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path: root/sys/net/if_fddisubr.c
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Diffstat (limited to 'sys/net/if_fddisubr.c')
-rw-r--r--sys/net/if_fddisubr.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/sys/net/if_fddisubr.c b/sys/net/if_fddisubr.c
index 3a0f4800ff8..1d9715919c3 100644
--- a/sys/net/if_fddisubr.c
+++ b/sys/net/if_fddisubr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_fddisubr.c,v 1.42 2004/12/10 22:35:17 mcbride Exp $ */
+/* $OpenBSD: if_fddisubr.c,v 1.43 2004/12/19 03:25:36 mcbride Exp $ */
/* $NetBSD: if_fddisubr.c,v 1.5 1996/05/07 23:20:21 christos Exp $ */
/*
@@ -152,8 +152,8 @@ extern struct ifqueue pkintrq;
* Assumes that ifp is actually pointer to arpcom structure.
*/
int
-fddi_output(ifp, m0, dst, rt0)
- struct ifnet *ifp;
+fddi_output(ifp0, m0, dst, rt0)
+ struct ifnet *ifp0;
struct mbuf *m0;
struct sockaddr *dst;
struct rtentry *rt0;
@@ -165,9 +165,28 @@ fddi_output(ifp, m0, dst, rt0)
struct rtentry *rt;
struct mbuf *mcopy = (struct mbuf *)0;
struct fddi_header *fh;
- struct arpcom *ac = (struct arpcom *)ifp;
+ struct arpcom *ac = (struct arpcom *)ifp0;
short mflags;
+ struct ifnet *ifp = ifp0;
+
+#if NCARP > 0
+ if (ifp->if_type == IFT_CARP) {
+ struct ifaddr *ifa;
+ /* loop back if this is going to the carp interface */
+ if (dst != NULL && ifp0->if_link_state == LINK_STATE_UP &&
+ (ifa = ifa_ifwithaddr(dst)) != NULL &&
+ ifa->ifa_ifp == ifp0)
+ return (looutput(ifp0, m, dst, rt0));
+
+ ifp = ifp->if_carpdev;
+ ac = (struct arpcom *)ifp;
+
+ if ((ifp0->if_flags & (IFF_UP|IFF_RUNNING)) !=
+ (IFF_UP|IFF_RUNNING))
+ senderr(ENETDOWN);
+ }
+#endif /* NCARP > 0 */
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
senderr(ENETDOWN);
if ((rt = rt0) != NULL) {
@@ -396,7 +415,7 @@ fddi_output(ifp, m0, dst, rt0)
sizeof(fh->fddi_shost));
#if NCARP > 0
if (ifp->if_carp) {
- error = carp_fix_lladdr(ifp, m, NULL, NULL);
+ error = carp_fix_lladdr(ifp0, m, dst, NULL);
if (error)
goto bad;
}
@@ -415,6 +434,10 @@ fddi_output(ifp, m0, dst, rt0)
return (error);
}
ifp->if_obytes += len;
+#if NCARP > 0
+ if (ifp != ifp0)
+ ifp0->if_obytes += len;
+#endif /* NCARP > 0 */
if (mflags & M_MCAST)
ifp->if_omcasts++;
if ((ifp->if_flags & IFF_OACTIVE) == 0)
@@ -468,6 +491,14 @@ fddi_input(ifp, fh, m)
goto dropanyway;
etype = ntohs(l->llc_snap.ether_type);
m_adj(m, LLC_SNAPFRAMELEN);
+
+#if NCARP > 0
+ if (ifp->if_carp && ifp->if_type != IFT_CARP &&
+ (carp_input(m, (u_int8_t *)&fh->fddi_shost,
+ (u_int8_t *)&fh->fddi_dhost, l->llc_snap.ether_type) == 0))
+ return;
+#endif
+
switch (etype) {
#ifdef INET
case ETHERTYPE_IP: