ksz884x: fix mtu for VLAN
The Ethernet header does not account for the addition of a VLAN header.
Full size Ethernet frames containing VLAN header are not processed
because the frame is larger than the resulting hw mtu.
Signed-off-by: Doug Kehn <rdkehn@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index 6ed09a8..e52cd31 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -746,7 +746,7 @@
#define MAC_ADDR_ORDER(i) (ETH_ALEN - 1 - (i))
#define MAX_ETHERNET_BODY_SIZE 1500
-#define ETHERNET_HEADER_SIZE 14
+#define ETHERNET_HEADER_SIZE (14 + VLAN_HLEN)
#define MAX_ETHERNET_PACKET_SIZE \
(MAX_ETHERNET_BODY_SIZE + ETHERNET_HEADER_SIZE)