diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index a7e5a76703e7..0cb571e337f6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -9770,8 +9770,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) /* MTU range: 68 - 9706 */ netdev->min_mtu = ETH_MIN_MTU; - netdev->max_mtu = I40E_MAX_RXBUFFER - - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); + netdev->max_mtu = I40E_MAX_RXBUFFER - I40E_PACKET_HDR_PAD; return 0; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index b288d58313a6..a39892d2453d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -130,6 +130,7 @@ enum i40e_dyn_idx_t { * i.e. RXBUFFER_512 --> 1216 byte skb (size-2048 slab) */ #define I40E_RX_HDR_SIZE I40E_RXBUFFER_256 +#define I40E_PACKET_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2)) #define i40e_rx_desc i40e_32byte_rx_desc #define I40E_RX_DMA_ATTR \ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index 901282c87cf6..472f606629d4 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -117,6 +117,7 @@ enum i40e_dyn_idx_t { * i.e. RXBUFFER_512 --> 1216 byte skb (size-2048 slab) */ #define I40E_RX_HDR_SIZE I40E_RXBUFFER_256 +#define I40E_PACKET_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2)) #define i40e_rx_desc i40e_32byte_rx_desc #define I40E_RX_DMA_ATTR \ diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 93536b9fc629..22919b444ddf 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -2625,7 +2625,7 @@ static void i40evf_init_task(struct work_struct *work) /* MTU range: 68 - 9710 */ netdev->min_mtu = ETH_MIN_MTU; - netdev->max_mtu = I40E_MAX_RXBUFFER - (ETH_HLEN + ETH_FCS_LEN); + netdev->max_mtu = I40E_MAX_RXBUFFER - I40E_PACKET_HDR_PAD; if (!is_valid_ether_addr(adapter->hw.mac.addr)) { dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n",