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Implement ether_ioctl(), ioctl operations common to all Ethernet

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interfaces.
This commit is contained in:
thorpej 2000-10-11 16:53:41 +00:00
parent 7e2259325b
commit fabbb33a60
2 changed files with 97 additions and 3 deletions
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3
sys/net/if_ether.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_ether.h,v 1.19 2000/10/03 23:33:38 thorpej Exp $ */
/* $NetBSD: if_ether.h,v 1.20 2000/10/11 16:53:41 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
@ -161,6 +161,7 @@ extern u_int8_t etherbroadcastaddr[ETHER_ADDR_LEN];
extern u_int8_t ether_ipmulticast_min[ETHER_ADDR_LEN];
extern u_int8_t ether_ipmulticast_max[ETHER_ADDR_LEN];
int ether_ioctl(struct ifnet *, u_long, caddr_t);
int ether_addmulti (struct ifreq *, struct ethercom *);
int ether_delmulti (struct ifreq *, struct ethercom *);
int ether_changeaddr (struct ifreq *, struct ethercom *);

97
sys/net/if_ethersubr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_ethersubr.c,v 1.65 2000/10/04 07:01:52 enami Exp $ */
/* $NetBSD: if_ethersubr.c,v 1.66 2000/10/11 16:53:41 thorpej Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -1063,7 +1063,7 @@ ether_delmulti(struct ifreq *ifr, struct ethercom *ec)
}
/*
* Look up the address in our list.
* Look ur the address in our list.
*/
ETHER_LOOKUP_MULTI(addrlo, addrhi, ec, enm);
if (enm == NULL) {
@ -1090,3 +1090,96 @@ ether_delmulti(struct ifreq *ifr, struct ethercom *ec)
*/
return (ENETRESET);
}
/*
* Common ioctls for Ethernet interfaces. Note, we must be
* called at splnet().
*/
int
ether_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct ethercom *ec = (void *) ifp;
struct ifreq *ifr = (struct ifreq *)data;
struct ifaddr *ifa = (struct ifaddr *)data;
int error = 0;
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
if ((error = (*ifp->if_init)(ifp)) != 0)
break;
arp_ifinit(ifp, ifa);
break;
#endif /* INET */
#ifdef NS
case AF_NS:
{
struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
if (ns_nullhost(*ina))
ina->x_host = *(union ns_host *)
LLADDR(ifp->if_sadl);
else
memcpy(LLADDR(ifp->if_sadl),
ina->x_host.c_host, ifp->if_addrlen);
/* Set new address. */
error = (*ifp->if_init)(ifp);
break;
}
#endif /* NS */
default:
error = (*ifp->if_init)(ifp);
break;
}
break;
case SIOCGIFADDR:
memcpy(((struct sockaddr *)&ifr->ifr_data)->sa_data,
LLADDR(ifp->if_sadl), ETHER_ADDR_LEN);
break;
case SIOCSIFMTU:
if (ifr->ifr_mtu > ETHERMTU)
error = EINVAL;
else
ifp->if_mtu = ifr->ifr_mtu;
break;
case SIOCSIFFLAGS:
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) == IFF_RUNNING) {
/*
* If interface is marked down and it is running,
* then stop and disable it.
*/
(*ifp->if_stop)(ifp, 1);
} else if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) == IFF_UP) {
/*
* If interface is marked up and it is stopped, then
* start it.
*/
error = (*ifp->if_init)(ifp);
} else if ((ifp->if_flags & IFF_UP) != 0) {
/*
* Reset the interface to pick up changes in any other
* flags that affect the hardware state.
*/
error = (*ifp->if_init)(ifp);
}
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
error = (cmd == SIOCADDMULTI) ?
ether_addmulti(ifr, ec) :
ether_delmulti(ifr, ec);
break;
default:
error = ENOTTY;
}
return (error);
}