qcacld-3.0: Remove obsolete STA support for SIOCGIWENCODE

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 SIOCGIWENCODE should no longer be used, so
remove it.

Change-Id: Ia67464527b795c93014ff2fe2347edd318ce6a25
CRs-Fixed: 2128585

core/hdd/src/wlan_hdd_wext.c

@@ -5342,102 +5342,6 @@ static int iw_set_bitrate(struct net_device *dev,
 	return ret;
 }
 
-/**
- * __iw_get_encode() - SIOCGIWENCODE 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_encode(struct net_device *dev,
-			   struct iw_request_info *info,
-			   struct iw_point *dwrq, char *extra)
-{
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	struct hdd_wext_state *pWextState =
-		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
-	tCsrRoamProfile *pRoamProfile = &(pWextState->roamProfile);
-	int keyId;
-	eCsrAuthType authType = eCSR_AUTH_TYPE_NONE;
-	int i;
-	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;
-
-	keyId = pRoamProfile->Keys.defaultIndex;
-
-	if (keyId < 0 || keyId >= MAX_WEP_KEYS) {
-		hdd_err("Invalid keyId: %d", keyId);
-		return -EINVAL;
-	}
-
-	if (pRoamProfile->Keys.KeyLength[keyId] > 0) {
-		dwrq->flags |= IW_ENCODE_ENABLED;
-		dwrq->length = pRoamProfile->Keys.KeyLength[keyId];
-		qdf_mem_copy(extra, &(pRoamProfile->Keys.KeyMaterial[keyId][0]),
-			     pRoamProfile->Keys.KeyLength[keyId]);
-
-		dwrq->flags |= (keyId + 1);
-	} else {
-		dwrq->flags |= IW_ENCODE_DISABLED;
-	}
-
-	for (i = 0; i < MAX_WEP_KEYS; i++) {
-		if (pRoamProfile->Keys.KeyLength[i] == 0)
-			continue;
-		else
-			break;
-	}
-
-	if (MAX_WEP_KEYS == i)
-		dwrq->flags |= IW_ENCODE_NOKEY;
-
-	authType =
-		((struct hdd_station_ctx *) WLAN_HDD_GET_STATION_CTX_PTR(adapter))->
-		conn_info.authType;
-
-	if (eCSR_AUTH_TYPE_OPEN_SYSTEM == authType)
-		dwrq->flags |= IW_ENCODE_OPEN;
-	else
-		dwrq->flags |= IW_ENCODE_RESTRICTED;
-
-	EXIT();
-	return 0;
-}
-
-/**
- * iw_get_encode() - SSR wrapper for __iw_get_encode()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @dwrq: pointer to encoding information
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_get_encode(struct net_device *dev, struct iw_request_info *info,
-			 struct iw_point *dwrq, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_get_encode(dev, info, dwrq, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_rts_threshold() - SIOCGIWRTS ioctl handler
  * @dev: device upon which the ioctl was received
@@ -12512,7 +12416,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_set_retry,      /* SIOCSIWRETRY */
 	(iw_handler) iw_get_retry,      /* SIOCGIWRETRY */
 	(iw_handler) iw_set_encode,     /* SIOCSIWENCODE */
-	(iw_handler) iw_get_encode,     /* SIOCGIWENCODE */
+	(iw_handler) NULL,      /* SIOCGIWENCODE */
 	(iw_handler) NULL,      /* SIOCSIWPOWER */
 	(iw_handler) NULL,      /* SIOCGIWPOWER */
 	(iw_handler) NULL,      /* -- hole -- */