dsa: add support for Microchip KSZ tail tagging

Adding support for the Microchip KSZ switch family tail tagging.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 3288a80..402459e 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -49,6 +49,9 @@
 #ifdef CONFIG_NET_DSA_TAG_EDSA
 	[DSA_TAG_PROTO_EDSA] = &edsa_netdev_ops,
 #endif
+#ifdef CONFIG_NET_DSA_TAG_KSZ
+	[DSA_TAG_PROTO_KSZ] = &ksz_netdev_ops,
+#endif
 #ifdef CONFIG_NET_DSA_TAG_LAN9303
 	[DSA_TAG_PROTO_LAN9303] = &lan9303_netdev_ops,
 #endif