void packet_set_icmp(struct dp_packet *, uint8_t type, uint8_t code);
void packet_set_nd(struct dp_packet *, const struct in6_addr *target,
const struct eth_addr sll, const struct eth_addr tll);
+void packet_set_nd_ext(struct dp_packet *packet,
+ const ovs_16aligned_be32 rso_flags,
+ const uint8_t opt_type);
void packet_format_tcp_flags(struct ds *, uint16_t);
const char *packet_tcp_flag_to_string(uint32_t flag);