diff options
Diffstat (limited to 'sys/net/if_loop.c')
| -rw-r--r-- | sys/net/if_loop.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c index a48ab8c14032..d10d8590cda2 100644 --- a/sys/net/if_loop.c +++ b/sys/net/if_loop.c @@ -93,7 +93,7 @@ #define LONAME "lo" struct lo_softc { - struct ifnet sc_if; /* network-visible interface */ + struct ifnet *sc_ifp; LIST_ENTRY(lo_softc) sc_next; }; @@ -129,6 +129,7 @@ lo_clone_destroy(ifp) mtx_unlock(&lo_mtx); bpfdetach(ifp); if_detach(ifp); + if_free(ifp); free(sc, M_LO); } @@ -137,25 +138,30 @@ lo_clone_create(ifc, unit) struct if_clone *ifc; int unit; { + struct ifnet *ifp; struct lo_softc *sc; MALLOC(sc, struct lo_softc *, sizeof(*sc), M_LO, M_WAITOK | M_ZERO); + ifp = sc->sc_ifp = if_alloc(IFT_LOOP); + if (ifp == NULL) { + free(sc, M_LO); + return (ENOSPC); + } - if_initname(&sc->sc_if, ifc->ifc_name, unit); - sc->sc_if.if_mtu = LOMTU; - sc->sc_if.if_flags = IFF_LOOPBACK | IFF_MULTICAST; - sc->sc_if.if_ioctl = loioctl; - sc->sc_if.if_output = looutput; - sc->sc_if.if_type = IFT_LOOP; - sc->sc_if.if_snd.ifq_maxlen = ifqmaxlen; - sc->sc_if.if_softc = sc; - if_attach(&sc->sc_if); - bpfattach(&sc->sc_if, DLT_NULL, sizeof(u_int)); + if_initname(ifp, ifc->ifc_name, unit); + ifp->if_mtu = LOMTU; + ifp->if_flags = IFF_LOOPBACK | IFF_MULTICAST; + ifp->if_ioctl = loioctl; + ifp->if_output = looutput; + ifp->if_snd.ifq_maxlen = ifqmaxlen; + ifp->if_softc = sc; + if_attach(ifp); + bpfattach(ifp, DLT_NULL, sizeof(u_int)); mtx_lock(&lo_mtx); LIST_INSERT_HEAD(&lo_list, sc, sc_next); mtx_unlock(&lo_mtx); if (loif == NULL) - loif = &sc->sc_if; + loif = ifp; return (0); } |