git: e1d8b0f49a9e - stable/12 - ip6(4): document IP_ORIGDSTADDR
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Date: Sat, 20 Aug 2022 02:59:52 UTC
The branch stable/12 has been updated by asomers: URL: https://cgit.FreeBSD.org/src/commit/?id=e1d8b0f49a9eb9d7c23591e70f6077f59fbb25c5 commit e1d8b0f49a9eb9d7c23591e70f6077f59fbb25c5 Author: Alan Somers <asomers@FreeBSD.org> AuthorDate: 2022-07-24 15:06:39 +0000 Commit: Alan Somers <asomers@FreeBSD.org> CommitDate: 2022-08-20 02:59:33 +0000 ip6(4): document IP_ORIGDSTADDR The option was originally added in r313524, but with incomplete documentation. Reviewed by: karels, gbe (manpages) Differential Revision: https://reviews.freebsd.org/D35890 (cherry picked from commit a043594c211fd36228f4d84273885da50bb7f59c) --- share/man/man4/ip6.4 | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/share/man/man4/ip6.4 b/share/man/man4/ip6.4 index 9828510922e1..7b448e365c3a 100644 --- a/share/man/man4/ip6.4 +++ b/share/man/man4/ip6.4 @@ -30,7 +30,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 19, 2018 +.Dd July 24, 2022 .Dt IP6 4 .Os .Sh NAME @@ -156,9 +156,6 @@ datagrams sent on this socket. .\" .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 +224,14 @@ Note that setting to this value requires superuser privileges. 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 *" +Get or set whether a datagram's original destination address and port are +returned as ancillary data along with the payload in subsequent +.Xr recvmsg 2 +calls. +The information is stored in the the ancillary data as a +.Tn sockaddr_in6 +structure. .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. @@ -420,8 +425,9 @@ The .Dv IPV6_HOPLIMIT , .Dv IPV6_HOPOPTS , .Dv IPV6_DSTOPTS , +.Dv IPV6_RTHDR , and -.Dv IPV6_RTHDR +.Dv IPV6_ORIGDSTADDR options will return ancillary data along with payload contents in subsequent .Xr recvmsg 2 calls with @@ -432,7 +438,7 @@ and .Va cmsg_type set to respective option name value (e.g., .Dv IPV6_HOPTLIMIT ) . -These options may also be used directly as ancillary +Some of these options may also be used directly as ancillary .Va cmsg_type values in .Xr sendmsg 2