
5.11 Mobile IPv6 Related Structures 549
(ip6mhopt_type and ip6mhopt_len). This structure is also used for the PadN
mobility option. When used as a PadN option, the ip6mhopt_type field is set to
IP6_MHOPT_PADN and the ip6mhopt_len field is set to the length of the required
padding minus 2 bytes.
5.11.13 Binding Refresh Advice Option—ip6_mh_opt_refresh_advice{}
Structure
The ip6_mh_opt_refresh_advice{} structure represents the Binding Refresh Advice
option.
Listing 5-11
ip6mh.h
271 struct ip6_mh_opt_refresh_advice {
272 u_int8_t ip6mora_type;
273 u_int8_t ip6mora_len;
274 u_int8_t ip6mora_interval[2]; /* Refresh Interval (units of 4 sec)
275 } __attribute__((__packed__)); ...