1 #include <netinet/in_systm.h>
2 #include <netinet/ip_mroute.h>
3 #include <netinet/ip.h>
4 #include <netinet/igmp.h>
6 #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY
7 #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT
8 #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT
9 #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE
11 #define INADDR_ALLRTRS_GROUP INADDR_ALLROUTERS_GROUP
13 static inline u_short
ip_data_len(const struct ip
*ip
)
15 return ntohs(ip
->ip_len
) - (ip
->ip_hl
<< 2);
18 static inline void ip_set_len(struct ip
*ip
, u_short len
)
20 ip
->ip_len
= htons(len
);