diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index 83d33330987..08435e7bd5f 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -297,12 +297,14 @@ typedef int (if_snd_tag_modify_t)(struct m_snd_tag *, union if_snd_tag_modify_pa
 typedef int (if_snd_tag_query_t)(struct m_snd_tag *, union if_snd_tag_query_params *);
 typedef void (if_snd_tag_free_t)(struct m_snd_tag *);
 typedef struct m_snd_tag *(if_next_send_tag_t)(struct m_snd_tag *);
+typedef int (if_snd_tag_status_str_t)(struct m_snd_tag *, char *buf, size_t *sz);
 
 struct if_snd_tag_sw {
 	if_snd_tag_modify_t *snd_tag_modify;
 	if_snd_tag_query_t *snd_tag_query;
 	if_snd_tag_free_t *snd_tag_free;
 	if_next_send_tag_t *next_snd_tag;
+	if_snd_tag_status_str_t *snd_tag_status_str;
 	u_int	type;			/* One of IF_SND_TAG_TYPE_*. */
 };