60       struct cmsghdr *cmptr;  in send_from()  local
63       cmptr = CMSG_FIRSTHDR(&msg);  in send_from()
68 	  struct in_pktinfo *pkt = (struct in_pktinfo *)CMSG_DATA(cmptr);  in send_from()
71 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));  in send_from()
72 	  cmptr->cmsg_level = SOL_IP;  in send_from()
73 	  cmptr->cmsg_type = IP_PKTINFO;  in send_from()
75 	  struct in_addr *a = (struct in_addr *)CMSG_DATA(cmptr);  in send_from()
77 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in_addr));  in send_from()
78 	  cmptr->cmsg_level = IPPROTO_IP;  in send_from()
79 	  cmptr->cmsg_type = IP_SENDSRCADDR;  in send_from()
85 	  struct in6_pktinfo *pkt = (struct in6_pktinfo *)CMSG_DATA(cmptr);  in send_from()
88 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));  in send_from()
89 	  cmptr->cmsg_type = IPV6_PKTINFO;  in send_from()
90 	  cmptr->cmsg_level = IPV6_LEVEL;  in send_from()
586   struct cmsghdr *cmptr;  in receive_query()  local
651 	for (cmptr = CMSG_FIRSTHDR(&msg); cmptr; cmptr = CMSG_NXTHDR(&msg, cmptr))  in receive_query()
652 	  if (cmptr->cmsg_level == SOL_IP && cmptr->cmsg_type == IP_PKTINFO)  in receive_query()
654 	      dst_addr_4 = dst_addr.addr.addr4 = ((struct in_pktinfo *)CMSG_DATA(cmptr))->ipi_spec_dst;  in receive_query()
655 	      if_index = ((struct in_pktinfo *)CMSG_DATA(cmptr))->ipi_ifindex;  in receive_query()
660 	  for (cmptr = CMSG_FIRSTHDR(&msg); cmptr; cmptr = CMSG_NXTHDR(&msg, cmptr))  in receive_query()
661 	    if (cmptr->cmsg_level == IPPROTO_IP && cmptr->cmsg_type == IP_RECVDSTADDR)  in receive_query()
662 	      dst_addr_4 = dst_addr.addr.addr4 = *((struct in_addr *)CMSG_DATA(cmptr));  in receive_query()
663 	    else if (cmptr->cmsg_level == IPPROTO_IP && cmptr->cmsg_type == IP_RECVIF)  in receive_query()
665 	      if_index = *((unsigned int *)CMSG_DATA(cmptr));  in receive_query()
667 	      if_index = ((struct sockaddr_dl *)CMSG_DATA(cmptr))->sdl_index;  in receive_query()
675 	  for (cmptr = CMSG_FIRSTHDR(&msg); cmptr; cmptr = CMSG_NXTHDR(&msg, cmptr))  in receive_query()
676 	    if (cmptr->cmsg_level == IPV6_LEVEL && cmptr->cmsg_type == IPV6_PKTINFO)  in receive_query()
678 		dst_addr.addr.addr6 = ((struct in6_pktinfo *)CMSG_DATA(cmptr))->ipi6_addr;  in receive_query()
679 		if_index =((struct in6_pktinfo *)CMSG_DATA(cmptr))->ipi6_ifindex;  in receive_query()