static errno_t
utun_ctl_disconnect(
__unused kern_ctl_ref kctlref,
__unused u_int32_t unit,
void *unitinfo)
{
struct utun_pcb *pcb = unitinfo;
ifnet_t ifp = pcb->utun_ifp;
errno_t result = 0;
utun_cleanup_crypto(pcb);
pcb->utun_ctlref = NULL;
pcb->utun_unit = 0;
/*
* We want to do everything in our power to ensure that the interface
* really goes away when the socket is closed. We must remove IP/IPv6
* addresses and detach the protocols. Finally, we can remove and
* release the interface.
*/
utun_cleanup_family(ifp, AF_INET);
utun_cleanup_family(ifp, AF_INET6);
if ((result = ifnet_detach(ifp)) != 0) {
printf("utun_ctl_disconnect - ifnet_detach failed: %d\n", result);
}
if ((result = ifnet_release(ifp)) != 0) {
printf("utun_ctl_disconnect - ifnet_release failed: %d\n", result);
}
return 0;
}
static errno_t
utun_ctl_disconnect(
__unused kern_ctl_ref kctlref,
__unused u_int32_t unit,
void *unitinfo)
{
struct utun_pcb *pcb = unitinfo;
ifnet_t ifp = NULL;
errno_t result = 0;
if (pcb == NULL)
return EINVAL;
ifp = pcb->utun_ifp;
VERIFY(ifp != NULL);
pcb->utun_ctlref = NULL;
pcb->utun_unit = 0;
/*
* We want to do everything in our power to ensure that the interface
* really goes away when the socket is closed. We must remove IP/IPv6
* addresses and detach the protocols. Finally, we can remove and
* release the interface.
*/
utun_cleanup_family(ifp, AF_INET);
utun_cleanup_family(ifp, AF_INET6);
/*
* Detach now; utun_detach() will be called asynchronously once
* the I/O reference count drops to 0. There we will invoke
* ifnet_release().
*/
if ((result = ifnet_detach(ifp)) != 0) {
printf("utun_ctl_disconnect - ifnet_detach failed: %d\n", result);
}
return 0;
}
