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 6ed09a85f03506ae7679e23ec5bc4425545cc5fd..e52cd310ae76147f0bbf54cc41f63da4e7f4013c 100644 (file)
--- 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)