96 inet6_option_append(struct cmsghdr *cmsg, const u_int8_t *typep, int multx,  in inet6_option_append()  argument
100 	u_char *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_append()
101 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_append()
116 		cmsg->cmsg_len += 2;  in inet6_option_append()
126 	cmsg->cmsg_len += padlen;  in inet6_option_append()
136 	cmsg->cmsg_len += optlen;  in inet6_option_append()
143 	cmsg->cmsg_len += padlen;  in inet6_option_append()
165 inet6_option_alloc(struct cmsghdr *cmsg, int datalen, int multx, int plusy)  in inet6_option_alloc()  argument
168 	u_int8_t *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_alloc()
170 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_alloc()
185 		cmsg->cmsg_len += 2;  in inet6_option_alloc()
195 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
201 	cmsg->cmsg_len += datalen;  in inet6_option_alloc()
208 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
227 inet6_option_next(const struct cmsghdr *cmsg, u_int8_t **tptrp)  in inet6_option_next()  argument
233 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_next()
234 	    (cmsg->cmsg_type != IPV6_HOPOPTS &&  in inet6_option_next()
235 	     cmsg->cmsg_type != IPV6_DSTOPTS))  in inet6_option_next()
239 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_next()
241 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_next()
243 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_next()
283 inet6_option_find(const struct cmsghdr *cmsg, u_int8_t **tptrp, int type)  in inet6_option_find()  argument
289 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_find()
290 	    (cmsg->cmsg_type != IPV6_HOPOPTS &&  in inet6_option_find()
291 	     cmsg->cmsg_type != IPV6_DSTOPTS))  in inet6_option_find()
295 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_find()
297 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_find()
299 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_find()