Index: sys/netinet6/in6.h
===================================================================
RCS file: /cvs/src/sys/netinet6/in6.h,v
retrieving revision 1.78
diff -u -p -r1.78 in6.h
--- sys/netinet6/in6.h	10 Jan 2015 11:43:37 -0000	1.78
+++ sys/netinet6/in6.h	8 Feb 2015 12:39:37 -0000
@@ -606,7 +606,8 @@ ifatoia6(struct ifaddr *ifa)
 #define IPV6CTL_MAXDYNROUTES	48
 #define IPV6CTL_DAD_PENDING	49
 #define IPV6CTL_MTUDISCTIMEOUT	50
-#define IPV6CTL_MAXID		51
+#define IPV6CTL_IFQUEUE		51
+#define IPV6CTL_MAXID		52
 
 /* New entries should be added here from current IPV6CTL_MAXID value. */
 /* to define items, should talk with KAME guys first, for *BSD compatibility */
@@ -663,6 +664,7 @@ ifatoia6(struct ifaddr *ifa)
 	{ "maxdynroutes", CTLTYPE_INT }, \
 	{ "dad_pending", CTLTYPE_INT }, \
 	{ "mtudisctimeout", CTLTYPE_INT }, \
+	{ "ifq", CTLTYPE_NODE }, \
 }
 
 #define IPV6CTL_VARS { \
Index: sys/netinet6/ip6_input.c
===================================================================
RCS file: /cvs/src/sys/netinet6/ip6_input.c,v
retrieving revision 1.136
diff -u -p -r1.136 ip6_input.c
--- sys/netinet6/ip6_input.c	5 Feb 2015 01:10:57 -0000	1.136
+++ sys/netinet6/ip6_input.c	8 Feb 2015 12:39:37 -0000
@@ -1417,9 +1417,9 @@ ip6_sysctl(int *name, u_int namelen, voi
 #endif
 	int error, s;
 
-	/* All sysctl names at this level are terminal. */
-	if (namelen != 1)
-		return ENOTDIR;
+	/* Almost all sysctl names at this level are terminal. */
+	if (namelen != 1 && name[0] != IPV6CTL_IFQUEUE)
+		return (ENOTDIR);
 
 	switch (name[0]) {
 	case IPV6CTL_V6ONLY:
@@ -1456,6 +1456,9 @@ ip6_sysctl(int *name, u_int namelen, voi
 			splx(s);
 		}
 		return (error);
+	case IPV6CTL_IFQUEUE:
+		return (sysctl_ifq(name + 1, namelen - 1,
+		    oldp, oldlenp, newp, newlen, &ip6intrq));
 	default:
 		if (name[0] < IPV6CTL_MAXID)
 			return (sysctl_int_arr(ipv6ctl_vars, name, namelen,
Index: sbin/sysctl/sysctl.c
===================================================================
RCS file: /cvs/src/sbin/sysctl/sysctl.c,v
retrieving revision 1.208
diff -u -p -r1.208 sysctl.c
--- sbin/sysctl/sysctl.c	16 Jan 2015 06:40:01 -0000	1.208
+++ sbin/sysctl/sysctl.c	8 Feb 2015 12:39:37 -0000
@@ -2129,6 +2138,20 @@ sysctl_inet6(char *string, char **bufpp,
 		return (-1);
 	mib[3] = indx;
 	*typep = lp->list[indx].ctl_type;
+	if (*typep == CTLTYPE_NODE) {
+		int tindx;
+
+		if (*bufpp == NULL) {
+			listall(string, &ifqlist);
+			return(-1);
+		}
+		lp = &ifqlist;
+		if ((tindx = findname(string, "fifth", bufpp, lp)) == -1)
+			return (-1);
+		mib[4] = tindx;
+		*typep = lp->list[tindx].ctl_type;
+		return(5);
+	}
 	return (4);
 }
 #endif