296 	mac_register_t	*macreg;  in vr_attach()  local
369 	if ((macreg = mac_alloc(MAC_VERSION)) == NULL) {  in vr_attach()
374 	macreg->m_type_ident = MAC_PLUGIN_IDENT_ETHER;  in vr_attach()
375 	macreg->m_driver = vrp;  in vr_attach()
376 	macreg->m_dip = devinfo;  in vr_attach()
377 	macreg->m_src_addr = vrp->vendor_ether_addr;  in vr_attach()
378 	macreg->m_callbacks = &vr_mac_callbacks;  in vr_attach()
379 	macreg->m_min_sdu = 0;  in vr_attach()
380 	macreg->m_max_sdu = ETHERMTU;  in vr_attach()
381 	macreg->m_margin = VLAN_TAGSZ;  in vr_attach()
383 	if (mac_register(macreg, &vrp->machdl) != 0) {  in vr_attach()
387 	mac_free(macreg);  in vr_attach()
391 	mac_free(macreg);  in vr_attach()