--- /dev/null
+/*
+ *************************************************************************
+ * 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:
+ action.c
+
+ Abstract:
+ Handle association related requests either from WSTA or from local MLME
+
+ Revision History:
+ Who When What
+ --------- ---------- ----------------------------------------------
+ Fonchi Wu 2008 created for 802.11h
+ */
+
+#include "../rt_config.h"
+#include "../action.h"
+
+VOID MeasureReqTabInit(
+ IN PRTMP_ADAPTER pAd)
+{
+ NdisAllocateSpinLock(&pAd->CommonCfg.MeasureReqTabLock);
+
+ pAd->CommonCfg.pMeasureReqTab = kmalloc(sizeof(MEASURE_REQ_TAB), GFP_ATOMIC);
+ if (pAd->CommonCfg.pMeasureReqTab)
+ NdisZeroMemory(pAd->CommonCfg.pMeasureReqTab, sizeof(MEASURE_REQ_TAB));
+ else
+ DBGPRINT(RT_DEBUG_ERROR, ("%s Fail to alloc memory for pAd->CommonCfg.pMeasureReqTab.\n", __FUNCTION__));
+
+ return;
+}
+
+VOID MeasureReqTabExit(
+ IN PRTMP_ADAPTER pAd)
+{
+ NdisFreeSpinLock(pAd->CommonCfg.MeasureReqTabLock);
+
+ if (pAd->CommonCfg.pMeasureReqTab)
+ kfree(pAd->CommonCfg.pMeasureReqTab);
+ pAd->CommonCfg.pMeasureReqTab = NULL;
+
+ return;
+}
+
+static PMEASURE_REQ_ENTRY MeasureReqLookUp(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ UINT HashIdx;
+ PMEASURE_REQ_TAB pTab = pAd->CommonCfg.pMeasureReqTab;
+ PMEASURE_REQ_ENTRY pEntry = NULL;
+ PMEASURE_REQ_ENTRY pPrevEntry = NULL;
+
+ if (pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pMeasureReqTab doesn't exist.\n", __FUNCTION__));
+ return NULL;
+ }
+
+ RTMP_SEM_LOCK(&pAd->CommonCfg.MeasureReqTabLock);
+
+ HashIdx = MQ_DIALOGTOKEN_HASH_INDEX(DialogToken);
+ pEntry = pTab->Hash[HashIdx];
+
+ while (pEntry)
+ {
+ if (pEntry->DialogToken == DialogToken)
+ break;
+ else
+ {
+ pPrevEntry = pEntry;
+ pEntry = pEntry->pNext;
+ }
+ }
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.MeasureReqTabLock);
+
+ return pEntry;
+}
+
+static PMEASURE_REQ_ENTRY MeasureReqInsert(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ INT i;
+ ULONG HashIdx;
+ PMEASURE_REQ_TAB pTab = pAd->CommonCfg.pMeasureReqTab;
+ PMEASURE_REQ_ENTRY pEntry = NULL, pCurrEntry;
+ ULONG Now;
+
+ if(pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pMeasureReqTab doesn't exist.\n", __FUNCTION__));
+ return NULL;
+ }
+
+ pEntry = MeasureReqLookUp(pAd, DialogToken);
+ if (pEntry == NULL)
+ {
+ RTMP_SEM_LOCK(&pAd->CommonCfg.MeasureReqTabLock);
+ for (i = 0; i < MAX_MEASURE_REQ_TAB_SIZE; i++)
+ {
+ NdisGetSystemUpTime(&Now);
+ pEntry = &pTab->Content[i];
+
+ if ((pEntry->Valid == TRUE)
+ && RTMP_TIME_AFTER((unsigned long)Now, (unsigned long)(pEntry->lastTime + MQ_REQ_AGE_OUT)))
+ {
+ PMEASURE_REQ_ENTRY pPrevEntry = NULL;
+ ULONG HashIdx = MQ_DIALOGTOKEN_HASH_INDEX(pEntry->DialogToken);
+ PMEASURE_REQ_ENTRY pProbeEntry = pTab->Hash[HashIdx];
+
+ // update Hash list
+ do
+ {
+ if (pProbeEntry == pEntry)
+ {
+ if (pPrevEntry == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry->pNext;
+ }
+ else
+ {
+ pPrevEntry->pNext = pEntry->pNext;
+ }
+ break;
+ }
+
+ pPrevEntry = pProbeEntry;
+ pProbeEntry = pProbeEntry->pNext;
+ } while (pProbeEntry);
+
+ NdisZeroMemory(pEntry, sizeof(MEASURE_REQ_ENTRY));
+ pTab->Size--;
+
+ break;
+ }
+
+ if (pEntry->Valid == FALSE)
+ break;
+ }
+
+ if (i < MAX_MEASURE_REQ_TAB_SIZE)
+ {
+ NdisGetSystemUpTime(&Now);
+ pEntry->lastTime = Now;
+ pEntry->Valid = TRUE;
+ pEntry->DialogToken = DialogToken;
+ pTab->Size++;
+ }
+ else
+ {
+ pEntry = NULL;
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pMeasureReqTab tab full.\n", __FUNCTION__));
+ }
+
+ // add this Neighbor entry into HASH table
+ if (pEntry)
+ {
+ HashIdx = MQ_DIALOGTOKEN_HASH_INDEX(DialogToken);
+ if (pTab->Hash[HashIdx] == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry;
+ }
+ else
+ {
+ pCurrEntry = pTab->Hash[HashIdx];
+ while (pCurrEntry->pNext != NULL)
+ pCurrEntry = pCurrEntry->pNext;
+ pCurrEntry->pNext = pEntry;
+ }
+ }
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.MeasureReqTabLock);
+ }
+
+ return pEntry;
+}
+
+static VOID MeasureReqDelete(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ PMEASURE_REQ_TAB pTab = pAd->CommonCfg.pMeasureReqTab;
+ PMEASURE_REQ_ENTRY pEntry = NULL;
+
+ if(pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pMeasureReqTab doesn't exist.\n", __FUNCTION__));
+ return;
+ }
+
+ // if empty, return
+ if (pTab->Size == 0)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("pMeasureReqTab empty.\n"));
+ return;
+ }
+
+ pEntry = MeasureReqLookUp(pAd, DialogToken);
+ if (pEntry != NULL)
+ {
+ PMEASURE_REQ_ENTRY pPrevEntry = NULL;
+ ULONG HashIdx = MQ_DIALOGTOKEN_HASH_INDEX(pEntry->DialogToken);
+ PMEASURE_REQ_ENTRY pProbeEntry = pTab->Hash[HashIdx];
+
+ RTMP_SEM_LOCK(&pAd->CommonCfg.MeasureReqTabLock);
+ // update Hash list
+ do
+ {
+ if (pProbeEntry == pEntry)
+ {
+ if (pPrevEntry == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry->pNext;
+ }
+ else
+ {
+ pPrevEntry->pNext = pEntry->pNext;
+ }
+ break;
+ }
+
+ pPrevEntry = pProbeEntry;
+ pProbeEntry = pProbeEntry->pNext;
+ } while (pProbeEntry);
+
+ NdisZeroMemory(pEntry, sizeof(MEASURE_REQ_ENTRY));
+ pTab->Size--;
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.MeasureReqTabLock);
+ }
+
+ return;
+}
+
+VOID TpcReqTabInit(
+ IN PRTMP_ADAPTER pAd)
+{
+ NdisAllocateSpinLock(&pAd->CommonCfg.TpcReqTabLock);
+
+ pAd->CommonCfg.pTpcReqTab = kmalloc(sizeof(TPC_REQ_TAB), GFP_ATOMIC);
+ if (pAd->CommonCfg.pTpcReqTab)
+ NdisZeroMemory(pAd->CommonCfg.pTpcReqTab, sizeof(TPC_REQ_TAB));
+ else
+ DBGPRINT(RT_DEBUG_ERROR, ("%s Fail to alloc memory for pAd->CommonCfg.pTpcReqTab.\n", __FUNCTION__));
+
+ return;
+}
+
+VOID TpcReqTabExit(
+ IN PRTMP_ADAPTER pAd)
+{
+ NdisFreeSpinLock(pAd->CommonCfg.TpcReqTabLock);
+
+ if (pAd->CommonCfg.pTpcReqTab)
+ kfree(pAd->CommonCfg.pTpcReqTab);
+ pAd->CommonCfg.pTpcReqTab = NULL;
+
+ return;
+}
+
+static PTPC_REQ_ENTRY TpcReqLookUp(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ UINT HashIdx;
+ PTPC_REQ_TAB pTab = pAd->CommonCfg.pTpcReqTab;
+ PTPC_REQ_ENTRY pEntry = NULL;
+ PTPC_REQ_ENTRY pPrevEntry = NULL;
+
+ if (pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pTpcReqTab doesn't exist.\n", __FUNCTION__));
+ return NULL;
+ }
+
+ RTMP_SEM_LOCK(&pAd->CommonCfg.TpcReqTabLock);
+
+ HashIdx = TPC_DIALOGTOKEN_HASH_INDEX(DialogToken);
+ pEntry = pTab->Hash[HashIdx];
+
+ while (pEntry)
+ {
+ if (pEntry->DialogToken == DialogToken)
+ break;
+ else
+ {
+ pPrevEntry = pEntry;
+ pEntry = pEntry->pNext;
+ }
+ }
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.TpcReqTabLock);
+
+ return pEntry;
+}
+
+
+static PTPC_REQ_ENTRY TpcReqInsert(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ INT i;
+ ULONG HashIdx;
+ PTPC_REQ_TAB pTab = pAd->CommonCfg.pTpcReqTab;
+ PTPC_REQ_ENTRY pEntry = NULL, pCurrEntry;
+ ULONG Now;
+
+ if(pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pTpcReqTab doesn't exist.\n", __FUNCTION__));
+ return NULL;
+ }
+
+ pEntry = TpcReqLookUp(pAd, DialogToken);
+ if (pEntry == NULL)
+ {
+ RTMP_SEM_LOCK(&pAd->CommonCfg.TpcReqTabLock);
+ for (i = 0; i < MAX_TPC_REQ_TAB_SIZE; i++)
+ {
+ NdisGetSystemUpTime(&Now);
+ pEntry = &pTab->Content[i];
+
+ if ((pEntry->Valid == TRUE)
+ && RTMP_TIME_AFTER((unsigned long)Now, (unsigned long)(pEntry->lastTime + TPC_REQ_AGE_OUT)))
+ {
+ PTPC_REQ_ENTRY pPrevEntry = NULL;
+ ULONG HashIdx = TPC_DIALOGTOKEN_HASH_INDEX(pEntry->DialogToken);
+ PTPC_REQ_ENTRY pProbeEntry = pTab->Hash[HashIdx];
+
+ // update Hash list
+ do
+ {
+ if (pProbeEntry == pEntry)
+ {
+ if (pPrevEntry == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry->pNext;
+ }
+ else
+ {
+ pPrevEntry->pNext = pEntry->pNext;
+ }
+ break;
+ }
+
+ pPrevEntry = pProbeEntry;
+ pProbeEntry = pProbeEntry->pNext;
+ } while (pProbeEntry);
+
+ NdisZeroMemory(pEntry, sizeof(TPC_REQ_ENTRY));
+ pTab->Size--;
+
+ break;
+ }
+
+ if (pEntry->Valid == FALSE)
+ break;
+ }
+
+ if (i < MAX_TPC_REQ_TAB_SIZE)
+ {
+ NdisGetSystemUpTime(&Now);
+ pEntry->lastTime = Now;
+ pEntry->Valid = TRUE;
+ pEntry->DialogToken = DialogToken;
+ pTab->Size++;
+ }
+ else
+ {
+ pEntry = NULL;
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pTpcReqTab tab full.\n", __FUNCTION__));
+ }
+
+ // add this Neighbor entry into HASH table
+ if (pEntry)
+ {
+ HashIdx = TPC_DIALOGTOKEN_HASH_INDEX(DialogToken);
+ if (pTab->Hash[HashIdx] == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry;
+ }
+ else
+ {
+ pCurrEntry = pTab->Hash[HashIdx];
+ while (pCurrEntry->pNext != NULL)
+ pCurrEntry = pCurrEntry->pNext;
+ pCurrEntry->pNext = pEntry;
+ }
+ }
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.TpcReqTabLock);
+ }
+
+ return pEntry;
+}
+
+static VOID TpcReqDelete(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 DialogToken)
+{
+ PTPC_REQ_TAB pTab = pAd->CommonCfg.pTpcReqTab;
+ PTPC_REQ_ENTRY pEntry = NULL;
+
+ if(pTab == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: pTpcReqTab doesn't exist.\n", __FUNCTION__));
+ return;
+ }
+
+ // if empty, return
+ if (pTab->Size == 0)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("pTpcReqTab empty.\n"));
+ return;
+ }
+
+ pEntry = TpcReqLookUp(pAd, DialogToken);
+ if (pEntry != NULL)
+ {
+ PTPC_REQ_ENTRY pPrevEntry = NULL;
+ ULONG HashIdx = TPC_DIALOGTOKEN_HASH_INDEX(pEntry->DialogToken);
+ PTPC_REQ_ENTRY pProbeEntry = pTab->Hash[HashIdx];
+
+ RTMP_SEM_LOCK(&pAd->CommonCfg.TpcReqTabLock);
+ // update Hash list
+ do
+ {
+ if (pProbeEntry == pEntry)
+ {
+ if (pPrevEntry == NULL)
+ {
+ pTab->Hash[HashIdx] = pEntry->pNext;
+ }
+ else
+ {
+ pPrevEntry->pNext = pEntry->pNext;
+ }
+ break;
+ }
+
+ pPrevEntry = pProbeEntry;
+ pProbeEntry = pProbeEntry->pNext;
+ } while (pProbeEntry);
+
+ NdisZeroMemory(pEntry, sizeof(TPC_REQ_ENTRY));
+ pTab->Size--;
+
+ RTMP_SEM_UNLOCK(&pAd->CommonCfg.TpcReqTabLock);
+ }
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Get Current TimeS tamp.
+
+ Parametrs:
+
+ Return : Current Time Stamp.
+ ==========================================================================
+ */
+static UINT64 GetCurrentTimeStamp(
+ IN PRTMP_ADAPTER pAd)
+{
+ // get current time stamp.
+ return 0;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Get Current Transmit Power.
+
+ Parametrs:
+
+ Return : Current Time Stamp.
+ ==========================================================================
+ */
+static UINT8 GetCurTxPwr(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 Wcid)
+{
+ return 16; /* 16 dBm */
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert Dialog Token into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+ 3. Dialog token.
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID InsertDialogToken(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen,
+ IN UINT8 DialogToken)
+{
+ ULONG TempLen;
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &DialogToken,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert TPC Request IE into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+
+ Return : None.
+ ==========================================================================
+ */
+ static VOID InsertTpcReqIE(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen)
+{
+ ULONG TempLen;
+ ULONG Len = 0;
+ UINT8 ElementID = IE_TPC_REQUEST;
+
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &ElementID,
+ 1, &Len,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert TPC Report IE into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+ 3. Transmit Power.
+ 4. Link Margin.
+
+ Return : None.
+ ==========================================================================
+ */
+ static VOID InsertTpcReportIE(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen,
+ IN UINT8 TxPwr,
+ IN UINT8 LinkMargin)
+{
+ ULONG TempLen;
+ ULONG Len = sizeof(TPC_REPORT_INFO);
+ UINT8 ElementID = IE_TPC_REPORT;
+ TPC_REPORT_INFO TpcReportIE;
+
+ TpcReportIE.TxPwr = TxPwr;
+ TpcReportIE.LinkMargin = LinkMargin;
+
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &ElementID,
+ 1, &Len,
+ Len, &TpcReportIE,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert Channel Switch Announcement IE into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+ 3. channel switch announcement mode.
+ 4. new selected channel.
+ 5. channel switch announcement count.
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID InsertChSwAnnIE(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen,
+ IN UINT8 ChSwMode,
+ IN UINT8 NewChannel,
+ IN UINT8 ChSwCnt)
+{
+ ULONG TempLen;
+ ULONG Len = sizeof(CH_SW_ANN_INFO);
+ UINT8 ElementID = IE_CHANNEL_SWITCH_ANNOUNCEMENT;
+ CH_SW_ANN_INFO ChSwAnnIE;
+
+ ChSwAnnIE.ChSwMode = ChSwMode;
+ ChSwAnnIE.Channel = NewChannel;
+ ChSwAnnIE.ChSwCnt = ChSwCnt;
+
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &ElementID,
+ 1, &Len,
+ Len, &ChSwAnnIE,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert Measure Request IE into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+ 3. Measure Token.
+ 4. Measure Request Mode.
+ 5. Measure Request Type.
+ 6. Measure Channel.
+ 7. Measure Start time.
+ 8. Measure Duration.
+
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID InsertMeasureReqIE(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen,
+ IN PMEASURE_REQ_INFO pMeasureReqIE)
+{
+ ULONG TempLen;
+ UINT8 Len = sizeof(MEASURE_REQ_INFO);
+ UINT8 ElementID = IE_MEASUREMENT_REQUEST;
+
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &ElementID,
+ 1, &Len,
+ Len, pMeasureReqIE,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Insert Measure Report IE into frame.
+
+ Parametrs:
+ 1. frame buffer pointer.
+ 2. frame length.
+ 3. Measure Token.
+ 4. Measure Request Mode.
+ 5. Measure Request Type.
+ 6. Length of Report Infomation
+ 7. Pointer of Report Infomation Buffer.
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID InsertMeasureReportIE(
+ IN PRTMP_ADAPTER pAd,
+ OUT PUCHAR pFrameBuf,
+ OUT PULONG pFrameLen,
+ IN PMEASURE_REPORT_INFO pMeasureReportIE,
+ IN UINT8 ReportLnfoLen,
+ IN PUINT8 pReportInfo)
+{
+ ULONG TempLen;
+ ULONG Len;
+ UINT8 ElementID = IE_MEASUREMENT_REPORT;
+
+ Len = sizeof(MEASURE_REPORT_INFO) + ReportLnfoLen;
+
+ MakeOutgoingFrame(pFrameBuf, &TempLen,
+ 1, &ElementID,
+ 1, &Len,
+ Len, pMeasureReportIE,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+
+ if ((ReportLnfoLen > 0) && (pReportInfo != NULL))
+ {
+ MakeOutgoingFrame(pFrameBuf + *pFrameLen, &TempLen,
+ ReportLnfoLen, pReportInfo,
+ END_OF_ARGS);
+
+ *pFrameLen = *pFrameLen + TempLen;
+ }
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Prepare Measurement request action frame and enqueue it into
+ management queue waiting for transmition.
+
+ Parametrs:
+ 1. the destination mac address of the frame.
+
+ Return : None.
+ ==========================================================================
+ */
+VOID EnqueueMeasurementReq(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pDA,
+ IN UINT8 MeasureToken,
+ IN UINT8 MeasureReqMode,
+ IN UINT8 MeasureReqType,
+ IN UINT8 MeasureCh,
+ IN UINT16 MeasureDuration)
+{
+ PUCHAR pOutBuffer = NULL;
+ NDIS_STATUS NStatus;
+ ULONG FrameLen;
+ HEADER_802_11 ActHdr;
+ MEASURE_REQ_INFO MeasureReqIE;
+ UINT8 RmReqDailogToken = RandomByte(pAd);
+ UINT64 MeasureStartTime = GetCurrentTimeStamp(pAd);
+
+ // build action frame header.
+ MgtMacHeaderInit(pAd, &ActHdr, SUBTYPE_ACTION, 0, pDA,
+ pAd->CurrentAddress);
+
+ NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
+ if(NStatus != NDIS_STATUS_SUCCESS)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("%s() allocate memory failed \n", __FUNCTION__));
+ return;
+ }
+ NdisMoveMemory(pOutBuffer, (PCHAR)&ActHdr, sizeof(HEADER_802_11));
+ FrameLen = sizeof(HEADER_802_11);
+
+ InsertActField(pAd, (pOutBuffer + FrameLen), &FrameLen, CATEGORY_SPECTRUM, SPEC_MRQ);
+
+ // fill Dialog Token
+ InsertDialogToken(pAd, (pOutBuffer + FrameLen), &FrameLen, MeasureToken);
+
+ // prepare Measurement IE.
+ NdisZeroMemory(&MeasureReqIE, sizeof(MEASURE_REQ_INFO));
+ MeasureReqIE.Token = RmReqDailogToken;
+ MeasureReqIE.ReqMode.word = MeasureReqMode;
+ MeasureReqIE.ReqType = MeasureReqType;
+ MeasureReqIE.MeasureReq.ChNum = MeasureCh;
+ MeasureReqIE.MeasureReq.MeasureStartTime = cpu2le64(MeasureStartTime);
+ MeasureReqIE.MeasureReq.MeasureDuration = cpu2le16(MeasureDuration);
+ InsertMeasureReqIE(pAd, (pOutBuffer + FrameLen), &FrameLen, &MeasureReqIE);
+
+ MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
+ MlmeFreeMemory(pAd, pOutBuffer);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Prepare Measurement report action frame and enqueue it into
+ management queue waiting for transmition.
+
+ Parametrs:
+ 1. the destination mac address of the frame.
+
+ Return : None.
+ ==========================================================================
+ */
+VOID EnqueueMeasurementRep(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pDA,
+ IN UINT8 DialogToken,
+ IN UINT8 MeasureToken,
+ IN UINT8 MeasureReqMode,
+ IN UINT8 MeasureReqType,
+ IN UINT8 ReportInfoLen,
+ IN PUINT8 pReportInfo)
+{
+ PUCHAR pOutBuffer = NULL;
+ NDIS_STATUS NStatus;
+ ULONG FrameLen;
+ HEADER_802_11 ActHdr;
+ MEASURE_REPORT_INFO MeasureRepIE;
+
+ // build action frame header.
+ MgtMacHeaderInit(pAd, &ActHdr, SUBTYPE_ACTION, 0, pDA,
+ pAd->CurrentAddress);
+
+ NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
+ if(NStatus != NDIS_STATUS_SUCCESS)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("%s() allocate memory failed \n", __FUNCTION__));
+ return;
+ }
+ NdisMoveMemory(pOutBuffer, (PCHAR)&ActHdr, sizeof(HEADER_802_11));
+ FrameLen = sizeof(HEADER_802_11);
+
+ InsertActField(pAd, (pOutBuffer + FrameLen), &FrameLen, CATEGORY_SPECTRUM, SPEC_MRP);
+
+ // fill Dialog Token
+ InsertDialogToken(pAd, (pOutBuffer + FrameLen), &FrameLen, DialogToken);
+
+ // prepare Measurement IE.
+ NdisZeroMemory(&MeasureRepIE, sizeof(MEASURE_REPORT_INFO));
+ MeasureRepIE.Token = MeasureToken;
+ MeasureRepIE.ReportMode.word = MeasureReqMode;
+ MeasureRepIE.ReportType = MeasureReqType;
+ InsertMeasureReportIE(pAd, (pOutBuffer + FrameLen), &FrameLen, &MeasureRepIE, ReportInfoLen, pReportInfo);
+
+ MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
+ MlmeFreeMemory(pAd, pOutBuffer);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Prepare TPC Request action frame and enqueue it into
+ management queue waiting for transmition.
+
+ Parametrs:
+ 1. the destination mac address of the frame.
+
+ Return : None.
+ ==========================================================================
+ */
+VOID EnqueueTPCReq(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pDA,
+ IN UCHAR DialogToken)
+{
+ PUCHAR pOutBuffer = NULL;
+ NDIS_STATUS NStatus;
+ ULONG FrameLen;
+
+ HEADER_802_11 ActHdr;
+
+ // build action frame header.
+ MgtMacHeaderInit(pAd, &ActHdr, SUBTYPE_ACTION, 0, pDA,
+ pAd->CurrentAddress);
+
+ NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
+ if(NStatus != NDIS_STATUS_SUCCESS)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("%s() allocate memory failed \n", __FUNCTION__));
+ return;
+ }
+ NdisMoveMemory(pOutBuffer, (PCHAR)&ActHdr, sizeof(HEADER_802_11));
+ FrameLen = sizeof(HEADER_802_11);
+
+ InsertActField(pAd, (pOutBuffer + FrameLen), &FrameLen, CATEGORY_SPECTRUM, SPEC_TPCRQ);
+
+ // fill Dialog Token
+ InsertDialogToken(pAd, (pOutBuffer + FrameLen), &FrameLen, DialogToken);
+
+ // Insert TPC Request IE.
+ InsertTpcReqIE(pAd, (pOutBuffer + FrameLen), &FrameLen);
+
+ MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
+ MlmeFreeMemory(pAd, pOutBuffer);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Prepare TPC Report action frame and enqueue it into
+ management queue waiting for transmition.
+
+ Parametrs:
+ 1. the destination mac address of the frame.
+
+ Return : None.
+ ==========================================================================
+ */
+VOID EnqueueTPCRep(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pDA,
+ IN UINT8 DialogToken,
+ IN UINT8 TxPwr,
+ IN UINT8 LinkMargin)
+{
+ PUCHAR pOutBuffer = NULL;
+ NDIS_STATUS NStatus;
+ ULONG FrameLen;
+
+ HEADER_802_11 ActHdr;
+
+ // build action frame header.
+ MgtMacHeaderInit(pAd, &ActHdr, SUBTYPE_ACTION, 0, pDA,
+ pAd->CurrentAddress);
+
+ NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
+ if(NStatus != NDIS_STATUS_SUCCESS)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("%s() allocate memory failed \n", __FUNCTION__));
+ return;
+ }
+ NdisMoveMemory(pOutBuffer, (PCHAR)&ActHdr, sizeof(HEADER_802_11));
+ FrameLen = sizeof(HEADER_802_11);
+
+ InsertActField(pAd, (pOutBuffer + FrameLen), &FrameLen, CATEGORY_SPECTRUM, SPEC_TPCRP);
+
+ // fill Dialog Token
+ InsertDialogToken(pAd, (pOutBuffer + FrameLen), &FrameLen, DialogToken);
+
+ // Insert TPC Request IE.
+ InsertTpcReportIE(pAd, (pOutBuffer + FrameLen), &FrameLen, TxPwr, LinkMargin);
+
+ MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
+ MlmeFreeMemory(pAd, pOutBuffer);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Prepare Channel Switch Announcement action frame and enqueue it into
+ management queue waiting for transmition.
+
+ Parametrs:
+ 1. the destination mac address of the frame.
+ 2. Channel switch announcement mode.
+ 2. a New selected channel.
+
+ Return : None.
+ ==========================================================================
+ */
+VOID EnqueueChSwAnn(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pDA,
+ IN UINT8 ChSwMode,
+ IN UINT8 NewCh)
+{
+ PUCHAR pOutBuffer = NULL;
+ NDIS_STATUS NStatus;
+ ULONG FrameLen;
+
+ HEADER_802_11 ActHdr;
+
+ // build action frame header.
+ MgtMacHeaderInit(pAd, &ActHdr, SUBTYPE_ACTION, 0, pDA,
+ pAd->CurrentAddress);
+
+ NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
+ if(NStatus != NDIS_STATUS_SUCCESS)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("%s() allocate memory failed \n", __FUNCTION__));
+ return;
+ }
+ NdisMoveMemory(pOutBuffer, (PCHAR)&ActHdr, sizeof(HEADER_802_11));
+ FrameLen = sizeof(HEADER_802_11);
+
+ InsertActField(pAd, (pOutBuffer + FrameLen), &FrameLen, CATEGORY_SPECTRUM, SPEC_CHANNEL_SWITCH);
+
+ InsertChSwAnnIE(pAd, (pOutBuffer + FrameLen), &FrameLen, ChSwMode, NewCh, 0);
+
+ MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
+ MlmeFreeMemory(pAd, pOutBuffer);
+
+ return;
+}
+
+static BOOLEAN DfsRequirementCheck(
+ IN PRTMP_ADAPTER pAd,
+ IN UINT8 Channel)
+{
+ BOOLEAN Result = FALSE;
+ INT i;
+
+ do
+ {
+ // check DFS procedure is running.
+ // make sure DFS procedure won't start twice.
+ if (pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE)
+ {
+ Result = FALSE;
+ break;
+ }
+
+ // check the new channel carried from Channel Switch Announcemnet is valid.
+ for (i=0; i<pAd->ChannelListNum; i++)
+ {
+ if ((Channel == pAd->ChannelList[i].Channel)
+ &&(pAd->ChannelList[i].RemainingTimeForUse == 0))
+ {
+ // found radar signal in the channel. the channel can't use at least for 30 minutes.
+ pAd->ChannelList[i].RemainingTimeForUse = 1800;//30 min = 1800 sec
+ Result = TRUE;
+ break;
+ }
+ }
+ } while(FALSE);
+
+ return Result;
+}
+
+VOID NotifyChSwAnnToPeerAPs(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR pRA,
+ IN PUCHAR pTA,
+ IN UINT8 ChSwMode,
+ IN UINT8 Channel)
+{
+#ifdef WDS_SUPPORT
+ if (!((pRA[0] & 0xff) == 0xff)) // is pRA a broadcase address.
+ {
+ INT i;
+ // info neighbor APs that Radar signal found throgh WDS link.
+ for (i = 0; i < MAX_WDS_ENTRY; i++)
+ {
+ if (ValidWdsEntry(pAd, i))
+ {
+ PUCHAR pDA = pAd->WdsTab.WdsEntry[i].PeerWdsAddr;
+
+ // DA equal to SA. have no necessary orignal AP which found Radar signal.
+ if (MAC_ADDR_EQUAL(pTA, pDA))
+ continue;
+
+ // send Channel Switch Action frame to info Neighbro APs.
+ EnqueueChSwAnn(pAd, pDA, ChSwMode, Channel);
+ }
+ }
+ }
+#endif // WDS_SUPPORT //
+}
+
+static VOID StartDFSProcedure(
+ IN PRTMP_ADAPTER pAd,
+ IN UCHAR Channel,
+ IN UINT8 ChSwMode)
+{
+ // start DFS procedure
+ pAd->CommonCfg.Channel = Channel;
+#ifdef DOT11_N_SUPPORT
+ N_ChannelCheck(pAd);
+#endif // DOT11_N_SUPPORT //
+ pAd->CommonCfg.RadarDetect.RDMode = RD_SWITCHING_MODE;
+ pAd->CommonCfg.RadarDetect.CSCount = 0;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Channel Switch Announcement action frame sanity check.
+
+ Parametrs:
+ 1. MLME message containing the received frame
+ 2. message length.
+ 3. Channel switch announcement infomation buffer.
+
+
+ Return : None.
+ ==========================================================================
+ */
+
+/*
+ Channel Switch Announcement IE.
+ +----+-----+-----------+------------+-----------+
+ | ID | Len |Ch Sw Mode | New Ch Num | Ch Sw Cnt |
+ +----+-----+-----------+------------+-----------+
+ 1 1 1 1 1
+*/
+static BOOLEAN PeerChSwAnnSanity(
+ IN PRTMP_ADAPTER pAd,
+ IN VOID *pMsg,
+ IN ULONG MsgLen,
+ OUT PCH_SW_ANN_INFO pChSwAnnInfo)
+{
+ PFRAME_802_11 Fr = (PFRAME_802_11)pMsg;
+ PUCHAR pFramePtr = Fr->Octet;
+ BOOLEAN result = FALSE;
+ PEID_STRUCT eid_ptr;
+
+ // skip 802.11 header.
+ MsgLen -= sizeof(HEADER_802_11);
+
+ // skip category and action code.
+ pFramePtr += 2;
+ MsgLen -= 2;
+
+ if (pChSwAnnInfo == NULL)
+ return result;
+
+ eid_ptr = (PEID_STRUCT)pFramePtr;
+ while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((PUCHAR)pFramePtr + MsgLen))
+ {
+ switch(eid_ptr->Eid)
+ {
+ case IE_CHANNEL_SWITCH_ANNOUNCEMENT:
+ NdisMoveMemory(&pChSwAnnInfo->ChSwMode, eid_ptr->Octet, 1);
+ NdisMoveMemory(&pChSwAnnInfo->Channel, eid_ptr->Octet + 1, 1);
+ NdisMoveMemory(&pChSwAnnInfo->ChSwCnt, eid_ptr->Octet + 2, 1);
+
+ result = TRUE;
+ break;
+
+ default:
+ break;
+ }
+ eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
+ }
+
+ return result;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Measurement request action frame sanity check.
+
+ Parametrs:
+ 1. MLME message containing the received frame
+ 2. message length.
+ 3. Measurement request infomation buffer.
+
+ Return : None.
+ ==========================================================================
+ */
+static BOOLEAN PeerMeasureReqSanity(
+ IN PRTMP_ADAPTER pAd,
+ IN VOID *pMsg,
+ IN ULONG MsgLen,
+ OUT PUINT8 pDialogToken,
+ OUT PMEASURE_REQ_INFO pMeasureReqInfo)
+{
+ PFRAME_802_11 Fr = (PFRAME_802_11)pMsg;
+ PUCHAR pFramePtr = Fr->Octet;
+ BOOLEAN result = FALSE;
+ PEID_STRUCT eid_ptr;
+ PUCHAR ptr;
+ UINT64 MeasureStartTime;
+ UINT16 MeasureDuration;
+
+ // skip 802.11 header.
+ MsgLen -= sizeof(HEADER_802_11);
+
+ // skip category and action code.
+ pFramePtr += 2;
+ MsgLen -= 2;
+
+ if (pMeasureReqInfo == NULL)
+ return result;
+
+ NdisMoveMemory(pDialogToken, pFramePtr, 1);
+ pFramePtr += 1;
+ MsgLen -= 1;
+
+ eid_ptr = (PEID_STRUCT)pFramePtr;
+ while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((PUCHAR)pFramePtr + MsgLen))
+ {
+ switch(eid_ptr->Eid)
+ {
+ case IE_MEASUREMENT_REQUEST:
+ NdisMoveMemory(&pMeasureReqInfo->Token, eid_ptr->Octet, 1);
+ NdisMoveMemory(&pMeasureReqInfo->ReqMode.word, eid_ptr->Octet + 1, 1);
+ NdisMoveMemory(&pMeasureReqInfo->ReqType, eid_ptr->Octet + 2, 1);
+ ptr = eid_ptr->Octet + 3;
+ NdisMoveMemory(&pMeasureReqInfo->MeasureReq.ChNum, ptr, 1);
+ NdisMoveMemory(&MeasureStartTime, ptr + 1, 8);
+ pMeasureReqInfo->MeasureReq.MeasureStartTime = SWAP64(MeasureStartTime);
+ NdisMoveMemory(&MeasureDuration, ptr + 9, 2);
+ pMeasureReqInfo->MeasureReq.MeasureDuration = SWAP16(MeasureDuration);
+
+ result = TRUE;
+ break;
+
+ default:
+ break;
+ }
+ eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
+ }
+
+ return result;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Measurement report action frame sanity check.
+
+ Parametrs:
+ 1. MLME message containing the received frame
+ 2. message length.
+ 3. Measurement report infomation buffer.
+ 4. basic report infomation buffer.
+
+ Return : None.
+ ==========================================================================
+ */
+
+/*
+ Measurement Report IE.
+ +----+-----+-------+-------------+--------------+----------------+
+ | ID | Len | Token | Report Mode | Measure Type | Measure Report |
+ +----+-----+-------+-------------+--------------+----------------+
+ 1 1 1 1 1 variable
+
+ Basic Report.
+ +--------+------------+----------+-----+
+ | Ch Num | Start Time | Duration | Map |
+ +--------+------------+----------+-----+
+ 1 8 2 1
+
+ Map Field Bit Format.
+ +-----+---------------+---------------------+-------+------------+----------+
+ | Bss | OFDM Preamble | Unidentified signal | Radar | Unmeasured | Reserved |
+ +-----+---------------+---------------------+-------+------------+----------+
+ 0 1 2 3 4 5-7
+*/
+static BOOLEAN PeerMeasureReportSanity(
+ IN PRTMP_ADAPTER pAd,
+ IN VOID *pMsg,
+ IN ULONG MsgLen,
+ OUT PUINT8 pDialogToken,
+ OUT PMEASURE_REPORT_INFO pMeasureReportInfo,
+ OUT PUINT8 pReportBuf)
+{
+ PFRAME_802_11 Fr = (PFRAME_802_11)pMsg;
+ PUCHAR pFramePtr = Fr->Octet;
+ BOOLEAN result = FALSE;
+ PEID_STRUCT eid_ptr;
+ PUCHAR ptr;
+
+ // skip 802.11 header.
+ MsgLen -= sizeof(HEADER_802_11);
+
+ // skip category and action code.
+ pFramePtr += 2;
+ MsgLen -= 2;
+
+ if (pMeasureReportInfo == NULL)
+ return result;
+
+ NdisMoveMemory(pDialogToken, pFramePtr, 1);
+ pFramePtr += 1;
+ MsgLen -= 1;
+
+ eid_ptr = (PEID_STRUCT)pFramePtr;
+ while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((PUCHAR)pFramePtr + MsgLen))
+ {
+ switch(eid_ptr->Eid)
+ {
+ case IE_MEASUREMENT_REPORT:
+ NdisMoveMemory(&pMeasureReportInfo->Token, eid_ptr->Octet, 1);
+ NdisMoveMemory(&pMeasureReportInfo->ReportMode, eid_ptr->Octet + 1, 1);
+ NdisMoveMemory(&pMeasureReportInfo->ReportType, eid_ptr->Octet + 2, 1);
+ if (pMeasureReportInfo->ReportType == RM_BASIC)
+ {
+ PMEASURE_BASIC_REPORT pReport = (PMEASURE_BASIC_REPORT)pReportBuf;
+ ptr = eid_ptr->Octet + 3;
+ NdisMoveMemory(&pReport->ChNum, ptr, 1);
+ NdisMoveMemory(&pReport->MeasureStartTime, ptr + 1, 8);
+ NdisMoveMemory(&pReport->MeasureDuration, ptr + 9, 2);
+ NdisMoveMemory(&pReport->Map, ptr + 11, 1);
+
+ }
+ else if (pMeasureReportInfo->ReportType == RM_CCA)
+ {
+ PMEASURE_CCA_REPORT pReport = (PMEASURE_CCA_REPORT)pReportBuf;
+ ptr = eid_ptr->Octet + 3;
+ NdisMoveMemory(&pReport->ChNum, ptr, 1);
+ NdisMoveMemory(&pReport->MeasureStartTime, ptr + 1, 8);
+ NdisMoveMemory(&pReport->MeasureDuration, ptr + 9, 2);
+ NdisMoveMemory(&pReport->CCA_Busy_Fraction, ptr + 11, 1);
+
+ }
+ else if (pMeasureReportInfo->ReportType == RM_RPI_HISTOGRAM)
+ {
+ PMEASURE_RPI_REPORT pReport = (PMEASURE_RPI_REPORT)pReportBuf;
+ ptr = eid_ptr->Octet + 3;
+ NdisMoveMemory(&pReport->ChNum, ptr, 1);
+ NdisMoveMemory(&pReport->MeasureStartTime, ptr + 1, 8);
+ NdisMoveMemory(&pReport->MeasureDuration, ptr + 9, 2);
+ NdisMoveMemory(&pReport->RPI_Density, ptr + 11, 8);
+ }
+ result = TRUE;
+ break;
+
+ default:
+ break;
+ }
+ eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
+ }
+
+ return result;
+}
+
+/*
+ ==========================================================================
+ Description:
+ TPC Request action frame sanity check.
+
+ Parametrs:
+ 1. MLME message containing the received frame
+ 2. message length.
+ 3. Dialog Token.
+
+ Return : None.
+ ==========================================================================
+ */
+static BOOLEAN PeerTpcReqSanity(
+ IN PRTMP_ADAPTER pAd,
+ IN VOID *pMsg,
+ IN ULONG MsgLen,
+ OUT PUINT8 pDialogToken)
+{
+ PFRAME_802_11 Fr = (PFRAME_802_11)pMsg;
+ PUCHAR pFramePtr = Fr->Octet;
+ BOOLEAN result = FALSE;
+ PEID_STRUCT eid_ptr;
+
+ MsgLen -= sizeof(HEADER_802_11);
+
+ // skip category and action code.
+ pFramePtr += 2;
+ MsgLen -= 2;
+
+ if (pDialogToken == NULL)
+ return result;
+
+ NdisMoveMemory(pDialogToken, pFramePtr, 1);
+ pFramePtr += 1;
+ MsgLen -= 1;
+
+ eid_ptr = (PEID_STRUCT)pFramePtr;
+ while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((PUCHAR)pFramePtr + MsgLen))
+ {
+ switch(eid_ptr->Eid)
+ {
+ case IE_TPC_REQUEST:
+ result = TRUE;
+ break;
+
+ default:
+ break;
+ }
+ eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
+ }
+
+ return result;
+}
+
+/*
+ ==========================================================================
+ Description:
+ TPC Report action frame sanity check.
+
+ Parametrs:
+ 1. MLME message containing the received frame
+ 2. message length.
+ 3. Dialog Token.
+ 4. TPC Report IE.
+
+ Return : None.
+ ==========================================================================
+ */
+static BOOLEAN PeerTpcRepSanity(
+ IN PRTMP_ADAPTER pAd,
+ IN VOID *pMsg,
+ IN ULONG MsgLen,
+ OUT PUINT8 pDialogToken,
+ OUT PTPC_REPORT_INFO pTpcRepInfo)
+{
+ PFRAME_802_11 Fr = (PFRAME_802_11)pMsg;
+ PUCHAR pFramePtr = Fr->Octet;
+ BOOLEAN result = FALSE;
+ PEID_STRUCT eid_ptr;
+
+ MsgLen -= sizeof(HEADER_802_11);
+
+ // skip category and action code.
+ pFramePtr += 2;
+ MsgLen -= 2;
+
+ if (pDialogToken == NULL)
+ return result;
+
+ NdisMoveMemory(pDialogToken, pFramePtr, 1);
+ pFramePtr += 1;
+ MsgLen -= 1;
+
+ eid_ptr = (PEID_STRUCT)pFramePtr;
+ while (((UCHAR*)eid_ptr + eid_ptr->Len + 1) < ((PUCHAR)pFramePtr + MsgLen))
+ {
+ switch(eid_ptr->Eid)
+ {
+ case IE_TPC_REPORT:
+ NdisMoveMemory(&pTpcRepInfo->TxPwr, eid_ptr->Octet, 1);
+ NdisMoveMemory(&pTpcRepInfo->LinkMargin, eid_ptr->Octet + 1, 1);
+ result = TRUE;
+ break;
+
+ default:
+ break;
+ }
+ eid_ptr = (PEID_STRUCT)((UCHAR*)eid_ptr + 2 + eid_ptr->Len);
+ }
+
+ return result;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Channel Switch Announcement action frame handler.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID PeerChSwAnnAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+ CH_SW_ANN_INFO ChSwAnnInfo;
+ PFRAME_802_11 pFr = (PFRAME_802_11)Elem->Msg;
+#ifdef CONFIG_STA_SUPPORT
+ UCHAR index = 0, Channel = 0, NewChannel = 0;
+ ULONG Bssidx = 0;
+#endif // CONFIG_STA_SUPPORT //
+
+ NdisZeroMemory(&ChSwAnnInfo, sizeof(CH_SW_ANN_INFO));
+ if (! PeerChSwAnnSanity(pAd, Elem->Msg, Elem->MsgLen, &ChSwAnnInfo))
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("Invalid Channel Switch Action Frame.\n"));
+ return;
+ }
+
+
+#ifdef CONFIG_STA_SUPPORT
+ if (pAd->OpMode == OPMODE_STA)
+ {
+ Bssidx = BssTableSearch(&pAd->ScanTab, pFr->Hdr.Addr3, pAd->CommonCfg.Channel);
+ if (Bssidx == BSS_NOT_FOUND)
+ {
+ DBGPRINT(RT_DEBUG_TRACE, ("PeerChSwAnnAction - Bssidx is not found\n"));
+ return;
+ }
+
+ DBGPRINT(RT_DEBUG_TRACE, ("\n****Bssidx is %d, Channel = %d\n", index, pAd->ScanTab.BssEntry[Bssidx].Channel));
+ hex_dump("SSID",pAd->ScanTab.BssEntry[Bssidx].Bssid ,6);
+
+ Channel = pAd->CommonCfg.Channel;
+ NewChannel = ChSwAnnInfo.Channel;
+
+ if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
+ {
+ // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
+ // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
+ AsicSwitchChannel(pAd, 1, FALSE);
+ AsicLockChannel(pAd, 1);
+ LinkDown(pAd, FALSE);
+ MlmeQueueInit(&pAd->Mlme.Queue);
+ BssTableInit(&pAd->ScanTab);
+ RTMPusecDelay(1000000); // use delay to prevent STA do reassoc
+
+ // channel sanity check
+ for (index = 0 ; index < pAd->ChannelListNum; index++)
+ {
+ if (pAd->ChannelList[index].Channel == NewChannel)
+ {
+ pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
+ pAd->CommonCfg.Channel = NewChannel;
+ AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
+ AsicLockChannel(pAd, pAd->CommonCfg.Channel);
+ DBGPRINT(RT_DEBUG_TRACE, ("&&&&&&&&&&&&&&&&PeerChSwAnnAction - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
+ break;
+ }
+ }
+
+ if (index >= pAd->ChannelListNum)
+ {
+ DBGPRINT_ERR(("&&&&&&&&&&&&&&&&&&&&&&&&&&PeerChSwAnnAction(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
+ }
+ }
+ }
+#endif // CONFIG_STA_SUPPORT //
+
+ return;
+}
+
+
+/*
+ ==========================================================================
+ Description:
+ Measurement Request action frame handler.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID PeerMeasureReqAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+ PFRAME_802_11 pFr = (PFRAME_802_11)Elem->Msg;
+ UINT8 DialogToken;
+ MEASURE_REQ_INFO MeasureReqInfo;
+ MEASURE_REPORT_MODE ReportMode;
+
+ if(PeerMeasureReqSanity(pAd, Elem->Msg, Elem->MsgLen, &DialogToken, &MeasureReqInfo))
+ {
+ ReportMode.word = 0;
+ ReportMode.field.Incapable = 1;
+ EnqueueMeasurementRep(pAd, pFr->Hdr.Addr2, DialogToken, MeasureReqInfo.Token, ReportMode.word, MeasureReqInfo.ReqType, 0, NULL);
+ }
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Measurement Report action frame handler.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID PeerMeasureReportAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+ MEASURE_REPORT_INFO MeasureReportInfo;
+ PFRAME_802_11 pFr = (PFRAME_802_11)Elem->Msg;
+ UINT8 DialogToken;
+ PUINT8 pMeasureReportInfo;
+
+// if (pAd->CommonCfg.bIEEE80211H != TRUE)
+// return;
+
+ if ((pMeasureReportInfo = kmalloc(sizeof(MEASURE_RPI_REPORT), GFP_ATOMIC)) == NULL)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s unable to alloc memory for measure report buffer (size=%d).\n", __FUNCTION__, sizeof(MEASURE_RPI_REPORT)));
+ return;
+ }
+
+ NdisZeroMemory(&MeasureReportInfo, sizeof(MEASURE_REPORT_INFO));
+ NdisZeroMemory(pMeasureReportInfo, sizeof(MEASURE_RPI_REPORT));
+ if (PeerMeasureReportSanity(pAd, Elem->Msg, Elem->MsgLen, &DialogToken, &MeasureReportInfo, pMeasureReportInfo))
+ {
+ do {
+ PMEASURE_REQ_ENTRY pEntry = NULL;
+
+ // Not a autonomous measure report.
+ // check the dialog token field. drop it if the dialog token doesn't match.
+ if ((DialogToken != 0)
+ && ((pEntry = MeasureReqLookUp(pAd, DialogToken)) == NULL))
+ break;
+
+ if (pEntry != NULL)
+ MeasureReqDelete(pAd, pEntry->DialogToken);
+
+ if (MeasureReportInfo.ReportType == RM_BASIC)
+ {
+ PMEASURE_BASIC_REPORT pBasicReport = (PMEASURE_BASIC_REPORT)pMeasureReportInfo;
+ if ((pBasicReport->Map.field.Radar)
+ && (DfsRequirementCheck(pAd, pBasicReport->ChNum) == TRUE))
+ {
+ NotifyChSwAnnToPeerAPs(pAd, pFr->Hdr.Addr1, pFr->Hdr.Addr2, 1, pBasicReport->ChNum);
+ StartDFSProcedure(pAd, pBasicReport->ChNum, 1);
+ }
+ }
+ } while (FALSE);
+ }
+ else
+ DBGPRINT(RT_DEBUG_TRACE, ("Invalid Measurement Report Frame.\n"));
+
+ kfree(pMeasureReportInfo);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ TPC Request action frame handler.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID PeerTpcReqAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+ PFRAME_802_11 pFr = (PFRAME_802_11)Elem->Msg;
+ PUCHAR pFramePtr = pFr->Octet;
+ UINT8 DialogToken;
+ UINT8 TxPwr = GetCurTxPwr(pAd, Elem->Wcid);
+ UINT8 LinkMargin = 0;
+ CHAR RealRssi;
+
+ // link margin: Ratio of the received signal power to the minimum desired by the station (STA). The
+ // STA may incorporate rate information and channel conditions, including interference, into its computation
+ // of link margin.
+
+ RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0),
+ ConvertToRssi(pAd, Elem->Rssi1, RSSI_1),
+ ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
+
+ // skip Category and action code.
+ pFramePtr += 2;
+
+ // Dialog token.
+ NdisMoveMemory(&DialogToken, pFramePtr, 1);
+
+ LinkMargin = (RealRssi / MIN_RCV_PWR);
+ if (PeerTpcReqSanity(pAd, Elem->Msg, Elem->MsgLen, &DialogToken))
+ EnqueueTPCRep(pAd, pFr->Hdr.Addr2, DialogToken, TxPwr, LinkMargin);
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ TPC Report action frame handler.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+static VOID PeerTpcRepAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+ UINT8 DialogToken;
+ TPC_REPORT_INFO TpcRepInfo;
+ PTPC_REQ_ENTRY pEntry = NULL;
+
+ NdisZeroMemory(&TpcRepInfo, sizeof(TPC_REPORT_INFO));
+ if (PeerTpcRepSanity(pAd, Elem->Msg, Elem->MsgLen, &DialogToken, &TpcRepInfo))
+ {
+ if ((pEntry = TpcReqLookUp(pAd, DialogToken)) != NULL)
+ {
+ TpcReqDelete(pAd, pEntry->DialogToken);
+ DBGPRINT(RT_DEBUG_TRACE, ("%s: DialogToken=%x, TxPwr=%d, LinkMargin=%d\n",
+ __FUNCTION__, DialogToken, TpcRepInfo.TxPwr, TpcRepInfo.LinkMargin));
+ }
+ }
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+ Spectrun action frames Handler such as channel switch annoucement,
+ measurement report, measurement request actions frames.
+
+ Parametrs:
+ Elme - MLME message containing the received frame
+
+ Return : None.
+ ==========================================================================
+ */
+VOID PeerSpectrumAction(
+ IN PRTMP_ADAPTER pAd,
+ IN MLME_QUEUE_ELEM *Elem)
+{
+
+ UCHAR Action = Elem->Msg[LENGTH_802_11+1];
+
+ if (pAd->CommonCfg.bIEEE80211H != TRUE)
+ return;
+
+ switch(Action)
+ {
+ case SPEC_MRQ:
+ // current rt2860 unable do such measure specified in Measurement Request.
+ // reject all measurement request.
+ PeerMeasureReqAction(pAd, Elem);
+ break;
+
+ case SPEC_MRP:
+ PeerMeasureReportAction(pAd, Elem);
+ break;
+
+ case SPEC_TPCRQ:
+ PeerTpcReqAction(pAd, Elem);
+ break;
+
+ case SPEC_TPCRP:
+ PeerTpcRepAction(pAd, Elem);
+ break;
+
+ case SPEC_CHANNEL_SWITCH:
+{
+#ifdef DOT11N_DRAFT3
+ SEC_CHA_OFFSET_IE Secondary;
+ CHA_SWITCH_ANNOUNCE_IE ChannelSwitch;
+
+ // 802.11h only has Channel Switch Announcement IE.
+ RTMPMoveMemory(&ChannelSwitch, &Elem->Msg[LENGTH_802_11+4], sizeof (CHA_SWITCH_ANNOUNCE_IE));
+
+ // 802.11n D3.03 adds secondary channel offset element in the end.
+ if (Elem->MsgLen == (LENGTH_802_11 + 2 + sizeof (CHA_SWITCH_ANNOUNCE_IE) + sizeof (SEC_CHA_OFFSET_IE)))
+ {
+ RTMPMoveMemory(&Secondary, &Elem->Msg[LENGTH_802_11+9], sizeof (SEC_CHA_OFFSET_IE));
+ }
+ else
+ {
+ Secondary.SecondaryChannelOffset = 0;
+ }
+
+ if ((Elem->Msg[LENGTH_802_11+2] == IE_CHANNEL_SWITCH_ANNOUNCEMENT) && (Elem->Msg[LENGTH_802_11+3] == 3))
+ {
+ ChannelSwitchAction(pAd, Elem->Wcid, ChannelSwitch.NewChannel, Secondary.SecondaryChannelOffset);
+ }
+#endif // DOT11N_DRAFT3 //
+}
+ PeerChSwAnnAction(pAd, Elem);
+ break;
+ }
+
+ return;
+}
+
+/*
+ ==========================================================================
+ Description:
+
+ Parametrs:
+
+ Return : None.
+ ==========================================================================
+ */
+INT Set_MeasureReq_Proc(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR arg)
+{
+ UINT Aid = 1;
+ UINT ArgIdx;
+ PUCHAR thisChar;
+
+ MEASURE_REQ_MODE MeasureReqMode;
+ UINT8 MeasureReqToken = RandomByte(pAd);
+ UINT8 MeasureReqType = RM_BASIC;
+ UINT8 MeasureCh = 1;
+
+ ArgIdx = 1;
+ while ((thisChar = strsep((char **)&arg, "-")) != NULL)
+ {
+ switch(ArgIdx)
+ {
+ case 1: // Aid.
+ Aid = simple_strtol(thisChar, 0, 16);
+ break;
+
+ case 2: // Measurement Request Type.
+ MeasureReqType = simple_strtol(thisChar, 0, 16);
+ if (MeasureReqType > 3)
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: unknow MeasureReqType(%d)\n", __FUNCTION__, MeasureReqType));
+ return TRUE;
+ }
+ break;
+
+ case 3: // Measurement channel.
+ MeasureCh = simple_strtol(thisChar, 0, 16);
+ break;
+ }
+ ArgIdx++;
+ }
+
+ DBGPRINT(RT_DEBUG_TRACE, ("%s::Aid = %d, MeasureReqType=%d MeasureCh=%d\n", __FUNCTION__, Aid, MeasureReqType, MeasureCh));
+ if (!VALID_WCID(Aid))
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: unknow sta of Aid(%d)\n", __FUNCTION__, Aid));
+ return TRUE;
+ }
+
+ MeasureReqMode.word = 0;
+ MeasureReqMode.field.Enable = 1;
+
+ MeasureReqInsert(pAd, MeasureReqToken);
+
+ EnqueueMeasurementReq(pAd, pAd->MacTab.Content[Aid].Addr,
+ MeasureReqToken, MeasureReqMode.word, MeasureReqType, MeasureCh, 2000);
+
+ return TRUE;
+}
+
+INT Set_TpcReq_Proc(
+ IN PRTMP_ADAPTER pAd,
+ IN PUCHAR arg)
+{
+ UINT Aid;
+
+ UINT8 TpcReqToken = RandomByte(pAd);
+
+ Aid = simple_strtol(arg, 0, 16);
+
+ DBGPRINT(RT_DEBUG_TRACE, ("%s::Aid = %d\n", __FUNCTION__, Aid));
+ if (!VALID_WCID(Aid))
+ {
+ DBGPRINT(RT_DEBUG_ERROR, ("%s: unknow sta of Aid(%d)\n", __FUNCTION__, Aid));
+ return TRUE;
+ }
+
+ TpcReqInsert(pAd, TpcReqToken);
+
+ EnqueueTPCReq(pAd, pAd->MacTab.Content[Aid].Addr, TpcReqToken);
+
+ return TRUE;
+}
+
projects / linux-2.6-omap-h63xx.git / blobdiff