qcacld-3.0: Remove obsolete STA support for SIOCGIWRATE

At one time the predecessor to the current driver was managed via
wireless extensions, but now the driver is managed by cfg80211. The
STA implementation of SIOCGIWRATE should no longer be used, so remove
it.

Change-Id: Ibc58460db88bbc3461d67a79b2dafae7a095ce62
CRs-Fixed: 2128986

core/hdd/src/wlan_hdd_wext.c

@@ -5022,97 +5022,6 @@ static int iw_get_freq(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_get_bitrate() - SIOCGIWRATE ioctl handler
- * @dev: device upon which the ioctl was received
- * @info: ioctl request information
- * @wrqu: ioctl request data
- * @extra: ioctl extra data
- *
- * Return: 0 on success, non-zero on error
- */
-static int __iw_get_bitrate(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu, char *extra)
-{
-	QDF_STATUS status;
-	struct hdd_wext_state *pWextState;
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
-	struct hdd_context *hdd_ctx;
-	int ret;
-
-	ENTER_DEV(dev);
-
-	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
-	ret = wlan_hdd_validate_context(hdd_ctx);
-	if (0 != ret)
-		return ret;
-
-	ret = hdd_check_standard_wext_control(hdd_ctx, info);
-	if (0 != ret)
-		return ret;
-
-	if (eConnectionState_Associated != sta_ctx->conn_info.connState) {
-		wrqu->bitrate.value = 0;
-	} else {
-		status =
-			sme_get_statistics(WLAN_HDD_GET_HAL_CTX(adapter),
-					   eCSR_HDD,
-					   SME_SUMMARY_STATS |
-					   SME_GLOBAL_CLASSA_STATS |
-					   SME_GLOBAL_CLASSD_STATS,
-					   hdd_statistics_cb,
-					   sta_ctx->conn_info.staId[0],
-					   adapter, adapter->sessionId);
-
-		if (QDF_STATUS_SUCCESS != status) {
-			hdd_err("Unable to retrieve statistics");
-			return qdf_status_to_os_return(status);
-		}
-
-		pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
-
-		status =
-			qdf_wait_single_event(&pWextState->hdd_qdf_event,
-					      WLAN_WAIT_TIME_STATS);
-
-		if (!QDF_IS_STATUS_SUCCESS(status)) {
-			hdd_err("SME timeout while retrieving statistics");
-			return qdf_status_to_os_return(status);
-		}
-
-		wrqu->bitrate.value =
-			adapter->hdd_stats.ClassA_stat.tx_rate * 500 * 1000;
-	}
-
-	EXIT();
-
-	return 0;
-}
-
-/**
- * iw_get_bitrate() - SSR wrapper for __iw_get_bitrate()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @wrqu: pointer to iwreq_data
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_get_bitrate(struct net_device *dev,
-			  struct iw_request_info *info,
-			  union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_get_bitrate(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_set_bitrate() - SIOCSIWRATE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -11659,7 +11568,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) NULL,      /* -- hole -- */
 	(iw_handler) NULL,      /* -- hole -- */
 	(iw_handler) iw_set_bitrate,    /* SIOCSIWRATE */
-	(iw_handler) iw_get_bitrate,    /* SIOCGIWRATE */
+	(iw_handler) NULL,      /* SIOCGIWRATE */
 	(iw_handler) NULL,      /* SIOCSIWRTS */
 	(iw_handler) NULL,      /* SIOCGIWRTS */
 	(iw_handler) NULL,      /* SIOCSIWFRAG */