diff options
| -rw-r--r-- | drivers/net/ethernet/xscale/ixp4xx_eth.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index b242aa61d8ab..5c2fd2852e32 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -24,6 +24,7 @@ #include <linux/dma-mapping.h> #include <linux/dmapool.h> #include <linux/etherdevice.h> +#include <linux/if_vlan.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/net_tstamp.h> @@ -1488,6 +1489,13 @@ static int ixp4xx_eth_probe(struct platform_device *pdev) ndev->dev.dma_mask = dev->dma_mask; ndev->dev.coherent_dma_mask = dev->coherent_dma_mask; + /* Maximum frame size is 16320 bytes and includes VLAN and + * ethernet headers. See "IXP400 Software Programmer's Guide" + * section 10.3.2, page 161. + */ + ndev->min_mtu = ETH_MIN_MTU; + ndev->max_mtu = 16320 - VLAN_ETH_HLEN; + netif_napi_add_weight(ndev, &port->napi, eth_poll, NAPI_WEIGHT); if (!(port->npe = npe_request(NPE_ID(port->id)))) |