From cf4a45e670cff01b3f9c3aee1e8dc5462294108e Mon Sep 17 00:00:00 2001
From: mpi <mpi@openbsd.org>
Date: Mon, 29 May 2017 06:44:54 +0000
Subject: [PATCH] Pass SIOCGIFMEDIA to vlan's parent interface.

ok krw@, dlg@
---
 sys/net/if_vlan.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c
index d53ee9f89dc..a049a46eeaa 100644
--- a/sys/net/if_vlan.c
+++ b/sys/net/if_vlan.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_vlan.c,v 1.171 2017/01/24 10:08:30 krw Exp $	*/
+/*	$OpenBSD: if_vlan.c,v 1.172 2017/05/29 06:44:54 mpi Exp $	*/
 
 /*
  * Copyright 1998 Massachusetts Institute of Technology
@@ -105,6 +105,8 @@ int	vlan_multi_del(struct ifvlan *, struct ifreq *);
 void	vlan_multi_apply(struct ifvlan *, struct ifnet *, u_long);
 void	vlan_multi_free(struct ifvlan *);
 
+int	vlan_media_get(struct ifvlan *, struct ifreq *);
+
 int	vlan_iff(struct ifvlan *);
 int	vlan_setlladdr(struct ifvlan *, struct ifreq *);
 
@@ -723,10 +725,19 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 	case SIOCADDMULTI:
 		error = vlan_multi_add(ifv, ifr);
 		break;
+
 	case SIOCDELMULTI:
 		error = vlan_multi_del(ifv, ifr);
 		break;
 
+	case SIOCGIFMEDIA:
+		error = vlan_media_get(ifv, ifr);
+		break;
+
+	case SIOCSIFMEDIA:
+		error = ENOTTY;
+		break;
+
 	case SIOCSIFLLADDR:
 		error = vlan_setlladdr(ifv, ifr);
 		break;
@@ -1053,6 +1064,20 @@ forget:
 	return (0);
 }
 
+int
+vlan_media_get(struct ifvlan *ifv, struct ifreq *ifr)
+{
+	struct ifnet		*ifp0;
+	int			 error;
+
+	ifp0 = if_get(ifv->ifv_ifp0);
+	error = (ifp0 == NULL) ? ENOTTY :
+	    (*ifp0->if_ioctl)(ifp0, SIOCGIFMEDIA, (caddr_t)ifr);
+	if_put(ifp0);
+
+	return (error);
+}
+
 void
 vlan_multi_apply(struct ifvlan *ifv, struct ifnet *ifp0, u_long cmd)
 {
-- 
2.20.1