diff options
Diffstat (limited to 'sys/net/if_loop.c')
| -rw-r--r-- | sys/net/if_loop.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c index 2bbccac..b0f22c8 100644 --- a/sys/net/if_loop.c +++ b/sys/net/if_loop.c @@ -105,6 +105,9 @@ int looutput(struct ifnet *ifp, struct mbuf *m, static int lo_clone_create(struct if_clone *, int, caddr_t); static void lo_clone_destroy(struct ifnet *); static int vnet_loif_iattach(const void *); +#ifdef VIMAGE +static int vnet_loif_idetach(const void *); +#endif #ifdef VIMAGE_GLOBALS struct ifnet *loif; /* Used externally */ @@ -119,7 +122,10 @@ static const vnet_modinfo_t vnet_loif_modinfo = { .vmi_id = VNET_MOD_LOIF, .vmi_dependson = VNET_MOD_IF_CLONE, .vmi_name = "loif", - .vmi_iattach = vnet_loif_iattach + .vmi_iattach = vnet_loif_iattach, +#ifdef VIMAGE + .vmi_idetach = vnet_loif_idetach +#endif }; #endif /* !VIMAGE_GLOBALS */ @@ -128,12 +134,11 @@ IFC_SIMPLE_DECLARE(lo, 1); static void lo_clone_destroy(struct ifnet *ifp) { -#ifdef INVARIANTS - INIT_VNET_NET(ifp->if_vnet); -#endif +#ifndef VIMAGE /* XXX: destroying lo0 will lead to panics. */ KASSERT(V_loif != ifp, ("%s: destroying lo0", __func__)); +#endif bpfdetach(ifp); if_detach(ifp); @@ -166,7 +171,8 @@ lo_clone_create(struct if_clone *ifc, int unit, caddr_t params) return (0); } -static int vnet_loif_iattach(const void *unused __unused) +static int +vnet_loif_iattach(const void *unused __unused) { INIT_VNET_NET(curvnet); @@ -175,7 +181,11 @@ static int vnet_loif_iattach(const void *unused __unused) #ifdef VIMAGE V_lo_cloner = malloc(sizeof(*V_lo_cloner), M_LO_CLONER, M_WAITOK | M_ZERO); + V_lo_cloner_data = malloc(sizeof(*V_lo_cloner_data), M_LO_CLONER, + M_WAITOK | M_ZERO); bcopy(&lo_cloner, V_lo_cloner, sizeof(*V_lo_cloner)); + bcopy(lo_cloner.ifc_data, V_lo_cloner_data, sizeof(*V_lo_cloner_data)); + V_lo_cloner->ifc_data = V_lo_cloner_data; if_clone_attach(V_lo_cloner); #else if_clone_attach(&lo_cloner); @@ -183,6 +193,21 @@ static int vnet_loif_iattach(const void *unused __unused) return (0); } +#ifdef VIMAGE +static int +vnet_loif_idetach(const void *unused __unused) +{ + INIT_VNET_NET(curvnet); + + if_clone_detach(V_lo_cloner); + free(V_lo_cloner, M_LO_CLONER); + free(V_lo_cloner_data, M_LO_CLONER); + V_loif = NULL; + + return (0); +} +#endif + static int loop_modevent(module_t mod, int type, void *data) { |
