There is no need to have 3 buttons to enable pfkey protocol.
Especially a button that is only enabling the protocol.
Found by jmc@ because of the manpage bits
--
:wq Claudio
Index: share/man/man4/options.4
===================================================================
RCS file: /cvs/src/share/man/man4/options.4,v
retrieving revision 1.249
diff -u -p -r1.249 options.4
--- share/man/man4/options.4 30 Apr 2017 20:09:28 -0000 1.249
+++ share/man/man4/options.4 26 May 2017 19:57:21 -0000
@@ -408,10 +408,6 @@ This option enables IP security protocol
See
.Xr ipsec 4
for more details.
-.It Cd option KEY
-Enables PFKEYv2 (RFC 2367) support.
-While not IP specific, this option is usually used in conjunction with option
-.Em IPSEC .
.It Cd option MROUTING
Includes support for IP multicast routers.
Multicast routing is controlled by the
Index: sys/conf/GENERIC
===================================================================
RCS file: /cvs/src/sys/conf/GENERIC,v
retrieving revision 1.243
diff -u -p -r1.243 GENERIC
--- sys/conf/GENERIC 20 Apr 2017 14:23:53 -0000 1.243
+++ sys/conf/GENERIC 26 May 2017 19:54:40 -0000
@@ -54,7 +54,6 @@ option TCP_SIGNATURE # TCP MD5 Signatur
option ART # Allotment Routing Table
option INET6 # IPv6
option IPSEC # IPsec
-#option KEY # PF_KEY (implied by IPSEC)
option PPP_BSDCOMP # PPP BSD compression
option PPP_DEFLATE
option PIPEX # Ppp IP EXtension, for npppd
Index: sys/kern/uipc_domain.c
===================================================================
RCS file: /cvs/src/sys/kern/uipc_domain.c,v
retrieving revision 1.50
diff -u -p -r1.50 uipc_domain.c
--- sys/kern/uipc_domain.c 9 May 2017 09:37:25 -0000 1.50
+++ sys/kern/uipc_domain.c 26 May 2017 19:55:03 -0000
@@ -56,7 +56,7 @@ struct domain *domains[] = {
#ifdef MPLS
&mplsdomain,
#endif
-#if defined (KEY) || defined (IPSEC) || defined (TCP_SIGNATURE)
+#if defined (IPSEC) || defined (TCP_SIGNATURE)
&pfkeydomain,
#endif
#ifdef INET6
