summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--share/man/man4/ip6.415
-rw-r--r--sys/netinet/in_pcb.h5
-rw-r--r--sys/netinet/udp_usrreq.c12
-rw-r--r--sys/netinet6/in6.h4
-rw-r--r--sys/netinet6/ip6_output.c11
5 files changed, 40 insertions, 7 deletions
diff --git a/share/man/man4/ip6.4 b/share/man/man4/ip6.4
index dc54d77f0f8..e704a96de4a 100644
--- a/share/man/man4/ip6.4
+++ b/share/man/man4/ip6.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: ip6.4,v 1.26 2012/06/20 07:37:01 guenther Exp $
+.\" $OpenBSD: ip6.4,v 1.27 2012/09/17 20:01:26 yasuoka Exp $
.\"
.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -26,7 +26,7 @@
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
-.Dd $Mdocdate: June 20 2012 $
+.Dd $Mdocdate: September 17 2012 $
.Dt IP6 4
.Os
.Sh NAME
@@ -421,6 +421,17 @@ Get or set the ESP encapsulation level.
Get or set the
.Xr ipcomp 4
level.
+.It Dv IPV6_RECVDSTPORT Fa "int *"
+Get or set the status of whether the destination port for a UDP datagram
+will be provided as ancillary data along with the payload in subsequent
+.Xr recvmsg 2
+calls.
+The information is stored as a single value of type
+.Vt u_int16_t
+in network byte order.
+.Pp
+Turning this option on will result in this socket getting cmsg data of
+type IPV6_RECVDSTPORT.
.El
.Pp
The
diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h
index 9d4f0d96c91..0ec3cdc01ec 100644
--- a/sys/netinet/in_pcb.h
+++ b/sys/netinet/in_pcb.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: in_pcb.h,v 1.72 2012/07/16 18:05:36 markus Exp $ */
+/* $OpenBSD: in_pcb.h,v 1.73 2012/09/17 20:01:26 yasuoka Exp $ */
/* $NetBSD: in_pcb.h,v 1.14 1996/02/13 23:42:00 christos Exp $ */
/*
@@ -196,6 +196,7 @@ struct inpcbtable {
*/
#define IN6P_HIGHPORT INP_HIGHPORT /* user wants "high" port */
#define IN6P_LOWPORT INP_LOWPORT /* user wants "low" port */
+#define IN6P_RECVDSTPORT INP_RECVDSTPORT /* receive IP dst addr before rdr */
#define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */
#define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */
#define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */
@@ -215,7 +216,7 @@ struct inpcbtable {
#define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\
IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\
IN6P_TCLASS|IN6P_AUTOFLOWLABEL|IN6P_RFC2292|\
- IN6P_MTU)
+ IN6P_MTU|IN6P_RECVDSTPORT)
#endif
#define INPLOOKUP_WILDCARD 1
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index 5a8d8e596e4..48700af5473 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: udp_usrreq.c,v 1.149 2012/07/17 03:18:57 yasuoka Exp $ */
+/* $OpenBSD: udp_usrreq.c,v 1.150 2012/09/17 20:01:26 yasuoka Exp $ */
/* $NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $ */
/*
@@ -688,6 +688,16 @@ udp_input(struct mbuf *m, ...)
if (ip && (inp->inp_flags & INP_CONTROLOPTS ||
inp->inp_socket->so_options & SO_TIMESTAMP))
ip_savecontrol(inp, &opts, ip, m);
+#ifdef INET6
+ if (ip6 && (inp->inp_flags & IN6P_RECVDSTPORT)) {
+ struct mbuf **mp = &opts;
+
+ while (*mp)
+ mp = &(*mp)->m_next;
+ *mp = sbcreatecontrol((caddr_t)&uh->uh_dport, sizeof(u_int16_t),
+ IPV6_RECVDSTPORT, IPPROTO_IPV6);
+ }
+#endif /* INET6 */
if (ip && (inp->inp_flags & INP_RECVDSTPORT)) {
struct mbuf **mp = &opts;
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h
index 70a5f0858c6..9bbec7df68d 100644
--- a/sys/netinet6/in6.h
+++ b/sys/netinet6/in6.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: in6.h,v 1.58 2012/09/15 00:47:08 guenther Exp $ */
+/* $OpenBSD: in6.h,v 1.59 2012/09/17 20:01:26 yasuoka Exp $ */
/* $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei Exp $ */
/*
@@ -451,6 +451,8 @@ struct route_in6 {
#define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */
#define IPV6_PIPEX 63 /* bool; using PIPEX */
+#define IPV6_RECVDSTPORT 64 /* bool; receive IP dst port w/dgram */
+
#define IPV6_RTABLE 0x1021 /* int; routing table, see SO_RTABLE */
/* to define items, should talk with KAME guys first, for *BSD compatibility */
diff --git a/sys/netinet6/ip6_output.c b/sys/netinet6/ip6_output.c
index 07aedeed4d2..05126b62c7f 100644
--- a/sys/netinet6/ip6_output.c
+++ b/sys/netinet6/ip6_output.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip6_output.c,v 1.125 2012/07/16 18:05:36 markus Exp $ */
+/* $OpenBSD: ip6_output.c,v 1.126 2012/09/17 20:01:26 yasuoka Exp $ */
/* $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $ */
/*
@@ -1356,6 +1356,7 @@ ip6_ctloutput(int op, struct socket *so, int level, int optname,
case IPV6_RECVTCLASS:
case IPV6_V6ONLY:
case IPV6_AUTOFLOWLABEL:
+ case IPV6_RECVDSTPORT:
if (m == NULL || m->m_len != sizeof(int)) {
error = EINVAL;
break;
@@ -1504,6 +1505,9 @@ do { \
OPTSET(IN6P_AUTOFLOWLABEL);
break;
+ case IPV6_RECVDSTPORT:
+ OPTSET(IN6P_RECVDSTPORT);
+ break;
}
break;
@@ -1766,6 +1770,7 @@ do { \
case IPV6_PORTRANGE:
case IPV6_RECVTCLASS:
case IPV6_AUTOFLOWLABEL:
+ case IPV6_RECVDSTPORT:
switch (optname) {
case IPV6_RECVHOPOPTS:
@@ -1827,6 +1832,10 @@ do { \
case IPV6_AUTOFLOWLABEL:
optval = OPTBIT(IN6P_AUTOFLOWLABEL);
break;
+
+ case IPV6_RECVDSTPORT:
+ optval = OPTBIT(IN6P_RECVDSTPORT);
+ break;
}
if (error)
break;