qca-cld:lim: Add new message type for setting HT20/40 mode.

To support OBSS HT20/40 coex feature, a new message type for setting
HT20/40 mode of SAP is added. When SAP HT20/40 mode is changed, a
message is sent to Lim in order to change the beacon content
accordingly.

Change-Id: Iec668252d05492cf7254f602c302272a624260aa
CRs-fixed: 639836

5 files changed, 94 insertions, 0 deletions

diff --git a/CORE/MAC/inc/sirApi.h b/CORE/MAC/inc/sirApi.h
index f478bdc4b0d0..4c38f2e35424 100644
--- a/CORE/MAC/inc/sirApi.h
+++ b/CORE/MAC/inc/sirApi.h
@@ -3510,6 +3510,17 @@ typedef struct sSirChangeBIParams
     tANI_U8        sessionId;      // Session ID
 } tSirChangeBIParams, *tpSirChangeBIParams;
 
+#ifdef QCA_HT_2040_COEX
+typedef struct sSirSetHT2040Mode
+{
+    tANI_U16       messageType;
+    tANI_U16       length;
+    tANI_U8        cbMode;
+    tSirMacAddr    bssId;
+    tANI_U8        sessionId;      // Session ID
+} tSirSetHT2040Mode, *tpSirSetHT2040Mode;
+#endif
+
 #define SIR_WPS_UUID_LEN 16
 #define SIR_WPS_PBC_WALK_TIME   120  // 120 Second
 
diff --git a/CORE/MAC/inc/sirMacProtDef.h b/CORE/MAC/inc/sirMacProtDef.h
index 2dc55f862a53..d0e316b76f71 100644
--- a/CORE/MAC/inc/sirMacProtDef.h
+++ b/CORE/MAC/inc/sirMacProtDef.h
@@ -1845,6 +1845,14 @@ typedef enum eSirMacHTChannelWidth
     eHT_MAX_CHANNEL_WIDTH
 } tSirMacHTChannelWidth;
 
+typedef enum eSirMacHTChannelType
+{
+    eHT_CHAN_NO_HT = 0,
+    eHT_CHAN_HT20  = 1,
+    eHT_CHAN_HT40MINUS = 2,
+    eHT_CHAN_HT40PLUS  = 3
+} tSirMacHTChannelType;
+
 //Packet struct for HT capability
 typedef __ani_attr_pre_packed struct sHtCaps {
     tANI_U16     advCodingCap: 1;
diff --git a/CORE/MAC/inc/wniApi.h b/CORE/MAC/inc/wniApi.h
index 79a7fae0335b..4f420b7d48eb 100644
--- a/CORE/MAC/inc/wniApi.h
+++ b/CORE/MAC/inc/wniApi.h
@@ -396,6 +396,10 @@ enum eWniMsgTypes
     eWNI_SME_LINK_SPEED_IND,//Indicate linkspeed response from WMA
     eWNI_SME_CSA_OFFLOAD_EVENT,
     eWNI_SME_UPDATE_ADDITIONAL_IES,  // indicates Additional IE from hdd to PE
+#ifdef QCA_HT_2040_COEX
+    eWNI_SME_SET_HT_2040_MODE,
+#endif
+
     eWNI_SME_MSG_TYPES_END
 };
 
diff --git a/CORE/MAC/src/pe/lim/limProcessMessageQueue.c b/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
index 8cb1e9e85dfd..35c7dd094238 100644
--- a/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
+++ b/CORE/MAC/src/pe/lim/limProcessMessageQueue.c
@@ -2181,6 +2181,15 @@ limProcessMessages(tpAniSirGlobal pMac, tpSirMsgQ  limMsg)
         vos_mem_free((v_VOID_t*)limMsg->bodyptr);
         limMsg->bodyptr = NULL;
         break;
+
+#ifdef QCA_HT_2040_COEX
+    case eWNI_SME_SET_HT_2040_MODE:
+        limProcessSmeReqMessages(pMac, limMsg);
+        vos_mem_free((v_VOID_t*)limMsg->bodyptr);
+        limMsg->bodyptr = NULL;
+        break;
+#endif
+
     default:
         vos_mem_free((v_VOID_t*)limMsg->bodyptr);
         limMsg->bodyptr = NULL;
diff --git a/CORE/MAC/src/pe/lim/limProcessSmeReqMessages.c b/CORE/MAC/src/pe/lim/limProcessSmeReqMessages.c
index c72038e77ae9..8561b31c6d42 100644
--- a/CORE/MAC/src/pe/lim/limProcessSmeReqMessages.c
+++ b/CORE/MAC/src/pe/lim/limProcessSmeReqMessages.c
@@ -57,6 +57,7 @@
 #include "limSendMessages.h"
 #include "limApi.h"
 #include "wmmApsd.h"
+#include "sirMacProtDef.h"
 
 #include "sapApi.h"
 
@@ -4732,7 +4733,62 @@ __limProcessSmeChangeBI(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf)
     return;
 } /*** end __limProcessSmeChangeBI(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) ***/
 
+#ifdef QCA_HT_2040_COEX
+static void __limProcessSmeSetHT2040Mode(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf)
+{
+    tpSirSetHT2040Mode     pSetHT2040Mode;
+    tpPESession             psessionEntry;
+    tANI_U8  sessionId = 0;
+
+    PELOG1(limLog(pMac, LOG1,
+           FL("received Set HT 20/40 mode message")););
+    if(pMsgBuf == NULL)
+    {
+        limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));
+        return;
+    }
 
+    pSetHT2040Mode = (tpSirSetHT2040Mode)pMsgBuf;
+
+    if((psessionEntry = peFindSessionByBssid(pMac, pSetHT2040Mode->bssId,
+                                                   &sessionId)) == NULL)
+    {
+        limLog(pMac, LOG1, FL("Session does not exist for given BSSID "));
+        limPrintMacAddr(pMac, pSetHT2040Mode->bssId, LOG1);
+        return;
+    }
+
+    limLog(pMac, LOG1, FL("Update session entry for cbMod=%d"),
+                           pSetHT2040Mode->cbMode);
+    /*Update sessionEntry HT related fields*/
+    switch(pSetHT2040Mode->cbMode)
+    {
+    case PHY_SINGLE_CHANNEL_CENTERED:
+        psessionEntry->htSupportedChannelWidthSet = eHT_CHANNEL_WIDTH_20MHZ;
+        psessionEntry->htSecondaryChannelOffset = PHY_SINGLE_CHANNEL_CENTERED;
+        psessionEntry->htRecommendedTxWidthSet = eHT_CHANNEL_WIDTH_20MHZ;
+        break;
+    case PHY_DOUBLE_CHANNEL_LOW_PRIMARY:
+        psessionEntry->htSupportedChannelWidthSet = eHT_CHANNEL_WIDTH_40MHZ;
+        psessionEntry->htSecondaryChannelOffset = PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
+        psessionEntry->htRecommendedTxWidthSet = eHT_CHANNEL_WIDTH_40MHZ;
+        break;
+    case PHY_DOUBLE_CHANNEL_HIGH_PRIMARY:
+        psessionEntry->htSupportedChannelWidthSet = eHT_CHANNEL_WIDTH_40MHZ;
+        psessionEntry->htSecondaryChannelOffset = PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
+        psessionEntry->htRecommendedTxWidthSet = eHT_CHANNEL_WIDTH_40MHZ;
+        break;
+    default:
+        limLog(pMac, LOGE,FL("Invalid cbMode"));
+        return;
+    }
+
+    /* Update beacon */
+    schSetFixedBeaconFields(pMac, psessionEntry);
+    limSendBeaconInd(pMac, psessionEntry);
+    return;
+}
+#endif
 
 /** -------------------------------------------------------------
 \fn limProcessSmeDelBaPeerInd
@@ -5889,6 +5945,12 @@ limProcessSmeReqMessages(tpAniSirGlobal pMac, tpSirMsgQ pMsg)
              __limProcessSmeChangeBI(pMac, pMsgBuf );
              break;
 
+#ifdef QCA_HT_2040_COEX
+        case eWNI_SME_SET_HT_2040_MODE:
+             __limProcessSmeSetHT2040Mode(pMac, pMsgBuf);
+             break;
+#endif
+
 #if defined WLAN_FEATURE_VOWIFI
         case eWNI_SME_NEIGHBOR_REPORT_REQ_IND:
         case eWNI_SME_BEACON_REPORT_RESP_XMIT_IND: