[src/trunk]: src/sys/netinet6 do not hardcode if_mtu values in here, except f...

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/26e2351583e8
branches:  trunk
changeset: 532232:26e2351583e8
user:      itojun <itojun%NetBSD.org@localhost>
date:      Mon Jun 03 00:51:47 2002 +0000

description:
do not hardcode if_mtu values in here, except for IFT_{ARC,FDDI} -
they need special handling.  makes it possible to take advantage of 9k ether
frames.

diffstat:

 sys/netinet6/nd6.c |  29 +++++++----------------------
 1 files changed, 7 insertions(+), 22 deletions(-)

diffs (64 lines):

diff -r b05d53d50f69 -r 26e2351583e8 sys/netinet6/nd6.c
--- a/sys/netinet6/nd6.c        Mon Jun 03 00:29:04 2002 +0000
+++ b/sys/netinet6/nd6.c        Mon Jun 03 00:51:47 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd6.c,v 1.61 2002/05/30 05:06:29 itojun Exp $  */
+/*     $NetBSD: nd6.c,v 1.62 2002/06/03 00:51:47 itojun Exp $  */
 /*     $KAME: nd6.c,v 1.151 2001/06/19 14:24:41 sumikawa Exp $ */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.61 2002/05/30 05:06:29 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.62 2002/06/03 00:51:47 itojun Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -51,15 +51,12 @@
 #include <net/if.h>
 #include <net/if_dl.h>
 #include <net/if_types.h>
-#include <net/if_atm.h>
-#include <net/if_ieee1394.h>
 #include <net/route.h>
+#include <net/if_ether.h>
+#include <net/if_fddi.h>
+#include <net/if_arc.h>
 
 #include <netinet/in.h>
-#include <net/if_ether.h>
-#include <netinet/if_inarp.h>
-#include <net/if_fddi.h>
-#include <net/if_ieee80211.h>
 #include <netinet6/in6_var.h>
 #include <netinet/ip6.h>
 #include <netinet6/ip6_var.h>
@@ -188,24 +185,12 @@
        omaxmtu = ndi->maxmtu;
 
        switch (ifp->if_type) {
-       case IFT_ARCNET:        /* XXX MTU handling needs more work */
-               ndi->maxmtu = MIN(60480, ifp->if_mtu);
-               break;
-       case IFT_ETHER:
-               ndi->maxmtu = MIN(ETHERMTU, ifp->if_mtu);
+       case IFT_ARCNET:
+               ndi->maxmtu = MIN(ARC_PHDS_MAXMTU, ifp->if_mtu); /* RFC2497 */
                break;
        case IFT_FDDI:
                ndi->maxmtu = MIN(FDDIIPMTU, ifp->if_mtu);
                break;
-       case IFT_ATM:
-               ndi->maxmtu = MIN(ATMMTU, ifp->if_mtu);
-               break;
-       case IFT_IEEE1394:
-               ndi->maxmtu = MIN(IEEE1394MTU, ifp->if_mtu);
-               break;
-       case IFT_IEEE80211:
-               ndi->maxmtu = MIN(IEEE80211_MTU, ifp->if_mtu);
-               break;
        default:
                ndi->maxmtu = ifp->if_mtu;
                break;