/* * Process an ioctl request. */ static int tun_ioctl(struct ifnet *ifp, u_long cmd, void *data) { int error = 0, s; struct tun_softc *tp = (struct tun_softc *)(ifp->if_softc); struct ifreq *ifr = (struct ifreq *)data; struct ifaddr *ifa = (struct ifaddr *)data; s = splnet(); switch (cmd) { case SIOCINITIFADDR: tuninit(tp); ifa->ifa_rtrequest = p2p_rtrequest; TUNDEBUG("%s: address set\n", ifp->if_xname); break; case SIOCSIFBRDADDR: TUNDEBUG("%s: broadcast address set\n", ifp->if_xname); break; case SIOCSIFMTU: if (ifr->ifr_mtu > TUNMTU || ifr->ifr_mtu < 576) { error = EINVAL; break; } TUNDEBUG("%s: interface mtu set\n", ifp->if_xname); if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) error = 0; break; case SIOCADDMULTI: case SIOCDELMULTI: if (ifr == NULL) { error = EAFNOSUPPORT; /* XXX */ break; } switch (ifreq_getaddr(cmd, ifr)->sa_family) { #ifdef INET case AF_INET: break; #endif #ifdef INET6 case AF_INET6: break; #endif default: error = EAFNOSUPPORT; break; } break; default: error = ifioctl_common(ifp, cmd, data); } splx(s); return (error); }
/* * Process an ioctl request. */ static int tunifioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct ifreq *ifr = (struct ifreq *)data; struct tun_softc *tp = ifp->if_softc; struct ifstat *ifs; int error = 0, s; s = splimp(); switch(cmd) { case SIOCGIFSTATUS: ifs = (struct ifstat *)data; mtx_lock(&tp->tun_mtx); if (tp->tun_pid) sprintf(ifs->ascii + strlen(ifs->ascii), "\tOpened by PID %d\n", tp->tun_pid); mtx_unlock(&tp->tun_mtx); break; case SIOCSIFADDR: error = tuninit(ifp); TUNDEBUG(ifp, "address set, error=%d\n", error); break; case SIOCSIFDSTADDR: error = tuninit(ifp); TUNDEBUG(ifp, "destination address set, error=%d\n", error); break; case SIOCSIFMTU: ifp->if_mtu = ifr->ifr_mtu; TUNDEBUG(ifp, "mtu set\n"); break; case SIOCSIFFLAGS: case SIOCADDMULTI: case SIOCDELMULTI: break; default: error = EINVAL; } splx(s); return (error); }