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*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
assoc.c
Abstract:
Revision History:
Who When What
-------- ---------- ----------------------------------------------
John 2004-9-3 porting from RT2500
Justin P. Mattock 11/07/2010 Fix typos
*/
#include "../rt_config.h"
u8 CipherWpaTemplate[] = {
0xdd, /* WPA IE */
0x16, /* Length */
0x00, 0x50, 0xf2, 0x01, /* oui */
0x01, 0x00, /* Version */
0x00, 0x50, 0xf2, 0x02, /* Multicast */
0x01, 0x00, /* Number of unicast */
0x00, 0x50, 0xf2, 0x02, /* unicast */
0x01, 0x00, /* number of authentication method */
0x00, 0x50, 0xf2, 0x01 /* authentication */
};
u8 CipherWpa2Template[] = {
0x30, /* RSN IE */
0x14, /* Length */
0x01, 0x00, /* Version */
0x00, 0x0f, 0xac, 0x02, /* group cipher, TKIP */
0x01, 0x00, /* number of pairwise */
0x00, 0x0f, 0xac, 0x02, /* unicast */
0x01, 0x00, /* number of authentication method */
0x00, 0x0f, 0xac, 0x02, /* authentication */
0x00, 0x00, /* RSN capability */
};
u8 Ccx2IeInfo[] = { 0x00, 0x40, 0x96, 0x03, 0x02 };
/*
==========================================================================
Description:
association state machine init, including state transition and timer init
Parameters:
S - pointer to the association state machine
IRQL = PASSIVE_LEVEL
==========================================================================
*/
void AssocStateMachineInit(struct rt_rtmp_adapter *pAd,
struct rt_state_machine *S, OUT STATE_MACHINE_FUNC Trans[])
{
StateMachineInit(S, Trans, MAX_ASSOC_STATE, MAX_ASSOC_MSG,
(STATE_MACHINE_FUNC) Drop, ASSOC_IDLE,
ASSOC_MACHINE_BASE);
/* first column */
StateMachineSetAction(S, ASSOC_IDLE, MT2_MLME_ASSOC_REQ,
(STATE_MACHINE_FUNC) MlmeAssocReqAction);
StateMachineSetAction(S, ASSOC_IDLE, MT2_MLME_REASSOC_REQ,
(STATE_MACHINE_FUNC) MlmeReassocReqAction);
StateMachineSetAction(S, ASSOC_IDLE, MT2_MLME_DISASSOC_REQ,
(STATE_MACHINE_FUNC) MlmeDisassocReqAction);
StateMachineSetAction(S, ASSOC_IDLE, MT2_PEER_DISASSOC_REQ,
(STATE_MACHINE_FUNC) PeerDisassocAction);
/* second column */
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_MLME_ASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenAssoc);
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_MLME_REASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenReassoc);
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_MLME_DISASSOC_REQ,
(STATE_MACHINE_FUNC)
InvalidStateWhenDisassociate);
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_PEER_DISASSOC_REQ,
(STATE_MACHINE_FUNC) PeerDisassocAction);
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_PEER_ASSOC_RSP,
(STATE_MACHINE_FUNC) PeerAssocRspAction);
/* */
/* Patch 3Com AP MOde:3CRWE454G72 */
/* We send Assoc request frame to this AP, it always send Reassoc Rsp not Associate Rsp. */
/* */
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_PEER_REASSOC_RSP,
(STATE_MACHINE_FUNC) PeerAssocRspAction);
StateMachineSetAction(S, ASSOC_WAIT_RSP, MT2_ASSOC_TIMEOUT,
(STATE_MACHINE_FUNC) AssocTimeoutAction);
/* third column */
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_MLME_ASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenAssoc);
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_MLME_REASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenReassoc);
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_MLME_DISASSOC_REQ,
(STATE_MACHINE_FUNC)
InvalidStateWhenDisassociate);
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_PEER_DISASSOC_REQ,
(STATE_MACHINE_FUNC) PeerDisassocAction);
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_PEER_REASSOC_RSP,
(STATE_MACHINE_FUNC) PeerReassocRspAction);
/* */
/* Patch, AP doesn't send Reassociate Rsp frame to Station. */
/* */
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_PEER_ASSOC_RSP,
(STATE_MACHINE_FUNC) PeerReassocRspAction);
StateMachineSetAction(S, REASSOC_WAIT_RSP, MT2_REASSOC_TIMEOUT,
(STATE_MACHINE_FUNC) ReassocTimeoutAction);
/* fourth column */
StateMachineSetAction(S, DISASSOC_WAIT_RSP, MT2_MLME_ASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenAssoc);
StateMachineSetAction(S, DISASSOC_WAIT_RSP, MT2_MLME_REASSOC_REQ,
(STATE_MACHINE_FUNC) InvalidStateWhenReassoc);
StateMachineSetAction(S, DISASSOC_WAIT_RSP, MT2_MLME_DISASSOC_REQ,
(STATE_MACHINE_FUNC)
InvalidStateWhenDisassociate);
StateMachineSetAction(S, DISASSOC_WAIT_RSP, MT2_PEER_DISASSOC_REQ,
(STATE_MACHINE_FUNC) PeerDisassocAction);
StateMachineSetAction(S, DISASSOC_WAIT_RSP, MT2_DISASSOC_TIMEOUT,
(STATE_MACHINE_FUNC) DisassocTimeoutAction);
/* initialize the timer */
RTMPInitTimer(pAd, &pAd->MlmeAux.AssocTimer,
GET_TIMER_FUNCTION(AssocTimeout), pAd, FALSE);
RTMPInitTimer(pAd, &pAd->MlmeAux.ReassocTimer,
GET_TIMER_FUNCTION(ReassocTimeout), pAd, FALSE);
RTMPInitTimer(pAd, &pAd->MlmeAux.DisassocTimer,
GET_TIMER_FUNCTION(DisassocTimeout), pAd, FALSE);
}
/*
==========================================================================
Description:
Association timeout procedure. After association timeout, this function
will be called and it will put a message into the MLME queue
Parameters:
Standard timer parameters
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void AssocTimeout(void *SystemSpecific1,
void *FunctionContext,
void *SystemSpecific2, void *SystemSpecific3)
{
struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
/* Do nothing if the driver is starting halt state. */
/* This might happen when timer already been fired before cancel timer with mlmehalt */
if (RTMP_TEST_FLAG
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
return;
MlmeEnqueue(pAd, ASSOC_STATE_MACHINE, MT2_ASSOC_TIMEOUT, 0, NULL);
RTMP_MLME_HANDLER(pAd);
}
/*
==========================================================================
Description:
Reassociation timeout procedure. After reassociation timeout, this
function will be called and put a message into the MLME queue
Parameters:
Standard timer parameters
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void ReassocTimeout(void *SystemSpecific1,
void *FunctionContext,
void *SystemSpecific2, void *SystemSpecific3)
{
struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
/* Do nothing if the driver is starting halt state. */
/* This might happen when timer already been fired before cancel timer with mlmehalt */
if (RTMP_TEST_FLAG
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
return;
MlmeEnqueue(pAd, ASSOC_STATE_MACHINE, MT2_REASSOC_TIMEOUT, 0, NULL);
RTMP_MLME_HANDLER(pAd);
}
/*
==========================================================================
Description:
Disassociation timeout procedure. After disassociation timeout, this
function will be called and put a message into the MLME queue
Parameters:
Standard timer parameters
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void DisassocTimeout(void *SystemSpecific1,
void *FunctionContext,
void *SystemSpecific2, void *SystemSpecific3)
{
struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
/* Do nothing if the driver is starting halt state. */
/* This might happen when timer already been fired before cancel timer with mlmehalt */
if (RTMP_TEST_FLAG
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
return;
MlmeEnqueue(pAd, ASSOC_STATE_MACHINE, MT2_DISASSOC_TIMEOUT, 0, NULL);
RTMP_MLME_HANDLER(pAd);
}
/*
==========================================================================
Description:
mlme assoc req handling procedure
Parameters:
Adapter - Adapter pointer
Elem - MLME Queue Element
Pre:
the station has been authenticated and the following information is stored in the config
-# SSID
-# supported rates and their length
-# listen interval (Adapter->StaCfg.default_listen_count)
-# Transmit power (Adapter->StaCfg.tx_power)
Post :
-# An association request frame is generated and sent to the air
-# Association timer starts
-# Association state -> ASSOC_WAIT_RSP
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void MlmeAssocReqAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 ApAddr[6];
struct rt_header_802_11 AssocHdr;
u8 WmeIe[9] =
{ IE_VENDOR_SPECIFIC, 0x07, 0x00, 0x50, 0xf2, 0x02, 0x00, 0x01,
0x00 };
u16 ListenIntv;
unsigned long Timeout;
u16 CapabilityInfo;
BOOLEAN TimerCancelled;
u8 *pOutBuffer = NULL;
int NStatus;
unsigned long FrameLen = 0;
unsigned long tmp;
u16 VarIesOffset;
u16 Status;
/* Block all authentication request during WPA block period */
if (pAd->StaCfg.bBlockAssoc == TRUE) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - Block Assoc request during WPA block period!\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_ASSOC_CONF, 2,
&Status);
}
/* check sanity first */
else if (MlmeAssocReqSanity
(pAd, Elem->Msg, Elem->MsgLen, ApAddr, &CapabilityInfo,
&Timeout, &ListenIntv)) {
RTMPCancelTimer(&pAd->MlmeAux.AssocTimer, &TimerCancelled);
COPY_MAC_ADDR(pAd->MlmeAux.Bssid, ApAddr);
/* Get an unused nonpaged memory */
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - MlmeAssocReqAction() allocate memory failed \n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_FAIL_NO_RESOURCE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
MT2_ASSOC_CONF, 2, &Status);
return;
}
/* Add by James 03/06/27 */
pAd->StaCfg.AssocInfo.Length =
sizeof(struct rt_ndis_802_11_association_information);
/* Association don't need to report MAC address */
pAd->StaCfg.AssocInfo.AvailableRequestFixedIEs =
NDIS_802_11_AI_REQFI_CAPABILITIES |
NDIS_802_11_AI_REQFI_LISTENINTERVAL;
pAd->StaCfg.AssocInfo.RequestFixedIEs.Capabilities =
CapabilityInfo;
pAd->StaCfg.AssocInfo.RequestFixedIEs.ListenInterval =
ListenIntv;
/* Only reassociate need this */
/*COPY_MAC_ADDR(pAd->StaCfg.AssocInfo.RequestFixedIEs.CurrentAPAddress, ApAddr); */
pAd->StaCfg.AssocInfo.OffsetRequestIEs =
sizeof(struct rt_ndis_802_11_association_information);
NdisZeroMemory(pAd->StaCfg.ReqVarIEs, MAX_VIE_LEN);
/* First add SSID */
VarIesOffset = 0;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset, &SsidIe,
1);
VarIesOffset += 1;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset,
&pAd->MlmeAux.SsidLen, 1);
VarIesOffset += 1;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset,
pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen);
VarIesOffset += pAd->MlmeAux.SsidLen;
/* Second add Supported rates */
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset, &SupRateIe,
1);
VarIesOffset += 1;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset,
&pAd->MlmeAux.SupRateLen, 1);
VarIesOffset += 1;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset,
pAd->MlmeAux.SupRate, pAd->MlmeAux.SupRateLen);
VarIesOffset += pAd->MlmeAux.SupRateLen;
/* End Add by James */
if ((pAd->CommonCfg.Channel > 14) &&
(pAd->CommonCfg.bIEEE80211H == TRUE))
CapabilityInfo |= 0x0100;
DBGPRINT(RT_DEBUG_TRACE, ("ASSOC - Send ASSOC request...\n"));
MgtMacHeaderInit(pAd, &AssocHdr, SUBTYPE_ASSOC_REQ, 0, ApAddr,
ApAddr);
/* Build basic frame first */
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_header_802_11), &AssocHdr,
2, &CapabilityInfo,
2, &ListenIntv,
1, &SsidIe,
1, &pAd->MlmeAux.SsidLen,
pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid,
1, &SupRateIe,
1, &pAd->MlmeAux.SupRateLen,
pAd->MlmeAux.SupRateLen, pAd->MlmeAux.SupRate,
END_OF_ARGS);
if (pAd->MlmeAux.ExtRateLen != 0) {
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1, &ExtRateIe,
1, &pAd->MlmeAux.ExtRateLen,
pAd->MlmeAux.ExtRateLen,
pAd->MlmeAux.ExtRate, END_OF_ARGS);
FrameLen += tmp;
}
/* HT */
if ((pAd->MlmeAux.HtCapabilityLen > 0)
&& (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)) {
unsigned long TmpLen;
u8 HtLen;
u8 BROADCOM[4] = { 0x0, 0x90, 0x4c, 0x33 };
if (pAd->StaActive.SupportedPhyInfo.bPreNHt == TRUE) {
HtLen = SIZE_HT_CAP_IE + 4;
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 1, &WpaIe, 1, &HtLen,
4, &BROADCOM[0],
pAd->MlmeAux.HtCapabilityLen,
&pAd->MlmeAux.HtCapability,
END_OF_ARGS);
} else {
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 1, &HtCapIe, 1,
&pAd->MlmeAux.HtCapabilityLen,
pAd->MlmeAux.HtCapabilityLen,
&pAd->MlmeAux.HtCapability,
END_OF_ARGS);
}
FrameLen += TmpLen;
}
/* add Ralink proprietary IE to inform AP this STA is going to use AGGREGATION or PIGGY-BACK+AGGREGATION */
/* Case I: (Aggregation + Piggy-Back) */
/* 1. user enable aggregation, AND */
/* 2. Mac support piggy-back */
/* 3. AP annouces it's PIGGY-BACK+AGGREGATION-capable in BEACON */
/* Case II: (Aggregation) */
/* 1. user enable aggregation, AND */
/* 2. AP annouces it's AGGREGATION-capable in BEACON */
if (pAd->CommonCfg.bAggregationCapable) {
if ((pAd->CommonCfg.bPiggyBackCapable)
&& ((pAd->MlmeAux.APRalinkIe & 0x00000003) == 3)) {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43,
0x03, 0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 9, RalinkIe,
END_OF_ARGS);
FrameLen += TmpLen;
} else if (pAd->MlmeAux.APRalinkIe & 0x00000001) {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43,
0x01, 0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 9, RalinkIe,
END_OF_ARGS);
FrameLen += TmpLen;
}
} else {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43, 0x06,
0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen, 9,
RalinkIe, END_OF_ARGS);
FrameLen += TmpLen;
}
if (pAd->MlmeAux.APEdcaParm.bValid) {
if (pAd->CommonCfg.bAPSDCapable
&& pAd->MlmeAux.APEdcaParm.bAPSDCapable) {
struct rt_qbss_sta_info_parm QosInfo;
NdisZeroMemory(&QosInfo,
sizeof(struct rt_qbss_sta_info_parm));
QosInfo.UAPSD_AC_BE = pAd->CommonCfg.bAPSDAC_BE;
QosInfo.UAPSD_AC_BK = pAd->CommonCfg.bAPSDAC_BK;
QosInfo.UAPSD_AC_VI = pAd->CommonCfg.bAPSDAC_VI;
QosInfo.UAPSD_AC_VO = pAd->CommonCfg.bAPSDAC_VO;
QosInfo.MaxSPLength =
pAd->CommonCfg.MaxSPLength;
WmeIe[8] |= *(u8 *)& QosInfo;
} else {
/* The Parameter Set Count is set to ¡§0¡¨ in the association request frames */
/* WmeIe[8] |= (pAd->MlmeAux.APEdcaParm.EdcaUpdateCount & 0x0f); */
}
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
9, &WmeIe[0], END_OF_ARGS);
FrameLen += tmp;
}
/* */
/* Let WPA(#221) Element ID on the end of this association frame. */
/* Otherwise some AP will fail on parsing Element ID and set status fail on Assoc Rsp. */
/* For example: Put Vendor Specific IE on the front of WPA IE. */
/* This happens on AP (Model No:Linksys WRK54G) */
/* */
if (((pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPAPSK) ||
(pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA2PSK) ||
(pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA) ||
(pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA2)
)
) {
u8 RSNIe = IE_WPA;
if ((pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA2PSK)
|| (pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPA2)) {
RSNIe = IE_WPA2;
}
if ((pAd->StaCfg.WpaSupplicantUP !=
WPA_SUPPLICANT_ENABLE)
&& (pAd->StaCfg.bRSN_IE_FromWpaSupplicant == FALSE))
RTMPMakeRSNIE(pAd, pAd->StaCfg.AuthMode,
pAd->StaCfg.WepStatus, BSS0);
/* Check for WPA PMK cache list */
if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPA2) {
int idx;
BOOLEAN FoundPMK = FALSE;
/* Search chched PMKID, append it if existed */
for (idx = 0; idx < PMKID_NO; idx++) {
if (NdisEqualMemory
(ApAddr,
&pAd->StaCfg.SavedPMK[idx].BSSID,
6)) {
FoundPMK = TRUE;
break;
}
}
if (FoundPMK) {
/* Set PMK number */
*(u16 *)& pAd->StaCfg.RSN_IE[pAd->
StaCfg.
RSNIE_Len]
= 1;
NdisMoveMemory(&pAd->StaCfg.
RSN_IE[pAd->StaCfg.
RSNIE_Len + 2],
&pAd->StaCfg.
SavedPMK[idx].PMKID, 16);
pAd->StaCfg.RSNIE_Len += 18;
}
}
if ((pAd->StaCfg.WpaSupplicantUP ==
WPA_SUPPLICANT_ENABLE)
&& (pAd->StaCfg.bRSN_IE_FromWpaSupplicant ==
TRUE)) {
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
pAd->StaCfg.RSNIE_Len,
pAd->StaCfg.RSN_IE,
END_OF_ARGS);
} else {
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1, &RSNIe,
1, &pAd->StaCfg.RSNIE_Len,
pAd->StaCfg.RSNIE_Len,
pAd->StaCfg.RSN_IE,
END_OF_ARGS);
}
FrameLen += tmp;
if ((pAd->StaCfg.WpaSupplicantUP !=
WPA_SUPPLICANT_ENABLE)
|| (pAd->StaCfg.bRSN_IE_FromWpaSupplicant ==
FALSE)) {
/* Append Variable IE */
NdisMoveMemory(pAd->StaCfg.ReqVarIEs +
VarIesOffset, &RSNIe, 1);
VarIesOffset += 1;
NdisMoveMemory(pAd->StaCfg.ReqVarIEs +
VarIesOffset,
&pAd->StaCfg.RSNIE_Len, 1);
VarIesOffset += 1;
}
NdisMoveMemory(pAd->StaCfg.ReqVarIEs + VarIesOffset,
pAd->StaCfg.RSN_IE,
pAd->StaCfg.RSNIE_Len);
VarIesOffset += pAd->StaCfg.RSNIE_Len;
/* Set Variable IEs Length */
pAd->StaCfg.ReqVarIELen = VarIesOffset;
}
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
RTMPSetTimer(&pAd->MlmeAux.AssocTimer, Timeout);
pAd->Mlme.AssocMachine.CurrState = ASSOC_WAIT_RSP;
} else {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - MlmeAssocReqAction() sanity check failed. BUG!\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_INVALID_FORMAT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_ASSOC_CONF, 2,
&Status);
}
}
/*
==========================================================================
Description:
mlme reassoc req handling procedure
Parameters:
Elem -
Pre:
-# SSID (Adapter->StaCfg.ssid[])
-# BSSID (AP address, Adapter->StaCfg.bssid)
-# Supported rates (Adapter->StaCfg.supported_rates[])
-# Supported rates length (Adapter->StaCfg.supported_rates_len)
-# Tx power (Adapter->StaCfg.tx_power)
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void MlmeReassocReqAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 ApAddr[6];
struct rt_header_802_11 ReassocHdr;
u8 WmeIe[9] =
{ IE_VENDOR_SPECIFIC, 0x07, 0x00, 0x50, 0xf2, 0x02, 0x00, 0x01,
0x00 };
u16 CapabilityInfo, ListenIntv;
unsigned long Timeout;
unsigned long FrameLen = 0;
BOOLEAN TimerCancelled;
int NStatus;
unsigned long tmp;
u8 *pOutBuffer = NULL;
u16 Status;
/* Block all authentication request during WPA block period */
if (pAd->StaCfg.bBlockAssoc == TRUE) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - Block ReAssoc request during WPA block period!\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_REASSOC_CONF, 2,
&Status);
}
/* the parameters are the same as the association */
else if (MlmeAssocReqSanity
(pAd, Elem->Msg, Elem->MsgLen, ApAddr, &CapabilityInfo,
&Timeout, &ListenIntv)) {
RTMPCancelTimer(&pAd->MlmeAux.ReassocTimer, &TimerCancelled);
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - MlmeReassocReqAction() allocate memory failed \n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_FAIL_NO_RESOURCE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
MT2_REASSOC_CONF, 2, &Status);
return;
}
COPY_MAC_ADDR(pAd->MlmeAux.Bssid, ApAddr);
/* make frame, use bssid as the AP address?? */
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - Send RE-ASSOC request...\n"));
MgtMacHeaderInit(pAd, &ReassocHdr, SUBTYPE_REASSOC_REQ, 0,
ApAddr, ApAddr);
MakeOutgoingFrame(pOutBuffer, &FrameLen, sizeof(struct rt_header_802_11),
&ReassocHdr, 2, &CapabilityInfo, 2,
&ListenIntv, MAC_ADDR_LEN, ApAddr, 1, &SsidIe,
1, &pAd->MlmeAux.SsidLen,
pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid, 1,
&SupRateIe, 1, &pAd->MlmeAux.SupRateLen,
pAd->MlmeAux.SupRateLen, pAd->MlmeAux.SupRate,
END_OF_ARGS);
if (pAd->MlmeAux.ExtRateLen != 0) {
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1, &ExtRateIe,
1, &pAd->MlmeAux.ExtRateLen,
pAd->MlmeAux.ExtRateLen,
pAd->MlmeAux.ExtRate, END_OF_ARGS);
FrameLen += tmp;
}
if (pAd->MlmeAux.APEdcaParm.bValid) {
if (pAd->CommonCfg.bAPSDCapable
&& pAd->MlmeAux.APEdcaParm.bAPSDCapable) {
struct rt_qbss_sta_info_parm QosInfo;
NdisZeroMemory(&QosInfo,
sizeof(struct rt_qbss_sta_info_parm));
QosInfo.UAPSD_AC_BE = pAd->CommonCfg.bAPSDAC_BE;
QosInfo.UAPSD_AC_BK = pAd->CommonCfg.bAPSDAC_BK;
QosInfo.UAPSD_AC_VI = pAd->CommonCfg.bAPSDAC_VI;
QosInfo.UAPSD_AC_VO = pAd->CommonCfg.bAPSDAC_VO;
QosInfo.MaxSPLength =
pAd->CommonCfg.MaxSPLength;
WmeIe[8] |= *(u8 *)& QosInfo;
}
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
9, &WmeIe[0], END_OF_ARGS);
FrameLen += tmp;
}
/* HT */
if ((pAd->MlmeAux.HtCapabilityLen > 0)
&& (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)) {
unsigned long TmpLen;
u8 HtLen;
u8 BROADCOM[4] = { 0x0, 0x90, 0x4c, 0x33 };
if (pAd->StaActive.SupportedPhyInfo.bPreNHt == TRUE) {
HtLen = SIZE_HT_CAP_IE + 4;
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 1, &WpaIe, 1, &HtLen,
4, &BROADCOM[0],
pAd->MlmeAux.HtCapabilityLen,
&pAd->MlmeAux.HtCapability,
END_OF_ARGS);
} else {
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 1, &HtCapIe, 1,
&pAd->MlmeAux.HtCapabilityLen,
pAd->MlmeAux.HtCapabilityLen,
&pAd->MlmeAux.HtCapability,
END_OF_ARGS);
}
FrameLen += TmpLen;
}
/* add Ralink proprietary IE to inform AP this STA is going to use AGGREGATION or PIGGY-BACK+AGGREGATION */
/* Case I: (Aggregation + Piggy-Back) */
/* 1. user enable aggregation, AND */
/* 2. Mac support piggy-back */
/* 3. AP annouces it's PIGGY-BACK+AGGREGATION-capable in BEACON */
/* Case II: (Aggregation) */
/* 1. user enable aggregation, AND */
/* 2. AP annouces it's AGGREGATION-capable in BEACON */
if (pAd->CommonCfg.bAggregationCapable) {
if ((pAd->CommonCfg.bPiggyBackCapable)
&& ((pAd->MlmeAux.APRalinkIe & 0x00000003) == 3)) {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43,
0x03, 0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 9, RalinkIe,
END_OF_ARGS);
FrameLen += TmpLen;
} else if (pAd->MlmeAux.APRalinkIe & 0x00000001) {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43,
0x01, 0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen,
&TmpLen, 9, RalinkIe,
END_OF_ARGS);
FrameLen += TmpLen;
}
} else {
unsigned long TmpLen;
u8 RalinkIe[9] =
{ IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43, 0x04,
0x00, 0x00, 0x00 };
MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen, 9,
RalinkIe, END_OF_ARGS);
FrameLen += TmpLen;
}
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
RTMPSetTimer(&pAd->MlmeAux.ReassocTimer, Timeout); /* in mSec */
pAd->Mlme.AssocMachine.CurrState = REASSOC_WAIT_RSP;
} else {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - MlmeReassocReqAction() sanity check failed. BUG!\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_INVALID_FORMAT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_REASSOC_CONF, 2,
&Status);
}
}
/*
==========================================================================
Description:
Upper layer issues disassoc request
Parameters:
Elem -
IRQL = PASSIVE_LEVEL
==========================================================================
*/
void MlmeDisassocReqAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
struct rt_mlme_disassoc_req *pDisassocReq;
struct rt_header_802_11 DisassocHdr;
struct rt_header_802_11 * pDisassocHdr;
u8 *pOutBuffer = NULL;
unsigned long FrameLen = 0;
int NStatus;
BOOLEAN TimerCancelled;
unsigned long Timeout = 500;
u16 Status;
/* skip sanity check */
pDisassocReq = (struct rt_mlme_disassoc_req *)(Elem->Msg);
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - MlmeDisassocReqAction() allocate memory failed\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_FAIL_NO_RESOURCE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_DISASSOC_CONF, 2,
&Status);
return;
}
RTMPCancelTimer(&pAd->MlmeAux.DisassocTimer, &TimerCancelled);
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - Send DISASSOC request[BSSID::%pM (Reason=%d)\n",
pDisassocReq->Addr, pDisassocReq->Reason));
MgtMacHeaderInit(pAd, &DisassocHdr, SUBTYPE_DISASSOC, 0, pDisassocReq->Addr, pDisassocReq->Addr); /* patch peap ttls switching issue */
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_header_802_11), &DisassocHdr,
2, &pDisassocReq->Reason, END_OF_ARGS);
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
/* To patch Instance and Buffalo(N) AP */
/* Driver has to send deauth to Instance AP, but Buffalo(N) needs to send disassoc to reset Authenticator's state machine */
/* Therefore, we send both of them. */
pDisassocHdr = (struct rt_header_802_11 *) pOutBuffer;
pDisassocHdr->FC.SubType = SUBTYPE_DEAUTH;
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
pAd->StaCfg.DisassocReason = REASON_DISASSOC_STA_LEAVING;
COPY_MAC_ADDR(pAd->StaCfg.DisassocSta, pDisassocReq->Addr);
RTMPSetTimer(&pAd->MlmeAux.DisassocTimer, Timeout); /* in mSec */
pAd->Mlme.AssocMachine.CurrState = DISASSOC_WAIT_RSP;
RtmpOSWrielessEventSend(pAd, SIOCGIWAP, -1, NULL, NULL, 0);
}
/*
==========================================================================
Description:
peer sends assoc rsp back
Parameters:
Elme - MLME message containing the received frame
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void PeerAssocRspAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 CapabilityInfo, Status, Aid;
u8 SupRate[MAX_LEN_OF_SUPPORTED_RATES], SupRateLen;
u8 ExtRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRateLen;
u8 Addr2[MAC_ADDR_LEN];
BOOLEAN TimerCancelled;
u8 CkipFlag;
struct rt_edca_parm EdcaParm;
struct rt_ht_capability_ie HtCapability;
struct rt_add_ht_info_ie AddHtInfo; /* AP might use this additional ht info IE */
u8 HtCapabilityLen = 0;
u8 AddHtInfoLen;
u8 NewExtChannelOffset = 0xff;
if (PeerAssocRspSanity
(pAd, Elem->Msg, Elem->MsgLen, Addr2, &CapabilityInfo, &Status,
&Aid, SupRate, &SupRateLen, ExtRate, &ExtRateLen, &HtCapability,
&AddHtInfo, &HtCapabilityLen, &AddHtInfoLen, &NewExtChannelOffset,
&EdcaParm, &CkipFlag)) {
/* The frame is for me ? */
if (MAC_ADDR_EQUAL(Addr2, pAd->MlmeAux.Bssid)) {
DBGPRINT(RT_DEBUG_TRACE,
("PeerAssocRspAction():ASSOC - receive ASSOC_RSP to me (status=%d)\n",
Status));
DBGPRINT(RT_DEBUG_TRACE,
("PeerAssocRspAction():MacTable [%d].AMsduSize = %d. ClientStatusFlags = 0x%lx \n",
Elem->Wcid,
pAd->MacTab.Content[BSSID_WCID].AMsduSize,
pAd->MacTab.Content[BSSID_WCID].
ClientStatusFlags));
RTMPCancelTimer(&pAd->MlmeAux.AssocTimer,
&TimerCancelled);
if (Status == MLME_SUCCESS) {
u8 MaxSupportedRateIn500Kbps = 0;
u8 idx;
/* supported rates array may not be sorted. sort it and find the maximum rate */
for (idx = 0; idx < SupRateLen; idx++) {
if (MaxSupportedRateIn500Kbps <
(SupRate[idx] & 0x7f))
MaxSupportedRateIn500Kbps =
SupRate[idx] & 0x7f;
}
for (idx = 0; idx < ExtRateLen; idx++) {
if (MaxSupportedRateIn500Kbps <
(ExtRate[idx] & 0x7f))
MaxSupportedRateIn500Kbps =
ExtRate[idx] & 0x7f;
}
/* go to procedure listed on page 376 */
AssocPostProc(pAd, Addr2, CapabilityInfo, Aid,
SupRate, SupRateLen, ExtRate,
ExtRateLen, &EdcaParm,
&HtCapability, HtCapabilityLen,
&AddHtInfo);
StaAddMacTableEntry(pAd,
&pAd->MacTab.
Content[BSSID_WCID],
MaxSupportedRateIn500Kbps,
&HtCapability,
HtCapabilityLen, &AddHtInfo,
AddHtInfoLen,
CapabilityInfo);
}
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
MT2_ASSOC_CONF, 2, &Status);
}
} else {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - PeerAssocRspAction() sanity check fail\n"));
}
}
/*
==========================================================================
Description:
peer sends reassoc rsp
Parametrs:
Elem - MLME message cntaining the received frame
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void PeerReassocRspAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 CapabilityInfo;
u16 Status;
u16 Aid;
u8 SupRate[MAX_LEN_OF_SUPPORTED_RATES], SupRateLen;
u8 ExtRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRateLen;
u8 Addr2[MAC_ADDR_LEN];
u8 CkipFlag;
BOOLEAN TimerCancelled;
struct rt_edca_parm EdcaParm;
struct rt_ht_capability_ie HtCapability;
struct rt_add_ht_info_ie AddHtInfo; /* AP might use this additional ht info IE */
u8 HtCapabilityLen;
u8 AddHtInfoLen;
u8 NewExtChannelOffset = 0xff;
if (PeerAssocRspSanity
(pAd, Elem->Msg, Elem->MsgLen, Addr2, &CapabilityInfo, &Status,
&Aid, SupRate, &SupRateLen, ExtRate, &ExtRateLen, &HtCapability,
&AddHtInfo, &HtCapabilityLen, &AddHtInfoLen, &NewExtChannelOffset,
&EdcaParm, &CkipFlag)) {
if (MAC_ADDR_EQUAL(Addr2, pAd->MlmeAux.Bssid)) /* The frame is for me ? */
{
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - receive REASSOC_RSP to me (status=%d)\n",
Status));
RTMPCancelTimer(&pAd->MlmeAux.ReassocTimer,
&TimerCancelled);
if (Status == MLME_SUCCESS) {
/* go to procedure listed on page 376 */
AssocPostProc(pAd, Addr2, CapabilityInfo, Aid,
SupRate, SupRateLen, ExtRate,
ExtRateLen, &EdcaParm,
&HtCapability, HtCapabilityLen,
&AddHtInfo);
{
wext_notify_event_assoc(pAd);
RtmpOSWrielessEventSend(pAd, SIOCGIWAP,
-1,
&pAd->MlmeAux.
Bssid[0], NULL,
0);
}
}
/* CkipFlag is no use for reassociate */
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
MT2_REASSOC_CONF, 2, &Status);
}
} else {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - PeerReassocRspAction() sanity check fail\n"));
}
}
/*
==========================================================================
Description:
procedures on IEEE 802.11/1999 p.376
Parametrs:
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void AssocPostProc(struct rt_rtmp_adapter *pAd, u8 *pAddr2, u16 CapabilityInfo, u16 Aid, u8 SupRate[], u8 SupRateLen, u8 ExtRate[], u8 ExtRateLen, struct rt_edca_parm *pEdcaParm, struct rt_ht_capability_ie * pHtCapability, u8 HtCapabilityLen, struct rt_add_ht_info_ie * pAddHtInfo) /* AP might use this additional ht info IE */
{
unsigned long Idx;
pAd->MlmeAux.BssType = BSS_INFRA;
COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pAddr2);
pAd->MlmeAux.Aid = Aid;
pAd->MlmeAux.CapabilityInfo =
CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
/* Some HT AP might lost WMM IE. We add WMM ourselves. because HT requires QoS on. */
if ((HtCapabilityLen > 0) && (pEdcaParm->bValid == FALSE)) {
pEdcaParm->bValid = TRUE;
pEdcaParm->Aifsn[0] = 3;
pEdcaParm->Aifsn[1] = 7;
pEdcaParm->Aifsn[2] = 2;
pEdcaParm->Aifsn[3] = 2;
pEdcaParm->Cwmin[0] = 4;
pEdcaParm->Cwmin[1] = 4;
pEdcaParm->Cwmin[2] = 3;
pEdcaParm->Cwmin[3] = 2;
pEdcaParm->Cwmax[0] = 10;
pEdcaParm->Cwmax[1] = 10;
pEdcaParm->Cwmax[2] = 4;
pEdcaParm->Cwmax[3] = 3;
pEdcaParm->Txop[0] = 0;
pEdcaParm->Txop[1] = 0;
pEdcaParm->Txop[2] = 96;
pEdcaParm->Txop[3] = 48;
}
NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, pEdcaParm, sizeof(struct rt_edca_parm));
/* filter out un-supported rates */
pAd->MlmeAux.SupRateLen = SupRateLen;
NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
/* filter out un-supported rates */
pAd->MlmeAux.ExtRateLen = ExtRateLen;
NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
if (HtCapabilityLen > 0) {
RTMPCheckHt(pAd, BSSID_WCID, pHtCapability, pAddHtInfo);
}
DBGPRINT(RT_DEBUG_TRACE,
("AssocPostProc===> AP.AMsduSize = %d. ClientStatusFlags = 0x%lx \n",
pAd->MacTab.Content[BSSID_WCID].AMsduSize,
pAd->MacTab.Content[BSSID_WCID].ClientStatusFlags));
DBGPRINT(RT_DEBUG_TRACE,
("AssocPostProc===> (Mmps=%d, AmsduSize=%d, )\n",
pAd->MacTab.Content[BSSID_WCID].MmpsMode,
pAd->MacTab.Content[BSSID_WCID].AMsduSize));
/* Set New WPA information */
Idx = BssTableSearch(&pAd->ScanTab, pAddr2, pAd->MlmeAux.Channel);
if (Idx == BSS_NOT_FOUND) {
DBGPRINT_ERR("ASSOC - Can't find BSS after receiving Assoc response\n");
} else {
/* Init variable */
pAd->MacTab.Content[BSSID_WCID].RSNIE_Len = 0;
NdisZeroMemory(pAd->MacTab.Content[BSSID_WCID].RSN_IE,
MAX_LEN_OF_RSNIE);
/* Store appropriate RSN_IE for WPA SM negotiation later */
if ((pAd->StaCfg.AuthMode >= Ndis802_11AuthModeWPA)
&& (pAd->ScanTab.BssEntry[Idx].VarIELen != 0)) {
u8 *pVIE;
u16 len;
struct rt_eid * pEid;
pVIE = pAd->ScanTab.BssEntry[Idx].VarIEs;
len = pAd->ScanTab.BssEntry[Idx].VarIELen;
/*KH need to check again */
/* Don't allow to go to sleep mode if authmode is WPA-related. */
/*This can make Authentication process more smoothly. */
RTMP_CLEAR_PSFLAG(pAd, fRTMP_PS_CAN_GO_SLEEP);
while (len > 0) {
pEid = (struct rt_eid *) pVIE;
/* For WPA/WPAPSK */
if ((pEid->Eid == IE_WPA)
&&
(NdisEqualMemory(pEid->Octet, WPA_OUI, 4))
&& (pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPA
|| pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPAPSK)) {
NdisMoveMemory(pAd->MacTab.
Content[BSSID_WCID].
RSN_IE, pVIE,
(pEid->Len + 2));
pAd->MacTab.Content[BSSID_WCID].
RSNIE_Len = (pEid->Len + 2);
DBGPRINT(RT_DEBUG_TRACE,
("AssocPostProc===> Store RSN_IE for WPA SM negotiation \n"));
}
/* For WPA2/WPA2PSK */
else if ((pEid->Eid == IE_RSN)
&&
(NdisEqualMemory
(pEid->Octet + 2, RSN_OUI, 3))
&& (pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPA2
|| pAd->StaCfg.AuthMode ==
Ndis802_11AuthModeWPA2PSK)) {
NdisMoveMemory(pAd->MacTab.
Content[BSSID_WCID].
RSN_IE, pVIE,
(pEid->Len + 2));
pAd->MacTab.Content[BSSID_WCID].
RSNIE_Len = (pEid->Len + 2);
DBGPRINT(RT_DEBUG_TRACE,
("AssocPostProc===> Store RSN_IE for WPA2 SM negotiation \n"));
}
pVIE += (pEid->Len + 2);
len -= (pEid->Len + 2);
}
}
if (pAd->MacTab.Content[BSSID_WCID].RSNIE_Len == 0) {
DBGPRINT(RT_DEBUG_TRACE,
("AssocPostProc===> no RSN_IE \n"));
} else {
hex_dump("RSN_IE",
pAd->MacTab.Content[BSSID_WCID].RSN_IE,
pAd->MacTab.Content[BSSID_WCID].RSNIE_Len);
}
}
}
/*
==========================================================================
Description:
left part of IEEE 802.11/1999 p.374
Parameters:
Elem - MLME message containing the received frame
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void PeerDisassocAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 Addr2[MAC_ADDR_LEN];
u16 Reason;
DBGPRINT(RT_DEBUG_TRACE, ("ASSOC - PeerDisassocAction()\n"));
if (PeerDisassocSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, &Reason)) {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - PeerDisassocAction() Reason = %d\n",
Reason));
if (INFRA_ON(pAd)
&& MAC_ADDR_EQUAL(pAd->CommonCfg.Bssid, Addr2)) {
if (pAd->CommonCfg.bWirelessEvent) {
RTMPSendWirelessEvent(pAd,
IW_DISASSOC_EVENT_FLAG,
pAd->MacTab.
Content[BSSID_WCID].Addr,
BSS0, 0);
}
LinkDown(pAd, TRUE);
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
RtmpOSWrielessEventSend(pAd, SIOCGIWAP, -1, NULL, NULL,
0);
}
} else {
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - PeerDisassocAction() sanity check fail\n"));
}
}
/*
==========================================================================
Description:
what the state machine will do after assoc timeout
Parameters:
Elme -
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void AssocTimeoutAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE, ("ASSOC - AssocTimeoutAction\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_REJ_TIMEOUT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_ASSOC_CONF, 2, &Status);
}
/*
==========================================================================
Description:
what the state machine will do after reassoc timeout
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void ReassocTimeoutAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE, ("ASSOC - ReassocTimeoutAction\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_REJ_TIMEOUT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_REASSOC_CONF, 2, &Status);
}
/*
==========================================================================
Description:
what the state machine will do after disassoc timeout
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void DisassocTimeoutAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE, ("ASSOC - DisassocTimeoutAction\n"));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_SUCCESS;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_DISASSOC_CONF, 2,
&Status);
}
void InvalidStateWhenAssoc(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - InvalidStateWhenAssoc(state=%ld), reset ASSOC state machine\n",
pAd->Mlme.AssocMachine.CurrState));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_ASSOC_CONF, 2, &Status);
}
void InvalidStateWhenReassoc(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - InvalidStateWhenReassoc(state=%ld), reset ASSOC state machine\n",
pAd->Mlme.AssocMachine.CurrState));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_REASSOC_CONF, 2, &Status);
}
void InvalidStateWhenDisassociate(struct rt_rtmp_adapter *pAd,
struct rt_mlme_queue_elem *Elem)
{
u16 Status;
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - InvalidStateWhenDisassoc(state=%ld), reset ASSOC state machine\n",
pAd->Mlme.AssocMachine.CurrState));
pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_DISASSOC_CONF, 2,
&Status);
}
/*
==========================================================================
Description:
right part of IEEE 802.11/1999 page 374
Note:
This event should never cause ASSOC state machine perform state
transition, and has no relationship with CNTL machine. So we separate
this routine as a service outside of ASSOC state transition table.
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void Cls3errAction(struct rt_rtmp_adapter *pAd, u8 *pAddr)
{
struct rt_header_802_11 DisassocHdr;
struct rt_header_802_11 * pDisassocHdr;
u8 *pOutBuffer = NULL;
unsigned long FrameLen = 0;
int NStatus;
u16 Reason = REASON_CLS3ERR;
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS)
return;
DBGPRINT(RT_DEBUG_TRACE,
("ASSOC - Class 3 Error, Send DISASSOC frame\n"));
MgtMacHeaderInit(pAd, &DisassocHdr, SUBTYPE_DISASSOC, 0, pAddr, pAd->CommonCfg.Bssid); /* patch peap ttls switching issue */
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_header_802_11), &DisassocHdr,
2, &Reason, END_OF_ARGS);
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
/* To patch Instance and Buffalo(N) AP */
/* Driver has to send deauth to Instance AP, but Buffalo(N) needs to send disassoc to reset Authenticator's state machine */
/* Therefore, we send both of them. */
pDisassocHdr = (struct rt_header_802_11 *) pOutBuffer;
pDisassocHdr->FC.SubType = SUBTYPE_DEAUTH;
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
pAd->StaCfg.DisassocReason = REASON_CLS3ERR;
COPY_MAC_ADDR(pAd->StaCfg.DisassocSta, pAddr);
}
int wext_notify_event_assoc(struct rt_rtmp_adapter *pAd)
{
char custom[IW_CUSTOM_MAX] = { 0 };
if (pAd->StaCfg.ReqVarIELen <= IW_CUSTOM_MAX) {
NdisMoveMemory(custom, pAd->StaCfg.ReqVarIEs,
pAd->StaCfg.ReqVarIELen);
RtmpOSWrielessEventSend(pAd, IWEVASSOCREQIE, -1, NULL, custom,
pAd->StaCfg.ReqVarIELen);
} else
DBGPRINT(RT_DEBUG_TRACE,
("pAd->StaCfg.ReqVarIELen > MAX_CUSTOM_LEN\n"));
return 0;
}
BOOLEAN StaAddMacTableEntry(struct rt_rtmp_adapter *pAd,
struct rt_mac_table_entry *pEntry,
u8 MaxSupportedRateIn500Kbps,
struct rt_ht_capability_ie * pHtCapability,
u8 HtCapabilityLen,
struct rt_add_ht_info_ie * pAddHtInfo,
u8 AddHtInfoLen, u16 CapabilityInfo)
{
u8 MaxSupportedRate = RATE_11;
if (ADHOC_ON(pAd))
CLIENT_STATUS_CLEAR_FLAG(pEntry, fCLIENT_STATUS_WMM_CAPABLE);
switch (MaxSupportedRateIn500Kbps) {
case 108:
MaxSupportedRate = RATE_54;
break;
case 96:
MaxSupportedRate = RATE_48;
break;
case 72:
MaxSupportedRate = RATE_36;
break;
case 48:
MaxSupportedRate = RATE_24;
break;
case 36:
MaxSupportedRate = RATE_18;
break;
case 24:
MaxSupportedRate = RATE_12;
break;
case 18:
MaxSupportedRate = RATE_9;
break;
case 12:
MaxSupportedRate = RATE_6;
break;
case 22:
MaxSupportedRate = RATE_11;
break;
case 11:
MaxSupportedRate = RATE_5_5;
break;
case 4:
MaxSupportedRate = RATE_2;
break;
case 2:
MaxSupportedRate = RATE_1;
break;
default:
MaxSupportedRate = RATE_11;
break;
}
if ((pAd->CommonCfg.PhyMode == PHY_11G)
&& (MaxSupportedRate < RATE_FIRST_OFDM_RATE))
return FALSE;
/* 11n only */
if (((pAd->CommonCfg.PhyMode == PHY_11N_2_4G)
|| (pAd->CommonCfg.PhyMode == PHY_11N_5G))
&& (HtCapabilityLen == 0))
return FALSE;
if (!pEntry)
return FALSE;
NdisAcquireSpinLock(&pAd->MacTabLock);
if (pEntry) {
pEntry->PortSecured = WPA_802_1X_PORT_SECURED;
if ((MaxSupportedRate < RATE_FIRST_OFDM_RATE) ||
(pAd->CommonCfg.PhyMode == PHY_11B)) {
pEntry->RateLen = 4;
if (MaxSupportedRate >= RATE_FIRST_OFDM_RATE)
MaxSupportedRate = RATE_11;
} else
pEntry->RateLen = 12;
pEntry->MaxHTPhyMode.word = 0;
pEntry->MinHTPhyMode.word = 0;
pEntry->HTPhyMode.word = 0;
pEntry->MaxSupportedRate = MaxSupportedRate;
if (pEntry->MaxSupportedRate < RATE_FIRST_OFDM_RATE) {
pEntry->MaxHTPhyMode.field.MODE = MODE_CCK;
pEntry->MaxHTPhyMode.field.MCS =
pEntry->MaxSupportedRate;
pEntry->MinHTPhyMode.field.MODE = MODE_CCK;
pEntry->MinHTPhyMode.field.MCS =
pEntry->MaxSupportedRate;
pEntry->HTPhyMode.field.MODE = MODE_CCK;
pEntry->HTPhyMode.field.MCS = pEntry->MaxSupportedRate;
} else {
pEntry->MaxHTPhyMode.field.MODE = MODE_OFDM;
pEntry->MaxHTPhyMode.field.MCS =
OfdmRateToRxwiMCS[pEntry->MaxSupportedRate];
pEntry->MinHTPhyMode.field.MODE = MODE_OFDM;
pEntry->MinHTPhyMode.field.MCS =
OfdmRateToRxwiMCS[pEntry->MaxSupportedRate];
pEntry->HTPhyMode.field.MODE = MODE_OFDM;
pEntry->HTPhyMode.field.MCS =
OfdmRateToRxwiMCS[pEntry->MaxSupportedRate];
}
pEntry->CapabilityInfo = CapabilityInfo;
CLIENT_STATUS_CLEAR_FLAG(pEntry,
fCLIENT_STATUS_AGGREGATION_CAPABLE);
CLIENT_STATUS_CLEAR_FLAG(pEntry,
fCLIENT_STATUS_PIGGYBACK_CAPABLE);
}
NdisZeroMemory(&pEntry->HTCapability, sizeof(pEntry->HTCapability));
/* If this Entry supports 802.11n, upgrade to HT rate. */
if ((HtCapabilityLen != 0)
&& (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)) {
u8 j, bitmask; /*k,bitmask; */
char i;
if (ADHOC_ON(pAd))
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_WMM_CAPABLE);
if ((pHtCapability->HtCapInfo.GF)
&& (pAd->CommonCfg.DesiredHtPhy.GF)) {
pEntry->MaxHTPhyMode.field.MODE = MODE_HTGREENFIELD;
} else {
pEntry->MaxHTPhyMode.field.MODE = MODE_HTMIX;
pAd->MacTab.fAnyStationNonGF = TRUE;
pAd->CommonCfg.AddHTInfo.AddHtInfo2.NonGfPresent = 1;
}
if ((pHtCapability->HtCapInfo.ChannelWidth) &&
(pAd->CommonCfg.DesiredHtPhy.ChannelWidth) &&
((pAd->StaCfg.BssType == BSS_INFRA)
|| ((pAd->StaCfg.BssType == BSS_ADHOC)
&& (pAddHtInfo->AddHtInfo.ExtChanOffset ==
pAd->CommonCfg.AddHTInfo.AddHtInfo.
ExtChanOffset)))) {
pEntry->MaxHTPhyMode.field.BW = BW_40;
pEntry->MaxHTPhyMode.field.ShortGI =
((pAd->CommonCfg.DesiredHtPhy.
ShortGIfor40) & (pHtCapability->HtCapInfo.
ShortGIfor40));
} else {
pEntry->MaxHTPhyMode.field.BW = BW_20;
pEntry->MaxHTPhyMode.field.ShortGI =
((pAd->CommonCfg.DesiredHtPhy.
ShortGIfor20) & (pHtCapability->HtCapInfo.
ShortGIfor20));
pAd->MacTab.fAnyStation20Only = TRUE;
}
/* 3*3 */
if (pAd->MACVersion >= RALINK_2883_VERSION
&& pAd->MACVersion < RALINK_3070_VERSION)
pEntry->MaxHTPhyMode.field.TxBF =
pAd->CommonCfg.RegTransmitSetting.field.TxBF;
/* find max fixed rate */
for (i = 23; i >= 0; i--) /* 3*3 */
{
j = i / 8;
bitmask = (1 << (i - (j * 8)));
if ((pAd->StaCfg.DesiredHtPhyInfo.MCSSet[j] & bitmask)
&& (pHtCapability->MCSSet[j] & bitmask)) {
pEntry->MaxHTPhyMode.field.MCS = i;
break;
}
if (i == 0)
break;
}
if (pAd->StaCfg.DesiredTransmitSetting.field.MCS != MCS_AUTO) {
if (pAd->StaCfg.DesiredTransmitSetting.field.MCS == 32) {
/* Fix MCS as HT Duplicated Mode */
pEntry->MaxHTPhyMode.field.BW = 1;
pEntry->MaxHTPhyMode.field.MODE = MODE_HTMIX;
pEntry->MaxHTPhyMode.field.STBC = 0;
pEntry->MaxHTPhyMode.field.ShortGI = 0;
pEntry->MaxHTPhyMode.field.MCS = 32;
} else if (pEntry->MaxHTPhyMode.field.MCS >
pAd->StaCfg.HTPhyMode.field.MCS) {
/* STA supports fixed MCS */
pEntry->MaxHTPhyMode.field.MCS =
pAd->StaCfg.HTPhyMode.field.MCS;
}
}
pEntry->MaxHTPhyMode.field.STBC =
(pHtCapability->HtCapInfo.
RxSTBC & (pAd->CommonCfg.DesiredHtPhy.TxSTBC));
pEntry->MpduDensity = pHtCapability->HtCapParm.MpduDensity;
pEntry->MaxRAmpduFactor =
pHtCapability->HtCapParm.MaxRAmpduFactor;
pEntry->MmpsMode = (u8)pHtCapability->HtCapInfo.MimoPs;
pEntry->AMsduSize = (u8)pHtCapability->HtCapInfo.AMsduSize;
pEntry->HTPhyMode.word = pEntry->MaxHTPhyMode.word;
if (pAd->CommonCfg.DesiredHtPhy.AmsduEnable
&& (pAd->CommonCfg.REGBACapability.field.AutoBA == FALSE))
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_AMSDU_INUSED);
if (pHtCapability->HtCapInfo.ShortGIfor20)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_SGI20_CAPABLE);
if (pHtCapability->HtCapInfo.ShortGIfor40)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_SGI40_CAPABLE);
if (pHtCapability->HtCapInfo.TxSTBC)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_TxSTBC_CAPABLE);
if (pHtCapability->HtCapInfo.RxSTBC)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_RxSTBC_CAPABLE);
if (pHtCapability->ExtHtCapInfo.PlusHTC)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_HTC_CAPABLE);
if (pAd->CommonCfg.bRdg
&& pHtCapability->ExtHtCapInfo.RDGSupport)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_RDG_CAPABLE);
if (pHtCapability->ExtHtCapInfo.MCSFeedback == 0x03)
CLIENT_STATUS_SET_FLAG(pEntry,
fCLIENT_STATUS_MCSFEEDBACK_CAPABLE);
NdisMoveMemory(&pEntry->HTCapability, pHtCapability,
HtCapabilityLen);
} else {
pAd->MacTab.fAnyStationIsLegacy = TRUE;
}
pEntry->HTPhyMode.word = pEntry->MaxHTPhyMode.word;
pEntry->CurrTxRate = pEntry->MaxSupportedRate;
/* Set asic auto fall back */
if (pAd->StaCfg.bAutoTxRateSwitch == TRUE) {
u8 *pTable;
u8 TableSize = 0;
MlmeSelectTxRateTable(pAd, pEntry, &pTable, &TableSize,
&pEntry->CurrTxRateIndex);
pEntry->bAutoTxRateSwitch = TRUE;
} else {
pEntry->HTPhyMode.field.MODE = pAd->StaCfg.HTPhyMode.field.MODE;
pEntry->HTPhyMode.field.MCS = pAd->StaCfg.HTPhyMode.field.MCS;
pEntry->bAutoTxRateSwitch = FALSE;
/* If the legacy mode is set, overwrite the transmit setting of this entry. */
RTMPUpdateLegacyTxSetting((u8)pAd->StaCfg.
DesiredTransmitSetting.field.
FixedTxMode, pEntry);
}
pEntry->PortSecured = WPA_802_1X_PORT_SECURED;
pEntry->Sst = SST_ASSOC;
pEntry->AuthState = AS_AUTH_OPEN;
pEntry->AuthMode = pAd->StaCfg.AuthMode;
pEntry->WepStatus = pAd->StaCfg.WepStatus;
NdisReleaseSpinLock(&pAd->MacTabLock);
{
union iwreq_data wrqu;
wext_notify_event_assoc(pAd);
memcpy(wrqu.ap_addr.sa_data, pAd->MlmeAux.Bssid, MAC_ADDR_LEN);
wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
}
return TRUE;
}
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