PROTO_LAYER2
if (((pkt->dn_dir == (DIR_OUT | PROTO_LAYER2)) ||
(pkt->dn_dir == (DIR_OUT | PROTO_LAYER2 | PROTO_IPV6))) &&
case DIR_IN | PROTO_LAYER2 | PROTO_IPV6:
case DIR_IN | PROTO_LAYER2: /* DN_TO_ETH_DEMUX: */
case DIR_OUT | PROTO_LAYER2 | PROTO_IPV6:
case DIR_OUT | PROTO_LAYER2: /* DN_TO_ETH_OUT: */
dt->iphdr_off = (dir & PROTO_LAYER2) ? ETHER_HDR_LEN : 0;
dir |= PROTO_LAYER2;
if (/*V_dn_cfg.io_fast &&*/ m == *m0 && (dir & PROTO_LAYER2) == 0 ) {