dsa: add support for Trailer tagging format
This adds support for the Trailer switch tagging format. This is
another tagging that doesn't explicitly mark tagged packets with a
distinct ethertype, so that we need to add a similar hack in the
receive path as for the Original DSA tagging format.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Byron Bradley <byron.bbradley@gmail.com>
Tested-by: Tim Ellis <tim.ellis@mac.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 8f8868d..3761688 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -249,6 +249,11 @@
slave_dev->hard_start_xmit = edsa_xmit;
break;
#endif
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+ case htons(ETH_P_TRAILER):
+ slave_dev->hard_start_xmit = trailer_xmit;
+ break;
+#endif
default:
BUG();
}