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-rw-r--r--net/dsa/dsa.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index f8c549281c3..33e99462023 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -217,6 +217,13 @@ bool dsa_uses_dsa_tags(void *dsa_ptr)
return !!(ds->tag_protocol == htons(ETH_P_DSA));
}
+bool dsa_uses_trailer_tags(void *dsa_ptr)
+{
+ struct dsa_switch *ds = dsa_ptr;
+
+ return !!(ds->tag_protocol == htons(ETH_P_TRAILER));
+}
+
/* link polling *************************************************************/
static void dsa_link_poll_work(struct work_struct *ugly)