datapath: add netlink error message to help kernel userspace integration.

[cascardo/ovs.git] / datapath / datapath.h

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 559df69..d14a162 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -204,4 +204,8 @@ struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 portid, u32 seq,
 
 int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb);
 void ovs_dp_notify_wq(struct work_struct *work);
+
+#define OVS_NLERR(fmt, ...) \
+       pr_info_once(fmt "netlink: ", ##__VA_ARGS__)
+
 #endif /* datapath.h */