Update if_obytes and if_omcast after successful transmit.

While I'm here update if_oerrors if parent interface of vlan is not
up and running.  Previously it updated collision counter and it was
confusing to interprete it.

PR:		kern/163478
Reviewed by:	glebius, jhb
Tested by:	Joe Holden < lists <> rewt dot org dot uk >

1 files changed, 8 insertions, 4 deletions

diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c
index 51e1c6c..7fea183 100644
--- a/sys/net/if_vlan.c
+++ b/sys/net/if_vlan.c
@@ -1012,10 +1012,12 @@ vlan_transmit(struct ifnet *ifp, struct mbuf *m)
 {
 	struct ifvlan *ifv;
 	struct ifnet *p;
-	int error;
+	int error, len, mcast;
 
 	ifv = ifp->if_softc;
 	p = PARENT(ifv);
+	len = m->m_pkthdr.len;
+	mcast = (m->m_flags & (M_MCAST | M_BCAST)) ? 1 : 0;
 
 	BPF_MTAP(ifp, m);
 
@@ -1025,7 +1027,7 @@ vlan_transmit(struct ifnet *ifp, struct mbuf *m)
 	 */
 	if (!UP_AND_RUNNING(p)) {
 		m_freem(m);
-		ifp->if_collisions++;
+		ifp->if_oerrors++;
 		return (0);
 	}
 
@@ -1081,9 +1083,11 @@ vlan_transmit(struct ifnet *ifp, struct mbuf *m)
 	 * Send it, precisely as ether_output() would have.
 	 */
 	error = (p->if_transmit)(p, m);
-	if (!error)
+	if (!error) {
 		ifp->if_opackets++;
-	else
+		ifp->if_omcasts += mcast;
+		ifp->if_obytes += len;
+	} else
 		ifp->if_oerrors++;
 	return (error);
 }