qcacld-3.0: Remove obsolete STA support for SIOCGIWRETRY

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 SIOCGIWRETRY should no longer be used, so remove
it.

Change-Id: Iec9fa41ccb52723d8938b1392342b2e10d66c363
CRs-Fixed: 2128588

core/hdd/src/wlan_hdd_wext.c

@@ -6293,87 +6293,6 @@ static int iw_set_retry(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_get_retry() - SIOCGIWRETRY 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_retry(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);
-	uint32_t retry = 0;
-	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->retry.flags & IW_RETRY_LONG)) {
-		wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
-
-		if (sme_cfg_get_int(hHal, WNI_CFG_LONG_RETRY_LIMIT, &retry) !=
-		    QDF_STATUS_SUCCESS) {
-			hdd_err("WNI_CFG_LONG_RETRY_LIMIT failed");
-			return -EIO;
-		}
-
-		wrqu->retry.value = retry;
-	} else if ((wrqu->retry.flags & IW_RETRY_SHORT)) {
-		wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
-
-		if (sme_cfg_get_int(hHal, WNI_CFG_SHORT_RETRY_LIMIT, &retry) !=
-		    QDF_STATUS_SUCCESS) {
-			hdd_err("WNI_CFG_SHORT_RETRY_LIMIT failed");
-			return -EIO;
-		}
-
-		wrqu->retry.value = retry;
-	} else {
-		return -EOPNOTSUPP;
-	}
-
-	hdd_debug("Retry-Limit=%d!!", retry);
-
-	EXIT();
-
-	return 0;
-}
-
-/**
- * iw_get_retry() - SSR wrapper for __iw_get_retry()
- * @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_retry(struct net_device *dev, struct iw_request_info *info,
-			union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_get_retry(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_set_mlme() - SIOCSIWMLME ioctl handler
  * @dev: device upon which the ioctl was received
@@ -12224,7 +12143,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_set_tx_power,   /* SIOCSIWTXPOW */
 	(iw_handler) iw_get_tx_power,   /* SIOCGIWTXPOW */
 	(iw_handler) iw_set_retry,      /* SIOCSIWRETRY */
-	(iw_handler) iw_get_retry,      /* SIOCGIWRETRY */
+	(iw_handler) NULL,      /* SIOCGIWRETRY */
 	(iw_handler) NULL,      /* SIOCSIWENCODE */
 	(iw_handler) NULL,      /* SIOCGIWENCODE */
 	(iw_handler) NULL,      /* SIOCSIWPOWER */