wlan: Flush selective scan entries during roaming
Driver flushes all non-P2P scan entries during roaming. This can
end up in no scan results if scan in progress when roam indication
is received from fw.
Add changes to selectively flush only connected ssid entries to fix
this issue.
Change-Id: Iafdd864d713eb22eb2c407dec70a20843a52946c
CRs-Fixed: 2273598
diff --git a/CORE/SME/src/csr/csrApiScan.c b/CORE/SME/src/csr/csrApiScan.c
index b7c58b4..a47ab93 100644
--- a/CORE/SME/src/csr/csrApiScan.c
+++ b/CORE/SME/src/csr/csrApiScan.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@@ -2915,6 +2915,37 @@
return (status);
}
+eHalStatus csrScanFlushSelectiveSsid(tpAniSirGlobal pMac, tANI_U8 *ssId,
+ tANI_U8 ssIdLen)
+{
+ eHalStatus status = eHAL_STATUS_SUCCESS;
+ tListElem *pEntry,*pFreeElem;
+ tCsrScanResult *pBssDesc;
+ tDblLinkList *pList = &pMac->scan.scanResultList;
+
+ csrLLLock(pList);
+
+ pEntry = csrLLPeekHead( pList, LL_ACCESS_NOLOCK );
+ while( pEntry != NULL)
+ {
+ pBssDesc = GET_BASE_ADDR( pEntry, tCsrScanResult, Link );
+ if(vos_mem_compare(pBssDesc->Result.ssId.ssId,
+ ssId, ssIdLen) )
+ {
+ pFreeElem = pEntry;
+ pEntry = csrLLNext(pList, pEntry, LL_ACCESS_NOLOCK);
+ csrLLRemoveEntry(pList, pFreeElem, LL_ACCESS_NOLOCK);
+ csrFreeScanResultEntry( pMac, pBssDesc );
+ continue;
+ }
+ pEntry = csrLLNext(pList, pEntry, LL_ACCESS_NOLOCK);
+ }
+
+ csrLLUnlock(pList);
+
+ return (status);
+}
+
/**
* csrCheck11dChannel
*