From 95d6206a6c70299180be035b01a61e8044b2870c Mon Sep 17 00:00:00 2001
From: aymeric <aymeric@NetBSD.org>
Date: Sun, 2 Mar 2003 10:50:14 +0000
Subject: [PATCH] ignore multicast PPPoE packets ASAP. This improves
 performance a lot on slow machines behind a cable modem. Protect it with
 PPPOE_SERVER as a reminder that this will have to be changed if we add PPPoE
 server code in the kernel one day.

---
 sys/net/if_ethersubr.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index 1d14efbfe302..f89e1fbb5f15 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ethersubr.c,v 1.104 2003/02/26 06:31:12 matt Exp $	*/
+/*	$NetBSD: if_ethersubr.c,v 1.105 2003/03/02 10:50:14 aymeric Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.104 2003/02/26 06:31:12 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.105 2003/03/02 10:50:14 aymeric Exp $");
 
 #include "opt_inet.h"
 #include "opt_atalk.h"
@@ -802,6 +802,13 @@ ether_input(struct ifnet *ifp, struct mbuf *m)
 #if NPPPOE > 0
 	case ETHERTYPE_PPPOEDISC:
 	case ETHERTYPE_PPPOE:
+#ifndef PPPOE_SERVER
+		if (m->m_flags & (M_MCAST | M_BCAST)) {
+			m_freem(m);
+			return;
+		}
+#endif
+
 		if (etype == ETHERTYPE_PPPOEDISC) 
 			inq = &ppoediscinq;
 		else