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PL286/hardware/qcom/wlan/qcwcn/wifi_hal/nan.cpp

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/*
* 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"
#include "wifi_hal.h"
#include "nan_i.h"
#include "common.h"
#include "cpp_bindings.h"
#include <utils/Log.h>
#include <errno.h>
#include "nancommand.h"
#include "vendor_definitions.h"
#ifdef __GNUC__
#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b))))
#define STRUCT_PACKED __attribute__ ((packed))
#else
#define PRINTF_FORMAT(a,b)
#define STRUCT_PACKED
#endif
#define OUT_OF_BAND_SERVICE_INSTANCE_ID 0
//Singleton Static Instance
NanCommand* NanCommand::mNanCommandInstance = NULL;
//Implementation of the functions exposed in nan.h
wifi_error nan_register_handler(wifi_interface_handle iface,
NanCallbackHandler handlers)
{
// Obtain the singleton instance
int ret = 0;
NanCommand *nanCommand = NULL;
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = NanCommand::instance(wifiHandle);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->setCallbackHandler(handlers);
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_get_version(wifi_handle handle,
NanVersion* version)
{
*version = (NAN_MAJOR_VERSION <<16 | NAN_MINOR_VERSION << 8 | NAN_MICRO_VERSION);
return WIFI_SUCCESS;
}
/* Function to send enable request to the wifi driver.*/
wifi_error nan_enable_request(transaction_id id,
wifi_interface_handle iface,
NanEnableRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanEnable(id, msg);
if (ret != 0) {
ALOGE("%s: putNanEnable Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send disable request to the wifi driver.*/
wifi_error nan_disable_request(transaction_id id,
wifi_interface_handle iface)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanDisable(id);
if (ret != 0) {
ALOGE("%s: putNanDisable Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send publish request to the wifi driver.*/
wifi_error nan_publish_request(transaction_id id,
wifi_interface_handle iface,
NanPublishRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanPublish(id, msg);
if (ret != 0) {
ALOGE("%s: putNanPublish Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send publish cancel to the wifi driver.*/
wifi_error nan_publish_cancel_request(transaction_id id,
wifi_interface_handle iface,
NanPublishCancelRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanPublishCancel(id, msg);
if (ret != 0) {
ALOGE("%s: putNanPublishCancel Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send Subscribe request to the wifi driver.*/
wifi_error nan_subscribe_request(transaction_id id,
wifi_interface_handle iface,
NanSubscribeRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanSubscribe(id, msg);
if (ret != 0) {
ALOGE("%s: putNanSubscribe Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to cancel subscribe to the wifi driver.*/
wifi_error nan_subscribe_cancel_request(transaction_id id,
wifi_interface_handle iface,
NanSubscribeCancelRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanSubscribeCancel(id, msg);
if (ret != 0) {
ALOGE("%s: putNanSubscribeCancel Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send NAN follow up request to the wifi driver.*/
wifi_error nan_transmit_followup_request(transaction_id id,
wifi_interface_handle iface,
NanTransmitFollowupRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanTransmitFollowup(id, msg);
if (ret != 0) {
ALOGE("%s: putNanTransmitFollowup Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send NAN statistics request to the wifi driver.*/
wifi_error nan_stats_request(transaction_id id,
wifi_interface_handle iface,
NanStatsRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanStats(id, msg);
if (ret != 0) {
ALOGE("%s: putNanStats Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send NAN configuration request to the wifi driver.*/
wifi_error nan_config_request(transaction_id id,
wifi_interface_handle iface,
NanConfigRequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanConfig(id, msg);
if (ret != 0) {
ALOGE("%s: putNanConfig Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send NAN request to the wifi driver.*/
wifi_error nan_tca_request(transaction_id id,
wifi_interface_handle iface,
NanTCARequest* msg)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanTCA(id, msg);
if (ret != 0) {
ALOGE("%s: putNanTCA Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to send NAN Beacon sdf payload to the wifi driver.
This instructs the Discovery Engine to begin publishing the
received payload in any Beacon or Service Discovery Frame
transmitted*/
wifi_error nan_beacon_sdf_payload_request(transaction_id id,
wifi_interface_handle iface,
NanBeaconSdfPayloadRequest* msg)
{
int ret = WIFI_ERROR_NOT_SUPPORTED;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanBeaconSdfPayload(id, msg);
if (ret != 0) {
ALOGE("%s: putNanBeaconSdfPayload Error:%d", __FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_get_sta_parameter(transaction_id id,
wifi_interface_handle iface,
NanStaParameter* msg)
{
int ret = WIFI_ERROR_NOT_SUPPORTED;
NanCommand *nanCommand = NULL;
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = NanCommand::instance(wifiHandle);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->getNanStaParameter(iface, msg);
if (ret != 0) {
ALOGE("%s: getNanStaParameter Error:%d", __FUNCTION__, ret);
goto cleanup;
}
cleanup:
return mapErrorKernelToWifiHAL(ret);
}
/* Function to get NAN capabilities */
wifi_error nan_get_capabilities(transaction_id id,
wifi_interface_handle iface)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanCapabilities(id);
if (ret != 0) {
ALOGE("%s: putNanCapabilities Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
/* Function to get NAN capabilities */
wifi_error nan_debug_command_config(transaction_id id,
wifi_interface_handle iface,
NanDebugParams debug,
int debug_msg_length)
{
int ret = 0;
NanCommand *nanCommand = NULL;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
if (nanCommand == NULL) {
ALOGE("%s: Error NanCommand NULL", __FUNCTION__);
return WIFI_ERROR_UNKNOWN;
}
if (debug_msg_length <= 0) {
ALOGE("%s: Invalid debug message length = %d", __FUNCTION__,
debug_msg_length);
return WIFI_ERROR_UNKNOWN;
}
ret = nanCommand->create();
if (ret < 0)
goto cleanup;
/* Set the interface Id of the message. */
ret = nanCommand->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
ret = nanCommand->putNanDebugCommand(debug, debug_msg_length);
if (ret != 0) {
ALOGE("%s: putNanDebugCommand Error:%d",__FUNCTION__, ret);
goto cleanup;
}
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d",__FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return (wifi_error)ret;
}
wifi_error nan_initialize_vendor_cmd(wifi_interface_handle iface,
NanCommand **nanCommand)
{
int ret = 0;
interface_info *ifaceInfo = getIfaceInfo(iface);
wifi_handle wifiHandle = getWifiHandle(iface);
if (nanCommand == NULL) {
ALOGE("%s: Error nanCommand NULL", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
*nanCommand = new NanCommand(wifiHandle,
0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NDP);
if (*nanCommand == NULL) {
ALOGE("%s: Object creation failed", __FUNCTION__);
return WIFI_ERROR_OUT_OF_MEMORY;
}
/* Create the message */
ret = (*nanCommand)->create();
if (ret < 0)
goto cleanup;
ret = (*nanCommand)->set_iface_id(ifaceInfo->name);
if (ret < 0)
goto cleanup;
return WIFI_SUCCESS;
cleanup:
delete *nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_data_interface_create(transaction_id id,
wifi_interface_handle iface,
char* iface_name)
{
ALOGV("NAN_DP_INTERFACE_CREATE");
int ret = WIFI_SUCCESS;
struct nlattr *nlData;
NanCommand *nanCommand = NULL;
if (iface_name == NULL) {
ALOGE("%s: Invalid Nan Data Interface Name. \n", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
ret = nan_initialize_vendor_cmd(iface,
&nanCommand);
if (ret != WIFI_SUCCESS) {
ALOGE("%s: Initialization failed", __FUNCTION__);
return mapErrorKernelToWifiHAL(ret);
}
/* Add the vendor specific attributes for the NL command. */
nlData = nanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD,
QCA_WLAN_VENDOR_ATTR_NDP_INTERFACE_CREATE) ||
nanCommand->put_u16(
QCA_WLAN_VENDOR_ATTR_NDP_TRANSACTION_ID,
id) ||
nanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_NDP_IFACE_STR,
iface_name)) {
goto cleanup;
}
nanCommand->attr_end(nlData);
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_data_interface_delete(transaction_id id,
wifi_interface_handle iface,
char* iface_name)
{
ALOGV("NAN_DP_INTERFACE_DELETE");
int ret = WIFI_SUCCESS;
struct nlattr *nlData;
NanCommand *nanCommand = NULL;
if (iface_name == NULL) {
ALOGE("%s: Invalid Nan Data Interface Name. \n", __FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
ret = nan_initialize_vendor_cmd(iface,
&nanCommand);
if (ret != WIFI_SUCCESS) {
ALOGE("%s: Initialization failed", __FUNCTION__);
return mapErrorKernelToWifiHAL(ret);
}
/* Add the vendor specific attributes for the NL command. */
nlData = nanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD,
QCA_WLAN_VENDOR_ATTR_NDP_INTERFACE_DELETE) ||
nanCommand->put_u16(
QCA_WLAN_VENDOR_ATTR_NDP_TRANSACTION_ID,
id) ||
nanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_NDP_IFACE_STR,
iface_name)) {
goto cleanup;
}
nanCommand->attr_end(nlData);
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_data_request_initiator(transaction_id id,
wifi_interface_handle iface,
NanDataPathInitiatorRequest* msg)
{
ALOGV("NAN_DP_REQUEST_INITIATOR");
int ret = WIFI_SUCCESS;
struct nlattr *nlData, *nlCfgSecurity, *nlCfgQos;
NanCommand *nanCommand = NULL;
if (msg == NULL)
return WIFI_ERROR_INVALID_ARGS;
ret = nan_initialize_vendor_cmd(iface,
&nanCommand);
if (ret != WIFI_SUCCESS) {
ALOGE("%s: Initialization failed", __FUNCTION__);
return mapErrorKernelToWifiHAL(ret);
}
if ((msg->cipher_type != NAN_CIPHER_SUITE_SHARED_KEY_NONE) &&
(msg->key_info.body.pmk_info.pmk_len == 0) &&
(msg->key_info.body.passphrase_info.passphrase_len == 0)) {
ALOGE("%s: Failed-Initiator req, missing pmk and passphrase",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
if ((msg->cipher_type != NAN_CIPHER_SUITE_SHARED_KEY_NONE) &&
(msg->requestor_instance_id == OUT_OF_BAND_SERVICE_INSTANCE_ID) &&
(msg->service_name_len == 0)) {
ALOGE("%s: Failed-Initiator req, missing service name for out of band request",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
/* Add the vendor specific attributes for the NL command. */
nlData = nanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD,
QCA_WLAN_VENDOR_ATTR_NDP_INITIATOR_REQUEST) ||
nanCommand->put_u16(
QCA_WLAN_VENDOR_ATTR_NDP_TRANSACTION_ID,
id) ||
nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SERVICE_INSTANCE_ID,
msg->requestor_instance_id) ||
nanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_NDP_PEER_DISCOVERY_MAC_ADDR,
(char *)msg->peer_disc_mac_addr,
NAN_MAC_ADDR_LEN) ||
nanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_NDP_IFACE_STR,
msg->ndp_iface)) {
goto cleanup;
}
if (msg->channel_request_type != NAN_DP_CHANNEL_NOT_REQUESTED) {
if (nanCommand->put_u32 (
QCA_WLAN_VENDOR_ATTR_NDP_CHANNEL_CONFIG,
msg->channel_request_type) ||
nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_CHANNEL,
msg->channel))
goto cleanup;
}
if (msg->app_info.ndp_app_info_len != 0) {
if (nanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_NDP_APP_INFO,
(char *)msg->app_info.ndp_app_info,
msg->app_info.ndp_app_info_len)) {
goto cleanup;
}
}
if (msg->ndp_cfg.security_cfg == NAN_DP_CONFIG_SECURITY) {
nlCfgSecurity =
nanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_NDP_CONFIG_SECURITY);
if (!nlCfgSecurity)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SECURITY_TYPE,
0)) {
goto cleanup;
}
nanCommand->attr_end(nlCfgSecurity);
}
if (msg->ndp_cfg.qos_cfg == NAN_DP_CONFIG_QOS) {
nlCfgQos =
nanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_NDP_CONFIG_QOS);
if (!nlCfgQos)
goto cleanup;
/* TBD Qos Info */
nanCommand->attr_end(nlCfgQos);
}
if (msg->cipher_type != NAN_CIPHER_SUITE_SHARED_KEY_NONE) {
if (nanCommand->put_u32(QCA_WLAN_VENDOR_ATTR_NDP_CSID,
msg->cipher_type))
goto cleanup;
}
if ( msg->key_info.key_type == NAN_SECURITY_KEY_INPUT_PMK &&
msg->key_info.body.pmk_info.pmk_len == NAN_PMK_INFO_LEN) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_PMK,
(char *)msg->key_info.body.pmk_info.pmk,
msg->key_info.body.pmk_info.pmk_len))
goto cleanup;
} else if (msg->key_info.key_type == NAN_SECURITY_KEY_INPUT_PASSPHRASE &&
msg->key_info.body.passphrase_info.passphrase_len >=
NAN_SECURITY_MIN_PASSPHRASE_LEN &&
msg->key_info.body.passphrase_info.passphrase_len <=
NAN_SECURITY_MAX_PASSPHRASE_LEN) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_PASSPHRASE,
(char *)msg->key_info.body.passphrase_info.passphrase,
msg->key_info.body.passphrase_info.passphrase_len))
goto cleanup;
}
if (msg->service_name_len) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_SERVICE_NAME,
(char *)msg->service_name, msg->service_name_len))
goto cleanup;
}
nanCommand->attr_end(nlData);
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_data_indication_response(transaction_id id,
wifi_interface_handle iface,
NanDataPathIndicationResponse* msg)
{
ALOGV("NAN_DP_INDICATION_RESPONSE");
int ret = WIFI_SUCCESS;
struct nlattr *nlData, *nlCfgSecurity, *nlCfgQos;
NanCommand *nanCommand = NULL;
if (msg == NULL)
return WIFI_ERROR_INVALID_ARGS;
ret = nan_initialize_vendor_cmd(iface,
&nanCommand);
if (ret != WIFI_SUCCESS) {
ALOGE("%s: Initialization failed", __FUNCTION__);
return mapErrorKernelToWifiHAL(ret);
}
if ((msg->cipher_type != NAN_CIPHER_SUITE_SHARED_KEY_NONE) &&
(msg->key_info.body.pmk_info.pmk_len == 0) &&
(msg->key_info.body.passphrase_info.passphrase_len == 0)) {
ALOGE("%s: Failed-Initiator req, missing pmk and passphrase",
__FUNCTION__);
return WIFI_ERROR_INVALID_ARGS;
}
/* Add the vendor specific attributes for the NL command. */
nlData = nanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD,
QCA_WLAN_VENDOR_ATTR_NDP_RESPONDER_REQUEST) ||
nanCommand->put_u16(
QCA_WLAN_VENDOR_ATTR_NDP_TRANSACTION_ID,
id) ||
nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_INSTANCE_ID,
msg->ndp_instance_id) ||
nanCommand->put_string(
QCA_WLAN_VENDOR_ATTR_NDP_IFACE_STR,
msg->ndp_iface) ||
nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_RESPONSE_CODE,
msg->rsp_code)) {
goto cleanup;
}
if (msg->app_info.ndp_app_info_len != 0) {
if (nanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_NDP_APP_INFO,
(char *)msg->app_info.ndp_app_info,
msg->app_info.ndp_app_info_len)) {
goto cleanup;
}
}
if (msg->ndp_cfg.security_cfg == NAN_DP_CONFIG_SECURITY) {
nlCfgSecurity =
nanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_NDP_CONFIG_SECURITY);
if (!nlCfgSecurity)
goto cleanup;
/* Setting value to 0 for now */
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SECURITY_TYPE,
0)) {
goto cleanup;
}
nanCommand->attr_end(nlCfgSecurity);
}
if (msg->ndp_cfg.qos_cfg == NAN_DP_CONFIG_QOS) {
nlCfgQos =
nanCommand->attr_start(QCA_WLAN_VENDOR_ATTR_NDP_CONFIG_QOS);
if (!nlCfgQos)
goto cleanup;
/* TBD Qos Info */
nanCommand->attr_end(nlCfgQos);
}
if (msg->cipher_type != NAN_CIPHER_SUITE_SHARED_KEY_NONE) {
if (nanCommand->put_u32(QCA_WLAN_VENDOR_ATTR_NDP_CSID,
msg->cipher_type))
goto cleanup;
}
if ( msg->key_info.key_type == NAN_SECURITY_KEY_INPUT_PMK &&
msg->key_info.body.pmk_info.pmk_len == NAN_PMK_INFO_LEN) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_PMK,
(char *)msg->key_info.body.pmk_info.pmk,
msg->key_info.body.pmk_info.pmk_len))
goto cleanup;
} else if (msg->key_info.key_type == NAN_SECURITY_KEY_INPUT_PASSPHRASE &&
msg->key_info.body.passphrase_info.passphrase_len >=
NAN_SECURITY_MIN_PASSPHRASE_LEN &&
msg->key_info.body.passphrase_info.passphrase_len <=
NAN_SECURITY_MAX_PASSPHRASE_LEN) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_PASSPHRASE,
(char *)msg->key_info.body.passphrase_info.passphrase,
msg->key_info.body.passphrase_info.passphrase_len))
goto cleanup;
}
if (msg->service_name_len) {
if (nanCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_NDP_SERVICE_NAME,
(char *)msg->service_name, msg->service_name_len))
goto cleanup;
}
nanCommand->attr_end(nlData);
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
wifi_error nan_data_end(transaction_id id,
wifi_interface_handle iface,
NanDataPathEndRequest* msg)
{
ALOGV("NAN_DP_END");
int ret = WIFI_SUCCESS;
struct nlattr *nlData;
NanCommand *nanCommand = NULL;
if (msg == NULL)
return WIFI_ERROR_INVALID_ARGS;
ret = nan_initialize_vendor_cmd(iface,
&nanCommand);
if (ret != WIFI_SUCCESS) {
ALOGE("%s: Initialization failed", __FUNCTION__);
return mapErrorKernelToWifiHAL(ret);
}
/* Add the vendor specific attributes for the NL command. */
nlData = nanCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
if (!nlData)
goto cleanup;
if (nanCommand->put_u32(
QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD,
QCA_WLAN_VENDOR_ATTR_NDP_END_REQUEST) ||
nanCommand->put_u16(
QCA_WLAN_VENDOR_ATTR_NDP_TRANSACTION_ID,
id) ||
nanCommand->put_bytes(
QCA_WLAN_VENDOR_ATTR_NDP_INSTANCE_ID_ARRAY,
(char *)msg->ndp_instance_id,
msg->num_ndp_instances * sizeof(u32))) {
goto cleanup;
}
nanCommand->attr_end(nlData);
ret = nanCommand->requestEvent();
if (ret != 0) {
ALOGE("%s: requestEvent Error:%d", __FUNCTION__, ret);
}
cleanup:
delete nanCommand;
return mapErrorKernelToWifiHAL(ret);
}
// Implementation related to nan class common functions
// Constructor
//Making the constructor private since this class is a singleton
NanCommand::NanCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd)
: WifiVendorCommand(handle, id, vendor_id, subcmd)
{
memset(&mHandler, 0,sizeof(mHandler));
mNanVendorEvent = NULL;
mNanDataLen = 0;
mStaParam = NULL;
}
NanCommand* NanCommand::instance(wifi_handle handle)
{
if (handle == NULL) {
ALOGE("Handle is invalid");
return NULL;
}
if (mNanCommandInstance == NULL) {
mNanCommandInstance = new NanCommand(handle, 0,
OUI_QCA,
QCA_NL80211_VENDOR_SUBCMD_NAN);
ALOGV("NanCommand %p created", mNanCommandInstance);
return mNanCommandInstance;
} else {
if (handle != getWifiHandle(mNanCommandInstance->mInfo)) {
/* upper layer must have cleaned up the handle and reinitialized,
so we need to update the same */
ALOGI("Handle different, update the handle");
mNanCommandInstance->mInfo = (hal_info *)handle;
}
}
ALOGV("NanCommand %p created already", mNanCommandInstance);
return mNanCommandInstance;
}
void NanCommand::cleanup()
{
//free the VendorData
if (mVendorData) {
free(mVendorData);
}
mVendorData = NULL;
//cleanup the mMsg
mMsg.destroy();
}
NanCommand::~NanCommand()
{
ALOGV("NanCommand %p destroyed", this);
}
int NanCommand::handleResponse(WifiEvent &reply){
return NL_SKIP;
}
int NanCommand::setCallbackHandler(NanCallbackHandler nHandler)
{
int res = WIFI_SUCCESS;
mHandler = nHandler;
res = registerVendorHandler(mVendor_id, QCA_NL80211_VENDOR_SUBCMD_NAN);
if (res != 0) {
//error case should not happen print log
ALOGE("%s: Unable to register Vendor Handler Vendor Id=0x%x"
"subcmd=QCA_NL80211_VENDOR_SUBCMD_NAN", __FUNCTION__, mVendor_id);
return res;
}
res = registerVendorHandler(mVendor_id, QCA_NL80211_VENDOR_SUBCMD_NDP);
if (res != 0) {
//error case should not happen print log
ALOGE("%s: Unable to register Vendor Handler Vendor Id=0x%x"
"subcmd=QCA_NL80211_VENDOR_SUBCMD_NDP", __FUNCTION__, mVendor_id);
return res;
}
return res;
}
/* This function implements creation of Vendor command */
int NanCommand::create() {
int ret = mMsg.create(NL80211_CMD_VENDOR, 0, 0);
if (ret < 0) {
goto out;
}
/* 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;
out:
if (ret < 0) {
mMsg.destroy();
}
return ret;
}
// This function will be the main handler for incoming event
// QCA_NL80211_VENDOR_SUBCMD_NAN
//Call the appropriate callback handler after parsing the vendor data.
int NanCommand::handleEvent(WifiEvent &event)
{
WifiVendorCommand::handleEvent(event);
ALOGV("%s: Subcmd=%u Vendor data len received:%d",
__FUNCTION__, mSubcmd, mDataLen);
hexdump(mVendorData, mDataLen);
if (mSubcmd == QCA_NL80211_VENDOR_SUBCMD_NAN){
// Parse the vendordata and get the NAN attribute
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
(struct nlattr *)mVendorData,
mDataLen, NULL);
// Populating the mNanVendorEvent and mNanDataLen to point to NAN data.
mNanVendorEvent = (char *)nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_NAN]);
mNanDataLen = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_NAN]);
if (isNanResponse()) {
//handleNanResponse will parse the data and call
//the response callback handler with the populated
//NanResponseMsg
handleNanResponse();
} else {
//handleNanIndication will parse the data and call
//the corresponding Indication callback handler
//with the corresponding populated Indication event
handleNanIndication();
}
} else if (mSubcmd == QCA_NL80211_VENDOR_SUBCMD_NDP) {
// Parse the vendordata and get the NAN attribute
u32 ndpCmdType;
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_NDP_AFTER_LAST + 1];
nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_NDP_MAX,
(struct nlattr *)mVendorData,
mDataLen, NULL);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD]) {
ndpCmdType =
nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NDP_SUBCMD]);
ALOGD("%s: NDP Cmd Type : val 0x%x",
__FUNCTION__, ndpCmdType);
switch (ndpCmdType) {
case QCA_WLAN_VENDOR_ATTR_NDP_INTERFACE_CREATE:
handleNdpResponse(NAN_DP_INTERFACE_CREATE, tb_vendor);
break;
case QCA_WLAN_VENDOR_ATTR_NDP_INTERFACE_DELETE:
handleNdpResponse(NAN_DP_INTERFACE_DELETE, tb_vendor);
break;
case QCA_WLAN_VENDOR_ATTR_NDP_INITIATOR_RESPONSE:
handleNdpResponse(NAN_DP_INITIATOR_RESPONSE, tb_vendor);
break;
case QCA_WLAN_VENDOR_ATTR_NDP_RESPONDER_RESPONSE:
handleNdpResponse(NAN_DP_RESPONDER_RESPONSE, tb_vendor);
break;
case QCA_WLAN_VENDOR_ATTR_NDP_END_RESPONSE:
handleNdpResponse(NAN_DP_END, tb_vendor);
break;
case QCA_WLAN_VENDOR_ATTR_NDP_DATA_REQUEST_IND:
case QCA_WLAN_VENDOR_ATTR_NDP_CONFIRM_IND:
case QCA_WLAN_VENDOR_ATTR_NDP_END_IND:
handleNdpIndication(ndpCmdType, tb_vendor);
break;
default:
ALOGE("%s: Invalid NDP subcmd response received %d",
__FUNCTION__, ndpCmdType);
}
}
} else {
//error case should not happen print log
ALOGE("%s: Wrong NAN subcmd received %d", __FUNCTION__, mSubcmd);
}
return NL_SKIP;
}
/*Helper function to Write and Read TLV called in indication as well as request */
u16 NANTLV_WriteTlv(pNanTlv pInTlv, u8 *pOutTlv)
{
u16 writeLen = 0;
u16 i;
if (!pInTlv)
{
ALOGE("NULL pInTlv");
return writeLen;
}
if (!pOutTlv)
{
ALOGE("NULL pOutTlv");
return writeLen;
}
*pOutTlv++ = pInTlv->type & 0xFF;
*pOutTlv++ = (pInTlv->type & 0xFF00) >> 8;
writeLen += 2;
ALOGV("WRITE TLV type %u, writeLen %u", pInTlv->type, writeLen);
*pOutTlv++ = pInTlv->length & 0xFF;
*pOutTlv++ = (pInTlv->length & 0xFF00) >> 8;
writeLen += 2;
ALOGV("WRITE TLV length %u, writeLen %u", pInTlv->length, writeLen);
for (i=0; i < pInTlv->length; ++i)
{
*pOutTlv++ = pInTlv->value[i];
}
writeLen += pInTlv->length;
ALOGV("WRITE TLV value, writeLen %u", writeLen);
return writeLen;
}
u16 NANTLV_ReadTlv(u8 *pInTlv, pNanTlv pOutTlv)
{
u16 readLen = 0;
if (!pInTlv)
{
ALOGE("NULL pInTlv");
return readLen;
}
if (!pOutTlv)
{
ALOGE("NULL pOutTlv");
return readLen;
}
pOutTlv->type = *pInTlv++;
pOutTlv->type |= *pInTlv++ << 8;
readLen += 2;
ALOGV("READ TLV type %u, readLen %u", pOutTlv->type, readLen);
pOutTlv->length = *pInTlv++;
pOutTlv->length |= *pInTlv++ << 8;
readLen += 2;
ALOGV("READ TLV length %u, readLen %u", pOutTlv->length, readLen);
if (pOutTlv->length) {
pOutTlv->value = pInTlv;
readLen += pOutTlv->length;
} else {
pOutTlv->value = NULL;
}
ALOGV("READ TLV readLen %u", readLen);
return readLen;
}
u8* addTlv(u16 type, u16 length, const u8* value, u8* pOutTlv)
{
NanTlv nanTlv;
u16 len;
nanTlv.type = type;
nanTlv.length = length;
nanTlv.value = (u8*)value;
len = NANTLV_WriteTlv(&nanTlv, pOutTlv);
return (pOutTlv + len);
}