[PATCH v2] ksz884x: fix mtu for VLAN
From: Doug Kehn <hidden>
Date: 2012-01-11 23:18:13
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- drivers/net/ethernet/micrel/ksz884x.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
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)
--
1.7.4.1