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stm32驱动wifi88W8686WMGMR09edited.docx

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stm32驱动wifi88W8686WMGMR09edited.docx

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stm32驱动wifi88W8686WMGMR09edited.docx

stm32驱动wifi88W8686WMGMR09edited

F:

\WiFi_V2.1\src\wifi\wlan_scan.c

#include"wifi.h"

#include

#include

#include

/********************************************************

LocalConstants

********************************************************/

//!

Approximateamountofdataneededtopassascanresultbacktoiwlist

#defineMAX_SCAN_CELL_SIZE（IW_EV_ADDR_LEN\

+MRVDRV_MAX_SSID_LENGTH\

+IW_EV_UINT_LEN\

+IW_EV_FREQ_LEN\

+IW_EV_QUAL_LEN\

+MRVDRV_MAX_SSID_LENGTH\

+IW_EV_PARAM_LEN\

+40）/*40forWPAIE*/

//!

MemoryneededtostoreamaxsizedChannelListTLVforafirmwarescan

#defineCHAN_TLV_MAX_SIZE（sizeof（MrvlIEtypesHeader_t）\

+（MRVDRV_MAX_CHANNELS_PER_SCAN\

*sizeof（ChanScanParamSet_t）））

//!

Memoryneededtostoreamaxnumber/sizeSSIDTLVforafirmwarescan

#defineSSID_TLV_MAX_SIZE（1*sizeof（MrvlIEtypes_SsIdParamSet_t））

//!

WPSTLVMAXsizeisMAXIEsizeplus2bytesforu16MRVLTLVextension

#defineWPS_TLV_MAX_SIZE（sizeof（IEEEtypes_VendorSpecific_t）+2）

//!

Maximummemoryneededforawlan_scan_cmd_configwithallTLVsatmax

#defineMAX_SCAN_CFG_ALLOC（sizeof（wlan_scan_cmd_config）\

+sizeof（MrvlIEtypes_NumProbes_t）\

+CHAN_TLV_MAX_SIZE\

+SSID_TLV_MAX_SIZE\

+WPS_TLV_MAX_SIZE）

//!

Themaximumnumberofchannelsthefirmwarecanscanpercommand

#defineMRVDRV_MAX_CHANNELS_PER_SCAN14

/**

*@briefNumberofchannelstoscanperfirmwarescancommandissuance.

*

*Numberrestrictedtopreventhittingthelimitontheamountofscandata

*returnedinasinglefirmwarescancommand.

*/

#defineMRVDRV_CHANNELS_PER_SCAN_CMD4

//!

Macrotoenable/disableSSIDcheckingbeforestoringascantable

#ifdefDISCARD_BAD_SSID

#defineCHECK_SSID_IS_VALID（x）ssid_valid（&bssidEntry.Ssid）

Page:

1

F:

\WiFi_V2.1\src\wifi\wlan_scan.c

#else

#defineCHECK_SSID_IS_VALID（x）TRUE

#endif

/********************************************************

LocalVariablesandTypes

********************************************************/

/**

*@briefInterallyusedtosendaconfiguredscancmdbetweendriverroutines

*/

typedefunion

{

wlan_scan_cmd_configconfig;//!

u8configAllocBuf[MAX_SCAN_CFG_ALLOC];//!

}wlan_scan_cmd_config_tlv;

/**

*@briefCheckifascannednetworkcompatiblewiththedriversettings

*

*WEPWPAWPA2ad-hocencryptNetwork

*enabledenabledenabledAESmodePrivacyWPAWPA2Compatible

*0000NONE000yesNosecurity

*0100x1x1xyesWPA

*0010x1xx1yesWPA2

*0001NONE100yesAd-hocAES

*

*1000NONE100yesStaticWEP

*0000!

=NONE100yesDynamicWEP

*

*

*@paramAdapterApointertowlan_adapter

*@paramindexIndexinScanTabletocheckagainstcurrentdriversettings

*@parammodeNetworkmode:

InfrastructureorIBSS

*

*@returnIndexinScanTable,orerrorcodeifnegative

*/

staticint

IsNetworkCompatible（wlan_adapter*Adapter,intindex,intmode）

{

BSSDescriptor_t*pBSSDesc;

ENTER（）;

pBSSDesc=&Adapter->ScanTable[index];

/*Don'tcheckforcompatibilityifroaming*/

if（（Adapter->MediaConnectStatus==WlanMediaStateConnected）

&&（Adapter->InfrastructureMode==Wlan802_11Infrastructure）

&&（pBSSDesc->InfrastructureMode==Wlan802_11Infrastructure））{

LEAVE（）;

returnindex;

}

if（Adapter->wps.SessionEnable==TRUE）{

printf（"ReturnsuccessdirectlyinWPSperiod\n"）;

LEAVE（）;

returnindex;

}

if（pBSSDesc->InfrastructureMode==mode）{

if（Adapter->SecInfo.WEPStatus==Wlan802_11WEPDisabled

&&!

Adapter->SecInfo.WPAEnabled

&&!

Adapter->SecInfo.WPA2Enabled

&&pBSSDesc->wpaIE.VendHdr.ElementId!

=WPA_IE

&&pBSSDesc->rsnIE.IeeeHdr.ElementId!

=RSN_IE

&&!

Adapter->AdhocAESEnabled

&&Adapter->SecInfo.EncryptionMode==CIPHER_NONE

Page:

2

F:

\WiFi_V2.1\src\wifi\wlan_scan.c

&&!

pBSSDesc->Privacy）{

/*nosecurity*/

LEAVE（）;

returnindex;

}elseif（Adapter->SecInfo.WEPStatus==Wlan802_11WEPEnabled

&&!

Adapter->SecInfo.WPAEnabled

&&!

Adapter->SecInfo.WPA2Enabled

&&!

Adapter->AdhocAESEnabled&&pBSSDesc->Privacy）{

/*staticWEPenabled*/

LEAVE（）;

returnindex;

}elseif（Adapter->SecInfo.WEPStatus==Wlan802_11WEPDisabled

&&Adapter->SecInfo.WPAEnabled

&&!

Adapter->SecInfo.WPA2Enabled

&&（pBSSDesc->wpaIE.VendHdr.ElementId==WPA_IE）

&&!

Adapter->AdhocAESEnabled

/*PrivacybitmayNOTbesetinsomeAPslikeLinkSysWRT54G

&&pBSSDesc->Privacy*/

）{

/*WPAenabled*/

printf（"IsNetworkCompatible（）WPA:

index=%dwpa_ie=%#x"

"wpa2_ie=%#xWEP=%sWPA=%sWPA2=%sEncMode=%#x"

"privacy=%#x\n",

index,

pBSSDesc->wpaIE.VendHdr.ElementId,

pBSSDesc->rsnIE.IeeeHdr.ElementId,

（Adapter->SecInfo.WEPStatus==

Wlan802_11WEPEnabled）?

"e":

"d",

（Adapter->SecInfo.WPAEnabled）?

"e":

"d",

（Adapter->SecInfo.WPA2Enabled）?

"e":

"d",

Adapter->SecInfo.EncryptionMode,pBSSDesc->Privacy）;

LEAVE（）;

returnindex;

}elseif（Adapter->SecInfo.WEPStatus==Wlan802_11WEPDisabled

&&!

Adapter->SecInfo.WPAEnabled

&&Adapter->SecInfo.WPA2Enabled

&&（pBSSDesc->rsnIE.IeeeHdr.ElementId==RSN_IE）

&&!

Adapter->AdhocAESEnabled

/*PrivacybitmayNOTbesetinsomeAPslikeLinkSysWRT54G

&&pBSSDesc->Privacy*/

）{

/*WPA2enabled*/

printf（"IsNetworkCompatible（）WPA2:

index=%dwpa_ie=%#x"

"wpa2_ie=%#xWEP=%sWPA=%sWPA2=%sEncMode=%#x"

"privacy=%#x\n",

index,

pBSSDesc->wpaIE.VendHdr.ElementId,

pBSSDesc->rsnIE.IeeeHdr.ElementId,

（Adapter->SecInfo.WEPStatus==

Wlan802_11WEPEnabled）?

"e":

"d",

（Adapter->SecInfo.WPAEnabled）?

"e":

"d",

（Adapter->SecInfo.WPA2Enabled）?

"e":

"d",

Adapter->SecInfo.EncryptionMode,pBSSDesc->Privacy）;

LEAVE（）;

returnindex;

}elseif（Adapter->SecInfo.WEPStatus==Wlan802_11WEPDisabled

&&!

Adapter->SecInfo.WPAEnabled

&&!

Adapter->SecInfo.WPA2Enabled

&&（pBSSDesc->wpaIE.VendHdr.ElementId!

=WPA_IE）

&&（pBSSDesc->rsnIE.IeeeHdr.ElementId!

=RSN_IE）

&&Adapter->AdhocAESEnabled

&&Adapter->SecInfo.EncryptionMode==CIPHER_NONE

&&pBSSDesc->Privacy）{

/*Ad-hocAESenabled*/

LEAVE（）;

returnindex;

}elseif（Adapter->SecInfo.WEPStatus==Wlan802_11WEPDisabled

&&!

Adapter->SecInfo.WPAEnabled

Page:

3

F:

\WiFi_V2.1\src\wifi\wlan_scan.c

&&!

Adapter->SecInfo.WPA2Enabled

&&（pBSSDesc->wpaIE.VendHdr.ElementId!

=WPA_IE）

&&（pBSSDesc->rsnIE.IeeeHdr.ElementId!

=RSN_IE）

&&!

Adapter->AdhocAESEnabled

&&Adapter->SecInfo.EncryptionMode!

=CIPHER_NONE

&&pBSSDesc->Privacy）{

/*dynamicWEPenabled*/

printf（"IsNetworkCompatible（）dynamicWEP:

index=%d"

"wpa_ie=%#xwpa2_ie=%#xEncMode=%#xprivacy=%#x\n",

index,

pBSSDesc->wpaIE.VendHdr.ElementId,

pBSSDesc->rsnIE.IeeeHdr.ElementId,

Adapter->SecInfo.EncryptionMode,pBSSDesc->Privacy）;

LEAVE（）;

returnindex;

}

/*securitydoesn'tmatch*/

printf（"IsNetworkCompatible（）FAILED:

index=%dwpa_ie=%#x"

"wpa2_ie=%#xWEP=%sWPA=%sWPA2=%sEncMode=%#xprivacy=%#x\n",

index,

pBSSDesc->wpaIE.VendHdr.ElementId,

pBSSDesc->rsnIE.IeeeHdr.ElementId,

（Adapter->SecInfo.WEPStatus==

Wlan802_11WEPEnabled）?

"e":

"d",

（Adapter->SecInfo.WPAEnabled）?

"e":

"d",

（Adapter->SecInfo.WPA2Enabled）?

"e":

"d",

Adapter->SecInfo.EncryptionMode,pBSSDesc->Privacy）;

LEAVE（）;

return-ECONNREFUSED;

}

/*modedoesn'tmatch*/

LEAVE（）;

return-ENETUNREACH;

}

/**

*@briefThisfunctionvalidatesaSSIDasbeingabletobeprinted

*

*@parampSsidSSIDstructuretovalidate

*

*@returnTRUEorFALSE

*/

staticBOOLEAN

ssid_valid（WLAN_802_11_SSID*pSsid）

{

intssidIdx;

for（ssidIdx=0;ssidIdxSsidLength;ssidIdx++）{

if（!

isprint（pSsid->Ssid[ssidIdx]））{

returnFALSE;

}

}

returnTRUE;

}

/**

*@briefPostprocessthescantableafteranewscancommandhascompleted

*

*Inspecteachentryofthescantableandtrytofindanentrythat

*matchesourcurrentassociated/joinednetworkfromthescan.If

*oneisfound,updatethestoredcopyoftheBSSDescriptorforour

*currentnetwork.

*

*Debugdumpthecurrentscantablecontentsifcompiledaccordingly.

*

Page:

4

F:

\WiFi_V2.1\src\wifi\wlan_scan.c

*@paramprivApointertowlan_privatestructure

*

*@returnvoid

*/

staticvoid

wlan_scan_process_results（wlan_private*priv）

{

wlan_adapter*Adapter=priv->adapter;

inti;

//intfoundCurrent;

//foundCurrent=FALSE;

if（Adapter->MediaConnectStatus==WlanMediaStateConnected）{

Adapter->CurBssParams.BSSDescriptor.pBeaconBuf=NULL;

Adapter->CurBssParams.BSSDescriptor.beaconBufSize=0;

Adapter->CurBssParams.BSSDescriptor.beaconBufSizeMax=0;

i=FindSSIDInList（Adapter,

&Adapter->CurBssParams.BSSDescriptor.Ssid,

Adapter->CurBssParams.BSSDescriptor.MacAddress,

Adapter->InfrastructureMode）;

if（i>=0）{

printf（"Foundcurrentssid/bssidinlist@index#%d\n",i）;

/*MakeacopyofcurrentBSSIDdescriptor*/

memcpy（&Adapter->CurBssParams.BSSDescriptor,

&Adapter->ScanTable[i],

sizeof（Adapter->CurBssParams.BSSDescriptor））;

}

}

for（i=0;iNumInScanTable;i++）{

printf（"Scan:

（%02d）%02x:

%02x:

%02x:

%02x:

%02x:

%02x,"

"RSSI[%03d],SSID[%s]\n",

i,

Adapter->ScanTable[i].MacAddress[0],

Adapter->ScanTable[i].MacAddress[1],

Adapter->ScanTable[i].MacAddress[2],

Adapter->ScanTable[i].MacAddress[3],

Adapter->ScanTable[i].MacAddress[4],

Adapter->ScanTable[i].MacAddress[5],

（s32）Adapter->ScanTable[i].Rssi,

Adapter->ScanTable[i].Ssid.Ssid）;

}

}

/**

*@briefCreateachannellistforthedrivertoscanbasedonregioninfo

*

*Usethedriverregion/bandinformationtoconstructacomprehensivelist

*ofchannelstoscan.Thisroutineisusedforanyscanthatisnot

*providedaspecificchannellisttoscan.

*

*@paramprivApointertowlan_privatestructure

*@paramscanChanListOutputparameter:

Resultingchannellisttoscan

*@paramfilteredScanFlagindicatingwhetherornotaBSSIDorSSIDfilter

*isbeingsentinthecommandtofirmware.Usedto

*increasethenumber

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