void eth_push_vlan(struct ofpbuf *, ovs_be16 tci);
void eth_pop_vlan(struct ofpbuf *);
-uint16_t eth_mpls_depth(const struct ofpbuf *packet);
-
void set_ethertype(struct ofpbuf *packet, ovs_be16 eth_type);
const char *eth_from_hex(const char *hex, struct ofpbuf **packetp);