diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2007-05-17 09:30:55 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2007-05-17 09:30:55 +0000 |
| commit | c67ab8b75a8aa23cd1ee0da8fb6753766c427834 (patch) | |
| tree | d46050c6755b36e902210da530520ae36d5ea00f | |
| parent | ff635519255cb2b42ffeffe4bbc3ac3b808aa9fc (diff) | |
support changing the mtu up to the maximum frame size it currently
supports (MCLBYTES).
| -rw-r--r-- | sys/dev/pci/if_tht.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/pci/if_tht.c b/sys/dev/pci/if_tht.c index 331bb309667..bba5a9ce191 100644 --- a/sys/dev/pci/if_tht.c +++ b/sys/dev/pci/if_tht.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tht.c,v 1.100 2007/05/16 09:27:44 dlg Exp $ */ +/* $OpenBSD: if_tht.c,v 1.101 2007/05/17 09:30:54 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -784,7 +784,7 @@ tht_attach(struct device *parent, struct device *self, void *aux) ifp->if_ioctl = tht_ioctl; ifp->if_start = tht_start; ifp->if_watchdog = tht_watchdog; - ifp->if_hardmtu = 1500; /* XXX */ + ifp->if_hardmtu = MCLBYTES - ETHER_HDR_LEN - ETHER_CRC_LEN; /* XXX */ strlcpy(ifp->if_xname, DEVNAME(sc), IFNAMSIZ); IFQ_SET_MAXLEN(&ifp->if_snd, 400); IFQ_SET_READY(&ifp->if_snd); @@ -895,6 +895,13 @@ tht_ioctl(struct ifnet *ifp, u_long cmd, caddr_t addr) } break; + case SIOCSIFMTU: + if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ifp->if_hardmtu) + error = EINVAL; + else + ifp->if_mtu = ifr->ifr_mtu; + break; + case SIOCADDMULTI: error = ether_addmulti(ifr, &sc->sc_ac); break; |