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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef __WIFI_HAL_NAN_COMMAND_H__
     18 #define __WIFI_HAL_NAN_COMMAND_H__
     19 
     20 #include "common.h"
     21 #include "cpp_bindings.h"
     22 #include "wifi_hal.h"
     23 
     24 class NanCommand : public WifiVendorCommand
     25 {
     26 private:
     27     NanCallbackHandler mHandler;
     28     char *mNanVendorEvent;
     29     u32 mNanDataLen;
     30     NanStaParameter *mStaParam;
     31 
     32     //Function to check the initial few bytes of data to
     33     //determine whether NanResponse or NanEvent
     34     int isNanResponse();
     35     //Function which unparses the data and calls the NotifyResponse
     36     int handleNanResponse();
     37     //Function which will parse the mVendorData and gets
     38     // the rsp_data appropriately.
     39     int getNanResponse(transaction_id *id, NanResponseMsg *pRsp);
     40     //Function which will return the Nan Indication type based on
     41     //the initial few bytes of mVendorData
     42     NanIndicationType getIndicationType();
     43     //Function which calls the necessaryIndication callback
     44     //based on the indication type
     45     int handleNanIndication();
     46     //Various Functions to get the appropriate indications
     47     int getNanPublishTerminated(NanPublishTerminatedInd *event);
     48     int getNanMatch(NanMatchInd *event);
     49     int getNanMatchExpired(NanMatchExpiredInd *event);
     50     int getNanSubscribeTerminated(NanSubscribeTerminatedInd *event);
     51     int getNanFollowup(NanFollowupInd *event);
     52     int getNanDiscEngEvent(NanDiscEngEventInd *event);
     53     int getNanDisabled(NanDisabledInd *event);
     54     int getNanTca(NanTCAInd *event);
     55     int getNanBeaconSdfPayload(NanBeaconSdfPayloadInd *event);
     56     //Internal cleanup function
     57     void cleanup();
     58 
     59     static NanCommand *mNanCommandInstance;
     60 
     61     // Other private helper functions
     62     int calcNanTransmitPostDiscoverySize(
     63         const NanTransmitPostDiscovery *pPostDiscovery);
     64     void fillNanSocialChannelParamVal(
     65         const NanSocialChannelScanParams *pScanParams,
     66         u32* pChannelParamArr);
     67     u32 getNanTransmitPostConnectivityCapabilityVal(
     68         const NanTransmitPostConnectivityCapability *pCapab);
     69     void fillNanTransmitPostDiscoveryVal(
     70         const NanTransmitPostDiscovery *pTxDisc,
     71         u8 *pOutValue);
     72     int calcNanFurtherAvailabilityMapSize(
     73         const NanFurtherAvailabilityMap *pFam);
     74     void fillNanFurtherAvailabilityMapVal(
     75         const NanFurtherAvailabilityMap *pFam,
     76         u8 *pOutValue);
     77 
     78     void getNanReceivePostConnectivityCapabilityVal(
     79         const u8* pInValue,
     80         NanReceivePostConnectivityCapability *pRxCapab);
     81     int getNanReceivePostDiscoveryVal(const u8 *pInValue,
     82                                       u32 length,
     83                                       NanReceivePostDiscovery *pRxDisc);
     84     int getNanFurtherAvailabilityMap(const u8 *pInValue,
     85                                      u32 length,
     86                                      u8* num_chans,
     87                                      NanFurtherAvailabilityChannel *pFac);
     88     void handleNanStatsResponse(NanStatsType stats_type,
     89                                 char* rspBuf,
     90                                 NanStatsResponse *pRsp);
     91 
     92 public:
     93     NanCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd);
     94     static NanCommand* instance(wifi_handle handle);
     95     virtual ~NanCommand();
     96 
     97     // This function implements creation of NAN specific Request
     98     // based on  the request type
     99     virtual int create();
    100     virtual int requestEvent();
    101     virtual int handleResponse(WifiEvent &reply);
    102     virtual int handleEvent(WifiEvent &event);
    103     int setCallbackHandler(NanCallbackHandler nHandler);
    104 
    105 
    106     //Functions to fill the vendor data appropriately
    107     int putNanEnable(transaction_id id, const NanEnableRequest *pReq);
    108     int putNanDisable(transaction_id id);
    109     int putNanPublish(transaction_id id, const NanPublishRequest *pReq);
    110     int putNanPublishCancel(transaction_id id, const NanPublishCancelRequest *pReq);
    111     int putNanSubscribe(transaction_id id, const NanSubscribeRequest *pReq);
    112     int putNanSubscribeCancel(transaction_id id, const NanSubscribeCancelRequest *pReq);
    113     int putNanTransmitFollowup(transaction_id id, const NanTransmitFollowupRequest *pReq);
    114     int putNanStats(transaction_id id, const NanStatsRequest *pReq);
    115     int putNanConfig(transaction_id id, const NanConfigRequest *pReq);
    116     int putNanTCA(transaction_id id, const NanTCARequest *pReq);
    117     int putNanBeaconSdfPayload(transaction_id id, const NanBeaconSdfPayloadRequest *pReq);
    118     int getNanStaParameter(wifi_interface_handle iface, NanStaParameter *pRsp);
    119     int putNanCapabilities(transaction_id id);
    120 };
    121 #endif /* __WIFI_HAL_NAN_COMMAND_H__ */
    122 
    123