From 01869be58ef1cd137a761d691a09be167749de15 Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Fri, 12 Feb 2016 21:15:57 +0000
Subject: [PATCH] Rename the flags field of struct nd_defrouter to "raflags".

This field contains the flags inherited from the corresponding router
advertisement message and is not for storing private state.

MFC after:	1 week
---
 sys/netinet6/nd6.c     | 2 +-
 sys/netinet6/nd6.h     | 8 ++++----
 sys/netinet6/nd6_rtr.c | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index e30ace5f41f..010b7cca666 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -2550,7 +2550,7 @@ nd6_sysctl_drlist(SYSCTL_HANDLER_ARGS)
 		error = sa6_recoverscope(&d.rtaddr);
 		if (error != 0)
 			return (error);
-		d.flags = dr->flags;
+		d.flags = dr->raflags;
 		d.rtlifetime = dr->rtlifetime;
 		d.expire = dr->expire + (time_second - time_uptime);
 		d.if_index = dr->ifp->if_index;
diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h
index 6ff4cac2918..a11ec511629 100644
--- a/sys/netinet6/nd6.h
+++ b/sys/netinet6/nd6.h
@@ -232,13 +232,13 @@ struct	in6_ndifreq {
 		((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000)
 
 TAILQ_HEAD(nd_drhead, nd_defrouter);
-struct	nd_defrouter {
+struct nd_defrouter {
 	TAILQ_ENTRY(nd_defrouter) dr_entry;
-	struct	in6_addr rtaddr;
-	u_char	flags;		/* flags on RA message */
+	struct in6_addr rtaddr;
+	u_char	raflags;	/* flags on RA message */
 	u_short	rtlifetime;
 	u_long	expire;
-	struct  ifnet *ifp;
+	struct ifnet *ifp;
 	int	installed;	/* is installed into kernel routing table */
 };
 
diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c
index a51fa7d40e7..5f29b663781 100644
--- a/sys/netinet6/nd6_rtr.c
+++ b/sys/netinet6/nd6_rtr.c
@@ -272,7 +272,7 @@ nd6_ra_input(struct mbuf *m, int off, int icmp6len)
 
 	bzero(&dr0, sizeof(dr0));
 	dr0.rtaddr = saddr6;
-	dr0.flags  = nd_ra->nd_ra_flags_reserved;
+	dr0.raflags = nd_ra->nd_ra_flags_reserved;
 	/*
 	 * Effectively-disable routes from RA messages when
 	 * ND6_IFF_NO_RADR enabled on the receiving interface or
@@ -710,7 +710,7 @@ defrouter_select(void)
 static int
 rtpref(struct nd_defrouter *dr)
 {
-	switch (dr->flags & ND_RA_FLAG_RTPREF_MASK) {
+	switch (dr->raflags & ND_RA_FLAG_RTPREF_MASK) {
 	case ND_RA_FLAG_RTPREF_HIGH:
 		return (RTPREF_HIGH);
 	case ND_RA_FLAG_RTPREF_MEDIUM:
@@ -724,7 +724,7 @@ rtpref(struct nd_defrouter *dr)
 		 * serious bug of kernel internal.  We thus always bark here.
 		 * Or, can we even panic?
 		 */
-		log(LOG_ERR, "rtpref: impossible RA flag %x\n", dr->flags);
+		log(LOG_ERR, "rtpref: impossible RA flag %x\n", dr->raflags);
 		return (RTPREF_INVALID);
 	}
 	/* NOTREACHED */
@@ -746,7 +746,7 @@ defrtrlist_update(struct nd_defrouter *new)
 		oldpref = rtpref(dr);
 
 		/* override */
-		dr->flags = new->flags; /* xxx flag check */
+		dr->raflags = new->raflags; /* XXX flag check */
 		dr->rtlifetime = new->rtlifetime;
 		dr->expire = new->expire;