;
}
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_GSCAN_RESET_SSID_HOTLIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID, id);
if (ret < 0)
goto cleanup;
gScanCommand->attr_end(nlData);
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
}
/* Disable Event Handling. */
if (gScanSetSsidHotlistCmdEventHandler) {
gScanSetSsidHotlistCmdEventHandler->disableEventHandling();
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
GScanCommand::GScanCommand(wifi_handle handle, int id, u32 vendor_id,
u32 subcmd)
: WifiVendorCommand(handle, id, vendor_id, subcmd)
{
#ifdef QC_HAL_DEBUG
ALOGD("GScanCommand %p constructed", this);
#endif
/* Initialize the member data variables here */
mGetCapabilitiesRspParams = NULL;
mGetCachedResultsRspParams = NULL;
mChannels = NULL;
mMaxChannels = 0;
mNumChannelsPtr = NULL;
mRequestId = id;
memset(&mHandler, 0,sizeof(mHandler));
}
GScanCommand::~GScanCommand()
{
#ifdef QC_HAL_DEBUG
ALOGD("GScanCommand %p destructor", this);
#endif
unregisterVendorHandler(mVendor_id, mSubcmd);
}
/* This function implements creation of Vendor command */
int GScanCommand::create() {
int ret = mMsg.create(NL80211_CMD_VENDOR, 0, 0);
if (ret < 0) {
return ret;
}
/* Insert the oui in the msg */
ret = mMsg.put_u32(NL80211_ATTR_VENDOR_ID, mVendor_id);
if (ret < 0)
goto out;
/* Insert the subcmd in the msg */
ret = mMsg.put_u32(NL80211_ATTR_VENDOR_SUBCMD, mSubcmd);
if (ret < 0)
goto out;
ALOGI("%s: mVendor_id = %d, Subcmd = %d.",
__FUNCTION__, mVendor_id, mSubcmd);
out:
return ret;
}
/* Callback handlers registered for nl message send */
static int error_handler_gscan(struct sockaddr_nl *nla, struct nlmsgerr *err,
void *arg)
{
struct sockaddr_nl *tmp;
int *ret = (int *)arg;
tmp = nla;
*ret = err->error;
ALOGE("%s: Error code:%d (%s)", __FUNCTION__, *ret, strerror(-(*ret)));
return NL_STOP;
}
/* Callback handlers registered for nl message send */
static int ack_handler_gscan(struct nl_msg *msg, void *arg)
{
int *ret = (int *)arg;
struct nl_msg * a;
ALOGE("%s: called", __FUNCTION__);
a = msg;
*ret = 0;
return NL_STOP;
}
/* Callback handlers registered for nl message send */
static int finish_handler_gscan(struct nl_msg *msg, void *arg)
{
int *ret = (int *)arg;
struct nl_msg * a;
ALOGE("%s: called", __FUNCTION__);
a = msg;
*ret = 0;
return NL_SKIP;
}
int GScanCommand::requestResponse()
{
return WifiCommand::requestResponse(mMsg);
}
int GScanCommand::handleResponse(WifiEvent &reply) {
u32 status;
int i = 0;
int ret = WIFI_SUCCESS;
u32 val;
WifiVendorCommand::handleResponse(reply);
struct nlattr *tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX + 1];
nla_parse(tbVendor, QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX,
(struct nlattr *)mVendorData,mDataLen, NULL);
switch(mSubcmd)
{
case QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_VALID_CHANNELS:
{
if (!tbVendor[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_CHANNELS]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_CHANNELS"
" not found", __FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
val = nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_CHANNELS]);
val = val > (unsigned int)mMaxChannels ?
(unsigned int)mMaxChannels : val;
*mNumChannelsPtr = val;
/* Extract the list of channels. */
if (*mNumChannelsPtr > 0 ) {
if (!tbVendor[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CHANNELS]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CHANNELS"
" not found", __FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
nla_memcpy(mChannels,
tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CHANNELS],
sizeof(wifi_channel) * (*mNumChannelsPtr));
}
ALOGD("%s: Get valid channels response received.",
__FUNCTION__);
ALOGD("%s: Num channels : %d",
__FUNCTION__, *mNumChannelsPtr);
ALOGD("%s: List of valid channels are: ", __FUNCTION__);
for(i = 0; i < *mNumChannelsPtr; i++)
{
ALOGD("%u", *(mChannels + i));
}
}
break;
case QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CAPABILITIES:
{
ret = gscan_parse_capabilities(tbVendor);
if (ret) {
break;
}
if (mGetCapabilitiesRspParams) {
wifi_gscan_capabilities capa =
mGetCapabilitiesRspParams->capabilities;
ALOGI("%s: max_ap_cache_per_scan:%d\n"
"max_bssid_history_entries:%d\n"
"max_hotlist_bssids:%d\n"
"max_hotlist_ssids:%d\n"
"max_rssi_sample_size:%d\n"
"max_scan_buckets:%d\n"
"max_scan_cache_size:%d\n"
"max_scan_reporting_threshold:%d\n"
"max_significant_wifi_change_aps:%d\n"
"max_number_epno_networks:%d\n"
"max_number_epno_networks_by_ssid:%d\n"
"max_number_of_white_listed_ssid:%d.",
__FUNCTION__, capa.max_ap_cache_per_scan,
capa.max_bssid_history_entries,
capa.max_hotlist_bssids,
capa.max_hotlist_ssids,
capa.max_rssi_sample_size,
capa.max_scan_buckets,
capa.max_scan_cache_size,
capa.max_scan_reporting_threshold,
capa.max_significant_wifi_change_aps,
capa.max_number_epno_networks,
capa.max_number_epno_networks_by_ssid,
capa.max_number_of_white_listed_ssid);
}
}
break;
case QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CACHED_RESULTS:
{
wifi_request_id id;
u32 numResults = 0;
u32 startingIndex;
int firstScanIdInPatch = -1;
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_REQUEST_ID]) {
ALOGE("%s: GSCAN_RESULTS_REQUEST_ID not"
"found", __FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
id = nla_get_u32(
tbVendor[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_REQUEST_ID]
);
/* If this is not for us, just ignore it. */
if (id != mRequestId) {
ALOGE("%s: Event has Req. ID:%d <> ours:%d",
__FUNCTION__, id, mRequestId);
break;
}
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_RESULTS_AVAILABLE]) {
ALOGE("%s: GSCAN_RESULTS_NUM_RESULTS_AVAILABLE not"
"found", __FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
/* Read num of cached scan results in this data chunk. Note that
* this value doesn't represent the number of unique gscan scan Ids
* since the first scan id in this new chunk could be similar to
* the last scan id in the previous chunk.
*/
numResults = nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_RESULTS_AVAILABLE]);
ALOGE("%s: num Cached results in this fragment:%d",
__FUNCTION__, numResults);
if (!mGetCachedResultsRspParams) {
ALOGE("%s: mGetCachedResultsRspParams is NULL, exit.",
__FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
/* To support fragmentation from firmware, monitor the
* MORE_DATA flag and cache results until MORE_DATA = 0.
*/
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_MORE_DATA]) {
ALOGE("%s: GSCAN_RESULTS_NUM_RESULTS_MORE_DATA "
"not found", __FUNCTION__);
ret = WIFI_ERROR_INVALID_ARGS;
break;
} else {
mGetCachedResultsRspParams->more_data = nla_get_u8(
tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_MORE_DATA]);
}
/* No data in this chunk so skip this chunk */
if (numResults == 0) {
return NL_SKIP;
}
if (!tbVendor[QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_SCAN_ID]) {
ALOGE("GSCAN_CACHED_RESULTS_SCAN_ID not found");
ret = WIFI_ERROR_INVALID_ARGS;
break;
}
/* Get the first Scan-Id in this chuck of cached results. */
firstScanIdInPatch = nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_SCAN_ID]);
ALOGE("More data: %d, firstScanIdInPatch: %d, lastProcessedScanId: %d",
mGetCachedResultsRspParams->more_data, firstScanIdInPatch,
mGetCachedResultsRspParams->lastProcessedScanId);
if (numResults) {
if (firstScanIdInPatch !=
mGetCachedResultsRspParams->lastProcessedScanId) {
/* New result scan Id block, update the starting index. */
mGetCachedResultsRspParams->cachedResultsStartingIndex++;
}
ret = gscan_get_cached_results(
mGetCachedResultsRspParams->cached_results,
tbVendor);
/* If a parsing error occurred, exit and proceed for cleanup. */
if (ret)
break;
}
}
break;
default:
/* Error case should not happen print log */
ALOGE("%s: Wrong GScan subcmd response received %d",
__FUNCTION__, mSubcmd);
}
/* A parsing error occurred, do the cleanup of gscan result lists. */
if (ret) {
switch(mSubcmd)
{
case QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CACHED_RESULTS:
{
ALOGE("%s: Parsing error, free CachedResultsRspParams",
__FUNCTION__);
freeRspParams(eGScanGetCachedResultsRspParams);
}
break;
case QCA_NL80211_VENDOR_SUBCMD_GSCAN_GET_CAPABILITIES:
{
ALOGE("%s: Parsing error, free CapabilitiesRspParams",
__FUNCTION__);
freeRspParams(eGScanGetCapabilitiesRspParams);
}
break;
default:
ALOGE("%s: Wrong GScan subcmd received %d", __FUNCTION__, mSubcmd);
}
}
return NL_SKIP;
}
/* Parses and extracts gscan capabilities results. */
int GScanCommand::gscan_parse_capabilities(struct nlattr **tbVendor)
{
if (!mGetCapabilitiesRspParams){
ALOGE("%s: mGetCapabilitiesRspParams ptr is NULL. Exit.",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_CACHE_SIZE
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_"
"CAPABILITIES_MAX_SCAN_CACHE_SIZE not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_scan_cache_size =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_CACHE_SIZE]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_BUCKETS
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_SCAN_BUCKETS not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_scan_buckets =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_BUCKETS]
);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_AP_CACHE_PER_SCAN
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_AP_CACHE_PER_SCAN not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_ap_cache_per_scan =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_AP_CACHE_PER_SCAN]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_RSSI_SAMPLE_SIZE
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_RSSI_SAMPLE_SIZE not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_rssi_sample_size =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_RSSI_SAMPLE_SIZE]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_REPORTING_THRESHOLD
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_"
"MAX_SCAN_REPORTING_THRESHOLD not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_scan_reporting_threshold =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SCAN_REPORTING_THRESHOLD
]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_BSSIDS
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_"
"MAX_HOTLIST_BSSIDS not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_hotlist_bssids =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_BSSIDS]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SIGNIFICANT_WIFI_CHANGE_APS
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_SIGNIFICANT_WIFI_CHANGE_APS not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_significant_wifi_change_aps =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_SIGNIFICANT_WIFI_CHANGE_APS]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_BSSID_HISTORY_ENTRIES
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_BSSID_HISTORY_ENTRIES not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
mGetCapabilitiesRspParams->capabilities.max_bssid_history_entries =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_BSSID_HISTORY_ENTRIES
]);
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_SSIDS
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES"
"_MAX_HOTLIST_SSIDS not found. Set to 0.", __FUNCTION__);
mGetCapabilitiesRspParams->capabilities.max_hotlist_ssids = 0;
} else {
mGetCapabilitiesRspParams->capabilities.max_hotlist_ssids =
nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_HOTLIST_SSIDS
]);
}
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_NUM_EPNO_NETS not found. Set to 0.", __FUNCTION__);
mGetCapabilitiesRspParams->capabilities.\
max_number_epno_networks = 0;
} else {
mGetCapabilitiesRspParams->capabilities.max_number_epno_networks
= nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS
]);
}
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS_BY_SSID
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_NUM_EPNO_NETS_BY_SSID not found. Set to 0.", __FUNCTION__);
mGetCapabilitiesRspParams->capabilities.\
max_number_epno_networks_by_ssid = 0;
} else {
mGetCapabilitiesRspParams->capabilities.max_number_epno_networks_by_ssid
= nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_EPNO_NETS_BY_SSID
]);
}
if (!tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_WHITELISTED_SSID
]) {
ALOGE("%s: QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX"
"_NUM_WHITELISTED_SSID not found. Set to 0.", __FUNCTION__);
mGetCapabilitiesRspParams->capabilities.\
max_number_of_white_listed_ssid = 0;
} else {
mGetCapabilitiesRspParams->capabilities.max_number_of_white_listed_ssid
= nla_get_u32(tbVendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_CAPABILITIES_MAX_NUM_WHITELISTED_SSID
]);
}
return WIFI_SUCCESS;
}
/* Called to parse and extract cached results. */
int GScanCommand:: gscan_get_cached_results(
wifi_cached_scan_results *cached_results,
struct nlattr **tb_vendor)
{
u32 j = 0;
struct nlattr *scanResultsInfo, *wifiScanResultsInfo;
int rem = 0, remResults = 0;
u32 len = 0, numScanResults = 0;
u32 i = mGetCachedResultsRspParams->cachedResultsStartingIndex;
ALOGE("%s: starting counter: %d", __FUNCTION__, i);
for (scanResultsInfo = (struct nlattr *) nla_data(tb_vendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_LIST]),
rem = nla_len(tb_vendor[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_LIST]);
nla_ok(scanResultsInfo, rem) && i < mGetCachedResultsRspParams->max;
scanResultsInfo = nla_next(scanResultsInfo, &(rem)))
{
struct nlattr *tb2[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX + 1];
nla_parse(tb2, QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX,
(struct nlattr *) nla_data(scanResultsInfo),
nla_len(scanResultsInfo), NULL);
if (!
tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_SCAN_ID
])
{
ALOGE("%s: GSCAN_CACHED_RESULTS_SCAN_ID"
" not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].scan_id =
nla_get_u32(
tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_SCAN_ID
]);
if (!
tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_FLAGS
])
{
ALOGE("%s: GSCAN_CACHED_RESULTS_FLAGS "
"not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].flags =
nla_get_u32(
tb2[QCA_WLAN_VENDOR_ATTR_GSCAN_CACHED_RESULTS_FLAGS]);
if (!
tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_RESULTS_AVAILABLE
])
{
ALOGE("%s: RESULTS_NUM_RESULTS_AVAILABLE "
"not found", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
numScanResults =
nla_get_u32(
tb2[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_NUM_RESULTS_AVAILABLE]);
if (mGetCachedResultsRspParams->lastProcessedScanId !=
cached_results[i].scan_id) {
j = 0; /* reset wifi_scan_result counter */
cached_results[i].num_results = 0;
ALOGD("parsing: *lastProcessedScanId [%d] !="
" cached_results[%d].scan_id:%d, j:%d "
"numScanResults: %d",
mGetCachedResultsRspParams->lastProcessedScanId, i,
cached_results[i].scan_id, j, numScanResults);
mGetCachedResultsRspParams->lastProcessedScanId =
cached_results[i].scan_id;
mGetCachedResultsRspParams->wifiScanResultsStartingIndex = 0;
/* Increment the number of cached scan results received */
mGetCachedResultsRspParams->num_cached_results++;
} else {
j = mGetCachedResultsRspParams->wifiScanResultsStartingIndex;
ALOGD("parsing: *lastProcessedScanId [%d] == "
"cached_results[%d].scan_id:%d, j:%d "
"numScanResults:%d",
mGetCachedResultsRspParams->lastProcessedScanId, i,
cached_results[i].scan_id, j, numScanResults);
}
if (!cached_results[i].results) {
ALOGE("%s: NULL cached_results[%d].results"
". Abort.", __FUNCTION__, i);
return WIFI_ERROR_OUT_OF_MEMORY;
}
#ifdef QC_HAL_DEBUG
ALOGE("%s: scan_id %d ", __FUNCTION__,
cached_results[i].scan_id);
ALOGE("%s: flags %u ", __FUNCTION__,
cached_results[i].flags);
#endif
for (wifiScanResultsInfo = (struct nlattr *) nla_data(tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_LIST]),
remResults = nla_len(tb2[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_LIST]);
nla_ok(wifiScanResultsInfo, remResults);
wifiScanResultsInfo = nla_next(wifiScanResultsInfo, &(remResults)))
{
struct nlattr *tb3[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX + 1];
nla_parse(tb3, QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX,
(struct nlattr *) nla_data(wifiScanResultsInfo),
nla_len(wifiScanResultsInfo), NULL);
if (j < MAX_AP_CACHE_PER_SCAN) {
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_TIME_STAMP
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_TIME_STAMP not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].results[j].ts =
nla_get_u64(
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_TIME_STAMP
]);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_SSID
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_SSID not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
len = nla_len(tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_SSID]);
len =
sizeof(cached_results[i].results[j].ssid) <= len ?
sizeof(cached_results[i].results[j].ssid) : len;
memcpy((void *)&cached_results[i].results[j].ssid,
nla_data(
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_SSID]),
len);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_BSSID
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_BSSID not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
len = nla_len(
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_BSSID]);
len =
sizeof(cached_results[i].results[j].bssid) <= len ?
sizeof(cached_results[i].results[j].bssid) : len;
memcpy(&cached_results[i].results[j].bssid,
nla_data(
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_BSSID]),
len);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_CHANNEL
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_CHANNEL not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].results[j].channel =
nla_get_u32(
tb3[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_CHANNEL]);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RSSI
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_RSSI not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].results[j].rssi =
get_s32(
tb3[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RSSI]);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RTT
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_RTT not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].results[j].rtt =
nla_get_u32(
tb3[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RTT]);
if (!
tb3[
QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RTT_SD
])
{
ALOGE("%s: "
"RESULTS_SCAN_RESULT_RTT_SD not found",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
cached_results[i].results[j].rtt_sd =
nla_get_u32(
tb3[QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_SCAN_RESULT_RTT_SD]);
#ifdef QC_HAL_DEBUG
/* Enable these prints for debugging if needed. */
ALOGD("%s: ts %lld ", __FUNCTION__,
cached_results[i].results[j].ts);
ALOGD("%s: SSID %s ", __FUNCTION__,
cached_results[i].results[j].ssid);
ALOGD("%s: ", __FUNCTION__,
"BSSID: %02x:%02x:%02x:%02x:%02x:%02x \n",
cached_results[i].results[j].bssid[0],
cached_results[i].results[j].bssid[1],
cached_results[i].results[j].bssid[2],
cached_results[i].results[j].bssid[3],
cached_results[i].results[j].bssid[4],
cached_results[i].results[j].bssid[5]);
ALOGD("%s: channel %d ", __FUNCTION__,
cached_results[i].results[j].channel);
ALOGD("%s: rssi %d ", __FUNCTION__,
cached_results[i].results[j].rssi);
ALOGD("%s: rtt %lld ", __FUNCTION__,
cached_results[i].results[j].rtt);
ALOGD("%s: rtt_sd %lld ", __FUNCTION__,
cached_results[i].results[j].rtt_sd);
#endif
/* Increment loop index for next record */
j++;
/* For this scan id, update the wifiScanResultsStartingIndex
* and number of cached results parsed so far.
*/
mGetCachedResultsRspParams->wifiScanResultsStartingIndex = j;
cached_results[i].num_results++;
} else {
/* We already parsed and stored up to max wifi_scan_results
* specified by the caller. Now, continue to loop over NL
* entries in order to properly update NL parsing pointer
* so it points to the next scan_id results.
*/
ALOGD("%s: loop index:%d > max num"
" of wifi_scan_results:%d for gscan cached results"
" bucket:%d. Dummy loop", __FUNCTION__,
j, MAX_AP_CACHE_PER_SCAN, i);
}
}
ALOGE("%s: cached_results[%d].num_results: %d ", __FUNCTION__,
i, cached_results[i].num_results);
/* Increment loop index for next cached scan result record */
i++;
}
/* Increment starting index of filling cached results received */
if (mGetCachedResultsRspParams->num_cached_results)
mGetCachedResultsRspParams->cachedResultsStartingIndex =
mGetCachedResultsRspParams->num_cached_results - 1;
return WIFI_SUCCESS;
}
/* Set the GSCAN BSSID Hotlist. */
wifi_error wifi_set_epno_list(wifi_request_id id,
wifi_interface_handle iface,
int num_networks,
wifi_epno_network *networks,
wifi_epno_handler handler)
{
int i, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData, *nlPnoParamList;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
bool previousGScanSetEpnoListRunning = false;
hal_info *info = getHalInfo(wifiHandle);
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanSetPnoListCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanSetPnoListCmdEventHandler =
event_handlers->gScanSetPnoListCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_HAL_EPNO)) {
ALOGE("%s: Enhanced PNO is not supported by the driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to set ePNO
* list was made earlier. If wifi_set_epno_list() is called while
* another one is running, the request will be sent down to driver and
* firmware. If the new request is successfully honored, then Wi-Fi HAL
* will use the new request id for the gScanSetPnoListCmdEventHandler
* object.
*/
gScanCommand =
new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_PNO_SET_LIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0) {
ALOGE("%s: Failed to create the NL msg. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0) {
ALOGE("%s: Failed to set iface id. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData) {
ALOGE("%s: Failed to add attribute NL80211_ATTR_VENDOR_DATA. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
num_networks = (unsigned int)num_networks > MAX_PNO_SSID ?
MAX_PNO_SSID : num_networks;
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_NUM_NETWORKS,
num_networks))
{
ALOGE("%s: Failed to add vendor atributes. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add the vendor specific attributes for the NL command. */
nlPnoParamList =
gScanCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST);
if (!nlPnoParamList) {
ALOGE("%s: Failed to add attr. PNO_SET_LIST_PARAM_EPNO_NETWORKS_LIST. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add nested NL attributes for ePno List. */
for (i = 0; i < num_networks; i++) {
wifi_epno_network pnoNetwork = networks[i];
struct nlattr *nlPnoNetwork = gScanCommand->attr_start(i);
if (!nlPnoNetwork) {
ALOGE("%s: Failed attr_start for nlPnoNetwork. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
if (gScanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_SSID,
pnoNetwork.ssid) ||
gScanCommand->put_s8(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_RSSI_THRESHOLD,
pnoNetwork.rssi_threshold) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_FLAGS,
pnoNetwork.flags) ||
gScanCommand->put_u8(
QCA_WLAN_VENDOR_ATTR_PNO_SET_LIST_PARAM_EPNO_NETWORK_AUTH_BIT,
pnoNetwork.auth_bit_field))
{
ALOGE("%s: Failed to add PNO_SET_LIST_PARAM_EPNO_NETWORK_*. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
gScanCommand->attr_end(nlPnoNetwork);
}
gScanCommand->attr_end(nlPnoParamList);
gScanCommand->attr_end(nlData);
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_pno_network_found = handler.on_network_found;
/* Create an object of the event handler class to take care of the
* asychronous events on the north-bound.
*/
if (gScanSetPnoListCmdEventHandler == NULL) {
gScanSetPnoListCmdEventHandler = new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_PNO_SET_LIST,
callbackHandler);
if (gScanSetPnoListCmdEventHandler == NULL) {
ALOGE("%s: Error instantiating "
"gScanSetPnoListCmdEventHandler.", __FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
event_handlers->gScanSetPnoListCmdEventHandler =
gScanSetPnoListCmdEventHandler;
ALOGD("%s: Handler object was created for PNO_NETWORK_FOUND.",
__FUNCTION__);
} else {
gScanSetPnoListCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
if (gScanSetPnoListCmdEventHandler != NULL) {
gScanSetPnoListCmdEventHandler->set_request_id(id);
gScanSetPnoListCmdEventHandler->enableEventHandling();
}
cleanup:
delete gScanCommand;
/* Disable Event Handling if ret != 0 */
if (ret && gScanSetPnoListCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanSetPnoListCmdEventHandler->disableEventHandling();
}
return (wifi_error)ret;
}
/* Set the ePNO Passpoint List. */
wifi_error wifi_set_passpoint_list(wifi_request_id id,
wifi_interface_handle iface, int num,
wifi_passpoint_network *networks,
wifi_passpoint_event_handler handler)
{
int i, numAp, ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData, *nlPasspointNetworksParamList;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
bool previousGScanPnoSetPasspointListRunning = false;
hal_info *info = getHalInfo(wifiHandle);
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanPnoSetPasspointListCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanPnoSetPasspointListCmdEventHandler =
event_handlers->gScanPnoSetPasspointListCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_HAL_EPNO)) {
ALOGE("%s: Enhanced PNO is not supported by the driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
/* Wi-Fi HAL doesn't need to check if a similar request to set ePNO
* passpoint list was made earlier. If wifi_set_passpoint_list() is called
* while another one is running, the request will be sent down to driver and
* firmware. If the new request is successfully honored, then Wi-Fi HAL
* will use the new request id for the
* gScanPnoSetPasspointListCmdEventHandler object.
*/
gScanCommand =
new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_PNO_SET_PASSPOINT_LIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0) {
ALOGE("%s: Failed to create the NL msg. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0) {
ALOGE("%s: Failed to set iface id. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData) {
ALOGE("%s: Failed to add attribute NL80211_ATTR_VENDOR_DATA. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID,
id) ||
gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NUM,
num))
{
ALOGE("%s: Failed to add vendor atributes. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add the vendor specific attributes for the NL command. */
nlPasspointNetworksParamList =
gScanCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NETWORK_ARRAY);
if (!nlPasspointNetworksParamList) {
ALOGE("%s: Failed attr_start for PASSPOINT_LIST_PARAM_NETWORK_ARRAY. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add nested NL attributes for Passpoint List param. */
for (i = 0; i < num; i++) {
wifi_passpoint_network passpointNetwork = networks[i];
struct nlattr *nlPasspointNetworkParam = gScanCommand->attr_start(i);
if (!nlPasspointNetworkParam) {
ALOGE("%s: Failed attr_start for nlPasspointNetworkParam. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
if (gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ID,
passpointNetwork.id) ||
gScanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_REALM,
passpointNetwork.realm) ||
gScanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_CNSRTM_ID,
(char*)passpointNetwork.roamingConsortiumIds,
16 * sizeof(int64_t)) ||
gScanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_NETWORK_PARAM_ROAM_PLMN,
(char*)passpointNetwork.plmn, 3 * sizeof(u8)))
{
ALOGE("%s: Failed to add PNO_PASSPOINT_NETWORK_PARAM_ROAM_* attr. "
"Error:%d", __FUNCTION__, ret);
goto cleanup;
}
gScanCommand->attr_end(nlPasspointNetworkParam);
}
gScanCommand->attr_end(nlPasspointNetworksParamList);
gScanCommand->attr_end(nlData);
GScanCallbackHandler callbackHandler;
memset(&callbackHandler, 0, sizeof(callbackHandler));
callbackHandler.on_passpoint_network_found =
handler.on_passpoint_network_found;
/* Create an object of the event handler class to take care of the
* asychronous events on the north-bound.
*/
if (gScanPnoSetPasspointListCmdEventHandler == NULL) {
gScanPnoSetPasspointListCmdEventHandler = new GScanCommandEventHandler(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_PNO_SET_PASSPOINT_LIST,
callbackHandler);
if (gScanPnoSetPasspointListCmdEventHandler == NULL) {
ALOGE("%s: Error instantiating "
"gScanPnoSetPasspointListCmdEventHandler.", __FUNCTION__);
ret = WIFI_ERROR_UNKNOWN;
goto cleanup;
}
event_handlers->gScanPnoSetPasspointListCmdEventHandler =
gScanPnoSetPasspointListCmdEventHandler;
ALOGD("%s: Handler object was created for PNO_PASSPOINT_"
"NETWORK_FOUND.", __FUNCTION__);
} else {
gScanPnoSetPasspointListCmdEventHandler->setCallbackHandler(callbackHandler);
}
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
goto cleanup;
}
if (gScanPnoSetPasspointListCmdEventHandler != NULL) {
gScanPnoSetPasspointListCmdEventHandler->set_request_id(id);
gScanPnoSetPasspointListCmdEventHandler->enableEventHandling();
}
cleanup:
delete gScanCommand;
/* Disable Event Handling if ret != 0 */
if (ret && gScanPnoSetPasspointListCmdEventHandler) {
ALOGI("%s: Error ret:%d, disable event handling",
__FUNCTION__, ret);
gScanPnoSetPasspointListCmdEventHandler->disableEventHandling();
}
return (wifi_error)ret;
}
wifi_error wifi_reset_passpoint_list(wifi_request_id id,
wifi_interface_handle iface)
{
int ret = 0;
GScanCommand *gScanCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
gscan_event_handlers* event_handlers;
GScanCommandEventHandler *gScanPnoSetPasspointListCmdEventHandler;
event_handlers = (gscan_event_handlers*)info->gscan_handlers;
gScanPnoSetPasspointListCmdEventHandler =
event_handlers->gScanPnoSetPasspointListCmdEventHandler;
if (!(info->supported_feature_set & WIFI_FEATURE_HAL_EPNO)) {
ALOGE("%s: Enhanced PNO is not supported by the driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if (gScanPnoSetPasspointListCmdEventHandler == NULL ||
(gScanPnoSetPasspointListCmdEventHandler->isEventHandlingEnabled() ==
false)) {
ALOGE("wifi_reset_passpoint_list: ePNO passpoint_list isn't set. "
"Nothing to do. Exit.");
return WIFI_ERROR_NOT_AVAILABLE;
}
gScanCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_PNO_RESET_PASSPOINT_LIST);
if (gScanCommand == NULL) {
ALOGE("%s: Error GScanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = gScanCommand->create();
if (ret < 0) {
ALOGE("%s: Failed to create the NL msg. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Set the interface Id of the message. */
ret = gScanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0) {
ALOGE("%s: Failed to set iface id. Error:%d", __FUNCTION__, ret);
goto cleanup;
}
/* Add the vendor specific attributes for the NL command. */
nlData = gScanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData) {
ALOGE("%s: Failed to add attribute NL80211_ATTR_VENDOR_DATA. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
ret = gScanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_GSCAN_SUBCMD_CONFIG_PARAM_REQUEST_ID, id);
if (ret < 0) {
ALOGE("%s: Failed to add vendor data attributes. Error:%d",
__FUNCTION__, ret);
goto cleanup;
}
gScanCommand->attr_end(nlData);
ret = gScanCommand->requestResponse();
if (ret != 0) {
ALOGE("%s: requestResponse Error:%d",__FUNCTION__, ret);
}
/* Disable Event Handling. */
if (gScanPnoSetPasspointListCmdEventHandler) {
gScanPnoSetPasspointListCmdEventHandler->disableEventHandling();
}
cleanup:
delete gScanCommand;
return (wifi_error)ret;
}
int GScanCommand::allocCachedResultsTemp(int max,
wifi_cached_scan_results *cached_results)
{
wifi_cached_scan_results *tempCachedResults = NULL;
/* Alloc memory for "max" number of cached results. */
mGetCachedResultsRspParams->cached_results =
(wifi_cached_scan_results*)
malloc(max * sizeof(wifi_cached_scan_results));
if (!mGetCachedResultsRspParams->cached_results) {
ALOGE("%s: Failed to allocate memory for "
"mGetCachedResultsRspParams->cached_results.",
__FUNCTION__);
return WIFI_ERROR_OUT_OF_MEMORY;
}
memset(mGetCachedResultsRspParams->cached_results, 0,
max * sizeof(wifi_cached_scan_results));
mGetCachedResultsRspParams->max = max;
return WIFI_SUCCESS;
}
/*
* Allocates memory for the subCmd response struct and initializes status = -1
*/
int GScanCommand::allocRspParams(eGScanRspRarams cmd)
{
int ret = 0;
switch(cmd)
{
case eGScanGetCapabilitiesRspParams:
mGetCapabilitiesRspParams = (GScanGetCapabilitiesRspParams *)
malloc(sizeof(GScanGetCapabilitiesRspParams));
if (!mGetCapabilitiesRspParams)
ret = -1;
else {
memset(&mGetCapabilitiesRspParams->capabilities, 0,
sizeof(wifi_gscan_capabilities));
}
break;
case eGScanGetCachedResultsRspParams:
mGetCachedResultsRspParams = (GScanGetCachedResultsRspParams *)
malloc(sizeof(GScanGetCachedResultsRspParams));
if (!mGetCachedResultsRspParams)
ret = -1;
else {
mGetCachedResultsRspParams->num_cached_results = 0;
mGetCachedResultsRspParams->more_data = false;
mGetCachedResultsRspParams->cachedResultsStartingIndex = -1;
mGetCachedResultsRspParams->lastProcessedScanId = -1;
mGetCachedResultsRspParams->wifiScanResultsStartingIndex = -1;
mGetCachedResultsRspParams->max = 0;
mGetCachedResultsRspParams->cached_results = NULL;
}
break;
default:
ALOGD("%s: Wrong request for alloc.", __FUNCTION__);
ret = -1;
}
return ret;
}
void GScanCommand::freeRspParams(eGScanRspRarams cmd)
{
u32 i = 0;
wifi_cached_scan_results *cached_results = NULL;
switch(cmd)
{
case eGScanGetCapabilitiesRspParams:
if (mGetCapabilitiesRspParams) {
free(mGetCapabilitiesRspParams);
mGetCapabilitiesRspParams = NULL;
}
break;
case eGScanGetCachedResultsRspParams:
if (mGetCachedResultsRspParams) {
if (mGetCachedResultsRspParams->cached_results) {
free(mGetCachedResultsRspParams->cached_results);
mGetCachedResultsRspParams->cached_results = NULL;
}
free(mGetCachedResultsRspParams);
mGetCachedResultsRspParams = NULL;
}
break;
default:
ALOGD("%s: Wrong request for free.", __FUNCTION__);
}
}
wifi_error GScanCommand::copyCachedScanResults(
int *numResults,
wifi_cached_scan_results *cached_results)
{
wifi_error ret = WIFI_SUCCESS;
int i;
wifi_cached_scan_results *cachedResultRsp;
if (mGetCachedResultsRspParams && cached_results)
{
/* Populate the number of parsed cached results. */
*numResults = mGetCachedResultsRspParams->num_cached_results;
for (i = 0; i < *numResults; i++) {
cachedResultRsp = &mGetCachedResultsRspParams->cached_results[i];
cached_results[i].scan_id = cachedResultRsp->scan_id;
cached_results[i].flags = cachedResultRsp->flags;
cached_results[i].num_results = cachedResultRsp->num_results;
if (!cached_results[i].num_results) {
ALOGI("Error: cached_results[%d].num_results=0", i);
continue;
}
ALOGI("copyCachedScanResults: "
"cached_results[%d].num_results : %d",
i, cached_results[i].num_results);
memcpy(cached_results[i].results,
cachedResultRsp->results,
cached_results[i].num_results * sizeof(wifi_scan_result));
}
} else {
ALOGE("%s: mGetCachedResultsRspParams is NULL", __FUNCTION__);
*numResults = 0;
ret = WIFI_ERROR_INVALID_ARGS;
}
return ret;
}
void GScanCommand::getGetCapabilitiesRspParams(
wifi_gscan_capabilities *capabilities)
{
if (mGetCapabilitiesRspParams && capabilities)
{
memcpy(capabilities,
&mGetCapabilitiesRspParams->capabilities,
sizeof(wifi_gscan_capabilities));
} else {
ALOGD("%s: mGetCapabilitiesRspParams is NULL", __FUNCTION__);
}
}
void GScanCommand::setMaxChannels(int max_channels) {
mMaxChannels = max_channels;
}
void GScanCommand::setChannels(int *channels) {
mChannels = channels;
}
void GScanCommand::setNumChannelsPtr(int *num_channels) {
mNumChannelsPtr = num_channels;
}
wifi_error wifi_set_ssid_white_list(wifi_request_id id,
wifi_interface_handle iface,
int num_networks,
wifi_ssid *ssids)
{
int ret = 0, i;
GScanCommand *roamCommand;
struct nlattr *nlData, *nlSsids;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
ALOGI("Number of SSIDs : %d", num_networks);
for (i = 0; i < num_networks; i++) {
ALOGI("ssid %d : %s", i, ssids[i].ssid);
}
roamCommand = new GScanCommand(
wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_ROAM);
if (roamCommand == NULL) {
ALOGE("wifi_set_ssid_white_list(): Error roamCommand NULL");
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = roamCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = roamCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = roamCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (roamCommand->put_u32(QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SSID_WHITE_LIST) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
id) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_WHITE_LIST_SSID_NUM_NETWORKS,
num_networks)) {
goto cleanup;
}
nlSsids =
roamCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_WHITE_LIST_SSID_LIST);
for (i = 0; i < num_networks; i++) {
struct nlattr *nl_ssid = roamCommand->attr_start(i);
if ( roamCommand->put_string(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_WHITE_LIST_SSID,
ssids[i].ssid)) {
goto cleanup;
}
roamCommand->attr_end(nl_ssid);
}
roamCommand->attr_end(nlSsids);
roamCommand->attr_end(nlData);
ret = roamCommand->requestResponse();
if (ret != 0) {
ALOGE("wifi_set_ssid_white_list(): requestResponse Error:%d", ret);
}
cleanup:
delete roamCommand;
return (wifi_error)ret;
}
wifi_error wifi_set_gscan_roam_params(wifi_request_id id,
wifi_interface_handle iface,
wifi_roam_params * params)
{
int ret = 0;
GScanCommand *roamCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
if(params) {
ALOGI("A_band_boost_threshold %d", params->A_band_boost_threshold);
ALOGI("A_band_penalty_threshol %d", params->A_band_penalty_threshold);
ALOGI("A_band_boost_factor %u", params->A_band_boost_factor);
ALOGI("A_band_penalty_factor %u", params->A_band_penalty_factor);
ALOGI("A_band_max_boost %u", params->A_band_max_boost);
ALOGI("lazy_roam_histeresys %u", params->lazy_roam_hysteresis);
ALOGI("alert_roam_rssi_trigger %d", params->alert_roam_rssi_trigger);
} else {
ALOGE("wifi_roam_params is NULL");
return WIFI_ERROR_INVALID_ARGS;
}
roamCommand = new GScanCommand(wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_ROAM);
if (roamCommand == NULL) {
ALOGE("wifi_set_gscan_roam_params(): Error roamCommand NULL");
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = roamCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = roamCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = roamCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (roamCommand->put_u32(QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_GSCAN_ROAM_PARAMS) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
id) ||
roamCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_A_BAND_BOOST_THRESHOLD,
params->A_band_boost_threshold) ||
roamCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_A_BAND_PENALTY_THRESHOLD,
params->A_band_penalty_threshold) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_A_BAND_BOOST_FACTOR,
params->A_band_boost_factor) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_A_BAND_PENALTY_FACTOR,
params->A_band_penalty_factor) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_A_BAND_MAX_BOOST,
params->A_band_max_boost) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_LAZY_ROAM_HISTERESYS,
params->lazy_roam_hysteresis) ||
roamCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_ALERT_ROAM_RSSI_TRIGGER,
params->alert_roam_rssi_trigger)) {
goto cleanup;
}
roamCommand->attr_end(nlData);
ret = roamCommand->requestResponse();
if (ret != 0) {
ALOGE("wifi_set_gscan_roam_params(): requestResponse Error:%d", ret);
}
cleanup:
delete roamCommand;
return (wifi_error)ret;
}
wifi_error wifi_enable_lazy_roam(wifi_request_id id,
wifi_interface_handle iface,
int enable)
{
int ret = 0;
GScanCommand *roamCommand;
struct nlattr *nlData;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d Setting lazy roam: %s",
__FUNCTION__, id, enable?"ENABLE":"DISABLE");
roamCommand =
new GScanCommand(wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_ROAM);
if (roamCommand == NULL) {
ALOGE("%s: Error roamCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = roamCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = roamCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = roamCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (roamCommand->put_u32(QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_LAZY_ROAM) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
id) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_LAZY_ROAM_ENABLE,
enable)) {
goto cleanup;
}
roamCommand->attr_end(nlData);
ret = roamCommand->requestResponse();
if (ret != 0) {
ALOGE("wifi_enable_lazy_roam(): requestResponse Error:%d", ret);
}
cleanup:
delete roamCommand;
return (wifi_error)ret;
}
wifi_error wifi_set_bssid_preference(wifi_request_id id,
wifi_interface_handle iface,
int num_bssid,
wifi_bssid_preference *prefs)
{
int ret = 0, i;
GScanCommand *roamCommand;
struct nlattr *nlData, *nlBssids;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
ALOGI("Number of BSSIDs: %d", num_bssid);
if(prefs && num_bssid) {
for (i = 0; i < num_bssid; i++) {
ALOGI("BSSID: %d : %02x:%02x:%02x:%02x:%02x:%02x", i,
prefs[i].bssid[0], prefs[i].bssid[1],
prefs[i].bssid[2], prefs[i].bssid[3],
prefs[i].bssid[4], prefs[i].bssid[5]);
ALOGI("alert_roam_rssi_trigger : %d", prefs[i].rssi_modifier);
}
} else {
ALOGE("wifi_bssid_preference is NULL");
return WIFI_ERROR_INVALID_ARGS;
}
roamCommand =
new GScanCommand(wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_ROAM);
if (roamCommand == NULL) {
ALOGE("%s: Error roamCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = roamCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = roamCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = roamCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (roamCommand->put_u32(QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BSSID_PREFS) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
id) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_LAZY_ROAM_NUM_BSSID,
num_bssid)) {
goto cleanup;
}
nlBssids = roamCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PREFS);
for (i = 0; i < num_bssid; i++) {
struct nlattr *nl_ssid = roamCommand->attr_start(i);
if (roamCommand->put_addr(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_LAZY_ROAM_BSSID,
(u8 *)prefs[i].bssid) ||
roamCommand->put_s32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_LAZY_ROAM_RSSI_MODIFIER,
prefs[i].rssi_modifier)) {
goto cleanup;
}
roamCommand->attr_end(nl_ssid);
}
roamCommand->attr_end(nlBssids);
roamCommand->attr_end(nlData);
ret = roamCommand->requestResponse();
if (ret != 0) {
ALOGE("wifi_set_bssid_preference(): requestResponse Error:%d", ret);
}
cleanup:
delete roamCommand;
return (wifi_error)ret;
}
wifi_error wifi_set_bssid_blacklist(wifi_request_id id,
wifi_interface_handle iface,
wifi_bssid_params params)
{
int ret = 0, i;
GScanCommand *roamCommand;
struct nlattr *nlData, *nlBssids;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
hal_info *info = getHalInfo(wifiHandle);
if (!(info->supported_feature_set & WIFI_FEATURE_GSCAN)) {
ALOGE("%s: GSCAN is not supported by driver",
__FUNCTION__);
return WIFI_ERROR_NOT_SUPPORTED;
}
ALOGI("%s: RequestId:%d", __FUNCTION__, id);
for (i = 0; i < params.num_bssid; i++) {
ALOGI("BSSID: %d : %02x:%02x:%02x:%02x:%02x:%02x", i,
params.bssids[i][0], params.bssids[i][1],
params.bssids[i][2], params.bssids[i][3],
params.bssids[i][4], params.bssids[i][5]);
}
roamCommand =
new GScanCommand(wifiHandle,
id,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_ROAM);
if (roamCommand == NULL) {
ALOGE("%s: Error roamCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
/* Create the NL message. */
ret = roamCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = roamCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
/* Add the vendor specific attributes for the NL command. */
nlData = roamCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (roamCommand->put_u32(QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
id) ||
roamCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
params.num_bssid)) {
goto cleanup;
}
nlBssids = roamCommand->attr_start(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
for (i = 0; i < params.num_bssid; i++) {
struct nlattr *nl_ssid = roamCommand->attr_start(i);
if (roamCommand->put_addr(
QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
(u8 *)params.bssids[i])) {
goto cleanup;
}
roamCommand->attr_end(nl_ssid);
}
roamCommand->attr_end(nlBssids);
roamCommand->attr_end(nlData);
ret = roamCommand->requestResponse();
if (ret != 0) {
ALOGE("wifi_set_bssid_blacklist(): requestResponse Error:%d", ret);
}
cleanup:
delete roamCommand;
return (wifi_error)ret;
}