Index: share/man/man4/ip6.4
===================================================================
--- share/man/man4/ip6.4
+++ share/man/man4/ip6.4
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 30, 2021
+.Dd July 24, 2022
 .Dt IP6 4
 .Os
 .Sh NAME
@@ -156,9 +156,6 @@
 .\" .It Dv IPV6_RECVDSTADDR Fa "int *"
 .\" Get or set the status of whether datagrams are received with
 .\" destination addresses.
-.\" .It Dv IPV6_ORIGDSTADDR Fa "int *"
-.\" Get or set the status of whether datagrams are received with
-.\" destination addresses and destination ports.
 .\" .It Dv IPV6_RETOPTS
 .\" Get or set IPv6 options.
 .It Dv IPV6_MULTICAST_IF Fa "u_int *"
@@ -227,6 +224,31 @@
 Drop membership from the associated multicast group.
 Memberships are automatically dropped when the socket is closed or when
 the process exits.
+.It Dv IPV6_ORIGDSTADDR Fa "int *"
+If this option is enabled on a
+.Dv SOCK_DGRAM
+socket, the
+.Xr recvmsg 2
+call will return the destination IP address and destination port for a UDP
+datagram.
+The
+.Vt msg_control
+field in the
+.Vt msghdr
+structure points to a buffer
+that contains a
+.Vt cmsghdr
+structure followed by the
+.Tn sockaddr_in6
+structure.
+The
+.Vt cmsghdr
+fields have the following values:
+.Bd -literal
+cmsg_len = CMSG_LEN(sizeof(struct sockaddr_in6))
+cmsg_level = IPPROTO_IPV6
+cmsg_type = IPV6_ORIGDSTADDR
+.Ed
 .It Dv IPV6_PORTRANGE Fa "int *"
 Get or set the allocation policy of ephemeral ports for when the kernel
 automatically binds a local address to this socket.