In <20001207113451.A17353@antioche.lip6.fr>
bouyer@antioche.lip6.fr wrote:

> On Wed, Dec 06, 2000 at 10:09:42PM +0100, Nino Margetic wrote:
> > ifconfig: SIOCSIFMTU: Invalid argument
> > nino kupa:/home/nino >
> > 
> > Any (other? :-) suggestions?

> No, sorry. This works fine with my tlp and epic interface, but also
> fails for the le on my sparc and sun3. So this looks like a le-specific
> problem.  I looked quickly at the code but didn't find anything obvious.

sys/dev/ic/lance.c does not handle SIOCSIFMTU ioctl.
I guess it is easy to add it. (not tested)
Many other drivers do not support the ioctl because
it might be used by few people, I think :-)
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp

--- lance.c.orig	Thu Dec  7 20:31:04 2000
+++ lance.c	Thu Dec  7 20:51:08 2000
@@ -654,6 +654,13 @@
 #endif
 		break;
 
+	case SIOCSIFMTU:
+		if (ifr->ifr_mtu > ETHERMTU)
+			error = EINVAL;
+		else
+			ifp->if_mtu = ifr->ifr_mtu;
+		break;
+
 	case SIOCADDMULTI:
 	case SIOCDELMULTI:
 		error = (cmd == SIOCADDMULTI) ?