107 inet6_option_append(struct cmsghdr *cmsg, const u_int8_t *typep, int multx,  in inet6_option_append()  argument
111 	u_char *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_append()
112 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_append()
127 		cmsg->cmsg_len += 2;  in inet6_option_append()
137 	cmsg->cmsg_len += padlen;  in inet6_option_append()
147 	cmsg->cmsg_len += optlen;  in inet6_option_append()
154 	cmsg->cmsg_len += padlen;  in inet6_option_append()
176 inet6_option_alloc(struct cmsghdr *cmsg, int datalen, int multx, int plusy)  in inet6_option_alloc()  argument
179 	u_int8_t *bp = (u_char *)cmsg + cmsg->cmsg_len;  in inet6_option_alloc()
181 	struct ip6_ext *eh = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_alloc()
196 		cmsg->cmsg_len += 2;  in inet6_option_alloc()
206 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
212 	cmsg->cmsg_len += datalen;  in inet6_option_alloc()
219 	cmsg->cmsg_len += padlen;  in inet6_option_alloc()
238 inet6_option_next(const struct cmsghdr *cmsg, u_int8_t **tptrp)  in inet6_option_next()  argument
244 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_next()
245 	    (!is_ipv6_hopopts(cmsg->cmsg_type) &&  in inet6_option_next()
246 	     !is_ipv6_dstopts(cmsg->cmsg_type)))  in inet6_option_next()
250 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_next()
252 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_next()
254 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_next()
294 inet6_option_find(const struct cmsghdr *cmsg, u_int8_t **tptrp, int type)  in inet6_option_find()  argument
300 	if (cmsg->cmsg_level != IPPROTO_IPV6 ||  in inet6_option_find()
301 	    (!is_ipv6_hopopts(cmsg->cmsg_type) &&  in inet6_option_find()
302 	     !is_ipv6_dstopts(cmsg->cmsg_type)))  in inet6_option_find()
306 	if (cmsg->cmsg_len < CMSG_SPACE(sizeof(struct ip6_ext)))  in inet6_option_find()
308 	ip6e = (struct ip6_ext *)CMSG_DATA(cmsg);  in inet6_option_find()
310 	if (cmsg->cmsg_len < CMSG_SPACE(hdrlen))  in inet6_option_find()