qcacld-3.0: Remove obsolete STA support for SIOCSIWRTS

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 SIOCSIWRTS should no longer be used, so remove
it.

Change-Id: I2562e9b2e063810b98a7be15419468f09180ac57
CRs-Fixed: 2128985

core/hdd/src/wlan_hdd_wext.c

@@ -5219,73 +5219,6 @@ static int iw_set_bitrate(struct net_device *dev,
 	return ret;
 }
 
-/**
- * __iw_set_rts_threshold() - SIOCSIWRTS 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_set_rts_threshold(struct net_device *dev,
-				  struct iw_request_info *info,
-				  union iwreq_data *wrqu, char *extra)
-{
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(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 (wrqu->rts.value < WNI_CFG_RTS_THRESHOLD_STAMIN
-	    || wrqu->rts.value > WNI_CFG_RTS_THRESHOLD_STAMAX) {
-		return -EINVAL;
-	}
-
-	if (sme_cfg_set_int(hHal, WNI_CFG_RTS_THRESHOLD, wrqu->rts.value) !=
-			QDF_STATUS_SUCCESS) {
-		hdd_err("failed to set ini parameter, WNI_CFG_RTS_THRESHOLD");
-		return -EIO;
-	}
-
-	EXIT();
-
-	return 0;
-}
-
-/**
- * iw_set_rts_threshold() - SSR wrapper for __iw_set_rts_threshold()
- * @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_set_rts_threshold(struct net_device *dev,
-				struct iw_request_info *info,
-				union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_rts_threshold(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_range() - SIOCGIWRANGE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -11727,7 +11660,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) NULL,      /* -- hole -- */
 	(iw_handler) iw_set_bitrate,    /* SIOCSIWRATE */
 	(iw_handler) iw_get_bitrate,    /* SIOCGIWRATE */
-	(iw_handler) iw_set_rts_threshold,      /* SIOCSIWRTS */
+	(iw_handler) NULL,      /* SIOCSIWRTS */
 	(iw_handler) NULL,      /* SIOCGIWRTS */
 	(iw_handler) NULL,      /* SIOCSIWFRAG */
 	(iw_handler) NULL,      /* SIOCGIWFRAG */