commit 60ccfb31fdec3411c0f3e2fe996b32c4d0695829
author Sreelakshmi Konamki <c_skonam@qti.qualcomm.com> Fri Jul 08 12:53:12 2016 +0530
committer Satyanarayana Dash <sadash@codeaurora.org> Mon Jul 11 16:44:56 2016 +0530
tree 9bf940018f8138b8575001f1193672bc497d5276
parent 560c7cf592642d8a4f992627c0c04827d48f5932

wlan: Limit further ADDBA requests if AP/STA declines the request

Currently DUT sends ADDBA request for every 1 sec even when AP/STA declines
every request due to its configuration to reject ADDBA request.

To address this, increase BA timestamp to (failure_count * 5) mins for
each rejection and stop sending ADDBA request after 10 rejections.

Change-Id: I93dc66c00279b7e77bf20990151e4b5bbe0bfbc2
CRS-Fixed: 1037741

CORE/MAC/inc/aniGlobal.h

diff --git a/CORE/MAC/inc/aniGlobal.h b/CORE/MAC/inc/aniGlobal.h
index cb3dbb4..1d50dbf 100644
--- a/CORE/MAC/inc/aniGlobal.h
+++ b/CORE/MAC/inc/aniGlobal.h
@@ -255,6 +255,11 @@
     void *pMlmDeauthReq;
 }tLimDisassocDeauthCnfReq;
 
+typedef struct {
+    tANI_U32 failed_count[MAX_TIDS];
+    v_TIME_t failed_timestamp[MAX_TIDS];
+} tLimStaBAInfo;
+
 typedef struct sAniSirLim
 {
     //////////////////////////////////////     TIMER RELATED START ///////////////////////////////////////////
@@ -908,6 +913,7 @@
     tANI_U32 remOnChnSeqNum;
     tANI_U32 txBdToken;
     tANI_U32 EnableTdls2040BSSCoexIE;
+    tLimStaBAInfo staBaInfo[WLAN_MAX_STA_COUNT];
 } tAniSirLim, *tpAniSirLim;
 
 typedef struct sLimMgmtFrameRegistration

CORE/MAC/src/pe/lim/limApi.c

diff --git a/CORE/MAC/src/pe/lim/limApi.c b/CORE/MAC/src/pe/lim/limApi.c
index 6d34461..f49aa01 100644
--- a/CORE/MAC/src/pe/lim/limApi.c
+++ b/CORE/MAC/src/pe/lim/limApi.c
@@ -444,6 +444,7 @@
     pMac->lim.gHTDualCTSProtection = 0;
     pMac->lim.gHTSTBCBasicMCS = 0;
     pMac->lim.gAddBA_Declined = 0;               // Flag to Decline the BAR if the particular bit (0-7) is being set   
+    vos_mem_set(&pMac->lim.staBaInfo, sizeof(pMac->lim.staBaInfo), 0);
 }
 
 static tSirRetStatus __limInitConfig( tpAniSirGlobal pMac )

CORE/MAC/src/pe/lim/limProcessActionFrame.c

diff --git a/CORE/MAC/src/pe/lim/limProcessActionFrame.c b/CORE/MAC/src/pe/lim/limProcessActionFrame.c
index cb91604..ab54e41 100644
--- a/CORE/MAC/src/pe/lim/limProcessActionFrame.c
+++ b/CORE/MAC/src/pe/lim/limProcessActionFrame.c
@@ -1541,6 +1541,10 @@
   if( eSIR_MAC_SUCCESS_STATUS == frmAddBARsp.Status.status )
   {
     tANI_U32 val;
+    pMac->lim.staBaInfo[pSta->staIndex].
+        failed_count[frmAddBARsp.AddBAParameterSet.tid] = 0;
+    pMac->lim.staBaInfo[pSta->staIndex].
+        failed_timestamp[frmAddBARsp.AddBAParameterSet.tid] = 0;
     if (wlan_cfgGetInt(pMac, WNI_CFG_NUM_BUFF_ADVERT , &val) != eSIR_SUCCESS)
     {
         limLog(pMac, LOG1, FL("Unable to get WNI_CFG_NUM_BUFF_ADVERT"));
@@ -1567,8 +1571,13 @@
     }
   }
   else
+  {
+    pMac->lim.staBaInfo[pSta->staIndex].
+       failed_count[frmAddBARsp.AddBAParameterSet.tid]++;
+    pMac->lim.staBaInfo[pSta->staIndex].failed_timestamp[
+       frmAddBARsp.AddBAParameterSet.tid] = jiffies_to_msecs(jiffies);
     goto returnAfterError;
-
+  }
   // Change STA state to wait for ADDBA Rsp from HAL
   LIM_SET_STA_BA_STATE(pSta, frmAddBARsp.AddBAParameterSet.tid, eLIM_BA_STATE_WT_ADD_RSP);