MAX_ETHERNET_PACKET_SIZE 5002 drivers/net/ethernet/broadcom/bnx2.c if (val > (MAX_ETHERNET_PACKET_SIZE + ETH_HLEN + 4)) MAX_ETHERNET_PACKET_SIZE 746 drivers/net/ethernet/micrel/ksz884x.c #define REGULAR_RX_BUF_SIZE (MAX_ETHERNET_PACKET_SIZE + 4)