From patchwork Wed Jan 11 23:12:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v2] ksz884x: fix mtu for VLAN Date: Wed, 11 Jan 2012 13:12:43 -0000 From: Doug Kehn X-Patchwork-Id: 135531 Message-Id: <20120111231243.GA14836@dkehn-Latitude-D830> To: netdev@vger.kernel.org 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 --- 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)