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XXX Explicitly make this fail to compile with a proper warning if we 

do not have ARP configured.

This can be caused by configurations including bridge, ppppoe or vlan but
no ethernet interfaces - which does not make sense. We should add a way
to config(8) to issue this kind of warnings.
This commit is contained in:
martin 2002-04-07 07:05:37 +00:00
parent 110c3a2bbf
commit e9e3eb14ae
1 changed files with 10 additions and 2 deletions
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12
sys/net/if_ethersubr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_ethersubr.c,v 1.92 2002/03/05 04:13:00 itojun Exp $ */
/* $NetBSD: if_ethersubr.c,v 1.93 2002/04/07 07:05:37 martin 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 1.92 2002/03/05 04:13:00 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.93 2002/04/07 07:05:37 martin Exp $");
#include "opt_inet.h"
#include "opt_atalk.h"
@ -79,6 +79,7 @@ __KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.92 2002/03/05 04:13:00 itojun Exp
#include "pppoe.h"
#include "bridge.h"
#include "bpfilter.h"
#include "arp.h"
#include <sys/param.h>
#include <sys/systm.h>
@ -101,6 +102,13 @@ __KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.92 2002/03/05 04:13:00 itojun Exp
#include <net/if_dl.h>
#include <net/if_types.h>
#if NARP == 0
/*
* XXX there should realy be a way to issue this warning from within config(8)
*/
#error You have included a pseudo-device in your configuration that depends on the presence of ethernet interfaces, but have no such interfaces configured. Check if you realy need pseudo-device bridge, ppppoe or vlan.
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#endif