diff options
Diffstat (limited to 'sys/net/if_ethersubr.c')
| -rw-r--r-- | sys/net/if_ethersubr.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c index 8ca3e60..bdcdde7 100644 --- a/sys/net/if_ethersubr.c +++ b/sys/net/if_ethersubr.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 - * $Id: if_ethersubr.c,v 1.26 1996/10/18 15:59:25 jkh Exp $ + * $Id: if_ethersubr.c,v 1.27 1996/11/18 04:55:44 davidg Exp $ */ #include <sys/param.h> @@ -848,11 +848,12 @@ ether_delmulti(ifr, ac) SYSCTL_NODE(_net_link, IFT_ETHER, ether, CTLFLAG_RW, 0, "Ethernet"); -void +int ether_ioctl(struct ifnet *ifp, int command, caddr_t data) { struct ifaddr *ifa = (struct ifaddr *) data; struct ifreq *ifr = (struct ifreq *) data; + int error = 0; switch (command) { case SIOCSIFADDR: @@ -931,6 +932,17 @@ ether_ioctl(struct ifnet *ifp, int command, caddr_t data) (caddr_t) sa->sa_data, ETHER_ADDR_LEN); } break; + + case SIOCSIFMTU: + /* + * Set the interface MTU. + */ + if (ifr->ifr_mtu > ETHERMTU) { + error = EINVAL; + } else { + ifp->if_mtu = ifr->ifr_mtu; + } + break; } - return; + return (error); } |
