From 1665979d2e5ce0eb4858dedb47572346ff1eadef Mon Sep 17 00:00:00 2001 From: dg Date: Tue, 10 Dec 1996 07:29:50 +0000 Subject: 1) Implement SIOCSIFMTU in ether_ioctl(), and change ether_ioctl's return type to be int so that errors can be returned. 2) Use the new SIOCSIFMTU ether_ioctl support in the few drivers that are using ether_ioctl(). 3) In if_fxp.c: treat if_bpf as a token, not as a pointer. Don't bother testing for FXP_NTXSEG being reached in fxp_start()...just check for non-NULL 'm'. Change fxp_ioctl() to use ether_ioctl(). --- sys/net/if_ethersubr.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'sys/net/if_ethersubr.c') 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 @@ -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); } -- cgit v1.1