bsd/netinet6/dest6.c

62 	struct ip6_dest *dstopts;
67 	IP6_EXTHDR_CHECK(m, off, sizeof(*dstopts), return IPPROTO_DONE);
68 	dstopts = (struct ip6_dest *)(mtod(m, caddr_t) + off);
70 	IP6_EXTHDR_GET(dstopts, struct ip6_dest *, m, off, sizeof(*dstopts));
71 	if (dstopts == NULL)
74 	dstoptlen = (dstopts->ip6d_len + 1) << 3;
78 	dstopts = (struct ip6_dest *)(mtod(m, caddr_t) + off);
80 	IP6_EXTHDR_GET(dstopts, struct ip6_dest *, m, off, dstoptlen);
81 	if (dstopts == NULL)
86 	opt = (u_int8_t *)dstopts + sizeof(struct ip6_dest);
115 	return (dstopts->ip6d_nxt);