diff options
Diffstat (limited to 'sys/net/if.c')
| -rw-r--r-- | sys/net/if.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index c328575bfd26..2dce111ec22c 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -52,6 +52,7 @@ #include <sys/sysctl.h> #include <net/if.h> +#include <net/if_arp.h> #include <net/if_dl.h> #include <net/radix.h> #include <net/route.h> @@ -763,6 +764,8 @@ ifioctl(so, cmd, data, p) { register struct ifnet *ifp; register struct ifreq *ifr; + register struct ifaddr *ifa; + struct sockaddr_dl *sdl; struct ifstat *ifs; int error; short oif_flags; @@ -912,6 +915,33 @@ ifioctl(so, cmd, data, p) return (EOPNOTSUPP); return ((*ifp->if_ioctl)(ifp, cmd, data)); + case SIOCSIFLLADDR: + error = suser(p); + if (error) + return (error); + ifa = ifnet_addrs[ifp->if_index - 1]; + if (ifa == NULL) + return(EINVAL); + sdl = (struct sockaddr_dl *)ifa->ifa_addr; + if (sdl == NULL) + return(EINVAL); + bcopy(ifr->ifr_addr.sa_data, + ((struct arpcom *)ifp->if_softc)->ac_enaddr, + ifr->ifr_addr.sa_len); + bcopy(ifr->ifr_addr.sa_data, LLADDR(sdl), + ifr->ifr_addr.sa_len); + /* + * If the interface is already up, we need + * to re-init it in order to reprogram its + * address filter. + */ + if (ifp->if_flags & IFF_UP) { + ifp->if_flags &= ~IFF_UP; + (*ifp->if_ioctl)(ifp, SIOCSIFFLAGS, NULL); + ifp->if_flags |= IFF_UP; + (*ifp->if_ioctl)(ifp, SIOCSIFFLAGS, NULL); + } + return(0); default: oif_flags = ifp->if_flags; if (so->so_proto == 0) |