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Remove "prefer_source" address selection option. FreeBSD has had an

Browse Source 
implementation of RFC 3484 for this purpose for a long time and "prefer_source"
was never implemented actually.  ND6_IFF_PREFER_SOURCE macro is left intact.
This commit is contained in:
Hiroki Sato 2012-07-09 06:21:46 +00:00
parent 4fd85c4b5d
commit f6c336fe66
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=238273
5 changed files with 3 additions and 27 deletions
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2
sbin/ifconfig/af_inet6.c
View File

@ -509,8 +509,6 @@ static struct cmd inet6_cmds[] = {
DEF_CMD("-ifdisabled", -ND6_IFF_IFDISABLED, setnd6flags),
DEF_CMD("nud", ND6_IFF_PERFORMNUD, setnd6flags),
DEF_CMD("-nud", -ND6_IFF_PERFORMNUD, setnd6flags),
DEF_CMD("prefer_source",ND6_IFF_PREFER_SOURCE, setnd6flags),
DEF_CMD("-prefer_source",-ND6_IFF_PREFER_SOURCE,setnd6flags),
DEF_CMD("auto_linklocal",ND6_IFF_AUTO_LINKLOCAL,setnd6flags),
DEF_CMD("-auto_linklocal",-ND6_IFF_AUTO_LINKLOCAL,setnd6flags),
DEF_CMD_ARG("pltime", setip6pltime),

8
sbin/ifconfig/ifconfig.8
View File

@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
.Dd May 27, 2012
.Dd July 9, 2012
.Dt IFCONFIG 8
.Os
.Sh NAME
@ -716,12 +716,6 @@ Set a flag to enable Neighbor Unreachability Detection.
.It Cm -nud
Clear a flag
.Cm nud .
.It Cm prefer_source
Set a flag to prefer addresses on the interface as candidates of the
source address for outgoing packets.
.It Cm -prefer_source
Clear a flag
.Cm prefer_source .
.El
.Pp
The following parameters are specific to cloning

2
sys/netinet6/nd6.h
View File

@ -79,7 +79,7 @@ struct nd_ifinfo {
#define ND6_IFF_PERFORMNUD 0x1
#define ND6_IFF_ACCEPT_RTADV 0x2
#define ND6_IFF_PREFER_SOURCE 0x4 /* XXX: not related to ND. */
#define ND6_IFF_PREFER_SOURCE 0x4 /* Not used in FreeBSD. */
#define ND6_IFF_IFDISABLED 0x8 /* IPv6 operation is disabled due to
* DAD failure. (XXX: not ND-specific)
*/

11
usr.sbin/ndp/ndp.8
View File

@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd September 2, 2009
.Dd July 9, 2012
.Dt NDP 8
.Os
.\"
@ -192,15 +192,6 @@ on
This flag is set by
.Va net.inet6.ip6.auto_linklocal
sysctl variable.
.It Ic prefer_source
Prefer addresses on the
.Ar interface
as candidates of the source address for outgoing packets.
The default value of this flag is off.
For more details about the entire algorithm of source address
selection, see the
.Pa IMPLEMENTATION
file supplied with the KAME kit.
.It Ic disabled
Disable IPv6 operation on the interface.
When disabled, the interface discards any IPv6 packets

7
usr.sbin/ndp/ndp.c
View File

@ -1007,9 +1007,6 @@ ifinfo(ifname, argc, argv)
#endif
#ifdef ND6_IFF_AUTO_LINKLOCAL
SETFLAG("auto_linklocal", ND6_IFF_AUTO_LINKLOCAL);
#endif
#ifdef ND6_IFF_PREFER_SOURCE
SETFLAG("prefer_source", ND6_IFF_PREFER_SOURCE);
#endif
SETVALUE("basereachable", ND.basereachable);
SETVALUE("retrans", ND.retrans);
@ -1083,10 +1080,6 @@ ifinfo(ifname, argc, argv)
#ifdef ND6_IFF_AUTO_LINKLOCAL
if ((ND.flags & ND6_IFF_AUTO_LINKLOCAL))
printf("auto_linklocal ");
#endif
#ifdef ND6_IFF_PREFER_SOURCE
if ((ND.flags & ND6_IFF_PREFER_SOURCE))
printf("prefer_source ");
#endif
}
putc('\n', stdout);