ifconfig bits to set nosoii flag
OK?
diff --git sbin/ifconfig/brconfig.h sbin/ifconfig/brconfig.h
index ee68feb411b..09c871b352b 100644
--- sbin/ifconfig/brconfig.h
+++ sbin/ifconfig/brconfig.h
@@ -73,7 +73,7 @@ void switch_portno(const char *, const char *);
"\024\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS" \
"\7RUNNING\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX" \
"\15LINK0\16LINK1\17LINK2\20MULTICAST" \
- "\23INET6_NOPRIVACY\24MPLS\25WOL\26AUTOCONF6"
+ "\23INET6_NOPRIVACY\24MPLS\25WOL\26AUTOCONF6\27INET6_NOSOII"
void printb(char *, unsigned int, unsigned char *);
diff --git sbin/ifconfig/ifconfig.8 sbin/ifconfig/ifconfig.8
index cac8eafc2cb..3f0dd8f373b 100644
--- sbin/ifconfig/ifconfig.8
+++ sbin/ifconfig/ifconfig.8
@@ -1070,6 +1070,7 @@ protocol when supported by the access point.
.Op Oo Fl Oc Ns Cm autoconfprivacy
.Op Cm eui64
.Op Cm pltime Ar n
+.Op Oo Fl Oc Ns Cm soii
.Op Oo Fl Oc Ns Cm tentative
.Op Cm vltime Ar n
.Ek
@@ -1127,6 +1128,22 @@ Fill the interface index
automatically.
.It Cm pltime Ar n
Set preferred lifetime for the address.
+.It Cm soii
+Enable persistent Semantically Opaque Interface Identifiers (SOIIs),
+as per RFC 7217, for link local and SLAAC addresses on the interface.
+The purpose of these identifiers is to make discovery of hosts by
+scanning a whole prefix more difficult.
+SOIIs use the whole 64 bits of the host part while SLAAC addresses are
+formed from MAC addresses which can lower the entropy to 24 bits if
+the host is running in a virtualization environment or the hardware
+manufacturer is known.
+See RFC 8064 for details.
+SOIIs are enabled by default.
+.It Cm -soii
+Disable IPv6 persistent Semantically Opaque Interface Identifiers on the
+interface.
+Currently configured addresses will not be removed until they become
+invalid.
.It Cm tentative
Set the IPv6 tentative address bit.
.It Cm -tentative
diff --git sbin/ifconfig/ifconfig.c sbin/ifconfig/ifconfig.c
index d99bcb34871..bd7ce506398 100644
--- sbin/ifconfig/ifconfig.c
+++ sbin/ifconfig/ifconfig.c
@@ -388,6 +388,8 @@ const struct cmd {
{ "eui64", 0, 0, setia6eui64 },
{ "autoconfprivacy", -IFXF_INET6_NOPRIVACY, 0, setifxflags },
{ "-autoconfprivacy", IFXF_INET6_NOPRIVACY, 0, setifxflags },
+ { "soii", -IFXF_INET6_NOSOII, 0, setifxflags },
+ { "-soii", IFXF_INET6_NOSOII, 0, setifxflags },
#ifndef SMALL
{ "hwfeatures", NEXTARG0, 0, printifhwfeatures },
{ "metric", NEXTARG, 0, setifmetric },
--
2.13.0
--
I'm not entirely sure you are real.
