commit ee001fcc93a415d9d648dc92c7dfb13ed8feccba
author Hanumantha Reddy Pothula <c_hpothu@qti.qualcomm.com> Tue May 26 15:21:53 2015 +0530
committer Satyanarayana Dash <c_sadash@qti.qualcomm.com> Tue Jun 09 21:25:41 2015 +0530
tree bcbab397f9ccba811da068937ce4b500023a7945
parent 1abf9d1a16c55ebe0f80d754d2d64a644eb8db88

wlan: Toggle ARP packets BD rates and send using TID 3

To make sure AP receives ARP packets, sending ARP packets on BD
rates 1(1Mbps) and 3(6Mbps) alternatively and for reliability
sending on TID 3.
This support will be enabled when ini parameter, gToggleArpBDRates
is set to TRUE. By default ini parameter will be set to FALSE.

Change-Id: I858c696f9299c37d564cc3e04ea813081e79acad
CRs-Fixed: 843313

CORE/TL/src/wlan_qct_tl.c

diff --git a/CORE/TL/src/wlan_qct_tl.c b/CORE/TL/src/wlan_qct_tl.c
index 0d0da27..d160b0b 100644
--- a/CORE/TL/src/wlan_qct_tl.c
+++ b/CORE/TL/src/wlan_qct_tl.c
@@ -138,6 +138,7 @@
 #include "vos_trace.h"
 #include "wlan_qct_tl_trace.h"
 #include "tlDebug.h"
+#include "cfgApi.h"
 #ifdef FEATURE_WLAN_WAPI
 /*Included to access WDI_RxBdType */
 #include "wlan_qct_wdi_bd.h"
@@ -1150,6 +1151,8 @@
   WLANTL_CbType*  pTLCb = NULL;
   WLANTL_STAClientType* pClientSTA = NULL;
   v_U8_t    ucTid = 0;/*Local variable to clear previous replay counters of STA on all TIDs*/
+  v_U32_t   istoggleArpEnb = 0;
+  tpAniSirGlobal pMac;
   /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
 
   /*------------------------------------------------------------------------
@@ -1233,10 +1236,17 @@
   pClientSTA->wSTADesc.ucSTAId  = pwSTADescType->ucSTAId;
   pClientSTA->ptkInstalled = 0;
 
+  pMac = vos_get_context(VOS_MODULE_ID_PE, pvosGCtx);
+  if ( NULL != pMac )
+  {
+    wlan_cfgGetInt(pMac, WNI_CFG_TOGGLE_ARP_BDRATES, &istoggleArpEnb);
+  }
+  pClientSTA->arpRate = (v_U8_t)istoggleArpEnb;
+
   TLLOG2(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
-             "WLAN TL:Registering STA Client ID: %d with UC %d and BC %d", 
-             pwSTADescType->ucSTAId, 
-              pwSTADescType->ucUcastSig, pwSTADescType->ucBcastSig));
+   "WLAN TL:Registering STA Client ID: %d with UC %d and BC %d toggleArp :%hhu",
+    pwSTADescType->ucSTAId, pwSTADescType->ucUcastSig,
+    pwSTADescType->ucBcastSig, pClientSTA->arpRate));
 
   pClientSTA->wSTADesc.wSTAType = pwSTADescType->wSTAType;
 
@@ -7995,8 +8005,17 @@
 #endif /* FEATURE_WLAN_TDLS */
   if( tlMetaInfo.ucIsArp )
   {
-    /*Send ARP at lowest Phy rate and through WQ5 */
-    ucTxFlag |= HAL_USE_BD_RATE_MASK;
+    if (pStaClient->arpRate == 0)
+    {
+        ucTxFlag |= HAL_USE_BD_RATE_1_MASK;
+    }
+    else if (pStaClient->arpRate == 1 || pStaClient->arpRate == 3)
+    {
+        pStaClient->arpRate ^= 0x2;
+        ucTxFlag |= HAL_USE_BD_RATE_1_MASK<<(pStaClient->arpRate-1);
+    }
+    TLLOG2(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO,
+           "arp pkt sending on BD rate: %hhu", pStaClient->arpRate));
   }
 
   vosStatus = (VOS_STATUS)WDA_DS_BuildTxPacketInfo( pvosGCtx, 

CORE/TL/src/wlan_qct_tli.h

diff --git a/CORE/TL/src/wlan_qct_tli.h b/CORE/TL/src/wlan_qct_tli.h
index af20126..b9f3744 100644
--- a/CORE/TL/src/wlan_qct_tli.h
+++ b/CORE/TL/src/wlan_qct_tli.h
@@ -122,6 +122,7 @@
 
 /*WAPI protocol type */
 #define WLANTL_LLC_WAI_TYPE              0x88b4
+#define WLANTL_ETHERTYPE_ARP             0x0806
 
 #ifdef FEATURE_WLAN_TDLS
 #define WLANTL_LLC_TDLS_TYPE             0x890d
@@ -695,6 +696,8 @@
 
   WLANTL_InterfaceStatsType         interfaceStats;
 #endif
+  /* BD Rate for transmitting ARP packets */
+  v_U8_t arpRate;
 }WLANTL_STAClientType;
 
 /*---------------------------------------------------------------------------