1 files changed, 12 insertions, 1 deletions
diff --git a/datapath-windows/ovsext/Netlink/Netlink.h b/datapath-windows/ovsext/Netlink/Netlink.h
index 9f7cc7001..13304e8b7 100644
--- a/datapath-windows/ovsext/Netlink/Netlink.h
+++ b/datapath-windows/ovsext/Netlink/Netlink.h
@@ -89,7 +89,7 @@ UINT32 NlMsgSize(const PNL_MSG_HDR nlh);
 PCHAR NlMsgPayload(const PNL_MSG_HDR nlh);
 UINT32 NlMsgPayloadLen(const PNL_MSG_HDR nlh);
 PNL_ATTR NlMsgAttrs(const PNL_MSG_HDR nlh);
-INT NlMsgAttrLen(const PNL_MSG_HDR nlh);
+UINT32 NlMsgAttrLen(const PNL_MSG_HDR nlh);
 
 /* Netlink message parse */
 PNL_MSG_HDR NlMsgNext(const PNL_MSG_HDR nlh);
@@ -121,6 +121,17 @@ BOOLEAN NlAttrParse(const PNL_MSG_HDR nlMsg, UINT32 attrOffset,
 BOOLEAN NlParseNested(const PNL_ATTR, const NL_POLICY policy[],
                       PNL_ATTR attrs[], UINT32 n_attrs);
 
+/*
+ * --------------------------------------------------------------------------
+ * Returns the length of attribute.
+ * --------------------------------------------------------------------------
+ */
+static __inline UINT16
+NlAttrLen(const PNL_ATTR nla)
+{
+    return nla->nlaLen;
+}
+
 /* Netlink attribute validation */
 BOOLEAN NlAttrValidate(const PNL_ATTR, const PNL_POLICY);