qcacld-3.0: HDD: Remove obsolete support for SME_PER_STA_STATS

HDD currently requests SME_PER_STA_STATS in a few of its legacy ioctl
handlers. However these stats were specific to the WDI firmware API
used by older generations of hardware, and this interface is not
supported by WMI. In addition HDD doesn't actually do anything with
the data returned. So remove support for these stats from HDD.

Change-Id: I070685a0ca2b9c53b93c1f950eab97ea65f43f1e
CRs-Fixed: 2020065

core/hdd/inc/wlan_hdd_main.h

@@ -402,7 +402,6 @@ typedef struct hdd_stats_s {
 	tCsrGlobalClassBStatsInfo ClassB_stat;
 	tCsrGlobalClassCStatsInfo ClassC_stat;
 	tCsrGlobalClassDStatsInfo ClassD_stat;
-	tCsrPerStaStatsInfo perStaStats;
 	struct csr_per_chain_rssi_stats_info  per_chain_rssi_stats;
 	hdd_tx_rx_stats_t hddTxRxStats;
 #ifdef WLAN_FEATURE_11W

core/hdd/src/wlan_hdd_wext.c

@@ -3613,7 +3613,6 @@ static void hdd_statistics_cb(void *pStats, void *pContext)
 	tCsrGlobalClassBStatsInfo *pClassBStats = NULL;
 	tCsrGlobalClassCStatsInfo *pClassCStats = NULL;
 	tCsrGlobalClassDStatsInfo *pClassDStats = NULL;
-	tCsrPerStaStatsInfo *pPerStaStats = NULL;
 
 	if (pAdapter != NULL)
 		pStatsCache = &pAdapter->hdd_stats;
@@ -3623,7 +3622,6 @@ static void hdd_statistics_cb(void *pStats, void *pContext)
 	pClassBStats = (tCsrGlobalClassBStatsInfo *) (pClassAStats + 1);
 	pClassCStats = (tCsrGlobalClassCStatsInfo *) (pClassBStats + 1);
 	pClassDStats = (tCsrGlobalClassDStatsInfo *) (pClassCStats + 1);
-	pPerStaStats = (tCsrPerStaStatsInfo *) (pClassDStats + 1);
 
 	if (pStatsCache != NULL) {
 		/* copy the stats into the cache we keep in the
@@ -3639,8 +3637,6 @@ static void hdd_statistics_cb(void *pStats, void *pContext)
 			     sizeof(pStatsCache->ClassC_stat));
 		qdf_mem_copy(&pStatsCache->ClassD_stat, pClassDStats,
 			     sizeof(pStatsCache->ClassD_stat));
-		qdf_mem_copy(&pStatsCache->perStaStats, pPerStaStats,
-			     sizeof(pStatsCache->perStaStats));
 	}
 
 	if (pAdapter) {
@@ -4640,8 +4636,7 @@ static int __iw_get_bitrate(struct net_device *dev,
 					   SME_GLOBAL_CLASSA_STATS |
 					   SME_GLOBAL_CLASSB_STATS |
 					   SME_GLOBAL_CLASSC_STATS |
-					   SME_GLOBAL_CLASSD_STATS |
-					   SME_PER_STA_STATS,
+					   SME_GLOBAL_CLASSD_STATS,
 					   hdd_statistics_cb, 0,
 					   false,
 					   pHddStaCtx->conn_info.staId[0],
@@ -11440,8 +11435,7 @@ static int __iw_get_statistics(struct net_device *dev,
 					    SME_GLOBAL_CLASSA_STATS |
 					    SME_GLOBAL_CLASSB_STATS |
 					    SME_GLOBAL_CLASSC_STATS |
-					    SME_GLOBAL_CLASSD_STATS |
-					    SME_PER_STA_STATS,
+					    SME_GLOBAL_CLASSD_STATS,
 					    hdd_statistics_cb, 0, false,
 					    (WLAN_HDD_GET_STATION_CTX_PTR
 						     (pAdapter))->conn_info.staId[0],
@@ -11465,8 +11459,7 @@ static int __iw_get_statistics(struct net_device *dev,
 						    SME_GLOBAL_CLASSA_STATS |
 						    SME_GLOBAL_CLASSB_STATS |
 						    SME_GLOBAL_CLASSC_STATS |
-						    SME_GLOBAL_CLASSD_STATS |
-						    SME_PER_STA_STATS,
+						    SME_GLOBAL_CLASSD_STATS,
 						    NULL, 0, false,
 						    (WLAN_HDD_GET_STATION_CTX_PTR
 							     (pAdapter))->conn_info.