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if I'm bridging and got a packet to interface address on if A from if B, 

advertise MAC address for if A with ARP reply.
This commit is contained in:
itojun 2001-08-20 03:13:45 +00:00
parent cba884a178
commit ef0be725b3
1 changed files with 6 additions and 2 deletions
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8
sys/netinet/if_arp.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_arp.c,v 1.77 2001/08/17 21:47:57 thorpej Exp $ */
/* $NetBSD: if_arp.c,v 1.78 2001/08/20 03:13:45 itojun Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@ -823,8 +823,10 @@ in_arpinput(m)
}
#if NBRIDGE > 0
if (ia == NULL)
if (ia == NULL && bridge_ia != NULL) {
ia = bridge_ia;
ifp = bridge_ia->ia_ifp;
}
#endif
if (ia == NULL) {
@ -843,12 +845,14 @@ in_arpinput(m)
myaddr = ia->ia_addr.sin_addr;
/* XXX checks for bridge case? */
if (!bcmp((caddr_t)ar_sha(ah), LLADDR(ifp->if_sadl),
ifp->if_data.ifi_addrlen)) {
arpstat.as_rcvlocalsha++;
goto out; /* it's from me, ignore it. */
}
/* XXX checks for bridge case? */
if (!bcmp((caddr_t)ar_sha(ah), (caddr_t)ifp->if_broadcastaddr,
ifp->if_data.ifi_addrlen)) {
arpstat.as_rcvbcastsha++;