MYRI10GE_MAX_ETHER_MTU
#define MYRI10GE_MAX_FRAGS_PER_FRAME (MYRI10GE_MAX_ETHER_MTU/MYRI10GE_ALLOC_SIZE + 1)
static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;
netdev->max_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN;