From f29f19c7578e275f2a6e9880e7a0fa29ad17b8e9 Mon Sep 17 00:00:00 2001
From: luigi <luigi@FreeBSD.org>
Date: Wed, 17 Mar 1999 16:44:53 +0000
Subject: MF22... add bridging support to the device drivers. Without this
 bridging cannot work on -current/releng3!

---
 sys/pci/if_de.c  | 23 ++++++++++++++++++++-
 sys/pci/if_fxp.c | 61 +++++++++++++++++++++++++++++++++++++++-----------------
 2 files changed, 65 insertions(+), 19 deletions(-)

(limited to 'sys/pci')

diff --git a/sys/pci/if_de.c b/sys/pci/if_de.c
index facad11..d9c52f7 100644
--- a/sys/pci/if_de.c
+++ b/sys/pci/if_de.c
@@ -1,5 +1,5 @@
 /*	$NetBSD: if_de.c,v 1.82 1999/02/28 17:08:51 explorer Exp $	*/
-/*	$Id: if_de.c,v 1.100 1999/03/13 09:21:27 peter Exp $ */
+/*	$Id: if_de.c,v 1.101 1999/03/14 08:32:52 peter Exp $ */
 
 /*-
  * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
@@ -124,6 +124,10 @@
 #include <pci/dc21040reg.h>
 #define	DEVAR_INCLUDE	"pci/if_devar.h"
 #endif
+#include "opt_bdg.h"
+#ifdef BRIDGE
+#include <net/bridge.h>
+#endif
 #endif /* __FreeBSD__ */
 
 #if defined(__bsdi__)
@@ -3544,6 +3548,23 @@ tulip_rx_intr(
 	    }
 #endif
 	    sc->tulip_flags |= TULIP_RXACT;
+
+#ifdef BRIDGE /* see code in if_ed.c */
+            ms->m_pkthdr.rcvif = ifp; /* XXX */
+            ms->m_pkthdr.len = total_len; /* XXX */
+            if (do_bridge) {
+                struct ifnet *bdg_ifp ;
+                bdg_ifp = bridge_in(ms);
+                if (bdg_ifp == BDG_DROP)
+                    goto next ; /* and drop */
+                if (bdg_ifp != BDG_LOCAL)
+                    bdg_forward(&ms, bdg_ifp);
+                if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST &&
+                        bdg_ifp != BDG_MCAST)
+                    goto next ; /* and drop */
+                /* all others accepted locally */
+            } else
+#endif
 	    if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY))
 		    && (eh.ether_dhost[0] & 1) == 0
 		    && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr))
diff --git a/sys/pci/if_fxp.c b/sys/pci/if_fxp.c
index 79032ac..6568929 100644
--- a/sys/pci/if_fxp.c
+++ b/sys/pci/if_fxp.c
@@ -27,7 +27,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: if_fxp.c,v 1.63 1999/02/11 21:47:09 julian Exp $
+ *	$Id: if_fxp.c,v 1.64 1999/02/12 17:56:23 julian Exp $
  */
 
 /*
@@ -103,6 +103,12 @@
 
 #endif /* __NetBSD__ */
 
+#include "opt_bdg.h"
+#ifdef BRIDGE
+#include <net/if_types.h>
+#include <net/bridge.h>
+#endif
+
 /*
  * NOTE!  On the Alpha, we have an alignment constraint.  The
  * card DMAs the packet immediately following the RFA.  However,
@@ -1010,31 +1016,50 @@ rcvloop:
 					}
 					m->m_pkthdr.rcvif = ifp;
 					m->m_pkthdr.len = m->m_len =
-					    total_len -
-					    sizeof(struct ether_header);
+					    total_len ;
 					eh = mtod(m, struct ether_header *);
 #if NBPFILTER > 0
-					if (ifp->if_bpf) {
+					if (ifp->if_bpf)
 						bpf_tap(FXP_BPFTAP_ARG(ifp),
 						    mtod(m, caddr_t),
 						    total_len); 
-						/*
-						 * Only pass this packet up
-						 * if it is for us.
-						 */
-						if ((ifp->if_flags &
-						    IFF_PROMISC) &&
-						    (rfa->rfa_status &
-						    FXP_RFA_STATUS_IAMATCH) &&
-						    (eh->ether_dhost[0] & 1)
-						    == 0) {
-							m_freem(m);
-							goto rcvloop;
-						}
-					}
 #endif /* NBPFILTER > 0 */
+#ifdef BRIDGE
+                                        if (do_bridge) {
+                                            struct ifnet *bdg_ifp ;
+                                            bdg_ifp = bridge_in(m);
+                                            if (bdg_ifp == BDG_DROP)
+                                                goto dropit ;
+                                            if (bdg_ifp != BDG_LOCAL)
+                                                bdg_forward(&m, bdg_ifp);
+                                            if (bdg_ifp != BDG_LOCAL &&
+                                                    bdg_ifp != BDG_BCAST &&
+                                                    bdg_ifp != BDG_MCAST)
+                                                goto dropit ;
+                                            goto getit ;
+                                        }
+#endif
+					/*
+					 * Only pass this packet up
+					 * if it is for us.
+					 */
+					if ((ifp->if_flags &
+					    IFF_PROMISC) &&
+					    (rfa->rfa_status &
+					    FXP_RFA_STATUS_IAMATCH) &&
+					    (eh->ether_dhost[0] & 1)
+					    == 0) {
+dropit:
+					    if (m)
+						m_freem(m);
+					    goto rcvloop;
+					}
+getit:
 					m->m_data +=
 					    sizeof(struct ether_header);
+					m->m_len -=
+					    sizeof(struct ether_header);
+					m->m_pkthdr.len = m->m_len ;
 					ether_input(ifp, eh, m);
 				}
 				goto rcvloop;
-- 
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