From 23e9862bcd1cec2160166d253b928b0f12e59f0a Mon Sep 17 00:00:00 2001 From: Jason Wright Date: Fri, 19 Mar 1999 22:47:35 +0000 Subject: Add flag to allow some interfaces to not see packets with unknown destination. --- sys/net/if_bridge.c | 8 ++++++-- sys/net/if_bridge.h | 5 +++-- 2 files changed, 9 insertions(+), 4 deletions(-) (limited to 'sys/net') diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c index 9e3ed260c65..1038df0c081 100644 --- a/sys/net/if_bridge.c +++ b/sys/net/if_bridge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bridge.c,v 1.7 1999/03/19 02:46:54 jason Exp $ */ +/* $OpenBSD: if_bridge.c,v 1.8 1999/03/19 22:47:33 jason Exp $ */ /* * Copyright (c) 1999 Jason L. Wright (jason@thought.net) @@ -280,7 +280,7 @@ bridge_ioctl(ifp, cmd, data) } p->ifp = ifs; - p->bif_flags = IFBIF_LEARNING; + p->bif_flags = IFBIF_LEARNING | IFBIF_DISCOVER; LIST_INSERT_HEAD(&sc->sc_iflist, p, next); ifs->if_bridge = (caddr_t)sc; break; @@ -890,6 +890,10 @@ bridge_broadcast(sc, ifp, eh, m) if (p->ifp->if_index == ifp->if_index) continue; + if ((p->bif_flags & IFBIF_DISCOVER) == 0 && + (m->m_flags & (M_BCAST|M_MCAST)) == 0) + continue; + if ((p->ifp->if_flags & IFF_RUNNING) == 0) continue; diff --git a/sys/net/if_bridge.h b/sys/net/if_bridge.h index 6ebcccf5df1..ca4e89e34dc 100644 --- a/sys/net/if_bridge.h +++ b/sys/net/if_bridge.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bridge.h,v 1.5 1999/03/19 02:46:54 jason Exp $ */ +/* $OpenBSD: if_bridge.h,v 1.6 1999/03/19 22:47:33 jason Exp $ */ /* * Copyright (c) 1999 Jason L. Wright (jason@thought.net) @@ -40,7 +40,8 @@ struct ifbreq { u_int32_t ifbr_ifsflags; /* memver ifs flags */ }; -#define IFBIF_LEARNING 0x1 /* ifs can learn */ +#define IFBIF_LEARNING 0x1 /* ifs can learn */ +#define IFBIF_DISCOVER 0x2 /* ifs sends packets w/unknown dest */ /* * Interface list structure -- cgit v1.2.3