348 int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)  in ipv6_recv_error()  argument
353 	DECLARE_SOCKADDR(struct sockaddr_in6 *, sin, msg->msg_name);  in ipv6_recv_error()
368 		msg->msg_flags |= MSG_TRUNC;  in ipv6_recv_error()
371 	err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);  in ipv6_recv_error()
375 	sock_recv_timestamp(msg, sk, skb);  in ipv6_recv_error()
408 			ip6_datagram_recv_common_ctl(sk, msg, skb);  in ipv6_recv_error()
412 				ip6_datagram_recv_specific_ctl(sk, msg, skb);  in ipv6_recv_error()
420 				ip_cmsg_recv(msg, skb);  in ipv6_recv_error()
424 	put_cmsg(msg, SOL_IPV6, IPV6_RECVERR, sizeof(errhdr), &errhdr);  in ipv6_recv_error()
428 	msg->msg_flags |= MSG_ERRQUEUE;  in ipv6_recv_error()
441 int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len,  in ipv6_recv_rxpmtu()  argument
447 	DECLARE_SOCKADDR(struct sockaddr_in6 *, sin, msg->msg_name);  in ipv6_recv_rxpmtu()
458 		msg->msg_flags |= MSG_TRUNC;  in ipv6_recv_rxpmtu()
461 	err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);  in ipv6_recv_rxpmtu()
465 	sock_recv_timestamp(msg, sk, skb);  in ipv6_recv_rxpmtu()
478 	put_cmsg(msg, SOL_IPV6, IPV6_PATHMTU, sizeof(mtu_info), &mtu_info);  in ipv6_recv_rxpmtu()
489 void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg,  in ip6_datagram_recv_common_ctl()  argument
507 		put_cmsg(msg, SOL_IPV6, IPV6_PKTINFO, sizeof(src_info), &src_info);  in ip6_datagram_recv_common_ctl()
511 void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,  in ip6_datagram_recv_specific_ctl()  argument
520 		put_cmsg(msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);  in ip6_datagram_recv_specific_ctl()
525 		put_cmsg(msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);  in ip6_datagram_recv_specific_ctl()
531 			put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);  in ip6_datagram_recv_specific_ctl()
537 		put_cmsg(msg, SOL_IPV6, IPV6_HOPOPTS, (ptr[1]+1)<<3, ptr);  in ip6_datagram_recv_specific_ctl()
563 					put_cmsg(msg, SOL_IPV6, IPV6_DSTOPTS, len, ptr);  in ip6_datagram_recv_specific_ctl()
569 					put_cmsg(msg, SOL_IPV6, IPV6_RTHDR, len, ptr);  in ip6_datagram_recv_specific_ctl()
591 		put_cmsg(msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);  in ip6_datagram_recv_specific_ctl()
595 		put_cmsg(msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);  in ip6_datagram_recv_specific_ctl()
599 		put_cmsg(msg, SOL_IPV6, IPV6_2292HOPOPTS, (ptr[1]+1)<<3, ptr);  in ip6_datagram_recv_specific_ctl()
603 		put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);  in ip6_datagram_recv_specific_ctl()
607 		put_cmsg(msg, SOL_IPV6, IPV6_2292RTHDR, (rthdr->hdrlen+1) << 3, rthdr);  in ip6_datagram_recv_specific_ctl()
611 		put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);  in ip6_datagram_recv_specific_ctl()
631 			put_cmsg(msg, SOL_IPV6, IPV6_ORIGDSTADDR, sizeof(sin6), &sin6);  in ip6_datagram_recv_specific_ctl()
636 void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,  in ip6_datagram_recv_ctl()  argument
639 	ip6_datagram_recv_common_ctl(sk, msg, skb);  in ip6_datagram_recv_ctl()
640 	ip6_datagram_recv_specific_ctl(sk, msg, skb);  in ip6_datagram_recv_ctl()
645 			  struct msghdr *msg, struct flowi6 *fl6,  in ip6_datagram_send_ctl()  argument
656 	for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {  in ip6_datagram_send_ctl()
659 		if (!CMSG_OK(msg, cmsg)) {  in ip6_datagram_send_ctl()