BGE_JUMBO_FRAMELEN
m->m_len = m->m_pkthdr.len = BGE_JUMBO_FRAMELEN;
BGE_JUMBO_FRAMELEN + ETHER_VLAN_ENCAP_LEN);
#define BGE_JUMBO_MTU (BGE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
#define BGE_JRAWLEN (BGE_JUMBO_FRAMELEN + ETHER_ALIGN)